CN203813451U - Lead-carbon battery-based peak load shifting type power supply system for communication system - Google Patents
Lead-carbon battery-based peak load shifting type power supply system for communication system Download PDFInfo
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Abstract
The utility model discloses a lead-carbon battery-based peak load shifting type power supply system for a communication system, which comprises a high-frequency switch power supply module, a DC power supply module, a monitoring control module and a power supply switching buffer module. The on-off control over both the terminal voltage of communication equipment and the DC power supply module is respectively realized by means of the high-frequency switch power supply module. The DC power supply module is configured to receive the power supply so as to charge a lead-carbon battery in a floating charge manner and power up the communication equipment. The monitoring control module is configured to start up the power supply switching buffer module during the AC power failure process, and is also configured to control the DC power supply module to supply power at the same time. During the AC power supply process, the monitoring control module is configured to control the high-frequency switch power supply module to supply power and control the DC power supply module to charge the lead-carbon battery in an online/offline floating charge manner based on the judgment that whether the floating charging voltage of the DC power supply module is larger than the upper-limit voltage of the communication equipment or not. The power supply switching buffer module is configured to supply power instantaneously during the AC power failure process. According to the technical scheme of the utility model, the problem in the prior art that the stability of an existing peak load shifting type power supply system needs to be improved can be solved.
Description
Technical field
The utility model relates to power technique fields, specifically, relates to a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting.
Background technology
For a long time, electrical network electricity consumption imbalance, supply falls short of demand in electricity consumption on daytime, and electric company frequently occurs user's phenomenon of rationing the power supply, and supply exceed demand in electricity consumption at night, both electrical network caused to potential safety hazard, causes again energy waste.Especially for communication system, very high to power reguirements, if there is the phenomenon of rationing the power supply, will cause communication paralysis on a large scale.Therefore just need to electrical network peak load shifting, reduce network load.
Peak load shifting, refers in the continual electric power system of power consumption equipment requirement continued power, and as communications equipment room, supply load continues in immovable situation, reduces power supply peak electricity consumption, increases power supply valley power consumption.
People once imagined with storage battery and realized peak load shifting, and a kind of mode is to utilize lithium battery as energy storage device, still, under prior art condition, due to physics and the chemical characteristic of lithium battery, be difficult to be made into jumbo rechargeable battery, be unfavorable for electric power system stable power-supplying; Another kind of mode is to utilize common lead-acid battery to power in electric power system as energy storage device, and still, also all kinds of corrupt practices creep in for common lead-acid battery, as: excide battery volume is large, unit energy weight ratio is large, and high-temperature stability is poor, and high temperature season needs air conditioner refrigerating support, thereby cause construction cost large, simultaneously because common plumbic acid battery charging and discharging cycle life is short, conventionally discharge and recharge to follow and be no more than 500 times, use that to discharge and recharge the working method life-span short, need frequent replacing, do not possess practicality.
Especially in the electric power system of current peak load shifting formula, time interval when alternating current (also can be described as civil power) carries out power switching with batteries is longer, conventionally be greater than 15ms (millisecond), in the time of power switching, make communication equipment enter the empty window phase of electric energy, and then cause the communication system blocking-up high to power reguirements.
Therefore, how to improve the stability in the electric power system of existing peak load shifting formula, just become technical problem urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting, to solve the problem of the stability in the electric power system that improves existing peak load shifting formula.
For solving the problems of the technologies described above, the utility model provides a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting, incoming transport electricity also couples mutually with communication equipment, this electric power system comprises: high-frequency switching power supply module, direct current supply module, Monitoring and Controlling module and power switching buffer module, wherein
Described high-frequency switching power supply module, couple mutually with described alternating current, direct current supply module, Monitoring and Controlling module, power switching buffer module and communication equipment respectively, for described alternating current is sent to described power switching buffer module, and according to the power supplying control signal receiving from described Monitoring and Controlling module, respectively to being sent to the terminal voltage of described communication equipment and the described alternating current of described direct current supply module carries out switch control;
Described direct current supply module, couple mutually with described high-frequency switching power supply module, Monitoring and Controlling module and communication equipment respectively, for receiving power supply, the plumbous carbon storage battery of this direct current supply module is carried out to float type charging, be described communication equipment power supply according to the described power supplying control signal receiving from described Monitoring and Controlling module, and receive after the electric quantity monitoring signal that described Monitoring and Controlling module sends electric quantity data Real-time Feedback to described Monitoring and Controlling module;
Described Monitoring and Controlling module, couple mutually with described high-frequency switching power supply module, direct current supply module for power supply switching buffer module and alternating current respectively, for the power supply state of alternating current described in Real-Time Monitoring, in the time of described AC outage, start described power switching buffer module, described direct current supply module is carried out to control of discharge simultaneously; In the time of described AC-powered, described power supplying control signal is sent to described high-frequency switching power supply module described communication equipment is carried out to power supply control, and be not more than described communication equipment upper voltage limit according to the float charge voltage that described electric quantity data is monitored described direct current supply module, control the online floating charge of described direct current supply module, described float charge voltage is greater than described communication equipment upper voltage limit, controls described direct current supply module off-line charging;
Described power switching buffer module, couple mutually with described high-frequency switching power supply module, Monitoring and Controlling module and communication equipment respectively, charge for the electric energy that receives described high-frequency switching power supply module and provide, and the control that receives described Monitoring and Controlling module in the time of described AC outage is carried out instantaneous power supply to described communication equipment.
Wherein, preferably, described Monitoring and Controlling module, further comprises: monitoring unit and on-off control unit, wherein,
Described monitoring unit, couple mutually with described alternating current, direct current supply module and on-off control unit respectively, generate alternating current status data for the power supply state of alternating current described in Real-Time Monitoring and be sent to described on-off control unit, and generate described electric quantity monitoring signal and be sent to described direct current supply module, the described electric quantity data that receives this direct current supply module Real-time Feedback is sent to described on-off control unit;
Described on-off control unit, couple mutually with monitoring unit, described high-frequency switching power supply module, direct current supply module and power switching buffer module respectively, for the described alternating current status data receiving according to described monitoring unit, in the time of described AC outage, generate emergency service signal and be sent to described power switching buffer module, generate described power supplying control signal by conducting between described direct current supply module and described communication equipment, controlling described direct current supply module is described communication equipment electric discharge simultaneously; In the time of described AC-powered, to between described direct current supply module and described communication equipment, open circuit by described power supplying control signal, described power supplying control signal is sent to described high-frequency switching power supply module simultaneously and carries out the power supply control for described communication equipment, and be not more than described communication equipment upper voltage limit according to the float charge voltage that described electric quantity data is monitored described direct current supply module, control the online floating charge of described direct current supply module, described float charge voltage is greater than described communication equipment upper voltage limit, controls described direct current supply module off-line charging.
Wherein, preferably, between described direct current supply module and described communication equipment, be provided with can control connection relay and switching device.
Wherein, preferably, described on-off control unit, is further used for generating described power supplying control signal and is sent to described switching device conducting, then by described relay conducting, controlling described direct current supply module is described communication equipment electric discharge.
Wherein, preferably, described switching device, the further switching device for being formed by silicon controlled rectifier.
Wherein, preferably, described power switching buffer module, further the power switching buffer module for being formed by capacitor; The duration that when this condenser capacity keeps AC outage, described communication equipment is carried out to instantaneous power supply is 15 milliseconds.
Wherein, preferably, described high-frequency switching power supply module, further comprises: high frequency charhing unit and high frequency power supply unit, wherein,
Described high frequency charhing unit, couple mutually with described alternating current, direct current supply module, Monitoring and Controlling module and high frequency power supply unit respectively, for according to the power supplying control signal receiving from described Monitoring and Controlling module being described direct current supply module charging, after the charging of described direct current supply module, disconnect and being connected of described alternating current, after described direct current supply module discharge off, again accessing described alternating current is that described direct current supply module is charged;
Described high frequency power supply unit, couple mutually with described alternating current, Monitoring and Controlling module, power switching buffer module, high frequency charhing unit and communication equipment respectively, for the electric energy of the described alternating current of access is sent to described power switching buffer module, and be described communication equipment power supply according to the power supplying control signal receiving from described Monitoring and Controlling module.
Wherein, preferably, described high-frequency switching power supply module further comprises: charging module group and supply module group, and this charging module group and supply module group are made up of at least two rectification modules respectively, wherein,
In charging process, voltage is not more than on described communication equipment in limited time, and described charging module group and supply module group are carried out floating charge to described plumbous carbon storage battery simultaneously; In charging process, voltage is greater than on described communication equipment in limited time, and described charging module group is to described plumbous carbon charge in batteries, and described supply module group is powered to described communication equipment.
Wherein, preferably, described direct current supply module, the direct current supply module of the plumbous carbon batteries composition of further serving as reasons.
Wherein, preferably, described Monitoring and Controlling module, further for having the Monitoring and Controlling module of control chip.
Compared with prior art, a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting described in the utility model, has reached following effect:
1) the utility model, by utilizing the energy storage device of jumbo plumbous carbon battery as electric power system, can effectively increase charge capacity, for electric power system provides sufficient electric power supply; And the number of times that discharges and recharges of the plumbous carbon battery adopting due to electric power system described in the utility model is the more than 4 times of existing excide battery, and cycle period is long, has extended the useful life of system batteries; In electric power system, be provided with corresponding power switching buffer cell, the empty window phase of power supply that can be in the time of power switching be communication equipment power supply, efficiently solves unstable in existing peak load shifting electric power system and carries out the long problem of the time interval of power switching.
2) the utility model simultaneously automatically timesharing implement different work and control mode, when charge in batteries voltage is during higher than communication system upper voltage limit, the automatic off-line charging of storage battery, and in the time that alternating current (being called civil power in subsequent embodiment) has a power failure storage battery automatically access power, thereby further realized the power supply of the peak load shifting mode of electrical network.
3) the utility model is because its plumbous carbon battery utilizing is high temperature resistant battery, can significantly improve the temperature that the machine room of powering in electric power system is set, thereby reduce air-conditioning power consumption, reduce operating cost, and reduce the potential safety hazard of electrical network, and reach effects of energy saving and emission reduction, save electricity cost.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart that utilizes plumbous carbon battery to implement the electric power system of communication system peak load shifting described in the utility model embodiment mono-.
Fig. 2 is a kind of structured flowchart that utilizes plumbous carbon battery to implement the electric power system of communication system peak load shifting described in the utility model embodiment bis-.
Fig. 3 utilizes electric power system that plumbous carbon battery implements communication system peak load shifting circuit structure diagram in actual applications described in the utility model embodiment.
Embodiment
Censure specific components as used some vocabulary in the middle of specification and claim.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and electric property coupling means indirectly at this.Therefore, be coupled to one second device if describe a first device in literary composition, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing preferred embodiments of the present utility model, and right described description is to illustrate that rule of the present utility model is object, not in order to limit scope of the present utility model.Protection range of the present utility model is when being as the criterion depending on the claims person of defining.
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment mono-
As shown in Figure 1, be a kind of electric power system 10 of utilizing plumbous carbon battery to implement communication system peak load shifting described in the utility model embodiment mono-, access civil power also couples mutually with communication equipment 30; Wherein, the power supply that described communication equipment 30 receives described electric power system 10 communicates work.
Particularly, described electric power system 10 comprises: high-frequency switching power supply module 101, direct current supply module 102, Monitoring and Controlling module 103 and power switching buffer module 104; Wherein,
Described high-frequency switching power supply module 101, couple mutually with described civil power, direct current supply module 102, Monitoring and Controlling module 103, power switching buffer module 104 and communication equipment 30 respectively, for the electric energy of the described civil power of access is sent to described power switching buffer module 104, and according to the power supplying control signal receiving from described Monitoring and Controlling module 103, respectively the electric energy of the described civil power that is sent to described communication equipment 30 and described direct current supply module 102 is carried out to switch control.
High-frequency switching power supply module 101, it can be the AC power circuit with rectification circuit, after rectification circuit is adjusted the AC amplitude rectification of the civil power of outside access, form direct current (comprising: Rectified alternating current), wherein, rectification circuit can be half-wave rectifying circuit, full-wave rectifying circuit or bridge rectifier etc., does not do concrete restriction here.Certainly the galvanic voltage that, high-frequency switching power supply module 101 is exported is no more than the maximum voltage value that in circuit, each electric elements can bear and is advisable.
Described direct current supply module 102, couple mutually with described high-frequency switching power supply module 101, Monitoring and Controlling module 103 and communication equipment 30 respectively, the electric energy that being used for receiving described high-frequency switching power supply module 101 provides carries out float type charging to the plumbous carbon storage battery of described direct current supply module 102, be that described communication equipment 30 is powered according to the described power supplying control signal receiving from described Monitoring and Controlling module 103, and receive after the electric quantity monitoring signal that described Monitoring and Controlling module 103 sends electric quantity data Real-time Feedback to described Monitoring and Controlling module 103.
Described Monitoring and Controlling module 103, couple mutually with described high-frequency switching power supply module 101, direct current supply module 102 power switching buffer modules 104 and civil power respectively, for the power supply state of civil power described in Real-Time Monitoring, in the time of described mains failure, emergency service signal is sent to described power switching buffer module 104, more described power supplying control signal is sent to described direct current supply module 102 carries out control of discharge; In the time of described mains-supplied, described power supplying control signal is sent to the power supply control that described high-frequency switching power supply module 101 carries out for described communication equipment 30, and described electric quantity monitoring signal is sent to described direct current supply module 102, according to the described electric quantity data of these direct current supply module 102 Real-time Feedbacks, described high-frequency switching power supply module 101 is carried out to the charging control for described direct current supply module 102.Wherein, the process of the charging control of described Monitoring and Controlling module 103 to described direct current supply module 102 is: the float charge voltage that described Monitoring and Controlling module 103 is monitored described direct current supply module 102 according to described electric quantity data is not more than described communication equipment 30 upper voltage limits, control the online floating charge of described direct current supply module 102, described float charge voltage is greater than described communication equipment 30 upper voltage limits, controls described direct current supply module 102 off-line chargings.
This be because, in the time of alternating current normal power supply, described high-frequency switching power supply module 101 and direct current supply module 102 are worked simultaneously, for described communication equipment 30 is powered, therefore may cause supply power voltage to be greater than the upper voltage limit of described communication equipment 30, and then damage described communication equipment 30, so, described Monitoring and Controlling module 103 is by the electric quantity data of direct current supply module 102 described in Real-Time Monitoring, in the time that the float charge voltage reflecting in electric quantity data is greater than the upper voltage limit of communication equipment 30, direct current supply module 102 and communication equipment 30 are departed to (being off-line).
In the present embodiment, Monitoring and Controlling module 103 needs in real time the state of civil power to be monitored, be because: civil power is due to large-scale power supply, may there is the power consumption power failure phenomenon of the excessive utmost point short time (Millisecond) causing, for domestic consumer, the power failure phenomenon of utmost point short time can not cause the fault of household electrical appliances or other electricity consumption devices, but for the high network communication equipment of power reguirements, even the power failure phenomenon of utmost point short time, also can cause the machine of closing down or delay of network communication equipment, the serious damage that may cause described network communication equipment, further cause the interruption of network service.Therefore, Monitoring and Controlling module 103 will be carried out Real-Time Monitoring (monitoring mode that can adopt can be: according to preset time sampling, can also be other modes certainly, this not made to concrete restriction) to civil power.Here it should be noted that, high-frequency switching power supply module 101 after over commutation is processed, can't change the transmission characteristic of described civil power by civil power, if the i.e. power failure phenomenon of described civil power generation utmost point short time, so, power supply just there will be the power failure phenomenon of utmost point short time.In the present embodiment, Monitoring and Controlling module 103, can be specifically the Monitoring and Controlling module with control chip.
Described power switching buffer module 104, couple mutually with described high-frequency switching power supply module 101, Monitoring and Controlling module 103 and communication equipment 30 respectively, charge for the electric energy that receives described high-frequency switching power supply module 101 and provide, and in the time of described mains failure, receive the emergency service signal that described Monitoring and Controlling module 103 sends described communication equipment 30 is carried out to instantaneous power supply.
Due to the existence of described power switching buffer module 104, make in the time of mains failure, during described direct current supply module 102 starts and is empty window phase of producing while powering of described communication equipment 30, described communication equipment 30 still has electric power supply, thereby there will not be the stoppage in transit of the communication equipment 30 causing because of the empty window phase of the powering machine of delaying.
Embodiment bis-
As shown in Figure 2, for a kind of electric power system 20 of utilizing plumbous carbon battery to implement communication system peak load shifting described in the utility model embodiment mono-, access civil power also couples mutually with communication equipment 30, and this electric power system 20 comprises: high-frequency switching power supply module 201, direct current supply module 202, Monitoring and Controlling module 203 and power switching buffer module 204; Wherein,
Described high-frequency switching power supply module 201, couple mutually with described civil power, direct current supply module 202, Monitoring and Controlling module 203, power switching buffer module 204 and communication equipment 30 respectively, for the electric energy of the described civil power of access is sent to described power switching buffer module 204, and according to the power supplying control signal receiving from described Monitoring and Controlling module 203, respectively the electric energy of the described civil power that is sent to described communication equipment 30 and described direct current supply module 202 is carried out to switch control.
Particularly, high-frequency switching power supply module 201, comprising: high frequency charhing unit 2011 and high frequency power supply unit 2012, wherein,
Described high frequency charhing unit 2011, couple mutually with described civil power, direct current supply module 202, Monitoring and Controlling module 203 and high frequency power supply unit 2012 respectively, the power supplying control signal receiving from described Monitoring and Controlling module 203 for basis is that described direct current supply module 202 is charged, after 202 chargings of described direct current supply module, disconnect and being connected of described civil power, after described direct current supply module 202 discharge offs, again accessing described civil power is that described direct current supply module 202 is charged.
Described high frequency power supply unit 2012, couple mutually with described civil power, Monitoring and Controlling module 203, power switching buffer module 204, high frequency charhing unit 2011 and communication equipment 30 respectively, for the electric energy of the described civil power of access is sent to described power switching buffer module 204, and be that described communication equipment 30 is powered according to the power supplying control signal receiving from described Monitoring and Controlling module 203.
Described direct current supply module 202, couple mutually with described high-frequency switching power supply module 201, Monitoring and Controlling module 203 and communication equipment 30 respectively, the electric energy that being used for receiving described high-frequency switching power supply module 201 provides carries out float type charging to the plumbous carbon storage battery of described direct current supply module 202, be that described communication equipment 30 is powered according to the described power supplying control signal receiving from described Monitoring and Controlling module 203, and receive after the electric quantity monitoring signal that described Monitoring and Controlling module 203 sends electric quantity data Real-time Feedback to described Monitoring and Controlling module 203.
In the present embodiment, direct current supply module 202, the direct current supply module of the plumbous carbon batteries composition of can serving as reasons.
Described Monitoring and Controlling module 203, couple mutually with described high-frequency switching power supply module 201, direct current supply module 202 power switching buffer modules 204 and civil power, for the power supply state of civil power described in Real-Time Monitoring, in the time of described mains failure, emergency service signal is sent to described power switching buffer module 204, more described power supplying control signal is sent to described direct current supply module 202 carries out control of discharge; In the time of described mains-supplied, described power supplying control signal is sent to the power supply control that described high-frequency switching power supply module 201 carries out for described communication equipment 30, and described electric quantity monitoring signal is sent to described direct current supply module 202, according to the described electric quantity data of these direct current supply module 202 Real-time Feedbacks, described high-frequency switching power supply module 201 is carried out to the charging control for described direct current supply module 202.
Particularly, Monitoring and Controlling module 203, comprising: monitoring unit 2031 and on-off control unit 2032, wherein,
Described monitoring unit 2031, couple mutually with described civil power, direct current supply module 202 and on-off control unit 2032 respectively, generate civil power status data for the power supply state of civil power described in Real-Time Monitoring and be sent to described on-off control unit 2032, and generate described electric quantity monitoring signal and be sent to described direct current supply module 202, the described electric quantity data that receives these direct current supply module 202 Real-time Feedbacks is sent to described on-off control unit 2032;
Described on-off control unit 2032, couple mutually with monitoring unit 2031, described high-frequency switching power supply module 201, direct current supply module 202 and power switching buffer module 204 respectively, for the described civil power status data sending according to described monitoring unit 2031, in the time of described mains failure, generate emergency service signal and be sent to described power switching buffer module 204, and generate described power supplying control signal by conducting between described direct current supply module 202 and described communication equipment 30, control described direct current supply module 202 and discharge for described communication equipment 30, in the time of described mains-supplied, to between described direct current supply module 202 and described communication equipment 30, open circuit by described power supplying control signal, described power supplying control signal is sent to the power supply control that described high-frequency switching power supply module 201 carries out for described communication equipment 30 simultaneously, and receive described electric quantity data described high-frequency switching power supply module 201 is carried out to the charging control for described direct current supply module 202, the float charge voltage that to be described on-off control unit 2032 monitor described direct current supply module 102 according to described electric quantity data is not more than the upper voltage limit of described communication equipment 30, control the online floating charge of described direct current supply module 102, described float charge voltage is greater than the upper voltage limit of described communication equipment 30, control described direct current supply module 102 off-line chargings.
Particularly, in the present embodiment, between described direct current supply module 202 and described communication equipment 30, be provided with the relay and the switching device that are connected in parallel.Thereby on-off control unit 2032, is sent to after described switching device conducting specifically for generating described power supplying control signal, then by described relay conducting, controls described direct current supply module 202 and discharge for described communication equipment 30.
Wherein, described switching device, is specially the switching device being made up of silicon controlled rectifier, and certainly, above-mentioned switching device is not limited to this.
Described power switching buffer module 204, couple mutually with described high-frequency switching power supply module 201, Monitoring and Controlling module 203 and communication equipment 30 respectively, charge for the electric energy that receives described high-frequency switching power supply module 201 and provide, and in the time of described mains failure, receive the emergency service signal that described Monitoring and Controlling module 203 sends described communication equipment 30 is carried out to instantaneous power supply.
As a kind of optimal way of the present embodiment, power switching buffer module 204, is specially the power switching buffer module being made up of capacitor; Wherein, to receive the duration that emergency service signal that described Monitoring and Controlling module 203 sends carries out instantaneous power supply to described communication equipment 30 be 15 milliseconds to this power switching buffer module 204.And in the present embodiment, the startup of the direct current supply module 202 being made up of plumbous carbon batteries is consuming time is 10 milliseconds, that is to say, communication equipment 30, at the interim electric power supply that has enough durations of the empty window of power supply, there will not be the machine of delaying of stopping transport.
Embodiment tri-
For the high-frequency switching power supply module 101/201 in above-described embodiment one and two, under a kind of mode in actual applications, formed by least two rectification modules, specifically, high-frequency switching power supply module can be by two groups of rectification modules: G group (power supply guarantee group, comprise at least two described rectification modules) and C group (charging guarantee group, comprises at least two described rectification modules) formation, the concrete course of work is as follows:
First, high-frequency switching power supply module 101/201 accesses outside civil power, is also described plumbous carbon battery charging for communication equipment 30 when providing electric energy; Meanwhile, the charged state of the output voltage values of Monitoring and Controlling module 103/203 Real-Time Monitoring rectification module and current value and plumbous carbon batteries.
Afterwards, when plumbous carbon batteries is full of after electricity, Monitoring and Controlling module 103/203 is controlled C in high-frequency switching power supply module 101/201 group and is disconnected and being connected of outside civil power, with low-voltage no-load running, (output voltage of G group is less than the output voltage of plumbous carbon batteries to G group, but higher than the operating voltage of communication equipment 30), now plumbous carbon batteries is discharged, for described communication equipment 30 is powered.
Then, after plumbous carbon batteries electric discharge finishes, Monitoring and Controlling module 103/203 is controlled all float charge voltage work (rectification module in C group accesses described outside civil power again, is plumbous carbon battery charging) to set of rectification module in the C group in high-frequency switching power supply module 101/201.
Embodiment tetra-
Below in conjunction with Fig. 3, the concrete application that utilizes plumbous carbon battery to implement the electric power system 20 of communication system peak load shifting described in embodiment bis-is described in detail.
As shown in Figure 3, the electric power system 20 of the plumbous carbon battery enforcement of utilization described in the utility model communication system peak load shifting can be realized by circuit structure in figure.Wherein,
High-frequency switching power supply module 201 forms by organizing rectification module more: the guarantee group of powering (G group is designated GDMK in figure) and charging guarantee group (C group is designated CDMK in figure); Direct current supply module 202 is made up of plumbous carbon batteries; Monitoring and Controlling module 203 comprises civil power detecting unit and control module; Power switching buffer module 204 is specially capacitor CD; In addition, between direct current supply module 202 and communication equipment 30, be provided with relay J D and controllable silicon KG, after this relay J D is in parallel with controllable silicon KG, between access direct current supply module 202 and communication equipment 30.
Particularly:
Described high-frequency switching power supply module 201 forms (value of N is definite divided by individual module rated current by total current, and total current is calculated according to 0.25C charging current+load current) by N+2 rectification module, and is divided into two groups: G group and C group.
Described direct current supply module 102 is made up of plumbous carbon batteries, and with monomer voltage, 2v/ only calculates, and direct current 48V electric power system adopts 24 joints to be composed in series; Direct current 240V electric power system adopts 120 joints to be composed in series; Plumbous carbon batteries can be installed one or more groups, and total capacity, according to load current value peak, the full electric discharge of section at ordinary times, is not less than calculating in 16 hours; Or the peak period discharges, section is not filled and do not put at ordinary times, is not less than calculating in 8 hours.
The control chip that described Monitoring and Controlling module 203 is RS485 by model forms, and bus is connected with described rectification module, completes the functions such as module current-sharing, charging current limiter, timing discharge and recharge, fault alarm; Adopt RS232 interface, be connected with described Surveillance center (not shown, can adjust according to the needs of practical application, also can corresponding data be set at control chip, thereby be not connected with Surveillance center, do not form restriction of the present utility model).
Specific works process is as follows:
Described electric power system can be designed as two time periods of every natural gift and carries out powered operation, and in the very first time Duan Weigu electricity stage, system is floating charge operating state; The second time period was the non-paddy electricity stage, and system is electric discharge operating state.Each cycle period is 24 hours.If 0 o'clock to 8 o'clock is floating charge operating state, be discharge condition (can arrange flexibly according to the peak valley situation of local power supply department) 8 o'clock to 24 o'clock every day.
Adopt direct current 48V electric power system, output current 45A as normal in load; Described plumbous carbon storage battery adopts 24 joints to be composed in series, and average voltage 2V calculates by electric discharge for 16 hours, selects two groups of 500AH, float charge voltage 54V, and electric discharge ends and gets 45V, described overall system capacity configuration 1000AH.Rectification module total capacity is pressed 0.25C charging current loading Current calculation, and rectification module configuration adopts N+2 configuration, configures altogether 8 of 48V/50A rectification modules; When described electric power system operation, automatically selecting 2 modules is G group, and 6 modules are C group; The all work of charging period C group; Electric discharge automatic Close All of period.
In the time that charging voltage rises to the upper voltage limit of communication system, be that 48V system is while being 56V, control module receives batteries signal, control immediately C group rectification module transient voltage and organize rectification module lower than G, discharge JG and KG simultaneously, the charging of batteries off-line, charging module group is only charged separately to batteries with monomer voltage 2.45V/; Floating charge module group is powered separately to communication system.
During floating charge module is powered separately to communication system, there is mains failure, civil power detecting unit receives this signal, start immediately KG and JD, system will be powered batteries access communication system in 10 milliseconds, supply module output loop capacitor CD is arranged to maintain 15 milliseconds, so communication equipment power supply is normal in handoff procedure.
When charging setup times arrives, storage battery does not reach charging end of a period condition, and system does not proceed to discharge condition, continues charging, sends critical alarm simultaneously, notifies attendant check processing; When charging setup times arrives, storage battery reaches charging end of a period condition, and system enters electric discharge operating state automatically; In discharge process, when electric discharge setup times does not arrive, storage battery reaches electric discharge end of a period condition in advance, and system returns to 54V by rectifier float charge voltage automatically, enters floating charge state, sends critical alarm simultaneously, notifies attendant check processing; When system voltage in discharge process changes in predetermined normal range (NR), electric discharge setup times arrives, and float charge voltage returns to 56V, and charging module group is moved automatically simultaneously, system will proceed to floating charge state automatically, power supply group list supplies and charging group is singly filled state, enter next round circulation.
In addition, described electric power system can realize multiple warning function:
1, general alarm
Working method conversion is reported to the police: arranging in the timing working state time period, timing time does not arrive, and operating state conversion has occurred, but system output voltage is in safe range: 48V system is not less than 47V, 240V system is not less than 235V;
Module failure is reported to the police: during floating charge, arbitrary module failure, can not normally export.
2, emergency alarm:
Brownout report to the police: system output voltage 48V system lower than 46.5V, 240V system lower than 230V;
Have a power failure and report to the police: in timing charging interval section (floating charge operating state), mains failure occurs;
Discharge voltage abnormal alarm: in the timing discharging time period, (the last week is with the time period mean value contrast) of voltage drop trend anomaly occurs;
Discharging current abnormal alarm: in the timing discharging time period, (the last week is with the time period mean value contrast) of curent change trend anomaly occurs;
Abnormal conversion is reported to the police: timing working time does not arrive, and operating state conversion has occurred, and system output voltage is abnormal: 48V system lower than 47V, 240V system lower than 235V;
Charging current abnormal alarm: at the charging initial stage, charging current does not reach cut-off current;
Charging voltage abnormal alarm: charging voltage exceedes set point 5%;
Charging capacity abnormal alarm: charging timing time arrives, does not reach charging end of a period standard;
Discharge capacity abnormal alarm: do not arrive the end of a period of arrival system in advance voltage when discharge gage;
Multimode fault alarm: during floating charge, 2 only reach above module failure, can not normally export.
Compared with prior art, a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting described in the utility model, has reached following effect:
1) the utility model, by utilizing the energy storage device of jumbo plumbous carbon battery as electric power system, can effectively increase charge capacity, for electric power system provides sufficient electric power supply; And the number of times that discharges and recharges of the plumbous carbon battery adopting due to electric power system described in the utility model is the more than 4 times of existing excide battery, and cycle period is long, has extended the useful life of system batteries; In electric power system, be provided with corresponding power switching buffer cell, the empty window phase of power supply that can be in the time of power switching be communication equipment power supply, efficiently solves unstable in existing peak load shifting electric power system and carries out the long problem of the time interval of power switching.
2) the utility model simultaneously automatically timesharing implement different work and control mode, when charge in batteries voltage is during higher than communication system upper voltage limit, the automatic off-line charging of storage battery, and in the time that alternating current (being called civil power in subsequent embodiment) has a power failure storage battery automatically access power, thereby further realized the power supply of the peak load shifting mode of electrical network.
3) the utility model is because its plumbous carbon battery utilizing is high temperature resistant battery, can significantly improve the temperature that the machine room of powering in electric power system is set, thereby reduce air-conditioning power consumption, reduce operating cost, and reduce the potential safety hazard of electrical network, and reach effects of energy saving and emission reduction, save electricity cost.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in utility model contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection range of the utility model claims.
Claims (10)
1. an electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting, incoming transport electricity also couples mutually with communication equipment, it is characterized in that, this electric power system comprises: high-frequency switching power supply module, direct current supply module, Monitoring and Controlling module and power switching buffer module, wherein
Described high-frequency switching power supply module, couple mutually with described alternating current, direct current supply module, Monitoring and Controlling module, power switching buffer module and communication equipment respectively, for described alternating current is sent to described power switching buffer module, and according to the power supplying control signal receiving from described Monitoring and Controlling module, respectively to being sent to the terminal voltage of described communication equipment and the described alternating current of described direct current supply module carries out switch control;
Described direct current supply module, couple mutually with described high-frequency switching power supply module, Monitoring and Controlling module and communication equipment respectively, for receiving power supply, the plumbous carbon storage battery of this direct current supply module is carried out to float type charging, be described communication equipment power supply according to the described power supplying control signal receiving from described Monitoring and Controlling module, and receive after the electric quantity monitoring signal that described Monitoring and Controlling module sends electric quantity data Real-time Feedback to described Monitoring and Controlling module;
Described Monitoring and Controlling module, couple mutually with described high-frequency switching power supply module, direct current supply module for power supply switching buffer module and alternating current respectively, for the power supply state of alternating current described in Real-Time Monitoring, in the time of described AC outage, start described power switching buffer module, described direct current supply module is carried out to control of discharge simultaneously; In the time of described AC-powered, described power supplying control signal is sent to described high-frequency switching power supply module described communication equipment is carried out to power supply control, and be not more than described communication equipment upper voltage limit according to the float charge voltage that described electric quantity data is monitored described direct current supply module, control the online floating charge of described direct current supply module, described float charge voltage is greater than described communication equipment upper voltage limit, controls described direct current supply module off-line charging;
Described power switching buffer module, couple mutually with described high-frequency switching power supply module, Monitoring and Controlling module and communication equipment respectively, charge for the electric energy that receives described high-frequency switching power supply module and provide, and the control that receives described Monitoring and Controlling module in the time of described AC outage is carried out instantaneous power supply to described communication equipment.
2. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 1, is characterized in that, described Monitoring and Controlling module, further comprises: monitoring unit and on-off control unit, wherein,
Described monitoring unit, couple mutually with described alternating current, direct current supply module and on-off control unit respectively, generate alternating current status data for the power supply state of alternating current described in Real-Time Monitoring and be sent to described on-off control unit, and generate described electric quantity monitoring signal and be sent to described direct current supply module, the described electric quantity data that receives this direct current supply module Real-time Feedback is sent to described on-off control unit;
Described on-off control unit, couple mutually with monitoring unit, described high-frequency switching power supply module, direct current supply module and power switching buffer module respectively, for the described alternating current status data receiving according to described monitoring unit, in the time of described AC outage, generate emergency service signal and be sent to described power switching buffer module, generate described power supplying control signal by conducting between described direct current supply module and described communication equipment, controlling described direct current supply module is described communication equipment electric discharge simultaneously; In the time of described AC-powered, to between described direct current supply module and described communication equipment, open circuit by described power supplying control signal, described power supplying control signal is sent to described high-frequency switching power supply module simultaneously and carries out the power supply control for described communication equipment, and be not more than described communication equipment upper voltage limit according to the float charge voltage that described electric quantity data is monitored described direct current supply module, control the online floating charge of described direct current supply module, described float charge voltage is greater than described communication equipment upper voltage limit, controls described direct current supply module off-line charging.
3. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 2, is characterized in that, between described direct current supply module and described communication equipment, be provided with can control connection relay and switching device.
4. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 3, it is characterized in that, described on-off control unit, be further used for generating described power supplying control signal and be sent to described switching device conducting, by described relay conducting, controlling described direct current supply module is described communication equipment electric discharge again.
5. as a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as described in arbitrary in claim 3 to 4, it is characterized in that described switching device, the further switching device for being formed by silicon controlled rectifier.
6. as a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as described in arbitrary in claim 1 to 2, it is characterized in that described power switching buffer module, further the power switching buffer module for being formed by capacitor; The duration that when this condenser capacity keeps AC outage, described communication equipment is carried out to instantaneous power supply is 15 milliseconds.
7. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 1, is characterized in that, described high-frequency switching power supply module, further comprises: high frequency charhing unit and high frequency power supply unit, wherein,
Described high frequency charhing unit, couple mutually with described alternating current, direct current supply module, Monitoring and Controlling module and high frequency power supply unit respectively, for according to the power supplying control signal receiving from described Monitoring and Controlling module being described direct current supply module charging, after the charging of described direct current supply module, disconnect and being connected of described alternating current, after described direct current supply module discharge off, again accessing described alternating current is that described direct current supply module is charged;
Described high frequency power supply unit, couple mutually with described alternating current, Monitoring and Controlling module, power switching buffer module, high frequency charhing unit and communication equipment respectively, for the electric energy of the described alternating current of access is sent to described power switching buffer module, and be described communication equipment power supply according to the power supplying control signal receiving from described Monitoring and Controlling module.
8. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 7, it is characterized in that, described high-frequency switching power supply module further comprises: charging module group and supply module group, this charging module group and supply module group are made up of at least two rectification modules respectively, wherein
In charging process, voltage is not more than on described communication equipment in limited time, and described charging module group and supply module group are carried out floating charge to described plumbous carbon storage battery simultaneously; In charging process, voltage is greater than on described communication equipment in limited time, and described charging module group is to described plumbous carbon charge in batteries, and described supply module group is powered to described communication equipment.
9. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 1, is characterized in that, described direct current supply module, the direct current supply module of the plumbous carbon batteries composition of further serving as reasons.
10. a kind of electric power system of utilizing plumbous carbon battery to implement communication system peak load shifting as claimed in claim 1, is characterized in that, described Monitoring and Controlling module, further for having the Monitoring and Controlling module of control chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244407.4U CN203813451U (en) | 2014-05-14 | 2014-05-14 | Lead-carbon battery-based peak load shifting type power supply system for communication system |
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| CN201420244407.4U CN203813451U (en) | 2014-05-14 | 2014-05-14 | Lead-carbon battery-based peak load shifting type power supply system for communication system |
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| CN203813451U true CN203813451U (en) | 2014-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944179A (en) * | 2014-05-14 | 2014-07-23 | 中塔新兴通讯技术有限公司 | Power supply system for implementing communication system peak load shifting by utilizing lead-carbon batteries |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944179A (en) * | 2014-05-14 | 2014-07-23 | 中塔新兴通讯技术有限公司 | Power supply system for implementing communication system peak load shifting by utilizing lead-carbon batteries |
| CN103944179B (en) * | 2014-05-14 | 2016-07-06 | 中塔新兴通讯技术集团有限公司 | Plumbous carbon battery is utilized to implement the electric power system of communication system peak load shifting |
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Address after: 100076, Beijing, Fengtai District Dahongmen 56 Long Jing Zhuang 2 hospital Patentee after: ZHONGTA XINXING COMMUNICATION TECHNOLOGY GROUP CO.,LTD. Address before: 100194 Beijing city Haidian District Wen Yang Road 112 Patentee before: ZHONGTA XINXING COMMUNICATION TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20140903 |