CN208723620U - A kind of AC-DC double power supply intersection electric-control system for stake machine - Google Patents
A kind of AC-DC double power supply intersection electric-control system for stake machine Download PDFInfo
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- CN208723620U CN208723620U CN201821555494.XU CN201821555494U CN208723620U CN 208723620 U CN208723620 U CN 208723620U CN 201821555494 U CN201821555494 U CN 201821555494U CN 208723620 U CN208723620 U CN 208723620U
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
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- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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Abstract
The utility model discloses a kind of AC-DC double power supplies for stake machine to intersect electric-control system, including AC-DC inverter and ac control system, the input terminal of the ac control system is connect with industrial power and AC-DC inverter respectively, output end is connect with ac motor, and the AC-DC inverter includes sequentially connected charger, battery feed and inverter.The utility model increases Vehicular direct-current battery feed on the basis of original electric main, enhances the capacity of working on one's own of machine itself, reduces construction transition times and cost, and use is more convenient；The failure generated due to temporary interruption is reduced, the reliability and production efficiency of machine are improved.
Description
Technical field
The utility model relates to engineering machinery field more particularly to a kind of AC-DC double power supply intersection for stake machine are automatically controlled
System.
Background technique
The stake machine of the drilling machine class of domestic project machinery generally uses engine and alternating current-alternating current for electric power at present
Two ways.Engine haves the defects that pollute environment, not environmentally energy saving, and maintenance difficulty is big；Mains-supplied is used, although environmentally friendly
Energy conservation, easy to maintenance, still, when machine works normally, machine and industrial power (second level distribution box) must be by one 100 meters
The cable of (being determined according to live distance) is connected as machine and provides electric energy, each position of stake holes distribution on-site, machine
Will constantly be shifted one's position punching, and cable also will be with movement.The length limitation of the cable scope of activities of machine in this way,
Especially when machine transition is to next building site, since the vehicle of transport cannot be introduced into building site, the length limitation of cable is moved
Dynamic range must just ask large crane to transport or dismount transport.Paying for many troubles and fund is caused to construction party.This is practical
It is novel, using Vehicular direct-current battery feed, power transmission cable is not needed, scope of activities freely (is determined to move by accumulator electric-quantity
Range), fundamentally solve this problem.There are also the effects of backup power source for the utility model, and when mains failure, machine can
To continue to complete work, reliability, safety are enhanced.
CN201510735531.X discloses a kind of self-charging system of engineering transportation vehicle, including engine, power output
Device, generator, battery pack, management of charging and discharging system, which is: engine is in idling or heavy duty
When climbing-zero load descending operating condition, the energy utilization of engine is low, and the battery pack in the program is for low in engine speed
When, electrical power generators are controlled by engine controller.Different from the application, the application is to use battery feed to friendship
Galvanic electricity motivation is powered.
Utility model content
The technical problem to be solved by the present invention is to provide one kind for stake machine using Vehicular direct-current battery feed with
The electric-control system of industrial power dual power supply cross-over control.
In order to solve the above-mentioned technical problem, the utility model uses a kind of following technical scheme: alternating current-direct current for stake machine
Dual power supply intersects electric-control system, including alternating current-direct current inverter and ac control system, the input terminal of the ac control system
It is connect respectively with industrial power and alternating current-direct current inverter, output end is connect with ac motor, the alternating current-direct current inverter
Including sequentially connected charger, battery feed and inverter.
When stake machine is in site construction, ac control system directly uses work by connecting with the second level distribution box at scene
Industry power supply is powered to machine, controls motor action by frequency converter output order, drives gear hydraulic by ac motor M1
Pump or other executive components, make machine complete required movement, while charger according to the charge condition of battery feed to electric power storage
Pond power source charges；Completing this building site task when machine needs transition or station too far from second level distribution box or industrial power temporary interruption
When, it can star vehicle-mounted DC-AC inverter work, converted the direct current of Vehicular accumulator cell power supply by inverter
The normal operation for guaranteeing machine to ac control system is exported at alternating current.
Further, the ac control system includes the first A.C. contactor, the second A.C. contactor, input reactance
The input terminal of device, frequency converter and air switch, the first A.C. contactor major loop connects industrial power by air switch,
Output end is connected by the input terminal of input reactance device and frequency converter, the normally closed type contact and second of first A.C. contactor
It is exchanged from lock strap button with second after the wire loop series connection of A.C. contactor by air switch normally closed type contact and second
The input terminal of contactor major loop connects；The input terminal and inverter of the second A.C. contactor major loop normally open contact connect
It connects, output end is connect with input reactance device, the normally closed type contact of second A.C. contactor and the line of the first A.C. contactor
It is connect from lock strap button with the input terminal of the first A.C. contactor major loop normally open contact after the series winding of circle circuit by first.
It further, further include third from lock strap button, the third connects the starting of frequency converter from lock strap button
The function end terminal X1 and the end CON.
Further, the battery feed is provided with battery control panel, and the battery control panel and charger connect
It connects.
Further, the battery control panel includes digital wash, microcomputerized controller and timer, and the number is aobvious
Show that table and timer are controlled by microcomputerized controller, voltage detector, the voltage are additionally provided on the battery control panel
Detector is used to detect the voltage of battery feed in electric discharge, and voltage value is sent to microcomputerized controller, microcomputerized controller
The voltage value is shown that the timer is used for calculating accumulator power supply by driving digital wash on digital wash
Discharge time, and discharge time values are sent to microcomputerized controller, microcomputerized controller drives digital wash by the electric discharge
Time value is shown.
Further, the charger includes ac-dc conversion unit, charging output unit, single chip control unit and electricity
Current voltage detection unit；
The AC-DC conversion unit, input are connected to industrial power, and output is connected to charging output unit, and alternating current-direct current turns
It changes after the industrial power of input is filtered rectification by unit, DC-DC converter is controlled by a PWM and is converted into filling for direct current
Power supply is delivered to charging output unit；
The voltage and current detecting unit, input are connected to charging output unit, and output is connected to single chip control unit,
The voltage value and current value of charge power supply are acquired, and is transferred to single chip control unit；
The single chip control unit, input are connected to voltage and current detecting unit, and output is connected to AC-DC conversion list
Member, voltage value and current value of the single-chip microcontroller control according to the charge power supply for receiving voltage and current detecting unit sampling, output one
A voltage control signal controls the pwm control signal of AC-DC conversion unit, so that finally control AC-DC conversion unit is defeated
Charge power supply out；
The charging output unit, input are connected to AC-DC conversion unit, and output is connected to battery feed, charge defeated
The charge power supply that unit exports AC-DC conversion unit out charges to battery feed.
The inverter, battery feed connect ac control system by inverter, for by the straight of battery feed
Rheology is changed to exchange, is supplied to ac control system.
Further, the air switch is electric leakage tripping air switch.
Further, the frequency converter uses model MV300G-4T200.
Further, the battery feed includes several single battery series connection.
Further, the battery is lead-acid battery.
The utility model has the beneficial effects that the utility model provide a kind of AC-DC double power supply for stake machine intersect it is automatically controlled
System increases Vehicular direct-current battery feed on the basis of original electric main, enhances the independent work of machine itself
Make ability, reduce construction transition times and cost, use is more convenient；The failure generated due to temporary interruption is reduced,
Improve the reliability and production efficiency of machine.Vehicular direct-current battery feed is pollution-free, environmental protection and energy saving.
Detailed description of the invention
Fig. 1 is the utility model embodiment block diagram representation；
Fig. 2 is the utility model embodiment integrated circuit structural schematic diagram；
Fig. 3 is the utility model embodiment battery control panel block diagram representation；
Fig. 4 is the utility model embodiment charger structure of block diagram schematic diagram.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that directional instruction (such as up, down, left, right, before and after of institute in the utility model embodiment
Deng) be only used for explaining in the relative positional relationship under a certain particular pose (as shown in the picture) between each component, motion conditions etc.,
If the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, such as design " first ", " second " description are used for description purposes only in the utility model, and should not be understood as
Its relative importance of indication or suggestion implicitly includes at least one this feature.In the description of the utility model, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it should recognize when the combination of technical solution appearance is conflicting or cannot achieve
Combination for this technical solution is not present, also not within the protection scope of the requires of the utility model.
As shown in Figure 1, the utility model provides a kind of AC-DC double power supply intersection electric-control system for stake machine, including
Alternating current-direct current inverter and ac control system, the input terminal of the ac control system are inverse with industrial power and alternating current-direct current respectively
Variable power source connection, output end are connect with ac motor M1, and the alternating current-direct current inverter includes charger G1, battery feed
G2 and inverter U2, the charger G1 are connect with battery feed G2, the battery feed G2 by rotary switch SA1 with
Inverter U2 connection.
The ac motor parameter driven is: rated power 160KW, voltage rating 380V, rated current 307A, specified
Revolving speed 1500r/min.Electric motor starting electric current 90A~120A, low speed (500r/min or less) running current 100A~120A, high speed
(1500r/min) running current 150A~180A.When using backup DC power source powered operation, vehicle movement speed is limited in
500r/min powers hereinafter, corresponding to 1 hour, at this time bearing power are as follows:
The battery feed selection:
The single battery of 12V, charging maximum voltage are set as 13.8V, and electric discharge critical voltage is set as 10.8V, selects 48
Batteries series connection, then the fully charged total voltage of battery be 48 × 13.8V=662.4V, the total electric discharge critical voltage of battery be 48 ×
10.8V=518.4V selects 48 section 12V/120Ah batteries to be used in series, model 6-GFM-120 12V120AH (C10) lead
Sour battery.
As shown in Fig. 2, A, B, C are the triple line of industrial power, N is the neutral conductor (zero curve), and PE is protective wire (ground wire), institute
State ac control system include the first A.C. contactor KM1, the second A.C. contactor KM2, input reactance device L1, frequency converter U1 and
Air switch QF1, the first A.C. contactor KM1 major loop normally opened contact the first A.C. contactor major loop normally opened contact
Input terminal is connected by air switch QF1 connection industrial power, output end by the input terminal of input reactance device L1 and frequency converter U1
It connects, the normally closed type contact of the first A.C. contactor KM1 passes through sky after connecting with the wire loop of the second A.C. contactor KM2
Air cock normally closed type contact and second is from the input of lock strap button SB2 and the second A.C. contactor KM2 major loop normally opened contact
End connection；The input terminal of the second A.C. contactor KM2 major loop normally opened contact is connect with inverter U2, output end and input
Reactor L1 connection, the normally closed type contact of the second A.C. contactor KM2 and the wire loop string of the first A.C. contactor KM1
It is connect from lock strap button SB1 with the input terminal of the first A.C. contactor KM1 major loop after even by first.
Further include third from lock strap button SB3, the third from the end X1 of lock strap button SB3 connection frequency converter U1 with
The end CON.
As shown in figure 3, the battery feed G2 has battery control panel, and it is the electric energy storage device of DC power supply, it is described
Battery control panel includes digital wash, microcomputerized controller and timer, and the digital wash and timer are by microcomputer
Controller controls, and voltage detector is additionally provided on the battery control panel, and the voltage detector is used to examine in electric discharge
The voltage of battery feed G2 is surveyed, and voltage value is sent to microcomputerized controller, microcomputerized controller drives digital wash by institute
It states voltage value to show on digital wash, the timer is used for the discharge time of calculating accumulator power supply G2, and will
Discharge time values are sent to microcomputerized controller, and microcomputerized controller driving digital wash shows the discharge time values.
The charger G1 is used to charge to battery feed G2, and the charger G1 is connect with battery control panel, when
When battery control panel detects the electricity of battery feed G2 lower than certain value, opens charger and charge to battery.
The charger selection:
Charger G1 selects three-phase 380V input, and single battery charging voltage is set as 13.8V, and total charging voltage is
48*13.8V=662.4V.It is charged respectively with two charger G1, each charger output voltage is 331.2V.
The selection of charger electric current: according to battery behavior, charging current cannot be greater than 0.2C, so corresponding 1 hour supplier of electricity
The charging current of case is selected as 30A.
Product type: TTCharge-38030
Voltage and current: 331.2V 30A
Charging modes: constant current-constant pressure-shutdown
Input power: three-phase alternating current 380V
Constant-voltage: 331.2V
Continuous current: 30A
Inverter selection: model TTINV-380100 100kW input direct-current 660V 120A exports three-phase alternating current 380V
50Hz
As shown in figure 4, the charger G1 includes ac-dc conversion unit, charging output unit, single chip control unit
And voltage and current detecting unit；
The AC-DC conversion unit, input are connected to industrial power, and output is connected to charging output unit, and alternating current-direct current turns
It changes after the industrial power of input is filtered rectification by unit, DC-DC converter is controlled by a PWM and is converted into filling for direct current
Power supply is delivered to charging output unit；
The voltage and current detecting unit, input are connected to charging output unit, and output is connected to single chip control unit,
The voltage value and current value of charge power supply are acquired, and is transferred to single chip control unit；
The single chip control unit, input are connected to voltage and current detecting unit, and output is connected to AC DC conversion
Unit, voltage value and current value of the single-chip microcontroller control according to the charge power supply for receiving voltage and current detecting unit sampling, output
One voltage control signal controls the pwm control signal of AC-DC conversion unit, to finally control AC-DC conversion unit
The charge power supply of output；
The charging output unit, input are connected to AC-DC conversion unit, and output is connected to battery feed G2, charge
The charge power supply that output unit exports AC-DC conversion unit charges to battery feed G2.
The inverter U2, battery feed G2 connect ac control system by inverter, are used for battery feed
The DC converting of G2 is exchange, is supplied to ac control system.
Table one is the utility model embodiment accessory tablet menu.
Table one
Utility model works principle: (1) when being constructed with three-phase alternating current 380V (alternating current): being first turned on rotary switch
SA1 disconnects battery feed G2；Then air switch QF1 is closed a floodgate electric, the auxiliary normally closed interlock of QF1 is opened, and battery is made
Power supply G2 control loop disconnects, that is, is not available；Press, expression A.C. contactor bright from lock strap lamp button switch SB1, HL1 lamp
KM1 obtains electric, and the main contact of major loop KM1 closes, and electric current passes through input reactance device L1, is input in AC converter U1, frequency conversion
Device U1 obtain it is electric, press from lock strap lamp button switch SB3, frequency converter U1 run, and drive ac motor M1 run.
When being pressed again from lock strap lamp button switch SB3, frequency converter U1 stops output, and ac motor M1 stops fortune
Row.
When being pressed again from lock strap lamp button switch SB1, HL1 lamp goes out, and indicates A.C. contactor KM1 power loss, major loop
The main contact of KM1 is opened, and frequency converter U1 stops output, and AC electrical electric motor M1 is out of service.
(2) when being constructed with battery feed G2: air switch QF1 being disconnected power loss, the auxiliary normally closed interlock of QF1 first
Closure, then opens rotary switch SA1, opens battery feed G2, gives inverter U2 input dc power (660V 120A)；
It presses bright from lock strap lamp button switch SB2, HL2 lamp, indicates that A.C. contactor KM2 obtains electric, the main contact of major loop KM2 closes,
The three-phase alternating current that inverter U2 is exported inputs to reactor L1, then is input in AC converter U1, and frequency converter U1 is obtained
Electricity is pressed and is run from lock strap lamp button switch SB3, frequency converter U1, and ac motor M1 is driven to run.
When being pressed again from lock strap lamp button switch SB3, frequency converter U1 stops output, and ac motor M1 stops fortune
Row.
When being pressed again from lock strap lamp button switch SB2, HL2 lamp goes out, and indicates A.C. contactor KM2 power loss, major loop
The main contact of KM2 is opened, and frequency converter U1 power loss stops output, and ac motor M1 is out of service.
(3) as long as three-phase alternating current 380V (alternating current) normal power supply, air switch QF1 closes a floodgate, and charger G1 must be electric, passes through
The electricity of battery control panel detection battery simultaneously controls charging and turns off the work to battery feed G2.When there is no alternating current
It provides or air switch QF1 is disconnected, charger G1 stops working with regard to power loss, charger G1.
(4) when stopping work, rotary switch SA1 and air switch QF1 is disconnected.
The utility model provides a kind of AC-DC double power supply intersection electric-control system for stake machine, and alternating current and Vehicular direct-current store
Battery supply dual power supply system has technologically advanced, innovation, has broken the mode of single power supply power supply, capacity of working on one's own
Enhancing, improves the technology content of product, and structure is simple, easy for installation, reduces transition cost, the trouble and worry of no power failure mentions
High working efficiency, product safety are reliable.Dual power supply is pollution-free, environmental protection and energy saving.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (10)
1. a kind of AC-DC double power supply for stake machine intersects electric-control system, which is characterized in that including alternating current-direct current inverter and
Ac control system, the input terminal of the ac control system are connect with industrial power and alternating current-direct current inverter respectively, output
End is connect with ac motor, and the alternating current-direct current inverter includes sequentially connected charger, battery feed and inverter.
2. a kind of AC-DC double power supply for stake machine according to claim 1 intersects electric-control system, which is characterized in that institute
It states ac control system and includes the first A.C. contactor, the second A.C. contactor, input reactance device, frequency converter and air switch,
The input terminal of the first A.C. contactor major loop connects industrial power by air switch, and output end passes through input reactance device
It is connect with the input terminal of frequency converter, the normally closed type contact of first A.C. contactor and the wire loop of the second A.C. contactor
By air switch normally closed type contact and second from the input terminal of lock strap button and the second A.C. contactor major loop after series connection
Connection；The input terminal of the second A.C. contactor major loop normally open contact is connect with inverter, output end and input reactance device
After connection, the normally closed type contact of second A.C. contactor and the wire loop series winding of the first A.C. contactor certainly by first
Lock strap button is connect with the input terminal of the first A.C. contactor major loop normally open contact.
3. a kind of AC-DC double power supply for stake machine according to claim 2 intersects electric-control system, which is characterized in that institute
Air switch is stated as electric leakage tripping air switch.
4. a kind of AC-DC double power supply for stake machine according to claim 2 intersects electric-control system, which is characterized in that institute
Frequency converter is stated using model MV300G-4T200.
5. a kind of AC-DC double power supply for stake machine according to claim 1 intersects electric-control system, which is characterized in that institute
Stating ac control system further includes third from lock strap button, and the third connects the start-up function of frequency converter from lock strap button
The end terminal X1 and the end CON.
6. a kind of AC-DC double power supply for stake machine according to claim 1 intersects electric-control system, which is characterized in that institute
It states battery feed and is provided with battery control panel, the battery control panel is connect with charger.
7. a kind of AC-DC double power supply for stake machine according to claim 6 intersects electric-control system, which is characterized in that institute
Stating battery control panel includes digital wash, microcomputerized controller, timer and voltage detector, the digital wash, meter
When device and voltage detector connect respectively with microcomputerized controller.
8. a kind of AC-DC double power supply for stake machine according to claim 1 intersects electric-control system, which is characterized in that institute
Stating battery feed includes several single battery series connection.
9. a kind of AC-DC double power supply for stake machine according to claim 8 intersects electric-control system, which is characterized in that institute
Stating single battery is lead-acid battery.
10. a kind of AC-DC double power supply for stake machine according to claim 1 intersects electric-control system, which is characterized in that
The charger includes:
Ac-dc conversion unit, input are connected to industrial power, and output is connected to charging output unit；
Charge output unit, and input is connected to AC-DC conversion unit, and output is connected to battery feed；
Voltage and current detecting unit, input are connected to charging output unit, and output is connected to single chip control unit；
Single chip control unit, input are connected to voltage and current detecting unit, and output is connected to AC-DC conversion unit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109245278A (en) * | 2018-09-25 | 2019-01-18 | 恒天九五重工有限公司 | A kind of AC-DC double power supply intersection electric-control system for stake machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109245278A (en) * | 2018-09-25 | 2019-01-18 | 恒天九五重工有限公司 | A kind of AC-DC double power supply intersection electric-control system for stake machine |
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