CN218124388U - Power supply and distribution system - Google Patents
Power supply and distribution system Download PDFInfo
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- CN218124388U CN218124388U CN202221708254.5U CN202221708254U CN218124388U CN 218124388 U CN218124388 U CN 218124388U CN 202221708254 U CN202221708254 U CN 202221708254U CN 218124388 U CN218124388 U CN 218124388U
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Abstract
The application discloses a power supply and distribution system, which comprises power supply equipment; the power supply equipment comprises an AC/DC power supply, a diesel generating set, a power battery, a charger and a power supply switching device; the AC/DC power supply is connected with the mains supply and is used for converting the mains supply into a voltage amplitude which can be received by the high-voltage bus; the diesel generator set is connected with the high-voltage bus and used for emergency power supply when the commercial power fails; the power battery is connected with the high-voltage bus and used for temporarily supplying power before the diesel generating set is started; the charger is connected with the high-voltage bus and the power battery and is used for charging the power battery; the power supply switching device is connected with the high-voltage bus and the power battery and is used for identifying abnormal voltage of the high-voltage bus and switching to the power battery to supply power in time; the utility model discloses can high-efficient quick discernment mains failure, for the electrical energy input that load equipment provided high quality, reliability.
Description
Technical Field
The application relates to the technical field of power supply and distribution, in particular to a power supply and distribution system.
Background
Electric energy is one of the most widely used energy sources at present, and a power supply and distribution system plays a role in electric energy scheduling in an electric system. At present, more and more places, equipment require more and more high to power supply quality, power supply reliability, and the inefficacy of power supply and distribution system short time just probably causes loss such as huge economy, the utility model discloses develop a high reliability power supply and distribution system design in view of this background.
SUMMERY OF THE UTILITY MODEL
At least one defect or improvement demand to prior art, the utility model provides a power supply and distribution system can high-efficient quick discernment commercial power trouble, provides high quality, high reliability power supply.
To achieve the above object, according to one aspect of the present invention, there is provided a power supply and distribution system, comprising a power supply device;
the power supply equipment comprises an AC/DC power supply, a diesel generating set, a power battery, a charger and power supply switching; wherein the content of the first and second substances,
the AC/DC power supply is connected with the mains supply and is used for converting the mains supply into a voltage amplitude which can be received by the high-voltage bus;
the diesel generator set is connected with the high-voltage bus and used for emergency power supply when the mains supply fails;
the power battery is connected with the high-voltage bus and is used for temporarily supplying power before the diesel generating set is started;
the charger is connected with the high-voltage bus and the power battery and is used for charging the power battery;
and the power supply switching device is connected with the high-voltage bus and the power battery and is used for identifying abnormal voltage of the high-voltage bus and switching to the power battery in time to supply power.
Further, the power supply and distribution system further comprises a surge protection device, wherein the surge protection device is connected with the high-voltage bus and used for absorbing surge current and surge voltage of the power supply and distribution system caused by lightning, power grid, equipment switching on and off and switching of the power supply equipment.
Further, the power supply and distribution system further comprises power distribution equipment; the power distribution equipment comprises a distribution box and a secondary power supply;
the distribution box comprises a first-stage distribution box and a second-stage distribution box;
the first-stage distribution box is a high-voltage distribution box, is connected with a high-voltage bus and is used for supplying power to a secondary power supply and high-voltage equipment;
the secondary power supply is connected with the first-stage distribution box and used for converting the high-voltage power transmitted by the first-stage distribution box into voltage required by load equipment, isolating the voltage before and after conversion and removing electromagnetic coupling;
the second-stage distribution box is connected with the secondary power supply and the load equipment and is used for distributing the electric energy converted by the secondary power supply to the load equipment;
further, in the power supply and distribution system, the power supply device further includes an energy storage capacitor, and the energy storage capacitor is connected to the high-voltage bus and is used for maintaining the electric energy input of the first-stage distribution box.
Further, in the power supply and distribution system, the power distribution equipment further comprises a remote control box, and the remote control box is connected with the distribution box and used for controlling the distribution box in a centralized manner in different places to realize power distribution and disconnection of the load equipment.
Further, the power supply and distribution system further comprises a control device, wherein the control device comprises a control computer, a terminal and a health management device; wherein the content of the first and second substances,
the control computer is connected with the power supply equipment and the power distribution equipment and is used for monitoring the state information of each equipment of the power supply and distribution system;
the terminal is connected with the power supply equipment and the power distribution equipment through a communication interface and used for reading the state information of each equipment of the power supply and distribution system and controlling the power distribution of each equipment;
the health management equipment is used for storing the state information to judge the health condition of the power supply and distribution system.
Further, in the power supply and distribution system, a power distribution control panel is arranged in the distribution box and used for monitoring the power utilization conditions of each high-voltage device and each load device, uploading the power utilization conditions to the control computer and the terminal, and storing the power utilization conditions to the health management device.
Further, in the power supply and distribution system, the status information of each device of the power supply and distribution system at least includes: voltage, current and power signals of each device during starting and voltage, current and power signals of each device during operation.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) The utility model provides a power supply and distribution system, which is provided with a diesel generating set for temporary power supply when the commercial power is failed, a power battery for temporary power supply before the diesel generating set is started, and a power supply switching device for identifying abnormal voltage of a high-voltage bus and switching to the power battery for power supply in time; when the mains supply fails, reliable electric energy input is provided for the load equipment;
(2) By adopting the power supply and distribution system provided by the utility model, the distribution boxes are arranged in a grading way, the first-level distribution box is used for supplying power to the high-voltage equipment and the secondary power supply, the secondary power supply is used for reducing the voltage and supplying power to the load equipment through the second-level distribution box, thereby realizing the grading power supply; and the control equipment is arranged to monitor the state information of each equipment of the power supply and distribution system, so that automatic control is realized, and faults can be processed in time to send an alarm.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply and distribution system according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The terms "first," "second," "third," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic structural diagram of a power supply and distribution system according to an embodiment of the present disclosure, please refer to fig. 1, in which the power supply system includes a power supply device, and the power supply device provides a stable power input for the power supply and distribution system. Further, the power supply equipment comprises an AC/DC power supply, a diesel generating set, a power battery, a charger and a power supply switching device.
The AC/DC power supply is connected with a mains supply, the mains supply is a main source of electric energy, and the AC/DC power supply is main power supply equipment in a power supply and distribution system. The AC/DC power supply is used for converting commercial power into a voltage amplitude 540V which can be received by a high-voltage bus, and the high-voltage bus distributes power for auxiliary loads. The diesel generator set is connected with the high-voltage bus and used for emergency power supply when the commercial power fails; the power battery is connected with the high-voltage bus and used for temporarily supplying power before the diesel generating set is started; the charger is connected with the high-voltage bus and the power battery and is used for charging the power battery; and the power supply switching device is connected with the high-voltage bus and the power battery and is used for identifying the abnormal voltage of the high-voltage bus and switching to the power battery to supply power in time.
As a preferred embodiment, the power supply equipment further comprises a surge protection device, which is connected to the high-voltage bus and is used for absorbing surge current and surge voltage of the power supply and distribution system caused by lightning, power grid, equipment switching on and off and switching over of the power supply equipment, so as to avoid damage to the power supply and distribution system equipment and the load equipment.
In this embodiment, the power supply and distribution system further includes a power distribution device; the power distribution equipment comprises a distribution box and a secondary power supply; the distribution box comprises a first-stage distribution box and a second-stage distribution box; the first-stage distribution box is a high-voltage distribution box, is connected with a high-voltage bus and is used for supplying power to a secondary power supply and high-voltage equipment; the secondary power supply is connected with the first-stage distribution box and used for converting high-voltage electricity transmitted by the first-stage distribution box into voltage required by load equipment, isolating the voltage before and after conversion and removing electromagnetic coupling so as to avoid mutual interference among all equipment of the power supply and distribution system; and the second-stage distribution box is connected with the secondary power supply and the load equipment and is used for distributing the electric energy converted by the secondary power supply to the load equipment. Specifically, the type and number of the distribution boxes can be determined according to the type and number of loads, and the channel setting and the bearing capacity setting of the distribution boxes can be determined according to the load power; the output voltage of the secondary power supply is set according to the load requirement, and the power of the secondary power supply is set according to the maximum power of the load. In order to ensure the power utilization reliability of the load, a dual-power parallel mechanism is adopted.
Furthermore, the power supply equipment further comprises an energy storage capacitor, and the energy storage capacitor is connected with the high-voltage bus and used for maintaining the electric energy input of the first-stage distribution box and ensuring the continuity of power supply of the high-voltage equipment and the load equipment.
Furthermore, the distribution equipment also comprises a remote control box which is connected with the distribution box and used for controlling the distribution box in a centralized way in different places to realize the distribution and disconnection of the load equipment. The remote control box can centralize the control switches of some common loads through hardware signals according to the actual operation requirements of the loads so as to ensure that the remote control box can timely finish the operation under the condition that the communication of the control computer is abnormal.
In this embodiment, the power supply and distribution system further includes a control device, and the control device includes a control computer, a terminal, and a health management device; the control computer is connected with the power supply equipment and the power distribution equipment and used for monitoring state information of each equipment of a power supply and distribution system, the control computer can achieve functions of remote start and stop of the diesel generator set, state inquiry of the AC/DC, lighting inquiry of the power battery and the like through an interactive interface, communication functions are set for the diesel generator set, the AC/DC power supply, the power battery, the charger and the power supply switching device in the power supply equipment, and self-checking results, real-time operation states, fault information and the like are uploaded to the control computer. The terminal is connected with the power supply equipment and the power distribution equipment through a communication interface and used for reading the state information of each equipment of the power supply and distribution system and controlling the power distribution of each equipment; the health management equipment is used for storing the state information to judge the health condition of the power supply and distribution system.
A distribution control panel is arranged in a distribution box of the distribution equipment and used for monitoring the power utilization conditions of each high-voltage equipment and load equipment, uploading the power utilization conditions to the control computer and the terminal and storing the power utilization conditions to the health management equipment; the control computer can also control the connection and disconnection of each channel of the distribution box through the interactive interface, so that the remote distribution and power failure of related loads are realized. Specifically, the state information of each device of the power supply and distribution system at least includes: voltage, current and power signals of each device during starting and voltage, current and power signals of each device during operation. And the diesel generating set, the AC/DC power supply, the power battery, the charger and the power switching device in the power supply equipment are all provided with communication devices, the running state is uploaded to the control computer in real time, automatic control is realized through related functional programs, faults caused by human factors are reduced, and the reliability of a power supply and distribution system is improved.
In a specific embodiment, the power of the diesel-electric generator set and the AC/DC power supply is 20kW; the maximum switching power of the power supply switching device is 20kW; the time for switching in and using the diesel generating set is not more than 10min, and the capacity of a power battery is 6Ah; the power of the charger is 2kW for ensuring that a single charger is fully charged with the power battery within 1 hour.
The operation of the power supply and distribution system provided in this embodiment will be briefly described. When the power is normally supplied, the AC/DC power supply converts the commercial power into a voltage amplitude value which can be received by the high-voltage bus; when the commercial power fails, the power supply switching device identifies that the voltage of the high-voltage bus is abnormal, switches the power supply input to the power battery, and temporarily supplies power to the load equipment by the power battery; in the switching process, the first-stage distribution box and the load equipment distributed by the first-stage distribution box maintain electric energy input through the energy storage capacitor so as to ensure the power supply continuity of the load equipment; the control equipment monitors the commercial power failure and sends an alarm; the maintenance personnel start the diesel generator set; after the diesel generating set is started, the power supply switching device identifies that the voltage of the high-voltage bus is normal, and automatically switches the power supply input back to the high-voltage bus; and after the commercial power is recovered, the maintenance personnel close the diesel generator set.
It should be noted that for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts, but those skilled in the art should understand that the present application is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art will recognize that the embodiments described in this specification are preferred embodiments and that acts or modules referred to are not necessarily required for this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some service interfaces, devices or units, and may be an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The above description is only an exemplary embodiment of the present disclosure, and the scope of the present disclosure should not be limited thereby. That is, all equivalent changes and modifications made in accordance with the teachings of the present disclosure are intended to be included within the scope of the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, and all changes, equivalents and modifications that fall within the spirit and scope of the invention are intended to be embraced thereby.
Claims (7)
1. A power supply and distribution system comprising a power supply apparatus;
the power supply equipment comprises an AC/DC power supply, a diesel generating set, a power battery, a charger and a power supply switching device; wherein the content of the first and second substances,
the AC/DC power supply is connected with the mains supply and is used for converting the mains supply into a voltage amplitude which can be received by the high-voltage bus;
the diesel generator set is connected with the high-voltage bus and used for emergency power supply when the mains supply fails;
the power battery is connected with the high-voltage bus and used for temporarily supplying power before the diesel generating set is started;
the charger is connected with the high-voltage bus and the power battery and is used for charging the power battery;
and the power supply switching device is connected with the high-voltage bus and the power battery and is used for identifying the abnormal voltage of the high-voltage bus and switching to the power battery to supply power in time.
2. The power supply and distribution system of claim 1, wherein the power supply equipment further comprises a surge protection device connected to the high voltage bus for absorbing surge currents and surge voltages of the power supply and distribution system due to lightning, grid and equipment switching, and switching of the power supply equipment.
3. The power supply and distribution system of claim 1, further comprising a power distribution device; the power distribution equipment comprises a power distribution box and a secondary power supply; wherein the content of the first and second substances,
the distribution box comprises a first-stage distribution box and a second-stage distribution box;
the first-stage distribution box is a high-voltage distribution box, is connected with a high-voltage bus and is used for supplying power to a secondary power supply and high-voltage equipment;
the secondary power supply is connected with the first-stage distribution box and used for converting the high-voltage power transmitted by the first-stage distribution box into voltage required by load equipment, isolating the voltage before and after conversion and removing electromagnetic coupling;
and the second-stage distribution box is connected with the secondary power supply and the load equipment and is used for distributing the electric energy converted by the secondary power supply to the load equipment.
4. The power distribution system of claim 3, wherein the power supply device further comprises a storage capacitor coupled to the high voltage bus for maintaining the power input to the first stage of the power distribution box.
5. The power distribution system of claim 3, wherein the power distribution equipment further comprises a remote control box, the remote control box being connected to the distribution box for remotely and centrally controlling the distribution box to effect distribution and disconnection of the load equipment.
6. The power distribution system of claim 3, further comprising a control device comprising a control computer, a terminal, and a health management device; wherein the content of the first and second substances,
the control computer is connected with the power supply equipment and the power distribution equipment and is used for monitoring the state information of each equipment of the power supply and distribution system;
the terminal is connected with the power supply equipment and the power distribution equipment through a communication interface and is used for reading the state information of each equipment of the power supply and distribution system and controlling the power distribution of each equipment;
the health management equipment is used for storing the state information to judge the health condition of the power supply and distribution system.
7. The power supply and distribution system of claim 6, wherein a distribution control board is disposed inside the distribution box for monitoring the power utilization condition of each of the high voltage devices and the load devices, uploading the power utilization condition to the control computer and the terminal, and storing the power utilization condition to the health management device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221708254.5U CN218124388U (en) | 2022-07-01 | 2022-07-01 | Power supply and distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221708254.5U CN218124388U (en) | 2022-07-01 | 2022-07-01 | Power supply and distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218124388U true CN218124388U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221708254.5U Active CN218124388U (en) | 2022-07-01 | 2022-07-01 | Power supply and distribution system |
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|---|---|
| CN (1) | CN218124388U (en) |
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- 2022-07-01 CN CN202221708254.5U patent/CN218124388U/en active Active
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