A high-voltage control device for energy storage cabinets

Abstract

This invention discloses a high-voltage control device for an energy storage cabinet, comprising a high-voltage control box, which includes a cabinet body, a bottom shell, a front panel, a top cover, and a mounting plate. From left to right, the front panel is arranged with a high-voltage terminal block group, a load switch QF1, a micro-break switch group, a socket CZ, a network port group, and an external signal port group. The mounting plate is divided by cable trays into a high-voltage area, an external port area, a control power supply area, a first control area, and a second control area. The high-voltage area is located at the front end of the mounting plate, near the high-voltage terminal block group. The external port area is located at the front end of the mounting plate, near the external signal port group. The control power supply area is located behind the external port area. The first and second control areas are respectively located behind the high-voltage area and the control power supply area. The high-voltage area houses high-voltage components. The external port area houses a switch and a terminal block group. The control power supply area houses a switching power supply. The first and second control areas house control components.

Description

Technical Field

[0001] This invention relates to the field of electrical equipment technology, and in particular to a high-voltage control device for an energy storage cabinet. Background Technology

[0002] An energy storage cabinet is a device that can store electrical energy, typically consisting of a battery pack, converter, control unit, and other components. It stores electrical energy and releases it for use when needed, often serving as a backup power source and stabilizing grid voltage to achieve peak shaving and valley filling.

[0003] Currently, the high-voltage control device of the energy storage cabinet connects the energy storage converter PCS and the battery system to control the charging of the battery system and obtain the status of the battery system during the charging process. The existing high-voltage control device is poorly deployed. For example, high-voltage control components are deployed together with low-voltage control components, which causes signal interference and affects control performance. In addition, switches that require manual operation, ports that connect to external devices, and buttons are deployed separately on different panels, which is not conducive to installation and subsequent operation. Therefore, it is necessary to provide a high-voltage control device for energy storage cabinets. Summary of the Invention

[0004] This invention addresses the problems and shortcomings of existing technologies by providing a novel high-voltage control device for energy storage cabinets.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] The present invention provides a high-voltage control device for an energy storage cabinet, including a high-voltage control box. The high-voltage control box includes a box body and components installed in the box body. The box body includes a bottom shell, a front panel, a top cover, and a mounting plate fixed in the bottom shell for supporting the components.

[0007] The front panel is arranged from left to right as follows: a high-voltage terminal block group, a load switch QF1, a miniature circuit breaker group, a socket CZ, a network port group, and an external signal port group; the miniature circuit breaker group includes multiple miniature circuit breakers, the network port group includes multiple network ports, and the external signal port group includes multiple external signal ports.

[0008] The mounting plate is divided into multiple areas by cable trays, including a high-voltage area, an external port area, a control power supply area, a first control area, and a second control area. The high-voltage area is located at the front end of the mounting plate, corresponding to the positions of the high-voltage terminal block, the load switch QF1, the micro-break switch group, and the socket CZ. The external port area is located at the front end of the mounting plate, corresponding to the positions of the network port group and the external signal port group. The control power supply area is located behind the external port area, and the first control area and the second control area are respectively located behind the high-voltage area and the control power supply area.

[0009] The high-voltage terminal block includes input terminals B+ and B-, and output terminals P+ and P-. The high-voltage area is equipped with a main positive contactor, a main negative contactor, a fuse, and a current sensor.

[0010] The input connector B+, the fuse FU, the load switch QF1, the normally open contact of the main positive contactor, and the output connector P+ are connected in sequence via copper busbars; the input connector B-, the load switch, the current sensor, the normally open contact of the main negative contactor, and the output connector P- are connected in sequence via copper busbars.

[0011] The external port area is equipped with a switch, an intermediate relay group, and a terminal block group;

[0012] The control power supply area is provided with a first switching power supply, a second switching power supply, a temperature and humidity sensor, and three diodes; the first switching power supply is mounted on a mounting plate, and a mounting cover is provided above the first switching power supply, and the second switching power supply is mounted on the mounting cover; the first switching power supply is an AC / DC switching power supply, and the input terminals of the first switching power supply are respectively connected to the three diodes;

[0013] The first control area is equipped with an energy storage controller and an I / O module;

[0014] The second control area is equipped with an industrial computer;

[0015] A fan is provided on the inner side of the rear panel of the bottom shell, and the temperature and humidity sensor is electrically connected to the fan to control the start and stop of the fan.

[0016] Preferably, the copper busbars are spatially staggered to maintain a safe distance between them.

[0017] Preferably, the fuse has connecting posts at both ends, and the copper busbar is connected to the fuse through the connecting posts.

[0018] Preferably, the front panel is also provided with indicator lights, including a running indicator light and a fault indicator light, which are respectively located on both sides above the load switch QF1.

[0019] Preferably, an emergency start button AN is also provided on the front panel, and the emergency start button AN is located near the network interface group.

[0020] Preferably, there are two fans, and the rear side plate of the bottom shell is provided with an exhaust port corresponding to the fans.

[0021] Preferably, both the left and right side plates of the bottom shell are provided with air inlets.

[0022] Preferably, a grounding bar is provided at the rear edge of the mounting plate.

[0023] Preferably, the two ends of the front panel extend outward to form a connecting portion of the left and right side panels extending out of the bottom shell, and the connecting portion is provided with a connecting groove.

[0024] Preferably, the front panel has handles at both ends near each other.

[0025] The positive and progressive effects of this invention are as follows:

[0026] The high-voltage control device for energy storage cabinets provided by this invention includes a high-voltage control box. The high-voltage control box includes a box body and components installed in the box body. The box body includes a bottom shell, a front panel, a top cover, and a mounting plate fixed in the bottom shell for supporting the components. From left to right, the front panel sequentially arranges a high-voltage terminal block group, a load switch QF1, a miniature circuit breaker group, a socket CZ, a network port group, and an external signal port group. The high-voltage terminal block group, manually operated switches, and external connection ports are arranged sequentially on the same panel, with an orderly and centralized arrangement that facilitates installation and subsequent operation. The mounting plate is divided into multiple sections by cable trays. The mounting plate is divided into several functional zones: a high-voltage zone, an external port zone, a control power supply zone, a first control zone, and a second control zone. The high-voltage zone is located at the front of the mounting plate, corresponding to the positions of the high-voltage terminal block, load switch QF1, miniature circuit breaker group, and socket CZ. The external port zone is also located at the front of the mounting plate, corresponding to the positions of the network port group and the external signal port group. The control power supply zone is located behind the external port zone, and the first and second control zones are located behind the high-voltage zone and the control power supply zone, respectively. Components are installed according to their functional zones to reduce signal interference, improve performance stability, and facilitate installation and operation.

[0027] Furthermore, this invention incorporates a temperature and humidity sensor to control the fan's start and stop, allowing the fan to be turned on only when needed, thus saving energy.

[0028] Furthermore, the two ends of the front panel of the present invention extend outward to form a connecting part of the left side plate and the right side plate extending out of the bottom shell. The connecting part is provided with a connecting groove. When installed in the energy storage cabinet, the connecting part is connected to the energy storage cabinet body through the connecting groove. The cabinet body does not need to be grounded separately, which improves the installation efficiency. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the high-voltage control device for an energy storage cabinet according to an embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of the high-voltage control box with the bottom shell and top cover removed according to an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the high-voltage control box of the present invention with the bottom shell and top cover removed from it from another angle.

[0032] Figure 4 This is another angled structural diagram of the high-voltage control box according to an embodiment of the present invention, with the bottom shell and top cover removed.

[0033] Figure 5 This is a schematic diagram of the high-voltage control box of this embodiment of the invention with the bottom shell, top cover and fan removed.

[0034] Figure 6 This is a schematic diagram of the high-voltage control device for an energy storage cabinet from another angle, according to an embodiment of the present invention.

[0035] In the picture:

[0036] 1-Enclosure; 11-Bottom Shell; 12-Front Panel; 121-Connecting Part; 122-Connecting Slot; 123-Handle; 13-Top Cover; 14-Mounting Plate; 141-Wire Tray; 142-High Voltage Area; 143-External Port Area; 144-Control Power Supply Area; 145-First Control Area; 146-Second Control Area;

[0037] 21-High voltage terminal block; 22-Load switch QF1; 23-Mini circuit breaker group; 24-Socket CZ; 25-Network port group; 26-External signal port group; 27-Main positive contactor; 28-Main negative contactor; 29-Fuse; 30-Current sensor; 31-Copper busbar; 32-Switch; 33-Intermediate relay group; 34-Terminal block; 35-First switching power supply; 36-Second switching power supply; 37-Temperature and humidity sensor; 38-Diode; 39-Mounting cover; 40-Energy storage controller; 41-I / O module; 42-Industrial computer; 43-Fan; 44-Connecting post; 45-Run indicator light; 46-Fault indicator light; 47-Emergency start button AN; 48-Grounding busbar. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Please see Figures 1-6 This embodiment provides a high-voltage control device for an energy storage cabinet, including a high-voltage control box. The high-voltage control box includes a box body 1 and components installed in the box body. The box body 1 includes a bottom shell 11, a front panel 12, a top cover 13, and a mounting plate 14 fixed in the bottom shell 11 for supporting the components.

[0040] The front panel 12 is arranged from left to right as follows: high voltage terminal block 21, load switch QF1 22, miniature circuit breaker group 23, socket CZ 24, network port group 25, and external signal port group 26; the miniature circuit breaker group 23 includes multiple miniature circuit breakers QF2, QF3, and QF4; the network port group 25 includes multiple network ports EMS, BCU, LYQ, and PCS; and the external signal port group 26 includes multiple external signal ports GAM, GBM, GCM, and GDM.

[0041] The mounting plate 14 is divided into multiple areas by the cable tray 141, including a high-voltage area 142, an external port area 143, a control power area 144, a first control area 145, and a second control area 146. The high-voltage area 142 is located at the front end of the mounting plate 14, corresponding to the positions of the high-voltage terminal block group 21, the load switch QF1 22, the micro-break switch group 23, and the socket CZ 24. The external port area 143 is located at the front end of the mounting plate 14, corresponding to the positions of the network port group 25 and the external signal port group 26. The control power area 144 is located behind the external port area 143, and the first control area 145 and the second control area 146 are respectively located behind the high-voltage area 142 and the control power area 144.

[0042] The high-voltage terminal block 21 includes input terminals B+ and B-, and output terminals P+ and P-. The high-voltage zone 142 is equipped with a main positive contactor 27, a main negative contactor 28, a fuse 29, and a current sensor 30.

[0043] Input connector B+, fuse 29, load switch QF1 22, normally open contact of main positive contactor 27 and output connector P+ are connected in sequence via copper busbar 31; input connector B-, load switch QF1 22, current sensor 30, normally open contact of main negative contactor 28 and output connector P- are connected in sequence via copper busbar 31.

[0044] The external port area 143 is equipped with a switch 32, an intermediate relay group 33, and a terminal block group 34.

[0045] The control power supply area 144 is equipped with a first switching power supply 35, a second switching power supply 36, a temperature and humidity sensor 37, and three diodes 38. The first switching power supply 35 is mounted on the mounting plate 14, and a mounting cover 39 is provided above the first switching power supply 35. The second switching power supply 36 is mounted on the mounting cover 39. The first switching power supply 35 is an AC / DC switching power supply, and the input terminals of the first switching power supply 35 are connected to the three diodes 38 respectively.

[0046] The first control area 145 is equipped with an energy storage controller 40 and an I / O module 41.

[0047] The second control area 146 is equipped with an industrial control computer 42.

[0048] A fan 43 is installed on the inner side of the rear panel of the bottom shell 11. The temperature and humidity sensor 37 is electrically connected to the fan 43 to control the start and stop of the fan 43. When the temperature or humidity detected by the temperature and humidity sensor 37 is greater than the set value, the fan 43 is controlled to start, which is more energy-efficient.

[0049] In some embodiments, the copper busbars 31 are spatially staggered to maintain a safe distance between them.

[0050] In some embodiments, the fuse 29 is provided with connecting posts 44 at both ends, and the copper busbar 31 is connected to the fuse 29 through the connecting posts 44, making the connection more secure and reliable.

[0051] In some embodiments, the front panel 12 is also provided with indicator lights, including a running indicator light 45 and a fault indicator light 46, which are respectively located on both sides above the load switch QF1 22.

[0052] In some embodiments, an emergency start button AN 47 is also provided on the front panel 12, and the emergency start button AN 47 is located near the network interface group 25.

[0053] In some embodiments, there are two fans 43, and the rear side plate of the bottom shell 11 is provided with an exhaust port corresponding to the fans 43.

[0054] In some embodiments, both the left and right side plates of the bottom shell 11 are provided with air inlets.

[0055] In some embodiments, a grounding bar 48 is provided at the rear edge of the mounting plate 14 for centralized grounding.

[0056] In some embodiments, the two ends of the front panel 12 extend outward to form a connecting portion 121 extending out of the left and right side plates of the bottom shell 11. The connecting portion 121 is provided with a connecting groove 122. When installed in the energy storage cabinet, the connecting portion 121 is connected to the energy storage cabinet body through the connecting groove 122. The cabinet body 1 does not need to be grounded separately, which improves the installation efficiency.

[0057] In some embodiments, handles 123 are provided on the front panel 12 at both ends near each other to facilitate the installation of the front panel 12.

[0058] In summary, the high-voltage control device for energy storage cabinets provided by the present invention includes a high-voltage control box, which includes a box body 1 and components mounted on the box body 1. The box body 1 includes a bottom shell 11, a front panel 12, a top cover 13, and a mounting plate 14 fixed in the bottom shell 11 for supporting the components. The front panel 12 is arranged from left to right as follows: a high-voltage terminal block group 21, a load switch QF1 22, a micro-break switch group 23, a socket CZ 24, a network port group 25, and an external signal port group 26. The high-voltage terminal block group 21, the manually operated switch, and the external connection ports are sequentially deployed on the same panel, arranged in an orderly and centralized manner, facilitating installation and subsequent operation. The mounting plate 14 is divided into multiple areas by a cable tray 141, including a high-voltage area 142, an external port area 143, a control power area 144, a first control area 145, and a second control area 146. The high-voltage area 142 is located at the front end of the mounting plate 14, corresponding to the high-voltage terminal block group 21 and the load switch QF1. 22. The positions of the micro-break switch group 23 and the socket CZ 24 are set; the external port area 143 is set at the front end of the mounting plate 14, corresponding to the positions of the network port group 25 and the external signal port group 26; the control power area 144 is set behind the external port area 143, and the first control area 145 and the second control area 146 are respectively set behind the high voltage area 142 and the control power area 144; the components are installed according to the functional division area to reduce signal interference, make the performance more stable, and facilitate installation and operation.

[0059] Furthermore, the present invention includes a temperature and humidity sensor 37 to control the start and stop of the fan 43, so that the fan 43 can be turned on when needed, thus saving energy.

[0060] Furthermore, the two ends of the front panel 12 of the present invention extend outward to form a connecting part 121 extending out of the left side plate and the right side plate of the bottom shell 11. The connecting part 121 is provided with a connecting groove 122. When installed in the energy storage cabinet, the connecting part 121 is connected to the energy storage cabinet body through the connecting groove 122. The cabinet body 1 does not need to be grounded separately, which improves the installation efficiency.

[0061] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A high-voltage control device for an energy storage cabinet, characterized in that, The high-voltage control box includes a box body and components mounted on the box body. The box body includes a bottom shell, a front panel, a top cover, and a mounting plate fixed in the bottom shell for supporting the components. The front panel is arranged from left to right as follows: a high-voltage terminal block group, a load switch QF1, a miniature circuit breaker group, a socket CZ, a network port group, and an external signal port group; the miniature circuit breaker group includes multiple miniature circuit breakers, the network port group includes multiple network ports, and the external signal port group includes multiple external signal ports. The mounting plate is divided into multiple areas by cable trays, including a high-voltage area, an external port area, a control power supply area, a first control area, and a second control area. The high-voltage area is located at the front end of the mounting plate, corresponding to the positions of the high-voltage terminal block, the load switch QF1, the micro-break switch group, and the socket CZ. The external port area is located at the front end of the mounting plate, corresponding to the positions of the network port group and the external signal port group. The control power supply area is located behind the external port area, and the first control area and the second control area are respectively located behind the high-voltage area and the control power supply area. The high-voltage terminal block includes input terminals B+ and B-, and output terminals P+ and P-. The high-voltage area is equipped with a main positive contactor, a main negative contactor, a fuse, and a current sensor. The input connector B+, the fuse, the load switch QF1, the normally open contact of the main positive contactor, and the output connector P+ are connected in sequence via copper busbars; the input connector B-, the load switch QF1, the current sensor, the normally open contact of the main negative contactor, and the output connector P- are connected in sequence via copper busbars. The external port area is equipped with a switch, an intermediate relay group, and a terminal block group; The control power supply area is provided with a first switching power supply, a second switching power supply, a temperature and humidity sensor, and three diodes; the first switching power supply is mounted on a mounting plate, and a mounting cover is provided above the first switching power supply, and the second switching power supply is mounted on the mounting cover; the first switching power supply is an AC / DC switching power supply, and the input terminals of the first switching power supply are respectively connected to the three diodes; The first control area is equipped with an energy storage controller and an I / O module; The second control area is equipped with an industrial computer; A fan is provided on the inner side of the rear panel of the bottom shell, and the temperature and humidity sensor is electrically connected to the fan to control the start and stop of the fan.

2. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, The copper busbars are spatially staggered to maintain a safe distance between them.

3. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, The fuse has connecting posts at both ends, and the copper busbar is connected to the fuse through the connecting posts.

4. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, The front panel is also equipped with indicator lights, including a running indicator light and a fault indicator light, which are respectively located on both sides above the load switch QF1.

5. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, An emergency start button AN is also provided on the front panel, and the emergency start button AN is located near the network port group.

6. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, There are two fans, and the rear side plate of the bottom shell is provided with an exhaust port corresponding to the fans.

7. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, Both the left and right side plates of the bottom shell are equipped with air inlets.

8. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, A grounding bar is provided at the rear edge of the mounting plate.

9. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, The two ends of the front panel extend outwards to form a connecting part for the left and right side panels that extend out of the bottom shell, and the connecting part is provided with a connecting groove.

10. The high-voltage control device for an energy storage cabinet as described in claim 1, characterized in that, The front panel has handles at both ends near each other.

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