High-voltage control device for energy storage cabinet

Abstract

A high-voltage control device for an energy storage cabinet disclosed by the present invention comprises a high-voltage control box, the high-voltage control box comprises a box body, and the box body comprises a bottom shell, a front panel, a top cover and a mounting plate; a high-voltage wiring terminal group, a load switch QF1, a micro-breaking switch group, a socket CZ, a network port group and an external signal port group are sequentially arranged on the front panel from left to right; the mounting plate is divided into a high-voltage area, an external port area, a control power supply area, a first control area and a second control area by the wire slots; the high-voltage area is arranged at the front end of the mounting plate and is close to the high-voltage wiring terminal group; the external port area is arranged at the front end of the mounting plate and is close to the external signal port group; the control power supply area is arranged behind the external port area; the first control area and the second control area are respectively arranged behind the high-voltage area and the control power supply area; high-voltage elements are arranged in the high-voltage area; the external port area is provided with a switch and a wiring terminal group; the control power area is provided with a switching power; the first control area and the second control area are provided with control elements.

Description

Technical Field

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

[0002] Energy storage cabinet is a device that can store electrical energy, usually composed of battery packs, converters, control units, etc. It can store electrical energy and release it for power supply when needed. It is usually used to provide backup power and stabilize grid voltage to achieve valley cutting and peak filling.

[0003] At present, 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 charging process of the battery system. The existing high-voltage control device is not deployed reasonably. For example, the high-voltage control elements are deployed together with the low-voltage control elements, which causes signal interference and affects the control performance. In addition, the switches that need to be manually operated and the ports and buttons connected to the outside are deployed separately on different panels, which is not conducive to installation and subsequent use operations. Therefore, it is necessary to provide a high-voltage control device for the energy storage cabinet. Summary of the invention

[0004] In view of the problems and shortcomings of the prior art, the present invention provides a novel high-voltage control device for an energy storage cabinet.

[0005] The present invention solves the above technical problems through the following technical solutions:

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

[0007] The front panel is provided with a high-voltage terminal group, a load switch QF1, a micro-break switch group, a socket CZ, a network port group and an external signal port group from left to right; the micro-break switch group includes a plurality of micro-break switches, the network port group includes a plurality of network ports, and the external signal port group includes a plurality of external signal ports;

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

[0009] The high-voltage terminal group includes input connectors B+ and B-, output connectors P+ and P-, and the high-voltage area is provided 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 through a copper busbar; 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 through a copper busbar;

[0011] The external port area is provided with a switch, an intermediate relay group and a connection terminal 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 arranged on a mounting plate, a mounting cover is arranged above the first switching power supply, and the second switching power supply is arranged on the mounting cover; the first switching power supply is an AC / DC switching power supply, and the input ends of the first switching power supply are respectively connected to the three diodes;

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

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

[0015] A fan is arranged on the inner side of the rear side plate 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 bars are staggered in space so that a safe distance is maintained between the copper bars.

[0017] Preferably, connecting columns are provided at both ends of the fuse, and the copper busbar is connected to the fuse via the connecting columns.

[0018] Preferably, the front panel is further provided with indicator lights, including an operation indicator light and a fault indicator light, and the operation indicator light and the fault indicator light are respectively arranged 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 arranged close to the network interface group.

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

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

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

[0023] Preferably, two ends of the front panel extend outwards respectively to form connecting portions extending out of the left and right panels of the bottom shell, and the connecting portions are provided with connecting grooves.

[0024] Preferably, handles are respectively provided on the front panel at two adjacent ends.

[0025] The positive and progressive effects of the present invention are:

[0026] The high-voltage control device for an energy storage cabinet provided by the present invention comprises a high-voltage control box, which comprises a box body and components installed in the box body, and the box body comprises a bottom shell, a front panel, a top cover and a mounting plate fixed in the bottom shell for carrying components; a high-voltage terminal group, a load switch QF1, a micro-break switch group, a socket CZ, a network port group and an external signal port group are arranged on the front panel from left to right, and the high-voltage terminal group, the switch that needs to be manually operated and the external connection port are arranged in sequence on the same panel, and the orderly centralized arrangement is convenient for installation and subsequent use and operation; the mounting plate is divided into multiple The area includes a high-voltage area, an external port area, a control power area, a first control area and a second control area; the high-voltage area is arranged at the front end of the mounting plate, corresponding to the position of the high-voltage terminal group, the load switch QF1, the micro-breaker switch group and the socket CZ; the external port area is arranged at the front end of the mounting plate, corresponding to the position of the network port group and the external signal port group; the control power area is arranged behind the external port area, and the first control area and the second control area are respectively arranged behind the high-voltage area and the control power area; the components are installed corresponding to the functional division areas to reduce signal interference, make the performance more stable, and facilitate installation and operation.

[0027] Furthermore, the present invention provides a temperature and humidity sensor to control the start and stop of the fan, and starts the fan when needed, which is more energy-saving.

[0028] Furthermore, both ends of the front panel of the present invention extend outwards respectively to form connecting parts of the left and right plates extending out of the bottom shell, and the connecting parts are provided with connecting grooves. When installed in the energy storage cabinet, the connecting parts are connected to the energy storage cabinet body through the connecting grooves, and the cabinet body does not need to be grounded separately, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0031] Figure 3 A schematic structural diagram of another angle of the high-voltage control box of the embodiment of the present invention with the bottom shell and the top cover removed;

[0032] Figure 4 It is another structural schematic diagram of the high-voltage control box of the embodiment of the present invention with the bottom shell and the top cover removed from another angle;

[0033] Figure 5 A schematic structural diagram of a high-voltage control box according to an embodiment of the present invention with the bottom shell, top cover and fan removed;

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

[0035] In the figure:

[0036] 1-box; 11-bottom shell; 12-front panel; 121-connection part; 122-connection slot; 123-handle; 13-top cover; 14-mounting plate; 141-wire slot; 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-micro-break switch block; 24-socket CZ; 25-network port block; 26-external signal port block; 27-main positive contactor; 28-main negative contactor; 29-fuse; 30-current sensor; 31-copper busbar; 32-switch; 33-intermediate relay block; 34-terminal block; 35-first switch power supply; 36-second switch power supply; 37-temperature and humidity sensor; 38-diode; 39-installation cover; 40-energy storage controller; 41-I / O module; 42-industrial computer; 43-fan; 44-connection column; 45-operation indicator light; 46-fault indicator light; 47-emergency start button AN; 48-grounding bar. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-Figure 6 The present embodiment provides a high-voltage control device for an energy storage cabinet, including a high-voltage control box, the high-voltage control box including a box body 1 and components installed in the box body, the box body 1 including a bottom shell 11, a front panel 12, a top cover 13 and a mounting plate 14 fixed in the bottom shell 11 for carrying components.

[0040] The front panel 12 is provided with a high-voltage terminal 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 from left to right; the micro-break switch group 23 includes a plurality of micro-break switches QF2, QF3, QF4, the network port group 25 includes a plurality of network ports EMS, BCU, LYQ, PCS, and the external signal port group 26 includes a plurality of external signal ports GAM, GBM, GCM, GDM.

[0041] The mounting plate 14 is divided into a plurality of areas by a wire trough 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 arranged at the front end of the mounting plate 14, corresponding to the positions of the high-voltage terminal group 21, the load switch QF1 22, the micro-break switch group 23 and the socket CZ 24; the external port area 143 is arranged 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 arranged behind the external port area 143, and the first control area 145 and the second control area 146 are arranged behind the high-voltage area 142 and the control power area 144, respectively.

[0042] The high voltage terminal group 21 includes input connectors B+ and B-, output connectors P+ and P-, and the high voltage area 142 is provided with a main positive contactor 27, a main negative contactor 28, a fuse 29 and a current sensor 30;

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

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

[0045] The control power supply area 144 is provided 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 arranged on the mounting plate 14, a mounting cover 39 is provided above the first switching power supply 35, and the second switching power supply 36 is arranged on the mounting cover 39; the first switching power supply 35 is an AC / DC switching power supply, and the input ends of the first switching power supply 35 are respectively connected to the three diodes 38.

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

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

[0048] A fan 43 is provided on the inner side of the rear side plate 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-saving.

[0049] In some embodiments, the copper bars 31 are staggered in space so that a safe distance is maintained between the copper bars 31 .

[0050] In some embodiments, connecting posts 44 are provided at both ends of the fuse 29 , and the copper busbar 31 is connected to the fuse 29 via the connecting posts 44 , so that the connection is more firm and reliable.

[0051] In some embodiments, the front panel 12 is further provided with indicator lights, including an operation indicator light 45 and a fault indicator light 46 . The operation indicator light 45 and the fault indicator light 46 are respectively provided 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 provided close to 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 air exhaust ports corresponding to the fans 43 .

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

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

[0056] In some embodiments, both ends of the front panel 12 extend outward to form a connecting portion 121 extending out of the left and right panels 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 box body 1 does not need to be grounded separately, thereby improving the installation efficiency.

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

[0058] In summary, the high-voltage control device for an energy storage cabinet provided by the present invention comprises a high-voltage control box, the high-voltage control box comprises a box body 1 and components installed in the box body 1, the box body 1 comprises a bottom shell 11, a front panel 12, a top cover 13 and a mounting plate 14 fixed in the bottom shell 11 for carrying components; the front panel 12 is provided with a high-voltage terminal 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 from left to right, and the high-voltage terminal group 21, switches requiring manual operation and externally connected ports are sequentially deployed on the same panel, and are centrally arranged in an orderly manner, which is convenient for installation and subsequent use and operation; the mounting plate 14 is divided into multiple areas by a wire trough 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 arranged at the front end of the mounting plate 14, corresponding to the high-voltage terminal group 21, the load switch QF1 22, the micro-break switch group 23 and the socket CZ 24 are arranged at the position where they are located; the external port area 143 is arranged at the front end of the mounting plate 14, corresponding to the position where the network port group 25 and the external signal port group 26 are located; the control power supply area 144 is arranged behind the external port area 143, and the first control area 145 and the second control area 146 are respectively arranged behind the high-voltage area 142 and the control power supply area 144; the components are installed corresponding to the functional division areas to reduce signal interference, make the performance more stable, and facilitate installation and operation.

[0059] Furthermore, the present invention provides a temperature and humidity sensor 37 to control the start and stop of the fan 43, and turns on the fan 43 when needed, which is more energy-saving.

[0060] Furthermore, both ends of the front panel 12 of the present invention extend outwards respectively to form a connecting portion 121 of the left and right plates extending out 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 box body 1 does not need to be grounded separately, thereby improving the installation efficiency.

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

Claims

1. A high-voltage control device for an energy storage cabinet, characterized in that: It comprises a high-voltage control box, the high-voltage control box comprises a box body and components installed in the box body, the box body comprises a bottom shell, a front panel, a top cover and a mounting plate fixed in the bottom shell for carrying components; The front panel is provided with a high-voltage terminal group, a load switch QF1, a micro-break switch group, a socket CZ, a network port group and an external signal port group from left to right; the micro-break switch group includes a plurality of micro-break switches, the network port group includes a plurality of network ports, and the external signal port group includes a plurality of external signal ports; The mounting plate is divided into multiple areas by a wire trough, including a high-voltage area, an external port area, a control power area, a first control area, and a second control area; the high-voltage area is arranged at the front end of the mounting plate, corresponding to the position where the high-voltage terminal group, the load switch QF1, the micro-break switch group, and the socket CZ are located; the external port area is arranged at the front end of the mounting plate, corresponding to the position where the network port group and the external signal port group are located; the control power area is arranged behind the external port area, and the first control area and the second control area are arranged behind the high-voltage area and the control power area, respectively; The high-voltage terminal group includes input connectors B+ and B-, output connectors P+ and P-, and the high-voltage area is provided with a main positive contactor, a main negative contactor, a fuse and a current sensor; 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 through a copper busbar; 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 through a copper busbar; The external port area is provided with a switch, an intermediate relay group and a connection terminal 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 arranged on a mounting plate, a mounting cover is arranged above the first switching power supply, and the second switching power supply is arranged on the mounting cover; the first switching power supply is an AC / DC switching power supply, and the input ends of the first switching power supply are respectively connected to the three diodes; The first control area is provided with an energy storage controller and an I / O module; The second control area is provided with an industrial computer; A fan is arranged on the inner side of the rear side plate 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 according to claim 1, characterized in that: The copper bars are staggered in space so that a safe distance is maintained between the copper bars.

3. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: Connecting columns are arranged at both ends of the fuse, and the copper busbar is connected to the fuse via the connecting columns.

4. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: The front panel is also provided with indicator lights, including an operation indicator light and a fault indicator light. The operation indicator light and the fault indicator light are respectively arranged on both sides above the load switch QF1.

5. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: The front panel is also provided with an emergency start button AN, and the emergency start button AN is arranged close to the network interface group.

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

7. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: The left side plate and the right side plate of the bottom shell are both provided with air inlets.

8. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: A grounding bar is arranged at the rear end edge of the mounting plate.

9. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: Two ends of the front panel extend outwards respectively to form connecting parts extending out of the left and right panels of the bottom shell, and the connecting parts are provided with connecting grooves.

10. The high-voltage control device for an energy storage cabinet according to claim 1, characterized in that: The front panel is provided with handles at two adjacent ends.

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