High-voltage control box

Abstract

The utility model discloses a high-voltage control box which comprises a high-voltage control box body, the high-voltage control box body 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 utility model relates to the technical field of electrical equipment, in particular to a high-voltage control box. Background Art

[0002] An energy storage cabinet is a device capable of storing electric energy, usually composed of a battery pack, an inverter, a control unit, etc. It can store electric energy and release it when needed for power supply, and is usually used to provide backup power and stabilize the grid voltage to achieve peak shaving and valley filling.

[0003] At present, the high-voltage control device of the energy storage cabinet is connected to the energy storage converter PCS and the battery system to control the charging of the battery system and obtain the state during the charging process of the battery system; the existing high-voltage control device is unreasonably deployed. For example, high-voltage control components and low-voltage control components are deployed together, resulting in signal interference and affecting the control performance; in addition, switches that need to be manually operated, ports connected to the outside, buttons, etc. are separately deployed on different panels, which is not conducive to installation and subsequent use and operation; therefore, it is necessary to provide a high-voltage control box. Summary of the Utility Model

[0004] The utility model aims at the problems and deficiencies existing in the prior art and provides a new type of high-voltage control box.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a high-voltage control box, 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 carrying components.

[0007] On the front panel, 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 are arranged in sequence from left to right; the miniature circuit breaker group includes a plurality of miniature circuit breakers, 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 wire grooves, 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 arranged at the front end of the mounting plate and corresponds to the positions where the high-voltage terminal block group, the load switch QF1, the miniature circuit breaker group, and the socket CZ are located; the external port area is arranged at the front end of the mounting plate and corresponds to the positions where the network port group and the external signal port group are located; the control power supply 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 supply area.

[0009] The high-voltage terminal group includes input connectors B+ and B-, and output connectors P+ and P-. A main positive contactor, a main negative contactor, a fuse, and a current sensor are provided in the high-voltage area;

[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 sequentially connected by a copper bar; 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 sequentially connected by a copper bar;

[0011] A switch, an intermediate relay group, and a terminal group are provided in the external port area;

[0012] A first switching power supply, a second switching power supply, a temperature and humidity sensor, and three diodes are provided in the control power supply area; the first switching power supply is arranged on the mounting plate, an installation cover is covered above the first switching power supply, and the second switching power supply is arranged on the installation cover; the first switching power supply is an AC / DC switching power supply, and the input end of the first switching power supply is respectively connected to the three diodes;

[0013] An energy storage controller and an I / O module are provided in the first control area;

[0014] An industrial computer is provided in the second control area;

[0015] A fan is provided on the inner side of the rear side plate of the bottom case, 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 arranged staggeredly in space so as to maintain a safe distance between the copper bars.

[0017] Preferably, connection posts are provided at both ends of the fuse, and the copper bar is connected to the fuse through the connection posts.

[0018] Preferably, indicator lights are further provided on the front panel, 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 further provided on the front panel, and the emergency start button AN is arranged close to the network port group.

[0020] Preferably, there are two fans, and air extraction openings are provided on the rear side plate of the bottom case corresponding to the fans.

[0021] Preferably, air inlet openings are provided on both the left side plate and the right side plate of the bottom case.

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

[0023] Preferably, both ends of the front panel extend outward respectively to form connecting parts of a left side plate and a right side plate protruding from the bottom case, and connecting grooves are provided on the connecting parts.

[0024] Preferably, handles are respectively provided at both ends of the front panel near the [specific positions].

[0025] The positive and progressive effects of the present utility model are as follows:

[0026] The high-voltage control box provided by the present utility model includes a high-voltage control box, which includes a box body and components installed in the box body. The box body includes a bottom case, a front panel, a top cover, and a mounting plate fixed in the bottom case for carrying components. On the front panel, 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 are arranged in sequence from left to right. Deploying the high-voltage terminal block group, the switches that need to be manually operated, and the ports connected to the outside in sequence on the same panel, and arranging them in an orderly and centralized manner is convenient for installation and subsequent use and operation. The mounting plate is divided into multiple areas by wire grooves, 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 arranged at the front end of the mounting plate and corresponds to the positions where the high-voltage terminal block group, the load switch QF1, the miniature circuit breaker group, and the socket CZ are located. The external port area is arranged at the front end of the mounting plate and corresponds to the positions where the network port group and the external signal port group are located. The control power supply 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 supply area. The components are installed corresponding to the function division areas, reducing signal interference, having more stable performance, and being convenient for installation and operation.

[0027] Furthermore, the present utility model sets a temperature and humidity sensor to control the start and stop of the fan, and the fan is turned on when needed, which is more energy-saving.

[0028] Furthermore, both ends of the front panel of the present utility model extend outward respectively to form connecting parts of a left side plate and a right side plate protruding from the bottom case, and connecting grooves are provided on the connecting parts. When installed in the energy storage cabinet, the connecting parts are connected to the energy storage cabinet body through the connecting grooves, and the box body does not need to be grounded separately, improving the installation efficiency. Description of the Drawings

[0029] Figure 1 is a schematic structural diagram of the high-voltage control box according to an embodiment of the present utility model;

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

[0031] Figure 3Another perspective structural schematic diagram of the high-voltage control box with the bottom case and top cover removed according to an embodiment of the present utility model;

[0032] Figure 4 Another perspective structural schematic diagram of the high-voltage control box with the bottom case and top cover removed according to an embodiment of the present utility model;

[0033] Figure 5 Structural schematic diagram of the high-voltage control box with the bottom case, top cover and fan removed according to an embodiment of the present utility model;

[0034] Figure 6 Another perspective structural schematic diagram of the high-voltage control box according to an embodiment of the present utility model.

[0035] In the figure:

[0036] 1 - box body; 11 - bottom case; 12 - front panel; 121 - connecting part; 122 - connecting groove; 123 - handle; 13 - top cover; 14 - mounting plate; 141 - wire groove; 142 - high-voltage area; 143 - external connection port area; 144 - control power supply area; 145 - first control area; 146 - second control area;

[0037] 21 - high-voltage terminal block group; 22 - load switch QF1; 23 - miniature 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 bar; 32 - switch; 33 - intermediate relay group; 34 - terminal block group; 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 control computer; 43 - fan; 44 - connecting column; 45 - operation indicator light; 46 - fault indicator light; 47 - emergency start button AN; 48 - grounding bar. Detailed implementation manners

[0038] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0039] Please refer to Figures 1 - 6, this embodiment provides a high-voltage control box, including a high-voltage control box which comprises 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 carrying components.

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

[0041] The mounting plate 14 is divided into multiple areas by wire grooves 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 and is arranged corresponding to the positions where the high-voltage terminal block group 21, the load switch QF1 22, the miniature circuit breaker group 23, and the socket CZ 24 are located; the external port area 143 is arranged at the front end of the mounting plate 14 and is arranged corresponding to the positions where the network port group 25 and the external signal port group 26 are located; 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 respectively arranged behind the high-voltage area 142 and the control power area 144.

[0042] The high-voltage terminal block group 21 includes input connectors B+ and B-, 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+, the fuse 29, the load switch QF1 22, the normally open contact of the main positive contactor 27, and the output connector P+ are sequentially connected through a copper bar 31; the input connector B-, the load switch QF1 22, the current sensor 30, the normally open contact of the main negative contactor 28, and the output connector P- are sequentially connected through a copper bar 31.

[0044] The external port area 143 is provided with a switch 32, an intermediate relay group 33, and a terminal block 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 disposed on the mounting plate 14, and an installation cover 39 is disposed above the first switching power supply 35, and the second switching power supply 36 is disposed on the installation 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 disposed inside the rear side plate of the bottom case 11, and 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 bars 31 are arranged staggeredly in space so as to maintain a safe distance between the copper bars 31.

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

[0051] In some embodiments, indicator lights are further provided on the front panel 12, including an operation indicator light 45 and a fault indicator light 46, and the operation indicator light 45 and the fault indicator light 46 are respectively arranged on both sides above the load switch QF1 22.

[0052] In some embodiments, an emergency start button AN 47 is further provided on the front panel 12, and the emergency start button AN 47 is arranged close to the network port group 25.

[0053] In some embodiments, there are two fans 43, and air extraction openings are provided on the rear side plate of the bottom case 11 corresponding to the fans 43.

[0054] In some embodiments, air inlet openings are provided on both the left side plate and the right side plate of the bottom case 11.

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

[0056] In some embodiments, both ends of the front panel 12 extend outward respectively to form a connecting portion 121 that protrudes from the left side plate and the right side plate of the bottom case 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, and the box body 1 does not need to be grounded separately, improving the installation efficiency.

[0057] In some embodiments, handles 123 are respectively arranged at both ends of the front panel 12 close to each other, facilitating the installation of the front panel 12.

[0058] In summary, the high-voltage control box provided by the present utility model includes a high-voltage control box, which includes a box body 1 and components installed in 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 carrying components; on the front panel 12, a high-voltage terminal block group 21, a load switch QF122, a miniature circuit breaker group 23, a socket CZ 24, a network port group 25, and an external signal port group 26 are arranged in sequence from left to right. The high-voltage terminal block group 21, the switches that need to be manually operated, and the externally connected ports are deployed on the same panel in sequence, set centrally in an orderly manner, facilitating installation and subsequent use and operation; the mounting plate 14 is divided into multiple areas by wire grooves 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 and is arranged corresponding to the positions where the high-voltage terminal block group 21, the load switch QF1 22, the miniature circuit breaker group 23, and the socket CZ 24 are located; the external port area 143 is arranged at the front end of the mounting plate 14 and is arranged corresponding to the positions where the network port group 25 and the external signal port group 26 are located; 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 respectively arranged behind the high-voltage area 142 and the control power area 144; the components are installed corresponding to the function partition areas, reducing signal interference, with more stable performance, and facilitating installation and operation.

[0059] Furthermore, the present utility model sets a temperature and humidity sensor 37 to control the start and stop of the fan 43, and the fan 43 is turned on when needed, which is more energy-efficient.

[0060] Furthermore, both ends of the front panel 12 of the present utility model extend outward respectively to form connecting parts 121 of the left side plate and the right side plate extending out of the bottom shell 11. Connecting grooves 122 are arranged on the connecting parts 121. When installed in the energy storage cabinet, the connecting parts 121 are connected to the energy storage cabinet body through the connecting grooves 122, and the box body 1 does not need to be grounded separately, improving the installation efficiency.

[0061] Although the specific implementation manners of the present utility model have been described above, those skilled in the art should understand that these are only examples. The protection scope of the present utility model is defined by the appended claims. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to these implementation manners, but these changes and modifications all fall within the protection scope of the present utility model.

Claims

1. A high voltage control box, characterized in that: The box comprises a box body and components installed in the box body, wherein the box body comprises a bottom shell, a front panel, a top cover and a mounting plate fixed in the bottom shell for carrying the 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 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 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 switch power supply and a second switch power supply; the first switch power supply is provided on a mounting plate, a mounting cover is provided above the first switch power supply, and the second switch power supply is provided on the mounting cover; 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.

2. The high voltage control box according to claim 1, characterized in that: 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 copper busbars are staggered in space so that a safe distance is maintained between the copper busbars.

3. The high voltage control box according to claim 2, 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 box 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, which are respectively arranged on both sides above the load switch QF1; the front panel is also provided with an emergency start button AN, which is arranged close to the network port group.

5. The high voltage control box according to claim 1, characterized in that: The control power supply area is provided with a temperature and humidity sensor, and a fan is provided on the inner side of the rear side plate of the bottom shell. The temperature and humidity sensor is electrically connected to the fan to control the start and stop of the fan; there are two fans, and the rear side plate of the bottom shell is provided with exhaust ports corresponding to the fans.

6. The high voltage control box according to claim 1, characterized in that: The control power supply area is provided with three diodes; 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.

7. The high voltage control box 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 box 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 box 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 box according to claim 1, characterized in that: The front panel is provided with handles at two adjacent ends.

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