A high-voltage control box for energy storage cabinets
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2026-08-14
AI Technical Summary
[0003]目前，储能柜的高压控制箱连接储能变流器PCS和电池系统，控制电池系统的充电，获取电池系统充电过程的状态；现有的高压控制箱部署不合理，动力输入与动力输出均设置在前面板，外接端口也设置在前面板，前面板接的线束很多，不够美观；普遍没有显示屏，或者显示屏设置在外部的储能柜上，不能在高压箱上直观的观察数据参数和下达操作指令，使用不方便；因此，有必要提供一种用于储能柜的高压控制箱
[0025]本实用新型提供的用于储能柜的高压控制箱，包括箱体和安装于箱体的元器件，箱体包括底壳、前面板、顶盖和固定于底壳中的用于承载元器件的安装板；前面板上从左到右依次设置有高压输入接头B+和B-、负荷开关QF1、触控屏、微断开关组、插座LN和网络端口组；底壳的后侧板上从左到右依次设置有高压输出接头P+和P-、外接端子和外接信号端口组；将触控屏和需要操作的元件前面板上集中部署，有利于观察和使用操作；在前面板和后侧板合理部署需要接线的端口，便于接线操作且更美观；安装板由线槽分隔为多个区域，包括高压区、信号交互区、控制电源区、第一控制区和第二控制区；高压区设置于安装板的左侧；信号交互区、控制电源区和第一控制区在安装板的右侧从前到后依次设置；第二控制区设置于第一控制区的右侧；高压区设置有第一熔断器、第二熔断器、电流传感器、主正接触器、主负接触器、预充继电器和预充电阻；信号交互区设置有交换机、中间继电器组和接线端子组；控制电源区设置有第一开关电源和第二开关电源；第一控制区设置有工控机和I/O模块；第二控制区设置有储能控制器；元器件对应于功能划分区安装，减少信号干扰，性能更稳定，且便于安装操作。
Smart Images
Figure CN224637604U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical equipment technology, and in particular to a high-voltage control box for energy storage cabinets. 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 box of an energy storage cabinet connects the energy storage converter PCS and the battery system, controlling the charging of the battery system and acquiring the status of the battery system during the charging process. However, the existing high-voltage control boxes are poorly designed, with both power input and output located on the front panel, as well as external ports, resulting in numerous and unsightly wiring harnesses. Furthermore, they generally lack a display screen, or the screen is located on the external energy storage cabinet, making it impossible to directly observe data parameters and issue operating commands from the high-voltage box, thus hindering usability. Therefore, it is necessary to provide a high-voltage control box for energy storage cabinets. Utility Model Content
[0004] This utility model addresses the problems and shortcomings of existing technologies by providing a novel high-voltage control box for energy storage cabinets.
[0005] The present invention solves the above-mentioned technical problems through the following technical solution:
[0006] This utility model provides a high-voltage control box for an energy storage cabinet, including 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: high voltage input connectors B+ and B-, load switch QF1, touch screen, micro circuit breaker group, socket LN and network port group;
[0008] The rear panel of the bottom shell is provided with high voltage output connectors P+ and P-, external terminals and external signal port group from left to right.
[0009] The mounting plate is divided into multiple areas by wire grooves, including a high-voltage area, a signal interaction area, a control power area, a first control area, and a second control area; the high-voltage area is located on the left side of the mounting plate; the signal interaction area, the control power area, and the first control area are arranged sequentially from front to back on the right side of the mounting plate; the second control area is located to the right of the first control area.
[0010] The high-voltage zone is equipped with a first fuse, a second fuse, a current sensor, a main positive contactor, a main negative contactor, a pre-charge relay, and a pre-charge resistor;
[0011] The signal interaction area is equipped with a switch, an intermediate relay group, and a terminal block group;
[0012] The control power supply area is equipped with a first switching power supply and a second switching power supply.
[0013] The first control area is equipped with an industrial computer and I / O modules;
[0014] The second control area is equipped with an energy storage controller.
[0015] Preferably, the high-voltage input connector B+, the first fuse, the load switch QF1, the normally open contact of the main positive contactor, and the high-voltage output connector P+ are connected in sequence via copper busbars; the high-voltage input connector B-, the load switch, the current sensor, the normally open contact of the main negative contactor, and the high-voltage output connector P- are connected in sequence via copper busbars; the copper busbars are spatially staggered to maintain a safe distance between them; the pre-charge relay and the pre-charge resistor are connected in series and then connected in parallel with the normally open contact of the main positive contactor.
[0016] Preferably, both ends of the first fuse and the second fuse are provided with insulating terminals, and the copper busbar is connected to the first fuse and the second fuse through the insulating terminals.
[0017] Preferably, the front panel is also provided with status indicator lights, including a running indicator light and a fault indicator light, which are respectively located on both sides above the load switch QF1.
[0018] Preferably, the network port group is located below the micro-break switch group and the socket LN; 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.
[0019] Preferably, a USB interface is also provided on the front panel, and the USB interface is located close to the micro-break switch group.
[0020] Preferably, the first switching power supply is disposed on a mounting plate, and a first mounting cover is provided above the first switching power supply, and the second switching power supply is disposed on the first mounting cover; the first switching power supply is an AC / DC switching power supply, and the second switching power supply is a DC / DC switching power supply.
[0021] Preferably, the high-voltage zone is further provided with three diodes, which are located on the front side of the second control zone; the input terminals of the first switching power supply are respectively connected to the three diodes.
[0022] Preferably, the industrial computer is mounted on a mounting plate, and a second mounting cover is provided above the industrial computer, with the I / O module mounted on the second mounting cover.
[0023] Preferably, a grounding bar is provided at the rear edge of the mounting plate.
[0024] The positive and progressive effects of this utility model are as follows:
[0025] This utility model provides a high-voltage control box for energy storage cabinets, comprising 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. From left to right, the front panel has high-voltage input connectors B+ and B-, a load switch QF1, a touch screen, a micro-break switch group, a socket LN, and a network port group. From left to right, the rear panel of the bottom shell has high-voltage output connectors P+ and P-, external terminals, and an external signal port group. The touch screen and operable components are centrally located on the front panel, facilitating observation and operation. The ports requiring wiring are rationally arranged on the front and rear panels, simplifying wiring operations and improving aesthetics. The mounting plate is divided into multiple areas by wire channels, including a high-voltage area, a signal area, and a... The mounting plate is divided into a signal interaction area, a control power supply area, a first control area, and a second control area. The high-voltage area is located on the left side of the mounting plate. The signal interaction area, control power supply area, and first control area are arranged sequentially from front to back on the right side of the mounting plate. The second control area is located to the right of the first control area. The high-voltage area is equipped with a first fuse, a second fuse, a current sensor, a main positive contactor, a main negative contactor, a pre-charge relay, and a pre-charge resistor. The signal interaction area is equipped with a switch, an intermediate relay group, and a terminal block group. The control power supply area is equipped with a first switching power supply and a second switching power supply. The first control area is equipped with an industrial computer and I / O modules. The second control area is equipped with an energy storage controller. Components are installed according to their functional division areas to reduce signal interference, improve performance stability, and facilitate installation and operation. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of the high-voltage control box for energy storage cabinet with the top cover removed, according to an embodiment of the present utility model.
[0027] Figure 2 This is a top view of the high-voltage control box for an energy storage cabinet with the top cover removed, according to an embodiment of the present utility model.
[0028] Figure 3 This is a front view of the high-voltage control box for an energy storage cabinet according to an embodiment of the present invention;
[0029] Figure 4 This is a rear view of the high-voltage control box for an energy storage cabinet according to an embodiment of the present invention.
[0030] In the picture:
[0031] 1-Enclosure; 11-Bottom Shell; 12-Front Panel; 13-Mounting Plate; 131-Cable Tray; 132-High Voltage Area; 133-Signal Interaction Area; 134-Control Power Area; 135-First Control Area; 136-Second Control Area;
[0032] 21-High voltage input connector; 22-High voltage output connector; 23-Load switch QF1; 24-Touch screen; 25-Micro circuit breaker group; 26-Socket LN; 27-Network port group; 28-External terminal; 29-External signal port group; 30-First fuse; 31-Second fuse; 32-Current sensor; 33-Main positive contactor; 34-Main negative contactor; 35-Pre-charge relay; 36-Pre-charge resistor; 37-Switch; 38-Intermediate relay group; 39-Terminal block group; 40-First switching power supply; 41-Second switching power supply; 42-First mounting cover; 43-Industrial computer; 44-I / O module; 45-Second mounting cover; 46-Energy storage controller; 47-Insulating terminal; 48-Run indicator light; 49-Fault indicator light; 50-Emergency start button AN; 51-USB interface; 52-Diode; 53-Grounding busbar. Detailed Implementation
[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0034] Please see Figures 1-4 This embodiment provides a high-voltage control box for an energy storage cabinet, including 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, and a mounting plate 13 fixed in the bottom shell 11 for supporting the components.
[0035] The front panel 12 is arranged from left to right as follows: high voltage input connectors 21B+ and B-, load switch QF1 23, touch screen 24, miniature circuit breaker group 25, socket LN 26, and network port group 27; the miniature circuit breaker group 25 includes multiple miniature circuit breakers QF2, QF3, and QF4, and the network port group 27 includes multiple network ports COM1, COM2, and COM3.
[0036] The rear panel of the bottom shell 11 is provided with high voltage output connectors 22P+ and P-, external terminal 28 and external signal port group 29 from left to right; the external signal port group 29 includes multiple external signal ports GAM, GBM and GCM.
[0037] The mounting plate 13 is divided into multiple areas by the wire groove 131, including a high-voltage area 132, a signal interaction area 133, a control power area 134, a first control area 135, and a second control area 136. The high-voltage area 132 is located on the left side of the mounting plate 13. The signal interaction area 133, the control power area 134, and the first control area 135 are arranged sequentially from front to back on the right side of the mounting plate 13. The second control area 136 is located to the right of the first control area 135.
[0038] The high-voltage zone 132 is equipped with a first fuse 30, a second fuse 31, a current sensor 32, a main positive contactor 33, a main negative contactor 34, a pre-charge relay 35, and a pre-charge resistor 36.
[0039] The signal interaction area 133 is equipped with a switch 37, an intermediate relay group 38, and a terminal block group 39.
[0040] The control power supply area 134 is equipped with a first switching power supply 40 and a second switching power supply 41.
[0041] The first control area 135 is equipped with an industrial computer 43 and an I / O module 44.
[0042] The second control zone 136 is equipped with an energy storage controller 46.
[0043] In some embodiments, the high-voltage input connector 21B+, the first fuse 30, the load switch QF123, the normally open contact of the main positive contactor 33, and the high-voltage output connector 22P+ are connected in sequence via copper busbars; the high-voltage input connector 21B-, the load switch QF123, the current sensor 32, the normally open contact of the main negative contactor 34, and the high-voltage output connector 22P- are connected in sequence via copper busbars; the copper busbars are spatially staggered to maintain a safe distance between them; the pre-charge relay 35 and the pre-charge resistor 36 are connected in series and then connected in parallel with the normally open contact of the main positive contactor 33.
[0044] Specifically, before closing the normally open contact of the main positive contactor 33 to charge the battery system, the pre-charge relay 35 is closed, and the pre-charge resistor 36 is connected in series to the circuit between the energy storage converter PCS and the battery system for pre-charging. After pre-charging is completed, the pre-charge relay 35 is opened, and then the normally open contact of the main positive contactor 33 is closed to charge the battery system. This avoids damage to the contactor caused by the large instantaneous current when the normally open contact of the main positive contactor 33 is directly closed.
[0045] In some embodiments, both ends of the first fuse 30 and the second fuse 31 are provided with insulating terminals 47, and the copper busbars are connected to the first fuse 30 and the second fuse 31 respectively through the insulating terminals 47.
[0046] In some embodiments, the front panel 12 is also provided with status indicator lights, including a running indicator light 48 and a fault indicator light 49, which are respectively located on both sides above the load switch QF1 23.
[0047] In some embodiments, the network port group 27 is located below the micro-break switch group 25 and the socket LN 26; an emergency start button AN 50 is also provided on the front panel 12, and the emergency start button AN 50 is located near the network port group 27.
[0048] In some embodiments, a USB interface 51 is also provided on the front panel 12, and the USB interface 51 is located near the micro-break switch group 25.
[0049] In some embodiments, a first switching power supply 40 is disposed on a mounting plate 13, a first mounting cover 42 is provided above the first switching power supply 40, and a second switching power supply 41 is disposed on the first mounting cover 42; the first switching power supply 40 is an AC / DC switching power supply, and the second switching power supply 41 is a DC / DC switching power supply.
[0050] In some embodiments, the high-voltage zone 132 is further provided with three diodes 52, which are located on the front side of the second control zone 136; the input terminals of the first switching power supply 40 are respectively connected to the three diodes 52.
[0051] In some embodiments, the industrial computer 43 is mounted on the mounting plate 13, and a second mounting cover 45 is provided above the industrial computer 43, and the I / O module 44 is mounted on the second mounting cover 45.
[0052] In some embodiments, a grounding bar 53 is provided at the rear edge of the mounting plate 13 to facilitate centralized grounding.
[0053] Specifically, both the left and right side plates of the bottom shell 11 are provided with heat dissipation vents.
[0054] Specifically, the two ends of the front panel 12 extend outward to form a connecting part for the left and right side panels that extend out of the bottom shell 11. 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 2. The cabinet body 1 does not need to be grounded separately, which improves the installation efficiency.
[0055] Specifically, handles are provided on both ends of the front panel 12 to facilitate the installation of the front panel 12.
[0056] In summary, the high-voltage control box for energy storage cabinets provided by this utility model 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, and a mounting plate 13 fixed in the bottom shell 11 for supporting the components. The front panel 12 is provided with, from left to right, high-voltage input connectors 21B+ and B-, load switch QF1 23, touch screen 24, micro circuit breaker group 25, and socket LN. 26 and network port group 27; the rear panel of the bottom shell 11 is provided with high voltage output connectors 22P+ and P-, external terminals 28 and external signal port group 29 from left to right; the touch screen 24 and the components to be operated are centrally deployed on the front panel 12, which is conducive to observation and operation; the ports that need to be wired are reasonably arranged on the front panel 12 and the rear panel, which is convenient for wiring operation and more aesthetically pleasing; the mounting plate 13 is divided into multiple areas by the wire groove 131, including the high voltage area 132, the signal interaction area 133, the control power area 134, the first control area 135 and the second control area 136; the high voltage area 132 is located on the left side of the mounting plate 13; the signal interaction area 133, the control power area 134 and the first control area 135 are located on the mounting plate 136. The components are arranged sequentially from front to back on the right side of the first control area 135; the second control area 136 is located to the right of the first control area 135; the high-voltage area 132 is equipped with a first fuse 30, a second fuse 31, a current sensor 32, a main positive contactor 33, a main negative contactor 34, a pre-charge relay 35, and a pre-charge resistor 36; the signal interaction area 133 is equipped with a switch 37, an intermediate relay group 38, and a terminal block group 39; the control power supply area 134 is equipped with a first switching power supply 40 and a second switching power supply 41; the first control area 135 is equipped with an industrial computer 43 and an I / O module 44; the second control area 136 is equipped with an energy storage controller 46; the components are installed according to the functional division area to reduce signal interference, improve performance stability, and facilitate installation and operation.
[0057] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model 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 this utility model, but all such changes and modifications fall within the scope of protection of this utility model.
Claims
1. A high-voltage control box for an energy storage cabinet, characterized in that, It includes a housing and components mounted on the housing. The housing 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: high voltage input connectors B+ and B-, load switch QF1, touch screen, micro circuit breaker group, socket LN and network port group; The rear panel of the bottom shell is provided with high voltage output connectors P+ and P-, external terminals and external signal port group from left to right. The mounting plate is divided into multiple areas by wire grooves, including a high-voltage area, a signal interaction area, a control power area, a first control area, and a second control area; the high-voltage area is located on the left side of the mounting plate; the signal interaction area, the control power area, and the first control area are arranged sequentially from front to back on the right side of the mounting plate; the second control area is located to the right of the first control area. The high-voltage zone is equipped with a first fuse, a second fuse, a current sensor, a main positive contactor, a main negative contactor, a pre-charge relay, and a pre-charge resistor; The signal interaction area is equipped with a switch, an intermediate relay group, and a terminal block group; The control power supply area is equipped with a first switching power supply and a second switching power supply. The first control area is equipped with an industrial computer and I / O modules; The second control area is equipped with an energy storage controller.
2. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The high-voltage input connector B+, the first fuse, the load switch QF1, the normally open contact of the main positive contactor, and the high-voltage output connector P+ are connected in sequence via copper busbars; the high-voltage input connector B-, the load switch, the current sensor, the normally open contact of the main negative contactor, and the high-voltage output connector P- are connected in sequence via copper busbars; the copper busbars are spatially staggered to maintain a safe distance between them; the pre-charge relay and the pre-charge resistor are connected in series and then connected in parallel with the normally open contact of the main positive contactor.
3. The high-voltage control box for an energy storage cabinet as described in claim 2, characterized in that, Both ends of the first fuse and the second fuse are provided with insulating terminals, and the copper busbar is connected to the first fuse and the second fuse through the insulating terminals.
4. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The front panel is also equipped with status 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 box for an energy storage cabinet as described in claim 1, characterized in that, The network port group is located below the micro-break switch group and the socket LN; an emergency start button AN is also provided on the front panel, which is located near the network port group.
6. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The front panel is also equipped with a USB interface, which is located near the micro-break switch group.
7. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The first switching power supply is mounted on a mounting plate, and a first mounting cover is provided above the first switching power supply. The second switching power supply is mounted on the first mounting cover. The first switching power supply is an AC / DC switching power supply, and the second switching power supply is a DC / DC switching power supply.
8. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The high-voltage zone is also equipped with three diodes, which are located on the front side of the second control zone; the input terminals of the first switching power supply are respectively connected to the three diodes.
9. The high-voltage control box for an energy storage cabinet as described in claim 1, characterized in that, The industrial control computer is mounted on a mounting plate, and a second mounting cover is provided above the industrial control computer. The I / O module is mounted on the second mounting cover.
10. The high-voltage control box 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.