CN219421414U - High-voltage control box, high-voltage control system and energy storage system - Google Patents
High-voltage control box, high-voltage control system and energy storage system Download PDFInfo
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- CN219421414U CN219421414U CN202223413661.6U CN202223413661U CN219421414U CN 219421414 U CN219421414 U CN 219421414U CN 202223413661 U CN202223413661 U CN 202223413661U CN 219421414 U CN219421414 U CN 219421414U
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- battery management
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- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 36
- 239000010949 copper Substances 0.000 claims description 36
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000003745 diagnosis Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the field of high-voltage battery control, in particular to a high-voltage control box, a high-voltage control system and an energy storage system, wherein the high-voltage control box comprises a control box, a control loop and a battery management system, the control box is provided with a partition plate for supporting the battery management system, the partition plate is used for layering the battery management system and the control loop, the control box is provided with an air cooling heat dissipation module, and the control box and a battery are separately arranged and provided with the air cooling heat dissipation module, so that the heat accumulation of the battery management system is prevented, and the safe operation of the battery management system is ensured; the cluster-level battery and the high-voltage control box are modularized by connecting the cluster-level battery with the high-voltage control box, so that the battery/high-voltage control box is easy to replace and maintain; the energy storage system improves the universality of the high-voltage control system and the energy storage system by externally arranging the terminal resistor module of CAN communication.
Description
Technical Field
The utility model relates to the field of high-voltage battery control, in particular to a high-voltage control box, a high-voltage control system and an energy storage system.
Background
The high-voltage battery system, namely commonly called a battery pack, is generally formed by connecting battery modules in a serial/parallel connection mode and sealing the battery modules into a whole by a shell meeting various requirements. However, in practice, the high-voltage battery system needs to be equipped with accessories such as a Battery Management System (BMS), a cooling system, and a part of low-voltage/high-voltage harness in addition to the battery pack, but is usually installed in an automobile as a whole for ensuring safety and sealability, and is generally regarded as an entire battery pack from the external appearance to the general user.
At present, a battery pack integrating accessories such as a Battery Management System (BMS), a cooling system, part of low-voltage/high-voltage wire harnesses and the like shares a set of heat dissipation system with a battery, and the battery management system has poor heat dissipation effect, is easy to generate heat accumulation at the battery management system and has potential safety hazards; a Battery Management System (BMS) integrally formed with the battery is not detachable, and the battery is difficult to replace.
Therefore, a technical solution is needed to solve the technical problems of poor heat dissipation and difficult battery replacement of the existing battery management system.
Disclosure of Invention
The utility model aims at: aiming at the technical problems that the existing battery management system has poor heat dissipation and the battery is difficult to replace, the high-voltage control box, the high-voltage control system and the energy storage system are provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the high-voltage control box comprises a control box body, a control loop and a battery management system, wherein the control box body is provided with a partition board used for supporting the battery management system, the partition board is used for layering the battery management system and the control loop, and the control box body is provided with an air cooling and heat dissipation module.
According to the high-voltage control box, the control box and the battery are arranged separately, so that the heat accumulation of the battery management system is prevented, the battery management system and the control loop are arranged separately by arranging the partition plate, the battery management system can reduce the electromagnetic interference received while avoiding the heat accumulation, and the air cooling heat dissipation module is arranged in the control box, so that the control box can dissipate heat rapidly, and the operation safety of the control box is ensured.
As a preferable scheme of the utility model, the control box comprises a back plate and side plates, the air cooling heat dissipation module comprises exhaust holes arranged on the side plates and vent holes arranged on the back plate, and the air cooling heat dissipation module further comprises a heat dissipation fan arranged in the control box and corresponding to the vent holes. The ventilation holes are formed in the side plates, and the back plate is provided with the technical means of the cooling fan, so that the cooling fan at the back supplies air into the control box, and air flows towards the side plates at the two sides, thereby achieving good cooling effect.
As a preferable scheme of the utility model, the control loop comprises a positive pole loop and a negative pole loop, wherein the positive pole loop comprises a positive pole input end, a positive fuse, a positive relay, a main loop switch and a positive pole output end which are sequentially connected in series by adopting a first copper bar, the negative pole loop comprises a negative pole input end, a negative fuse, a negative relay, a main loop switch and a negative pole output end which are sequentially connected in series by adopting a second copper bar, and the positive relay and/or the negative relay is connected with the equalizing module in parallel. The control loop is connected through copper bars, and the sectional area of each copper bar is 3 mm or 25mm 2 In particular, the cross-sectional area of the copper bar connected with the fuse is 5 x 25mm 2 The heat dissipation area of the copper bar is increased, and the balance module is arranged to solve the circulation problem between the battery clusters.
As a preferred embodiment of the present utility model, the control box includes a front panel, and the front panel is engaged with the positive electrode input end, the positive electrode output end, the negative electrode input end, and the negative electrode output end. The positive electrode input end, the positive electrode output end, the negative electrode input end and the negative electrode output end are all arranged on the front panel, so that wiring operation is easier.
As a preferable scheme of the utility model, the front panel is also embedded with a knob switch, the knob switch is in control connection with the main loop switch, the positive electrode output end and the negative electrode input end are positioned on the same side of the knob switch, and the positive electrode input end and the negative electrode output end are positioned on the other side of the knob switch. The high-voltage control box can be manually operated by arranging a knob switch connected with the main loop switch; the positive electrode input end, the positive electrode output end, the negative electrode input end and the negative electrode output end are distributed on two sides of the knob switch, so that the probability of wrong connection is reduced.
As a preferable scheme of the utility model, the front panel is embedded with an indicator light, a low-voltage communication interface and a diagnosis interface which are in communication connection with the battery management system, the front panel is also embedded with a first miniature circuit breaker, a second miniature circuit breaker and a power interface, one side of the knob switch is provided with the first miniature circuit breaker, the other side of the knob switch is provided with the second miniature circuit breaker, the first miniature circuit breaker is connected between the cooling fan and the power interface in series, and the second miniature circuit breaker is connected between the power interface and the battery management system in series. The operable modules are integrated on the front panel, so that usability is improved, and the operation is more convenient; the battery management system and the cooling fan are independently connected through the power supply port to supply power independently, so that the stability of the high-voltage control box is improved.
As the preferable scheme of the utility model, the control box comprises an upper box body and a lower box body, the battery management system comprises a BMS main control, the BMS main control is arranged at one end of the control box close to the back plate, the battery management system further comprises an acquisition wiring harness and a communication wiring harness which are wired along the length direction of the control box, the acquisition wiring harness and the communication wiring harness are connected with the BMS main control, one side of the control box is provided with the acquisition wiring harness, the other side of the control box is provided with the communication wiring harness, the acquisition wiring harness and the communication wiring harness are arranged in the lower box body, and a power wiring harness communicated with the power interface is arranged in the upper box body. Communication harness gathers pencil and power pencil separation setting, has avoided the mutual interference between the pencil.
As a preferable scheme of the utility model, the battery management system comprises a temperature sensor arranged in the control box and a shunt connected in series with the positive electrode loop or the negative electrode loop, wherein the temperature sensor and the shunt are both connected with the communication wire harness. And a temperature acquisition and current acquisition module in the control box is added to acquire current and temperature signals.
As a preferable scheme of the utility model, the BMS main control is arranged in the upper layer box body, the balancing module is arranged in the projection of the BMS main control corresponding to the lower layer box body, and the balancing module comprises a circulating relay and a pre-charging resistor which are connected in series. And the balancing module is controlled by the relay, so that the universality of the high-voltage control box is improved, and the circulation problem among the battery clusters is relieved.
As a preferable scheme of the utility model, the positive fuse and/or the negative fuse is provided with a micro switch, the positive relay and the negative relay are in communication connection with the battery management system, and the main loop switch is in control connection with the battery management system. And a microswitch is arranged to monitor the state of the fuse, and the positive relay, the negative relay and the main loop switch are controlled by a battery management system.
As a preferable scheme of the utility model, the bottoms of the positive fuse, the positive relay and the main loop switch are provided with the first copper bar, the bottoms of the negative fuse, the negative relay and the main loop switch (15) are provided with the second copper bar, and the first copper bar and/or the second copper bar comprise soft copper bars. The copper bar is arranged below the component, and the soft copper bar is used to ensure that the copper bar has good machinability, ensure that the copper bar is well contacted with the component and reduce heating.
As a preferred embodiment of the present utility model, the front panel is embedded with a display module, and the display module is connected with the battery management system in a communication manner. And the display module is used for displaying various parameters collected in the battery box.
As a preferred embodiment of the present utility model, the front panel is provided with bonding points in an embedding manner, and/or the front panel is provided with an extension portion, and the extension portion is provided with a through hole. The bonding points are arranged on the front panel, so that the connection state of the bonding points can be directly seen; the through hole is used for being fixedly connected with the cabinet and fixing the control box.
The high-voltage control system comprises the high-voltage control box and further comprises a cluster-level battery, wherein the cluster-level battery is connected with the high-voltage control box.
According to the high-voltage control system, the cluster-level battery is connected with the high-voltage control box, and the high-voltage control box is detachably connected with the cluster-level battery as an independent original piece, so that the cluster-level battery and the high-voltage control box are modularized, the battery/high-voltage control box is easy to replace, and the maintenance is easy.
The energy storage system comprises a terminal resistance module and at least two high-voltage control systems, wherein the terminal resistance module is in CAN communication connection with the high-voltage control systems.
According to the energy storage system, the terminal resistor module is arranged externally, and the terminal resistor module is detachably connected with the high-voltage control box, so that the high-voltage control system can be replaced to any position of communication at will, the high-voltage control system at the beginning end and the ending end of communication is not used for arranging the terminal resistor module in the control system, and the universality of the high-voltage control system and the energy storage system is improved.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the high-voltage control box, the control box and the battery are arranged separately, so that the heat accumulation of the battery management system is prevented, the battery management system and the control loop are arranged separately by arranging the partition plate, the battery management system can reduce the electromagnetic interference received while avoiding the heat accumulation, and the air cooling heat dissipation module is arranged in the control box, so that the control box can dissipate heat rapidly, and the operation safety of the control box is ensured.
2. The high-voltage control box integrates the positive pole loop, the negative pole loop and the battery management system in the control box, so that the control box is detachably connected with the battery, the heat dissipation problem of the battery management system is solved, the functions of the battery management system are perfected, and the high-voltage control box has good economic value.
3. According to the high-voltage control system, the cluster-level battery is connected with the high-voltage control box through the circuit, and the high-voltage control box is detachably connected with the cluster-level battery as an independent original, so that the cluster-level battery and the high-voltage control box are modularized, the battery/high-voltage control box is easy to replace, and the maintenance is easy.
4. According to the energy storage system, the terminal resistor module is arranged externally, and the terminal resistor module is detachably connected with the high-voltage control box, so that the high-voltage control system can be replaced to any position of communication at will, the high-voltage control system at the beginning end and the ending end of communication is not used for arranging the terminal resistor module in the control system, and the universality of the high-voltage control system and the energy storage system is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of a high voltage control box;
FIG. 2 is a schematic view of the structure of the lower case of the high pressure control box;
FIG. 3 is a schematic structural view of a front panel of the high voltage control box;
fig. 4 is a schematic structural view of a side plate of the high-pressure control box;
FIG. 5 is a schematic structural view of the back plate of the high pressure control box;
fig. 6 is an external structural schematic view of the high-voltage control box;
FIG. 7 is a high voltage control circuit schematic of the high voltage control box;
fig. 8 is a schematic view of a connection terminal of the BMS master according to the present utility model;
FIG. 9 is a schematic diagram of a battery management system powered circuit of the present utility model;
FIG. 10 is a schematic diagram of a heat dissipating fan power supply circuit of the present utility model;
fig. 11 is a schematic diagram of control wiring of the heat dissipating fan of the present utility model.
Icon:
1-control box, 2-negative pole circuit, 3-positive pole circuit, 4-battery management system, 5-partition board, 6-balancing module, 7-backplate, 8-curb plate, 9-exhaust hole, 10-ventilation hole, 11-radiator fan, 12-positive pole input, 13-positive fuse, 14-positive relay, 15-main circuit switch, 16-positive pole output, 17-negative pole input, 18-negative fuse, 19-negative relay, 20-negative pole output, 21-front panel, 22-knob switch, 23-pilot lamp, 24-low voltage communication interface, 25-diagnostic interface, 26-power interface, 27-first miniature circuit breaker, 28-second miniature circuit breaker, 29-collection wire harness, 30-communication wire harness, 31-power wire harness, 32-temperature sensor, 33-shunt, 34-loop relay, 35-pre-charge resistor, 36-first copper bar, 37-second copper bar, 38-handle, 39-bonding point, 40-through hole, 41-master control BMS.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The high-voltage control box as shown in fig. 1 to 11 comprises a control box 1, a control loop and a battery management system 4, wherein the control box 1 is provided with a partition board 5 for supporting the battery management system 4, the partition board 5 is used for layering the battery management system 4 and the control loop, and the control box 1 is provided with an air cooling heat dissipation module.
Specifically, the control box 1 includes a back plate 7 and a side plate 8, the air-cooling heat dissipation module includes an exhaust hole 9 provided on the side plate 8 and a ventilation hole 10 provided on the back plate 7, and the air-cooling heat dissipation module further includes a heat dissipation fan 11 provided in the control box 1 and corresponding to the ventilation hole 10.
Specifically, the vent holes 10 are provided as one.
Specifically, the control circuit includes positive pole return circuit 3 and negative pole return circuit 2, positive pole return circuit 3 is including adopting positive pole input 12, positive fuse 13, positive relay 14, main circuit switch 15 and the positive pole output 16 that first copper bar 36 established ties in proper order, negative pole return circuit 2 is including adopting negative pole input 17, negative fuse 18, negative relay 19, main circuit switch 15 and negative pole output 20 that second copper bar 37 established ties in proper order, positive relay 14 and/or negative relay 19 connects balancing module 6 in parallel.
Specifically, the control box 1 includes a front panel 21, where the front panel 21 is embedded in the positive input end 12, the positive output end 16, the negative input end 17, and the negative output end 20.
Specifically, the front panel 21 is further embedded with a knob switch 22, the knob switch 22 is in control connection with the main loop switch 15, the positive electrode output end 16 and the negative electrode input end 17 are located on the same side of the knob switch 22, and the positive electrode input end 12 and the negative electrode output end 20 are located on the other side of the knob switch 22.
Specifically, the knob switch 22 is disposed in the middle of the front panel 21.
Specifically, the positive output terminal 16 and the negative input terminal 17 are located on the left side of the knob switch 22, and the positive input terminal 12 and the negative output terminal 20 are located on the right side of the knob switch 22.
Specifically, along the height direction of the control box 1, the setting position of the positive electrode input end 12 is higher than the setting position of the negative electrode output end 20, and the setting position of the negative electrode input end 17 is higher than the setting position of the positive electrode output end 16.
Specifically, in the width direction of the control box 1, the negative electrode input end 17 and the negative electrode output end 20 are arranged in a staggered manner, the negative electrode input end 17 and the positive electrode output end 16 are arranged in a staggered manner, and opposite to each other, the negative electrode input end 17/the positive electrode input end 12 are far away from the knob switch 22, and the negative electrode output end 20/the positive electrode output end 16 are close to the knob switch 22.
Specifically, the front panel 21 is embedded with the indicator lamp 23, the low-voltage communication interface 24 and the diagnosis interface 25 which are in communication connection with the battery management system 4, the front panel 21 is also embedded with the first miniature circuit breaker 27, the second miniature circuit breaker 28 and the power interface 26, one side of the knob switch 22 is provided with the first miniature circuit breaker 27, the other side is provided with the second miniature circuit breaker 28, the first miniature circuit breaker 27 is connected in series between the cooling fan 11 and the power interface 26, and the second miniature circuit breaker 28 is connected in series between the power interface 26 and the battery management system 4.
Specifically, control box 1 includes upper box and lower floor's box, battery management system 4 includes BMS master control 41, BMS master control 41 set up in control box 1 is close to the one end of backplate 7, battery management system 4 still includes along collection pencil 29 and the communication pencil 30 of walking the line of control box 1 length direction, collection pencil 29 with communication pencil 30 all with BMS master control 41 is connected, one side of control box 1 sets up collection pencil 29, opposite side set up communication pencil 30, collection pencil 29 with communication pencil 30 all set up in lower floor's box, with power supply pencil 31 of power interface 26 intercommunication set up in upper box.
Specifically, the battery management system 4 includes a temperature sensor 32 disposed in the control box 1, and a shunt 33 connected in series to the positive electrode loop 3 or the negative electrode loop 2, where the temperature sensor 32 and the shunt 33 are both connected with the communication harness 30.
Specifically, the two temperature sensors 32 are respectively disposed at the bottom projection position of the copper bar of the lower layer box and the projection position of the BMS master control 41 in the lower layer space.
Specifically, the BMS main control 41 is disposed in the upper layer box, the balancing module 6 is disposed in the projection of the BMS main control 41 corresponding to the lower layer box, and the balancing module 6 includes a loop relay 34 and a pre-charging resistor 35 connected in series.
Specifically, the equalization module 6 is disposed in the positive electrode loop.
Specifically, the positive fuse 13 and/or the negative fuse 18 are provided with micro switches, the positive relay 14 and the negative relay 19 are in communication connection with the battery management system 4, and the main loop switch 15 is in control connection with the battery management system 4.
Specifically, the bottoms of the positive fuse 13, the positive relay 14 and the main circuit switch 15 are provided with the first copper bar 36, the bottoms of the negative fuse 18, the negative relay 19 and the main circuit switch 15 are provided with the second copper bar 37, and the first copper bar 36 and/or the second copper bar 37 comprise soft copper bars.
Specifically, the cross-sectional area of the first copper bar 36/the second copper bar 37 is 3×25mm 2 In particular, the copper bar connected to the positive fuse 13 has a cross-sectional area of 5 x 25mm 2 The cross-sectional area of the copper bar connected to the negative fuse 18 is 5 x 25mm 2 。
Specifically, the front panel 21 is provided with a handle 38, the handle 38 includes a first handle portion and a second handle portion, the first handle portion is fixedly connected with the front panel 21, and the first handle portion is hinged with the second handle portion.
Specifically, the number of the handles 38 is two, and the handles are distributed at the left and right ends of the front panel 21.
Specifically, the front panel 21 is provided with the bonding point 39 in an embedding manner, and/or the front panel 21 is provided with an extension portion, and the extension portion is provided with the through hole 40.
Specifically, the number of the through holes 40 is four, and the through holes are arranged on both sides of the front panel 21.
According to the high-voltage control box, the positive electrode loop 3, the negative electrode loop 2 and the battery management system 4 are integrated in the control box 1, so that the control box and a battery are arranged separately, the battery management system 4 is prevented from accumulating heat, the control box 1 is divided into an upper-layer box body and a lower-layer box body by arranging the partition plate 5, the battery management system 4 is arranged in the upper-layer box body, the positive electrode loop 3 and the negative electrode loop 2 are arranged in the lower-layer box body, the battery management system 4 further avoids accumulating heat, electromagnetic interference is reduced, circulation among battery clusters is treated by arranging the balancing module 6, the stable operation of the battery is ensured, and the function of the high-voltage control box is perfected by expanding the temperature detection/current monitoring module in the control box 1.
Example 2
The high-voltage control box of this embodiment has substantially the same structure as that of embodiment 1, and is different from embodiment 1 in that the front panel 21 is further embedded with a display module, and the display module is communicatively connected to the battery management system 4.
Specifically, the display module is a liquid crystal display.
Example 3
The high-voltage control box of this embodiment has substantially the same structure as that of embodiment 1, and is different from embodiment 1 in that the equalization module 6 is provided in the negative electrode circuit.
Example 4
The high-voltage control box of this embodiment has substantially the same structure as that of embodiment 1, and is different from embodiment 1 in that the upper-layer casing and the lower-layer casing are both provided with temperature sensors 32.
Example 5
The high-voltage control box of this embodiment has substantially the same structure as that of embodiment 1, and is different from embodiment 1 in that the back plate is provided with a plurality of ventilation holes 10, and each ventilation hole is provided with a heat dissipation fan 11.
Example 6
The high-voltage control system is characterized by adopting the high-voltage control box according to any one of embodiments 1-5, and further comprising cluster-level batteries, wherein the cluster-level batteries are connected with the high-voltage control box.
According to the high-voltage control system, the cluster-level battery is connected with the high-voltage control box through the circuit, and the high-voltage control box is detachably connected with the cluster-level battery as an independent original, so that the cluster-level battery and the high-voltage control box are modularized, the battery/high-voltage control box is easy to replace, and the maintenance is easy.
Example 7
The energy storage system comprises a terminal resistance module and at least two high-voltage control systems according to embodiment 6, wherein the terminal resistance module is in CAN communication connection with the high-voltage control systems.
Specifically, based on the characteristics of CAN communication, a termination resistor module needs to be connected to a communication line.
Specifically, the termination resistor module can be connected with the high-voltage control system in a matched mode.
Specifically, the terminal resistor module is a resistor with a resistance value of 120 ohms.
Specifically, the terminal resistor module can be directly detachably connected with the communication interface of the high-voltage control system.
According to the energy storage system, the terminal resistor module is arranged externally, and the terminal resistor module is detachably connected with the high-voltage control box, so that the high-voltage control system can be replaced to any position of communication at will, the high-voltage control system at the beginning end and the ending end of communication is not used for arranging the terminal resistor module in the control system, and the universality of the high-voltage control system and the energy storage system is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (14)
1. The high-voltage control box is characterized by comprising a control box (1), a control loop and a battery management system (4), wherein the control box (1) is provided with a partition board (5) for supporting the battery management system (4), the partition board (5) is used for layering the battery management system (4) and the control loop, and the control box (1) is provided with an air cooling heat dissipation module.
2. The high-pressure control box according to claim 1, wherein the control box (1) comprises a back plate (7) and side plates (8), the air-cooling heat dissipation module comprises exhaust holes (9) arranged on the side plates (8) and ventilation holes (10) arranged on the back plate (7), and the air-cooling heat dissipation module further comprises a heat dissipation fan (11) arranged in the control box (1) corresponding to the ventilation holes (10).
3. The high voltage control box according to claim 2, characterized in that the control loop comprises a positive pole loop (3) and a negative pole loop (2), the positive pole loop (3) comprises a positive pole input end (12), a positive fuse (13), a positive relay (14), a main loop switch (15) and a positive pole output end (16) which are sequentially connected in series by a first copper bar (36), the negative pole loop (2) comprises a negative pole input end (17), a negative fuse (18), a negative relay (19), a main loop switch (15) and a negative pole output end (20) which are sequentially connected in series by a second copper bar (37), and the positive relay (14) and/or the negative relay (19) are connected in parallel to the balancing module (6).
4. A high voltage control box according to claim 3, characterized in that the control box (1) comprises a front panel (21), the front panel (21) being in engagement with the positive input (12), the positive output (16), the negative input (17) and the negative output (20).
5. The high voltage control box according to claim 4, characterized in that the front panel (21) is further embedded with a knob switch (22), the knob switch (22) is in control connection with the main circuit switch (15), the positive electrode output end (16) and the negative electrode input end (17) are located on the same side of the knob switch (22), and the positive electrode input end (12) and the negative electrode output end (20) are located on the other side of the knob switch (22).
6. The high-voltage control box according to claim 5, characterized in that the front panel (21) is embedded with an indicator lamp (23), a low-voltage communication interface (24) and a diagnosis interface (25) which are in communication connection with the battery management system (4), the front panel (21) is also embedded with a first miniature circuit breaker (27), a second miniature circuit breaker (28) and a power interface (26), one side of the knob switch (22) is provided with the first miniature circuit breaker (27), the other side is provided with the second miniature circuit breaker (28), the first miniature circuit breaker (27) is connected in series between the radiator fan (11) and the power interface (26), and the second miniature circuit breaker (28) is connected in series between the power interface (26) and the battery management system (4).
7. The high-voltage control box according to claim 6, wherein the control box (1) comprises an upper box body and a lower box body, the battery management system (4) comprises a BMS main control (41), the BMS main control (41) is arranged at one end, close to the back plate (7), of the control box (1), the battery management system (4) further comprises an acquisition wire harness (29) and a communication wire harness (30) which are routed along the length direction of the control box (1), the acquisition wire harness (29) and the communication wire harness (30) are connected with the BMS main control (41), the acquisition wire harness (29) is arranged at one side of the control box (1), the communication wire harness (30) is arranged at the other side, and the acquisition wire harness (29) and the communication wire harness (30) are both arranged at the lower box body, and a power wire harness (31) communicated with the power interface (26) is arranged at the upper box body.
8. The high-voltage control box according to claim 7, characterized in that the battery management system (4) comprises a temperature sensor (32) arranged in the control box (1), and further comprises a shunt (33) connected in series with the positive electrode loop (3) or the negative electrode loop (2), wherein the temperature sensor (32) and the shunt (33) are connected with the communication wire harness (30).
9. The high-voltage control box according to claim 7, characterized in that the BMS master control (41) is arranged in the upper layer box, the balancing module (6) is arranged in a projection of the BMS master control (41) corresponding to the lower layer box, and the balancing module (6) comprises a circulating relay (34) and a pre-charging resistor (35) which are connected in series.
10. The high voltage control box according to any of the claims 3 to 9, characterized in that the positive fuse (13) and/or the negative fuse (18) are provided with micro switches, the positive relay (14) and the negative relay (19) being in communication connection with the battery management system (4), the main circuit switch (15) being in control connection with the battery management system (4).
11. The high voltage control box according to any of the claims 3 to 9, characterized in that the bottom of the positive fuse (13), the positive relay (14) and the main circuit switch (15) is provided with the first copper bar (36), the bottom of the negative fuse (18), the negative relay (19) and the main circuit switch (15) is provided with the second copper bar (37), the first copper bar (36) and/or the second copper bar (37) comprises soft copper bars.
12. The high-voltage control box according to any one of claims 4 to 9, characterized in that the front panel (21) is provided with an engagement point (39) and/or that the front panel (21) is provided with an extension provided with a through hole (40).
13. A high voltage control system comprising a high voltage control box according to any of claims 1-12, and further comprising a cluster-level battery, said cluster-level battery being connected to said high voltage control box.
14. The energy storage system is characterized by comprising a terminal resistance module and at least two high-voltage control systems according to claim 13, wherein the terminal resistance module is in CAN communication connection with the high-voltage control systems.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223413661.6U CN219421414U (en) | 2022-12-20 | 2022-12-20 | High-voltage control box, high-voltage control system and energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223413661.6U CN219421414U (en) | 2022-12-20 | 2022-12-20 | High-voltage control box, high-voltage control system and energy storage system |
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| Publication Number | Publication Date |
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| CN219421414U true CN219421414U (en) | 2023-07-25 |
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| CN202223413661.6U Active CN219421414U (en) | 2022-12-20 | 2022-12-20 | High-voltage control box, high-voltage control system and energy storage system |
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| Country | Link |
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| CN (1) | CN219421414U (en) |
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