CN221202171U - Automatic power-down protection device of energy storage high-voltage box - Google Patents
Automatic power-down protection device of energy storage high-voltage box Download PDFInfo
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- CN221202171U CN221202171U CN202322479191.1U CN202322479191U CN221202171U CN 221202171 U CN221202171 U CN 221202171U CN 202322479191 U CN202322479191 U CN 202322479191U CN 221202171 U CN221202171 U CN 221202171U
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- battery pack
- circuit breaker
- port
- energy storage
- management module
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- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses an automatic power-down protection device of an energy storage high-voltage box, which comprises the following components: the battery pack management module is connected with the external charging and discharging device and used for controlling the charging and discharging device to charge and discharge the battery pack, and the battery pack management module is used for monitoring the state of the battery pack and outputting a state signal; the shunt control module is respectively connected with the battery pack management module and the battery pack, and receives a state signal sent by the battery pack management module and controls the on-off of the battery pack; the direct current conversion module is respectively connected with the shunt control module and the battery pack management module, and is used for receiving the electric energy output by the shunt module and providing the electric energy for the battery pack management module. The problem of adopt ordinary electric connection method to lead to the consumption loss great in the current product is solved.
Description
Technical Field
The utility model belongs to the technical field of energy storage, and particularly relates to an automatic power-down protection device for an energy storage high-voltage box.
Background
The existing product adopts a normal electric connection method, the DCDC input end is directly hung on the battery pack input loop in a standby state, the DCDC output end and the BMS connection part are provided with a manual switch, so that the power consumption of the DCDC cannot be controlled, and the BMS can only be controlled to sleep and enter low-power operation by depending on the BMS logic under the condition that manual intervention is not performed, so that the power consumption loss of the product is large, and potential safety hazards exist.
Disclosure of utility model
The technical solution of the utility model is as follows: the automatic power-down protection device for the energy storage high-voltage box solves the problem that the power consumption loss is large due to the adoption of a normal electric connection method in the existing product.
The technical scheme of the utility model is as follows: the utility model provides an automatic power-down protection device of an energy storage high-voltage box, which comprises the following components:
The battery pack management module is connected with the external charging and discharging device and used for controlling the charging and discharging device to charge and discharge the battery pack, and the battery pack management module is used for monitoring the state of the battery pack and outputting a state signal;
The shunt control module is respectively connected with the battery pack management module and the battery pack, and receives a state signal sent by the battery pack management module and controls the on-off of the battery pack;
the direct current conversion module is respectively connected with the shunt control module and the battery pack management module, and is used for receiving the electric energy output by the shunt module and providing the electric energy for the battery pack management module.
Further, the shunt control module includes:
The circuit breaker is respectively connected with the battery pack and the charging device;
The contact detection circuit is arranged on one side close to the circuit breaker, detects the on-off state of the circuit breaker and outputs a contact state signal to the battery management system;
And the release is arranged on one side close to the circuit breaker and used for controlling the on-off of the circuit breaker.
Further, the circuit breaker includes: a first port connected with the positive electrode of the charge-discharge device, a second port connected with the positive electrode of the battery pack, a third port connected with the negative electrode of the charge-discharge device and a fourth port connected with the negative electrode of the battery pack; the circuit breaker is provided with a magnetic attraction structure, if the circuit breaker is closed, the first port and the second port attract each other, and the third port and the fourth port attract each other.
Further, the release is a magnetic coil; when the release is a passage, the first port of the circuit breaker is disconnected with the second port of the circuit breaker, and the third port of the circuit breaker is disconnected with the fourth port of the circuit breaker.
Further, both ends of the contact detection circuit are connected with the battery management system to form a loop.
Further, the contact state signal is a digital quantity signal; and outputting 0 if the circuit breaker is in a closed state, and outputting 1 otherwise.
Further, the circuit breaker is provided with a mechanical spring buckle; if the breaker is opened, the mechanical spring buckle is sprung.
Further, a detection switch is arranged on the contact detection circuit; and if the mechanical spring buckle is sprung, the detection switch is disconnected, and the contact state signal outputs 0.
Further, the battery pack management module is connected with the circuit breaker and is used for measuring the voltage and current of the charging and discharging of the battery pack; and if the voltage and the current exceed preset values, outputting an enabling signal to the release.
Further, the battery pack management system outputs the enabling signal to the release, the release is magnetically exclusive to the circuit breaker, and the circuit breaker is disconnected.
The beneficial effects of the utility model are as follows:
By arranging the shunt control module, the power-down protection can be performed according to the working condition of the battery pack without manual intervention, so that the potential safety hazard is reduced; the battery pack management module judges whether the battery pack is in an under-voltage, under-current or long-time standby state, enables the shunt control module to cut off a power supply in time, and reduces energy consumption; the direct current conversion module is connected with the shunt module, and compared with the direct connection with the battery pack, the direct current conversion module can cut off the power supply in time, and the energy consumption of the product is reduced.
Drawings
FIG. 1 is a block diagram of an automatic power-down protection device for an energy storage high-voltage box;
FIG. 2 is a circuit structure diagram of an automatic power-down protection device for an energy storage high-voltage box, which is provided by the application;
fig. 3 is a circuit configuration diagram of the shunt control module in fig. 2.
Description of the figure:
The system comprises a 1-shunt control module, a 2-direct current conversion module and a 3-battery pack management module;
11-circuit breaker, 12-contact detection circuit, 13-release;
111-first port, 112-second port, 113-third port, 114-fourth port, 121-detection switch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present disclosure, the terms "first," "second," and the like are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply relative importance or quantity of the indicated devices, elements, or components. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The implementation of the utility model is described in detail below with reference to the specific drawings:
Fig. 1 is a structural block diagram of an automatic power-down protection device for an energy storage high-voltage box, wherein as shown in fig. 1, a shunt control module 1 is connected with a battery pack to control on-off of output of the battery pack, and the other end of the shunt control module is connected with a direct current conversion module 2; the direct current conversion module 2 converts and outputs the direct current output by the battery pack to the battery pack management module 3 for use, and the battery pack management module 3 is used for judging whether the battery pack is in an under-voltage, under-current or long-time standby state, if so, the direct current conversion module 2 and the battery pack management module 3 are timely cut off power supply by outputting a state signal to enable the shunt control module 1. In the prior art, the direct current conversion module 2 is directly connected with the battery pack, the power consumption is uncontrollable, and the power supply of the battery pack management module 3 is manually controlled by a manual switch. The shunt control module 1 is added, and the battery pack management module 3 can enable the shunt control module 1 to cut off the power supply of the direct current conversion module 2 and the battery pack management module 3 in time according to the working state, so that the energy consumption is saved, and the potential safety hazard is reduced. The battery pack management module 3 is connected with an external charging and discharging device, and can control the charging and discharging of the battery pack according to parameters of the battery pack.
Fig. 2 is a circuit structure diagram of an automatic power-down protection device for an energy storage high-voltage box, and as shown in fig. 2, a shunt control module 1 comprises a circuit breaker 11, a contact detection circuit 12 and a release 13; the direct current conversion module 2 is a DC/DC conversion circuit, and converts the electric energy output by the battery pack into direct current for the battery pack management module 3 to use. In the application, a breaker 11 is added between the battery pack and the DC/DC conversion circuit to control the on-off of the DC/DC conversion circuit.
Fig. 3 is a circuit configuration diagram of the shunt control module in fig. 2, as shown in fig. 3, the circuit breaker 11 includes a first port 111, a second port 112, a third port 113 and a fourth port 114, in the on state, a fixed magnetic attraction structure is arranged on the circuit breaker 11, the first port 111 attracts the second port 112, the third port 113 attracts the fourth port 114, and the circuit breaker 11 is closed.
If the breaker 11 is opened, the release 13 pulls the operating mechanism to act, the switch is tripped instantaneously, the direct current conversion module 2 and the battery pack management module 3 are automatically powered off, and the breaker 11 is required to be closed manually for restarting.
The contact detection circuit 12 detects whether the breaker 11 is opened, a mechanical snap is arranged on the breaker 11, when the breaker is opened, the mechanical snap is snapped to drive the detection switch 121 on the contact detection circuit 12 to be opened, both ends of the contact detection circuit 12 are connected with the battery pack management module 3 to output a state signal, the state signal is a digital quantity signal, if the contact detection circuit 12 is opened, 0 is output to the battery pack management module 3, otherwise, 1 is output.
The release 13 is a magnetic coil, both ends of the release 13 are connected with the battery pack management module 3, and if the battery pack management module 3 detects that the battery pack has under-voltage, under-current or is in a long-time standby state and is effective through the high sides of the H_OUT6 pin and the PWR-pin, the release 13 is output by providing a 24V voltage output continuous 1S enabling signal, and the enabling signal is determined according to the parameters of the magnetic coil, and is a 24V and 1S channel signal in the embodiment. The path signal is set for a short duration, otherwise there is a risk of burning out the coil. At this time, the release 13 is magnetically exclusive to the circuit breaker 11, and the circuit breaker 11 is opened. If the contact detection circuit 12 detects that the circuit breaker 11 is not opened, the release 13 repeatedly outputs the enable signal until the contact detection circuit 12 receives the opened signal.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. An automatic power-down protection device of an energy storage high-voltage box is characterized by comprising:
The battery pack management module is connected with the external charging and discharging device and used for controlling the charging and discharging device to charge and discharge the battery pack, and the battery pack management module is used for monitoring the state of the battery pack and outputting a state signal;
The shunt control module is respectively connected with the battery pack management module and the battery pack, and receives a state signal sent by the battery pack management module and controls the on-off of the battery pack;
The direct current conversion module is respectively connected with the shunt control module and the battery pack management module, and is used for receiving the electric energy output by the shunt control module and providing the electric energy for the battery pack management module.
2. The automatic power-down protection device for an energy storage high-voltage tank of claim 1, wherein the shunt control module comprises:
The circuit breaker is respectively connected with the battery pack and the charging and discharging device;
The contact detection circuit is arranged on one side close to the circuit breaker, detects the on-off state of the circuit breaker and outputs a contact state signal to the battery management system;
And the release is arranged on one side close to the circuit breaker and used for controlling the on-off of the circuit breaker.
3. An automatic power-down protection device for an energy storage high voltage tank as claimed in claim 2, wherein said circuit breaker comprises: a first port connected with the positive electrode of the charge-discharge device, a second port connected with the positive electrode of the battery pack, a third port connected with the negative electrode of the charge-discharge device and a fourth port connected with the negative electrode of the battery pack; the circuit breaker is provided with a magnetic attraction structure, if the circuit breaker is closed, the first port and the second port attract each other, and the third port and the fourth port attract each other.
4. The automatic power-down protection device for an energy storage high-voltage box according to claim 3, wherein the release is a magnetic coil; when the release is a passage, the first port of the circuit breaker is disconnected with the second port of the circuit breaker, and the third port of the circuit breaker is disconnected with the fourth port of the circuit breaker.
5. An automatic power-down protection device for an energy storage high-voltage box according to claim 2, wherein both ends of the contact detection circuit are connected with the battery management system to form a loop.
6. The automatic power-down protection device for an energy storage high-voltage box according to claim 5, wherein the contact state signal is a digital quantity signal; and outputting 0 if the circuit breaker is in a closed state, and outputting 1 otherwise.
7. The automatic power-down protection device for an energy storage high-voltage box according to claim 6, wherein the circuit breaker is provided with a mechanical spring buckle; if the breaker is opened, the mechanical spring buckle is sprung.
8. The automatic power-down protection device for the energy storage high-voltage box according to claim 7, wherein a detection switch is arranged on the contact detection circuit; and if the mechanical spring buckle is sprung, the detection switch is disconnected, and the contact state signal outputs 0.
9. The automatic power-down protection device for an energy storage high-voltage box according to claim 2, wherein the battery pack management module is connected with the circuit breaker and is used for measuring the voltage and current of the charge and discharge of the battery pack; and if the voltage and the current exceed preset values, outputting an enabling signal to the release.
10. The automatic power-down protection device of an energy storage high-voltage box according to claim 9, wherein the battery management system outputs the enabling signal to the release, the release is magnetically exclusive to the circuit breaker, and the circuit breaker is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479191.1U CN221202171U (en) | 2023-09-13 | 2023-09-13 | Automatic power-down protection device of energy storage high-voltage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479191.1U CN221202171U (en) | 2023-09-13 | 2023-09-13 | Automatic power-down protection device of energy storage high-voltage box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221202171U true CN221202171U (en) | 2024-06-21 |
Family
ID=91520186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322479191.1U Active CN221202171U (en) | 2023-09-13 | 2023-09-13 | Automatic power-down protection device of energy storage high-voltage box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221202171U (en) |
-
2023
- 2023-09-13 CN CN202322479191.1U patent/CN221202171U/en active Active
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