CN212063567U - Power supply device for retired power battery - Google Patents
Power supply device for retired power battery Download PDFInfo
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- CN212063567U CN212063567U CN202021024142.9U CN202021024142U CN212063567U CN 212063567 U CN212063567 U CN 212063567U CN 202021024142 U CN202021024142 U CN 202021024142U CN 212063567 U CN212063567 U CN 212063567U
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- power battery
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Abstract
The utility model relates to a power battery technical field discloses a retired power battery power supply unit, utilize the power consumption return circuit including power battery group, battery management system module, high-voltage distribution box, echelon, power battery group includes the retired power battery module of a plurality of different attenuation degrees, and a plurality of retired power battery modules are parallelly connected, and power battery group is connected with battery management system module electricity, and echelon utilizes the power consumption return circuit to include a plurality of parallelly connected power consumption return circuits, and the output in a plurality of power consumption return circuits is not identical, can utilize in order in the retired power battery residual electric quantity and the residual power supply ability of performance retired power battery, slows down the too fast decay of retired power battery capacity, is favorable to the echelon utilization of retired power battery.
Description
Technical Field
The utility model relates to a power battery technical field specifically relates to a retired power battery power supply unit.
Background
The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. According to the prediction of the China automobile technology research center, in 2018 and 2020, the national accumulated scrapped power battery reaches 12-20 ten thousand tons, and in 2025, the annual scrapped amount of the power battery reaches 35 ten thousand tons, and the information published by the industry and informatization department also shows that the accumulated matching amount of the power battery in China exceeds 131GWH, and the industrial scale is the first in the world. The capacity of the retired power battery is 80 percent, the energy density is far higher than that of a lead-acid battery, and the retired power battery has high use value.
CN210053217U discloses a device suitable for the ladder utilization of retired power battery, the device includes: a three-phase cascaded topology, each phase comprising a plurality of power conversion modules connected in series; each power conversion module comprises an AC/DC power conversion unit and an retired power battery system; the retired power battery system is connected with the AC/DC power conversion unit in parallel; when the retired power battery system is detected to be in an unbalanced state, the AC/DC power conversion unit adjusts the voltage value of the retired power battery system so that the retired power battery system is balanced; the power conversion module further includes: the DC/DC bidirectional converter is connected with the retired power battery system in parallel and used for adjusting the voltage of the retired power battery system.
At present, retired batteries are mainly used for power supply of places such as certain streets and parks, one battery pack is usually adopted to correspond to one electric device, and charging and discharging management of the battery pack is extensive, so that the capacity of a power battery is attenuated too fast to cause scrapping, and the retired power battery is not favorable for gradient utilization.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a retired power battery power supply device, retired power battery power supply device includes power battery, battery management system module, high voltage distribution box, echelon utilization power consumption return circuit, power battery is connected with the high voltage distribution box electricity, echelon utilization power consumption return circuit includes a plurality of parallelly connected power consumption return circuits, and the output power of a plurality of power consumption return circuits is not exactly the same; the power battery pack comprises a plurality of retired power battery modules with different attenuation degrees, the retired power battery modules are connected in parallel, and the power battery pack is electrically connected with the battery management system module.
Furthermore, at least one trigger switch assembly is arranged between any one of the power utilization circuits in the echelon utilization power utilization circuit and the high-voltage distribution box for controlling the on-off of the power utilization circuit and the high-voltage distribution box.
Further, the trigger switch assembly is provided with a pre-charging loop connected in parallel, and the pre-charging loop comprises a pre-charging resistor and a pre-charging switch and is used for pre-charging the electricity utilization loop.
Furthermore, the retired power battery power supply device further comprises a plurality of power utilization load output interfaces, and the plurality of power utilization load output interfaces connected in parallel are electrically connected with the high-voltage distribution box.
Further, the output power of the output interfaces of the plurality of electric loads is not identical.
Furthermore, the plurality of electric load output interfaces comprise a direct current electric load output interface and an alternating current electric load output interface, and a DC/DC module is arranged between the direct current electric load output interface and the high-voltage distribution box;
an inverter module is arranged between the alternating current electric load output interface and the high-voltage distribution box.
Furthermore, it is a plurality of with electrical load output interface with be provided with independent control module between the high voltage distribution box, control module is used for controlling the electric energy output of electrical load output interface, retired power battery power supply unit still includes central control module, a plurality of control module are connected with central control module electricity respectively.
Furthermore, the retired power battery power supply device further comprises a solar charging loop, the solar charging loop comprises a plurality of groups of solar panels and a voltage conversion module, the solar panels are electrically connected with the voltage conversion module, the voltage conversion module is electrically connected with the high-voltage distribution box, and the voltage conversion module is used for voltage conversion after the solar panels generate electricity.
Furthermore, the retired power battery power supply device further comprises multiple groups of leakage sensors and/or multiple groups of insulation resistance monitoring modules, wherein each group of power utilization circuits is at least provided with one leakage sensor and/or at least provided with one insulation resistance monitoring module.
Furthermore, the retired power battery power supply device further comprises a plurality of groups of current sensors, and each group of the power utilization loop is at least provided with one group of the current sensors.
Through the technical scheme, a plurality of retired power battery modules with different attenuation degrees of the power battery pack are connected in parallel and are respectively electrically connected with the high-voltage distribution box, a plurality of parallel power utilization loops connected with the retired power battery modules with different attenuation degrees are used for outputting interfaces aiming at different power utilization loads, for example, the retired power battery modules with high attenuation degrees are low in output power from the power utilization load output interfaces and can provide low-voltage direct-current charging loads or power utilization loads, the retired power battery modules with low attenuation degrees are high in output power from the power utilization load output interfaces and can provide alternating-current charging loads with high power, so that the residual power quantity in the retired power batteries can be orderly utilized and the residual power supply capacity of the retired power batteries can be exerted, the too-fast attenuation of the capacity of the retired power batteries is reduced, and the stepped utilization of the retired power batteries is facilitated.
Drawings
Fig. 1 is a circuit logic diagram of a retired power battery power supply device according to an embodiment of the present invention.
Detailed Description
The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus; "bottom", "inner wall" refers to the bottom, inner wall surface of the cavity interior space in relation to the device assembly drawing, "fixed" or "fixed connection" generally refers to common mechanical connection means, such as screwing, welding or gluing.
Aiming at the problems that the capacity of a retired power battery is too fast to be attenuated and the retired power battery is scrapped due to extensive charging and discharging management in the background art, and the retired power battery is not beneficial to the echelon utilization of the retired power battery, as shown in figure 1, the utility model provides a retired power battery power supply device, which comprises a power battery pack, a battery management system module, a high-voltage distribution box and an echelon utilization power utilization loop, wherein the power battery pack is electrically connected with the high-voltage distribution box, the echelon utilization power utilization loop comprises a plurality of parallel power utilization loops, and the output powers of the plurality of power utilization loops are not completely the same; the power battery pack comprises a plurality of retired power battery modules with different attenuation degrees, the retired power battery modules are connected in parallel, and the power battery pack is electrically connected with the battery management system module.
The retired power battery power supply device is characterized in that a plurality of retired power battery modules with different attenuation degrees are connected in parallel with the power battery pack, and are respectively electrically connected with the high-voltage distribution box, a plurality of parallel power utilization loops of the retired power battery modules with different attenuation degrees are connected with the power utilization loops aiming at different power utilization load output interfaces, for example, the retired power battery module with high attenuation degree outputs low power from the electric load output interface, can provide low-voltage direct current charging load or electric load, the retired power battery module with low attenuation degree has high output power from the electric load output interface, the alternating current charging load with larger power can be provided, so that the residual electric quantity in the retired power battery can be orderly utilized, the residual power supply capacity of the retired power battery can be exerted, the too fast attenuation of the capacity of the retired power battery is reduced, and the echelon utilization of the retired power battery is facilitated.
In order to change and switch the retired power battery module of a plurality of different attenuation degrees conveniently the utility model discloses under the more preferred condition, a plurality of different attenuation degrees through can dismantling the connection between the casing of retired power battery module, the retired power battery module electrode is not connected each other.
In order to independently control each the closing and the disconnection of power consumption return circuit, in the utility model discloses under the preferred condition, in the echelon utilization power consumption return circuit any power consumption return circuit with be provided with a trigger switch subassembly at least between the high voltage distribution box electricity is connected for control power consumption return circuit with the closing and the disconnection of electricity connection between the high voltage distribution box.
In order to prevent the electric load from being damaged due to the sudden increase of voltage and current generated when each electric circuit is switched on or closed, in the preferred aspect of the present invention, the trigger switch assembly is provided with a pre-charging circuit connected in parallel, and the pre-charging circuit includes a pre-charging resistor and a pre-charging switch, and is used for pre-charging the electric circuit.
In order to be directed against each the power consumption load output interface that sets up different power with the electric circuit for the retirement power battery module of different attenuation degrees is pointed to and is exported not equidimension power the utility model discloses under the preferred condition, retirement power battery power supply unit still includes a plurality of power consumption load output interfaces, a plurality of parallelly connected power consumption load output interfaces with the high-voltage distribution box electricity is connected. Under the more preferred condition of the utility model, the retired power battery module that the attenuation degree is high is low from power load output interface output power, can provide low pressure direct current charging load or power load, the retired power battery module that the attenuation degree is low is high from power load output interface output power, can provide the alternating current charging load that power is great, for example, retired power battery module that the attenuation degree is high can provide the power consumption equipment that power is less, for example, cell-phone USB 5V charges, notebook computer 20V charges, electric bicycle lead-acid battery 12V direct current charges, fire emergency lighting etc.; and the retired power battery module with the attenuation degree can be provided for electric equipment with larger power, such as court night lighting and the like.
In order to export the electric energy of different power degree to the retired power battery of different exhaustion degree, utilize retired power battery residual capacity and discharge capacity echelon more effectively under the utility model discloses under the preferred condition, it is a plurality of with electric load output interface output not identical.
In order to output electric energy with different power degrees aiming at the retired power batteries with different exhaustion degrees and meet the requirement that the retired power battery power supply device outputs various electric energy forms with different forms, under the preferable condition of the utility model, a plurality of electric load output interfaces comprise a direct current electric load output interface and an alternating current electric load output interface, and a DC/DC module is arranged between the direct current electric load output interface and the high-voltage distribution box; an inverter module is arranged between the alternating current electric load output interface and the high-voltage distribution box.
For the output energy supply of every power consumption load output interface electric energy of independent control better the utility model discloses under the preferred condition, it is a plurality of power consumption load output interface with be provided with independent control module between the high voltage distribution box, control module is used for control the electric energy output of power consumption load output interface.
In order to better independently control the output energy supply of every power consumption load output interface electric energy the utility model discloses under the preferred condition, retired power battery power supply unit still includes central control module, a plurality of control module are connected with central control module electricity respectively. In a more preferred aspect of the present invention, the plurality of control modules are respectively connected to a central control module via a network, for example, a bluetooth or wireless network.
Generate the electric energy to charge to retired power battery power supply unit for make full use of distributed generation, promote the lasting power supply ability of retired power battery power supply unit the utility model discloses under the preferred condition, retired power battery power supply unit still includes the solar charging return circuit, the solar charging return circuit includes multiunit solar panel and voltage conversion module, the solar panel with voltage conversion module electricity is connected, the voltage conversion module with high-voltage distribution box electricity is connected, the voltage conversion module is used for voltage conversion after the solar panel electricity generation.
In order to organize each electrical apparatus trouble or the hidden danger that the electric leakage appears in the power consumption return circuit, insulation resistance undersize leads to carries out real-time supervision the utility model discloses under the preferred condition, retired power battery power supply unit still includes multiunit leakage sensor and/or multiunit insulation resistance monitoring module, each group set up one at least with the power consumption return circuit leakage sensor and/or each group set up an insulation resistance monitoring module with the power consumption return circuit at least.
In order to monitor each group the change with electric loop current the utility model discloses under the preferred condition, retired power battery power supply unit still includes multiunit current sensor, each group set up a set ofly at least with electric loop current sensor.
In a more preferable aspect of the present invention, the current sensor is a non-contact current sensor, such as a hall current sensor.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because some steps can be performed in other sequences or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The retired power battery power supply device is characterized by comprising a power battery pack, a battery management system module, a high-voltage distribution box and a echelon utilization power utilization loop, wherein the power battery pack is electrically connected with the high-voltage distribution box; the power battery pack comprises a plurality of retired power battery modules with different attenuation degrees, the retired power battery modules are connected in parallel, and the power battery pack is electrically connected with the battery management system module.
2. The decommissioned power battery supply unit according to claim 1, wherein at least one trigger switch assembly is disposed between any one of the power utilization circuits and the high voltage distribution box for controlling the closing and opening of the electrical connection between the power utilization circuit and the high voltage distribution box.
3. The retired power battery supply unit according to claim 2, wherein the trigger switch assembly is provided with a pre-charge circuit connected in parallel, the pre-charge circuit comprising a pre-charge resistor and a pre-charge switch for pre-charging the charging circuit.
4. The decommissioned power battery supply apparatus according to claim 1, further comprising a plurality of electrical load output interfaces, the plurality of electrical load output interfaces in parallel electrically connected to the high voltage distribution box.
5. The decommissioned power battery supply unit according to claim 4, wherein the output power of the plurality of electrical load output interfaces is not identical.
6. The decommissioned power battery supply unit according to claim 4, wherein the plurality of power load output interfaces comprise a direct current power load output interface and an alternating current power load output interface, and a DC/DC module is arranged between the direct current power load output interface and the high voltage distribution box;
an inverter module is arranged between the alternating current electric load output interface and the high-voltage distribution box.
7. The decommissioned power battery supply unit according to claim 4, wherein an independent control module is arranged between a plurality of the electric load output interfaces and the high-voltage distribution box, and the control module is used for controlling the electric energy output of the electric load output interfaces;
the retired power battery power supply device further comprises a central control module, and the control modules are electrically connected with the central control module respectively.
8. The decommissioned power battery supply unit according to claim 1, further comprising a solar charging loop, wherein the solar charging loop comprises multiple sets of solar panels and voltage conversion modules, the solar panels are electrically connected with the voltage conversion modules, the voltage conversion modules are electrically connected with the high voltage distribution box, and the voltage conversion modules are used for voltage conversion after the solar panels generate electricity.
9. The decommissioned power battery supply device according to any one of claims 1 to 8, further comprising multiple sets of leakage sensors and/or multiple sets of insulation resistance monitoring modules, wherein at least one leakage sensor is provided for each set of the power utilization circuits and/or at least one insulation resistance monitoring module is provided for each set of the power utilization circuits.
10. The decommissioned power battery supply device according to any one of claims 1-8, further comprising a plurality of sets of current sensors, at least one set of the current sensors being provided for each set of the power utilization circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024142.9U CN212063567U (en) | 2020-06-05 | 2020-06-05 | Power supply device for retired power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024142.9U CN212063567U (en) | 2020-06-05 | 2020-06-05 | Power supply device for retired power battery |
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| Publication Number | Publication Date |
|---|---|
| CN212063567U true CN212063567U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024142.9U Active CN212063567U (en) | 2020-06-05 | 2020-06-05 | Power supply device for retired power battery |
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|---|---|
| CN (1) | CN212063567U (en) |
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- 2020-06-05 CN CN202021024142.9U patent/CN212063567U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230227 Address after: No. 311, Building B, Jinlan Building, No. 33, Zhaoqiang Road, Mawei District, Fuzhou City, Fujian Province, 350000 (within the Free Trade Zone) Patentee after: Zhongwu Shidai (Fujian) Automobile Technology Co.,Ltd. Address before: 350007 No. 80, No. 1 mountain road, Cangshan District, Fujian, Fuzhou Patentee before: FUJIAN CHUANZHENG COMMUNICATIONS College |