CN210577841U - Portable power supply based on retired power battery module - Google Patents
Portable power supply based on retired power battery module Download PDFInfo
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- CN210577841U CN210577841U CN201921410188.1U CN201921410188U CN210577841U CN 210577841 U CN210577841 U CN 210577841U CN 201921410188 U CN201921410188 U CN 201921410188U CN 210577841 U CN210577841 U CN 210577841U
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Abstract
The utility model discloses a portable power source based on power battery module of returning to service, portable power source are equipped with the casing, be equipped with charging unit, energy storage unit and the unit of discharging in the casing, charging unit connects the energy storage unit, the unit of discharging is connected to the energy storage unit, the device of storage electric energy is the power battery's for the returning to service battery module among the energy storage unit. The utility model discloses utilize portable power of retirement power battery preparation safe, stable, reliable to compare with the power of equal capacity, the quality is light, advantage such as small.
Description
Technical Field
The utility model relates to a portable power source field.
Background
When the power battery for the new energy electric vehicle is used for a certain time or is circulated for a certain number of times, the capacity or power characteristic of the power battery is obviously declined, the requirement for the vehicle cannot be met, and the power battery needs to be retired from the vehicle. However, the retired power battery still has great residual value, the capacity and the power of the retired power battery can still meet the requirements of other energy storage occasions with low requirements on the power performance, and the portable power source is an application scene of the retired power battery module.
The capacity of a portable power source is usually measured in mAh, which is converted into Wh (e.g. a charger) and maximum Wh (e.g. hundreds Wh), i.e. less than one degree of electricity, and is sufficient as follows: (1) the capacity of the existing portable power supply is calculated by mAh and is converted into Wh which is hundreds of Wh, namely, the capacity is less than one-degree of electricity, and (2) the portable power supply is high in cost and price of 1-3 yuan/Wh by adopting a new lithium battery.
In addition, the reuse of the retired power battery module also has the problems that the retired lithium battery is not allowed to float, the charging voltage is required to be cut off after the retired lithium battery is fully charged, the battery is damaged and accidents such as fire are possibly caused if the battery is continuously charged, the overcurrent performance of the lithium battery is not as good as that of the lead-acid storage battery, particularly the retired power battery, the power characteristic is not emphasized any more, and the multiplying power of the discharging current needs to be strictly controlled.
Disclosure of Invention
The utility model aims to solve the technical problem that realize one kind and can utilize the portable power source of retirement lithium cell preparation, this portable power source work safety and stability to require small, capacious, with low costs, light in weight.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a portable power source based on power battery module retires, portable power source is equipped with the casing, be equipped with charging unit, energy storage unit and the unit of discharging in the casing, charging unit connects the energy storage unit, the unit of discharging is connected to the energy storage unit, the device of storage electric energy is the power battery's for the retirement car battery module in the energy storage unit.
The charging unit is provided with two groups, wherein one group is provided with a rectification voltage reduction and stabilization unit, the input end of the rectification voltage reduction and stabilization unit is connected with a 220V alternating current input interface arranged on the shell, the output end of the rectification voltage reduction and stabilization unit is connected with the energy storage unit, the other group is provided with a light storage control unit, the input end of the light storage control unit is connected with an 18V photovoltaic interface arranged on the shell, and the output end of the light storage control unit is connected with the energy storage unit.
The energy storage unit comprises a battery module, a charge and discharge protection unit and an electric quantity management unit, wherein a total electrode of the battery module has an overcharge protection function, the charge and discharge protection unit is connected with the electric quantity management unit with a real-time current monitoring function, the input end of the electric quantity management unit is connected with the charge unit, and the output end of the electric quantity management unit is connected with the discharge unit.
The discharge unit includes: the battery module energy storage unit is connected with the 220 alternating current output interface on the electric quantity management unit and the shell through a DC/AC (direct current/alternating current), is directly connected with the 14V power supply interface on the shell of the electric quantity management unit, is connected with the 12V power supply interface on the electric quantity management unit and the shell through the voltage stabilization unit, and is connected with the direct current 5VUSB interface on the electric quantity management unit and the shell through the voltage stabilization integrated block.
The LED lamp is characterized in that the discharging unit further comprises an LED lamp arranged on the shell, the LED lamp is directly connected with the electric quantity management unit, and the shell is provided with a switch key for controlling the LED lamp to be switched on and off.
And the shell is provided with a display screen for displaying the residual electric quantity, and the display screen is connected with the residual electric quantity output unit of the electric quantity management unit.
The utility model discloses the portable power source who utilizes retirement power battery to make can provide the capacity of power, be several times of common product, more be fit for outdoor emergency power supply, especially the place of no power supply, with low costs only 0.2 yuan/Wh, be about 10% of the cost of new lithium cell, power lithium cell energy density is 240Wh/kg, energy density (140Wh/kg) of the ordinary lithium cell of more commonly used exceeds 70%, make complete machine weight alleviate, in addition through addding overcharge protection circuit and real-time current monitoring function, make portable power source work safety, and is stable, and is reliable.
Drawings
The following is a brief description of the contents expressed by each figure in the specification of the present invention:
fig. 1 is a schematic diagram of a portable power supply structure based on retired power battery modules.
Detailed Description
The following description of the embodiments with reference to the drawings is intended to illustrate the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and working principles of the components, the manufacturing process, and the operation and use methods, etc., so as to help those skilled in the art understand the present invention more completely, accurately and deeply.
The vehicle power battery system is composed of a battery core, a battery module and a battery pack three-level component. Only need carry out the one-level to the battery package when decommissioning and disassemble, disassemble to the module by the battery package promptly, then screen the energy storage part as portable power supply to the module, be equipped with the power transform link again, constitute the portable power supply of one set of large capacity, multipurpose.
The portable power supply mainly comprises three large links of charging, energy storage and discharging, the electrical composition block diagram is shown as 1, and the charging can be carried out in three charging modes: 1. alternating current charging: the alternating current 220V is used for charging the energy storage battery after rectification and voltage reduction; 2. photovoltaic charging: the product is provided with a solar cell charging interface of DC18V, the energy storage cell is charged after DC/DC, and the solar energy is used for charging the energy storage cell in field operation and without commercial power; 3. vehicle-mounted direct current charging: the interface is multiplexed with a photovoltaic charging interface, and a battery can be charged by using an automobile power supply during field operation.
The energy storage system is the core of the product, the nominal capacity of a single module is 2000Wh, a high-quality battery with the capacity not lower than 97% of the nominal capacity is screened out from the retired power batteries to serve as the energy storage system, and an electrical block diagram is similar to the principle of a common UPS with a lead-acid storage battery as an energy storage unit, but is different importantly.
The lead-acid storage battery can be floated, voltage (floating charge voltage) can be continuously applied and kept after the lead-acid storage battery is fully charged, but the lithium battery is not allowed to float, the charging voltage is required to be cut off after the lead-acid storage battery is fully charged, if the lead-acid storage battery is continuously charged, the battery is damaged, accidents such as fire and the like are possibly caused, and in view of the above reasons, the product is provided with an overcharge protection circuit (charging and discharging protection unit). The charge and discharge protection unit may employ an overcharge protection circuit conventionally used in the battery field at present.
The lead-acid storage battery has good overcurrent characteristics, some lead-acid storage batteries can even discharge at 10 multiplying power, the overcurrent performance of the lithium battery is not as good as that of the lead-acid storage battery, particularly the power battery after retirement, the power characteristic is not emphasized any more, the multiplying power of the discharge current needs to be strictly controlled, so that the product is provided with a real-time current monitoring function, when the discharge current exceeds a set current value, the discharge module automatically breaks a discharge loop to prevent large-multiplying power discharge, and the battery can not discharge at large multiplying power.
The discharge loop is divided into five paths:
1. AC220V discharge circuit: two inverter output AC220V loops are arranged, the power of the sine wave reaches 600W to the maximum, 50Hz, and the sine wave can be discharged for more than 3 hours continuously at full power after being fully charged;
2. the automobile ignition power supply: the voltage range of the energy storage system is 11.2-16.8V, the energy storage system is suitable for the working voltage of ignition starting of a passenger car, the function can assist in ignition starting of the car when the passenger car is difficult to start outdoors (the passenger car with the displacement below 2.4 can be directly started by the power supply during testing), and the energy storage system can also charge an original lead-acid storage battery of the passenger car and is automatically started by the passenger car.
3. Direct current 12V output circuit: the loop is realized by a low-dropout voltage regulator circuit, outputs direct current of 12V/5A, can be used as a universal power supply, and provides power for electrical appliances needing 12V.
4. Direct current 5V output circuit: the loop is realized by a standard 7805 voltage-stabilizing integrated block. The direct current 5V is the most common power supply, namely the power supply of IT products such as mobile phone charging, iPad and the like, and 4 USB interfaces are configured for the product.
5. LED lamp illumination output: the 1W LED illuminating lamp is convenient to use when the outdoor illumination is insufficient, and can be continuously lighted for more than 2 months.
The output function and the characteristics embody the characteristics of high capacity and multiple functions of the machine. The utility model discloses made into the product to try on under the field environment, it is respond well, now formally in marketing.
The present invention has been described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, and that the invention is not limited to the specific embodiments described above, but rather is intended to cover various insubstantial modifications of the inventive method and solution, or its application to other applications without modification.
Claims (6)
1. The utility model provides a portable power source based on retired power battery module, portable power source are equipped with the casing, be equipped with charging unit, energy storage unit and the unit that discharges in the casing, charging unit connects energy storage unit, energy storage unit connects the unit that discharges, its characterized in that: the device for storing electric energy in the energy storage unit is a battery module of a power battery for a retired vehicle.
2. The portable power supply based on retired power battery module as claimed in claim 1, wherein: the charging unit is provided with two groups, wherein one group is provided with a rectification voltage reduction and stabilization unit, the input end of the rectification voltage reduction and stabilization unit is connected with a 220V alternating current input interface arranged on the shell, the output end of the rectification voltage reduction and stabilization unit is connected with the energy storage unit, the other group is provided with a light storage control unit, the input end of the light storage control unit is connected with an 18V photovoltaic interface arranged on the shell, and the output end of the light storage control unit is connected with the energy storage unit.
3. The portable power supply based on retired power battery module as claimed in claim 1 or 2, wherein: the energy storage unit comprises a battery module, a charge and discharge protection unit and an electric quantity management unit, wherein a total electrode of the battery module has an overcharge protection function, the charge and discharge protection unit is connected with the electric quantity management unit with a real-time current monitoring function, the input end of the electric quantity management unit is connected with the charge unit, and the output end of the electric quantity management unit is connected with the discharge unit.
4. The portable power supply based on retired power battery modules as claimed in claim 3, wherein: the discharge unit includes: the battery module energy storage unit is connected with the 220 alternating current output interface on the electric quantity management unit and the shell through a DC/AC (direct current/alternating current), is directly connected with the 14V power supply interface on the shell of the electric quantity management unit, is connected with the 12V power supply interface on the electric quantity management unit and the shell through the voltage stabilization unit, and is connected with the direct current 5VUSB interface on the electric quantity management unit and the shell through the voltage stabilization integrated block.
5. The portable power supply based on retired power battery modules as claimed in claim 4, wherein: the LED lamp is characterized in that the discharging unit further comprises an LED lamp arranged on the shell, the LED lamp is directly connected with the electric quantity management unit, and the shell is provided with a switch key for controlling the LED lamp to be switched on and off.
6. The portable power supply based on retired power battery module as claimed in claim 2, wherein: and the shell is provided with a display screen for displaying the residual electric quantity, and the display screen is connected with the residual electric quantity output unit of the electric quantity management unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410188.1U CN210577841U (en) | 2019-08-28 | 2019-08-28 | Portable power supply based on retired power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410188.1U CN210577841U (en) | 2019-08-28 | 2019-08-28 | Portable power supply based on retired power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210577841U true CN210577841U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921410188.1U Active CN210577841U (en) | 2019-08-28 | 2019-08-28 | Portable power supply based on retired power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210577841U (en) |
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2019
- 2019-08-28 CN CN201921410188.1U patent/CN210577841U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Address before: 241000 Anhui Wuhu economic and Technological Development Zone, Changchun Road, No. 8 generator transformer joint factory Patentee before: ANHUI RUISAIKE RENEWABLE RESOURCE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230505 Address after: 241000 Anhui Wuhu Fanchang Economic Development Zone Patentee after: Anhui Jiaqi Energy Technology Co.,Ltd. Address before: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee before: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. |