CN207263841U - A kind of lithium battery protection board electric discharge overcurrent protection test device - Google Patents
A kind of lithium battery protection board electric discharge overcurrent protection test device Download PDFInfo
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- CN207263841U CN207263841U CN201720931518.6U CN201720931518U CN207263841U CN 207263841 U CN207263841 U CN 207263841U CN 201720931518 U CN201720931518 U CN 201720931518U CN 207263841 U CN207263841 U CN 207263841U
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- protection board
- lithium battery
- charge management
- battery protection
- management circuit
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of lithium battery protection board electric discharge overcurrent protection test device, including：Battery voltage analog circuit; the input terminal of the battery voltage analog circuit is electrically connected with power supply; the output terminal of the battery voltage analog circuit is electrically connected by voltage data acquisition interface with lithium battery protection board, and the battery voltage analog circuit possesses voltage regulatory function；Electronic load instrument, the electronic load instrument are connected in series with lithium battery protection board；Charge management circuit; the positive terminal of the charge management circuit is electrically connected with electronic load instrument; the negative pole end of charge management circuit is electrically connected with lithium battery protection board, and the charge management circuit is connected with independent power supply electricity two, and power supply is provided for charge management circuit；Supplying cell; the positive terminal of the supplying cell is connected with the cathode of electronic load instrument; the negative pole end of the supplying cell is connected by the B ends of voltage data acquisition interface with the B ends of lithium battery protection board, and the utility model tests protection board while cost is reduced.
Description
Technical field
The invention belongs to lithium ion battery manufacturing field, and in particular to lithium battery protection board electric discharge overcurrent protection test dress
Put.
Background technology
Lithium battery protection board overcurrent protection test method mainly has two kinds：When tested by protection board tester,
The overdischarge stream protection value not more than 120A of overwhelming majority protection board tester setting at present, also there is support high current certainly
The cabinet-type protection board tester of electric discharge, price is mostly more than 50,000.It can not meet the survey of high current lithium battery protection board
Examination demand, otherwise expensive, the purchase cost of increase user enterprise.Second, protection board and battery core are passed through into welding assembly into electricity
Chi Zuhou is large current discharge battery pack by electronic load instrument, test protection board whether overcurrent protection, this mode is only suitable for
Product inspection, it is necessary to prepare the battery combination for being adapted to various styles, such efficiency if testing different style protection boards
It is at a fairly low.
The content of the invention
It can be realized it is an object of the invention to provide one kind and meet that lithium battery protection board discharge and recharge high current overcurrent is protected
The test device of shield, and business equipment purchase cost can be effectively reduced, while effectively improve lithium battery protection board testing efficiency
Device.
To achieve the above object, the present invention uses following technical scheme：A kind of lithium battery protection board electric discharge overcurrent protection is surveyed
Trial assembly is put, including：
Battery voltage analog circuit, the input terminal of the battery voltage analog circuit are electrically connected with power supply, the electricity
The output terminal of cell voltage analog circuit is electrically connected by voltage data acquisition interface with lithium battery protection board, the cell voltage mould
Intend circuit and possess voltage regulatory function；
Electronic load instrument, the electronic load instrument are connected in series with lithium battery protection board；
Charge management circuit, the positive terminal of the charge management circuit are electrically connected with electronic load instrument, charge management circuit
Negative pole end be electrically connected with lithium battery protection board, the charge management circuit be connected with independent power supply electricity two, to charge
Manage circuit and power supply is provided；
Supplying cell, the positive terminal of the supplying cell are connected with the cathode of electronic load instrument, and the supplying cell is born
Extremely connected by the B- ends of voltage data acquisition interface with the B- ends of lithium battery protection board.
Further, the battery voltage analog circuit is 24 batteries voltage analog circuits of highest, the cell voltage mould
Intend containing potentiometer in circuit.
Compared with prior art, the beneficial effects of the present invention are：The operation principle of the present invention is exactly to simulate lithium battery
PACK truly discharges situation, and test lithium battery protection board electric discharge overcurrent protection, the present invention passes through power supply（Alternating current can be used）
DC power supply is provided to battery analogue circuit, battery analogue circuit exports single battery voltage so that lithium battery protection board voltage is adopted
Collection, allows lithium battery protection board to be operated in normal state, that is, allows protection board not Cross prevention, makes the electric discharge on protection board
Metal-oxide-semiconductor is in normally state, and voltage can be set to 3.2V or 3.7V, is likewise supplied with adjusting single-unit voltage function manually, realizes
Protection board overcharges, overdischarge pressure defencive function, for meeting the different testing requirements of LiFePO4 and ternary lithium battery protection board；
The effect of supplying cell is to provide high current for protection board discharge test in the present invention, can be by single-unit or more piece lithium electricity
Pond group is formed, and is connected on P- and B- both ends on protection board, i.e., individually discharges the metal-oxide-semiconductor that discharges on protection board, according to electric discharge electricity
The size of stream can be with flexible configuration, for example by taking highest 300A discharge currents as an example, current source can be a section or two section capacity
The battery pack of 100AH, 300A discharge currents are can be achieved with 3C electric discharges, are put by electronic load instrument series connection protection board
Electricity, the electric current that electronic load instrument is shown are the electric current for flowing through lithium battery protection board, and discharge current is adjusted by electronic load instrument
Size, observation protection board when there is overcurrent protection, when there is overcurrent protection, electric current is protection board overcurrent protection at this time
Value.
The overcurrent protection that the present invention completes high current lithium battery protection board with relatively low cost is tested；The present invention can pass through
Single-unit voltage is adjusted manually, realizes that lithium battery protection board single-unit overcharges, Cross prevention test function small volume of the present invention, is easy to
Carry, scene is tested；Comparatively speaking, the present invention has the features such as construction cycle is short, and design cost is low, small, makees
For lithium battery manufacturing enterprise, lithium battery can gather materials on the spot completely, can be formed completely with the poor battery core of some capability and performances,
So as to realize that the echelon of battery core utilizes.
Brief description of the drawings
For the present invention will be further described, drawings and embodiments are set forth below, it is therefore apparent that cited by the present invention
Embodiment is only a demonstration example, and those skilled in the art also can be extended out other embodiment.
Fig. 1 is attachment structure schematic diagram of the present invention.
Fig. 2 is single battery voltage analog circuits structure chart of the present invention.
Fig. 3 is four batteries voltage analog circuits structure charts of the invention.
Embodiment
As shown in Figure 1, a kind of lithium battery protection board electric discharge overcurrent protection test device, including：
Battery voltage analog circuit, the input terminal of the battery voltage analog circuit are electrically connected with power supply, the electricity
The output terminal of cell voltage analog circuit is electrically connected by voltage data acquisition interface with lithium battery protection board, the cell voltage mould
Intend circuit and possess voltage regulatory function；
Electronic load instrument, the electronic load instrument are connected in series with lithium battery protection board；
Charge management circuit, the positive terminal of the charge management circuit are electrically connected with electronic load instrument, charge management circuit
Negative pole end be electrically connected with lithium battery protection board, the charge management circuit be connected with independent power supply electricity two, to charge
Manage circuit and power supply is provided；
Supplying cell, the positive terminal of the supplying cell are connected with the cathode of electronic load instrument, and the supplying cell is born
Extremely connected by the B- ends of voltage data acquisition interface with the B- ends of lithium battery protection board.
The battery voltage analog circuit is 24 batteries voltage analog circuits of highest, in the battery voltage analog circuit
Containing potentiometer, as shown in Figure 1, the present invention uses single battery voltage analog circuits, of course, as shown in figure 3, can also adopt
With four batteries voltage analog circuits structure charts, other groups of numbers can be also used in principle provided by the present invention.
It is clear that the above embodiment, is only one of demonstration example of the invention, it is any provided by the present invention
Simple modifications in structure or principle belong to protection scope of the present invention.
Claims (2)
- The overcurrent protection test device 1. a kind of lithium battery protection board discharges, it is characterised in that including：Battery voltage analog circuit, the input terminal of the battery voltage analog circuit are electrically connected with power supply, the battery electricity The output terminal of pressure analog circuit is electrically connected by voltage data acquisition interface with lithium battery protection board, the battery voltage analog electricity Road possesses voltage regulatory function；Electronic load instrument, the electronic load instrument are connected in series with lithium battery protection board；Charge management circuit, the positive terminal of the charge management circuit are electrically connected with electronic load instrument, and charge management circuit is born Extremely it is electrically connected with lithium battery protection board, the charge management circuit is connected with independent power supply electricity two, is Charge Management Circuit provides power supply；Supplying cell, the positive terminal of the supplying cell are connected with the cathode of electronic load instrument, the negative pole end of the supplying cell Connected by the B- ends of voltage data acquisition interface with the B- ends of lithium battery protection board.
- 2. a kind of lithium battery protection board electric discharge overcurrent protection test device according to claim 1, it is characterised in that described Battery voltage analog circuit is 24 batteries voltage analog circuits of highest, contains potentiometer in the battery voltage analog circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931518.6U CN207263841U (en) | 2017-07-28 | 2017-07-28 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931518.6U CN207263841U (en) | 2017-07-28 | 2017-07-28 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263841U true CN207263841U (en) | 2018-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720931518.6U Active CN207263841U (en) | 2017-07-28 | 2017-07-28 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
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| CN (1) | CN207263841U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329019A (en) * | 2017-07-28 | 2017-11-07 | 山东嘉寓润峰新能源有限公司 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
| CN112986635A (en) * | 2019-12-18 | 2021-06-18 | 上海比亚迪有限公司 | Programmable electronic load and battery testing device |
-
2017
- 2017-07-28 CN CN201720931518.6U patent/CN207263841U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329019A (en) * | 2017-07-28 | 2017-11-07 | 山东嘉寓润峰新能源有限公司 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
| CN112986635A (en) * | 2019-12-18 | 2021-06-18 | 上海比亚迪有限公司 | Programmable electronic load and battery testing device |
| CN112986635B (en) * | 2019-12-18 | 2023-04-07 | 上海比亚迪有限公司 | Programmable electronic load and battery testing device |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
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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: 20220425 Address after: 610000 No. 1537, middle section of Jiannan Avenue, high tech Zone, Chengdu, Sichuan Patentee after: Yu Yongbo Address before: 277600 Runfeng Industrial Park, Weishan Economic Development Zone, Weishan County, Jining City, Shandong Province Patentee before: SHANDONG JAYU & REALFORCE ENTERPRISES CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: Room 201, Building Office, Building 1, Building B04, Kashgar Comprehensive Bonded Zone, Kashgar Economic Development Zone, Kashgar Prefecture, Xinjiang Uygur Autonomous Region, 844000 Patentee after: Kashgar Ande New Energy Technology Co.,Ltd. Address before: 610000 No. 1537, middle section of Jiannan Avenue, high tech Zone, Chengdu, Sichuan Patentee before: Yu Yongbo |