CN204215015U - A kind of detection screening plant of li-ion cell protection device switch - Google Patents
A kind of detection screening plant of li-ion cell protection device switch Download PDFInfo
- Publication number
- CN204215015U CN204215015U CN201420727744.9U CN201420727744U CN204215015U CN 204215015 U CN204215015 U CN 204215015U CN 201420727744 U CN201420727744 U CN 201420727744U CN 204215015 U CN204215015 U CN 204215015U
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- CN
- China
- Prior art keywords
- protection device
- ion cell
- cell protection
- device switch
- heating resistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a kind of detection screening plant of li-ion cell protection device switch, comprise monitor station, primary power, accessory power supply and controller, monitor station is provided with several stations, each station forms by the ventilating opening be opened on monitor station, heating resistor and cooling device, heating resistor is positioned at above ventilating opening, and cooling device is positioned at below ventilating opening; Li-ion cell protection device switch is placed on the heating resistor of station, and each station connects by primary power successively, is associated in measure loop by li-ion cell protection device switch series to be measured; Each cooling device is all connected with the output terminal of controller, and the input end of controller is connected with accessory power supply.The utility model is specially for li-ion cell protection device switch provides a kind of detection screening plant; systematic detection can be carried out to multiple li-ion cell protection device switch; not only can immediately filter out certified products and unacceptable product, can also reduce qualified li-ion cell protection device switch dispatch from the factory after failure rate.
Description
Technical field
The utility model belongs to li-ion cell protection device field, is specifically related to a kind ofly be exclusively used in the device detecting li-ion cell protection device switch and screen.
Background technology
Li-ion cell protection device is ingredient indispensable in lithium ion battery, and the safety ensureing lithium ion battery serves vital role.Especially the nowadays recent development li-ion cell protection device based on metal physics deformation out; be different from traditional li-ion cell protection device; its inside comprises a heating resistor and one by the metal physics protection switch that can automatically disconnect or recover after temperature influence; make switch triggering more rapidly sensitive, more reliably durable.
This li-ion cell protection device switch internal is made up of a moving contact and stationary contact, and moving contact is made up of two gold plaque or marmem usually.Its principle of work exactly when lithium battery generation excess temperature, overvoltage, overcharge or overcurrent time, heating resistor starts to carry out equilibrium to lithium battery, produce heat; when the temperature of heating resistor reaches setting value; direct triggering moving contact generation deformation, disconnects with stationary contact, plays the effect of protection lithium battery.
Due to the new product that above-mentioned this li-ion cell protection device switch has also just just emerged; its performance need is through a large amount of detections; and the failure rate of any product all exists one " tub curve "; namely when product has just been produced and closed on serviceable life; the failure rate of product is higher; a period of time internal fault rate in the middle of this is lower; usually durability analysis can be carried out; so be now badly in need of one both can carry out Performance Detection for above-mentioned li-ion cell protection device switch; the equipment of life tests can be carried out again, reduce failure rate.
Utility model content
In order to meet the demand, the utility model aims to provide a kind of detection screening plant of li-ion cell protection device switch, can carry out systematic detection to multiple li-ion cell protection device switch, the failure rate after reduction li-ion cell protection device switch dispatches from the factory.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of detection screening plant of li-ion cell protection device switch, comprise monitor station, primary power, accessory power supply and controller, described monitor station is provided with several for detecting the station of li-ion cell protection device switch, each described station is opened in ventilating opening, a heating resistor and the cooling device composition on described monitor station by one, described heating resistor is positioned at above described ventilating opening, described cooling device is positioned at below described ventilating opening, and described cooling device aims at described heating resistor;
Each station can be laid a described li-ion cell protection device switch, described li-ion cell protection device switch is fixed on described heating resistor, described primary power connects one end of first described li-ion cell protection device switch, the other end of first described li-ion cell protection device switch is connected with one end of first described heating resistor, the other end of first described heating resistor is connected with one end of second described li-ion cell protection device switch, the other end of second described li-ion cell protection device switch is connected with one end of second described heating resistor, by that analogy, each described station is connected successively, each described cooling device is all connected with the output terminal of described controller, and the input end of described controller is connected with described accessory power supply.
Further, air-duct clapboard is provided with between each described station.
Preferably, described cooling device is fan or semiconductor cooler.
Cleaning Principle of the present utility model is associated in measure loop by li-ion cell protection device switch series to be measured, by heating resistor and cooling device with the use of, make li-ion cell protection device switch repeatedly automatically shut down or open, reach testing goal.If monitor station has been installed 4 li-ion cell protection device switches to be measured, after primary power and accessory power supply are connected simultaneously, testing process of the present utility model is as follows:
1) except first cooling device, its excess-three cooling device works simultaneously, cools the heating resistor of correspondence, detects first li-ion cell protection device switch situation;
2), after the time of delay adjustments, second cooling device is out of service, and its excess-three cooling device works simultaneously, cools the heating resistor of correspondence, detects second li-ion cell protection device switch situation;
3), after the time of delay adjustments, the 3rd cooling device is out of service, and its excess-three cooling device works simultaneously, cools the heating resistor of correspondence, detects the 3rd li-ion cell protection device switch situation;
4), after the time of delay adjustments, the 4th cooling device is out of service, and its excess-three cooling device works simultaneously, cools the heating resistor of correspondence, detects the 4th li-ion cell protection device switch situation;
5) move in circles above-mentioned steps 1-4, until stipulated time or number of times terminate.
The beneficial effects of the utility model are as follows:
The utility model is specially for li-ion cell protection device switch provides a kind of detection screening plant; li-ion cell protection device switch series to be measured is associated in measure loop; by heating resistor and cooling device with the use of; make li-ion cell protection device switch repeatedly automatically shut down or open, reach testing goal.The utility model can carry out systematic detection to multiple li-ion cell protection device switch, not only can immediately filter out certified products and unacceptable product, can also as efficient life tests equipment, reduce qualified li-ion cell protection device switch dispatch from the factory after failure rate.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the one-piece construction schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the one-piece construction schematic diagram of the another kind of embodiment of the utility model.
Number in the figure illustrates: 1, monitor station; 2, primary power; 3, accessory power supply; 4, controller; 5, li-ion cell protection device switch; 6, station; 7, ventilating opening; 8, heating resistor; 9, cooling device; 10, air-duct clapboard.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Fig. 1, Fig. 2, a kind of detection screening plant of li-ion cell protection device switch, comprise monitor station 1, primary power 2, accessory power supply 3 and controller 4, described monitor station 1 is provided with several for detecting the station 6 of li-ion cell protection device switch 5, each described station 6 is opened in ventilating opening 7, heating resistor 8 on described monitor station 1 by one and a cooling device 9 forms, described heating resistor 8 is positioned at above described ventilating opening 7, described cooling device 9 is positioned at below described ventilating opening 7, and described cooling device 9 aims at described heating resistor 8;
Each station 6 can be laid a described li-ion cell protection device switch 5, described li-ion cell protection device switch 5 is fixed on described heating resistor 8, described primary power 2 connects one end of first described li-ion cell protection device switch 5, the other end of first described li-ion cell protection device switch 5 is connected with one end of first described heating resistor 8, the other end of first described heating resistor 8 is connected with one end of second described li-ion cell protection device switch 5, the other end of second described li-ion cell protection device switch 5 is connected with one end of second described heating resistor 8, by that analogy, each described station 6 is connected successively, each described cooling device 9 is all connected with the output terminal of described controller 4, and the input end of described controller 4 is connected with described accessory power supply 3.
Further, shown in Figure 3, be provided with air-duct clapboard 10 between each described station 6.
Preferably, described cooling device 9 is fan or semiconductor cooler.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the detection screening plant of a li-ion cell protection device switch, it is characterized in that: comprise monitor station (1), primary power (2), accessory power supply (3) and controller (4), described monitor station (1) is provided with several for detecting the station (6) of li-ion cell protection device switch (5), each described station (6) is opened in the ventilating opening (7) on described monitor station (1) by one, one heating resistor (8) and a cooling device (9) composition, described heating resistor (8) is positioned at described ventilating opening (7) top, described cooling device (9) is positioned at described ventilating opening (7) below, described cooling device (9) aims at described heating resistor (8),
Each station (6) can be laid a described li-ion cell protection device switch (5), described li-ion cell protection device switch (5) is fixed on described heating resistor (8), described primary power (2) connects one end of first described li-ion cell protection device switch (5), the other end of first described li-ion cell protection device switch (5) is connected with one end of first described heating resistor (8), the other end of first described heating resistor (8) is connected with one end of second described li-ion cell protection device switch (5), the other end of second described li-ion cell protection device switch (5) is connected with one end of second described heating resistor (8), by that analogy, each described station (6) is connected successively, each described cooling device (9) is all connected with the output terminal of described controller (4), and the input end of described controller (4) is connected with described accessory power supply (3).
2. the detection screening plant of li-ion cell protection device switch according to claim 1, is characterized in that: be provided with air-duct clapboard (10) between each described station (6).
3. the detection screening plant of li-ion cell protection device switch according to claim 1 and 2, is characterized in that: described cooling device (9) is fan or semiconductor cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727744.9U CN204215015U (en) | 2014-11-28 | 2014-11-28 | A kind of detection screening plant of li-ion cell protection device switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727744.9U CN204215015U (en) | 2014-11-28 | 2014-11-28 | A kind of detection screening plant of li-ion cell protection device switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204215015U true CN204215015U (en) | 2015-03-18 |
Family
ID=52983676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420727744.9U Withdrawn - After Issue CN204215015U (en) | 2014-11-28 | 2014-11-28 | A kind of detection screening plant of li-ion cell protection device switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204215015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330734A (en) * | 2014-11-28 | 2015-02-04 | 中投仙能科技（苏州）有限公司 | Detection screening device of lithium battery protector switches |
| CN105548868A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Performance test device and method for temperature switch |
-
2014
- 2014-11-28 CN CN201420727744.9U patent/CN204215015U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330734A (en) * | 2014-11-28 | 2015-02-04 | 中投仙能科技（苏州）有限公司 | Detection screening device of lithium battery protector switches |
| CN104330734B (en) * | 2014-11-28 | 2017-07-07 | 中投仙能科技（苏州）有限公司 | A kind of detection screening plant of li-ion cell protection device switch |
| CN105548868A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Performance test device and method for temperature switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150318 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |