CN2771874Y - Device for detecting cell combined cap - Google Patents
Device for detecting cell combined cap Download PDFInfo
- Publication number
- CN2771874Y CN2771874Y CN 200420103232 CN200420103232U CN2771874Y CN 2771874 Y CN2771874 Y CN 2771874Y CN 200420103232 CN200420103232 CN 200420103232 CN 200420103232 U CN200420103232 U CN 200420103232U CN 2771874 Y CN2771874 Y CN 2771874Y
- Authority
- CN
- China
- Prior art keywords
- combination block
- battery combination
- pick
- battery
- cover plate
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000011120 plywood Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model relates to a device for detecting a cell combined cap, which comprises two cover plates; the cover plates are provided with grooves respectively. After the cover plates are fastened, an upper plate and a lower plate of the cell combined cap respectively form a space, the space formed by the upper plate and the cover plates is communicated with atmosphere, and the space formed by the lower plate of the cell combined cap is connected with a pressure measuring system via at least a pressure path. The utility model also comprises a circuit indicating system electrically connected with the upper plate and the lower plate of the cell combined cap. The utility model device can check out the pressure value when the weld spot of the cell combined cap is snapped and the pressure value when the escape valve of the cell combined cap is ripped, therefore the checking cost and time are saved.
Description
Technical field
The utility model relates to a kind of battery detecting equipment, especially, relates to a kind of battery detecting data that form, the device that the battery combination block parameter is detected.
Background technology
Because the energy storage capacity height of high-energy battery, obtained at present using widely, yet its safety problem is perplexing its development always, may explode as lithium battery, this is well-known, Given this, developed the battery combination block that can effectively prevent battery explosion in the existing battery manufacturing, as shown in Figure 1a, described battery combination block 11 is used for the block of potted end when being high-energy battery production, its basic structure is the top plate 11b that is coated at least by peripheral integument 11a, lower plywood 11c and safety valve 11d, wherein lower plywood 11c is connected by solder joint with safety valve 11d.。This battery combination block is when inner pressure of battery increases to setting value, and the described safety valve 11d of battery combination block and the solder joint between the described lower plywood 11c are broken, and this moment, battery short circuit cut off electric current; But when continuing to increase to another setting value as if interior pressure, described safety valve 11d drawing crack, thus internally compress into capable pressure release, avoid the high pressure blast of battery.
Because the quality of battery combination block has directly had influence on the safety problem of battery, promptly, the size of above-mentioned two preset values has determined the quality good or not of battery, therefore the Performance Detection to battery combination block seems particularly important before the battery assembling, but at present, the method that detects battery combination block is to detect with the method that detects the finished product battery basically, there is not the special detection device, not only accuracy in detection is not high, and described battery combination block has been assembled into battery and has got on this moment, can not in time detect substandard products, and it has wasted production procedure and material etc. in operating process, produced obsolete product, production cost is high and waste is serious.
Therefore, obviously there is defective in prior art, and awaits improving and development.
The utility model content
The purpose of this utility model is to provide a kind of pick-up unit of battery combination block, the pick-up unit of this battery combination block, the force value the when force value in the time of can detecting the solder joint drawing crack of battery combination block, safety valve cracking.
The technical solution of the utility model is:
A kind of pick-up unit of battery combination block, comprise two cover plates, on it and be respectively equipped with groove, after described cover plate fastens, respectively form a space with battery combination block top plate, lower plywood, the space that forms with the battery combination block top plate is connected with atmosphere, and the space that forms with the battery combination block lower plywood is communicated with pressure-measuring system by at least one pressure channel; Also comprise a circuit indication mechanism that is electrically connected with battery combination block top plate, lower plywood.
Described pressure-measuring system comprises a forcing pump and a pressure gauge, and a described pressure gauge and a described pressure gauge are communicated with described pressure channel.
Described circuit indication mechanism comprises a power supply and a current indicator, connects into closed circuit with described battery combination block top plate and described battery combination block lower plywood.
Being connected the cover plate in space with atmosphere on, described formation is provided with bleeder vent.
Described two cover plates are realized fastening by hinged or bolt.
The groove of the cover plate of described combination cover cap lower plywood one side is provided with power spring.
The pick-up unit of a kind of battery combination block provided by the utility model, by measurement to battery combination block, force value when the force value the when solder joint that can directly test out battery combination block is broken, the drawing crack of battery combination block safety valve, therefore saved detection cost and time, optimize production procedure, reduced production cost.
Description of drawings
Fig. 1 a is the battery combination block structural drawing;
Fig. 1 is the structure principle chart of first preferred embodiment of the present utility model;
Fig. 2 is the first cover plate upward view of described first preferred embodiment of the present utility model;
Fig. 3 is the second cover plate vertical view of described first preferred embodiment of the present utility model;
Fig. 4 is the structure principle chart of second preferred embodiment of the present utility model;
Fig. 5 is the first cover plate upward view of second preferred embodiment of the present utility model;
Fig. 6 is the second cover plate vertical view of second preferred embodiment of the present utility model;
Fig. 7 is the structure principle chart of the 3rd preferred embodiment of the present utility model;
Fig. 8 is the fastening structure schematic diagram of the 3rd preferred embodiment of the present utility model.
Embodiment
Below, will be in conjunction with the accompanying drawings, by detailed description, make the technical solution of the utility model and beneficial effect thereof apparent to preferred embodiment of the present utility model.
The pick-up unit 1 of a kind of battery combination block of the present utility model, as shown in Figure 1 and Figure 4, it comprises two cover plates, i.e. first cover plate 3, second cover plate 5, described first cover plate 3 is provided with first groove 2, second cover plate 5 is provided with second groove 4, this first groove 2 and second groove 4 are oppositely arranged, this first cover plate 3 and described second cover plate 5 can snap together, thereby described first groove 2 and described second groove 4 fasten to get up to form an accommodation space, and this accommodation space is used to install described battery combination cover plate 11, be the described battery combination block 11 of convenient placement, described first groove 2 and described second groove 4 all inwardly are provided with shoulder rank portion.Simultaneously, also be provided with a pressure channel 6, one side of described accommodation space is set, for sake of convenience, all be that described battery combination block is put into described accommodation space up with top plate among each embodiment shown in of the present utility model, thus, described pressure channel 6 is arranged in described first cover plate 5, be communicated with described second groove 4, its measurement direction is the described battery combination block of blow pressure from bottom to top, and like this, described second groove 4 is the spaces in the simulated battery, its air pressure is the content of simulated battery, just can measure two setting values of described battery combination block thus.
The outside pressure-measuring system that connects of described pressure channel, this pressure-measuring system are exactly to be communicated with to be provided with a pressure gauge 7 between a forcing pump 9 and described pressure channel 6, thereby can read the air pressure in that part of space of simulated battery in the described accommodation space.
Meanwhile, also be respectively arranged with first contact 21 and second contact 22 on described first cover plate 3 and second cover plate 5, it touches the both sides of described battery combination block respectively, simultaneously, described first contact 21 and described second contact, the 22 outside circuit indication mechanisms that are connected, this circuit indication mechanism comprises a power supply 12 and a current indicator, as a pilot lamp 13, whether this circuit indication mechanism is to be used for can causing the electric conductivity of described battery combination block 11 to change under the display simulation inner pressure of battery change situation.Be the conduction of mode contact and cover plate, described first contact 21 and described second contact 22 all are fixed on the corresponding cover plate by an insulator 17.
Described first contact and described second contact can adopt various patterns, for example elastic component in the present embodiment or cylindrical electrode etc.
Principle of work of the present utility model is, described first cover plate 3 and described second cover plate, 5 clips are being lumped together, and to described battery combination block sealed begin the test after, described forcing pump 9 begins inflation in described second groove 4 according to measurement direction, in beginning, solder joint between the lower plywood 11c of described battery combination block and the safety valve 11d is if good, the conducting of described circuit indication mechanism display circuit; Punching press air pressure lifting along with described forcing pump 9, when the state of certain atmospheric pressure value A, the lower plywood 11c and the solder joint between the safety valve 11d of described battery combination block will be destroyed, thereby, the not conducting of described circuit indication mechanism display circuit, in the simulating actual conditions, inner pressure of battery rises to a certain degree at this moment, described battery combination block solder joint fracture, the state of battery short circuit; When described then forcing pump 9 continued to be pressurized to second atmospheric pressure value B, described battery combination block was at described accommodation space implosive, and promptly its safety valve 11d is torn, and this is the force value situation of bearing of safety valve under the excessive situation of interior pressure of simulation high-energy battery.Accuracy during for convenient test also is provided with at least one bleeder vent 15 on described first cover plate 3, and with described first groove 2 and extraneous the connection, thereby the situation with reality in the safety valve 11d of described battery combination block pressurized process is identical.
Described first cover plate 3 of the present utility model and described second cover plate 5 are connected and fixed by web member, its fixedly connected mode can be an any way, as adopted in the present embodiment be as described in first cover plate 3 and as described in the edge side of correspondence of second cover plate 5 be provided with a bolt 14, passing through behind described first cover plate 3 can to carry out spiral shell solid with described second cover plate 5.But; the mode that described first cover plate 3 and described second cover plate 5 are fastened sealing is a lot; obviously its all fastenings locking sealing means all belongs to scope of patent protection of the present utility model under the situation that does not break away from technical conceive of the present utility model.
Among each embodiment provided by the utility model, the connected mode of described first cover plate 3 and described second cover plate 5 is:
First kind is the relative translation mode, this kind mode can be fixed on one of them cover plate on the worktable, another cover plate is driven by artificial or drive unit, under the driving as cylinder, stepper motor etc., to the cover plate translation that fixes, get final product by described bolt 14 lockings then; Its structure of cover plate, as shown in Figures 2 and 3.
The second way is the upset mode, and this kind mode is that the respective side at described first cover plate 3 and described second cover plate 5 is provided with an articulated section 18, cover plate can be opened and fastens by a pivot, behind fastening also by described bolt 14 lockings; Its structure of cover plate as shown in Figure 5 and Figure 6.
Simultaneously, when if described first cover plate 3 and second cover plate 5 all are good conductor of electricity, make as metal, can one of them change elastic component into described first contact 21 or second contact 22, as spring 19, a side of described battery combination block 11 and a cover plate are wherein electrically connected, if both sides all change elastic component into, as spring, then need between described first cover plate 3 and described second cover plate 5, an insulated enclosure material be set, as O-ring seal.
The third embodiment of the present invention is asked for an interview Fig. 7 and shown in Figure 8, its basic structure and previous embodiment are basic identical, unique difference is in the covering plate structure of relative translation in the difference of described contact, on second cover plate 5 elastic component is set and replaces described cylindrical electrode.
In a word; should be understood that; above-mentioned description at specific embodiment of the present utility model is too concrete and detailed, can not therefore be interpreted as the restriction to scope of patent protection of the present utility model, and scope of patent protection should be as the criterion with the utility model claims.
Claims (9)
1, a kind of pick-up unit of battery combination block, it is characterized in that, described pick-up unit comprises two cover plates, on it and be respectively equipped with groove, after described cover plate fastens, respectively form a space with battery combination block top plate, lower plywood, the space that forms with the battery combination block top plate is connected with atmosphere, and the space that forms with the battery combination block lower plywood is communicated with pressure-measuring system by at least one pressure channel; And,
The one circuit indication mechanism that is electrically connected with battery combination block top plate, lower plywood.
2, the pick-up unit of battery combination block according to claim 1 is characterized in that described pressure-measuring system comprises a forcing pump and a pressure gauge, and a described pressure gauge and a described pressure gauge are communicated with described pressure channel.
3, the pick-up unit of battery combination block according to claim 1 is characterized in that described circuit indication mechanism comprises a power supply and a current indicator, connects into closed circuit with described battery combination block top plate and described battery combination block lower plywood.
4, as the pick-up unit of battery combination block as described in the claim 2, it is characterized in that described circuit indication mechanism comprises a power supply and a current indicator, connect into closed circuit with described battery combination block top plate and described battery combination block lower plywood.
5, as the pick-up unit of battery combination block as described in any one of the claim 1～4, it is characterized in that, described formation is connected the cover plate in space with atmosphere on, be provided with bleeder vent.
6, as the pick-up unit of battery combination block as described in any one of the claim 1～4, it is characterized in that described two cover plates are realized fastening by hinged or bolt.
As the pick-up unit of battery combination block as described in the claim 5, it is characterized in that 7, described two cover plates are realized fastening by hinged or bolt.
8, as the pick-up unit of battery combination block as described in any one of the claim 1～4, it is characterized in that the groove of the cover plate of described combination cover cap lower plywood one side is provided with power spring.
9, as the pick-up unit of battery combination block as described in the claim 5, it is characterized in that the groove of the cover plate of described combination cover cap lower plywood one side is provided with power spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103232 CN2771874Y (en) | 2004-12-20 | 2004-12-20 | Device for detecting cell combined cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103232 CN2771874Y (en) | 2004-12-20 | 2004-12-20 | Device for detecting cell combined cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771874Y true CN2771874Y (en) | 2006-04-12 |
Family
ID=36705665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420103232 Expired - Lifetime CN2771874Y (en) | 2004-12-20 | 2004-12-20 | Device for detecting cell combined cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771874Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651445A (en) * | 2016-03-17 | 2016-06-08 | 东莞市创明电池技术有限公司 | Battery cover plate detection equipment and detection method thereof |
| CN106769510A (en) * | 2016-12-16 | 2017-05-31 | 肇庆市众自动化设备有限公司 | A kind of block pressure test device |
| CN107946494A (en) * | 2017-11-02 | 2018-04-20 | 浙江天能能源科技股份有限公司 | A kind of method for analyzing lithium battery cap cap structure |
| CN110208092A (en) * | 2019-06-19 | 2019-09-06 | 无锡先导智能装备股份有限公司 | Device for testing tensile force and battery pack wiring |
-
2004
- 2004-12-20 CN CN 200420103232 patent/CN2771874Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651445A (en) * | 2016-03-17 | 2016-06-08 | 东莞市创明电池技术有限公司 | Battery cover plate detection equipment and detection method thereof |
| CN106769510A (en) * | 2016-12-16 | 2017-05-31 | 肇庆市众自动化设备有限公司 | A kind of block pressure test device |
| CN107946494A (en) * | 2017-11-02 | 2018-04-20 | 浙江天能能源科技股份有限公司 | A kind of method for analyzing lithium battery cap cap structure |
| CN110208092A (en) * | 2019-06-19 | 2019-09-06 | 无锡先导智能装备股份有限公司 | Device for testing tensile force and battery pack wiring |
| CN110208092B (en) * | 2019-06-19 | 2024-06-04 | 无锡先导智能装备股份有限公司 | Tensile force testing device and battery assembly line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141220 Granted publication date: 20060412 |