CN205228701U - Electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system - Google Patents
Electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system Download PDFInfo
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- CN205228701U CN205228701U CN201521102667.9U CN201521102667U CN205228701U CN 205228701 U CN205228701 U CN 205228701U CN 201521102667 U CN201521102667 U CN 201521102667U CN 205228701 U CN205228701 U CN 205228701U
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Abstract
The utility model relates to an energy storage device field especially relates to an electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system. The electricity in -core presses test samples to include electric core, adapter and baroceptor, the adapter includes electric core connecting portion, sensor connecting portion and pressure measurement through -hole, electricity core connecting portion are connected with notes liquid hole fixed seal, the sensor connecting portion stretch out to be annotated outside the liquid hole, the pressure measurement through -hole sets up on the sensor connecting portion, the baroceptor includes the main part, the connecting hole, anticorrosive isolation diaphragm, detecting element and signal output part, anticorrosive isolation diaphragm seals the bottom of connecting hole, detecting element sets up in the main part, signal output part and detecting element are connected, the sensor connecting portion stretch into in the connecting hole, and with connecting hole sealing connection, anticorrosive isolation diaphragm and pressure measurement through -hole intercommunication. The electricity in -core presses the test system to include electric in -core test samples presses. The electric in -core that this application provided is pressed test samples and electric in -core and is pressed test system security high.
Description
Technical field
The application relates to energy storage device field, particularly relates in a kind of battery core to press test sample book and adopt in the battery core of this sample to press test macro.
Background technology
In correlation technique, in battery core test, the scheme of pressure is that one damages interior pressure scheme, battery core is placed in 85 DEG C of incubators, blocks explosion-proof valve, battery core is stored or circulation, produces gas.Afterwards, these gases produced need external out carrying out to monitor or process, and what adopt at present is directly broken by the explosion-proof valve of test sample book, gas introduced sensor and transmitter carry out interior pressure and test with flexible pipe or other device.
But, because this interior pressure testing scheme needs to break battery core explosion-proof valve, a large amount of gas and electrolytic solution can be produced, the electrolytic solution of this ejection or the gas of generation harmful; Simultaneously, block explosion-proof valve, battery core high temperature storage or circulation can produce a large amount of gas, once short circuit or overcharge and just easily cause battery core air pressure inside superpressure, if exceed certain force value, battery core can be exploded and be caused the damage of personnel and equipment, and therefore this interior pressure testing scheme exists great potential safety hazard.
Utility model content
This application provides in a kind of battery core to press test sample book and adopt in the battery core of this sample and press test macro, significantly can promote the security in test process.
Pressure test sample book in the battery core that the first aspect of the application provides, comprise battery core, adapter and baroceptor, described battery core is provided with liquid injection hole, described adapter comprises battery core connecting portion, sensor attachment portion and pressure measurement through hole,
Described battery core connecting portion is connected with described sensor attachment portion, described battery core connecting portion and described liquid injection hole fixed seal connection, described sensor attachment portion stretches out outside described liquid injection hole, and described pressure measurement through hole is arranged on described sensor attachment portion, and communicate with the inside of described battery core
Described baroceptor comprises main body, connecting hole, anticorrosion isolation diaphragm, detecting unit and signal output part, described connecting hole is arranged on the body, described anticorrosion isolation diaphragm closes the bottom of described connecting hole, described detecting unit is arranged in described main body, and described anticorrosion isolation diaphragm can be detected, described signal output part is arranged on the outside surface of described main body, and communicates to connect with described detecting unit
Described sensor attachment portion stretches in described connecting hole, and is tightly connected with described connecting hole, and described anticorrosion isolation diaphragm is communicated with described pressure measurement through hole.
Preferably, described sensor attachment portion is column construction, and described battery core connecting portion is the saddle around described sensor attachment portion, described saddle and described liquid injection hole fixed seal connection, and outer rim and the described saddle of described connecting hole offset.
Preferably, described sensor attachment portion is cylindrical structural, and the outer peripheral face of described sensor attachment portion is provided with external thread, is provided with the internal thread coordinated with described external thread in described connecting hole.
Preferably, described saddle is arranged on the bottom of described sensor attachment portion.
Preferably, also comprise packing washer, described packing washer is arranged between the outer rim of described saddle and described connecting hole.
Preferably, described packing washer is fluororubber packing washer.
Preferably, described connecting hole is arranged on the bottom of described main body, and described signal output part is arranged on the top of described main body.
Preferably, described adapter is aluminium alloy adapter.
Preferably, described anticorrosion isolation diaphragm is stainless steel isolation diaphragm.
The second aspect of the application provides pressure test macro in a kind of battery core, comprises pressure test sample book in aforesaid battery core.
The technical scheme that the application provides can reach following beneficial effect:
Press test sample book in the battery core that the application provides and adopt pressure test macro in the battery core of this sample to gather gas by the adapter be connected with liquid injection hole, and utilize baroceptor to detect gaseous tension by pressure measurement through hole, can not destroy or block the explosion-proof valve of battery core in test process, therefore battery core can not be blasted because explosion-proof valve lost efficacy, do not have electrolytic solution or harmful gas by battery core internal leakage simultaneously yet, injury human body, therefore security is higher.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the application.
Accompanying drawing explanation
The one-piece construction schematic diagram of test sample book is pressed in the battery core that Fig. 1 provides for the embodiment of the present application;
The structural representation of the adapter that Fig. 2 provides for the embodiment of the present application;
The fit structure schematic diagram of the adapter that Fig. 3 provides for the embodiment of the present application and baroceptor;
The partial enlargement structural representation that the adapter that Fig. 4 provides for the embodiment of the present application coordinates with baroceptor;
The one-piece construction schematic diagram of test macro is pressed in the battery core that Fig. 5 provides for the embodiment of the present application.
Reference numeral:
Pressure test sample book in 1-battery core;
10-battery core;
100-liquid injection hole;
102-explosion-proof valve;
104-pole;
12-adapter;
120-battery core connecting portion;
122-sensor attachment portion;
124-pressure measurement through hole;
14-baroceptor;
140-main body;
142-connecting hole;
The anticorrosion isolation diaphragm of 144-;
146-signal output part;
16-packing washer;
2-transmitter.
3-data line;
4-computer end.
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows the embodiment meeting the application, and is used from instructions one principle explaining the application.
Embodiment
Also by reference to the accompanying drawings the application is described in further detail below by specific embodiment."front", "rear" described in literary composition, "left", "right", " on ", D score all presses the laying state of test macro for reference to press test sample book in the battery core in accompanying drawing and to adopt in the battery core of this sample.
As shown in figures 1 and 3, the embodiment of the present application provides pressure test sample book 1 in a kind of battery core, comprises battery core 10, adapter 12 and baroceptor 14.
Battery core 10 is general type, comprises the structures such as liquid injection hole 100, explosion-proof valve 102, pole 104.
As shown in Figure 2, the gas of battery core 10 inside, for forming a structure be communicated with the inside of battery core 10, guides in adapter 12 by adapter 12, so that baroceptor 14 detects.Particularly, adapter 12 comprises battery core connecting portion 120, sensor attachment portion 122 and pressure measurement through hole 124, battery core connecting portion 120 is connected with sensor attachment portion 122, wherein, battery core connecting portion 120 is for being connected and sealed with the liquid injection hole 100 of battery core 10, sensor attachment portion 122 then stretches out outside liquid injection hole 100, for being connected with baroceptor 14.Pressure measurement through hole 124 is arranged on sensor attachment portion 122, and its one end communicates with the inside of battery core 10, and the other end then extends to along sensor attachment portion 122 always and communicates with outside.
As shown in Figure 3, baroceptor 14 is detecting elements of test battery core 10 internal gas pressure, and baroceptor 14 comprises main body 140, connecting hole 142, anticorrosion isolation diaphragm 144, detecting unit (not shown) and signal output part 146.Wherein, connecting hole 142 is arranged in main body 140, generally can be arranged on the bottom of main body 140, and anticorrosion isolation diaphragm 144 is arranged on the bottom of connecting hole 142, and by the bottom end closure of connecting hole 142.When sensor attachment portion 122 is connected with baroceptor 14, sensor attachment portion 122 is extend within connecting hole 142, and ensure the sealing between sensor attachment portion 122 and connecting hole 142, and anticorrosion isolation diaphragm 144 can be connected with between pressure measurement through hole 124, like this, anticorrosion isolation diaphragm 144 just can experience the air pressure in confined space that battery core 10, pressure measurement through hole 124 and this three of connecting hole 142 form.Anticorrosion isolation diaphragm 144 can adopt the good material of the decay resistances such as stainless steel to make.
For battery core 10, the volume of the area of space that pressure measurement through hole 124 and connecting hole 142 are formed is very little, therefore the volume of confined space and the spatial volume difference of battery core 10 reality very little, and then pressure now in confined space can be equal to the pressure produced when these gases of battery core 10 are all present in the inside of battery core 10.In this case, the pressure detection data in confined space just be can be used as to the gas of battery core 10 inside to pressure in battery core 10.Detecting unit is arranged in main body 140, and can detect anticorrosion isolation diaphragm 144, and then obtains the pressure value in confined space.Signal output part 146 is arranged on the outside surface of main body 140, and communicates to connect with detecting unit, is responsible for external output detections signal.
Like this, in battery core, pressure test sample book 1 just can carry out the test of interior pressure when not destroying or block the explosion-proof valve of battery core, and security is higher.Further, the gas in the battery core that the present embodiment provides in pressure test sample book 1 is in confined space all the time, and without the need to shifting, also air-loss can not occur, the precision of therefore testing is higher.In addition, because baroceptor 14 is in connection status with battery core 10 all the time, therefore, it is possible to detect in real time the air pressure in confined space at any time, more complete test data can be obtained, directive significance is had more to the research and development of battery.
As shown in Figure 2, in the present embodiment, sensor attachment portion 122 can be column construction, is convenient to like this coordinate with connecting hole 142.The more preferred scheme of sensor attachment portion 122 is cylindrical structural, and at least one section of external thread is set on the outer peripheral face of sensor attachment portion 122, the inner peripheral surface of connecting hole 142 is then provided with the internal thread matched with the external thread on sensor attachment portion 122, by the threaded engagement of internal and external screw thread, can make between sensor attachment portion 122 and connecting hole 142, to possess the good effect that is tightly connected.
Battery core connecting portion 120 can adopt around sensor attachment portion 122 arrange saddle, the external diameter of saddle and the internal diameter equal and opposite in direction of liquid injection hole 100, so as with liquid injection hole 100 fixed seal connection.Saddle can be set directly at the bottom of sensor attachment portion 122, and adopt the mode of laser bonding to connect, to ensure the fixing that seals between adapter 12 and liquid injection hole 100 and reliability.The outer rim of connecting hole 142 preferably can offset with saddle, better to realize sealing effectiveness.In the specific implementation, saddle preferably can flush with liquid injection hole 100 or exceed slightly liquid injection hole 100 after being connected with liquid injection hole 100, so that carry out pushing against coordinating with connecting hole 142.
In addition, adapter 12 preferably adopts aluminum alloy material, after adapter 12 is connected by laser bonding with liquid injection hole 100, adapter 12 can be connected with the positive pole of battery core 10, positively charged, can form dense oxidation film on the surface of adapter 12 like this, can effectively slow down anticorrosion speed, increases the serviceable life of joint 12.
As shown in Figure 4, in order to improve the sealing effectiveness between sensor attachment portion 122 and connecting hole 142 further, packing washer 16 can also be set between the outer rim of saddle and connecting hole 142.Packing washer 16 preferably adopts corrosion-resistant and sealing effectiveness all preferably fluororubber material.
In order to more be convenient to the connection of baroceptor 14 and detection operation, connecting hole 142 and signal output part 146 are preferably separately positioned on bottom and the top of main body 140.After connecting hole 142 bottom being arranged on like this is connected with the sensor attachment portion 122 of adapter 12, signal output part 146 presses the top of test sample book 1 in whole battery core by being in, operating space is the openst.
As shown in Figure 5, pressure test macro in the battery core of pressure test sample book 1 in the battery core provided in above-described embodiment is adopted also to comprise transmitter 2, data line 3 and computer end 4.One end of data line 3 is connected with transmitter 2, and the other end is connected with the signal output part 146 of baroceptor 14, and transmitter 2 and computer end 4 also communicate to connect.Like this, baroceptor 14 can real-time monitor the air pressure that battery core 10 produces along with storing or circulate, and atmospheric pressure value is converted to the current signal of simulation, this current signal is delivered to transmitter 2, this current signal is converted to the signal that controller can identify by transmitter 2, namely show corresponding corresponding atmospheric pressure value, RS232 can be adopted to turn 485 connections and computer end 4 communication, Real-Time Monitoring atmospheric pressure value changes.
In whole battery core, pressure test macro takes into account safety and performance rate, and the same with battery core performance test effect under normal circumstances, the data of collection also can Real-Time Sharing.Baroceptor 14 is separated with transmitter 2, and test result impact is little, and transmitter is highly sensitive.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations.Within all spirit in the application and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the application.
Claims (10)
1. a pressure test sample book in battery core, it is characterized in that, comprise battery core, adapter and baroceptor, described battery core is provided with liquid injection hole, described adapter comprises battery core connecting portion, sensor attachment portion and pressure measurement through hole,
Described battery core connecting portion is connected with described sensor attachment portion, described battery core connecting portion and described liquid injection hole fixed seal connection, described sensor attachment portion stretches out outside described liquid injection hole, and described pressure measurement through hole is arranged on described sensor attachment portion, and communicate with the inside of described battery core
Described baroceptor comprises main body, connecting hole, anticorrosion isolation diaphragm, detecting unit and signal output part, described connecting hole is arranged on the body, described anticorrosion isolation diaphragm closes the bottom of described connecting hole, described detecting unit is arranged in described main body, and described anticorrosion isolation diaphragm can be detected, described signal output part is arranged on the outside surface of described main body, and communicates to connect with described detecting unit
Described sensor attachment portion stretches in described connecting hole, and is tightly connected with described connecting hole, and described anticorrosion isolation diaphragm is communicated with described pressure measurement through hole.
2. pressure test sample book in battery core according to claim 1, it is characterized in that, described sensor attachment portion is column construction, described battery core connecting portion is the saddle around described sensor attachment portion, described saddle and described liquid injection hole fixed seal connection, outer rim and the described saddle of described connecting hole offset.
3. pressure test sample book in battery core according to claim 2, it is characterized in that, described sensor attachment portion is cylindrical structural, and the outer peripheral face of described sensor attachment portion is provided with external thread, is provided with the internal thread coordinated with described external thread in described connecting hole.
4. pressure test sample book in battery core according to claim 2, it is characterized in that, described saddle is arranged on the bottom of described sensor attachment portion.
5. pressure test sample book in battery core according to claim 2, it is characterized in that, also comprise packing washer, described packing washer is arranged between the outer rim of described saddle and described connecting hole.
6. pressure test sample book in battery core according to claim 5, it is characterized in that, described packing washer is fluororubber packing washer.
7. pressure test sample book in battery core according to claim 1, it is characterized in that, described connecting hole is arranged on the bottom of described main body, and described signal output part is arranged on the top of described main body.
8. pressure test sample book in battery core according to claim 1, it is characterized in that, described adapter is aluminium alloy adapter.
9. pressure test sample book in battery core according to claim 1, it is characterized in that, described anticorrosion isolation diaphragm is stainless steel isolation diaphragm.
10. a pressure test macro in battery core, is characterized in that, comprise in the battery core described in any one of claim 1 to 9 and press test sample book.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102667.9U CN205228701U (en) | 2015-12-25 | 2015-12-25 | Electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521102667.9U CN205228701U (en) | 2015-12-25 | 2015-12-25 | Electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system |
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| Publication Number | Publication Date |
|---|---|
| CN205228701U true CN205228701U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521102667.9U Active CN205228701U (en) | 2015-12-25 | 2015-12-25 | Electricity in -core is pressed test samples and is adopted electric in -core of this sample to press test system |
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|---|---|
| CN (1) | CN205228701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
| CN107449543A (en) * | 2016-06-01 | 2017-12-08 | 宁德时代新能源科技股份有限公司 | Hard shell secondary electric core internal pressure detection device |
| WO2023185508A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Adapter, testing device, battery cell, battery, and electric device |
-
2015
- 2015-12-25 CN CN201521102667.9U patent/CN205228701U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449543A (en) * | 2016-06-01 | 2017-12-08 | 宁德时代新能源科技股份有限公司 | Hard shell secondary electric core internal pressure detection device |
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
| CN107123830B (en) * | 2017-06-05 | 2023-11-03 | 常州厚丰新能源有限公司 | High-tightness battery cell leakage detection device and leakage detection method thereof |
| WO2023185508A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Adapter, testing device, battery cell, battery, and electric device |
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