CN102384854A - Temperature control type battery extruder - Google Patents
Temperature control type battery extruder Download PDFInfo
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- CN102384854A CN102384854A CN2010102705117A CN201010270511A CN102384854A CN 102384854 A CN102384854 A CN 102384854A CN 2010102705117 A CN2010102705117 A CN 2010102705117A CN 201010270511 A CN201010270511 A CN 201010270511A CN 102384854 A CN102384854 A CN 102384854A
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Abstract
The invention relation to the technical field of battery test equipment, specifically to a temperature control type battery extruder, wherein an extruding device is installed on a test platform in a machine box body; a temperature control device controlled by a program is installed on one side of the extruding device inside the machine box body; one side of the temperature control device is provided with an air exhausting device while other side thereof is provided with a heat dissipating device; the heat dissipating device is installed in the machine box body and on a heating dissipating window; the test platform is provided with the extruding device; a servo motor, a speed changer and a compressor are arranged below the test platform; the servo motor is connected with the speed changer; the speed changer is connected with a screw rod connected with an extruding test head; the screw rod and the extruding test head are connected by fixing blocks; the fixing blocks are movably sleeved by more than two guide columns. The invention has a scientific structure design. The invention can perform extrusion test on the battery at different temperatures. The invention is convenient to operate and has a good safety performance.
Description
Technical field:
The present invention relates to the battery testing equipment technical field, refer in particular to temperature control type battery extruder.
Background technology:
At present; The field of battery applications is more and more wider, all disposes battery as power supply or as standby power supply on a lot of electric products, is used for than rugged environment at a little electric products; For example: under cold or the hot environment, motion collision, extruding or bump often have generation; Then the reliability requirement to battery is higher under this environment for use, under extruding or bump, blasts or damaged the leakage to prevent battery, thereby people or thing are caused damage.Therefore when selecting battery for use, need carry out reliability testing, especially need push test, to judge the anti-extrusion performance of battery to battery to battery.
But; Particularly under the environment of cold or high temperature, higher to the requirement meeting of battery, at present; In the industry battery being pushed test all is under the condition of normal temperature, to carry out; Through the battery of safety extruding test, under the environment of cold or high temperature, be unsafe under the condition of normal temperature, temperature control type battery extrusion equipment is the blank of present industry.
Summary of the invention:
The objective of the invention is the deficiency to prior art, and temperature control type battery extruder is provided, its scientific structure design can be pushed test to battery under different temperatures, and is easy to operate, security performance good.
For realizing above-mentioned purpose, the present invention adopts following technical scheme, and it comprises box body, pressurizing unit, attemperating unit; The bottom of box body is equipped with roller, bracing frame; Box body is provided with inspection door, offers threading hole on the side box body of box body, on the test board in the box body pressurizing unit is installed; Programme controlled attemperating unit is installed in pressurizing unit one side in the box body; One side of attemperating unit is provided with air exhausting device, and the opposite side of attemperating unit is provided with heat abstractor, and heat abstractor is installed in the box body and is positioned at heat radiation window place; Pressurizing unit is installed on the test board; The test board below is provided with servomotor, variator, compressor; Servomotor connects variator, and variator connects screw mandrel, and screw mandrel connects the extruding measuring head; Screw mandrel is connected through fixed block with the extruding measuring head, and fixed block is through the guide pillar pivot bush unit more than two.
The heatable temperature of described attemperating unit is extremely-40 degree of+100 degree, and attemperating unit is connected with compressor, and compressor is a refrigeration compressor, and attemperating unit receives mainframe program to heat automatically, lower the temperature.
Described heat abstractor has been the thermolysis condenser.
Described air exhausting device is that motor exhaust drives the fan formation.
Described inspection door is provided with inspection hatch.
Described compressor is connected with heat abstractor.
Beneficial effect of the present invention is: a side of attemperating unit is provided with air exhausting device, and the opposite side of attemperating unit is provided with heat abstractor, and heat abstractor is installed in the box body and is positioned at heat radiation window place; Pressurizing unit is installed on the test board, and the test board below is provided with servomotor, variator, compressor, and servomotor connects variator; Variator connects screw mandrel, and screw mandrel connects the extruding measuring head, and screw mandrel is connected through fixed block with the extruding measuring head; Fixed block is through the guide pillar pivot bush unit more than two; Its scientific structure design can be pushed test to battery under different temperatures, easy to operate, security performance good.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an other direction structural representation of the present invention;
Fig. 3 is an inner structure synoptic diagram of the present invention;
Fig. 4 is the structural representation of pressurizing unit of the present invention;
Fig. 5 is the embodiments of the invention synoptic diagram, and a is the pressurizing mold of cylindrical battery, and b is the pressurizing mold of square battery.
Embodiment:
See that Fig. 1 is to shown in Figure 5: the present invention includes box body 1, pressurizing unit 2, attemperating unit 7; It is characterized in that: the bottom of box body 1 is equipped with roller 11, bracing frame 12; Box body 1 is provided with inspection door 3, offers threading hole 5 on the side box body of box body 1, on the test board 2A in the box body 1 pressurizing unit 2 is installed; Programme controlled attemperating unit 7 is installed in pressurizing unit 2 one sides in the box body 1; One side of attemperating unit 7 is provided with air exhausting device 61, and the opposite side of attemperating unit 7 is provided with heat abstractor 8, and heat abstractor 8 is installed in the box body 1 and is positioned at heat radiation window 4 places; Pressurizing unit 2 is installed on the test board 2A; Test board 2A below is provided with servomotor 24, variator 22, compressor 23; Servomotor 24 connects variator 22, and variator 22 connects screw mandrel 25, and screw mandrel 25 connects extruding measuring head 21; Screw mandrel 25 is connected through fixed block 21A with extruding measuring head 21, and fixed block 21A is through guide pillar 26 pivot bush units more than two.
Described attemperating unit 7 heatable temperature be+100 degree to-40 degree, attemperating unit 7 is connected with compressor 23, compressor 23 is a refrigeration compressor, attemperating unit 7 receives mainframe program to heat automatically, lower the temperature, and under high temperature and high and cold environment, all can accurately test.
Described heat abstractor 8 has been the thermolysis condenser.
Described air exhausting device 61 is that motor exhaust 62 drives fan 61 formations.
Described inspection door 3 is provided with inspection hatch 31, and inspection hatch 31 can be observed the variation of battery.
Described compressor 23 is connected with heat abstractor 8.
Principle of work of the present invention is following:
Energized is put into battery on pressurizing unit 2, according to the temperature of setting; Press operating key (not looking out among the figure), servomotor 24, variator 22, compressor 23, servomotor 24 drives variator 22 (reductor); Variator 22 makes screw mandrel 25 rotate drive fixed block 21A and moves up and down at guide pillar 26, and 21 pairs of batteries of extruding measuring head push test, when needing to regulate temperature; Press and regulate the temperature operating key, attemperating unit 7 heatable temperature are extremely-40 degree of+90 degree, and attemperating unit 7 is connected with compressor 23; Compressor 23 is a refrigeration compressor, and attemperating unit 7 receives mainframe program to heat automatically, lower the temperature, and under high temperature and high and cold environment, all can accurately test; The temperature-sensing probe (not shown) is wherein arranged in the casing, but the temperature in the temperature-sensing probe perception casing, and temperature data can show on the screen of apparent operation.
Be concrete testing scheme below:
One, the blunt thorn extruding of battery scheme:
1, this test adopts full electric core to measure its resistivity to electric in-core portion partial short-circuit.The electricity core carries out at least three circulations according to the charging/discharging thereof of manufacturer's regulation.The environment temperature of circulation time is 20 ℃ ± 5 ℃.Last charging should make electric core reach the maximum state of charge of manufacturer's regulation.On electric core housing, be close to thermopair to monitor electric core temperature.
2, reach its maximum state-of-charge when loop ends and electric core, electric core is placed 45min～2h in the high-temperature cabinet of circulation of air, the temperature setting range in the high-temperature cabinet is 5 ℃-100 ℃; The electricity core keeps above-mentioned heated condition (still in high-temperature cabinet), makes electric core stand blunt thorn extruding at the central part of test board 2A then.The draw point of the diameter 3.2mm (0.125in) that uses, its hardness is equivalent to SKD-11 at least, and its extreme rounding is to prevent to pierce through electric core housing (see figure 2).In extrusion process, continuous monitoring electricity wicking surface temperature and open-circuit voltage (OCV), and the monitoring sampling rate of OCV was 100 test point/seconds.Maximum extrusion speed is 0.1mm/s.
3, continue extruding and inner individual layer short circuit (show as open-circuit voltage and the voltage drop of 100mV at least occurs) takes place until electric core.When reaching this pressure drop, stop extruding immediately.Sample is cooled to room temperature ± 10 ℃.Whether sample for reference is not pierced with its shell in the confirmed test process then, and occur on fire or break/explode.
4, criterion, not on fire, the three kinds of forms of not breaking, do not explode.
Two, battery squeeze test scheme:
1, the temperature of affirmation electrode body reaches in the scope of standard code, begins test;
2, use the pressurizing mold (on the stainless steel square column of the length of side, attach the thick nitrile rubber of 2mm, add one 5 * 5mm size, the acrylic panel of thick 2mm) of Fig. 5 regulation, fall pressurizing mold with the speed of 0.1mm/ second at the front end of square column as 10mm * 10mm.
3, pressurization stops
At any time measure the voltage of (voltage measurement per second is at interval got more than 100 points) single-cell electrodes body, be forced into short circuit (detect voltage and drop to 50mV when above, be short circuit) from preliminary examination voltage.The moment being confirmed to be short circuit stops the pressurizing mold that descends, and recession removes applied pressure in 30 seconds.Failing to confirm that the upper limit of pressurization, cylindricity are 800N under the situation of short circuit, square is 400N, when the spot pressure that reaches separately, removes applied pressure.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (6)
1. temperature control type battery extruder; It comprises box body (1), pressurizing unit (2), attemperating unit (7), it is characterized in that: the bottom of box body (1) is equipped with roller (11), bracing frame (12), and box body (1) is provided with inspection door (3); Offer threading hole (5) on one side box body of box body (1); On the test board (2A) in the box body (1) pressurizing unit (2) is installed, programme controlled attemperating unit (7) is installed in pressurizing unit (2) one sides in the box body (1), and a side of attemperating unit (7) is provided with air exhausting device (61); The opposite side of attemperating unit (7) is provided with heat abstractor (8), and heat abstractor (8) is installed in the box body (1) and is positioned at heat radiation window (4) and locates; Pressurizing unit (2) is installed on the test board (2A); Test board (2A) below is provided with servomotor (24), variator (22), compressor (23); Servomotor (24) connects variator (22), and variator (22) connects screw mandrel (25), and screw mandrel (25) connects extruding measuring head (21); Screw mandrel (25) is connected through fixed block (21A) with extruding measuring head (21), and fixed block (21A) is through guide pillar (26) pivot bush unit more than two.
2. temperature control type battery extruder according to claim 1; It is characterized in that: the heatable temperature of described attemperating unit (7) is spent to-40 degree for+100; Attemperating unit (7) is connected with compressor (23); Compressor (23) is a refrigeration compressor, and attemperating unit (7) receives mainframe program to heat automatically, lower the temperature.
3. temperature control type battery extruder according to claim 1 is characterized in that: described heat abstractor (8) has been the thermolysis condenser.
4. temperature control type battery extruder according to claim 1 is characterized in that: described air exhausting device (61) constitutes for motor exhaust (62) drives fan (61).
5. temperature control type battery extruder according to claim 1 is characterized in that: described inspection door (3) is provided with inspection hatch (31).
6. temperature control type battery extruder according to claim 1 is characterized in that: described compressor (23) is connected with heat abstractor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102705117A CN102384854A (en) | 2010-09-02 | 2010-09-02 | Temperature control type battery extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102705117A CN102384854A (en) | 2010-09-02 | 2010-09-02 | Temperature control type battery extruder |
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| CN102384854A true CN102384854A (en) | 2012-03-21 |
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| CN2010102705117A Pending CN102384854A (en) | 2010-09-02 | 2010-09-02 | Temperature control type battery extruder |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788927A (en) * | 2012-08-23 | 2012-11-21 | 四川鑫唐新能源科技有限公司 | Detecting method for accelerating short circuit failure of square lithium battery cell |
| CN104076288A (en) * | 2013-03-28 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Battery testing device |
| CN105203959A (en) * | 2015-08-17 | 2015-12-30 | 合肥国轩高科动力能源有限公司 | Multi-purpose power cell test device |
| CN106124998A (en) * | 2016-08-10 | 2016-11-16 | 惠州出入境检验检疫局检验检疫综合技术中心 | A kind of lithium battery interior short circuit test method |
| CN106180237A (en) * | 2016-08-26 | 2016-12-07 | 无锡市源昌机械制造有限公司 | Possesses the extruder of air draft cooling and illumination functions |
| CN106345837A (en) * | 2016-08-26 | 2017-01-25 | 无锡市源昌机械制造有限公司 | Extruding mechanism with cooling systems for extruding machine |
| CN107132487A (en) * | 2017-06-22 | 2017-09-05 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway propagates test system |
| CN107238799A (en) * | 2016-03-28 | 2017-10-10 | 新材料与产业技术北京研究院 | Battery test apparatus |
| CN108287311A (en) * | 2017-12-12 | 2018-07-17 | 深圳天溯计量检测股份有限公司 | A kind of power battery short-circuit test machine and test method |
| CN109061507A (en) * | 2018-08-31 | 2018-12-21 | 宁德新能源科技有限公司 | Battery test system and battery testing method |
| CN110907839A (en) * | 2019-11-21 | 2020-03-24 | 宁德新能源科技有限公司 | Battery testing system and battery testing method |
| CN111077451A (en) * | 2019-11-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lithium ion battery voltage withstanding test method |
| CN115494410A (en) * | 2022-09-29 | 2022-12-20 | 上海毅信环保科技有限公司 | Automatic detection device for assembled energy storage battery |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788927B (en) * | 2012-08-23 | 2014-11-05 | 四川鑫唐新能源科技有限公司 | Detecting method for accelerating short circuit failure of square lithium battery cell |
| CN102788927A (en) * | 2012-08-23 | 2012-11-21 | 四川鑫唐新能源科技有限公司 | Detecting method for accelerating short circuit failure of square lithium battery cell |
| CN104076288A (en) * | 2013-03-28 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Battery testing device |
| CN105203959A (en) * | 2015-08-17 | 2015-12-30 | 合肥国轩高科动力能源有限公司 | Multi-purpose power cell test device |
| CN107238799A (en) * | 2016-03-28 | 2017-10-10 | 新材料与产业技术北京研究院 | Battery test apparatus |
| CN107238799B (en) * | 2016-03-28 | 2023-09-12 | 新材料与产业技术北京研究院 | Battery testing device |
| CN106124998A (en) * | 2016-08-10 | 2016-11-16 | 惠州出入境检验检疫局检验检疫综合技术中心 | A kind of lithium battery interior short circuit test method |
| CN106124998B (en) * | 2016-08-10 | 2018-09-25 | 惠州出入境检验检疫局检验检疫综合技术中心 | A kind of lithium battery interior short circuit test method |
| CN106345837A (en) * | 2016-08-26 | 2017-01-25 | 无锡市源昌机械制造有限公司 | Extruding mechanism with cooling systems for extruding machine |
| CN106180237A (en) * | 2016-08-26 | 2016-12-07 | 无锡市源昌机械制造有限公司 | Possesses the extruder of air draft cooling and illumination functions |
| CN107132487A (en) * | 2017-06-22 | 2017-09-05 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway propagates test system |
| CN108287311A (en) * | 2017-12-12 | 2018-07-17 | 深圳天溯计量检测股份有限公司 | A kind of power battery short-circuit test machine and test method |
| CN109061507A (en) * | 2018-08-31 | 2018-12-21 | 宁德新能源科技有限公司 | Battery test system and battery testing method |
| US11598815B2 (en) | 2018-08-31 | 2023-03-07 | Ningde Amperex Technology Limited | Battery test system and battery test method |
| CN110907839A (en) * | 2019-11-21 | 2020-03-24 | 宁德新能源科技有限公司 | Battery testing system and battery testing method |
| CN111077451A (en) * | 2019-11-27 | 2020-04-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lithium ion battery voltage withstanding test method |
| CN111077451B (en) * | 2019-11-27 | 2022-05-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lithium ion battery voltage withstanding test method |
| CN115494410A (en) * | 2022-09-29 | 2022-12-20 | 上海毅信环保科技有限公司 | Automatic detection device for assembled energy storage battery |
| CN115494410B (en) * | 2022-09-29 | 2023-05-30 | 上海毅信环保科技有限公司 | Automatic detection device for assembled energy storage battery |
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Application publication date: 20120321 |