CN107884133A - The detection method of electrokinetic cell water cooling pole air-tightness - Google Patents

The detection method of electrokinetic cell water cooling pole air-tightness Download PDF

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Publication number
CN107884133A
CN107884133A CN201711021332.8A CN201711021332A CN107884133A CN 107884133 A CN107884133 A CN 107884133A CN 201711021332 A CN201711021332 A CN 201711021332A CN 107884133 A CN107884133 A CN 107884133A
Authority
CN
China
Prior art keywords
water cooling
cooling pole
tightness
pole
detection
Prior art date
Application number
CN201711021332.8A
Other languages
Chinese (zh)
Inventor
吴涛
贺洪
靳树峰
常莹
翟广博
张进宇
Original Assignee
淄博火炬能源有限责任公司
Priority date (The priority date 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 date listed.)
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Application filed by 淄博火炬能源有限责任公司 filed Critical 淄博火炬能源有限责任公司
Priority to CN201711021332.8A priority Critical patent/CN107884133A/en
Publication of CN107884133A publication Critical patent/CN107884133A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool

Abstract

The present invention relates to a kind of detection method of electrokinetic cell water cooling pole air-tightness, belong to power battery technology field.The detection method of electrokinetic cell water cooling pole air-tightness of the present invention, it is that more water cooling poles are put into water bath, connected between water cooling pole using U-shaped connecting tube, the water nozzle of first water cooling pole is connected by quick-release connector with compressed air line, the water nozzle of last root water cooling pole is sealed with seal nipple, it is passed through 0.4~0.6MPa compressed airs, the 5min of pressurize 3.The design of the invention is scientific and reasonable, simple and convenient, efficiency high, extends the service life of battery, improves safety coefficient during use.

Description

The detection method of electrokinetic cell water cooling pole air-tightness

Technical field

The present invention relates to a kind of detection method of electrokinetic cell water cooling pole air-tightness, belong to power battery technology field.

Background technology

Pole is the important spare part of battery, mainly plays input, output current, when have high current input or output When, pole produces heat, causes battery temp to raise, influences the life of storage battery, it is necessary to takes cooling measure to pole.It is dynamic Power battery typically uses water cooling pole, has cooling line inside pole, directly pole is cooled down, improves cooling effect. Water cooling pole belongs to cast member, is to form one layer of metal of casting outside the copper core body with refrigerating function.Due to copper and lead Shrinkage factor when heated is different, peeling easily occurs between copper core body and metal after casting.If metal exist micro-crack, The defects of stomata, after assembled battery, acid solution prolongs micro-crack infiltration, under chemistry and electrochemical action, by copper core body corrosion failure, Influence service lifetime of accumulator and the security used.Therefore, it is necessary to the air-tightness of water cooling pole is detected.

The content of the invention

It is an object of the invention to provide a kind of detection method of electrokinetic cell water cooling pole air-tightness, its design science is closed Reason, simple and convenient, efficiency high, extends the service life of battery, improves safety coefficient during use.

The detection method of electrokinetic cell water cooling pole air-tightness of the present invention, it is that more water cooling poles are put into water-bath In groove, connected between water cooling pole using U-shaped connecting tube, quick-release connector is empty with compression by the water nozzle of first water cooling pole Air pipe is connected, and the water nozzle of last root water cooling pole is sealed with seal nipple, is passed through 0.4~0.6MPa compressed airs, pressurize 3-5min。

Preferably, the quantity of water cooling pole is 2-4 roots, in this case, detection efficiency highest.

Pressure gauge is housed on the compressed air line.

The quick-release connector maximum extension diameter matches with external diameter at water cooling pole water nozzle bayonet socket.

The U-shaped connection bore is interference fitted with diameter at water cooling pole water nozzle bayonet socket, the material used in U-shaped connecting tube With certain elasticity, and certain pressure can be born.

The seal nipple one end open, match with internal thread, and with water cooling pole water nozzle external screw thread.

The present invention utilizes quick-release connector, U-shaped connecting tube and seal nipple, sealing pipeline is formed with water cooling pole, by logical Enter the compressed air of certain pressure, liquid level state in pressure value and water bath is observed, to judge electrokinetic cell water cooling pole Air-tightness, then judge whether the castability of water cooling pole is qualified.Described quick-release connector coordinates with water cooling pole water nozzle, energy Enough fast and easy grafting;U-shaped connecting tube connects multiple water cooling poles, improves detection efficiency;Sealing device is by the other end Sealing, prevents the pressure leakages in pressure maintaining period.

The present invention compared with prior art, has the advantages that:

The design of the invention is scientific and reasonable, simple and convenient, efficiency high, extends the service life of battery, improves Safety coefficient during use.

Brief description of the drawings

Fig. 1 is electrokinetic cell water cooling pole column structure schematic diagram;

Fig. 2 is the scheme of installation of the present invention;

In figure, 1, water nozzle bayonet socket;2nd, water nozzle screw thread;3rd, quick-release connector;4th, U-shaped connecting tube;5th, seal nipple.

Embodiment

With reference to embodiment, the present invention is further illustrated, but it is not intended to limit the implementation of the present invention.

Embodiment 1

As depicted in figs. 1 and 2, the detection method of described electrokinetic cell water cooling pole air-tightness, step are as follows:

(1) take three water cooling poles to be put into distilled water water bath, arranged by series sequence, liquid level is to submerge pole 100mm or so;

(2) water nozzle of first water cooling pole is connected with compressed air line with quick-release connector, the other end and second Pole is connected with U-shaped connecting tube, and is tightened using tightening nut, and remaining is sequentially connected, and the water nozzle of the 3rd pole is sealed Joint sealing;

(3) be passed through 0.4MPa compressed airs into compressed air line, keep 3min, observation pressure gauge reading whether under Drop, while observe whether have bubble generation in water bath.

As a result show, pressure gauge reading slightly decreases, it was observed that there is minute bubbles generation in water bath, shows water cooling pole Air-tightness is bad.

Embodiment 2

As depicted in figs. 1 and 2, the detection method of described electrokinetic cell water cooling pole air-tightness, step are as follows:

(1) take two water cooling poles to be put into distilled water water bath, arranged by series sequence, liquid level is to submerge pole 100mm or so;

(2) water nozzle of first water cooling pole is connected with compressed air line with quick-release connector, the other end and second Pole is connected with U-shaped connecting tube, and is tightened using tightening nut, and the water nozzle of second pole is sealed with seal nipple;

(3) be passed through 0.5MPa compressed airs into compressed air line, keep 4min, observation pressure gauge reading whether under Drop, while observe whether have bubble generation in water bath.

As a result show, pressure gauge reading does not change, it was observed that not having bubble in water bath, shows water cooling pole air-tightness Well.

Embodiment 3

As depicted in figs. 1 and 2, the detection method of described electrokinetic cell water cooling pole air-tightness, step are as follows:

(1) take five water cooling poles to be put into distilled water water bath, arranged by series sequence, liquid level is to submerge pole 100mm or so;

(2) water nozzle of first water cooling pole is connected with compressed air line with quick-release connector, the other end and second Pole is connected with U-shaped connecting tube, and is tightened using tightening nut, and remaining is sequentially connected, and the water nozzle of the 5th pole is sealed Joint sealing;

(3) be passed through 0.5MPa compressed airs into compressed air line, keep 5min, observation pressure gauge reading whether under Drop, while observe whether have bubble generation in water bath.

As a result show, pressure gauge reading does not change, it was observed that not having bubble in water bath, shows water cooling pole air-tightness Well.

Claims (7)

  1. A kind of 1. detection method of electrokinetic cell water cooling pole air-tightness, it is characterised in that:More water cooling poles are put into water-bath In groove, connected between water cooling pole using U-shaped connecting tube, with quick-release connector by the water nozzle of first water cooling pole and compression Air pipe line is connected, and the water nozzle of last root water cooling pole is sealed with seal nipple, is passed through compressed air and pressurize.
  2. 2. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:Water cooling pole Quantity be 2-4 roots.
  3. 3. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:Compressed air Pressure gauge is housed on pipeline.
  4. 4. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:Quick-release connector Maximum extension diameter matches with external diameter at water cooling pole water nozzle bayonet socket.
  5. 5. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:U-shaped connects Bore is interference fitted with diameter at water cooling pole water nozzle bayonet socket.
  6. 6. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:Seal nipple One end open, match with internal thread, and with water cooling pole water nozzle external screw thread.
  7. 7. the detection method of electrokinetic cell water cooling pole air-tightness according to claim 1, it is characterised in that:It is passed through 0.4 ~0.6MPa compressed airs, pressurize 3-5min.
CN201711021332.8A 2017-10-27 2017-10-27 The detection method of electrokinetic cell water cooling pole air-tightness CN107884133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711021332.8A CN107884133A (en) 2017-10-27 2017-10-27 The detection method of electrokinetic cell water cooling pole air-tightness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711021332.8A CN107884133A (en) 2017-10-27 2017-10-27 The detection method of electrokinetic cell water cooling pole air-tightness

Publications (1)

Publication Number Publication Date
CN107884133A true CN107884133A (en) 2018-04-06

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CN (1) CN107884133A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202614481U (en) * 2012-02-21 2012-12-19 上海航天电源技术有限责任公司 Positive voltage leakage detection apparatus of lithium ion battery
CN103134644A (en) * 2013-01-29 2013-06-05 昆山弗尔赛能源有限公司 Rapid gas tightness testing equipment of fuel cell stack
CN203259317U (en) * 2013-04-15 2013-10-30 北京联飞翔科技股份有限公司 Filter leak detection device
CN103528764A (en) * 2013-10-17 2014-01-22 奇瑞汽车股份有限公司 System for measuring leakage of anti-explosion valve and pole of lithium ion battery
CN103792075A (en) * 2014-01-13 2014-05-14 广西科穗环境科技有限公司 Novel air cylinder quality verification device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202614481U (en) * 2012-02-21 2012-12-19 上海航天电源技术有限责任公司 Positive voltage leakage detection apparatus of lithium ion battery
CN103134644A (en) * 2013-01-29 2013-06-05 昆山弗尔赛能源有限公司 Rapid gas tightness testing equipment of fuel cell stack
CN203259317U (en) * 2013-04-15 2013-10-30 北京联飞翔科技股份有限公司 Filter leak detection device
CN103528764A (en) * 2013-10-17 2014-01-22 奇瑞汽车股份有限公司 System for measuring leakage of anti-explosion valve and pole of lithium ion battery
CN103792075A (en) * 2014-01-13 2014-05-14 广西科穗环境科技有限公司 Novel air cylinder quality verification device

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Application publication date: 20180406