CN104006923B - Ultracapacitor air-tightness detection method and air tightness detection machine - Google Patents
Ultracapacitor air-tightness detection method and air tightness detection machine Download PDFInfo
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- CN104006923B CN104006923B CN201410055318.XA CN201410055318A CN104006923B CN 104006923 B CN104006923 B CN 104006923B CN 201410055318 A CN201410055318 A CN 201410055318A CN 104006923 B CN104006923 B CN 104006923B
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Abstract
The present invention relates to electrical condenser detection field, it is intended that provide a kind of ultracapacitor air-tightness detection method and air tightness detection machine. A kind of ultracapacitor air-tightness detection method, puts into insulated hold by the ultracapacitor after cleaning; Temperature in insulated hold is raised to 60 DEG C to 70 DEG C, by the resistance to air loss of vision sensor and leakage instrument detection ultracapacitor; Constant temperature is incubated, and in control insulated hold, temperature fluctuation is less than �� 2 DEG C; Temperature in insulated hold is down to room temperature; The ultracapacitor being cooled to room temperature is taken out the resistance to air loss checking ultracapacitor. This ultracapacitor air-tightness detection method, prevents ultracapacitor electrolyte leakage when burin-in process, ensures aging equipment safety. Ultracapacitor air-leakage test function meets the requirement of ultracapacitor air-leakage test.
Description
Technical field
The present invention relates to electrical condenser detection field, especially a kind of ultracapacitor air-tightness detection method and air tightness detection machine.
Background technology
Ultracapacitor makes again double layer capacitor be a kind of Novel energy storage apparatus, the features such as it has, and the duration of charging is short, long service life, good temp characteristic, save energy and environmental protection. The invention of Chinese Patent Application No. 201210140580.5 relates to a kind of high-performance super capacitor and manufacturing process thereof, and this ultracapacitor is made up of electrode cores, electrolytic solution and shell. The positive and negative electrode lug of ready electrode cores is welded by described manufacturing process with positive and negative electrode leading-out end, then the electrode cores of the leading-out end welded is loaded in shell, again the shell having filled electrode cores being put into vacuum drying oven and carry out vacuum-drying, last vacuum liquid-injecting mouth detects. Ultracapacitor needs to carry out burin-in process after cleaning; If the resistance to air loss of ultracapacitor is poor, when burin-in process, electrolytic solution easily leaks from weld seam leading-out terminal and reducing valve installation place, the injury region of shell, the pore of shell or weld seam etc., and corrosion and ageing equipment causes potential safety hazard; Therefore, design one prevents ultracapacitor electrolyte leakage when burin-in process, ensures ultracapacitor air-tightness detection method and the air tightness detection machine of aging equipment safety, becomes problem demanding prompt solution.
Summary of the invention
It is an object of the invention to lack the deficiency of air-tightness detection method and air-tightness detection device in order to overcome current ultracapacitor, there is provided one to prevent ultracapacitor electrolyte leakage when burin-in process, ensure ultracapacitor air-tightness detection method and the air tightness detection machine of aging equipment safety.
The concrete technical scheme of the present invention is:
A kind of ultracapacitor air-tightness detection method, the ultracapacitor after cleaning is put into the insulated hold of air tightness detection machine and is closed hatch door sealing by (1); (2) unlatching heating unit heats and opens blower fan, by recirculating air, the temperature in insulated hold is raised to 60 DEG C to 70 DEG C, detects ultracapacitor with or without electrolyte leakage by vision sensor and leakage instrument, detects the resistance to air loss of ultracapacitor; (3) close blower fan, the thermostatic in insulated hold keep 1 little of 3 hours, by vision sensor and leakage instrument detection ultracapacitor with or without electrolyte leakage, the resistance to air loss of detection ultracapacitor; (4) constant temperature keeps in insulated hold during temperature, and in control insulated hold, temperature fluctuation is less than �� 2 DEG C; (5) close heating unit, open hatch door, open blower fan cold wind and the temperature in insulated hold is down to room temperature, detect ultracapacitor with or without electrolyte leakage by vision sensor, detect the resistance to air loss of ultracapacitor; (6) ultracapacitor being cooled to room temperature is taken out outside insulated hold, check that ultracapacitor is with or without electrolyte leakage, detects the resistance to air loss of ultracapacitor. This ultracapacitor air-tightness detection method is incubated by detection ultracapacitor heating, constant temperature and is cooled to the resistance to air loss of normal temperature before burin-in process, by leakage instrument, vision sensor and visual Multi-channel detection, detection unacceptable product, the ultracapacitor entering burin-in process is made to be salable product, prevent ultracapacitor electrolyte leakage when burin-in process, ensure aging equipment safety.
A kind of ultracapacitor air tightness detection machine, the heating unit comprise the insulated hold being provided with one to five transverse wall and hatch door, being arranged in insulated hold sidewall and temperature controller, be provided with the intake opening and air outlet opening that are connected with insulated hold and be connected with insulated hold installation cabin, be installed on the leakage instrument installed in cabin, be installed on and install in cabin and blower fan that outlet air end is connected with intake opening; The vision sensor that the upside of each transverse wall is equipped with insulated hold sidewall is connected; Transverse wall is provided with the ventilation hole group of through upper surface and lower surface. By controller control when this ultracapacitor air tightness detection machine uses, it is possible to heating, the constant temperature of ultracapacitor is incubated and is cooled to the resistance to air loss of normal temperature, carries out leak detection by leakage instrument, carry out vision-based detection by vision sensor; Temperature controller can control the temperature in insulated hold; Transverse wall is provided with ventilation hole group, by blower fan, insulated hold ventilation is made temperature equalisation in insulated hold, it is possible to improve efficiency and the accuracy of ultracapacitor air-leakage test.
As preferably, described installation cabin is provided with safety valve. It is convenient to let out except insulated hold and pressure too high in cabin is installed, it is ensured that safety.
As preferably, described ultracapacitor air tightness detection machine, also comprises and installs the cylinder that cabin is connected and the plugging plate being connected with the cylinder bar of cylinder; Cabin is installed and is provided with air intlet; Plugging plate is relative with air intlet. Unlatching air intlet can be accelerated blower fan cold wind and the temperature in insulated hold is down to room temperature.
As preferably, the upper end of described transverse wall is provided with some to Workpiece fixing block; The relative side of often pair of Workpiece fixing block is provided with the locating notch through with upper surface. Ultracapacitor is placed on the locating notch of Workpiece fixing block, is convenient to the bottom surface heating and cooling of ultracapacitor.
As preferably, described heating unit is the electric heating tube of back and forth arrangement. Compact construction and heating-surface area are big.
Compared with prior art, the invention has the beneficial effects as follows: this ultracapacitor air-tightness detection method is incubated by detection ultracapacitor heating, constant temperature and is cooled to the resistance to air loss of normal temperature before burin-in process, by leakage instrument, vision sensor and visual Multi-channel detection, detection unacceptable product, the ultracapacitor entering burin-in process is made to be salable product, prevent ultracapacitor electrolyte leakage when burin-in process, ensure aging equipment safety. By controller control when this ultracapacitor air tightness detection machine uses, it is possible to heating, the constant temperature of ultracapacitor is incubated and is cooled to the resistance to air loss of normal temperature, carries out leak detection by leakage instrument, carry out vision-based detection by vision sensor; Temperature controller can control the temperature in insulated hold; Transverse wall is provided with ventilation hole group, by blower fan, insulated hold ventilation is made temperature equalisation in insulated hold, it is possible to improve efficiency and the accuracy of ultracapacitor air-leakage test. Installation cabin is provided with safety valve and is convenient to let out except insulated hold and installs pressure too high in cabin, it is ensured that safety. Unlatching air intlet can be accelerated blower fan cold wind and the temperature in insulated hold is down to room temperature. Ultracapacitor is placed on the locating notch of Workpiece fixing block, is convenient to the bottom surface heating and cooling of ultracapacitor. Heating unit is the electric heating tube of back and forth arrangement, and compact construction and heating-surface area are big.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure: heating unit-1, insulated hold-2, hatch door-21, transverse wall-22, ventilation hole group-23, thermal insulation layer-24, installation cabin-3, air holes-31, air outlet opening-32, air intlet-33, Workpiece fixing block-4, locating notch-41, temperature controller-5, leakage instrument-6, blower fan-7, cylinder-8, plugging plate-9, vision sensor-10, safety valve-11, ultracapacitor-12.
Embodiment
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in Figure 1: a kind of ultracapacitor air-tightness detection method, the ultracapacitor 12 after cleaning is put into the insulated hold 2 of air tightness detection machine and is closed hatch door 21 and seal by (1); (2) unlatching heating unit 1 heats and opens blower fan 7, by recirculating air, the temperature in insulated hold 2 is raised to 60 DEG C, detects ultracapacitor 12 with or without electrolyte leakage by vision sensor 10 and leakage instrument 6, detects the resistance to air loss of ultracapacitor 12; (3) closing blower fan 7, the thermostatic in insulated hold 2 keeps 2 hours, detects ultracapacitor 12 with or without electrolyte leakage by vision sensor 10 and leakage instrument 6, detects the resistance to air loss of ultracapacitor 12; (4) constant temperature keeps in insulated hold 2 during temperature, and in control insulated hold 2, temperature fluctuation is less than �� 2 DEG C; (5) close heating unit 1, open hatch door 21, open blower fan 7 cold wind and the temperature in insulated hold 2 is down to room temperature, detect ultracapacitor 12 with or without electrolyte leakage by vision sensor 10, detect the resistance to air loss of ultracapacitor 12; (6) ultracapacitor 12 being cooled to room temperature is taken out outside insulated hold 2, check that ultracapacitor 12 is with or without electrolyte leakage, detects the resistance to air loss of ultracapacitor 12.
A kind of ultracapacitor air tightness detection machine, the heating unit 1 comprise the insulated hold 2 being provided with three transverse walls 22 and hatch door 21, being arranged in insulated hold 2 sidewall and temperature controller 5, be provided with the intake opening 31 and air outlet opening 32 that are connected with insulated hold 2 and be connected with insulated hold 2 installation cabin 3, be installed on the leakage instrument 6 installed in cabin 3, be installed on and install in cabin 3 and cylinder 8 that blower fan 7 that outlet air end is connected with intake opening 31 is connected with installation cabin 3 and the plugging plate 9 that is connected with the cylinder bar of cylinder 8; Cabin 3 is installed and is provided with air intlet 33; Plugging plate 9 is relative with air intlet 33; The vision sensor 10 that the upside of each transverse wall 22 is equipped with insulated hold 2 sidewall is connected; Transverse wall 22 is provided with the ventilation hole group 23 of through upper surface and lower surface.
Described installation cabin 3 is provided with safety valve 11.
The upper end of described transverse wall 22 is provided with six pairs of Workpiece fixing blocks 4; The relative side of often pair of Workpiece fixing block 4 is provided with the locating notch 41 through with upper surface.
Described heating unit 1 is the electric heating tube of back and forth arrangement. Described insulated hold 2 and the inner side of hatch door 21 are provided with thermal insulation layer 24. Described leakage instrument 6 is acid gas leakage detector. Described temperature controller 5 is nickel chromium-Kao copper thermopair.
The invention has the beneficial effects as follows: this ultracapacitor air-tightness detection method is incubated by detection ultracapacitor heating, constant temperature and is cooled to the resistance to air loss of normal temperature before burin-in process, by leakage instrument, vision sensor and visual Multi-channel detection, detection unacceptable product, the ultracapacitor entering burin-in process is made to be salable product, prevent ultracapacitor electrolyte leakage when burin-in process, ensure aging equipment safety. By controller control when this ultracapacitor air tightness detection machine uses, it is possible to heating, the constant temperature of ultracapacitor is incubated and is cooled to the resistance to air loss of normal temperature, carries out leak detection by leakage instrument, carry out vision-based detection by vision sensor; Temperature controller can control the temperature in insulated hold; Transverse wall is provided with ventilation hole group, by blower fan, insulated hold ventilation is made temperature equalisation in insulated hold, it is possible to improve efficiency and the accuracy of ultracapacitor air-leakage test. Installation cabin is provided with safety valve and is convenient to let out except insulated hold and installs pressure too high in cabin, it is ensured that safety. Unlatching air intlet can be accelerated blower fan cold wind and the temperature in insulated hold is down to room temperature. Ultracapacitor is placed on the locating notch of Workpiece fixing block, is convenient to the bottom surface heating and cooling of ultracapacitor. Heating unit is the electric heating tube of back and forth arrangement, and compact construction and heating-surface area are big.
It is apparent to one skilled in the art that the present invention can change into multiple mode, and such change is not thought and departed from the scope of the present invention. All such apparent amendments of the technician to described field, will be included within the scope of this claim.
Claims (5)
1. a ultracapacitor air-tightness detection method, is characterized in that: the ultracapacitor after cleaning is put into the insulated hold of air tightness detection machine and closed hatch door sealing by (1); (2) unlatching heating unit heats and opens blower fan, by recirculating air, the temperature in insulated hold is raised to 60 DEG C to 70 DEG C, detects ultracapacitor with or without electrolyte leakage by vision sensor and leakage instrument, detects the resistance to air loss of ultracapacitor; (3) close blower fan, the thermostatic in insulated hold keep 1 little of 3 hours, by vision sensor and leakage instrument detection ultracapacitor with or without electrolyte leakage, the resistance to air loss of detection ultracapacitor; (4) constant temperature keeps in insulated hold during temperature, and in control insulated hold, temperature fluctuation is less than �� 2 DEG C; (5) close heating unit, open hatch door, open blower fan cold wind and the temperature in insulated hold is down to room temperature, detect ultracapacitor with or without electrolyte leakage by vision sensor, detect the resistance to air loss of ultracapacitor; (6) ultracapacitor being cooled to room temperature is taken out outside insulated hold, check that ultracapacitor is with or without electrolyte leakage, detects the resistance to air loss of ultracapacitor; For the ultracapacitor air tightness detection machine of ultracapacitor air-tightness detection method, the heating unit comprise the insulated hold being provided with one to five transverse wall and hatch door, being arranged in insulated hold sidewall and temperature controller, be provided with the intake opening and air outlet opening that are connected with insulated hold and be connected with insulated hold installation cabin, be installed on the leakage instrument installed in cabin, be installed on and install in cabin and blower fan that outlet air end is connected with intake opening; The vision sensor that the upside of each transverse wall is equipped with insulated hold sidewall is connected; Transverse wall is provided with the ventilation hole group of through upper surface and lower surface.
2. ultracapacitor air-tightness detection method according to claim 1, is characterized in that: described installation cabin is provided with safety valve.
3. ultracapacitor air-tightness detection method according to claim 1 and 2, is characterized in that: also comprises and installs the cylinder that cabin is connected and the plugging plate being connected with the cylinder bar of cylinder; Cabin is installed and is provided with air intlet; Plugging plate is relative with air intlet.
4. ultracapacitor air-tightness detection method according to claim 1 and 2, is characterized in that: the upper end of described transverse wall is provided with some to Workpiece fixing block; The relative side of often pair of Workpiece fixing block is provided with the locating notch through with upper surface.
5. ultracapacitor air-tightness detection method according to claim 1 and 2, is characterized in that: described heating unit is the electric heating tube of back and forth arrangement.
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| CN201410055318.XA CN104006923B (en) | 2014-02-19 | 2014-02-19 | Ultracapacitor air-tightness detection method and air tightness detection machine |
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| CN201410055318.XA CN104006923B (en) | 2014-02-19 | 2014-02-19 | Ultracapacitor air-tightness detection method and air tightness detection machine |
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| CN104006923B true CN104006923B (en) | 2016-06-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500923B (en) * | 2016-12-02 | 2019-10-01 | 柯贝尔电能质量技术（上海）有限公司 | A kind of supercapacitor leak detection tool equipment |
| CN107664559A (en) * | 2017-08-01 | 2018-02-06 | 南通江海储能技术有限公司 | A kind of ultracapacitor leak hunting method |
| CN108663167A (en) * | 2018-06-22 | 2018-10-16 | 湖南耐普恩科技有限公司 | A kind of detection device of ultracapacitor leak detection anti-leak |
| CN109296933B (en) * | 2018-09-06 | 2020-04-28 | 福建省锅炉压力容器检验研究院 | CNG gas cylinder washs and gas tightness test air entrainment device |
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| CN102095557A (en) * | 2010-12-20 | 2011-06-15 | 天津力神电池股份有限公司 | Leak-detecting device of super capacitor |
| CN202329970U (en) * | 2011-05-25 | 2012-07-11 | 北京兴迪仪器有限责任公司 | Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) |
| CN102890204A (en) * | 2011-07-18 | 2013-01-23 | 神讯电脑(昆山)有限公司 | Constant temperature aging device |
| CN203385803U (en) * | 2013-06-26 | 2014-01-08 | 天津市三源电力设备制造有限公司 | Novel super capacitor detection circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58168973A (en) * | 1982-03-30 | 1983-10-05 | Nissin Electric Co Ltd | Testing method for equivalent temperature rise of large-capacitance capacitor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095557A (en) * | 2010-12-20 | 2011-06-15 | 天津力神电池股份有限公司 | Leak-detecting device of super capacitor |
| CN202329970U (en) * | 2011-05-25 | 2012-07-11 | 北京兴迪仪器有限责任公司 | Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) |
| CN102890204A (en) * | 2011-07-18 | 2013-01-23 | 神讯电脑(昆山)有限公司 | Constant temperature aging device |
| CN203385803U (en) * | 2013-06-26 | 2014-01-08 | 天津市三源电力设备制造有限公司 | Novel super capacitor detection circuit |
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Address after: 315112 Zhejiang city of Ningbo province Yinzhou District five Township Wuxiang No. 552 West Road Applicant after: NINGBO CRRC NEW ENERGY TECHNOLOGY CO., LTD. Address before: 315112 Zhejiang city of Ningbo province Yinzhou District five Township Wuxiang No. 552 West Road Applicant before: Ningbo Nanche New Energy Technology Co., Ltd. |
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Inventor after: Ruan Dianbo Inventor after: Li Zi Inventor after: Fu Guansheng Inventor after: Huang Qingfu Inventor after: Wu Zhenhuan Inventor before: Li Zi Inventor before: Ruan Dianbo Inventor before: Fu Guansheng Inventor before: Zhang Hongquan Inventor before: Chen Zhaoping Inventor before: Wu Zhenhuan |
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