CN101936784A - Temperature measuring device of shaft type capacitor - Google Patents
Temperature measuring device of shaft type capacitor Download PDFInfo
- Publication number
- CN101936784A CN101936784A CN201010270297.5A CN201010270297A CN101936784A CN 101936784 A CN101936784 A CN 101936784A CN 201010270297 A CN201010270297 A CN 201010270297A CN 101936784 A CN101936784 A CN 101936784A
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- CN
- China
- Prior art keywords
- temperature sensing
- type capacitor
- temperature
- temperature measuring
- sensing device
- 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.)
- Pending
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- 239000003990 capacitor Substances 0.000 title claims abstract description 38
- 239000000945 filler Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000013021 overheating Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention belongs to a temperature measuring device of a shaft-type capacitor of a high-power induction cooker, and provides the temperature measuring device of the shaft-type capacitor, which comprises the shaft-type capacitor, a wiring terminal and a temperature sensing device, wherein the two ends of the shaft-type capacitor are respectively provided with a terminal, the wiring terminal is connected to the terminals at the two ends of the shaft-type capacitor, the terminals are provided with threaded holes, the temperature sensing device is a hollow bolt internally provided with a temperature sensing part, and the temperature sensing device penetrates through the wiring terminal. The temperature measuring device of the shaft type capacitor provided by the invention has the advantages of reliable fixation of the temperature sensing part, accurate temperature measurement, simple structure and convenient installation and maintenance, and the temperature measuring point is close to the inside of the capacitor.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment, particularly a kind of temperature measuring equipment that is used for the axle type capacitor of high-power electromagnetic oven.
Background technology
The failure mode of the axle type capacitor (metalizing polypropylene thin film capacitor) of existing high-power electromagnetic oven can be divided into the internal cause inefficacy and external cause lost efficacy two kinds.Internal cause lost efficacy and was meant the overcurrent owing to electric capacity itself, the inefficacy that excess temperature causes; And external cause lost efficacy in two kinds of situation: the one, because misoperation, as shown in Figure 1-Figure 3, put on the torsion deficiency of capacitor terminal 1, cause that the contact resistance between external connection terminal 2 and the capacitor terminal 1 is excessive, cause the terminal heating serious, condenser failure, the 2nd, because capacitor movement cooling fan fault, cause that the movement interior environment temperature raises, cause the electric capacity excess temperature to lose efficacy.Therefore, for improving the security and the reliability of capacitor, need carry out direct temperature measurement to axle type capacitor, so that temperature control and overheating protection.Temperature measuring equipment fixing means commonly used has two kinds: as Fig. 4, shown in Figure 5; a kind of is the external peripheral surface that temperature measuring equipment 4 is sticked on electric capacity 3 as thermistor or thermopair; another kind is the end face that temperature measuring equipment 4 is pasted on electric capacity 3 as thermistor or thermopair; the former is limited by paste position; contact is poor, can not realize reliable accurately thermometric, and latter's high-temp glue affected by environment is easy to come off; directly influence result of use, can be when serious because of can not overheating protection causing the accident.
Summary of the invention
At the problem that above-mentioned existing axonia capacitor temperature measuring equipment is run into, the invention provides the temperature measuring equipment of a kind of type capacitor, its point for measuring temperature is near electric capacity inside, and thermometric is accurate, and is simple in structure, and temperature sensing part is fixing reliable, and installation and maintenance are convenient.
Technical solution of the present invention is: the temperature measuring equipment of a kind of type capacitor, comprise that two ends respectively are provided with the axle type capacitor of a terminal, are connected to connection terminal and temperature sensing device on the described two end terminals, described terminal is provided with threaded hole, described temperature sensing device is established the hollow bolt of temperature sensing part in being, this temperature sensing device passes connection terminal and is tightened in the described terminal.
Described axle type capacitor also comprises fuse and is wrapped in the insulating tape of fuse lateral surface, and the end cover of fuse is equipped with gilding layer, and an end of described terminal is adjacent on gilding layer and by the insulation filler embedding to be fixed.
The two ends of the temperature sensing part of described temperature sensing device also are connected with lead-in wire respectively, and temperature sensing part is installed on fills out in the hollow bolt of filling insulation filler, and the part lead-in wire that passes temperature sensing device is wrapped in the insulating sleeve.
Above-mentioned temperature sensing part can be thermopair, thermistor or temperature controller.
The temperature measuring equipment temperature sensing part of axle type capacitor provided by the present invention is fixing reliable, and point for measuring temperature is near electric capacity inside, and thermometric is accurate, and is simple in structure, and installation and maintenance are convenient.
Description of drawings:
Fig. 1 is the mounting structure synoptic diagram of existing axonia capacitor;
Fig. 2 is the partial enlarged drawing at I place among Fig. 1;
Fig. 3 is the existing matching used connection terminal structure synoptic diagram of axonia capacitor;
Fig. 4 is the mounting structure synoptic diagram of the temperature measuring equipment of existing axonia capacitor;
Fig. 5 is the similar alternative arrangements synoptic diagram of the temperature measuring equipment of existing axonia capacitor;
Fig. 6 is an assembly structure synoptic diagram of the present invention;
Fig. 7 cuts open for partial structurtes of the present invention and shows synoptic diagram;
Fig. 8 is the cross-sectional view of temperature sensing device of the present invention.
Embodiment:
The present invention is described further below in conjunction with the drawings and specific embodiments.
Shown in Fig. 6-8, the temperature measuring equipment of a kind of type capacitor, comprise that two ends respectively are provided with the axle type capacitor 10 of a terminal 11, are connected to connection terminal 2 and temperature sensing device 5 on the described two end terminals 11, described terminal 11 is provided with threaded hole, described temperature sensing device 5 is established the hollow bolt of temperature sensing part 51 in being, this temperature sensing device 5 passes connection terminal 2 and is tightened in the described terminal 11.
Described axle type capacitor 10 also comprises fuse 12 and is wrapped in the insulating tape 13 of fuse 12 lateral surfaces, and the end cover of fuse 12 is equipped with gilding layer 14, and an end of described terminal 11 is adjacent on gilding layer 14 and by insulation filler 15 embeddings and fixes.
The two ends of the temperature sensing part 51 of described temperature sensing device 5 also are connected with lead-in wire 52 respectively, and temperature sensing part 51 is installed on fills out in the hollow bolt of filling insulation filler 53, and the part lead-in wire 52 that passes temperature sensing device 5 is wrapped in the insulating sleeve 54.
Above-mentioned temperature sensing part 51 can be thermopair, thermistor or temperature controller.
In the present embodiment, the temperature sensing part of temperature sensing device 51 adopts thermistors, with epoxy resin as insulation filler 53 embeddings in hollow bolt.
For further increasing the reliability that temperature sensing device 5 is connected with terminal 11, when the capacitor assembling is used, also can select to be equipped with plain washer, spring washer, behind screw bolt passes plain washer, spring washer, the connection terminal, be tightened again in terminal 11.
The temperature measuring equipment temperature sensing part of axle type capacitor provided by the present invention is fixing reliable, and point for measuring temperature is near electric capacity inside, and thermometric is accurate, and is simple in structure, and installation and maintenance are convenient.
Claims (4)
1. the temperature measuring equipment of an axle type capacitor, comprise that two ends respectively are provided with the axle type capacitor (10) of a terminal (11), are connected to connection terminal (2) and temperature sensing device (5) on the described two end terminals (11), it is characterized in that: described terminal (11) is provided with threaded hole, described temperature sensing device (5) is established the hollow bolt of temperature sensing part (51) in being, this temperature sensing device (5) passes connection terminal (2) and is tightened in the described terminal (11).
2. the temperature measuring equipment of axle type capacitor according to claim 1, it is characterized in that: described axle type capacitor (10) also comprises fuse (12) and is wrapped in the insulating tape (13) of fuse (12) lateral surface, the end cover of fuse (12) is equipped with gilding layer (14), and an end of described terminal (11) is adjacent at gilding layer (14) and goes up and fix by insulation filler (15) embedding.
3. the temperature measuring equipment of axle type capacitor according to claim 1, it is characterized in that: the two ends of the temperature sensing part (51) of described temperature sensing device (5) also are connected with lead-in wire (52) respectively, temperature sensing part (51) is installed on fills out in the hollow bolt of filling insulation filler (53), and the part lead-in wire (52) that passes temperature sensing device (5) is wrapped in the insulating sleeve (54).
4. according to the temperature measuring equipment of each described axle type capacitor in the claim 1 to 3, it is characterized in that: described temperature sensing part (51) is thermopair, thermistor or temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010270297.5A CN101936784A (en) | 2010-08-31 | 2010-08-31 | Temperature measuring device of shaft type capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010270297.5A CN101936784A (en) | 2010-08-31 | 2010-08-31 | Temperature measuring device of shaft type capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101936784A true CN101936784A (en) | 2011-01-05 |
Family
ID=43390232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010270297.5A Pending CN101936784A (en) | 2010-08-31 | 2010-08-31 | Temperature measuring device of shaft type capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101936784A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486221A (en) * | 2016-11-24 | 2017-03-08 | 国网河南新密市供电公司 | A kind of insulating sleeve with temperature element and its application in the electrical apparatus |
| CN106908160A (en) * | 2017-04-28 | 2017-06-30 | 郑州云海信息技术有限公司 | A kind of new device temperature method of testing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179325A (en) * | 1982-04-15 | 1983-10-20 | Kyokuto Kaihatsu Kogyo Co Ltd | Temperature detecting device in heat insulating tank |
| CN2146048Y (en) * | 1992-12-03 | 1993-11-10 | 国营成都宏明无线电器材总厂 | Plastic film capacitor |
| CN1439867A (en) * | 2002-02-21 | 2003-09-03 | 欧姆龙株式会社 | Predictive method for surplus life, temperature testing structure and electronic device |
| CN101793566A (en) * | 2010-02-26 | 2010-08-04 | 江苏镇安电力设备有限公司 | Temperature-measuring bolt |
| CN201788033U (en) * | 2010-08-31 | 2011-04-06 | 美的集团有限公司 | Temperature measuring device of shaft type capacitor |
-
2010
- 2010-08-31 CN CN201010270297.5A patent/CN101936784A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179325A (en) * | 1982-04-15 | 1983-10-20 | Kyokuto Kaihatsu Kogyo Co Ltd | Temperature detecting device in heat insulating tank |
| CN2146048Y (en) * | 1992-12-03 | 1993-11-10 | 国营成都宏明无线电器材总厂 | Plastic film capacitor |
| CN1439867A (en) * | 2002-02-21 | 2003-09-03 | 欧姆龙株式会社 | Predictive method for surplus life, temperature testing structure and electronic device |
| CN101793566A (en) * | 2010-02-26 | 2010-08-04 | 江苏镇安电力设备有限公司 | Temperature-measuring bolt |
| CN201788033U (en) * | 2010-08-31 | 2011-04-06 | 美的集团有限公司 | Temperature measuring device of shaft type capacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486221A (en) * | 2016-11-24 | 2017-03-08 | 国网河南新密市供电公司 | A kind of insulating sleeve with temperature element and its application in the electrical apparatus |
| CN106908160A (en) * | 2017-04-28 | 2017-06-30 | 郑州云海信息技术有限公司 | A kind of new device temperature method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Applicant after: MIDEA GROUP Co.,Ltd. Address before: 528311 beautiful road, Beijiao Town, Shunde District, Guangdong, Foshan Applicant before: Midea Group |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: MEIDI GROUP CO. LTD. TO: MIDEA GROUP CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110105 |