CN101221868A - Dual temperature sensing switch - Google Patents
Dual temperature sensing switch Download PDFInfo
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- CN101221868A CN101221868A CNA2008100102438A CN200810010243A CN101221868A CN 101221868 A CN101221868 A CN 101221868A CN A2008100102438 A CNA2008100102438 A CN A2008100102438A CN 200810010243 A CN200810010243 A CN 200810010243A CN 101221868 A CN101221868 A CN 101221868A
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- temperature sensing
- switch
- sensing switch
- bimetal release
- temperature
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Abstract
The present invention discloses a double temperature thermo-sensitive switch which is capable of outputting different action temperature switch alarm signals or different resistance value signals according to the short circuit or open circuit caused by a bimetallic temperature switch being heated, and capable of enhancing the temperature detection range of the bimetallic temperature switch; a double temperature thermo-sensitive switch consists of a bimetallic plate, contacts, a static contact piece, a protective shell, a thermo-sensitive resistor R, a connection conductor and a sealing body; wherein two or more parallel connected bimetallic temperature switches are serially or parallelly connected with the thermo-sensitive resistor R, and capable of sending resistance value variation signal successively after the action of bimetallic temperature switches. Compared with the prior art, the double temperature thermo-sensitive switch has the advantages that the parallel connected bimetallic temperature switches output different action temperature switch alarm signals, and is capable of sending resistance value variation signal successively after the action of the bimetallic temperature switch when the bimetallic temperature switches are parallelly connected with the thermo-sensitive resistor R.
Description
Technical field
The present invention relates to fire alarm installation, a kind of dual temperature sensing switch.
Background technology
Double metal temperature switch heat detector of the prior art referring to Fig. 1, in this double metal temperature switch, is made up of bimetal leaf, contact, static contact, containment vessel, bonding conductor.Double metal temperature switch is divided into open in usual and normally closed type, and when the double metal temperature switch heating temperature surpassed the operating temperature of double metal temperature switch, double metal temperature switch sent short circuit or breaking alarming signal.This double metal temperature switch heat detector can only be realized the warning of a temperature.
Summary of the invention
The object of the present invention is to provide a kind of dual temperature sensing switch, can improve the detecting temperature scope of double metal temperature switch according to double metal temperature switch be heated short circuit or open circuit output different operating temperature switch alarm signals or different resistance signal.
A kind of dual temperature sensing switch of the present invention; form by bimetal leaf, contact, static contact, containment vessel, thermistor R, bonding conductor, seal; it is characterized in that the double metal temperature switch serial or parallel connection thermistor R that two or more are in parallel, after the double metal temperature switch action, can continue to send the change in resistance signal.
Compared with the prior art, the advantage that has of a kind of dual temperature sensing switch is: double metal temperature switch in parallel is exported different operating temperature switch alarm signals; During the thermistor R of double metal temperature switch parallel connection, after the double metal temperature switch action, can continue to send the change in resistance signal.
Description of drawings
Fig. 1 is existing double metal temperature switch structural representation;
Fig. 2～Figure 13 is a kind of structural representation of dual temperature sensing switch example 1～example 12.
Embodiment
A kind of dual temperature sensing switch is seen Fig. 2, is made up of bimetal release K1, K2, containment vessel 3, bonding conductor 4, seal 5, and wherein bimetal release K1, K2 are made up of bimetal leaf 1, contact 2 and static contact 6.Bimetal release K1, K2 in parallel form dual temperature sensing switch in parallel open in usual, it is characterized in that parallel connection double metal K switch 1, K2 operating temperature can be identical or different double metal temperature switch, when double metal temperature switch K1, K2 are heated, and when temperature surpasses the operating temperature of double metal temperature switch K1, K2, contact 2 and static contact 6 closed short circuits, dual temperature sensing switch sends the identical or different short-circuit signal of two-stage; Double metal temperature switch K1, K2 have invertibity, temperature around double metal temperature switch K1, K2 descends, and when being lower than the operating temperature of double metal temperature switch K1, K2, bimetal release K1, K2 disconnect, and dual temperature sensing switch automatically restores to Chang Kaichu beginning state.
Embodiment 7 sees Fig. 8; a kind of dual temperature sensing switch; form normally closed type dual temperature sensing switch in parallel by normally closed bimetal release K1, K2, containment vessel 3, bonding conductor 4, the seal 5 of parallel connection, wherein normally closed bimetal release K1, K2 are made up of bimetal leaf 1, contact 2, static contact 6.It is characterized in that bimetal release K1, K2 operating temperature in parallel can be identical or different double metal temperature switch, when double metal temperature switch K1, K2 are heated, and when temperature surpasses the operating temperature of double metal temperature switch K1, K2, contact 2 separates with static contact 6 and opens circuit, and dual temperature sensing switch sends the identical or different break signal of two-stage.Because double metal temperature switch has invertibity, the temperature around double metal temperature switch K1, K2 descends, and when being lower than the operating temperature of double metal temperature switch, bimetal release K1, K2 closure, dual temperature sensing switch automatically restores to normally closed initial condition.
Embodiment 8 sees Fig. 9, it is characterized in that: according to embodiment 7 described wherein bimetal release K1 thermistor R in parallel again, can detect continuous change in resistance after double metal temperature switch K1 is subjected to thermal cut-out.
Embodiment 9 sees Figure 10, it is characterized in that: described with wherein thermistor R in parallel is distinguished at bimetal release K1, K2 two ends again according to embodiment 7, when double metal temperature switch K1, K2 be heated open circuit respectively after, double metal temperature switch K1, K2 can detect continuous change in resistance.
Embodiment 10 sees Figure 11, a kind of dual temperature sensing switch is characterized in that: according to embodiment 7 described wherein double metal temperature switch K1 two ends thermistor R in parallel, double metal temperature switch K2 series thermal-sensitive resistance R, after double metal temperature switch K1 was subjected to thermal cut-out, dual temperature sensing switch can detect continuous change in resistance.
Embodiment 11 sees Figure 12, and a kind of dual temperature sensing switch is characterized in that: according to the described wherein K2 of embodiment 7 series thermal-sensitive resistance R again, after double metal temperature switch K1 was subjected to thermal cut-out, a kind of dual temperature sensing switch can detect continuous change in resistance.
Embodiment 12 sees Figure 13, a kind of dual temperature sensing switch is characterized in that: according to embodiment 7 described wherein K1, K2 series thermal-sensitive resistance R again, when double metal temperature switch K1, K2 be heated open circuit respectively after, a kind of dual temperature sensing switch can detect continuous change in resistance.
The foregoing description 3～7,9～13 parallel connections or series thermal-sensitive resistance R can be to dual temperature sensing switch short circuits when the non-variations in temperature, the newspaper fault opens circuit; Thermistor R can have NTC, CTR, ptc characteristics, also resistance R; Double metal temperature switch is mercury electrical contact switch also; Thermistor R also can expose outside the encapsulation of containment vessel 3, and its wiring is packaged in the containment vessel 3.
The double metal temperature switch of the foregoing description 1～12 parallel connection can also be more than two.
Material behavior explanation used in the present invention:
1, double metal temperature switch: operating temperature is 30 ℃～180 ℃.
2, bonding conductor: the material tinned wird, specification is selected for use between φ 0.2mm～φ 3mm.
3, thermistor R: can have NTC, CTR, ptc characteristics, also resistance R.
Claims (9)
1. dual temperature sensing switch, major part are bimetal release K1, K2 in parallel, and the operating temperature of bimetal release K1, K2 can be a double metal temperature switch identical or inequality, and bimetal release K1, K2 can be open in usual, also can be normally closed types.
2. a kind of dual temperature sensing switch according to claim 1, K2 series thermal-sensitive resistance R wherein, or K1, K2 series thermal-sensitive resistance R respectively.
3. a kind of dual temperature sensing switch according to claim 1, as bimetal release K1, K2 when being open in usual, bimetal release K2 open in usual or K1, K2 series thermal-sensitive resistance R link together then.
4. a kind of dual temperature sensing switch according to claim 1, as bimetal release K1, K2 when being open in usual, bimetal release K2 series thermal-sensitive resistance R open in usual links together with the K1 other end, the series thermal-sensitive resistance R then again.
5. a kind of dual temperature sensing switch according to claim 1 is as bimetal release K1, when K2 is normally closed type, with normally closed type bimetal release K1 or K1, K2 difference thermistor R in parallel.
6. a kind of dual temperature sensing switch according to claim 1 is as bimetal release K1, when K2 is normally closed type, with normally closed type bimetal release K1 thermistor R in parallel, normally closed type bimetal release K2 series thermal-sensitive resistance R.
7. a kind of dual temperature sensing switch according to claim 1, the thermistor R of serial or parallel connection can have NTC, CTR, ptc characteristics again, also resistance.Bimetal release K1, K2 be mercury electrical contact switch also.
8. a kind of dual temperature sensing switch according to claim 1, bimetal release can be two or more.
9. according to the described a kind of dual temperature sensing switch of claim 2～7, parallel connection or series thermal-sensitive resistance R can be to the short circuit when the non-variations in temperature of a kind of dual temperature sensing switch of the present invention, the newspaper faults that opens circuit, and a kind of dual temperature sensing switch short circuit according to the present invention, can detect continuous change in resistance after opening circuit.Thermistor R also can expose outside the encapsulation of containment vessel 3, and its wiring is packaged in the containment vessel 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100102438A CN101221868A (en) | 2008-01-28 | 2008-01-28 | Dual temperature sensing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100102438A CN101221868A (en) | 2008-01-28 | 2008-01-28 | Dual temperature sensing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101221868A true CN101221868A (en) | 2008-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100102438A Pending CN101221868A (en) | 2008-01-28 | 2008-01-28 | Dual temperature sensing switch |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867167A (en) * | 2010-07-08 | 2010-10-20 | 无锡出新环保设备有限公司 | Device for measuring temperature of electrical element in control box |
| CN103380555A (en) * | 2010-12-16 | 2013-10-30 | 泰科电子日本合同会社 | Protective device |
| CN106526402A (en) * | 2016-12-06 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Electric channel short circuit alarm device |
| CN107123572A (en) * | 2017-06-15 | 2017-09-01 | 严由意 | A kind of improved electrical heating temperature controller |
| CN107978465A (en) * | 2017-12-13 | 2018-05-01 | 湖南省湘电试验研究院有限公司 | High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process |
| CN113507034A (en) * | 2021-06-28 | 2021-10-15 | 长春理工大学 | Quick start intermediate infrared laser and corresponding polycrystal translation device |
-
2008
- 2008-01-28 CN CNA2008100102438A patent/CN101221868A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867167A (en) * | 2010-07-08 | 2010-10-20 | 无锡出新环保设备有限公司 | Device for measuring temperature of electrical element in control box |
| CN103380555A (en) * | 2010-12-16 | 2013-10-30 | 泰科电子日本合同会社 | Protective device |
| CN103380555B (en) * | 2010-12-16 | 2015-09-16 | 泰科电子日本合同会社 | Protective device |
| US9960000B2 (en) | 2010-12-16 | 2018-05-01 | Littelfuse Japan G.K. | Protective device |
| CN106526402A (en) * | 2016-12-06 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Electric channel short circuit alarm device |
| CN107123572A (en) * | 2017-06-15 | 2017-09-01 | 严由意 | A kind of improved electrical heating temperature controller |
| CN107978465A (en) * | 2017-12-13 | 2018-05-01 | 湖南省湘电试验研究院有限公司 | High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process |
| CN113507034A (en) * | 2021-06-28 | 2021-10-15 | 长春理工大学 | Quick start intermediate infrared laser and corresponding polycrystal translation device |
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Open date: 20080716 |