CN101055212A - Parallel connection double metal temperature switch linear temperature-sensing detector - Google Patents
Parallel connection double metal temperature switch linear temperature-sensing detector Download PDFInfo
- Publication number
- CN101055212A CN101055212A CN 200710011476 CN200710011476A CN101055212A CN 101055212 A CN101055212 A CN 101055212A CN 200710011476 CN200710011476 CN 200710011476 CN 200710011476 A CN200710011476 A CN 200710011476A CN 101055212 A CN101055212 A CN 101055212A
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- Prior art keywords
- temperature
- double metal
- conductor
- temperature switch
- metal temperature
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 49
- 239000002184 metal Substances 0.000 title claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 73
- 238000009413 insulation Methods 0.000 claims abstract description 3
- 230000011664 signaling Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
- Insulated Conductors (AREA)
Abstract
A parallel dual-metal temperature switch linetype temperature-sensitive detector is connected to a computer modulator and a terminal resistance R to form a closed single acquisition circuit by two ends of a temperature-sensitive cable, characterized in that the structure of the temperature-sensitive cable comprises two conductor, one of which is coated with a conductive layer, a plurality of dual-metal temperature switch are connected parallel between the conductive layer and the bare conductor, then all are cladded in an insulation sleeve; the length of the temperature-sensitive cable can be designed to be 20m~500m, and the interval of the dual-metal temperature switch disposed parallel can be 0.2m~1m.The invention is superior in that: 1. the dual-metal temperature switch is provided with reversibility which can restore automatically to initial state as the decline of surrounding temperature of the detection cable when the temperature-sensitive cable finishes warning.2. The warning temperature is independent of cable heated length, ambient temperature and use length, which solves the disadvantage of long heating length on low warning temperature, short heating length on high warning temperature, high ambient temperature on low warning temperature, low ambient temperature on high warning temperature.
Description
Technical field
The present invention relates to fire alarm installation, a kind of parallel connection double metal temperature switch linear temperature-sensing detector.
Background technology
The parallel analog linear temperature-sensing fire detecting cable of discrete thermistor of the prior art referring to Fig. 1, is surveyed in the cable at this, is made up of a plurality of thermistor element R that are connected in parallel between two detecting conductors 14,15.When being heated for a certain section that surveys cable, with the rising of temperature, the resistance value of the thermistor in this section descends (or increase), causes the all-in resistance between the detector conductor to descend (or rising), reports to the police according to the variation of all-in resistance.The shortcoming of this detection cable is alarm temperature with the length of being heated, uses length relevant, and the long alarm temperature of the length of being heated is just low, and the short alarm temperature of the length of being heated is height just.So just unfavorable to the reliability of detector, report by mistake easily.For this reason, need to propose the higher line-type heat detector of a kind of reliability.
Summary of the invention
The object of the present invention is to provide a kind of parallel connection double metal temperature switch linear temperature-sensing detector, can be according to the situation output resistance signal that is heated, reliability, the sensitivity that can improve detector.
The objective of the invention is to realize: a kind of parallel connection double metal temperature switch linear temperature-sensing detector by following technical proposals, form by temperature sensing cable, microcomputer modulator and terminal resistance, oversheath, it is characterized in that temperature sensing cable: a plurality of double metal temperature switch in parallel are formed between two parallel cable detecting conductors, and the operating temperature of double metal temperature switch is 60 ℃~180 ℃.
Compared with the prior art, the advantage that parallel connection double metal temperature switch linear temperature-sensing detector of the present invention has is: the one, and double metal temperature switch has reversibility, after temperature sensing cable was finished warning, along with the decline of surveying line cable environment temperature, bimetal release automatically restored to original state.The 2nd, be heated length, environment temperature, use length of alarm temperature and cable is irrelevant, overcome the long alarm temperature of length that is heated in the prior art and lacked just height of alarm temperature with regard to low, the length of being heated, the high alarm temperature of environment temperature hangs down alarm temperature with regard to high shortcoming with regard to low, environment temperature.
Description of drawings
Fig. 1 surveys the cable structure synoptic diagram for the parallel analog linear temperature-sensing of existing discrete thermistor;
Fig. 2-Fig. 7 is the structural representation of parallel connection double metal temperature switch linear temperature-sensing detector example 1-example 6;
Embodiment
A kind of parallel connection double metal temperature switch linear temperature-sensing detector, embodiment 1 sees Fig. 2, be connected to form the closed circuit signaling Acquisition Circuit with microcomputer modulator 4 and terminal resistance R respectively by the temperature sensing cable two ends, the structure that it is characterized in that temperature sensing cable: adopt two strip conductors 1, a strip conductor 1 coated with conductive layer 3 wherein, at conductive layer 3 and 1 of another conductor a plurality of double metal temperature switch 2 that are connected in parallel, be coated on together in the insulating sheath 7 then.
In the present embodiment, described conductor 1 can adopt hollow conductor, solid conductor or knitted conductor form.Two strip conductors 1 can adopt mutual winding, the stranded or equidistant parallel combining form of maintenance.The two ends of double metal temperature switch 2 are connected with conductor 1 respectively, and ways of connecting can be that welding or machinery cooperate crimping or conductive adhesive, is relation in parallel between a plurality of double metal temperature switch 2.The length of temperature sensing cable can be designed to 20m~500m, and the interval of its double metal temperature switch that is set up in parallel 2 can be designed to 0.2m~1m.
When temperature sensing cable when allowing to use high ambient temperature following, resistance is under the high-impedance state all the time between two conductors 1, microcomputer modulator 4 detects less than change in resistance, when temperature surpasses the operating temperature of double metal temperature switch 2, resistance reduces between two conductors 1, microcomputer modulator 4 output alarms.
Material behavior explanation used in the present invention:
1, double metal temperature switch: operating temperature is 60 ℃~180 ℃.
2, metallic conductor: specification is selected for use between φ 0.2mm~φ 3mm.
Material can be selected the alloy material of steel wire, copper cash, iron wire, nickel wire, platinum line, stainless steel wire and above-mentioned material for use, wire external layer or zinc-plated, zinc-plated, copper facing, silver-plated, chromium plating, nickel plating.Conductor can be selected wherein a kind of, multiple in the above-mentioned metal.
3, plastic-aluminum or compound copper-plastics band, metal forming: thickness is to select for use between 0.01mm~1.0mm, and width is preferred between 5mm~20mm.
4, along putting conductor: specification is at φ 0.01mm~φ 1.0mm
Material can be copper conductor, copper cladding aluminum conductor, iron wire, steel wire, nickel wire, platinum line, stainless steel wire.The conductor skin can be zinc-plated, zinc-plated, copper facing, silver-plated, chromium plating, nickel plating.
5, external sheath layer (general insulating material)
Can be the wherein a kind of of high molecular polymer plastic insulation material.
6, conductive layer: specific volume resistance is 10
-4~10
8Between material (also can have the specific volume resistance of NTC, CTR, ptc characteristics 10
-4~10
8Between material).
Claims (7)
1, a kind of parallel connection double metal temperature switch linear temperature-sensing detector, be connected to form the closed circuit signaling Acquisition Circuit with microcomputer modulator (4) and terminal resistance R respectively by the temperature sensing cable two ends, the structure that it is characterized in that temperature sensing cable: adopt two strip conductors (1), a strip conductor (1) coated with conductive layer (3) wherein, the a plurality of double metal temperature switch (2) that are connected in parallel between conductive layer (3) and bare conductor (1) are coated in the insulating sheath (7) then together; The length of temperature sensing cable can be designed to 20m~500m, and the interval of its double metal temperature switch that is set up in parallel (2) can be designed to 0.2m~1m.
2, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, it is characterized in that: conductor (1) can adopt hollow conductor, solid conductor or knitted conductor form, two strip conductors (1) can adopt mutual winding, the stranded or equidistant parallel combining form of maintenance, and two strip conductors (1) can all be bare conductors also.
3, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, it is characterized in that: the two ends of double metal temperature switch (2) are connected with conductor (1) respectively, ways of connecting can be that welding or machinery cooperate crimping or conductive adhesive, is relation in parallel between double metal temperature switch (2).
4, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, the structure that is characterised in that temperature sensing cable is also: adopt two strip conductors (1), wherein a strip conductor (1) coated with conductive layer 3, then along putting conductor (6), wrapped again conductor (5), the a plurality of double metal temperature switch (2) that are connected in parallel between wrapped conductor (5) and bare conductor (1) are coated in the insulating sheath (7) then together.
5, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, it is characterized in that: adopt three strip conductors (1), wherein two strip conductors (1) are distinguished coated with conductive layer (3), the a plurality of double metal temperature switch (2) that are connected in parallel between conductive layer (3) that coats respectively outside two strip conductors and bare conductor (1) are coated in the insulating sheath (7) then together; Double metal temperature switch (2) the operating temperature difference that the outer conductive layer (3) that coats respectively of two strip conductors (1) is connect.
6, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, it is characterized in that: adopt three strip conductors (1), wherein two strip conductors (1) are coated in the insulating sheath (7) respectively and a plurality of double metal temperature switch (2) that are connected in parallel between another strip conductor (1) then together.
7, a kind of parallel connection double metal temperature switch linear temperature-sensing detector according to claim 1, it is characterized in that: adopt four strip conductors (1), wherein three strip conductors (1) respectively and be connected in parallel between another strip conductor (1) a plurality of double metal temperature switch (2), coated insulation sheath (7) then.Wherein three strip conductors (1) the acting characteristic of the double metal temperature switch that connects (2) identical or different, each strip conductor (1) connects a kind of double metal temperature switch (2) of acting characteristic.
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CN200710011476A CN101055212B (en) | 2007-05-29 | 2007-05-29 | Parallel connection double metal temperature switch linear temperature-sensing detector |
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CN200710011476A CN101055212B (en) | 2007-05-29 | 2007-05-29 | Parallel connection double metal temperature switch linear temperature-sensing detector |
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CN101055212A true CN101055212A (en) | 2007-10-17 |
CN101055212B CN101055212B (en) | 2010-05-19 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104198076A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德仪表有限公司 | Multifunctional linear temperature sensor |
EP2867911B1 (en) * | 2012-07-02 | 2017-03-29 | ILEC Limited | Protecting electrical distribution equipment against overheating |
CN110160666A (en) * | 2019-05-22 | 2019-08-23 | 中国船舶重工集团公司第七一九研究所 | A kind of radiation resistance multi-point temperature measurement sensor |
CN117594895A (en) * | 2024-01-18 | 2024-02-23 | 深圳市特普生科技有限公司 | Battery temperature monitoring assembly, battery system and battery temperature monitoring method |
-
2007
- 2007-05-29 CN CN200710011476A patent/CN101055212B/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2867911B1 (en) * | 2012-07-02 | 2017-03-29 | ILEC Limited | Protecting electrical distribution equipment against overheating |
CN104198076A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德仪表有限公司 | Multifunctional linear temperature sensor |
CN110160666A (en) * | 2019-05-22 | 2019-08-23 | 中国船舶重工集团公司第七一九研究所 | A kind of radiation resistance multi-point temperature measurement sensor |
CN117594895A (en) * | 2024-01-18 | 2024-02-23 | 深圳市特普生科技有限公司 | Battery temperature monitoring assembly, battery system and battery temperature monitoring method |
CN117594895B (en) * | 2024-01-18 | 2024-03-29 | 深圳市特普生科技有限公司 | Battery temperature monitoring assembly, battery system and battery temperature monitoring method |
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CN101055212B (en) | 2010-05-19 |
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Effective date of registration: 20180119 Address after: Shen Liaodong road Tiexi District of Shenyang City, Liaoning province 110022 47-2 Hongfa international city A block 31 Building No. 1 Patentee after: Shenyang Putaian Technology Co.,Ltd. Address before: Shenyang City, Liaoning City Road 110011, Shenhe District 35 block A No. 3 Patentee before: Zhang Chen |