CN2812147Y - An analogue linear temperature-sensing detector with fusible or meltable insulation layer - Google Patents
An analogue linear temperature-sensing detector with fusible or meltable insulation layer Download PDFInfo
- Publication number
- CN2812147Y CN2812147Y CN 200520113373 CN200520113373U CN2812147Y CN 2812147 Y CN2812147 Y CN 2812147Y CN 200520113373 CN200520113373 CN 200520113373 CN 200520113373 U CN200520113373 U CN 200520113373U CN 2812147 Y CN2812147 Y CN 2812147Y
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- China
- Prior art keywords
- insulation course
- fusible
- temperature
- detecting
- sensing detector
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- 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.)
- Expired - Lifetime
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- 238000009413 insulation Methods 0.000 title claims abstract description 70
- 239000004020 conductor Substances 0.000 claims abstract description 68
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000004927 fusion Effects 0.000 claims description 9
- 230000008018 melting Effects 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- HWDFZWVXKWKIHT-UHFFFAOYSA-N anthracene;naphthalene Chemical compound C1=CC=CC2=CC=CC=C21.C1=CC=CC2=CC3=CC=CC=C3C=C21 HWDFZWVXKWKIHT-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Images
Abstract
The utility model relates to an analogue quantity linear temperature-sensing detector with fusible or meltable insulation layers, which is composed of two detecting conductors, NTC characteristic plastic layers, the fusible or meltable insulation layers, and a resistance signal measurement device, wherein at least one of the detecting conductors is a memory alloy wire; the two detecting conductors are twisted together; the NTC characteristic plastic layers and the fusible or meltable insulation layers are superimposed between the two detecting conductors; the melting temperature zone of the fusible or meltable insulation layers is 40DEG. C to 120DEG. C. The utility model has the advantage of capability of improving the reliability and the usage length of the analogue quantity linear temperature-sensing detector.
Description
Technical field
The utility model relates to a kind of fusible analog linear temperature-sensing detector that maybe can melt insulation course that has, this detector is to increase the fusible insulation course that maybe can melt of one deck between the two poles of the earth conductor of existing NTC principle analog linear temperature-sensing detector, solved the analog linear temperature-sensing detector because detector length and environment temperature to its false alarm that causes, and have improved the reliability of analog linear temperature-sensing detector and used length.
Background technology
In the prior art, NTC insulation course analog linear temperature-sensing detector commonly used is a kind of broad-spectrum fire detector, accompanying drawing 1,2 have shown traditional analog linear temperature-sensing panel detector structure synoptic diagram and principle of work (Fig. 2 is a sectional view), in this detector, there are two to survey cable 1 and 2, survey cable twist together for two, survey the plastic insulating layer 3 (the NTC characteristic is meant negative temperature coefficient) that a NTC characteristic is arranged between the cable at two, when the NTC plastic insulating layer is heated, rising along with temperature, two resistance of surveying the plastic insulating layer between the cable can diminish, and reach the purpose that thermometric is reported a fire according to this principle.And the four big factors such as whole length of heating temperature, the residing environment temperature of NTC plastic insulating layer and the NTC plastic insulating layer of the length that two alarm temperature and NTC plastic insulating layers of surveying between the cable 3 are heated, NTC plastic insulating layer are relevant; We wish that the heating temperature of two plastic insulating layers of NTC when surveying alarm temperatures between the cable only with breaking out of fire relevant with two factors of length of being heated to other factors has nothing to do.For other three factors, NTC principle analog linear temperature-sensing detector of the prior art can't be eliminated, like this will be influential to the reliability and the sensitivity of detector.For this reason, need to propose a kind of new analog linear temperature-sensing detector.
Summary of the invention
The purpose of this utility model is to provide a kind of fusible analog linear temperature-sensing detector that maybe can melt insulation course that has, this detector is to increase the fusible insulation course that maybe can melt of one deck between the conductor of existing NTC principle analog linear temperature-sensing detector, and the temperature of fusion zone of fusible insulation course is 40 ℃～120 ℃.Requiring a conductor in the analog linear temperature-sensing detector simultaneously is memory alloy wire or elastic conductor, has improved the reliability of analog linear temperature-sensing detector and has used length.
The purpose of this utility model is realized by following technical proposals: a kind of analog linear temperature-sensing detector with fusible insulation course, form by two detecting conductors, NTC characteristic plastic layer, fusible insulation course, resistance signal measurement mechanism, wherein at least one detecting conductor is memory alloy wire, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and described fusible insulation course between described two detecting conductors, and the temperature of fusion zone of described fusible insulation course is 40 ℃～120 ℃.
The purpose of this utility model can also be realized by such technical scheme: a kind of have an analog linear temperature-sensing detector that can melt insulation course, by two detecting conductors, NTC characteristic plastic layer, can melt insulation course, the resistance signal measurement mechanism is formed, wherein at least one detecting conductor is memory alloy wire, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and the described insulation course that melts between described two detecting conductors, and described temperature of fusion zone of melting insulation course is 40 ℃～120 ℃.
Compared with the prior art the utility model has following advantage:
1, because the utility model has adopted on same analog linear temperature-sensing detector and fusiblely maybe can melt insulation course, the temperature of fusion zone of this insulation course is 40 ℃～120 ℃.Eliminated detector and used length and the residing environment temperature of detector, reduced the rate of false alarm of this kind principle detector widely detector alarm temperature effect.
2, since the upper and lower bound difference of the utility model adopts fusible fusing point that maybe can melt insulation course or melting point less than 10 ℃, temperature of fusion is less than 120 ℃, do not influence the detector alarm function after fire takes place, but improved the reliability of line-type heat detector and used length.
3, the utility model solved the analog linear temperature-sensing detector since detector length and environment temperature to its false alarm that causes.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1, traditional analog linear temperature-sensing panel detector structure synoptic diagram
Fig. 2, traditional analog linear temperature-sensing detector schematic cross-section
Fig. 3, NTC principle analog linear temperature-sensing detector synoptic diagram of the present utility model
Embodiment
Embodiment one
Referring to Fig. 3, heat detector of the present utility model, by two detecting conductors 4,5, NTC characteristic plastic layer 7, fusible insulation course 6, the resistance signal measurement mechanism is formed (because Fig. 3 is the synoptic diagram of principle, only show the detector cross section, omitted other device), wherein at least one detecting conductor is memory alloy wire, two described detecting conductors twist together, the signal input part of described resistance signal measurement mechanism is electrically connected with described detecting conductor, stack is provided with NTC characteristic plastic layer and fusible insulation course between described two detecting conductors, and the temperature of fusion zone of fusible insulation course is 40 ℃～120 ℃.In the present embodiment, another root detecting conductor can be a tinsel, or elastic conductor, or memory alloy wire.Described memory alloy wire can adopt a kind of in Ultimum Ti, NiTi copper memorial alloy, iron-based memorial alloy, the copper-based memory alloy material.In the application of reality, described NTC characteristic plastic layer and fusible insulation course are that the coating form with routine combines with detecting conductor, can coat a NTC characteristic plastic layer earlier outside detecting conductor, again coating one fusible insulation course in it outside.In the present embodiment, described fusible insulation course can adopt materials such as wax, naphthalene anthracene, stearic acid, rosalin, and its coating thickness can be chosen between the 0.1-2 millimeter.When described detector was heated, its temperature rose thereupon, and when temperature does not reach softening temperature when zone of fusible insulation course, the resistance between two detecting conductors is constant; Continue to raise at the detector heating temperature, when reaching the softening temperature zone of fusible insulation course, fusible insulation course fusing (or softening) under the elastic force effect between two detecting conductors, has been eliminated the insulation resistance of the insulation course between two detecting conductors of detector heated portion.Like this, the resistance between two detecting conductors is only along with the resistance change of the NTC characteristic plastics of heated portion, promptly changes along with the temperature of heated portion and length.When reaching predetermined temperature value, two detecting conductors will produce by the resistance signal measurement mechanism and the output alarm letter.
Embodiment two
A kind of analog linear temperature-sensing detector with fusible insulation course, form by two detecting conductors, NTC characteristic plastic layer, fusible insulation course, resistance signal measurement mechanism, wherein at least one detecting conductor is elastic conductor, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and described fusible insulation course between described two detecting conductors, and the temperature of fusion zone of described fusible insulation course is 40 ℃～120 ℃.In the present embodiment, described elastic conductor is a spring steel wire.Remaining technical characterictic and embodiment one are basic identical, no longer are repeated in this description.
Embodiment three
A kind of have an analog linear temperature-sensing detector that can melt insulation course, by two detecting conductors, NTC characteristic plastic layer, can melt insulation course, the resistance signal measurement mechanism is formed, wherein at least one detecting conductor is memory alloy wire, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and the described insulation course that melts between described two detecting conductors, and described softening temperature zone of melting insulation course is 40 ℃～120 ℃.In the present embodiment, another root detecting conductor can be a tinsel, or elastic conductor, or memory alloy wire.Described memory alloy wire can adopt a kind of in Ultimum Ti, NiTi copper memorial alloy, iron-based memorial alloy, the copper-based memory alloy material.In the application of reality, described NTC characteristic plastic layer and can to melt insulation course be that coating form with routine combines with detecting conductor can coat a NTC characteristic plastic layer earlier outside detecting conductor, and coating one can be melted insulation course in it outside again.In the present embodiment, the described insulation course that melts can adopt a kind of in low density polyethylene, high density polyethylene, polypropylene, the polyvinyl chloride material, and its coating thickness can be chosen between the 0.1-2 millimeter.When described detector was heated, its temperature rose thereupon, and when temperature does not reach softening temperature when zone that can melt insulation course, the resistance between two detecting conductors is constant; Continue to raise at the detector heating temperature, when reaching the softening temperature zone that to melt insulation course, can melt insulation course fusing (or softening), under the elastic force effect between two detecting conductors, eliminate the insulation resistance of the insulation course between two detecting conductors of detector heated portion.Like this, the resistance between two detecting conductors is only along with the resistance change of the NTC characteristic plastics of heated portion, promptly changes along with the temperature of heated portion and length.When reaching predetermined temperature value, two detecting conductors will produce by the resistance signal measurement mechanism and the output alarm letter.
Embodiment four
A kind of have an analog linear temperature-sensing detector that can melt insulation course, it is characterized in that: by two detecting conductors, NTC characteristic plastic layer, can melt insulation course, the resistance signal measurement mechanism is formed, wherein at least one detecting conductor is elastic conductor, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and the described insulation course that melts between described two detecting conductors, and described softening temperature zone of melting insulation course is 40 ℃～120 ℃.In the present embodiment, described elastic conductor is a spring steel wire.Remaining technical requirement is identical with embodiment three.
Claims (5)
1, a kind of have a fusible analog linear temperature-sensing detector that maybe can melt insulation course, it is characterized in that: form by two detecting conductors, NTC characteristic plastic layer, insulation course, resistance signal measurement mechanism, two described detecting conductors twist together, stack is provided with described NTC characteristic plastic layer and described insulation course between described two detecting conductors, and the fusing of described insulation course or softening temperature zone are 40 ℃～120 ℃.
2, analog linear temperature-sensing detector according to claim 1, it is characterized in that: at least one detecting conductor is memory alloy wire in the described detecting conductor, and described insulation course is fusible insulation course, and this insulation course temperature of fusion zone is 40 ℃～120 ℃.
3, analog linear temperature-sensing detector according to claim 1, it is characterized in that: at least one detecting conductor is elastic conductor in the described detecting conductor, and described insulation course is fusible insulation course, and this insulation course temperature of fusion zone is 40 ℃～120 ℃.
4, analog linear temperature-sensing detector according to claim 1, it is characterized in that: at least one detecting conductor is memory alloy wire in the described detecting conductor, and described insulation course is to melt insulation course, and this insulation course softening temperature zone is 40 ℃～120 ℃.
5, analog linear temperature-sensing detector according to claim 1, it is characterized in that: at least one detecting conductor is elastic conductor in the described detecting conductor, and described insulation course is to melt insulation course, and this insulation course softening temperature zone is 40 ℃～120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113373 CN2812147Y (en) | 2005-07-13 | 2005-07-13 | An analogue linear temperature-sensing detector with fusible or meltable insulation layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113373 CN2812147Y (en) | 2005-07-13 | 2005-07-13 | An analogue linear temperature-sensing detector with fusible or meltable insulation layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812147Y true CN2812147Y (en) | 2006-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520113373 Expired - Lifetime CN2812147Y (en) | 2005-07-13 | 2005-07-13 | An analogue linear temperature-sensing detector with fusible or meltable insulation layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN2812147Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008067690A1 (en) * | 2006-12-06 | 2008-06-12 | Weishe Zhang | A linear temperature-sensing element with windows on an insulating layer |
| CN100437651C (en) * | 2007-02-14 | 2008-11-26 | 首安工业消防有限公司 | Short circuit alarming method for non-recoverable linear temperature sensing detector |
-
2005
- 2005-07-13 CN CN 200520113373 patent/CN2812147Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008067690A1 (en) * | 2006-12-06 | 2008-06-12 | Weishe Zhang | A linear temperature-sensing element with windows on an insulating layer |
| CN100437651C (en) * | 2007-02-14 | 2008-11-26 | 首安工业消防有限公司 | Short circuit alarming method for non-recoverable linear temperature sensing detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHOU AN INDUSTRY FIRE LTD. Free format text: FORMER OWNER: ZHANG WEISHE; PATENTEE Effective date: 20080627 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080627 Address after: BeiJing Capital Airport South Industrial Zone Banbidian Lee Road No. 22, zip code: 101304 Patentee after: Sureland Industry Fire-Fighting Co., Ltd. Address before: 29-4-201, Sheng Bei Bei, Beijing, Chaoyang District, 100029 Co-patentee before: Li Gangjin Patentee before: Zhang Wei |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sureland Industry Fire-Fighting Co., Ltd. Assignor: Zhang Weishe|Li Gangjin Contract fulfillment period: 2008.1.10 to 2015.7.13 Contract record no.: 2008110000005 Denomination of utility model: An analogue linear temperature-sensing detector with fusible or meltable insulation layer Granted publication date: 20060830 License type: Exclusive license Record date: 20080222 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.1.10 TO 2015.7.13 Name of requester: SHOU AN INDUSTRY FIRE LTD. Effective date: 20080222 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An analogue linear temperature-sensing detector with fusible or meltable insulation layer Effective date of registration: 20121010 Granted publication date: 20060830 Pledgee: Bank of America Ltd. Shanghai branch Pledgor: Sureland Industry Fire-Fighting Co., Ltd. Registration number: 2012990000591 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150713 Granted publication date: 20060830 |
|
| EXPY | Termination of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171114 Granted publication date: 20060830 Pledgee: Bank of America Ltd. Shanghai branch Pledgor: Sureland Industry Fire-Fighting Co., Ltd. Registration number: 2012990000591 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |