CN2898977Y - Linear fire temperature-sensing detecting calbe containing memory filament - Google Patents
Linear fire temperature-sensing detecting calbe containing memory filament Download PDFInfo
- Publication number
- CN2898977Y CN2898977Y CN 200620000497 CN200620000497U CN2898977Y CN 2898977 Y CN2898977 Y CN 2898977Y CN 200620000497 CN200620000497 CN 200620000497 CN 200620000497 U CN200620000497 U CN 200620000497U CN 2898977 Y CN2898977 Y CN 2898977Y
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- Prior art keywords
- detecting
- conductors
- conductor
- sensing fire
- insulating layer
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- 239000004020 conductor Substances 0.000 claims abstract description 78
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 25
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model relates to a linear fire temperature-sensing detecting cable containing memory filament. The linear fire temperature-sensing detecting cable comprises two detection conductors and a fused insulating layer, wherein two detection conductors are arranged parallel, and the fused insulating layer is arranged between two detection conductors, and wherein at least one of two detection conductors contains the memory filament. The linear fire temperature-sensing detecting cable of the utility model is easy to install and difficult to rust, and can largely improve the reliability of the onoff operation of the linear fire temperature-sensing detecting cable.
Description
Technical field
The utility model relates to a kind of linear temperature-sensing fire detecting cable that is used for line type fire detector, particularly relate to a kind of linear temperature-sensing fire detecting cable that contains memory alloy wire, this is surveyed cable and adopts memory alloy wire as detecting conductor, this detecting conductor will destroy its insulation course automatically when in the environment that is in alarm temperature, produce alerting signal.
Background technology
In the prior art, line type fire detector is a kind of broad-spectrum fire detector, and the line type fire detector principal feature is to use linear temperature sensor, as disaster detection cable.The traditional on-off value linear heat detection cable that uses is a kind of broad-spectrum disaster detection cable at present.In traditional on-off value linear heat detection cable, an oversheath is arranged, there are two elastic conductors to twist together in the sheath, the conductor outside coats with the plastic layer of certain melting point.When detection cable section was heated, after temperature acquired a certain degree, the softening or fusion of plastics was in contact with one another between the conductor, promptly was short-circuited, thereby reached the purpose of reporting fire alarm.The advantage of this detection cable is: after the temperature of any reaches the alarm temperature of setting arbitrarily on the detection cable, but survey all short-circuit alarmings of cable, the detection cable alarm sensitivity and the length of being heated are irrelevant.Therefore, the detection sensitivity of its fire that object of protection local overheating or external burning things which may cause a fire disaster are caused is very high.One of shortcoming be in this heat detection cable conductor no matter under normal circumstances or be in the environment of alarm temperature, its elasticity is the same, and is simultaneously harder, crisp, so in installing and using process, be afraid of very much mechanical external force, and difficulty of construction is big.Two of shortcoming is that the conductor of this heat detection cable gets rusty easily, thereby has increased the resistance value of conductor and wiring point, has reduced the reliability of reporting to the police widely.For this reason, need to propose a kind of linear temperature-sensing fire detecting cable that can overcome above-mentioned shortcoming.
The utility model content
The purpose of this utility model is to provide a kind of being convenient to install, and is difficult for corrosion, the linear temperature-sensing fire detecting cable that reliability is high, and it can overcome above-mentioned shortcoming of the prior art, and the reliability height.
The purpose of this utility model is realized by following technical proposals: a kind of linear temperature-sensing fire detecting cable that contains memory alloy wire, described linear temperature-sensing fire detecting cable comprises two detecting conductors, and fused insulating layer, wherein, described two detecting conductors become parallel and are provided with, and be provided with described fused insulating layer between described two detecting conductors, it is characterized in that: at least one is memory alloy wire in described two detecting conductors.
Compared with the prior art the utility model has following advantage:
1, because the utility model has adopted memory alloy wire as detecting conductor, this conductor flexibility under conventional temperature range is good, be convenient to survey the installation of cable, this detecting conductor will destroy its insulation course automatically when in the environment that is in alarm temperature, produce alerting signal, reduced the false alarm of normal temperature test survey line cable itself effectively.
2, because the memory alloy wire itself that the utility model adopts has corrosion resistivity, its resistance value can great changes will take place when being in the corrosion environment for a long time, thereby can effectively reduce the false alarm of disaster detection cable under the high corrosion environment.
3, because the elasticity variation characteristic of the memory alloy wire that the utility model adopts itself, elastic stress in the time of can improving it by the way that improves the memory alloy wire deflection and report a fire has improved the reliability of on-off value linear temperature-sensing fire detecting cable action greatly.
Description of drawings
Fig. 1 is the detection cable structure synoptic diagram according to the utility model first embodiment;
Fig. 2 is the detection cable structure synoptic diagram according to the utility model second embodiment;
Fig. 3 is the detection cable structure synoptic diagram according to the utility model the 3rd embodiment; With
Fig. 4 is the detection cable structure synoptic diagram according to the utility model the 4th embodiment.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 illustrates the synoptic diagram according to the structure of the detection cable of the utility model first embodiment.Referring to Fig. 1, in the utility model, temperature-sensing fire detecting cable comprises two detecting conductors or semiconductor 1 and 2 and fused insulating layer 3.Wherein, two detecting conductors 1 and 2 one-tenth parallel settings, and between two detecting conductors 1 and 2, be provided with fused insulating layer 3.In the embodiment shown in fig. 1, article two, a detecting conductor 2 in the detecting conductor 1,2 is wrapped on another detecting conductor 1, fused insulating layer 3 is arranged between two detecting conductors 1,2, and at least one is to comprise memory alloy wire in two detecting conductors 1,2.In the present embodiment, detecting conductor 2 is to comprise memory alloy wire, and detecting conductor 2 formula in the shape of a spiral is wrapped on the detecting conductor 1, and its pitch is less than 1500 millimeters.At linear temperature-sensing fire detecting cable of the present utility model, be coated with fused insulating layer 3 at least one detecting conductor in two detecting conductors 1,2, in the embodiment shown in fig. 1, coated fused insulating layer 3 on the detecting conductor 1.
Fig. 2 illustrates the detection cable structure synoptic diagram according to the utility model second embodiment.As shown in Figure 2, in the present embodiment, temperature-sensing fire detecting cable further comprises sheath 7, is arranged on outside two detecting conductors 1 and 2, and sheath 4 will wrap within it at two detecting conductors 1 and 2.In addition, the temperature-sensing fire detecting cable of present embodiment is identical with example structure shown in Figure 1, and promptly the temperature-sensing fire detecting cable of present embodiment also comprises two detecting conductors or semiconductor 1 and 2 and fused insulating layer 3, or the like.
Fig. 3 illustrates the detection cable structure synoptic diagram according to the utility model the 3rd embodiment.As Fig. 3, in the present embodiment, temperature-sensing fire detecting cable comprises two detecting conductors or semiconductor 5,6, with fused insulating layer 7, wherein, two detecting conductors 5,6 are intertwined mutually, and are provided with fused insulating layer 8 between two detecting conductors 5,6.Article two, at least one comprise memory alloy wire in the detecting conductor 5,6.In the present embodiment, detecting conductor 6 is memory alloy wires, and two detecting conductors 5,6 formula in the shape of a spiral twist together, and its twisting pitch is less than 1500 millimeters.Coat fused insulating layer 7 at least one detecting conductor in described two detecting conductors 5,6.
Fig. 4 illustrates the detection cable structure synoptic diagram according to the utility model the 4th embodiment.As shown in Figure 4, the temperature-sensing fire detecting cable of present embodiment is to shown in Figure 3 similar, difference is that the temperature-sensing fire detecting cable of present embodiment comprises that further oversheath 8 is arranged on outside two detecting conductors 5 and 6, and will wrap within it at two detecting conductors 1 and 2.In the utility model, oversheath is preferably insulating sheath.
In the utility model, the length of detecting conductor can be designed to 50 meters～200 meters, and one in two detecting conductors is the plain metal conductor, and another is a memory alloy wire.This detecting conductor can be the conductor of hollow conductor, solid conductor or metal wire knitted, and the lip-deep form that the fused insulating layer that is provided with between two detecting conductors is coated on detecting conductor can be: or extrusion molding mode or injection moulding mode or canoe or smear mode.
In the utility model, described detecting conductor can be common metal silk or conductive carbon fibre silk or carbon element elastic wire, or has the conductive plastics of semiconductor property or rubber thread etc.Described memory alloy wire can be a kind of in Ultimum Ti, NiTi copper memorial alloy, iron-based memorial alloy, the copper-based memory alloy material; Described fused insulating layer can be a kind of in the fused insulating layers such as low density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, Polyvinylchloride-rubber composition, polyvinyl chloride, natural rubber, nitrile rubber, ethylene-propylene-diene rubber.The fusing point of fused insulating layer is 40 ℃～220 ℃ scopes.Conductor in the utility model and insulator are relative conductor and relative insulator, and the resistivity that can be used in the normal temperature lower insulator and the ratio of the resistivity of conductor are greater than 10
8Distinguish conductor and insulator.
In the utility model, memory alloy wire flexibility under conventional temperature range is fine, in case surpass this phase transition temperature, it is very big that the intensity of memory alloy wire and rigidity will become.Conventional temperature range of the present utility model refers to memory alloy wire martensitic phase temperature range, its martensite reverse transformation finishing temperature A
fDesign load can in 20 ℃～160 ℃ scopes, select to set, the conventional temperature range of present embodiment design is-40 ℃～40 ℃, when described detection cable is heated, its temperature rises thereupon, when temperature reaches memory alloy wire martensite reverse transformation finishing temperature A
fThe time, memory alloy wire generation martensite reverse transformation, the elastic force that intensity increases and generation is very big, and return to the initial high temperature design shape shape (generally being rectilinear form) of promptly reporting to the police, when temperature continues to rise when reaching the softening or melt temperature of fused insulating layer 15, under the elastic force effect of memory alloy wire, article two, detecting conductor mutual extrusion, destroyed the fused insulating layer between two detecting conductors, two detecting conductors are realized electrically contacting, and promptly are short-circuited and report to the police.
On-off value linear temperature-sensing fire detecting cable of the present utility model need be electrically connected a terminating resistor (its resistance value is value between 10 Ω～100M Ω) at two detecting conductor one ends in the application of reality, article two, the other end connecting resistance signal measurement apparatus (also being microcomputer head or boxcar or measurement module etc.) of detecting conductor constitutes the on-off value linear heat fire detector thus.Because resistance signal pick-up unit and connected mode are routine techniquess, are not elaborated at this.
Claims (9)
1, a kind of linear temperature-sensing fire detecting cable that comprises memory alloy wire, comprise two detecting conductors, fused insulating layer, described two detecting conductors are parallel to be provided with, described fused insulating layer is arranged between described two detecting conductors, it is characterized in that: at least one comprises memory alloy wire in described two detecting conductors.
2, linear temperature-sensing fire detecting cable according to claim 1 further comprises oversheath, and described oversheath is arranged on described two detecting conductors outside.
3, linear temperature-sensing fire detecting cable according to claim 2, wherein, described oversheath is an insulating sheath.
4, linear temperature-sensing fire detecting cable according to claim 1 is characterized in that: described two detecting conductors are arranged to mutual winding.
5, linear temperature-sensing fire detecting cable according to claim 1 is characterized in that: a detecting conductor in described two detecting conductors is wrapped on another detecting conductor.
6, linear temperature-sensing fire detecting cable according to claim 5 is characterized in that: the described detecting conductor that is wrapped on described another detecting conductor comprises memory alloy wire.
7, according to claim 4 or 5 described linear temperature-sensing fire detecting cables, it is characterized in that: coat described fused insulating layer in described two detecting conductors at least one detecting conductor.
8, linear temperature-sensing fire detecting cable according to claim 1 is characterized in that: described memory alloy wire can be a kind of in Ultimum Ti, NiTi copper memorial alloy, iron-based memorial alloy, the copper-based memory alloy.
9, linear temperature-sensing fire detecting cable according to claim 1 is characterized in that: described fused insulating layer can be a kind of in the fused insulating layer of low density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, Polyvinylchloride-rubber composition, polyvinyl chloride, natural rubber, nitrile rubber, ethylene-propylene-diene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000497 CN2898977Y (en) | 2006-01-23 | 2006-01-23 | Linear fire temperature-sensing detecting calbe containing memory filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000497 CN2898977Y (en) | 2006-01-23 | 2006-01-23 | Linear fire temperature-sensing detecting calbe containing memory filament |
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| Publication Number | Publication Date |
|---|---|
| CN2898977Y true CN2898977Y (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620000497 Expired - Lifetime CN2898977Y (en) | 2006-01-23 | 2006-01-23 | Linear fire temperature-sensing detecting calbe containing memory filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898977Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887010A (en) * | 2014-03-31 | 2014-06-25 | 陈迎霞 | Compensating cable for thermoelectric couple |
| CN105698950A (en) * | 2014-12-09 | 2016-06-22 | 基德科技公司 | eutectic based continuous thermal sensing element including fiber wrapped center conductor |
| CN108896199A (en) * | 2018-08-21 | 2018-11-27 | 厦门大学 | A kind of stretchable Yarn senser and preparation method thereof |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
-
2006
- 2006-01-23 CN CN 200620000497 patent/CN2898977Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887010A (en) * | 2014-03-31 | 2014-06-25 | 陈迎霞 | Compensating cable for thermoelectric couple |
| CN105698950A (en) * | 2014-12-09 | 2016-06-22 | 基德科技公司 | eutectic based continuous thermal sensing element including fiber wrapped center conductor |
| CN105698950B (en) * | 2014-12-09 | 2020-06-26 | 基德科技公司 | Eutectic based continuous thermal sensing element including fiber-wrapped center conductor |
| CN108896199A (en) * | 2018-08-21 | 2018-11-27 | 厦门大学 | A kind of stretchable Yarn senser and preparation method thereof |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
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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: 20080704 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080704 Address after: Beijing City, the Capital Airport South Industrial Zone Banbidian Lee Road No. 22, zip code: 101304 Patentee after: Sureland Industry Fire-Fighting Co., Ltd. Address before: Beijing City, the Capital Airport South Industrial Zone Banbidian Lee Road No. 22, zip code: 101304 Co-patentee before: Li Gangjin Patentee before: Zhang Wei |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Linear fire temperature-sensing detecting calbe containing memory filament Effective date of registration: 20121010 Granted publication date: 20070509 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 |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171114 Granted publication date: 20070509 Pledgee: Bank of America Ltd. Shanghai branch Pledgor: Sureland Industry Fire-Fighting Co., Ltd. Registration number: 2012990000591 |