CN201036670Y - Recoverable cable type line type constant temperature and difference constant temperature detector - Google Patents
Recoverable cable type line type constant temperature and difference constant temperature detector Download PDFInfo
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- CN201036670Y CN201036670Y CNU200620153469XU CN200620153469U CN201036670Y CN 201036670 Y CN201036670 Y CN 201036670Y CN U200620153469X U CNU200620153469X U CN U200620153469XU CN 200620153469 U CN200620153469 U CN 200620153469U CN 201036670 Y CN201036670 Y CN 201036670Y
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- 239000004020 conductor Substances 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims description 25
- 230000004888 barrier function Effects 0.000 claims description 19
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 206010000369 Accident Diseases 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a recoverable double-cable line-type constant temperature and differentiating fire accident detector comprising a signal decoder, a terminal processor and a temperature sensitive cable. The utility model is characterized in that, in the structure of the temperature sensitive cable, a main body(1) is externally provided with a NTC heat-variable insulating layer(2), a minor conductor or a plurality of minor conductors are clockwise and axially arranged, and a layer(4) winding and covering the conductor, an insulating and covering strap layer(5), a compensating cable(6) or a plurality of compensating cables(6) being clockwise and axially arranged, and a combustion preventing external protecting layer(7) positioned at the most external layer and formed through extrusion molding, wherein, the minor conductor(3) and compensating cables(6) are respectively or simultaneously arranged between each NTC heat-variable insulating layer(2) and combustion preventing external protecting layer(7). The compensating cables(6) also can be parallel with the combustion preventing external protecting layer(7) so as to combine a plurality of specific products with variable structure. The utility model has the advantages of wide temperature detecting range, two alarms, high sensitivity of the heat-variable alarms, low reporting error rate, real-time monitoring to the temperature of the detected temperature, non electricity conductivity of the products, basic safety, long service life, repeated use, small cable external diameter, low cost. Therefore, the utility model completely meets the performance requirements of GB16280-2005 Line-type Heat Variable Detector.
Description
Technical field
The utility model relates to the fire detector of fire-fighting domain, a kind of renewable type cable linear constant temperature, different constant temperature fire detector.
Background technology
At present,, in a lot of buildings and the particular place fire detector has been installed, has been comprised line type fire detector in order in time to grasp fire and fire preventing.Line type fire detector remolding sensitivity in the middle of great majority use now is lower.The applicant's utility model patent formerly (ZL02273243.8), a kind of line type fire detector of renewable type can be monitored the wide temperature rate range.Owing in this patented technology, adopt high resistant NTC thermo-sensitive material, the processing technology more complicated, and decoding signals, termination box circuit are also complicated, the production cost height.Also have decoding signals, that termination box is influenced by envionmental humidity is bigger, Electromagnetic Compatibility is poor, the warning precision is low.This in addition exploration cable does not have explosion-proof function, therefore can't satisfy the performance requirement of GB16280-2005 " line-type heat detector ".
Summary of the invention
The purpose of this utility model is to provide a kind of renewable type cable linear constant temperature, different constant temperature fire detector, and improve reliability, different temperature grade and heating rate are made response, and reusable.
Renewable type cable linear constant temperature, different constant temperature fire detector, comprise decoding signals, terminal handler, temperature sensing cable, it is characterized in that the temp.-sensing wire cable structure: leading body has NTC temperature-sensitive insulating barrier, axial along the auxiliary-conductor of putting more than one or, wrapped conductor layer, insulating bag belt, axial along one or an above compensating wire putting outward, and outermost layer is the fire-retardant external sheath layer of extrusion molding; Auxiliary-conductor, compensating wire can be respectively or are placed on simultaneously between each aspect of NTC temperature-sensitive insulating barrier and fire-retardant external sheath layer, and compensating wire also can be parallel to fire-retardant external sheath layer, are combined into a plurality of specification products of structural change.
The design's fire detector key technology is the structure of constant temperature, different constant temperature temperature sensing cable, it adopts NTC temperature-sensitive insulating materials, temperature sensing cable value of having a resistance when variations in temperature is changed, decoding signals adopts intellectualized technology that the signal of telecommunication is carried out integrated treatment, and variation of ambient temperature is sent alarm signal.The design's fire detector can possess constant temperature warning and two functions of differential temperature warning simultaneously, the constant temperature operating temperature that can set is: 60 ℃, 70 ℃, 85 ℃, 105 ℃, 138 ℃, 180 ℃ six grades, the temperature range that is suitable for is wide, is particularly useful for fire temperature rise ratio place faster.The differential temperature actuation of an alarm changes according to heating rate: 10 ℃/mi n (response in 20s～140s), 20 ℃/min (response in 22.5s～90s), 30 ℃/min (response in 15s～60s), and long service life, can be repeatedly used, can repeat at least 20 times through test.Because constant temperature, different constant temperature temperature sensing cable adopt wrapped conductor structure, make its external diameter little, temperature-sensitive warning sensitivity height, can monitor in real time the acquisition environment temperature, the no power of product own, belong to essential safe type, good product quality, reliability height, cost are low, all satisfy the performance requirement of GB16280-2005 " line-type heat detector ".
Description of drawings
Fig. 1-8 is respectively the axial schematic diagram of the design's example 1-8 temperature sensing cable structure;
Fig. 9 is routine 1-example 8 temperature sensing cable mode of connection schematic diagrames;
The specific embodiment
Recoverable cable linear constant temperature, different constant temperature fire detector, comprise terminal box, terminal handler, temperature sensing cable, it is characterized in that the temp.-sensing wire cable structure: in conjunction with Fig. 1 illustrative examples 1: leading body 1 is outer be coated with successively NTC temperature-sensitive insulating barrier 2, axially along the auxiliary-conductor of putting more than one or one 3, follow wrapped conductor layer 4, insulating bag belt 5, axially along one or an above compensating wire 6 putting, outermost layer is the fire-retardant external sheath layer 7 of extrusion moulding again.
In conjunction with Fig. 2 illustrative examples 2: leading body 1 is outer have successively NTC temperature-sensitive insulating barrier 2, wrapped conductor layer 4, axially along the auxiliary-conductor of putting more than one or one 3, insulating bag belt 5, axially along the compensating wire of putting more than one or one 6, outermost layer is the fire-retardant external sheath layer 7 of extrusion moulding.
In conjunction with Fig. 3 illustrative examples 3: leading body 1 is outer have successively NTC temperature-sensitive insulating barrier 2, axially along the auxiliary-conductor more than one or one 3, wrapped conductor layer 4, insulating bag belt 5, the outermost layer put be fire-retardant external sheath layer 7 and axially side by side, be arranged in one or an above compensating wire 6 of fire-retardant external sheath layer 7, extrude in the lump with fire-retardant external sheath layer 7.
In conjunction with Fig. 4 illustrative examples 4: leading body 1 is outer have successively NTC temperature-sensitive insulating barrier 2, wrapped conductor layer 4, axially along the auxiliary-conductor more than one or one 3, insulating bag belt 5, the outermost layer put be fire-retardant external sheath layer 7 and axially side by side, be arranged in one or an above compensating wire 6 of fire-retardant external sheath layer 7, extrude in the lump with fire-retardant external sheath layer 7.
In conjunction with Fig. 5 illustrative examples 5: leading body 1 is outer NTC temperature-sensitive insulating barrier 2 successively, axially along one or an auxiliary-conductor 3 and a fire-retardant external sheath layer 7 that above compensating wire 6, wrapped conductor layer 4, insulating bag belt 5, outermost layer are extrusion moulding arranged side by side putting.
In conjunction with Fig. 6 illustrative examples 6: leading body 1 is outer have successively NTC temperature-sensitive insulating barrier 2, axially along the auxiliary-conductor of putting more than one or one 3, wrapped conductor layer 4, axially be the fire-retardant external sheath layer 7 of extrusion moulding along the compensating wire more than one or one 6, insulating bag belt 5, the outermost layer put.
In conjunction with Fig. 7 illustrative examples 7: leading body 1 is outer NTC temperature-sensitive insulating barrier 2, wrapped conductor layer 4 successively, axially along the auxiliary-conductor more than one or one 3 and the fire-retardant external sheath layer 7 that above compensating wire 6, insulating bag belt 5, outermost layer are extrusion moulding of putting.
In conjunction with Fig. 8 illustrative examples 8: leading body 1 is outer have successively NTC temperature-sensitive insulating barrier 2, axially along the auxiliary-conductor of putting more than one or one 3 and compensating wire 6, wrapped conductor layer 4, axially along the compensating wire more than one or one 6, the insulating bag belt 5 put, outermost layer is the fire-retardant external sheath layer 7 of extrusion moulding.
During use, see Fig. 9, leading body 1, compensating wire 6 two ends of temperature sensing cable are linked to each other with the terminal of decoding signals and terminal handler respectively that auxiliary-conductor terminates on the public terminal for 3 liang, decoding signals 8 links to each other with fire alarm control unit.When the site environment temperature raises, NTC temperature-sensitive insulating barrier 2 is heated, leading body 1 and auxiliary-conductor 3 resistance values change, temperature sensing cable changes with environment temperature, resistance value also increases, along with twice warning appears in meeting: when the environment temperature rise rate reaches the constant temperature value of setting, send alarm signal; Perhaps the environment temperature rise rate is slow, and environment temperature also can be sent warning when reaching the constant temperature grade of setting.After scene temperature descended, the resistance of leading body and auxiliary-conductor also can be recovered with the decline of environment temperature normally, so this detector is reusable in the serviceability temperature scope is set.
Claims (8)
1. renewable type cable linear constant temperature, different constant temperature fire detector, comprise decoding signals, terminal handler, temperature sensing cable, it is characterized in that the temperature sensing cable structure: NTC temperature-sensitive insulating barrier (2), axial along the auxiliary-conductor of putting more than one or one or (3), conductor lapping layer (4), insulating bag belt (5), axial along one or one or an above compensating wire (6) putting is arranged outside the leading body (1), and outermost layer is the fire-retardant external sheath layer (7) of extrusion moulding.
2. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector, it is characterized in that the temperature sensing cable structure: NTC temperature-sensitive insulating barrier (2), wrapped conductor layer (4), axial along the auxiliary-conductor of putting more than one or one or (3), insulating bag belt (5), axial along the compensating wire of putting more than one or one or (6) are arranged outside the leading body (1) successively, and outermost layer is the fire-retardant external sheath layer (7) of extrusion molding.
3. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector is characterized in that the temperature sensing cable structure: leading body (1) is outer have successively NTC temperature-sensitive insulating barrier (2), axially along the auxiliary-conductor more than one or (3), wrapped conductor layer (4), insulating bag belt (5), the outermost layer put be fire-retardant external sheath layer (7) and axially arranged side by side, be arranged in (7) one of fire-retardant external sheath layers or the compensating wire more than (6).
4. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector is characterized in that the temperature sensing cable structure: leading body (1) is outer NTC temperature-sensitive insulating barrier (2), wrapped conductor layer (4) successively, axially be the fire-retardant external sheath layer (7) of extrusion moulding and the compensating wire more than one or (6) axially arranged side by side, as to be arranged in fire-retardant external sheath layer (7) along the auxiliary-conductor more than one or (3), insulating bag belt (5), the outermost layer put.
5. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector is characterized in that the temperature sensing cable structure: it is the fire-retardant external sheath layer (7) of extrusion moulding that NTC temperature-sensitive insulating barrier (2), the axial suitable auxiliary-conductor more than one or (3) and compensating wire (6) arranged side by side, wrapped conductor layer (4), insulating bag belt (5), the outermost layer of putting are arranged outside the leading body (1) successively.
6. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector is characterized in that the temperature sensing cable structure: it is the fire-retardant external sheath layer (7) of extrusion moulding that NTC temperature-sensitive insulating barrier (2), the axial suitable auxiliary-conductor of putting more than one or (3), wrapped conductor layer (4), the axial suitable compensating wire more than one or (6), insulating bag belt (5), the outermost layer of putting are arranged outside the leading body (1) successively.
7. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector is characterized in that the temperature sensing cable structure: it is the fire-retardant external sheath layer (7) of extrusion moulding that NTC temperature-sensitive insulating barrier (2), wrapped conductor layer (4), the axial suitable auxiliary-conductor more than one or (3) and compensating wire (6), insulating bag belt (5), the outermost layer of putting are arranged outside the leading body (1) successively.
8. renewable type cable linear constant temperature according to claim 1, different constant temperature fire detector, it is characterized in that the temperature sensing cable structure: NTC temperature-sensitive insulating barrier (2), axial along the auxiliary-conductor of putting more than one or (3), wrapped conductor layer (4), axial along the compensating wire more than one or (6), the insulating bag belt (5) put is arranged outside the leading body (1) successively, and outermost layer is the fire-retardant external sheath layer (7) of extrusion moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620153469XU CN201036670Y (en) | 2006-12-05 | 2006-12-05 | Recoverable cable type line type constant temperature and difference constant temperature detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620153469XU CN201036670Y (en) | 2006-12-05 | 2006-12-05 | Recoverable cable type line type constant temperature and difference constant temperature detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036670Y true CN201036670Y (en) | 2008-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620153469XU Expired - Fee Related CN201036670Y (en) | 2006-12-05 | 2006-12-05 | Recoverable cable type line type constant temperature and difference constant temperature detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036670Y (en) |
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2006
- 2006-12-05 CN CNU200620153469XU patent/CN201036670Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20121205 |