CN104198076A - Multifunctional linear temperature sensor - Google Patents
Multifunctional linear temperature sensor Download PDFInfo
- Publication number
- CN104198076A CN104198076A CN201410425017.1A CN201410425017A CN104198076A CN 104198076 A CN104198076 A CN 104198076A CN 201410425017 A CN201410425017 A CN 201410425017A CN 104198076 A CN104198076 A CN 104198076A
- Authority
- CN
- China
- Prior art keywords
- temperature
- resistance
- wire
- sensitive
- cable
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a multifunctional linear temperature sensor, which comprises N temperature sensing cables and N resistors. The M-th temperature sensing cable is sequentially connected in series with the M-th resistor RM (M is not greater than N but not less than 1), a second resistor RM+1, ... and the N-th resistor RN, a signal processing device and a signal detection device to form an M-th loop; the M-th temperature sensing cable comprises two mutually-twisted first lead LM1 and second lead LM2; one end of the first lead LM1 is connected with the M-th resistor RM; one end, far away from the M-th resistor RM, of the second lead LM2 is connected with the signal processing device; the M-1-th temperature sensing cable is connected in series with the M-1-th resistor RM-1, and is connected in parallel with the two ends of the M-th temperature sensing cable. The multifunctional linear temperature sensor provided by the invention rises along with the temperature; the first lead and the second lead are conducted through, the signal processing device detects electric signals in loops, electric signals in different loops are distinguished through resistance of different terminal resistors, and accordingly a corresponding temperature detection region of the temperature sensing cable where the electric signals are generated is determined.
Description
Technical field
The present invention relates to temperature detection field, relate in particular to a kind of multi-functional line style temperature-sensitive instrument.
Background technology
Cable type linear temperature-sensitive detector is made up of sensitive element and coupled boxcar etc.Cable type linear temperature-sensitive detector adopts the outside coated insulation material of metallic conductor conventionally, by surveying the resistance variation with temperature of the insulating material between metallic conductor, temperature variation is carried out to high sensitivity detection.But in practical application, temperature-sensitive cable testing environment temperature exists following point, but during due to variation of ambient temperature, the insulation resistance value of whole cable all changes, and cannot judge the concrete region of temperature anomaly, greatly reduces the degree of accuracy of detection.
Summary of the invention
For solving the technical matters existing in background technology, the present invention proposes a kind of multi-functional line style temperature-sensitive instrument, simple in structure, reusable, and accurately abnormal region appears in detected temperatures.
The multi-functional line style temperature-sensitive of the one instrument that the present invention proposes, comprising: N root temperature-sensitive cable (N is integer and N >=2), a N terminal resistance, signal supervisory instrument, signal processing apparatus, warning device;
M root temperature-sensitive cable M the resistance R of connecting successively
m(1≤M≤N), the second resistance R
m+1... with N resistance R
n, the series connection of signal processing apparatus, signal supervisory instrument forms loop, M root temp.-sensing wire cable wrap is drawn together two mutual the first stranded wire L
m1with the second wire L
m2, the first wire L
m1comprise the first conductor that is positioned at middle part and the first insulation course that is coated on the first conductor outside, the second wire comprises the second conductor that is positioned at middle part and the second insulation course that is coated on the second conductor outside, the first insulation course and the second insulation course all adopt negative temperature coefficient thermistor composition to make, the first wire L
m1one end connects M resistance R
m, the second wire L
m2away from M resistance R
mone end connect signal supervisory instrument, M-1 root temperature-sensitive cable and M-1 resistance R
m-1series connection, is then connected in parallel on M root temperature-sensitive cable two ends, the first wire of M-1 root temperature-sensitive cable, and one end of a wire of M-1 root temperature-sensitive cable connects M-1 resistance R
m-1, another root wire connects signal supervisory instrument away from one end of M-1 resistance R M-1;
When signal supervisory instrument detects while there is electric signal in loop, send detected electric signal to signal processing apparatus, signal processing apparatus is the relevance with the resistance of connecting in loop according to described electric signal, determine the loop that occurs electric signal, thereby judge the temperature-sensitive cable of circuit communication, determine that thus described temperature-sensitive cable regional environment temperature of living in raises, and then notifies warning device to report to the police to above-mentioned zone temperature.
Preferably, R
1=R
2=...=R
n.
Preferably, the outside coated screen layer of above-mentioned temperature-sensitive cable.
In the present invention, the multi-functional line style temperature-sensitive instrument proposing, comprises N root temperature-sensitive cable (N is integer and N>=2), a N terminal resistance, signal supervisory instrument, signal processing apparatus, warning device, M root temperature-sensitive cable M the resistance R of connecting successively
m(1≤M≤N), the second resistance R
m+1... form M loop with N resistance R N, signal processing apparatus, signal supervisory instrument series connection, M root temp.-sensing wire cable wrap is drawn together two mutual the first stranded wire L
m1with the second wire L
m2, the first wire L
m1one end connects M resistance R
m, the second wire L
m2away from M resistance R
mone end connect signal supervisory instrument, M-1 root temperature-sensitive cable and M-1 resistance R
m-1series connection, is then connected in parallel on M root temperature-sensitive cable two ends.By the multi-functional line style temperature-sensitive instrument of above-mentioned optimal design, along with the rising of environment temperature, the first wire and the second wire conducting, signal processing apparatus detects and in loop, occurs electric signal, and the electric signal in different circuit is distinguished by the resistance of different terminals resistance, thereby determine the corresponding temperature detection of the temperature-sensitive cable region that generates electric signal.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of multi-functional line style temperature-sensitive instrument that proposes of the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of multi-functional line style temperature-sensitive instrument that proposes of the present invention.
With reference to Fig. 1, the multi-functional line style temperature-sensitive of the one instrument that the present invention proposes, comprising: the first temperature-sensitive cable, the second temperature-sensitive cable, the 3rd temperature-sensitive cable, the first resistance, the second resistance, the 3rd resistance, signal supervisory instrument, signal processing apparatus, warning device;
The 3rd temperature-sensitive cable is arranged in the 3rd surveyed area, the 3rd temperature-sensitive cable the 3rd resistance R of connecting successively
3, signal processing apparatus, signal supervisory instrument form loop, outside coated the 3rd screen layer of the 3rd temperature-sensitive cable, the 3rd temp.-sensing wire cable wrap is drawn together the 5th stranded wire L mutually
5with the 6th wire L
6, the 5th wire L
5comprise the 5th conductor that is positioned at middle part and the 5th insulation course that is coated on the 5th conductor outside, the 6th wire L
6comprise the 6th conductor that is positioned at middle part and the 6th insulation course that is coated on the 6th conductor outside, the 5th insulation course and the 6th insulation course all adopt negative temperature coefficient thermistor composition to make, the 5th wire L
5one end connects the 3rd resistance R
3, the 6th wire L
6away from the 3rd resistance R
3one end connect signal supervisory instrument;
The second temperature-sensitive cable is arranged in the second surveyed area, and the second temperature-sensitive cable is connected with the second resistance, is then connected in parallel on the 3rd temperature-sensitive cable two ends, the outside coated secondary shielding layer of the second temperature-sensitive cable, and the second temp.-sensing wire cable wrap is drawn together stranded privates L mutually
3with privates L
4, privates L
3comprise the 3rd conductor that is positioned at middle part and the 3rd insulation course that is coated on the 3rd conductor outside, privates L
4comprise the 4th conductor that is positioned at middle part and the 4th insulation course that is coated on the 4th conductor outside, the 3rd insulation course and the 4th insulation course all adopt negative temperature coefficient thermistor composition to make, privates L
3one end connect the second resistance, privates L
4one end away from the second resistance connects signal supervisory instrument;
The first temperature-sensitive cable is arranged in the first surveyed area, and the first temperature-sensitive cable is connected with the first resistance, is then connected in parallel on the second temperature-sensitive cable two ends, outside coated the first screen layer of the first temperature-sensitive cable, and the first temp.-sensing wire cable wrap is drawn together the first stranded wire L mutually
1with the second wire L
2, the first wire L
1comprise the first conductor that is positioned at middle part and the first insulation course that is coated on the first conductor outside, the second wire L
2comprise the second conductor that is positioned at middle part and the second insulation course that is coated on the second conductor outside, the first insulation course and the second insulation course all adopt negative temperature coefficient thermistor composition to make, the first wire L
1one end connect the first resistance, the second wire L
2one end away from the first resistance connects signal supervisory instrument;
Wherein the first resistance R
1, the second resistance R
2, the 3rd resistance R
3resistance equate.
In the detailed process of the multi-functional line style temperature-sensitive instrument detected temperatures of the present embodiment, when signal supervisory instrument detects while there is electric signal in loop, send detected electric signal to signal processing apparatus, signal processing apparatus is the relevance with the resistance of connecting in loop according to described electric signal, determine the resistance situation in this loop, as value and the R of detected electric signal
1value when associated, judge between two wires of the first temperature-sensitive cable and be electrically connected, residing the first surveyed area environment temperature of the first temperature-sensitive cable raises, then notify warning device to send the alarm of the first surveyed area temperature anomaly, when staff get rid of environment temperature raise dangerous time, insulation course resistance in temperature-sensitive cable is recovered, reusable; Equally, as value and the R of detected electric signal
1+ R
2value when associated, judge that residing the second surveyed area environment temperature of the second temperature-sensitive cable raises, as value and the R of detected electric signal
1+ R
2+ R
3value when associated, judge that residing the 3rd surveyed area environment temperature of the 3rd temperature-sensitive cable raises, and can accurately detect thereby realize the region that occurs temperature anomaly repeatedly.
In embodiment, at the outside coated screen layer of temperature-sensitive cable, protection cable is not subject to external electromagnetic interference at work, thereby improves the alarm reliability of instrument.
In the present embodiment, the multi-functional line style temperature-sensitive instrument proposing, comprises three temperature-sensitive cables, three terminal resistances, signal supervisory instrument, signal processing apparatus, warning device, M root temperature-sensitive cable M the resistance R of connecting successively
m(1≤M≤N), the second resistance R
m+1... with N resistance R
n, the series connection of signal processing apparatus, signal supervisory instrument forms M loop, M root temp.-sensing wire cable wrap is drawn together two mutual the first stranded wire L
m1with the second wire L
m2, the first wire L
m1one end connects M resistance R
m, the second wire L
m2away from M resistance R
mone end connect signal supervisory instrument, M-1 root temperature-sensitive cable and M-1 resistance R
m-1series connection, is then connected in parallel on M root temperature-sensitive cable two ends.By the multi-functional line style temperature-sensitive instrument of above-mentioned optimal design, along with the rising of environment temperature, the first wire and the second wire conducting, signal processing apparatus detects and in loop, occurs electric signal, and the electric signal in different circuit is distinguished by the resistance of different terminals resistance, thereby determine the corresponding temperature detection of the temperature-sensitive cable region that generates electric signal.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a multi-functional line style temperature-sensitive instrument, is characterized in that, comprising: N root temperature-sensitive cable (N is integer and N >=2), a N terminal resistance, signal supervisory instrument, signal processing apparatus, warning device;
M root temperature-sensitive cable M the resistance R of connecting successively
m(1≤M≤N), the second resistance R
m+1... with N resistance R
n, the series connection of signal processing apparatus, signal supervisory instrument forms M loop, M root temp.-sensing wire cable wrap is drawn together two mutual the first stranded wire L
m1with the second wire L
m2, the first wire L
m1comprise the first conductor that is positioned at middle part and the first insulation course that is coated on the first conductor outside, the second wire comprises the second conductor that is positioned at middle part and the second insulation course that is coated on the second conductor outside, the first insulation course and the second insulation course all adopt negative temperature coefficient thermistor composition to make, the first wire L
m1one end connects M resistance R
m, the second wire L
m2away from M resistance R
mone end connect signal supervisory instrument, M-1 root temperature-sensitive cable and M-1 resistance R
m-1series connection, is then connected in parallel on M root temperature-sensitive cable two ends, and one end of a wire of M-1 root temperature-sensitive cable connects M-1 resistance R
m-1, another root wire is away from M-1 resistance R
m-1one end connect signal supervisory instrument;
When signal supervisory instrument detects while there is electric signal in loop, send detected electric signal to signal processing apparatus, signal processing apparatus is the relevance with the resistance of connecting in loop according to described electric signal, determine the loop that occurs electric signal, thereby judge the temperature-sensitive cable of circuit communication, determine that thus described temperature-sensitive cable regional environment temperature of living in raises, and then notifies warning device to report to the police to above-mentioned zone temperature.
2. multi-functional line style temperature-sensitive instrument according to claim 1, is characterized in that R
1=R
2=...=R
n.
3. multi-functional line style temperature-sensitive instrument according to claim 1, is characterized in that, the outside coated screen layer of above-mentioned temperature-sensitive cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425017.1A CN104198076A (en) | 2014-08-26 | 2014-08-26 | Multifunctional linear temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425017.1A CN104198076A (en) | 2014-08-26 | 2014-08-26 | Multifunctional linear temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104198076A true CN104198076A (en) | 2014-12-10 |
Family
ID=52083403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410425017.1A Pending CN104198076A (en) | 2014-08-26 | 2014-08-26 | Multifunctional linear temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104198076A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355813A (en) * | 2016-11-01 | 2017-01-25 | 黄继洲 | Multi-parameter composite adaptive-environment constant-temperature and rate-of-rise fixed temperature linear thermal detector |
| CN111886484A (en) * | 2018-03-13 | 2020-11-03 | 莱尼电缆有限公司 | Sensor cable and measuring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046415A (en) * | 2007-04-30 | 2007-10-03 | 张陈 | Linear temperature sensing detector with both PTC and NTC characteristics |
| CN101046414A (en) * | 2007-04-29 | 2007-10-03 | 张陈 | Composite linear temperature digital quantity and analog quantity sensing detector in two-chip structure |
| CN101055212A (en) * | 2007-05-29 | 2007-10-17 | 张陈 | Parallel connection double metal temperature switch linear temperature-sensing detector |
| CN101105885A (en) * | 2007-08-07 | 2008-01-16 | 张陈 | Recoverable cable type linear temperature-sensing detector |
| CN101276505A (en) * | 2008-04-17 | 2008-10-01 | 张陈 | Switch quantity composite reparable cable-type line-type heat fire detector |
| CN101667318A (en) * | 2009-10-22 | 2010-03-10 | 曾学义 | Linear heat fire detector and method for improving non-operating temperature rating |
| CN103277674A (en) * | 2013-05-16 | 2013-09-04 | 南京航空航天大学 | System and method for detecting overheated position of pipeline |
-
2014
- 2014-08-26 CN CN201410425017.1A patent/CN104198076A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046414A (en) * | 2007-04-29 | 2007-10-03 | 张陈 | Composite linear temperature digital quantity and analog quantity sensing detector in two-chip structure |
| CN101046415A (en) * | 2007-04-30 | 2007-10-03 | 张陈 | Linear temperature sensing detector with both PTC and NTC characteristics |
| CN101055212A (en) * | 2007-05-29 | 2007-10-17 | 张陈 | Parallel connection double metal temperature switch linear temperature-sensing detector |
| CN101105885A (en) * | 2007-08-07 | 2008-01-16 | 张陈 | Recoverable cable type linear temperature-sensing detector |
| CN101276505A (en) * | 2008-04-17 | 2008-10-01 | 张陈 | Switch quantity composite reparable cable-type line-type heat fire detector |
| CN101667318A (en) * | 2009-10-22 | 2010-03-10 | 曾学义 | Linear heat fire detector and method for improving non-operating temperature rating |
| CN103277674A (en) * | 2013-05-16 | 2013-09-04 | 南京航空航天大学 | System and method for detecting overheated position of pipeline |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355813A (en) * | 2016-11-01 | 2017-01-25 | 黄继洲 | Multi-parameter composite adaptive-environment constant-temperature and rate-of-rise fixed temperature linear thermal detector |
| CN106355813B (en) * | 2016-11-01 | 2018-11-23 | 黄继洲 | The fixed temperature of the compound adaptive environment of multi-parameter, different constant temperature line-type heat detector |
| CN111886484A (en) * | 2018-03-13 | 2020-11-03 | 莱尼电缆有限公司 | Sensor cable and measuring device |
| US11874181B2 (en) | 2018-03-13 | 2024-01-16 | Leoni Kabel Gmbh | Sensor line and measuring assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9513185B2 (en) | Inflatable detecting element, modular detection cable and detection system for detecting leaks of nonconductive liquid | |
| KR20170100021A (en) | Surface acoustic wave (SAW) -based temperature sensing for electrical conductors | |
| CN103198602A (en) | Line type temperature sensing fire detector and alarm method thereof | |
| CN105339769A (en) | System and method for detection of wire breakage | |
| CN101286263A (en) | Parallel single wire digital temperature sensor fire disaster detector and alarming method | |
| CN201138504Y (en) | Parallel line type temperature-sensing fire disaster detector with discrete temperature sensing switch serially connected with resistor | |
| CN107209064A (en) | Temperature probe | |
| CN104574771A (en) | Combined type linear temperature-sensing fire detector and alarm method of combined type linear temperature-sensing fire detector | |
| CN105371976A (en) | Thermal resistance temperature measuring device and temperature measuring method | |
| CN107545692B (en) | Unrecoverable cable type linear temperature-sensing fire disaster detector | |
| CN104198076A (en) | Multifunctional linear temperature sensor | |
| CN101368850A (en) | Multi-temperature impedance characteristic sensing cable and temperature-sensitive detector using the same | |
| US10459024B2 (en) | Shorted thermocouple diagnostic | |
| EP0144211B1 (en) | Sensor cable | |
| US4388267A (en) | Temperature profile detector | |
| CN104198075A (en) | Recoverable type linear temperature detecting system | |
| CN108877130B (en) | Temperature-sensing fire detector with terminal alarm indication function | |
| CN100504322C (en) | Warning method for linear temperature sensitive detector | |
| CN204423975U (en) | A kind of from cable for measuring temperature | |
| EP3147878A3 (en) | Electrified net integrating a system for detecting and signaling a forcing of the net itself | |
| CN102722955A (en) | Rate-of-rise and fixed temperature fire detector with composition of device and line type temperature-induction | |
| CN104574768A (en) | Linear temperature-sensing fire detector and alarm method thereof | |
| CN201489634U (en) | Combined recoverable line type temperature sensing detecting cable | |
| CN201489635U (en) | Compound restorable linear heat detection cable | |
| CN104200617A (en) | Recoverable type linear temperature-sensing detecting instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |