CN201203925Y - Multifunctional liner temperature-sensing detector - Google Patents
Multifunctional liner temperature-sensing detector Download PDFInfo
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- CN201203925Y CN201203925Y CNU2008200362178U CN200820036217U CN201203925Y CN 201203925 Y CN201203925 Y CN 201203925Y CN U2008200362178 U CNU2008200362178 U CN U2008200362178U CN 200820036217 U CN200820036217 U CN 200820036217U CN 201203925 Y CN201203925 Y CN 201203925Y
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- temperature
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- exploration cable
- type temperature
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Abstract
The utility model relates to a multifunctional linetype heat detector, which is characterized in that a microprocessor can be connected with one to sixteen analog linetype heat detective cables matchedly, wherein the analog linetype heat detective cable including at least four conductors, the conductors of the linetype heat detective cable terminal units being connected with a resistance in parallel, two conductors being in short connection, and the four conductors of the linetype heat detective cable head end being connected to the microprocessor circuit separately. The utility model can real time display the temperature section information of random protection area of the whole temperature linetype heat detective cable in digital or graphical curve mode, and has different temperature and constant temperature response performance; the analog can be used repeatedly, motion temperature can be set and regulated; also, the sensitivity and usage environmental temperature range of the linetype heat detective cable are improved greatly, the accuracy and stability of temperature detection are ensured, and the system reliability is improved.
Description
Technical field
The utility model relates to a kind of multi-functional line style heat detector, specifically is used for various device or the interior fire of article, the detection of outer fire and the monitoring of overtemperature under the industrial circle severe environmental conditions.
Background technology
At present, in the existing similar line-type heat detector, switching value still is that the renewable type type all exists four problems on the market: the first, because all belonging to discrete component, support circuit constitutes, and on engineering, there are failure rate and rate of false alarm problem of higher; The second, all belong to constant temperature character.Promptly main response is the temperature variation of rising slowly, and can not respond the temperature variation of quick generation, does not promptly have the differential temperature response performance; The 3rd, zone field that can't display alarm point; The four, one microprocessor can only connect a line type temperature-sensitive exploration cable, and the hardware cost height causes the construction costs height.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of have differential temperature and constant temperature response performance, analog quantity is reusable, and operating temperature can be set adjustment, can show the multi-functional line style heat detector of high sensitivity of interior temperature of any search coverage and temperature variation curve.
Main solution of the present utility model is achieved in that
The utility model mainly is made up of multi-functional microprocessor and analog linear temperature-sensing exploration cable and line type temperature-sensitive exploration cable terminal organ; Feature is that one of described microprocessor can connect 1-16 analog linear temperature-sensing exploration cable; When the needs real time temperature shows, can show temperature section information on the whole line type temperature-sensitive exploration cable in real time in the mode of numeral or graph curve on microprocessor or the line type temperature-sensitive exploration cable terminal organ; Described microprocessor is finished the information acquisition of multi-analog line type temperature-sensitive exploration cable, analyzing and processing, information is shown and output control.
Described analog linear temperature-sensing exploration cable has at least four conductors, be twisted into lead mutually after wherein two conductors or other two conductors coat the temperature-sensitive insulation course respectively, after coating common insulation course respectively, two conductors or other two conductors are twisted into lead mutually, on the lead behind two strands, coat sheath again, the resistance in parallel of two conductors in four conductors of line type temperature-sensitive exploration cable terminal organ, two conductor short circuits in addition, four conductors of line type temperature-sensitive exploration cable head end are connected with microprocessor respectively.
Described microprocessor adopts line type temperature-sensitive exploration cable interface b-n by lead connecting terminal device n; Line type temperature-sensitive exploration cable interface b-2 is by lead connecting terminal device n-2; Line type temperature-sensitive exploration cable interface b-1 is by lead connecting terminal device n-1; The output terminal of line type temperature-sensitive exploration cable interface b-n, line type temperature-sensitive exploration cable interface b-2 line type temperature-sensitive exploration cable interface b-1 is connected with loop switch unit c input end respectively; Loop switch unit c output terminal concatenation operation processing unit e input end; Power supply unit a output terminal concatenation operation processing unit e input end; Operation processing unit e output terminal connects output control unit f input end; Output control unit f output terminal is connected with fire alarm indicating member g, indicating fault unit h, zone of alarm segment information display unit i input end respectively; Sensitivity is provided with unit d output terminal and is connected with operation processing unit e input end;
Described power supply unit a gives microprocessor power supply, microprocessor extracts line type temperature-sensitive exploration cable temperature and zone field by line type temperature-sensitive exploration cable interface b-n, line type temperature-sensitive exploration cable interface b-2, line type temperature-sensitive exploration cable interface b-1, through loop switch unit c, information is passed to operation processing unit e;
Described operation processing unit e reads information that sensitivity is provided with unit d and the information of collection compares, judged whether that anomalous event takes place, if there is anomalous event to take place, operation processing unit e then controls output control unit f, drive fire alarm indicating member g, indicating fault unit h, zone of alarm segment information display unit i, output alarm indication information and section display message; By artificial modification sensitivity the configuration information of unit d is set, operation processing unit e can regulate the warning sensitivity of line type temperature-sensitive exploration cable automatically.
But the outside of described plastic sheath is provided with the braided metal oversheath.
Compared with the prior art the utility model has the following advantages:
1, the utlity model has the function (being the differential temperature response function) of response rapid warm raising speed; 2, the lay configuration of Cai Yonging has the characteristics of anti-strong electromagnetic; 3, its operating temperature range can be from 35-160 ℃ of continuous adjustable settings; 4, line type temperature-sensitive exploration cable interface adopts supporting special circuit, can eliminate line type temperature-sensitive exploration cable capacitive reactances and temperature signal be extracted the influence that produces; 5, circuit part mainly adopts soft or hard in conjunction with microprocessor technology, reduces hardware circuit, improves the reliability of system greatly; 6, line type temperature-sensitive exploration cable temperature sensing material and ambient temperature compensation material can improve the sensitivity and the environment for use temperature range of line type temperature-sensitive exploration cable greatly, have guaranteed accuracy and stability that temperature is surveyed; 7, can extract the zone field of alarm set point; 8, a microprocessor can connect many line type temperature-sensitive exploration cables, greatly reduces line-type heat detector hardware circuit cost, has reduced construction costs.
Description of drawings
Fig. 1 is the utility model linear temperature sensor structural representation.
Fig. 2 is a line style heat detection construction of cable synoptic diagram among Fig. 1.
Fig. 3 is that the utility model line type temperature-sensitive exploration cable constitutes connection diagram.
Fig. 4 is the utility model microcontroller circuit principle of work block diagram.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
Fig. 1～shown in Figure 3 comprises four conductors 1,2,3,4, temperature-sensitive insulation course 5, common insulation course 6, coats sheath 7, metallic jacket 8, line type temperature-sensitive exploration cable terminal organ 9, resistance R, microprocessor 10 etc.Microprocessor 10 by power supply unit a, line type temperature-sensitive exploration cable interface b, loop switch unit c, sensitivity unit d, operation processing unit e, output control unit f, warning indicating member g, indicating fault unit h are set, zone of alarm segment information display unit i circuit is formed.
The utility model mainly is made up of multi-functional microprocessor and analog linear temperature-sensing exploration cable and line type temperature-sensitive exploration cable terminal organ; One of described microprocessor can connect 1-16 analog linear temperature-sensing exploration cable; And have a real time temperature curve display, can on the microprocessor or or line type temperature-sensitive exploration cable terminal organ on show temperature section information on whole heat detection cable of arbitrary region in real time in the mode of numeral or graph curve.Described microprocessor is finished the information acquisition of multi-analog line type temperature-sensitive exploration cable, analyzing and processing, information is shown and output control.
Described analog linear temperature-sensing exploration cable has at least 4 conductors 1,2,3,4, wherein conductor 1,2 or conductor 3,4 coat variety classes (wherein a kind of temperature sensing usefulness of doing respectively, another kind do the environment temperature automatic tracking and compensating with) be twisted into lead mutually behind the temperature-sensitive insulation course 5, after coating common insulation course 6 respectively, conductor 3,4 or conductor 1,2 be twisted into lead mutually, on the lead behind two strands, coat sheath 7 again, but the outside of described plastic sheath 7 is provided with braided metal oversheath 8.
Shown in Figure 4, described microprocessor 10 adopts line type temperature-sensitive exploration cable interface b-n by lead connecting terminal device n; Line type temperature-sensitive exploration cable interface b-2 is by lead connecting terminal device n-2; Line type temperature-sensitive exploration cable interface b-1 is by lead connecting terminal device n-1; The output terminal of line type temperature-sensitive exploration cable interface b-n, line type temperature-sensitive exploration cable interface b-2 line type temperature-sensitive exploration cable interface b-1 is connected with loop switch unit c input end respectively; Loop switch unit c output terminal concatenation operation processing unit e input end; Power supply unit a output terminal concatenation operation processing unit e input end; Operation processing unit e output terminal connects output control unit f input end; Output control unit f output terminal is connected with fire alarm indicating member g, indicating fault unit h, zone of alarm segment information display unit i input end respectively; Sensitivity is provided with unit d output terminal and is connected with operation processing unit e input end;
The microprocessor information transmission process is: described power supply unit a gives microprocessor power supply, microprocessor extracts line type temperature-sensitive exploration cable temperature and zone field by line type temperature-sensitive exploration cable interface b-n, line type temperature-sensitive exploration cable interface b-2, line type temperature-sensitive exploration cable interface b-1, through loop switch unit c, information is passed to operation processing unit e; Described operation processing unit e reads information that sensitivity is provided with unit d and the information of collection compares, judged whether that anomalous event takes place, if there is anomalous event to take place, operation processing unit e then controls output control unit f, drive fire alarm indicating member g, indicating fault unit h, zone of alarm segment information display unit i, output alarm indication information and section display message; By artificial modification sensitivity the configuration information of unit d is set, operation processing unit e can regulate the warning sensitivity of line type temperature-sensitive exploration cable automatically.
Power supply of the present utility model can be provided by the common alarm controller of various standards, also can have a temperature monitoring system of one's own separately by 8-30 volt direct current supplys.The output of exploration cable has two kinds of modes: a kind of fire alarm or fault-signal of being exported by the passive contact of relay can be connected with the alarm controller of any line system.The temperature variant analog signals of another kind of exportable 0-5 volts, and the alarm set point zone field of digital quantity.Can convert thereof into corresponding temperature section numeral by interlock circuit shows.
The principle of work of the multi-functional line style heat detector of the utility model:
(environment temperature is in the normal variation scope the utility model under the normal monitoring state, as :-20 ℃ to+35 ℃) all there is certain atomic little electric current flowing in four leads of exploration cable and the microprocessor, make green LED glittering, so that the indication exploration cable is in the normal monitoring state by some cycles.Protecting area in accordance with regulations when the line type temperature-sensitive exploration cable installs; a certain interval has abnormal temperature to raise in the protected location, place; then the impedance phase of the temperature-sensitive insulating material of line type temperature-sensitive exploration cable should be pressed the certain ratio variation thereupon; when temperature is elevated to predefined alarming value; or temperature rise rate reaches predetermined value within a certain period of time; then microprocessor is judged relatively by software; take place if be confirmed to be real abnormal temperature value or initial fire disaster sign, then instruct hardware circuit to send corresponding early warning signal.If temperature continuation this moment raises and temperature rise rate also reaches corresponding numerical value, then microprocessor after judging that affirmation is errorless, then drives the fire alarm actuating of relay and sends fire alarm to alarm controller again.The fire alarm red led is lighted, and can instruct corresponding extinguishing device to move simultaneously.When fire alarm disposes; when the scene returns to the Normal Environmental Temperature scope again; the impedance of line type temperature-sensitive exploration cable also returns to the normal monitoring value, and microprocessor returns the normal monitoring state again automatically, is not damaged by the high temperature more than 300 ℃ but condition is the line type temperature-sensitive exploration cable.Arbitrary broken string or head end, terminal open circuit in four leads of line type temperature-sensitive exploration cable, components and parts damage in the microprocessor, or any two lead suddenly-applied short circuits of line type temperature-sensitive exploration cable, and microprocessor all will send failure alarm signal automatically.Microprocessor is patrolled and examined the multichannel line style temperature line type heat detection cable that is connected successively with certain polling period (usually less than 2 seconds), reads line style heat detection cable information analysis and judgement, and handles accordingly.
Claims (4)
1, a kind of multi-functional line style heat detector is made up of microprocessor, analog linear temperature-sensing exploration cable and line type temperature-sensitive exploration cable terminal organ; It is characterized in that described microprocessor can connect 1-16 analog linear temperature-sensing exploration cable; Described microprocessor is finished the information acquisition of multi-analog line type temperature-sensitive exploration cable, analyzing and processing, information is shown and output control.
2, multi-functional line style heat detector according to claim 1, it is characterized in that described analog linear temperature-sensing exploration cable comprises at least four conductors (1,2,3,4), wherein conductor (1,2) or conductor (3,4) be twisted into lead mutually after coating temperature-sensitive insulation course (5) respectively, conductor (3,4) or conductor (1,2) be twisted into lead mutually after coating common insulation course (6) respectively, on the lead behind two strands, coat sheath (7) again, conductor (1 in four conductors of line type temperature-sensitive exploration cable terminal organ (9), 2) resistance (R) in parallel, conductor (3,4) short circuit, four conductors (1 of line type temperature-sensitive exploration cable head end, 2,3,4) be connected with microcontroller circuit (10) respectively.
3, multi-functional line style heat detector according to claim 1 is characterized in that described microprocessor adopts line type temperature-sensitive exploration cable interface (b-n) by lead connecting terminal device (n); The line type temperature-sensitive exploration cable meets (b-2) by lead connecting terminal device (n-2); Line type temperature-sensitive exploration cable interface (b-1) is by lead connecting terminal device (n-1); The output terminal of line type temperature-sensitive exploration cable interface (b-n), line type temperature-sensitive exploration cable interface (b-2), line type temperature-sensitive exploration cable interface (b-1) is connected with loop switch unit (c) input end respectively; Loop switch unit (c) output terminal concatenation operation processing unit (e) input end; Power supply unit (a) output terminal concatenation operation processing unit (e) input end; Operation processing unit (e) output terminal connects output control unit (f) input end; Output control unit (f) output terminal is connected with fire alarm indicating member (g), indicating fault unit (h), zone of alarm segment information display unit (i) input end respectively; Sensitivity is provided with unit (d) output terminal and is connected with operation processing unit (e) input end;
Described power supply unit (a) is given microprocessor power supply, microprocessor extracts line type temperature-sensitive exploration cable temperature and zone field by line type temperature-sensitive exploration cable interface (b-n), line type temperature-sensitive exploration cable interface (b-2), line type temperature-sensitive exploration cable interface (b-1), through loop switch unit (c), information is passed to operation processing unit (e);
Described operation processing unit (e) reads information that sensitivity is provided with unit (d) and the information of collection compares, judged whether that anomalous event takes place, if there is abnormal time to take place, operation processing unit (e) is then controlled output control unit (f), drive fire alarm indicating member (g), indicating fault unit (h), zone of alarm segment information display unit (i), output alarm indication information and section display message; By artificial modification sensitivity the configuration information of unit (d) is set, operation processing unit (e) can be regulated the warning sensitivity of line type temperature-sensitive exploration cable automatically.
4, multi-functional line style heat detector according to claim 1 is characterized in that the outside of described plastic sheath (7) is provided with metallic jacket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200362178U CN201203925Y (en) | 2008-05-16 | 2008-05-16 | Multifunctional liner temperature-sensing detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200362178U CN201203925Y (en) | 2008-05-16 | 2008-05-16 | Multifunctional liner temperature-sensing detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203925Y true CN201203925Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200362178U Expired - Lifetime CN201203925Y (en) | 2008-05-16 | 2008-05-16 | Multifunctional liner temperature-sensing detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181174A (en) * | 2015-09-21 | 2015-12-23 | 国网山东东营市东营区供电公司 | Cable temperature measuring system |
| EP3203594A1 (en) * | 2016-02-05 | 2017-08-09 | Kidde Technologies, Inc. | Method for preventing chaffing between a linear detector cable and a protective outer sheath |
| CN112447017A (en) * | 2019-08-27 | 2021-03-05 | 青岛中阳消防科技股份有限公司 | Cable type linear temperature-sensing fire detector capable of alarming fire when circuit is broken |
-
2008
- 2008-05-16 CN CNU2008200362178U patent/CN201203925Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181174A (en) * | 2015-09-21 | 2015-12-23 | 国网山东东营市东营区供电公司 | Cable temperature measuring system |
| EP3203594A1 (en) * | 2016-02-05 | 2017-08-09 | Kidde Technologies, Inc. | Method for preventing chaffing between a linear detector cable and a protective outer sheath |
| US10018512B2 (en) | 2016-02-05 | 2018-07-10 | Kidde Technologies, Inc. | Method for preventing chaffing between a linear detector cable and a protective outer sheath |
| CN112447017A (en) * | 2019-08-27 | 2021-03-05 | 青岛中阳消防科技股份有限公司 | Cable type linear temperature-sensing fire detector capable of alarming fire when circuit is broken |
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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: LIU ZHONGSHUN Free format text: FORMER OWNER: LIU XING Effective date: 20120305 Free format text: FORMER OWNER: LI YANQING Effective date: 20120305 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120305 Address after: 214028 building B, international science and technology cooperation Park, 2 Taishan Road, Wuxi New District, Jiangsu, Patentee after: Liu Zhongshun Address before: 401 room 41, Xinzhou garden, New District, Jiangsu, Wuxi 214028, China Co-patentee before: Li Yanqing Patentee before: Liu Xing |
|
| ASS | Succession or assignment of patent right |
Owner name: WUXI SHENGMIN SENSOR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU ZHONGSHUN Effective date: 20120621 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhongshun Inventor before: Liu Xing Inventor before: Li Yanqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU XING LI YANQING TO: LIU ZHONGSHUN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120621 Address after: 214028 block B, international science and technology cooperation Park, 2 Taishan Road, New District, Wuxi Patentee after: Wuxi Shengmin Sensing Technology Co.,Ltd. Address before: 214028 building B, international science and technology cooperation Park, 2 Taishan Road, Wuxi New District, Jiangsu, Patentee before: Liu Zhongshun |
|
| DD01 | Delivery of document by public notice |
Addressee: Liu Zhongshun Document name: Notification that Application Deemed not to be Proposed |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214028, No. four, No. 19-1, Wuxi New District, Jiangsu Patentee after: WUXI SHENGMIN SENSING TECHNOLOGY CO., LTD. Address before: 5A-7, building B, international science and technology cooperation Park, 2 Taishan Road, Wuxi New District, Jiangsu, China Patentee before: Wuxi Shengmin Sensing Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090304 |