CN201035688Y - Distributed line type temperature-sensitive fire detector - Google Patents
Distributed line type temperature-sensitive fire detector Download PDFInfo
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- CN201035688Y CN201035688Y CNU2007200369219U CN200720036921U CN201035688Y CN 201035688 Y CN201035688 Y CN 201035688Y CN U2007200369219 U CNU2007200369219 U CN U2007200369219U CN 200720036921 U CN200720036921 U CN 200720036921U CN 201035688 Y CN201035688 Y CN 201035688Y
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Abstract
The utility model discloses a distributing type linear temperature sensing fire detector which is little influenced by the ambient temperature, the reliability and the accuracy are high, the detector can accurately position an alarm point, and compared with the prior detector, the service life of the detector is increased greatly. The temperature sensing fire detector comprises a linear temperature sensor, a microprocessor interface and a fire alarm controller. The utility model is characterized in that the linear temperature sensor is formed by connecting independent temperature sensors in parallel, the independent temperature sensors comprise semiconductor temperature sensors, a data collecting unit operates the A/D conversion to the information transmitted by the semiconductor temperature sensors, so as to form a digital signal; a central processing unit delivers the digital signal to the microprocessor interface through a data communication interface unit, an address coding unit solidifies an unique identifying address code as the address identification code of the independent temperature sensors, the microprocessor interface performs the inspection to each independent temperature sensor, and the fire alarm controller controls the alarm after making the judgment according to corresponding information outputted by the microprocessor interface.
Description
(1) technical field
The utility model relates to the fire detecting and alarm technical field, be specially be used for that various electric power facilities, equipment or article are overheated, spontaneous combustion, glow, fire that reason such as flame combustion causes take place before or the distributed line-type heat fire detector of the monitoring, alarming of initial stage abnormality.
(2) background technology
Existing in the market line-type heat detector, it surveys mechanism is such, whole detector is the thermistor of a positive temperature coefficient (PTC) or negative temperature coefficient, when regional environment temperature that detector monitored changes, the resistance of thermistor also changes, the regional environment variation of temperature of being monitored is judged in the variation of the resistance by detecting whole detector, the shortcoming of this class fire detector is exactly: because whole detector is counted as a thermistor, so the temperature that detector detected is the medial temperature of whole detector, can't detect the temperature of each point on the detector, can't obtain the temperature distribution information of whole detector, thermometric error is big, on the detector certain some temperature take place bigger variation and whole detector temperature take place less variation cause resistance to change may be consistent, so easy false alarm of detector or fail to report the police, the high ambient temperature of application places should not be too high, otherwise can influence the use length of detector, detector can not be located alarm set point, zone field that can't display alarm point during warning, the use length limited system of detector should not be above 200 meters.
(3) summary of the invention
At the problems referred to above, the utility model provides a kind of distributed line-type heat fire detector, it is subjected to the influence of environment temperature little, reliability, accuracy height, and can accurately locate alarm set point, and the existing detector of the use length of detector has greatly to be increased.
Its technical scheme is such: it comprises linear temperature sensor, Microprocessor Interface, fire alarm control unit, it is characterized in that: described linear temperature sensor is by individual temperature sensors and connect and form, described individual temperature sensors comprises semiconductor temperature sensor, data acquisition unit carries out the A/D conversion with the information that semiconductor temperature sensor sends, form number amount signal, CPU (central processing unit) will be counted son amount signal and be transported to Microprocessor Interface by the data communication interface unit, the geocoding unit solidifies the address identifier code of uniquely identified geocoding as individual temperature sensors, Microprocessor Interface is patrolled and examined each individual temperature sensors, and fire alarm control unit judges back control warning according to the corresponding information of Microprocessor Interface output.
It is further characterized in that: described Microprocessor Interface can be controlled 1～4 described linear temperature sensors; The hardware circuit device of described Microprocessor Interface comprises power supply unit, the data communication unit, sensitivity is provided with the unit, Address Recognition and state detection unit, the data communication unit sends information to described individual temperature sensors in real time, and the response message of reception individual temperature sensors, the data communication unit passes to operation processing unit with information, operation processing unit reads the information of Address Recognition and state detection unit and address information and status information that individual temperature sensors is replied compare, the control output control unit drives the fire alarm indicating member, the indicating fault unit, zone of alarm segment information display unit is exported corresponding information to fire alarm control unit, judges back control by fire alarm control unit and reports to the police; Described phase and the individual temperature sensors that connects can have 256 at most; Distance between described phase and the individual temperature sensors that connects is 1 meter～8 meters; Described phase and the individual temperature sensors that connects and between its outside insulating sheath plastic packaging of using of connection lead.
The setting of a plurality of individual temperature sensors in the utility model, can gather the temperature information of each distributed points in the monitored area in real time, the information comprehensive analysis of Microprocessor Interface by the individual temperature sensors that is distributed in each point is uploaded, judge the situation of monitored area, the accuracy and the reliability of detection have been improved, owing to adopted semiconductor temperature sensor, the thermometric error of detector is little, the resolution height, can realize that all interval temperature show in real time on the whole detector, be subjected to the influence of environment temperature less, the use length of detector can significantly increase, and can realize the coordinate detection of long and narrow space fire occurrence positions such as underground cable raceway groove; Mutually and the individual temperature sensors that connects and between its outside protection against the tide, anti-dust ability that strengthens sensor with insulating sheath plastic packaging of connection lead, the accuracy and the reliability of detection have further been improved, thereby avoided existing line-type heat detector, its whole detector is counted as a thermistor, can't detect the temperature of each point on the detector, thermometric error is big, easy false alarm or fail to report alert, as to use length limited system shortcoming.
(4) description of drawings
Fig. 1 is the block scheme of individual temperature sensors;
Fig. 2 is the linear temperature sensor structural representation;
Fig. 3 is a block scheme of the present utility model.
(5) embodiment
See Fig. 3, the utility model comprises linear temperature sensor, Microprocessor Interface, fire alarm control unit, see Fig. 2, linear temperature sensor by individual temperature sensors 6 by lead 1,2,3,4 and connect and form, mutually and the individual temperature sensors 6 that connects 256 (only having expressed 3 among Fig. 2) can be arranged at most, mutually and the distance between the individual temperature sensors 6 that connects be 1 meter～8 meters; Lead 1,2 is that supply line, lead 3,4 are data transmission link, phase and the individual temperature sensors 6 that connects and outside insulating sheath 5 plastic packagings that connect lead 1,2,3,4, and 7 is solder joint.See Fig. 1, individual temperature sensors comprises semiconductor temperature sensor, data acquisition unit carries out the A/D conversion with the information that semiconductor temperature sensor sends, form number amount signal, CPU (central processing unit) will be counted son amount signal and be transported to Microprocessor Interface by the data communication interface unit, the geocoding unit solidifies the address identifier code of uniquely identified geocoding as individual temperature sensors, and Microprocessor Interface is patrolled and examined each individual temperature sensors; See Fig. 3, the hardware circuit device of Microprocessor Interface comprises power supply unit, the data communication unit, sensitivity is provided with the unit, Address Recognition and state detection unit, the data communication unit sends information to individual temperature sensors in real time, and the response message of reception individual temperature sensors, the data communication unit passes to operation processing unit with information, operation processing unit reads the information of Address Recognition and state detection unit and address information and status information that individual temperature sensors is replied compare, the control output control unit drives the fire alarm indicating member, the indicating fault unit, zone of alarm segment information display unit is exported corresponding information to fire alarm control unit, judges back control by fire alarm control unit and reports to the police.
Describe the course of work of the present utility model below in conjunction with accompanying drawing 3: each individual temperature sensors is gathered the temperature information of monitored area in real time and is given Microprocessor Interface by communication interface unit control data transmission circuit with information transmission, Microprocessor Interface is carried out comprehensive analysis and judgement by the temperature parameter to the temperature sensor collection, whether definite scene has fire to take place, each temperature sensor built-in address coding unit, geocoding with unique identification, Microprocessor Interface is discerned the physical location of individual temperature sensors by the address code information of calling individual temperature sensors, Microprocessor Interface receives the scene temperature information that each temperature sensor is sent according to the sequential that sets in advance, determine after comprehensive judgement whether the monitored area has abnormal conditions to take place, if confirm that field condition is unusual, then drive the position of output of fire alarm indicating member and circulation display abnormality section; When the transmission line of linear temperature sensor or temperature sensor self break down, Microprocessor Interface is with driving malfunction display unit output information, the position that shows fault section, the indication maintainer goes field management, when Microprocessor Interface was carried many linear temperature sensors, Microprocessor Interface was patrolled and examined the individual temperature sensors on every linear temperature sensor respectively, and reading temperature sensor information is also handled, when abnormal conditions take place, in time report to the police and display process.
Claims (6)
1. distributed line-type heat fire detector, it comprises linear temperature sensor, Microprocessor Interface, fire alarm control unit, it is characterized in that: described linear temperature sensor is by individual temperature sensors and connect and form, described individual temperature sensors comprises semiconductor temperature sensor, data acquisition unit carries out the A/D conversion with the information that semiconductor temperature sensor sends, form number amount signal, CPU (central processing unit) will be counted son amount signal and be transported to Microprocessor Interface by the data communication interface unit, the geocoding unit solidifies the address identifier code of uniquely identified geocoding as individual temperature sensors, Microprocessor Interface is patrolled and examined each individual temperature sensors, and fire alarm control unit judges back control warning according to the corresponding information of Microprocessor Interface output.
2. according to the described distributed line-type heat fire detector of claim 1, it is characterized in that: 1～4 described linear temperature sensors of described Microprocessor Interface control.
3. according to the described distributed line-type heat fire detector of claim 2, it is characterized in that: the hardware circuit device of described Microprocessor Interface comprises power supply unit, the data communication unit, sensitivity is provided with the unit, Address Recognition and state detection unit, the data communication unit sends information to described individual temperature sensors in real time, and the response message of reception individual temperature sensors, the data communication unit passes to operation processing unit with information, operation processing unit reads the information of Address Recognition and state detection unit and address information and status information that individual temperature sensors is replied compare, the control output control unit drives the fire alarm indicating member, the indicating fault unit, zone of alarm segment information display unit is exported corresponding information to fire alarm control unit, judges back control by fire alarm control unit and reports to the police.
4. according to the described distributed line-type heat fire detector of claim 3, it is characterized in that: described phase and the individual temperature sensors that connects have 256 at most.
5. according to the described distributed line-type heat fire detector of claim 4, it is characterized in that: the distance between described phase and the individual temperature sensors that connects is 1 meter～8 meters.
6. according to the described distributed line-type heat fire detector of claim 5, it is characterized in that: described phase and the individual temperature sensors that connects and between its outside insulating sheath plastic packaging of using of connection lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200369219U CN201035688Y (en) | 2007-04-27 | 2007-04-27 | Distributed line type temperature-sensitive fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200369219U CN201035688Y (en) | 2007-04-27 | 2007-04-27 | Distributed line type temperature-sensitive fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201035688Y true CN201035688Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200369219U Expired - Lifetime CN201035688Y (en) | 2007-04-27 | 2007-04-27 | Distributed line type temperature-sensitive fire detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041526A (en) * | 2012-12-28 | 2013-04-17 | 超威电源有限公司 | Self-extinguishing device for storage battery charging area |
| CN105303752A (en) * | 2015-11-03 | 2016-02-03 | 河南瑞远物联网科技有限公司 | Electrical fire monitoring and early warning system based on point type temperature sensing elements |
| CN105336083A (en) * | 2015-12-03 | 2016-02-17 | 山东大学 | Tunnel fire early warning sensor based on smart materials and road surface layout system of tunnel fire early warning sensor |
| CN107967791A (en) * | 2017-11-21 | 2018-04-27 | 北京恒华伟业科技股份有限公司 | A kind of warning information display methods and device |
| WO2021057839A1 (en) * | 2019-09-25 | 2021-04-01 | 青鸟消防股份有限公司 | Temperature detector, and temperature sensing fire hazard detection system and arrangement method and control method therefor |
-
2007
- 2007-04-27 CN CNU2007200369219U patent/CN201035688Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041526A (en) * | 2012-12-28 | 2013-04-17 | 超威电源有限公司 | Self-extinguishing device for storage battery charging area |
| CN105303752A (en) * | 2015-11-03 | 2016-02-03 | 河南瑞远物联网科技有限公司 | Electrical fire monitoring and early warning system based on point type temperature sensing elements |
| CN105336083A (en) * | 2015-12-03 | 2016-02-17 | 山东大学 | Tunnel fire early warning sensor based on smart materials and road surface layout system of tunnel fire early warning sensor |
| CN105336083B (en) * | 2015-12-03 | 2018-06-29 | 山东大学 | Tunnel fire hazard early warning sensor and its road surface arranging system based on smart material |
| CN107967791A (en) * | 2017-11-21 | 2018-04-27 | 北京恒华伟业科技股份有限公司 | A kind of warning information display methods and device |
| WO2021057839A1 (en) * | 2019-09-25 | 2021-04-01 | 青鸟消防股份有限公司 | Temperature detector, and temperature sensing fire hazard detection system and arrangement method and control method therefor |
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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: WUXI SHENGMIN SENSOR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU XING Effective date: 20150522 Free format text: FORMER OWNER: LI YANQING Effective date: 20150522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150522 Address after: 214028, No. four, No. 19-1 Road, Wuxi New District, Jiangsu Patentee after: Wuxi Shengmin Sensing Technology Co.,Ltd. Address before: 41-401 room 214028, Xinzhou garden, New District, Jiangsu, Wuxi Patentee before: Liu Xing Patentee before: Li Yanqing |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080312 |