CN203217702U - Optical fiber temperature measuring technology-based security monitoring system - Google Patents
Optical fiber temperature measuring technology-based security monitoring system Download PDFInfo
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- CN203217702U CN203217702U CN 201320173087 CN201320173087U CN203217702U CN 203217702 U CN203217702 U CN 203217702U CN 201320173087 CN201320173087 CN 201320173087 CN 201320173087 U CN201320173087 U CN 201320173087U CN 203217702 U CN203217702 U CN 203217702U
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- optical fiber
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Abstract
An optical fiber temperature measuring technology-based security monitoring system comprises a temperature measuring optical fiber, an optical fiber temperature measuring host, an optical fiber terminal box, multiple groups of fire hazard detection devices, a power supply bus, a power supply, and multiple heating signal converters, wherein the temperature measuring optical fiber is mounted in a fire hazard detection field; the optical fiber temperature measuring host is connected with one end of the temperature measuring optical fiber; the optical fiber terminal box is connected with the other end of the temperature measuring optical fiber; the multiple heating signal converters are mounted on the temperature measuring optical fiber at intervals; the multiple groups of fire hazard detection devices are mutually connected through the power supply bus; the position of each group of fire hazard detection devices corresponds to the position of one heating signal converter and the group of fire hazard detection devices is connected with the heating signal converter through the power supply bus; and the power supply is connected with the power supply bus and used for providing power to the fire hazard detection devices and the heating signal converters. The detection distance of the monitoring system of the utility model is as long as 60 kilometers so that the system is greatly increased in usage distance a fire hazard alarm system. In addition, the optical fiber communication is strong in interference resistance so that the on-site usage of the monitoring system is relatively convenient and reliable.
Description
Technical field
The utility model belongs to the security monitoring technical field, particularly a kind of safety monitoring system based on the optical fiber temperature-measurement technology.
Background technology
For safety and normal use that ensures vcehicular tunnel, usually all at the inner fire alarm system that is used for monitoring naked light and temperature of installing of vcehicular tunnel.Fig. 1 is that a kind of vcehicular tunnel fire alarm system of using always at present constitutes synoptic diagram.As shown in Figure 1, this vcehicular tunnel fire alarm system mainly comprises fire alarm control unit 1, detection bus 2, a plurality of manual pull station 3, a plurality of flame detector 4, power bus 5 and power supply 6; Wherein a plurality of flame detectors 4 or/and a plurality of manual pull station 3 be arranged on the tunnel inwall along length of tunnel direction standoff distance, each flame detector 4 and a closed type manual pull station 3 are connected on the detection bus 2, detection bus 2 links to each other with fire alarm control unit 1, power supply 6 then joins with all flame detectors 4 simultaneously by power bus 5, for these flame detectors 4 provide electric energy.When in the tunnel during breaking out of fire, the smog that flame detector 4 produces in the time of will detecting substance combustion and liberated heat, or detect visible or the invisible light radiation, it passes to fire alarm control unit 1 with warning message by detection bus 2 immediately, press manual pull station 3 when perhaps Xian Chang staff finds fire, the actuating signal of this manual pull station 3 also will pass to fire alarm control unit 1 by detection bus 2, and fire alarm control unit 1 sends fire alarm signal according to above-mentioned information.
Fig. 2 is that the another kind of vcehicular tunnel fire alarm system of using always at present constitutes synoptic diagram.As shown in Figure 2, this vcehicular tunnel fire detecting system is combined by above-mentioned fire detecting system and linear optical fiber temp measuring system and constitutes; Wherein the linear optical fiber temp measuring system comprises load module 7, optical fiber temperature-measurement main frame 8, optical fiber 9 and optical fiber terminal box 10; Optical fiber 9 is arranged on the tunnel inwall along the length of tunnel direction, and two ends link to each other with optical fiber terminal box 10 with optical fiber temperature-measurement main frame 8 respectively; Optical fiber temperature-measurement main frame 8 is connected on the detection bus 2 of above-mentioned fire detecting system by load module 7.When in the tunnel during breaking out of fire, the smog that flame detector 4 produces in the time of will detecting substance combustion and liberated heat, or detect visible or the invisible light radiation, it passes to fire alarm control unit 1 with warning message by detection bus 2 immediately, press manual pull station 3 when perhaps Xian Chang staff finds fire, the actuating signal of this manual pull station 3 also will pass to fire alarm control unit 1 by detection bus 2; Meanwhile, optical fiber temperature-measurement main frame 8 is with the temperature of real-time detection fiber 9, and this temperature detection value passed to fire alarm control unit 1 by the load module 7 that is connected on the detection bus 2 after treatment, send fire alarm signal by fire alarm control unit 1 according to above-mentioned information at last.But, there is following point in above-mentioned two kinds of vcehicular tunnel fire detecting systems: because above-mentioned fire detecting system is to utilize detection bus 2 to come transmission of electric signals, as everyone knows, electric signal is along with the increase decay of transmission range is very big, its communication distance only is 1Km～2Km, like this, be subjected to the restriction of communication distance, it is on-the-spot therefore to be difficult to satisfy extensive use at a distance.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of surveillance based on the optical fiber temperature-measurement technology that can long-range detection communication.
In order to achieve the above object, the surveillance based on the optical fiber temperature-measurement technology that provides of the utility model comprise thermometric optical fiber, optical fiber temperature-measurement main frame, optical fiber terminal box, organize fire detecting arrangement more, power bus, power supply and a plurality of heating signal converter; Wherein thermometric optical fiber is installed in the detection scene; The optical fiber temperature-measurement main frame is connected an end of thermometric optical fiber, is used for the temperature of monitoring thermometric optical fiber in real time; Optical fiber terminal box is connected the other end of thermometric optical fiber, provides mechanical protection and environmental protection to tail optical fiber; A plurality of heating signal converter standoff distances are installed on the thermometric optical fiber; Many group fire detecting arrangements are connected with each other by power bus, and every group of fire detecting arrangement is corresponding with the position of a heating signal converter and be connected with this heating signal converter by power bus; Power supply is connected on the power bus, for fire detecting arrangement and heating signal converter provide electric energy.
Described surveillance based on the optical fiber temperature-measurement technology also comprises a heating power supply bus that links to each other with a plurality of heating signal converters and is connected heating power supply on the heating power supply bus.
Described heating signal converter mainly comprises temperature measurement unit, heating unit, monitoring unit and switch element; Wherein switch element is connected on the fire detecting arrangement, is used for the switching signal of monitoring fire detecting arrangement; Temperature measurement unit is installed on the thermometric optical fiber, is used for the temperature of monitoring thermometric optical fiber; Heating unit is installed on the thermometric optical fiber, heating thermometric optical fiber when being used for breaking out of fire; Monitoring unit links to each other with temperature measurement unit, switch element and heating power supply or power supply, is used for the detection signal of receiving key unit and temperature measurement unit, and controls startup or the cut-out of heating power supply or power supply accordingly; Heating power supply or power supply join with heating unit simultaneously.
Described every group of fire detecting arrangement by a manual pull station or/and a flame detector form.
Described heating power supply is any among alternating current 220V, direct current 48V or the direct current 24V.
Heater element in the described heating unit is mica electric heating sheets, ceramic electrical heating plate or silicon rubber heating plate.
Described thermometric optical fiber, optical fiber temperature-measurement main frame, optical fiber terminal box are respectively thermometric grating, grating thermometric main frame, grating termination box.
The surveillance based on the optical fiber temperature-measurement technology that the utility model provides is to utilize the alerting signal of on-the-spot various fire detecting arrangement output to start heating unit in the heating signal converter, make it be warming up to design temperature to heat certain section thermometric optical fiber, when the temperature that monitors this section thermometric optical fiber when the optical fiber temperature-measurement main frame reaches design temperature, the alerting signal of output correspondence position.Because the optical fiber temperature-measurement technology has characteristics such as optical signal transmission is fast, decay is little, its detection range can reach 60 kilometers, so native system has improved the usable range of fire alarm system widely.In addition, because the strong interference immunity of optical fiber communication, therefore on-the-spot use is more convenient, reliable.
Description of drawings
Fig. 1 is that a kind of vcehicular tunnel fire alarm system of using always at present constitutes synoptic diagram.
Fig. 2 is that the another kind of vcehicular tunnel fire alarm system of using always at present constitutes synoptic diagram.
The safety monitoring system synoptic diagram based on the optical fiber temperature-measurement technology that Fig. 3 provides for the utility model.
Fig. 4 constitutes block diagram for what the utility model provided based on heating signal converter in the safety monitoring system of optical fiber temperature-measurement technology.
Fig. 5 for the utility model provide based on heating signal converter embodiment 1 circuit theory synoptic diagram in the safety monitoring system of optical fiber temperature-measurement technology.
Fig. 6 for the utility model provide based on heating signal converter embodiment 2 circuit theory synoptic diagram in the safety monitoring system of optical fiber temperature-measurement technology.
Embodiment
Below in conjunction with drawings and Examples the surveillance based on the optical fiber temperature-measurement technology that the utility model provides is elaborated.The parts identical with prior art adopt identical drawing reference numeral, and omit its explanation of carrying out.
Embodiment 1
As shown in Figure 3-Figure 5, the surveillance based on the optical fiber temperature-measurement technology that provides of present embodiment comprise thermometric optical fiber 9, optical fiber temperature-measurement main frame 8, optical fiber terminal box 10, organize fire detecting arrangement more, power bus 5, power supply 6 and a plurality of heating signal converter 12; Wherein thermometric optical fiber 9 is installed in the detection scene; Optical fiber temperature-measurement main frame 8 is connected an end of thermometric optical fiber 9, is used for the temperature of monitoring thermometric optical fiber 9 in real time; Optical fiber terminal box 10 is connected the other end of thermometric optical fiber 9, provides mechanical protection and environmental protection to tail optical fiber; A plurality of heating signal converter 12 standoff distances are installed on the thermometric optical fiber 9; Many group fire detecting arrangements are connected with each other by power bus 5, and every group of fire detecting arrangement is corresponding with the position of a heating signal converter 12 and be connected with this heating signal converter 12 by power bus 5; Power supply 6 is connected on the power bus 5, for fire detecting arrangement and heating signal converter 12 provide electric energy.
Described surveillance based on the optical fiber temperature-measurement technology also comprise a heating power supply bus 5 that links to each other with a plurality of heating signal converters 12 ' and be connected heating power supply bus 5 ' on heating power supply 6 ', can utilize heating power supply 6 ' separately by heating power supply bus 5 ' be heating signal converter 12 power supplies.
Described heating signal converter 12 mainly comprises temperature measurement unit 12-1, heating unit 12-2, monitoring unit 12-4 and switch element 12-5; Wherein switch element 12-5 is connected on the fire detecting arrangement, is used for the switching signal of monitoring fire detecting arrangement; Temperature measurement unit 12-1 is installed on the thermometric optical fiber 9, is used for the temperature of monitoring thermometric optical fiber 9; Heating unit 12-2 is installed on the thermometric optical fiber 9, heating thermometric optical fiber 9 when being used for breaking out of fire; Monitoring unit 12-4 and temperature measurement unit 12-1, switch element 12-5 and heating power supply 6 ' or power supply 6 link to each other, be used for the detection signal of receiving key unit 12-5 and temperature measurement unit 12-1, and control heating power supply 6 ' or startup or the cut-out of power supply 6 accordingly; Heating power supply 6 ' or power supply 6 join with heating unit 12-2 simultaneously.
Described every group of fire detecting arrangement by a manual pull station or/and a flame detector form.
Among alternating current 220V, direct current 48V or the direct current 24V any of described heating power supply 6 ' be.
Heater element among the described heating unit 12-2 is mica electric heating sheets, ceramic electrical heating plate or silicon rubber heating plate.
The surveillance principle of work based on the optical fiber temperature-measurement technology that now the utility model is provided is described below:
Under normal circumstances, fire detecting arrangement in this surveillance, such as manual pull station 3 or/and flame detector 4 can output alarm signal, at this moment, heating signal converter 12 just can not heat the thermometric optical fiber 9 of respective segments, optical fiber temperature-measurement main frame 8 just can not measure the temperature anomaly of each local on the thermometric optical fiber 9, so optical fiber temperature-measurement main frame 8 just can not exported fire alarm signal yet.When on-the-spot breaking out of fire, smog and liberated heat that the flame detector 4 that is positioned at this scene of fire produces in the time of will detecting substance combustion, or detect visible or the invisible light radiation, it produces action immediately, press open type manual pull station 3 when perhaps Xian Chang staff finds fire, connect the power supply of heating signal converter 12 thus, at this moment, the switch element 12-5 that is installed in the heating signal converter 12 on flame detector 4 or the manual pull station 3 will output signal to monitoring unit 12-4, under the control of monitoring unit 12-4, heating unit 12-2 will connect heating power supply 6 ' or power supply 6, heat for thus the thermometric optical fiber 9 of corresponding section.Reach alarm temperature in case optical fiber temperature-measurement main frame 8 detects this regional temperature, send fire alarm signal immediately.In the process of heating unit 12-2 heating thermometric optical fiber 9, the temperature measurement unit 12-1 that is installed on the thermometric optical fiber 9 will detect the temperature of thermometric optical fiber 9 in real time, and send detected temperature signal to monitoring unit 12-4.In case the temperature of thermometric optical fiber 9 reaches the higher limit of setting, under the control of monitoring unit 12-4, stop the heating to thermometric optical fiber 9 immediately.Above-mentioned heating-up temperature higher limit can be set according to situations such as environment temperature, on-the-spot detecting devices type, positions.
As shown in Figure 5, temperature measurement unit 12-1 among Fig. 4 and monitoring unit 12-4 can with thermal element 12-3 replace, in case thermometric optical fiber 9 is heated and makes it reach the temperature of setting, the heating power supply 6 that can utilize thermal element 12-3 to cut off thermometric optical fiber 9 is heated ', and switch element 12-5 is serially connected in the heating circuit and can powers up directly for heating unit 12-2.Heating power supply bus 5 among Fig. 4 of heating power supply 6 among the figure ' be connected on ' on, switch element 12-5 is connected on the fire detecting arrangement, crosses thermal element 12-3, switch element 12-5 and heating unit 12-2 and is cascaded.In case fire detecting arrangement output switching value alerting signal, heating unit 12-2 just begins thermometric optical fiber 9 is heated.But when heating-up temperature surpasses the operating temperature of crossing thermal element 12-3 set, cross thermal element 12-3 will cut off heating power supply 6 ', to stop the heating to thermometric optical fiber 9.Described thermal element 12-3 excessively is bimetallic strip temperature switch or heat sensitive ferrite temperature switch, and its operating temperature need be selected according to the field apparatus specific requirement, as conditions such as environment temperature, device type, device locations.
As shown in Figure 6, temperature measurement unit 12-1 among Fig. 4 can adopt temperature sensor, the switch element 12-5 that monitoring unit 12-4 real time monitoring links to each other with the fire detecting arrangement that can send the alarm switch signal, and utilize temperature sensor to monitor the heating-up temperature of thermometric optical fiber 9 in real time, namely by the monitor alarm switching signal and the monitoring heating-up temperature open and cut off heating power supply 6 ', in addition, can set the higher limit of thermometric optical fiber 9 heating-up temperatures at monitoring unit 12-4.In case fire detecting arrangement produces actuation of an alarm and exports the switching value alerting signal, heating unit 12-2 begins thermometric optical fiber 9 is heated immediately.When heating-up temperature surpasses design temperature, monitoring unit 12-4 will cut off heating power supply 6 ', to stop the heating to thermometric optical fiber 9.Described temperature sensor 12-1 is thermistor, temperature detection chip.
The difference of present embodiment and above-described embodiment 1 is to adopt the grating temp measuring system to replace optical fiber temperature measurement system, heating signal converter 12 is at the thermometric grating heating that is arranged on the fiber optic cables, and the surveillance based on the optical fiber temperature-measurement technology of other and embodiment 1 is identical.In this case, above-mentioned thermometric optical fiber 9, optical fiber temperature-measurement main frame 8, optical fiber terminal box 10 are respectively thermometric grating, grating thermometric main frame, grating termination box.The position is set the grating of this grating temp measuring system or spacing can arrange when grating fibers is produced according to engineering area of fire protection division actual conditions.
Claims (7)
1. safety monitoring system based on the optical fiber temperature-measurement technology, it is characterized in that: described safety monitoring system based on the optical fiber temperature-measurement technology comprises thermometric optical fiber (9), optical fiber temperature-measurement main frame (8), optical fiber terminal box (10), organizes fire detecting arrangement, power bus (5), power supply (6) and a plurality of heating signal converter (12) more; Wherein thermometric optical fiber (9) is installed in the detection scene; Optical fiber temperature-measurement main frame (8) is connected an end of thermometric optical fiber (9), is used for the temperature of monitoring thermometric optical fiber (9) in real time; Optical fiber terminal box (10) is connected the other end of thermometric optical fiber (9), provides mechanical protection and environmental protection to tail optical fiber; A plurality of heating signal converters (12) standoff distance is installed on the thermometric optical fiber (9); Many group fire detecting arrangements are connected with each other by power bus (5), and every group of fire detecting arrangement is corresponding with the position of a heating signal converter (12) and be connected with this heating signal converter (12) by power bus (5); Power supply (6) is connected on the power bus (5), for fire detecting arrangement and heating signal converter (12) provide electric energy.
2. the safety monitoring system based on the optical fiber temperature-measurement technology according to claim 1 is characterized in that: described safety monitoring system based on the optical fiber temperature-measurement technology also comprises a heating power supply bus that links to each other with a plurality of heating signal converters (12) (5 ＇) and is connected heating power supply (6 ＇) on the heating power supply bus (5 ＇).
3. the safety monitoring system based on the optical fiber temperature-measurement technology according to claim 1, it is characterized in that: described heating signal converter (12) mainly comprises temperature measurement unit (12-1), heating unit (12-2), monitoring unit (12-4) and switch element (12-5); Wherein switch element (12-5) is connected on the fire detecting arrangement, is used for the switching signal of monitoring fire detecting arrangement; Temperature measurement unit (12-1) is installed on the thermometric optical fiber (9), is used for the temperature of monitoring thermometric optical fiber (9); Heating unit (12-2) is installed on the thermometric optical fiber (9), heating thermometric optical fiber (9) when being used for breaking out of fire; Monitoring unit (12-4) links to each other with temperature measurement unit (12-1), switch element (12-5) and heating power supply (6 ＇) or power supply (6), be used for the detection signal of receiving key unit (12-5) and temperature measurement unit (12-1), and control startup or the cut-out of heating power supply (6 ＇) or power supply (6) accordingly; Heating power supply (6 ＇) or power supply (6) join with heating unit (12-2) simultaneously.
4. the safety monitoring system based on the optical fiber temperature-measurement technology according to claim 1 is characterized in that: described every group of fire detecting arrangement by a manual pull station or/and a flame detector form.
5. the safety monitoring system based on the optical fiber temperature-measurement technology according to claim 3 is characterized in that: described heating power supply (6 ＇) is among alternating current 220V, direct current 48V or the direct current 24V any.
6. the safety monitoring system based on the optical fiber temperature-measurement technology according to claim 3, it is characterized in that: the heater element in the described heating unit (12-2) is mica electric heating sheets, ceramic electrical heating plate or silicon rubber heating plate.
7. according to described safety monitoring system based on the optical fiber temperature-measurement technology one of in the claim 1 to 6, it is characterized in that: described thermometric optical fiber (9), optical fiber temperature-measurement main frame (8), optical fiber terminal box (10) are respectively thermometric grating, grating thermometric main frame, grating termination box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320173087 CN203217702U (en) | 2013-04-09 | 2013-04-09 | Optical fiber temperature measuring technology-based security monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173087 CN203217702U (en) | 2013-04-09 | 2013-04-09 | Optical fiber temperature measuring technology-based security monitoring system |
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| CN 201320173087 Withdrawn - After Issue CN203217702U (en) | 2013-04-09 | 2013-04-09 | Optical fiber temperature measuring technology-based security monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208163A (en) * | 2013-04-09 | 2013-07-17 | 西安博康电子有限公司 | Optical fiber temperature measuring technology-based security monitoring system |
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2013
- 2013-04-09 CN CN 201320173087 patent/CN203217702U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208163A (en) * | 2013-04-09 | 2013-07-17 | 西安博康电子有限公司 | Optical fiber temperature measuring technology-based security monitoring system |
| CN103208163B (en) * | 2013-04-09 | 2015-09-16 | 西安博康电子有限公司 | A kind of safety monitoring system based on Fiber Optic Pyrometer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hao Cunji Inventor after: Zhao Kangzhu Inventor after: Su Jiashen Inventor after: Zhao Changzheng Inventor before: Zhao Kangzhu Inventor before: Su Jiashen Inventor before: Zhao Changzheng |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO KANGZHU SU JIASHEN ZHAO CHANGZHENG TO: HAO CUNJI ZHAO KANGZHU SU JIASHEN ZHAO CHANGZHENG |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20150916 |
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| RGAV | Abandon patent right to avoid regrant |