CN206194075U - Thermal imaging temperature measurement formula electric fire monitoring detector - Google Patents
Thermal imaging temperature measurement formula electric fire monitoring detector Download PDFInfo
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- CN206194075U CN206194075U CN201620921630.7U CN201620921630U CN206194075U CN 206194075 U CN206194075 U CN 206194075U CN 201620921630 U CN201620921630 U CN 201620921630U CN 206194075 U CN206194075 U CN 206194075U
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Abstract
The utility model discloses a thermal imaging temperature measurement formula electric fire monitoring detector, it includes signal acquisition processing circuit, microcontroller, voltage conversion circuit, display circuit and bus, and the bus includes monitoring detector and outside communication bus, and monitoring detector is by perhaps being supplied power by solitary power module rather than the power supply of cascaded equipment, and voltage conversion circuit provides the power can for as required relevant module. Monitoring detector still includes thermal imaging camera, the heat picture and the video signal information on the real -time object surface of formation reaction target signature, input microcontroller. The utility model discloses utilize infrared thermal imaging technology principle, have advantages such as high sensitivity, test range guangZhou, not -contact temperature measuring, long -distance detection, wide area monitoring and anti high -pressure interference ability are strong, reduced engineering equipment cost moreover, have stronger early electric fire response ability. Can extensively be used for big space, high height of a house place and have the field of hot stall.
Description
Technical field
The utility model is related to detector for electric fire protection in safety engineering discipline, especially a kind of thermal imaging temp.-measuring type
Detector for electric fire protection.
Background technology
Electric fire monitoring system belongs to fire forecast police's system, is one kind of many fire prevention means.Install electric
Fire monitoring system can effectively contain the generation of electrical fire accident, ensure national wealth and the people's lives and property peace
Entirely.The basic composition of electric fire monitoring system should include electrical fire monitoring device and detector for electric fire protection, at present,
The gas fire monitoring detector commonly used during engineering practice mainly has residual current type detector for electric fire protection, surveys
The products such as warm formula detector for electric fire protection.Temperature-measuring-type electrical fire is by monitoring detector and temperature transducer
Constituted.
The temperature transducer that temperature-measuring-type electrical fire is generally used in current engineer applied is mainly
Thermistor (semiconductor temperature sensor) and linear temperature sensor, the problem that it is primarily present are as follows：One is temperature transducers
The sensitivity of device is not high, and protection domain is limited, in order to ensure the Effect on Detecting of temperature transducer, realizes the pre-alarm of early stage, work
Journey is installed generally using contact arrangement, and temperature transducer is fixed on the surface of inspected object, is so unfavorable for that engineering is tieed up
Shield and maintenance.Two is that, because application places are mostly high pressure place, due to Insulation Problems, there is also certain use limitation,
Along with contact is installed, temperature transducer is easily disturbed by high pressure, causes its job insecurity；Three is by structure and detection mechanism
Limitation, the protection domain of a temperature transducer is limited, so limit the protection domain of temperature transducer, for example, partly leading
Temperature sensor uses point contact type thermometric, because installation process belongs to wired connection, in the more controller switching equipment of terminal and
In power distribution cabinet, due to wiring difficulty cannot large area lay, but it is local lay and cannot realize that comprehensive abnormal temperature is monitored,
Therefore there is certain limitation；Linear temperature sensor uses line contact type thermometric, to this multichannel inlet wire of power distribution cabinet, outlet
Detection, need to be by the way of a temperature transducer protection be equipped with for each of which root inlet wire or outlet, this mode increases
Add engineering equipment cost, reduce engineer applied cost performance.
In existing patent document, Application No. CN201521024990.9, a kind of entitled " electrical fire security monitoring dress
Put " utility model be also integrated with camera, but it does not have temp sensing function, and simply panorama scene is recorded a video shoots, temperature prison
Survey is completed by temperature transducer, therefore this mode cannot still overcome that temperature transducer protection domain is limited to ask
Topic.
In sum, due to the presence of above mentioned problem, greatly limit the application of temperature-measuring-type electrical fire
Scope, have impact on the electrical fire early stage responding ability of detector.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of thermal imaging temp.-measuring type
Detector for electric fire protection, it utilizes infrared thermal imaging technique principle, and with high sensitivity, investigative range is wide, can realize
Contactless temperature-measuring, remote detection, area monitoring wide, it is to avoid contact is installed the high pressure brought and disturbed, and reduces engineering and sets
Standby cost, with stronger early stage electrical fire responding ability.Can be widely applied to electric power, petrochemical industry, metallurgy, track traffic, boat
The large spaces such as sky, forest height of a house place high and there is the field of hot stall, realize the monitoring and early warning of fire early stage, it can also be used to
The safety monitoring of important place.
In order to solve the above technical problems, the utility model proposes a kind of thermal imaging temperature-measuring-type electrical fire,
Including signal acquisition processing circuit, microcontroller, voltage conversion circuit, display circuit and bus, signal acquisition processing circuit pair
Be sent to microcontroller after the information pre-processing of collection, microcontroller the information being input into is analyzed with treatment, be converted into corresponding
Temperature information, by display circuit export, bus include monitoring detector with outside communication bus, monitoring detector by with
The equipment of its cascade is powered or is powered by single power module, and voltage conversion circuit can be carried to correlation module as needed
Power supply source, also including thermal imaging camera, it is connected with signal acquisition processing circuit, to detecting objects body itself radiation
Infrared heat, and converted thereof into by signal acquisition processing circuit features indicating target characteristics real-time body surface thermal image and
Video signal information, is input into microcontroller.
By above-mentioned bus, thermal imaging temperature-measuring-type electrical fire may be coupled to be set with the outside that it is cascaded
In standby, bus includes video information output line, debugging bus and status signal output line.
Above-mentioned video information output line includes analog video interface and/or digital visual interface.
Above-mentioned analog video interface is preferably PAL, and digital visual interface is preferably RJ45.
Above-mentioned debugging bus packet contains debugging interface, preferably RS485.
Extended for ease of system, debugging bus also includes Pbus interfaces.
Switching value interface of the above-mentioned status signal output line comprising reflection fire alarm, failure output.
The above-mentioned external equipment cascaded with thermal imaging temperature-measuring-type electrical fire sets including electrical fire monitoring
Standby, fire alarm control unit.
Further, thermal imaging temperature-measuring-type electrical fire and the electrical fire monitoring device, fire alarm
Communication between controller can also use wireless mode.
Compared with prior art, the advantage of technical solutions of the utility model is：
1, the thermal imaging temperature-measuring-type electrical fire that the utility model is related to make use of infrared thermal imaging technique
Principle, can realize contactless temperature-measuring, remote detection, and area monitoring wide effectively prevent contact and install the height for bringing
Press dry and disturb.
2, with high sensitivity, the characteristics of investigative range is wide.Substantially increase temperature-measuring-type electrical fire
Early stage electrical fire responding ability and alarm accuracy, expand the protection domain of sensor while rate of false alarm is reduced, and carry
The engineering adaptability of detector high.
3, engineering equipment cost can be effectively reduced, with stronger early stage electrical fire responding ability.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the mechanical structure schematic diagram of a specific embodiment of the present utility model.
Fig. 3 is the connection diagram of monitoring detector and electrical fire monitoring device.
Specific embodiment
Specific embodiment of the present utility model is further described in detail in conjunction with accompanying drawing.
As shown in figure 1, thermal imaging temperature-measuring-type electrical fire includes thermal imaging camera, detector (also referred to as
Signal processing unit).Detector include microcontroller circuit, signal acquisition processing circuit, voltage conversion circuit, display circuit,
Warning output, video frequency output, RS485 outputs, RJ45 outputs, bus output.As a specific embodiment, thermal imaging camera
Major parameter be：Monitoring distance：Fixed focal length, 50m；, temperature-measuring range：- 20 DEG C~+650 DEG C, precision ± 2%；Pixel：384
×288；The angle of visual field：25。×19。.This detector can be used alone the mode work of the input module for accessing fire alarm control unit
Make, it is also possible to electrical fire monitoring device is accessed by networking mode or wireless mode and is worked.
The utility model utilizes infrared thermal imaging technique principle, is radiated by thermal imaging camera detecting objects body itself
Infrared heat, and convert thereof into the signal messages such as the thermal image and video of the real-time body surface of features indicating target characteristics, and
The signal messages such as thermal image and video are sent to by computer processor by signal acquisition processing circuit, computer processor is to receiving
Signal message be analyzed with treatment, be converted into corresponding temperature information, and by various output interface circuits by object
The temperature information of body is exported in different forms.
Output circuit, including display circuit, warning output, video frequency output, RS485 output, RJ45 outputs, bus output
Deng.Wherein, video frequency output includes analog video interface and digital visual interface.Analog video interface is preferably PAL (50Hz), number
Word video interface can preferably realize being not less than the network interface of 1000Mbit/S, 50 frames/second transmission rate, and heat can be analyzed to transmit
View data.RS485 is output as debugging interface, and selection is used when being debugged for curstomer's site.Bus output is preferably Pbus.Display
The function of circuit includes the display of the status informations such as temperature information, alarm and the operation of measured target object and inquiry；Alarm is defeated
It has the output of failure and fire alarm information including detector, it is output switch parameter；Remaining output function is then according to different
It is required that carrying out the output of multi-form.
As shown in Fig. 2 it is the mechanical structure schematic diagram of a specific embodiment of detector, thermal imaging is set at window
Video camera.In figure, 1 is window, and thermal imaging camera is installed and this, and 2 is mounting bracket, and 3 is incoming line, and 4 is binding post, 5
It is explosion-proof chamber, explosive-proof grade：Flame proof B.
Connection diagram such as Fig. 3 institutes of thermal imaging temp.-measuring type electrical fire monitoring detection system and electrical fire monitoring device
Show, system is made up of thermal imaging temperature-measuring-type electrical fire and electrical fire monitoring device.Thermal imaging temp.-measuring type electricity
Gas fire monitoring detector is connected by bus with electrical fire monitoring device, thermal imaging temperature-measuring-type electrical fire
The information such as the target object or the temperature in region that will detect upload to electrical fire monitoring device by bus.Bus includes electricity
Source line, order wire (fiber medium), video information output line (fiber medium), debugging bus, status signal output line (failure with
Fire alarm switch amount information output).In specific implementation, electrical fire monitoring device can use wall mounted versions, comprising 4
Loop, temperature-measuring-type electrical fire 8 can be connected per road.Electrical fire monitoring device maximum can be extended to 32 and return
Road, so, the quantity that can connect detector can reach 256 in theory.As it was previously stated, monitoring detector is except such as Fig. 3 institutes
It is showing with electrical fire monitoring device bus cascade system, wirelessly can also be realized with electrical fire monitoring device
Two-way communication, or the mode of access fire alarm control unit input module works.
The above is only preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill people of this area
For member, on the premise of the utility model principle is not departed from, some deformations and improvement can also be made, such as to the kind of bus
Change that class is done etc., these also should be regarded as belonging to protection domain of the present utility model.
Claims (10)
1. a kind of thermal imaging temperature-measuring-type electrical fire, including signal acquisition processing circuit, microcontroller, voltage turn
Circuit, display circuit and bus are changed, signal acquisition processing circuit after the information pre-processing of collection to being sent to microcontroller, microcontroller
Device to be input into information be analyzed with treatment, be converted into corresponding temperature information, by display circuit export, bus include prison
Control detector is powered by the equipment cascaded with it or is supplied by single power module with outside communication bus, monitoring detector
Electricity, voltage conversion circuit can provide power supply to correlation module as needed, it is characterised in that：Also include thermal imaging camera,
It is connected with signal acquisition processing circuit, to detecting objects body itself radiation infrared heat, and by signal acquisition at
Reason circuit converts thereof into the thermal image and video signal information of the real-time body surface of features indicating target characteristics, is input into microcontroller
Device.
2. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 1, it is characterised in that by institute
State during monitoring bus detector may be coupled to the external equipment cascaded with it, bus includes that video information output line, debugging are total
Line and status signal output line.
3. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 2, it is characterised in that described to regard
Frequency information output line includes analog video interface and/or digital visual interface.
4. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 3, it is characterised in that the mould
Plan video interface is PAL.
5. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 3, it is characterised in that the number
Word video interface is RJ45.
6. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 2, it is characterised in that the tune
Examination bus packet RS485 containing debugging interface.
7. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 2, it is characterised in that the tune
Examination bus also includes Pbus interfaces.
8. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 2, it is characterised in that the shape
Switching value interface of the state output line comprising reflection fire alarm, failure output.
9. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 2, it is characterised in that described outer
Portion's equipment includes electrical fire monitoring device, fire alarm control unit.
10. a kind of thermal imaging temperature-measuring-type electrical fire according to claim 9, it is characterised in that monitoring is visited
It is wireless mode to survey device and the communication between the electrical fire monitoring device, fire alarm control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921630.7U CN206194075U (en) | 2016-08-22 | 2016-08-22 | Thermal imaging temperature measurement formula electric fire monitoring detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620921630.7U CN206194075U (en) | 2016-08-22 | 2016-08-22 | Thermal imaging temperature measurement formula electric fire monitoring detector |
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| CN206194075U true CN206194075U (en) | 2017-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884075A (en) * | 2017-11-16 | 2018-04-06 | 芜湖市卓亚电气有限公司 | Power supply unit |
| CN111157119A (en) * | 2020-01-06 | 2020-05-15 | 北京海博智恒电气防火科技有限公司 | Temperature monitoring method, thermal imaging scanning monitoring device and system |
-
2016
- 2016-08-22 CN CN201620921630.7U patent/CN206194075U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884075A (en) * | 2017-11-16 | 2018-04-06 | 芜湖市卓亚电气有限公司 | Power supply unit |
| CN111157119A (en) * | 2020-01-06 | 2020-05-15 | 北京海博智恒电气防火科技有限公司 | Temperature monitoring method, thermal imaging scanning monitoring device and system |
| CN111157119B (en) * | 2020-01-06 | 2021-08-27 | 北京海博智恒电气防火科技有限公司 | Temperature monitoring method, thermal imaging scanning monitoring device and system |
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