CN101661658A - Infrared image detection alarm device - Google Patents
Infrared image detection alarm device Download PDFInfo
- Publication number
- CN101661658A CN101661658A CN200910085280A CN200910085280A CN101661658A CN 101661658 A CN101661658 A CN 101661658A CN 200910085280 A CN200910085280 A CN 200910085280A CN 200910085280 A CN200910085280 A CN 200910085280A CN 101661658 A CN101661658 A CN 101661658A
- Authority
- CN
- China
- Prior art keywords
- threshold value
- alarm threshold
- alarm
- image detection
- infrared image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to an infrared image detection alarm device comprising an infrared detection lens, a central processing unit and a display. A preprocessor, a signal processor, a postprocessor and a memory in the central processing unit are sequentially connected to form a data process and transmission circuit, and the central processing unit further comprises an operation control unit for controlling an alarm signal to be output to an alarm circuit. The operation control unit executes operation and comparison to the processed data so as to judge whether the current object comes up to thestandard of fire alarm or maintenance alarm or not, and once any one of the compared results meets the alarm requirement, an alarm signal is transmitted to the alarm circuit. The infrared image detection alarm device not only can perceive the abnormal change of the object surface temperature, but also can detect the position and the range of the temperature abnormal change by detecting the thermal image of the object surface temperature distribution, thus being beneficial to early position of the fire hazard area and alarm.
Description
Technical field
The present invention relates to a kind of fire detecting and alarm device, particularly a kind of temperature anomaly situation of change of utilizing the infrared imaging perception to be monitored the object in zone, thereby the detection alarm device of surveying the condition of a fire and reporting to the police.
Background technology
The temperature rise of object takes place generally all to be accompanied by in fire, ANOMALOUS VARIATIONS for detecting temperature, generally carry out perception by heat detector, but heat detector can only sense temperature changes can not unusual concrete position and the scope that raises of sense temperature, therefore the method that hygrosensor combines with camera surveillance is adopted in the detection that has, but used video camera generally can only be observed naked light, separate with hygrosensor, most cases needs artificial the participation to judge the condition of a fire, is unfavorable for automatic warning.
The thermal imagery that also has with thermal infrared imager display-object thing, but do not have continuous warning output, particularly to reporting to the police behind the thermal imagery intellectual analysis.Manual intervention is many, and is consuming time, the handling cost height.
Summary of the invention
In order to overcome above-mentioned deficiency, the invention provides a kind of infrared image detection alarm device, but both perception object variation of temperature can also be located the position and the scope of temperature variation, and experiencing slowly before taking place for fire especially, the fire of heat-accumulating process of coal self type can play the purpose of early reporting to the police.
The technical solution adopted in the present invention is:
A kind of infrared image detection alarm device, comprise the infrared acquisition camera lens, CPU (central processing unit) and display, described CPU (central processing unit) comprises pretreater, signal processor, preprocessor and storer, described pretreater receives the analog electrical signal from described infrared acquisition camera lens, sending into described signal processor after the analog to digital conversion of described pretreater amplifies, obtaining video data through the Video processing of described preprocessor again delivers to described display and shows output, described CPU (central processing unit) also comprises arithmetic and control unit, described arithmetic and control unit is connected with described signal processor, and described arithmetic and control unit has one tunnel warning output to deliver to warning circuit.
Contain internal storage and comparator circuit in the described arithmetic and control unit, described internal storage can be used for store alarms threshold value, standard image data and procedural image data, described comparator circuit can be used to judge whether the infrared thermal field of actual measurement reaches fire alarm standard or maintenance early warning standard, when being compared data value and having reached corresponding described alarm threshold value, will send alerting signal to described warning circuit.
Described standard image data can comprise the initial thermal-induced imagery data that are monitored each equipment downtime state in the zone; described procedural image data can comprise the thermal-induced imagery data of the last compare cycle of actual measurement, and described alarm threshold value comprises absolute alarm threshold value and increment alarm threshold value.
Described alarm threshold value is the temperature equivalent value, specifically is set to following any or multiple combination, and its establishing method separately is:
(1) unified alarm threshold value is set in whole viewing areas of described display;
(2) the whole viewing areas with described display are divided into a plurality of sub-viewing areas, serve as the artificial display unit of setting with described sub-viewing area, set alarm threshold value respectively at each described sub-viewing area;
(3) at a certain time interval for comparing step-length, set the increment alarm threshold value of adjacent two compare cycles, described increment alarm threshold value is meant the equivalent of the maximum allowable temperature variable quantity of adjacent two compare cycles, and described increment alarm threshold value is corresponding to the minimum display unit or the described sub-viewing area of described display.
The comparative approach that described comparator circuit is carried out is set accordingly according to described alarm threshold value, is specially following any or multiple combination, and its comparative approach separately is:
(1) the minimum display unit with described display is a unit, by relatively finding out the highest minimum display unit of temperature, and the temperature equivalent of this minimum display unit is compared in real time with the described unified alarm threshold value that presets;
(2) be unit with described sub-viewing area, the equivalent of the medial temperature of each described sub-viewing area and the alarm threshold value that presets of described sub-viewing area are compared in real time;
(3) the comparison step-length with described increment alarm threshold value is a step-length, the thermal-induced imagery data of current thermal-induced imagery data and described last compare cycle are contrasted computing in real time, the two computing difference and described increment alarm threshold value are compared in real time, and described contrast computing is carried out at the minimum display unit or the described sub-viewing area of described display.
Also send the minimum display unit of the described display that produces described alerting signal or the address of described sub-viewing area when sending described alerting signal.
Described display can be used to export infrared thermal imagery and user's setting operation interface.
Also be provided with input media, described input media can be keyboard.
Also be provided with the transmission interface of image information, described transmission interface can be connected with outside movable storage device.
Integrated CCD pick-up lens can also be set, and described CCD pick-up lens is installed near described infrared acquisition camera lens.
The present invention utilizes the high more characteristic of high more its infrared intensity of object temperature, formation can reflect the image of object surface temperature distribution, temperature anomaly that can not only the perception object changes, and position and scope that can also the detecting temperature ANOMALOUS VARIATIONS help early stage pinpoint threat zone and report to the police.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Embodiment
The present invention is a kind of infrared image detection alarm device, its schematic block circuit diagram as shown in Figure 1, comprise infrared acquisition camera lens 1, CPU (central processing unit) 2 and display 3, described CPU (central processing unit) comprises pretreater 4, signal processor 5, preprocessor 6 and storer 7, they link to each other successively, and composition data is handled and the circuit of transmission, described infrared acquisition camera lens receives the infrared ray that is monitored object radiation in the zone, and convert analog electrical signal to, described pretreater receives the analog electrical signal from described infrared acquisition camera lens, sending into described signal processor after the analog to digital conversion of described pretreater amplifies, obtain video data through the Video processing of described preprocessor again and deliver to described display and show output, described display removes and can also show the heat picture that can be used for exporting institute's perception and accept the interface that the user imports.Described CPU (central processing unit) also comprises arithmetic and control unit 8, and described arithmetic and control unit is connected with described signal processor, and interaction data, and described arithmetic and control unit is connected with a warning circuit 9.
Contain internal storage and comparator circuit in the described arithmetic and control unit; described internal storage can be used for store alarms threshold value, standard image data and procedural image data; described standard image data can comprise the initial thermal-induced imagery data that are monitored each equipment downtime state in the zone; described procedural image data can comprise the thermal-induced imagery data of the last compare cycle of actual measurement, and described alarm threshold value comprises absolute alarm threshold value and increment alarm threshold value.
Described alarm threshold value is and the equivalent value of the corresponding alarm temperature of warning electric signal that its numerical value can pass through input media 10 according to following combination any or multiple establishing method, sets as the keyboard in this example:
(1) unified alarm threshold value is set in whole viewing areas of described display;
(2) the whole viewing areas with described display are divided into a plurality of sub-viewing areas, serve as the artificial display unit of setting with described sub-viewing area, set alarm threshold value respectively at each described sub-viewing area;
(3) at a certain time interval for comparing step-length, set the increment alarm threshold value of adjacent two compare cycles, described increment alarm threshold value is meant the equivalent of the maximum allowable temperature variable quantity of adjacent two compare cycles, and described increment alarm threshold value is corresponding to the minimum display unit or the described sub-viewing area of described display.
Described comparator circuit can be used to judge whether the object that is monitored the zone reaches fire alarm standard or maintenance early warning standard, its benchmark relatively is the alarm threshold value of aforementioned artificial setting, because the alarm threshold value that sets may be a plurality of combination, the comparative approach that described comparator circuit is carried out is selected accordingly according to the alarm threshold value of setting, be specially following any or multiple combination, its comparative approach separately is:
(1) the minimum display unit with described display is a unit, by relatively finding out the highest minimum display unit of temperature, and the temperature equivalent of this minimum display unit is compared in real time with the described unified alarm threshold value that presets;
(2) be unit with described sub-viewing area, the equivalent of the medial temperature of each described sub-viewing area and the alarm threshold value that presets of described sub-viewing area are compared in real time;
(3) the comparison step-length with described increment alarm threshold value is a step-length, the thermal-induced imagery data of current thermal-induced imagery data and described last compare cycle are contrasted computing in real time, the two computing difference and described increment alarm threshold value are compared in real time, and described contrast computing is carried out at the minimum display unit or the described sub-viewing area of described display.
When being compared data value and having reached corresponding described alarm threshold value in any comparative approach, will send alerting signal to described warning circuit, and also send the minimum display unit of the described display that produces described alerting signal or the address of described sub-viewing area simultaneously, the location that is used for alarm region is for managerial personnel take measures to strive for the quality time as early as possible.
Thermal value is bigger in the equipment running process that has, the unavoidable local overheating that causes because of environment or faults itself, if untimely discovery also takes measures to cause probably big loss, therefore, the temperature limit that also can set the maintenance early warning is as alarm threshold value, when the absolute value of temperature or temperature rise reach the alarm threshold value of this maintenance early warning, send the alerting signal of another kind of form, be used to remind the maintenance management personnel in time to overhaul.
This infrared image detection alarm device also can be provided with the transmission interface 11 of image information, and transmission interface described in this example is a USB interface, can be connected with outside movable storage device.
Can also be in described infrared image detection alarm device integrated common CCD pick-up lens, described CCD pick-up lens is installed near described infrared acquisition camera lens, be used to present the visible light reflected image of monitoring area internal object thing, can help managerial personnel and maintenance personal to search alert locations.
The present invention utilizes the high more characteristic of high more its infrared intensity of object temperature, formation can reflect the image of object surface temperature distribution, temperature anomaly that can not only the perception object changes, and position and scope that can also the detecting temperature ANOMALOUS VARIATIONS help early stage pinpoint threat zone and report to the police.
The present invention is specially adapted to many electrical equipments such as computer center, command and control center, communication station and concentrates operation, and the occasion of very long heat-accumulating process of coal self is arranged before the environment that thermal value is big or similar this class fire of warehouse that is used to deposit easy spontaneous cargo take place.Above occasion is subjected to the influence of environment temperature, self running heating etc. easily and is subjected to the threat of fire.
Therefore this invention belongs to the passive type infrared detection device, not influenced by the ambient light light and shade, even also monitoring objective thing and target area have or not the generation of overheating in real time under condition is understood in the without a licence at night.
Claims (10)
1, a kind of infrared image detection alarm device, comprise the infrared acquisition camera lens, CPU (central processing unit) and display, it is characterized in that described CPU (central processing unit) comprises pretreater, signal processor, preprocessor and storer, described pretreater receives the analog electrical signal from described infrared acquisition camera lens, sending into described signal processor after the analog to digital conversion of described pretreater amplifies, obtaining video data through the Video processing of described preprocessor again delivers to described display and shows output, described CPU (central processing unit) also comprises arithmetic and control unit, described arithmetic and control unit is connected with described signal processor, and described arithmetic and control unit has one tunnel warning output to deliver to warning circuit.
2, infrared image detection alarm device according to claim 1, it is characterized in that containing in the described arithmetic and control unit internal storage and comparator circuit, described internal storage is used for store alarms threshold value, standard image data and procedural image data, described comparator circuit is used to judge whether the infrared thermal field of actual measurement reaches fire alarm standard or maintenance early warning standard, when being compared data value and having reached corresponding described alarm threshold value, will send alerting signal to described warning circuit.
3, infrared image detection alarm device according to claim 2; it is characterized in that described standard image data comprises the initial thermal-induced imagery data that are monitored each equipment downtime state in the zone; described procedural image data comprise the thermal-induced imagery data of the last compare cycle of actual measurement, and described alarm threshold value comprises absolute alarm threshold value and increment alarm threshold value.
4, infrared image detection alarm device according to claim 3 is characterized in that described alarm threshold value is the temperature equivalent value, specifically is set to following any or multiple combination, and its establishing method separately is:
(1) unified alarm threshold value is set in whole viewing areas of described display;
(2) the whole viewing areas with described display are divided into a plurality of sub-viewing areas, serve as the artificial display unit of setting with described sub-viewing area, set alarm threshold value respectively at each described sub-viewing area;
(3) at a certain time interval for comparing step-length, set the increment alarm threshold value of adjacent two compare cycles, described increment alarm threshold value is meant the equivalent of the maximum allowable temperature variable quantity of adjacent two compare cycles, and described increment alarm threshold value is corresponding to the minimum display unit or the described sub-viewing area of described display.
5, infrared image detection alarm device according to claim 4, the comparative approach that it is characterized in that described comparator circuit execution is set accordingly according to described alarm threshold value, be specially following any or multiple combination, its comparative approach separately is:
(1) the minimum display unit with described display is a unit, by relatively finding out the highest minimum display unit of temperature, and the temperature equivalent of this minimum display unit is compared in real time with the described unified alarm threshold value that presets;
(2) be unit with described sub-viewing area, the equivalent of the medial temperature of each described sub-viewing area and the alarm threshold value that presets of described sub-viewing area are compared in real time;
(3) the comparison step-length with described increment alarm threshold value is a step-length, the thermal-induced imagery data of current thermal-induced imagery data and described last compare cycle are contrasted computing in real time, the two computing difference and described increment alarm threshold value are compared in real time, and described contrast computing is carried out at the minimum display unit or the described sub-viewing area of described display.
6, infrared image detection alarm device according to claim 5 also sends the minimum display unit of the described display that produces described alerting signal or the address of described sub-viewing area when it is characterized in that sending described alerting signal.
7, infrared image detection alarm device according to claim 6 is characterized in that described display is used to export infrared thermal imagery and user's setting operation interface.
8, infrared image detection alarm device according to claim 7 is characterized in that also being provided with input media, and described input media is a keyboard.
9, infrared image detection alarm device according to claim 8 is characterized in that also being provided with the transmission interface of image information, and described transmission interface is connected with outside movable storage device.
10, infrared image detection alarm device according to claim 9 is characterized in that also being provided with integrated CCD pick-up lens, and described CCD pick-up lens is installed near described infrared acquisition camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085280A CN101661658A (en) | 2009-05-27 | 2009-05-27 | Infrared image detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085280A CN101661658A (en) | 2009-05-27 | 2009-05-27 | Infrared image detection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101661658A true CN101661658A (en) | 2010-03-03 |
Family
ID=41789653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910085280A Pending CN101661658A (en) | 2009-05-27 | 2009-05-27 | Infrared image detection alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101661658A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542722A (en) * | 2012-01-05 | 2012-07-04 | 福建国化热像监控设备有限公司 | Infrared thermal imaging online monitoring method and system of petrochemical selective key equipment |
| CN103775830A (en) * | 2014-01-20 | 2014-05-07 | 武汉第二船舶设计研究所 | High-temperature stream leakage detection positioning system and high-temperature stream leakage detection positioning method |
| CN103971473A (en) * | 2013-02-05 | 2014-08-06 | 叶志锋 | Signal comparison control unit and burglar alarm unit and the invisible electronic fence which are formed by same |
| CN105096514A (en) * | 2015-07-31 | 2015-11-25 | 天津职业技术师范大学 | Intelligent fire hazard alarm method of temperature process monitoring based on infrared shooting |
| CN106056832A (en) * | 2016-08-09 | 2016-10-26 | 上海腾盛智能安全科技股份有限公司 | Alarm system based on image-type fire detector |
| CN106919806A (en) * | 2017-04-27 | 2017-07-04 | 刘斌 | A kind of human body monitoring method, device and system and computer readable storage devices |
| CN107572327A (en) * | 2016-07-05 | 2018-01-12 | 株式会社日立大厦系统 | Maintenance activity managing device and maintenance activity management system |
| CN108082215A (en) * | 2016-11-23 | 2018-05-29 | 比亚迪股份有限公司 | Track traffic method for safety monitoring and monitoring system and track train |
| CN108831090A (en) * | 2018-06-25 | 2018-11-16 | 南京精益安防系统科技有限公司 | A kind of fire early warning system and its control method |
| CN110648489A (en) * | 2019-09-11 | 2020-01-03 | 国网山东省电力公司 | Storehouse early warning system based on infrared thermal imaging ignition point identification |
| CN112384772A (en) * | 2017-12-21 | 2021-02-19 | Abb瑞士股份有限公司 | Thermal imaging inspection of electrical equipment |
| CN113219364A (en) * | 2021-05-12 | 2021-08-06 | 常州易控汽车电子股份有限公司 | Power supply short circuit positioning mechanism |
| CN114419830A (en) * | 2022-01-26 | 2022-04-29 | 江苏南工科技集团有限公司 | Pyrolysis particle fire detection early warning method based on weight algorithm technology |
-
2009
- 2009-05-27 CN CN200910085280A patent/CN101661658A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542722A (en) * | 2012-01-05 | 2012-07-04 | 福建国化热像监控设备有限公司 | Infrared thermal imaging online monitoring method and system of petrochemical selective key equipment |
| CN103971473B (en) * | 2013-02-05 | 2017-04-05 | 叶志锋 | Signal compares the anti-theft alarm unit and invisible electric fence of control unit and its composition |
| CN103971473A (en) * | 2013-02-05 | 2014-08-06 | 叶志锋 | Signal comparison control unit and burglar alarm unit and the invisible electronic fence which are formed by same |
| WO2014121627A1 (en) * | 2013-02-05 | 2014-08-14 | 上海联腾通讯科技有限公司 | Signal comparison control unit, anti-theft alarm unit composed thereby, and invisible electronic fence |
| CN103775830A (en) * | 2014-01-20 | 2014-05-07 | 武汉第二船舶设计研究所 | High-temperature stream leakage detection positioning system and high-temperature stream leakage detection positioning method |
| CN103775830B (en) * | 2014-01-20 | 2016-03-23 | 武汉第二船舶设计研究所 | A kind of high-temperature steam Leak Detection and Location System and method |
| CN105096514B (en) * | 2015-07-31 | 2017-05-10 | 天津职业技术师范大学 | Intelligent fire hazard alarm method of temperature process monitoring based on infrared shooting |
| CN105096514A (en) * | 2015-07-31 | 2015-11-25 | 天津职业技术师范大学 | Intelligent fire hazard alarm method of temperature process monitoring based on infrared shooting |
| CN107572327A (en) * | 2016-07-05 | 2018-01-12 | 株式会社日立大厦系统 | Maintenance activity managing device and maintenance activity management system |
| CN106056832A (en) * | 2016-08-09 | 2016-10-26 | 上海腾盛智能安全科技股份有限公司 | Alarm system based on image-type fire detector |
| CN108082215A (en) * | 2016-11-23 | 2018-05-29 | 比亚迪股份有限公司 | Track traffic method for safety monitoring and monitoring system and track train |
| CN106919806A (en) * | 2017-04-27 | 2017-07-04 | 刘斌 | A kind of human body monitoring method, device and system and computer readable storage devices |
| CN112384772A (en) * | 2017-12-21 | 2021-02-19 | Abb瑞士股份有限公司 | Thermal imaging inspection of electrical equipment |
| CN108831090A (en) * | 2018-06-25 | 2018-11-16 | 南京精益安防系统科技有限公司 | A kind of fire early warning system and its control method |
| CN110648489A (en) * | 2019-09-11 | 2020-01-03 | 国网山东省电力公司 | Storehouse early warning system based on infrared thermal imaging ignition point identification |
| CN113219364A (en) * | 2021-05-12 | 2021-08-06 | 常州易控汽车电子股份有限公司 | Power supply short circuit positioning mechanism |
| CN114419830A (en) * | 2022-01-26 | 2022-04-29 | 江苏南工科技集团有限公司 | Pyrolysis particle fire detection early warning method based on weight algorithm technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101661658A (en) | Infrared image detection alarm device | |
| CN201897853U (en) | Monitor device with overtemperature alarm function | |
| CN203337262U (en) | On-line imaging temperature measurement and detection system based on infrared technology | |
| EP0318039B1 (en) | An emergency watching system using an infrared image processing | |
| CN105279878A (en) | Wireless video anti-burglary automatic alarm system and method thereof | |
| CN110648489B (en) | Storehouse early warning system based on infrared thermal imaging ignition point identification | |
| US20050111696A1 (en) | Imaging surveillance system and method for event detection in low illumination | |
| CN102176270A (en) | Safety monitoring and fire alarming integrated system and method | |
| CN201897856U (en) | Safety monitoring and fire hazard early-warning integrated system | |
| KR102063458B1 (en) | Wireless security system for prevention | |
| CN205193974U (en) | Wireless video theftproof automatic alarm system | |
| KR101637989B1 (en) | Method and apparatus for performing high resolution thermal image based fire surveillance through integration of sensors and thermovision camera | |
| CN101699531A (en) | Infrared correlation identification alarm system and identification method thereof | |
| CN106131502B (en) | Video monitoring method and device for pipe gallery tunnel | |
| CN105551178A (en) | Power grid intelligent monitoring alarm method and device | |
| CN210466658U (en) | Intelligent building safety monitoring information system | |
| CN201689513U (en) | Image type fire detector | |
| KR102497380B1 (en) | Smart system for power supply distribution and the method using it | |
| CN102592406A (en) | Fire process real-time reporting system and method | |
| CN109377696A (en) | A kind of anti-external force destruction automatic warning device of electric transmission line channel | |
| CN206905909U (en) | Thermal imaging detection system | |
| JP2791229B2 (en) | Equipment monitoring system | |
| CN110967117B (en) | Thermal imaging early warning system for power transmission line | |
| CN208383313U (en) | A kind of system of high voltage nodes temperature detection | |
| CN106530565A (en) | Security protection alarm system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100303 |