CN216283970U - Three-infrared-band fast false alarm prevention flame detector - Google Patents
Three-infrared-band fast false alarm prevention flame detector Download PDFInfo
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- CN216283970U CN216283970U CN202122767996.7U CN202122767996U CN216283970U CN 216283970 U CN216283970 U CN 216283970U CN 202122767996 U CN202122767996 U CN 202122767996U CN 216283970 U CN216283970 U CN 216283970U
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Abstract
The utility model discloses a three-infrared band fast false alarm prevention flame detector, which comprises: the display cover is arranged on the front side face of the outer shell, an electronic display screen and an indicator lamp are arranged above the display cover, the electronic display screen and the indicator lamp are symmetrically arranged on two sides below the electronic display screen, the flame infrared sensor is arranged on the inner side of the indicator lamp, the flame infrared sensor interferes with the infrared sensor, the flame infrared sensor is connected below the flame infrared sensor, and the human infrared sensor is arranged below the flame infrared sensor. This three infrared band prevent wrong report flame detector fast, detector overall structure seals closely, can effectively reach waterproof dirt-proof function, thereby effectively adapt to mill's processing environment, and the device has integrated infrared flame sensor, can gather and discern multiple infrared signal, thereby improved flame discernment's the degree of accuracy and sensitivity, and carry out analysis and shielding to the artifical infrared interference source in the natural environment, so that effectively promote flame detector's warning rate of accuracy.
Description
Technical Field
The utility model relates to the technical field of flame detection, in particular to a three-infrared-band rapid false alarm prevention flame detector.
Background
The flame detector is used for detecting heat and smoke generated when substances are combusted, has the function of warning when a fire disaster occurs, mainly comprises an infrared detector, and receives infrared spectrum generated by flame by using an infrared sensor in the detector so as to perform alarm processing.
Present infrared flame detector is mostly the infrared spectrum is received to the minizone wave band, although can reduce the detector cost, but detectivity is not high, and to in the storehouse, the infrared interference signal of multiple human body under natural environment such as mill can't reach effective shielding, consequently, the misstatement rate that leads to present infrared flame detector is higher, and there are more artificial heat source and artificial light source in industrial environment such as factory building, thereby make the flame detection wave band that disturbs electromagnetic wave radiation signal can cover single wave band infrared flame detector, and then the service quality and the efficiency of current flame detector have been reduced, be unfavorable for promoting the security of mill's production, to the above-mentioned problem, the urgent need is to carry out the innovative design on original flame detector's basis.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-infrared-band fast false alarm prevention flame detector, which aims to solve the problems that the currently used flame detector in the background art is low in sensitivity of an infrared sensor, infrared interference signals such as artificial heat sources in natural environment cannot be effectively shielded, and the false alarm probability of the flame detector is increased.
In order to achieve the purpose, the utility model provides the following technical scheme: a three infrared band fast false alarm prevention flame detector comprises:
the display cover is arranged on the front side surface of the outer shell, and an electronic display screen is arranged above the display cover;
the indicating lamps are symmetrically arranged on two sides below the electronic display screen, and flame infrared sensors are arranged on the inner sides of the indicating lamps;
and the interference infrared sensor is connected below the flame infrared sensor, and the human body infrared sensor is installed below the interference infrared sensor.
The setting up of above-mentioned structure makes the overall structure of device more seal firm to can reach the standard of effective dustproof and waterproof's adaptation factory environment, thereby stabilize hoisting device's life and quality, and possess simultaneously and receive the ability of analysis to multiple infrared signal among the natural environment, thereby promote flame detector's warning rate of accuracy greatly, effectively reduced the wrong report probability.
Preferably, the shell body is the cylindric structure of plastics material, and the shell body passes through the screw thread with the demonstration lid and constitutes closed structure to show lid and electronic display screen constitution integral structure, the setting up of above-mentioned structure makes the overall structure of device more seal unified, can effectively avoid the flame detector to receive the erosion problem of rainwater or dust in the environment of mill, and effectively reduced the volume of detector, be convenient for install and use.
Preferably, the pilot lamp is provided with 6 about showing lid centrosymmetric, and the pilot lamp respectively with flame infrared sensor, disturb infrared sensor and human infrared sensor and constitute the serial structure, and flame infrared sensor, disturb infrared sensor and human infrared sensor and be vertical arrangement structure on showing the lid, pilot lamp rear side still establishes ties simultaneously and is provided with the microprocessing circuit board, the setting up of above-mentioned structure makes the device can convenient and fast's receipt and analysis result of display detector to different infrared heat source spectrums, thereby the workman of being convenient for judges the operating condition of detector.
Preferably, the microprocessor circuit board below is still established ties and is provided with the pilot lamp circuit board, and still is provided with the dial switch circuit board on the microprocessor circuit board to dial switch circuit board rear side still is provided with first infrared pyroelectric sensor, and the setting up of above-mentioned structure makes the device can convenient efficient carry out the light explanation to surveying the structure to promote flame detector's availability factor.
Preferably, first infrared pyroelectric sensor rear side still distributes in proper order and is provided with second infrared pyroelectric sensor and third infrared pyroelectric sensor, and first infrared pyroelectric sensor and flame infrared sensor series connection, and second infrared pyroelectric sensor and interference infrared sensor series connection, third infrared pyroelectric sensor and human infrared sensor series connection simultaneously, the setting up of above-mentioned structure makes the device can effectively carry out the analysis to multiple artifical heat source in the natural environment, can carry out the filtering and carry out the analysis to the interference light source through three infrared band, thereby distinguish the infrared band who satisfies the flame characteristic condition, thereby more accurate efficient output alarm signal.
Preferably, the third infrared pyroelectric sensor rear side still is provided with the control panel in series, and still is provided with the power strip on the control panel, and the structure that sets up of above-mentioned structure makes the device is more firm, can make the device have that reaction rate is fast, the reliability is high, the function is perfect, the function that has useful promotion public safety.
Compared with the prior art, the utility model has the following beneficial effects:
1. the flame detector capable of preventing false alarm rapidly in three infrared bands is provided with a display cover, an electronic display screen, an indicator lamp, a flame infrared sensor, an interference infrared sensor and a human body infrared sensor, the working state of the detector is synchronously displayed through the electronic display screen and the indicator lamp on the display cover, and the principle that the flame infrared sensor, the interference infrared sensor and the human body infrared sensor carry out multiband infrared heat source receiving analysis is utilized, so that the purposes that the device can conveniently lift the device to distinguish an artificial heat source and expand the infrared spectrum band analysis range of the device are achieved;
2. this three infrared band's quick mistake proofing report flame detector, be provided with the microprocessor circuit board, the pilot lamp circuit board, first infrared pyroelectric sensor, second infrared pyroelectric sensor and third infrared pyroelectric sensor's structure, control the pilot lamp through microprocessor circuit board and pilot lamp circuit board, and utilize first infrared pyroelectric sensor, second infrared pyroelectric sensor and third infrared pyroelectric sensor are respectively to flame infrared sensor, disturb infrared sensor and human infrared sensor and receive infrared signal and carry out the principle that analysis is enlargied, the realization device can be convenient for show detector operating condition, and can effectively promote the function of the mistake proofing report ability of device.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the outer casing of the present invention;
FIG. 3 is a schematic perspective view of a display cover according to the present invention;
FIG. 4 is a perspective view of the fixing bracket of the present invention;
fig. 5 is a schematic perspective view of the flame infrared sensor according to the present invention.
In the figure: 1. an outer housing; 2. fixing a bracket; 3. a display cover; 4. an electronic display screen; 5. an indicator light; 6. a flame infrared sensor; 7. an interfering infrared sensor; 8. a human body infrared sensor; 9. a micro-processing circuit board; 10. an indicator light circuit board; 11. a dial switch circuit board; 12. a first infrared pyroelectric sensor; 13. a second pyroelectric infrared sensor; 14. a third pyroelectric infrared sensor; 15. a control panel; 16. a power panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a three infrared band fast false alarm prevention flame detector comprises: the display cover 3 is arranged on the front side face of the outer shell 1, an electronic display screen 4 and indicator lamps 5 are symmetrically arranged on two sides below the electronic display screen 4, flame infrared sensors 6 and interference infrared sensors 7 are arranged on the inner sides of the indicator lamps 5 and connected below the flame infrared sensors 6, and a human body infrared sensor 8 is arranged below the indicator lamps;
when using the device, at first install the detector of shell body 1 in the industry factory building to keep opening the running state of device, screw thread zonulae occludens is at this moment and is being shown lid 3 on shell body 1, receives the infrared signal of different wave band scopes through flame infrared sensor 6, interference infrared sensor 7 and human infrared sensor 8 and carries out the analysis, and utilize electronic display screen 4 and pilot lamp 5 to show the infrared wave band structure that will analyze out.
When the detector is installed and used, specifically, as shown in fig. 1 and 4, the outer shell 1 is a cylindrical structure made of plastic, the outer shell 1 and the display cover 3 form a closed structure through threads, and the display cover 3 and the electronic display screen 4 form an integrated structure, and the detector is installed in a factory environment in a complex environment and kept in a closed state by tightly connecting the outer shell 1 and the display cover 3 through the threads, so that internal detection elements are effectively protected from being corroded by external rainwater and dust, and the service life of the device is effectively prolonged;
when the device is used in daily life, specifically, as shown in fig. 3 and 5, a second infrared pyroelectric sensor 13 and a third infrared pyroelectric sensor 14 are sequentially distributed on the rear side of a first infrared pyroelectric sensor 12, the first infrared pyroelectric sensor 12 is connected in series with a flame infrared sensor 6, the second infrared pyroelectric sensor 13 is connected in series with an interference infrared sensor 7, and the third infrared pyroelectric sensor 14 is connected in series with a human body infrared sensor 8, wherein the first infrared pyroelectric sensor 12 of 4.4uM is used as a main detection unit, and mainly detects the size of an infrared radiation signal excited by carbon dioxide in the combustion process of a carbon-containing substance, namely a flame signal; the second infrared pyroelectric sensor 13 with the wavelength of 3.8uM is mainly used for eliminating the infrared radiation interference of a high-temperature object to the flame detector, such as the outer surface of a boiler; the third 10.0uM infrared pyroelectric sensor 14 is mainly used for eliminating the infrared radiation interference of low-temperature objects to the infrared flame detector, such as human body infrared radiation, and the like, two paths of 3.8uM infrared reference wavelengths and 10.0uM infrared reference wavelengths are introduced, so that the alarm accuracy of the detector can be greatly improved, then the first infrared pyroelectric sensor 12, the second infrared pyroelectric sensor 13 and the third infrared pyroelectric sensor 14 respectively acquire the output signals of the flame infrared sensor 6, the interference infrared sensor 7 and the human body infrared sensor 8, and respectively calculate the average power of the output signals of the corresponding infrared sensors, if the average power of the output signals of the flame infrared sensor 6 is more than 2 times of the average power of the output signals of the anti-interference reference infrared sensing module and the alarm times are met, the existence of flame is judged, and the alarm module is controlled to alarm, a control board 15 is also arranged in series at the rear side of the third infrared pyroelectric sensor 14, a power board 16 is also arranged on the control board 15, and a multistage filter circuit used by an infrared sensor power supply circuit reduces the power supply interference of the sensor to the minimum, thereby effectively reducing the false alarm rate;
when the detector receives and analyzes multiband infrared signals, specifically, as shown in fig. 2 and fig. 3, an indicator lamp circuit board 10 is further arranged below the micro-processing circuit board 9 in series, a dial switch circuit board 11 is further arranged on the micro-processing circuit board 9, a first infrared pyroelectric sensor 12 is further arranged on the rear side of the dial switch circuit board 11, when the first infrared pyroelectric sensor 12, a second infrared pyroelectric sensor 13 and a third infrared pyroelectric sensor 14 respectively analyze corresponding infrared bands of the flame infrared sensor 6, the interference infrared sensor 7 and the human body infrared sensor 8, the micro-processing circuit board 9 turns on the corresponding indicator lamp 5 and flickers, 6 indicator lamps 5 are symmetrically arranged with respect to the center of the display cover 3, and the indicator lamps 5 respectively form a series structure with the flame infrared sensor 6, the interference infrared sensor 7 and the human body infrared sensor 8, and flame infrared sensor 6, interference infrared sensor 7 and human infrared sensor 8 are vertical arrangement structure on showing lid 3, and the while pilot lamp 5 rear side still connects in series and is provided with microprocessor circuit board 9, therefore the workman can judge whether safe through the scintillation pilot lamp 5 that corresponds at flame infrared sensor 6, interference infrared sensor 7 and the different positions of human infrared sensor 8.
The working principle is as follows: when the device is used, according to the figures 1-5, firstly, the outer shell 1 is installed in a factory through the fixed support 2, after the device is started, the window of the glass plate at the front side of the display cover 3 is used for receiving external multiband infrared signals of the flame infrared sensor 6, the interference infrared sensor 7 and the human body infrared sensor 8, and the signals are correspondingly received into the first infrared pyroelectric sensor 12, the second infrared pyroelectric sensor 13 and the third infrared pyroelectric sensor 14 for analysis and judgment, so as to judge whether the received infrared signals reach the flame standard, and then the micro-processing circuit board 9 and the indicator light circuit board 10 are used for displaying the electronic display screen 4 and the indicator light 5, so that after the flame waveband infrared spectrum is received, the dial switch circuit board 11, the control board 15 and the power board 16 are used for switching on the alarm and carrying out alarm processing, the working principle of the three-infrared-band fast false alarm prevention flame detector is that the three-infrared-band fast false alarm prevention flame detector works.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A three-infrared-band flame detector capable of rapidly preventing false alarm is composed of an outer shell and a fixed support, wherein the fixed support is arranged on the rear side of the top of the outer shell;
it is characterized by comprising:
the display cover is arranged on the front side surface of the outer shell, and an electronic display screen is arranged above the display cover;
the indicating lamps are symmetrically arranged on two sides below the electronic display screen, and flame infrared sensors are arranged on the inner sides of the indicating lamps;
and the interference infrared sensor is connected below the flame infrared sensor, and the human body infrared sensor is installed below the interference infrared sensor.
2. The three-infrared-band fast false alarm-proof flame detector of claim 1, wherein: the shell body is of a cylindrical structure made of plastic materials, the shell body and the display cover form a closed structure through threads, and the display cover and the electronic display screen form an integrated structure.
3. The three-infrared-band fast false alarm-proof flame detector of claim 1, wherein: the pilot lamp is provided with 6 about showing lid central symmetry, and the pilot lamp constitutes the series structure with flame infrared sensor, interference infrared sensor and human infrared sensor respectively to flame infrared sensor, interference infrared sensor and human infrared sensor are vertical arrangement structure on showing the lid, and pilot lamp rear side still establishes ties simultaneously and is provided with the microprocessor circuit board.
4. The three-infrared-band fast false alarm-proof flame detector according to claim 3, characterized in that: an indicator lamp circuit board is further arranged below the micro-processing circuit board in series, a dial switch circuit board is further arranged on the micro-processing circuit board, and a first infrared pyroelectric sensor is further arranged on the rear side of the dial switch circuit board.
5. The three-infrared-band fast false alarm-proof flame detector according to claim 4, characterized in that: the rear side of the first infrared pyroelectric sensor is sequentially provided with a second infrared pyroelectric sensor and a third infrared pyroelectric sensor in a distributed mode, the first infrared pyroelectric sensor is connected with the flame infrared sensor in series, the second infrared pyroelectric sensor is connected with the interference infrared sensor in series, and meanwhile the third infrared pyroelectric sensor is connected with the human body infrared sensor in series.
6. The three-infrared-band fast false alarm-proof flame detector of claim 5, wherein: the rear side of the third infrared pyroelectric sensor is also provided with a control panel in series, and the control panel is also provided with a power panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122767996.7U CN216283970U (en) | 2021-11-12 | 2021-11-12 | Three-infrared-band fast false alarm prevention flame detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122767996.7U CN216283970U (en) | 2021-11-12 | 2021-11-12 | Three-infrared-band fast false alarm prevention flame detector |
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| CN216283970U true CN216283970U (en) | 2022-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115294715A (en) * | 2022-07-29 | 2022-11-04 | 浙江华消科技有限公司 | Flame identification method and device |
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- 2021-11-12 CN CN202122767996.7U patent/CN216283970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115294715A (en) * | 2022-07-29 | 2022-11-04 | 浙江华消科技有限公司 | Flame identification method and device |
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Effective date of registration: 20231117 Address after: 2nd Floor, Unit 3, Building 8, Zhongwu Zhizao Port, Tianji Road, High tech Zone, Jinan City, Shandong Province, 250013 Patentee after: Shandong Lanyu Environmental Protection Instrument Co.,Ltd. Address before: 250000 unit 3, building 8, zhongeurope zhizaogang, Tianji Road, high tech Zone, Jinan, Shandong Province Patentee before: SHANDONG DUORUI ELECTRONIC TECHNOLOGY CO.,LTD. |
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