CN219800257U - Point type infrared flame detector - Google Patents
Point type infrared flame detector Download PDFInfo
- Publication number
- CN219800257U CN219800257U CN202321011002.1U CN202321011002U CN219800257U CN 219800257 U CN219800257 U CN 219800257U CN 202321011002 U CN202321011002 U CN 202321011002U CN 219800257 U CN219800257 U CN 219800257U
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- base
- circuit board
- flame detector
- sensor
- window
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- 238000004891 communication Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model discloses a point-type infrared flame detector, and relates to the technical field of fire-fighting equipment. The detector comprises a front cover, a sensor, a circuit board, a threading hole, a base, a rear cover and a window, wherein the front cover, the base and the rear cover form a shell of the detector, the front cover and the rear cover are respectively connected with the front part and the rear part of the base in a threaded mode, the circuit board is arranged in the shell, the sensor with three wave bands is arranged on the circuit board, the threading hole is formed in the side face of the base, and the window for protection is arranged on the front cover. The utility model can well remove the interference source, improve the accuracy of fire alarm, reduce the false alarm rate and has wide application prospect.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a point-type infrared flame detector.
Background
A spot infrared flame detector is a device for detecting a flame that is capable of detecting infrared radiation emitted by the flame. When the infrared radiation emitted by the flame is detected by the detector, the emitter emits a signal, and after the receiver receives the signal, the controller sends the signal to corresponding equipment so as to remind people of the fire. However, the existing infrared flame detector cannot well remove various interference light sources in the environment, especially sunlight, and in addition, the infrared wavelength emitted by the infrared flame detector is the same as that of an electric furnace and the like, so that the false alarm rate of the detector is higher and the alarm accuracy is lower. Based on the above, it is necessary to design a novel point-type infrared flame detector.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the point-type infrared flame detector which is simple in structure, reasonable in design, capable of well eliminating interference sources, improving the accuracy of fire alarm, reducing the false alarm rate, practical, reliable and easy to popularize and use.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a point type infrared flame detector, includes protecgulum, sensor, circuit board, through wires hole, base, back lid and window, protecgulum, base, back lid have constituteed the casing of detector, protecgulum, back lid threaded connection respectively at the front portion of base, rear portion, casing internally mounted has the circuit board, is provided with the sensor of three wave band on the circuit board, the side of base seted up the through wires hole, the protecgulum on be provided with the window that the protection was used.
Preferably, the sensor is an infrared light collecting sensor for collecting infrared light with a fixed wavelength.
Preferably, the threading hole is used for threading cables such as a power line and a communication line, and the power line and the communication line are connected with the internal circuit board.
Preferably, the front cover and the rear cover are made of die-casting aluminum cover bodies, and the front cover is waterproof, dustproof and transparent and protects internal devices; the rear cover protects the internal components and is waterproof and dustproof.
Preferably, the window adopts a quartz glass window body, can transmit infrared light, protects internal devices, and is waterproof and dustproof.
The utility model has the beneficial effects that: the device can well remove various interference sources, greatly improves the accuracy of fire alarms, reduces the false alarm rate and has wide application prospect.
Drawings
The utility model is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a top view of fig. 1.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1-2, the present embodiment adopts the following technical scheme: the utility model provides a point type infrared flame detector, includes protecgulum 1, sensor 2, circuit board 3, through wires hole 4, base 5, back lid 6 and window 7, protecgulum 1, base 5, back lid 6 have constituteed the casing of detector, fix the mounted position on the support with the detector through base 5, protecgulum 1, back lid 6 threaded connection respectively in the front portion, the rear portion of base 5, casing internally mounted has circuit board 3, is provided with sensor 2 of three wave band on the circuit board 3, sensor 2 adopts infrared light to gather the sensor, the side of base 5 seted up through wires hole 4, protecgulum 1 on be provided with window 7 that the protection was used.
It should be noted that the threading hole 4 is used as a threading path for threading a cable such as a power line and a communication line, and the power line and the communication line are connected with the internal circuit board 3.
In addition, the front cover 1 and the rear cover 6 are both made of die-casting aluminum covers, and the window 7 embedded in the front cover 1 is made of quartz glass, so that infrared light can be transmitted, internal devices are protected, and the front cover is waterproof and dustproof; the rear cover 6 protects the internal components and is waterproof and dustproof.
The specific implementation mode adopts three wave band sensors, collects fixed wavelength infrared light, one sensor works at the central wavelength reflecting flame information, the other two sensors monitor other infrared radiation in the environment, the circuit board 3 serves as an infrared light signal analysis processing unit, spectrum analysis is carried out on the collected infrared light, the infrared signal analysis of the fixed wavelength is combined with the flickering characteristic of flame, operation analysis is carried out by combining a microprocessor and a mathematical algorithm model, and true and false fire conditions are judged, so that only the radiation spectrum conforming to the flame characteristic can be confirmed as fire alarm, false fire alarm signals formed by other interference factors can be eliminated, and when the fire conditions exist, the true fire alarm signals are transmitted.
The specific embodiment adopts a multiband analysis mode, so that the accuracy of fire alarms is greatly improved, meanwhile, due to multiband spectrum analysis, various interference light sources in the environment can be well eliminated, in addition, the false fire of the same-wavelength heat source in the environment can be accurately judged, the false alarm rate is reduced, and the method has wide market application prospect.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a point type infrared flame detector, its characterized in that, including protecgulum (1), sensor (2), circuit board (3), through wires hole (4), base (5), back lid (6) and window (7), protecgulum (1), base (5), back lid (6) have constituteed the casing of detector, protecgulum (1), back lid (6) threaded connection respectively in the front portion, the rear portion of base (5), casing internally mounted has circuit board (3), is provided with sensor (2) of three wave band on circuit board (3), the side of base (5) seted up through wires hole (4), protecgulum (1) on be provided with window (7) of protection usefulness.
2. A spot infrared flame detector as claimed in claim 1, characterized in that the sensor (2) is an infrared light acquisition sensor.
3. The spot infrared flame detector as claimed in claim 1, wherein the threading hole (4) is connected with a power line and a communication line in a threading manner, and the power line and the communication line are connected with the internal circuit board (3).
4. The spot infrared flame detector as claimed in claim 1, wherein the front cover (1) and the rear cover (6) are both made of die-cast aluminum.
5. A spot infrared flame detector as claimed in claim 1, characterized in that the window (7) is a quartz glass window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011002.1U CN219800257U (en) | 2023-04-28 | 2023-04-28 | Point type infrared flame detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011002.1U CN219800257U (en) | 2023-04-28 | 2023-04-28 | Point type infrared flame detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800257U true CN219800257U (en) | 2023-10-03 |
Family
ID=88187411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321011002.1U Active CN219800257U (en) | 2023-04-28 | 2023-04-28 | Point type infrared flame detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800257U (en) |
-
2023
- 2023-04-28 CN CN202321011002.1U patent/CN219800257U/en active Active
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