CN210836479U - Protective infrared detector for fire alarm - Google Patents
Protective infrared detector for fire alarm Download PDFInfo
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- CN210836479U CN210836479U CN202020048385.XU CN202020048385U CN210836479U CN 210836479 U CN210836479 U CN 210836479U CN 202020048385 U CN202020048385 U CN 202020048385U CN 210836479 U CN210836479 U CN 210836479U
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- infrared detector
- protective shell
- shell
- detector body
- infrared
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Abstract
The utility model belongs to the technical field of detection equipment, and particularly discloses a protective infrared detector for fire alarm, which comprises a mounting substrate, a protective shell and a breathable interlayer; fixing the end face with the fixed patch on the mounting substrate on a horizontal mounting plane, arranging an expansion screw in the mounting hole, and mounting and fixing the mounting substrate; detect the heat source temperature variation in the environment that infrared detector body is located through the infrared induction principle, judge whether there is the conflagration risk, when the conflagration takes place, signal processor control solenoid electric valve is opened, and the coolant liquid flows out in the coolant liquid storage tank automatically, through leading the liquid pipeline direction cooling intracavity, prevents that the inside infrared detector body of inlayer heat conduction casing from being heated the damage, and the smog dust etc. in the adsorbable air of active carbon granule prevents infrared detector body damage simultaneously.
Description
Technical Field
The utility model relates to a detection equipment technical field specifically is a protection type infrared detector for fire alarm.
Background
An infrared detector is a device that converts an incident infrared radiation signal into an electrical signal for output. Infrared radiation is electromagnetic waves with wavelengths between visible and microwave, and is imperceptible to the human eye. To detect the presence of such radiation and measure its intensity, it must be converted into other physical quantities that can be detected and measured. In general, any effect caused by infrared radiation illuminating an object can be used to measure the intensity of the infrared radiation, provided that the effect is measurable and sensitive enough. The infrared thermal effect and the photoelectric effect are mainly utilized by the modern infrared detector.
The existing fire detectors mostly adopt a smoke sensing type, the detection equipment is not sensitive enough in reaction, once the smoke value is detected to exceed a set value, the general fire trend is larger, at the moment, the alarm is given, the difficulty of personnel escape and firefighter rescue is increased, so that the infrared detectors can be adopted for fire detection, but the existing infrared detectors are not strong in protection performance, and once a fire occurs, the infrared detectors are damaged after the fire situation spreads.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection type infrared detector for fire alarm to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a protective infrared detector for fire alarm comprises a mounting substrate, a protective shell and a breathable interlayer; a fixing patch is arranged on one end face of the mounting substrate, and a mounting hole is formed in the side edge of the fixing patch; an installation caulking groove is formed in the other end face of the installation substrate, and a protection shell is fixed in the installation caulking groove; the protective shell comprises an inner heat-conducting shell and an outer heat-insulating shell, and the inner heat-conducting shell and the outer heat-insulating shell form a cooling cavity; the two sides of the outer heat-insulating shell are provided with access ports, the access ports are connected with liquid guide pipelines, the tail ends of the liquid guide pipelines are connected to a cooling liquid storage tank, and the cooling liquid storage tank is fixed on the mounting substrate; an installation opening is formed in the center of the protective shell, a breathable interlayer is arranged at the installation opening, and activated carbon particles are filled in the breathable interlayer; the protection casing internally mounted has the infrared detector body, is provided with test probe on the infrared detector body, and test probe fixes at the erection opening department.
Preferably, the protective shell is of a semicircular structure, an installation opening is formed in the center of the outer convex end face of the protective shell, a sealing ring is arranged on the inner side of the installation opening, and the sealing ring and the outer end face of the protective shell are integrally formed.
Preferably, the infrared detector body is fixed in the installation caulking groove, and the infrared detector body includes infra-red transmitter, infrared receiver and signal processor, and infra-red transmitter and infrared receiver set up on detecting the probe, infra-red transmitter and infrared receiver electric connection to signal processor.
Preferably, an electromagnetic control valve is arranged on the liquid guide pipeline and electrically connected to the signal processor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and high protection, and is suitable for fire detection; fixing the end face with the fixed patch on the mounting substrate on a horizontal mounting plane, arranging an expansion screw in the mounting hole, and mounting and fixing the mounting substrate; detect the heat source temperature variation in the environment that infrared detector body is located through the infrared induction principle, judge whether there is the conflagration risk, when the conflagration takes place, signal processor control solenoid electric valve is opened, and the coolant liquid flows out in the coolant liquid storage tank automatically, through leading the liquid pipeline direction cooling intracavity, prevents that the inside infrared detector body of inlayer heat conduction casing from being heated the damage, and the smog dust etc. in the adsorbable air of active carbon granule prevents infrared detector body damage simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a mounting substrate; 2. fixing the patch; 3. mounting holes; 4. a protective housing; 41. an inner thermally conductive shell; 42. an outer thermally insulating shell; 43. a cooling chamber; 44. an access port; 5. a liquid guiding pipeline; 6. a coolant storage tank; 7. an installation opening; 8. a breathable interlayer; 9. activated carbon particles; 10. an infrared detector body; 11. and (6) detecting the probe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a protective infrared detector for fire alarm comprises a mounting substrate 1, a protective shell 4 and a breathable interlayer 8; a fixing patch 2 is arranged on one end face of the mounting substrate 1, and a mounting hole 3 is formed in the side edge of the fixing patch 2; an installation caulking groove is formed in the other end face of the installation substrate 1, and a protection shell 4 is fixed in the installation caulking groove; the protective shell 4 comprises an inner heat-conducting shell 41 and an outer heat-insulating shell 42, and the inner heat-conducting shell 41 and the outer heat-insulating shell 42 form a cooling cavity 43; the two sides of the outer layer heat insulation shell 42 are provided with access ports 44, the access ports 44 are connected with a liquid guide pipeline 5, the tail end of the liquid guide pipeline 5 is connected to a cooling liquid storage tank 6, and the cooling liquid storage tank 6 is fixed on the mounting substrate 1; an installation opening 7 is formed in the center of the protective shell 4, a breathable interlayer 8 is arranged at the installation opening 7, and activated carbon particles 9 are filled in the breathable interlayer 8; an infrared detector body 10 is arranged inside the protective shell 4, a detection probe 11 is arranged on the infrared detector body 10, and the detection probe 11 is fixed at the installation opening 7.
Furthermore, the protective shell 4 is of a semicircular structure, an installation opening 7 is formed in the center of the convex end face of the protective shell 4, a sealing ring is arranged on the inner side of the installation opening 7, and the sealing ring and the outer end face of the protective shell 4 are integrally formed.
Further, infrared detector body 10 is fixed in the installation caulking groove, and infrared detector body 10 includes infra-red transmitter, infrared receiver and signal processor, and infra-red transmitter and infrared receiver set up on detecting probe 11, infra-red transmitter and infrared receiver electric connection to signal processor.
Furthermore, an electromagnetic control valve is arranged on the liquid guide pipeline 5 and electrically connected to the signal processor.
The working principle is as follows: a fixing patch 2 is arranged on one end face of the mounting substrate 1, and a mounting hole 3 is formed in the side edge of the fixing patch 2; an installation caulking groove is formed in the other end face of the installation substrate 1, and a protection shell 4 is fixed in the installation caulking groove; fixing the end face of the mounting substrate 1 with the fixing patch 2 on a horizontal mounting plane (generally on a building ceiling), arranging an expansion screw in the mounting hole 3, and mounting and fixing the mounting substrate 1;
the protective shell 4 comprises an inner heat-conducting shell 41 and an outer heat-insulating shell 42, and the inner heat-conducting shell 41 and the outer heat-insulating shell 42 form a cooling cavity 43; the two sides of the outer layer heat insulation shell 42 are provided with access ports 44, the access ports 44 are connected with a liquid guide pipeline 5, the tail end of the liquid guide pipeline 5 is connected to a cooling liquid storage tank 6, and the cooling liquid storage tank 6 is fixed on the mounting substrate 1; an installation opening 7 is formed in the center of the protective shell 4, a breathable interlayer 8 is arranged at the installation opening 7, and activated carbon particles 9 are filled in the breathable interlayer 8; an infrared detector body 10 is arranged in the protective shell 4, a detection probe 11 is arranged on the infrared detector body 10, and the detection probe 11 is fixed at the installation opening 7; the infrared detector body 10 comprises an infrared emitter, an infrared receiver and a signal processor, wherein the infrared emitter and the infrared receiver are arranged on the detection probe 11, and the infrared emitter and the infrared receiver are electrically connected to the signal processor; detect the heat source temperature variation in the environment that infrared detector body 10 is located through the infrared induction principle, judge whether there is the conflagration risk, when the conflagration takes place, signal processor control solenoid electric valve opens, and the coolant liquid flows out in the coolant liquid storage tank 6 automatically, in cooling chamber 43 is led through drain pipe 5, prevents that the inside infrared detector body 10 of inlayer heat conduction casing 41 from being heated and damaged, and the smog dust in the adsorbable air of active carbon granule 9 simultaneously etc. prevents infrared detector body 10 damage.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A protection type infrared detector for fire alarm which characterized in that: comprises a mounting substrate (1), a protective shell (4) and a ventilating interlayer (8); a fixing patch (2) is arranged on one end face of the mounting substrate (1), and a mounting hole (3) is formed in the side edge of the fixing patch (2); an installation caulking groove is formed in the other end face of the installation substrate (1), and a protective shell (4) is fixed in the installation caulking groove; the protective shell (4) comprises an inner heat conduction shell (41) and an outer heat insulation shell (42), and the inner heat conduction shell (41) and the outer heat insulation shell (42) form a cooling cavity (43); the two sides of the outer heat insulation shell (42) are provided with access ports (44), the access ports (44) are connected with liquid guide pipelines (5), the tail ends of the liquid guide pipelines (5) are connected to a cooling liquid storage tank (6), and the cooling liquid storage tank (6) is fixed on the mounting substrate (1); an installation opening (7) is formed in the center of the protective shell (4), a breathable interlayer (8) is arranged at the installation opening (7), and activated carbon particles (9) are filled in the breathable interlayer (8); an infrared detector body (10) is arranged inside the protective shell (4), a detection probe (11) is arranged on the infrared detector body (10), and the detection probe (11) is fixed at the installation opening (7).
2. A protected infrared detector for fire alarm according to claim 1, characterized in that: the protective shell (4) is of a semicircular structure, an installation opening (7) is formed in the center of the outer convex end face of the protective shell (4), a sealing ring is arranged on the inner side of the installation opening (7), and the sealing ring and the outer end face of the protective shell (4) are integrally formed.
3. A protected infrared detector for fire alarm according to claim 1, characterized in that: infrared detector body (10) are fixed in the installation caulking groove, and infrared detector body (10) include infra-red transmitter, infrared receiver and signal processor, and infra-red transmitter and infrared receiver set up on detecting probe (11), and infra-red transmitter and infrared receiver electric connection are to signal processor.
4. A protected infrared detector for fire alarm according to claim 1, characterized in that: and an electromagnetic control valve is arranged on the liquid guide pipeline (5), and the electromagnetic control valve is electrically connected to the signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020048385.XU CN210836479U (en) | 2020-01-10 | 2020-01-10 | Protective infrared detector for fire alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020048385.XU CN210836479U (en) | 2020-01-10 | 2020-01-10 | Protective infrared detector for fire alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210836479U true CN210836479U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020048385.XU Expired - Fee Related CN210836479U (en) | 2020-01-10 | 2020-01-10 | Protective infrared detector for fire alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210836479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577604A (en) * | 2020-10-19 | 2021-03-30 | 国网江苏省电力有限公司检修分公司 | Infrared temperature sensing equipment for fire prevention and control and protection assembly thereof |
| CN117878736A (en) * | 2024-03-13 | 2024-04-12 | 国网山西省电力公司运城供电公司 | Box-type substation oriented to distribution network automation and data driving |
-
2020
- 2020-01-10 CN CN202020048385.XU patent/CN210836479U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577604A (en) * | 2020-10-19 | 2021-03-30 | 国网江苏省电力有限公司检修分公司 | Infrared temperature sensing equipment for fire prevention and control and protection assembly thereof |
| CN112577604B (en) * | 2020-10-19 | 2021-10-08 | 国网江苏省电力有限公司检修分公司 | Infrared temperature sensing equipment for fire prevention and control and protection assembly thereof |
| CN117878736A (en) * | 2024-03-13 | 2024-04-12 | 国网山西省电力公司运城供电公司 | Box-type substation oriented to distribution network automation and data driving |
| CN117878736B (en) * | 2024-03-13 | 2024-06-07 | 国网山西省电力公司运城供电公司 | Box-type substation oriented to distribution network automation and data driving |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20220110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |