CN217238886U - Novel deflagration fire detector - Google Patents
Novel deflagration fire detector Download PDFInfo
- Publication number
- CN217238886U CN217238886U CN202121554847.6U CN202121554847U CN217238886U CN 217238886 U CN217238886 U CN 217238886U CN 202121554847 U CN202121554847 U CN 202121554847U CN 217238886 U CN217238886 U CN 217238886U
- Authority
- CN
- China
- Prior art keywords
- vibration
- shell
- novel
- fire detector
- deflagration
- 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.)
- Active
Links
Images
Landscapes
- Fire-Detection Mechanisms (AREA)
Abstract
The invention provides a novel deflagration fire detector, which can determine whether a fire disaster happens or not according to the physical parameters such as amplitude, frequency and the like of vibration when the shock wave of flame impacts a vibration diaphragm at the front end of a sensor when deflagration happens, can meet the characteristics of rapid fire development, rapid fire disaster ending, high instantaneous temperature and small smoke, and comprises the vibration diaphragm capable of absorbing the shock wave and the amplitude sensor capable of monitoring the vibration on the vibration diaphragm, wherein the vibration diaphragm is arranged at the front side of the amplitude sensor.
Description
Technical Field
The invention relates to the technical field of fire detectors, in particular to a novel deflagration fire detector.
Background
At present, in the existing fire detector technology, substance or physical quantity information such as smoke, light, combustible gas and the like generated in the combustion process when a fire occurs is mainly detected and used as a judgment basis for judging whether the fire occurs, and the deflagration type fire is mainly characterized by rapid fire development, rapid fire termination, high instantaneous temperature and small smoke. If the fire is not detected and suppressed in an extremely early stage, serious personnel and property loss can be caused, no detector specially aiming at the detonation type fire exists in the market at present,
based on the characteristics of deflagration type conflagration, this design provides a novel deflagration fire detector.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide a novel deflagration fire detector which can determine whether a fire disaster happens or not according to the physical parameters such as amplitude, frequency and the like of vibration when the shock wave of flame impacts a vibration diaphragm at the front end of a sensor when deflagration happens, and can meet the characteristics of rapid fire development, rapid fire completion, high instantaneous temperature and small smoke.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a novel detonation fire detector, includes the vibrations diaphragm that can absorb the shock wave, can be to the amplitude sensor of the vibrations monitoring on the vibrations diaphragm, the vibrations diaphragm sets up in amplitude sensor's front side.
The vibration type vibration sensor is characterized by further comprising a shell, wherein the front end opening and the tail end of the shell are closed, the amplitude sensor is fixedly arranged in the shell, and the vibration diaphragm is located on the opening end portion and fixed between the sealing cover and the opening end portion of the shell through the sealing cover.
The front end of the amplitude sensor is arranged close to the vibration diaphragm.
The cover is in threaded connection with the shell.
The vibration amplitude sensor is connected with the controller.
The temperature sensor is arranged in the shell, and the front end of the temperature sensor and the vibrating diaphragm are arranged at intervals.
The display device further comprises an indicator light connected with the controller, and the indicator light is located on the shell.
The vibration diaphragm comprises a metal matrix and a broadband wave-absorbing material coated on the periphery of the metal matrix.
Still including fixing the base of shell, be connected with branch on the base, the front end of branch is connected with the connecting rod, be equipped with connecting sleeve on the connecting rod, be equipped with threaded rod on the trailing end of shell, threaded rod and connecting sleeve threaded connection.
The invention has the beneficial effects that:
the design of the invention abandons the traditional physical quantity information such as temperature, light, smoke and the like, directly detects the most key characteristic of the deflagration fire, namely shock wave, and monitors the vibration parameter of the vibration membrane at the front end of the detector at any time through the sensor so as to judge whether deflagration occurs in the environment.
Drawings
FIG. 1 is a schematic diagram of the principal structure of the present design;
FIG. 2 is a schematic cross-sectional view of the novel deflagration fire detector of the present design;
fig. 3 is a schematic diagram of the main electrical principle of the novel deflagration fire detector of the design.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a deflagration fire detection method comprising:
(1) a vibration diaphragm capable of absorbing shock waves is arranged in front of the amplitude sensor;
(2) shock waves generated at the moment of explosion fire are absorbed by the vibration diaphragm;
(3) the amplitude sensor monitors the vibration of the vibration diaphragm and converts the vibration into an electric signal to be output to the controller to complete the monitoring of the deflagration and the fire.
Example 2, a novel deflagration fire detector, see fig. 1-3.
It includes the vibrations diaphragm 3 that can absorb shock wave, can be to the amplitude sensor 4 of the vibrations monitoring on the vibrations diaphragm 3, vibrations diaphragm 3 sets up in the front side of amplitude sensor 4, its vibrations diaphragm 3 includes the metal matrix and coats in the outlying wide band absorbing material of metal matrix.
Still include shell 1, the front end opening of shell 1, the tail end are sealed, the fixed 4 of amplitude sensor set up in shell 1, vibrations diaphragm 3 is located on the opening end and be fixed in between closing cap and the shell opening end through closing cap 2, the closing cap with shell threaded connection, amplitude sensor's front end is hugged closely the setting of vibrations diaphragm.
The vibration amplitude sensor is characterized by further comprising a controller 6 arranged in the shell 1, and the amplitude sensor 4 is connected with the controller 6.
And the device also comprises an indicator light connected with the controller 6, wherein the indicator light is positioned on the shell 1 and is used as a working indicator light.
Still including fixing the base 11 of shell 1, be connected with branch 10 on the base 11, the front end of branch is connected with connecting rod 8, be equipped with connecting sleeve 8 on the connecting rod 8, be equipped with threaded rod 7 on the trailing end of shell, threaded rod 7 and connecting sleeve threaded connection.
In conclusion, the novel deflagration fire detector comprises the vibrating diaphragm, the control circuit, the shell, the indicator light and the mounting base, wherein the vibrating diaphragm at the front end is formed by coating a metal substrate with a broadband wave-absorbing material on the surface of the metal substrate and can be used for detecting the environmental amplitude. The material is prepared by adding a proper amount of filler and auxiliary materials into high molecular resin (the prior art), is a special material which can be coated on the surfaces of various metal plate-shaped structures and has the functions of absorbing and amplifying vibration and certain sealing performance, can improve the sensitivity of a metal base layer to environmental impact waves and the monitoring capability of a detector to the impact waves in the process of explosion and fire disasters, has the characteristics of being passive, wide in frequency response, high in sensitivity and good in dynamic performance, and can quickly respond by matching with an amplitude sensor.
The control circuit in its shell adopts highly integrated modular design, can adopt two amplitude sensor, and the monitoring front end response diaphragm shakes simultaneously, improves the accuracy of monitoring, and its shell adopts aviation duralumin 7075 material to pass through CNC processing preparation, makes this detector have good mechanical properties and corrosion resistance through structural optimization. The shell can realize sealed protection to the circuit board of detector inside, and the protection level of this detector is IP67, is applicable to the abominable operating mode such as oil mist, dust.
Furthermore, in the invention, a sensor 5 can be additionally arranged in the shell to simultaneously detect the temperature of the front-end vibrating diaphragm, the front end of the temperature sensor and the vibrating diaphragm are arranged at intervals, and the temperature sensor can be used for detecting fire from multiple dimensions.
Furthermore, the amplitude sensor in the invention can be replaced by a high-precision non-contact linear displacement sensor to judge whether the front end sensing diaphragm vibrates or not, so that whether explosion fire occurs in the environment or not can be judged.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. A novel deflagration fire detector is characterized in that: the vibration sensor comprises a vibration diaphragm capable of absorbing shock waves and an amplitude sensor capable of monitoring vibration on the vibration diaphragm, wherein the vibration diaphragm is arranged on the front side of the amplitude sensor.
2. A novel deflagration fire detector as defined in claim 1, wherein: the vibration type vibration sensor is characterized by further comprising a shell, wherein the front end opening and the tail end of the shell are closed, the amplitude sensor is fixedly arranged in the shell, and the vibration diaphragm is located on the opening end portion and fixed between the sealing cover and the opening end portion of the shell through the sealing cover.
3. A novel deflagration fire detector as defined in claim 2, wherein: the front end of the amplitude sensor is arranged close to the vibration diaphragm.
4. A novel deflagration fire detector as defined in claim 3, wherein: the cover is in threaded connection with the shell.
5. A novel deflagration fire detector as defined in claim 4, wherein: the vibration amplitude sensor is connected with the controller.
6. A novel deflagration fire detector as defined in claim 5, wherein: the temperature sensor is arranged in the shell, and the front end of the temperature sensor and the vibrating diaphragm are arranged at intervals.
7. A novel deflagration fire detector as defined in claim 6, wherein: the vibration diaphragm comprises a metal matrix and a broadband wave-absorbing material coated on the periphery of the metal matrix.
8. A novel deflagration fire detector as defined in claim 7, wherein: still including fixing the base of shell, be connected with branch on the base, the front end of branch is connected with the connecting rod, be equipped with connecting sleeve on the connecting rod, be equipped with threaded rod on the trailing end of shell, threaded rod and connecting sleeve threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554847.6U CN217238886U (en) | 2021-07-09 | 2021-07-09 | Novel deflagration fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554847.6U CN217238886U (en) | 2021-07-09 | 2021-07-09 | Novel deflagration fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217238886U true CN217238886U (en) | 2022-08-19 |
Family
ID=82816527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121554847.6U Active CN217238886U (en) | 2021-07-09 | 2021-07-09 | Novel deflagration fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217238886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393633A (en) * | 2021-07-09 | 2021-09-14 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
-
2021
- 2021-07-09 CN CN202121554847.6U patent/CN217238886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393633A (en) * | 2021-07-09 | 2021-09-14 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
| CN113393633B (en) * | 2021-07-09 | 2023-09-26 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217238886U (en) | Novel deflagration fire detector | |
| CN203949700U (en) | Suspension and support on-Line Monitor Device | |
| CN103217210B (en) | Piezoelectric type noise sensor | |
| CN203163913U (en) | Diaphragm type fiber bragg grating pressure sensor with temperature compensation | |
| CN102778266B (en) | Water level redundancy measuring device | |
| CN113393633A (en) | Deflagration fire detection method and novel deflagration fire detector | |
| CN110133324B (en) | Differential type fiber bragg grating acceleration sensing device | |
| CN107228989B (en) | MEMS electric field sensor with insulating sealing structure | |
| CN103543288A (en) | S-shaped pitot tube based wind direction and velocity measurement device and method | |
| CN203177813U (en) | Strain detector for surface of pressure piping based on fiber grating sensor | |
| CN202177600U (en) | On-line monitoring device of dust content | |
| CN105973525A (en) | High-reliability piezoresistive pressure sensor | |
| CN201074528Y (en) | Acoustic emission sensor | |
| CN203745038U (en) | Capacitive liquid level sensor device | |
| CN210464755U (en) | Optical fiber pressure sensor | |
| CN209148008U (en) | A kind of Culture complex security system based on fiber grating | |
| CN110500203B (en) | High-speed free jet angle of attack measurement system of solid rocket ramjet based on weather vane | |
| CN208240177U (en) | A kind of high-precision combustible gas alarming instrument | |
| CN112414538A (en) | Waterproof type piezoelectricity vibration sensor of super little triaxial | |
| CN219319642U (en) | Brake pressure sensor | |
| CN209656203U (en) | A kind of pressure gauge housing of effective dust sealing | |
| CN214583794U (en) | Anti-interference high-sensitivity pressure sensor | |
| CN212364163U (en) | Wheatstone bridge type microflow detector | |
| CN213714540U (en) | Waterproof piezoelectric vibration sensor | |
| CN210735377U (en) | Belt deviation detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |