CN221200518U - Fiber bragg grating fire detector - Google Patents
Fiber bragg grating fire detector Download PDFInfo
- Publication number
- CN221200518U CN221200518U CN202323296909.XU CN202323296909U CN221200518U CN 221200518 U CN221200518 U CN 221200518U CN 202323296909 U CN202323296909 U CN 202323296909U CN 221200518 U CN221200518 U CN 221200518U
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- fire detector
- bragg grating
- fiber bragg
- grating fire
- detector body
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- 239000000835 fiber Substances 0.000 title claims abstract description 104
- 239000000428 dust Substances 0.000 claims abstract description 70
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 230000005855 radiation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fire Alarms (AREA)
Abstract
The utility model discloses a fiber bragg grating fire detector, which relates to the technical field of fire detectors and comprises a fiber bragg grating fire detector body, wherein a control panel is arranged at the front end of the fiber bragg grating fire detector body. This fiber bragg grating fire detector uses through the cooperation of fiber bragg grating fire detector body and thermovent and dust cover for this fiber bragg grating fire detector offers the thermovent in fiber bragg grating fire detector body's both sides, and the equipment position of work in the thermovent is corresponding with fiber bragg grating fire detector body, and fiber bragg grating fire detector body has assembled the dust cover that can cover in the thermovent outside in the outside simultaneously, and the dust cover can cover the thermovent, avoids the dust to get into in the fiber bragg grating fire detector body through the thermovent, and the bottom of dust cover has set up the opening simultaneously, can cooperate the thermovent to guarantee the circulation between the inside of fiber bragg grating fire detector body and the external air.
Description
Technical Field
The utility model relates to the technical field of fire detectors, in particular to a fiber bragg grating fire detector.
Background
The fire detector is one of the most important components of the fire detection system, and comprises at least one sensor capable of continuously or periodically detecting various physical and chemical phenomena generated during the combustion of substances, and at least providing a suitable signal to the control and indication device, and is a "sense organ" of the system, the function of which is to monitor the environment for the occurrence of a fire. Once a fire condition exists, the characteristic physical quantities of the fire, such as temperature, smoke, gas, radiation intensity and the like, are converted into electric signals, and immediately act to send alarm signals to a fire alarm controller.
The fiber bragg grating fire detector is one of fire detectors, and the fiber bragg grating signal processing component of the fiber bragg grating fire detector is used for detecting and processing data of signals of a fiber bragg grating temperature detection unit, and has the advantages of high resolution, good repeatability, high acquisition speed, high reliability, strong processing capacity, multiple connection measuring points, strong compatibility and the like, and can realize rapid real-time, reliable and stable long-term monitoring of the field temperature detection unit.
The fiber bragg grating fire detector needs long-time continuous work under the influence of the working type, an auxiliary engine body working radiating opening is formed in the outside of the engine body so as to ensure the working environment of the fiber bragg grating fire detector, the engine body is communicated with the outside through the radiating opening, air exchange is conducted, heat radiation is assisted, but external dust can easily enter the engine body to affect the working environment of equipment inside the engine body, the service life of the detector is even affected, if a shielding structure is arranged outside the radiating opening for protection, on one hand, the radiating effect is easily affected, and the fiber bragg grating fire detector is inconvenient to clean the fiber bragg grating fire detector regularly, and therefore the fiber bragg grating fire detector is designed to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a fiber grating fire detector, which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The utility model provides a fiber bragg grating fire detector, which has the following beneficial effects: the utility model provides a fiber grating fire detector, includes fiber grating fire detector body, fiber grating fire detector body's front end is provided with control panel, and fiber grating fire detector body's tail end is provided with the wiring mouth, evenly distributed's thermovent has been seted up to fiber grating fire detector body's both sides, and fiber grating fire detector body's both sides fixed mounting has two sets of fixing bases that are located thermovent top, two sets of movable sleeve is equipped with the deflection axle between the fixing base, the outside fixedly connected with dust cover of deflection axle, two sets of limit bolts of symmetric distribution are assembled to the dust cover, the bolt housing with limit bolt assorted is seted up in fiber grating fire detector body's outside.
Further, the rear end of the fiber bragg grating fire detector body is provided with a switch and a power interface which are positioned on two sides of the wiring port, the switch and the power interface are electrically connected, the fiber bragg grating fire detector body can be connected with a circuit through the wiring port, so that fire condition monitoring is performed, the power interface can be connected with a power supply to supply power for the whole work of the device, and the switch can control the working state of equipment in the fiber bragg grating fire detector body.
Further, the front end fixedly connected with of fiber grating fire detector body is located the mounting bracket of control panel upper and lower both sides, evenly distributed's mounting hole has been seted up on the mounting bracket, and the mounting bracket of fiber grating fire detector body front end can cooperate the mounting bracket of mounting hole supplementary fiber grating fire detector body holistic installation fixedly.
Further, two groups of discs which are symmetrically distributed are fixedly connected to the outer side of the deflection shaft, a torsion spring is connected between the discs and the fixing base, the discs can be matched with the torsion spring to assist in limiting of the dust cover, the torsion spring can drive the discs to deflect through torsion of the torsion spring, and accordingly the discs drive the deflection shaft and the dust cover to extrude to the outer side of the fiber bragg grating fire detector body, and the dust cover is prevented from shaking.
Further, the cavity matched with the heat dissipation opening is formed in the inner side of the dust cover, the opening is formed in the bottom end of the dust cover, dust can be prevented from entering the fiber grating fire detector body through the heat dissipation opening after the heat dissipation opening is covered by the dust cover, and the cavity in the inner side of the dust cover and the opening in the bottom end can be matched with the heat dissipation opening to ensure circulation between the inside of the fiber grating fire detector body and outside air.
Further, the dust cover is sleeved with the bolt sleeve corresponding to the position of the limit bolt, the limit bolt is in threaded connection with the bolt sleeve, the bolt sleeve on the dust cover is used for assisting in assembling of the limit bolt in the dust cover, and the length of the tail end of the limit bolt extending out of the dust cover can be changed by rotating the limit bolt.
Further, the length value of the limit bolt is larger than the distance value between the expanded dust cover and the limit screw hole, a knob is sleeved at the top end of the limit bolt, when the dust cover deflects to be perpendicular to the side face of the fiber bragg grating fire detector body, the position of the limit bolt corresponds to the position of the limit screw hole, and the dust cover can be fixed by rotating the limit bolt and matching with the limit screw hole.
1. This fiber bragg grating fire detector uses through the cooperation of fiber bragg grating fire detector body and thermovent and dust cover for this fiber bragg grating fire detector offers the thermovent in fiber bragg grating fire detector body's both sides, and the region of seting up of thermovent corresponds with the equipment position of work in the fiber bragg grating fire detector body, and fiber bragg grating fire detector body has assembled the dust cover that can cover in the thermovent outside in the outside simultaneously, and the dust cover can cover the thermovent, avoids the dust to get into in the fiber bragg grating fire detector body through the thermovent, and the bottom of dust cover has set up the opening simultaneously, can cooperate the thermovent to guarantee the circulation between the inside of fiber bragg grating fire detector body and the outside air, has guaranteed the radiating effect promptly, can effectually reduce the dust that gets into in the fiber bragg grating fire detector body again.
2. This fiber bragg grating fire detector uses through the cooperation of dust cover and deflection axle and spacing bolt and spacing screw for this fiber bragg grating fire detector need be to the thermovent department when cleaning, can stir the dust cover and make the dust cover deflect around the deflection axle and open, thereby expose the thermovent, afterwards rotatory the inboard spacing bolt of dust cover, can make the terminal embedding fiber bragg grating fire detector body outside in the spacing screw, it is fixed with the dust cover, keep the expansion state of dust cover, make this fiber bragg grating fire detector can be convenient expand the dust cover and carry out cleaning operation to the thermovent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the back surface of the present utility model;
FIG. 3 is a schematic view of the dust cap of the present utility model after being unfolded;
FIG. 4 is a schematic view of the structure of the outer side of the fiber grating fire detector body according to the present utility model;
FIG. 5 is a schematic view of the structure of the inside of the dust cap of the present utility model;
fig. 6 is a schematic view of the structure between the limit bolt and the bolt housing according to the present utility model.
In the figure: 1. a fiber grating fire detector body; 2. a control panel; 3. a mounting frame; 4. a mounting hole; 5. a dust cover; 6. a deflection shaft; 7. a fixing seat; 8. limiting screw holes; 9. a wiring port; 10. a switch; 11. a power interface; 12. a heat radiation port; 13. a limit bolt; 14. a bolt sleeve; 15. a disc; 16. and (3) a torsion spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a fiber grating fire detector, including fiber grating fire detector body 1, fiber grating fire detector body 1's front end is provided with control panel 2, fiber grating fire detector body 1's front end fixedly connected with is located the mounting bracket 3 of control panel 2 upper and lower both sides, evenly distributed's mounting hole 4 has been seted up on the mounting bracket 3, fiber grating fire detector body 1's the mounting bracket 3 of 1 front end can cooperate mounting hole 4 to assist fiber grating fire detector body 1 holistic installation fixedly, guarantee fiber grating fire detector body 1 job site's stabilization, and fiber grating fire detector body 1's tail end is provided with wiring mouth 9, fiber grating fire detector body 1's rear end is equipped with switch 10 and power interface 11 that are located wiring mouth 9 both sides, fiber grating fire detector body 1 accessible wiring mouth 9 is connected with the circuit, thereby fire condition monitoring.
The switch 10 and the power interface 11 are electrically connected, the power interface 11 can be connected with a power supply to supply power for the whole work of the device, the switch 10 can control the working state of equipment in the fiber bragg grating fire detector body 1, the two sides of the fiber bragg grating fire detector body 1 are provided with evenly distributed heat dissipation openings 12, two groups of fixing seats 7 positioned above the heat dissipation openings 12 are fixedly arranged on the two sides of the fiber bragg grating fire detector body 1, a deflection shaft 6 is movably sleeved between the two groups of fixing seats 7, the outer side of the deflection shaft 6 is fixedly connected with a dust cover 5, a cavity matched with the heat dissipation openings 12 is formed in the inner side of the dust cover 5, dust can be prevented from entering the fiber bragg grating fire detector body 1 through the heat dissipation openings 12 after the heat dissipation openings 12 are covered by the dust cover 5, openings are formed in the bottom ends of the cavity at the inner side of the dust cover 5, and the openings at the bottom ends of the dust cover can be matched with the heat dissipation openings 12 to ensure the circulation between the inner side of the fiber bragg grating fire detector body 1 and the outside air.
Referring to fig. 2 to 6, two groups of discs 15 are fixedly connected to the outer side of the deflection shaft 6, the discs 15 can cooperate with torsion springs 16 to assist in limiting of the dust cover 5, torsion springs 16 are connected between the discs 15 and the fixing base 7, the torsion springs 16 can drive the discs 15 to deflect through torsion of the torsion springs 16, and accordingly the discs 15 drive the deflection shaft 6 and the dust cover 5 to extrude to the outer side of the fiber bragg grating fire detector body 1, and the covering effect of the dust cover 5 on the heat dissipation opening 12 is guaranteed.
Two groups of limit bolts 13 are symmetrically distributed in the dust cover 5, bolt sleeves 14 matched with the limit bolts 13 are arranged on the outer side of the fiber bragg grating fire detector body 1, the bolt sleeves 14 corresponding to the limit bolts 13 in position are sleeved on the dust cover 5, the bolt sleeves 14 on the dust cover 5 are used for assisting in assembling the limit bolts 13 in the dust cover 5, the limit bolts 13 are in threaded connection with the bolt sleeves 14, the length of the tail ends of the limit bolts 13 extending out of the dust cover 5 can be changed by rotating the limit bolts 13, and the butt joint of the limit bolts 13 and the limit screw holes 8 is facilitated.
The length value of the limit bolt 13 is larger than the distance value between the expanded dust cover 5 and the limit screw hole 8, when the dust cover 5 deflects to be vertical to the side face of the fiber grating fire detector body 1, the position of the limit bolt 13 corresponds to the position of the limit screw hole 8, the dust cover 5 can be fixed by rotating the limit bolt 13 through the limit screw hole 8, a knob is sleeved at the top end of the limit bolt 13, and the knob at the top end of the limit bolt 13 can be easy to rotate the limit bolt 13.
In summary, when the fiber grating fire detector is used, the whole fiber grating fire detector body 1 is installed at a fixed position through the installation frame 3 and the installation hole 4 and is connected with a circuit through the wiring port 9, so that fire condition monitoring is performed, the radiating ports 12 are arranged on two sides of the fiber grating fire detector body 1, the arranged areas of the radiating ports 12 correspond to the positions of equipment working in the fiber grating fire detector body 1, when the fiber grating fire detector body 1 continuously works, internal equipment radiates heat in an auxiliary mode through the radiating ports 12, the fiber grating fire detector body 1 is provided with the dust cover 5 which can cover the outer side of the radiating ports 12 on the outer side, the dust cover 5 covers the radiating ports 12, and dust is prevented from entering the fiber grating fire detector body 1 through the radiating ports 12, the bottom of the dust cover 5 is provided with an opening, the dust cover 5 can be stirred when the heat radiation port 12 is required to be cleaned, so that the dust cover 5 is deflected and opened around the deflection shaft 6, the heat radiation port 12 is exposed, afterwards, the limit bolt 13 on the inner side of the dust cover 5 is rotated, the tail end of the limit bolt 13 is embedded into the limit screw hole 8 on the outer side of the fiber grating fire detector body 1, the dust cover 5 is fixed, the unfolding state of the dust cover 5 is kept until the heat radiation port 12 is cleaned, and the work of the whole fiber grating fire detector and the cleaning process of the heat radiation port 12 are completed.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)
1. The utility model provides a fiber bragg grating fire detector, includes fiber bragg grating fire detector body (1), the front end of fiber bragg grating fire detector body (1) is provided with control panel (2), and the tail end of fiber bragg grating fire detector body (1) is provided with wiring mouth (9), its characterized in that: the fiber bragg grating fire detector comprises a fiber bragg grating fire detector body (1), wherein two evenly-distributed radiating ports (12) are formed in two sides of the fiber bragg grating fire detector body (1), two groups of fixing seats (7) located above the radiating ports (12) are fixedly arranged on two sides of the fiber bragg grating fire detector body (1), a deflection shaft (6) is movably sleeved between the two groups of fixing seats (7), a dust cover (5) is fixedly connected to the outer side of the deflection shaft (6), two groups of limit bolts (13) which are symmetrically distributed are arranged in the dust cover (5), and bolt sleeves (14) matched with the limit bolts (13) are formed in the outer side of the fiber bragg grating fire detector body (1).
2. A fiber grating fire detector as defined in claim 1, wherein: the fiber bragg grating fire detector is characterized in that a switch (10) and a power interface (11) which are positioned on two sides of the wiring port (9) are arranged at the rear end of the fiber bragg grating fire detector body (1), and the switch (10) and the power interface (11) are electrically connected.
3. A fiber grating fire detector as defined in claim 1, wherein: the fiber bragg grating fire detector comprises a fiber bragg grating fire detector body (1), wherein the front end of the fiber bragg grating fire detector body (1) is fixedly connected with a mounting frame (3) positioned on the upper side and the lower side of a control panel (2), and uniformly distributed mounting holes (4) are formed in the mounting frame (3).
4. A fiber grating fire detector as defined in claim 1, wherein: two groups of discs (15) which are symmetrically distributed are fixedly connected to the outer side of the deflection shaft (6), and torsion springs (16) are connected between the discs (15) and the fixed seat (7).
5. A fiber grating fire detector as defined in claim 1, wherein: the inner side of the dust cover (5) is provided with a cavity matched with the heat dissipation opening (12), and the bottom end of the dust cover (5) is provided with an opening.
6. A fiber grating fire detector as defined in claim 5, wherein: the dustproof cover (5) is sleeved with a bolt sleeve (14) corresponding to the position of the limit bolt (13), and the limit bolt (13) is in threaded connection with the bolt sleeve (14).
7. The fiber bragg grating fire detector of claim 6, wherein: the length value of the limit bolt (13) is larger than the distance value between the expanded dust cover (5) and the limit screw hole (8), and the top end of the limit bolt (13) is sleeved with a knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323296909.XU CN221200518U (en) | 2023-12-05 | 2023-12-05 | Fiber bragg grating fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323296909.XU CN221200518U (en) | 2023-12-05 | 2023-12-05 | Fiber bragg grating fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221200518U true CN221200518U (en) | 2024-06-21 |
Family
ID=91524306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323296909.XU Active CN221200518U (en) | 2023-12-05 | 2023-12-05 | Fiber bragg grating fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221200518U (en) |
-
2023
- 2023-12-05 CN CN202323296909.XU patent/CN221200518U/en active Active
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