CN215416924U - Independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating - Google Patents
Independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating Download PDFInfo
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- CN215416924U CN215416924U CN202121215315.XU CN202121215315U CN215416924U CN 215416924 U CN215416924 U CN 215416924U CN 202121215315 U CN202121215315 U CN 202121215315U CN 215416924 U CN215416924 U CN 215416924U
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Abstract
The utility model discloses an independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating, which comprises a base unlocking mechanism and a shell, wherein the top of a base is clamped with the shell, the top of the base is fixedly connected with a support column, the top of the support column is fixedly connected with a circuit board, the inside of the base is provided with the unlocking mechanism, the inside of the base is symmetrically and slidably connected with a second sliding plate, the bottom of the second sliding plate is fixedly connected with a second spring, the top of the second sliding plate is fixedly connected with an L-shaped connecting rod, one side of the L-shaped connecting rod is rotatably connected with a support block, the top of the support block is fixedly connected with a turntable, the outer side of the turntable is fixedly connected with four fixed rods, and the inside of the shell is fixedly connected with four fixed blocks. Saving a great deal of time for people.
Description
Technical Field
The utility model relates to the technical field of fire detection, in particular to an independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating.
Background
The smoke detector can be divided into an ion smoke detector and a photoelectric smoke detector according to the response principle: the other photoelectric smoke detector comprises a light source, a photoelectric element and an electronic switch, is developed by using the basic characteristic that smoke generated in the initial stage of fire can change the transmission characteristic of light, and the smoke particles generated in the initial stage of fire absorb and scatter light to change the light intensity received by the photoelectric element in the detector, this detector sends alarm signal when the light intensity changes and surpasss the predetermined value, and in fire detection and warning field, the smoke detector that the use amount is the biggest, application range is the widest is exactly the point type photoelectric sensing smoke detector, and this kind of detector is used for surveying the smog granule that the initial stage produced takes place for the conflagration: the smoke particles flow along with the air flow and pass through the optical labyrinth and the filter screen to enter the detection cavity, so that infrared light emitted by the light emitting tube in the detection cavity is scattered by the smoke particles, scattered light is sensed by the receiving tube and converted into an electric signal corresponding to the smoke concentration, when the electric signal exceeds a certain set value, the smoke concentration is judged to reach a threshold value, and a fire alarm signal is triggered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an independent photoelectric smoke sensing fire detection alarm that can revise compensation automatically, includes base release mechanism and shell, the top joint of base has the shell, the top fixedly connected with support column of base, the top fixedly connected with circuit board of support column, the inside of base is provided with release mechanism, the inside symmetrical sliding connection of base has No. two slides, No. two springs of bottom fixedly connected with of No. two slides, the top fixedly connected with L type connecting rod of No. two slides, one side of L type connecting rod is rotated and is connected with the supporting shoe, the top fixedly connected with carousel of supporting shoe, four dead levers of outside fixedly connected with of carousel, four fixed blocks of inside fixedly connected with of shell.
Preferably, the four fixing blocks are all provided with fixing grooves matched with the fixing rods, the supporting blocks are provided with transmission grooves inside, and the turnplate is provided with empty grooves inside.
Preferably, the unlocking mechanism comprises a transmission block, a spring, a pressure lever and a sliding plate, the sliding plate is connected to the inner portion of the base in a sliding mode, the pressure lever is connected to the middle of the sliding plate in a rotating mode, the transmission block matched with the transmission groove is fixedly connected to the top of the pressure lever, and the spring is sleeved on the outer side of the pressure lever.
Preferably, the top of base fixedly connected with stabilizer bar, shell inside is provided with the slot with stabilizer bar complex.
Preferably, the top of the shell is provided with honeycomb holes, the inner thread of the shell is connected with a bolt, and the bolt is in threaded connection with the supporting column.
Preferably, one side of the circuit board is provided with a sensing unit, one side of the circuit board is provided with an MCU control unit, one side of the circuit board is provided with an acousto-optic signal output unit, and the sensing unit and the acousto-optic signal output unit are electrically connected with the MCU control unit.
Preferably, the sensing unit includes an optical maze module and an infrared transceiver module.
Compared with the prior art, the utility model has the beneficial effects that: according to the smoke detector, the smoke detector can be conveniently detached and maintained by people through the arranged fixing block, the fixing rod, the fixing groove, the L-shaped connecting rod and the unlocking mechanism, a large amount of time of people is saved, the MCU control unit can be periodically restarted to carry out self-checking revision on the background value, the latest background is obtained again, the sensitivity and the response speed of the current smoke monitoring are dynamically adjusted, the change caused by the influence of the external environment is automatically revised and compensated, the smoke condition is more accurately monitored, the alarm response is more timely, the long-time use can be ensured, and the honeycomb holes are convenient for airflow to flow into the shell from various angles.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic bottom view of the turntable of the present invention;
FIG. 5 is a schematic structural view of a fixing block according to the present invention;
FIG. 6 is a schematic diagram of a circuit board according to the present invention;
fig. 7 is a block diagram of the system of the present invention.
In the figure: 1. a housing; 2. honeycomb holes; 3. a base; 4. a circuit board; 5. a fixed block; 6. fixing the rod; 7. a turntable; 8. a stabilizer bar; 9. an unlocking mechanism; 91. a transmission block; 92. a first spring; 93. a pressure lever; 94. a first slide plate; 10. a second spring; 11. a second sliding plate; 12. an L-shaped connecting rod; 13. a support block; 14. a transmission groove; 15. fixing grooves; 16. a sensing unit; 17. an MCU control unit; 18. an acousto-optic signal output unit; 19. a support pillar; 20. an empty groove; 21. and (4) bolts.
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. 1-7, the present invention provides a technical solution: an independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating comprises a base 3 unlocking mechanism 9 and a shell 1, the shell 1 is clamped at the top of the base 3, a supporting column 19 is fixedly connected at the top of the base 3, a circuit board 4 is fixedly connected at the top of the supporting column 19, the unlocking mechanism 9 is arranged inside the base 3, a second sliding plate 11 is symmetrically and slidably connected inside the base 3, an L-shaped connecting rod 12 can slide more stably by the second sliding plate 11, a second spring 10 is fixedly connected at the bottom of the second sliding plate 11, the second spring 10 can be used for pushing the second sliding plate 11, so that the shell 1 is conveniently fixed, the L-shaped connecting rod 12 is fixedly connected at the top of the second sliding plate 11, a supporting block 13 is rotatably connected at one side of the L-shaped connecting rod 12, a turntable 7 is fixedly connected at the top of the supporting block 13, and four fixing rods 6 are fixedly connected at the outer side of the turntable 7, four fixing blocks 5 are fixedly connected inside the shell 1.
Specifically, when in use, the MCU control unit 17 obtains a background value of the environment, smoke particles enter the light maze module through the honeycomb holes 2, the infrared transceiver module senses light and then generates an analog signal value, the MCU control unit 17 converts the analog signal value into a smoke concentration according to a conversion formula M ═ K0+ K1 × B + K2 ×, where M represents the smoke concentration, K0, K1, and K2 are transformation coefficients, B represents the background value, and a represents the analog signal value, when the smoke concentration value reaches a set alarm threshold, the sound and light signal output unit 18 sends out a sound and light alarm, the MCU control unit 17 periodically restarts the system to self-check and revise the background value, reacquires the latest background value, dynamically adjusts the sensitivity and response speed of the smoke monitoring at present smoke sensation, when disassembly and maintenance are required, the bolt 21 is removed, and the pressure lever 93 is pushed inward, the pressing rod 93 enables the transmission block 91 to be inserted into the transmission groove 14, the pressing rod 93 is continuously pushed to enable the rotary table 7 to move, the rotary table 7 enables the fixing rod 6 to move, when the fixing rod 6 moves to the top of the fixing groove 15, the pressing rod 93 is rotated, the rotary table 93 enables the rotary table 7 to rotate through the transmission block 91, the fixing rod 6 is enabled to rotate to enable the fixing rod 6 to rotate to a position which is not blocked by the fixing block 5, then the shell 1 can be removed for maintenance, when the shell 1 is installed, the shell 1 is aligned to the base 3 to enable the fixing rod 6 to enter the fixing groove 15, then the pressing rod 93 is pushed inwards, the pressing rod 93 compresses the first spring 92 through the first sliding plate 94, the pressing rod 93 enables the supporting block 13 to move through the transmission block 91, the supporting block 13 enables the L-shaped connecting rod 12 to move, the second spring 10 is stretched, the supporting block 13 enables the fixing rod 6 to move through the rotary table 7, and enables the fixing rod 6 to move to the top of the fixing groove 15, then the pressing rod 93 is rotated, the rotating direction is opposite to the direction during disassembly, then the pressing rod 93 is loosened, the second spring 10 is reset, the supporting block 13 is moved through the L-shaped connecting rod 12, the supporting block 13 enables the fixing rod 6 to move through the rotary disc 7, the fixing block 5 is blocked by the fixing rod 6, the shell 1 is fixed, meanwhile, the first spring 92 is bounced open, the transmission block 91 is separated from the transmission groove 14, and then the bolt 21 is screwed on, so that the installation can be completed.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (7)
1. The utility model provides a but independent photoelectric smoke sensing fire detection alarm of automatic revision compensation, includes base (3) release mechanism (9) and shell (1), its characterized in that: the top of the base (3) is clamped with the shell (1), the top of the base (3) is fixedly connected with a supporting column (19), the top of the supporting column (19) is fixedly connected with a circuit board (4), an unlocking mechanism (9) is arranged in the base (3), a second sliding plate (11) is symmetrically and slidably connected inside the base (3), a second spring (10) is fixedly connected at the bottom of the second sliding plate (11), the top of the second sliding plate (11) is fixedly connected with an L-shaped connecting rod (12), one side of the L-shaped connecting rod (12) is rotatably connected with a supporting block (13), the top of the supporting block (13) is fixedly connected with a turntable (7), the outer side of the turntable (7) is fixedly connected with four fixed rods (6), the inside fixedly connected with four fixed blocks (5) of shell (1).
2. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 1, wherein: the four fixing blocks (5) are all provided with fixing grooves (15) matched with the fixing rods (6), the supporting blocks (13) are provided with transmission grooves (14), and the rotary table (7) is provided with empty grooves (20).
3. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 2, wherein: unlocking mechanism (9) include transmission piece (91), spring (92), depression bar (93) and slide (94), the inside sliding connection of base (3) has slide (94) No. one, the middle part of slide (94) is rotated and is connected with depression bar (93), the top fixedly connected with of depression bar (93) and transmission groove (14) complex transmission piece (91), the outside cover of depression bar (93) has spring (92) No. one.
4. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 3, wherein: the top fixedly connected with stabilizer bar (8) of base (3), shell (1) inside is provided with the slot with stabilizer bar (8) complex.
5. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 4, wherein: the top of shell (1) is provided with honeycomb holes (2), the inside threaded connection of shell (1) has bolt (21), bolt (21) and support column (19) threaded connection.
6. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 1, wherein: one side of the circuit board (4) is provided with a sensing unit (16), one side of the circuit board (4) is provided with an MCU control unit (17), one side of the circuit board (4) is provided with an acousto-optic signal output unit (18), and the sensing unit (16) and the acousto-optic signal output unit (18) are electrically connected with the MCU control unit (17).
7. An automatically revisable and compensatable standalone photoelectric smoke fire detection alarm according to claim 6, wherein: the sensing unit (16) comprises an optical maze module and an infrared transceiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215315.XU CN215416924U (en) | 2021-06-01 | 2021-06-01 | Independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215315.XU CN215416924U (en) | 2021-06-01 | 2021-06-01 | Independent photoelectric smoke-sensing fire detection alarm capable of automatically revising and compensating |
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| CN215416924U true CN215416924U (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114926972A (en) * | 2022-07-20 | 2022-08-19 | 南通精腾信息科技有限公司 | Disaster protection type big data processing system for intelligent factory |
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2021
- 2021-06-01 CN CN202121215315.XU patent/CN215416924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114926972A (en) * | 2022-07-20 | 2022-08-19 | 南通精腾信息科技有限公司 | Disaster protection type big data processing system for intelligent factory |
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