CN112863110A

CN112863110A - Smoke sensor equipment capable of preventing misjudgment

Info

Publication number: CN112863110A
Application number: CN202110047559.XA
Authority: CN
Inventors: 赵瑞霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-05-28

Abstract

The invention belongs to the field of smoke sensors, and particularly relates to smoke sensor equipment capable of preventing misjudgment. According to the invention, after the smoke concentration detected by the smoke sensor body reaches a certain degree, the servo motor is started to drive the stay rope to descend, so that the sealing plate descends to a certain height, if smoke is artificially generated, an operator can press the wireless remote control to restart the smoke sensor, so that fire extinguishing equipment cannot be triggered, if no person is indoors, the single chip can start the camera to collect indoor videos and photos for judgment after a certain time, if a fire disaster occurs, the fire extinguishing equipment is started to extinguish the fire in time, and the influence of a water spraying mechanism on the indoor environment can be avoided under the condition of artificially generated smoke.

Description

Smoke sensor equipment capable of preventing misjudgment

Technical Field

The invention relates to the field of smoke sensors, in particular to smoke sensor equipment capable of preventing misjudgment.

Background

The smoke sensor realizes fire prevention by monitoring the concentration of smoke, the ion type smoke sensor is adopted in the smoke alarm, the ion type smoke sensor is an advanced technology and works stably and reliably, the ion type smoke sensor is widely applied to various fire alarm systems, and the performance of the ion type smoke sensor is far superior to that of gas-sensitive resistors type fire alarms.

Some current can't in time discover in order to prevent that indoor conflagration from taking place, often can be at wall body top installation smoke sensor equipment, the convenience can be timely discovery conflagration and then the suggestion of reporting to the police, and follow-up fire extinguishing handles, but current smoke sensor equipment is in the in-process that uses, the condition of erroneous judgement often can appear, the erroneous judgement condition divide into two kinds, one kind, be indoor artificial smog that causes, be monitored by smoke sensor, nevertheless this kind of condition is thought steerable, need not to handle, nevertheless smoke sensor can start fire extinguishing apparatus and spray water, another kind is that smoke sensor surface is adhered to by the dust, and the dust is adhered to more, thereby it judges to appear influencing smoke sensor easily, lead to the great just can detect of intensity of a fire development. For this reason, new technical solutions need to be designed to solve the problem.

Disclosure of Invention

The invention aims to provide a smoke sensor device for preventing misjudgment, and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a smoke sensor device capable of preventing misjudgment comprises a shell, wherein a smoke sensor body is fixedly mounted at the bottom of the shell, a connecting block is fixedly mounted in the middle of the top of an inner cavity of the shell, a servo motor is fixedly connected to the bottom of the connecting block, a winding shaft is fixedly connected to the outer end of a transmission shaft of the servo motor, a pull rope is wound on the outer wall of the winding shaft, a through hole is formed in the right side of the bottom of the shell, the pull rope penetrates through the through hole and is fixedly connected with a sealing plate, a camera is fixedly mounted on the right side of the top of the sealing plate, and a wireless remote control;

an electric push rod is fixedly installed on the left side of the bottom of an inner cavity of the shell, a piston rod of the electric push rod penetrates through the bottom of the shell and is fixedly connected with a lifting plate, a motor is fixedly installed at the bottom of the lifting plate, a transmission shaft of the motor penetrates through the lifting plate and is fixedly connected with a brush plate, and bristles are fixedly installed at the top of the brush plate;

the upper portion and the lower portion of the left side wall of the inner cavity of the shell are respectively and fixedly provided with a single chip microcomputer and a wireless module, and the left side of the top of the inner cavity of the shell is fixedly provided with a time relay.

As a preferred embodiment of the present invention, the pull rope includes a steel wire rope, a wire and a rubber sleeve, the steel wire rope and the wire are disposed in an inner cavity of the rubber sleeve, and the wire is electrically connected to the camera.

In a preferred embodiment of the present invention, two side walls of the housing are fixedly mounted with ear plates, and the surface of each ear plate is provided with a mounting hole.

As a preferred embodiment of the present invention, the signal output terminals of the time relay and the smoke sensor body are both connected to a signal input terminal of a single chip microcomputer, the signal output terminal of the single chip microcomputer is connected to a signal input terminal of an external device through a wireless module, and the signal output terminal of the single chip microcomputer is connected to signal input terminals of a servo motor, an electric push rod and a motor through wires.

As a preferred embodiment of the present invention, the signal channel of the single chip microcomputer and the signal channel of the camera are communicated with each other.

As a preferred embodiment of the present invention, the wireless remote control and the smoke sensor body are in signal communication.

In a preferred embodiment of the present invention, the outer wall of the pull rope is slidably sleeved with a position-limiting ring, and the outer wall of the position-limiting ring is fixedly connected to the inner wall of the housing through a fixing rod.

In a preferred embodiment of the present invention, the number of the bristles is several groups, and several groups of the bristles are uniformly distributed on the top of the brush plate.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, after the smoke concentration detected by the smoke sensor body reaches a certain degree, the servo motor is started to drive the stay rope to descend, so that the sealing plate descends to a certain height, if smoke is artificially generated, an operator can press the wireless remote control to restart the smoke sensor, so that fire extinguishing equipment cannot be triggered, if no person is indoors, the single chip can start the camera to collect indoor videos and photos for judgment after a certain time, if a fire disaster occurs, the fire extinguishing equipment is started to extinguish the fire in time, and the influence of a water spraying mechanism on the indoor environment can be avoided under the condition of artificially generated smoke.

2. According to the invention, the electric push rod can be periodically started through the single chip microcomputer, so that the electric push rod can drive the lifting plate to lift, the brush hair can be attached to the bottom of the smoke sensor body, then the motor is started to drive the brush hair to rotate, and therefore, the bottom of the smoke sensor body is cleaned, dust is prevented from influencing the normal work of the smoke sensor body, and the work sensitivity of the smoke sensor body is ensured.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of an anti-misjudgment smoke sensor apparatus of the present invention;

FIG. 2 is a schematic view of a pull cord configuration of an anti-misjudgment smoke sensor apparatus of the present invention;

FIG. 3 is a schematic view of an ear plate configuration of a false proof smoke sensor apparatus of the present invention;

fig. 4 is a system operating diagram of an anti-misjudgment smoke sensor apparatus of the present invention.

In the figure: 1. a housing; 2. an ear plate; 3. a smoke sensor body; 4. a through hole; 5. connecting blocks; 6. a servo motor; 7. a reel; 8. pulling a rope; 9. a limiting ring; 10. fixing the rod; 11. a sealing plate; 12. wireless remote control; 13. a camera; 14. a time relay; 15. a single chip microcomputer; 16. a wireless module; 17. an electric push rod; 18. a lifting plate; 19. brushing the board; 20. a motor; 21. brushing; 22. a rubber sleeve; 23. a wire rope; 24. a wire; 25. mounting holes; 26. and (5) externally connecting equipment.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a smoke sensor device capable of preventing misjudgment comprises a shell 1, wherein a smoke sensor body 3 is fixedly mounted at the bottom of the shell 1, a connecting block 5 is fixedly mounted in the middle of the top of an inner cavity of the shell 1, a servo motor 6 is fixedly connected to the bottom of the connecting block 5, the servo motor 6 enables accurate positioning, a reel 7 is fixedly connected to the outer end of a transmission shaft of the servo motor 6, a pull rope 8 is wound on the outer wall of the reel 7, the reel 7 can take up and release the pull rope, a through hole 4 is formed in the right side of the bottom of the shell 1, the pull rope 8 penetrates through the through hole 4 and is fixedly connected with a sealing plate 11, a rubber pad is mounted at the top of the sealing plate 11 and used for sealing, a camera 13 is fixedly mounted on the right side of the; an electric push rod 17 is fixedly installed on the left side of the bottom of an inner cavity of the shell 1, the electric push rod 17 is used for providing power, a piston rod of the electric push rod 17 penetrates through the bottom of the shell 1 and is fixedly connected with a lifting plate 18, the electric push rod 17 can drive the lifting plate 18 to lift, a motor 20 is fixedly installed at the bottom of the lifting plate 18, a transmission shaft of the motor 20 penetrates through the lifting plate 18 and is fixedly connected with a brush plate 19, the motor 20 can drive the brush plate 19 to rotate, and bristles 21 are fixedly installed at the top of the brush plate 19; the dust on the surface of the smoke sensor body 3 can be cleaned by the brush bristles 21, a single chip microcomputer 15 and a wireless module 16 are fixedly mounted on the upper portion and the lower portion of the left side wall of an inner cavity of the shell 1 respectively, the single chip microcomputer 15 is a 51-bit single chip microcomputer, the wireless module 16 is a 4G module, a time relay 14 is fixedly mounted on the left side of the top of the inner cavity of the shell 1, signal output ends of the time relay 14 and the smoke sensor body 3 are connected with a signal input end of the single chip microcomputer 15, a signal output end of the single chip microcomputer 15 is connected with a signal input end of an external device 26 through the wireless module 16, a signal output end of the single chip microcomputer 15 is connected with a signal input end of a servo motor 6 through a wire, an electric push rod 17 and a signal.

In the invention, firstly, when the smoke sensor body 3 detects smoke, a signal is fed back to the singlechip 15, the singlechip 15 starts the servo motor 6 to drive the reel 7 to pay off, the pull rope 8 drives the sealing plate 11 to descend to a certain height, if the smoke is deemed to be caused, the smoke sensor body 3 can be closed by the indoor person through the wireless remote control 12, and the smoke sensor is restarted at regular time, when no person is in the room, the singlechip 15 starts the camera 13 to collect indoor video and pictures after a certain time, whether a fire disaster occurs is judged, if the fire disaster occurs, the fire disaster is transmitted to the external equipment 26 and the spraying is triggered, the fire is extinguished, meanwhile, the external equipment 26 can know the indoor condition in time, and meanwhile, in the normal use process of the smoke sensor body 3, the signal can be fed back to the singlechip 15 through the time relay 14 regularly, thereby the regular start electric putter 17 of singlechip 15 drives lifter plate 18 and goes up and down to make the brush hair laminating on brush 19 surface at the bottom surface of smoke transducer body 3, starter motor 20 makes to drive brush 19 and rotates simultaneously, thereby make can regular smoke transducer body 3 clear up, sensitivity when avoiding the dust to influence smoke transducer body 3 to use, and then the device can effectually prevent the condition of erroneous judgement.

In an alternative embodiment, the pull rope 8 comprises a steel wire 23, a wire 24 and a rubber sleeve 22, the steel wire 23 and the wire 24 are arranged in the inner cavity of the rubber sleeve 22, and the wire 24 is electrically connected with the camera 13.

It should be noted that the other end of the wire 24 penetrates through the reel and is electrically connected to the concentrically arranged electrical slip ring, and the electrical slip ring is connected to an external power supply, so as to ensure power supply to the camera 13.

In an alternative embodiment, two side walls of the housing 1 are fixedly provided with the ear plates 2, and the surface of the ear plate 2 is provided with a mounting hole 25.

The entire device can be fixed and mounted by inserting bolts through the mounting holes 25.

In an alternative embodiment, the outer wall of the pull rope 8 is slidably sleeved with a limiting ring 9, and the outer wall of the limiting ring 9 is fixedly connected with the inner wall of the shell 1 through a fixing rod 10.

It should be noted that the pull rope 8 can be stabilized by the limit ring 9, so that the situation that the pull rope 8 shakes during the lifting process is avoided.

In an alternative embodiment, the number of bristles 21 is several groups, and several groups of bristles 21 are evenly distributed on the top of the brush plate 19.

It should be noted that the bottom of the smoke sensor body 3 can be cleaned thoroughly.

In addition, the components of the smoke sensor equipment for preventing misjudgment provided by the invention are all universal standard components or components known by technicians in the field, the structure and the principle of the smoke sensor equipment are known by technicians in the field through technical manuals or conventional experimental methods, all the electric devices in the device are connected with a power element, the electric devices, an adaptive monitoring computer and a power supply through leads at the idle position of the device, the specific connection means refers to the following working principle, the electric devices are electrically connected in sequence, the detailed connection means is known in the field, the following main description of the working principle and the process is omitted, and the description of electric control is omitted.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A smoke sensor apparatus for preventing false positives, comprising a housing (1), characterized in that: the smoke sensor comprises a shell (1), a smoke sensor body (3) is fixedly mounted at the bottom of the shell (1), a connecting block (5) is fixedly mounted in the middle of the top of an inner cavity of the shell (1), a servo motor (6) is fixedly connected to the bottom of the connecting block (5), a reel (7) is fixedly connected to the outer end of a transmission shaft of the servo motor (6), a pull rope (8) is wound on the outer wall of the reel (7), a through hole (4) is formed in the right side of the bottom of the shell (1), the pull rope (8) penetrates through the through hole (4) and is fixedly connected with a sealing plate (11), a camera (13) is fixedly mounted on the right side of the top of the sealing plate (11), and a wireless remote;

an electric push rod (17) is fixedly installed on the left side of the bottom of an inner cavity of the shell (1), a piston rod of the electric push rod (17) penetrates through the bottom of the shell (1) and is fixedly connected with a lifting plate (18), a motor (20) is fixedly installed at the bottom of the lifting plate (18), a transmission shaft of the motor (20) penetrates through the lifting plate (18) and is fixedly connected with a brush plate (19), and bristles (21) are fixedly installed at the top of the brush plate (19);

the intelligent control cabinet is characterized in that a single chip microcomputer (15) and a wireless module (16) are fixedly mounted on the upper portion and the lower portion of the left side wall of the inner cavity of the shell (1), and a time relay (14) is fixedly mounted on the left side of the top of the inner cavity of the shell (1).

2. A false positive proof smoke sensor apparatus according to claim 1, wherein: the pull rope (8) comprises a steel wire rope (23), a lead (24) and a rubber sleeve (22), the steel wire rope (23) and the lead (24) are arranged in an inner cavity of the rubber sleeve (22), and the lead (24) is electrically connected with the camera (13).

3. A false positive proof smoke sensor apparatus according to claim 1, wherein: the equal fixed mounting of both sides wall of casing (1) has otic placode (2), mounting hole (25) have been seted up on the surface of otic placode (2).

4. A false positive proof smoke sensor apparatus according to claim 1, wherein: the signal output ends of the time relay (14) and the smoke sensor body (3) are connected with the signal input end of the single chip microcomputer (15), the signal output end of the single chip microcomputer (15) is connected with the signal input end of the external device (26) through the wireless module (16), and the signal output end of the single chip microcomputer (15) is connected with the signal input ends of the servo motor (6), the electric push rod (17) and the motor (20) through wires.

5. A false positive proof smoke sensor apparatus according to claim 1, wherein: and the signal channel of the singlechip (15) is communicated with the signal channel of the camera (13).

6. A false positive proof smoke sensor apparatus according to claim 1, wherein: the wireless remote control (12) is in signal communication with the smoke sensor body (3).

7. A false positive proof smoke sensor apparatus according to claim 1, wherein: the outer wall of the pull rope (8) is sleeved with a limiting ring (9) in a sliding mode, and the outer wall of the limiting ring (9) is fixedly connected with the inner wall of the shell (1) through a fixing rod (10).

8. A false positive proof smoke sensor apparatus according to claim 1, wherein: the number of the brush hairs (21) is a plurality of groups, and the brush hairs (21) of the plurality of groups are uniformly distributed on the top of the brush plate (19).