CN217506678U

CN217506678U - Air suction type smoke fire detector

Info

Publication number: CN217506678U
Application number: CN202221478858.5U
Authority: CN
Inventors: 王晨懿; 白刚; 贾科鹏
Original assignee: Shanxi Shuailida Mechanical And Electrical Engineering Co ltd
Current assignee: Shanxi Shuailida Mechanical And Electrical Engineering Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-27
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to the technical field of fire detectors, and discloses an air suction type smoke fire detector, which comprises a mounting plate, wherein the mounting plate is rectangular, four groups of through holes are arranged at the four corners of the top wall surface of the mounting plate in a penetrating way, the mounting plate is fixedly connected with the wall surface at a designated position through four groups of bolts, an air suction device is arranged below the mounting plate and comprises an air suction channel, a first motor and a plurality of groups of fan blades, the air outside enters the inner cavity of a labyrinth cover through a filtering hole on a protective cover by arranging the air suction device, the detector detects the air in the inner cavity of the labyrinth cover, judges whether to send signals to enable an alarm and an alarm lamp to execute alarm operation according to the detection result, wherein the protective cover can effectively prevent large foreign matters in the air from entering the inner part of the device to influence the use function, and drives a cleaning roller to do rotary motion along the inner cavity surface of the side wall of the protective cover through a rotary rod by the output end of a second motor, i.e. to achieve a self-cleaning function of the device.

Description

Air suction type smoke fire detector

Technical Field

The utility model relates to a fire detector technical field especially relates to a smoke fire detector is felt to formula of breathing in.

Background

Smoke detector can form early smog to the conflagration and survey, reach the purpose of the early warning of conflagration, air-breathing type smoke detector is smoke detector's one kind, can detect smog very early, send the warning sooner, in-service use has the warning accuracy, high durability and convenient use, advantages such as long service life, however, current air-breathing type smoke detector, install it at the space top more, do benefit to the later maintenance operation, and air-breathing type smoke detector often gets into the influence and uses and cause the damage even because of the impurity in insect or the air, consequently just need a make things convenient for the later maintenance operation and have self-cleaning function's novel air-breathing type smoke detector.

To this end, we propose an aspirating smoke fire detector.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides an air suction type smoke fire detector.

In order to achieve the purpose, the utility model adopts the following technical scheme that the air suction type smoke fire detector comprises a mounting plate, the mounting plate is in a rectangular shape, four groups of through holes are formed in the four corners of the wall surface at the top end of the mounting plate in a penetrating way, the mounting plate is fixedly connected with the wall surface at the appointed position through four groups of bolts, an air suction device is arranged below the mounting plate and comprises an air suction channel, a first motor and a plurality of fan blades, a protection device is arranged below the air suction channel and comprises a protection cover and a tray, a detection device is arranged in the inner cavity of the protection cover and comprises a detector and a labyrinth cover, a cleaning device is arranged on the tray and comprises a second motor, a rotary rod and a cleaning roller, a sealing device is arranged on the outer side wall surface of the air suction channel and comprises a first sealing ring and a second sealing ring, a tray and an alarm lamp are fixedly arranged on the side wall surface of the bottom, the alarm and the alarm lamp are both connected with the detector through electric signals.

Preferably, the circular tube shape that the air suction channel is the vertical state is placed at the mounting panel below position and with mounting panel bottom side wall face corresponding position fixed connection, air suction channel side wall face top is run through and has been seted up and be annular equidistant distribution multiunit venthole, air suction channel outside wall bottom is provided with the screw thread, first motor is the vertical state and places at air suction channel inner chamber central point, the top wall and the mounting panel bottom wall of first motor correspond position fixed connection, multiunit flabellum is annular equidistant distribution below position of first motor, the one end of multiunit flabellum all with the output fixed connection of first motor below.

As preferred, the protection casing is lower extreme open-ended cylindricly, evenly runs through on the protection casing lateral wall face and has seted up the multiunit and filter the hole, and protection casing top wall center department runs through and has seted up the through-hole of stepping down, and the protection casing cup joints in inspiratory channel outside wall middle part position through the through-hole of stepping down, and protection casing lateral wall face bottom position is provided with the screw thread, and the tray is the round basin form of vertical state and places under the protection casing position, and the tray inner chamber lateral wall face upper end position is seted up the screw thread, and the tray top opening part cup joints on protection casing lateral wall face bottom position.

Preferably, the labyrinth cover is placed on the central position of the inner cavity of the protective cover in a vertical state, threads are formed in the inner side wall surface of the opening above the labyrinth cover, the labyrinth cover is sleeved on the threads at the bottom end of the outer side wall surface of the air suction channel through the threads at the opening above the labyrinth cover, and the detector is fixedly connected to the central position of the inner cavity of the labyrinth cover through a connecting rod in a horizontal state.

Preferably, the second motor is vertical and is fixedly connected with the central position of the bottom side wall surface of the inner cavity of the tray, the rotary rod is horizontal and is fixedly connected with the output end of the upper end of the second motor, the cleaning roller is vertical and is rotatably connected to the top side wall surface of one end of the rotary rod far away from the second motor, and the outer side wall surface of the cleaning roller is uniformly provided with a hairbrush and is in friction contact with the side wall surface of the inner cavity of the protective cover.

Preferably, the first sealing ring and the second sealing ring are sleeved on the air suction channel, the first sealing ring is arranged between the protective cover and the air suction channel, and the second sealing ring is arranged between the protective cover and the labyrinth cover.

Advantageous effects

The utility model provides a formula of breathing in smoke fire detector. The method has the following beneficial effects:

(1) the air suction type smoke fire detector is provided with the air suction device, when the air suction type smoke fire detector is used, the output end of a first motor drives external air to enter an inner cavity of a labyrinth cover through a plurality of groups of fan blades, the detector detects the air in the inner cavity of the labyrinth cover, whether an alarm and an alarm lamp are started to execute alarm operation is judged according to a detection result, the air in the inner cavity of the labyrinth cover is discharged through a plurality of groups of air outlet holes in an air suction channel, wherein the protective cover can effectively prevent foreign matters such as external insects and the like from entering the inner part of the equipment to influence the use function, the labyrinth cover effectively prolongs the detention time of the external air and prevents the interference of the external light to the detector, the output end of a second motor drives a cleaning roller to do rotary motion along the side wall surface of the inner cavity of the protective cover through a rotary rod, the cleaning operation is executed to the protective cover, and the self-cleaning function of the equipment is realized, and the foreign matters such as dust and the like falling after being cleaned fall on the tray, and the tray can be cleaned regularly.

(2) This smoke fire detector is felt to formula of breathing in, through setting up protection casing, labyrinth cover and tray, because the protection casing cup joints at inspiratory channel outside wall middle part position through the through-hole of stepping down, and the tray cup joints on protection casing lateral wall bottom position through inner chamber lateral wall department screw thread, and the labyrinth cover cup joints on the screw thread of inspiratory channel outside wall bottom through the screw thread of top opening part, makes things convenient for the later maintenance to the operation of disassembling of this equipment promptly.

(3) This formula of breathing in smoke fire detector through setting up sealing device, because first sealing washer is located the protection casing and inhales between the passageway position and place, and the second sealing washer is located the protection casing and places with the position between the labyrinth cover, therefore the structural stability of this equipment has been strengthened simultaneously to first sealing washer is located the leakproofness that the protection casing has strengthened this equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a perspective view of the suction type smoke fire detector of the present invention;

FIG. 2 is an exploded view of the suction type smoke fire detector of the present invention;

fig. 3 is a perspective view of the suction type smoke fire detector of the present invention.

Illustration of the drawings: 10. mounting a plate; 11. an air suction passage; 12. a first motor; 13. a fan blade; 14. a detector; 15. a protective cover; 16. a yielding through hole; 17. a labyrinth cover; 18. a tray; 19. a second motor; 20. rotating the rod; 21. a cleaning roller; 22. a first seal ring; 23. and a second seal ring.

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.

An air suction type smoke fire detector is disclosed, as shown in fig. 1-3, comprising a mounting plate 10, the mounting plate 10 is rectangular, four groups of through holes are arranged at four corners of the top wall surface of the mounting plate 10, the mounting plate 10 is fixedly connected with the wall surface at a designated position through four groups of bolts, an air suction device is arranged below the mounting plate 10, the air suction device comprises an air suction channel 11, a first motor 12 and a plurality of groups of fan blades 13, the air suction channel 11 is vertically arranged at the lower position of the mounting plate 10 in a circular tube shape and fixedly connected with the corresponding position of the bottom wall surface of the mounting plate 10, a plurality of groups of air outlet holes are arranged at equal intervals in a ring shape at the top end of the side wall surface of the air suction channel 11, the bottom end of the outer side wall surface of the air suction channel 11 is provided with threads, the first motor 12 is vertically arranged at the center position of the inner cavity of the air suction channel 11, the top wall surface of the first motor 12 is fixedly connected with the corresponding position of the bottom wall surface of the mounting plate 10, a plurality of groups of fan blades 13 are distributed at the lower position of the first motor 12 at equal intervals in an annular shape, one end of each group of fan blades 13 is fixedly connected with the output end of the lower position of the first motor 12, a protection device is arranged below the air suction channel 11 and comprises a protection cover 15 and a tray 18, the protection cover 15 is in a cylindrical shape with an opening at the lower end, a plurality of groups of filter holes are uniformly arranged on the side wall surface of the protection cover 15 in a penetrating way, a yielding through hole 16 is arranged at the center of the top wall surface of the protection cover 15 in a penetrating way, the protection cover 15 is sleeved at the middle position of the outer side wall surface of the air suction channel 11 through the yielding through hole 16, threads are arranged at the bottom position of the outer side wall surface of the protection cover 15, the tray 18 is arranged at the position under the protection cover 15 in a round basin shape in a vertical state, threads are arranged at the upper end position of the side wall surface of the inner cavity of the tray 18, an opening above the tray 18 is sleeved at the bottom position of the side wall surface of the protection cover 15, a detection device is arranged in the inner cavity of the protection cover 15, the detection device comprises a detector 14 and a labyrinth cover 17, the labyrinth cover 17 is the prior art, and is not described again, the labyrinth cover 17 is placed at the central position of the inner cavity of the protective cover 15 in a vertical state, the inner side wall surface of the upper opening of the labyrinth cover 17 is provided with threads, the labyrinth cover 17 is sleeved on the threads at the bottom end of the outer side wall surface of the air suction channel 11 through the threads at the upper opening, the detector 14 is fixedly connected at the central position of the inner cavity of the labyrinth cover 17 through a connecting rod in a horizontal state, a cleaning device is arranged on the tray 18 and comprises a second motor 19, a rotating rod 20 and a cleaning roller 21, the outer side wall surface of the air suction channel 11 is provided with a sealing device, the second motor 19 is fixedly connected with the central position of the inner side wall surface of the inner cavity of the tray 18 in a vertical state, the rotating rod 20 is fixedly connected with the output end at the upper end of the second motor 19 in a horizontal state, the cleaning roller 21 is rotatably connected on the top side wall surface of the rotating rod 20 far away from the second motor 19 in a vertical state, evenly be provided with the brush on the clean roll 21 outside wall face and with 15 inner chamber side wall face frictional contact of protection casing, sealing device includes first sealing washer 22 and second sealing washer 23, first sealing washer 22 and second sealing washer 23 all cup joint on suction channel 11, first sealing washer 22 is located the protection casing 15 and places with suction channel 11 between the position, second sealing washer 23 is located the protection casing 15 and places with labyrinth cover 17 between the position, fixed mounting has alarm and alarm lamp on the side wall face at the bottom of tray 18, alarm and alarm lamp all have signal of telecommunication with detector 14 and are connected.

The utility model discloses smoke fire detector's theory of operation is felt to formula of breathing in: by arranging the air suction device, when in use, the output end of the first motor 12 drives the outside air to enter the inner cavity of the labyrinth cover 17 through the filter holes on the protective cover 15 by the plurality of groups of fan blades 13, the detector 14 detects the air in the inner cavity of the labyrinth cover 17, whether the alarm and the alarm lamp are started to execute the alarm operation is judged according to the detection result, the air in the inner cavity of the labyrinth cover 17 is discharged through the plurality of groups of air outlet holes on the air suction channel 11, wherein the protective cover 15 can effectively prevent foreign matters such as outside insects and the like from entering the equipment to influence the use function, the labyrinth cover 17 effectively prolongs the detention time of the outside air and prevents the interference of outside light to the detector 14, the output end of the second motor 19 drives the cleaning roller 21 to do rotary motion along the side wall surface of the inner cavity of the protective cover 15 by the rotary rod 20, the cleaning operation is executed to the protective cover 15, namely, the self-cleaning function of the equipment is realized, and the foreign matter such as dust fallen by the cleaning falls on the tray 18, and the tray 18 can be cleaned periodically.

Through setting up protection casing 15, labyrinth cover 17 and tray 18, because protection casing 15 cup joints in the 11 outside wall middle part positions of inspiratory channel through yielding through-hole 16, tray 18 cup joints on the 15 side wall bottom positions of protection casing through inner chamber side wall department screw thread, and labyrinth cover 17 cup joints on the screw thread of the 11 outside wall bottom of inspiratory channel through the screw thread of top opening part, makes things convenient for the later maintenance to the operation of disassembling of this equipment promptly.

By providing the sealing means, since the first sealing ring 22 is positioned between the protection cover 15 and the suction passage 11 and the second sealing ring 23 is positioned between the protection cover 15 and the labyrinth cover 17, the positioning of the first sealing ring 22 on the protection cover 15 enhances the sealing performance of the device and also enhances the structural stability of the device.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air-breathing smoke fire detector, comprising a mounting plate (10), characterized in that: the mounting plate (10) is rectangular, four groups of through holes are formed in the four corners of the top wall surface of the mounting plate (10) in a penetrating mode, the mounting plate (10) is fixedly connected with the wall surface of a designated position through four groups of bolts through the four groups of through holes, an air suction device is arranged below the mounting plate (10) and comprises an air suction channel (11), a first motor (12) and a plurality of groups of fan blades (13), a protection device is arranged below the air suction channel (11) and comprises a protection cover (15) and a tray (18), a detection device is arranged in the inner cavity of the protection cover (15) and comprises a detector (14) and a labyrinth cover (17), a cleaning device is arranged on the tray (18) and comprises a second motor (19), a rotating rod (20) and a cleaning roller (21), a sealing device is arranged on the outer side wall surface of the air suction channel (11) and comprises a first sealing ring (22) and a second sealing ring (23), an alarm and an alarm lamp are fixedly mounted on the bottom side wall surface of the tray (18), and the alarm lamp are both in electric signal connection with the detector (14).

2. A suction-type smoke fire detector as set forth in claim 1, wherein: the utility model discloses a suction channel (11) is including suction channel (11) and suction channel (11) the pipe form that is the vertical condition is placed and is corresponded position fixed connection in mounting panel (10) below position and with mounting panel (10) bottom side wall face, suction channel (11) side wall face top is run through to be seted up and is the equidistant multiunit venthole that distributes of annular, suction channel (11) outside wall bottom is provided with the screw thread, first motor (12) are the vertical condition and place at suction channel (11) inner chamber central point and put, the top wall of first motor (12) corresponds position fixed connection with mounting panel (10) bottom wall, multiunit flabellum (13) are the equidistant distribution of annular and put in first motor (12) below, the one end of multiunit flabellum (13) all with the output fixed connection of first motor (12) below.

3. A suction-type smoke fire detector as set forth in claim 1, wherein: protection casing (15) are lower extreme open-ended cylindricly, evenly run through on protection casing (15) the lateral wall face and seted up the multiunit filtration pore, protection casing (15) top wall center department runs through and has seted up and let a through-hole (16), protection casing (15) cup joint in inhalant passage (11) outside wall middle part position through letting a through-hole (16), protection casing (15) lateral wall bottom position is provided with the screw thread, tray (18) are the basin form of vertical state and place under protection casing (15) position, tray (18) inner chamber lateral wall upper end position seted up screw thread, tray (18) are cup jointed on protection casing (15) lateral wall bottom position through inner chamber lateral wall department screw thread.

4. A suction-type smoke fire detector as set forth in claim 1, wherein: labyrinth cover (17) are vertical state and place on protection casing (15) inner chamber central point puts, and labyrinth cover (17) top opening part inside wall face is seted up threadedly, and labyrinth cover (17) cup joint on the screw thread of inhaling passageway (11) outside wall bottom through the screw thread of top opening part, and detector (14) are horizontal state and pass through connecting rod fixed connection and put at labyrinth cover (17) inner chamber central point.

5. A suction-type smoke fire detector as set forth in claim 1, wherein: second motor (19) are vertical state and tray (18) inner chamber bottom side wall central point and put fixed connection, and rotary rod (20) are the output fixed connection of horizontality and second motor (19) upper end, and cleaning roller (21) are vertical state and rotate to connect on rotary rod (20) keep away from the one end top side wall of second motor (19), evenly be provided with the brush on cleaning roller (21) outside wall and with protection casing (15) inner chamber side wall friction contact.

6. A suction-type smoke fire detector as set forth in claim 1, wherein: first sealing washer (22) and second sealing washer (23) all cup joint on inhaling passageway (11), and first sealing washer (22) are located and place between protection casing (15) and inhaling passageway (11), and second sealing washer (23) are located and place between protection casing (15) and labyrinth cover (17).