CN213149938U

CN213149938U - Fire detector

Info

Publication number: CN213149938U
Application number: CN202021793854.7U
Authority: CN
Inventors: 马永哲
Original assignee: Beijing Anpulu Safety Technology Co ltd
Current assignee: Beijing Anpulu Safety Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-07
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a fire detector, the on-line screen storage device comprises a base, be equipped with the cover body on the base, install the looks on the base the rotatable cigarette of base is felt and is surveyed the body, the cigarette is felt and is surveyed and be equipped with a plurality of cigarettes on the body and feel the detecting head, seted up on the cover body with the cigarette feels the shutter that admits air that the detecting head corresponds, wear to be equipped with a fixed cover on the cigarette is felt and is surveyed the body, a actuating lever is established to fixed inside cover of cover, the top of actuating lever is connected with the drive reciprocating motion's actuating mechanism is done to the actuating lever, it is clean that the bottom of actuating. The utility model discloses can accurately detect the conflagration dangerous situation, conveniently clear up inside pollutant and impurity, the perception rate of accuracy is high, ensures personal property safety.

Description

Fire detector

Technical Field

The utility model belongs to the technical field of the fire detection alarm technique and specifically relates to a fire detector is related to.

Background

The fire detector is used for detecting the possibility of fire, and is a common monitoring device for factory buildings, residential buildings and office buildings so as to avoid personal and property safety problems caused by fire. Most of the existing structures of the fire detector are provided with holes on a closed shell for hot air flow or smoke to enter a sensing area, but the existing structures of the fire detector have the following defects: dust, dust and smoke particles around the detector can enter the sensing area from the opening on the shell, and the sensing of the device is insensitive to influence the detection effect after long-time use.

The fire detector with the cleaning function on the market can be cleaned only by hand, and the detector is placed at a higher position, so that the fire detector can be cleaned only by pressing the handle by means of the outer part during cleaning, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire detector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fire detector comprises a base, a cover body is arranged on the base, a smoke detection body is arranged on the base, a plurality of smoke detection heads are arranged on the smoke detection body, an air inlet shutter corresponding to the smoke detection heads is arranged on the cover body, and the fire detector is characterized in that,

a cavity is arranged between the base and the smoke detection body;

wear to be equipped with a fixed cover on the body is surveyed to cigarette sense, a actuating lever is established to fixed cover inside cover, the top of actuating lever is connected with the drive the actuating lever is reciprocating motion's actuating mechanism, the bottom of actuating lever is passed through the gear assembly and is connected a cleanness the clean brush of cigarette sense detecting head.

Preferably, the fixed sleeve is fixedly connected with the smoke detection body, the fixed sleeve partially extends out of the smoke detection body and is in a square design, and the central positions of the four side walls are provided with up-and-down slots.

Preferably, the top end of the driving rod extends out of the cavity, and the bottom end of the driving rod extends out of the fixing sleeve and is located in a space formed by the cover body and the smoke detection body.

Further preferably, the driving rod is designed in a square shape, first racks are vertically arranged at the center positions of the four walls, the first racks and the groove are designed coaxially, and the width of each first rack is larger than that of the groove.

Preferably, the driving mechanism comprises a first gear in meshed connection with the first rack, and a driving motor for driving the first gear to rotate.

Preferably, the gear assembly is fixed on the fixing sleeve through a support frame, and the gear assembly comprises a second gear in meshed connection with the first rack and a third gear in meshed connection with the second gear.

Further preferably, four groups of support frames are arranged, each support frame is W-shaped and is fixed at four corners of the fixed sleeve extending out of the smoke detection body.

Preferably, the back of the cleaning brush is provided with a second rack, and the second rack is in meshed connection with the third gear.

Preferably, a rope penetrates through the cleaning brush, one end of the rope is fixed on the fixing sleeve, and the other end of the rope is fixed on the inner wall of the cover body.

Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model discloses can accurately detect conflagration dangerous situation to it is rotatory through the meshing between the gear, make clean brush carry out reciprocating motion on the cigarette sense probe, realize clearing up inside pollutant and impurity, the perception rate of accuracy is high, ensures personal property safety.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the smoke detector body of the present invention.

Wherein, 10-base; 20-a cover body; 30-smoke detection body; 40-smoke detector head; 50-an air intake louver; 61-fixing the sleeve; 62-a drive rod; 63-a first gear; 64-a drive motor; 65-a second gear; 66-third gear; 67-cleaning brush; 671-rope; 80-sewage draining outlet

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.

As shown in fig. 1, a fire detector comprises a base 10, a cover 20 is arranged on the base, a smoke detection body 30 is arranged on the base 10, a plurality of smoke detection heads 40 are arranged on the smoke detection body 30, an air inlet shutter 50 corresponding to the smoke detection heads 40 is arranged on the cover 20, wherein,

a cavity 11 is arranged between the base 10 and the smoke detection body 30;

wear to be equipped with a fixed cover 61 on the body 30 is surveyed to the cigarette sense, a actuating lever 62 is established to the inside cover of fixed cover 61, the top of actuating lever 62 is connected with the drive actuating lever 62 is reciprocating motion's actuating mechanism, the bottom of actuating lever 62 is passed through the gear assembly and is connected a cleanness the clean brush 67 of detecting head is felt to the cigarette.

The fixed sleeve 61 is fixedly connected with the smoke detection body 30, the part of the fixed sleeve 61 extends out of the smoke detection body 30, the smoke detection body is in a square design, and the center positions of the four side walls are provided with up and down slots.

The top end of the driving rod 62 extends out of the cavity 11, and the bottom end of the driving rod 62 extends out of the fixing sleeve 31 and is located in a space formed by the cover body 20 and the smoke detection body 30.

The driving rod 62 is in a square design, first racks are arranged at the center positions of the four walls, the first racks are arranged up and down, the first racks and the grooves are coaxially designed, and the width of each first rack is larger than that of each groove.

The driving mechanism comprises a first gear 63 in meshed connection with the first rack, and a driving motor 64 for driving the first gear 63 to rotate.

The gear assembly is fixed on the fixing sleeve 61 through a support frame 70, and the gear assembly comprises a second gear 65 in meshed connection with the first rack and a third gear 66 in meshed connection with the second gear 65.

The support frame is equipped with four groups, and every support frame is "W" type, all is fixed in and stretches out the fixed cover four angles of body are surveyed to the cigarette sense.

The back of the cleaning brush 67 is provided with a second rack which is engaged with the third gear 66.

A rope 671 is threaded in the cleaning brush 67, one end of the rope 671 is fixed on the fixing sleeve 61, and the other end is fixed on the inner wall of the cover body 20.

The drive motor 64 and the smoke detector head 40 in this embodiment are connected to a main controller (not shown) that is mounted in the cavity 11 and that controls the start and stop of the drive motor 64.

The smoke detector head 40 sends the detected smoke information to the main controller, the main controller controls whether to start the fire extinguishing device, and after the fire extinguishing is finished, the main controller controls the driving motor 64 to start cleaning.

The working principle of the embodiment is that gas enters the cover body 20 from the air inlet shutter 40, the smoke detection head 40 is used for detecting smoke and hot air flow, and the main controller receives a detection signal of the smoke detection head 40 and analyzes and outputs an alarm signal.

In a normal state, the cleaning brush 67 is staggered with the smoke detection head 40, and the cleaning brush 67 is positioned at one side of the smoke detection head 40 and beside the fixed sleeve 61.

When the interior of the cover body 12 is cleaned, the driving motor 64 drives the first gear 63 to rotate, the driving rod 62 engaged with the first gear 63 moves downwards, the second gear 62 engaged with the driving rod 62 rotates and drives the third gear 66 to rotate, and the third gear 66 rotates and drives the cleaning brush connected with the third gear 66 to reciprocate to clean the smoke detector head 40.

After cleaning, the cleaning brush 67 returns to one side of the fixing sleeve 61 to avoid affecting the sensitivity of the smoke detector head 40.

Pollutants and impurities swept down by the cleaning brush 37 can be poured out from the sewage outlet 80, particularly when the base 10 and the cover body 20 are inversely arranged on the top wall 1 of the detection area, the pollutants and the impurities can be directly fallen down and discharged from the sewage outlet 80, the use is convenient, and the sensing accuracy is ensured. The embodiment can accurately detect fire hazard danger, conveniently clear up inside pollutant and impurity, and the perception rate of accuracy is high, ensures personal and property safety.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fire detector comprises a base (10), a cover body (20) is arranged on the base, a smoke detection body (30) is arranged on the base (10), a plurality of smoke detection heads (40) are arranged on the smoke detection body (30), an air inlet shutter (50) corresponding to the smoke detection heads (40) is arranged on the cover body (20), and the fire detector is characterized in that,

a cavity (11) is arranged between the base (10) and the smoke detection body (30);

wear to be equipped with a fixed cover (61) on the body (30) is surveyed to the cigarette sense, a actuating lever (62) is established to fixed cover (61) inside cover, the top of actuating lever (62) is connected with the drive reciprocating motion's actuating mechanism is done in actuating lever (62), it is clean that the bottom of actuating lever (62) is passed through the gear assembly and is connected a clean brush (67) that the detector was felt to the cigarette.

2. A fire detector as claimed in claim 1, wherein the fixing sleeve (61) is fixedly connected to the smoke detection body (30), the fixing sleeve (61) partially extends out of the smoke detection body (30) and is of a square design, and a slot is formed at the center of each of the four side walls.

3. A fire detector as claimed in claim 1, characterised in that the top end of the drive rod (62) extends out of the cavity (11) and the bottom end of the drive rod (62) extends out of the retaining sleeve (61) into the space formed by the cover (20) and the smoke sensing body (30).

4. A fire detector as claimed in claim 2, characterised in that the drive rod (62) is of square design, the centre of the four walls being provided with a first rack arranged one above the other, the first rack being of coaxial design with the slot and the width of the first rack being greater than the width of the slot.

5. A fire detector according to claim 4, characterised in that the drive mechanism comprises a first gear wheel (63) in meshing connection with the first gear rack, and a drive motor (64) for driving the first gear wheel (63) in rotation.

6. A fire detector as claimed in claim 4, characterised in that the gear assembly is secured to the harness (61) by a support bracket (70), the gear assembly comprising a second gear (65) in meshing engagement with the first rack, and a third gear (66) in meshing engagement with the second gear (65).

7. A fire detector as claimed in claim 6, wherein the support brackets (70) are provided in four sets, each support bracket (70) is W-shaped, and both ends of the support bracket (70) are fixed to four corners of the fixing cover (61) extending from the smoke detection body (30).

8. A fire detector as claimed in claim 6, characterised in that the cleaning brush (67) has a second rack on its rear side, which second rack is in meshing connection with the third gear wheel (66).

9. A fire detector as claimed in claim 7, characterised in that a cord (671) is threaded into the cleaning brush (67), the cord (671) being secured at one end to the harness (61) and at the other end to the inner wall of the housing (20).