CN218384166U

CN218384166U - Fire alarm

Info

Publication number: CN218384166U
Application number: CN202222786725.0U
Authority: CN
Inventors: 邵永明; 张乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-23
Filing date: 2022-10-23
Publication date: 2023-01-24
Anticipated expiration: 2032-10-23

Abstract

The utility model relates to a coal mine safety production technical field, concretely relates to fire alarm, which comprises an outer shell, internal surface center department is close to top position fixedly connected with baffle around the shell, and internal surface center department top position runs through fixedly connected with air inlet cover around the shell, the dust screen of setting is convenient for prevent that the dust in the mine from getting into the surface of gas sensor and oxygen sensor, cause the measuring head jam of gas sensor and oxygen sensor, and during the in-service use, the slider through electric putter flexible drive one side goes up and down, and then under the linkage of two brushes, the slider and the brush that drive the opposite side go up and down, contact through brush and dust screen, realize cleaning of dust screen surface filtration's dust, guarantee the smooth circulation of air near gas sensor and oxygen sensor, and then guarantee the accuracy of testing result.

Description

Fire alarm

Technical Field

The utility model relates to a coal mine safety production technical field, concretely relates to fire alarm.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast coal mines, and when a coal seam is far from the surface of the ground, coal mining is generally selected to an underground excavation roadway, and the coal mining is the miners.

Because the degree of depth and the area in colliery are great to in the ground bottom of colliery depths, in order to guarantee the security of colliery in the mining process, need make the one ventilation three proofings work in colliery, do not make the technical management work to mine ventilation, prevention and cure gas, prevention and cure coal dust, fire prevention in the coal mine safety production promptly, settle corresponding quantity's ventilation unit in the mine promptly, but when ventilation unit because electric power or other factors damage stop work, the miner can't in time discover, the life safety of miner is influenced easily in trade down in the well.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The above-mentioned shortcoming that exists to prior art, the utility model provides a fire alarm, solved because the degree of depth and the area in colliery are great, and in the underground of colliery depths, in order to guarantee the security of colliery in the mining process, need make the work of the logical three proofings in colliery, make the mine ventilation to among the coal mine safety production promptly, prevent and treat gas, the prevention and cure coal dust, the technical management work of fire prevention and fire extinguishing, settle the ventilation unit of corresponding quantity in the mine promptly, but when ventilation unit damaged the stop work because of electric power or other factors, the unable discovery in time of miner, trade the problem of the life safety of miner is influenced in the well easily.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire alarm, includes the shell, the front and back internal surface center department of shell is close to top position fixedly connected with baffle, and the front and back internal surface center department top position of shell runs through fixedly connected with air inlet cover, one side surface center department of air inlet cover runs through fixedly connected with air velocity transducer, the rear side internal surface of shell is located a plurality of connecting plates of below fixedly connected with of baffle, and the rear side internal surface of shell is located the position of each connecting plate and has seted up the air intake respectively, and is a plurality of fixedly connected with exhaust fan is run through to the front side external surface center department of connecting plate, and the interior bottom of a plurality of connecting plates is provided with gas sensor, oxygen sensor and dust sensor respectively, two support frames of symmetrical fixedly connected with are located to the rear side external surface center department of shell, and fixedly connected with dust screen, two at the rear side external surface center department of support frame all runs through sliding connection has slider, two relative surface top and bottom position difference fixedly connected with brush of slider, rear side external surface top one side position fixedly connected with electric putter of shell.

Furthermore, the front and back inner surface of the shell is fixedly connected with a baffle, a battery panel is arranged on one side of the inner bottom of the shell, and the surface of the baffle is fixedly connected with the surface of one side of the partition and the connecting plates.

Furthermore, the other side positions of the front inner surface and the rear inner surface of the shell are respectively fixedly connected with a clamping block, the other side position of the inner bottom of the shell is connected with a circuit board in a sliding mode, the surfaces of the two clamping blocks are fixedly connected with the other side surfaces of the partition plate and the connecting plate, and the inner surfaces of the two clamping blocks are connected with a dust guard in a sliding mode.

Furthermore, the bottom position of the center of the outer surface of the front side of the shell penetrates through the fixedly connected air outlet pipe, and the front position of the surface of the air outlet pipe is arranged in an arc shape.

Furthermore, the telescopic end of the electric push rod is fixedly connected with the surface of the sliding part at one side position, and the front surface of the brush is in sliding connection with the rear surface of the dust screen.

Furthermore, the tops of two adjacent connecting plates are fixedly connected, and the top surface of the connecting plate at the top position is fixedly connected with the bottom of the adjacent partition plate.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. the utility model discloses in, with a plurality of shells evenly distributed and the installation is fixed in the mine, in the time of practical use, put into the panel and realize the power supply of power consumption component in the shell, the air velocity sensor who sets up is convenient for detect the air velocity in the air inlet cover, judge whether the air in the mine is in the circulation state with this, the extraction fan that sets up starts to be convenient for realize in the mine air through the air intake and then in the connecting plate, and through the gas sensor who sets up in the connecting plate, oxygen sensor and dust sensor detect the gas in the air respectively, oxygen concentration and dust volume size, and whether there is the naked light in the personnel remote judgement mine through oxygen content and the gas content that detect in the mine, and then be convenient for guarantee the mine safety detection before the miner gets into the well, and then guarantee miner's life safety.

2. The utility model discloses in, the dust screen that sets up is convenient for prevent that the dust in the mine from getting into the surface of gas sensor and oxygen sensor, cause gas sensor and oxygen sensor's detection head to block up, and during the in-service use, the slider through the flexible drive one side of electric putter goes up and down, and then under the joint action of two brushes, the slider and the brush that drive the opposite side go up and down, through the contact of brush and dust screen, realize cleaning of dust screen surface filtration's dust, guarantee the smooth circulation of air near gas sensor and oxygen sensor, and then guarantee the accuracy of testing result.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of a fire alarm;

FIG. 2 is a rear view of the fire alarm of FIG. 1;

FIG. 3 is a schematic top view of the fire alarm of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the fire alarm of FIG. 1;

the reference numerals in the drawings represent: 1. a housing; 2. an air inlet cover; 3. an air outlet pipe; 4. a dust guard; 5. a clamping block; 6. a partition plate; 7. a wind speed sensor; 8. a battery panel; 9. a baffle plate; 10. a support frame; 11. a dust screen; 12. a brush; 13. an electric push rod; 14. a slider; 15. an air inlet; 16. a circuit board; 17. a gas sensor; 18. an oxygen sensor; 19. a dust sensor; 20. a connecting plate; 21. an exhaust fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The fire alarm of the embodiment comprises a shell 1, a clapboard 6 is fixedly connected at the position close to the top of the center of the front and back inner surfaces of the shell 1, an air inlet cover 2 is fixedly connected at the top of the center of the front and back inner surfaces of the shell 1 in a penetrating way, an air speed sensor 7 is fixedly connected at the center of the outer surface of one side of the air inlet cover 2 in a penetrating way, a plurality of connecting plates 20 are fixedly connected at the inner surface of the rear side of the shell 1 below the clapboard 6, an air inlet 15 is respectively arranged at the position of the inner surface of the rear side of the shell 1 at each connecting plate 20, a suction fan 21 is fixedly connected at the center of the outer surface of the front side of the connecting plates 20 in a penetrating way, a gas sensor 17, an oxygen sensor 18 and a dust sensor 19 are respectively arranged at the inner bottom of the connecting plates 20, two support frames 10 are symmetrically and fixedly connected at the center of the outer surface of the rear side of the shell 1, the dust screen 11 is fixedly connected to the center of the outer surface of the rear side of the housing 1, the sliding parts 14 are slidably connected to the centers of the surfaces of the two supporting frames 10, the top and the bottom of the opposite surfaces of the two sliding parts 14 are fixedly connected with the brushes 12, the electric push rod 13 is fixedly connected to one side of the top of the outer surface of the rear side of the housing 1, the housing 1 is installed and fixed in a mine, the air inlet cover 2 is arranged to facilitate the air flowing in the mine to enter, the wind speed is measured in real time by the arranged wind speed sensor 7, when the measured wind speed is zero, the air in the mine is indicated not to flow, as shown in figure 4, three connecting plates 20 are arranged, and when the air extracting fan 21 is started, the air in the mine enters the corresponding connecting plate 20, the dust screen 11 covers the positions of the two air inlets 15 above the mine, dust from the mine air is prevented from entering both of the plates 20 above.

As shown in fig. 1, baffles 9 are fixedly connected to one side of the front and rear inner surfaces of the housing 1, a battery panel 8 is arranged on one side of the inner bottom of the housing 1, the surface of each baffle 9 is fixedly connected to one side of the partition 6 and one side of the connecting plates 20, the baffles 9 are convenient for installation of the battery panel 8, and the battery panel 8 is convenient for supplying power to the electric elements in the housing 1.

As shown in fig. 1, the front and rear inner surfaces of the housing 1 are fixedly connected with the fixture blocks 5 at the other side positions respectively, the inner bottom of the housing 1 is slidably connected with the circuit board 16 at the other side position, the surfaces of the two fixture blocks 5 are fixedly connected with the other side surfaces of the partition board 6 and the connecting board 20, the inner surfaces of the two fixture blocks 5 are slidably connected with the dust guard 4, the arranged circuit board 16 is convenient for realizing the circuit processing of the electric elements in the housing 1 and ensuring the safe use of the circuit, and the dust guard 4 is convenient for the dust in the mine to be stained on the surface of the house circuit board 16.

As shown in fig. 1, the bottom position of the center of the front outer surface of the housing 1 penetrates through the air outlet pipe 3, and the front surface of the air outlet pipe 3 is arc-shaped, so that the air extracted by the extraction fan 21 cannot enter the air inlet cover 2, thereby affecting the judgment of the air velocity sensor 7.

As shown in fig. 2, the telescopic end of the electric push rod 13 is fixedly connected with the surface of the sliding part 14 at one side position, and the front surface of the brush 12 is slidably connected with the rear surface of the dust screen 11, so that the sliding part 14 can move by the telescopic end of the electric push rod 13.

As shown in fig. 4, the tops of two adjacent connection plates 20 are fixedly connected, and the top surface of the connection plate 20 at the top position is fixedly connected with the bottom of the adjacent partition plate 6, so that the space division in the housing 1 is facilitated.

The working principle is that a plurality of shells 1 are uniformly distributed and fixedly installed in a mine, when the device is in actual use, a battery panel 8 is placed to supply power to an electric element in the shell 1, an air velocity sensor 7 is arranged to detect the air velocity in an air inlet cover 2 conveniently, so that whether air in the mine is in a circulating state is judged, a set suction fan 21 is started to realize that air in the mine passes through an air inlet 15 and then enters a connecting plate 20, a gas sensor 17, an oxygen sensor 18 and a dust sensor 19 which are arranged in the connecting plate 20 detect gas, oxygen concentration and dust quantity in the air respectively, personnel can remotely judge whether open fire exists in the mine by detecting the oxygen content and the gas content in the mine conveniently, and when the device is in actual use, the sliding piece 14 on one side is driven to lift through stretching of an electric push rod 13, the sliding piece 14 and a brush 12 on the other side are driven to lift, the dust filtered on the surface of a dust screen 11 is cleaned through contact of the brush 12 and the dust screen 11, smooth air circulation near the gas sensor 17 and the oxygen sensor 18 is ensured, and the accuracy of a detection result is further ensured.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a fire alarm, its characterized in that, includes shell (1), the front and back internal surface center department of shell (1) is close to top position fixedly connected with baffle (6), and the front and back internal surface center department top position of shell (1) runs through fixedly connected with air inlet cover (2), one side surface center department of air inlet cover (2) runs through fixedly connected with air velocity transducer (7), the rear side internal surface of shell (1) is located a plurality of connecting plates (20) of below fixedly connected with of baffle (6), and the position that the rear side internal surface of shell (1) is located each connecting plate (20) has seted up air intake (15) respectively, and is a plurality of the front side external surface center department of connecting plate (20) runs through fixedly connected with exhaust fan (21), and the interior bottom of a plurality of connecting plates (20) is provided with gas sensor (17), oxygen sensor (18) and dust sensor (19) respectively, the rear side external surface center department symmetry fixedly connected with two support frames (10) of shell (1), and the rear side external surface center department fixedly connected with dust screen (11), two support frames (10) the equal sliding part sliding parts of sliding part fixedly connected with push rod (14) and top fixed surface (14) respectively, the top position of sliding part (12) is connected with electric brush (12) top position (12) relatively ).

2. A fire alarm according to claim 1 characterised in that the front and rear inner surfaces of the housing (1) are each fixedly connected to a baffle (9), and the inner bottom of the housing (1) is provided with a battery plate (8), the surface of the baffle (9) being fixedly connected to the surface of one of the baffles (6) and the connecting plates (20).

3. A fire alarm according to claim 1, wherein the other side of the front and rear inner surfaces of the housing (1) is fixedly connected with a fixture block (5), the other side of the inner bottom of the housing (1) is slidably connected with a circuit board (16), the surfaces of the two fixture blocks (5) are fixedly connected with the other side surfaces of the partition plate (6) and the connecting plate (20), and the inner surfaces of the two fixture blocks (5) are slidably connected with the dust guard (4).

4. A fire alarm according to claim 1, characterised in that the air outlet pipe (3) is fixedly connected to the central bottom position of the front outer surface of the housing (1), and the front position of the surface of the air outlet pipe (3) is arc-shaped.

5. A fire alarm as claimed in claim 1, characterised in that the telescopic end of the power push rod (13) is fixedly connected to the surface of a side-positioned slider (14), and the front surface of the brush (12) is slidably connected to the rear surface of the dust screen (11).

6. A fire alarm according to claim 1 wherein the tops of two adjacent plates (20) are fixedly connected and the top surface of the plate (20) at the top is fixedly connected to the bottom of the adjacent panel (6).