CN211927767U

CN211927767U - Portable methane detection alarm

Info

Publication number: CN211927767U
Application number: CN202020620560.8U
Authority: CN
Inventors: 吕劲松; 吴李; 吕春江; 朱为保; 童连唐; 刘磊
Original assignee: Huainan City Songjiang Electronic LLC
Current assignee: Huainan City Songjiang Electronic LLC
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-13
Anticipated expiration: 2030-04-23

Abstract

The utility model belongs to the technical field of methane detects, specifically disclose a portable methane detects alarm, including first elastic cord and dustproof filter screen, the inside of first elastic cord is provided with the magic and pastes, and the right side of first elastic cord is provided with the buckle, the right side of buckle is provided with the display screen, and the top of display screen is provided with the vocal hole, the top in vocal hole is provided with the supporting seat, and the top of supporting seat is provided with the sensor, the left and right sides of dustproof filter screen all is provided with the draw-in groove, and the dustproof filter screen is located the inside of sensor. This portable methane detects alarm device compares in-process convenient to carry who uses with current alarm device to can not influence user's normal work, can detect unknown space and airtight space, can handle the gas that gets into simultaneously, be difficult to by in the impurity entering equipment in the outside air, thereby can not influence the life of device, can be fine satisfies people's user demand.

Description

Portable methane detection alarm

Technical Field

The utility model relates to a methane detects technical field, specifically is a portable methane detects alarm.

Background

The methane detection alarm instrument is suitable for being matched with a coal mine underground individual for carrying out underground gas measurement and detection, can be applied to places with humidity, shade, much dust and the like for detecting hydrocarbon compound combustible gas, is mainly applied to explosive environments needing to detect methane, such as mines, methane gas filling stations and various methane users, displays the methane content in the air in a numerical mode, and can give out audible and visual alarm when the methane content in the air exceeds an early warning value.

Current methane detection alarm device carries inconveniently at the in-process that uses to influence user's normal work easily, and can't detect unknown space and airtight space, can't handle the gas that gets into simultaneously, in being got into equipment by the impurity in the outside air easily, thereby influence the life of device, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current alarm device basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable methane detects alarm to provide general methane and detect alarm in solving above-mentioned background art, it is inconvenient to carry at the in-process that uses, and influence user's normal work easily, and can't detect unknown space and airtight space, can't handle the gas that gets into simultaneously, in the impurity entering equipment in the air of easy by the outside, thereby influence the life of device, can't be fine satisfies people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: a portable methane detection alarm comprises a first elastic band and a dustproof filter screen, wherein a magic tape is arranged inside the first elastic band, a buckle is arranged on the right side of the first elastic band, a display screen is arranged on the right side of the buckle, a sound-raising hole is formed above the display screen, a supporting seat is arranged above the sound-raising hole, a sensor is arranged above the supporting seat, clamping grooves are formed in the left side and the right side of the dustproof filter screen, the dustproof filter screen is positioned inside the sensor, a clamping block is arranged inside the clamping grooves, a heating wire is arranged below the clamping block, a groove is formed outside the display screen, a shell is arranged outside the groove, a second elastic band is arranged on the right side of the shell, a magic female tape is arranged inside the second elastic band, a threaded hole is formed below the shell, and a telescopic rod is arranged below the threaded hole, the rear end of the shell is provided with a battery box, and heat dissipation holes are formed in the upper portion of the battery box.

Preferably, the first elastic band is of a detachable structure buckled between the shells, and the first elastic band and the second elastic band are symmetrically distributed on the left side and the right side of the shells.

Preferably, the display screen is movably connected with the shell through the groove, and the display screen is tightly attached to the inner part of the groove.

Preferably, the speaker holes and the shell are of an integrated structure, and the speaker holes are symmetrically distributed on the left side and the right side above the display screen.

Preferably, the dustproof filter screen is connected with the sensor in a clamping mode through matching between the clamping block and the clamping groove, and the inner size of the clamping block is matched with the outer size of the clamping groove.

Preferably, the heating wire is fixedly connected with the sensor, and the heating wire is arranged to be of a spiral structure.

Preferably, the telescopic rod is of a detachable structure through the threaded hole and the shell, and the telescopic rod is perpendicular to the lower portion of the shell.

Preferably, the radiating holes and the shell are of an integrated structure, and the radiating holes are equidistantly distributed above the battery box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first elastic cord, buckle, display screen and recess can wear the device on the waist through the cooperation of first elastic cord and second elastic cord through magic son subsides and the female subsides of magic to can not influence user's normal work when detecting outside methane concentration at any time, can in time effectively transmit the detected information to the user, can show the detected data information on the display screen simultaneously, can audio-visual performance give the user, and can not cause the damage of display screen and drop because of colliding with and use between the attempt;

2. the utility model discloses a sound-emitting hole, dustproof filter screen, draw-in groove, heating wire and heating wire, can be isolated the dust and the impurity in the outside air in the sensor, can not lead to the jam of sensor because of the entering of dust, thereby can not influence the sensitivity of sensor, heat the air that gets into simultaneously and dry, can not lead to the damage and the corruption of components and parts in the equipment because of the moisture in the entering air, the better life who prolongs the device, and can transmit alarm information to the user, the transmission efficiency of sound has been increased and the volume transmission is even, can not lead to the user not to hear alarm information because of noise around;

3. the utility model discloses a screw hole, telescopic link, battery case and louvre can be suitable for the use in airtight space, because airtight space personnel can not be clear to the space situation and can not get into easily, consequently can be fine protection user, can use more places, can keep the temperature in the device within a safe scope all the time simultaneously, can go out the timely transmission of heat that components and parts distribute in the equipment, can not lead to inside components and parts to damage because of the heat.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic rear view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a first elastic band; 2. a magic tape; 3. buckling; 4. a display screen; 5. a sound-raising hole; 6. A supporting seat; 7. a sensor; 8. a dustproof filter screen; 9. a card slot; 10. a clamping block; 11. an electric heating wire; 12. A groove; 13. a housing; 14. a second elastic band; 15. a magic female sticker; 16. a threaded hole; 17. a telescopic rod; 18. a battery case; 19. and (4) heat dissipation holes.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a portable methane detection alarm comprises a first elastic band 1 and a dustproof filter screen 8, wherein a magic tape 2 is arranged inside the first elastic band 1, a buckle 3 is arranged on the right side of the first elastic band 1, the first elastic band 1 is of a detachable structure between a shell 13 through the buckle 3, the first elastic band 1 and a second elastic band 14 are symmetrically distributed on the left side and the right side of the shell 13, the device can be worn on the waist through the first elastic band 1 and the second elastic band 14 through the cooperation of the magic tape 2 and a magic mother tape 15, so that the normal work of a user can be not influenced while the external methane concentration can be detected at any time, the detection information can be timely and effectively transmitted to the user, a display screen 4 (model: XK01) is arranged on the right side of the buckle 3, a sound raising hole 5 is arranged above the display screen 4, and the shell 13 are movably connected through a groove 12, the display screen 4 is tightly attached to the inside of the groove 12, and meanwhile, the detection data information can be displayed on the display screen 4, so that the detection data information can be visually displayed to a user, and the damage and the falling of the display screen 4 caused by collision and use between attempts can be avoided;

a supporting seat 6 is arranged above the sound-emitting hole 5, a sensor 7 (model: GKD127) is arranged above the supporting seat 6, the sound-emitting hole 5 and the shell 13 are of an integrated structure, the sound-emitting holes 5 are symmetrically distributed on the left side and the right side above the display screen 4, alarm information can be transmitted to a user, the transmission efficiency of sound is increased, the volume is transmitted uniformly, the user cannot hear the alarm information due to surrounding noise, clamping grooves 9 are formed in the left side and the right side of the dustproof filter screen 8, the dustproof filter screen 8 is positioned in the sensor 7, the dustproof filter screen 8 is connected with the sensor in a clamping mode through the matching between the clamping blocks 10 and the clamping grooves 9, the inner size of the clamping blocks 10 is matched with the outer size of the clamping grooves 9, dust and impurities in external air can be isolated outside the sensor 7, and the sensor 7 cannot be blocked due to the entering of the dust, therefore, the sensitivity of the sensor 7 cannot be influenced, the clamping block 10 is arranged in the clamping groove 9, the electric heating wire 11 is arranged below the clamping block 10, the electric heating wire 11 is fixedly connected with the sensor 7, the electric heating wire 11 is in a spiral structure, and meanwhile, the entering air is heated and dried, so that the damage and corrosion of components in the device due to moisture in the entering air cannot be caused, and the service life of the device is prolonged;

the display screen 4 is provided with a groove 12 on the outside, a shell 13 is arranged on the outside of the groove 12, a second elastic band 14 is arranged on the right side of the shell 13, a magic female sticker 15 is arranged inside the second elastic band 14, a threaded hole 16 is arranged below the shell 13, a telescopic rod 17 (model: LYG1) is arranged below the threaded hole 16, the telescopic rod 17 is in a detachable structure with the shell 13 through the threaded hole 16, the telescopic rod 17 is perpendicular to the lower part of the shell 13 and can be suitable for using a closed space, because the closed space is not clear and can not be easily entered, a user can be well protected, more places can be used, a battery box 18 is arranged at the rear end of the shell 13, heat dissipation holes 19 are arranged above the battery box 18, the heat dissipation holes 19 and the shell 13 are in an integrated structure, and the heat dissipation holes 19 are equidistantly distributed above the battery box, meanwhile, the temperature in the device can be always kept within a safe range, heat emitted by components in the equipment can be timely transmitted out, and the damage to the internal components caused by the heat can be avoided.

The working principle is as follows: when the portable methane detection alarm is used, firstly, the dustproof filter screen 8 is arranged above the sensor 7 through the matching between the clamping groove 9 and the clamping block 10, then the first elastic belt 1 and the second elastic belt 14 are arranged through the clamping buckle 3, and the display screen 4 is clamped in the shell 13 through the groove 12, when the device is used, external air can pass through the dustproof filter screen 8 before entering the sensor 7, the dustproof filter screen 8 can filter dust and impurities in the air, the sensor 7 cannot be blocked due to long-time use, the filtered air can contact the heating wire 11, the spiral structure of the heating wire 11 can increase the contact area with the gas, so that the entering gas is dried, the corrosion of the device caused by humid air in the air is prevented, and the sensor 7 can be flameless combusted with the gas according to the characteristics of the sensor, the temperature makes the resistance of the sensing resistor change, break the balance, make it export stable current signal, pass through the enlargeing of later stage circuit again, with information display on display screen 4, and transmit danger signal for the user through vocal hole 5, under the condition of meetting airtight space and unclear environment, can pass through 16 threaded connection of screw hole under casing 13 with telescopic link 17, adjust telescopic link 17's length, stretch into the airtight space with the device and detect, protection user's that can be fine safety, and the temperature in the equipment that louvre 19 can be timely is got rid of, can not cause the damage of the interior high temperature of device and lead to equipment, this is exactly this portable methane and detects the theory of operation of alarm.

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. The utility model provides a portable methane detection alarm, includes first elastic cord (1) and dustproof filter screen (8), its characterized in that: the novel anti-dust elastic band is characterized in that a magic tape (2) is arranged inside the first elastic band (1), a buckle (3) is arranged on the right side of the first elastic band (1), a display screen (4) is arranged on the right side of the buckle (3), a sound-raising hole (5) is arranged above the display screen (4), a supporting seat (6) is arranged above the sound-raising hole (5), a sensor (7) is arranged above the supporting seat (6), clamping grooves (9) are formed in the left side and the right side of the dustproof filter screen (8), the dustproof filter screen (8) is located inside the sensor (7), a clamping block (10) is arranged inside the clamping groove (9), an electric heating wire (11) is arranged below the clamping block (10), a groove (12) is formed in the outer portion of the display screen (4), a shell (13) is arranged outside the groove (12), a second elastic band (14) is arranged on the right side of the shell, and the inside of second elastic cord (14) is provided with female subsides of magic (15), the below of casing (13) is provided with screw hole (16), and the below of screw hole (16) is provided with telescopic link (17), the rear end of casing (13) is provided with battery case (18), and the top of battery case (18) is provided with louvre (19).

2. The portable methane detection alarm according to claim 1, wherein: the first elastic band (1) is of a detachable structure between the shell (13) through the buckle (3), and the first elastic band (1) and the second elastic band (14) are symmetrically distributed on the left side and the right side of the shell (13).

3. The portable methane detection alarm according to claim 1, wherein: the display screen (4) is movably connected with the shell (13) through the groove (12), and the display screen (4) is tightly attached to the inside of the groove (12).

4. The portable methane detection alarm according to claim 1, wherein: the loudspeaker is characterized in that the loudspeaker is of an integrated structure between the loudspeaker holes (5) and the shell (13), and the loudspeaker holes (5) are symmetrically distributed on the left side and the right side above the display screen (4).

5. The portable methane detection alarm according to claim 1, wherein: the dustproof filter screen (8) is connected with the sensor (7) in a clamping mode through the matching between the clamping block (10) and the clamping groove (9), and the inner size of the clamping block (10) is matched with the outer size of the clamping groove (9).

6. The portable methane detection alarm according to claim 1, wherein: the electric heating wire (11) is fixedly connected with the sensor (7), and the electric heating wire (11) is arranged to be of a spiral structure.

7. The portable methane detection alarm according to claim 1, wherein: the telescopic rod (17) is of a detachable structure through the threaded hole (16) and the shell (13), and the telescopic rod (17) is perpendicular to the lower portion of the shell (13).

8. The portable methane detection alarm according to claim 1, wherein: the heat dissipation holes (19) and the shell (13) are of an integrated structure, and the heat dissipation holes (19) are equidistantly distributed above the battery box (18).