CN222952759U

CN222952759U - Alarm for gas detection

Info

Publication number: CN222952759U
Application number: CN202421541630.5U
Authority: CN
Inventors: 周建军
Original assignee: Tangshan Port Shield Technology Co ltd
Current assignee: Tangshan Port Shield Technology Co ltd
Priority date: 2024-07-02
Filing date: 2024-07-02
Publication date: 2025-06-06
Anticipated expiration: 2034-07-02

Abstract

The utility model discloses an alarm for gas detection, which relates to the field of gas detection technology. It comprises a shell, wherein a battery, a controller and a gas detector body are sequentially arranged inside the shell from left to right, and an air inlet is opened on the side of the shell close to the gas detector body. By setting a mounting frame and bolts, the restrictions on the mounting frame can be released by screwing the bolts, and then the mounting frame and the filter net can be removed. After cleaning, the filter net and the mounting frame are put back to their original positions, and the bolts are tightened to fix the filter net, thereby realizing the rapid disassembly and assembly of the filter net, providing convenience for the staff to clean the filter net, reducing the risk of clogging the filter net mesh due to excessive dust and impurities in the filter net mesh, and promoting the circulation of gas in the air inlet, thereby effectively improving the sampling efficiency and detection accuracy of the gas detector body, and ensuring that the alarm can be issued quickly and accurately when toxic gas leaks.

Description

Alarm for gas detection

Technical Field

The utility model relates to the technical field of gas detection, in particular to an alarm for gas detection.

Background

The gas leakage detecting alarm is one kind of gas leakage detecting alarm instrument for detecting the leakage of inflammable or toxic gas in environment, and once the gas concentration reaching or exceeding the alarm value set by the alarm is detected, the alarm will emit sound and light alarm signal to prompt the personnel to take corresponding safety measures to ensure further safety production.

The utility model discloses a Chinese patent No. 220651410U, which discloses a gas alarm instrument for detecting toxic gas, comprising a base, wherein a universal wheel and a supporting frame are arranged below the base, a shell is arranged above the base, a shock pad is arranged around the inside of the shell, a gas detector, a main controller and a storage battery are assembled from left to right, one side of the shell, which is close to the gas detector, is provided with a gas outlet, the upper part of the gas detector is sequentially connected with a gas guide tube, a suction pump, a gas inlet and a guide cover, an alarm indicator lamp and an alarm are arranged above the shell, and the internal circuits of the alarm indicator lamp and the alarm are connected with the main controller. The utility model sucks the gas into the gas detector for analysis, if the toxic gas alarms by controlling the alarm through the master controller, and the alarm indicator lights flash, the alarm sent by the alarm can not be heard in the workshop, the rotation direction is adjustable, the gas with different flow directions can be detected conveniently according to the needs, the flexibility is strong, and the use is convenient.

In order to filter the gas, the gas alarm for detecting the toxic gas is provided with the filter hole on the surface of the air inlet, however, the gas alarm for detecting the toxic gas does not have the function of disassembling the filter hole, and dust and impurities in the gas can be remained in the filter hole when the external gas enters the air inlet, if the filter hole cannot be disassembled, the filter hole cannot be cleaned timely, the filter hole is blocked, the circulation rate of the gas in the air inlet is reduced, and the sampling efficiency and the detection accuracy of the gas alarm are further influenced.

Disclosure of utility model

The utility model provides an alarm for gas detection, which aims to solve the problems in the background technology.

The utility model provides a technical scheme that the alarm for gas detection comprises a shell, wherein a storage battery, a controller and a gas detector body are sequentially arranged in the shell from left to right, one side of the shell, which is close to the gas detector body, is provided with an air inlet, one side of the air inlet is fixedly provided with an air duct, one end of the air duct is fixedly provided with an air pump, one side of the air pump is fixedly connected with the gas detector body, the other side of the air inlet is movably provided with a filter screen, the outside of the filter screen is fixedly provided with a mounting frame, four corners of the mounting frame are respectively provided with a screw hole, bolts are movably arranged in the screw holes, and the connection relation between the bolts and the air inlet is movably inserted;

The bottom activity of casing is provided with the base, the inside of base is fixed to be provided with driving motor, driving motor's output shaft is fixed to be provided with first conical gear, one side activity of first conical gear is provided with second conical gear, second conical gear is connected for the meshing with first conical gear's relation of connection, the fixed threaded rod that is provided with of inner wall of second conical gear, the outside activity of threaded rod is provided with the screw thread section of thick bamboo, the screw thread section of thick bamboo is threaded connection with the relation of connection of screw thread pole.

Furthermore, an audible and visual alarm is fixedly arranged on one side of the top of the shell.

Further, an air outlet is formed below the air inlet.

Furthermore, a guide cover is fixedly arranged outside the air inlet, and the guide cover is funnel-shaped.

Further, the sliding drums are fixedly arranged on two sides of the inside of the base, and sliding rods are movably arranged in the sliding drums.

Further, the tops of the threaded cylinder and the sliding rod are fixedly connected with the shell.

Compared with the prior art, the utility model provides an alarm for gas detection, which comprises the following components

The beneficial effects are that:

1. This alarm for gas detection through setting up installing frame and bolt, twists the bolt, can remove the restriction to the installing frame, and then take off installing frame and filter screen, with filter screen and installing frame reconversion after wasing, screw down the bolt, fix the filter screen, thereby realize dismantling fast and the installation to the filter screen, the staff is convenient to the washing of filter screen, dust and impurity too much lead to the risk of filter screen mesh jam in the filter screen mesh has been reduced, the circulation of gas in the air inlet has been promoted, and then the sampling efficiency and the detection accuracy of gas detector body have been improved effectively, ensure can be rapidly, accurately send the alarm when toxic gas leaks.

2. This alarm for gas detection through setting up base, driving motor, first conical gear, second conical gear, the threaded rod, the screw thread section of thick bamboo, slide a section of thick bamboo and slide bar, driving motor's operation makes first conical gear rotate, because the meshing effect of first conical gear and second conical gear, second conical gear rotates along with the rotation of first conical gear, and then drive the threaded rod and rotate, under the cooperation of slide a section of thick bamboo and slide bar, the screw thread section of thick bamboo consequently moves vertically in the outside of threaded rod, thereby reach the purpose of adjusting the height of casing, so that according to the characteristic adjustment air inlet of waiting to detect, the application scope of the device is enlarged, further improve the accuracy that the gas detector body detected.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

fig. 3 is a structural cross-sectional view of the air intake of the present utility model.

1, A shell, 201, a storage battery, 202, a controller, 203, a gas detector body, 204, an audible and visual alarm, 205, an air outlet, 206, a guide cover, 301, an air pump, 302, an air duct, 303, an air inlet, 304, a filter screen, 305, a mounting frame, 306, a bolt, 401, a base, 402, a driving motor, 403, a first conical gear, 404, a second conical gear, 405, a threaded rod, 406, a threaded cylinder, 407, a sliding cylinder, 408 and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses an alarm for gas detection, which comprises a shell 1, wherein a storage battery 201, a controller 202 and a gas detector body 203 are sequentially arranged in the shell 1 from left to right, a gas inlet 303 is formed in one side, close to the gas detector body 203, of the shell 1, a gas guide pipe 302 is fixedly arranged on one side of the gas inlet 303, a suction pump 301 is fixedly arranged at one end of the gas guide pipe 302, one side of the suction pump 301 is fixedly connected with the gas detector body 203, a filter screen 304 is movably arranged on the other side of the gas inlet 303, a mounting frame 305 is fixedly arranged outside the filter screen 304, screw holes are formed in four corners of the mounting frame 305, bolts 306 are movably arranged in the screw holes, and the connection relation between the bolts 306 and the gas inlet 303 is movably inserted;

The bottom activity of casing 1 is provided with base 401, the inside fixed driving motor 402 that is provided with of base 401, driving motor 402's output shaft is fixed to be provided with first conical gear 403, one side activity of first conical gear 403 is provided with second conical gear 404, the relation of being connected of second conical gear 404 and first conical gear 403 is the meshing connection, the fixed threaded rod 405 that is provided with of inner wall of second conical gear 404, the outside activity of threaded rod 405 is provided with screw thread section of thick bamboo 406, the relation of being connected of screw thread section of thick bamboo 406 and threaded rod 405 is threaded connection.

Specifically, an audible and visual alarm 204 is fixedly disposed on one side of the top of the housing 1.

In this embodiment, through setting up audible and visual alarm 204, audible and visual alarm 204 can send out the alarm sound after being triggered, and the warning light also can flash to send out the warning to the staff, so that the staff in time should.

Specifically, the air outlet 205 is provided below the air inlet 303.

In this embodiment, the detected gas is discharged from the gas outlet 205 by providing the gas outlet 205, and meanwhile, the heat generated by the operation of each electrical device in the housing 1 is also dissipated through the circulation of the gas, so as to achieve the purpose of dissipating the heat inside the housing 1.

Specifically, the air inlet 303 is fixedly provided with a guide cover 206 at the outside, and the guide cover 206 is funnel-shaped.

In this embodiment, by providing the pod 206, the funnel-shaped pod 206 is able to effectively capture and concentrate airflow from different directions and direct it into the inlet 303, helping to increase the inlet efficiency and ensure a sufficient and stable airflow supply for the device or system.

Specifically, sliding drums 407 are fixedly arranged on two sides of the interior of the base 401, and sliding rods 408 are movably arranged in the sliding drums 407.

In this embodiment, by providing the slide cylinder 407 and the slide bar 408, the slide bar 408 moves along with the movement of the screw cylinder 406, and the screw cylinder 406 always moves in the vertical direction due to the box of the slide cylinder 407 to the slide bar 408.

Specifically, the tops of the threaded cylinder 406 and the slide rod 408 are fixedly connected with the housing 1.

In this embodiment, by providing the housing 1, the screw cylinder 406 and the slide rod 408, the housing 1 moves up and down as the screw cylinder 406 and the slide rod 408 move, thereby achieving the adjustment of the height of the housing 1.

When the device is used, the whole device is moved to an environment to be detected, the storage battery 201 supplies power to all electric equipment of the device, the driving motor 402 is started, the driving motor 402 drives the first bevel gear 403 to rotate, the second bevel gear 404 rotates along with the first bevel gear, the threaded rod 405 also rotates, the threaded cylinder 406 moves along the vertical direction under the cooperation of the sliding cylinder 407 and the sliding rod 408, the height of the shell 1 is further adjusted until the height of the air inlet 303 accords with the characteristic of the air to be detected, the accuracy of detection of the air detector body 203 is improved, the air pump 301 is started, the outside air enters from the air inlet 303, the filter screen 304 filters the air, dust and impurities in the air are reserved in the mesh of the filter screen 304, the dust and impurities are prevented from entering the air pump 301, the service life of the air pump 301 is prolonged, the filtered air enters the air detector body 203 through the air duct 302, after the air detector body 203 detects the air, the detection result is sent to the controller 202, and when the toxic air concentration is greater than or equal to the set alarm value, the audible-visual alarm 204 starts to operate, and the operator can exhaust the air from the air outlet 205.

When the filter screen 304 needs to be cleaned, the bolts 306 are screwed, the limit of the mounting frame 305 is released, the mounting frame 305 and the filter screen 304 are taken down, so that a worker can clean the filter screen 304, the filter screen 304 and the mounting frame 305 are put back after cleaning is finished, the bolts 306 are screwed to fix the mounting frame 305, and therefore the working efficiency is improved.

In summary, this alarm for gas detection, through setting up installing frame 305 and bolt 306, twist bolt 306, can remove the restriction to installing frame 305, and then take off installing frame 305 and filter screen 304, after wasing, again with filter screen 304 and installing frame 305 original place, screw bolt 306 is tightened, fix filter screen 304, thereby realize the quick dismantlement and the installation to filter screen 304, the washing of filter screen 304 is convenient for the staff, the risk that dust and impurity excessively lead to filter screen 304 mesh to be blocked in the filter screen 304 has been reduced, the circulation of gas in air inlet 303 has been promoted, and then the sampling efficiency and the detection accuracy of gas detector body 203 have been improved effectively, ensure can send the alarm rapidly, accurately when toxic gas leaks, through setting up base 401, driving motor 402, first conical gear 403, second conical gear 404, threaded rod 405, a screw thread section 406, slide tube 407 and 408, driving motor 402's operation makes first conical gear 403 rotate, because the meshing effect of first conical gear 403 and second conical gear 404 has been reduced, the second conical gear 403 is along with the meshing effect, the high-accuracy of this conical gear 403 rotates at the rotation of the second conical gear 403, thereby the high accuracy of this air inlet 405 is reached in order to detect the measuring device of the high accuracy of the rotation of the slide bar 405, thereby the high-accuracy is reached in order to detect the measuring device of the air inlet 405, the high-accuracy is reached, the improvement of the rotation of the threaded rod's of the device's of the screw rod's device 'has been reached according to the characteristics of the measurement of the fact that can be convenient to move the top, and the quality of the device's top has been moved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas detection alarm, comprising a housing (1), characterized in that: a battery (201), a controller (202) and a gas detector body (203) are arranged in sequence from left to right inside the housing (1); an air inlet (303) is provided on a side of the housing (1) close to the gas detector body (203); an air guide tube (302) is fixedly provided on one side of the air inlet (303); and a pump is fixedly provided at one end of the air guide tube (302). An air pump (301), one side of the air pump (301) is fixedly connected to the gas detector body (203), a filter screen (304) is movably provided on the other side of the air inlet (303), a mounting frame (305) is fixedly provided outside the filter screen (304), four corners of the mounting frame (305) are provided with screw holes, and bolts (306) are movably provided in the screw holes, and the connection relationship between the bolts (306) and the air inlet (303) is a movably plug-in connection;

A base (401) is movably provided at the bottom of the shell (1), a driving motor (402) is fixedly provided inside the base (401), a first bevel gear (403) is fixedly provided on the output shaft of the driving motor (402), a second bevel gear (404) is movably provided on one side of the first bevel gear (403), the second bevel gear (404) and the first bevel gear (403) are connected in a meshing relationship, a threaded rod (405) is fixedly provided on the inner wall of the second bevel gear (404), a threaded barrel (406) is movably provided outside the threaded rod (405), and the threaded barrel (406) and the threaded rod (405) are connected in a threaded relationship.

2. A gas detection alarm according to claim 1, characterized in that a sound and light alarm (204) is fixedly arranged on one side of the top of the shell (1).

3. A gas detection alarm according to claim 1, characterized in that a gas outlet (205) is provided below the gas inlet (303).

4. A gas detection alarm according to claim 1, characterized in that a flow guide cover (206) is fixedly provided on the outside of the air inlet (303), and the flow guide cover (206) is funnel-shaped.

5. A gas detection alarm according to claim 1, characterized in that: slide cylinders (407) are fixedly provided on both sides inside the base (401), and a slide rod (408) is movably provided inside the slide cylinder (407).

6. A gas detection alarm according to claim 1, characterized in that the tops of the threaded barrel (406) and the sliding rod (408) are both fixedly connected to the housing (1).