CN216133019U

CN216133019U - Mixed gas detector with good sealing performance and good waterproof effect

Info

Publication number: CN216133019U
Application number: CN202121636488.9U
Authority: CN
Inventors: 吴永刚; 席鹏; 李莹
Original assignee: Wuhan Aozhibo Technology Co ltd
Current assignee: Wuhan Aozhibo Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-25
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a mixed gas detector with good sealing performance and good waterproof effect, which comprises a first shell, a second shell, a damp-proof rubber sleeve and a sealing rubber sleeve, wherein the second shell is arranged on one side of the first shell, concave cavities are formed in the first shell and the second shell, the damp-proof rubber sleeve is arranged in the concave cavities, the sealing rubber sleeve is arranged on one side of the damp-proof rubber sleeve, sealing rings are arranged on the damp-proof rubber sleeve and one side of the sealing rubber sleeve, a circuit board is arranged in the second shell, a controller is arranged on the circuit board, and a digital display is arranged on one side of the controller. In the device use, because dampproofing gum cover and sealed gum cover are holistic to form vertical structure with the junction of casing two and casing one, and then can seal the junction, guarantee the sealed effect of device, prevent simultaneously that steam from getting into the inside electric elements that causes the corruption of device, guarantee the testing performance of device, improve the device practicality.

Description

Mixed gas detector with good sealing performance and good waterproof effect

Technical Field

The utility model relates to the technical field of gas detectors, in particular to a mixed gas detector with good sealing performance and good waterproof effect.

Background

A gas detector is an instrument that detects the concentration of a gas. The instrument is suitable for dangerous places with combustible or toxic gas, and can continuously detect the content of the detected gas in the air within the lower explosion limit for a long time. The device can be widely applied to various industries with combustible or toxic gas such as gas, petrochemical industry, metallurgy, steel, coking, electric power and the like, and is an ideal monitoring instrument for ensuring property and personal safety.

Current gas mixture detector is owing to be through casing one and the casing two electrical components in the device protect, but because there is certain space in junction between the two, and then lead to outside steam can follow inside the entering device in the space, and then lead to the fact the corruption to electrical components, not only lead to device detection performance to reduce, and the leakproofness of reduction device, furthermore, current gas mixture detector need detect the device in the use, but because the device is the intercommunication with the detection pipeline, and then need close whole pipeline when overhauing, lead to overhauing the influence range great, reduce device functionality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, it is good to present a leakproofness, the gas mixture detector that water-proof effects is good, solve current gas mixture detector because protect through casing one and the electrical components of casing two pairs in the device, but because there is certain space in junction between the two, and then lead to outside steam can follow inside the entering device in the space, and then lead to corroding electrical components, not only lead to the device detection performance to reduce, and reduce the leakproofness of device, and current gas mixture detector need detect the device in the use, but because the device is for the intercommunication with the detection pipeline, and then need close whole pipeline when overhauing, it is great to lead to overhauing the influence range, reduce the functional problem of device.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a mixed gas detector with good sealing performance and good waterproof effect, which comprises a first shell, a second shell, a moisture-proof rubber sleeve and a sealing rubber sleeve, wherein the second shell is arranged on one side of the first shell, concave cavities are respectively arranged on the first shell and the second shell, the moisture-proof rubber sleeve is arranged in the concave cavities, the sealing rubber sleeve is arranged on one side of the moisture-proof rubber sleeve, sealing rings are respectively arranged on the moisture-proof rubber sleeve and one side of the sealing rubber sleeve, a circuit board is arranged in the second shell, a controller is arranged on the circuit board, a digital display is arranged on one side of the controller, an explosion-proof glass plate is arranged in the first shell, detection tubes are respectively arranged at the bottom ends of the first shell and the second shell, a gas sensor is arranged on the inner wall of the detection tube, a porous membrane is arranged at the bottom end in the detection tube, a cavity is arranged on the side wall of the first detection tube, a valve is arranged in the cavity, and a sealing nut is arranged on the outer wall of the detection pipe.

Furthermore, the first shell and the second shell are connected through screws, and the cavities are formed in the first shell and the second shell.

By adopting the technical scheme, the first shell and the second shell can protect electrical elements in the device.

Furthermore, the dampproofing gum cover with the cavity passes through the draw-in groove to be connected, sealed gum cover with the cavity passes through the draw-in groove to be connected, the sealing ring with the cavity passes through the draw-in groove to be connected.

Through adopting above-mentioned technical scheme, in the device use, because dampproofing gum cover and sealed gum cover is holistic, and with casing two and the junction of casing one forms vertical structure, and then can seal the junction, guarantees the sealed effect of device, prevents simultaneously that steam from getting into that the device is inside to cause the corruption to electrical components, guarantees the detection performance of device, improves the device practicality, the sealing ring can be right the cavity is sealed.

Furthermore, the circuit board is connected with the shell through a screw, the controller is electrically connected with the circuit board, the digital display meter is electrically connected with the circuit board, and the explosion-proof glass plate is bonded with the shell I.

By adopting the technical scheme, in the detection process, the controller controls the device to work, the digital display meter can display the detection numerical value of the device, so that the worker can know the detection numerical value conveniently, and the explosion-proof glass plate can protect the digital display meter.

Further, the detection tube is inserted into the first shell and the second shell, the gas sensor is connected with the detection tube through screws, the gas sensor is electrically connected with the controller, and the porous membrane is connected with the detection tube through a clamping groove.

By adopting the technical scheme, the detection pipe is connected with the pipeline to be detected, at the moment, gas in the pipeline enters the detection pipe through the porous membrane, at the moment, the gas sensor detects the concentration of the mixed gas, and detection data are transmitted to the controller.

Further, the cavity is formed in the detection pipe, the valve is in threaded connection with the cavity, and the sealing nut is in threaded connection with the detection pipe.

By adopting the technical scheme, the valve in the cavity is controllable the break-make of the detection tube, when the device needs to be overhauled, the valve is used for closing the detection tube so as to overhaul the device, the whole pipeline does not need to be closed, the influence range during small detection is small, the functionality of the device is improved, and the sealing nut can be used for sealing the connection part of the detection tube and the pipeline.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. in order to solve the problems that the existing mixed gas detector protects electrical elements in a device through a first shell and a second shell, but a certain gap exists at the joint between the first shell and the second shell, so that external water vapor can enter the device from the gap to corrode the electrical elements, the detection performance of the device is reduced, and the sealing performance of the device is reduced;

2. in order to solve the problems that the device needs to be detected in the using process of the existing mixed gas detector, but the whole pipeline needs to be closed during maintenance due to the fact that the device is communicated with the detection pipeline, so that the maintenance influence range is large, and the device functionality is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a mixed gas detector with good sealing performance and good waterproof effect according to the present invention;

FIG. 2 is a cross-sectional view of a detection tube in the mixed gas detector of the present invention with good sealing and waterproof effects;

FIG. 3 is a first and second sectional views of a housing of the mixed gas detector with good sealing and waterproof effects.

The reference numerals are explained below:

1. a digital display meter; 2. a seal ring; 3. a first shell; 4. a second shell; 5. an explosion-proof glass plate; 6. a detection tube; 7. a sealing nut; 8. a valve; 9. a gas sensor; 10. a cavity; 11. a porous membrane; 12. a controller; 13. sealing the rubber sleeve; 14. a moisture-proof rubber sleeve; 15. a concave cavity; 16. a circuit board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-3, the mixed gas detector with good sealing performance and good waterproof effect in this embodiment includes a first casing 3, a second casing 4, a moisture-proof rubber sleeve 14 and a sealing rubber sleeve 13, the second casing 4 is disposed on one side of the first casing 3, cavities 15 are disposed on both the first casing 3 and the second casing 4, the first casing 3 and the second casing 4 can protect electrical components in the device, the moisture-proof rubber sleeve 14 is disposed in the cavity 15, the sealing rubber sleeve 13 is disposed on one side of the moisture-proof rubber sleeve 14, and sealing rings 2 are disposed on both the moisture-proof rubber sleeve 14 and the sealing rubber sleeve 4, and during the use of the device, because the moisture-proof rubber sleeve 14 and the sealing rubber sleeve 13 are integrated and form a vertical structure with the joint between the second casing 4 and the first casing 3, the joint can be sealed, the sealing effect of the device is ensured, and meanwhile, moisture is prevented from entering the inside of the device to corrode the electrical components, the detection performance of the device is ensured, the practicability of the device is improved, the cavity 15 can be sealed by the sealing ring 2, the circuit board 16 is arranged in the second shell 4, the controller 12 is arranged on the circuit board 16, the digital display meter 1 is arranged on one side of the controller 12, the explosion-proof glass plate 5 is arranged in the first shell 3, the controller 12 controls the device to work in the detection process, the digital display meter 1 can display the detection value of the device, and further the detection value is convenient for workers to know, the explosion-proof glass plate 5 can protect the digital display meter 1, the bottom ends of the first shell 3 and the second shell 4 are both provided with the detection pipe 6, the inner wall of the detection pipe 6 is provided with the gas sensor 9, the bottom end of the detection pipe 6 is provided with the porous membrane 11, the detection pipe 6 is connected with the pipe 6 to be detected, at the moment, the gas in the pipe enters the detection pipe 6 through the porous membrane 11, and at the moment, the gas sensor 9 detects the concentration of the mixed gas, and will detect during data transmission to controller 12, be provided with cavity 10 on the lateral wall of test tube 6, be provided with valve 8 in the cavity 10, be provided with sealing nut 7 on the test tube 6 outer wall, the break-make of the steerable test tube 6 of valve 8 in the cavity 10, when needs overhaul the device, close alright overhaul the device with test tube 6 through valve 8, need not to close whole pipeline, less influence range when examining, improve the device functionality, sealing nut 7 can seal the junction of test tube 6 and pipeline.

As shown in fig. 1-3, in this embodiment, the first housing 3 and the second housing 4 are connected by screws, the cavity 15 is formed on both the first housing 3 and the second housing 4, the moisture-proof rubber sleeve 14 is connected with the cavity 15 by a clamping groove, the sealing rubber sleeve 13 is connected with the cavity 15 by a clamping groove, the sealing ring 2 is connected with the cavity 15 by a clamping groove, the circuit board 16 is connected with the second housing 4 by screws, the controller 12 is electrically connected with the circuit board 16, the digital display meter 1 is electrically connected with the circuit board 16, and the explosion-proof glass plate 5 is bonded with the first housing 3.

As shown in fig. 1 to 3, in this embodiment, the detection tube 6 is inserted into the first housing 3 and the second housing 4, the gas sensor 9 is connected to the detection tube 6 by a screw, the gas sensor 9 is electrically connected to the controller 12, the porous membrane 11 is connected to the detection tube 6 by a slot, the cavity 10 is formed on the detection tube 6, the valve 8 is connected to the cavity 10 by a screw, and the sealing nut 7 is connected to the detection tube 6 by a screw.

The specific implementation process of this embodiment is as follows: firstly, a detection pipe 6 is connected with a pipe 6 to be detected, then, the connection part is sealed through a sealing nut 7, then, the device is connected with an external power line, in the detection process of the device, gas in the pipe enters the detection pipe 6 through a porous membrane 11, at the moment, a gas sensor 9 detects the concentration of mixed gas, detected data is transmitted to a controller 12, the controller 12 displays the detected data through a digital display meter 1, the detection data is convenient for workers to know, meanwhile, an explosion-proof glass plate 5 can protect the digital display meter 1, in the use process of the device, as a moisture-proof rubber sleeve 14 and a sealing rubber sleeve 13 are integrated and form a vertical structure with the connection part of a shell II 4 and a shell I3, the connection part can be sealed, the sealing effect of the device is ensured, and meanwhile, water vapor is prevented from entering the inside of the device to corrode electric appliance elements, guarantee the detection performance of device, improve the device practicality to because the break-make of the steerable test tube 6 of valve 8 in the cavity 10, when needs overhaul the device, close alright overhaul the device with test tube 6 through valve 8, need not to close whole pipeline, less influence range when examining time improves the device functionality.

The above examples are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the utility model. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides a gas mixture detector that leakproofness is good, water-proof effects is good, its characterized in that: the anti-explosion rubber sleeve comprises a first shell (3), a second shell (4), a damp-proof rubber sleeve (14) and a sealing rubber sleeve (13), wherein the second shell (4) is arranged on one side of the first shell (3), a cavity (15) is formed in the first shell (3) and the second shell (4), the damp-proof rubber sleeve (14) is arranged in the cavity (15), the sealing rubber sleeve (13) is arranged on one side of the damp-proof rubber sleeve (14), a sealing ring (2) is arranged on each of the damp-proof rubber sleeve (14) and the sealing rubber sleeve, a circuit board (16) is arranged in the second shell (4), a controller (12) is arranged on the circuit board (16), a digital display meter (1) is arranged on one side of the controller (12), an anti-explosion glass plate (5) is arranged in the first shell (3), and a detection tube (6) is arranged at the bottom ends of the first shell (3) and the second shell (4), be provided with gas sensor (9) on detecting tube (6) inner wall, bottom is provided with porous membrane (11) in detecting tube (6), be provided with cavity (10) on detecting tube (6) a lateral wall, be provided with valve (8) in cavity (10), be provided with sealing nut (7) on detecting tube (6) outer wall.

2. The mixed gas detector of claim 1, which has good sealing performance and good waterproof effect, and is characterized in that: the first shell (3) is connected with the second shell (4) through screws, and the cavities (15) are formed in the first shell (3) and the second shell (4).

3. The mixed gas detector of claim 1, which has good sealing performance and good waterproof effect, and is characterized in that: dampproofing gum cover (14) with cavity (15) pass through the draw-in groove and connect, sealed gum cover (13) with cavity (15) pass through the draw-in groove and connect, sealing ring (2) with cavity (15) pass through the draw-in groove and connect.

4. The mixed gas detector of claim 1, which has good sealing performance and good waterproof effect, and is characterized in that: the circuit board (16) is connected with the second shell (4) through screws, the controller (12) is electrically connected with the circuit board (16), the digital display meter (1) is electrically connected with the circuit board (16), and the explosion-proof glass plate (5) is bonded with the first shell (3).

5. The mixed gas detector of claim 1, which has good sealing performance and good waterproof effect, and is characterized in that: the detection tube (6) is connected with the first shell (3) and the second shell (4) in an inserting mode, the gas sensor (9) is connected with the detection tube (6) through screws, the gas sensor (9) is electrically connected with the controller (12), and the porous membrane (11) is connected with the detection tube (6) through a clamping groove.

6. The mixed gas detector of claim 1, which has good sealing performance and good waterproof effect, and is characterized in that: the cavity (10) is formed in the detection pipe (6), the valve (8) is in threaded connection with the cavity (10), and the sealing nut (7) is in threaded connection with the detection pipe (6).