CN221507566U - Remote monitoring and early warning equipment based on flammable and explosive toxic gas leakage of workplace - Google Patents

Abstract

The utility model discloses a remote monitoring and early warning device for flammable and explosive toxic gas leakage based on a workplace, which comprises a cover body and a base, wherein the cover body is provided with a plurality of vent holes, and the peripheral surface of the outer wall of the side wall of the cover body is provided with a first dustproof part; the lid closes in the base, and the base is provided with the circuit board, has power supply unit, gas detection sensor, control unit and wireless communication unit at least on the circuit board, and gas detection sensor's sensing end corresponds with the air vent, and the outer wall circumference of base lateral wall is provided with second dustproof portion, and first, second dustproof portion butt each other forms a plurality of dustproof cavities so that dust, steam can't contact the junction of lid and base. The technical scheme of the utility model can be convenient for opening or closing the equipment shell, and has better dustproof and waterproof vapor performance, and the dustproof and waterproof vapor performance cannot be influenced by the number of times of opening the shell.

Description

Remote monitoring and early warning equipment based on flammable and explosive toxic gas leakage of workplace

Technical Field

The utility model relates to the technical field of gas detection, in particular to a remote monitoring and early warning device for flammable and explosive toxic gas leakage based on workplaces.

Background

In order to ensure safety, in some workplaces, leakage monitoring needs to be performed on flammable and explosive toxic gases, for example, in a kitchen using fuel gas, in a chlorine production place, and the like, gas leakage monitoring needs to be performed on gas detection equipment, and the existing gas detection equipment usually consists of a shell, a gas detection sensor, an early warning device and the like.

When the gas monitoring equipment is installed in a workplace with more dust and water vapor, the dust and the water vapor easily enter the equipment from gaps at the joint of the equipment shell, so that corrosion, short circuit and other damages are caused to circuit elements, the existing gas monitoring equipment is generally waterproof and dustproof in a mode of arranging sealing rubber strips at the joint of the shell, but the shell needs to be opened when the circuit elements in the shell are overhauled and maintained, the number of times that the shell is opened and closed is more, and the sealing rubber strips are easy to loosen to reduce the sealing performance.

Disclosure of utility model

The utility model mainly aims to provide remote monitoring and early warning equipment for flammable and explosive toxic gas leakage based on workplaces, which aims to facilitate opening or closing of equipment shells and has better dustproof and waterproof steam performance, and the dustproof and waterproof steam performance cannot be influenced by the number of times of opening the shells.

In order to achieve the above object, the present utility model provides a remote monitoring and early warning device for flammable and explosive toxic gas leakage based on workplaces, which is characterized by comprising

The cover body is provided with a plurality of vent holes, and the outer wall surface of the side wall of the cover body is circumferentially provided with a first dustproof part;

The base, the lid fit in the base, the base is provided with the circuit board, integrate at least power supply unit, gas detection sensor, control unit and wireless communication unit on the circuit board, gas detection sensor's sensing end with the air vent corresponds, the outer wall circumference of base lateral wall is provided with the second dustproof portion, first, mutual butt of second dustproof portion forms a plurality of dust removal cavity so that dust, steam can't contact the junction of lid with the base.

In an embodiment of the present utility model, the first and second dustproof parts each include a substrate, a plurality of annular dustproof strips are protruding on the substrate, the dustproof strips of the first and second dustproof parts are staggered and spaced from each other, and the ends of the dustproof strips are abutted against the substrate opposite to the dustproof strips.

In an embodiment of the utility model, the dust-proof strips are all disposed obliquely to the substrate, and the oblique direction is a direction away from the circuit board.

In an embodiment of the utility model, the dust-proof strip is defined to have an inclination angle a with respect to the substrate of 0 ° < a <30 °.

In an embodiment of the utility model, the first and second dustproof parts are made of silica gel.

In an embodiment of the utility model, a clamping groove is circumferentially arranged at the side wall edge of the cover body, a clamping strip is circumferentially arranged at the side wall edge of the base, and the clamping groove and the clamping strip are mutually clamped so as to cover the cover body on the base.

In an embodiment of the utility model, a plurality of dehumidifying chambers are circumferentially arranged on the inner wall surface of the side wall of the cover body, and a dehumidifying hole is formed on one surface of the dehumidifying chamber facing the circuit board.

In an embodiment of the present utility model, the inner wall surface of the cover is covered with a waterproof and breathable film.

In an embodiment of the utility model, a buzzer and a warning lamp are disposed on an outer surface of the base, and the buzzer and the warning lamp are electrically connected to the power supply unit.

According to the technical scheme, the first dustproof part and the second dustproof part are arranged on the cover body and the base, the first dustproof part and the second dustproof part are provided with the plurality of annular dustproof strips, the dustproof strips are arranged at intervals in a staggered mode, the tail ends of the dustproof strips are abutted to opposite substrates to form a plurality of dustproof cavities, so that dust and water vapor cannot contact the joint of the cover body and the base.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in a workplace;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an overall schematic diagram of the remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in a workplace;

FIG. 4 is a schematic diagram of a cover of the remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in a workplace;

Fig. 5 is a schematic diagram of a base of the remote monitoring and early warning device for the leakage of flammable and explosive toxic gas based on a workplace.

Reference numerals illustrate:

1. A cover body; 11. a vent hole; 12. a first dust-proof section; 13. a clamping groove; 14. a dehumidifying chamber; 15. a moisture removal hole; 16. a waterproof breathable film; 2. a base; 21. a circuit board; 22. a second dust-proof section; 23. a clamping strip; 24. a buzzer; 25. a warning light; 3. a dust-proof chamber; 4. a substrate; 5. dust-proof strip.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

Referring to fig. 1 to 5, the utility model provides a remote monitoring and early warning device for flammable and explosive toxic gas leakage based on a workplace, which comprises a cover body 1 and a base 2, wherein a plurality of vent holes 11 are formed in the cover body 1, and a first dust prevention part 12 is circumferentially arranged on the outer wall surface of the side wall of the cover body 1; the lid 1 lid closes in base 2, and base 2 is provided with circuit board 21, has integrated power supply unit, gas detection sensor, control unit and wireless communication unit on the circuit board 21 at least, and gas detection sensor's sensing end corresponds with air vent 11, and the outer wall circumference of base 2 lateral wall is provided with second dustproof portion 22, and first, mutual butt of second dustproof portion forms a plurality of dustproof cavity 3 so that dust, steam can't contact the junction of lid 1 and base 2.

It will be appreciated that the cover 1 is covered on the base 2 to form a housing of the whole device, the cover 1 is provided with a plurality of ventilation holes 11, external air enters the device from the ventilation holes 11 to be detected, the circuit board 21 is installed on the base 2 and can be completely covered by the cover 1, the circuit board 21 is integrated with a power supply unit, an air detection sensor, a control unit and a wireless communication unit, the power supply unit comprises a mounting seat for installing a battery and a power supply circuit, the detection type of the air detection sensor is set according to the air possibly leaked from a working place, a plurality of sensors for detecting different air can be arranged, the sensing end of the sensor is aligned with the ventilation holes 11 on the cover 1 to facilitate the detection of the external air, the wireless communication unit comprises a wireless signal transmitter, a wireless signal receiver and an antenna, which can be in wireless communication with a mobile phone of a communication terminal such as a user, the user can conveniently remotely control the device, and the control unit can be a microprocessor, a CPU or a singlechip, and the like, can control the whole device according to received commands, and other units such as a microprocessor can be controlled.

The side wall edges of the cover body 1 and the base 2 are respectively provided with annular first and second dustproof parts, when the cover body 1 is covered on the base 2, the first and second dustproof parts are mutually abutted and completely cover the joint of the cover body 1 and the base 2, a plurality of dustproof chambers 3 are formed between the two dustproof parts, each dustproof chamber 3 can intercept dust and water vapor together, and through the arrangement, the dust and the water vapor can be blocked by the laminated dustproof chambers 3 and cannot contact the joint of the cover body 1 and the base 2, so that better dustproof and waterproof vapor effects are achieved; in addition, the dustproof part is not directly arranged at the joint of the cover body 1 and the base 2, so that no matter how many times the cover body 1 is opened or covered, the dustproof and vapor-proof effects of the dustproof part are not affected.

Referring to fig. 2, in an embodiment of the present application, the first and second dust-proof portions each include a base 4, a plurality of annular dust-proof strips 5 are protruded on the base 4, the dust-proof strips 5 of the first and second dust-proof portions are staggered and spaced from each other, and the ends of the dust-proof strips 5 are abutted against the opposite base 4.

It can be understood that the substrate 4 protrudes out of the outer surfaces of the cover body 1 and the base 2, a plurality of protruding annular dustproof strips 5 are arranged on the substrate 4, the dustproof strips 5 are arranged in a concentric circle mode, when the cover body 1 is covered on the base 2, the first dustproof part and the second dustproof part are mutually abutted, the dustproof strips 5 of the first dustproof part and the second dustproof part are mutually staggered at intervals and are abutted on the substrate 4 opposite to the first dustproof part, a plurality of dustproof chambers 3 are formed, as dust particles are smaller, a small part of dust possibly leaves from gaps at the abutting positions of the dustproof strips 5 and the substrate 4, and the interception effect on dust can be enhanced by arranging a plurality of dustproof chambers 3.

And, if equipment is installed in places such as kitchen that vapor is more, vapor can condense into the drop of water and adhere to on dustproof strip 5 because the difference in temperature is great when touching dustproof strip 5, the setting of multichannel dustproof strip 5 also can carry out effectual interception to vapor.

Referring to fig. 2, in an embodiment of the present application, the dust-proof strips 5 are disposed obliquely to the substrate 4, and the oblique direction is a direction away from the circuit board 21.

It will be appreciated that through the above arrangement, the dust-proof strips 5 are inclined relative to the direction of air entering the dust-proof chamber 3, which can enhance the effect of intercepting dust, and because the device is vertically installed on the wall, when water vapor enters the dust-proof chamber 3 and condenses into water droplets attached to the dust-proof strips 5, the inclined dust-proof strips 5 can enable the water droplets attached to the water droplets to flow, finally flow to the position where the dust-proof chamber 3 is at the lowest position, and flow out to the outside from the gap where the dust-proof strips 5 are abutted with the substrate 4, so as to achieve better drainage effect.

Referring to fig. 2, in an embodiment of the present application, the inclination angle of the dust-proof strip 5 with respect to the base 4 is defined as a,0 ° < a <30 °.

It will be appreciated that the inclination angle is too small, which is not beneficial to the flow of water drops attached to the dust-proof strip 5, the drainage effect is poor, and the inclination angle is too large, so that the first and second dust-proof parts are difficult to separate or abut by the mutually staggered dust-proof strips 5, inconvenience is brought to the installation and the disassembly of the cover body 1 and the base 2, and the inclination angle of the dust-proof strip 5 is reasonably set in the range of 0 ° to 30 °.

Referring to fig. 1 to 2, in an embodiment of the present application, the first and second dust-proof parts are made of silica gel.

As can be appreciated, the use of a silicone material to make the dust guard has the following benefits: the surface friction force of the dustproof strip 5 made of silica gel is large, and the dustproof strip has a good adsorption effect on dust particles and water vapor; the silica gel material is soft, so that a user can conveniently turn over the dustproof part to clean, and the dustproof part is not easy to harden or break, and has good rebound resilience; the silica gel material has stable properties, can resist high temperature, is not easy to corrode, and has longer service life.

Referring to fig. 1 to 2, in an embodiment of the present application, a clamping groove 13 is circumferentially arranged at a side wall edge of the cover 1, a clamping bar 23 is circumferentially arranged at a side wall edge of the base 2, and the clamping groove 13 and the clamping bar 23 are mutually clamped to cover the cover 1 on the base 2.

It will be appreciated that the cover 1 and the base 2 are connected in the manner described above, with the following advantages: the maintenance and the overhaul are convenient, the connection mode of the cover body 1 and the base 2 is simple and convenient, and an operator can easily open the shell to check and replace internal parts, so that the difficulty and the time cost of maintenance work are reduced; the cleaning and the maintenance are convenient, and when the dust accumulated in the dustproof part needs to be cleaned, the cleaning and the maintenance are easier due to the arrangement, so that the labor is saved.

Referring to fig. 1 and 4, in an embodiment of the present application, a plurality of dehumidifying chambers 14 are circumferentially disposed on an inner wall surface of a side wall of the cover 1, and a dehumidifying hole 15 is formed on a surface of the dehumidifying chamber 14 facing the circuit board 21.

It will be appreciated that, the dehumidifying chamber 14 is used for placing the drying agent such as activated carbon, calcium chloride, etc., because the water molecules are small, there may be a small amount of water vapor reaching the connection between the cover 1 and the base 2 from the gap between the contact between the dustproof strip 5 and the base 4, and then entering the interior of the apparatus, while the drying agent placed in the dehumidifying chamber 14 can absorb this water vapor, so as to maintain the dryness of the interior of the apparatus, and the dehumidifying hole 15 is formed on the side of the dehumidifying chamber 14 facing the circuit board 21, because the water vapor entering from the connection between the cover 1 and the base 2 is in this direction, the water absorbing efficiency is higher due to the fact that the dehumidifying hole 15 is formed in this direction, and further, the dehumidifying hole 15 may also be formed on other sides of the dehumidifying chamber 14, so as to further enhance the water absorbing effect.

Referring to fig. 1 and 4, in an embodiment of the present application, the inner wall surface of the cover 1 is covered with a waterproof and breathable film 16.

It will be appreciated that the waterproof and breathable film 16 is a common existing material, which has both waterproof and breathable properties, and is not described in detail herein, the purpose of covering the waterproof and breathable film 16 on the inner wall surface of the cover 1 is to prevent water vapor and dust from entering the device from the vent 11, and when the vent 11 is blocked by the dust attached to the waterproof and breathable film 16, the device can be continuously used only by replacing the waterproof and breathable film 16, and maintenance is more convenient.

Referring to fig. 3 and 5, in an embodiment of the present application, a buzzer 24 and a warning lamp 25 are disposed on an outer surface of the base 2, and the buzzer 24 and the warning lamp 25 are electrically connected to the power supply unit.

It can be understood that, the buzzer 24 and the warning lamp 25 are both used for giving an alarm to personnel in the workplace when the gas leaks, and although the wireless communication unit can send early warning information to the communication terminal, in order to prevent that the personnel from checking the information untimely, the personnel not holding the communication terminal in the workplace and the like happen, the buzzer 24 and the warning lamp 25 are arranged for giving acousto-optic early warning, so that the personnel in the workplace can know the gas leakage at the first time and leave the workplace, and the safety of the personnel is more ensured.

According to the technical scheme, the first dustproof part 12 and the second dustproof part 22 are arranged on the cover body 1 and the base 2, the first dustproof part and the second dustproof part are respectively provided with the plurality of annular dustproof strips 5, the dustproof strips 5 are mutually staggered and distributed at intervals, and the tail ends of the dustproof strips are abutted against the opposite base 4 to form the plurality of dustproof cavities 3 so that dust and water vapor cannot contact the joint of the cover body 1 and the base 2.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (9)

1. Remote monitoring and early warning equipment based on flammable and explosive toxic gas leakage in workplace is characterized by comprising

The anti-dust device comprises a cover body (1), wherein a plurality of vent holes (11) are formed in the cover body (1), and a first dust prevention part (12) is circumferentially arranged on the outer wall surface of the side wall of the cover body (1);

Base (2), lid (1) lid in base (2), base (2) are provided with circuit board (21), integrated at least on circuit board (21) has power supply unit, gas detection sensor, control unit and wireless communication unit, gas detection sensor's sensing end with air vent (11) correspond, the outer wall circumference of base (2) lateral wall is provided with second dustproof portion (22), first, mutual butt of second dustproof portion forms a plurality of dustproof cavity (3) so that dust, steam can't touch lid (1) with the junction of base (2).

2. The remote monitoring and early warning device for the leakage of flammable and explosive toxic gas based on the workplace according to claim 1, wherein the first dust-proof part and the second dust-proof part comprise a substrate (4), a plurality of annular dust-proof strips (5) are arranged on the substrate (4) in a protruding mode, the dust-proof strips (5) of the first dust-proof part and the second dust-proof part are arranged at intervals in a staggered mode, and the tail ends of the dust-proof strips (5) are abutted to the substrate (4) opposite to the dust-proof strips.

3. The remote monitoring and early warning device for the leakage of flammable and explosive toxic gases based on workplaces according to claim 2 is characterized in that the dust-proof strips (5) are all arranged obliquely to the base (4) and the oblique direction is the direction away from the circuit board (21).

4. A remote monitoring and warning device for the leakage of flammable and toxic gases based on workplaces according to claim 3, characterized in that the inclination angle of the dust-proof strip (5) with respect to the base (4) is defined as a,0 ° < a <30 °.

5. The remote monitoring and early warning device for the leakage of flammable and explosive toxic gas based on the workplace according to claim 4, wherein the first dust-proof part and the second dust-proof part are made of silica gel.

6. The remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in the workplace according to claim 1, wherein the side wall edge of the cover body (1) is circumferentially provided with a clamping groove (13), the side wall edge of the base (2) is circumferentially provided with a clamping strip (23), and the clamping groove (13) and the clamping strip (23) are mutually clamped so as to cover the cover body (1) on the base (2).

7. The remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in the workplace according to claim 1, wherein a plurality of dehumidifying chambers (14) are circumferentially arranged on the inner wall surface of the side wall of the cover body (1), and a dehumidifying hole (15) is formed in one surface of the dehumidifying chamber (14) facing the circuit board (21).

8. The remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in the workplace according to claim 1 is characterized in that the inner wall surface of the cover body (1) is covered with a waterproof and breathable film (16).

9. The remote monitoring and early warning device based on the leakage of flammable and explosive toxic gases in the workplace according to any one of claims 1 to 8, wherein a buzzer (24) and an alarm lamp (25) are arranged on the outer surface of the base (2), and the buzzer (24) and the alarm lamp (25) are electrically connected to the power supply unit.