CN211086223U - Water-sealed waterproof gas sensor device - Google Patents
Water-sealed waterproof gas sensor device Download PDFInfo
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- CN211086223U CN211086223U CN201921326474.XU CN201921326474U CN211086223U CN 211086223 U CN211086223 U CN 211086223U CN 201921326474 U CN201921326474 U CN 201921326474U CN 211086223 U CN211086223 U CN 211086223U
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Abstract
The utility model discloses a waterproof gas sensor device of water-sealed, including gas sensor, shell, dehydrating unit, the inside gas sensor that is equipped with of shell, dehydrating unit is installed to the lower extreme of shell. The dehumidification device comprises an upper connecting pipe, a drying box and a lower connecting pipe, wherein a drying agent is arranged inside the drying box, the upper connecting pipe is located on the upper portion of the drying box, the upper connecting pipe is communicated with the top of the drying box, the lower connecting pipe is located on the lower portion of the drying box, and the lower connecting pipe is communicated with the bottom of the drying box. The utility model discloses can moisture-proof, waterproof dipping, can normally carry out the gas again and detect.
Description
Technical Field
The utility model relates to a gas detects technical field, concretely relates to waterproof gas sensor device of water-sealed.
Background
The currently mainly used gas (CH 4) sensors are of the semiconductor type, catalytic combustion type, electrochemical type, infrared type. The infrared gas sensor has high price, high power consumption and very few market use conditions. And the other three types of sensors have poor water interference resistance, unstable performance when meeting water or under the condition of high humidity, and even can thoroughly damage sensitive elements of the sensors. As the service period of the town gas pipe network enters the advanced age period, the pipe network is corroded and damaged by external force and other factors, so that accidents of the town gas pipe network occur frequently, particularly, devices such as valves in gas valve wells are corroded more, the leakage risk is highest, and gas leakage monitoring in the gas valve wells is imperative. However, the high-humidity condition in the gas pipe well generally exists, the water immersion condition even occurs in a part of the pipe well, and meanwhile, the equipment in the pipe well can only adopt a battery for power supply, so that the traditional sensor has to solve the influence of high humidity and water immersion under the condition of low power consumption or zero power consumption to have the condition of stable application. At present, a pump suction type structure is arranged on the market to solve the influence of water immersion on the sensor, but the sensor is difficult to popularize in a large area due to the fact that the sensor is complex in structure, high in price, high in power consumption, incapable of solving the problems of high influence of humidity and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of existence among the current sensing device technical field, the utility model provides a waterproof gas sensor device of water-sealed.
The utility model discloses a realize through following technical scheme:
the utility model provides a waterproof gas sensor device of water-sealed, includes data line, gas sensor, shell, wire hole, connector, dehydrating unit, first sealing washer, the top of shell is equipped with the wire hole, the inside of shell is equipped with gas sensor, gas sensor links to each other with the lower extreme of data line, the wire hole that the upper end of data line passed the shell top extends to the outside, install first sealing washer between data line and the wire hole, the lower extreme of shell is equipped with the connector, the outside of connector is equipped with the external screw thread, dehydrating unit is installed to the lower part of connector.
Furthermore, the dehumidifying device comprises an upper connecting pipe, a drying box and a lower connecting pipe, wherein a drying agent is arranged in the drying box, the upper connecting pipe is positioned at the upper part of the drying box, the upper connecting pipe is communicated with the top of the drying box, internal threads are arranged on the inner side of the upper connecting pipe, and the internal threads on the inner side of the upper connecting pipe are matched with the external threads on the connector; the lower connecting pipe is positioned at the lower part of the drying box and is communicated with the bottom of the drying box.
Furthermore, the top of drying box is equipped with a plurality of first mesh pieces, first mesh piece is located drying box and last connecting pipe junction, the bottom of drying box is equipped with a plurality of second mesh pieces, the second mesh piece is located drying box and lower connecting pipe junction.
Further, go up the connecting pipe, all install waterproof ventilated membrane down in the connecting pipe, the outside of connector is equipped with the second sealing washer.
Furthermore, a waterproof device is installed at the lower part of the lower connecting pipe.
Further, the outside of connecting pipe is equipped with the external screw thread down, watertight fittings is a both ends open-ended waterproof section of thick bamboo, waterproof section of thick bamboo's inside is equipped with connects chamber and water seal chamber, it is equipped with the internal thread to connect the intracavity wall, the external screw thread looks adaptation in internal thread and the lower connecting pipe outside down, the water seal chamber is upper and lower open-ended cavity, the water seal chamber is located the lower part of connecting the chamber and with be connected the chamber intercommunication.
Furthermore, the water seal cavity is a cylindrical cavity, a rectangular cavity or a conical cavity.
Furthermore, a stainless steel mesh is installed in the connecting cavity, and a third sealing ring for sealing connection is arranged outside the lower connecting pipe.
Further, watertight fittings includes transition pipe, bottom plate, inlet port, water seal pipe, transition pipe, water seal pipe are cylindrical hollow tube, the inboard of transition pipe is equipped with the internal thread, the bottom of transition pipe is equipped with circular shape bottom plate, the center of bottom plate is equipped with the inlet port, the inside stainless steel mesh piece that installs of transition pipe, water seal pipe fixed mounting is in the bottom of transition pipe, water seal pipe and transition pipe communicate each other.
Furthermore, the central axis of the water seal pipe and the central axis of the transition pipe are on the same straight line, the diameter of the water seal pipe is smaller than that of the transition pipe, and the diameter of the water seal pipe is 1-30 mm.
The utility model has the advantages as follows:
the utility model discloses install the dehydrating unit of autonomic development, dehydrating unit includes connecting pipe, dry box, lower connecting pipe, the drier is equipped with to the inside of dry box, it is located the upper portion of dry box to go up the connecting pipe, it communicates with dry box top to go up the connecting pipe, the connecting pipe is located the lower part of dry box down, the connecting pipe communicates with dry box bottom down, go up the inside waterproof ventilated membrane of all installing of connecting pipe, lower connecting pipe, the outside of connector is equipped with the second sealing washer. Waterproof ventilated membrane can be for the first line defence line that blocks the moisture, and the desiccant in the drying box is for the second line defence line that blocks the moisture, and waterproof ventilated membrane can effectively obstruct partly steam and pass through, and remaining steam is adsorbed by the desiccant again, and dual protection moisture is to the influence of sensor.
Preferably, the utility model is provided with a waterproof device at the bottom of the dehumidifying device, the waterproof device is a waterproof cylinder with two open ends, the inside of the waterproof cylinder is provided with a connecting cavity and a water seal cavity, and the connecting cavity is provided with a stainless steel mesh sheet; or the waterproof device is of another structure consisting of a transition pipe and a water seal pipe, a stainless steel mesh is arranged in the transition pipe, the water seal pipe is fixed at the bottom of the transition pipe in a welding, bonding or threaded connection mode, and the water seal pipe is communicated with the transition pipe. When the water surface is lower than the lower edge of the waterproof device, the gas to be detected can freely enter and exit the interior of the waterproof device, and the stainless steel mesh is arranged in the waterproof device, so that the dehumidifying device can be protected from splashing water; when the water surface rises to the lower edge of the waterproof device, the whole sensing device is of a structure with a sealed upper end and an open lower end, so that an air column can be sealed in the water sealing pipe or the water sealing cavity, the dehumidification device and the sensor on the upper portion are effectively protected from being contacted with water, the stability and the service life of the sensor are ensured, and the sensor can normally work after water returns. The utility model discloses the formula waterproof mode cost is lower than the pump suction on the existing market, and simple structure solves the influence of high humid environment when solving the water logging, and does not have the power consumption completely.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is an exploded view of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the dehumidifying apparatus.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is an exploded view of embodiment 2 of the present invention.
In the drawings: 1-data line, 2-gas sensor, 3-shell, 4-dehydrating unit, 5-watertight fittings, 6-wire hole, 7-first sealing washer, 8-connector, 9-second sealing washer, 10-dry box, 11-connecting pipe, 12-lower connecting pipe, 13-first mesh piece, 14-waterproof ventilated membrane, 15-second mesh piece, 16-third sealing washer, 17-waterproof section of thick bamboo, 18-junction chamber, 19-water seal chamber, 20-stainless steel mesh piece, 21-transition pipe, 22-water seal pipe, 23-bottom plate, 24-inlet port.
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.
Example 1
As shown in fig. 1 and 2, a water-sealed waterproof gas sensor device includes a data line 1, a gas sensor 2, a housing 3, a wire outlet hole 6, a connector 8, a dehumidifier 4, and a first sealing ring 7. The gas sensor is characterized in that the shell 3 is a hollow plastic shell with a closed upper end and an open lower end, a wire outlet 6 is arranged at the top of the shell 3, the gas sensor 2 is arranged in the shell 3, the gas sensor 2 is connected with the lower end of the data line 1, the upper end of the data line 1 penetrates through the wire outlet 6 at the top of the shell 3 and extends to the outside, and a first sealing ring 7 is arranged between the data line 1 and the wire outlet 6. The lower extreme of shell 3 is equipped with connector 8 through threaded connection or the mode of whole moulding plastics, the outside of connector 8 is equipped with the external screw thread, dehydrating unit 4 is installed to the lower part of connector 8.
As shown in fig. 3, the dehumidifying device 4 includes an upper connecting pipe 11, a drying box 10, and a lower connecting pipe 12, a drying agent is installed inside the drying box 10, the upper connecting pipe 11 is located at the upper portion of the drying box 10, the upper connecting pipe 11 is communicated with the top of the drying box 10, an internal thread is disposed on the inner side of the upper connecting pipe 11, and the internal thread on the inner side of the upper connecting pipe 11 is matched with the external thread on the connecting head 8. Preferably, a second sealing ring 9 is provided on the outer portion of the connection head 8, and when the upper connection pipe 11 is rotatably connected to the lower portion of the connection head 8 through a screw connection, the second sealing ring 9 is compressed between the upper connection pipe 11 and the lower end of the housing 3 to perform a sealing function.
The lower connection pipe 12 is located at the lower portion of the drying box 10, and the lower connection pipe 12 is communicated with the bottom of the drying box 10. The upper connecting pipe 11 and the lower connecting pipe 12 are cylindrical plastic hollow pipes or stainless steel hollow pipes, the drying box 10 is a cylindrical or rectangular hollow box body, and the drying box 10 is made of plastic or stainless steel materials.
The top of dry box 10 is opened there are a plurality of first mesh pieces 13, first mesh piece 13 is located dry box 10 and last connecting pipe 11 junction, the bottom of dry box 10 is equipped with a plurality of second mesh pieces 15, second mesh piece 15 is located dry box 10 and lower connecting pipe 12 junction. Waterproof breathable films 14 are adhered to the inner parts of the upper connecting pipe 11 and the lower connecting pipe 12 through super glue.
As shown in fig. 1 and 2, an external thread is provided on the outer side of the lower connection pipe 12, and a waterproof device 5 is mounted on the lower portion of the lower connection pipe 12. The waterproof device 5 is a waterproof cylinder 17 with two open ends, and the waterproof cylinder 17 is made of plastic or stainless steel materials. The inside of waterproof section of thick bamboo 17 is equipped with connecting chamber 18 and water seal chamber 19, connecting chamber 18 inner wall is equipped with the internal thread, the external screw thread looks adaptation in internal thread and the connecting pipe 12 outside down. Preferably, a third sealing ring 16 for sealing connection is provided on the exterior of the lower connecting pipe 12, and when the lower connecting pipe 12 is screwed with the connecting cavity 18 of the waterproof cylinder 17, the third sealing ring 16 is compressed between the drying box 10 and the waterproof cylinder 17 to perform a sealing function.
The water seal cavity 19 is a cavity with an upper opening and a lower opening, and the water seal cavity 19 is positioned at the lower part of the connecting cavity 18 and is communicated with the connecting cavity 18. The water seal cavity 19 is a cylindrical cavity, a rectangular cavity, a conical cavity or a cavity with other shapes. A stainless steel mesh sheet 20 with meshes is arranged in the connecting cavity 18.
Example 2
As shown in fig. 4 and 5, the water-sealed waterproof gas sensor device includes a data line 1, a gas sensor 2, a housing 3, a wire outlet hole 6, a connector 8, a dehumidifier 4, and a first sealing ring 7. The gas sensor is characterized in that the shell 3 is a hollow plastic shell with a closed upper end and an open lower end, a wire outlet 6 is arranged at the top of the shell 3, the gas sensor 2 is arranged in the shell 3, the gas sensor 2 is connected with the lower end of the data line 1, the upper end of the data line 1 penetrates through the wire outlet 6 at the top of the shell 3 and extends to the outside, and a first sealing ring 7 is arranged between the data line 1 and the wire outlet 6. The lower extreme of shell 3 is equipped with connector 8 through threaded connection or the mode of whole moulding plastics, the outside of connector 8 is equipped with the external screw thread, dehydrating unit 4 is installed to the lower part of connector 8.
The structure of the dehumidifying apparatus 4 is identical to that of the dehumidifying apparatus 4 in embodiment 1, except that: the lower part of the lower connecting pipe 12 in the dehumidifying device 4 is provided with a waterproof device 5, the waterproof device 5 comprises a transition pipe 21, a bottom plate 23, an air inlet 24 and a water seal pipe 22, the transition pipe 21 and the water seal pipe 22 are cylindrical hollow pipes, the inner side of the transition pipe 21 is provided with internal threads, and the internal threads are matched with external threads on the lower connecting pipe 12. The transition pipe 21 is connected with the lower connecting pipe 12 by welding, gluing or screwing. The bottom of transition pipe 21 is equipped with circular shape bottom plate 23, the center of bottom plate 23 is equipped with inlet port 24, transition pipe 21 internally mounted has stainless steel net piece 20, can prevent that splash upwards splashes.
The water seal pipe 22 is fixed at the bottom of the transition pipe 21 by welding, gluing or screwing, and the water seal pipe 22 is communicated with the transition pipe 21. The central axis of the water seal pipe 22 and the central axis of the transition pipe 21 are on the same straight line, the diameter of the water seal pipe 22 is smaller than that of the transition pipe 21, and the diameter of the water seal pipe 22 is 1-30 mm.
It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention, and all the components not specified in the present embodiment can be implemented by using the prior art.
Claims (10)
1. The utility model provides a waterproof gas sensor device of water-sealed, its characterized in that: including data line, gas sensor, shell, wire hole, connector, dehydrating unit, first sealing washer, the top of shell is equipped with the wire hole, the inside of shell is equipped with the gas sensor, the gas sensor links to each other with the lower extreme of data line, the wire hole that the upper end of data line passed the shell top extends to the outside, install first sealing washer between data line and the wire hole.
2. The water-sealed waterproof gas sensor device according to claim 1, wherein: the dehumidifying device comprises an upper connecting pipe, a drying box and a lower connecting pipe, wherein a drying agent is arranged in the drying box, the upper connecting pipe is positioned at the upper part of the drying box and is communicated with the top of the drying box, an internal thread is arranged on the inner side of the upper connecting pipe, and the internal thread on the inner side of the upper connecting pipe is matched with the external thread on the connector; the lower connecting pipe is positioned at the lower part of the drying box and is communicated with the bottom of the drying box.
3. The water-sealed waterproof gas sensor device according to claim 2, wherein: the top of drying box is equipped with a plurality of first mesh pieces, first mesh piece is located drying box and last connecting pipe junction, the bottom of drying box is equipped with a plurality of second mesh pieces, the second mesh piece is located drying box and lower connecting pipe junction.
4. The water-sealed waterproof gas sensor device according to claim 2, wherein: go up the connecting pipe, all install waterproof ventilated membrane down the connecting pipe inside, the outside of connector is equipped with the second sealing washer.
5. The water-sealed waterproof gas sensor device according to claim 2, wherein: and a waterproof device is arranged at the lower part of the lower connecting pipe.
6. The water-sealed waterproof gas sensor device according to claim 5, wherein: the outer side of the lower connecting pipe is provided with external threads, the waterproof device is a waterproof cylinder with two open ends, a connecting cavity and a water seal cavity are arranged inside the waterproof cylinder, the inner wall of the connecting cavity is provided with internal threads, the internal threads are matched with the external threads on the outer side of the lower connecting pipe, the water seal cavity is a cavity with an upper opening and a lower opening, and the water seal cavity is located at the lower part of the connecting cavity and is communicated with the connecting cavity.
7. The water-sealed waterproof gas sensor device according to claim 6, wherein: the water seal cavity is a cylindrical cavity, a rectangular cavity or a conical cavity.
8. The water-sealed waterproof gas sensor device according to claim 6, wherein: the connecting cavity is internally provided with a stainless steel mesh, and the outer part of the lower connecting pipe is provided with a third sealing ring for sealing connection.
9. The water-sealed waterproof gas sensor device according to claim 5, wherein: the waterproof device comprises a transition pipe, a bottom plate, an air inlet and a water seal pipe, wherein the transition pipe and the water seal pipe are cylindrical hollow pipes, internal threads are arranged on the inner side of the transition pipe, the bottom of the transition pipe is provided with the circular bottom plate, the air inlet is arranged at the center of the bottom plate, a stainless steel mesh is mounted inside the transition pipe, the water seal pipe is fixedly mounted at the bottom of the transition pipe, and the water seal pipe is communicated with the transition pipe.
10. The water-sealed waterproof gas sensor device according to claim 9, wherein: the central axis of the water seal pipe and the central axis of the transition pipe are on the same straight line, the diameter of the water seal pipe is smaller than that of the transition pipe, and the diameter of the water seal pipe is 1-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921326474.XU CN211086223U (en) | 2019-08-16 | 2019-08-16 | Water-sealed waterproof gas sensor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921326474.XU CN211086223U (en) | 2019-08-16 | 2019-08-16 | Water-sealed waterproof gas sensor device |
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| CN211086223U true CN211086223U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921326474.XU Active CN211086223U (en) | 2019-08-16 | 2019-08-16 | Water-sealed waterproof gas sensor device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034122A (en) * | 2020-08-10 | 2020-12-04 | 南京奇崛电子科技有限公司 | Waterproof type water quality sensor |
| CN112067750A (en) * | 2020-09-10 | 2020-12-11 | 郑州美克盛世电子科技有限公司 | Probe capable of reducing humidity and detecting gas and novel gas detector |
-
2019
- 2019-08-16 CN CN201921326474.XU patent/CN211086223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034122A (en) * | 2020-08-10 | 2020-12-04 | 南京奇崛电子科技有限公司 | Waterproof type water quality sensor |
| CN112067750A (en) * | 2020-09-10 | 2020-12-11 | 郑州美克盛世电子科技有限公司 | Probe capable of reducing humidity and detecting gas and novel gas detector |
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