CN210639115U - Explosion-proof dew point meter - Google Patents
Explosion-proof dew point meter Download PDFInfo
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- CN210639115U CN210639115U CN201921590842.1U CN201921590842U CN210639115U CN 210639115 U CN210639115 U CN 210639115U CN 201921590842 U CN201921590842 U CN 201921590842U CN 210639115 U CN210639115 U CN 210639115U
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- dew point
- explosion
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Abstract
The utility model discloses an explosion-proof dew point meter, including casing, electrical joint, connecting seat, humidity transducer, circuit board, dust screen cover, the circuit board sets up in the casing, electrical joint and connecting seat set up respectively the both ends of casing, humidity transducer sets up on the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, the dust screen cover with the connecting seat is connected, just the dust screen cover is in the periphery of probe, the circuit board respectively with electrical joint, humidity transducer electric connection, the pouring has the casting glue in the casing and the connecting seat. The utility model discloses can prevent that the component from producing the spark and forming the phenomenon of blasting, improve the security performance.
Description
Technical Field
The utility model relates to a dew point hygrometer technical field specifically is an explosion-proof dew point hygrometer.
Background
The dew point instrument is used for detecting humidity and is widely applied to SF6 dew point detection of a power system, if the natural gas is rich in water vapor after being mined, the water vapor must be removed to prevent corrosion and ice blockage of pipelines and equipment and damage the safety of long-distance pipelines, downstream pipelines and equipment, so that the moisture content in the conveyed gas needs to be detected in time. Most dew point hygrometers in the market do not have explosion-proof performance at present, and cannot be used in occasions requiring explosion prevention, such as natural gas measurement and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of above-mentioned prior art, provide an explosion-proof dew point meter that can prevent that the component from producing the spark and forming the phenomenon of blasting, improve the security performance.
The utility model discloses a realize through following technical scheme: the utility model provides an explosion-proof dew point hygrometer, includes casing, electrical joint, connecting seat, humidity transducer, circuit board, dust screen cover, the circuit board sets up in the casing, electrical joint and connecting seat set up respectively the both ends of casing, humidity transducer sets up on the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, dust screen cover with the connecting seat is connected, just dust screen cover is in the periphery of probe, the circuit board respectively with electrical joint, humidity transducer electric connection, it has the casting glue to pour into in the casing and the connecting seat.
Further: the connecting seat is provided with an installation sealing plate, the installation sealing plate is used for separating the inside of the connecting seat from the outside, a through hole is formed in the installation sealing plate, and a conducting wire of the humidity sensor penetrates through the through hole to be connected with the circuit board.
Further: the electrical connector is connected to the housing by a bolt.
Further: the connecting seat includes first connecting seat and second connecting seat, the installation shrouding sets up in the second connecting seat, the one end of first connecting seat with the casing is connected, the other end and the second connecting seat of first connecting seat are connected to support and press on the installation shrouding, the dust screen cover with the second connecting seat is connected.
Further: one end of the first connecting seat is connected with the shell through a bolt.
Further: the other end of the first connecting seat is connected with the second connecting seat through threads.
Further: and the outer wall of the middle part of the first connecting seat is provided with a connecting thread.
The beneficial effects of the utility model
Compared with the prior art, set up the circuit board in the casing, humidity transducer sets up in the connecting seat, and humidity transducer's probe stretches out outside the connecting seat, at casing and the inside pouring sealant of connecting seat, can prevent inside gaseous moisture and the external combustible gas entering casing and connecting seat, prevent that the inside component of casing and connecting seat from receiving moisture erosion, prevent that the component from producing the spark and arousing that the external combustible gas that gets into inside forms the phenomenon of blasting, improve the security, increase of service life makes the utility model is suitable for a measure the natural gas occasion. The dustproof net cover is arranged on the periphery of the probe of the humidity sensor, so that the probe can be prevented from being polluted by dust particles and the accuracy of detection is influenced.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Description of reference numerals: 1-shell, 2-electrical connector, 3-connecting seat, 31-first connecting seat, 32-second connecting seat, 33-screw thread, 4-humidity sensor, 41-probe, 42-conducting wire, 5-circuit board, 6-dustproof net cover, 7-pouring sealant, 8-installation sealing plate, 9-bolt and 10-connecting screw thread.
Detailed Description
Fig. 1 and fig. 2 are the utility model provides a pair of explosion-proof dew point hygrometer embodiment schematic structure, which comprises a housin 1, electrical connection 2, connecting seat 3, humidity transducer 4, circuit board 5, dust screen cover 6, circuit board 5 sets up in casing 1, electrical connection 2 and connecting seat 3 set up the both ends at casing 1 respectively, electrical connection 2 passes through bolt 9 and is connected with casing 1, humidity transducer 4 sets up on connecting seat 3, and humidity transducer 4's probe 41 stretches out outside connecting seat 3, dust screen cover 6 is connected with connecting seat 3, and dust screen cover 6 covers in probe 41's periphery, circuit board 5 respectively with electrical connection 2, humidity transducer 4 electric connection, the pouring sealant 7 has been sealed in casing 1 and connecting seat 3, pouring sealant 7 is epoxy.
Through at casing 1 and 3 inside casting glue 7 of connecting seat, when using the dew point hygrometer, can prevent that gas moisture and external combustible gas from getting into inside casing 1 and connecting seat 3, prevent that the inside component of casing 1 from receiving the moisture erosion, prevent that the component from producing the spark and arousing that external combustible gas that gets into inside forms the phenomenon of blasting, improve the security, increase of service life. By arranging the dustproof mesh cover 6 on the periphery of the probe 41 of the humidity sensor 4, dust particles in the gas can be prevented from being attached to the probe 41, and the probe 41 is prevented from being polluted by the dust particles to influence the detection accuracy.
Connecting seat 3 is provided with installation shrouding 8, installation shrouding 8 is used for separating connecting seat 3 inside with the external world, the through-hole has been seted up to installation shrouding 8, humidity transducer 4's conductor wire 42 passes the through-hole and is connected with circuit board 5, connecting seat 3 includes first connecting seat 31 and second connecting seat 32, installation shrouding 8 sets up in second connecting seat 32, bolt 9 is passed through to the one end of first connecting seat 31 and is connected with casing 1, the other end of first connecting seat 31 passes through screw thread 33 and is connected with second connecting seat 32, and support and press on installation shrouding 8, humidity transducer 4's probe 41 stretches out outside second connecting seat 32, dustproof net cover 6 and second connecting seat 32 are connected.
Separate second connecting seat 32 inside with the external world through installation shrouding 8, and the inside pouring of second connecting seat 32 has casting glue 7, can prevent that external gas moisture and combustible gas from getting into inside the second connecting seat 32 to prevent that external gas moisture and combustible gas from getting into inside first connecting seat 31 and the casing 1, further improve the security performance. The installation closing plate 8 is disposed in the second connecting seat 32, and the end of the first connecting seat 31 abuts against the installation closing plate 8, so that the installation closing plate 8 is stably disposed in the first connecting seat 31 and does not easily shake.
The outer wall of the middle part of the first connecting seat 31 is provided with a connecting thread 10. The dew point meter is connected to other equipment by means of a connecting thread 10.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (7)
1. An explosion-proof dew point meter which is characterized in that: including casing, electrical joint, connecting seat, humidity transducer, circuit board, dust screen cover, the circuit board sets up in the casing, electrical joint and connecting seat set up respectively the both ends of casing, humidity transducer sets up on the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, the dust screen panel with the connecting seat is connected, just the dust screen dustcoat is in the periphery of probe, the circuit board respectively with electrical joint, humidity transducer electric connection, it has the casting glue to pour into in the casing and the connecting seat.
2. An explosion-proof dew point meter as claimed in claim 1, wherein: the connecting seat is provided with an installation sealing plate, the installation sealing plate is used for separating the inside of the connecting seat from the outside, a through hole is formed in the installation sealing plate, and a conducting wire of the humidity sensor penetrates through the through hole to be connected with the circuit board.
3. An explosion-proof dew point meter as claimed in claim 1, wherein: the electrical connector is connected to the housing by a bolt.
4. An explosion proof dew point meter as claimed in claim 2, wherein: the connecting seat includes first connecting seat and second connecting seat, the installation shrouding sets up in the second connecting seat, the one end of first connecting seat with the casing is connected, the other end and the second connecting seat of first connecting seat are connected to support and press on the installation shrouding, the dust screen cover with the second connecting seat is connected.
5. An explosion proof dew point meter as claimed in claim 4, wherein: one end of the first connecting seat is connected with the shell through a bolt.
6. An explosion proof dew point meter as claimed in claim 4, wherein: the other end of the first connecting seat is connected with the second connecting seat through threads.
7. An explosion proof dew point meter as claimed in claim 6, wherein: and the outer wall of the middle part of the first connecting seat is provided with a connecting thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590842.1U CN210639115U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof dew point meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590842.1U CN210639115U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof dew point meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210639115U true CN210639115U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921590842.1U Active CN210639115U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof dew point meter |
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| CN (1) | CN210639115U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730518A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | High radiating dew point detection device |
| CN112730517A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | Dew point refrigerating system and dew point detector thereof |
| CN112816523A (en) * | 2020-12-30 | 2021-05-18 | 广州奥松电子有限公司 | Dew point meter with belt cleaning device |
| CN113338912A (en) * | 2021-06-01 | 2021-09-03 | 威利朗沃矿业设备（北京）有限公司 | Cast type mining measurement while drilling device |
-
2019
- 2019-09-23 CN CN201921590842.1U patent/CN210639115U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730518A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | High radiating dew point detection device |
| CN112730517A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | Dew point refrigerating system and dew point detector thereof |
| CN112816523A (en) * | 2020-12-30 | 2021-05-18 | 广州奥松电子有限公司 | Dew point meter with belt cleaning device |
| CN113338912A (en) * | 2021-06-01 | 2021-09-03 | 威利朗沃矿业设备（北京）有限公司 | Cast type mining measurement while drilling device |
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