CN213068037U - Gauge pressure measurement silicon sensor resistant to environmental gas pollution - Google Patents
Gauge pressure measurement silicon sensor resistant to environmental gas pollution Download PDFInfo
- Publication number
- CN213068037U CN213068037U CN202021334777.9U CN202021334777U CN213068037U CN 213068037 U CN213068037 U CN 213068037U CN 202021334777 U CN202021334777 U CN 202021334777U CN 213068037 U CN213068037 U CN 213068037U
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- connecting piece
- environmental gas
- signal generator
- silicon sensor
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Abstract
The utility model relates to the technical field of pressure measurement, in particular to a gauge pressure measurement silicon sensor resistant to environmental gas pollution, which comprises an installation part, a connecting piece is arranged on the installation part, a dust screen and a filter screen are arranged in the connecting piece, thereby preventing dust and filtering the gas entering the connecting piece, avoiding the contact of the polluted gas and the upper membrane, and the gas to be detected is communicated with the lower end of the detection piece, so that the gas to be detected is contacted with the lower diaphragm, thereby facilitating the silicon signal generator to measure the pressure difference between the upper end and the lower end of the isolating liquid and being convenient to use, and the contact between the gas and the silicon signal generator is avoided, the service life of the utility model is prolonged, and by arranging the mounting piece, the connecting piece and the detecting piece, and carry out threaded connection between installed part, connecting piece and the detection piece, be convenient for right the utility model discloses dismantle, conveniently maintain and overhaul.
Description
Technical Field
The utility model relates to a pressure measurement technical field, in particular to resistant environmental gas pollution's gauge pressure measurement silicon sensor.
Background
Gauge pressure measurement silicon sensor is at the during operation under the polluted gas environment, the polluted gas can directly get into silicon sensor reference chamber and silicon signal generator contact through the breather pipe, will make silicon signal generator receive pollution and oxidation, finally influence the long-term job stabilization nature and the reliability that gauge pressure measured silicon sensor, be not convenient for use, and influence life, and when using, the integral type design is adopted mostly now, after installing, be not convenient for dismantle and maintain, be not convenient for use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a resistant environmental gas pollution's gauge pressure measurement silicon sensor to when the outside gas pollution that proposes among the above-mentioned background art is serious, influence life and be convenient for dismantle and the problem of maintaining.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant ambient gas pollution's gauge pressure measurement silicon sensor, includes the installed part, the lower extreme threaded connection of installed part has the connecting piece, the air vent has evenly been seted up on the connecting piece, the inside fixed mounting of air vent has the dust screen, the inside lower extreme fixed mounting of connecting piece has the filter screen, the lower extreme threaded connection of connecting piece has the detection piece, the inside upper end fixed mounting of detection piece has last diaphragm, the inside lower extreme fixed mounting of detection piece has diaphragm down, go up the diaphragm with it has the parting liquid to pour into between the diaphragm down, the horizontal fixed mounting in inside intermediate position of detection piece has silicon signal generator, silicon signal generator's diameter with the inner diameter of detection piece is the same.
Preferably, the spacer fluid is located at the upper and lower ends of the silicon signal generator.
Preferably, the upper surface of the connecting piece is a sealing structure.
Preferably, the upper end and the lower end of the connecting piece are both provided with external threads.
Preferably, the internal thread has all been seted up to the lower extreme of installed part inside with the upper end of detection piece is inside, the connecting piece all passes through the external screw thread with the installed part with on the detection piece internal thread looks threaded connection.
Preferably, a raw adhesive tape is wound between the external thread and the internal thread.
Preferably, the inside of the upper end of the connecting piece and the outside of the lower end of the detection piece are both provided with connecting threads.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with the connecting piece, and be equipped with dust screen and filter screen in the inside of connecting piece, and then prevent dust and filter the gas that enters into the connecting piece inside, avoid the gaseous and last diaphragm of pollution to contact, and the gaseous lower extreme with the detection piece that awaits measuring is linked together for gaseous and lower diaphragm contact of awaiting measuring, and then the silicon signal generator of being convenient for measures the pressure differential that isolation liquid upper end and lower extreme received, convenient to use, and avoids gaseous and silicon signal generator to contact, improves the utility model discloses a life.
2. The utility model discloses a be equipped with installed part, connecting piece and detection piece, and carry out threaded connection between installed part, connecting piece and the detection piece, be convenient for right the utility model discloses dismantle, conveniently maintain and overhaul.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a schematic structural view of the middle connection member of the present invention.
Fig. 4 is a front sectional view of the detecting member of the present invention.
In the figure: 1. a mounting member; 2. a connecting member; 3. a vent hole; 4. a dust screen; 5. a filter screen; 6. a detection member; 7. an upper diaphragm; 8. a lower diaphragm; 9. a spacer fluid; 10. a silicon signal generator; 11. an external thread; 12. an internal thread; 13. and connecting threads.
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.
The utility model provides a gauge pressure measurement silicon sensor with environmental gas pollution resistance as shown in figures 1-4, which comprises an installation part 1, the lower end of the installation part 1 is connected with a connecting part 2 through screw threads, the upper surface of the connecting part 2 is a sealing structure, vent holes 3 are evenly arranged on the connecting part 2, a dust screen 4 is fixedly arranged inside the vent holes 3, a filter screen 5 is fixedly arranged at the inner lower end of the connecting part 2, the lower end of the connecting part 2 is connected with a detection part 6 through screw threads, connecting screw threads 13 are arranged inside the upper end of the connecting part 2 and outside the lower end of the detection part 6, an upper diaphragm 7 is fixedly arranged at the inner upper end of the detection part 6, a lower diaphragm 8 is fixedly arranged at the inner lower end of the detection part 6, a spacer liquid 9 is injected between the upper diaphragm 7 and the lower diaphragm 8, a silicon signal generator 10 is transversely and fixedly arranged at the middle position inside of the detection part 6, and the spacer fluid 9 is located at the upper and lower ends of the silicon signal generator 10.
As shown in the combined drawings 1 and 2, when the utility model is used, the utility model is connected and installed with external equipment through the connecting thread 13 on the installation part 1, and the external vent pipe is connected with the connecting thread 13 at the lower end of the detection part 6, so that the air pressure to be detected is contacted with the lower diaphragm 8, and when the utility model is used, the external air enters into the connecting part 2 through the vent hole 3, the dustproof net 4 is arranged inside the vent hole 3 to prevent dust for the external air, the filter screen 5 is arranged inside the connecting part 2 to filter the gas entering into the connecting part 2, and the air is contacted with the upper diaphragm 7 after passing through the filter screen 5, and the external atmospheric pressure force is transmitted to the isolation liquid 9 through the upper diaphragm 7, and the atmospheric pressure inside the external vent pipe is contacted with the lower diaphragm 8, so that the atmospheric pressure in the measurement gas is transmitted to the isolation liquid 9 through the lower diaphragm 8, silicon signal generator 10 fixed mounting is in the inside of detecting element 6, and parting liquid 9 is located silicon signal generator 10's both sides, make outside gaseous atmospheric pressure and the gaseous atmospheric pressure formation pressure differential of awaiting measuring, and then make silicon signal generator 10 detect the pressure differential, accomplish the purpose of gauge pressure measurement, and when measuring, outside gaseous and the gaseous all not contact with silicon signal generator 10 that awaits measuring, make the resistant environmental pollution's of silicon signal generator 10 characteristic reinforcing, just the utility model discloses an installed part 1 and connecting piece 2 and detecting element 6 carry out threaded connection, make the utility model discloses be convenient for maintain and dismantle, easy to assemble.
This practical theory of operation: when the utility model is used, the utility model is connected and installed with the external equipment through the connecting thread 13 on the installation part 1, and the external vent pipe is connected with the connecting thread 13 at the lower end of the detection part 6, so that the air pressure to be detected is contacted with the lower diaphragm 8, and when in use, the external air enters into the connecting part 2 through the vent hole 3, the dustproof net 4 is arranged inside the vent hole 3 to prevent the external air from dust, the filter screen 5 is arranged inside the connecting part 2 to filter the gas entering into the connecting part 2, and the air is contacted with the upper diaphragm 7 after passing through the filter screen 5, and the external atmospheric pressure force is transmitted to the isolation liquid 9 through the upper diaphragm 7, and the atmospheric pressure inside the external vent pipe is contacted with the lower diaphragm 8, so that the atmospheric pressure in the measurement gas is transmitted to the isolation liquid 9 through the lower diaphragm 8, silicon signal generator 10 fixed mounting is in the inside of detecting element 6, and parting liquid 9 is located silicon signal generator 10's both sides, make outside gaseous atmospheric pressure and the gaseous atmospheric pressure formation pressure differential of awaiting measuring, and then make silicon signal generator 10 detect the pressure differential, accomplish the purpose of gauge pressure measurement, and when measuring, outside gaseous and the gaseous all not contact with silicon signal generator 10 that awaits measuring, make the resistant environmental pollution's of silicon signal generator 10 characteristic reinforcing, just the utility model discloses an installed part 1 and connecting piece 2 and detecting element 6 carry out threaded connection, make the utility model discloses be convenient for maintain and dismantle, easy to assemble.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A gauge pressure measurement silicon sensor resistant to environmental gas contamination, comprising a mounting member (1), characterized in that: the lower end of the mounting piece (1) is in threaded connection with a connecting piece (2), the connecting piece (2) is uniformly provided with vent holes (3), a dust screen (4) is fixedly arranged in the vent hole (3), a filter screen (5) is fixedly arranged at the lower end in the connecting piece (2), the lower end of the connecting piece (2) is in threaded connection with a detection piece (6), the upper end inside the detection piece (6) is fixedly provided with an upper diaphragm (7), the lower end of the interior of the detection piece (6) is fixedly provided with a lower membrane (8), an isolating liquid (9) is injected between the upper diaphragm (7) and the lower diaphragm (8), a silicon signal generator (10) is transversely and fixedly arranged in the middle of the inner part of the detection piece (6), the diameter of the silicon signal generator (10) is the same as the inner diameter of the detection element (6).
2. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 1 wherein: the isolation liquid (9) is positioned at the upper end and the lower end of the silicon signal generator (10).
3. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 1 wherein: the upper surface of the connecting piece (2) is a sealing structure.
4. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 1 wherein: and the upper end and the lower end of the connecting piece (2) are both provided with external threads (11).
5. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 4 wherein: internal threads (12) are formed in the lower end of the mounting piece (1) and the upper end of the detection piece (6), and the connecting piece (2) is in threaded connection with the internal threads (12) on the mounting piece (1) and the detection piece (6) through the external threads (11).
6. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 5 wherein: a raw adhesive tape is wound between the external thread (11) and the internal thread (12).
7. A gage pressure measuring silicon sensor resistant to environmental gas contamination according to claim 1 wherein: connecting threads (13) are formed inside the upper end of the connecting piece (2) and outside the lower end of the detecting piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021334777.9U CN213068037U (en) | 2020-07-09 | 2020-07-09 | Gauge pressure measurement silicon sensor resistant to environmental gas pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021334777.9U CN213068037U (en) | 2020-07-09 | 2020-07-09 | Gauge pressure measurement silicon sensor resistant to environmental gas pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068037U true CN213068037U (en) | 2021-04-27 |
Family
ID=75571585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021334777.9U Expired - Fee Related CN213068037U (en) | 2020-07-09 | 2020-07-09 | Gauge pressure measurement silicon sensor resistant to environmental gas pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068037U (en) |
-
2020
- 2020-07-09 CN CN202021334777.9U patent/CN213068037U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210709 |