CN117848581B - Air pressure sensor - Google Patents
Air pressure sensor Download PDFInfo
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- CN117848581B CN117848581B CN202410258547.5A CN202410258547A CN117848581B CN 117848581 B CN117848581 B CN 117848581B CN 202410258547 A CN202410258547 A CN 202410258547A CN 117848581 B CN117848581 B CN 117848581B
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- pressure sensor
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 27
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 27
- 241001330002 Bambuseae Species 0.000 claims abstract description 27
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 27
- 239000011425 bamboo Substances 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 34
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pneumatic sensor, which belongs to the technical field of sensors and comprises a protection part, an induction mechanism and a closing mechanism, wherein the induction mechanism and the closing mechanism are arranged in the protection part; when rotating the protection section of thick bamboo and the separation of external screw thread connecting cylinder for the external screw thread section of thick bamboo can drive the spacing ring through L shape pole and rotate, and then make the spacing ring drive the movable rod and rotate, make the movable rod can drive the external screw thread ring through the connecting rod and rotate, and then make the external screw thread ring can with protection section of thick bamboo reverse movement, and then make the external screw thread ring drive through connecting rod and movable rod and seal and block up down movement, when protection section of thick bamboo and external screw thread connecting cylinder separation, make the anti-block up just can seal up the shutoff ring, can avoid gas leakage, and can lift off the pressure sensor in the protection section of thick bamboo and resume, convenient to detach pressure sensor down, avoid influencing the use of gas pipeline.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a pneumatic sensor.
Background
The air pressure sensor is used for measuring the absolute pressure of gas, is widely applied to industrial production, scientific research and daily life, is very many in types, and the application scene that aims at is also different, and main theory of operation includes: piezoresistive, capacitive, piezoelectric, hall effect, etc.; the existing air pressure sensor structure generally comprises a plastic frame and an air pressure sensor chip, wherein the plastic frame is used as a carrier of the air pressure sensor chip, the air pressure sensor chip is fixed by glue, when air pressure is transmitted to the air pressure sensor chip, a film on the air pressure sensor chip is deformed, the resistance value on the film is changed immediately, and a voltage signal is output, so that the effect of detecting air pressure is achieved; the existing pressure sensor is connected to a gas pipeline through threads to monitor the gas pressure, wherein the gas pressure sensor can intermittently monitor the target gas, is generally not suitable for continuously monitoring the gas, and is particularly suitable for continuously monitoring the gas with high gas concentration, high humidity or high temperature, the damage of the gas pressure sensor is easily caused by long-time continuous monitoring, the use of the gas pressure sensor is influenced, and in order to achieve the purpose of continuous monitoring, a plurality of gas pressure sensors are connected to the gas pipeline, so that the plurality of gas pressure sensors can be recycled, the gas pressure sensors are ensured to be exposed to the target gas in half of the time at most, and the other half of the gas pressure sensors are recovered in fresh air; the existing air pressure sensor cannot be plugged by itself, when the air pressure sensor is separated from the gas, the valve is required to be closed or the air pressure sensor is required to be detached, the operation is inconvenient, and the normal use of the gas pipeline is easily affected when the valve is closed or the sensor is detached.
Disclosure of Invention
In order to solve the problem that the existing air pressure sensor cannot be plugged by itself, the invention aims to provide an air pressure sensor so as to solve the problem.
In order to achieve the above purpose, the present invention provides the following technical solutions: the air pressure sensor comprises a protection part, an induction mechanism and a closing mechanism, wherein the induction mechanism and the closing mechanism are arranged in the protection part, and the induction mechanism is positioned right above the closing mechanism;
The protection part comprises a thread insertion cylinder, a prismatic cylinder, an external thread connecting cylinder, a protection cylinder and a thread connecting cover, wherein the thread insertion cylinder and the external thread connecting cylinder are fixedly arranged on the prismatic cylinder, the protection cylinder is in thread connection with the external thread connecting cylinder, and the thread connecting cover is in thread connection with one end, far away from the external thread connecting cylinder, of the protection cylinder;
the sensing mechanism comprises a pressure sensor which is arranged in the protective cylinder through a connecting component;
The sealing mechanism comprises a moving rod, a limiting ring, a sealing plug, a sealing ring, an external thread ring, two L-shaped rods and a plurality of connecting rods, wherein the L-shaped rods are fixedly arranged on the inner wall surface of a protective cylinder, the two L-shaped rods are symmetrically arranged, the limiting ring is fixedly arranged between the two L-shaped rods, the moving rod penetrates through the limiting ring in a sliding mode, the sealing plug is connected with the moving rod, the moving rod is prismatic, a hole in the limiting ring is prismatic matched with the moving rod, the sealing ring is arranged in a thread insertion cylinder, one end of the sealing plug can be inserted into the sealing ring, the external thread ring is sleeved on the moving rod, the connecting rods are all arranged on the moving rod, and the connecting rods are all connected with the external thread ring, and threads on the external thread ring are opposite to the rotating direction of threads on the external thread connection cylinder.
As a preferred embodiment, the connecting assembly comprises a threaded mounting cylinder and a fixed cylinder, wherein the fixed cylinder is fixedly arranged on the threaded mounting cylinder, the threaded mounting cylinder is in threaded connection with the inner wall surface of the protection cylinder, the fixed cylinder is positioned in the protection cylinder, and the pressure sensor is connected in the fixed cylinder through glue.
As a preferred embodiment, the inner wall surface of the plugging ring is conical, and the plugging plug is conical matched with the inner wall surface of the plugging ring.
As a preferred embodiment, sealing rings are arranged on the prismatic cylinder and the fixed cylinder, the external thread connecting cylinder is positioned in the sealing ring on the prismatic cylinder, the sealing ring on the prismatic cylinder is contacted with the inner side surface of the protection cylinder, and the sealing ring on the fixed cylinder is contacted with the inner side surface of the protection cylinder.
As a preferred implementation mode, the prismatic cylinder is also provided with a ventilating cylinder, the external thread connecting cylinder and the sealing ring positioned on the prismatic cylinder are both positioned in the ventilating cylinder, one end of the protective cylinder is positioned in the ventilating cylinder, and a plurality of ventilation holes are formed in the ventilating cylinder.
As a preferred implementation mode, be provided with a plurality of first gag lever posts on the internal face of air funnel, be provided with a plurality of second gag lever posts on the protection section of thick bamboo, a plurality of the second gag lever posts are located a plurality of respectively the below of first gag lever post, and a plurality of the second gag lever posts can contact with a plurality of first gag lever posts respectively, the protection section of thick bamboo can drive a plurality of second gag lever posts and rotate to dislocation mutually with a plurality of first gag lever posts.
As a preferred embodiment, a side surface of the plugging plug, which is far away from the moving rod, is provided with a fixing rod, and an anti-blocking ring is arranged on the fixing rod and is in sliding connection with the inner wall surface of the threaded insertion cylinder.
Compared with the prior art, the invention has the beneficial effects that:
This kind of air pressure sensor, when rotating the protection section of thick bamboo and the separation of external screw thread connecting cylinder, make the external screw thread section of thick bamboo drive the spacing ring through L shape pole and rotate, and then make the spacing ring drive the movable rod and rotate, make the movable rod drive the external screw thread ring through the connecting rod and rotate, and then make the external screw thread ring can reverse with the protection section of thick bamboo, and then make the external screw thread ring drive through connecting rod and movable rod and seal the stopper and move downwards, when protection section of thick bamboo and external screw thread connecting cylinder are separated, make the stopper just can seal the shutoff ring, can avoid gas leakage, and can lift off the pressure sensor in the protection section of thick bamboo and resume, the pressure sensor is convenient for dismantle down, avoid influencing the use of gas pipeline;
According to the air pressure sensor, the ventilating tube is arranged, the protection tube is pulled to move in the ventilating tube after being rotated and separated from the external thread connecting tube, so that the inside of the protection tube can be contacted with external air through the ventilating hole, the pressure sensor can be contacted with fresh air conveniently, and recovery of the pressure sensor is facilitated;
This air pressure sensor utilizes the dead lever to prevent blocking up being connected between the ring through setting up the dead lever, can drive the anti-blocking ring through the dead lever when the shutoff is removed and remove for prevent blocking up the ring and can strike off the dust that the screw thread inserted in the section of thick bamboo, avoid the screw thread to insert the section of thick bamboo and block up, ensure the accuracy that the atmospheric pressure detected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 5 is a schematic view of the structure of an externally threaded ring according to the present invention;
fig. 6 is a schematic structural view of a connection assembly according to the present invention.
In the figure: 1. a protective part; 101. a threaded insert cartridge; 102. a prismatic barrel; 103. an external thread connecting cylinder; 104. a protective cylinder; 105. a threaded connection cap; 2. an induction mechanism; 201. a pressure sensor; 3. a closing mechanism; 301. a moving rod; 302. a limiting ring; 303. sealing the plug; 304. a plugging ring; 305. an external threaded ring; 306. an L-shaped rod; 307. a connecting rod; 4. a connection assembly; 401. a thread installation cylinder; 402. a fixed cylinder; 5. a seal ring; 6. a ventilation tube; 7. a vent hole; 8. a first stop lever; 9. a second limit rod; 10. a fixed rod; 11. an anti-blocking ring.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides an air pressure sensor, which includes a protecting portion 1, a sensing mechanism 2 and a closing mechanism 3, wherein the sensing mechanism 2 and the closing mechanism 3 are both disposed inside the protecting portion 1, and the sensing mechanism 2 is located right above the closing mechanism 3;
The protection part 1 comprises a threaded insertion cylinder 101, a prismatic cylinder 102, an external threaded connection cylinder 103, a protection cylinder 104 and a threaded connection cover 105, wherein the threaded insertion cylinder 101 and the external threaded connection cylinder 103 are fixedly arranged on the prismatic cylinder 102, the protection cylinder 104 is in threaded connection with the external threaded connection cylinder 103, the threaded connection cover 105 is in threaded connection with one end, far away from the external threaded connection cylinder 103, of the protection cylinder 104, and the threaded insertion cylinder 101 can be connected with a gas pipeline;
the sensing mechanism 2 comprises a pressure sensor 201, and the pressure sensor 201 is arranged in the protective cylinder 104 through the connecting component 4;
The sealing mechanism 3 comprises a moving rod 301, a limiting ring 302, a sealing plug 303, a sealing ring 304, an external thread ring 305, two L-shaped rods 306 and a plurality of connecting rods 307, wherein the two L-shaped rods 306 are fixedly arranged on the inner wall surface of the protective cylinder 104, the two L-shaped rods 306 are symmetrically arranged, the limiting ring 302 is fixedly arranged between the two L-shaped rods 306, the moving rod 301 slides through the limiting ring 302, the sealing plug 303 is connected with the moving rod 301, the moving rod 301 is prismatic, a hole on the limiting ring 302 is prismatic matched with the moving rod 301, the sealing ring 304 is arranged in the thread insertion cylinder 101, one end of the sealing plug 303 can be inserted into the sealing ring 304, the external thread ring 305 is sleeved on the moving rod 301, the connecting rods 307 are all arranged on the moving rod 301, the connecting rods 307 are all connected with the external thread ring 305, and the threads on the external thread ring 305 are opposite to the rotating direction of the threads on the external thread connection cylinder 103;
the protection cylinder 104 is separated from the external thread connecting cylinder 103, so that the protection cylinder 104 can drive the limiting ring 302 to rotate through the L-shaped rod 306, the limiting ring 302 can drive the moving rod 301 to rotate due to the fact that the inner wall of the limiting ring 302 and the moving rod 301 are prismatic, the limiting ring 302 can slide on the moving rod 301, the connecting rod 307 can be driven to rotate when the moving rod 301 rotates, the connecting rod 307 can drive the external thread ring 305 to rotate, the external thread ring 305 and the external thread connecting cylinder 103 are opposite in thread direction, when the protection cylinder 104 is far away from one end of the thread connecting cylinder, the external thread ring 305 can move to the side of the thread inserting cylinder 101 at the moment, and then the sealing plug 303 can be driven to be inserted into the sealing ring 304, gas leakage can be avoided, and at the moment, the protection cylinder 104 and the pressure sensor 201 inside the protection cylinder can be taken down;
the inner wall surface of the plugging ring 304 is conical, and the plugging plug 303 is conical matched with the inner wall surface of the plugging ring 304, so that the contact area is increased, and the tightness after plugging is enhanced;
In this embodiment, the connection assembly 4 includes a threaded mounting cylinder 401 and a fixed cylinder 402, the fixed cylinder 402 is fixedly disposed on the threaded mounting cylinder 401, the threaded mounting cylinder 401 is in threaded connection with the inner wall surface of the protection cylinder 104, the fixed cylinder 402 is located in the protection cylinder 104, the pressure sensor 201 is connected in the fixed cylinder 402 through glue, and rotating the threaded mounting cylinder 401 can drive the fixed cylinder 402 to move, so that the fixed cylinder 402 is convenient to be mounted in the protection cylinder 104, and the fixed cylinder 402 is convenient to be taken out from the protection cylinder 104, so that the pressure sensor 201 is convenient to detach and replace;
In this embodiment, the sealing rings 5 are disposed on the prismatic cylinder 102 and the fixed cylinder 402, the external thread connecting cylinder 103 is located inside the sealing ring 5 on the prismatic cylinder 102, the sealing ring 5 on the prismatic cylinder 102 contacts with the inner side surface of the protection cylinder 104, wherein the sealing ring 5 on the fixed cylinder 402 contacts with the inner side surface of the protection cylinder 104, and the protection cylinder 104 and the fixed cylinder 402 and the external thread connecting cylinder 103 and the protection cylinder 104 can be sealed by the sealing ring 5, so that gas leakage is avoided, and safety is improved;
In this embodiment, the prism barrel 102 is further provided with a ventilation barrel 6, the external thread connecting barrel 103 and the sealing ring 5 located on the prism barrel 102 are both located inside the ventilation barrel 6, one end of the protection barrel 104 is located inside the ventilation barrel 6, the ventilation barrel 6 is provided with a plurality of ventilation holes 7, after the protection barrel 104 is separated from the external thread connecting barrel 103, the protection barrel 104 is pulled to move in the ventilation barrel 6, so that the ventilation holes 7 are opened, and then air can contact with the pressure sensor 201 in the protection barrel 104, thereby being beneficial to recovery of the pressure sensor 201;
The inner wall surface of the ventilation tube 6 is provided with a plurality of first limiting rods 8, the protection tube 104 is provided with a plurality of second limiting rods 9, the plurality of second limiting rods 9 are respectively located below the plurality of first limiting rods 8, the plurality of second limiting rods 9 can be respectively contacted with the plurality of first limiting rods 8, the protection tube 104 can drive the plurality of second limiting rods 9 to rotate to be staggered with the plurality of first limiting rods 8, the first limiting rods 8 can limit the second limiting rods 9, the first limiting rods 8 can limit the protection tube 104, the protection tube 104 is prevented from being separated from the ventilation tube 6 during ventilation, the protection tube 104 is rotated to drive the second limiting rods 9 to be staggered with the first limiting rods 8, and then the protection tube 104 is pulled to be taken down from the ventilation tube 6, so that the protection tube 104 is convenient to replace;
In this embodiment, a fixing rod 10 is disposed on a side surface of the blocking plug 303 away from the moving rod 301, an anti-blocking ring 11 is disposed on the fixing rod 10, the anti-blocking ring 11 is slidably connected with an inner wall surface of the threaded insertion cylinder 101, and when the moving rod 301 drives the blocking plug 303 to move, the anti-blocking ring 11 can be driven by the fixing rod 10, so that the anti-blocking ring 11 can scrape dust in the threaded insertion cylinder 101 and avoid the threaded insertion cylinder 101 from being blocked;
During the use, insert section of thick bamboo 101 threaded connection on the breather pipe with the screw thread, gas passes through screw thread and inserts section of thick bamboo 101, prism section of thick bamboo 102 and protection section of thick bamboo 104 and pressure sensor 201 contact, make pressure sensor 201 can monitor the atmospheric pressure, when needing pressure sensor 201 to resume, rotate protection section of thick bamboo 104, make protection section of thick bamboo 104 to keeping away from one side of external screw thread connection section of thick bamboo 103 and remove, make protection section of thick bamboo 104 can rotate through L shape pole 306 and spacing ring 302, and then can drive movable rod 301 and rotate, make movable rod 301 can drive external screw thread ring 305 through connecting rod 307 and rotate, make external screw thread ring 305 and protection section of thick bamboo 104 reverse movement, and then can drive movable rod 301 to shutoff ring 304 removal, make shutoff plug 303 can plug shutoff ring 304.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A barometric sensor, characterized by: the device comprises a protection part (1), an induction mechanism (2) and a closing mechanism (3), wherein the induction mechanism (2) and the closing mechanism (3) are arranged inside the protection part (1), and the induction mechanism (2) is positioned right above the closing mechanism (3);
The protection part (1) comprises a threaded insertion cylinder (101), a prismatic cylinder (102), an external threaded connection cylinder (103), a protection cylinder (104) and a threaded connection cover (105), wherein the threaded insertion cylinder (101) and the external threaded connection cylinder (103) are fixedly arranged on the prismatic cylinder (102), the protection cylinder (104) is in threaded connection with the external threaded connection cylinder (103), and the threaded connection cover (105) is in threaded connection with one end, far away from the external threaded connection cylinder (103), of the protection cylinder (104);
The sensing mechanism (2) comprises a pressure sensor (201), and the pressure sensor (201) is arranged in the protective cylinder (104) through the connecting component (4);
The utility model provides a sealing mechanism (3) including movable rod (301), spacing ring (302), shutoff stopper (303), shutoff ring (304), external screw thread ring (305), two L shape pole (306) and a plurality of connecting rod (307), two L shape pole (306) are fixed to be set up on the internal face of protection section of thick bamboo (104), and two L shape pole (306) symmetry set up, spacing ring (302) are fixed to be set up between two L shape pole (306), movable rod (301) slip runs through spacing ring (302), shutoff stopper (303) are connected with movable rod (301), movable rod (301) are prismatic, the hole on spacing ring (302) is prismatic with movable rod (301) looks adaptation, shutoff ring (304) set up in threaded insertion section of thick bamboo (101), the one end of shutoff stopper (303) can peg graft in shutoff ring (304), external screw thread ring (305) cup joint on movable rod (301), a plurality of connecting rod (307) set up on movable rod (301) all connect on the external screw thread (305) and threaded connection (103) on the external screw thread (307) and the screw thread.
2. A barometric pressure sensor according to claim 1, wherein: the connecting assembly (4) comprises a threaded mounting cylinder (401) and a fixed cylinder (402), the fixed cylinder (402) is fixedly arranged on the threaded mounting cylinder (401), the threaded mounting cylinder (401) is in threaded connection with the inner wall surface of the protection cylinder (104), the fixed cylinder (402) is located in the protection cylinder (104), and the pressure sensor (201) is connected in the fixed cylinder (402) through glue.
3. A barometric pressure sensor according to claim 1, wherein: the inner wall surface of the plugging ring (304) is conical, and the plugging plug (303) is conical matched with the inner wall surface of the plugging ring (304).
4. A barometric pressure sensor according to claim 2, wherein: sealing rings (5) are arranged on the prismatic cylinder (102) and the fixed cylinder (402), the external thread connecting cylinder (103) is located inside the sealing rings (5) on the prismatic cylinder (102), the sealing rings (5) on the prismatic cylinder (102) are in contact with the inner side surface of the protection cylinder (104), and the sealing rings (5) on the fixed cylinder (402) are in contact with the inner wall surface of the protection cylinder (104).
5. A barometric pressure sensor according to claim 1, wherein: the novel ventilating device is characterized in that a ventilating tube (6) is further arranged on the prismatic tube (102), the external thread connecting tube (103) and the sealing ring (5) located on the prismatic tube (102) are located inside the ventilating tube (6), one end of the protective tube (104) is located inside the ventilating tube (6), and a plurality of ventilating holes (7) are formed in the ventilating tube (6).
6. A barometric pressure sensor according to claim 5, wherein: be provided with a plurality of first gag lever posts (8) on the internal face of air funnel (6), be provided with a plurality of second gag lever posts (9) on protection section of thick bamboo (104), a plurality of second gag lever posts (9) are located a plurality ofly respectively the below of first gag lever post (8), and a plurality of second gag lever posts (9) can contact with a plurality of first gag lever posts (8) respectively, protection section of thick bamboo (104) can drive a plurality of second gag lever posts (9) rotate to dislocation mutually with a plurality of first gag lever posts (8).
7. A barometric pressure sensor according to claim 1, wherein: a fixed rod (10) is arranged on one side surface, far away from the movable rod (301), of the plugging plug (303), an anti-blocking ring (11) is arranged on the fixed rod (10), and the anti-blocking ring (11) is in sliding connection with the inner wall surface of the threaded insertion barrel (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410258547.5A CN117848581B (en) | 2024-03-07 | 2024-03-07 | Air pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410258547.5A CN117848581B (en) | 2024-03-07 | 2024-03-07 | Air pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117848581A CN117848581A (en) | 2024-04-09 |
| CN117848581B true CN117848581B (en) | 2024-05-17 |
Family
ID=90533091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410258547.5A Active CN117848581B (en) | 2024-03-07 | 2024-03-07 | Air pressure sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN117848581B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5450377A (en) * | 1977-09-07 | 1979-04-20 | Fram Corp | Ambient air pressure detector |
| KR101590085B1 (en) * | 2015-02-27 | 2016-01-29 | 주식회사 협성히스코 | Valve for automaticaling blocking pressure leak for instrument measuring pressure |
| RU2628733C1 (en) * | 2016-04-20 | 2017-08-21 | Акционерное общество "Научно-исследовательский институт физических измерений" | Thin film pressure sensor |
| CN207689066U (en) * | 2018-01-17 | 2018-08-03 | 郑州旭飞光电科技有限公司 | Air pressure acquisition auxiliary device |
| CN211013346U (en) * | 2019-11-19 | 2020-07-14 | 宣城金盾防火设备有限公司 | Air pressure detection device for fire extinguisher |
| CN211668689U (en) * | 2020-04-10 | 2020-10-13 | 伊藤未来能源设备(上海)有限公司 | Quick pressure measuring device |
| CN112229564A (en) * | 2020-10-10 | 2021-01-15 | 天长市志昊机电配件有限公司 | Safety pressure gauge joint |
| CN217276662U (en) * | 2022-02-11 | 2022-08-23 | 无锡惠贻华普微电子有限公司 | Packaging structure of air pressure sensor |
| CN220251259U (en) * | 2023-07-19 | 2023-12-26 | 北京中瑞易安工程检测咨询有限公司 | Pressure detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2507720C (en) * | 2005-05-18 | 2011-07-12 | Kenneth Brad Hillman | Rotation-proof enclosure for pressure switch housing |
-
2024
- 2024-03-07 CN CN202410258547.5A patent/CN117848581B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5450377A (en) * | 1977-09-07 | 1979-04-20 | Fram Corp | Ambient air pressure detector |
| KR101590085B1 (en) * | 2015-02-27 | 2016-01-29 | 주식회사 협성히스코 | Valve for automaticaling blocking pressure leak for instrument measuring pressure |
| RU2628733C1 (en) * | 2016-04-20 | 2017-08-21 | Акционерное общество "Научно-исследовательский институт физических измерений" | Thin film pressure sensor |
| CN207689066U (en) * | 2018-01-17 | 2018-08-03 | 郑州旭飞光电科技有限公司 | Air pressure acquisition auxiliary device |
| CN211013346U (en) * | 2019-11-19 | 2020-07-14 | 宣城金盾防火设备有限公司 | Air pressure detection device for fire extinguisher |
| CN211668689U (en) * | 2020-04-10 | 2020-10-13 | 伊藤未来能源设备(上海)有限公司 | Quick pressure measuring device |
| CN112229564A (en) * | 2020-10-10 | 2021-01-15 | 天长市志昊机电配件有限公司 | Safety pressure gauge joint |
| CN217276662U (en) * | 2022-02-11 | 2022-08-23 | 无锡惠贻华普微电子有限公司 | Packaging structure of air pressure sensor |
| CN220251259U (en) * | 2023-07-19 | 2023-12-26 | 北京中瑞易安工程检测咨询有限公司 | Pressure detection device |
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| CN117848581A (en) | 2024-04-09 |
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