CN213455952U - High-stability monocrystalline silicon differential pressure sensor - Google Patents
High-stability monocrystalline silicon differential pressure sensor Download PDFInfo
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- CN213455952U CN213455952U CN202022778474.2U CN202022778474U CN213455952U CN 213455952 U CN213455952 U CN 213455952U CN 202022778474 U CN202022778474 U CN 202022778474U CN 213455952 U CN213455952 U CN 213455952U
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- fixedly connected
- differential pressure
- pressure sensor
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high stability monocrystalline silicon differential pressure sensor, including mounting bracket and installation cover, one side inner wall of installation cover is equipped with the treater, the bottom fixedly connected with connecting rod of installation cover, the bottom fixedly connected with detection head of connecting rod, the mounting hole has been seted up to one side of mounting bracket, and mounting hole and detection head swing joint, two go-between of one side inner wall fixedly connected with of mounting hole, one side swing joint of go-between have the casing, and the intercommunicating pore has been seted up to one side of casing, and the draw-in groove has been seted up to one side of intercommunicating pore. The utility model discloses not only can avoid producing the air gap because of the vibration between pipeline and the casing, improve device's stability, can also fill completely the clearance between pipeline and the casing, prevent revealing of the material that awaits measuring, improve device's measurement accuracy to can pass through the blow off pipe with the inside impurity that gathers of device and discharge, thereby avoid impurity absorption on the surface of detecting the head, improve device's life.
Description
Technical Field
The utility model relates to an industrial instrument technical field especially relates to a high stability monocrystalline silicon differential pressure sensor.
Background
The differential pressure sensor is a sensor for measuring the difference between two pressures, is used for measuring the differential pressure of the front end and the rear end of a certain device or part, is generally used for detecting the pressure difference of liquid or gas on a differential pressure transmitter, is widely applied to various industrial automatic control environments, and relates to petroleum pipelines, water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, boiler negative pressure and other industries. Through retrieval, the patent with the publication number of CN205209687U discloses a pressure differential pressure transmitter isolation module and a high-temperature resistant pressure differential pressure transmitter, which comprise a corrugated diaphragm, a corrugated flange, a capillary tube and filling liquid; wherein the corrugated diaphragm is welded at the bottom of the corrugated flange. The above patents suffer from the following disadvantages: the stability of device is not enough, leads to the pipeline of connecting not hard up easily to cause the influence to the testing result, can not satisfy people's requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-stability monocrystalline silicon differential pressure sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high stability monocrystalline silicon differential pressure sensor, includes mounting bracket and installation cover, one side inner wall of installation cover is equipped with the treater, the bottom fixedly connected with connecting rod of installation cover, the bottom fixedly connected with detection head of connecting rod, the mounting hole has been seted up to one side of mounting bracket, and mounting hole and detection head swing joint, two go-between of one side inner wall fixedly connected with of mounting hole, one side swing joint of go-between has the casing, and the intercommunicating pore has been seted up to one side of casing, and the draw-in groove has been seted up to one side of intercommunicating pore, one side fixedly connected with apron of casing, one side fixedly connected with second of apron are sealed, and the sealed pad of second and draw-in groove swing joint, one side fixedly connected with holder of mounting bracket, the both sides difference fixedly connected.
Furthermore, a sewage draining outlet is formed in one side of the shell, a sewage draining pipe is movably connected in the sewage draining outlet, and a control valve is arranged at one end of the sewage draining pipe.
Furthermore, one side of the mounting cover is provided with an instrument panel, and one side of the instrument panel is fixedly connected with a protective cover.
Further, the bottom fixedly connected with base of mounting bracket, the bottom fixedly connected with rubber pad of base.
Furthermore, one side swing joint of detecting the head has two first sealed fill up, and just first sealed fill up and be located between detecting head and the mounting hole.
Furthermore, one side of the shell is movably connected with a fastening bolt, and the inner wall of one side of the communicating hole is fixedly connected with a filter screen.
The utility model has the advantages that:
1. the retainer and the hoop can tightly fix the pipeline, so that the pipeline can be prevented from being influenced by vibration, air gaps between the pipeline and the shell due to vibration are avoided, and the stability of the device is improved.
2. The second sealing gasket can be extruded into the clamping groove through the cover plate, so that the second sealing gasket can be tightly attached to the clamping groove, the gap between the pipeline and the shell is completely filled, leakage of substances to be detected is prevented, and the measurement precision of the device is improved.
3. Through the setting at the one end installation blow off pipe of intercommunicating pore for the impurity that the device inside was gathered can discharge through the blow off pipe, avoids the inside impurity of device to adsorb on the surface of detecting the head, thereby has improved the life of device.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a high-stability monocrystalline silicon differential pressure sensor provided by the present invention;
fig. 2 is an exploded schematic view of a high-stability monocrystalline silicon differential pressure sensor provided by the present invention;
fig. 3 is the utility model provides a cross-sectional structure schematic diagram of high stability monocrystalline silicon differential pressure sensor.
In the figure: 1. a protective cover; 2. mounting a cover; 3. a connecting rod; 4. a mounting frame; 5. an instrument panel; 6. a control valve; 7. a blow-off pipe; 8. fastening a bolt; 9. a housing; 10. a base; 11. a cover plate; 12. hooping; 13. a holder; 14. a processor; 15. a first gasket; 16. a detection head; 17. a connecting ring; 18. a communicating hole; 19. a second gasket; 20. a card slot; 21. and (4) a filter screen.
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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Referring to fig. 1-3, a high-stability monocrystalline silicon differential pressure sensor comprises a mounting frame 4 and a mounting cover 2, wherein a processor 14 is arranged on an inner wall of one side of the mounting cover 2, preferably, the processor 14 is ARM9TDMI, a connecting rod 3 is fixed on the bottom of the mounting cover 2 through a bolt, a detection head 16 is fixed at the bottom end of the connecting rod 3 through a bolt, the detection head 16 can detect the pressure of a substance to be detected on two sides and transmit data to the processor 14 for processing, a mounting hole is formed in one side of the mounting frame 4 and is clamped with the detection head 16, two connecting rings 17 are welded on the inner wall of one side of the mounting hole, a shell 9 is sleeved on one side of the connecting rings 17, a communication hole 18 is formed in one side of the shell 9, a clamping groove 20 is formed in one side of the communication hole 18, a cover plate 11 is fixed on one side of the shell 9 through a bolt, and the second is sealed 19 and draw-in groove 20 joint mutually, the second is sealed 19 can closely laminate with draw-in groove 20 under the pressure effect of apron 11 to fill the clearance between pipeline and casing 9 completely, the leakage of the material that awaits measuring has been avoided, the measurement accuracy of device has been improved, one side of mounting bracket 4 is fixed with holder 13 through the bolt, the both sides of holder 13 are fixed with staple bolt 12 through the bolt respectively, one side of staple bolt 12 bonds there is the slipmat, through the setting of staple bolt 12 and holder 13 expert, make staple bolt 12 can closely fix the pipeline, thereby the rocking of pipeline has been prevented, avoid producing the air gap because of the vibration between pipeline and the casing 9, the stability of device has been improved.
In the utility model, a sewage draining outlet is arranged on one side of a shell 9, a sewage draining pipe 7 is inserted in the sewage draining outlet, a control valve 6 is arranged at one end of the sewage draining pipe 7, the control valve 6 is opened, impurities accumulated in the device can be discharged through the sewage draining pipe 7, thereby preventing the impurities in the device from being adsorbed on the surface of a detection head 16, the service life of the device is prolonged, an instrument panel 5 is arranged on one side of an installation cover 2, a protective cover 1 is fixed on one side of the instrument panel 5 through bolts, the instrument panel 5 can visually display the pressure difference data of substances to be detected on two sides, the protective cover 1 can prevent the instrument panel 5 from being damaged outside, the device is firmer, a base 10 is fixed on the bottom of the installation frame 4 through bolts, a rubber pad is bonded on the bottom of the base 10, the rubber pad can prevent the base 10 from sliding, thereby slowing down the vibration effect of the device, two, and first sealed pad 15 is located between detection head 16 and the mounting hole, can avoid the to-be-measured material of device both sides to mix together through the setting of first sealed pad 15 to improved the reliability of device, one side threaded connection of casing 9 has fastening bolt 8, one side inner wall of intercommunicating pore 18 has filter screen 21 through the bolt fastening, filter screen 21 can be with the most impurity filtering through intercommunicating pore 18, thereby avoided impurity to disturb detection head 16, make the testing result more accurate.
The working principle is as follows: during the use, at first with the pipeline and the casing 9 threaded connection that need detect, then pass through bolt fastening with apron 11 and casing 9, make apron 11 with the inside of the extrusion entering draw-in groove 20 of second sealed pad 19, thereby prevent the material that awaits measuring to leak, pass through bolt fastening with staple bolt 12 and holder 13 after that, make staple bolt 12 closely fixed the pipeline, thereby the rocking of pipeline has been prevented, avoided producing the air gap because of the vibration between pipeline and the casing 9, when needing to carry out the pressure differential detection to the pipeline, the material that awaits measuring of the inside circulation of pipeline flows in intercommunicating pore 18 inside, and contact with detection head 16 through go-between 17, detect head 16 with the pressure differential data transmission who records to treater 14 and handle, then will record data display through panel board 5, detect the completion.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high stability monocrystalline silicon differential pressure sensor, includes mounting bracket (4) and installation cover (2), its characterized in that, one side inner wall of installation cover (2) is equipped with treater (14), the bottom fixedly connected with connecting rod (3) of installation cover (2), the bottom fixedly connected with of connecting rod (3) detects head (16), the mounting hole has been seted up to one side of mounting bracket (4), and mounting hole and detection head (16) swing joint, one side inner wall fixedly connected with two go-between (17) of mounting hole, one side swing joint of go-between (17) has casing (9), intercommunicating pore (18) have been seted up to one side of casing (9), draw-in groove (20) have been seted up to one side of intercommunicating pore (18), one side fixedly connected with apron (11) of casing (9), one side fixedly connected with second sealed pad (19) of apron (11), and the second sealing gasket (19) is movably connected with the clamping groove (20), one side of the mounting rack (4) is fixedly connected with the retainer (13), two sides of the retainer (13) are respectively fixedly connected with the hoop (12), and one side of the hoop (12) is fixedly connected with the non-slip mat.
2. The high-stability monocrystalline silicon differential pressure sensor is characterized in that one side of the shell (9) is provided with a sewage draining outlet, a sewage draining pipe (7) is movably connected in the sewage draining outlet, and one end of the sewage draining pipe (7) is provided with a control valve (6).
3. The monocrystalline silicon differential pressure sensor with high stability is characterized in that one side of the mounting cover (2) is provided with an instrument panel (5), and one side of the instrument panel (5) is fixedly connected with a protective cover (1).
4. The high-stability monocrystalline silicon differential pressure sensor is characterized in that a base (10) is fixedly connected to the bottom of the mounting frame (4), and a rubber pad is fixedly connected to the bottom of the base (10).
5. The monocrystalline silicon differential pressure sensor is characterized in that two first sealing gaskets (15) are movably connected to one side of the detection head (16), and the first sealing gaskets (15) are positioned between the detection head (16) and the mounting hole.
6. The monocrystalline silicon differential pressure sensor with high stability of claim 1, wherein a fastening bolt (8) is movably connected to one side of the shell (9), and a filter screen (21) is fixedly connected to the inner wall of one side of the communication hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778474.2U CN213455952U (en) | 2020-11-26 | 2020-11-26 | High-stability monocrystalline silicon differential pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778474.2U CN213455952U (en) | 2020-11-26 | 2020-11-26 | High-stability monocrystalline silicon differential pressure sensor |
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| Publication Number | Publication Date |
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| CN213455952U true CN213455952U (en) | 2021-06-15 |
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| CN202022778474.2U Active CN213455952U (en) | 2020-11-26 | 2020-11-26 | High-stability monocrystalline silicon differential pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777993A (en) * | 2022-04-15 | 2022-07-22 | 苏州森斯缔夫传感科技有限公司 | A high overload single crystal silicon differential pressure sensor |
-
2020
- 2020-11-26 CN CN202022778474.2U patent/CN213455952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777993A (en) * | 2022-04-15 | 2022-07-22 | 苏州森斯缔夫传感科技有限公司 | A high overload single crystal silicon differential pressure sensor |
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