CN220339564U - Pressure sensor is used in measurement that resistance to compression is strong - Google Patents
Pressure sensor is used in measurement that resistance to compression is strong Download PDFInfo
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- CN220339564U CN220339564U CN202322057335.4U CN202322057335U CN220339564U CN 220339564 U CN220339564 U CN 220339564U CN 202322057335 U CN202322057335 U CN 202322057335U CN 220339564 U CN220339564 U CN 220339564U
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- 230000006835 compression Effects 0.000 title claims abstract description 24
- 238000007906 compression Methods 0.000 title claims abstract description 24
- 238000005259 measurement Methods 0.000 title claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a pressure sensor with high compression resistance for measurement, which comprises a sensor shell, wherein an induction element and a signal processing element are arranged in the sensor shell; the sensing element consists of a diaphragm, a transfer beam, a cantilever beam and an SOI chip, and the signal processing element consists of a lead and a cable; the sensor shell is connected with the pipeline through the connector, the connector is provided with the compression-resistant device, the vertical rod is arranged on the circular plate, the shell is arranged on the connector, the through hole is formed in the shell, the vertical rod penetrates through the through hole and extends to the inside of the shell, and the circular block is arranged on the vertical rod. The medium in the pipeline gets into in the sensor shell through the connector, and the medium pressure is strong to be acted on the plectane, and the plectane moves up, then the montant moves up in the through-hole in the casing, and the montant drives the button and moves up, makes the spring compression, can slow down the medium through the elasticity of spring and directly to the pressure of diaphragm, makes the diaphragm resistance to compression strong, prevents the damage.
Description
Technical Field
The utility model relates to the technical field of pressure sensors, in particular to a pressure sensor with high pressure resistance for measurement.
Background
The pressure sensor is a device or a device which can sense pressure signals and convert the pressure signals into usable output electric signals according to a certain rule, is the most commonly used sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway transportation, intelligent building, production automatic control, aerospace, military industry, pipelines and the like.
Disclosure of Invention
The utility model aims to provide a pressure sensor with strong compression resistance, which aims to solve the problems that the pressure of a medium in a pipeline directly acts on a diaphragm of the sensor in the conventional pressure sensor for measuring a pipeline in the prior art, so that the diaphragm generates micro displacement in proportion to the pressure of the medium, and the diaphragm of the sensor is weakened and damaged due to the long-term action of the medium due to the strong pressure of the medium in the pipeline.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pressure sensor for measurement with high compression resistance comprises a sensor shell, wherein an induction element and a signal processing element are arranged in the sensor shell;
the sensing element consists of a diaphragm, a transfer beam, a cantilever beam and an SOI chip, and the signal processing element consists of a lead and a cable;
the sensor shell is connected with the pipeline through a connector, and a compression-resistant device is arranged on the connector and comprises a circular plate, a vertical rod, a shell, a through hole, a circular block and a spring;
the vertical rod is arranged on the circular plate, the shell is arranged on the connecting head, the through hole is formed in the shell, the vertical rod penetrates through the through hole and extends into the shell, the circular block is arranged on the vertical rod, the spring is sleeved on the vertical rod, and the spring is arranged between the circular block and the shell;
the number of the vertical rods is not less than two.
Preferably, a circular ring is arranged on the sensor shell, the cable is arranged in the circular ring, two ends of the cable extend out of the circular ring, a round hole is formed in the sensor shell, and the cable extends into the sensor shell through the round hole;
the cable is externally sleeved with a disc-shaped rubber rod, and the disc-shaped rubber rod is arranged on the circular ring.
Preferably, the disc-shaped rubber rod is arranged on the circular ring through a clamping device, and the clamping device comprises a clamping block and a clamping groove;
the clamping block is arranged on the disc-shaped rubber rod, the clamping groove is formed in the circular ring, and the clamping block is clamped in the clamping groove.
Preferably, the clamping block is arranged on the disc-shaped rubber rod through a connecting device, and the connecting device comprises a groove, a rubber column, four bulges and three rubber rings;
the groove is formed in the disc-shaped rubber rod, the rubber column is mounted on the clamping block, the rubber column is arranged in the groove, four protrusions are machined on the rubber column at equal intervals, and a rubber ring is sleeved between every two adjacent protrusions.
Preferably, the connector is sleeved in the sensor shell.
Preferably, the connector is sleeved in the pipeline.
Compared with the prior art, the utility model has the beneficial effects that: this pressure sensor for measurement that resistance to compression is strong, compared with the conventional art, has following advantage:
the medium in the pipeline gets into in the sensor shell through the connector, and the medium pressure is strong to be acted on the plectane, and the plectane moves up, then the montant moves up in the through-hole in the casing, and the montant drives the button and moves up, makes the spring compression, can slow down the medium through the elasticity of spring and directly to the pressure of diaphragm, makes the diaphragm resistance to compression strong, prevents the damage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of FIG. 1A;
fig. 3 is a schematic diagram of the structure of B in fig. 1.
In the figure: 1. sensor housing, 2, connector, 3, pipeline, 4, compression device, 401, plectane, 402, montant, 403, casing, 404, through-hole, 405, button, 406, spring, 5, joint device, 501, fixture block, 502, draw-in groove, 6, connecting device, 601, recess, 602, rubber post, 603, arch, 604, rubber circle, 7, diaphragm, 8, transfer beam, 9, cantilever beam, 10, SOI chip, 11, lead wire, 12, cable, 13, ring, 14, disk rubber pole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the pressure sensor for measurement with high compression resistance comprises a sensor housing 1, wherein an induction element and a signal processing element are arranged in the sensor housing 1;
the sensing element consists of a diaphragm 7, a transfer beam 8, a cantilever beam 9 and an SOI chip 10, the pressure of a medium in a pipeline directly acts on the diaphragm 7 of the sensor, so that the diaphragm 7 generates micro displacement proportional to the pressure of the medium, a sensing signal is transmitted to the SOI chip 10 through the transfer beam 8 and the cantilever beam 9, the signal processing element consists of a lead 11 and a cable 12, and the SOI chip 10 converts the sensing signal into an electric signal and transmits the electric signal to the cable 12 through the lead 11;
the sensor housing 1 is connected with the pipeline 3 through the connector 2, the connector 2 is sleeved in the sensor housing 1, the connector 2 is sleeved in the pipeline 3, a medium in the pipeline 3 enters the sensor housing 1 through the connector 2 and acts on the diaphragm 7, the connector 2 is provided with the compression-resistant device 4, and the compression-resistant device 4 comprises a circular plate 401, a vertical rod 402, a shell 403, a through hole 404, a round block 405 and a spring 406;
the vertical rod 402 is arranged on the circular plate 401, the shell 403 is arranged on the connector 2, the through hole 404 is formed in the shell 403, the vertical rod 402 penetrates through the through hole 404 to extend into the shell 403, the round block 405 is arranged on the vertical rod 402, the spring 406 is sleeved on the vertical rod 402, the spring 406 is arranged between the round block 405 and the shell 403, when a medium enters the sensor shell 1, the medium pressure acts on the circular plate 401, the circular plate 401 moves upwards, the vertical rod 402 moves upwards in the through hole 404 in the shell 403, the vertical rod 402 drives the round block 405 to move upwards, the spring 406 is compressed, and the pressure of the medium on the membrane 7 can be relieved through the elasticity of the spring 406;
the number of the vertical rods 402 is not less than two, so that the circular plate 401 is supported stably.
The sensor housing 1 is provided with a circular ring 13, the cable 12 is arranged in the circular ring 13, two ends of the cable 12 extend out of the circular ring 13, the sensor housing 1 is provided with a round hole, the cable 12 extends into the sensor housing 1 through the round hole, and the cable 12 is connected with the lead 11;
the cable 12 is sleeved with a disc-shaped rubber rod 14 outside, the cable 12 is protected by the disc-shaped rubber rod 14 from being broken, the disc-shaped rubber rod 14 is arranged on the circular ring 13 through a clamping device 5, and the clamping device 5 comprises a clamping block 501 and a clamping groove 502;
the clamping block 501 is arranged on the disc-shaped rubber rod 14, the clamping block 501 is arranged on the disc-shaped rubber rod 14 through the connecting device 6, and the connecting device 6 comprises a groove 601, a rubber column 602, four protrusions 603 and three rubber rings 604;
the groove 601 is formed in the disc-shaped rubber rod 14, the rubber column 602 is mounted on the clamping block 501, the rubber column 602 is arranged in the groove 601, the rubber column 602 is in interference connection with the groove 601, the clamping block 501 is connected with the disc-shaped rubber rod 14 through the rubber column 602, four protrusions 603 are equidistantly machined on the rubber column 602, a rubber ring 604 is sleeved between every two adjacent protrusions 603, friction force between the rubber column 602 and the groove 601 is increased by the four protrusions 603 and three rubber rings 604, connection between the rubber column 602 and the groove 601 is firmer, the shell is protected by selecting a proper disc-shaped rubber rod 14 according to the length of a cable 12, the clamping groove 502 is formed in the circular ring 13, the clamping block 501 is clamped in the clamping groove 502, and the disc-shaped rubber rod 14 is connected to the circular ring 13, so that the disc-shaped rubber rod 14 is convenient to assemble and disassemble.
When the pressure sensor with high pressure resistance is used, firstly, the sensor housing 1 is connected with the pipeline 3 through the connector 2, a medium in the pipeline 3 enters the sensor housing 1 through the connector 2, the medium pressure acts on the circular plate 401, the circular plate 401 moves upwards, the vertical rod 402 moves upwards in the through hole 404 in the shell 403, the vertical rod 402 drives the circular block 405 to move upwards, the spring 406 is compressed, the pressure of the medium directly to the diaphragm 7 can be relieved through the elasticity of the spring 406, the medium bypasses the circular plate 401 and acts on the diaphragm 7, the diaphragm 7 generates micro displacement in proportion to the medium pressure, an induction signal is transmitted to the SOI chip 10 through the transmission beam 8 and the cantilever beam 9, and the SOI chip 10 converts the induction signal into an electric signal and transmits the electric signal to the cable 12 through the lead 11.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pressure sensor for measurement that resistance to compression is strong, includes sensor housing (1), its characterized in that: an induction element and a signal processing element are arranged in the sensor shell (1);
the sensing element consists of a diaphragm (7), a transfer beam (8), a cantilever beam (9) and an SOI chip (10), and the signal processing element consists of a lead (11) and a cable (12);
the sensor is characterized in that the sensor shell (1) is connected with the pipeline (3) through the connector (2), the connector (2) is provided with the compression-resistant device (4), and the compression-resistant device (4) comprises a circular plate (401), a vertical rod (402), a shell (403), a through hole (404), a circular block (405) and a spring (406);
the vertical rod (402) is arranged on the circular plate (401), the shell (403) is arranged on the connector (2), the through hole (404) is formed in the shell (403), the vertical rod (402) penetrates through the through hole (404) to extend into the shell (403), the round block (405) is arranged on the vertical rod (402), the spring (406) is sleeved on the vertical rod (402), and the spring (406) is arranged between the round block (405) and the shell (403);
the number of the vertical rods (402) is not less than two.
2. A pressure sensor for measuring resistance to compression as defined in claim 1, wherein: the sensor is characterized in that a circular ring (13) is arranged on the sensor housing (1), the cable (12) is arranged in the circular ring (13), two ends of the cable (12) extend out of the circular ring (13), a circular hole is formed in the sensor housing (1), and the cable (12) penetrates through the circular hole and extends into the sensor housing (1);
a disc-shaped rubber rod (14) is sleeved outside the cable (12), and the disc-shaped rubber rod (14) is installed on the circular ring (13).
3. A pressure sensor for measuring resistance to compression according to claim 2, characterized in that: the disc-shaped rubber rod (14) is arranged on the circular ring (13) through the clamping device (5), and the clamping device (5) comprises a clamping block (501) and a clamping groove (502);
the clamping block (501) is arranged on the disc-shaped rubber rod (14), the clamping groove (502) is formed in the circular ring (13), and the clamping block (501) is clamped in the clamping groove (502).
4. A pressure sensor for measuring resistance to compression according to claim 3, characterized in that: the clamping block (501) is arranged on the disc-shaped rubber rod (14) through the connecting device (6), and the connecting device (6) comprises a groove (601), a rubber column (602), four protrusions (603) and three rubber rings (604);
the groove (601) is formed in the disc-shaped rubber rod (14), the rubber column (602) is mounted on the clamping block (501), the rubber column (602) is arranged in the groove (601), four protrusions (603) are equidistantly machined on the rubber column (602), and a rubber ring (604) is sleeved between every two adjacent protrusions (603).
5. A pressure sensor for measuring resistance to compression as defined in claim 1, wherein: the connector (2) is sleeved in the sensor shell (1).
6. A pressure sensor for measuring resistance to compression as defined in claim 1, wherein: the connector (2) is sleeved in the pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057335.4U CN220339564U (en) | 2023-08-02 | 2023-08-02 | Pressure sensor is used in measurement that resistance to compression is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057335.4U CN220339564U (en) | 2023-08-02 | 2023-08-02 | Pressure sensor is used in measurement that resistance to compression is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220339564U true CN220339564U (en) | 2024-01-12 |
Family
ID=89449950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322057335.4U Active CN220339564U (en) | 2023-08-02 | 2023-08-02 | Pressure sensor is used in measurement that resistance to compression is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220339564U (en) |
-
2023
- 2023-08-02 CN CN202322057335.4U patent/CN220339564U/en active Active
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