CN201852670U - Dynamic impact resistant high-pressure sensor - Google Patents
Dynamic impact resistant high-pressure sensor Download PDFInfo
- Publication number
- CN201852670U CN201852670U CN2010205844333U CN201020584433U CN201852670U CN 201852670 U CN201852670 U CN 201852670U CN 2010205844333 U CN2010205844333 U CN 2010205844333U CN 201020584433 U CN201020584433 U CN 201020584433U CN 201852670 U CN201852670 U CN 201852670U
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- pressure
- stainless steel
- sintering base
- pressure sensor
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Abstract
The utility model provides a dynamic impact resistant high-pressure sensor, which comprises a sintering base, a stainless steel shell, a corrugated diaphragm, a pressing ring, a high-pressure sensing chip, a lead wire, a wiring terminal, a pressure interface and a pressure buffering device, and is characterized in that: the sintering base is arranged at one end of the stainless steel shell; the pressure interface is arranged at the other end of the stainless steel shell; the pressure buffering device is arranged in a pressure hole of the pressure interface in a rotating manner; the high-pressure sensing chip is arranged on the sintering base and connected with the wiring terminal on the sintering base through the lead wire; a stainless steel corrugated diaphragm is arranged at the top part of an inner cavity; and the pressing ring is arranged at the outer side of the corrugated diaphragm. The dynamic impact resistant high-pressure sensor has the advantages that a pressure pulse buffering device is additionally arranged, cavitation, liquid hammers and pressure peaks can be effectively inhibited in case of dynamic pressure impacts, the damage of the dynamic impact on the high-pressure sensor can be slowed down, the service life of the sensor can be effectively prolonged, the structure is simple and reliable, and the dynamic impact resistant high-pressure sensor can be used for high-pressure measurement in a severe industrial environment.
Description
Technical field
The utility model relates to a kind of pressure test element, particularly a kind of high pressure sensor of anti-dynamic impulsion.
Background technology
At present, increasing in fields such as petrochemical complex, engineering machinery to the demand of high pressure sensor, and the high pressure sensor that is applied to these engineering fields usually all is faced with harsh industrial environment, as air pocket, liquid hammer or dynamic impulsion etc., high pressure sensor is lost efficacy in a short time.For example: in the hydraulic system of change in flow, the quick closedown of valve, or the unlatching of pump and stopping, can produce dynamic pressure in hydraulic system impacts, and the dynamic pressure impact is attended by air pocket, liquid hammer and pressure peak usually, in such engineering was used, high pressure sensor can be damaged in a short time.
Summary of the invention
The purpose of this utility model is at the defective that exists in the prior art, and a kind of high pressure sensor of anti-dynamic impulsion is provided.The invention provides a kind of high pressure sensor that can be applied in the harsh industrial environment,, can when dynamic pressure impacts, suppress the infringement of dynamic impulsion, thereby prolong the serviceable life of sensor effectively sensor by the pressure pulse snubber assembly.The utility model comprises: the sintering base, stainless steel casing, convoluted diaphragm, pressure ring, the high pressure sensing chip, lead-in wire, binding post, pressure interface, pressure buffer device, an end that it is characterized in that described stainless steel casing is provided with the sintering base, the other end is provided with pressure interface, be provided with internal thread in the pressure tap of pressure interface, the pressure buffer device outside is provided with external thread, spinning is in the pressure tap of pressure interface, the sintering base is provided with an inner chamber, the bottom of inner chamber is provided with a groove, be provided with a high pressure sensing chip in the groove, the high pressure sensing chip is connected with binding post on the sintering base through lead-in wire, the top of inner chamber is provided with stainless steel ripple diaphragm, and the convoluted diaphragm outside is provided with pressure ring.The outside of pressure interface is provided with external thread.
The utility model has the advantages that has increased the pressure pulse snubber assembly, can be when dynamic pressure impacts, suppress air pocket, liquid hammer and pressure peak effectively, slow down the infringement of dynamic impulsion to high pressure sensor, prolonged the serviceable life of sensor effectively, simple and reliable for structure, can measure the high pressure of 60MPa, can be used for the high-tension measurement of harsh industrial environment.
Description of drawings
Fig. 1 structural representation of the present utility model.
1 sintering base, 2 stainless steel casings, 3 convoluted diaphragms, 4 pressure rings, 5 high pressure sensing chips, 6 lead-in wires, 7 binding posts, 8 pressure interfaces, 9 pressure buffer devices.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing:
Referring to Fig. 1, an end of stainless steel casing 2 is provided with sintering base 1, and sintering base 1 and stainless steel casing 2 be through interference fit, and at binding site through being welded to connect.The other end of stainless steel casing 2 is provided with pressure interface 8, be provided with internal thread in the pressure tap of pressure interface 8, pressure buffer device 9 outsides are provided with external thread, and spinning is in the pressure tap of pressure interface 8, pressure pulse snubber assembly 9 is a stainless steel cylinder, and cylinder is provided with an oblique aperture.Sintering base 1 is provided with an inner chamber, the bottom of inner chamber is provided with a groove, is provided with a high pressure sensing chip 5 in the groove, and high pressure sensing chip 56 is connected with binding post 7 on the sintering base through going between, the top of inner chamber is provided with stainless steel ripple diaphragm 3, and convoluted diaphragm 3 outsides are provided with pressure ring 4.The outside of pressure interface 8 is provided with external thread, is used for being connected with the outer end.
Claims (3)
1. the high pressure sensor of an anti-dynamic impulsion, comprise: the sintering base, stainless steel casing, convoluted diaphragm, pressure ring, the high pressure sensing chip, lead-in wire, binding post, pressure interface, pressure buffer device, an end that it is characterized in that described stainless steel casing is provided with the sintering base, the other end is provided with pressure interface, be provided with internal thread in the pressure tap of pressure interface, the pressure buffer device outside is provided with external thread, spinning is in the pressure tap of pressure interface, the sintering base is provided with an inner chamber, the bottom of inner chamber is provided with a groove, be provided with a high pressure sensing chip in the groove, the high pressure sensing chip is connected with binding post on the sintering base through lead-in wire, the top of inner chamber is provided with stainless steel ripple diaphragm, and the convoluted diaphragm outside is provided with pressure ring, and the outside of pressure interface is provided with external thread.
2. the high pressure sensor of anti-dynamic impulsion according to claim 1 is characterized in that described sintering base and stainless steel casing through interference fit, and at binding site through being welded to connect.
3. the high pressure sensor of anti-dynamic impulsion according to claim 1 is characterized in that described pressure buffer device is a stainless steel cylinder, and cylinder is provided with an oblique aperture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205844333U CN201852670U (en) | 2010-10-29 | 2010-10-29 | Dynamic impact resistant high-pressure sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205844333U CN201852670U (en) | 2010-10-29 | 2010-10-29 | Dynamic impact resistant high-pressure sensor |
Publications (1)
Publication Number | Publication Date |
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CN201852670U true CN201852670U (en) | 2011-06-01 |
Family
ID=44095059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010205844333U Expired - Lifetime CN201852670U (en) | 2010-10-29 | 2010-10-29 | Dynamic impact resistant high-pressure sensor |
Country Status (1)
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CN (1) | CN201852670U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901602A (en) * | 2012-10-19 | 2013-01-30 | 徐州五洋科技股份有限公司 | Hall type oil and gas pressure sensor |
CN103645002A (en) * | 2013-11-27 | 2014-03-19 | 芜湖通和汽车管路***有限公司 | Hydraulic sensor pedestal |
CN104456083A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pressure switch, pipeline system and air conditioning unit |
CN110763395A (en) * | 2019-10-30 | 2020-02-07 | 南京高华科技股份有限公司 | Pressure measuring device |
CN113945320A (en) * | 2021-09-29 | 2022-01-18 | 吴伟玲 | Pressure sensor module |
-
2010
- 2010-10-29 CN CN2010205844333U patent/CN201852670U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901602A (en) * | 2012-10-19 | 2013-01-30 | 徐州五洋科技股份有限公司 | Hall type oil and gas pressure sensor |
CN104456083A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pressure switch, pipeline system and air conditioning unit |
CN103645002A (en) * | 2013-11-27 | 2014-03-19 | 芜湖通和汽车管路***有限公司 | Hydraulic sensor pedestal |
CN110763395A (en) * | 2019-10-30 | 2020-02-07 | 南京高华科技股份有限公司 | Pressure measuring device |
CN113945320A (en) * | 2021-09-29 | 2022-01-18 | 吴伟玲 | Pressure sensor module |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
CX01 | Expiry of patent term |