CN109186851A - A kind of many reference amounts differential pressure pick-up - Google Patents
A kind of many reference amounts differential pressure pick-up Download PDFInfo
- Publication number
- CN109186851A CN109186851A CN201811129843.6A CN201811129843A CN109186851A CN 109186851 A CN109186851 A CN 109186851A CN 201811129843 A CN201811129843 A CN 201811129843A CN 109186851 A CN109186851 A CN 109186851A
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- China
- Prior art keywords
- pressure
- ontology
- negative
- isolation diaphragm
- tube socket
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- 238000002955 isolation Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L15/00—Devices or apparatus for measuring two or more fluid pressure values simultaneously
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A kind of many reference amounts differential pressure pick-up, it include: ontology, set on the sleeve of ontology one end, the tube socket on the inside of sleeve, circuit board is equipped between the tube socket and ontology, the body interior is respectively equipped with the positive pressure passageway of L-type and negative pressure channel, and the outer body face is symmetrically arranged with anode isolation diaphragm, negative terminal isolation diaphragm, the anode isolation diaphragm and negative terminal isolation diaphragm lateral surface are equipped with diaphragm weld-ring；Through position is welded between the tube socket and ontology, the circuit board is equipped with gauge pressure chip, absolute pressure chip, the positive test end of the gauge pressure chip and the absolute pressure chip is connected by the pilot medium in positive pressure passageway with anode isolation diaphragm, and the negative sense test lead of the gauge pressure chip is connected by the pilot medium in negative chamber cross-drilled hole oil duct and second pipe, negative pressure channel with negative terminal isolation diaphragm.The sensor can solve the problems, such as to cause because additionally increasing pressure sensor system complex, at high cost while measuring system differential pressure with the static pressure pressure of measuring system.
Description
[technical field]
Has the difference of bigger unidirectional overvoltage protection the present invention relates to a kind of many reference amounts differential pressure pick-up, especially chip
Pressure sensor.
[background technique]
Currently, there are many structure types for well known differential pressure pick-up, it is provided with the function of protection silicon differential pressure chip, but it is public
These differential pressure pick-ups known can only measure the differential pressure for measuring system, cannot simultaneously measuring system static pressure pressure.Such as
Fruit thinks measuring system static pressure, needs additionally to increase pressure sensor, thus brings system complex, problem at high cost.
[summary of the invention]
To solve the above-mentioned problems, the present invention provides a kind of many reference amounts differential pressure pick-up, in the same of measuring system differential pressure
When can with the static pressure pressure of measuring system, solve the prior art cause because additionally increasing pressure sensor system complex, at
This high problem.
The present invention is achieved by the following technical solutions, provides a kind of many reference amounts differential pressure pick-up, comprising: ontology is set
In the sleeve of ontology one end, the tube socket on the inside of sleeve, the sleeve and tube socket are coaxially disposed, and the sleeve one end is inserted in
In ontology, circuit board is equipped between the tube socket and ontology, which is characterized in that it is logical that the body interior is respectively equipped with L-type positive pressure
Road and negative pressure channel, the positive pressure passageway, negative pressure channel two-port are pierced by respectively at ontology, and the outer body face is symmetrically arranged with
Anode isolation diaphragm, negative terminal isolation diaphragm, the anode isolation diaphragm and negative terminal isolation diaphragm lateral surface are equipped with diaphragm weld-ring；Institute
The through position being welded between tube socket and ontology for realizing positive and negative chamber isolating seal is stated, which is equipped with and positive pressure passageway
The first pipe of connection, the tube socket is interior to be equipped with the negative chamber cross-drilled hole oil duct being connected to by second pipe, and the tube socket is close to ontology
One end offer the holding tank for mounting circuit boards, the circuit board is equipped with gauge pressure chip, absolute pressure chip, the gauge pressure
The positive test end of chip and the absolute pressure chip is connected by the pilot medium charged in positive pressure passageway with anode isolation diaphragm,
The negative sense test lead of the gauge pressure chip passes through the pilot medium that charges in negative chamber cross-drilled hole oil duct and second pipe, negative pressure channel
It is connected with negative terminal isolation diaphragm.
Particularly, the cover board being made using isolation material is equipped between the tube socket and through position.
Particularly, the second pipe is along the circular passage that sleeve, through position, tube socket wall body are arranged.
Particularly, the anode isolation diaphragm, negative terminal isolation diaphragm are respectively waveform, and to be in contact with it face same for ontology
For waveform.
Particularly, the ontology is equipped with the annular groove for being inserted into sleeve ends, the ontology close to one end of sleeve
It is welded with barrel contacts face.
The present invention provides a kind of many reference amounts differential pressure pick-up, realizes static pressure measurement by increasing absolute pressure chip on tube socket
The positive and negative terminal of sensor is kept apart by 2 welding (i.e. through position respectively with tube socket, ontology), realizes gauge pressure chip by function
Measuring system differential pressure pressure value, absolute pressure chip measure the pressure value of positive pressure side, and technique is simpler.
[Detailed description of the invention]
Fig. 1 is a kind of sectional view of many reference amounts differential pressure pick-up of the present invention；
Fig. 2 is a kind of decomposition diagram of many reference amounts differential pressure pick-up of the present invention；
Fig. 3 is the partial enlarged view of Fig. 2 of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
One step is described in detail.
Fig. 1-3 is please referred to, the present invention provides a kind of many reference amounts differential pressure pick-up, comprising: ontology 1, set on 1 one end of ontology
Sleeve 2, the tube socket 3 set on 2 inside of sleeve, the sleeve 2 are equipped with screw thread far from the side inner wall and/or outer wall of ontology 1, are convenient for
The differential pressure pick-up is installed on required installing component, the sleeve 2 is coaxially disposed with tube socket 3, and 2 one end of sleeve plugs
In in ontology 1, circuit board 4 is equipped between the tube socket 3 and ontology 1, which is characterized in that be respectively equipped with L-type inside the ontology 1
Positive pressure passageway 5 and negative pressure channel 6, the positive pressure passageway 5,6 two-port of negative pressure channel are pierced by respectively at ontology 1, and outside the ontology 1
Side is symmetrically arranged with anode isolation diaphragm 7, negative terminal isolation diaphragm 8,8 outside of the anode isolation diaphragm 7 and negative terminal isolation diaphragm
Face is equipped with diaphragm weld-ring 9；It is welded between the tube socket 3 and ontology 1 for realizing the through position 10 of positive and negative chamber isolating seal, it should
Through position 10 is equipped with the first pipe 11 being connected to positive pressure passageway 5, is equipped in the tube socket 3 and passes through what second pipe 12 was connected to
Negative chamber cross-drilled hole oil duct 13, the tube socket 3 offer the holding tank 14 for mounting circuit boards 4, the electricity close to one end of ontology 1
Road plate 4 is equipped with gauge pressure chip 15, absolute pressure chip 16, and the positive test end of the gauge pressure chip 15 and the absolute pressure chip 16 is logical
It crosses the pilot medium charged in positive pressure passageway 5 and anode isolation diaphragm 7 is connected, the negative sense test lead of the gauge pressure chip 15 passes through
Pilot medium and negative terminal isolation diaphragm 8 conducting charged in negative chamber cross-drilled hole oil duct 13 and second pipe 12, negative pressure channel 6.
Particularly, it is equipped between the tube socket 3 and through position 10 and (is not drawn in figure using the cover board that isolation material is made
Show)；In this way, the gauge pressure chip 15 and the absolute pressure chip 16 and circuit board 4 and other component can be played resistance by cover board
The effect of used outside insulated, to guarantee the normal work of the sensor.
Particularly, the second pipe is along the circular passage that sleeve 2, through position 10,3 wall body of tube socket are arranged.
Particularly, the anode isolation diaphragm 7, negative terminal isolation diaphragm 8 are respectively waveform, and ontology 1 is in contact with it face
It is similarly waveform；It is designed in this way, the receiving between diaphragm weld-ring and anode isolation diaphragm 7, negative terminal isolation diaphragm 8 can be increased
Space, so as to increase the storage capacity of pilot medium, furthermore it is possible to make anode isolation diaphragm 7, negative terminal isolation diaphragm 8 by
To after pressure, can preferably spring back.
Particularly, the ontology 1 close to one end of sleeve 2 be equipped with for make 2 end of sleeve be inserted into annular groove, described
Body 1 and 2 contact surface of sleeve weld；So the inner sealing of the sensor can be made more preferable, while ensure the complete of positive/negative-pressure
Isolation, guarantees the accuracy of measurement result.
Differential pressure pick-up provided by the invention in ontology by being arranged positive pressure passageway and negative pressure channel, and two channels
It is entirely isolated, wherein the pilot medium of positive pressure channel interior is by gauge pressure chip, the positive test end of absolute pressure chip and anode
Isolation diaphragm is connected, and the negative sense test lead of gauge pressure chip and negative terminal isolation diaphragm are connected the pilot medium in negative pressure channel, from
And realize gauge pressure chip measuring system differential pressure pressure value, absolute pressure chip measures the function of the pressure value of positive pressure side.
Claims (5)
1. a kind of many reference amounts differential pressure pick-up, comprising: ontology (1), is set to sleeve (2) at the sleeve (2) for being set to ontology (1) one end
The tube socket (3) of inside, the sleeve (2) and tube socket (3) are coaxially disposed, and circuit board is equipped between the tube socket (3) and ontology (1)
(4), which is characterized in that the positive pressure passageway of L-type (5) and negative pressure channel (6) are respectively equipped with inside the ontology (1), the positive pressure is logical
Road (5), negative pressure channel (6) two-port are pierced by respectively at ontology (1), and ontology (1) lateral surface is symmetrically arranged with anode isolation film
Piece (7), negative terminal isolation diaphragm (8), the anode isolation diaphragm (7) and negative terminal isolation diaphragm (8) lateral surface are equipped with diaphragm weld-ring
(9)；The through position (10) for realizing positive and negative chamber isolating seal, the through position are welded between the tube socket (3) and ontology (1)
(10) it is equipped with the first pipe (11) being connected to positive pressure passageway (5), is equipped with through second pipe (12) even in the tube socket (3)
Logical negative chamber cross-drilled hole oil duct (13), the tube socket (3) offer the appearance for mounting circuit boards (4) close to the one end of ontology (1)
It receives slot (14), the circuit board (4) is equipped with gauge pressure chip (15), absolute pressure chip (16), the gauge pressure chip (15) and described
The positive test end of absolute pressure chip (16) is connected by the pilot medium charged in positive pressure passageway (5) and anode isolation diaphragm (7),
The negative sense test lead of the gauge pressure chip (15) passes through negative chamber cross-drilled hole oil duct (13) and second pipe (12), negative pressure channel (6)
In the pilot medium that charges and negative terminal isolation diaphragm (8) be connected.
2. a kind of many reference amounts differential pressure pick-up according to claim 1, which is characterized in that the tube socket (3) and through position
(10) cover board being made using isolation material is equipped between.
3. a kind of many reference amounts differential pressure pick-up according to claim 1, which is characterized in that the second pipe is along sleeve
(2), the circular passage that through position, tube socket (3) wall body are arranged.
4. a kind of many reference amounts differential pressure pick-up according to claim 1, which is characterized in that the anode isolation diaphragm (7),
Negative terminal isolation diaphragm (8) is respectively waveform, and ontology (1) face of being in contact with it is similarly waveform.
5. a kind of many reference amounts differential pressure pick-up according to claim 1, which is characterized in that the ontology (1) is close to sleeve
(2) one end is equipped with the annular groove for being inserted into sleeve (2) end, and the ontology (1) and sleeve (2) contact surface weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129843.6A CN109186851A (en) | 2018-09-27 | 2018-09-27 | A kind of many reference amounts differential pressure pick-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129843.6A CN109186851A (en) | 2018-09-27 | 2018-09-27 | A kind of many reference amounts differential pressure pick-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109186851A true CN109186851A (en) | 2019-01-11 |
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ID=64907376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811129843.6A Pending CN109186851A (en) | 2018-09-27 | 2018-09-27 | A kind of many reference amounts differential pressure pick-up |
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|---|---|
| CN (1) | CN109186851A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696273A (en) * | 2019-03-06 | 2019-04-30 | 武汉飞恩微电子有限公司 | Automobile brake boosting vacuum pressure sensor device |
| CN112213028A (en) * | 2020-10-13 | 2021-01-12 | 北京航天发射技术研究所 | Device and method for identifying absolute gauge pressure sensor |
| CN115014630A (en) * | 2021-03-03 | 2022-09-06 | 阿自倍尔株式会社 | Pressure measuring device |
| CN116878720A (en) * | 2023-04-20 | 2023-10-13 | 汉斯韦尔(山东)物联技术有限公司 | High stable silicon differential pressure sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04337420A (en) * | 1991-05-14 | 1992-11-25 | Ono Sokki Co Ltd | Semiconductor differential pressure transducer |
| CN201993195U (en) * | 2010-12-29 | 2011-09-28 | 沈阳仪表科学研究院 | Silicon capacitance pressure difference sensor capable of outputting multiple parameters |
| CN202393550U (en) * | 2011-12-31 | 2012-08-22 | 天水华天传感器有限公司 | Differential pressure sensor capable of measuring various fluid media |
| CN203551179U (en) * | 2013-07-16 | 2014-04-16 | 上海洛丁森工业自动化设备有限公司 | Differential pressure sensor chip base with double oil guiding pipes |
| CN104062063A (en) * | 2013-03-20 | 2014-09-24 | 福建上润精密仪器有限公司 | Novel high-overload-resistant pressure device for pressure/differential pressure transmitter |
| CN204043843U (en) * | 2014-09-10 | 2014-12-24 | 上海洛丁森工业自动化设备有限公司 | Differential pressure pick-up |
| CN106840508A (en) * | 2017-03-30 | 2017-06-13 | 上海洛丁森工业自动化设备有限公司 | A kind of little differential pressure sensor of silicon differential pressure chip and the built-in silicon differential pressure chip |
| CN208833421U (en) * | 2018-09-27 | 2019-05-07 | 江苏德尔森控股有限公司 | A kind of many reference amounts differential pressure pick-up |
-
2018
- 2018-09-27 CN CN201811129843.6A patent/CN109186851A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04337420A (en) * | 1991-05-14 | 1992-11-25 | Ono Sokki Co Ltd | Semiconductor differential pressure transducer |
| CN201993195U (en) * | 2010-12-29 | 2011-09-28 | 沈阳仪表科学研究院 | Silicon capacitance pressure difference sensor capable of outputting multiple parameters |
| CN202393550U (en) * | 2011-12-31 | 2012-08-22 | 天水华天传感器有限公司 | Differential pressure sensor capable of measuring various fluid media |
| CN104062063A (en) * | 2013-03-20 | 2014-09-24 | 福建上润精密仪器有限公司 | Novel high-overload-resistant pressure device for pressure/differential pressure transmitter |
| CN203551179U (en) * | 2013-07-16 | 2014-04-16 | 上海洛丁森工业自动化设备有限公司 | Differential pressure sensor chip base with double oil guiding pipes |
| CN204043843U (en) * | 2014-09-10 | 2014-12-24 | 上海洛丁森工业自动化设备有限公司 | Differential pressure pick-up |
| CN106840508A (en) * | 2017-03-30 | 2017-06-13 | 上海洛丁森工业自动化设备有限公司 | A kind of little differential pressure sensor of silicon differential pressure chip and the built-in silicon differential pressure chip |
| CN208833421U (en) * | 2018-09-27 | 2019-05-07 | 江苏德尔森控股有限公司 | A kind of many reference amounts differential pressure pick-up |
Non-Patent Citations (1)
| Title |
|---|
| 李国洪;赵志超;胡名玺;: "基于STM32的负压隔离舱控制系统", 国外电子测量技术, no. 01 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696273A (en) * | 2019-03-06 | 2019-04-30 | 武汉飞恩微电子有限公司 | Automobile brake boosting vacuum pressure sensor device |
| CN112213028A (en) * | 2020-10-13 | 2021-01-12 | 北京航天发射技术研究所 | Device and method for identifying absolute gauge pressure sensor |
| CN112213028B (en) * | 2020-10-13 | 2022-04-15 | 北京航天发射技术研究所 | Device and method for identifying absolute gauge pressure sensor |
| CN115014630A (en) * | 2021-03-03 | 2022-09-06 | 阿自倍尔株式会社 | Pressure measuring device |
| CN115014630B (en) * | 2021-03-03 | 2024-04-02 | 阿自倍尔株式会社 | Pressure measuring device |
| CN116878720A (en) * | 2023-04-20 | 2023-10-13 | 汉斯韦尔(山东)物联技术有限公司 | High stable silicon differential pressure sensor |
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