CN109540353A - A kind of production technology of pressure sensor - Google Patents
A kind of production technology of pressure sensor Download PDFInfo
- Publication number
- CN109540353A CN109540353A CN201811352016.3A CN201811352016A CN109540353A CN 109540353 A CN109540353 A CN 109540353A CN 201811352016 A CN201811352016 A CN 201811352016A CN 109540353 A CN109540353 A CN 109540353A
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- CN
- China
- Prior art keywords
- pressure sensor
- plastic shell
- outer plastic
- inductive connector
- production technology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of production technologies of pressure sensor, and the cylindrical portion of positive the hexagonal lateral wall and one end on the outside of the inductive connector of pressure sensor is produced with cold-forge forming or die cast；Screw thread is processed on the outside of cylindrical portion with thread rolling machine；With the rotary table portion on the caulking groove and axial end face of the positive hexagonal lateral wall other end of lathe process；The centre bore of drilling processing inductive connector；Inductive connector is connected with one end of outer plastic shell；The plastics wiring end cover that molding is matched with outer plastic shell phase is integrally machined with injection mold；Wiring board is installed in one end of plastics wiring end cover, is connected between wiring board and the ceramic diaphragm inside outer plastic shell by connecting line.The configuration of the present invention is simple reduces the use of metal parts, machines using cold forging and simply the technique combined, reduces the difficulty of processing, and shell uses plastic part, mold can be used and be mass produced, rejection rate is greatly reduced.
Description
Technical field
The present invention relates to art of pressure sensors, more particularly to a kind of production technology of pressure sensor.
Background technique
Pressure sensor is to experience pressure signal, and can be converted into pressure signal according to certain rule available defeated
The device or device of electric signal out, it is extremely common in life, it is widely used in various industrial automatic control environment, is related to water conservancy
Water power, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline etc.
Numerous industries.
Now traditional pressure sensor is disposable by traditional add mode using the integrated shell of metalwork
Corresponding product structure at cutting is difficult to be completed in a short time, add because the constructors in some places get up more complicated
Work process is relatively more, and processing cost is too high, and efficiency is relatively low, and scrappage is relatively high in process, is unfavorable for being mass produced.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of production technologies of pressure sensor, and structure is simple, reduce
The use of metal parts using simple process for machining reduces the difficulty of processing, and mold can be used and given birth on a large scale
It produces, greatly reduces rejection rate, improve product quality.
The technical solution adopted by the present invention to solve the technical problems is: a kind of production technology of pressure sensor is provided,
The following steps are included:
(a) the positive hexagonal lateral wall on the outside of the inductive connector of pressure sensor is produced with cold-forge forming or die cast
With the cylindrical portion of one end；
(b) screw thread is processed on the outside of cylindrical portion with thread rolling machine；
(c) with the rotary table portion on the caulking groove and axial end face of the positive hexagonal lateral wall other end of lathe process；
(d) centre bore of drilling processing inductive connector；
(e) inductive connector is connected with one end of outer plastic shell；
(f) the plastics wiring end cover that molding is matched with outer plastic shell phase is integrally machined with injection mold；
(g) wiring board is installed in one end of plastics wiring end cover, between the ceramic diaphragm inside wiring board and outer plastic shell
It is connected by connecting line.
Preferably, using being threadedly coupled between inductive connector and outer plastic shell in step (e).
Preferably, using the integrally formed side of injection mold between the inductive connector in step (e) and outer plastic shell
Formula is attached.
Preferably, being attached between the inductive connector in step (e) and outer plastic shell using riveting method.
Further, the side of the ceramic diaphragm is equipped with the limiting block being engaged with the inner sidewall of outer plastic shell
Circle.
Further, the middle part interference insertion of the plastics wiring end cover is connected with the plug socket that one end is contact pin, institute
In being vertically arranged, one end is connected the wiring board stated with one end of plug socket.
The utility model has the advantages that structure is simple the present invention relates to a kind of production technology of pressure sensor, reduce metal parts
It uses, using simple process for machining, reduces the difficulty of processing, mold can be used and be mass produced, substantially reduce
Rejection rate improves product quality.
Detailed description of the invention
Fig. 1 is the half-sectional structure chart of main view of the invention；
Fig. 2 is the half-sectional structure chart of inductive connector of the present invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As shown in Figs. 1-2, embodiments of the present invention are related to a kind of production technology of pressure sensor, as a kind of implementation
Example, comprising the following steps:
(a) circle of positive the hexagonal lateral wall 7 and one end in 1 outside of inductive connector of pressure sensor is produced with cold-forge forming
Column portion 11；
(b) screw thread is processed in the outside of cylindrical portion 11 with thread rolling machine；
(c) with the rotary table portion 8 on the caulking groove 9 and axial end face of positive 7 other end of hexagonal lateral wall of lathe process；
(d) centre bore 7 of drilling processing inductive connector 1；
(e) inductive connector 1 is put into injection mold and is integrally machined profiled outer plastic housing 6；
(f) the plastics wiring end cover 5 of molding and the matching of outer plastic shell 6 is integrally machined with injection mold；
(g) wiring board 4, the ceramic diaphragm 2 inside wiring board 4 and outer plastic shell 6 are installed in one end of plastics wiring end cover 5
Between by connecting line be connected.
The side of the ceramic diaphragm 2 is equipped with the limit stop ring 3 being engaged with the inner sidewall of outer plastic shell 6.
As another embodiment of the invention:
(a) circle of positive the hexagonal lateral wall 7 and one end in 1 outside of inductive connector of pressure sensor is produced with die cast
Column portion 11；
(b) screw thread is processed in the outside of cylindrical portion 11 with thread rolling machine；
(c) with the rotary table portion 8 on the caulking groove 9 and axial end face of positive 7 other end of hexagonal lateral wall of lathe process；
(d) centre bore 7 of drilling processing inductive connector 1；
(e) one end of inductive connector 1 is processed into external threads, one end of outer plastic shell 6 is processed into internal screw thread, will be felt
One end of connector 1 and the threaded one end of outer plastic shell 6 is answered to connect；
(f) the plastics wiring end cover 5 of molding and the matching of outer plastic shell 6 is integrally machined with injection mold；
(g) wiring board 4, the ceramic diaphragm 2 inside wiring board 4 and outer plastic shell 6 are installed in one end of plastics wiring end cover 5
Between by connecting line be connected.
The middle part interference insertion of the plastics wiring end cover 5 is connected with the plug socket 12 that one end is contact pin, the line
In being vertically arranged, one end is connected road plate 4 with one end of plug socket 12.
Pressure sensor is based on piezoresistive effect, and pressure acts directly on the front surface of ceramic diaphragm, generates diaphragm small
Deformation, thick-film resistor is printed on the back side of ceramic diaphragm, connects into a Wheatstone bridge, since the pressure drag of varistor is imitated
Answer, make electric bridge generate a highly linear being directly proportional to the pressure, to driving voltage also directly proportional voltage signal, the letter of standard
Number 2.0/3.0/3.3mv/v etc. is demarcated as according to the difference of pressure range, can be mutually compatible with strain gauge transducer.
The configuration of the present invention is simple reduces the use of metal parts, using simple process for machining, reduces the difficulty of processing
Degree, can be used mold and is mass produced, and greatly reduce rejection rate, improve product quality.
Claims (6)
1. a kind of production technology of pressure sensor, which comprises the following steps:
(a) the positive hexagonal lateral wall on the outside of the inductive connector (1) of pressure sensor is produced with cold-forge forming or die cast
(7) and the cylindrical portion of one end (11)；
(b) screw thread is processed on the outside of cylindrical portion (11) with thread rolling machine；
(c) with the rotary table portion (8) on the caulking groove (9) and axial end face of positive hexagonal lateral wall (7) other end of lathe process；
(d) centre bore (7) of drilling processing inductive connector (1)；
(e) inductive connector (1) is connected with one end of outer plastic shell (6)；
(f) the plastics wiring end cover (5) of molding and outer plastic shell (6) matching is integrally machined with injection mold；
(g) wiring board (4) are installed in one end of plastics wiring end cover (5), the ceramics of wiring board (4) and outer plastic shell (6) inside
It is connected between diaphragm (2) by connecting line.
2. the production technology of pressure sensor according to claim 1, which is characterized in that the inductive connector in step (e)
(1) it is attached between outer plastic shell (6) using the integrally formed mode of injection mold.
3. the production technology of pressure sensor according to claim 1, which is characterized in that the inductive connector in step (e)
(1) it uses and is threadedly coupled between outer plastic shell (6).
4. the production technology of pressure sensor according to claim 1, which is characterized in that the inductive connector in step (e)
(1) it is attached between outer plastic shell (6) using riveting method.
5. the production technology of pressure sensor according to claim 1, which is characterized in that the ceramic diaphragm (2)
Side is equipped with the limit stop ring (3) being engaged with the inner sidewall of outer plastic shell (6).
6. the production technology of pressure sensor according to claim 1, which is characterized in that the plastics wiring end cover
(5) middle part interference insertion is connected with the plug socket (12) that one end is contact pin, and the wiring board (4) is in be vertically arranged, one end
It is connected with one end of plug socket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352016.3A CN109540353A (en) | 2018-11-14 | 2018-11-14 | A kind of production technology of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352016.3A CN109540353A (en) | 2018-11-14 | 2018-11-14 | A kind of production technology of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540353A true CN109540353A (en) | 2019-03-29 |
Family
ID=65847178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811352016.3A Pending CN109540353A (en) | 2018-11-14 | 2018-11-14 | A kind of production technology of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799638A (en) * | 2020-08-10 | 2020-10-20 | 江西台德智慧科技有限公司 | Manufacturing process of data line with sensor and data line with sensor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0284633A1 (en) * | 1987-03-31 | 1988-10-05 | Kristal Instrumente AG | Pressure medium tight modular built-in adapter for a pressure transmitter and method of manufacture thereof |
| CA2145696A1 (en) * | 1994-04-15 | 1995-10-16 | Michael F. Mattes | Pressure sensor assembly and method of producing the pressure sensor assembly |
| CN1185207A (en) * | 1996-04-01 | 1998-06-17 | 罗伯特·博施有限公司 | Pressure sensor and method for producing same |
| CN1196461A (en) * | 1997-04-02 | 1998-10-21 | 卡明斯发动机公司 | High-pressure sealable connector for pressure sensor |
| CN1938571A (en) * | 2004-01-13 | 2007-03-28 | 霍尼韦尔国际公司 | Ceramic on metal pressure transducer |
| CN101387566A (en) * | 2007-08-20 | 2009-03-18 | Vega格里沙贝两合公司 | Pressure gauge device |
| CN101629862A (en) * | 2008-07-18 | 2010-01-20 | 威卡亚历山大威甘德股份有限公司 | Pressure gauge |
| CN203083755U (en) * | 2013-01-09 | 2013-07-24 | 白维华 | Automobile pressure sensor |
| US8671753B2 (en) * | 2011-08-01 | 2014-03-18 | Honeywell International Inc. | Cable harness for a sensor |
| CN203837869U (en) * | 2014-05-08 | 2014-09-17 | 杭州力夫机电制造有限公司 | Connection structure of pressure transmitter |
| CN206583566U (en) * | 2015-12-31 | 2017-10-24 | 霍尼韦尔国际公司 | Pressure sensor assembly |
| CN107655612A (en) * | 2017-09-11 | 2018-02-02 | 台州长虹泵业有限公司 | A kind of pressure sensor of water pump and its detection data compensation method |
| CN207732049U (en) * | 2018-01-10 | 2018-08-14 | 华霆（合肥）动力技术有限公司 | Composite-joint, liquid cooling apparatus and power supply unit |
-
2018
- 2018-11-14 CN CN201811352016.3A patent/CN109540353A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0284633A1 (en) * | 1987-03-31 | 1988-10-05 | Kristal Instrumente AG | Pressure medium tight modular built-in adapter for a pressure transmitter and method of manufacture thereof |
| CA2145696A1 (en) * | 1994-04-15 | 1995-10-16 | Michael F. Mattes | Pressure sensor assembly and method of producing the pressure sensor assembly |
| CN1185207A (en) * | 1996-04-01 | 1998-06-17 | 罗伯特·博施有限公司 | Pressure sensor and method for producing same |
| CN1196461A (en) * | 1997-04-02 | 1998-10-21 | 卡明斯发动机公司 | High-pressure sealable connector for pressure sensor |
| CN1938571A (en) * | 2004-01-13 | 2007-03-28 | 霍尼韦尔国际公司 | Ceramic on metal pressure transducer |
| CN101387566A (en) * | 2007-08-20 | 2009-03-18 | Vega格里沙贝两合公司 | Pressure gauge device |
| CN101629862A (en) * | 2008-07-18 | 2010-01-20 | 威卡亚历山大威甘德股份有限公司 | Pressure gauge |
| US8671753B2 (en) * | 2011-08-01 | 2014-03-18 | Honeywell International Inc. | Cable harness for a sensor |
| CN203083755U (en) * | 2013-01-09 | 2013-07-24 | 白维华 | Automobile pressure sensor |
| CN203837869U (en) * | 2014-05-08 | 2014-09-17 | 杭州力夫机电制造有限公司 | Connection structure of pressure transmitter |
| CN206583566U (en) * | 2015-12-31 | 2017-10-24 | 霍尼韦尔国际公司 | Pressure sensor assembly |
| CN107655612A (en) * | 2017-09-11 | 2018-02-02 | 台州长虹泵业有限公司 | A kind of pressure sensor of water pump and its detection data compensation method |
| CN207732049U (en) * | 2018-01-10 | 2018-08-14 | 华霆（合肥）动力技术有限公司 | Composite-joint, liquid cooling apparatus and power supply unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799638A (en) * | 2020-08-10 | 2020-10-20 | 江西台德智慧科技有限公司 | Manufacturing process of data line with sensor and data line with sensor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
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| RJ01 | Rejection of invention patent application after publication |