CN113432782A - Die device for fixing differential pressure sensor to be detected - Google Patents
Die device for fixing differential pressure sensor to be detected Download PDFInfo
- Publication number
- CN113432782A CN113432782A CN202110803174.1A CN202110803174A CN113432782A CN 113432782 A CN113432782 A CN 113432782A CN 202110803174 A CN202110803174 A CN 202110803174A CN 113432782 A CN113432782 A CN 113432782A
- Authority
- CN
- China
- Prior art keywords
- fixed die
- mould
- differential pressure
- pressure sensor
- die
- 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.)
- Withdrawn
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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
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
Abstract
The invention relates to the field of dies and discloses a die device for fixing a differential pressure sensor to be detected, which comprises a fixed die lower part, a fixed die middle part, a fixed die upper part, a rectangular sealing ring and a mounting nut, wherein the fixed die lower part and the fixed die upper part are respectively provided with an air inlet, the fixed die lower part and the fixed die upper part are respectively provided with a rectangular ring mounting groove, the fixed die upper part is provided with a plurality of thread mounting holes, the fixed die middle part is provided with a plurality of circular through holes, and the mounting nut can be used for screwing and assembling the fixed die upper part, the fixed die middle part and the fixed die lower part in a thread manner. The invention can detect a plurality of products at one time, greatly improves the detection efficiency of the differential pressure sensor in the small-batch production process and saves the production cost; the invention uses the rectangular sealing ring or the O-shaped ring to seal different parts of the die device and seal the product and the die device, thereby ensuring that the air leakage condition does not occur in the detection process and effectively ensuring the detection accuracy.
Description
Technical Field
The invention relates to the field of dies, in particular to a die device for fixing a differential pressure sensor to be detected.
Background
At present, in the early stage research and development stage of the differential pressure sensor in the automobile industry, during the small-batch production process, automobile parts are generally used for installing and testing the differential pressure sensor, the detection efficiency is very low, but if the automatic mode is adopted for batch detection, the automatic detection equipment needs to be introduced, and the risk of high research and development cost caused by unsuccessful research and development of product projects is caused.
In order to solve the above problem, a mold device for fixing a differential pressure sensor to be detected is provided in the present application.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a die device for fixing a differential pressure sensor to be detected, wherein a plurality of differential pressure sensors can be installed, then the pressure difference to be tested is formed through a lower air inlet (5) and an upper air inlet (4) to detect the on-off performance of the differential pressure sensor, an opposite connector of the differential pressure sensor is connected with a battery and a bulb in series, and the on-off of the differential pressure sensor is judged according to the on-off of the bulb.
(II) technical scheme
In order to solve the problems, the invention provides a die device for fixing a differential pressure sensor to be detected, which comprises a fixed die lower part, a fixed die middle part, a fixed die upper part, a rectangular sealing ring and a mounting nut, wherein the fixed die lower part and the fixed die upper part are respectively provided with an air inlet.
Furthermore, the lower part of the fixed die and the upper part of the fixed die are respectively provided with a rectangular ring mounting groove.
Furthermore, the upper part of the fixed die is provided with a plurality of threaded mounting holes.
Furthermore, the middle part of the fixed die is provided with a plurality of circular through holes.
Further, the mounting nut can be used for screwing and assembling the upper part of the fixed die, the middle part of the fixed die and the lower part of the fixed die.
Further, the rectangular sealing ring can be respectively matched with the rectangular ring mounting grooves on the lower portion of the fixed die and the upper portion of the fixed die.
The technical scheme of the invention has the following beneficial technical effects:
1. the invention can detect a plurality of products at one time, greatly improves the detection efficiency of the differential pressure sensor in the small-batch production process and saves the production cost.
2. The invention uses the rectangular sealing ring or the O-shaped ring to seal different parts of the die device and seal the product and the die device, thereby ensuring that the air leakage condition does not occur in the detection process and effectively ensuring the detection accuracy.
Drawings
Fig. 1 is a sectional view showing the overall structure of a mold apparatus according to the present invention.
Fig. 2 is a structural sectional view showing the fitting and sealing between the die assembly and the differential pressure sensor according to the present invention.
Fig. 3 is an overall effect diagram of the die device and the differential pressure sensor provided by the invention after being installed in a matching manner.
Fig. 4 is a sectional view of a nut mounting portion of the die assembly according to the present invention.
Reference numerals
1. Fixing the lower part of the mold; 2. fixing the middle part of the mold; 3. fixing the upper part of the mold; 4. an upper air inlet; 5. a lower air inlet; 6. a rectangular sealing ring; 7. mounting a nut; 8. a differential pressure sensor; 9. a lower air inlet of the differential pressure sensor; 10. an O-shaped sealing ring; 11. an upper air inlet of the differential pressure sensor; 12. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 4, the mold device for fixing a differential pressure sensor to be detected provided by the invention comprises a fixed mold lower part, a fixed mold middle part, a fixed mold upper part, a rectangular sealing ring and a mounting nut, wherein the fixed mold lower part and the fixed mold upper part are respectively provided with an air inlet, the fixed mold lower part and the fixed mold upper part are respectively provided with a rectangular ring mounting groove, the fixed mold upper part is provided with a plurality of threaded mounting holes, the fixed mold middle part is provided with a plurality of circular through holes, the mounting nut can be used for screwing and assembling the fixed mold upper part, the fixed mold middle part and the fixed mold lower part in a threaded manner, and the rectangular sealing ring can be respectively matched with the rectangular ring mounting grooves of the fixed mold lower part and the fixed mold upper part.
It should be noted that, a fixed mold middle part 2 is arranged right below a fixed mold upper part 3, a fixed mold lower part 1 is arranged right below the fixed mold middle part 2, a rectangular groove of the fixed mold upper part 3 is matched with a rectangular sealing ring 6, a rectangular groove of the fixed mold lower part 1 is also matched with the rectangular sealing ring 6, a thread mounting hole of the fixed mold upper part 3 is matched with a corresponding part thread of a differential pressure sensor 8, an O-shaped sealing ring 10 is matched with a corresponding groove part of the differential pressure sensor 8, an O-shaped sealing ring arranged at the corresponding groove part of the differential pressure sensor 8 is matched with a round through hole in the fixed mold middle part 2, a mounting nut 7 is matched with a fixed through hole of the fixed mold upper part 3, a fixed through hole of the fixed mold middle part 2 and a fixed threaded hole of the fixed mold lower part 1.
In the embodiment, the rectangular sealing ring 6 is arranged at a groove position corresponding to the lower part 1 of the fixed die, the other rectangular sealing ring 6 is arranged at a groove position corresponding to the upper part 3 of the fixed die, the middle part 2 of the fixed die and the lower part 1 of the fixed die are correspondingly placed and then assembled through the mounting nut 7, the rectangular sealing ring 6 is compressed and then the air tightness of the connection part of the device is realized through axial sealing, the O-shaped sealing ring 10 is arranged at a corresponding groove part of the differential pressure sensor 8, the sealing ring 12 is arranged above a threaded mounting hole of the upper part 3 of the fixed die and then the differential pressure sensor 8 is screwed and assembled, after the differential pressure sensor 8 is arranged in place, the O-shaped sealing ring 10 and a through hole in the middle part 2 of the fixed die realize radial sealing and play a sealing effect, and the sealing effect of the corresponding position is realized after the sealing ring 12 is compressed.
When the pressure difference sensor works, after the pressure difference sensor 8 is installed according to the mode of the embodiment, gases with different pressure intensities for detection are connected into the lower air inlet 9 and the upper air inlet 11 of the pressure difference sensor, then the connector part of the pressure difference sensor is connected through the opposite connector, and the battery and the detection bulb are connected in series, when the pressure difference sensor needs to be disconnected due to the pressure difference of the gases connected into the lower air inlet 9 and the upper air inlet 11 of the pressure difference sensor, the bulb is turned off by lighting, and if the bulb cannot be turned off, the pressure difference sensor is unqualified.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides a mould device for fixing wait to detect differential pressure sensor (8), the device comprises fixed mould lower part (1), fixed mould middle part (2), fixed mould upper portion (3), rectangle sealing washer (6) and mounting nut (7), its characterized in that, fixed mould lower part (1) and fixed mould upper portion (3) respectively have an air inlet, are lower part air inlet (5) and upper portion air inlet (4) respectively.
2. The mold device according to claim 1, characterized in that the stationary mold lower part (1) and the stationary mold upper part (3) each have a rectangular ring mounting groove.
3. A mould arrangement according to claim 1, characterized in that the stationary mould upper part (3) has threaded mounting holes.
4. A mould arrangement according to claim 1, characterized in that the fixed mould middle part (2) has a number of circular through holes.
5. The die arrangement according to claim 1, characterized in that the mounting nut (7) enables a screw-tight assembly of the stationary upper die part (3), the stationary middle die part (2) and the stationary lower die part (1).
6. Mould arrangement according to claim 2, characterized in that the rectangular sealing rings (6) are adapted to the rectangular ring mounting grooves of the stationary mould lower part (1) and the stationary mould upper part (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803174.1A CN113432782A (en) | 2021-07-16 | 2021-07-16 | Die device for fixing differential pressure sensor to be detected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803174.1A CN113432782A (en) | 2021-07-16 | 2021-07-16 | Die device for fixing differential pressure sensor to be detected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113432782A true CN113432782A (en) | 2021-09-24 |
Family
ID=77760653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110803174.1A Withdrawn CN113432782A (en) | 2021-07-16 | 2021-07-16 | Die device for fixing differential pressure sensor to be detected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113432782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597772A (en) * | 2022-11-16 | 2023-01-13 | 国机传感科技有限公司（Cn） | Differential pressure sensor core body testing tool and testing method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06148018A (en) * | 1992-11-12 | 1994-05-27 | Mitsubishi Electric Corp | Semiconductor pressure sensor |
| US20130321011A1 (en) * | 2012-06-05 | 2013-12-05 | Multitest Elektronische Systeme Gmbh | Test device, test system, method and carrier for testing electronic components under variable pressure conditions |
| CN205506288U (en) * | 2016-02-23 | 2016-08-24 | 上海瓦锡兰齐耀柴油机有限公司 | Installation of diesel engine differential pressure sensor and testing arrangement |
| CN207066671U (en) * | 2017-06-22 | 2018-03-02 | 苏州感芯微系统技术有限公司 | A kind of demarcation tool of ceramic sensor element |
| CN207147704U (en) * | 2017-09-08 | 2018-03-27 | 无锡永阳电子科技有限公司 | A kind of differential pressure sensor module batch calibration test frock |
| CN108088618A (en) * | 2017-12-15 | 2018-05-29 | 芜湖致通汽车电子有限公司 | A kind of detecting tool suitable for pressure sensor detection |
| CN111189578A (en) * | 2020-03-04 | 2020-05-22 | 广西玉柴机器股份有限公司 | System and method for testing differential pressure sensor |
| CN111707405A (en) * | 2020-08-19 | 2020-09-25 | 歌尔光学科技有限公司 | Testing device |
| CN212432416U (en) * | 2020-08-10 | 2021-01-29 | 深圳瑞德感知科技有限公司 | Batch testing device for pressure sensors |
-
2021
- 2021-07-16 CN CN202110803174.1A patent/CN113432782A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06148018A (en) * | 1992-11-12 | 1994-05-27 | Mitsubishi Electric Corp | Semiconductor pressure sensor |
| US20130321011A1 (en) * | 2012-06-05 | 2013-12-05 | Multitest Elektronische Systeme Gmbh | Test device, test system, method and carrier for testing electronic components under variable pressure conditions |
| CN205506288U (en) * | 2016-02-23 | 2016-08-24 | 上海瓦锡兰齐耀柴油机有限公司 | Installation of diesel engine differential pressure sensor and testing arrangement |
| CN207066671U (en) * | 2017-06-22 | 2018-03-02 | 苏州感芯微系统技术有限公司 | A kind of demarcation tool of ceramic sensor element |
| CN207147704U (en) * | 2017-09-08 | 2018-03-27 | 无锡永阳电子科技有限公司 | A kind of differential pressure sensor module batch calibration test frock |
| CN108088618A (en) * | 2017-12-15 | 2018-05-29 | 芜湖致通汽车电子有限公司 | A kind of detecting tool suitable for pressure sensor detection |
| CN111189578A (en) * | 2020-03-04 | 2020-05-22 | 广西玉柴机器股份有限公司 | System and method for testing differential pressure sensor |
| CN212432416U (en) * | 2020-08-10 | 2021-01-29 | 深圳瑞德感知科技有限公司 | Batch testing device for pressure sensors |
| CN111707405A (en) * | 2020-08-19 | 2020-09-25 | 歌尔光学科技有限公司 | Testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597772A (en) * | 2022-11-16 | 2023-01-13 | 国机传感科技有限公司（Cn） | Differential pressure sensor core body testing tool and testing method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210924 |
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| WW01 | Invention patent application withdrawn after publication |