CN206019917U - A kind of air inlet pressure sensor - Google Patents
A kind of air inlet pressure sensor Download PDFInfo
- Publication number
- CN206019917U CN206019917U CN201620994373.XU CN201620994373U CN206019917U CN 206019917 U CN206019917 U CN 206019917U CN 201620994373 U CN201620994373 U CN 201620994373U CN 206019917 U CN206019917 U CN 206019917U
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- CN
- China
- Prior art keywords
- air inlet
- housing
- drainage screen
- cover plate
- framework
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of air inlet pressure sensor, it is characterised in that：Including housing and lid, the lid has square cover plate, the top surface of square cover plate is provided with air inlet tube, is air inlet in the middle of air inlet tube, and the bottom surface of square cover plate is provided with framework, epoxy resin encapsulated is used after wiring board is installed in the cavity surrounded in the middle of framework, air inlet is relative with PCB surface, and the housing has upper opening hollow cavity and side plug wire mouth, is provided with electric mortiser piece in the plug wire mouth of side, the bottom of upper opening hollow cavity is provided with holds line step, and the tail end Zhi Yu of electric mortiser piece is held on line step；When on lid lid to housing, square cover plate and framework are flush-mounted in the upper opening hollow cavity of housing and are combined closely with upper opening hollow cavity, and wiring board is provided with wire and is connected with the tail end of electric mortiser piece.This utility model simple structure, low-profile, easy to assembly, with reliable service behaviour.
Description
Technical field
This utility model is related to automotive sensor technology field, especially a kind of automobile air inlet pressure sensor.
Background technology
Automobile air inlet pressure sensor is installed on the house steward at air throttle of car back door, and what it detected is below the throtlle valve
The absolute pressure of inlet manifold, it go out the change of absolute pressure in manifold according to the size detection of engine speed and load, so
After be converted into signal voltage and deliver to electronic controller（ECU）, sizes of the ECU according to this signal voltage, control basic fuel injection amount
Size.Traditional automobile air inlet pressure sensor, has different outward appearances and structure according to vehicle is different, how to take into account simple structure,
Low-profile, easy to assembly, and the air inlet pressure sensor with reliably working performance be in the market lacking in.Tradition
Automobile air inlet pressure sensor include that housing and lid, the top surface that lid has square cover plate, square cover plate are provided with air inlet connecting
Pipe, is air inlet in the middle of air inlet tube, in use, as the inside of air inlet is not provided with filter assemblies so that gas
In body, different size of debris can be entered in air inlet, are caused air inlet pressure sensor easily to damage, are used the longevity so as to reduce
Life.Traditional automobile air inlet pressure sensor includes framework and housing, in use, easily loose between framework and housing
Dynamic, both connect insecure, so as to cause automobile air inlet pressure sensor operation stability poor.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model be to provide a kind of simple structure, low-profile,
Air inlet pressure sensor easy to assembly, there is reliably working performance, ensure operation stability and increase the service life.
The technical solution of the utility model is realized in：A kind of air inlet pressure sensor, it is characterised in that：Including shell
Body and lid, the top surface that the lid has square cover plate, square cover plate are provided with air inlet tube, are air inlet in the middle of air inlet tube
Hole, the bottom surface of square cover plate are provided with framework, use epoxy resin encapsulated, air inlet after installing wiring board in the middle of framework in the cavity for surrounding
Hole is relative with PCB surface, and the housing has upper opening hollow cavity and side plug wire mouth, is provided with electric mortiser piece in the plug wire mouth of side, upper spacious
The bottom of mouth cavity is provided with holds line step, and the tail end Zhi Yu of electric mortiser piece is held on line step；When on lid lid to housing, square cover
Plate and framework are flush-mounted in the upper opening hollow cavity of housing and are combined closely with upper opening hollow cavity, and wiring board is provided with wire and electric mortiser piece
Tail end connect；The air inlet is internally provided with filter assemblies, and the filter assemblies include being connected in the circle inside air inlet
Shape framework and it is individually fixed in wall in circular frame body and by the first drainage screen, the second drainage screen and the 3rd being arranged in order inside outward
Drainage screen, the mesh aperture of first drainage screen are more than the mesh aperture of the second drainage screen, the mesh aperture of second drainage screen
Mesh more than the 3rd drainage screen.
By adopting above-mentioned technical proposal, simple structure, low-profile, easy to assembly, its reliable and stable operation principle
It is：Air inlet tube is inserted in inlet manifold and installs, and air inlet receives the air pressure in inlet manifold, the change of air pressure
Directly act on wiring board（Pressure-sensing device and signal processing circuit is integrated with wiring board）On, it is then converted into signal electricity
Force feed controls the size of basic fuel injection amount to ECU, sizes of the ECU according to this signal voltage.Being internally provided with pore
Filter component, the filter assemblies include by the first drainage screen, the second drainage screen and the 3rd drainage screen being arranged in order inside outward, and this
Mesh aperture of the mesh aperture of one drainage screen more than the second drainage screen, the mesh aperture of second drainage screen are filtered more than the 3rd
The mesh of net, realizes three layer filtration, makes in gas different size of debris successively by the first drainage screen, the second drainage screen and the 3rd
Drainage screen is blocked, it is to avoid in gas, different size of debris are entered in air inlet and cause the air inlet pressure sensor easily to damage,
So as to extend the service life of air inlet pressure sensor.
This utility model is further arranged to：Latch components are included also, and the latch components include being arranged at outside framework
Locking projection and the locking groove that is arranged on cavity inner wall on the wall of side, and the locking projection is adapted with groove is locked, institute
The section for stating locking projection is del.
By adopting above-mentioned technical proposal, the latch components serve the effect of locking, it is to avoid framework in use
Occur loosening phenomenon generation and housing between, it is ensured that framework and housing connection are even closer, so as to be effectively guaranteed air inlet
The operation stability of pressure transducer.
This utility model is further arranged to：The side wall of the square cover plate is provided with locating convex block, the upper opening hollow cavity
Side wall be provided with corresponding detent.
By adopting above-mentioned technical proposal, can ensure that lid is combined closely with housing, and guarantee the standard of lid installation direction
Really, convenient for assembly.
This utility model is further arranged to：There is the housing L shape profiles, side plug wire mouth to be located at the left side of housing, shell
Body mounting hole site is in the lower right side of housing.
By adopting above-mentioned technical proposal, the overall dimensions of air inlet pressure sensor are little, flexible for installation.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is this utility model specific embodiment structural blast schematic diagram；
Fig. 2 is the rear view of lid in Fig. 1；
Fig. 3 is latch components structural representation in this utility model specific embodiment；
Fig. 4 is filter assemblies structural representation in this utility model specific embodiment；
Fig. 5 is that the first drainage screen, the second drainage screen and the 3rd filter screen structure show in this utility model specific embodiment
It is intended to.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As shown in Fig. 1 Fig. 5, the utility model discloses a kind of air inlet pressure sensor, specifically real in this utility model
Apply in example, including housing 13 and lid, the top surface that the lid has square cover plate 5, square cover plate 5 is provided with air inlet tube 3, enters
It is air inlet 2 in the middle of gas adapter 3, outside air inlet tube 3, is arranged rubber sleeve 1, the bottom surface of square cover plate 3 is provided with framework 6, in framework 6
Between, the housing relative with 7 surface of wiring board with epoxy resin encapsulated, air inlet 2 after wiring board 7 is installed in the cavity 15 that surrounds
12 have upper opening hollow cavity 12 and a side plug wire mouth 8, are provided with electric mortiser piece 10 in side plug wire mouth 8, and the bottom of upper opening hollow cavity 12 is provided with
Line step 11 is held, the tail end Zhi Yu of electric mortiser piece 10 is held on line step 11；When on lid lid to housing, square cover plate 5 and framework 6
It is flush-mounted in the upper opening hollow cavity 12 of housing and combines closely with upper opening hollow cavity, wiring board 7 is provided with wire with electric mortiser piece 10
Tail end connects；The air inlet 2 is internally provided with filter assemblies 20, and the filter assemblies 20 include being connected in inside air inlet 2
Circular framework 200 and be individually fixed in 200 inwall of circular framework and by the first drainage screen 201 being arranged in order inside outward, the
Two drainage screens 202 and the 3rd drainage screen 203, the mesh aperture of first drainage screen 201 are more than the mesh hole of the second drainage screen 202
Footpath, the mesh aperture of second drainage screen 202 are more than the mesh of the 3rd drainage screen 203.
By adopting above-mentioned technical proposal, simple structure, low-profile, easy to assembly, its reliable and stable operation principle
It is：Air inlet tube is inserted in inlet manifold and installs, and air inlet receives the air pressure in inlet manifold, the change of air pressure
Directly act on wiring board（Pressure-sensing device and signal processing circuit is integrated with wiring board）On, it is then converted into signal electricity
Force feed controls the size of basic fuel injection amount to ECU, sizes of the ECU according to this signal voltage.Being internally provided with pore
Filter component, the filter assemblies include by the first drainage screen, the second drainage screen and the 3rd drainage screen being arranged in order inside outward, and this
Mesh aperture of the mesh aperture of one drainage screen more than the second drainage screen, the mesh aperture of second drainage screen are filtered more than the 3rd
The mesh of net, realizes three layer filtration, makes in gas different size of debris successively by the first drainage screen, the second drainage screen and the 3rd
Drainage screen is blocked, it is to avoid in gas, different size of debris are entered in air inlet and cause the air inlet pressure sensor easily to damage,
So as to extend the service life of air inlet pressure sensor.
In this utility model specific embodiment, latch components are included also, the latch components include being arranged at framework 6
Locking projection 61 and the locking groove being arranged on 12 inwall of cavity on lateral wall, and the locking projection 61 and locking groove phase
Adaptation, the section of the locking projection 61 is del.
By adopting above-mentioned technical proposal, the latch components serve the effect of locking, it is to avoid framework in use
Occur loosening phenomenon generation and housing between, it is ensured that framework and housing connection are even closer, so as to be effectively guaranteed air inlet
The operation stability of pressure transducer.
In this utility model specific embodiment, the side wall of the square cover plate 5 is provided with locating convex block 4, described open
The side wall of cavity 12 is provided with corresponding detent 9.
By adopting above-mentioned technical proposal, can ensure that lid is combined closely with housing, and guarantee the standard of lid installation direction
Really, convenient for assembly.
In this utility model specific embodiment, the housing 13 has L shape profiles, and side plug wire mouth 8 is positioned at housing 13
Left side, shell bores 14 are located at the lower right side of housing 13.
By adopting above-mentioned technical proposal, the overall dimensions of air inlet pressure sensor are little, flexible for installation.
This utility model is so work：Air inlet tube 3 is inserted in inlet manifold and installs, air inlet 2 receive into
On the pressure-sensing device on 7 surface of wiring board, then air pressure in gas manifold, the change of air pressure directly act on
It is converted into signal voltage and delivers to ECU, sizes of the ECU according to this signal voltage controls the size of basic fuel injection amount.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements that is made etc. should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of air inlet pressure sensor, it is characterised in that：Including housing and lid, the lid has square cover plate, square
The top surface of cover plate is provided with air inlet tube, is air inlet in the middle of air inlet tube, and the bottom surface of square cover plate is provided with framework, encloses in the middle of framework
Into cavity in install and use epoxy resin encapsulated after wiring board, air inlet is relative with PCB surface, and the housing has upper opening
Mouth cavity and side plug wire mouth, are provided with electric mortiser piece in the plug wire mouth of side, the bottom of upper opening hollow cavity is provided with holds line step, the tail of electric mortiser piece
End Zhi Yu is held on line step；When on lid lid to housing, square cover plate and framework are flush-mounted in the upper opening hollow cavity of housing simultaneously
Combine closely with upper opening hollow cavity, wiring board is provided with wire and is connected with the tail end of electric mortiser piece；The air inlet is internally provided with
Filter assemblies, the filter assemblies include the circular framework being connected in inside air inlet and be individually fixed in circular frame body wall and by
Outer the first drainage screen, the second drainage screen and the 3rd drainage screen being arranged in order inside, the mesh aperture of first drainage screen are more than
The mesh aperture of the second drainage screen, the mesh aperture of second drainage screen are more than the mesh of the 3rd drainage screen.
2. a kind of air inlet pressure sensor according to claim 1, it is characterised in that：Also latch components are included, described
Latch components include the locking projection being arranged on framework lateral wall and the locking groove being arranged on cavity inner wall, and the locking
Projection is adapted with locking groove, and the section of the locking projection is del.
3. a kind of air inlet pressure sensor according to claim 1, it is characterised in that：The side wall of the square cover plate is provided with
Locating convex block, the side wall of the upper opening hollow cavity are provided with corresponding detent.
4. a kind of air inlet pressure sensor according to claim 1, it is characterised in that：The housing has L shape profiles,
Side plug wire mouth is located at the left side of housing, and shell bores are located at the lower right side of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994373.XU CN206019917U (en) | 2016-08-30 | 2016-08-30 | A kind of air inlet pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994373.XU CN206019917U (en) | 2016-08-30 | 2016-08-30 | A kind of air inlet pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019917U true CN206019917U (en) | 2017-03-15 |
Family
ID=58254867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994373.XU Expired - Fee Related CN206019917U (en) | 2016-08-30 | 2016-08-30 | A kind of air inlet pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164402A (en) * | 2017-08-03 | 2020-05-15 | 罗伯特·博世有限公司 | Low-pressure sensor device and use of an inlet connection as a fluid inlet for a low-pressure sensor device |
-
2016
- 2016-08-30 CN CN201620994373.XU patent/CN206019917U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164402A (en) * | 2017-08-03 | 2020-05-15 | 罗伯特·博世有限公司 | Low-pressure sensor device and use of an inlet connection as a fluid inlet for a low-pressure sensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 101-123, Fei Tian Feng Road, Han Tian, Tang Xia Town, Ruian City, Wenzhou, Zhejiang. Patentee after: Zhejiang King Sensor Technology Co., Ltd. Address before: 325000 No. 101-123, Fei Tian Feng Road, Han Tian, Tang Xia Town, Ruian City, Wenzhou, Zhejiang. Patentee before: Ruian victory Auto Electric Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180830 |