CN205981493U - Intake -temperature pressure transducer - Google Patents
Intake -temperature pressure transducer Download PDFInfo
- Publication number
- CN205981493U CN205981493U CN201620851446.XU CN201620851446U CN205981493U CN 205981493 U CN205981493 U CN 205981493U CN 201620851446 U CN201620851446 U CN 201620851446U CN 205981493 U CN205981493 U CN 205981493U
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- Prior art keywords
- terminal
- main part
- contact site
- air inlet
- pressure sensor
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- 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.)
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Abstract
The utility model relates to a technical field of sensor provides an intake -temperature pressure transducer, including casing, a plurality of the first terminal and at least one second terminal. The casing includes the main part that has the storage tank and has the grafting portion that inserts the chamber. Each the first terminal is all including acceping the connecting portion in the main part, the hollow first contact site that exposes the storage tank bottom surface and second contact site. The second terminal is including acceping the fixed part in the main part and exposing the hollow supporting part of storage tank bottom surface. The circuit board have supply first contact site with the first connecting hole of interference fit male with supply the supporting part with interference fit male second connecting hole, all be formed with the conductive film on the inner wall of each first connecting hole and the inner wall of second connecting hole. Compared with the prior art, the utility model provides an intake -temperature pressure transducer, it is high that convenient operation, circuit board connect the back reliability, guarantees the good contact of terminal and circuit board, and the electrically conductive characteristic of terminal can realize and keep.
Description
Technical field
This utility model is related to the technical field of sensor, especially relates to a kind of air inlet temperature/pressure sensor.
Background technology
Air inlet temperature/pressure sensor is typically mounted in engine inlets, for detecting Engine Inlet Temperature and pressure
Power, and by temperature, pressure signal input to ECU (Electronic Control Unit, electronic control unit), revise spray for it
Oil mass and ignition timing provide foundation.
At present, air inlet temperature/pressure sensor common on the market, as shown in Figure 10, it includes circuit board 201, circuit board
201 are positioned by glue post 202, are heated after melting glue post 202 by flatiron, so that circuit board 201 is fixed on and ankylose, this structure
Relatively simple, it is conveniently connected, easily realize.However, the fixation of circuit board 201 relies solely on the one side soldering connection of four terminals
Connect, therefore the reliability of connection and intensity are not enough, strong engine vibration can cause scolding tin crackle or fracture, cause electric conductivity
Bad；In addition, circuit board 201 produces with engine vibration away from the position (as plastic cement locating dowel position) of terminal pad
Teetertotter, destrabilizing moment is formed to soldering position, leads to soldering weld cracking, cause sensor function bad.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of air inlet temperature/pressure sensor it is intended to solve existing
Have in technology, the junction that there is circuit board with terminal easily gets loose because of the vibrations of automobile, leads to the electric conductivity of terminal not
Good defect.
A kind of air inlet temperature/pressure sensor that this utility model provides, including：
Circuit board；
Housing, described housing includes interconnective main part and Plug Division, and main part has for placing described circuit
The storage tank of plate, described Plug Division has a side opening the insertion chamber being connected with an aerial lug；
Multiple the first terminals, the connecting portion all including being housed in described main part, are connected to described connecting portion one end simultaneously
Expose the first contact site of the hollow of described accommodating groove bottom, and be connected to the second contact site of the described connecting portion other end,
Described second contact site is at least partly inserted described inserted in cavities；And
At least one Second terminal, it is included the fixed part being housed in described main part and is connected with fixed part and exposes
The supporting part of the hollow of described accommodating groove bottom；
Described circuit board has multiple first connecting holes inserting with interference fit for described first contact site and for described
The second connecting hole that supporting part is inserted with interference fit, the inwall of each described first connecting hole and described second connecting hole interior
Wall has been respectively formed on conducting film.
Further, described the first terminal and/or described Second terminal are made up of copper or copper alloy.
Further, described first contact site and/or described supporting part along perpendicular to the bottom surface direction of described storage tank to
Upper extension.
Further, the top surface of described main part has orthogonal one laterally with one longitudinally, the first terminal and second
Terminal is parallel to interval setting on described horizontal direction.
Further, the quantity of described Second terminal is two, and the supporting part of two Second terminals is parallel to described vertical
To direction on spacing side by side setting；The quantity of described the first terminal is four, the first contact site of wherein three the first terminals
Arranging parallel to spacing side by side in described longitudinal direction.
Further, described first contact site and/or described supporting part are oval ring.
More preferably, described main part is formed with for limiting described circuit board along perpendicular to described storage tank in storage tank
At least one limit hook of moving up of bottom surface direction.
Further, described limit hook includes being connected to the fastener at described board top surface edge and is connected to locking
Arm between portion and the accommodating groove bottom of main part.
More preferably, described air inlet temperature/pressure sensor also includes covering on described main part and cover described storage tank
A lid, described lid has multiple side plates；Described main part is formed with annular protrusion in the bottom surface of storage tank, described annular
It is formed with the storage glue space inserted the bottom for described side plate, described storage between raised outer wall and the inwall of described storage tank
In glue space, embedding has the fluid sealant for gap between sealing cover body and housing.
It is compared with the prior art, the air inlet temperature/pressure sensor that this utility model provides, using having the first of hollow
The first terminal of contact site and have hollow supporting part Second terminal, circuit board is pushed and respectively with the first terminal and the
After two-terminal contact, the first contact site elastic deformation simultaneously enters formation interference fit in corresponding first connecting hole, supports simultaneously
Portion's elastic deformation simultaneously enters formation interference fit in corresponding second connecting hole, so, by the first contact site of the first terminal,
The supporting part of Second terminal is positioned to circuit board and is fixed, easy to operate, and, after circuit board connection, reliability is high, energy
Enough ensure the good contact of the first terminal and circuit board and Second terminal and circuit board, the conductive characteristic of terminal be achieved and
Keep.
Brief description
Fig. 1 is knot when lid is not connected with housing in the air inlet temperature/pressure sensor that this utility model embodiment provides
Structure schematic diagram；
Fig. 2 is structure when lid is connected with housing in the air inlet temperature/pressure sensor that this utility model embodiment provides
Schematic diagram；
Fig. 3 is the schematic perspective view of the first terminal that this utility model embodiment provides；
Fig. 4 is the structural representation of the Second terminal that this utility model embodiment provides；
Fig. 5 is the structural representation when circuit board that this utility model embodiment provides is not connected with housing；
Fig. 6 is the structural representation when circuit board that this utility model embodiment provides is connected with housing；
Fig. 7 is that the section view that the air inlet temperature/pressure sensor that this utility model embodiment provides is not installed during lid is illustrated
Figure；
Fig. 8 is the enlarged drawing in A portion in Fig. 1；
Fig. 9 is the enlarged drawing in B portion in Fig. 2；
Figure 10 is the structural representation of the circuit-board connecting structure of the air inlet temperature/pressure sensor of prior art.
Main element symbol description
Prior art
201：Circuit board 202：Glue post
This utility model
100：Air inlet temperature/pressure sensor
10：Housing 11：Main part
12：Plug Division 13：Storage tank
14：Insertion chamber 15：Annular protrusion
16：Storage glue space
20：Circuit board 21：First connecting hole
20a：Conducting film
30：The first terminal 31：Connecting portion
32：First contact site 33：Second contact site
40：Second terminal 41：Fixed part
42：Supporting part：
50：Lid 51：Side plate
60：Temperature probe
70：Limit hook 71：Fastener
72：Arm
80：Fluid sealant
D1：First direction D2：Second direction
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to this utility model.It should be appreciated that concrete reality described herein
Apply example only in order to explain this utility model, be not used to limit this utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
As shown in Figure 1 to 9, the preferred embodiment providing for this utility model.
The air inlet temperature/pressure sensor 100 that the present embodiment provides, including housing 10, housing 10 includes interconnective master
Body 11 and Plug Division 12, main part 11 has the storage tank 13 for placing circuit board 20, and Plug Division 12 has a side opening
And the insertion chamber 14 being connected with an aerial lug (not shown), wherein, above-mentioned air inlet temperature/pressure sensor 100 also includes
Multiple the first terminals 30 and at least one Second terminal 40.Each the first terminal 30 all includes the connecting portion being housed in main part 11
31st, it is connected to connecting portion 31 one end and expose the first contact site 32 of the hollow of storage tank 13 bottom surface and be connected to connecting portion 31
Second contact site 33 of the other end, the second contact site 33 is at least partly inserted in insertion chamber 14.Second terminal 40 includes being housed in
Fixed part 41 in main part 11 and be connected with fixed part 41 and expose storage tank 13 bottom surface hollow supporting part 42.Circuit board
20 are had multiple first connecting holes 21 being inserted with interference fit for the first contact site 32 and are inserted with interference fit for supporting part 42
The the second connecting hole (not shown) entering, each inwall of the first connecting hole 21 and the inwall of the second connecting hole be respectively formed on interior
The conducting film 20a that portion's circuit (not shown) connects.
Above-mentioned air inlet temperature/pressure sensor 100, by the first contact site 32 of the first terminal 30, Second terminal 40
Supporting part 42 is positioned to circuit board 20 and is fixed, easy to operate, and, after circuit board 20 connection, reliability is high, Neng Goubao
Card the first terminal 30 and the good contact of circuit board 20 and Second terminal 40 and circuit board 20, the conductive characteristic of terminal is able to reality
Now and keep.
For sake of convenience, hereinafter alleged " left " " right " " on " the left and right, upper and lower of D score and accompanying drawing itself is to one
Cause, but restriction effect is not played to structure of the present utility model.
The air inlet temperature/pressure sensor 100 providing referring to Fig. 1 and 2, the present embodiment, is car engine air admittance temperature pressure
Force transducer, it includes housing 10, lid 50 and the circuit board 20 being arranged in housing 10.
As illustrated in fig. 1 and 2, housing 10, adopt made of plastic, and housing 10 includes interconnective main part 11 and Plug Division
12.The lower end of main part 11 is connected with temperature probe 60, and its upper surface offers a substantially square storage tank 13, with
In receiving circuit board 20 and lid 50.Plug Division 12 is used for being connected with an aerial lug, and this Plug Division 12 has right-end openings
Insertion chamber 14, for aerial lug insertion.It is provided with the first terminal 30 and Second terminal in the storage tank 13 of main part 11
40, to be positioned to circuit board 20 and to be fixed.
Referring to Fig. 1 to 4, by conductive metal material, such as copper or copper alloy are made for the first terminal 30 and Second terminal 40, with
Just show preferable elasticity.In the present embodiment, from figure 3, it can be seen that the first terminal 30 is the plug terminal of adapter, the
One terminal 30 includes the first contact site 32, the second contact site 33 and connection connecting portion 31 between, the first contact site
32 is hollow structure, and substantially in the wide oval ring in little centre up and down, connecting portion 31 has multistage bending segment, the first contact site 32
Substantially it is vertical setting with the second contact site 33.From fig. 4, it can be seen that Second terminal 40 is wiring board fixing terminal, the second end
Son 40 includes the supporting part 42 of fixed part 41 and the hollow being connected with fixed part 41, and the shape of supporting part 42, size connect with first
Contact portion 32 is essentially identical, also for substantially in the wide oval ring in little centre up and down.From Fig. 1 and 2 as can be seen that the first terminal 30
Connecting portion 31 is housed in housing 10 molding in main part 11 and fixing, and the first contact site 32 stretches out from storage tank 13 bottom surface,
Second contact site 33 is at least partly inserted in insertion chamber 14；The fixed part 41 of Second terminal 40 is housed in main part 11, its
Support part 42 is protruded upward by storage tank 13 bottom surface.
As shown in Fig. 1,2,5 and 6, in the present embodiment, the top surface of main part 11 has orthogonal one and laterally (illustrates
Middle D1 direction, is referred to as first direction D1 below) and one longitudinal (in diagram, D2 direction, is referred to as second direction D2 below), first end
Son 30 and Second terminal 40 interval setting on the direction parallel to first direction D1.The quantity of the first terminal 30 is but does not limit to
In four, first contact site 32 spacing side by side on the direction parallel to second direction D2 of wherein three the first terminals 30 sets
Put, the first contact site 32 of another one the first terminal 30 is located above three the first contact site 32 away from the one of Plug Division 12
Side.The quantity of Second terminal 40 is but is not limited to two, two supporting parts 42 on the direction parallel to second direction D2 simultaneously
Row's interval setting.
As shown in Fig. 1,2,5 and 6, circuit board 20 has for the first connecting hole 21 of the first contact site 32 insertion with for supporting
Portion 42 inserts the second connecting hole, and in the present embodiment, the quantity of the first connecting hole 21 is four, and with four the first terminals 30
First contact site 32 is correspondingly arranged one by one, and the quantity of the second connecting hole is two, and the support with two Second terminals 40
Portion 42 is correspondingly arranged one by one, and the first connecting hole 21 is basically the same with the second connecting hole, and is respectively less than the first contact
The Breadth Maximum (width when not deformed) of portion 32 and supporting part 42.It is noted that the inwall of the first connecting hole 21 and
The inwall of two connecting holes is respectively formed on the conducting film 20a making with conductive material, and the first connecting hole 21, second connects hole position and divides
Not near the ends of circuit board 20, applying downward insertion force F1 (power F1 in diagram), by circuit board 20
Push and contact with the first terminal 30 and Second terminal 40 respectively, in the presence of insertion force F1, the first contact site 32 and support
All there is elastic deformation in portion 42, and respectively enter formation interference fit in corresponding first connecting hole 21 and the second connecting hole, this
When, between the first contact site 32 after elastic deformation and the first connecting hole 21 inwall and supporting part 42 is connected in the hole with second
Be respectively formed contact force F2 (power F2 in diagram) between wall, and the direction of pull-out force F3 (power F3 in diagram) of circuit board 20 with
The direction of contact force F2 is substantially vertical, so that circuit board 20 is firmly connected with housing 10.It is understood that the first terminal 30 He
Second terminal 40 utilizes the elastic characteristic of metal material, produces elastic deformation when being connected with circuit board 20, due to terminal structure
Hollow space produce elastic deformation, it is to avoid the plastic deformation of circuit board 20 connecting hole, thus ensureing the first terminal 30 and electricity
Road plate 20 and the good contact of Second terminal 40 and circuit board 20, the conductive characteristic of terminal is achieved and keeps.
As further optimizing, hang down in the first contact site 32 of the first terminal 30 and the equal edge of supporting part 42 of Second terminal 40
Directly upwardly extend in the bottom surface direction of storage tank 13, so, in the assembling process of circuit board 20, the force direction of insertion force F1
Parallel to each other with the bearing of trend of the first contact site 32, supporting part 42, consequently facilitating the connection of circuit board 20 and terminal.
As further optimizing, referring to Fig. 5 to 7, main part 11 is formed with for limiting circuit plate in storage tank 13
20 along the limit hook 70 moving up perpendicular to the bottom surface direction of storage tank 13.In the present embodiment, the number of limit hook 70
Measure for but be not limited to three, three limit hooks 70 are engaged with three sides of circuit board 20 respectively, each limit hook 70
All include being connected to the hook-shaped fastener 71 of circuit board 20 top edge and be connected to the accommodating of fastener 71 and main part 11
Arm 72 between groove 13 bottom surface.It is easily understood that passing through the first terminal 30, the positioning of Second terminal 40, with limiting circuit
Plate 20, in the movement in direction all around, adopts three non-removable limit hooks 70 to clasp circuit board 20 to limit electricity simultaneously
Road plate 20 movement in the vertical direction, to improve the safety coefficient of product structure, even if in running car, produced shake
Move and the relative position between circuit board 20 and housing 10 will not be changed, so that it is guaranteed that car engine air admittance pressure and temp
In the working environment of strenuous vibration, circuit board 20 non-displacement sensor occurs, keeps good terminal electric conductivity.
As further optimizing, referring to Fig. 1,2,8 and 9, air inlet temperature/pressure sensor 100 also includes covering in main body
In portion 11 and cover the lid 50 of storage tank 13, lid 50 is generally rectangular shaped, and it has multiple side plates 51, and lid 50 is slightly less than appearance
Put groove 13, integrally to insert in this storage tank 13 and basic with the top surface of main part 11 in the top surface inserting rear cover body 50
Flush.Main part 11 is formed with annular protrusion 15 in the bottom surface of storage tank 13, and the outer wall of annular protrusion 15 is interior with storage tank 13
It is formed with the storage glue space 16 inserted the bottom for side plate 51, embedding in storage glue space 16 has for sealing cover body 50 between wall
The fluid sealant 80 in gap and housing 10 between, the bottom of side plate 51 is bonded on main part 11 by fluid sealant 80.It is worth one
It is mentioned that, when irrigating fluid sealant 80 with sealing cover body 50, first add the storage glue space 16 of the annular of main part 11 in and seal
Glue 80, the amount of filling fluid sealant 80 (also be added can, unnecessary fluid sealant 80 can be attached to certainly with filling up storage glue space 16 and being advisable
On the inwall of storage tank 13, do not interfere with the outward appearance of product), then, press-in lid 50 is to shown position (position shown in Fig. 2 and 9
Put), Product Assembly can be completed through hot setting (or normal temperature cure).
Above-mentioned sealing structure, has the advantage that：1st, employee is easy to operate, and storage glue space 16 is looped around circuit board 20
Periphery, fills up storage glue space 16, plus the multipair sealing effectiveness of glue no affects, and does not also result in product appearance bad；2nd, seal
Glue 80 bond area is big, and bonding plane is curve bending structure, is greatly improved the reliability of sealing property and connection.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any modification, equivalent or improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of air inlet temperature/pressure sensor is it is characterised in that include：
Circuit board；
Housing, described housing includes interconnective main part and Plug Division, and main part has for placing described circuit board
Storage tank, described Plug Division has a side opening the insertion chamber being connected with an aerial lug；
Multiple the first terminals, the connecting portion all including being housed in described main part, are connected to described connecting portion one end and expose
First contact site of the hollow of described accommodating groove bottom, and it is connected to the second contact site of the described connecting portion other end, described
Second contact site is at least partly inserted described inserted in cavities；And
At least one Second terminal, it is included the fixed part being housed in described main part and is connected with fixed part and exposes described
The supporting part of the hollow of accommodating groove bottom；
Described circuit board is had multiple first connecting holes being inserted with interference fit for described first contact site and supplies described support
On the second connecting hole that portion is inserted with interference fit, the inwall of each described first connecting hole and the inwall of described second connecting hole
It is each formed with conducting film.
2. air inlet temperature/pressure sensor according to claim 1 is it is characterised in that described the first terminal and/or described
Second terminal is made up of copper or copper alloy.
3. air inlet temperature/pressure sensor according to claim 1 is it is characterised in that described first contact site and/or institute
State supporting part edge to upwardly extend perpendicular to the bottom surface direction of described storage tank.
4. air inlet temperature/pressure sensor according to claim 1 is it is characterised in that the top surface of described main part has phase
A mutually vertical horizontal and longitudinal direction, the first terminal and Second terminal are parallel to interval setting on described horizontal direction.
5. air inlet temperature/pressure sensor according to claim 4 is it is characterised in that the quantity of described Second terminal is two
Individual, the supporting part of two Second terminals is being arranged parallel to spacing side by side in described longitudinal direction.
6. air inlet temperature/pressure sensor according to claim 4 is it is characterised in that the quantity of described the first terminal is four
Individual, the first contact site of three the first terminals therein is being arranged parallel to spacing side by side in described longitudinal direction.
7. air inlet temperature/pressure sensor according to claim 1 is it is characterised in that described first contact site and/or institute
Stating supporting part is oval ring.
8. air inlet temperature/pressure sensor according to any one of claim 1 to 7 is it is characterised in that described main part
It is formed with storage tank and move up at least perpendicular to the bottom surface direction of described storage tank for limiting described circuit board edge
One limit hook.
9. air inlet temperature/pressure sensor according to claim 8 is it is characterised in that described limit hook includes being connected to
The fastener at described board top surface edge and the arm being connected between fastener and the accommodating groove bottom of main part.
10. air inlet temperature/pressure sensor according to any one of claim 1 to 7 is it is characterised in that also include covering
On described main part and cover a lid of described storage tank, described lid has multiple side plates；Described main part is in accommodating
The bottom surface of groove is formed with annular protrusion, is formed with for described side between the inwall of the outer wall of described annular protrusion and described storage tank
The storage glue space that the bottom of plate is inserted, embedding in described storage glue space has the sealing for gap between sealing cover body and housing
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851446.XU CN205981493U (en) | 2016-08-08 | 2016-08-08 | Intake -temperature pressure transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851446.XU CN205981493U (en) | 2016-08-08 | 2016-08-08 | Intake -temperature pressure transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981493U true CN205981493U (en) | 2017-02-22 |
Family
ID=58030126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620851446.XU Active CN205981493U (en) | 2016-08-08 | 2016-08-08 | Intake -temperature pressure transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186534A (en) * | 2019-06-27 | 2019-08-30 | 芜湖乐佳电器有限公司 | A kind of chip-shaped fluid sensor |
-
2016
- 2016-08-08 CN CN201620851446.XU patent/CN205981493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186534A (en) * | 2019-06-27 | 2019-08-30 | 芜湖乐佳电器有限公司 | A kind of chip-shaped fluid sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191203 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kwai Chung street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |