CN110208568A - A kind of velocity sensor structure and its manufacturing process - Google Patents
A kind of velocity sensor structure and its manufacturing process Download PDFInfo
- Publication number
- CN110208568A CN110208568A CN201910541887.8A CN201910541887A CN110208568A CN 110208568 A CN110208568 A CN 110208568A CN 201910541887 A CN201910541887 A CN 201910541887A CN 110208568 A CN110208568 A CN 110208568A
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- Prior art keywords
- connector
- connector body
- accommodating chamber
- velocity sensor
- shell
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to the sensors and its manufacturing process in automobile gearbox.A kind of velocity sensor structure, including shell, shell include accommodating chamber, connector component is installed in accommodating chamber, connector component includes integrally formed coupling and connector body, and stitch is equipped in connector body, is equipped with magnet and chip component in one end of connector body.Shell is molded respectively with connector, and then magnet and chip component are welded on connector, and connector component and shell use resin encapsulating.The present invention provides a kind of simple processes, and stability is good, at low cost, a kind of velocity sensor and its manufacturing process of high reliablity；The velocity sensor process solved in gearbox existing in the prior art is complicated, and the stability of sensor is poor, it is not easy to the technical issues of failing.
Description
Technical field
The present invention relates to the sensors more particularly to a kind of velocity sensor for identifying gearbox revolving speed in automobile gearbox
And its manufacturing process.
Background technique
In modern society, automobile has become one of the walking-replacing tool of public first choice.Gearbox is indispensable as automobile
Components, be one of soul component of automobile.Velocity sensor in gearbox is to generally use Hall for identifying revolving speed
Effect sensor provides rotary speed information to TCU, to cooperate automatic gear-box to complete gear shift operation.
Such as Chinese patent: " Novel gear box velocity sensor (CN201721640190.9) ", including shell and plug, institute
It states and is connected as one between plug and shell by injection molding, be equipped with mounting hole in the side of plug, it is embedding in inner wall of the hole installing
Enter to be equipped with becket, be arranged with O-ring seal in the upper end of shell, in shell by injection molding be sealed with magnet, integrated chip and
Several terminals, the stitch of terminal and the pin of integrated chip are welded to each other, and the head of terminal passes through shell and protrudes into plug.It is this
Structure is needed integrated chip by being molded into shell, and chip needs to bear pressure in injection moulding process, to the performance of chip
Have an impact, to influence the performance of velocity sensor.And present manufacturing process, it is first injection molding shell, shell molding
The composite construction that plastic pellet is shaped to connector and shell is added again afterwards.Such technique, mold design require height, simultaneously
It needs two kinds of material recombinant injection moldings, has certain otherness between two kinds of materials, to allow sensing after molding
The combination of device is not firm enough, there is the potential risks such as gas leakage or oil leak.
Summary of the invention
The present invention provides a kind of simple processes, and stability is good, at low cost, a kind of velocity sensor of high reliablity and its
Manufacturing process；The velocity sensor process solved in gearbox existing in the prior art is complicated, the stabilization of sensor
Property is poor, it is not easy to the technical issues of failing.
Above-mentioned technical problem of the invention is solved by following technical proposals: a kind of velocity sensor structure, including
Shell, the shell include accommodating chamber, and the top of accommodating chamber is equipped with support plate, and the other side of support plate is equipped with embedded rings,
Connector component is installed in accommodating chamber, the connector component includes integrally formed coupling and connector body,
Stitch is installed in connector body, magnet and chip component are installed in one end of connector body.Sensor by shell and
Two components of connector are constituted, and structure is simple, after being completed connector component, is directly placed into encapsulating in shell.Shell
Structure it is simple, it is only necessary to open up accommodating chamber and embedded rings, accommodating chamber is cylindrical shape, and support plate is vertical with the axis of accommodating chamber,
Support plate is plate, offers card slot in the embedded rings attachment of support plate, convenient to position embedded rings in in-mold molding.Stitch
It is directly injection-moulded in connector, magnet and chip component are directly welded in connector body, then by connector and shell
Body is solidified by encapsulating, does not need to carry out quadric injection mould to chip component, to improve the unfailing performance of chip component.It is external
Head is located at for being attached with outside above support plate, and connector body is located in accommodating chamber, facilitates installation stitch, chip member
Part and magnet, and guarantee using encapsulating the connective stability of each device.
Preferably, the accommodating chamber is cylinder, positioning plane, the connection are equipped in the cavity wall of accommodating chamber
Head ontology is equipped with the positioning surface with positioning plane cooperation.In the opening setting positioning plane of accommodating chamber, while in connector
With the positioning surface of cooperation is also provided at accommodating chamber cooperation, to both prevent mutually rotation, improve the stability of cooperation.
Preferably, the outer surface in the connector body with the linkage section of accommodating chamber cooperation is equipped with positioning protrusion.
By positioning protrusion, the positioning in the center of circle is carried out using cooperation, structure is simple, and positioning accuracy is high.
Preferably, the connector body includes integrally formed linkage section and construction section, the cross section of linkage section
Identical as the cross section of accommodating chamber, the cross section of construction section is less than the cross section of accommodating chamber, is located at accommodating chamber in connector body
Sealant pouring and sealing after interior.Positioning protrusion and positioning surface are set on construction section, guarantee position of the connector body in accommodating chamber, connection
Section for installing each element, filled up using encapsulating by the gap between linkage section and accommodating chamber.In the top of accommodating chamber, accommodating chamber
There is a step surface between support portion, be used for sealant pouring and sealing, sealant pouring and sealing face is concordant with support portion.
Preferably, the bottom end of the connector body offers chip component mounting groove, at the bottom of connector body
Magnet holding tank is offered on rear side of end.
Preferably, being equipped with cascaded surface between the accommodating chamber and support plate, coupling and connector body are in ladder
Shape arrangement, coupling are located on cascaded surface.Cascaded surface facilitates encapsulating, and coupling and connector body be not on integrated straight line, side
Just fixed and positioned.
A kind of manufacturing process of velocity sensor structure: stitch is put into the mold of connector by the first step, injection molding
Head shapes are connected, connector includes coupling and connector body, and stitch injection molding is fixed in connector body；Meanwhile it will
Embedded rings are put into the mold of shell, injection molding hull shape, and shell includes that an accommodating chamber and support plate, embedded rings are located at
In support plate on shell；Chip component is welded in the mounting groove below connector body, magnet is fixed on by second step
In holding tank below connector body；Third step places the connector component that second step is equipped with magnet and chip component
In the accommodating chamber of connector body in the first step, it is then potted solidification；4th step is socketed with sealing on shell
Circle.Two molds are only needed, connector and shell are injected separately, stitch, which is placed directly in mold, directly integrally to be infused with connector
It is moulded into type, then chip component and magnet are welded in connector body.Connector component is directly potted in the receiving of shell
It is intracavitary, it is no longer necessary to which that quadric injection mould, effectively preventing in injection moulding process twice can plastics twice caused by existing secondary overlay film
In conjunction with bad, lead to the potential risk of gas leakage oil leak etc..Meanwhile chip component will not be made because of the high temperature and pressure of injection molding
At adverse effect.The stability of sensor is improved, failure risk is reduced.
Preferably, the injection pressure in the first step is 120 ~ 140kg/cm2, 250 DEG C ~ 330 DEG C of injection temperature.Second
In the welding process of step, chip component is welded using Laser Welding.In third step encapsulating solidification be using resin curing agent into
Row encapsulating solidification.
Therefore, a kind of velocity sensor of the invention and its manufacturing process have following advantages: the structure of sensor is simple,
Technical process is simple, small to chip component damage, and the stability of product is high, and two components of connector and shell are molded respectively, so
It is potted again afterwards, does not need quadric injection mould, ensure that the stability of two components connection, improve the use of integral sensors
Performance.
Detailed description of the invention
Fig. 1 is a kind of perspective view of velocity sensor of the invention.
Fig. 2 is the top perspective view of Fig. 1 inner housing.
Fig. 3 is the perspective view of connector component in Fig. 1.
Fig. 4 is the decomposition diagram of Fig. 3.
Fig. 5 is the bottom view of connector in Fig. 1.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment:
As illustrated in fig. 1 and 2, a kind of velocity sensor, including shell 4 offer columned accommodating chamber 8 in shell 4, in shell
A support plate 2 is also formed on 4, the side of support plate 2 offers through-hole, and pass through injection molding outside through-hole and embedded rings 3 are installed,
The centerline parallel of the center lines of embedded rings 3 and accommodating chamber 8 offers three uniformly distributed support card slots 6 on the hole wall of through-hole, use
In when forming embedded rings 3, embedded rings 3 are supported and are positioned.Sealing ring 5 is socketed on the outer wall of accommodating chamber 8.Holding
Receiving the top of chamber 8 forms cascaded surface 7, and cascaded surface 7 is to provide encapsulating mouth in the subsequent encapsulating by connector component.Together
When accommodating chamber 8 opening be provided with positioning plane 9.
As shown in Fig. 3 and 4 and 5, connector component 1 is placed in accommodating chamber 8, connector component 1 includes being integrally formed
Coupling 10 and connector body, coupling 10 is located at the top of support plate 2, and connector body is located in accommodating chamber.Connector
Ontology includes integrally formed linkage section 11 and construction section 12, and positioning surface 18 is provided on linkage section 11, and positioning surface 18 is plane,
The positioning plane 9 of positioning surface 18 and accommodating chamber opening cooperates, and prevents connector main body from rotating in accommodating chamber 8.In linkage section
It is evenly equipped with positioning protrusion 15 on 11, is positioned by uniformly distributed positioning protrusion 15 come the center of circle to connector main body.On construction section
Stitch 14 is installed, stitch 14 is directly injection-moulded on the construction section 11 of connector main body, is opened in the lower end of connector main body
Equipped with chip component mounting groove 17, chip component 13 is welded in connector main body, meanwhile, it is opened up on rear side of connector body
There is magnet holding tank, magnet 16 is installed wherein.
After connector component is placed into accommodating chamber, connector component is solidificated in accommodating chamber using encapsulating, encapsulating is flat
Face is concordant with support plate plane.
The technique for manufacturing above-mentioned velocity sensor are as follows: stitch is put into the mold of connector by the first step, and injection molding connects
Joint geometry, connector include coupling and connector body, and stitch injection molding is fixed in connector body；Meanwhile it will be embedding
Enter ring to be put into the mold of shell, injection molding hull shape, shell includes an accommodating chamber and support plate, and embedded rings are located at shell
In support plate on body, wherein injection pressure is 120 ~ 140kg/cm2, 250 DEG C ~ 330 DEG C of injection temperature, shell and connector
Injected plastics material be PA66+30%GF；Chip component is utilized installation of the laser welding below connector body by second step
In slot, magnet is fixed in the holding tank below connector body；Second step is equipped with magnet and chip component by third step
Connector component be placed in the accommodating chamber of the connector body in the first step, be then potted using resin curing agent solid
Change；4th step, is socketed with sealing ring on shell.
Claims (10)
1. a kind of velocity sensor structure, it is characterised in that: including shell, the shell includes accommodating chamber, accommodating chamber it is upper
Side is equipped with support plate, and the other side of support plate is equipped with embedded rings, connector component, the connector are equipped in accommodating chamber
Component includes integrally formed coupling and connector body, and stitch is equipped in connector body, in connector body
One end is equipped with magnet and chip component.
2. a kind of velocity sensor structure according to claim 1, it is characterised in that: the accommodating chamber is cylinder,
Positioning plane is equipped in the cavity wall of accommodating chamber, the connector body is equipped with the positioning surface with positioning plane cooperation.
3. a kind of velocity sensor structure according to claim 1 or 2, it is characterised in that: in the connector body
Positioning protrusion is equipped with the outer surface of the linkage section of accommodating chamber cooperation.
4. a kind of velocity sensor structure according to claim 1 or 2, it is characterised in that: the connector body packet
Integrally formed linkage section and construction section are included, the cross section of linkage section and the cross section of accommodating chamber are identical, the cross section of construction section
Less than the cross section of accommodating chamber, the sealant pouring and sealing after connector body is located in accommodating chamber.
5. a kind of velocity sensor structure according to claim 1 or 2, it is characterised in that: the connector body
Bottom end offers chip component mounting groove, and magnet holding tank is offered on rear side of the bottom end of connector body.
6. a kind of velocity sensor structure according to claim 1 or 2, it is characterised in that: the accommodating chamber and support
Cascaded surface is equipped between plate, coupling is ladder-like arranged with connector body, and coupling is located on cascaded surface.
7. a kind of technique of velocity sensor structure described in manufacturing claims 1, it is characterised in that: the first step puts stitch
Enter in the mold of connector, injection molding connector shape, connector includes coupling and connector body, stitch is molded solid
It is scheduled in connector body；Meanwhile embedded rings being put into the mold of shell, injection molding hull shape, shell includes one
Accommodating chamber and support plate, embedded rings are located in the support plate on shell；Chip component is welded under connector body by second step
In the mounting groove of side, magnet is fixed in the holding tank below connector body；Third step, by second step be equipped with magnet and
The connector component of chip component is placed in the accommodating chamber of the connector body in the first step, is then potted solidification；The
Four steps, are socketed with sealing ring on shell.
8. a kind of manufacturing process of velocity sensor structure according to claim 7, it is characterised in that: in the weldering of second step
In termination process, chip component is welded using Laser Welding.
9. a kind of manufacturing process of velocity sensor structure according to claim 7, it is characterised in that: the filling in third step
Sealing is to be potted solidification using resin curing agent.
10. a kind of manufacturing process of velocity sensor structure according to claim 7, it is characterised in that: in the first step
Injection pressure is 120 ~ 140kg/cm2, 250 DEG C ~ 330 DEG C of injection temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541887.8A CN110208568A (en) | 2019-06-21 | 2019-06-21 | A kind of velocity sensor structure and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541887.8A CN110208568A (en) | 2019-06-21 | 2019-06-21 | A kind of velocity sensor structure and its manufacturing process |
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| Publication Number | Publication Date |
|---|---|
| CN110208568A true CN110208568A (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910541887.8A Pending CN110208568A (en) | 2019-06-21 | 2019-06-21 | A kind of velocity sensor structure and its manufacturing process |
Country Status (1)
| Country | Link |
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| CN (1) | CN110208568A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239339A (en) * | 1997-02-27 | 1998-09-11 | Kansei Corp | Resin-sealed type rotation sensor and apparatus and method for manufacturing the same |
| JP2002071700A (en) * | 2000-08-31 | 2002-03-12 | Nagano Japan Radio Co | Rotation sensor |
| CN206399963U (en) * | 2017-01-14 | 2017-08-11 | 上海感先汽车传感器有限公司 | A kind of magneto-electric crankshaft speed sensor |
| CN208000319U (en) * | 2017-11-30 | 2018-10-23 | 艾菲发动机零件（武汉）有限公司 | Novel gear box velocity sensor |
| CN208766195U (en) * | 2018-08-21 | 2019-04-19 | 杭州临安天隆电子有限公司 | A kind of novel vehicle speed sensor |
| CN209878795U (en) * | 2019-06-21 | 2019-12-31 | 浙江沃得尔科技股份有限公司 | Speed sensor structure |
-
2019
- 2019-06-21 CN CN201910541887.8A patent/CN110208568A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239339A (en) * | 1997-02-27 | 1998-09-11 | Kansei Corp | Resin-sealed type rotation sensor and apparatus and method for manufacturing the same |
| JP2002071700A (en) * | 2000-08-31 | 2002-03-12 | Nagano Japan Radio Co | Rotation sensor |
| CN206399963U (en) * | 2017-01-14 | 2017-08-11 | 上海感先汽车传感器有限公司 | A kind of magneto-electric crankshaft speed sensor |
| CN208000319U (en) * | 2017-11-30 | 2018-10-23 | 艾菲发动机零件（武汉）有限公司 | Novel gear box velocity sensor |
| CN208766195U (en) * | 2018-08-21 | 2019-04-19 | 杭州临安天隆电子有限公司 | A kind of novel vehicle speed sensor |
| CN209878795U (en) * | 2019-06-21 | 2019-12-31 | 浙江沃得尔科技股份有限公司 | Speed sensor structure |
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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 | ||
| CB02 | Change of applicant information |
Address after: 318000 1st floor, building 1, No. 818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Zhejiang Woder Technology Group Co.,Ltd. Address before: 318000 No.1, building 1, No.818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: ZHEJIANG WODELL TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240419 Address after: No. 201, 2nd Floor, Building 4, No. 818, East Section of Kaifa Avenue, Haihong Street, Taizhou Bay New Area, Taizhou City, Zhejiang Province, 318014 Applicant after: Zhejiang Walder Electronics Co.,Ltd. Country or region after: China Address before: 318000 1st floor, building 1, No. 818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: Zhejiang Woder Technology Group Co.,Ltd. Country or region before: China |
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| TA01 | Transfer of patent application right |