CN1252443C - Position testing variable resistance for vehicle - Google Patents
Position testing variable resistance for vehicle Download PDFInfo
- Publication number
- CN1252443C CN1252443C CNB2003101154070A CN200310115407A CN1252443C CN 1252443 C CN1252443 C CN 1252443C CN B2003101154070 A CNB2003101154070 A CN B2003101154070A CN 200310115407 A CN200310115407 A CN 200310115407A CN 1252443 C CN1252443 C CN 1252443C
- Authority
- CN
- China
- Prior art keywords
- rotor
- shell
- housing
- variable resistor
- heat resistanceheat
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/28—Adjustable resistors the contact rocking or rolling along resistive element or taps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Adjustable Resistors (AREA)
Abstract
A location detecting variable resistor is provided to achieve improved impact and vibration resistance by arranging a film substrate and a wiper in parallel to the axial direction of a rotor. A location detecting variable resistor(40) comprises a housing(41) having an internal space, and which is coupled with a connector(42) for connection with an external power source; a heat resistant film substrate(43) arranged in the housing, and which has a surface on which a resistor is attached; a connection spring(44) for electrically connecting the connector and the heat resistant film substrate in the housing; a rotor(45) arranged in the housing and coupled to the component to be measured; a wiper(46) coupled to the outer surface of the rotor, and which contacts the resistor on the heat resistant film substrate in accordance with the rotation of the rotor so as to vary a resistance; an O-ring(47) interposed between the inner bottom surface of the housing and the rotor, and which prevents moisture and foreign substances from infiltrating into the housing; a cover(48) covering the top of the housing; and a coil spring(49) interposed between the rotor and the cover, and which permits the rotor to elastically return to its original position after rotor opening/shutting.
Description
Technical field
The present invention relates to a kind of position probing variable resistor that is used for automobile, it is installed on the parts of automobile, as is used for the part of engine or accelerator pedal and brake pedal, to be used to detect the operating position of each parts.More particularly, the present invention relates to a kind of position probing variable resistor that is used for automobile, the element that wherein is connected on the resistive element is made of the heat resistanceheat resistant film, and the brush positioned parallel is to the operating axis of rotor, thereby can significantly strengthen resistance to impact and vibration resistance, simultaneously, the imbalance by reducing resistance value to greatest extent increases security of products and reliability with detection position accurately.
Background technology
On the whole, in control device, as be used for the engine of automobile or the parts of accelerator pedal and brake pedal, detect at needs under the situation of each operation of components position, use variable resistor by following principle: when applied voltage, resistance value changes according to the position, and it is poor to calculate output voltage according to the position then, thus detection position accurately.
Fig. 1 shows according to the variable-resistance decomposition diagram of the position probing of conventional art.
With reference to Fig. 1, the variable resistor 10 that is applied to the detection position of each parts of automobile comprises: have reservation shape, be formed with the shell 12 of space segment therein, this shell 12 has the connector 11 that is used for being connected in its side external power; Be installed in the terminal 13 that is electrically connected with connector 11 in the shell 12; Its surface is formed with the element 14 of resistive element; Have preliminary dimension and axially be assembled into rotor 15 on the element to be measured, it is inner and in its original position rotation that this rotor 15 rotatably is combined to shell 12; Be assembled into the brush 16 of rotor 15 sides, this brush 16 makes resistance variations according to the rotation of rotor 15 by the resistive element on the contact element 14; The assembled part of respective rotor 15 inserts the O type circle 17 that is installed to shell 12 bottom surfaces, be used to prevent moisture and exterior materials from the outside deposition of shell to inside; And the lid 18 that is used for covering shell 12 upper parts.
The traditional location that below explanation is used for the said structure of automobile detects variable-resistance operation.
The axle of the parts of position to be detected is assembled on the rotor 15, applies electric power then, voltage is applied on the element 14 by terminal 13.
When this state, when operation corresponding parts and rotor 15 during, be assembled into brush 16 rotations of rotor 15 ends and contact and be connected resistive element on the element 14 in the rotation of its original position, resistance value is continuously changed according to the position.
Because the resistance value that changes causes output voltage poor, so can detect the position of corresponding component.
Yet, as mentioned above, detect variable resistor in the traditional location that is being used for automobile, because the element 14 that connects resistive element is by ceramic making, shock resistance is bad, so its shortcoming that has is just to be easy to fragmentation under very little impact.
In addition, because on the vertical operating axis that is installed to rotor 15 of element 14 and brush 16, can be because the vibration of engine produces the magnitude of voltage loss, so its shortcoming that has is accurately to detect and to make overall volume to become big in some cases.
In addition, owing to be used to prevent that moisture and exterior materials are installed to the outside of shell bottom surface to the built-up section of O type circle 17 respective rotor 15 of inside from the outside deposition of shell, so, its some shortcomings that have are can not stop moisture effectively and deposit to material on the rotor 15, and the assembled portion of O type circle 17 must process more smooth.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of improved position probing variable resistor, to solve the above-mentioned problem that is installed to the automobile upper-part, as be used for the part of engine or accelerator pedal and brake pedal, to be used to detect the operating position of each parts, and the element that wherein connects resistive element is made of the heat resistanceheat resistant film, and brush is positioned on the operating axis of rotor with parallel mode, thereby significantly strengthen resistance to impact and vibration resistance, imbalance by reducing resistance value to greatest extent increases security of products and reliability with detection position accurately simultaneously.
In order to reach above-mentioned purpose of the present invention, a kind of position probing variable resistor that is used for automobile is provided, it comprises: have reservation shape, be formed with the shell of space segment therein, this shell has the connector that is connected to external power in its side; Be installed to the inside of shell and the heat resistanceheat resistant membrane component that the surface is connected with resistive element; The precalculated position that is used for portion in the enclosure is connected spring with what connector and heat resistanceheat resistant membrane component were electrically connected; Have preliminary dimension and axially be assembled into rotor on the parts to be measured, this rotor rotatably is assembled into enclosure and in its original position rotation; The operating axis that is parallel to rotor is assembled into the brush in the precalculated position of rotor outer surface,, this brush changes resistance according to the rotation of rotor by the resistive element on the contact heat resistanceheat resistant membrane component; Be inserted between the bottom surface and rotor of enclosure, thereby prevent moisture and exterior materials O type circle from the outside deposition of shell to inside; The lid that is used for the covering shell upper part; And be installed between rotor and the lid, and start and stop rotor after the volute spring that can return elastically.
In the present invention, the heat resistanceheat resistant film is parallel to the inside that axially is installed in shell of rotor.
Description of drawings
With reference to accompanying drawing following preferred implementation is specifically described, will makes the present invention's more clear and easy understanding that becomes, its accompanying drawing only is used to the present invention is described and do not limit the present invention, wherein:
Fig. 1 shows according to the variable-resistance decomposition diagram of the position probing of conventional art;
Fig. 2 shows the variable-resistance decomposition diagram of position probing according to the present invention; And
Fig. 3 is the skeleton view that shows according to the variable-resistance assembled state of position probing of the present invention;
Embodiment
Hereinafter, with reference to the accompanying drawings position probing variable resistor according to the preferred embodiment of the present invention is elaborated.
Fig. 2 shows the variable-resistance decomposition diagram of position probing according to the present invention; And Fig. 3 is the skeleton view that shows according to the variable-resistance assembled state of position probing of the present invention;
Shown in Fig. 2 and 3, the shell 41 that constitutes position probing variable resistor 40 according to the present invention is made into predetermined shape, is formed with space segment in it and has to be used for the whole connector 42 that connects external power in its side.
Heat resistanceheat resistant membrane component 43 vertically is installed to the inside of shell 41, and its surface is connected with resistive element.Be used for the precalculated position that spring 44 is installed in shell 41 inside that is connected with connector 42 and 43 electrical connections of heat resistanceheat resistant film matrix.
In the present invention, the core of rotor 45 in shell 41 with preliminary dimension axially is assembled on the parts to be measured, and rotor 45 is rotated in the original position.
Brush 46 is parallel to the axial assembling of rotor 45, is set to the rotation according to rotor, and the resistive element by on the precalculated position of rotor 45 outside surfaces contact heat resistanceheat resistant membrane component 43 changes resistance.
In addition, O type circle 47 is inserted between the bottom surface and rotor of shell 41 inside, thus prevent moisture and exterior materials from the outside deposition of shell to inside, and cover 48 upper parts that are set to be used for covering shell 41.
Volute spring 49 is inserted between rotor 45 and the lid 48, thereby when starting and stopping to return elastically behind the rotor 45.
Above structure is illustrated explained later mode of operation of the present invention.
With reference to Fig. 2 and 3, the heat resistanceheat resistant membrane component 43 that connects resistive element is installed to shell 41 inside, the rotor 45 that will have a brush 46 is assembled into the core in the shell 41, rotor 45 is rotated in the original position, to be used for rotating the axle of testing product position to be connected to the inside of rotor 45 by center at arbitrary axis, when applying electric power, voltage is applied to heat resistanceheat resistant membrane component 43 by connecting spring 44 by connector 42.
At this state,, be assembled into the brush rotation of rotor 45 outside surfaces, and contact, thereby continuously change resistance value according to the position with the resistive element that is connected heat resistanceheat resistant membrane component 43 when operation corresponding parts and rotor 45 during in the rotation of its original position.
As mentioned above, owing to cause output voltage poor according to the resistance value of change in location, so can detect the position of corresponding component.
At this mode of operation, the position of brush 46 is set to be parallel to axle, it is assembled into rotor 45 and operation, and heat resistanceheat resistant membrane component 43 is along being parallel to the axial stationkeeping of rotor 45, thereby make the up-down vibration operation of brush 46 and the also relative rotor 45 of heat resistanceheat resistant membrane component 43, thereby obtain good resistance to shock.
Described as preferred implementation, some advantages are, owing to connect the heat resistanceheat resistant film of resistive element and the axial setting that brush is parallel to rotor, so it is with respect to the up-down vibration of rotor and operation simultaneously, thereby obtain good resistance to shock; In addition, owing to can not produce output voltage loss, thus can reduce the unbalancedness of resistance value to greatest extent, thus detection position more accurately.
In addition, because element comprises the heat resistanceheat resistant film, and therefore the pottery that does not adopt conventional variable resistance to use can obtain good impact resistance, makes it can not be easy to break, and fully can be at high temperature transmits information from the engine of automobile enduringly.
In addition,, assemble then because O type circle is inserted between shell basal surface and the rotor, thus processing technology improved, and prevented moisture and exterior materials substantially.
Though the present invention shows by its certain preferred implementation and illustrates, but it should be appreciated by those skilled in the art, do not deviating under the prerequisite of the spirit and scope of the present invention that limit as claim, can make various variations form of the present invention, improvement and details.
Claims (2)
1. position probing variable resistor that is used for automobile comprises: have reservation shape, be formed with the shell of space segment therein, this shell has the connector that is used for being connected in its side external power; Be installed to the inside of shell and the heat resistanceheat resistant membrane component that the surface is connected with resistive element; Have preliminary dimension and axially be assembled into rotor on the element to be measured, this rotor rotatably is assembled into enclosure and in its original position rotation; The operating axis that is parallel to rotor is assembled into the brush in the precalculated position of rotor outer surface, and this brush changes resistance according to the rotation of rotor by the resistive element on the contact heat resistanceheat resistant membrane component; And the lid that is used for the covering shell upper part, it is characterized in that described variable resistor also comprises:
Be inserted between enclosure bottom surface and the rotor, thereby prevent moisture and exterior materials O type circle from the outside deposition of shell to inside;
The precalculated position that is used for portion in the enclosure and connector and heat resistanceheat resistant membrane component are electrically connected is connected spring; And
Be installed between rotor and the lid, and the volute spring that returns elastically when startup and after stopping rotor.
2. the position probing variable resistor that is used for automobile according to claim 1 is characterized in that the heat resistanceheat resistant film is parallel to the inside that axially vertically is installed in shell of rotor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020073459A KR20040045627A (en) | 2002-11-25 | 2002-11-25 | Convertible location detecting resistor for automobile |
| KR1020020073459 | 2002-11-25 | ||
| KR10-2002-0073459 | 2002-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510389A CN1510389A (en) | 2004-07-07 |
| CN1252443C true CN1252443C (en) | 2006-04-19 |
Family
ID=34270536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101154070A Expired - Fee Related CN1252443C (en) | 2002-11-25 | 2003-11-25 | Position testing variable resistance for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20040045627A (en) |
| CN (1) | CN1252443C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865700B (en) * | 2009-04-15 | 2012-06-20 | 上海沃巴弗电子科技有限公司 | Displacement sensor for detecting rotation angle of accelerator pedal of hybrid automobile |
| CN105318832B (en) * | 2015-11-03 | 2018-08-07 | 北汽福田汽车股份有限公司 | Contact accelerator pedal position sensor, throttle control system and vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR900002640Y1 (en) * | 1986-02-10 | 1990-03-31 | 알프스 덴기 가부시기 가이샤 | Variable resistor |
| JPH0727606Y2 (en) * | 1988-08-23 | 1995-06-21 | アルプス電気株式会社 | Interlocking variable resistor |
| JPH0263101A (en) * | 1988-08-29 | 1990-03-02 | Murata Mfg Co Ltd | Variable resistor |
| JP3211509B2 (en) * | 1993-09-14 | 2001-09-25 | 株式会社村田製作所 | Variable resistor |
-
2002
- 2002-11-25 KR KR1020020073459A patent/KR20040045627A/en not_active Application Discontinuation
-
2003
- 2003-11-25 CN CNB2003101154070A patent/CN1252443C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1510389A (en) | 2004-07-07 |
| KR20040045627A (en) | 2004-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: S& T DAEWOO CO., LTD. Free format text: FORMER NAME OR ADDRESS: K.K. DAEWOO PRECISION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Busan, South Korea Patentee after: S&T Daewoo Corporation Address before: Busan, South Korea Patentee before: K.K. Daewoo Precision |
|
| 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: 20060419 Termination date: 20171125 |