CN203037202U - Displacement sensor - Google Patents
Displacement sensor Download PDFInfo
- Publication number
- CN203037202U CN203037202U CN 201220648236 CN201220648236U CN203037202U CN 203037202 U CN203037202 U CN 203037202U CN 201220648236 CN201220648236 CN 201220648236 CN 201220648236 U CN201220648236 U CN 201220648236U CN 203037202 U CN203037202 U CN 203037202U
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- body assembly
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Abstract
The utility model, which belongs to the field of position sensor technology, relates to a displacement sensor, thereby mainly solving problems of inconvenient installation and maintenance and difficult disassembling and the like. The displacement sensor is characterized in that the sensor comprises a housing, a cover plate, a circuit board, a chip, a magnetic ring, and an epoxy resin colloid; the housing, the cover plate, the circuit board, the chip, and the epoxy resin colloid form a sensor main body assembly; the epoxy resin colloid is coated in the space between circuit board and the chip in the housing; and the connection between the magnetic ring and the sensor main body assembly employs a split type structure. In addition, the magnetic ring that is installed on an execution mechanism and the sensor main body assembly are installed separately; and thus the installation and maintenance of the sensor main body assembly can not be influenced by the magnetic ring and the execution mechanism. Therefore, the provided displacement sensor having characteristics of accurate measurement, high reliability, long service life and maintenance-free property can be mainly used for measuring positions of gear selection and gear shifting of an automotive gear box.
Description
Technical field
The utility model belongs to the position transducer technical field.Be specifically related to a kind of displacement transducer for the wheel box block selecting of measured automobiles auto-manual and drive range.
Background technology
Displacement transducer is mainly used to the wheel box block selecting of measured automobiles auto-manual and drive range.When automobile is in the fluid drive state, need to detect in real time residing gear, when wheel box was in the neutral state, signal of sensor output was given TCU; When wheel box is in when putting into gear state, different signal of displacement transducer output is given TCU, judges the residing gear of wheel box by TCU.Displacement transducer generally is installed in top or the sidepiece of automobile gearbox.Follow the development of automobile industry, the auto-manual wheel box will become a bright spot on the automobile gearbox history.Because wheel box realizes by mechanical mechanism that all present displacement transducer all is contact when block selecting or gearshift, thereby there is the deficiency that is not easy to the wheel box maintenance and installs.
Summary of the invention
The purpose of this utility model provides a kind of for the auto-manual wheel box at above-mentioned weak point exactly, can avoid the displacement transducer that contacts with shift-selecting and changing actuating mechanism.
Technical solution of the present utility model is: a kind of displacement transducer is characterized in that: comprise housing, cover plate, wiring board, chip, magnet ring and epoxy resin colloid; Housing, cover plate, wiring board, chip and epoxy resin colloid constitute the sensor main body assembly; The epoxy resin colloid coats wiring board and chip chamber in housing; Adopt split-type structural between magnet ring and the sensor main body assembly.
Magnet ring described in the technical solution of the present utility model is installed on the shift-selecting and changing actuating mechanism, drive the magnet ring motion during shift-selecting and changing actuating mechanism motion, the magnetic flux change of chip reaction magnetic ring, export certain magnitude of voltage, handle back output through peripheral circuit, and displacement and the voltage of magnet ring are output as certain linear, and namely when displacement was S0, output voltage was U0.
The center of the magnet ring described in the technical solution of the present utility model is 14 ± 1mm apart from the air line distance of chip.
The utility model is owing to adopt by housing, cover plate, wiring board, the displacement transducer main body assembly that chip and epoxy resin colloid constitute, and and the sensor main body assembly between adopt the magnet ring of split-type structural, wherein, magnet ring is installed in the topworks of shifting, chips welding in the circuit board, wiring board by pb-free solder in enclosure interior, be coated with epoxide-resin glue in the circuit board, avoid vibrating the damage to chip and wiring board, cover plate adopts anaerobic adhesive to be connected with housing, thereby, after the utility model displacement transducer is loaded on the automobile variable speed upper box part, follow shift-selecting and changing actuating mechanism to drive the motion of magnet ring, the different magnitude of voltage of sensor output offers TCU, and TCU judges the residing position of shifting by different magnitudes of voltage.The utility model has overcome displacement transducer needs the shortcoming that be connected with topworks, has that measurement is accurate, reliability is high, long service life and non-maintaining characteristics, is a kind of New Displacement Transducer that meets auto-manual wheel box standard.The utility model is mainly used in the position of measured automobiles shifting.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this practical output voltage curve synoptic diagram.
Embodiment
As shown in Figure 1.The utility model displacement transducer is made up of housing 1, cover plate 5, wiring board 3, chip 2, magnet ring 6 and epoxy resin colloid 4.Wherein, housing 1, cover plate 5, wiring board 3, chip 2 and epoxy resin colloid 4 constitute the sensor main body assemblies, and housing 1, cover plate 5, wiring board 3, chip 2 are same as the prior art.Epoxy resin colloid 4 in housing 1 with wiring board 3 and 2 coatings of chip.Adopt split-type structural between magnet ring 6 and the sensor main body assembly, magnet ring 6 is installed on the shift-selecting and changing actuating mechanism, by the motion of topworks, drives magnet ring 6 motions, and then makes the magnetic flux change of passing chip 2, exports different magnitudes of voltage; Wiring board assembly by chip 2 and wiring board 3 assemblies is installed in the housing 1, and adopts pb-free solder on the inserted sheet of housing; Between wiring board 3 and housing, be coated with epoxide-resin glue then, reduce to vibrate the influence to the components and parts on the wiring board 3 and chip 2, and the water proof and dust proof effect is arranged; Cover plate 5 is coupled together by colloid and housing 1, and the water-tight dustproof effect is formed the utility model.When working sensor, the movement locus of magnet ring 6 is with respect to the position symmetry of chip 2, and the distance on centre distance chip 2 surfaces of magnet ring 6 is 14 ± 1mm.
As shown in Figure 2.Output voltage figure during the utility model work, when magnet ring 6 is under chip 2, i.e. displacement is a half (S0) of total displacement, voltage is output as U0=Umax+Umin.
Claims (3)
1. a displacement transducer is characterized in that: comprise housing (1), cover plate (5), wiring board (3), chip (2), magnet ring (6) and epoxy resin colloid (4); Housing (1), cover plate (5), wiring board (3), chip (2) and epoxy resin colloid (4) constitute the sensor main body assembly; Epoxy resin colloid (4) will coat between wiring board (3) and chip (2) in housing (1); Adopt split-type structural between magnet ring (6) and the sensor main body assembly.
2. displacement transducer according to claim 1, it is characterized in that: the center of described magnet ring (6) is 14 ± 1mm apart from the air line distance of chip (2).
3. displacement transducer according to claim 1 and 2, it is characterized in that: the displacement of described magnet ring (6) and the output voltage of sensor are linear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648236 CN203037202U (en) | 2012-11-30 | 2012-11-30 | Displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648236 CN203037202U (en) | 2012-11-30 | 2012-11-30 | Displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037202U true CN203037202U (en) | 2013-07-03 |
Family
ID=48689316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220648236 Expired - Fee Related CN203037202U (en) | 2012-11-30 | 2012-11-30 | Displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413113A (en) * | 2020-11-18 | 2021-02-26 | 瑞立集团瑞安汽车零部件有限公司 | Select integrated device that shifts based on commercial car AMT derailleur assembly |
-
2012
- 2012-11-30 CN CN 201220648236 patent/CN203037202U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413113A (en) * | 2020-11-18 | 2021-02-26 | 瑞立集团瑞安汽车零部件有限公司 | Select integrated device that shifts based on commercial car AMT derailleur assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130703 Termination date: 20161130 |