CN201413335Y - Motorcycle speed sensor - Google Patents
Motorcycle speed sensor Download PDFInfo
- Publication number
- CN201413335Y CN201413335Y CN2009201211907U CN200920121190U CN201413335Y CN 201413335 Y CN201413335 Y CN 201413335Y CN 2009201211907 U CN2009201211907 U CN 2009201211907U CN 200920121190 U CN200920121190 U CN 200920121190U CN 201413335 Y CN201413335 Y CN 201413335Y
- Authority
- CN
- China
- Prior art keywords
- square hole
- square
- circuit board
- hall element
- hole axle
- 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
A motorcycle speed sensor comprises a circuit board and a Hall element arranged on the circuit board. The circuit board is arranged inside a mounting frame, the mounting frame is fixed on a positioning plate, a center hole of the positioning plate is sleeved with a square-bore shaft, the top end of the square-bore shaft is uniformly fixed with four permanent magnet steels, the Hall element is located above the permanent magnet steels, a mounting stud bolt is sleeved at the lower end of the square-bore shaft, a bearing component is arranged between the mounting stud bolt and the positioning plate and sleeved outside the square-bore shaft, the center hole of the lower end of the square-bore shaft is provided with a square bore, and an impulse signal outputting hole is arranged inside the mounting frame. The motorcycle speed sensor is simple in structure and long in service life.
Description
Technical field
The utility model relates to a kind of vehicle sensors, refers in particular to the vehicle speed sensor that a kind of motorcycle is used.
Background technology
The tach signal of motorcycle engine has multiple mode to obtain, because the requirement of motorcycle tach signal is more and more higher, utilizes Hall element that the mode that rotating speed changes electric pulse into is begun to increase recently.As Chinese patent once disclosed a kind of " motorcycle speed sensors " (China, publication number CN2765190, open day 2006.03.15), comprise shell and be contained in the interior sensor circuit of shell.Rotating shaft is housed in the shell, and the rotating shaft outer end is stretched out outside the housing and is connected with the rotatable parts of motorcycle; Magnet ring is equipped with in the end of rotating shaft in housing, and magnetic pole is housed on the magnet ring, and magnetic pole keeps a minim gap with the sensor circuit that is fixed in the housing; The core of sensor circuit adopts Hall circuit.The rotating shaft of this motorcycle speed sensors is easy to wear, and serviceable life is not long.
The utility model content
The purpose of this utility model is the defective that prior art exists, and a kind of motorcycle speed sensors is provided, and it is simple in structure, long service life.
For achieving the above object, the solution that the utility model is taked is: a kind of motorcycle speed sensors, it comprises circuit board, be installed in the Hall element on the circuit board, circuit board is installed in the erecting frame, erecting frame is fixed on the location-plate, the center pit of location-plate packs into the square hole axle, four blocks of permanent-magnet steels are fixed on the top of square hole axle equably, Hall element is positioned at the top of permanent-magnet steel, the lower end cover of square hole axle is installed double-screw bolt, installs between double-screw bolt and the location-plate bearing assembly is set, and bearing assembly is enclosed within square hole axle outside, the center, lower end of square hole axle has square hole, has the pulse signal delivery outlet in the erecting frame.
When rotating in the motorcycle flexible axle imports the vehicle speed sensor square hole, because four blocks of permanent-magnet steels are fixed on the top of the square hole axle (rotating shaft) at square hole place equably, so permanent-magnet steel also and then rotates.Permanent-magnet steel was handled through magnetizing, and had been divided into four equably, so when permanent-magnet steel rotates, the Hall element that is positioned at the permanent-magnet steel top will detect the variation in magnetic field so the different voltage of output amplitude.When permanent-magnet steel rotates continuously, Hall element will be exported regular continuous square-wave pulse.Owing to adopted the bearing assembly that is different from prior art, alleviated the degree of wear of square hole axle by bearing assembly, so the life-span of vehicle speed sensor be greatly improved, the life-span reaches 100,000 kilometers, running noise and thermal value also reduce greatly.
Description of drawings
Fig. 1 is a motorcycle speed sensors cross-sectional view.
Among the figure: 1, pulse signal delivery outlet, 2, Hall element, 3, permanent-magnet steel, 4, bearing assembly 5, pilot hole, 6, square hole, 7, double-screw bolt is installed, 8, location-plate, 9, erecting frame, 10, the motorcycle flexible axle, 11, circuit board, 12, the square hole axle.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1, a kind of motorcycle speed sensors, it comprises circuit board 11, be installed in the Hall element 2 on the circuit board 11, circuit board 11 is installed in the erecting frame 9, erecting frame 9 is fixed on the location-plate 8, the center pit of location-plate 8 packs into square hole axle 12, four blocks of permanent-magnet steels 3 are fixed on the top of square hole axle 12 equably, Hall element 2 is positioned at the top of permanent-magnet steel 3, the lower end cover of square hole axle 12 is installed double-screw bolt 7, installs between double-screw bolt 7 and the location-plate 8 bearing assembly 4 is set, and bearing assembly 4 is enclosed within square hole axle 12 outsides, the center, lower end of square hole axle 12 has square hole 6, has pulse signal delivery outlet 1 in the erecting frame 9.
Referring to Fig. 1, have pilot hole 5 in the described location-plate 8.
Referring to Fig. 1, described square hole 6 and motorcycle flexible axle 10 close-fittings.
Claims (2)
1, a kind of motorcycle speed sensors, it comprises circuit board (11), be installed in the Hall element (2) on the circuit board (11), it is characterized in that: circuit board (11) is installed in the erecting frame (9), erecting frame (9) is fixed on the location-plate (8), the center pit of location-plate (8) packs into square hole axle (12), four blocks of permanent-magnet steels (3) are fixed on the top of square hole axle (12) equably, Hall element (2) is positioned at the top of permanent-magnet steel (3), the lower end cover of square hole axle (12) is installed double-screw bolt (7), install between double-screw bolt (7) and the location-plate (8) bearing assembly (4) is set, bearing assembly (4) is enclosed within square hole axle (12) outside, the center, lower end of square hole axle (12) has square hole (6), has pulse signal delivery outlet (1) in the erecting frame (9).
2, motorcycle speed sensors according to claim 1 is characterized in that: have pilot hole (5) in the described location-plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201211907U CN201413335Y (en) | 2009-05-29 | 2009-05-29 | Motorcycle speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201211907U CN201413335Y (en) | 2009-05-29 | 2009-05-29 | Motorcycle speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413335Y true CN201413335Y (en) | 2010-02-24 |
Family
ID=41715218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201211907U Expired - Fee Related CN201413335Y (en) | 2009-05-29 | 2009-05-29 | Motorcycle speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413335Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101222A1 (en) * | 2013-12-31 | 2015-07-09 | 博世汽车部件(苏州)有限公司 | Wheel speed sensor and vehicle |
-
2009
- 2009-05-29 CN CN2009201211907U patent/CN201413335Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101222A1 (en) * | 2013-12-31 | 2015-07-09 | 博世汽车部件(苏州)有限公司 | Wheel speed sensor and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20100529 |