Sensor device for sensing neutral and reverse gear
A sensor device and sensor technology, applied in the direction of transmission control, toothed components, belts/chains/gears, etc., can solve problems such as blind spots in measurement, design feasibility and manufacturing errors, and poor measurement accuracy
Active Publication Date: 2019-03-19
TYCO ELECTRONICS (SHANGHAI) CO LTD
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Problems solved by technology
[0003] Electronic sensing devices have been used to sense the rotation of the rotating shaft and the linear movement (to determine the reverse gear and neutral gear). However, the proposed electronic sensing device will also face reasons such as design feasibility and manufacturing errors, resulting in Blind areas in measurement and poor measurement accuracy
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[0025] Various embodiments of the invention will be described below with reference to the accompanying drawings, which form a part hereof. It should be understood that although directional terms such as "front", "rear", "upper", "lower", "left", "right", etc. are used herein to describe various exemplary structural parts of the invention and elements, but these terms are used herein for explanatory purposes only, based on the example orientations shown in the figures. Since the disclosed embodiments of the present invention may be arranged in different orientations, these directional terms are for illustration only and should not be viewed as limiting. Where possible, the same or similar reference numerals used in the present invention refer to the same components.
[0026] figure 1 It is a structural schematic diagram of the sensor device of the present invention applied on the shift shaft (101).
[0027] Such as figure 1 As shown, the present invention is applicable to a...
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The invention discloses a sensor device for sensing a neutral gear and a reverse gear. The sensor device comprises a neutral gear magnet (103) and a reverse gear magnet (104) arranged on a gear shifting shaft (101), a neutral gear sensor (105), a reverse gear sensor (106) and a judging device (606); the neutral gear magnet (103), the reverse gear magnet (104), the neutral gear sensor (105) and the reverse gear sensor (106) are arranged to generate one part of overlapped area (310) between a neutral gear section (204) and a reverse gear section (202); in the overlapped area (310), the neutral gear sensor (105) and the reverse gear sensor (106) respectively generate a neutral gear signal and a reverse gear signal; and the judging device (606) judges one of the neutral gear signal and the reverse gear signal as an effective signal, so that blind areas in sensing sections of the neutral gear sensor (105) and the reverse gear sensor (106) are eliminated.
Description
technical field [0001] The invention relates to a sensing device, in particular to a sensor for sensing the positions of neutral gear and reverse gear of an automobile gearbox. Background technique [0002] The use of position sensing devices to detect the position of an automotive gearbox shaft is known in the industry. [0003] Electronic sensing devices have been used to sense the rotation of the rotating shaft and the linear movement (to determine the reverse gear and neutral gear) gear position. However, the proposed electronic sensing device will also face reasons such as design feasibility and manufacturing errors, resulting in There are defects in measurement blind spots and poor measurement accuracy. [0004] Therefore, it is necessary to provide a position sensing device that overcomes the defects and deficiencies of existing position sensing devices in detecting the neutral and reverse positions of the rotating shaft. Contents of the invention [0005] The pre...
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IPC IPC(8): F16H63/42
Inventor 方华斌赵运华林斐
Owner TYCO ELECTRONICS (SHANGHAI) CO LTD