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A switch and magnetic switch technology, applied in the field of magnetic switches, can solve problems such as bad brake pedals

Active Publication Date: 2020-08-11
VALEO JAPAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the iron sand contained in the sand and the like attached to the driver's shoes may be attracted by the magnetic force of the magnet and adhere to the surface of the switch. In this case, the magnetic field changes due to the attached iron sand. A malfunction occurred in the detection of pedal operation

Method used

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Experimental program
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Embodiment Construction

[0065] Embodiments of the present invention will be described below.

[0066] figure 1 It is a figure explaining the installation state of the magnetic switch 1 which outputs the signal which shows the operation of the brake pedal 2, (a) is a perspective view, (b) is a side view, (c) is the switch 1 in (a) Enlarged view of the surrounding.

[0067] figure 2 It is a figure explaining the switch 1, (a) is a sectional view around the switch 1, (b) is a sectional view along A-A in (a), and is a figure which shows the inner periphery 410 of the cylindrical part 41 of the ferrule 4 with a phantom line, (c ) is an enlarged view of region B in (a).

[0068] like figure 1 As shown, the bracket 3 fixed to the vehicle body side (not shown) has side plates 31a, 31b, and these side plates 31a, 31b are spaced apart in the width direction and arranged in parallel to each other. The brake pedal 2 is rotatably supported on the shaft member 32 of the plate 31b.

[0069] In the brake peda...

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Abstract

The present invention provides a switch in which the magnetic field of a magnet of the switch is not affected by iron sand or the like. The switch (1) is a magnetic switch (1), and the magnetic pole surface (71a) of the magnet (71) is arranged opposite to the support (23) provided on the brake pedal (2). The operation of the support (23) and the magnetic field change of the magnet (71) caused by the change of the distance is detected, and the output indicates whether there is a signal of the operation of the brake pedal (2). In the housing part (51) of the main body casing (5) of the opposite part of the bottom wall part (53), the magnetic pole surface (71a) of the magnet (71) is opposed to the support (23), and the bottom wall The part (53) is sandwiched between the two, and the protective part (9) is installed on the receiving part (51), and the protective part (9) has a predetermined thickness in the direction perpendicular to the magnetic pole surface (71a) It is made of a magnetic body, and at least the bottom wall part (53) is covered with a protective member (9).

Description

technical field [0001] The present invention relates to a magnetic switch that detects the position of an object to be detected in a non-contact manner. Background technique [0002] The magnetic switch is used to detect the position of the detection target object without contact. Compared with the conventional switch that detects the position of the detection target object by contact with the detection target object, it does not deteriorate due to contact. Furthermore, there are various application examples of various switches suitable for vehicles (for example, Patent Document 1). [0003] Patent Document 1: (Japanese) Unexamined Patent Publication No. 2012-251809 [0004] The magnetic switch for detecting the operation of the brake pedal is installed so that the magnet included in the switch faces the magnetic body attached to the brake pedal, and the magnetic switch is configured to respond to the magnetic switch activated by the operation of the brake pedal. It detect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H36/00
CPCH01H36/0073B60Q1/441B60T17/22H03K17/97H01H36/002H01H36/00H01H9/02B60T7/06H01H36/02
Inventor 岛田浩幸
Owner VALEO JAPAN CO LTD