Vehicle door handle device

A technology for car door handles and door handles, which is applied in the direction of leaf handles, leaf handles, vehicle locks, etc., and can solve the problems of reducing the detection sensitivity of capacitive sensors and being impractical

Inactive Publication Date: 2005-10-05
HONDA LOCK MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is impractical to make a universal sensor unit suitable for various door handles of different designs
In particular, if any gap is formed between the sensor unit and the inner wall of the door handle cavity, it means that an air layer with a low dielectric coefficient is interposed between the user-contacted surface and the detection electrode, and this reduces the capacitance Sensitivity of the sensor

Method used

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  • Vehicle door handle device
  • Vehicle door handle device
  • Vehicle door handle device

Examples

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Embodiment Construction

[0028] Figure 1 to Figure 3 The general structure of the door handle device embodying the present invention is shown. The door handle device 1 is connected to the outer surface of the door outer panel 2 of the side door of the vehicle through the handle base 3 fixedly connected to the inner surface of the door outer panel 2, and the door handle device 1 includes a Door handle 4 and the key barrel 5 that is located at the door handle 4 rear ends.

[0029] The door handle 4 comprises: a main body 6 made of plastic material; a lower cover 7 made of plastic material and plated with metal; a sensor unit 8 comprising a circuit board insert molded in the plastic member for detecting changes in capacitance; and a locking element 9 for holding the sensor unit 8 in the main body 6 . If desired, the lower cover 7 may be entirely made of metallic material or the door handle main body 6 may be plated with metal.

[0030] The door handle 4 includes a handle portion 10 , a hinge portion ...

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PUM

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Abstract

A capacitive sensor unit of a door handle device is universally adaptable to door handles of various different designs. The vehicle door handle device, having an electrostatic capacitance detection circuit incorporated in a grip portion thereof, includes a sensor unit having a detection circuit insert molded in a plastic member, a hollow cavity formed in the grip portion to receive the sensor unit, and a retaining member made of plastic material for retaining the sensor unit in the cavity. By suitably changing the shape of the retaining member, the sensor unit can be adapted to door handles of different designs.

Description

technical field [0001] The present invention relates to a vehicle door handle device, and more particularly, to a vehicle door handle device incorporating a capacitive sensor for determining a user's intention to lock or unlock a vehicle door. Background technique [0002] The so-called smart entry system has actually already been used in the doors. According to the smart entry system, when the capacitive sensor installed in the door handle detects that the user touches the door handle in an attempt to open the door, ID code matching is performed between the card key carried by the user and the vehicle control unit , and the door can be unlocked only when a matching ID code is detected. [0003] In the known door handle device used in the smart entry system, a circuit board for detecting changes in electrostatic capacity is incorporated in a door handle that a user holds when he / she tries to open a vehicle door. Such a door handle arrangement is disclosed, for example, in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B17/10E05B65/20
CPCE05B85/16E05B17/10E05B81/77E05B85/01
Inventor 仁田胁政胜河野仁志
Owner HONDA LOCK MFG CO LTD
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