Switching device used for controlling engine of vehicle

A switch device and engine technology, applied in the mechanical field, can solve the problems of inconvenient use and small effective range, and achieve the effect of increasing the magnetic field strength and expanding the effective coverage

Inactive Publication Date: 2013-12-04
CONTINENTAL AUTOMOTIVE (CHANGCHUN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the magnetic field strength that the coil can generate is small, the effective range of the authentication request and the transponder driving electric wave with the characteristics of the low-frequency modulation signal sent by the coil is small, so that the user must place the portable device near the driver's seat. The switching device is very close to receive the pulse transponder drive wave from the coil, which causes inconvenience in use

Method used

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  • Switching device used for controlling engine of vehicle
  • Switching device used for controlling engine of vehicle
  • Switching device used for controlling engine of vehicle

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Embodiment Construction

[0010] A switchgear for an engine of a vehicle according to an embodiment of the present invention will be described below with reference to the drawings. In the following description, numerous specific details are set forth in order to enable those skilled in the art to fully understand the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. Furthermore, it should be understood that the invention is not limited to the particular embodiments described. Instead, it is conceivable to implement the present invention in any combination of the following features and elements, regardless of whether they relate to different embodiments. Accordingly, the following aspects, features, embodiments and advantages are by way of illustration only and should not be considered elements or limitations of the claims unless explicitly stated in the claims.

[0011] FIG. 1 is a schematic b...

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PUM

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Abstract

The invention provides a switching device used for controlling an engine of a vehicle. The switching device comprises a button, a decorative ring, a slider structure, a ferrite internal pellet and a coil. The coil used for sending and receiving signals is wound around the ferrite internal pellet, so that the magnetic field intensity of the coil is increased, and the effectively covering area of the coil is enlarged; the vehicle can realize multiple functions by utilizing the same coil, so that the number of antennae is reduced, and the complexity degree and the cost of the system are reduced.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a switch device for controlling an engine of a vehicle. Background technique [0002] In recent years, in order to prevent vehicles from being stolen and for the convenience of users, portable devices capable of transmitting radio frequency signals have been used instead of conventional mechanical locks. Such portable devices are held by vehicle users. It has been proposed in the prior art to set the engine of the vehicle in a startable state by sending a radio frequency signal from a portable device. [0003] Usually, the portable device is stored in the user's clothes pocket or purse. When the button switch on the vehicle is operated to try to start the vehicle, the vehicle will send an identity verification request with low-frequency modulation signal characteristics to the portable device through the low-frequency antenna. When the battery of the portable device is working normally, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R25/20B60R25/04
Inventor 马良刘春香
Owner CONTINENTAL AUTOMOTIVE (CHANGCHUN) CO LTD
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