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Reversing radar device that can reduce electromagnetic radiation

A technology of reversing radar and electromagnetic radiation, which is applied in the directions of measuring devices, utilization of re-radiation, and re-radiation of sound waves.

Active Publication Date: 2017-08-11
COLIGEN CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a kind of reversing radar device that can reduce electromagnetic radiation, to solve the defective of existing reversing radar device

Method used

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  • Reversing radar device that can reduce electromagnetic radiation
  • Reversing radar device that can reduce electromagnetic radiation
  • Reversing radar device that can reduce electromagnetic radiation

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Embodiment Construction

[0035] The technical means adopted by the present invention to achieve the intended invention purpose are further described below in conjunction with the drawings and preferred embodiments of the present invention.

[0036] see figure 1 As shown, the first preferred embodiment of the reversing radar device that can reduce electromagnetic radiation in the present invention is used to be installed on a vehicle and has a main control module 10, a plurality of ultrasonic modules 20 and a low-voltage signal transmission circuit 30; In this preferred embodiment, four ultrasonic modules 20 are used.

[0037] The main control module 10 has four drive signal output terminals and four sensing signal input terminals, wherein the main control module 10 has an output mode and an input mode. Each ultrasonic module 20 has an output mode and an input mode. The low-voltage signal transmission circuit 30 has four signal lines 31 , four sets of first buck-boost units 40 and four sets of secon...

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Abstract

The invention provides a backing radar device with reduced electromagnetic radiation. The backing radar device includes a master control module, a plurality of ultrasonic modules and a low-voltage signal transmission circuit. The master control module is connected to the ultrasonic modules through the low-voltage signal transmission circuit. The low-voltage signal transmission circuit performs voltage decrease on signals output by the master control module and the ultrasonic modules and then the signals are transmitted on the low-voltage transmission circuit in a low-voltage form, so that the voltage difference between two ends of the low voltage signal transmission circuit is reduced for prohibiting electromagnetic radiation.

Description

technical field [0001] The invention relates to a parking radar device, in particular to a parking radar device capable of reducing electromagnetic radiation. Background technique [0002] With the advancement of industrial technology and the popularization of electronic technology applications, most cars are equipped with reversing radar devices. The reversing radar device provides information on obstacles behind the car to the driver by emitting and receiving ultrasonic waves to assist them in successfully reversing. and parking action. [0003] In order to complete distance detection and alarm, an existing parking radar device has a main control module and a plurality of ultrasonic sensors, wherein the main control module and the ultrasonic sensors are respectively coupled by cables. When it is necessary to detect obstacles, the main control module drives each ultrasonic sensor to emit an ultrasonic wave with a frequency between 40KHz and 60KHz. When the ultrasonic wave ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S15/93G01S7/534
CPCG01S15/931
Inventor 张晋诚周永权
Owner COLIGEN CHINA