Metal detecting method and metal detecting system based on mobile terminal
A mobile terminal, metal detection technology, applied in radio wave measurement systems, electrical/magnetic exploration, measurement devices, etc., can solve the problems of inconvenience and equipment occupying a large space, and achieve the effect of convenient use
Inactive Publication Date: 2015-05-20
陈蔼珊
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[0004] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a metal detection method and system based on a mobile terminal, which aims to solve the problem that metal detection in the prior art requires special detection equipment, which takes up a large space and is not convenient enough The problem
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[0023] The present invention provides a method and system for prompting a bus stop plate. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] See figure 1 ,Such as figure 1 As shown, the present invention provides a metal detection method based on a mobile terminal, which includes the following steps:
[0025] S100, generating a current signal with a specific frequency through an oscillator, and detecting metal through a detection circuit;
[0026] S200. When metal is detected, the detection circuit changes the frequency of the current signal, and converts the current signal into a voltage signal through a converter;
[0027] S300. The frequency meter displays the frequency value of the current sig...
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The invention discloses a metal detecting method and a metal detecting system based on a mobile terminal, wherein the method comprises the following steps: A, generating a current signal with special frequency through an oscillator, and detecting the metal through a detecting circuit; B, while detecting the metal, changing frequency of the current signal through the detecting circuit, and converting the current signal into a voltage signal through a converter; C, displaying a frequency value of the current signal according to the voltage signal through a frequency meter, and sending the frequency value to a display interface of the mobile terminal to display. According to the metal detecting method, a metal detecting function and the mobile terminal are combined, so that a user can detect through the metal detecting function of the mobile terminal at any time while picking food or searching for metal objects, and the use by the user is greatly convenient.
Description
technical field [0001] The invention relates to the field of public facilities, in particular to a metal detection method and system based on a mobile terminal. Background technique [0002] Metal detectors use the principle of electromagnetic induction to generate rapidly changing magnetic fields through coils with alternating current, which can induce eddy currents inside metal objects. The eddy current will generate a magnetic field, which in turn affects the original magnetic field and causes the detector to beep. Therefore, the existing technology still needs to be improved and developed. In the prior art, a metal detector is a special device for detecting metal, which is not popular and is inconvenient for users to carry. [0003] Therefore, prior art still needs to be improved. Contents of the invention [0004] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a metal detection method and system based on a mobi...
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IPC IPC(8): G01V3/00
Inventor 陈蔼珊
Owner 陈蔼珊