CN104635271A - Metal detecting method and metal detecting system based on mobile terminal - Google Patents
Metal detecting method and metal detecting system based on mobile terminal Download PDFInfo
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- CN104635271A CN104635271A CN201510112876.XA CN201510112876A CN104635271A CN 104635271 A CN104635271 A CN 104635271A CN 201510112876 A CN201510112876 A CN 201510112876A CN 104635271 A CN104635271 A CN 104635271A
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Abstract
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
The present invention relates to communal facility field, particularly relate to a kind of metal probing method based on mobile terminal and system.
Background technology
Metal detector is the principle utilizing electromagnetic induction, utilizes the coil having alternating current to pass through, produces vertiginous magnetic field, can to induct vortex flow at metal object within this magnetic field.Vortex flow can produce magnetic field again, turns the magnetic field that impact is original around, and cause detector and send song therefore, prior art has yet to be improved and developed.In prior art, metal detector is all the equipment of a dedicated probe metal, and it can not be popularized, and user carries inconvenience.
Therefore, prior art needs to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of metal probing method based on mobile terminal and system, be intended to solve metal detection in prior art and need special detecting devices, its equipment occupation space is large, and inadequate problem easily.
Technical scheme of the present invention is as follows:
Based on a metal probing method for mobile terminal, wherein, comprise the following steps:
A, to be produced by oscillator there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
B, when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
C, frequency meter show the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows.
The described metal probing method based on mobile terminal, wherein, described characteristic frequency refers to 100kHz-800kHz.
The described metal probing method based on mobile terminal, wherein, described oscillator, detection circuit, converter and frequency meter are all arranged on mobile terminals.
The described metal probing method based on mobile terminal, also comprises after step c:
D, mobile terminal carry out jingle bell alarm according to described frequency values.
Based on a metal detecting system for mobile terminal, wherein, described system comprises:
Detection metal module, for being produced by oscillator, there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
Switching signal module, for when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
Frequency display module, show the frequency values of described current signal according to voltage signal for frequency meter, and display interface frequency values being sent to mobile terminal shows.
The described metal detecting system based on mobile terminal, wherein, described system also comprises:
Jingle bell alarm module, for carrying out jingle bell alarm according to described frequency values.
Beneficial effect: a kind of metal probing method based on mobile terminal of the present invention and system, it is provided with the module for metal detection on mobile terminals, the current signal with characteristic frequency is produced by oscillator, and by detection circuit, metal is detected, when metal being detected, detection circuit changes the frequency of current signal, and convert described current signal to a voltage signal by a converter, frequency meter shows the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows, achieve and metal detection function is combined with mobile terminal, user can be detected by the metal detection function on mobile terminal at any time when selecting food or search metal, be very easy to user to use.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the metal probing method based on mobile terminal of the present invention.
Fig. 2 is the module map of the metal detecting system based on mobile terminal of the present invention.
Embodiment
The invention provides a kind of bus stop board reminding method and system, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, as shown in Figure 1, the invention provides a kind of metal probing method based on mobile terminal, it comprises the following steps:
S100, to be produced by oscillator there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
S200, when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
S300, frequency meter show the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows.
A kind of metal probing method based on mobile terminal of the present invention and system, it is provided with the module for metal detection on mobile terminals, the current signal with characteristic frequency is produced by oscillator, and by detection circuit, metal is detected, when metal being detected, detection circuit changes the frequency of current signal, and convert described current signal to a voltage signal by a converter, frequency meter shows the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows, achieve and metal detection function is combined with mobile terminal, user can be detected by the metal detection function on mobile terminal at any time when selecting food or search metal, be very easy to user to use.
Specifically, characteristic frequency of the present invention refers to 100kHz-800kHz, in this frequency range, effectively metal can be detected.
In preferred embodiment, oscillator of the present invention, detection circuit, converter and frequency meter are all arranged on mobile terminals.Technical solution of the present invention is that the mobile terminal generally all had based on user carries out improving, and the hardware installations such as oscillator, detection circuit, converter and frequency meter on mobile terminal, make described mobile terminal have metal-detecting function by it.Further, described mobile terminal comprises one or more in mobile phone, notebook computer, panel computer.
Preferably, also comprise after step S300:
S400, mobile terminal carry out jingle bell alarm according to described frequency values.
In addition, refer to Fig. 2, the present invention also provides a kind of metal detecting system based on mobile terminal, and it comprises:
Detection metal module 100, for being produced by oscillator, there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
Switching signal module 200, for when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
Frequency display module 300, show the frequency values of described current signal according to voltage signal for frequency meter, and display interface frequency values being sent to mobile terminal shows.
Further, described system also comprises:
Jingle bell alarm module, for carrying out jingle bell alarm according to described frequency values.
The specific implementation step of system module of the present invention is consistent with said method, refers to said method, does not repeat them here.
In sum, a kind of metal probing method based on mobile terminal of the present invention and system, it is provided with the module for metal detection on mobile terminals, the current signal with characteristic frequency is produced by oscillator, and by detection circuit, metal is detected, when metal being detected, detection circuit changes the frequency of current signal, and convert described current signal to a voltage signal by a converter, frequency meter shows the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows, achieve and metal detection function is combined with mobile terminal, user can be detected by the metal detection function on mobile terminal at any time when selecting food or search metal, be very easy to user to use.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (6)
1. based on a metal probing method for mobile terminal, it is characterized in that, comprise the following steps:
A, to be produced by oscillator there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
B, when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
C, frequency meter show the frequency values of described current signal according to voltage signal, and display interface frequency values being sent to mobile terminal shows.
2. according to claim 1 based on the metal probing method of mobile terminal, it is characterized in that, described characteristic frequency refers to 100kHz-800kHz.
3. according to claim 1 based on the metal probing method of mobile terminal, it is characterized in that, described oscillator, detection circuit, converter and frequency meter are all arranged on mobile terminals.
4., according to claim 1 based on the metal probing method of mobile terminal, it is characterized in that, also comprise after step c:
D, mobile terminal carry out jingle bell alarm according to described frequency values.
5. based on a metal detecting system for mobile terminal, it is characterized in that, described system comprises:
Detection metal module, for being produced by oscillator, there is the current signal of characteristic frequency, and by detection circuit, metal is detected;
Switching signal module, for when metal being detected, detection circuit changes the frequency of current signal, and converts described current signal to a voltage signal by a converter;
Frequency display module, show the frequency values of described current signal according to voltage signal for frequency meter, and display interface frequency values being sent to mobile terminal shows.
6. according to claim 5 based on the metal detecting system of mobile terminal, it is characterized in that, described system also comprises:
Jingle bell alarm module, for carrying out jingle bell alarm according to described frequency values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510112876.XA CN104635271A (en) | 2015-03-13 | 2015-03-13 | Metal detecting method and metal detecting system based on mobile terminal |
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| CN201510112876.XA CN104635271A (en) | 2015-03-13 | 2015-03-13 | Metal detecting method and metal detecting system based on mobile terminal |
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| CN104635271A true CN104635271A (en) | 2015-05-20 |
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| CN201510112876.XA Pending CN104635271A (en) | 2015-03-13 | 2015-03-13 | Metal detecting method and metal detecting system based on mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107741604A (en) * | 2017-08-29 | 2018-02-27 | 深圳市盛路物联通讯技术有限公司 | A kind of metal probing method and mobile terminal based on mobile terminal antenna |
| CN110161569A (en) * | 2019-06-06 | 2019-08-23 | 北京卫星环境工程研究所 | The device and method of Underground metal oxide |
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| US20140375310A1 (en) * | 2011-11-11 | 2014-12-25 | Nokia Corporation a corporation | Apparatus and a method for metal detection involving a mobile terminal with a display |
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| FR2547659A1 (en) * | 1983-06-20 | 1984-12-21 | Clausin Jacques | Detectors for metal objects, indicating: distance, size and material |
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| CN201237577Y (en) * | 2008-03-21 | 2009-05-13 | 中国科学技术大学 | LC oscillation form industrial metal detector using period detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107741604A (en) * | 2017-08-29 | 2018-02-27 | 深圳市盛路物联通讯技术有限公司 | A kind of metal probing method and mobile terminal based on mobile terminal antenna |
| CN110161569A (en) * | 2019-06-06 | 2019-08-23 | 北京卫星环境工程研究所 | The device and method of Underground metal oxide |
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