CN105549111A - Handheld metal locator based on pressure induction - Google Patents
Handheld metal locator based on pressure induction Download PDFInfo
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- CN105549111A CN105549111A CN201510947751.9A CN201510947751A CN105549111A CN 105549111 A CN105549111 A CN 105549111A CN 201510947751 A CN201510947751 A CN 201510947751A CN 105549111 A CN105549111 A CN 105549111A
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- module
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- pressure
- metal detector
- handheld
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention discloses a handheld metal locator based on pressure induction. The handheld metal locator comprises a power supply module, a detection module, an oscillation module, a control module, a voice alarm module, a pressure sensing module, an analog to digital conversion module, a relay driving module and a relay, wherein the pressure sensing module detects the pressure at the handheld end to obtain an analog signal, the analog to digital conversion module converts the analog signal to a digital signal, the control module generates a first control signal according to the digital signal, the relay driving module converts the first control signal into a driving signal and outputs the driving signal, the relay is opened/closed according to the driving signal, the detection module detects a metal object to obtain a signal, the oscillation module obtains an oscillation signal, the control module further generates and outputs a second control signal, and the voice alarm module is used for voice broadcast. According to the invention, the detection module is prevented from being in the working state always, energy is saved, and power supply is controlled effectively.
Description
Technical field
The present invention relates to a kind of Handheld metal detector based on pressure sensitive, belong to the technical field of metal detection.
Background technology
Metal detecting device is the metal detector that a high-performance aims at security protection design.Compared with conventional detectors: the particular design of detecting area workplace, detection area is large, sweep velocity is fast, sensitivity is high.Shell adopts ABS engineering plastics once to cast, and anti-shot ability is strong, technique is meticulous, the lightweight feature such as to be easy to carry.The detectable metal object being hidden in human body all kinds with it, comprises jewellery, appliance component etc.Be adapted at airport, customs, harbour, bank, building, prison, stadium, hospital, the places such as school use.
This product uses large scale integrated circuit, can adapted 9V rechargeable battery (apolegamy part) completely, and low-voltage indicates, and LED lamplight song is reported to the police and vibration alarming, is widely used instrument in the illegal article of inspection.
Metal detector can be divided into following several because of the difference of its function and market application: channel-type metal detector, Handheld metal detector, potable metal detector, desk-top metal detector, industrial metal detector and metal detector under water.Wherein channel-type metal detector and Handheld metal detector are often used as rays safety detection apparatus, industrial metal detector and under water metal detector are used in specific area separately, the application of potable metal detector and desk-top metal detector is then wider, such as be arranged in waste recovery box and differentiate recoverable metal rubbish, be applied to factory floor and detect hardware whether neglected loading etc.
Although metal detecting device is used widely in detection, it is Shortcomings still.If application number is 201520086919.7, the applying date is in the file of 2015-02-09, disclose " a kind of metal detector, comprise shovel head, connecting link, metal detector, connecting link is fixedly connected with by screw with holding between handle, be connected by expansion link between connecting link with shovel head, shovel head is fixedly connected with between expansion link, several rivet hole is offered in connecting link side, rivet interlacement is passed through between expansion link and connecting link, metal detector is connected with expansion link and connecting link by clamping device, clamping device cross section is U-shaped, clamping device and connecting link connecting portion are provided with holds end clamping part, hold end clamping part to offer and hold end clamping part opening, clamping device and expansion link connecting portion are provided with detector clamping part, detector clamping part is provided with detector clamping part opening, switch is arranged at metal detector top, and metal detector is fixed on expansion link by detector clamping part.The utility model has following advantage: can be excavated by the metal detected fast and accurately, saves manpower, and structure is simple, is easy to make ".
And be 201020626532.3 at other one section of application number, the applying date is in the file of 2010-11-25, disclose " a kind of metal detector that can read RFID label tag; plant the metal detector that can read RFID label tag; comprise the enclosures of frame, travelling belt and ring enclosed; described frame is for supporting described travelling belt; described enclosures is arranged in described frame around described travelling belt; described enclosures comprises the crossbeam be positioned at above described travelling belt, it is characterized in that, described metal detector is also provided with rfid interrogator main frame and antenna.By the metal detector of prior art and rfid interrogator are wholely set, achieve to clothes carry out metal detection step and to RFID label tag read step synchronously carry out, not only save the space that production equipment takies, and saved the production time, thus improve operating efficiency, reduce production cost "
Although above-mentioned document makes improvement to metal detector, in detection process, still Shortcomings.Existing metal detecting device is in detection, and detecting module is always in running order, causes power consumption excessive, cannot detect the pressure of user, controls the duty of detecting module, does not possess power supply control function neatly.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, a kind of Handheld metal detector based on pressure sensitive is provided, solve existing metal detecting device in detection, detecting module is always in running order, cause power consumption excessive, the pressure of user cannot be detected, control the problem of the duty of detecting module.
The present invention specifically solves the problems of the technologies described above by the following technical solutions:
A kind of Handheld metal detector based on pressure sensitive, comprise supply module, and the detecting module connected successively, oscillation module, control module and voice alarm module, also comprise pressure sensor block, analog-to-digital conversion module, relay driving module, relay; Described pressure sensor block, obtains simulating signal for detecting handheld terminal pressure; Described analog-to-digital conversion module, for converting simulating signal to digital signal; Described control module, for generating the first control signal according to digital signal; Described relay driving module, exports for converting drive singal to according to the first control signal; Described relay, for making supply module power to detecting module according to drive singal is closed; Described detecting module, obtains signal for detecting metal object; Described oscillation module, obtains oscillator signal for signal that detecting module obtains being carried out process; Described control module, also exports for generating the second control signal according to oscillator signal; Described voice alarm module, for carrying out voice broadcast according to the second control signal.
Further, as a preferred technical solution of the present invention: described pressure sensor block is made up of two pressure transducers be arranged on handheld terminal.
Further, as a preferred technical solution of the present invention: described pressure transducer adopts FC20 type pressure transducer.
Further, as a preferred technical solution of the present invention: described feed circuit adopt accumulator.
Further, as a preferred technical solution of the present invention: described control module adopts single-chip microcomputer.
The present invention adopts technique scheme, can produce following technique effect:
Handheld metal detector based on pressure sensitive of the present invention, by increasing pressure sensitive circuit, pressure sensitive module is utilized to detect handheld terminal pressure, and carry out drived control according to this signal, make relay effectively can control the power supply of supply module to detecting module, metal detector is made just to open detecting function when user touches handheld terminal, avoid detecting module always in running order, save energy consumption, add intelligently power supply control function, the power supply of metal detector can effectively be controlled.Can solve existing metal detecting device in detection, detecting module is always in running order, causes power consumption excessive, cannot detect the pressure of user, controls the problem of the duty of detecting module.
Accompanying drawing explanation
Fig. 1 is the module diagram of the Handheld metal detector based on pressure sensitive of the present invention.
Embodiment
Below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises a kind of Handheld metal detector based on pressure sensitive, comprise supply module, and the detecting module connected successively, oscillation module, control module and voice alarm module, under normality, supply module provides electric energy, and on this basis, metal detector of the present invention also comprises pressure sensor block, analog-to-digital conversion module, relay driving module, relay; The output terminal of described pressure sensor block is connected with the input end of analog-to-digital conversion module, the output terminal of described analog-to-digital conversion module is connected with the input end of control module, and the output terminal of control module is connected with the input end of relay driving module, the input end of voice alarm module; The output terminal of relay driving module is connected with relay, relay connect and between supply module and detecting module; The output terminal of described detecting module is also connected with the input end of oscillation module, and the output terminal of oscillation module is also connected with the input end of control module.
The principle of this metal detector is, described pressure sensor block, obtains simulating signal for detecting handheld terminal pressure; Described analog-to-digital conversion module, for converting simulating signal to digital signal; Described control module, for generating the first control signal according to digital signal; Described relay driving module, exports for converting drive singal to according to the first control signal; Described relay, for making supply module power to detecting module according to drive singal is closed; Described detecting module, obtains signal for detecting metal object; Described oscillation module, obtains oscillator signal for signal that detecting module obtains being carried out process; Described control module, also exports for generating the second control signal according to oscillator signal; Described voice alarm module, for carrying out voice broadcast according to the second control signal.
Pressure sensitive module is utilized to detect handheld terminal pressure thus, and carry out drived control according to this signal, make relay effectively can control the power supply of supply module to detecting module, make metal detector just open detecting function when user touches handheld terminal, avoid detecting module always in running order.
In induction process, described pressure sensor block is preferably made up of two pressure transducers be arranged on handheld terminal.Two pressure transducers are arranged along the back and forth or left and right both direction of handheld terminal respectively, make it can measure pressure on not coplanar, as long as any one pressure transducer senses that signal is all over exportable.
Further, described pressure transducer can adopt FC20 type pressure transducer.This miniature pressure cell size is little, easily installs, stainless steel, strain-type technology, and analog output is suitable for the pressure survey in little space.By connecting sensor signal amplifier exportable-5 to 5V, and the standard signal of 4 to 20mA; Therefore can be effective in detector of the present invention.
And described feed circuit adopt accumulator.Utilize accumulator to carry out direct current supply, utilize the electric energy stored, make metal detector can continued power, and charge in time when electricity exhausts.
For detector, described control module adopts single-chip microcomputer, as AT89S51 type single-chip microcomputer, is a kind of low-voltage, high-performance CMOS microprocessor of 16 bit with 4K byte FLASH memory.The erasable read-only memory of single-chip microcomputer can wipe 1000 times repeatedly.Owing to being combined in one single chip by multi-functional 16 bit CPUs and flash memory, become a kind of efficient microcontroller, for a lot of embedded control system provides the high and inexpensive scheme of a kind of dirigibility.Possess online programming function, maximum operation frequency is 33M hertz, possesses computing velocity quickly, and by duplexing UART serial-port, therefore, can perform well among the present invention.
To sum up, Handheld metal detector based on pressure sensitive of the present invention, metal detector is made just to open detecting function when user touches handheld terminal, avoid detecting module always in running order, save energy consumption, add intelligently power supply control function, the power supply of metal detector can effectively be controlled.Can solve existing metal detecting device in detection, detecting module is always in running order, causes power consumption excessive, cannot detect the pressure of user, controls the problem of the duty of detecting module.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. the Handheld metal detector based on pressure sensitive, comprise supply module, and the detecting module connected successively, oscillation module, control module and voice alarm module, it is characterized in that: also comprise pressure sensor block, analog-to-digital conversion module, relay driving module, relay; Described pressure sensor block, obtains simulating signal for detecting handheld terminal pressure; Described analog-to-digital conversion module, for converting simulating signal to digital signal; Described control module, for generating the first control signal according to digital signal; Described relay driving module, exports for converting drive singal to according to the first control signal; Described relay, for making supply module power to detecting module according to drive singal is closed; Described detecting module, obtains signal for detecting metal object; Described oscillation module, obtains oscillator signal for signal that detecting module obtains being carried out process; Described control module, also exports for generating the second control signal according to oscillator signal; Described voice alarm module, for carrying out voice broadcast according to the second control signal.
2. according to claim 1 based on the Handheld metal detector of pressure sensitive, it is characterized in that: described pressure sensor block is made up of two pressure transducers be arranged on handheld terminal.
3. according to claim 2 based on the Handheld metal detector of pressure sensitive, it is characterized in that: described pressure transducer adopts FC20 type pressure transducer.
4. according to claim 1 based on the Handheld metal detector of pressure sensitive, it is characterized in that: described feed circuit adopt accumulator.
5. according to claim 1 based on the Handheld metal detector of pressure sensitive, it is characterized in that: described control module adopts single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947751.9A CN105549111A (en) | 2015-12-17 | 2015-12-17 | Handheld metal locator based on pressure induction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947751.9A CN105549111A (en) | 2015-12-17 | 2015-12-17 | Handheld metal locator based on pressure induction |
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| CN105549111A true CN105549111A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510947751.9A Pending CN105549111A (en) | 2015-12-17 | 2015-12-17 | Handheld metal locator based on pressure induction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765631A (en) * | 2019-03-08 | 2019-05-17 | 山东雷诚电子科技有限公司 | A kind of sole metal detecting device for millimeter wave rays safety detection apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634720A (en) * | 2008-07-25 | 2010-01-27 | 鸿富锦精密工业（深圳）有限公司 | Metal detecting device and method |
| KR20120028280A (en) * | 2010-09-14 | 2012-03-22 | 콤팔 일렉트로닉스 인코포레이션 | Electronic device and control method thereof |
| CN102402320A (en) * | 2010-09-10 | 2012-04-04 | 中国移动通信有限公司 | Control method for handheld terminal and handheld terminal |
| CN202494785U (en) * | 2012-03-22 | 2012-10-17 | 成都措普科技有限公司 | Metal detector |
| CN203849427U (en) * | 2014-03-11 | 2014-09-24 | 河北省电力建设调整试验所 | Magnetic metal detector |
-
2015
- 2015-12-17 CN CN201510947751.9A patent/CN105549111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634720A (en) * | 2008-07-25 | 2010-01-27 | 鸿富锦精密工业（深圳）有限公司 | Metal detecting device and method |
| CN102402320A (en) * | 2010-09-10 | 2012-04-04 | 中国移动通信有限公司 | Control method for handheld terminal and handheld terminal |
| KR20120028280A (en) * | 2010-09-14 | 2012-03-22 | 콤팔 일렉트로닉스 인코포레이션 | Electronic device and control method thereof |
| CN202494785U (en) * | 2012-03-22 | 2012-10-17 | 成都措普科技有限公司 | Metal detector |
| CN203849427U (en) * | 2014-03-11 | 2014-09-24 | 河北省电力建设调整试验所 | Magnetic metal detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765631A (en) * | 2019-03-08 | 2019-05-17 | 山东雷诚电子科技有限公司 | A kind of sole metal detecting device for millimeter wave rays safety detection apparatus |
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Application publication date: 20160504 |