CN104749639A - Metal object detection positioner - Google Patents
Metal object detection positioner Download PDFInfo
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- CN104749639A CN104749639A CN201510013563.9A CN201510013563A CN104749639A CN 104749639 A CN104749639 A CN 104749639A CN 201510013563 A CN201510013563 A CN 201510013563A CN 104749639 A CN104749639 A CN 104749639A
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Abstract
A metal object detection positioner is characterized by comprising a power module, a planar scanning module, a MCU module, a keyboard module and a motor, wherein the power module is connected with the planar scanning module, the MCU module and the motor and provides working voltage for all modules. The planar scanning module is connected with the MCU module through an SPI interface and provides various detected signals for the MCU module. The MCU module is connected with the motor, performs corresponding processing on the various signals detected by the planar scanning module and controls motion of the motor. The metal object detection positioner has the advantages that a directly-exposed metal object can be directly detected, a covered metal object can be further detected, and the metal object detection positioner is simple in structure and high in performance cost ratio and uses few electric appliance elements.
Description
Technical field
The present invention relates to locating device field, especially a kind of metal object probe positioners.
Background technology
Metal detector is the instrument being used for detecting metal specially, is widely used in the fields such as commercial production, safety check, amusement.The detectable directly exposed metal object of metal detector of the prior art, but general structure is complicated, use electric elements many, and cost performance is lower.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of metal object probe positioners, comprising power module, plane scanning module, MCU module, Keysheet module, motor; Power module is touched with flat scanning, MCU module is connected with motor, for modules provides operating voltage; Plane scanning module is connected with MCU module by SPI interface, for MCU module provides the various signals detected; MCU module is connected with motor, and the various signals detected by plane scanning module process accordingly, controls the motion of motor.
Preferably, the matrix keyboard that Keysheet module adopts general MSP430 microcomputer development plate to carry, arranges interruption pin; MCU adopts MSP430 single-chip microcomputer; KEY is that two function buttons on MSP430 are used for starter motor detection metal.LCD is that the lantern festival flash for prompting detected on metal M SP430 detects metal.
Preferably, plane scanning module adopts LDC1000.4th pin of LDC1000 connects ground connection after the first electric capacity C1, and the second electric capacity C2 is in parallel with the first electric capacity C1, a termination voltage VIO, another one point earth; 12 pin of LDC1000 connects ground connection after the 3rd electric capacity C3, and the 4th electric capacity C4 is in parallel with the 3rd electric capacity C3; Tenth three-prong of LDC1000 connects ground connection after the 6th electric capacity C6; The 8th pin of LDC1000 is connect, composition loop after 7th pin connection the 5th electric capacity C5 of LDC1000.
Preferably, MCU and LDC1000 adopts four-wire system SPI connected mode, is realized the control of LDC1000 and the reading of data by SDI, SDO, SCLK, CSB tetra-pins.In SPI communication process, LDC1000 plays the part of the role from machine.
Beneficial effect of the present invention is: not only can the directly exposed metal object of direct detection, and can also detect capped metal object, structure is simple, and use electric elements less, cost performance is high.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention.
Fig. 2 is the circuit theory diagrams of plane scanning module of the present invention.
Fig. 3 is the catenation principle figure of plane scanning module of the present invention and MCU module.
Fig. 4 is motor circuit schematic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of metal object probe positioners, comprises power module, plane scanning module, MCU module, Keysheet module, motor; Power module is touched with flat scanning, MCU module is connected with motor, for modules provides operating voltage; Plane scanning module is connected with MCU module by SPI interface, for MCU module provides the various signals detected; MCU module is connected with motor, and the various signals detected by plane scanning module process accordingly, controls the motion of motor.
Power module adopts input 240V, output 30V, maximum current 3A power to circuit.The matrix keyboard that Keysheet module adopts general MSP430 microcomputer development plate to carry, arrange interruption pin, saving resource is to process other data.MCU adopts MSP430 single-chip microcomputer, and have super low-power consumption, powerful processing power and high performance analog technology, working stability, easily operates.Motor adopts stepper motor, is opened loop control element electric impulse signal being changed into angular displacement or displacement of the lines.When non-overload, the rotating speed of motor, the position of stopping only depending on frequency and the umber of pulse of pulse signal, and not by the impact of load change, namely add a pulse signal to motor, motor then turns over a step angle.It can rotate, and runs step by step with fixing angle; Pilot angle displacement can be carried out by gating pulse number, thus reach the object of accurately location, speed and the acceleration of electric machine rotation can be controlled simultaneously by gating pulse frequency, thus reach object at a high speed.
KEY is that two function buttons on MSP430 are used for starter motor detection metal.LCD is that the lantern festival flash for prompting detected on metal M SP430 detects metal.
As shown in Figure 2, plane scanning module adopts LDC1000, is that first inductance of the world is to digital quantizer.The solution of low-power, small package, low cost is provided.The SPI interface of LDC1000 can connect MCU very easily, only needs an external PCB coil or self-control coil just can realize contactless inductance detection.4th pin of LDC1000 connects ground connection after the first electric capacity C1, and the second electric capacity C2 is in parallel with the first electric capacity C1, a termination voltage VIO, another one point earth; 12 pin of LDC1000 connects ground connection after the 3rd electric capacity C3, and the 4th electric capacity C4 is in parallel with the 3rd electric capacity C3; Tenth three-prong of LDC1000 connects ground connection after the 6th electric capacity C6; The 8th pin of LDC1000 is connect, composition loop after 7th pin connection the 5th electric capacity C5 of LDC1000.
As shown in Figure 3, MCU and LDC1000 adopts four-wire system SPI connected mode, is realized the control of LDC1000 and the reading of data by SDI, SDO, SCLK, CSB tetra-pins.In SPI communication process, LDC1000 plays the part of the role from machine.
As shown in Figure 4, be the circuit theory diagrams of motor.Wherein, " EN-, EN+ " is enable input end, does not generally use this function, so this port is unsettled; " DIR-" connects controller " direction-", " DIR+ " connects the positive pole of controller power source, " PUL-" connects controller " pulse ", " PUL+ " connects the positive pole of controller power source, first resistance R1 and the second resistance R2 is current-limiting resistance, and when controller voltage equals 5V, the first resistance R1 and the second resistance R2 need not connect, and when controller voltage equals 12V, the first resistance R1 and the second resistance R2 is 1K, when controller voltage equals 24V, the first resistance R1 and the second resistance R2 is 2K, and external potentiometer connects 1 pin and 2 pin.Empty 5 switches of 3 pin can replace input port with various sensor, Low level effective, K1 starting switch, K2 shutdown switch, K3 reversion is spacing, and K4 rotates forward spacing, K5 initial point is spacing, if driving power voltage is less than 32V controller and drives can share a power supply.
Although the present invention illustrates with regard to preferred implementation and describes, only it will be understood by those of skill in the art that otherwise exceed claim limited range of the present invention, variations and modifications can be carried out to the present invention.
Claims (5)
1. a metal object probe positioners, is characterized in that, comprises power module, plane scanning module, MCU module, Keysheet module, motor; Power module is connected with motor with plane scanning module, MCU module, for modules provides operating voltage; Plane scanning module is connected with MCU module by SPI interface, for MCU module provides the various signals detected; MCU module is connected with motor, and the various signals detected by plane scanning module process accordingly, controls the motion of motor.
2. steady arm as claimed in claim 1, is characterized in that, plane scanning module adopts LDC1000.
3. steady arm as claimed in claim 1, is characterized in that, MCU module adopts MSP430 single-chip microcomputer; The matrix keyboard that Keysheet module adopts general MSP430 microcomputer development plate to carry, arranges interruption pin; KEY is that two function buttons on MSP430 are used for starter motor detection metal; LCD is that the lantern festival flash for prompting detected on metal M SP430 detects metal.
4. steady arm as claimed in claim 2, is characterized in that, the 4th pin of LDC1000 connects ground connection after the first electric capacity C1, and the second electric capacity C2 is in parallel with the first electric capacity C1, a termination voltage VIO, another one point earth; 12 pin of LDC1000 connects ground connection after the 3rd electric capacity C3, and the 4th electric capacity C4 is in parallel with the 3rd electric capacity C3; Tenth three-prong of LDC1000 connects ground connection after the 6th electric capacity C6; The 8th pin of LDC1000 is connect, composition loop after 7th pin connection the 5th electric capacity C5 of LDC1000.
5. steady arm as claimed in claim 2, it is characterized in that, MCU module and LDC1000 adopt four-wire system SPI connected mode, are realized the control of LDC1000 and the reading of data by SDI, SDO, SCLK, CSB tetra-pins; In SPI communication process, LDC1000 plays the part of the role from machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013563.9A CN104749639A (en) | 2015-01-12 | 2015-01-12 | Metal object detection positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013563.9A CN104749639A (en) | 2015-01-12 | 2015-01-12 | Metal object detection positioner |
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| Publication Number | Publication Date |
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| CN104749639A true CN104749639A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510013563.9A Pending CN104749639A (en) | 2015-01-12 | 2015-01-12 | Metal object detection positioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155060A (en) * | 2016-08-17 | 2016-11-23 | 合肥耀贝软件开发有限公司 | Metal object detecting and locating system |
| WO2019178861A1 (en) * | 2018-03-23 | 2019-09-26 | 深圳瀚飞科技开发有限公司 | Novel metal detector |
| US11337619B2 (en) | 2016-08-02 | 2022-05-24 | Koninklije Philips N.V. | Detection of metal artifacts in patients eyes prior to MRI examinations |
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| WO2014165659A2 (en) * | 2013-04-03 | 2014-10-09 | University Of Massachusetts | An electrochemical tongue |
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| WO2014165659A2 (en) * | 2013-04-03 | 2014-10-09 | University Of Massachusetts | An electrochemical tongue |
| CN203848978U (en) * | 2014-06-03 | 2014-09-24 | 北华航天工业学院 | Detection sensor system for orbit of shaft center |
| CN204405860U (en) * | 2015-01-12 | 2015-06-17 | 金陵科技学院 | A kind of metal object probe positioners |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11337619B2 (en) | 2016-08-02 | 2022-05-24 | Koninklije Philips N.V. | Detection of metal artifacts in patients eyes prior to MRI examinations |
| CN106155060A (en) * | 2016-08-17 | 2016-11-23 | 合肥耀贝软件开发有限公司 | Metal object detecting and locating system |
| WO2019178861A1 (en) * | 2018-03-23 | 2019-09-26 | 深圳瀚飞科技开发有限公司 | Novel metal detector |
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Application publication date: 20150701 |
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