CN205176289U - Dolly formula metal detection locator - Google Patents
Dolly formula metal detection locator Download PDFInfo
- Publication number
- CN205176289U CN205176289U CN201520498041.8U CN201520498041U CN205176289U CN 205176289 U CN205176289 U CN 205176289U CN 201520498041 U CN201520498041 U CN 201520498041U CN 205176289 U CN205176289 U CN 205176289U
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- microcontroller
- module
- metal detection
- brush motor
- metal
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Abstract
The utility model discloses a dolly formula metal detection locator, include microcontroller, level conversion module, metal detector module, step motor driver, have brush motor drive, step motor, have the brush motor, have brush motor limit switch, acousto -optic warning module, the utility model discloses an accurate rotational speed of microcontroller control stepper motor makes the dolly can accomplish the motion task, then microcontroller control has the motion of brush motor, has the brush motor to drive metal detection module lateral shifting on the dolly and scans, detects the metal by the metal detector module at last, feeds back to microcontroller to the detected signal again, realizes that the metal detects the function that the position is confirmed to the rapidogen.
Description
Technical field
The utility model belongs to metal detection technical field, relates in particular to a kind of trolley type metal detection steady arm.
Background technology
Because the requirements of aspect to safety problem such as travelling in life, food, medicine and metallurgy are more and more higher; but often have the security threat of metallics from these aspects, to protect and the metal detector that detects becomes more and more important so design a kind of clothing, food, lodging and transportion--basic necessities of life to people.
Conventional metals probe positioners forms its probe by LC sine wave oscillation circuit, when have metal object probe near movement or through out-of-date, produce eddy current in metallic object, cause the change of oscillatory circuit sinusoidal magnitude, frequency, detect metal object whether exist by detecting this signal intensity.Traditional metal detector generally adopts Analog Circuit Design, and this design makes system there are some problems.Such as: system easily produces vibration distortion or stops the phenomenon of vibration, and interference free performance is weak, thus causes system cisco unity malfunction; Some detector measurement sensitivity is very low, can not reach request for utilization; And highly sensitive detection instrument complex structure, cost is higher, debugging, installation difficulty, is inconvenient to use.
So low, the sensitivity of design price, stability is high, antijamming capability is strong metal detector are of great immediate significance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of trolley type metal detection steady arm.
The utility model is achieved through the following technical solutions:
A kind of trolley type metal detection steady arm, comprises microcontroller, level switch module, metal detector module, stepper motor driver, brush motor driver, stepper motor, brush motor, brush motor limit switch, sound and light alarm module; Wherein, metal detector module is connected with microcontroller by level switch module, stepper motor is connected with microcontroller by stepper motor driver, brush motor is connected with microcontroller by brush motor driver, sound and light alarm module is connected with microcontroller, and brush motor limit switch is connected with microcontroller;
Described microcontroller model is MSP430f149 microcontroller.
Described metal detection module selects model to be the Tours gram proximity switch of Bi5-M18-AP6X-H1141/L70, when metal object gram switch near Tours sensitive surface and when being in the distance in sensing range, Tours gram proximity switch action.
The effect of described level switch module: due to metal detection part metal detected after the voltage signal that exports be 12V, and 3.3V during the operating voltage of microcontroller, so will utilize level switch module to become switching signal to microcontroller the voltage transitions of 12V.When metal being detected, when the voltage of output signal and A point is 12V, circuit turn-on, so check point B is low level altogether; When metal detector does not have signal to export, namely do not detect metal object time A point voltage be 0, then not conducting, the voltage at check point B place is 5V, high level.Thus realize the function of on-off circuit.
It is the stepper motor of 42BYGHW300 that described stepper motor comprises four identical models.
The model of described stepper motor driver is A4988 stepper motor driver.
Described brush motor is as the carrier of metal detection module, metal detection module can be driven to move, the model of brush motor driver is L298N brush motor driver, MSP430f149 microcontroller is by the running of L298N brush motor driver control brush motor, and brush motor drives metal detection module transverse shifting on dolly.
Described brush motor limit switch is arranged on dolly, for limiting the moving range of metal detection module on dolly, prevents metal detection module from derailing.
Described sound and light alarm module comprises hummer and LED, when after the metal detection module detection and location in system to the position of metal, microcontroller receives the output signal of Tours gram proximity switch, hummer simultaneously in microprocessor controls sound and light alarm module rings, and LED is bright.
The utility model also comprises power module (not marking in figure), and power module provides voltage for each functional module.
The utility model is by microprocessor controls stepper motor precise rotation, dolly is enable to complete motor task, then microprocessor controls brush motor motion, brush motor drives metal detection module transverse shifting on dolly to scan, finally detect metal by metal detector module, again detection signal is fed back to microcontroller, realize the quick pinpoint function of metal detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the electrical block diagram of MSP430f149 microcontroller of the present utility model,
Fig. 3 is the circuit theory diagrams of metal detection module of the present utility model,
Fig. 4 is the circuit connection diagram of L298N of the present utility model.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1, a kind of trolley type metal detection steady arm involved by the utility model, comprises microcontroller, level switch module, metal detector module, stepper motor driver, brush motor driver, stepper motor, brush motor, brush motor limit switch, sound and light alarm module; Wherein, metal detector module is connected with microcontroller by level switch module, stepper motor is connected with microcontroller by stepper motor driver, brush motor is connected with microcontroller by brush motor driver, sound and light alarm module is connected with microcontroller, and brush motor limit switch is connected with microcontroller.
As shown in Figure 2, described microcontroller model is MSP430f149 microcontroller.
Described metal detection module selects model to be the Tours gram proximity switch of Bi5-M18-AP6X-H1141/L70, this proximity switch does not need to apply any pressure and Mechanical Contact just can work, when metal object is near the sensitive surface of switch and when being in the distance in sensing range, Tours gram proximity switch action.
The effect of described level switch module: due to metal detection part metal detected after the voltage signal that exports be 12V, and 3.3V during the operating voltage of microcontroller, so will utilize level switch module to become switching signal to microcontroller the voltage transitions of 12V.As shown in Figure 3, when metal being detected, when the voltage of output signal and A point is 12V, circuit turn-on, so check point B is low level altogether; When metal detector does not have signal to export, namely do not detect metal object time A point voltage be 0, then not conducting, the voltage at check point B place is 5V, high level.Thus realize the function of on-off circuit.
It is the stepper motor of 42BYGHW300 that described stepper motor comprises four identical models, four stepper motors are connected with MSP430f149 microcontroller respectively by the stepper motor driver that four models are A4988, MSP430f149 microcontroller is by the running of A4988 stepper motor driver control 42BYGHW300 stepper motor, and four 42BYGHW300 stepper motors drive trolley motion.
Described brush motor is as the carrier of metal detection module, metal detection module can be driven to move, the brush motor driver that brush motor is L298N by model is connected with MSP430f149 microcontroller, MSP430f149 microcontroller is by the running of L298N brush motor driver control brush motor, and brush motor drives metal detection module transverse shifting on dolly.Described brush motor limit switch is arranged on dolly, for limiting the moving range of metal detection module on dolly, prevents metal detection module from derailing.L298N is a kind of high voltage, the big current motor drive ic that ST company produces.This chip adopts 15 pin package.The principal feature that it has is: output current is large, and instantaneous peak current can reach 3A, and continuous firing electric current is 2A; Operating voltage is high, and maximum operating voltage can reach 46V; Rated power 25W.The circuit connection diagram of L298N as shown in Figure 4.
Described sound and light alarm module comprises hummer and LED, when after the metal detection module detection and location in system to the position of metal, microcontroller receives the output signal of Tours gram proximity switch, hummer simultaneously in microprocessor controls sound and light alarm module rings, and LED is bright.
The utility model also comprises power module (not marking in figure), and power module provides voltage for each functional module.
Moving of car, metal detection module starts to detect metal, if metal do not detected, outputs signal as 0V, low level signal is converted to microcontroller by level switch module, then stepper motor drives dolly to advance the distance of a step angle, and after execution, brush motor drives metal detection module to close to scan at dolly transverse shifting, if scanning does not detect the existence of metal object, so repetitive operation, until metal object detected, and after accurately locating, stop motion scans.When the distance of metal detection module and metal is less than certain limit, the existence of metal just can be detected, now the signal wire of metal detection module can export the voltage signal of a 12V, high level is converted to microcontroller again by level switch module, the stop motion of microprocessor controls motor, sound and light alarm module is reported to the police.
Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection domain of the present utility model.
Claims (8)
1. a trolley type metal detection steady arm, it is characterized in that, comprise microcontroller, level switch module, metal detector module, stepper motor driver, brush motor driver, stepper motor, brush motor, brush motor limit switch, sound and light alarm module; Wherein, metal detector module is connected with microcontroller by level switch module, stepper motor is connected with microcontroller by stepper motor driver, brush motor is connected with microcontroller by brush motor driver, sound and light alarm module is connected with microcontroller, and brush motor limit switch is connected with microcontroller.
2. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: described microcontroller model is MSP430f149 microcontroller.
3. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: described metal detection module model is the Tours gram proximity switch of Bi5-M18-AP6X-H1141/L70.
4. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: it is 42BYGHW300 stepper motor that described stepper motor comprises four identical models.
5. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: the model of described stepper motor driver is A4988 stepper motor driver.
6. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: the model of described brush motor driver is L298N brush motor driver.
7. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: described sound and light alarm module comprises hummer and LED.
8. a kind of trolley type metal detection steady arm according to claim 1, is characterized in that: also comprise power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498041.8U CN205176289U (en) | 2015-07-10 | 2015-07-10 | Dolly formula metal detection locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498041.8U CN205176289U (en) | 2015-07-10 | 2015-07-10 | Dolly formula metal detection locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176289U true CN205176289U (en) | 2016-04-20 |
Family
ID=55740265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498041.8U Expired - Fee Related CN205176289U (en) | 2015-07-10 | 2015-07-10 | Dolly formula metal detection locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205176289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507713A (en) * | 2018-04-02 | 2018-09-07 | 江苏中路工程检测有限公司 | A kind of stress detection device for road surface |
| CN110677077A (en) * | 2019-11-11 | 2020-01-10 | 深圳市丰巢科技有限公司 | Multi-motor drive control circuit |
-
2015
- 2015-07-10 CN CN201520498041.8U patent/CN205176289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507713A (en) * | 2018-04-02 | 2018-09-07 | 江苏中路工程检测有限公司 | A kind of stress detection device for road surface |
| CN110677077A (en) * | 2019-11-11 | 2020-01-10 | 深圳市丰巢科技有限公司 | Multi-motor drive control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20160710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |