CN217305495U - Linear Hall array AGV magnetic sensor - Google Patents
Linear Hall array AGV magnetic sensor Download PDFInfo
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- CN217305495U CN217305495U CN202220367445.3U CN202220367445U CN217305495U CN 217305495 U CN217305495 U CN 217305495U CN 202220367445 U CN202220367445 U CN 202220367445U CN 217305495 U CN217305495 U CN 217305495U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a linear Hall array AGV magnetic sensor, which comprises a Hall sensor group for detecting and outputting magnetic field signals; the operational amplifier is connected to the Hall sensor group and used for enhancing, amplifying and outputting the magnetic field signal, and the processor module is connected to the operational amplifier and used for performing analog signal/digital signal conversion on the enhanced and amplified magnetic field signal; and the communication interface is connected with the processor module and outputs the communication data to the AGV master controller. The product has the advantages of less parts, low cost and easy processing; maintenance-free, pure digital algorithm optimization and correction; can be used at intervals of the metal layer and is stably used in a noisy environment in the cotton spinning industry.
Description
Technical Field
The utility model relates to a sensor especially relates to a linear hall array AGV magnetic sensor.
Background
The AGV magnetic sensor is mainly used for sensing a permanent magnetic field or an alternating current magnetic field paved on the ground of an industrial workshop, after corresponding digital signals are obtained through sensing, the AGV car navigation is carried out through algorithm processing, for example, the AGV car navigation in the cotton spinning industry, the AGV magnetic sensor in the prior art generally uses a magnetic resistance sensor, the AGV magnetic sensor is a switch type Hall sensor, the magnetic field position is obtained by using a mode of manually adjusting an analog resistor, the existing magnetic sensor is basically used in a mode that a circuit board is perpendicular to the ground, and therefore the prior art has the following three defects:
firstly, the anti-interference capability is weak, and manual calibration is needed;
secondly, the metal chassis cannot be used at intervals;
and thirdly, more electronic components are used.
SUMMERY OF THE UTILITY MODEL
In order to solve the weak point that above-mentioned technique exists, the utility model provides a linear hall array AGV magnetic sensor.
In order to solve the technical problem, the utility model discloses a technical scheme be: a linear Hall array AGV magnetic sensor comprises a Hall sensor group for detecting and outputting magnetic field signals; the operational amplifier is connected to the Hall sensor group and used for enhancing, amplifying and outputting the magnetic field signal, and the processor module is connected to the operational amplifier and used for performing analog signal/digital signal conversion on the enhanced and amplified magnetic field signal; and the communication interface is connected with the processor module and outputs the communication data to the AGV master controller.
Furthermore, the processor module is connected with a voltage stabilizing module, an LED lamp, a debugging interface and a crystal oscillator module.
Furthermore, the Hall sensor group comprises a plurality of parallel Hall sensors, the power input end of each Hall sensor is connected with a voltage stabilizing capacitor in parallel, the output end of each Hall sensor is connected with a divider resistor in series, the divider resistor is connected with a filter capacitor, and the output end of each Hall sensor is connected with an operational amplifier after passing through the divider resistor in series.
Further, the operational amplifier is a four-way operational amplifier.
Further, the communication interface is a universal asynchronous receiver/transmitter.
Further, the voltage stabilizing module is a low dropout regulator.
Further, the debugging interface is a serial line debugging interface.
Furthermore, the crystal oscillator module is a clock oscillator circuit.
The utility model discloses a linear Hall array AGV magnetic sensor, which has the advantages of small quantity of required parts, low cost and easy processing; maintenance-free, pure digital algorithm optimization and correction; can be used at intervals of the metal layer and is stably used in a noisy environment in the cotton spinning industry.
Drawings
Fig. 1 is an electrical schematic block diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
In the figure: 1. a group of Hall sensors; 2. an operational amplifier; 3. a processor module; 4. a communication interface; 5. a voltage stabilization module; 6. an LED lamp; 7. debugging an interface; 8. and a crystal oscillator module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In order to enable the AGV magnetic sensor to have higher signal sensitivity and stronger anti-interference performance in a cotton spinning industrial environment, reduce the size of the AGV magnetic sensor, be easier to install and reduce the cost of the AGV magnetic sensor, the linear Hall array AGV magnetic sensor shown in figure 1 is designed, and specifically comprises a Hall sensor group 1 for detecting and outputting a magnetic field signal, wherein the Hall sensor group 1 comprises a plurality of parallel Hall sensors, and the power input end of each Hall sensor is connected with a voltage stabilizing capacitor in parallel; the magnetic field signal amplifying circuit comprises an operational amplifier 2 which is connected to a Hall sensor group 1 and used for amplifying and outputting a magnetic field signal in an enhancing mode, wherein the operational amplifier 2 is a four-way operational amplifier, the output end of each Hall sensor is connected with a divider resistor in series, a filter capacitor is connected to the divider resistor, and the output end of each Hall sensor is connected to the operational amplifier 2 after passing through the divider resistor in series. The magnetic field signal processing device comprises a processor module 3 which is connected to an operational amplifier 2 and is used for carrying out analog signal/digital signal conversion on the enhanced and amplified magnetic field signal, wherein the processor module 3 adopts a microprocessor with the model number of STM32F103R as a control core; the AGV master controller comprises a communication interface 4 which is connected with a processor module 3 and outputs communication data to the AGV master controller, wherein the communication interface 4 is a universal asynchronous receiver/transmitter, and the communication interface is a data communication transmission function between the processor module and the AGV master controller.
The processor module 3 is connected with a voltage stabilizing module 5, an LED lamp 6, a debugging interface 7 and a crystal oscillator module 8. The voltage stabilizing module 5 provides 3.3V power supply for the whole circuit for the low dropout regulator, the debugging interface 7 provides functions of code burning, downloading and simulation debugging for the processor module 3 for the serial line debugging interface, and the crystal oscillator module 8 provides a reference clock signal required by chip operation for the processor module for the clock oscillation circuit.
The utility model discloses a characteristics adopt the model to be the linear hall sensor of DRV5053 to magnetic sensor's functional core, can detect and export the magnetic field intensity signal that senses, the sensing module is put by a plurality of DRV5053 side by side and is constituteed, still contains analog filter circuit in the module, and characteristics can the interval metal level use, use in the noisy environment of cotton spinning industry stable.
The implementation workflow of the software function of the novel magnetic sensor shown in fig. 2 is as follows:
1. system initialization, configuring a clock, initializing peripherals, configuring interrupts and the like;
2. when the timer is interrupted and started, the analog-digital signal conversion function is started, the analog signals transmitted by the Hall sensor are collected, and the multiple analog signals are converted into digital signals for sampling;
3. carrying out dynamic sampling for multiple times, and optimizing original data by using a dynamic digital filtering algorithm;
4. sorting the optimized data by a quick sorting algorithm to obtain required data;
5. and encoding the data into a communication transmission format, and outputting the data to the master controller through the communication interface.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a linear hall array AGV magnetic sensor which characterized in that: the magnetic field sensor comprises a Hall sensor group (1) for detecting and outputting a magnetic field signal; the operational amplifier (2) is connected to the Hall sensor group (1) and is used for enhancing, amplifying and outputting the magnetic field signal, and the processor module (3) is connected to the operational amplifier (2) and is used for performing analog signal/digital signal conversion on the enhanced and amplified magnetic field signal; and the communication interface (4) is connected to the processor module (3) and outputs the communication data to the AGV master controller.
2. The linear hall array AGV magnetic sensor of claim 1, further comprising: the processor module (3) is connected with a voltage stabilizing module (5), an LED lamp (6), a debugging interface (7) and a crystal oscillator module (8).
3. The linear hall array AGV magnetic sensor of claim 2, wherein: the Hall sensor group (1) comprises a plurality of parallel Hall sensors, a power input end of each Hall sensor is connected with a voltage stabilizing capacitor in parallel, an output end of each Hall sensor is connected with a divider resistor in series, the divider resistor is connected with a filter capacitor, and an output end of each Hall sensor is connected with an operational amplifier (2) after passing through the divider resistor in series.
4. The linear hall array AGV magnetic sensor of claim 3, wherein: the operational amplifier (2) is a four-way operational amplifier.
5. The linear hall array AGV magnetic sensor of claim 4, wherein: the communication interface (4) is a universal asynchronous receiver/transmitter.
6. The linear hall array AGV magnetic sensor of claim 5, wherein: the voltage stabilizing module (5) is a low dropout regulator.
7. The linear hall array AGV magnetic sensor of claim 6, wherein: the debugging interface (7) is a serial line debugging interface.
8. The linear hall array AGV magnetic sensor of claim 7, further comprising: the crystal oscillator module (8) is a clock oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367445.3U CN217305495U (en) | 2022-02-23 | 2022-02-23 | Linear Hall array AGV magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367445.3U CN217305495U (en) | 2022-02-23 | 2022-02-23 | Linear Hall array AGV magnetic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217305495U true CN217305495U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220367445.3U Active CN217305495U (en) | 2022-02-23 | 2022-02-23 | Linear Hall array AGV magnetic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217305495U (en) |
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2022
- 2022-02-23 CN CN202220367445.3U patent/CN217305495U/en active Active
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