CN208606703U - A kind of Hall angle sensor data transmission device - Google Patents
A kind of Hall angle sensor data transmission device Download PDFInfo
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- CN208606703U CN208606703U CN201821558025.3U CN201821558025U CN208606703U CN 208606703 U CN208606703 U CN 208606703U CN 201821558025 U CN201821558025 U CN 201821558025U CN 208606703 U CN208606703 U CN 208606703U
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- data transmission
- angular transducer
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Abstract
The utility model relates to technical field of data transmission, disclose a kind of Hall angle sensor data transmission device, including Hall angular transducer, SSI interface, host computer and power supply, the power supply is electrically connected with the Hall angular transducer, sequentially connected signal filter circuit, signal processing circuit and signal output apparatus are equipped between the Hall angular transducer and the SSI interface, the host computer connect and carries out data transmission with the SSI interface.The signal that Hall angular transducer described in the utility model will test exports after signal filtering and the signal processing to the SSI interface, the host computer is transmitted a signal to by the SSI interface again, has the characteristics that low in cost, route is simple and signal transmission distance is long, stable signal transmission is accurate.
Description
Technical field
The utility model relates to technical field of data transmission, and in particular to a kind of Hall angle sensor data transmission dress
It sets.
Background technique
With miniature electronic technology, the rapid development of PC machine and sensor technology, sensor technology makes great progress,
It is based especially on the monitoring in terms of Hall effect.Hall angular transducer is in much monitoring fields at present, instead of tradition
Sensor, become monitoring field core.
The few SSI interfaces of output interface of angular transducer, most of long ranges, high-precision are transmitted both at home and abroad at present
The transmission signal such as magnetic coder, angular transducer is all made of the interfaces such as SPI, PWM, simulation output.Hall angular transducer SSI
Interfacing and synchronous serial interface, with installation cost is few, route is simplified, non-cpntact measurement, temperature stability are good, highly sensitive
The advantages of degree, long-life, cost performance height etc., the serial mode that it only passes through three signals (clock, data and piece choosing) are transmitted,
Be suitble to long distance transmission, and common simulation amount signal is easy infected, and signal transmission is unstable, fluctuate it is larger, by route distance
It influences to be easy decaying.Therefore, research angular transducer SSI interface transmits signal, has more profound significance.
Summary of the invention
The purpose of this utility model is to overcome the shortcomings of background technique, and provide a kind of Hall angular transducer
Data transmission device, including Hall angular transducer, SSI interface, host computer and power supply, the power supply and the Hall angle pass
Sensor, SSI interface electrical connection, are equipped with sequentially connected signal between the Hall angular transducer and the SSI interface
Filter circuit, signal processing circuit and signal output apparatus, the host computer connect with the SSI interface and carry out data biography
It is defeated.The signal that Hall angular transducer described in the utility model will test is after signal filtering and the signal processing
It exports to the SSI interface, then the host computer is transmitted a signal to by the SSI interface, with low in cost, route is simple
List and the feature that signal transmission distance is long, stable signal transmission is accurate.
As a further improvement of the above technical scheme:
The Hall angular transducer uses packet configuration.It is configured by the Hall angle sensor group, it can be right
The orthogonal correlated components in magnetic field carry out difference sampling analysis.
Rotation bipolar magnet is provided with above the Hall angular transducer.By on the Hall angular transducer
Side setting one rotation bipolar magnet, the Hall angular transducer magnetic coder chip can by detection magnetic field direction come
Measurement angle variation.
SSI-UART module is equipped between the SSI interface and the host computer.It can be with by the SSI-UART module
SSI synchronous serial data is converted into generic asynchronous serial data.
The clock and data-signal of the SSI interface use RS422 interface.422 interface transmits signal more smart
Standard, and strong antijamming capability.
The signal processing circuit is equipped with dsp processor.The dsp processor provides accurately high-resolution absolute position
Information and the output of SSI signal, and can handle 8,10,12,14 and 16 binary signals.
The power supply uses voltage regulator chip.Stabilized supply voltage output can guarantee the more accurate steady of measurement data
It is fixed.
In the above-mentioned technical solutions, the utility model compared with prior art the beneficial effect is that: institute in the utility model
It states Hall angular transducer and progress data signal transmission, the data-signal is connect with the host computer by the SSI interface
By signal filter circuit and signal processing circuit and then by signal output apparatus to the SSI interface, finally by described
SSI interface is transmitted on the host computer, which has the characteristics that low in cost, route is simple, and signal
Long transmission distance, transmission are stablized accurate.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model Principle of Signal Transmission figure.
Fig. 3 is magnet rotors angle input waveform figure received by Hall angular transducer in the utility model.
Fig. 4 is the waveform diagram that the data of SSI interface in the utility model are exported with clock signal.
Fig. 5 is that SSI-UART module switchs to the binary coding that Hall angle sensor chip exports in the utility model
The angle value of decimal coded exports figure.
In figure: 1. Hall angular transducers, 2.SSI interface, 3. host computers, 4. signal filter circuits, 5. signal processings electricity
Road, 6. signal output apparatus, 7. power supplys, 8. SSI-UART modules.
Specific embodiment
The performance that according to the present invention will be described in detail below with reference to the accompanying drawings, while the excellent of the utility model is made by explanation
Point is more clear and is readily appreciated that.
As shown in Figure 1 and Figure 2, a kind of Hall angle sensor data transmission device is embodied in this, including Hall angle passes
Sensor 1, SSI interface 2, host computer 3 and power supply 7, the power supply 7 are electrically connected with the Hall angular transducer 1, the SSI interface 2
It connects, sequentially connected signal filter circuit 4, signal processing is equipped between the Hall angular transducer 1 and the SSI interface 2
Circuit 5 and signal output apparatus 6, the host computer 3 connect and carry out data transmission with the SSI interface 2.The utility model institute
The signal that Hall angular transducer 1 will test is stated to export after the signal filter circuit 4 and the signal processing circuit 5
The extremely SSI interface 2, then the host computer 3 is transmitted a signal to by the SSI interface 2, with low in cost, route is simple
Single and signal transmission distance is long, stablizes accurate feature.
As shown in Figure 1, Figure 2, Figure 3 shows, when measurement angle, only 1 rotation need to be placed in the top of Hall angle center sensor
Turn bipolar magnet.Magnet can be arranged in above or below Ben Huoer angular transducer.In this specific embodiment, pass through
The magnetic field vertical vector that the Hall angular transducer 1 is distributed component package surface samples, especially to magnetic quick
Magnetic field vertical vector in sensillary area domain is sampled, and carries out difference sampling point to the orthogonal correlated components in magnetic field to realize
Analysis, differential signal will provide the sinusoidal vector sum m-cosine in magnetic field.Then pass through analog/digital conversion and Digital Signal Processing
Algorithm provides absolute angular position information and the output of SSI signal, realizes clock and the data-signal processing of SSI signal,
And it can handle 8/10/12/14/16 binary signal.
In this specific embodiment, a rotation bipolar magnet is set above the Hall angular transducer 1, when the rotation
Turn bipolar magnet rotation when, the 1 magnetic coder chip of Hall angular transducer can by detect magnetic field direction and calculating
12 binary codings out, thus measurement angle changing value, when Fig. 3 shows magnet rotors, the Hall angular transducer
The magnet rotors angle input waveform figure that chip receives.
As shown in Fig. 2, Fig. 5, SSI-UART module 8 is equipped between the SSI interface 2 and the host computer 3.This is specific real
It applies in example, the host computer 3 generally is equipped with universal asynchronous serial interface, such as PC machine, industrial personal computer, DSP and single-chip microcontroller control
System, therefore be equipped between the SSI interface 2 and the host computer 3 and SSI synchronous serial data is converted into generic asynchronous serial
The SSI-UART module 8 of data realizes SSI encoder and these controls using the SSI-UART module 8 in which can be convenient
The connection of system processed.And SSI data are converted into RS-232 generic asynchronous serial data, the clock rate of the SSI interface 2 can
125KHz, 250KHz, 500KHz or 1MHz are selected, and Gray code and binary code Data Format Transform, Fig. 5 is supported to show institute
Stating 12 binary codings that SSI-UART module exports the Hall angle sensor chip, to switch to decimal system angle value defeated
Scheme out.
As shown in Fig. 2, the clock and data-signal of the SSI interface 2 use RS422 interface (not shown).This tool
In body embodiment, the clock and data-signal of the SSI interface 2 carry out differential mode transmission to signal using 422 interface,
It ensure that signal transmission is more accurate, and strong antijamming capability.
As shown in Figure 1, Figure 2, Figure 4 shows, the signal processing circuit 6 is equipped with dsp processor.It is described in this specific embodiment
Signal processing circuit 6 uses the dsp processor, and dsp processor algorithm is capable of providing accurately high-resolution absolute position letter
Breath and SSI signal output, may be implemented SSI signal clock and data-signal processing, and can handle 8,10,
12,14 and 16 binary signals, Fig. 4 show the 12-bit data of the SSI interface 2 with clock signal output waveform
Figure.
As shown in Figure 1, the power supply 7 uses voltage regulator chip.In this specific embodiment, the power supply 7 has voltage-stablizer
Chip, input voltage 3-20V, output voltage 3.3V are described inputing to after being filtered by peripheral circuit capacitor element
The magnetic coder of Hall angular transducer 1, stabilized supply voltage output can guarantee the number that the Hall angular transducer 1 measures
According to more accurate stabilization.
When wanting measurement angle, the top of the heart in the chips is only needed simply to place 1 rotation bipolar magnet.Magnet
It can be arranged in above or below this IC.Magnetic coder chip is able to detect the direction in magnetic field and calculates 12 binary systems
Coding.
Circuit system output is SSI signal, it passes through the serial mode of three signals (clock, data and piece choosing) only to pass
Defeated, clock and data-signal are differential mode transmission (RS422), and signal transmission is accurate, and anti-interference ability is stronger.
Test program comparative analysis is used to the SSI interface output angle data of angular transducer, what SSI interface came out
12 binary codings are converted into the output of RS232 serial ports by conversion module, and test software receives the output of RS232 serial ports
Angle signal, so that it may position real time information and the historical variations curve of display output are seen, convenient for angle signal accuracy
And precision compares and analyzes.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model.
Claims (7)
1. a kind of Hall angle sensor data transmission device, including Hall angular transducer (1), SSI interface (2), host computer
(3) and power supply (7), it is characterised in that: the power supply (7) is electrically connected with the Hall angular transducer (1), the SSI interface (2)
It connects, sequentially connected signal filter circuit (4), letter is equipped between the Hall angular transducer (1) and the SSI interface (2)
Number processing circuit (5) and signal output apparatus (6), the host computer (3) connect with the SSI interface (2) and carry out data biography
It is defeated.
2. a kind of Hall angle sensor data transmission device according to claim 1, it is characterised in that: the Hall angle
It spends sensor (1) and uses packet configuration.
3. a kind of Hall angle sensor data transmission device according to claim 2, it is characterised in that: the Hall angle
Rotation bipolar magnet is provided with above degree sensor (1).
4. a kind of Hall angle sensor data transmission device according to claim 1, it is characterised in that: the SSI connects
SSI-UART module (8) are equipped between mouth (2) and the host computer (3).
5. a kind of Hall angle sensor data transmission device according to claim 1, it is characterised in that: the SSI connects
The clock and data-signal of mouth (2) use RS422 interface.
6. a kind of Hall angle sensor data transmission device according to claim 1, it is characterised in that: at the signal
It manages circuit (5) and is equipped with dsp processor.
7. a kind of Hall angle sensor data transmission device according to claim 1, it is characterised in that: the power supply
(7) voltage regulator chip is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558025.3U CN208606703U (en) | 2018-09-25 | 2018-09-25 | A kind of Hall angle sensor data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558025.3U CN208606703U (en) | 2018-09-25 | 2018-09-25 | A kind of Hall angle sensor data transmission device |
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| CN208606703U true CN208606703U (en) | 2019-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121827A (en) * | 2019-12-19 | 2020-05-08 | 杭州电子科技大学 | A TMR Magnetic Encoder System Based on Kalman Filter |
-
2018
- 2018-09-25 CN CN201821558025.3U patent/CN208606703U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121827A (en) * | 2019-12-19 | 2020-05-08 | 杭州电子科技大学 | A TMR Magnetic Encoder System Based on Kalman Filter |
| CN111121827B (en) * | 2019-12-19 | 2021-09-14 | 杭州电子科技大学 | TMR magnetic encoder system based on Kalman filtering |
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