CN205785673U - A kind of dynamic balance detection system based on ARM - Google Patents
A kind of dynamic balance detection system based on ARM Download PDFInfo
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- CN205785673U CN205785673U CN201620541734.5U CN201620541734U CN205785673U CN 205785673 U CN205785673 U CN 205785673U CN 201620541734 U CN201620541734 U CN 201620541734U CN 205785673 U CN205785673 U CN 205785673U
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Abstract
A kind of dynamic balance detection system based on ARM, including ARM processing unit, A/D conversion, integrating circuit, amplification attenuator circuit, signal conditioning circuit, displacement transducer, photoelectric sensor, preposing signal process circuit, input equipment and outut device；Wherein said displacement transducer is through signal conditioning circuit, and integrating circuit and amplification attenuator circuit input A/D change, A/D conversion is connected with ARM processing unit, the signal of described photoelectric sensor is input to ARM processing unit after preposing signal process circuit, and described ARM processing unit connects input equipment and outut device respectively；The beneficial effects of the utility model: by arranging ARM processing unit as microprocessing unit analyzing and processing data, have easy to operate, detect the characteristics such as quick, easy to carry, in addition, there is certain versatility, most of rotors can be carried out field balancing detection, and need not keep rotor synchronized during repetitive measurement, simple to operate.
Description
Technical field
This utility model relates to the dynamic balance detection system of a kind of rotor, particularly to a kind of dynamic balance detection system based on ARM.
Background technology
The consequence that the imbalance of rotor causes is mechanical vibration and deafening noise, the machinery that goes down for a long time will damage, therefore find in time and to process imbalance problem in time particularly significant, the timely process of this problem not only can be reduced economic loss and can also prevent mechanical breakdown from personnel are produced harm.It is accomplished by periodically rotor being detected in order to avoid producing rotor unbalance, each index of rotor is monitored so that it is can be pinpointed the problems by periodic detection and solve problem.
Chinese patent literature CN100451592C discloses a kind of high accuracy number online dynamic balance detecting device based on FPGA on January 14th, 2009, specifically discloses and includes:
Fpga chip: be connected with pulse processing circuit, dsp chip and electrical level conversion chip, pulse signal for being sent here by pulse processing circuit carries out phase-locked and frequency multiplication, and utilize double frequency pulse signal control A/D chip to sample, sampling terminates post-sampling result and is stored to corresponding address location, generating a sampling simultaneously and terminate a pulse signal external interrupt signal as DSP, notice DSP extracts sampled result；
Pulse processing circuit；Being connected with photoswitch and fpga chip, for the reference pulse that photoswitch produces is carried out shaping, and be 0～3V by pulse amplitude amplitude limit, the pulse after shaping amplitude limit is delivered in fpga chip；
Sensor signal interface circuit: be connected with A/D chip, for being amplified and bandpass filtering treatment by the signal of displacement or vibrating sensor, and it is to be sampled to deliver to A/D chip etc.；
Electrical level transferring chip: be connected with fpga chip and A/D chip, for the mutual conversion of corresponding voltage between the control signal and A/D chip output signal of FPGA；
Dsp chip: be connected with fpga chip, the sampling that the lance phase pulse producing fpga chip and AD sampling produce after terminating terminates pulse and carries out interrupt response, single without extracting sampled value from the corresponding address of FPGA, after extracting the sampled value of a complete cycle, the sampled value of complete cycle is processed accordingly, thus extract with rotating speed with component frequently, and by corresponding amount of unbalance algorithm, obtain size and the phase place of amount of unbalance.
This structure is complicated, and troublesome poeration, therefore, it is necessary to make further improvements.
Utility model content
The purpose of this utility model aim to provide a kind of easy to operate, need not the dynamic balance detection system based on ARM that keeps rotor synchronized when detecting quick, easy to carry, highly versatile, measurement, to overcome weak point of the prior art.
A kind of based on ARM the dynamic balance detection system designed by this purpose, it is characterised in that: include ARM processing unit, A/D conversion, integrating circuit, amplification attenuator circuit, signal conditioning circuit, displacement transducer, photoelectric sensor, preposing signal process circuit, input equipment and outut device；Wherein said displacement transducer is through signal conditioning circuit, and integrating circuit and amplification attenuator circuit input A/D change, A/D conversion is connected with ARM processing unit, the signal of described photoelectric sensor is input to ARM processing unit after preposing signal process circuit, and described ARM processing unit connects input equipment and outut device respectively；Described ARM processing unit is for calculating and output display the process of input data；Described A/D conversion is for changing the voltage signal of input；Described integrating circuit integral compensation in waveform conversion, the elimination of amplifying circuit offset voltage and feedback control, and play the effect of low-pass filtering and filter various HF noise signal；Described signal conditioning circuit is used for displacement transducer signal processing, and realizes the signal of telecommunication after conversion amplifying, filtering and computing, and the signal enabling displacement transducer to export is converted into the voltage signal that subsequent conditioning circuit processes；Institute's displacement sensors is used for measuring rotor phase；Described photoelectric sensor is used for measuring rotor speed；Described preposing signal process circuit is for processing photo-sensor signal.
Institute's displacement sensors arranges 2-3.
Institute's displacement sensors is arranged on two ends of rotor.
Described photoelectric sensor arranges 1-3.
Described input equipment includes that keyboard and mouse, described outut device include touch screen or AVG display screen.
Described signal conditioning circuit is made up of amplifier, wave filter and linear circuit.
In order to meet the A/D conversion restriction to voltage range, described amplification attenuator circuit uses gain-attenuation control circuitry that the voltage of input is amplified decay.
Described ARM processing unit is provided with the external interfaces such as USB interface, display interface, jtag interface and/or serial ports, and described ARM processing unit uses MINI2440 development board, and its kernel is S3C2440.
The beneficial effects of the utility model: by arranging ARM processing unit as microprocessing unit analyzing and processing data, have easy to operate, detect the characteristics such as quick, easy to carry, in addition, there is certain versatility, most of rotors can be carried out field balancing detection, and need not keep rotor synchronized during repetitive measurement, simple to operate.
Accompanying drawing explanation
Fig. 1 is the structure diagram of this utility model one embodiment test system.
Fig. 2 is the wire figure of this utility model one embodiment test system.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
Seeing Fig. 1-Fig. 2, this dynamic balance detection system based on ARM, including ARM processing unit, A/D conversion, integrating circuit, amplification attenuator circuit, signal conditioning circuit, displacement transducer, photoelectric sensor, preposing signal process circuit, input equipment and outut device；Wherein said displacement transducer is through signal conditioning circuit, and integrating circuit and amplification attenuator circuit input A/D change, A/D conversion is connected with ARM processing unit, the signal of described photoelectric sensor is input to ARM processing unit after preposing signal process circuit, described ARM processing unit connects input equipment and outut device respectively, it is responsible for Correlation method for data processing and calculating, and output display；
Described ARM processing unit is for calculating and output display the process of input data；
Described A/D conversion is for changing the voltage signal of input, in order to is input to ARM processing unit and is analyzed processing；
Described integrating circuit integral compensation in waveform conversion, the elimination of amplifying circuit offset voltage and feedback control, and play the effect of low-pass filtering and filter various HF noise signal；
Described signal conditioning circuit is used for displacement transducer signal processing, and realizes the signal of telecommunication after conversion amplifying, filtering and computing, and the signal enabling displacement transducer to export is converted into the voltage signal that subsequent conditioning circuit processes；
Institute's displacement sensors is used for measuring rotor phase；
Described photoelectric sensor is used for measuring rotor speed；
Described preposing signal process circuit, for processing photo-sensor signal, is then input to ARM processing unit.
Further, the dynamic balance detection system based on ARM of the present embodiment, mainly include vibration simulation signal element, A/D conversion and ARM processing unit, have for external access of mouse and the USB interface of keyboard, for connecting the display interface of touch screen on ARM processing unit, for the jtag interface of main-machine communication and serial ports.
Further, institute's displacement sensors arranges 2-3.
Further, institute's displacement sensors is arranged on two ends of rotor.
Further, described photoelectric sensor arranges 1-3.
Further, described input equipment includes that keyboard and mouse, described outut device include touch screen or AVG display screen.
Further, described signal conditioning circuit is made up of amplifier, wave filter and linear circuit.
Further, described amplification attenuator circuit uses gain-attenuation control circuitry that the voltage of input is amplified decay.
Further, described ARM processing unit is provided with USB interface, display interface, jtag interface and/or serial ports.
Operation principle:
Displacement transducer records two ends of rotor phase signal, and input signal conditioning processing of circuit；Photoelectric sensor records rotor speed signal and inputs preposing signal process circuit process；
Phase signal is converted to, by signal conditioning circuit, the voltage signal that subsequent conditioning circuit can process；Tach signal is amplified by preposing signal process circuit, conversion, is then input to ARM microprocessing unit；
It is rotor unbalance value that phase signal processes the voltage signal integrated circuit Integral Transformation that obtains, and can low-pass filtering and filter various HF noise signal；
Its voltage range is decayed to meet the input requirements that A/D changes by the rotor unbalance value signal that integration obtains by amplifying attenuator circuit；
The voltage signal of input is changed by A/D conversion, is input to ARM microprocessing unit and carries out computational analysis after process；
ARM processing unit calculates rotor unbalance value size and respective phase, and output display according to the coherent signal of input, additionally, ARM processing unit accepts external keyboard mouse or touch screen input signal, is connected communication with main frame by jtag interface and serial ports.
Above-mentioned for preferred version of the present utility model, of the present utility model ultimate principle, principal character and of the present utility model advantage have been shown and described.Those skilled in the art is it should be recognized that this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (8)
1. a dynamic balance detection system based on ARM, it is characterised in that: include ARM processing unit,
A/D conversion, integrating circuit, amplification attenuator circuit, signal conditioning circuit, displacement transducer, photoelectric transfer
Sensor, preposing signal process circuit, input equipment and outut device；Wherein, institute's displacement sensors is through signal
Modulate circuit, and integrating circuit and amplification attenuator circuit input A/D conversion, A/D conversion with ARM process
Unit connects, and the signal of described photoelectric sensor is input to ARM processing unit after preposing signal process circuit,
Described ARM processing unit connects input equipment and outut device respectively；Described ARM processing unit is for right
The process of input data calculates and output display；Described A/D conversion is for carrying out the voltage signal of input
Conversion；Described integrating circuit is in waveform conversion, the elimination of amplifying circuit offset voltage and feedback control
Integral compensation, and play the effect of low-pass filtering and filter various HF noise signal；Described signal is adjusted
Reason circuit is for displacement transducer signal processing, and realize the signal of telecommunication after conversion amplifying, filtering and
Computing, the signal enabling displacement transducer to export is converted into the voltage signal that subsequent conditioning circuit processes；Described
Displacement transducer is used for measuring rotor phase；Described photoelectric sensor is used for measuring rotor speed；Before described
Put process circuit for photo-sensor signal is processed.
Dynamic balance detection system based on ARM the most according to claim 1, it is characterised in that: described
Displacement transducer arranges 2-3.
Dynamic balance detection system based on ARM the most according to claim 2, it is characterised in that: described
Displacement transducer is arranged on two ends of rotor.
Dynamic balance detection system based on ARM the most according to claim 3, it is characterised in that: described
Photoelectric sensor arranges 1-3.
Dynamic balance detection system based on ARM the most according to claim 4, it is characterised in that: described
Input equipment includes that keyboard and mouse, described outut device include touch screen or AVG display screen.
Dynamic balance detection system based on ARM the most according to claim 5, it is characterised in that: described
Signal conditioning circuit is made up of amplifier, wave filter and linear circuit.
Dynamic balance detection system based on ARM the most according to claim 6, it is characterised in that: described
Amplifying attenuator circuit uses gain-attenuation control circuitry that the voltage of input is amplified decay.
8., according to dynamic balance detection system based on ARM described in any one of claim 1-7, its feature exists
In: described ARM processing unit is provided with USB interface, display interface, jtag interface and/or serial ports.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620541734.5U CN205785673U (en) | 2016-06-02 | 2016-06-02 | A kind of dynamic balance detection system based on ARM |
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| CN201620541734.5U CN205785673U (en) | 2016-06-02 | 2016-06-02 | A kind of dynamic balance detection system based on ARM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374210A (en) * | 2018-10-11 | 2019-02-22 | 九江精密测试技术研究所 | A kind of dynamic balancing measurement circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374210A (en) * | 2018-10-11 | 2019-02-22 | 九江精密测试技术研究所 | A kind of dynamic balancing measurement circuit |
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