CN103330546A - Embedment-based digital vibration perception threshold detector - Google Patents
Embedment-based digital vibration perception threshold detector Download PDFInfo
- Publication number
- CN103330546A CN103330546A CN2013101298155A CN201310129815A CN103330546A CN 103330546 A CN103330546 A CN 103330546A CN 2013101298155 A CN2013101298155 A CN 2013101298155A CN 201310129815 A CN201310129815 A CN 201310129815A CN 103330546 A CN103330546 A CN 103330546A
- Authority
- CN
- China
- Prior art keywords
- voltage
- microprocessor
- vibration
- module
- touch screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses an embedment-based digital vibration perception threshold detector which comprises a microprocessor, an internal memory, a Flash memorizer, a power supply management module, a digital-to-analogue conversion module, an alternating current voltage regulation module, a vibration generator, an LCD (liquid crystal display) touch screen and a control panel, wherein the microprocessor controls an output of the digital-to-analogue conversion module by reading voltage set by the LCD touch screen, and then controls the magnitude of output voltage of the alternating current voltage regulation module, so that the vibration generator generates vibration with different amplitudes; when a to-be-detected part feels vibration, a threshold signal is generated by the control panel and sent to the microprocessor; when the to-be-detected part does not feel the vibration, the output voltage of the alternating current voltage regulation module is controlled by the control panel until the vibration is felt. The detector overcomes the defect that quantitative measurement cannot be performed by the existing detection technique; and scientific and accurate vibration perception threshold data is provided by an instrumentation measurement means.
Description
Technical field
The present invention relates to a kind of instrument system that is applied to check sensory disturbance, relate in particular to a kind of vibratory sensation obstacle somascope and system of Applied Digital modulation Oscillation Amplitude method.
Background technology
(Diabetic Peripheral Neuropathy DPN) has become the global health problem that faces to diabetic peripheral neuropathy how fast, quantitatively, accurately, carry out early screening and become key.Because the invisible height of DPN, by instrument person under inspection's sensory function inspection is become main clinical means.At present, Chang Yong inspection method has the inspection of 10g nylon yarn, 128Hz tuning fork test etc., namely rely on pressure feel or the vibration sense of human epidermal to judge whether person under inspection's sensory function exists obstacle, because these methods are simple to operate, realize easily, become the main means of clinical examination.
Yet, up to the present, existing Clinical detection means also exist some to be difficult to overcome the deficiency: the error of introducing in the manual operation is bigger, is subjected to the interference on person under inspection's subjective consciousness easily, can't carry out quantitative measurement, in clinical monitoring, be difficult to the basis for estimation that provides strong.
Summary of the invention
The objective of the invention is to overcome the shortcoming that existing detection technique can't quantitative measurement, provide science, vibratory sensation threshold data accurately by the instrumentation measurement means, to improve the global reliability of detection system.
In order to realize above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of based on Embedded digital vibratory sensation threshold value detector, comprise microprocessor (1), internal memory (2), Flash memorizer (3), power management module (4), D/A converter module (5), AC voltage adjusting module (7), vibration machine (8), LCD touch screen (9), and control panel (10); Described internal memory (2) is used for working procedure and data buffer memory, described Flash memorizer (3) is used for the storage data, described power management module (4) is used for providing voltage in several modes, for microprocessor (1), internal memory (2), Flash memorizer (3) provide power supply, described LCD touch screen (9) is used for reception, demonstration, setting voltage and position to be checked; LCD touch screen (9) links to each other with microprocessor (1), microprocessor (1) reads voltage and the position of setting by LCD touch screen (9) to be checked, D/A converter module (5) links to each other with microprocessor (1), and microprocessor (1) sends instruction control figure signal to the conversion of analogue signal to D/A converter module (5); AC voltage adjusting module (7) links to each other with D/A converter module (5), the voltage that analogue signal control AC voltage adjusting module (7) output that D/A converter module (5) is changed out equates with setting voltage; Vibration machine (8) links to each other with AC voltage adjusting module (7), and the alternating voltage that AC voltage adjusting module (7) modulates drives the vibration that vibration machine (8) produces various amplitude; Contact probe head places tested position; Control panel (10) links to each other with microprocessor (1), is used for changing the output voltage of AC voltage adjusting module (7), perhaps is used for producing threshold signal when tested position feels to shake, and threshold signal is sent to microprocessor (1); Microprocessor (1) is by the output of the Control of Voltage D/A converter module (5) that reads LCD touch screen (9) and set, and then the size of control AC voltage adjusting module (7) output voltage, make vibration machine (8) produce the vibration of various amplitude, when tested position feels to shake, produce threshold signal by control panel (10), threshold signal is sent to microprocessor (1), when tested position does not feel to shake, by control panel (10) control stream voltage regulating module (7) output voltage, till feeling vibrations.
Described vibration machine (8) comprises a slice L type toughness steel disc, a slice yi word pattern toughness steel disc, contact probe head and electric magnet, the fixedly connected electric magnet of L type toughness steel disc one end, the fixedly connected yi word pattern toughness of other end steel disc, and be parallel to each other with yi word pattern toughness steel disc, the contact probe head vertical fixing is in yi word pattern toughness steel disc, contact probe head directly contacts with the tested position of human body, the alternating voltage of the different sizes of AC voltage adjusting module (7) output, by electric magnet absorption yi word pattern toughness steel disc, contact probe head is vibrated.
Also be provided with peripheral interface (6), described peripheral interface comprises serial ports, SD clamping mouth, USB interface and LCD touch screen interface.
Also be provided with the system power supply interface, be used for to power management module (4), peripheral interface (6), D/A converter module (5) power supply.
Described USB interface is used for connecting printer, and the testing result of vibratory sensation threshold value is carried out output print.
Beneficial effect
Compared with prior art, the present invention has following advantage:
(1) native system adopts Digital Signals to realize the size of Oscillation Amplitude is regulated, and makes that the precision of measurement result is higher, and accuracy is stronger, and reliability is more arranged.
(2) the system hardware platform adopts the multi-layer sheet design, uses high-performance processor as the control core, and system running speed is faster, and stability is better.
(3) system constructing the application software system of stratification, can effectively shield the difference of hardware platform, compatible different hardware configurations.Designed the application software of visual tangible operation, made instrumentation simpler, interactivity is stronger, is convenient to instrument and promotes the use of.
Description of drawings
Fig. 1 is system construction drawing of the present invention;
Fig. 2 is system works flow process figure;
Fig. 3 is the structural representation of vibration machine.
A, electric magnet, B, L type toughness steel disc, C, yi word pattern toughness steel disc, D, contact probe head.
The specific embodiment
Based on Embedded digital vibratory sensation threshold value detector, form the AM3354ARM microprocessor that the structure microprocessor is selected Texas Instrument for use according to it, internal memory is selected 2 MT47H256M8 for use, amount to memory size 512M, Flash selects 29F2G08ABAE for use, memory capacity is 512M, and power management module adopts the TPS65910A of Texas Instrument, and D/A converter module is selected the DAC7311 of Texas Instrument high accuracy analog-digital chip for use.Wherein the spi0_cs0 sheet of the serial SPI0 pass foot of microprocessor AM3354 selects the sheet of pin connection analog-digital chip DAC7311 to select pin SYNC, the serial synchronised clock pin spi0_sclk of processor A M3354 connects the serial synchronised clock pin sclk of analog-digital chip DAC7311, and the data output pin spi0_d0 pin of processor A M3354 connects the data input pin Din of analog-digital chip DAC7311.The analogue signal output pin Vout of analog-digital chip DAC7311 connects the analog control signal input pin of AC voltage adjusting module, and the outfan of AC voltage adjusting module connects electric magnet.
Behind system's electrifying startup, vibratory sensation threshold value trace routine is loaded onto in the internal memory to be moved, user selects detected part namely to set a magnitude of voltage by the LCD touch screen, after processor reads the magnitude of voltage of setting by LCD, send instruction to analog-digital chip DAC7311 by synchronous serial interface, DAC7311 receives the instruction back and starts digital-to-analogue conversion, convert digital signal to analog control signal, and export to the AC voltage adjusting module, the AC voltage adjusting module is exported the magnitude of voltage that user is set under the control of analogue signal, drive the vibration that vibration probe produces respective amplitudes.Wherein digital-to-analogue conversion precision is 12, and digital signal is as follows to the conversion formula of analogue signal:
Wherein, n is conversion accuracy, equals 12 herein; D is binary instruction code, 12 bit lengths; AV
DDBe reference voltage level, equal 5V; V
OUTBe the modulator output voltage value, scope is 0-5V.
With reference to Fig. 2, native system workflow following steps:
(1) 8 detection positions commonly used have been preset in the vibration threshold trace routine, the position that user will be tested by the selection of LCD touch screen;
(2) ac voltage of user by selecting detected part namely to set to want to export, operation for convenience herein, corresponding each detected part has all been set a default voltage, and this numerical value is sent to processor;
(3) processor sends instruction to D/A converter module after reading the magnitude of voltage of setting, and D/A converter module converts digital signal to analog control signal, and exports to the AC voltage adjusting module;
(4) the AC voltage adjusting module is exported the ac voltage of setting under the control of analog control signal, drives vibration probe and produces the vibration of specifying amplitude;
(5) vibration of human body skin perception contact probe head can be regulated the size that button is regulated vibration by adding, subtracting according to the perception situation, carries out perception again, and till perceiving vibration, magnitude of voltage this moment is the vibratory sensation threshold value at this position.Usually repeat same steps as and measure 2-3 time, get the meansigma methods of measurement result as the vibratory sensation threshold value result at tested position.
LCD can show measured's vibratory sensation threshold value.
Subordinate list 1 is the voltage at 8 each position of presetting in the vibratory sensation obstacle detection program, electric current and amplitude synopsis:
| Toponym | Show voltage (V) | Actual output voltage (V) | Actual output current (mA) | Amplitude (uM) |
| Finger | 2 | 2.00 | 4.40 | 2 |
| The big toe base portion | 3 | 2.94 | 6.43 | 2 |
| The trunk front | 8 | 8.44 | 18.36 | 3 |
| The trunk back | 7 | 7.53 | 16.36 | 3 |
| The shank lateral margin | 10 | 10.28 | 22.36 | 4 |
| Thigh L3 | 16 | 16.74 | 34.07 | 6 |
| C7 | 17 | 17.67 | 34.80 | 8 |
| Upper arm | 7 | 7.53 | 16.36 | 3 |
The above is preferred embodiment of the present invention only, is not limited to the present invention, all any modifications of doing within principle of the present invention and spirit, is equal to and replaces and improvement etc., all just is included within protection scope of the present invention.
Claims (5)
1. one kind based on Embedded digital vibratory sensation threshold value detector, it is characterized in that: comprise microprocessor (1), internal memory (2), Flash memorizer (3), power management module (4), D/A converter module (5), AC voltage adjusting module (7), vibration machine (8), LCD touch screen (9), and control panel (10); Described internal memory (2) is used for working procedure and data buffer memory, described Flash memorizer (3) is used for the storage data, described power management module (4) is used for providing voltage in several modes, for microprocessor (1), internal memory (2), Flash memorizer (3) provide power supply, described LCD touch screen (9) is used for reception, display setting voltage and position to be checked; LCD touch screen (9) links to each other with microprocessor (1), microprocessor (1) reads voltage and the position of setting by LCD touch screen (9) to be checked, D/A converter module (5) links to each other with microprocessor (1), and microprocessor (1) sends instruction control figure signal to the conversion of analogue signal to D/A converter module (5); AC voltage adjusting module (7) links to each other with D/A converter module (5), the voltage that analogue signal control AC voltage adjusting module (7) output that D/A converter module (5) is changed out equates with setting voltage; Vibration machine (8) links to each other with AC voltage adjusting module (7), and the alternating voltage that AC voltage adjusting module (7) modulates drives the vibration that vibration machine (8) produces various amplitude; Contact probe head places tested position; Control panel (10) links to each other with microprocessor (1), is used for changing the output voltage of AC voltage adjusting module (7), perhaps is used for producing threshold signal when tested position feels to shake, and threshold signal is sent to microprocessor (1); Microprocessor (1) is by the output of the Control of Voltage D/A converter module (5) that reads LCD touch screen (9) and set, and then the size of control AC voltage adjusting module (7) output voltage, make vibration machine (8) produce the vibration of various amplitude, when tested position feels to shake, produce threshold signal by control panel (10), threshold signal is sent to microprocessor (1), when tested position does not feel to shake, by control panel (10) control stream voltage regulating module (7) output voltage, till feeling vibrations.
2. digital vibratory sensation threshold value detector according to claim 1 is characterized in that: described vibration machine (8) comprises a slice L type toughness steel disc, a slice yi word pattern toughness steel disc, contact probe head and electric magnet, the fixedly connected electric magnet of L type toughness steel disc one end, the fixedly connected yi word pattern toughness of other end steel disc, and be parallel to each other with yi word pattern toughness steel disc, the contact probe head vertical fixing is in yi word pattern toughness steel disc, contact probe head directly contacts with the tested position of human body, the alternating voltage of the different sizes of AC voltage adjusting module (7) output, by electric magnet absorption yi word pattern toughness steel disc, contact probe head is vibrated.
3. digital vibratory sensation threshold value detector according to claim 1 is characterized in that: also be provided with peripheral interface (6), described peripheral interface comprises serial ports, SD clamping mouth, USB interface and LCD touch screen interface.
4. digital vibratory sensation threshold value detector according to claim 1 is characterized in that: also be provided with the system power supply interface, be used for to power management module (4), peripheral interface (6), D/A converter module (5) power supply.
5. digital vibratory sensation threshold value detector according to claim 3 is characterized in that: described USB interface is used for connecting printer, and the testing result of vibratory sensation threshold value is carried out output print.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101298155A CN103330546A (en) | 2013-04-15 | 2013-04-15 | Embedment-based digital vibration perception threshold detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101298155A CN103330546A (en) | 2013-04-15 | 2013-04-15 | Embedment-based digital vibration perception threshold detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103330546A true CN103330546A (en) | 2013-10-02 |
Family
ID=49238801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101298155A Pending CN103330546A (en) | 2013-04-15 | 2013-04-15 | Embedment-based digital vibration perception threshold detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103330546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950035A (en) * | 2015-06-29 | 2015-09-30 | 中国地质大学（武汉） | Vibration sensing detection method and power frequency excitation detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002065A (en) * | 1988-04-20 | 1991-03-26 | Link Performance And Recovery Systems | Vibratory screening or diagnostic systems |
| US5433211A (en) * | 1993-07-19 | 1995-07-18 | National Research Council Of Canada | Method and system for identifying vibrotactile perception thresholds of nerve endings with inconsistent subject response rejection |
| WO2000059377A1 (en) * | 1999-04-06 | 2000-10-12 | Biotherapeutic Devices, Inc. | Apparatus, system, and method for detecting peripheral neuropathies |
| CN1997310A (en) * | 2003-12-03 | 2007-07-11 | A·古普塔 | Method and combination electronic communication and medical diagnostic apparatus for detecting/monitoring neuropathy |
| CN101048103A (en) * | 2004-10-25 | 2007-10-03 | 韦博辛斯动力公司 | Vibrotactile perception meter |
| CN101804241A (en) * | 2010-04-09 | 2010-08-18 | 浙江大学 | Transcutaneous stimulator and method for enhancing fine movement level of human hands thereof |
-
2013
- 2013-04-15 CN CN2013101298155A patent/CN103330546A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002065A (en) * | 1988-04-20 | 1991-03-26 | Link Performance And Recovery Systems | Vibratory screening or diagnostic systems |
| US5433211A (en) * | 1993-07-19 | 1995-07-18 | National Research Council Of Canada | Method and system for identifying vibrotactile perception thresholds of nerve endings with inconsistent subject response rejection |
| WO2000059377A1 (en) * | 1999-04-06 | 2000-10-12 | Biotherapeutic Devices, Inc. | Apparatus, system, and method for detecting peripheral neuropathies |
| CN1997310A (en) * | 2003-12-03 | 2007-07-11 | A·古普塔 | Method and combination electronic communication and medical diagnostic apparatus for detecting/monitoring neuropathy |
| CN101048103A (en) * | 2004-10-25 | 2007-10-03 | 韦博辛斯动力公司 | Vibrotactile perception meter |
| CN101804241A (en) * | 2010-04-09 | 2010-08-18 | 浙江大学 | Transcutaneous stimulator and method for enhancing fine movement level of human hands thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘世龙: "定量振动感觉测试系统的研究和开发", 《工程科技II辑》 * |
| 胡又佳等: "定量检测振动觉阈值的自动方法研究", 《浙江大学学报（工学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950035A (en) * | 2015-06-29 | 2015-09-30 | 中国地质大学（武汉） | Vibration sensing detection method and power frequency excitation detector |
| CN104950035B (en) * | 2015-06-29 | 2018-02-16 | 中国地质大学（武汉） | A kind of detection method and power frequency excitation detector of Vibration induction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101972149B (en) | Vision and touch tester and visual and tactual sensitivity testing method | |
| TW200600809A (en) | Method for analyzing measurement data of device under test, program, measurement data analyzing system | |
| CN108983077B (en) | Circuit board test system and test method based on JTAG link | |
| CN105266806A (en) | Spasticity evaluation system and device based on myotatic reflex threshold value and resistance variable | |
| CN105988079A (en) | System and method for testing power consumption of integrated circuit | |
| CN104101699A (en) | Improved analyte meter and method of operation | |
| CN101449968B (en) | Method and device for in-phase measurement of near infrared brain function detector | |
| CN204909410U (en) | Novel traditional chinese medical science pulse manifestation appearance | |
| CN203758766U (en) | Cardiopulmonary resuscitation machine detection device | |
| CN201912060U (en) | Vision and touch test instrument | |
| US9032129B2 (en) | Advanced energy profiler | |
| CN103330546A (en) | Embedment-based digital vibration perception threshold detector | |
| CN201341869Y (en) | Device realizing measurement synchronization of near-infrared brain function detector | |
| US20160213286A1 (en) | Electronic device, monitoring and feedback system on thoracoabdominal motion and method thereof | |
| CN202801637U (en) | Handheld device used for assessing and training pelvic floor muscle strength | |
| CN203244374U (en) | Embedded digital vibration perception threshold value detector | |
| CN203164407U (en) | Ultrahigh-frequency partial discharge state detection instrument calibrating device | |
| CN103580654B (en) | Reactor period signal generator and its implementation and using method | |
| CN106908643A (en) | A kind of probe, oscillograph, movement recognition system and method | |
| CN105125219A (en) | Multifunctional intelligent morning check machine | |
| CN108132434A (en) | The test system and integrated circuit of por circuit | |
| KR100745034B1 (en) | Integrative muscle function analysis device | |
| CN107342010A (en) | The lower peripheral blockade teaching equipment of B ultrasound guiding and its control method | |
| CN103431866B (en) | Method and device for measuring lying leg rise | |
| CN103142235B (en) | Magnetic positioning gait analysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131002 |