CN104434036B - Thermal stimulus testing machine - Google Patents
Thermal stimulus testing machine Download PDFInfo
- Publication number
- CN104434036B CN104434036B CN201410768829.6A CN201410768829A CN104434036B CN 104434036 B CN104434036 B CN 104434036B CN 201410768829 A CN201410768829 A CN 201410768829A CN 104434036 B CN104434036 B CN 104434036B
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- Prior art keywords
- thermal stimulus
- testing machine
- heating plate
- cooling piece
- guide pillar
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4824—Touch or pain perception evaluation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Pain & Pain Management (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hospice & Palliative Care (AREA)
- Psychiatry (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to medical instruments field, in particular to a kind of thermal stimulus testing machine.It includes cooling piece, heating plate, outer case, lifting motor and guide pillar；Cooling piece and heating plate are slidably arranged on guide pillar, are connected with lifting motor, it is possible to realize lifting on guide pillar by lifting motor；Cooling piece, heating plate, lifting motor and guide pillar are arranged in outer case.The thermal stimulus testing machine that the present invention provides, by cooperating of heating plate and cooling piece, it is achieved the accurate adjustment to temperature, it is achieved the different temperatures stimulation to local skin, and then draw more accurate parameter such that it is able to provide for pain basic research and clinical medicine and instruct.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of thermal stimulus testing machine.
Background technology
Thermal stimulus testing machine is a kind of by body local skin applies different thermal stimuluss, and then manufactures experiment
Model, acquisition experiment parameter and the instrument of behavioristics's data.By temperature, the stimulation series of parameters such as number of times and time are carried out
Record and analysis, it is possible to the research local skin impact on thermal stimulus in various degree, it is possible to combine other instrument and equipments and do section
Learn research.
Market now all of thermal stimulus instrument, defect is it is obvious that such as can not carry out temperature to local skin
Accurate stimulation is precisely controlled with the time, can not realize remotely controlling, it is impossible to obtain the research parameter of standard.
Summary of the invention
It is an object of the invention to provide a kind of thermal stimulus testing machine, to solve above-mentioned problem.
Provide a kind of thermal stimulus testing machine in an embodiment of the present invention, including cooling piece, heating plate, outer case,
Lifting motor and guide pillar；
Described cooling piece and described heating plate slide described guide pillar both sides respectively, are connected with described lifting motor, it is possible to logical
Cross described lifting motor on described guide pillar, realize lifting；
Described cooling piece, described heating plate, described lifting motor and described guide pillar are arranged in described outer case.
Further, thermal stimulus testing machine also includes red copper block；
Described red copper block is slidably arranged on described guide pillar, it is possible to realize rising on described guide pillar by described lifting motor
Fall.
Guide pillar arranges red copper block, is transferred heat to the local skin of human body by red copper block.Can by red copper block
To reach the common effect of heating plate and cooling piece, it is simply that heating and two kinds of effects of refrigeration are integrated, preferably to reach
Our preset temperature value.
Red copper block is arranged on guide pillar together with heating plate and cooling piece, with lifting motor one lifting.
Further, thermal stimulus testing machine also includes temperature sensor；
Described temperature sensor is connected with described red copper block, is used for monitoring body local skin when contacting with described red copper block
The temperature of described red copper block.
Temperature when being contacted local skin with thermal stimulus testing machine by temperature sensor is monitored in real time, i.e. stimulates temperature
Degree, forms closed loop feedback effect, in case the temperature deviation that the reasons such as natural cooling cause affects the accuracy of experimental data.
Further, described guide pillar is provided with travel switch, for described cooling piece and the upper rising of described heating plate
Degree carries out positioning and record thermal stimulus time span.
The lifting height or the falling head that arrange travel switch, cooling piece and heating plate on guide pillar can be opened by stroke
Pass is defined, and retrains crossbeam movement travel, prevents from colliding with casing.
Further, described outer case is provided with two displacement transducers；
Two institute's orthogonal settings of displacement sensors.
Displacement transducer by two orthogonal settings, it is possible to Validity Test goes out small to after thermal stimulus effect of human body
Action situation of change, and then to behavioristics's data record of experimenter, analysis.
Further, institute's displacement sensors is laser displacement sensor or infrared ray displacement transducer.
Further, thermal stimulus testing machine also includes control chip；
Described control chip is arranged in described outer case, is connected with described heating plate and described cooling piece, is used for controlling
The acid extraction of described heating plate, and for controlling cryogenic temperature and the time of described cooling piece, and realize with upper
The communication of position machine.
By the PC end communication of control chip Yu host computer, the change in displacement of temperature and stimulation time, limbs is carried out upper
Control and monitoring in real time.
Further, described heating plate is quasiconductor.
Heating plate is set to semi-conducting material, it is possible to realize the effect of quickly heating.
Further, thermal stimulus testing machine also includes radiator and fan；
Described radiator and fan are arranged in described outer case, for dispelling the heat to described cooling piece.
Further, thermal stimulus testing machine also includes Switching Power Supply；
Described Switching Power Supply is arranged in described outer case, to described lifting motor, described heating plate and described cooling piece
Power supply.
The control of power supply be carried out to each electrical appliance in thermal stimulus testing machine, needs when by Switching Power Supply
Energising, it is not necessary to when carry out power-off, not only increase the utilization rate of the energy, in turn ensure that the use of thermal stimulus testing machine
Safety.
The thermal stimulus testing machine that the present invention provides, by cooperating of heating plate and cooling piece, it is achieved to temperature
Accurately adjust, it is achieved the different temperatures stimulation to local skin, and then draw more accurate parameter such that it is able to for pain
Basic research and clinical medicine provide and instruct.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of thermal stimulus testing machine of the present invention；
Fig. 2 is the perspective view of thermal stimulus testing machine of the present invention.
Reference:
1: the first displacement transducer 2: outer case 3: radiator
4: hand 5: guide pillar 6: red copper block
7: heating plate 8: control chip 9: lifting motor
10: crossbeam 11: cooling piece 12: fan
13: second displacement sensor
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Clear, complete description.Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, the institute that those of ordinary skill in the art are obtained on the premise of not making creative work
There is other embodiments, broadly fall into the scope that the present invention is protected.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " install ",
" be connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or connect integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
As shown in drawings, the invention provides a kind of thermal stimulus testing machine, including cooling piece 11, heating plate 7, outer case
2, lifting motor 9 and guide pillar 5；Cooling piece 11 and heating plate 7 are slidably arranged on guide pillar 5, are connected with lifting motor 9, it is possible to logical
Cross lifting motor 9 on guide pillar 5, realize lifting；
Cooling piece 11, heating plate 7, lifting motor 9 and guide pillar 5 are arranged in outer case 2.
By the rotation of lifting motor 9, drive and rise on heating plate 7 and the cooling piece 11 crossbeam 10 between guide pillar 5
Fall.When the skin needing the such as hand 4 of the local to human body carries out thermal stimulus, cooling piece 11 and heating plate 7 liters are got on, with
After contact skin, the local skin of human body is stimulated.
Further, thermal stimulus testing machine also includes red copper block 6；
Red copper block 6 is slidably arranged on guide pillar 5, it is possible to realize lifting on guide pillar 5 by lifting motor 9.
The crossbeam 10 of guide pillar 5 arranges red copper block 6, transfers heat to body local skin by red copper block 6, pass through
Red copper block can reach the common effect of heating plate and cooling piece, it is simply that integrates, heating and two kinds of effects of refrigeration with more
Reach well our preset temperature value.
Red copper block 6 is arranged on guide pillar 5 together with heating plate 7 and cooling piece 11, with lifting motor 9 one lifting.
Heating plate 7 and cooling piece 11 are bonded on red copper block 6 by heat conductive silica gel.
Further, thermal stimulus testing machine also includes temperature sensor；
Temperature sensor is connected with red copper block 6, for monitoring the red copper block 6 when body local skin contacts with red copper block 6
Temperature.
By temperature sensor to body local skin, such as the reality when skin of hand 4 contacts with thermal stimulus testing machine
Time monitoring, formed closed loop feedback effect, in case the temperature deviation that the reasons such as natural cooling cause affects the accuracy of experimental data.
Temperature sensor uses capture card to gather the temperature of each point respectively, finally optimizes the position of sensor.
Further, guide pillar 5 is provided with travel switch, fixed for carrying out to the lifting height of cooling piece 11 and heating plate 7
Position also records thermal stimulus time span.
Guide pillar 5 arranges crossbeam 10, cooling piece 11 and the lifting height of heating plate 7 or falling head can pass through crossbeam
10 are defined, and to avoid excessive height that outer case 2 causes damage, or the most too low impact motor.Stroke simultaneously
Switch can also record the thermal stimulus time, so can accurately record human body local skin to different temperature and different time
Between stimulate under experiment parameter.
Further, outer case 2 is provided with two displacement transducers；
Two orthogonal settings of displacement transducer.
By the first displacement transducer 1 and the second displacement sensor 13 of orthogonal setting, it is possible to effectively detect temperature thorn
After swashing effect, behavioristics's situation of change of the body part of subject such as finger.
When arbitrary minor motion of finger changes, all can be by corresponding displacement transducer record, such as the first displacement transducer 1
Moving left and right of record finger, second displacement sensor 13 moves before and after recording finger.
Further, displacement transducer is laser displacement sensor or infrared ray displacement transducer.
Laser displacement sensor can accurately change in the position of non-cpntact measurement testee, displacement etc., are mainly used in inspection
Survey the measurement of the geometric senses such as the displacement of object, thickness, vibration, distance, diameter.
According to measuring principle, laser displacement sensor principle is divided into laser triangulation and return laser beam analytic process, swashs
Light triangulation applies in general to high accuracy, short-range measurement, and return laser beam analyzes rule for telemeasurement.
Infra-red sensing system is by the measurement system that infrared ray is medium, is divided into five classes according to function, by detection mechanism
It is divided into as photon detector and thermal detector.Use laser displacement sensor or infrared displacement sensor can be by body
The registration accuracy such as finger is divided to bring up to micron level.
Further, thermal stimulus testing machine also includes control chip 8；
Control chip 8 is arranged in outer case, is connected with heating plate 7 and cooling piece 11, for controlling the heating of heating plate 7
Temperature and time, and for controlling cryogenic temperature and the time of cooling piece 11, and realize the communication with host computer.
By the PC end communication of control chip 8 with host computer, the change in displacement of temperature and stimulation time, hand 4 is carried out on
Position controls and monitoring in real time.
Control chip 8 is screwed in Switching Power Supply, is connected with PC I/O interface, it is possible to by the data of PC
Derive, for controlling the thermal stimulus temperature of thermal stimulus testing machine, stimulation time and the change in displacement etc. of monitoring hand 4.
I/O mouth connects heating plate, cooling piece, temperature sensor, travel switch and lifting motor etc., it is possible to achieve to temperature
Each parts in degree irritant test machine carry out accurate control.
Further, heating plate 7 is quasiconductor.
Heating plate 7 is set to semi-conducting material, it is possible to realize the effect of quickly heating.
Semi-conducting material has higher electric conversion rate, makes heating plate 7 become the most efficiently but also the most energy-conservation heating part
Part.Semi-conducting material can be tungsten, it is also possible to be HTCC etc., as long as it can improve electric heating conversion ratio.
Further, thermal stimulus testing machine also includes radiator 3 and fan 12；
Radiator 3 and fan 12 are arranged in outer case 2, for dispelling the heat to cooling piece 11.
When temperature in thermal stimulus testing machine is monitored in real time, radiator 3 He can be passed through when temperature is too high
Fan 12 dispels the heat, and lowers the temperature to cooling piece 11, and then realizes stimulating temperature to be adjusted.
Further, thermal stimulus testing machine also includes Switching Power Supply；
Switching Power Supply is arranged in outer case 2, powers to lifting motor 9, heating plate 7 and cooling piece 11.Switching Power Supply is also
There is the function of transformator, 220V alternating current can be become 12V unidirectional current.
Radiator and control chip can also be controlled by Switching Power Supply, are powered for radiator and control chip,
And its required voltage is carried out transformation process, enable normally to work.
By start power supply to each electrical appliance in thermal stimulus testing machine such as lifting motor 9, heating plate 7, cooling piece
11, radiator 3, control chip 8 etc. carry out the control of power supply, needs when be energized, it is not necessary to when carry out power-off, no
Improve only the utilization rate of the energy, in turn ensure that the safety in utilization of thermal stimulus testing machine.
The use process of thermal stimulus testing machine of the present invention is as follows:
After start, experimenter setting test temperature, such as 50 °, then computer transmits a signal on control chip 8,
Control chip 8 controls the heating plate 7 of quasiconductor and works with cooling piece 11, and after a period of time, temperature constant is at 50 °.Then control core
Sheet 8 controls lifting motor 9 and moves, and lifting motor 9 pulls crossbeam 10 to rise by wire, make the red copper block 6 as thermal source with
Body local skin, the skin such as hand 4 carries out thigmic stimulus.Meanwhile, the first displacement transducer 1 and the second displacement sensing is triggered
Device 13, computer starts timing, and records displacement and variable quantity.Within five seconds, stimulating after terminating, lifting motor 9 inverts, red copper
Block 6 drops to home.The design temperature of input second time again, such as 60 °, subsequent action is identical.Period, computer recording is real
Test number of times, the response parameter in the parameter of temperature and time and testee behavioristics.
The present invention is capable of following function:
1, stimulation location.
Can be real to arbitrary position of finger pulp loss (forefinger, middle finger, the third finger) or skin of forearm during normal person's comfortable posture
Execute a stimulation.
2, stimulation mode.
Realize same position repeatedly stimulates the stimulation with different parts, such as realizes the thorn of a finger different parts
Swash, between finger, switch over stimulation.
3, matter of time.
Stimulate and realize the time: i.e. can apply preset temperature after how long stimulates, and this time can in allowed band
It is precisely controlled.
Stimulus duration: the temperature persistent period to skin effect, this time can be automatically obtained after setting.When continuing
After between, stimulating and automatically disappear, as during the persistent period, experimenter withdraws from experiment, the reality of the most recordable stimulation voluntarily
Persistent period.
Example 1. first applies the thermal stimulus of 30 ° of 5s to the third finger, after 1 minute, applies 40 ° of temperature of 4s to the third finger
Stimulation, after 30 seconds, apply 65 ° of thermal stimuluss of 2s to the third finger, after 1 minute, apply 28 ° of 6s to the third finger
Thermal stimulus, now stimulation location can be a position on the third finger or the different parts of the third finger.(various time parameters
All can preset and precisely realize in the attainable scope of instrument with temperature parameter, reality there may be error, passes through
Computer goes to monitor parameter, adjusts parameter, real time record)
4, number of times is stimulated.
The single stimulation of the most identical or different position, the repeatedly stimulation at same position.
5, safety feedback.
Artificially terminate during any discomfort situation stimulating；Automatically terminate when instrument exceedes safe handling scope.
6, data record.
Record experiment relevant parameter, such as time parameter, temperature data, stimulates number of times.
The data itself obtained after human body are stimulated to can be used for population analysis, the temperature tolerance of such as different crowd,
Combine other physical signs by the experimental data under thermal stimulus, can be used for the pain caused evaluation of temperature and research.
The thermal stimulus testing machine that the present invention provides, by cooperating of heating plate 7 and cooling piece 11, and then realize right
The accurate adjustment of temperature, then by heating plate 7 and the adjustment of cooling piece 11, it is achieved the different temperatures pain stimulation to hand 4,
And then draw more accurate parameter.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a thermal stimulus testing machine, it is characterised in that include cooling piece, heating plate, outer case, lifting motor and guide pillar；
Described cooling piece and described heating plate are slidably arranged in described guide pillar both sides respectively, are connected with described lifting motor, it is possible to
On described guide pillar, lifting is realized by described lifting motor；
Described cooling piece, described heating plate, described lifting motor and described guide pillar are arranged in described outer case.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that also include red copper block；
Described red copper block is slidably arranged on described guide pillar, it is possible to realize lifting on described guide pillar by described lifting motor.
Thermal stimulus testing machine the most according to claim 2, it is characterised in that also include temperature sensor；
Described temperature sensor is connected with described red copper block, for monitoring institute when body local skin contacts with described red copper block
State the temperature of red copper block.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that described guide pillar is provided with travel switch, uses
In carrying out positioning and record thermal stimulus time span to the lifting height of described cooling piece and described heating plate.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that be provided with two displacements in described outer case
Sensor；
Two institute's orthogonal settings of displacement sensors.
Thermal stimulus testing machine the most according to claim 5, it is characterised in that institute's displacement sensors is that laser displacement passes
Sensor or infrared ray displacement transducer.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that also include control chip；
Described control chip is arranged in described outer case, is connected with described heating plate and described cooling piece, is used for controlling described
The acid extraction of heating plate, and for controlling cryogenic temperature and the time of described cooling piece, and realize and host computer
Communication.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that described heating plate is quasiconductor.
Thermal stimulus testing machine the most according to claim 1, it is characterised in that also include radiator and fan；
Described radiator and fan are arranged in described outer case, for dispelling the heat to described cooling piece.
10. according to the thermal stimulus testing machine described in any one of claim 1-9, it is characterised in that also include Switching Power Supply；
Described Switching Power Supply is arranged in described outer case, powers to described lifting motor, described heating plate and described cooling piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768829.6A CN104434036B (en) | 2014-12-12 | 2014-12-12 | Thermal stimulus testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768829.6A CN104434036B (en) | 2014-12-12 | 2014-12-12 | Thermal stimulus testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104434036A CN104434036A (en) | 2015-03-25 |
| CN104434036B true CN104434036B (en) | 2016-10-12 |
Family
ID=52881351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768829.6A Expired - Fee Related CN104434036B (en) | 2014-12-12 | 2014-12-12 | Thermal stimulus testing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104434036B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628769A (en) * | 1994-09-30 | 1997-05-13 | Saringer Research, Inc. | Method and devices for producing somatosensory stimulation using temperature |
| DE602004004116T2 (en) * | 2003-05-22 | 2007-10-11 | Medoc Ltd. | PROBE FOR THERMAL STIMULATION AND METHOD THEREFOR |
| KR100734901B1 (en) * | 2006-06-15 | 2007-07-12 | (주)엘앤비메디칼 | Medical apparatus capable of thermal stimulation using thermoelectric module |
| KR100797791B1 (en) * | 2007-02-16 | 2008-01-24 | 주식회사 이루다 | Medical hand piece for stimulating skin using a thermoelectric module |
| CN202041431U (en) * | 2011-04-15 | 2011-11-16 | 孟祥琦 | Thermal stress cyclic test device |
| CN204293136U (en) * | 2014-12-12 | 2015-04-29 | 于生元 | Thermal stimulus testing machine |
-
2014
- 2014-12-12 CN CN201410768829.6A patent/CN104434036B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104434036A (en) | 2015-03-25 |
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Granted publication date: 20161012 Termination date: 20211212 |