CN108981963A - A kind of temperature measuring equipment based on wireless power - Google Patents
A kind of temperature measuring equipment based on wireless power Download PDFInfo
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- CN108981963A CN108981963A CN201811141561.8A CN201811141561A CN108981963A CN 108981963 A CN108981963 A CN 108981963A CN 201811141561 A CN201811141561 A CN 201811141561A CN 108981963 A CN108981963 A CN 108981963A
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- 238000000034 method Methods 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims description 42
- 238000012545 processing Methods 0.000 claims description 20
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000003752 polymerase chain reaction Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010367 cloning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000029241 heart induction Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of temperature measuring equipments based on wireless power, described device, it is made of temperature sensor 1, rotary body sample disk 2, processes temperature signal unit 3, stepper motor 4, wherein, temperature sensor 1, which is placed in rotary body sample disk 2, connects processes temperature signal unit 3, processes temperature signal unit 3 and rotary body sample disk 2 are mounted in 4 shaft of stepper motor, temperature signal collection and transmitting in sample rotary motion are realized in the synchronous rotary motion under motor driven with temperature sensor 1 and rotary body sample disk 2.
Description
Technical field:
The present invention relates to a kind of temperature measuring equipment, in particular to a kind of survey of suitable polymerase chain reaction alternating temperature PCR reaction
Warm device.
Background technique:
Polymerase chain reaction (Polymerase Chain Reaction, PCR) is a kind of molecular biosciences of DNA cloning
Learn reaction.Alternating temperature PCR reacts one of the key factor of success or not, is temperature in Thermal cycling conditions needed for reaction system
Control.So temperature monitoring is the important link of PCR reaction.The heat circulating system of normal PCR is divided into contact temperature-measuring and non-connects
Two kinds of touch thermometric: contact temperature-measuring can directly be put into temperature sensor near sample cell, thus accurate reflected sample
Temperature；And contactless temperature-measuring is usually to use infrared measurement of temperature, there is a problem of low precision, affected by environment big.
Contact is mostly temperature sensor probe thermometric, and precision is high, stablizes, but its measurand be usually fixation or
The sample disk of guide tracked movement.And rotary body sample tray temperature monitors, since sample is kept in motion, traditional contact is surveyed
Temperature is high for arrangement line requirements, so cannot achieve, the medium temperatures such as water or air can only be measured indirectly, to speculate sample temperature
Degree, or contactless temperature-measuring is used, but have the shortcomings that very big.Conventional contact thermometric mode can not carry out on rotating object
Measurement can not carry out accurate quick temperature control.
To solve the high-precision temperature acquisition of rotary body sample disk, guarantee that its accuracy, stability, the present invention provide one kind
Temperature measuring equipment.
Summary of the invention:
The present invention provides the rotary body sample disk temperature measuring equipment of a kind of high-precision, high stability, both realizes conventional reagents
Highly reliable, the high stability of disk contact temperature-measuring, and realize accurately wireless data transmission.
The device of the invention is one of PCR instrument equipment part invention, address illustrate only remain it is of the invention
Main the Nomenclature Composition and Structure of Complexes view, upper computer software, shell, upper cover and componental movement control structure included by PCR instrument will not
It explains herein.
Temperature measuring equipment of the invention, structure is as shown in Figure 1, by temperature sensor 1, rotary body sample disk 2, temperature signal
Processing unit 3, stepper motor 4 form, wherein temperature sensor 1, which is placed in rotary body sample disk 2, connects processes temperature signal list
Member 3, processes temperature signal unit 3 and rotary body sample disk 2 are mounted in 4 shaft of stepper motor.
The temperature sensor 1, using a high-precision micro NTC heat-sensitive sensor, sensor probe is placed in rotary body
In sample disk 2, installation site is located among two Reagent Tubes, and leans on the position of 1/3 height of short distance Reagent Tube bottom, realizes
Sample temperature accurately measures.
The rotary body sample disk 2 is sample placing device, can place 1 or more Reagent Tube, and Reagent Tube can be with rotation
Swivel sample disk 2 is rotated, and rotation reagent disc is that almag has thermal conductive resin, and sensor is embedded in rotation reagent disc,
Its tail end line connects in processes temperature signal unit 3 in temperature signal acquisition module 302, temperature sensor 1 in rotary course
Temperature signal is transferred to processes temperature signal unit 3, temperature data is reacted to reading window by upper computer software, thus
To temperature data.
The processes temperature signal unit 3 forms as shown in Fig. 2, by hood 301, temperature signal collection module
302, shielding case 303, receiving coil 304, transmitting coil 305, shielding case 306 and processes temperature signal module 307 form.
The processes temperature signal unit 3, shielding case 303 are adhered in temperature signal collection module 302, receiving coil
304 are welded in temperature signal collection module 302, and bonding is placed in shielding case 303.Hood 301, temperature signal collection module
302, shielding case 303, receiving coil 304 are used as a component, are mounted in 4 shaft of stepper motor with rotary body sample disk 2, this
Sample rotary motion medium temperature is realized in component synchronous rotary motion under motor driven with temperature sensor 1 and rotary body sample disk 2
Spend signal acquisition and transmitting.
Wherein shielding case 306 is adhered in processes temperature signal module 307, and receiving coil 305 is welded at temperature signal
It manages in module 307, and is adhered in shielding case 306.Transmitting coil 305, shielding case 306 and processes temperature signal module 307
As a component, it is fixedly installed on structure stand, the fixation of this component does not move, realize the reception and processing of temperature signal,
And it is transferred to microcontroller and carries out data processing and upload, the displays temperature in upper computer software.
Wherein temperature signal collection module 302, shielding case 303, receiving coil 304 and transmitting coil 305, shielding case 306,
And processes temperature signal module 307, concentric parallel installation；Shielding case 303 and shielding case 306 are to guarantee reagent disc spin safe
The nested installation of distance.
Apparatus of the present invention combine wireless power and visible light communication VLC (Visible Light Communication)
Technology.Wireless power technology is convenient and efficient, is not necessarily to any physical connection；Visible light communication technology transmission power is high, is not necessarily to application
Radio-frequency spectrum card, and without electromagnetic interference.This two big technology is combined together, design temperature signal processing unit 3, to realize
The temperature monitoring of sample in rotary body sample disk is a kind of completely new data processing and thermometric mode.
In apparatus of the present invention in temperature signal processing unit 3, with the temperature signal collection module of the movement of rotary body sample disk 2
302, operating voltage uses wireless power technology, using highly integrated wireless power chip and receiving coil 304, transmitting coil
305, it is placed in shielding case 303 and shielding case 306 made of domestic advanced special Ferrite Material, solves rotary body sample disk
The voltage at 2 temperature acquisition ends supplies, and avoids the whirlpool that transmitting coil 305, receiving coil 306 nearby generate on metalwork
Effect is flowed, adding unit power consumption is avoided, improves wireless power efficiency and stability.
In apparatus of the present invention in temperature signal processing unit 3, temperature data transmission uses visible light communication technology, utilizes
LED has high brightness, low-power consumption, shelf life is long, size is small, environmentally protective and response sensitivity is high, modulating characteristic is good etc.
Advantage realizes not physically connected this emerging data transmission mode of the transmission of temperature signal by the conversion of photosignal.
The visible optical communication technology, the present invention mainly apply visible light short-range transmission technique, transmission principle and mould
It is approximately that spherical wave is handled that type, which is by LED radiation light, is derived from spherical light wave by maxwell equation group and propagates expression
Formula are as follows:In formula, E0For wave source electric field strength；W is the angular frequency of light wave, and t is the time；k
It is light wave along the wave vector of the direction of propagation, depends primarily on light wavelength lambda；R is space coordinate；Ψ0For initial phase.Thus may be used
See that the LED angle of divergence is larger, then received convenient for optical signal, therefore the present invention uses white light LEDs.The simulation that temperature sensor is acquired
After filtering, enhanced processing, driving LED's signal shines, and transmits in an atmosphere, optical signal is received via photodetector, by light
Signal is converted into electric signal, the reduction temperature value after amplification, shaping.
Apparatus of the present invention processes temperature signal unit 3 is the concrete application in the present invention of above-mentioned principle, by temperature
The analog signal of sensor acquisition after carrying out data processing by highly integrated A/D chip and microprocessor, drives LED light source, real
The transmitting of existing temperature signal；Optical signal is received by photodetector, electric signal is converted optical signals into, at temperature signal
After the conversion for managing module 307, temperature signal is restored to obtain measured temperature.
Detailed description of the invention:
Fig. 1, temperature measuring equipment main modular composition figure
1-temperature sensor
2-rotary body sample disks
3-processes temperature signal units
4-stepper motors
Fig. 2 is the detailed construction assembling relationship figure of temperature signal processing unit 3 in Fig. 1
301-hoods
302-temperature signal collection modules
303-shielding cases
304-receiving coils
305-transmitting coils
306-shielding cases
307-processes temperature signal modules
Specific embodiment:
The device of the invention, which is aimed to solve the problem that, carries out high-precision temperature acquisition to rotary body sample disk, need to guarantee that its temperature is adopted
The high precision of collection, and need to guarantee the accuracy of signal transmission, stability.
It is described in detail by the implementation of 2 pairs of attached drawing 1, attached drawing temperature measuring equipments of the invention.
Fig. 1 is the main composition of the invention device, by temperature sensor 1, rotary body sample disk 2, processes temperature signal list
Member 3 forms.
Fig. 2 is the detailed the Nomenclature Composition and Structure of Complexes explanation of 3 part of temperature signal processing unit in Fig. 1, by hood 301, temperature
Signal acquisition module 302, shielding case 303, receiving coil 304, transmitting coil 305, shielding case 306 and processes temperature signal
Module 307 forms.
The realization of wireless power function in apparatus of the present invention: advanced power supply chip is used, two skies can be spatially made
Heart induction coil (receiving coil 304 and transmitting coil 305) isolation, and transfer efficiency and stability can expire completely during exercise
Sufficient demand.Since the induced voltage of receiving coil 304 and transmitting coil 305 can generate eddy current effect to neighbouring metal module, produce
Raw a large amount of heat, consumes power, therefore can carry out electromagnetic shielding processing to two coils, devises shielding case 303 and shielding case
306, induction coil is placed within shielding case, inductive power supply can be realized, and reduce by the inside and outside nested installation of two shielding cases
Eddy current effect reduces power consumption.
The temperature signal collection that the present invention is implemented is used by temperature sensor 1 and temperature signal collection module 302
High-precision micro NTC thermally sensitive temperature sensor (± 0.1 DEG C), temp probe are placed in rotary body sample disk close to the position of Reagent Tube
It sets, the temperature analog signal of acquisition is transmitted to the highly integrated A/D chip of temperature signal collection module 302, is passed after being AD converted
It is defeated by microprocessor and carries out data processing, the temperature signal through microprocessor processes drives LED light source.
Using LED light source as photoelectricity transmission light source, radiant light is approximately that spherical wave is handled, then its angle of divergence compared with
Greatly, convenient for the reception of optical signal.While the adjoining dimensions of the dust, gas molecule in the wavelength and room atmosphere of visible light are even
It is smaller, it is easy to produce the scattering and absorption of light, causes the deep fades of signal, in addition artificial light sources bias light also can be to system
Performance has an impact, thus temperature signal acquisition module 302, processes temperature signal module 307, shielding case in apparatus of the present invention
303, the processing technology of shielding case 306 use anti-generations bias light interfering material, and install temperature signal collection module 302,
Increase again after shielding case 303, receiving coil 304, transmitting coil 305, shielding case 306 and processes temperature signal module 307
The installation of hood 301 further reduces the influence such as artificial light, bias light, improves the performance of temperature measurement communication.
The implementation processing of visible light communication technology is to count by using processing chip MCU to temperature value in the present invention
The parsing of word, temperature resolution are 0.01 DEG C, are such as converted to integer-bit 2600 for 26.00 DEG C, are represented in binary as
101000101000, it, can be in persistently unglazed lower sending to guarantee its temperature signal the characteristics of property in the transmission of photosignal
The beginning of the light representations signal of 5ms.10000101000101000 data can be issued after MCU processing, every lasting 5ms, totally 17
85ms is needed to be transmitted, wherein 0000101000101000 binary number represents 2600.First is high starting in photosignal
Position is unrelated with data, and remaining 16 represent the temperature value of integer, can represent 0.00 DEG C -655.35 DEG C.1, which represents LED, shines, and 0
It represents LED not shine, remaining time is non-light emitting state, and the every 500ms hair of temperature signal is primary, i.e. 85ms is start bit and data
Transmission phase, 415ms are loitering phase (this stage is without optical signal).To convert digital signals into optical signal.
The optical signal that temperature signal collection module 302 emits is received by photodetector high speed in apparatus of the present invention, it will
Optical signal is converted to digital signal.The parsing of digital signal: the every 1ms of MCU reads the level of this primary.If it exists 100ms with
On low level, this stage is loitering phase, and after which sets up, reading level is then to have received start bit electricity when being high
Flat, since initial level is the 5ms time, reading after 2ms once should still be high level, next can be to read one every 5ms
Secondary and record, totally 16 data are to get arriving 100 times of temperature value.It should be low level, generation in the 86ms for receiving start bit
Table is sent completely, the loitering phase of entering signal.
The experimental data of the relatively more possessed advantage of temperature measuring equipment and existing apparatus of the invention is as follows:
| Thermometric object | Temperature measurement accuracy | Thermometric resolution ratio | Energy consumption | |
| Apparatus of the present invention | Rotary body | ±0.1℃ | 0.01℃ | > 0.5w |
| Existing apparatus 1 | Guide tracked movement or without motion | ±0.3℃ | 0.1℃ | < 0.5w |
Claims (9)
1. a kind of temperature measuring equipment based on wireless power, which is characterized in that described device, by temperature sensor 1, rotary body sample
Disk 2, processes temperature signal unit 3, stepper motor 4 form, wherein temperature sensor 1 is placed in connection temperature in rotary body sample disk 2
Signal processing unit 3 is spent, processes temperature signal unit 3 and rotary body sample disk 2 are mounted in 4 shaft of stepper motor.
2. temperature measuring equipment according to claim 1, which is characterized in that the temperature sensor 1, using a miniature NTC
Heat-sensitive sensor, sensor probe are placed in rotary body sample disk 2, and installation site is located among two Reagent Tubes.
3. temperature measuring equipment according to claim 1, which is characterized in that the temperature sensor 1 is installed on two Reagent Tubes
The position of 1/3 height of short distance Reagent Tube bottom is leaned in centre.
4. temperature measuring equipment according to claim 1, which is characterized in that the rotary body sample disk 2 is sample placing device,
1 or more Reagent Tube can be placed, Reagent Tube can be rotated with rotary body sample disk 2.
5. temperature measuring equipment according to claim 1, which is characterized in that the temperature sensor 1 is in rotary body sample disk 2
Between, tail end line connects in processes temperature signal unit 3 in temperature signal acquisition module 302, temperature sensing in rotary course
Temperature signal is transferred to processes temperature signal unit 3 by device 1.
6. temperature measuring equipment according to claim 1, which is characterized in that the processes temperature signal unit 3, by hood
301, temperature signal collection module 302, shielding case 303, receiving coil 304, transmitting coil 305, shielding case 306 and temperature
Signal processing module 307 forms, wherein shielding case 303 is adhered in temperature signal collection module 302, and receiving coil 304 welds
In temperature signal collection module 302, bonding is placed in shielding case 303, hood 301, temperature signal collection module 302, screen
Cover 303, receiving coil 304 are covered as a component, are mounted in 4 shaft of stepper motor with rotary body sample disk 2.
7. temperature measuring equipment according to claim 1, which is characterized in that the processes temperature signal unit 3, wherein shielding case
306 are adhered in processes temperature signal module 307, and receiving coil 305 is welded in processes temperature signal module 307, and is bonded
In in shielding case 306.Transmitting coil 305, shielding case 306 and processes temperature signal module 307 are used as a component, fixed
It is installed on structure stand.
8. temperature measuring equipment according to claim 1, which is characterized in that the processes temperature signal unit 3, wherein temperature is believed
Number acquisition module 302, shielding case 303, receiving coil 304 and transmitting coil 305, shielding case 306 and processes temperature signal mould
Block 307, concentric parallel installation；Shielding case 303 guarantees that reagent disc spin safe distance is nested with shielding case 306 and installs.
9. temperature measuring equipment according to claim 1, which is characterized in that the processes temperature signal unit 3, wherein temperature
Signal processing unit 3, with the temperature signal collection module 302 that rotary body sample disk 2 moves, operating voltage uses wireless power
Technology is placed in domestic advanced special ferrite material using highly integrated wireless power chip and receiving coil 304, transmitting coil 305
It in shielding case 303 and shielding case 306 made of expecting, solves the voltage supply at 2 temperature acquisition end of rotary body sample disk, and keeps away
The eddy current effect that transmitting coil 305, receiving coil 306 nearby generate on metalwork is exempted from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141561.8A CN108981963B (en) | 2018-09-28 | 2018-09-28 | Temperature measuring device based on wireless power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141561.8A CN108981963B (en) | 2018-09-28 | 2018-09-28 | Temperature measuring device based on wireless power supply |
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| CN108981963A true CN108981963A (en) | 2018-12-11 |
| CN108981963B CN108981963B (en) | 2023-12-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998371A (en) * | 2018-09-28 | 2018-12-14 | 北京金豪制药股份有限公司 | A kind of PCR temperature regulating device of low lift pump induction heating |
| CN115165179A (en) * | 2022-06-29 | 2022-10-11 | 广东高标电子科技有限公司 | Torque detection device |
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| CN202947801U (en) * | 2012-11-28 | 2013-05-22 | 河南科技大学东海硅产业节能技术研究院 | Wireless temperature measuring device of rotary mechanical body |
| WO2016136919A1 (en) * | 2015-02-25 | 2016-09-01 | 株式会社山本金属製作所 | Temperature measurement device |
| CN108254102A (en) * | 2017-11-30 | 2018-07-06 | 北京原力辰超导技术有限公司 | A kind of high temperature superconductor coil fever detection device |
| CN108279124A (en) * | 2018-01-24 | 2018-07-13 | 常州克劳诺斯特种轴承制造有限公司 | Moving-coil detects bearing |
| CN209310946U (en) * | 2018-09-28 | 2019-08-27 | 北京金豪制药股份有限公司 | A kind of temperature measuring equipment based on wireless power |
-
2018
- 2018-09-28 CN CN201811141561.8A patent/CN108981963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202947801U (en) * | 2012-11-28 | 2013-05-22 | 河南科技大学东海硅产业节能技术研究院 | Wireless temperature measuring device of rotary mechanical body |
| WO2016136919A1 (en) * | 2015-02-25 | 2016-09-01 | 株式会社山本金属製作所 | Temperature measurement device |
| CN108254102A (en) * | 2017-11-30 | 2018-07-06 | 北京原力辰超导技术有限公司 | A kind of high temperature superconductor coil fever detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108998371A (en) * | 2018-09-28 | 2018-12-14 | 北京金豪制药股份有限公司 | A kind of PCR temperature regulating device of low lift pump induction heating |
| CN115165179A (en) * | 2022-06-29 | 2022-10-11 | 广东高标电子科技有限公司 | Torque detection device |
| CN115165179B (en) * | 2022-06-29 | 2023-12-12 | 广东高标智能科技股份有限公司 | Torque detection device |
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