CN108593134A - Wearable high-precision body temperature transducer - Google Patents
Wearable high-precision body temperature transducer Download PDFInfo
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- CN108593134A CN108593134A CN201810341128.2A CN201810341128A CN108593134A CN 108593134 A CN108593134 A CN 108593134A CN 201810341128 A CN201810341128 A CN 201810341128A CN 108593134 A CN108593134 A CN 108593134A
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- quartz crystal
- temperature
- navigation system
- satellite navigation
- asic
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- 230000036760 body temperature Effects 0.000 title claims abstract description 32
- 239000010453 quartz Substances 0.000 claims abstract description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000013078 crystal Substances 0.000 claims abstract description 84
- 239000000523 sample Substances 0.000 claims abstract description 59
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 7
- 210000000707 wrist Anatomy 0.000 claims abstract description 7
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/32—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using change of resonant frequency of a crystal
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electric Clocks (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The wearable high-precision body temperature transducer of the present invention be related to a kind of wearable very high degree of precision time service by satellite navigation system on the basis of quartz crystal body temperature transducer.The present invention includes quartz crystal probe (1), satellite navigation system antenna (2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging management system (7) and silicon rubber casings and wearable attachment；Wearable high-precision body temperature transducer can make the various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type, measure the accurate Temperature changing situation of body different parts；High-resolution, pinpoint accuracy, the medical temperature signal of high stability are shared by the APP and cloud database and other Internet users of smart mobile phone.
Description
(1) technical field：
The wearable high-precision body temperature transducer of the present invention is related to a kind of wearable high essence with satellite navigation system
Spend the quartz crystal body temperature transducer on the basis of time service.
(2) background technology：
International practical temperature scale is with the temperature designated value of some reproducible equilibrium states (defining fixed point), and in the world
Based on the standard interpolation instrument indexed on these fixed points of practical temperature scale.Nineteen sixty-eight international practical temperature scale is divided into three temperature
Area defines these temperature with standard platinum resistance thermometer, standard platinum rhodium (10%) platinum thermocouple and Planck's law of radiation respectively
Temperature value in area.
The core component of the quartz crystal thermometer of the prior art is resonance type quartz crystal crystal oscillator, working mechanism with
Traditional temperature sensor (platinum resistance thermometer, thermocouple thermometer etc.) is different, and working mechanism is " resonance ", is not by dividing
" resistance " or " electromotive force " that the warm-up movement of son generates.
The quartz oscillator of the prior art, frequency --- temperature characterisitic are one quite close to the multinomial three times of straight line
Formula curve；A, b, c are respectively one, two, three polynomial coefficient, related with the type of cut of quartz wafer and the vibration shape.
The quartz crystal thermometer of the prior art at least 2 quartz oscillators, one is that temperature is 0 DEG C of benchmark
Quartz oscillator, a sensor quartz oscillator for being used as measuring temperature, is tested by the frequency difference of the two
Temperature；To reduce the frequency drift of benchmark quartz oscillator, usually benchmark quartz oscillator is placed in and is accurately controlled
In the insulating box of temperature；Even so, still there are the reference frequency drift that can not ignore, the quartz crystal temperature of the prior art
Score resolution can accomplish 0.001K~0.0001K, but its accuracy can only accomplish 0.1K~0.05K.
The electronic thermometer of the prior art, using temperature sensitive resister (temperature-sensitive semiconductor) electronic thermometer accuracy be ±
0.2K, the accuracy using the electronic thermometer of infrared probe are ± 0.2K to ± 0.3K；
The prior art " becomes the quartz-crystal of the GPS time services of the additional function of GPS navigator and GPS intelligent navigation mobile phones
Thermometer body " and " become the quartz-crystal body temperature of the Big Dipper time service of the additional function of Beidou navigator and Big Dipper intelligent navigation mobile phone
Degree meter " is using internet as technological means, it is possible to realize the internet mobile application that high-precision temperature measures, but its quartz-crystal
Body, which is popped one's head between smart mobile phone, to be connected using low distribution capacity, low-impedance conducting wire.
(3) invention content：
Technical problem to be solved：
Solve that " prior art " becomes the stone of the GPS time services of the additional function of GPS navigator and GPS intelligent navigation mobile phones
English crystal temperature effect meter " and " become the quartz-crystal of the Big Dipper time service of the additional function of Beidou navigator and Big Dipper intelligent navigation mobile phone
Thermometer body " realizes the internet mobile application that high-precision temperature measures, but its quartz-crystal by technological means of internet
Body, which is popped one's head between smart mobile phone, to be connected using low distribution capacity, low-impedance conducting wire.", drag a tail and smart mobile phone
Other functions between mutually have an impact, make troubles.
Solve the technical solution of its technical problem use：
The wearable high-precision body temperature transducer of the present invention takes the technology path entirely different with the prior art, provides one
Quartz crystal body temperature transducer on the basis of the wearable very high degree of precision time service by satellite navigation system of kind.
The wearable high-precision body temperature transducer of the present invention includes quartz crystal probe (1), satellite navigation system antenna
(2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging management system
(7) and silicon rubber casings and wearable attachment；Satellite navigation system antenna (2) receives satellite navigation system time signal, satellite
Navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；ASIC (4) is integrated with oscillator, high-speed counter, operation
Device, time mark generator, memory, display unit, Power Management Unit；Oscillator and quartz crystal probe (1) form quartz-crystal
Oscillation body device, exports sine wave, and the frequency of sine wave changes with the temperature of quartz crystal probe (1)；High-speed counter front end
Pulse shaper sine wave is converted to the spike pulse of same frequency, high-speed counter is in satellite navigation system module (3)
In time interval between the enabling nulse and shutdown pulse of offer, accurate measurement spike pulse number；To a specific quartz
Crystal probe (1), the spike pulse number are related to the quartz crystal probe temperature monodrome of (1)；It is specific there is this in memory
Spike pulse number --- the temperature curve of quartz crystal probe (1) shows real-time temperature and is through arithmetic element and display unit
When rate temperature change；Time mark generator is calendar time, is stepped in synchronization with high-precision pulse per second (PPS)；Temperature signal fills markers letter
Number and geographic location signal, after encryption, connect with smart mobile phone bi-directional data through Bluetooth chip (5) and Bluetooth antenna (6)；It can be with
The various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type are made, body different parts are measured
Accurate Temperature changing situation；High-resolution, height are shared by the APP and cloud database and other Internet users of smart mobile phone
The medical temperature signal of accuracy, high stability.
Advantageous effect of the invention：
Make this hair with the satellite time transfer signal substitution benchmark quartz oscillator with very high degree of precision being easily obtained
Bright wearable high-precision body temperature transducer can be controlled due to the error that time service precision introduces no more than 0.1PPM (PPM hundred
A ten thousandth)；
To a range be 32 DEG C to 43 DEG C satellite time transfer wearable high-precision body temperature transducer for time service
The error that precision introduces can be controlled no more than 0.009mK；
Make this hair with the satellite time transfer signal substitution benchmark quartz oscillator with very high degree of precision being easily obtained
The accuracy of bright wearable high-precision body temperature transducer reaches 1mK, and (nineteen sixty-eight international practical temperature scale uses standard platinum resistance temperature
Score degree is spent, indexing accuracy is better than 0.1mK)；
Quartz crystal probe (1) is directly connected to ASIC (4), and close to 0, helping to improve can wear for distribution capacity and impedance
Wear the measurement accuracy and stability of formula high-precision body temperature transducer；
Wearable high-precision body temperature transducer provides a kind of using the very high degree of precision time service of satellite navigation system as base
Accurate quartz crystal body temperature transducer may participate in the APP applications of various cloud medical treatment by smart mobile phone connected to it；
Wearable high-precision body temperature transducer can make armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps
The various forms such as formula, bra type measure the accurate Temperature changing situation of body different parts, support multimetering；
Wearable high-precision body temperature transducer is combined with artificial intelligence cloud medical treatment, can be prompted, a variety of diseases of early warning
Disease prevents communicable disease from spreading；
Wearable high-precision body temperature transducer has global positioning function, can trace the infectiousness of fever feature
Illness spread path and source, but have stringent protection to individual privacy.
(4) it illustrates：
Fig. 1 is the system diagram of wearable high-precision body temperature transducer.
In Fig. 1：
1 quartz crystal probe, 2 satellite navigation system antennas,
3 satellite navigation system modules, 4 ASIC,
5 Bluetooth chips, 6 Bluetooth antennas,
7 lithium batteries and charging system.
(5) specific implementation mode：
Embodiment 1：
The wearable high-precision using Beidou satellite navigation system for being 32 DEG C to 47 DEG C with a range in conjunction with Fig. 1
Illustrate the preferred embodiment for realizing invention for body temperature transducer (Big Dipper scheme).
The wearable high-precision body temperature transducer of the present invention includes quartz crystal probe (1), satellite navigation system antenna
(2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging management system
(7) and silicon rubber casings and wearable attachment；Satellite navigation system antenna (2) receives satellite navigation system time signal, satellite
Navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；ASIC (4) is integrated with oscillator, high-speed counter, operation
Device, time mark generator, memory, display unit, Power Management Unit；Oscillator and quartz crystal probe (1) form quartz-crystal
Oscillation body device, exports sine wave, and the frequency of sine wave changes with the temperature of quartz crystal probe (1)；High-speed counter front end
Pulse shaper sine wave is converted to the spike pulse of same frequency, high-speed counter is in satellite navigation system module (3)
In time interval between the enabling nulse and shutdown pulse of offer, accurate measurement spike pulse number；To a specific quartz
Crystal probe (1), the spike pulse number are related to the quartz crystal probe temperature monodrome of (1)；It is specific there is this in memory
Spike pulse number --- the temperature curve of quartz crystal probe (1) shows real-time temperature and is through arithmetic element and display unit
When rate temperature change；Time mark generator is calendar time, is stepped in synchronization with high-precision pulse per second (PPS)；Temperature signal fills markers letter
Number and geographic location signal, after encryption, connect with smart mobile phone bi-directional data through Bluetooth chip (5) and Bluetooth antenna (6)；It can be with
The various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type are made, body different parts are measured
Accurate Temperature changing situation；High-resolution, height are shared by the APP and cloud database and other Internet users of smart mobile phone
The medical temperature signal of accuracy, high stability.
Satellite navigation system antenna (2) in the present embodiment, is embodied as Beidou antenna；Satellite navigation system module (3)
In the present embodiment, it is embodied as big dipper module；
Because quartz crystal probe manufacture has certain dispersion, the quartz crystal probe of high precision applications, it is necessary to point
It is other that each quartz crystal probe is demarcated, and by quartz crystal pop one's head in (1) spike pulse number --- temperature curve is deposited
Enter the memory of (4) ASIC, the accuracy of calibration will determine the accuracy of quartz crystal probe (1).
Quartz crystal is popped one's head in (1) and the oscillator of ASIC (4) is directly connected to, and collectively constitutes high q-factor quartz oscillator,
Export sine wave.
The upper half wave conversion of sine wave is less than by the pulse shaper of the high-speed counter front end of ASIC (4) for width
The sharp pulse of 10ns, lower half-wave excision；High-speed counter counts the frequency that the sharp pulse number in 1s is quartz crystal probe (1)
Rate, the high-frequency count upper limit of high-speed counter are 100MHz, that is, face 100MHz sharp pulse sequence can accurate metering, providing
Time cycle in, one is few, and one is many.
The arithmetic unit of ASIC (4) is changed sharp pulse number by spike pulse number --- the temperature curve of quartz crystal probe (1)
It is temperature to calculate, along with the memory of deposit ASIC (4) after markers；Shown on the display unit of (4) ASIC real-time temperature DEG C,
Real-time temperature rate of change DEG C/min.
Beidou antenna receives big-dipper satellite time signal, and big dipper module exports high-precision pulse per second (PPS) to ASIC (4)；Pulse per second (PPS)
Width is less than 10ns.
Embodiment 2：
The wearable high-precision using GPS satellite navigation system for being 32 DEG C to 47 DEG C with a range in conjunction with Fig. 1
Illustrate the preferred embodiment for realizing invention for body temperature transducer (GPS solution).
The wearable high-precision body temperature transducer of the present invention includes quartz crystal probe (1), satellite navigation system antenna
(2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging management system
(7) and silicon rubber casings and wearable attachment；Satellite navigation system antenna (2) receives satellite navigation system time signal, satellite
Navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；ASIC (4) is integrated with oscillator, high-speed counter, operation
Device, time mark generator, memory, display unit, Power Management Unit；Oscillator and quartz crystal probe (1) form quartz-crystal
Oscillation body device, exports sine wave, and the frequency of sine wave changes with the temperature of quartz crystal probe (1)；High-speed counter front end
Pulse shaper sine wave is converted to the spike pulse of same frequency, high-speed counter is in satellite navigation system module (3)
In time interval between the enabling nulse and shutdown pulse of offer, accurate measurement spike pulse number；To a specific quartz
Crystal probe (1), the spike pulse number are related to the quartz crystal probe temperature monodrome of (1)；It is specific there is this in memory
Spike pulse number --- the temperature curve of quartz crystal probe (1) shows real-time temperature and is through arithmetic element and display unit
When rate temperature change；Time mark generator is calendar time, is stepped in synchronization with high-precision pulse per second (PPS)；Temperature signal fills markers letter
Number and geographic location signal, after encryption, connect with smart mobile phone bi-directional data through Bluetooth chip (5) and Bluetooth antenna (6)；It can be with
The various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type are made, body different parts are measured
Accurate Temperature changing situation；High-resolution, height are shared by the APP and cloud database and other Internet users of smart mobile phone
The medical temperature signal of accuracy, high stability.
Satellite navigation system antenna (2) in the present embodiment, is embodied as GPS antenna；Satellite navigation system module (3) exists
In the present embodiment, it is embodied as GPS module；
Because quartz crystal probe manufacture has certain dispersion, the quartz crystal probe of high precision applications, it is necessary to point
It is other that each quartz crystal probe is demarcated, and by quartz crystal pop one's head in (1) spike pulse number --- temperature curve is deposited
Enter the memory of (4) ASIC, the accuracy of calibration will determine the accuracy of quartz crystal probe (1).
Quartz crystal is popped one's head in (1) and the oscillator of ASIC (4) is directly connected to, and collectively constitutes high q-factor quartz oscillator,
Export sine wave.
The upper half wave conversion of sine wave is less than by the pulse shaper of the high-speed counter front end of ASIC (4) for width
The sharp pulse of 10ns, lower half-wave excision；High-speed counter counts the frequency that the sharp pulse number in 1s is quartz crystal probe (1)
Rate, the high-frequency count upper limit of high-speed counter are 100MHz, that is, face 100MHz sharp pulse sequence can accurate metering, providing
Time cycle in, one is few, and one is many.
The arithmetic unit of ASIC (4) is changed sharp pulse number by spike pulse number --- the temperature curve of quartz crystal probe (1)
It is temperature to calculate, along with the memory of deposit ASIC (4) after markers；Shown on the display unit of (4) ASIC real-time temperature DEG C,
Real-time temperature rate of change DEG C/min.
GPS antenna receives GPS satellite time signal, and GPS module exports high-precision pulse per second (PPS) to ASIC (4)；Pulse per second (PPS) is wide
Degree is less than 10ns.
Embodiment 3：
The wearable height using GLONASS satellite navigation system for being 32 DEG C to 47 DEG C with a range in conjunction with Fig. 1
Illustrate the preferred embodiment for realizing invention for precision body temperature transducer (GLONASS schemes).
The wearable high-precision body temperature transducer of the present invention includes quartz crystal probe (1), satellite navigation system antenna
(2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging management system
(7) and silicon rubber casings and wearable attachment；Satellite navigation system antenna (2) receives satellite navigation system time signal, satellite
Navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；ASIC (4) is integrated with oscillator, high-speed counter, operation
Device, time mark generator, memory, display unit, Power Management Unit；Oscillator and quartz crystal probe (1) form quartz-crystal
Oscillation body device, exports sine wave, and the frequency of sine wave changes with the temperature of quartz crystal probe (1)；High-speed counter front end
Pulse shaper sine wave is converted to the spike pulse of same frequency, high-speed counter is in satellite navigation system module (3)
In time interval between the enabling nulse and shutdown pulse of offer, accurate measurement spike pulse number；To a specific quartz
Crystal probe (1), the spike pulse number and the temperature list of quartz crystal probe (1) are directly related；It is specific there is this in memory
Spike pulse number --- the temperature curve of quartz crystal probe (1) shows real-time temperature and is through arithmetic element and display unit
When rate temperature change；Time mark generator is calendar time, is stepped in synchronization with high-precision pulse per second (PPS)；Temperature signal fills markers letter
Number and geographic location signal, after encryption, connect with smart mobile phone bi-directional data through Bluetooth chip (5) and Bluetooth antenna (6)；It can be with
The various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type are made, body different parts are measured
Accurate Temperature changing situation；High-resolution, height are shared by the APP and cloud database and other Internet users of smart mobile phone
The medical temperature signal of accuracy, high stability.
Satellite navigation system antenna (2) in the present embodiment, is embodied as GLONASS antennas；Satellite navigation system module
(3) in the present embodiment, GLONASS modules are embodied as；
Because quartz crystal probe manufacture has certain dispersion, the quartz crystal probe of high precision applications, it is necessary to point
It is other that each quartz crystal probe is demarcated, and by quartz crystal pop one's head in (1) spike pulse number --- temperature curve is deposited
Enter the memory of (4) ASIC, the accuracy of calibration will determine the accuracy of quartz crystal probe (1).
Quartz crystal is popped one's head in (1) and the oscillator of ASIC (4) is directly connected to, and collectively constitutes high q-factor quartz oscillator,
Export sine wave.
The upper half wave conversion of sine wave is less than by the pulse shaper of the high-speed counter front end of ASIC (4) for width
The sharp pulse of 10ns, lower half-wave excision；High-speed counter counts the frequency that the sharp pulse number in 1s is quartz crystal probe (1)
Rate, the high-frequency count upper limit of high-speed counter are 100MHz, that is, face 100MHz sharp pulse sequence can accurate metering, providing
Time cycle in, one is few, and one is many.
The arithmetic unit of ASIC (4) is changed sharp pulse number by spike pulse number --- the temperature curve of quartz crystal probe (1)
It is temperature to calculate, along with the memory of deposit ASIC (4) after markers；Shown on the display unit of (4) ASIC real-time temperature DEG C,
Real-time temperature rate of change DEG C/min.
Beidou antenna receives big-dipper satellite time signal, and big dipper module exports high-precision pulse per second (PPS) to ASIC (4)；Pulse per second (PPS)
Width is less than 10ns.
Claims (5)
1. a kind of wearable high-precision body temperature transducer, it is characterised in that：Including quartz crystal probe (1), satellite navigation system
System antenna (2), satellite navigation system module (3), ASIC (4), Bluetooth chip (5), Bluetooth antenna (6), lithium battery and charging valve
Reason system (7) and silicon rubber casings and wearable attachment；Satellite navigation system antenna (2) receives satellite navigation system time service letter
Number, satellite navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；ASIC (4) is integrated with oscillator, high-speed counting
Device, arithmetic unit, time mark generator, memory, display unit, Power Management Unit；Oscillator and quartz crystal probe (1) composition
Quartz oscillator, exports sine wave, and the frequency of sine wave changes with the temperature of quartz crystal probe (1)；High-speed counting
Sine wave is converted to the spike pulse of same frequency by the pulse shaper of device front end, and high-speed counter is in satellite navigation system mould
In time interval between the enabling nulse that block (3) provides and shutdown pulse, accurate measurement spike pulse number；It is specific to one
Quartz crystal is popped one's head in (1), and the spike pulse number is related to the quartz crystal probe temperature monodrome of (1)；There is the spy in memory
Spike pulse number --- the temperature curve of fixed quartz crystal probe (1) shows real-time temperature through arithmetic element and display unit
And real-time temperature rate of change；Time mark generator is calendar time, is stepped in synchronization with high-precision pulse per second (PPS)；When temperature signal fills
Signal and geographic location signal are marked, after encryption, is connect with smart mobile phone bi-directional data through Bluetooth chip (5) and Bluetooth antenna (6)；
The various forms such as armband formula, Wrist belt-type, baseball hat type, Sinciput strap type, foot straps formula, bra type can be made, body difference portion is measured
The accurate Temperature changing situation of position；High-resolution is shared by the APP and cloud database and other Internet users of smart mobile phone
The medical temperature signal of rate, pinpoint accuracy, high stability.
2. wearable high-precision body temperature transducer according to claim 1, it is characterized in that the quartz crystal probe
(1) oscillator with ASIC (4) is directly connected to, and collectively constitutes high q-factor quartz oscillator, exports sine wave；Because quartzy
Crystal probe manufacture has certain dispersion, the quartz crystal probe of high precision applications, it is necessary to respectively to each quartz-crystal
Body probe is demarcated, and by the spike pulse number of quartz crystal probe (1) --- temperature curve is stored in the storage of ASIC (4)
Device, the accuracy of calibration will determine the accuracy of quartz crystal probe (1).
3. wearable high-precision body temperature transducer according to claim 1, it is characterized in that the high speed of the ASIC (4)
The pulse shaper of counter front end cuts the sharp pulse that the upper half wave conversion of sine wave is that width is less than 10ns, lower half-wave
It removes；High-speed counter counts the frequency that the sharp pulse number in 1s is quartz crystal probe (1), the high-frequency count of high-speed counter
The upper limit is 100MHz, that is, face 100MHz sharp pulse sequence can accurate metering, within the defined time cycle, one is few,
One many.
4. wearable high-precision body temperature transducer according to claim 1, it is characterized in that the operation of the ASIC (4)
Sharp pulse number is scaled temperature by device by spike pulse number --- the temperature curve of quartz crystal probe (1), along with after markers
It is stored in the memory of ASIC (4)；Shown on the display unit of (4) ASIC real-time temperature DEG C, real-time temperature rate of change DEG C/
min。
5. wearable high-precision body temperature transducer according to claim 1, it is characterized in that the satellite navigation system
Antenna (2) receives satellite navigation system time signal, and satellite navigation system module (3) exports high-precision pulse per second (PPS) to ASIC (4)；
Pulse per second (PPS) width is less than 10ns.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341128.2A CN108593134B (en) | 2018-04-17 | 2018-04-17 | Wearable high-precision body temperature sensor |
| PCT/CN2019/000069 WO2019200973A1 (en) | 2018-04-17 | 2019-04-16 | Wearable high-precision body temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341128.2A CN108593134B (en) | 2018-04-17 | 2018-04-17 | Wearable high-precision body temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593134A true CN108593134A (en) | 2018-09-28 |
| CN108593134B CN108593134B (en) | 2023-01-10 |
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ID=63623004
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810341128.2A Active CN108593134B (en) | 2018-04-17 | 2018-04-17 | Wearable high-precision body temperature sensor |
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| Country | Link |
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| CN (1) | CN108593134B (en) |
| WO (1) | WO2019200973A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019200973A1 (en) * | 2018-04-17 | 2019-10-24 | 章礼道 | Wearable high-precision body temperature sensor |
| CN111163110A (en) * | 2020-02-17 | 2020-05-15 | 深圳市刷新智能电子有限公司 | Body temperature centralized monitoring system based on wearable body temperature sensor |
| CN112268634A (en) * | 2020-10-22 | 2021-01-26 | 北京小米移动软件有限公司 | Temperature monitoring method and device and storage medium |
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Also Published As
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| WO2019200973A1 (en) | 2019-10-24 |
| CN108593134B (en) | 2023-01-10 |
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