CN107144366A - Temperature patch and system for detecting temperature - Google Patents
Temperature patch and system for detecting temperature Download PDFInfo
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- CN107144366A CN107144366A CN201710534149.1A CN201710534149A CN107144366A CN 107144366 A CN107144366 A CN 107144366A CN 201710534149 A CN201710534149 A CN 201710534149A CN 107144366 A CN107144366 A CN 107144366A
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- 239000000758 substrate Substances 0.000 claims abstract description 44
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 44
- 239000011241 protective layer Substances 0.000 claims description 17
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 26
- 229910052753 mercury Inorganic materials 0.000 abstract description 26
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 10
- 206010011409 Cross infection Diseases 0.000 abstract description 7
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000036760 body temperature Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 208000015181 infectious disease Diseases 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0008—Temperature signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
-
- 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
- G01K13/20—Clinical contact thermometers for use with humans or animals
Abstract
The embodiment of the present application provides a kind of temperature patch, including substrate；Aerial coil, the aerial coil directly with the substrate contact；Chip, is connected with the aerial coil；The chip includes temperature sensor and the temperature measurement circuit electrically connected with the temperature sensor, and the temperature sensor is used to the temperature signal monitored being converted into electric signal, and the electric signal is sent into temperature measurement circuit；The temperature measurement circuit is used to the electric signal being converted into data signal, and the data signal is sent into aerial coil.The technical scheme that the embodiment of the present application is provided can complete contactless temperature detection, and simple in construction, cost is small, can substitute mercury clinical thermometer and carry out measurement of bldy temperature, it is to avoid mercury pollution.The temperature patch that the application is provided is also applied in for example discontinuous thermometric, the application scenarios of single thermometric, can avoid cross-infection.
Description
Technical field
The invention relates to field of medical article technology, more particularly to a kind of temperature patch and system for detecting temperature.
Background technology
The conventional method of current measurement of bldy temperature has oral cavity mensuration, oxter mensuration etc..The thermometer measured for oral cavity
Oral thermometer is, the thermometer for oxter measurement is armpit table.But oral thermometer and armpit table are usually mercurial thermometer, and time of measuring is longer,
The medical personnel basis work amount of doing is big, can only obtain discrete data, mercury clinical thermometer is easily caused in measurement and operating process
It is broken, damaged to personnel, cause mercury pollution.
On October 10th, 2013, " diplomatic conference of mercury treaty " sponsored by United Nations Environment Programme is in Kumamoto, Japan city table
Certainly pass through and be intended to control and reduce global mercury emissions《Minamata pact on mercury》.According to the agreement of Minamata pact, China
The production and import by aqueous silver products are completely forbidden are played in the year two thousand twenty, that is to say, that the latest will be complete to the year two thousand twenty mercury clinical thermometer
Portion faces stopping production.
At the same time, required according to the management of current national infection control, in order to which the cross-infection reduced between patient is asked
Topic, avoids the reuse with patient contacting portions as far as possible, therefore the mercury clinical thermometer of original reuse is also encountered in clinic
Very big challenge, therefore, mercury body temperature is substituted in the urgent need to a kind of thermometric product that can avoid cross-infection and mercury pollution
Meter.
The content of the invention
The embodiment of the present application provides a kind of temperature patch, can substitute mercury clinical thermometer and carry out measurement of bldy temperature, can avoid
Cross-infection and mercury pollution.
In a first aspect, the embodiment of the present application provides a kind of temperature patch, including：
Substrate；
Aerial coil, the aerial coil directly with the substrate contact；
Chip, is electrically connected with the aerial coil；
The chip includes temperature sensor and the temperature measurement circuit electrically connected with the temperature sensor, the TEMP
Device is used to the temperature signal monitored being converted into electric signal, and the electric signal is sent into temperature measurement circuit；The thermometric electricity
Road is used to the electric signal being converted into data signal, and the data signal is sent into aerial coil；The aerial coil
For sending the data signal received.
Second aspect, the embodiment of the present application provides a kind of system for detecting temperature, including temperature receptacle and and temperature reception
The temperature patch of device connection, the temperature patch includes：
Substrate；
Aerial coil, the aerial coil directly with the substrate contact；
Chip, is connected with the aerial coil；
The chip includes temperature sensor and the temperature measurement circuit electrically connected with the temperature sensor, the TEMP
Device is used to the temperature signal monitored being converted into electric signal, and the electric signal is sent into temperature measurement circuit；The thermometric electricity
Road is used to the electric signal being converted into data signal, and the data signal is sent into aerial coil；The aerial coil
For sending the data signal received；
The temperature receptacle is used for the data signal that receiving antenna coil is sent.
The technical scheme that the embodiment of the present application is provided can complete contactless temperature detection, and simple in construction, cost is small,
Mercury clinical thermometer can be substituted and carry out measurement of bldy temperature, it is to avoid mercury pollution.The temperature patch that the application is provided is also applied to example
As in discontinuous thermometric, the application scenarios of single thermometric, cross-infection can be avoided.Compare for mercury clinical thermometer, be free of
Mercury material, while soft texture, pleasant during wearing.Compare the bluetooth clinical thermometer occurred in recent years and nearly hundreds of
The cost of member, the body temperature paster that the embodiment of the present application is provided is with low cost, it is only necessary to which several members even several members of zero point can just be manufactured
Complete, be very suitable for disposable, so as to effectively be used in hospital, reach the purpose of effectively infection control.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this Shens
Some embodiments please, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
The temperature patch schematic top plan view that Figure 1A provides for some embodiments of the application；
Figure 1B is temperature patch a side structure schematic diagrams shown in Figure 1A；
Fig. 1 C are temperature patch b side schematic views shown in Figure 1A；
The temperature measurement circuit figure that Fig. 2 provides for some embodiments of the application；
Another temperature patch side structure schematic diagram that Fig. 3 provides for some embodiments of the application；
Another temperature patch side structure schematic diagram that Fig. 4 provides for some embodiments of the application；
The another temperature patch side structure schematic diagram that Fig. 5 provides for some embodiments of the application；
The system for detecting temperature structural representation that Fig. 6 provides for some embodiments of the application.
Label declaration：
101- substrates, 1011- substrate surfaces, 1012- substrate floors；
102- chips；
103- aerial coils；
104- conductive connectings；
105- insulating layers；
106- protective layers.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of the application protection.
Figure 1A to Fig. 1 C is referred to, the temperature patch that some embodiments of the application are provided, including substrate 101, core is shown
Piece 102, aerial coil 103；One side of the aerial coil 103 directly with substrate 101 is contacted, optionally, and aerial coil 103 is printed
In substrate surface 1011；Chip 102 is electrically connected with aerial coil 103, optionally, and chip passes through conductive connecting 104 and antenna
Coil 103 is connected, in a certain optional embodiment, and conductive connecting 104 is metal contact wires such as copper connecting line, aluminum
Connecting line etc., conductive connecting 104 can be provided with solder joint, and chip 102 is welded on solder joint.Wherein, substrate can be flexibility
Material, can specifically be but not limited to PVC material, polyimides or PET (PET), due to flexible material
With softness, it may be such that human body skin and the tightness degree of fitting of the wireless temperature paster are more preferable, reduce human action process
In to the extruding stress of temperature patch, temperature patch is difficult for drop-off.Chip 102 include temperature sensor and with the TEMP
The temperature measurement circuit of device electrical connection, the temperature sensor is used to the temperature signal monitored being converted into electric signal, and will be described
Electric signal is sent to temperature measurement circuit；The temperature measurement circuit is used to the electric signal being converted into data signal, and by the numeral
Signal is sent to aerial coil 103.When aerial coil 103 receives the radiofrequency signal of external receiver transmitting, aerial coil
103 as chip 102 antenna, transmit the data signal.
Specifically, producing electric current when aerial coil 103 receives the radiofrequency signal of external receiver transmitting as chip
Power supply, the temperature signal monitored is converted into electric signal and sends temperature measurement circuit, thermometric electricity to by the temperature sensor of chip 102
Road converts electrical signals to data-signal and sends aerial coil 103 to, and the data signal received is sent to by aerial coil 103
External receiver.Optionally, aerial coil 103 is built with external receiver using near field communication protocols or non-contact radio-frequency identification
Vertical data transmission channel.
Optionally, as shown in Fig. 2 temperature measurement circuit includes reference circuit, the second voltage controlled oscillator, vibration breaking circuit, meter
Number device control circuit, counter, VBE generation circuits, the first voltage controlled oscillator and frequency divider.Wherein, the electric current of reference circuit is defeated
Go out IREFIt is connected respectively with VBE generation circuits, the first voltage controlled oscillator and the second voltage controlled oscillator, voltage output VREFWith the second pressure
Controlled oscillator is connected；The output V of VBE generation circuitsBEIt is connected with the first voltage controlled oscillator；The input of first voltage controlled oscillator with it is outer
Portion enables signal EN connections, and output Ten is connected with frequency divider；The input of second voltage controlled oscillator connects with the outside signal EN that enables
Connect, output TCLK is connected with counter；The output TEN of frequency divider respectively with counter, oscillator breaking circuit and counter control
Circuit connection processed；The input of oscillator breaking circuit is connected with outside Reset signals, and output Vstop voltage-controlled shakes with first respectively
Swing device and the connection of the second voltage controlled oscillator；The input of counter controling circuit is connected with outside Reset signals, exports Control
It is connected respectively with counter and VBE generation circuits；The output N of counter exports for integrated circuit.
The operation principle of temperature measurement circuit is as follows：After upper electricity, counter O reset.Reference circuit provides one for VBE generation circuits
Individual size is 50nA reference current, while providing the voltage V that a temperature coefficient is 15ppm for the first voltage controlled oscillatorREF,
Control the first voltage controlled oscillator to work, produce a clock signal TCLK to counter.Due to VREFOnly and temperature has relation, it is warm
Degree coefficient is 15ppm, therefore VREFWhen changing, i.e., temperature is changed, by measuring VREFComplete the survey of temperature
Amount.Actually in the present embodiment, VREFIt is exactly temperature sensor, VREFReality output and ideal value VREFDeviation be exactly temperature
Spend the output electric signal of sensor.VBE generation circuits utilize electric current border technology, produce 250nA electric current IE1, the electric current stream
Enter a triode, produce output voltage VBE1, it is used as control voltage of first voltage controlled oscillator in first time counting operation.
Exporting for first voltage controlled oscillator produces an enable signal TEN to counter after frequency divider is divided.Do not have in TEN trailing edges
Have before arrival, counter controling circuit is output as low level, control counter does increased operation, when TEN signals are changed into high
During level, counter starts to count signal TCLK, when TEN signals are changed into low level, and counter stops counting, and keeps counting
Value.Counter controling circuit output is changed into high level, and the operation of control counter is changed into subtraction operation, meanwhile, VBE generation circuits
Control 50nA electric current IE2A triode is flowed into, output voltage V is producedBE2As the first voltage controlled oscillator at second
Control voltage in counting operation.When TEN is changed into high level again, counter is counted to signal TCLK, on initial value is
The result of secondary counting, operation becomes subtraction operation.When TEN is changed into low level again, counter stops counting, oscillator shut-off electricity
Road produces a signal Vstop, for turning off the second voltage controlled oscillator and the first voltage controlled oscillator, counter output result feeding
Aerial coil 103.
Above-mentioned temperature measurement circuit is due to provided with oscillator breaking circuit, making temperature measurement circuit only carry out a temperature after power-up
The operation of detection, make oscillator be stopped afterwards, it is to avoid repeat count, also saves power consumption.Further, since using two
Completely identical in structure voltage controlled oscillator, improves the anti-process fluctuation performance of temperature measurement circuit.
The temperature patch that the embodiment of the present application is provided can complete contactless temperature detection, and simple in construction, cost is small,
Mercury clinical thermometer can be substituted and carry out measurement of bldy temperature, it is to avoid mercury pollution.The temperature patch that the embodiment of the present application is provided can also be answered
Use in for example discontinuous thermometric, the application scenarios of single thermometric, cross-infection can be avoided.It should be appreciated that the application
The temperature patch that embodiment is provided is also applied in the application scenarios of continuous temperature measurement, is repeated and is utilized, and is reduced and is wasted.Compare
For mercury clinical thermometer, not mercurous material, while soft texture, pleasant during wearing.Compare in recent years and occur
Bluetooth clinical thermometer and nearly hundreds of yuan of cost, the embodiment of the present application provide body temperature paster it is with low cost, it is only necessary to several members
Even several members of zero point can just manufacture completion, be very suitable for disposable, so as to effectively be used in hospital, reaching has
The purpose of effect ground infection control.
In some embodiments of above-described embodiment, the length of the conductive connecting 104 is not shorter than preset length, described
Preset length can specifically be set as needed.Optionally, the preset length can be 1cm.When temperature patch is used for oxter
Carry out temperature detection when, be not less than 1cm conductive connecting 104 be designed to make chip 102 be placed on below armpit detect
Temperature and aerial coil 103 are placed on outside arm, and aerial coil 103 will not be blocked when transmitting data by arm, be improved
The efficiency of transmission and transmission range of aerial coil 103.
When the temperature patch that the embodiment of the present application is provided is used for carrying out armpit temperature measurement, the one side of chip 102 is pressed close to
Tested position.Because the material of substrate is generally very thin, about 0.2mm is thick, and the one side of chip 102 (presses close to tested position
The heat of human body simultaneously) is detected, one side (away from tested position while) is being radiated by substrate 101 in addition, then in arm
When opening, test obtains human body armpit temperature can be less than actual armpit temperature value, so the temperature measured is inaccurate.Therefore above-mentioned
In some embodiments of embodiment, applicant is made that further improvement, referring to Fig. 3, the temperature that the embodiment of the present application is provided
Paster also includes being used to reduce the insulating layer 105 of radiating, optionally, and placing one layer in substrate floor 1012 is used to reduce radiating
Insulating layer 105, now substrate surface 1012 press close to tested position.The insulating layer 105 can be flexible material, the flexible material
It can be, but not limited to as PVC material, polyimides or PET (PET) or foam.It should be appreciated that working as
When substrate floor 1012 presses close to tested position, the insulating layer 105 is located at substrate surface 1011.
In some embodiments of above-described embodiment, the position for setting chip in the substrate sets the insulating layer.Can
Choosing, the area of the insulating layer 105 can cover the face that the chip 102, the i.e. area of insulating layer 105 are more than chip 102
Product.Radiating can be so reduced to greatest extent.Optionally, the area of insulating layer 105 is not less than 25*50mm2, it is specifically as follows
25*50mm2.Optionally, the thickness of insulating layer is 1.0mm-3.0mm, is specifically as follows 1.6mm.By many experiments, using upper
Test temperature and the reduction of actual temperature deviation can be ensured by stating insulating layer, can be with when the insulating layer using above-mentioned thickness and area
Ensure within 0.2 DEG C of test temperature and actual temperature deviation, otherwise, temperature deviation can arrive 0.5-2 DEG C, basically can not be anti-
Answer the real body temperature of human body.There are insulating layer, the temperature experimental data without insulating layer measurement as shown in the table.
It should be appreciated that the meaning of insulating layer thickness is that thickness is thicker, test temperature value is more possibly close to reality
Border body temperature, therefore, in the optional scope of insulating layer thickness, according to different wearing demands or testing requirement set it is different every
Warm thickness degree.
Referring to Fig. 4, in some embodiments of above-described embodiment, temperature patch also includes protective layer 106, can be located at substrate
Top surface 1011 or substrate floor 1012, optionally, protective layer 106 are directly contacted with aerial coil 103, and coated are pressed in substrate top
Face 1011.Wherein, protective layer 106, which has, can make the through hole that chip 102 passes through, and substrate surface is pressed in when protective layer 106 is coated
After 1011, chip 102 exposes from the through hole, optionally, shape of through holes and the shape adaptation of chip 102.Applying the application
When the temperature patch that embodiment is provided carries out thermometric, protective layer 106 can prevent aerial coil to be worn away.
Referring to Fig. 5, in some embodiments of above-described embodiment, temperature patch includes insulating layer 105 and protective layer
106.The technique effect and other parameter settings of insulating layer 105 and protective layer 106 see above, will not be repeated here.
Referring to Fig. 6, some embodiments of the application provide a kind of system for detecting temperature, including temperature receptacle 20 and temperature
Paster, the temperature receptacle 20 is used for the data signal that receiving antenna coil is sent.Optionally, the temperature receptacle 20 is wrapped
Radio circuit 201, digital processing element 202 and display unit 203 are included, the digital processing element 202 is used to control radio frequency electrical
Electromagnetic wave is launched on road 201, and the radio circuit 201 is used for the data signal that receiving antenna coil is transmitted, the digital processing list
Member 202 be additionally operable to receive radio circuit 201 transmission data-signal after control display unit 203 show corresponding data and
Information.
Figure 1A to Fig. 1 C is please referred to, the temperature patch that some embodiments of the application are provided, including substrate is shown
101st, chip 102, aerial coil 103；One side of the aerial coil 103 directly with substrate 101 is contacted, optionally, aerial coil 103
It is printed on substrate surface 1011；Chip 102 is electrically connected with aerial coil 103, optionally, and chip passes through conductive connecting 104
It is connected with aerial coil 103, in a certain optional embodiment, conductive connecting 104 is that metal contact wires such as copper is connected
Line, aluminum connecting line etc., conductive connecting 104 can be provided with solder joint, and chip 102 is welded on solder joint.Wherein, substrate can be with
For flexible material, PVC material, polyimides or PET (PET) can be specifically but not limited to, due to soft
Property material there is softness, may be such that human body skin and the wireless temperature paster fits tightness degree more preferably, reduces human body and moves
To the extruding stress of temperature patch during work, temperature patch is difficult for drop-off.Chip 102 include temperature sensor and with the temperature
The temperature measurement circuit of sensor electrical connection is spent, the temperature sensor is used to the temperature signal monitored being converted into electric signal, and
The electric signal is sent to temperature measurement circuit；The temperature measurement circuit is used to the electric signal being converted into data signal, and by institute
State data signal and be sent to aerial coil 103.When aerial coil 103 receives the radiofrequency signal of external receiver transmitting, day
Line coil 103 transmits the data signal as the antenna of chip 102.
Specifically, producing electric current when aerial coil 103 receives the radiofrequency signal of external receiver transmitting as chip
Power supply, the temperature signal monitored is converted into electric signal and sends temperature measurement circuit, thermometric electricity to by the temperature sensor of chip 102
Road converts electrical signals to data-signal and sends aerial coil 103 to, and the data signal received is sent to by aerial coil 103
External receiver.Optionally, aerial coil 103 is built with external receiver using near field communication protocols or non-contact radio-frequency identification
Vertical data transmission channel.
Optionally, as shown in Fig. 2 temperature measurement circuit includes reference circuit, the second voltage controlled oscillator, vibration breaking circuit, meter
Number device control circuit, counter, VBE generation circuits, the first voltage controlled oscillator and frequency divider.Wherein, the electric current of reference circuit is defeated
Go out IREFIt is connected respectively with VBE generation circuits, the first voltage controlled oscillator and the second voltage controlled oscillator, voltage output VREFWith the second pressure
Controlled oscillator is connected；The output V of VBE generation circuitsBEIt is connected with the first voltage controlled oscillator；The input of first voltage controlled oscillator with it is outer
Portion enables signal EN connections, and output Ten is connected with frequency divider；The input of second voltage controlled oscillator connects with the outside signal EN that enables
Connect, output TCLK is connected with counter；The output TEN of frequency divider respectively with counter, oscillator breaking circuit and counter control
Circuit connection processed；The input of oscillator breaking circuit is connected with outside Reset signals, and output Vstop voltage-controlled shakes with first respectively
Swing device and the connection of the second voltage controlled oscillator；The input of counter controling circuit is connected with outside Reset signals, exports Control
It is connected respectively with counter and VBE generation circuits；The output N of counter exports for integrated circuit.
The operation principle of temperature measurement circuit is as follows：After upper electricity, counter O reset.Reference circuit provides one for VBE generation circuits
Individual size is 50nA reference current, while providing the voltage V that a temperature coefficient is 15ppm for the first voltage controlled oscillatorREF,
Control the first voltage controlled oscillator to work, produce a clock signal TCLK to counter.Due to VREFOnly and temperature has relation, it is warm
Degree coefficient is 15ppm, therefore VREFWhen changing, i.e., temperature is changed, by measuring VREFComplete the survey of temperature
Amount.Actually in the present embodiment, VREFIt is exactly temperature sensor, VREFReality output and ideal value VREFDeviation be exactly temperature
Spend the output electric signal of sensor.VBE generation circuits utilize electric current border technology, produce 250nA electric current IE1, the electric current stream
Enter a triode, produce output voltage VBE1, it is used as control voltage of first voltage controlled oscillator in first time counting operation.
Exporting for first voltage controlled oscillator produces an enable signal TEN to counter after frequency divider is divided.Do not have in TEN trailing edges
Have before arrival, counter controling circuit is output as low level, control counter does increased operation, when TEN signals are changed into high
During level, counter starts to count signal TCLK, when TEN signals are changed into low level, and counter stops counting, and keeps counting
Value.Counter controling circuit output is changed into high level, and the operation of control counter is changed into subtraction operation, meanwhile, VBE generation circuits
Control 50nA electric current IE2A triode is flowed into, output voltage V is producedBE2As the first voltage controlled oscillator at second
Control voltage in counting operation.When TEN is changed into high level again, counter is counted to signal TCLK, on initial value is
The result of secondary counting, operation becomes subtraction operation.When TEN is changed into low level again, counter stops counting, oscillator shut-off electricity
Road produces a signal Vstop, for turning off the second voltage controlled oscillator and the first voltage controlled oscillator, counter output result feeding
Aerial coil 103.
Above-mentioned temperature measurement circuit is due to provided with oscillator breaking circuit, making temperature measurement circuit only carry out a temperature after power-up
The operation of detection, make oscillator be stopped afterwards, it is to avoid repeat count, also saves power consumption.Further, since using two
Completely identical in structure voltage controlled oscillator, improves the anti-process fluctuation performance of temperature measurement circuit.
The temperature patch that the embodiment of the present application is provided can complete contactless temperature detection, and simple in construction, cost is small,
Mercury clinical thermometer can be substituted and carry out measurement of bldy temperature, it is to avoid mercury pollution.The temperature patch that the embodiment of the present application is provided can also be answered
Use in for example discontinuous thermometric, the application scenarios of single thermometric, cross-infection can be avoided.It should be appreciated that the application
The temperature patch that embodiment is provided is also applied in the application scenarios of continuous temperature measurement, is repeated and is utilized, and is reduced and is wasted.Compare
For mercury clinical thermometer, not mercurous material, while soft texture, pleasant during wearing.Compare in recent years and occur
Bluetooth clinical thermometer and nearly hundreds of yuan of cost, the embodiment of the present application provide body temperature paster it is with low cost, it is only necessary to several members
Even several members of zero point can just manufacture completion, be very suitable for disposable, so as to effectively be used in hospital, reaching has
The purpose of effect ground infection control.
In some embodiments of above-described embodiment, the length of the conductive connecting is not shorter than preset length, described pre-
If length can specifically be set as needed.Optionally, the preset length can be 1cm.Enter when temperature patch is used for oxter
When trip temperature is detected, be not less than 1cm conductive connecting be designed to make chip 102 be placed on detection temperature below armpit and
Aerial coil 103 is placed on outside arm, and aerial coil 103 will not be blocked when transmitting data by arm, improve antenna line
The efficiency of transmission and transmission range of circle 103.
When the temperature patch that the embodiment of the present application is provided is used for carrying out armpit temperature measurement, the one side of chip 102 is pressed close to
Tested position.Because the material of substrate is generally very thin, about 0.2mm is thick, and the one side of chip 102 (presses close to tested position
The heat of human body simultaneously) is detected, one side (away from tested position while) is being radiated by substrate 101 in addition, then in arm
When opening, test obtains human body armpit temperature can be less than actual armpit temperature value, so the temperature measured is inaccurate.Therefore above-mentioned
In some embodiments of embodiment, applicant has made further improvement, referring to Fig. 3, the temperature that the embodiment of the present application is provided
Paster also includes being used to reduce the insulating layer 105 of radiating, optionally, and placing one layer in substrate floor 1012 is used to reduce radiating
Insulating layer 105, now substrate surface 1012 press close to tested position.The insulating layer 105 can be flexible material, the flexible material
It can be, but not limited to as PVC material, polyimides or PET (PET) or foam.It should be appreciated that working as
When substrate floor 1012 presses close to tested position, the insulating layer 105 is located at substrate surface 1011.
In some embodiments of above-described embodiment, the position for setting chip in the substrate sets the insulating layer.Can
Choosing, the area of the insulating layer 105 can cover the face that the chip 102, the i.e. area of insulating layer 105 are more than chip 102
Product.Radiating can be so reduced to greatest extent.Optionally, the area of insulating layer 105 is not less than 25*50mm2, it is specifically as follows
25*50mm2.Optionally, the thickness of insulating layer is 1.0mm-3.0mm, is specifically as follows 1.6mm.By many experiments, using upper
Test temperature and the reduction of actual temperature deviation can be ensured by stating insulating layer, can be with when the insulating layer using above-mentioned thickness and area
Ensure within 0.2 DEG C of test temperature and actual temperature deviation, otherwise, temperature deviation can arrive 0.5-2 DEG C, basically can not be anti-
Answer the real body temperature of human body.There are insulating layer, the temperature experimental data without insulating layer measurement as shown in the table.
It should be appreciated that the meaning of insulating layer thickness is that thickness is thicker, test temperature value is more possibly close to reality
Border body temperature, therefore, in the optional scope of insulating layer thickness, according to different wearing demands or testing requirement set it is different every
Warm thickness degree.
Referring to Fig. 4, in some embodiments of above-described embodiment, temperature patch also includes protective layer 106, can be located at substrate
Top surface 1011 or substrate floor 1012, optionally, protective layer 106 are directly contacted with aerial coil 103, and coated are pressed in substrate top
Face 1011.Wherein, protective layer 106, which has, can make the through hole that chip 102 passes through, and substrate surface is pressed in when protective layer 106 is coated
After 1011, chip 102 exposes from the through hole, optionally, shape of through holes and the shape adaptation of chip 102.Applying the application
When the temperature patch that embodiment is provided carries out thermometric, protective layer 106 can prevent aerial coil to be worn away.
Referring to Fig. 5, in some embodiments of above-described embodiment, temperature patch includes insulating layer 105 and protective layer
106.The technique effect and other parameter settings of insulating layer 105 and protective layer 106 see above, will not be repeated here.
In summary, the embodiment of the present application can reach following technique effect：
The technical scheme that some embodiments of the application are provided can complete contactless temperature detection, simple in construction, into
This is small, can substitute mercury clinical thermometer and carry out measurement of bldy temperature, it is to avoid mercury pollution.Compare for mercury clinical thermometer, not mercurous material
Matter, while soft texture, pleasant during wearing.Compare the bluetooth clinical thermometer occurred in recent years and nearly hundreds of yuan
Cost, the technical scheme that the embodiment of the present application is provided is with low cost, it is only necessary to which several members even several members of zero point can just manufacture completion,
It is very suitable for disposable, so as to effectively be used in hospital, reaches the purpose of effectively infection control.
The some embodiments of the application be not less than the conductive connecting of preset length be designed to chip is placed on armpit
Detection temperature and aerial coil are placed on outside arm below, and aerial coil will not be blocked when transmitting data by arm, be improved
The efficiency of transmission and transmission range of aerial coil.
The some embodiments of the application also include the insulating layer of reduction radiating, improve the accuracy of final dut temperature.
The some embodiments of the application also include the protective layer that can prevent that aerial coil is worn away.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Order is to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：Above example is only to the technical scheme for illustrating the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from each embodiment technical scheme of the application spirit and
Scope.
Claims (10)
1. a kind of temperature patch, it is characterised in that including：
Substrate；
Aerial coil, the aerial coil directly with the substrate contact；
Chip, is electrically connected with the aerial coil；
The chip includes temperature sensor and the temperature measurement circuit electrically connected with the temperature sensor, and the temperature sensor is used
In the temperature signal monitored is converted into electric signal, and the electric signal is sent to temperature measurement circuit；The temperature measurement circuit is used
In the electric signal is converted into data signal, and the data signal is sent to aerial coil；The aerial coil is used for
Send the data signal received.
2. temperature patch according to claim 1, it is characterised in that the chip passes through conductive connecting and the antenna
Coil is electrically connected.
3. temperature patch according to claim 2, it is characterised in that the length of the conductive connecting is not shorter than default length
Degree.
4. temperature patch according to claim 1, it is characterised in that described also including for reducing the insulating layer of radiating
Insulating layer is located at substrate surface or located at substrate floor.
5. temperature patch according to claim 4, it is characterised in that set the position of chip to set described in the substrate
Insulating layer.
6. temperature patch according to claim 4, it is characterised in that the area of the insulating layer can cover the core
Piece.
7. temperature patch according to claim 6, it is characterised in that the area of the insulating layer is not less than 25*50mm2。
8. temperature patch according to claim 4, it is characterised in that the thickness of the insulating layer be 1.0~1.6mm and
1.6~3.0mm.
9. temperature patch according to claim 1, it is characterised in that also include the protective layer of direct Contact antenna coil.
10. a kind of system for detecting temperature, it is characterised in that including the temperature patch as described in claim 1 to 9 is any and with institute
The temperature receptacle of temperature patch connection is stated, the temperature receptacle is used for the data signal that receiving antenna coil is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534149.1A CN107144366A (en) | 2017-07-03 | 2017-07-03 | Temperature patch and system for detecting temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534149.1A CN107144366A (en) | 2017-07-03 | 2017-07-03 | Temperature patch and system for detecting temperature |
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| CN107144366A true CN107144366A (en) | 2017-09-08 |
Family
ID=59784934
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| CN201710534149.1A Pending CN107144366A (en) | 2017-07-03 | 2017-07-03 | Temperature patch and system for detecting temperature |
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Application publication date: 20170908 |