CN208653668U - A kind of temperature note and the Thermometer System comprising the temperature note - Google Patents
A kind of temperature note and the Thermometer System comprising the temperature note Download PDFInfo
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- CN208653668U CN208653668U CN201821519540.0U CN201821519540U CN208653668U CN 208653668 U CN208653668 U CN 208653668U CN 201821519540 U CN201821519540 U CN 201821519540U CN 208653668 U CN208653668 U CN 208653668U
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- resistance
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Abstract
A kind of Thermometer System the utility model discloses temperature note and comprising the temperature note, temperature note includes processor, resistance bridge sample circuit, antenna element, reset circuit and power supply, and the processor is electrically connected with resistance bridge sample circuit, antenna element, reset circuit and power supply respectively；Thermometer System includes temperature note, the data collection station being wirelessly connected with the temperature note, the server being wirelessly connected with the data collection station.Resistance bridge sample circuit is equipped in the utility model, resistance bridge sample circuit is used to detect the resistance value of thermistor, then searching corresponding temperature according to the resistance value of thermistor realizes temperature detection, and testing result is not influenced by battery, and testing result precision is high, reliable.
Description
Technical field
The utility model relates to temperature check equipment technical fields, more particularly to a kind of temperature note and include the temperature note
Thermometer System.
Background technique
Measurement of bldy temperature is the sick first thing of fever, and clinical thermometer currently on the market is many kinds of, mainly there is mercury temperature
Meter, infrared thermometer and electronic thermometer etc..All there is respective determination in existing this clinical thermometer, for example, mercury temperature
It is high to count precision, but is easy to eat by mistake, fragmentation, leads to mercury poisoning danger close；Infrared thermometer precision not high measurement result and environment
Relationship is big；Electron temperature precision can change with battery change, influence final measurement result.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of temperature note is provided and comprising the temperature note
Thermometer System detects the resistance value of thermistor by sampling resistor bridge, is then searched by the resistance value of thermistor
Corresponding temperature, testing result are not influenced by battery change.
The purpose of this utility model is achieved through the following technical solutions: a kind of temperature note, including processor, resistance
Bridge sample circuit, antenna element and power supply, the processor electrically connect with resistance bridge sample circuit, antenna element and power supply respectively
It connects, the resistance bridge sample circuit includes first resistor, second resistance, 3rd resistor and the 4th resistance, and the second resistance is
First I/O mouthfuls of connections of thermistor, the first end of the first resistor and processor, the second end of the first resistor and the
The first end of two resistance connects, the second end of the second resistance and the 2nd I/O mouthfuls of connections of processor, the 3rd resistor
First I/O mouthfuls of connections of first end and processor, the second end of the 3rd resistor is connect with the first end of the 4th resistance, described
The tie point of 2nd I/O mouthfuls of connections of the second end of the 4th resistance and processor, the first resistor and second resistance respectively with
3rd I/O mouthfuls and the 4th I/O mouthfuls of connections of processor, the 5th of the tie point and processor of the 3rd resistor and the 4th resistance the
The second end ground connection of I/O mouthfuls of connections, the second end of the second resistance and the 4th resistance.
Preferably, the processor includes rf chip and its peripheral circuit, and the peripheral circuit includes crystal oscillator,
Five resistance, first capacitor, the second capacitor and third capacitor, the rf chip the first I/O mouthfuls respectively with first resistor
First end connected with the first end of 3rd resistor, the rf chip the 2nd I/O mouthfuls respectively with second resistance
Two ends are connected with the second end of the 4th resistance, the RF transceiver the 3rd I/O mouthfuls and the 4th I/O mouthfuls with first resistor and
The tie point of second resistance connects, the rf chip the 5th I/O mouthfuls with the tie point of 3rd resistor and the 4th resistance
Connection, the 5th resistance eutral grounding of bias current end of the rf chip, the digital power end of the rf chip
It being grounded through first capacitor, the first crystal oscillator end and the second crystal oscillator end of the rf chip are connect with the both ends of crystal oscillator respectively,
First the second capacity earth of crystal oscillator end of the rf chip, the second crystal oscillator end of the rf chip is through third
Capacity earth.
Preferably, the antenna element include antenna body, the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor,
8th capacitor, the first inductance, the second inductance, third inductance and the 4th inductance, the first termination radio-frequency receiving-transmitting of the 4th capacitor
First radio-frequency head of chip, the second end of the 4th capacitor connect the first end of the first inductance, first electricity through the 5th capacitor
The second end of sense is connect with the first end of the second inductance, and the second end of second inductance is connect with antenna body, and described second
The second end of inductance is grounded, the second radio-frequency head of the first termination rf chip of the 6th capacitor, the 6th capacitor
Second end connect through third inductance with the first end of the first inductance, the tie point of the 4th capacitor and the 5th capacitor is through the 4th
The tie point of inductance ground connection, first inductance and the second inductance is through the 7th capacity earth, the 6th capacitor and third inductance
Tie point through the 8th capacity earth.
Preferably, the temperature note further includes reset circuit, and the reset terminal of the reset circuit and rf chip connects
It connects.
Preferably, the reset circuit includes touch-switch, touch-switch one end ground connection, another termination radio-frequency receiving-transmitting
The reset terminal of chip.
A kind of Thermometer System, including above-mentioned temperature note and the data collection station being wirelessly connected with the temperature note.
Preferably, the Thermometer System further includes server, and the server and data collection station are wirelessly connected.
Preferably, the data collection station includes smart phone.
Preferably, the temperature note and data collection station bluetooth connection.
Preferably, a temperature note and multiple data collection stations wireless connection and/or multiple temperature notes and a data
Acquisition terminal is wirelessly connected.
The beneficial effects of the utility model are:
(1) resistance bridge sample circuit is equipped in the utility model, resistance bridge sample circuit is used to detect the electricity of thermistor
Resistance value, then searching corresponding temperature according to the resistance value of thermistor realizes temperature detection, and testing result is not by battery
Influence, testing result precision is high, reliable；
(2) temperature note and data collection station are wirelessly connected in the utility model, and data collection station can obtain inspection in real time
It surveys as a result, testing result can be checked remotely.
Detailed description of the invention
Fig. 1 is the connection circuit diagram of resistance bridge sample circuit and processor；
Fig. 2 is the connection circuit diagram of antenna element and processor；
Fig. 3 is the schematic block diagram of Thermometer System.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1-3, a kind of temperature note and the Thermometer System comprising the temperature note are present embodiments provided:
A kind of temperature note, including processor, resistance bridge sample circuit, antenna element and power supply, the processor respectively with
Resistance bridge sample circuit, antenna element and power supply are electrically connected.
As shown in Figure 1, the processor includes rf chip U1 and its peripheral circuit, the peripheral circuit includes crystalline substance
Shake U2, the 5th resistance R5, first capacitor C1, the second capacitor C2 and third capacitor C3, crystal oscillator U2 specification be 32MHZ 3225
The resistance value of 12pF, the 5th resistance R5 are 56K, and the capacitance of first capacitor C1 is 1uF, the second capacitor C2 and third capacitor C3
Capacitance is 12pF.The resistance bridge sample circuit includes first resistor R1, second resistance R2, the electricity of 3rd resistor R3 and the 4th
R4 is hindered, the second resistance R2 is thermistor, and the resistance value of first resistor R1 and 3rd resistor R3 are 120K Ω 0.1%,
The resistance value of 4th resistance R4 is 30K Ω 0.1%, the model SDNT1005X104F4250FTF of second resistance R2.
The 5th resistance R5 of bias current end of the rf chip U1 is grounded, the number of the rf chip U1
Word power end is grounded through first capacitor C1, the first end crystal oscillator U2 of the rf chip U1 and the second end crystal oscillator U2 respectively with
The both ends of crystal oscillator U2 connect, and first end crystal oscillator U2 the second capacitor C2 ground connection of the rf chip U1, the radio frequency is received
The second end crystal oscillator U2 for sending out chip U1 is grounded through third capacitor C3.
The first end of the first resistor R1 and rf chip U1 the first I/O mouthfuls connect, the first resistor R1
Second end connect with the first end of second resistance R2, the second of the second end of the second resistance R2 and rf chip U1
I/O mouthfuls of connections, the first end of the 3rd resistor R3 and rf chip U1 the first I/O mouthfuls connect, the 3rd resistor
The second end of R3 is connect with the first end of the 4th resistance R4, and the of the second end of the 4th resistance R4 and rf chip U1
Two I/O mouthfuls of connection, the tie point of the first resistor R1 and second resistance R2 the 3rd I/O mouthfuls with rf chip U1 respectively
With the 4th I/O mouthfuls of connections, the 5th I/O mouthfuls of the tie point of the 3rd resistor R3 and the 4th resistance R4 and rf chip U1
Connection, the second end of the second resistance R2 and the second end ground connection of the 4th resistance R4.
In the present embodiment, processor by I/O mouthfuls to resistance bridge sample circuit output voltage, and acquire resistance bridge sampling electricity
The voltage difference of road output, conversion obtain the resistance value of thermistor, then search corresponding temperature by the resistance value of thermistor
Degree, to realize the measurement of temperature.The calculation formula of the resistance value of thermistor are as follows:
R2 = (120.00*adc0-120.00*adc1)/(4.00*adc0+1.00*adc1)*1.00
Adc0 is the voltage between first resistor R1 (120K Ω) and second resistance R2, and adc1 is R2 and R4(30K Ω) it
Between voltage.Battery voltage value can be calculated by adc0 simultaneously: Vbat=adc0* (120+30)/30*1.24/8192.00.
Real-time watch device battery status estimates remaining capacity and service life.
It is first resistor R1(120K Ω that adc0, which can be used) and second resistance R2 between voltage, adc2 is R3 (120K
Ω) and R4(30K Ω) between voltage.
The calculation formula of the resistance value of thermistor are as follows:
(120+R2)/R2=(adc0* (120+30)/30)/adc2
Value is calculated by two ways to average, it is accurate that temperature, two ways are not related to voltage value to obtain.
It is not related to input voltage when resistance value due to calculating thermistor, the resistance value and input electricity of thermistor
It presses unrelated, that is to say, that the resistance value of thermistor is not influenced by battery change, and final temperature measurement result is accurate and reliable.
Preferably, the temperature note further includes reset circuit, the reset terminal of the reset circuit and rf chip U1
Connection, the reset circuit includes touch-switch SW1, the model T1A2QR of the touch-switch SW1, the touch-switch
The one end SW1 ground connection, the reset terminal of another termination rf chip U1.By the way that touch-switch SW1 is arranged, realize with can be convenient
The reset of temperature note.
As shown in Fig. 2, the antenna element include antenna body, the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6,
7th capacitor C7, the 8th capacitor C8, the first inductance L1, the second inductance L2, third inductance L3 and the 4th inductance L4, the 4th capacitor C4
Capacitance with the 6th capacitor C6 is 18pF, and the capacitance of the 5th capacitor C5, the 7th capacitor C7 and the 8th capacitor C8 are
The inductance value of 1pF, the first inductance L1 are 1nH, and the inductance value of the second inductance L2 is 3nH, third inductance L3 and the 4th inductance L4
Inductance value is 2nH.
The first radio-frequency head of the first termination rf chip U1 of the 4th capacitor C4, the of the 4th capacitor C4
The 5th capacitor C5 of two ends connects the first end of the first inductance L1, the second end of the first inductance L1 and the first of the second inductance L2
End connection, the second end of the second inductance L2 connect with antenna body, and the second end of the second inductance L2 is grounded, and described the
The second radio-frequency head of the first termination rf chip U1 of six capacitor C6, the second end of the 6th capacitor C6 is through third inductance
L3 is connect with the first end of the first inductance L1, and the tie point of the 4th capacitor C4 and the 5th capacitor C5 connects through the 4th inductance L4
The tie point of ground, the first inductance L1 and the second inductance L2 are grounded through the 7th capacitor C7, the 6th capacitor C6 and third electricity
The tie point of sense L3 is grounded through the 8th capacitor C8.In the present embodiment, signal is handled before signal is issued through antenna, is improved
Signal quality, convenient for the transmission and reception of signal.
As shown in figure 3, including above-mentioned temperature note and the data collection station with temperature note wireless connection, data acquisition
Terminal can be smart phone or other data acquisition equipments.The connection of preferred bluetooth between temperature note and data collection station
Mode.The testing result of temperature note is transferred to data collection station in a manner of bluetooth, and user can directly acquire eventually in data
Temperature detection result is watched on end, improves the usage experience of user.Especially when having multiple temperature notes, without difference
It goes to the installation site of each temperature note to understand testing result, alleviates the workload of user.
One temperature note and multiple data collection stations wireless connection and/or multiple temperature notes and a data acquisition are eventually
End is wirelessly connected, it can while same temperature note is detected using multiple data collection station mobile phones (such as mobile phone), it can also be one
Data collection station (such as mobile phone) detects multiple temperature notes simultaneously.
Preferably, the Thermometer System further includes server, and the server and data collection station are wirelessly connected,
Result can be will test for WiFi, 3G/4G etc., data collection station by, which being wirelessly connected, is sent to server, and server is tied in detection
Alarm signal is issued to corresponding data collection station when fruit exceeds preset value, can also remotely be shared with other users, is realized
Diverse geographic location checks data simultaneously.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (10)
1. a kind of temperature note, which is characterized in that including processor, resistance bridge sample circuit, antenna element and power supply, the processing
Device respectively with resistance bridge sample circuit, antenna element and power supply be electrically connected, the resistance bridge sample circuit include first resistor,
Second resistance, 3rd resistor and the 4th resistance, the second resistance are thermistor, the first end and processing of the first resistor
The first end of first I/O mouthfuls of connections of device, the second end of the first resistor and second resistance connects, and the of the second resistance
The 2nd I/O mouthfuls of connections at two ends and processor, the first end of the 3rd resistor and the first I/O mouthfuls of connections of processor, it is described
The second end of 3rd resistor is connect with the first end of the 4th resistance, the second end of the 4th resistance and the 2nd I/O of processor
Mouthful connection, the tie point of the first resistor and second resistance respectively with processor the 3rd I/O mouthfuls and the 4th I/O mouthfuls connect,
The tie point and processor of the 3rd resistor and the 4th resistance the 5th I/O mouthfuls connection, the second end of the second resistance and
The second end of 4th resistance is grounded.
2. a kind of temperature note according to claim 1, which is characterized in that the processor include rf chip and its
Peripheral circuit, the peripheral circuit include crystal oscillator, the 5th resistance, first capacitor, the second capacitor and third capacitor, and the radio frequency is received
Hair chip the first I/O mouthfuls connect respectively with the first end of the first end of first resistor and 3rd resistor, the radio-frequency receiving-transmitting core
Piece the 2nd I/O mouthfuls connect respectively with the second end of the second end of second resistance and the 4th resistance, the rf chip
3rd I/O mouthfuls and the 4th I/O mouthfuls connect with the tie point of first resistor and second resistance, the 5th of the rf chip the
I/O mouthfuls connect with the tie point of 3rd resistor and the 4th resistance, the 5th resistance of bias current end of the rf chip
Ground connection, the digital power end of the rf chip are grounded through first capacitor, the first crystal oscillator end of the rf chip
It is connect respectively with the both ends of crystal oscillator with the second crystal oscillator end, first the second capacity earth of crystal oscillator end of the rf chip,
Second crystal oscillator end of the rf chip is through third capacity earth.
3. a kind of temperature note according to claim 2, which is characterized in that the antenna element includes antenna body, the 4th
Capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 8th capacitor, the first inductance, the second inductance, third inductance and the 4th electricity
Sense, the first radio-frequency head of the first termination rf chip of the 4th capacitor, the second end of the 4th capacitor is through the 5th
Capacitor connects the first end of the first inductance, and the second end of first inductance is connect with the first end of the second inductance, second electricity
The second end of sense is connect with antenna body, the second end ground connection of second inductance, the first termination radio frequency of the 6th capacitor
The second end of second radio-frequency head of transceiving chip, the 6th capacitor is connect through third inductance with the first end of the first inductance, institute
The tie point for stating the 4th capacitor and the 5th capacitor is grounded through the 4th inductance, and the tie point of first inductance and the second inductance is through
The tie point of seven capacity earths, the 6th capacitor and third inductance is through the 8th capacity earth.
4. a kind of temperature note according to claim 2, which is characterized in that the temperature note further includes reset circuit, described
The connection of the reset terminal of reset circuit and rf chip.
5. a kind of temperature note according to claim 4, which is characterized in that the reset circuit includes touch-switch, described
Touch-switch one end ground connection, the reset terminal of another termination rf chip.
6. a kind of Thermometer System, which is characterized in that including temperature note described in claim 1-5 any one and with it is described
The data collection station that temperature note is wirelessly connected.
7. a kind of Thermometer System according to claim 6, which is characterized in that the Thermometer System further includes clothes
Business device, the server and data collection station are wirelessly connected.
8. a kind of Thermometer System according to claim 6, which is characterized in that the data collection station includes intelligence
Mobile phone.
9. a kind of Thermometer System according to claim 6, which is characterized in that the temperature note and data collection station
Bluetooth connection.
10. a kind of Thermometer System according to claim 6, which is characterized in that a temperature note is adopted with multiple data
Collect terminal wireless connection and/or multiple temperature notes and a data collection station is wirelessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519540.0U CN208653668U (en) | 2018-09-17 | 2018-09-17 | A kind of temperature note and the Thermometer System comprising the temperature note |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519540.0U CN208653668U (en) | 2018-09-17 | 2018-09-17 | A kind of temperature note and the Thermometer System comprising the temperature note |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208653668U true CN208653668U (en) | 2019-03-26 |
Family
ID=65793195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821519540.0U Expired - Fee Related CN208653668U (en) | 2018-09-17 | 2018-09-17 | A kind of temperature note and the Thermometer System comprising the temperature note |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208653668U (en) |
-
2018
- 2018-09-17 CN CN201821519540.0U patent/CN208653668U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |