CN102342827B - A kind of Novel electronic thermometer - Google Patents
A kind of Novel electronic thermometer Download PDFInfo
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- CN102342827B CN102342827B CN201010246635.1A CN201010246635A CN102342827B CN 102342827 B CN102342827 B CN 102342827B CN 201010246635 A CN201010246635 A CN 201010246635A CN 102342827 B CN102342827 B CN 102342827B
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Abstract
The invention discloses a kind of medical electric body temperature measuring device with pulses measure, temperature adjustmemt, electronic label identification and wireless data communication function.This body temperature measuring device can automatically read the electronic bar code of measurand by radio-frequency identification reader, it is possible to while measuring body temperature, completes the measurement of pulse.After perfect aspect gentleness pulses measure, temperature data, pulse data and electronic bar code can be sent to data receiving system in the way of being wirelessly transferred by this device.Additionally, this measurement apparatus is also equipped with temperature adjustmemt function, when temperature show value and actual value are inconsistent, show value can be made to reach consistent with actual value by correction.This device is mainly used in clinic, it is possible to a large amount of mercury clinical thermometers used in substituting Hospitals at Present ward.
Description
Present disclosure relates to a kind of temperature measuring equipment, has pulses measure, temperature adjustmemt particularly to one, penetrates
Frequency identifies and the medical body temperature measurement apparatus of wireless data communication function.
Background technology is current, and the daily measurement of bldy temperature in hospital ward still uses traditional mode to carry out.Mainly by medical care
Clinical thermometer is issued each patient by personnel one by one, after patient's perfect aspect temperature measurement, then fetches one by one, and knot measured in record respectively
Really.The major defect of this mode of operation is that workload is big, and operating process is easily caused mercury clinical thermometer and crushes, and causes hydrargyrum dirty
Dye.
The electronic clinical thermometer sold on market only has simple body-temperature measuring function, is only applicable to family and uses.Owing to not possessing
The functions such as the storage of temperature adjustmemt, radio communication, data and identification, the most also cannot substitute mercury clinical thermometer extensive in hospital
Use.
Although wireless telemetry technique obtains significant progress at medical monitoring arts at present.Existing technology is by radio receiving transmitting module
Combine with electronic temperature measurement module, it is achieved measured temperature data is sent to wireless receiving by the way of being wirelessly transferred
The receptor of module.But due to various technical defects, this series products is not the most also suitable for Clinical practice.
The Chinese invention patent application of Application No. 00114319 disclose entitled " a kind of for monitoring physiological and pathological signals
Multi-target radio data transmission system " technical scheme, the program use frequency division multiple access (FDMA) technology by 280MHz～
350MHz frequency range is divided into several channels, the corresponding transmitter of each channel.Due to the bandwidth of only 70MHz, can be simultaneously
The transmitter limited amount used, and the program is also without reference to measurement of bldy temperature.
In the Chinese invention patent of Application No. CN200420119160.X (authorized announcement date is on March 1st, 2006),
Disclose the technical scheme of entitled " radio temp. data collection device for ward ".The program uses infrared temperature detection instrument to measure
The facial temperature of human body, infrared temperature detection instrument is the top of patient bed position in being fixedly installed on ward, arranges one inside it
Individual Bluetooth transmission module, temperature data is sent to personal digital assistant device by this module, and personal digital assistant device can enter one
Data are passed to server by WLAN by step.The weak point that this invention exists is its method using infrared thermometry,
This method can only measure the shell temperature of human body, and this temperature does not represent the true body temperature of human body, and therefore, the program can not
For clinical measurement of bldy temperature.
Entitled " the side of wireless centralized monitoring population temperature is disclosed in the Chinese invention patent application of Application No. 03126789.0
Method and system " technical scheme.The program uses the form of Wireless Sub Station to add the temperature check being simultaneously operable in system eventually
The quantity of end, with microcomputer as data processing stations, data processing stations connects 1～128 by communication interface circuit
Individual substation, each substation takies a channel to carry out can corresponding communicating with 1～1024 terminal under radio communication, substation.
The deficiency that this invention exists is: the method that (1) temperature measuring circuit uses temperature sensor, A/D to be combined with microprocessor realizes.
The shortcoming that this implementation method is brought is that circuit is complicated and relatively costly；(2) data communication uses rf chip, inconvenience
In carrying out data exchange with the equipment (such as computer, PDA etc.) with function of Bluetooth communication；
Additionally, the common deficiency that above invention exists is: do not possess pulses measure, temperature adjustmemt, electronic label identification
Etc. function, thus it is subject to certain restrictions in clinical practice.
The summary of the invention present invention overcomes the deficiencies in the prior art, it is provided that one has pulses measure, temperature adjustmemt, electronics mark
Sign and identify and the medical electric body temperature measuring device of wireless data communication function.This body temperature measuring device can read measurand automatically
Electronic bar code, it is possible to measuring while body temperature, completing the measurement of pulse.After the measurement of perfect aspect gentleness pulse, should
Temperature data, pulse data and electronic bar code can be sent to data receiving system in the way of being wirelessly transferred by device.Additionally, should
Measurement apparatus is also equipped with temperature adjustmemt function, when temperature show value and actual value are inconsistent, show value can be made with true by correction
Real-valued reach consistent.
For solve the problems referred to above, the present invention by the following technical solutions:
This body temperature measuring device is by 1, liquid crystal display screen of a measurement of bldy temperature module, 3, pulses measure of 2, microcontroller
Module 4 and a wireless communication module 5 form.Temperature sensor in measurement of bldy temperature module directly or indirectly and human contact (as
It is clipped in oxter), by heat exchange, the temperature of temperature sensor will move closer to the body temperature of human body.Measurement of bldy temperature module 1 records
After body temperature, by data interface circuit, temperature data is sent to microcontroller 3.After microcontroller 3 receives temperature data, will
These data obtain real temperature data with the temperature value correction prestored after being added, and drive liquid crystal display screen 2 to show temperature data.
Pulses measure module 4, under the control of microcontroller 3, completes the pulses measure of human body, and pulse data is sent to microcontroller
Device 3.Wireless communication module 5 has RF identification and wireless data transceiving function, before each measurement, wireless communication module 5
The electronic mark code of patient can be read by radio-frequency identification reader 24 under the control of microcontroller 3.At body temperature and pulses measure
After completing, microcontroller 3 controls wireless data transceiver module 6 and external reception equipment communication, send body temperature, pulse data and
Electronic mark code.
Compared with current published patented technology, this product has pulses measure, temperature adjustmemt, radio frequency recognition function and electronics
Identification code storage function, is suitable for promoting the use of within the hospital.Such as, in ward, an electronics mark is allotted in advance for each patient
Sign, label has the electronic identification code of patient.Use this device be patient measure body temperature time, first with penetrating in this device
Frequency identifies that reader reads the electronic identification code of patient, and this electronic identification code is stored in the Flash in device.This device exists
The measurement of pulse can be completed while measuring body temperature, and temperature data can be modified, be that result is more accurate.Work as body temperature
After being measured of pulse, wireless communication module by sent along to temperature data and electronic identification code to external reception device.Outward
Portion receives after device receives data can send data to hospital information system (HIS), owing to data containing identity code,
Therefore the name one_to_one corresponding of temperature data with patient can be got up by HIS system automatically by electronic identification code, is stored in the electricity of patient
Sub-case.Further, it is also possible to be sent directly in LAN by the gateway with wireless data communication function, then pass through local
Net is sent to nursing station.The employing of this new equipment, can alleviate the labor intensity of medical personnel, can substitute mesh simultaneously
Front a large amount of mercury clinical thermometers used in ward, to alleviate environmental pollution.
Accompanying drawing explanation
Fig. 1 is that present system totally constitutes block diagram；
Fig. 2 is the theory diagram that in Fig. 1, measurement of bldy temperature module is connected with microcontroller and liquid crystal display screen；
Fig. 3 is temperature sensor and the connection circuit diagram of clinical thermometer special chip in Fig. 2；
Fig. 4 is microcontroller and peripheral element circuit diagram in Fig. 1；
Fig. 5 is pulses measure module and controller catenation principle block diagram (scheme one) in Fig. 1；
Fig. 6 is pulses measure module and controller catenation principle block diagram (scheme two) in Fig. 1；
Fig. 7 is wireless communication module and controller catenation principle block diagram in Fig. 1；
Fig. 8 is wireless data transceiver module circuit diagram in Fig. 7；
Fig. 9 is radio-frequency identification reader circuit diagram in Fig. 7；
The present invention is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings for detailed description of the invention:
The electronic clinical thermometer that accompanying drawing 1 describes is by a measurement of bldy temperature module 2, microcontroller of 1, liquid crystal display screen 3,
Pulses measure module 4 and a wireless communication module 5 form.Temperature sensor in measurement of bldy temperature module is directly or indirectly and people
Body contact (being such as clipped in oxter), by heat exchange, the temperature of temperature sensor will move closer to the body temperature of human body.Measurement of bldy temperature
After module 1 records body temperature, by data interface circuit, temperature data is sent to microcontroller 3.Microcontroller 3 receives body temperature
After data, obtain real temperature data after these data being added with the temperature value correction prestored, and drive liquid crystal display screen 2 to show
Temperature data.Pulses measure module 4, under the control of microcontroller 3, completes the pulses measure of human body, and pulse data is sent out
Give microcontroller 3.Wireless communication module 5 has RF identification and wireless data transceiving function, before each measurement, wireless
Communication module 5 can read the electronic mark code of patient under the control of microcontroller 3 by radio-frequency identification reader 24.At body temperature
After completing with pulses measure, microcontroller 3 controls wireless data transceiver module 6 and external reception equipment communication, send body temperature,
Pulse data and electronic mark code.
Fig. 2 is the theory diagram that in Fig. 1, measurement of bldy temperature module is connected with microcontroller and liquid crystal display screen.In figure, temperature sensor 6 is adopted
With critesistor, it is connected with clinical thermometer special chip 7.Critesistor presents different resistances, body temperature at different temperature
Meter special chip 7, according to the difference of resistance, directly calculates the temperature corresponding to this resistance.This chip has data communication function,
Temperature data can be passed to microcontroller 3.Owing to measurement of bldy temperature module there may be systematic error, it is therefore necessary to its result is entered
Row is revised.Flash storage 8 is for storing the correction table of temperature data.In correction table, each temperature data is right
One is answered to revise value, after the measurement result that body temperature clinical thermometer special chip is exported by microcontroller 3 is added with corresponding correction
Liquid crystal display screen 2 is driven to show the actual value of body temperature.Correction table is obtained by calibration experiments, and it can be in the journey of microcontroller 3
Under sequence controls, by the human-computer interaction interface on clinical thermometer button and liquid crystal display screen 2, by the storage being manually entered to microcontroller 3
In device, then write data in flash storage 8 by microcontroller 3.Correction table can also by the way of being wirelessly transferred,
Sent by outside discharger, then received by internal wireless communication module 5, the control program of microcontroller 3 can automatically by
Data write flash storage 8.Flash storage 8 can also be replaced by the flash storage within controller 3.
Fig. 3 is the connection circuit diagram of temperature sensor 6 and clinical thermometer special chip 7 in Fig. 2.Critesistor Sensor in figure
As temperature sensor.One end of critesistor is connected with the pin 22 (RS) of clinical thermometer special chip U1, the other end with
The pin 20 (SC) of U1 is connected.Critesistor presents different resistances, clinical thermometer special chip U1 at different temperature
According to the difference of resistance, directly calculate the temperature corresponding to this resistance.Clinical thermometer special chip U1 selects and rises richness (JAZTEK)
The JA31104 chip of company.This clinical thermometer special chip 7 also has data communication function, its pin 33 (OEB) and pin
34 (DATA) can be used for data communication, and the two pin can directly be connected with microcontroller, and temperature data is passed to microcontroller.
Fig. 4 is microcontroller and peripheral element circuit diagram in Fig. 1.In figure, U3 is microcontroller.In the present embodiment, we
Selecting the MSP430F435 of Texas Instrument (TI) company as microcontroller, this chip has 80 pins.Wherein pin
58 (OEB) are connected, for receiving body with the clinical thermometer special chip 7 in measurement of bldy temperature module respectively with pin 59 (DATA)
Temperature data；Pin 12, pin 13, pin 14, pin 15, pin 16, pin 17, pin 18, pin 19, pin
20, pin 21, pin 45, pin 46, pin 47 are connected with liquid crystal display screen 2, are used for driving liquid crystal display screen；Pin 75, pin
76, pin 77 is connected with the digital regulation resistance in amplifier 10 (or reception amplifier 19), for regulating the amplification of amplifier
Multiple；Pin 60, pin 61, pin 62, pin 63, pin 64, pin 65, pin 66, pin 67 turn with A/D
Parallel operation 12 (or A/D converter 17) is connected the output data for reading in A/D converter；Pin 36, pin 37, pipe
Foot 38, pin 39 are connected with the D/A converter 16 in pulses measure module 4 with pin 40, are used for controlling D/A conversion
Device 16 and carry out data communication with D/A converter 16；Pin 54, pin 55 are connected with wireless data transceiver module,
Mainly complete the transfer function of data；Pin 30 is connected with radio-frequency identification reader with pin 31, completes the number with this module
According to communication function.
Fig. 5 is the first embodiment that in Fig. 1, pulses measure module is connected with controller.In this embodiment, sound (or pressure
Power) sensor 9 gathers the acoustical signal (or pressure signal) of heartbeat, and is translated into the signal of telecommunication, amplified device 10
Amplifying and after wave filter 11 filtering, by A/D converter 12, analog-signal transitions is become digital quantity, microcontroller 3 is to this number
After word amount carries out digital filtering process, available pulse value.Microcontroller 3 can also be according to the output valve of A/D converter 12
Size, by controlling the digital regulation resistance regulation amplification in amplifier 10, to guarantee that the simulation that wave filter 11 export is believed
Number the dynamic range of amplitude and A/D converter 12 match.
Fig. 6 is the second embodiment that in Fig. 1, pulses measure module is connected with controller.In this embodiment, microcontroller 3
Control a light emitting diode 14 by D/A converter 16, drive circuit 15 and send red (or infrared) of an intensity constant
Light, when light irradiates tissue, a part of light can be reflected back.Because of the Oxygenated blood Lactoferrin in blood to red (or
Infrared) light has the strongest Absorption, and the intensity therefore reflecting light is modulated by pulse signal.Photodiode 20 receives instead
After penetrating light, after being received amplifier 19, wave filter 18 and A/D converter conversion, analogue signal is become digital quantity.Micro-control
Device 3 processed can also be according to the size of the output valve of A/D converter 17, by controlling the digital regulation resistance in reception amplifier 19
Regulation amplification, to guarantee that the amplitude of analogue signal that wave filter 18 exports matches with the dynamic range of A/D converter 17.
After microcontroller 3 carries out digital filtering process to the digital quantity that A/D converter 17 exports, draw pulse value.
Fig. 7 is the technic relization scheme that in Fig. 1, wireless communication module is connected with controller.Microcontroller 3 controls radio communication mold
Block 4 works.Wireless communication module 4 is read by a wireless data transceiver module 23, RF identification of 22, radio-frequency antenna
Read device 24 and a coupling coil 25 is constituted.Before each thermometric, the radio-frequency identification reader in clinical thermometer is by non-contacting
Mode reads the electronic identification code in measured's electronic tag, and is stored in the Flash of microcontroller 3 by this identification code；Body temperature
After being measured of pulse, temperature data is modified by microcontroller 3, obtains real temperature data, then according to outward
If request, by this body temperature, pulse data and electronic identification code send to wireless data transceiver module 22.Wireless data transceiving mould
After block 22 receives data, by antenna 23, these data are sent immediately.Antenna 23 and wireless data transceiver module 22 phase
Connect, for improving the data transmission distance of this device.
Fig. 8 is wireless data transceiver module circuit diagram in Fig. 7.In the present embodiment, we use Bluetooth technology to realize wireless number
According to communication function.In figure, U4 is bluetooth module.The DFBM-CS120 module that we select Taiwan DELTA company to produce is made
Realize communication function for bluetooth module, this module using the bleucore3.0 of CSR company of the U.S. as kernel, and by this kernel with
Peripheral circuit is encapsulated in a chip.The pin 17 (UART_RX) of this module and pin 2 (UART_TX) are respectively with micro-
The pin 54 of controller 3 is connected with pin 55.
Fig. 9 is radio-frequency identification reader circuit diagram in Fig. 7.The core component U5 of circuit uses MF RC522.MF
RC522 is a member being applied in 13.56MHz contactless communication camber integrated level read-write card family chip.MF RC522
Make use of the modulation and demodulation concept of advanced person, the most all types of fully-integrated passive contactless communication sides
Formula and agreement.It supports the multilamellar application of ISO14443A.Its internal transmitter part can drive reading and writing device antenna with
ISO14443A/MIFARE card or the communication of answering machine, it is not necessary to other circuit.Receptor part offer one is firm and effective
Demodulation and decoding circuitry, for processing the transponder signal compatible with ISO14443A.Numerical portion can process ISO14443A
Frame and error detection (Qi Ou &CRC).MFRC522 supports MIFARE contactless communication more at a high speed, and bi-directional data passes
Defeated speed is up to 424kbit/s.In circuit, components and parts R12, R13, C35, C36 and the pin 16 of chip, pin 17 groups
Become to receive circuit.The pin 11 of components and parts L11, C25, L12, C26 and chip, pin 13 connect composition radiating circuit.
Components and parts C23, C24, C27, C28, R14, R15 are the match circuit of antenna L.MF RC522 chip supports three kinds of strings
Line interface: SPI, UART, I2C, in this circuit, we use I2C serial line interface, the external pin of this interface is few.U5
Pin 1 be I2C Enable Pin, is set to high level.Pin 24 and the pin 31 of U5 are respectively data wire and clock line and U3
Pin 31 be connected with pin 30.
Claims (5)
1. a medical electronic thermometer, including measurement of bldy temperature module, liquid crystal display screen, microcontroller, it is characterised in that also include an arteries and veins
Fight measurement module and a wireless communication module；Described pulses measure module mainly by an illuminating source, photelectric receiver,
One amplifier, an A/D converter composition, photelectric receiver receives reflection light；System has temperature value debugging functions, electricity
Having flash storage in road for storing the correction of temperature, the temperature value measured by measurement of bldy temperature module is repaiied through microcontroller
Show the most afterwards on liquid crystal display screen；
Microcontroller is according to the size of the output valve of A/D converter, by controlling the digital regulation resistance regulation times magnification in reception amplifier
Number so that the amplitude of analogue signal of wave filter output matches with the dynamic range of A/D converter；
Described wireless communication module include a wireless data transceiver module, radio-frequency antenna, radio-frequency identification reader, one
Coupling coil；Before each thermometric, the radio-frequency identification reader in clinical thermometer reads measured's electronics mark by non-contacting mode
Electronic identification code in label, and this identification code is stored in the Flash of microcontroller.
Medical electronic thermometer the most according to claim 1, is characterized in that, the correction of described temperature is deposited by clinical thermometer button
Enter system or rewrite.
Medical electronic thermometer the most according to claim 1, is characterized in that, the correction of described temperature passes through wired or wireless number
According to the incoming system of mode of communication, after system receives data, by internal processes, temperature adjustmemt amount is stored or rewrites.
Medical electronic thermometer the most according to claim 1, is characterized in that, described wireless data transceiver module is received by a radio frequency
Send out chip and peripheral component is constituted.
Medical electronic thermometer the most according to claim 1, is characterized in that, described radio-frequency identification reader is by special chip and outer
Enclose components and parts to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010246635.1A CN102342827B (en) | 2010-08-06 | 2010-08-06 | A kind of Novel electronic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010246635.1A CN102342827B (en) | 2010-08-06 | 2010-08-06 | A kind of Novel electronic thermometer |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597780.2A Division CN104398241A (en) | 2010-08-06 | 2010-08-06 | Novel electronic thermometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102342827A CN102342827A (en) | 2012-02-08 |
| CN102342827B true CN102342827B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010246635.1A Expired - Fee Related CN102342827B (en) | 2010-08-06 | 2010-08-06 | A kind of Novel electronic thermometer |
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| Country | Link |
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| CN (1) | CN102342827B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440765A (en) * | 2010-10-08 | 2012-05-09 | 陈哲 | Novel electronic thermometer |
| CN106802196B (en) * | 2017-01-16 | 2023-07-18 | 中国计量大学 | Electronic thermometer buzzer sound detection device and method for automatic verification |
| JPWO2019039527A1 (en) * | 2017-08-24 | 2020-10-01 | 興和株式会社 | Individual measurement data correction system and correction data creation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220827Y (en) * | 1994-07-12 | 1996-02-28 | 广东省医疗器械研究所 | Electronic pulse thermometer |
| CN201234976Y (en) * | 2007-08-24 | 2009-05-13 | 卜祥元 | Bluetooth electronic clinical thermometer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613233Y (en) * | 2003-04-11 | 2004-04-28 | 清华大学 | Temp detector for pouring heating therapy |
| JP2009192467A (en) * | 2008-02-18 | 2009-08-27 | Aishisumo:Kk | Electronic thermometer |
-
2010
- 2010-08-06 CN CN201010246635.1A patent/CN102342827B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220827Y (en) * | 1994-07-12 | 1996-02-28 | 广东省医疗器械研究所 | Electronic pulse thermometer |
| CN201234976Y (en) * | 2007-08-24 | 2009-05-13 | 卜祥元 | Bluetooth electronic clinical thermometer |
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| CN102342827A (en) | 2012-02-08 |
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Effective date of registration: 20160920 Address after: 102600, Beijing, Zhongguancun Daxing District science and Technology Park, Daxing pharmaceutical industry base, No. 19, wing Rong Street, building 308, room 1 Applicant after: Beijing Runkang Medical Devices Co.,Ltd. Address before: 100054 Beijing City, Xicheng District Guanganmen South Street No. 60, building 4, room 2107 rongning Park Applicant before: Chen Zhe |
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