CN102334980A - Electronic thermometer with radio-frequency identification and wireless data communication functions - Google Patents
Electronic thermometer with radio-frequency identification and wireless data communication functions Download PDFInfo
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- CN102334980A CN102334980A CN2010102389406A CN201010238940A CN102334980A CN 102334980 A CN102334980 A CN 102334980A CN 2010102389406 A CN2010102389406 A CN 2010102389406A CN 201010238940 A CN201010238940 A CN 201010238940A CN 102334980 A CN102334980 A CN 102334980A
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Abstract
The invention discloses an electronic temperature measuring device with radio-frequency identification and wireless data communication functions. The device comprises components such as a temperature sensor, a chip special for a thermometer, a liquid crystal screen, a wireless communication module and the like, wherein the temperature sensor contacts human bodies directly or indirectly; the chip special for the thermometer is connected with the temperature sensor, and can convert the temperature of the temperature sensor into digital quantity; the chip special for the thermometer has a liquid crystal driving function and can drive the liquid crystal screen directly to display temperature data; the chip special for the thermometer also has a data communication function and can transmit the temperature data to the wireless communication module; and the wireless communication module has the radio-frequency identification and wireless data communication functions, and can identify electronic bar codes of measured objects automatically and send the temperature data and the electronic bar codes to a data receiving system in a wireless transmission mode after temperature measurement is finished. The device is mainly applied to clinics and can replace mercury thermometers which are used in sickrooms of hospitals in large quantities at present.
Description
Technical field the present invention relates to a kind of temperature measuring equipment, particularly a kind of medical body temperature measuring device with RF identification and wireless data communication function.
Background technology is present, and the daily measurement of bldy temperature in the hospital ward still adopts traditional mode to carry out.Mainly be clinical thermometer to be issued each patient one by one by medical personnel, treat patient's perfect aspect temperature measurement after, fetch one by one again, and write down measurement result respectively.The major defect of this mode of operation is that workload is big, and operating process causes mercury clinical thermometer broken easily, causes mercury pollution.
The electronic clinical thermometer of being sold on the market has only simple measurement of bldy temperature function, is only applicable to family and uses.Owing to do not possess functions such as radio communication, data storage and identification, therefore also can't substitute mercury clinical thermometer and be widely used in hospital.
Although wireless telemetry technique obtains significant progress in the medical monitoring field at present.Existing technology combines radio receiving transmitting module with the electronic temperature measurement module, realize measured temperature data is sent to the receptor that has wireless receiving module through Wireless transmission mode.But because various technical defectives, this series products also is not suitable for clinical use up to now.
The technical scheme of " a kind of multi-target radio data transmission system that is used for monitoring physiological and pathological signals " by name, application number is disclosed in being 00114319 Chinese invention patent application; This scheme adopts frequency division multiple access (FDMA) technology that 280MHz～350MHz frequency range is divided into several channels, the corresponding transmitter of each channel.Since have only the bandwidth of 70MHz, the transmitter limited amount that can use simultaneously, and also this scheme does not relate to measurement of bldy temperature yet.
At application number is in the Chinese invention patent of CN200420119160.X (Granted publication day is on March 1st, 2006), discloses the technical scheme of " ward is wireless temperature data harvester " by name.This scheme adopts the infrared temperature survey meter to measure the facial temperature of human body; The infrared temperature survey meter is fixedly installed on the top of patient bed position in the ward; Bluetooth transmission module of its set inside; This module sends to the personal digital assistant device with temperature data, and the personal digital assistant device can further be passed to server through WLAN with data.The weak point that this invention exists is its method that adopts infrared thermometry, and this method can only be measured the shell temperature of human body, and this temperature is not represented the true body temperature of human body, and therefore, this scheme can not be used for clinical measurement of bldy temperature.
The technical scheme of " method and system of wireless concentrated monitoring colony body temperature " by name, application number is disclosed in being 03126789.0 Chinese invention patent application.This scheme adopts the form of wireless substation to increase the quantity at the temperature check terminal that can work simultaneously in the system; With the microcomputer is the data processing work station; The data processing work station connects 1～128 substation through the communication interface circuit; Each substation takies a channel and carries out radio communication, can be corresponding under the substation and 1～1024 terminal communicate.The deficiency that this invention exists is: (1) temperature measuring circuit adopts the bonded method of temperature sensor, A/D and microprocessor to realize.The shortcoming that this implementation method is brought is a complicated circuit, and cost is higher; (2) rf chip is adopted in data communication, is not easy to carry out exchanges data with the equipment (like computer, PDA etc.) with function of Bluetooth communication;
In addition, more than a common deficiency of invention existence is: do not possess the function of automatic tag identification, thereby in clinical practice, receive certain restriction.
Summary of the invention the present invention overcomes the deficiency of prior art, and a kind of medical electric body temperature measuring device with radio frequency recognition function and wireless data communication function is provided.This body temperature measuring device can be discerned the electronic bar code of measurand automatically, and the perfect aspect temperature measurement after, temperature data and electronic bar code are sent to data receiving system with Wireless transmission mode.
For addressing the above problem, the present invention adopts following technical scheme:
This body temperature measuring device has the clinical thermometer special chip 2 of data communication function, a liquid crystal display screen 3 and parts such as wireless communication module 4 by a temperature sensor 1, one and forms.Temperature sensor directly or indirectly contacts (as being clipped in the oxter) with human body, through heat exchange, the temperature of temperature sensor will move closer to the body temperature of human body.Clinical thermometer special chip 2 with data communication function is connected with temperature sensor 1, and it can become digital quantity with the temperature transition of temperature sensor.Clinical thermometer special chip 2 has the liquid crystal drive function, can directly drive liquid crystal display screen, and temperature data is presented on the liquid crystal display screen.Clinical thermometer special chip 2 also has data communication function in addition, can send temperature data to wireless communication module.
The realization of wireless communication module can adopt following two kinds of technical schemes to realize:
Scheme one: wireless communication module 4 is made up of a microcontroller 5, wireless data transceiver module 6, radio-frequency antenna 7, a radio-frequency identification reader 8 and a coupling coil 9.Microcontroller 5 is connected with clinical thermometer special chip 2, wireless data transceiver module 6 and radio-frequency identification reader 8 respectively.Before each thermometric, the radio-frequency identification reader in the clinical thermometer reads the electronic identification code in measured's electronic tag through non-contacting mode, and this identification code is deposited among the Flash of microcontroller 5; After thermometric was accomplished, microcontroller 5 received the temperature data that clinical thermometer special chip 2 sends, and according to the request of peripheral hardware, this temperature data and electronic identification code is sent to wireless data transceiver module 6 then.After wireless data transceiver module 6 is received data, through antenna 7 these data are sent immediately.Antenna 7 is connected with wireless data transceiver module 6, is used to improve the data transmission distance of this device.
Scheme two: wireless communication module 4 is made up of a bluetooth communication 10, radio-frequency antenna 11, a radio-frequency identification reader 12 and a coupling coil 13.Bluetooth communication 10 is connected with clinical thermometer special chip 2, radio-frequency antenna 11, radio-frequency identification reader 12 respectively.Before each thermometric, the radio-frequency identification reader in the clinical thermometer reads the electronic identification code of measured's electronic tag through non-contacting mode, and this identification code is deposited among the Flash of bluetooth module; After thermometric was accomplished, bluetooth communication 10 received the temperature data that clinical thermometer special chips 2 send, and then according to the request of peripheral hardware, this temperature data and electronic identification code sent out through antenna 11 sends.Antenna 11 is connected with bluetooth communication 10, is used to improve the data transmission distance of this device.
Compare with disclosed patented technology at present, this product has radio frequency recognition function and electronic identification code memory function, is adapted at promoting the use of in the hospital.For example, in the ward, allot an electronic tag in advance, have patient's electronic identification code on the label for each patient.When using this device, at first read patient's electronic identification code, and this electronic identification code is deposited among the Flash in the device with the radio-frequency identification reader in this device as patient's take temperature.After measurement of bldy temperature was accomplished, wireless communication module together was sent to outside receiving system with temperature data and electronic identification code.After receiving data, outside receiving system can data be sent to hospital information system (HIS); Owing to contain identity code in the data; Therefore the HIS system can be mapped through the name of electronic identification code with temperature data and patient automatically one by one, deposits patient's electronic medical records in.In addition, can also directly send in the LAN, be sent to nursing station through LAN again through the gateway that has wireless data communication function.The employing of this new equipment can alleviate medical personnel's labor intensity, can substitute a large amount of mercury clinical thermometers that use in the ward at present simultaneously, to alleviate environmental pollution.
Description of drawings
Fig. 1 is that overall system of the present invention constitutes block diagram;
Fig. 2 is that the technology of wireless communication module among Fig. 1 realizes theory diagram (scheme one);
Fig. 3 is that the technology of wireless communication module among Fig. 1 realizes theory diagram (scheme two);
Fig. 4 is the connecting circuit figure of temperature sensor among Fig. 1, clinical thermometer special chip and liquid crystal display screen;
Fig. 5 is microcontroller and a peripheral element circuit diagram among Fig. 2;
Fig. 6 is a wireless data transceiver module circuit diagram among Fig. 2;
Fig. 7 is a radio-frequency identification reader circuit diagram among Fig. 2 and Fig. 3;
Fig. 8 is a bluetooth communication circuit diagram among Fig. 3.
The specific embodiment is made further detailed description below in conjunction with the accompanying drawing and the specific embodiment to the present invention:
The electronic clinical thermometer that accompanying drawing 1 is described is made up of a temperature sensor 1, clinical thermometer special chip 2, a liquid crystal display screen 3 and a wireless communication module 4.Wherein the implementation of wireless communication module 4 has two kinds.
Fig. 2 is one of technic relization scheme of wireless communication module among Fig. 1.Wireless communication module 4 is made up of a microcontroller 5, wireless data transceiver module 6, radio-frequency antenna 7, a radio-frequency identification reader 8 and a coupling coil 9.Microcontroller 5 is connected with clinical thermometer special chip 2, wireless data transceiver module 6 and radio-frequency identification reader 8 respectively.Before each thermometric, the radio-frequency identification reader in the clinical thermometer reads the electronic identification code in measured's electronic tag through non-contacting mode, and this identification code is deposited among the Flash of microcontroller 5; After thermometric was accomplished, microcontroller 5 received the temperature data that clinical thermometer special chip 2 sends, and according to the request of peripheral hardware, this temperature data and electronic identification code is sent to wireless data transceiver module 6 then.After wireless data transceiver module 6 is received data, through antenna 7 these data are sent immediately.Antenna 7 is connected with wireless data transceiver module 6, is used to improve the data transmission distance of this device.
Fig. 3 is the another kind of scheme that the technology of wireless communication module among Fig. 1 realizes.Wireless communication module 4 is made up of a bluetooth communication 10, radio-frequency antenna 11, a radio-frequency identification reader 12 and a coupling coil 13.Bluetooth communication 10 is connected with clinical thermometer special chip 2, radio-frequency antenna 11, radio-frequency identification reader 12 respectively.Before each thermometric, the radio-frequency identification reader in the clinical thermometer reads the electronic identification code of measured's electronic tag through non-contacting mode, and this identification code is deposited among the Flash of bluetooth module; After thermometric was accomplished, bluetooth communication 10 received the temperature data that clinical thermometer special chips 2 send, and then according to the request of peripheral hardware, this temperature data and electronic identification code sent out through antenna 11 sends.Antenna 11 is connected with bluetooth communication 10, is used to improve the data transmission distance of this device.
Fig. 4 is the connecting circuit figure of temperature sensor 1 among Fig. 1, clinical thermometer special chip 2 and liquid crystal display screen 3.Components and parts such as the resistance of these three elements and periphery and electric capacity constitute conventional electrical clinical thermometer circuit.Critesistor Sensor among the figure is as temperature sensor.One end of critesistor links to each other with the pin two 2 (RS) of clinical thermometer special chip U1, and the other end links to each other with the pin two 0 (SC) of U1.Critesistor presents different resistances under different temperature, clinical thermometer special chip U1 directly calculates the pairing temperature of this resistance according to the difference of resistance.Clinical thermometer special chip U1 selects the JA31104 chip of rising richness (JAZTEK) company for use.This chip has the liquid crystal drive function, and its COM1～3, SA1～3, SB1～3, SC1～3 pins can directly drive liquid crystal display screen.Element U2 is a liquid crystal display screen, and it is connected with U1, is used for temperature taking result's demonstration.This clinical thermometer special chip 2 also has data communication function in addition, and its pin 33 (OEB) and pin 34 (DATA) can be used for data communication, and these two pins can directly link to each other with microcontroller, and temperature data is passed to microcontroller.
Fig. 5 is microcontroller and a peripheral element circuit diagram among Fig. 2.U3 is a microcontroller among the figure.In the present embodiment; We select for use the MSP430F1232 of company of Texas Instrument (TI) as microcontroller; This chip is connected with pin 33 (OEB) with the pin 34 (DATA) of clinical thermometer special chip respectively with pin one 9 (P2.3) through pin one 0 (P2.2), carries out data communication.In addition, the pin one 5 (P3.4) of U3 is connected with pin two (UART_TX) with the pin one 7 (UART_RX) of bluetooth module U4 respectively with pin one 6 (P3.5), mainly accomplishes the transfer function of data.In microcontroller chip MSP430F1232, there is the flash memorizer of 8k to be used for the storage of storage control program and electronic identification code.
Fig. 6 is a wireless data transceiver module circuit diagram among Fig. 2.In this programme, we adopt Bluetooth technology to realize wireless data communication function.U4 is a bluetooth module among the figure.In the present embodiment; The DFBM-CS120 module that we select for use Taiwan DELTA company to produce realizes communication function as bluetooth module; This module, and is encapsulated in this kernel and peripheral circuit in the chip as kernel with the bleucore3.0 of U.S. CSR company.The pin one 7 (UART_RX) of this module is connected with pin one 6 (P3.5) with the pin one 5 (P3.4) of microcontroller respectively with pin two (UART_TX).
Fig. 7 is a radio-frequency identification reader circuit diagram among Fig. 2 and Fig. 3.That the core components and parts U5 of circuit adopts is MF RC522.MF RC522 is a member that is applied in the 13.56MHz contactless communication camber integrated level read-write card family chip.MFRC522 has utilized advanced modulation and demodulation notion, fully-integrated under 13.56MHz all types of passive contactless communication modes and agreement.It supports the multilayer application of ISO14443A.Its internal transmitter part can drive communicating by letter of reading and writing device antenna and ISO14443A/MIFARE card or answering machine, need not other circuit.Receptor partly provides a firm and effective demodulation decoding circuit, is used to handle the transponder signal compatible with ISO14443A.Numerical portion can be handled ISO14443A frame and wrong detection (Qi Ou &CRC).MFRC522 supports the more high speed contactless communication of MIFARE, and bidirectional data transfers speed is up to 424kbit/s.In the circuit, the pin one 6 of components and parts R12, R13, C35, C36 and chip, pin one 7 are formed receiving circuit.Pin one 1, the pin one 3 of components and parts L11, C25, L12, C26 and chip connect to form radiating circuit.Components and parts C23, C24, C27, C28, R14, R15 are the match circuit of antenna L.MF RC522 chip is supported three kinds of serial line interface: SPI, UART, I
2That we adopt among the C, this circuit is I
2The C serial line interface, the external pin of this interface is few.The pin one of U5 is I
2The C Enable Pin is changed to high level.Pin two 4 and the pin 31 of U5 are respectively data wire and clock line.When wireless communication module adopted the scheme of Fig. 2, we were set to data wire and clock line with the pin one 8 of U3 among Fig. 5 respectively with pin one 7, and the pin two 4 of U5 is connected with pin one 7 with the pin one 8 of U3 respectively with pin 31.When wireless communication module adopted the scheme of Fig. 2, we were set to data wire and clock line respectively with pin J3 and the pin B2 of U6 among Fig. 8, and the pin two 4 of U5 is connected with pin B2 with the pin J3 of U6 respectively with pin 31.
Fig. 8 is a bluetooth communication circuit diagram among Fig. 3.Core devices U6 in the circuit adopts the 4th generation CSRBlueCore4 Bluetooth chip BC417143 of CSR company; This chip meets bluetooth V2.0+EDR standard fully; Support the RF transceiver of 2.4GHz; There is 16 arm processor inside, and RAM on the 48Kbyte sheet supports 8Mbit exterrnal flash.The OEB of PIO5, PIO6 pin jointing temp chip and DATA receive temperature data.The AIO0 pin connects battery electric quantity and detects, the electric weight of detection at any time battery, the switch of PIO10 pin order key switch control thermometer.PIO8, PIO4, PIO11, PIO7, PIO0 pin meet LCD and show, displays temperature and electric weight, PIO1, PIO3 pin link to each other with pin two 4 with the pin 31 of U5 respectively and realize the I2C interface.T2 among the figure (FB2012) is a balanced filter, is connected between antenna and the bluetooth, is used to avoid produce coupling or interference.U4 (39VF800A) is a 8Mbit flash storage chip, can be used to store bluetooth protocol repertory.
Claims (3)
1. a medical electric clinical thermometer comprises temperature sensor [1], clinical thermometer special chip [2], liquid crystal display screen [3], it is characterized in that the clinical thermometer special chip also is connected with a wireless communication module [4];
2. system according to claim 1 is characterized in that, said wireless communication module [4] is made up of a microcontroller [5], a wireless data transceiver module [6], a radio-frequency identification reader [8], a radio-frequency antenna [7] and a coupling coil [9];
3. system according to claim 1 is characterized in that, said wireless communication module [4] also can be made up of a bluetooth communication [10], a radio-frequency antenna [11], a radio-frequency identification reader [12] and a coupling coil [13].
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102389406A CN102334980A (en) | 2010-07-28 | 2010-07-28 | Electronic thermometer with radio-frequency identification and wireless data communication functions |
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| CN2010102389406A CN102334980A (en) | 2010-07-28 | 2010-07-28 | Electronic thermometer with radio-frequency identification and wireless data communication functions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440765A (en) * | 2010-10-08 | 2012-05-09 | 陈哲 | Novel electronic thermometer |
| CN103976712A (en) * | 2013-11-08 | 2014-08-13 | 上海养源健康科技有限公司 | Intelligent body temperature monitoring system |
| CN104055490A (en) * | 2013-03-21 | 2014-09-24 | 深圳华盛昌机械实业有限公司 | Temperature infrared measurement and record method and device |
| CN107340072A (en) * | 2017-07-03 | 2017-11-10 | 铂元智能科技(北京)有限公司 | Temperature patch and system for detecting temperature |
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| CN1531899A (en) * | 2003-03-26 | 2004-09-29 | 阳庆电子股份有限公司 | Blue-teeth body temperature monitor |
| CN1951315A (en) * | 2006-11-15 | 2007-04-25 | 李永年 | Medical data information measuring, collecting and processing system and method |
| CN101371782A (en) * | 2007-08-24 | 2009-02-25 | 卜祥元 | Bluetooth electronic clinical thermometer |
| CN201847673U (en) * | 2010-07-28 | 2011-06-01 | 北京润康医疗器械有限责任公司 | Electric clinical thermometer having radio frequency identification function and wireless data communication function |
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2010
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1531899A (en) * | 2003-03-26 | 2004-09-29 | 阳庆电子股份有限公司 | Blue-teeth body temperature monitor |
| CN1951315A (en) * | 2006-11-15 | 2007-04-25 | 李永年 | Medical data information measuring, collecting and processing system and method |
| CN101371782A (en) * | 2007-08-24 | 2009-02-25 | 卜祥元 | Bluetooth electronic clinical thermometer |
| CN201847673U (en) * | 2010-07-28 | 2011-06-01 | 北京润康医疗器械有限责任公司 | Electric clinical thermometer having radio frequency identification function and wireless data communication function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102440765A (en) * | 2010-10-08 | 2012-05-09 | 陈哲 | Novel electronic thermometer |
| CN104055490A (en) * | 2013-03-21 | 2014-09-24 | 深圳华盛昌机械实业有限公司 | Temperature infrared measurement and record method and device |
| CN103976712A (en) * | 2013-11-08 | 2014-08-13 | 上海养源健康科技有限公司 | Intelligent body temperature monitoring system |
| CN107340072A (en) * | 2017-07-03 | 2017-11-10 | 铂元智能科技(北京)有限公司 | Temperature patch and system for detecting temperature |
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Application publication date: 20120201 |