CN201683886U - Intelligent wirelessly-transmitted medical clinical thermometer - Google Patents
Intelligent wirelessly-transmitted medical clinical thermometer Download PDFInfo
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- CN201683886U CN201683886U CN2009202443206U CN200920244320U CN201683886U CN 201683886 U CN201683886 U CN 201683886U CN 2009202443206 U CN2009202443206 U CN 2009202443206U CN 200920244320 U CN200920244320 U CN 200920244320U CN 201683886 U CN201683886 U CN 201683886U
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- clinical thermometer
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Abstract
The utility model provides a clinical thermometer, belonging to the fields of biomedical engineering, computer application and electronic circuit design, and particularly relating to a medical intelligent wireless transmitter for measuring body temperature. The clinical thermometer comprises a temperature sensor, a 1-Wire (namely, monobus) terminal, a system-on-chip (SoC), a power supply circuit, an oscillator circuit and a circuit of a wirelessly-transmitted (using ZigBee) receiving and emitting device. All components of the clinical thermometer are connected with one another in the following way: the temperature sensor is output to the monobus terminal by a monobus; the monobus terminal is connected with the system-on-chip (SoC) that is connected with the circuit of the wirelessly transmitted receiving and emitting device; and an upper computer obtains the temperature information by the wirelessly transmitted receiving and emitting device. Only the temperature sensor measures the body temperature of the patient by the monobus terminal and other components are arranged on one circuit board. The clinical thermometer has the characteristics of simpleness, high efficiency, wireless and intelligent information transmission, strong interference resistance, small engineering amount, few cables, convenient application and low cost.
Description
Affiliated technical field
This utility model relates to biomedical engineering, computer utility and electronic circuit design field, is specifically related to a kind of intelligent radio transmission clinical thermometer.
Background technology
Measurement of bldy temperature is the index of medical science routine, also is the maximum vital sign of monitoring in the medical treatment.General measure body temperature needs the nurse to measure back nurse's record for mercury clinical thermometer patient or family numbers of patients, the nurse gets back to nurse station and collates the minutes and put on record, take temperature not only increases medical workers and loaded down with trivial details thus, and error in data is many, therefore be sought after a kind of cost low, simple in structure, be placed on the medical body temperature thermometric intelligent radio transmitter in the ward, whenever and wherever possible take temperature and the result who measures by being wirelessly transmitted to the nursing station.
Summary of the invention
The purpose of this utility model patent is to provide a kind of intelligent radio transmission clinical thermometer, overcome the thermometric shortcoming of traditional in the past body temperature, can and host computer (just nursing station) wireless telecommunications, perfect aspect temperature measurement and data wireless transmission are mainly used in the hospital ward patient temperature and measure.Temperature measurement range is in+30 ℃～+ 45 ℃ scopes, has ± 0.1 ℃ precision, and has simple efficient, information and transmit the characteristics that wireless penetration, intellectuality, capacity of resisting disturbance are strong, be convenient to use.
This utility model comprises temperature sensor, 1-Wire (monobus just) terminal, System on Chip/SoC (SoC), power circuit, pierce circuit, wireless transmission (adopting the ZigBee wireless transmission) transceiver circuit composition.Their annexation is: temperature sensor outputs to 1-Wire (monobus) terminal by 1-Wire (monobus), 1-Wire (monobus) terminal is connected to System on Chip/SoC (SoC), System on Chip/SoC (SoC) is connected with pierce circuit, System on Chip/SoC (SoC) is connected with wireless transmission (adopting the ZigBee wireless transmission) transceiver circuit, power circuit is powered to Wireless Transmitter.Have only temperature sensor to pass through 1-Wire (monobus just) terminal and monobus measurement patient temperature, other circuit is on a circuit board.
ZigBee one etymology is notified information such as the relevant pollen of other Apiss position from Apis by the dancing of jumping the ZIGZAG shape, to reach the purpose that conveys a message each other.Meaning whereby, ZigBee is as the name of ng mobile communication.Before this, ZigBee is also referred to as " HomeRFLite ", and " RF-EasyLink " or " firefly " radiotechnics is referred to as ZigBee at present.It has the radio standard of oneself, coordinates to realize communication between thousands of kinds of small pick offs mutually, and distance is 30～70m.
Temperature is through temperature sensor and 1-Wire and 1-Wire terminal, System on Chip/SoC (SoC) is delivered in P00 mouth and P01 oral instructions by System on Chip/SoC (SoC), RF_P pin, TXRX_SWTTCH pin and RF_N pin by System on Chip/SoC (SoC) after handling are transferred to wireless transmission (adopting the ZigBee wireless transmission) transceiver circuit, and host computer obtains temperature information by wireless transmission (adopting the ZigBee wireless transmission) transceiver.Adopt 1-Wire (monobus) technology; Input terminal is received 8 tunnel temperature sensors respectively, and both 8 tunnel temperature survey points satisfied maximum 8 patient demands in each ward fully.
Described System on Chip/SoC (SoC) has selected the CC2430 of Chipcon company as master chip of the present invention.The main feature of CC2430 chip has: the 8051 microcontrollers nuclear of 32MHz single command cycle low-power consumption, the RF wireless set of integrated compatible IEEE802.15.4 standard 2.4GHz frequency range; The SRAM of 8KB, wherein 4KB can keep data under all power consumption modes; The 7*7mmQLP encapsulation of compatible ROHS; 4 kinds of power consumption modes able to programme; Programmable WatchDog Timer; The electrification reset function; The support hardware debug function; Good wireless receiving sensitivity and powerful anti-interference; Only the stream of 0.9 μ A consumes when park mode, external interrupt or RTC energy waken system; The stream consumption that when standby mode, is less than 0.6 μ A, external interrupt energy waken system; Hardware supported CSMA/CA function; The voltage range (0.2～3.6V) of broad; Digitized RSS/LQI supports and powerful DMA function; Have battery detection and temperature sensing function; Integrated 14 analog-to-digital ADC; Integrated AES security coprocessor; Have 2 USART powerful, that support several groups of agreements, and a MAC timer that meets the IEEE802.15.4 standard, 16 bit timers of a routine and 28 bit timers.
Wireless transmission of the present invention (adopting the ZigBee wireless transmission) transceiver circuit adopts PCB wireless antenna circuit, and communication distance is 30～70m.
Described temperature survey point altogether 8 tunnel, the temperature sensor of each temperature survey point adopt the digital components and parts DS18B20 of the 3 foot PR-35 of U.S. DALLAS company encapsulation, and temperature measurement range is in+30 ℃～+ 45 ℃ scopes, have ± 0.1 ℃ precision.Though System on Chip/SoC (SoC) itself has temperature survey, its precision is low and be unfavorable for patient's measurement of bldy temperature, so select DS18B20, measuring distance can reach 20 meters.Described power circuit becomes+5 volts of unidirectional currents to 220 volts of AC rectifications, through REG1117-3.3+5 volts of unidirectional currents is become+3.3 volts of unidirectional currents again, and+5 volts of unidirectional currents and+3.3 volts of unidirectional currents are powered to Wireless Transmitter.Wherein transformation rectification module U1 is common module, if voltage and power just be fit to can, REG1117-3.3 is that+5 volts of unidirectional currents of handle become+3.3 volts of dc power supply chips.
This utility model operation principle: 8 tunnel temperature survey points of this utility model temperature sensor are by 1-Wire (monobus) and 1-Wire (monobus) terminal, the information of collecting temperature pick off is sent to System on Chip/SoC (SoC) CC2430, the information of process System on Chip/SoC (SoC) CC2430 is transferred to wireless transmission (adopting the ZigBee wireless transmission) transceiver circuit by RF_P pin, TXRX_SWTTCH pin and the RF_N pin of System on Chip/SoC (SoC) CC2430, and host computer obtains temperature information by wireless transmission (adopting the ZigBee wireless transmission) transceiver.
The characteristics that the utlity model has that circuit is simple efficient, information transmits wireless penetration, intellectuality, capacity of resisting disturbance is strong, quantities is little, cable is few, be convenient to use, cost are low.
Description of drawings
Fig. 1 is this utility model structured flowchart.
Fig. 2 is System on Chip/SoC (SoC) CC2430 of this utility model circuit structure diagram and the circuit part that clock oscillator constitutes.
Fig. 3 is 1-Wire (monobus) terminal part of this utility model circuit structure diagram.
Fig. 4 is System on Chip/SoC (SoC) CC2430 and wireless transmission (the adopting the ZigBee wireless transmission) transceiver of this utility model circuit structure diagram
Adopt PCB wireless antenna circuit part.
Fig. 5 is the power circuit part of this utility model circuit structure diagram.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described.
Fig. 1 is that structured flowchart of the present utility model mainly adopts PCB wireless antenna circuit, power circuit to form by temperature sensor, 1-Wire (monobus) terminal, System on Chip/SoC (SoC) CC2430 circuit, pierce circuit, wireless transmission (adopting the ZigBee wireless transmission) transceiver; Fig. 2 is System on Chip/SoC (SoC) CC2430 of this utility model circuit structure diagram and the circuit part that agitator constitutes, and according to two clock crystal oscillators of CC2430 job demand, first is 32MHz, for wireless receiving and dispatching provides clock; Second is 32.068KHz, and for sleep pattern provides clock, the crystal oscillator chip MC306 provide 32.068KHz crystal oscillator, and the crystal oscillator chip SM322S provide 32MHz crystal oscillator; Fig. 3 is 1-Wire (monobus) terminal part of this utility model circuit structure diagram, each terminal meets a 1-Wire (monobus), every 1-Wire (monobus) connects 8 DS18B20 temperature sensors and links by 1-Wire (monobus) terminal and System on Chip/SoC (SoC) CC2430, it needs to be noted that here DS18B20 utilizes the MOSFET pipe to adopt parasitic power supply mode; Fig. 4 is that System on Chip/SoC (SoC) CC2430 and wireless transmission (the adopting the ZigBee wireless transmission) transceiver of this utility model circuit structure diagram adopts PCB wireless antenna circuit part, RF_P pin, TXRX_SWTTCH pin and RF_N pin repeated transmission that the information of collecting temperature is delivered to System on Chip/SoC (SoC) CC2430 by the P0 oral instructions of 1-Wire (monobus) terminal and System on Chip/SoC (SoC) CC2430 are passed to wireless transmission (adopting the ZigBee wireless transmission) transceiver circuit, and host computer obtains temperature information by wireless transmission (adopting Zi gBee wireless transmission) transceiver circuit.
Finishing 8 road measurement of bldy temperatures and transmission of Information also needs corresponding software, and software comprises the two large divisions: one is DS18B20 temperature sensor and 1-Wire (monobus) part, and another is System on Chip/SoC (SoC) CC2430 part.DS 18B20 temperature sensor and 1-Wire (monobus) part software comprises DS18B20 program on the initialization bus, carry out temperature conversion program and read the temperature value program of DS18B20 on wireless transmission (the adopting the ZigBee wireless transmission) transceiver; System on Chip/SoC (SoC) CC2430 part software comprises initialize routine, ZigBee wireless transmission router and the reception program of ZigBee wireless transmission.
Claims (3)
1. an intelligent radio transmission clinical thermometer comprises temperature sensor, 1-Wire monobus terminal, System on Chip/SoC SoC, power circuit, pierce circuit, ZigBee wireless transmission transceiver circuit; It is characterized in that, temperature sensor outputs to the 1-Wire terminal by 1-Wire, the 1-Wire terminal is connected to System on Chip/SoC SoC, System on Chip/SoC SoC is connected with pierce circuit, power circuit is powered to Wireless Transmitter, System on Chip/SoC SoC and ZigBee wireless transmission transceiver circuit, host computer obtains temperature information by ZigBee wireless transmission transceiver circuit.
2. intelligent radio transmission clinical thermometer as claimed in claim 1 is characterized in that wireless transmission adopts the ZigBee wireless transmission, adopts PCB wireless antenna circuit, and communication distance is 30～70m.
3. intelligent radio transmission clinical thermometer as claimed in claim 1 is characterized in that digital components and parts are adopted in described temperature sensor; Temperature sensor is connected with the P0.1 mouth with the port P0.0 mouth of System on Chip/SoC SoC P0, adopts the monobus mode, and DS18B20 adopts parasitic power supply mode with the MOSFET pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202443206U CN201683886U (en) | 2009-12-09 | 2009-12-09 | Intelligent wirelessly-transmitted medical clinical thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202443206U CN201683886U (en) | 2009-12-09 | 2009-12-09 | Intelligent wirelessly-transmitted medical clinical thermometer |
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| Publication Number | Publication Date |
|---|---|
| CN201683886U true CN201683886U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202443206U Expired - Fee Related CN201683886U (en) | 2009-12-09 | 2009-12-09 | Intelligent wirelessly-transmitted medical clinical thermometer |
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| CN (1) | CN201683886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988032A (en) * | 2011-09-08 | 2013-03-27 | 佳木斯大学 | Monitoring terminal for medical care |
| TWI663960B (en) * | 2019-01-17 | 2019-07-01 | China Medical University Hospital | Foot deformity detection model, foot deformity detection system and foot deformity detection method |
-
2009
- 2009-12-09 CN CN2009202443206U patent/CN201683886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988032A (en) * | 2011-09-08 | 2013-03-27 | 佳木斯大学 | Monitoring terminal for medical care |
| TWI663960B (en) * | 2019-01-17 | 2019-07-01 | China Medical University Hospital | Foot deformity detection model, foot deformity detection system and foot deformity detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20111209 |