CN202313290U - Body temperature sensing tag of super-high frequency active radio frequency identification device (RFID) - Google Patents
Body temperature sensing tag of super-high frequency active radio frequency identification device (RFID) Download PDFInfo
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- CN202313290U CN202313290U CN2011203073650U CN201120307365U CN202313290U CN 202313290 U CN202313290 U CN 202313290U CN 2011203073650 U CN2011203073650 U CN 2011203073650U CN 201120307365 U CN201120307365 U CN 201120307365U CN 202313290 U CN202313290 U CN 202313290U
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- body temperature
- temperature sensing
- rfid
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Abstract
The utility model discloses a body temperature sensing tag of a super-high frequency active radio frequency identification device (RFID). The body temperature sensing tag comprises a microprocessor, a super-high frequency RFID module, a body temperature sensing module, a battery voltage monitoring module, a real-time clock circuit, a transmitting antenna, a button battery and a tag work triggering module, wherein the super-high frequency RFID module, the body temperature sensing module, a power supply voltage monitoring module, the real-time clock circuit and a power supply cathode are connected with the microprocessor through a circuit; the antenna is connected with the super-high frequency RFID module; and the tag work triggering module is connected with a power supply. The body temperature sensing tag can be used for monitoring the body temperature data of a patient in real time, and emergency of the patient can be timely dealt with.
Description
Technical field
This utility model relates to a kind of patient temperature sensing product.
Background technology
PI human temperature detecting instrument can only carry out near the sick bed in ward for the detection of patient's body temperature, and the data of collection can't be delivered directly to Control Room, and patient's emergency case medical personnel have little time to handle.
Along with the continuous promotion and application of moving recognition technology, RFID (Radio Frequency Identification, radio frequency identification) has obtained using widely in every field as a new technique.The RFID technology has huge development potentiality and application space, is considered to one of the most rising information technology of 21 century.
The expectation of modern big-and-middle-sized hospital utilizes RFID technology, computer technology, network technology and communication technology and database technology; Information such as hospital's each item management, medical treatment and nursing, goods and materials economy and research and teaching are effectively managed and used, realize the RFID application system that inside and outside information resources of hospital are shared.Simultaneously, along with improving constantly of Chinese economic development and living standards of the people, compatriots' average life span prolongs, and people are also increasingly high to the requirement of health care.Usually too many in some large hospitals because of patient; Medical personnel work heavy and have little time to carry out conventional monitoring and therapeutic to some patients; Make some emergency case of patient can not get paying close attention to and treatment timely; Cause some unnecessary influences at last, all brought loss without redemption for patient and hospital.
Therefore, be necessary to develop the electronic monitoring label that an ability is carried out remote monitoring to the basic sign data of patient.
Summary of the invention
This utility model will overcome the deficiency that PI human temperature detecting instrument can't the real-time Transmission patient temperature detects data, and a kind of active rfid tag that can monitor and transmit patient temperature in real time is provided.
1. hyperfrequency active rfid body temperature sensing label is characterized in that: comprise microprocessor, ultrahigh frequency RFID module, body temperature sensing module, battery voltage monitoring module, real time clock circuit, transmitting antenna, button cell, label work trigger module; Described RFID module, temperature monitoring module, supply voltage monitoring modular, real time clock circuit, power cathode are connected with core microprocessors through circuit respectively; Described antenna is connected with the RFID module, and described start-up circuit is connected with power supply.
The label work trigger module of hyperfrequency active rfid body temperature sensing label comprise be serially connected in the battery circuit a normally closed module switch; At the bottom of the box of described normally closed module switch and the receiver of label little magnetic medicated cap being housed cooperates; When label is packed the end into during box; Normally closed module switch breaks off, and label quits work, not power consumption this moment; When label was taken out receiver, normally closed module switch was closed, and label powers on and starts working, and the body temperature sensing module begins regularly to detect body temperature, and the RFID module is sent data.
The normally closed module switch of hyperfrequency active rfid body temperature sensing label comprise a pair of each other near ferromagnetic metal contact and a small magnet, small magnet is encapsulated in the 3mm place, top of hard contact.Little magnetic medicated cap at the bottom of this normally closed module switch is apart from the label receiver is during less than 10mm, and normally closed module switch breaks off.
4. hyperfrequency active rfid body temperature sensing label battery voltage monitoring module is not worked usually, regularly provides high level to supply power through microprocessor I/O mouth.
5. microprocessor was whenever exported a high level at a distance from 24 hours through the I/0 mouth, and the battery voltage monitoring module for power supply is provided, and ADC conversion at this moment starts, behind EOC, and microprocessor I/O mouth output low level.
6. when the cell voltage of hyperfrequency active rfid body temperature sensing label is lower than the minimum running voltage of system, label will send warning signal.
7, the temperature monitoring module of hyperfrequency active rfid body temperature sensing label is made up of little power consumption temperature sensors of high precision, and the temperature data precision of being sent is 0.0625 degree, and microprocessor compensates temperature data, and output accuracy is the temperature data of 0.1 degree.
8, the RFID module of hyperfrequency active rfid body temperature sensing label adopts little power consumption radio frequency chip, and it transmits and receives frequency is the discrete time slot ALOHA anticollision protocol of 433M, frequency shift keying FSK modulation system, CSMA/CD and intelligence.
9, cycle of transmitting of the RFID module of hyperfrequency active rfid body temperature sensing label is 25～35 seconds a random number.
Described core microprocessors can adopt microprocessor commonly used; For the preferred low-power consumption microprocessor that cuts down the consumption of energy, be below the 1 μ A and from the standby mode wakeup time to be the little power consumption microprocessor below the 1 μ s but general selection work voltage is 1.8V～3.6V, standby current; Can select the little power consumption MCM that contains built-in analog-digital converter and memory space for use, the capacity of described memory space or memory module is at least 1K, to better meet the needs of storage.
Compared with prior art, the utlity model has following advantage:
This utility model can be monitored patient's temperature data in real time, and finally is uploaded to control data corporation, is convenient to management and warning, in time handles patient's emergency case.When active rfid patient temperature monitoring label power source voltage was lower than 1.8V, label sent Low Battery alarm signal.
Description of drawings
Fig. 1 is the electrical block diagram of this utility model;
Fig. 2 is the power supply power supply monitoring sketch map of this utility model;
Fig. 3 is the start-up circuit sketch map of this utility model;
Fig. 4 is the internal structure sketch map of this utility model;
Fig. 5 is the signal transmit cycle figure of this utility model.
The specific embodiment
With reference to accompanying drawing 1,2,3:
The described a kind of active rfid patient temperature monitoring label of this utility model; Comprise core microprocessors, RFID module, temperature monitoring module, supply voltage monitoring modular, real time clock circuit, antenna, power supply, and trigger the start-up circuit that label gets into duty; Described RFID module, temperature monitoring module, supply voltage monitoring modular, real time clock circuit, power cathode are connected with core microprocessors through circuit respectively; Described antenna is connected with the RFID module, and described start-up circuit is connected with power supply.
Described start-up circuit comprises a normally closed electromagnetic switch that is connected in series with positive source, and described switch and the end of label be box-packed to have small magnet to cooperate, and packs the end into during box when label, and switch breaks off, and the electric power loop label quits work; When label is taken out the end during box; Switch closure; Label powers on and starts working, and the module that is used for monitoring in real time body temperature starts, and the RFID module is regularly sent and had the radio frequency signal (being the RFID signal) with temperature data, signal intensity, data link quality label ID number; Radio frequency signal is received and monitoring by the RFID reader in real time, and is uploaded to control data corporation.
I/O of described supply voltage monitoring modular periodic monitor microprocessor and the voltage difference between the GND through this I/O mouth output high level of timing controlled, are opened the ADC conversion simultaneously; Behind the EOC; Control this I/O mouth output low level, and close the ADC kernel, thereby reach purpose of power saving; The supply voltage that the while core microprocessors has gathering carries out self-compensating.
Microprocessor, RFID module, temperature monitoring module, supply voltage monitoring modular, real time clock circuit, antenna, start-up circuit design are on the thick PCB circuit board of 1.0mm.
Described RFID module can adopt radio frequency identification element commonly used, like radio frequency chip etc.; For the preferred little power consumption radio frequency chip that cuts down the consumption of energy.
The frequency that transmits and receives of described little power consumption radio frequency chip is preferably ISM band, can not need apply for, the free use.
Described little power consumption radio frequency chip adopt the discrete time slot ALOHA anticollision protocol of intelligence with and the frequency shift keying FSK modulation system and the CSMA/CD that carry.
The cycle that described RFID module transmits is the random number of 25S-35S, can reduce a plurality of labels and launch the signal conflict problem of bringing simultaneously.
Described core microprocessors can adopt microprocessor commonly used; For the preferred low-power consumption microprocessor that cuts down the consumption of energy, be below the 1 μ A and from the standby mode wakeup time to be the little power consumption microprocessor below the 1 μ s but general selection work voltage is 1.8V～3.6V, standby current; Can select the little power consumption MCM that contains built-in analog-digital converter and memory space for use, the capacity of described memory space or memory module is at least 1K, to better meet the needs of storage.
Microprocessor can adopt the MSP430f2132 that contains the 8Kflash memorizer, and its running voltage is that 1.8-3.6V, standby current are 0.1 μ A, and is 6 μ s from the standby mode wakeup time, is welded on the PCB circuit board through leg; The electromagnetic switch of start-up circuit is welded on the PCB circuit board through leg.
As shown in Figure 4, power supply can adopt CR2032 model button cell during practical implementation, is welded on the PCB circuit board through biserial right angle contact pin; Antenna can adopt ceramic antenna, is welded on the PCB circuit board through leg, can save the PCB circuit board space to greatest extent; The RFID module can adopt little power consumption radio frequency chip CC1101; It transmits and receives the 433MHz that frequency adopts ISM band; Adopt the discrete time slot ALOHA anticollision protocol of frequency shift keying FSK modulation system and CSMA/CD and intelligence, be welded on the PCB circuit board through leg.
As shown in Figure 5; The intervalometer benchmark of active rfid patient temperature monitoring label is set at 30S, and just each electronic tag is every at a distance from the 30S emission once, considers that a plurality of electronic tags can produce the spacing wave collision in same zone; So intervalometer to 30S; Increased random time Δ t generator, Δ t=0-5S, random time were superimposed upon on the time cycle of 30S; Finally can produce the transmit cycle at random of tn=30S ± Δ t (Δ t=0-5S), avoid signal conflict so to a great extent.Be that the cycle that the RFID module transmits is the random number of 25S-35S, can reduce a plurality of labels and launch the signal conflict problem of bringing simultaneously.
When this utility model active rfid patient temperature monitoring label specifically uses; Need from end box, to take out, electromagnetic switch is closed in the start-up circuit at this moment, and label begins to work on power; Be used for monitoring in real time the module startup of body temperature; The RFID module is regularly sent and is had the radio frequency signal (being the RFID signal) with temperature data, signal intensity, data link quality label ID number, and radio frequency signal is received and monitoring by the RFID reader in real time, and is uploaded to control data corporation.Wherein behind the label power-up initializing, detect primary power source voltage earlier, and be sent to the RFID reader, get into low power consumpting state then through the RFID module.When voltage was lower than 1.8V, label sent Low Battery alarm signal.When label does not use, put back to end box, electromagnetic switch is broken off, and electric power loop cuts off, and label quits work.
The described content of this description embodiment only is enumerating the way of realization of utility model design; Should not being regarded as of the protection domain of this utility model only limits to the concrete form that embodiment states, the protection domain of this utility model also reach in those skilled in the art according to this utility model design the equivalent technologies means that can expect.
Claims (9)
1. hyperfrequency active rfid body temperature sensing label is characterized in that: comprise microprocessor, ultrahigh frequency RFID module, body temperature sensing module, battery voltage monitoring module, real time clock circuit, transmitting antenna, button cell, label work trigger module; Described ultrahigh frequency RFID module, body temperature sensing module, supply voltage monitoring modular, real time clock circuit, power cathode are connected with microprocessor through circuit respectively; Described antenna is connected with the ultrahigh frequency RFID module, and described label work trigger module is connected with power supply.
2. hyperfrequency active rfid body temperature sensing label as claimed in claim 1; It is characterized in that: described label work trigger module comprise be serially connected in the battery circuit a normally closed module switch; At the bottom of the box of described normally closed module switch and the receiver of label little magnetic medicated cap is housed and cooperates, pack the end into during box when label, normally closed module switch breaks off; Label quits work, not power consumption this moment; When label was taken out receiver, normally closed module switch was closed, and label powers on and starts working, and the body temperature sensing module begins regularly to detect body temperature, and the RFID module is sent data.
3. hyperfrequency active rfid body temperature sensing label as claimed in claim 2; It is characterized in that: described normally closed module switch comprise a pair of each other near ferromagnetic metal contact and a small magnet; Small magnet is encapsulated in the 3mm place, top of hard contact; Little magnetic medicated cap at the bottom of this normally closed module switch is apart from the label receiver is during less than 10mm, and normally closed module switch breaks off.
4. hyperfrequency active rfid body temperature sensing label as claimed in claim 1 is characterized in that: described battery voltage monitoring module, do not work usually, and regularly provide high level to supply power through microprocessor I/O mouth.
5. hyperfrequency active rfid body temperature sensing label as claimed in claim 4; It is characterized in that: microprocessor was whenever exported a high level at a distance from 24 hours through the I/O mouth; The battery voltage monitoring module for power supply is provided; At this moment ADC conversion starts, behind EOC, and microprocessor I/O mouth output low level.
6. hyperfrequency active rfid body temperature sensing label as claimed in claim 2, it is characterized in that: when the cell voltage of label is lower than the minimum running voltage of system, label will send warning signal.
7. hyperfrequency active rfid body temperature sensing label as claimed in claim 1; It is characterized in that; Said temperature monitoring module is made up of little power consumption temperature sensors of high precision; The temperature data precision of being sent is 0.0625 degree, and microprocessor compensates temperature data, and output accuracy is the temperature data of 0.1 degree.
8. hyperfrequency active rfid body temperature sensing label as claimed in claim 1; It is characterized in that; Described RFID module adopts little power consumption radio frequency chip, and it transmits and receives frequency is the discrete time slot ALOHA anticollision protocol of 433M, frequency shift keying FSK modulation system, CSMA/CD and intelligence.
9. hyperfrequency active rfid body temperature sensing label as claimed in claim 1 is characterized in that the cycle that described RFID module transmits is 25～35 seconds a random number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203073650U CN202313290U (en) | 2011-08-23 | 2011-08-23 | Body temperature sensing tag of super-high frequency active radio frequency identification device (RFID) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203073650U CN202313290U (en) | 2011-08-23 | 2011-08-23 | Body temperature sensing tag of super-high frequency active radio frequency identification device (RFID) |
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|---|---|
| CN202313290U true CN202313290U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203073650U Expired - Fee Related CN202313290U (en) | 2011-08-23 | 2011-08-23 | Body temperature sensing tag of super-high frequency active radio frequency identification device (RFID) |
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| CN (1) | CN202313290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034898A (en) * | 2012-12-04 | 2013-04-10 | 哈尔滨工程大学 | Vehicle-mounted personnel location label having functions of low-voltage alarming and temperature real-time monitoring |
| CN104504435A (en) * | 2014-12-11 | 2015-04-08 | 杭州浙港智能科技有限公司 | Body temperature measuring radio frequency tag applied to body surface of human body |
-
2011
- 2011-08-23 CN CN2011203073650U patent/CN202313290U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034898A (en) * | 2012-12-04 | 2013-04-10 | 哈尔滨工程大学 | Vehicle-mounted personnel location label having functions of low-voltage alarming and temperature real-time monitoring |
| CN104504435A (en) * | 2014-12-11 | 2015-04-08 | 杭州浙港智能科技有限公司 | Body temperature measuring radio frequency tag applied to body surface of human body |
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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: 20120711 Termination date: 20130823 |