CN105509909A - Radio frequency identification temperature-measurement label - Google Patents
Radio frequency identification temperature-measurement label Download PDFInfo
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- CN105509909A CN105509909A CN201510847015.6A CN201510847015A CN105509909A CN 105509909 A CN105509909 A CN 105509909A CN 201510847015 A CN201510847015 A CN 201510847015A CN 105509909 A CN105509909 A CN 105509909A
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- 238000009529 body temperature measurement Methods 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000002679 ablation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a radio frequency identification temperature-measurement label comprising a temperature sensor and a single-chip microcomputer. The single-chip microcomputer consists of a storage unit, a detection unit and an alarm unit; and the storage unit stores temperature information measured by the temperature sensor. The single-chip microcomputer determines current temperature information; if the current temperature information is abnormal, the single-chip microcomputer sends out an alarm signal. According to the structure and the connection relation, the storage unit in the single-chip microcomputer can store temperature information measured by the temperature sensor independently; and when the current temperature is abnormal, the single-chip microcomputer can makes a response according to a set program, thereby realizing processing on the measured temperature by the radio frequency identification label.
Description
Technical field
The present invention relates to technical field of RFID, particularly relate to a kind of radio-frequency (RF) identification temperature measuring label.
Background technology
In recent years, radio-frequency (RF) identification (RadioFrequencyIdentification is called for short RFID) technology obtains more use in automatically identifying.Meanwhile, the research of radio-frequency (RF) identification in temperature sensor and commercialization also show good prospect.
Along with the maturation of RFID and sensor technology, people pay close attention to they are integrated in recent years.Generally speaking, REID decipherment distance can reach more than tens meters, with the RFID of intelligent sensor, is the important component part of radio sensing network.In addition, temperature is one of very important environmental parameter, and temperature sensor can monitor the temperature variation with recorded key, and in label chip, embed temperature sensing circuit is a general orientation.
Current RFID temperature measuring label is at point for measuring temperature Long-Time Service, RFID temperature measuring label is more parts as temperature monitoring system, be measuring tempeature and upload, RFID storage facilities information, RFID can not respond to abnormal temperature, and can not read-write more information, all facility informations and abnormal temperature data processing etc. are all operated in host computer and perform.When host computer fault or communication are obstructed, temperature monitoring system all lost efficacy.
Summary of the invention
Based on this, be necessary, for above-mentioned RFID temperature measuring label Problems existing, to provide a kind of radio-frequency (RF) identification temperature measuring label that can process measured temperature.
A kind of radio-frequency (RF) identification temperature measuring label, comprise temperature sensor and single-chip microcomputer, single-chip microcomputer comprises storage unit, detecting unit and alarm unit;
Temperature sensor is for detecting the temperature of environment residing for radio-frequency (RF) identification temperature measuring label;
Storage unit is used for the temperature information of storing temperature sensor measurement and default temperature threshold information;
Detecting unit is used for carrying out abnormality detection to the Current Temperatures information in storage unit, if temperature value corresponding to Current Temperatures information is higher than temperature value corresponding to the temperature threshold information preset, then detecting unit judges Current Temperatures Information abnormity;
Alarm unit is used for, when detecting unit judges Current Temperatures Information abnormity, sending warning message.
According to the radio-frequency (RF) identification temperature measuring label of the invention described above, temperature sensor is connected with single-chip microcomputer, the temperature information of the storer energy separate, stored temperature sensor measurement in single-chip microcomputer, when Current Temperatures is abnormal, monolithic function responds according to the program set, and realizes RFID tag and processes surveyed temperature.
A kind of radio-frequency (RF) identification handheld terminal, wherein integrated RF identification read write line.
According to the radio-frequency (RF) identification handheld terminal of the invention described above, it utilizes integrated radio-frequency identification reader/writer, by radio frequency identification signal and radio-frequency (RF) identification temperature measuring label interconnected, can received RF identification temperature measuring label send information, also the information that can send, to radio-frequency (RF) identification temperature measuring label, realizes the transmitted in both directions of information.
Accompanying drawing explanation
Fig. 1 is the structural representation of the radio-frequency (RF) identification temperature measuring label of one of them embodiment;
Fig. 2 is the structural representation of the radio-frequency (RF) identification temperature measuring label of one of them embodiment;
Fig. 3 is the structural representation of the radio-frequency (RF) identification temperature measuring label of one of them embodiment;
Fig. 4 is the structural representation of the radio-frequency (RF) identification temperature measuring label of one of them embodiment.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, do not limit protection scope of the present invention.
Shown in Figure 1, be an embodiment of radio-frequency (RF) identification temperature measuring label of the present invention.Radio-frequency (RF) identification temperature measuring label in this embodiment, comprises temperature sensor 100, single-chip microcomputer 110, and single-chip microcomputer 110 comprises storage unit 112, detecting unit 114 and alarm unit 116;
Temperature sensor 100 is for detecting the temperature of environment residing for RFID tag;
The temperature information that storage unit 112 is measured for storing temperature sensor 100 and default temperature threshold information;
Detecting unit 114 is for carrying out abnormality detection to the Current Temperatures information in storage unit 112, if temperature value corresponding to Current Temperatures information is higher than temperature value corresponding to the temperature threshold information preset, then detecting unit 114 judges Current Temperatures Information abnormity;
Alarm unit 116, for when detecting unit 114 judges Current Temperatures Information abnormity, sends warning message.
Temperature sensor 100 is connected with single-chip microcomputer 110, the temperature information that storer energy separate, stored temperature sensor 100 in single-chip microcomputer 110 is measured, when Current Temperatures is abnormal, single-chip microcomputer 110 can respond according to the program set, and realizes RFID tag and processes surveyed temperature.
Preferably, be set with threshold temperature information in the software program of single-chip microcomputer 110, temperature sensor 100 is by special function register bus (SFRBUS) and single-chip microcomputer 110 communication.The clock period that single-chip microcomputer 110 sets arrives, then by bus and temperature sensing 100 communication, send to temperature sensor 100 and obtain temperature data instruction, the temperature data got is sent to single-chip microcomputer 110 after receiving the acquisition temperature data instruction of single-chip microcomputer 110 by temperature sensor 100 at once, single-chip microcomputer 110 get temperature data after by temperature data Processing Algorithm, obtain current temperature, to be stored in static RAM (SRAM) and to contrast with the threshold temperature set, if Current Temperatures numerical value is higher than the threshold temperature of setting, then do alert process, thus realize intelligent management.
Wherein in an embodiment, as shown in Figure 2, radio-frequency (RF) identification temperature measuring label also comprises radio-frequency (RF) identification chip 120, RFID antenna 130;
Storage unit 112 is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
The first radio frequency identification signal that radio-frequency (RF) identification chip 120 is sent by RFID antenna 130 received RF identification read write line, the temperature information stored in reading cells 112 and/or facility information, and send temperature information and/or facility information to radio-frequency identification reader/writer by RFID antenna 130.
By above-mentioned structure and annexation, radio-frequency (RF) identification chip 120 is by the signal of RFID antenna 130 received RF identification read write line, temperature information in reading cells 112 and/or facility information, and send to radio-frequency identification reader/writer, can understand by radio-frequency identification reader/writer the temperature information and/or facility information that radio-frequency (RF) identification temperature measuring label stores at any time.
Preferably, radio-frequency (RF) identification chip 120 is connected with single-chip microcomputer 110 by special function register bus, and storage unit 112 is static RAM (SRAM).Radio-frequency (RF) identification chip 100 receives the first radio frequency identification signal from rfid interrogator by external RFID antenna 110, first radio frequency identification signal is the reading signal that rfid interrogator sends, rfid interrogator is fed back to for the temperature information of the interior corresponding stored address of static RAM (SRAM) by being stored in single-chip microcomputer 110 and/or facility information, thus realize rfid interrogator and directly read temperature information and/or facility information, process without the need to host computer PC, temperature information and/or facility information that radio-frequency (RF) identification temperature measuring label stores can be understood at any time when case of emergency.
Wherein in an embodiment, radio-frequency (RF) identification temperature measuring label also comprises radio-frequency (RF) identification chip 120, RFID antenna 130;
Storage unit 112 is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Radio-frequency (RF) identification chip 120 receives the second radio frequency identification signal by RFID antenna 130, in the storage unit 112 of single-chip microcomputer 110, write the temperature information corresponding to the second radio frequency identification signal and/or facility information.
Preferably, radio-frequency (RF) identification chip 120 receives the second radio frequency identification signal from rfid interrogator by external RFID antenna 130, second radio frequency identification signal is the write signal that rfid interrogator sends, for the write temperature information corresponding to the second radio frequency identification signal and/or facility information in the memory address that the static RAM (SRAM) at single-chip microcomputer 110 is corresponding, thus realize rfid interrogator to the write temperature information of the static RAM (SRAM) of single-chip microcomputer 110 and/or facility information operation.
In a preferred embodiment, radio-frequency (RF) identification chip 120 is by RFID antenna 130 received RF identification signal, the temperature information stored in reading cells 112 and/or facility information, and send this temperature information and facility information by RFID antenna 130; And/or radio-frequency (RF) identification chip 120, by RFID antenna 130 received RF identification signal, writes the temperature information corresponding to radio frequency identification signal and/or facility information in storage unit 112.
Concrete, radio-frequency (RF) identification chip 120 receives the radio frequency identification signal from rfid interrogator by external RFID antenna 130, carries out read-write operation to the temperature information in the static RAM (SRAM) of single-chip microcomputer 110 and/or facility information.
Wherein in an embodiment, as shown in Figure 3, radio-frequency (RF) identification temperature measuring label also comprises radio-frequency (RF) transceiver 140 and radio-frequency antenna 150,
Storage unit 112 is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Radio-frequency (RF) transceiver 140 reads temperature information in the storage unit 112 of single-chip microcomputer 110 and/or facility information, and sends temperature information and/or facility information to host computer by radio-frequency antenna 150.
Preferably, radio-frequency (RF) transceiver 140 is connected with single-chip microcomputer 110 by special function register bus, the temperature information that setting address in the static RAM of single-chip microcomputer 110 (SRAM) can store by radio-frequency (RF) transceiver 140 and/or facility information are by the outside timing of external radio-frequency antenna 150 or send in real time, host computer PC receives by radio-frequency antenna 150 information that radio-frequency (RF) transceiver sends, thus realizes host computer PC and read temperature information and/or facility information.
Wherein in an embodiment, radio-frequency (RF) identification temperature measuring label also comprises radio-frequency (RF) transceiver 140 and radio-frequency antenna 150,
Storage unit 112 is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Radio-frequency (RF) transceiver 140 receives the radiofrequency signal of host computer transmission by radio-frequency antenna 150, in the storage unit 112 of single-chip microcomputer 110, write the temperature information corresponding to radiofrequency signal and/or facility information.
Preferably, host computer PC sends radiofrequency signal to radio-frequency (RF) transceiver 140 by radio-frequency antenna 150, after radio-frequency (RF) transceiver 140 receives radiofrequency signal, the write temperature information corresponding to radiofrequency signal and/or facility information in the static RAM (SRAM) of single-chip microcomputer 110, thus realize host computer PC to the write temperature information of static RAM (SRAM) of single-chip microcomputer 110 and/or the operation of facility information.
In a preferred embodiment, the temperature information stored in radio-frequency (RF) transceiver 140 reading cells 112 and facility information, and send this temperature information and/or facility information by radio-frequency antenna 150; And/or radio-frequency (RF) transceiver 140, by radio-frequency antenna 150 received RF signal, writes the temperature information corresponding to radiofrequency signal and/or facility information in storage unit 112.
Concrete, host computer PC receives by radio-frequency antenna 150 information that radio-frequency (RF) transceiver 140 sends, thus realizes host computer PC and read temperature information and/or facility information; Host computer PC also sends radiofrequency signal to radio-frequency (RF) transceiver 140 by radio-frequency antenna 150, writes temperature information and/or facility information in storage unit 112, thus realizes two-wayly reading and writing data in real time.In addition, as shown in Figure 4, radio-frequency (RF) identification temperature measuring label both interconnected by radio-frequency (RF) transceiver and host computer, can be interconnected by radio-frequency (RF) identification chip and rfid interrogator again, when interconnecting with rfid interrogator, can read and write the facility information of radio-frequency (RF) identification temperature measuring label and Current Temperatures or the historical temperature in certain a period of time when not networking.
Wherein in an embodiment, storage unit 112 is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Warning message comprises temperature anomaly information and facility information.
When Current Temperatures information occurs abnormal, radio-frequency (RF) identification temperature measuring label can provide temperature anomaly information and facility information, and temperature anomaly appears in convenient which kind of equipment of understanding in time.
Wherein in an embodiment, temperature information is the Current Temperatures information of temperature sensor measurement, and/or the historical temperature information of temperature sensor measurement.In the present embodiment, radio-frequency (RF) identification temperature measuring label not only can process the Current Temperatures information of temperature sensor measurement, can also process the historical temperature information of temperature sensor measurement.
In the present invention, in order to can effectively use for a long time when active battery is powered, reduce the power consumption of system as much as possible, the reading of radio-frequency (RF) identification chip and ablation process all adopt passive power supply mode; The signal transmitting and receiving of radio-frequency (RF) transceiver can regularly be received and dispatched as required (be 1 beat/min at ordinary times, time abnormal 1 time/3 seconds); Temperature sensor should according to the transmitting-receiving setting sampling period of radio-frequency (RF) transceiver.
In the present invention, facility information mainly refers to table of equipment account information, and this equipment account information grasps business equipment condition of assets, reflects the Main Basis of the owning amount of enterprise's all kinds equipment, device distribution and change conditions thereof.Its content can have: device name, and model specification buys the date, tenure of use, the period of depreciation, asset number, uses department's behaviour in service etc.Equipment account information spinner will present in table form, all needs every year to upgrade it and make an inventory.
Wherein in an embodiment, single-chip microcomputer is the microcontroller of super low-power consumption, and microcontroller is all down to by communication is transmitted electric current, communications reception electric current, activity and sleep current the minimum running microcontroller, reduces the power consumption of single-chip microcomputer.
Preferably, single-chip microcomputer adopts the wireless MCU of Si106x/8x of SiliconLabs, it possesses high performance wireless online ability and super low-power consumption, appearance is the small package of 5mmx6mm, support 142 is to the main frequency range of 1050MHz scope, comprise integrated advanced package processing engine, and the link budget up to 146dB can be realized.Be down to minimum by communication being transmitted electric current, communications reception electric current, activity and sleep pattern electric current, during operation, the movable electric current of single-chip microcomputer is 20 μ A, sleep current (being with inner RTC) can be 650nA, and the fast wake-up time is 2 μ s, so can being down to minimum with the energy ezpenditure of battery powered application, thus reduce the power consumption of single-chip microcomputer, radio-frequency (RF) identification temperature measuring label overall power is controlled within the acceptable range.Si106x/8x is wireless MCU and Si108x device pin compatibility, can extend to the flash memory of 8 to 64kB, conveniently stores more information, and can provide a set of powerful analog-and digital-peripherals.
The invention provides a kind of radio-frequency (RF) identification temperature measuring label, wherein, the temperature information of the storage unit energy separate, stored temperature sensor measurement in single-chip microcomputer, when Current Temperatures is abnormal, monolithic function responds according to the program set, and radio-frequency (RF) identification chip outwards sends temperature information and facility information by RFID antenna, also can pass through RFID antenna received RF identification signal, in the storer of single-chip microcomputer, write temperature information and facility information; Radio-frequency (RF) transceiver outwards regularly or in real time sends temperature information and facility information by radio-frequency antenna, also by radio-frequency antenna received RF signal, writes temperature information and facility information in the storer of single-chip microcomputer.Radio-frequency (RF) identification temperature measuring label both interconnected by radio-frequency (RF) transceiver and host computer, can be interconnected by radio-frequency (RF) identification chip and rfid interrogator again, when interconnecting with rfid interrogator, can read and write the facility information of radio-frequency (RF) identification temperature measuring label and Current Temperatures or the historical temperature in certain a period of time when not networking.
The present invention also provides a kind of radio-frequency (RF) identification handheld terminal, wherein integrated RF identification read write line, by radio frequency identification signal and radio-frequency (RF) identification temperature measuring label interconnected, received RF identification temperature measuring label send information, and/or, send information to radio-frequency (RF) identification temperature measuring label.
Radio-frequency (RF) identification handheld terminal possesses rfid interrogator function, radio-frequency (RF) identification chip 120 receives the radio frequency identification signal from radio-frequency (RF) identification handheld terminal by external RFID antenna 130, read-write operation is carried out to the temperature information in storage unit 112 and facility information, and read-write operation can be carried out when not networking, the temperature information that label stores can be understood at any time when case of emergency.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a radio-frequency (RF) identification temperature measuring label, is characterized in that, comprises temperature sensor and single-chip microcomputer, and described single-chip microcomputer comprises storage unit, detecting unit and alarm unit;
Described temperature sensor is for detecting the temperature of environment residing for described radio-frequency (RF) identification temperature measuring label;
Described storage unit is for storing the temperature information of described temperature sensor measurement and default temperature threshold information;
Described detecting unit is used for carrying out abnormality detection to the Current Temperatures information in described storage unit, if temperature value corresponding to described Current Temperatures information is higher than temperature value corresponding to described default temperature threshold information, then described detecting unit judges described Current Temperatures Information abnormity;
Described alarm unit is used for, when described detecting unit judges Current Temperatures Information abnormity, sending warning message.
2. radio-frequency (RF) identification temperature measuring label according to claim 1, is characterized in that, also comprises radio-frequency (RF) identification chip and RFID antenna;
Described storage unit is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
The first radio frequency identification signal that described radio-frequency (RF) identification chip is sent by described RFID antenna received RF identification read write line, read the temperature information and/or facility information that store in described storage unit, and send described temperature information and/or facility information to described radio-frequency identification reader/writer by described RFID antenna.
3. radio-frequency (RF) identification temperature measuring label according to claim 1, is characterized in that, also comprises radio-frequency (RF) identification chip and RFID antenna;
Described storage unit is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
The second radio frequency identification signal that described radio-frequency (RF) identification chip is sent by described RFID antenna received RF identification read write line, writes the temperature information corresponding to described second radio frequency identification signal and/or facility information in described storage unit.
4. radio-frequency (RF) identification temperature measuring label according to claim 1, is characterized in that, also comprises radio-frequency (RF) transceiver and radio-frequency antenna;
Described storage unit is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Described radio-frequency (RF) transceiver reads the temperature information and/or facility information that store in described storage unit, and sends described temperature information and/or facility information to host computer by radio-frequency antenna.
5. radio-frequency (RF) identification temperature measuring label according to claim 1, is characterized in that, also comprises radio-frequency (RF) transceiver and radio-frequency antenna;
Described storage unit is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Described radio-frequency (RF) transceiver receives the radiofrequency signal of host computer transmission by radio-frequency antenna, in described storage unit, write the temperature information corresponding to described radiofrequency signal and/or facility information.
6. radio-frequency (RF) identification temperature measuring label according to claim 1, is characterized in that,
Described storage unit is also for storing the facility information of the use equipment corresponding with described radio-frequency (RF) identification temperature measuring label;
Described warning message comprises temperature anomaly information and described facility information.
7. radio-frequency (RF) identification temperature measuring label as claimed in any of claims 1 to 6, is characterized in that, described temperature information is the Current Temperatures information of described temperature sensor measurement, and/or the historical temperature information of described temperature sensor measurement.
8. the radio-frequency (RF) identification temperature measuring label according to Claims 2 or 3, is characterized in that, the reading of described radio-frequency (RF) identification chip or ablation process all adopt passive power supply mode.
9. radio-frequency (RF) identification temperature measuring label as claimed in any of claims 1 to 6, it is characterized in that, described single-chip microcomputer is the microcontroller of super low-power consumption, described microcontroller is all down to by communication is transmitted electric current, communications reception electric current, activity and sleep current the minimum running microcontroller, reduces the power consumption of described single-chip microcomputer.
10. a radio-frequency (RF) identification handheld terminal, is characterized in that, the radio-frequency identification reader/writer in the integrated claim 2,3,7,8 and 9 of described radio-frequency (RF) identification handheld terminal described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847015.6A CN105509909A (en) | 2015-11-26 | 2015-11-26 | Radio frequency identification temperature-measurement label |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510847015.6A CN105509909A (en) | 2015-11-26 | 2015-11-26 | Radio frequency identification temperature-measurement label |
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| CN105509909A true CN105509909A (en) | 2016-04-20 |
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| CN201510847015.6A Pending CN105509909A (en) | 2015-11-26 | 2015-11-26 | Radio frequency identification temperature-measurement label |
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Cited By (1)
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| CN110750413A (en) * | 2019-09-06 | 2020-02-04 | 深圳平安通信科技有限公司 | Multi-machine room temperature alarm method and device and storage medium |
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Application publication date: 20160420 |