CN103714356A - Temperature measurement method based on passive radio-frequency label - Google Patents
Temperature measurement method based on passive radio-frequency label Download PDFInfo
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- CN103714356A CN103714356A CN201210374652.2A CN201210374652A CN103714356A CN 103714356 A CN103714356 A CN 103714356A CN 201210374652 A CN201210374652 A CN 201210374652A CN 103714356 A CN103714356 A CN 103714356A
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Abstract
The invention provides a temperature measurement method based on a passive radio-frequency label technology of an integrated temperature sensor. The method is characterized in that the following steps are included at a radio-frequency reader-writer: step A: receiving a request which instructs the radio-frequency reader-writer to send a first radio-frequency signal to a passive wireless radio-frequency label; step B: sending the first radio-frequency signal to the passive radio-frequency label so that the passive radio-frequency label demodulates the first radio-frequency signal and identifies first instruction information, wherein the first instruction information includes a request which instructs the passive radio-frequency label to activate an embedded temperature sensor in the passive radio-frequency label; and step C: receiving a second radio-frequency signal sent by the passive radio-frequency label, wherein the second radio-frequency signal is generated through demodulation of electrical signal data by the passive radio-frequency label and the electrical signal data are converted from temperature data of temperatures detected by the embedded temperature sensor.
Description
Technical field
The present invention relates to field of information transmission, relate in particular to less radio-frequency field of information transmission.
Background technology
In prior art, based on less radio-frequency, carry out thermometric radio frequency label and mostly be active radio frequency label and half active radio frequency label.Yet active or half active radio frequency label general cost is high, work energy consumption is high, volume is large and also have the hidden danger (battery pollution) of safety and environmental protection.Particularly, example half active radio frequency label 2 as shown in Figure 1, it is widely used in cold chain transportation industry, and its frequency of operation is 13.56MHz, the about 200g of its weight, length is about 100mm, and width is about 58mm, and thickness is about 10mm.Specifically can be referring to monobasic coin 1 size shown in the upper figure of Fig. 1 and the size of described half active radio frequency label 2.Because the radio frequency label for thermometric in prior art is difficult in temperature sensor integrated wireless radio frequency tag chip, therefore and active and half active radio frequency label needs powered battery, volume active and half active radio frequency label is conventionally larger.
At medical field, especially in this segmentation part of measurement of bldy temperature, relatively adopt other vital signs such as pulse, blood pressure of electronic metering equipment, it is master that the measurement of bldy temperature of Hospitals at Present has still been used traditional mercury slug clinical thermometer manual measurement.Manual measurement and craft was for several times checked patient information and temperature data was inputted to computer and draw vital signs curve map every day, was not only the generation of bearing, and increased greatly a lot of manual errors that nurse works every day.In addition, due to active and half active radio frequency label volume is excessive, at the measurement of bldy temperature of medical field and the temperature survey of skin-grafting place after skin grafting, be difficult to carry out with active and half active radio frequency label.
On the other hand, with high costs based on existing radio frequency label, one active and even half active radio frequency label cost is higher, in cold chain transportation industry, is conventionally difficult to radio frequency label of each single product configuration to carry out temperature detection and product information identification.It can only carry out temperature detection to a plurality of single product or single region in cold chain transportation process.
Summary of the invention
For carrying out thermometric radio frequency label based on less radio-frequency in prior art, mostly be active radio frequency label and half active radio frequency label, and active or half active radio frequency label general cost is high, work energy consumption is high, volume is large and also have the technological deficiency of the hidden danger (battery pollution) of safety and environmental protection, the invention provides a kind of temp measuring method based on passive and wireless radio-frequency (RF) tag, it is characterized in that, at radio frequency read/write, place comprises the steps: steps A. receive the described radio frequency read/write of indication to the request of the first radiofrequency signal of a passive and wireless radio-frequency (RF) tag transmission, step B. sends described the first radiofrequency signal for the demodulation of described passive and wireless radio-frequency (RF) tag and identifies the first indication information to described passive and wireless radio-frequency (RF) tag, and described the first indication information comprises that the described passive and wireless radio-frequency (RF) tag of indication activates the request of the embedded temperature sensor in described passive and wireless radio-frequency (RF) tag, and step C. is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, by described passive and wireless radio-frequency (RF) tag, to electrical signal data, modulation generates described the second radiofrequency signal, and described electrical signal data is transformed by the temperature data of the temperature being detected by described embedded temperature sensor.
Preferably, described steps A comprises: receive the described radio frequency read/write automatic or manual of indication and with the adjustable cycle, to described passive and wireless radio-frequency (RF) tag, send the request of the first radiofrequency signal; Adaptably, described step B comprises: automatic or manual sent the first radiofrequency signal for the demodulation of described passive and wireless radio-frequency (RF) tag and identifies the first indication information to described passive and wireless radio-frequency (RF) tag with the adjustable cycle; Described step C comprises: automatic or manual is received from the adjustable cycle the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends.。
Preferably, described the first indication information also comprises one or more of following information: indicate the embedded temperature sensor of described passive and wireless radio-frequency (RF) tag to collect the request of measurement data; Or indicate described radio frequency read/write to the request of described passive and wireless radio-frequency (RF) tag reading/writing data.
Preferably, described radio frequency read/write and terminal communicate, and described request is sent by described terminal, and described temperature data is sent to described terminal, and described terminal is used for recording described temperature data or described temperature data is carried out to graphical treatment.
Preferably, described terminal is a processing terminal, and wherein, described passive and wireless radio-frequency (RF) tag is embedded in described processing terminal.
Preferably, described terminal is a remote terminal, and wherein, described radio frequency read/write is connected with a remote terminal by network.
Preferably, described terminal is a processing terminal or a remote terminal, and wherein, described radio frequency read/write is embedded in a processing terminal, and described processing terminal is connected with a remote terminal by network,
Preferably, by described passive and wireless radio-frequency (RF) tag, to electrical signal data, modulation generates described the second radiofrequency signal, and described electrical signal data is transformed by the temperature data of the temperature being detected by described embedded temperature sensor and the identification information of described passive and wireless radio-frequency (RF) tag.
Preferably, the identification information of described passive and wireless radio-frequency (RF) tag is associated with testee information, and the identification information of described passive and wireless radio-frequency (RF) tag, testee information and described temperature data are stored in as one or more in upper/lower positions: as described in passive and wireless radio frequency tag chip; Processing terminal; Remote terminal; Or cloud platform.
Preferably, described method comprises: be received from the radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, and described radiofrequency signal demodulation is obtained after described temperature data, judge that described temperature data is whether within the scope of secure threshold, if described temperature data, not within the scope of described secure threshold, carries out alert action.
According to another aspect of the present invention, a kind of temp measuring method of the passive and wireless radio-frequency (RF) tag technology based on integrated temperature sensor is also provided, it is characterized in that, the step at described passive and wireless radio-frequency (RF) tag place comprises: step a. is received from the first radiofrequency signal that a radio frequency read/write sends, to described the first radiofrequency signal demodulation and identify the first indication information, described the first indication information indicates described passive and wireless radio-frequency (RF) tag to activate embedded temperature sensor; Embedded temperature sensor detected temperatures described temperature data is converted into electrical signal data and stores described in step b.; And step c generates the second radiofrequency signal and is sent to described radio frequency read/write described electrical signal data modulation.
Preferably, described method also comprises: receive described the first radiofrequency signal, and described radiofrequency signal is carried out to rectification so that the supply voltage of each submodule of described passive and wireless radio-frequency (RF) tag to be provided.
Preferably, described the first indication information also comprises one or more of following information: indicate the embedded temperature sensor of described passive and wireless radio-frequency (RF) tag to collect the request of measurement data; Or indicate described radio frequency read/write to the request of described passive and wireless radio-frequency (RF) tag reading/writing data.
The present invention, by the passive and wireless radio-frequency (RF) tag of embedded temperature sensor, realizes the temperature real-time measurement in the fields such as medical treatment and cold chain transmission and collects and by processing terminal or remote terminal, the temperature of measuring is recorded or graphical treatment.When measuring temperature in real time, if exceeding safe temperature threshold, the temperature data of measuring reports to the police.In addition, can also be to article to be measured or sick identification of people, to obtain thermometric history or other main informations of these article or this patient.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates according to the first embodiment of the present invention, the schematic diagram of half active RFID temperature label passive and wireless radio-frequency (RF) tag and existing;
Fig. 2 illustrates according to a second embodiment of the present invention, at the process flow diagram of passive and wireless radio-frequency (RF) tag place thermometric;
Fig. 3 illustrates a third embodiment in accordance with the invention, drives passive and wireless radio-frequency (RF) tag thermometric and obtain the process flow diagram of passive and wireless radio-frequency (RF) tag identification information and temperature data at radio frequency read/write place;
Fig. 4 illustrates a fourth embodiment in accordance with the invention, the process flow diagram that drives passive and wireless radio-frequency (RF) tag thermometric at radio frequency read/write place and carry out alarm according to measurement temperature;
Fig. 5 illustrates according to a fifth embodiment of the invention, based on passive and wireless radio-frequency (RF) tag and the mutual process flow diagram of radio frequency read/write;
Fig. 6 illustrates according to a specific embodiment of the present invention, based on passive and wireless radio-frequency (RF) tag thermometric and by the sequential chart of processing terminal deal with data;
Fig. 7 illustrates according to the present invention another embodiment, based on passive and wireless radio-frequency (RF) tag thermometric and by the sequential chart of remote terminal deal with data;
Fig. 8 illustrates according to the present invention another embodiment, processes the sequential chart being forwarded by processing terminal based on passive and wireless radio-frequency (RF) tag thermometric and by remote terminal;
Fig. 9 illustrates according to the present invention another embodiment, based on passive and wireless radio-frequency (RF) tag thermometric, by processing terminal deal with data and be sent to the sequential chart of remote terminal.
Embodiment
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
The invention provides a kind of temp measuring method based on passive and wireless radio-frequency (RF) tag, particularly, for the described passive and wireless radio-frequency (RF) tag 3 of thermometric as shown in Figure 1.Fig. 1 shows 31, one pieces of monobasic coins 1 of described passive and wireless radio frequency tag chip and the half active radio frequency label 2 of described passive and wireless radio-frequency (RF) tag 3 and embedded temperature sensor.Passive and wireless radio frequency tag chip 31 is as shown in Figure 1 of a size of 0.9mm*1.25mm, and described passive and wireless radio-frequency (RF) tag 3 is of a size of 15mm*25mm.Particularly, it will be appreciated by those skilled in the art that, according to different measurement environment, the size of described passive and wireless radio-frequency (RF) tag 3 is relevant according to the design of antenna under different situations.Particularly, do not repeat them here.The concrete size of described passive and wireless radio-frequency (RF) tag 3 is referring to the shown object of reference monobasic of Fig. 1 figure below coin 1.As shown in Fig. 1 figure below, significantly, active or half active radio frequency label 2 is much smaller described in the volume ratio of described passive and wireless radio-frequency (RF) tag 1, its cost is much lower than active or half active radio frequency label also.Temp measuring method based on described passive and wireless radio-frequency (RF) tag 3, at described passive and wireless radio-frequency (RF) tag place, it is without embedded battery, energy-conserving and environment-protective more.Use the radio frequency read/write that makes of radio frequency can drive at a distance temperature sensor measurement temperature embedded in described passive and wireless radio-frequency (RF) tag 3 and temperature data can be transmitted back to described radio frequency read/write.
It will be appreciated by those skilled in the art that the characteristic due to described passive and wireless radio-frequency (RF) tag 3, make temp measuring method provided by the present invention to carry out temperature survey at medical field and cold chain transportation field.Described thermometric is also not limited only to this two fields, for example in herding field to measurement of animal temperature etc.Particularly, method provided by the present invention can realize in cold chain transportation field the temperature survey of the low-cost product that place an order and the transmission of temperature data and information.Another one aspect, method provided by the present invention can replace artificial thermometric to realize the temperature survey of patient under low cost at medical field, and temperature data and patient history information is associated etc.
Further, the temperature-measuring range of described passive and wireless radio-frequency (RF) tag 3 carries out the setting of different parameters to the temperature sensor of described passive and wireless radio frequency tag chip 31 according to specific environment.For example, when measuring human body temperature, the temperature-measuring range of described passive and wireless radio-frequency (RF) tag 3 is preferably at 35-40 degree Celsius, and measuring error is at ± 0.1 degree Celsius.If described passive and wireless radio-frequency (RF) tag 3 is for cold chain transportation, described temperature-measuring range is preferably at-25-30 degree Celsius, and measuring error is ± 0.5 degree Celsius.
Fig. 2 illustrates according to a second embodiment of the present invention, at the process flow diagram of passive and wireless radio-frequency (RF) tag place thermometric.Particularly, originally illustrating five steps, is first step S101, and described passive and wireless radio-frequency (RF) tag receives the first radiofrequency signal sending from described radio frequency read/write.Described the first radiofrequency signal comprises that the described passive and wireless radio-frequency (RF) tag of indication activates the first indication information of embedded temperature sensor.Perform step afterwards S102, described passive and wireless radio-frequency (RF) tag is by described the first radiofrequency signal rectification, so that the supply voltage of inner each submodule of described passive and wireless radio frequency tag chip to be provided.The supply voltage that it will be appreciated by those skilled in the art that inner each submodule of described passive and wireless radio frequency tag chip is different.Described passive and wireless radio frequency tag chip is to described the first radiofrequency signal rectification and carry out the management of a sub-modular power source voltage, makes the driven work of each submodule.Step S103, described passive and wireless radio-frequency (RF) tag further to described the first radiofrequency signal demodulation to identify described the first indication information.Described in activating, the described passive and wireless radio-frequency (RF) tag of indicating described the first indication information is embedded in the temperature sensor of described passive and wireless radio-frequency (RF) tag.Particularly, one at the present embodiment changes in example, described the first indication information is encoded by described radio frequency read/write and is modulated described the first radiofrequency signal of rear generation and is sent to described passive and wireless radio-frequency (RF) tag, described passive and wireless radio-frequency (RF) tag, first to described the first radio demodulating decoding, identifies described the first indication information afterwards.Step S104, described passive and wireless radio-frequency (RF) tag activates and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip according to the indication of described the first indication information, described temperature sensor senses environment temperature, obtain after temperature data, described temperature sensor is converted into electric signal by described temperature data and is stored in described passive and wireless radio-frequency (RF) tag.Be finally step S105, described passive and wireless radio-frequency (RF) tag generates described electric signal modulation the second radiofrequency signal and is sent to described radio frequency read/write.
One at the present embodiment changes in example, and described the first indication information indicates the embedded temperature sensor of described passive and wireless radio-frequency (RF) tag to collect measurement data.Described passive and wireless radio-frequency (RF) tag receives after described the first indication information, according to indication, the measurement data being stored in described passive and wireless radio-frequency (RF) tag is sent to described radio frequency read/write after modulation.At another, change in example, described the first indication information indicates described radio frequency read/write to described passive and wireless radio-frequency (RF) tag reading/writing data, if described the first indication information indicates described radio frequency read/write to described passive and wireless radio-frequency (RF) tag reading out data, preferably, described passive and wireless radio-frequency (RF) tag will be sent in described radio frequency read/write after the identification information of described label or the information modulation that is associated with described identification information.If described the first indication information indicates described radio frequency read/write to described passive and wireless radio-frequency (RF) tag data writing, preferably, described passive and wireless radio-frequency (RF) tag receive data that described radio frequency read/write will write and by described data storing to described passive and wireless radio-frequency (RF) tag.Particularly, it will be appreciated by those skilled in the art that the data optimization ground being written into, is the relevant information of described passive and wireless radio-frequency (RF) tag measurement.
Fig. 3 illustrates a third embodiment in accordance with the invention, drives passive and wireless radio-frequency (RF) tag thermometric and obtain the process flow diagram of passive and wireless radio-frequency (RF) tag identification information at radio frequency read/write place.Particularly, originally illustrating four steps, is first step S201, and described radio frequency read/write is received from the request that processing terminal sends, and asks described radio frequency read/write to send described the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag.Described radio frequency read/write is embedded in described processing terminal, and described processing terminal is used for receiving described temperature data, and records described temperature data, or described temperature data is carried out to graphical treatment.Step S202, described radio frequency read/write sends described the first radiofrequency signal according to the solicited message receiving to described passive and wireless radio-frequency (RF) tag, wherein, described the first radiofrequency signal comprises described the first indication information, and described the first indication information is indicated described passive and wireless radio-frequency (RF) tag to activate and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip.Preferably, described the first indication information is encoded generates described the first radiofrequency signal and is sent to described passive and wireless radio-frequency (RF) tag by described radio frequency read/write with modulation is rear.Perform step afterwards S203, described radio frequency read/write is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, described radio frequency read/write obtains described electric signal to described the second radiofrequency signal demodulation, and described electric signal is transformed by the identification information of described temperature data and described passive and wireless radio-frequency (RF) tag.Described radio frequency read/write execution step S205, further transforms the identification information that described electric signal obtains described temperature data and described passive and wireless radio-frequency (RF) tag.One at the present embodiment changes in example, the encoded modulation of described electric signal is received by described radio frequency read/write after generating described the second radiofrequency signal, and described radio frequency read/write obtains described electric signal to described the second radiofrequency signal demodulation and after decoding and also further obtains the identification information of described temperature data and described passive and wireless radio-frequency (RF) tag.Particularly, the identification information of described passive and wireless radio-frequency (RF) tag is associated with testee information.For example, temp measuring method provided by the present invention is applied to cold chain transportation field, the identification information of described passive and wireless radio-frequency (RF) tag and the Item Information of transportation are associated, when reading described temperature data, can also know the temperature which article this temperature data is, the production of these article, traffic condition etc.Again for example, temp measuring method provided by the present invention is applied to medical field, the identification information of described passive and wireless radio-frequency (RF) tag is associated with patient information or patient's electronic health record, when reading described temperature data, can also know patient's historical case history and other information.More specifically, in the application of cold chain transmission field, described passive and wireless label is placed on described article, when this article are delivered to user and are located through each transportation, preferably, user use the mobile phone of embedded radio frequency read/write read temperature information in the whole transportation of described article and other information with supervision article the situation in whole transportation.
Particularly, those skilled in the art understand, one at above-described embodiment changes in example, carry out described step S201', described radio frequency read/write is received from the request that described remote terminal sends, and radio frequency read/write sends the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag described in described request request.
Adaptably, Fig. 4 illustrates a fourth embodiment in accordance with the invention, drives passive and wireless radio-frequency (RF) tag thermometric and according to the process flow diagram of measuring temperature and carrying out alarm at radio frequency read/write place.Particularly, originally illustrating five steps, is first step S301, and described radio frequency read/write is received from the request that processing terminal sends, and asks described radio frequency read/write to send described the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag.Described radio frequency read/write is embedded in described processing terminal, and described processing terminal is used for receiving described temperature data, and records described temperature data, or described temperature data is carried out to graphical treatment.Step S302, described radio frequency read/write sends described the first radiofrequency signal according to the solicited message receiving to described passive and wireless radio-frequency (RF) tag, wherein, described the first radiofrequency signal comprises described the first indication information, and described the first indication information is indicated described passive and wireless radio-frequency (RF) tag to activate and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip.Preferably, described the first indication information is encoded generates described the first radiofrequency signal and is sent to described passive and wireless radio-frequency (RF) tag by described radio frequency read/write with modulation is rear.Perform step afterwards S303, described radio frequency read/write is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, described radio frequency read/write obtains described electric signal to described the second radiofrequency signal demodulation, described electric signal is transformed by described temperature data, and described radio frequency read/write further transforms described electric signal and obtains described temperature data.One at the present embodiment changes in example, the encoded modulation of described electric signal is received by described radio frequency read/write after generating described the second radiofrequency signal, and described radio frequency read/write obtains described electric signal and further obtains described temperature data to described the second radiofrequency signal demodulation and after decoding.Perform step afterwards S304, judge that described temperature data whether within the scope of secure threshold, if described temperature data is not within the scope of described secure threshold, performs step S305, described radio frequency read/write carries out alert action.Particularly, it will be appreciated by those skilled in the art that preferably, by described radio frequency read/write, carry out alert action, as send ring, send light etc.At one, change in example, when described temperature data is outside described secure threshold scope, described radio frequency read/write sends warning information to described processing terminal, and by described processing terminal, described warning information is processed and fed back, in such variation example, described processing terminal is preferably, the user terminal being associated with described passive and wireless radio-frequency (RF) tag carries out communication, suboptimum ground, described processing terminal carries out alert action according to described warning information, as sends ring, sends light etc.Those skilled in the art can realize more variation example, do not repeat them here.
Particularly, those skilled in the art understand, one at above-described embodiment changes in example, carry out described step S301', described radio frequency read/write is received from the request that described remote terminal sends, and radio frequency read/write sends the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag described in described request request.Adaptably, when described temperature data is outside described secure threshold scope, described radio frequency read/write sends warning information to described remote terminal, and by described remote terminal, described warning information is processed and fed back, in such variation example, described remote terminal preferably, the user terminal being associated with described passive and wireless radio-frequency (RF) tag carries out communication, suboptimum ground, and described processing terminal carries out alert action according to described warning information, as send ring, send light etc.Those skilled in the art can realize more variation example, do not repeat them here.
More specifically, it will be appreciated by those skilled in the art that described secure threshold according to the different application of method of the present invention and different.For example, temp measuring method provided by the present invention is applied to medical field, and the temperature data that ought record, outside the scope of 36-38 degree Celsius, carries out alert action.Described alert action is also different and different by the application process of described thermometric.For example, when nurse patrols room and use described radio frequency read/write to read the body temperature information of patient in ward, if having patient's body temperature outside the scope of 36-38 degree Celsius, described radio frequency read/write carries out alert action, as sends ring or send light etc.Preferably, described radio frequency read/write sends warning information to the mobile phone/computer of the doctor with the patient of body temperature outside safe range is associated in described ward etc. or the remote terminal that sends described request simultaneously.When described radio frequency read/write is directly loaded in ward, when described radio frequency read/write receives after the solicited message of remote terminal transmission, body temperature to patient in ward is measured, if have patient's body temperature outside secure threshold scope, to the mobile phone/computer of the doctor with the patient of body temperature outside safe range is associated in described ward etc., send warning information.Preferably described radio frequency read/write carries out alert action simultaneously, as sends ring or send light etc.Again for example, temp measuring method provided by the present invention is applied to cold chain transportation field, the temperature data that ought record arranges according to the different article of transportation, after receiving the solicited message of remote terminal transmission, article temperature in transportation is measured, if have the temperature of article outside secure threshold scope, the remote terminal to the user terminal being associated with described article or transmission described request sends warning information.Preferably, also to the vehicle driving display disc of the described article of transportation send warning information with the article temperature of informing its transportation of driver outside secure threshold scope.Particularly, those skilled in the art understand, one at above-described embodiment changes in example, carry out described step S301', described radio frequency read/write is received from the request that described remote terminal sends, and radio frequency read/write sends the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag described in described request request.
In variation example in conjunction with above-mentioned Fig. 3 and Fig. 4, described radio frequency read/write is after obtaining the identification information of described temperature data and described passive and wireless radio-frequency (RF) tag, further judge that described temperature data is whether within the scope of secure threshold, if carry out alert action within the scope of secure threshold.In the another variation example of above-described embodiment, radio frequency read/write sends the first radiofrequency signal with the adjustable cycle to described passive and wireless radio-frequency (RF) tag automatically described in described request request.Described radio frequency read/write is according to described request, automatically with adjustable, to described passive and wireless radio-frequency (RF) tag, send the first radiofrequency signal periodically, and automatically with the adjustable cycle, receive described the second radiofrequency signal, automatically with the adjustable temperature data that obtains periodically object under test.In such embodiments, only need set in advance cycle parameter, and the described radio frequency read/write of regular use that need not be artificial is measured.More specifically, in conjunction with above-mentioned Fig. 2 and Fig. 4, Fig. 5 illustrates according to a fifth embodiment of the invention, based on passive and wireless radio-frequency (RF) tag and the mutual process flow diagram of radio frequency read/write.Particularly, do not repeat them here.
Fig. 6 illustrates according to a specific embodiment of the present invention, based on passive and wireless radio-frequency (RF) tag thermometric and by the sequential chart of processing terminal deal with data.Particularly, originally illustrate three equipment, described passive and wireless radio-frequency (RF) tag 3,11 steps between described radio frequency read/write 4 and described processing terminal 5.First perform step 1, described processing terminal sends a request to described radio frequency read/write.Described radio frequency read/write is embedded in described processing terminal, and described processing terminal is used for receiving described temperature data, and records described temperature data, or described temperature data is carried out to graphical treatment.Perform step afterwards 2, described radio frequency read/write is received from the request that processing terminal sends, and asks described radio frequency read/write to send described the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag.After receiving described request, perform step 3, described radio frequency read/write sends described the first radiofrequency signal according to the solicited message receiving to described passive and wireless radio-frequency (RF) tag, wherein, described the first radiofrequency signal comprises described the first indication information, and described the first indication information is indicated described passive and wireless radio-frequency (RF) tag to activate and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip.Preferably, described the first indication information is encoded generates described the first radiofrequency signal and is sent to described passive and wireless radio-frequency (RF) tag by described radio frequency read/write with modulation is rear.Described passive and wireless radio-frequency (RF) tag receives the first radiofrequency signal sending from described radio frequency read/write.Described the first radiofrequency signal comprises that the described passive and wireless radio-frequency (RF) tag of indication activates the first indication information of embedded temperature sensor.Perform step afterwards 4, described passive and wireless radio-frequency (RF) tag is by described the first radiofrequency signal rectification, so that the supply voltage of inner each submodule of described passive and wireless radio frequency tag chip to be provided.The supply voltage that it will be appreciated by those skilled in the art that inner each submodule of described passive and wireless radio frequency tag chip is different.Described passive and wireless radio frequency tag chip is to described the first radiofrequency signal rectification and carry out the management of a sub-modular power source voltage, makes the driven work of each submodule.Step 5, described passive and wireless radio-frequency (RF) tag further to described the first radiofrequency signal demodulation to identify described the first indication information.Described in activating, the described passive and wireless radio-frequency (RF) tag of indicating described the first indication information is embedded in the temperature sensor of described passive and wireless radio-frequency (RF) tag.Particularly, one at the present embodiment changes in example, described the first indication information is encoded by described radio frequency read/write and is modulated described the first radiofrequency signal of rear generation and is sent to described passive and wireless radio-frequency (RF) tag, described passive and wireless radio-frequency (RF) tag, first to described the first radio demodulating decoding, identifies described the first indication information afterwards.Step 6, described passive and wireless radio-frequency (RF) tag activates and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip according to the indication of described the first indication information, described temperature sensor senses environment temperature, obtain after temperature data, described temperature sensor is converted into electric signal by described temperature data and is stored in described passive and wireless radio-frequency (RF) tag.Be step 7 afterwards, described passive and wireless radio-frequency (RF) tag generates the second radiofrequency signal by described electric signal modulation.And further perform step 8 and be sent to described radio frequency read/write.Step 9, described radio frequency read/write is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, described radio frequency read/write obtains described electric signal to described the second radiofrequency signal demodulation, described electric signal is transformed by described temperature data, and described radio frequency read/write further transforms described electric signal and obtains described temperature data.One at the present embodiment changes in example, the encoded modulation of described electric signal is received by described radio frequency read/write after generating described the second radiofrequency signal, and described radio frequency read/write obtains described electric signal and further obtains described temperature data to described the second radiofrequency signal demodulation and after decoding.Be step 10 afterwards, described radio frequency read/write sends the temperature data reading to described processing terminal.Be finally step 11, described processing terminal records described temperature data or carries out corresponding graphical treatment.
Fig. 7 illustrates a variation example based on embodiment illustrated in fig. 6, based on passive and wireless radio-frequency (RF) tag thermometric and by the sequential chart of remote terminal deal with data.Compare with Fig. 6, the processing terminal of Fig. 6 is replaced by remote terminal, and all the other implementations are constant.Concrete sequential as shown in Figure 7, does not repeat them here.
Fig. 8 illustrates according to the present invention another embodiment, processes the sequential chart being forwarded by processing terminal based on passive and wireless radio-frequency (RF) tag thermometric and by remote terminal.Particularly, originally illustrate four equipment, described passive and wireless radio-frequency (RF) tag 3, described radio frequency read/write 4,11 steps between described processing terminal 5 and described remote terminal.First perform step 1, described processing terminal sends a request to described radio frequency read/write.Described radio frequency read/write is embedded in described processing terminal, and described processing terminal is used for receiving described temperature data, and records described temperature data, or described temperature data is carried out to graphical treatment.Perform step afterwards 2, described radio frequency read/write is received from the request that processing terminal sends, and asks described radio frequency read/write to send described the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag.After receiving described request, perform step 3, described radio frequency read/write sends described the first radiofrequency signal according to the solicited message receiving to described passive and wireless radio-frequency (RF) tag, wherein, described the first radiofrequency signal comprises described the first indication information, and described the first indication information is indicated described passive and wireless radio-frequency (RF) tag to activate and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip.Preferably, described the first indication information is encoded generates described the first radiofrequency signal and is sent to described passive and wireless radio-frequency (RF) tag by described radio frequency read/write with modulation is rear.Described passive and wireless radio-frequency (RF) tag receives the first radiofrequency signal sending from described radio frequency read/write.Described the first radiofrequency signal comprises that the described passive and wireless radio-frequency (RF) tag of indication activates the first indication information of embedded temperature sensor.Perform step afterwards 4, described passive and wireless radio-frequency (RF) tag is by described the first radiofrequency signal rectification, so that the supply voltage of inner each submodule of described passive and wireless radio frequency tag chip to be provided.The supply voltage that it will be appreciated by those skilled in the art that inner each submodule of described passive and wireless radio frequency tag chip is different.Described passive and wireless radio frequency tag chip is to described the first radiofrequency signal rectification and carry out the management of a sub-modular power source voltage, makes the driven work of each submodule.Step 5, described passive and wireless radio-frequency (RF) tag further to described the first radiofrequency signal demodulation to identify described the first indication information.Described in activating, the described passive and wireless radio-frequency (RF) tag of indicating described the first indication information is embedded in the temperature sensor of described passive and wireless radio-frequency (RF) tag.Particularly, one at the present embodiment changes in example, described the first indication information is encoded by described radio frequency read/write and is modulated described the first radiofrequency signal of rear generation and is sent to described passive and wireless radio-frequency (RF) tag, described passive and wireless radio-frequency (RF) tag, first to described the first radio demodulating decoding, identifies described the first indication information afterwards.Step 6, described passive and wireless radio-frequency (RF) tag activates and is embedded in the temperature sensor in described passive and wireless radio frequency tag chip according to the indication of described the first indication information, described temperature sensor senses environment temperature, obtain after temperature data, described temperature sensor is converted into electric signal by described temperature data and is stored in described passive and wireless radio-frequency (RF) tag.Be step 7 afterwards, described passive and wireless radio-frequency (RF) tag generates the second radiofrequency signal by described electric signal modulation.And further perform step 8 and be sent to described radio frequency read/write.Step 9, described radio frequency read/write is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, described radio frequency read/write obtains described electric signal to described the second radiofrequency signal demodulation, described electric signal is transformed by described temperature data, and described radio frequency read/write further transforms described electric signal and obtains described temperature data.One at the present embodiment changes in example, the encoded modulation of described electric signal is received by described radio frequency read/write after generating described the second radiofrequency signal, and described radio frequency read/write obtains described electric signal and further obtains described temperature data to described the second radiofrequency signal demodulation and after decoding.Be step 10 afterwards, described radio frequency read/write sends the temperature data reading to described remote terminal.Be finally step 11, described remote terminal records described temperature data or carries out corresponding graphical treatment.
Fig. 9 illustrates according to the present invention another embodiment, based on passive and wireless radio-frequency (RF) tag thermometric, by processing terminal deal with data and be sent to the sequential chart of remote terminal.Particularly, similar with the embodiment described in Fig. 8, different from the embodiment described in Fig. 8, described request is sent by described remote terminal.And described radio frequency read/write obtains and is sent to described processing terminal after temperature data and processes, and by described processing terminal, described result is sent to remote terminal.
In above-mentioned Fig. 8 and variation example embodiment illustrated in fig. 9, described request information can be sent by described processing terminal or described remote terminal as required, and described data processing also can be undertaken by described processing terminal or described remote terminal.And described processing terminal and described remote terminal communicate to obtain both sides' result.Those skilled in the art can realize more embodiment, particularly, do not repeat them here.
In above-mentioned Fig. 6, Fig. 7, Fig. 8 and variation example embodiment illustrated in fig. 9, radio frequency read/write automatic or manual sends the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag periodically with adjustable described in described request request.Described radio frequency read/write is according to described request, automatic or manual sends the first radiofrequency signal to described passive and wireless radio-frequency (RF) tag periodically with adjustable, and automatic or manual receives described the second radiofrequency signal with the adjustable cycle, automatic or manual is with the adjustable temperature data that obtains periodically object under test.In such embodiments, only need set in advance frequency parameter, and the described radio frequency read/write of regular use that need not be artificial is measured.Another changes in example, and described radio frequency read/write can also carry out alert action according to the safe range of described temperature data.Particularly, as shown in Figure 3, do not repeat them here.Another changes in example, and described radio frequency read/write can also obtain by the identification information of described passive and wireless radio-frequency (RF) tag object under test information.Particularly, as shown in Figure 4, do not repeat them here.Another changes in example, and described radio frequency read/write further carries out alert action according to the safe range of described temperature data after can also obtaining the identification information of described passive and wireless radio-frequency (RF) tag.Do not repeat them here.
To sum up, the present invention can realize and form powerful medical Internet of things system.It mainly has following functions:
1) patient temperature gathers automatically: can gather the frequency with medical care requirements set body temperature every day, timing automatic gathers patient temperature, remove inconvenience that traditional clinical thermometer plug-in type measurement etc. causes to sufferer and painful from, leaving patient alone has a rest, changed the situation that current nurse manually gathers with clinical thermometer, greatly reduce measurement consuming time, alleviate nurse job amount and labour intensity, also reduce the error that may bring because of manual operation;
2) Real-time Collection of body temperature and early warning: read in real time monitoring patient temperature and change and formation curve figure, for abnormal body temperature, carry out and alarm.This is for needing urgent patient, the operation patients of real-time monitoring can have important early warning and auxiliary diagnosis effect;
3) temperature field measurement function: the instrument of health any part temperature distributing measuring is provided, medical personnel can be understood at any time near Temperature Distribution focus and scalpel edge and variation tendency thereof, to abnormal occurrence is made to timely reply;
4) patient's identification: chip-stored comprises information such as including patient status, the information such as body temperature information and even patient history are all associated with identity automatically, when replacing the patient's barcode wristbands using at present, further expand and improve electronic health record;
5) patient location and work and rest management: by the rfid interrogator network that is laid in ward, corridor, treatment region, rehabilitation district and covers full hospital area, can monitor patient activity region and activity time, promote patient's safety, for patient management provides advanced means.
The present invention can also be applied to remote body temperature monitoring and the monitoring of inpatient, outpatient, children and old man's aggregation zone, family's use, public place monitoring temperature further, and the data that monitor can personalizedly be preserved for future reference.
The present invention can also realize and form powerful cold chain transportation Internet of things system.It mainly has following functions:
1) single product object temperature is measured: according to application demand automatic or manual, with adjustable period measurement list product temperature, or manually control according to emergency case the measurement of carrying out single product temperature;
2) Real-time Collection of single product object temperature and early warning: the article of abnormal temperature carry out and alarm.This can process and operate the article of abnormal temperature in time;
3) information of single product object identification: chip-stored comprises the information such as contents title;
4) single product article logistics supervision: read the temperature data of the whole logistics progress of article that described passive and wireless radio-frequency (RF) tag stores and other information so that article are supervised in transportation by user, prevent from having abnormal temperature in logistics progress but do not have processed article occurring.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (13)
1. a temp measuring method for the passive and wireless radio-frequency (RF) tag technology based on integrated temperature sensor, is characterized in that, at radio frequency read/write, place comprises the steps:
Steps A. receive the described radio frequency read/write of indication to the request of the first radiofrequency signal of a passive and wireless radio-frequency (RF) tag transmission;
Step B. sends described the first radiofrequency signal for the demodulation of described passive and wireless radio-frequency (RF) tag and identifies the first indication information to described passive and wireless radio-frequency (RF) tag, and described the first indication information comprises that the described passive and wireless radio-frequency (RF) tag of indication activates the request of the embedded temperature sensor in described passive and wireless radio-frequency (RF) tag; And
Step C. is received from the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, by described passive and wireless radio-frequency (RF) tag, to electrical signal data, modulation generates described the second radiofrequency signal, and described electrical signal data is transformed by the temperature data of the temperature being detected by described embedded temperature sensor.
2. method according to claim 1, is characterized in that, described steps A comprises:
Receive the described radio frequency read/write automatic or manual of indication and with the adjustable cycle, to described passive and wireless radio-frequency (RF) tag, send the request of the first radiofrequency signal;
Adaptably, described step B comprises:
Automatic or manual sent the first radiofrequency signal for the demodulation of described passive and wireless radio-frequency (RF) tag and identifies the first indication information to described passive and wireless radio-frequency (RF) tag with the adjustable cycle;
Described step C comprises:
Automatic or manual is received from the adjustable cycle the second radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends.
3. method according to claim 1, is characterized in that, described the first indication information also comprises one or more of following information:
Indicate the embedded temperature sensor of described passive and wireless radio-frequency (RF) tag to collect the request of measurement data; Or
Indicate described radio frequency read/write to the request of described passive and wireless radio-frequency (RF) tag reading/writing data.
4. method according to claim 1, it is characterized in that, described radio frequency read/write and terminal communicate, described request is sent by described terminal, described temperature data is sent to described terminal, and described terminal is used for recording described temperature data or described temperature data is carried out to graphical treatment.
5. method according to claim 4, is characterized in that, described terminal is a processing terminal, and wherein, described passive and wireless radio-frequency (RF) tag is embedded in described processing terminal.
6. method according to claim 4, is characterized in that, described terminal is a remote terminal, and wherein, described radio frequency read/write is connected with a remote terminal by network.
7. method according to claim 4, is characterized in that, described terminal is a processing terminal or a remote terminal, and wherein, described radio frequency read/write is embedded in a processing terminal, and described processing terminal is connected with a remote terminal by network.
8. method according to claim 1, it is characterized in that, by described passive and wireless radio-frequency (RF) tag, to electrical signal data, modulation generates described the second radiofrequency signal, and described electrical signal data is transformed by the temperature data of the temperature being detected by described embedded temperature sensor and the identification information of described passive and wireless radio-frequency (RF) tag.
9. method according to claim 8, it is characterized in that, the identification information of described passive and wireless radio-frequency (RF) tag is associated with testee information, and the identification information of described passive and wireless radio-frequency (RF) tag, testee information and described temperature data are stored in as one or more in upper/lower positions:
Described passive and wireless radio frequency tag chip;
Processing terminal;
Remote terminal; Or
Cloud platform.
10. method according to claim 1, is characterized in that, described method comprises:
Be received from the radiofrequency signal that described passive and wireless radio-frequency (RF) tag sends, and described radiofrequency signal demodulation is obtained after described temperature data, judge that described temperature data is whether within the scope of secure threshold, if described temperature data, not within the scope of described secure threshold, carries out alert action.
The temp measuring method of 11. 1 kinds of passive and wireless radio-frequency (RF) tag technology based on integrated temperature sensor, is characterized in that, place comprises the steps: in described passive and wireless radio-frequency (RF) tag
Step a. is received from the first radiofrequency signal that a radio frequency read/write sends, and to described the first radiofrequency signal demodulation and identify the first indication information, described the first indication information indicates described passive and wireless radio-frequency (RF) tag to activate embedded temperature sensor;
Embedded temperature sensor detected temperatures described temperature data is converted into electrical signal data and stores described in step b.; And
Step c generates the second radiofrequency signal and is sent to described radio frequency read/write described electrical signal data modulation.
12. methods according to claim 11, is characterized in that, described method also comprises: receive described the first radiofrequency signal, and described radiofrequency signal is carried out to rectification so that the supply voltage of each submodule of described passive and wireless radio-frequency (RF) tag to be provided.
13. methods according to claim 11, is characterized in that, described the first indication information also comprises one or more of following information:
Indicate the embedded temperature sensor of described passive and wireless radio-frequency (RF) tag to collect the request of measurement data; Or
Indicate described radio frequency read/write to the request of described passive and wireless radio-frequency (RF) tag reading/writing data.
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| CN201210374652.2A CN103714356A (en) | 2012-09-29 | 2012-09-29 | Temperature measurement method based on passive radio-frequency label |
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| CN105380764A (en) * | 2015-10-26 | 2016-03-09 | 中国人民解放军第306医院 | Novel movable nursing system |
| CN106214133A (en) * | 2016-08-04 | 2016-12-14 | 斯凯瑞利（北京）科技有限公司 | A kind of two-sided multi-point temperature measurement method and system |
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| CN110880029A (en) * | 2018-09-06 | 2020-03-13 | 航天信息股份有限公司 | Passive ultrasonic sensor tag, tag system and detection method |
| WO2021047350A1 (en) * | 2019-09-11 | 2021-03-18 | 北京海益同展信息科技有限公司 | Patrol apparatus, patrol system and method for temperature measurement |
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