CN110858772A - Cold chain temperature monitoring system and method based on temperature sensing RFID Bluetooth batch uploading data - Google Patents
Cold chain temperature monitoring system and method based on temperature sensing RFID Bluetooth batch uploading data Download PDFInfo
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- CN110858772A CN110858772A CN201810962827.9A CN201810962827A CN110858772A CN 110858772 A CN110858772 A CN 110858772A CN 201810962827 A CN201810962827 A CN 201810962827A CN 110858772 A CN110858772 A CN 110858772A
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- 238000012544 monitoring process Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 16
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004146 energy storage Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- H04B5/77—
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- 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
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- 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 provisious for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a temperature measurement tag, which is in a passive working mode daily, responds to a command sent by a reader-writer, collects the temperature in a transport box and feeds back information to the reader-writer in a passive mode, enters an active working mode after receiving a starting command signal of the reader-writer, collects the temperature in the transport box according to a preset time interval, manually opens a Bluetooth module in a key mode when tag data needs to be read in batches after temperature detection is finished, and transmits the collected information to a receiving end through the Bluetooth module; the invention relates to a cold chain temperature monitoring device, which comprises a reader-writer and a temperature measuring tag, wherein the reader-writer is used for sending a command to enable the temperature measuring tag to enter an active working mode, controlling the temperature measuring tag to continuously acquire temperature and reading information acquired by the temperature measuring tag.
Description
Technical Field
The invention relates to the technical field of temperature monitoring, in particular to a cold chain temperature monitoring system and method based on temperature sensing RFID Bluetooth batch uploading data.
Background
The cold chain transportation requires that the transported goods always keep a certain temperature in the whole transportation process, no matter links such as loading, unloading, carrying, changing transportation modes, changing packaging equipment and the like, and some or even colleagues require to keep a certain humidity in the process.
For cold chain transportation, a traditional monitoring mode is to use a temperature recorder to measure and record the temperature of the whole carriage, that is, one or more temperature recorders are placed on each transport vehicle to measure and record the temperature in the transportation process, when the goods arrive at the transportation destination, the temperature recorders and the computer are connected by wire to lead the data into the computer, and then data statistics and analysis are performed, for example, the maximum value, the minimum value, the curve trend and the like are found out. However, the conventional temperature recorder has the following drawbacks:
1. the price is high, the volume is large, the use and maintenance cost is high, and the method is not suitable for simple and practical use by workers in all walks and universities;
2. the temperature of a single box body cannot be measured, and basically the monitoring of a transport vehicle is completed, but the monitoring of the transported objects is not completed;
3. the temperature condition of the transported object in the whole process cannot be truly reflected, the product information cannot be automatically identified, the data can be derived only by wired connection and manual intervention, and the temperature of the transported object in the vehicle cannot be tracked in real time;
4. in some modes of transportation, such as air transportation, the temperature monitoring device cannot be used, and therefore real-time temperature monitoring cannot be carried out.
At present, also adopt special wireless temperature sensor, for example bluetooth temperature sensor, carry out the collection of temperature, however, current bluetooth temperature sensor cost is higher, and general precision is inaccurate, needs the calibration, moreover because it needs the battery to supply power always, the consumption is great.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a system and a method for monitoring the temperature of a cold chain based on temperature-sensing RFID Bluetooth batch uploading data, so as to realize a cold chain temperature monitoring technology which is suitable for measuring the temperature of a single box body, can simultaneously and continuously track the temperature in real time, is suitable for any transportation mode and has lower power consumption.
In order to achieve the above object, the present invention provides a cold chain temperature monitoring system based on temperature-sensing RFID bluetooth batch upload data, comprising:
the temperature measurement tag is in a passive working mode daily, responds to a command sent by the reader-writer, collects the temperature in the transport box and feeds back the collected information to the reader-writer in a passive mode, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, continuously collects the temperature in the transport box according to a certain time interval, starts the Bluetooth module in a key mode when the tag data needs to be read in batches after the temperature detection is finished, transmits the collected information to a data receiving end through the Bluetooth module, and automatically closes the Bluetooth module after the data transmission is finished; the temperature measurement label can also directly upload all detected temperature data in an RFID mode.
And the reader-writer is used for sending a command to enable the temperature measurement label to enter an active working mode, controlling the temperature measurement label to continuously acquire the temperature and reading the information acquired by the temperature measurement label.
Preferably, the thermometric tag comprises:
the RFID temperature sensing chip is in a passive working mode daily, responds to a command sent by the reader-writer when receiving the command transmitted by the reader-writer, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, and continuously collects the temperature at certain time intervals by utilizing the energy provided by the energy storage device;
the antenna is used for receiving and transmitting the RFID wireless signal;
the Bluetooth module starting unit is used for generating a control signal to the Bluetooth module to start the Bluetooth module when the tag data needs to be read in batches;
the Bluetooth module is an external data interface and is used for providing a wireless network when tag data needs to be read in batches and providing the acquired information to a data receiving end in batches;
and the energy storage device is controlled to be switched off in the passive working mode and is controlled to be switched on in the active working mode so as to keep the RFID temperature sensing chip to perform temperature measurement at regular time.
Preferably, the bluetooth module starting unit adopts a manual key to generate a control signal to wake up the bluetooth module when tag data needs to be read in batches.
Preferably, the energy storage device is a paper battery.
Preferably, the energy storage device is controlled to be turned on and off by a switch, when the RFID temperature sensing chip receives a command signal for starting an active working mode of the reader/writer, the switch is controlled to be turned on to enable the temperature measurement tag to enter the active working mode, and when the command signal for turning off the active working mode of the reader/writer is received, the switch is controlled to be turned off to disconnect the power supply to enable the temperature measurement tag to return to the passive working mode.
Preferably, when the temperature measuring tag is in an active working mode, the temperature measuring tag can work in a passive mode within a temperature acquisition interval to acquire the instant temperature, and the current mode is preferred when the temperature measuring tag and the temperature acquisition interval conflict.
Preferably, the RFID temperature sensing chip, the antenna, the bluetooth module opening unit, the bluetooth module, and the energy storage device are integrally assembled and mounted in the transportation box, and the reader is a handheld reader or a fixed reader mounted in a transportation carriage or a warehouse.
Preferably, a plurality of temperature measuring labels are installed in the transport box so as to completely measure the temperature in the transport box at different positions.
In order to achieve the above object, the present invention further provides a cold chain temperature monitoring method based on temperature sensing RFID bluetooth batch upload data, comprising the following steps:
step S1, arranging the temperature measuring label in the transport box, and installing the reader-writer in the transport carriage or the warehouse;
step S2, the temperature measurement label works in a passive working mode daily, responds to a command sent by a reader-writer, collects the instant temperature in the transport case, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, switches on a power supply, and continuously collects and stores the temperature in the transport case according to a certain time interval;
and step S3, the reader is used for reading the temperature information acquired by the temperature measurement label in a passive mode or the Bluetooth module of the temperature measurement label is started in a key mode when the acquired information needs to be acquired in batch, the temperature information acquired by the temperature measurement label is acquired in batch by the Bluetooth module, and the Bluetooth module is closed after data transmission is finished.
Preferably, when the temperature measurement tag is in an active working mode, the temperature measurement tag can work in a passive mode within a temperature acquisition interval to acquire the instant temperature, and when the temperature measurement tag and the temperature acquisition interval conflict, the current mode is preferred.
Compared with the prior art, the temperature-sensing RFID Bluetooth batch uploading data-based cold chain temperature monitoring system is suitable for the carriage or warehouse environment where a reader-writer can read the tags by enabling the temperature-sensing tags to be in a passive working mode daily and responding to commands sent by the reader-writer to complete temperature measurement actions, the tags enter the active working mode when receiving active working mode starting command signals of the reader-writer, the temperature in a transport box is continuously collected according to a certain time interval, the Bluetooth module is started to transmit collected information to a data receiving end through the Bluetooth module when batch reading data is needed after temperature detection is finished, the Bluetooth module is closed when data transmission is finished so as to be suitable for the environment leaving the transport carriage or warehouse such as airplane loading or short-time transfer, and the like, so that the temperature measurement of a single box body can be realized, and the temperature tracking can be simultaneously performed in real time and continuously, The Bluetooth module is suitable for cold chain temperature monitoring technology of any transportation mode, and the Bluetooth module is only opened when being started and data are uploaded, so that the power consumption is extremely low.
Drawings
FIG. 1 is a system architecture diagram of a cold chain temperature monitoring system based on temperature sensing RFID Bluetooth batch upload data according to the present invention;
fig. 2 is a system architecture diagram of a cold chain temperature monitoring system based on temperature sensing RFID bluetooth batch upload data according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating steps of a cold chain temperature monitoring method based on temperature-sensing RFID bluetooth batch upload data according to the present invention.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a system architecture diagram of a cold chain temperature monitoring system based on temperature-sensing RFID bluetooth batch upload data according to the present invention. As shown in FIG. 1, the cold chain temperature monitoring system based on temperature sensing RFID Bluetooth batch uploading data comprises a temperature measuring tag 1 and a reader-writer 2.
Wherein, the temperature measuring label 1 is arranged in the transport case, the temperature measuring label 1 works in a passive working mode daily, when receiving the radio frequency signal of the reader-writer 2, the temperature measuring label responds to the command sent by the reader-writer 2 to complete the temperature measuring action, collects the instant temperature in the transport case and feeds the collected information back to the reader-writer 2 in a passive mode, when receiving the command signal of starting the active working mode of the reader-writer 2, the active working mode is entered, the temperature in the transport case is collected continuously and stored according to a certain time interval, when the temperature detection is finished and the label data needs to be read in batch, the Bluetooth module is manually started in a key mode, the collected information is transmitted to the data receiving end through the Bluetooth module, and the Bluetooth module is closed after the temperature detection is finished, meanwhile, the temperature measuring label 1 can also directly upload all the detected temperature data in an RFID mode, that is, according to the invention, the Bluetooth module is started only during data uploading, so that the purpose of reducing the power consumption of the system can be achieved; the reader-writer 2 is a handheld reader-writer or a fixed reader-writer which can be installed in a transport carriage or a warehouse, and is used for sending a command to the temperature measurement tag 1 to control the temperature measurement tag to enter an active working mode and acquire information acquired by the temperature measurement tag 1, and specifically, the reader-writer 2 is used for sending a command to make the temperature measurement tag 1 enter a passive working mode, so that the temperature measurement tag 1 continuously acquires temperature, and reads the information acquired by the temperature measurement tag 1. Preferably, after the continuous temperature collection is finished, the reader/writer 2 may also send a command to enable the temperature measurement tag 1 to close the active working mode, so that the temperature measurement tag 1 returns to the passive working mode.
Specifically, the RFID temperature sensing chip 10, the antenna 11, the bluetooth module starting unit 12, the bluetooth module 13, and the energy storage device 14 constitute the temperature measurement tag 1, which is in a passive working mode daily, i.e., the energy storage device 14 is turned off, and only the energy generated by the radio frequency signal of the reader/writer 2 is utilized to respond to the received command of the reader/writer to complete the temperature measurement action, collect the instant temperature in the transportation box and feed back the collected information to the reader/writer in a passive manner, and when receiving the command signal of the reader/writer 2 for starting the active working mode, the RFID temperature sensing chip enters the active working mode, i.e., the energy storage device 14 is turned on, and the energy provided by the energy storage device is utilized to continuously collect the temperature at certain time intervals; an antenna 11 for transceiving an RFID wireless signal; the bluetooth module starting unit 12 is configured to generate a control signal to the bluetooth module 13 in a manner of pressing a key to start the bluetooth module 13 when tag data needs to be read in batch, in a specific embodiment of the present invention, the bluetooth module starting unit 12 may adopt an artificial key, when tag data needs to be read in batch, the artificial key is pressed, a control signal is generated to wake up the bluetooth module 13 to be started, and when data transmission of the RFID temperature sensing chip 10 is completed, the bluetooth module 13 is controlled to be closed; the bluetooth module 12 is an external data interface, and is configured to be turned on under the control of a control signal of the bluetooth module turning-on unit 12 when tag data needs to be read in batches (for example, when the tag data arrives at a warehouse), so as to provide a wireless network for the RFID temperature sensing chip 10 to provide the acquired information to a data receiving end in batches, and preferably, the bluetooth module 13 may also be turned on by the control module of the RFID temperature sensing chip 10 when the RFID temperature sensing chip 10 is turned on, so as to perform initial bluetooth configuration; the energy storage device 14 can be a button battery or a paper battery, and is in a closed state daily, that is, the RFID temperature sensing chip is in a passive working mode, and is turned on when the RFID temperature sensing chip 10 receives a command signal for starting an active working mode of the reader/writer 2 to keep the RFID temperature sensing chip 10 to measure the temperature at regular time. Preferably, when the RFID temperature sensing chip 10 is in the active operation mode, during the temperature detection interval, it can simultaneously operate in a passive manner to perform an instant temperature acquisition, and when the two occur a time conflict, the current acquisition mode is preferred. Because the Bluetooth module is only opened when the Bluetooth module is started and data is uploaded, the power consumption is extremely low, and the energy storage device can be a paper battery so as to be convenient for some specific transportation occasions (such as air transportation).
Further, the RFID temperature sensing chip 10 includes a radio frequency circuit 101, a control module 102, a temperature sensor 103, a voltage stabilizing circuit 104, and a memory 105, wherein the radio frequency circuit 101 is configured to receive a command sent by the reader/writer 2, and transmit the sent command to the temperature sensor 103 through the control module 102 to control the temperature sensor 103 to complete temperature measurement, and simultaneously acquire temperature data collected by the temperature sensor 103 through the control module 102 and feed back the temperature data to the reader/writer 2, the radio frequency circuit 101 is further connected to the voltage stabilizing circuit 104, the voltage stabilizing circuit 104 is configured to rectify a radio frequency signal received by the radio frequency circuit 101 to provide energy of other modules to save energy of the energy storage device 14, and simultaneously when the radio frequency circuit 101 does not receive a radio frequency signal of the reader/writer 2 or receives a command signal for starting an active operating mode of the reader/writer, the RFID temperature sensing chip enters an active operating mode, the control module 102 and the temperature sensor 103 are powered by the energy storage device 13, the control module 102 controls the temperature sensor 103 to continuously collect the temperature in the transport box according to a certain time interval, collected information is transmitted to a data receiving end through the Bluetooth module 13 when batch tag reading data is received, and the memory 105 is used for storing the collected tag data. Of course
Fig. 2 is a structural diagram of a cold chain temperature monitoring system based on temperature sensing RFID bluetooth batch upload data according to an embodiment of the present invention. The invention will be further illustrated by the following specific examples:
the cold chain temperature monitoring system comprises an RFID temperature sensing chip 10, an antenna 11, a Bluetooth module starting unit 12, a Bluetooth module 13, an energy storage device 14 and a reader-writer 2. The RFID temperature sensing chip comprises a radio frequency circuit (RF)101, a baseband module (BB)102, a built-in temperature Sensor (Sensor)103, a voltage stabilizing circuit (RECT)104 and a memory 105, the RFID temperature sensing chip works in a passive working mode in daily life, when receiving a command sent by a reader-writer, the RFID temperature sensing chip responds to the command sent by the reader-writer by using the energy of a radio frequency signal of the reader-writer to finish actions such as temperature measurement and data uploading, and when receiving a command signal for starting an active working mode of the reader-writer, the RFID temperature sensing chip continuously acquires the temperature in a transport case at certain time intervals by using the energy of an energy storage device 14; an antenna 11 for transceiving an RFID wireless signal; the bluetooth module starting unit 12 is a manual key to wake up the bluetooth module 13 through the manual key when the RFID temperature sensing chip 10 needs to transmit the collected information in batch; the Bluetooth module 13 is an external data interface and is used for providing a wireless network when tag data are required to be read in batches when the tag data arrive at a warehouse; the energy storage device 14 is a button battery or a paper battery and is used for keeping the temperature measurement at regular time in an active working mode (for example, receiving a command signal for starting the active working mode of the reader-writer or not in the reading-writing range of the reader-writer 2 when leaving a transport carriage or a warehouse); the reader-writer 2 is a handheld reader-writer or a fixed reader-writer arranged in a transport carriage or a warehouse and is used for sending a command to enable the temperature measurement tag to enter an active working mode, controlling the temperature measurement tag to continuously collect temperature and reading information collected by the temperature measurement tag. The specific work is as follows:
1. the RFID temperature sensing chip 10, the antenna 11, the Bluetooth module starting unit 12, the Bluetooth module 13 and the energy storage device 14 are integrally assembled and installed on the transport box, are in a passive working mode in daily life, receive a command sent by the reader-writer, respond to the command of the reader-writer, and feed back acquired information to the reader-writer in a passive mode; the method comprises the steps of entering an active working mode when an active command signal for starting a reader-writer is received, switching on a power supply, continuously collecting and storing the temperature in a transport box according to a certain time interval, and opening a Bluetooth module to provide a data transmission interface through a Bluetooth module opening unit when tag data needs to be read in batches when temperature detection is finished;
2. the reader-writer 2 sends commands at regular time to control the working mode of the RFID temperature sensing chip 10, when the active working mode needs to be entered, for example, the temperature record chain breakage when the reader-writer leaves a transport carriage or a warehouse, such as getting on an airplane or transferring for a short time, etc., the reader-writer 2 sends a starting active command signal to the RFID temperature sensing chip at the beginning of the life cycle of the article circulation needing temperature monitoring so as to control the RFID temperature sensing chip to enter the active working mode, the RFID temperature sensing chip is connected with an energy storage device, and the temperature in the transport box is continuously collected and stored according to a certain time interval;
3. when the receiving warehouse receives the temperature data, the Bluetooth module 13 is awakened to perform wireless data transmission through the manual key of the Bluetooth module starting unit 12, the acquired information is transmitted to a data receiving end, such as a computer end, in batches, the Bluetooth module 13 is closed after the data transmission is finished so as to save power consumption, and all detected temperature data can be directly uploaded in an RFID mode;
4. RFID temperature sensing chip 10, antenna 11, bluetooth module open unit 12, bluetooth module 13, energy memory 14 constitute temperature measurement label 1, can install a plurality of temperature measurement labels 1 in order to measure the temperature in the transport case that is located different positions completely in the transport case.
Fig. 3 is a flowchart illustrating steps of a cold chain temperature monitoring method based on temperature-sensing RFID bluetooth batch upload data according to the present invention. As shown in fig. 3, the invention relates to a cold chain temperature monitoring method based on temperature sensing RFID bluetooth batch upload data, which comprises the following steps:
step S1, arranging the temperature measuring label in the transport box, and installing the reader-writer in the transport carriage or the warehouse;
step S2, the temperature measuring label works in a passive working mode daily, responds to the command sent by the reader-writer, collects the instant temperature in the transport box, when receiving the command signal of starting the active working mode of the reader-writer, the reader-writer enters the active working mode and is powered on, the temperature in the transport case is continuously collected and stored according to a certain time interval, that is, the temperature measurement label enters an active working mode when receiving a command signal of starting the active working mode of the reader-writer, namely, the energy storage device is switched on, the energy provided by the energy storage device is utilized to continuously collect the temperature according to a certain time interval, and in the passive working mode, the energy generated by the radio frequency signal of the reader-writer is only utilized, and responding to the received command of the reader-writer to complete temperature measurement, collecting the temperature in the transport box and feeding back the collected information to the reader-writer in a passive mode.
Preferably, when the active operation mode is not needed, for example, the passive operation mode is returned to when the command signal for turning off the active operation mode of the reader-writer is received, and the power supply is cut off
And step S3, the reader-writer is used for reading the temperature information acquired by the temperature measurement label in a passive mode or starting the Bluetooth module of the temperature measurement label when the acquired information needs to be acquired in batch, the Bluetooth module is used for acquiring the temperature information acquired by the temperature measurement label in batch, and the Bluetooth module is closed after the data transmission is finished.
Preferably, when the temperature measuring tag is in an active working mode, the temperature measuring tag can work in a passive mode at the same time in a temperature acquisition interval, the instant temperature is read, and when the temperature measuring tag and the temperature acquisition interval conflict, the current mode is preferred.
Preferably, in step S3, when the collected information needs to be obtained in batch, a bluetooth module activation unit is used to activate the bluetooth module, and the bluetooth module activation unit may be a manual key.
To sum up, the temperature measurement tag is in a passive working mode daily, the temperature measurement tag responds to a command sent by a reader-writer to complete a temperature measurement action to be suitable for a carriage or warehouse environment where the reader-writer can read the tag, the tag enters an active working mode when receiving a signal for starting the active working mode of the reader-writer, the temperature in the transport box is continuously collected according to a certain time interval, the Bluetooth module is started to transmit collected information to a data receiving end through the Bluetooth module when the temperature detection is finished and the data transmission is finished to ensure that the data is required to be read in batches, the Bluetooth module is closed to be suitable for the environment leaving the transport carriage or warehouse such as airplane loading or short-time transition, and the temperature monitoring system suitable for measuring the temperature of a single box body and simultaneously carrying out temperature tracking in real time and continuously, The Bluetooth module is suitable for cold chain temperature monitoring technology of any transportation mode, and the Bluetooth module is only opened when being started and data are uploaded, so that the power consumption is extremely low.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the invention should be determined from the following claims.
Claims (10)
1. The utility model provides a cold chain temperature monitoring system based on data is uploaded in batches to temperature sensing RFID bluetooth, includes:
the temperature measurement tag is in a passive working mode daily, responds to a command sent by the reader-writer, collects the temperature in the transport box and feeds back the collected information to the reader-writer in a passive mode, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, continuously collects the temperature in the transport box according to a certain time interval, starts the Bluetooth module in a key mode when the tag data needs to be read in batches after the temperature detection is finished, transmits the collected information to a data receiving end through the Bluetooth module, and automatically closes the Bluetooth module after the data transmission is finished; the temperature measurement label can also directly upload all detected temperature data in an RFID mode.
And the reader-writer is used for sending a command to enable the temperature measurement label to enter an active working mode, controlling the temperature measurement label to continuously acquire the temperature and reading the information acquired by the temperature measurement label.
2. The system for monitoring the temperature of the cold chain based on the temperature sensing RFID Bluetooth batch uploading data as claimed in claim 1, wherein the temperature measuring tag comprises:
the RFID temperature sensing chip is in a passive working mode daily, responds to a command sent by the reader-writer when receiving the command transmitted by the reader-writer, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, and continuously collects the temperature at certain time intervals by utilizing the energy provided by the energy storage device;
the antenna is used for receiving and transmitting the RFID wireless signal;
the Bluetooth module starting unit is used for generating a control signal to the Bluetooth module to start the Bluetooth module when the tag data needs to be read in batches;
the Bluetooth module is an external data interface and is used for providing a wireless network when tag data needs to be read in batches and providing the acquired information to a data receiving end in batches;
and the energy storage device is controlled to be switched off in the passive working mode and is controlled to be switched on in the active working mode so as to keep the RFID temperature sensing chip to perform temperature measurement at regular time.
3. The system of claim 2, wherein the system comprises: the Bluetooth module starting unit adopts a manual key to generate a control signal to wake up the Bluetooth module when tag data needs to be read in batches.
4. The system of claim 3, wherein the system comprises: the energy storage device is a paper battery.
5. The system of claim 2, wherein the system comprises: the energy storage device is controlled to be opened and closed by a switch, when the RFID temperature sensing chip receives a command signal of starting an active working mode of the reader-writer, the switch is controlled to be closed to enable the temperature measuring tag to enter the active working mode, and when the command signal of closing the active working mode of the reader-writer is received, the switch is controlled to be opened to disconnect a power supply to enable the temperature measuring tag to return to the passive working mode.
6. The system of claim 5, wherein the system comprises: when the temperature measurement tag is in an active working mode, the temperature measurement tag can work in a passive mode within a temperature acquisition interval to acquire the instant temperature, and the current mode is preferred when the temperature measurement tag and the temperature acquisition interval conflict.
7. The system of claim 2, wherein the system comprises: the RFID temperature sensing chip, the antenna, the Bluetooth module opening unit, the Bluetooth module and the energy storage device are integrally assembled and installed in the transport case, and the reader-writer is a handheld reader-writer or a fixed reader-writer installed in a transport carriage or a warehouse.
8. The system of claim 7, wherein the system comprises: and a plurality of temperature measurement labels are arranged in the transport box to completely measure the temperature in the transport box at different positions.
9. A cold chain temperature monitoring method based on temperature sensing RFID Bluetooth batch uploading data comprises the following steps:
step S1, arranging the temperature measuring label in the transport box, and installing the reader-writer in the transport carriage or the warehouse;
step S2, the temperature measurement label works in a passive working mode daily, responds to a command sent by a reader-writer, collects the instant temperature in the transport case, enters an active working mode when receiving a command signal for starting the active working mode of the reader-writer, switches on a power supply, and continuously collects and stores the temperature in the transport case according to a certain time interval;
and step S3, the reader is used for reading the temperature information acquired by the temperature measurement label in a passive mode or the Bluetooth module of the temperature measurement label is started in a key mode when the acquired information needs to be acquired in batch, the temperature information acquired by the temperature measurement label is acquired in batch by the Bluetooth module, and the Bluetooth module is closed after data transmission is finished.
10. The cold chain temperature monitoring method based on the temperature sensing RFID Bluetooth batch uploading data as claimed in claim 9, characterized in that: when the temperature measurement tag is in an active working mode, the temperature measurement tag can work in a passive mode within a temperature acquisition interval to acquire instant temperature, and the two modes are in priority when in conflict.
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