CN107239816A - A kind of temperature measuring label, read write line and temp measuring system - Google Patents
A kind of temperature measuring label, read write line and temp measuring system Download PDFInfo
- Publication number
- CN107239816A CN107239816A CN201710436238.2A CN201710436238A CN107239816A CN 107239816 A CN107239816 A CN 107239816A CN 201710436238 A CN201710436238 A CN 201710436238A CN 107239816 A CN107239816 A CN 107239816A
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- Prior art keywords
- signal
- antenna
- temperature measuring
- read write
- write line
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07775—Antenna details the antenna being on-chip
-
- 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
- G06K17/0029—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 the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
- G06K19/0717—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure
Abstract
The present invention relates to a kind of temperature measuring label, read write line and temp measuring system, temperature measuring label includes：First antenna and thermometric chip；First antenna is connected with thermometric chip, and the energy signal for receiving read write line transmission, energy signal is used to provide electric energy for temperature measuring label；Thermometric chip carries out temperature survey to the copper bar of switch cubicle, forms feedback signal, by feedback signal transmission to first antenna, wherein, feedback signal includes the mark of the temperature data of the copper bar of the switch cubicle after measurement and the copper bar of switch cubicle；Feedback signal is sent to read write line by first antenna.Temperature measuring label, read write line and the temp measuring system that the present invention is provided can realize passive RFID thermometric, be powered without battery, and thermometric chip volume is small, lightweight, and antijamming capability is stronger, increase the service life of thermometric chip, meet field application demand.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of temperature measuring label, read write line and temp measuring system.
Background technology
With the development of national economy, the reliability for the equipment of power system it is also proposed higher and higher requirement.
High-tension switch cabinet is one of transformer station, the most important electrical equipment of power plant.It is disconnected in switch cubicle in equipment During Process of Long-term Operation
Road device is directly connected slotting first class sections with switch cubicle to cause contact resistance excessive because manufacturing, transporting, installing bad and aging
And generate heat.Copper installation plays conveying electric current in switch cubicle, in circuit and connects electrical equipment.At present, by right
Copper bar thermometric in switch cubicle, realizes the monitoring to the temperature of switch cubicle, it is to avoid the security incident that contact resistance generates heat and caused.
In the prior art to the temp measuring method of switch cubicle, source radio frequency identification (Radio Frequency are mainly included
Identification, abridge RFID) wireless temperature measurement.The active thermometric chip of prior art has battery, by being arranged on out
The active thermometric chip on cabinet copper bar is closed, copper bar temperature is obtained, and temperature data is sent to reader, for reader pair
Temperature data is further processed.Temp measuring method of the prior art, measurement accuracy is high, and real-time is good.
But, based on this, it was found by the inventors of the present invention that chip volume used in active RFID wireless temperature measurement is big, need
Want periodic replacement battery, restricted lifetime, it is impossible to meet field application demand.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
Technical problem
In view of this, the technical problem to be solved in the present invention is how to provide a kind of temperature measuring label, read write line and thermometric system
System, to solve chip volume used in existing temp measuring method greatly, restricted lifetime, it is impossible to meet asking for field application demand
Topic.
Solution
To solve above technical problem, first aspect present invention provides a kind of temperature measuring label, and the temperature measuring label includes：The
One antenna and thermometric chip；The first antenna is connected with the thermometric chip, the energy for receiving read write line transmission
Signal, the energy signal is used to provide electric energy for the temperature measuring label；The thermometric chip is receiving the first antenna
After the energy signal of transmission, temperature survey is carried out to the copper bar of the switch cubicle, feedback signal is formed, by the feedback
Signal is transmitted to the first antenna, wherein, the feedback signal includes the temperature number of the copper bar of the switch cubicle after measurement
According to this and the switch cubicle copper bar mark；The first antenna is additionally operable to the feedback signal being sent to read write line.
In a kind of possible implementation, the temperature measuring label also includes：Heat Conduction Material and substrate；The substrate is set
The bottom of the temperature measuring label is placed in, the Heat Conduction Material is arranged on the substrate center, and the following table of the Heat Conduction Material
Face is in contact with the copper bar；The first antenna is arranged on above the substrate, and is connected with the upper surface of the substrate
Touch.
In a kind of possible implementation, the first antenna is in contact with the upper surface of the Heat Conduction Material.
In a kind of possible implementation, the thermometric chip is in contact with the Heat Conduction Material.
To solve above technical problem, second aspect of the present invention provides a kind of read write line, including：Processing module, second day
Line and communication interface；The processing module is used to produce energy signal, and the energy signal is transmitted to second antenna,
Wherein, the energy signal is used to provide electric energy for temperature measuring label；Second antenna is used to send the energy to temperature measuring label
Signal is measured, and receives the feedback signal that the temperature measuring label is sent, wherein, the feedback signal includes the switch cubicle after measurement
The mark of the copper bar of the temperature data of copper bar and the switch cubicle；The processing module is additionally operable to receive the feedback signal,
And sent after handling the feedback signal by the communication interface.
In a kind of possible implementation, the processing module includes：Micro-control unit MCU and modulation /demodulation list
Member；The MCU is used to produce baseband signal, by the base band signal transmission to the modem module；The modulation /demodulation
Unit is used to be modulated processing to the baseband signal that the MCU is transmitted, formation energy signal, by the energy signal transmit to
Second antenna；The modem module is additionally operable to, and the feedback signal of second antenna transmission is received, to the feedback
Signal is demodulated processing, and the signal after demodulation process is transmitted to the MCU；The MCU is additionally operable to receive the modulatedemodulate
The signal after the demodulation process of unit transmission is adjusted, the signal after the demodulation process is handled, and is connect by the communication
Signal after mouth transmission processing.
In a kind of possible implementation, the modem module includes：Modulation circuit, gain amplifying circuit and
Demodulator circuit；The modulation circuit is used for the baseband signal for receiving MCU transmission, the baseband signal is modulated and
Filtering, modulation and filtered signal are transmitted to the gain amplifying circuit；The gain amplifying circuit is used for modulation
And filtered signal carries out power adjustment according to predetermined level, energy signal is formed, the energy signal is transmitted to institute
State the second antenna；The demodulator circuit is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is carried out
Demodulation, with the mark of the temperature data of the copper bar that obtains the switch cubicle and the copper bar of the switch cubicle, and by after demodulation
Signal is transmitted to MCU.
In a kind of possible implementation, the MCU is additionally operable to, if within a preset time interval, being not received by symbol
The signal after the demodulation of preset rules is closed, then adjusts the predetermined level of the gain amplifying circuit, the gain amplification electricity is controlled
Road carries out power adjustment again to modulation and filtered signal, and the signal after adjusting again is transmitted to described second day
Line.
In a kind of possible implementation, the read write line also includes multidiameter option switch, third antenna, the 4th antenna
And the 5th antenna；The MCU is used to controlling the multidiameter option switch in the second antenna, third antenna, described
Branch road where 4th antenna, the 5th antenna is switched over.
In a kind of possible implementation, the modulation circuit includes：Phaselocked loop sub-circuit and wave filter；It is described
MCU is connected by the phaselocked loop sub-circuit with the wave filter；The phaselocked loop sub-circuit is used for what the MCU was produced
Baseband signal is modulated, and the signal after modulation is transmitted to the wave filter；After the wave filter is used for the modulation
Signal be filtered.
In a kind of possible implementation, the gain amplifying circuit includes amplifier；The input of the amplifier
It is connected by electric capacity with the output end of the wave filter, the output end of the amplifier passes through electric capacity and multidiameter option switch phase
Connection, the Power Control end of the amplifier is connected with the MCU.
In a kind of possible implementation, the demodulator circuit includes：Detection sub-circuit, three-level signal amplifier and
Commutation sub-circuit；The detection sub-circuit is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is entered
Row peak detection, the signal after detection is transmitted to the three-level signal amplifier；The three-level signal amplifier is to the inspection
Signal after ripple is amplified, and the signal after amplification is transmitted to commutation sub-circuit；The commutation sub-circuit is by after the amplification
Signal be converted to data signal, and by the digital data transmission to MCU.
To solve above technical problem, third aspect present invention provide a kind of temp measuring system, including above-mentioned temperature measuring label with
And above-mentioned read write line.
Beneficial effect
Temperature measuring label, read write line and temp measuring system that the present invention is provided, the energy that read write line is sent is received by first antenna
Signal is measured, the energy signal is used to provide electric energy for the temperature measuring label；Copper bar of the thermometric chip to the switch cubicle
Temperature survey is carried out, feedback signal is formed, by the feedback signal transmission to the first antenna, the first antenna is additionally operable to
The feedback signal that the thermometric chip is transmitted is sent to read write line, wherein, what the feedback signal included after measurement described opens
The mark of the temperature data of the copper bar of cabinet and the copper bar of the switch cubicle is closed, it is possible to achieve passive RFID thermometric, without battery
Power supply, thermometric chip volume is small, and lightweight, antijamming capability is stronger, increases the service life of thermometric chip, meets field application
Demand.
According to below with reference to the accompanying drawings becoming to detailed description of illustrative embodiments, further feature of the invention and aspect
It is clear.
Brief description of the drawings
Comprising in the description and constituting accompanying drawing and the specification of a part of specification and together illustrate the present invention's
Exemplary embodiment, feature and aspect, and for explaining the principle of the present invention.
Fig. 1 shows the set location schematic diagram for the temperature measuring label that the embodiment of the present invention one is provided；
Fig. 2 shows the structural representation for the temperature measuring label that the embodiment of the present invention one is provided；
Fig. 3 shows the structural representation for the temperature measuring label first structure that the embodiment of the present invention two is provided；
Fig. 4 shows the structural representation for the structure of temperature measuring label second that the embodiment of the present invention two is provided；
Fig. 5 shows the structural representation for the structure of temperature measuring label the 3rd that the embodiment of the present invention two is provided；
Fig. 6 shows the structural representation for the read write line that the embodiment of the present invention three is provided；
Fig. 7 shows the structural representation for the read write line that the embodiment of the present invention four is provided；
Fig. 8 shows the structural representation for the read write line that the embodiment of the present invention five is provided；
Fig. 9 shows the structural representation for the temp measuring system that the embodiment of the present invention six is provided.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Unless
Separately have it is other explicitly indicate that, otherwise in entire disclosure and claims, term " comprising " or its conversion such as "comprising" or
" including " etc. will be understood to comprise stated element or part, and not exclude other elements or other compositions
Part.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the present invention, numerous details are given in embodiment below.
It will be appreciated by those skilled in the art that without some details, the present invention can equally be implemented.In some instances, for
Method well known to those skilled in the art, means, element are not described in detail, in order to highlight the purport of the present invention.
Embodiment one
Fig. 1 shows the set location schematic diagram for the temperature measuring label that the embodiment of the present invention one is provided, and Fig. 2 shows implementation of the present invention
The structural representation for the temperature measuring label that example one is provided, as shown in Figure 1 and Figure 2, in thermometric, the temperature measuring label 1 is arranged at out
On the copper bar 2 for closing cabinet.The temperature measuring label 10 includes：First antenna 11 and thermometric chip 12.
The first antenna 11 is connected with the thermometric chip 12, the energy signal for receiving read write line transmission, institute
State energy signal be used for for the temperature measuring label 10 offer electric energy.
The thermometric chip 12 is after the energy signal that the first antenna 11 is transmitted is received, to the switch
The copper bar 2 of cabinet carries out temperature survey, forms feedback signal, by the feedback signal transmission to the first antenna 11, wherein, institute
State the mark of the temperature data of copper bar 2 of the feedback signal including the switch cubicle after measurement and the copper bar 2 of the switch cubicle.
The first antenna 11 is additionally operable to the feedback signal being sent to read write line.
Specifically, first antenna 11 can be formed by the way of metal paving copper.Thermometric chip 12, which can be used, to be met
The RFID of ISO18000-6C/EPC agreements chip, 900MHz hyperfrequency thermometric chips.
Wherein, temperature measuring label 1 can receive energy by first antenna 11 and believe by anaerobic adhesive hydropexis on copper bar 2
Number temperature measuring label 1 gets energy and carries out thermometric, while the result of thermometric is returned into first antenna 11, first antenna 11 will be adopted
Collect signal and be sent to read write line.
Thus, the temperature measuring label that the present embodiment is provided, the energy signal that read write line is sent, institute are received by first antenna 11
State energy signal be used for for the temperature measuring label 1 offer electric energy；The copper bar 2 of 12 pairs of switch cubicles of thermometric chip carries out temperature
Degree measurement, formed feedback signal, by the feedback signal transmission to the first antenna 11, the first antenna 11 be additionally operable to by
The feedback signal that the thermometric chip 12 is transmitted is sent to read write line, wherein, what the feedback signal included after measurement described opens
Close the mark of the temperature data of the copper bar 2 of cabinet and the copper bar 2 of the switch cubicle.The temperature measuring label that the present embodiment is provided, can be with
Passive RFID thermometric is realized, is powered without battery, thermometric chip volume is small, lightweight, and antijamming capability is stronger, increases thermometric core
The service life of piece, meets field application demand.
Embodiment two
The present embodiment is on the basis of embodiment one, and the structure to temperature measuring label is further limited.In the present embodiment,
Structure is realized there is provided three kinds of temperature measuring labels are possible.
Fig. 3 shows the structural representation for the temperature measuring label first structure that the embodiment of the present invention two is provided, as shown in figure 3, this
In embodiment, the temperature measuring label 1 also includes：Heat Conduction Material 13 and substrate 14.
The substrate 14 is arranged at the bottom of the temperature measuring label 1, and the Heat Conduction Material 13 is arranged in the substrate 14
Entreat, and the lower surface of the Heat Conduction Material 13 is in contact with the copper bar 2；
The first antenna 11 is arranged on the top of substrate 14, and is in contact with the upper surface of the substrate 14.
Specifically, first antenna 11 and Heat Conduction Material 13 are good conductor material, and Heat Conduction Material specifically uses silver paste conduct
Heat Conduction Material；Substrate 14 can be packaged using ceramics or high-temperature resistance plastice, in order to reduce point discharge in backing material
Border on using round edge chamfered reduce point discharge, backing material is used as using anti-metal material.
Wherein, the annexation between thermometric chip 12, first antenna 11 and Heat Conduction Material 13, can be three kinds knots
One or more in structure.
Fig. 3 shows the structural representation for the temperature measuring label first structure that the embodiment of the present invention two is provided, referring to figure
3, the first antenna 11 is in contact with the upper surface of the Heat Conduction Material 13.
Specifically, in this structure, first antenna 11 is in contact by the upper surface with Heat Conduction Material 13, Heat Conduction Material 13
The temperature obtained from copper bar 2 is passed into first antenna 11, thermometric chip 12 is realized and surveyed by being contacted with first antenna 11
Temperature.
Fig. 4 shows the structural representation for the structure of temperature measuring label second that the embodiment of the present invention two is provided, as shown in figure 4,
In this structure, the thermometric chip 12 is in contact with the Heat Conduction Material 13, the first antenna 11 and the Heat Conduction Material 13
Do not contact.
Specifically, in this structure, the temperature obtained from copper bar 2 is passed to thermometric chip 12 by Heat Conduction Material 13, is surveyed
Warm chip 12 realizes thermometric by being contacted with Heat Conduction Material 13.
Fig. 5 shows the structural representation for the structure of temperature measuring label the 3rd that the embodiment of the present invention two is provided, as shown in figure 5,
In this structure, the first antenna 11 is in contact with the upper surface of the Heat Conduction Material 13, and the thermometric chip 12 is led with described
Hot material 13 is in contact.
Specifically, in this structure, first antenna 11 is in contact by the upper surface with Heat Conduction Material 13, Heat Conduction Material 13
The temperature obtained from copper bar 2 is passed into first antenna 11 and thermometric chip 12, thermometric chip 12 by with first antenna
11 contacts are contacted with Heat Conduction Material 13, realize thermometric.
Thus, the temperature measuring label that the present embodiment is provided, by setting first antenna 11, thermometric chip 12, Heat Conduction Material 13
And substrate 14, the substrate 14 is arranged at the bottom of the temperature measuring label 1, and the Heat Conduction Material 13 is arranged on the substrate 14
Center, and the lower surface of the Heat Conduction Material 13 is in contact with the copper bar 2；The first antenna 11 is arranged on the substrate
14 tops, and be in contact with the upper surface of the substrate 14, it is possible to achieve passive RFID thermometric, powered without battery, thermometric
Chip volume is small, lightweight, and antijamming capability is stronger, increases the service life of thermometric chip, meets field application demand.
Embodiment three
Fig. 6 shows the structural representation for the read write line that the embodiment of the present invention three is provided, as shown in fig. 6, the read write line 20
Including：Processing module 40, the second antenna 61 and communication interface 7.
The processing module 40 is used to produce energy signal, and the energy signal is transmitted to second antenna 61, its
In, the energy signal is used to provide electric energy for temperature measuring label 1.
Second antenna 61 is sent for sending the energy signal to temperature measuring label 1, and receiving the temperature measuring label 1
Feedback signal, wherein, the feedback signal include measurement after switch cubicle copper bar temperature data and the switch cubicle
Copper bar mark.
The processing module 40 is additionally operable to receive the feedback signal, and by institute after handling the feedback signal
Communication interface 7 is stated to send.
The read write line provided in the present embodiment can be 900MHz hyperfrequency thermometric read write lines, and antijamming capability is stronger.
Read write line provided in an embodiment of the present invention, is used to produce energy signal, by the energy by the processing module 40
Amount signal is transmitted to second antenna 61, wherein, the energy signal is used to provide electric energy for temperature measuring label 1.Described second
Antenna 61 is used to send the energy signal to temperature measuring label 1, and receives the feedback signal that the temperature measuring label 1 is sent, wherein,
The feedback signal includes the mark of the temperature data of the copper bar of the switch cubicle after measurement and the copper bar of the switch cubicle.It is described
Processing module 40 is additionally operable to receive the feedback signal, and by the communication interface 7 after handling the feedback signal
Send.Read write line provided in an embodiment of the present invention, it is possible to achieve passive RFID thermometric, powers without battery, thermometric chip volume
It is small, it is lightweight, increase the service life of thermometric chip, meet field application demand.
In the present embodiment, the processing module 40 can include：Micro-control unit 4 (Microcontroller Unit, contracting
Write：) and modem module (or modulation-demodulation circuit) 5 MCU.
The MCU4 is used to produce baseband signal, by the base band signal transmission to the modem module 5.
The modem module 5 is used to be modulated processing to the baseband signal that the MCU4 is transmitted, and forms energy letter
Number, the energy signal is transmitted to second antenna 61.
The modem module 5 is additionally operable to receive the feedback signal that second antenna 61 is transmitted, to the feedback letter
Number processing is demodulated, the signal after demodulation process is transmitted to the MCU4.
The MCU4 is additionally operable to receive the signal after the demodulation process that the modem module 5 is transmitted, to the demodulation
Signal after processing is handled, and passes through the signal after the transmission of communication interface 7 processing.
Specifically, the second antenna 61 is by the feedback signal transmission to the modem module 5.
Specifically, communication interface can be it is wireless can also be wired interface.Read write line is arranged in switch cubicle, is led to
Communication interface 7 is crossed, temperature data corresponding with the mark of the copper bar of switch cubicle can be transmitted, be transferred to outside cabinet, for
User checks.
The read write line provided in the present embodiment can be 900MHz hyperfrequency thermometric read write lines, and antijamming capability is stronger.
Thus, read write line provided in an embodiment of the present invention, is used to produce baseband signal, by the base band by the MCU4
Signal is transmitted to the modem module 5.The modem module 5 is used to carry out the baseband signal that the MCU4 is transmitted
Modulation treatment, forms energy signal, the energy signal is transmitted to second antenna 61.The modem module 5 is also
For receiving the feedback signal that second antenna 61 is transmitted, processing is demodulated to the feedback signal, after demodulation process
Signal transmit to the MCU4.The MCU4 is additionally operable to receive the letter after the demodulation process that the modem module 5 is transmitted
Number, the signal after the demodulation process is handled, and pass through the signal after the transmission of communication interface 7 processing.The present invention
The read write line that embodiment is provided, it is possible to achieve passive RFID thermometric, powers, thermometric chip volume is small, lightweight without battery, increases
Plus the service life of thermometric chip, meet field application demand.
Example IV
The present embodiment is further limited modem module on the basis of embodiment three.Fig. 7 shows the present invention
The structural representation for the read write line that example IV is provided, as shown in fig. 7, the modem module includes：Modulation circuit 51, increasing
Beneficial amplifying circuit 52 and demodulator circuit 53.
The modulation circuit 51 is used for the baseband signal for receiving MCU transmission, the baseband signal is modulated with
And filtering, modulation and filtered signal are transmitted to the gain amplifying circuit 52.
The gain amplifying circuit 52 is used to carry out power adjustment according to predetermined level to modulation and filtered signal,
Energy signal is formed, the energy signal is transmitted to second antenna 61.
The demodulator circuit 53 is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is solved
Adjust, with the mark of the temperature data of the copper bar that obtains the switch cubicle and the copper bar of the switch cubicle, by the signal after demodulation
Transmit to MCU4.
Read write line can also include power supply 3, the power supply 3 and the described and communication interface 7, for for the read-write
Device 20 is powered.
In a kind of possible implementation, the MCU4 is additionally operable to, if within a preset time interval, being not received by symbol
The signal after the demodulation of preset rules is closed, then adjusts the predetermined level of the gain amplifying circuit, the gain amplification electricity is controlled
Road carries out power adjustment again to modulation and filtered signal, and the signal after adjusting again is transmitted to second antenna
61。
Wherein, it can be the signal after being demodulated in demodulator circuit 53 to meet the signal after the demodulation process of preset rules.
Specifically, for special construction that may be present in metal safe may to equipment read less than phenomenon, adopt
With the adjustable strategy of antenna power, aerial radiation is carried out by the way of adjustable gain, and the adjustable mode of power classification is believed
Number send, until read label information.
In a kind of possible implementation, the read write line 20 also includes multidiameter option switch 8, third antenna 62, the
Four antennas 63 and the 5th antenna 64.
The MCU4 be used for control the multidiameter option switch 8 the second antenna 61, third antenna 62, the 4th antenna 63,
The place branch road of 5th antenna 64 is switched over.
Specifically, in order to avoid live communication blind district that may be present is by the way of multiple antennas, being used in the present embodiment
Four antennas are managed.
Specifically the course of work is：Read write line 20 is transmitted a signal on temperature measuring label 1 by the second antenna 61, temperature measuring label
1, which gets energy, carries out thermometric, the result of thermometric is returned into the second antenna 61, feedback signal is sent to solution by the second antenna 61
Adjust circuit 53,53 pairs of feedback signals of demodulator circuit are demodulated, with obtain the switch cubicle copper bar temperature data with
And the mark of the copper bar of the switch cubicle, the signal after demodulation is transmitted to MCU4.If MCU within a preset time interval, does not have
Receive and meet the signal after the demodulation of preset rules or be not received by demodulated signal, such as signal power is default strong
In degree is interval, then adjust the predetermined level of the gain amplifying circuit 52, control described 52 pairs of modulation of gain amplifying circuit and
Filtered signal carries out power adjustment again, and the signal after adjusting again is transmitted to second antenna 61.Current gain
Amplifying circuit 52 can be provided with 8 power grades and be adjusted, and be adjusted successively from 1-8 grades, 1-8 represents work(successively respectively
The minimum value of rate selects a suitable power to be transmitted to greatest measure.If the predetermined level of the second antenna 61 is adjusted
It has suffered, but MCU is within a preset time interval, the signal that is still not received by after the demodulation for meeting preset rules or does not have
Demodulated signal is received, then multidiameter option switch 8 switches to the place loop of third antenna 62, repeats the above steps.
Read write line provided in an embodiment of the present invention, the baseband signal of the MCU transmission is received by modulation circuit 51, to institute
State baseband signal to be modulated and filter, modulation and filtered signal are transmitted to the gain amplifying circuit 52.Institute
Stating gain amplifying circuit 52 is used to carry out power adjustment according to predetermined level to modulation and filtered signal, forms energy letter
Number, the energy signal is transmitted to second antenna 61.The demodulator circuit 53 is used to receive the temperature measuring label transmission
Feedback signal, the feedback signal is demodulated, with the temperature data for the copper bar for obtaining the switch cubicle and described opened
The mark of the copper bar of cabinet is closed, the signal after demodulation is transmitted to MCU4.Read write line provided in an embodiment of the present invention, it is possible to achieve nothing
Source RFID thermometrics, power without battery, and thermometric chip volume is small, lightweight, increase the service life of thermometric chip, meet scene
Application demand.
Embodiment five
The present embodiment is further limited modem module on the basis of example IV.Fig. 8 shows the present invention
The structural representation for the read write line that embodiment five is provided, as shown in figure 8, the modulation circuit 51 includes：Phaselocked loop sub-circuit 511
And wave filter 512.
The MCU4 is connected by the phaselocked loop sub-circuit 511 with the wave filter 512；The phaselocked loop sub-circuit
511 are used to be modulated the baseband signal that the MCU4 is produced, and the signal after modulation is transmitted to the wave filter 512；
The wave filter 512 is used to be filtered the signal after the modulation.
Specifically, wave filter 512 is filtered to noise signal.
The gain amplifying circuit 52 includes amplifier；The input of the amplifier passes through electric capacity and the wave filter
512 output end is connected, and the output end of the amplifier is connected by electric capacity with multidiameter option switch 8, the amplifier
Power Control end be connected with the MCU4.
The demodulator circuit 53 includes：Detection sub-circuit 531, three-level signal amplifier 532 and commutation sub-circuit 533.
The detection sub-circuit 531 is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is entered
Row peak detection, the signal after detection is transmitted to the three-level signal amplifier 532.532 pairs of the three-level signal amplifier
Signal after the detection is amplified, and the signal after amplification is transmitted to commutation sub-circuit 533.The commutation sub-circuit 533
Signal after the amplification is converted into data signal, and by the digital data transmission to MCU4.
Specifically, the feedback signal received carries out peak detection by detection sub-circuit 531, then passes the signal to
Three-level signal amplifier 532 is amplified, and the signal after amplification is transmitted to commutation sub-circuit 533, and the signal after rectification is passed
MCU is transported to, MCU is handled signal, MCU sends signal the signal handled by communication interface, and communication connects
Mouthful can be it is wireless can also be wired interface.
Read write line provided in an embodiment of the present invention, modulation circuit 51 includes phaselocked loop sub-circuit 511 and wave filter 512,
The gain amplifying circuit 52 includes amplifier；The demodulator circuit 53 includes：Detection sub-circuit 531, three-level signal amplifier
532 and commutation sub-circuit 533.Read write line provided in an embodiment of the present invention, it is possible to achieve passive RFID thermometric, is supplied without battery
Electricity, thermometric chip volume is small, lightweight, increases the service life of thermometric chip, meets field application demand.
Embodiment six
Fig. 9 shows the structural representation for the temp measuring system that the embodiment of the present invention six is provided, as shown in figure 9, the present embodiment is carried
The temp measuring system of confession, including embodiment one or the temperature measuring label 1 described in embodiment two and embodiment three, example IV or implementation
Read write line 20 in example five, record the present embodiment referred in previous embodiment is not being repeated.
Thus, the temp measuring system that the present embodiment is provided, is entered by modem module to the MCU baseband signals produced
Row modulation treatment, forms energy signal, and the second antenna is used to send the energy signal to temperature measuring label 1；First antenna is received
The energy signal that read write line is sent, is that the temperature measuring label 1 provides electric energy；Copper bar 2 of the thermometric chip to the switch cubicle
Temperature survey is carried out, feedback signal is formed, by the feedback signal transmission to the first antenna, the first antenna is additionally operable to
The feedback signal that the thermometric chip is transmitted is sent to read write line, wherein, what the feedback signal included after measurement described opens
Close the mark of the temperature data of the copper bar 2 of cabinet and the copper bar 2 of the switch cubicle.Second antenna receives the temperature measuring label
1 feedback signal sent, by the feedback signal transmission to the modem module, modem module was to described second day
The feedback signal that line is sent is demodulated processing MCU and receives the signal after demodulation, and the signal after the demodulation is handled, and
And by communication interface, the signal after the demodulation after transmission processing.The temp measuring system that the present embodiment is provided, it is possible to achieve nothing
Source RFID thermometrics, power without battery, and thermometric chip volume is small, lightweight, and antijamming capability is stronger, increase making for thermometric chip
With the life-span, field application demand is met.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Claims (13)
1. a kind of temperature measuring label, it is characterised in that
The temperature measuring label includes：First antenna and thermometric chip；
The first antenna is connected with the thermometric chip, the energy signal for receiving read write line transmission, the energy letter
Number be used for provide electric energy for the temperature measuring label；
The thermometric chip is carried out after the energy signal of the first antenna transmission is received to the copper bar of switch cubicle
Temperature survey, forms feedback signal, by the feedback signal transmission to the first antenna, wherein, the feedback signal includes
The mark of the temperature data of the copper bar of the switch cubicle after measurement and the copper bar of the switch cubicle；
The first antenna is additionally operable to the feedback signal being sent to read write line.
2. temperature measuring label according to claim 1, it is characterised in that the temperature measuring label also includes：Heat Conduction Material and
Substrate；
The substrate is arranged at the bottom of the temperature measuring label, and the Heat Conduction Material is arranged on the substrate center, and described
The lower surface of Heat Conduction Material is in contact with the copper bar；
The first antenna is arranged on above the substrate, and is in contact with the upper surface of the substrate.
3. temperature measuring label according to claim 2, it is characterised in that
The first antenna is in contact with the upper surface of the Heat Conduction Material.
4. the temperature measuring label according to Claims 2 or 3, it is characterised in that
The thermometric chip is in contact with the Heat Conduction Material.
5. a kind of read write line, it is characterised in that including：Processing module, the second antenna and communication interface；
The processing module is used to produce energy signal, and the energy signal is transmitted to second antenna, wherein, the energy
Amount signal is used to provide electric energy for temperature measuring label；
Second antenna is used to send the energy signal to temperature measuring label, and receives the feedback letter that the temperature measuring label is sent
Number, wherein, the feedback signal includes the temperature data of the copper bar of the switch cubicle after measurement and the copper bar of the switch cubicle
Mark；
The processing module is additionally operable to receive the feedback signal, and by the communication after handling the feedback signal
Interface is sent.
6. read write line according to claim 5, it is characterised in that the processing module includes：Micro-control unit MCU and
Modem module；
The MCU is used to produce baseband signal, by the base band signal transmission to the modem module；
The modem module is used to be modulated processing to the baseband signal that the MCU is transmitted, and energy signal is formed, by institute
Energy signal is stated to transmit to second antenna；
The modem module is additionally operable to, and receives the feedback signal of second antenna transmission, and the feedback signal is carried out
Demodulation process, the signal after demodulation process is transmitted to the MCU；
The MCU is additionally operable to receive the signal after the demodulation process of the modem module transmission, after the demodulation process
Signal handled, and pass through the communication interface transmission handle after signal.
7. read write line according to claim 6, it is characterised in that the modem module includes：Modulation circuit, gain
Amplifying circuit and demodulator circuit；
The modulation circuit is used for the baseband signal for receiving the MCU transmission, and the baseband signal is modulated and filtered,
Modulation and filtered signal are transmitted to the gain amplifying circuit；
The gain amplifying circuit is used to carry out power adjustment according to predetermined level to modulation and filtered signal, forms energy
Signal is measured, the energy signal is transmitted to second antenna.
The demodulator circuit is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is demodulated, with
The mark of the temperature data of the copper bar of the switch cubicle and the copper bar of the switch cubicle is obtained, and the signal after demodulation is transmitted
To MCU.
8. read write line according to claim 7, it is characterised in that
The MCU is additionally operable to, if within a preset time interval, being not received by the signal after the demodulation for meeting preset rules, then
Adjust the predetermined level of the gain amplifying circuit, control the gain amplifying circuit to modulation and filtered signal again
Power adjustment is carried out, the signal after adjusting again is transmitted to second antenna.
9. read write line according to claim 5, it is characterised in that
The read write line also includes multidiameter option switch, third antenna, the 4th antenna and the 5th antenna；
The MCU be used for control the multidiameter option switch second antenna, the third antenna, the 4th antenna,
Branch road where 5th antenna is switched over.
10. read write line according to claim 7, it is characterised in that the modulation circuit includes：Phaselocked loop sub-circuit and
Wave filter；
The MCU is connected by the phaselocked loop sub-circuit with the wave filter；
The phaselocked loop sub-circuit is used to be modulated the baseband signal that the MCU is produced, and the signal after modulation is transmitted
To the wave filter；
The wave filter is used to be filtered the signal after the modulation.
11. read write line according to claim 10, it is characterised in that the gain amplifying circuit includes amplifier；
The input of the amplifier is connected by electric capacity with the output end of the wave filter, and the output end of the amplifier is led to
Cross electric capacity with multidiameter option switch to be connected, the Power Control end of the amplifier is connected with the MCU.
12. read write line according to claim 7, it is characterised in that the demodulator circuit includes：
Detection sub-circuit, three-level signal amplifier and commutation sub-circuit；
The detection sub-circuit is used to receive the feedback signal that the temperature measuring label is sent, and the feedback signal is carried out into peak value inspection
Ripple, the signal after detection is transmitted to the three-level signal amplifier；
The three-level signal amplifier is amplified to the signal after the detection, and the signal after amplification is transmitted to commutator electricity
Road；
Signal after the amplification is converted to data signal by the commutation sub-circuit, and by the digital data transmission to MCU.
13. a kind of temp measuring system, it is characterised in that will including the temperature measuring label and right described in claim any one of 1-4
Seek the read write line any one of 5-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710436238.2A CN107239816A (en) | 2017-06-12 | 2017-06-12 | A kind of temperature measuring label, read write line and temp measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436238.2A CN107239816A (en) | 2017-06-12 | 2017-06-12 | A kind of temperature measuring label, read write line and temp measuring system |
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| CN107239816A true CN107239816A (en) | 2017-10-10 |
Family
ID=59986246
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710436238.2A Pending CN107239816A (en) | 2017-06-12 | 2017-06-12 | A kind of temperature measuring label, read write line and temp measuring system |
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| CN (1) | CN107239816A (en) |
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