CN108171301A - A kind of RFID chip with interactive switch input port and sensor sensing unit - Google Patents
A kind of RFID chip with interactive switch input port and sensor sensing unit Download PDFInfo
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- CN108171301A CN108171301A CN201611113546.3A CN201611113546A CN108171301A CN 108171301 A CN108171301 A CN 108171301A CN 201611113546 A CN201611113546 A CN 201611113546A CN 108171301 A CN108171301 A CN 108171301A
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- rfid chip
- control unit
- interface circuit
- sensor sensing
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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
- G06K19/0716—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
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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
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
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Abstract
The present invention is a kind of RFID chip with interactive switch input port and sensor sensing unit, and the RFID chip includes radio frequency interface unit, calculation control unit, storage unit, input interface unit and sensor sensing unit.The computer control unit is microprocessor calculation control unit, including microprocessor (CPU) and program storage (ROM).The storage unit includes random access memory (RAM) and data storage (EEPROM).RFID chip can support system that can acquire the variable data of RFID chip local environment, and can be converted according to the selection of demand into the line sensor of holder.RFID chip with interactive switch input port and sensor sense unit, the data such as kinds of goods lot number, identifier can not only be transmitted, required environmental variance home record time and end time can also be set by RFID reader, and its data information within the beginning and ending time, the data record of environmental variance can be read.
Description
Technical field
The present invention relates to RFID chips.
Background technology
With the development of Internet of Things and mobile Internet, RFID electronic label and various IC card are using more and more extensive, spy
Be not comprehensively universal with smart mobile phone, mobile phone radio frequency identification function and NFC function are also increasingly popularized, RFID electronic label and
The multifunctional unit application of IC card is just in rapid growth.
RFID chip used in traditional RFID electronic label is using radio-frequency antenna as unique handshake interface, this letter
Single structure type makes the encapsulation of RFID chip conveniently, and cost is relatively low, and the Rapid Popularization for RFID provides condition.
But the development applied with RFID, it has been found that traditional RFID chip is " single function ".It is merely able to
Information exchange is carried out according to the default homologous ray of the set design of chip and application system.The environment of RFID application scenarios becomes
Change cannot be fed back in application system, this multifunctional unit for applying RFID brings difficulty.Such as in Cold Chain Logistics
In transport, storage and sales process, the record of environment temperature has great significance to the quality guarantee of article.Therefore, one
The RFID chip for being integrated with interactive switch input and sensor sensing unit provides more for the whole process monitoring of Cold Chain Logistics
Effectively, inexpensive and safe reliable solution.
Invention content
It is fed back in application system, realized according to the transformation of the environment of application scenarios present invention aim to address RFID chip
Ensure basic interaction function, while also realize to detect environmental variance and record, can be used for stringenter to environmental requirement
The condition monitoring of article solves selection demand of the different user to RFID functions.
To realize the present invention purpose and the technical solution adopted is that such, including six kinds of functional forms：
One：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include radio frequency
Interface circuit unit, calculation control unit, storage unit, sensor sensing unit and input interface circuit unit.When RFID is read
When writing device and being written and read operation with the RFID chip, the information that RFID reader is generated with the calculation control unit is by radio frequency
Interface circuit unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
Signal and the sensor sensing unit that the input interface circuit unit is sent out can be read by the calculation control unit
The environmental variance of identification.
Secondly：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include radio frequency
Interface circuit unit, calculation control unit, storage unit, sensor sensing unit and input interface circuit unit.When RFID is read
When writing device and being written and read operation with the RFID chip, the information that RFID reader is generated with the calculation control unit is by radio frequency
Interface circuit unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The information that the calculation control unit generates can be enabled to receive signal and the biography that the input interface circuit unit is sent to
The influence of the environmental variance of sensor sensing unit identification.
Thirdly：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include radio frequency
Interface circuit unit, calculation control unit, storage unit, sensor sensing unit and input interface circuit unit.When RFID is read
When writing device and being written and read operation with the RFID chip, the information that RFID reader is generated with the calculation control unit is by radio frequency
Interface circuit unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The memory cell contains several information.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The signal that the calculation control unit is generated according to input interface circuit unit and the environment that sensor sensing unit identifies can be enabled
One or more information that the memory cell is stored up selectively is sent out by variable.
It four：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include radio frequency
Interface circuit unit, calculation control unit, storage unit, sensor sensing unit and input interface circuit unit.When RFID is read
When writing device and being written and read operation with the RFID chip, the information that RFID reader is generated with the calculation control unit is by radio frequency
Interface circuit unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The memory cell contains information.Calculating control strategy is provided in the calculation control unit.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The calculation control unit can be enabled according to control strategy is calculated, the signal, the sensor sensing that are generated with input interface circuit unit
The environmental variance and memory cell storage information of unit identification are parameter, calculate or determine the information being sent out.
It five：
A kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit
With input interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as described
The information that calculation control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains information；Calculating control strategy is provided in the calculation control unit；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
Environmental variance record can be started, enable the calculation control unit according to control strategy setting time interval is calculated, it periodically will sensing
The environmental variance of device sensing unit identification and current time deposit storage unit.
It six：
A kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit
With input interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as described
The information that calculation control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains information；Calculating control strategy is provided in the calculation control unit；
The application system of the RFID chip by RFID reader to the RFID chip set environment variable threshold, when
It is automatic to start environmental variance record when environmental variance is more than threshold value, the environmental variance that sensor sensing unit is identified and current
Time is stored in storage unit, automatic to start environmental variance record when environmental variance is again introduced into threshold value, by sensor sensing list
The environmental variance of member identification and current time deposit storage unit.
Further, the calculation control unit is Digital Logic calculation control unit, and the storage unit can for electrically erasable
Program read-only memory (EEPROM).
Further, the calculation control unit is microprocessor calculation control unit, and it is single that the microprocessor calculates control
Member is made of microprocessor (CPU) and program storage (ROM).The storage unit is deposited by random access memory (RAM) and data
Reservoir (EEPROM) forms.
Further, the external circuits of the input interface circuit unit are only to switch, described defeated when its closure or disconnection
Incoming interface circuit unit exports different level signals to calculation control unit.
Further, the input interface circuit unit includes several switch input interface circuits, each switch input
The external contact switch of interface circuit exports level signal all the way to calculation control unit.And the type of these level signals by
The closure of the corresponding external contact switch of chip or disconnection determine.
Further, the input interface circuit unit includes first resistor (R1), second resistance (R2), unidirectionally controlled switch
With switch control bit (C0).The first resistor (R1) and second resistance (R2) composition bleeder circuit, the first resistor (R1)
One end access power supply (VDD), the other end be divided into two-way, wherein passing through chip outside connected switch K after concatenation second resistance (R2) all the wayC0
It is grounded (V afterwardsSS), the control bit C that unidirectionally controlled switch passes through calculation control unit is in addition connected all the way0Access calculates control after control
The input interface of unit processed.The both ends of the unidirectionally controlled switch are respectively K0＇ and K0＂ terminals.The outside connected switch KC0With
One end of two resistance (R2) link is K0Terminal.
The outside connected switch KC0During by external world's control to be closed, K0End and VSSConnection passes through first resistor (R1) and the
K after the bleeder circuit partial pressure of two resistance (R2) composition0＇ is low potential, K0＇ after unidirectionally controlled switch by being input to calculating control
The input interface K of unit0＂, at this moment K0＂ and K0＇ is similarly low potential, and calculation control unit then thinks outside connected switch circuit unit
Respective switch position is " 0 ".
The outside connected switch KC0During by external world's control to disconnect, K0End and VSSIt disconnects, passes through first resistor (R1) and the
K after the bleeder circuit partial pressure of two resistance (R2) composition0＇ is high potential, K0＇ after unidirectionally controlled switch by being input to calculating control
The input interface K of unit0＂, at this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks outside connected switch circuit unit
Respective switch position is " 1 ".
Further, the sensor sensing unit includes but is not limited to：Temperature sensor senses unit, pressure sensing
Device sensing unit, humidity sensor sensing unit or optical sensor sensing unit.
The solution have the advantages that unquestionable, simple interactive selection demand can be met according to different user,
The structure type of RFID chip keeps simple succinct to the full extent simultaneously.It can support system that can acquire RFID chip institute
Locate the variable data of environment, and threshold transformation can be carried out according to the demand of holder, and to being more than the variate-value of threshold value and current
Time is recorded.RFID chip with interactive switch input port and sensor sense unit, can not only transmit kinds of goods lot number,
The data such as identifier can also set required environmental variance home record time and end time by RFID reader,
And its data information within the beginning and ending time, know the environmental variance in whole process variation whether be more than threshold value and its when
Between, the data record of environmental variance is read.
Description of the drawings
Fig. 1 is the chip frame figure of the present invention；
Fig. 2 is the total system framework map of the present invention；
Fig. 3 is a kind of framework map of the RFID chip of Digital Logic control；
Fig. 4 is the framework map of another RFID chip with CPU；
Fig. 5 is a kind of circuit diagram of input interface circuit unit.
Specific embodiment
With reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all be included within the scope of the present invention.
Embodiment 1：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include penetrating
Frequency interface unit, calculation control unit, storage unit, input interface unit and sensor sensing unit.When RFID reader is same
When the RFID chip is written and read operation, RFID reader is with the information that the calculation control unit generates by radio frequency interface electricity
Road unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip of the present embodiment, input interface circuit unit is further included.In the RFID chip, pass through people
Work, the input interface circuit unit send one or more signals to the calculation control unit.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
Signal and the sensor sensing unit that the input interface circuit unit is sent out can be read by the calculation control unit
The environmental variance of identification.
Specifically, the IC card sensor sensing Unit selection temperature sensor, can be set not according to different environment
Same temperature threshold.I.e. described input interface circuit unit is three switches, each contact switch is to calculation control unit
Export level signal all the way.And the type of these level signals is determined by the closure or disconnection of corresponding contact switch.Work as IC
When card article in different environments carries out monitoring temperature, need to set different temperature thresholds, can according to the needs of user into
The setting and selection of row threshold value.
Such as：
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
User sets K1、K2And K3When being 0, IC card is read out, the A temperature in calculation control unit output block
Threshold information, the temperature for the fresh product to refrigerating supply chain monitors in real time and alarm.
User sets K1For 1, K2For 1, K3When being 0, IC card is read out, the B temperature in calculation control unit output block
Threshold information is spent, for the temperature real time monitoring of medical vaccine and alarm.
User sets K1For 1, K2For 1, K3When being 1, IC card is read out, the C temperature in calculation control unit output block
Spend threshold information, real time monitoring and alarm for workshop temperature.
Embodiment 2：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include penetrating
Frequency interface unit, calculation control unit, storage unit, input interface unit and sensor sensing unit.When RFID reader is same
When the RFID chip is written and read operation, RFID reader is with the information that the calculation control unit generates by radio frequency interface electricity
Road unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip of the present embodiment, input interface circuit unit is further included.In the RFID chip, pass through people
Work, the input interface circuit unit send one or more signals to the calculation control unit.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The information that the calculation control unit generates can be enabled to receive signal and the biography that the input interface circuit unit is sent to
The influence of the environmental variance of sensor sensing unit identification.
Specifically, the RFID chip sensor sensing Unit selection is temperature sensor, it can reflect HIV vaccine
Usage scenario.I.e. described input interface circuit unit is three switches, each contact switch is exported to calculation control unit
Level signal all the way.And the type of these level signals is determined by the closure or disconnection of corresponding contact switch.
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
When HIV vaccine is in the state of " waiting for manufacture ", K1、K2And K3When being 0.RFID chip is read out, and is calculated
The information such as the HIV vaccine sequence number in control unit output block, while output temperature sensor is produced in HIV vaccine production
The temperature information recorded in the process, and the status information of " waiting for manufacture " is exported, system is after this information is read
It is automatically transferred in the corresponding processing program of " waiting for manufacture ".
When HIV vaccine is in transportational process, after the chip for scanning HIV vaccine, K1For 1, K2And K3It is 0.RFID cores
Piece is read out, the information such as HIV vaccine sequence number in calculation control unit output block, while output temperature sensor exists
The temperature information recorded in the process and the temperature information recorded in HIV vaccine transportational process are produced in HIV vaccine production, and
And the status information of output " transportational process ", system can be automatically transferred to the phase arrived at after this information is read
It answers in processing routine.
When HIV vaccine, which is in, to arrive at the destination so that K1For 1, K2For 1, K3It is 0.RFID chip is read out, and is calculated
The information such as the HIV vaccine sequence number in control unit output block, while output temperature sensor is produced in HIV vaccine production
The temperature information recorded in the process and the temperature information recorded in HIV vaccine transportational process, also in HIV vaccine in mesh
Ground storage when the temperature information that records, and export the status information of " arriving at the destination ", system read this information with
It can be automatically transferred to afterwards in the corresponding processing program arrived at.
When HIV vaccine is by use, so that K1For 1, K2For 1, K3It is 1.RFID chip is read out, calculation control unit
The information such as the commodity sequence number in output block, while output temperature sensor records during HIV vaccine production is produced
Temperature information and the temperature information that is recorded in HIV vaccine transportational process, also when HIV vaccine is stored in destination
The temperature information of record, and the status information of " by using " is exported, system can accurate judgement after this information is read
HIV vaccine production, transport and storage overall process in whether reliably implement temperature control, if can use safely or
Whether it has been previously used and has judged whether the HIV vaccine is counterfeited.
Embodiment 3：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include penetrating
Frequency interface unit, calculation control unit, storage unit, input interface unit and sensor sensing unit.When RFID reader is same
When the RFID chip is written and read operation, RFID reader is with the information that the calculation control unit generates by radio frequency interface electricity
Road unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The memory cell contains several information.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The signal that the calculation control unit is generated according to input interface circuit unit and the environment that sensor sensing unit identifies can be enabled
One or more information that the memory cell is stored up selectively is sent out by variable.
Specifically, the RFID chip sensor sensing Unit selection is pressure sensor, it can be according to the field used
Scape sets different precision.I.e. described input interface circuit unit is three switches, each contact switch is controlled to calculating
Unit exports level signal all the way.And the type of these level signals is determined by the closure or disconnection of corresponding contact switch.
User can select different switch combinations according to agreement, different pressure accuracy be selected to be surveyed so as to be sent out to system
Amount.
Such as：Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
User sets K by pulses measure of the RFID card for having pressure sensor for biomedicine1、K2And K3It is
When 0, RFID card is read out, the A measurement accuracy in calculation control unit output block.
The RFID card for having pressure sensor is used in the gas-liquid pressure measurement lived usually by user, sets K1For 1,
K2For 1, K3When being 0, RFID card is read out, the B measurement accuracy in calculation control unit output block.
The RFID card for having pressure sensor is used in the pressure measurement of mechanical devices by user, sets K1For 1, K2For 1,
K3When being 1, RFID card is read out, the C measurement accuracy in calculation control unit output block.
Embodiment 4：
A kind of RFID chip with interactive switch input port and sensor sensing unit, the RFID chip include penetrating
Frequency interface unit, calculation control unit, storage unit, input interface unit and sensor sensing unit.When RFID reader is same
When the RFID chip is written and read operation, RFID reader is with the information that the calculation control unit generates by radio frequency interface electricity
Road unit is transmitted and exchanged into row information by its external antenna.
In the RFID chip, by manual intervention, the input interface circuit unit is sent out to the calculation control unit
Send one or more signals.
The environmental variance of the sensor sensing unit identification RFID chip present position.
The memory cell contains information, and calculating control strategy is provided in the calculation control unit.
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when,
The calculation control unit can be enabled according to control strategy is calculated, the signal, the sensor sensing that are generated with input interface circuit unit
The environmental variance and memory cell storage information of unit identification are parameter, calculate or determine the information being sent out.
Specifically, the sensor sensing unit of the RFID card can select multiple sensors element, such as include temperature
Sensor, humidity sensor and pressure sensor, and selectively use.I.e. described input interface circuit unit is three switches,
Each contact switch exports level signal all the way to calculation control unit.And the type of these level signals is touched by corresponding
Closure or the disconnection of switch are put to determine.
Specifically：
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
User sets K1、K2And K3When being 0, RFID card is read out, the temperature in calculation control unit output block
Spend the record information of sensor.
User sets K1For 1, K2For 1, K3When being 0, RFID card is read out, in calculation control unit output block
Humidity sensor record information.
User sets K1For 1, K2For 1, K3When being 1, RFID card is read out, in calculation control unit output block
Pressure sensor record information.
Embodiment 5：
The major part of the present embodiment further, in the RFID chip, further includes input interface with embodiment 1 or 2
Circuit unit.RFID reader sends out special agreement instruction can read the input interface electricity by the calculation control unit
The switching-state information of road unit.Allow for the holder of RFID reader in this way or server know state it is defeated in RFID chip
The state (which kind of information outputed to calculation control unit) of incoming interface circuit unit.Meanwhile aforesaid operations understand people indirectly
Which kind of intervention is work produce input interface circuit unit.
Embodiment 6
The major part of the present embodiment merely provides the specific input of one kind as shown in Figure 5 with embodiment 1,2 or 3
Interface circuit unit.The input interface circuit unit includes first resistor (R1), second resistance (R2), unidirectionally controlled opens off and on
Close control bit (C0).The first resistor (R1) and second resistance (R2) composition bleeder circuit, described first resistor (R1) one end
Access power supply (VDD), the other end be divided into two-way, wherein passing through chip outside connected switch K after concatenation second resistance (R2) all the wayC0It is followed by
Ground (VSS), the control bit C that unidirectionally controlled switch passes through calculation control unit is in addition connected all the way0It is single to calculate control for access after control
The input interface of member.The both ends of the unidirectionally controlled switch are respectively K0＇ and K0＂ terminals.The outside connected switch KC0With the second electricity
The one end for hindering (R2) link is K0Terminal.
The outside connected switch KC0During by external world's control to be closed, K0End and VSSConnection passes through first resistor (R1) and the
K after the bleeder circuit partial pressure of two resistance (R2) composition0＇ is low potential, K0＇ after unidirectionally controlled switch by being input to calculating control
The input interface K of unit0＂, at this moment K0＂ and K0＇ is similarly low potential, and calculation control unit then thinks outside connected switch circuit unit
Respective switch position is " 0 ".
The outside connected switch KC0During by external world's control to disconnect, K0End and VSSIt disconnects, passes through first resistor (R1) and the
K after the bleeder circuit partial pressure of two resistance (R2) composition0＇ is high potential, K0＇ after unidirectionally controlled switch by being input to calculating control
The input interface K of unit0＂, at this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks outside connected switch circuit unit
Respective switch position is " 1 ".
Claims (12)
1. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when, can lead to
It crosses the calculation control unit and reads signal and the sensor sensing unit identification that the input interface circuit unit is sent out
Environmental variance.
2. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when, can enable
The information that the calculation control unit generates receives signal and the sensor that the input interface circuit unit is sent to
The influence of the environmental variance of sensing unit identification.
3. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains several information；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when, can enable
The environmental variance that the signal and sensor sensing unit that the calculation control unit is generated according to input interface circuit unit identify,
Selectively one or more information that the memory cell is stored up is sent out.
4. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains several information；Calculating control strategy is provided in the calculation control unit；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when, can enable
The calculation control unit is according to control strategy is calculated, the signal, the sensor sensing unit that are generated with input interface circuit unit
Environmental variance and memory cell the storage information of identification are parameter, calculate or determine the information being sent out.
5. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains several information；Calculating control strategy is provided in the calculation control unit；
The application system of the RFID chip by RFID reader to the RFID chip send out agreement special instruction when, can open
Dynamic environmental variance record enables the calculation control unit according to control strategy setting time interval is calculated, periodically by sensor sense
Answer the environmental variance and current time deposit storage unit that unit identifies.
6. a kind of RFID chip with interactive switch input port and sensor sensing unit, it is characterised in that：
The RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage unit, sensor sensing unit and defeated
Incoming interface circuit unit；When RFID reader is written and read operation with the RFID chip, RFID reader is the same as the calculating
The information that control unit generates is transmitted and exchanged into row information by its external antenna by radio-frequency interface circuit unit；
In the RFID chip, by artificial or foreign intervention, the input interface circuit unit is to the calculation control unit
Send one or more signals；
The environmental variance of the sensor sensing unit identification RFID chip present position；
The memory cell contains several information；Calculating control strategy is provided in the calculation control unit；
The application system of the RFID chip by RFID reader to the RFID chip set environment variable threshold range, when
It is automatic to start environmental variance record when environmental variance is more than threshold range, the environmental variance that sensor sensing unit is identified and
Time is stored in storage unit, and when environmental variance is again introduced into threshold range, environmental variance record or enlarged link is automatically closed
The time interval of border variable record reduces the record frequency of environmental variance.
7. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The calculation control unit is Digital Logic calculation control unit；The storage unit can for electricity
Erasable programmable read-only memory (EEPROM).
8. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The calculation control unit is microprocessor calculation control unit, and the microprocessor calculates control
Unit processed is made of microprocessor (CPU) and program storage (ROM)；The storage unit is by random access memory (RAM) sum number
It is formed according to memory (EEPROM).
9. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The external circuits of the input interface circuit unit are only to switch, when its closure or disconnection,
The input interface circuit unit exports different level signals to calculation control unit.
10. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The input interface circuit unit includes several switch input interface circuits, each switch
The external contact switch of input interface circuit exports level signal all the way to calculation control unit；And the kind of these level signals
Class is determined by the closure or disconnection of the external contact switch of corresponding chip.
11. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The input interface circuit unit includes first resistor (R1), second resistance (R2), unidirectional control
System switch and switch control bit (C0)；The first resistor (R1) and second resistance (R2) composition bleeder circuit, first electricity
Hinder (R1) one end access power supply (VDD), the other end be divided into two-way, wherein external by chip after concatenation second resistance (R2) all the way
Switch KC0It is grounded (V afterwardsSS), the control bit C that unidirectionally controlled switch passes through calculation control unit is in addition connected all the way0It is accessed after control
The input interface of calculation control unit；The both ends of the unidirectionally controlled switch are respectively K0＇ and K0＂ terminals；The outside connected switch
KC0It is K with one end that second resistance (R2) links0Terminal；
The outside connected switch KC0During by external world's control to be closed, K0End and VSSConnection passes through first resistor (R1) and the second electricity
Hinder K after the bleeder circuit that (R2) is formed divides0＇ is low potential, K0＇ after unidirectionally controlled switch by being input to calculation control unit
Input interface K0＂, at this moment K0＂ and K0＇ is similarly low potential, and calculation control unit then thinks that outside connected switch circuit unit is corresponding
It is " 0 " to switch position；
The outside connected switch KC0During by external world's control to disconnect, K0End and VSSIt disconnects, passes through first resistor (R1) and the second electricity
Hinder K after the bleeder circuit that (R2) is formed divides0＇ is high potential, K0＇ after unidirectionally controlled switch by being input to calculation control unit
Input interface K0＂, at this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks that outside connected switch circuit unit is corresponding
It is " 1 " to switch position.
12. a kind of according to claim 1,2,3,4,5 or 6 is with interactive switch input port and sensor sensing unit
RFID chip, it is characterised in that：The sensor sensing unit can be temperature sensor senses unit, pressure sensor sense
Answer unit, humidity sensor sensing unit or optical sensor sensing unit one of which or wherein several combinations.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110223247.XA CN112836780A (en) | 2016-12-07 | 2016-12-07 | RFID chip with interactive switch input port and sensor induction unit |
| CN201611113546.3A CN108171301B (en) | 2016-12-07 | 2016-12-07 | RFID chip with interactive switch input port and sensor induction unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611113546.3A CN108171301B (en) | 2016-12-07 | 2016-12-07 | RFID chip with interactive switch input port and sensor induction unit |
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| CN202110223247.XA Division CN112836780A (en) | 2016-12-07 | 2016-12-07 | RFID chip with interactive switch input port and sensor induction unit |
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| CN108171301B CN108171301B (en) | 2021-02-23 |
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| CN201611113546.3A Active CN108171301B (en) | 2016-12-07 | 2016-12-07 | RFID chip with interactive switch input port and sensor induction unit |
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| CN112836780A (en) | 2021-05-25 |
| CN108171301B (en) | 2021-02-23 |
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