CN107276232A - A kind of control method of the intelligent electrical apparatus release based on RFID technique - Google Patents
A kind of control method of the intelligent electrical apparatus release based on RFID technique Download PDFInfo
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- CN107276232A CN107276232A CN201710603866.5A CN201710603866A CN107276232A CN 107276232 A CN107276232 A CN 107276232A CN 201710603866 A CN201710603866 A CN 201710603866A CN 107276232 A CN107276232 A CN 107276232A
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- 238000004891 communication Methods 0.000 claims description 23
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- 230000005540 biological transmission Effects 0.000 claims description 6
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Classifications
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention discloses a kind of control method of the intelligent electrical apparatus release based on RFID technique, comprise the following steps：Step one, receiving terminal is set on intelligent electrical apparatus release；Step 2, receiving terminal and hand-held signal transmitting terminal are initialized；Step 3, judges whether receiving terminal receives control signal；Wherein, the control signal that hand-held signal transmitting terminal is sent includes control instruction and identification is instructed, and control instruction is used for the action for controlling intelligent electrical apparatus release, and identification instruction is used for identification intelligent electrical apparatus release, when identification instruction is recognized successfully, control instruction driving intelligent electrical apparatus release action.The control method of the intelligent electrical apparatus release based on RFID technique of the present invention, by way of being divided into control instruction and identification instruction in the control signal that hand-held transmitting terminal is sent, so when intelligent electrical apparatus release performs control instruction, whether just can first judge the intelligent electrical apparatus release to be controlled is to want corresponding intelligent electrical apparatus release, the problem of so effectively avoiding misoperation.
Description
Technical field
It is more particularly to a kind of based on RFID technique the present invention relates to a kind of control method of intelligent electrical apparatus release
The control method of intelligent electrical apparatus release.
Background technology
Breaker is used to switch in electric power system control and protection switch circuit and the releasable failure of intelligence, intelligent electrical apparatus release
It is the core component of intelligent breaker, electromagnetic type or hot type electrical apparatus release are in traditional low-voltage circuit breaker wide selection, the breaker
Action accuracy is not high, and it is a problem to adjust working value；In order to obtain different protection features, it is necessary to different configuration.Distribution
What is automated develops rapidly, and traditional electrical apparatus release of low-voltage circuit breaker configuration has not adapted to new required precision and harsh ring
Border, the performance of breaker actuation is determined by the real-time and accuracy of electrical apparatus release, so using communications applications technology, data signal
Treatment technology and the intelligent electrical apparatus release of computer technology turn into the hot topic of the research and development of global breaker industry.
RFID radio-frequency communications are the popular wireless communication systems of existing comparison, and it has during communicating can be without visually impaired
Hinder this advantage of thing, thus radio communication carried out compared to infrared ray, can effectively avoid during infrared communication because
The problem of can not being delivered to well for signal caused by barrier, the control method of existing intelligent electrical apparatus release is by setting
One transmitter, then sends control instruction in intelligent electrical apparatus release with this transmitter, then can only electrical apparatus release threaded off,
It is the mode of the communication of a diffusion yet with RFID radio-frequency communications, so during control, if only emission control
Instruction, may result in multiple intelligent electrical apparatus releases while receiving this control instruction, then causes intelligent electrical apparatus release synchronization action,
Cause the problem of misoperation occurs in intelligent electrical apparatus release.
The content of the invention
In view of the deficienciess of the prior art, effectively can be controlled it is an object of the invention to provide one kind based on RFID
On the basis of system, it is to avoid the problem of misoperation occurs in intelligent electrical apparatus release occur.
To achieve the above object, the invention provides following technical scheme：A kind of intelligent electrical apparatus release based on RFID technique
Control method, comprise the following steps：
Step one, receiving terminal is set on intelligent electrical apparatus release, and the control circuit in receiving terminal and intelligent electrical apparatus release is connected
Connect, hand-held signal transmitting terminal is set, RFID communication is passed through between hand-held signal transmitting terminal and receiving terminal；
Step 2, receiving terminal and hand-held signal transmitting terminal are initialized, then control is sent by hand-held signal transmitting terminal
Signal；
Step 3, judges whether receiving terminal receives control signal, if receiving control signal input after AD conversions
The action of intelligent electrical apparatus release is controlled in intelligent electrical apparatus release, if receiving terminal does not receive control signal, signal is continued to；
Wherein, the control signal that hand-held signal transmitting terminal is sent includes control instruction and identification is instructed, and control instruction is used for
The action of intelligent electrical apparatus release is controlled, identification instruction is used for identification intelligent electrical apparatus release, when identification instruction is recognized successfully, control instruction
Drive intelligent electrical apparatus release action.
As a further improvement on the present invention, the identification instruction includes address signal and carrier signal, and wherein address is believed
Number for be stored with intelligent electrical apparatus release numbering signal, for identification intelligent electrical apparatus release numbering, carrier signal be used for recognize RFID lead to
Carrier wave during letter.
As a further improvement on the present invention, the receiving terminal in the step one includes：
There is input pin, carrier wave detection pin, address matching pin and output to draw by radio frequency chip U1, radio frequency chip U1
Pin, the input pin includes the first input pin and the second input pin, and second input pin is coupled with after resistance R10
Couple the electric capacity C12 being serially connected and electric capacity C13 to be followed by inputting antenna, second input pin has been also coupled to electric capacity C9 and has been followed by
Ground, is coupled with after electric capacity C10 and is coupled to the first input pin, and first input pin is coupled with after electric capacity C11 and is grounded, and goes back coupling
It is connected to after resistance R11 and is coupled to the one end of resistance R10 relative to the second input pin, first input pin is coupled with mutual string
It is grounded after the resistance R12 and electric capacity C14 of connection, the carrier wave detection pin is coupled to intelligent electrical apparatus release, for outgoing carrier signal
Into intelligent electrical apparatus release, the address matching pin is coupled to intelligent electrical apparatus release, for OPADD signal to intelligent electrical apparatus release
Interior, the output pin is coupled to intelligent electrical apparatus release, for exporting in trip signal to intelligent electrical apparatus release.
As a further improvement on the present invention, the step of receiving terminal receives signal is as follows：
Step 1, radio frequency chip U1 input pin, carrier wave are detected that pin, address match electricity on pin, carrier wave is detected
Pin is set to high level, the control signal of reception antenna input；
Step 2, judge whether the carrier signal in the control signal received by carrier wave detection pin detects correspondence load
Ripple, if detecting, high level is set to by address matching pin, and continues next step, if being not detected by, return to step 1 is to defeated
Enter pin, carrier wave detection pin, address matching pin to re-power, carrier wave detection pin is set into high level again receives letter
Number；
Step 3, judge address matching pin received by control signal in address signal whether the match is successful, if
With success, input pin is set to high level transmission control instruction, after control instruction is transmitted, carrier wave is detected into pin
Low level is all set to address matching pin, return to step 1 is re-powered, if it fails to match, address matching pin is put
Re-powered for low level return to step 1.
As a further improvement on the present invention, the radio frequency chip U1 also has before switch pin, the step 1 and also had
Have chip switch condition adjudgement step, judge switch pin whether input high level, if switch pin input high level, is carried out
Step 1, input pin, carrier wave are detected that pin, address match electricity on pin, if switch pin input low level, without
Any action.
As a further improvement on the present invention, in the step 3 by input pin be set to high level transmission control instruction it
Afterwards, also judge switch pin whether input high level, if without input high level, returning to judgement, if high level, then
Radio frequency chip U1 is set to idle devices, while intelligent electrical apparatus release reads interface input, and carrier wave pin and address is detected into
Matching pin is all set to low level, returns to chip switch condition adjudgement step.
Beneficial effects of the present invention, pass through the setting of step one, it is possible to effectively realize by setting receiving terminal and hand
The mode of signal transmitting terminal is held, to realize that the remote control of an intelligent electrical apparatus release is the effect realized by RFID communication,
And the setting for passing through step 2, it is possible to effectively realize that one is launched control signal by hand-held signal transmitting terminal, and
Pass through the setting of step 3, it is possible to AD conversions are carried out to the control signal received, to enable intelligent electrical apparatus release effective
This signal of identification and acted according to control signal progress, and by control signal being arranged into control instruction and identification refers to
Make the mode be combineding with each other, it is possible to effective by recognizing whether the first identification intelligent electrical apparatus release of instruction is corresponding to be controlled
Intelligent electrical apparatus release, then intelligent electrical apparatus release acted again by control instruction, so just can effectively avoid existing skill
Because RFID communication uses diffusible mode in art, a caused control signal sends, and all intelligent electrical apparatus release
Receiving terminal can all be received, the problem of then misoperation occur.
Brief description of the drawings
Fig. 1 is the control method overview flow chart of the intelligent electrical apparatus release based on RFID technique of the present invention；
Fig. 2 is the circuit diagram of receiving terminal；
Fig. 3 is the flow chart of receiving terminal reception signal in 1.
Embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in 3, a kind of control method of intelligent electrical apparatus release based on RFID technique of the present embodiment, including
Following steps：
Step one, receiving terminal is set on intelligent electrical apparatus release, and the control circuit in receiving terminal and intelligent electrical apparatus release is connected
Connect, hand-held signal transmitting terminal is set, RFID communication is passed through between hand-held signal transmitting terminal and receiving terminal；
Step 2, receiving terminal and hand-held signal transmitting terminal are initialized, then control is sent by hand-held signal transmitting terminal
Signal；
Step 3, judges whether receiving terminal receives control signal, if receiving control signal input after AD conversions
The action of intelligent electrical apparatus release is controlled in intelligent electrical apparatus release, if receiving terminal does not receive control signal, signal is continued to；
Wherein, the control signal that hand-held signal transmitting terminal is sent includes control instruction and identification is instructed, and control instruction is used for
The action of intelligent electrical apparatus release is controlled, identification instruction is used for identification intelligent electrical apparatus release, when identification instruction is recognized successfully, control instruction
Intelligent electrical apparatus release action is driven, it is first when the method using the present embodiment goes control intelligent electrical apparatus release remotely to be threaded off
First steps performed one, sets out hand-held signal transmitting terminal and receiving terminal, it is established that the long-distance intelligent electrical apparatus release based on RFID technique
Fundamental system, then by step 2, control signal is launched using hand-held signal transmitting terminal, afterwards by step 3, is utilized
Receiving terminal receives control signal, and control signal is AD converted, to realize that intelligent electrical apparatus release can effectively recognize control
Signal processed, and acted according to the content generation of control signal, thus the control signal in the present embodiment includes control instruction and knowledge
Do not instruct, then after receiving terminal receives control signal, identification instruction will be first passed through and go to judge, now hand-held signal hair
Penetrate and hold the sent control instruction object to be controlled whether correct, so during communication, even if whole receptions
End have received control signal, and that namely recognizes the intelligent electrical apparatus release generation action corresponding to instruction, and other intelligent
Electrical apparatus release will not produce action, so effectively realize one by way of RFID communication to realize intelligent electrical apparatus release
Telecommunication, on the one hand realize can ignore barrier communication while, additionally it is possible to it is effective to avoid because RFID communication
The problem of easily there is misoperation in caused intelligent electrical apparatus release, wherein also passing through after AD detection conversions in the present embodiment
LCD liquid crystal displays are shown, are so realized during control, operating personnel can get information about state of a control
Effect, and before judging whether to receive data, first employ the mode for interrupting control, operation that can be to whole system
Timing is carried out, and by way of cyberdog, it is possible to achieve when system interim card can not be run, effectively system is carried out
The effect of one Self-resetting, it is to avoid the problem of system interim card is not run.
As a kind of improved embodiment, the identification instruction includes address signal and carrier signal, wherein
Location signal be stored with intelligent electrical apparatus release numbering signal, for identification intelligent electrical apparatus release numbering, carrier signal be used for recognize
Carrier wave during RFID communication, during RFID communication, control instruction needs to carry carrier wave to be communicated, without
With RFID communication between the carrier wave that is used differ, therefore in the present embodiment can be using multiple intelligence be taken off
Device is detained by way of different carrier waves is grouped, intelligent electrical apparatus release is divided, and by way of address signal, just
Intelligent electrical apparatus release in every group can further be numbered, so during identification intelligent electrical apparatus release, can be used
First judge the packet of intelligent electrical apparatus release, the numbering in the packet of intelligent electrical apparatus release is then judged again and intelligent electrical apparatus release is finally determined
The effect of particular location, so using layering searching by the way of, intelligent electrical apparatus release can be fast and effectively searched out, while can be with
Workload of the single-chip microcomputer in intelligent electrical apparatus release during searching is greatly reducing, the burden of single-chip microcomputer is reduced.
As a kind of improved embodiment, the receiving terminal in the step one includes：
There is input pin, carrier wave detection pin, address matching pin and output to draw by radio frequency chip U1, radio frequency chip U1
Pin, the input pin includes the first input pin and the second input pin, and second input pin is coupled with after resistance R10
Couple the electric capacity C12 being serially connected and electric capacity C13 to be followed by inputting antenna, second input pin has been also coupled to electric capacity C9 and has been followed by
Ground, is coupled with after electric capacity C10 and is coupled to the first input pin, and first input pin is coupled with after electric capacity C11 and is grounded, and goes back coupling
It is connected to after resistance R11 and is coupled to the one end of resistance R10 relative to the second input pin, first input pin is coupled with mutual string
It is grounded after the resistance R12 and electric capacity C14 of connection, the carrier wave detection pin is coupled to intelligent electrical apparatus release, for outgoing carrier signal
Into intelligent electrical apparatus release, the address matching pin is coupled to intelligent electrical apparatus release, for OPADD signal to intelligent electrical apparatus release
Interior, the output pin is coupled to intelligent electrical apparatus release, for exporting in trip signal to intelligent electrical apparatus release, passes through radio frequency chip U1
The setting of input pin can receive the radiofrequency signal received by antenna, and input pin is arranged to the first input and drawn
Pin and the second input pin, it is possible to receive radiofrequency signal using two pins, just can so realize the more numbers of reception
According to amount, and pass through electric capacity C12, electric capacity C13, electric capacity C9, electric capacity C10 and electric capacity C11 setting, it is possible to effectively realize one
The effect of an effective filtering clutter is carried out for the radiofrequency signal received, it is ensured that be input to radio frequency chip U1 radio frequency letter
Number accuracy, and the setting of pin is detected by carrier wave, the radiofrequency signal that detect can be exported to intelligent electrical apparatus release
Carrier frequency, such intelligent electrical apparatus release just may determine that this radiofrequency signal it is incidental instruction whether be and intelligent electrical apparatus release phase
Correspondence, can so avoid the occurrence of intelligent electrical apparatus release caused by receiving other radiofrequency signals and issue a signal to tripping mechanism
It is interior, cause the problem of misoperation occurs in tripping mechanism, and the setting of pin is matched by address, threaded off there are many intelligence
When device, it is possible to which in address matching pin OPADD signal to intelligent electrical apparatus release, intelligent electrical apparatus release will be according to address
Signal searches out the intelligent electrical apparatus release corresponding to address, and just can so realize can just be controlled using a RF transmitter
The effect of many intelligent electrical apparatus releases, while an effect being precisely controlled can also be realized, and the receiving terminal in step 3
Receive after control signal, detect pin to judge carrier signal by carrier wave, pin is matched come match address by address
Signal, control instruction is inputted by input pin, so during compiler control program, it is only necessary to direct editing carrier wave
Detection pin carrys out detected carrier signal, and pin is matched come match address signal by address, and need not set up one again
Miscellaneous algorithm after control signal is received the problem of address signal and carrier signal is analyzed, the greatly journey of predigested running
Sequence, reduces cost.
As a kind of improved embodiment, the step of receiving terminal receives signal is as follows：
Step 1, radio frequency chip U1 input pin, carrier wave are detected that pin, address match electricity on pin, carrier wave is detected
Pin is set to high level, the control signal of reception antenna input；
Step 2, judge whether the carrier signal in the control signal received by carrier wave detection pin detects correspondence load
Ripple, if detecting, high level is set to by address matching pin, and continues next step, if being not detected by, return to step 1 is to defeated
Enter pin, carrier wave detection pin, address matching pin to re-power, carrier wave detection pin is set into high level again receives letter
Number；
Step 3, judge address matching pin received by control signal in address signal whether the match is successful, if
With success, input pin is set to high level transmission control instruction, after control instruction is transmitted, carrier wave is detected into pin
Low level is all set to address matching pin, return to step 1 is re-powered, if it fails to match, address matching pin is put
Re-powered for low level return to step 1, pass through the setting of step 1 to step 3, it is possible to be effective to realize that a first detection is carried
Ripple signal, then judges the effect of address signal, and when address signal matches failure and carrier signal detect failure,
Input pin is all set to low level, such input pin would not be output signals in the single-chip microcomputer of intelligent electrical apparatus release, so
Just can avoid occur address signal not correspond to or carrier signal not correspond to when, input pin input nonlinearities signal is arrived
The problem of misoperation occurs in intelligent electrical apparatus release caused by the single-chip microcomputer of intelligent electrical apparatus release, preferably avoids in the prior art
Caused by during RFID communication the problem of intelligent electrical apparatus release misoperation.
As a kind of improved embodiment, the radio frequency chip U1 also has before switch pin, the step 1
Also have chip switch condition adjudgement step, judge switch pin whether input high level, if switch pin input high level,
Step 1 is carried out, input pin, carrier wave are detected that pin, address match electricity on pin, if switch pin input low level, no
Any action is carried out, passes through the setting of switch pin, it is possible to achieve the intelligence being judged as before detected carrier signal now takes off
Detain device and be in the state for needing to control, just can so realize between there are multiple intelligent electrical apparatus releases with numbering with carrier wave,
Can also further control intelligent electrical apparatus release whether the effect acted with control instruction.
Input pin is set into high level transmission control as a kind of improved embodiment, in the step 3 to refer to
After order, also judge switch pin whether input high level, if without input high level, returning to judgement, if high electricity
It is flat, then radio frequency chip U1 is set to idle devices, while intelligent electrical apparatus release reads interface input, and by carrier wave detect pin and
Address matching pin is all set to low level, returns to chip switch condition adjudgement step, can pass through one by above-mentioned steps
Radio frequency chip U1 is changed into idle condition after secondary communication, so just active homing can be carried out to radio frequency chip U1, remove it
Carrier signal information and address signal information that preceding interpretation is completed, this makes it possible to it is effective avoid the occurrence of carrier signal information and
The problem of there is misoperation in intelligent electrical apparatus release caused by address signal information residual.
In summary, the control method of the intelligent electrical apparatus release based on RFID technique of the present embodiment, by by hand-held signal
The control signal of the intercommunication of transmitting terminal and receiving terminal is divided into control instruction and identification is instructed, so just can be effectively real
Now by recognizing that the intelligent electrical apparatus release that instruction identification now receives control signal is to need the intelligent electrical apparatus release of control, thus
Can effectively it avoid the occurrence of in the prior art because intelligent electrical apparatus release misoperation asks caused by the mode of RFID sector communications
Topic.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of control method of the intelligent electrical apparatus release based on RFID technique, it is characterised in that：Comprise the following steps：
Step one, receiving terminal is set on intelligent electrical apparatus release, and receiving terminal is connected with the control circuit in intelligent electrical apparatus release, if
Hand-held signal transmitting terminal is put, RFID communication is passed through between hand-held signal transmitting terminal and receiving terminal；
Step 2, receiving terminal and hand-held signal transmitting terminal are initialized, then control signal is sent by hand-held signal transmitting terminal；
Step 3, judges whether receiving terminal receives control signal, and intelligence is input to if receiving after control signal carries out AD conversions
The action of control intelligent electrical apparatus release, if receiving terminal does not receive control signal, continues to signal in energy electrical apparatus release；
Wherein, the control signal that hand-held signal transmitting terminal is sent includes control instruction and identification is instructed, and control instruction is used to control
The action of intelligent electrical apparatus release, identification instruction is used for identification intelligent electrical apparatus release, when identification instruction is recognized successfully, control instruction driving
Intelligent electrical apparatus release is acted.
2. the control method of the intelligent electrical apparatus release according to claim 1 based on RFID technique, it is characterised in that：It is described to know
Not Zhi Ling include address signal and carrier signal, wherein address signal be stored with intelligent electrical apparatus release numbering signal, for knowing
Other intelligent electrical apparatus release numbering, carrier signal is used to recognize the carrier wave during RFID communication.
3. the control method of the intelligent electrical apparatus release according to claim 2 based on RFID technique, it is characterised in that：The step
Receiving terminal in rapid one includes：
Radio frequency chip U1, radio frequency chip U1 have input pin, carrier wave detection pin, address matching pin and output pin,
The input pin includes the first input pin and the second input pin, and second input pin is coupled with coupling after resistance R10
Meet the electric capacity C12 being serially connected and electric capacity C13 to be followed by inputting antenna, second input pin has been also coupled to be grounded after electric capacity C9,
It is coupled with after electric capacity C10 and is coupled to the first input pin, first input pin is coupled with after electric capacity C11 and is grounded, and is also coupled to
Have and the one end of resistance R10 relative to the second input pin is coupled to after resistance R11, first input pin, which is coupled with, to be serially connected
Resistance R12 and electric capacity C14 after be grounded, carrier wave detection pin is coupled to intelligent electrical apparatus release, is arrived for outgoing carrier signal
In intelligent electrical apparatus release, address matching pin is coupled to intelligent electrical apparatus release, in OPADD signal to intelligent electrical apparatus release,
The output pin is coupled to intelligent electrical apparatus release, for exporting in trip signal to intelligent electrical apparatus release.
4. the control method of the intelligent electrical apparatus release according to claim 3 based on RFID technique, it is characterised in that：It is described to connect
The step of receiving end receives signal is as follows：
Step 1, radio frequency chip U1 input pin, carrier wave are detected that pin, address match electricity on pin, address is matched into pin
It is set to high level, the control signal of reception antenna input；
Step 2, judge whether the carrier signal in the control signal received by carrier wave detection pin detects correspondence carrier wave, if
Detect, address matching pin is set to high level, and continue next step, if being not detected by, 1 pair of input of return to step is drawn
Pin, carrier wave detection pin, address matching pin are re-powered, and carrier wave detection pin is set into high level again receives signal；
Step 3, judge address matching pin received by control signal in address signal whether the match is successful, if matching into
Work(, is set to high level transmission control instruction by input pin, after control instruction is transmitted, carrier wave is detected into pin and ground
Location matching pin is all set to low level, and return to step 1 is re-powered, if it fails to match, address matching pin is set to low
Level return to step 1 is re-powered.
5. the control method of the intelligent electrical apparatus release according to claim 4 based on RFID technique, it is characterised in that：It is described to penetrate
Frequency chip U1, which also has, also has chip switch condition adjudgement step before switch pin, the step 1, judge that switch pin is
No input high level, if switch pin input high level, carries out step 1, and input pin, carrier wave are detected into pin, address
With electric on pin, if switch pin input low level, without any action.
6. the control method of the intelligent electrical apparatus release according to claim 5 based on RFID technique, it is characterised in that：The step
In rapid 3 by input pin be set to high level transmission control instruction after, also judge switch pin whether input high level, if not having
Input high level, then return to judgement, if high level, then radio frequency chip U1 is set into idle devices, while intelligence is de-
Detain device and read interface input, and carrier wave is detected that pin and address matching pin are all set to low level, return to chip switch shape
State judgment step.
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| CN201710603866.5A CN107276232A (en) | 2017-07-21 | 2017-07-21 | A kind of control method of the intelligent electrical apparatus release based on RFID technique |
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| 孙鹏: "单片射频收发器nRF905的原理与应用", 《电子制作》 * |
| 张利刚等: "基于TMS320F2812和nRF905的智能脱扣器设计", 《北京服装学院学报》 * |
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Application publication date: 20171020 |