CN207318987U - A kind of passive communication switching system based on RFID - Google Patents
A kind of passive communication switching system based on RFID Download PDFInfo
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- CN207318987U CN207318987U CN201721149821.7U CN201721149821U CN207318987U CN 207318987 U CN207318987 U CN 207318987U CN 201721149821 U CN201721149821 U CN 201721149821U CN 207318987 U CN207318987 U CN 207318987U
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Abstract
It the utility model is related to a kind of passive communication switching system based on RFID, it includes transmitting terminal and receiving terminal, transmitting terminal sends information to the reception antenna of receiving terminal by transmitting antenna, the information received is sent to the MCU processing of receiving terminal by reception antenna, MCU judges whether information is legal, if information is legal, switch process data are opened, and return and receive information to transmitting terminal；If information is illegal, any action is not done；The utility model can be realized do not destroy integral sealing in the case of, complete equipment start-stop, the function of data transfer.The utility model stability is good, cost price is low.
Description
Technical field
A kind of communication switch is the utility model is related to, particularly a kind of passive communication switching system based on RFID, belonged to
Contactless switching equipment technology, is needing to seal, is isolating, non-contacting switch use environment.
Background technology
Usually, in enterprise or group, due to some equipment, especially underwater equipment, underwater robot and close to leading
The equipment and facility of electro-hydraulic body, to leakproofness, water proofing property, isolation etc. have strict demand, it is necessary to using it is isolated switch and
Realize communication function, and current isolated switch is typically only capable to realize switching function, and majority needs equipment in-line power,
Very big hidden danger is brought in terms of security, kwh loss, and can not achieve communication function.
Utility model content
The utility model proposes a kind of passive communication switching system based on RFID, solve isolated in the prior art open
Pass can only realize switching function, and majority needs equipment in-line power, be brought in terms of security, kwh loss very big hidden
The problems such as suffering from, and can not achieve communication function.
The utility model is achieved through the following technical solutions：
A kind of passive communication switching system based on RFID, including transmitting terminal and receiving terminal, the transmitting terminal include MCU,
Radio frequency processing module, radiofrequency emitting module, transmitting antenna, MCU, radio frequency processing module, radiofrequency emitting module, transmitting antenna are successively
Connection, MCU receives the command information that user PC ends are sent, and sends information to radio frequency processing module by serial communication, penetrates
The information received is sent to radiofrequency emitting module by frequency processing module, and radiofrequency emitting module sends information to transmitting antenna,
Transmitting antenna sends information to receiving terminal；The receiving terminal include reception antenna, Receiver Module, radio frequency processing module,
MCU, switching device, reception antenna, Receiver Module, radio frequency processing module, MCU, switching device are sequentially connected, the reception
Antenna receives the information that transmitting terminal is sent, and sends information to Receiver Module, the letter that Receiver Module will receive
Breath is sent to radio frequency processing module, and radio frequency processing module sends information to MCU, MCU processing by serial communication modular
And judge whether information is legal, it is legal then to open switching device processing data, and return and receive information to transmitting terminal.
Wherein, the transmitting terminal includes touch-screen, and touch-screen is connected with transmitting terminal MCU, and user is set simultaneously by touch-screen
Send switch order, run time, start voltage, starting current, frequency, the parameter of power factor to internal MCU.
Wherein, the switching device is power supply chip or the switch of MOSFET or photoelectrical coupler with enabled pin
Equipment.
Compared with prior art, the beneficial effects of the utility model are：The utility model successfully solves some equipment,
Especially underwater equipment, underwater robot and the equipment and facility close to conducting liquid, to leakproofness, water proofing property, isolation etc.
There is strict demand.And these equipment need to be started and stopped being completed equipment with an external switch.This switch needs to use
Dynamic sealing designs, otherwise such design price is high, otherwise stability is poor.Can by the utility model passive communication switch
In the case of not destroying integral sealing with realization, equipment start-stop, the function of data transfer are completed.The utility model stability is good,
Cost price is low, realizes two-win.
The utility model is before switch is opened, and receiving terminal is in off-position, and the equipment of receiving terminal is in fully powered-off shape
State, effectively saves electric energy loss, when effectively preventing equipment downtime, due to maloperation caused by procedural problem, electromagnetic problem；Equipment
It is smaller with switching device, the leakage current such as enabled power supply chip or MOSFET, photoelectrical coupler；When transmitting terminal is close to reception
End, receiving terminal antenna are connected to signal, and power supply Enable Pin enables, and power supply chip powers on, and master chip powers on and drives relay etc. to open
Close and close, device power is completed.
Brief description of the drawings
Fig. 1 is 1 schematic diagram of embodiment of the utility model.
Fig. 2 is 2 schematic diagram of embodiment of the utility model.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings, it is to be understood that the utility model
Protection domain and from the limitation of embodiment.
Embodiment 1
As shown in Figure 1, a kind of passive communication switching system based on RFID, including transmitting terminal and receiving terminal；The transmission
End includes MCU, radio frequency processing module, radiofrequency emitting module, transmitting antenna, MCU, radio frequency processing module, radiofrequency emitting module, hair
Penetrate antenna to be sequentially connected, MCU receives the command information that user PC ends are sent, and sends information at radio frequency by serial communication
Module is managed, the information received is sent to radiofrequency emitting module by radio frequency processing module, and radiofrequency emitting module is sent information to
Transmitting antenna, transmitting antenna send information to receiving terminal.
Wherein, the receiving terminal includes reception antenna, Receiver Module, radio frequency processing module, MCU, switching device, connects
Receive antenna, Receiver Module, radio frequency processing module, MCU, switching device to be sequentially connected, the reception antenna receives transmitting terminal
The information of transmission, and Receiver Module is sent information to, the information received is sent at radio frequency by Receiver Module
Module is managed, radio frequency processing module sends information to MCU by serial communication modular, and MCU is handled and whether judged information
It is legal, it is legal then to open switching device processing data, and return and receive information to transmitting terminal.
For transmitting terminal before receiving terminal, receiving terminal is in power-off or low power consumpting state, when sending ending equipment is close to concurrent
When sending enabling signal to receiving terminal, receiving terminal receives radiofrequency signal, and starting switch, powers on to receiving device, and can realize
Data communication.From a distance, between two kinds the non-gold such as fiberglass, plastics can be placed between transmitting terminal and receiving terminal
Belong to material, so can be in the case of completely isolated, controlling switch conducting and shut-off, and communicate.
Power up：When transmitting terminal is close to receiving terminal, is sent by user with PC machine via serial ports and power on instruction to transmission
Hold MCU, MCU to communicate by serial communication or other communications, such as I2C to radio frequency processing module, be then sent to radio-frequency transmissions
Module, is finally sent to receiving terminal antenna via transmission antenna, completes sending function；Receiving terminal antenna is connected to radiofrequency signal, warp
For reception antenna to radio frequency reception end, and by serial communication or other communications, such as I2C, which communicates, gives receiving terminal MCU processing, sentences
Whether disconnected information is legal, legal then to open switch process data, and returns and receive information to transmitting terminal, completes power up.
Lower electric process：When transmitting terminal is close to receiving terminal, cut-offing instruction is sent to transmission via serial ports with PC machine by user
MCU is held, MCU is by serial communication or other communications, the radio frequency sending module that such as I2C communicates to transmitting terminal, and via transmission
Antenna is sent to receiving terminal antenna, completes sending function；Receiving terminal antenna is connected to radiofrequency signal, received antenna to radio frequency reception
End, and by serial communication or other communications, such as I2C, which communicates, gives receiving terminal MCU processing, judges whether information is legal, closes
Rule disconnects switch process data, and returns and receive information to transmitting terminal, completes power process.
Embodiment 2
As shown in Fig. 2, the passive communication switching system based on RFID, which can be applied to toll collection system, timing is
System etc., which includes handheld device end and receiving device end；The handheld device end includes touch-screen, MCU, radio frequency processing mould
Block, radiofrequency emitting module, transmitting antenna, touch-screen, MCU, radio frequency processing module, radiofrequency emitting module, transmitting antenna connect successively
Connect, user is set by touch-screen and sends switch order, run time, startup voltage, starting current, frequency, power factor
Parameter parameter information is sent to by radio frequency processing module by serial communication to internal MCU, MCU, radio frequency processing module is again
Parameter information is sent to radiofrequency emitting module, and receiving terminal is sent to via transmitting antenna, completes sending function.
Handheld device size facilitates administrative staff to carry close to mobile phone.
Receiving device end is placed on inside Sealing Arrangement, including radio frequency reception antenna, Receiver Module, data processing mould
Block, the power management module with enabled pin, serial communication modular.
When handheld device end is close to receiving device end, set by user by the screen or other display equipment of handheld device
Put and send switch order, run time, start voltage, starting current, frequency, the parameter such as power factor in handheld device end
The MCU in portion, MCU are by serial communication or other communications, the radio frequency sending module that such as I2C communicates to transmitting terminal, and via hair
Antennas is sent to receiving terminal antenna, completes sending function.
Receiving terminal antenna is connected to radiofrequency signal, received antenna to radio frequency reception end, and by serial communication or other communication,
Such as I2C, which communicates, gives receiving terminal MCU processing, judges whether information is legal, legal then to open switch and processing relevant information,
And return and receive information to transmitting terminal.
The utility model requires leakproofness, isolated form, non-contacting switching system application suitable for all.
Claims (3)
- A kind of 1. passive communication switching system based on RFID, it is characterised in that including transmitting terminal and receiving terminal, the transmitting terminal Including MCU, radio frequency processing module, radiofrequency emitting module, transmitting antenna, MCU, radio frequency processing module, radiofrequency emitting module, transmitting Antenna is sequentially connected, and MCU receives the command information that user PC ends are sent, and sends information to radio frequency processing by serial communication The information received is sent to radiofrequency emitting module by module, radio frequency processing module, and radiofrequency emitting module sends information to hair Antenna is penetrated, transmitting antenna sends information to receiving terminal；The receiving terminal includes reception antenna, Receiver Module, at radio frequency Module, MCU, switching device are managed, reception antenna, Receiver Module, radio frequency processing module, MCU, switching device are sequentially connected, The reception antenna receives the information that transmitting terminal is sent, and sends information to Receiver Module, and Receiver Module will connect Received information is sent to radio frequency processing module, and radio frequency processing module sends information to MCU, MCU by serial communication modular Handled and judge whether information is legal, it is legal then to open switching device processing data, and return and receive information to transmitting terminal.
- A kind of 2. passive communication switching system based on RFID according to claim 1, it is characterised in that the transmitting terminal Including touch-screen, touch-screen is connected with transmitting terminal MCU, and user is set by touch-screen and sends switch order, run time, is opened Dynamic voltage, starting current, frequency, the parameter of power factor are to internal MCU.
- A kind of 3. passive communication switching system based on RFID according to claim 1, it is characterised in that the switch Device is power supply chip or the switchgear of MOSFET or photoelectrical coupler with enabled pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149821.7U CN207318987U (en) | 2017-09-08 | 2017-09-08 | A kind of passive communication switching system based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149821.7U CN207318987U (en) | 2017-09-08 | 2017-09-08 | A kind of passive communication switching system based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318987U true CN207318987U (en) | 2018-05-04 |
Family
ID=62386251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721149821.7U Active CN207318987U (en) | 2017-09-08 | 2017-09-08 | A kind of passive communication switching system based on RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318987U (en) |
-
2017
- 2017-09-08 CN CN201721149821.7U patent/CN207318987U/en active Active
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