CN107452195A - A kind of gate inhibition senses the radio transmission transducing device of detection - Google Patents
A kind of gate inhibition senses the radio transmission transducing device of detection Download PDFInfo
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- CN107452195A CN107452195A CN201710847395.2A CN201710847395A CN107452195A CN 107452195 A CN107452195 A CN 107452195A CN 201710847395 A CN201710847395 A CN 201710847395A CN 107452195 A CN107452195 A CN 107452195A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses the radio transmission transducing device that a kind of gate inhibition senses detection, it includes one-chip computer module, gate inhibition's inductive detection module, UART signal modular converter, power module, Voltage stabilizing module, signal level modular converter, device numbering setup module；The power interface of one-chip computer module and the first output end of power module connect；The GPIO interface of one-chip computer module is connected with the output end of device numbering setup module；The UART2 interfaces of one-chip computer module are connected with gate inhibition's inductive detection module；The UART1 interfaces of one-chip computer module are connected with signal level modular converter；Signal level modular converter is connected with UART signal modular converter；UART signal modular converter is also connected with Voltage stabilizing module；Power module is connected with Voltage stabilizing module.Beneficial effects of the present invention：Wiring is simple, improves transmission range, reduces production cost, and data security is good, can be transmitted data conversion that gate inhibition's inductive detection module detects into WIFI, ZigBee, bluetooth these wireless signals.
Description
Technical field
The present invention relates to sensor and wireless communication technique field, particularly a kind of gate inhibition's sensing detection is wirelessly transferred biography
Sensor.
Background technology
Current gate inhibition's inductive pick-up generally uses wire communication mode, the shortcomings of difficult wiring, troublesome maintenance be present.When
Preceding this kind of sensor popularity rate is still than relatively low, because engineering reliability and cost are not to control very well, and this kind of biography
Data safety sex chromosome mosaicism caused by sensor also has transparent transmission.
And its measurement data signals is switched into the wireless signals such as WIFI, ZigBee, bluetooth and is transmitted, it can be very good
Solves problem above.
The content of the invention
In view of the drawbacks described above of prior art, it is an object of the invention to provide the wireless biography that a kind of gate inhibition senses detection
Defeated sensor, the data-signal that can detect gate inhibition's inductive detection module is converted into WIFI, ZigBee, bluetooth, and these are wireless
Signal is transmitted.
The purpose of the present invention realizes that a kind of gate inhibition senses the radio transmission transducing of detection by such technical scheme
Device, it includes：One-chip computer module, gate inhibition's inductive detection module, UART signal modular converter, power module, Voltage stabilizing module, letter
Number level switch module, device numbering setup module；
The power interface K11 of the one-chip computer module is connected with the first output end K41 of the power module；The power supply
Second output end K42 of module is connected with the input K51 of the Voltage stabilizing module；
The UART2 interfaces K13 of the one-chip computer module is connected with the interface K21 of gate inhibition's inductive detection module；
The UART1 interfaces K14 of the one-chip computer module is connected with the input K61 of the signal level modular converter；
The output end K62 of the signal level modular converter and the UART signal modular converter input K32 connect
Connect；
The power interface K31 of the UART signal modular converter is connected with the output end K52 of the Voltage stabilizing module；
The GPIO interface K12 of the one-chip computer module is connected with the output end K71 of the device numbering setup module；
The circuit connection of gate inhibition's inductive detection module is as follows：One socket of induction module P6 connections, the socket connect
An open type magnetic induction module is connect, the open type magnetic induction module is used cooperatively with magnet；
The induction module P6 also includes first interface and second interface；The first interface is connected with supply voltage；
The second interface is connected with current-limiting resistance R46, and the current-limiting resistance R46 other ends are connected with optical coupling module U8 first interface；Light
Coupling module U8 second interfaces are grounded respectively with the 3rd interface；After the 4th interface connection first resistor R44 of the optical coupling module U8,
The first resistor R44 other end is connected with the GPIO interface K 13 of the one-chip computer module.
Further, the UART signal modular converter includes：UART signal is mutually changed with WIFI signal, UART signal
Mutually changed with ZigBee signals, UART signal and Bluetooth signal are mutually changed.
Further, the signal level modular converter includes the first change-over circuit, the second change-over circuit, the 3rd conversion electricity
Road, the 4th change-over circuit；
MOD_TXD in first change-over circuit is connected with the signaling interface of the UART signal modular converter；First conversion
MCU_RX in circuit is connected with the signaling interface of the one-chip computer module；
MOD_RXD in second change-over circuit is connected with the signaling interface of the UART signal modular converter；Second conversion
MCU_TX in circuit is connected with the signaling interface of the one-chip computer module；
MOD_CFG in 3rd change-over circuit is connected with the signaling interface of the UART signal modular converter；3rd conversion
MCU_CFG in circuit is connected with the signaling interface of the one-chip computer module；
MOD_RST in 4th change-over circuit is connected with the signaling interface of the UART signal modular converter；4th conversion
MCU_RST in circuit is connected with the signaling interface of the one-chip computer module.
Further, when the MOD_TXD interfaces in the first change-over circuit are high level, the first triode Q3 cut-offs, second
Triode Q1 base stage is high level, and the second triode Q1 cut-offs, now the MCU_RX interfaces in the first change-over circuit are that 5V is high
Level；
When the MOD_TXD interfaces in the first change-over circuit are low level, the first triode Q3 conductings, the second triode Q1
Base stage be low level, the second triode Q1 conductings, now the MCU_RX interfaces in the first change-over circuit are low level.
Further, when the MCU_TX interfaces in the second change-over circuit are high level, the 3rd triode Q4 cut-offs, the four or three
Pole pipe Q2 base stage is high level, and the 4th triode Q2 cut-offs, now the MOD_RXD interfaces in the second change-over circuit are 3.3V
High level；
When the MCU_TX interfaces in the second change-over circuit are low level, the 3rd triode Q4 conductings, the 4th triode Q2
Base stage be low level, the 4th triode Q2 conductings, now the MOD_RXD interfaces in the second change-over circuit are low level.
Further, when the MCU_CFG interfaces in the 3rd change-over circuit are high level, the 5th triode Q7 cut-offs, the 6th
Triode Q5 base stage is high level, and the 6th triode Q5 cut-offs, now the MOD_CFG interfaces in the 3rd change-over circuit are
3.3V high level；
When the MCU_CFG interfaces in the 3rd change-over circuit are low level, the 5th triode Q7 conductings, the 6th triode Q5
Base stage be low level, the 6th triode Q5 conductings, now the MOD_CFG interfaces in the 3rd change-over circuit are low level.
Further, when the MCU_RST interfaces in the 4th change-over circuit are high level, the 7th triode Q8 cut-offs, the 8th
Triode Q6 base stage is high level, and the 8th triode Q6 cut-offs, now the MOD_RST interfaces in the 4th change-over circuit are
3.3V high level；
When the MCU_RST interfaces in the 4th change-over circuit are low level, the 7th triode Q8 conductings, the 8th triode Q6
Base stage be low level, the 8th triode Q6 conductings, now the MOD_RST interfaces in the 4th change-over circuit are low level.
Further, the power module is the power supply that size is 5V direct currents, and the Voltage stabilizing module includes TCP voltage stabilizings electricity
Source, the TCP voltage-stabilized power supplies size are 3.3V dc source.
Further, the power supply mode of the power module includes wired power supply, battery powered.
Further, the one-chip computer module is STM32 single-chip microcomputers；The optical coupling module U8 is TLP 521-1；The monolithic
Machine module includes 8 GPIO interface K12.
By adopting the above-described technical solution, the present invention has the advantage that：
(1) wiring of complexity is no longer needed；Transmission range is greatly improved；
(2) data-signal that can detect gate inhibition's inductive detection module is converted into WIFI, ZigBee, bluetooth these nothings
Line signal is transmitted；
(3) modular design reduces production cost；
(4) encryption of data has ensured the safe and reliable of data.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can be wanted by following specification and right
Book is sought to realize and obtain.
Brief description of the drawings
The brief description of the drawings of the present invention is as follows：
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the signal level modular converter circuit connection diagram of the present invention.
Fig. 3 is the circuit connection diagram of gate inhibition's inductive detection module of the present invention.
In figure, 1 it is one-chip computer module, 2 is gate inhibition's inductive detection module, 3 is UART signal modular converter, 4 is power supply mould
Block, 5 be Voltage stabilizing module, 6 be signal level modular converter, 7 be device numbering setup module.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 to Figure 3；A kind of gate inhibition senses the radio transmission transducing device of detection, and it includes：One-chip computer module 1,
Gate inhibition's inductive detection module 2, UART signal modular converter 3, power module 4, Voltage stabilizing module 5, signal level modular converter 6, set
Standby numbering setup module 7；The one-chip computer module 1 is STM32 single-chip microcomputers；The one-chip computer module 1 includes 8 GPIO interfaces
K12。
The power interface K11 of the one-chip computer module 1 is connected with the first output end K41 of the power module 4；The electricity
Second output end K42 of source module 4 is connected with the input K51 of the Voltage stabilizing module 5；Externally fed is given by power module 4
One-chip computer module 1, gate inhibition's inductive detection module 2, Voltage stabilizing module 5, signal level modular converter 6, device numbering setup module 7 supply
Electricity, power supply size are 5V dc sources.
Wherein, externally fed can use the mode of wired power supply, can also use battery powered mode.Externally fed
5V DC voltages be connected to the output interface of power module 4.The Voltage stabilizing module 5 includes TCP voltage-stabilized power supplies, the TCP
Voltage-stabilized power supply size is 3.3V dc source.TCP voltage of voltage regulation 3.3V is connected to the output interface of Voltage stabilizing module 5.
The UART2 interfaces K13 of the one-chip computer module 1 is connected with the interface K21 of gate inhibition's inductive detection module 2；
The UART1 interfaces K14 of the one-chip computer module 1 is connected with the input K61 of the signal level modular converter 6；
The output end K62 of the signal level modular converter 6 and the UART signal modular converter 3 input K32 connect
Connect；
The power interface K31 of the UART signal modular converter 3 is connected with the output end K52 of the Voltage stabilizing module 5；Electricity
Source module 4 provides power supply to Voltage stabilizing module 5 and powered after decompression to UART signal modular converter 3；Voltage swing after decompression
For 3.3V dc sources.
The GPIO interface K12 of the one-chip computer module 1 is connected with the output end K71 of the device numbering setup module 7；
By the device numbering set in device numbering setup module 7, the different switching in same network can be distinguished from the background
The signal of device transmission.
Signal level modular converter is made up of components such as a series of resistance and triodes.The signal level modular converter
6 include the first change-over circuit, the second change-over circuit, the 3rd change-over circuit, the 4th change-over circuit；
MOD_TXD in first change-over circuit is connected with the signaling interface of the UART signal modular converter 3；First conversion
MCU_RX in circuit is connected with the signaling interface of the one-chip computer module 1；
MOD_RXD in second change-over circuit is connected with the signaling interface of the UART signal modular converter 3；Second conversion
MCU_TX in circuit is connected with the signaling interface of the one-chip computer module 1；
MOD_CFG in 3rd change-over circuit is connected with the signaling interface of the UART signal modular converter 3；3rd conversion
MCU_CFG in circuit is connected with the signaling interface of the one-chip computer module 1；
MOD_RST in 4th change-over circuit is connected with the signaling interface of the UART signal modular converter 3；4th conversion
MCU_RST in circuit is connected with the signaling interface of the one-chip computer module 1.
The operation principle of signal level modular converter 6, when the MOD_TXD interfaces in the first change-over circuit are high level,
First triode Q3 ends, and the second triode Q1 base stage is high level, and the second triode Q1 ends, now the first change-over circuit
In MCU_RX interfaces be 5V high level；
When the MOD_TXD interfaces in the first change-over circuit are low level, the first triode Q3 conductings, the second triode Q1
Base stage be low level, the second triode Q1 conductings, now the MCU_RX interfaces in the first change-over circuit are low level.
When the MCU_TX interfaces in the second change-over circuit are high level, the 3rd triode Q4 cut-offs, the 4th triode Q2
Base stage be high level, the 4th triode Q2 cut-offs, now the MOD_RXD interfaces in the second change-over circuit are 3.3V high level；
When the MCU_TX interfaces in the second change-over circuit are low level, the 3rd triode Q4 conductings, the 4th triode Q2
Base stage be low level, the 4th triode Q2 conductings, now the MOD_RXD interfaces in the second change-over circuit are low level.
Similarly, when the MCU_CFG interfaces in the 3rd change-over circuit are high level, the 5th triode Q7 cut-offs, the six or three
Pole pipe Q5 base stage is high level, and the 6th triode Q5 cut-offs, now the MOD_CFG interfaces in the 3rd change-over circuit are 3.3V
High level；
When the MCU_CFG interfaces in the 3rd change-over circuit are low level, the 5th triode Q7 conductings, the 6th triode Q5
Base stage be low level, the 6th triode Q5 conductings, now the MOD_CFG interfaces in the 3rd change-over circuit are low level.
Similarly, when the MCU_RST interfaces in the 4th change-over circuit are high level, the 7th triode Q8 cut-offs, the eight or three
Pole pipe Q6 base stage is high level, and the 8th triode Q6 cut-offs, now the MOD_RST interfaces in the 4th change-over circuit are 3.3V
High level；
When the MCU_RST interfaces in the 4th change-over circuit are low level, the 7th triode Q8 conductings, the 8th triode Q6
Base stage be low level, the 8th triode Q6 conductings, now the MOD_RST interfaces in the 4th change-over circuit are low level.
Embodiment 1, the data-signal that gate inhibition's inductive detection module detects is converted into being transmitted across for WIFI wireless signals
Journey.
First, the magnetic field signal detected is converted to UART signal and by single-chip microcomputer mould by gate inhibition's inductive detection module 2
The UART2 interfaces of block 1 are transferred to one-chip computer module 1 and operation are encrypted.
Secondly, one-chip computer module 1 transmits the UART signal after encryption by the UART1 interfaces K14 of one-chip computer module 1
Level conversion operation is carried out to signal level modular converter 6.
Finally, the UART signal after level conversion is transferred to UART by signal level modular converter 6 by output end K62
Signal conversion module 3.UART signal modular converter 3 will be converted to WIFI letters by encrypting with the UART signals after level conversion
Number, and sent by way of TCP/IP data frames to background server.
The circuit connection of gate inhibition's inductive detection module 2 is as follows：One socket of induction module P6 connections, the socket connect
An open type magnetic induction module is connect, the open type induction module is off-state when nearby magnetic field be present, if magnetic is not present
, then it is on-state.Open type induction module is arranged on doorframe, and magnet is mounted on a door, the open type magnetic induction mould
Block is used cooperatively with magnet.
The induction module P6 also includes first interface and second interface；The first interface is connected with supply voltage,
Access 5V supply voltages；The second interface and resistance are that 1k current-limiting resistance R46 be connected, the current-limiting resistance R46 other end and
Optical coupling module U8 first interface connection；Optical coupling module U8 second interfaces are grounded respectively with the 3rd interface；The optical coupling module U8
The 4th interface and resistance be 1K first resistor R44 be connected, the first resistor R44 other end and the one-chip computer module 1
GPIO interface K13 connections.The optical coupling module U8 uses TLP 521-1 electronic components.
When door is closed, open type magnetic induction module is off-state, and now optical coupling module U8 is not turned on, single
The GPIO interface of piece machine module 1 is high level；When door is in open mode, open type magnetic induction module is on-state, light
Coupling module U8 is turned on, and the GPIO interface of one-chip computer module 1 is low level.
Embodiment 2, the data-signal that gate inhibition's inductive detection module detects is converted to the transmission of ZigBee wireless signals
Process.
First, the magnetic field signal detected is converted to UART signal and by single-chip microcomputer mould by gate inhibition's inductive detection module 2
The UART2 interfaces of block 1 are transferred to one-chip computer module 1 and operation are encrypted.
Secondly, one-chip computer module 1 transmits the UART signal after encryption by the UART1 interfaces K14 of one-chip computer module 1
Level conversion operation is carried out to signal level modular converter 6.
Finally, the UART signal after level conversion is transferred to UART by signal level modular converter 6 by output end K62
Signal conversion module 3.UART signal modular converter 3 will be converted to ZigBee by encrypting with the UART signals after level conversion
Signal, and sent by way of TCP/IP data frames to background server.
The circuit connection of gate inhibition's inductive detection module 2 is as follows：One socket of induction module P6 connections, the socket connect
An open type magnetic induction module is connect, the open type induction module is off-state when nearby magnetic field be present, if magnetic is not present
, then it is on-state.Open type induction module is arranged on doorframe, and magnet is mounted on a door, the open type magnetic induction mould
Block is used cooperatively with magnet.
The induction module P6 also includes first interface and second interface；The first interface is connected with supply voltage,
Access 5V supply voltages；The second interface and resistance are that 1k current-limiting resistance R46 be connected, the current-limiting resistance R46 other end and
Optical coupling module U8 first interface connection；Optical coupling module U8 second interfaces are grounded respectively with the 3rd interface；The optical coupling module U8
The 4th interface and resistance be 1K first resistor R44 be connected, the first resistor R44 other end and the one-chip computer module 1
GPIO interface K13 connections.The optical coupling module U8 uses TLP 521-1 electronic components.
When door is closed, open type magnetic induction module is off-state, and now optical coupling module U8 is not turned on, single
The GPIO interface of piece machine module 1 is high level；When door is in open mode, open type magnetic induction module is on-state, light
Coupling module U8 is turned on, and the GPIO interface of one-chip computer module 1 is low level.
Embodiment 3, the data-signal that gate inhibition's inductive detection module detects is converted to the transmitting procedure of Bluetooth signal.
First, the magnetic field signal detected is converted to UART signal and by single-chip microcomputer mould by gate inhibition's inductive detection module 2
The UART2 interfaces of block 1 are transferred to one-chip computer module 1 and operation are encrypted.
Secondly, one-chip computer module 1 transmits the UART signal after encryption by the UART1 interfaces K14 of one-chip computer module 1
Level conversion operation is carried out to signal level modular converter 6.
Finally, the UART signal after level conversion is transferred to UART by signal level modular converter 6 by output end K62
Signal conversion module 3.UART signal modular converter 3 will be converted to bluetooth letter by encrypting with the UART signals after level conversion
Number, and sent by way of TCP/IP data frames to background server.
The circuit connection of gate inhibition's inductive detection module 2 is as follows：One socket of induction module P6 connections, the socket connect
An open type magnetic induction module is connect, the open type induction module is off-state when nearby magnetic field be present, if magnetic is not present
, then it is on-state.Open type induction module is arranged on doorframe, and magnet is mounted on a door, the open type magnetic induction mould
Block is used cooperatively with magnet.
The induction module P6 also includes first interface and second interface；The first interface is connected with supply voltage,
Access 5V supply voltages；The second interface and resistance are that 1k current-limiting resistance R46 be connected, the current-limiting resistance R46 other end and
Optical coupling module U8 first interface connection；Optical coupling module U8 second interfaces are grounded respectively with the 3rd interface；The optical coupling module U8
The 4th interface and resistance be 1K first resistor R44 be connected, the first resistor R44 other end and the one-chip computer module 1
GPIO interface K13 connections.The optical coupling module U8 uses TLP 521-1 electronic components.
When door is closed, open type magnetic induction module is off-state, and now optical coupling module U8 is not turned on, single
The GPIO interface of piece machine module 1 is high level；When door is in open mode, open type magnetic induction module is on-state, light
Coupling module U8 is turned on, and the GPIO interface of one-chip computer module 1 is low level.
It is of the invention by the data acquisition that gate inhibition's inductive detection module measures to monolithic by above-mentioned embodiment
Machine, it is encrypted by single-chip microcomputer, then UART signal is converted to WIFI, ZigBee or Bluetooth signal, passes through TCPIP numbers
Sent according to the mode of frame or serial data frame.The TCPIP data frames received or serial data frame are switched to simultaneously
After UART signal, by single-chip microcomputer decryption processing, corresponding operating is carried out further according to content.Realize gate inhibition and sense detection data
It is wirelessly transferred, and by the operation of enciphering and deciphering algorithm, ensure that data is not transparent transmission, and protection is served to data safety
Effect.
The device have the advantages that：
(1) wiring of complexity is no longer needed；Transmission range is greatly improved；
(2) data-signal that can detect gate inhibition's inductive detection module is converted into WIFI, ZigBee, bluetooth these nothings
Line signal is transmitted；
(3) modular design reduces production cost；
(4) encryption of data has ensured the safe and reliable of data.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Right among.
Claims (10)
1. a kind of gate inhibition senses the radio transmission transducing device of detection, it is characterised in that it includes：One-chip computer module (1), gate inhibition
Inductive detection module (2), UART signal modular converter (3), power module (4), Voltage stabilizing module (5), signal level modular converter
(6), device numbering setup module (7)；
The power interface K11 of the one-chip computer module (1) is connected with the first output end K41 of the power module (4)；The electricity
Second output end K42 of source module (4) is connected with the input K51 of the Voltage stabilizing module (5)；
The UART2 interfaces K13 of the one-chip computer module (1) is connected with the interface K21 of gate inhibition's inductive detection module (2)；
The UART1 interfaces K14 of the one-chip computer module (1) is connected with the input K61 of the signal level modular converter (6)；
The output end K62 of the signal level modular converter (6) and the input K32 of the UART signal modular converter (3) connect
Connect；
The power interface K31 of the UART signal modular converter (3) is connected with the output end K52 of the Voltage stabilizing module (5)；
The GPIO interface K12 of the one-chip computer module (1) is connected with the output end K71 of the device numbering setup module (7)；
The circuit connection of gate inhibition's inductive detection module (2) is as follows：One socket of induction module P6 connections, the socket connection
One open type magnetic induction module, the open type magnetic induction module are used cooperatively with magnet；
The induction module P6 also includes first interface and second interface；The first interface is connected with supply voltage；It is described
Second interface is connected with current-limiting resistance R46, and the current-limiting resistance R46 other ends are connected with optical coupling module U8 first interface；Optocoupler mould
Block U8 second interfaces are grounded respectively with the 3rd interface；After the 4th interface connection first resistor R44 of the optical coupling module U8, first
The resistance R44 other end is connected with the GPIO interface K 13 of the one-chip computer module (1).
2. gate inhibition as claimed in claim 1 senses the radio transmission transducing device of detection, it is characterised in that the UART signal turns
Mold changing block (3) includes：UART signal and WIFI signal are mutually changed, UART signal and ZigBee signals are mutually changed, UART believes
Number mutually changed with Bluetooth signal.
3. gate inhibition as claimed in claim 1 senses the radio transmission transducing device of detection, it is characterised in that the signal level turns
Mold changing block (6) includes the first change-over circuit, the second change-over circuit, the 3rd change-over circuit, the 4th change-over circuit；
MOD_TXD in first change-over circuit is connected with the signaling interface of the UART signal modular converter (3)；First conversion electricity
MCU_RX in road is connected with the signaling interface of the one-chip computer module (1)；
MOD_RXD in second change-over circuit is connected with the signaling interface of the UART signal modular converter (3)；Second conversion electricity
MCU_TX in road is connected with the signaling interface of the one-chip computer module (1)；
MOD_CFG in 3rd change-over circuit is connected with the signaling interface of the UART signal modular converter (3)；3rd conversion electricity
MCU_CFG in road is connected with the signaling interface of the one-chip computer module (1)；
MOD_RST in 4th change-over circuit is connected with the signaling interface of the UART signal modular converter (3)；4th conversion electricity
MCU_RST in road is connected with the signaling interface of the one-chip computer module (1).
4. gate inhibition as claimed in claim 3 senses the radio transmission transducing device of detection, it is characterised in that when the first change-over circuit
In MOD_TXD interfaces when being high level, the first triode Q3 cut-offs, the second triode Q1 base stage is high level, the two or three
Pole pipe Q1 ends, and now the MCU_RX interfaces in the first change-over circuit are 5V high level；
When the MOD_TXD interfaces in the first change-over circuit are low level, the first triode Q3 conductings, the second triode Q1 base
Extremely low level, the second triode Q1 conductings, now the MCU_RX interfaces in the first change-over circuit are low level.
5. gate inhibition as claimed in claim 3 senses the radio transmission transducing device of detection, it is characterised in that when the second change-over circuit
In MCU_TX interfaces when being high level, the 3rd triode Q4 cut-offs, the 4th triode Q2 base stage is high level, the four or three pole
Pipe Q2 ends, and now the MOD_RXD interfaces in the second change-over circuit are 3.3V high level；
When the MCU_TX interfaces in the second change-over circuit are low level, the 3rd triode Q4 conductings, the 4th triode Q2 base
Extremely low level, the 4th triode Q2 conductings, now the MOD_RXD interfaces in the second change-over circuit are low level.
6. gate inhibition as claimed in claim 3 senses the radio transmission transducing device of detection, it is characterised in that when the 3rd change-over circuit
In MCU_CFG interfaces when being high level, the 5th triode Q7 cut-offs, the 6th triode Q5 base stage is high level, the six or three
Pole pipe Q5 ends, and now the MOD_CFG interfaces in the 3rd change-over circuit are 3.3V high level；
When the MCU_CFG interfaces in the 3rd change-over circuit are low level, the 5th triode Q7 conductings, the 6th triode Q5 base
Extremely low level, the 6th triode Q5 conductings, now the MOD_CFG interfaces in the 3rd change-over circuit are low level.
7. gate inhibition as claimed in claim 3 senses the radio transmission transducing device of detection, it is characterised in that when the 4th change-over circuit
In MCU_RST interfaces when being high level, the 7th triode Q8 cut-offs, the 8th triode Q6 base stage is high level, the eight or three
Pole pipe Q6 ends, and now the MOD_RST interfaces in the 4th change-over circuit are 3.3V high level；
When the MCU_RST interfaces in the 4th change-over circuit are low level, the 7th triode Q8 conductings, the 8th triode Q6 base
Extremely low level, the 8th triode Q6 conductings, now the MOD_RST interfaces in the 4th change-over circuit are low level.
8. gate inhibition as claimed in claim 1 senses the radio transmission transducing device of detection, it is characterised in that the power module
(4) it is power supply that size is 5V direct currents, the Voltage stabilizing module (5) includes TCP voltage-stabilized power supplies, the TCP voltage-stabilized power supplies size
For 3.3V dc source.
9. gate inhibition as claimed in claim 8 senses the radio transmission transducing device of detection, it is characterised in that the power module
(4) power supply mode includes wired power supply, battery powered.
10. gate inhibition as claimed in claim 1 senses the radio transmission transducing device of detection, it is characterised in that the single-chip microcomputer mould
Block (1) is STM32 single-chip microcomputers；The optical coupling module U8 is TLP 521-1；The one-chip computer module (1) includes 8 GPIO and connect
Mouth K12.
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