CN207410344U - A kind of contactless device detects identification device - Google Patents
A kind of contactless device detects identification device Download PDFInfo
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- CN207410344U CN207410344U CN201721012692.7U CN201721012692U CN207410344U CN 207410344 U CN207410344 U CN 207410344U CN 201721012692 U CN201721012692 U CN 201721012692U CN 207410344 U CN207410344 U CN 207410344U
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Abstract
The utility model discloses a kind of contactless devices to detect identification device, belong to intelligent agricultural machinery technical field, including agricultural machinery host, several equipment RFID modules, central server and user mobile phone, solves the technical issues of host is wirelessly identified different equipments；The utility model breaks through the installation wiring limitation on physical environment, realize wireless communication, effective distance 5m or so, very easily realize large-scale integrated, the peripheral hardware quantity that a set of host can dock simultaneously is almost unrestricted, can realize high speed data transfer, theoretical highest air transfer rate is up to 1Mbps, strong antijamming capability can effectively avoid conventional communication mode breaking short-circuit risks caused by circuit squeezes, while inside uses automatic frequency adjustment technology to prevent co-channel interference.
Description
Technical field
The utility model belongs to intelligent agricultural machinery technical field, more particularly to a kind of contactless device detection identification device.
Background technology
Modern society's Internet of Things has been spread among our daily life and industrial production, usually has such field
Scape, same set of agricultural machinery host equipment need to connect different ancillary equipments（Referred to as " peripheral hardware "）.We just need solution pair at this time
The detection and identification of peripheral hardware.What so-called " detection " referred to is exactly the presence or absence of host test peripheral hardware, what " identification " referred to is exactly host for
The definition of peripheral type.
Utility model content
The purpose of this utility model is to provide a kind of contactless device detection identification device, solve host pass through it is wireless
The technical issues of different equipments is identified in mode.
To achieve the above object, the utility model uses following technical scheme：
A kind of contactless device detects identification device, including agricultural machinery host, several equipment RFID modules, central server
And user mobile phone, all equipment RFID modules by RFID signal and agricultural machinery main-machine communication, agricultural machinery host by GSM signals with
Central server communicates, and central server is communicated by GPRS network with user mobile phone；
Agricultural machinery host includes master controller, RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement
Circuit, gsm module, external power interface circuit, power module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps, outside
Portion's warning lamp drive circuit, the first TVS chips, the 2nd TVS chips and external warning lamp interface, RFID antenna interface connect respectively
RFID chip and the 2nd TVS chips, Beidou antenna connect antenna measurement circuit and big dipper module, RFID chip, Big Dipper mould respectively
Block, gsm module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps and external warn lamp drive circuit and main control
Device connects, and outside warning lamp drive circuit connects external warning lamp interface and the first TVS chips respectively；
The external power interface circuit connects power module, and power module provides positive supply, and power module is main control
Device, RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement circuit, gsm module, buzzer, internal north
Struggle against warning lamp, inside GSM warning lamps, the first TVS chips and the 2nd TVS chip power supplies.
The model of the first TVS chips and the 2nd TVS chips is PGB1010603；The main control chip is
LPC microcontrollers；The internal Big Dipper warning lamp and the internal GSM warning lamps are LED diodes.
The antenna measurement circuit includes out of circuit test circuit and open test circuit, and out of circuit test circuit includes resistance
R3, resistance R5, resistance R6, resistance R4, resistance R7, diode D2, resistance R12, triode Q1 and triode Q2, triode emission
Pole connects the positive supply, and the Beidou antenna connects the positive supply, three poles with resistance R3 by the resistance R5 being connected in series
The base stage of pipe Q1 by the collector of resistance R4 connecting triodes Q4, the base stage of triode Q4 by the resistance R6 that is connected in series and
The resistance R3 connections positive supply, the collector of triode Q4 by the cathode of resistance R7 connection diodes D2, diode D2's
Anode passes through the resistance R12 connections master controller, the emitter connection ground wire of triode Q4；
Open test circuit includes resistance R1, resistance R2, triode Q2, triode Q3, resistance R10, resistance R11, resistance
R8, diode D1 and resistance R9, the emitter of triode Q2 by the collector of resistance R2 connecting triodes Q1, triode Q2's
The base stage of base stage connecting triode Q3, the collector of triode Q2 is by resistance R10 connection ground wires, and the collector of triode Q2 is also
The base stage of connecting triode Q2, the emitter of triode Q2 connect the Big Dipper day with resistance R1 by the resistance R2 being connected in series
Line, the emitter of triode Q3 connect the Beidou antenna, and the collector of triode Q3 passes through resistance R11 connection ground wires, three poles
For the collector of pipe Q3 also by the cathode of resistance R8 connection diodes D1, the anode of diode D1 passes through the resistance R9 connections master
Controller.
The external warning lamp drive circuit include resistance R48, resistance R49, resistance R50, resistance R51, triode Q12 and
The external lamp for being used to warn the gsm module of collector connection of triode Q13, triode Q12, the relay of triode Q13
Connection is external for warning the lamp of the big dipper module, the base stage of triode Q12 by the resistance R48 connections master controller,
The base stage of triode Q13 passes through the resistance R50 connections master controller.
The external power interface circuit includes inductance L13, diode D11, fuse F4, diode D10, filter circuit
C33 and filter capacitor C34, one end of external power supply connection inductance L13, the other end of inductance L13 connect two poles by fuse
The anode of pipe D10, the cathode of diode D10 connect the power module, and external power supply is also connected with the cathode of diode D11, and two
The anode connection ground wire of pole pipe D11, filter circuit C33 and filter capacitor C34 are connected in parallel on the cathode of diode D10.
A kind of contactless device detection identification device described in the utility model, it is wirelessly right to solve host
The technical issues of different equipments is identified；The utility model breaks through the installation wiring limitation on physical environment, realizes wireless
Communication, effective distance 5m or so, very easily realize large-scale integrated, the peripheral hardware quantity that a set of host can dock simultaneously is several
It is unrestricted, it can realize high speed data transfer, for theoretical highest air transfer rate up to 1Mbps, strong antijamming capability can
Effectively avoid conventional communication mode breaking short-circuit risks caused by circuit squeezes, at the same it is internal use automatic frequency adjustment technology with
Prevent co-channel interference.
Description of the drawings
Fig. 1 is the system principle block diagram of the utility model；
Fig. 2 is the schematic diagram block diagram of the agricultural machinery host of the utility model；
Fig. 3 is the schematic diagram of the antenna measurement circuit of the utility model；
Fig. 4 is the schematic diagram of the external warning lamp drive circuit of the utility model；
Fig. 5 is the schematic diagram of the external power interface circuit of the utility model.
Specific embodiment
A kind of contactless device detection identification device as Figure 1-Figure 5, including agricultural machinery host, several equipment RFID
Module, central server and user mobile phone, all equipment RFID modules pass through RFID signal and agricultural machinery main-machine communication, agricultural machinery master
Machine is communicated by GSM signals with central server, and central server is communicated by GPRS network with user mobile phone；
Agricultural machinery host includes master controller, RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement
Circuit, gsm module, external power interface circuit, power module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps, outside
Portion's warning lamp drive circuit, the first TVS chips, the 2nd TVS chips and external warning lamp interface, RFID antenna interface connect respectively
RFID chip and the 2nd TVS chips, Beidou antenna connect antenna measurement circuit and big dipper module, RFID chip, Big Dipper mould respectively
Block, gsm module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps and external warn lamp drive circuit and main control
Device connects, and outside warning lamp drive circuit connects external warning lamp interface and the first TVS chips respectively；
The external power interface circuit connects power module, and power module provides positive supply, and power module is main control
Device, RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement circuit, gsm module, buzzer, internal north
Struggle against warning lamp, inside GSM warning lamps, the first TVS chips and the 2nd TVS chip power supplies.
The model of the first TVS chips and the 2nd TVS chips is PGB1010603；The main control chip is
LPC microcontrollers；The internal Big Dipper warning lamp and the internal GSM warning lamps are LED diodes.
The antenna measurement circuit includes out of circuit test circuit and open test circuit, and out of circuit test circuit includes resistance
R3, resistance R5, resistance R6, resistance R4, resistance R7, diode D2, resistance R12, triode Q1 and triode Q2, triode emission
Pole connects the positive supply, and the Beidou antenna connects the positive supply, three poles with resistance R3 by the resistance R5 being connected in series
The base stage of pipe Q1 by the collector of resistance R4 connecting triodes Q4, the base stage of triode Q4 by the resistance R6 that is connected in series and
The resistance R3 connections positive supply, the collector of triode Q4 by the cathode of resistance R7 connection diodes D2, diode D2's
Anode passes through the resistance R12 connections master controller, the emitter connection ground wire of triode Q4；
Open test circuit includes resistance R1, resistance R2, triode Q2, triode Q3, resistance R10, resistance R11, resistance
R8, diode D1 and resistance R9, the emitter of triode Q2 by the collector of resistance R2 connecting triodes Q1, triode Q2's
The base stage of base stage connecting triode Q3, the collector of triode Q2 is by resistance R10 connection ground wires, and the collector of triode Q2 is also
The base stage of connecting triode Q2, the emitter of triode Q2 connect the Big Dipper day with resistance R1 by the resistance R2 being connected in series
Line, the emitter of triode Q3 connect the Beidou antenna, and the collector of triode Q3 passes through resistance R11 connection ground wires, three poles
For the collector of pipe Q3 also by the cathode of resistance R8 connection diodes D1, the anode of diode D1 passes through the resistance R9 connections master
Controller.
When Beidou antenna is opened a way, the anode output high level signal of diode D1, the anode of diode D2 exports low electricity
Ordinary mail number；When Beidou antenna short circuit, the anode output low level signal of diode D1, the anode output high level of diode D2
Signal；When Beidou antenna is normal, the anode output low level signal of diode D1, the anode output low level letter of diode D2
Number；The antenna measurement circuit can effectively before use just test Beidou antenna, it is ensured that Beidou antenna receives letter
It is number unimpeded.
The external warning lamp drive circuit include resistance R48, resistance R49, resistance R50, resistance R51, triode Q12 and
The external lamp for being used to warn the gsm module of collector connection of triode Q13, triode Q12, the relay of triode Q13
Connection is external for warning the lamp of the big dipper module, the base stage of triode Q12 by the resistance R48 connections master controller,
The base stage of triode Q13 passes through the resistance R50 connections master controller.
The utility model sets internal Big Dipper warning lamp and inside GSM warning lamps on agricultural machinery host, while in agricultural machinery
Big Dipper warning lamp and outside GSM warning lamps outside upper setting, internal Big Dipper warning lamp and external Big Dipper warning lamp are used to prompt
Whether big dipper module works normally, and internal GSM warning lamps and outside GSM warning lamps are used to the prompting whether normal work of gsm module
Make, since agricultural machinery is larger, when starting agricultural machinery, driver has no time to watch the inside Big Dipper warning lamp and inside GSM on agricultural machinery host
Warning lamp, it is therefore necessary to more eye-catching external Big Dipper warning lamp and outside GSM warning lamps, the external Big Dipper are set on agricultural machinery
Warning lamp and outside GSM warning lamps use LED bulb, and if only set, external Big Dipper warning lamp and outside GSM are warned
Lamp if problematic be not easy to judge to be lamp damage or equipment damage, therefore sets internal Big Dipper warning lamp on agricultural machinery host
It is used to prompt whether equipment is damaged with internal GSM warning lamps.
The external power interface circuit includes inductance L13, diode D11, fuse F4, diode D10, filter circuit
C33 and filter capacitor C34, one end of external power supply connection inductance L13, the other end of inductance L13 connect two poles by fuse
The anode of pipe D10, the cathode of diode D10 connect the power module, and external power supply is also connected with the cathode of diode D11, and two
The anode connection ground wire of pole pipe D11, filter circuit C33 and filter capacitor C34 are connected in parallel on the cathode of diode D10.
In use, the front of each agricultural machinery can install agricultural machinery host, at each with a variety of equipments of carry on agricultural machinery
An equipment RFID module is respectively mounted on equipment, after equipment is mounted on agricultural machinery, agricultural machinery host passes through reading appliance RFID module
In data, you can the type of the equipment of automatic identification carry, and pass through gsm module phase central server send carry equipment
Type, the type of equipment is sent to user mobile phone, checked for user by central server.
A kind of contactless device detection identification device described in the utility model, it is wirelessly right to solve host
The technical issues of different equipments is identified；The utility model breaks through the installation wiring limitation on physical environment, realizes wireless
Communication, effective distance 5m or so, very easily realize large-scale integrated, the peripheral hardware quantity that a set of host can dock simultaneously is several
It is unrestricted, it can realize high speed data transfer, for theoretical highest air transfer rate up to 1Mbps, strong antijamming capability can
Effectively avoid conventional communication mode breaking short-circuit risks caused by circuit squeezes, at the same it is internal use automatic frequency adjustment technology with
Prevent co-channel interference.
Claims (5)
1. a kind of contactless device detects identification device, it is characterised in that：Including agricultural machinery host, several equipment RFID modules,
Central server and user mobile phone, by RFID signal and agricultural machinery main-machine communication, agricultural machinery host leads to all equipment RFID modules
It crosses GSM signals to communicate with central server, central server is communicated by GPRS network with user mobile phone；
Agricultural machinery host includes master controller, RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement electricity
Road, gsm module, external power interface circuit, power module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps, outside
Lamp drive circuit, the first TVS chips, the 2nd TVS chips and external warning lamp interface, RFID antenna interface is warned to connect respectively
RFID chip and the 2nd TVS chips, Beidou antenna connect antenna measurement circuit and big dipper module, RFID chip, Big Dipper mould respectively
Block, gsm module, buzzer, internal Big Dipper warning lamp, inside GSM warning lamps and external warn lamp drive circuit and main control
Device connects, and outside warning lamp drive circuit connects external warning lamp interface and the first TVS chips respectively；
The external power interface circuit connects power module, and power module provides positive supply, power module is master controller,
RFID chip, RFID antenna interface, Beidou antenna, big dipper module, antenna measurement circuit, gsm module, buzzer, the internal Big Dipper
Warning lamp, inside GSM warning lamps, the first TVS chips and the 2nd TVS chip power supplies.
2. a kind of contactless device detection identification device as described in claim 1, it is characterised in that：The first TVS cores
The model of piece and the 2nd TVS chips is PGB1010603；The main control chip is LPC microcontrollers；The internal Big Dipper
Warning lamp and the internal GSM warning lamps are LED diodes.
3. a kind of contactless device detection identification device as described in claim 1, it is characterised in that：The antenna measurement electricity
Road include out of circuit test circuit and open test circuit, out of circuit test circuit include resistance R3, resistance R5, resistance R6, resistance R4,
Resistance R7, diode D2, resistance R12, triode Q1 and triode Q2, transistor emitter connect the positive supply, the north
Bucket antenna connects the positive supply with resistance R3 by the resistance R5 being connected in series, and the base stage of triode Q1 is connected by resistance R4
The collector of triode Q4, the base stage of triode Q4 connect the positive supply with resistance R3 by the resistance R6 being connected in series, and three
The collector of pole pipe Q4 is passed through by the cathode of resistance R7 connection diodes D2, the anode of diode D2 described in resistance R12 connections
Master controller, the emitter connection ground wire of triode Q4；
Open test circuit includes resistance R1, resistance R2, triode Q2, triode Q3, resistance R10, resistance R11, resistance R8, two
The emitter of pole pipe D1 and resistance R9, triode Q2 pass through the collector of resistance R2 connecting triodes Q1, the base stage of triode Q2
The base stage of connecting triode Q3, by resistance R10 connection ground wires, the collector of triode Q2 is also connected with the collector of triode Q2
The base stage of triode Q2, the emitter of triode Q2 connect the Beidou antenna by the resistance R2 being connected in series with resistance R1,
The emitter of triode Q3 connects the Beidou antenna, and the collector of triode Q3 passes through resistance R11 connection ground wires, triode Q3
Collector also by the cathode of resistance R8 connection diodes D1, the anode of diode D1 passes through the resistance R9 connections main control
Device.
4. a kind of contactless device detection identification device as described in claim 1, it is characterised in that：The external warning lamp
Driving circuit includes resistance R48, resistance R49, resistance R50, resistance R51, triode Q12 and triode Q13, triode Q12's
Collector connection is external for warning the lamp of the gsm module, and the relay of triode Q13 connects outside for warning the north
The lamp for the module that struggles against, for the base stage of triode Q12 by the resistance R48 connections master controller, the base stage of triode Q13 passes through resistance
The R50 connections master controller.
5. a kind of contactless device detection identification device as described in claim 1, it is characterised in that：The external power supply connects
Mouth circuit includes inductance L13, diode D11, fuse F4, diode D10, filter circuit C33 and filter capacitor C34, external
One end of power supply connection inductance L13, the other end of inductance L13 connect the anode of diode D10, diode D10 by fuse
Cathode connect the power module, external power supply is also connected with the cathode of diode D11, the anode connection ground wire of diode D11,
Filter circuit C33 and filter capacitor C34 are connected in parallel on the cathode of diode D10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012692.7U CN207410344U (en) | 2017-08-14 | 2017-08-14 | A kind of contactless device detects identification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012692.7U CN207410344U (en) | 2017-08-14 | 2017-08-14 | A kind of contactless device detects identification device |
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| CN207410344U true CN207410344U (en) | 2018-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109615282A (en) * | 2019-01-31 | 2019-04-12 | 西南大学 | A kind of intelligent movable farm machinery management system based on big data |
-
2017
- 2017-08-14 CN CN201721012692.7U patent/CN207410344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109615282A (en) * | 2019-01-31 | 2019-04-12 | 西南大学 | A kind of intelligent movable farm machinery management system based on big data |
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