CN207602026U - A kind of low-power consumption instrument digital transmission module based on multimode communication - Google Patents
A kind of low-power consumption instrument digital transmission module based on multimode communication Download PDFInfo
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- CN207602026U CN207602026U CN201721469324.5U CN201721469324U CN207602026U CN 207602026 U CN207602026 U CN 207602026U CN 201721469324 U CN201721469324 U CN 201721469324U CN 207602026 U CN207602026 U CN 207602026U
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Abstract
The utility model is related to a kind of low-power consumption instrument digital transmission modules based on multimode communication, including central processing unit, push-button unit, multimode unification mobile data transfer unit, status indicator lamp unit, communication interface and the power supply unit for providing for entire digital transmission module operating voltage, push-button unit, multimode unify mobile data transfer unit, status indicator lamp unit and communication interface and are connected respectively with central processing unit.Current network state can be read by Current communications interface in the utility model, if being currently low power consumption network state, is preferentially attached using low power consumption network, is otherwise attached using GPRS network.The technical program is by network judgment mechanism, it can be achieved that the switching of heterogeneous networks, ensures the stability of network connection, so that it is guaranteed that instrumented data distant communication is smoothed out, while preferential selection low power consumption network is attached, and achievees the purpose that low-power consumption.
Description
Technical field
The utility model is related to a kind of digital transmission modules more particularly to a kind of low-power consumption instrument number based on multimode communication to pass mould
Block.
Background technology
Digital transmission module can help the data remote of each independent instrument and meter to communicate, and may finally be entered internet, into
And user is helped to complete relevant data acquisition, analysis and management.Current existing digital transmission module, generally using zigbee, bluetooth,
The local area network technologies such as wifi, Z-Wave, small wireless 433, therefore the application requirement of long transmission distance can not be met, it is set Ru public
It applies, go in a big way warehouse, intelligence manufacture etc.；And the low-power consumption wan technology such as LoRa, SIGFOX works in unauthorized channel, exists
The problems such as spectral interference and safety；And GPRS long interconnection techniques, power consumption are high, and peak period operator base station usually because
Pressure communication is big and leads to jitter, the regions GPRS such as basement because penetration capacity it is weak can caused by cannot communicate.
Invention content
In order to solve the above-mentioned technical problem the utility model, is provided a kind of low-power consumption instrument number communicated based on multimode and passes mould
Block, multimode unification, can automatically switch to signal-stabilized communication mode according to cellular network situation, ensure the stabilization of communication
Property, so that it is guaranteed that instrumented data distant communication is smoothed out, while can preferentially select the communication network of low-power consumption, reach low work(
Consume the purpose of operation.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals：The utility model packet
It includes central processing unit, push-button unit, multimode unification mobile data transfer unit, status indicator lamp unit, communication interface and is
Entire digital transmission module provides the power supply unit of operating voltage, push-button unit, multimode unification mobile data transfer unit, state instruction
Lamp unit and communication interface are connected respectively with the central processing unit.User can by various communication interfaces, as USART,
This digital transmission module with instrument is connected, then passes through simple application protocol, it is possible to wake up by the communication interfaces such as I2C, SPI
Multimode unifies mobile data transfer unit, and current network state then can be read by Current communications interface, if being currently low work(
Network state is consumed, i.e. NB-IOT networks or eMTC networks is normal, then is preferentially attached using low power consumption network, otherwise uses
GPRS network is attached.The technical program is by network judgment mechanism, it can be achieved that the switching of heterogeneous networks, ensures network connection
Stability, so that it is guaranteed that instrumented data distant communication is smoothed out, while preferential selection low power consumption network is attached, and is reached
To the purpose of low-power consumption.
Preferably, the central processing unit includes microcontroller U1, microcontroller U1 uses STM32L052C8 monolithics
Machine；The push-button unit includes button S1, and the status indicator lamp unit includes light emitting diode D2 and light emitting diode
D3；The 2 feet ground connection of button S1,1 foot of button S1 are connected all the way with 5 feet of microcontroller U1, and another way is grounded through capacitance C21, also
Have and meet voltage AVCC/DVCC through resistance R17 all the way；The anode of light emitting diode D2 and light emitting diode D3 meet voltage AVCC/
The cathode of DVCC, light emitting diode D2 are connected through resistance R21 with 27 feet of microcontroller U1, and the cathode of light emitting diode D3 is through resistance
R22 is connected with 26 feet of microcontroller U1, and crystal oscillator X, 3 feet, 4 feet point of microcontroller U1 are connected between 3 feet and 4 feet of microcontroller U1
It is not grounded through capacitance C25, capacitance C28, the 7 foot meridian capacitor C24 of microcontroller U1 ground connection, 8 feet of microcontroller U1,23 feet, 35 feet, 44
Foot and 47 feet ground connection, 9 feet, 24 feet, 36 feet and 48 feet of microcontroller U1 connect voltage AVCC/DVCC, 41 feet of microcontroller U1,39
Foot, 20 feet, 21 feet, 22 feet and 42 feet are connected respectively with the multimode unification mobile data transfer unit.Circuit is simple, realizes
Convenient, performance is stablized.When user's click keys, the high level signal of script keystroke interface is pulled low into low level signal, single
Piece machine examination measures logic judgment and the processing that the low level signal is then networked.Central processing unit passes through I0 mouthfuls and each list
Member is connected, and is the control centre of digital transmission module, and main logic function is：Control multimode unification mobile data transfer unit
Networking behavior can be sent instruction by serial ports and unify mobile data transfer unit reading current network state from multimode, if working as
Preceding low power consumption network state, that is, NB-IoT networks or eMTC networks are normal, then it are allowed preferentially to carry out the company of the network by instruction
It connects, is otherwise connected by instructing using GPRS network.The 6PS timings of controllable multimode unification mobile data transfer unit are fixed simultaneously
Position logic function；The data of character format sended over to multimode unification mobile data transfer unit parse, and obtain
As a result it is sent to the main control unit of instrument with HEX forms, while to the HEX data that instrument main control unit sends over into line character
Then transcoding is unified mobile data transfer unit by multimode and is sent out.Status indicator lamp unit instruction communication state sum number passes mould
The working condition of block.
Preferably, the communication interface includes interface SPI, interface USART and interface I2C；1 foot of interface SPI connects
Ground, 6 feet of interface SPI meet voltage AVCC/DVCC, the foot of 2 feet of interface SPI~5 respectively with the foot phase of 14 feet of microcontroller U1~17
Even；The 4 feet ground connection of interface USART, 1 foot of interface USART meet voltage AVCC/DVCC, 2 feet of interface USART, 3 feet respectively and
30 feet, 31 feet of microcontroller U1 are connected；The 4 feet ground connection of interface I2C, 1 foot of interface I2C meet voltage AVCC/DVCC, interface I2C
2 feet, 3 feet are connected respectively with 32 feet of microcontroller U1,33 feet.
Preferably, the multimode unification mobile data transfer unit includes multimode unification mobile data transfer module U2
With SIM card unit, multimode unification mobile data transfer module U2 uses C1100 communication modules；Multimode unifies mobile data transfer
1 foot, 2 feet and 3 feet of module U2 meet voltage VBAT-C1100, and voltage VBAT-C1100 is connected with the cathode of diode ZD1, and two
The plus earth of pole pipe ZD1 is parallel with capacitance C12~capacitance C16, multimode unification mobile data transfer module on diode ZD1
4 feet, 6 feet, 15 feet, 20 feet, 21 feet, 31 feet, 43 feet, 44 feet, 46 feet, 52 feet, 54 feet, 60 feet, 61 feet, 63 feet, 64 feet of U2
And 73 foot be grounded, 9 feet of multimode unification mobile data transfer module U2 are connected through resistance R16 with 40 feet of microcontroller U1, more
12 feet of mould unification mobile data transfer module U2 are connected with one end of resistance R15, and the other end of resistance R15 is through level conversion electricity
Road is connected with 39 feet of microcontroller U1,5 feet of multimode unification mobile data transfer module U2,12 feet, 13 feet, 23 feet, 24 feet and
74 feet are connected respectively through level shifting circuit with 41 feet, 39 feet, 20 feet, 21 feet, 22 feet and 42 feet of microcontroller U1, multimode unification
53 feet, 62 feet of mobile data transfer module U2 are connected respectively with Global Satellite Navigation System antenna J1, primary antenna J2, and multimode is closed
The foot of 77 feet of one mobile data transfer module U2~80 is connected respectively with the SIM card unit.C1100 communication modules are a
EMTC/NB-IOT/GPRS wireless communication modules, it supports GPS positioning navigation Service simultaneously.The low-power consumption of C1100 communication modules,
High performance characteristics make it be particularly suitable for the wireless connection of internet-of-things terminal.C1100 communication modules can connect NB-IOT networks, eMTC
Network and GPRS network by judging current network state and status information is returned to central processing unit, allow central processing
The suitable network of Unit selection is networked.C1100 communication modules have both GPS module simultaneously, realize positioning function.
Preferably, the SIM card unit includes SIM card U3, SIM card U3 uses M2M SIM cards, 1 foot of SIM card U3
Ground connection, 2 feet and 3 feet of SIM card U3 are connected and are connected through resistance R5 with 78 feet of multimode unification mobile data transfer module U2,
2 feet of SIM card U3 are connected with one end of the cathode of voltage-stabiliser tube ESD3 and capacitance C7, and the anode of voltage-stabiliser tube ESD3 and capacitance C7's is another
One end is grounded, and resistance R3 is connected between 78 feet and 80 feet of multimode unification mobile data transfer module U2；Multimode unification movement
77 feet of data transmission module U2 are connected through resistance R4 with 6 feet of SIM card U3,6 feet of SIM card U3 and the cathode of voltage-stabiliser tube ESD6
And one end of capacitance C11 is connected, the anode of voltage-stabiliser tube ESD6 and the other end ground connection of capacitance C11；Multimode unification mobile data passes
79 feet of defeated module U2 are connected through resistance R6 with 7 feet of SIM card U3,7 feet of SIM card U3 and the cathode and capacitance of voltage-stabiliser tube ESD4
One end of C10 is connected, the anode of voltage-stabiliser tube ESD4 and the other end ground connection of capacitance C10；Multimode unifies mobile data transfer module
80 feet of U2 are connected with 8 feet of SIM card U3,8 feet of SIM card U3 and the cathode of voltage-stabiliser tube ESD5 and capacitance C8, capacitance C9 one
End is connected, the anode and capacitance C8 of voltage-stabiliser tube ESD5, the other end ground connection of capacitance C9.The technical program realizes digital transmission module volume
It minimizes.
Preferably, the level shifting circuit includes triode Q1~triode Q5；Multimode unification mobile data passes
5 feet of defeated module U2 are connected with the collector of triode Q3, the emitter ground connection of triode Q3, the base stage and monolithic of triode Q3
41 feet of machine U1 are connected；12 feet of multimode unification mobile data transfer module U2 are connected with the base stage of triode Q5, triode Q5
Emitter ground connection, the collector of triode Q5 not only met voltage AVCC/DVCC through resistance R14 again with the 39 foot phases of microcontroller U1
Even；74 feet of multimode unification mobile data transfer module U2 are connected with the collector of triode Q4, and the emitter of triode Q4 connects
Ground, the base stage of triode Q4 are connected with 42 feet of microcontroller U1；13 feet of multimode unification mobile data transfer module U2 are through resistance
R13 is connected with the base stage of triode Q2, the 24 foot phases of emitter and multimode unification mobile data transfer the module U2 of triode Q2
Even, the collector of triode Q2 meets voltage AVCC/DVCC through resistance R9 all the way, another way through resistance R8 and microcontroller U1 20
Foot is connected, and is also connected all the way with 22 feet of microcontroller U1；21 feet of microcontroller U1 are connected with the emitter of triode Q1, three poles
The base stage of pipe Q1 is connected with one end of resistance R12, and the other end of resistance R12 not only met voltage AVCC/DVCC but also through electricity through resistance R10
Resistance R11 is connected with 20 feet of microcontroller U1, and the collector of triode Q1 both unifies the 23 of mobile data transfer module U2 with multimode
Foot is connected and is connected through resistance R7 with 13 feet of multimode unification mobile data transfer module U2.
The beneficial effects of the utility model are：The characteristics of being unified using multimode unification mobile data transfer unit multimode, nothing
NB-IOT modules, eMTC modules, GPRS module and GPS module need to be separately provided, simplify circuit, improve reliability, also save into
This.By network judgment mechanism, it can be achieved that the switching of heterogeneous networks, ensure the stability of network, so that it is guaranteed that instrumented data is remote
Being smoothed out, while can preferentially select the communication network of low-power consumption for communication is passed, achievees the purpose that low power operation.
Description of the drawings
Fig. 1 is a kind of circuit theory connection block diagram of the utility model.
Fig. 2 be central processing unit in the utility model, push-button unit, status indicator lamp unit, communication interface one kind
Circuit diagram.
Fig. 3 is a kind of circuit diagram of level shifting circuit in the utility model.
Fig. 4, Fig. 5 are a kind of circuit diagrams of multimode unification mobile data transfer unit in the utility model.
1. central processing unit in figure, 2. push-button units, 3. multimodes unification mobile data transfer unit, 4. status indicator lamps
Unit, 5. communication interfaces, 6. power supply units.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：A kind of low-power consumption instrument digital transmission module based on multimode communication of the present embodiment, as shown in Figure 1, including
Central processing unit 1, push-button unit 2, multimode unification mobile data transfer unit 3, status indicator lamp unit 4,5 and of communication interface
The power supply unit 6 of operating voltage, push-button unit 2, multimode unification mobile data transfer unit 3, shape are provided for entire digital transmission module
State indicator unit 4 and communication interface 5 are connected respectively with central processing unit 1.
As shown in Fig. 2, central processing unit 1 includes microcontroller U1, microcontroller U1 uses STM32L052C8 microcontrollers；It presses
Key unit 2 includes button S1, and status indicator lamp unit 4 includes light emitting diode D2 and light emitting diode D3；Communication interface 5 includes
Interface SPI, interface USART and interface I2C.Button S1 2 feet ground connection, 1 foot of button S1, all the way with the 5 foot phases of microcontroller U1
Even, another way is grounded through capacitance C21, also meets voltage AVCC/DVCC through resistance R17 all the way；Light emitting diode D2 and luminous two
The anode of pole pipe D3 connects voltage AVCC/DVCC, 27 foot phases of the cathode through resistance R21 and microcontroller U1 of light emitting diode D2
Even, the cathode of light emitting diode D3 is connected with 26 feet of microcontroller U1 through resistance R22, is connected between 3 feet and 4 feet of microcontroller U1
There is crystal oscillator X, 3 feet, 4 feet of microcontroller U1 are grounded respectively through capacitance C25, capacitance C28, and the 7 foot meridian capacitor C24 of microcontroller U1 connect
Ground, 8 feet, 23 feet, 35 feet, 44 feet and the 47 feet ground connection of microcontroller U1,9 feet, 24 feet, 36 feet and 48 feet of microcontroller U1 connect voltage
41 feet, 39 feet, 20 feet, 21 feet, 22 feet and 42 feet of AVCC/DVCC, microcontroller U1 unify mobile data transfer with multimode respectively
Unit 3 is connected.The 1 foot ground connection of interface SPI, 6 feet of interface SPI meet voltage AVCC/DVCC, the foot difference of 2 feet of interface SPI~5
It is connected with the foot of 14 feet of microcontroller U1~17；The 4 feet ground connection of interface USART, 1 foot of interface USART meet voltage AVCC/DVCC,
2 feet, 3 feet of interface USART are connected respectively with 30 feet of microcontroller U1,31 feet；The 4 feet ground connection of interface I2C, 1 foot of interface I2C
Voltage AVCC/DVCC is met, 2 feet, 3 feet of interface I2C are connected respectively with 32 feet of microcontroller U1,33 feet.
As shown in Fig. 3, Fig. 4, Fig. 5, multimode unification mobile data transfer unit 3 includes multimode and unifies mobile data transfer mould
Block U2 and SIM card unit, multimode unification mobile data transfer module U2 use C1100 communication modules；SIM card unit includes SIM
Block U3, SIM card U3 uses M2M SIM cards.1 foot, 2 feet and 3 feet of multimode unification mobile data transfer module U2 connect voltage
VBAT-C1100, voltage VBAT-C1100 are connected with the cathode of diode ZD1, the plus earth of diode ZD1, diode ZD1
On be parallel with capacitance C12~capacitance C16,4 feet of multimode unification mobile data transfer module U2,6 feet, 15 feet, 20 feet, 21 feet,
31 feet, 43 feet, 44 feet, 46 feet, 52 feet, 54 feet, 60 feet, 61 feet, 63 feet, 64 feet and 73 feet are grounded, the mobile number of multimode unification
It is connected according to 9 feet of transmission module U2 through resistance R16 with 40 feet of microcontroller U1, the 12 of multimode unification mobile data transfer module U2
Foot is connected with one end of resistance R15, and the other end of resistance R15 is connected through level shifting circuit with 39 feet of microcontroller U1, multimode
Unify 5 feet, 12 feet, 13 feet, 23 feet, 24 feet and 74 feet of mobile data transfer module U2 respectively through level shifting circuit and monolithic
41 feet, 39 feet, 20 feet, 21 feet, 22 feet and 42 feet of machine U1 are connected, 53 feet of multimode unification mobile data transfer module U2,62
Foot is connected respectively with Global Satellite Navigation System antenna J1, primary antenna J2.The 1 foot ground connection of SIM card U3,2 feet of SIM card U3 and 3
Foot is connected and is connected through resistance R5 with 78 feet of multimode unification mobile data transfer module U2,2 feet and voltage-stabiliser tube of SIM card U3
The cathode of ESD3 and one end of capacitance C7 are connected, and the anode of voltage-stabiliser tube ESD3 and the other end ground connection of capacitance C7, multimode unification move
Resistance R3 is connected between 78 feet and 80 feet of dynamic data transmission module U2；77 feet of multimode unification mobile data transfer module U2
It is connected through resistance R4 with 6 feet of SIM card U3,6 feet of SIM card U3 are connected with one end of the cathode of voltage-stabiliser tube ESD6 and capacitance C11,
The anode of voltage-stabiliser tube ESD6 and the other end ground connection of capacitance C11；79 feet of multimode unification mobile data transfer module U2 are through resistance
R6 is connected with 7 feet of SIM card U3, and 7 feet of SIM card U3 are connected with one end of the cathode of voltage-stabiliser tube ESD4 and capacitance C10, voltage-stabiliser tube
The anode of ESD4 and the other end ground connection of capacitance C10；80 feet of multimode unification mobile data transfer module U2 and the 8 of SIM card U3
Foot is connected, and 8 feet of SIM card U3 are connected with the cathode of voltage-stabiliser tube ESD5 and capacitance C8, one end of capacitance C9, and voltage-stabiliser tube ESD5 is just
Pole and capacitance C8, the other end ground connection of capacitance C9.
Level shifting circuit includes triode Q1~triode Q5；5 feet of multimode unification mobile data transfer module U2 and
The collector of triode Q3 is connected, and the emitter ground connection of triode Q3, the base stage of triode Q3 is connected with 41 feet of microcontroller U1；
12 feet of multimode unification mobile data transfer module U2 are connected with the base stage of triode Q5, the emitter ground connection of triode Q5, and three
The collector of pole pipe Q5 had not only met voltage AVCC/DVCC through resistance R14 but also had been connected with 39 feet of microcontroller U1；The mobile number of multimode unification
It is connected according to 74 feet of transmission module U2 with the collector of triode Q4, the emitter ground connection of triode Q4, the base stage of triode Q4
It is connected with 42 feet of microcontroller U1；Base of 13 feet through resistance R13 and triode Q2 of multimode unification mobile data transfer module U2
Extremely it is connected, the emitter of triode Q2 is connected with 24 feet of multimode unification mobile data transfer module U2, the current collection of triode Q2
Pole meets voltage AVCC/DVCC through resistance R9 all the way, and another way is connected through resistance R8 with 20 feet of microcontroller U1, also all the way and
22 feet of microcontroller U1 are connected；21 feet of microcontroller U1 are connected with the emitter of triode Q1, the base stage and resistance of triode Q1
One end of R12 is connected, and the other end of resistance R12 had not only met voltage AVCC/DVCC but also through resistance R11 and microcontroller U1 through resistance R10
20 feet be connected, 23 feet of the collector of triode Q1 not only with multimode unification mobile data transfer module U2 are connected but also through resistance R7
It is connected with 13 feet of multimode unification mobile data transfer module U2.
In use, pushing button, central processing unit detects that waking up multimode unification during the trigger signal of button first moves
Then dynamic data transmission unit reads current network state from multimode unification mobile data transfer unit, if current low-power consumption net
Network state, that is, NB-IOT networks or eMTC networks are normal, then are preferentially attached using the network, are otherwise connected using GPRS network
It connects, after network connection, the data of character format that microcontroller sends over multimode unification mobile data transfer unit solve
Analysis, obtained result are sent to the main control unit of instrument with HEX forms, while to HEX numbers that instrument main control unit sends over
According into line character transcoding, mobile data transfer unit is then unified by multimode and is sent out.Multimode unifies mobile data transfer unit
Also there is GPS positioning function.
The characteristics of the utility model is unified using multimode unification mobile data transfer unit multimode, without NB- is separately provided
IOT modules, eMTC modules, GPRS module and GPS module simplify circuit, improve reliability, also save cost.Sentenced by network
Off line system ensures the stability of network, it can be achieved that the switching of heterogeneous networks, so that it is guaranteed that instrumented data distant communication it is smooth into
Row, while the communication network of low-power consumption can be preferentially selected, achieve the purpose that low power operation.
Claims (6)
1. a kind of low-power consumption instrument digital transmission module based on multimode communication, it is characterised in that including central processing unit (1), button
Unit (2), multimode are unified mobile data transfer unit (3), status indicator lamp unit (4), communication interface (5) and are passed for entire number
Module provides the power supply unit (6) of operating voltage, and push-button unit (2), multimode unification mobile data transfer unit (3), state refer to
Show that lamp unit (4) and communication interface (5) are connected respectively with the central processing unit (1).
2. a kind of low-power consumption instrument digital transmission module based on multimode communication according to claim 1, it is characterised in that described
Central processing unit (1) include microcontroller U1, microcontroller U1 uses STM32L052C8 microcontrollers；The push-button unit (2)
Including button S1, the status indicator lamp unit (4) includes light emitting diode D2 and light emitting diode D3；2 feet of button S1
Ground connection, 1 foot of button S1 are connected all the way with 5 feet of microcontroller U1, and another way is grounded through capacitance C21, also all the way through resistance
R17 meets voltage AVCC/DVCC；The anode of light emitting diode D2 and light emitting diode D3 connect voltage AVCC/DVCC, light-emitting diodes
The cathode of pipe D2 is connected through resistance R21 with 27 feet of microcontroller U1, and the cathode of light emitting diode D3 is through resistance R22 and microcontroller U1
26 feet be connected, be connected with crystal oscillator X between 3 feet and 4 feet of microcontroller U1,3 feet of microcontroller U1,4 feet respectively through capacitance C25,
Capacitance C28 is grounded, and the 7 foot meridian capacitor C24 ground connection of microcontroller U1,8 feet, 23 feet, 35 feet, 44 feet and 47 feet of microcontroller U1 connect
Ground, 9 feet, 24 feet, 36 feet and 48 feet of microcontroller U1 meet voltage AVCC/DVCC, 41 feet of microcontroller U1,39 feet, 20 feet, 21
Foot, 22 feet and 42 feet are connected respectively with the multimode unification mobile data transfer unit (3).
3. a kind of low-power consumption instrument digital transmission module based on multimode communication according to claim 2, it is characterised in that described
Communication interface (5) include interface SPI, interface USART and interface I2C；The 1 foot ground connection of interface SPI, 6 feet of interface SPI connect electricity
Press AVCC/DVCC, the foot of 2 feet of interface SPI~5 is connected respectively with the foot of 14 feet of microcontroller U1~17；4 feet of interface USART connect
Ground, 1 foot of interface USART meet voltage AVCC/DVCC, 2 feet of interface USART, 3 feet respectively with 30 feet of microcontroller U1,31 feet
It is connected；The 4 feet ground connection of interface I2C, 1 foot of interface I2C meet voltage AVCC/DVCC, and 2 feet of interface I2C, 3 feet are respectively and monolithic
32 feet, 33 feet of machine U1 are connected.
A kind of 4. low-power consumption instrument digital transmission module based on multimode communication according to Claims 2 or 3, it is characterised in that institute
The multimode unification mobile data transfer unit (3) stated unifies mobile data transfer module U2 and SIM card unit, multimode including multimode
Unify mobile data transfer module U2 and use C1100 communication modules；1 foot of multimode unification mobile data transfer module U2,2 feet and
3 feet meet voltage VBAT-C1100, and voltage VBAT-C1100 is connected with the cathode of diode ZD1, and the anode of diode ZD1 connects
Ground, is parallel with capacitance C12~capacitance C16 on diode ZD1,4 feet of multimode unification mobile data transfer module U2,6 feet, 15
Foot, 20 feet, 21 feet, 31 feet, 43 feet, 44 feet, 46 feet, 52 feet, 54 feet, 60 feet, 61 feet, 63 feet, 64 feet and 73 feet are grounded, more
9 feet of mould unification mobile data transfer module U2 are connected through resistance R16 with 40 feet of microcontroller U1, and multimode unification mobile data passes
12 feet of defeated module U2 are connected with one end of resistance R15, the other end of resistance R15 through level shifting circuit and microcontroller U1 39
Foot is connected, and 5 feet, 12 feet, 13 feet, 23 feet, 24 feet and 74 feet of multimode unification mobile data transfer module U2 turn respectively through level
41 feet, 39 feet, 20 feet, 21 feet, 22 feet and 42 feet for changing circuit and microcontroller U1 are connected, multimode unification mobile data transfer module
53 feet, 62 feet of U2 are connected respectively with Global Satellite Navigation System antenna J1, primary antenna J2, multimode unification mobile data transfer mould
The foot of 77 feet of block U2~80 is connected respectively with the SIM card unit.
5. a kind of low-power consumption instrument digital transmission module based on multimode communication according to claim 4, it is characterised in that described
SIM card unit include SIM card U3, SIM card U3 uses M2M SIM cards, and 1 foot of SIM card U3 is grounded, 2 feet of SIM card U3 and 3
Foot is connected and is connected through resistance R5 with 78 feet of multimode unification mobile data transfer module U2,2 feet and voltage-stabiliser tube of SIM card U3
The cathode of ESD3 and one end of capacitance C7 are connected, and the anode of voltage-stabiliser tube ESD3 and the other end ground connection of capacitance C7, multimode unification move
Resistance R3 is connected between 78 feet and 80 feet of dynamic data transmission module U2；77 feet of multimode unification mobile data transfer module U2
It is connected through resistance R4 with 6 feet of SIM card U3,6 feet of SIM card U3 are connected with one end of the cathode of voltage-stabiliser tube ESD6 and capacitance C11,
The anode of voltage-stabiliser tube ESD6 and the other end ground connection of capacitance C11；79 feet of multimode unification mobile data transfer module U2 are through resistance
R6 is connected with 7 feet of SIM card U3, and 7 feet of SIM card U3 are connected with one end of the cathode of voltage-stabiliser tube ESD4 and capacitance C10, voltage-stabiliser tube
The anode of ESD4 and the other end ground connection of capacitance C10；80 feet of multimode unification mobile data transfer module U2 and the 8 of SIM card U3
Foot is connected, and 8 feet of SIM card U3 are connected with the cathode of voltage-stabiliser tube ESD5 and capacitance C8, one end of capacitance C9, and voltage-stabiliser tube ESD5 is just
Pole and capacitance C8, the other end ground connection of capacitance C9.
6. a kind of low-power consumption instrument digital transmission module based on multimode communication according to claim 4, it is characterised in that described
Level shifting circuit include triode Q1~triode Q5；5 feet and triode of multimode unification mobile data transfer module U2
The collector of Q3 is connected, and the emitter ground connection of triode Q3, the base stage of triode Q3 is connected with 41 feet of microcontroller U1；Multimode is closed
12 feet of one mobile data transfer module U2 are connected with the base stage of triode Q5, the emitter ground connection of triode Q5, triode Q5
Collector not only met voltage AVCC/DVCC through resistance R14 but also be connected with 39 feet of microcontroller U1；Multimode unifies mobile data transfer
74 feet of module U2 are connected with the collector of triode Q4, the emitter ground connection of triode Q4, the base stage and monolithic of triode Q4
42 feet of machine U1 are connected；Base stage of 13 feet through resistance R13 with triode Q2 of multimode unification mobile data transfer module U2 is connected,
The emitter of triode Q2 is connected with 24 feet of multimode unification mobile data transfer module U2, the collector of triode Q2, all the way
Meet voltage AVCC/DVCC through resistance R9, another way is connected through resistance R8 with 20 feet of microcontroller U1, also all the way with microcontroller U1
22 feet be connected；21 feet of microcontroller U1 are connected with the emitter of triode Q1, the base stage of triode Q1 and one end of resistance R12
It is connected, the other end of resistance R12 had not only met voltage AVCC/DVCC through resistance R10 but also the 20 foot phases through resistance R11 and microcontroller U1
Even, the collector of triode Q1 is not only connected with 23 feet of multimode unification mobile data transfer module U2 but also is closed through resistance R7 and multimode
13 feet of one mobile data transfer module U2 are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469324.5U CN207602026U (en) | 2017-11-06 | 2017-11-06 | A kind of low-power consumption instrument digital transmission module based on multimode communication |
Applications Claiming Priority (1)
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| CN111225414A (en) * | 2018-11-26 | 2020-06-02 | 中兴通讯股份有限公司 | Multimode communication device, communication method thereof and multimode communication system |
| CN111225414B (en) * | 2018-11-26 | 2023-09-08 | 中兴通讯股份有限公司 | Multimode communication device, communication method thereof and multimode communication system |
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Effective date of registration: 20190110 Address after: 310016 7th Floor, Building B, Yuexiu Victoria Center, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou tayli Technology Co., Ltd. Address before: 310016 room 905, block A, Fung Chi Plaza, Jianggan District, Hangzhou, Zhejiang. Patentee before: Hangzhou silver Chen Technology Co., Ltd. |