A kind of intelligent LED lamp control system
Technical field
The present invention relates to a kind of LED control system, more particularly, to a kind of intelligent LED lamp control system.
Background technology
With the development of intelligent information society, intelligent LED lamp control system passes through wireless network and intelligent wireless LED
System is communicated, to the luminosity of each intelligent LED lamp, fluorescent lifetime and glow color in intelligent wireless LED lamp system
Etc. being controlled, it is widely used in smart home.
As shown in figure 1, existing intelligent LED lamp control system mainly includes control terminal, radio receiving transmitting module and local
Memory, control terminal is connected with radio receiving transmitting module and local storage respectively, radio receiving transmitting module by wireless network and
Intelligent wireless LED lamp system is communicated.Intelligent LED lamp control signal is sent to wireless receiving and dispatching by user by control terminal
Module, the intelligent LED lamp control signal that radio receiving transmitting module will be received is sent to intelligent wireless LED system by wireless network
Corresponding intelligent LED lamp, is achieved in the control of luminosity, fluorescent lifetime and the glow color of intelligent LED lamp etc., intelligence in system
Energy LED produces corresponding returned data to be sent to radio receiving transmitting module by wireless network, and radio receiving transmitting module will return to number
According to control terminal is sent to, control terminal is by returned data storage to local storage in case the later stage inquires about.
But, radio receiving transmitting module and intelligent wireless LED lamp system in existing intelligent LED lamp control system are to pass through
Distribute electromagnetic wave to communicate wirelessly, electromagnetic wave can gradually successively decrease weak with the increase of distance, until no signal.
Control terminal, radio receiving transmitting module and local storage are carried by user, and thus, user has to specifically using model
Enclose it is interior intelligent wireless LED lamp system could be controlled, when beyond certain limit, radio receiving transmitting module and intelligent wireless LED
Lamp system will be unable to normally communicate wirelessly, and is restricted using scope.And, in the present of Internet resources opening,
User is increasing for the shared demand of data resource, is stored in the local storage of existing intelligent LED lamp control system
Data be only capable of being inquired about for user, it is impossible to share to other people in need, using not convenient enough, intelligence degree is inadequate.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and be can not be limited using scope, and intelligence degree is high,
Intelligent LED lamp control system easy to use.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:A kind of intelligent LED lamp control system, including control
Terminal processed, radio receiving transmitting module and local storage, described control terminal respectively with described radio receiving transmitting module and described
Local storage connection, described intelligent LED lamp control system also includes gateway, Cloud Server and cloud storage;Described
Gateway and described radio receiving transmitting module are communicated by wireless network, and described gateway and intelligent LED lamp system passes through
Zigbee is communicated, and described Cloud Server and described cloud storage is connected, and described Cloud Server passes through with described gateway
Ethernet is connected, and described Cloud Server and described control terminal is connected by Ethernet.
Described gateway includes Zigbee circuits, ethernet interface circuit, cpu control circuit, WIFI module and power supply;Institute
The power supply stated respectively with described Zigbee circuits, described ethernet interface circuit, described cpu control circuit and described
WIFI module connection, described Zigbee circuits and described cpu control circuit connection, described ethernet interface circuit and institute
The cpu control circuit connection stated, described cpu control circuit and described WIFI module connection, described WIFI circuits are used for
Communicated with described radio receiving transmitting module, described Zigbee circuits are used for and the communication of intelligent LED lamp system.The circuit includes electricity
Source, WiFi module and zigbee circuits are low-power consumption can enter low-power consumption mode, gateway whole structure when it is not used
Not only can be by Ethernet access network, it is also possible to by WiFi circuitry access network, allow user that there are more selections.
First control chip of described cpu control circuit including model STM32F103, first resistor, second resistance,
First electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th
Electric capacity, the first crystal oscillator and the second crystal oscillator;One end of the first described electric capacity, one end of the first described crystal oscillator and described first
The 3rd pin connection of chip, one end of described the second electric capacity, the other end of the first described crystal oscillator and the first described chip
4th pin is connected, and the 5th pin of one end, one end of the second described crystal oscillator and the first described chip of described the 3rd electric capacity connects
Connect, the 6th pin connection of one end, the other end of the second described crystal oscillator and the first described chip of described the 4th electric capacity, institute
The other end of the first electric capacity stated, the other end of the second described electric capacity, the other end of the 3rd described electric capacity and described
The other end connection of four electric capacity and its connection end is grounded, one end, one end, the institute of the 6th described electric capacity of described the 5th electric capacity
One end of the 7th electric capacity stated, one end of the 8th described electric capacity, one end of the 9th described electric capacity, the first described chip
13rd pin, the 19th pin, the 32nd pin, the 48th pin, the 64th pin and described first resistor one end connection and its connection end with it is described
Power supply connection, access 3.3V voltages;The other end of described first resistor, one end of described second resistance and described
The 28th pin connection of one chip, the other end of described the 5th electric capacity, the other end of the 6th described electric capacity, the 7th described electricity
The other end of appearance, the other end of the 8th described electric capacity, the other end of the 9th described electric capacity, the 12nd of the first described chip the
The other end of pin, the 18th pin, the 47th pin, the 63rd pin and described second resistance is grounded, the 20th pin of described the first chip,
21st pin, the 22nd pin, the 23rd pin, the 24th pin and the 25th pin are connected with described ethernet interface circuit, the first described chip
The 26th pin and the 27th pin be connected with described WIFI module.In the circuit, can be certainly when the first chip is switched to the second crystal oscillator
Dynamic to reduce dominant frequency, thus the power consumption of the first chip can be substantially reduced, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity and
9th electric capacity constitutes mu balanced circuit, it is ensured that the stabilization of cpu control circuit electric power system, so as to reduce electric current disappearing in circuit
Consumption, reduce further power consumption, by the control of the first chip, internet and Zigbee circuits can be allowed to be seamlessly connected, from
And can be controlled to intelligent LED lamp system by internet or LAN.
Described ethernet interface circuit includes the second chip, the ether of model HR911105DE of model W5500
Net transformer, the 3rd crystal oscillator, magnetic bead, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance,
9th resistance, the tenth resistance, the 11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance, the tenth
Six resistance, the 17th resistance, the 18th resistance, the 19th resistance, the 20th resistance, the 21st resistance, the 22nd resistance,
23rd resistance, the 24th resistance, the 25th resistance, the 26th resistance, the tenth electric capacity, the 11st electric capacity, the tenth
Two electric capacity, the 13rd electric capacity, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity, the 17th electric capacity, the 18th electric capacity, the tenth
Nine electric capacity, the 20th electric capacity, the 21st electric capacity, the 22nd electric capacity, the 23rd electric capacity, the 24th electric capacity, the 20th
Five electric capacity and the 26th electric capacity;4th pin, the 8th pin, the 11st pin, the 15th pin, the 17th pin, the 21st of the second described chip
Pin, it is one end of described tenth electric capacity, one end of the 11st described electric capacity, one end of the 12nd described electric capacity, described
One end of 13rd electric capacity, one end of the 14th described electric capacity, one end of the 15th described electric capacity, the 16th described electricity
It is one end of appearance, one end of described magnetic bead, one end of the 17th described electric capacity, one end of the 9th described resistance, described
One end of one end of tenth resistance and the 11st described resistance connects and its connection end is connected with described power supply, accesses
3.3VA voltages;The other end of the tenth described electric capacity, the other end of the 11st described electric capacity, the 12nd described electric capacity
The other end, the other end of the 13rd described electric capacity, the other end of the 14th described electric capacity, the 15th described electric capacity it is another
The other end of one end and the 16th described electric capacity is grounded, the other end of described magnetic bead, one end of the 4th described resistance,
One end of the 5th described resistance, one end of the 7th described resistance, one end, the described the 15th of the 14th described resistance
One end of resistance, one end of the 19th described resistance, one end of the 20th described resistance, the 26th described resistance
The 28th pin connection of one end, one end of the 25th described electric capacity and the second described chip and its connection end and described electricity
Source connects, and accesses 3.3V voltages;The other end of the 4th described resistance, one end of described 3rd resistor and the second described core
The 45th pin connection of piece, the other end of described the 5th resistance, one end of the 6th described resistance and the second described chip
44th pin is connected, and the 43rd of the other end of described the 7th resistance, one end of the 8th described resistance and the second described chip the
Pin is connected, the other end of the other end, the other end of the 6th described resistance and the 8th described resistance of described 3rd resistor
It is grounded, the other end ground connection of described the 17th electric capacity, the other end of described the 9th resistance, the of the second described chip
The 2nd pin connection of 1 pin and described Ethernet transformer, the other end, the 2nd of the second described chip the of described the tenth resistance
The 1st pin connection of pin and described Ethernet transformer, the other end, the 26th described electric capacity of described the 11st resistance
One end and described Ethernet transformer the connection of the 4th pin, the other end ground connection of described the 26th electric capacity, described the
The 6th pin connection of one end of 18 electric capacity, one end of the 12nd described resistance and the second described chip, the described the 18th
The 3rd pin connection of the other end of electric capacity and described Ethernet transformer, one end, the described the tenth of described the 13rd resistance
The 5th pin connection of one end of nine electric capacity and the second described chip, the other end, the described the 13rd of described the 12nd resistance
The 5th pin connection of the other end of resistance, one end of the 20th described electric capacity and described Ethernet transformer, described second
The other end ground connection of ten electric capacity, the described other end of the 19th electric capacity and the 6th pin of described Ethernet transformer is connected, institute
The 9th pin connection of the other end of the 14th resistance stated and described Ethernet transformer, described the 15th resistance it is another
12nd pin of end and described Ethernet transformer is connected, the 10th pin and the second described chip of described Ethernet transformer
The connection of the 25th pin, the 27th pin connection of the 11st pin and the second described chip of described Ethernet transformer, described the
9th pin of two chips, the 14th pin, the 16th pin, the 19th pin, the 29th pin and the 48th pin are grounded, and the 10th of described the second chip the
One end connection of pin and the 16th described resistance, the other end ground connection of described the 16th resistance, described the second chip
One end connection of the 20th pin and the 21st described electric capacity, the other end ground connection of described the 21st electric capacity, described the
One end connection of the 22nd pin and the 22nd described electric capacity of two chips, the other end of the 22nd described electric capacity is grounded,
One end connection of the 23rd pin of the second described chip and the 17th described resistance, another termination of described the 17th resistance
Ground, the other end ground connection of described the 25th electric capacity, the 30th pin, the one of the 18th described resistance of described the second chip
One end connection at end, one end of described 3rd crystal oscillator and the 23rd described electric capacity, described the 18th resistance it is another
End, the 31st pin of the other end, one end of the 24th described electric capacity and the second described chip of the 3rd described crystal oscillator connect
Connect, the described other end of the 23rd electric capacity and the other end of the 24th described electric capacity is grounded, the second described core
The other end connection of the 32nd pin of piece and the 19th described resistance, the 36th pin and the described the 20th of described the second chip
The other end connection of resistance, described the 37th pin of the second chip and the other end of the 26th described resistance is connected, described
The second chip the 38th pin and the 25th described resistance one end connection, the 39th pin of described the second chip and described
The 24th resistance one end connection, the 40th pin of described the second chip and one end of the 23rd described resistance connect
Connect, one end connection of the 41st pin and the 22nd described resistance of described the second chip, the 42nd of described the second chip the
One end connection of pin and the 21st described resistance, the other end of described the 21st resistance, the 22nd described electricity
The other end of resistance, the other end of the 23rd described resistance, the other end and described second of the 24th described resistance
The other end of 15 resistance is grounded, the connection of the other end of the 32nd pin and the 19th described resistance of described the second chip
End, the connection end of the other end of the 36th pin and the 20th described resistance of described second chip, the second described chip
The connection end of the other end of the 37th pin and the 26th described resistance, the 33rd pin of the second described chip, the 34th pin and
35 pin are connected with described cpu control circuit respectively, and the 13rd pin and the 14th pin of described Ethernet transformer are grounded.The electricity
Using second chip of model W5500 in road,
Simple several pin interfaces are only needed between second chip and cpu control circuit can just be controlled, the tenth electric capacity, the tenth
One electric capacity, the 12nd electric capacity, the 13rd electric capacity, the 14th electric capacity, the 15th electric capacity and the 16th electric capacity constitute mu balanced circuit, protect
Demonstrate,prove the electrical stability of the second chip, the 20th electric capacity and the 21st electric capacity coordinate the 3rd crystal oscillator, it is ensured that the 3rd crystal oscillator it is defeated
Go out stabilization, thereby guarantee that the high-speed requirement of Ethernet.
Compared with prior art, the advantage of the invention is that by setting gateway, Cloud Server and cloud storage, gateway and
Radio receiving transmitting module is communicated by wireless network, gateway and intelligent LED lamp system by Zigbee communication, Cloud Server and
Cloud storage is connected, and Cloud Server is connected or radio receiving transmitting module communication with gateway by Ethernet, when using, control terminal
Changeable long distance wireless pattern and local wireless pattern is inside provided with, when control terminal, wireless receiving and dispatching mould that user carries
Block and local storage are located locally when in operable scope with intelligent wireless LED lamp system, control terminal selection local wireless
Pattern, control terminal is searched for corresponding gateway and is attached by radio receiving transmitting module, and user is logical by radio receiving transmitting module
Letter sends control signals to gateway, and control signal then is transferred into intelligent wireless LED lamp system, realizes to intelligent wireless
The local control of LED lamp system, the data message that intelligent wireless LED lamp system is returned is transmitted by gateway and radio receiving transmitting module
In to control terminal storage to home server, when control terminal, radio receiving transmitting module and local storage that user carries
When exceeding local operable scope with intelligent wireless LED lamp system, control terminal selection long distance wireless pattern, control terminal enters
Networking state, is connected to control terminal Cloud Server and sends control signals to and server, Cloud Server connection gateway, will
Control signal by gateway be sent to intelligent wireless LED lamp system, realize to the remote control of intelligent wireless LED lamp system,
The data message that intelligent wireless LED lamp system is returned is preserved or transmission in sending Cloud Server to by gateway and Cloud Server
It is saved in home server to control terminal;Thus, control system of the invention can simultaneously realize local and remote operation,
Be can not be limited using scope, and data are stored by cloud storage, it is possible to achieve data sharing intelligence degree is high, uses
It is convenient.
Brief description of the drawings
Fig. 1 is the structure chart of existing intelligent LED lamp control system;
Fig. 2 is the structure chart of intelligent LED lamp control system of the invention;
Fig. 3 is the structure chart of the gateway of intelligent LED lamp control system of the invention;
Fig. 4 is the circuit diagram of the cpu control circuit of intelligent LED lamp control system of the invention;
Fig. 5 is the circuit diagram of the ethernet interface circuit of intelligent LED lamp control system of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one:As shown in Fig. 2 a kind of intelligent LED lamp control system, including control terminal, radio receiving transmitting module and
Local storage, control terminal is connected with radio receiving transmitting module and local storage respectively, and intelligent LED lamp control system also includes
Gateway, Cloud Server and cloud storage;Gateway and radio receiving transmitting module are communicated by wireless network, gateway and intelligent LED
Lamp system is connected by ethernet communication, Cloud Server and cloud storage, and Cloud Server is connected with gateway by Ethernet, cloud clothes
Business device and control terminal are connected by Ethernet.
In the present embodiment, as shown in figure 3, gateway include Zigbee circuits, ethernet interface circuit, cpu control circuit,
WIFI module and power supply;Power supply is connected with Zigbee circuits, ethernet interface circuit, cpu control circuit and WIFI module respectively,
Zigbee circuits and cpu control circuit connection, ethernet interface circuit and cpu control circuit connection, cpu control circuit and WIFI
Module is connected, and WIFI module is used for and radio receiving transmitting module communication, and Zigbee circuits are used for and the communication of intelligent LED lamp system.
Embodiment two:As shown in Fig. 2 a kind of intelligent LED lamp control system, including control terminal, radio receiving transmitting module and
Local storage, control terminal is connected with radio receiving transmitting module and local storage respectively, and intelligent LED lamp control system also includes
Gateway, Cloud Server and cloud storage;Gateway and radio receiving transmitting module are communicated by wireless network, gateway and intelligent LED
Lamp system is connected by ethernet communication, Cloud Server and cloud storage, and Cloud Server is connected with gateway by Ethernet, cloud clothes
Business device and control terminal are connected by Ethernet.
In the present embodiment, as shown in figure 3, gateway include Zigbee circuits, ethernet interface circuit, cpu control circuit,
WIFI module and power supply;Power supply is connected with Zigbee circuits, ethernet interface circuit, cpu control circuit and WIFI module respectively,
Zigbee circuits and cpu control circuit connection, ethernet interface circuit and cpu control circuit connection, cpu control circuit and WIFI
Module is connected, and WIFI module is used for and radio receiving transmitting module communication, and Zigbee circuits are used for and the communication of intelligent LED lamp system.
In the present embodiment, as shown in figure 4, cpu control circuit includes the first chip U1, first of model STM32F103
Resistance R1, second resistance R2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th
Electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, the first crystal oscillator Y1 and the second crystal oscillator Y2;The one of first electric capacity C1
End, the 3rd pin connection of one end of the first crystal oscillator Y1 and the first chip U1, one end of the second electric capacity C2, the first crystal oscillator Y1 it is another
4th pin of end and the first chip U1 is connected, and the 5th of one end of the 3rd electric capacity C3, one end of the second crystal oscillator Y2 and the first chip U1 the
Pin is connected, the 6th pin connection of one end of the 4th electric capacity C4, the other end of the second crystal oscillator Y2 and the first chip U1, the first electric capacity C1
The other end, the other end, the other end of the 3rd electric capacity C3 and the 4th electric capacity C4 of the second electric capacity C2 the other end connection and its connect
Connect end ground connection, one end of the 5th electric capacity C5, one end of the 6th electric capacity C6, one end of the 7th electric capacity C7, one end of the 8th electric capacity C8,
One end of 9th electric capacity C9, the 13rd pin of the first chip U1, the 19th pin, the 32nd pin, the 48th pin, the 64th pin and first resistor R1's
One end connects and its connection end is connected with power supply, accesses 3.3V voltages;The other end of first resistor R1, one end of second resistance R2
Connected with the 28th pin of the first chip U1, the other end of the 5th electric capacity C5, the other end of the 6th electric capacity C6, the 7th electric capacity C7 it is another
One end, the other end of the 8th electric capacity C8, the other end of the 9th electric capacity C9, the 12nd pin of the first chip U1, the 18th pin, the 47th pin,
The other end of the 63rd pin and second resistance R2 is grounded, the 20th pin, the 21st pin, the 22nd pin, the 23rd pin, the 24th of the first chip U1
Pin and the 25th pin are connected with ethernet interface circuit, and the 26th pin and the 27th pin of the first chip U1 are connected with WIFI module.
In the present embodiment, as shown in figure 5, ethernet interface circuit includes the second chip U2, the model of model W5500
The Ethernet transformer U3 of HR911105DE, the 3rd crystal oscillator Y3, magnetic bead FB1,3rd resistor R3, the 4th resistance R4, the 5th resistance
R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the tenth
Two resistance R12, the 13rd resistance R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance
R17, the 18th resistance R18, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21, the 22nd resistance
R22, the 23rd resistance R23, the 24th resistance R24, the 25th resistance R25, the 26th resistance R26, the tenth electric capacity
C10, the 11st electric capacity C11, the 12nd electric capacity C12, the 13rd electric capacity C13, the 14th electric capacity C14, the 15th electric capacity C15,
16 electric capacity C16, the 17th electric capacity C17, the 18th electric capacity C18, the 19th electric capacity C19, the 20th electric capacity C20, the 21st
Electric capacity C21, the 22nd electric capacity C22, the 23rd electric capacity C23, the 24th electric capacity C24, the 25th electric capacity C25 and second
16 electric capacity C26;4th pin of the second chip U2, the 8th pin, the 11st pin, the 15th pin, the 17th pin, the 21st pin, the tenth electric capacity C10
One end, one end of the 11st electric capacity C11, one end of the 12nd electric capacity C12, one end of the 13rd electric capacity C13, the 14th electric capacity
One end of C14, one end of the 15th electric capacity C15, one end of the 16th electric capacity C16, one end of magnetic bead FB1, the 17th electric capacity C17
One end, one end, one end of the tenth resistance R10 and the 11st resistance R11 of the 9th resistance R9 one end connection and its connection end
It is connected with power supply, accesses 3.3VA voltages;The other end of the tenth electric capacity C10, the other end of the 11st electric capacity C11, the 12nd electric capacity
The other end of C12, the other end of the 13rd electric capacity C13, the other end of the 14th electric capacity C14, the other end of the 15th electric capacity C15
The other end with the 16th electric capacity C16 is grounded, the other end of magnetic bead FB1, one end of the 4th resistance R4, the one of the 5th resistance R5
End, one end of the 7th resistance R7, one end of the 14th resistance R14, one end of the 15th resistance R15, the one of the 19th resistance R19
End, one end of the 20th resistance R20, one end of the 26th resistance R26, one end of the 25th electric capacity C25 and the second chip
28th pin of U2 is connected and its connection end is connected with power supply, accesses 3.3V voltages;The other end of the 4th resistance R4,3rd resistor R3
One end and the second chip U2 the connection of the 45th pin, the other end of the 5th resistance R5, one end of the 6th resistance R6 and the second chip
The 44th pin connection of U2, the 43rd pin connection of the other end, one end of the 8th resistance R8 and the second chip U2 of the 7th resistance R7, the
The other end of three resistance R3, the other end of the 6th resistance R6 and the other end of the 8th resistance R8 are grounded, the 17th electric capacity C17's
The other end is grounded, the 2nd pin connection of the other end of the 9th resistance R9, the 1st pin of the second chip U2 and Ethernet transformer U3, the
The 1st pin connection of the other end of ten resistance R10, the 2nd pin of the second chip U2 and Ethernet transformer U3, the 11st resistance R11
The other end, one end of the 26th electric capacity C26 and Ethernet transformer U3 the 4th pin connection, the 26th electric capacity C26's is another
One end is grounded, the 6th pin connection of one end, one end of the 12nd resistance R12 and the second chip U2 of the 18th electric capacity C18, the tenth
The 3rd pin connection of the other end and Ethernet transformer U3 of eight electric capacity C18, one end of the 13rd resistance R13, the 19th electric capacity
The 5th pin connection of one end of C19 and the second chip U2, the other end of the 12nd resistance R12, the other end of the 13rd resistance R13,
The 5th pin connection of one end and Ethernet transformer U3 of the 20th electric capacity C20, the other end ground connection of the 20th electric capacity C20, the tenth
The 6th pin connection of the other end and Ethernet transformer U3 of nine electric capacity C19, the other end and Ethernet of the 14th resistance R14 become
The 9th pin connection of depressor U3, the 12nd pin connection of the other end and Ethernet transformer U3 of the 15th resistance R15, Ethernet becomes
The of the 25th pin connection of the 10th pin of depressor U3 and the second chip U2, the 11st pin of Ethernet transformer U3 and the second chip U2
27 pin are connected, and the 9th pin of the second chip U2, the 14th pin, the 16th pin, the 19th pin, the 29th pin and the 48th pin are grounded, the second chip
One end connection of the 10th pin of U2 and the 16th resistance R16, the other end ground connection of the 16th resistance R16, the of the second chip U2
One end connection of 20 pin and the 21st electric capacity C21, the other end ground connection of the 21st electric capacity C21, the 22nd of the second chip U2 the
One end connection of pin and the 22nd electric capacity C22, the other end ground connection of the 22nd electric capacity C22, the 23rd pin of the second chip U2
One end with the 17th resistance R17 connects, the other end ground connection of the 17th resistance R17, another termination of the 25th electric capacity C25
Ground, the 30th pin of the second chip U2, one end of the 18th resistance R18, one end of the 3rd crystal oscillator Y3 and the 23rd electric capacity C23's
One end connects, the other end of the 18th resistance R18, the other end of the 3rd crystal oscillator Y3, one end and second of the 24th electric capacity C24
The 31st pin connection of chip U2, the other end of the 23rd electric capacity C23 and the other end of the 24th electric capacity C24 are grounded, the
The other end connection of the 32nd pin and the 19th resistance R19 of two chip U2, the 36th pin and the 20th resistance R20 of the second chip U2
Other end connection, the other end connection of the 37th pin of the second chip U2 and the 26th resistance R26, the 38th of the second chip U2 the
One end connection of pin and the 25th resistance R25, one end connection of the 39th pin and the 24th resistance R24 of the second chip U2,
One end connection of the 40th pin and the 23rd resistance R23 of the second chip U2, the 41st pin of the second chip U2 and the 22nd electricity
Hinder one end connection of R22, one end connection of the 42nd pin and the 21st resistance R21 of the second chip U2, the 21st resistance R21
The other end, the other end of the 22nd resistance R22, the other end of the 23rd resistance R23, the 24th resistance R24 it is another
The other end of one end and the 25th resistance R25 is grounded, the 32nd pin of the second chip U2 and the other end of the 19th resistance R19
Connection end, the 36th pin of the second chip U2 and the 20th resistance R20 the other end connection end, the 37th pin of the second chip U2
Connection end, the 33rd pin of the second chip U2, the 34th pin and the 35th pin with the other end of the 26th resistance R26 respectively with CPU
Control circuit connection, the 13rd pin and the 14th pin of Ethernet transformer U3 are grounded.