CN106647533B - A kind of intelligence large screen system - Google Patents
A kind of intelligence large screen system Download PDFInfo
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- CN106647533B CN106647533B CN201710048162.6A CN201710048162A CN106647533B CN 106647533 B CN106647533 B CN 106647533B CN 201710048162 A CN201710048162 A CN 201710048162A CN 106647533 B CN106647533 B CN 106647533B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
A kind of intelligence large screen system, it include screen ontology, it is characterized by: the screen ontology is connected with power supply monitoring modular, the power supply monitoring modular is connected separately with power supply switching module and wireless module, and the power supply detection module includes data receiver memory module and detection of electrical leakage module；Power supply switching module through the invention can be effectively prevented and be frequently encountered the suddenly change of power circuit in the use process of large screen the normal display of screen be caused to go wrong or even can directly contribute the damage of screen.When a certain power supply when something goes wrong, can rapidly be switched to another backup power source, guarantee the normal operation of large screen.
Description
Technical field
The present invention relates to screen area, especially a kind of intelligent large screen system.
Background technique
Present screen is very widely used, and the unexpected change of power circuit is frequently encountered in the use process of screen
Change the damage for causing the normal display of screen to go wrong or even can directly contribute screen.Therefore, allow screen with power supply detection
Function is a very necessary function.
Summary of the invention
The present invention is that main technical problems to be solved are to provide a kind of intelligent large screen system.
The technical solution that the present invention uses to solve above-mentioned technical problem are as follows:
A kind of intelligence large screen system, includes screen ontology, the screen ontology is connected with power supply monitoring modular, described
Power supply monitoring modular is connected separately with power supply switching module and wireless module, and the power supply detection module includes data receiver
Memory module and detection of electrical leakage module；
The data receiver memory module includes microcontroller U1, temperature sensor U2, serial flash U3, serial flash
U4, reference voltage U5, mass storage U6, memory U8, photoelectrical coupler U9, USB switching chip U10, photoelectrical coupler
U11, transceiver U12；1 foot, 3 feet and 4 feet of the temperature sensor U2 respectively with 29 feet of microcontroller U1,32 feet and
30 feet connection, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 respectively with 29 feet of microcontroller U1,31 feet, 32 feet with
And 30 foot connections, 1 foot of the serial flash U4,2 feet, 5 feet, 6 feet respectively with 51 feet of microcontroller U1,53 feet, 54 feet with
And 52 foot connections, 2 feet of reference voltage U5 are connected by 21 feet of shunt capacitance C12, C13 and microcontroller U1, the capacitor
C12 is grounded with capacitor C13, and 6 feet and 7 feet of mass storage U6 pass through series resistance R16, R17 and microcontroller respectively
87 feet of U1 connect, and 9 feet, 10 feet of mass storage U6 pass through resistance R18, R19 respectively and 88 feet of microcontroller U1 connect
It connects, 8 feet, 16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 of mass storage U6
Foot, 44 feet respectively with 85 feet of microcontroller U1,59 feet, 60 feet, 86 feet, 84 feet, 61 feet, 62 feet, 81 feet, 82 feet, 38 feet, 39
Foot, 40 feet, the connection of 41 feet, 5 feet, 6 feet of memory U8 are connect with 48 feet of microcontroller U1,47 feet respectively, the photoelectricity coupling
2 feet of clutch U9 are connect by resistance R34 with capacitor C33 with 68 feet of microcontroller U1, and the resistance R34 and capacitor C33 are simultaneously
3 feet of connection, USB switching chip U10 are connect by resistance R35, capacitor C34 with 2 feet of photoelectrical coupler U11, the resistance R35
It is in parallel with capacitor C34, USB switching chip U10 4 feet connect with 4 feet of photoelectrical coupler U9,11 feet of transceiver U12 with it is micro-
55 feet of controller U1 connect, and 12 feet of transceiver U12 are connect by resistance R38 with 56 feet of microcontroller U1；
The detection of electrical leakage module includes operational amplifier U13, operational amplifier U14, operational amplifier U15, operation
Amplifier U16, operational amplifier U17, operational amplifier U18, operational amplifier U19,6 feet of the operational amplifier U13 with
3 feet of operational amplifier U14 are connected by capacitor C48, and 6 feet of the operational amplifier U14 and 26 feet of microcontroller U1 connect
It connects, 3 feet of the operational amplifier U13 pass through resistance R50, R47 and analog power AVDD5 connection, the resistance R50 and resistance
R47 series connection；3 feet of the U13 are connect by resistance R50, capacitor C52 with 1 foot of inductance L7, and 2 feet of inductance L7 pass through resistance
The 3 feet connection of R54, resistance R50 and U13；1 foot of L7 is grounded by 2 feet of capacitor C52, resistance R47 and power supply AVDD5, L7；
6 feet of the operational amplifier U16 are connect with 33 feet of microcontroller U1 by resistance R60, R61 and R62, the resistance R60,
R61 is sequentially connected in series with R62, and 3 feet of the operational amplifier U16 are connected by resistance R66 and capacitor C60 and input voltage Viin1
It connects, capacitor C60 is parallel with resistance R68, and resistance R66 connects with capacitor C60；6 feet and microcontroller of the operational amplifier U18
34 feet pass through resistance R78, R79, R80 and connect, described resistance R78, R79, R80 series connection, 3 feet of the operational amplifier U18
It is connect by resistance R82 with capacitor C68 with input voltage Viin1, capacitor C68 is parallel with resistance R84, resistance R84 and capacitor C68
Series connection；2 feet of the operational amplifier U15 are connect by resistance R41 with C47 with 15 feet of microcontroller U1, operational amplifier
2 feet of U15 are connected by 16 feet of capacitor C49, C50 and microcontroller, and 2 feet of operational amplifier U15 pass through capacitor C49, electricity
17 feet for hindering R55 and microcontroller connect, and 6 feet of operational amplifier U15 are connected by 16 feet of capacitor C50 and microcontroller U1
Connect, 6 feet of operational amplifier U15 connects by resistance R55 with 17 feet of microcontroller U1,2 feet of U15 pass through resistance R48 and
Input voltage Viin connection, 6 feet of U15 pass through the resistance R48 being sequentially connected in series and connect with resistance R49 with input voltage Vi in,
6 feet of U15 are sequentially connected in series resistance R41, capacitor C47 and microcontroller U1 by the parallel circuit that resistance R49 and capacitor C49 is constituted
15 feet connection；
24 feet of U1 pass through resistance R98, R94, R90, R88 for being sequentially connected in series and zero curve connects, and 92 feet of U1 are by successively
Concatenated resistance R101, R99, R97, R92 and zero curve connect；
18 feet that 2 feet of operational amplifier U17 pass through resistance R63, the capacitor C56 and microcontroller U1 that are sequentially connected in series connect
It connects, 6 feet of U17 are sequentially connected in series resistance R63 by the parallel circuit that resistance R71, C62 are constituted, 18 feet of capacitor C56 and U1 connect
It connects, 6 feet of U17 are connected by 23 feet of capacitor C64 and U1, the parallel connection electricity that 2 feet of U17 are made up of capacitor C62, resistance R71
23 feet of road series capacitance C64 and U1 connect；
25 feet of 6 feet of operational amplifier U19 and U1 connect, 3 feet of U19 by resistance R91 connect a capacitor C72 with
24 feet of parallel circuit and U1 that resistance R96 is constituted connect, and 2 feet of U19 pass through the parallel circuit that capacitor C70, resistance R87 are constituted
It being connect with 25 feet of U1,3 feet of U19 are connected by 25 feet of capacitor C71, resistance the R93 parallel circuit constituted and U1, and the 6 of U19
Foot is connect with the parallel circuit that resistance R93 is constituted with resistance R91 by capacitor C71；
The power supply switching module includes data processing module, data transmission module and switching module, at the data
Reason module includes microcontroller U1, reference voltage source U5, photoelectrical coupler U9, U11, USB switching chip U10, transceiver
U12, the switching module include single channel phase inverter U35, single channel phase inverter U36, operational amplifier U19, the data transmission
Module includes Surge Protector U55, network transformer U44, network controller U181；
2 feet of the microcontroller reference voltage source U5 are connect with 21 feet of microcontroller U1, the photoelectrical coupler U9
2 feet connect with 68 feet of microcontroller U1 by resistance R34, transfer 4 feet of chip U10 of 4 feet of U9 and USB are connect, described
4 feet of photoelectrical coupler U11 are connect with 69 feet of microcontroller U1, and 2 feet of U11 are connect with 3 feet of USB switching chip U10；Institute
11 feet for stating transceiver U12 are connect with 55 feet of microcontroller U1, and 12 feet of U12 pass through the 56 of resistance R38 and microcontroller U1
Foot connection；
4 feet of the single channel phase inverter U35 are connected by 62 feet of resistance R63 and U1, and the 4 of the single channel phase inverter U36
Foot is connect by resistance 64 with 61 feet of microcontroller U1；6 feet of the operational amplifier U19 and 23 feet of microcontroller U1 connect
It connects；
1 foot of the network transformer U44 is connect with 15 feet of network controller U181,3 feet of U44 and 14 feet of U181
12 feet of connection, 6 feet of U44 and U181 connect, and 8 feet of U44 and 11 feet of U181 connect, 3 feet of U181 by resistance R59 with
48 feet of U1 connect, and 4 feet of U181 and 51 feet of U1 connect, and 5 feet of U181 and 52 feet of U1 connect, 23 feet of U181 and U1's
The connection of 15 feet, 25 feet of U181 and 16 feet of U1 connect, and 24 feet of U181 and 25 feet of U1 connect, and 33 feet of U181 pass through resistance
32 feet of R29 and U1 connect, and 36 feet, 37 feet of U181 pass through 33 feet of resistance R28, R222 and U1, the connection of 34 feet respectively；Surge
1 foot, 6 feet, 3 feet, 4 feet of protector U55 are connect with 15 feet of U181,14 feet, 12 feet, 11 feet respectively；
The wireless module includes LCD MODULE U1, relay U2, WIFI module U3, temperature sensor U4, fortune
Calculate amplifier U5, transceiver U7；
8 feet of relay U2 are connect with 7 feet of wifi module U3, and 1 foot of the temperature sensor U4 and 11 feet of U3 connect
It connects, 2 feet of U4 and 5 feet of U3 connect, and 1 foot of operational amplifier U5 and 2 feet of U3 connect, 11 feet and U3 of the transceiver U7
The connection of 16 feet, 15 feet of 12 feet of U7 and U3 connect；11 feet of U3 are connect with 1 foot of temperature sensor U4,5 feet and U4 of U3
The connection of 2 feet, 8 feet of U2 are connect by triode Q1 with 7 feet of resistance R4 and WIFI module, 8 feet of U2 and the collector of Q1
Connection, the emitter connection of resistance R4 and Q1,7 feet of U3 are connect with resistance R4；
14 feet of U1 are connected by 1 foot of resistance R16 and U3, and 19 feet of U1 are connected by 11 feet of resistance R6 and U3, U3
20 feet connected by 11 feet of concatenated resistance R5, R6 and U3,18 feet of U1 are connected by 5 feet of resistance R7 and U3.
Further, in the power supply monitoring modular, 1 foot of U1 is connect with 5 feet of interface P1,2 feet of U1 and 8 feet of P1
Connection, 3 feet of U1 and 7 feet of P1 connect, and 4 feet of U1 and 10 feet of P1 connect, and 5 feet of U1 and 9 feet of P1 connect, 93 feet of U1
It is connect with 2 feet of P1,95 feet of U1 and 1 foot of P1 connect, and 96 feet of U1 and 4 feet of P1 connect, and 97 feet of U1 and 3 feet of P1 connect
It connects, 98 feet of U1 and 6 feet of P1 connect；42 feet of U1,43 feet, 44 feet, 45 feet, 46 feet respectively with 1 foot of interface J1,2 feet, 3
Foot, 4 feet, the connection of 5 feet；6 feet of U1 are connect with 1 foot of cell voltage P3, the 2 feet ground connection of P3；21 feet of U1 by resistance R10 with
Power vd DA connection；22 feet of U1 are connect with VDDA；27 feet of U1 are grounded, and 28 feet of U1 are connect with VDD33；19 feet of U1 and 20
Foot is grounded；50 feet of U1 are connect with VDD33；74 feet of U1 are grounded, and 75 feet of U1 are connect with VDD33, the 99 feet ground connection of U1, U1
100 feet connect with VDD33；70 feet of U1 are connect with 2 feet of USB connector P2 by resistance R1, and 71 feet of U1 pass through resistance
3 feet of R2 and P2 connect, and 1 foot of P2 is connect by inductance L1 with 5V power supply；78 feet of U1 and the 9 of SD/MMC card physical interface P4
Foot connection, 79 feet of U1 and 1 foot of P4 connect, and 83 feet of U1 and 2 feet of P4 connect, and 80 feet of U1 and 5 feet of P4 connect, U1's
The connection of 7 feet of 65 feet and P4,66 feet of U1 and 8 feet of P4 connect；12 feet of U1 are connect with 13 feet by crystal oscillator Y2,8 feet of U1
It is connect with 9 feet by crystal oscillator Y1；90 feet of U1 are connect with 3 feet of interface P5, and 77 feet of U1 and 5 feet of P5 connect, 72 feet of U1
It is connect with 7 feet of P5,76 feet of U1 and 9 feet of P5 connect, and 89 feet of U1 and 13 feet of P5 connect, 14 feet of U1 and 15 feet of P5
Connection；14 feet of U1 pass through the reset circuit that the reset switch, capacitor C27, resistance R32 being sequentially connected in series are constituted and connect with VCC3V；
7 feet of the USB switching chip U10 are connect with 3 feet of USB interface P6, and 8 feet of U10 and 2 feet of P6 connect；U12
13 feet connect with 1 foot of communication interface J2,14 feet of U12 are connect by resistance R37 with 2 feet of communication interface J2；
In the power supply switching module, 6 feet of U1 are connect with cell voltage VBAT, and 7 feet of U1 pass through resistance R3 and two poles
12 feet of pipe D1 connection, U1 are connect by crystal oscillator Y2 with 13 feet, and 8 feet of U1 are connect by crystal oscillator with 9 feet, and 14 feet of U1 pass through string
The reset circuit that reset switch SR1, capacitor C27, the resistance R32 of connection are constituted is connect with power supply VCC3V, and 19 feet and 20 feet of U1 are equal
Ground connection, 22 feet of U1 are connect with power vd DA, and the 27 feet ground connection of U1,28 feet of U1 are connect with VDD33, and 37 feet of U1 pass through resistance
R4 ground connection, 50 feet of U1 are connect with power vd D33, and 94 feet of U1 are connect by resistance R5 with power supply VCC3.3V, and 94 feet of U1 are logical
Resistance R6 ground connection is crossed, 70 feet of U1 are connect by resistance R1 with 2 feet of USB connector P2, and 71 feet of U1 pass through resistance R2 and P2
The connection of 3 feet, 90 feet, 77 feet, 72 feet, 76 feet, 89 feet of U1 connect with 3 feet of interface P5,5 feet, 7 feet, 9 feet, 13 feet respectively；
7 feet, 8 feet of U10 are connect with 3 feet of USB connector P6,2 feet respectively；13 feet of U12 are connect with 1 foot of communication interface J2, U12
14 feet connect with 2 feet of communication interface J2 by resistance R37；2 feet of U35 are connected by resistance R45, R44 and power supply VCC3.3V
It connects, the collector of Q12 is connect by resistance R44 with power supply VCC3.3V, and the base stage of triode Q12 passes through resistance R42 and capacitor
The parallel circuit that C45 is constituted is connect with 1 foot of rectifier bridge D5, and firewire L1 passes through 2 feet of resistance R48, R47, R46 and rectifier bridge D5
Connection；Firewire L1 is connect with firewire L2 by contactor；Firewire L2 passes through concatenated resistance R54, R53, R52 and rectifier bridge D6
1 foot of the connection of 2 feet, rectifier bridge D6 is connect with the parallel circuit that capacitor C47 is constituted with the base stage of triode Q13 by resistance R50,
The collector of Q13 is connect with power supply VCC3.3V, and the emitter of Q13 is connected by 2 feet of resistance R56 and U36；3 feet of U19 are logical
Concatenated resistance R91, R89 and power supply AVDD5 connection are crossed, 3 feet of U19 pass through concatenated resistance R91, capacitor C49 and firewire L1
Connection；53 feet of U1 and the base stage of triode connect, and 53 feet of U1 are connected by the emitter of resistance R78 and Q15, relay
LS11 foot is connected by the collector of diode D14 and Q15, and 2 feet of LS1 and the collector of Q15 connect, and 1 foot of LS1 is connected with
5V power supply, 3 feet of LS1 are connect with 2 feet of thumb-acting switch P25, and 1 foot of 4 feet of LS1 and P25 connect, and the 3 of 5 feet of LS1 and P25
Foot connection；15 feet of U44 pass through concatenated by concatenated resistance R224, capacitor C194, capacitor C192 ground connection, 10 feet of U44
Resistance R225, capacitor C193, C192 ground connection；16 feet of U44,11 feet, 9 feet respectively with 1 foot of transformer outlet J10,3 feet, 6 feet
Connection；4 feet and 5 feet of J10 are grounded by concatenated resistance R226, capacitor C195, C192, and 7 feet of J10 pass through with 8 feet connects
Resistance R223, capacitor C191, C192 ground connection, 67 feet of U1 are connect by resistance R62 with 3 feet of crystal oscillator Y5, and 24 feet of U1 lead to
3 feet for crossing resistance R108 and crystal oscillator connect, and 67 feet of U1 are connected by 1 foot of concatenated resistance R62, capacitor C174, C175 and Y5
It connects, 24 feet of U1 are connected by 1 foot of concatenated resistance R108, capacitor C174, C175 and crystal oscillator Y5, and 2 feet and 4 feet of Y5 connect
Ground；
In the wireless module, 2 feet of the U2,3 feet, 4 feet, 5 feet, 6 feet, 7 feet respectively with 1 foot of connector J1,2
Foot, 3 feet, 4 feet, 5 feet, the connection of 6 feet；11 feet, 5 feet of U3 are connect with 2 feet of connector J2,3 feet respectively, 11 feet, 5 feet point of U3
Not Tong Guo resistance R2, R3 and power supply EVM3V3 connection, 4 feet of J2 be connected with power supply EVM5V0；15 feet of U1 by resistance R13 with
Power supply EVM3V3 connection, is grounded by resistance R15；14 feet of U1 pass through resistance R16 and the reset switch S1, the capacitor that are sequentially connected in series
The reset circuit that C16, resistance R22 are constituted is connect with power supply EVM3V3；14 feet of U1 are connected by 4 feet of resistance R17 and U3；U1
12 feet connect with power supply EVM3V3 by resistance R19, be grounded by resistance R25；11 feet of U1 pass through resistance R20 and power supply
EVM3V3 connection, is grounded by resistance R23；10 feet of U1 are connect by resistance R21 with power supply EVM3V3, are connect by resistance R26
Ground；3 feet of U5 are connect with power supply EVM5V0, and 5 feet are connect with power supply EVM5V0,2 feet ground connection；28 feet of U1,27 feet, 26 feet difference
Parallel circuit, C3, the resistance R1 being made up of C1 and C2 are grounded；4 feet of U1 are connect with 5 feet by capacitor C4,2 feet of U1 and 3
Foot is connected by capacitor C7；10 feet, 12 feet, 13 feet, 14 feet of U3 are connected separately with diode D5, D4, D3, D2；10 feet of U3
It is grounded by resistance R34；8 feet of U4 are connect with power supply EVM3V3, and 5 feet, 6 feet, 7 feet of U4 pass through resistance R10, R9, R8 respectively
It is connect with power supply EVM3V3,5 feet, 6 feet, 7 feet of U4 pass through resistance R12, R11, R14 ground connection respectively；1 foot of U7 passes through with 3 feet
Capacitor C13 connection, 4 feet are connect with 5 feet by capacitor C15；10 feet of U7 are grounded by resistance R28, and 15 feet ground connection, 8 feet pass through
Resistance R29 ground connection；13 feet of U7 are connect with 1 foot of connector J3, and 14 feet are connected by 2 feet of resistance R24 and J3；6 feet of U7
Pass through capacitor C14, C12 ground connection respectively with 2 feet, 16 feet are connect with power supply EVM3V3；3 feet of U4 by concatenated diode D6,
Resistance R18 is connect with power supply EVM3V3.
Further, in the power supply monitoring modular, model STM32F103, the U2 LM95071, U3 of the U1 is
SST25VF016B, U4 SST25VF016B, U5 TLV431ACDBZR, U6 K9K8G09U0A-PCB0, U7 are
MHC1608S121UA, U8 M24256BWP, U9 H11L1, U10 CH341T, U11 H11L1, U12 MAX3232EUE,
U13 is OPA335, and U14 OPA335, U15 OPA335, U16 OPA335, U17 OPA335, U18 OPA335, U19 are
OPA335, P1 CON2x5, P2 are USB-miniAB connector, and P3 VBAT, P4 SD/MMCCARD, P5 are
CON2x10, P6 are USB-miniAB connector, P7, P8, P9 VBAT, J1 CON2x3, J2 RS-232；
In the power supply switching module, U1 STM32F103, U5 TLV431ACDBZR, U7 MHC1608S121UA,
U9 is H11L1, and U10 CH341T, U11 H11L1, U12 MAX3232EUE, U35 SN74LVC1G07DBVR, U36 are
SN74LVC1G07DBVR, U19 OPA335, U44 15FB36CNLPOE, U181 DP83848K；P2 is USB-miniAB
Connector, P3 VBAT, P5 CON2x10, P6 are USB-miniAB connector, P25 24VX, J2 RS-232,
J10 is RJ451*1PORTTABUPLED, LS1 JZC-32F-05-ZS3；
In the wireless module, U1 SSD1306OLED, U2 HFD4/5-S, U3 ESP8266-07, U4 are
LM75AD, U5 OPA336, U7 MAX3232EUE, J1 3.81mm-1*6, J2 PH2.01*4180DIP.
The invention has the benefit that
The IC integrated circuit in power supply monitoring modular through the invention, can be effectively prevented in the use process of large screen
The suddenly change for being frequently encountered power circuit, which causes the normal display of screen to go wrong, can even directly contribute the damage of screen
Bad problem, while the circuit of large screen can be monitored in real time, acutely becoming occur in voltage or electric current in discovery circuit
It is handled in time when change.
The detection of U13, U14 leakage current, may determine that whether there is leakage current in phase line by L7 mutual inductor, and can be with
The small-signal that mutual inductor is brought amplifies, filters and level conversion, by the respective value of leakage current be sent into single-chip microcontroller into
Row judgement.
Power supply switching module through the invention, can be effectively prevented and be frequently encountered power supply in the use process of large screen
The suddenly change of circuit, which causes the normal display of screen to go wrong, can even directly contribute the damage of screen.When a certain power supply goes out
When existing problem, it can be rapidly switched to another backup power source, guarantee the normal operation of large screen.
Wireless module through the invention, do not need by connection external network box come obtain Internet resources or and its
The problem of he is wirelessly connected screen, and TV itself can be able to solve networking.
Detailed description of the invention
Fig. 1 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 2 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 3 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 4 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 5 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 6 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 7 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 8 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Fig. 9 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 10 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 11 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 12 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 13 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 14 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 15 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 16 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 17 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 18 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 19 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 20 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 21 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 22 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 23 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 24 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 25 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 26 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 27 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 28 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 29 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 30 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 31 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 32 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Figure 33 is a kind of partial integrated circuits figure of specific embodiment of the present invention.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawing.
Fig. 1-Figure 33 is participated in, a kind of intelligent large screen system of this preferred embodiments, includes screen ontology, the screen
Ontology is connected with power supply monitoring modular, and the power supply monitoring modular is connected separately with power supply switching module and wireless module, institute
Stating power supply detection module includes data receiver memory module and detection of electrical leakage module；
The data receiver memory module includes microcontroller U1, temperature sensor U2, serial flash U3, serial flash
U4, reference voltage U5, mass storage U6, memory U8, photoelectrical coupler U9, USB switching chip U10, photoelectrical coupler
U11, transceiver U12；1 foot, 3 feet and 4 feet of the temperature sensor U2 respectively with 29 feet of microcontroller U1,32 feet and
30 feet connection, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 respectively with 29 feet of microcontroller U1,31 feet, 32 feet with
And 30 foot connections, 1 foot of the serial flash U4,2 feet, 5 feet, 6 feet respectively with 51 feet of microcontroller U1,53 feet, 54 feet with
And 52 foot connections, 2 feet of reference voltage U5 are connected by 21 feet of shunt capacitance C12, C13 and microcontroller U1, the capacitor
C12 is grounded with capacitor C13, and 6 feet and 7 feet of mass storage U6 pass through series resistance R16, R17 and microcontroller respectively
87 feet of U1 connect, and 9 feet, 10 feet of mass storage U6 pass through resistance R18, R19 respectively and 88 feet of microcontroller U1 connect
It connects, 8 feet, 16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 of mass storage U6
Foot, 44 feet respectively with 85 feet of microcontroller U1,59 feet, 60 feet, 86 feet, 84 feet, 61 feet, 62 feet, 81 feet, 82 feet, 38 feet, 39
Foot, 40 feet, the connection of 41 feet, 5 feet, 6 feet of memory U8 are connect with 48 feet of microcontroller U1,47 feet respectively, the photoelectricity coupling
2 feet of clutch U9 are connect by resistance R34 with capacitor C33 with 68 feet of microcontroller U1, and the resistance R34 and capacitor C33 are simultaneously
3 feet of connection, USB switching chip U10 are connect by resistance R35, capacitor C34 with 2 feet of photoelectrical coupler U11, the resistance R35
It is in parallel with capacitor C34, USB switching chip U10 4 feet connect with 4 feet of photoelectrical coupler U9,11 feet of transceiver U12 with it is micro-
55 feet of controller U1 connect, and 12 feet of transceiver U12 are connect by resistance R38 with 56 feet of microcontroller U1；
The detection of electrical leakage module includes operational amplifier U13, operational amplifier U14, operational amplifier U15, operation
Amplifier U16, operational amplifier U17, operational amplifier U18, operational amplifier U19,6 feet of the operational amplifier U13 with
3 feet of operational amplifier U14 are connected by capacitor C48, and 6 feet of the operational amplifier U14 and 26 feet of microcontroller U1 connect
It connects, 3 feet of the operational amplifier U13 pass through resistance R50, R47 and analog power AVDD5 connection, the resistance R50 and resistance
R47 series connection；3 feet of the U13 are connect by resistance R50, capacitor C52 with 1 foot of inductance L7, and 2 feet of inductance L7 pass through resistance
The 3 feet connection of R54, resistance R50 and U13；1 foot of L7 is grounded by 2 feet of capacitor C52, resistance R47 and power supply AVDD5, L7；
6 feet of the operational amplifier U16 are connect with 33 feet of microcontroller U1 by resistance R60, R61 and R62, the resistance R60,
R61 is sequentially connected in series with R62, and 3 feet of the operational amplifier U16 are connected by resistance R66 and capacitor C60 and input voltage Viin1
It connects, capacitor C60 is parallel with resistance R68, and resistance R66 connects with capacitor C60；6 feet and microcontroller of the operational amplifier U18
34 feet pass through resistance R78, R79, R80 and connect, described resistance R78, R79, R80 series connection, 3 feet of the operational amplifier U18
It is connect by resistance R82 with capacitor C68 with input voltage Viin1, capacitor C68 is parallel with resistance R84, resistance R84 and capacitor C68
Series connection；2 feet of the operational amplifier U15 are connect by resistance R41 with C47 with 15 feet of microcontroller U1, operational amplifier
2 feet of U15 are connected by 16 feet of capacitor C49, C50 and microcontroller, and 2 feet of operational amplifier U15 pass through capacitor C49, electricity
17 feet for hindering R55 and microcontroller connect, and 6 feet of operational amplifier U15 are connected by 16 feet of capacitor C50 and microcontroller U1
Connect, 6 feet of operational amplifier U15 connects by resistance R55 with 17 feet of microcontroller U1,2 feet of U15 pass through resistance R48 and
Input voltage Viin connection, 6 feet of U15 pass through the resistance R48 being sequentially connected in series and connect with resistance R49 with input voltage Vi in,
6 feet of U15 are sequentially connected in series resistance R41, capacitor C47 and microcontroller U1 by the parallel circuit that resistance R49 and capacitor C49 is constituted
15 feet connection；
24 feet of U1 pass through resistance R98, R94, R90, R88 for being sequentially connected in series and zero curve connects, and 92 feet of U1 are by successively
Concatenated resistance R101, R99, R97, R92 and zero curve connect；
18 feet that 2 feet of operational amplifier U17 pass through resistance R63, the capacitor C56 and microcontroller U1 that are sequentially connected in series connect
It connects, 6 feet of U17 are sequentially connected in series resistance R63 by the parallel circuit that resistance R71, C62 are constituted, 18 feet of capacitor C56 and U1 connect
It connects, 6 feet of U17 are connected by 23 feet of capacitor C64 and U1, the parallel connection electricity that 2 feet of U17 are made up of capacitor C62, resistance R71
23 feet of road series capacitance C64 and U1 connect；
25 feet of 6 feet of operational amplifier U19 and U1 connect, 3 feet of U19 by resistance R91 connect a capacitor C72 with
24 feet of parallel circuit and U1 that resistance R96 is constituted connect, and 2 feet of U19 pass through the parallel circuit that capacitor C70, resistance R87 are constituted
It being connect with 25 feet of U1,3 feet of U19 are connected by 25 feet of capacitor C71, resistance the R93 parallel circuit constituted and U1, and the 6 of U19
Foot is connect with the parallel circuit that resistance R93 is constituted with resistance R91 by capacitor C71；
The power supply switching module includes data processing module, data transmission module and switching module, at the data
Reason module includes microcontroller U1, reference voltage source U5, photoelectrical coupler U9, U11, USB switching chip U10, transceiver
U12, the switching module include single channel phase inverter U35, single channel phase inverter U36, operational amplifier U19, the data transmission
Module includes Surge Protector U55, network transformer U44, network controller U181；
2 feet of the microcontroller reference voltage source U5 are connect with 21 feet of microcontroller U1, the photoelectrical coupler U9
2 feet connect with 68 feet of microcontroller U1 by resistance R34, transfer 4 feet of chip U10 of 4 feet of U9 and USB are connect, described
4 feet of photoelectrical coupler U11 are connect with 69 feet of microcontroller U1, and 2 feet of U11 are connect with 3 feet of USB switching chip U10；Institute
11 feet for stating transceiver U12 are connect with 55 feet of microcontroller U1, and 12 feet of U12 pass through the 56 of resistance R38 and microcontroller U1
Foot connection；
4 feet of the single channel phase inverter U35 are connected by 62 feet of resistance R63 and U1, and the 4 of the single channel phase inverter U36
Foot is connect by resistance 64 with 61 feet of microcontroller U1；6 feet of the operational amplifier U19 and 23 feet of microcontroller U1 connect
It connects；
1 foot of the network transformer U44 is connect with 15 feet of network controller U181,3 feet of U44 and 14 feet of U181
12 feet of connection, 6 feet of U44 and U181 connect, and 8 feet of U44 and 11 feet of U181 connect, 3 feet of U181 by resistance R59 with
48 feet of U1 connect, and 4 feet of U181 and 51 feet of U1 connect, and 5 feet of U181 and 52 feet of U1 connect, 23 feet of U181 and U1's
The connection of 15 feet, 25 feet of U181 and 16 feet of U1 connect, and 24 feet of U181 and 25 feet of U1 connect, and 33 feet of U181 pass through resistance
32 feet of R29 and U1 connect, and 36 feet, 37 feet of U181 pass through 33 feet of resistance R28, R222 and U1, the connection of 34 feet respectively；Surge
1 foot, 6 feet, 3 feet, 4 feet of protector U55 are connect with 15 feet of U181,14 feet, 12 feet, 11 feet respectively；
The wireless module includes LCD MODULE U1, relay U2, WIFI module U3, temperature sensor U4, fortune
Calculate amplifier U5, transceiver U7；
8 feet of relay U2 are connect with 7 feet of wifi module U3, and 1 foot of the temperature sensor U4 and 11 feet of U3 connect
It connects, 2 feet of U4 and 5 feet of U3 connect, and 1 foot of operational amplifier U5 and 2 feet of U3 connect, 11 feet and U3 of the transceiver U7
The connection of 16 feet, 15 feet of 12 feet of U7 and U3 connect；11 feet of U3 are connect with 1 foot of temperature sensor U4,5 feet and U4 of U3
The connection of 2 feet, 8 feet of U2 are connect by triode Q1 with 7 feet of resistance R4 and WIFI module, 8 feet of U2 and the collector of Q1
Connection, the emitter connection of resistance R4 and Q1,7 feet of U3 are connect with resistance R4；
14 feet of U1 are connected by 1 foot of resistance R16 and U3, and 19 feet of U1 are connected by 11 feet of resistance R6 and U3, U3
20 feet connected by 11 feet of concatenated resistance R5, R6 and U3,18 feet of U1 are connected by 5 feet of resistance R7 and U3.
In the power supply monitoring modular, 1 foot of U1 is connect with 5 feet of interface P1, and 2 feet of U1 and 8 feet of P1 connect, U1's
The connection of 7 feet of 3 feet and P1,4 feet of U1 and 10 feet of P1 connect, and 5 feet of U1 and 9 feet of P1 connect, 93 feet of U1 and 2 feet of P1
Connection, 95 feet of U1 and 1 foot of P1 connect, and 96 feet of U1 and 4 feet of P1 connect, and 97 feet of U1 and 3 feet of P1 connect, and the 98 of U1
The connection of 6 feet of foot and P1；42 feet of U1,43 feet, 44 feet, 45 feet, 46 feet respectively with 1 foot of interface J1,2 feet, 3 feet, 4 feet, 5 feet
Connection；6 feet of U1 are connect with 1 foot of cell voltage P3, the 2 feet ground connection of P3；21 feet of U1 are connected by resistance R10 and power vd DA
It connects；22 feet of U1 are connect with VDDA；27 feet of U1 are grounded, and 28 feet of U1 are connect with VDD33；19 feet of U1 are grounded with 20 feet；
50 feet of U1 are connect with VDD33；74 feet of U1 are grounded, and 75 feet of U1 connects with VDD33, and 99 feet of U1 are grounded, 100 feet of U1 and
VDD33 connection；70 feet of U1 are connect with 2 feet of USB connector P2 by resistance R1, and 71 feet of U1 pass through the 3 of resistance R2 and P2
1 foot of foot connection, P2 is connect by inductance L1 with 5V power supply；78 feet of U1 are connect with 9 feet of SD/MMC card physical interface P4, U1
79 feet and 1 foot of P4 connect, 2 feet of 83 feet of U1 and P4 connect, and 80 feet of U1 and 5 feet of P4 connect, 65 feet and P4 of U1
The connection of 7 feet, 8 feet of 66 feet of U1 and P4 connect；12 feet of U1 are connect with 13 feet by crystal oscillator Y2, and 8 feet and 9 feet of U1 pass through
Crystal oscillator Y1 connection；90 feet of U1 are connect with 3 feet of interface P5, and 77 feet of U1 and 5 feet of P5 connect, 72 feet of U1 and 7 feet of P5
Connection, 76 feet of U1 and 9 feet of P5 connect, and 89 feet of U1 and 13 feet of P5 connect, and 14 feet of U1 and 15 feet of P5 connect；U1's
14 feet pass through the reset circuit that the reset switch, capacitor C27, resistance R32 being sequentially connected in series are constituted and connect with VCC3V；
7 feet of the USB switching chip U10 are connect with 3 feet of USB interface P6, and 8 feet of U10 and 2 feet of P6 connect；U12
13 feet connect with 1 foot of communication interface J2,14 feet of U12 are connect by resistance R37 with 2 feet of communication interface J2；
In the power supply switching module, 6 feet of U1 are connect with cell voltage VBAT, and 7 feet of U1 pass through resistance R3 and two poles
12 feet of pipe D1 connection, U1 are connect by crystal oscillator Y2 with 13 feet, and 8 feet of U1 are connect by crystal oscillator with 9 feet, and 14 feet of U1 pass through string
The reset circuit that reset switch SR1, capacitor C27, the resistance R32 of connection are constituted is connect with power supply VCC3V, and 19 feet and 20 feet of U1 are equal
Ground connection, 22 feet of U1 are connect with power vd DA, and the 27 feet ground connection of U1,28 feet of U1 are connect with VDD33, and 37 feet of U1 pass through resistance
R4 ground connection, 50 feet of U1 are connect with power vd D33, and 94 feet of U1 are connect by resistance R5 with power supply VCC3.3V, and 94 feet of U1 are logical
Resistance R6 ground connection is crossed, 70 feet of U1 are connect by resistance R1 with 2 feet of USB connector P2, and 71 feet of U1 pass through resistance R2 and P2
The connection of 3 feet, 90 feet, 77 feet, 72 feet, 76 feet, 89 feet of U1 connect with 3 feet of interface P5,5 feet, 7 feet, 9 feet, 13 feet respectively；
7 feet, 8 feet of U10 are connect with 3 feet of USB connector P6,2 feet respectively；13 feet of U12 are connect with 1 foot of communication interface J2, U12
14 feet connect with 2 feet of communication interface J2 by resistance R37；2 feet of U35 are connected by resistance R45, R44 and power supply VCC3.3V
It connects, the collector of Q12 is connect by resistance R44 with power supply VCC3.3V, and the base stage of triode Q12 passes through resistance R42 and capacitor
The parallel circuit that C45 is constituted is connect with 1 foot of rectifier bridge D5, and firewire L1 passes through 2 feet of resistance R48, R47, R46 and rectifier bridge D5
Connection；Firewire L1 is connect with firewire L2 by contactor；Firewire L2 passes through concatenated resistance R54, R53, R52 and rectifier bridge D6
1 foot of the connection of 2 feet, rectifier bridge D6 is connect with the parallel circuit that capacitor C47 is constituted with the base stage of triode Q13 by resistance R50,
The collector of Q13 is connect with power supply VCC3.3V, and the emitter of Q13 is connected by 2 feet of resistance R56 and U36；3 feet of U19 are logical
Concatenated resistance R91, R89 and power supply AVDD5 connection are crossed, 3 feet of U19 pass through concatenated resistance R91, capacitor C49 and firewire L1
Connection；53 feet of U1 and the base stage of triode connect, and 53 feet of U1 are connected by the emitter of resistance R78 and Q15, relay
LS11 foot is connected by the collector of diode D14 and Q15, and 2 feet of LS1 and the collector of Q15 connect, and 1 foot of LS1 is connected with
5V power supply, 3 feet of LS1 are connect with 2 feet of thumb-acting switch P25, and 1 foot of 4 feet of LS1 and P25 connect, and the 3 of 5 feet of LS1 and P25
Foot connection；15 feet of U44 pass through concatenated by concatenated resistance R224, capacitor C194, capacitor C192 ground connection, 10 feet of U44
Resistance R225, capacitor C193, C192 ground connection；16 feet of U44,11 feet, 9 feet respectively with 1 foot of transformer outlet J10,3 feet, 6 feet
Connection；4 feet and 5 feet of J10 are grounded by concatenated resistance R226, capacitor C195, C192, and 7 feet of J10 pass through with 8 feet connects
Resistance R223, capacitor C191, C192 ground connection.67 feet of U1 are connect by resistance R62 with 3 feet of crystal oscillator Y5, and 24 feet of U1 are logical
3 feet for crossing resistance R108 and crystal oscillator connect, and 67 feet of U1 are connected by 1 foot of concatenated resistance R62, capacitor C174, C175 and Y5
It connects, 24 feet of U1 are connected by 1 foot of concatenated resistance R108, capacitor C174, C175 and crystal oscillator Y5, and 2 feet and 4 feet of Y5 connect
Ground；
In the wireless module, 2 feet of the U2,3 feet, 4 feet, 5 feet, 6 feet, 7 feet respectively with 1 foot of connector J1,2
Foot, 3 feet, 4 feet, 5 feet, the connection of 6 feet；11 feet, 5 feet of U3 are connect with 2 feet of connector J2,3 feet respectively, 11 feet, 5 feet point of U3
Not Tong Guo resistance R2, R3 and power supply EVM3V3 connection, 4 feet of J2 be connected with power supply EVM5V0；15 feet of U1 by resistance R13 with
Power supply EVM3V3 connection, is grounded by resistance R15；14 feet of U1 pass through resistance R16 and the reset switch S1, the capacitor that are sequentially connected in series
The reset circuit that C16, resistance R22 are constituted is connect with power supply EVM3V3；14 feet of U1 are connected by 4 feet of resistance R17 and U3；U1
12 feet connect with power supply EVM3V3 by resistance R19, be grounded by resistance R25；11 feet of U1 pass through resistance R20 and power supply
EVM3V3 connection, is grounded by resistance R23；10 feet of U1 are connect by resistance R21 with power supply EVM3V3, are connect by resistance R26
Ground；3 feet of U5 are connect with power supply EVM5V0, and 5 feet are connect with power supply EVM5V0,2 feet ground connection；28 feet of U1,27 feet, 26 feet difference
Parallel circuit, C3, the resistance R1 being made up of C1 and C2 are grounded；4 feet of U1 are connect with 5 feet by capacitor C4,2 feet of U1 and 3
Foot is connected by capacitor C7；10 feet, 12 feet, 13 feet, 14 feet of U3 are connected separately with diode D5, D4, D3, D2；10 feet of U3
It is grounded by resistance R34；8 feet of U4 are connect with power supply EVM3V3, and 5 feet, 6 feet, 7 feet of U4 pass through resistance R10, R9, R8 respectively
It is connect with power supply EVM3V3,5 feet, 6 feet, 7 feet of U4 pass through resistance R12, R11, R14 ground connection respectively；1 foot of U7 passes through with 3 feet
Capacitor C13 connection, 4 feet are connect with 5 feet by capacitor C15；10 feet of U7 are grounded by resistance R28, and 15 feet ground connection, 8 feet pass through
Resistance R29 ground connection；13 feet of U7 are connect with 1 foot of connector J3, and 14 feet are connected by 2 feet of resistance R24 and J3；6 feet of U7
Pass through capacitor C14, C12 ground connection respectively with 2 feet, 16 feet are connect with power supply EVM3V3；3 feet of U4 by concatenated diode D6,
Resistance R18 is connect with power supply EVM3V3.
In the power supply monitoring modular, model STM32F103, the U2 LM95071, U3 of the U1 is
SST25VF016B, U4 SST25VF016B, U5 TLV431ACDBZR, U6 K9K8G09U0A-PCB0, U7 are
MHC1608S121UA, U8 M24256BWP, U9 H11L1, U10 CH341T, U11 H11L1, U12 MAX3232EUE,
U13 is OPA335, and U14 OPA335, U15 OPA335, U16 OPA335, U17 OPA335, U18 OPA335, U19 are
OPA335, P1 CON2x5, P2 are USB-miniAB connector, and P3 VBAT, P4 SD/MMCCARD, P5 are
CON2x10, P6 are USB-miniAB connector, P7, P8, P9 VBAT, J1 CON2x3, J2 RS-232；
In the power supply switching module, U1 STM32F103, U5 TLV431ACDBZR, U7 MHC1608S121UA,
U9 is H11L1, and U10 CH341T, U11 H11L1, U12 MAX3232EUE, U35 SN74LVC1G07DBVR, U36 are
SN74LVC1G07DBVR, U19 OPA335, U44 15FB36CNLPOE, U181 DP83848K；P2 is USB-miniAB
Connector, P3 VBAT, P5 CON2x10, P6 are USB-miniAB connector, P25 24VX, J2 RS-232,
J10 is RJ451*1PORTTABUPLED, LS1 JZC-32F-05-ZS3；
In the wireless module, U1 SSD1306OLED, U2 HFD4/5-S, U3 ESP8266-07, U4 are
LM75AD, U5 OPA336, U7 MAX3232EUE, J1 3.81mm-1*6, J2 PH2.01*4180DIP.
The IC integrated circuit in power supply monitoring modular through the invention, can be effectively prevented in the use process of large screen
The suddenly change for being frequently encountered power circuit, which causes the normal display of screen to go wrong, can even directly contribute the damage of screen
Bad problem, while the circuit of large screen can be monitored in real time, acutely becoming occur in voltage or electric current in discovery circuit
It is handled in time when change.
The detection of U13, U14 leakage current, may determine that whether there is leakage current in phase line by L7 mutual inductor, and can be with
The small-signal that mutual inductor is brought amplifies, filters and level conversion, by the respective value of leakage current be sent into single-chip microcontroller into
Row judgement.
Power supply switching module through the invention, can be effectively prevented and be frequently encountered power supply in the use process of large screen
The suddenly change of circuit, which causes the normal display of screen to go wrong, can even directly contribute the damage of screen.When a certain power supply goes out
When existing problem, it can be rapidly switched to another backup power source, guarantee the normal operation of large screen.
Wireless module through the invention, do not need by connection external network box come obtain Internet resources or and its
The problem of he is wirelessly connected screen, and TV itself can be able to solve networking.
Claims (3)
1. a kind of intelligence large screen system, includes screen ontology, it is characterised in that: the screen ontology is connected with for pyroelectric monitor
Module, the power supply monitoring modular are connected separately with power supply switching module and wireless module, and the power supply detection module includes
There are data receiver memory module and detection of electrical leakage module；
The data receiver memory module include microcontroller U1, temperature sensor U2, serial flash U3, serial flash U4,
Reference voltage U5, mass storage U6, memory U8, photoelectrical coupler U9, USB switching chip U10, photoelectrical coupler U11,
Transceiver U12；1 foot, 3 feet and 4 feet of the temperature sensor U2 respectively with 29 feet of microcontroller U1,32 feet and 30 feet
Connection, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 respectively with 29 feet of microcontroller U1,31 feet, 32 feet and 30
Foot connection, 1 foot of the serial flash U4,2 feet, 5 feet, 6 feet respectively with 51 feet of microcontroller U1,53 feet, 54 feet and 52
Foot connection, 2 feet of reference voltage U5 are connected by 21 feet of shunt capacitance C12, C13 and microcontroller U1, the capacitor C12 with
Capacitor C13 is grounded, and 6 feet and 7 feet of mass storage U6 pass through the 87 of series resistance R16, R17 and microcontroller U1 respectively
Foot connection, 9 feet, 10 feet of mass storage U6 pass through resistance R18, R19 respectively and 88 feet of microcontroller U1 connect, great Rong
Measure 8 feet, 16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 feet, 44 feet point of memory U6
Not with 85 feet of microcontroller U1,59 feet, 60 feet, 86 feet, 84 feet, 61 feet, 62 feet, 81 feet, 82 feet, 38 feet, 39 feet, 40 feet,
The connection of 41 feet, 5 feet, 6 feet of memory U8 are connect with 48 feet of microcontroller U1,47 feet respectively, and the 2 of the photoelectrical coupler U9
Foot is connect by resistance R34 with capacitor C33 with 68 feet of microcontroller U1, and the resistance R34 is in parallel with capacitor C33, USB switching
3 feet of chip U10 are connect by resistance R35, capacitor C34 with 2 feet of photoelectrical coupler U11, the resistance R35 and capacitor C34
4 feet of parallel connection, USB switching chip U10 are connect with 4 feet of photoelectrical coupler U9, and 11 feet of transceiver U12 are with microcontroller U1's
12 feet of the connection of 55 feet, transceiver U12 are connect by resistance R38 with 56 feet of microcontroller U1；
The detection of electrical leakage module includes operational amplifier U13, operational amplifier U14, operational amplifier U15, operation amplifier
Device U16, operational amplifier U17, operational amplifier U18, operational amplifier U19,6 feet of the operational amplifier U13 and operation
3 feet of amplifier U14 are connected by capacitor C48, and 6 feet of the operational amplifier U14 are connect with 26 feet of microcontroller U1, institute
3 feet for stating operational amplifier U13 are gone here and there by resistance R50, R47 and analog power AVDD5 connection, the resistance R50 and resistance R47
Connection；3 feet of the U13 are connect by resistance R50, capacitor C52 with 1 foot of inductance L7, and 2 feet of inductance L7 pass through resistance R54, electricity
Hinder the 3 feet connection of R50 and U13；1 foot of L7 is grounded by 2 feet of capacitor C52, resistance R47 and power supply AVDD5, L7；The fortune
Calculate amplifier U16 6 feet connect with 33 feet of microcontroller U1 by resistance R60, R61 and R62, described resistance R60, R61 and
R62 is sequentially connected in series, and 3 feet of the operational amplifier U16 are connect by resistance R66 with capacitor C60 with input voltage Viin1, electricity
Hold C60 and be parallel with resistance R68, resistance R66 connects with capacitor C60；The 34 of 6 feet of the operational amplifier U18 and microcontroller
Foot is connected by resistance R78, R79, R80, and resistance R78, R79, R80 series connection, 3 feet of the operational amplifier U18 pass through
Resistance R82 is connect with capacitor C68 with input voltage Viin1, and capacitor C68 is parallel with resistance R84, resistance R84 and capacitor C68 string
Connection；2 feet of the operational amplifier U15 are connect by resistance R41 with C47 with 15 feet of microcontroller U1, operational amplifier U15
2 feet connected by 16 feet of capacitor C49, C50 and microcontroller, 2 feet of operational amplifier U15 pass through capacitor C49, resistance
6 feet of the connection of 17 feet of R55 and microcontroller, operational amplifier U15 are connect by capacitor C50 with 16 feet of microcontroller U1,
6 feet of operational amplifier U15 are connect by resistance R55 with 17 feet of microcontroller U1, and 2 feet of U15 pass through resistance R48 and input
Voltage Viin connection, 6 feet of U15 pass through the resistance R48 being sequentially connected in series and connect with resistance R49 with input voltage Viin, and the 6 of U15
Foot is sequentially connected in series 15 feet of resistance R41, capacitor C47 Yu microcontroller U1 by the parallel circuit that resistance R49 and capacitor C49 is constituted
Connection；
24 feet of U1 pass through resistance R98, R94, R90, R88 for being sequentially connected in series and zero curve connects, and 92 feet of U1 are by being sequentially connected in series
Resistance R101, R99, R97, R92 and zero curve connect；
2 feet of operational amplifier U17 pass through resistance R63, the capacitor C56 being sequentially connected in series and connect with 18 feet of microcontroller U1, U17
6 feet by the parallel circuit that resistance R71, C62 are constituted be sequentially connected in series resistance R63, capacitor C56 and U1 18 feet connect, U17's
6 feet are connected by 23 feet of capacitor C64 and U1, the parallel circuit in series electricity that 2 feet of U17 are made up of capacitor C62, resistance R71
Hold the 23 feet connection of C64 and U1；
6 feet of operational amplifier U19 and 25 feet of U1 connect, and 3 feet of U19 pass through resistance R91 one capacitor C72 of series connection and resistance
24 feet of parallel circuit and U1 that R96 is constituted connect, and 2 feet of U19 pass through parallel circuit and U1 that capacitor C70, resistance R87 are constituted
The connection of 25 feet, 3 feet of U19 are connected by 25 feet of capacitor C71, resistance the R93 parallel circuit constituted and U1, and 6 feet of U19 are logical
It crosses capacitor C71 and is connect with the parallel circuit that resistance R93 is constituted with resistance R91；
The power supply switching module includes data processing module, data transmission module and switching module, the data processing mould
Block includes microcontroller U1, reference voltage source U5, photoelectrical coupler U9, U11, USB switching chip U10, transceiver U12, institute
Stating switching module includes single channel phase inverter U35, single channel phase inverter U36, operational amplifier U19, the data transmission module packet
Surge Protector U55, network transformer U44, network controller U181 are included；
2 feet of the microcontroller reference voltage source U5 are connect with 21 feet of microcontroller U1,2 feet of the photoelectrical coupler U9
It is connect by resistance R34 with 68 feet of microcontroller U1,4 feet of U9 are connect with 4 feet of USB switching chip U10, the photoelectricity coupling
4 feet of clutch U11 are connect with 69 feet of microcontroller U1, and 2 feet of U11 are connect with 3 feet of USB switching chip U10；The transmitting-receiving
11 feet of device U12 are connect with 55 feet of microcontroller U1, and 12 feet of U12 are connect by resistance R38 with 56 feet of microcontroller U1；
4 feet of the single channel phase inverter U35 are connected by 62 feet of resistance R63 and U1, and 4 feet of the single channel phase inverter U36 are logical
Resistance 64 is crossed to connect with 61 feet of microcontroller U1；6 feet of the operational amplifier U19 are connect with 23 feet of microcontroller U1；
1 foot of the network transformer U44 is connect with 15 feet of network controller U181, and 3 feet of U44 and 14 feet of U181 connect
It connects, 6 feet of U44 and 12 feet of U181 connect, and 8 feet of U44 and 11 feet of U181 connect, and 3 feet of U181 pass through resistance R59 and U1
The connection of 48 feet, 51 feet of 4 feet of U181 and U1 connect, and 5 feet of U181 and 52 feet of U1 connect, the 15 of 23 feet of U181 and U1
Foot connection, 25 feet of U181 and 16 feet of U1 connect, and 24 feet of U181 and 25 feet of U1 connect, and 33 feet of U181 pass through resistance
32 feet of R29 and U1 connect, and 36 feet, 37 feet of U181 pass through 33 feet of resistance R28, R222 and U1, the connection of 34 feet respectively；Surge
1 foot, 6 feet, 3 feet, 4 feet of protector U55 are connect with 15 feet of U181,14 feet, 12 feet, 11 feet respectively；
The wireless module includes that LCD MODULE U1, relay U2, WIFI module U3, temperature sensor U4, operation are put
Big device U5, transceiver U7；
8 feet of relay U2 are connect with 7 feet of wifi module U3, and 1 foot of the temperature sensor U4 and 11 feet of U3 connect, U4
2 feet and 5 feet of U3 connect, 2 feet of 1 foot of operational amplifier U5 and U3 connect, the 16 of 11 feet of the transceiver U7 and U3
Foot connection, 12 feet of U7 and 15 feet of U3 connect；11 feet of U3 are connect with 1 foot of temperature sensor U4, and the 2 of 5 feet of U3 and U4
8 feet of foot connection, U2 are connect by triode Q1 with 7 feet of resistance R4 and WIFI module, and 8 feet of U2 and the collector of Q1 connect
It connects, the emitter connection of resistance R4 and Q1,7 feet of U3 are connect with resistance R4；
14 feet of U1 are connected by 1 foot of resistance R16 and U3, and 19 feet of U1 are connected by 11 feet of resistance R6 and U3, and the 20 of U3
Foot is connected by 11 feet of concatenated resistance R5, R6 and U3, and 18 feet of U1 are connected by 5 feet of resistance R7 and U3.
2. intelligence large screen system according to claim 1, it is characterised in that: in the power supply monitoring modular, 1 foot of U1
It is connect with 5 feet of interface P1,2 feet of U1 and 8 feet of P1 connect, and 3 feet of U1 and 7 feet of P1 connect, 4 feet of U1 and 10 feet of P1
Connection, 5 feet of U1 and 9 feet of P1 connect, and 93 feet of U1 and 2 feet of P1 connect, and 95 feet of U1 and 1 foot of P1 connect, and the 96 of U1
The connection of 4 feet of foot and P1,97 feet of U1 and 3 feet of P1 connect, and 98 feet of U1 and 6 feet of P1 connect；42 feet, 43 feet, 44 of U1
Foot, 45 feet, 46 feet are connect with 1 foot of interface J1,2 feet, 3 feet, 4 feet, 5 feet respectively；6 feet of U1 and 1 foot of cell voltage P3 connect
It connects, the 2 feet ground connection of P3；21 feet of U1 are connect by resistance R10 with power vd DA；22 feet of U1 are connect with VDDA；27 feet of U1
Ground connection, 28 feet of U1 are connect with VDD33；19 feet of U1 are grounded with 20 feet；50 feet of U1 are connect with VDD33；74 feet of U1 connect
75 feet on ground, U1 are connect with VDD33, and the 99 feet ground connection of U1,100 feet of U1 are connect with VDD33；70 feet and USB connector of U1
2 feet of P2 are connected by resistance R1, and 71 feet of U1 are connected by 3 feet of resistance R2 and P2, and 1 foot of P2 passes through inductance L1 and 5V electricity
Source connection；78 feet of U1 are connect with 9 feet of SD/MMC card physical interface P4, and 1 foot of 79 feet of U1 and P4 connect, 83 feet of U1 with
2 feet of P4 connect, and 80 feet of U1 and 5 feet of P4 connect, and 65 feet of U1 and 7 feet of P4 connect, and 66 feet of U1 and 8 feet of P4 connect
It connects；12 feet of U1 are connect with 13 feet by crystal oscillator Y2, and 8 feet of U1 are connect with 9 feet by crystal oscillator Y1；90 feet of U1 are with interface P5's
The connection of 3 feet, 77 feet of U1 and 5 feet of P5 connect, and 72 feet of U1 and 7 feet of P5 connect, and 76 feet of U1 and 9 feet of P5 connect, U1
89 feet and 13 feet of P5 connect, 15 feet of 14 feet of U1 and P5 connect；14 feet of U1 pass through reset switch, the electricity being sequentially connected in series
Hold the reset circuit that C27, resistance R32 are constituted to connect with VCC3V；
7 feet of the USB switching chip U10 are connect with 3 feet of USB interface P6, and 8 feet of U10 and 2 feet of P6 connect；The 13 of U12
Foot is connect with 1 foot of communication interface J2, and 14 feet of U12 are connect by resistance R37 with 2 feet of communication interface J2；
In the power supply switching module, 6 feet of U1 are connect with cell voltage VBAT, and 7 feet of U1 pass through resistance R3 and diode D1
12 feet of connection, U1 are connect by crystal oscillator Y2 with 13 feet, and 8 feet of U1 are connect by crystal oscillator with 9 feet, and 14 feet of U1 pass through concatenated
The reset circuit that reset switch SR1, capacitor C27, resistance R32 are constituted is connect with power supply VCC3V, and 19 feet and 20 feet of U1 connect
22 feet on ground, U1 are connect with power vd DA, and the 27 feet ground connection of U1,28 feet of U1 are connect with VDD33, and 37 feet of U1 pass through resistance R4
Ground connection, 50 feet of U1 are connect with power vd D33, and 94 feet of U1 are connect by resistance R5 with power supply VCC3.3V, and 94 feet of U1 pass through
70 feet of resistance R6 ground connection, U1 are connect by resistance R1 with 2 feet of USB connector P2, and 71 feet of U1 pass through the 3 of resistance R2 and P2
Foot connection, 90 feet, 77 feet, 72 feet, 76 feet, 89 feet of U1 are connect with 3 feet of interface P5,5 feet, 7 feet, 9 feet, 13 feet respectively；U10
7 feet, 8 feet connect with 3 feet of USB connector P6,2 feet respectively；13 feet of U12 are connect with 1 foot of communication interface J2, U12's
14 feet are connect by resistance R37 with 2 feet of communication interface J2；2 feet of U35 are connected by resistance R45, R44 and power supply VCC3.3V
It connects, the collector of Q12 is connect by resistance R44 with power supply VCC3.3V, and the base stage of triode Q12 passes through resistance R42 and capacitor
The parallel circuit that C45 is constituted is connect with 1 foot of rectifier bridge D5, and firewire L1 passes through 2 feet of resistance R48, R47, R46 and rectifier bridge D5
Connection；Firewire L1 is connect with firewire L2 by contactor；Firewire L2 passes through concatenated resistance R54, R53, R52 and rectifier bridge D6
1 foot of the connection of 2 feet, rectifier bridge D6 is connect with the parallel circuit that capacitor C47 is constituted with the base stage of triode Q13 by resistance R50,
The collector of Q13 is connect with power supply VCC3.3V, and the emitter of Q13 is connected by 2 feet of resistance R56 and U36；3 feet of U19 are logical
Concatenated resistance R91, R89 and power supply AVDD5 connection are crossed, 3 feet of U19 pass through concatenated resistance R91, capacitor C49 and firewire L1
Connection；53 feet of U1 and the base stage of triode connect, and 53 feet of U1 are connected by the emitter of resistance R78 and Q15, relay
LS11 foot is connected by the collector of diode D14 and Q15, and 2 feet of LS1 and the collector of Q15 connect, and 1 foot of LS1 is connected with
5V power supply, 3 feet of LS1 are connect with 2 feet of thumb-acting switch P25, and 1 foot of 4 feet of LS1 and P25 connect, and the 3 of 5 feet of LS1 and P25
Foot connection；15 feet of U44 pass through concatenated by concatenated resistance R224, capacitor C194, capacitor C192 ground connection, 10 feet of U44
Resistance R225, capacitor C193, C192 ground connection；16 feet of U44,11 feet, 9 feet respectively with 1 foot of transformer outlet J10,3 feet, 6 feet
Connection；4 feet and 5 feet of J10 are grounded by concatenated resistance R226, capacitor C195, C192, and 7 feet of J10 pass through with 8 feet connects
Resistance R223, capacitor C191, C192 ground connection, 67 feet of U1 are connect by resistance R62 with 3 feet of crystal oscillator Y5, and 24 feet of U1 lead to
3 feet for crossing resistance R108 and crystal oscillator connect, and 67 feet of U1 are connected by 1 foot of concatenated resistance R62, capacitor C174, C175 and Y5
It connects, 24 feet of U1 are connected by 1 foot of concatenated resistance R108, capacitor C174, C175 and crystal oscillator Y5, and 2 feet and 4 feet of Y5 connect
Ground；
In the wireless module, 2 feet of the U2,3 feet, 4 feet, 5 feet, 6 feet, 7 feet respectively with 1 foot of connector J1,2 feet, 3
Foot, 4 feet, 5 feet, the connection of 6 feet；11 feet, 5 feet of U3 are connect with 2 feet of connector J2,3 feet respectively, and 11 feet, 5 feet of U3 lead to respectively
Resistance R2, R3 and power supply EVM3V3 connection are crossed, 4 feet of J2 are connected with power supply EVM5V0；15 feet of U1 pass through resistance R13 and power supply
EVM3V3 connection, is grounded by resistance R15；14 feet of U1 by resistance R16 be sequentially connected in series reset switch S1, capacitor C16,
The reset circuit that resistance R22 is constituted is connect with power supply EVM3V3；14 feet of U1 are connected by 4 feet of resistance R17 and U3；The 12 of U1
Foot is connect by resistance R19 with power supply EVM3V3, is grounded by resistance R25；11 feet of U1 pass through resistance R20 and power supply EVM3V3
Connection, is grounded by resistance R23；10 feet of U1 are connect by resistance R21 with power supply EVM3V3, are grounded by resistance R26；U5's
3 feet are connect with power supply EVM5V0, and 5 feet are connect with power supply EVM5V0,2 feet ground connection；28 feet, 27 feet, 26 feet of U1 pass through C1 respectively
Parallel circuit, C3, the resistance R1 constituted with C2 is grounded；4 feet of U1 are connect with 5 feet by capacitor C4, and 2 feet and 3 feet of U1 pass through
Capacitor C7 connection；10 feet, 12 feet, 13 feet, 14 feet of U3 are connected separately with diode D5, D4, D3, D2；10 feet of U3 pass through electricity
Hinder R34 ground connection；8 feet of U4 are connect with power supply EVM3V3, and 5 feet, 6 feet, 7 feet of U4 pass through resistance R10, R9, R8 and power supply respectively
EVM3V3 connection, 5 feet, 6 feet, 7 feet of U4 pass through resistance R12, R11, R14 ground connection respectively；1 foot and 3 feet of U7 passes through capacitor C13
Connection, 4 feet are connect with 5 feet by capacitor C15；10 feet of U7 are grounded by resistance R28, and 15 feet ground connection, 8 feet pass through resistance R29
Ground connection；13 feet of U7 are connect with 1 foot of connector J3, and 14 feet are connected by 2 feet of resistance R24 and J3；6 feet and 2 feet of U7 point
Not Tong Guo capacitor C14, C12 be grounded, 16 feet connect with power supply EVM3V3；3 feet of U4 pass through concatenated diode D6, resistance R18
It is connect with power supply EVM3V3.
3. intelligence large screen system according to claim 1, it is characterised in that: in the power supply monitoring modular, the U1
Model STM32F103, U2 LM95071, U3 SST25VF016B, U4 SST25VF016B, U5 be
TLV431ACDBZR, U6 K9K8G09U0A-PCB0, U7 MHC1608S121UA, U8 M24256BWP, U9 H11L1,
U10 is CH341T, U11 H11L1, U12 MAX3232EUE, U13 OPA335, U14 OPA335, U15 OPA335,
U16 is OPA335, U17 OPA335, U18 OPA335, U19 OPA335, P1 CON2x5, P2 USB-miniAB
Connector, P3 VBAT, P4 SD/MMCCARD, P5 CON2x10, P6 are USB-miniAB connector, P7, P8,
P9 is VBAT, J1 CON2x3, J2 RS-232；
In the power supply switching module, U1 STM32F103, U5 TLV431ACDBZR, U7 MHC1608S121UA, U9 are
H11L1, U10 CH341T, U11 H11L1, U12 MAX3232EUE, U35 SN74LVC1G07DBVR, U36 are
SN74LVC1G07DBVR, U19 OPA335, U44 15FB36CNLPOE, U181 DP83848K；P2 is USB-miniAB
Connector, P3 VBAT, P5 CON2x10, P6 are USB-miniAB connector, P25 24VX, J2 RS-232,
J10 is RJ451*1PORTTABUPLED, LS1 JZC-32F-05-ZS3；
In the wireless module, U1 SSD1306OLED, U2 HFD4/5-S, U3 ESP8266-07, U4 LM75AD, U5
For OPA336, U7 MAX3232EUE, J1 3.81mm-1*6, J2 PH2.01*4180DIP.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710048162.6A CN106647533B (en) | 2017-01-20 | 2017-01-20 | A kind of intelligence large screen system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048162.6A CN106647533B (en) | 2017-01-20 | 2017-01-20 | A kind of intelligence large screen system |
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| Publication Number | Publication Date |
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| CN106647533A CN106647533A (en) | 2017-05-10 |
| CN106647533B true CN106647533B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710048162.6A Active CN106647533B (en) | 2017-01-20 | 2017-01-20 | A kind of intelligence large screen system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113036900A (en) * | 2021-03-16 | 2021-06-25 | 维沃移动通信有限公司 | Display screen power supply circuit and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334552A (en) * | 2000-07-13 | 2002-02-06 | 伦飞电脑实业股份有限公司 | Power interruption protector for LCD monitor |
| CN201781298U (en) * | 2009-12-30 | 2011-03-30 | 侯民 | Direct current time controller for large LED display screen |
| CN202258271U (en) * | 2011-09-27 | 2012-05-30 | 深圳市摩西尔电子有限公司 | LED large screen power source power supply system |
| CN202353475U (en) * | 2011-07-15 | 2012-07-25 | 龙乙平 | Large-screen system power supply adapter |
| CN106097998A (en) * | 2016-06-15 | 2016-11-09 | 苏州众显电子科技有限公司 | A kind of power interruption protector for LCD monitor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8527338B2 (en) * | 2007-02-16 | 2013-09-03 | Xerox Corporation | Mobile advertisement methods and systems |
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2017
- 2017-01-20 CN CN201710048162.6A patent/CN106647533B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334552A (en) * | 2000-07-13 | 2002-02-06 | 伦飞电脑实业股份有限公司 | Power interruption protector for LCD monitor |
| CN201781298U (en) * | 2009-12-30 | 2011-03-30 | 侯民 | Direct current time controller for large LED display screen |
| CN202353475U (en) * | 2011-07-15 | 2012-07-25 | 龙乙平 | Large-screen system power supply adapter |
| CN202258271U (en) * | 2011-09-27 | 2012-05-30 | 深圳市摩西尔电子有限公司 | LED large screen power source power supply system |
| CN106097998A (en) * | 2016-06-15 | 2016-11-09 | 苏州众显电子科技有限公司 | A kind of power interruption protector for LCD monitor |
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Address after: 230031 Anhui Hefei Shushan District Mount Huangshan road 518 west ring business center 2 2 3102 Applicant after: Hefei Chuan Xiu Technology Co., Ltd. Address before: 230031 Anhui Hefei Shushan District Mount Huangshan road 518 west ring business center 2 2 3102 Applicant before: Hefei show sound light Technology Co., Ltd. |
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