CN106597204A - Big screen with power supply monitoring function - Google Patents

Big screen with power supply monitoring function Download PDF

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Publication number
CN106597204A
CN106597204A CN201710047241.5A CN201710047241A CN106597204A CN 106597204 A CN106597204 A CN 106597204A CN 201710047241 A CN201710047241 A CN 201710047241A CN 106597204 A CN106597204 A CN 106597204A
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CN
China
Prior art keywords
feet
resistance
electric capacity
microcontroller
foot
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Application number
CN201710047241.5A
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Chinese (zh)
Inventor
戴鹏
刘勃
徐伟
崔建军
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Hefei Show Sound Light Technology Co Ltd
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Hefei Show Sound Light Technology Co Ltd
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Priority to CN201710047241.5A priority Critical patent/CN106597204A/en
Publication of CN106597204A publication Critical patent/CN106597204A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Abstract

A big screen with a power supply monitoring function provided by the invention comprises a big screen body. The big screen body is connected with a power supply monitoring module, and the power supply monitoring body comprises a data receiving and storage module and an electric leakage detection module. Through adoption of an IC integration circuit in the power supply monitoring module, the big screen with the power supply monitoring function can effectively avoid the problem that problems always happen in the normal display of the screen even the screen is directly damaged caused by the abrupt changing of a power circuit in the usage process of the big screen, can monitor the circuit of the big screen in real time and perform timely processing when it is discovered that the voltage or the current has rapid changing in the circuit.

Description

A kind of giant-screen for possessing power supply monitoring function
Technical field
The present invention relates to for pyroelectric monitor field, especially a kind of giant-screen for possessing power supply monitoring function.
Background technology
The application of giant-screen now widely, and is frequently encountered the prominent of power circuit during the use of giant-screen So change causes the normal display of screen to go wrong and can even directly contribute the damage of screen.Therefore, screen is allowed with power supply Detection function is a very necessary function.
The content of the invention
Present invention mainly solves technical problem be provide it is a kind of possess power supply monitoring function giant-screen.
The present invention for solve the technical scheme that adopts of above-mentioned technical problem for:
A kind of giant-screen for possessing power supply monitoring function, includes giant-screen body, and the giant-screen body is connected with confession Pyroelectric monitor module, the power supply monitoring modular 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, memorizer 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 29 feet respectively with microcontroller U1,32 feet and 30 feet connect, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 29 feet respectively with microcontroller U1,31 feet, 32 feet with And 30 foot connections, 1 foot, 2 feet, 5 feet, 6 feet of the serial flash U4 51 feet respectively with microcontroller U1,53 feet, 54 feet with And 52 foot connections, the 21 feet connection of 2 feet of reference voltage U5 electric capacity C12, C13 and microcontroller U1 in parallel, the electric capacity C12 is grounded with electric capacity C13, and 6 feet and 7 feet of mass storage U6 are respectively by series resistance R16, R17 and microcontroller The 87 feet connection of U1,9 feet, 10 feet of mass storage U6 are connected respectively by 88 feet of resistance R18, R19 and microcontroller U1 Connect, 8 feet of mass storage U6,16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 Foot, 44 feet 85 feet respectively with 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 memorizer U8 48 feet respectively with microcontroller U1,47 feet are connected, the smooth thermocouple 2 feet of clutch U9 are connected by resistance R34 with electric capacity C33 with 68 feet of microcontroller U1, and the resistance R34 is with electric capacity C33 simultaneously Connection, 3 feet of USB switching chip U10 are connected by resistance R35, electric capacity C34 with 2 feet of photoelectrical coupler U11, the resistance R35 It is in parallel with electric capacity C34, USB switching chip U10 4 feet be connected with 4 feet of photoelectrical coupler U9,11 feet of transceiver U12 with it is micro- The 55 feet connection of controller U1,12 feet of transceiver U12 are connected 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, computing 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 electric capacity C48, and 6 feet of the operational amplifier U14 connect with 26 feet of microcontroller U1 Connect, 3 feet of the operational amplifier U13 are by resistance R50, R47 and analog power AVDD5 connections, the resistance R50 and resistance R47 connects;3 feet of the U13 are connected by resistance R50, electric capacity C52 with 1 foot of inductance L7, and 2 feet of inductance L7 pass through resistance R54, resistance R50 are connected with 3 feet of U13;The 2 feet ground connection that 1 foot of L7 passes through electric capacity C52, resistance R47 and power supply AVDD5, L7; 6 feet of the operational amplifier U16 are connected 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 electric capacity C60 and input voltage Viin1 Connect, electric capacity C60 is parallel with resistance R68, resistance R66 connects with electric capacity C60;6 feet and microcontroller of the operational amplifier U18 34 feet connected by resistance R78, R79, R80, described resistance R78, R79, R80 series connection, 3 feet of the operational amplifier U18 It is connected with electric capacity C68 with input voltage Viin1 by resistance R82, electric capacity C68 is parallel with resistance R84, resistance R84 and electric capacity C68 Series connection;2 feet of the operational amplifier U15 are connected by resistance R41 with C47 with 15 feet of microcontroller U1, operational amplifier The 16 feet connection that 2 feet of U15 pass through electric capacity C49, C50 and microcontroller, 2 feet of operational amplifier U15 pass through electric capacity C49, electricity Resistance R55 is connected with 17 feet of microcontroller, and 6 feet of operational amplifier U15 are connected by 16 feet of electric capacity C50 and microcontroller U1 Connect, 6 feet of operational amplifier U15 are connected by resistance R55 with 17 feet of microcontroller U1,2 feet of U15 by resistance R48 with Input voltage Viin connects, and 6 feet of U15 are connected by the resistance R48 being sequentially connected in series with resistance R49 with input voltage Viin, U15 6 feet resistance R41, electric capacity C47 and microcontroller U1 are sequentially connected in series by the parallel circuit that resistance R49 and electric capacity C49 are constituted 15 feet connect;
24 feet of U1 pass through resistance R98, R94, R90, the R88 being sequentially connected in series and zero line connection, and 92 feet of U1 are by successively Resistance R101, R99, R97, R92 of series connection and zero line connect;
2 feet of operational amplifier U17 are connected by 18 feet of the resistance R63, electric capacity C56 and the microcontroller U1 that are sequentially connected in series Connect, 6 feet of U17 are sequentially connected in series the 18 feet company of resistance R63, electric capacity C56 and U1 by the parallel circuit that resistance R71, C62 are constituted Connect, 6 feet of U17 are connected by electric capacity C64 with 23 feet of U1,2 feet of U17 are electric by the parallel connection of electric capacity C62, resistance R71 composition Road series capacitance C64 is connected with 23 feet of U1;
6 feet of operational amplifier U19 are connected with 25 feet of U1,3 feet of U19 by resistance R91 connect an electric capacity C72 with The parallel circuit that resistance R96 is constituted is connected with 24 feet of U1, and 2 feet of U19 pass through the parallel circuit that electric capacity C70, resistance R87 are constituted It is connected with 25 feet of U1,3 feet of U19 are connected by the parallel circuit that electric capacity C71, resistance R93 are constituted with 25 feet of U1, the 6 of U19 Foot is connected by the parallel circuit that electric capacity C71 is constituted with resistance R93 with resistance R91.
Further, 1 foot of U1 is connected with 5 feet of interface P1, and 2 feet of U1 are connected with 8 feet of P1,3 feet of U1 and the 7 of P1 Foot connects, and 4 feet of U1 are connected with 10 feet of P1, and 5 feet of U1 are connected with 9 feet of P1, and 93 feet of U1 are connected with 2 feet of P1, U1's 95 feet are connected with 1 foot of P1, and 96 feet of U1 are connected with 4 feet of P1, and 97 feet of U1 are connected with 3 feet of P1,98 feet of U1 and the 6 of P1 Foot connects;42 feet, 43 feet, 44 feet, 45 feet, 46 feet of U1 1 foot respectively with interface J1,2 feet, 3 feet, 4 feet, 5 feet are connected;U1's 6 feet are connected with 1 foot of cell voltage P3, the 2 feet ground connection of P3;21 feet of U1 are connected by resistance R10 with power vd DA;The 22 of U1 Foot is connected with VDDA;The 27 feet ground connection of U1,28 feet of U1 are connected with VDD33;19 feet of U1 are grounded with 20 feet;50 feet of U1 with VDD33 connects;The 74 feet ground connection of U1,75 feet of U1 are connected with VDD33, and the 99 feet ground connection of U1,100 feet of U1 are connected with VDD33; 70 feet of U1 are connected with 2 feet of USB connector P2 by resistance R1, and 71 feet of U1 are connected by resistance R2 with 3 feet of P2, P2's 1 foot is connected by inductance L1 with 5V power supplys;78 feet of U1 are connected with 9 feet of SD/MMC card physical interface P4,79 feet of U1 and P4 The connection of 1 foot, 83 feet of U1 are connected with 2 feet of P4, and 80 feet of U1 are connected with 5 feet of P4, and 65 feet of U1 are connected with 7 feet of P4, 66 feet of U1 are connected with 8 feet of P4;12 feet of U1 are connected with 13 feet by crystal oscillator Y2, and 8 feet and 9 feet of U1 are connected by crystal oscillator Y1 Connect;90 feet of U1 are connected with 3 feet of interface P5, and 77 feet of U1 are connected with 5 feet of P5, and 72 feet of U1 are connected with 7 feet of P5, U1's 76 feet are connected with 9 feet of P5, and 89 feet of U1 are connected with 13 feet of P5, and 14 feet of U1 are connected with 15 feet of P5;14 feet of U1 pass through The reset circuit that the reset switch that is sequentially connected in series, electric capacity C27, resistance R32 are constituted is connected with VCC3V;
7 feet of the USB switchings chip U10 are connected with 3 feet of USB interface P6, and 8 feet of U10 are connected with 2 feet of P6;U12 13 feet be connected with 1 foot of communication interface J2,14 feet of U12 are connected by resistance R37 with 2 feet of communication interface J2.
Further, model STM32F103 of the U1, U2 is LM95071, and U3 is SST25VF016B, and U4 is SST25VF016B, U5 are TLV431ACDBZR, and U6 is K9K8G09U0A-PCB0, and U7 is MHC1608S121UA, and U8 is M24256BWP, U9 are H11L1, and U10 is CH341T, and U11 is H11L1, and U12 is MAX3232EUE, and U13 is OPA335, and U14 is OPA335, U15 are OPA335, and U16 is OPA335, and U17 is OPA335, and U18 is OPA335, and U19 is OPA335, and P1 is CON2x5, P2 are USB-miniAB connector, and P3 is VBAT, and P4 is SD/MMCCARD, and P5 is CON2x10, and P6 is USB- MiniAB connector, P7, P8, P9 are VBAT, and J1 is CON2x3, and J2 is RS-232.
Beneficial effects of the present invention are:
By the IC integrated circuits in the power supply monitoring modular of the present invention, during can effectively preventing the use of giant-screen The suddenly change for being frequently encountered power circuit causes the normal display of screen to go wrong or even can directly contribute the damage of screen Bad problem, while can be monitored to the circuit of giant-screen in real time, acutely becoming occur in voltage or electric current in discovery circuit Processed in time during change.
U13, U14 leakage current detected, may determine that by L7 transformers and whether have in phase line leakage current, and can be with The small-signal that transformer is brought is amplified, is filtered and level conversion, the respective value of leakage current is sent into into single-chip microcomputer and is entered Row judges.
Description of the drawings
Fig. 1 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 2 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 3 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 4 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 5 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 6 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 7 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 8 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Fig. 9 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 10 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 11 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 12 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 13 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 14 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 15 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 16 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 17 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Figure 18 is a kind of partial integrated circuits figure of specific embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further elaborated.
A kind of giant-screen for possessing power supply monitoring function, includes giant-screen body, and the giant-screen body is connected with confession Pyroelectric monitor module, the power supply monitoring modular 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, memorizer 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 29 feet respectively with microcontroller U1,32 feet and 30 feet connect, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 29 feet respectively with microcontroller U1,31 feet, 32 feet with And 30 foot connections, 1 foot, 2 feet, 5 feet, 6 feet of the serial flash U4 51 feet respectively with microcontroller U1,53 feet, 54 feet with And 52 foot connections, the 21 feet connection of 2 feet of reference voltage U5 electric capacity C12, C13 and microcontroller U1 in parallel, the electric capacity C12 is grounded with electric capacity C13, and 6 feet and 7 feet of mass storage U6 are respectively by series resistance R16, R17 and microcontroller The 87 feet connection of U1,9 feet, 10 feet of mass storage U6 are connected respectively by 88 feet of resistance R18, R19 and microcontroller U1 Connect, 8 feet of mass storage U6,16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 Foot, 44 feet 85 feet respectively with 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 memorizer U8 48 feet respectively with microcontroller U1,47 feet are connected, the smooth thermocouple 2 feet of clutch U9 are connected by resistance R34 with electric capacity C33 with 68 feet of microcontroller U1, and the resistance R34 is with electric capacity C33 simultaneously Connection, 3 feet of USB switching chip U10 are connected by resistance R35, electric capacity C34 with 2 feet of photoelectrical coupler U11, the resistance R35 It is in parallel with electric capacity C34, USB switching chip U10 4 feet be connected with 4 feet of photoelectrical coupler U9,11 feet of transceiver U12 with it is micro- The 55 feet connection of controller U1,12 feet of transceiver U12 are connected 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, computing 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 electric capacity C48, and 6 feet of the operational amplifier U14 connect with 26 feet of microcontroller U1 Connect, 3 feet of the operational amplifier U13 are by resistance R50, R47 and analog power AVDD5 connections, the resistance R50 and resistance R47 connects;6 feet of the operational amplifier U16 are connected with 33 feet of microcontroller U1 by resistance R60, R61 and R62, described Resistance R60, R61 and R62 are sequentially connected in series, and 3 feet of the operational amplifier U16 are by resistance R66 and electric capacity C60 and input voltage Viin1 connects, and electric capacity C60 is parallel with resistance R68, and resistance R66 connects with electric capacity C60;6 feet of the operational amplifier U18 with 34 feet of microcontroller are connected by resistance R78, R79, R80, resistance R78, R79, R80 series connection, the operational amplifier 3 feet of U18 are connected by resistance R82 with electric capacity C68 with input voltage Viin1, and electric capacity C68 is parallel with resistance R84, resistance R84 Connect with electric capacity C68;2 feet of the operational amplifier U15 are connected by resistance R41 with C47 with 15 feet of microcontroller U1, fortune The 16 feet connection of 2 feet by electric capacity C49, C50 and microcontroller of amplifier U15 is calculated, 2 feet of operational amplifier U15 are by electricity Hold C49, resistance R55 to be connected with 17 feet of microcontroller, 6 feet of operational amplifier U15 are by electric capacity C50 and microcontroller U1's 16 feet connect, and 6 feet of operational amplifier U15 are connected by resistance R55 with 17 feet of microcontroller U1, and 2 feet of U15 pass through resistance R48 is connected with input voltage Viin, and 6 feet of U15 are connected by the resistance R48 and resistance R49 and input voltage Viin being sequentially connected in series Connect, 6 feet of U15 are sequentially connected in series resistance R41, electric capacity C47 and microcontroller by the parallel circuit that resistance R49 and electric capacity C49 is constituted The 15 feet connection of device U1;
24 feet of U1 pass through resistance R98, R94, R90, the R88 being sequentially connected in series and zero line connection, and 92 feet of U1 are by successively Resistance R101, R99, R97, R92 of series connection and zero line connect;
2 feet of operational amplifier U17 are connected by 18 feet of the resistance R63, electric capacity C56 and the microcontroller U1 that are sequentially connected in series Connect, 6 feet of U17 are sequentially connected in series the 18 feet company of resistance R63, electric capacity C56 and U1 by the parallel circuit that resistance R71, C62 are constituted Connect, 6 feet of U17 are connected by electric capacity C64 with 23 feet of U1,2 feet of U17 are electric by the parallel connection of electric capacity C62, resistance R71 composition Road series capacitance C64 is connected with 23 feet of U1;
6 feet of operational amplifier U19 are connected with 25 feet of U1,3 feet of U19 by resistance R91 connect an electric capacity C72 with The parallel circuit that resistance R96 is constituted is connected with 24 feet of U1, and 2 feet of U19 pass through the parallel circuit that electric capacity C70, resistance R87 are constituted It is connected with 25 feet of U1,3 feet of U19 are connected by the parallel circuit that electric capacity C71, resistance R93 are constituted with 25 feet of U1, the 6 of U19 Foot is connected by the parallel circuit that electric capacity C71 is constituted with resistance R93 with resistance R91.
1 foot of U1 is connected with 5 feet of interface P1, and 2 feet of U1 are connected with 8 feet of P1, and 3 feet of U1 are connected with 7 feet of P1, U1 4 feet be connected with 10 feet of P1,5 feet of U1 are connected with 9 feet of P1, and 93 feet of U1 are connected with 2 feet of P1, and 95 feet of U1 are with P1's 1 foot connects, and 96 feet of U1 are connected with 4 feet of P1, and 97 feet of U1 are connected with 3 feet of P1, and 98 feet of U1 are connected with 6 feet of P1;U1 42 feet, 43 feet, 44 feet, 45 feet, 46 feet 1 foot respectively with interface J1,2 feet, 3 feet, 4 feet, 5 feet are connected;6 feet of U1 and battery The 1 foot connection of voltage P3, the 2 feet ground connection of P3;21 feet of U1 are connected by resistance R10 with power vd DA;22 feet of U1 and VDDA Connection;The 27 feet ground connection of U1,28 feet of U1 are connected with VDD33;19 feet of U1 are grounded with 20 feet;50 feet of U1 connect with VDD33 Connect;The 74 feet ground connection of U1,75 feet of U1 are connected with VDD33, and the 99 feet ground connection of U1,100 feet of U1 are connected with VDD33;The 70 of U1 Foot is connected with 2 feet of USB connector P2 by resistance R1, and 71 feet of U1 are connected by resistance R2 with 3 feet of P2, and 1 foot of P2 leads to Cross inductance L1 to be connected with 5V power supplys;78 feet of U1 are connected with 9 feet of SD/MMC card physical interface P4,79 feet of U1 and 1 foot of P4 Connection, 83 feet of U1 are connected with 2 feet of P4, and 80 feet of U1 are connected with 5 feet of P4, and 65 feet of U1 are connected with 7 feet of P4, and the 66 of U1 Foot is connected with 8 feet of P4;12 feet of U1 are connected with 13 feet by crystal oscillator Y2, and 8 feet of U1 are connected with 9 feet by crystal oscillator Y1;U1's 90 feet are connected with 3 feet of interface P5, and 77 feet of U1 are connected with 5 feet of P5, and 72 feet of U1 are connected with 7 feet of P5,76 feet of U1 with The 9 feet connection of P5,89 feet of U1 are connected with 13 feet of P5, and 14 feet of U1 are connected with 15 feet of P5;14 feet of U1 are by going here and there successively The reset circuit that the reset switch of connection, electric capacity C27, resistance R32 are constituted is connected with VCC3V;
7 feet of the USB switchings chip U10 are connected with 3 feet of USB interface P6, and 8 feet of U10 are connected with 2 feet of P6;U12 13 feet be connected with 1 foot of communication interface J2,14 feet of U12 are connected by resistance R37 with 2 feet of communication interface J2.
U13, U14 leakage current detected, may determine that by L7 transformers and whether have in phase line leakage current, and can be with The small-signal that transformer is brought is amplified, is filtered and level conversion, the respective value of leakage current is sent into into single-chip microcomputer and is entered Row judges.
Model STM32F103 of U1, U2 is LM95071, and U3 is SST25VF016B, and U4 is SST25VF016B, and U5 is TLV431ACDBZR, U6 are K9K8G09U0A-PCB0, and U7 is MHC1608S121UA, and U8 is M24256BWP, and U9 is H11L1, U10 is CH341T, and U11 is H11L1, and U12 is MAX3232EUE, and U13 is OPA335, and U14 is OPA335, and U15 is OPA335, U16 is OPA335, and U17 is OPA335, and U18 is OPA335, and U19 is OPA335, and P1 is CON2x5, and P2 is USB-miniAB Connector, P3 are VBAT, and P4 is SD/MMCCARD, and P5 is CON2x10, and P6 is USB-miniAB connector, P7, P8, P9 is VBAT, and J1 is CON2x3, and J2 is RS-232.
By the IC integrated circuits in the power supply monitoring modular of the present invention, during can effectively preventing the use of giant-screen The suddenly change for being frequently encountered power circuit causes the normal display of screen to go wrong or even can directly contribute the damage of screen Bad problem, while can be monitored to the circuit of giant-screen in real time, acutely becoming occur in voltage or electric current in discovery circuit Processed in time during change.

Claims (3)

1. a kind of giant-screen for possessing power supply monitoring function, includes giant-screen body, it is characterised in that:The giant-screen body Power supply monitoring modular is connected with, the power supply monitoring modular includes 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, memorizer 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 29 feet respectively with microcontroller U1,32 feet and 30 feet Connection, 1 foot, 2 feet, 5 feet and 6 feet of the serial flash U3 29 feet, 31 feet, 32 feet and 30 respectively with microcontroller U1 Foot connects, 1 foot, 2 feet, 5 feet, 6 feet of the serial flash U4 51 feet, 53 feet, 54 feet and 52 respectively with microcontroller U1 Foot connects, the 21 feet connection of 2 feet of reference voltage U5 electric capacity C12, C13 and microcontroller U1 in parallel, the electric capacity C12 with Electric capacity C13 is grounded, and 6 feet and 7 feet of mass storage U6 pass through respectively the 87 of series resistance R16, R17 and microcontroller U1 Foot connects, and 9 feet, 10 feet of mass storage U6 are respectively by the 88 feet connection of resistance R18, R19 and microcontroller U1, great Rong 8 feet of amount memorizer U6,16 feet, 17 feet, 18 feet, 19 feet, 29 feet, 30 feet, 31 feet, 32 feet, 41 feet, 42 feet, 43 feet, 44 feet point 85 feet, 59 feet, 60 feet, 86 feet, 84 feet, 61 feet, 62 feet, 81 feet, 82 feet, 38 feet, 39 feet, 40 feet not with microcontroller U1, 41 feet connect, and 5 feet, 6 feet of memorizer U8 48 feet respectively with microcontroller U1,47 feet are connected, and the 2 of the photoelectrical coupler U9 Foot is connected by resistance R34 with electric capacity C33 with 68 feet of microcontroller U1, and the resistance R34 is in parallel with electric capacity C33, USB switchings 3 feet of chip U10 are connected by resistance R35, electric capacity C34 with 2 feet of photoelectrical coupler U11, the resistance R35 and electric capacity C34 Parallel connection, 4 feet of USB switching chip U10 are connected with 4 feet of photoelectrical coupler U9, and 11 feet of transceiver U12 are with microcontroller U1's 55 feet connect, and 12 feet of transceiver U12 are connected 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 computing 3 feet of amplifier U14 are connected by electric capacity C48, and 6 feet of the operational amplifier U14 are connected with 26 feet of microcontroller U1, institute 3 feet for stating operational amplifier U13 are connected by resistance R50, R47 and analog power AVDD5, and the resistance R50 and resistance R47 goes here and there Connection;3 feet of the U13 are connected by resistance R50, electric capacity C52 with 1 foot of inductance L7, and 2 feet of inductance L7 pass through resistance R54, electricity Resistance R50 is connected with 3 feet of U13;The 2 feet ground connection that 1 foot of L7 passes through electric capacity C52, resistance R47 and power supply AVDD5, L7;The fortune Calculate amplifier U16 6 feet be connected by resistance R60, R61 and R62 with 33 feet of microcontroller U1, described resistance R60, R61 and R62 is sequentially connected in series, and 3 feet of the operational amplifier U16 are connected by resistance R66 with electric capacity C60 with input voltage Viin1, electricity Hold C60 and be parallel with resistance R68, resistance R66 connects with electric capacity C60;6 feet of the operational amplifier U18 and the 34 of 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 connected with electric capacity C68 with input voltage Viin1, and electric capacity C68 is parallel with resistance R84, resistance R84 and electric capacity C68 string Connection;2 feet of the operational amplifier U15 are connected by resistance R41 with C47 with 15 feet of microcontroller U1, operational amplifier U15 The 16 feet connection that passes through electric capacity C49, C50 and microcontroller of 2 feet, 2 feet of operational amplifier U15 pass through electric capacity C49, resistance R55 is connected with 17 feet of microcontroller, and 6 feet of operational amplifier U15 are connected by electric capacity C50 with 16 feet of microcontroller U1, 6 feet of operational amplifier U15 are connected by resistance R55 with 17 feet of microcontroller U1, and 2 feet of U15 are by resistance R48 and input Voltage Viin connects, and 6 feet of U15 are connected by the resistance R48 being sequentially connected in series with resistance R49 with input voltage Viin, and the 6 of U15 Foot is sequentially connected in series 15 feet of resistance R41, electric capacity C47 and microcontroller U1 by the parallel circuit that resistance R49 and electric capacity C49 is constituted Connection;
24 feet of U1 pass through resistance R98, R94, R90, the R88 being sequentially connected in series and zero line connection, and 92 feet of U1 are by being sequentially connected in series Resistance R101, R99, R97, R92 and zero line connection;
2 feet of operational amplifier U17 are connected by resistance R63, the electric capacity C56 being sequentially connected in series with 18 feet of microcontroller U1, U17 6 feet resistance R63, electric capacity C56 be sequentially connected in series by the parallel circuit that resistance R71, C62 are constituted be connected with 18 feet of U1, U17's 6 feet are connected by electric capacity C64 with 23 feet of U1, and 2 feet of U17 are electric by the parallel circuit in series of electric capacity C62, resistance R71 composition Hold C64 to be connected with 23 feet of U1;
6 feet of operational amplifier U19 are connected with 25 feet of U1, and 3 feet of U19 are by resistance R91 one electric capacity C72 of series connection and resistance The parallel circuit that R96 is constituted is connected with 24 feet of U1, and 2 feet of U19 pass through parallel circuit and U1 that electric capacity C70, resistance R87 are constituted The connection of 25 feet, 3 feet of U19 are connected by the parallel circuit that electric capacity C71, resistance R93 are constituted with 25 feet of U1, and 6 feet of U19 are logical Cross the parallel circuit that electric capacity C71 constitutes with resistance R93 to be connected with resistance R91.
2. it is according to claim 1 possess power supply monitoring function giant-screen, it is characterised in that:1 foot of U1 and interface P1 The connection of 5 feet, 2 feet of U1 are connected with 8 feet of P1, and 3 feet of U1 are connected with 7 feet of P1, and 4 feet of U1 are connected with 10 feet of P1, U1 5 feet be connected with 9 feet of P1,93 feet of U1 are connected with 2 feet of P1, and 95 feet of U1 are connected with 1 foot of P1, and 96 feet of U1 are with P1's 4 feet connect, and 97 feet of U1 are connected with 3 feet of P1, and 98 feet of U1 are connected with 6 feet of P1;42 feet of U1,43 feet, 44 feet, 45 feet, 46 feet 1 foot respectively with interface J1,2 feet, 3 feet, 4 feet, 5 feet are connected;6 feet of U1 are connected with 1 foot of cell voltage P3, and the 2 of P3 Foot is grounded;21 feet of U1 are connected by resistance R10 with power vd DA;22 feet of U1 are connected with VDDA;The 27 feet ground connection of U1, U1's 28 feet are connected with VDD33;19 feet of U1 are grounded with 20 feet;50 feet of U1 are connected with VDD33;The 74 feet ground connection of U1, the 75 of U1 Foot is connected with VDD33, and the 99 feet ground connection of U1,100 feet of U1 are connected with VDD33;70 feet of U1 lead to 2 feet of USB connector P2 Resistance R1 connections are crossed, 71 feet of U1 are connected by resistance R2 with 3 feet of P2, and 1 foot of P2 is connected by inductance L1 with 5V power supplys;U1 78 feet be connected with 9 feet of SD/MMC card physical interface P4,79 feet of U1 are connected with 1 foot of P4, and 83 feet of U1 connect with 2 feet of P4 Connect, 80 feet of U1 are connected with 5 feet of P4,65 feet of U1 are connected with 7 feet of P4,66 feet of U1 are connected with 8 feet of P4;12 feet of U1 It is connected by crystal oscillator Y2 with 13 feet, 8 feet of U1 are connected with 9 feet by crystal oscillator Y1;90 feet of U1 are connected with 3 feet of interface P5, U1 77 feet be connected with 5 feet of P5,72 feet of U1 are connected with 7 feet of P5, and 76 feet of U1 are connected with 9 feet of P5,89 feet of U1 and P5 The connection of 13 feet, 14 feet of U1 are connected with 15 feet of P5;14 feet of U1 pass through reset switch, electric capacity C27, the resistance being sequentially connected in series The reset circuit that R32 is constituted is connected with VCC3V;
7 feet of the USB switchings chip U10 are connected with 3 feet of USB interface P6, and 8 feet of U10 are connected with 2 feet of P6;The 13 of U12 Foot is connected with 1 foot of communication interface J2, and 14 feet of U12 are connected by resistance R37 with 2 feet of communication interface J2.
3. it is according to claim 2 possess power supply monitoring function giant-screen, it is characterised in that:The model of the U1 STM32F103, U2 are LM95071, and U3 is SST25VF016B, and U4 is SST25VF016B, and U5 is TLV431ACDBZR, and U6 is K9K8G09U0A-PCB0, U7 are MHC1608S121UA, and U8 is M24256BWP, and U9 is H11L1, and U10 is CH341T, and U11 is H11L1, U12 are MAX3232EUE, and U13 is OPA335, and U14 is OPA335, and U15 is OPA335, and U16 is OPA335, and U17 is OPA335, U18 are OPA335, and U19 is OPA335, and P1 is CON2x5, and P2 is USB-miniAB connector, and P3 is VBAT, P4 is SD/MMCCARD, and P5 is CON2x10, and P6 is USB-miniAB connector, and P7, P8, P9 are VBAT, and J1 is CON2x3, J2 are RS-232.
CN201710047241.5A 2017-01-20 2017-01-20 Big screen with power supply monitoring function Pending CN106597204A (en)

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CN201710047241.5A CN106597204A (en) 2017-01-20 2017-01-20 Big screen with power supply monitoring function

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CN201710047241.5A CN106597204A (en) 2017-01-20 2017-01-20 Big screen with power supply monitoring function

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Citations (5)

* Cited by examiner, † Cited by third party
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
CN202353475U (en) * 2011-07-15 2012-07-25 龙乙平 Large-screen system power supply adapter
CN203479949U (en) * 2013-09-13 2014-03-12 江苏省电力公司江阴市供电公司 Electric leakage detection apparatus
CN203616401U (en) * 2013-10-31 2014-05-28 南通富士特电力自动化有限公司 Online detection device used for electric reactor
KR101474848B1 (en) * 2014-04-22 2014-12-22 삼현씨앤에스 주식회사 Lifetime estimating and management device of surge protector

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
CN202353475U (en) * 2011-07-15 2012-07-25 龙乙平 Large-screen system power supply adapter
CN203479949U (en) * 2013-09-13 2014-03-12 江苏省电力公司江阴市供电公司 Electric leakage detection apparatus
CN203616401U (en) * 2013-10-31 2014-05-28 南通富士特电力自动化有限公司 Online detection device used for electric reactor
KR101474848B1 (en) * 2014-04-22 2014-12-22 삼현씨앤에스 주식회사 Lifetime estimating and management device of surge protector

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Application publication date: 20170426