CN106597204A  Big screen with power supply monitoring function  Google Patents
Big screen with power supply monitoring function Download PDFInfo
 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
 Authority
 CN
 China
 Prior art keywords
 feet
 resistance
 electric capacity
 microcontroller
 foot
 Prior art date
 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
 Pending
Links
 238000001514 detection method Methods 0.000 claims abstract description 8
 230000005611 electricity Effects 0.000 claims description 4
 238000000034 method Methods 0.000 abstract 1
 238000006243 chemical reaction Methods 0.000 description 2
 230000000694 effects Effects 0.000 description 1
 238000005516 engineering process Methods 0.000 description 1
Classifications

 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 shortcircuits, 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
Technical field
The present invention relates to for pyroelectric monitor field, especially a kind of giantscreen for possessing power supply monitoring function.
Background technology
The application of giantscreen now widely, and is frequently encountered the prominent of power circuit during the use of giantscreen
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 giantscreen.
The present invention for solve the technical scheme that adopts of abovementioned technical problem for：
A kind of giantscreen for possessing power supply monitoring function, includes giantscreen body, and the giantscreen 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 K9K8G09U0APCB0, 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 USBminiAB 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 RS232.
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 giantscreen
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 giantscreen 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 smallsignal that transformer is brought is amplified, is filtered and level conversion, the respective value of leakage current is sent into into singlechip 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 giantscreen for possessing power supply monitoring function, includes giantscreen body, and the giantscreen 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 smallsignal that transformer is brought is amplified, is filtered and level conversion, the respective value of leakage current is sent into into singlechip 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 K9K8G09U0APCB0, 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 USBminiAB
Connector, P3 are VBAT, and P4 is SD/MMCCARD, and P5 is CON2x10, and P6 is USBminiAB connector, P7, P8,
P9 is VBAT, and J1 is CON2x3, and J2 is RS232.
By the IC integrated circuits in the power supply monitoring modular of the present invention, during can effectively preventing the use of giantscreen
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 giantscreen 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 giantscreen for possessing power supply monitoring function, includes giantscreen body, it is characterised in that：The giantscreen 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 giantscreen, 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 giantscreen, 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
K9K8G09U0APCB0, 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 USBminiAB connector, and P3 is VBAT,
P4 is SD/MMCCARD, and P5 is CON2x10, and P6 is USBminiAB connector, and P7, P8, P9 are VBAT, and J1 is
CON2x3, J2 are RS232.
Priority Applications (1)
Application Number  Priority Date  Filing Date  Title 

CN201710047241.5A CN106597204A (en)  20170120  20170120  Big screen with power supply monitoring function 
Applications Claiming Priority (1)
Application Number  Priority Date  Filing Date  Title 

CN201710047241.5A CN106597204A (en)  20170120  20170120  Big screen with power supply monitoring function 
Publications (1)
Publication Number  Publication Date 

CN106597204A true CN106597204A (en)  20170426 
Family
ID=58585068
Family Applications (1)
Application Number  Title  Priority Date  Filing Date 

CN201710047241.5A Pending CN106597204A (en)  20170120  20170120  Big screen with power supply monitoring function 
Country Status (1)
Country  Link 

CN (1)  CN106597204A (en) 
Citations (5)
Publication number  Priority date  Publication date  Assignee  Title 

CN1334552A (en) *  20000713  20020206  伦飞电脑实业股份有限公司  Power interruption protector for LCD monitor 
CN202353475U (en) *  20110715  20120725  龙乙平  Largescreen system power supply adapter 
CN203479949U (en) *  20130913  20140312  江苏省电力公司江阴市供电公司  Electric leakage detection apparatus 
CN203616401U (en) *  20131031  20140528  南通富士特电力自动化有限公司  Online detection device used for electric reactor 
KR101474848B1 (en) *  20140422  20141222  삼현씨앤에스 주식회사  Lifetime estimating and management device of surge protector 

2017
 20170120 CN CN201710047241.5A patent/CN106597204A/en active Pending
Patent Citations (5)
Publication number  Priority date  Publication date  Assignee  Title 

CN1334552A (en) *  20000713  20020206  伦飞电脑实业股份有限公司  Power interruption protector for LCD monitor 
CN202353475U (en) *  20110715  20120725  龙乙平  Largescreen system power supply adapter 
CN203479949U (en) *  20130913  20140312  江苏省电力公司江阴市供电公司  Electric leakage detection apparatus 
CN203616401U (en) *  20131031  20140528  南通富士特电力自动化有限公司  Online detection device used for electric reactor 
KR101474848B1 (en) *  20140422  20141222  삼현씨앤에스 주식회사  Lifetime estimating and management device of surge protector 
Similar Documents
Publication  Publication Date  Title 

CN203643589U (en)  Threedimensional magnetic field detection system of power transmission line  
CN202710702U (en)  Mediumvoltage distribution network fault monitoring device  
CN110250580A (en)  A kind of High Accuracy Constant Temperature electronic cigarette based on dual power supply  
CN205251535U (en)  Electrocardiograph (ECG) monitor  
CN206460119U (en)  A kind of giantscreen for possessing power supply monitoring function  
CN103472309A (en)  Insulation monitoring device and method for DC system  
CN106597204A (en)  Big screen with power supply monitoring function  
CN102043114A (en)  Electrification loopbreaking method for direct current power supply and special device thereof  
CN206460747U (en)  A kind of largesize screen monitors LCD joined screen systems  
CN2754103Y (en)  Illegaluseproof electricenergy meter capable of monitoring CT state  
CN205193128U (en)  Anti electricity theft detection module of three phase kilowatt hour meter  
CN104391225A (en)  Fault detection and communication positioning method for transmission line  
CN205317909U (en)  Apply to on vehicle battery safety detection system of electric motor car  
CN103390884A (en)  Power source detection control device and power supply control system  
CN106647533A (en)  Intelligent big screen system  
CN203117291U (en)  An impedance measuring device of the negative electrode plate of a high frequency electrotome  
CN207081682U (en)  A kind of saliva impedance detection device and equipment  
CN206313652U (en)  A kind of overload protection arrangement of Switching Power Supply  
CN202502131U (en)  Voltage/current detecting circuit  
CN107907744A (en)  The measuring device and method of electric knife negative plate contact quality  
CN204330951U (en)  A kind of feeder line fault stadimeter  
CN204794342U (en)  Double  circuit power switching over system with record wave energy  
CN202178612U (en)  Electrolytic ringcarrying device special for direct current power supply  
CN102163357B (en)  Electric fire monitoring detector with pluggable signal acquiring card  
CN203643536U (en)  Distribution line power monitoring system 
Legal Events
Date  Code  Title  Description 

PB01  Publication  
PB01  Publication  
SE01  Entry into force of request for substantive examination  
SE01  Entry into force of request for substantive examination  
RJ01  Rejection of invention patent application after publication  
RJ01  Rejection of invention patent application after publication 
Application publication date: 20170426 