CN102621919B - Intelligent monitoring device and method for mainboard of electronic advertisement player - Google Patents
Intelligent monitoring device and method for mainboard of electronic advertisement player Download PDFInfo
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- CN102621919B CN102621919B CN201210053657.5A CN201210053657A CN102621919B CN 102621919 B CN102621919 B CN 102621919B CN 201210053657 A CN201210053657 A CN 201210053657A CN 102621919 B CN102621919 B CN 102621919B
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Abstract
The invention provides an intelligent monitoring device and an intelligent monitoring method for a mainboard of an electronic advertisement player; the intelligent monitoring device comprises the mainboard of the electronic advertisement player, a microprocessor circuit, a screen and personal computer (PC) power control circuit, a temperature sampling circuit, a humidity sampling circuit, a screen brightness and temperature sampling circuit, a real time clock (RTC) circuit and a com/universal serial bus (USB) interface, wherein the mainboard of the electronic advertisement player is connected with a non-processing circuit by the USB interface; and the screen and PC power control circuit, the temperature sampling circuit, the humidity sampling circuit, the screen brightness and temperature sampling circuit and the RTC circuit are directly connected with the microprocessor circuit. The intelligent monitoring device can be used for effectively managing the switch work of the electronic advertisement player from a long distance in an automatic networked way; when equipment temperature is overhigh, protection program can be automatically started so as to protect equipment from being damaged; and data such as ambient temperature and humidity can be fed back to a remote environment data monitoring management server of the player in real time.
Description
Technical field
The present invention relates to a kind of outdoor electronic advertising media technical field; effectively robotization of one specifically; the switch of networking telemanagement e-advertising player; and can automatically protect equipment after occurrence temperature is too high; and can be environment temperature, the data feedbacks such as humidity are to the e-advertising player mainboard intelligent monitoring and controlling device of player.
Background technology
Outdoor electronic advertisement player is in operational process, need to split according to specific circumstances the unused time arranges, and occasional changes, if adopted, manually to scene, arrange, will inevitably cause very large human cost expense, and when equipment increases, set up and can expend a large amount of time.And at equipment, there is the situations such as deadlock or excess Temperature, have influence on after normal advertisement broadcast, do not reach the spot, be difficult to deal with problems rapidly, and normally move in way at equipment, cannot know the environmental datas such as on-the-spot temperature humidity, being difficult to has one directly to grasp to the ruuning situation of equipment, cannot to equipment, manage well.
Summary of the invention
Technical assignment of the present invention is in the deficiencies in the prior art, provide a kind of can be by network to arranging the switching time of outdoor electronic advertisement player, and the temperature of collection site that can be long-range, humidity, and the environmental data such as brightness, and in some data, reach after certain limit, automatically equipment is carried out the operations such as power-off restarting and reach equipment intelligent management supervisory system more.
Technical scheme of the present invention realizes in the following manner: its structure is comprised of e-advertising player mainboard, microcontroller circuit, screen and PC power control circuit, humiture sample circuit, screen intensity and screen temperature sampling circuit, RTC circuit and com/USB interface, e-advertising player mainboard is connected with untreated circuit by USB interface, screen and PC power control circuit, temperature collection circuit, humidity collection circuit, screen intensity and screen temperature sampling circuit are directly connected with microcontroller circuit with RTC circuit, wherein:
Microcontroller circuit is by integrated circuit U2, capacitor C 2, C5-C7 and crystal oscillator Y1 composition, the 3 pin shish-kebabs of the integrated circuit U2 Y1 that shakes, capacitor C 6 ground connection, capacitor C 7 is connected between 3 pin and ground wire of integrated circuit U2,1 pin of integrated circuit connects 5V power supply, capacitor C 5 connects between integrated circuit 1 pin and ground wire, the 20 pin ground connection of integrated circuit U2, and 17 pin connect 5V power supply, capacitor C 2 connects between 17 pin and ground wire of U2, and the model of integrated circuit U2 is PIC18F14K50-I/SS;
Screen and PC power control circuit are by diode D3, D7, relay J 1, J2, linked switch K1, K2, connector P5, P6 composition, diode D3, D7 are respectively with 1,2 pin of relay J 1, J2 and connect, 2 pin of relay J 1, J2 connect 5V power supply, 1 pin of relay J 1, J2 connects respectively 16,15 pin of integrated circuit U2,4,7 pin of linked switch K1, K2 connect 220V civil power, 5,8 pin of linked switch K1 connect 1,2 pin of connector P5, and 5,8 pin of linked switch K2 connect 1,2 pin of connector P6;
Humiture sample circuit is by integrated circuit U3, resistance R 27, R28, R32, R18, capacitor C 16, C17 composition, the 2 pin crosstalk resistance R27 of integrated circuit U3 connect 5V power supply, capacitor C 16 connects between 5V power supply and ground wire, 5 pin crosstalk resistance R28 and capacitor C 17 ground connection of integrated circuit U3, 14 pin of U3 blow the tie point of resistance R 32 connecting resistance R28 and capacitor C 17, 6 of U3, 8, 7 pin ground connection, resistance R 18 and 4 of U3, 8 pin also connect, 16 pin of U3 connect 5V power supply, resistance R 27 thermistors, capacitor C 17 is humicaps, 3 of integrated circuit U3, 13 pin meet 14 of integrated circuit U2, 5 pin, the model of integrated circuit U3 is 74HC4052,
Screen intensity and screen temperature sampling circuit are comprised of resistance R 1, R40, R47, R3, R48, R4, wherein R3 is thermistor, 2 pin of one termination integrated circuit U3 of resistance R 40, other end series resistor R, 1R47, R3, R48 connect 12 pin of integrated circuit U3, two termination 5V power supplys of resistance R 47; Resistance R 4 connects between 12 pin and ground wire of integrated circuit U3;
RTC circuit is by integrated circuit U5, crystal oscillator Y2, resistance R 9, R11, R13, capacitor C 13 and battery Battery composition, anodal and connecting resistance R9, the R11 of battery Battery, 1 pin and the 5V power supply of R13, U5, the other end of resistance R 9, R11, R13 connects respectively 7,5,6 pin of integrated circuit U5, and the 4 pin serial capacitors C13 of integrated circuit U5 connect 5V power supply, the 4 pin ground connection of integrated circuit U5.
Monitoring step is as follows:
A.16 the Micro-processor MCV of position, the startup and shutdown time period of storing in self-verifying eeprom memory after player powers on, and check the current rtc time, in the e-advertising player on time, control screen and PC power control circuit and open the work of e-advertising player; In the e-advertising player unused time, guard relay cuts out, and e-advertising player quits work, and completes the function of automatic control switch machine and in EEPROM, preserves switching on and shutting down time data, and power down can not be lost;
B. in the e-advertising player on time, after screen and PC power control circuit and normal adhesive, Micro-processor MCV starts the data of each sensor to gather, the data that gathered are passed through USB, submit to e-advertising player mainboard at interval of cycle regular time, e-advertising player mainboard is being received after corresponding data, by network, be aggregated into monitoring server, for various real-time data monitoring analysis and management, completed the function of remote environment data monitoring;
C. after remote environment data monitoring finishes, monitoring server by network automatically or by sending instructions under administrator hand to e-advertising player mainboard, after e-advertising player mainboard is received instruction, instruction is handed down to microcontroller circuit by USB, Micro-processor MCV is closed or is opened according to instruction, when needs are changed the switching on and shutting down time again, also be this process of repetition, last Micro-processor MCV writes eeprom memory the switching on and shutting down time, in a step, this process has completed the function of Long-distance Control;
D. automatic monitoring: 1) exceed preset value after 5 minutes in occurrence temperature, powered-down 30 minutes, switches on etc. after apparatus cools again simultaneously; 2) receiving after the instruction of e-advertising player mainboard, closing screen power supplies relay; 3) in USB device, stop communication after 30 minutes, automatically close and open again the relay of e-advertising player mainboard, complete the reset of e-advertising player mainboard, prevent that e-advertising player mainboard from crashing; 4) closing in unused time section guard relay, completed the function of usage site intelligent management.
Excellent effect of the present invention is; the effectively switch of automation and net cybernation telemanagement e-advertising player; after device temperature is too high, starting protection programmed protection equipment is not damaged automatically, and can be data Real-time Feedbacks such as environment temperature, humidity to player remote environment data monitoring management server.
Accompanying drawing explanation
Fig. 1 is feed circuit schematic diagrams;
Fig. 2 is microcontroller circuit schematic diagram;
Fig. 3 is RTC circuit theory diagrams;
Fig. 4 is screen and PC power control circuit schematic diagram;
Fig. 5 is screen intensity and screen temperature sampling circuit schematic diagram;
Fig. 6 is humiture sample circuit schematic diagram;
Fig. 7 is e-advertising player mainboard intelligent monitoring and controlling device schematic block circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, e-advertising player mainboard intelligent monitoring and controlling device provided by the present invention is described in detail below.
Embodiment
As shown in the theory diagram of e-advertising player mainboard intelligent monitoring and controlling device, whole system is divided into following several part:
1) feed circuit: as shown in Figure 1, after extraneous AC220V civil power powers on, can produce 5V and 12V power supply by feed circuit, wherein 5V is Micro-processor MCV and the power supply of other sensor devices, and 12V is relay power.
2) microcontroller circuit.As shown in Figure 2, adopt the low-power consumption PIC18F14K50 single-chip microcomputer of the up-to-date release of MICROCHIP, this processor has the functions such as USB2.0 interface, SPI interface, serial ports, ADC.Y1 provides system clock for single-chip microcomputer for 12Mhz crystal oscillator.USB interface is to use with upper PC signal post.
3) RTC circuit.As shown in Figure 3, after RTC (Real-Time Clock real-time clock) chip DS1302 and battery combination, can maintain system time, and remain in operation after system power failure.The present invention adopts low-power consumption RTC chip matching battery, can keeping system clock under power-down conditions continuous service at least three years.
4) screen and PC power control circuit.As shown in Figure 4, system powers on and reads after the current time of RTC, and whether be the on time of screen and PC, and transmit control signal to Q1 and Q2 by microprocessor RC0 and RC1 pin if judging current, completed the control of relay.Relay K 1 is the mechanical switch that is connected AC220V input and load end (screen or PC) with K2.When Micro-processor MCV judge current whether be the switching on and shutting down time after, according to judged result Micro-processor MCV sending controling instruction control triode Q1, Q2 realizes the unlatching of relay with closed, thereby realizes the power supply of controlling PC and screen.
5) screen intensity and screen temperature sampling circuit.As shown in Figure 5,, when screen or external environment brightness change, the photoresistance resistance of 10K can change, in photoresistance and plate, electric resistance partial pressure value also can change, and by the ADC of Micro-processor MCV, gathers magnitude of voltage with reflection institute surveyed area brightness value.Temperature collection circuit adopts DS18B20 equally.
6) humiture sample circuit.As shown in Figure 6, temperature collection circuit model is DS18B20.DS18B20 only needs a Tiaokou line can realize the both-way communication of microprocessor and DS18B20 when being connected with microprocessor, has saved microprocessor hardware interface resource.Temperature-measuring range-55 ℃～+ 125 ℃, 0.5 ℃ of intrinsic thermometric resolution.
The square-wave signal that sends 1Khz by Micro-processor MCV pin drives hygristor R28, and the dividing potential drop that gathers hygristor and R32 by the ADC of Micro-processor MCV, completes moisture signal collection by Micro-processor MCV internal calculation.
Monitoring step is as follows:
A.16 the Micro-processor MCV of position, the startup and shutdown time period of storing in self-verifying eeprom memory after player powers on, and check the current rtc time, in the e-advertising player on time, control screen and PC power control circuit and open the work of e-advertising player; In the e-advertising player unused time, guard relay cuts out, and e-advertising player quits work, and completes the function of automatic control switch machine and in EEPROM, preserves switching on and shutting down time data, and power down can not be lost;
B. in the e-advertising player on time, after screen and PC power control circuit and normal adhesive, Micro-processor MCV starts the data of each sensor to gather, the data that gathered are passed through USB, submit to e-advertising player mainboard at interval of cycle regular time, e-advertising player mainboard is being received after corresponding data, by network, be aggregated into monitoring server, for various real-time data monitoring analysis and management, completed the function of remote environment data monitoring;
C. after remote environment data monitoring finishes, monitoring server by network automatically or by sending instructions under administrator hand to e-advertising player mainboard, after e-advertising player mainboard is received instruction, instruction is handed down to microcontroller circuit by USB, Micro-processor MCV is closed or is opened according to instruction, when needs are changed the switching on and shutting down time again, also be this process of repetition, last Micro-processor MCV writes eeprom memory the switching on and shutting down time, in a step, this process has completed the function of Long-distance Control;
D. automatic monitoring: 1) exceed preset value after 5 minutes in occurrence temperature, powered-down 30 minutes, switches on etc. after apparatus cools again simultaneously; 2) receiving after the instruction of e-advertising player mainboard, closing screen power supplies relay; 3) in USB device, stop communication after 30 minutes, automatically close and open again the relay of e-advertising player mainboard, complete the reset of e-advertising player mainboard, prevent that e-advertising player mainboard from crashing; 4) closing in unused time section guard relay, completed the function of usage site intelligent management.
All hardware in e-advertising player mainboard intelligent monitoring and controlling device of the present invention is generic broadcasted Communication Equipment or general-purpose computations organic electronic device.
Claims (2)
1. e-advertising player mainboard intelligent monitoring and controlling device, it is characterized in that its structure is comprised of e-advertising player mainboard, microcontroller circuit, screen and PC power control circuit, humiture sample circuit, screen intensity and screen temperature sampling circuit, clock circuit and com/USB interface, e-advertising player mainboard is connected with micro-processor interface circuit by USB interface, screen and PC power control circuit, temperature collection circuit, humidity collection circuit, screen intensity and screen temperature sampling circuit are directly connected with microcontroller circuit with clock circuit, wherein:
Microcontroller circuit is by integrated circuit U2, capacitor C 2, C5-C7 and crystal oscillator Y1 composition, the 3 pin shish-kebabs of integrated circuit U2 shake Y1, capacitor C 6 ground connection, capacitor C 7 is connected between 3 pin and ground wire of integrated circuit U2, and 1 pin of integrated circuit connects 5V power supply, and capacitor C 5 connects between integrated circuit 1 pin and ground wire, the 20 pin ground connection of integrated circuit U2,17 pin connect 5V power supply, and capacitor C 2 connects between 17 pin and ground wire of U2, and the model of integrated circuit U2 is PIC18F14K50-I/SS;
Screen and PC power control circuit are by diode D3, D7, relay J 1, J2, linked switch K1, K2, connector P5, P6 composition, diode D3, D7 are respectively with 1,2 pin of relay J 1, J2 and connect, wherein, positive pole is succeeded 1 pin of electrical equipment J1, J2,2 pin of relay J 1, J2 connect 12V power supply, 1 pin of relay J 1, J2 connects respectively 16,15 pin of integrated circuit U2,4,7 pin of linked switch K1, K2 connect 220V civil power, and 5,8 pin of linked switch K1 connect 1,2 pin of connector P5, and 5,8 pin of linked switch K2 connect 1,2 pin of connector P6;
Humiture sample circuit is by integrated circuit U3, resistance R 27, R28, R32, R18, capacitor C 16, C17 composition, the 2 pin crosstalk resistance R27 of integrated circuit U3 connect 5V power supply, capacitor C 16 connects between 5V power supply and ground wire, 5 pin crosstalk resistance R28 and capacitor C 17 ground connection of integrated circuit U3, the 14 pin crosstalk resistance R32 connecting resistance R28 of U3 and the tie point of capacitor C 17, 6 of U3, 8, 7 pin ground connection, resistance R 18 and 4 of U3, 8 pin also connect, 16 pin of U3 connect 5V power supply, resistance R 27 thermistors, capacitor C 17 is humicaps, 3 of integrated circuit U3, 13 pin meet 14 of integrated circuit U2, 5 pin, the model of integrated circuit U3 is 74HC4052,
Screen intensity and screen temperature sampling circuit are comprised of resistance R 1, R40, R47, R3, R48, R4, wherein R3 is thermistor, 2 pin of one termination integrated circuit U3 of resistance R 40, other end series resistor R1, R47, R3, R48 connect 12 pin of integrated circuit U3, two termination 5V power supplys of resistance R 47; Resistance R 4 connects between 12 pin and ground wire of integrated circuit U3;
Clock circuit is by real-time timepiece chip RTC, crystal oscillator Y2, resistance R 9, R11, R13, capacitor C 13 and battery Battery composition, anodal and connecting resistance R9, the R11 of battery Battery, 1 pin and the 5V power supply of R13, real-time timepiece chip RTC, the other end of resistance R 9, R11, R13 connects respectively 7,5,6 pin of real-time timepiece chip RTC, the 4 pin serial capacitors C13 of real-time timepiece chip RTC connect 5V power supply, the 4 pin ground connection of real-time timepiece chip RTC, the model of real-time timepiece chip RTC is DS1302S.
2. e-advertising player mainboard intelligent control method, is characterized in that monitoring step is as follows:
A.16 the Micro-processor MCV of position, the startup and shutdown time period of storing in self-verifying eeprom memory after player powers on, and check the time of current real-time timepiece chip RTC, in the e-advertising player on time, control screen and PC power control circuit and open the work of e-advertising player; In the e-advertising player unused time, guard relay cuts out, and e-advertising player quits work, and completes the function of automatic control switch machine and in EEPROM, preserves switching on and shutting down time data, and power down can not be lost;
B. in the e-advertising player on time, after screen and PC power control circuit and normal adhesive, Micro-processor MCV starts the data of each sensor to gather, the data that gathered are passed through USB, submit to e-advertising player mainboard at interval of cycle regular time, e-advertising player mainboard is being received after corresponding data, by network, be aggregated into monitoring server, for various real-time data monitoring analysis and management, completed the function of remote environment data monitoring;
C. after remote environment data monitoring finishes, monitoring server by network automatically or by sending instructions under administrator hand to e-advertising player mainboard, after e-advertising player mainboard is received instruction, instruction is handed down to microcontroller circuit by USB, Micro-processor MCV is closed or is opened according to instruction, when needs are changed the switching on and shutting down time again, also be this process of repetition, last Micro-processor MCV writes eeprom memory the switching on and shutting down time, in a step, this process has completed the function of Long-distance Control;
D. automatic monitoring: 1) exceed preset value after 5 minutes in occurrence temperature, powered-down 30 minutes, switches on etc. after apparatus cools again simultaneously; 2) receiving after the instruction of e-advertising player mainboard, closing screen power supplies relay; 3) in USB device, stop communication after 30 minutes, automatically close and open again the relay of e-advertising player mainboard, complete reseting of e-advertising player mainboard, prevent that e-advertising player mainboard from crashing; 4) closing in unused time section guard relay, completed the function of usage site intelligent management.
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| CN201210053657.5A CN102621919B (en) | 2012-02-24 | 2012-02-24 | Intelligent monitoring device and method for mainboard of electronic advertisement player |
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| CN201210053657.5A CN102621919B (en) | 2012-02-24 | 2012-02-24 | Intelligent monitoring device and method for mainboard of electronic advertisement player |
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| CN102621919B true CN102621919B (en) | 2014-04-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293944A (en) * | 2013-04-28 | 2013-09-11 | 崔华 | Outdoor clock provided with PM2.5 monitoring equipment |
| CN103731748A (en) * | 2013-12-13 | 2014-04-16 | 乐视致新电子科技（天津）有限公司 | Starting-up advertisement playing method and device and set top box |
| CN106444115A (en) * | 2016-08-30 | 2017-02-22 | 重庆卓美华视光电有限公司 | Rebooting system and method for liquid crystal display advisement player |
| CN111276081A (en) * | 2018-12-04 | 2020-06-12 | 山东快发网络科技有限公司 | Method and terminal for controlling mainboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382170Y (en) * | 1999-07-16 | 2000-06-07 | 古秀台 | Automatic switch for advertisement sign |
| CN2884411Y (en) * | 2005-06-14 | 2007-03-28 | 北京金日新事业技术有限公司 | Advertising apparatus placed in tunnels |
| CN101094249A (en) * | 2007-07-04 | 2007-12-26 | 迪岸网络技术（上海）有限公司 | Interactive communication method for remote monitoring devices of playing advertisements and posters in electric media |
| CN202443288U (en) * | 2012-02-24 | 2012-09-19 | 北京东方博杰广告有限公司 | Intelligent monitoring device for electronic advertisement player mainboard |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI1013207A2 (en) * | 2009-05-14 | 2019-09-24 | Trifonov Borislav | interactive multimedia advertising system |
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- 2012-02-24 CN CN201210053657.5A patent/CN102621919B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382170Y (en) * | 1999-07-16 | 2000-06-07 | 古秀台 | Automatic switch for advertisement sign |
| CN2884411Y (en) * | 2005-06-14 | 2007-03-28 | 北京金日新事业技术有限公司 | Advertising apparatus placed in tunnels |
| CN101094249A (en) * | 2007-07-04 | 2007-12-26 | 迪岸网络技术（上海）有限公司 | Interactive communication method for remote monitoring devices of playing advertisements and posters in electric media |
| CN202443288U (en) * | 2012-02-24 | 2012-09-19 | 北京东方博杰广告有限公司 | Intelligent monitoring device for electronic advertisement player mainboard |
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