CN201781298U - Direct current time controller for large LED display screen - Google Patents
Direct current time controller for large LED display screen Download PDFInfo
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- CN201781298U CN201781298U CN2010202749854U CN201020274985U CN201781298U CN 201781298 U CN201781298 U CN 201781298U CN 2010202749854 U CN2010202749854 U CN 2010202749854U CN 201020274985 U CN201020274985 U CN 201020274985U CN 201781298 U CN201781298 U CN 201781298U
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- return circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a direct current time controller for a large LED display screen, comprising a positive electrode and an input diode electrically connected with the output end of a storage battery, and the negative electrode of the input diode is electrically connected with the input end of a relay return circuit; the output end of the relay return circuit is electrically connected with the positive electrode of an output diode, and the negative electrode of the output diode is electrically connected with a power input end of the large LED display screen; the negative electrode of the input diode is electrically connected with a voltage regulation return circuit, and the output end of the voltage regulation return circuit is electrically connected with the signal input end of a CPU return circuit through a voltage acquisition return circuit; and the control signal output end of the CPU return circuit is electrically connected with the input end of the relay control return circuit, and the output end of the relay control return circuit is electrically connected with the power supply of the relay return circuit. The utility model has the advantages that a direct current working power supply is adopted and the storage battery is directly used for power supply so that the large LED display screen is not limited by the power supply time of power for street lamps; and the CPU return circuit is used for monitoring the voltage of the storage battery in real time so as to prevent the overuse of the storage battery to result in the phenomenon of service life reduction due to overdischarge.
Description
Technical field
The utility model relates to the LED big screen display screen, especially relates to the DC time control device that is used for the LED big screen display screen.
Background technology
The big screen LED display screen is owing to have the brightness height, and visual range is far away, and response speed reaches the abundant characteristics of displaying contents soon and is widely used in advertising sector, has enriched people's the visual field greatly.Because the LED lamp adopts low voltage drive, the power-supply system of therefore existing LED advertisement screen adopts the Switching Power Supply power supply more, mainly contains following two kinds of supply power modes: 1, Alternating Current Power Supply: be input as the alternating current of 85-265AC, be output as the direct current of 5VDC; 2, direct current supply: be input as the direct current of DC24-48VDC, be output as the stream of 5VDC.At present, most LED advertisement screen all adopts the power supply of street lamp electricity, when street lamp electricity access failure, adopts the direct current system power supply, when the street lamp electricity is connected, adopts AC-powered, charges to direct current system simultaneously.The deficiency of its existence is owing to there is not the time circuit of storage battery protective circuit and the work of control LED display, cause and occur following bad phenomenon in the big screen LED display screen running: 1, when the power supply of street lamp electricity is untimely, cause storage battery to cross and put, shortened the useful life of storage battery greatly; 2, owing to do not control the time circuit of LED display work, make that LED display is still worked in night or period in morning, cause the waste of the energy.
The utility model content
The utility model purpose is to provide a kind of DC time control device of the LED of being used for big screen display screen, and to improve display screen storage battery useful life, display screen shows that the time is adjustable controlled.
For achieving the above object, the utility model can be taked following technical proposals:
The DC time control device that is used for the LED big screen display screen described in the utility model comprises the anodal input diode that is electrically connected with accumulator output end, and described input diode negative pole is electrically connected with the relay circuit input; Described relay circuit output is connected with the output diode positive electrical, and described output diode negative pole is electrically connected with LED big screen display screen power input; Be connected with voltage at the input diode negative electricity and adjust the loop, described voltage is adjusted the loop output and is electrically connected with CPU loop signal input by voltage acquisition circuit; Described CPU circuit controls signal output part is electrically connected with the relay control circuit input, and described relay control circuit output is electrically connected with the relay circuit power supply.
Described voltage is adjusted the 24 volts of dc output ends in loop and is electrically connected with described relay circuit power input; Voltage is adjusted the 5 volts of dc output ends in loop and is electrically connected with described CPU ring current input; CPU circuit communication interface is electrically connected with clock loop, RS485 order circuit respectively.
The utility model advantage is to adopt dc supply, directly uses storage battery power supply, not limited by the power-on time of street lamp electricity; By described CPU loop battery tension is monitored in real time, prevented that storage battery from overusing, cause overdischarge to reduce phenomenon generation in useful life; CPU circuit communication interface is electrically connected with clock loop, RS485 order circuit respectively, realizes and the host computer real-time communication, the LED big screen display screen operating time can be arbitrarily by software setting, easy to use flexibly.
Description of drawings
Fig. 1 is the utility model input, output, voltage sample, voltage stabilizing circuit schematic diagram.
Fig. 2 is a CPU loop circuit schematic diagram described in the utility model.
Fig. 3 is an indicating circuit schematic diagram described in the utility model.
Fig. 4 is clock loop circuit theory diagrams described in the utility model.
Fig. 5 is relay control circuit circuit theory diagrams described in the utility model.
Fig. 6 is relay circuit circuit theory diagrams described in the utility model.
Fig. 7 is RS485 order circuit circuit theory diagrams described in the utility model.
Fig. 8 is a schematic block circuit diagram of the present utility model.
Embodiment
Shown in Fig. 1,2,3,4,5,6,7,8, the DC time control device that is used for the LED big screen display screen described in the utility model, comprise the anodal input diode D1 that is electrically connected with accumulator output end, described input diode D1 negative pole is electrically connected with the relay circuit input; Described relay circuit output is connected with output diode D4 positive electrical, and described output diode D4 negative pole is electrically connected with LED big screen display screen power input; Be connected with voltage at input diode D1 negative electricity and adjust the loop, described voltage is adjusted the loop output and is electrically connected with CPU loop signal input by voltage acquisition circuit; Described CPU circuit controls signal output part is electrically connected with the relay control circuit input, and described relay control circuit output is electrically connected with the relay circuit power supply.Described voltage is adjusted the 24 volts of dc output ends in loop and is electrically connected with described relay circuit power input; Voltage is adjusted the 5 volts of dc output ends in loop and is electrically connected with described CPU ring current input; CPU circuit communication interface is electrically connected with clock loop, RS485 order circuit respectively.
The utility model operation principle is as follows:
The input power supply unit tap backward diode D1 (6A10) of system prevents that power supply from connecing instead, can prevent DC time control device internal short-circuit simultaneously, plays the effect of insurance; Adjust the loop by voltage, export two groups of power supplys, be respectively relay working power DC24V and cpu system power supply DC5V, constitute voltage sampling circuit by resistance R 1, R2, R3, C7, gather the direct voltage of input in real time, by the A/D convertor circuit of CPU inside, whether the real-time judge system voltage is lower than 45 volts, when voltage is lower than 45V, close out-put supply.In the power supply output loop, equally also meet a backward diode D4 (6A10), prevent that out-put supply from connecing instead, cause short circuit, when preventing from simultaneously to occur short circuit or overcurrent in the late-class circuit, can cut off out-put supply rapidly, guaranteed the safe in utilization of storage battery.
By reading of clock chip U4 (DS1302), judge whether the current time be in the operating time of LED display, if be in the operating time, when battery tension is higher than 45V simultaneously, open out-put supply; When being in the shut-in time of LED display, close out-put supply.
Claims (2)
1. DC time control device that is used for the LED big screen display screen is characterized in that: it comprises the anodal input diode that is electrically connected with accumulator output end, and described input diode negative pole is electrically connected with the relay circuit input; Described relay circuit output is connected with the output diode positive electrical, and described output diode negative pole is electrically connected with LED big screen display screen power input; Be connected with voltage at the input diode negative electricity and adjust the loop, described voltage is adjusted the loop output and is electrically connected with CPU loop signal input by voltage acquisition circuit; Described CPU circuit controls signal output part is electrically connected with the relay control circuit input, and described relay control circuit output is electrically connected with the relay circuit power supply.
2. according to the described DC time control device that is used for the LED big screen display screen of claim 1, it is characterized in that: described voltage is adjusted the 24 volts of dc output ends in loop and is electrically connected with described relay circuit power input; Voltage is adjusted the 5 volts of dc output ends in loop and is electrically connected with described CPU ring current input; CPU circuit communication interface is electrically connected with clock loop, RS 485 order circuits respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202749854U CN201781298U (en) | 2009-12-30 | 2010-07-23 | Direct current time controller for large LED display screen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920298272 | 2009-12-30 | ||
| CN200920298272.9 | 2009-12-30 | ||
| CN2010202749854U CN201781298U (en) | 2009-12-30 | 2010-07-23 | Direct current time controller for large LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781298U true CN201781298U (en) | 2011-03-30 |
Family
ID=43324460
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202749854U Expired - Fee Related CN201781298U (en) | 2009-12-30 | 2010-07-23 | Direct current time controller for large LED display screen |
| CN2010202750264U Expired - Fee Related CN201868073U (en) | 2009-12-30 | 2010-07-23 | LED (Light-Emitting Diode) display screen power supply system with DC (Direct Current) time control function |
| CN2010102386126A Pending CN101917033A (en) | 2009-12-30 | 2010-07-23 | LED display screen power supply system with DC time control function |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202750264U Expired - Fee Related CN201868073U (en) | 2009-12-30 | 2010-07-23 | LED (Light-Emitting Diode) display screen power supply system with DC (Direct Current) time control function |
| CN2010102386126A Pending CN101917033A (en) | 2009-12-30 | 2010-07-23 | LED display screen power supply system with DC time control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN201781298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, and control method thereof |
| CN106647533A (en) * | 2017-01-20 | 2017-05-10 | 合肥市传秀声光科技有限公司 | Intelligent big screen system |
| CN113393807A (en) * | 2021-07-18 | 2021-09-14 | 陈惠� | Device for preventing LED display screen spontaneous combustion |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201781298U (en) * | 2009-12-30 | 2011-03-30 | 侯民 | Direct current time controller for large LED display screen |
| CN102723057A (en) * | 2012-07-09 | 2012-10-10 | 管存忠 | One-board integral LED dot matrix module with auto charging standby power |
| CN104218538B (en) * | 2013-05-30 | 2017-07-04 | 深圳市海洋王照明工程有限公司 | battery over-discharge protection circuit |
| CN110505652B (en) * | 2019-05-16 | 2022-06-14 | Oppo广东移动通信有限公司 | Network connection control method, terminal and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070110637A (en) * | 2006-05-15 | 2007-11-20 | 삼성전자주식회사 | Projection system and control method of the same |
| CN100459314C (en) * | 2007-03-15 | 2009-02-04 | 暨南大学 | Remote control socket system and its wireless remote control method |
| CN101206820B (en) * | 2007-11-15 | 2011-06-22 | 复旦大学 | Distributed wireless LED display system |
| CN201153034Y (en) * | 2008-01-31 | 2008-11-19 | 北京北科驿唐科技有限公司 | LED display control device and LED display control system |
| CN201781298U (en) * | 2009-12-30 | 2011-03-30 | 侯民 | Direct current time controller for large LED display screen |
-
2010
- 2010-07-23 CN CN2010202749854U patent/CN201781298U/en not_active Expired - Fee Related
- 2010-07-23 CN CN2010202750264U patent/CN201868073U/en not_active Expired - Fee Related
- 2010-07-23 CN CN2010102386126A patent/CN101917033A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759694A (en) * | 2016-04-22 | 2016-07-13 | 金陵科技学院 | Low voltage intelligent circuit breaking controller, and control method thereof |
| CN106647533A (en) * | 2017-01-20 | 2017-05-10 | 合肥市传秀声光科技有限公司 | Intelligent big screen system |
| CN106647533B (en) * | 2017-01-20 | 2019-02-22 | 合肥市传秀科技有限公司 | A kind of intelligence large screen system |
| CN113393807A (en) * | 2021-07-18 | 2021-09-14 | 陈惠� | Device for preventing LED display screen spontaneous combustion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201868073U (en) | 2011-06-15 |
| CN101917033A (en) | 2010-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20130723 |