CN201936548U - Remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens - Google Patents
Remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens Download PDFInfo
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- CN201936548U CN201936548U CN2010206715950U CN201020671595U CN201936548U CN 201936548 U CN201936548 U CN 201936548U CN 2010206715950 U CN2010206715950 U CN 2010206715950U CN 201020671595 U CN201020671595 U CN 201020671595U CN 201936548 U CN201936548 U CN 201936548U
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- led display
- power supply
- outdoor led
- optical fiber
- converter
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Abstract
The utility model discloses a remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens, which belongs to the technical field of remote control. The utility model is characterized in that the remote monitoring and controlling system contains a main controller which is connected with a plurality of branch controllers through communication lines and equipment such as an RS485 bus, an RS485-optical fiber converter, an optical fiber and an optical fiber-RS485 converter; the main controller sends corresponding instructions to the branch controllers based on the state of a self-locking switch; the branch controllers control and monitor the on/off of an alternating current contactor and feed back monitored information to the main controller; and the main controller displays the monitored information; therefore, the power supply of the outdoor LED display screens can be remotely monitored and controlled. The remote monitoring and controlling system has simple system design, the branch controllers are independent with one another, and no electrical connection is available, therefore, the remote monitoring and controlling system can eliminate the electromagnetic interference among the different the outdoor LED display screens; and the remote monitoring and controlling system is easy, convenient and fast in operation and has the advantages that the real-time status can be visually displayed and reducing property and expansibility are good, etc.
Description
Technical field
Outdoor LED display power supply long distance control system belongs to the remote control technology field.
Background technology
Along with development of science and technology and popularization and application, increasing LED display because of its display brightness height, easily make characteristics such as large scale and be widely used in aspects such as information issue, product advertising, graphics video demonstration, under outdoor environment, all be to adopt LED display basically especially as display device.But be in the electronic equipment under the outdoor environment, in some cases,, LED display damaged, use thereby influence is normal as thundery sky gas or other strong interference of electromagnetic field.
For fear of the generation of above-mentioned situation, need be in the power supply of LED display outside special time period such as the thunderstorm weather close chamber, with the possibility that reduces or avoid LED display to be damaged.The power supply of LED display needs personnel to the switchgear building power operation of manually operating a switch outside the close chamber, process is more loaded down with trivial details, particularly under the situation that different outdoor LED display is powered respectively by the switchgear building of distribution different location, waste time and energy especially by manually cutting off the power supply.Equally, after special past time period, also will be by the power supply of manual reversion to outdoor LED display, operation is equally inconvenient, not quick.
The utility model content
The purpose of this utility model is, having overcome prior art need be by the defective of the outdoor LED display power supply of manual reversion, a kind of outdoor LED display power supply long distance control system is provided, and this system can control in the pulpit in the power supply to outdoor LED display.
Of the present utility model being characterised in that, contain:
A primary controller is connected with n RS485-optic fiber converter by the RS485 bus, and n is a natural number; Also be connected with n self-lock switch that is used to control corresponding outdoor LED display on/off; Also connect n pilot lamp that is used to show the outer LED display on/off of respective chamber/chambers,
N RS485-optic fiber converter is by n optical fiber-RS485 converter of the corresponding respectively connection of optical fiber;
N optical fiber-RS485 converter is by corresponding respectively n the iversion controller signal input end separately that connects of RS485 bus;
A.C. contactor of the corresponding respectively connection of n iversion controller, each iversion controller;
N A.C. contactor, the corresponding respectively supply network that connects LED display outside the pulpit.
Described primary controller adopts the STC89C58 microcontroller with RS485 interface.Described iversion controller adopts the STC89C58 microcontroller with RS485 interface.
The beneficial effects of the utility model are:
Reliability practicality height: system design is simple, carry out long-range connection by optical fiber, has improved the electromagnetic interference (EMI) to native system such as other equipment greatly; Separate between each iversion controller, no any being electrically connected eliminated the electromagnetic interference (EMI) between each outdoor LED display fully; The simple operations self-lock switch can reach the purpose of the power supply state of LED display outside the pulpit, and is convenient and swift.
The real-time status that shows directly perceived: the pilot lamp that primary controller has is the power supply state of the outer LED display of display room in real time.
Reduction property favorable expandability: can carry out the increase and decrease of extension set quantity according to actual conditions.
Description of drawings
Fig. 1 is the overall system connection diagram.
Fig. 2 is the primary controller theory diagram.
Fig. 3 is the iversion controller theory diagram.
Fig. 4 is the A.C. contactor connection diagram.
Embodiment
The system that remote monitoring is carried out in the outdoor LED display power supply that the utility model provides, wherein primary controller is connected a plurality of iversion controllers by RS485 bus, RS485-optic fiber converter, optical fiber, optical fiber-communication lines such as RS485 converter with equipment, primary controller sends the corresponding command to iversion controller according to the self-lock switch state, the break-make of iversion controller control and monitoring A.C. contactor, and the information feedback that monitors shown to primary controller, thereby remote monitoring is carried out in outdoor LED display power supply.
Below in conjunction with description of drawings the specific embodiment of the present invention.
As Fig. 1, import display message because of outdoor LED display all needs the computer in the pulpit to it, thereby primary controller can be placed in the pulpit, be convenient to the related personnel and operate.N1 " RS485-optic fiber converter " also is put in the pulpit as far as possible, so that carry out maintenance and repair.System's long-distance transmissions is mainly undertaken by optical fiber, thereby each " optical fiber-RS485 converter ", iversion controller, A.C. contactor all can be placed in the corresponding switchgear building of giving outdoor LED display power supply, is beneficial to Installation and Debugging, maintenance and repair.
As Fig. 2, primary controller adopts the STC89C58 microcontroller, and pilot lamp adopts the red and green color pilot lamp, so that the display switch two states, the optional usefulness of self-lock switch has the toggle switch of two states, and RS485 circuit 1 is a conventional design.
As Fig. 3, iversion controller adopts the STC89C58 microcontroller, and iversion controller driving circuit, iversion controller observation circuit, RS485 circuit 2 are all conventional design.
As Fig. 4, A.C. contactor adopts 4 tunnel contact models, can connect 4 tunnel supply lines of switchgear building three-phase four-wire system fully, and the ac contactor contact electric current is decided according to the watt level of the outdoor LED display that is connected; A.C. contactor AC driving coil adopts the AC220V model.A.C. contactor is as the on-off switch between switchgear building utility grid and the power supply of outdoor LED display, and the AC driving coil of A.C. contactor connects the iversion controller observation circuit simultaneously by the control of iversion controller driving circuit, the duty of monitoring AC driving coil.
In the common commercial equipment, " RS485-optic fiber converter ", " optical fiber-RS485 converter " notice that the attachable number of devices of interface of RS485 bus satisfies actual the requirement and gets final product; Pilot lamp, self-lock switch do not have specific (special) requirements, are fit to particular user and require to get final product.RS485 bus cable is 3 core Shielded Twisted Pairs, and every core cross-sectional area is 0.75 square millimeter, and wherein 1 core connects that RS485 chip ground, 2 cores connect the RS485 bus signals, shielding connects the earth, during wiring away from the forceful electric power circuit; The suitable optical fiber that optical fiber satisfies " RS485 bus-optic fiber converter ", " optical fiber-RS485 bus converter " gets final product.
As previously mentioned, primary controller has a plurality of bi-colour LEDs and self-lock switch, corresponding different respectively outdoor LED display.When needs power for outdoor LED display, move self-lock switch to open site, then primary controller sends open command for corresponding iversion controller by communication lines such as optical fiber, and then iversion controller control A.C. contactor is connected the power supply of outdoor LED display; Simultaneously, promptly return to the corresponding connection information of primary controller after the power supply of iversion controller monitoring A.C. contactor AC coil, primary controller shows green by bi-colour LED, represent outdoor LED display power connection, operate as normal.As communication line mistake or iversion controller inefficacy take place, and then primary controller can not receive the response of iversion controller, and then primary controller shows redness by bi-colour LED, represents that outdoor LED display power connection is undesired, and maintenance needs repairing.When needs cut off the power supply for outdoor LED display, move self-lock switch to off-position, then primary controller sends shutdown command for corresponding iversion controller by communication lines such as optical fiber, then the power supply of LED display outside the iversion controller control A.C. contactor disconnection chamber; Simultaneously, promptly return to the corresponding closing information of primary controller after the outage of iversion controller monitoring A.C. contactor AC coil, primary controller shows red by bi-colour LED, represents that outdoor LED display power supply power supply disconnects.
Primary controller, iversion controller all adopt high-performance microcontroller STC89C58, the anti-interference height.When taking place even be interfered, situation such as deadlock also can return to normal operating conditions from horizontal reset in 1 second.Primary controller constantly sends the corresponding command to iversion controller according to the self-lock switch state, avoids even eliminated fully the interference that may be subjected on the communication line.Because of outdoor LED display power is bigger,, prevent that the switch powerful device particularly itself causes unnecessary harm to outdoor LED display to control system fast so will carry out delay process during the switch state.
Claims (3)
1. outdoor LED display power supply long distance control system is characterized in that, contains:
A primary controller is connected with n RS485-optic fiber converter by the RS485 bus, and n is a natural number; Also be connected with n self-lock switch that is used to control corresponding outdoor LED display on/off; Also connect n pilot lamp that is used to show the outer LED display on/off of respective chamber/chambers,
N RS485-optic fiber converter is by n optical fiber-RS485 converter of the corresponding respectively connection of optical fiber;
N optical fiber-RS485 converter is by corresponding respectively n the iversion controller signal input end separately that connects of RS485 bus;
A.C. contactor of the corresponding respectively connection of n iversion controller, each iversion controller;
N A.C. contactor, the corresponding respectively supply network that connects LED display outside the pulpit.
Described primary controller and n RS485-optic fiber converter places in the pulpit, and described n optical fiber-RS485 converter, a n iversion controller and n A.C. contactor are in the switchgear building of outdoor LED display power supply as for correspondence.
2. outdoor LED display power supply long distance control system as claimed in claim 1 is characterized in that described primary controller adopts the STC89C58 microcontroller with RS485 interface.
3. outdoor LED display power supply long distance control system as claimed in claim 1 is characterized in that described iversion controller adopts the STC89C58 microcontroller with RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206715950U CN201936548U (en) | 2010-12-10 | 2010-12-10 | Remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206715950U CN201936548U (en) | 2010-12-10 | 2010-12-10 | Remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936548U true CN201936548U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206715950U Expired - Fee Related CN201936548U (en) | 2010-12-10 | 2010-12-10 | Remote monitoring and controlling system of power supply for outdoor LED (light emitting diode) display screens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044606A1 (en) * | 2011-09-27 | 2013-04-04 | 深圳市摩西尔电子有限公司 | Large led screen power supply system |
| CN103559872A (en) * | 2013-11-15 | 2014-02-05 | 京东方科技集团股份有限公司 | Power supply system |
-
2010
- 2010-12-10 CN CN2010206715950U patent/CN201936548U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044606A1 (en) * | 2011-09-27 | 2013-04-04 | 深圳市摩西尔电子有限公司 | Large led screen power supply system |
| CN103559872A (en) * | 2013-11-15 | 2014-02-05 | 京东方科技集团股份有限公司 | Power supply system |
| CN103559872B (en) * | 2013-11-15 | 2015-04-15 | 京东方科技集团股份有限公司 | Power supply system |
| WO2015070583A1 (en) * | 2013-11-15 | 2015-05-21 | 京东方科技集团股份有限公司 | Power supply system |
| US10424938B2 (en) | 2013-11-15 | 2019-09-24 | Boe Technology Group Co., Ltd. | Power supply system |
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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: 20110817 Termination date: 20131210 |