CN202121379U - Power-supply control device of light-emitting diode (LED) display screen - Google Patents
Power-supply control device of light-emitting diode (LED) display screen Download PDFInfo
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- CN202121379U CN202121379U CN 201120201355 CN201120201355U CN202121379U CN 202121379 U CN202121379 U CN 202121379U CN 201120201355 CN201120201355 CN 201120201355 CN 201120201355 U CN201120201355 U CN 201120201355U CN 202121379 U CN202121379 U CN 202121379U
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- control
- power
- distribution cabinet
- power distribution
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- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Abstract
The utility model is suitable for the technical field of light-emitting diodes (LEDs), which provides a power-supply control device of an LED display screen and comprises a control terminal used for sending control command signals, a first controller area network (CAN) node used for receiving and processing the control command signals, a second CAN node and an RS480 node. The second CAN node is connected with the first CAN node, receives processed control command signals, and sends the processed control command signals in RS485 mode. The RS485 node is connected with the second CAN node, receives the control command signals sent in the RS485 mode, and sends corresponding power distribution cabinet control signals according to the control command signals. By means of the control terminal, the first CAN node, the second CAN node and the RS485 node, the power-supply control device of the LED display screen can send the power distribution cabinet control signals, thereby controlling opening and closing of a power supply of a power distribution cabinet, greatly increasing automation degree of power-supply control of the LED display screen, and bringing convenience to users. The users do not need to go to the back side of the power distribution cabinet to achieve relevant control by manual operation.
Description
Technical field
The utility model belongs to the LED technical field, relates in particular to a kind of power control of LED display.
Background technology
In recent years, along with the LED technology rapid development, the image effect of LED display was greatly improved, and its image brightness can not only be followed the automatic conversion of external environment condition, can also change along with the time, and various functions are tending towards automation gradually.But the electric power system of common LED display can only realize relevant control by the power distribution cabinet manual operation that the user goes to behind the display screen.
In sum, the electric power system of common LED display can only realize relevant control by the power distribution cabinet manual operation that the user goes to behind the display screen in the prior art.
The utility model content
The purpose of the utility model is to provide a kind of power control of LED display, is intended to solve the electric power system of LED display common in the prior art and can only goes to the problem that power distribution cabinet manual operation behind the display screen realizes relevant control by the user.
The utility model is achieved in that a kind of power control of LED display, comprising:
The control terminal of transmitting control commands signal;
A CAN node that is connected with control terminal, receive and handle said control command signal;
The 2nd CAN node that is connected with a CAN node, receive the control command signal after handling and send with the RS485 form;
Be connected with the 2nd CAN node, receive the control command signal that sends with the RS485 form, send the RS485 node of corresponding power distribution cabinet control signal according to the control command signal.
Further, said control terminal is specially the computer control terminal.
Further, said RS485 node is more than one.
Further again, said RS485 node is provided with accessing port and outgoing interface.
Further again, said RS485 node comprises:
The RS485 bus driver, RS485 bus control unit and the MCU that connect successively.
The utility model compared with prior art, beneficial effect is: through control terminal, a CAN node, the 2nd CAN node, RS485 node, can send the power distribution cabinet control signal, thereby control power distribution cabinet power supply unlatching or close.Increased the automaticity of the power supply control of LED display greatly, brought facility, need not the relevant control of back manual operation realization that the user goes to power distribution cabinet to the user.
Description of drawings
Fig. 1 is the structural representation of the power control of the LED display that provides of the utility model embodiment.
Fig. 2 is the structural representation of the RS485 node that provides of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Among the utility model embodiment,, can send the power distribution cabinet control signal through control terminal, a CAN node, the 2nd CAN node, RS485 node, thus control power distribution cabinet power supply unlatching or close.Increased the automaticity of the power supply control of LED display greatly, brought facility, need not the relevant control of back manual operation realization that the user goes to power distribution cabinet to the user.
A kind of power control of LED display comprises:
The control terminal of transmitting control commands signal;
A CAN node that is connected with control terminal, receive and handle said control command signal;
The 2nd CAN node that is connected with a CAN node, receive the control command signal after handling and send with the RS485 form;
Be connected with the 2nd CAN node, receive the control command signal that sends with the RS485 form, send the RS485 node of corresponding power distribution cabinet control signal according to the control command signal.
Be described in detail below in conjunction with the realization of specific embodiment the utility model:
See also Fig. 1, the power control of the LED display of the utility model comprises:
The control terminal 101 of transmitting control commands signal;
101 that be connected with control terminal, as to receive and handle a said control command signal CAN node 102;
The 2nd 102 that be connected with a CAN node, as to receive the control command signal after handling and send CAN node 103 with the RS485 form;
103 that be connected with the 2nd CAN node, receive the control command signal that sends with the RS485 form, send the RS485 node 104 of corresponding power distribution cabinet control signal according to the control command signal.
The power control of the LED display of the utility model through control terminal 101, a CAN node 102, the 2nd CAN node 103, RS485 node 104, can send the power distribution cabinet control signal, thus the unlatching of the power supply of control power distribution cabinet or close.Increased the automaticity of the power supply control of LED display greatly, brought facility, need not the relevant control of back manual operation realization that the user goes to power distribution cabinet to the user.
Through the combination in any of power distribution cabinet control signal, can control any one road power supply of power distribution cabinet.Through adopting a CAN node 102 and the 2nd CAN node 103, transmitting range is far away, stability is strong, antijamming capability is strong.Through RS485 node 104, cost is low, simple to operation.Through a CAN node 102, the 2nd CAN node 103 and RS485 node 104, reduced the time of parameter passback, improved efficient.
In the utility model embodiment,, therefore can adopt serial ports or USB mode to communicate by letter between a CAN node 102 and the control terminal 101 because a CAN node 102 is near control terminal 101.
In the utility model embodiment, control terminal 101 is specially the computer control terminal.
In the utility model embodiment, the control command signal specifically can be the command signal of the control whole passages of power distribution cabinet or part passage energized, deenergization or other management.
In the utility model embodiment, adopt the communication mode of CAN between a CAN node 102 and the 2nd CAN node 103.Through adopting the communication mode of CAN, transmitting range is far away, and antijamming capability is strong.Be highly suitable for LED display.
In the utility model embodiment, RS485 node 104 is more than one.
In the utility model embodiment, RS485 node 104 is provided with accessing port 204 and outgoing interface 205.Be used to be cascaded to next RS485 node, thereby expansible number of nodes increases the data of controlling power distribution cabinet.
See also Fig. 2, in the utility model embodiment, the RS485 node comprises:
The RS485 bus driver 201, RS485 bus control unit 202 and the MCU203 that connect successively.
Wherein, RS485 bus driver 201 receives the data of accessing port 2034, and these data is carried out the level conversion give RS485 bus control unit 202.RS485 bus control unit 202 carries out the frame judgement and sends proper data to MCU203, and MCU203 sends corresponding power distribution cabinet control signal according to the data that receive, and each road power supply of power distribution cabinet is controlled, thereby reached the automatic control to power distribution cabinet.
The user can control through the power distribution cabinet of 101 pairs of LED displays of control terminal at any time, so that adapt to various emergency situations, for example certain part of LED display is short-circuited, the image of LED display emergency situations such as make mistakes.The user also can carry out time control to power distribution cabinet through the time mode; For example opening power distribution cabinet in the morning starts working LED display; Turn-offed power distribution cabinet when noon, temperature was high; A plurality of time periods can be set to be controlled power distribution cabinet, can better accomplish the effect of automatic control control LED display like this.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (5)
1. the power control of a LED display comprises:
The control terminal of transmitting control commands signal;
A CAN node that is connected with control terminal, receive and handle said control command signal;
The 2nd CAN node that is connected with a CAN node, receive the control command signal after handling and send with the RS485 form;
Be connected with the 2nd CAN node, receive the control command signal that sends with the RS485 form, send the RS485 node of corresponding power distribution cabinet control signal according to the control command signal.
2. power control as claimed in claim 1 is characterized in that said control terminal is specially the computer control terminal.
3. power control as claimed in claim 1 is characterized in that, said RS485 node is more than one.
4. power control as claimed in claim 3 is characterized in that, said RS485 node is provided with accessing port and outgoing interface.
5. power control as claimed in claim 4 is characterized in that, said RS485 node comprises:
The RS485 bus driver, RS485 bus control unit and the MCU that connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120201355 CN202121379U (en) | 2011-06-15 | 2011-06-15 | Power-supply control device of light-emitting diode (LED) display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120201355 CN202121379U (en) | 2011-06-15 | 2011-06-15 | Power-supply control device of light-emitting diode (LED) display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121379U true CN202121379U (en) | 2012-01-18 |
Family
ID=45462416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120201355 Expired - Fee Related CN202121379U (en) | 2011-06-15 | 2011-06-15 | Power-supply control device of light-emitting diode (LED) display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121379U (en) |
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2011
- 2011-06-15 CN CN 201120201355 patent/CN202121379U/en not_active Expired - Fee Related
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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: 20120118 Termination date: 20120615 |