CN212343318U - Connecting circuit of LED display screen and external power supply - Google Patents
Connecting circuit of LED display screen and external power supply Download PDFInfo
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- CN212343318U CN212343318U CN202021229568.8U CN202021229568U CN212343318U CN 212343318 U CN212343318 U CN 212343318U CN 202021229568 U CN202021229568 U CN 202021229568U CN 212343318 U CN212343318 U CN 212343318U
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- display screen
- led display
- power supply
- external power
- switch box
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Abstract
The utility model discloses a LED display screen and external power supply's connecting circuit, include: LED display screen, external power supply and have master switch's delay switch box, the LED display screen falls into a plurality of units that independently open, the unit has an input, the input interface and the external power supply electric connection of delay switch box, the delay switch box has a plurality of output interfaces, the output interface of delay switch box in proper order with the input electric connection of a unit, the utility model discloses reduced whole LED display screen and supplied power together or the damage that surge current and the impulse current that the outage formed together caused power supply circuit and LED display screen, let the utility model discloses whole power consumption is stable, makes the utility model has the characteristics of it is convenient and with low costs to use.
Description
Technical Field
The utility model relates to a LED display screen technical field, more specifically say, it relates to a LED display screen and external power supply's connecting circuit.
Background
The external power supply of the existing LED display screen is generally controlled by using an air switch, surge current generated at the moment of opening or closing the air switch is far larger than steady-state input current, and at the moment, the surge current impacts a direct-current switch power supply on an external power supply system and the display screen to cause instability of a power utilization system. If the actual load of the power supply circuit is smaller, frequent tripping can occur, so that the display screen is inconvenient to use, and the power plug-in part is aged and invalid, so that the cost is high.
In view of the above, the present invention has been made by the designers for solving the above problems, and the present invention is developed and designed by actively researching and improving the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a use convenient and with low costs LED display screen and external power supply's connecting circuit.
To achieve the above object, the solution of the present invention is:
the utility model provides a LED display screen and external power supply's connecting circuit, includes: LED display screen, external power supply and have the delay switch box of master switch, the LED display screen falls into a plurality of units that independently open, the unit has an input, the input interface and the external power supply electric connection of delay switch box, the delay switch box has a plurality of output interface, the output interface of delay switch box in proper order with the input electric connection of a unit.
The delay switch box is a power supply chronograph.
The number of the units is four.
After the technical scheme is adopted, the utility model adopts the structural design of the LED display screen and the delay switch box, because the LED display screen is divided into a plurality of independently opened units, the input interface of the delay switch box is electrically connected with an external power supply, the delay switch box is provided with a plurality of output interfaces, the output interface of the delay switch box is electrically connected with the input end of one unit in turn, when the input ends of all the units are connected with the output interface of the corresponding delay switch box, the input interface of the delay switch box is connected with the external power supply, the main switch is opened, the delay switch box can supply power to the units of the LED display screen in turn, when the main switch is closed, the units of the LED display screen can be powered off in turn, the damage of surge current and impact current formed by the power supply of the whole LED display screen or the power outage of the whole LED display screen to a power supply circuit and the LED display screen is reduced, let the utility model discloses it is stable wholly to use the electricity, makes the utility model has the characteristics of it is convenient and with low costs to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
[ notation ] to show
The main switch 31 outputs the interface 32 and inputs the interface 33.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a connecting circuit of LED display screen and external power supply, include: LED display screen 1, external power supply 2 and have master switch 31's delay switch box 3, LED display screen 1 falls into a plurality of units 11 that independently open, unit 11 has an input 111, delay switch box 3's input interface 33 and external power supply 2 electric connection, delay switch box 3 has a plurality of output interface 32, delay switch box 3's output interface 32 in proper order with a unit 11's input 111 electric connection.
Because the LED display screen 1 is divided into a plurality of units 11 which are independently started, the input interface 33 of the delay switch box 3 is electrically connected with the external power supply 2, the delay switch box 3 is provided with a plurality of output interfaces 32, the output interface 32 of the delay switch box 3 is electrically connected with the input end 111 of one unit 11 in sequence, when the input ends 111 of all the units 11 are connected with the output interface 32 of the corresponding delay switch box 3, the input interface 33 of the delay switch box 3 is connected with the external power supply 2, the main switch 31 is turned on, the delay switch box 3 can supply power to the units 11 of the LED display screen 1 in sequence, when the main switch 31 is turned off, the units 11 of the LED display screen 1 can be powered off in sequence, and the damage of surge current and impact current caused by the power supply or the power outage of the whole LED display screen 1 to a power supply circuit and the LED display screen 1 is reduced, let the utility model discloses whole power consumption is stable, makes the utility model has the characteristics of use convenient and with low costs to accessible time delay switch box reduces surge current protection circuit socket when the total current of LED display screen is close 10A (domestic conventional plug is 10A), consequently can directly use current circuit need not to change the circuit.
The interval on time between the units 11 of the LED display screen 1 can be set selectively, and the number of the units 11 can be four.
Further, the delay switch box 3 may be a power supply timer, but is not limited thereto, and other delay switch circuits may also be used.
Further, the model of the power source timer may be HYUNDAI/modern SR 1030B.
The technical content and technical features of the present invention have been disclosed as above, and the present invention is not limited to the above-mentioned components, and those skilled in the art may make various replacements and modifications based on the disclosure of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to the embodiments disclosed, but should include various alternatives and modifications without departing from the invention, and be covered by the claims.
Claims (3)
1. The utility model provides a LED display screen and external power supply's connecting circuit which characterized in that includes: LED display screen, external power supply and have the delay switch box of master switch, the LED display screen falls into a plurality of units that independently open, the unit has an input, the input interface and the external power supply electric connection of delay switch box, the delay switch box has a plurality of output interface, the output interface of delay switch box in proper order with the input electric connection of a unit.
2. The connecting circuit of the LED display screen and the external power supply as claimed in claim 1, wherein: the delay switch box is a power supply chronograph.
3. The connecting circuit of the LED display screen and the external power supply as claimed in claim 1, wherein: the number of the units is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021229568.8U CN212343318U (en) | 2020-06-29 | 2020-06-29 | Connecting circuit of LED display screen and external power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021229568.8U CN212343318U (en) | 2020-06-29 | 2020-06-29 | Connecting circuit of LED display screen and external power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212343318U true CN212343318U (en) | 2021-01-12 |
Family
ID=74076919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021229568.8U Active CN212343318U (en) | 2020-06-29 | 2020-06-29 | Connecting circuit of LED display screen and external power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212343318U (en) |
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2020
- 2020-06-29 CN CN202021229568.8U patent/CN212343318U/en active Active
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