CN221125523U

CN221125523U - Power supply controller suitable for medium and small-sized LED display screen

Info

Publication number: CN221125523U
Application number: CN202322618928.3U
Authority: CN
Inventors: 吴昊; 韩晓丽
Original assignee: Gansu Tianhao Jingming Intelligent Electronic Technology Co ltd
Current assignee: Gansu Tianhao Jingming Intelligent Electronic Technology Co ltd
Filing date: 2023-09-26
Publication date: 2024-06-11
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a power supply controller suitable for a medium-and-small-sized LED display screen, which comprises a singlechip, a man-machine interaction module, a 485 module, a relay module, a magnetic holding module, a power supply module and a clock module, wherein the man-machine interaction module, the 485 module and the clock module are respectively and electrically connected with the singlechip, the power supply module is electrically connected with a power supply, the power supply module is used for supplying power to the singlechip, the 485 module, the relay module, the magnetic holding module, the man-machine interaction module and the clock module, and the 485 module is in communication connection with a mobile terminal. The utility model is suitable for power supply control of the small LED display screen, has high power, and all functions are arranged in one controller.

Description

Power supply controller suitable for medium and small-sized LED display screen

Technical Field

The utility model belongs to the technical field of power supply control, and particularly relates to a power supply controller suitable for a medium-and-small-sized LED display screen.

Background

Because the LED display screen is supplied with power by a large number of switch power supplies, capacitive loads, when the screen body is started, instantaneous current is extremely large, impact is easily formed on a power grid, and damage to electric equipment is caused, so that a corresponding power distribution cabinet is required to be equipped, but the current power distribution cabinet has the following defects:

1. The volume is large: 15KW or less, the dimension is 400mm wide by 500mm high by 160mm thick.

2. The functions are as follows: additional components are required.

3. When the butt joint central control is needed, a plurality of control modules are needed to be additionally arranged on the remote control function, and the more the modules are added, the larger the fault rate is, so that the damage is difficult to maintain.

4. The existing power distribution cabinet adopts an alternating current contactor power control scheme, consumes power and generates large heat.

5. The AC contactor is easy to enter dust after being used for a long time, and noise is generated during suction.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides a power supply controller suitable for a medium-and-small-sized LED display screen, so as to solve the problems.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

A power supply controller suitable for a medium-and-small-sized LED display screen comprises a singlechip, a man-machine interaction module, a 485 module, a relay module, a magnetic holding module, a power supply module and a clock module.

And the man-machine interaction module, the 485 module and the clock module are respectively and electrically connected with the singlechip.

The power supply module is electrically connected with the power supply and is used for supplying power to the singlechip, the 485 module, the relay module, the magnetic holding module, the man-machine interaction module and the clock module.

And the 485 module is in communication connection with the mobile terminal.

Furthermore, the singlechip adopts STC8H1K16 chip.

Furthermore, the man-machine interaction module comprises a digital display tube and an input key, and the digital display tube and the input key are electrically connected with the single chip.

Further, the power supply module adopts an LM2596-3.3 chip, the power supply module converts alternating current into 12V and 3.3V to supply power, wherein 12V is used for supplying power to the magnetic holding module and the relay module, and 3.3V is used for supplying power to the 485 module, the clock module and the man-machine interaction module.

Furthermore, the clock module adopts 8563 chips and is used for timing on-off.

Further, the 485 module adopts an SP3485EN chip, and the 485 module is used for being connected with a mobile terminal, wherein the mobile terminal is a mobile phone, a notebook computer or a tablet personal computer.

Further, the relay module is used for cascading the next controller.

Further, the magnetic latching module comprises three magnetic latching control circuits, each magnetic latching control circuit comprises an md7620 driving chip, and the md7620 driving chip is used for driving the magnetic latching relay.

Further, the intelligent control device also comprises an indicator lamp, wherein the indicator lamp is electrically connected with the single-chip microcomputer, and the indicator lamp comprises a closing indicator lamp, a separating indicator lamp and a learning indicator lamp.

The beneficial effects of the utility model are as follows:

1: the LED display controller has the advantages of small volume, 155mm long, 110mm wide and 60mm high, convenience, light weight, attractive atmosphere and integration of time control, remote control and 485 control.

2: The sealed magnetic latching relay used by the application is electrified instantly, and is electrically conductive, the coil does not need to maintain current after being conducted, the coil does not generate heat, the long-term working stability is good, and the safety is high.

3: The application has the advantages of less heating, long service life, small volume, convenient installation, reduced failure rate and convenient maintenance and replacement, and all functions are integrated in one controller.

4: The application is suitable for power supply control of the small LED display screen, has high power, and all functions are arranged in one controller. Manual control, time control, centralized control, wired control and the like. Programming is simple and convenient to use. Durable, does not generate heat, has few faults and is favorable for maintenance and replacement.

Drawings

FIG. 1 is a block diagram of a module of the present utility model;

FIG. 2 is a schematic diagram of a single-chip microcomputer according to the present utility model;

FIG. 3 is a schematic diagram of a magnetic latching module in accordance with the present utility model;

FIG. 4 is a schematic diagram of a clock module according to the present utility model;

FIG. 5 is a schematic diagram of a relay module of the present utility model;

FIG. 6 is a schematic diagram of a 485 module according to the utility model;

FIG. 7 is a schematic diagram of a power module according to the present utility model;

FIG. 8 is a schematic diagram of an input key according to the present utility model;

FIG. 9 is a schematic diagram of a digital display tube according to the present utility model;

fig. 10 is a schematic diagram of an indicator lamp according to the present utility model.

Detailed Description

The utility model is further described with reference to the drawings and reference numerals.

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

The terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Example 1:

As shown in FIG. 1, the power supply controller is suitable for a medium-and-small-sized LED display screen, and comprises a singlechip, a man-machine interaction module, a 485 module, a relay module, a magnetic holding module, a power supply module and a clock module.

And the 485 module is in communication connection with the mobile terminal.

Example 2:

Based on the embodiment 1, as shown in fig. 2-10, the singlechip adopts an STC8H1K16 chip.

The man-machine interaction module comprises a digital display tube and an input key, and the digital display tube and the input key are electrically connected with the singlechip.

The power supply module adopts an LM2596-3.3 chip, the power supply module converts alternating current into 12V and 3.3V direct current to supply power, wherein 12V is used for supplying power to the magnetic holding module and the relay module, and 3.3V is used for supplying power to the 485 module, the clock module and the man-machine interaction module.

The clock module adopts a PFC8563 chip and is used for timing on-off.

The 485 module adopts an SP3485EN chip, and the 485 module is used for being connected with a mobile terminal, wherein the mobile terminal is a mobile phone, a notebook computer or a tablet personal computer.

The relay module is used for cascading the next controller, the output end of the relay module of the first controller is connected with the input end of the second controller when the relay module is used, the first controller is a master controller, the second controller is a slave controller, and the second equipment is not affected by timing and is only turned off and turned on after the first controller.

The magnetic latching module comprises three magnetic latching control circuits, each magnetic latching control circuit comprises an md7620 driving chip, the md7620 driving chip is used for driving a magnetic latching relay, and the magnetic latching relay is used for switching on strong electricity.

The working principle is that the coil of the magnetic latching relay is electrified, and the contacts of the magnetic latching relay are closed to help to switch on strong electricity.

Principle of magnetic retention: the control end gives a weak current of 12V, and the strong current is the on output; the control end gives a weak current of-12V, so that the strong current can be disconnected and not output.

The display device also comprises an indicator lamp, wherein the indicator lamp is electrically connected with the single chip microcomputer.

The pilot lamp includes closing pilot lamp, separating brake pilot lamp and study pilot lamp, and first pilot lamp is the closing instruction, and the second is separating brake pilot lamp, and the third is study pilot lamp.

The specific working principle is as follows:

And (3) manual control: the input key is used for issuing an instruction to the singlechip, and the singlechip controls the magnetic holding module to open or close the output according to the instruction.

Time control: the clock module issues instructions to the singlechip according to the set time, and the singlechip controls the magnetic holding module to open or close the output according to the instructions. For example, 8-point opening and 12-point closing may be set.

Cascade control: the first device is used as a main device, and the output signal of the 1 st device is used as the manual input signal of the 2 nd and 3 rd devices. Equivalent to the 1 st device controlling all devices.

And (3) wired control: 485 communication command control singlechip, singlechip receive corresponding instruction control magnetism keep the module open or close output.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims

1. Power supply controller suitable for middle-size and small-size LED display screen, its characterized in that: the intelligent control system comprises a singlechip, a man-machine interaction module, a 485 module, a relay module, a magnetic holding module, a power supply module and a clock module;

The man-machine interaction module, the 485 module and the clock module are respectively connected with the singlechip;

The power supply module is electrically connected with the power supply and is used for supplying power to the singlechip, the 485 module, the relay module, the magnetic holding module, the man-machine interaction module and the clock module;

And the 485 module is in communication connection with the mobile terminal.

2. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 1, wherein: the singlechip adopts STC8H1K16 chip.

3. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 1, wherein: the man-machine interaction module comprises a digital display tube and an input key, and the digital display tube and the input key are electrically connected with the singlechip.

4. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 1, wherein: the power supply module adopts an LM2596-3.3 chip.

5. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 2, wherein: the clock module adopts a PFC8563 chip.

6. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 2, wherein: the 485 module adopts SP3485EN chip.

7. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 1, wherein: the magnetic latching module comprises three magnetic latching control circuits, each magnetic latching control circuit comprises an md7620 driving chip.

8. The power supply controller suitable for a medium-and-small-sized LED display screen according to claim 1, wherein: the utility model also comprises an indicator lamp which is electrically connected with the single chip, the pilot lamp includes closing pilot lamp, separating brake pilot lamp and study pilot lamp.