CN113178916A - LED display screen control system with built-in lithium battery - Google Patents
LED display screen control system with built-in lithium battery Download PDFInfo
- Publication number
- CN113178916A CN113178916A CN202110514057.3A CN202110514057A CN113178916A CN 113178916 A CN113178916 A CN 113178916A CN 202110514057 A CN202110514057 A CN 202110514057A CN 113178916 A CN113178916 A CN 113178916A
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- CN
- China
- Prior art keywords
- lithium battery
- display screen
- led display
- control system
- built
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of control systems and discloses an LED display screen control system with a built-in lithium battery. By the arrangement, the whole structure is simple, and the application range of the LED display screen control system can be widened.
Description
Technical Field
The invention relates to the technical field of control systems, in particular to an LED display screen control system with a built-in lithium battery.
Background
The LED display screen is a novel information display medium which is rapidly developed in the whole world from the late stage of the eighties of the twentieth century, utilizes a dot matrix module or pixels formed by Light Emitting Diodes (LEDs) to form a large-area display screen, and has the characteristics of high reliability, long service life, strong environment adaptability, high cost performance and the like. The LED display screen has been widely used, and the market has been significantly increased in the application fields such as open stadiums, concerts, large markets, etc., the LED display screen control display technology is a comprehensive electronic information technology combining technologies such as information electronics, etc., and with the development of scientific technology and society, higher requirements and reliability are put forward on the LED display control technology. However, the existing LED display control system usually operates by directly connecting to a power supply, and when there is no power supply, the control system cannot control the LED display screen.
Disclosure of Invention
The invention mainly provides an LED display screen control system with a built-in lithium battery, which solves the problem that the control system can not control an LED display screen in the prior art when no power supply exists.
In order to solve the technical problems, the invention adopts the following technical scheme:
a control system of an LED display screen with a built-in lithium battery comprises a main controller, a plurality of lithium battery modules and a power supply controller, wherein the main controller is used for processing information and controlling corresponding functional modules; every the output of lithium battery module is connected with the input of a relay, the output of relay is connected with power supply controller's input, power supply controller's output is connected with the input of master controller, every the input of lithium battery is through charging equalizer circuit and the interface connection that charges. By the arrangement, the power supply controller can supply power to the main controller of the LED display screen control system by controlling the built-in lithium battery module, so that the LED display screen control system can continuously work; the plurality of lithium battery modules are arranged to prevent one of the lithium battery modules from being damaged and the situation that the electric quantity is insufficient is avoided, the plurality of lithium battery modules are controlled by the power supply controller, the power supply controller can control the relay so as to control one of the lithium battery modules to supply power to the main controller, when the electric quantity of the lithium battery module is insufficient, the power supply controller can control the other lithium battery module with sufficient electric quantity to supply power, and the electric quantity is judged according to the electric current; meanwhile, the charging equalization circuit is arranged, so that a plurality of lithium battery modules can be effectively charged, and judgment is carried out according to the voltages of different lithium battery modules; adjusting the preset threshold value of each lithium battery module by each stabilized voltage supply; when the voltage of the battery management module is smaller than a preset threshold value, the parallel voltage stabilizing circuit does not work, and the charging current passes through the battery management module for charging; if the voltages of different battery management modules are unbalanced, if one of the battery management modules is fully charged to reach a preset threshold, the parallel voltage stabilizing circuit starts to work to play a shunting role, the voltage is stabilized to the preset threshold, namely the charging current does not pass through the fully charged battery management module any more, and other lithium battery modules only need to be charged to know that the charging is finished; when all the charging is completed and all the charging reaches a preset threshold value, the charging is disconnected; the whole structure is simple, and the application range of the LED display screen control system can be enlarged.
Furthermore, the lithium battery protection circuit is used for protecting the lithium battery charging. The lithium battery protection circuit can be used for effectively monitoring the charging and discharging states of the battery and switching off the charging and discharging loop under certain conditions to prevent damage to the battery.
Further, at least two lithium battery modules are included.
Further, the device also comprises a backup battery interface electrically connected with the power supply controller. By the arrangement, when the power supply of the lithium battery module is used up, the lithium battery module can be connected with the battery to enable the whole system to start working.
Further, the model of the POWER supply controller is MCZN POWER-M8.
Further, the model of the relay is HK 4100F.
Has the advantages that: by the arrangement, the power supply controller can supply power to the main controller of the LED display screen control system by controlling the built-in lithium battery module, so that the LED display screen control system can continuously work; the plurality of lithium battery modules are arranged to prevent one of the lithium battery modules from being damaged and the situation that the electric quantity is insufficient is avoided, the plurality of lithium battery modules are controlled by the power supply controller, the power supply controller can control the relay so as to control one of the lithium battery modules to supply power to the main controller, when the electric quantity of the lithium battery module is insufficient, the power supply controller can control the other lithium battery module with sufficient electric quantity to supply power, and the electric quantity is judged according to the electric current; meanwhile, the charging equalization circuit is arranged, so that a plurality of lithium battery modules can be effectively charged, and judgment is carried out according to the voltages of different lithium battery modules; adjusting the preset threshold value of each lithium battery module by each stabilized voltage supply; when the voltage of the battery management module is smaller than a preset threshold value, the parallel voltage stabilizing circuit does not work, and the charging current passes through the battery management module for charging; if the voltages of different battery management modules are unbalanced, if one of the battery management modules is fully charged to reach a preset threshold, the parallel voltage stabilizing circuit starts to work to play a shunting role, the voltage is stabilized to the preset threshold, namely the charging current does not pass through the fully charged battery management module any more, and other lithium battery modules only need to be charged to know that the charging is finished; when all the charging is completed and all the charging reaches a preset threshold value, the charging is disconnected; the whole structure is simple, and the application range of the LED display screen control system can be enlarged.
Drawings
FIG. 1 is a schematic diagram of a control system according to the present embodiment;
FIG. 2 is a schematic diagram of a charge equalization circuit according to the present embodiment;
fig. 3 is a schematic diagram of a lithium battery protection circuit according to the present embodiment.
Reference numerals: the lithium battery charging system comprises a lithium battery module 1, a power supply controller 2, a main controller 3, a charging equalization circuit 4, a lithium battery protection circuit 5 and a relay 6.
Detailed Description
The technical solution of the LED display screen control system with a built-in lithium battery according to the present invention will be further described in detail with reference to the following embodiments.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, fig. 2, and fig. 3, the LED display screen control system with a built-in lithium battery of the present embodiment includes a main controller 3 for processing information and controlling corresponding functional modules, and further includes a plurality of lithium battery modules 1 and a power controller 2; every lithium battery module 1's output is connected with the input of a relay 6, the output of relay 6 is connected with power controller 2's input, power controller 2's output is connected with master controller 3's input, every lithium battery's input is through charging equalizer circuit 4 and the interface connection that charges. A lithium battery protection circuit 5 for protecting the charging of the lithium battery is also included. Comprising at least two lithium battery modules 1. And a backup battery interface electrically connected with the power controller 2. The model of the POWER supply controller 2 is MCZN POWER-M8. The relay 6 is of the type HK 4100F. In such a configuration, the power controller 2 can control the built-in lithium battery module 1 to supply power to the main controller 3 of the LED display screen control system, so that the LED display screen control system can continue to work; the lithium battery modules 1 are arranged to prevent one of the lithium battery modules 1 from being damaged and the situation that the electric quantity is insufficient is avoided, the lithium battery modules 1 are controlled by the power controller 2, the power controller 2 can control the relay 6 to control one of the lithium battery modules 1 to supply power to the main controller 3, when the electric quantity of the lithium battery module 1 is insufficient, the power controller 2 can control the other lithium battery module 1 with the sufficient electric quantity to supply power, and the electric quantity is judged according to the electric current; meanwhile, the charge equalization circuit 4 is arranged, so that a plurality of lithium battery modules 1 can be effectively charged, and judgment is carried out according to the voltages of different lithium battery modules 1; adjusting a preset threshold value of each lithium battery module 1 by each stabilized voltage supply; when the voltage of the battery management module is smaller than a preset threshold value, the parallel voltage stabilizing circuit does not work, and the charging current passes through the battery management module for charging; if the voltages of different battery management modules are unbalanced, if one of the battery management modules is fully charged to reach a preset threshold, the parallel voltage stabilizing circuit starts to work to play a shunting role, the voltage is stabilized to the preset threshold, namely the charging current does not pass through the fully charged battery management module any more, and other lithium battery modules 1 only need to be charged to know that the charging is finished; when all the charging is completed and all the charging reaches a preset threshold value, the charging is disconnected; the whole structure is simple, and the application range of the LED display screen control system can be enlarged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a LED display screen control system of built-in lithium cell, includes the master controller that is used for handling information and control corresponding functional module, its characterized in that: the lithium battery module comprises a plurality of lithium battery modules and a power supply controller; every the output of lithium battery module is connected with the input of a relay, the output of relay is connected with power supply controller's input, power supply controller's output is connected with the input of master controller, every the input of lithium battery is through charging equalizer circuit and the interface connection that charges.
2. The LED display screen control system with the built-in lithium battery as claimed in claim 1, wherein: the lithium battery protection circuit is used for protecting the lithium battery charging.
3. The LED display screen control system with the built-in lithium battery as claimed in claim 1, wherein: comprising at least two lithium battery modules.
4. The LED display screen control system with the built-in lithium battery as claimed in claim 1, wherein: and the standby battery interface is electrically connected with the power supply controller.
5. The LED display screen control system with the built-in lithium battery as claimed in claim 1, wherein: the model of the POWER supply controller is MCZN POWER-M8.
6. The LED display screen control system with the built-in lithium battery as claimed in claim 1, wherein: the relay is of type HK 4100F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514057.3A CN113178916A (en) | 2021-05-11 | 2021-05-11 | LED display screen control system with built-in lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514057.3A CN113178916A (en) | 2021-05-11 | 2021-05-11 | LED display screen control system with built-in lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113178916A true CN113178916A (en) | 2021-07-27 |
Family
ID=76929159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110514057.3A Withdrawn CN113178916A (en) | 2021-05-11 | 2021-05-11 | LED display screen control system with built-in lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113178916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950177A (en) * | 2021-10-11 | 2022-01-18 | 北京翌光医疗科技研究院有限公司 | Flexible photomedical device |
-
2021
- 2021-05-11 CN CN202110514057.3A patent/CN113178916A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950177A (en) * | 2021-10-11 | 2022-01-18 | 北京翌光医疗科技研究院有限公司 | Flexible photomedical device |
| CN113950177B (en) * | 2021-10-11 | 2024-05-14 | 北京翌光医疗科技研究院有限公司 | Flexible photomedical device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210727 |