CN106128356A - A kind of brightness of display screen control circuit, control method and retractable door - Google Patents
A kind of brightness of display screen control circuit, control method and retractable door Download PDFInfo
- Publication number
- CN106128356A CN106128356A CN201610710631.1A CN201610710631A CN106128356A CN 106128356 A CN106128356 A CN 106128356A CN 201610710631 A CN201610710631 A CN 201610710631A CN 106128356 A CN106128356 A CN 106128356A
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- China
- Prior art keywords
- display screen
- brightness
- control circuit
- main control
- cpu main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of brightness of display screen control circuit, control method and retractable door, relate to retractable door display screen, further relate to retractable door field.A kind of brightness of display screen control circuit, the outfan of AD acquisition module is connected with the first input end of CPU main control module, input is connected with lithium battery outfan, the outfan of ambient brightness detection module is connected with the second input of CPU main control module, the outfan of CPU main control module is connected with the input of display screen, and lithium battery running voltage is human safety voltage.A kind of retractable door with brightness of display screen control circuit includes this brightness of display screen control circuit.CPU main control module passes through battery electric quantity and ambient brightness Intelligent adjustment brightness of display screen, improve the display screen display effect in varying environment, using electricity wisely simultaneously, the lithium battery using running voltage to be human safety voltage is powered directly to display screen, power to display screen compare with prior art uses city to be electrically coupled transformator, cost is lower, safer.
Description
Technical field
The present invention relates to retractable door display screen, particularly relate to a kind of brightness of display screen control circuit, the invention still further relates to one
Plant the retractable door with brightness of display screen control circuit.
Background technology
At present, electric extendable door is widely used in the occasions such as parking lot, large-sized workshop, school, existing electric extendable door
Mostly it is provided with display screen with transmission information, on the one hand, no matter existing electric extendable door display screen is daytime or night, all
Being constantly in constant luminance, display effect is poor；On the other hand, electric extendable door uses civil power 220V to power mostly, and display screen
Running voltage relatively low, need to access a transformator and power to display screen, cost is high, poor stability.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of brightness of display screen control circuit, controlling party
Method and retractable door.
The technical solution adopted in the present invention is: a kind of brightness of display screen control circuit, adopts including CPU main control module, AD
Collection module, lithium battery, ambient brightness detection module and display screen, the outfan of described AD acquisition module and CPU main control module
First input end connects, and the input of described AD acquisition module is connected with lithium battery outfan, described ambient brightness detection module
Outfan be connected with the second input of CPU main control module, the outfan of described CPU main control module and the input of display screen
Connecting, described lithium battery running voltage is human safety voltage.
Preferably, described ambient brightness detection module includes light sensor.
Preferably, described CPU main control module model is stc15f2k16.
Further, described AD acquisition module is used for Real-time Collection electric quantity of lithium battery.
Preferably, described display screen is LED display.
A kind of retractable door with brightness of display screen control circuit, including wall column, door body, head, return pulley, described door body
One end is connected with wall column, the other end is connected with head, is mounted on return pulley bottom described door body and head, and described retractable door is also wrapped
Including above-mentioned brightness of display screen control circuit, described brightness of display screen control circuit is arranged on head front end and electrically connects with head
Connect.
Preferably, described retractable door also includes solar panel, described solaode grillage at the top of head or
Person is fixed on wall column, and described solar panel is for providing working power for brightness of display screen control circuit.
A kind of luminance control method for display screen, including step:
S1, CPU main control module passes through AD acquisition module Real-time Collection electric quantity of lithium battery, it is judged that whether lithium battery current electric quantity is less than
Power threshold, if so, reduces the display brightness of retractable door display screen；
S2, CPU main control module detects ambient brightness in real time by ambient brightness detection module, and according to surrounding brightness regulation
The display brightness of retractable door display screen.
Described step S2 is particularly as follows: CPU main control module detects ambient brightness, and root in real time by ambient brightness detection module
Display brightness according to surrounding brightness regulation retractable door display screen.
Described step S2 specifically includes sub-step
S21: the corresponding relation of ambient light levels and display-screen brightness grading is set；
S22, gathers surrounding brightness by ambient brightness detection module
S23, according to the corresponding relation regulation brightness of display screen of ambient light levels with display-screen brightness grading.
The invention has the beneficial effects as follows:
A kind of brightness of display screen control circuit, CPU main control module is bright by battery electric quantity and ambient brightness Intelligent adjustment display screen
Degree, improves the display screen display effect in varying environment, using electricity wisely simultaneously, and using running voltage is the lithium of human safety voltage
Battery is powered directly to display screen, powers to display screen compare with prior art uses city to be electrically coupled transformator, and cost is lower, more
Add safety.
Second of the present invention provides the benefit that:
A kind of retractable door with brightness of display screen control circuit, CPU main control module is by battery electric quantity and ambient brightness intelligence
Regulation retractable door brightness of display screen, improves the display screen display effect in varying environment, using electricity wisely simultaneously, uses running voltage
Lithium battery for human safety voltage is powered directly to display screen, supplies to display screen with prior art uses city to be electrically coupled transformator
Electricity is compared, and cost is lower, safer.
Use electrokinetic cell to mix solar panel, effectively convert the solar into electrical power storage in accumulator, give
Retractable door provides uninterrupted power source powered operation, uses solar powered and charging can effectively reduce the consumption of electric energy, saves
While use cost more environmentally-friendly.
The 3rd of the present invention provides the benefit that:
A kind of luminance control method for display screen, CPU main control module is bright by battery electric quantity and ambient brightness Intelligent adjustment display screen
Degree, improves the display screen display effect in varying environment, using electricity wisely simultaneously, and using running voltage is the lithium of human safety voltage
Battery is powered directly to display screen, powers to display screen compare with prior art uses city to be electrically coupled transformator, and cost is lower, more
Add safety.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is one brightness of display screen control circuit theory diagram of the present invention；
Fig. 2 (a) is CPU main control module circuit diagram of the present invention；
Fig. 2 (b) is AD acquisition module circuit diagram of the present invention；
Fig. 2 (c) is ambient brightness detection module circuit diagram of the present invention；
Fig. 3 is a kind of retractable door theory diagram with brightness of display screen control circuit of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.
Fig. 1 is the system principle diagram of the present invention a kind of brightness of display screen control circuit, as it is shown in figure 1, a kind of display screen
Intednsity circuit includes CPU main control module 1, AD acquisition module 2, lithium battery 3, ambient brightness detection module 4 and display screen 5.
Described CPU main control module 1 is connected with AD acquisition module 2, ambient brightness detection module 4 and display screen 5 respectively, and described AD gathers mould
Block 2 is connected with lithium battery 3, Real-time Collection lithium battery 3 electricity, and battery level information feeds back to CPU main control module 1, CPU master control
Module 1 judges that lithium battery 3 current electric quantity, whether less than power threshold, if so, reduces the display brightness of display screen 3；Described environment
Brightness detection module 4 uses light sensor, and light sensor detects the brightness of surrounding in real time, and will detect around
The data of ambient brightness pass to CPU main control module 1, and CPU main control module 1 is according to the display of surrounding brightness adjustment display screen 5
Brightness, when surrounding brightness is higher than when setting luminance threshold, and CPU main control module 1 strengthens the display brightness of display screen 5, works as week
When enclosing ambient brightness less than setting luminance threshold, CPU main control module 1 reduces the display brightness of display screen 5；To sum up, CPU master control mould
Tuber, improves to reach the purpose of using electricity wisely according to the display brightness of ambient brightness and battery level information Intelligent adjustment display screen
Display screen is in the display effect of varying environment.The lithium battery that the present invention uses running voltage to be safe voltage 36V shows to retractable door
Display screen is powered, and is used in combination compared with civil power and transformator power to display screen with prior art, it is not necessary to using transformator, cost is more
Low, use safer.
Fig. 2 (a) is CPU main control module circuit diagram of the present invention, a kind of brightness of display screen control circuit, CPU master control mould
Block 1 uses stc15f2k16 model single-chip microcomputer, and wherein pin 14 connects 5V power supply, pin 16 ground connection, and pin 14 and pin 16 pass through
One electric capacity C18 connects.
Fig. 2 (b) is AD acquisition module circuit diagram of the present invention, a kind of brightness of display screen control circuit, AD acquisition module
Being connected with CPU main control module, in AD acquisition module circuit 2, the lithium battery two ends resistance HR2 that connects respectively is connected in Fig. 2 A
The single-chip microcomputer P13 port of described CPU main control module 1.
Fig. 2 (c) is ambient brightness detection module circuit diagram of the present invention, a kind of brightness of display screen control circuit, environment
Brightness detection module is connected with CPU main control module, in ambient brightness detection module 4, uses two light sensor HR4 to gather week
Enclose ambient brightness, one end of the first light sensor HR4 is connected with 5V power supply, the other end with the list of above-mentioned CPU main control module 1
On sheet machine P15 port connect, one end of the second light sensor HR4 is connected with 5V power supply, the other end and with above-mentioned CPU master control mould
On the single-chip microcomputer of block 1, P16 port connects.
A kind of retractable door with brightness of display screen control circuit, CPU main control module passes through battery electric quantity and ambient brightness
Intelligent adjustment retractable door brightness of display screen, improves the display screen display effect in varying environment, using electricity wisely simultaneously, uses work
Voltage is that the lithium battery of human safety voltage is powered directly to display screen, with prior art uses city to be electrically coupled transformator to display
Screen power supply is compared, and cost is lower, safer.
Fig. 3 is a kind of retractable door theory diagram with brightness of display screen control circuit of the present invention, a kind of with display screen
The retractable door of intednsity circuit, including door pillar 1, door body 2, head 3, return pulley 4, one end of described door body 2 is connected with door pillar 1,
The other end is connected with head 3, is mounted on return pulley bottom described door body 2 and head 3, and described retractable door also includes above-mentioned display screen
Intednsity circuit 5, described brightness of display screen control circuit 5 is arranged on head 3 front end and is electrically connected with head 3, described in stretch
Contracting door also includes solar panel 6, and solar panel 6 converts the electric energy got to the lithium in above-mentioned display panel control circuit
Battery is charged, and solar panel can be fixed on wall column or frame is at the top of head, solar energy in the present embodiment
Cell panel 6 is fixed on on the wall column of door pillar 1 one end, and solar panel is angled with head top levels (permissible
It is 0 degree to 90 degree), the preferred solar panel of the present embodiment becomes 45 degree of angles with head top levels, uses electrokinetic cell to join
Upper solar panel, effectively converts the solar into electrical power storage in accumulator, so can ensure that power-off when,
Retractable door can be controlled remotely, and retractable door display panel control circuit normally works.While improving safety, it is provided that between not
Power-off source powered operation, uses solar powered and charging can effectively reduce the consumption of electric energy, while saving use cost
More environmentally-friendly.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art also can make all equivalent variations on the premise of spirit of the present invention or replace
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (10)
1. a brightness of display screen control circuit, it is characterised in that it include CPU main control module, AD acquisition module, lithium battery,
Ambient brightness detection module and display screen, the outfan of described AD acquisition module is connected with the first input end of CPU main control module,
The input of described AD acquisition module is connected with lithium battery outfan, the outfan of described ambient brightness detection module and CPU master
Second input of control module connects, and the described outfan of CPU main control module is connected with the input of display screen, described lithium battery
Running voltage is human safety voltage.
A kind of brightness of display screen control circuit the most according to claim 1, it is characterised in that described ambient brightness detection mould
Block includes light sensor.
A kind of brightness of display screen control circuit the most according to claim 1, it is characterised in that described CPU main control module type
Number it is stc15f2k16.
A kind of brightness of display screen control circuit the most according to claim 1, it is characterised in that described AD acquisition module is used for
Real-time Collection electric quantity of lithium battery.
A kind of brightness of display screen control circuit the most according to claim 1, it is characterised in that described display screen is that LED shows
Display screen.
6. with a retractable door for brightness of display screen control circuit, including wall column, door body, head, return pulley, the one of described door body
End is connected with wall column, the other end is connected with head, is mounted on return pulley, it is characterised in that described bottom described door body and head
Retractable door also includes the brightness of display screen control circuit as described in any one of claim 1 to 5, and described brightness of display screen controls electricity
Road is arranged on head front end and is electrically connected with head.
A kind of retractable door with brightness of display screen control circuit the most according to claim 6, it is characterised in that described in stretch
Contracting door also includes solar panel, and described solaode grillage is at the top of head or is fixed on wall column, described too
Sun can be used for providing working power for brightness of display screen control circuit by cell panel.
8. a luminance control method for display screen, it is characterised in that it includes step:
S1, CPU main control module passes through AD acquisition module Real-time Collection electric quantity of lithium battery, it is judged that whether lithium battery current electric quantity is less than
Power threshold, if so, reduces the display brightness of retractable door display screen；
S2, CPU main control module detects ambient brightness in real time by ambient brightness detection module, and according to surrounding brightness regulation
The display brightness of retractable door display screen.
A kind of luminance control method for display screen the most according to claim 8, it is characterised in that described step S2 particularly as follows:
CPU main control module detects ambient brightness in real time by ambient brightness detection module, and according to surrounding brightness regulation retractable door
The display brightness of display screen.
A kind of luminance control method for display screen the most according to claim 8, it is characterised in that described step S2 is specifically wrapped
Enclosed tool step
S21: the corresponding relation of ambient light levels and display-screen brightness grading is set；
S22, gathers surrounding brightness by ambient brightness detection module
S23, according to the corresponding relation regulation brightness of display screen of ambient light levels with display-screen brightness grading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710631.1A CN106128356A (en) | 2016-08-23 | 2016-08-23 | A kind of brightness of display screen control circuit, control method and retractable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610710631.1A CN106128356A (en) | 2016-08-23 | 2016-08-23 | A kind of brightness of display screen control circuit, control method and retractable door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128356A true CN106128356A (en) | 2016-11-16 |
Family
ID=57275346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610710631.1A Pending CN106128356A (en) | 2016-08-23 | 2016-08-23 | A kind of brightness of display screen control circuit, control method and retractable door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106128356A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106559576A (en) * | 2016-11-26 | 2017-04-05 | 宇龙计算机通信科技(深圳)有限公司 | A kind of screen adjustment method and mobile terminal |
| CN107293254A (en) * | 2017-07-31 | 2017-10-24 | 合肥上量机械科技有限公司 | Display screen based on computer control automatically regulated luminance |
| CN112002292A (en) * | 2020-08-26 | 2020-11-27 | 天津七一二通信广播股份有限公司 | Emergency station screen automatic brightness adjustment realization method |
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| CN205407015U (en) * | 2016-03-06 | 2016-07-27 | 国网山东省电力公司巨野县供电公司 | Emergency lighting device of block terminal |
| CN205984240U (en) * | 2016-08-23 | 2017-02-22 | 李小司 | Display screen brightness control circuit and flexible door |
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| US20100117946A1 (en) * | 2008-11-10 | 2010-05-13 | Au Optronics (Suzhou) Corp. | Brightness adjustable electrical apparatus |
| CN102913119A (en) * | 2011-08-05 | 2013-02-06 | 张宝东 | Solar energy electric retractable door |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559576A (en) * | 2016-11-26 | 2017-04-05 | 宇龙计算机通信科技(深圳)有限公司 | A kind of screen adjustment method and mobile terminal |
| CN107293254A (en) * | 2017-07-31 | 2017-10-24 | 合肥上量机械科技有限公司 | Display screen based on computer control automatically regulated luminance |
| CN112002292A (en) * | 2020-08-26 | 2020-11-27 | 天津七一二通信广播股份有限公司 | Emergency station screen automatic brightness adjustment realization method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |