CN204965954U - Outdoor dot -matrix display screen - Google Patents
Outdoor dot -matrix display screen Download PDFInfo
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- CN204965954U CN204965954U CN201520694017.1U CN201520694017U CN204965954U CN 204965954 U CN204965954 U CN 204965954U CN 201520694017 U CN201520694017 U CN 201520694017U CN 204965954 U CN204965954 U CN 204965954U
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Abstract
The utility model provides an outdoor dot -matrix display screen, including power source, communication signal interface, processing circuit and demonstration dot matrix, the electric connection power supply chip of power source, the power supply chip is connected with the processing circuit electricity, and processing circuit electricity connection no. 1 and the electric power drive chip of being connected of demonstration dot matrix show that the dot matrix includes a plurality of emitting diode, and a constant current drive chip is connected to emitting diode's negative electricity, a constant current drive chip electric connection microprocessor, a control panel is connected to the microprocessor electricity, decoder and storage state register that processing circuit connects including the electricity, the storage state register includes register and a plurality of pin, the pin of storage state register is connected with the control foot of power drive chip electricity, microprocessor still electricity connects a light intensity sensing device. Microprocessor still electricity connects a light intensity sensing device. Better display effect can be obtained, the electric energy has been practiced thrift again.
Description
Technical field
The utility model relates to electronical display dot matrix field, more specifically, relates to a kind of outdoor lattice display screen.
Background technology
As everyone knows, occurred now a lot about the commodity of matrix display on the market, as advertising campaign film titler, stock display board, movable notice board etc.Its advantage size, shape, monochrome or colour on demand to combine, and can be connected, do various advertisement column word or graphic change with microprocessor.Therefore known Chinese-character display system is how important in the middle of the life of the people, is also one of problem of research.
8 × 8 Matrix LED alphanumeric display systems occupy very consequence in industry, various match occasion and daily life application, for many years, study this object engineering technical personnel once for simplifying circuit, improving reliability, reducing costs, paid very large effort, made many achievements.Nowadays, attractive in appearance, inexpensive, volume is little, the appearance of high reliability 8 × 8 Matrix LED alphanumeric display, the technology for this field opens the new world.
But the backlight illumination of open air display dot matrix at present is on the market all very single, does not have multistage dimming function, too bright dazzling and waste electric energy under weak surround lighting, then too gloomy and do not reach display effect under high light.
Utility model content
The utility model provides a kind of outdoor lattice display screen, all very single with the backlight illumination solving current open air display dot matrix on the market, do not possess multistage dimming function, too bright dazzling and waste electric energy under weak surround lighting, then too gloomy and do not reach the technical matters of display effect under high light.
The utility model provides a kind of outdoor lattice display screen, the display dot matrix comprising power interface, communication signal interface, the signal processing circuit be connected with communication signal interface and be connected with signal processing circuit;
Power interface is electrically connected a power supply chip, power supply chip is electrically connected with signal processing circuit, the power drive chip that signal processing circuit electrical connection one is electrically connected with display dot matrix, display dot matrix comprises multiple light emitting diode, positive pole and the power drive chip electrical of light emitting diode connect, and the negative electricity of light emitting diode connects a constant-current driven chip; Constant-current driven chip is electrically connected a microprocessor, and microprocessor is electrically connected a control panel, and control panel is for inputting the steering order of the driving current value arranging constant-current driven chip;
Signal processing circuit comprises code translator and the store status register of electrical connection, and code translator is used for changing the serial input data from communication signal interface into parallel output data; Store status register comprises register and multiple pin, and register is used for memory parallel and exports data, and pin is used for exporting corresponding level according to the Boolean of parallel output data;
The pin of store status register is electrically connected with the control pin of power drive chip, power drive chip be used for according to pin export level conducting or close corresponding light emitting diode current supply circuit;
Microprocessor is also electrically connected a light intensity sensing device, and light intensity sensing device is used for generating corresponding light-intensity test signal according to surrounding enviroment light intensity, and microprocessor is used for the driving current value arranging constant-current driven chip according to the adjustment of light-intensity test signal.
Further, power supply chip comprises 3.3V supply voltage chip or 5V supply voltage chip.
Further, power drive chip comprises 74HC4953.
Further, constant-current driven chip comprises SM16026.
Further, the color of light emitting diode comprises one or more in redness, yellow, blueness, green and white.
Further, communication signal interface comprises contact pin type electric plug or press-button type electric plug.
The beneficial effects of the utility model:
The utility model outdoor lattice display screen, the display dot matrix comprising power interface, communication signal interface, the signal processing circuit be connected with communication signal interface and be connected with signal processing circuit.Display dot matrix comprises multiple light emitting diode, and positive pole and the power drive chip electrical of light emitting diode connect, and the negative electricity of light emitting diode connects a constant-current driven chip.Simultaneously, constant-current driven chip is electrically connected with a microprocessor, can the driving current value of Contrast tuned imaging constant-current driven chip by this microprocessor, reach the size of current of control flow check light emitting diode in display dot matrix, thus realize the multistage dimming function of the display screen to display dot matrix composition.
In addition, this microprocessor is also electrically connected with a light intensity sensing device.Microprocessor receiving light power sensing device generates light-intensity test signal according to surrounding enviroment intensity of illumination, and according to this light-intensity test signal adjustment driving current value, to realize Intelligent adjustment to the brightness of outdoor lattice display backlight, better display effect can be realized, again can effective saves energy.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the hardware structure figure of the utility model embodiment outdoor lattice display screen.
Reference numeral:
10, communication signal interface; 20, signal processing circuit; 30, dot matrix is shown; 31, power drive chip; 32, constant-current driven chip; 40, power supply chip; 50, microprocessor; 60, power interface; 70, control panel; 80, light intensity sensing device.
Embodiment
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
With reference to Fig. 1, the utility model embodiment provides a kind of outdoor lattice display screen, the display dot matrix 30 comprising power interface 60, communication signal interface 10, the signal processing circuit 20 be connected with communication signal interface 10 and be connected with signal processing circuit 20; Power interface 60 is electrically connected a power supply chip 40, power supply chip 40 is electrically connected with signal processing circuit 20, signal processing circuit 20 is electrically connected a power drive chip 31 be electrically connected with display dot matrix 30, display dot matrix 30 comprises multiple light emitting diode, the positive pole of light emitting diode is electrically connected with power drive chip 31, and the negative electricity of light emitting diode connects a constant-current driven chip 32; Constant-current driven chip 32 is electrically connected a microprocessor 50, and microprocessor 50 is electrically connected a control panel 70, and control panel 70 is for inputting the steering order of the driving current value arranging constant-current driven chip 32; Signal processing circuit 20 comprises code translator and the store status register of electrical connection, and code translator is used for changing the serial input data from communication signal interface 10 into parallel output data; Store status register comprises register and multiple pin, and register is used for memory parallel and exports data, and pin is used for exporting corresponding level according to the Boolean of parallel output data; The pin of store status register is electrically connected with the control pin of power drive chip 31, and power drive chip 31 is for the level conducting that exports according to pin or close corresponding light emitting diode current supply circuit; Microprocessor 50 is also electrically connected a light intensity sensing device 80, and light intensity sensing device 80 is for generating corresponding light-intensity test signal according to surrounding enviroment light intensity, and microprocessor 50 is for arranging the driving current value of constant-current driven chip 32 according to the adjustment of light-intensity test signal.
Constant-current driven chip 32 is electrically connected with a microprocessor 50, can the driving current value of Contrast tuned imaging constant-current driven chip 32 by this microprocessor 50, reach the size of current of control flow check light emitting diode in display dot matrix 30, thus realize the multistage dimming function to the display screen that display dot matrix 30 forms.
In addition, this microprocessor 50 is also electrically connected with a light intensity sensing device 80.Microprocessor 50 receiving light power sensing device 80 generates light-intensity test signal according to surrounding enviroment intensity of illumination, and according to this light-intensity test signal adjustment driving current value, to realize the Intelligent adjustment to the brightness of outdoor lattice display backlight, better display effect can be realized, again can effective saves energy.
Wherein, control panel 70 comprises multiple button, user can to microprocessor 50 input of control commands by button, microprocessor 50 arranges the driving current value of constant-current driven chip 32 according to this control command, user is made to regulate the backlight illumination of display dot matrix 30 according to the actual requirements in real time, very convenient.
Further, power supply chip 40 comprises 3.3V supply voltage chip or 5V supply voltage chip.
Further, power drive chip 31 comprises 74HC4953.
Further, constant-current driven chip 32 comprises SM16026.
Further, the color of light emitting diode comprises one or more in redness, yellow, blueness, green and white.
Further, communication signal interface 10 comprises contact pin type electric plug or press-button type electric plug.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. an outdoor lattice display screen, is characterized in that, the display dot matrix that described outdoor lattice display screen comprises power interface, communication signal interface, the signal processing circuit be connected with described communication signal interface and is connected with described signal processing circuit;
Described power interface is electrically connected a power supply chip, described power supply chip is electrically connected with described signal processing circuit, the power drive chip that described signal processing circuit electrical connection one is electrically connected with described display dot matrix, described display dot matrix comprises multiple light emitting diode, positive pole and the described power drive chip electrical of described light emitting diode connect, and the negative electricity of described light emitting diode connects a constant-current driven chip; Described constant-current driven chip is electrically connected a microprocessor, and described microprocessor is electrically connected a control panel, and described control panel is for inputting the steering order of the driving current value arranging described constant-current driven chip;
Described signal processing circuit comprises code translator and the store status register of electrical connection, and described code translator is used for changing the serial input data from described communication signal interface into parallel output data; Described store status register comprises register and multiple pin, and described register is for storing described parallel output data, and described pin is used for exporting corresponding level according to the Boolean of described parallel output data;
The pin of described store status register is electrically connected with the control pin of described power drive chip, and described power drive chip is used for the level conducting that exports according to described pin or closes corresponding light emitting diode current supply circuit;
Described microprocessor is also electrically connected a light intensity sensing device, described light intensity sensing device is used for generating corresponding light-intensity test signal according to surrounding enviroment light intensity, and described microprocessor is used for the driving current value arranging described constant-current driven chip according to described light-intensity test signal adjustment.
2. outdoor lattice display screen according to claim 1, is characterized in that, described power supply chip comprises 3.3V supply voltage chip or 5V supply voltage chip.
3. outdoor lattice display screen according to claim 1, is characterized in that, described power drive chip comprises 74HC4953.
4. outdoor lattice display screen according to claim 1, is characterized in that, described constant-current driven chip comprises SM16026.
5. outdoor lattice display screen according to claim 1, is characterized in that, the color of described light emitting diode comprise in redness, yellow, blueness, green and white one or more.
6., according to the arbitrary described outdoor lattice display screen of claim 1 to 5, it is characterized in that, described communication signal interface comprises contact pin type electric plug or press-button type electric plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520694017.1U CN204965954U (en) | 2015-09-09 | 2015-09-09 | Outdoor dot -matrix display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520694017.1U CN204965954U (en) | 2015-09-09 | 2015-09-09 | Outdoor dot -matrix display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204965954U true CN204965954U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520694017.1U Expired - Fee Related CN204965954U (en) | 2015-09-09 | 2015-09-09 | Outdoor dot -matrix display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204965954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885260A (en) * | 2017-11-06 | 2018-04-06 | 深圳市中孚能电气设备有限公司 | A kind of Automatic adjustment method and system |
| CN110223630A (en) * | 2019-07-09 | 2019-09-10 | 北京颐景丰科技有限公司 | A kind of LED caption machine |
-
2015
- 2015-09-09 CN CN201520694017.1U patent/CN204965954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885260A (en) * | 2017-11-06 | 2018-04-06 | 深圳市中孚能电气设备有限公司 | A kind of Automatic adjustment method and system |
| CN110223630A (en) * | 2019-07-09 | 2019-09-10 | 北京颐景丰科技有限公司 | A kind of LED caption machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |