CN203490927U - Environmental parameters self-adaptation display equipment brightness automatic control device - Google Patents
Environmental parameters self-adaptation display equipment brightness automatic control device Download PDFInfo
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- CN203490927U CN203490927U CN201320566226.9U CN201320566226U CN203490927U CN 203490927 U CN203490927 U CN 203490927U CN 201320566226 U CN201320566226 U CN 201320566226U CN 203490927 U CN203490927 U CN 203490927U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an environmental parameters self-adaptation display equipment brightness automatic control device, relates to the display equipment brightness control field, and solves the problems in the prior art that the display equipment brightness cannot be automatically adjusted according to environment visibility and illumination intensity; the device comprises a controller connected with a photoreceptor and provided with an environment visibility real time detection data interface; the controller comprises a micro-processor and a brightness adjusting control unit connected with the micro-processor; the brightness adjusting control unit is provided with a port connected with the display equipment. The environmental parameters self-adaptation display equipment brightness automatic control device can automatically adjust the brightness of the display equipment according to environment visibility and environment illumination intensity; when the environment visibility is bigger than or equal to a set minimum value, and light is dark, the brightness can be automatically reduced, halation is thus prevented; when light is too strong, the brightness can be automatically enhanced, so the display equipment can be clearly seen; therefore, the display content of the display equipment can be clearly recognized under different environment visibility and environment illumination intensity, thereby greatly saving power consumption.
Description
Technical field
The utility model relates to display device brilliance control technical field, is specifically related to a kind of display device of controlling and with environment visibility and intensity of illumination self-adaptation, adjusts the automaton of brightness.
Background technology
Existing display device, such as traffic lights, LED display, automobile tail light, outdoor advertisement screen, irradiancy signboard etc. is generally the lattice luminous dish that LED luminotron forms, and its inside is by DC voltage or current drives; Due to the direct supply voltage of existing display device or electric current normally fixing, so its display brightness at any time is all fixed, therefore, distinct issues are exactly that the brightness of display device can not be melted with external environment light well mutually.Under the ambient lighting intensity constantly changing, the display effect of display device also can change thereupon, and especially out of doors, the contrast of this display brightness causes serious discomfort can to people's vision.For example, in the time of at noon, outdoor light is stronger, and the brightness meeting of display device is relatively dark, forms larger contrast, and it is very painstaking visually to see; The in the situation that of rather dark at night, the brightness of display device is relatively strong, forms larger contrast with surrounding environment, can produce twinkling halation, cause on the one hand the discomfort of vision, also cause on the other hand great energy dissipation, do not meet the energy-saving and emission-reduction policy that country vigorously advocates.
Utility model content
The defect existing in order to solve above-mentioned technology, the utility model provides a kind of display device of controlling with environment visibility and intensity of illumination self-adaptation, to adjust the automaton of brightness.
The utility model is realized the technical scheme that above-mentioned technique effect adopts:
The adaptive display device automatic brightness and controller of a kind of environmental parameter, it comprises and is connected with sensor devices and is provided with for being connected the controller of the environment visibility real-time detector data interface of visibility detecting device, described controller comprises and is packaged with the microprocessor of analog to digital converter, digital to analog converter and the brightness regulation control module being connected with described microprocessor, and described brightness regulation control module is provided with the port being connected with display device.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, described sensor devices is located at the front and back of this display device, to detect the multi-faceted ambient lighting intensity such as the side to light that causes because of sun light irradiation angle and shady face.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, visibility corresponding to visibility detecting device connecting on described environment visibility real-time detector data interface detects priority higher than ambient lighting intensity induction priority corresponding to sensor devices.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, described sensor devices is at least one.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, described device also stores the minimum environment visibility threshold value of carrying out big or small logic contrast for the digital signal value with current environment visibility in controller.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, on described controller, be also provided with a programmable interface, this programmable interface is set the minimum environment visibility threshold value of storing in described controller and ambient lighting intensity and mapping table corresponding to display device brightness for connecting programmable device.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, the output terminal of described sensor devices is connected with the input end of analog to digital converter, and the signal output part of visibility detecting device is connected with the communication interface of microprocessor by communication link.
The adaptive display device automatic brightness and controller of above-mentioned a kind of environmental parameter, described microprocessor receive for carrying out the maximum environment illumination intensity value of the ambient lighting intensity level that the ambient lighting intensity level of Map Searching display device display brightness parameter is each light sensors sense with mapping table.
The beneficial effects of the utility model are: the utility model is by the real-time data acquisition of sensor devices and visibility detecting device, and by microprocessor by the signal value gathering and the minimum environment visibility threshold value comparison of storage inside, and then send corresponding control signal and control this device and be operated in different mode of operations, when environment visibility is more than or equal to minimum environment visibility threshold value, self-adaptation mode of operation starts, brightness regulation control module is according to the brightness of external environment condition illumination dynamic changes of strength ground regulation and control display device, the brightness that makes display device changes with the variation of ambient light, when ambient light brighter display, the brightness of display device is also brighter, when the brightness of the darker display device of ambient light also darker, when environment visibility is less than minimum environment visibility threshold value, steady job pattern starts, and brightness regulation control module is controlled display device and is operated in full power state, reaches the brightest show state.Adopt technique scheme to make this device when environment visibility is not less than minimum environment visibility threshold value, accomplished that ambient light is bright again, the demonstration of display device also can see clearly, and ambient light is dark again, and the demonstration of display device can not produce halation yet and dazzle; Reached in varying environment visibility and ambient lighting situation, can make the displaying contents of display device clear and legible, also can reduce unnecessary energy consumption, can save greatly energy consumption in actual use simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is workflow diagram of the present utility model;
Embodiment
In order to describe more clearly the technical solution of the utility model, below with reference to Figure of description and the preferred specific embodiment of the utility model, the utility model is described in further detail:
As preferred embodiment of the present utility model, shown in seeing figures.1.and.2, the adaptive display device automatic brightness and controller of a kind of environmental parameter, it comprises the controller that is connected with sensor devices, controller comprises and is packaged with analog to digital converter, the microprocessor of digital to analog converter and the brightness regulation control module being connected with microprocessor, brightness regulation control module is provided with the port being connected with display device, by this port, this device can be connected to signal lamp, on the display device such as outdoor advertisement screen or LED display, also can be encapsulated in and in above-mentioned display device, do the as a whole automatic adjusting of display device being carried out to brightness.
In the specific implementation, in order to prevent that sensor devices is subject to the impact of sun light irradiation angle in real-time data acquisition, sensor devices is provided with a plurality of, and is laid in the front and back of this device.For well compatible dissimilar visibility detecting device, this device is provided with for connecting the environment visibility real-time detector data interface of visibility detecting device on controller, by this environment visibility real-time detector data interface, can expand the use range of device described in the utility model, and can replace easily visibility detecting device, extend the serviceable life of this device.
In the specific implementation, controller also comprises for storing the register of mapping table corresponding to minimum environment visibility threshold value and ambient lighting intensity and display device brightness, this register is read-write, can set neatly minimum environment visibility threshold value and mapping table according to actual conditions such as the different atmospheric environment in various places and visibility, this minimum environment visibility threshold value is for carrying out big or small logic contrast with current environment visibility parameter value, then microprocessor enables to control to the signal end of controller according to the logical process result drawing, between the self-adaptation mode of operation of this device and steady job pattern, switch, mapping table is that brightness regulation control module carries out a corresponding relation table of brightness regulation to display device in self-adaptation mode of operation, different interval external environment condition illumination intensity level correspondences are answered different interval display brightness parameters in mapping table, by searching corresponding interval display brightness parameter, brightness regulation control module regulates the brightness of display device, wherein microprocessor receive for carrying out the maximum environment illumination intensity value of the ambient lighting intensity level that the ambient lighting intensity level of Map Searching display device display brightness parameter is each light sensors sense with mapping table.This microprocessor also comprises for the simulating signal amount of sensor devices and the collection of visibility detecting device being converted to the analog to digital converter of the digital signal value that can be identified by microprocessor.In order can ambient lighting intensity and corresponding mapping table and the minimum environment visibility threshold value of display device brightness that set in this device to be modified and to be adjusted, the utility model is also provided with a programmable interface on controller, this programmable interface can be used for connecting programmable device, and by programmable device, the minimum environment visibility threshold value of storing in controller is set.By certainly set the mode of minimum environment visibility threshold value make control device described in the utility model can better with geographic location, season etc. external factor carry out the corresponding coupling of minimum environment visibility threshold value, there is stronger dirigibility, usable range is wider, and adaptability is stronger.
In the specific implementation, for the different brightness regulation control mode of compatibility, on controller, be also provided with digital-to-analog conversion interface and communication interface, by this digital-to-analog conversion interface, digital signal value can be converted to the simulating signals such as electric current, directly outputing to the brightness to display device on brightness regulation control module controls in real time, in addition, by communication interface, also the display parameter in the ambient lighting intensity of storing in controller and mapping table corresponding to display device brightness can be outputed to brightness regulation control module controls in real time to the brightness of display device.
As another kind of preferred embodiment described in the utility model, in other structures, keep with above-mentioned the first preferred embodiment identical in the situation that, sensor devices can be the sensor devices that is integrated with analog to digital converter, this sensor devices that is integrated with analog to digital converter can directly be changed the ambient lighting strength simulation semaphore sensing, is then input to controller inside and carries out logic contrast processing.
Principle of work of the present utility model is:
First, receive the external environment condition visibility parameter value of visibility detecting device induction; Then, controller carries out logical process to the minimum environment visibility threshold value of storing in outside environmental energy degree of opinion parameter value and controller, the digital signal value that judgement gathers and the magnitude relationship of minimum environment visibility threshold value;
When external environment condition visibility parameter value is more than or equal to minimum environment visibility threshold value, microprocessor sends enable signal and controls this device startup self-adaptation mode of operation, sensor devices starts to respond to the intensity of illumination of external environment condition, and each sensing element is detected to intensity of illumination analog input maximum in the intensity of illumination obtaining in controller, then transferring corresponding display parameter in mapping table makes brightness regulation control module regulate in real time the output power of display device, display device is with the adaptive change brightness of the intensity of illumination display parameter of external environment condition, adjusting display brightness, when external environment condition visibility parameter value is less than minimum environment visibility threshold value, this device starts steady job pattern under the enable signal of microprocessor is controlled, brightness regulation control module is controlled display device and is operated under full power state, reaches the brightest show state.
In order more accurately to react truly the intensity of illumination of current environment in self-adaptation mode of operation, the simulating signal amount that is input to the external environment condition illumination intensity in controller is to be laid in each sensor devices of different parts on display device to detect intensity of illumination analog quantity maximum in the analog quantity obtaining, this peaked intensity of illumination analog quantity is by microprocessor processes and by the output power of the dynamic real-time adjusting display device of brightness regulation control module, thereby the display brightness of adaptive change display device, the brightness that reaches display device is melted mutually with ambient lighting intensity, adapt.
To sum up, when the external environment visibility (as: rainy day, snow day, while haze sky etc.) reaching certain value, when this value is more than or equal to the minimum environment visibility threshold value of storing in register, this device is operated in ambient brightness self-adaptation mode of operation under the control of controller, when ambient brightness is under strong sunshine and when the interval of the ambient brightness at night changes, this device can be controlled display device brightness automatically, the brightness of accomplishing ambient light brighter display display device is also brighter, the brightness of the darker display device of ambient light is also darker, make the displaying contents of display device clear and legible, this device is according to the situation of change of environmental parameter, the brightness of display device is controlled between 50%～100% automatically, and can regulate flexibly brightness section by programmable interface, therefore saves energy effectively, be proven, it can save energy consumption (approximately 25%) in actual use greatly,
In addition, when the parameter value of external environment visibility (as: rainy day, snow sky, haze sky etc.) is during lower than minimum environment visibility threshold value in register, this device automatically operates in the total power steady job pattern of high-high brightness, makes the brightest demonstration of display device.In addition, also it should be noted that, device described in the utility model can be used as a kind of control module and is directly encapsulated in and in display device, does as a whole use, also can be separately as a kind of control device of display device display brightness, separately use, by port, connect third-party display device, reach the object of controlling display device display brightness.Above-mentioned combination is also within protection scope of the present invention.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and instructions, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. the adaptive display device automatic brightness and controller of environmental parameter, it is characterized in that, described device comprises and is connected with sensor devices and is provided with for being connected the controller of the environment visibility real-time detector data interface of visibility detecting device, described controller comprises and is packaged with the microprocessor of analog to digital converter, digital to analog converter and the brightness regulation control module being connected with described microprocessor, and described brightness regulation control module is provided with the port being connected with display device.
2. the adaptive display device automatic brightness and controller of a kind of environmental parameter according to claim 1, it is characterized in that, described sensor devices is located at the front and back of this display device, to detect the multi-faceted ambient lighting intensity such as the side to light that causes because of sun light irradiation angle and shady face.
3. the adaptive display device automatic brightness and controller of a kind of environmental parameter according to claim 1, is characterized in that, the visibility that described visibility detecting device is corresponding detects priority higher than ambient lighting intensity induction priority corresponding to sensor devices.
4. according to the adaptive display device automatic brightness and controller of a kind of environmental parameter described in claim 2 or 3, it is characterized in that, described microprocessor also comprises for the simulating signal amount of sensor devices and the collection of visibility detecting device being converted to the analog to digital converter of the digital signal value that can be identified by microprocessor.
5. according to the adaptive display device automatic brightness and controller of a kind of environmental parameter described in claim 1 or 3, it is characterized in that, described device also stores the minimum environment visibility threshold value of carrying out big or small logic contrast for the digital signal value corresponding with current environment visibility simulating signal amount in controller.
6. the adaptive display device automatic brightness and controller of a kind of environmental parameter according to claim 1, is characterized in that, described device also stores ambient lighting intensity and mapping table corresponding to display device brightness in controller.
7. the adaptive display device automatic brightness and controller of a kind of environmental parameter according to claim 5, it is characterized in that, on described controller, be also provided with a programmable interface, this programmable interface is set minimum environment visibility threshold value and the mapping table stored in described controller for connecting programmable device.
8. according to the adaptive display device automatic brightness and controller of a kind of environmental parameter described in claim 1 to 7 any one, it is characterized in that, described microprocessor receive for carrying out the maximum environment illumination intensity value of the ambient lighting intensity level that the ambient lighting intensity level of Map Searching display device display brightness parameter is each light sensors sense with mapping table.
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| CN201320566226.9U CN203490927U (en) | 2013-09-12 | 2013-09-12 | Environmental parameters self-adaptation display equipment brightness automatic control device |
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| CN201320566226.9U CN203490927U (en) | 2013-09-12 | 2013-09-12 | Environmental parameters self-adaptation display equipment brightness automatic control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474047A (en) * | 2013-09-12 | 2013-12-25 | 宁波保税区立诚信息技术有限公司 | Environmental parameter self-adapting automatic luminance control device and method of displaying device |
| CN104766591A (en) * | 2015-04-12 | 2015-07-08 | 南京巨鲨显示科技有限公司 | Displayer with ambient light self-adaption function and work procedure thereof |
| CN108550354A (en) * | 2018-04-23 | 2018-09-18 | 奥克斯空调股份有限公司 | Brightness of display screen autocontrol method and air conditioner |
| CN108954682A (en) * | 2018-05-29 | 2018-12-07 | 奥克斯空调股份有限公司 | Air conditioner display screen brightness adjusting method and air conditioner |
| CN109065000A (en) * | 2018-09-13 | 2018-12-21 | 徐州卓控科技有限公司 | A kind of fluorescent screen automatic regulating lightness device |
-
2013
- 2013-09-12 CN CN201320566226.9U patent/CN203490927U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474047A (en) * | 2013-09-12 | 2013-12-25 | 宁波保税区立诚信息技术有限公司 | Environmental parameter self-adapting automatic luminance control device and method of displaying device |
| CN103474047B (en) * | 2013-09-12 | 2016-10-05 | 宁波保税区立诚信息技术有限公司 | A kind of ambient parameter adaptive display device automatic brightness and controller and method |
| CN104766591A (en) * | 2015-04-12 | 2015-07-08 | 南京巨鲨显示科技有限公司 | Displayer with ambient light self-adaption function and work procedure thereof |
| CN108550354A (en) * | 2018-04-23 | 2018-09-18 | 奥克斯空调股份有限公司 | Brightness of display screen autocontrol method and air conditioner |
| CN108954682A (en) * | 2018-05-29 | 2018-12-07 | 奥克斯空调股份有限公司 | Air conditioner display screen brightness adjusting method and air conditioner |
| CN108954682B (en) * | 2018-05-29 | 2020-07-31 | 奥克斯空调股份有限公司 | Air conditioner display screen brightness adjusting method and air conditioner |
| CN109065000A (en) * | 2018-09-13 | 2018-12-21 | 徐州卓控科技有限公司 | A kind of fluorescent screen automatic regulating lightness device |
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