CN203787062U - Light adjusting display device used for washing machine - Google Patents
Light adjusting display device used for washing machine Download PDFInfo
- Publication number
- CN203787062U CN203787062U CN201420070173.6U CN201420070173U CN203787062U CN 203787062 U CN203787062 U CN 203787062U CN 201420070173 U CN201420070173 U CN 201420070173U CN 203787062 U CN203787062 U CN 203787062U
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- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 22
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Abstract
The utility model relates to a light adjusting display device used for a washing machine, which comprises a main control board and a display board arranged on the main control board and connected with the main control board. The main control board comprises a PWM chopper adjusting unit; the display board comprises an LED display screen, a light brightness detection unit connected with a main control board ADC input port and a display unit connected with a main control board signal output port; and two connection ports of the display unit are respectively connected with two connection interfaces of the LED display screen. According to the light adjusting display device used for a washing machine, the structure is simple, the brightness grade does not need to be manually controlled and adjusted, the brightness grade is not arranged, the display brightness can be automatically adjusted according to the brightness of the outer environment, and energy conservation and environmental protection are facilitated.
Description
Technical field
The utility model relates to a kind of display device, is specifically related to a kind of light adjusting display device for washing machine.
Background technology
At present, the various electric equipment products that use in people's life have all been used display device, in the process of display device, human eye is very responsive to the surrounding environment brightness of display device, particularly brightness is in the time of sudden change, can exert an adverse impact to people's vision, but the display device using in current electric equipment products mostly is constant brightness, can not regulate, or be provided with adjusting button, be divided into different several gray scales and carry out manual shift, can not reach and the coordinating of surrounding environment brightness, and regulate cumbersome.
Granted publication number for the CN200940917Y(patent No. be ZL200620062844.X) Chinese patent " a kind of air conditioner with brightness adjustable screen " in disclosed a kind of air conditioner with brightness adjustable screen, comprise the display screen being located on air-conditioner shell, control panel, and and display screen, the air conditioning control device of control panel electrical connection, control device and telepilot wireless connections, described telepilot or control panel are provided with the button of setting luminance signal, this button is with signal receiving device wireless connections or be electrically connected, although this device facilitates the brightness of user oneself regulation and control air-conditioning display screen, meet different people demand to different brightness under varying environment, play energy-conservation effect, but the brightness of setting can not meet and the mating of changeableization of surrounding environment brightness completely, and need user's Self-operating, but large multi-user can frequently not change display brightness, practicality is lower, troublesome poeration.
Granted publication number for the CN200941292Y(patent No. be ZL200620123830.4) Chinese patent " the display quality regulating device based on environment induction " in disclosed a kind of display quality regulating device, for the display quality of the ambient brightness based on extraneous and/or air transparency adjusting display system, comprise: environmental assessment module, be connected to parameter computing module, the brightness of device induced environment and/or air transparency are to obtain influence value, and the computing module that then passes a parameter is as basis; Parameter computing module, is connected to parameter execution module, and it carries out computing with adjusted parameter to influence value, then sends parameter execution module to; And parameter execution module, being connected to display system, it utilizes the brightness and/or the gamma coefficient that regulate parameter to regulate display system, to obtain the display quality that is more suitable for human eye.This device also shows the transparency of an air influence factor as consideration, vision-control to display device is more accurate, it is high that but this apparatus structure requires, to the adjustment process computing complexity of display quality, promoted extension is relatively limited, if used in people's articles for daily use electrical equipment, cost is higher.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in structure for above-mentioned prior art, do not need manual control brightness adjusting grade, and brightness degree is not set, can be automatically according to the light adjusting display device for washing machine of external environment brightness adjustment display brightness.
The technical scheme in the invention for solving the above technical problem is: a kind of light adjusting display device for washing machine, comprise master control borad, and the display board being connected with master control borad, described master control borad comprises PWM copped wave adjustment unit; Described display board comprises light luminance detecting unit and display unit, described light luminance detecting unit is connected with the ADC input port of described master control borad, and described display unit is connected in the signal output part of described PWM copped wave adjustment unit by the signal output port of master control borad.
Described light luminance detecting unit is a bleeder circuit, and described bleeder circuit comprises light activated element, and light activated element first end connects power supply; The first resistance, the first end of the first resistance connects the second end of light activated element, the second end ground connection of the first resistance; The second resistance, the first end of the second resistance connects the second end of light activated element, and the second end of the second resistance connects the ADC input port node of described master control borad; Also comprise electric capacity, the first end of electric capacity connects the second end of the second resistance, the second end ground connection of electric capacity.
Selectively, described light activated element is photoresistance or photosensitive detector.
Preferably, the power supply that described light activated element first end connects is 5V voltage.
Preferably, described display unit is the display unit with at least one amplifier.
Described display unit comprises the 3rd resistance, and the first end of described the 3rd resistance connects the signal output port node of described master control borad; Triode, the base stage of triode connects described the 3rd resistance the second end, and the collector of triode connects power supply; LED display, a wiring pin of LED display is connected in the emitter of triode; Also comprise the 4th resistance, the first end of the 4th resistance connects another wiring pin of described LED display, the second end ground connection of the 4th resistance.
Preferably, the power supply that the collector of described triode connects is 12V voltage.
Compared with prior art, the utility model has the advantage of: this light adjusting display device inner structure that is used for washing machine is simple, practical, and cost is low; This light adjusting display device that is used for washing machine does not arrange the display brightness grade of display device,, use simply, and this device can be in real time according to the brightness of external environment adjusting display brightness voluntarily for carrying out brightness degree adjustment operation without people, not only easy to use, and environmental protection and energy saving.
Brief description of the drawings
Fig. 1 is the structural representation for the light adjusting display device of washing machine in the utility model embodiment.
Fig. 2 is the light adjusting display device regulating circuit figure for washing machine in the utility model embodiment.
Fig. 3 is the light adjusting display device display board brightness adjustment waveform schematic diagram for washing machine in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
A kind of light adjusting display device for washing machine as shown in Figures 1 to 3, comprises master control borad 1, the display board 2 being connected with master control borad 1, and described master control borad 1 comprises PWM copped wave adjustment unit 11; Described display board 2 comprises light luminance detecting unit 21 and display unit 22, described light luminance detecting unit 21 is connected with the ADC input port of described master control borad 1, and described display unit 22 is connected in the signal output part of described PWM copped wave adjustment unit 11 by the signal output port of master control borad 1.
Described light luminance detecting unit 21 is a bleeder circuit, and described bleeder circuit comprises light activated element S, and light activated element S first end connects 5V voltage source; The first end of the first resistance R 1, the first resistance R 1 connects the second end of light activated element S, the second end ground connection of the first resistance R 1; The first end of the second resistance R 2, the second resistance R 2 connects the second end of light activated element S, and the second end of the second resistance R 2 connects the ADC input port node of described master control borad 1; Also comprise capacitor C, the first end of capacitor C connects the second end of the second resistance R 2, the second end ground connection of capacitor C.Wherein the resistance of the first resistance R 1 size is for obtaining through many experiments, and the resistance value of the second resistance R 2 can be according to practical experience setting.
Described light activated element S can select photoresistance or photosensitive detector.
Described display unit 22 is for having the display unit 22 of at least one amplifier.
Described display unit 22 comprises the 3rd resistance R 3, and the first end of described the 3rd resistance R 3 connects the signal output port node of described master control borad 1; Triode T, the base stage of triode T connects described the 3rd resistance R 3 second ends, and the collector of triode T connects 12V voltage source; LED display 221, a wiring pin of LED display 221 is connected in the emitter of triode T; Also comprise that the first end of the 4th resistance R 4, the four resistance R 4 connects another wiring pin of described LED display 221, the second end ground connection of the 4th resistance R 4, wherein the resistance value of the 3rd resistance R 3 and the 4th resistance R 4 can be according to practical experience setting.
In use, after washing machine energising, light activated element S in described display board 2 is according to the difference of external environment light, the resistance value of light activated element S changes accordingly, the input voltage difference of the ADC input port node of corresponding described bleeder circuit input master control borad 1D, in master control borad 1 PWM copped wave adjustment unit 11 according to the difference of input master control borad 1 voltage signal, corresponding PWM copped wave adjustment unit 11 sends pwm pulse width signal by the signal output port of master control borad 1, thereby the current signal that the display unit 22 connecting from the signal output port of described master control borad 1 receives changes along with the different of extraneous light, pass through again the amplification of triode T, make LED display 221 send different brightness, when extraneous light is more intense, the brightness meeting of LED display 221 improves accordingly so that user can clearly observe the displaying contents of LED display 221, contrary, when extraneous light is more weak, the brightness meeting of LED display 221 is reduced in accordingly and ensures that user can clearly observe the displaying contents of LED display, realize energy-saving consumption-reducing.
In addition, the light adjusting display device in the present embodiment is not only applicable to washing machine, is suitable for equally the display device of other electrical equipment.
Claims (7)
1. the light adjusting display device for washing machine, comprise master control borad (1), the display board (2) being connected with master control borad (1), is characterized in that: described master control borad (1) comprises PWM copped wave adjustment unit (11); Described display board (2) comprises light luminance detecting unit (21) and display unit (22), described light luminance detecting unit (21) is connected with the ADC input port of described master control borad (1), and described display unit (22) is connected in the signal output part of described PWM copped wave adjustment unit (11) by the signal output port of master control borad (1).
2. the light adjusting display device for washing machine according to claim 1, it is characterized in that: described light luminance detecting unit (21) is a bleeder circuit, described bleeder circuit comprises light activated element (S), and light activated element (S) first end connects power supply; The first resistance (R1), the first end of the first resistance (R1) connects the second end of light activated element (S), the second end ground connection of the first resistance (R1); The second resistance (R2), the first end of the second resistance (R2) connects the second end of light activated element (S), and the second end of the second resistance (R2) connects the ADC input port node of described master control borad (1); Also comprise electric capacity (C), the first end of electric capacity (C) connects the second end of the second resistance (R2), the second end ground connection of electric capacity (C).
3. the light adjusting display device for washing machine according to claim 2, is characterized in that: described light activated element (S) is photoresistance or photosensitive detector.
4. the light adjusting display device for washing machine according to claim 2, is characterized in that: the power supply that described light activated element (S) first end connects is 5V voltage.
5. the light adjusting display device for washing machine according to claim 1, is characterized in that: described display unit (22) is for having the display unit (22) of at least one amplifier.
6. the light adjusting display device for washing machine according to claim 5, it is characterized in that: described display unit (22) comprises the 3rd resistance (R3), and the first end of described the 3rd resistance (R3) connects the signal output port node of described master control borad (1); Triode (T), the base stage of triode (T) connects described the 3rd resistance (R3) the second end, and the collector of triode (T) connects power supply; LED display (221), a wiring pin of LED display (221) is connected in the emitter of triode; Also comprise the 4th resistance (R4), the first end of the 4th resistance (R4) connects another wiring pin of described LED display (221), the second end ground connection of the 4th resistance (R4).
7. the light adjusting display device for washing machine according to claim 6, is characterized in that: the power supply that the collector of described triode (T) connects is 12V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070173.6U CN203787062U (en) | 2014-02-18 | 2014-02-18 | Light adjusting display device used for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070173.6U CN203787062U (en) | 2014-02-18 | 2014-02-18 | Light adjusting display device used for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787062U true CN203787062U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070173.6U Expired - Lifetime CN203787062U (en) | 2014-02-18 | 2014-02-18 | Light adjusting display device used for washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787062U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537258A (en) * | 2018-12-13 | 2019-03-29 | 中科芯集成电路股份有限公司 | Dryer runs display device |
| CN110534055A (en) * | 2019-08-29 | 2019-12-03 | 广东美的制冷设备有限公司 | Display panel of air-conditioner and air conditioner |
| CN111091795A (en) * | 2018-10-23 | 2020-05-01 | 青岛海尔洗衣机有限公司 | Brightness control method and system for display device of washing equipment and washing equipment |
| CN111179878A (en) * | 2018-10-23 | 2020-05-19 | 青岛海尔洗衣机有限公司 | Brightness control method for display device of washing equipment |
| CN112767886A (en) * | 2021-01-18 | 2021-05-07 | 惠科股份有限公司 | Backlight adjusting system, adjusting method thereof and display device |
-
2014
- 2014-02-18 CN CN201420070173.6U patent/CN203787062U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091795A (en) * | 2018-10-23 | 2020-05-01 | 青岛海尔洗衣机有限公司 | Brightness control method and system for display device of washing equipment and washing equipment |
| CN111179878A (en) * | 2018-10-23 | 2020-05-19 | 青岛海尔洗衣机有限公司 | Brightness control method for display device of washing equipment |
| CN109537258A (en) * | 2018-12-13 | 2019-03-29 | 中科芯集成电路股份有限公司 | Dryer runs display device |
| CN109537258B (en) * | 2018-12-13 | 2021-03-02 | 中科芯集成电路有限公司 | Clothes dryer operation display device |
| CN110534055A (en) * | 2019-08-29 | 2019-12-03 | 广东美的制冷设备有限公司 | Display panel of air-conditioner and air conditioner |
| CN110534055B (en) * | 2019-08-29 | 2021-09-14 | 广东美的制冷设备有限公司 | Air conditioner display panel and air conditioner |
| CN112767886A (en) * | 2021-01-18 | 2021-05-07 | 惠科股份有限公司 | Backlight adjusting system, adjusting method thereof and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315613 No. 118, Zhenxing South Road, Xidian, Ninghai County, Zhejiang Province Patentee after: Ningbo Xiaoao home appliance technology Co.,Ltd. Address before: 315613 No. 118, Zhenxing South Road, Xidian, Ninghai County, Zhejiang Province Patentee before: NINGBO JIDE HOUSEHOLD APPLIANCE TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |