CN203721169U - Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance - Google Patents
Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance Download PDFInfo
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- CN203721169U CN203721169U CN201320745988.5U CN201320745988U CN203721169U CN 203721169 U CN203721169 U CN 203721169U CN 201320745988 U CN201320745988 U CN 201320745988U CN 203721169 U CN203721169 U CN 203721169U
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Abstract
The utility model provides a brightness-adjusting device for the display screen of a household electrical appliance, and the device comprises: a light induction module which comprises at least one light induction element; a parameter sampling module which is connected to the light induction element and used for sampling characteristic parameters of circuits of the light induction elements; and a voltage adjusting module which is connected to the parameter sampling module and a display circuit used for the display screen of the household electrical appliance, and is used for adjusting the supply voltage of the display circuit according to the values of the characteristic parameters of the circuits of the light induction elements. The utility model also provides the household electrical appliance. Through the technical scheme of the utility model, the device can adjust the display brightness of the display screen of the household electrical appliance according to the brightness of ambient light, thereby bringing the most comfortable visual effect to a user.
Description
Technical field
The utility model relates to display control technology field, in particular to a kind of brightness regulating apparatus and a kind of household electrical appliance of household electrical appliances display screen.
Background technology
At present, on a lot of household electrical appliance, be all provided with display screen, such as micro-wave oven, refrigerator, air conditioner etc., but display mode and the display brightness of its display screen are fixed, after showing or show a period of time with same brightness, automatically stop showing always, user is seemed to unfriendly, and use the brightness of same intensity always, may cause the visual sense of discomfort of user.
Utility model content
The utility model is intended at least solve one of technical matters existing in prior art or correlation technique.
For this reason, an object of the present utility model has been to propose a kind of brightness regulating apparatus of household electrical appliances display screen.
Another object of the present utility model is to have proposed a kind of household electrical appliance.
For achieving the above object, according to the embodiment of first aspect of the present utility model, propose a kind of brightness regulating apparatus of household electrical appliances display screen, having comprised: light sensing module, has comprised at least one light sensing element in described light sensing module; Parameter sampling module, is connected to described light sensing module, samples for the circuit characteristic parameter to described at least one light sensing element; Voltage Regulator Module, is connected to described parameter sampling module and the display circuit corresponding to household electrical appliances display screen, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, regulates the supply voltage of the described display circuit of input.
In this technical scheme, by the sampling to ambient light intensity, and adjust accordingly the supply voltage of display circuit,, in the time that ambient light intensity is stronger, can reduce supply voltage, make the brightness deterioration of display screen, avoid stimulating user's eyes; In the time that ambient light intensity is weak, can improve supply voltage, the brightness of display screen is strengthened, improve the identification degree of displaying contents.
Wherein, because light sensing element is under different ambient light intensity, can present different circuit characteristics, as resistance increases or reduces, thereby the circuit characteristic parameter in related circuit be changed.Particularly, this circuit characteristic parameter can be current value, magnitude of voltage etc.
In addition, according to the brightness regulating apparatus of the household electrical appliances display screen of the utility model above-described embodiment, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, preferably, described Voltage Regulator Module comprises: controller, is connected to described parameter sampling circuit, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, generate corresponding Control of Voltage instruction; Voltage control circuit, is connected to described controller, for according to described Control of Voltage instruction, regulates the supply voltage of the described display circuit of input.
In this technical scheme, specifically by controller, the numerical values recited of circuit characteristic parameter is judged, and control accordingly the supply voltage size of display circuit, contribute to realize control procedure more accurately.
Preferably, described controller is also connected to described display circuit, for sending content idsplay order to described display circuit.
In this technical scheme, can directly use in household electrical appliances originally the controller of the displaying contents for controlling display circuit, realize the control to supply voltage, thereby contribute to make full use of existing parts, reduce the change to available circuit.
Certainly, those skilled in the art should understand that: in order to improve reliability, reduce the computing pressure of single controller, obviously also can use independently controller, to control supply voltage.
Preferably, above-mentioned controller can be single-chip microcomputer.
Preferably, described parameter sampling module comprises: sample circuit, is connected to described light sensing module, for the described circuit characteristic parameter of sampling; Analog to digital conversion circuit, is connected to described sample circuit and described Voltage Regulator Module, for by described circuit characteristic parameter from analog quantity is converted to digital quantity, transfer to described Voltage Regulator Module.
In this technical scheme, by analog to digital conversion, be convenient to the control operation after carrying out.
Preferably, described light sensing element comprises: photoresistance, photodiode and/or phototriode.Certainly, those skilled in the art should understand that: other NM photosensitive devices, obviously also can both be applied to the technical solution of the utility model.
Preferably, also comprise: parameter calculating module, be connected to described parameter sampling module and described Voltage Regulator Module, for in the situation that described light sensing module comprises multiple light sensing element, calculate the mean value of corresponding multiple circuit characteristic parameters, and transfer to described Voltage Regulator Module as the numerical value of the circuit characteristic parameter of described at least one light sensing element.
In this technical scheme, for fear of the damage of single light sensing element or malfunctioning or because user has caused unintentionally light sensing element blocked to reasons such as (placing rag etc. on household electrical appliances), and cause the circuit characteristic parameter that samples inaccurate, can be by multiple light sensing elements are set, thus guarantee to realize the accurate control to brightness of display screen.
According to the embodiment of the utility model second aspect, a kind of household electrical appliance have been proposed, comprise the brightness regulating apparatus of the household electrical appliances display screen described in any one in technique scheme.
Preferably, described household electrical appliance are micro-wave oven.
Preferably, described at least one light sensing element is arranged on the diverse location on described household electrical appliance, thereby avoids user unintentionally to the blocking of certain light sensing element, and causes the inaccurate problem of the control of screen intensity.
By above technical scheme, can, according to ambient light intensity, regulate the display brightness of household electrical appliances display screen, thereby provide the most comfortable visual effect to user.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows according to the structural representation of the brightness regulating apparatus of an embodiment of the present utility model;
Fig. 2 is the structural representation of Voltage Regulator Module embodiment illustrated in fig. 1;
Fig. 3 is the structural representation of parameter sampling module embodiment illustrated in fig. 1;
Fig. 4 is the electrical block diagram of brightness regulating apparatus embodiment illustrated in fig. 1;
Fig. 5 shows according to the structural representation of the brightness regulating apparatus of another embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not limited to the restriction of following public specific embodiment.
Fig. 1 shows according to the structural representation of the brightness regulating apparatus of an embodiment of the present utility model.
As shown in Figure 1, according to the brightness regulating apparatus 100 of an embodiment of the present utility model, comprising: light sensing module 102, comprises at least one light sensing element in described light sensing module 102; Parameter sampling module 104, is connected to described light sensing module 102, samples for the circuit characteristic parameter to described at least one light sensing element; Voltage Regulator Module 106, be connected to described parameter sampling module 104 and the display circuit 200 corresponding to household electrical appliances display screen, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, regulate the supply voltage of the described display circuit 200 of input.
In this technical scheme, by the sampling to ambient light intensity, and adjust accordingly the supply voltage of display circuit 200,, in the time that ambient light intensity is stronger, can reduce supply voltage, make the brightness deterioration of display screen, avoid stimulating user's eyes; In the time that ambient light intensity is weak, can improve supply voltage, the brightness of display screen is strengthened, improve the identification degree of displaying contents.
Wherein, because light sensing element is under different ambient light intensity, can present different circuit characteristics, as resistance increases or reduces, thereby the circuit characteristic parameter in related circuit be changed.Particularly, this circuit characteristic parameter can be current value, magnitude of voltage etc.
Preferably, described light sensing element comprises: photoresistance, photodiode and/or phototriode.Certainly, those skilled in the art should understand that: other NM photosensitive devices, obviously also can both be applied to the technical solution of the utility model.
1, Voltage Regulator Module
Fig. 2 is the structural representation of Voltage Regulator Module embodiment illustrated in fig. 1.
As shown in Figure 2, as one comparatively preferred embodiment, Voltage Regulator Module 106 can comprise: controller 1062, be connected to described parameter sampling circuit 104, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, generate corresponding Control of Voltage instruction; Voltage control circuit 1064, is connected to described controller 1062, for according to described Control of Voltage instruction, regulates the supply voltage of the described display circuit 200 of input.
In this technical scheme, specifically by controller 1062, the numerical values recited of circuit characteristic parameter is judged, and control accordingly the supply voltage size of display circuit 200, contribute to realize control procedure more accurately.
Particularly, such as this controller 1062 can be single-chip microcomputer.
And based on controller 1062 annexation with other functional modules or circuit, in a kind of situation, controller 1062 can be separately for Voltage Regulator Module 106, thereby contributes to improve reliability, reduces the computing pressure of single controller.
And in another kind of situation, also can directly use in household electrical appliances originally the controller of the displaying contents for controlling display circuit 200, be that controller 1062 is also connected to described display circuit 200, for sending content idsplay order to described display circuit 200, thereby contribute to make full use of existing parts, reduce the change to available circuit.
2, parameter sampling module
Fig. 3 is the structural representation of parameter sampling module embodiment illustrated in fig. 1.
As shown in Figure 3, as one comparatively preferred embodiment, parameter sampling module 104 comprises: sample circuit 1042, is connected to described light sensing module 102, for the described circuit characteristic parameter of sampling; Analog to digital conversion circuit 1044, is connected to described sample circuit 1042 and described Voltage Regulator Module 106, for by described circuit characteristic parameter from analog quantity is converted to digital quantity, transfer to described Voltage Regulator Module 106.
In this technical scheme, by analog to digital conversion, be convenient to the control operation after carrying out.
3, circuit structure
Fig. 4 is the electrical block diagram of brightness regulating apparatus embodiment illustrated in fig. 1.
As shown in Figure 4, resistance R 1 and photoresistance R2 are connected in series.Wherein, the light that photoresistance R2 experiences external environment changes, and its resistance value size is changed, thereby further by controller MCU(Micro Control Unit, micro-control unit) this change in voltage of sampling, by this change in voltage, as the foundation of supply voltage of adjusting display circuit.
Fig. 5 shows according to the structural representation of the brightness regulating apparatus of another embodiment of the present utility model.
As shown in Figure 5, according to the brightness regulating apparatus 100 ' of another embodiment of the present utility model, comprise brightness regulating apparatus 100 as shown in Figure 1, and parameter calculating module 108, be connected to described parameter sampling module 104 and described Voltage Regulator Module 106, for in the situation that described light sensing module 102 comprises multiple light sensing element, calculate the mean value of corresponding multiple circuit characteristic parameters, and transfer to described Voltage Regulator Module 106 as the numerical value of the circuit characteristic parameter of described at least one light sensing element.
In this technical scheme, for fear of the damage of single light sensing element or malfunctioning or because user has caused unintentionally light sensing element blocked to reasons such as (placing rag etc. on household electrical appliances), and cause the circuit characteristic parameter that samples inaccurate, can be by multiple light sensing elements are set, thus guarantee to realize the accurate control to brightness of display screen.
In addition, the utility model has also proposed a kind of household electrical appliance, comprises brightness regulating apparatus 100 or the brightness regulating apparatus 100 ' of any one household electrical appliances display screen described in Fig. 1 to Fig. 5.
Preferably, described household electrical appliance are micro-wave oven.
Preferably, described at least one light sensing element is arranged on the diverse location on described household electrical appliance, thereby avoids user unintentionally to the blocking of certain light sensing element, and causes the inaccurate problem of the control of screen intensity.
More than be described with reference to the accompanying drawings the technical solution of the utility model, the utility model proposes a kind of brightness regulating apparatus and a kind of household electrical appliance of household electrical appliances display screen, can be according to ambient light intensity, regulate the display brightness of household electrical appliances display screen, thereby provide the most comfortable visual effect to user.
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 of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a brightness regulating apparatus for household electrical appliances display screen, is characterized in that, comprising:
Light sensing module, comprises at least one light sensing element in described light sensing module;
Parameter sampling module, is connected to described light sensing module, samples for the circuit characteristic parameter to described at least one light sensing element;
Voltage Regulator Module, is connected to described parameter sampling module and the display circuit corresponding to household electrical appliances display screen, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, regulates the supply voltage of the described display circuit of input.
2. brightness regulating apparatus according to claim 1, is characterized in that, described Voltage Regulator Module comprises:
Controller, is connected to described parameter sampling circuit, for according to the numerical values recited of the circuit characteristic parameter of described at least one light sensing element, generates corresponding Control of Voltage instruction;
Voltage control circuit, is connected to described controller, for according to described Control of Voltage instruction, regulates the supply voltage of the described display circuit of input.
3. brightness regulating apparatus according to claim 2, is characterized in that, described controller is also connected to described display circuit, for sending content idsplay order to described display circuit.
4. brightness regulating apparatus according to claim 2, is characterized in that, described controller comprises: single-chip microcomputer.
5. brightness regulating apparatus according to claim 1, is characterized in that, described parameter sampling module comprises:
Sample circuit, is connected to described light sensing module, for the described circuit characteristic parameter of sampling;
Analog to digital conversion circuit, is connected to described sample circuit and described Voltage Regulator Module, for by described circuit characteristic parameter from analog quantity is converted to digital quantity, transfer to described Voltage Regulator Module.
6. brightness regulating apparatus according to claim 1, is characterized in that, described light sensing element comprises: photoresistance, photodiode and/or phototriode.
7. household electrical appliance, is characterized in that, comprise the brightness regulating apparatus of the household electrical appliances display screen as described in any one in claim 1 to 7.
8. household electrical appliance according to claim 7, is characterized in that, described household electrical appliance are micro-wave oven.
9. according to the household electrical appliance described in claim 7 or 8, it is characterized in that, described at least one light sensing element is arranged on the diverse location on described household electrical appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745988.5U CN203721169U (en) | 2013-11-22 | 2013-11-22 | Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745988.5U CN203721169U (en) | 2013-11-22 | 2013-11-22 | Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance |
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| CN203721169U true CN203721169U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320745988.5U Expired - Fee Related CN203721169U (en) | 2013-11-22 | 2013-11-22 | Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance |
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| CN (1) | CN203721169U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104812129A (en) * | 2015-03-26 | 2015-07-29 | 广东美的厨房电器制造有限公司 | Control system and method for household electrical appliance |
| CN106356037A (en) * | 2016-09-30 | 2017-01-25 | 广东美的制冷设备有限公司 | Control method, control device, display device and air detection device |
| CN106710500A (en) * | 2015-11-17 | 2017-05-24 | 佛山市顺德区美的电热电器制造有限公司 | Display control device and display control method for household appliances, and household appliance |
| CN107514680A (en) * | 2017-07-26 | 2017-12-26 | 青岛海尔空调器有限总公司 | Air conditioner room unit |
| CN110060623A (en) * | 2019-04-30 | 2019-07-26 | 嘉兴钛众电子科技有限公司 | A kind of adjusting method of screen intensity |
| CN110782832A (en) * | 2019-11-14 | 2020-02-11 | 珠海格力电器股份有限公司 | Brightness adjusting device and method for display |
| CN111445869A (en) * | 2020-04-30 | 2020-07-24 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
-
2013
- 2013-11-22 CN CN201320745988.5U patent/CN203721169U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104812129A (en) * | 2015-03-26 | 2015-07-29 | 广东美的厨房电器制造有限公司 | Control system and method for household electrical appliance |
| CN106710500A (en) * | 2015-11-17 | 2017-05-24 | 佛山市顺德区美的电热电器制造有限公司 | Display control device and display control method for household appliances, and household appliance |
| CN106356037A (en) * | 2016-09-30 | 2017-01-25 | 广东美的制冷设备有限公司 | Control method, control device, display device and air detection device |
| CN107514680A (en) * | 2017-07-26 | 2017-12-26 | 青岛海尔空调器有限总公司 | Air conditioner room unit |
| CN110060623A (en) * | 2019-04-30 | 2019-07-26 | 嘉兴钛众电子科技有限公司 | A kind of adjusting method of screen intensity |
| CN110782832A (en) * | 2019-11-14 | 2020-02-11 | 珠海格力电器股份有限公司 | Brightness adjusting device and method for display |
| CN111445869A (en) * | 2020-04-30 | 2020-07-24 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
| CN111445869B (en) * | 2020-04-30 | 2022-04-15 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |