CN203011068U - Gradient glow light-emitting diode (LED) lighting system for refrigerator - Google Patents
Gradient glow light-emitting diode (LED) lighting system for refrigerator Download PDFInfo
- Publication number
- CN203011068U CN203011068U CN 201220673067 CN201220673067U CN203011068U CN 203011068 U CN203011068 U CN 203011068U CN 201220673067 CN201220673067 CN 201220673067 CN 201220673067 U CN201220673067 U CN 201220673067U CN 203011068 U CN203011068 U CN 203011068U
- Authority
- CN
- China
- Prior art keywords
- led
- refrigerator
- lamp
- door switch
- led lighting
- 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.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241001085205 Prenanthella exigua Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a gradient glow light-emitting diode (LED) lighting system for a refrigerator. The gradient glow LED lighting system is characterized by comprising an LED lighting lamp group, a door switch and a main circuit board. The LED lighting lamp group is composed of a plurality of LED lamps or an LED face light source, the door switch is arranged between a refrigerator body and a door body, the door switch is turned on when the refrigerator door is opened, the door switch is turned off when the refrigerator door is closed, the main circuit board is respectively and electrically connected with the LED lighting lamp group and the door switch through wires, direct-current voltage changing according to rulers can be output according to change of on-off states of the door switch, and the brightness of the LED lighting lamp group can change from dark to bright or from bright to dark.
Description
Technical field
The utility model relates to a kind of LED lamp illuminating system that is applied in refrigerator.
Background technology
Along with the development of energy-saving and environmental protection technology, the LED illuminating lamp has been widely used in the interior lighting of refrigerator.But its control mode of LED lamp that is applied in prior art in refrigerator is directly open and turn-off, and there is no in this course the variation of light, and the unexpected variation of the light when turning on light and turning off the light brings visual bad sensation to the people.
The utility model content
The utility model is for avoiding the existing weak point of above-mentioned prior art, the illuminator of the gradual change light LED in a kind of refrigerator is provided, make LED illuminating lamp of refrigerator with gradually bright breathing pattern unlatching and shutoff of gradually going out, people's visual sense feeling being improved.
The utility model is that the technical solution problem adopts following technical scheme:
The characteristics of the gradual change light LED illuminator in a kind of refrigerator of the utility model are to comprise:
One LED lighting lamp group is comprised of a plurality of LED lamp bank row, or is the LED area source;
One door switch is arranged between casing and door body, connects when refrigerator doors is opened, and cuts off when refrigerator doors is closed;
One main circuit board, described main circuit board is electrically connected to LED lighting lamp group and door switch respectively by wire, according to the variation output of the on off operating mode of described door switch by the DC voltage of setting rule and changing, the light that makes described LED lighting lamp group by secretly to bright or by bright to secretly gradually changing.
The characteristics of the gradual change light LED illuminator in the utility model refrigerator also are:
Described LED lighting lamp group be on printed substrate by each LED lamp of setting arrangements, and the current-limiting resistance of the setting of connect with described LED lamp; Described LED lamp assembly is arranged in the lamp box of cold compartment of refrigerator inner top.
In described LED lighting lamp group each LED lamp to light and extinguish be Synchronization Control.
In described LED lamp assembly, the brilliance control of each LED is to adopt PWM mode regulation voltage.
The control law of described LED lamp assembly is: when cold sotrage door was opened, the LED lighting brightness step by step was strengthened to 100% from 0% at t1 in second; Keep highlighted state in second at t2, until cold sotrage door is closed, the LED lighting brightness gradually is decremented to 0% from 100% brightness at t3 in second, and illuminating lamp extinguishes.
In described main circuit board, MCU is set, the on off operating mode that gathers door switch with described MCU changes, and activates the driving to the LED illuminating lamp, and produces pwm signal according to the control law of setting; Triode is according to the pwm signal break-make that described MCU sends, make the voltage that is applied on LED by from low to high or rule from high to low change.
Described MCU adopts the S3F9498 chip.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model is a kind of LED illuminating lamp of refrigerator system with effect of breathing, variation according to the on off operating mode of door switch, export control by PWM, make after door switch is switched on or switched off, the LED illuminating lamp by secretly to bright, by bright to secretly gradually changing, produce effect of breathing, the visual impact of the unexpected variation of light to the people when reducing because of the open and close lamp.
2, the utility model also can expanded application fresh light, Logo indicator lamp, display floater functional indicator light etc. in refrigerator system.
Description of drawings
Fig. 1 is the LED lighting lamp circuit of the utility model embodiment, forms lighting lamp group by the bright white optical diode L1～L6 that is cascaded;
Fig. 2 is MCU circuit of the present utility model, cold sotrage door door switch testing circuit;
Fig. 3 is the voltage change rule schematic diagram on a plurality of LED of being applied to of the utility model embodiment.
The specific embodiment
Gradual change light LED illuminator in the present embodiment in refrigerator comprises:
One LED lighting lamp group is comprised of a plurality of LED lamp bank row, or is the LED area source;
One door switch is arranged between casing and door body, connects when refrigerator doors is opened, and cuts off when refrigerator doors is closed;
One main circuit board, main circuit board is electrically connected to LED lighting lamp group and door switch respectively by wire, according to the variation output of the on off operating mode of door switch by the DC voltage of setting rule and changing, the light that makes the LED lighting lamp group by secretly to bright or by bright to secretly gradually changing.
The LED lighting lamp group be on printed substrate by each LED lamp of setting arrangements, and the current-limiting resistance of the setting of connect with the LED lamp; The LED lamp assembly is arranged in the lamp box of cold compartment of refrigerator inner top; In the LED lighting lamp group each LED lamp to light and extinguish be Synchronization Control.
In the present embodiment in the LED lamp assembly brilliance control of each LED be to adopt PWM mode regulation voltage; As shown in Figure 3, the control law that the LED lamp assembly is set is: when cold sotrage door was opened, the LED lighting brightness step by step was strengthened to 100% from 0% at t1 in second; Keep highlighted state in second at t2, until cold sotrage door is closed, the LED lighting brightness gradually is decremented to 0% from 100% brightness at t3 in second, and illuminating lamp extinguishes.
As depicted in figs. 1 and 2, MCU is set in main circuit board, the on off operating mode that gathers door switch with MCU changes, and activates the driving to the LED illuminating lamp, and produces pwm signal according to the control law of setting; Triode is according to the pwm signal break-make that MCU sends, make the voltage that is applied on LED by from low to high or rule from high to low change, MCU adopts the S3F9498 chip.
In the present embodiment, as shown in Figure 1, detect refrigerator doors with door switch and open or close state.Disconnect when refrigerator doors is closed, MCU collects high level (being designated as 1); Connect when refrigerator doors is opened, MCU collects low level (being designated as 0).When the MCU of main circuit board collection door switch signal becomes 0 by 1 (carrying out an opening action), activate the driving to LED, and produce pwm signal according to the rule of setting.Triode Q1 is according to the pwm signal break-make that MCU sends, and the voltage that is applied on LED is changed by rule from low to high, and the brightness of LED illuminating lamp 0% is strengthened to 100% at t1 in second step by step; Keep highlighted state in second at t2; When the MCU of main circuit board collection door switch signal becomes 1 by 0 (carrying out a closing motion), activate the driving to LED, and produce pwm signal according to predetermined rule.Triode Q1 is according to the pwm signal break-make that MCU sends, and the voltage that is applied on LED is changed by rule from high to low, and the brightness of LED illuminating lamp 100% is decremented to 0% at t3 in second step by step, has realized the effect of breathing of LED illuminating lamp.In embodiment of the present utility model, t1=1.5s, t3=1.5s, t2 are the time that refrigerator doors is in open mode.
Claims (7)
1. the gradual change light LED illuminator in a refrigerator is characterized in that comprising:
One LED lighting lamp group is comprised of a plurality of LED lamp bank row, or is the LED area source;
One door switch is arranged between casing and door body, connects when refrigerator doors is opened, and cuts off when refrigerator doors is closed;
One main circuit board, described main circuit board is electrically connected to LED lighting lamp group and door switch respectively by wire, according to the variation output of the on off operating mode of described door switch by the DC voltage of setting rule and changing, the light that makes described LED lighting lamp group by secretly to bright or by bright to secretly gradually changing.
2. the gradual change light LED illuminator in refrigerator according to claim 1 is characterized in that: described LED lighting lamp group be on printed substrate by each LED lamp of setting arrangements, and the current-limiting resistance of the setting of connect with described LED lamp; Described LED lamp assembly is arranged in the lamp box of cold compartment of refrigerator inner top.
3. the gradual change light LED illuminator in refrigerator according to claim 1 is characterized in that: in described LED lighting lamp group each LED lamp to light and extinguish be Synchronization Control.
4. the gradual change light LED illuminator in refrigerator according to claim 1 is characterized in that: in described LED lamp assembly, the brilliance control of each LED is to adopt PWM mode regulation voltage.
5. the gradual change light LED illuminator in refrigerator according to claim 4, it is characterized in that: the control law of described LED lamp assembly is: when cold sotrage door was opened, the LED lighting brightness step by step was strengthened to 100% from 0% at t1 in second; Keep highlighted state in second at t2, until cold sotrage door is closed, the LED lighting brightness gradually is decremented to 0% from 100% brightness at t3 in second, and illuminating lamp extinguishes.
6. the gradual change light LED illuminator in refrigerator according to claim 5, it is characterized in that: in described main circuit board, MCU is set, the on off operating mode that gathers door switch with described MCU changes, and activates the driving to the LED illuminating lamp, and produces pwm signal according to the control law of setting; Triode is according to the pwm signal break-make that described MCU sends, make the voltage that is applied on LED by from low to high or rule from high to low change.
7. the gradual change light LED illuminator in refrigerator according to claim 6, is characterized in that: described MCU employing S3F9498 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673067 CN203011068U (en) | 2012-12-07 | 2012-12-07 | Gradient glow light-emitting diode (LED) lighting system for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673067 CN203011068U (en) | 2012-12-07 | 2012-12-07 | Gradient glow light-emitting diode (LED) lighting system for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011068U true CN203011068U (en) | 2013-06-19 |
Family
ID=48602657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673067 Expired - Fee Related CN203011068U (en) | 2012-12-07 | 2012-12-07 | Gradient glow light-emitting diode (LED) lighting system for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011068U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554935A (en) * | 2015-12-16 | 2016-05-04 | 冯秋林 | Fade-in or fade-out LED lamp programmable controller |
| CN111503986A (en) * | 2020-04-27 | 2020-08-07 | 合肥美菱物联科技有限公司 | Refrigerator illumination control system and control method thereof |
| CN113494810A (en) * | 2020-04-01 | 2021-10-12 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device and illumination control method thereof |
| CN113686087A (en) * | 2021-08-04 | 2021-11-23 | 安徽康佳同创电器有限公司 | Refrigerator sterilization control method and device and refrigerator |
-
2012
- 2012-12-07 CN CN 201220673067 patent/CN203011068U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554935A (en) * | 2015-12-16 | 2016-05-04 | 冯秋林 | Fade-in or fade-out LED lamp programmable controller |
| CN113494810A (en) * | 2020-04-01 | 2021-10-12 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device and illumination control method thereof |
| CN111503986A (en) * | 2020-04-27 | 2020-08-07 | 合肥美菱物联科技有限公司 | Refrigerator illumination control system and control method thereof |
| CN113686087A (en) * | 2021-08-04 | 2021-11-23 | 安徽康佳同创电器有限公司 | Refrigerator sterilization control method and device and refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203011068U (en) | Gradient glow light-emitting diode (LED) lighting system for refrigerator | |
| CN105472851A (en) | Intelligent lighting system and induction device | |
| CN203015209U (en) | Respiration lamp with gradually changed illumination brightness | |
| CN105636311A (en) | Eye-protection control method for LED eye-protection lamp | |
| CN104994670A (en) | LED lamp controller with human body induction and time-delaying functions | |
| CN203011069U (en) | Refrigerator capable of automatically adjusting radiance in the process of opening door | |
| CN204014161U (en) | Sound-controlled bed-side lamp | |
| CN204222779U (en) | A kind of work instruction and the multiplexing switch of back lighting | |
| CN108419327A (en) | The switch power source driving circuit of daytime running lights and steering indicating light | |
| CN105120554A (en) | Intelligent illumination system based on light-operated sensor | |
| CN207860056U (en) | It is capable of the turn signal of sequential illumination | |
| CN203812522U (en) | Automatic sensing LED advertisement lamp box | |
| CN205991467U (en) | A kind of sliding door illuminator | |
| CN201142777Y (en) | Classroom illumination electricity saving controller | |
| CN107135594A (en) | A kind of energy-saving street lamp illuminator | |
| CN204358580U (en) | A kind of photosensitive LED street lamp | |
| CN202629969U (en) | LED lamp control circuit | |
| CN204210372U (en) | A kind of car headlamp intelligence closing appliance | |
| CN203167337U (en) | Circuit capable of using illuminance and time values to control lighting | |
| CN202378778U (en) | Automobile tail light controller | |
| CN205726509U (en) | A kind of intelligent illuminating system based on Internet of Things | |
| CN205754958U (en) | Based on the domestic intelligent illuminator that bluetooth 4.0 is wireless | |
| CN204317987U (en) | Intelligent lighting tool cabinet | |
| CN204425726U (en) | A kind of microwave induced lamp of saves energy | |
| CN204652422U (en) | A kind of router with indicator light switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: CHANGHONG MEILING Co.,Ltd. Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI MEILING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |