CN204880958U - Refrigerator lighting device and refrigerator - Google Patents
Refrigerator lighting device and refrigerator Download PDFInfo
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- CN204880958U CN204880958U CN201520632753.4U CN201520632753U CN204880958U CN 204880958 U CN204880958 U CN 204880958U CN 201520632753 U CN201520632753 U CN 201520632753U CN 204880958 U CN204880958 U CN 204880958U
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- refrigerator
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a refrigerator lighting device and refrigerator, this refrigerator lighting device is including locating refrigerator interior light, gate controlled switch, detection module and the control module who is connected with the gate controlled switch, and control module's an input and detection module are connected, and another input is connected with zero cross detection circuit, and an output passes through silicon controlled rectifier drive circuit and illumination lamp connection, wherein, detection module for detect the inside luminance of refrigerator, and to control module output brightness signal, zero cross detection circuit just detects alternating current power supply's zero crossing for the rectification to to control module output zero cross signal, control module for when receiving detected signal and zero cross signal, produce triggering signal switching on with control silicon controlled rectifier drive circuit. So, can control the luminance of light according to the light intensity of refrigerator inside, and then realize energy -conserving effect to improve light life.
Description
Technical field
The utility model relates to refrigerator field, particularly relates to a kind of lighting device for refrigerator and refrigerator.
Background technology
Existing lighting device for refrigerator is made up of the bulb be arranged in refrigerating chamber or refrigerating chamber and gate controlled switch.When opening refrigerating chamber or refrigerating chamber door body, gate controlled switch closes, and bulb is lighted and thrown light on to refrigerating chamber or refrigerating chamber.But, no matter whether current environment illumination is sufficient, as long as open refrigerating-chamber door body, bulb will be lighted, therefore, by day or evening, ambient light was more sufficient time beat opening door body, do not need bulb high intensity illumination, so just make electric energy waste, and reduce the service life of illuminating lamp.
Utility model content
Main purpose of the present utility model is to provide a kind of lighting device for refrigerator, is intended to realize saving electric energy.
For achieving the above object, the utility model provides a kind of lighting device for refrigerator, comprise the illuminating lamp be located in refrigerator, gate controlled switch, detection module, the control module that is connected with described gate controlled switch, one input of described control module is connected with described detection module, another input is connected with zero cross detection circuit, and an output is connected with described illuminating lamp by controllable silicon drive circuit; Wherein, described detection module, for detecting the brightness of refrigerator inside, and to described control module output brightness signal; Described zero cross detection circuit, in order to detect the zero crossing of AC power, and exports zero cross signal to described control module; Described control module, for when receiving described detection signal and described zero cross signal, produces triggering signal to control the conducting of controllable silicon drive circuit.
Preferably, described lighting device for refrigerator also comprises analog-digital converter, and the input of described analog-digital converter is connected with described detection module, and output is connected with described control module, described analog-digital converter, in order to after described luminance signal is converted to data signal, exports described control module to.
Preferably, described controllable silicon drive circuit comprises the first photoelectrical coupler, and described first photoelectrical coupler has the light activated power thyristor of the first diode and corresponding described first diode setting; The positive pole of described first diode is connected with dc source, and negative pole is connected with an output of described control module, and the two ends of described light activated power thyristor are connected with live wire and zero line respectively, and described illuminating lamp is located between described light activated power thyristor and zero line or live wire; The triggering signal that described control module exports is voltage signal, and the conducting when the voltage of the voltage signal that described control module exports lower than described dc source of described first diode, to excite described light activated power thyristor conducting.
Preferably, described controllable silicon drive circuit comprises the first resistance, the second resistance and the 3rd resistance, one end of described first resistance is connected with the negative pole of described first diode, the other end is connected with an output of described control module, one end of described second resistance is connected with the node between described dc source and the positive pole of described first diode, the other end is connected with the node between described first resistance and described control module, and described first resistance and described second resistance are in order to protect described first diode; Described 3rd resistance is located between described light activated power thyristor and described live wire, in order to protect described light activated power thyristor.
Preferably, described controllable silicon drive circuit is also provided with bidirectional triode thyristor and is located at the 4th resistance between described light activated power thyristor and described illuminating lamp, one terminals of described bidirectional triode thyristor are connected to the node between live wire and described 3rd resistance, another terminals are connected to the node between described 4th resistance and described illuminating lamp, gate pole is connected between described light activated power thyristor and described 3rd resistance, and described bidirectional triode thyristor in order to be communicated with after described two terminals and gate pole on-load voltage.
Preferably, described zero cross detection circuit comprises rectifier, and second photoelectrical coupler, described second photoelectrical coupler comprises the second diode, the light-operated switch that corresponding described second diode is arranged, two inputs of described rectifier are connected with AC power, two outputs of described rectifier are connected with described second diode, in order to provide dc source to described second diode, one end ground connection of described light-operated switch, the other end is connected with dc source, one input of described control module is connected to the node of described light-operated switch and described dc source, described second diode extinguishes when described AC power zero crossing, disconnect to make described light-operated switch, and send zero cross signal to described control module.
Preferably, described zero cross detection circuit also comprises two the 5th resistance, and described two the 5th resistance are located between described rectifier and described two inputs.
Preferably, described control module is PWM controller or single-chip microcomputer.
Preferably, described detection module also comprises light sensor, in order to detect the brightness of refrigerator inside
The utility model also provides a kind of refrigerator, and this refrigerator comprises casing, door body and lighting device for refrigerator as above, and the illuminating lamp of described lighting device for refrigerator and detection module are located in described casing respectively.
The utility model is by arranging brightness detection module, control module and the zero cross detection circuit be connected with control module and controllable silicon drive circuit, and this brightness detection module is for detecting the brightness of refrigerator inside environment, and output brightness signal; The zero cross signal that control module inputs for the luminance signal and described zero cross detection circuit receiving the output of described brightness detection module, and adjust the ON time of described controllable silicon drive circuit according to described luminance signal and described zero cross signal, and then control the brightness of described illuminating lamp; So, when the light that available light or other illuminations provide can illuminate refrigerator inside, control module controls illuminating lamp and weakens luminosity or extinguishing, and then decreases the electricity of illuminating lamp consumption, thus realizes energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the utility model lighting device for refrigerator one embodiment;
Fig. 2 is the oscillogram of power supply, zero cross signal and triggering signal;
Fig. 3 is the functional block diagram of another embodiment of the utility model lighting device for refrigerator;
Fig. 4 is the schematic diagram of controllable silicon drive circuit in the utility model lighting device for refrigerator;
Fig. 5 is the schematic diagram of zero cross detection circuit in the utility model lighting device for refrigerator.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | Illuminating lamp | 200 | Gate controlled switch |
| 300 | Detection module | 400 | Control module |
| 500 | Zero cross detection circuit | 600 | Controllable silicon drive circuit |
| 700 | Analog-digital converter | 601 | First photoelectrical coupler |
| 6011 | First diode | 6012 | Light activated power thyristor |
| 602 | First resistance | 603 | Second resistance |
| 604 | 3rd resistance | 605 | 4th resistance |
| 606 | Bidirectional triode thyristor | 501 | Rectifier |
| 502 | Second photoelectrical coupler | 5021 | Second diode |
| 5022 | Light-operated switch | 503 | 5th resistance |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of lighting device for refrigerator.
See figures.1.and.2, in the utility model one embodiment, this lighting device for refrigerator, comprise the illuminating lamp 100 be located in refrigerator, gate controlled switch 200, detection module 300, the control module 400 that is connected with gate controlled switch 200, one input of control module 400 is connected with detection module 300, another input is connected with zero cross detection circuit 500, and an output is connected with illuminating lamp 100 by controllable silicon drive circuit 600; Wherein, detection module 300, for detecting the brightness of refrigerator inside, and to control module 400 output brightness signal; Zero cross detection circuit 500 in order to detect the zero crossing of AC power, and exports zero cross signal to control module 400; Control module 400, for when receiving detection signal and zero cross signal, produces triggering signal to control the conducting of controllable silicon drive circuit 600.
In the present embodiment, gate controlled switch 200 is connected with a trigger end of control module 400, when the door body of refrigerator is opened, gate controlled switch 200 sends enabling signal to control module 400, duty is entered to make control module 400, brightness detection module 300 in order to detect the brightness of the environment of refrigerator inside, and to control module 400 output brightness signal; Zero cross detection circuit 500 is connected with AC power, in order to detect the zero crossing of AC power, and exports zero cross signal to control module 400; When control module 400 receives luminance signal, compared by the preset value of numerical value corresponding for luminance signal and control module 400, when the numerical value that luminance signal is corresponding is greater than preset value, control module 400 controls controllable silicon drive circuit 600 and disconnects; When the numerical value that luminance signal is corresponding is less than preset value, control module 400 is according to the difference start-up study program of numerical value corresponding to luminance signal and preset value, this delay procedure starts when control module 400 receives zero cross signal, to adjust the time that triggering signal sends, and then control the ON time of controllable silicon drive circuit 600 within each cycle, thus control the brightness of illuminating lamp 100; When the door body of refrigerator is closed, gate controlled switch 200 sends cut-off signal to control module 400, enters resting state to make control module 400.
The utility model by adopting this lighting device for refrigerator, and then effectively can control the brightness of luminescence of the illuminating lamp 100 being located at refrigerator inside, thus effectively can save the electricity that illuminating lamp 100 consumes, and saves electric energy.
Preferably, with reference to Fig. 3, the lighting device of refrigerator also comprises analog-digital converter 700, the input of analog-digital converter 700 is connected with detection module 300, output is connected with control module 400, and analog-digital converter 700, in order to after luminance signal is converted to data signal, exports control module to.After control module 400 obtains data signal, data signal and default value are carried out size compare, whether triggering signal is exported to control control module 400, data signal realizes comparing with default value by the internal comparator (not shown) of control module 400, its objective is and judging that whether refrigerator inside light is sufficient, when the data signal that the luminance signal that detection module 300 detects is corresponding meets or exceeds default value, namely illuminating lamp 100 does not start, so, significantly electric energy can be saved.When the data signal that the luminance signal that detection module 300 detects is corresponding is less than default value, controller exports triggering signal, controlled the brightness of illuminating lamp 100 by the ON time of control controllable silicon drive circuit 600, reach requirement to make the brightness of refrigerator inside.
Preferably, control module 400 can adopt PWM controller or chip microcontroller, and the moment that door body is opened, namely control module 400 receives triggering signal and enter duty.When control module 400 receives the data signal of detection module 300 output, according to data signal determination refrigerator inside light status.So, when refrigerator inside ambient light is more weak, control module 400 is after receiving zero cross signal, by shortening the time that delay procedure postpones, and then extend the ON time within each cycle of controllable silicon drive circuit 600, and then enhance the brightness of illuminating lamp 100, meet lighting demand; When refrigerator inside ambient light is stronger, control module 400, after receiving zero cross signal, by extending the time that delay procedure postpones, and then shortens the ON time of controllable silicon drive circuit 600 within each cycle, and then reduce the luminescence of illuminating lamp 100, to save electric energy.In addition, when the light that available light or other illuminations provide can illuminate refrigerator inside, just carrying out supplementary light without the need to opening illuminating lamp 100, thus, realizing energy-conservation effect.
Preferably, with reference to Fig. 4, controllable silicon drive circuit 600 comprises the light activated power thyristor 6012 that the first photoelectrical coupler 601, first photoelectrical coupler 601 has the first diode 6011 and corresponding first diode 6011 setting; The positive pole of the first diode 6011 is connected with dc source, and negative pole is connected with an output of control module 400, and the two ends of light activated power thyristor 6012 are connected with live wire and zero line respectively, and illuminating lamp 100 is located between light activated power thyristor 6012 and zero line or live wire; The triggering signal that control module 400 exports is voltage signal, and the conducting when the voltage of the voltage signal that control module 400 exports lower than dc source of the first diode 6011, to excite light activated power thyristor 6012 conducting.After control module 400 receives the zero cross signal of zero passage detection 500 circuit, to the first diode 6011 output low level, loop is formed to make dc source, the first diode 6011 and control module 400, and make diode luminescence, light activated power thyristor 6012 is communicated with under the irradiation of the first diode 6011, and then make the illuminating lamp 100 of connecting with light activated power thyristor 6012 luminous, so, control module 400 is by the fluorescent lifetime of control first diode 6011, and control the ON time of light activated power thyristor 6012, and then control the brightness of illuminating lamp 100.
Further, controllable silicon drive circuit 600 comprises the first resistance 602, second resistance 603 and the 3rd resistance 604, one end of first resistance 602 is connected with the negative pole of the first diode 6011, the other end is connected with an output of control module 400, in order to dividing potential drop to protect the first diode 6011; One end of second resistance 603 is connected with the node between dc source and the positive pole of the first diode 6011, and the other end is connected with the node between the first resistance 602 and control module 400, in order to current limliting to protect the first diode 6011; 3rd resistance 604 is located between light activated power thyristor 6012 and live wire, in order to protect light activated power thyristor 6012.
Further, controllable silicon drive circuit 600 is also provided with bidirectional triode thyristor 606 and is located at the 4th resistance 605 between light activated power thyristor 6012 and illuminating lamp 100, one terminals of bidirectional triode thyristor 606 are connected to the node between live wire and the 3rd resistance 604, another terminals are connected to the node between the 4th resistance 605 and illuminating lamp 100, gate pole is connected between light activated power thyristor 6012 and the 3rd resistance 604, and bidirectional triode thyristor 606 in order to be communicated with after two terminals and gate pole on-load voltage.Setting like this, makes illuminating lamp 100 directly be communicated with zero line with live wire, and then effectively protects light activated power thyristor 6012, also save the consumption of electric energy simultaneously.
Preferably, with reference to Fig. 5, zero cross detection circuit 500 comprises rectifier 501, and second photoelectrical coupler 502, second photoelectrical coupler comprises the second diode 5021, the light-operated switch 5022 that corresponding second diode is arranged, two inputs of rectifier 501 are connected with AC power, two outputs of rectifier 500 are connected with the second diode 5021, in order to provide dc source to the second diode 5021, one end ground connection of photosensitive switch 5022, the other end is connected with dc source, one input of control module 400 is connected to the node of light-operated switch 5022 and dc source, second diode 5021 extinguishes when AC power zero crossing, disconnect to make light-operated switch 5022, and send zero cross signal to control module.Rectifier 501 is in order to be converted to dc source by AC power, and to make the second photoelectrical coupler 502 work, and when each zero crossing, the second diode 5021 all extinguishes, and light-operated switch 5022 is disconnected, and then sends zero cross signal to control module 400.
Further, zero cross detection circuit 500 also comprises two the 5th resistance, 503, two the 5th resistance 503 and is located between rectifier 501 and two inputs, and in order to dividing potential drop protection rectifier 501, and then it is impaired because of the overtension loaded to avoid rectifier 501.
The utility model also proposes a kind of refrigerator (not shown), this refrigerator comprises casing (not shown), door body (not shown) and above-mentioned lighting device for refrigerator, the concrete structure of this lighting device for refrigerator is with reference to above-described embodiment, due to whole technical schemes that this refrigerator adopts, therefore the above-mentioned all embodiments of all beneficial effects that the technical scheme having above-described embodiment is equally brought, this is no longer going to repeat them.Wherein, described door body is arranged on described casing; The illuminating lamp of described lighting device for refrigerator and detection module are located in described casing respectively.
Should be noted that; the technical scheme of each embodiment of the present utility model can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a lighting device for refrigerator, comprise and be located at illuminating lamp in refrigerator and gate controlled switch, it is characterized in that, the control module also comprise detection module, being connected with described gate controlled switch, one input of described control module is connected with described detection module, another input is connected with zero cross detection circuit, and an output is connected with described illuminating lamp by controllable silicon drive circuit; Wherein,
Described detection module, for detecting the brightness of refrigerator inside, and to described control module output brightness signal;
Described zero cross detection circuit, in order to detect the zero crossing of AC power, and exports zero cross signal to described control module;
Described control module, for when receiving described detection signal and described zero cross signal, produces triggering signal to control the conducting of controllable silicon drive circuit.
2. as right will remove the lighting device for refrigerator as described in 1, it is characterized in that, also comprise analog-digital converter, the input of described analog-digital converter is connected with described detection module, output is connected with described control module, described analog-digital converter, in order to after described luminance signal is converted to data signal, exports described control module to.
3. lighting device for refrigerator as claimed in claim 1, it is characterized in that, described controllable silicon drive circuit comprises the first photoelectrical coupler, and described first photoelectrical coupler has the light activated power thyristor of the first diode and corresponding described first diode setting; The positive pole of described first diode is connected with dc source, and negative pole is connected with an output of described control module, and the two ends of described light activated power thyristor are connected with live wire and zero line respectively, and described illuminating lamp is located between described light activated power thyristor and zero line or live wire; The triggering signal that described control module exports is voltage signal, and the conducting when the voltage of the voltage signal that described control module exports lower than described dc source of described first diode, to excite described light activated power thyristor conducting.
4. lighting device for refrigerator as claimed in claim 3, it is characterized in that, described controllable silicon drive circuit comprises the first resistance, second resistance, and the 3rd resistance, one end of described first resistance is connected with the negative pole of described first diode, the other end is connected with an output of described control module, one end of described second resistance is connected with the node between described dc source and the positive pole of described first diode, the other end is connected with the node between described first resistance and described control module, described first resistance and described second resistance are in order to protect described first diode, described 3rd resistance is located between described light activated power thyristor and described live wire, in order to protect described light activated power thyristor.
5. lighting device for refrigerator as claimed in claim 3, it is characterized in that, described controllable silicon drive circuit is also provided with bidirectional triode thyristor and is located at the 4th resistance between described light activated power thyristor and described illuminating lamp, one terminals of described bidirectional triode thyristor are connected to the node between live wire and described 3rd resistance, another terminals are connected to the node between described 4th resistance and described illuminating lamp, gate pole is connected between described light activated power thyristor and described 3rd resistance, and described bidirectional triode thyristor in order to be communicated with after described two terminals and gate pole on-load voltage.
6. lighting device for refrigerator as claimed in claim 1, it is characterized in that, described zero cross detection circuit comprises rectifier, and second photoelectrical coupler, described second photoelectrical coupler comprises the second diode, the light-operated switch that corresponding described second diode is arranged, two inputs of described rectifier are connected with AC power, two outputs of described rectifier are connected with described second diode, in order to provide dc source to described second diode, one end ground connection of described light-operated switch, the other end is connected with dc source, one input of described control module is connected to the node of described light-operated switch and described dc source, described second diode extinguishes when described AC power zero crossing, disconnect to make described light-operated switch, and send zero cross signal to described control module.
7. lighting device for refrigerator as claimed in claim 6, it is characterized in that, described zero cross detection circuit also comprises two the 5th resistance, and described two the 5th resistance are located between described rectifier and described two inputs.
8. lighting device for refrigerator as claimed in claim 1, it is characterized in that, described control module is PWM controller or single-chip microcomputer.
9. lighting device for refrigerator as claimed in claim 1, it is characterized in that, described detection module is light sensor, in order to detect the brightness of refrigerator inside.
10. a refrigerator, is characterized in that, comprises casing, door body and the lighting device for refrigerator as described in any one of claim 1 to 9, and described door body is arranged on described casing, and the illuminating lamp of described lighting device for refrigerator and detection module are located in described casing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632753.4U CN204880958U (en) | 2015-08-19 | 2015-08-19 | Refrigerator lighting device and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632753.4U CN204880958U (en) | 2015-08-19 | 2015-08-19 | Refrigerator lighting device and refrigerator |
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| CN204880958U true CN204880958U (en) | 2015-12-16 |
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| CN201520632753.4U Active CN204880958U (en) | 2015-08-19 | 2015-08-19 | Refrigerator lighting device and refrigerator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642981A (en) * | 2017-01-25 | 2017-05-10 | 北京通远科技有限公司 | Refrigerator stored article management system based on image recognition |
| CN109782889A (en) * | 2019-01-30 | 2019-05-21 | 廖金群 | Pull out processing method, device, electronic equipment and the storage medium that screen is quickly put out after electricity |
| CN111536752A (en) * | 2020-05-08 | 2020-08-14 | 珠海格力电器股份有限公司 | Control device of indicator light, electrical equipment and control method of indicator light |
| CN113340046A (en) * | 2021-05-14 | 2021-09-03 | 澳柯玛股份有限公司 | Automatic brightness adjusting system and method for refrigerator illuminating lamp |
-
2015
- 2015-08-19 CN CN201520632753.4U patent/CN204880958U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642981A (en) * | 2017-01-25 | 2017-05-10 | 北京通远科技有限公司 | Refrigerator stored article management system based on image recognition |
| CN109782889A (en) * | 2019-01-30 | 2019-05-21 | 廖金群 | Pull out processing method, device, electronic equipment and the storage medium that screen is quickly put out after electricity |
| CN111536752A (en) * | 2020-05-08 | 2020-08-14 | 珠海格力电器股份有限公司 | Control device of indicator light, electrical equipment and control method of indicator light |
| CN113340046A (en) * | 2021-05-14 | 2021-09-03 | 澳柯玛股份有限公司 | Automatic brightness adjusting system and method for refrigerator illuminating lamp |
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