CN203036999U - Selfrectification LED lamp lighting module group for refrigerator - Google Patents
Selfrectification LED lamp lighting module group for refrigerator Download PDFInfo
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- CN203036999U CN203036999U CN 201220672248 CN201220672248U CN203036999U CN 203036999 U CN203036999 U CN 203036999U CN 201220672248 CN201220672248 CN 201220672248 CN 201220672248 U CN201220672248 U CN 201220672248U CN 203036999 U CN203036999 U CN 203036999U
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- 229910000570 Cupronickel Inorganic materials 0.000 claims abstract description 7
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims description 24
- 239000003990 capacitor Substances 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a selfrectification LED lamp lighting module group for a refrigerator. The selfrectification LED lamp lighting module group is characterized by including a driving power supply circuit and a plurality of LED light emitting diodes. The driving power supply circuit employs a capacitance-resistance voltage reducing type power supply, the power supply input end of the driving power supply circuit is configured to be a commercial power 220V alternating voltage, the output end is configured to be a direct voltage for supplying power to an LED light emitting diode, the selfrectification LED lamp lighting module group adopts an E14 copper-nickel lamp holder in a threaded structure, the bayonet of the lamp holder is sleeved on a common lamp socket, and the capacitance-resistance voltage reducing type power supply includes an LED lamp protective circuit, a capacitance-resistance voltage reducing type circuit, a bridge type rectification circuit, a voltage stabilizing circuit, and a filter circuit. The lighting module group provided is concise in line, small in size, is capable of replacing a common bulb, and is convenient in operation.
Description
Technical field
The utility model relates to refrigerator LED lighting engineering, particularly a kind of self-rectifying LED lamp illumination module.
Background technology
At present, the illuminating lamp of domestic machine control refrigerator adopts incandescent lamp mostly, though incandescent lamp directly connects civil power, need not the transformation rectification, and its power consumption height is unfavorable for the energy-conservation of refrigerator; And its life-span is low, the light dark, illumination unevenness, makes cold compartment of refrigerator well not thrown light on.The LED lamp because light efficiency height, low in energy consumption, life-span be long etc. advantage use more and more widely, adopting the LED illumination in the refrigerator industry has been development trend.Because what the LED lamp adopted is that low-voltage direct drives, and often needs variable-voltage power supply as its driving power, therefore causes complex circuit, cost height.And the illumination of the LED in the refrigerator does not have versatility, can't replace with common bulb, and difficulty is installed, in case cause the LED lamp to damage, then can't change.
The utility model content
The utility model is intended to overcome the defective that the described LED lamp of background technology lighting engineering can't be replaced common bulb, and a kind of refrigerator self-rectifying LED lamp illumination module of replaceable common bulb is provided.
The utility model adopts following technical scheme for the technical solution problem:
A kind of refrigerator of the utility model with the characteristics of self-rectifying LED lamp illumination module is:
Formed by driving power circuit and many LED light emitting diodes; Described driving power circuit adopts resistance-capacitance depressurization formula power supply, and the power input of described driving power circuit is civil power 220V alternating voltage, and output is the DC voltage for described LED light emitting diode power supply; Described self-rectifying LED lamp illumination module adopts the E14 copper nickel lamp holder of helicitic texture, the setting that is nested of the bayonet socket of described lamp holder and common lamp socket; Described resistance-capacitance depressurization formula power supply comprises LED lamp holding circuit, resistance-capacitance depressurization circuit, bridge rectifier, mu balanced circuit and filter circuit.
The utility model refrigerator also is with the characteristics of self-rectifying LED lamp illumination module:
In described resistance-capacitance depressurization formula power supply:
The LED lamp holding circuit that is arranged on civil power 220V ac voltage input is in parallel with piezo-resistance 7D471 after connecting with current-limiting resistance R1 with thermistor PTC;
Described resistance-capacitance depressurization circuit is to be connected in parallel by capacitor C 1 and resistance R 2; Its front end connects LED lamp holding circuit;
Described bridge rectifier adopts full-wave rectification bridge MB6S, and described resistance-capacitance depressurization circuit is arranged between described LED lamp holding circuit and the bridge rectifier;
Described mu balanced circuit is formed for voltage-stabiliser tube D5, and the positive pole of described voltage-stabiliser tube D5 connects the negative pole of full-wave rectification bridge MB6S;
Described filter circuit is polar capacitor C2, and the positive pole of described polar capacitor C2 is connected with the positive pole of full-wave rectification bridge MB6S, and polar capacitor C2 and voltage-stabiliser tube D5 are connected in parallel in the rear end of bridge rectifier.
Connect current-limiting resistance R3 in described resistance-capacitance depressurization formula power supply between filter circuit and the mu balanced circuit, the positive pole of described current-limiting resistance R3 connects the negative pole of polar capacitor C2.
Described many LED light emitting diodes series connection is connected the two ends of polar capacitor C2.
The number of described many LED light emitting diodes is four, five, six or a plurality of, and described LED light emitting diode is white, red, blue or green.
The lumen value of described self-rectifying LED lamp illumination module is not less than 40lm.
Described E14 copper nickel lamp holder metal material is H62.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model fusion driving power and LED lamp are in one, and holder structure is general helicitic texture, and its bayonet socket and common lamp socket consistent size need not independent variable-voltage power supply, can directly replace common bulb, and volume is little, easy and simple to handle, cost is low.Employing LED light effect is high, low in energy consumption, the life-span is long, is particularly suited for the refrigerator intraoral illumination.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.
The specific embodiment
Referring to Fig. 1, refrigerator being set to self-rectifying LED lamp illumination module in the present embodiment:
Formed by driving power circuit and many LED light emitting diodes; Driving power circuit adopts resistance-capacitance depressurization formula power supply, and the power input of driving power circuit is civil power 220V alternating voltage, and output is the DC voltage for the power supply of LED light emitting diode; Self-rectifying LED lamp illumination module adopts the E14 copper nickel lamp holder of helicitic texture, the setting that is nested of the bayonet socket of lamp holder and common lamp socket; Resistance-capacitance depressurization formula power supply comprises LED lamp holding circuit, resistance-capacitance depressurization circuit, bridge rectifier, mu balanced circuit and filter circuit.
In concrete the enforcement, as shown in Figure 1, in resistance-capacitance depressurization formula power supply:
The LED lamp holding circuit that is arranged on civil power 220V ac voltage input is in parallel with piezo-resistance 7D471 after connecting with current-limiting resistance R1 with thermistor PTC; The PTC thermistor can be in temperature anomaly, for example in the refrigerator during breaking out of fire resistance increase, make that the electric current of entire circuit is very little, be equivalent to open circuit, thereby protection LED lamp; Current-limiting resistance R1 realizes the current limliting of entire circuit, is unlikely to electric current and burns out the LED lamp too greatly; Piezo-resistance 7D471 can be at voltage jump, effectively mutation current is released protection LED lamp when thunder and lightning, big consumer startup etc. for example take place.
The resistance-capacitance depressurization circuit is to be connected in parallel by capacitor C 1 and resistance R 2; Its front end connects LED lamp holding circuit; Utilize capacitor C 1 under certain AC signal frequency, to produce capacitive reactance and limit maximum operating currenbt, play the effect of restriction electric current and dynamic assignment capacitor and load both end voltage, make this circuit have constant-current characteristics.
Bridge rectifier adopts full-wave rectification bridge MB6S, and the resistance-capacitance depressurization circuit is arranged between LED lamp holding circuit and the bridge rectifier;
Mu balanced circuit is formed for voltage-stabiliser tube D5, and the positive pole of voltage-stabiliser tube D5 connects the negative pole of full-wave rectification bridge MB6S;
Filter circuit is polar capacitor C2, and the positive pole of polar capacitor C2 is connected with the positive pole of full-wave rectification bridge MB6S, and polar capacitor C2 and voltage-stabiliser tube D5 are connected in parallel in the rear end of bridge rectifier.
Connect current-limiting resistance R3 in resistance-capacitance depressurization formula power supply between filter circuit and the mu balanced circuit, the positive pole of current-limiting resistance R3 connects the negative pole of polar capacitor C2.
Many LED light emitting diode series connection are connected the two ends of polar capacitor C2.
The number of many LED light emitting diodes is four, five, six or a plurality of, and the LED light emitting diode is white, red, blue or green.
The lumen value of self-rectifying LED lamp illumination module is not less than 40lm.
E14 copper nickel lamp holder metal material is H62.
The utility model fusion driving power and LED lamp are in one, and the lumen value of entire module is not less than 40lm, can change with common bulb, make the refrigerator illumination bright more energy-conservation.
Claims (7)
1. a refrigerator is characterized in that with self-rectifying LED lamp illumination module:
Formed by driving power circuit and many LED light emitting diodes; Described driving power circuit adopts resistance-capacitance depressurization formula power supply, and the power input of described driving power circuit is civil power 220V alternating voltage, and output is the DC voltage for described LED light emitting diode power supply; Described self-rectifying LED lamp illumination module adopts the E14 copper nickel lamp holder of helicitic texture, the setting that is nested of the bayonet socket of described lamp holder and common lamp socket; Described resistance-capacitance depressurization formula power supply comprises LED lamp holding circuit, resistance-capacitance depressurization circuit, bridge rectifier, mu balanced circuit and filter circuit.
2. refrigerator according to claim 1 is characterized in that: in described resistance-capacitance depressurization formula power supply with self-rectifying LED lamp illumination module:
The LED lamp holding circuit that is arranged on civil power 220V ac voltage input is in parallel with piezo-resistance 7D471 after connecting with current-limiting resistance R1 with thermistor PTC;
Described resistance-capacitance depressurization circuit is to be connected in parallel by capacitor C 1 and resistance R 2; Its front end connects LED lamp holding circuit;
Described bridge rectifier adopts full-wave rectification bridge MB6S, and described resistance-capacitance depressurization circuit is arranged between described LED lamp holding circuit and the bridge rectifier;
Described mu balanced circuit is formed for voltage-stabiliser tube D5, and the positive pole of described voltage-stabiliser tube D5 connects the negative pole of full-wave rectification bridge MB6S;
Described filter circuit is polar capacitor C2, and the positive pole of described polar capacitor C2 is connected with the positive pole of full-wave rectification bridge MB6S, and polar capacitor C2 and voltage-stabiliser tube D5 are connected in parallel in the rear end of bridge rectifier.
3. refrigerator according to claim 2 is with self-rectifying LED lamp illumination module, it is characterized in that connecting current-limiting resistance R3 between the filter circuit and mu balanced circuit in described resistance-capacitance depressurization formula power supply, and the positive pole of described current-limiting resistance R3 connects the negative pole of polar capacitor C2.
4. refrigerator according to claim 2 is with self-rectifying LED lamp illumination module, and it is characterized in that: described many LED light emitting diodes series connection is connected the two ends of polar capacitor C2.
5. refrigerator according to claim 1 is with self-rectifying LED lamp illumination module, and it is characterized in that: the number of described many LED light emitting diodes is four, five, six or a plurality of, and described LED light emitting diode be white, red, blueness or green.
6. refrigerator according to claim 1 is with self-rectifying LED lamp illumination module, and it is characterized in that: the lumen value of described self-rectifying LED lamp illumination module is not less than 40lm.
7. refrigerator according to claim 1 is with self-rectifying LED lamp illumination module, and it is characterized in that: described E14 copper nickel lamp holder metal material is H62, and contact conductor is welded on the lamp holder securely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672248 CN203036999U (en) | 2012-12-07 | 2012-12-07 | Selfrectification LED lamp lighting module group for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672248 CN203036999U (en) | 2012-12-07 | 2012-12-07 | Selfrectification LED lamp lighting module group for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203036999U true CN203036999U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220672248 Expired - Fee Related CN203036999U (en) | 2012-12-07 | 2012-12-07 | Selfrectification LED lamp lighting module group for refrigerator |
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| Country | Link |
|---|---|
| CN (1) | CN203036999U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9686828B2 (en) | 2014-06-15 | 2017-06-20 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
| US9826582B2 (en) | 2014-06-15 | 2017-11-21 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
-
2012
- 2012-12-07 CN CN 201220672248 patent/CN203036999U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9686828B2 (en) | 2014-06-15 | 2017-06-20 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
| US9826582B2 (en) | 2014-06-15 | 2017-11-21 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
| US10349473B2 (en) | 2014-06-15 | 2019-07-09 | Signify Holding B.V. | LED retrofit lamp with a strike barrier |
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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: 20130703 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |