CN201131072Y - MR16 type high-capacity LED lamp - Google Patents
MR16 type high-capacity LED lamp Download PDFInfo
- Publication number
- CN201131072Y CN201131072Y CNU2007203032550U CN200720303255U CN201131072Y CN 201131072 Y CN201131072 Y CN 201131072Y CN U2007203032550 U CNU2007203032550 U CN U2007203032550U CN 200720303255 U CN200720303255 U CN 200720303255U CN 201131072 Y CN201131072 Y CN 201131072Y
- Authority
- CN
- China
- Prior art keywords
- led lamp
- links
- integrated circuit
- circuit
- schottky diode
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 27
- 229910052736 halogen Inorganic materials 0.000 abstract description 5
- 150000002367 halogens Chemical class 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a MR16 type high-power LED lamp, in particular to a MR16 type high-power LED lamp with the nominal working voltage of 12 VAC for power frequency alternating current and high frequency alternating current. The high-power LED lamp comprises a driver and an LED illuminator; wherein, the driver comprises a rectifier circuit, a constant current circuit and an output circuit; an input end of the rectifier circuit inputs power frequency/high frequency 12V low-voltage alternating current; when the low frequency AC 12V or high frequency AC 12V is introduced at the input end, the LED lamp is on, the value of a resistor R is regulated to determine the current value of the LED lamp, and the current value is constant current value. The products of the MR16 type high-power LED lamp can output and connect with 3X1 W high-power LED lamp at most, and can also connect with 1X1 W high-power LED lamp or 1X3 W high-power LED lamp. The MR16 type high-power LED lamp has the advantages of reasonable design, simple structure, stable circuit property of the driver, high reliability, long service life and ability to directly substitute the traditional MR16 type low voltage halogen lamp adopting high frequency electronic transformers.
Description
Technical field:
The utility model relates to a kind of high-capacity LED lamp, particularly a kind ofly can adapt to industrial frequency AC, also can adapt to the MR16 type high-capacity LED lamp that high-frequency ac and nominal operation voltage are 12VAC.
Technical background:
Present existing MR16 type high-capacity LED lamp generally all adopts industrial frequency AC low pressure 12V as operating voltage, and the high-frequency ac 12V that can not effectively compatiblely adopt the output of high-frequency electronic transformer owing to simple industrial frequency AC low pressure 12V operating voltage is as importing power supply, more can not directly substituting the MR16 type low-voltage halogen tungsten of the high-frequency ac 12V of traditional employing high-frequency electronic transformer output as operating voltage with the MR16 type high-capacity LED lamp that simple power frequency low pressure 12V is an operating voltage.Be inevitable from development trend consideration, its directly alternative traditional low-voltage halogen tungsten of MR16 type high-capacity LED lamp.Though the minority product also has the feature that adapts to power frequency, high-frequency ac low pressure 12V but the technical sophistication that adopts and use too much components and parts and too small Surface Mount packaging part and influence the reliability of its work in the prior art, and then causes the higher meeting of cost directly to influence the possibility of popularizing and directly substitute traditional MR16 type low-voltage halogen tungsten of application surface.Still do not have at present the low MR16 type high-capacity LED lamp that industrial frequency AC low pressure also adapts to high-frequency ac low pressure that both adapts to of technology maturation and stability of characteristics cost and be applied to ancillary engineering facility.
Summary of the invention:
The purpose of this utility model is to provide a kind of in order to solve above-mentioned deficiency of the prior art and can adapt to industrial frequency AC, also can adapt to the MR16 type high-capacity LED lamp that high-frequency ac and nominal operation voltage are 12VAC.
In order to achieve the above object, the MR16 type high-capacity LED lamp of the utility model design, it comprises driver and LED luminous element, wherein driver comprises rectification circuit, constant-current circuit, output circuit, the input input power frequency/high frequency low voltage alternating current of rectification circuit, described rectification circuit is by Schottky diode D1, D2, D3, D4, electrolytic capacitor C1 forms jointly, wherein: Schottky diode D1 positive pole with connect input power supply one end after the D3 negative pole links to each other, Schottky diode D2 positive pole with connect the input power supply other end after the D4 negative pole links to each other, Schottky diode D1 negative pole and D2 negative pole, the positive polarity of forming DC power supply after the positive pole of electrolytic capacitor C1 links to each other, the anodal and D4 positive pole of Schottky diode D3, the negative polarity of forming DC power supply after the negative pole of electrolytic capacitor C1 links to each other.Described constant-current circuit is made of jointly integrated circuit (IC), capacitor C 2, resistance R, wherein: the 1st pin of integrated circuit (IC) links to each other with an end of the positive pole of electrolytic capacitor C1, resistance R, the 2nd pin of integrated circuit (IC) links to each other with the other end of resistance R, the 3rd pin of integrated circuit (IC) links to each other with the negative pole of electrolytic capacitor C1, the 5th pin of integrated circuit (IC) links to each other with an end of capacitor C 2, and the other end of capacitor C 2 links to each other with the 3rd pin of integrated circuit (IC), the negative pole of electrolytic capacitor C1.Described output circuit is made of jointly integrated circuit (IC), Schottky diode D5, inductor L, high-capacity LED lamp, wherein: the 4th pin of integrated circuit (IC) links to each other with the end of the negative pole of Schottky diode D5, inductor L, the other end of inductor L links to each other with the positive pole of high-capacity LED lamp, and the negative pole of high-capacity LED lamp links to each other with the positive pole of Schottky diode D5, the 3rd pin of integrated circuit (IC).
Described LED luminous element can be single LED, also can be single LED assembly.
MR16 type high-capacity LED lamp of the present utility model, have advantages such as reasonable in design, simple in structure, drive circuit stability of characteristics, reliability height, long service life, can directly substitute and adopt the high-frequency electronic transformer to use as traditional MR16 type low-voltage halogen tungsten of input voltage.
Description of drawings:
Accompanying drawing 1 is the utility model functional-block diagram;
Accompanying drawing 2 is the utility model circuit theory diagrams.
Execution mode:
Embodiment:
As shown in Figure 1, the MR16 type high-capacity LED lamp that present embodiment provides, it comprises driver 5 and LED luminous element 6, and wherein driver is made up of rectification circuit 1, constant-current circuit 2, output circuit 3,12 volts of low-voltage ACs of input 4 input power frequency/high frequencies of rectification circuit.As shown in Figure 2, the rectification circuit 1 of described driver 5 comprises: be made up of jointly Schottky diode D1, D2, D3, D4, electrolytic capacitor C1, wherein: Schottky diode D1 positive pole with connect input power supply one end after the D3 negative pole links to each other, Schottky diode D2 positive pole with connect the input power supply other end after the D4 negative pole links to each other, form the positive polarity of DC power supply after Schottky diode D1 negative pole links to each other with the positive pole of D2 negative pole, electrolytic capacitor C1, form the negative polarity of DC power supply after Schottky diode D3 positive pole links to each other with the negative pole of D4 positive pole, electrolytic capacitor C1.The constant-current circuit 2 of described driver 5 comprises: be made up of jointly integrated circuit (IC), capacitor C 2, resistance R, wherein: the 1st pin of integrated circuit (IC) links to each other with an end of the positive pole of electrolytic capacitor C1, resistance R, the 2nd pin of integrated circuit (IC) links to each other with the other end of resistance R, the 3rd pin of integrated circuit (IC) links to each other with the negative pole of electrolytic capacitor C1, the 5th pin of integrated circuit (IC) links to each other with an end of capacitor C 2, and the other end of capacitor C 2 links to each other with the 3rd pin of integrated circuit (IC), the negative pole of electrolytic capacitor C1.The output circuit 3 of described driver 5 comprises: be made up of jointly integrated circuit (IC), Schottky diode D5, inductor L, high-capacity LED luminous element 6, wherein: the 4th pin of integrated circuit (IC) links to each other with the end of the negative pole of Schottky diode D5, inductor L, the other end of inductor L links to each other with the positive pole of high-capacity LED luminous element 6, and the negative pole of high-capacity LED luminous element 6 links to each other with the positive pole of Schottky diode D5, the 3rd pin of integrated circuit (IC).
D1, D2, D3, D4, D5 all adopts Schottky diode, because the rectified action of Schottky diode only is decided by majority carrier, the problem that does not have unnecessary minority carrier recombination, switching characteristic is obviously improved, only be discharging and recharging the time of barrier capacitance recovery time, so its reverse recovery time is less than 10ns, and forward voltage drop is littler than common junction diode, representative value is about 0.4V, low in energy consumption, the efficient height, just because its above-mentioned feature that has, so the not available good characteristic of other junction diode arranged in the high-frequency rectification technology, and in the low frequency commutation technique low drop-out nature of Schottky diode other junction diode is can't be obtained especially.Therefore adopt Schottky diode effectively compatibility no matter be that (12V, frequency 〉=20KHZ) import the rectification under the Power Supplies Condition for industrial frequency AC (12V, frequency 50HZ) or high-frequency ac.It is the special-purpose high-capacity LED constant current of TO-2525L chip AE7150 that integrated circuit (IC) can adopt packing forms.When input 4 adds low-frequency ac 12V or high-frequency ac 12V, LED luminous element 6 lighted, the value of regulating resistance R is constant current value with current value, this value of determining LED luminous element 6.The product that the utility model forms output at most connects 3 * 1W high-capacity LED luminous element 6, also can connect 1 * 1W high-capacity LED luminous element 6 or 1 * 3W high-capacity LED luminous element 6.
Claims (3)
1, a kind of MR16 type high-capacity LED lamp, it comprises driver (5) and LED luminous element (6), wherein driver (5) comprises rectification circuit (1), constant-current circuit (2), output circuit (3), the input of rectification circuit (4) input power frequency/high frequency low voltage alternating current, the rectification circuit (1) that it is characterized in that described driver (5) is by Schottky diode D1, D2, D3, D4, electrolytic capacitor C1 forms jointly, wherein: Schottky diode D1 positive pole with connect input power supply one end after the D3 negative pole links to each other, Schottky diode D2 positive pole with connect the input power supply other end after the D4 negative pole links to each other, Schottky diode D1 negative pole and D2 negative pole, the positive polarity of forming DC power supply after the positive pole of electrolytic capacitor C1 links to each other, the anodal and D4 positive pole of Schottky diode D3, the negative polarity of forming DC power supply after the negative pole of electrolytic capacitor C1 links to each other.
2, a kind of MR16 type high-capacity LED lamp according to claim 1, the constant-current circuit (2) that it is characterized in that described driver (5) is by integrated circuit (IC), capacitor C 2, resistance R is formed jointly, wherein: the 1st pin of integrated circuit (IC) and the positive pole of electrolytic capacitor C1, one end of resistance R links to each other, the 2nd pin of integrated circuit (IC) links to each other with the other end of resistance R, the 3rd pin of integrated circuit (IC) links to each other with the negative pole of electrolytic capacitor C1, the 5th pin of integrated circuit (IC) links to each other with an end of capacitor C 2, the 3rd pin of the other end of capacitor C 2 and integrated circuit (IC), the negative pole of electrolytic capacitor C1 links to each other.
3, a kind of MR16 type high-capacity LED lamp according to claim 1 and 2, the output circuit (3) that it is characterized in that described driver (5) is made of jointly integrated circuit (IC), Schottky diode D5, inductor L, high-capacity LED luminous element, wherein: the 4th pin of integrated circuit (IC) links to each other with the end of the negative pole of Schottky diode D5, inductor L, the other end of inductor L links to each other with the positive pole of high-capacity LED luminous element, and the negative pole of high-capacity LED luminous element links to each other with the positive pole of Schottky diode D5, the 3rd pin of integrated circuit (IC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203032550U CN201131072Y (en) | 2007-12-19 | 2007-12-19 | MR16 type high-capacity LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203032550U CN201131072Y (en) | 2007-12-19 | 2007-12-19 | MR16 type high-capacity LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201131072Y true CN201131072Y (en) | 2008-10-08 |
Family
ID=40018941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203032550U Expired - Lifetime CN201131072Y (en) | 2007-12-19 | 2007-12-19 | MR16 type high-capacity LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201131072Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079924A1 (en) * | 2007-12-19 | 2009-07-02 | Jinxiang Shen | Mr16 type high power led lamp |
| CN102598855A (en) * | 2009-09-18 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | Illumination device |
| CN103841696A (en) * | 2012-11-22 | 2014-06-04 | 欧普照明股份有限公司 | LED (light emitting diode) driving controller, illumination device and illumination system |
| CN104427694A (en) * | 2013-08-27 | 2015-03-18 | 无锡华润华晶微电子有限公司 | LED constant-current drive module and LED constant-current drive circuit including LED constant-current drive module |
-
2007
- 2007-12-19 CN CNU2007203032550U patent/CN201131072Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079924A1 (en) * | 2007-12-19 | 2009-07-02 | Jinxiang Shen | Mr16 type high power led lamp |
| CN102598855A (en) * | 2009-09-18 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | Illumination device |
| US9167652B2 (en) | 2009-09-18 | 2015-10-20 | Koninklijke Philips N.V. | Illumination device |
| CN102598855B (en) * | 2009-09-18 | 2015-12-09 | 皇家飞利浦电子股份有限公司 | Lighting apparatus |
| CN103841696A (en) * | 2012-11-22 | 2014-06-04 | 欧普照明股份有限公司 | LED (light emitting diode) driving controller, illumination device and illumination system |
| CN104427694A (en) * | 2013-08-27 | 2015-03-18 | 无锡华润华晶微电子有限公司 | LED constant-current drive module and LED constant-current drive circuit including LED constant-current drive module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101207954B (en) | Mr16 type high power led lamp | |
| CN104365183B (en) | For driving the power circuit of LED and method of supplying power to and the primary side control circuit of kickback transformer | |
| US20150022100A1 (en) | LED driving device and control method | |
| CN101925230A (en) | LED (Light Emitting Diode) drive power source with high efficiency, low power consumption and low cost | |
| CN201131072Y (en) | MR16 type high-capacity LED lamp | |
| CN201860484U (en) | Driving power supply of LED lamp | |
| CN201750591U (en) | Self-adaptive light emitting diode (LED) drive power supply | |
| CN201893981U (en) | Light-emitting diode (LED) spotlight drive circuit | |
| CN102271443A (en) | Self-adapting LED (light-emitting diode) driving power supply | |
| CN103428967B (en) | For the harmless forward voltage matching network of LED driver | |
| CN202634839U (en) | Light emitting diode (LED) drive circuit and LED lighting lamp | |
| CN203574886U (en) | High-power LED lamp drive power supply with high power factor | |
| CN202425146U (en) | A driving circuit for an LED lighting device | |
| CN201639821U (en) | Dimming control circuit of LED lamp | |
| CN204652745U (en) | A kind of constant current driver circuit for LED | |
| CN201515526U (en) | Photo-electricity conversion driving circuit of LED | |
| CN202773133U (en) | Light-emitting diode driving circuit | |
| CN105992427A (en) | Light-emitting diode dimming circuit | |
| CN102932998B (en) | Power converter | |
| CN202310223U (en) | Stable-sampling-voltage LED (light-emitting diode) constant-current drive power source | |
| CN102083261B (en) | Drive circuit for LED (Light-Emitting Diode) lamp | |
| CN202652650U (en) | Hybrid integrated LED constant-current power circuit | |
| CN208258138U (en) | A kind of adjusting control circuit for magnetic linear lighting | |
| CN108601131B (en) | TRIAC dimmer current maintaining circuit and linear dimming driving circuit using same | |
| CN203368850U (en) | Durable LED lamp driving power supply without electrolytic capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SHENGHUI LIGHTING CO., LTD. Free format text: FORMER OWNER: SHEN JINXIANG Effective date: 20110906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 314501 JIAXING, ZHEJIANG PROVINCE TO: 314015 JIAXING, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110906 Address after: 314015 West Road, Xiuzhou Industrial Zone, Jiaxing, Zhejiang Patentee after: Zhejiang Shenghui Lighting Co., Ltd. Address before: 314501 Wuzhen Town, Zhejiang province Tongxiang Shenghui Lighting Appliance Co., Ltd. Patentee before: Shen Jinxiang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |
|
| CX01 | Expiry of patent term |