CN201382384Y - LED lamp - Google Patents
LED lamp Download PDFInfo
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- CN201382384Y CN201382384Y CN200920041278U CN200920041278U CN201382384Y CN 201382384 Y CN201382384 Y CN 201382384Y CN 200920041278 U CN200920041278 U CN 200920041278U CN 200920041278 U CN200920041278 U CN 200920041278U CN 201382384 Y CN201382384 Y CN 201382384Y
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Abstract
The utility model discloses an LED lamp, which comprises a lamp housing and a light emitting diode circuit therein. Four lamp bases are arranged on the lamp housing, a reaction circuit is arranged inside the lamp housing, the input terminal of the reaction circuit is respectively connected with the first, the second, the third and the fourth lamp bases, the output terminal of the reaction circuit is electrically connected with the input terminal of a current converting circuit, and the output terminal of the current converting circuit is electrically connected with the light emitting diode circuit. In addition, the reaction circuit adopts an equivalent impedance circuit or an impedance circuit. The utility model is an LED lamp convenient for household use and suitable for fluorescent lighting systems.
Description
Technical field
The utility model relates to the lamp field, particularly a kind of LED lamp.
Background technology
LED (Light Emitting Diode) is the abbreviation of light emitting diode.At present, LED with its energy-saving and environmental protection, feature of long life, will replace the main new lighting source of other types light source as a kind of new lighting source.But lighting field generally use fluorescent lamp, and corollary system is light fixtures such as ballast, inverter with it at present.If replace fluorescent lamp with the LED lamp, then to reequip light fixture, remove ballast, inverter etc., concerning no professional's user, bring very big trouble like this, even do not know how do i, therefore must influence the popularization of LED illumination.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of family easy to use, is applicable to the LED lamp of fluorescent lamp lighting system.
The technical scheme that realizes above-mentioned purpose is: a kind of LED lamp, comprise the circuit of LED in lamp housing and the lamp housing, its improvement is: have four lamp bases on the lamp housing, has feedback circuit in the lamp housing, the input of described feedback circuit is connected with first lamp base, second lamp base, the 3rd lamp base and the 4th lamp base respectively, the output of feedback circuit is electrically connected with the input of current converter circuit, and the output of current converter circuit is electrically connected with circuit of LED.
Described feedback circuit is equiva lent impedance circuit or impedance circuit, described equiva lent impedance circuit or impedance circuit comprise first circuit and second circuit, be serially connected with first circuit between first lamp base and second lamp base, be serially connected with second circuit between the 3rd lamp base and the 4th lamp base, the absolute value of the resistance value of described first circuit and second circuit is all greater than 1 ohm.
Described impedance circuit is a resistance circuit, and first circuit is first resistance, and second circuit is second resistance.
Described equiva lent impedance circuit comprises resistance, inductance, electric capacity and diode.
Described current converter circuit comprises rectification circuit, filter circuit, described rectification circuit can be halfwave rectifier, perhaps full-wave rectification, perhaps bridge rectifier also can be voltage multiplying rectifier, and the output of described feedback circuit is electrically connected with the input of rectification circuit, described filter circuit can be capacitor filter, perhaps RC filter circuit, perhaps active filter circuit, the input of described filter circuit is electrically connected with the output of rectification circuit.
Described current converter circuit also comprises reduction voltage circuit, and described reduction voltage circuit places between the input of the output of feedback circuit and rectification circuit.Described reduction voltage circuit is the transformer reduction voltage circuit.
Described current converter circuit is a switching power circuit, and the input of switching power circuit is electrically connected with the output of feedback circuit, and the output of switching power circuit is electrically connected with circuit of LED.
Described feedback circuit, current converter circuit and circuit of LED place at least one wiring board.
Described lamp housing is that a tubular body and two ends have end cap, and four per two of lamp bases are one group, and two groups of lamp bases place respectively on two end caps of lamp housing.
The utility model is owing to used feedback circuit, when the user uses, directly insert in the family expenses fluorescent lamp electric power system, feedback circuit is not damaged when making continuous power supply of ballast or ballast work, feedback circuit, current converter circuit and circuit of LED place on the wiring board, directly power by ballast to wiring board, LED is lighted uninterruptedly, and used current converter circuit to guarantee the power supply of LED, making does not need professional's help just the LED illumination can be directly used in common family expenses fluorescent lamp lighting system, makes the LED illumination obtain smoothly and popularization widely.
Description of drawings
Fig. 1 is an installment state schematic diagram of the present utility model;
Fig. 2 is the internal circuit schematic diagram of Fig. 1;
Fig. 3 is the utility model embodiment 1;
Fig. 4 is the utility model embodiment 2;
Fig. 5 is the schematic diagram of equiva lent impedance circuit;
Fig. 6 is a fluorescent lamp scheme of installation in the ballast electric power system.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment 1:
As Fig. 1,2,3,5, a kind of LED lamp, comprise the circuit of LED 7 in lamp housing and the lamp housing, have four lamp bases 1,2,3,4 on the lamp housing, has feedback circuit 5 in the lamp housing, the input of described feedback circuit 5 is connected with the 4th lamp base 4 with first lamp base 1, second lamp base 2, the 3rd lamp base 3 respectively, and the output of feedback circuit 5 is electrically connected with the input of current converter circuit 6, and the output of current converter circuit 6 is electrically connected with circuit of LED 7.
Described feedback circuit 5 is equiva lent impedance circuit or impedance circuit, described equiva lent impedance circuit or impedance circuit comprise the first circuit Z1 and second circuit Z2, be serially connected with the first circuit Z1 between first lamp base 1 and second lamp base 2, be serially connected with second circuit Z2 between the 3rd lamp base 3 and the 4th lamp base 4, the absolute value of the resistance value of described first circuit Z1 and second circuit Z2 is all greater than 1 ohm.
Described impedance circuit is a resistance circuit, and the first circuit Z1 is first resistance R 1, and second circuit Z2 is second resistance R 2.Resistance can be two also can be more than two, resistance more than two can be divided into several pyrotoxins by a concentrated pyrotoxin with resistance heating, thereby be no more than the power of resistance, prevent simultaneously because resistance concentrates heating to cause certain position temperature of whole illuminator too high, thereby infringement influences the life-span of whole illuminator as electronic component such as light emitting diode.
Resistance also can be substituted by other electronic components or by the circuit that other electronic components etc. are formed, as long as can produce impedances such as induction reactance and capacitive reactance at the circuit two ends, can make ballast that power supply is provided uninterruptedly and does not damage ballast.As the equiva lent impedance circuit, described equiva lent impedance circuit comprises resistance, inductance, electric capacity and diode.
Described current converter circuit 6 comprises rectification circuit, filter circuit, described rectification circuit can be halfwave rectifier, perhaps full-wave rectification, perhaps bridge rectifier also can be voltage multiplying rectifier, and the output of described feedback circuit 5 is electrically connected with the input of rectification circuit, described filter circuit can be capacitor filter, perhaps RC filter circuit, perhaps active filter circuit, the input of described filter circuit is electrically connected with the output of rectification circuit.Described current converter circuit 6 also comprises reduction voltage circuit, and described reduction voltage circuit places between the input of the output of feedback circuit 5 and rectification circuit.Described reduction voltage circuit is the transformer reduction voltage circuit.Described lamp housing is that a tubular body and two ends have end cap, four lamp bases 1,2,3,4 per two be one group, two groups of lamp bases place respectively on two end caps of lamp housing.Its shape structure is with to have fluorescent tube now the same.
Embodiment 2:
As Fig. 1,2,4,5, a kind of LED lamp, comprise the circuit of LED 7 in lamp housing and the lamp housing, have four lamp bases 1,2,3,4 on the lamp housing, has feedback circuit 5 in the lamp housing, the input of described feedback circuit 5 is connected with the 4th lamp base 4 with first lamp base 1, second lamp base 2, the 3rd lamp base 3 respectively, and the output of feedback circuit 5 is electrically connected with the input of current converter circuit 6, and the output of current converter circuit 6 is electrically connected with circuit of LED 7.
Described feedback circuit 5 is equiva lent impedance circuit or impedance circuit, described equiva lent impedance circuit or impedance circuit comprise the first circuit Z1 and second circuit Z2, be serially connected with the first circuit Z1 between first lamp base 1 and second lamp base 2, be serially connected with second circuit Z2 between the 3rd lamp base 3 and the 4th lamp base 4, the absolute value of the resistance value of described first circuit Z1 and second circuit Z2 is all greater than 1 ohm.
Described impedance circuit is a resistance circuit, and the first circuit Z1 is first resistance R 1, and second circuit Z2 is second resistance R 2.Resistance can be two also can be more than two, resistance more than two can be divided into several pyrotoxins by a concentrated pyrotoxin with resistance heating, thereby be no more than the power of resistance, prevent simultaneously because resistance concentrates heating to cause certain position temperature of whole illuminator too high, thereby infringement influences the life-span of whole illuminator as electronic component such as light emitting diode.
Resistance also can be substituted by other electronic components or by the circuit that other electronic components etc. are formed, as long as can produce impedances such as induction reactance and capacitive reactance at the circuit two ends, can make ballast that power supply is provided uninterruptedly and does not damage ballast.As the equiva lent impedance circuit, described equiva lent impedance circuit comprises resistance, inductance, electric capacity and diode.
Described current converter circuit 6 is a switching power circuit, and the input of switching power circuit is electrically connected with the output of feedback circuit 5, and the output of switching power circuit is electrically connected with circuit of LED 7.Described feedback circuit 5, current converter circuit 6 place on two wiring boards with circuit of LED 7.Described switching power circuit can be selected TL494 for use.
Described lamp housing is that a tubular body and two ends have end cap, four lamp bases 1,2,3,4 per two be one group, two groups of lamp bases place respectively on two end caps of lamp housing.Its shape structure is with to have fluorescent tube now the same.
It can be that frequency is the sinusoidal ac of 50Hz that ballast provides electric current, and form electric current that also can other frequencies is as the alternating current of 50kHz.Four inputs of described feedback circuit 5 are connected with four outputs of electric ballast.
The connected mode (as Fig. 1) of LED lamp and electric ballast and the connected mode of fluorescent lamp and electric ballast (as Fig. 6), four lamp bases that are the LED lamp are connected with four outputs of electric ballast respectively, the user buys back home, can directly replace fluorescent lamp, making does not need professional's help just the LED illumination can be directly used in common family expenses fluorescent lamp lighting system, makes the LED illumination obtain smoothly and popularization widely.
Claims (10)
1, a kind of LED lamp, comprise the circuit of LED (7) in lamp housing and the lamp housing, it is characterized in that: have four lamp bases (1,2,3,4) on the lamp housing, has feedback circuit (5) in the lamp housing, the input of described feedback circuit (5) is connected with first lamp base (1), second lamp base (2), the 3rd lamp base (3) and the 4th lamp base (4) respectively, the output of feedback circuit (5) is electrically connected with the input of current converter circuit (6), and the output of current converter circuit (6) is electrically connected with circuit of LED (7).
2, LED lamp according to claim 1, it is characterized in that: described feedback circuit (5) is equiva lent impedance circuit or impedance circuit, described equiva lent impedance circuit or impedance circuit comprise first circuit (Z1) and second circuit (Z2), be serially connected with first circuit (Z1) between first lamp base (1) and second lamp base (2), be serially connected with second circuit (Z2) between the 3rd lamp base (3) and the 4th lamp base (4), the absolute value of the resistance value of described first circuit (Z1) and second circuit (Z2) is all greater than 1 ohm.
3, LED lamp according to claim 2 is characterized in that: described impedance circuit is a resistance circuit, and first circuit (Z1) is first resistance (R1), and second circuit (Z2) is second resistance (R2).
4, LED lamp according to claim 2 is characterized in that: described equiva lent impedance circuit comprises resistance, inductance, electric capacity and diode.
5, according to claim 1 or 2 or 3 or 4 described LED lamps, it is characterized in that: described current converter circuit (6) comprises rectification circuit, filter circuit, described rectification circuit can be halfwave rectifier, perhaps full-wave rectification, perhaps bridge rectifier, also can be voltage multiplying rectifier, the output of described feedback circuit (5) is electrically connected with the input of rectification circuit, described filter circuit can be capacitor filter, perhaps RC filter circuit, perhaps active filter circuit, the input of described filter circuit is electrically connected with the output of rectification circuit.
6, LED lamp according to claim 5 is characterized in that: described current converter circuit (6) also comprises reduction voltage circuit, and described reduction voltage circuit places between the input of the output of feedback circuit (5) and rectification circuit.
7, LED lamp according to claim 6 is characterized in that: described reduction voltage circuit is the transformer reduction voltage circuit.
8, according to claim 1 or 2 or 3 or 4 described LED lamps, it is characterized in that: described current converter circuit (6) is a switching power circuit, the input of switching power circuit is electrically connected with the output of feedback circuit (5), and the output of switching power circuit is electrically connected with circuit of LED (7).
9, LED lamp according to claim 8 is characterized in that: described feedback circuit (5), current converter circuit (6) place at least one wiring board with circuit of LED (7).
10, LED lamp according to claim 1 is characterized in that: described lamp housing is that a tubular body and two ends have end cap, and per two of four lamp bases (1,2,3,4) are one group, and two groups of lamp bases place respectively on two end caps of lamp housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920041278U CN201382384Y (en) | 2009-03-30 | 2009-03-30 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920041278U CN201382384Y (en) | 2009-03-30 | 2009-03-30 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201382384Y true CN201382384Y (en) | 2010-01-13 |
Family
ID=41525857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920041278U Expired - Fee Related CN201382384Y (en) | 2009-03-30 | 2009-03-30 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201382384Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839416B (en) * | 2010-02-02 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Lighting system, general lamp holder thereof and LED lamp thereof |
| CN103945592A (en) * | 2013-01-21 | 2014-07-23 | 朗捷科技股份有限公司 | LED lamp tube compatible with electronic stabilizer having preheating current |
| CN107110481A (en) * | 2014-08-28 | 2017-08-29 | 格雷科技术工业公司 | LED pipe drive circuit for the fluorescent tube replacement with ballast and without ballast |
-
2009
- 2009-03-30 CN CN200920041278U patent/CN201382384Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839416B (en) * | 2010-02-02 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Lighting system, general lamp holder thereof and LED lamp thereof |
| CN103945592A (en) * | 2013-01-21 | 2014-07-23 | 朗捷科技股份有限公司 | LED lamp tube compatible with electronic stabilizer having preheating current |
| CN107110481A (en) * | 2014-08-28 | 2017-08-29 | 格雷科技术工业公司 | LED pipe drive circuit for the fluorescent tube replacement with ballast and without ballast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: WU JUNYONG Owner name: CHANGZHOU KOITO JINCHUANG TRANSPORTATION EQUIPMENT Free format text: FORMER OWNER: ZHANG JIAYAN Effective date: 20110824 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510288 GUANGZHOU, GUANGDONG PROVINCE TO: 213011 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110824 Address after: 213011, No. 2, building 158, Renmin East Road, Wujin hi tech Industrial Development Zone, Changzhou, Jiangsu Patentee after: Changzhou J-KOITO Transportation Co., Ltd. of KTK Group Address before: 510288 7 Jin Sheng street, Guangzhou, Guangdong, Haizhuqu District Co-patentee before: Wu Junyong Patentee before: Zhang Jiayan |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Jiayan Document name: Notification that Application Deemed not to be Proposed |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHANG JIAYAN Free format text: FORMER OWNER: CHANGZHOU KOITO JINCHUANG TRANSPORTATION EQUIPMENT CO., LTD. Effective date: 20121016 Owner name: WU JUNYONG Effective date: 20121016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213011 CHANGZHOU, JIANGSU PROVINCE TO: 510288 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121016 Address after: 510288, 7 Jin Sheng street, Guangzhou, Guangdong, 705, Haizhuqu District Patentee after: Zhang Jiayan Patentee after: Wu Junyong Address before: 213011, No. 2, building 158, Renmin East Road, Wujin hi tech Industrial Development Zone, Changzhou, Jiangsu Patentee before: Changzhou J-KOITO Transportation Co., Ltd. of KTK Group |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20140330 |