CN202799257U - LED fluorescent lamp utilizing high-frequency self-vibration electronic transformer - Google Patents
LED fluorescent lamp utilizing high-frequency self-vibration electronic transformer Download PDFInfo
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- CN202799257U CN202799257U CN 201220417659 CN201220417659U CN202799257U CN 202799257 U CN202799257 U CN 202799257U CN 201220417659 CN201220417659 CN 201220417659 CN 201220417659 U CN201220417659 U CN 201220417659U CN 202799257 U CN202799257 U CN 202799257U
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- electronic transformer
- fluorescent lamp
- led
- led fluorescent
- control circuit
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Abstract
The utility model discloses an LED fluorescent lamp utilizing a high-frequency self-vibration electronic transformer. The LED fluorescent lamp comprises a self-vibration electronic transformer, a bridge type rectifier, a low internal resistance capacitor, a constant current control circuit and an LED. Commercial power is connected with the self-vibration electronic transformer. The self-vibration electronic transformer is connected with the bridge type rectifier. The bridge type rectifier is connected with the low internal resistance capacitor. The low internal resistance capacitor is connected with the constant current control circuit. The constant current control circuit is connected with the LED. According to the LED fluorescent lamp utilizing the high-frequency self-vibration electronic transformer, the 12VAC output self-vibration electronic transformer utilized by a halogen lamp is adopted to provide a driving power source for the LED. The LED fluorescent lamp of the utility model is easy to produce, is low in price and is easy for popularization and application, and the service life of the LED fluorescent lamp is guaranteed.
Description
Technical field
The utility model relates to a kind of lighting, is specifically related to a kind of LED fluorescent lamp that adopts high frequency auto-oscillation type electronic transformer.
Background technology
Along with the development of electronic technology, the LED illumination has large-scale application, and the led fluorescent lamp also uses in a large number at present, but price is all higher.The driving power of LED is divided into built-in and external two kinds of forms, none common standard of external power supply, built-in power is the Heat affects LED light efficiency of power supply then, also can't ensure 100,000 hours life-span of LED fully the useful life of two kinds of power supplys simultaneously, and Halogen lamp LED development many decades, so face replacement but its luminous efficiency is poor, but its transformation technology is from exchanging that high pressure is transformed into that the 12v AC low-tension improves very much and inexpensive.The emphasis of the utility model people design is to add that but new technology reaches efficiently, the LED fluorescent lamp of low-cost large-scale popularization with existing possible technique.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, and a kind of LED fluorescent lamp that adopts high frequency auto-oscillation type electronic transformer is provided, and is converted to the driving light source of LED with the technical finesse High Level AC Voltage recycling low pressure of existing maturation.
Technical scheme: a kind of LED fluorescent lamp that adopts high frequency auto-oscillation type electronic transformer described in the utility model, comprise auto-oscillation type electronic transformer, bridge rectifier, low internal resistance electric capacity, constant-current control circuit and LED, civil power is connected with the auto-oscillation type electronic transformer, described auto-oscillation type electronic transformer is connected with bridge rectifier, described bridge rectifier is connected with low internal resistance electric capacity, described low internal resistance electric capacity is connected with constant-current control circuit, and described constant-current control circuit is connected with LED.
Further improve technique scheme, described bridge rectifier is made of Schottky diode or fast diode.
The utility model compared with prior art, its beneficial effect is: the LED fluorescent lamp of employing high frequency auto-oscillation type electronic transformer described in the utility model, the 12VAC output auto-oscillation type electronic transformer that utilizes Halogen lamp LED to use provides driving power as LED, produce easily, price is cheap, easily apply and useful life secure, can form a common standard.
Description of drawings
Fig. 1 is electrical block diagram of the present utility model.
Among the figure: 1, auto-oscillation type electronic transformer; 2, bridge rectifier; 3, low internal resistance efficient capacitive; 4, constant-current control circuit; 5, LED.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection range of the present utility model is not limited to described embodiment.
As shown in Figure 1, a kind of LED fluorescent lamp that adopts high frequency auto-oscillation type electronic transformer, comprise auto-oscillation type electronic transformer 1, the bridge rectifier 2 that is consisted of by Schottky diode or fast diode, low internal resistance efficient capacitive 3, constant-current control circuit 4 and LED5, described auto-oscillation type electronic transformer 1 is arranged on the outside of fluorescent lamp, other electronic components are arranged on fluorescent lamp inside, civil power is connected with auto-oscillation type electronic transformer 1, high pressure is converted to low-voltage alternating-current, described auto-oscillation type electronic transformer 1 is connected with bridge rectifier 2, the high frequency low voltage interchange is converted to direct current, described bridge rectifier 2 is connected store electrical energy with low internal resistance efficient capacitive 3, described low internal resistance efficient capacitive 3 is connected the constant current direct current that direct current is converted to driving LED with constant-current control circuit 4, described constant-current control circuit 4 is connected with LED5.
Above-mentioned LED fluorescent lamp utilizes the 12VAC output auto-oscillation type electronic transformer that Halogen lamp LED uses to provide driving power as LED, produce easily, price is cheap, easily apply and useful life secure.
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (2)
1. LED fluorescent lamp that adopts high frequency auto-oscillation type electronic transformer, it is characterized in that, comprise auto-oscillation type electronic transformer, bridge rectifier, low internal resistance electric capacity, constant-current control circuit and LED, civil power is connected with the auto-oscillation type electronic transformer, described auto-oscillation type electronic transformer is connected with bridge rectifier, described bridge rectifier is connected with low internal resistance electric capacity, and described low internal resistance electric capacity is connected with constant-current control circuit, and described constant-current control circuit is connected with LED.
2. the LED fluorescent lamp of employing high frequency auto-oscillation type electronic transformer according to claim 1 is characterized in that described bridge rectifier is made of Schottky diode or fast diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417659 CN202799257U (en) | 2012-08-22 | 2012-08-22 | LED fluorescent lamp utilizing high-frequency self-vibration electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417659 CN202799257U (en) | 2012-08-22 | 2012-08-22 | LED fluorescent lamp utilizing high-frequency self-vibration electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202799257U true CN202799257U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220417659 Expired - Fee Related CN202799257U (en) | 2012-08-22 | 2012-08-22 | LED fluorescent lamp utilizing high-frequency self-vibration electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202799257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103002620A (en) * | 2012-08-22 | 2013-03-27 | 苏州金科信汇光电科技有限公司 | LED daylight lamp with high-frequency self-vibration electronic transformer |
| CN104619093A (en) * | 2015-02-26 | 2015-05-13 | 黄焕珠 | Novel constant current source driven LED (Light Emitting Diode) illumination lamp |
-
2012
- 2012-08-22 CN CN 201220417659 patent/CN202799257U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103002620A (en) * | 2012-08-22 | 2013-03-27 | 苏州金科信汇光电科技有限公司 | LED daylight lamp with high-frequency self-vibration electronic transformer |
| CN104619093A (en) * | 2015-02-26 | 2015-05-13 | 黄焕珠 | Novel constant current source driven LED (Light Emitting Diode) illumination lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |