CN204859636U - Energy -conserving LED drive circuit - Google Patents
Energy -conserving LED drive circuit Download PDFInfo
- Publication number
- CN204859636U CN204859636U CN201520490039.6U CN201520490039U CN204859636U CN 204859636 U CN204859636 U CN 204859636U CN 201520490039 U CN201520490039 U CN 201520490039U CN 204859636 U CN204859636 U CN 204859636U
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- China
- Prior art keywords
- rectifier diode
- power
- module
- electrochemical capacitor
- energy
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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
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- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Rectifiers (AREA)
Abstract
The utility model discloses an energy -conserving LED drive circuit, including power module and drive module, drive module is connected to the power module electricity. This drive circuit is specially for LED designs, be one kind small, the high efficiency accords with EMC test requirement's constant current drive power supply, has functions such as open circuit protection, short -circuit protection, with characteristics such as low noise occasionally, energy -concerving and environment -protective, high life, simple structure, precision height, the utility model provides an energy -conserving LED drive circuit, simple structure, but gain power improve electromagnetic interference.
Description
Technical field
The utility model relates to LED technical field, is specifically related to a kind of energy-saving LED drive circuit.
Background technology
Along with the development of LED technology, LED has environmental protection and energy saving due to it, power consumption bench advantage in little useful life, obtains applying more and more widely in even daily life illumination is thrown light in low-light level.LED needs to be operated in low-voltage direct state, when adopting mains-supplied, must be rectified into DC power supply, but according to the number of LED, best bet adopts switching regulator stabilized current power supply.And voltage ripple factor after rectification is larger, so will add electrochemical capacitor in actual use to carry out filtering, but after adding electrochemical capacitor, ripple factor improves, but power factor reduces.And electrochemical capacitor is least stable from whole circuit, the electrolyte chronic leak in electrochemical capacitor is inevitable, and the time, longer capacitance can slowly diminish, until invalid, and the LED life-span compare and differ greatly, thus affect the life-span of LED lamp.
Utility model content
The purpose of this utility model provides a kind of energy-saving LED drive circuit, solves one or more in above-mentioned prior art problem.
According to a kind of energy-saving LED drive circuit of the present utility model, comprise power module and driver module, power module electrical connection driver module;
Power module comprises zero-power line input, power firestreak input and bridge rectifier module, is connected with the first inductance between zero-power line input and bridge rectifier module;
Bridge rectifier module comprises the first rectifier diode, the second rectifier diode, the 3rd rectifier diode and the 4th rectifier diode, first rectifier diode, the second rectifier diode, the 3rd rectifier diode and the 4th rectifier diode form bridge rectifier voltage stabilizing circuit, the first rectifier diode and the second rectifier diode ground connection;
Zero-power line input is connected between the second rectifier diode and the 4th rectifier diode by electric wire, and power firestreak input is connected between the first rectifier diode and the 3rd rectifier diode by electric wire;
Driver module comprises surface-mounted integrated circuit and power output end, surface-mounted integrated circuit is provided with switch gearing controller, supply power voltage and ground wire node, the first resistance is connected between bridge rectifier module and supply power voltage, first electric capacity and electrochemical capacitor group, electrochemical capacitor group comprises the first electrochemical capacitor and the second electrochemical capacitor, first electrochemical capacitor and the second electrochemical capacitor are connected in circuit, ground wire node ground connection, the second resistance is connected between bridge rectifier module and supply power voltage, the second inductance is connected between the output of surface-mounted integrated circuit and power output end, 5th rectifier diode, 3rd resistance, 3rd electric capacity and the 3rd electrochemical capacitor.
A kind of energy-saving LED drive circuit provided by the utility model, has the function such as open-circuit-protection, short-circuit protection, has that low noise, energy-conserving and environment-protective, high life, structure are simple, precision high simultaneously, and structure is simple, can increasing power, improves electromagnetic interference.
In some embodiments, be also provided with bi-directional voltage stabilizing pipe, the 4th electric capacity and the 4th resistance between zero-power line input and power firestreak input, bi-directional voltage stabilizing pipe, the 4th electric capacity and the 4th resistance are connected to zero-power line input and power firestreak input.The electric current of incoming end is alternating current, is not very stable, by the interaction of bi-directional voltage stabilizing pipe, electric capacity and resistance, and the electric current in energy stabilizing circuit.
In some embodiments, the second electric capacity is also provided with between bridge rectifier module and power output end.This design can ensure the voltage stability of whole circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of energy-saving LED drive circuit of a kind of execution mode of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in more detail.
As shown in Figure 1, a kind of energy-saving LED drive circuit, comprise power module 1 and driver module 2, power module 1 is electrically connected driver module 2; Power module 1 comprises zero-power line input 11, power firestreak input 12 and bridge rectifier module 13, is connected with the first inductance 141 between zero-power line input 11 and bridge rectifier module 13; Bridge rectifier module 13 comprises the first rectifier diode 131, second rectifier diode 132, the 3rd rectifier diode 133 and the 4th rectifier diode 134, first rectifier diode 131, second rectifier diode 132, the 3rd rectifier diode 133 and the 4th rectifier diode 134 form bridge rectifier voltage stabilizing circuit, the first rectifier diode 131 and the second rectifier diode 132 ground connection; Zero-power line input 11 is connected between the second rectifier diode 132 and the 4th rectifier diode 134 by electric wire, and power firestreak input 12 is connected between the first rectifier diode 131 and the 3rd rectifier diode 133 by electric wire; Also be provided with bi-directional voltage stabilizing pipe 151, the 4th electric capacity 152 and the 4th resistance 153 between zero-power line input 11 and power firestreak input 12, bi-directional voltage stabilizing pipe 151, the 4th electric capacity 152 and the 4th resistance 153 are connected to zero-power line input 11 and power firestreak input 12.The electric current of incoming end is alternating current, is not very stable, by the interaction of bi-directional voltage stabilizing pipe, electric capacity and resistance, and the electric current in energy stabilizing circuit.
Driver module 2 comprises surface-mounted integrated circuit 21 and power output end 22, surface-mounted integrated circuit 21 is provided with switch gearing controller 211, supply power voltage 212 and ground wire node 213, the first resistance 142 is connected between bridge rectifier module 13 and supply power voltage 212, first electric capacity 143 and electrochemical capacitor group 144, electrochemical capacitor group 144 comprises the first electrochemical capacitor 1441 and the second electrochemical capacitor 1442, first electrochemical capacitor 1441 and the second electrochemical capacitor 1442 are connected in circuit, ground wire node 213 ground connection, the second resistance 145 is connected between bridge rectifier module 13 and supply power voltage 212, the second inductance 146 is connected between the output of surface-mounted integrated circuit 21 and power output end 22, 5th rectifier diode 147, 3rd resistance 148, 3rd electric capacity 149 and the 3rd electrochemical capacitor 140.
In some embodiments, the second electric capacity 154 is also provided with between bridge rectifier module 13 and power output end 22.This design can ensure the voltage stability of whole circuit.
A kind of energy-saving LED drive circuit provided by the utility model, structure is simple, can increasing power, improves electromagnetic interference.
The above is only optimal way of the present utility model; it should be pointed out that to those skilled in the art, under the prerequisite not departing from the utility model creation design; can also make some similar distortion and improvement, these also should be considered as within protection range of the present utility model.
Claims (3)
1. an energy-saving LED drive circuit, is characterized in that, comprise power module (1) and driver module (2), described power module (1) is electrically connected described driver module (2);
Described power module (1) comprises zero-power line input (11), power firestreak input (12) and bridge rectifier module (13), is connected with the first inductance (141) between described zero-power line input (11) and described bridge rectifier module (13);
Described bridge rectifier module (13) comprises the first rectifier diode (131), the second rectifier diode (132), the 3rd rectifier diode (133) and the 4th rectifier diode (134), described first rectifier diode (131), the second rectifier diode (132), the 3rd rectifier diode (133) and the 4th rectifier diode (134) form bridge rectifier voltage stabilizing circuit, described first rectifier diode (131) and the second rectifier diode (132) ground connection;
Described zero-power line input (11) is connected between described second rectifier diode (132) and the 4th rectifier diode (134) by electric wire, and described power firestreak input (12) is connected between described first rectifier diode (131) and the 3rd rectifier diode (133) by electric wire;
Described driver module (2) comprises surface-mounted integrated circuit (21) and power output end (22), described surface-mounted integrated circuit (21) is provided with switch gearing controller (211), supply power voltage (212) and ground wire node (213), the first resistance (142) is connected between described bridge rectifier module (13) and described supply power voltage (212), first electric capacity (143) and electrochemical capacitor group (144), described electrochemical capacitor group (144) comprises the first electrochemical capacitor (1441) and the second electrochemical capacitor (1442), described first electrochemical capacitor (1441) and described second electrochemical capacitor (1442) are connected in circuit, described ground wire node (213) ground connection, the second resistance (145) is connected between described bridge rectifier module (13) and described supply power voltage (212), be connected to the second inductance (146) between the output of described surface-mounted integrated circuit (21) and described power output end (22), 5th rectifier diode (147), 3rd resistance (148), 3rd electric capacity (149) and the 3rd electrochemical capacitor (140).
2. a kind of energy-saving LED drive circuit according to claim 1, it is characterized in that, also be provided with bi-directional voltage stabilizing pipe (151), the 4th electric capacity (152) and the 4th resistance (153) between described zero-power line input (11) and described power firestreak input (12), described bi-directional voltage stabilizing pipe (151), the 4th electric capacity (152) and the 4th resistance (153) are connected to described zero-power line input (11) and described power firestreak input (12).
3. a kind of energy-saving LED drive circuit according to claim 1, is characterized in that, is also provided with the second electric capacity (154) between described bridge rectifier module (13) and power output end (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490039.6U CN204859636U (en) | 2015-07-08 | 2015-07-08 | Energy -conserving LED drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490039.6U CN204859636U (en) | 2015-07-08 | 2015-07-08 | Energy -conserving LED drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859636U true CN204859636U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520490039.6U Expired - Fee Related CN204859636U (en) | 2015-07-08 | 2015-07-08 | Energy -conserving LED drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792431A (en) * | 2016-04-14 | 2016-07-20 | 成都恒稳光电科技有限公司 | Led lamp energy-saving power supply |
| CN106896861A (en) * | 2017-04-18 | 2017-06-27 | 深圳氢爱天下健康科技控股有限公司 | A kind of constant-current circuit and hydrogen-rich foot bath |
-
2015
- 2015-07-08 CN CN201520490039.6U patent/CN204859636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792431A (en) * | 2016-04-14 | 2016-07-20 | 成都恒稳光电科技有限公司 | Led lamp energy-saving power supply |
| CN106896861A (en) * | 2017-04-18 | 2017-06-27 | 深圳氢爱天下健康科技控股有限公司 | A kind of constant-current circuit and hydrogen-rich foot bath |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180708 |