CN202276517U - Simple light-emitting diode (LED) lighting circuit - Google Patents
Simple light-emitting diode (LED) lighting circuit Download PDFInfo
- Publication number
- CN202276517U CN202276517U CN2011203910744U CN201120391074U CN202276517U CN 202276517 U CN202276517 U CN 202276517U CN 2011203910744 U CN2011203910744 U CN 2011203910744U CN 201120391074 U CN201120391074 U CN 201120391074U CN 202276517 U CN202276517 U CN 202276517U
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- led
- circuit
- led light
- light fixture
- diode
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Abstract
The utility model discloses a simple light-emitting diode (LED) lighting circuit, which belongs to the field of LED lighting circuits; an LED lamp is arranged in the circuit; alternating current power supplies are connected into the LED lamp; a constant current diode is also connected into the circuit and is serially connected with the LED lamp among the alternating current power supplies; a rectifier diode is also arranged in the circuit; the rectifier diode is also serially connected with the LED lamp and the constant current diode; the LED lamp and both ends of the rectifier diode are also parallelly connected with an electrolytic capacitor; and the electrolytic capacitor, the LED lamp and the rectifier diode form a negative half-wave loop in the lighting circuit. A small number of elements can form the positive and negative half-wave loops in the lighting process of the LED lamp, so that an LED driving circuit with a large size is omitted, and the production cost is lower; and in addition, the simple LED lighting circuit has a simple structure, and is particularly applicable to LED lighting lamps with high voltage and low current.
Description
Technical field
The utility model relates to a kind of LED lighting circuit, a kind of simple and easy LED lighting circuit of saying so more specifically.
Background technology
LED light fixture normally drive circuit adds that great power LED inserts the composition lighting circuit and uses, and the power of single LEDs of traditional LED lighting is generally 1W, as supply voltage is reduced to 3.3V; Then electric current is 350MA; Because the LED industry constantly develops at present, has occurred the great power LED of high pressure low current on the market at present, promptly the rated voltage of single LEDs is 100V; Rated current is 20MA; Such LED will insert the situation that use in the lighting circuit needs to consider its positive and negative half-wave loop, could guarantee that LED continues the luminous illumination purpose that reaches, and mode commonly used at present is that the drive circuit of all kinds of resistance capacitance elements composition of employing complicacy is assisted; The manufacturing cost of high-power LED lamp is risen, also cause bigger difficulty to production.
The utility model content
The purpose of the utility model is to solve above-mentioned deficiency, and a kind of simple and easy LED lighting circuit that only adopts small number of circuit elements to form is provided.
For solving above-mentioned technical problem, the utility model adopts following technical scheme:
A kind of simple and easy LED lighting circuit that the utility model provided; The LED light fixture is set in the circuit; LED light fixture incoming transport power supply; Current regulator diode also forms between AC power in the place in circuit and with the LED light fixture and connects, and also comprises rectifier diode in the described circuit, and rectifier diode also forms with LED light fixture and current regulator diode and connects; The two ends of described LED light fixture and rectifier diode also are parallel with an electrochemical capacitor, and electrochemical capacitor and LED light fixture and rectifier diode form the negative half-wave loop in the lighting circuit.
Technical scheme further is: described LED light fixture is provided with two, and series connection inserts AC power respectively, and current regulator diode places between two LED light fixtures.
Technical scheme further is: described LED light fixture and current regulator diode and rectifier diode are formed the positive half wave loop of lighting circuit, and current regulator diode and electrochemical capacitor are formed another positive half wave loop of lighting circuit.
Compared with prior art; The beneficial effect of the utility model is: adopt a spot of element can form positive and negative half-wave loop required in the LED lamp lighting process; Save bulky led drive circuit; Production cost is lower, and a kind of simple and easy LED lighting circuit that the utility model provided is simple in structure, uses in the LED lighting that especially suits at high voltage low current.
Description of drawings
Fig. 1 is the circuit structure schematic block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to set forth.
A kind of simple and easy LED lighting circuit as shown in Figure 1, that the utility model provided is provided with the LED light fixture in the circuit; LED light fixture incoming transport power supply; Current regulator diode also forms between AC power in the place in circuit and with the LED light fixture and connects, and the LED light fixture in the circuit preferentially is set to two, and current regulator diode is placed between them; Also comprise rectifier diode in the described circuit; Rectifier diode also forms with LED light fixture and current regulator diode and connects, and the two ends of described LED light fixture and rectifier diode also are parallel with an electrochemical capacitor, and electrochemical capacitor and LED light fixture and rectifier diode form the negative half-wave loop in the lighting circuit; Described LED light fixture and current regulator diode and rectifier diode are formed the positive half wave loop of lighting circuit, and current regulator diode and electrochemical capacitor are formed another positive half wave loop of lighting circuit.
With circuit incoming transport electricity, when the LED light fixture positive half wave in the circuit is worked, two loops are arranged; One is the electrochemical capacitor charge circuit; The electrochemical capacitor energy storage of charging this moment, and another loop is the LED current circuit, and LED light fixture rated voltage is 110V in the circuit; Rated current is the high pressure low current light-emitting diode of 20MA, and current constant that will be through the LED light fixture under the effect of the current regulator diode of in circuit, connecting is at 20MA.When the negative half-wave work of the LED light fixture in the circuit, under the effect of rectifier diode, electric current can adverse current; Therefore LED light fixture and electrochemical capacitor are damaged; At this moment, the electric energy that is stored in the electrochemical capacitor discharges through the negative half-wave loop in the lighting circuit, is LED electric energy supplement when bearing half-wave; This moment, current regulator diode still played a part constant LED electric current; Therefore the continual work of LED light fixture in positive and negative half-wave, electrochemical capacitor and the function that has substituted led drive circuit cooperating of current regulator diode and rectifier diode are realized low-cost illumination.
Claims (3)
1. simple and easy LED lighting circuit; The LED light fixture is set in the circuit; LED light fixture incoming transport power supply; Current regulator diode also forms between AC power in the place in circuit and with the LED light fixture and connects, and it is characterized in that: also comprise rectifier diode in the described circuit, rectifier diode also forms with LED light fixture and current regulator diode and connects; The two ends of described LED light fixture and rectifier diode also are parallel with an electrochemical capacitor, and electrochemical capacitor and LED light fixture and rectifier diode form the negative half-wave loop in the lighting circuit.
2. simple and easy LED lighting circuit according to claim 1 is characterized in that: described LED light fixture is provided with two, and series connection inserts AC power respectively, and current regulator diode places between two LED light fixtures.
3. simple and easy LED lighting circuit according to claim 1; It is characterized in that: described LED light fixture and current regulator diode and rectifier diode are formed the positive half wave loop of lighting circuit, and current regulator diode and electrochemical capacitor are formed another positive half wave loop of lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203910744U CN202276517U (en) | 2011-10-14 | 2011-10-14 | Simple light-emitting diode (LED) lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203910744U CN202276517U (en) | 2011-10-14 | 2011-10-14 | Simple light-emitting diode (LED) lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276517U true CN202276517U (en) | 2012-06-13 |
Family
ID=46196848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203910744U Expired - Fee Related CN202276517U (en) | 2011-10-14 | 2011-10-14 | Simple light-emitting diode (LED) lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276517U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596323A (en) * | 2012-08-17 | 2014-02-19 | 福建百达光电有限公司 | LED energy saving lamp integrated module |
| CN103687220A (en) * | 2013-12-02 | 2014-03-26 | 广西玖典电子新材料有限公司 | Solar power LED lamp |
| CN105491721A (en) * | 2015-12-31 | 2016-04-13 | 吴文武 | Wide-adaptability LED full-voltage drive circuit |
-
2011
- 2011-10-14 CN CN2011203910744U patent/CN202276517U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596323A (en) * | 2012-08-17 | 2014-02-19 | 福建百达光电有限公司 | LED energy saving lamp integrated module |
| CN103687220A (en) * | 2013-12-02 | 2014-03-26 | 广西玖典电子新材料有限公司 | Solar power LED lamp |
| CN105491721A (en) * | 2015-12-31 | 2016-04-13 | 吴文武 | Wide-adaptability LED full-voltage drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20121014 |