CN200966168Y - A LED light source - Google Patents
A LED light source Download PDFInfo
- Publication number
- CN200966168Y CN200966168Y CN200620065065.5U CN200620065065U CN200966168Y CN 200966168 Y CN200966168 Y CN 200966168Y CN 200620065065 U CN200620065065 U CN 200620065065U CN 200966168 Y CN200966168 Y CN 200966168Y
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Abstract
The utility model discloses an LED light source, comprising a controlling module and more than one lamp panel modules. The controlling module is composed of a control circuit and a transfer circuit of signal and voltage; the lamp panel module comprises a shift register and an emitting diode; the output of the control circuit is connected with the transfer circuit of signal and voltage; the signal voltage of the control circuit is increased by the transfer circuit of signal and voltage and is sent to the shift register by the transfer circuit of signal and voltage; the shift register acts as a transfer device and drives the emitting diode which is connected with the shift register to run. The utility model can directly apply the voltage of the source to simplify the circuit structure, and the signal can not be weakened even the voltage is low. Therefore, the utility model has the advantages of simple structure and excellent decorative effect.
Description
Technical field
The utility model relates to a kind of decorative lamp, particularly a kind of led light source.
Background technology
At present, has the led light source of the effects such as band flicker of a plurality of light-emitting diodes, as shown in Figure 1, the problem that this product exists is its shift LD chip, normally with 5V power supply, circuit structure complexity, signal voltage is on the low side, causes signal weak very fast in transmission course.And deposit chip power and have only 5V, can not drive more light-emitting diode, isolate conducting with triode and could drive a plurality of light-emitting diodes.Simultaneously, because the components and parts of product are too much, the power supply power consumption that product produced is excessive, and energy resource consumption is big, is unfavorable for economizing on resources.In addition, the effect of its demonstration is single, is difficult to cause changeable effect.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides the led light source of a kind of simple in structure, little power consumption, good decorating effect.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of led light source, it is characterized in that: comprise control module and more than one lamp plate module, control module comprises control circuit and signal voltage transitions circuit, the lamp plate module comprises shift register and light-emitting diode, the output of control circuit connects the signal voltage transitions circuit, the output signal voltage of control circuit raises by the signal voltage transitions circuit, and export the shift register of lamp plate module to by the signal voltage transitions circuit, play the reprinting effect by shift register, drive the light-emitting diode work that is attached thereto.
The beneficial effects of the utility model are: the output signal of this led light source control circuit raises by the signal voltage transitions circuit, can directly carry out work with power source voltage, make circuit structure simple and clear, and signal can not cause weak because of brownout yet, and structure is simpler, decorative effect is better.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of product in the past;
Fig. 2 is a structural principle block diagram of the present utility model;
Fig. 3 is the enforcement circuit diagram of control module of the present utility model;
Fig. 4 is the enforcement circuit diagram of lamp plate module of the present utility model.
Embodiment
With reference to Fig. 2, a kind of led light source, comprise control module and more than one lamp plate module, wherein, control module comprises control circuit and signal voltage transitions circuit, the lamp plate module comprises shift register and light-emitting diode, the output of control circuit connects the signal voltage transitions circuit, the output signal voltage of control circuit raises by the signal voltage transitions circuit, and export the shift register of lamp plate module to by the signal voltage transitions circuit, play the reprinting effect by shift register, drive the light-emitting diode work that is attached thereto.Wherein, each lamp plate module includes a plurality of light-emitting diodes.
Wherein, with reference to Fig. 3, Fig. 4, described control circuit comprises control signal integrated package U2, the signal voltage transitions circuit comprises integrated package U3, shift register comprises integrated package U4, this control signal integrated package U2 is provided with data-signal output DAT, clock signal output terminal CLK and latch signal output STB, the signal voltage transitions circuit is provided with corresponding signal input part, and has the data-signal output equally, clock signal output terminal is connected with the corresponding port of shift register with the latch signal output, and the output of shift register is connected to light-emitting diode group.The output of shift register directly is connected with the light-emitting diode of series connection by the step-down leakage resistance, and as shown in Figure 4, output 5～11 pin of shift register are connected to light-emitting diode group by step-down leakage resistance R20～R70.
Wherein, the output signal voltage of described control circuit can be increased to more than the 12V by 5V by the signal voltage transitions circuit.As preferred implementation, the output signal voltage of described control circuit is increased between 12V～25V by 5V by the signal voltage transitions circuit.
In conjunction with Fig. 2～Fig. 4, the course of work of the utility model embodiment is as follows: signal voltage transitions is by integrated package U3, resistance R 6, R7, R8, R9 realizes, signal is by 2 of integrated package U2,3, the output of 6 pin, its voltage is 5V, by 1 of integrated package U3,3,5 pin are changed by 2 of integrated package U3 through the amplification of internal integrated circuit, 4, the output of 6 pin, by resistance R 6, R7, R8, R9 in addition voltage is auxiliary, as the purpose that reaches signal voltage transitions, and since the operating voltage of light-emitting diode at 2V～3V, with 3 LED series connection is example, its operating voltage is 9V, be carried out the operating voltage of 12V as shift register U4, its output pin also has between 11V～12V so, by the change of step-down leakage resistance, reach the required operating voltage of LED, directly the supply voltage with shift register U4 comes work, make circuit structure simple and clear, signal can not cause weak because voltage reduces.Compare with product in the past, can satisfy the long-distance transmissions of signal, and can save triode and pull-up resistor, a large amount of required components and parts of product that reduce, circuit structure is simplified, power consumption reduces, simultaneously owing to can carry out modularized design, and moulding and expression effect that can arbitrary change product.
Certainly, the utility model is except the foregoing description, and other equivalent technical solutions also should be within the protection range of the invention.
Claims (6)
1. led light source, it is characterized in that: comprise control module and more than one lamp plate module, control module comprises control circuit and signal voltage transitions circuit, the lamp plate module comprises shift register and light-emitting diode, the output of control circuit connects the signal voltage transitions circuit, the output signal voltage of control circuit raises by the signal voltage transitions circuit, and export the shift register of lamp plate module to by the signal voltage transitions circuit, play the reprinting effect by shift register, drive the light-emitting diode work that is attached thereto.
2. a kind of led light source according to claim 1, it is characterized in that: described control circuit comprises the control signal integrated package, this control signal integrated package is provided with data-signal output, clock signal output terminal and latch signal output, the signal voltage transitions circuit is provided with corresponding signal input part, and has data-signal output, clock signal output terminal and latch signal output equally and be connected with shift register.
3. according to claim 1 or 2 described a kind of led light sources, it is characterized in that: the output signal voltage of described control circuit is increased to more than the 12V by 5V by the signal voltage transitions circuit.
4. a kind of led light source according to claim 3 is characterized in that: the output signal voltage of described control circuit is increased to 12V～25V by the signal voltage transitions circuit by 5V.
5. a kind of led light source according to claim 1 is characterized in that: the output of described shift register directly is connected with the light-emitting diode of series connection by the step-down leakage resistance.
6. a kind of led light source according to claim 1 is characterized in that: each lamp plate module includes a plurality of light-emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620065065.5U CN200966168Y (en) | 2006-09-29 | 2006-09-29 | A LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620065065.5U CN200966168Y (en) | 2006-09-29 | 2006-09-29 | A LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200966168Y true CN200966168Y (en) | 2007-10-24 |
Family
ID=38870188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620065065.5U Expired - Fee Related CN200966168Y (en) | 2006-09-29 | 2006-09-29 | A LED light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200966168Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155445B (en) * | 2006-09-29 | 2010-10-06 | 王国栋 | LED light source |
-
2006
- 2006-09-29 CN CN200620065065.5U patent/CN200966168Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155445B (en) * | 2006-09-29 | 2010-10-06 | 王国栋 | LED light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |