CN203963654U - A kind of seven synchronous color LED lamp strings of power pulse that utilize - Google Patents
A kind of seven synchronous color LED lamp strings of power pulse that utilize Download PDFInfo
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- CN203963654U CN203963654U CN201420364028.9U CN201420364028U CN203963654U CN 203963654 U CN203963654 U CN 203963654U CN 201420364028 U CN201420364028 U CN 201420364028U CN 203963654 U CN203963654 U CN 203963654U
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Abstract
The utility model relates to a kind of seven synchronous color LED lamp strings of power pulse that utilize; This lamp string comprises at least two LED lamp two ends at a dc source each other in series or parallel, each LED lamp is electrically connected to seven color Synchronization Control IC by a red-light LED, a green light LED and a blue-ray LED and forms, also at described DC power supply terminal, load the fixing negative narrow pulse signal of a frequency, this negative narrow pulse signal is exported to seven described color Synchronization Control IC by dc source, realizes the Synchronization Control between each seven color Synchronization Control IC; Serial or parallel connection arbitrarily between LED lamp of the present utility model, and quantity do not limit, and each LED lamp externally only has 2 lines, convenient for production, saves wire rod, with low cost.
Description
Technical field
The utility model relates to a kind of seven synchronous color LED lamp strings of power pulse that utilize.
Background technology
LED string light module can be divided into tandem and parallel two kinds of connected modes haply at present, and the LED string light module of these two kinds of modes is also extensively used in building outward appearance, trees, signboard and makes on scenery by user, to increase respectively outward appearance U.S. of this things.
And at known in-line LED string light module, that the LED string light module of organizing is connected in series more, and the series connection quantity of LED string light module is to determine according to the object volume size of coiling, and by the controller of first LED string light module, the LED light lamp group of all LED string light modules is controlled after series connection.
In addition, at parallel LED string light module, be that the LED string light module of organizing and this controller are connected in parallel more, each LED string light module will have a control line and addressed line to control.If during the LED string light module of 10 groups in parallel, this controller just must utilize 10 control lines and 10 addressed line to control 10 groups of LED string light modules.
No matter yet be tandem or parallel connected mode, all need to use most power lines or holding wire, reach the object that makes LED string light module variations in light.Control line and addressed line are many, cause the complexity of circuit, be difficult for making, and cost are high.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of seven synchronous color LED lamp strings of power pulse that utilize, serial or parallel connection arbitrarily between LED lamp, and quantity is not limit; Each LED lamp externally only has 2 lines, convenient for production, saves wire rod, with low cost.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of seven synchronous color LED lamp strings of power pulse that utilize, comprise at least two LED lamps at a direct current both ends of power each other in series or parallel, each LED lamp is electrically connected to seven color Synchronization Control IC by a red-light LED, a green light LED and a blue-ray LED and forms, described DC power supply terminal also loads the fixing negative narrow pulse signal of a frequency, and this negative narrow pulse signal is exported to described seven color Synchronization Control IC by dc source.
Further, described seven color Synchronization Control IC comprise outside reference frequency detecting unit, logic control element, style storage element, PWM gray scale generation unit, constant current and PWM output unit, this outside reference frequency detecting unit is electrically connected to logic control element and power end, logic control element is electrically connected to style storage element and PWM gray scale generation unit, PWM gray scale generation unit is electrically connected to constant current and PWM output unit, constant current and PWM output unit are electrically connected to red-light LED, green light LED and blue-ray LED, this outside reference frequency detecting unit detects the benchmark trailing edge pulse signal of DC power supply terminal, proofread and correct the sequential of seven color Synchronization Control IC inside, and export to logic control element, logic control element calls the inside ROM style program of style storage element and exports to PWM gray scale generation unit, it is luminous that PWM gray scale generation unit is controlled each LED by constant current and PWM output unit, benchmark trailing edge pulse signal by detecting external power source end is as correction, conformity error and cumulative errors between seven color Synchronization Control IC have been eliminated, make to keep in full accord after all control IC energisings, also can be asynchronous because of permanent generation of time, final realization is respectively controlled the synchronous style constant current of IC and is controlled.
Further, produce the minimum voltage of negative narrow pulse signal higher than the supply voltage of seven color Synchronization Control IC.
Further, produce pulse amplitude poor, the voltage of dc source deducts the amplitude of low level pulse signal, higher than the minimum operating voltage of seven color Synchronization Control IC.
Serial or parallel connection arbitrarily between LED lamp of the present utility model, and quantity is not limit; Each LED lamp externally only has 2 lines, convenient for production, saves wire rod, with low cost.
Accompanying drawing explanation
Fig. 1 is a kind of connection diagram of utilizing seven synchronous color LED lamp strings of power pulse of the utility model;
Fig. 2 is a kind of control principle drawing that utilizes seven synchronous color LED lamp strings of power pulse of the utility model;
Fig. 3 is a kind of negative narrow pulse signal loaded circuit figure that utilizes seven synchronous color LED lamp strings of power pulse of the utility model.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, a kind of preferred forms of utilizing seven synchronous color LED lamp strings of power pulse of the utility model is described.
A kind of seven synchronous color LED lamp strings of power pulse that utilize, comprise at least two LED lamp two ends at a dc source each other in series or parallel, each LED lamp is by a red-light LED, a green light LED and a blue-ray LED are electrically connected to seven color Synchronization Control IC and form, described DC power supply terminal also loads the fixing negative narrow pulse signal of a frequency, this negative narrow pulse signal is exported to described seven color Synchronization Control IC by dc source, described seven color Synchronization Control IC comprise outside reference frequency detecting unit, logic control element, style storage element, PWM gray scale generation unit, constant current and PWM output unit, this outside reference frequency detecting unit is electrically connected to logic control element and power end, logic control element is electrically connected to style storage element and PWM gray scale generation unit, PWM gray scale generation unit is electrically connected to constant current and PWM output unit, constant current and PWM output unit are electrically connected to red-light LED, green light LED and blue-ray LED, this outside reference frequency detecting unit detects the benchmark trailing edge pulse signal of DC power supply terminal, proofread and correct the sequential of seven color Synchronization Control IC inside, and export to logic control element, logic control element calls the inside ROM style program of style storage element and exports to PWM gray scale generation unit, it is luminous that PWM gray scale generation unit is controlled each LED by constant current and PWM output unit, by detecting the benchmark trailing edge pulse signal of external power source end, proofread and correct the sequential of seven color Synchronization Control IC inside, conformity error and cumulative errors between seven color Synchronization Control IC have been eliminated, make to keep in full accord after all control IC energisings, also can be asynchronous because of permanent generation of time, final realization is respectively controlled the synchronous style constant current of IC and is controlled.
In the utility model, DC power supply terminal add load with the minimum voltage of narrow pulse signal should be higher than the supply voltage of control module.As Fig. 1, if now there be n control module series connection, when control module is normally worked, voltage is VCC, now the minimum voltage of negative narrow pulse signal should be higher than n*VCC, if there are now 10 control module series connection, the voltage of the normal work of each control module is 5V, and the minimum voltage of the negative narrow pulse signal now producing should be higher than 10x5=50V.
In the utility model, the pulse amplitude of generation is poor, and direct current supply voltage deducts the amplitude of low level pulse signal, must guarantee higher than the minimum operating voltage requirement of controlling IC in light fixture.
The beneficial effects of the utility model are: serial or parallel connection arbitrarily between LED lamp, and quantity is not limit; Each LED lamp externally only has 2 lines, convenient for production, saves wire rod, with low cost.
Fig. 3 realizes adding at DC power supply terminal a kind of basic circuit of loading with narrow pulse signal, and the utility model can also adopt other different circuit to load required negative narrow pulse signal.
The above, be only the specific embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (4)
1. one kind is utilized seven synchronous color LED lamp strings of power pulse, comprise at least two each other in series or parallel at the LED at dc source two ends lamp, each LED lamp is electrically connected to seven color Synchronization Control IC by a red-light LED, a green light LED and a blue-ray LED and forms, it is characterized in that, described DC power supply terminal loads the fixing negative narrow pulse signal of a frequency, and described negative narrow pulse signal is exported to seven described color Synchronization Control IC by dc source.
2. seven color LED lamp strings according to claim 1, it is characterized in that, described seven color Synchronization Control IC comprise outside reference frequency detecting unit, logic control element, style storage element, PWM gray scale generation unit, constant current and PWM output unit, described outside reference frequency detecting unit andlogic control unit, power end is electrically connected to, described logic control element and style storage element, PWM gray scale generation unit is electrically connected to, described PWM gray scale generation unit is electrically connected to constant current and PWM output unit, red-light LED in described constant current and PWM output unit and described LED lamp, green light LED and blue-ray LED are electrically connected to, described outside reference frequency detecting unit is by detecting the benchmark trailing edge pulse signal of DC power supply terminal, be used for proofreading and correct the inner sequential of described seven color Synchronization Control IC, and export to described logic control element, described logic control element calls the inside ROM style program of described style storage element and exports to described PWM gray scale generation unit, and the LED that described PWM gray scale generation unit is controlled in LED lamp by described constant current and PWM output unit is luminous.
3. seven color LED lamp strings according to claim 1 and 2, is characterized in that, produce the minimum voltage of described negative narrow pulse signal higher than the supply voltage of described seven color Synchronization Control IC.
4. seven color LED lamp strings according to claim 1 and 2, is characterized in that, the voltage of described dc source deducts the amplitude of low level pulse signal, higher than the minimum operating voltage of described seven color Synchronization Control IC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364028.9U CN203963654U (en) | 2014-07-02 | 2014-07-02 | A kind of seven synchronous color LED lamp strings of power pulse that utilize |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364028.9U CN203963654U (en) | 2014-07-02 | 2014-07-02 | A kind of seven synchronous color LED lamp strings of power pulse that utilize |
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| Publication Number | Publication Date |
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| CN203963654U true CN203963654U (en) | 2014-11-26 |
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| CN201420364028.9U Expired - Fee Related CN203963654U (en) | 2014-07-02 | 2014-07-02 | A kind of seven synchronous color LED lamp strings of power pulse that utilize |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107105544A (en) * | 2017-05-08 | 2017-08-29 | 陈定霞 | A kind of high pressure full-color lamp bar circuit |
| CN107166203A (en) * | 2016-03-04 | 2017-09-15 | 保利集团澳门有限公司 | Variable multicolor LED lamps string and controller for artificial tree |
| CN108770123A (en) * | 2018-06-15 | 2018-11-06 | 东莞市华彩威电子有限公司 | A kind of control method of full-color LED lamp band |
| CN109027733A (en) * | 2018-09-27 | 2018-12-18 | 东莞市华彩威电子有限公司 | The LED light source implementation method and the LED light source structure in this method of a kind of transparent display screen |
-
2014
- 2014-07-02 CN CN201420364028.9U patent/CN203963654U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166203A (en) * | 2016-03-04 | 2017-09-15 | 保利集团澳门有限公司 | Variable multicolor LED lamps string and controller for artificial tree |
| CN107105544A (en) * | 2017-05-08 | 2017-08-29 | 陈定霞 | A kind of high pressure full-color lamp bar circuit |
| CN107105544B (en) * | 2017-05-08 | 2018-12-11 | 陈定霞 | A kind of full-color lamp bar circuit |
| CN108770123A (en) * | 2018-06-15 | 2018-11-06 | 东莞市华彩威电子有限公司 | A kind of control method of full-color LED lamp band |
| CN109027733A (en) * | 2018-09-27 | 2018-12-18 | 东莞市华彩威电子有限公司 | The LED light source implementation method and the LED light source structure in this method of a kind of transparent display screen |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20141126 Termination date: 20150702 |
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| EXPY | Termination of patent right or utility model |