CN107041034A - A kind of LED strip lamp - Google Patents
A kind of LED strip lamp Download PDFInfo
- Publication number
- CN107041034A CN107041034A CN201710278966.5A CN201710278966A CN107041034A CN 107041034 A CN107041034 A CN 107041034A CN 201710278966 A CN201710278966 A CN 201710278966A CN 107041034 A CN107041034 A CN 107041034A
- Authority
- CN
- China
- Prior art keywords
- led
- strip lamp
- output end
- control signal
- led light
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The embodiments of the invention provide a kind of LED strip lamp, including power supply circuit, control circuit and multiple LED light groups being sequentially connected in series.Power supply circuit is used for the direct current that predeterminated voltage is exported using AC energy；Control circuit is connected with the electric energy output end of power supply circuit, and is provided with the output end for exporting direct current and default control signal, and output end includes output head anode and negative pole of output end；LED light group includes driving chip, a voltage-regulator diode and multiple color LEDs, and driving chip is provided with multiple drive ends that the quantity of power end, earth terminal and quantity and color LED matches；The negative pole for stating voltage-regulator diode is connected with power end, positive pole is connected with earth terminal；Drive end is connected with color LED respectively；Driving chip is used to drive multiple color LEDs to light or extinguish according to control signal.Because any of which LED light group is only connected by the voltage-regulator diode of other lamp groups with control circuit, therefore solve the problem of traditional LED strip lamp reliability is relatively low.
Description
Technical field
The present invention relates to lighting technology field, more particularly to a kind of LED strip lamp.
Background technology
Festive lantern is initiated by a kind of Traditional Folk handicraft of China, in ancient times, and its main function is illumination, by paper or
Thin,tough silk is as the crust of lantern, and skeleton is usually using bamboo or batten making, and candle or bulb are put in centre, as illuminations.
Influenceed by Chinese culture, in Asia in Chinese area, many national temples, festive lantern is also fairly common article.It fulfills refreshing
Joy people, the function of existing " a kind of Anhui provincial drama featuring masked dancing " reward god has the value of joy people's amusement again, and modern society is more than the suspension of the red-letter days such as the Spring Festival, Lantern Festival,
Added lustre day for happy festival time happiness, earnestly hope safety.
With the development of science and technology, traditional festive lantern have changed into one kind integrate machinery, electronics, automatic control technology
Synthesis, wherein, the LED strip lamp that is combined into by power supply and LED is because easy for installation, safety, flicker style be numerous, section
The benefits such as energy, which have substituted festive lantern, turns into the conventional decorative lamp of house or public place of entertainment.At present, because drive required for LED
Dynamic voltage is relatively low, generally 3 volts or so, and the voltage of power supply is higher, and therefore, LED strip lamp typically uses cascaded structure.This
Once one of LED's LED strip lamp of kind of cascaded structure breaks down, may result in whole string LED strip lamp can not normal work, can
It is relatively low by property.
The content of the invention
In view of this, the present invention provides a kind of LED strip lamp, to solve the problem of traditional LED strip lamp reliability is relatively low.
To achieve these goals, the invention discloses a kind of LED strip lamp, including power supply circuit, control circuit and multiple
The LED light group being connected in series, wherein：
The power supply circuit is used for the AC energy for receiving electricity network output, and default using AC energy output
The direct current of voltage；
The control circuit is connected with the electric energy output end of the power supply circuit, and is provided with for exporting the direct current
The output end of electric and default control signal, the output end includes output head anode and negative pole of output end；
The LED light group includes driving chip, a voltage-regulator diode and multiple color LEDs, and the driving chip is set
Multiple drive ends that the quantity for having power end, earth terminal and quantity and the color LED matches；
The negative pole for stating voltage-regulator diode is connected with the power end, positive pole is connected with the earth terminal；
The drive end is connected with the color LED respectively；
The driving chip is used to drive the multiple color LED to light or extinguish according to the control signal.
Optionally, the positive pole of the color LED is connected with the power end, negative pole is connected with corresponding drive end；
Each drive end is used to be in low level or high electricity according to the control law that the control signal matches
It is flat；
In the multiple LED light group the power end of first LED light group be connected with the output head anode, last
The earth terminal of LED light group is connected with the negative pole of output end, and the power end of other LED light groups is negative with previous LED light group
Pole is connected, earth terminal is connected with the power end of latter LED light group.
Optionally, the multiple color LED includes red LED, blue led and green LED.
Optionally, the red LED, the blue led and the green LED are located in a packaging body.
Optionally, the multiple color LED also includes warm white LED.
Optionally, the quantity of the LED light group is any number in 2~35 or 2~63, and including multiple in parallel
Series LED lamp group.
Optionally, if the LED light group uses the way of parallel connection how individual for 1-N according to big smallest number of powering.
Optionally, the LED light group uses with common LED (warm white/red green/yellow blue/purple etc.) serial or parallel connection
Optionally, the control circuit includes DCTD control circuits, wherein：
The DCTD controls circuit is used to generate and exports the control signal to the output end.
Optionally, the control signal is slotted impulse signal.
Optionally, the driving chip includes DCTD decoding circuits, wherein：
The DCTD decoding circuits are used to the control signal is decrypted, generation and the control law.
Be can be seen that from upper technical scheme the invention provides a kind of LED strip lamp, including power supply circuit, control circuit and
Multiple LED light groups being sequentially connected in series.Power supply circuit is used for the AC energy for receiving electricity network output, and utilizes alternating current
The direct current of predeterminated voltage can be exported；Control circuit is connected with the electric energy output end of power supply circuit, and is provided with for exporting
The output end of direct current and default control signal, output end includes output head anode and negative pole of output end；LED light group includes driving
Dynamic chip, a voltage-regulator diode and multiple color LEDs, driving chip are provided with power end, earth terminal and quantity and color LED
Multiple drive ends for matching of quantity；The negative pole for stating voltage-regulator diode is connected with power end, positive pole is connected with earth terminal；
Drive end is connected with color LED respectively；Driving chip is used to drive multiple color LEDs to light or extinguish according to control signal.
Because any of which LED light group is only connected by the voltage-regulator diode of other lamp groups with control circuit, therefore in other lamps
The driving chip or color LED of group can be worked as usual when breaking down, that is to say, that the failure of part lamp group is not interfered with
Other lamp group normal works, the reliability compared to traditional LED strip lamp wants high many, so that it is reliable to solve traditional LED strip lamp
The problem of property is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of circuit structure diagram for LED strip lamp embodiment that Fig. 1 provides for the present invention；
A kind of circuit structure diagram for LED light group that Fig. 2 provides for the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of circuit structure diagram for LED strip lamp embodiment that Fig. 1 provides for the present invention.
Shown in reference picture 1, the LED strip lamp that the present embodiment is provided includes power supply circuit 10, the control circuit 20 being sequentially connected
With multiple LED light groups being connected in series.
Power supply circuit is used to receive AC energy from electricity network, the voltage of the AC energy with countries and regions difference
And it is different, the supply voltage of the general single-phase electricity of China is 220 volts, and European then lies prostrate for 220V-240, and the U.S. is then 120
Volt.Rectification and transformation are carried out after above-mentioned AC energy is received, the direct current of predeterminated voltage is obtained, the voltage of the direct current can
Determine that the driving piezoelectric voltage of LED light group is generally 3.5 volts, therefore, it can root with the quantity of the LED light group driven as needed
30 volts, 110 volts, 120 volts or 220 direct currents are exported according to the quantity of lamp group.In the present embodiment by taking 30 volts of direct currents as an example other side
Case is specifically described.
Control circuit is connected with the electric energy output end of power supply circuit, specifically, and the control circuit is inputted including computer
End and output end, electrical energy inputs are connected with the electric energy output end of power supply circuit, the direct current for receiving above-mentioned predeterminated voltage
Electricity, the output end includes positive pole and negative pole, and for convenience of description, the positive pole is depicted here as output head anode 21, and the negative pole is then
It is described as negative pole of output end 22；The output end is used to export direct current and control signal, the control signal to the LED light group of series connection
For controlling the color LED of LED light group to be flashed by default rule.
LED light group includes driving chip 35, a voltage-regulator diode D and multiple color LEDs, and driving chip is provided with power supply
Vdd, earth terminal Vss and multiple drive ends are held, as shown in Figure 2.The power end of driving chip passes through voltage-regulator diode with earth terminal
Pressure difference is formed, the pressure difference is as the driving voltage of driving chip, i.e. the earth terminal is not directly grounded actually.Specific connection side
Formula is that power end is connected with the negative pole of voltage-regulator diode, and earth terminal is then connected with the positive pole of voltage-regulator diode.
In multiple color LEDs the positive pole of each color LED be connected with power end, negative pole then with phase in multiple drive ends
The drive end answered is connected.When some drive end is low level, the color LED being connected with the drive end can be then lit.
When multiple drive ends are in high level or low level, and when being switched between low and high level, Duo Gecai according to certain rules
Color LED will form flicker effect.
In the present embodiment, multiple color LEDs are respectively red LED d1, blue led d2 and green LED d3, accordingly
Drive end be respectively red drive end 31, blue drive end 32 and green drive end 33, when respective drive end is low level,
The color LED of drive end connection is then lit.In order to reduce volume, above-mentioned red LED, blue led and green LED can be sealed
In a packaging body.
In addition, also including a warm white LED d4 in the present embodiment in multiple color LEDs, its corresponding drive end is warm
White drive end 34, so as to can occur warm white colored lights in the colour lamplight of flicker, compared to traditional LED strip lamp, this is warmed up
The addition of white can make audience obtain more preferable appreciation effect.
The quantity of above-mentioned LED light group can determine according to the voltage of direct current, due to electric main be generally 110 volts, 120
Lie prostrate or 220 volts, therefore the quantity of the lamp group can be any number in 2~35, can also be any in 2~63
Numerical value, can be with the identical parallel connection of N multiple series series lamp group numbers according to output power size.
The power end of first lamp group in multiple LED light groups is connected with the output head anode of control circuit, last
The earth terminal of individual lamp group is then connected with the negative pole of output end for controlling circuit；In other lamp groups, the power end of corresponding lamp group with
The earth terminal of previous lamp group is connected, power end of the earth terminal then with latter lamp group is connected.I.e. all LED light groups are by upper
State that mode is from beginning to end, and final be connected with head with the output head anode of control circuit, with tail and the output end for controlling circuit
Negative pole is connected.
Above-mentioned control circuit includes DCTD ((DC wire Transmit Data, AC line transmission data) control electricity
Road, DCTD controls circuit can send the control being made up of slotted impulse signal according to default program to the LED light group of series connection
Signal processed；Driving chip in LED light group includes DCTD decoding circuits, and the decoding circuit can be decoded control signal,
Generation controls corresponding drive end to enter low level or height with control signal to the control law matched, and according to the control law
Level.
After LED light group receives the direct current and control signal of control circuit output, you can according to the control signal control
Make corresponding color LED to light or extinguish, so as to reach the purpose of color light flashing.
It can be seen from the above technical proposal that a kind of LED strip lamp is present embodiments provided, including power supply circuit, control electricity
Road and multiple LED light groups being sequentially connected in series.Power supply circuit is used for the AC energy for receiving electricity network output, and utilizes friendship
Flow the direct current that electric energy exports predeterminated voltage；Control circuit is connected with the electric energy output end of power supply circuit, and is provided with and is used for
The output end of direct current and default control signal is exported, output end includes output head anode and negative pole of output end；LED light group bag
Driving chip, a voltage-regulator diode and multiple color LEDs are included, driving chip is provided with power end, earth terminal and quantity and coloured silk
Multiple drive ends that color LED quantity matches；The negative pole for stating voltage-regulator diode is connected with power end, positive pole and earth terminal phase
Connection；Drive end is connected with color LED respectively；Driving chip be used for according to control signal drive multiple color LEDs light or
Extinguish.Because any of which LED light group is only connected by the voltage-regulator diode of other lamp groups with control circuit, therefore at it
The driving chip or color LED of his lamp group can work as usual when breaking down, that is to say, that the failure of part lamp group will not
Other lamp group normal works are influenceed, the reliability compared to traditional LED strip lamp wants high many, so as to solve traditional LED strip lamp
The problem of reliability is relatively low.
In addition, only needing an electric wire connection from the overall topology of circuit, between lamp group, no longer need
Signal wire is wanted to transmit the control signal for controlling color LED to enter line flicker, therefore, it is possible to save manufacturing cost, and because circuit
Structure simple and further increase overall reliability.
Further, by warm white LED addition, user can be made to obtain preferably appreciating effect.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (9)
1. a kind of LED strip lamp, it is characterised in that including power supply circuit, control circuit and multiple LEDs being sequentially connected in series
Group, wherein：
The power supply circuit is used for the AC energy for receiving electricity network output, and exports predeterminated voltage using the AC energy
Direct current；
It is described control circuit be connected with the electric energy output end of the power supply circuit, and be provided with for export the direct current with
The output end of default control signal, the output end includes output head anode and negative pole of output end；
The LED light group includes driving chip, a voltage-regulator diode and multiple color LEDs, and the driving chip is provided with electricity
Multiple drive ends that source, earth terminal and quantity and the quantity of the color LED match；
The negative pole for stating voltage-regulator diode is connected with the power end, positive pole is connected with the earth terminal；
The drive end is connected with the color LED respectively；
The driving chip is used to drive the multiple color LED to light or extinguish according to the control signal.
2. LED strip lamp as claimed in claim 1, it is characterised in that the positive pole of the color LED is connected with the power end
Connect, negative pole is connected with corresponding drive end；
Each drive end is used to be in low level or high level according to the control law that the control signal matches；
In the multiple LED light group the power end of first LED light group be connected with the output head anode, last LED
The earth terminal of lamp group is connected with the negative pole of output end, the power end of other LED light groups and the negative pole phase of previous LED light group
Connection, earth terminal are connected with the power end of latter LED light group.
3. LED strip lamp as claimed in claim 1, it is characterised in that the multiple color LED includes red LED, blue led
And green LED.
4. LED strip lamp as claimed in claim 3, it is characterised in that the red LED, the blue led and the green
LED is located in a packaging body.
5. LED strip lamp as claimed in claim 3, it is characterised in that the multiple color LED also includes warm white LED.
6. LED strip lamp as claimed in claim 1, it is characterised in that the quantity of the LED light group is in 2~35 or 2~63
Any number, and including multiple series LED lamp groups in parallel.
7. LED strip lamp as claimed in claim 1, it is characterised in that the control circuit includes DCTD and controls circuit, wherein：
The DCTD controls circuit is used to generate and exports the control signal to the output end.
8. LED strip lamp as claimed in claim 7, it is characterised in that the control signal is slotted impulse signal.
9. LED strip lamp as claimed in claim 7, it is characterised in that the driving chip includes DCTD decoding circuits, wherein：
The DCTD decoding circuits are used to the control signal is decrypted, generation and the control law.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278966.5A CN107041034A (en) | 2017-04-25 | 2017-04-25 | A kind of LED strip lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278966.5A CN107041034A (en) | 2017-04-25 | 2017-04-25 | A kind of LED strip lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107041034A true CN107041034A (en) | 2017-08-11 |
Family
ID=59536738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278966.5A Pending CN107041034A (en) | 2017-04-25 | 2017-04-25 | A kind of LED strip lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107041034A (en) |
Cited By (3)
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| CN107606510A (en) * | 2017-09-29 | 2018-01-19 | 郑靛青 | A kind of parallel lamp string |
| CN110246428A (en) * | 2019-06-19 | 2019-09-17 | 大连集思特科技有限公司 | A kind of high density transparency LED display screen and preparation method thereof |
| CN115460734A (en) * | 2022-05-17 | 2022-12-09 | 深圳锐盟半导体有限公司 | LED control circuit, electronic equipment and electronic device |
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Application publication date: 20170811 |