CN108843986A - A kind of new structural high-voltage LED light bar - Google Patents
A kind of new structural high-voltage LED light bar Download PDFInfo
- Publication number
- CN108843986A CN108843986A CN201810958818.2A CN201810958818A CN108843986A CN 108843986 A CN108843986 A CN 108843986A CN 201810958818 A CN201810958818 A CN 201810958818A CN 108843986 A CN108843986 A CN 108843986A
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- China
- Prior art keywords
- voltage led
- constant current
- light bar
- voltage
- linear constant
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
-
- 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]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of new structural high-voltage LED light bar, including flexible circuit board, at least two conducting wires are integrated with along light bar length direction on the flexible circuit board, high-voltage LED circuit is connected between the conducting wire, the high-voltage LED circuit includes linear constant current chip and several high-voltage LED lamp beads；The linear constant current chip package is on a LED support, the LED support includes positive pin and negative pin, the linear constant current chip includes output end and input terminal, the output end is electrically connected with negative pin, the input terminal is electrically connected with positive pin, and the linear constant current chip and the high-voltage LED lamp bead are connected in series.Possessing positive pin can use same set of equipment assemble welding on flexible circuit board with the linear constant current chip of negative pin as high-voltage LED lamp bead, without being that linear constant current chip designs additional wired circuit structure on the circuit board of light bar, the design complexities of LED light strip circuit board are reduced.
Description
Technical field
The present invention relates to high-voltage LED light bar production technical field, in particular to a kind of new structural high-voltage LED light bar.
Background technique
High-pressure lamp band refers to 110V/220V light bar.110V light bar main exit is external, and 220V light bar domestic contrast is common,
High-pressure lamp band can be used with a high-pressure lamp band plug special is unified.A rectifier bridge is needed, only woth no need to connect transformation
Device.
In LED light strip production process, resistance pin configuration having the same due to LED lamp bead and for current limliting,
Only need a set of production equipment by LED lamp bead and resistance along the pad that light bar length direction is welded to light bar.And high pressure
LED light strip generally can all increase constant current chip to stablize the electric current of each lamp bead.Existing linear constant current chip is in high pressure
Structure in LED light strip is general such as Chinese patent (Publication No.：CN203775475U a kind of LED high-voltage light bar disclosed in),
The other end of bridge rectifier pipe D1 is connected with the high voltage and constant current chip U1, the other end of the high voltage and constant current chip U1 with it is described
LED light group is connected, and the ground terminal of the high voltage and constant current chip U1 is connected with the ground terminal of the LED light group.Due to constant current chip
Pin configuration be different from LED lamp bead and resistance, lead to the cloth for needing additional designs light bar flexible circuit board in process of production
Cable architecture and a set of additional equipment of increase will be on constant current chip assemble weldings to light bar.
The manpower and Material Cost of the production of high-voltage LED light bar are increased in this way, while extending the production cycle, and by
More circuits design for constant current chip, increase the complexity of circuit structure, are unfavorable for factory and overhaul in flexible circuit board,
Increase rejection rate.
Summary of the invention
To solve the above problems, can facilitate linear constant current chip in LED light strip the purpose of the present invention is to provide a kind of
Wiring and without increasing the structure of LED light strip board circuit wiring complexity, i.e., a kind of new structural high-voltage LED
Light bar.
Technical solution used by the present invention solves the problems, such as it is：
A kind of new structural high-voltage LED light bar, including flexible circuit board, along light bar length side on the flexible circuit board
To at least two conducting wires are integrated with, high-voltage LED circuit is connected between the conducting wire, the high-voltage LED circuit includes linear permanent
Flow chip and several high-voltage LED lamp beads；For the linear constant current chip package on a LED support, the LED support includes anode
Pin and negative pin, the linear constant current chip include output end and input terminal, and the output end is electrically connected with negative pin,
The input terminal is electrically connected with positive pin, and the linear constant current chip and the high-voltage LED lamp bead are connected in series.
Further, the high-voltage LED circuit is multiple, and multiple high-voltage LED circuits are connected to institute by parallel way
It states between conducting wire.
Further, the linear constant current chip includes the single channel LED perseverance of TO252-2 encapsulation or SOT89-3 encapsulation
Flow drive control chip.
Further, the constant current chip includes the single channel LED constant current drive control chip of model RM9023.
Further, the LED support further includes pedestal, and the pedestal upper surface is equipped with the anode being electrically connected with positive pin
Area and the cathode area being electrically connected with negative pin, the positive polar region are electrically insulated with cathode area, and the linear constant current chip is solid
It is scheduled on cathode area.
Further, the positive pin and negative pin are respectively distributed on two sides opposite on pedestal.
Further, the voltage rating of the high-voltage LED lamp bead include DC6V, DC9V, DC18V, DC36V, DC48V,
DC72V。
Further, the conducting wire is sheet, and the high-voltage LED circuit further includes several conductive sheets, several high-voltage LEDs
Lamp bead and linear constant current chip are connected in series with each other by the conductive sheet.
Further, scissors is equipped between adjacent high-voltage LED circuit to identify.
Further, the conducting wire includes positive power line and negative power line, and the positive power line is equipped with contact A, described negative
Power supply line is equipped with contact B.
The beneficial effects of the invention are as follows：A kind of new structural high-voltage LED light bar that the present invention uses, it is linear permanent by inciting somebody to action
It flows on chip package to LED support, and the output end of linear constant current chip and input terminal is drawn with the cathode of LED support respectively
Foot and positive pin electrical connection, optimize the encapsulating structure of the linear constant current chip in high-voltage LED light bar, due to linear permanent
Lamp bead having the same encapsulating structure of the chip package on LED support and on high-pressure lamp band is flowed, two electric connections are only existed
Pin.Therefore in high-voltage LED circuit, possess positive pin and negative pin linear constant current chip can and high-voltage LED
Lamp bead equally uses same set of equipment assemble welding on flexible circuit board, without being linear constant current core on the circuit board of light bar
Piece designs additional wired circuit structure, can be simultaneously by the LED lamp bead of identical packages structures due to using a set of production equipment
On linear constant current chip assemble welding to LED light strip, the design complexities of LED light strip circuit board are reduced, LED light is improved
The stability of band, while production equipment and process are saved, it reduces costs, improves efficiency.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of package structure diagram of the linear constant current chip of new structural high-voltage LED light bar of the present invention；
Fig. 2 is TO252-2 package structure diagram；
Fig. 3 is SOT89-3 package structure diagram；
Fig. 4 is a kind of circuit diagram of new structural high-voltage LED light bar of the present invention；
Fig. 5 is a kind of structural schematic diagram of new structural high-voltage LED light bar of the present invention.
In figure, 1-LED bracket, 11- pedestal, 12- cathode area, the positive polar region 13-, 14- negative pin, 15- anode
Pin, 2- linear constant current chip, 31- positive power line, 32- negative power line, 33- conductive sheet, 34- contact A, the contact 35-
B, 36- pad, 4- high-voltage LED lamp bead, 5- scissors mark.
Specific embodiment
- Fig. 5 referring to Fig.1, wherein the region C is assemble welding high-voltage LED lamp bead 4 and linear constant current core in Fig. 5
The light bar structure of piece 2, the region D are the light bar structure of unwelded installation high-voltage LED lamp bead 4 and linear constant current chip 2.
A kind of new structural high-voltage LED light bar of the invention, including flexible circuit board, the flexible circuit board include single
Panel and dual platen are integrated at least two conducting wires along light bar length direction on the flexible circuit board, connect between the conducting wire
It is connected to high-voltage LED circuit, the high-voltage LED circuit includes linear constant current chip 2 and several high-voltage LED lamp beads 4；The linear perseverance
Stream chip 2 is encapsulated on a LED support 1, and the LED support 1 includes positive pin 15 and negative pin 14, the linear constant current
Chip 2 includes output end and input terminal, and the output end is electrically connected with negative pin 14, the input terminal end and positive pin 15
Electrical connection, the linear constant current chip 2 is connected in series with several high-voltage LED lamp beads 4, for the linear constant current chip 2
Installation site do not require, need specially to reserve the light bar structure of its installation site, structure tool of the invention compared to tradition
There is the apparent advantage that production efficiency is provided and simplifies the effect of light bar structure.Specifically, the conducting wire is two, including just
Power supply line 31 and negative power line 32, and the high-voltage LED circuit be it is multiple, each high-voltage LED circuit constitute one it is independent
Working cell, multiple high-voltage LED circuits are connected between the conducting wire by parallel way, the linear constant current chip 2
The stabling current of not influence by voltage is provided to these concatenated high-voltage LED lamp beads 4, guarantees the stabilization work of high-voltage LED lamp bead 4
Make.
Specifically, in order to simplify the peripheral circuit structure of linear constant current chip 2, facilitate will linear constant current chip 2 and its outside
Circuit package is enclosed into LED support 1, and linear constant current chip 2 selects the few encapsulating structure of pin number as far as possible.Preferably, described
Linear constant current chip 2 includes the single channel LED constant current drive control chip that TO252-2 is encapsulated or SOT89-3 is encapsulated.It is above-mentioned
The single channel LED constant current drive control chip of two kinds of encapsulating structures only includes three pins, without increasing complicated peripheral circuit.
Three pins, which also facilitate, simultaneously integrates in peripheral circuit post package to the LED support 1 of two pins.It is adjusted by looking into chip handbook
The resistance value of peripheral circuit, the continuous current scope control that output end can be exported use above-mentioned three between 5mA-60mA
The linear constant current chip 2 of port organization facilitates the value for adjusting continuous current, and structure is simple, easy to produce.
Optimal, the linear constant current chip 2 of both ends mouth structure should be selected.Specifically the linear constant current chip 2 is type
It number is the single channel LED constant current drive control chip of RM9023, the model is the single channel LED constant current drive control of RM9023
Chip is the constant current chip of two-port.The input terminal of RM9023 is electrically connected with positive pin 15, output end and negative pin
14 electrical connections, the peripheral circuit of three pin chips can be eliminated the need for using RM9023, encapsulating structure is advanced optimized, into one
Step improves production efficiency.
Preferably, the LED support 1 further includes flat square base 11, and 11 upper surface of pedestal is equipped with and anode
The positive polar region 13 and the cathode area 12 being electrically connected with negative pin 14, the positive polar region 13 and cathode area 12 that pin 15 is electrically connected
All choosing has conductivity good copper material, and the positive polar region 13 is electrically insulated with cathode area 12, and the linear constant current chip 2 is logical
It crosses glue and is fixed on cathode area 12, and the output end of the linear constant current chip 2 is electrically connected with cathode area 12, input terminal draws
Line is connected to positive polar region 13.
Preferably, for the ease of LED lamp bead and the linear constant current chip 2 being encapsulated on LED support 1 in LED light strip
Assemble welding, it is described anode pin 15 and negative pin 14 be respectively distributed on two sides opposite on pedestal 11.It is inciting somebody to action
LED lamp bead and the welding of linear constant current chip 2 are when on LED light strip circuit board, it is only necessary to by equipment by LED lamp bead and linearly
The positive pin 15 and negative pin 14 at 2 both ends of constant current chip are corresponding with 36 position of pad in LED light strip, with closing LED branch
Frame 1 in flat rectangular, therefore can keep LED support 1 it is stable rest on welding position, be arranged relative to pin in pedestal
The structure of 11 lower surfaces, the more convenient welding of design of the invention, can lower welding difficulty, promote welding precision.
For above-described embodiment, in order to shorten the length of each independent working cell, the high-voltage LED lamp bead 4
Voltage rating includes DC6V, DC9V, DC18V, DC36V, DC48V, DC72V, and specifically, the LED lamp bead 4 used may include
2835 encapsulation, 5730 encapsulation, 5050 encapsulation and 3030 encapsulation etc., same nominal electricity is selected in each independent working cell
The high-voltage LED lamp bead 4 of pressure realizes voltage evenly distributing in each lamp bead.One is independent for existing high-voltage LED light bar
Working cell due to use voltage rating be DC1.5V, DC3V LED lamp bead, length generally all at 40 centimeters or more,
Certain specific application scenarios can not be applicable in, by using the high-voltage LED lamp bead 4 of high voltage-rated, can substantially be shortened
The length of light bar, the use of edge different scenes.
Preferably, the conducting wire is sheet, and the high-voltage LED circuit further includes several conductive sheets 33, several high pressures
LED lamp bead 4 and linear constant current chip 2 are connected in series with each other by the conductive sheet 33.The conducting wire and conduction of the sheet
Piece 33 is to be etched by the copper foil on flexible circuit board when making flexible circuit board, be integrated and set with flexible circuit board
It sets.Corresponding position is provided with pad 36 on the conducting wire and conductive sheet 33 of sheet, in the production line, with identical packages structures
Linear constant current chip 2 and high-voltage LED lamp bead 4, by corresponding assemble welding equipment by the positive pin 15 of 1 two sides of LED support
And negative pin 14 is respectively welded on the pad 36 between adjacent conductive sheet 33, conducting wire, realizes the weldering of a high-voltage LED circuit
Tipping is matched.
For the ease of distinguishing different independent working cells, scissors mark 5 is equipped between adjacent high-voltage LED circuit, conveniently
User of service cuts.
Each independent working cell is connect with attaching plug for convenience simultaneously, and the conducting wire includes positive power line 31
With negative power line 32, the positive power line 31 is equipped with contact A 34, and the negative power line 32 is equipped with contact B35.Contact A 34
It is that will be covered on the copper foil layer being exposed after the solder mask removal of flexible circuit plate surface, convenient and power supply with contact B35
Plug connection.
In use, the internal attaching plug for being equipped with rectifier bridge obtains AC power source, the exchange of 220V from utility grid
Electricity is converted to the direct current of 220V through the rectifier bridge inside attaching plug, and attaching plug passes through one independent working cell of connection
Contact A 34 and contact B35, into the working cell high-voltage LED circuit power supply, due to alternating current exist fluctuate, will lead to height
Press LED circuit in power supply generate fluctuation, but the electric current of the output end of linear constant current chip 2 will not with voltage change and
Change, it is hereby ensured that the high-voltage LED lamp beads 4 of each working cell, and electric current to be kept to stablize, to eliminate due to alternating current not
Stabilization gives high-voltage LED lamp bead 4 bring flicker problem.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of new structural high-voltage LED light bar, it is characterised in that：Including flexible circuit board, edge on the flexible circuit board
Light bar length direction is integrated at least two conducting wires, and high-voltage LED circuit, the high-voltage LED circuit are connected between the conducting wire
Including linear constant current chip and several high-voltage LED lamp beads；The linear constant current chip package is on a LED support, the LED branch
Frame includes positive pin and negative pin, and the linear constant current chip includes output end and input terminal, the output end and cathode
Pin electrical connection, the input terminal are electrically connected with anode pin, and the linear constant current chip is connected company with the high-voltage LED lamp bead
It connects.
2. a kind of new structural high-voltage LED light bar according to claim 1, it is characterised in that：The high-voltage LED circuit
To be multiple, multiple high-voltage LED circuits are connected between the conducting wire by parallel way.
3. a kind of new structural high-voltage LED light bar according to claim 2, it is characterised in that：The linear constant current core
Piece includes the single channel LED constant current drive control chip of TO252-2 encapsulation or SOT89-3 encapsulation.
4. a kind of new structural high-voltage LED light bar according to claim 1, it is characterised in that：The constant current chip packet
Include the single channel LED constant current drive control chip of model RM9023.
5. a kind of new structural high-voltage LED light bar according to claim 4, it is characterised in that：The LED support also wraps
Pedestal is included, the pedestal upper surface is equipped with the positive polar region being electrically connected with positive pin and the cathode being electrically connected with negative pin
Area, the positive polar region are electrically insulated with cathode area, and the linear constant current chip is fixed on cathode area.
6. a kind of new structural high-voltage LED light bar according to claim 5, it is characterised in that：It is described anode pin and
Negative pin is respectively distributed on two sides opposite on pedestal.
7. a kind of new structural high-voltage LED light bar according to claim 1, it is characterised in that：The high-voltage LED lamp bead
Voltage rating include DC6V, DC9V, DC18V, DC36V, DC48V, DC72V.
8. a kind of new structural high-voltage LED light bar according to claim 1, it is characterised in that：The conducting wire is sheet,
The high-voltage LED circuit further includes several conductive sheets, and several high-voltage LED lamp beads and linear constant current chip are led by described
Electric piece is connected in series with each other.
9. a kind of new structural high-voltage LED light bar according to claim 2, it is characterised in that：Adjacent high-voltage LED circuit
Between be equipped with scissors identify.
10. a kind of new structural high-voltage LED light bar according to claim 1, it is characterised in that：The conducting wire includes just
Power supply line and negative power line, the positive power line are equipped with contact A, and the negative power line is equipped with contact B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958818.2A CN108843986A (en) | 2018-08-21 | 2018-08-21 | A kind of new structural high-voltage LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958818.2A CN108843986A (en) | 2018-08-21 | 2018-08-21 | A kind of new structural high-voltage LED light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843986A true CN108843986A (en) | 2018-11-20 |
Family
ID=64188526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810958818.2A Withdrawn CN108843986A (en) | 2018-08-21 | 2018-08-21 | A kind of new structural high-voltage LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307477A (en) * | 2019-08-05 | 2019-10-08 | 厦门集长新材料科技有限公司 | A kind of constant-voltage LED light bar cut |
-
2018
- 2018-08-21 CN CN201810958818.2A patent/CN108843986A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307477A (en) * | 2019-08-05 | 2019-10-08 | 厦门集长新材料科技有限公司 | A kind of constant-voltage LED light bar cut |
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Application publication date: 20181120 |
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