CN101398157A - Lamp panel structure process of LED lamp - Google Patents
Lamp panel structure process of LED lamp Download PDFInfo
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- CN101398157A CN101398157A CNA2007101236416A CN200710123641A CN101398157A CN 101398157 A CN101398157 A CN 101398157A CN A2007101236416 A CNA2007101236416 A CN A2007101236416A CN 200710123641 A CN200710123641 A CN 200710123641A CN 101398157 A CN101398157 A CN 101398157A
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Abstract
The invention relates to a technology of a lamp panel structure of an LED lamp. The technology comprises the steps: (1) more than one large areas are divided on a lamp panel and each area is respectively provided with a power bus and a control bus; (2) more than one small areas are divided on each area and a unit circuit is arranged in each small area; (3) a positive power supply VCC, a negative power supply GND and a controlled terminal of the unit circuit are respectively connected with the power bus and the control bus; and (4) the power bus and the control bus of each large area are guided to an end part where the lamp panel is connected with a lamp bracket. As to the technology of the lamp panel structure, the mechanical connection and the electrical connection are reliable and the lamp panel structure with high heat dissipation is favorable to heat dissipation. In addition, the current of a uniform constant current element is precisely calculated with a formula, thereby, the current of each unit circuit can be surely consistent, so that the lamp panel can meet high standard requirements of the fields such as aviation in evenness and correctness of illumination.
Description
Technical fieldThe present invention relates to the method for designing of lighting, particularly the lamp panel structure process of LED lighting; Relate in particular to the lamp panel structure process method that a plurality of element circuits are arranged in order thereon.
Background technologyIn the prior art, existing various LED light fixtures, its lamp panel structure also varies.
For example Chinese utility model patent ZL200620056938.6, the technical scheme of disclosed a kind of " LED lighting " by name, Figure of description Fig. 1 of this patent and Fig. 3 are its structure chart and electrical schematic diagram, by its Fig. 1 as can be known, its lamp plate is common epoxy resin pcb board, and is unfavorable for heat radiation.
By its Fig. 3 as can be known, its LED lamp is to be composed in series a series lamp group earlier, and a plurality of series lamp groups in back are in parallel again, are connected on the power supply two ends again.Can learn that by the Fundamental Theory of Electrical Engineering principle in series circuit, the electric current that flows through in each element all is identical, but different its threshold voltages of lighting of LED lamp series circuit also there is difference slightly, but this electric current difference that has difference will cause it to flow through slightly.Its reason is: the lighting threshold voltage a minimum must be arranged of numerous series lamp group, this minimum threshold voltage plays pressure stabilization function, make the resulting voltage of other series lamp groups that is connected in parallel on its two ends can not satisfy oneself requirement, so the electric current of series lamp group is different therewith for the electric current of other series lamp groups.
And the also form of inheriting tradition fluorescent lamp of the external form of this patent, lamp socket, adopt general lead to be connected between the contact of fluorescent tube and the circuit board, this kind connection does not meet field high standard requirements such as aviation.
The technical scheme of this patent all is encapsulated in all parts in the airtight glass lamp, is unfavorable for very much heat radiation, and its drawback is that electronic devices and components are at high temperature old and feeble easily.
The summary of the invention the technical problem to be solved in the present invention is, avoid above-mentioned the deficiencies in the prior art part and propose a kind of lamp panel technology structure of LED light fixture, lamp panel technology structure emphasis of the present invention is that element circuit is repeatedly arranged on circuit board in order equably.
The present invention realizes by adopting following technical scheme:
Implement a kind of lamp panel technology of LED light fixture, described technology comprises step:
1., on lamp plate, divide more than one big zone, on each big zone power bus and control bus are set respectively;
2., in big zone, divide more than one sub-district, arrangement unit circuit in the described sub-district again;
3., positive supply VCC, negative supply GND and the controlled end with element circuit connects power bus and control bus respectively;
4., will the end that power bus and control bus cause each big zone be set respectively on each big zone, and lamp plate is connected with a lamp bracket at this, during connection, with the termination and the welding of power bus pad of described lamp bracket power contact head brace, with the termination and and the control bus pad welding of control contact brace.
In the above-mentioned technology, the 2. described arrangement unit circuit of step comprises a plurality of LED lamps in the element circuit is arranged equably and are welded in the sub-district.
In the above-mentioned technology, the 2. described arrangement unit circuit of step (10), the constant current integrated circuit (12) in the element circuit (10) is selected LM317 for use, and first current-limiting resistance (14), second current-limiting resistance (15) are in series, and total resistance is R.
When LM317 is used for constant-current source, output current Io=(V
REF/ R)+I
ADJ, V in the formula
REFBe reference voltage, be 1.25V, I
ADJBe from adjusting the electric current that end flows out, common I
ADJ≤ 50 μ A can ignore.As seen the constant current effect of LM317 is better.
Because the minimum differntial pressure of LM317 is 3V, so input voltage VI reaches just energy operate as normal of 4.25V.
Determine a kind of lamp panel structure of LED light fixture according to above-mentioned technology, described lamp panel structure is drawn together:
One lamp plate, distributed power bus and control bus on the described lamp plate.
On lamp plate, the positive supply VCC of described element circuit, negative supply GND and controlled end connect power bus and control bus respectively at least one element circuit by area distribution.
Described lamp plate connects a lamp bracket at least, and described lamp bracket comprises lamp bracket pedestal, power contact head and control contact, and the lamp bracket pedestal of described lamp bracket and lamp plate link fixing, and described power contact head is connected with control bus with power bus by brace with the control contact.
Described element circuit comprises: a constant current integrated circuit, first current-limiting resistance, second current-limiting resistance, many LED lamps and the second current-limiting resistance switch; Described many LED lamps are uniformly distributed in the zone of element circuit;
Described first current-limiting resistance, second current-limiting resistance, constant current integrated circuit, the second current-limiting resistance switch are distributed in the space between each LED lamp.
Described lamp plate is a base with high heat sink, on the high heat sink insulating barrier is set, and power bus and control bus are set on the insulating barrier, and the constant current integrated circuit, first current-limiting resistance, second current-limiting resistance, many LED lamps and the second current-limiting resistance switch.
Also have with the constant current integrated circuit first current-limiting resistance, second current-limiting resistance, many leads that the LED lamp is connected with the second current-limiting resistance switch on the described insulating barrier.
Compared with prior art, lamp panel structure process of the present invention with circuit board solid and reliablely with lamp bracket mechanical connection and being electrically connected, satisfy field high standard requirements such as aviation.High heat-radiating substrate lamp panel structure of the present invention extremely helps heat radiation.Element circuit of the present invention adopts unified constant flow element, and the electric current in the element circuit is to draw via the formula accurate Calculation, selected first current-limiting resistance, second current-limiting resistance are also selected accurate resistance for use, so the constant current in the series lamp group is also very accurate, can be as accurate as 1% of constant current, the electric current of each element circuit can guarantee accurate unanimity.Thereby make lamp plate illuminance uniformity of the present invention, accuracy all satisfy field high standard requirements such as aviation.
Description of drawingsFig. 1 is 1/2 overall schematic of the lamp panel structure process most preferred embodiment of LED light fixture of the present invention.
Fig. 2 is the electrical schematic diagram of the lamp panel structure process element circuit of LED light fixture of the present invention;
Fig. 3 is the schematic diagram that the lamp panel structure process lamp plate of LED light fixture of the present invention is connected with lamp socket.
The specific embodimentBelow in conjunction with embodiment shown in the drawings the present invention is further described in detail.
With reference to Fig. 1～Fig. 3, implement a kind of lamp panel technology of LED light fixture, described technology comprises step:
1., on lamp plate 1, divide more than one big zone, on each big zone power bus and control bus are set respectively;
2., division of cells in big zone again, arrangement unit circuit 10 in the described sub-district;
3., positive supply VCC, negative supply GND and the controlled end with element circuit 10 connects power bus and control bus respectively;
4., will the end that power bus and control bus cause each big zone be set respectively on each big zone, and lamp plate 1 is connected with a lamp bracket 100 at this, during connection, with the termination and the welding of power bus pad of described lamp bracket 100 power contact head braces, with the termination and and the control bus pad welding of control contact brace.
The 2. described arrangement unit circuit 10 of step comprises a plurality of LED lamps 11 in the element circuit 10 is arranged equably and are welded in the sub-district.
The 2. described arrangement unit circuit 10 of step, the constant current integrated circuit 12 in the element circuit 10 is selected LM317 for use, and first current-limiting resistance 14, second current-limiting resistance 15 are in series, and total resistance is R.
When LM317 is used for constant-current source, output current Io=(V
REF/ R)+I
ADJ, V in the formula
REFBe reference voltage, be 1.25V, I
ADJBe from adjusting the electric current that end flows out, common I
ADJ≤ 50 μ A can ignore.As seen the constant current effect of LM317 is better.
Because the minimum differntial pressure of LM317 is 3V, so input voltage VI reaches just energy operate as normal of 4.25V.
As long as select LM317 for use, select precision resistance again for use, just can accurately determine continuous current.
This shows that the size of continuous current, the precision of continuous current all depend on first current-limiting resistance 14, the second current-limiting resistance 15 back all-in resistance R that is in series.
As shown in Figure 2, as long as second current-limiting resistance 15 is inserted series loop, or, just can change the size of continuous current with its short circuit.And that finish this function is exactly the second current-limiting resistance switch Q2, and it is connected across the two ends of second current-limiting resistance 15, and best device is selected field-effect transistor exactly for use, also can finish this task with relay contact certainly.
The grid of the field-effect transistor Q2 of a plurality of element circuits 10 links together by resistance R 3, is connected with control bus again.
Make a kind of lamp panel structure of LED light fixture according to above-mentioned technological design, as Fig. 1～shown in Figure 3, described lamp panel structure comprises:
One lamp plate 1, distributed power bus and control bus on the described lamp plate 1;
On lamp plate 1, the positive supply VCC of described element circuit 10, negative supply GND and controlled end connect power bus and control bus respectively at least one element circuit 10 by area distribution.
Described lamp plate 1 connects a lamp bracket 100 at least, described lamp bracket 100 comprises lamp bracket pedestal, power contact head 110,130 and control contact 120, the lamp bracket pedestal of described lamp bracket 100 and lamp plate 1 link fixing, and described power contact head 110,130 is connected with control bus with power bus by brace with control contact 120.
Described element circuit 10 comprises: a constant current integrated circuit 12, the first current-limiting resistances 14, second current-limiting resistance 15, many LED lamps 11 and the second current-limiting resistance switch 13; Described many LED lamps 11 are uniformly distributed in the zone of element circuit 10.
Described first current-limiting resistance 14, second current-limiting resistance 15, constant current integrated circuit 12, the second current-limiting resistance switch 13 are distributed in the space between each LED lamp 11.
Described lamp plate 1 is a base with high heat sink, on the high heat sink insulating barrier is set, power bus and control bus are set on the insulating barrier, and constant current integrated circuit 12, the first current-limiting resistances 14, second current-limiting resistance 15, many LED lamps 11 and the second current-limiting resistance switch 13.
Also have constant current integrated circuit 12, the first current-limiting resistances 14, second current-limiting resistance 15, many leads that LED lamp 11 is connected with the second current-limiting resistance switch 13 on the described insulating barrier.
Have louvre 2 on the described lamp plate 1.
A most preferred embodiment of the present invention is that two lamp brackets are set at the two ends of a long strip type lamp plate, and two lamp brackets each element circuit 10 in the lamp plate in 1/2 zone are respectively powered and controlled.The advantage of this structure is a symmetry, is easy to loading and unloading.
Most preferred embodiment as shown in Figure 3, lamp bracket 100 have three contacts 110, and these three contacts 110 are pressed in three contact pocket 31 of lamp socket 30, and lamp socket 30 has auto-lock function, can guarantee that contact 110 can not come off because of vibrations.
Lamp panel structure of the present invention with circuit board solid and reliablely with lamp bracket mechanical connection and being electrically connected, satisfy field high standard requirements such as aviation.The basic lamp panel structure of high heat radiation of the present invention extremely helps heat radiation.Element circuit of the present invention adopts unified constant flow element, and the electric current in the element circuit is to draw via the formula accurate Calculation, so the electric current of each element circuit can guarantee unanimity.Thereby make lamp plate illuminance uniformity of the present invention, accuracy all satisfy field high standard requirements such as aviation.
The embodiment that the present invention exemplified not is the qualification to oneself, every content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1, a kind of lamp panel technology of LED light fixture is characterized in that, described technology comprises step:
1., go up to divide more than one big zone, on each big zone power bus and control bus are set respectively at lamp plate (1);
2., in big zone, divide more than one sub-district, arrangement unit circuit (10) in the described sub-district again;
3., positive supply VCC, negative supply GND and the controlled end with element circuit (10) connects power bus and control bus respectively;
4., will the end that power bus and control bus cause each big zone be set respectively on each big zone, and lamp plate (1) is connected with a lamp bracket (100) at this, during connection, with the termination and the welding of power bus pad of described lamp bracket (100) power contact head brace, with the termination and and the control bus pad welding of control contact brace.
2, the lamp panel technology of LED light fixture according to claim 1 is characterized in that:
The 2. described arrangement unit circuit of step (10) comprises a plurality of LED lamps (11) in the element circuit (10) is arranged equably and are welded in the sub-district.
3, the lamp panel technology of LED light fixture according to claim 1 is characterized in that:
The 2. described arrangement unit circuit of step (10), the constant current integrated circuit (12) in the element circuit (10) is selected LM317 for use, and first current-limiting resistance (14), second current-limiting resistance (15) are in series, and total resistance R satisfies
Io＝(V
REF/R)+I
ADJ。
4, a kind of lamp panel structure of LED light fixture is characterized in that, described lamp panel structure comprises:
One lamp plate (1), described lamp plate (1) is gone up distributed power bus and control bus;
On lamp plate (1), the positive supply VCC of described element circuit (10), negative supply GND and controlled end connect power bus and control bus respectively at least one element circuit (10) by area distribution.
5, the lamp panel structure of LED light fixture according to claim 4 is characterized in that:
Described lamp plate (1) connects a lamp bracket (100) at least, described lamp bracket (100) comprises lamp bracket pedestal, power contact head and control contact, the lamp bracket pedestal of described lamp bracket (100) and lamp plate (1) link fixing, and described power contact head is connected with control bus with power bus by brace with the control contact.
6, the lamp panel structure of LED light fixture according to claim 4 is characterized in that:
Described element circuit (10) comprising: a constant current integrated circuit (12), first current-limiting resistance (14), second current-limiting resistance (15), many LED lamps (11) and the second current-limiting resistance switch (13); Described many LED lamps (11) are uniformly distributed in the zone of element circuit (10);
Described first current-limiting resistance (14), second current-limiting resistance (15), constant current integrated circuit (12), the second current-limiting resistance switch (13) are distributed in the space between each LED lamp (11).
7, the lamp panel structure of LED light fixture according to claim 4 is characterized in that:
Described lamp plate (1) is a base with high heat sink, on the high heat sink insulating barrier is set, power bus and control bus are set on the insulating barrier, and constant current integrated circuit (12), first current-limiting resistance (14), second current-limiting resistance (15), many LED lamps (11) and the second current-limiting resistance switch (13).
8, the lamp panel structure of LED light fixture according to claim 4 is characterized in that:
Also has with constant current integrated circuit (12) lead that first current-limiting resistance (14), second current-limiting resistance (15), many LED lamps (11) and the second current-limiting resistance switch (13) are connected on the described insulating barrier.
9, the lamp panel structure of LED light fixture according to claim 4 is characterized in that:
Have louvre (2) on the described lamp plate (1).
10, according to the lamp panel structure of claim 4 or 6 described LED light fixtures, it is characterized in that:
The two ends of described lamp plate (1) respectively connect a lamp bracket (100), and each provides each lamp bracket (100) power supply and control to 1/2 zone of described lamp plate (1); Described constant current integrated circuit (12) adopts LM317.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101236416A CN101398157B (en) | 2007-09-28 | 2007-09-28 | Lamp panel structure process of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101236416A CN101398157B (en) | 2007-09-28 | 2007-09-28 | Lamp panel structure process of LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101398157A true CN101398157A (en) | 2009-04-01 |
| CN101398157B CN101398157B (en) | 2011-09-21 |
Family
ID=40516889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101236416A Expired - Fee Related CN101398157B (en) | 2007-09-28 | 2007-09-28 | Lamp panel structure process of LED lamp |
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| CN (1) | CN101398157B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858581A (en) * | 2010-05-11 | 2010-10-13 | 张汝京 | Iluminating integrated circuit based on light emitting diode |
| CN102449379A (en) * | 2009-06-15 | 2012-05-09 | 夏普株式会社 | Light source unit, illumination device, display device, television receiver, and method for manufacturing a substrate for a light source unit |
| CN102913791A (en) * | 2012-10-22 | 2013-02-06 | 西安明泰半导体科技有限公司 | Distributed type safety setting method of LED (light emitting diode) daylight light source board driven by IC (integrated circuit) |
| CN106271564A (en) * | 2015-06-24 | 2017-01-04 | 威光自动化科技股份有限公司 | Automatic assembling method of LED lamp box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100516630C (en) * | 2004-08-25 | 2009-07-22 | 上海力保科技有限公司 | High-density light-emitting diode array lamp board |
| CN2901019Y (en) * | 2006-03-23 | 2007-05-16 | 苏文地 | LED lighting lamp |
| CN2879334Y (en) * | 2006-04-18 | 2007-03-14 | 北京益泰元盛元科技发展有限公司 | Electronic poster machine |
| CN200949768Y (en) * | 2006-09-15 | 2007-09-19 | 天津圣明科技有限公司 | LED lighting road lamp |
| CN1959183A (en) * | 2006-11-08 | 2007-05-09 | 胡勇 | White light tubular lamp |
| CN201093389Y (en) * | 2007-09-28 | 2008-07-30 | 东莞市精航科技有限公司 | Lamp panel structure of LED lamp |
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2007
- 2007-09-28 CN CN2007101236416A patent/CN101398157B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102449379A (en) * | 2009-06-15 | 2012-05-09 | 夏普株式会社 | Light source unit, illumination device, display device, television receiver, and method for manufacturing a substrate for a light source unit |
| CN101858581A (en) * | 2010-05-11 | 2010-10-13 | 张汝京 | Iluminating integrated circuit based on light emitting diode |
| CN102913791A (en) * | 2012-10-22 | 2013-02-06 | 西安明泰半导体科技有限公司 | Distributed type safety setting method of LED (light emitting diode) daylight light source board driven by IC (integrated circuit) |
| CN102913791B (en) * | 2012-10-22 | 2014-08-20 | 西安明泰半导体科技有限公司 | Distributed type safety setting method of LED (light emitting diode) daylight light source board driven by IC (integrated circuit) |
| CN106271564A (en) * | 2015-06-24 | 2017-01-04 | 威光自动化科技股份有限公司 | Automatic assembling method of LED lamp box |
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| CN101398157B (en) | 2011-09-21 |
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