CN201218479Y - LED image element lamp - Google Patents
LED image element lamp Download PDFInfo
- Publication number
- CN201218479Y CN201218479Y CNU2008200801052U CN200820080105U CN201218479Y CN 201218479 Y CN201218479 Y CN 201218479Y CN U2008200801052 U CNU2008200801052 U CN U2008200801052U CN 200820080105 U CN200820080105 U CN 200820080105U CN 201218479 Y CN201218479 Y CN 201218479Y
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- Prior art keywords
- pcb board
- control chip
- drive control
- single wire
- transmission drive
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 abstract description 4
- 238000004020 luminiscence type Methods 0.000 abstract 2
- 230000003796 beauty Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an LED pixel lamp which comprises a lamp housing and a lamp body. A PCB board is arranged in the lamp body; a plurality of luminescence diodes, a power supply anode-cathode circuit and a mongline transmission driving and controlling chip are arranged on the PCB board; and the mongline transmission driving and controlling chip inputs control signals through a signal control circuit to directly drive and control the luminescence diodes on the PCB board to illuminate. By adopting the mongline transmission driving and controlling chip and adopting the method that the number of the signal control circuit is changed into one from four, and a joint is changed into one-in-one-out from two-in-two-out, the utility model reduces the amount of socket connectors, improves the reliability, causes the PCB board to be designed to have a least size and enables the whole pixel lamp to be lighter and thinner; the PCB board can adopt double-layer boards ,or two single-layer boards can be longitudinally connected through a header PCB mount and a female header, thereby the transverse occupied space is reduced while the beauty of the surface of the lamp body is kept.
Description
Technical field
The utility model relates to a kind of LED lamp decoration device, particularly relates to a kind of LED pixel lamp.
Background technology
In information prosperity now, the epoch that Science and Technology Day is new, electronic display unit has been played the part of considerable role, government decree as government is advocated, corporate image and product advertising, stage are made a show live telecast, all kinds of message indications in public place etc., all need be by panoramic electronic display unit transmission, to reach best effect; It is via computer control and network on-line, has the propagation function of spreading over a whole area from one point, and develop into the expression mode of dynamic image by the expression mode of plane static state, making electronic display have more changes and elasticity, and the visual effect that gets both, the effect that far super other form billboards of its function can be reached.
What now be most widely used is large tracts of land monoblock electronics display board, because the inconvenience of its dismounting, transportation, installation, maintenance has greatly by the gesture of fritter pixel lamp replacement, because the fritter pixel lamp can be formed the display screen of various areas, all kinds of shapes as required.The fritter pixel lamp is controlled each lumination of light emitting diode by the polyphone control chip, can reach to show various videos, the effect of animation etc.Be used for controlling four control signal circuits of the general needs of driving control chip of pixel lamp in the prior art, so when connecting with flexible cord, two input heads are generally arranged, two deliveries, each one of power connection and Signal connector, because joint quantity is more, makes that the joint fault rate is higher, reliability is lower.Adopt four signal lines to carry out cascade, the size of pcb board is had considerable restraint, for little pcb board, lean on into short circuit easily, problem such as go offline.The mutual interference of four signal phases causes the limited length of cascade.
Summary of the invention
The purpose of this utility model: be at the deficiencies in the prior art, provide a kind of by adopt single wire transmission drive control chip, have only a control signal transmission line, simple in structure and be easy to the pixel lamp of installation and maintenance.
The technical solution adopted in the utility model is: a kind of LED pixel lamp, comprise lamp housing and lamp body, be provided with pcb board in the lamp body, pcb board is provided with some LED light emitting diodes and power positive cathode circuit, it is characterized in that: also be provided with single wire transmission drive control chip on the described pcb board, this single wire transmission drive control chip directly drives the LED lumination of light emitting diode on the described pcb board of control by a signal controlling circuit input control signal.
Described single wire transmission drive control chip is for carrying the single wire transmission drive control chip of PWM (Pulse width modulation, pulsewidth modulation).
Described lamp housing back also is provided with two wire holes, and described power positive cathode circuit and a signal controlling circuit are connected with adjacent two LED pixel lamps by two wire holes.The two ends of a power positive cathode circuit and a signal controlling circuit are respectively arranged with a male seat and a female seat, and this male seat is connected with the female seat of adjacent LED pixel lamp, and this female seat is connected with the male seat of adjacent LED pixel lamp.
Described pcb board is the individual layer pcb board, being separately positioned on two different individual layer pcb boards with single wire transmission drive control chip is luminous of described LED light emitting diode.The two ends, pcb board rear surface that are provided with the LED light emitting diode are welded with row's pin and mother row, and the female row's pin with the pcb board front surface that is provided with single wire transmission drive control chip of this row's pin and row connects with row's female plug.
Described pcb board is double-deck pcb board, described LED light emitting diode is arranged on the front surface of pcb board, described single wire transmission drive control chip is arranged on the rear surface of this pcb board, and this single wire transmission drive control chip passes pcb board and is electrically connected with the LED light emitting diode.
Technique effect of the present utility model is: owing to adopt single wire transmission drive control chip, four of signal control line routes become one, and joint advances scene 2 by two and changes one-in-and-one-out into, reduced connector quantity, improve reliability, PCB can be designed into minimum, and whole pixel lamp is more frivolous; Owing to adopt the single line transmission, eliminated crosstalking between signal, increased the transmission range of pixel, and single wire transmission drive control chip carries PWM, signal can be from encoding and decoding through every grade of chip, and the multi-plate chip cascade signal is undamped; Pcb board adopts doubling plate or two individual layer PCB vertically is connected with row is female by row's pin, when keeping the lamp body surface aesthetic, has reduced laterally taking up room.At the two ends of pixel lamp circuit male seat and female seat are set, make that the connection between the pixel lamp is convenient, several these pixel lamps can be connected to form pixel lamp band or pixel lamp screen by male seat and female seat; Pixel lamp can be installed on the medium by methods such as screw or direct welding are set.
Description of drawings
Fig. 1 is the utility model LED pixel lamp structural representation;
Fig. 2 is two individual layer circuit board connecting structure figure in the utility model;
Fig. 3 is the johning knot composition of the utility model single wire transmission drive control chip;
Fig. 4 is some LED pixel lamp connection diagrams in the utility model.
The specific embodiment
Referring to Fig. 1, LED pixel lamp 12 is made up of lamp body and lamp housing 1, be provided with some LED light emitting diodes 2 in the lamp body, pcb board 3 is double-deck pcb board, LED light emitting diode 2 is arranged on the front surface of pcb board 3, single wire transmission drive control chip 4 is arranged on the rear surface of pcb board 3, single wire transmission drive control chip 4 passes pcb board 3 and is electrically connected with LED light emitting diode 2, single wire transmission drive control chip 4 is for carrying PWM (Pulse width modulation, pulsewidth modulation, a kind of analog signal level is carried out digitally coded method) single wire transmission drive control chip, signal all can be from encoding and decoding through every grade of chip, and single wire transmission drive control chip 4 comes driving LED light emitting diode 2 luminous by control signal circuit 10 input control signals; Two ends, lamp housing 1 back also are provided with two wire holes 8, positive source circuit 9, power cathode circuit 11 and a signal controlling circuit 10 are connected two adjacent LED pixel lamps by two wire holes 8, the two ends of three above-mentioned circuits are respectively arranged with male seat 6 and female seat 7, male seat 6 is connected with the female seat of adjacent LED pixel lamp, and female seat 7 is connected with the male seat of adjacent LED pixel lamp.
Fig. 2 is the johning knot composition between the two individual layer wiring boards, is provided with the power positive cathode circuit on the two individual layer pcb boards, and pcb board 31 front surfaces are provided with some LED light emitting diodes 2, and two ends, pcb board 31 rear surface are welded with row's pin and row female 13; Pcb board 32 front surfaces are provided with single wire transmission drive control chip 4 and row pin and the row female 13 corresponding with pcb board 31 rear surfaces, row's pin and row female 13 all are electrically connected with two individual layer pcb boards, two pcb boards are pegged graft by corresponding row's pin and row female 13, provide voltage to pcb board 31 and pcb board 32 by positive source circuit 9 and power cathode circuit 11, signal controlling circuit 10 input control signals are in single wire transmission drive control chip 4, and are luminous with some LED light emitting diodes 2 that row female 13 controls pcb board 31 surfaces by row's pin of the setting on the pcb board by single wire transmission drive control chip 4 again.
See Fig. 3, single wire transmission drive control chip 4 is by signal controlling circuit 10 cascades, signal controlling circuit 10 input control signals are in single wire transmission drive control chip 4, and it is luminous to drive connected LED light emitting diode 2 by single wire transmission drive control chip 4; LED light emitting diode 2 is made up of red light emitting diodes (R), green LED (G), blue LED (B), respectively with resistance R 1, R2, R3 polyphone; A positive source circuit 9 and a power cathode circuit 11 provide voltage to above-mentioned display unit, show on several that to state the unit connected in series by positive source circuit 9, power cathode circuit 11 and 10 3 circuits of a signal controlling circuit.
See Fig. 4, be arranged to flexible cord 5 with being placed on pixel lamp housing outer positive source circuit 9, power cathode circuit 11 and 10 3 circuits of a signal controlling circuit, several LED pixel lamps 12 connect by flexible cord 5, the end of flexible cord 5 is provided with male seat 6 or female seat 7, and several LED pixel lamps form pixel lamp band or pixel lamp screen by male seat 6 and female seat 7 cascades.
The above embodiment only is used for illustrating the present invention, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection domain of the present invention.
Claims (7)
1, a kind of LED pixel lamp, comprise lamp housing and lamp body, be provided with pcb board in the lamp body, pcb board is provided with some LED light emitting diodes and power positive cathode circuit, it is characterized in that: also be provided with single wire transmission drive control chip on the described pcb board, this single wire transmission drive control chip directly drives the LED lumination of light emitting diode on the described pcb board of control by a signal controlling circuit input control signal.
2, a kind of LED pixel lamp according to claim 1, it is characterized in that: described single wire transmission drive control chip is the single wire transmission drive control chip that carries PWM.
3, a kind of LED pixel lamp according to claim 1, it is characterized in that: described lamp housing back also is provided with two wire holes, and described power positive cathode circuit and a signal controlling circuit are connected with adjacent two LED pixel lamps by two wire holes.
4, a kind of LED pixel lamp according to claim 3, it is characterized in that: the two ends of a described power positive cathode circuit and a signal controlling circuit are respectively arranged with a male seat and a female seat, this male seat is connected with the female seat of adjacent LED pixel lamp, and this female seat is connected with the male seat of adjacent LED pixel lamp.
5, a kind of LED pixel lamp according to claim 1, it is characterized in that: described pcb board is the individual layer pcb board, described LED light emitting diode is separately positioned on two different individual layer pcb boards with single wire transmission drive control chip.
6, according to the described a kind of LED pixel lamp of claim 5, it is characterized in that: the two ends, rear surface that are provided with the pcb board of LED light emitting diode are welded with row's pin and mother row, and the female row's pin with the pcb board surface that is provided with single wire transmission drive control chip of this row's pin and row connects with row's female plug.
7, a kind of LED pixel lamp according to claim 1, it is characterized in that: described pcb board is double-deck pcb board, described LED light emitting diode is arranged on the front surface of pcb board, described single wire transmission drive control chip is arranged on the rear surface of this pcb board, and this single wire transmission drive control chip passes pcb board and is electrically connected with the LED light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200801052U CN201218479Y (en) | 2008-04-22 | 2008-04-22 | LED image element lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200801052U CN201218479Y (en) | 2008-04-22 | 2008-04-22 | LED image element lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218479Y true CN201218479Y (en) | 2009-04-08 |
Family
ID=40541313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200801052U Expired - Lifetime CN201218479Y (en) | 2008-04-22 | 2008-04-22 | LED image element lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218479Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650899A (en) * | 2009-07-10 | 2010-02-17 | 北京巨数数字技术开发有限公司 | LED unit panel and LED display device |
| CN102003628A (en) * | 2009-05-14 | 2011-04-06 | 北京中庆微数字设备开发有限公司 | Automatic temperature control LED pixel tube |
| US12338973B2 (en) | 2022-01-06 | 2025-06-24 | Signify Holding, B.V. | Adaptable track lighting system |
-
2008
- 2008-04-22 CN CNU2008200801052U patent/CN201218479Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003628A (en) * | 2009-05-14 | 2011-04-06 | 北京中庆微数字设备开发有限公司 | Automatic temperature control LED pixel tube |
| CN101650899A (en) * | 2009-07-10 | 2010-02-17 | 北京巨数数字技术开发有限公司 | LED unit panel and LED display device |
| CN101650899B (en) * | 2009-07-10 | 2014-01-01 | 北京巨数数字技术开发有限公司 | LED unit panel and LED display device |
| US12338973B2 (en) | 2022-01-06 | 2025-06-24 | Signify Holding, B.V. | Adaptable track lighting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090408 Effective date of abandoning: 20100909 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |