CN101625088B - LED cord lamp - Google Patents
LED cord lamp Download PDFInfo
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- CN101625088B CN101625088B CN200810116362.1A CN200810116362A CN101625088B CN 101625088 B CN101625088 B CN 101625088B CN 200810116362 A CN200810116362 A CN 200810116362A CN 101625088 B CN101625088 B CN 101625088B
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- led light
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Abstract
The invention discloses an LED cord lamp, which comprises an inner-layer base, a plurality of luminescence units arranged on the inner-layer base and a light transmission coating layer. The inner-layer base contains a power supply positive circuit and a power supply negative circuit which are arranged in the inner-layer base along the axial direction; each luminescence unit comprises a PCB as well as an LED and a single-wire transmission driving control chip which are arranged on the PCB; and the single-wire transmission driving control chip inputs a control signal through a signal control circuit to directly drive and control the LED to emit the light. The LED cord lamp has the effects of simple structure, diversified light-emitting modes of the LEDs, and good decorative effect.
Description
Technical field
The present invention relates to a kind of lighting device, particularly relate to a kind of LED cord lamp.
Background technology
The high light efficiency of LED, the advantage of low power consuming, be widely used at various decorations and advertising sector.Bent LED Decorative lamp belt is a kind of a plurality of LED to be arranged on to the ornament lamp in the banded supporting of soft plastic.This ornament lamp is because physical dimension is little, bent, light easy installation, so it can be widely used in various contour of building, and shop front, the decoration places of signboard pattern etc.Prior art or luminous by outer control mode control LED, controls LED all in ornament lamp is unified by changing the size of electric current, and the variation of the ornament lamp that this control method makes is very single, and decorative effect is poor; In prior art, also can to each LED, control separately by built-in driving control chip, ornament lamp is changed various, good decorating effect, and the driving control chip of lamp decoration is all generally to adopt four signal controlling circuits to form a transmission channel to control in prior art, while adopting four circuits to connect with flexible cord, generally there are two input heads, two deliveries, each of power connection and Signal connector, joint can cause fault rate to raise too much like this, and reliability is low; Four signals carry out cascade, and the size of pcb board is had to very large restriction, for little pcb board, easily cause short circuit, the problem such as go offline, the luminescence unit complex structure in lamp decoration; The signal phase mutual interference of four signal lines, causes cascade limited length.
Summary of the invention
The present invention is in order to solve deficiency of the prior art, provides especially: a kind of employing single wire transmission drive control chip, simple in structure, the variation of LED illumination mode is various, the cord lamp of good decorating effect.
Technical scheme of the present invention is: a kind of LED cord lamp, comprises an internal layer pedestal, is arranged on some luminescence units and a printing opacity clad on internal layer pedestal; Described internal layer pedestal contains a positive source circuit and a power cathode circuit, and is arranged in internal layer pedestal along axis direction; Described luminescence unit comprises pcb board and is arranged on LED light emitting diode and the single wire transmission drive control chip on pcb board; Described single wire transmission drive control chip, by a signal controlling circuit input control signal, directly drives and controls described LED lumination of light emitting diode.
Described internal layer pedestal is provided with a cannelure along axis direction, and described luminescence unit is placed in cannelure, be connected with a described power cathode line electricity with a described positive source circuit, and connected in series by a described signal controlling circuit.
Described LED light emitting diode is adopting surface mounted LED light emitting diode.
Described adopting surface mounted LED light emitting diode is the surface-mounted LED light emitting diode by long molecular link polymer encapsulated.
Described adopting surface mounted LED light emitting diode is the wafer of the emitting led light emitting diode of un-encapsulated.
Described adopting surface mounted LED light emitting diode is that the packing colloid of LED light emitting diode is arranged to the cubical LED light emitting diode of flat.
The plane that the luminous flat of described adopting surface mounted LED light emitting diode and a described positive source circuit and a described power cathode circuit form is perpendicular.
Described cannelure cross section is convex shape, described adopting surface mounted LED light emitting diode is arranged on single circuit board again by a signal controlling circuit composition lamp connected in series string, wherein adopting surface mounted LED light emitting diode is placed in the upper space in convex shape groove, and single circuit board is placed in the lower space in convex shape groove.
On described single circuit board, contain a positive source circuit, a power cathode circuit and a signal controlling circuit, respectively with the corresponding connection of a signal controlling circuit that is arranged on positive source circuit on internal layer pedestal and a power cathode circuit and is connected single circuit board.
Described single wire transmission drive control chip is the single wire transmission drive control chip that carries PWM.
Described single wire transmission drive control chip has the deixis of reporting an error, when chip makes a mistake, and chip output error index signal.
Between described LED cord lamp, be by connecting needle, to thrust a described positive source circuit, a described power cathode circuit and a described signal controlling circuit to be electrically connected, at junction overcoat sleeve pipe, and fill with fluid sealant at sleeve pipe and lamp body seam crossing.
As can be seen from the above technical solutions, the present invention has following beneficial effect:
1, in cord lamp, add single wire transmission drive control chip, by single wire transmission drive control chip, directly control single led lumination of light emitting diode, the color change that can make cord lamp show is various, thereby makes decorative effect better.
2, single wire transmission drive control chip, signal controlling circuit only has one, and joint is one-in-and-one-out, and connector quantity is few, and reliability is high; Single wire transmission drive control chip reduces greatly than traditional driving control chip volume, and connection line is simple, makes pcb board can be designed into minimum, and cord lamp integral body is also very small and exquisite.
Accompanying drawing explanation
Fig. 1 is schematic appearance of the present invention;
Fig. 2 for for cord lamp lamp body of the present invention can cutting schematic diagram;
Fig. 3 is paster history LED light-emitting diodes pipe mounting structure exploded view of the present invention;
Fig. 4 is that in Fig. 3, luminescence unit turns over the enlarged drawing after turnback;
Fig. 5 is pcb board circuit diagram of the present invention.
The specific embodiment
Fig. 1 is finished product assembly drawing of the present invention, comprises power connection 1, power supply changeover device 2, the female joint being connected with the lamp body 6a being comprised of some LED luminescence units 7 and male joint 4, positive source circuit 5a, power cathode circuit 5b, signal controlling circuit 5c, is used for expanding taper contact pin 8 and the plastic bushing 9a of the hangnail of lamp body 6a.Positive source circuit 5a, power cathode circuit 5b and signal controlling circuit 5c be the circuit for being made by copper cable all, a wherein said positive source circuit 5a and a described power cathode circuit 5b are by making containing more than 2 or 2 multiply copper tree laces, and a described signal controlling circuit 5c is made by the sub-thread copper stranded conductor containing 1.In LED luminescence unit, comprise by pcb board and be arranged on LED light emitting diode and the single wire transmission drive control chip on pcb board, LED luminescence unit and a positive source circuit 5a and a power cathode circuit 5b are electrically connected, and by signal controlling circuit 5c input control signal in the single wire transmission drive control chip in luminescence unit 7, by chip, directly driven the LED lumination of light emitting diode of controlling in luminescence unit 7.Required DC voltage when power supply changeover device 2 is used for converting civil power to LED luminescence unit 7 work, the contact pin of lamp body 6a by the two ends of male joint 4 thrusts respectively in a positive source circuit 5a after power supply changeover device 2 and a power cathode circuit 5b and is electrically connected to, and connecing the place of meeting interpolation fluid sealant.Put again female joint 3 and make water-proofing treatment.A signal controlling circuit 5c is connected with external control system, and by control system input control signal.In order to increase the length of lamp body part; power positive cathode line and signal control line that the contact pin at the two ends of the taper contact pin 8 of available hangnail thrusts respectively lamp body 6a and lamp body 6b are electrically connected; in junction, add that plastic bushing 9a protection electrical contact is good, with the method, just can make the lamp body of user's Len req.Wherein plastic bushing 9b is be connected with a next lamp body part of the plastic bushing 9a that will use of lamp body 6b.
With reference to Fig. 2,, a LED cord lamp, because some luminescence unit 7a, 7b, 7c, 7d etc. are parallel between two power line 5a, 5b by a signal controlling circuit 5c series connection again, signal controlling circuit 5c and two power line 5a, 5b are multiply copper stranded conductor, therefore, can use scissors 15, this LED cord lamp of position cutting between every two unit, supplies with the use occasion of different length.Between two LED cord lamps, also can mutually refute and connect by taper contact pin, or LED cord lamp be connected with power supply by taper contact pin.
With reference to Fig. 3 and Fig. 4, internal layer pedestal 11 in LED cord lamp contains a positive source circuit 5a and a power cathode circuit 5b, along internal layer pedestal 11 axis directions, having a cannelure 16 paralleling with power line 5a and 5b, the cross section of this cannelure 16 is convex shape.Each luminescence unit 7 comprises installs LED light emitting diode 13 and single wire transmission drive control chip 12 on pcb board 14, pcb board 14.LED light emitting diode 13 is adopting surface mounted LED light emitting diode, and LED light emitting diode is the surface-mounted LED light emitting diode by long molecular link polymer encapsulated; Also can be the wafer of the emitting led light emitting diode of un-encapsulated; Or the packing colloid of LED light emitting diode is arranged to the cubical LED light emitting diode of flat.Single wire transmission drive control chip 12 is for carrying PWM (Pulse width modulation, pulsewidth modulation, a kind of analog signal level is carried out to digitally coded method) single wire transmission drive control chip, signal all can be from encoding and decoding through every grade of chip, and multi-plate chip cascade signal is undamped.Described some luminescence units are by a signal controlling circuit 5c composition lamp connected in series string, and the plane that the light-emitting area of the LED light emitting diode 13 in luminescence unit 7 and described two power positive cathode circuits form is perpendicular, wherein adopting surface mounted LED light emitting diode is placed in the upper space in convex shape groove, single circuit board is placed in the lower space in convex shape groove, in the plane paralleling in the light-emitting area with LED light emitting diode, namely in the parallel plane of the light-emitting area of LED cord lamp lamp body, completely freely moulding.In described single pcb board, all contain a positive source circuit, a power cathode circuit and a signal controlling circuit, a described positive source circuit and a described power cathode circuit respectively with a positive source circuit 5a in internal layer pedestal, a corresponding electrical connection of power cathode circuit 5b, a described signal controlling circuit 5c interconnects some luminescence units to form lamp string.In the cord lamp that connects and place, parallel electrical connection between luminescence unit, in luminescence unit, single wire transmission drive control chip 12 is connected in series by signal controlling circuit 5c with the single wire transmission drive control chip in adjacent luminescence unit.Finally on described internal layer pedestal 11, through extrusion, process, wrap up the clad 10 of one deck printing opacity completely.
With reference to figure 5, on pcb board 14, be provided with LED light emitting diode 13 and single wire transmission drive control chip 12, LED light emitting diode 13 comprises red LED light emitting diode R, green LED light emitting diode G and blue led light emitting diode B, connects respectively with resistance R 1, R2, R3; Pcb board 14 is provided with a positive source circuit 5a, is directly connected with LED light emitting diode 13; A power cathode circuit 5b, is connected with single wire transmission drive control chip 12; A signal controlling circuit 5c input control signal is to single wire transmission drive control chip 12, luminous by the direct driving LED light emitting diode 13 of single wire transmission drive control chip 12.Single wire transmission drive control chip 12 also has the deixis of reporting an error, and can between single wire transmission drive control chip 12 and power cathode circuit 5a, be provided with the indicator lamp 17 that reports an error, and indicator lamp 17 is connected with R4; When single wire transmission drive control chip 12 makes a mistake, single wire transmission drive control chip 12 can send error indication signal, and the error indication signal that the indicator lamp 17 that reports an error receives from chip 12 reports an error.
The above embodiment is only used for illustrating the present invention, but is not limited to this.Do not departing under the condition of the present invention design, affiliated technical field personnel can make suitable change and adjustment, and within these change and adjustments also should include claim protection domain of the present invention in.
Claims (1)
1. a LED cord lamp, comprises an internal layer pedestal, is arranged on some luminescence units and a printing opacity clad on internal layer pedestal; Described internal layer pedestal contains a positive source circuit and a power cathode circuit, and is arranged in internal layer pedestal along axis direction; It is characterized in that: described luminescence unit comprises pcb board and is arranged on LED light emitting diode and the single wire transmission drive control chip on pcb board; Described single wire transmission drive control chip, by a signal controlling circuit input control signal, directly drives and controls described LED lumination of light emitting diode; On single pcb board, contain a positive source circuit, a power cathode circuit and a signal controlling circuit, respectively with the corresponding connection of a signal controlling circuit that is arranged on positive source circuit on internal layer pedestal and a power cathode circuit and is connected single pcb board; Described single wire transmission drive control chip is the single wire transmission drive control chip that carries PWM; Described single wire transmission drive control chip has the deixis of reporting an error, when chip makes a mistake, and chip output error index signal;
Described internal layer pedestal is provided with a cannelure along axis direction, and described luminescence unit is placed in cannelure, be connected with a described power cathode line electricity with a described positive source circuit, and connected in series by a described signal controlling circuit;
Described LED light emitting diode is adopting surface mounted LED light emitting diode; Described adopting surface mounted LED light emitting diode is that the packing colloid of LED light emitting diode is arranged to the cubical LED light emitting diode of flat; The plane that the luminous flat of described adopting surface mounted LED light emitting diode and a described positive source circuit and a described power cathode circuit form is perpendicular; Described cannelure cross section is convex shape, described adopting surface mounted LED light emitting diode is arranged on single pcb board again by a signal controlling circuit composition lamp connected in series string, wherein adopting surface mounted LED light emitting diode is placed in the upper space in convex shape groove, and single pcb board is placed in the lower space in convex shape groove; Between described LED cord lamp, be by connecting needle, to thrust a described positive source circuit, a described power cathode circuit and a described signal controlling circuit to be electrically connected, at junction overcoat sleeve pipe, and fill with fluid sealant at sleeve pipe and lamp body seam crossing; And, in the cord lamp that connects and place, parallel electrical connection between luminescence unit, single wire transmission drive control chip in luminescence unit in single wire transmission drive control chip and adjacent luminescence unit is connected in series by signal controlling circuit, finally on described internal layer pedestal, through extruding, process, wrap up the clad of one deck printing opacity completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810116362.1A CN101625088B (en) | 2008-07-09 | 2008-07-09 | LED cord lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810116362.1A CN101625088B (en) | 2008-07-09 | 2008-07-09 | LED cord lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625088A CN101625088A (en) | 2010-01-13 |
| CN101625088B true CN101625088B (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810116362.1A Active CN101625088B (en) | 2008-07-09 | 2008-07-09 | LED cord lamp |
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| CN (1) | CN101625088B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434860A (en) * | 2011-09-16 | 2012-05-02 | 东莞华明灯具有限公司 | Lamp strip patching terminal and manufacturing method thereof |
| CN116047809A (en) * | 2021-12-10 | 2023-05-02 | Tcl华星光电技术有限公司 | Backlight and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2760390Y (en) * | 2004-07-23 | 2006-02-22 | 台山市健隆达光电科技有限公司 | LED lamp string with embedded serial transfer drive control chip |
| CN2861716Y (en) * | 2005-08-20 | 2007-01-24 | 鹤山丽得电子实业有限公司 | Inner parellel LED flexible wire light |
| CN2903665Y (en) * | 2006-05-30 | 2007-05-23 | 鹤山丽得电子实业有限公司 | Improved LED soft wire lamp |
-
2008
- 2008-07-09 CN CN200810116362.1A patent/CN101625088B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2760390Y (en) * | 2004-07-23 | 2006-02-22 | 台山市健隆达光电科技有限公司 | LED lamp string with embedded serial transfer drive control chip |
| CN2861716Y (en) * | 2005-08-20 | 2007-01-24 | 鹤山丽得电子实业有限公司 | Inner parellel LED flexible wire light |
| CN2903665Y (en) * | 2006-05-30 | 2007-05-23 | 鹤山丽得电子实业有限公司 | Improved LED soft wire lamp |
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| Publication number | Publication date |
|---|---|
| CN101625088A (en) | 2010-01-13 |
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| C14 | Grant of patent or utility model | ||
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Addressee: Zhang Li Document name: Notification of Passing Examination on Formalities |
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Inventor after: Tang Si Inventor before: Shang Song |
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Effective date of registration: 20170116 Address after: 518101 Guangdong city of Shenzhen province Baoan District Shiyan Street stone mountain village community of New Industrial District No. 4 continents Bao building 3-6 plant Patentee after: Shenzhen Ming School Au Optronics Co Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402A power Creative Park Patentee before: Beijing Zhongqing Micro-electric Tech. Co., Ltd. |