CN202435662U - LED (Light-Emitting Diode) decorative lamp - Google Patents
LED (Light-Emitting Diode) decorative lamp Download PDFInfo
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- CN202435662U CN202435662U CN2011205343419U CN201120534341U CN202435662U CN 202435662 U CN202435662 U CN 202435662U CN 2011205343419 U CN2011205343419 U CN 2011205343419U CN 201120534341 U CN201120534341 U CN 201120534341U CN 202435662 U CN202435662 U CN 202435662U
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- lamp
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Abstract
The utility model discloses an LED (Light-Emitting Diode) decorative lamp which is provided with two or more groups of lamp strings with the following structure that each group of lamp strings is provided with an independent PWM (Pulse Width Modulation) constant current/constant voltage output parallel LED driving module with a built-in or an external address memory and a plurality of single/multiple channel series LED driving output control modules; the single/multiple channel series LED driving output control modules are connected with the series lamp strings; and the LED gray level of each series lamp string is controlled by the PWM constant current/constant voltage output parallel LED driving module and the single/multiple channel series LED driving output control modules in the corresponding group of lamp strings. Each group of lamp strings is provided with the independent PWM constant current/constant voltage output parallel LED driving module, so that when the PWM constant current/constant voltage output parallel LED driving module, the single/multiple channel series LED driving output control modules or loops in the modules in a certain group of lamp strings are damaged, the normal work of the next group of lamp strings cannot be influenced.
Description
Technical field
The utility model relates to a kind of LED decorative lamp, the especially a kind of LED decorative lamp that can control its luminous tube gray scale.
Background technology
At present, in existing LED lamp string and array-type LED decorative lamp, the structure that needs its lamp string flicker of control, brightness to change; It often appears at certain control module damage in the lamp string easily; All lamp strings that promptly cause being connected on its downside all can not normally use, and therefore, how to provide a kind of structure more reasonable; Avoid the normal lamp string structure that uses of follow-up lamp string as far as possible, become an important topic.
In addition, at present, often adopt baroque tabular screen as the structures such as display screen of array of display, its complex structure, cost is high, safeguards and install trouble.
The utility model content
In order to solve existing the problems referred to above, the purpose of the utility model be to provide a kind of control effective, reduce interactional LED decorative lamp.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of LED decorative lamp has the lamp string of two groups or above following structure,
Every group of lamp string includes control module,
The input of control module is connected with power input line, earth connection and signal, address date incoming line, and output has many Series lamp strings that are in series by a plurality of LED luminous tubes;
Control module comprises that a band PWM constant current/constant voltage output-parallel LED driver module and an a plurality of list/multichannel series LED built-in or external addressed memory drive output control module; A plurality of lists/multichannel series LED drives between the output control module through the FPDP series connection
The input of the band PWM constant current/constant voltage output-parallel LED driver module of built-in or external addressed memory connects power input line, earth connection and signal, address date incoming line; Data output end connects first list/multichannel series LED and drives output control module
Each channel output end that each list/multichannel series LED drives output control module is connected with an above-mentioned Series lamp string that is in series by a plurality of LED luminous tubes; Every Series lamp string is connected between the LED control signal PWM port of power line and list/multichannel series LED driving output control module
Drive the LED gray scale of every Series lamp string of output control module control place lamp string through band PWM constant current/constant voltage output-parallel LED driver module in every group of lamp string and list/multichannel series LED.
Series lamp string on each group lamp string is prolonged type arranges, and forms the longitudinal type decorative chain, forms vertical strip light string.
Described decorative chain has many, arranges side by side, forms the decorative lamp array that is made up of many decorative chains, can be used as array and shows that decoration uses.
Each LED luminous tube constitutes an independent luminous point, and is simple in structure, with low cost.
Each LED luminous tube is covered with astigmatism body, and result of use is good.
The extension bar lamp string of described lamp string for connecting and hang from above through electric wire, with low cost, installation, easy to maintenance.
Band PWM constant current/constant voltage output-parallel LED driver module is the single-wire drive module.
It is that single line transmission multi-channel LED drives output control module that list/multichannel series LED drives output control module.
It is that single line transmission triple channel LED drives output control module that said list/multichannel series LED drives output control module.
Preferably; Described band PWM constant current/constant voltage output-parallel LED driver module built-in or external addressed memory has LED control signal PWM port; Can practice thrift a list/multichannel series LED driving output control module so that himself have the effect of control lamp string.
The beneficial effect of the utility model is: independently be with PWM constant current/constant voltage output-parallel LED driver module owing to having on every group of lamp string; When band PWM constant current/constant voltage output-parallel LED driver module, list/multichannel series LED in certain group lamp string drive output control module or the damage of loop wherein; Can not influence the operate as normal of next group lamp string; Be mainly decorating building, stage-lighting effect LED illuminator, family inside/outside LED video/information display screen and design; The LED illuminator that is suitable for very much needs and connects; Characteristics such as the unusual operate as normal that does not influence other chips fully of some chips is compared the lamp decoration that the constant current/constant voltage chip for driving of market serial connection forms and had more reliability and fail safe, and is easy to maintenance.
Description of drawings
Below in conjunction with accompanying drawing and embodiment to this
Fig. 1 is the theory diagram of the utility model;
Fig. 2 is the circuit theory diagrams that do not connect the LED luminous tube in every group of lamp string of the utility model;
Fig. 3 is the best user mode sketch map of the utility model.
Embodiment
With reference to Fig. 1, Fig. 2, a kind of LED decorative lamp of the utility model has the lamp string of two groups or above following structure,
Every group of lamp string includes control module,
The input of control module is connected with power input line VCC, earth connection GND and signal, address date incoming line DAI, and output has many Series lamp strings that are in series by a plurality of LED luminous tubes;
The input of the band PWM constant current/constant voltage output-parallel LED driver module of built-in or external addressed memory connects power input line VCC, earth connection GND and signal, address date incoming line DAI; Data output end connects first list/multichannel series LED and drives output control module 11
Each channel output end that each list/multichannel series LED drives output control module 11 is connected with an above-mentioned Series lamp string that is in series by a plurality of LED luminous tubes; Every Series lamp string is connected between the LED control signal PWM port of power line and list/multichannel series LED driving output control module 11
Drive the LED gray scale of every Series lamp string of output control module control place lamp string through band PWM constant current/constant voltage output-parallel LED driver module in every group of lamp string and list/multichannel series LED.
Band PWM constant current/constant voltage output-parallel LED driver module is the single-wire drive module.
It is that single line transmission multi-channel LED drives output control module that list/multichannel series LED drives output control module.
It is that single line transmission triple channel LED drives output control module that said list/multichannel series LED drives output control module.
Described band PWM constant current/constant voltage output-parallel LED driver module built-in or external addressed memory has LED control signal PWM port.
Wherein, band PWM constant current/constant voltage output-parallel LED driver module can be constant current control mode or constant voltage control mode.Can be for descending the chip DMX512HP of function and structure as shown in Figure 2.
Chip includes time-base circuit, signal decoding module, data buffer, triple channel constant-flow driver (current value can be regulated and control by plug-in resistance), and built-in oscillator.Constant-current control circuit makes output current keep very high precision and not influenced by outer power voltage and ambient temperature etc.
Further; Have 3 and independently export drive channels (LED control signal PWM port); Each passage all can be realized independently 256 grades of PWM gray-scale Control; 256 grades of LED gray-scale Control can be under the condition that does not change the LED luminous color, realized, and constant LED drive current can be exported up to 3-60mA.Each chip is the EEPROM device outward, is used for the address of storage chip.Can be through PORT being set, the selection of PWM port controlling passage and polarity.
Its pin does
| DAI | DMX512 (1990) signal and the input of chip address data |
| REXT | Plug-in resistance is connected between REXT and the GND, is used to regulate WM1, PWM2, PWM3 output current output current Iout (mA)=35/REXT (ohm) * 1000 |
| PORT | Single channel/triple channel model selection: PWM1 when PWM1 during high level, PWM2, PWM3 respectively account for a passage low level, PWM2, PWM3 take on the same channel chip acquiescence and draw |
| PWM | Output current polarity is selected: draw on the negative sense polarity chip acquiescence during normal polarity low level during high level |
| VDD | Power input can be through serial connection current-limiting resistance |
| NC | Reserved pin |
| SCL | External EEPROM clock line |
| SDA | External EEPROM data wire |
| DAO | Data output end |
| PWM1 | The output of ruddiness PWM control signal |
| PWM2 | The output of green glow PWM control signal |
| PWM3 | The output of blue light PWM control signal |
| GND | Earth terminal |
Certainly, except said chip, also can be general single-chip microprocessor MCU, can above-mentioned functions getting final product.
List/multichannel series LED drives output control module, can be for descending the chip DMX512A of function and structure as shown in Figure 2.Chip includes time-base circuit, the signal decoding module, and data buffer, triple channel constant-flow driver (current value can be regulated and control by plug-in resistance), and built-in oscillator are supported the output polarity counter-rotating.
Its pin introduction is following:
DAI: data-in port, data input;
REXT: plug-in resistance connectivity port, plug-in resistance is connected between REXT and the GND, uses and regulates PWM1～PWM3 out-put supply;
PORT: the channel selecting port, single channel/triple channel model selection: PWM1 during (SOP8 joint sealing: in be changed to high level) high level, PWM2, PWM3 respectively account for a passage, and PWM1 during low level, PWM2, PWM3 take a passage (PWM1);
PWM: current polarity is selected port, and output current polarity is selected: normal polarity during high level, negative sense polarity during low level.(SOP8 joint sealing: in be changed to high level;
8VDD: chip power, power end;
DAO: data-out port, cascade signal output;
PWM1～PWM3: drive output, LED drives output;
GND: chip ground, earth terminal.
As preferred implementation, in conjunction with Fig. 1, shown in Figure 3, the Series lamp string on each group lamp string is prolonged type arranges, and forms the longitudinal type decorative chain.
Further, described decorative chain has many, arranges side by side, forms the decorative lamp array that is made up of many decorative chains, and as shown in Figure 3, it is luminous to be used to glimmer, and can carry out the displaying of various literal, pattern content according to specific program.
In addition, as preferred implementation, each LED luminous tube constitutes an independent luminous point, does not adopt three-color light-emitting with high costs.
Further, each LED luminous tube is covered with astigmatism body, and the milky astigmatism housing such as spherical shape is enclosed within outside the LED luminous tube.
Further, the extension bar lamp string of described lamp string for connecting and hang from above through electric wire, promptly this lamp string need not to use housing, connects with himself power line, holding wire, plays the effect of hanging from above, and is with low cost, easy to install.
The above is merely the preferential execution mode of the utility model, as long as realize that with basic identical means the technical scheme of the utility model purpose all belongs within the protection range of the utility model.
Claims (10)
1. LED decorative lamp is characterized in that: the lamp string of two groups or above following structure is arranged,
Every group of lamp string includes control module,
The input of control module is connected with power input line (VCC), earth connection (GND) and signal, address date incoming line (DAI), and output has many Series lamp strings that are in series by a plurality of LED luminous tubes;
Control module comprises that a band PWM constant current/constant voltage output-parallel LED driver module and an a plurality of list/multichannel series LED built-in or external addressed memory drive output control module; A plurality of lists/multichannel series LED drives between the output control module through the FPDP series connection
The input of the band PWM constant current/constant voltage output-parallel LED driver module of built-in or external addressed memory connects power input line (VCC), earth connection (GND) and signal, address date incoming line (DAI); Data output end connects first list/multichannel series LED and drives output control module
Each channel output end that each list/multichannel series LED drives output control module is connected with an above-mentioned Series lamp string that is in series by a plurality of LED luminous tubes; Every Series lamp string is connected between the LED control signal PWM port of power line and list/multichannel series LED driving output control module
Drive the LED gray scale of every Series lamp string of output control module control place lamp string through band PWM constant current/constant voltage output-parallel LED driver module in every group of lamp string and list/multichannel series LED.
2. a kind of LED decorative lamp according to claim 1 is characterized in that: the Series lamp string on each group lamp string is prolonged type arranges, and forms the longitudinal type decorative chain.
3. a kind of LED decorative lamp according to claim 2, it is characterized in that: described decorative chain has many, arranges side by side, forms the decorative lamp array that is made up of many decorative chains.
4. a kind of LED decorative lamp according to claim 1 is characterized in that: each LED luminous tube constitutes an independent luminous point.
5. a kind of LED decorative lamp according to claim 1 is characterized in that: each LED luminous tube is covered with astigmatism body.
6. according to the arbitrary described a kind of LED decorative lamp of claim 1-5, it is characterized in that: the extension bar lamp string of described lamp string for connecting and hang from above through electric wire.
7. a kind of LED decorative lamp according to claim 1 is characterized in that: band PWM constant current/constant voltage output-parallel LED driver module is the single-wire drive module.
8. according to claim 1 or 7 described a kind of LED decorative lamps, it is characterized in that: it is that single line transmission multi-channel LED drives output control module that list/multichannel series LED drives output control module.
9. a kind of LED decorative lamp according to claim 8 is characterized in that: it is that single line transmission triple channel LED drives output control module that said list/multichannel series LED drives output control module.
10. a kind of LED decorative lamp according to claim 1 is characterized in that: described band PWM constant current/constant voltage output-parallel LED driver module built-in or external addressed memory has LED control signal PWM port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205343419U CN202435662U (en) | 2011-12-19 | 2011-12-19 | LED (Light-Emitting Diode) decorative lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205343419U CN202435662U (en) | 2011-12-19 | 2011-12-19 | LED (Light-Emitting Diode) decorative lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435662U true CN202435662U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205343419U Expired - Fee Related CN202435662U (en) | 2011-12-19 | 2011-12-19 | LED (Light-Emitting Diode) decorative lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202435662U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819443A (en) * | 2015-04-08 | 2015-08-05 | 许其推 | AC LED optical engine |
| CN106385728A (en) * | 2016-08-29 | 2017-02-08 | 江门市蓬江区天利新科技有限公司 | LED lamp string address detection system and method |
| CN109067505A (en) * | 2018-07-04 | 2018-12-21 | 深圳市明微电子股份有限公司 | The acquisition methods and acquisition system of feedback information |
-
2011
- 2011-12-19 CN CN2011205343419U patent/CN202435662U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819443A (en) * | 2015-04-08 | 2015-08-05 | 许其推 | AC LED optical engine |
| CN104819443B (en) * | 2015-04-08 | 2017-09-26 | 许其推 | A kind of AC LED light engines |
| CN106385728A (en) * | 2016-08-29 | 2017-02-08 | 江门市蓬江区天利新科技有限公司 | LED lamp string address detection system and method |
| CN106385728B (en) * | 2016-08-29 | 2018-12-04 | 江门市蓬江区天利新科技有限公司 | A kind of LED light string address detection system and method |
| CN109067505A (en) * | 2018-07-04 | 2018-12-21 | 深圳市明微电子股份有限公司 | The acquisition methods and acquisition system of feedback information |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191118 Address after: 529000 Shengli Road, Pengjiang District, Jiangmen City, Guangdong Province Patentee after: Pengjiang Jiangmen Tianli New Technology Co., Ltd. Address before: 529000. Two, 602, 3, Hua Jing garden, Pengjiang District, Guangdong, Jiangmen Patentee before: Zhen Zhaowei |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20191219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |