CN204090237U - A kind of LED lamp of series system - Google Patents
A kind of LED lamp of series system Download PDFInfo
- Publication number
- CN204090237U CN204090237U CN201420497052.XU CN201420497052U CN204090237U CN 204090237 U CN204090237 U CN 204090237U CN 201420497052 U CN201420497052 U CN 201420497052U CN 204090237 U CN204090237 U CN 204090237U
- Authority
- CN
- China
- Prior art keywords
- input
- signal
- serial shift
- control circuit
- channel switching
- Prior art date
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a kind of LED lamp of series system, comprise LED luminescence unit, serial shift controls driver element and input control unit, described input control unit comprises input and channel switching circuit and power control circuit, described serial shift controls driver element and input and channel switching circuit parallel join between signal input part and signal output part, first output of described input and channel switching circuit controls driver element by power control circuit with serial shift and then is connected with the input of LED luminescence unit.The utility model comprises input and channel switching circuit and power control circuit, when breaking down, serial signal can be switched to standby signalling channel, the input of signal is made directly to be connected with signal output part and serial signal to be outputted to next stage, effectively improve the reliability of lamp system, greatly reduce the maintenance cost of system, can field of illuminating lamps be widely used in.
Description
Technical field
The utility model relates to field of illuminating lamps, especially a kind of LED lamp of series system.
Background technology
LED has fast response time and the good advantage of controllability, coordinates the control of serial shift signal, can realize the illuminating effect of static state display or Dynamic Announce.The LED lamp of serial shift signal controlling, peripheral components is few, it controls cost low, every one-level Signal transmissions can to signal regeneration shaping, there is decay or distortion in signal when avoiding long distance signal transmission, therefore the number of nodes of its transmission is unrestricted, is often applied to large-scale light display system, its syndeton is simple, and construction cost is low.But its weak point due to signal be cascade, when some nodes damage, whole nodes of rear class can be had influence on, thus the unfailing performance of whole lamp system is reduced, increase maintenance cost, greatly limit the range of application of the LED lamp that series system controls.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is: provide a kind of reliable, maintenance cost is low, the LED lamp of series system.
The utility model solves the technical scheme that its technical problem adopts:
A kind of LED lamp of series system, comprise LED luminescence unit, serial shift controls driver element and input control unit, described input control unit comprises input and channel switching circuit and power control circuit, described serial shift controls driver element and input and channel switching circuit parallel join between signal input part and signal output part, and the first output of described input and channel switching circuit controls driver element by power control circuit with serial shift successively and then is connected with the input of LED luminescence unit.
Further, described serial shift controls driver element and comprises constant-current drive circuit and serial shift control circuit, the described input of serial shift control circuit is connected with the output of power control circuit, and the output of described serial shift control circuit is by constant-current drive circuit and then be connected with the input of LED luminescence unit; The signal data input of described serial shift control circuit and the data input pin of input end of clock and input and channel switching circuit and input end of clock are connected in parallel; The signal data output of described serial shift control circuit and the data output end of output terminal of clock and input and channel switching circuit and output terminal of clock are connected in parallel; Input end of clock, the data output end of described serial shift control circuit are also all connected with the input end of input and channel switching circuit with output terminal of clock.
Further, also comprise the space signal passage be connected with input and channel switching circuit, described alternate channel is used for serial signal to be directly connected to signal output part from signal input part.
The beneficial effects of the utility model are: comprise input and channel switching circuit and power control circuit, when serial shift controls driver element or lamp interior power failure, serial signal can be switched to standby signalling channel, the input of signal is made directly to be connected with signal output part and serial signal to be outputted to next stage, reaching individual node damage can't make rear class node all out of control, effectively improve the reliability of lamp system, greatly reduce the maintenance cost of system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structured flowchart of the LED lamp of a kind of series system of the utility model.
Embodiment
With reference to Fig. 1, a kind of LED lamp of series system, it is characterized in that: comprise LED luminescence unit 10, serial shift controls driver element 20 and input control unit 30, described input control unit 30 comprises input and channel switching circuit 31 and power control circuit 32, described serial shift controls driver element 20 and input and channel switching circuit 31 parallel join between signal input part 50 and signal output part 60, first output 315 of described input and channel switching circuit 31 passes through power control circuit 32 successively and controls driver element 20 with serial shift and then be connected with the input of LED luminescence unit 10.
With reference to Fig. 1, be further used as preferred embodiment, described serial shift controls driver element 20 and comprises constant-current drive circuit 21 and serial shift control circuit 22, the input of described serial shift control circuit 22 is connected with the output of power control circuit 32, and the output of described serial shift control circuit 22 is by constant-current drive circuit 21 and then be connected with the input of LED luminescence unit 10; Data input pin 311 and the input end of clock 312 of the signal data input 221 of described serial shift control circuit 22 and input end of clock 222 and input and channel switching circuit 31 are connected in parallel; Data output end 313 and the output terminal of clock 314 of the signal data output 223 of described serial shift control circuit 22 and output terminal of clock 224 and input and channel switching circuit 31 are connected in parallel; Input end of clock 222, the data output end 223 of described serial shift control circuit 22 are also all connected with the input end 316 of input and channel switching circuit 31 with output terminal of clock 224.
Be further used as preferred embodiment, also comprise the space signal passage be connected with input and channel switching circuit 31, described alternate channel is used for serial signal to be directly connected to signal output part 60 from signal input part 50.
Below in conjunction with specific embodiment, the present invention is described in further detail.
With reference to Fig. 1, the first embodiment of the present utility model:
LED lamp 100 comprises LED luminescence unit 10, and serial shift controls driver element 20, input control unit 30; Described serial shift controls driver element 20 and comprises constant-current drive circuit 21, serial shift control circuit 22; Described input control unit comprises input and channel switching circuit 31, power control circuit 32; The constant-current drive circuit 21 that described serial shift controls in driver element is connected with LED luminescence unit 10, makes LED produce grey scale change for providing constant current drive singal for LED; Described serial shift control circuit 22 is connected with constant-current drive circuit 21, for providing power supply and grey level signal for constant-current drive circuit.The Electric control end 315 of described serial shift control circuit 22 is connected with power control circuit 32, for controlling its Power supply; Described input and channel switching circuit 31 are connected with power control circuit 32; Data input pin 311 and the input end of clock 312 of the signal data input 221 of described serial shift control circuit 22 and input end of clock 222 and input and channel switching circuit 31 are connected in parallel; Data output end 313 and the output terminal of clock 314 of the signal data output 223 of described serial shift control circuit 22 and output terminal of clock 224 and input and channel switching circuit 31 are connected in parallel; The input end of clock 222 of serial shift control circuit, data output end 223 and output terminal of clock 224 are connected in input and channel switching circuit 31 and input port 316.
Described input control unit 30, directly outputs to signal output part 60 for serial shift signal being switched from signal input part 50 when lamp interior breaks down time.In normal state, input and channel switching circuit 31 gather the signal waveform of the signal clock input 202 of serial shift control circuit 22, signal data output 223 and signal clock output 204, and by control signal port 315 transmit control signal control power control circuit 32 power to serial shift control circuit 22, interior data and clock signal channel are in off-state simultaneously.When data output end 223 and the output terminal of clock 224 signal appearance exception of serial shift control circuit 22 time, input and channel switching circuit 31 Trig control signal, the power supply of serial shift control circuit 22 is cut off by power control circuit 32, make whole serial shift control driver element 20 to quit work, to avoid damaging circuit to the impact of output stage.Simultaneously, the data of its inside and switching clock signal are in closure state by input and channel switching circuit 31, the serial shift signal that signal input part 50 is inputted no longer controls driver element 20 through serial shift, but be directly inputted to data input pin 311 and the input end of clock 322 of input and channel switching circuit 31, export normal serial shift signal to signal output part 60 by data output end 313 and output terminal of clock 314.Input and channel switching circuit 31 also need to carry out signal sampling to the input end of clock 222 of serial shift control circuit, and object judges whether signal input part 50 has signal to input, to prevent the situation being mistaken for inefficacy.In addition, when input and channel switching circuit 31 and power control circuit 32 break down, input and channel switching circuit 31 can return to default signal switch closed condition, to ensure prime signal transmission to next stage, the situation of signal interruption to have been stopped when arbitrary device failure of LED lamp 100 inside.
Compared with prior art, the utility model comprises input and channel switching circuit and power control circuit, when serial shift controls driver element or lamp interior power failure, serial signal can be switched to standby signalling channel, the input of signal is made directly to be connected with signal output part and serial signal to be outputted to next stage, reaching individual node damage can't make rear class node all out of control, effectively improves the reliability of lamp system, greatly reduces the maintenance cost of system.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (3)
1. the LED lamp of a series system, it is characterized in that: comprise LED luminescence unit (10), serial shift controls driver element (20) and input control unit (30), described input control unit (30) comprises input and channel switching circuit (31) and power control circuit (32), described serial shift controls driver element (20) and input and channel switching circuit (31) parallel join between signal input part (50) and signal output part (60), first output (315) of described input and channel switching circuit (31) passes through power control circuit (32) successively and controls driver element (20) with serial shift and then be connected with the input of LED luminescence unit (10).
2. the LED lamp of a kind of series system according to claim 1, it is characterized in that: described serial shift controls driver element (20) and comprises constant-current drive circuit (21) and serial shift control circuit (22), the input of described serial shift control circuit (22) is connected with the output of power control circuit (32), and the output of described serial shift control circuit (22) is by constant-current drive circuit (21) and then be connected with the input of LED luminescence unit (10); Data input pin (311) and the input end of clock (312) of the signal data input (221) of described serial shift control circuit (22) and input end of clock (222) and input and channel switching circuit (31) are connected in parallel; Data output end (313) and the output terminal of clock (314) of the signal data output (223) of described serial shift control circuit (22) and output terminal of clock (224) and input and channel switching circuit (31) are connected in parallel; Input end of clock (222), the data output end (223) of described serial shift control circuit (22) are also all connected with the input end (316) of input and channel switching circuit (31) with output terminal of clock (224).
3. the LED lamp of a kind of series system according to claim 2, it is characterized in that: also comprise the space signal passage be connected with input and channel switching circuit (31), described alternate channel is used for serial signal to be directly connected to signal output part (60) from signal input part (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497052.XU CN204090237U (en) | 2014-08-29 | 2014-08-29 | A kind of LED lamp of series system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497052.XU CN204090237U (en) | 2014-08-29 | 2014-08-29 | A kind of LED lamp of series system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204090237U true CN204090237U (en) | 2015-01-07 |
Family
ID=52182901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497052.XU Active CN204090237U (en) | 2014-08-29 | 2014-08-29 | A kind of LED lamp of series system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204090237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780686A (en) * | 2015-04-20 | 2015-07-15 | 罗小华 | Power cord edge signal triggered displacement device and LED driver |
| CN112032678A (en) * | 2020-09-02 | 2020-12-04 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
-
2014
- 2014-08-29 CN CN201420497052.XU patent/CN204090237U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780686A (en) * | 2015-04-20 | 2015-07-15 | 罗小华 | Power cord edge signal triggered displacement device and LED driver |
| CN112032678A (en) * | 2020-09-02 | 2020-12-04 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
| CN112032678B (en) * | 2020-09-02 | 2022-07-01 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102984860B (en) | Light emitting diode (LED) dimming drive module, backlight module and liquid crystal display device | |
| CN102629458A (en) | Backlight circuit, backlight panel and light emitting diode driver | |
| CN103945617B (en) | A kind of LED guardrail tube control circuit and device | |
| CN204090237U (en) | A kind of LED lamp of series system | |
| WO2016123434A3 (en) | Informational traffic light system | |
| CN103137080B (en) | Light-emitting dioxide (LED) backlight drive circuit, liquid crystal display device and driving method | |
| CN105873290A (en) | LED drive chip and LED drive circuit | |
| CN204425710U (en) | Light-emitting device | |
| CN204009435U (en) | A kind of based on monolithic processor controlled multi-channel DC relay drive circuit | |
| CN201252667Y (en) | Lighting system and lighting apparatus controller | |
| CN203896541U (en) | Three-state intelligent LED lamp light control hysteresis circuit | |
| CN202435015U (en) | Power supply system | |
| CN201947514U (en) | Control circuit and light source module group | |
| CN104486887A (en) | Control device and control method of LED (light-emitting diode) lamps of ports of Ethernet exchange | |
| CN204697177U (en) | A kind of automatic switching control circuit of multi-channel video monitor | |
| CN103280192A (en) | LED (light-emitting diode) backlight driving circuit, LCD (liquid crystal display) device and driving method | |
| CN203983166U (en) | Relay drive circuit | |
| CN202565511U (en) | Programmable dimming device and illuminator using the same | |
| CN203535931U (en) | Drive circuit of LED or nixie tube | |
| CN205213072U (en) | Light emitting diode (LED) bulb | |
| CN205666048U (en) | Light -emitting diode (LED) driving circuit | |
| CN202907303U (en) | An internally-controlled LED cascade structure | |
| CN202231904U (en) | LED (Light-Emitting Diode) lamp control circuit for preventing serial signals from interruption | |
| CN101169756A (en) | Display method for using LED half intensity as item background operation state and device | |
| CN202818691U (en) | Full digitalized LED illumination system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |