CN203136244U - Illuminating apparatus applying high-voltage LED design - Google Patents
Illuminating apparatus applying high-voltage LED design Download PDFInfo
- Publication number
- CN203136244U CN203136244U CN 201320005353 CN201320005353U CN203136244U CN 203136244 U CN203136244 U CN 203136244U CN 201320005353 CN201320005353 CN 201320005353 CN 201320005353 U CN201320005353 U CN 201320005353U CN 203136244 U CN203136244 U CN 203136244U
- Authority
- CN
- China
- Prior art keywords
- led
- led light
- led lamp
- design
- lamp string
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an illuminating apparatus applying a high-voltage LED design. The illuminating apparatus comprises a single-stage PFC boost power supply, a plurality of constant-current diodes, and a plurality of LED light strings. Each of the LED light strings is connected in series with one corresponding constant-current diode to form one branch circuit; and a plurality of branch circuits are connected in parallel between an output positive terminal and an output negative terminal of the single-stage PFC boost power supply. According to the illuminating apparatus, the high-voltage output of the single-stage PFC boost power supply is connected to the LED light strings, all the LED light strings are connected in series with the corresponding constant-current diodes, and all the LED light strings are independent to each other. Therefore, problems of high cost, low input power factor and low power supply efficiency of the traditional LED device are solved; and when any LED of any LED light string fails to work, normal work of other LED light strings is not influenced.
Description
Technical field
The utility model relates to LED illuminating lamp drive circuit design field, particularly a kind of lighting device of applying high voltage LED design.
Background technology
Light-emitting diode (LED) solid light source has advantages such as luminous efficiency height, environmental protection, long-life, be described as the 5th generation lighting source.The illumination of development New LED is an important directions of present light source and lighting technology development.Led light source is in many application, and particularly replacing incandescent lamp and fluorescent lamp in extraordinary the application is trend of the times, uses as the special type that security requirements such as traffic lights, extraordinary Landscape Lighting, colliery railway are high.But at present the engineering use cost of LED is higher, and also there is certain resistance in the popularization of LED lighting source.
In the drive circuit of LED, the low-voltage LED constant-current drive technology is more, the low-voltage driving technical difficulty is petite, mainly be suitable for the LED torch, and some portable equipments, if will be applied to the occasion of 220V Alternating Current Power Supply, increase the power unit of AC/DC, lower direct voltage is provided, and this scheme can make cost improve greatly.Adopt constant-current drive technology, can obtain identical light intensity and color, the forward current of each LED that flows through is continued to be consistent, thereby hue coordinate can not be offset.By the adjusting of electric current, both can reach the purpose of light modulation, can not act on behalf of coordinate offset again.Therefore all developing constant-current drive technology at present, but the relative constant voltage drive circuit complexity of the circuit height that constant current drives, and mainly be low pressure applications; If be applied in the high pressure aspect, then must adopt the scheme of plurality of LEDs light fixture series connection, make the corresponding increase of cost equally.
Also there are some companies to release application scheme, but only are suitable for the application scenario of low pressure mostly.Because low pressure applications LED light fixture is not easy to go wrong, technical difficulty is less; To high-voltage applications, because of the LED light fixture of different capacity, its electric current of flowing through that requires is not quite similar, and when connecting as a plurality of LED light fixtures, because of the unsteadiness of electric current, causes the dissipation power of LED light fixture to become big, and the situation that burns out the LED light fixture also often takes place.
In sum, also there is a lot of weak points in prior art, awaits further improving.
The utility model content
The purpose of this utility model is the problem that prior art exists is solved, and especially solves the problem that cost height, input power factor are low, power-efficient is low of using the high-voltage LED device in the prior art.
For reaching above purpose, the utility model adopts following technical scheme to be achieved:
A kind of lighting device of applying high voltage LED design comprises: single-stage PFC booster power, a plurality of current regulator diode, a plurality of LED lamp string; Each LED lamp string corresponding current regulator diode with it of all connecting, branch road of this LED lamp string and this current regulator diode composition; A plurality of branch roads are parallel between the output plus terminal and output negative terminal of single-stage FEC booster power.
Further, the number of described current regulator diode equates with the number of LED lamp string.
Further, the LED lamp number in described each LED lamp string equates.
Further, each the LED light fixture in the described LED lamp string is the high-voltage LED light fixture.
Further, described single-stage PFC booster power comprises: lightning protection filter, rectifier bridge, PFC control module, rectifier diode, electric capacity, described lightning protection filter is connected between the input anode and input negative terminal of rectifier bridge, described rectifier diode and described capacitances in series are formed the output branch road, and described PFC control module and described output branch road are connected in parallel between the output plus terminal and output negative terminal of rectifier bridge.
The utility model provides a kind of LED matrix of applying high voltage led light source design, this device comprises single-stage PFC booster circuit, LED constant-current circuit, high-voltage LED light source, this device adopts the output of single-stage PFC booster power high pressure to connect each string high-voltage LED light source, and each string high-voltage LED adopts current regulator diode to carry out constant current, has solved traditional LED matrix cost height, input power factor is low, power-efficient is low.Each string LED adopt to adopt current regulator diode to carry out constant current, and is separate, and any any one LED in a string breaks down and can not influence the operate as normal of other strings LED.High-voltage LED uses to have solved and adopts a plurality of low-voltage LED light source series connection, and power designs is subjected to the problem of quantity of light source restriction, can design the light fixture of any power behind the use high-voltage LED arbitrarily.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the circuit diagram of the single-stage PFC booster power in the embodiment that provides of the utility model.
Fig. 3 is the physical circuit figure of the embodiment that provides of the utility model.
The drawing reference numeral explanation
1-the one LED lamp string; 11-first current regulator diode; 111-first branch road;
2-the 2nd LED lamp string; 22-second current regulator diode; 222-second branch road;
3-the 3rd LED lamp string; 33-the 3rd current regulator diode; 333-the 3rd branch road.
The 4-rectifier diode; 5-electric capacity;
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with the utility model embodiment and accompanying drawing, the technical scheme among the utility model embodiment is clearly and completely described.Need to prove that described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not paying the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, the circuit of applying high voltage LED in the centrally connected power supply system that present embodiment provides comprises: single-stage PFC booster power, a plurality of LED lamp string, a plurality of current regulator diode; Each LED lamp string corresponding current regulator diode with it of all connecting, branch road of this LED lamp string and this current regulator diode composition; A plurality of branch roads are parallel between the output plus terminal and output negative terminal of single-stage FEC booster power; The number of described current regulator diode equates with the number of LED lamp string; LED lamp number in described each LED lamp string equates.Each LED light fixture in the described LED lamp string is the high-voltage LED light fixture.
As shown in Figure 2, described single-stage PFC booster power comprises: lightning protection filter, rectifier bridge, PFC control module, rectifier diode, electric capacity, described lightning protection filter is connected between the input anode and input negative terminal of rectifier bridge, described rectifier diode and described capacitances in series are formed the output branch road, and described PFC control system and described output branch road are connected in parallel between the output plus terminal and output negative terminal of rectifier bridge.
Be the better new technology that illustrates that the utility model brings, as shown in Figure 3, preferred three the LED lamp strings of present embodiment and three current regulator diodes are defined as a LED lamp string 1, the 2nd LED lamp string 2, the 3rd LED lamp string 3, first current regulator diode 11, second current regulator diode 22 and the 3rd current regulator diode 33 at this; First branch road 111 is formed in the one LED lamp string 1 and 11 series connection of first current regulator diode; Second branch road 222 is formed in the 2nd LED lamp string 2 and 22 series connection of second current regulator diode; The 3rd branch road 333 is formed in the 3rd LED lamp string 3 and 33 series connection of the 3rd current regulator diode; Described first branch road 111, second branch road 222 and the 3rd branch road 333, its three is connected between the output plus terminal and output negative terminal of the one pole PFC booster power that present embodiment provides.
As shown in Figure 3: single-stage PFC booster circuit with civil power AC220V by active PFC correcting technology and PWM control technology, output voltage is increased to direct current 400V, and the power factor of power supply input can be increased to more than 0.95, the output of single-stage PFC power supply connects high-voltage LED series connection current regulator diode respectively, for example use 50V, the 1W LED particle of 20mA, 8 light sources of connecting just can reach 400V voltage, the characteristic of constant current when working according to LED, in each string LED, seal in the current regulator diode of a 20mA, make this string LED current constant at 20mA, guarantee the life-span of LED work.According to the requirement of Design of Luminaires power, the LED of corresponding quantity in parallel string.
Compared with prior art, the utility model provides a kind of LED matrix of applying high voltage led light source design, this device comprises single-stage PFC booster circuit, LED constant-current circuit, high-voltage LED light source, this device adopts the output of single-stage PFC booster power high pressure to connect each string high-voltage LED light source, and each string high-voltage LED adopts current regulator diode to carry out constant current, has solved traditional LED matrix cost height, input power factor is low, power-efficient is low.Each string LED adopt to adopt current regulator diode to carry out constant current, and is separate, and any any one LED in a string breaks down and can not influence the operate as normal of other strings LED.High-voltage LED uses to have solved and adopts a plurality of low-voltage LED light source series connection, and power designs is subjected to the problem of quantity of light source restriction, can design the light fixture of any power behind the use high-voltage LED arbitrarily.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. the lighting device of an applying high voltage LED design is characterized in that, comprising: single-stage PFC booster power, a plurality of current regulator diode, a plurality of LED lamp string; Each LED lamp string corresponding current regulator diode with it of all connecting is formed a branch road; A plurality of branch roads are parallel between the output plus terminal and output negative terminal of single-stage FEC booster power.
2. the lighting device of applying high voltage LED according to claim 1 design, it is characterized in that: the number of described current regulator diode equates with the number of LED lamp string.
3. the lighting device of applying high voltage LED according to claim 1 design, it is characterized in that: the LED lamp number in described each LED lamp string equates.
4. the lighting device of applying high voltage LED according to claim 1 design, it is characterized in that: each the LED light fixture in the described LED lamp string is the high-voltage LED light fixture.
5. the lighting device of applying high voltage LED according to claim 1 design, it is characterized in that: described single-stage PFC booster power comprises: lightning protection filter, rectifier bridge, PFC control module, rectifier diode, electric capacity, described lightning protection filter is connected between the output plus terminal and output negative terminal of rectifier bridge, and described PFC control module is connected between the input anode and input negative terminal of rectifier bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005353 CN203136244U (en) | 2013-01-06 | 2013-01-06 | Illuminating apparatus applying high-voltage LED design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005353 CN203136244U (en) | 2013-01-06 | 2013-01-06 | Illuminating apparatus applying high-voltage LED design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203136244U true CN203136244U (en) | 2013-08-14 |
Family
ID=48944174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320005353 Expired - Fee Related CN203136244U (en) | 2013-01-06 | 2013-01-06 | Illuminating apparatus applying high-voltage LED design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203136244U (en) |
-
2013
- 2013-01-06 CN CN 201320005353 patent/CN203136244U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205320350U (en) | LED (Light emitting diode) driving power | |
| CN206212357U (en) | A kind of intelligent LED drive circuit | |
| CN203504821U (en) | Light adjustment type LED constant current driving power supply | |
| CN205584551U (en) | Active passive compatible dimmer circuit of LED1 -10V | |
| CN201170520Y (en) | Efficient energy-saving lamp | |
| CN204206584U (en) | LED light modulation toning circuit and LED lamp | |
| CN204231697U (en) | A kind of three-phase electricity rectification LC height PF filtering high direct voltage directly drives LED circuit | |
| CN201114877Y (en) | Current-constant LED lamp circuit | |
| CN207603953U (en) | A kind of compatible silicon controlled light modulation toning LED drive circuit of the High Power Factor without stroboscopic | |
| CN2831680Y (en) | Direct high voltage power supplied series LED constant current driving circuit | |
| CN203136244U (en) | Illuminating apparatus applying high-voltage LED design | |
| CN203039985U (en) | A LED change-over switch circuit using AC sectional driving technology | |
| CN203136230U (en) | Circuit applying high-voltage LED in centralized power supply system | |
| CN210491278U (en) | Color and light adjusting device for parallel operation of multiple LED high-power driving modules | |
| CN204240206U (en) | A kind of Novel LED street lamp module | |
| CN204005622U (en) | The LED street lamp of garden common source | |
| TWI542247B (en) | Applicable for different voltage source of the light-emitting diode device | |
| CN109561532A (en) | A kind of high voltage direct current LED constant current circuit | |
| CN102665338A (en) | Light emitting diode (LED) driving power module used for silicon controlled regulating circuit | |
| CN207219119U (en) | A kind of HVDC LED constant current circuit | |
| CN207692095U (en) | A kind of energy-saving LED illumination adjuster | |
| CN203761660U (en) | Light-emitting diode contour lamp system | |
| CN204104188U (en) | A kind of LED lamp | |
| CN203618187U (en) | Boosted circuit of constant current boosted power source of LED energy-saving lamp | |
| CN202660389U (en) | High-voltage light emitting diode (LED) outdoor lighting lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Illuminating apparatus applying high-voltage LED design Effective date of registration: 20140327 Granted publication date: 20130814 Pledgee: Guangdong Nanpu Leasing Co. Ltd. Pledgor: AD-Toyo Lighting (Guangzhou) Co., Ltd. Registration number: 2014440000004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160106 |