CN204145854U - What integral control circuit controlled directly drives LED illumination System - Google Patents
What integral control circuit controlled directly drives LED illumination System Download PDFInfo
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- CN204145854U CN204145854U CN201420669368.2U CN201420669368U CN204145854U CN 204145854 U CN204145854 U CN 204145854U CN 201420669368 U CN201420669368 U CN 201420669368U CN 204145854 U CN204145854 U CN 204145854U
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Abstract
The utility model provide a kind of integral control circuit control directly drive LED illumination System, include three phase full wave rectification unit and directly drive LED light device, the input side of three phase full wave rectification unit connects three-phase alternating current, the outlet side of three phase full wave rectification unit connects and directly drives LED light device, and the outlet side of three phase full wave rectification unit is held be connected LED light device by DC high-voltage output end and reference; Directly drive LED light device and include some LED circuits, the normal bright LED particle circuit unit that each LED circuit has included controlled LED particle circuit unit and connected with it; All controlled LED particle circuit unit in a LED circuit be all connected to one there is switching function directly drive on LED integral control circuit; Directly drive LED integral control circuit to be at least configured to realize following functions: the information of response input, controls conducting and the short circuit of LED particle in controlled LED particle circuit unit.
Description
Technical field
The utility model relates to field of LED illumination, and what particularly relate to the control of a kind of integral control circuit directly drives LED illumination System.
Background technology
Light-emitting diode is referred to as LED.The diode be made up of the compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N) etc., can give off visible ray, thus can be used for making light-emitting diode when electronics and hole-recombination.As indicator light in circuit and instrument, or form word or numerical monitor.Gallium arsenide diode glows, gallium phosphide diode green light, silicon carbide diode Yellow light-emitting low temperature, gallium nitride diode blue light-emitting.Because chemical property divides again Organic Light Emitting Diode OLED and inorganic light-emitting diode LED.
LED is widely used in road lighting as the advanced luminescent device of one, but it is all adopt single phase alternating current (A.C.) mains-supplied that existing LED street lamp illuminator drives, such as single phase alternating current (A.C.) civil power, this single phase alternating current (A.C.) city electrically driven (operated) LED road lighting technology has two obvious shortcomings, the drive current of first road high-power illumination system is large, and required electric wire cost is high; It two is that the driving power efficiency comparison of LED lamp is low, is generally only about 90%.
Utility model content
The technical problems to be solved in the utility model how to reduce the cost of road LED illuminating street lamp, improves driving power efficiency.
In order to solve this technical problem, the utility model provide a kind of integral control circuit control directly drive LED illumination System, include three phase full wave rectification unit and directly drive LED light device, the input side of described three phase full wave rectification unit connects three-phase alternating current, the outlet side of described three phase full wave rectification unit connects and describedly directly drives LED light device, and the outlet side of described three phase full wave rectification unit holds GND to be connected described LED light device by DC high-voltage output end VH and reference.
Described LED light device of directly driving includes some LED circuits, the normal bright LED particle circuit unit that each described LED circuit has included at least two controlled LED particle circuit units and connected with it;
All described controlled LED particle circuit unit in a described LED circuit be all connected to one there is switching function directly drive on LED integral control circuit;
The described LED integral control circuit that directly drives at least is configured to realize following functions:
The information of response input, controls conducting and the short circuit of LED particle in described controlled LED particle circuit unit.
Each described controlled LED particle circuit unit includes a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.
Described LED light device of directly driving comprises a substrate, and some described LED circuits are all located on described substrate, and some described LED circuits are held between GND with being parallel to described high-voltage output end VH and reference.
Described LED light device of directly driving comprises at least two high direct voltage driving LED modules, all comprises a described LED circuit in each described high direct voltage driving LED module, and each high direct voltage driving LED module correspondence is arranged on one independently on substrate.
Some described high direct voltage driving LED modules in parallel in described high-voltage output end VH and with reference to hold between GND.
The described LED integral control circuit that directly drives also is configured to realize following functions:
Transient current according to load in described LED circuit controls the conducting of LED particle in described controlled LED particle circuit unit and short circuit.
The quantity of described three phase full wave rectification unit is one, if described quantity of directly driving LED light device is at least two, then at least two described LED light device of directly driving are held between GND with being parallel to described DC high-voltage output end VH and reference.
Quantity and the described quantity of directly driving LED light device of described three phase full wave rectification unit match, and the outlet side of each described three phase full wave rectification unit connects one respectively and describedly directly drives LED light device.
Describedly directly drive the dimming function that LED integral control circuit has PWM and 0-10V.
Each described normal bright LED particle circuit unit includes a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.
Described LED particle string electronic circuit comprises the LED particle of some series aiding connections.
Described directly driving in LED integral control circuit is configured with Anti-surging structure respectively with outer.
In the utility model, three phase full wave rectification unit carries out full-wave rectification to the three phase mains of electric main, obtains the high direct voltage VH containing certain ripple component, this high direct voltage as the power supply directly driving LED light device,
Thus make the utility model possess following positive effect:
1) there is the features such as LED drive power efficiency is high, power factor is high, harmonic distortion is little, reliability is high, light stroboscopic resistant characteristic is good, cost is low.
2) high direct voltage drives and directly drives LED light device, and the electric current flowing through the electric wire of roadway lighting system is little especially, and cable cost is reduced greatly.
3) realize removing power supply, reduce driving power quality problem.LED illumination can be realized by the direct drive integrated circult of interchange and a small amount of peripheral components to drive.
4) extend the life-span of LED, reduce the cost of LED simultaneously, be conducive to promoting the application of directly driving LED light device, contribute for energy-conservation.
Furthermore, the utility model utilizes and directly drives LED integral control circuit carries out conducting and disconnection control to controlled LED particle circuit unit, with the change utilizing the change of load to cater to alternating current curve, possesses following useful effect:
1) drive efficiency is high;
2) dimming function can be with;
3) excess temperature is with, overvoltage, overcurrent protection;
4) there is no electric capacity, inductance, disturb without EMI.
Furthermore, the utility model only adopts one directly to drive LED integral control circuit when controlling and controls all controlled LED particle circuit unit in LED circuit, adopt the mode of this centerized fusion, its components and parts adopted are less, and the probability of inefficacy is also low.
Accompanying drawing explanation
Fig. 1 is the confession electrical schematic of directly driving LED illumination System that in the utility model embodiment 1 and embodiment 2, integral control circuit controls;
Fig. 2 is the confession electrical schematic of directly driving LED illumination System that in the utility model embodiment 3 and embodiment 4, integral control circuit controls;
Fig. 3 is the circuit diagram of LED circuit unit module in the utility model embodiment 1 and embodiment 3;
Fig. 4 is the connection diagram of high direct voltage driving LED module in the utility model embodiment 2 and embodiment 4;
Fig. 5 is the layout schematic diagram directly driving LED integral control circuit all adopted in the utility model embodiment 1 to 4.
Embodiment
The LED illumination System of directly driving that the integral control circuit that the utility model provides controls is described in detail by four embodiments below with reference to Fig. 1 to Fig. 5, it is the utility model four optional embodiments, can think, those skilled in the art, in the scope not changing the utility model spirit and content, can modify to it and polish.
Please refer to Fig. 5, and composition graphs 1 and Fig. 2, the LED illumination System of directly driving that the integral control circuit that all embodiments of the present utility model provide controls has included three phase full wave rectification unit and has directly driven LED light device, the input side of described three phase full wave rectification unit connects three-phase alternating current, the outlet side of described three phase full wave rectification unit connects and describedly directly drives LED light device, and the outlet side of described three phase full wave rectification unit holds GND to be connected described LED light device by DC high-voltage output end VH and reference;
In the utility model, three phase full wave rectification unit carries out full-wave rectification to the three phase mains of electric main, obtains the high direct voltage VH containing certain ripple component, this high direct voltage as the power supply directly driving LED light device,
Thus make the utility model possess following positive effect:
1) there is the features such as LED drive power efficiency is high, power factor is high, harmonic distortion is little, reliability is high, light stroboscopic resistant characteristic is good, cost is low.
2) high direct voltage drives and directly drives LED light device, and the electric current flowing through the electric wire of roadway lighting system is little especially, and cable cost is reduced greatly.
3) realize removing power supply, reduce driving power quality problem.LED illumination can be realized by the direct drive integrated circult of interchange and a small amount of peripheral components to drive.
4) extend the life-span of LED, reduce the cost of LED simultaneously, be conducive to promoting the application of directly driving LED light device, contribute for energy-conservation.
Described LED light device of directly driving includes some LED circuits, and each described LED circuit has included at least two controlled LED particle circuit units; Controlled LED particle circuit unit is preferably mutually series connection, all described controlled LED particle circuit unit in a described LED circuit be all connected to one there is switching function directly drive on LED integral control circuit;
The described LED integral control circuit that directly drives at least is configured to realize following functions:
The information of response input, controls conducting and the short circuit of LED particle in described controlled LED particle circuit unit.When the switch that closed pair is answered, corresponding controlled LED particle circuit unit short circuit can be made, open, then can realize the conducting of corresponding controlled LED particle circuit unit circuit.
Furthermore, the described LED integral control circuit that directly drives also is configured to realize following functions:
Transient current according to load in described LED circuit controls the conducting of LED particle in described controlled LED particle circuit unit and short circuit.Its value is remained in a particular range preset.The effect of constant current can be played by the change of LED quantity.
Specifically, also configurable sampling resistor Rs in all embodiments, it is the current sample section of directly driving LED integral control circuit, can in order to regulate the electric current of particle string; When system power is high time, the MOS switch directly driven in LED integral control circuit can be out external, makes the stability of integrated circuit higher; Directly driving LED integral control circuit can with the dimming function of PWM and 0-10V; Visible, the described LED integral control circuit that directly drives includes MOS switch and control module, and described control module is connected with a controlled LED particle circuit unit respectively by a MOS switch, and sampling resistor Rs two ends connect described control module and GND respectively.Described directly driving in LED integral control circuit is configured with Anti-surging structure respectively with outer, also can be referred to as Surge Protector surge protector, lightning arrester etc.
Adopt the mode of this centerized fusion, its components and parts adopted are less, and the probability of inefficacy is also low.Considering the difference of single-phase voltage and three-phase voltage when configuring, preferred disposition high voltage bearingly can directly drive LED integral control circuit, so the integrated circuit that in prior art, those are applied to single phase circuit can not use wherein.
The utility model utilizes and directly drives LED integral control circuit carries out conducting and disconnection control to controlled LED particle circuit unit, with the change utilizing the change of load to cater to alternating current curve, possesses following useful effect:
1) drive efficiency is high;
2) dimming function can be with;
3) excess temperature is with, overvoltage, overcurrent protection;
4) there is no electric capacity, inductance, disturb without EMI.
Furthermore, the utility model only adopts one directly to drive LED integral control circuit when controlling and controls all controlled LED particle circuit unit in LED circuit, adopt the mode of this centerized fusion, its components and parts adopted are less, and the probability of inefficacy is also low.
In following all embodiments, each described LED circuit also comprises the normal bright LED particle circuit unit of connecting with described controlled LED particle circuit unit, and each described normal bright LED particle circuit unit includes a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.The introducing of normal bright LED particle circuit unit, contributes to eliminating stroboscopic, reaches more stable illumination light.If controlled LED particle circuit unit is not less than two, then it is also cascaded.Described normal bright LED particle circuit unit comprises a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.Same, described controlled LED particle circuit unit comprises a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.Described LED particle string electronic circuit wherein comprises the LED particle of some series aiding connections.
It is to be noted; in the utility model; only can not define normal bright LED particle circuit unit and controlled LED particle circuit unit from circuit; but should from the angle of effect; in other alternative-embodiments; if be configured with the effect of directly driving LED particle circuit unit that LED integral control circuit directly drives LED integral control circuit and keeping Chang Liang from start to finish; also can be regarded as normal bright LED particle circuit unit, integrated circuit can not be configured with because of it and just think it not in protection range of the present utility model simply.
In addition, Fig. 5 just schematically shows normal bright LED particle circuit unit, controlled LED particle circuit unit and directly drives annexation and the supply power mode of LED integral control circuit, should be considered as by the utility model through a three phase rectifier unit is simply a situation of directly driving LED light device and powering, and concrete supply power mode is launched in the following description to some extent.
Embodiment 1
Please refer to Fig. 1, Fig. 3 and Fig. 5, the present embodiment has separately done concrete improvement on the basis that above basic scheme describes.
In the present embodiment, please refer to Fig. 1, the quantity of described three phase full wave rectification unit is one, if described quantity of directly driving LED light device is at least two, then at least two described LED light device of directly driving are held between GND with being parallel to described DC high-voltage output end VH and reference.
It can regard as the supply power mode of centrally connected power supply, and three-phase alternating current for directly the drive LED light device of all parallel connections on it is powered, can reduce transmission line, save cost after a rectification unit rectification; Voltage after rectification is higher, and transmission line is comparatively thin, also can save cost; What transmit after rectification is direct current, and the line loss consumption that alternating component causes is less, can save great amount of cost further.
In the present embodiment, please refer to Fig. 3, described LED light device of directly driving comprises a substrate, and some described LED circuits are all located on described substrate, and some described LED circuits are held between GND with being parallel to described high-voltage output end VH and reference.Each lighting device needs according to power the number can selecting LED circuit in parallel.LED light device is configured to the lamp of justifying formula further by the present embodiment on the basis of the utility model basic scheme.
Embodiment 2
Please refer to Fig. 1, Fig. 4 and Fig. 5, the present embodiment has separately done concrete improvement on the basis that above basic scheme describes.
In supply power mode, the present embodiment in the same manner as in Example 1, please refer to Fig. 1, the quantity of described three phase full wave rectification unit is one, if described quantity of directly driving LED light device is at least two, then at least two described LED light device of directly driving are held between GND with being parallel to described DC high-voltage output end VH and reference.
The difference of the present embodiment and embodiment 1 is mainly, please refer to Fig. 4, described LED light device of directly driving comprises at least two high direct voltage driving LED modules, all comprise a described LED circuit in each described high direct voltage driving LED module, each high direct voltage driving LED module correspondence is arranged on one independently on substrate.Some described high direct voltage driving LED modules in parallel in described high-voltage output end VH and with reference to hold between GND.LED light device is configured to modular lamp further by the present embodiment on the basis of the utility model basic scheme.The lighting system of LED illumination System can be enriched by combination between module change, meanwhile, modular lamp its all there is some superiority at heat dispersion, power, fit on.
Embodiment 3
Please refer to Fig. 2, Fig. 3 and Fig. 5, the present embodiment has separately done concrete improvement on the basis that above basic scheme describes.
The present embodiment have employed the supply power mode different from embodiment 1 and 2, in the present embodiment, please refer to Fig. 2, quantity and the described quantity of directly driving LED light device of described three phase full wave rectification unit match, and the outlet side of each described three phase full wave rectification unit connects one respectively and describedly directly drives LED light device.
In other words, the present embodiment utilizes single three phase full wave rectification unit to be that single LED light device of directly driving carries out commutation supply voltage, thus makes three phase line phase equilibriums of powering to LED light device, high for electrical stability; Every lighting device is equipped with a three phase rectifier unit, also make unit to bear capacity little; In original roadnet, be generally the circuit of three-phase and four-line, without the need to again planning circuit after employing the utility model; The utility model makes wiring simplify, and saves construction cost; Existing device replacement cost utility model charged directly driven LED light device, and cable arranges and also facilitates.
With embodiment 1 similar be, in the present embodiment, please refer to Fig. 3, described LED light device of directly driving comprises a substrate, some described LED circuits are all located on described substrate, and some described LED circuits are held between GND with being parallel to described high-voltage output end VH and reference.Each lighting device needs according to power the number can selecting LED circuit in parallel.LED light device is configured to the lamp of justifying formula further by the present embodiment on the basis of the utility model basic scheme.
Embodiment 4
Please refer to Fig. 2, Fig. 4 and Fig. 5, the present embodiment has separately done concrete improvement on the basis that above basic scheme describes.
The present embodiment have employed identical supply power mode with embodiment 3, in the present embodiment, please refer to Fig. 2, quantity and the described quantity of directly driving LED light device of described three phase full wave rectification unit match, and the outlet side of each described three phase full wave rectification unit connects one respectively and describedly directly drives LED light device.
In the same manner as in Example 3, the utility model utilizes single three phase full wave rectification unit to be that single LED light device of directly driving carries out commutation supply voltage, thus makes three phase line phase equilibriums of powering to LED light device, high for electrical stability; Every lighting device is equipped with a three phase rectifier unit, also make unit to bear capacity little; In original roadnet, be generally the circuit of three-phase and four-line, without the need to again planning circuit after employing the utility model; The utility model makes wiring simplify, and saves construction cost; Existing device replacement cost utility model charged directly driven LED light device, and cable arranges and also facilitates.
Please refer to Fig. 4, in the present embodiment, described LED light device of directly driving comprises at least two high direct voltage driving LED modules, all comprises a described LED circuit in each described high direct voltage driving LED module, and each high direct voltage driving LED module correspondence is arranged on one independently on substrate.Some described high direct voltage driving LED modules in parallel in described high-voltage output end VH and with reference to hold between GND.LED light device is configured to modular lamp further by the present embodiment on the basis of the utility model basic scheme.The lighting system of LED illumination System can be enriched by combination between module change, meanwhile, modular lamp its all there is some superiority at heat dispersion, power, fit on.
Above in all embodiments, lightning Protection Design can be contained, also can not contain lightning Protection Design.
In sum, the utility model has following beneficial effect:
1, LED drive power efficiency is high, power factor is high, harmonic distortion is little, reliability is high, light stroboscopic resistant characteristic is good, cost is low.
2, lighting device is high direct voltage driving LED lighting device, and the electric current flowing through the electric wire of illuminator is little especially, and cable cost is reduced greatly.
3, LED illumination can be realized by the direct drive integrated circult of interchange and a small amount of peripheral components to drive.Power supply is removed in realization, stops driving power quality problem, reduces the cost of the whole lamp of LED, extends the life-span of the whole lamp of LED.Be conducive to the application promoting LED light device, contribute for energy-conservation.
4, components and parts are few, and failure probability is low.
5, dimming function can be with.
6, excess temperature is with, overvoltage, overcurrent protection.
7, there is no electric capacity, inductance, disturb without EMI.
Claims (11)
1. what an integral control circuit controlled directly drives LED illumination System, it is characterized in that: include three phase full wave rectification unit and directly drive LED light device, the input side of described three phase full wave rectification unit connects three-phase alternating current, the outlet side of described three phase full wave rectification unit connects and describedly directly drives LED light device, and the outlet side of described three phase full wave rectification unit holds GND to be connected described LED light device by DC high-voltage output end VH and reference;
Described LED light device of directly driving includes some LED circuits, the normal bright LED particle circuit unit that each described LED circuit has included at least two controlled LED particle circuit units and connected with it;
All described controlled LED particle circuit unit in a described LED circuit be all connected to one there is switching function directly drive on LED integral control circuit;
The described LED integral control circuit that directly drives at least is configured to realize following functions:
The information of response input, controls conducting and the short circuit of LED particle in described controlled LED particle circuit unit.
2. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: each described controlled LED particle circuit unit includes a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.
3. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: described LED light device of directly driving comprises a substrate, some described LED circuits are all located on described substrate, and some described LED circuits are held between GND with being parallel to described high-voltage output end VH and reference.
4. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: described LED light device of directly driving comprises at least two high direct voltage driving LED modules, all comprise a described LED circuit in each described high direct voltage driving LED module, each high direct voltage driving LED module correspondence is arranged on one independently on substrate.
5. what integral control circuit as claimed in claim 4 controlled directly drives LED illumination System, it is characterized in that: some described high direct voltage driving LED modules in parallel in described high-voltage output end VH and with reference to hold between GND.
6. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: the described LED integral control circuit that directly drives also is configured to realize following functions:
Transient current according to load in described LED circuit controls the conducting of LED particle in described controlled LED particle circuit unit and short circuit.
7. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: the quantity of described three phase full wave rectification unit is one, if described quantity of directly driving LED light device is at least two, then at least two described LED light device of directly driving are held between GND with being parallel to described DC high-voltage output end VH and reference.
8. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: quantity and the described quantity of directly driving LED light device of described three phase full wave rectification unit match, the outlet side of each described three phase full wave rectification unit connects one respectively and describedly directly drives LED light device.
9. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that: describedly directly drive the dimming function that LED integral control circuit has PWM and 0-10V.
10. what integral control circuit as claimed in claim 1 controlled directly drives LED illumination System, it is characterized in that each described normal bright LED particle circuit unit includes a LED particle string electronic circuit or at least two mutual LED particle string electronic circuits in parallel.
What 11. integral control circuits as described in claim 2 or 10 controlled directly drives LED illumination System, it is characterized in that: described LED particle string electronic circuit comprises the LED particle of some series aiding connections.
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| CN201420669368.2U CN204145854U (en) | 2014-11-11 | 2014-11-11 | What integral control circuit controlled directly drives LED illumination System |
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| CN201420669368.2U CN204145854U (en) | 2014-11-11 | 2014-11-11 | What integral control circuit controlled directly drives LED illumination System |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104302075A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104302073A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
-
2014
- 2014-11-11 CN CN201420669368.2U patent/CN204145854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104302075A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104302073A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
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