CN109922562A - A kind of multiple-passage large power industry LED driver - Google Patents
A kind of multiple-passage large power industry LED driver Download PDFInfo
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- CN109922562A CN109922562A CN201811508375.3A CN201811508375A CN109922562A CN 109922562 A CN109922562 A CN 109922562A CN 201811508375 A CN201811508375 A CN 201811508375A CN 109922562 A CN109922562 A CN 109922562A
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 13
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- 230000009286 beneficial effect Effects 0.000 abstract 1
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- 238000009434 installation Methods 0.000 description 3
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
A kind of multiple-passage large power industry LED driver, including controlling box, the control box is that the structure formed in the upper end opening of chassis component is snapped by upper cover plate, side Air Filter is housed on the side of the chassis component, the rear surface of chassis component, which is equipped with, is used for cooling fan component, the front surface of cabinet is equipped with power input interface, LED output interface and front Air Filter, it is characterized in that, array-type LED drive module component is installed on the chassis component inner bottom surface, main power heat sink assembly is installed above array-type LED drive module component, pressure regulation unit block is installed on the main power heat sink assembly, control panel component, rectification and filter module component and communication and NTC temperature detection board group part；Compared with prior art, the beneficial effects of the present invention are: use Digital Control scheme, it can be achieved that multichannel exports, it is long-range to control, support fault detection, and small in size, it is strong to be applicable in ability, functional diversities.
Description
[technical field]
The present invention relates to field of LED drive technologies, are specifically related to a kind of multiple-passage large power industry LED driver.
[background technique]
There are mainly two types of LED drivers used in existing market: being spelled using multiple common small-power constant-current switch power sources
Dress；Prime is made using high power constant die mould Switching Power Supply, rear class uses DCDC type constant flow module.
Both application modes have the drawback that
1, digital regulated and long-range control is not supported.Common small-power switching power-supply generally supports three-in-one light modulation, it may be assumed that 0-
The analog quantity of 10V or 0-5V dims, potentiometer light modulation, PWM light modulation.No matter use which kind of dimming mode, cannot with it is wide at present
The general PLC used or DCS system connection are realized digital control.UV LED power used at present from several kilowatts to more than ten kilowatt not
Deng, the system of power 6KW or more, 15 channels outputs are generally required, i.e., each channel 400-500W uses regular tap power supply
When assembled, if you need to realize Digital Control, need that PLC expanded mode analog quantity module is used to carry out as brightness adjustment control interface and I/O module
Switch control.The complexity for increasing PLC system increases the installation and maintenance cost of system.
2, do not support fault detection: after there is LED lamp bead damage, regular tap power supply not can be carried out lamp bead detection, i.e., not
It can be carried out error protection.Current way is to carry out output voltage and current detecting by external detection plate, realizes failure indirectly
Detection function.
3, volume is big.It due to using common Switching Power Supply to install, cannot accomplish maximally utilizing for space, need to be scattered
Heat and external cabling reserved space, cause electrical system bulky.
It needs to control extension logic circuit for external logic.High-power LED chip generally uses water cooling or air blast cooling, general
Logical PLC adds the scheme of Switching Power Supply to need additional increase temperature detecting module, water flow detection module, water temperature detection module etc..
In consideration of it, it is really necessary to provide a kind of multiple-passage large power industry LED driver with overcome the deficiencies in the prior art.
[summary of the invention]
The purpose of invention is to solve the above-mentioned problems, it is intended to realize Digital Control, multichannel output is long-range to control,
It supports fault detection, reduces volume, functional diversities.
Realize above-mentioned purpose the technical scheme is that, a kind of multiple-passage large power industry LED driver, including control
Box, the control box is that the structure formed in the upper end opening of chassis component is snapped by upper cover plate, the side of the chassis component
Side Air Filter is housed, the rear surface of chassis component, which is equipped with, is used for cooling fan component, and the front surface of cabinet is equipped on face
Power input interface, LED output interface and front Air Filter, which is characterized in that be equipped on the chassis component inner bottom surface
Array-type LED drive module component is equipped with main power heat sink assembly above array-type LED drive module component, described
Pressure regulation unit block, control panel component, rectification and filter module component and communication and NTC are installed on main power heat sink assembly
Temperature detection board group part.
The pressure regulation unit block is PFC unit block or BUCK unit block.
The type of the array-type LED drive module component is channel output type.
The output of the power input interface is connect by conducting wire with rectification and the input of filter module component, the rectification
And the output of filter module component is connect by conducting wire with the input of pressure regulation unit block, the output of the pressure regulation unit block is logical
The input of conducting wire connection array-type LED drive module component is crossed, the output of the array-type LED drive module component connects LED
Output interface.
The control port of the array-type LED drive module component is connected by control bus and the control port of control panel
It connects.
A kind of multiple-passage large power industry LED driver made using technical solution of the present invention, driver use number
Word control program has standard industry bus communication interface.Standard configuration RS485 communication interface, MODBUS RTU communication protocol.Such as
Ethernet or CAN bus need to be used to communicate, also provide corresponding communication extension card, it can be achieved that the MODBUS TCP based on Ethernet
Protocol communication or CAN bus communication；Multichannel output, each channel can be digital control, each channel was supported
Heat, over-voltage, under-voltage, overcurrent, short-circuit protection function.It can learn LED lamp bead characteristic, and analyze LED lamp bead failure, when generating failure
Export corresponding fault code.
Integrated structure, small in size, light-weight, external cabling is few, there is man-machine interface, can by man-machine interface debug and
The operation of monitor driver；It is integrated with the common external control circuit of LED control system.Integrated NTC thermistor detection circuit,
PT100 temperature sensing circuit, 4 railway digital amount input interfaces and 5 railway digital amount output interfaces, wherein two-way relay output and three
Road OC (open-drain formula) output, supports two-way analog input and two-way analog output.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of multiple-passage large power industry LED driver of the present invention；
In figure, 1, control box；2, upper cover plate；3, communication and NTC temperature detection board group part；4, rectification and filter module group
Part；5, control panel；6, PFC unit block；7, main power heat sink assembly；8, array-type LED drive module component；9, fan group
Part；10, power input interface；11, LED output interface；12, chassis component；13, side Air Filter；14, positive Air Filter.
[specific embodiment]
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, the input power of the driver of the application divides three-phase 380V or single-phase 220V, it is defeated using three-phase 380V
It is fashionable, using BUCK voltage regulating module.When inputting using single-phase 220V, then PFC module is used.External ac power source (utility grid) is logical
It crosses power input interface and accesses the driver, internal drive is linked into rectification and filter module component by connecting line.Rectification
And filter module component 4 is by fuse, filter inductor, X capacitor and Y capacitance, varistor, rectifier bridge, electrolytic capacitor group
At wherein rectifier bridge is fixed on secondary attack rate radiator, the AC rectification that its role is to input power input interface
For direct current, and after capacitance voltage stabilizing and filtering, it is output to post-module use.When exchange input is single-phase 220V, use
PFC module component, the voltage after rectification are about 311V, and the main function of PFC module component is PFC and boosting,
PFC is BOOST topological structure, and output voltage is DC 390V；When exchange input is three-phase 380V, PFC module component is replaced
At BUCK pressure regulation unit block, the voltage after rectification is about 537V. to provide the direct current of DC 390V to rear class, and needing will be whole
The direct current decompression of stream and the output of filter module component is 390V, this component uses BUCK topological structure circuit, BUCK circuit tool
Have stability high, circuit structure is simple, it is easily controllable the advantages that, have in high-power straight-straight transformation occasion and be widely applied.
Array-type LED drive module component can be required according to user, installed the quantity of output channel, used machine in the application
Type is 15 channel output types, is adjustable as 10 channel output types, 12 channel output types etc..Array-type LED drive module component
The input of each channel plate is in parallel by the DC bus plate of lower section, and control bus is 485 bus of tandem type, connects after series connection
To control panel.Channel plate is LLC Sofe Switch type DCDC module, and the Sofe Switch structure of LLC topology has high-efficient, and loss is low excellent
Point is the superior solution for driving LED load.It is compact-sized, it is necessary to strict control system because being installed using the array of multi-channel plate
The total calorific value of system guarantees the stable operation of the module.
LED output port is connect with the channel plate of array-type LED drive module component, each channel plate passes through one
2 core cables are connected to LED output control interface.Control panel is by auxiliary switching power supply, single-chip microcontroller, telecommunication circuit, output terminal etc.
It constitutes.
The starting of each channel plate of control panel managing array formula LED drive module component, control is shut down, current regulation,
Read its temperature and failure, the voltage of output, electric current, the operating parameters such as power, array-type LED drive module component failure
Afterwards, control panel reports failure to host computer, and according to parameter preset, executes defencive function.
External input output signal is managed, following table is external terminal connection table:
TC1, TA1, TB1, TC2, TA2, TB2 are two group relay output ports；
P1+, P1-, P2+, P2- and GND collectively form 2 tunnel, 3 line PT100 temperature sensor detection circuit；
AO1, AO2, AI1, AI2 and 12V, GND terminal collectively form 2 road analog outputs and analog input port；
OC1, OC2, OC3 and 24V, CM terminal collectively form 3 railway digital amount OC output terminals；
X1, X2, X3, X4 and CM constitute 4 railway digital amount input terminals；
RS+, RS- are RS485 communication interface；
Manage external temperature and communication:
Communication and NTC temperature detection board group part are used to detect the temperature of LED substrate, and support the visit of authorization Industrial Ethernet
It asks and controls.Chassis component 12 provides the cabinet of installation, the air duct of heat dissipation, input/output terminal sub-interface for each functional module
Deng.
Air Filter is protection cabinet inside device, and front Air Filter and side Air Filter collectively constitute dust preventing component.It is dust-proof
Component is magnetic-type installation, is readily cleaned and safeguards.Fan system carries out air blast cooling using 2 independent ventiducts, and fan is main
For system radiating.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of multiple-passage large power industry LED driver, which is characterized in that including controlling box, the control box is by upper cover
Plate snaps onto the structure formed in the upper end opening of chassis component, and side Air Filter, machine are housed on the side of the chassis component
The rear surface of box assembly, which is equipped with, is used for cooling fan component, and the front surface of cabinet is equipped with power input interface, LED output connects
Mouthful and front Air Filter, array-type LED drive module component is installed, array-type LED drives on the chassis component inner bottom surface
Main power heat sink assembly is installed above dynamic model block assembly, pressure regulation unit group is installed on the main power heat sink assembly
Part, control panel component, rectification and filter module component and communication and NTC temperature detection board group part.
2. a kind of multiple-passage large power industry LED driver according to claim 1, which is characterized in that the pressure regulation list
First component is PFC unit block or BUCK unit block.
3. a kind of multiple-passage large power industry LED driver according to claim 1, which is characterized in that the array
The type of LED drive module component is 15 channel output types.
4. a kind of multiple-passage large power industry LED driver according to claim 1, which is characterized in that the power supply is defeated
The output of incoming interface is connect by conducting wire with rectification and the input of filter module component, it is described rectify and filter module component it is defeated
It is connect out by conducting wire with the input of pressure regulation unit block, the output of the pressure regulation unit block connects array by conducting wire
The output of the input of LED drive module component, the array-type LED drive module component connects LED output interface.
5. a kind of multiple-passage large power industry LED driver according to claim 4, which is characterized in that the array
The control port of LED drive module component is connected by control bus and the control port of control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508375.3A CN109922562A (en) | 2018-12-11 | 2018-12-11 | A kind of multiple-passage large power industry LED driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508375.3A CN109922562A (en) | 2018-12-11 | 2018-12-11 | A kind of multiple-passage large power industry LED driver |
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| Publication Number | Publication Date |
|---|---|
| CN109922562A true CN109922562A (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811508375.3A Pending CN109922562A (en) | 2018-12-11 | 2018-12-11 | A kind of multiple-passage large power industry LED driver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572188A (en) * | 2019-09-20 | 2019-12-13 | 深圳瓦特智汇科技有限公司 | Circuit and method for configuring and upgrading power supply based on power line carrier |
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| JP2000232288A (en) * | 1999-02-12 | 2000-08-22 | Fuji Electric Co Ltd | Power conversion device |
| CN202884837U (en) * | 2012-09-18 | 2013-04-17 | 深圳市科创新时代电子有限公司 | High-power mini light-emitting diode (LED) light-source controller |
| CN104244626A (en) * | 2014-09-23 | 2014-12-24 | 安徽四创电子股份有限公司 | IP multi-media processor |
| CN204180357U (en) * | 2014-11-11 | 2015-02-25 | 长沙师范学院 | A kind of single-stage PFC inverse-excitation type LED drive power that there is dynamic electric voltage and control |
| CN104883797A (en) * | 2015-06-11 | 2015-09-02 | 中国地质大学（武汉） | Large-scale LED array light modulation control method and light modulation control system |
| CN209419959U (en) * | 2018-12-11 | 2019-09-20 | 深圳市优威电气技术有限公司 | A kind of multiple-passage large power industry LED driver |
-
2018
- 2018-12-11 CN CN201811508375.3A patent/CN109922562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000232288A (en) * | 1999-02-12 | 2000-08-22 | Fuji Electric Co Ltd | Power conversion device |
| CN202884837U (en) * | 2012-09-18 | 2013-04-17 | 深圳市科创新时代电子有限公司 | High-power mini light-emitting diode (LED) light-source controller |
| CN104244626A (en) * | 2014-09-23 | 2014-12-24 | 安徽四创电子股份有限公司 | IP multi-media processor |
| CN204180357U (en) * | 2014-11-11 | 2015-02-25 | 长沙师范学院 | A kind of single-stage PFC inverse-excitation type LED drive power that there is dynamic electric voltage and control |
| CN104883797A (en) * | 2015-06-11 | 2015-09-02 | 中国地质大学（武汉） | Large-scale LED array light modulation control method and light modulation control system |
| CN209419959U (en) * | 2018-12-11 | 2019-09-20 | 深圳市优威电气技术有限公司 | A kind of multiple-passage large power industry LED driver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572188A (en) * | 2019-09-20 | 2019-12-13 | 深圳瓦特智汇科技有限公司 | Circuit and method for configuring and upgrading power supply based on power line carrier |
| CN110572188B (en) * | 2019-09-20 | 2024-02-20 | 深圳瓦特智汇科技有限公司 | Circuit and method for configuring and upgrading power supply based on power carrier |
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