CN209419959U - 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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- CN209419959U CN209419959U CN201822071331.0U CN201822071331U CN209419959U CN 209419959 U CN209419959 U CN 209419959U CN 201822071331 U CN201822071331 U CN 201822071331U CN 209419959 U CN209419959 U CN 209419959U
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Abstract
The utility model discloses a kind of multiple-passage large power industry LED drivers, 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.The utility model has the beneficial effects that it is small in size, it is strong to be applicable in ability.
Description
Technical field
The utility model relates to field of LED drive, especially a kind of multiple-passage large power industry LED driver.
Background technique
There are mainly two types of LED drivers used in existing market:
It is assembled using multiple common small-power constant-current switch power sources
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.Big function
Rate LED chip generally uses water cooling or air blast cooling, and common PLC adds the scheme of Switching Power Supply to need additional increase temperature detection mould
Block, water flow detection module, water temperature detection module etc..
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of multiple-passage large power industry LED driving
Device.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of multiple-passage large power industry LED driver, including
Box is controlled, the control box is that the structure formed in the upper end opening of chassis component is snapped by upper cover plate, the chassis component
Side on 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 pacified
Equipped with power input interface, LED output interface and front Air Filter, which is characterized in that pacify on the chassis component inner bottom surface
Equipped with array-type LED drive module component, main power heat sink assembly is installed above array-type LED drive module component,
Pressure regulation unit block, control panel component, rectification and filter module component and communication are installed on the main power heat sink assembly
And NTC 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 the technical solution of the utility model, driver are adopted
With Digital Control scheme, there is standard industry bus communication interface.Standard configuration RS485 communication interface, MODBUS RTU communication protocols
View.If you need to use Ethernet or CAN bus to communicate, corresponding communication extension card is also provided, it can be achieved that based on Ethernet
The communication of MODBUS Transmission Control Protocol or CAN bus communication；Multichannel output, each channel can be digital control, each is logical
Support overheat, over-voltage, under-voltage, overcurrent, short-circuit protection function in road.It can learn LED lamp bead characteristic, and analyze LED lamp bead failure,
Corresponding fault code is exported when generating failure.Integrated structure, small in size, light-weight, external cabling is few, there is man-machine interface,
Man-machine interface debugging and the operation of monitor driver can be passed through；It is integrated with the common external control circuit of LED control system.Collection
At NTC thermistor detection circuit, PT100 temperature sensing circuit, 4 railway digital amount input interfaces and 5 railway digital amount output interfaces,
The wherein output of two-way relay and three road OC (open-drain formula) output, support two-way analog input and two-way analog quantity defeated
Out.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multiple-passage large power industry LED driver described in the utility model；
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 radiator；8, array-type LED drive module component；9, fan；10, electric
Source input interface；11, LED controls output interface；12, chassis component；13, side Air Filter；14, positive Air Filter.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, as shown in Figure 1, the input electricity of the driver of the application
Three-phase 380V or single-phase 220V is divided in source, when being inputted using three-phase 380V, using BUCK voltage regulating module.It is inputted using single-phase 220V
When, then use PFC module.External ac power source (utility grid) accesses the driver, internal drive by power input interface
Rectification and filter module component are linked by connecting line.Rectification and filter module component 4 are by fuse, filter inductor, X electricity
Hold and Y capacitance, varistor, rectifier bridge, electrolytic capacitor form, wherein rectifier bridge is fixed on secondary attack rate radiator,
Effect is that the AC rectification for inputting power input interface is direct current, and after capacitance voltage stabilizing and filtering, after being output to
Grade module uses.When exchange input is single-phase 220V, using PFC module component, the voltage after rectification is about 311V, PFC mould
The main function of block assembly is PFC and boosting, and PFC is BOOST topological structure, and output voltage is DC 390V；When
When exchange input is three-phase 380V, PFC module component is substituted for BUCK pressure regulation unit block, the voltage after rectification is about
537V. need to will be rectified to provide the direct current of DC 390V to rear class and the direct current decompression of filter module component output be
390V, this component use BUCK topological structure circuit, and BUCK circuit has stability high, and circuit structure is simple, easily controllable etc.
Advantage has in high-power straight-straight transformation occasion and is 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 | P1+ | P1- | GND | 12V | GND | AO1 | AO2 | 24V | CM | OC1 | OC2 | 0C3 | |
| TC2 | TA2 | TB2 | RS+ | RS- | P2+ | P2- | GND | AI1 | AI2 | CM | X1 | X2 | X3 | X4 |
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 solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (5)
1. a kind of multiple-passage large power industry LED driver, including control box (1), the control box is by upper cover plate (2) snapping
The structure formed in the upper end opening of chassis component (12) is equipped with side Air Filter (13) on the side of the chassis component,
The rear surface of chassis component be equipped be used for cooling fan component (9), the front surface of cabinet be equipped with power input interface (10),
LED output interface (11) and front Air Filter (14), which is characterized in that array is installed on the chassis component inner bottom surface
LED drive module component (8) is equipped with main power heat sink assembly (7) above array-type LED drive module component, described
Be equipped on main power heat sink assembly pressure regulation unit block (6), control panel component (5), rectification and filter module component (4) and
Communication and NTC temperature detection board group part (3).
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 |
|---|---|---|---|
| CN201822071331.0U CN209419959U (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 |
|---|---|---|---|
| CN201822071331.0U CN209419959U (en) | 2018-12-11 | 2018-12-11 | A kind of multiple-passage large power industry LED driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419959U true CN209419959U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822071331.0U Active CN209419959U (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 |
|---|---|---|---|---|
| CN109922562A (en) * | 2018-12-11 | 2019-06-21 | 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 CN201822071331.0U patent/CN209419959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922562A (en) * | 2018-12-11 | 2019-06-21 | 深圳市优威电气技术有限公司 | A kind of multiple-passage large power industry LED driver |
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