CN113114056A - UVLED power supply capable of stably supplying power - Google Patents
UVLED power supply capable of stably supplying power Download PDFInfo
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- CN113114056A CN113114056A CN202110374437.1A CN202110374437A CN113114056A CN 113114056 A CN113114056 A CN 113114056A CN 202110374437 A CN202110374437 A CN 202110374437A CN 113114056 A CN113114056 A CN 113114056A
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- power supply
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- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/10—Parallel operation of DC sources
- H02J1/102—Parallel operation of DC sources being switching converters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The application discloses UVLED power of stable power supply, wherein, including main power module and 1 or a plurality of power module that divides, main power module is connected with 1 or a plurality of power module that divides, main power module integrates the alternating current of input and converts the direct current into, distributes the direct current to 1 or a plurality of power module that divides, this application the scheme supplies power through a plurality of power module that divide, and convenient control realizes each power module's stable power supply that divides.
Description
Technical Field
The application relates to the field of UVLED power supplies, in particular to a UVLED power supply capable of supplying power stably.
Background
The UVLED power is used for supplying power to the LED lamp plate, but among the current power supply process, because be equipped with a plurality of LED lamp plates simultaneously, some LED lamp plates are the combination lamp plate, the demand to voltage or electric current is different, the power supply of current UV power, can't satisfy power supply and control to a plurality of LED lamp plates, thereby cause LED lamp plate power supply unstable, can't reach anticipated effect and damage lamps and lanterns even, current generally adopts high-power supply, through high-power direct distribution to the LED lamp plate, because there is the difference in LED lamp plate internal resistance, the non-current-sharing can appear. Or, although the current is split, the current of each branch after the splitting is unstable, so that no feedback exists, no diagnosis exists, and the centralized control cannot be realized.
Therefore, the prior art has yet to be improved.
Disclosure of Invention
The purpose of this application is to realize the stable power supply of LED lamp plate.
The technical purpose of the application is realized by the following technical scheme:
the UVLED power supply capable of supplying power stably comprises a main power supply module and 1 or more power distribution modules, wherein the main power supply module is connected with the 1 or more power distribution modules, the main power supply module integrates input alternating current and converts the input alternating current into direct current, and the direct current is distributed to the 1 or more power distribution modules.
According to the scheme, the UVLED power supply is divided into the main power supply module and the power distribution modules through the modular structure, the alternating current is integrated and converted through the main power supply module and distributed to 1 or a plurality of power distribution modules, one-to-many setting is achieved, multi-path power supply can be achieved, different power supply requirements are met, and stable power supply is achieved.
Optionally, the UVLED power supply for stable power supply includes one or more sub-power supply modules, which are disposed in a multi-channel power supply box, and the main power supply module is connected to the multi-channel power supply box to control and supply power to the multi-channel power supply box.
According to the scheme, the power distribution module is arranged in the multi-channel power box, the main power supply module is connected with the multi-channel power box to control power supply of the multi-channel power box, and the power distribution module can be conveniently and intensively installed and controlled by arranging the multi-channel power box.
Optionally, the UVLED power supply for stable power supply, wherein the main power module includes a rectifier for converting alternating current into direct current, and a voltage regulator for performing voltage regulation processing on the converted direct current, and the voltage regulator is connected to the rectifier.
According to the scheme, the main power supply module performs alternating current to direct current through the rectifier, and then performs voltage regulation processing on the direct current through the voltage regulator, so that the power supply requirements of the power distribution module are met.
Optionally, the UVLED power supply is configured to stably supply power, wherein an output voltage of the main power supply module is consistent with an input voltage of the multi-channel power supply box.
According to the scheme, the output voltage of the main power supply module is consistent with the input voltage of the multi-channel power supply box, and accurate stable control is conveniently achieved.
Optionally, the multi-channel power box includes 1 or more power distribution modules, and a controller connected to the 1 or more power distribution modules, and the controller controls output voltages and currents of the power distribution modules.
According to the scheme, the multi-channel power box comprises the controllers, each controller controls the voltage and current output of 1 power distribution module, the controllers are independently controlled, and power supply is accurate and stable.
Optionally, the UVLED power supply for stable power supply includes that 1 or more sub-power supply modules are connected to a voltage reducer, and the voltage reducer is connected to the controller.
According to the scheme, in order to achieve accurate control and meet different power supply requirements, the power distribution module is connected with the step-down transformer, and the step-down is started when needed.
Optionally, the UVLED power supply is capable of stably supplying power, wherein the main power module is in communication with the multi-channel power box through a CAN bus.
According to the scheme, the main power supply module and the multi-channel power supply box are communicated through the CAN bus, and signal transmission is more stable.
Optionally, the UVLED power supply for stable power supply is provided, wherein an output voltage of the main power module and an input voltage of the multi-channel power box are 350-.
In the scheme of the application, the preferred input voltage is 350-400V, the application range is wide, and the power supply is stable.
In summary, the present application discloses a stable power supply UVLED power supply, which includes a main power module and 1 or more power modules, where the main power module is connected to the 1 or more power modules, and the main power module integrates and converts input ac power into dc power, and distributes the dc power to the 1 or more power modules.
Drawings
Fig. 1 is a schematic structural diagram of a stably-powered UVLED power supply according to the present application.
Reference numerals: 1. a main power supply module; 11. a rectifier; 12. a voltage regulator; 2. a power distribution module; 3. a multi-channel power box; 31. a controller; 32. a voltage reducer.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present embodiment, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, a schematic structural diagram of a UVLED power supply for stably supplying power according to the present application is shown. The application discloses UVLED power of stable power supply can realize the power supply of multichannel equipment such as LED lamp plate, including main power module and 1 or a plurality of power module that divides, supply power to 1 or a plurality of power module that divides through main power module, every divides power module can be connected with the LED lamp plate, supplies power to the LED lamp plate, this application the scheme can realize the power supply of multichannel LED lamp plate to every LED lamp plate supplies power alone, and power supply efficiency is stable.
In order to realize the control of the power distribution module, preferably, the power distribution module is arranged in a multi-channel power box and is connected with a main power module through the multi-channel power box to realize centralized power supply and realize segmented power supply through a plurality of power distribution modules, the main power module is connected with the multi-channel power box, integrates voltage through the main power module and performs alternating current-direct current conversion, then transmits the voltage to the multi-channel power box and independently supplies power through the power distribution module, the main power module is wide in application range, integrates and converts the voltage and mainly comprises a rectifier and a voltage regulator, the rectifier realizes the conversion of alternating current into direct current, and performs voltage regulation through the voltage regulator after the alternating current is converted into the direct current, in order to ensure that a subsequent step-down transformer is in a better working state, the input of the step-down transformer is in a stable voltage, in the preferred embodiment of the application, the main power module can be further provided with a radiator and the like to perform heat dissipation treatment on the main power module, so that the influence on the normal operation of the main power module due to overhigh temperature is avoided.
In the present application, in order to implement the power supply control of the power distribution modules, with reference to fig. 1, preferably, a plurality of controllers are further disposed in the multi-channel power supply box, each controller individually controls one power distribution module, (a frame synthesized by a plurality of power distribution modules in the figure indicates that the controller is connected to each power distribution module, and individually controls the controllers, and the number of the controllers corresponds to the number of the power distribution modules, in the example shown in the figure), and in order to implement precise control, preferably, the output voltage of the main power supply module is the same as the input voltage of the multi-channel power supply box, and in specific implementation, the supply voltage and the supply current of the LED lamp panels may be different according to the requirements of different LED lamp panels and different users, and in the multi-channel power supply box, the supply voltage and the supply current of the LED lamp panels controlled by different power distribution modules may also be different, but the main power supply module, the power supply system is not in charge of distributing voltage and current, therefore, the controller is arranged at each power distribution module to control the voltage and the current distributed to the power distribution modules, so that the power supply voltage and the current of the LED lamp panel and the like are controlled, the power supply requirement is ensured, the power supply stability of each path can be ensured by independent control, and the influence caused by the rising or the lowering of the voltage of other paths can be avoided.
In the above solution, a voltage regulator is disposed in the main power module to implement voltage regulation, but after the voltage is distributed to the multi-channel power box, the voltage of the LED lamp panel of each channel is not necessarily high, so, in the preferred embodiment of the present application, referring to fig. 1, it is preferable that each sub-power module is further connected with a voltage reducer (the drawing lines are not connected one by one, so as to avoid cross of the connecting lines, so that one by one is not drawn, but the sub-power modules and the voltage reducers are in a one-to-one correspondence relationship, and the number of the voltage reducers is also in a one-to-one correspondence with the sub-power modules), so as to perform voltage reduction processing on the distributed voltage, thereby meeting the voltage supply requirements of different LED lamp panels and the like.
This application preferred embodiment, main power module and multichannel power supply box are preferred to be through CAN bus communication, improve transmission efficiency, CAN bus characteristics: (1) data communication has no master-slave division, any node can initiate data communication to any other node(s), and the communication order is determined according to the information priority sequence of each node; when a plurality of nodes initiate communication simultaneously, the avoidance priority with low priority is high, and the congestion on a communication line cannot be caused, (3) the communication distance can reach as far as 10KM (the speed is lower than 5Kbps), the speed can reach as high as 1Mbps (the communication distance is less than 40M); (4) the CAN bus transmission medium CAN be twisted wire pairs and coaxial cables. The CAN bus is suitable for large-data-volume short-distance communication or long-distance small-data-volume communication, has higher real-time requirement, and is used in the field with multiple masters and multiple slaves or equal nodes.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The UVLED power supply is characterized by comprising a main power supply module (1) and 1 or more sub power supply modules (2), wherein the main power supply module (1) is connected with the 1 or more sub power supply modules (2), the main power supply module (1) integrates input alternating current and converts the input alternating current into direct current, and the direct current is distributed to the 1 or more sub power supply modules (2).
2. The stably powered UVLED power supply according to claim 1, wherein said 1 or more sub-power modules (2) are disposed in a multi-channel power box (3), and said main power module (1) is connected to said multi-channel power box (3) for controlling and powering said multi-channel power box (3).
3. A stably powered UVLED power supply according to claim 1, characterized in that the main power supply module (1) comprises a rectifier (11) for converting alternating current into direct current, a voltage regulator (12) for regulating the converted direct current, the voltage regulator (12) being connected to the rectifier (11).
4. A stably powered UVLED power supply according to claim 3 characterised in that the output voltage of the main power supply module (1) coincides with the input voltage of the multichannel power supply box (3).
5. Stably powered UVLED power supply according to claim 4, characterized in that the multichannel power supply box (3) comprises 1 or more controllers (31) connected to the sub-power supply modules (2), the output voltage and current of the sub-power supply modules (2) being controlled by the controllers (31).
6. A stably powered UVLED power supply according to claim 5 characterised in that said 1 or more sub-power supply modules (2) are each connected to a voltage reducer (32), said voltage reducers (32) being connected to said controller (31).
7. A stably powered UVLED power supply according to claim 2 characterised in that the main power module (1) communicates with the multichannel power supply box (3) over a CAN bus.
8. The stably powered UVLED power supply according to claim 4, characterized in that the output voltage of said main power module (1) and the input voltage of said multi-channel power box (3) are 350-400V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374437.1A CN113114056A (en) | 2021-04-07 | 2021-04-07 | UVLED power supply capable of stably supplying power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374437.1A CN113114056A (en) | 2021-04-07 | 2021-04-07 | UVLED power supply capable of stably supplying power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113114056A true CN113114056A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110374437.1A Pending CN113114056A (en) | 2021-04-07 | 2021-04-07 | UVLED power supply capable of stably supplying power |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100283322A1 (en) * | 2009-05-06 | 2010-11-11 | Polar Semiconductor, Inc. | Multiple output power supply |
| CN202998610U (en) * | 2012-12-26 | 2013-06-12 | 四川新力光源股份有限公司 | LED constant current power supply |
| US20180175721A1 (en) * | 2016-12-19 | 2018-06-21 | Chengdu Monolithic Power Systems Co., Ltd. | Multi-channel switching mode power supply and control method thereof |
-
2021
- 2021-04-07 CN CN202110374437.1A patent/CN113114056A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100283322A1 (en) * | 2009-05-06 | 2010-11-11 | Polar Semiconductor, Inc. | Multiple output power supply |
| CN202998610U (en) * | 2012-12-26 | 2013-06-12 | 四川新力光源股份有限公司 | LED constant current power supply |
| US20180175721A1 (en) * | 2016-12-19 | 2018-06-21 | Chengdu Monolithic Power Systems Co., Ltd. | Multi-channel switching mode power supply and control method thereof |
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Application publication date: 20210713 |
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