CN203135462U - Single phase grid -connected inverter specially used in air blower - Google Patents
Single phase grid -connected inverter specially used in air blower Download PDFInfo
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- CN203135462U CN203135462U CN 201320002489 CN201320002489U CN203135462U CN 203135462 U CN203135462 U CN 203135462U CN 201320002489 CN201320002489 CN 201320002489 CN 201320002489 U CN201320002489 U CN 201320002489U CN 203135462 U CN203135462 U CN 203135462U
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- air blower
- inverter
- frequency transformer
- voltage end
- single phase
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Abstract
The utility model relates to a single phase grid -connected inverter specially used in an air blower. The single phase grid -connected inverter specially used in the air blower comprises a boost high-frequency transformer connected between the voltage end of the air blower and the voltage end of a power frequency inverter bus, and a buck conversion circuit is arranged between the voltage end of the air blower and the boost high-frequency transformer; an inverter processer is arranged between the boost high-frequency transformer and the voltage end of the power frequency inverter bus, and the buck conversion circuit and the inverter processer are further connected with a digital signal processor. The buck conversion circuit is used to track the largest output power of the air blower, the boost high-frequency transformer enables an input voltage of the air blower and the voltage of the power frequency inverter bus to match, and the inverter processor and the digital signal processor are integrated to realize the whole machine control. The beneficial effects of the utility model are that: the isolation of the high-frequency transformer is a main feature of the single phase grid -connected inverter specially used in the air blower; because a heavy power frequency transformer is saved, the single phase grid -connected inverter specially used in the air blower has the obvious advantages of light weight, small volume, high efficiency, etc.; and a 50 V-300V DC input voltage range brings larger and freer space for users to select a wind power generation assembly.
Description
Technical field
The blower fan power field that the utility model relates to is specifically related to the special-purpose individual event combining inverter of a kind of blower fan.
Background technology
Chinese blower fan industry has been developed a series of new high-efficiency blower fans in recent years, along with the continuous digestion of introducing technology and perfect, still have multiple poor efficiency blower fan to need to update in China, the new blower fan of promoting also needs further perfect, therefore improves constantly the blower fan product quality, the demand of stabilizing the market.It is to enter the wind-powered electricity generation field by imported technology that the most of blower fans of China are made the commercial city, and the Fan Equipment manufacturing industry still is in the primary stage that " technology transfer and technological assimilation " turns to " autonomous innovation " at present.
In lack of energy environmental pollution serious day by day today, wind energy is considered to solve the only way of energy problem with its inexhaustible huge total amount.Wind power generation is the forms of electricity generation of clean and safe the most up to now, and the blower fan technology of generating electricity by way of merging two or more grid systems can be given full play to the capacity of equipment of electricity generation system, can effectively utilize existing generation mode and supply network again, makes the maximizing the benefits of system equipment.Wind power generation obtains the attention of various countries day by day and will become the focus that various countries competitively develop in conjunction with the characteristics of himself.
The utility model content
At the deficiencies in the prior art, the utility model provides a kind of blower fan special-purpose individual event combining inverter, and it is little to have a volume, efficient height, high-quality, the advantage of high reliability.
The special-purpose individual event combining inverter of a kind of blower fan that the utility model provides, comprise the high frequency transformer that boosts that is connected blower voltage end and power frequency inversion busbar voltage end, blower voltage end and boost and be provided with the buck translation circuit between the high frequency transformer, boosting is provided with the inversion processor between high frequency transformer and the power frequency inversion busbar voltage end, and the buck translation circuit further is connected with digital signal processor with the inversion processor.
Preferably, also be connected with led display unit and RS485 monitoring unit on the described digital signal processor.
Preferably, the voltage range of described buck translation circuit input is that 50V is to 300V.
Voltage on the described power frequency inversion bus is to be stablized by the buck transforming circuit, and guarantee makes energy be transferred to electrical network by the power frequency inversion.
The beneficial effects of the utility model are:
The special-purpose individual event combining inverter of blower fan of the present utility model, wherein the high frequency transformer isolation is main feature of the present utility model, compare with Industrial Frequency Transformer isolated form product owing to got rid of heavy Industrial Frequency Transformer, in light weight, volume is little, the efficient advantages of higher has obtained obvious embodiment; The DC input voitage scope that 50V to 200 V is wide is selected for user's wind power generation assembly has brought bigger free space.
Description of drawings
Fig. 1 is the integral body control schematic diagram of the special-purpose individual event combining inverter of a kind of blower fan of the present utility model.
Number in the figure explanation: 1.buck translation circuit, the high frequency transformer that 2. boosts, 3. inversion processor, 4. digital signal processor, 5.LED display unit, 6.LCD monitoring unit.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
In conjunction with shown in Figure 1, the special-purpose individual event combining inverter of a kind of blower fan of the present utility model, comprise the high frequency transformer 2 that boosts that is connected blower voltage end and power frequency inversion busbar voltage end, blower voltage end and boost and be provided with buck translation circuit 1 between the high frequency transformer 2, boost and be provided with inversion processor 3 between high frequency transformer 2 and the power frequency inversion busbar voltage end, buck translation circuit 1 further is connected with digital signal processor 4 with inversion processor 3, also is connected with led display unit 5 and LCD monitoring unit 6 on the digital signal processor 4.
Preferably, the voltage range of described buck translation circuit 1 input is that 50V is to 300V.
Preferably, the voltage on the described power frequency inversion bus is to be stablized by the Buck control circuit, and guarantee makes energy be transferred to electrical network by the power frequency inversion.
Wherein, in that the typical corresponding translation circuit of buck has rapidly been adopted in blower fan peak power output tracking control, can the blower fan Maximum Power Output be caught realization promptly and accurately.Then, owing to will manifest 50V to the low wide in range output voltage range of 300V, and the voltage matches between the busbar voltage of realization and inversion grid connection, so after the buck translation circuit, adopted the high frequency transformer that boosts, taken into account the blower fan safety requirement of product to isolating of being incorporated into the power networks simultaneously.Secondly, in the mode that system's control adopts integrated inverse processor and Digital Signal Processing to combine, guaranteed system's property safe and reliable to operation.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the special-purpose individual event combining inverter of a blower fan, it is characterized in that, comprise the high frequency transformer that boosts (2) that is connected blower voltage end and power frequency inversion busbar voltage end, be provided with buck translation circuit (1) between blower voltage end and the high frequency transformer that boosts (2), boosting is provided with inversion processor (3) between high frequency transformer (2) and the power frequency inversion busbar voltage end, and buck translation circuit (1) further is connected with digital signal processor (4) with inversion processor (3).
2. the special-purpose individual event combining inverter of blower fan according to claim 1 is characterized in that, also is connected with led display unit (5) and LCD monitoring unit (6) on the described digital signal processor (4).
3. the special-purpose individual event combining inverter of blower fan according to claim 1 and 2 is characterized in that the voltage range of described buck translation circuit (1) input is that 50V is to 300V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002489 CN203135462U (en) | 2013-01-05 | 2013-01-05 | Single phase grid -connected inverter specially used in air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002489 CN203135462U (en) | 2013-01-05 | 2013-01-05 | Single phase grid -connected inverter specially used in air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135462U true CN203135462U (en) | 2013-08-14 |
Family
ID=48943402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002489 Expired - Fee Related CN203135462U (en) | 2013-01-05 | 2013-01-05 | Single phase grid -connected inverter specially used in air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203135462U (en) |
-
2013
- 2013-01-05 CN CN 201320002489 patent/CN203135462U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140105 |