CN202949373U - High frequency isolation type controller-inverter all-in-one machine - Google Patents
High frequency isolation type controller-inverter all-in-one machine Download PDFInfo
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- CN202949373U CN202949373U CN 201220605305 CN201220605305U CN202949373U CN 202949373 U CN202949373 U CN 202949373U CN 201220605305 CN201220605305 CN 201220605305 CN 201220605305 U CN201220605305 U CN 201220605305U CN 202949373 U CN202949373 U CN 202949373U
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- high frequency
- alternating current
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- bridge
- inverter
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Abstract
The utility model discloses a high frequency isolation type controller-inverter all-in-one machine. The all-in-one machine comprises a boost full-bridge, a high-frequency transformer, a rectifier bridge, a capacitor and an inverter bridge, the boost full-bridge converts low voltage direct current of a storage battery to low voltage positive-negative pulse high frequency alternating current, the high-frequency transformer converts the low voltage positive-negative pulse high frequency alternating current to high voltage positive-negative pulse high frequency alternating current, the rectifier bridge converts the high voltage positive-negative pulse high frequency alternating current to high voltage positive pulse high frequency direct current, the capacitor converts the high voltage positive pulse high frequency direct current to high voltage direct current, and the inverter bridge inverts the high voltage direct current to 220-volt alternating current. The high frequency isolation type controller-inverter all-in-one machine has the advantages that the defects that existing invertion devices are cumbersome, high in costs and low in efficiency are overcome, and the high frequency isolation type controller-inverter all-in-one machine is low in costs, high in efficiency, small in size and light.
Description
Technical field
The utility model relates to transformation and the frequency conversion field of electric current.Be specially the contrary all-in-one of a kind of high frequency isolation type control.
Background technology
Some powerful electrical equipment as refrigerator, air-conditioning etc., reach as high as more than 20 times of rated current at its electric current of moment that directly starts, not only can damage relevant equipment, also may cause great adverse effect to whole electrical network.At present Adopts measure is to increase inverter in circuit, utilizes the impact resistance of the Industrial Frequency Transformer of inverter to reduce or eliminates the impact load.Specifically as shown in Figure 1, inverter comprises power device 7 and Industrial Frequency Transformer 8, and the current transitions of process power device 7 and Industrial Frequency Transformer 8 is the alternating current of 220V.This scheme can be eliminated the impact load effectively, but because Industrial Frequency Transformer need to be used a large amount of magnetic materials and conductor material, and its volume is large, weight is high, price is high and inefficiency, causes not only heaviness and cost is high, efficient is low of whole inverter.
The utility model content
The technical problem that the utility model solves is to overcome that existing inverter is heavy, cost is high and inefficient shortcoming, provides a kind of low cost, high efficiency, volume is little and the contrary all-in-one of lightweight high frequency isolation type control.
The contrary all-in-one of high frequency isolation type control of the present utility model, comprise with the low-voltage DC of storage battery be transformed into low pressure positive negative pulse stuffing high-frequency alternating current the full-bridge that boosts, with low pressure positive negative pulse stuffing high-frequency alternating current be transformed into high pressure positive negative pulse stuffing high-frequency alternating current high frequency transformer, with high pressure positive negative pulse stuffing high-frequency alternating current be transformed into high pressure positive pulse high-frequency DC rectifier bridge, convert high pressure positive pulse high-frequency DC to the electric capacity of high voltage direct current and the inverter bridge that is the 220V alternating current with described high voltage direct current inversion.
As preferably, the described full-bridge that boosts comprises four metal-oxide-semiconductors, and described inverter bridge comprises four IGBT pipes.
As further preferred, the contrary all-in-one of described high frequency isolation type control also comprises the filter circuit that described 220V alternating current is carried out filtering.
the contrary all-in-one of high frequency isolation type control of the present utility model compared to the prior art, have following beneficial effect: the contrary all-in-one of the utility model high frequency isolation type control has improved the frequency of alternating current greatly, thereby its required magnetic flux reduces greatly, thereby the cross section of transformer just can reduce, its number of turn also can reduce simultaneously, thereby can greatly save magnetic material and conductor material on the one hand, thereby reduced cost, on the other hand, the efficiency far of high frequency transformer is higher than Industrial Frequency Transformer, therefore the contrary all-in-one of high frequency isolation type control of the present utility model can be raised the efficiency greatly.In addition, due to high voltage converter and the miscellaneous part volume very little, compare with the inverter that adopts Industrial Frequency Transformer, the contrary all-in-one of high-frequency isolation control of the present utility model has also reduced volume and weight greatly.
Description of drawings
Fig. 1 is the circuit diagram of existing inverter.
Fig. 2 is the circuit diagram of the contrary all-in-one of high frequency isolation type control of an embodiment of the present utility model.
Reference numeral
The 1-full-bridge that boosts, 2-high frequency transformer, 3-rectifier bridge, 4-inverter bridge, 5-filter circuit, 6-storage battery, 7-power device, 8-Industrial Frequency Transformer, 9-electric capacity.
Embodiment
Fig. 2 is the circuit diagram of the contrary all-in-one of high frequency isolation type control of an embodiment of the present utility model.As shown in Figure 2, the contrary all-in-one of high frequency isolation type control of the present utility model comprises the full-bridge 1 that boosts, high frequency transformer 2, rectifier bridge 3, electric capacity 9 and inverter bridge 4.In the present embodiment, the described full-bridge 1 that boosts comprises four metal-oxide-semiconductors (metal-oxide-semiconductor field effect transistor), and the full-bridge 1 that boosts is connected with storage battery 6, the 24V direct current of storage battery is transformed into the 24V positive negative pulse stuffing high-frequency alternating current of high frequency.High frequency transformer 2 is transformed into 384V positive negative pulse stuffing high-frequency alternating current with 24V positive negative pulse stuffing high-frequency alternating current.Rectifier bridge 3 further is transformed into 384V positive pulse high-frequency DC with 384V positive negative pulse stuffing high-frequency alternating current.Electric capacity 9 converts high pressure positive pulse high-frequency DC to the 380V high voltage direct current, and inverter bridge 4 is the 220V alternating current with described high voltage direct current inversion.In the present embodiment, inverter bridge comprises four IGBT pipes (insulated gate bipolar transistor).
As preferably, the contrary all-in-one of described high frequency isolation type control also comprises the filter circuit 5 that described 220V alternating current is carried out filtering, is used for the ripple of elimination rectifier output voltage.Filter circuit 5 can adopt filter circuit commonly used.
Transformer coil terminal voltage U, number of turn N, frequency f and magnetic flux Φ concern coincidence formula U=4.44fN* Φ.From this formula as can be known, when transformer coil terminal voltage U determined, frequency and magnetic flux were inversely proportional to, the frequency height, magnetic flux is just little.Adopted high frequency transformer 2 in the utility model, compare with available technology adopting power-frequency voltage device, greatly improved the frequency of alternating current, thereby its required magnetic flux reduces greatly, thereby the cross section of transformer just can reduce, its number of turn also can reduce simultaneously, thereby can greatly save magnetic material and conductor material on the one hand, thereby reduced cost, on the other hand, the efficiency far of high frequency transformer is higher than Industrial Frequency Transformer, and therefore the contrary all-in-one of high frequency isolation type control of the present utility model can be raised the efficiency greatly.In addition, due to high voltage converter and the miscellaneous part volume very little, compare with the inverter that adopts Industrial Frequency Transformer, the contrary all-in-one of high-frequency isolation control of the present utility model has also reduced volume and weight greatly.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection range of the present utility model is defined by the claims.Those skilled in the art in essence of the present utility model and protection range, various modifications that the utility model is made or be equal to replacement and also drop in protection range of the present utility model.
Claims (3)
1. the contrary all-in-one of a high frequency isolation type control, its spy is: comprise with the low-voltage DC of storage battery be transformed into low pressure positive negative pulse stuffing high-frequency alternating current the full-bridge that boosts, with low pressure positive negative pulse stuffing high-frequency alternating current be transformed into high pressure positive negative pulse stuffing high-frequency alternating current high frequency transformer, with high pressure positive negative pulse stuffing high-frequency alternating current be transformed into high pressure positive pulse high-frequency DC rectifier bridge, convert high pressure positive pulse high-frequency DC to the electric capacity of high voltage direct current and the inverter bridge that is the 220V alternating current with described high voltage direct current inversion.
2. high frequency isolation type control according to claim 1 is against all-in-one, and its spy is: the described full-bridge that boosts comprises four metal-oxide-semiconductors, and described inverter bridge comprises four IGBT pipes.
3. high frequency isolation type control according to claim 2 is against all-in-one, and its spy is: the contrary all-in-one of described high frequency isolation type control also comprises the filter circuit that described 220V alternating current is carried out filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605305 CN202949373U (en) | 2012-11-16 | 2012-11-16 | High frequency isolation type controller-inverter all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605305 CN202949373U (en) | 2012-11-16 | 2012-11-16 | High frequency isolation type controller-inverter all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949373U true CN202949373U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605305 Expired - Lifetime CN202949373U (en) | 2012-11-16 | 2012-11-16 | High frequency isolation type controller-inverter all-in-one machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202949373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946206A (en) * | 2012-11-16 | 2013-02-27 | 中科恒源科技股份有限公司 | High-frequency isolating type inverse control integrated machine |
-
2012
- 2012-11-16 CN CN 201220605305 patent/CN202949373U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946206A (en) * | 2012-11-16 | 2013-02-27 | 中科恒源科技股份有限公司 | High-frequency isolating type inverse control integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
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| CX01 | Expiry of patent term |