CN206164393U - Digital control energy recovery's two -way power - Google Patents
Digital control energy recovery's two -way power Download PDFInfo
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- CN206164393U CN206164393U CN201621265335.7U CN201621265335U CN206164393U CN 206164393 U CN206164393 U CN 206164393U CN 201621265335 U CN201621265335 U CN 201621265335U CN 206164393 U CN206164393 U CN 206164393U
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- power switch
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- power
- electric capacity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model discloses a digital control energy recovery's two -way power, including power input end, topological structure and power output end, topological structure is all connected to power input end and power output end, topological structure includes that the double - circuit does not have bridge PFC unit, full -bridge converting unit and full wave rectification unit, and the order connection, the double - circuit is connected to the power input end does not have bridge PFC unit, power output holds the connection the full wave rectification unit, the utility model provides a low -cost, the two -way power of efficient are realized same set of power device and are realized two -way change, adopt same power device, only need traditional scheme on the cost half realized higher conversion efficiency promptly, have good market using value.
Description
Technical field
The utility model is related to field of power supplies, more particularly to a kind of bi-directional power of digital control energy recovery.
Background technology
With the rise of new energy technology, the extensive application of battery, for the charging and discharging corresponding to battery applications
Mode is put forward higher requirement, and is with Battery formation (by the charge and discharge process of sequencing, realizing that battery structure is stabilized)
Example.
In prior art, technology pattern the most traditional, charging is to carry out AC-DC conversion to civil power by power supply, to electricity
Pond is charged, and electric discharge directly by resistive load, electric energy is dissipated in the form of heat energy；With the development of technology, in section
The consideration of energy has engendered second technology；Will battery discharge electric energy, electrical network is recycled to by inverter, realize energy-conservation
Target.
The first conventional art, the energy of battery discharge cannot be reclaimed, and cause the waste of the energy, be unfavorable for energy-saving and emission-reduction,
And due to adopting resistive load, be not easy to carry out accurately discharge current.
Second conventional art, it is possible to achieve the recovery of battery discharging energy, but because charging and discharging adopts two sets
Power-supply system (AC-DC DC-AC), system needs to increase special controller and carries out the control of discharge and recharge switching, build complexity,
Holistic cost is high, and transformation efficiency is low.
Prior art existing defects, need to improve.
Utility model content
In order to solve the defect that present technology is present, the utility model provides a kind of the two-way of digital control energy recovery
Power supply.
The technology official documents and correspondence that the utility model is provided, a kind of bi-directional power of digital control energy recovery, including power input
End, topological structure and power output end, the power input and power output end are all connected with topological structure；The topological structure
Including two-way non-bridge PFC unit, full-bridge converter unit and full wave rectifying unit, and it is linked in sequence, the power input connection
Two-way non-bridge PFC unit, the power output end connects the full wave rectifying unit；
The two-way non-bridge PFC unit includes first group of non-bridge PFC and second group of non-bridge PFC, first group of non-bridge PFC
Including inductance L1, power switch pipe Q1, Q2 and electric capacity C1, second group of non-bridge PFC includes inductance L2, power switch pipe Q3,
Q4 and electric capacity C1, the electric capacity C1 constitute tie point, its tie point be respectively first node and Section Point described in power open
Close pipe Q1, Q3 and be composed in series the second branch road, its tie point is respectively the 3rd node and fourth node；The first node and the 3rd
Connect the inductance L1 between node, the inductance L2 is connected between the Section Point and fourth node；The power switch
5th node is set between pipe Q1, Q3, the 6th node, the 5th node and the are set between described power switch pipe Q2, Q4
Electric capacity C is set between six nodes；
The full-bridge converter unit includes power switch pipe Q5, Q6, Q7, Q8 and transformer T, the 5th node and the 6th
Connect power switch pipe Q5 and power switch pipe Q6, the power switch pipe Q5 and power switch pipe Q6 series connection between node, state
Power switch pipe Q7 and power switch pipe Q8, the power switch pipe Q7 and power are also connected between 5th node and the 6th node
Switching tube Q8 connects, and the 7th node, the power switch pipe Q7 are arranged between the power switch pipe Q5 and power switch pipe Q6
8th node is set and power switch pipe Q8 between, electric capacity C2 and transformer T is connected between the 7th node and the 8th node
Primary side, the primary side of the electric capacity C2 and transformer T, the electric capacity C2 and transformer T connect, and the electric capacity C2 is arranged at
Near described 7th node one end；
The full wave rectifying unit includes power switch pipe Q9 and Q10, and the power switch pipe Q9 and Q10 is all connected to become
Depressor T secondary sides, the power switch pipe Q9 connects with inductance L3, and the transformer T secondary sides are in parallel with electric capacity C0.
Preferably, the inductance L3, power switch pipe Q9 and power switch pipe Q10 are constituted and are recommended conversion.
Preferably, described power switch pipe Q8, Q7, Q6 and Q5 constitute full-bridge rectification.
Relative to the beneficial effect of prior art, by the utility model, there is provided a kind of inexpensive, efficient bi-directional power
Change technique, by the application of this technology, it is possible to achieve rectification changes, and inversion grid connection change can be by digital control skill
Art, realizes that same set of power device realizes two-way change；For using same power device, traditional scheme only being needed on cost
Half；Simultaneously by the application of digital technology, it is possible to achieve rectification and the automatic switchover of inverter mode, without the need for adding extra setting
It is standby；Higher transformation efficiency is realized finally by distinctive topological structure, with good market using value.
Description of the drawings
Fig. 1 is the utility model connection diagram；
Fig. 2 is the utility model circuit diagram.
Specific embodiment
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the scope of the utility model specification record；Also, for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations should all belong to the protection model of the utility model claims
Enclose.
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can be with many different
Form is realizing, however it is not limited to the embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term " vertical " that this specification is used, " level ",
"left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, this specification is used all of technology and scientific terminology with belong to skill of the present utility model
The implication that the technical staff in art field is generally understood that is identical.In art used in the description of the present utility model in this specification
Language is intended merely to describe the purpose of specific embodiment, is not intended to limit the utility model.
The utility model is elaborated below in conjunction with the accompanying drawings.
It is shown as depicted in figs. 1 and 2, a kind of bi-directional power of digital control energy recovery, including power input, topology
Structure and power output end, the power input and power output end are all connected with topological structure；The topological structure includes double
Road non-bridge PFC unit, full-bridge converter unit and full wave rectifying unit, and be linked in sequence, the power input connection two-way without
Bridge PFC units, the power output end connects the full wave rectifying unit；
The two-way non-bridge PFC unit includes first group of non-bridge PFC and second group of non-bridge PFC, first group of non-bridge PFC
Including inductance L1, power switch pipe Q1, Q2 and electric capacity C1, second group of non-bridge PFC includes inductance L2, power switch pipe Q3,
Q4 and electric capacity C1, the electric capacity C1 constitute tie point, its tie point be respectively first node and Section Point described in power open
Close pipe Q1, Q3 and be composed in series the second branch road, its tie point is respectively the 3rd node and fourth node；The first node and the 3rd
Connect the inductance L1 between node, the inductance L2 is connected between the Section Point and fourth node；The power switch
5th node is set between pipe Q1, Q3, the 6th node, the 5th node and the are set between described power switch pipe Q2, Q4
Electric capacity C is set between six nodes；
The full-bridge converter unit includes power switch pipe Q5, Q6, Q7, Q8 and transformer T, the 5th node and the 6th
Connect power switch pipe Q5 and power switch pipe Q6, the power switch pipe Q5 and power switch pipe Q6 series connection between node, state
Power switch pipe Q7 and power switch pipe Q8, the power switch pipe Q7 and power are also connected between 5th node and the 6th node
Switching tube Q8 connects, and the 7th node, the power switch pipe Q7 are arranged between the power switch pipe Q5 and power switch pipe Q6
8th node is set and power switch pipe Q8 between, electric capacity C2 and transformer T is connected between the 7th node and the 8th node
Primary side, the primary side of the electric capacity C2 and transformer T, the electric capacity C2 and transformer T connect, and the electric capacity C2 is arranged at
Near described 7th node one end；
The full wave rectifying unit includes power switch pipe Q9 and Q10, and the power switch pipe Q9 and Q10 is all connected to become
Depressor T secondary sides, the power switch pipe Q9 connects with inductance L3, and the transformer T secondary sides are in parallel with electric capacity C0.
Preferably, the inductance L3, power switch pipe Q9 and power switch pipe Q10 are constituted and are recommended conversion.
Preferably, described power switch pipe Q8, Q7, Q6 and Q5 constitute full-bridge rectification.
Bi-directional power conversion detailed process is as follows, the power input connection civil power, the first step, rectifier boost process,
And alternating current 220V is converted into into direct current 380V, by inductance L1, power switch pipe Q1, Q2 and electric capacity C1 constitute first group without bridge
PFC, completes the boosting rectification of positive half cycle；By inductance L2, power switch pipe Q3, Q4 and electric capacity C1 constitute second group of non-bridge PFC, complete
Into the rectifier boost of negative half period.
Second step, DC-DC step-down changes, and exchange 380V is converted into into required DC voltage, by power switch pipe Q5,
Q6, Q7, Q8 and transformer T composition full-bridges change, constitute full-wave rectification structure by power switch pipe Q9 and power switch pipe Q10.
Inversion is converted：
The first step, DC-DC decompression transformations, will power output end low-voltage direct as input, by the inductance L3, work(
Rate switching tube Q9 and power switch pipe Q10 is constituted and is recommended conversion, and the output end of the full-bridge change unit is described complete as output
The input of bridge change unit constitutes full-bridge rectification unit as output, is direct current by the low-voltage direct boosting of output end
380V。
Second step, DC-AC inversion grid connections, using the output end of two-way non-bridge PFC unit as input, two-way non-bridge PFC list
The input of unit constitutes full-bridge inverting unit as output, direct current 380V is become and turns to civil power, is incorporated to electricity network.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the scope of the utility model specification record；Also, for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations should all belong to the protection model of the utility model claims
Enclose.
Claims (3)
1. a kind of bi-directional power of digital control energy recovery, it is characterised in that including power input, topological structure and power supply
Output end, the power input and power output end are all connected with topological structure；The topological structure includes two-way non-bridge PFC list
Unit, full-bridge converter unit and full wave rectifying unit, and be linked in sequence, the power input connects two-way non-bridge PFC unit, institute
State power output end and connect the full wave rectifying unit；
The two-way non-bridge PFC unit includes first group of non-bridge PFC and second group of non-bridge PFC, and first group of non-bridge PFC includes
Inductance L1, power switch pipe Q1, Q2 and electric capacity C1, second group of non-bridge PFC include inductance L2, power switch pipe Q3, Q4 and
Electric capacity C1, the electric capacity C1 constitutes tie point, and its tie point is respectively power switch pipe described in first node and Section Point
Q1, Q3 are composed in series the second branch road, and its tie point is respectively the 3rd node and fourth node；The first node and the 3rd node
Between connect the inductance L1, the inductance L2 is connected between the Section Point and fourth node；The power switch pipe Q1,
5th node is set between Q3, the 6th node, the 5th node and the 6th node are set between described power switch pipe Q2, Q4
Between arrange electric capacity C；
The full-bridge converter unit includes power switch pipe Q5, Q6, Q7, Q8 and transformer T, the 5th node and the 6th node
Between connect power switch pipe Q5 and power switch pipe Q6, the power switch pipe Q5 and power switch pipe Q6 series connection, state the 5th
Power switch pipe Q7 and power switch pipe Q8, the power switch pipe Q7 and power switch are also connected between node and the 6th node
Pipe Q8 connects, and the 7th node, the power switch pipe Q7 and work(are arranged between the power switch pipe Q5 and power switch pipe Q6
8th node is set between rate switching tube Q8, the one of electric capacity C2 and transformer T is connected between the 7th node and the 8th node
Secondary side, the primary side of the electric capacity C2 and transformer T, the electric capacity C2 and transformer T connect, and the electric capacity C2 is disposed in proximity to
Described 7th node one end；
The full wave rectifying unit includes power switch pipe Q9 and Q10, and the power switch pipe Q9 and Q10 is all connected to transformer
T secondary sides, the power switch pipe Q9 connects with inductance L3, and the transformer T secondary sides are in parallel with electric capacity C0.
2. a kind of bi-directional power of digital control energy recovery according to claim 1, it is characterised in that the inductance L3,
Power switch pipe Q9 and power switch pipe Q10 is constituted and is recommended conversion.
3. a kind of bi-directional power of digital control energy recovery according to claim 1, it is characterised in that the power switch
Pipe Q8, Q7, Q6 and Q5 constitute full-bridge rectification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265335.7U CN206164393U (en) | 2016-11-24 | 2016-11-24 | Digital control energy recovery's two -way power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265335.7U CN206164393U (en) | 2016-11-24 | 2016-11-24 | Digital control energy recovery's two -way power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164393U true CN206164393U (en) | 2017-05-10 |
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ID=58661035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621265335.7U Active CN206164393U (en) | 2016-11-24 | 2016-11-24 | Digital control energy recovery's two -way power |
Country Status (1)
| Country | Link |
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| CN (1) | CN206164393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972831A (en) * | 2020-07-22 | 2022-01-25 | 广东美的制冷设备有限公司 | Power factor correction circuit and control method thereof, medium, compressor and air conditioner |
-
2016
- 2016-11-24 CN CN201621265335.7U patent/CN206164393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972831A (en) * | 2020-07-22 | 2022-01-25 | 广东美的制冷设备有限公司 | Power factor correction circuit and control method thereof, medium, compressor and air conditioner |
| CN113972831B (en) * | 2020-07-22 | 2023-10-13 | 广东美的制冷设备有限公司 | Power factor correction circuit, control method thereof, medium, compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 203, Building E, Taohuayuan Zhichuang Town, Tiegang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Resonance New Energy Co.,Ltd. Address before: Building 34, Light Industry Factory, Zone 5, Huaide Cuigang Industrial Park, Fuyong Street, An District, Shenzhen City, Guangdong Province, 518000 Patentee before: SHENZHEN CUPOWER SMART TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address |