CN206962725U - It is a kind of can the shared novel inverter of single three-phase - Google Patents
It is a kind of can the shared novel inverter of single three-phase Download PDFInfo
- Publication number
- CN206962725U CN206962725U CN201720593213.9U CN201720593213U CN206962725U CN 206962725 U CN206962725 U CN 206962725U CN 201720593213 U CN201720593213 U CN 201720593213U CN 206962725 U CN206962725 U CN 206962725U
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- phase
- inverter
- electric energy
- control module
- converter module
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Abstract
The utility model discloses it is a kind of can the shared novel inverter of single three-phase, include converter module, switching switch, control module；The converter module has three independent single-phase inversion circuits, the described three common input direct-current electric energy of independent single-phase inversion circuit；The switching switch is single-pole double-throw switch (SPDT), can be by three phase line pins in parallel of the converter module to together；The control module controls each single-phase inversion circuit in the converter module, and coordinates the control switching switch.Three-phase electric energy and the single-phase electric energy output of identical capacity can be realized, expands the accommodation of electric energy output.
Description
Technical field
The utility model is related to a kind of power supply manufacturing field, it is particularly a kind of can the shared novel inverter of single three-phase.
Background technology
In the place of no public electric wire net, or meet with and have to last for the occasion of work, it is necessary to configure standby electricity when having a power failure
Source.Stand-by power supply utilizes other energy forms, if other energy conversions are to be adapted to electrical equipment by battery, thermal power machinery
Electric energy.Wherein, inverter is through commonly used device.Its input direct-current electric energy, export the alternating current being adapted to electrical equipment
Energy.
Current inverter, there is single-phase and the product category of three-phase point by Output system.But in actual use, use
Electric equipment is likely to require single-phase input, it is also possible to needs three-phase input.Therefore, the compatibility of prior art is not strong, adapts to
Scope is restricted.
Utility model content
In view of the drawbacks described above of prior art, the purpose of this utility model be just to provide it is a kind of can single three-phase share it is new
Type inverter, it is possible to achieve three-phase electric energy and the single-phase electric energy output of identical capacity, expand accommodation.
The purpose of this utility model realized by such technical scheme, it is a kind of can the shared new inversion of single three-phase
Device, it includes converter module, switching switch, control module；
The converter module has three independent single-phase inversion circuits, and described three independent single-phase inversion circuits are total to
With input direct-current electric energy；
The switching switch is single-pole double-throw switch (SPDT), for by three phase line pins in parallel of the converter module to one
Rise；
The control module controls each single-phase inversion circuit in the converter module, and coordinates the control switching
Switch.
Further, one of lead-out terminal of each single-phase inversion circuit and another single-phase inverter circuit
One lead-out terminal connects together, the neutral point as three-phase electric energy output.
Further, the phase that another lead-out terminal of each single-phase inversion circuit exports respectively as three-phase electric energy
Line.
Further, control module control switching switch by phase line it is separate when, be now in three-phase output mode,
Control module controls the switching sequence of each single-phase inverter simultaneously, each phase line is differed with the voltage vector of neutral point
120 °, as three-phase four-wire system electric energy exports.
Further, when phase line is connected in parallel by the control module control switching switch, single-phase output pattern is now in,
Control module controls the switching sequence of each single-phase inverter simultaneously, each phase line is differed 0 ° with the voltage vector of neutral point,
As single-phase electric energy exports.
By adopting the above-described technical solution, the utility model has the following advantages：
It is strong to provide a kind of compatibility, it is possible to achieve the inverter of three-phase electric energy and the single-phase electric energy output of identical capacity, expand
The big accommodation of electric energy output.
Other advantages, target and feature of the present utility model will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book and claims are realized and obtained.
Brief description of the drawings
Brief description of the drawings of the present utility model is as follows：
Fig. 1 is control principle drawing of the present utility model；
In figure：UI is converter module；UIa is a inverter circuits；UIb is b inverter circuits；UIc is c inverter circuits；K is
Switching switch；K1 is that the first switching switchs；K2 is that the second switching switchs；K3 is that the 3rd switching switchs；C is control module.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment：As shown in figure 1, it is a kind of can the shared novel inverter of single three-phase, it includes converter module, switching
Switch, control module；Converter module has three independent single-phase inversion circuits, and three independent single-phase inversion circuits are common
Input direct-current electric energy；Switching switch be single-pole double-throw switch (SPDT), for by three phase line pins in parallel of converter module to together；
Each single-phase inversion circuit in control module control converter module, and coordinate control switching switch.
The one of lead-out terminal and an output end of another single-phase inverter circuit of each single-phase inversion circuit
Son connects together, the neutral point as three-phase electric energy output.
The phase line that another lead-out terminal of each single-phase inversion circuit exports respectively as three-phase electric energy.
Control module control switching switch by phase line it is separate when, be now in three-phase output mode, while control mould
Block controls the switching sequence of each single-phase inverter, each phase line is differed 120 °, as three-phase with the voltage vector of neutral point
Four-wire system electric energy exports.
When phase line is connected in parallel by control module control switching switch, single-phase output pattern is now in, while control mould
Block controls the switching sequence of each single-phase inverter, each phase line is differed 0 °, as single-phase electricity with the voltage vector of neutral point
Can output.
A inverter circuit UIa, b inverter circuit UIb and c inverter circuit tri- inverter circuits of UIc are respectively turned on mains supply,
And three inverter circuits UIa, UIb, UIc are also connected with control module C respectively.Wherein, each single-phase inversion circuit is wherein
One lead-out terminal connects together with a lead-out terminal of another single-phase inverter circuit, as three-phase electric energy output
Neutral point.
A lead-out terminal in a inverter circuits UIa is connected with the first switching switch K1, and the first switching switch K1 is bullet
Road commutator.A lead-out terminal in b inverter circuits UIb is connected with the second switching switch K2, and the second switching switch K1
For trajectory commutator.A lead-out terminal in c inverter circuits UIc is connected with the 3rd switching switch K3, and the 3rd switching is opened
Pass K1 is trajectory commutator.An also, output end in a inverter circuits UIa, b inverter circuit UIb and c inverter circuits UIc
Son is also grounded GND simultaneously.
As the first switching switch K1 connection K11, and the second switching switchs K2 connection K21, and the 3rd switching switch K3
When connecting K31 simultaneously, corresponding three inverter circuits export phase voltage Vb and the C phase of phase voltage Va, the B phase of A phases respectively
Phase voltage Vc.Such a pattern is three phase modes, can carry out three-phase output.
As the first switching switch K1 connection K12, and the second switching switchs K2 connection K22, and the 3rd switching switch K3
When connecting K32 simultaneously, corresponding three inverter circuits are formed and are connected in parallel, and are now exported three inverter circuits and are exported mutually electricity jointly
Press V+.Such a pattern is single-phase mode, can carry out single-phase output.
Because the output of each inverter is in parallel connection, system output capacity is each inverter capacity sum, therefore no matter
Three-phase output mode or single-phase output pattern, the capacity of system are identical.
The utility model has the advantage that：
It is strong to provide a kind of compatibility, it is possible to achieve the inverter of three-phase electric energy and the single-phase electric energy output of identical capacity, expand
The big accommodation of electric energy output.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should
Cover among right of the present utility model.
Claims (5)
1. a kind of can the shared novel inverter of single three-phase, it is characterised in that：The inverter includes converter module, switching
Switch, control module；
The converter module has three independent single-phase inversion circuits, and described three independent single-phase inversion circuits are jointly defeated
Enter direct current energy；
It is described switching switch be single-pole double-throw switch (SPDT), for by three phase line pins in parallel of the converter module to together；
The control module controls each single-phase inversion circuit in the converter module, and coordinates the control switching to open
Close.
2. as claimed in claim 1 can the shared novel inverter of single three-phase, it is characterised in that：Each single-phase inversion electricity
One of lead-out terminal on road connects together with a lead-out terminal of another single-phase inverter circuit, as three-phase electricity
The neutral point that can be exported.
3. as claimed in claim 2 can the shared novel inverter of single three-phase, it is characterised in that：Each single-phase inversion electricity
The phase line that another lead-out terminal on road exports respectively as three-phase electric energy.
4. as claimed in claim 2 can the shared novel inverter of single three-phase, it is characterised in that：The control module control is cut
Change switch by phase line it is separate when, be now in three-phase output mode, while control module controls each single-phase inverter
Switching sequence, each phase line is set to differ 120 ° with the voltage vector of neutral point, as three-phase four-wire system electric energy exports.
5. as claimed in claim 2 can the shared novel inverter of single three-phase, it is characterised in that：The control module control is cut
Switch is changed when phase line is connected in parallel, is now in single-phase output pattern, while control module controls each single-phase inverter
Switching sequence, each phase line is set to differ 0 ° with the voltage vector of neutral point, as single-phase electric energy exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593213.9U CN206962725U (en) | 2017-05-25 | 2017-05-25 | It is a kind of can the shared novel inverter of single three-phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593213.9U CN206962725U (en) | 2017-05-25 | 2017-05-25 | It is a kind of can the shared novel inverter of single three-phase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962725U true CN206962725U (en) | 2018-02-02 |
Family
ID=61374502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720593213.9U Expired - Fee Related CN206962725U (en) | 2017-05-25 | 2017-05-25 | It is a kind of can the shared novel inverter of single three-phase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962725U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535181A (en) * | 2019-10-08 | 2019-12-03 | 航天柏克(广东)科技有限公司 | A kind of multi-standard solar energy is from grid-connected inverting system |
| CN112910290A (en) * | 2021-03-04 | 2021-06-04 | 深圳市德兰明海科技有限公司 | Inverter circuit and inverter |
| CN114142740A (en) * | 2021-11-19 | 2022-03-04 | 广东福德电子有限公司 | High-capacity multifunctional power supply system structure and control method thereof |
-
2017
- 2017-05-25 CN CN201720593213.9U patent/CN206962725U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535181A (en) * | 2019-10-08 | 2019-12-03 | 航天柏克(广东)科技有限公司 | A kind of multi-standard solar energy is from grid-connected inverting system |
| CN112910290A (en) * | 2021-03-04 | 2021-06-04 | 深圳市德兰明海科技有限公司 | Inverter circuit and inverter |
| CN114142740A (en) * | 2021-11-19 | 2022-03-04 | 广东福德电子有限公司 | High-capacity multifunctional power supply system structure and control method thereof |
| CN114142740B (en) * | 2021-11-19 | 2023-09-22 | 广东福德电子有限公司 | High-capacity multifunctional power supply system structure and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20190525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |