CN205355905U - Charging device of electric automobile and electric automobile - Google Patents
Charging device of electric automobile and electric automobile Download PDFInfo
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- CN205355905U CN205355905U CN201521129252.0U CN201521129252U CN205355905U CN 205355905 U CN205355905 U CN 205355905U CN 201521129252 U CN201521129252 U CN 201521129252U CN 205355905 U CN205355905 U CN 205355905U
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- brachium pontis
- switch
- phase
- electric automobile
- bridge
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- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an electric automobile's charging device and electric automobile, wherein, the device includes: first and second switches each having a first terminal, a second terminal, and a third terminal, the first terminal of the first switch being connected to one terminal of the single-phase ac power supply, the first terminal of the second switch being connected to the other terminal of the single-phase ac power supply; the three-phase rectifier bridge comprises three-phase bridge arms, wherein each phase of bridge arm is provided with a node, the second end and the third end of the first switch are respectively and correspondingly connected with the node of any two phase of bridge arms in the three-phase bridge arms, and the second end and the third end of the second switch are respectively and correspondingly connected with the node of the other phase of bridge arm in the three-phase bridge arms and any one node in the nodes of any two phase of bridge arms; and the control unit is used for controlling the first switch and the second switch to select two phases of the three-phase bridge arms to carry out rectification work so as to enable the three-phase bridge arms to work alternately. The utility model discloses a device can prolong charging device's life.
Description
Technical field
This utility model relates to electric vehicle engineering field, particularly to charging device and the electric automobile of a kind of electric automobile.
Background technology
When using single phase alternating current power supply that electric automobile is charged, in the charging device (as being integrated with the electric machine controller of charge function) of electric automobile, it is that the full-bridge being made up of biphase brachium pontis carries out rectification work mostly.Brachium pontis is generally made up of switching device, and switching device is respectively provided with certain service life.The service life of switching device can affect the service life of brachium pontis or even whole charging device undoubtedly.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent.For this, the purpose of this utility model is in that to propose the charging device of a kind of electric automobile, it is possible to extend the service life of charging device.
Second purpose of the present utility model is in that to propose a kind of electric automobile.
The charging device of the electric automobile according to this utility model first aspect embodiment, including: the first switch and second switch, described first switch and described second switch all include the first end, the second end and the 3rd end, first end of described first switch is connected with one end of single phase alternating current power supply, and the first end of described second switch is connected with the other end of described single phase alternating current power supply；Three-phase commutation bridge, described three-phase commutation bridge includes the first brachium pontis, the second brachium pontis and the 3rd brachium pontis, every phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis is respectively provided with node, wherein, second end of described first switch and the 3rd end are corresponding with the node of any biphase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis connected respectively, and the second end of described second switch and the 3rd end are corresponding with the node of another phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis and any one node in the node of this any biphase brachium pontis respectively to be connected；Control unit, described control unit is by being controlled selecting the biphase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis to carry out rectification work to described first switch and described second switch, so that described first brachium pontis, the second brachium pontis and the 3rd brachium pontis rotation are operated.
Charging device according to electric automobile of the present utility model, three-phase commutation bridge has three-phase brachium pontis, first switch is connected with any biphase brachium pontis in three-phase brachium pontis, second switch is connected with any one phase brachium pontis in another phase brachium pontis and above-mentioned any biphase brachium pontis, by the control to the first switch and second switch, what select in three-phase brachium pontis biphase carries out rectification work, so that three-phase brachium pontis rotation is operated, thus, it can be avoided that constantly use a certain phase or biphase brachium pontis for a long time such that it is able to extend the service life of charging device.
It addition, the charging device according to the electric automobile of this utility model above-described embodiment can also have following additional technical characteristic:
According to an embodiment of the present utility model, described first switch and second switch are controlled single-pole double-throw switch (SPDT).
According to an embodiment of the present utility model, the every phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis includes switch on the bridge device and bridge switch device.
Further, described switch on the bridge device and bridge switch device are IGBT (InsulatedGateBipolarTransistor, insulated gate bipolar transistor).
According to an embodiment of the present utility model, described device also includes: the first electric capacity, and described first electric capacity is connected between the first outfan of described three-phase commutation bridge and the second outfan；First power switch pipe, the first end of described first power switch pipe is connected with the first outfan of described three-phase commutation bridge；Second power switch pipe, the first end of described second power switch pipe is connected with the second end of described first power switch pipe, and the second end of described second power switch pipe is connected with the second outfan of described three-phase commutation bridge；Inductance, one end of described inductance is connected with the first end of the second end of described first power switch pipe and described second power switch pipe respectively；Second electric capacity, one end of described second electric capacity is connected with the other end of described inductance, and the other end of described second electric capacity is connected with the second outfan of described three-phase commutation bridge.
Electric automobile according to this utility model second aspect embodiment, including the charging device of the electric automobile according to this utility model first aspect embodiment.
According to electric automobile of the present utility model, in its charging device, three-phase commutation bridge has three-phase brachium pontis, first switch is connected with any biphase brachium pontis in three-phase brachium pontis, second switch is connected with any one phase brachium pontis in another phase brachium pontis and above-mentioned any biphase brachium pontis, by the control to the first switch and second switch, what select in three-phase brachium pontis biphase carries out rectification work, so that three-phase brachium pontis rotation is operated, thus, it can be avoided that constantly use a certain phase or biphase brachium pontis for a long time, thus the service life of charging device of electric automobile can be extended.
Accompanying drawing explanation
Fig. 1 is the structural representation of the charging device according to electric automobile of the present utility model；
Fig. 2 is the structural representation of the charging device of the electric automobile according to another embodiment of this utility model.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Charging device and the electric automobile of the electric automobile of driver of the present utility model are described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the charging device according to electric automobile of the present utility model.
As it is shown in figure 1, the charging device of electric automobile of the present utility model, including: the first switch 10, second switch 20, three-phase commutation bridge 30 and control unit 40 (not shown).
Wherein, the first switch 10 and second switch 20 may each comprise the first end, the second end and the 3rd end.First end 11 of the first switch 10 is connected with one end of single phase alternating current power supply AC, and the first end 21 of second switch 20 is connected with the other end of single phase alternating current power supply AC.Three-phase commutation bridge 30 can include the first brachium pontis 31, second brachium pontis 32 and the 3rd brachium pontis 33, first brachium pontis 31, every phase brachium pontis in second brachium pontis 32 and the 3rd brachium pontis 33 is respectively provided with node, wherein, first switch 10 the second end 12 and the 3rd end 13 respectively with the first brachium pontis 31, second brachium pontis 32 is connected with the node correspondence of any biphase brachium pontis in the 3rd brachium pontis 33, second end 22 of second switch 20 and the 3rd end 23 respectively with the first brachium pontis 31, second brachium pontis 32 is connected with any one the node correspondence in the node of this any biphase brachium pontis with the node of another phase brachium pontis in the 3rd brachium pontis 33.Control unit 40 is by being controlled selecting the biphase brachium pontis in first brachium pontis the 31, second brachium pontis 32 and the 3rd brachium pontis 33 to carry out rectification work to the first switch 10 and second switch 20, so that first brachium pontis the 31, second brachium pontis 32 and the 3rd brachium pontis 33 rotation are operated.
For ease of example, in FIG, second end 12 of the first switch 10 is corresponding with the node of the first brachium pontis 31 and the second brachium pontis 32 respectively with the 3rd end 13 to be connected, and the second end 22 of second switch 20 is corresponding with the node of the second brachium pontis 32 and the 3rd brachium pontis 33 respectively with the 3rd end 23 to be connected.
In this utility model, with reference to Fig. 1, the every phase brachium pontis in first brachium pontis the 31, second brachium pontis 32 and the 3rd brachium pontis 33 can include switch on the bridge device and bridge switch device.Wherein, switch on the bridge device and bridge switch device can be IGBT.For single phase alternating current power supply, any biphase brachium pontis in first brachium pontis the 31, second brachium pontis 32 and the 3rd brachium pontis 33 all may make up a full-bridge that the single-phase alternating current of its input can carry out rectification.
In this utility model, the first switch 10 and second switch 20 can be controlled single-pole double-throw switch (SPDT).Thus, contact with the second end 12 when control unit 40 controls the first end 11 of the first switch 10, and when the first end 21 controlling second switch 20 contacts with the second end 22, the first brachium pontis 31 and the second brachium pontis 32 can be made to constitute a full-bridge that can carry out rectification work；Contact with the second end 12 when control unit 40 controls the first end 11 of the first switch 10, and when the first end 21 controlling second switch 20 contacts with the 3rd end 23, the first brachium pontis 31 and the 3rd brachium pontis 33 can be made to constitute a full-bridge that can carry out rectification work；Contact with the 3rd end 13 when control unit 40 controls the first end 11 of the first switch 10, and when the first end 21 controlling second switch 20 contacts with the 3rd end 23, the second brachium pontis 32 and the 3rd brachium pontis 33 can be made to constitute a full-bridge that can carry out rectification work.Should be appreciated that and only illustrate in time being attached in the way of Fig. 1 at this, control unit 40 is to the first control mode switching 10 and second switch 20, and the job rotation mode of first brachium pontis the 31, second brachium pontis 32 of its correspondence and the 3rd brachium pontis 33.When first switch 10 and second switch 20 and first brachium pontis the 31, second brachium pontis 32 and the 3rd brachium pontis 33 be otherwise attached time, corresponding control mode and job rotation mode can be analogized accordingly, for avoiding redundancy, numerous to list herein.
Additionally, as in figure 2 it is shown, be the correlation function realizing charging device better, the charging device of electric automobile of the present utility model may also include that the first electric capacity C1, the first power switch pipe Q1, the second power switch pipe Q2, inductance L and the second electric capacity C2.
Wherein, the first electric capacity C1 is connected between the first outfan of three-phase commutation bridge 30 and the second outfan.In this utility model, in every phase brachium pontis, one end of switch on the bridge device is connected with one end of bridge switch device, and node is between switch on the bridge device and bridge switch device.And often the other end of the switch on the bridge device of phase brachium pontis is attached to the first outfan together as three-phase commutation bridge 30.Similarly, the other end of the bridge switch device of every phase brachium pontis is attached to the second outfan together as three-phase commutation bridge 30.
First end of the first power switch pipe Q1 is connected with the first outfan of three-phase commutation bridge 30, first end of the second power switch pipe Q2 and the second end of the first power switch pipe are connected, and second end of the second power switch pipe Q2 is connected with the second outfan of three-phase commutation bridge 30.One end of inductance L is connected with the first end of second end of the first power switch pipe Q1 and the second power switch pipe Q2 respectively.One end of second electric capacity C2 is connected with the other end of inductance L, and the other end of the second electric capacity C2 is connected with the second outfan of three-phase commutation bridge 31.Cooperation by above-mentioned device, it is possible to realize the functions such as voltage stabilizing, filtering and protection circuit, thus realizing the complete procedure that accumulator B is charged.
Charging device according to electric automobile of the present utility model, three-phase commutation bridge has three-phase brachium pontis, first switch is connected with any biphase brachium pontis in three-phase brachium pontis, second switch is connected with any one phase brachium pontis in another phase brachium pontis and above-mentioned any biphase brachium pontis, by the control to the first switch and second switch, what select in three-phase brachium pontis biphase carries out rectification work, so that three-phase brachium pontis rotation is operated, thus, it can be avoided that constantly use a certain phase or biphase brachium pontis for a long time such that it is able to extend the service life of charging device.
Corresponding above-described embodiment, this utility model also proposes a kind of electric automobile.
Electric automobile of the present utility model, including the charging device of the electric automobile according to this utility model above-described embodiment.Its specific embodiment can refer to above-described embodiment, does not repeat them here.
According to electric automobile of the present utility model, in its charging device, three-phase commutation bridge has three-phase brachium pontis, first switch is connected with any biphase brachium pontis in three-phase brachium pontis, second switch is connected with any one phase brachium pontis in another phase brachium pontis and above-mentioned any biphase brachium pontis, by the control to the first switch and second switch, what select in three-phase brachium pontis biphase carries out rectification work, so that three-phase brachium pontis rotation is operated, thus, it can be avoided that constantly use a certain phase or biphase brachium pontis for a long time, thus the service life of charging device of electric automobile can be extended.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (6)
1. the charging device of an electric automobile, it is characterised in that including:
First switch and second switch, described first switch and described second switch all include the first end, the second end and the 3rd end, first end of described first switch is connected with one end of single phase alternating current power supply, and the first end of described second switch is connected with the other end of described single phase alternating current power supply；
Three-phase commutation bridge, described three-phase commutation bridge includes the first brachium pontis, the second brachium pontis and the 3rd brachium pontis, every phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis is respectively provided with node, wherein, second end of described first switch and the 3rd end are corresponding with the node of any biphase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis connected respectively, and the second end of described second switch and the 3rd end are corresponding with the node of another phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis and any one node in the node of this any biphase brachium pontis respectively to be connected；
Control unit, described control unit is by being controlled selecting the biphase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis to carry out rectification work to described first switch and described second switch, so that described first brachium pontis, the second brachium pontis and the 3rd brachium pontis rotation are operated.
2. the charging device of electric automobile according to claim 1, it is characterised in that described first switch and second switch are controlled single-pole double-throw switch (SPDT).
3. the charging device of electric automobile according to claim 1, it is characterised in that the every phase brachium pontis in described first brachium pontis, the second brachium pontis and the 3rd brachium pontis includes switch on the bridge device and bridge switch device.
4. the charging device of electric automobile according to claim 3, it is characterised in that described switch on the bridge device and bridge switch device are IGBT.
5. the charging device of the electric automobile according to any one of claim 1-4, it is characterised in that also include:
First electric capacity, described first electric capacity is connected between the first outfan of described three-phase commutation bridge and the second outfan；
First power switch pipe, the first end of described first power switch pipe is connected with the first outfan of described three-phase commutation bridge；
Second power switch pipe, the first end of described second power switch pipe is connected with the second end of described first power switch pipe, and the second end of described second power switch pipe is connected with the second outfan of described three-phase commutation bridge；
Inductance, one end of described inductance is connected with the first end of the second end of described first power switch pipe and described second power switch pipe respectively；
Second electric capacity, one end of described second electric capacity is connected with the other end of described inductance, and the other end of described second electric capacity is connected with the second outfan of described three-phase commutation bridge.
6. an electric automobile, it is characterised in that include the charging device of electric automobile according to any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129252.0U CN205355905U (en) | 2015-12-30 | 2015-12-30 | Charging device of electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129252.0U CN205355905U (en) | 2015-12-30 | 2015-12-30 | Charging device of electric automobile and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355905U true CN205355905U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129252.0U Expired - Fee Related CN205355905U (en) | 2015-12-30 | 2015-12-30 | Charging device of electric automobile and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599540A (en) * | 2018-05-17 | 2018-09-28 | 华中科技大学 | A kind of redundancy structure of cascaded H-bridges Three-phase electronic power transformer |
| WO2022011532A1 (en) * | 2020-07-14 | 2022-01-20 | 深圳欣锐科技股份有限公司 | Three-phase charging and single-phase charging mutual switching circuit and related device |
-
2015
- 2015-12-30 CN CN201521129252.0U patent/CN205355905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599540A (en) * | 2018-05-17 | 2018-09-28 | 华中科技大学 | A kind of redundancy structure of cascaded H-bridges Three-phase electronic power transformer |
| WO2022011532A1 (en) * | 2020-07-14 | 2022-01-20 | 深圳欣锐科技股份有限公司 | Three-phase charging and single-phase charging mutual switching circuit and related device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20211230 |