CN106685041A - Charging circuit of power battery and automobile - Google Patents
Charging circuit of power battery and automobile Download PDFInfo
- Publication number
- CN106685041A CN106685041A CN201710042008.8A CN201710042008A CN106685041A CN 106685041 A CN106685041 A CN 106685041A CN 201710042008 A CN201710042008 A CN 201710042008A CN 106685041 A CN106685041 A CN 106685041A
- Authority
- CN
- China
- Prior art keywords
- switch
- circuit
- charging circuit
- phase
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 96
- 239000004020 conductor Substances 0.000 claims description 35
- 239000003990 capacitor Substances 0.000 claims description 27
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000036772 blood pressure Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
-
- H02J2007/10—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a charging circuit of a power supply battery and an automobile, wherein the charging circuit of the power supply battery comprises: the method comprises the following steps: the charging circuit comprises a first phase electric charging circuit, a second phase electric charging circuit, a third phase electric charging circuit, a Buck voltage reduction circuit and a neutral wire. A fifth switch is arranged between the first-phase electric charging circuit and the second-phase electric charging circuit, a first end of the fifth switch is electrically connected with the first-phase electric input end, and a second end of the fifth switch is electrically connected with the first end of the second switch; and a sixth switch is arranged between the second-phase electric charging circuit and the neutral line, the first end of the sixth switch is electrically connected with the second end of the second switch, and the second end of the sixth switch is electrically connected with the neutral line. According to the embodiment of the invention, the switch is properly added in the three-phase charging circuit, so that any different two-phase circuit in the three-phase circuit can be recycled for charging in the one-way charging of the power supply battery.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to a kind of charging circuit and automobile of power-supply battery.
Background technology
In the unidirectional charging project that electric automobile enters network technology (i.e. V2G, Vehicle-to-grid), because input connects
The fixation of mouth, can only be biphase as the unidirectional passage for charging using certain in three-phase circuit, and a remaining other phase then always will not
Used, that is, adopt the biphase charging circuit of fixation to be charged for power-supply battery, when the quarter-phase circuit for so being used is long
Between work after, to the insulated gate bipolar transistor of this 2 phase (Insulated Gate Bipolar Transistor, referred to as
IGBT for), service life can be substantially reduced, and be easily damaged.
The content of the invention
The charging circuit and automobile of a kind of power-supply battery are embodiments provided, to solve power supply of the prior art
The charging circuit configuration of battery causes the IGBT rapid wears in the quarter-phase circuit for being used because being charged using fixed quarter-phase circuit
Bad problem.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
According to the one side of the embodiment of the present invention, there is provided a kind of charging circuit of power-supply battery, including：
The electric charging circuit of first phase, including：First phase electrical input, first switch and the first rectification circuit, described first
Phase electrical input is used to be electrically connected with the outfan of the mutually electricity of first in three phase network, the first end of the first switch with it is described
First phase electrical input is electrically connected, and the second end electrically connects with the input of first rectification circuit；
Two phase electricity charging circuit, including：Second phase electrical input, second switch and the second rectification circuit, described second
Phase electrical input be used for electrically connect with the outfan of the two phase electricity in three phase network, the first end of the second switch with it is described
Second phase electrical input is electrically connected, and the second end is connected with the input of second rectification circuit；
Third phase electricity charging circuit, including：Third phase electrical input, the 3rd switch and the 3rd rectification circuit, the described 3rd
Phase electrical input is used to be electrically connected with the outfan of the third phase electricity in three phase network, the first end and the 3rd of the 3rd switch
Phase electrical input is electrically connected, and the second end electrically connects with the input of the 3rd rectification circuit；
Buck reduction voltage circuits, the input of the Buck reduction voltage circuits respectively with first rectification circuit, described second
The outfan electrical connection of rectification circuit and the 3rd rectification circuit, outfan and the power supply electricity of the Buck reduction voltage circuits
Pond electrically connects；And
The neutral conductor, between the neutral conductor and third phase electricity charging circuit the 4th switch is provided with, and the described 4th opens
The first end of pass is electrically connected with the second end of the described 3rd switch, and the second end of the 4th switch is electrically connected with the neutral conductor
Connect；
Wherein, described first mutually the 5th switch is provided between electric charging circuit and the two phase electricity charging circuit, institute
State the 5th switch first end electrically connect with the first phase electrical input, it is described 5th switch the second end and the second switch
First end is electrically connected；
It is provided with the 6th switch between the two phase electricity charging circuit and the neutral conductor, the first of the 6th switch
End electrically connects with the second end of the second switch, and the second end of the 6th switch electrically connects with the neutral conductor；
When the first switch, the 3rd switch and the 4th switch closure, the second switch, the described 5th open
Close and the described 6th switch off after, the described first mutually electric charging circuit and third phase electricity charging circuit conducting, described the
The electric charging circuit of one phase, third phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and the neutrality
Line forms the first charge circuit of the power-supply battery；
When the second switch, the 3rd switch and the 5th switch closure, the first switch, the described 4th open
Close and the described 6th switch off after, the two phase electricity charging circuit and third phase electricity charging circuit conducting, described the
Two phase electricity charging circuit, third phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and the neutrality
Line forms the second charge circuit of the power-supply battery；
When the first switch, the second switch and the 6th switch closure, the 3rd switch, the described 4th open
Close after switching off with the described 5th, the described first mutually electric charging circuit and the two phase electricity charging circuit and conducting is described
First mutually electric charging circuit, the two phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and it is described in
Property line forms the 3rd charge circuit of the power-supply battery.
Further, the charging circuit of the power-supply battery also includes：
Cycle charging control module, opens respectively with first switch, the second switch, the 3rd switch, the described 4th
Close, the 5th switch and the 6th switch connect, on off state of the control to inductive switch, with a charging process
In, power-supply battery is charged using one of the first charge circuit, the second charge circuit and the 3rd charge circuit, and
In multiple charging process, recycle the first charge circuit, the second charge circuit and the 3rd charge circuit and power-supply battery is entered
Row charges.
Further, the charging circuit of the power-supply battery also includes：
The electric pre-charge circuit of first phase, including：First resistor, the 7th switch and the first electric capacity, the of the first resistor
One end electrically connects with the first phase electrical input, and the second end electrically connects with the first end of the described 7th switch, the 7th switch
Second end electrically connects with the first end of first electric capacity, and the second end of first electric capacity electrically connects with the neutral conductor；
Two phase electricity pre-charge circuit, including：Second resistance, the 8th switch and the second electric capacity, the of the second resistance
One end electrically connects with the second phase electrical input, and the second end electrically connects with the first end of the described 8th switch, the 8th switch
Second end electrically connects with the first end of second electric capacity, and the second end of second electric capacity electrically connects with the neutral conductor；
Third phase electricity pre-charge circuit, including：3rd resistor, the 9th switch and the 3rd electric capacity, the of the 3rd resistor
One end electrically connects with third phase electrical input, and the second end electrically connects with the first end of the described 9th switch, the 9th switch
Second end electrically connects with the first end of the 3rd electric capacity, and the second end of the 3rd electric capacity electrically connects with the neutral conductor.
Further, it is provided with the first filter inductance between the first switch and first rectification circuit, described
The first end of one filter inductance is electrically connected with the second end of the first switch, the input of the second end and first rectification circuit
End electrical connection；
The second filter inductance, second filter inductance are provided between the second switch and second rectification circuit
First end electrically connect with the second end of the second switch, the second end electrically connects with the input of second rectification circuit；
The 3rd filter inductance, the 3rd filter inductance are provided between 3rd switch and the 3rd rectification circuit
First end with the described 3rd switch the second end electrically connect, the second end electrically connects with the input of the 3rd rectification circuit.
Further, the first current sensor is provided between the first switch and first rectification circuit, it is described
The input of the first current sensor is electrically connected with the second end of the first switch, outfan and first rectification circuit
Input is electrically connected；
The second current sensor is provided between the second switch and second rectification circuit, second electric current is passed
The input of sensor is electrically connected with the second end of the second switch, and outfan is electrically connected with the input of second rectification circuit
Connect；
The 3rd current sensor is provided between 3rd switch and the 3rd rectification circuit, the 3rd electric current is passed
The input of sensor is electrically connected with the second end of the described 3rd switch, and outfan is electrically connected with the input of the 3rd rectification circuit
Connect.
Further, first rectification circuit includes：First IGBT and the 2nd IGBT, the source electrode of an IGBT with
The second end electrical connection of the first switch, drain electrode is electrically connected by the first bus with the input of the Buck reduction voltage circuits；
The drain electrode of the 2nd IGBT is electrically connected with the second end of the first switch, and source electrode is by the second bus and the Buck blood pressure lowerings
The input electrical connection of circuit；
Second rectification circuit includes：3rd IGBT and the 4th IGBT, the source electrode and described second of the 3rd IGBT
The second end electrical connection of switch, drain electrode is electrically connected by the first bus with the input of the Buck reduction voltage circuits；Described 4th
The drain electrode of IGBT is electrically connected with the second end of the second switch, and source electrode is defeated with the Buck reduction voltage circuits by the second bus
Enter end electrical connection；
3rd rectification circuit includes：5th IGBT and the 6th IGBT, the source electrode and the described 3rd of the 5th IGBT
The second end electrical connection of switch, drain electrode is electrically connected by the first bus with the Buck reduction voltage circuits；The leakage of the 6th IGBT
Pole electrically connects with the second end of the described 3rd switch, and source electrode is electrically connected by the second bus with the Buck reduction voltage circuits.
Further, the charging circuit of the power-supply battery, also includes：First bus capacitor and the second bus capacitor, it is described
The first end of the first bus capacitor is electrically connected by the first bus with the input of the Buck reduction voltage circuits, the second end with it is described
The first end electrical connection of the second bus capacitor, the second end of second bus capacitor is by second bus and the Buck
The input electrical connection of reduction voltage circuit.
Further, it is provided with the tenth switch on the neutral conductor, the first end of the tenth switch is respectively with described the
The second end electrical connection of four switches, the second end of the tenth switch and the first end and described second of first bus capacitor
The first end electrical connection of bus capacitor.
Further, the Buck reduction voltage circuits include：4th electric capacity, the 7th IGBT, the 8th IGBT, the 4th inductance；
The drain electrode of the 7th IGBT by the first bus respectively with the described first mutually outfan of electric charging circuit, described
The outfan electrical connection of the outfan of two phase electricity charging circuit, third phase electricity charging circuit, the source of the 7th IGBT
Pole electrically connects with the drain electrode of the 8th IGBT, and the source electrode of the 8th IGBT is mutually electric with described first respectively by the second bus
The outfan of charging circuit, the outfan of the two phase electricity charging circuit, the outfan electricity of third phase electricity charging circuit
Connection, the first end of the 4th inductance is electrically connected respectively with the drain electrode of the source electrode and eight IGBT of the 7th IGBT, institute
The second end for stating the 4th inductance electrically connects with the power-supply battery, and the 4th electric capacity is in parallel with the power-supply battery, and described
The first end of four electric capacity is electrically connected with the second end of the 4th electric capacity, and the second end electrically connects with the second bus.
According to the other side of the embodiment of the present invention, there is provided a kind of automobile, including：Power-supply battery as above
Charging circuit.
The invention has the beneficial effects as follows：
Above-mentioned technical proposal, is switched, so as to realize in power-supply battery by appropriate increase in three-phase charging circuit
In unidirectional charging, quarter-phase circuits arbitrarily different in three-phase circuit can be recycled and be charged, and not used and fix two
Circuitry phase is charged, so as to solve prior art in asked by the IGBT in the biphase charging circuit that uses of fixation is flimsy
Topic, improves the service life of IGBT.
Description of the drawings
Fig. 1 represents one of structural representation of charging circuit of power-supply battery provided in an embodiment of the present invention；
Fig. 2 represents the two of the structural representation of the charging circuit of power-supply battery provided in an embodiment of the present invention
Fig. 3 represents the three of the structural representation of the charging circuit of power-supply battery provided in an embodiment of the present invention；
Fig. 4 represents the four of the structural representation of the charging circuit of power-supply battery provided in an embodiment of the present invention；
Fig. 5 represents the five of the structural representation of the charging circuit of power-supply battery provided in an embodiment of the present invention；
Fig. 6 represents the six of the structural representation of the charging circuit of power-supply battery provided in an embodiment of the present invention.
Description of reference numerals is as follows：
1st, the electric charging circuit of the first phase；101st, the first phase electrical input；102nd, first switch；103rd, the first rectification circuit；
104th, the first filter inductance；105th, the first current sensor；1031st, an IGBT；1032nd, the 2nd IGBT；
2nd, two phase electricity charging circuit；201st, the second phase electrical input；202nd, second switch；203rd, the second rectification circuit；
204th, the second filter inductance；205th, the second current sensor；2031st, the 3rd IGBT；2032nd, the 4th IGBT；
3rd, third phase electricity charging circuit；301st, third phase electrical input；302nd, the 3rd switch；303rd, the 3rd rectification circuit；
304th, the 3rd filter inductance；305th, the 3rd current sensor；3031st, the 5th IGBT；3032nd, the 6th IGBT；
4th, Buck reduction voltage circuits；401st, the 4th electric capacity；402nd, the 7th IGBT；403rd, the 8th IGBT；404th, the 4th inductance；
5th, the neutral conductor；6th, the 5th switch；7th, the 6th switch；
8th, the electric pre-charge circuit of the first phase；801st, first resistor；802nd, the 7th switch；803rd, the first electric capacity；
9th, two phase electricity pre-charge circuit；901st, second resistance；902nd, the 8th switch；903rd, the second electric capacity；
10th, third phase electricity pre-charge circuit；1001st, 3rd resistor；1002nd, the 9th switch；1003rd, the 3rd electric capacity；
11st, the first bus；12nd, the second bus；13rd, the first bus capacitor；14th, the second bus capacitor；15th, the tenth switch；
16th, power-supply battery；17th, the 4th switch.
Specific embodiment
The exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing the present invention in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention and should not be by embodiments set forth here
Limited.On the contrary, there is provided these embodiments are able to be best understood from the present invention, and can be by the scope of the present invention
Complete conveys to those skilled in the art.
According to the one side of the embodiment of the present invention, there is provided a kind of charging circuit of power-supply battery, such as Fig. 1 to Fig. 3 institutes
Show, including：Electric charging circuit 1, two phase electricity charging circuit 2, the third phase electricity charging circuit 3 of first phase, the and of Buck reduction voltage circuits 4
The neutral conductor 5.
Wherein, as shown in figure 1, the electric charging circuit 1 of the first phase includes：First phase electrical input 101, the and of first switch 102
First rectification circuit 103.First phase electrical input 101 is used for the outfan mutually electric with first in three phase network and electrically connects, the
The first end of one switch 102 is electrically connected with the first phase electrical input 101, and the second end is electric with the input of the first rectification circuit 103
Connection.As shown in Fig. 2 two phase electricity charging circuit 2 includes：Second phase electrical input 201, the rectification of second switch 202 and second
Circuit 203, the second phase electrical input 201 is used to be electrically connected with the outfan of the two phase electricity in three phase network, second switch 202
First end be used for electrically connect with the second phase electrical input 201, the second end is connected with the input of the second rectification circuit 203.Such as
Shown in Fig. 3, third phase electricity charging circuit 3 includes：3rd switch 301 and the 3rd rectification circuit 303, the first of the 3rd switch 301
Hold for electrically connecting with third phase electrical input 301, the second end electrically connects with the input of the 3rd rectification circuit 303.
It should be noted that the first phase electricity described here is the R phases electricity (i.e. U phases electricity) in three-phase electricity, two phase electricity is
S-phase electricity (i.e. V phases electricity) in three-phase electricity, third phase electricity is the T-phase electricity (i.e. W phases electricity) in three-phase electricity.
Wherein, the input of Buck reduction voltage circuits 4 respectively with the first rectification circuit 103, the second rectification circuit 203 and the 3rd
The outfan electrical connection of rectification circuit 303, the outfan of Buck reduction voltage circuits 4 is electrically connected with power-supply battery 16.
Wherein, the 4th switch 17 is provided between the neutral conductor 5 and third phase electricity charging circuit 3, the 4th switchs the first of 17
The second end with the 3rd switch 301 is held to electrically connect, the second end of the 4th switch 17 electrically connects with the neutral conductor 5.
Wherein, first the 5th switch 6, the 5th switch are mutually provided between electric charging circuit 1 and two phase electricity charging circuit 2
6 first end is electrically connected with the first phase electrical input 101, and the 5th switchs 6 the second end and the first end of the second switch 202
Electrical connection.Be provided between two phase electricity charging circuit 2 and the neutral conductor 5 the 6th switch 7, the 6th switch 7 first end with it is described
The second end electrical connection of second switch 202, the second end of the 6th switch 7 electrically connects with the neutral conductor 5.
When the switch 17 of the switch of first switch the 102, the 3rd 301 and the 4th is closed, the switch of second switch the 202, the 5th 6 and the 6th
After switching 7 disconnections, the electric charging circuit 1 of the first phase is turned on third phase electricity charging circuit 3, the first phase electricity charging circuit 1, third phase
Electric charging circuit 3, Buck reduction voltage circuits 4, power-supply battery 16 and the neutral conductor 5 form the first charge circuit of power-supply battery 16.
When the switch 6 of the switch of second switch the 202, the 3rd 301 and the 5th is closed, the switch of first switch the 102, the 4th 17 and the 6th
After switch 7 disconnects, two phase electricity charging circuit 2 is turned on third phase electricity charging circuit 3, two phase electricity charging circuit 2, third phase
Electric charging circuit 3, Buck reduction voltage circuits 4, power-supply battery 16 and the neutral conductor 5 (N) form the second of power-supply battery 16 and charge back
Road.
When first switch 102, the switch of second switch 202 and the 6th 7 are closed, the switch 17 and the 5th of the 3rd switch the 301, the 4th
After the disconnection of switch 6, the first mutually electric charging circuit 1 and two phase electricity charging circuit 2 and conducting, the electric charging circuit 1, second of the first phase
Mutually electric charging circuit 2, Buck reduction voltage circuits 4, power-supply battery 16 and the neutral conductor 5 form the 3rd of power-supply battery 16 and charge back
Road.
The embodiment of the present invention, by mutually increasing by the 5th switch 6 between the electric charging circuit of charging circuit 1 and second first,
Increase by the 6th switch 7 between the domain neutral conductor 5 of two phase electricity charging circuit 2, so as to realize the unidirectional charging in power-supply battery 16
In, can be charged using quarter-phase circuit arbitrarily different in three-phase circuit, and do not use fixed quarter-phase circuit and filled
Electricity, so as to solve prior art in by the flimsy problems of IGBT in the biphase charging circuit that uses of fixation, improve IGBT's
Service life.
Further, in the embodiment of the present invention, the charging circuit of power-supply battery also includes：Cycle charging control module.
The cycle charging control module is switched respectively with first switch 102, the switch of second switch the 202, the 3rd the 301, the 4th
17th, the 5th switch 6 and the 6th switch 7 connect, on off state of the control to inductive switch, in a charging process, to make
Power-supply battery 16 is charged with one of the first charge circuit, the second charge circuit and the 3rd charge circuit, Yi Ji
Repeatedly in charging process, recycle the first charge circuit, the second charge circuit and the 3rd charge circuit and power-supply battery 16 is entered
Row charges.
The embodiment of the present invention, recycles for convenience the biphase charging circuit in three-phase charging circuit, is filled by circulation
Electric control module controls the switching of three charge circuits.For example, charged for power-supply battery 16 using the first charge circuit for the first time,
Cycle charging control module records the charge circuit that this is used, when being next time the charging of power-supply battery 16, cycle charging control
The control of molding block is charged using the second charge circuit, the like, then be charged using the 3rd charge circuit next time,
Three charge circuits are successively respectively using after once, then reuse the first charge circuit and be charged, by that analogy, so as to realize
Recycle three charge circuits to be charged.Of course, it should be understood that the specifically used order of three charge circuits can be with
Exchange.
Further, as shown in Figures 4 to 6, in the embodiment of the present invention, the charging circuit of power-supply battery also includes：First
The electric pre-charge circuit 8, two phase electricity pre-charge circuit 9 of phase and third phase electricity pre-charge circuit 10.
Wherein, as shown in figure 4, the electric pre-charge circuit 8 of the first phase includes：The switch of first resistor the 801, the 7th 802 and first
Electric capacity 803, the first end of first resistor 801 is used to be electrically connected with the first phase electrical input 101, and the second end switchs 802 with the 7th
First end electrical connection, the second end of the 7th switch 802 electrically connects with the first end of the first electric capacity 803, the of the first electric capacity 803
Two ends electrically connect with the neutral conductor 5.
When being charged using the first charge circuit, the switch 1002 of the switch of control the 7th 802 and the 9th first is closed, its
He switches off, and line precharge is entered for the first electric capacity 803 by the electric pre-charge circuit 8 of the first phase, is pre-charged by third phase electricity
Circuit 10 enters line precharge for the 3rd electric capacity 1003.When precharge is completed, the switch 1002 of the switch of control the 7th 802 and the 9th breaks
Open, control first switch the 102, the 3rd switch 301 and the 4th switch 17 are closed, while making second switch 202, the 5th switch 6, the
Six switches 7 and the 8th switch 902 are off, and are charged for power-supply battery 16 using the first charge circuit.
Wherein, as shown in figure 5, two phase electricity pre-charge circuit 9 includes：The switch of second resistance the 901, the 8th 902 and second
Electric capacity 903, the first end of second resistance 901 is used to be electrically connected with the second phase electrical input 201, and the second end switchs 902 with the 8th
First end electrical connection, the second end of the 8th switch 902 electrically connects with the first end of the second electric capacity 903, the of the second electric capacity 903
Two ends electrically connect with the neutral conductor 5.
When being charged using the second charge circuit, the switch 902 of the switch of control the 7th 802 and the 8th first is closed, its
He switches off, and line precharge is entered for the first electric capacity 803 by the electric pre-charge circuit 8 of the first phase, is pre-charged by two phase electricity
Circuit 9 enters line precharge for the second electric capacity 903.When precharge is completed, the switch 902 of the switch of control the 7th 802 and the 8th disconnects,
Control first switch 102, the switch of second switch 202 and the 5th 6 are closed, while making the switch the 17, the 6th of the 3rd switch the 301, the 4th
The switch 1002 of switch 7 and the 9th is off, and is charged for power-supply battery 16 using the second charge circuit.
Wherein, as shown in fig. 6, third phase electricity pre-charge circuit 10 includes：3rd resistor 1001, the 9th switch 1002 and the
Three electric capacity 1003, the first end of 3rd resistor 1001 is used to be electrically connected with third phase electrical input 301, and the second end switchs with the 9th
1002 first end electrical connection, the second end of the 9th switch 1002 electrically connects with the first end of the 3rd electric capacity 1003, the 3rd electric capacity
1003 the second end electrically connects with the neutral conductor 5.
When being charged using the 3rd charge circuit, the switch 1002 of the switch of control the 8th 902 and the 9th first is closed, its
He switches off, and line precharge is entered for the second electric capacity 903 by two phase electricity pre-charge circuit 9, is pre-charged by third phase electricity
Circuit 10 enters line precharge for the 3rd electric capacity 1003.When precharge is completed, the switch of control the 8th 902 and the is just switched off,
Control first switch 102, the switch of second switch 202 and the 6th 7 are closed, while making the switch the 17, the 5th of the 3rd switch the 301, the 4th
The switch 802 of switch 6 and the 7th is off, and is charged for power-supply battery 16 using the 3rd charge circuit.
The embodiment of the present invention passes through to arrange pre-charge circuit, so as to the charging circuit for preventing the power-supply battery is connecting three-phase
The moment of electricity is excessive because of electric current, causes the danger of circuit burnout.Additionally, in the embodiment of the present invention, can be by cycle charging control
Module is controlled to the switch in three pre-charge circuits and three charge circuits, that is, by cycle charging control module
First control pre-charge circuit and enter line precharge, after precharge is completed, control corresponding charge circuit and be charged, wherein this is followed
Ring charge control module also 1002 is connected with the switch 902 of the 7th switch the 802, the 8th and the 9th switch respectively.
Further, as shown in figure 1, being provided with the first filter inductance between the rectification circuit 103 of first switch 102 and first
104, the first end of the first filter inductance 104 is electrically connected with the second end of first switch 102, the second end and the first rectification circuit
103 input electrical connection.It is provided with the second filter inductance 204 between the rectification circuit 203 of second switch 202 and second, second
The first end of filter inductance 204 is electrically connected with the second end of second switch 202, the input of the second end and the second rectification circuit 203
End electrical connection.The 3rd filter inductance 304, the 3rd filter inductance are provided between 3rd switch 301 and the 3rd rectification circuit 303
304 first end is electrically connected with the second end of the 3rd switch 301, and the second end electrically connects with the input of the 3rd rectification circuit 303.
In the embodiment of the present invention, by arranging filter inductance before three rectification circuits, so as to three rectification circuits
In electric current be filtered, to export stable electric current.
Further, as shown in figure 1, being provided with the first current sense between the rectification circuit 103 of first switch 102 and first
Device 105, the input of the first current sensor 105 is electrically connected with the second end of first switch 102, outfan and the first rectified current
The input electrical connection on road 103；The second current sensor 205 is provided between the rectification circuit 203 of second switch 202 and second,
The input of the second current sensor 205 is electrically connected with the second end of second switch 202, outfan and the second rectification circuit 203
Input electrical connection；The 3rd current sensor 305 is provided between 3rd switch 301 and the 3rd rectification circuit 303, the 3rd is electric
The input of flow sensor 305 is electrically connected with the second end of the 3rd switch 301, the input of outfan and the 3rd rectification circuit 303
End electrical connection.
In the embodiment of the present invention, current sensor was respectively provided with before three rectification circuits, being capable of automatic detection and aobvious
Show electric current, facilitate personnel's watching and monitoring to electric current.
Further, as shown in figure 1, the first rectification circuit 103 includes：First IGBT 1031 and the 2nd IGBT 1032.
The source electrode of the first IGBT 1031 is electrically connected with the second end of first switch 102, and drain electrode is by the first bus 11 and Buck blood pressure lowerings electricity
The input electrical connection on road 4；The drain electrode of the 2nd IGBT 1032 is electrically connected with the second end of first switch 102, and source electrode passes through second
Bus 12 is electrically connected with the input of Buck reduction voltage circuits 4.
As shown in Fig. 2 the second rectification circuit 203 includes：3rd IGBT 2031 and the 4th IGBT 2032.3rd IGBT
2031 source electrode is electrically connected with the second end of second switch 202, the input that drain electrode passes through the first bus 11 and Buck reduction voltage circuits 4
End electrical connection；The drain electrode of the 4th IGBT 2032 is electrically connected with the second end of second switch 202, source electrode by the second bus 12 with
The input electrical connection of Buck reduction voltage circuits 4.
As shown in figure 3, the 3rd rectification circuit 303 includes：5th IGBT 3031 and the 6th IGBT 3032.5th IGBT
3031 source electrode is electrically connected with the second end of the 3rd switch 301, and drain electrode is electrically connected by the first bus 11 with Buck reduction voltage circuits 4
Connect；The drain electrode of the 6th IGBT 3032 is electrically connected with the second end of the 3rd switch 301, and source electrode is dropped by the second bus 12 with Buck
Volt circuit 4 is electrically connected.
Wherein, the conducting of the field effect transistor during three rectification circuits are by adjusting IGBT and turn-off time are electric to complete electrical network
Press to the switching process of busbar voltage.
Further, as shown in Figures 1 to 6, the charging circuit of the power-supply battery also includes：First bus capacitor 13 and second
Bus capacitor 14.The first end of the first bus capacitor 13 is electrically connected by the first bus 11 with the input of Buck reduction voltage circuits 4,
Second end electrically connects with the first end of the second bus capacitor 14, the second end of the second bus capacitor 14 by the second bus 12 with
The input electrical connection of Buck reduction voltage circuits 4.
As shown in Figures 1 to 6, Buck reduction voltage circuits 4 include：4th electric capacity 401, the 7th IGBT 402, the 8th IGBT 403,
4th inductance 404.
Wherein, the drain electrode of the 7th IGBT 402 by the first bus 11 respectively with first mutually the outfan of electric charging circuit 1,
The outfan of two phase electricity charging circuit 2, the outfan electrical connection of third phase electricity charging circuit 3, the source electrode of the 7th IGBT 402
Electrically connect with the drain electrode of the 8th IGBT 403, the source electrode of the 8th IGBT 403 charges by the way that the second bus 12 is mutually electric with first respectively
The outfan of circuit 1, the outfan of two phase electricity charging circuit 2, the outfan electrical connection of third phase electricity charging circuit 3, the 4th
The first end of inductance 404 is electrically connected respectively with the drain electrode of the source electrode and eight IGBT of the 7th IGBT 402, and the second of the 4th inductance 404
End electrically connects with power-supply battery 16, and the 4th electric capacity 401 is in parallel with power-supply battery 16, and the first end of the 4th electric capacity 401 is electric with the 4th
Hold 401 the second end electrical connection, the second end electrically connects with the second bus 12.
Wherein, the first bus capacitor 13 and the second bus capacitor 14 can support the 7th IGBT 402 and the 8th IGBT 403
Voltage, prevent because the voltage jump on the 7th IGBT 402 and the 8th IGBT 403 is big, cause the 7th IGBT 402 and the
The problem that eight IGBT 403 burn, meanwhile, the first bus capacitor 13 and the second bus capacitor 14 can also play power decoupled work
With.
Further, as shown in Figures 1 to 6, the tenth switch 15, the first end point of the tenth switch 15 are provided with the neutral conductor 5
Do not electrically connect with the second end of the 4th switch 17, the tenth switchs 15 the second end and the first end and second of the first bus capacitor 13
The first end electrical connection of bus capacitor 14.
In pre-charge process and the charging process for power-supply battery 16, the tenth switch 15 is off.
Wherein, in the embodiment of the present invention, other high power devices can also can be taken using relay as switching device
Used as switching device, concrete condition can be selected according to the actual requirements.
It should be noted that each IGBT that the embodiment of the present invention is mentioned includes：A switching tube being connected in parallel and
One diode, wherein, switching tube can be metal-oxide-semiconductor.
In sum, the charging circuit of power-supply battery provided in an embodiment of the present invention, by the electric charging circuit 1 of the first phase
And second increase by the 5th switch 6 between charging circuit, the 6th is increased between the domain neutral conductor 5 of two phase electricity charging circuit 2 and is switched
7, so as to realize in the unidirectional charging of power-supply battery 16, can be filled using quarter-phase circuit arbitrarily different in three-phase circuit
Electricity, and do not use fixed quarter-phase circuit and be charged, so as to solve prior art in the biphase charging circuit that used by fixation
In the flimsy problems of IGBT, improve IGBT service life.
According to the other side of the embodiment of the present invention, there is provided a kind of automobile, including：Power-supply battery as above
Charging circuit.
The charging circuit of the power-supply battery in the automobile, by first mutually the electric charging circuit of charging circuit 1 and second it
Between increase the 5th switch 6, between the domain neutral conductor 5 of two phase electricity charging circuit 2 increase the 6th switch 7, so as to realize in power supply
In the unidirectional charging of battery 16, can be charged using quarter-phase circuit arbitrarily different in three-phase circuit, and not used solid
Determine quarter-phase circuit to be charged, so as to solve prior art in it is flimsy by the IGBT in the biphase charging circuit that uses of fixation
Problem, improves the service life of IGBT.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary person of the art comes
Say, some improvements and modifications can also be made under the premise of without departing from principle of the present invention, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of charging circuit of power-supply battery, it is characterised in that include：
The electric charging circuit of first phase, including：First phase electrical input, first switch and the first rectification circuit, described first is mutually electric
Input is used for the outfan mutually electric with first in three phase network and electrically connects, the first end of the first switch and described first
Phase electrical input is electrically connected, and the second end electrically connects with the input of first rectification circuit；
Two phase electricity charging circuit, including：Second phase electrical input, second switch and the second rectification circuit, the two phase electricity
Input is used to be electrically connected with the outfan of the two phase electricity in three phase network, the first end of the second switch and described second
Phase electrical input is electrically connected, and the second end is connected with the input of second rectification circuit；
Third phase electricity charging circuit, including：Third phase electrical input, the 3rd switch and the 3rd rectification circuit, the third phase electricity
Input is used to be electrically connected with the outfan of the third phase electricity in three phase network, first end and the third phase electricity of the 3rd switch
Input is electrically connected, and the second end electrically connects with the input of the 3rd rectification circuit；
Buck reduction voltage circuits, the input of the Buck reduction voltage circuits respectively with first rectification circuit, second rectification
The outfan electrical connection of circuit and the 3rd rectification circuit, outfan and the power-supply battery electricity of the Buck reduction voltage circuits
Connection；And
The neutral conductor, is provided with the 4th switch between the neutral conductor and third phase electricity charging circuit, the 4th switch
First end is electrically connected with the second end of the described 3rd switch, and the second end of the 4th switch electrically connects with the neutral conductor；
Wherein, described first mutually it is provided with the 5th switch between electric charging circuit and the two phase electricity charging circuit, described the
The first end of five switches is electrically connected with the first phase electrical input, second end and the first of the second switch of the 5th switch
End electrical connection；
Be provided with the 6th switch between the two phase electricity charging circuit and the neutral conductor, the first end of the 6th switch with
The second end electrical connection of the second switch, the second end of the 6th switch electrically connects with the neutral conductor；
When the first switch, it is described 3rd switch and it is described 4th switch closure, the second switch, it is described 5th switch and
After described 6th switches off, the described first mutually electric charging circuit and electric charging circuit conducting of the third phase, first phase
Electric charging circuit, third phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and the neutrality are linear
Into the first charge circuit of the power-supply battery；
When the second switch, it is described 3rd switch and it is described 5th switch closure, the first switch, it is described 4th switch and
After described 6th switches off, the two phase electricity charging circuit and third phase electricity charging circuit are turned on, second phase
Electric charging circuit, third phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and the neutrality are linear
Into the second charge circuit of the power-supply battery；
When the first switch, the second switch and it is described 6th switch closure, it is described 3rd switch, it is described 4th switch and
After described 5th switches off, the described first mutually electric charging circuit and the two phase electricity charging circuit and conducting, described first
The electric charging circuit of phase, the two phase electricity charging circuit, the Buck reduction voltage circuits, the power-supply battery and the neutral conductor
Form the 3rd charge circuit of the power-supply battery.
2. the charging circuit of power-supply battery according to claim 1, it is characterised in that also include：
Cycle charging control module, respectively with first switch, the second switch, the 3rd switch, the 4th switch, institute
The 5th switch and the described 6th switch connection are stated, on off state of the control to inductive switch, in a charging process, to make
Power-supply battery is charged with one of the first charge circuit, the second charge circuit and the 3rd charge circuit, and many
In secondary charging process, recycle the first charge circuit, the second charge circuit and the 3rd charge circuit and power-supply battery is filled
Electricity.
3. the charging circuit of power-supply battery according to claim 1, it is characterised in that also include：
The electric pre-charge circuit of first phase, including：First resistor, the 7th switch and the first electric capacity, the first end of the first resistor
Electrically connect with the first phase electrical input, the second end electrically connects with the first end of the described 7th switch, the second of the 7th switch
End electrically connects with the first end of first electric capacity, and the second end of first electric capacity electrically connects with the neutral conductor；
Two phase electricity pre-charge circuit, including：Second resistance, the 8th switch and the second electric capacity, the first end of the second resistance
Electrically connect with the second phase electrical input, the second end electrically connects with the first end of the described 8th switch, the second of the 8th switch
End electrically connects with the first end of second electric capacity, and the second end of second electric capacity electrically connects with the neutral conductor；
Third phase electricity pre-charge circuit, including：3rd resistor, the 9th switch and the 3rd electric capacity, the first end of the 3rd resistor
Electrically connect with third phase electrical input, the second end electrically connects with the first end of the described 9th switch, the second of the 9th switch
End electrically connects with the first end of the 3rd electric capacity, and the second end of the 3rd electric capacity electrically connects with the neutral conductor.
4. the charging circuit of power-supply battery according to claim 1, it is characterised in that
It is provided with the first filter inductance between the first switch and first rectification circuit, the of first filter inductance
One end electrically connects with the second end of the first switch, and the second end electrically connects with the input of first rectification circuit；
It is provided with the second filter inductance between the second switch and second rectification circuit, the of second filter inductance
One end electrically connects with the second end of the second switch, and the second end electrically connects with the input of second rectification circuit；
The 3rd filter inductance is provided between 3rd switch and the 3rd rectification circuit, the of the 3rd filter inductance
One end electrically connects with the second end of the described 3rd switch, and the second end electrically connects with the input of the 3rd rectification circuit.
5. the charging circuit of power-supply battery according to claim 1, it is characterised in that
The first current sensor, first current sensor are provided between the first switch and first rectification circuit
Input electrically connect with the second end of the first switch, outfan is electrically connected with the input of first rectification circuit；
The second current sensor, second current sensor are provided between the second switch and second rectification circuit
Input electrically connect with the second end of the second switch, outfan is electrically connected with the input of second rectification circuit；
The 3rd current sensor, the 3rd current sensor are provided between 3rd switch and the 3rd rectification circuit
Input with the described 3rd switch the second end electrically connect, outfan is electrically connected with the input of the 3rd rectification circuit.
6. the charging circuit of power-supply battery according to claim 1, it is characterised in that
First rectification circuit includes：The source electrode and the first switch of the first IGBT and the 2nd IGBT, an IGBT
The second end electrical connection, drain electrode electrically connected with the input of the Buck reduction voltage circuits by the first bus；2nd IGBT
Drain electrode electrically connect with the second end of the first switch, the input that source electrode passes through the second bus and the Buck reduction voltage circuits
Electrical connection；
Second rectification circuit includes：The source electrode and the second switch of the 3rd IGBT and the 4th IGBT, the 3rd IGBT
The second end electrical connection, drain electrode electrically connected with the input of the Buck reduction voltage circuits by the first bus；4th IGBT
Drain electrode electrically connect with the second end of the second switch, the input that source electrode passes through the second bus and the Buck reduction voltage circuits
Electrical connection；
3rd rectification circuit includes：5th IGBT and the 6th IGBT, the source electrode of the 5th IGBT and the described 3rd switch
The second end electrical connection, drain electrode electrically connected with the Buck reduction voltage circuits by the first bus；The drain electrode of the 6th IGBT with
The second end electrical connection of the 3rd switch, source electrode is electrically connected by the second bus with the Buck reduction voltage circuits.
7. the charging circuit of power-supply battery according to claim 6, it is characterised in that also include：First bus capacitor and
Second bus capacitor, the first end of first bus capacitor is electric with the input of the Buck reduction voltage circuits by the first bus
Connection, the second end electrically connects with the first end of second bus capacitor, and the second end of second bus capacitor is by described
Second bus is electrically connected with the input of the Buck reduction voltage circuits.
8. the charging circuit of power-supply battery according to claim 7, it is characterised in that be provided with the tenth on the neutral conductor
Switch, the first end of the tenth switch is electrically connected respectively with the second end of the described 4th switch, and the second of the tenth switch
End electrically connects with the first end of first bus capacitor and the first end of second bus capacitor.
9. the charging circuit of power-supply battery according to claim 1, it is characterised in that
The Buck reduction voltage circuits include：4th electric capacity, the 7th IGBT, the 8th IGBT, the 4th inductance；
The drain electrode of the 7th IGBT by the first bus respectively with described first mutually the outfan of electric charging circuit, described second
The mutually outfan of electric charging circuit, the outfan electrical connection of third phase electricity charging circuit, the source electrode of the 7th IGBT with
The drain electrode electrical connection of the 8th IGBT, the source electrode of the 8th IGBT charges by the way that the second bus is mutually electric with described first respectively
The outfan of circuit, the outfan of the two phase electricity charging circuit, the outfan electrical connection of third phase electricity charging circuit,
The first end of the 4th inductance is electrically connected respectively with the drain electrode of the source electrode and eight IGBT of the 7th IGBT, and the described 4th
Second end of inductance electrically connects with the power-supply battery, and the 4th electric capacity is in parallel with the power-supply battery, the 4th electric capacity
First end electrically connect with the second end of the 4th electric capacity, the second end electrically connects with the second bus.
10. a kind of automobile, it is characterised in that include：The charging circuit of the power-supply battery as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042008.8A CN106685041A (en) | 2017-01-20 | 2017-01-20 | Charging circuit of power battery and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042008.8A CN106685041A (en) | 2017-01-20 | 2017-01-20 | Charging circuit of power battery and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106685041A true CN106685041A (en) | 2017-05-17 |
Family
ID=58859493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042008.8A Pending CN106685041A (en) | 2017-01-20 | 2017-01-20 | Charging circuit of power battery and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106685041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11407322B2 (en) | 2019-09-05 | 2022-08-09 | Hong Kong Applied Science and Technology Research Institute Company, Limited | Smart power hub |
-
2017
- 2017-01-20 CN CN201710042008.8A patent/CN106685041A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11407322B2 (en) | 2019-09-05 | 2022-08-09 | Hong Kong Applied Science and Technology Research Institute Company, Limited | Smart power hub |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102946199B (en) | DC-isolation buck converter and busbar voltage testing circuit thereof | |
| CN102751855B (en) | The electric discharge of the DC bus capacitor of electric converting system | |
| CN102195506A (en) | Systems and methods for deactivating a matrix converter | |
| CN107834505B (en) | The artificial zero passage high voltage DC breaker of current-limiting type self-charging type and its cutoff method | |
| CN103311944A (en) | Unified power flow controller adopting modular structure and starting method for unified power flow controller | |
| CN110401252A (en) | Vehicle-mounted charge-discharge system | |
| CN104426217A (en) | Inverter-charger integrated device for electric vehicle | |
| CN102969918B (en) | Three-phase bridge type converter system and promptly descend short-circuit protection circuit | |
| CN104967195A (en) | Electric automobile charging system achieving intelligent frequency conversion control | |
| CN109067162A (en) | Starting method and device of hybrid modular multilevel converter | |
| CN101237189A (en) | Positive activation converter | |
| CN107472037A (en) | A kind of tractive power supply system for bullet train and its vehicle-mounted store electric system | |
| CN207234495U (en) | Charging unit and system | |
| CN109995258A (en) | A kind of inverse-impedance type diode clamp bit submodule and its fault current blocking-up method | |
| CN209767210U (en) | Vehicle-mounted charger of high-power pure electric refrigerator car | |
| CN110266018B (en) | Unified power quality controller and control method and control system thereof | |
| CN206379716U (en) | Electric automobile, onboard charger and its current foldback circuit | |
| CN104882932B (en) | High-voltage pulse capacitor constant current charging device and method | |
| CN102355125A (en) | Soft start circuit of converter | |
| CN207737134U (en) | A kind of control device for Vehicular charger | |
| CN106685041A (en) | Charging circuit of power battery and automobile | |
| CN106533243A (en) | Two-way charging inverter circuit of electric automobile and automobile | |
| CN102931829A (en) | Power-factor correction circuit and power circuit | |
| CN107422279A (en) | A kind of change current valve module hookup and its test method | |
| CN207124475U (en) | Energy-storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |