CN208316378U - A kind of fault-tolerant charging circuit of electric car - Google Patents
A kind of fault-tolerant charging circuit of electric car Download PDFInfo
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- CN208316378U CN208316378U CN201820925250.XU CN201820925250U CN208316378U CN 208316378 U CN208316378 U CN 208316378U CN 201820925250 U CN201820925250 U CN 201820925250U CN 208316378 U CN208316378 U CN 208316378U
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Abstract
The utility model relates to a kind of fault-tolerant charging circuits of electric car, including double three-phase machine winding, two three-phase inversion bridge circuits and at least one redundancy arm path, each end of incoming cables of double three-phase machine winding is for connecting three-phase alternating-current supply, each leading-out terminal is connected respectively each exchange connecting pin of two three-phase inversion bridge circuits, and the DC connecting end of two three-phase inversion bridge circuits is used to connect the charging connection end of power battery；The exchange connecting pin of redundancy arm path exchanges connecting pin at least one of two three-phase inversion bridge circuits by control switch and is connected, and the DC connecting end of redundancy arm path is used to connect the charging connection end of power battery.The utility model is by being arranged redundancy arm path to the bridge arm in two three-phase inversion bridge circuits, when bridge arm breaks down, corresponding redundancy arm path can be put into and replace the failure bridge arm, ensure that charging normal for electric car.
Description
Technical field
The utility model relates to a kind of fault-tolerant charging circuits of electric car, belong to automobile charging technique field.
Background technique
Electric car is as the current important channel for solving field of traffic environmental pollution and energy crisis, more by the whole world
The concern in field.In current automotive industry technology increasingly mature today, the crucial restriction problem that electric car popularizes is
Battery and charging technique, wherein charging technique becomes the key of electric car continuation of the journey and cost.
Currently, there are two types of the battery charging modes of electric car: one kind is vehicle-mounted trickle charge device, by the charging of battery
Device is placed on electric car, be can use common single phase alternating current power supply or is placed in public building and residential area parking lot
Interior charging socket or charging pile plug in.Another is the quick charge stake for solving trickle charge device charging rate, is led to
It often is arranged in special charging station, industrial three-phase alternating current is converted to by high power DC electricity by high power converter, directly to
Vehicular accumulator cell charging.
Wherein, have the advantages that charging is convenient using vehicle-mounted trickle charge device, but at a slow speed charging unit the problem is that
Charge power is smaller, and Vehicular accumulator cell is fully charged to be taken a long time, and influences the utilization rate of electric car, and the Vehicular charger
It is intrinsic load during electric automobile during traveling, influences the promotion of vehicle runnability.And quick charge stake can be short
The charging of battery is rapidly completed in time, the charge efficiency and utilization rate of electric car can be effectively improved, but this is quickly
Charging unit is installed on electric car and seriously occupies the limited space of electric car and again since power, volume and weight are larger
Resource is measured, needs to assist establishing matched quick charge station in the application process for promoting electric car, equally in cost, market
It is also limited by very large with environmental suitability etc., and inverter is the weak ring in drive system of electric automobile
Section, the power tube of inverter easily break down, and inverter, which breaks down, will affect the normally travel of electric car.
Utility model content
The purpose of the utility model is to provide a kind of fault-tolerant charging circuits of electric car, break down for solving inverter
When how to guarantee electric car charge normal problem.
In order to solve the above technical problems, the utility model provides a kind of fault-tolerant charging circuit of electric car, including double three
Phase machine winding, two three-phase inversion bridge circuits and at least one redundancy arm path, each inlet wire of double three-phase machine winding
End is connected respectively each exchange connection of two three-phase inversion bridge circuits for connecting three-phase alternating-current supply, each leading-out terminal
End, the DC connecting end of two three-phase inversion bridge circuits are used to connect the charging connection end of power battery；The redundancy bridge arm branch
Road includes the upper bridge arm being connected in series and lower bridge arm, is provided with full-controlled device in the upper bridge arm and lower bridge arm of redundancy arm path
The upper bridge arm of valve group, redundancy arm path exchanges connection at least one of the series connection point of lower bridge arm connection three-phase inversion bridge circuit
End, the series connection point with exchange between connecting pin string equipped with control switch, the upper bridge arm of redundancy arm path and lower bridge arm it is non-
Series connection point is used to connect the charging connection end of power battery.
The beneficial effects of the utility model are: by the way that redundancy bridge arm branch is arranged to the bridge arm in two three-phase inversion bridge circuits
Corresponding redundancy arm path investment can be replaced the event by control control switch closure when bridge arm breaks down by road
Hinder bridge arm, to ensure that charging normal for electric car.
Further, in order to realize rectification control, the three-phase inversion bridge circuit includes three bridge arms being connected in parallel, often
A bridge arm includes the upper bridge arm being connected in series and lower bridge arm, is provided with full-controlled device in the upper bridge arm and lower bridge arm of each bridge arm
Valve group；The upper bridge arm of each bridge arm connects the corresponding leading-out terminal of double three-phase machine winding, three bridge arms with the series connection point of lower bridge arm
Parallel connection put charging connection end for connecting power battery.
Further, in order to realize over-voltage over-current protection, the upper bridge arm of each bridge arm and lower bridge in three-phase inversion bridge circuit
String is equipped with fuse in arm.
Further, the full-controlled device valve group is by one or series connection at least two full-controlled devices are constituted.
Further, the full-controlled device is IGBT.
Further, in order to realize charge control, each end of incoming cables of double three-phase machine winding, which is also gone here and there, is equipped with charge switch.
Further, control switch is also connected between each end of incoming cables of double three-phase machine winding.
Further, the control switch is bidirectional thyristor.
Further, between the DC connecting end and charging connection end of two three-phase inversion bridge circuits and redundancy bridge arm branch
Lu Zhongjun string is equipped with switch.
It further, further include controller, the controller control connects the control terminal and charging of the control switch
Switch.
Further, the controller is electric machine controller.
Detailed description of the invention
Fig. 1 is the schematic diagram of the fault-tolerant charging circuit of electric car of the utility model；
Fig. 2 is the circuit diagram of the fault-tolerant charging circuit of electric car of the utility model in normal state；
Fig. 3 is driving equivalent circuit diagram after 1 first bridge arm of inverter breaks down；
Fig. 4 is charging equivalent circuit diagram after 1 first bridge arm of inverter breaks down；
Fig. 5 is driving equivalent circuit diagram after the 7th bridge arm of inverter 2 breaks down；
Fig. 6 is charging equivalent circuit diagram after the 7th bridge arm of inverter 2 breaks down.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
The present invention will be further described in detail for embodiment.
The utility model provides a kind of fault-tolerant charging circuit of electric car, including double three-phase machine winding, two three-phases
Inversion bridge circuit and at least one redundancy arm path.Wherein, each end of incoming cables of double three-phase machine winding is for connecting three-phase
AC power source, each leading-out terminal are connected respectively each exchange connecting pin of two three-phase inversion bridge circuits, two three-phase inversions
The DC connecting end of bridge circuit is used to connect the charging connection end of power battery.The exchange connecting pin of redundancy arm path with two
At least one of three-phase inversion bridge circuit exchanges connecting pin and is connected, the exchange connecting pin of redundancy arm path and two three contraries
Become to go here and there between each exchange connecting pin in bridge circuit and be equipped with control switch, the DC connecting end of redundancy arm path is for connecting
Connect the charging connection end of power battery.
For the above-mentioned fault-tolerant charging circuit of electric car, one redundancy can be only set to two three-phase inversion bridge circuits
The a plurality of redundancy arm path of one or more also can be set in arm path.Every redundancy arm path can be with two three-phases
A wherein bridge arm for inversion bridge circuit corresponds to redundancy setting, can also be with part in two three-phase inversion bridge circuits or complete
Portion's bridge arm corresponds to redundancy setting.
Wherein, Fig. 1 has given two three-phase inversion bridge circuits that a redundancy arm path, and the redundancy arm path is only arranged
When redundancy corresponding with whole bridge arms in two three-phase inversion bridge circuits is arranged, the circuit theory of the fault-tolerant charging circuit of electric car
Figure.Specifically, as shown in Figure 1, the fault-tolerant charging circuit of the electric car include the first three-phase motor winding, the second three-phase motor around
Group, the first three-phase inversion bridge circuit, the second three-phase inversion bridge circuit and a redundancy arm path, the first three phase inverter bridge electricity
Road (inverter 1) is made of the first phase bridge arm 1, the second phase bridge arm 2 and third phase bridge arm 3, the second three-phase inversion bridge circuit (inversion
Device 2) it is made of the 5th phase bridge arm 5, the 6th phase bridge arm 6 and the 7th phase bridge arm 7.Wherein, each of two three-phase inversion bridge circuits
Bridge arm includes the upper bridge arm being connected in series and lower bridge arm, is provided with full-controlled device in the upper bridge arm and lower bridge arm of each bridge arm
Valve group.In the present embodiment, the full-controlled device valve group of upper bridge arm is made of the first power tube IGBT device Q1 in the first phase bridge arm,
The full-controlled device valve group of lower bridge arm is made of the second power tube IGBT device Q2 in first phase bridge arm；Upper bridge arm in second phase bridge arm
Full-controlled device valve group be made of third power tube IGBT device Q3, the full-controlled device valve group of lower bridge arm is by the second phase bridge arm
Four power tube IGBT device Q4 are constituted；The full-controlled device valve group of upper bridge arm is by the 5th power tube IGBT device Q5 in third phase bridge arm
It constitutes；The full-controlled device valve group of lower bridge arm is made of the 6th power tube IGBT device Q6 in third phase bridge arm；On in 5th phase arm
The full-controlled device valve group of bridge arm is made of the 9th power tube IGBT device Q9, the full-controlled device valve group of lower bridge arm in the 5th phase bridge arm
It is made of the tenth power tube IGBT device Q10；The full-controlled device valve group of upper bridge arm is by the 11st power tube in 6th phase bridge arm
IGBT device Q11 is constituted, and the full-controlled device valve group of lower bridge arm is by the 12nd power tube IGBT device Q12 structure in the 6th phase bridge arm
At；The full-controlled device valve group of upper bridge arm is made of the 13rd power tube IGBT device Q13 in 7th phase bridge arm, in the 7th phase bridge arm
The full-controlled device valve group of lower bridge arm is made of the 14th power tube IGBT device Q14.Each bridge in two three-phase inversion bridge circuits
The upper bridge arm of arm connects the corresponding leading-out terminal of double three-phase machine winding with the series connection point of lower bridge arm, and the point in parallel of three bridge arms is used for
Connect the charging connection end of power battery.At this point, in the first phase bridge arm of the first three-phase inversion bridge circuit Q1 and Q2 series connection point
The leading-out terminal of first set winding a phase is connected, Q3 connects the outlet of first set winding b phase with the series connection point of Q4 in the second phase bridge arm
It holds, Q5 connects the leading-out terminal of first set winding c phase with the series connection point of Q6 in third phase bridge arm；The of second three-phase inversion bridge circuit
Q9 connects the leading-out terminal of second set of winding A phase with the series connection point of Q10 in five phase bridge arms, the series connection of Q11 and Q12 in the 6th phase bridge arm
Point connects the leading-out terminal of second set of winding B phase, and Q13 connects going out for second set of winding C phase with the series connection point of Q14 in the 7th phase bridge arm
Line end.
As the bridge arm structure in above-mentioned two three-phase inversion bridge circuit, redundancy arm path (referred to herein as the 4th phase
Bridge arm 4) it also include the upper bridge arm being connected in series and lower bridge arm, and full-controlled device valve group is provided in upper bridge arm and lower bridge arm,
Wherein full-controlled device valve group is made of the 7th power tube IGBT device Q7 in upper bridge arm, and full-controlled device valve group is by the 8th in lower bridge arm
Power tube IGBT device Q8 is constituted.The series connection point of IGBT device Q7 and Q8 pass through bidirectional thyristor TR1, bidirectional thyristor respectively
TR2, the leading-out terminal of bidirectional thyristor TR3 connection first set winding a phase, first set are around the leading-out terminal of b phase, first set around c phase
Leading-out terminal, and pass through bidirectional thyristor TR6, bidirectional thyristor TR5, bidirectional thyristor TR4 connection second set of winding A phase respectively
Leading-out terminal, second set of leading-out terminal, second set of leading-out terminal around C phase around B phase, the 4th phase bridge arm and each bidirectional thyristor are together
Constitute the redundant circuit of inverter 1 and inverter 2.In addition, the non-series connection point of Q7 and Q8 and two three-phase inversion bridge circuits
DC connecting end is corresponding with the positive and negative anodes of power battery charging connecting pin together to be connected.
The equal parallel connected in reverse phase of above-mentioned power tube IGBT device Q1~Q14 has diode, the grid of power tube IGBT device Q1~Q14
Extremely it is connected with electric machine controller, triggering is inputted by electric machine controller or disconnects driving signal.Bidirectional thyristor TR1, TR2,
The control electrode of TR3, TR4, TR5, TR6 are connected with electric machine controller, by electric machine controller input or break trigger signal.When
So, as other embodiments, which also could alternatively be other controllers.
In addition, in order to realize overcurrent protection, for when short trouble occurs for power tube, quickly by corresponding bridge arm from electricity
It is disconnected in road, protects circuit other elements not to be damaged, and realize faults-tolerant control, in two each bridge arms of three-phase inversion bridge circuit
Upper bridge arm and lower bridge arm in string be equipped with fuse.As shown in Figure 1, string is equipped with quick fuse in upper bridge arm in the first phase bridge arm
Device F1, string is equipped with fastp-acting fuse F2 in lower bridge arm in the first phase bridge arm；String is equipped with fast fast thawing in upper bridge arm in second phase bridge arm
Break device F3, and string is equipped with fastp-acting fuse F4 in lower bridge arm in the second phase bridge arm；String is equipped with quickly in upper bridge arm in third phase bridge arm
Fuse F5, string is equipped with fastp-acting fuse F6 in lower bridge arm in third phase bridge arm；String is equipped with fastly in upper bridge arm in 5th phase bridge arm
Fast fuse F7, string is equipped with fastp-acting fuse F8 in lower bridge arm in the 5th phase bridge arm；It goes here and there and is equipped in upper bridge arm in 6th phase bridge arm
Fastp-acting fuse F9, string is equipped with fastp-acting fuse F10 in lower bridge arm in the 6th phase bridge arm；It goes here and there and sets in upper bridge arm in 7th phase bridge arm
There is fastp-acting fuse F11, string is equipped with fastp-acting fuse F12 in lower bridge arm in the 7th phase bridge arm.
It should be noted that the full-controlled device valve group in each bridge arm of three-phase inversion bridge circuit and redundancy arm path
It can be made of the multiple IGBT devices being connected in series, certain IGBT device can also be substituted for other full control devices such as IGCT
Part.Redundancy arm path is gone here and there between the connecting pin i.e. leading-out terminal of double winding with each exchange in two three-phase inversion bridge circuits
The bidirectional thyristor of connection also could alternatively be other control switches.
In addition, each end of incoming cables of double three-phase machine winding also go here and there equipped with charge switch for the ease of control, i.e., first set around
Group a phase, b phase and c phase end of incoming cables go here and there respectively equipped with charge switch K4, K5 and K6, second set of winding A phase, B phase and C phase into
Line end is gone here and there respectively is equipped with charge switch K7, K8 and K9.Charge switch K4, K5, K6, K7, K8, K9 are connected with control module, by
The closing or opening of control module control relay switch.The control module can realize by electric machine controller, can also be by it
His controller is realized.
When giving power battery charging in order to prevent, charging control circuit short circuit, each end of incoming cables of double three-phase machine winding it
Between be also connected with control switch, in the present embodiment, two-way brilliant lock is connected between first set winding a phase and the end of incoming cables of b phase
Pipe TR7, is connected with bidirectional thyristor TR8 between first set winding b phase and the end of incoming cables of c phase, second set of winding A phase and B phase
It is connected with bidirectional thyristor TR9 between end of incoming cables, is connected with bidirectional thyristor between first set winding B phase and the end of incoming cables of C phase
TR10.Likewise, four bidirectional thyristors herein also could alternatively be other control switches.
In order to two three-phase inversion bridge circuits and redundancy arm path investment and exit, in two three phase inverter bridge electricity
Also string is equipped with switch K1 and K2 between the DC connecting end and charging connection end on road, and string is equipped with switch in redundancy arm path
K3。
Compared to traditional charging circuit, the above-mentioned fault-tolerant charging circuit configuration of electric car is simple, and design is but very reasonable,
Power device quantity and increased costs are limited, and cost performance is high, and corresponding control is safe and reliable.In failure free operation, on
The normal operation circuit diagram of the fault-tolerant charging circuit of electric car is stated as shown in Fig. 2, only the first phase bridge arm 1, the second phase bridge arm 2,
Three-phase bridge arm 3, the 5th phase bridge arm 5, the 6th phase bridge arm 6 and the 7th phase bridge arm 7 operate normally, the 4th phase bridge arm and each control switch
TR1, TR2, TR3, TR4, TR5, TR6 do not work.The fault-tolerant charging circuit of the electric car is not only able to realize charge function, and
Power battery (Vehicular accumulator cell) being capable of driving motor operation by the circuit.When realizing charge function, AC power source AC is logical
Three bridge arms in electric switch, double three-phase machine winding and inverter 1 or three bridge arms in inverter 2 are overcharged to power electric
Pond (Vehicular accumulator cell) carries out quick charge.In driving motor operation, the first bridge arm 1, the second bridge arm 2, third bridge arm 3, the
Five bridge arms 5, the 6th bridge arm 6 and the operation of the 7th bridge arm 7, four bridge legs 4 and each control switch TR1, TR2, TR3, TR4, TR5, TR6
It does not work, power battery (Vehicular accumulator cell) is powered by two inverters to machine winding, realizes motor driven.
When open-circuit fault occurs in phase bridge arm any one in two inverters, electric machine controller disconnects the failure phase bridge arm two
The driving signal of a power tube triggers the bidirectional thyristor connected with the phase bridge arm midpoint (series connection point) and is connected, while by failure
The driving signal of bridge arm is used to control two power tubes of the 4th phase bridge arm 4, by bidirectional thyristor and the 4th phase bridge being triggered
The redundant circuit that arm is constituted puts into operation, instead of the failure phase bridge arm being disconnected, realizes faults-tolerant control, even if a certain bridge arm occurs
Failure, circuit can still operate normally, and realize the normal driving of motor and charging normal for power battery.
As shown in figure 3, by taking open-circuit fault occur in the first power tube Q1 of the first phase bridge arm 1, the second power tube Q2 as an example, electricity
Machine controller disconnects the driving signal of the first power tube Q1 and the second power tube Q2, and control bidirectional thyristor TR1 conducting will be original
Driving signal for the first power tube Q1 and the second power tube Q2 is respectively used to the 7th power tube Q7 of control and the 8th power tube
Q8, the redundant circuit for making bidirectional thyristor TR1 and the 4th phase bridge arm 4 constitute the first phase bridge arm put into operation, realize fault-tolerant control
System.As shown in figure 3, power battery realizes driving function still through inverter control double three-phase machine；As shown in figure 4, three-phase
AC power source still can be by charge switch and double three-phase machine winding, from inverter 1 to power battery quick charge, properties
Index is as before failure generation.
As shown in figure 5, there is open-circuit fault with the 13rd power tube Q13, the 14th power tube Q14 of the 7th phase bridge arm 7
For, electric machine controller disconnects the driving signal of the 13rd power tube Q13 and the 14th power tube Q14, controls bidirectional thyristor
Originally the driving signal for being used for the 13rd power tube Q13 and the 14th power tube Q14 is respectively used to control the 7th by TR4 conducting
Power tube Q7 and the 8th power tube Q8 makes bidirectional thyristor TR4 and the 4th phase bridge arm 4 constitute the redundant circuit investment of the phase bridge arm
Faults-tolerant control is realized in operation.As shown in figure 5, power battery realizes driving function still through inverter control double three-phase machine；
As shown in fig. 6, three-phase alternating-current supply still can be fast from inverter 2 to power battery by charge switch and double three-phase machine winding
As before speed charging, performance indexes and failure generation.
When there is short trouble in one of power tube of inverter 1 or a certain phase bridge arm of inverter 2, same phase bridge
Two fuses and DC power supply, that is, power battery forming circuit on complementary power pipe, the bridge arm on arm, two fuses
Because overcurrent is blown, which is disconnected from the circuit, and short trouble is automatically converted to open-circuit fault, recycles above-mentioned power tube
Open-circuit fault fault-tolerance approach carries out faults-tolerant control.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This is practical
Novel basic ideas are above-mentioned basic scheme, and model, the public affairs of various modifications are designed in introduction according to the present utility model
Formula, parameter do not need to spend creative work, in the case where not departing from the principles of the present invention and spirit to embodiment party
The change, modification, replacement and modification that formula carries out are still fallen in the protection scope of the utility model.
Claims (11)
1. a kind of fault-tolerant charging circuit of electric car, which is characterized in that including double three-phase machine winding, two three phase inverter bridge electricity
Road and at least one redundancy arm path, each end of incoming cables of double three-phase machine winding respectively go out for connecting three-phase alternating-current supply
Line end is connected respectively each exchange connecting pin of two three-phase inversion bridge circuits, and the direct current of two three-phase inversion bridge circuits connects
Connect the charging connection end held for connecting power battery；The redundancy arm path includes the upper bridge arm and lower bridge being connected in series
Arm, is provided with full-controlled device valve group in the upper bridge arm and lower bridge arm of redundancy arm path, the upper bridge arm of redundancy arm path and
Lower bridge arm series connection point connection three-phase inversion bridge circuit at least one exchange connecting pin, the series connection point with exchange connecting pin it
Between string be equipped with control switch, the non-series connection point of the upper bridge arm of redundancy arm path and lower bridge arm is used to connect the charging of power battery
Connecting pin.
2. the fault-tolerant charging circuit of electric car according to claim 1, which is characterized in that the three-phase inversion bridge circuit packet
Include three bridge arms being connected in parallel, each bridge arm includes the upper bridge arm being connected in series and lower bridge arm, the upper bridge arm of each bridge arm and
Full-controlled device valve group is provided in lower bridge arm；The upper bridge arm of each bridge arm connected with the series connection point of lower bridge arm double three-phase machine around
The charging connection end for connecting power battery is put in the parallel connection of the corresponding leading-out terminal of group, three bridge arms.
3. the fault-tolerant charging circuit of electric car according to claim 2, which is characterized in that each in three-phase inversion bridge circuit
String is equipped with fuse in the upper bridge arm and lower bridge arm of bridge arm.
4. the fault-tolerant charging circuit of electric car according to any one of claim 1-3, which is characterized in that the full control device
Part valve group is by one or series connection at least two full-controlled devices are constituted.
5. the fault-tolerant charging circuit of electric car according to claim 4, which is characterized in that the full-controlled device is IGBT.
6. the fault-tolerant charging circuit of electric car according to any one of claim 1-3, which is characterized in that double three-phase machine
Each end of incoming cables of winding, which is also gone here and there, is equipped with charge switch.
7. the fault-tolerant charging circuit of electric car according to any one of claim 1-3, which is characterized in that double three-phase machine
Control switch is also connected between each end of incoming cables of winding.
8. the fault-tolerant charging circuit of electric car according to claim 7, which is characterized in that the control switch is two-way crystalline substance
Brake tube.
9. the fault-tolerant charging circuit of electric car according to any one of claim 1-3, which is characterized in that two three contraries
Become between the DC connecting end and charging connection end of bridge circuit and string is equipped with switch in redundancy arm path.
10. the fault-tolerant charging circuit of electric car according to claim 6, which is characterized in that it further include controller, the control
Device control processed connects the control terminal and charge switch of the control switch.
11. the fault-tolerant charging circuit of electric car according to claim 10, which is characterized in that the controller is motor control
Device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925250.XU CN208316378U (en) | 2018-06-13 | 2018-06-13 | A kind of fault-tolerant charging circuit of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925250.XU CN208316378U (en) | 2018-06-13 | 2018-06-13 | A kind of fault-tolerant charging circuit of electric car |
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| Publication Number | Publication Date |
|---|---|
| CN208316378U true CN208316378U (en) | 2019-01-01 |
Family
ID=64707450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820925250.XU Expired - Fee Related CN208316378U (en) | 2018-06-13 | 2018-06-13 | A kind of fault-tolerant charging circuit of electric car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440782A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Electric automobile and control method and device of charging system of electric automobile |
| CN115378343A (en) * | 2022-04-22 | 2022-11-22 | 宁德时代新能源科技股份有限公司 | Motor control method and device, electric equipment and storage medium |
| CN117360277A (en) * | 2022-01-30 | 2024-01-09 | 华为数字能源技术有限公司 | Control method and device for power supply circuit and electric automobile |
-
2018
- 2018-06-13 CN CN201820925250.XU patent/CN208316378U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440782A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Electric automobile and control method and device of charging system of electric automobile |
| CN112440782B (en) * | 2019-08-30 | 2022-06-14 | 比亚迪股份有限公司 | Electric automobile and control method and device of charging system of electric automobile |
| CN117360277A (en) * | 2022-01-30 | 2024-01-09 | 华为数字能源技术有限公司 | Control method and device for power supply circuit and electric automobile |
| CN117360277B (en) * | 2022-01-30 | 2024-06-11 | 华为数字能源技术有限公司 | Control method and device for power supply circuit and electric automobile |
| CN115378343A (en) * | 2022-04-22 | 2022-11-22 | 宁德时代新能源科技股份有限公司 | Motor control method and device, electric equipment and storage medium |
| CN115378343B (en) * | 2022-04-22 | 2024-05-03 | 宁德时代新能源科技股份有限公司 | Motor control method and device, electric equipment and storage medium |
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