CN206962695U - For electric automobile active discharge circuit and there is its electric automobile - Google Patents
For electric automobile active discharge circuit and there is its electric automobile Download PDFInfo
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- CN206962695U CN206962695U CN201720949021.7U CN201720949021U CN206962695U CN 206962695 U CN206962695 U CN 206962695U CN 201720949021 U CN201720949021 U CN 201720949021U CN 206962695 U CN206962695 U CN 206962695U
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Abstract
The utility model discloses a kind of active discharge circuit for electric automobile and there is its electric automobile, the discharge circuit includes：First discharge paths include the first discharge resistance and the first gate-controlled switch of series connection；Second discharge paths are in parallel with first discharge paths, and second discharge paths include the second discharge resistance and the second gate-controlled switch of series connection；The voltage detection unit is by detecting the voltage in electric machine controller on dc-link capacitance with generatrix voltage detecting value；Described control unit judges whether the busbar voltage detection value is more than or equal to predetermined voltage threshold under the electric automobile after electricity, and when the busbar voltage detection value is more than or equal to predetermined voltage threshold by controlling first gate-controlled switch and second gate-controlled switch is closed so as to first discharge paths and second discharge paths while carry out electric discharge work, so as to, different control of discharge is used for different energies of a charge, improves the velocity of discharge.
Description
Technical field
It the utility model is related to electric vehicle engineering field, more particularly to a kind of active discharge circuit for electric automobile
With a kind of electric automobile with it.
Background technology
After electricity under electric automobile, dc-link capacitance stores substantial amounts of electric charge in electric machine controller, this to device and
Operator has very big danger.In correlation technique, generally carried out by active discharge resistance, equivalent discharge resistance or DC/DC
Electric discharge, so that the voltage of dc-link capacitance is reduced to below 60V in 50ms from lower electric initial value, ensures the life of operator
Safety.But correlation technique the problem of existing is that the discharge process of discharge circuit is not control effectively, the velocity of discharge
Relatively slow, and service life is shorter, and when active discharge resistance, equivalent discharge resistance or DC/DC fail, discharging function is by nothing
Method is completed, and reliability is relatively low.
Utility model content
The utility model is intended to one of technical problem at least solving in above-mentioned technology to a certain extent.Therefore, this reality
It is to propose a kind of active discharge circuit for electric automobile with a new purpose, can be adopted for different energies of a charge
With different control of discharge, the velocity of discharge is improved.
Second purpose of the present utility model is to propose a kind of electric automobile.
To reach above-mentioned purpose, the utility model first aspect proposes a kind of active discharge electricity for electric automobile
Road, including：First discharge paths, first discharge paths include the first discharge resistance and the first gate-controlled switch of series connection；The
Two discharge paths, second discharge paths are in parallel with first discharge paths, and second discharge paths include series connection
Second discharge resistance and the second gate-controlled switch；Voltage detection unit, the voltage detection unit is by detecting in electric machine controller
Voltage on dc-link capacitance is with generatrix voltage detecting value；Control unit, described control unit and the voltage detecting
Unit is connected, and described control unit judges whether the busbar voltage detection value is more than or equal under the electric automobile after electricity pre-
If voltage threshold, and controllable opened when the busbar voltage detection value is more than or equal to predetermined voltage threshold by controlling described first
Close and second gate-controlled switch is closed so as to first discharge paths and second discharge paths while be discharged
Work.
According to the utility model proposes the active discharge circuit for electric automobile, pass through voltage detection unit detection electricity
Voltage in machine controller on dc-link capacitance is sentenced with generatrix voltage detecting value, control unit after electricity under electric automobile
Whether disconnected busbar voltage detection value is more than or equal to predetermined voltage threshold, and is more than or equal to predeterminated voltage threshold in busbar voltage detection value
By controlling the first gate-controlled switch and the second gate-controlled switch closes so that the first discharge paths and the second discharge paths are same during value
Shi Jinhang electric discharge work.Thereby, it is possible to pass through the first electric discharge branch when busbar voltage detection value is more than or equal to predetermined voltage threshold
Road and the second discharge paths carry out electric discharge work simultaneously, can use different control of discharge for different energies of a charge, improve
The velocity of discharge of active discharge circuit, the voltage scope of application of discharge circuit is widened, moreover, by setting two discharge paths,
In the case of being failed in a discharge paths, it can still be discharged by another discharge paths, avoid putting
Electricity Functional fails, and improves the reliability of active discharge circuit, reduces crash rate.
In addition, can also be had according to the utility model active discharge circuit for electric automobile set forth above as follows
Additional technical characteristic：
Further, the voltage detection unit may include voltage sensor, the voltage sensor and direct current mother
Line capacitance is in parallel, and the voltage detection unit detects the voltage on the dc-link capacitance by the voltage sensor.
Further, first gate-controlled switch and second gate-controlled switch can be metal-oxide-semiconductor, IGBT or relay.
Further, when first gate-controlled switch and second gate-controlled switch can be metal-oxide-semiconductor or IGBT, the master
Dynamic discharge circuit can also include：Current detecting unit, the current detecting unit is detecting first discharge paths and institute
Total discharge current of the second discharge paths is stated, and total discharge current is sent to described control unit, described control unit
According to the duty of the control signal of the first gate-controlled switch and second gate-controlled switch described in total discharge current adjustment control
Than so that total discharge current keeps constant.
Further, the current detecting unit may include current sensor, the current sensor and in parallel first
Discharge paths and the second discharge paths are connected in series, and the current detecting unit is always put by the way that current sensor detection is described
Electric current.
Further, when the busbar voltage detection value is less than predetermined voltage threshold, described control unit can pass through control
Make first gate-controlled switch and second gate-controlled switch is alternately closed so that first discharge paths and described second are put
Electric branch road alternately discharges work.
To reach above-mentioned purpose, the utility model second aspect proposes a kind of electric automobile, including described is used for electricity
The active discharge circuit of electrical automobile.
According to the utility model proposes electric automobile, by the active discharge circuit for electric automobile, can be directed to
Different energies of a charge use different control of discharge, improve the velocity of discharge of active discharge circuit, widen the voltage of discharge circuit
The scope of application, moreover, by setting two discharge paths, in the case of being failed in a discharge paths, still can
Enough discharged by another discharge paths, avoid discharging function from failing, improve the reliability of active discharge circuit, reduced and lose
Efficiency.
Brief description of the drawings
Fig. 1 is to be illustrated according to the square frame of the active discharge circuit for electric automobile of the utility model one embodiment
Figure；
Fig. 2 is the circuit theory according to the active discharge circuit for electric automobile of the utility model one embodiment
Figure；
Fig. 3 is the square frame signal according to the active discharge circuit for electric automobile of the utility model another embodiment
Figure；
Fig. 4 is the circuit theory according to the active discharge circuit for electric automobile of the utility model another embodiment
Figure；And
Fig. 5 is the block diagram according to the electric automobile of the utility model embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Below with reference to the accompanying drawings come describe the utility model embodiment for electric automobile active discharge circuit and have
Its electric automobile.
Fig. 1 is the block diagram according to the active discharge circuit for electric automobile of the utility model embodiment.
As depicted in figs. 1 and 2, the active discharge circuit for electric automobile of the utility model embodiment includes：First
Discharge paths 10, the second discharge paths 20, voltage detection unit 30 and control unit 40.
Wherein, the first discharge paths 10 include the first discharge resistance 11 and the first gate-controlled switch 12 of series connection；Second electric discharge
Branch road 20 is in parallel with the first discharge paths 10, and the second discharge paths 20 include the second discharge resistance 21 of series connection and second and controllable opened
Close 22；Voltage detection unit 30 is by detecting the voltage in electric machine controller 60 on dc-link capacitance C1 with generatrix voltage
Detected value；Control unit 40 is connected with voltage detection unit 30, control unit 40 can also respectively with the first gate-controlled switch 12 and
Two gate-controlled switches 22 are connected, and it is default that control unit 40 judges whether busbar voltage detection value is more than or equal to after electricity under electric automobile
Voltage threshold, and when busbar voltage detection value is more than or equal to predetermined voltage threshold by controlling the first gate-controlled switch 12 and second
Gate-controlled switch 22 closes, so that the first discharge paths 10 and the second discharge paths 20 carry out electric discharge work simultaneously.Wherein, control
Unit 40 can be single-chip microcomputer.
According to one embodiment of the present utility model, voltage detection unit 30 may include voltage sensor 31, voltage sensor
Device 31 is in parallel with dc-link capacitance C1, and voltage detection unit 30 is detected on dc-link capacitance C1 by voltage sensor 31
Voltage.
Specifically, the power supply of electric automobile may be from battery, as shown in Fig. 2 battery BT1 positive pole can pass through
First switch S1 is connected with positive DC bus, and battery BT1 positive pole can also be by being connected in series second switch S2 and resistance R0
It is connected with positive DC bus, battery BT1 negative pole can be connected by the 3rd switch S3 with negative DC bus.Dc bus electricity
Hold C1 to be connected in parallel between positive DC bus and negative DC bus, i.e. dc-link capacitance C1 one end and positive DC bus
It is connected, the dc-link capacitance C1 other end is connected with negative DC bus.
After electricity under electric automobile, first switch S1, second switch S2 and the 3rd switch S3 disconnect, voltage detection unit
30 detect voltage in electric machine controller 60 on dc-link capacitance C1 with generatrix voltage detecting by voltage sensor 31
Value, control unit 40 obtains busbar voltage detection value by voltage detection unit 30, and judges whether busbar voltage detection value is big
In equal to predetermined voltage threshold, if busbar voltage detection value is more than or equal to predetermined voltage threshold, control unit 40 then controls
One gate-controlled switch 12 and the second gate-controlled switch 22 close so that the first discharge paths 10 and the second discharge paths 20 are carried out simultaneously
Electric discharge work.
According to one embodiment of the present utility model, when busbar voltage detection value is less than predetermined voltage threshold, control is single
Member 40 is by the first gate-controlled switch 12 of control and the second gate-controlled switch 22 is alternately closed so that the first discharge paths 10 and second are put
Electric branch road 20 alternately discharges work.
That is, if busbar voltage detection value is less than predetermined voltage threshold, control unit 40 then controls first controllable
The gate-controlled switch 22 of switch 12 and second is alternately closed so that the first discharge paths 10 and the second discharge paths 20 are alternately discharged
Work, so as to by the service life for being alternately closed raising active discharge circuit.
Specifically, when busbar voltage detection value is less than predetermined voltage threshold, control unit 40 can first control first controllable
Switch 12 closes and the second gate-controlled switch 22 disconnects, so that the first discharge paths 10 carry out electric discharge work, and the second discharge paths
20 without work of discharging；After the first discharge paths 10 discharge work preset time, control unit 40 can control again second can
Control switch 22 closes and the first gate-controlled switch 12 disconnects, so that the second discharge paths 20 carry out electric discharge work, and the first electric discharge branch
Realize the first discharge paths 10 and the second discharge paths 20 are alternately discharged work without work of discharging, so circulation in road 10
Make.
In addition, it is necessary to explanation, control unit 40 can obtain a busbar voltage detection only after electricity under electric automobile
Value, and the first discharge paths 10 and the second discharge paths 20 are controlled according to the busbar voltage detection value of this acquisition.Or
Person's control unit 40 also can after electricity under electric automobile every the default sampling time or in real time obtain busbar voltage detection value, and
After obtaining current busbar voltage detection value, according to current busbar voltage detection value to the first discharge paths 10 and the second electric discharge branch
Road 20 is controlled.
Illustrated so that control unit 40 obtains busbar voltage detection value in real time as an example.After electricity under electric automobile, voltage
Detection unit 30 can detect voltage in electric machine controller 60 on dc-link capacitance C1 in real time with generatrix voltage detecting value,
Control unit 40 judges whether busbar voltage detection value is more than or equal to predetermined voltage threshold after getting busbar voltage detection value,
When busbar voltage detection value is more than or equal to predetermined voltage threshold, control unit 40 controls the first gate-controlled switch 12 and second controllable
Switch 22 closes so that the first discharge paths 10 and the second discharge paths 20 carry out electric discharge work simultaneously.With the first electric discharge branch
The discharge paths 20 of road 10 and second are discharged simultaneously, and bus voltage value gradually reduces, and is preset when busbar voltage detection value is less than
During voltage threshold, control unit 40 controls the first gate-controlled switch 12 and the second gate-controlled switch 22 is alternately closed so that the first electric discharge branch
The discharge paths 20 of road 10 and second are alternately discharged work, so as to improve the voltage scope of application of active discharge circuit, are extended
Active discharge circuit life.
According to one embodiment of the present utility model, the first gate-controlled switch 12 and the second gate-controlled switch 22 can be metal-oxide-semiconductor,
IGBT or relay.
According to one embodiment of the present utility model, when the first gate-controlled switch 12 and the second gate-controlled switch 22 be metal-oxide-semiconductor or
During IGBT, as shown in Figure 3 and Figure 4, active discharge circuit also includes current detecting unit 50, and current detecting unit 50 is detecting
Total discharge current of first discharge paths 10 and the second discharge paths 20, and total discharge current is sent to control unit 40, control
Unit 40 processed is according to total discharge current adjustment control the first gate-controlled switch 12 and the duty of the control signal of the second gate-controlled switch 22
Than so that total discharge current keeps constant.
According to one embodiment of the present utility model, as shown in figure 4, include can current sensor for current detecting unit 50
51, current sensor 51 is connected in series with the first discharge paths 10 in parallel and the second discharge paths 20, current detecting unit 50
Total discharge current is detected by current sensor 51.
That is, current detecting unit 50 is detected always when discharge circuit carries out electric discharge work by current sensor 51
Discharge current, after control unit 40 obtains total discharge current, according to total He of the first gate-controlled switch of discharge current adjustment control 12
The dutycycle of the control signal of second gate-controlled switch 22, so that total discharge current keeps constant, so as to by Heising modulation, carry
The velocity of discharge of high active discharge circuit.
It should be appreciated that with the reduction of busbar voltage detection value, total discharge current can be also gradually reduced, and can now be led to
The dutycycle for crossing raising control signal causes electric current to keep constant so that electric current is bled off as early as possible.
Specifically, after electricity under electric automobile, it is more than or equal to predeterminated voltage when voltage detection unit 30 detects busbar voltage
During threshold value, control unit 40 controls the first gate-controlled switch 12 and the second gate-controlled switch 22 closes so that the He of the first discharge paths 10
Second discharge paths 20 carry out electric discharge work simultaneously, and now, total discharge current discharges to flow through the first discharge paths 10 and second
The electric current of branch road 20, current detecting unit 50 flow through the first discharge paths 10 and the second electric discharge branch by the detection of current sensor 51
Total discharge current on road 20, and when total discharge current reduces, control unit 40 improves the first gate-controlled switch 12 and second of control
The dutycycle of the control signal of gate-controlled switch 22, so that total discharge current keeps constant.
When voltage detection unit 30, which detects busbar voltage, is less than predetermined voltage threshold, the control first of control unit 40 is controllable
The gate-controlled switch 22 of switch 12 and second is alternately closed so that the first discharge paths 10 and the second discharge paths 20 are alternately discharged
Work, now, total discharge current are the current value of the discharge paths in work, and current detecting unit 50 can pass through current sensor
The current value of discharge paths in 51 detection work, and when the discharge current of the discharge paths reduces, control unit 40 improves
The control signal dutycycle of gate-controlled switch K1 in the discharge paths is controlled, so that total discharge current keeps constant.
Hereby it is achieved that the current constant control of discharge circuit, and discharge circuit service life can be extended, even if while ensuring any
In the case of individual discharge paths damage, allomeric function will not lack.
In summary, the active discharge circuit for electric automobile proposed according to the utility model embodiment, electronic
Under automobile after electricity, by the voltage on dc-link capacitance in voltage detection unit detection electric machine controller with generatrix voltage
Detected value, control unit judge whether busbar voltage detection value is more than or equal to predetermined voltage threshold, and in busbar voltage detection value
Closed so that the first electric discharge branch by the first gate-controlled switch of control and the second gate-controlled switch during more than or equal to predetermined voltage threshold
Road and the second discharge paths carry out electric discharge work simultaneously.Thereby, it is possible to use different control of discharge for different energies of a charge,
The velocity of discharge of active discharge circuit is improved, widens the voltage scope of application of discharge circuit, moreover, by setting two electric discharge branch
Road, in the case of being failed in a discharge paths, it can still be discharged, be avoided by another discharge paths
Discharging function fails, and improves the reliability of active discharge circuit, reduces crash rate.
Finally, the utility model embodiment also proposed a kind of electric automobile.
Fig. 5 is the block diagram according to the electric automobile of the utility model embodiment.As shown in figure 5, electric automobile 200
The active discharge circuit 100 for electric automobile including above-described embodiment.
The electric automobile proposed according to the utility model embodiment, passes through the active discharge circuit for electric automobile, energy
Different control of discharge enough is used for different energies of a charge, the velocity of discharge of active discharge circuit is improved, widens discharge circuit
The voltage scope of application, moreover, by setting two discharge paths, in the case of being failed in discharge paths,
It can still be discharged by another discharge paths, avoid discharging function from failing, improve the reliability of active discharge circuit,
Reduce crash rate.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
- A kind of 1. active discharge circuit for electric automobile, it is characterised in that including：First discharge paths, first discharge paths include the first discharge resistance and the first gate-controlled switch of series connection；Second discharge paths, second discharge paths are in parallel with first discharge paths, and second discharge paths include The second discharge resistance and the second gate-controlled switch of series connection；Voltage detection unit, the voltage detection unit is by detecting the voltage in electric machine controller on dc-link capacitance with life Into busbar voltage detection value；Control unit, described control unit are connected with the voltage detection unit, and described control unit is under the electric automobile Judge whether the busbar voltage detection value is more than or equal to predetermined voltage threshold after electricity, and be more than in the busbar voltage detection value By controlling first gate-controlled switch and second gate-controlled switch to close so that described during equal to predetermined voltage threshold One discharge paths and second discharge paths carry out electric discharge work simultaneously.
- 2. the active discharge circuit according to claim 1 for electric automobile, it is characterised in that the voltage detecting list Member includes voltage sensor, and the voltage sensor is in parallel with the dc-link capacitance, and the voltage detection unit passes through institute State the voltage on the voltage sensor detection dc-link capacitance.
- 3. the active discharge circuit according to claim 1 or 2 for electric automobile, it is characterised in that described first can Control switch and second gate-controlled switch are metal-oxide-semiconductor, IGBT or relay.
- 4. the active discharge circuit according to claim 3 for electric automobile, it is characterised in that when described first controllable When switch and second gate-controlled switch are metal-oxide-semiconductor or IGBT, the active discharge circuit also includes current detecting unit, described Current detecting unit, and will be described total to detect total discharge current of first discharge paths and second discharge paths Discharge current is sent to described control unit, and described control unit is first controllable according to total discharge current adjustment control The dutycycle of the control signal of switch and second gate-controlled switch is so that total discharge current keeps constant.
- 5. the active discharge circuit according to claim 4 for electric automobile, it is characterised in that the current detecting list Member includes current sensor, and the current sensor is connected in series with the first discharge paths in parallel and the second discharge paths, institute State current detecting unit and total discharge current is detected by the current sensor.
- 6. the active discharge circuit according to claim 1 for electric automobile, it is characterised in that in the busbar voltage When detected value is less than predetermined voltage threshold, described control unit is by controlling first gate-controlled switch and described second controllable to open Pass is alternately closed the work so that first discharge paths and second discharge paths are alternately discharged.
- 7. a kind of electric automobile, it is characterised in that including being used for electric automobile according to any one of the claim 1-6 Active discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720949021.7U CN206962695U (en) | 2017-07-31 | 2017-07-31 | For electric automobile active discharge circuit and there is its electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720949021.7U CN206962695U (en) | 2017-07-31 | 2017-07-31 | For electric automobile active discharge circuit and there is its electric automobile |
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| Publication Number | Publication Date |
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| CN206962695U true CN206962695U (en) | 2018-02-02 |
Family
ID=61380220
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|---|---|---|---|
| CN201720949021.7U Active CN206962695U (en) | 2017-07-31 | 2017-07-31 | For electric automobile active discharge circuit and there is its electric automobile |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621991A (en) * | 2018-04-27 | 2018-10-09 | 北京新能源汽车股份有限公司 | Vehicle and supply unit |
| CN110233509A (en) * | 2019-06-07 | 2019-09-13 | 中车永济电机有限公司 | Vehicle motor controller bus capacitor leadage circuit |
| CN110233510A (en) * | 2019-06-07 | 2019-09-13 | 中车永济电机有限公司 | Vehicle motor controller bus capacitor is released control method |
| CN110518563A (en) * | 2019-09-11 | 2019-11-29 | 广东志高暖通设备股份有限公司 | The method and its MCU of overvoltage protection, air-conditioning equipment |
| CN110912385A (en) * | 2018-09-14 | 2020-03-24 | 宝沃汽车（中国）有限公司 | Active discharge circuit, control method and device thereof and vehicle |
| CN111262268A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Electric automobile and discharge device and method thereof |
| CN112060922A (en) * | 2020-09-27 | 2020-12-11 | 苏州汇川联合动力系统有限公司 | Discharging support circuit of driving motor controller, control method and motor controller |
| CN114559817A (en) * | 2021-02-22 | 2022-05-31 | 长城汽车股份有限公司 | Vehicle control method, controller and vehicle |
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2017
- 2017-07-31 CN CN201720949021.7U patent/CN206962695U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621991A (en) * | 2018-04-27 | 2018-10-09 | 北京新能源汽车股份有限公司 | Vehicle and supply unit |
| CN110912385B (en) * | 2018-09-14 | 2021-07-20 | 宝沃汽车（中国）有限公司 | Active discharge circuit, control method and device thereof and vehicle |
| CN110912385A (en) * | 2018-09-14 | 2020-03-24 | 宝沃汽车（中国）有限公司 | Active discharge circuit, control method and device thereof and vehicle |
| CN111262268A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Electric automobile and discharge device and method thereof |
| CN111262268B (en) * | 2018-11-30 | 2021-09-21 | 比亚迪股份有限公司 | Electric automobile and discharge device and method thereof |
| CN110233509A (en) * | 2019-06-07 | 2019-09-13 | 中车永济电机有限公司 | Vehicle motor controller bus capacitor leadage circuit |
| CN110233510A (en) * | 2019-06-07 | 2019-09-13 | 中车永济电机有限公司 | Vehicle motor controller bus capacitor is released control method |
| CN110518563B (en) * | 2019-09-11 | 2021-10-22 | 广东志高暖通设备股份有限公司 | Overvoltage protection method, MCU and air conditioning equipment |
| CN110518563A (en) * | 2019-09-11 | 2019-11-29 | 广东志高暖通设备股份有限公司 | The method and its MCU of overvoltage protection, air-conditioning equipment |
| CN112060922A (en) * | 2020-09-27 | 2020-12-11 | 苏州汇川联合动力系统有限公司 | Discharging support circuit of driving motor controller, control method and motor controller |
| CN112060922B (en) * | 2020-09-27 | 2022-03-01 | 苏州汇川联合动力系统有限公司 | Discharging support circuit of driving motor controller, control method and motor controller |
| CN114559817A (en) * | 2021-02-22 | 2022-05-31 | 长城汽车股份有限公司 | Vehicle control method, controller and vehicle |
| CN114559817B (en) * | 2021-02-22 | 2024-05-28 | 长城汽车股份有限公司 | Vehicle control method, controller and vehicle |
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