CN112009245B - Control method and device for electrifying electric automobile and automobile - Google Patents
Control method and device for electrifying electric automobile and automobile Download PDFInfo
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- CN112009245B CN112009245B CN201910457308.1A CN201910457308A CN112009245B CN 112009245 B CN112009245 B CN 112009245B CN 201910457308 A CN201910457308 A CN 201910457308A CN 112009245 B CN112009245 B CN 112009245B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a control method and a control device for electrifying an electric automobile and the automobile, wherein the electric automobile comprises an integrated vehicle-mounted power supply, a first voltage end of the integrated vehicle-mounted power supply is connected with a power battery, a second voltage end of the integrated vehicle-mounted power supply is connected with a storage battery, and the control method comprises the following steps: when the electric automobile is started, controlling the integrated vehicle-mounted power supply to be in a first connection state; in the first connection state, the storage battery is electrically connected and conducted with the capacitor of the ECU, and the storage battery charges the capacitor of the ECU; when the power battery is charged, the integrated vehicle-mounted power supply is controlled to be in a second connection state; and in the second connection state, the storage battery is electrically connected and conducted with the internal capacitor of the integrated vehicle-mounted power supply, and the storage battery charges the internal capacitor of the integrated vehicle-mounted power supply. According to the scheme, the storage battery is used for pre-charging the ECU and the internal capacitor of the integrated vehicle-mounted power supply, so that the problem that the large current generated in the moment of electrification is easy to damage the ECU or the semiconductor in the integrated vehicle-mounted power supply is effectively avoided.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a control method and device for electrifying an electric automobile and an automobile.
Background
In the electric automobile, soft start circuits composed of relays and resistors are arranged on the alternating current input side of the vehicle-mounted charger, the input side of the DCDC converter and the port of the power battery, and the soft start circuits are used for preventing large current generated in the moment of electrification from damaging semiconductors in the vehicle-mounted charger, the DCDC converter, an Electronic Control Unit (ECU) and the like. The soft start circuit has the following defects: extra devices, power resistors, relays and relay driving circuits are added, so that the cost is high; the relay has the advantages that the relay has the service life, is frequently opened and closed, and is easy to generate sparks at contacts, and the problems of electric erosion, poor contact of the contacts or adhesion of the contacts are easy to occur; the used resistors are generally a cement resistor and a thermistor, and the two resistors have the performance aging problem after long-term use, so that the reliability of the system is influenced.
Disclosure of Invention
The embodiment of the invention provides a control method and device for electrifying an electric automobile and the automobile, which are used for solving the problem that a large current generated at the moment of electrifying easily damages a semiconductor in an ECU (electronic control unit) or an integrated vehicle-mounted power supply.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the invention, a control method for power-on of an electric vehicle is provided, the electric vehicle comprises an integrated vehicle-mounted power supply, wherein a first voltage end of the integrated vehicle-mounted power supply is connected with a power battery, a second voltage end of the integrated vehicle-mounted power supply is connected with a storage battery, and an Electronic Control Unit (ECU) of the electric vehicle is connected with the first voltage end, the control method comprises the following steps:
when the electric automobile is started, controlling the integrated vehicle-mounted power supply to be in a first connection state; in the first connection state, the storage battery is electrically connected with a capacitor of the ECU, and the storage battery charges the capacitor of the ECU;
when the power battery is charged, the integrated vehicle-mounted power supply is controlled to be in a second connection state; in the second connection state, the storage battery is electrically connected with the internal capacitor of the integrated vehicle-mounted power supply, and the storage battery charges the internal capacitor of the integrated vehicle-mounted power supply.
Further, still include:
and after the voltage between the two electrodes of the capacitor of the ECU reaches a first preset voltage value, controlling the electric connection between the storage battery and the capacitor of the ECU to be disconnected, and controlling a relay in the power battery to be closed.
Further, still include:
after the voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply reaches a second preset voltage value, the storage battery is controlled to be electrically disconnected with the internal capacitor of the integrated vehicle-mounted power supply, the relay inside the power battery is closed, the integrated vehicle-mounted power supply is controlled to be in a third connection state, and the power battery is electrically connected with the internal capacitor of the integrated vehicle-mounted power supply.
Further, after the relay inside the power battery is controlled to be closed, the control method further comprises the following steps:
requesting access to the alternating current.
According to another aspect of the present invention, there is provided a control device for power-on of an electric vehicle, the electric vehicle including an integrated vehicle-mounted power supply, wherein a first voltage terminal of the integrated vehicle-mounted power supply is connected to a power battery, a second voltage terminal of the integrated vehicle-mounted power supply is connected to a storage battery, and an electronic control unit ECU of the electric vehicle is connected to the first voltage terminal, the control device comprising:
the first pre-charging module is used for controlling the integrated vehicle-mounted power supply to be in a first connection state when the electric vehicle is started; in the first connection state, the storage battery is electrically connected with a capacitor of the ECU, and the storage battery charges the capacitor of the ECU;
the second pre-charging module is used for controlling the integrated vehicle-mounted power supply to be in a second connection state when the power battery is charged; in the second connection state, the storage battery is electrically connected with the internal capacitor of the integrated vehicle-mounted power supply, and the storage battery charges the internal capacitor of the integrated vehicle-mounted power supply.
Further, the method also comprises the following steps:
and the first control module is used for controlling the storage battery to be electrically connected and disconnected with the capacitor of the ECU after the voltage between the two poles of the capacitor of the ECU reaches a first preset voltage value, and controlling the relay inside the power battery to be closed.
Further, still include:
the second control module group is used for after voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply reaches the second preset voltage value, controlling the storage battery and the electric connection and disconnection between the internal capacitor of the integrated vehicle-mounted power supply and controlling the relay inside the power battery is closed and controlled the integrated vehicle-mounted power supply is in the third connection state, and the power battery and the electric connection between the internal capacitor of the integrated vehicle-mounted power supply are switched on.
Further, after controlling the relay inside the power battery to be closed, the second control module is further configured to:
requesting access to the alternating current.
According to another aspect of the present invention, there is provided a control apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor; the processor implements the control method as described above when executing the program.
According to another aspect of the present invention, there is provided an automobile including a power battery, a storage battery, and an integrated on-board power supply, and further including the control apparatus as described above.
The invention has the beneficial effects that:
according to the scheme, the ECU and the internal capacitor of the integrated vehicle-mounted power supply are pre-charged through the storage battery, so that the problem that the ECU or a semiconductor in the integrated vehicle-mounted power supply is easily damaged by large current generated in the moment of electrification is effectively solved.
Drawings
Fig. 1 is a schematic diagram of a key circuit of a control method for powering on an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a control device for powering on an electric vehicle according to an embodiment of the present invention;
FIG. 3 illustrates a circuit topology of an integrated vehicle power supply provided by an embodiment of the present invention;
FIG. 4 shows one of the electrical block diagrams of the integrated vehicle power supply in the high voltage system of the entire vehicle according to the embodiment of the invention;
fig. 5 shows a second electrical block diagram of the integrated vehicle-mounted power supply in the high-voltage system of the entire vehicle according to the embodiment of the invention;
fig. 6 is a schematic diagram illustrating a current flow when a storage battery of the control method for powering up an electric vehicle charges a capacitor of an ECU according to the embodiment of the present invention;
fig. 7 is a schematic current flow diagram illustrating a method for controlling power-on of an electric vehicle according to an embodiment of the present invention when a storage battery charges an internal capacitor of an integrated vehicle-mounted power supply.
Description of the reference numerals:
11-a storage battery; 12-a power cell; 13-an electronic control unit ECU; 14-integrated vehicle power supply; 21-a first pre-charging module; 22-a second pre-charge module; 23-a first control module; 24-a second control module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
An electric vehicle is generally provided with an on-vehicle charger, a DCDC converter, an electronic control unit ECU13, a power battery 12, and a battery 11. The output end of the vehicle-mounted charger and the input end of the ECU13 on the high-voltage bus are connected in parallel to the port of the power battery 12. The vehicle-mounted charger can convert alternating current on the side of a power grid into direct current to charge the power battery 12.
An integrated vehicle-mounted power supply 14 is developed in the market, and a vehicle-mounted charger and a DCDC converter are integrated into one product, and the circuit topology of the integrated vehicle-mounted power supply is shown in fig. 3. The circuit line block diagram of the integrated vehicle-mounted power supply 14 when applied to the high-voltage electrical system of the electric vehicle is shown in fig. 4, a soft start circuit composed of a resistor and a relay is arranged inside the integrated vehicle-mounted power supply 14 and the power battery 12, and the soft start circuit is used for preventing a large current generated at the moment of electrifying from damaging the ECU13 or a semiconductor inside the integrated vehicle-mounted power supply 14, but the soft start circuit has many defects of resistance performance aging and the like, which easily causes the high-voltage electrical system of the electric vehicle to be unstable.
The invention provides a control method and a control device for power-on of an electric automobile and the automobile, wherein a soft start circuit can be omitted, as shown in fig. 5, a storage battery 11 is used for pre-charging a capacitor of an ECU13 or an internal capacitor of an integrated vehicle-mounted power supply 14, so that the problem that a large current generated at the moment of power-on of the electric automobile easily damages the internal semiconductor of the integrated vehicle-mounted power supply 14 or the ECU13 and the like is solved.
As shown in fig. 1, an embodiment of the present invention provides a control method for powering up an electric vehicle, where the electric vehicle includes an integrated vehicle-mounted power supply 14, a first voltage terminal of the integrated vehicle-mounted power supply 14 is connected to a power battery 12, a second voltage terminal is connected to a storage battery 11, and an electronic control unit ECU13 of the electric vehicle is connected to the first voltage terminal, and the control method includes:
when the electric automobile is started, controlling the integrated vehicle-mounted power supply 14 to be in a first connection state; in the first connected state, the electrical connection between the battery 11 and the capacitance of the ECU13 is conductive, the battery 11 charging the capacitance of the ECU 13;
it should be noted that in the first connection state, the battery 11 is connected to the capacitor of the ECU13 through the bidirectional Buck/Boost circuit, Q14, Q13, and the integrated transformer T1, Q9-Q12, and as shown in fig. 6, the electric energy of the battery 11 is transmitted to the ECU13 through the bidirectional Buck/Boost circuit to charge the capacitor of the ECU 13.
When the power battery 12 is charged, the integrated vehicle-mounted power supply 14 is controlled to be in a second connection state; in the second connection state, the electrical connection between the storage battery 11 and the internal capacitor of the integrated vehicle power supply 14 is turned on, and the storage battery 11 charges the internal capacitor of the integrated vehicle power supply 14.
It should be noted that, in the second connection state, the storage battery 11 is connected to the internal capacitor C1 of the integrated vehicle power supply 14 through the bidirectional Buck/Boost circuit, Q14, Q13, and the integrated transformers T1, Q5 to Q8, as shown in fig. 7, the electric energy of the storage battery 11 is transmitted to the integrated vehicle power supply 14 through this line, so as to charge the internal capacitor C1 of the integrated vehicle power supply 14.
Further, still include:
after the voltage between two electrodes of the capacitor of the ECU13 reaches a first preset voltage value, the electric connection between the storage battery 11 and the ECU13 is controlled to be disconnected, and a relay inside the power battery 12 is controlled to be closed.
It should be noted that, at this time, the capacitor of the ECU13 is already in a charged state, and when the power battery 12 supplies power to the entire vehicle and outputs a high voltage, no instantaneous impact current is caused, thereby preventing the semiconductor devices inside the ECU13 from being damaged.
Further, still include:
after the voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply 14 reaches a second preset voltage value, the storage battery 11 is controlled to be electrically disconnected with the internal capacitor of the integrated vehicle-mounted power supply 14, the relay inside the power battery 12 is closed, the integrated vehicle-mounted power supply 14 is controlled to be in a third connection state, and the power battery 12 is electrically connected with the internal capacitor of the integrated vehicle-mounted power supply 14.
It should be noted that, in the third connection state, the power battery 12 is connected to the first voltage end of the integrated vehicle power supply 14 through the internal relays K3 and K4, and then is connected to the ac power through the Q9 to Q12, the integrated transformers T1 and Q5 to Q8, and the rectification + PFC circuit inside the integrated vehicle power supply 14. The alternating current charges the power battery 12 through the integrated vehicle power supply 14.
Further, after controlling the relay inside the power battery 12 to be closed, the control method further includes:
requesting access to the alternating current.
It should be noted that, at this time, the internal capacitor of the integrated vehicle power supply 14 is already in a charged state, and when ac power is supplied, an instantaneous impact current is not caused, thereby preventing a semiconductor device inside the integrated vehicle power supply 14 from being damaged.
According to the control method for electrifying the electric automobile, before the high-voltage electricity or the alternating current is connected, the capacitor of the ECU13 or the internal capacitor of the integrated vehicle-mounted power supply 14 is precharged through the storage battery 11, and the high-voltage electricity or the alternating current is connected after the precharge is finished, so that the capacitor of the ECU13 or the internal capacitor of the integrated vehicle-mounted power supply 14 is in an electrified state, and the damage of instantaneous impact current to the ECU13 and the semiconductor devices inside the integrated vehicle-mounted power supply 14 is effectively avoided. And a soft start circuit consisting of a resistor and a relay is not required to be additionally arranged, so that the cost is saved, and the stability of the system is improved.
As shown in fig. 2, an embodiment of the present invention further provides a control device for powering on an electric vehicle, where the electric vehicle includes an integrated vehicle-mounted power supply 14, a first voltage terminal of the integrated vehicle-mounted power supply 14 is connected to a power battery 12, a second voltage terminal of the integrated vehicle-mounted power supply is connected to a storage battery 11, and an electronic control unit ECU13 of the electric vehicle is connected to the first voltage terminal, the control device includes:
the first pre-charging module 21 is used for controlling the integrated vehicle-mounted power supply 14 to be in a first connection state when the electric vehicle is started; in the first connected state, the electrical connection between the battery 11 and the capacitance of the ECU13 is conductive, the battery 11 charging the capacitance of the ECU 13;
it should be noted that in the first connection state, the battery 11 is connected to the capacitor of the ECU13 through the bidirectional Buck/Boost circuit, Q14, Q13, and the integrated transformers T1, Q9 to Q12, and as shown in fig. 6, the electric energy of the battery 11 flows to the ECU13 through this line to charge the capacitor of the ECU 13.
The second pre-charging module 22 is used for controlling the integrated vehicle-mounted power supply 14 to be in a second connection state when the power battery 12 is charged; in the second connection state, the electrical connection between the storage battery 11 and the internal capacitor of the integrated vehicle-mounted power supply 14 is conducted, and the storage battery 11 charges the internal capacitor of the integrated vehicle-mounted power supply 14.
It should be noted that in the second connection state, the storage battery 11 is connected to the internal capacitor C1 of the integrated vehicle-mounted power supply 14 through the bidirectional Buck/Boost circuit, Q14, Q13, and the integrated transformers T1, Q5 to Q8, and as shown in fig. 7, the electric energy of the storage battery 11 flows to the integrated vehicle-mounted power supply 14 through the line to charge the internal capacitor C1 of the integrated vehicle-mounted power supply 14.
Further, the method also comprises the following steps:
and the first control module 23 is used for controlling the storage battery 11 and the ECU13 to be electrically disconnected after the voltage between two electrodes of the capacitor of the ECU13 reaches a first preset voltage value, and controlling the relay inside the power battery 12 to be closed.
It should be noted that, at this time, the capacitor of the ECU13 is already in a charged state, so that when the power battery 12 outputs a high voltage, no instantaneous impact current is caused, and damage to the internal semiconductor devices of the ECU13 is avoided.
Further, still include:
the second control module 24 is used for controlling the storage battery 11 and the electric connection between the internal capacitors of the integrated vehicle-mounted power supply 14 is disconnected and controlled after the voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply 14 reaches a second preset voltage value, the relay inside the power battery 12 is closed and controlled, the integrated vehicle-mounted power supply 14 is in a third connection state, and the power battery 12 is electrically connected and conducted with the internal capacitor of the integrated vehicle-mounted power supply 14.
It should be noted that, in the third connection state, the power battery 12 is connected to the first voltage end of the integrated vehicle power supply 14 through the internal relays K3 and K4, and then is connected to the ac power through the Q9 to Q12, the integrated transformers T1 and Q5 to Q8, and the rectification + PFC circuit inside the integrated vehicle power supply 14. The alternating current charges the power battery 12 through the integrated vehicle power supply 14.
Further, after controlling the relay inside the power battery 12 to close, the second control module 24 is further configured to:
requesting access to the alternating current.
It should be noted that, at this time, the internal capacitor of the integrated vehicle power supply 14 is already in a charged state, and when ac power is supplied, an instantaneous impact current is not caused, thereby avoiding damage to the semiconductor device inside the integrated vehicle power supply 14.
According to the control device for electrifying the electric automobile, a soft start circuit composed of a resistor and a relay in the prior art is not additionally arranged, the effect of pre-charging the ECU13 and the internal capacitor of the integrated vehicle-mounted power supply 14 is achieved through the storage battery 11, and the problem that the semiconductor in the ECU13 or the integrated vehicle-mounted power supply 14 is easily damaged by large current generated at the moment of electrifying is effectively avoided. The cost is saved, a plurality of other defects of a soft start circuit in the prior art are avoided, and the stability of the system is improved.
The embodiment of the invention also provides control equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; the processor implements the control method as described above when executing the program.
The embodiment of the invention also provides an automobile which comprises the power battery 12, the storage battery 11, the integrated vehicle-mounted power supply 14 and the control equipment.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A control method for power-on of an electric automobile, wherein the electric automobile comprises an integrated vehicle-mounted power supply, a first voltage end of the integrated vehicle-mounted power supply is connected with a power battery, a second voltage end of the integrated vehicle-mounted power supply is connected with a storage battery, and an Electronic Control Unit (ECU) of the electric automobile is connected with the first voltage end, and the control method comprises the following steps:
when the electric automobile is started, controlling the integrated vehicle-mounted power supply to be in a first connection state; in the first connection state, the storage battery is electrically connected with a capacitor of the ECU, and the storage battery charges the capacitor of the ECU;
when the power battery is charged, the integrated vehicle-mounted power supply is controlled to be in a second connection state; in the second connection state, the storage battery is electrically connected and conducted with the internal capacitor of the integrated vehicle-mounted power supply, and the storage battery charges the internal capacitor of the integrated vehicle-mounted power supply;
after the voltage between two electrodes of the capacitor of the ECU reaches a first preset voltage value, controlling the electric connection between the storage battery and the capacitor of the ECU to be disconnected, and controlling a relay in the power battery to be closed;
after the voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply reaches a second preset voltage value, the storage battery is controlled to be electrically disconnected with the internal capacitor of the integrated vehicle-mounted power supply, the relay inside the power battery is closed and controlled, the integrated vehicle-mounted power supply is in a third connection state, and the power battery is electrically connected with the internal capacitor of the integrated vehicle-mounted power supply.
2. The control method according to claim 1, wherein after controlling a relay inside the power battery to be closed, the control method further comprises:
requesting access to the alternating current.
3. A control device for power-on of an electric automobile, wherein the electric automobile comprises an integrated vehicle-mounted power supply, a first voltage end of the integrated vehicle-mounted power supply is connected with a power battery, a second voltage end of the integrated vehicle-mounted power supply is connected with a storage battery, and an Electronic Control Unit (ECU) of the electric automobile is connected with the first voltage end, and the control device is characterized by comprising:
the first pre-charging module is used for controlling the integrated vehicle-mounted power supply to be in a first connection state when the electric vehicle is started; in the first connection state, the storage battery is electrically connected with a capacitor of the ECU, and the storage battery charges the capacitor of the ECU;
the second pre-charging module is used for controlling the integrated vehicle-mounted power supply to be in a second connection state when the power battery is charged; in the second connection state, the storage battery is electrically connected and conducted with the internal capacitor of the integrated vehicle-mounted power supply, and the storage battery charges the internal capacitor of the integrated vehicle-mounted power supply;
the first control module is used for controlling the electric connection between the storage battery and the capacitor of the ECU to be disconnected and controlling a relay in the power battery to be closed after the voltage between two poles of the capacitor of the ECU reaches a first preset voltage value;
the second control module group is used for after voltage between the two poles of the internal capacitor of the integrated vehicle-mounted power supply reaches the second preset voltage value, controlling the storage battery and the electric connection and disconnection between the internal capacitor of the integrated vehicle-mounted power supply and controlling the relay inside the power battery is closed and controlled the integrated vehicle-mounted power supply is in the third connection state, and the power battery and the electric connection between the internal capacitor of the integrated vehicle-mounted power supply are switched on.
4. The control device according to claim 3, wherein after controlling the relay inside the power battery to be closed, the second control module is further configured to:
requesting access to the alternating current.
5. A control apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor; characterized in that the processor, when executing the computer program, implements the control method according to any one of claims 1 to 2.
6. An automobile comprising a power battery, a storage battery and an integrated on-board power supply, characterized by further comprising the control device of claim 5.
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| CN201910457308.1A CN112009245B (en) | 2019-05-29 | 2019-05-29 | Control method and device for electrifying electric automobile and automobile |
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| CN201910457308.1A CN112009245B (en) | 2019-05-29 | 2019-05-29 | Control method and device for electrifying electric automobile and automobile |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072492A (en) * | 2013-01-28 | 2013-05-01 | 吉林大学 | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system |
| CN103825344A (en) * | 2014-03-25 | 2014-05-28 | 天津市松正电动汽车技术股份有限公司 | Electric vehicle controller pre-charging circuit |
| CN204517388U (en) * | 2015-01-13 | 2015-07-29 | 广州中海达卫星导航技术股份有限公司 | Vehicle electronic control unit power protecting circuit |
| CN107139778A (en) * | 2017-05-25 | 2017-09-08 | 天津恒天新能源汽车研究院有限公司 | A kind of vehicle control system of pure electric vehicle |
| CN207345508U (en) * | 2017-09-25 | 2018-05-11 | 合肥创宇新能源科技有限公司 | A kind of pure electric automobile high voltage control box device |
| WO2018101932A1 (en) * | 2016-11-30 | 2018-06-07 | Halliburton Energy Services, Inc. | Independent and rechargeable power supply for a bottom hole assembly |
| CN109747437A (en) * | 2017-11-08 | 2019-05-14 | 丰田自动车株式会社 | Automotive power supply system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202782643U (en) * | 2012-09-11 | 2013-03-13 | 东风汽车公司 | Connection circuit of power battery and motor in hybrid electric vehicle |
| CN107089166A (en) * | 2017-05-19 | 2017-08-25 | 北京新能源汽车股份有限公司 | The charging method and system of electric automobile |
| CN108275001A (en) * | 2018-02-01 | 2018-07-13 | 武汉斯马特益电子技术有限公司 | A kind of vehicle high voltage system circuit of not pre-charge-relay |
-
2019
- 2019-05-29 CN CN201910457308.1A patent/CN112009245B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072492A (en) * | 2013-01-28 | 2013-05-01 | 吉林大学 | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system |
| CN103825344A (en) * | 2014-03-25 | 2014-05-28 | 天津市松正电动汽车技术股份有限公司 | Electric vehicle controller pre-charging circuit |
| CN204517388U (en) * | 2015-01-13 | 2015-07-29 | 广州中海达卫星导航技术股份有限公司 | Vehicle electronic control unit power protecting circuit |
| WO2018101932A1 (en) * | 2016-11-30 | 2018-06-07 | Halliburton Energy Services, Inc. | Independent and rechargeable power supply for a bottom hole assembly |
| CN107139778A (en) * | 2017-05-25 | 2017-09-08 | 天津恒天新能源汽车研究院有限公司 | A kind of vehicle control system of pure electric vehicle |
| CN207345508U (en) * | 2017-09-25 | 2018-05-11 | 合肥创宇新能源科技有限公司 | A kind of pure electric automobile high voltage control box device |
| CN109747437A (en) * | 2017-11-08 | 2019-05-14 | 丰田自动车株式会社 | Automotive power supply system |
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