CN108422889A - A kind of preliminary filling control circuit and control method for electric vehicle - Google Patents
A kind of preliminary filling control circuit and control method for electric vehicle Download PDFInfo
- Publication number
- CN108422889A CN108422889A CN201810397422.5A CN201810397422A CN108422889A CN 108422889 A CN108422889 A CN 108422889A CN 201810397422 A CN201810397422 A CN 201810397422A CN 108422889 A CN108422889 A CN 108422889A
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- voltage
- preliminary filling
- electric vehicle
- relay
- master
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 34
- 238000005429 filling process Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of preliminary filling control circuit and control method for electric vehicle, including a DC power supply, one DC DC converters, a plurality of pre-charging capacitor devices, plurality of high voltage electrical equipment, a plurality of battery modules, the one positive relay of master, one voltage check device, one control device, the low-voltage DC of the DC power supply is converted to high voltage direct current by the DC DC converters, it charges to the corresponding pre-charging capacitor device of the high voltage electric equipment on electric vehicle, the voltage check device detects the voltage of the voltage and the battery modules of the pre-charging capacitor device simultaneously, when the voltage of the voltage of the pre-charging capacitor device and the battery modules is close, the control device is closed main positive relay and constitutes closed circuit, complete the preliminary filling process of electric vehicle automobile.
Description
Technical field
The present invention relates to a kind of electric vehicle field of power, refer in particular to a kind of preliminary filling control circuit for electric vehicle
And control method.
Background technology
During vehicle launch, if being pre-charged without capacitance, the direct closing relay of battery completes circuit, then battery
The electricity of 350V is applied directly to capacitance both ends, it is assumed that circuit internal resistance be 0.1 Ω, according to I=△ U/R=(350V-0V)/0.1 Ω=
3500A, circuit will produce the dash current of kilo-ampere, impact, cause to relay, fuse, the capacitance on circuit
The damage of component.
Existing preliminary filling control circuit, such as：Application number：201710516716.0 a kind of preliminary filling of hybrid power vehicle high voltage system
Electric control circuit and control method, " it is characterized in that：The positive relay of the master, main negative relay one end be separately connected it is described
Positive terminal, the negative pole end of power battery module, main positive relay, the main other end for bearing relay are connect with motor, the capacitance
The both ends of motor are attempted by, the both ends that main positive relay is connected to after the preliminary filling relay concatenation preliminary filling resistance form electricity in parallel
Current divider is arranged between parallel circuit and the positive terminal of power battery module in road "；It the advantage is that：" the method for the present invention is closed
Current value is smaller in circuit when closing main positive relay, main negative relay and preliminary filling relay, can prevent due to the positive relay of master
Accident, further support vehicles and driver's personal safety caused by device, main negative relay and the sintering of preliminary filling relay contact ".
Because 201710516716.0 carry out preliminary filling by capacitance using preliminary filling relay and preliminary filling resistance to motor, but due to preliminary filling
Main positive relay in parallel, the shunt circuit of formation are also easy to produce interference, such as electromagnetic interference again after relay concatenation preliminary filling resistance, often
The problem of non-preliminary filling of triggering directly powers on, ultimately causes the damage of preliminary filling relay, preliminary filling resistance, electrical appliance equipment, Er Qiepin
Numerous replacement device maintenance, leads to the increase of electric vehicle maintenance and repair cost, and the practicability of electric vehicle is made to reduce.
The prior art the disadvantage is that：
1, the complexity in preliminary filling control circuit increasing high-voltage electrical apparatus circuit is so as to cause the unstable of preliminary filling control circuit, in advance
Charging circuit device interferes with each other operation, the case where directly being powered on without preliminary filling is susceptible in start-up course, in this case
It is easy the main positive relay of directly damage.
2, preliminary filling relay and preliminary filling resistance have certain service life, in the case of long-time service, preliminary filling relay
It is vulnerable part with preliminary filling resistance, especially in the case where there is rush of current, the service life substantially reduces, and needs to frequently replace increase
The cost of maintenance and repair.
Invention content
The technical problem to be solved in the present invention is to provide a kind of preliminary filling control circuit for electric vehicle and control
Method.
The invention is realized in this way：A kind of preliminary filling control circuit for electric vehicle, including it is a DC power supply, a plurality of
Low voltage equipment, a DC-DC converter, a plurality of pre-charging capacitor devices, plurality of high voltage electrical equipment, a plurality of battery moulds
Group, the positive relay of a master, a voltage check device, a control device, a plurality of battery modules are used in series, the direct current
Low voltage equipment described in power sources in parallel and the DC-DC converter, the positive relay of master are connected after the battery modules
The parallel connection DC-DC converter, the high voltage electric equipment, the pre-charging capacitor device, the voltage check device parallel connection institute
Main positive relay is stated, the control device connects the voltage check device and the positive relay of the master.
Preferably, further include that a master bears relay, the master bears relay and connects the other ends of the battery modules, described
Main positive relay, the battery modules, the master bear the parallel connection DC-DC converter, the high pressure after relay is sequentially connected in series
Electrical equipment, the pre-charging capacitor device.
Preferably, the voltage check device positive relay of master in parallel or the master bear relay, the control dress
It sets the connection voltage check device, the positive relay of the master and the master and bears relay.
Preferably, the high voltage electric equipment corresponds to a pre-charging capacitor device in parallel.
Preferably, the DC-DC converter is bi-directional DC-DC converter, and the DC power supply is lead-acid battery or lithium electricity
Pond.
The present invention specifically comprises the following steps：A kind of control method of preliminary filling control circuit for electric vehicle, including one
DC power supply, a DC-DC converter, a plurality of pre-charging capacitor devices, plurality of high voltage electrical equipment, a plurality of battery modules,
The positive relay of one master, a voltage check device, a control device, low-pressure direct of the DC-DC converter the DC power supply
Galvanic electricity is converted to high voltage direct current, is filled to the corresponding pre-charging capacitor device of the high voltage electric equipment on electric vehicle
Electricity, while the voltage check device detects the voltage of the voltage and the battery modules of the pre-charging capacitor device, when described
When the voltage of pre-charging capacitor device and the close voltage of the battery modules, the control device is closed main positive relay composition and closes
Circuit is closed, the preliminary filling process of electric vehicle automobile is completed.
Preferably, further include that a master bears relay, when the voltage check device detects the electricity of the pre-charging capacitor device
When the voltage of pressure and the battery modules is close, the control device is closed main positive relay, main negative relay composition is closed back
The preliminary filling process of electric vehicle automobile is completed on road.
Preferably, further including a plurality of low voltage equipments, preliminary filling is completed, after normal vehicle operation, the battery modules
High voltage direct current low-voltage direct changed by the DC-DC converter supply electricity to the DC power supply and charge, and give the low pressure
Power supply for electrical equipment.
Preferably, the DC-DC converter is bi-directional DC-DC converter, and the DC power supply is lead-acid battery or lithium electricity
Pond.
Preferably, when being charged, the corresponding all pre-charging capacitors of all high voltage electric equipment on electric vehicle
Device all charges.
The invention has the advantages that：
1, the present invention does not use preliminary filling relay and preliminary filling resistance, reduces the high-pressure truss complexity of electric vehicle, keeps away
Exempt from precharging circuit device and interfere with each other the case where directly being powered on without preliminary filling caused by operation, there is cost-effective, protection electricity consumption
The characteristics of device equipment, greatly reduces repair and the cost of upkeep of electric vehicle.
2, by adding main negative relay, main negative relay is separately positioned on the positive terminal of battery modules with main positive relay
And negative pole end, the positive terminal of battery modules and negative pole end and other loads are separated, avoids battery modules abnormal and influences
Other loads.
3, by bi-directional DC-DC converter, the present invention is completed in preliminary filling, after normal vehicle operation, moreover it is possible to by battery modules
High voltage direct current change into low-voltage direct supply electricity to DC power supply charging, and to the low voltage equipment power, so not only protect
The duration that each DC power supply uses has been demonstrate,proved, and has provided a kind of power supply guarantee more for low voltage equipment, has made low pressure electricity consumption
Equipment electricity consumption is more stablized.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the method for the present invention device connection diagram.
Figure of description is as follows：
DC power supply 1；Low voltage equipment 2；DC-DC converter 3；Pre-charging capacitor device 4；High voltage electric equipment 5；Battery
Module 6；Voltage check device 7；Main positive relay 8；Main negative relay 9.
Specific implementation mode
Refering to Figure 1, a kind of preliminary filling control circuit for electric vehicle, including a DC power supply 1, a plurality of low pressure
Electrical equipment 2, a DC-DC converter 3, a plurality of pre-charging capacitor devices 4, plurality of high voltage electrical equipment 5, a plurality of battery moulds
The positive master of relay 8, one of 6, one master of group bears relay 9, a voltage check device 7, a control device (not shown), a plurality of described
Battery modules 6 are used in series, the low voltage equipment 2 in parallel of the DC power supply 1 and 3 (this hair of the DC-DC converter
Bright low voltage equipment 2 is not limited only to quantity shown in figure), the positive relay 8 of the master, the battery modules 6, the master
The parallel connection DC-DC converter 3, the high voltage electric equipment 5, the pre-charging capacitor device 4 after negative relay 9 is sequentially connected in series,
The positive relay 8 of master in parallel of the voltage check device 7 or the master bear relay 9, and the control device (not shown) connects
It meets the voltage check device 7, the positive relay 8 of the master and the master and bears relay 9；The one high voltage electric equipment 5 corresponds to
A pre-charging capacitor device 4 in parallel, high voltage electric equipment 5 of the invention and pre-charging capacitor device 4 are not limited only to institute in figure
The quantity shown；The DC-DC converter 3 is bi-directional DC-DC converter, and the DC power supply 1 is lead-acid battery or lithium battery.
A kind of control method of preliminary filling control circuit for electric vehicle, including a DC power supply 1, a DC-DC converter
3, a plurality of pre-charging capacitor devices 4, plurality of high voltage electrical equipment 5, a plurality of low voltage equipments 2, a plurality of battery modules
6, the positive master of relay 8, one of a master bears relay 9, a voltage check device 7, a control device (not shown), and the DC-DC turns
The low-voltage DC of the DC power supply 1 is converted to high voltage direct current by parallel operation 3, is used all high pressures on electric vehicle
The corresponding all pre-charging capacitor devices 4 of electric equipment 5 charge, at the same the voltage check device 7 detect it is described pre-
The voltage of the voltage and the battery modules 6 of charging capacitance device 4, when voltage and the battery mould of the pre-charging capacitor device 4
When the voltage of group 6 is close, the control device (not shown) is closed main positive relay 8 and the main negative composition of relay 9 is closed back
The preliminary filling process of electric vehicle automobile is completed on road.Preliminary filling is completed, after normal vehicle operation, the high voltage direct current of the battery modules 6
Low-voltage direct is changed by the DC-DC converter 3 and supplies electricity to the charging of the DC power supply 1, and is supplied to the low voltage equipment 2
Electricity.The DC-DC converter 3 is bi-directional DC-DC converter, and the DC power supply 1 is lead-acid battery or lithium battery, lead-acid battery
It is selected according to the outfit of practical electric vehicle automobile with lithium battery, here with 12V lead-acid batteries, battery modules 6 and high voltage electric
The electricity consumption of equipment 5 further illustrates the effect of bi-directional DC-DC converter 3 for being 350V.
Bi-directional DC-DC converter 3 is converted to 350V high during powering on preliminary filling, by the 12V low tensions of 12V lead-acid batteries
Piezoelectricity to 5 corresponding pre-charging capacitor device 4 of high voltage electric equipment (pre-charging capacitor device 4 to high voltage electric equipment 5 rise voltage stabilizing and
The effect of filtering) it charges；After powering on successfully, the 350V high-voltage electricity that bi-directional DC-DC converter 3 receives battery modules 6 will
It is that 12V lead-acid batteries charge, and power to the low voltage equipment 2 that it, which is converted to 12V low tensions,.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field modification and variation equivalent made by the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (10)
1. a kind of preliminary filling control circuit for electric vehicle, including a DC power supply, a plurality of low voltage equipments, a DC-DC
Converter, a plurality of pre-charging capacitor devices, plurality of high voltage electrical equipment, a plurality of battery modules, the positive relay of a master, an electricity
Detection device, a control device, a plurality of battery modules is pressed to be used in series, it is characterised in that：
The DC power supply low voltage equipment in parallel and the DC-DC converter, master's positive relay series connection institute
State the DC-DC converter in parallel after battery modules, the high voltage electric equipment, the pre-charging capacitor device, the voltage inspection
The device positive relay of master in parallel is surveyed, the control device connects the voltage check device and the positive relay of the master.
2. a kind of preliminary filling control circuit for electric vehicle according to claim 1, it is characterised in that：Further include that a master is negative
Relay, the master bear relay and connect the other ends of the battery modules, the positive relay of the master, the battery modules, institute
State the parallel connection DC-DC converter, the high voltage electric equipment, the pre-charging capacitor device after main negative relay is sequentially connected in series.
3. a kind of preliminary filling control circuit for electric vehicle according to claim 2, it is characterised in that：The voltage detecting
The device parallel connection positive relay of master or the master bear relay, and the control device connects the voltage check device, described
Main positive relay and the master bear relay.
4. a kind of preliminary filling control circuit for electric vehicle according to claim 1, it is characterised in that：One high pressure is used
Electric equipment corresponds to a pre-charging capacitor device in parallel.
5. a kind of preliminary filling control circuit for electric vehicle according to claim 1, it is characterised in that：The DC-DC turns
Parallel operation is bi-directional DC-DC converter, and the DC power supply is lead-acid battery or lithium battery.
6. a kind of control method of preliminary filling control circuit for electric vehicle, including it is a DC power supply, a DC-DC converter, multiple
Several pre-charging capacitor devices, plurality of high voltage electrical equipment, a plurality of battery modules, the positive relay of a master, voltage detecting dress
It sets, a control device, it is characterised in that：The low-voltage DC of the DC power supply is converted to high pressure by the DC-DC converter
Direct current charges to the corresponding pre-charging capacitor device of the high voltage electric equipment on electric vehicle, while the electricity
Pressure detection device detects the voltage of the voltage and the battery modules of the pre-charging capacitor device, when the pre-charging capacitor device
When voltage and the close voltage of the battery modules, the control device is closed main positive relay and constitutes closed circuit, completes electricity
The preliminary filling process of motor-car automobile.
7. a kind of control method of preliminary filling control circuit for electric vehicle according to claim 6, it is characterised in that：Also
Relay is born including a master, when the voltage check device detects the voltage of the pre-charging capacitor device and the battery modules
When voltage is close, the control device is closed main positive relay, main negative relay constitutes closed circuit, completes electric vehicle automobile
Preliminary filling process.
8. a kind of control method of preliminary filling control circuit for electric vehicle according to claim 6, it is characterised in that：Also
Including a plurality of low voltage equipments, preliminary filling is completed, and after normal vehicle operation, the high voltage direct current of the battery modules passes through institute
It states DC-DC converter and changes into low-voltage direct and supply electricity to DC power supply charging, and power to the low voltage equipment.
9. a kind of control method of preliminary filling control circuit for electric vehicle according to claim 6, it is characterised in that：Institute
It is bi-directional DC-DC converter to state DC-DC converter, and the DC power supply is lead-acid battery or lithium battery.
10. a kind of control method of preliminary filling control circuit for electric vehicle according to claim 6, it is characterised in that：
When being charged, the corresponding all pre-charging capacitor devices of all high voltage electric equipment all charge on electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397422.5A CN108422889A (en) | 2018-04-28 | 2018-04-28 | A kind of preliminary filling control circuit and control method for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397422.5A CN108422889A (en) | 2018-04-28 | 2018-04-28 | A kind of preliminary filling control circuit and control method for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108422889A true CN108422889A (en) | 2018-08-21 |
Family
ID=63162035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810397422.5A Pending CN108422889A (en) | 2018-04-28 | 2018-04-28 | A kind of preliminary filling control circuit and control method for electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108422889A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088111A (en) * | 2018-08-23 | 2018-12-25 | 广州创链科技有限公司 | A kind of new-energy automobile lithium battery and lead-acid battery hybrid control system and method |
| CN109383328A (en) * | 2018-10-23 | 2019-02-26 | 格罗夫汽车科技有限公司 | It is a kind of to realize that high pressure powers on the control system and method that are pre-charged by DCDC |
| CN109586368A (en) * | 2018-12-07 | 2019-04-05 | 珠海格力电器股份有限公司 | Energy-storage system starter, starting method and energy-storage system |
| WO2019091465A1 (en) * | 2017-11-13 | 2019-05-16 | Ningbo Geely Automobile Research & Development Co., Ltd. | Contactor control system and method for controlling a contactor |
| CN110601601A (en) * | 2019-08-30 | 2019-12-20 | 广东志高暖通设备股份有限公司 | Pre-charging control circuit, charging unit and air conditioner |
| CN110789368A (en) * | 2019-11-12 | 2020-02-14 | 奇瑞汽车股份有限公司 | Electric automobile pre-charging circuit and control method thereof |
| CN110829812A (en) * | 2019-11-13 | 2020-02-21 | 奇瑞新能源汽车股份有限公司 | High-voltage control system and method for electric automobile |
| CN111916852A (en) * | 2020-07-10 | 2020-11-10 | 广州小鹏汽车制造有限公司 | Power battery system capacitor pre-charging circuit and method, vehicle and storage medium |
| WO2021031886A1 (en) * | 2019-08-20 | 2021-02-25 | 长城汽车股份有限公司 | Automobile direct-current bus pre-charging method and device |
| CN112455231A (en) * | 2020-01-10 | 2021-03-09 | 长城汽车股份有限公司 | Pre-charging control system and method of electric automobile and high-voltage power-on control system |
| WO2021203735A1 (en) * | 2020-04-07 | 2021-10-14 | 华为技术有限公司 | Power converter, charger, and charging system and method |
| CN114312391A (en) * | 2020-09-30 | 2022-04-12 | 比亚迪股份有限公司 | Pre-charging control system and method and vehicle |
| WO2023226980A1 (en) * | 2022-05-23 | 2023-11-30 | 中国第一汽车股份有限公司 | Pre-charge control method and apparatus, and storage medium, processor and electronic apparatus |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20180821 |