CN213565454U - Range-extending electric automobile power system and range-extending electric automobile - Google Patents
Range-extending electric automobile power system and range-extending electric automobile Download PDFInfo
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- CN213565454U CN213565454U CN202022840049.1U CN202022840049U CN213565454U CN 213565454 U CN213565454 U CN 213565454U CN 202022840049 U CN202022840049 U CN 202022840049U CN 213565454 U CN213565454 U CN 213565454U
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- 238000007599 discharging Methods 0.000 claims description 22
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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
- Y02T10/62—Hybrid vehicles
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a range extending type electric automobile driving system and range extending type electric automobile relates to electric automobile technical field. Wherein, increase form electric automobile driving system includes: the system comprises a power battery, a total positive relay, a super capacitor voltage stabilizing module, a range extender, a total negative relay and a high-voltage load; after the extended range electric automobile is started, when the power battery does not break down, a high-voltage power supply is provided for a high-voltage load through the power battery; when the power battery has serious faults, the super capacitor in the super capacitor voltage stabilizing module is charged through the range extender, and then the range extender and the super capacitor jointly provide a stable high-voltage power supply for the high-voltage load. The utility model is suitable for a when power battery breaks down seriously, provide stable high voltage power supply's in-process for driving motor and other high-voltage load.
Description
Technical Field
The utility model relates to an electric automobile technical field especially relates to an increase form electric automobile driving system and increase form electric automobile.
Background
In recent years, with the continuous development of society, the living standard of people is continuously improved, the demand of people for automobiles is more and more, and electric automobiles powered by electric energy are produced due to the fact that the energy shortage and the environmental pollution problem caused by traditional automobiles are more and more serious. Although the pure electric vehicle has the characteristics of zero emission, zero pollution and the like, the energy density of the power battery cannot be effectively improved at the present stage, so that the endurance mileage of the pure electric vehicle cannot meet the requirements of people, and the appearance of the extended-range electric vehicle solves the problem to a certain extent.
At present, in the normal running process of the range-extended electric automobile, when a power battery has a serious fault and cannot normally provide a high-voltage power supply for a driving motor and other high-voltage loads, a range extender is usually used for providing the high-voltage power supply for the driving motor and other high-voltage loads. However, the direct use of the range extender to provide a high-voltage power supply for the driving motor and other high-voltage loads may cause the voltage fluctuation of the driving motor and other high-voltage loads to be large, thereby causing an overvoltage condition of the high-voltage circuit, and further causing the driving motor and other high-voltage loads to be damaged.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a range extending type electric automobile driving system and range extending type electric automobile, main aim at appear the serious trouble as power battery, can't normally provide high voltage power supply for driving motor and other high voltage loads when, provide stable high voltage power supply for driving motor and other high voltage loads through range extending ware and super capacitor voltage stabilizing module.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solution:
in a first aspect, the utility model provides an increase form electric automobile driving system, the system includes: the system comprises a power battery, a total positive relay, a super capacitor voltage stabilizing module, a range extender, a total negative relay and a high-voltage load;
the power battery, the super-capacitor voltage stabilizing module and the range extender are arranged at two ends of the high-voltage load in parallel, and the super-capacitor voltage stabilizing module is connected with the range extender in series;
the total positive relay is arranged between the output end of the power battery and the high-voltage load;
the total negative relay is arranged between the input end of the power battery and the high-voltage load;
the super capacitor voltage stabilizing module comprises: the system comprises a super capacitor positive relay, a super capacitor negative relay, a super capacitor pre-charging relay and a super capacitor pre-charging resistor;
the super capacitor positive relay, the super capacitor and the super capacitor negative relay are connected with the high-voltage load in series;
the super capacitor positive relay, the super capacitor and the super capacitor negative relay are also connected with the range extender in series;
the super capacitor pre-charging relay is connected with the super capacitor pre-charging resistor in series, and the super capacitor pre-charging relay and the super capacitor pre-charging resistor are connected with the super capacitor anode relay in parallel.
Optionally, the system further includes: a pre-charging relay and a pre-charging resistor;
the pre-charging relay is connected with the pre-charging resistor in series, and the pre-charging relay and the pre-charging resistor are connected with the main positive relay in parallel.
Optionally, the super capacitor voltage stabilizing module further includes: a super capacitor discharge relay and a super capacitor discharge resistor;
the super capacitor discharging relay is connected with the super capacitor discharging resistor in series, and the super capacitor discharging relay and the super capacitor discharging resistor are connected in series and in parallel with the super capacitor.
Optionally, the system further includes: a vehicle control unit;
the vehicle control unit is connected with the main positive relay, the main negative relay and the pre-charging relay;
when the extended range electric automobile is started, the vehicle control unit can control the pre-charging relay and the total negative relay to be closed so that the power battery pre-charges the high-voltage load through the pre-charging resistor, and after the pre-charging of the high-voltage load is finished, the total positive relay is controlled to be closed and the pre-charging relay is controlled to be disconnected so that the power battery provides a high-voltage power supply for the high-voltage load.
Optionally, the vehicle control unit is further connected to the power battery, the range extender, the super capacitor positive relay, the super capacitor negative relay and the super capacitor pre-charging relay;
the vehicle control unit can control the range extender to start when the power battery has a serious fault, and control the super capacitor pre-charging relay and the super capacitor negative electrode relay to be closed, so that the range extender pre-charges the super capacitor through the super capacitor pre-charging resistor, and after the super capacitor pre-charging is finished, control the super capacitor positive electrode relay to be closed, and control the super capacitor pre-charging relay to be opened, so that a high-voltage power supply is provided for the high-voltage load through the range extender and the super capacitor.
Optionally, the system further includes: a first alarm device;
the first alarm device is connected to the vehicle control unit;
the vehicle control unit can monitor the starting time corresponding to the range extender, control the high-voltage low-voltage of the range-extended electric vehicle and send an alarm instruction to the first alarm device when judging that the starting time corresponding to the range extender is longer than the preset starting time;
the first alarm device can send out an alarm after receiving the alarm instruction.
Optionally, the system further includes: a second alarm device;
the second alarm equipment is connected to the vehicle control unit;
the vehicle control unit is also connected to the super capacitor;
the vehicle control unit can monitor the pre-charging time corresponding to the super capacitor, control the high-voltage low-voltage of the extended-range electric vehicle and send an alarm instruction to the second alarm device when judging that the pre-charging time corresponding to the super capacitor is greater than the preset pre-charging time;
the second alarm device can send out an alarm after receiving the alarm instruction.
Optionally, the vehicle control unit is further connected to the super capacitor discharging relay;
the vehicle control unit can control the range extender to be turned off when the range-extended electric vehicle is turned off, and controls the super capacitor positive relay and the super capacitor negative relay to be turned off and the super capacitor discharging relay to be turned on, so that the super capacitor is actively discharged through the super capacitor discharging resistor.
Optionally, the high-voltage load specifically includes: any one of a driving motor, an air conditioner, a heater, or a dc converter.
In a second aspect, the utility model provides an increase form electric automobile still, the car includes: the extended range electric vehicle powertrain of the first aspect.
Borrow by above-mentioned technical scheme, the utility model provides a technical scheme has following advantage at least:
the utility model provides a range extending type electric automobile power system and range extending type electric automobile, the utility model adds a super capacitor voltage stabilizing module in the range extending type electric automobile power system, after the range extending type electric automobile is started, when the power battery is not in fault, the power battery provides a high voltage power supply for the high voltage load in the range extending type electric automobile; when a power battery has a serious fault, the super capacitor in the super capacitor voltage stabilizing module is charged through the range extender, and then the range extender and the super capacitor provide a stable high-voltage power supply for a high-voltage load in the range-extended electric automobile together, so that the technical effect that when the power battery has a serious fault and cannot normally provide a high-voltage power supply for the driving motor and other high-voltage loads, the range extender and the super capacitor voltage stabilizing module provide a stable high-voltage power supply for the driving motor and other high-voltage loads is achieved.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. The several embodiments of the present invention are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 shows a schematic structural diagram of an extended range electric vehicle power system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating another extended range electric vehicle power system according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of another extended range electric vehicle power system according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It should be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In a first aspect, an embodiment of the present invention provides an extended range electric vehicle power system, which is applied to an extended range electric vehicle, as shown in fig. 1, the system includes: the system comprises a power battery 1, a total positive relay 2, a super capacitor voltage stabilizing module 3, a range extender 4, a total negative relay 5 and a high-voltage load 6.
Specifically, the power battery 1, the super capacitor voltage stabilizing module 3 and the range extender 4 are arranged at two ends of the high-voltage load 6 in parallel, namely the power battery 1 is connected with the high-voltage load 6 in series, the super capacitor voltage stabilizing module 3 is connected with the high-voltage load 6 in series, the range extender 4 is connected with the high-voltage load 6 in series, and the super capacitor voltage stabilizing module 3 is connected with the range extender 4 in series; the total positive relay is arranged between the output end of the power battery 1 and the high-voltage load 6; the total negative relay 5 is arranged between the input end of the power battery 1 and the high-voltage load 6; the super capacitor voltage stabilizing module 3 includes: a super capacitor positive relay 31, a super capacitor 32, a super capacitor negative relay 33, a super capacitor pre-charging relay 34 and a super capacitor pre-charging resistor 35; the super capacitor positive relay 31, the super capacitor 32 and the super capacitor negative relay 33 are connected with the high-voltage load 6 in series; the super capacitor positive relay 31, the super capacitor 32 and the super capacitor negative relay 33 are also connected with the range extender 4 in series; the super capacitor pre-charging relay 34 is connected in series with the super capacitor pre-charging resistor 35, and the super capacitor pre-charging relay 34 and the super capacitor pre-charging resistor 35 are connected in parallel with the super capacitor anode relay 31.
In the embodiment of the present invention, when the extended range electric vehicle is started, the total positive relay 2 and the total negative relay 5 are controlled to be closed, so that the high voltage load 6 is provided with a high voltage power supply through the power battery 1; after the range-extended electric vehicle is started, when the power battery 1 has a serious fault, the range-extended device 4 is controlled to be started, and the super capacitor pre-charging relay 34 and the super capacitor negative electrode relay 33 are controlled to be closed, so that the range-extended device 4 pre-charges the super capacitor 32 through the super capacitor pre-charging resistor 35 to ensure that the voltage of the super capacitor 32 gradually rises, and the super capacitor 32 is prevented from being damaged; after the pre-charging of the super capacitor 32 is finished (namely, the voltage of the super capacitor 32 reaches the normal working voltage of the power battery 1), controlling the super capacitor positive relay 31 to be closed, and controlling the super capacitor pre-charging relay 34 to be opened, so that the super capacitor 32 is charged through the range extender 4, and then a stable high-voltage power supply is provided for the high-voltage load 6 through the range extender 4 and the super capacitor 32; the high-voltage load 6 may specifically be: any one of a driving motor, an air conditioner, a heater or a dc converter, wherein the heater is specifically a PTC heater.
The embodiment of the utility model provides a range extending type electric automobile power system, the embodiment of the utility model provides an add super capacitor voltage stabilizing module in range extending type electric automobile power system, after range extending type electric automobile starts, when power battery does not break down, provide high voltage power supply for the high voltage load in the range extending type electric automobile through power battery; when a power battery has a serious fault, the super capacitor in the super capacitor voltage stabilizing module is charged through the range extender, and then the range extender and the super capacitor provide a stable high-voltage power supply for a high-voltage load in the range-extended electric automobile together, so that the technical effect that when the power battery has a serious fault and cannot normally provide a high-voltage power supply for the driving motor and other high-voltage loads, the range extender and the super capacitor voltage stabilizing module provide a stable high-voltage power supply for the driving motor and other high-voltage loads is achieved.
Further, as shown in fig. 2, the power system of the extended range electric vehicle further includes: a pre-charging relay 7 and a pre-charging resistor 8.
Specifically, the pre-charge relay 7 is connected in series with the pre-charge resistor 8, and the pre-charge relay 7 and the pre-charge resistor 8 are connected in parallel with the main positive relay 2.
In the embodiment of the present invention, when the extended range electric vehicle is started, the pre-charging relay 7 and the total negative relay 5 can be controlled to be closed first, so that the power battery 1 pre-charges the high-voltage load 6 through the pre-charging resistor 8, so as to ensure that the voltage of the high-voltage load 6 gradually rises, thereby avoiding the high-voltage load 6 from being damaged; after the high-voltage load 6 is precharged, i.e. the voltage of the high-voltage load 6 reaches its normal operating voltage, the main positive relay 2 is controlled to be closed, and the precharge relay 7 is controlled to be opened, so that the high-voltage load 6 is supplied with the high-voltage power through the power battery 1.
Further, as shown in fig. 3, the super capacitor voltage stabilizing module 3 further includes: a super capacitor discharge relay 36 and a super capacitor discharge resistor 37.
Specifically, the super capacitor discharging relay 36 is connected in series with the super capacitor discharging resistor 37, and the super capacitor discharging relay 36 and the super capacitor discharging resistor 37 are connected in series and in parallel with the super capacitor 32.
The embodiment of the utility model provides an in, when increasing form electric automobile and putting out a fire, control super capacitor positive relay 31 and the disconnection of super capacitor negative pole relay 33 to control super capacitor discharge relay 36 is closed, so that discharge resistance 37 through super capacitor initiatively discharges super capacitor 32, and after super capacitor 32's voltage drops to predetermineeing safe voltage, control super capacitor discharge relay 36 breaks off.
Further, increase form electric automobile driving system still includes: and (5) a vehicle control unit.
Specifically, the vehicle control unit is connected to the main positive relay 2, the main negative relay 5 and the pre-charging relay 7.
In the embodiment of the present invention, when the extended range electric vehicle is started, the vehicle controller needs to control the pre-charging relay 7 and the total negative relay 5 to be closed, so that the power battery 1 pre-charges the high-voltage load 6 through the pre-charging resistor 8, so as to ensure that the voltage of the high-voltage load 6 gradually rises, thereby avoiding the high-voltage load 6 from being damaged; after the high-voltage load 6 is precharged (i.e. the voltage of the high-voltage load 6 reaches its normal operating voltage), the vehicle controller needs to control the main positive relay 2 to be closed and control the precharge relay 7 to be opened, so that the high-voltage power supply is provided for the high-voltage load 6 through the power battery 1.
Further, the vehicle control unit is also connected to the power battery 1, the range extender 4, the super capacitor positive relay 31, the super capacitor negative relay 33 and the super capacitor pre-charging relay 34.
In the embodiment of the present invention, after the range-extended electric vehicle is started, the vehicle control unit starts to monitor the working state of the power battery 1, and when it is determined that the power battery 1 has a serious fault, the vehicle control unit controls the range-extended device 4 to start, and controls the super capacitor pre-charging relay 34 and the super capacitor negative relay 33 to close, so that the range-extended device 4 pre-charges the super capacitor 32 through the super capacitor pre-charging resistor 35, so as to ensure that the voltage of the super capacitor 32 gradually rises, thereby avoiding the super capacitor 32 from being damaged; after the pre-charging of the super capacitor 32 is finished (that is, the voltage of the super capacitor 32 reaches the normal working voltage of the power battery 1), the vehicle controller needs to control the super capacitor positive relay 31 to be closed and control the super capacitor pre-charging relay 34 to be opened, so that the super capacitor 32 is charged through the range extender 4 first, and then a stable high-voltage power supply is provided for the high-voltage load 6 through the range extender 4 and the super capacitor 32.
Further, increase form electric automobile driving system still includes: a first alarm device.
Specifically, the first alarm device is connected to the vehicle control unit.
In the embodiment of the present invention, the vehicle control unit is further configured to monitor a start time duration when the range extender 4 is started, and control the high voltage reduction of the range-extended electric vehicle and send an alarm instruction to the first alarm device when it is determined that the start time duration corresponding to the range extender 4 is greater than a preset start time duration; first alarm equipment sends out the police dispatch newspaper after receiving the alarm command that vehicle control unit sent to indicate the increase form electric automobile driver to increase journey ware 4 and start overtime, please in time check and increase journey ware 4 and have a trouble, wherein, it can be but not limited to for the predetermined start duration: 1S, 3S, 5S, etc.
Further, increase form electric automobile driving system still includes: and a second alarm device.
Specifically, the second alarm device is connected to the vehicle control unit; the vehicle control unit is also connected to the super capacitor.
In the embodiment of the present invention, the vehicle control unit is further configured to monitor a pre-charging time period when the super capacitor is pre-charged, and control the high-voltage down-charging of the extended-range electric vehicle and send an alarm instruction to the second alarm device when it is determined that the pre-charging time period corresponding to the super capacitor is greater than the preset pre-charging time period; the second alarm device sends an alarm after receiving an alarm instruction sent by the vehicle control unit to prompt the driver of the extended range electric vehicle that the super capacitor is precharged overtime, and please check whether the super capacitor has a fault in time, wherein the preset precharging time can be but is not limited to: 1S, 3S, 5S, etc.
Further, the vehicle control unit is also connected to a super capacitor discharge relay 36.
In the embodiment of the present invention, when the extended range electric vehicle is turned off, the vehicle controller needs to control the extended range device 4 to be turned off, and control the super capacitor positive relay 31 and the super capacitor negative relay 33 to be turned off, and control the super capacitor discharging relay 36 to be turned on, so that the super capacitor 32 is actively discharged through the super capacitor discharging resistor 37; after the voltage of the super capacitor 32 drops to a preset safe voltage, the super capacitor discharging relay 36 is controlled to be switched off, and active discharging of the super capacitor 32 is completed, wherein the preset safe voltage can be, but is not limited to, 50V, 60V, 70V, and the like.
In a second aspect, an embodiment of the present invention provides an extended range electric vehicle, including: the extended range electric vehicle powertrain of the first aspect.
In the embodiment of the present invention, after the extended range electric vehicle is started, when the power battery in the power system of the extended range electric vehicle fails, the power battery provides a high voltage power supply for the high voltage load in the extended range electric vehicle; when a power battery has a serious fault, a super capacitor in a super capacitor voltage stabilizing module is charged through a range extender in a range extending type electric vehicle power system, and then a stable high-voltage power supply is provided for a high-voltage load in the range extending type electric vehicle through the range extender and the super capacitor, so that the technical effect that when the power battery has a serious fault and cannot normally provide a high-voltage power supply for a driving motor and other high-voltage loads, the stable high-voltage power supply is provided for the driving motor and other high-voltage loads through the range extender and the super capacitor voltage stabilizing module is achieved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An extended range electric vehicle power system, comprising: the system comprises a power battery, a total positive relay, a super capacitor voltage stabilizing module, a range extender, a total negative relay and a high-voltage load;
the power battery, the super-capacitor voltage stabilizing module and the range extender are arranged at two ends of the high-voltage load in parallel, and the super-capacitor voltage stabilizing module is connected with the range extender in series;
the total positive relay is arranged between the output end of the power battery and the high-voltage load;
the total negative relay is arranged between the input end of the power battery and the high-voltage load;
the super capacitor voltage stabilizing module comprises: the system comprises a super capacitor positive relay, a super capacitor negative relay, a super capacitor pre-charging relay and a super capacitor pre-charging resistor;
the super capacitor positive relay, the super capacitor and the super capacitor negative relay are connected with the high-voltage load in series;
the super capacitor positive relay, the super capacitor and the super capacitor negative relay are also connected with the range extender in series;
the super capacitor pre-charging relay is connected with the super capacitor pre-charging resistor in series, and the super capacitor pre-charging relay and the super capacitor pre-charging resistor are connected with the super capacitor anode relay in parallel.
2. The system of claim 1, further comprising: a pre-charging relay and a pre-charging resistor;
the pre-charging relay is connected with the pre-charging resistor in series, and the pre-charging relay and the pre-charging resistor are connected with the main positive relay in parallel.
3. The system of claim 2, wherein the super capacitor voltage regulation module further comprises: a super capacitor discharge relay and a super capacitor discharge resistor;
the super capacitor discharging relay is connected with the super capacitor discharging resistor in series, and the super capacitor discharging relay and the super capacitor discharging resistor are connected in series and in parallel with the super capacitor.
4. The system of claim 3, further comprising: a vehicle control unit;
the vehicle control unit is connected with the main positive relay, the main negative relay and the pre-charging relay;
when the extended range electric automobile is started, the vehicle control unit can control the pre-charging relay and the total negative relay to be closed so that the power battery pre-charges the high-voltage load through the pre-charging resistor, and after the pre-charging of the high-voltage load is finished, the total positive relay is controlled to be closed and the pre-charging relay is controlled to be disconnected so that the power battery provides a high-voltage power supply for the high-voltage load.
5. The system of claim 4,
the vehicle control unit is also connected with the power battery, the range extender, the super capacitor positive relay, the super capacitor negative relay and the super capacitor pre-charging relay;
the vehicle control unit can control the range extender to start when the power battery has a serious fault, and control the super capacitor pre-charging relay and the super capacitor negative electrode relay to be closed, so that the range extender pre-charges the super capacitor through the super capacitor pre-charging resistor, and after the super capacitor pre-charging is finished, control the super capacitor positive electrode relay to be closed, and control the super capacitor pre-charging relay to be opened, so that a high-voltage power supply is provided for the high-voltage load through the range extender and the super capacitor.
6. The system of claim 5, further comprising: a first alarm device;
the first alarm device is connected to the vehicle control unit;
the vehicle control unit can monitor the starting time corresponding to the range extender, control the high-voltage low-voltage of the range-extended electric vehicle and send an alarm instruction to the first alarm device when judging that the starting time corresponding to the range extender is longer than the preset starting time;
the first alarm device can send out an alarm after receiving the alarm instruction.
7. The system of claim 5, further comprising: a second alarm device;
the second alarm equipment is connected to the vehicle control unit;
the vehicle control unit is also connected to the super capacitor;
the vehicle control unit can monitor the pre-charging time corresponding to the super capacitor, control the high-voltage low-voltage of the extended-range electric vehicle and send an alarm instruction to the second alarm device when judging that the pre-charging time corresponding to the super capacitor is greater than the preset pre-charging time;
the second alarm device can send out an alarm after receiving the alarm instruction.
8. The system of claim 7,
the vehicle control unit is also connected with the super capacitor discharging relay;
the vehicle control unit can control the range extender to be turned off when the range-extended electric vehicle is turned off, and controls the super capacitor positive relay and the super capacitor negative relay to be turned off and the super capacitor discharging relay to be turned on, so that the super capacitor is actively discharged through the super capacitor discharging resistor.
9. The system of claim 1,
the high-voltage load is specifically as follows: any one of a driving motor, an air conditioner, a heater, or a dc converter.
10. An extended range electric vehicle, the vehicle comprising:
the extended range electric vehicle powertrain of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022840049.1U CN213565454U (en) | 2020-11-30 | 2020-11-30 | Range-extending electric automobile power system and range-extending electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022840049.1U CN213565454U (en) | 2020-11-30 | 2020-11-30 | Range-extending electric automobile power system and range-extending electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN213565454U true CN213565454U (en) | 2021-06-29 |
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|---|---|---|---|
| CN202022840049.1U Active CN213565454U (en) | 2020-11-30 | 2020-11-30 | Range-extending electric automobile power system and range-extending electric automobile |
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| Country | Link |
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| CN (1) | CN213565454U (en) |
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2020
- 2020-11-30 CN CN202022840049.1U patent/CN213565454U/en active Active
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