CN114248637B - Energy-saving environment-friendly extended-range heavy truck - Google Patents
Energy-saving environment-friendly extended-range heavy truck Download PDFInfo
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- CN114248637B CN114248637B CN202111637568.0A CN202111637568A CN114248637B CN 114248637 B CN114248637 B CN 114248637B CN 202111637568 A CN202111637568 A CN 202111637568A CN 114248637 B CN114248637 B CN 114248637B
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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
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an energy-saving and environment-friendly range-extending type heavy truck, and particularly relates to the technical field of range-extending type trucks. According to the invention, the intelligent control terminal is arranged, the driving motor is driven to run in a downhill sliding mode, the electric quantity generated by potential energy when the driving motor slides is stored, and the power battery is charged, so that the power supply of the power battery is realized, meanwhile, the requirement of the truck on fuel is reduced, the energy saving performance of the truck is improved, the energy requirement of the heavy truck is ensured, the timeliness of energy collection of the heavy truck in the running process is improved, and the condition of resource waste is avoided.
Description
Technical Field
The invention relates to the technical field of extended range trucks, in particular to an energy-saving and environment-friendly extended range heavy truck.
Background
Trucks, also known as trucks, generally referred to as vans, refer to vehicles that are primarily used to transport cargo, and sometimes also vehicles that may tow other vehicles, belonging to the category of commercial vehicles. Generally, they can be classified into heavy and light weight according to the weight of the vehicle. Most trucks use diesel engines as a source of power, but some pick-up trucks use gasoline, petroleum gas or natural gas.
However, in the use process of the traditional heavy truck, the fuel consumption of the internal combustion engine with single fuel consumption as the output power source is more, the environmental pollution is serious, the environmental pollution is less due to the electric vehicle type with single electric drive as the output power source, but the cruising ability of the heavy truck is seriously insufficient due to the capacity problem of the storage battery, and the electric quantity storage requirement of the existing heavy truck is strict due to the weight problem, and the electric quantity storage problem is difficult to automatically adjust according to the running state of the heavy truck at present, so that repeated manual switching is required, and the existing heavy truck is difficult to meet the requirements on vehicle environmental protection and energy regeneration.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an energy-saving and environment-friendly extended-range heavy truck, which aims to solve the technical problems that: in the use process of the traditional heavy truck, the fuel consumption of the internal combustion engine with single fuel consumption as the output power source is more, the environmental pollution is serious, the environmental pollution is less due to the electric vehicle type with single electric drive as the output power source, but the cruising ability of the heavy truck is seriously insufficient due to the capacity problem of the storage battery, the electric quantity storage requirement of the existing heavy truck is more strict due to the weight problem, and the electric quantity storage problem is difficult to automatically adjust according to the running state of the heavy truck at present, so that repeated manual switching is required, and the problem that the requirements on environment protection and energy regeneration of the vehicle are difficult to be met by the existing heavy truck is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an energy-concerving and environment-protective increase form heavy truck, includes the truck body, the lower surface of truck body is provided with motor controller, motor controller and generator electricity are connected, the generator is connected with the engine electricity, motor controller and power battery electricity are connected, motor controller and power battery all are connected with the drive motor controller electricity, motor controller and power battery all are connected with hydraulic steering controller electricity, hydraulic steering controller is connected with the drive motor controller electricity, hydraulic steering controller is connected with vehicle lift motor electricity, power battery is connected with the fault detection module electricity, the drive motor controller is connected with the drive motor electricity, the drive motor is connected with the gearbox electricity, the gearbox is connected with rear axle drive electricity, engine, generator and power battery all are connected with intelligent control terminal electricity.
As a further aspect of the invention: the intelligent control terminal starts the generator when the vehicle climbs a slope or other conditions requiring high torque of the driving motor, the generator charges the power battery timely along with large-scale power supply to the driving motor by the power battery, when the electric quantity is lower than 50%, the generator and the engine synchronously run, the generator is driven by the engine to run, and meanwhile, the transmitted energy is converted and stored, so that the electric quantity of the driving motor is supplied, the power generation is stopped after the electric quantity reaches the upper limit of the SOC, the driving motor is driven by the power battery, and when the electric quantity is higher than 50%, the driving motor is driven by the stored electric power in the power battery.
When the truck is in low torque demand and the electric quantity is not full, the driving motor is in an operating state, the driving motor synchronously operates with the generator, and the electric quantity generated by the operation of the generator is directly fed back into the power battery.
When the vehicle is in a downhill sliding state, the electric quantity stored in the power battery is detected, and when the stored electric quantity is lower than 80%, the driving motor is driven to operate in a downhill sliding mode, the electric quantity generated by potential energy when the driving motor slides is stored, and the power battery is charged.
Judging whether the vehicle has an energy storage effect according to the actual running condition of the vehicle, and converting and storing electric quantity while ensuring the running stability of the vehicle, wherein the intelligent control terminal obtains whether the vehicle has conversion qualification through the following calculation modes, and specifically comprises the following calculation modes:
The intelligent control terminal judges whether the current situation runs the switching mode according to the numerical value of the CO after the calculation is finished.
When the value of CO is 2000-2400, the current vehicle is in a state of low torque demand, the running mode can be switched at any time by observing the residual electric quantity in the power battery, and if the automatic switching mode is adopted, the automatic switching mode can adjust the engine and the driving motor according to the residual electric quantity, if the residual electric quantity of the power battery is lower than 50%, the engine is started, when the value of CO is 1600-2000, the current vehicle is in a state of high torque demand, the driving motor driving mode is required to be kept, and meanwhile, if the automatic switching mode is adopted, the driving motor driving is synchronously kept.
As a further aspect of the invention: the fault detection module is a module for detecting the driving motor, the gearbox and the built-in MCU of the vehicle, and is used for distinguishing fault levels from high to low according to the fault size, and sequentially and respectively comprises the following steps: 3. 2 and 1.
As a further aspect of the invention: when the driving motor fails, judging whether the power battery fails, if the current BMS fails at the level of 2, the system fails at the level of 3, the instrument displays early warning information, and the power limit of the motor is 40%.
When the BMS fault level is 3, the system fault is 1, the instrument displays early warning information, the power limit of the driving motor is 0, if the vehicle speed is smaller than 5KM/h at the moment, the power battery is communicated with the power battery normally, the current of the power battery is smaller than 10A at the moment, the power battery is at a high voltage, if the power battery is communicated abnormally, and under the condition that the driving motor is communicated normally, when the torque of the driving motor is smaller than plus or minus 5nm, the power battery is at a high voltage at the moment.
The downhill energy recovery SOC is high, the SOC exceeds 90% of the starting alarm limit feedback current, the 95% limit feedback current is 50%, and the 97% limit feedback current is 0.
When the gearbox is in fault, if the fault level of the gearbox is more than or equal to 2 and the fault level of the system is 3, the instrument displays early warning information, can not creep and can not be shifted up.
The fault detection module is used for detecting whether the whole vehicle has electric leakage or the power conversion has error leakage.
When the fault level of the gearbox is greater than or equal to 1 and the fault level of the system is 2, alarm information is sent to the instrument, the torque of the driving motor becomes 0, and at the moment, upshift is forbidden.
The invention has the beneficial effects that:
According to the invention, by arranging the intelligent control terminal, when the vehicle is in a downhill sliding state, the electric quantity stored in the power battery is detected, when the stored electric quantity is lower than 80%, the driving motor is driven to operate in a downhill sliding mode, the electric quantity generated by potential energy in the sliding process of the driving motor is stored, the power battery is charged, the electric quantity generated by the driving motor is stored, and the power battery is charged, so that the heavy truck can perform kinetic energy recovery in gentle and downhill road sections through the operation of the driving motor, the power supply to the power battery is realized, the energy saving and environment protection effects of the truck are improved, meanwhile, the fuel oil demand of the truck is reduced, the energy saving performance of the truck is improved, the energy source demand of the heavy truck is ensured, the energy collecting timeliness of the heavy truck in the running process is improved, and the condition of resource waste is avoided.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of the operating mode of the heavy truck according to the present invention;
In the figure: the intelligent control system comprises a truck body 1, a motor controller 2, a generator 3, an engine 4, a power battery 5, an air pump 6, an air conditioner 7, a fault detection module 8, a driving motor controller 9, a driving motor 10, a gear box 11, a rear axle 12, a hydraulic steering controller 13, a vehicle lifting motor 14 and an intelligent control terminal 15.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, the invention provides an energy-saving and environment-friendly range-increasing heavy truck, which comprises a truck body 1, wherein a motor controller 2 is arranged on the lower surface of the truck body 1, the motor controller 2 is electrically connected with a generator 3, the generator 3 is electrically connected with an engine 4, the motor controller 2 is electrically connected with a power battery 5, the motor controller 2 and the power battery 5 are electrically connected with a driving motor controller 9, the motor controller 2 and the power battery 5 are electrically connected with a hydraulic steering controller 13, the hydraulic steering controller 13 is electrically connected with the driving motor controller 9, the hydraulic steering controller 13 is electrically connected with a vehicle lifting motor 14, the power battery 5 is electrically connected with a fault detection module 8, the driving motor controller 9 is electrically connected with a driving motor 10, the driving motor 10 is electrically connected with a gearbox 11, the gearbox 11 is electrically connected with a rear axle drive 12, and the engine 4, the generator 3 and the power battery 5 are electrically connected with an intelligent control terminal 15.
The intelligent control terminal 15 starts the generator 3 when the vehicle climbs a slope or other conditions requiring high torque of the driving motor 10, along with the large-scale power supply of the power battery 5 to the driving motor 10, the generator 3 charges the power battery 5 timely, when the power battery 5 is in a flat slope or low torque requirement, the stored electric quantity of the power battery 5 is detected, when the electric quantity is lower than 50%, the generator 3 and the engine 4 synchronously run, the generator 3 is driven by the engine 4 to run, and meanwhile, the transmitted energy is converted and stored, so that the electric quantity of the driving motor 10 is supplied, the power generation is stopped after the electric quantity reaches the upper limit of the SOC, the driving motor 10 is driven by the power battery 5, and when the electric quantity is higher than 50%, the driving motor 10 is driven by directly storing electric power in the power battery 5.
When the truck is in low torque demand and the electric quantity is not full, the driving motor 10 is in an operating state, the driving motor 10 synchronously operates with the generator 3, and the electric quantity generated by the operation of the generator 3 is directly fed back into the power battery 5.
When the vehicle is in a downhill sliding state, the electric quantity stored in the power battery 5 is detected, and when the stored electric quantity is lower than 80%, the driving motor 10 is driven to run in a downhill sliding mode, the electric quantity generated by potential energy when the driving motor 10 slides is stored, and the power battery 5 is charged.
Judging whether the vehicle has an energy storage effect according to the actual running condition of the vehicle, and converting and storing the electric quantity while ensuring the running stability of the vehicle, the intelligent control terminal 15 obtains whether the vehicle has conversion qualification through the following calculation modes, and specifically comprises the following calculation modes:
Wherein, CO is torque of the current driving motor 10, FN is torque generated by the driving motor 10 in unit time, SN is a specific calculation value of the position generated in unit time, TIM is a specific calculation value in unit time, and after calculation, the intelligent control terminal 15 determines whether the current situation operates the switching mode according to the value of CO.
When the value of CO is 2000-2400, the current vehicle is in a state of low torque demand, the driving mode can be switched at any time by observing the residual electric quantity in the power battery 5, and if the automatic switching mode is adopted, the automatic switching mode can adjust the engine 4 and the driving motor 10 according to the residual electric quantity, if the residual electric quantity of the power battery 5 is lower than 50%, the engine 4 is started, when the value of CO is 1600-2000, the current vehicle is in a state of high torque demand, the driving mode of the driving motor 10 is required to be kept, and meanwhile, if the automatic switching mode is adopted, the driving of the driving motor 10 is synchronously kept.
The fault detection module 8 is a module for detecting the driving motor 10, the gearbox 11 and the vehicle built-in MCU, and distinguishes fault levels from high to low according to the fault size, and sequentially classifies the fault levels as follows: 3. 2 and 1.
When the driving motor 10 fails, whether the power battery 5 fails or not is judged, if the current BMS failure level is 2, the system failure is 3, the instrument displays early warning information, and the power limit of the motor is 40%.
When the BMS fault level is 3, the system fault is 1, the instrument displays early warning information, the power limit of the driving motor 10 is 0, if the vehicle speed is smaller than 5KM/h at the moment, the current of the power battery 5 is smaller than 10A under the condition that the power battery 5 is communicated normally, the voltage is increased at the moment, and if the power battery 5 is abnormal in communication and the driving motor 10 is communicated normally, when the torque of the driving motor 10 is smaller than plus or minus 5nm, the voltage is increased at the moment.
The downhill energy recovery SOC is high, the SOC exceeds 90% of the starting alarm limit feedback current, the 95% limit feedback current is 50%, and the 97% limit feedback current is 0.
When the gear box 11 is in fault, if the system fault level is 3 when the gear box 11 fault level is more than or equal to 2, the instrument displays early warning information, can not creep, and can not be shifted up.
When the failure level of the transmission 11 is 1 or more and the system failure level is 2, an alarm message is sent to the meter, and the torque of the drive motor 10 becomes 0, at which time upshift is prohibited.
The fault detection module 8 is used for detecting whether the whole vehicle has electric leakage or the power conversion has error leakage
Through setting up intelligent control terminal 15, when the vehicle is in downhill sliding state, because the vehicle is not allowed to hang the neutral gear and slide when prescribing at present downhill, can adopt the mode of switching driving motor 10 to reduce the inside wearing and tearing of engine 4, and drive driving motor 10 operation through downhill sliding's mode, and store the electric quantity that driving motor 10 operation produced, charge power battery 5, make this heavy truck can be at mild and downhill road section through driving motor 10 to drive generator 3 operation, thereby realize the power supply to power battery 10, thereby the effect of this truck energy-concerving and environment-protective has been improved, simultaneously, the demand to the fuel of this truck has been reduced, the energy-conserving performance of this truck has been improved, and when having ensured the heavy truck to the energy demand, the time of this heavy truck to the energy collection has been improved in the course of traveling, the condition of avoiding appearing the wasting of resources.
Through setting up power battery 5 and motor controller 2 for this truck can switch at electric drive power supply and generator 3 power supply, avoids long-time through driving motor 10 drive and leads to driving motor 10's loss's improvement, has reduced this truck to the requirement of energy, has improved this truck's in-service use effect.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. Energy-concerving and environment-protective extension formula heavy truck, including truck body (1), its characterized in that: the truck comprises a truck body (1), wherein a motor controller (2) is arranged on the lower surface of the truck body (1), the motor controller (2) is electrically connected with a generator (3), the generator (3) is electrically connected with an engine (4), the motor controller (2) is electrically connected with a power battery (5), the motor controller (2) and the power battery (5) are electrically connected with a driving motor controller (9), the motor controller (2) and the power battery (5) are electrically connected with a hydraulic steering controller (13), the hydraulic steering controller (13) is electrically connected with the driving motor controller (9), the hydraulic steering controller (13) is electrically connected with a vehicle lifting motor (14), the power battery (5) is electrically connected with a fault detection module (8), the driving motor controller (9) is electrically connected with a driving motor (10), the driving motor (10) is electrically connected with a gearbox (11), the gearbox (11) is electrically connected with a rear axle driving (12), and the engine (4), the generator (3) and the power battery (5) are electrically connected with an intelligent terminal (15);
The intelligent control terminal (15) starts the generator (3) when the vehicle climbs a slope or other conditions requiring high torque of the driving motor (10), the driving motor (10) is powered on a large scale along with the power battery (5), the generator (3) charges the power battery (5) timely, when the power battery is in a flat slope or low torque condition, the stored electric quantity of the power battery (5) is detected, when the electric quantity is lower than 50%, the generator (3) and the engine (4) synchronously run, the generator (3) is driven by the engine (4) to run, meanwhile, the transmitted energy is converted and stored, so that the electric quantity of the driving motor (10) is supplied, the power generation is stopped after the electric quantity reaches the upper limit of the SOC, the driving motor (10) is driven by the power battery (5), and when the electric quantity is higher than 50%, the electric quantity is directly stored in the power battery (5) to drive the driving motor (10);
When the truck is in low torque demand and the electric quantity is not full, the driving motor (10) is in an operating state, the driving motor (10) synchronously operates with the generator (3), and the electric quantity generated by the operation of the generator (3) is directly fed back into the power battery (5);
When the vehicle is in a downhill sliding state, detecting the electric quantity stored in the power battery (5), and when the stored electric quantity is lower than 80%, driving the driving motor (10) to run in a downhill sliding mode, storing the electric quantity generated by the potential energy of the driving motor (10) in sliding, and charging the power battery (5);
Judging whether the vehicle has an energy storage effect according to the actual running condition of the vehicle, and converting and storing electric quantity while ensuring the running stability of the vehicle, wherein the intelligent control terminal (15) obtains whether the vehicle has conversion qualification through the following calculation modes, and specifically comprises the following calculation modes:
Wherein, CO is torque of the current driving motor (10), FN is torque generated by the driving motor (10) in unit time, SN is a specific calculation value of the position generated in unit time, TIM is a specific calculation value of unit time, and after calculation, the intelligent control terminal (15) judges whether the current situation operates in a switching mode according to the value of CO;
When the value of CO is 2000-2400, the current vehicle is in a state of low torque demand, the driving mode can be switched at any time by observing the residual electric quantity in the power battery (5), and if the automatic switching mode is adopted, the automatic switching mode can adjust the engine (4) and the driving motor (10) according to the residual electric quantity, if the residual electric quantity of the power battery (5) is lower than 50%, the engine (4) is started, when the value of CO is 1600-2000, the current vehicle is in a state of high torque demand, the driving mode of the driving motor (10) is required to be kept, and meanwhile, the driving motor (10) is synchronously kept to be driven if the automatic switching mode is adopted.
2. The energy-saving and environment-friendly extended range heavy truck as claimed in claim 1, wherein: the fault detection module (8) is a module for detecting the driving motor (10), the gearbox (11) and the built-in MCU of the vehicle, and is used for distinguishing fault levels from high to low according to the fault size, and sequentially arranging the fault levels into the following steps: 3. 2 and 1.
3. An energy-saving and environment-friendly extended range heavy truck as claimed in claim 2, wherein: when the driving motor (10) fails, judging whether the power battery (5) fails, if the current BMS failure level is 2, the system fails to be 3, the instrument displays early warning information, and the power limit of the driving motor (10) is 40%;
when the BMS fault level is 3, the system fault is 1, the instrument displays early warning information, the power limit of the driving motor (10) is 0, if the vehicle speed is smaller than 5KM/h at the moment, the current of the power battery (5) is smaller than 10A under the condition that the power battery (5) is normal in communication, the high voltage is applied at the moment, and if the power battery (5) is abnormal in communication and the driving motor (10) is normal in communication, when the torque of the driving motor (10) is smaller than plus or minus 5nm, the high voltage is applied at the moment;
The downhill energy recovery SOC is high, the SOC exceeds 90% of the starting alarm limit feedback current, the 95% limit feedback current is 50%, and the 97% limit feedback current is 0;
when the gearbox (11) fails; if the fault level of the gearbox (11) is more than or equal to 2 and the fault level of the system is 3, the instrument displays early warning information, cannot creep and cannot upshift;
When the fault level of the gearbox (11) is greater than or equal to 1 and the system fault level is 2, sending alarm information to the instrument, and enabling the torque of the driving motor (10) to become 0, wherein upshifting is forbidden;
the fault detection module (8) is used for detecting whether the whole vehicle has electric leakage or the power conversion has error leakage.
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| CN202111637568.0A CN114248637B (en) | 2021-12-29 | 2021-12-29 | Energy-saving environment-friendly extended-range heavy truck |
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| CN112319246A (en) * | 2020-11-10 | 2021-02-05 | 王文君 | Range-extending type whole vehicle fuel-saving optimization method |
| CN112650078A (en) * | 2020-12-14 | 2021-04-13 | 广西玉柴机器股份有限公司 | Hardware-in-loop simulation system for pure electric vehicle and extended range type electric vehicle controller |
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