CN115071435B - Energy storage control system and control method for pure electric vehicle - Google Patents
Energy storage control system and control method for pure electric vehicle Download PDFInfo
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- CN115071435B CN115071435B CN202210330115.1A CN202210330115A CN115071435B CN 115071435 B CN115071435 B CN 115071435B CN 202210330115 A CN202210330115 A CN 202210330115A CN 115071435 B CN115071435 B CN 115071435B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010248 power generation Methods 0.000 claims abstract description 46
- 238000011084 recovery Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000005611 electricity Effects 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 4
- 230000000979 retarding effect Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000000295 fuel oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B60L8/00—Electric propulsion with power supply from forces of nature, e.g. sun or wind
- B60L8/006—Converting flow of air into electric energy, e.g. by using wind turbines
-
- 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
-
- 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
- B60L8/00—Electric propulsion with power supply from forces of nature, e.g. sun or wind
- B60L8/003—Converting light into electric energy, e.g. by using photo-voltaic systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
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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
- B60L2200/00—Type of vehicles
- B60L2200/18—Buses
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the technical field of electric vehicle energy storage, and provides an energy storage control system and a control method for a pure electric vehicle, wherein the energy storage control system comprises the following steps: the wind power generation device comprises a control unit, a wind power generation assembly and a braking or decelerating energy recovery assembly, wherein the wind power generation assembly and the braking or decelerating energy recovery assembly are connected with the control unit, one end of a power battery pack is connected with the control unit through a battery management unit, the other end of the power battery pack is connected with the wind power generation assembly, and the braking or decelerating energy recovery assembly is connected with the wind power generation assembly through a transmission assembly. The invention has the advantages that various power generation and energy storage modes are arranged on the vehicle, so that the vehicle can charge and store energy and supplement energy to the power battery pack in other modes, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of electric vehicle energy storage, in particular to an energy storage control system and a control method of a pure electric vehicle.
Background
The pure electric bus is characterized in that a vehicle-mounted power battery pack, a controller, a switch, a cable and other power supply systems are used for providing electric energy to drive the bus to run. Wind energy and solar energy are increasingly paid attention to as clean renewable energy sources, and at present, large-sized generator sets are used in the aspect of wind energy utilization, and applications of wind power generation in the aspect of vehicles are not utilized. The kinetic energy sources of the existing vehicles mainly come from fuel oil and electric power, the pollution of the existing fuel oil vehicles to the atmosphere is serious, and the fuel oil resources are used less; the cruising ability of the electric vehicle is not ideal due to the limited storage capacity of the storage battery. If wind energy, solar energy, etc. are utilized in the system of the vehicle, positive and significant effects will be produced.
In addition, the rotational speed of the left and right driving shafts of the vehicle is differentially changed during turning, braking or decelerating, and the rotational speed of the outer driving shaft is higher than the rotational speed of the inner driving shaft, so that the energy of the vehicle is lost, and in the current electric vehicle, a system for recovering the energy is not provided.
Disclosure of Invention
The invention aims to provide an energy storage control system and a control method for a pure electric vehicle, which are used for solving the problems.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an electric vehicle energy storage control system comprising: the wind power generation device comprises a control unit, a wind power generation assembly and a braking or decelerating energy recovery assembly, wherein the wind power generation assembly and the braking or decelerating energy recovery assembly are connected with the control unit, one end of a power battery pack is connected with the control unit through a battery management unit, the other end of the power battery pack is connected with the wind power generation assembly, and the braking or decelerating energy recovery assembly is connected with the wind power generation assembly through a transmission assembly.
Further, the wind power generation assembly comprises a first generator arranged at the top of the vehicle, the first generator is connected with the power battery pack, a first rotating shaft is arranged on the first generator, and a fan blade and an overrunning clutch are arranged on the first rotating shaft.
Further, the transmission assembly comprises a second rotating shaft and a third rotating shaft which are arranged at the top of the vehicle, one end of the third rotating shaft is provided with a shaft sleeve, an overrunning clutch is arranged in the shaft sleeve, and one end of the second rotating shaft is inserted into the overrunning clutch.
Further, a second generator is arranged at the top of the vehicle body, one end of the third rotating shaft is connected with the second generator, a driven wheel is arranged on the third rotating shaft, and the driven wheel is connected with a driving wheel arranged on the first rotating shaft through a first synchronous belt.
Further, the braking or retarding energy recovery assembly includes: the driven component is connected with the driving shaft, the transmission component is connected with the driven component through an electromagnetic clutch, and the electromagnetic clutch is connected with the control unit; the driven assembly comprises a driven shaft in meshed connection with the driving shaft, and the other end of the driven shaft is connected with the electromagnetic clutch.
Further, the braking or decelerating energy recovery assembly further comprises a speed sensor connected to the control unit for detecting the rotational speed of the driven assembly.
Further, a solar power generation assembly connected with the power battery pack and the control unit is arranged at the top of the vehicle.
The invention also provides an energy storage control method of the pure electric vehicle, which comprises the following steps:
when the vehicle runs, the fan blades arranged in the wind power generation assembly are rotated by wind resistance, and the fan blades drive the first generator to rotate to store energy for the power battery pack;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or decelerating energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is larger than a preset threshold value, the control unit controls the solar power generation assembly to store energy to the power battery pack.
Further, when the vehicle brakes, decelerates or turns, the step of controlling the braking or decelerating energy recovery assembly to store energy in the power battery pack by the control unit includes:
when the vehicle brakes and decelerates or the accelerator is released and runs, the fan blades arranged in the wind power generation assembly rotate due to wind resistance; meanwhile, the vehicle deceleration inertia force is combined by the electromagnetic clutch and the overrunning clutch, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy to the power battery pack;
when the vehicle turns, the control unit sends a corresponding signal through the speed sensor to enable the electromagnetic clutch at the higher speed side to be closed, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy for the power battery pack.
Compared with the prior art, the invention at least comprises the following beneficial effects:
(1) Through the use of the wind power and mechanical energy power generation assembly, the vehicle can collect wind energy and vehicle deceleration inertial mechanical energy at any time in the braking deceleration and turning running process, and convert the wind energy and the mechanical energy into electric energy to be stored in the power battery pack;
(2) In the running process of the vehicle in deceleration, braking or turning, the electromagnetic clutch is controlled to be opened and closed through the linkage control unit, so that the transmission assembly, the driven assembly and the electromagnetic clutch are used in linkage, when the vehicle turns, brakes or decelerates, the left overrun clutch and the right overrun clutch act, the power of the outer driving wheel is automatically selected, and the vehicle can be stored in energy no matter the vehicle turns left or right, so that the inertial kinetic energy of the vehicle can be fully recovered.
(3) By providing a plurality of power generation and energy storage modes on the vehicle, such as: the solar panel on the outer side of the vehicle body enables the vehicle to charge and store energy and supplement energy to the power battery pack in other modes, so that energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of an energy storage control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a wind power generation assembly in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
FIG. 4 is a schematic illustration of the configuration of the transmission assembly and braking or retarding energy recovery assembly in an embodiment of the present invention.
In the figure, 100, a vehicle, 110, a driving shaft, 120, an electromagnetic clutch, 130, a second generator, 140, a speed sensor, 200, a wind power generation assembly, 210, a first generator, 220, a first rotating shaft, 230, a fan blade, 300, a driven assembly, 310, a driven shaft, 400, a transmission assembly, 410, a fourth rotating shaft, 411, a first belt pulley, 420, a second rotating shaft, 421, a second belt pulley, 430, a third rotating shaft, 431, a shaft sleeve, 432, a driven wheel, 432a, a first synchronous belt, 440, an overrunning clutch, 450, a second synchronous belt, 500 and a solar power generation assembly.
Detailed Description
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, the energy storage control system of the pure electric vehicle of the present invention includes: the device comprises a control unit, a wind power generation assembly, a braking or decelerating energy recovery assembly and a solar power generation assembly, wherein the wind power generation assembly, the braking or decelerating energy recovery assembly and the solar power generation assembly are connected with the control unit, one end of a power battery pack is connected with the control unit through a battery management unit, the other end of the power battery pack is connected with the wind power generation assembly and the solar power generation assembly, and the braking or decelerating energy recovery assembly is connected with the wind power generation assembly through a transmission assembly.
As shown in fig. 2 to 4, the wind power generation assembly comprises a first generator arranged at the top of the vehicle, the first generator is connected with the power battery pack, a first rotating shaft is arranged on the first generator, and a fan blade and an overrunning clutch are arranged on the first rotating shaft.
The solar power generation assembly 500 is arranged on the roof, and can be controlled by the control unit to store energy to the power battery pack under the condition of sufficient illumination intensity, so that the vehicle can effectively utilize solar energy to store energy for the vehicle.
Secondly, a wind power generation assembly 200 is also arranged on the top of the vehicle, the wind resistance effect on the normal running of the vehicle causes the fan blade 230 to rotate, and the fan blade 230 drives the first rotating shaft 220 to rotate when rotating, so that the first generator 210 generates electricity and stores energy for the power battery pack, and the vehicle can fully utilize the electric energy converted from wind energy to drive the vehicle to run.
The battery management unit can feed back the energy state of the power battery pack to the control unit in real time, and when the electric quantity is small, the control unit can send a reminding signal to the control unit, and the control unit can select a proper power generation mode to store energy according to the current state of the vehicle.
The transmission assembly 400 comprises a second rotating shaft 420, a third rotating shaft 430 and a fourth rotating shaft 410, wherein the second rotating shaft 420 and the third rotating shaft 430 are arranged at the top of a vehicle, the fourth rotating shaft 410 is arranged in the bottom of the vehicle, one end of the third rotating shaft 430 is provided with a shaft sleeve 431, an overrunning clutch 440 is arranged in the shaft sleeve 431, and one end of the second rotating shaft 420 is inserted into the overrunning clutch 440.
The top of the vehicle body is provided with a second generator 130, one end of a third rotating shaft 430 is connected with the second generator 130, a driven wheel 432 is arranged on the third rotating shaft 430, and the driven wheel 432 is connected with a driving wheel arranged on the first rotating shaft 220 through a first synchronous belt 432 a.
The overrunning clutch 440 comprises an inner ring (not shown) and an outer ring (not shown), and in operation, when the rotation speed of the inner ring is greater than that of the outer ring, the inner ring drives the outer ring to rotate synchronously, and when the rotation speed of the inner ring is less than that of the outer ring, the outer ring and the inner ring rotate respectively and do not influence each other.
Therefore, when the rotation speed of the second rotation shaft 420 is greater than the rotation speed of the third rotation shaft 430, the third rotation shaft 430 will also reach the rotation speed of the second rotation shaft 420, and the driven wheel 432 on the second rotation shaft 420 is connected with the driving wheel through the first synchronous belt 432a, so that the first rotation shaft 220 can reach the rotation speed of the second rotation shaft 420, and thus, both the first generator 210 and the second generator 130 will generate electric energy; when the rotation speed of the second rotation shaft 420 is smaller than that of the third rotation shaft 430, the rotation speeds of the third rotation shaft 430 and the second rotation shaft 420 are respectively kept at the own rotation speeds, so that the first generator 210 and the second generator 130 can obtain the highest rotation speeds to achieve the maximum power generation capability.
The braking or decelerating energy recovery assembly includes a driven assembly 300 connected to the driving shaft 110, and the transmission assembly 400 is connected to the driven assembly 300 through an electromagnetic clutch 120, and the electromagnetic clutch 120 is connected to the control unit. The driven assembly 300 includes a driven shaft 310 engaged with the driving shaft, and the other end of the driven shaft 310 is connected to the electromagnetic clutch 120.
The fourth rotating shaft 410 is provided with a first belt wheel 411, the second rotating shaft 420 is provided with a second belt wheel 421, the first belt wheel 411 is connected with the second belt wheel 421 through a second synchronous belt 450, one end of the fourth rotating shaft 410 is connected with the electromagnetic clutch 120, when the vehicle brakes, the control system controls the electromagnetic clutch 120 to be closed, so that the corresponding fourth rotating shaft 410 and the corresponding driven shaft 310 synchronously rotate, the rotating speed on the driving shaft 110 can be sequentially transmitted to the driven shaft 310, the electromagnetic clutch 120, the first belt wheel 411, the second synchronous belt 450, the second belt wheel 421 and the second rotating shaft 420, and thereafter, the overrunning clutch 440 can compare the rotating speed on the second rotating shaft 420 with the rotating speed on the third rotating shaft 430, select the highest rotating speed and feed back to the first generator 210 and the second generator 130, and accordingly the first generator 210 and the second generator 130 can generate electricity and store the generated electricity into the power battery pack simultaneously.
Further, the braking or decelerating energy recovery assembly further comprises a speed sensor 140 connected to the control unit, the speed sensor 140 being adapted to detect the rotational speed of the driven assembly.
When the vehicle is driving, the speed sensor 140 detects the rotation speed of the corresponding driven component 300 at any time, that is, the speed sensor 140 detects the rotation speed of the corresponding driving shaft 110 at any time, and when the vehicle is turning, the rotation speed of one driving shaft 110 is greater than the rotation speed of the other driving shaft 110, at this time, two different sets of data are generated by the two speed sensors 140 and transmitted to the control unit of the vehicle, after the control unit receives the data, the two sets of data are compared, when the comparison value is within the preset value range of the control unit, the control unit controls the electromagnetic clutch 120 connected with the driven component 300 with the relatively high rotation speed to be closed, that is, the driven component 300 is communicated with the transmission component 400, so that the relatively high rotation speed driving shaft 110 sequentially transmits the rotation speed to the driven component 300 and the transmission component 400, the rotation speed is fed back to the overrunning clutch 440 through the transmission component, the rotation speed on the second rotation shaft 420 is compared with the rotation speed on the third rotation shaft 430, the highest rotation speed is selected, and fed back to the first generator 210 and the second generator 130, thereby the first generator 210 and the second generator 130 can realize high power recovery when the first generator and the second generator and the first generator and the second generator set and the vehicle can realize high power recovery.
The electromagnetic clutch 120 is controlled to be opened and closed by the control unit, so that the transmission assembly 400, the driven assembly 300 and the electromagnetic clutch 120 are used in a linkage way, and the vehicle can be stored energy when the vehicle turns, brakes or decelerates, so that the energy of the vehicle can be fully recovered.
The invention also provides an energy storage control method of the pure electric vehicle, which comprises the following steps:
when the vehicle runs, the fan blades arranged in the wind power generation assembly are rotated by wind resistance, and the fan blades drive the first generator to rotate to store energy for the power battery pack;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or decelerating energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is larger than a preset threshold value, the control unit controls the solar power generation assembly to store energy to the power battery pack.
Further, when the vehicle brakes, decelerates or turns, the step of controlling the braking or decelerating energy recovery assembly to store energy in the power battery pack by the control unit includes:
when the vehicle brakes and decelerates or the accelerator is released and runs, the fan blades arranged in the wind power generation assembly rotate due to wind resistance; meanwhile, the vehicle deceleration inertia force is combined by the electromagnetic clutch and the overrunning clutch, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy to the power battery pack;
when the vehicle turns, the control unit sends a corresponding signal through the speed sensor to enable the electromagnetic clutch at the higher speed side to be closed, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy for the power battery pack.
The invention is provided with various vehicle energy storage modes, so that the vehicle can recover the energy lost in the running process of the vehicle while being charged normally, and the energy consumption is reduced.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. An electric vehicle energy storage control system, comprising:
the device comprises a control unit, a wind power generation assembly and a braking or decelerating energy recovery assembly, wherein the wind power generation assembly and the braking or decelerating energy recovery assembly are connected with the control unit, one end of a power battery pack is connected with the control unit through a battery management unit, the other end of the power battery pack is connected with the wind power generation assembly, and the braking or decelerating energy recovery assembly is connected with the wind power generation assembly through a transmission assembly;
the wind power generation assembly comprises a first generator arranged at the top of the vehicle, the first generator is connected with the power battery pack, a first rotating shaft is arranged on the first generator, and fan blades are arranged on the first rotating shaft;
the transmission assembly comprises a second rotating shaft and a third rotating shaft which are arranged at the top of the vehicle, one end of the third rotating shaft is provided with a shaft sleeve, an overrunning clutch is arranged in the shaft sleeve, and one end of the second rotating shaft is inserted into the overrunning clutch;
the top of the vehicle is provided with a second generator, one end of the third rotating shaft is connected with the second generator, the third rotating shaft is provided with a driven wheel, and the driven wheel is connected with a driving wheel arranged on the first rotating shaft through a first synchronous belt;
the braking or retarding energy recovery assembly includes: the driven component is connected with the driving shaft, the transmission component is connected with the driven component through an electromagnetic clutch, and the electromagnetic clutch is connected with the control unit; the driven assembly comprises a driven shaft in meshed connection with the driving shaft, and the other end of the driven shaft is connected with the electromagnetic clutch.
2. A battery electric vehicle energy storage control system as in claim 1, wherein the braking or retarding energy recovery assembly further comprises a speed sensor coupled to the control unit for detecting the rotational speed of the driven assembly.
3. The energy storage control system of a pure electric vehicle according to claim 1, wherein a solar power generation assembly is arranged on the top of the vehicle and is connected with the power battery pack and the control unit respectively.
4. The energy storage control method of a pure electric vehicle based on the energy storage control system of the pure electric vehicle as claimed in claim 1, which is characterized by comprising the following steps:
when the vehicle runs, the fan blades arranged in the wind power generation assembly are rotated by wind resistance, and the fan blades drive the first generator to rotate to store energy for the power battery pack;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or decelerating energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is larger than a preset threshold value, the control unit controls the solar power generation assembly to store energy to the power battery pack;
when the vehicle brakes, decelerates or turns, the step of controlling the braking or decelerating energy recovery assembly to store energy in the power battery pack by the control unit comprises the following steps:
when the vehicle brakes and decelerates or the accelerator is released and runs, the fan blades arranged in the wind power generation assembly rotate due to wind resistance; meanwhile, the vehicle deceleration inertia force is combined by the electromagnetic clutch and the overrunning clutch, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy to the power battery pack;
the first belt wheel is arranged on the fourth rotating shaft, the second belt wheel is arranged on the second rotating shaft, the first belt wheel is connected with the second belt wheel through a second synchronous belt, one end of the fourth rotating shaft is connected with an electromagnetic clutch, and when the vehicle brakes, the control system controls the electromagnetic clutch to be closed, so that the corresponding fourth rotating shaft and a corresponding driven shaft synchronously rotate, the rotating speed on the driving shaft can be sequentially transmitted to the driven shaft, the electromagnetic clutch, the first belt wheel, the second synchronous belt, the second belt wheel and the second rotating shaft, and after that, the overrunning clutch can compare the rotating speed on the second rotating shaft with the rotating speed on the third rotating shaft, select the highest rotating speed and feed back the rotating speed to the first generator and the second generator, so that the first generator and the second generator can generate electricity simultaneously and store the generated electricity into the power battery pack;
when the vehicle turns, the control unit sends a corresponding signal through the speed sensor to enable the electromagnetic clutch at the higher speed side to be closed, and the transmission assembly and the fan blade are combined to drive the first generator and the second generator to rotate for generating electricity to store energy for the power battery pack.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330115.1A CN115071435B (en) | 2022-03-31 | 2022-03-31 | Energy storage control system and control method for pure electric vehicle |
| PCT/CN2022/132310 WO2023185001A1 (en) | 2022-03-31 | 2022-11-16 | Pure electric vehicle energy storage control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330115.1A CN115071435B (en) | 2022-03-31 | 2022-03-31 | Energy storage control system and control method for pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115071435A CN115071435A (en) | 2022-09-20 |
| CN115071435B true CN115071435B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210330115.1A Active CN115071435B (en) | 2022-03-31 | 2022-03-31 | Energy storage control system and control method for pure electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115071435B (en) |
| WO (1) | WO2023185001A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115071435A (en) | 2022-09-20 |
| WO2023185001A1 (en) | 2023-10-05 |
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