CN115071435A - 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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- CN115071435A CN115071435A CN202210330115.1A CN202210330115A CN115071435A CN 115071435 A CN115071435 A CN 115071435A CN 202210330115 A CN202210330115 A CN 202210330115A CN 115071435 A CN115071435 A CN 115071435A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010248 power generation Methods 0.000 claims abstract description 47
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 230000000979 retarding effect Effects 0.000 claims description 3
- 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
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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- 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 a pure electric vehicle energy storage control system and a control method, wherein the pure electric vehicle 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 deceleration energy recovery assembly, wherein the wind power generation assembly and the braking or deceleration 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 deceleration energy recovery assembly is connected with the wind power generation assembly through a transmission assembly. The vehicle has the advantages that the vehicle is provided with a plurality of power generation and energy storage modes, so that the vehicle can supplement energy to the power battery pack in other modes while charging and storing energy, 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 method for 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 more attention as clean renewable energy sources, and at present, the wind energy is used as large generator sets, and the application of wind power generation on vehicles is not utilized. The kinetic energy sources of the existing vehicles mainly come from fuel oil and electric power, the pollution of the fuel oil vehicles to the atmosphere is very serious, and the fuel oil resources are less and less; the endurance of the electric vehicle is not ideal due to the limited storage capacity of the storage battery. If wind energy, solar energy and the like are utilized in a system of a vehicle, positive and remarkable effects will be produced.
In addition, during turning, braking or deceleration of the vehicle, the rotation speed of the left and right driving shafts is differentially changed, the rotation speed of the outer driving shaft is greater than that of the inner driving shaft, and thus energy loss of the vehicle occurs.
Disclosure of Invention
The invention aims to provide an energy storage control system and an energy storage control method for a pure electric vehicle, which are used for solving the problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
an energy storage control system for a full electric vehicle, comprising: the wind power generation device comprises a control unit, a wind power generation assembly and a braking or deceleration energy recovery assembly, wherein the wind power generation assembly and the braking or deceleration 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 deceleration energy recovery assembly is connected with the wind power generation assembly through a transmission assembly.
Furthermore, 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.
Furthermore, the transmission assembly comprises a second rotating shaft and a third rotating shaft which are arranged at the top of the vehicle, a shaft sleeve is arranged at one end of the third rotating shaft, an overrunning clutch is arranged in the shaft sleeve, and one end of the second rotating shaft is inserted into the overrunning clutch.
Furthermore, a second generator is arranged at the top of the vehicle body, one end of a 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 transmission assembly is connected with the driven assembly through an electromagnetic clutch, and the electromagnetic clutch is connected with the control unit; the driven assembly comprises a driven shaft which is meshed 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 with the control unit, and the speed sensor is used for detecting the rotating speed of the driven assembly.
Further, a solar power generation assembly connected with the power battery pack and the control unit respectively is arranged on 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 rotate under the action of wind resistance, and the first generator is driven by the fan blades to rotate to the power battery pack for storing energy;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or deceleration energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is greater 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 that the control unit controls the braking or deceleration energy recovery assembly to store energy to the power battery pack comprises the following steps:
when the vehicle brakes to decelerate or looses the accelerator to decelerate, the fan blades arranged in the wind power generation assembly rotate under the wind resistance; meanwhile, the deceleration inertia force of the vehicle jointly acts through an electromagnetic clutch and an overrunning clutch, and a transmission assembly and a fan blade jointly drive a first generator and a second generator to rotate to generate electricity and store energy to a power battery pack;
when the vehicle turns, the control unit sends a corresponding signal through the speed sensor to close the electromagnetic clutch on the higher speed side, and drives the first generator and the second generator to rotate through the combination of the transmission assembly and the fan blades to generate power and store energy for the power battery pack.
Compared with the prior art, the invention at least comprises the following beneficial effects:
(1) by using the wind power and mechanical energy power generation assembly, the vehicle can collect wind energy and vehicle deceleration inertia mechanical energy at any time in the braking deceleration and turning driving processes of the vehicle, and the wind energy and the mechanical energy are converted into electric energy to be stored in the power battery pack;
(2) the vehicle is at the driving in-process of speed reduction, braking or turning, through the switching of coordinated control unit control electromagnetic clutch for transmission assembly, driven subassembly and electromagnetic clutch three link up and use, when the vehicle turns, brakes or slows down, control the freewheel clutch effect, select outside drive wheel power automatically, no matter turn left or turn right can both carry out the energy storage to the vehicle, so that the inertia kinetic energy of vehicle can be fully retrieved.
(3) Through being provided with multiple electricity generation energy storage mode on the vehicle, like: the solar panel on the outer side of the vehicle body enables the vehicle to store energy during charging, and can also supplement energy to the power battery pack through 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 structural view of a wind power assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a transmission assembly and a braking or retarding energy recovery assembly in an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a structure at a in fig. 3.
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 wheel 420, a second rotating shaft 421, a second belt wheel 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 are arranged.
Detailed Description
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, the energy storage control system for a pure electric vehicle of the present invention includes: the solar energy power generation system comprises a control unit, a wind power generation assembly, a braking or deceleration energy recovery assembly and a solar power generation assembly, wherein the wind power generation assembly, the braking or deceleration 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 deceleration 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 includes a first generator disposed on the top of the vehicle, the first generator is connected to the power battery pack, the first generator is provided with a first rotating shaft, and the first rotating shaft is provided with a fan blade and an overrunning clutch.
According to the invention, the solar power generation assembly 500 is arranged on the roof of the vehicle, and the control unit can control the solar power generation assembly 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 blades 230 rotate under the influence of wind resistance when the vehicle runs normally, and the first rotating shaft 220 is driven to rotate when the wind blades 230 rotate, so that the first generator 210 generates power and stores energy to 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, when the electric quantity is small, a reminding signal can be sent 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 and a third rotating shaft 430 arranged on the top of the vehicle and a fourth rotating shaft 410 arranged in the bottom of the vehicle, wherein 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, the third rotating shaft 430 is provided with a driven wheel 432, 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 includes 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 will drive 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 affect each other.
Therefore, in operation, when the rotation speed of the second rotating shaft 420 is greater than the rotation speed of the third rotating shaft 430, the third rotating shaft 430 also reaches the rotation speed of the second rotating shaft 420, and the driven wheel 432 on the second rotating shaft 420 is connected with the driving wheel through the first synchronous belt 432a, so that the first rotating shaft 220 can reach the rotation speed of the second rotating shaft 420, and thus, both the first generator 210 and the second generator 130 can generate electric energy; when the rotation speed of the second rotating shaft 420 is less than the rotation speed of the third rotating shaft 430, the third rotating shaft 430 and the second rotating shaft 420 respectively maintain their own rotation speeds, so that the first generator 210 and the second generator 130 can both obtain the highest rotation speed to achieve the maximum power generation capacity.
The braking or deceleration energy recovery assembly comprises a driven assembly 300 connected with the driving shaft 110, the transmission assembly 400 is connected with the driven assembly 300 through an electromagnetic clutch 120, and the electromagnetic clutch 120 is connected with 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 with the electromagnetic clutch 120.
A first belt wheel 411 is arranged on the fourth rotating shaft 410, a second belt wheel 421 is arranged on the second rotating shaft 420, the first pulley 411 and the second pulley 421 are connected by a second timing belt 450, one end of the fourth rotating shaft 410 is connected with the electromagnetic clutch 120, when the vehicle is braked, 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 rotate synchronously, in this way, the rotation speed of the driving shaft 110 is sequentially transmitted to the driven shaft 310, the electromagnetic clutch 120, the first pulley 411, the second timing belt 450, the second pulley 421, and the second rotation shaft 420, and thereafter, the overrunning clutch 440 compares the rotation speed of the second rotating shaft 420 with the rotation speed of the third rotating shaft 430, selects the highest rotation speed, and feeds back the highest rotation speed to the first generator 210 and the second generator 130, thereby enabling the first generator 210 and the second generator 130 to generate and store power 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 a rotational speed of the driven assembly.
When the vehicle is running, the speed sensor 140 detects the rotation speed of the corresponding driven assembly 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 that 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, and when the comparison value is within the preset value range of the control unit, the control unit operates the electromagnetic clutch 120 connected with the driven assembly 300 with the faster rotation speed to close, that is, the driven assembly 300 is communicated with the transmission assembly 400, so that the driving shaft 110 with the faster rotation speed transmits the rotation speed to the driven assembly 300 and the transmission assembly 400 in turn, and feeds the rotation speed back to the overrunning clutch 440 through the transmission assembly, the overrunning clutch 440 compares the rotation speed of the second rotating shaft 420 with the rotation speed of the third rotating shaft 430, selects the highest rotation speed, and feeds back the highest rotation speed to the first generator 210 and the second generator 130, so that the first generator 210 and the second generator 130 can simultaneously generate and store power into the power battery pack, and high-speed outside energy recovery of the vehicle during turning is realized.
According to the invention, the control unit controls the opening and closing of the electromagnetic clutch 120, so that the transmission assembly 400, the driven assembly 300 and the electromagnetic clutch 120 are used in a linkage manner, and the vehicle can be stored with 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 rotate under the action of wind resistance, and the first generator is driven by the fan blades to rotate to the power battery pack for storing energy;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or deceleration energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is greater 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 that the control unit controls the braking or deceleration energy recovery assembly to store energy to the power battery pack comprises the following steps:
when the vehicle brakes to decelerate or looses the accelerator to decelerate, the fan blades arranged in the wind power generation assembly rotate under the wind resistance; meanwhile, the deceleration inertia force of the vehicle jointly acts through the electromagnetic clutch and the overrunning clutch, and the first generator and the second generator are driven to rotate through the combination of the transmission assembly and the fan blade to generate 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 close the electromagnetic clutch on the higher speed side, and drives the first generator and the second generator to rotate through the combination of the transmission assembly and the fan blades to generate power and store energy for the power battery pack.
The invention is provided with diversified vehicle energy storage modes, so that the vehicle can recover the energy lost in the running process of the vehicle while being normally charged, and the energy consumption is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A pure electric vehicle energy storage control system, characterized by comprising: the wind power generation device comprises a control unit, a wind power generation assembly and a braking or deceleration energy recovery assembly, wherein the wind power generation assembly and the braking or deceleration 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 deceleration energy recovery assembly is connected with the wind power generation assembly through a transmission assembly.
2. The energy storage control system for the pure electric vehicle according to claim 1, wherein the wind power generation assembly comprises a first generator arranged on 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.
3. The energy storage control system for the pure electric vehicle according to claim 2, wherein the transmission assembly comprises a second rotating shaft and a third rotating shaft which are arranged on the top of the vehicle, a shaft sleeve is arranged at one end of the third rotating shaft, an overrunning clutch is arranged in the shaft sleeve, and one end of the second rotating shaft is inserted into the overrunning clutch.
4. A pure electric vehicle energy storage control system as claimed in claim 3, wherein 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.
5. A pure electric vehicle energy storage control system according to claim 1, wherein the braking or retarding energy recovery assembly comprises: the transmission assembly is connected with the driven assembly through an electromagnetic clutch, and the electromagnetic clutch is connected with the control unit; the driven assembly comprises a driven shaft which is meshed with the driving shaft, and the other end of the driven shaft is connected with the electromagnetic clutch.
6. A pure electric vehicle energy storage control system according to claim 5, wherein the braking or decelerating energy recovery assembly further comprises a speed sensor connected to the control unit, the speed sensor being configured to detect a rotational speed of the driven assembly.
7. A pure electric vehicle energy storage control system according to claim 1, characterized in that a solar power generation assembly connected with the power battery pack and the control unit respectively is arranged on the top of the vehicle.
8. An energy storage control method of a pure electric vehicle based on the energy storage control system of the pure electric vehicle of claim 1 is characterized by comprising the following steps:
when the vehicle runs, the fan blades arranged in the wind power generation assembly rotate under the action of wind resistance, and the first generator is driven by the fan blades to rotate to the power battery pack for storing energy;
when the vehicle brakes, decelerates or turns, the control unit controls the braking or deceleration energy recovery assembly to store energy to the power battery pack;
when the illumination intensity detected by the control unit is greater than a preset threshold value, the control unit controls the solar power generation assembly to store energy to the power battery pack.
9. The energy storage control method for the pure electric vehicle according to claim 8, wherein the step of controlling the braking or deceleration energy recovery assembly to store energy to the power battery pack by the control unit when the vehicle brakes, decelerates or turns comprises the following steps:
when the vehicle brakes to decelerate or looses the accelerator to decelerate, the fan blades arranged in the wind power generation assembly rotate under the wind resistance; meanwhile, the deceleration inertia force of the vehicle jointly acts through an electromagnetic clutch and an overrunning clutch, and a transmission assembly and a fan blade jointly drive a first generator and a second generator to rotate to generate electricity and store energy to a power battery pack;
when the vehicle turns, the control unit sends a corresponding signal through the speed sensor to close the electromagnetic clutch on the higher speed side, and drives the first generator and the second generator to rotate through the combination of the transmission assembly and the fan blades to generate power and 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 |
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| CN115071435A true CN115071435A (en) | 2022-09-20 |
| CN115071435B CN115071435B (en) | 2024-04-09 |
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| CN202210330115.1A Active CN115071435B (en) | 2022-03-31 | 2022-03-31 | Energy storage control system and control method for pure electric vehicle |
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| WO (1) | WO2023185001A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185001A1 (en) * | 2022-03-31 | 2023-10-05 | 浙江中车电车有限公司 | Pure electric vehicle energy storage control system and control method |
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| CN115071435B (en) | 2024-04-09 |
| WO2023185001A1 (en) | 2023-10-05 |
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