CN107499261B - Automobile braking energy recovery device and energy-saving automobile - Google Patents
Automobile braking energy recovery device and energy-saving automobile Download PDFInfo
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- CN107499261B CN107499261B CN201710895523.0A CN201710895523A CN107499261B CN 107499261 B CN107499261 B CN 107499261B CN 201710895523 A CN201710895523 A CN 201710895523A CN 107499261 B CN107499261 B CN 107499261B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The embodiment of the invention provides an automobile braking energy recovery device and an energy-saving automobile, wherein the automobile braking energy recovery device comprises a planetary gear set, an alternating current generator and an energy recovery storage battery; the planetary gear set is respectively connected with the transmission and the alternating current generator, and the energy recovery storage battery is respectively connected with the alternating current generator, the primary vehicle storage battery and a plurality of vehicle electrical equipment. The planetary gear set is used for driving the alternating current generator to generate electricity under the driving of the transmission, the alternating current generator is used for converting automobile kinetic energy into electric energy to be stored in the energy recovery storage battery, and the energy recovery storage battery is used for supplying power to the original automobile storage battery and the plurality of automobile electrical equipment. The invention can convert the kinetic energy of the automobile during braking into electric energy so as to improve the energy utilization efficiency of the automobile and reduce the energy loss.
Description
Technical Field
The invention relates to the technical field of automobile braking energy recovery and utilization, in particular to an automobile braking energy recovery device and an energy-saving automobile.
Background
In view of the fact that the conventional fuel oil automobile is decelerating and braking, the motion energy of the automobile is converted into heat energy through a braking system and released to the atmosphere. Studies have shown that during driving of the vehicle, about 50% or even more of the drive energy is lost during braking, and that suburban conditions also have at least 20% of the drive energy lost during braking. On the other hand, along with the increasing demands of people on the comfort, safety and emission of automobiles, the corresponding electric equipment on the automobiles is more and more, and the demands on the electricity consumption are correspondingly increased. Therefore, how to convert the kinetic energy of the vehicle in deceleration into electric energy and then recycle the electric energy so as to supply electric equipment of the vehicle to improve the energy utilization efficiency of the vehicle has great significance for energy conservation and environmental protection of the vehicle.
Disclosure of Invention
In view of the above, the present invention provides an automobile braking energy recovery device and an energy-saving automobile, which can effectively solve the above problems.
The preferred embodiment of the invention provides an automobile braking energy recovery device, which comprises a planetary gear set, an alternating current generator and an energy recovery storage battery;
the planetary gear set is respectively connected with the transmission and the alternating current generator, and the energy recovery storage battery is respectively connected with the alternating current generator, the primary vehicle storage battery and a plurality of vehicle electrical equipment; wherein:
the planetary gear set is used for driving the alternating current generator to generate electricity under the driving of the transmission, the alternating current generator is used for converting automobile kinetic energy into electric energy to be stored in the energy recovery storage battery, and the energy recovery storage battery is used for supplying power to the original automobile storage battery and the plurality of automobile electrical equipment.
In an alternative preferred embodiment of the present invention, the planetary gear set includes a ring gear, a carrier, a sun gear, and a sun gear hollow shaft;
the gear sleeve is sleeved on the inner wall of an end cover in the transmission, the center of the planet carrier is sleeved on the output shaft of the transmission, the sun gear is connected with a sun gear hollow shaft, and the sun gear hollow shaft is connected with the alternating current generator, sleeved on the output shaft of the transmission and supported by a bearing.
In an alternative preferred embodiment of the invention, the ring gear and the planet carrier are both arranged in the form of splines on the transmission.
In an alternative preferred embodiment of the invention, the alternator is a hollow shaft brushless alternator.
In an alternative preferred embodiment of the invention, the alternator comprises a hollow rotor shaft provided with grooves, the sun gear hollow shaft being provided with wedges matching the grooves, the wedges being arranged in the grooves.
In an alternative preferred embodiment of the invention, the alternator comprises a housing, the alternator being secured to an end cap of the transmission by the housing.
In a preferred embodiment of the present invention, the vehicle braking energy recovery device further includes a unidirectional switch, wherein an input end of the unidirectional switch is connected with the energy recovery storage battery, and an output end of the unidirectional switch is respectively connected with the primary vehicle storage battery and the plurality of vehicle electrical devices.
In an alternative preferred embodiment of the present invention, the unidirectional switch is a power diode.
In an alternative preferred embodiment of the present invention, the vehicle braking energy recovery device further includes a composite relay;
the composite relay is connected with an excitation circuit in the alternating current generator and an automobile braking system, and is used for realizing the opening or closing of the excitation circuit under the control of the automobile braking system.
The preferred embodiment of the invention provides an energy-saving automobile, which comprises a transmission, an original automobile storage battery, a plurality of automobile electrical equipment and an automobile braking energy recovery device, wherein the transmission is connected with the original automobile storage battery;
the transmission is connected with a planetary gear set in the automobile braking energy recovery device, and the original automobile storage battery and the plurality of automobile electrical equipment are respectively connected with the energy recovery storage battery in the automobile braking energy recovery device.
Compared with the prior art, the automobile braking energy recovery device and the energy-saving automobile provided by the invention can convert the kinetic energy of the automobile during braking into electric energy by arranging the automobile braking energy recovery device in the existing fuel automobile so as to improve the utilization efficiency of the automobile energy and reduce the energy loss, and the automobile braking energy recovery device is simple in structure, low in manufacturing cost and suitable for large-scale popularization
In addition, the automobile braking energy recovery device is connected with the original automobile storage battery of the automobile, so that the problems of power failure, flameout of an engine and the like of automobile electrical equipment caused by replacement of the original automobile storage battery or power consumption of the original automobile storage battery in the existing automobile use process are solved, and meanwhile, the dependence of the existing automobile electrical equipment on the engine and the dependence of the original automobile storage battery are effectively weakened.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of an energy-saving automobile according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an energy-saving automobile according to an embodiment of the present invention.
Fig. 3 is another schematic structural diagram of an energy-saving automobile according to an embodiment of the present invention.
Fig. 4 is another block structure diagram of the energy saving automobile shown in fig. 1.
Icon: 10-energy-saving automobile; 20-an automobile braking energy recovery device; 21-planetary gear set; 210-a gear ring; 211-a planet carrier; 212-a sun gear; 213-sun gear hollow shaft; 2130—cam; a 22-alternator; 220-an excitation circuit; 2201-field coil; 221-a hollow rotor shaft; 2210-groove; 2211-a bearing; 222-a voltage regulator; 223-ventilation outlet; 224-fans; 225-an armature; 226-a rectifier; 227-ventilation inlet; 228-a housing; 229-rotor claw poles; 23-an energy recovery battery; 24-one-way switch; 25-composite relay; 30-a transmission; 310-output shaft; 311-a rear end cover; 312-side end caps; 40-an original vehicle storage battery; 50-automobile electrical equipment; a 60-brake system; 61-air conditioning; 610-air conditioning switch; 611-electric compressor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present invention, the terms "first, second, third, fourth, etc. are used merely to distinguish between the descriptions and are not to be construed as merely or implying relative importance.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2 in combination, a block schematic diagram of an automotive braking energy recovery device 20 according to an embodiment of the present invention is provided, wherein the automotive braking energy recovery device 20 includes a planetary gear set 21, an alternator 22 and an energy recovery battery 23. The planetary gear set 21 is connected to the transmission 30 and the alternator 22, respectively, and the energy recovery battery 23 is connected to the alternator 22, the primary vehicle battery 40, and a plurality of vehicle electrical devices 50, respectively.
The planetary gear set 21 is used for driving the alternator 22 to generate electricity under the driving of the transmission 30. According to actual requirements, when the planetary gear set 21 is installed in an existing fuel automobile, corresponding space modification can be performed according to the specific type of the automobile so as to realize the arrangement of the automobile braking energy recovery device 20.
For example, if the vehicle is a front-drive vehicle, the planetary gear set 21 is placed by adapting the side end cover 312 of the output shaft 310 of the transmission 30 of the front-drive vehicle to increase the space. As another example, if the vehicle is a rear-drive vehicle, the planetary gear set 21 is placed by adapting the rear end cap 311 of the transmission 30 of the rear-drive vehicle to increase the space, which is not limited in the present embodiment.
Alternatively, the planetary gear set 21 may include a gear ring 210, a planet carrier 211, a sun gear 212, and a hollow sun gear shaft 213, where the gear ring 210 is sleeved on an inner wall of an end cover in the transmission 30, a center of the planet carrier 211 is sleeved on an output shaft 310 of the transmission 30, the sun gear 212 is connected with the hollow sun gear shaft 213, and the hollow sun gear shaft 213 is connected with the alternator 22, sleeved on the output shaft 310 of the transmission 30, and supported by a bearing 2211. Note that, in practical implementation, the gear ring 210 and the planet carrier 211 may be disposed on the transmission 30 in the form of splines, which is not particularly limited herein. In addition, in actual implementation, the actual configuration of the planetary gear set 21 may not be limited thereto.
The alternator 22 is used to convert the kinetic energy of the vehicle into electrical energy for storage in the energy recovery battery 23. For example, no matter the automobile is in neutral gear or is running in gear, the output shaft 310 of the transmission 30 is connected with the driving wheels of the automobile and is in a transmission state, so that the planetary gear set 21 is sleeved on the output shaft 310 of the transmission 30, the output shaft 310 drives the planet carrier 211 through a thin spline, the gear ring 210 is fixed, the sun gear 212 accelerates the power output, and finally, the sun gear hollow shaft 213 drives the alternator 22 to generate electricity. Referring to fig. 3, the alternator 22 includes a hollow rotor shaft 221, the hollow rotor shaft 221 is provided with a groove 2210, the sun hollow shaft 213 is provided with a cam 2130 matching with the groove 2210, and the cam 2130 is disposed in the groove 2210. Alternatively, in the present embodiment, the alternator 22 may be, but is not limited to, a hollow shaft brushless alternator 22. It should be understood that the actual arrangement positions and arrangement numbers of the cam 2130 and the groove 2210 are not particularly limited in this embodiment, and for example, the positions of the cam 2130 and the groove 2210 may be interchanged.
Additionally, the alternator 22 may also include a housing 228 and be secured to an end cap of the transmission 30 by the housing 228. Further, the alternator 22 may further include other components, such as an air vent 223, a fan 224, an armature 225, a rectifier 226, an air vent inlet 227, and a rotor claw pole 229, and the field circuit 220 may include a field coil 2201, and the like. Specifically, this embodiment is not described herein.
The energy recovery battery 23 is used for storing electric quantity of the ac generator 22 for converting kinetic energy of the vehicle into electric energy and supplying power to the primary vehicle battery 40 and the plurality of vehicle electrical devices 50, so that the problem that the power of the vehicle electrical devices 50 is cut off or the like can not occur in the process of replacing the primary vehicle battery 40 or when the electric quantity of the primary vehicle battery 40 is insufficient, effective recovery and utilization of braking energy can be realized, the engine oil consumption of the vehicle is greatly reduced, and the environment is protected.
The energy recovery storage battery 23 may be a plurality of storage batteries arranged in parallel according to actual requirements, so as to be used as a standby power supply in the using process of the automobile. Alternatively, the automotive electrical device 50 may be any device requiring power supply, such as an automotive air conditioner, a navigation, a tachograph, a player, etc. It should be noted that when the power is supplied to the vehicle air conditioner 61 through the energy recovery battery 23, the mechanical compressor used for the air conditioner 61 in the conventional fuel-fired vehicle can be replaced with the electric compressor 611, so that the problem that the influence of the mechanical compressor on the driving power of the vehicle is large when the vehicle is operated under a large load can be effectively avoided.
Further, the vehicle braking energy recovery device 20 further comprises a compound relay 25, which compound relay 25 is used for connecting with a braking system 60 in the vehicle to control the opening or closing of the alternator 22. The brake system 60 may be an automobile brake system or an air conditioning refrigeration system, etc.
Specifically, the hybrid relay 25 is connected to the exciting circuit 220 in the alternator 22 and the brake system 60 in the automobile, and controls the alternator 22 to generate power to be turned on and off by controlling the opening and closing of the exciting circuit 220. For example, when braking of the vehicle is required, the braking system 60 controls the hybrid relay 25 to be connected to the exciting circuit 220 in the alternator 22, and controls the alternator 22 to generate electric power. Alternatively, in the present embodiment, the feedback control of the alternator 22 may also be implemented based on the voltage state of the energy recovery battery 23 detected by the voltage regulator 222 in the alternator 22.
As another example, if the vehicle is not braked or is not cooled using the vehicle air conditioner 61, the hybrid relay 25 is opened, the vehicle braking energy recovery device 20 has no exciting current, and the rotor shaft in the alternator 22 idles without generating electricity.
Further, according to actual requirements, the automobile braking energy recovery device 20 further includes a unidirectional switch 24, wherein an input end of the unidirectional switch 24 is connected with the energy recovery battery 23, and an output end of the unidirectional switch is respectively connected with the primary automobile battery 40 and the plurality of automobile electrical devices 50.
Wherein, because the unidirectional switch 24 has unidirectional conductivity, the unidirectional switch 24 can be used to avoid the original vehicle battery 40 or the battery in the vehicle battery device from charging the energy recovery battery 23 when the energy recovery battery 23 is low in power or too low in power. Alternatively, in the present embodiment, the unidirectional switch 24 may be, but is not limited to, a power diode.
Based on the above description of the arrangement of the vehicle braking energy recovery device 20, it is possible to realize: when the automobile brakes or the air conditioner 61 is started, the output shaft 310 of the transmission 30 drives the planet carrier 211, and the sun gear 212 is driven to rotate at a speed increasing speed, so that the hollow rotor shaft 221 in the alternator 22 is driven to rotate. At the same time, the composite relay 25 is controlled to be turned on by the brake system 60 (brake pedal or open air conditioner switch 610) and is connected to the exciting circuit 220 in the alternator 22 to realize the electric power generation of the alternator 22 and store the generated electric energy in the energy recovery battery 23, specifically referring to fig. 4 in combination.
Wherein, when braking by the automobile braking system 60, the driving shaft of the transmission 30 is driven by the driving wheel of the automobile to drive the alternator 22 to generate electricity, and the electric energy is stored in the energy recovery storage battery 23. When the air conditioner 61 is turned on, the energy recovery battery 23 is required to supply power to the electric compressor 611 of the air conditioner 61, and the voltage regulator 222 in the alternator 22 controls the alternator 22 to generate power according to the voltage state in the energy recovery battery 23. In addition, in other conditions of the vehicle, the alternator 22 is turned off or idling without generating electricity.
In addition, under the action of the unidirectional switch 24, when the amount of electricity in the energy recovery battery 23 is sufficient, the energy recovery battery 23 can supply power to each of the vehicle electrical devices 50 in the vehicle, and can charge the primary vehicle battery 40. It should be noted, however, that in the present embodiment, the primary vehicle generator or the primary vehicle storage battery 40 prohibits charging the energy recovery storage battery 23 or supplying power to the electric compressor 611 in the vehicle air conditioner 61.
Based on the above, the embodiment of the invention effectively solves the problems of energy recovery and storage of the conventional common fuel automobile in the braking process, and the automobile braking energy recovery device 20 can supply power to all electronic equipment in the automobile, thereby effectively reducing the dependence on the engine of the original automobile, the oil consumption of the engine and the emission of carbon dioxide. Meanwhile, the invention also effectively solves the problem that the prior ordinary fuel automobile air conditioner 61 adopts a mechanical compressor with low efficiency and has great influence on the driving power of the automobile when the automobile is under heavy load; the problems that various automobile electrical equipment 50 on an automobile are powered off, information in part of a memory is lost in the process of replacing a storage battery, so that the automobile sound is started in a theft-proof mode, a clock is reset to zero, and an automobile part actuator needs to be matched again and an engine cannot be started are avoided.
Further, referring to fig. 1 again, an energy-saving vehicle 10 is provided in an embodiment of the present invention, and the energy-saving vehicle 10 includes a transmission 30, an original vehicle storage battery 40, a plurality of vehicle electrical devices 50, and the vehicle braking energy recovery device 20. The transmission 30 is connected to the planetary gear set 21 in the vehicle braking energy recovery device 20, and the primary vehicle battery 40 and the plurality of vehicle electrical devices 50 are respectively connected to the energy recovery battery 23 in the vehicle braking energy recovery device 20. The automobile is a front-drive fuel automobile or a rear-drive fuel automobile.
Since the energy-saving vehicle 10 includes the vehicle braking energy recovery device 20, the energy-saving vehicle 10 has the same technical features as the vehicle braking energy recovery device 20, and will not be described in detail herein, please refer to the explanation of the vehicle braking energy recovery device 20.
In summary, the automobile braking energy recovery device 20 and the energy-saving automobile 10 provided by the invention can convert the kinetic energy of the automobile during braking into electric energy by arranging the automobile braking energy recovery device 20 in the existing fuel automobile so as to improve the energy utilization efficiency of the automobile and reduce the energy consumption, and the invention has the advantages of simple structure, low manufacturing cost and suitability for large-scale popularization
In addition, the automobile braking energy recovery device 20 provided by the invention is connected with the original automobile storage battery 40 of the automobile, so that the problems of power failure, engine flameout and the like of the automobile electrical equipment 50 caused by the replacement of the original automobile storage battery 40 or the power consumption of electric energy in the existing automobile use process are solved, and meanwhile, the dependence of the existing automobile electrical equipment 50 on the engine and the dependence of the original automobile storage battery 40 are effectively weakened.
It will be apparent to those skilled in the art that the functions of the embodiments of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in existing program code or algorithms executable by computing devices, whereby they may be stored in storage devices for execution by computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. Thus, the functional implementation of the present invention is not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An automobile braking energy recovery device is characterized by comprising a planetary gear set, an alternating current generator and an energy recovery storage battery;
the planetary gear set is respectively connected with the transmission and the alternating current generator, and the energy recovery storage battery is respectively connected with the alternating current generator, the primary vehicle storage battery and a plurality of vehicle electrical equipment; wherein:
the planetary gear set comprises a gear ring, a planet carrier, a sun gear and a sun gear hollow shaft;
the gear sleeve is sleeved on the inner wall of an end cover in the speed changer, the center of the planet carrier is sleeved on the output shaft of the speed changer, the sun wheel is connected with a sun wheel hollow shaft, and the sun wheel hollow shaft is connected with the alternating current generator, sleeved on the output shaft of the speed changer and supported by a bearing;
the planetary gear set is used for driving the alternating current generator to generate power under the driving of the transmission, wherein the output shaft of the transmission is connected with the driving wheels of the automobile and is in a mutual transmission state no matter the automobile is in neutral gear sliding or in gear driving, so that the planetary gear set is sleeved on the output shaft of the transmission, the planetary carrier is driven by the output shaft of the transmission, the gear ring is fixed, the sun gear increases speed and power is output, and finally the alternating current generator is driven to generate power through the hollow shaft of the sun gear; the alternating current generator is used for converting automobile kinetic energy into electric energy and storing the electric energy in the energy recovery storage battery, and the energy recovery storage battery is used for supplying power to the original automobile storage battery and the plurality of automobile electrical equipment;
the automobile braking energy recovery device further comprises a one-way switch, wherein the input end of the one-way switch is connected with the energy recovery storage battery, and the output end of the one-way switch is connected with the original automobile storage battery and the plurality of automobile electrical equipment respectively;
the automobile braking energy recovery device further comprises a composite relay;
the composite relay is connected with an excitation circuit in the alternating current generator and an automobile braking system, and is used for realizing the opening or closing of the excitation circuit under the control of the automobile braking system.
2. The vehicle brake energy recovery device according to claim 1, wherein the gear ring and the carrier are each provided to the transmission in the form of a spline.
3. The vehicle braking energy recovery device according to claim 1, wherein the alternator is a hollow shaft brushless alternator.
4. The vehicle braking energy recovery device according to claim 3, wherein the alternator includes a hollow rotor shaft provided with a groove, the sun gear hollow shaft being provided with a cam matching the groove, the cam being provided in the groove.
5. The vehicle braking energy recovery device according to claim 1, wherein the alternator includes a housing, the alternator being secured to an end cap of the transmission by the housing.
6. The vehicle braking energy recovery apparatus according to claim 1, wherein the unidirectional switch is a power diode.
7. An energy-saving automobile, characterized by comprising a transmission, an original automobile storage battery, a plurality of automobile electrical equipment and the automobile braking energy recovery device according to any one of claims 1 to 6;
the transmission is connected with a planetary gear set in the automobile braking energy recovery device, and the original automobile storage battery and the plurality of automobile electrical equipment are respectively connected with the energy recovery storage battery in the automobile braking energy recovery device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710895523.0A CN107499261B (en) | 2017-09-28 | 2017-09-28 | Automobile braking energy recovery device and energy-saving automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710895523.0A CN107499261B (en) | 2017-09-28 | 2017-09-28 | Automobile braking energy recovery device and energy-saving automobile |
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| CN107499261A CN107499261A (en) | 2017-12-22 |
| CN107499261B true CN107499261B (en) | 2023-11-24 |
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| CN109733202A (en) * | 2019-02-27 | 2019-05-10 | 广州工程技术职业学院 | Brake energy recovering system and its application method |
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