CN110641609A - Energy-saving power device of electric vehicle - Google Patents

Energy-saving power device of electric vehicle Download PDF

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Publication number
CN110641609A
CN110641609A CN201911018974.1A CN201911018974A CN110641609A CN 110641609 A CN110641609 A CN 110641609A CN 201911018974 A CN201911018974 A CN 201911018974A CN 110641609 A CN110641609 A CN 110641609A
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China
Prior art keywords
energy
solar
electric vehicle
electric
storage battery
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CN201911018974.1A
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Chinese (zh)
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孙雪峰
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Individual
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Individual
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Priority to CN201911018974.1A priority Critical patent/CN110641609A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/85—Solar cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/10—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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
    • H02K7/02—Additional mass for increasing inertia, e.g. flywheels
    • H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses an energy-saving power device of an electric vehicle in the field of electric energy saving, which comprises an electric motor, an energy storage flywheel, a main storage battery, a solar panel, a solar controller, a solar storage battery and a dual-power-supply change-over switch, wherein the dual-power-supply change-over switch is respectively connected with the main storage battery and the solar storage battery, the solar controller is respectively connected with the solar panel and the solar storage battery, the power supply input end of the electric motor is correspondingly connected with the dual-power-supply change-over switch, the output shaft of the electric motor is connected with a transmission shaft through a. After the electric quantity of the main storage battery is used up, the electric vehicle is continuously ridden for a certain distance by utilizing the electric quantity in the energy storage flywheel and the solar storage battery to search a charging point, so that the effect of being beneficial to riding is achieved, and the electric vehicle has the advantages of energy conservation and environmental protection.

Description

Energy-saving power device of electric vehicle
Technical Field
The invention relates to the field of electric energy conservation, in particular to an energy-saving power device of an electric vehicle.
Background
Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. With the continuous development of science and technology, the market has higher and higher requirements on the whole speed, the dynamic performance, the cost performance, the portability and the reliability of the electric vehicle. The electric vehicle is an electromechanical integrated vehicle which takes a storage battery as energy and is provided with a motor, a controller, the storage battery, a rotating handle brake handle and other control components and a display instrument system. A plurality of data shows that the electric vehicle is one of the main vehicles in a plurality of countries such as china, or one of the vehicles with the fastest sales number.
However, the battery car is basically powered by a single battery, so that the battery car is difficult to satisfy the endurance. And the car owner is completely unaware of the battery charging time, and the charging performance of the storage battery plays a very important role in prolonging the service life and the service performance of the storage battery, so that the charging time is not understood, the red light is always in power-shortage driving after being lighted, the damage to the storage battery is undoubtedly huge, and for the storage battery, the service life is short every time the power is lost, and a new battery is also scrapped quickly.
For users who have such a charging habit, the electric vehicle often stops running due to no power when the electric vehicle is in a riding state, and particularly when there is no charging point in front of or behind the electric vehicle, the users often need to spend a lot of time and effort to push the electric vehicle back to a place with the charging point for charging.
Disclosure of Invention
Solves the technical problem
Aiming at the problems in the prior art, the invention provides an energy-saving power device of an electric vehicle.
Technical scheme
The invention is realized by the following technical scheme:
the utility model provides an energy-conserving power device of electric motor car, includes motor, energy storage flywheel, main battery, solar panel, solar controller, solar battery and dual power change-over switch, dual power change-over switch with main battery, solar battery are connected respectively, solar controller connects respectively solar panel and solar battery, motor power input end with dual power change-over switch corresponds the connection, the motor output shaft passes through transmission and is connected with the transmission shaft, be provided with on the transmission shaft the energy storage flywheel.
Further, the motor is fixed inside the electric motor car, the equal bilateral symmetry in both sides is fixed with vertical support around the casing of electric motor car, the vertical support top is fixed with the backup pad, the backup pad upper surface is equipped with solar panel, solar panel includes the frame type frame in the outside and fixes the inside solar module of frame type frame.
Furthermore, the frame is rotatably connected with the front side of the upper surface of the supporting plate, the left bottom surface and the right bottom surface of the frame are slidably connected with shaft seats, rotating shafts are rotatably fixed in the shaft seats, the side walls of the rotating shafts are fixed with telescopic rods, and the telescopic rods are vertically fixed on the upper surface of the supporting plate.
Further, tip is fixed with slant decurrent casing before the backup pad, the inside transparent cape that is equipped with of casing, a flexible transparent cape tip is fixed with the connecting block just the connecting block with the inside rear side wall of casing passes through spring coupling, another tip of flexible transparent cape is fixed with closed elasticity rope, the side is fixed with the barb about the electric motor car casing, just elasticity rope hook is hung on the barb.
Furthermore, an overrunning clutch is arranged on the transmission shaft, belt pulleys are arranged on the output shaft of the motor and the transmission shaft, the overrunning clutch is fixedly connected with the transmission wheel in a key mode, and the two belt pulleys are connected through a transmission belt.
Furthermore, the electric vehicle is internally provided with an electric quantity detection chip which is connected with a dual-power supply changeover switch.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
the invention provides an energy-saving power device of an electric vehicle, which can be used for setting up a solar storage battery outside a main storage battery again, wherein a solar panel is used for charging the solar storage battery, when the electric quantity of the main storage battery is used up, a dual-power-supply changeover switch is switched to the solar storage battery, a motor can run by utilizing the stored energy in an energy storage flywheel in the switching process, and the electric vehicle is continuously ridden for a distance by utilizing the electric quantity provided by the solar storage battery after the energy in the energy storage flywheel is used up to find a charging point, so that the effect of being beneficial to riding is achieved, and the energy-saving power device has the advantages.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic side view of an electric vehicle according to the present invention;
FIG. 2 is a schematic view of a battery connection structure according to the present invention;
FIG. 3 is a schematic view of the battery connection of the present invention;
reference numbers in the figures: 1-an electric motor; 2-an energy storage flywheel; 3-a main battery; 4-a solar panel; 5-a solar controller; 6-solar storage battery; 7-a dual power transfer switch; 8-a transmission shaft; 9-an electric vehicle; 10-a vertical support; 11-a support plate; 12-a frame; 13-shaft seat; 14-a telescopic rod; 15-a housing; 16-telescoping transparent cloak; 17-connecting blocks; 18-a spring; 19-an elastic cord; 20-barbs; 21-an overrunning clutch; 22-a belt pulley; 23-Transmission belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Embodiment 1, combine fig. 1, an energy-conserving power device of electric motor car, including motor 1, energy storage flywheel 2, main storage battery 3, solar panel 4, solar controller 5, solar storage battery 6 and dual power change-over switch 7, dual power change-over switch 7 and main storage battery 3, solar storage battery 6 is connected respectively, solar controller 5 connects solar panel 4 and solar storage battery 6 respectively, motor 1 power input end corresponds with dual power change-over switch 7 and is connected, motor 1 output shaft passes through transmission and is connected with transmission shaft 8, be provided with energy storage flywheel 2 on the transmission shaft 8.
According to the invention, a solar storage battery 6 can be set outside a main storage battery 3 again, the solar panel 6 is used for charging the solar storage battery 6, when the electric quantity of the main storage battery 3 is used up, a dual-power-supply change-over switch 7 is switched to the solar storage battery 6, the motor 1 can not run in the switching process, the motor 1 can run by utilizing the stored energy in the energy storage flywheel 2, and the electric vehicle 9 can be continuously ridden for a distance by utilizing the electric quantity provided by the solar storage battery 6 after the energy in the energy storage flywheel 2 is used up to find a charging point, so that the riding effect is facilitated, and the solar energy-saving and environment-friendly effects are achieved.
Further, motor 1 is fixed inside electric motor car 9, and the equal bilateral symmetry in both sides is fixed with vertical support 10 around the casing of electric motor car 9, and vertical support 10 top is fixed with backup pad 11, and 11 upper surfaces in backup pad are equipped with solar panel 4, and solar panel 4 includes the frame type frame 12 in the outside and fixes the solar module in frame type frame 12 inside. The frame 12 is rotatably connected with the front side of the upper surface of the support plate 11, the bottom surfaces of the left side and the right side of the frame 12 are slidably connected with a shaft seat 13, a rotating shaft is rotatably fixed in the shaft seat 13, the side wall of the rotating shaft is fixed with a telescopic rod 14, and the telescopic rod 14 is vertically fixed on the upper surface of the support plate 11.
By stretching the telescopic rod 14, the inclination angle of the solar panel 4 can be adjusted, and simultaneously, the rotating shaft rotates, and the shaft seat 13 slides back and forth on the bottom surface of the frame-shaped frame 12, so that the solar panel 4 absorbs more energy as much as possible.
Furthermore, a casing 15 which inclines downwards is fixed at the front end of the supporting plate 11, a telescopic transparent cloak 16 is arranged inside the casing 15, a connecting block 17 is fixed at one end of the telescopic transparent cloak 16, the connecting block 17 is connected with the rear side wall inside the casing 15 through a spring 18, a closed elastic rope 19 is fixed at the other end of the telescopic transparent cloak 16, barbs 20 are fixed on the left side and the right side of the casing of the electric vehicle 9, and the elastic rope 19 is hooked on the barbs 20.
When it rains, the retractable transparent canopy 16 can be pulled down to hook the elastic cord 19 to the barb 20 for shielding the weather. When the weather is sunny, the elastic rope 19 is detached, the telescopic transparent cloak 16 retracts backwards under the action of the spring 18, and the elastic rope 19 at the front end of the telescopic transparent cloak 16 is wound on the outer side of the shell 15, so that the telescopic transparent cloak 16 can be prevented from falling.
Furthermore, an overrunning clutch 21 is arranged on the transmission shaft 8, belt pulleys 22 are arranged on the output shaft of the motor 1 and the transmission shaft 8, the overrunning clutch 21 is fixedly connected with a transmission wheel key, and the two belt pulleys 22 are connected through a transmission belt 23. The electric vehicle 9 is internally provided with an electric quantity detection chip which is connected with the dual-power transfer switch 7.
When the electric quantity detection chip detects that the electric quantity of the main storage battery 3 is lower than the preset value, the motor 1 can still rotate at a certain rotating speed at the moment, the transmission shaft 8 rotates under the driving of the transmission belt 23, the electric quantity of the main storage battery 3 is disconnected by the dual-power-supply change-over switch 7, the motor 1 stops running, the energy storage flywheel 2 drives the transmission shaft 8 to automatically output power in the same rotating direction at the moment, the electric vehicle 9 can still maintain the riding state, the power-off state of the motor 1 when the power supply is switched by the dual-power-supply change-over switch 7 for a short time, after the power supply is switched by the dual-power-supply change-over switch.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive or limiting of the specific embodiments of the invention. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. An energy-conserving power device of electric motor car which characterized in that: including motor (1), energy storage flywheel (2), main battery (3), solar panel (4), solar controller (5), solar battery (6) and dual power supply change-over switch (7), dual power supply change-over switch (7) with main battery (3), solar battery (6) are connected respectively, solar controller (5) are connected respectively solar panel (4) and solar battery (6), motor (1) power input end with dual power supply change-over switch (7) correspond the connection, motor (1) output shaft passes through transmission and is connected with transmission shaft (8), be provided with on transmission shaft (8) energy storage flywheel (2).
2. The energy-saving power device of the electric vehicle as claimed in claim 1, wherein: the solar energy solar.
3. The energy-saving power device of the electric vehicle as claimed in claim 2, wherein: the frame (12) is rotatably connected with the front side of the upper surface of the supporting plate (11), the bottom surfaces of the left side and the right side of the frame (12) are slidably connected with a shaft seat (13), a rotating shaft is rotatably fixed in the shaft seat (13), the side wall of the rotating shaft is fixed with a telescopic rod (14), and the telescopic rod (14) is vertically fixed on the upper surface of the supporting plate (11).
4. The energy-saving power device of the electric vehicle as claimed in claim 3, wherein: tip is fixed with slant decurrent casing (15) before backup pad (11), casing (15) inside is equipped with flexible transparent cape (16), flexible transparent cape (16) one end be fixed with connecting block (17) just connecting block (17) with casing (15) inside rear side wall passes through spring (18) and connects, another tip of flexible transparent cape (16) is fixed with closed elasticity rope (19), the side is fixed with barb (20) about electric motor car (9) casing, just elasticity rope (19) hook is in on barb (20).
5. The energy-saving power device of the electric vehicle as claimed in claim 4, wherein: the transmission shaft (8) is provided with an overrunning clutch (21), belt pulleys (22) are arranged on an output shaft of the motor (1) and the transmission shaft (8), the overrunning clutch (21) is fixedly connected with the transmission wheel in a key mode, and the two belt pulleys (22) are connected through a transmission belt (23).
6. The energy-saving power device of the electric vehicle as claimed in claim 5, wherein: the electric vehicle (9) is internally provided with an electric quantity detection chip, and the electric quantity detection chip is connected with the dual-power-supply changeover switch (7).
CN201911018974.1A 2019-10-24 2019-10-24 Energy-saving power device of electric vehicle Pending CN110641609A (en)

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Application publication date: 20200103