CN214189303U

CN214189303U - Electric automobile renewable energy device

Info

Publication number: CN214189303U
Application number: CN202021186569.9U
Authority: CN
Inventors: 丁钰松; 丁永华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-09-14
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an electric automobile renewable energy device, which belongs to the field of electric automobiles; the technical problem to be solved is to provide an electric automobile power device which has simple structure, can charge while driving, greatly improves the endurance mileage, saves batteries and reduces the manufacturing cost and the charging times; the technical scheme for solving the technical problem is as follows: the electric automobile renewable energy device comprises an automobile suspension assembly, a generator, driven wheels, a differential mechanism, a transmission shaft, a clutch, a shifting fork moving rod, a control actuator and a transmitter, wherein at least one group of generators are arranged on the automobile suspension body, a generator stator is made of non-ferrous materials, a small-diameter driving wheel of the generator is connected with a large-diameter driving wheel of the differential mechanism through a transmission device for increasing speed, the clutch and the shifting fork moving rod are arranged on the generator shaft, and the generator can avoid high energy consumption periods during starting and climbing by controlling the actuator, so that the electric quantity of the automobile in running of a main motor of the automobile can be fully recovered in redundant energy large periods, and the automobile can continue driving for a long time.

Description

Electric automobile renewable energy device

Technical Field

The invention discloses an energy source regenerating device for an electric automobile, belongs to the technical field of electric automobiles, and particularly relates to a device for recovering excess energy of the automobile.

Background

At present, a new energy automobile battery pack is large in using amount, high in price, incapable of meeting requirements in endurance capacity, long in charging time and severely limited in development of the electric automobile, a motor of the electric automobile is provided with a speed reducer at present, ultra-high-speed power passes through the speed reducer to achieve the purpose of low speed and large torque, although large torque is achieved, a large amount of electric energy is consumed in conversion, the maximum current and the maximum torque are achieved when the automobile is started, the torque is constant torque and is kept to be about 75km/h of automobile speed, the automobile speed is increased to be constant current, and when the automobile speed is increased to be more than 30km/h gradually after the automobile is started, the current is reduced by 4-6 times. The ultra-large constant torque and the small current indicate that the huge redundant torque energy is wasted during the running of the vehicle, the axle is provided with a high-power generator, the current signal of the main motor is sensed manually or through a current transducer, according to the upper limit value of the working range set by the generator, the actuator controls the clutch to contact or separate, the linked generator avoids the high energy consumption of the large current time period and the climbing time period when the main motor is started, the generator can recover the electric energy in the high-efficiency area under the state of large torque and low current, thereby the vehicle feedbacks a large amount of electric energy, the endurance is greatly improved, the utility model is especially suitable for the flat road condition of the city, in order to recover more electric power, the utility model also improves the generator, greatly reduces the reluctance torque, the reduction of the magnetic field density is limited, the heat generation is extremely small, and the rolling resistance moment of the power generation is greatly reduced through the long small-diameter generator.

Disclosure of Invention

The utility model overcomes prior art exists not enough, provides a low magnetic resistance high efficiency generator and repayment electric energy mode under the big moment low current state of car, retrieves the unnecessary electric energy in the vehicle traveles by a wide margin to improve continuation of the journey mileage greatly, reduce the battery quantity, reduce the car price and the number of times of charging by a wide margin.

In order to solve the technical problems, the invention adopts the technical scheme that: the electric automobile energy regeneration device comprises a vehicle suspension, a generator, a driven wheel, a differential mechanism, a clutch, an axle, a control actuator, a shifting fork rod, a transmitter and a driving wheel, wherein the vehicle driven wheel and the axle are in transmission installation with at least one group of generators on the vehicle suspension, a large-diameter driving wheel at the side of the differential mechanism is in transmission with a small-diameter wheel of the generator through a transmission device, the transmitter is electrically connected with a controller and a low-voltage power supply and is fixed at the output end of a vehicle owner motor controller, the shifting fork rod at the side of the clutch on the shaft of the generator is in power connection with the controller actuator, a generator wire is connected with the input end of a vehicle owner driving motor, and the generator can select high-efficiency feedback electric energy in a large-torque low-current period under the driving of the vehicle.

The generator is characterized in that the generator is of a radial inner rotor type, a stator of the generator is made of high-temperature resistant resin materials and is sleeved in an iron-containing steel pipe barrel, an outer shell of the generator is an aluminum alloy body, and a permanent magnet is fixed on the periphery of a rotor of the generator.

The said features are the generator.

The differential is characterized in that the generator side is connected with a speed increasing box, and a driving gear of the differential drives a transmission gear of the generator.

The differential mechanism is characterized in that a driving wheel of the generator is in transmission with a driving wheel of the differential mechanism through a transmission belt.

The torque beam frame is characterized in that a group of generators and a clutch actuator system are respectively fixed at the left end and the right end of the torque beam frame.

The generator is a brushless synchronous permanent magnet generator or a permanent magnet motor.

The clutch is characterized in that the clutch is various clutches commonly used by vehicles or an electromagnet type clutch.

Compared with the prior art, the invention has the following beneficial effects: 1, set up the resistance when having avoided the permanent magnet magnetic leakage flux of rotor and the operation that silicon steel sheet attracted mutually to cause of iron-free stator, greatly reduced reluctance torque, efficiency is ultrahigh to the organism generates heat extremely lowly, and need not water cooling plant, adopts the interior rotor minor diameter rotor of long shell also to reduce resistance torque by a wide margin and also increased efficiency. 2, the driving wheel of the generator and the driving wheel of the differential can be accelerated by multiple times through a driving belt or a gear acceleration box type transmission, so that the generating efficiency is greatly increased. 3, the generator effectively avoids high-energy time-consuming periods during starting and climbing through the clutch system, and fully recovers redundant energy in the running process of the main motor with large torque, so that the driving mileage of the vehicle is greatly improved, the battery consumption is correspondingly reduced, and the manufacturing cost and the charging times of the vehicle are reduced. And 4, the planetary gear speed increasing box is adopted, so that the volume of the generator is smaller, and the permanent magnets and copper wires are saved.

Drawings

The invention is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic view of the power generating structure by the speed increasing of the driving belt of the present invention.

Fig. 2 is another schematic diagram of the gear speed increasing in the gear box according to the present invention.

Fig. 3 is another embodiment of the present invention, in which 2 sets of generators are disposed on a torsion beam.

Fig. 4 is a schematic diagram of a generator according to the present invention.

In the figure, 1 is a vehicle suspension assembly, 2 is a generator, 3 is a driven wheel, 4 is a differential, 5 is a vehicle axle, 6 is a clutch, 7 is a shifting fork rod, 8 is a control actuator, 9 is a transmitter, 10 is a first speed increasing box, 11 is a transmission wheel, 12 is rotor magnetic steel, 21 is a left generator, 22 is a right generator, 71 is a left shifting fork rod, 72 is a right shifting fork rod, 13 is a transmission belt, 14 is a pinion, 15 is a second speed increasing box, 16 is an electromagnetic clutch, 17 is a resin stator, 18 is an aluminum alloy shell, 19 is an electric push rod, 20 is a ferrous sleeve, and 41 is a liquid cooling circulation through hole.

Detailed Description

Embodiment one, as shown in fig. 1, the renewable energy device of electric vehicle of the utility model comprises a main body part of electric vehicle, a suspension frame assembly 1, a generator 2, a driven wheel 3, a differential mechanism 4, an axle 5, a clutch 6, a shifting yoke 7, a control actuator 8 and a transmitter 9, wherein the driven wheel 3 and left and right axles 5 are connected with the differential mechanism 4 and fixed on a sub-frame of the suspension frame by a bearing seat, a driving wheel at the side of the differential mechanism 4 is connected with a small-diameter driving wheel 11 on the axle of the generator 2 by a driving belt 13, which can increase the speed by several times, the generator is sleeved in the bearing seat and fixed on the suspension frame 1, the generator is provided with the clutch 6, the shifting yoke 7 at the side is connected with the PLC controller fixed on the generator and the control actuator 8 by a sliding rail rack, a limit switch is arranged at the end of the rack, three current transmitters 9 are sleeved in three phase lines of the main motor and fixed on the vehicle body, the transmitter is connected with a low-voltage power supply through a wire and is connected with the PLC, and the three-phase line of the generator is connected with the power end line of the main motor of the vehicle in parallel. The generator can also be connected with a rectifier bridge and then connected with a small number of pool packages.

The working process of the example is as follows:

when the current of the main motor rises rapidly, the current transducer detects that the output current value reaches the upper limit value of the operation area set by the generator (for example, 50A, the power generation range is O-50A), the PLC controller can enable the execution motor to rotate forwards, the shifting fork rod is enabled to move through the sliding rail rack, the flywheel disc of the clutch is separated from the friction disc, the generator does not generate power, and when the current rises along with the rise of the vehicle speed and drops to a lower normal current greatly, the PLC controller controls the actuator to rotate backwards again, the shifting fork rod is driven to enable the clutch to be in contact, the transmission generator generates power, and when the vehicle meets a heavy slope current again and is higher than the set value, the clutch is separated again, so that the power generation during the heavy climbing is avoided, and the power generator can always generate power to charge the vehicle in a high-efficiency area when the vehicle motor has a large torque and a low current.

Second embodiment, as shown in fig. 2, the renewable energy device of electric vehicle of the present invention comprises a main body of electric vehicle, comprising a vehicle suspension assembly 1, a generator 2, a driven wheel 3, a differential 4, an axle 5, a clutch 6, a shifting fork rod 7, a control actuator 8, and a transmitter 9, wherein the driven wheel 3, the left axle 5, and the right axle 5 are connected to a first speed-increasing box 10, the differential 4 is fixed on a subframe of the vehicle suspension assembly 1, a main transmission gear of the differential is engaged with a pinion 14 at the end of the generator 2, so as to increase the speed by several times, the generator axle is sleeved with the clutch 6, the shifting fork rod is arranged at the side thereof, one end of the moving rod pushes a sleeve mechanism, an input line of the main motor is sleeved into the current transmitter 9, the transmitter 9 is a current transmitter, a PLC controller connected to the current transmitter is electrically connected to an electric push rod 19, and a current signal of the motor transmitted from the transmitter can be passed through, when the set upper limit current value is reached, the PLC controller makes the electric push rod telescopic rod extend out to drive the shifting fork moving rod to control the separation of the clutch, so that the generator does not generate electricity, and when the current value is less than the upper limit value, the clutch is contacted with the generator to operate in the section with large torque and low current, thereby effectively feeding back electric energy to ensure that the vehicle has ultra-long endurance,

also, this example is the same as the working process and schematic diagram of example 1.

Third embodiment as shown in fig. 3, the renewable energy device of electric vehicle of the present invention comprises a main vehicle body, a vehicle suspension assembly 1, a left generator 21, a right generator 22, left and right driven wheels 3, a left axle 51, a right axle 52, a left clutch 61, a right clutch 62, a left shift lever 71, a right shift lever 72, a left control actuator 81, a right control actuator 82, and a transmitter 9, wherein the vehicle suspension assembly 1 is a torsion beam type suspension, the left clutch 61 is fixed on the left axle of the torsion beam type suspension, the left shift lever 71 is arranged on the left clutch 61, the left generator 21 is provided with the control actuator 81, the power end thereof is connected with the left shift lever 71, the right generator shaft is connected with the wheels and the main shaft, the right generator shaft is provided with the right clutch 62 and the right shift lever 72 fixed on the suspension, the right generator 22 is fixed with the control actuator 82, the power end of the generator is connected with a right shifting fork moving rod 71, the transmitter 9 is sleeved on an input wire of a main motor, the PLC is electrically connected with the transmitter 9, the end parts of the left generator housing and the right generator housing are connected with a second speed increasing box 15 with a planetary gear structure, and a liquid cooling circulation passage is arranged on the generator housing.

This example also operates as in example 1.

The left and right groups of generators can also be arranged on other various suspensions.

According to the above embodiment the present invention extends to the following features.

The generator 2 shown in fig. 4 is a radial inner rotor type, in which the aluminum alloy housing 18 is an aluminum alloy body with a plurality of slots, the stator 17 is made of non-ferrous material (such as PC lamination, SMC press forming) such as high-strength high-temperature resistant resin like PC, and the like, the periphery of the stator is sleeved on a large-diameter ferrous sleeve 20, the aluminum alloy housing 18 is arranged outside the ferrous sleeve 20, and magnetic steel is fixed on the periphery of the rotor 12. (the advantages are that the magnetic resistance moment is ultra-low, the heating is extremely low, the magnetic density is reduced little, so that the generator can generate electricity at high speed without a water cooling device, and the water cooling device is arranged more efficiently).

The vehicle suspension assembly 1 is either integral, or double wishbone, or McPherson, or multi-link, or torsion beam.

The clutch 6 is various clutches commonly used for vehicles.

The clutch 6 can also be an electromagnetic clutch 16 which is electrically connected with a battery pack, a low-voltage power supply is connected with a controller and a transmitter 9, the shaft end of the generator is connected with a movable disc with a friction plate electromagnetic coil, a flywheel disc is fixed on a vehicle suspension frame through a bearing and a seat, the electromagnetic coil is electrically connected with the controller through an intermediate relay and is electrically connected with the battery pack, and a controller switch connecting frame of the clutch is connected with a driving platform. (i.e. manually electrifying to make the movable disk of the generator attract with the flywheel disk to drive and generate electricity, when the stop button is pressed, the electromagnet disk loses attraction and is separated from the driving flywheel wheel, but does not generate electricity; similarly, the electromagnetic clutch 16, through the starting signal transmitted by the transmitter 9, the PLC controller can electrify or cut off the power to the movable disk, and the power can make the friction disk attract with the flywheel disk, and the driving wheel on the flywheel disk shaft can drive the generator)

The generator side have the second acceleration rate case 15 of planetary gear structure, and be equipped with water-cooling circulation pipeline on the shell. (the efficiency of the generator is greatly improved after the speed is increased and is easy to be used on a multi-stage speed-increasing permanent magnet motor/generator)

And the three-phase electric wire of the generator is directly connected to the three-phase wire of the driving motor of the vehicle owner. (the rectifier bridge is saved, so that the efficiency is higher, the impact on the battery is small, and the generator is rectified by the vehicle owner motor controller and then reversely fed back into the battery pack only when the emitted current is excessive.

In addition, according to the above-mentioned example, the utility model discloses also the switch of manual execution motor makes its action and makes clutch separation or contact transmission, and is same, can make the generator avoid the heavy current when starting and climbing to also can make the generator retrieve the unnecessary energy when the constant moment of big moment and when the fast-speed constant current under the drive of car owner's motor, but the generator is through each mode acceleration rate 2.5 ~ 6 times, and make the electricity generation higher, also can not too much reduce the speed of a motor vehicle, and reach increase duration mileage purpose by a wide margin.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Electric automobile renewable energy device, its characterized in that: the automobile differential mechanism comprises an automobile suspension assembly (1), a generator (2), a driven wheel (3), a differential mechanism (4), an axle (5), a clutch (6), a shifting fork moving rod (7), a control actuator (8) and a transmitter (9), wherein the axle (5) of the driven wheel (3) is connected with the differential mechanism (4) and drives at least one generator (2) through a large-diameter driving wheel on the side of the differential mechanism, the shifting fork moving rod (7) and the clutch (6) are arranged on the axle of the generator (2), the transmitter (9) is sleeved in an input line of a main motor and fixed, the electric connection control actuator (8) and the shifting fork moving rod (7) are connected with the end part of the generator, the clutch (6) on the shaft can be contacted and separated, the generator (2) is connected with the input end part of the automobile main motor through an electric wire and can also be connected with a rectifier and a small number of battery packs, and the clutch can be contacted or separated through a transmitter switching signal, therefore, the generator feeds back electric energy under the large-torque and small-current running state of the motor of the vehicle owner, and avoids large current during starting and climbing, so that the vehicle can continue to run for a long time.

2. The electric vehicle renewable energy device according to claim 1, characterized in that: the generator stator is a resin stator (17), the stator is sleeved in an iron-containing sleeve (20), the outer layer of the generator stator is a multi-groove aluminum alloy shell (18), and magnetic steel (12) is fixed on the periphery of the rotor.

3. The electric vehicle renewable energy device according to claim 1, characterized in that: the vehicle suspension assembly (1) is a double-fork-arm independent suspension assembly, or a torsion beam type suspension assembly, or a Macpherson type suspension assembly, or a multi-link type, or an air suspension assembly, or an integral type assembly.

4. The electric vehicle renewable energy device according to claim 1, characterized in that: the control actuator (8) is a PLC controller and a direct current motor or an electric push rod (19) which are electrically connected.

5. The electric vehicle renewable energy device according to claim 1, characterized in that: the left side and the right side on car suspension assembly (1) set up a set of left generator (21) and right generator (22) that have planetary gear speed-increasing box respectively, establish left clutch (61), left shift fork pole (71), left control executor (81) and changer (9) on the left side generator shaft, establish right clutch (62), right shift fork pole (72), right control executor (82) and changer (9) on the right side generator shaft.

6. The electric vehicle renewable energy device according to claim 1, characterized in that: the transmitter (9) is a current transmitter.

7. The electric vehicle renewable energy device according to claim 1, characterized in that: a pinion (14) in the speed increasing box (10) at the end of the generator (2) is meshed with a driving gear of the differential (4) in the box for speed increasing transmission.

8. The electric vehicle renewable energy device according to claim 1, characterized in that: and a driving wheel (11) of the generator (2) is connected with a large-diameter main driving wheel at the differential side through a driving belt (13).

9. The electric vehicle renewable energy device according to claim 1, characterized in that: the clutch (6) is various clutches commonly used for automobiles, or is an electromagnetic clutch (16), or is separated or contacted by a manual switch.

10. The electric vehicle renewable energy device according to claim 1, characterized in that: the end of the generator (2) is provided with a second speed increasing box (15) of a planetary gear structure, and the shell is provided with a liquid cooling circulation passage system.