CN213261981U - Bearing assembly, energy recovery system and automobile - Google Patents

Abstract

The utility model discloses a bearing assembly, energy recuperation system and car. The bearing assembly comprises a body, a shell, a magnet exciting coil, a communication unit and two electromagnets, wherein the body comprises an outer ring and an inner ring, and the outer ring is sleeved outside the inner ring and can rotate relative to the inner ring. The housing is connected to an axial end of the outer race to define an accommodating space. The excitation coil is arranged in the accommodating space, one end of the excitation coil is connected with the inner ring in an insulating mode, and the other end of the excitation coil is rotatably connected with the shell. The communication assembly comprises a support, an electric brush and an electronic control unit, wherein the electric brush and the electronic control unit are arranged on the support, the support is inserted on the shell so that the electric brush is connected with the magnet exciting coil, and the electronic control unit is connected with the electric brush. Two electromagnets are arranged in the shell and positioned on two opposite sides of the magnet exciting coil, and the two electromagnets are connected with the electronic control unit. According to the utility model discloses a bearing assembly for but energy cyclic utilization saves the electric energy. And the brake device can also play a certain auxiliary role in braking the automobile.

Description

Bearing assembly, energy recovery system and automobile

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a bearing assembly, energy recuperation system and car are related to.

Background

In the technical field of vehicles, an energy recovery device transmits kinetic energy of wheels back to an electric motor through a transmission mechanism such as a half shaft and a speed reducer, the electric motor recovers the energy, and a considerable part of energy to be recovered is lost in the process of energy transmission.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bearing assembly, bearing assembly has energy recuperation, auxiliary brake's advantage.

The utility model provides an energy recovery system, energy recovery system has as above bearing assembly.

The utility model provides an automobile, automobile has as above energy recovery system.

According to the utility model discloses bearing assembly, including body, casing, excitation coil, communication unit and electro-magnet, the body includes outer lane and inner circle, the outer lane cover is established outside the inner circle and with but inner circle relative rotation. The housing is connected with one axial end of the outer ring to define an accommodating space. The excitation coil is arranged in the accommodating space, one end of the excitation coil is connected with the inner ring in an insulating mode, and the other end of the excitation coil is connected with the shell in a rotatable mode. The communication assembly comprises a support, an electric brush and an electronic control unit, wherein the electric brush and the electronic control unit are arranged on the support, the support is inserted on the shell so that the electric brush is connected with the magnet exciting coil, and the electronic control unit is connected with the electric brush. The electromagnet is arranged in the shell and is connected with the electronic control unit.

According to the utility model discloses bearing assembly, through setting up excitation coil and electro-magnet, connect the inner circle on wheel hub, excitation coil insulation is connected to the inner circle, it produces the magnetic field to let the electro-magnet for the electro-magnet circular telegram, wheel hub drives the inner circle, the inner circle drives excitation coil and electro-magnet relative rotation, therefore, excitation coil can produce the electric current, excitation coil and brush are connected, the brush can be with current input storage battery for storage battery charging, thereby can turn into wheel hub pivoted kinetic energy during the electric energy retrieves the storage battery, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly can also hinder excitation coil rotation through magnetic field, and then magnetic field can hinder wheel hub's rotation to can play certain additional action to the braking of car.

In some embodiments, the bearing assembly further includes an insulation bushing provided in the accommodation space, one end of the insulation bushing is connected to one axial end of the inner ring, and one end of the excitation coil is connected to the insulation bushing.

In some embodiments, the insulating bush is sleeved on the inner ring, one end of the insulating bush facing into the accommodating space exceeds one end of the inner ring facing into the accommodating space, and one end of the excitation coil is connected with an end face of the insulating bush facing towards one end of the accommodating space.

In some embodiments, the field coil and the insulating bush are adhesively connected.

In some embodiments, a fixing seat is disposed at an end of the housing away from the outer ring, a rotation hole is disposed in the fixing seat, and the other end of the excitation coil is rotatably disposed in the rotation hole.

In some embodiments, a bearing is provided between the other end of the exciting coil and the inner circumferential wall of the rotation hole.

In some embodiments, the housing is press-fit onto the outer ring.

In some embodiments, the electromagnet is disposed on an inner surface of the housing.

According to the utility model discloses energy recuperation system, include as above bearing assembly and storage battery, the storage battery with the brush with the electronic control unit is connected.

According to the utility model discloses energy recovery system, through setting up excitation coil and electro-magnet, connect the inner circle on wheel hub, excitation coil insulation is connected to the inner circle, it produces the magnetic field to let the electro-magnet for the electro-magnet circular telegram, wheel hub drives the inner circle, the inner circle drives excitation coil and electro-magnet relative rotation, therefore, excitation coil can produce the electric current, excitation coil and brush are connected, the brush can be with electric current input storage battery for storage battery charging, thereby can be with in wheel hub pivoted kinetic energy turns into the electric energy and retrieves the storage battery, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly can also hinder excitation coil rotation through magnetic field, and then magnetic field can hinder wheel hub's rotation to can play certain additional action to the braking of car.

According to the utility model discloses car, include the frame, as above energy recuperation system, wheel hub, brake pedal and automobile body electron stable system, energy recuperation system establishes on the frame, wheel hub establishes on the frame, the other end of inner circle with wheel hub connects, brake pedal establishes on the frame, brake pedal with the ecu connects, automobile body electron stable system establishes on the frame, and with the ecu connects.

According to the utility model discloses car, through setting up excitation coil and electro-magnet, connect the inner circle on wheel hub, excitation coil insulation is connected to the inner circle, it produces the magnetic field to let the electro-magnet for the electro-magnet circular telegram, wheel hub drives the inner circle, the inner circle drives excitation coil and electro-magnet and rotates relatively, from this, excitation coil can produce the electric current, excitation coil and brush are connected, the brush can be with electric current input storage battery for storage battery charging, thereby can turn into the electric energy with wheel hub pivoted kinetic energy and retrieve the storage battery in, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly can also hinder excitation coil rotation through magnetic field, and then magnetic field can hinder wheel hub's rotation to can play certain additional action to the braking of car.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a bearing assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of another angular configuration of a bearing assembly according to an embodiment of the present invention;

fig. 4 is a partially enlarged view at B in fig. 3.

Reference numerals:

in the bearing assembly 1000, the bearing assembly is,

a body 100, an outer race 110, an inner race 120,

a housing 200, an accommodating space 210, a fixing seat 220, a rotation hole 221, a bearing 700,

the excitation coil 300 is provided with a coil holder,

the communication component 400 is a component of the communication,

electromagnet 500, insulating bush 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A bearing assembly 1000, an energy recovery system and a vehicle according to embodiments of the present invention are described below with reference to fig. 1-4. It should be noted that the energy recovery system includes the bearing assembly 1000, and bearing assembly 1000 is connected to the frame partly, and part is connected to the wheel hub, and the energy recovery system can retrieve the energy of wheel hub rotation and store to the storage battery when the car brakes.

As shown in fig. 1 to 4, a bearing assembly 1000 according to an embodiment of the present invention includes a body 100, a housing 200, a field coil 300, a communication assembly 400, and an electromagnet 500. The electromagnet 500 is powered to generate a magnetic field, and the exciting coil 300 rotates in the magnetic field to generate a current.

Specifically, referring to fig. 1-2, the body 100 includes an outer ring 110 and an inner ring 120, the outer ring 110 is sleeved outside the inner ring 120 and is rotatable relative to the inner ring 120, wherein the outer ring 110 may be fixedly connected to a frame of an automobile, the inner ring 120 may be fixedly connected to a hub of the automobile, and when the hub rotates, the inner ring 120 may rotate along with the hub. The shell 200 is connected with one axial end of the outer ring 110, therefore, the shell 200 can be fixed on a frame along with the outer ring 110, the shell 200 and the outer ring 110 can define a containing space 210, the exciting coil 300 is arranged in the containing space 210, one end of the exciting coil 300 is in insulated connection with the inner ring 120, so that current in the exciting coil 300 does not flow to the inner ring 120, the situation that the automobile is in danger due to the fact that the inner ring 120 and a hub are electrified can be avoided, the other end of the exciting coil 300 is rotatably connected with the shell 200, therefore, the exciting coil 300 can rotate together with the inner ring 120 and has no current conduction, so that the exciting coil 300 and the outer ring 110 can rotate relatively, and.

The communication assembly 400 includes a bracket, a brush, and an electronic control unit that can be electrically connected to the vehicle computer control system bus, whereby the electronic control unit can receive signals from the vehicle computer control system bus and can transmit signals to the vehicle computer control system bus. The brushes and the electronic control unit are provided on a bracket, which is inserted on the housing 200 to connect the brushes with the exciting coil 300, and the electronic control unit is connected with the brushes. As shown in fig. 3 to 4, the electromagnet 500 is disposed in the housing 200, the electromagnet 500 may be one or a plurality of electromagnets 500, and a plurality of electromagnets 500 may be spaced apart in the circumferential direction of the housing 200 and surround the excitation coil 300, and since the excitation coil 300 may rotate relative to the housing 200, the excitation coil 300 may rotate relative to the electromagnet 500, and the electromagnet 500 is connected to the electronic control unit.

It should be noted that, when the automobile is running normally, the signal is transmitted to the bus of the automobile computer control system, the bus of the automobile computer control system transmits the signal to the electronic control unit, the electronic control unit can control the battery charging circuit to be disconnected according to the information of normal running of the automobile, and the electronic control unit can control the small current to be input to the electromagnet 500, so that the electromagnet 500 can generate a weaker magnetic field, when the automobile is running normally, the hub rotates to drive the inner ring 120 to rotate, the excitation coil 300 and the inner ring 120 rotate together, the shell 200 and the outer ring 110 are fixed on the frame together, the excitation coil 300 and the inner ring 120 can rotate relative to the shell 200 and the outer ring 110, the electromagnet 500 is arranged in the shell 200 and located at two opposite sides of the excitation coil 300, therefore, the excitation coil 300 can rotate relative to the electromagnet 500, and rotate in the weaker, the exciting coil 300 transmits a current to the brush by being connected to the brush, and the brush is connected to the electronic control unit so that the electronic control unit can recognize the magnitude of the current on the brush, so that the current wheel speed can be calculated.

When the automobile is braked, signals are also transmitted to an automobile computer control system bus, the automobile computer control system bus transmits the signals to an electronic control unit, the electronic control unit can control the conduction of a battery charging circuit according to the information of the automobile brake, and can control the input of large current to the electromagnet 500, so that the electromagnet 500 can generate a strong magnetic field, when the automobile is braked, a hub rotates to drive the inner ring 120 to rotate, the magnet exciting coil 300 and the inner ring 120 rotate together, the shell 200 and the outer ring 110 are fixed on a frame together, the magnet exciting coil 300 and the inner ring 120 can rotate relative to the shell 200 and the outer ring 110, the electromagnet 500 is arranged in the shell 200 and positioned at two opposite sides of the magnet exciting coil 300, therefore, the magnet exciting coil 300 can rotate relative to the electromagnet 500, and the rotation in the strong magnetic field can generate large current in, the exciting coil 300 transmits current to the brush by being connected to the brush.

On one hand, the electric brush is connected with the electronic control unit, so that the electronic control unit can identify the current on the electric brush, and the current wheel speed can be calculated; on the other hand, the electric brush can be connected to a storage battery charging circuit, so that current flows to the storage battery to charge the storage battery. Therefore, when the automobile brakes, the rotation of the wheel hub can be recovered to the battery in the form of current. Moreover, when a large current is applied to the electromagnet 500, the magnetic field generated by the electromagnet 500 is strong, the strong magnetic field has a large effect of hindering the rotation of the excitation coil 300, and since the excitation coil 300 and the inner ring 120 rotate together with the hub, the strong magnetic field can hinder the rotation of the hub, thereby playing a certain auxiliary role in braking the automobile.

In the related art, the energy recovery device transfers the kinetic energy of the wheel back to the electric motor through the transmission mechanism such as the half shaft and the speed reducer, and the electric motor recovers the energy, and a considerable part of the energy to be recovered is lost in the process of transferring the energy.

And according to the utility model discloses bearing assembly 1000, through setting up excitation coil 300 and electro-magnet 500, connect inner circle 120 on wheel hub, excitation coil 300 insulation is connected to on the inner circle 120, it lets electro-magnet 500 produce magnetic field to energize for electro-magnet 500, wheel hub drives inner circle 120, inner circle 120 drives excitation coil 300 and rotates for electro-magnet 500, therefore, excitation coil 300 can produce the electric current, excitation coil 300 is connected with the brush, the brush can be with electric current input storage battery for storage battery charging, thereby can turn into wheel hub pivoted kinetic energy during the electric energy retrieves the storage battery, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly 1000 can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly 1000 can also rotate excitation coil 300 through magnetic field and hinder, and then magnetic field can hinder wheel hub's rotation to can play certain additional act to the braking of car.

In some embodiments of the present invention, as shown in fig. 3 to 4, the bearing assembly 1000 further includes an insulation bushing 600, the insulation bushing 600 is disposed in the accommodating space 210, one end of the insulation bushing 600 is connected to one axial end of the inner ring 120, and one end of the excitation coil 300 is connected to the insulation bushing 600. From this, insulating bush 600 can be connected inner circle 120 and excitation coil 300 insulation for excitation coil 300's electric current can flow more to the brush, and then flow to storage battery charging circuit, on the one hand, can avoid electric current to flow to inner circle 120, wheel hub to make the car dangerous, and more electric current flow to the storage battery on the other hand can increase the storage battery to the recovery volume of electric energy, improves recovery efficiency.

According to some embodiments of the present invention, referring to fig. 3-4, the insulation bushing 600 is sleeved on the inner ring 120, thereby, the insulation bushing 600 can be reliably fixed on the inner ring 120, one end of the insulation bushing 600 facing the accommodating space 210 exceeds one end of the inner ring 120 facing the accommodating space 210, one end of the excitation coil 300 is connected with the end face of the insulation bushing 600 facing one end of the accommodating space 210, thereby, the excitation coil 300 can be stably fixed on the insulation bushing 600, one end of the insulation bushing 600 facing the accommodating space 210 exceeds one end of the inner ring 120 facing the accommodating space 210, so that the excitation coil 300 is far away from the inner ring 120, thereby improving the reliability of insulation between the excitation coil 300 and the inner ring 120. Further, the exciting coil 300 and the insulating bush 600 are adhesively connected, whereby the reliability of the connection of the exciting coil 300 and the insulating bush 600 can be improved. It should be noted that the insulating bush 600 is sleeved on the inner ring 120 and fixedly connected with the inner ring 120 so as to rotate synchronously with the inner ring 120, the excitation coil 300 is bonded on the insulating bush 600 and also can rotate synchronously with the inner ring 120, and the bonded connection of the excitation coil 300 and the insulating bush 600 can reduce the possibility that the bearing assembly 1000 fails because the excitation coil 300 is separated from the insulating bush 600, so that the service life of the bearing assembly 1000 can be prolonged.

In some embodiments of the present invention, as shown in fig. 1-2, a fixing seat 220 is disposed at an end of the casing 200 away from the outer ring 110, a rotating hole 221 is disposed in the fixing seat 220, and the other end of the excitation coil 300 is rotatably disposed in the rotating hole 221. Thus, the fixing base 220 may provide a setting environment for the rotation hole 221, and the rotation hole 221 may support the other end of the excitation coil 300, so that the excitation coil 300 may rotate with the inner ring 120 relative to the housing 200 and the electromagnet 500.

According to some embodiments of the present invention, referring to fig. 1-2, a bearing 700 is disposed between the other end of the excitation coil 300 and the inner peripheral wall of the rotation hole 221, so that the bearing 700 can reduce the friction force between the excitation coil 300 and the rotation hole 221, thereby facilitating the relative rotation between the excitation coil 300 and the rotation hole 221.

According to some embodiments of the utility model, casing 200 pressure equipment is on outer lane 110, therefore, casing 200 can be connected reliably with outer lane 110, can avoid casing 200 to throw off with outer lane 110 and make casing 200 and outer lane 110 rotate relatively, and then can avoid the electro-magnet 500 on the casing 200 and outer lane 110 to rotate relatively, make excitation coil 300 and electro-magnet 500 do not have relative rotation, excitation coil 300 and electro-magnet 500 relative rotation can make bearing assembly 1000 can turn into the electric energy that charges to the storage battery with wheel hub pivoted kinetic energy, therefore, casing 200 can reduce the possibility that bearing assembly 1000 became invalid with outer lane 110's reliable connection, be favorable to prolonging bearing assembly 1000's life.

In some embodiments of the present invention, as shown in fig. 1-2, the electromagnet 500 is disposed on the inner surface of the housing 200, so that the exciting coil 300 can rotate in the magnetic field generated by the electromagnet 500, and the exciting coil 300 can generate current.

According to the utility model discloses energy recuperation system, including as above bearing assembly 1000 and storage battery, the storage battery is connected with brush and electronic control unit. The electric brush can transmit the current generated by the magnet exciting coil 300 to the storage battery, and the electronic control unit can control the on-off of a storage battery charging circuit. When the automobile normally runs, the electronic control unit controls the disconnection of the battery charging circuit; when the automobile brakes, the electronic control unit can control the conduction of the charging circuit of the storage battery, and at the moment, the electric brush can transmit the current generated by the magnet exciting coil 300 to the storage battery.

According to the utility model discloses energy recovery system, through setting up excitation coil 300 and electro-magnet 500, connect inner circle 120 on wheel hub, excitation coil 300 insulation is connected to on the inner circle 120, it lets electro-magnet 500 produce magnetic field to energize for electro-magnet 500, wheel hub drives inner circle 120, inner circle 120 drives excitation coil 300 and rotates for electro-magnet 500, therefore, excitation coil 300 can produce the electric current, excitation coil 300 is connected with the brush, the brush can be with electric current input storage battery for storage battery charging, thereby can turn into wheel hub pivoted kinetic energy during electric energy retrieves the storage battery, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly 1000 can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly 1000 can also rotate excitation coil 300 through magnetic field and hinder, and then magnetic field can hinder wheel hub's rotation to can play certain additional act to the braking of car.

According to the utility model discloses automobile, which comprises a vehicle rack, as above energy recovery system, wheel hub, brake pedal and automobile body electron stable system, energy recovery system establishes on the frame, wheel hub establishes on the frame, the other end and the wheel hub of inner circle 120 are connected, brake pedal establishes on the frame, brake pedal is connected with the electronic control unit, wherein, brake pedal can send brake signal, brake signal can be transmitted to on the vehicle computer control system bus, vehicle computer control system bus gives the electronic control unit with signal transmission, therefore, the electronic control unit can give switching on of storage battery charging circuit according to brake signal control. The electronic vehicle body stabilizing system is arranged on the vehicle frame and connected with the electronic control unit, and it should be noted that the electronic vehicle body stabilizing system can analyze the current wheel speed information of the vehicle fed back by the electronic control unit and then send a deviation rectifying instruction to an anti-lock braking system and the like to help the vehicle maintain dynamic balance and vehicle body stability.

According to the utility model discloses the car, through setting up excitation coil 300 and electro-magnet 500, connect inner circle 120 on wheel hub, excitation coil 300 insulation is connected to on the inner circle 120, it lets electro-magnet 500 produce magnetic field to energize for electro-magnet 500, wheel hub drives inner circle 120, inner circle 120 drives excitation coil 300 and rotates for electro-magnet 500, therefore, excitation coil 300 can produce the electric current, excitation coil 300 is connected with the brush, the brush can charge for the storage battery with the electric current input storage battery, thereby can turn into wheel hub pivoted kinetic energy into during the electric energy retrieves the storage battery, can make energy cyclic utilization, can save the electric energy. Moreover, the utility model discloses a bearing assembly 1000 can also calculate current wheel speed through the electronic control unit. Moreover, the utility model discloses a bearing assembly 1000 can also rotate excitation coil 300 through magnetic field and hinder, and then magnetic field can hinder wheel hub's rotation to can play certain additional act to the braking of car.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A bearing assembly, comprising:

the body comprises an outer ring and an inner ring, wherein the outer ring is sleeved outside the inner ring and can rotate relative to the inner ring;

a housing connected with an axial end of the outer ring to define an accommodating space;

the excitation coil is arranged in the accommodating space, one end of the excitation coil is in insulated connection with the inner ring, and the other end of the excitation coil is rotatably connected with the shell;

the communication assembly comprises a support, an electric brush and an electronic control unit, wherein the electric brush and the electronic control unit are arranged on the support, the support is inserted on the shell so that the electric brush is connected with the excitation coil, and the electronic control unit is connected with the electric brush;

the electromagnet is arranged in the shell and is connected with the electronic control unit.

2. The bearing assembly of claim 1, further comprising:

the insulating bush is arranged in the accommodating space, one end of the insulating bush is connected with one axial end of the inner ring, and one end of the magnet exciting coil is connected with the insulating bush.

3. The bearing assembly of claim 2, wherein the insulating bush is fitted over the inner ring, an end of the insulating bush facing into the accommodating space extends beyond an end of the inner ring facing into the accommodating space, and an end of the excitation coil is connected to an end face of the insulating bush facing toward the end of the accommodating space.

4. The bearing assembly of claim 3, wherein the field coil and the insulating bush are adhesively connected.

5. The bearing assembly of claim 1, wherein an end of the housing remote from the outer race is provided with a fixed seat, a rotation hole is provided in the fixed seat, and the other end of the field coil is rotatably provided in the rotation hole.

6. The bearing assembly according to claim 5, wherein a bearing is provided between the other end of the field coil and an inner circumferential wall of the rotation hole.

7. The bearing assembly of claim 1, wherein the housing is press-fit onto the outer race.

8. A bearing assembly according to claim 1, wherein the electromagnet is provided on an inner surface of the housing.

9. An energy recovery system, comprising:

the bearing assembly of any of claims 1-8;

and the storage battery is connected with the electric brush and the electronic control unit.

10. An automobile, comprising:

a frame;

the energy recovery system of claim 9, said energy recovery system being provided on said frame;

the wheel hub is arranged on the frame, and the other end of the inner ring is connected with the wheel hub;

the brake pedal is arranged on the frame and is connected with the electronic control unit;

and the electronic vehicle body stabilizing system is arranged on the vehicle frame and is connected with the electronic control unit.

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