CN221042409U

CN221042409U - Stator, motor, hollow motor, generator and electric vehicle

Info

Publication number: CN221042409U
Application number: CN202322446482.0U
Authority: CN
Inventors: 杨培应
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-10
Filing date: 2023-09-10
Publication date: 2024-05-28
Anticipated expiration: 2033-09-10

Abstract

The utility model discloses a motor stator, a motor, a hollow motor, a generator and an electric vehicle, and belongs to the technical field of motors; according to the utility model, the plurality of mounting through holes are formed in the stator, and the conductive modules are respectively arranged in each mounting through hole, each conductive module comprises the hollow conductive block and the permanent magnet block, each conductive module comprises the hollow conductive block, the hollow conductive block reduces the steps of winding the coil on the stator, the manufacturing flow of the motor is saved, the cost is saved, and meanwhile, the assembly and the later disassembly of workers are also facilitated; the electric module comprises a hollow copper block and a permanent magnet, wherein the hollow copper block replaces an insulated conductor, namely a coil, the hollow copper block can save the coils which emerge from two ends of the stator, the manufacturing cost of the motor is reduced again, the magnetic field generated by the permanent magnet is overlapped with the magnetic field generated by the hollow copper block, the magnetic field on the stator is enhanced, and the work of the motor is improved.

Description

Stator, motor, hollow motor, generator and electric vehicle

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a stator, a motor, a hollow motor generator and an electric vehicle.

Background

An electric vehicle (BEV) is a vehicle that uses a vehicle-mounted power supply as power and uses a motor to drive wheels to run, and meets various requirements of road traffic and safety regulations. The working principle is that a storage battery, current, a power regulator, a motor, a power transmission system and a driving automobile run (Road). The motor is a device for converting electric energy into mechanical energy, and the motor is divided into a direct current motor and an alternating current motor according to different power sources, and most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotor and the stator of the motor do not rotate at synchronous speed). A generator is a device for converting mechanical energy into electric energy, and is installed in a power plant, and is divided into a direct current generator and an alternating current generator according to the power source used, and most of the generators in an electric power system are alternating current motors and synchronous motors (the rotor of the motor and the stator rotate at the same speed).

The existing generator and motor stator are overlapped into a cylinder by adopting silicon steel sheets, a plurality of grooves are formed in the inner wall of the cylinder, then the coils are arranged in the grooves, as the motor is used for a long time, the coils arranged in the stator are aged or damaged by other factors, the coils need to be replaced, because the coils are wound in the stator grooves and are fixed through insulating paint treatment, the damaged coils need to be taken out from the stator in the process of replacing the coils, new coils are arranged in series, namely, the adjacent coils are arranged at intervals, the replacement is inconvenient, the stator is easy to damage in the process of disassembling the coils, and a plurality of insulating conductors are arranged at the two ends, so that the use cost is high. The inventors of the present document found in the study that: the coil is replaced by the conductive block, so that more copper wires at two ends of the stator can be effectively saved, and meanwhile, the assembly and the disassembly of workers are facilitated; the magnet is added in the coil, so that the magnetic field inside the motor stator is easily improved, and further the working efficiency of the motor is improved. For this reason, the present inventors have improved this structure.

Disclosure of utility model

The utility model aims to provide a stator, a motor, a hollow motor generator and an electric vehicle, which are used for solving the problems of inconvenient assembly and maintenance of the motor, poor acting performance effect and poor cruising mileage effect of the electric vehicle in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a stator, the stator comprising:

The mounting through holes are uniformly distributed around the axis of the stator;

The conductive module is arranged in the installation through hole, matched with the installation through hole and detachably arranged in the installation through hole.

The conductive module includes:

And the conductive medium is arranged in the mounting through hole.

The conductive medium is a conductive block.

The conductive block is a copper block, preferably a hollow copper block.

The conductive module further includes:

An exciting magnetic field is installed in the installation through hole, and the exciting magnetic field is spaced apart from the conductive medium.

The exciting magnetic field is a permanent magnet.

And the conductive medium is provided with a conductive column.

The stator includes:

Annular electric connection cover plates are arranged at two ends of the stator;

The cylindrical electric connecting pieces are uniformly distributed around the axis of the annular electric connecting cover plate, and the conductive columns are inserted into the cylindrical electric connecting pieces;

The connecting wire is arranged in the annular electric connecting cover plate and is mutually spliced with the cylindrical electric connecting piece.

The utility model also provides an electric machine comprising a rotor mounted in the stator described in the foregoing.

The utility model also provides a hollow motor comprising:

The rotor is a hollow circular ring and is arranged in the stator.

And the magnetic poles are axially distributed around the hollow circular ring.

The utility model also provides a generator, and the stator in the above is arranged on the generator.

The utility model also provides an electric vehicle, and the motor mounted on the electric vehicle.

Compared with the prior art, the utility model has the following advantages:

According to the utility model, the plurality of mounting through holes are formed in the stator, the conductive modules are respectively mounted in each mounting through hole, each conductive module comprises the hollow conductive block and the permanent magnet block, each conductive module comprises the hollow conductive block, the hollow conductive block reduces the steps of winding the coil on the stator, the manufacturing flow of the motor is saved, the cost is saved, and meanwhile, the assembly and the later disassembly of workers are also facilitated.

The conductive module provided by the utility model comprises the hollow copper block and the permanent magnet, wherein the hollow copper block replaces an insulated conductor, namely a coil, so that coils which emerge from two ends of a stator can be saved, the manufacturing cost of the motor is reduced again, the magnetic field generated by the permanent magnet is overlapped with the magnetic field generated by the hollow copper block, the magnetic field on the stator is enhanced, and the work of the motor is improved.

According to the motor provided by the utility model, the stator is arranged on the motor, and the rotor is arranged in the stator, so that the stator is improved and arranged on the motor, and the working efficiency of the motor is improved.

According to the generator disclosed by the utility model, the stator is arranged on the generator, and the rotor is arranged in the stator, so that the working efficiency of the generator is improved due to the fact that the stator is improved and arranged on the generator.

According to the electric vehicle provided by the utility model, the motor is arranged on the electric vehicle, and the stator in the motor is improved, so that the working efficiency of the electric vehicle is improved, and meanwhile, the endurance mileage of the electric vehicle can be effectively improved.

Drawings

FIG. 1 is a schematic diagram of a stator according to the present utility model;

FIG. 2 is a second schematic diagram of a stator according to the present utility model;

FIG. 3 is a third schematic illustration of a stator according to the present utility model;

FIG. 4 is a schematic view of a ring-shaped electrical connection cover plate of the present utility model;

FIG. 5 is a schematic diagram of a conductive block of the present utility model;

FIG. 6 is a schematic diagram of a hollow conductive block of the present utility model;

FIG. 7 is a schematic view of a permanent magnet of the present utility model;

FIG. 8 is a schematic diagram of an electric motor according to the present utility model;

FIG. 9 is a schematic diagram of an electric motor of the present utility model;

FIG. 10 is a schematic view of a hollow motor of the present utility model;

Fig. 11 is a schematic view of a hollow rotor of the present utility model.

In the figure, a cover plate is electrically connected in a ring shape, a conductive column is arranged in the ring shape, a stator is arranged in the ring shape, a mounting through hole is arranged in the ring shape, and the permanent magnet is arranged in the ring shape.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 3, the stator 3 comprises an annular member on which mounting through holes 4 are provided, the mounting through holes 4 being uniformly distributed around the axis of the annular member; the conductive module is arranged in the mounting through hole 4, matched with the mounting through hole 4 and detachably arranged in the mounting through hole 4; the conductive module replaces an insulated conductor in the prior art, the insulated conductor is a coil with turns or a flat wire, the process and steps of winding the coil on the stator 3 are reduced, the manufacturing flow of the motor is saved, the coils at two ends of the stator 3 are also saved, the cost is saved, and the assembly and the later maintenance of workers are facilitated.

The annular component is formed by overlapping annular silicon steel sheets, the installation through holes 4 are fan rings, the installation through holes 4 are processed on the annular silicon steel sheets while the single-layer annular component is manufactured, and the installation through holes 4 are arranged into the fan rings and are used for reasonably using the space area on the annular component, namely, the area on the annular component is reasonably used in the space form of the fan rings, so that waste is avoided or the area is not fully used; since the mounting through holes 4 on the stator 3 are arranged at a circumferential angle, the mounting through holes 4 machined on the annular component select a fan ring structure, and the space area on the annular component can be effectively and reasonably used.

As shown in fig. 5 to 7, the conductive module includes a conductive medium installed in the installation through hole 4 as described above, and an outer contour of the conductive medium is matched with the installation through hole 4 and detachably disposed in the installation through hole 4 and installed in an insulating manner. The conductive medium is made of conductive medium materials, namely materials capable of inputting current to generate a magnetic field, different conductive medium materials can be arranged according to the working requirement of the motor, the conductive medium materials preferably adopt conductive blocks 5, namely copper blocks, the copper blocks adopt hollow copper blocks, and the hollow copper blocks can effectively save copper materials according to the skin effect principle.

As shown in fig. 7, the conductive module further includes an exciting magnetic field, the exciting magnetic field is also installed in the installation through hole 4, the outer contour of the exciting magnetic field is matched with the installation through hole 4 and is detachably arranged in the installation through hole 4, the exciting magnetic field is a permanent magnet, the permanent magnet is arranged at intervals with the hollow copper block, the magnetic field generated by the input current of the hollow copper block and the magnetic field of the permanent magnet are overlapped with each other to enhance the magnetic field on the stator 3, which is beneficial to improving the working efficiency of the motor, and as the number of the permanent magnets in the installation through hole 4 increases, the number of the hollow copper blocks used is reduced, and the current input by the reduction of the number of the hollow copper blocks is also reduced; after the magnetic field generated by the permanent magnet and the magnetic field generated by the hollow copper block are mutually overlapped, the generated magnetic field can save electricity while meeting the requirement of the motor for acting.

As shown in fig. 2 to 3, the stator 3 is provided with a mounting through hole 4, a conductive module is disposed in the mounting through hole 4, the conductive module includes a conductive block 5 and a permanent magnet 6, and the layout manner of the conductive block 5 and the permanent magnet 6 on the stator 3 is as follows: a, installing conductive blocks 5 in the installation through holes 4, wherein the two ends of the conductive blocks 5 are respectively provided with conductive columns 2, and the conductive columns 2 are mutually connected in series through leads, so that the electric connection between the conductive blocks 5 is further completed, and the electric connection with an external power supply is completed; b, the conducting blocks 5 and the permanent magnets 6 are arranged in the stator mounting through holes 4, the permanent magnets 6 and the conducting blocks 5 are arranged at intervals, the conducting columns 2 are connected in series through leads, the electric connection between the conducting blocks 5 is further completed, the electric connection of an external power supply is further completed, and the design is convenient for controlling the power of the motor, namely controlling the acting size of the motor, namely realizing the control of the acting size of the motor through the layout mode of the conducting blocks 5 and the permanent magnets 6 on the stator 3.

As shown in fig. 3, the conductive blocks 5 or the permanent magnets 6 are installed in the installation through holes 4 according to the needs of the motor, wherein the electrical connection mode between the conductive blocks 5 is the prior art, that is, the series connection mode of insulated conductors on the stator of the motor in the prior art, and the purpose of completing the power supply to the insulated conductors or flat wires in the grooves of the stator and the conductive blocks 5 in the installation through holes 4 on the stator 3 is achieved. The understanding is facilitated with reference to the following websites: https:// www.docin.com/p-324494312.Html.

Furthermore, the conductive blocks 5 and the permanent magnets 6 can be obliquely arranged in the mounting through holes 4, namely the mounting through holes 4 on the stator 3 can be obliquely arranged, the current and the voltage used by the obliquely arranged hollow conductive blocks 5 are stable, the obliquely arranged hollow conductive blocks 5 enable the current to be sine waves, harmonic waves generated when the motor works are reduced, working efficiency of the motor is improved, and vibration force generated when the motor works is reduced; please refer to the number: 202321984589.4, a stator, motor, generator, techniques are provided.

As shown in fig. 4, the stator 3 is further provided with an annular electric connection cover plate 1, the annular electric connection cover plate 1 is installed at two ends of the stator 2, a plurality of cylindrical electric connectors are arranged on the annular electric connection cover plate 1, the plurality of cylindrical electric connectors are evenly distributed around the axis of the annular electric connection cover plate 1, one end of each cylindrical electric connector extends into the annular electric connection cover plate 1, the other end of each cylindrical electric connector is parallel to the surface of the annular electric connection cover plate 1, connecting wires are arranged inside the annular electric connection cover plate 1, the connecting wires are used for completing electric connection between the cylindrical electric connectors on the annular electric connection cover plate 1, the conductive columns 2 on the conductive blocks 5 are inserted into the cylindrical electric connectors, the electric connection between the conductive blocks 5 and the outside is completed, and because the coils at the end parts of the stator 3 have no help to motor power and only have the function of connection, extra electric loss can be generated, so that the annular electric connection cover plate 1 provided in this embodiment completes electric connection between the conductive blocks 5, and the coils at two ends of the stator 3 are saved.

Further, as shown in fig. 4, the annular electric connection cover plate 1 located at the upper part of the stator 3 is further provided with a conductive column 2, one end of the conductive column 2 extends into the annular electric connection cover plate 1 and is electrically connected with a connecting wire, the other end of the conductive column is connected with an external power supply, and the arrangement is convenient to be electrically connected with the external power supply, and meanwhile, more coils at two ends of the stator 3 are saved.

Further, a plurality of coils are arranged at two ends of the stator in the prior art, the coil which is arranged at two ends of the stator 3 can be effectively saved by adopting the conductive block 5 and the annular electric connection cover plate 1, namely, copper wires are saved by completing the electric connection between the conductive block 5 and an external power supply through the matching of the conductive column 5, the conductive block 2 and the annular electric connection cover plate 1, and the connection is completed through the plurality of coils at two ends in the prior art, so that a plurality of copper wires can be wasted.

Further, as shown in fig. 2 and 5, the conductive blocks 5 are disposed in the mounting through holes 4 according to the power requirement of the motor, that is, the number of the conductive blocks 5 is set according to the requirement. The stator 3 is provided with 24 mounting through holes 4, and only the required number of conductive blocks 5 are required to be mounted in the 24 mounting through holes 4 according to the power requirement of the motor. Such as: the 12 conductive blocks 5 are installed, one installation through hole 4 is idle between every two adjacent conductive blocks 5, and nothing in the installation through holes 4 is installed, so that the 12 conductive blocks 5 can meet the work of a motor, and the aim of adjusting the power of the motor is fulfilled; meanwhile, 24 conductive blocks 5 are installed according to the requirement, only 12 conductive blocks 5 are required to supply power, so that the work of the motor can be met, namely, the 12 conductive blocks 5 in the 24 conductive blocks 5 are required to supply power according to the power requirement of the motor, the power of the motor can be met, and when the power of the motor is improved, only the 24 conductive blocks 5 are required to be supplied with power according to the installation sequence, the power of the motor can be improved, and the control and the adjustment of the power of the motor are facilitated.

Further, as shown in fig. 2, the mounting through holes 4 provided on the stator 3 may be plural, such as: the number of the installation through holes 4 on the motor stator 3 is 48 or 24 or more and less, that is, the installation through holes 4 on the motor stator 3 can be properly set according to the needs, the installation mode and the power supply mode of the installation through holes are the same as those of the principle, and the installation through holes are not described herein, so that the installation through holes are set according to the use mode, the environment and the power size of the motor, and the number of the installation through holes 5 or the power supply number is set according to the power size of the hollow motor, so that the reasonable use of the power size of the hollow motor is realized.

Further, as shown in fig. 2, the installation modes of the conductive block 5 and the permanent magnet 6 provided in the installation through hole 4 are as follows: a, installing a hollow conductive block 5 in the installation through hole 4; b installing a conductive block 5 and a permanent magnet 6 on the installation through hole 4, wherein the conductive block 5 and the permanent magnet 6 are alternately arranged, the magnetic field generated by supplying power to the conductive block 5 and the magnetic field of the permanent magnet 6 are overlapped to strengthen the magnetic field on the motor stator 3, so that the working efficiency of the motor is improved, that is, the number of the conductive blocks 5 and the permanent magnets 6 arranged on the motor stator 3 can be set according to the requirement, the method is not limited by the limitation, the power control of the motor can be realized, and the arrangement can realize that different powers can be used in a full-disk motor with the same size.

Further, the electrical connection between the conductive blocks 5 on the stator 3 is as follows: the number of mounting through holes 4 on the stator 3 is 24, that is, 24 conducting blocks 5 are arranged on the stator 3, the electric connection can be carried out according to the modes of a, b, c, a1, b1, c1, a2, b2 and c2, the a, a1 and a2 are four in series connection and lead out four leads to be connected with a power supply, the b, b1 and b2 are four in series connection and lead out four leads to be connected with the power supply, the c, c1 and c2 are four in series connection and lead out four leads to be connected with the power supply, that is, the stator 3 is provided with four magnetic fields for driving a rotor, a Hall sensor is adopted to detect the magnetic field change position of magnetic poles on the rotor, a signal is input into a motor controller, the sequence of current input to the conducting blocks 5 on the stator 3 is changed through the motor controller, and then the conducting blocks 5 are controlled to generate the magnetic field to drive the rotor to rotate.

As shown in fig. 8, an electric machine comprises a rotor, which is a rotor of the prior art, a fixed part of which is called a stator 3, on which a pair of excited stationary main poles are mounted; the rotor of the rotating part is called an armature core, an armature winding is arranged on the rotor, induced electromotive force is generated after the armature winding is electrified and serves as a rotating magnetic field, and electromagnetic torque is generated to perform energy conversion. The rotor is arranged in the stator 2, and the motor is assembled by commercially available components, wherein the components required by the motor are obtained by the motor controller in the market; the conductive blocks 5 on the stator 3 are supplied with power, the conductive blocks 5 finish the power supply according to a certain sequence and generate magnetic fields, the magnetic poles on the driving rotor finish sector transition on the conductive blocks 5 of the stator 3, and the driving rotor rotates in the stator along with the power supply sequence change of the conductive blocks 5.

Further, as shown in fig. 1 to 8, in combination with the above embodiment, the stator 3 and the conductive module on the stator 3 are combined into a motor in combination with the rotor in the prior art, and the motor is compared with the motor in the prior art. Comparing motor efficiency data: the motor of the product is compared with the existing motor YBPT (355-560) model 37KW motor data; the starting current of a YBPT (355-560) 37KW motor is about 250A, the load working current is 70A, and the working is performed for one hour at 37 DEG; the starting current of the motor of the product is about 200A, the load working current is about 50A, the electric effect of 30 degrees is used in 1 hour, the data are obtained through actual detection of an ammeter, and the motor of the product is compared with a YBPT (355-560) 37KW motor in the same environment working: the motor of the product has 7-degree electricity effect of saving electric energy per hour with the existing YBPT (355-560) 37KW motor, namely 7-degree electricity can be saved per hour, and the purpose of saving electricity is realized; comparison with copper amount data: YBPT (355-560) about 37KW of copper consumption about 37 kg; the novel motor stator of the product is about 25 kg, and the copper consumption data is obtained by weighing an electronic scale; that is, each of the novel motor stator and YBPT (355-560) 37KW motor of the product can save 12 kg of copper, and because of the fact that a plurality of copper wires are arranged at two ends or out of the YBPT (355-560) 37KW motor stator, the input current can be reduced due to the reduction of the copper wires, the current input is reduced, and the purpose of saving electric energy and the copper wires is achieved.

As shown in fig. 9 to 10, a hollow motor includes a rotor, wherein the rotor is a hollow ring, and magnetic poles are axially distributed around the hollow ring; the rotor is a rotor in the prior art, a fixed part in the motor is called a stator 3, and paired excited stationary main magnetic poles are arranged on the stator; the rotor of the rotating part is called an armature core, an armature winding is arranged on the rotor, induced electromotive force is generated after the armature winding is electrified and serves as a rotating magnetic field, and electromagnetic torque is generated to perform energy conversion. The rotor is arranged in the stator 2, and the motor is assembled by commercially available components, wherein the components required by the motor are obtained by the motor controller in the market; the conductive blocks 5 on the stator 3 are supplied with power, the conductive blocks 5 finish the power supply according to a certain sequence and generate magnetic fields, the magnetic poles on the driving rotor finish sector transition on the conductive blocks 5 of the stator 3, and the driving rotor rotates in the stator 3 along with the power supply sequence change of the conductive blocks 5.

Further, as shown in fig. 1 to 7-9 to 10, a hollow motor is formed by the stator 3, the conductive module on the stator 3, the rotor and the magnetic poles on the rotor, and compared with a dd motor-DDA hollow motor in the prior art: the dd motor, namely the DDA hollow motor, uses copper 32 jin and electricity at about 8 degrees in 1 hour; the product uses copper 20 jin and electricity about 6 degrees in 1 hour; that is, the product saves copper by 12 jin and electricity by about 2 degrees per hour.

As shown in fig. 11, in connection with the above embodiment, the stator 3 and the conductive module on the stator 3 are combined with the rotor in the prior art to form a generator. The stator of the generator is a static part of the motor and mainly comprises an iron core, a stand, a coil and other parts, wherein the stator coil part has the same structure as the product, and the stator of the generator is one of key parts of the generator; for a synchronous motor with high voltage and large capacity, a rotary magnetic pole structure is adopted, and as the capacity and voltage of an excitation part are usually much smaller than those of an armature, the armature is arranged on a stator, and a main magnetic pole is arranged on a rotor; the generator stator mainly acts to generate voltage by cutting magnetic field in the rotating magnetic field formed in the rotor. The generator stator has two wiring modes, one is in a 4-wire type, the rotor string is connected between 2 stator windings, the other is in a 2-wire type, the 2 stator windings are connected with the rotor string after being connected, and then are connected with the rotor string, (2 leads of the 4-wire type diagonal are connected together); the two wiring modes are different, but can be universal. The lead wire mode has two kinds: one is a cord lead; the winding is conducted by a plug connector on the framework, and the framework is reserved during winding.

As shown in fig. 11, the stator of the generator in this embodiment is composed of an iron core, a stand, conductive modules, and other components, and the slant on the stator is along with a plurality of mounting through holes, and in each mounting through hole, the slant is along with a plurality of conductive modules, and the conductive modules do not have hollow conduction to replace coils in the prior art, so as to be used as main core components of the generator. Wherein the stator core is the main magnetic circuit of the stator, and together the stator windings are the mounting and fixing components; the stator core is composed of a fan-shaped through hole, a tension bolt, a supporting block, a positioning rib and the like. The stand is used for fixing the iron core, and for the suspension generator, the stand is used for bearing the whole weight of the rotating part; the iron core is a part of the magnetic circuit of the generator; the conductive module forms a circuit of the generator. The main functions of the machine base of the generator are as follows: as a support structure for the stator core laminations; bearing the torque of the stator and transmitting the torque to the bottom feet; forming a channel for cooling gas; a support structure comprising bearings, a frame and a cooler; the conductive module functions as follows: the stator winding of the generator adopts a conductive module, namely the hollow conductive module is used for generating current output. In summary, the working principles of the motor and the motor are understood, wherein the structures of the motor and the motor are the same, and the working principles of the generator are based on the law of electromagnetic induction and the law of electromagnetic force; the principle of its construction is therefore: the magnetic circuit and the circuit which mutually perform electromagnetic induction are formed by proper magnetic conduction and electric conduction materials so as to generate electromagnetic power and achieve the purpose of energy conversion.

Comparing the generator with a generator in the prior art; the generator provided by the product saves manpower and financial resources in the manufacturing process, particularly in the generator assembling process, reduces the manufacturing flow of the generator, indirectly realizes the purpose of saving the manpower and the financial resources, and simultaneously can meet the work requirement of the motor in the power generation process, and simultaneously saves the financial resources. In combination with the above embodiment, the stator 1 and the conductive module on the stator 1 are combined into a generator by combining with a rotor in the prior art, and the generator is compared with a motor in the prior art. Comparing the efficiency data of the generator: the generator of the product is compared with the SF-55-55KW data of the existing generator model; in the case of the same generator power: the product saves about 10 kg of copper, mainly saves copper wires which are extruded out from two ends of the stator; the generator requires about 20 jin of copper, which is a prior art generator parameter, with reference to the following table.

Because the two ends of the stator used by the prior generator model SF-55-55KW can emit a plurality of copper wires, the two ends of the stator provided by the product can not emit a plurality of copper wires, thereby realizing the purpose of saving copper; the stator is arranged on the generator, and the rotor is arranged in the stator, so that the stator is improved and arranged on the generator, the working efficiency of the generator is improved, and the aim of saving copper wires is fulfilled.

As shown in fig. 11, in combination with the technical scheme provided in the above embodiment, the motor is mounted on the electric vehicle, and since the stator of the motor is improved and mounted on the electric vehicle, the working capacity of the motor is improved, and further the cruising ability of the electric vehicle is improved, so that the electric vehicle is convenient to control; the motor technical scheme provided by the embodiment does not improve the electric vehicle, but only installs the motor on the electric vehicle, thereby improving the cruising ability of the electric vehicle and being convenient to control. The energy-saving effect of the motor is improved, and the cruising ability of the electric vehicle is further improved.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A stator, characterized in that the stator comprises:

The conductive module is arranged in the installation through hole, matched with the installation through hole and detachably arranged in the installation through hole, and comprises a conductive medium which is arranged in the installation through hole and is a conductive block.

2. The stator of claim 1, wherein the conductive block is a copper block, and wherein the copper block is a hollow copper block.

3. The stator of claim 1, wherein the conductive module further comprises:

4. A stator according to claim 3, characterized in that the excitation field is a permanent magnet.

5. The stator of claim 1, wherein the conductive medium has conductive posts disposed thereon.

6. The stator of claim 5, wherein the stator comprises:

7. An electric machine, characterized in that it comprises:

A rotor mounted in the stator of any one of claims 1 to 6.

8. A hollow motor characterized in that it comprises:

A rotor mounted in the stator of any one of claims 1 to 6.

9. The hollow motor of claim 8, characterized in that the hollow motor comprises:

the rotor is a hollow circular ring and is arranged on the stator;

and the magnetic poles are axially distributed around the hollow circular ring.

10. A generator, characterized in that it is fitted with a stator according to any one of claims 1-6.

11. An electric vehicle, characterized in that the electric vehicle is mounted with the electric machine of claim 7 or the hollow electric machine of any one of claims 8 and 9 or the generator of claim 10.