TW202131608A - Vehicle motor structure - Google Patents

Abstract

The invention relates to a vehicle motor structure. Primarily, it is provided with a stator unit and two rotor units in a housing. A stator base of the stator unit is arranged with a stator ring at each of two opposite ends thereof. A rotor base of each of the two rotor units is provided with a number of permanent magnetic plates on an end face thereof to correspond to an end face of the stator ring at each of the two opposite ends of the stator base. Accordingly, the permanent magnetic plates on the end faces of the two rotor bases and the end faces of the two stator rings correspond to each other to increase the induction area of the stator rings and the permanent magnetic plates, so as to effectively increase the horsepower and torque output.

Description

Vehicle motor structure

The invention relates to a vehicle motor structure, in particular to a motor housing provided with a fixed subunit and a two-rotor unit to increase the sensing area of the stator ring of the stator unit and the permanent magnet of the two-rotor unit, and effectively improve horsepower And the vehicle motor structure for torque output.

Press, hybrid vehicles and pure electric vehicles use motors to provide the power for the vehicle to travel. Please refer to U.S. Patent Publication No. US2005/0045392 "In-wheel electric motors", U.S. Patent Publication No. US2012/0302390 "Bidirectional hub motor with unidirectional two-speed output" and Chinese Patent Publication No. CN105882384A "A motor" In patent cases such as "wheel hub", the motor structure disclosed in these patent cases is mainly installed in the wheel frame, including a stator unit, a rotor unit and a wheel axle. The sheet is wound with coils, so that the rotor housing of the rotor unit defines an internal space, and the stator unit is accommodated in it. In addition, several magnets are arranged on the side wall of the rotor housing at intervals so that the several magnets surround the stator unit. The side of the silicon steel sheet.

Thereby, when the coil of the sub-unit set by the existing motor is energized and interacts with the magnet of the rotor unit, the rotor housing of the rotor unit can drive the wheel frame connected to it to rotate to drive the vehicle to move. However, due to the small area and space available for assembling magnets on the side wall of the rotor housing of the existing motor, the sensing area between the magnet provided in the rotor housing and the silicon steel sheet of the stator unit is relatively small, so that the horsepower and torque that the existing motor can output is relatively reduced . In addition, the number of silicon steel sheets in the stator unit of the existing motor is stacked and locked on the stator unit, so the assembly is time-consuming and troublesome, and the gap between the number of silicon steel sheets forms a considerable distance. As the spacing increases and the air gap increases, the magnetic force flow is less smooth. It also results in a decrease in the operating efficiency of the motor.

The reason is that, in view of the above-mentioned shortcomings in the use and implementation of existing motors, the inventors have developed the present invention with the assistance of many years of manufacturing and design experience and knowledge in related fields, and through various ingenuities.

The present invention relates to a vehicle motor structure. Its main purpose is to provide a fixed subunit and a two-rotor unit in the motor housing to increase the induction area of the stator ring of the stator unit and the permanent magnet of the two-rotor unit , Effectively improve the horsepower and torque output of the vehicle motor structure.

In order to achieve the above-mentioned implementation objectives, the inventor of the present invention has developed the following vehicle motor structure, which is mainly provided with a housing, and a cavity is formed in the housing, and a certain subunit and two are arranged in the cavity of the housing. A rotor unit, the stator unit includes a stator base, and a stator ring is arranged at each of the two opposite ends of the stator base, and a plurality of coils are wound on the stator ring, and the two rotor units The two rotor bases respectively include a rotor base, and the two rotor bases are provided with a plurality of permanent magnets on the end faces facing the stator unit in each group, so that the permanent magnets on the end faces of the two rotor bases are respectively connected to the stator base The end faces of the stator rings at the two ends of the base correspond to each other, and a main shaft is provided. In addition, a shaft hole is provided in the center of the stator base and the second rotor base, so that the main shaft penetrates the stator base and the second rotor. The shaft hole of the base, and make one end of the main shaft penetrate out of the shaft hole of a rotor base.

The vehicle motor structure as described above, wherein the rotor base of the two-rotor unit is fixedly connected to the housing, and the main shaft is fixedly combined with the stator base of the stator unit.

The vehicle motor structure as described above, wherein the opposite ends of the casing each form an open end, and the two open ends are communicated with the cavity, and the two rotor bases are respectively located at the two open ends of the casing At least one bearing is provided in the shaft hole of the two rotor bases to close the two ends of the cavity, and the main shaft is connected with the bearing in the shaft hole of the two rotor bases.

The vehicle motor structure as described above, wherein the stator base is provided with a through hole at the side of the shaft hole, and the lines of the coils on the two stator rings of the stator base pass through the through hole of the stator base The hole is connected, and an outlet hole is provided on the main shaft, and the outlet hole is set up obliquely to the axis of the main shaft. The outlet hole is formed with a first end and a second end opposite to the outlet The hole at the first end of the hole is located in the cavity of the housing, and the hole at the second end is located outside of a rotor base, so that the lines of the coils of the two stator rings are routed from the first end of the outlet hole The hole passes through the outlet hole, and the hole at the second end of the outlet hole passes through the outside.

The vehicle motor structure as described above, wherein the stator base of the stator unit is fixedly connected to the housing, and the main shaft is fixedly combined with the rotor base of the two-rotor unit.

The vehicle motor structure as described above, wherein the opposite two ends of the casing respectively form an open end and a closed end, and the open end is communicated with the cavity, and a recess is provided on the inner surface of the closed end of the casing Groove, and at least one bearing is arranged in the groove, and at least one bearing is arranged in the shaft hole of the stator base, and one end of the main shaft is inserted into the bearing in the groove of the housing, and The bearing in the shaft hole of the stator base penetrates, and the other end of the main shaft is penetrated by the shaft hole of the rotor base adjacent to the open end of the casing.

The vehicle motor structure as described above, wherein the shell system is provided with two outlet holes on one side, and the two outlet holes are communicated with the cavity, and the lines of the two stator rings and the coils are respectively routed from the shell The second outlet hole goes through the outside.

The vehicle motor structure as described above, wherein the shell system is provided with a fixing flange on the peripheral wall ring, and a plurality of locking holes are provided on the fixing flange.

The vehicle motor structure as described above, wherein the stator ring is integrally wound by a long silicon steel sheet to form a ring body.

The vehicle motor structure as described above, wherein the stator ring is provided with a number of winding holes spaced in its radial direction, and the end face of the stator ring is provided with a groove corresponding to each winding hole to connect with the winding hole. The wire holes are connected, and a coil is wound between two adjacent winding holes, and two adjacent coils are connected in series with each other.

As a result, the vehicle motor structure of the present invention is designed to correspond to the permanent magnets provided on the end faces of the two rotor bases and the end faces of the two stator rings, which can increase the sensing area of the stator ring and the permanent magnets of the motor to effectively improve The output of horsepower and torque, and the air gap of the stator ring of the vehicle motor structure of the present invention is extremely small, so it can improve the smoothness of magnetic force circulation and the magnetic flux effect. In addition, the stator ring is integrally wound by a long strip of silicon steel sheet. Forming, therefore, the thickness of the stator ring can be reduced to increase the slot occupation rate and winding coefficient of the coil, and the same voltage can be achieved under the improvement of the magnetic flux effect, the multiplication of the induction area, the increase of the current per unit area, the torque and the power generation efficiency , Electric current, obtain several times more horsepower and torque output, and achieve the effect of saving electric energy and improving vehicle endurance.

In order to make the technical means of the present invention and the effects it can achieve more complete and clear disclosure, the detailed description is as follows, please also refer to the disclosure diagrams and figure numbers:

First of all, please refer to Figures 1 to 5, which are the vehicle motor structure of the present invention, which mainly includes:

A housing (1), so that the housing (1) is provided with a cavity (11), and the opposite ends of the housing (1) are each formed with an open end (12) for the cavity (11) ) Are connected;

The stator unit (2) is such that the stator unit (2) is arranged in the cavity (11) of the housing (1). The stator unit (2) includes a disc-shaped stator base (21) and is connected to The stator base (21) is provided with a shaft hole (211) in the center, and the stator base (21) is provided with a through hole (212) beside the shaft hole (211). 21) A stator ring (22) is set at the opposite ends. The stator ring (22) is mainly composed of a long silicon steel sheet wound from the inside to the outside to form a ring body, and the stator ring (22) A number of winding holes (221) are arranged at radial intervals, and the end face of the stator ring (22) is provided with a slit (222) at the corresponding winding holes (221) to connect with the winding holes (221). (221) is connected, and a coil (23) is wound between two adjacent winding holes (221), and two adjacent coils (23) are connected in series with each other, and the coils on the two stator rings (22) The circuit of (23) can be connected through the through hole (212) of the stator base (21);

The two-rotor unit (3) is such that the two-rotor unit (3) is arranged in the cavity (11) of the housing (1), and each of the two-rotor units (3) includes a disc-shaped rotor base (31) , And make the rotor bases (31) of the two rotor units (3) are respectively located at the two open ends (12) of the cavity (11) to form a closed housing (1) and its cavity (11) The shell cover of the open end (12), and the two-rotor base (31) and the housing (1) are penetrated and fixed with screws and other locking members (35), and the two-rotor base (31) is connected to Towards the end face of the stator unit (2), a number of permanent magnet pieces (32) are arranged in each ring arrangement group, and the permanent magnet pieces (32) on the end faces of the second rotor base (31) are respectively the stator base (21) The two ends of the stator ring (22) correspond to the end faces. In addition, a shaft hole (311) is provided in the center of the two rotor bases (31) to correspond to the shaft hole (211) of the stator base (21). Correspondingly, at least one bearing (33) and at least one non-leak ring (34) are respectively provided in the shaft holes (311) of the two rotor bases (31);

A main shaft (4), the main shaft (4) is inserted through the shaft hole (211) of the stator base (21), and at least one lock is provided between the main shaft (4) and the stator base (21) The fastener (42) is fixedly combined, and the fastener (42) can be a fixed key, screw or pin, etc., and the main shaft (4) passes through the bearing provided in the shaft hole (311) of the second rotor base (31) (33) and an anti-leak ring (34), so that at least one end of the main shaft (4) is penetrated by a shaft hole (311) of a rotor base (31), and a shaft (4) is provided on the main shaft (4). The outlet hole (41) is set up obliquely to the axis of the main shaft (4). The outlet hole (41) forms a first end and a second end opposite to each other, so that the The hole at the first end of the outlet hole (41) is located in the cavity (11) of the housing (1), and the hole at the second end is located outside a rotor base (31), so that the stator unit (2) The line of the coil (23) on the second stator ring (22) passes through the outlet hole (41) through the outlet hole (41) through the outlet hole (41). 41) The orifice of the second end penetrates outside.

According to this, when using and implementing, please refer to the sixth figure together. A vehicle (5) is equipped with a vehicle motor structure of the present invention at both sides of the rear wheel (52) of the vehicle body (51). The main shaft (4) of the vehicle motor structure is erected on the suspension frame (53) of the vehicle body (51), and then the vehicle motor structure is installed in the wheel frame (521) of the wheel (52), and The housing (1) of the vehicle motor structure is locked to the wheel frame (521), and the circuit of the stator unit (2) and its coil (23) is connected to the power supply unit (54) of the vehicle (5) , So that the power supply unit (54) supplies power to the coils (23) on the two stator rings (22), so that the coils (23) on the two stator rings (22) and the two rotor units (3) respectively The permanent magnets (32) on the rotor base (31) interact to generate a rotating magnetic field, which drives the rotor base (31) of the two-rotor unit (3) to rotate. At this time, it interacts with the two-rotor base (31). The fixed casing (1) rotates synchronously and rotates the wheels (52) locked with the casing (1) to drive the vehicle (5) to move.

Thereby, using the vehicle motor structure of the present invention, the permanent magnet pieces (32) on the end faces of the rotor base (31) of the two rotor unit (3) and the two stators of the stator base (21) of the stator unit (2) are used. The end faces of the ring (22) are designed to correspond to each other, which can greatly increase the induction area of the stator ring (22) and the permanent magnet (32), so as to effectively increase the horsepower and torque output of the motor. And because of the stator ring of the present invention (22) Only the slit groove (222) with a very small gap is provided on the end surface, so the air gap is extremely small, which is beneficial to improve the smoothness of magnetic force flow and the magnetic flux effect. In addition, the stator ring (22) of the vehicle motor structure of the present invention is A long silicon steel sheet is integrally wound into a ring shape, so the thickness of the stator ring (22) can be reduced, so as to increase the slot ratio and winding coefficient of the coil (23), and improve the current per unit area, torque and Power generation efficiency. Here, with the increase of the magnetic flux effect, the multiplication of the sensing area, the current amount per unit area, the torque and the power generation efficiency, the same voltage and current can obtain several times more horsepower and torque output, and save electric energy. And improve the vehicle (5) endurance and other benefits.

It is also worth mentioning that in the present invention, a stator ring (22) and its coil (23) are provided at each end of the stator base (21), and the stator ring (22) and its coil (23) are installed on the rotor base ( 31) Each group is equipped with permanent magnets (32) to correspond to the two stator rings (22). According to this design, two groups can be arranged in the motor independently without increasing the volume of the existing motor. The operating rotating system, by which, when used and implemented, it can drive the stator ring (22) and its coil (23) to drive the corresponding rotor according to the horsepower and torque required for flat ground or climbing. The unit (3) rotates, or the two stator rings (22) and its coils (23) are linked to the two rotor unit (3) at the same time, so it is more flexible in use, and when one of the stator rings of the present invention When (22) and its coil (23) are damaged and cannot drive the corresponding rotor unit (3) to rotate, another set of stator ring (22) and its coil (23) can still drive the corresponding rotor unit (3) Rotate to prevent the vehicle (5) from breaking down on the road.

The foregoing embodiments or drawings do not limit the implementation of the vehicle motor structure of the present invention. Please also refer to the seventh figure, which is another embodiment of the vehicle motor structure of the present invention. The housing (1 ) The opposite ends respectively form an open end (13) and a closed end (14), and make the open end (13) communicate with the cavity (11), and make the shell (1) its closed end (14) A groove (141) is arranged on the inner surface, and at least one bearing (15) is arranged in the groove (141), and at least one bearing (15) is arranged in the shaft hole (211) of the stator base (21) 24), so that the main shaft (4) passes through the stator base (21) and the shaft hole (211) is provided with the bearing (24), and one end of the main shaft (4) passes through one of the rotor bases (31). The shaft hole (311) of the housing (1) is connected to the bearing (15) provided in the groove (141) of the housing (1), and the other end of the main shaft (4) is opened from the housing (1). The shaft hole (311) of the other rotor base (31) adjacent to the end (13) penetrates outside, and the main shaft (4) and the second rotor base (31) are respectively provided with at least one locking member (43) ) Is fixedly combined, and the peripheral side of the stator base (21) and the peripheral wall of the housing (1) are fixedly connected with screws and other locking members (16), and a fixed ring is provided on the peripheral wall of the housing (1). The flange (17) is provided with a number of lock holes (171) on the fixed flange (17), and two outlet holes (18) are provided on one side of the housing (1). The two outlet holes ( 18) is communicated with the cavity (11), so that the lines of the coils (23) on the stator ring (22) at the two ends of the stator base (21) pass through the two outlet holes of the housing (1). (18) Wear out. According to the design of this other embodiment, the setting of the outlet hole (41) of the main shaft (4) can be omitted, and the fixed combination state of the main shaft (4) and the stator base (21) can be released, so that the main shaft (4) and The two rotor bases (31) are fixedly combined. Here, when assembling and using, please also refer to the eighth figure. The vehicle motor structure of this other embodiment is installed in the engine room or trunk of a vehicle (5) and is worn with screws and other fasteners. The lock hole (171) of the fixed flange (17) of the housing (1) is locked and fixed with the engine room or trunk of the vehicle (5), so that the main shaft (4) penetrates the outside One end is connected to the wheels (52) on both sides of the rear of the vehicle (5) through transmission components such as gearbox (55) and differential (56), so that when the two rotor base (31) rotates, it can drive The main shaft (4) fixedly combined with the two-rotor base (31) rotates synchronously, and then the gearbox (55) and differential (56) connected to the main shaft (4) drive the wheels (51) on both sides of the rear Rotate to achieve the effect of driving the vehicle (5). As a result, the vehicle motor structure is arranged in the engine room or trunk design of the vehicle (5), which is not limited to the narrow space of the wheel (52) and the wheel frame (521), and the stator unit can be expanded according to the needs of use (2) and the volume of the rotor unit (3) to thicken and enlarge the volume of the stator ring (22) and permanent magnet (32) to increase the stator ring (22) and permanent magnet (32) Magnetic field effect, to achieve the effect of further improving horsepower and torque output.

It can be seen from the above structure and implementation that the present invention has the following advantages:

1. In the vehicle motor structure of the present invention, the stator base is provided with a stator ring at each of the two opposite ends, and the two rotor units are provided with a number of permanent magnets in each group on the end surface of the rotor base to connect the two The end faces of the stator ring correspond to each other, so that the induction area of the stator ring and the permanent magnet can be increased, and the output horsepower and torque of the motor can be effectively improved.

2. In the vehicle motor structure of the present invention, the stator ring is wound from a long silicon steel sheet into a ring shape, thereby eliminating the trouble of stacking several silicon steel sheets to form the stator ring, thereby reducing the stator ring. Manufacturing man-hours and costs, and improve the structural strength of the stator ring, while reducing the thickness of the stator ring to increase the coil slot ratio and winding coefficient, and improve the current per unit area, torque and power generation efficiency.

3. The vehicle motor structure of the present invention is such that the end face of the stator ring is provided with a slit with a very small gap. The small air gap is designed to improve the smoothness of magnetic force flow and enhance the magnetic flux effect. Here, the magnetic flux effect With the increase, the sensing area is doubled, the current per unit area, torque and power generation efficiency are improved, the same voltage and current can be obtained several times more horsepower and torque output, and the effect of saving electric energy and improving vehicle endurance can be achieved.

4. The vehicle motor structure of the present invention is provided with stator rings and coils at both ends of the stator base to correspond to the two-rotor unit respectively. According to this design, the existing volume of the motor can be increased without increasing the volume of the motor. Equipped with two independent rotating systems in the motor, the output horsepower and torque of the motor can be adjusted according to the activities required for use, and it is more flexible in use. In addition, when one of the stator rings and coils is damaged, When the corresponding rotor unit cannot be driven to rotate, another set of stator rings and coils can still drive the corresponding rotor unit to rotate, so as to effectively prevent the vehicle from breaking down.

In summary, the embodiments of the present invention can indeed achieve the expected effects, and the specific structure disclosed by it has not been seen in similar products, nor has it been disclosed before the application. It is in full compliance with the provisions of the Patent Law and Requirement, Yan filed an application for a patent for invention in accordance with the law, and pleaded for favor of review and granting a patent, which would be more virtuous.

1: shell

11: cavity

12: open end

13: open end

14: closed end

141: Groove

15: Bearing

16: lock firmware

17: fixed flange

171: Keyhole

18: Outlet hole

2: stator unit

21: stator base

211: Shaft hole

212: Through Hole

22: stator ring

221: Winding hole

222: ditch

23: Coil

24: Bearing

3: Rotor unit

31: Rotor base

311: Shaft hole

32: permanent magnet

33: Bearing

34: stop ring

35: lock firmware

4: Spindle

41: Outlet hole

42: lock firmware

43: lock firmware

5: Vehicle

51: car body

52: Wheel

521: Wheel Frame

53: Suspension frame

54: power supply unit

55: gearbox

56: Differential

Figure 1: A three-dimensional exploded view of the present invention

Figure 2: The second three-dimensional exploded view of the present invention

Figure 3: The third three-dimensional exploded view of the present invention

Figure 4: A perspective view of the present invention

Figure 5: Cross-sectional view of the present invention

Figure 6: Diagram of the state of use of the present invention

Figure 7: Cross-sectional view of another embodiment of the present invention

Figure 8: Diagram of another embodiment of the present invention in use

1: shell

11: cavity

12: open end

2: stator unit

21: stator base

211: Shaft hole

212: Through Hole

22: stator ring

221: Winding hole

222: ditch

23: Coil

3: Rotor unit

31: Rotor base

311: Shaft hole

32: permanent magnet

4: Spindle

41: Outlet hole

Claims (10)

A vehicle motor structure is mainly provided with a housing, a cavity is formed in the housing, and a certain subunit and two rotor units are arranged in the cavity of the housing. The stator unit includes a stator base. The two opposite ends of the stator base are provided with a stator ring in each group, and a number of coils are wound on the stator ring. In addition, the two rotor units each include a rotor base, and the two The end faces of the rotor base facing the stator unit are provided with several permanent magnet pieces in each group, so that the permanent magnet pieces on the end faces of the two rotor bases correspond to the end faces of the stator rings at the two ends of the stator base, respectively, A main shaft is also provided, and a shaft hole is provided in the center of the stator base and the two rotor bases respectively, so that the main shaft is penetrated through the shaft holes of the stator base and the two rotor bases, and one end of the main shaft is separated from The shaft hole of one of the rotor bases penetrates outside. The vehicle motor structure of claim 1, wherein the rotor base of the two-rotor unit is fixedly connected to the housing, and the main shaft is fixedly combined with the stator base of the stator unit. The vehicle motor structure according to claim 2, wherein the opposite two ends of the housing form an open end, and the two open ends are communicated with the cavity, and the two rotor bases are respectively located on the housing Two open ends are used to close the two ends of the cavity, and at least one bearing is respectively provided in the shaft hole of the two rotor bases, and the main shaft is connected with the bearing in the shaft hole of the two rotor bases . The vehicle motor structure according to claim 2, wherein the stator base is provided with a through hole at the side of the shaft hole, and the lines of the coils on the two stator rings of the stator base pass through the stator base The through hole of the seat is connected, and an outlet hole is provided on the main shaft, and the outlet hole is set up obliquely with the axial direction of the main shaft. The outlet hole is formed relative to the first end and the second end, so that The hole at the first end of the outlet hole is located in the cavity of the housing, and the hole at the second end is located outside a rotor base, so that the lines of the coils of the two stator rings pass through the outlet hole The hole at the first end passes through the outlet hole, and the hole at the second end passes through the outlet hole. The vehicle motor structure of claim 1, wherein the stator base of the stator unit is fixedly connected to the housing, and the main shaft is fixedly combined with the rotor base of the two-rotor unit. The vehicle motor structure according to claim 5, wherein the opposite two ends of the casing respectively form an open end and a closed end, and the open end communicates with the cavity, and the inner surface of the closed end of the casing A groove is provided, and at least one bearing is arranged in the groove, and at least one bearing is arranged in the shaft hole of the stator base, and the bearing whose one end of the main shaft is penetrated in the groove of the housing , And pass through the bearing in the shaft hole of the stator base, and the other end of the main shaft is penetrated by the shaft hole of the rotor base adjacent to the open end of the casing. The vehicle motor structure according to claim 5, wherein the shell system is provided with two outlet holes on one side, and the two outlet holes are communicated with the cavity, and the lines of the two stator rings and the coils are respectively routed by The second outlet hole of the shell passes through the outside. The vehicle motor structure according to claim 5, wherein the shell system is provided with a fixing flange on the peripheral wall ring, and a plurality of locking holes are provided on the fixing flange. The vehicle motor structure according to claim 1, wherein the stator ring is integrally wound by a long silicon steel sheet to form a ring body. The vehicle motor structure of claim 1, wherein the stator ring is provided with a number of winding holes spaced in its radial direction, and the end surface of the stator ring is provided with a groove corresponding to each winding hole, so as to It is communicated with the winding hole, and a coil is wound between two adjacent winding holes, and two adjacent coils are connected in series with each other.

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