CN212785049U

CN212785049U - Motor core suitable for hybrid electric vehicle

Info

Publication number: CN212785049U
Application number: CN202021993275.7U
Authority: CN
Inventors: 崔云镐
Original assignee: Tai Xin Motor Tianjin Co ltd
Current assignee: Tai Xin Motor Tianjin Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-03-23
Anticipated expiration: 2030-09-14

Abstract

The utility model provides a motor core suitable for hybrid vehicle. In the technical scheme, the containing cavity is arranged outside the motor shell and is directly communicated with the liquid refrigerant, the driving shaft drives the fan blades to rotate in the containing cavity to generate negative pressure, and the liquid refrigerant is sucked into the containing cavity to achieve the purpose of heat dissipation at present. On this basis, the utility model discloses abandoned independent actuating mechanism, but it is rotatory to drive the drive shaft with the main shaft of motor self to adopt planetary gear transmission between main shaft and drive shaft, in order to satisfy the rotational speed requirement of flabellum. The utility model relies on the power of the motor to drive the liquid refrigerant, and an independent refrigerant conveying mechanism is omitted; moreover, the suction pressure is increased along with the increase of the rotating speed of the motor, and the characteristic that the heat dissipation requirement of the motor is higher when the motor runs at high power is met; furthermore, the utility model discloses a flabellum rotational speed can be adjusted according to the gear diameter at equipment design stage. The utility model discloses effectively simplified the system architecture, had outstanding technical advantage.

Description

Motor core suitable for hybrid electric vehicle

Technical Field

The utility model relates to a motor technical field, concretely relates to motor core suitable for hybrid vehicle.

Background

The hybrid electric vehicle is a vehicle with a vehicle driving system formed by combining more than two single driving systems capable of running simultaneously, and the running power of the vehicle is provided by each driving system independently or together according to the actual running state of the vehicle. The hybrid vehicle is generally referred to as a gasoline-electric hybrid vehicle, i.e., a conventional internal combustion engine and an electric motor are used as power sources.

Different from the motor used in the conventional environment, the motor applied to the hybrid electric vehicle has higher instantaneous power, and parts in the vehicle system are highly integrated, so that active heat dissipation measures are generally required to be matched. The mode of directly leading in the motor with the grid admits air is not enough to reach the heat dissipation requirement, consequently, generally introduces the liquid refrigerant among the prior art, integrates liquid refrigerant circulation channel in the motor element, adopts the input and the velocity of flow of temperature controller control liquid refrigerant. Although the mode can ensure a better heat dissipation effect, the structure is too complex, and components such as a circulating pump, a temperature controller and the like need to be additionally arranged, so that the manufacturing process and the maintenance difficulty are relatively high.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide a motor core suitable for hybrid vehicle to the conventional motor heat dissipation structure of solving the hybrid vehicle remains the modified technical problem.

Another technical problem to be solved by the present invention is how to use a simpler structure to dissipate heat of a motor using a liquid refrigerant.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the motor core suitable for the hybrid electric vehicle comprises a shell, a stator, a rotor, a sun gear, a main shaft, planetary gears, a gear ring, a driving shaft, fan blades, a containing cavity, a partition bin, a liquid inlet, a communication port, a belt pulley and a baffle plate, wherein the stator is fixedly connected to the inner wall of the shell, the main shaft is arranged in the shell through a bearing, the rotor is fixedly connected to the main shaft, the rotor and the stator are matched with each other, the sun gear is fixedly connected to the rotor, the sun gear is simultaneously fixedly connected to the main shaft, a plurality of planetary gears are meshed with the periphery of the sun gear, the gear ring is meshed with the periphery of the plurality of planetary gears, the gear ring is fixedly connected to the driving shaft, and the driving; the outer end of the shell is fixedly connected with a containing cavity, the tail end of the driving shaft extends into the containing cavity, and the tail end of the driving shaft is fixedly connected with fan blades; the outer end of the containing cavity is fixedly connected with a separation bin, the separation bin is connected to a liquid refrigerant through a communication port, and the separation bin is communicated with the containing cavity through a liquid inlet; the main shaft is fixedly connected with a belt pulley and a baffle respectively, and the belt pulley is positioned between the machine shell and the baffle.

Preferably, the liquid level meter further comprises a baffle plate which obliquely covers the liquid inlet.

Preferably, the clutch is arranged between the main shaft and the belt pulley.

Preferably, mechanical seals are provided at positions where the main shaft penetrates the casing and at positions where the drive shaft penetrates the casing, respectively.

Preferably, the rotational speed of the drive shaft is less than the rotational speed of the main shaft.

In the above technical scheme, the casing is a casing structure of the motor; the stator is matched with the rotor and used for driving the rotor under the electrified condition; the rotor, the central gear and the main shaft are mutually fixed, so that the rotor, the central gear and the main shaft can be driven to rotate simultaneously; the main shaft is used for driving an external belt pulley to rotate; the central gear is meshed with the gear ring through the planet gear so as to drive the gear ring to rotate, and the gear ring is fixedly connected with the driving shaft, so that the driving shaft can be driven to rotate; the planetary gear mechanism is used for transmission between the main shaft and the driving shaft, so that a large rotation speed difference exists between the driving shaft and the main shaft, and because the rotation speed of the main shaft is too high, if the rotation speeds of the driving shaft and the main shaft are the same, the negative pressure generated by the fan blades is too high, and the suction effect on the refrigerant is too strong; the rotating speed of the driving shaft is lower than that of the main shaft through the transmission action of the planetary gear mechanism so as to meet the requirement of proper suction negative pressure, and in practical application, the rotating speed ratio between the driving shaft and the main shaft can be adaptively adjusted through the diameter ratio of the central gear and the gear ring; the driving shaft is used for driving the fan blades to rotate, so that the liquid refrigerant is sucked into the containing cavity through the spacing bin, and the heat dissipation effect is achieved on the outer wall of the shell; the liquid inlet is used for communicating the compartment with the cavity; the communication port is used for communicating the compartment with the liquid refrigerant; the belt pulley is driven by the main shaft to rotate, and a belt is wound on the belt pulley and used for providing auxiliary power for the engine; the baffle is used for protecting the belt pulley from the outside.

In the preferred technical scheme, an inclined blocking piece can be additionally arranged at the liquid inlet for enabling the liquid refrigerant entering the containing cavity to have an inclined initial speed and avoiding the liquid refrigerant from vertically impacting the fan blades. In addition, a clutch can be additionally arranged between the main shaft and the belt pulley, and when the motor is used for providing auxiliary power for starting, the belt pulley is connected with the main shaft by the clutch; the clutch disconnects the pulley from the spindle when no motor assistance is required to provide power.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic view of a partial structure of a fitting portion between a stator and a rotor according to the present invention;

FIG. 3 is a schematic view of a partial structure of the fitting portion of the sun gear, the planetary gear and the ring gear of the present invention;

in the figure:

1. casing 2, stator 3, rotor 4, sun gear

5. Main shaft 6, planetary gear 7, ring gear 8, drive shaft

9. Fan blade 10, containing cavity 11, spacing bin 12 and liquid inlet

13. Communication port 14, belt pulley 15, baffle 16 and baffle

17. A clutch.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

As shown in fig. 1 to 3, the motor core suitable for a hybrid electric vehicle includes a casing 1, a stator 2, a rotor 3, a sun gear 4, a main shaft 5, a planetary gear 6, a gear ring 7, a driving shaft 8, fan blades 9, a containing cavity 10, a compartment 11, a liquid inlet 12, a communicating port 13, a belt pulley 14, and a baffle 15, wherein the stator 2 is fixedly connected to the inner wall of the casing 1, the main shaft 5 is disposed in the casing 1 through a bearing, the rotor 3 is fixedly connected to the main shaft 5, the rotor 3 and the stator 2 are mutually matched, the sun gear 4 is fixedly connected to the rotor 3, the sun gear 4 is simultaneously fixedly connected to the main shaft 5, a plurality of planetary gears 6 are engaged to the outer periphery of the sun gear 4, the gear ring 7 is engaged to the outer periphery of the plurality of planetary gears 6, the gear ring 7 is fixedly connected to the driving shaft 8, and the driving; the outer end of the casing 1 is fixedly connected with a containing cavity 10, the tail end of the driving shaft 8 extends into the containing cavity 10, and the tail end of the driving shaft 8 is fixedly connected with a fan blade 9; the outer end of the accommodating cavity 10 is fixedly connected with a partition chamber 11, the partition chamber 11 is connected to a liquid refrigerant through a communication port 13, and the partition chamber 11 is communicated with the accommodating cavity 10 through a liquid inlet 12; a belt pulley 14 and a baffle 15 are fixedly connected to the main shaft 5 respectively, and the belt pulley 14 is positioned between the machine shell 1 and the baffle 15.

The device has the following structural characteristics: the shell 1 is a shell structure of the motor; the stator 2 is matched with the rotor 3 and used for driving the rotor 3 under the electrified condition; the rotor 3, the central gear 4 and the main shaft 5 are mutually fixed, so that the three can be driven to rotate simultaneously; the main shaft 5 is used for driving the external belt pulley 14 to rotate; the sun gear 4 is meshed with the gear ring 7 through the planet gear 6, so that the gear ring 7 is driven to rotate, and the gear ring 7 is fixedly connected with the driving shaft 8, so that the driving shaft 8 can be driven to rotate; the reason why the transmission is carried out between the main shaft 5 and the driving shaft 8 by the planetary gear mechanism is to make the driving shaft 8 and the main shaft 5 have a large difference in rotation speed, because the rotation speed of the main shaft 5 is too high, if the rotation speeds of the driving shaft 8 and the main shaft 5 are the same, the negative pressure generated by the fan blades 9 is too large, and the suction effect on the refrigerant is too strong; the rotating speed of the driving shaft 8 is lower than that of the main shaft 5 through the transmission action of the planetary gear mechanism so as to meet the requirement of proper suction negative pressure, and in practical application, the rotating speed ratio between the driving shaft 8 and the main shaft 5 can be adaptively adjusted through the diameter ratio of the central gear 4 and the gear ring 7; the driving shaft 8 is used for driving the fan blades 9 to rotate, so that the liquid refrigerant is sucked into the containing cavity 10 through the partition cabin 11, and a heat dissipation effect is achieved on the outer wall of the machine shell 1; the liquid inlet 12 is used for communicating the compartment 11 with the cavity 10; the communication port 13 is used for communicating the compartment 11 with the liquid refrigerant; the belt pulley 14 is driven by the main shaft 5 to rotate, and a belt is wound on the belt pulley and used for providing auxiliary power for the engine; the guard 15 serves to protect the pulley 14 from the outside.

Example 2

Meanwhile, a baffle 16 is also included, and the baffle 16 obliquely covers the liquid inlet 12. A clutch 17 is also included, said clutch 17 being arranged between the main shaft 5 and the pulley 14. Mechanical seals are provided at a position where the main shaft 5 penetrates the casing 1 and a position where the drive shaft 8 penetrates the casing 1, respectively. The rotational speed of the drive shaft 8 is less than the rotational speed of the main shaft 5. In the above technical solution, an inclined baffle 16 is additionally arranged at the liquid inlet 12 for making the liquid refrigerant entering the cavity 10 have an inclined initial velocity to avoid vertically impacting the fan blades 9. In addition, a clutch 17 is additionally arranged between the main shaft 5 and the belt pulley 14, and when the motor is used for providing auxiliary power for starting, the clutch 17 connects the belt pulley 14 with the main shaft 5; the clutch 17 disconnects the pulley 14 from the main shaft 5 when no motor assistance is required for powering.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The motor core is suitable for a hybrid electric vehicle and is characterized by comprising a machine shell (1), a stator (2), a rotor (3), a central gear (4), a main shaft (5), a planetary gear (6), a gear ring (7), a driving shaft (8), fan blades (9), a containing cavity (10), a compartment (11), a liquid inlet (12), a communication port (13), a belt pulley (14) and a baffle (15), wherein the stator (2) is fixedly connected to the inner wall of the machine shell (1), the main shaft (5) is arranged in the machine shell (1) through a bearing, the rotor (3) is fixedly connected to the main shaft (5), the rotor (3) is matched with the stator (2), the central gear (4) is fixedly connected to the rotor (3), the central gear (4) is simultaneously fixedly connected to the main shaft (5), and a plurality of planetary gears (6) are meshed with the periphery of the central gear (4), the peripheries of the planetary gears (6) are meshed with gear rings (7), the gear rings (7) are fixedly connected with a driving shaft (8), and the driving shaft (8) is arranged in the shell (1) through a bearing; the outer end of the shell (1) is fixedly connected with a containing cavity (10), the tail end of the driving shaft (8) extends into the containing cavity (10), and the tail end of the driving shaft (8) is fixedly connected with a fan blade (9); the outer end of the containing cavity (10) is fixedly connected with a partition bin (11), the partition bin (11) is connected to a liquid refrigerant through a communication port (13), and the partition bin (11) is communicated with the containing cavity (10) through a liquid inlet (12); a belt pulley (14) and a baffle (15) are respectively and fixedly connected to the main shaft (5), and the belt pulley (14) is positioned between the machine shell (1) and the baffle (15).

2. The motor movement applicable to the hybrid vehicle according to claim 1, further comprising a flap (16), wherein the flap (16) obliquely covers the liquid inlet (12).

3. Motor cartridge adapted to a hybrid vehicle according to claim 1, further comprising a clutch (17), said clutch (17) being arranged between the main shaft (5) and the pulley (14).

4. Motor cartridge adapted to a hybrid vehicle according to claim 1, characterized in that mechanical seals are provided respectively at the location where the main shaft (5) penetrates the casing (1) and at the location where the drive shaft (8) penetrates the casing (1).

5. Motor cartridge adapted to a hybrid vehicle according to claim 1, characterised in that the rotation speed of the drive shaft (8) is lower than the rotation speed of the main shaft (5).