CN216122052U

CN216122052U - Rotary-transformer rear-mounted integrated rotor multi-annular cooling water channel range extender

Info

Publication number: CN216122052U
Application number: CN202121826477.7U
Authority: CN
Inventors: 吴苾曜; 覃靖允; 陈涛; 欧阳石坤; 吴天华; 司政勇; 曾强; 林志强; 毛正松
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-22
Anticipated expiration: 2031-08-06

Abstract

The utility model provides a rotary-transformer rear-mounted integrated rotor multi-annular cooling water channel range extender, wherein an engine flywheel and a rotor support are integrated into a whole, a motor shell is provided with more than 2 annular water channels, the motor shell is connected with the rear end of a flywheel plate through a first bolt, the front end of the flywheel plate is connected with an engine, the rear end of the rotor support is internally provided with a connecting shaft, a rotary transformer is arranged in a radial space between the connecting shaft and a rear end cover, the rear end cover is provided with a junction box, and a separation plate is arranged at a joint of the junction box and the motor shell. The utility model shortens the length of the motor, has stronger compatibility and good heat dissipation effect, can effectively isolate the junction box from the motor shell and has less possibility of being influenced by the environment.

Description

Rotary-transformer rear-mounted integrated rotor multi-annular cooling water channel range extender

Technical Field

The utility model belongs to the technical field of new energy automobiles, and particularly relates to a rotary-transformer rear-mounted integrated rotor multi-annular cooling water channel range extender.

Background

The extended range electric vehicle is characterized in that the whole vehicle can achieve all power performances in a pure electric mode, and when the vehicle-mounted rechargeable battery cannot meet the driving range requirement, the vehicle-mounted auxiliary power generation device is turned on to provide electric energy for the power system so as to prolong the driving range. The range extending type electric automobile has a range extender which generally comprises an engine and a generator, charges a power battery of the automobile and can directly drive a motor to run.

The range extender mainly comprises an engine and a generator, the bottleneck problem restricting the wide application of the range extender is the lack of the generator with high efficiency, high reliability and stable output voltage, the connection mode of the generator determines the conversion efficiency of energy, the structure and the weight of the range extender are influenced, and the structural arrangement and the performance of the whole vehicle are further influenced.

The range extender can effectively solve the problem of mileage anxiety of the pure electric vehicle and becomes the development trend of new energy vehicles. The range extender is generally composed of an engine + a generator. The system structure of the range extender disclosed in the chinese patent CN 109412337a comprises an engine system and a generator, wherein the engine system comprises an engine body, an engine output shaft and a connecting plate, and the generator comprises a motor housing, a motor rotor assembly, a motor stator assembly and a rotor support; the connecting plate is fixed on the motor shell through a connecting plate bolt, the connecting plate is connected with the engine body through a connecting engine body bolt, an engine output shaft extends into the connecting plate from the engine body and is fixedly connected with the connecting plate, and the front end of the rotor support extends into the connecting plate and is directly connected with the engine output shaft through a plurality of motor rotor assembly mounting bolts; and wherein, the motor stator subassembly is packed into from the front end of motor casing to the shrink fit is on motor casing, and motor stator subassembly and the coaxial arrangement of motor rotor subassembly.

Above-mentioned structure still has some shortcomings, does not set up better cooling structure on the motor casing, and easy overheated does not set up terminal box isolation structure, and the part falls into the motor casing easily during the assembly, produces bad gas exchange between terminal box cavity and the motor cavity, and flywheel and the split type design of rotor support, motor length are longer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotary-transformer rear-mounted integrated rotor multi-annular cooling water channel range extender which is capable of shortening the length of a motor, stronger in compatibility, good in heat dissipation effect, capable of effectively isolating a junction box and a motor shell and less in possibility of being influenced by the environment.

The technical scheme of the utility model is as follows:

the fore-aft direction of the present invention is defined as the engine block being forward and the rear end cover being rearward.

The utility model provides a change rearmounted integral type rotor multiple annular cooling water course soon and increase journey ware, includes engine body, bent axle, first bolt, motor casing, second bolt, resolver, stator module, rotor subassembly, spider, rear end cap, third bolt, flywheel board, connecting axle, terminal box and division board, the spider passes through second bolted connection bent axle, the rear end cap passes through third bolted connection the motor casing, the engine flywheel with the spider is integrated integrative, and power transmission is more stable, and the structure is simplified more, and it is more convenient to install.

The motor casing is provided with more than 2 annular water channels, adopts many annular water channels, and heat radiating area is bigger, and the cooling effect is good.

The motor casing passes through the rear end of first bolted connection flywheel board, the front end of flywheel board with the engine is connected, and the engine passes through flywheel casing connecting plate and connects the motor, and compatibility is stronger, and the replacement corresponds flywheel board can the adaptation.

The rotor support rear end internally mounted has the connecting axle, the connecting axle with radial space between the rear end cap is installed resolver for axial structure is compacter.

The rear end cover is provided with a junction box, and the isolation plate is arranged at the interface of the wiring and the motor shell. The motor cavity is isolated from the junction box cavity, so that the possibility of entering of external and environmental impurities is lower

Preferably, the wiring seat is integrated on the isolation plate, so that the integration level is high, and the installation is simple.

Preferably, the flywheel plate and the motor shell have the same outer diameter, so that the flywheel plate and the motor shell are convenient to process and install.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a rotary-change rear integrated rotor multi-annular cooling water channel range extender.

Fig. 2 is a sectional view of an installation structure of the junction box according to the present invention.

In the figure: 1-an engine body, 2-a crankshaft, 3-a first bolt, 4-a motor shell, 401-a water channel, 5-a second bolt, 6-a rotary transformer, 7-a stator component, 8-a rotor component, 9-a rotor bracket, 10-a rear end cover, 11-a third bolt, 12-a flywheel plate, 13-a connecting shaft, 14-a junction box and 15-a separation plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein the exemplary embodiments and descriptions are provided for illustration of the utility model and not for limitation of the utility model.

In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "front", "rear", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that a device or structure referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1:

as shown in fig. 1, a rotary-change rear-mounted integrated rotor multi-annular cooling water channel range extender comprises an engine body 1, a crankshaft 2, a first bolt 3, a motor housing 4, a second bolt 5, a rotary transformer 6, a stator assembly 7, a rotor assembly 8, a rotor support 9, a rear end cover 10, a third bolt 11, a flywheel plate 12, a connecting shaft 13, a junction box 14 and a partition plate 15, wherein the rotor support 9 is connected with the crankshaft 2 through the second bolt 5, the rear end cover 10 is connected with the motor housing 4 through the third bolt 11, an engine flywheel and the rotor support 9 are integrated into a whole,

as shown in fig. 1 and 2, the motor casing 4 is provided with more than 2 annular water channels 401, the motor casing 4 is connected with the rear end of the flywheel plate 12 through the first bolt 3, the front end of the flywheel plate 12 is connected with the engine, the connecting shaft 13 is installed inside the rear end of the rotor bracket 9, and the rotary transformer 6 is installed in the radial space between the connecting shaft 13 and the rear end cover 10.

As shown in fig. 2, a terminal box 14 is disposed on the rear end cover 10, and the isolation plate 15 is disposed at an interface between the terminal box 14 and the motor housing 4.

Power generation transmission path of the embodiment: the crankshaft 2 outputs power, the generator generates power, electric energy is output to the generator controller through a cable, and finally the electric energy is output through the generator controller to be used by the whole vehicle.

Example 2:

as shown in fig. 1 and 2, a rotary transformer rear integrated rotor multi-annular cooling water channel range extender comprises an engine body 1, a crankshaft 2, a first bolt 3, a motor shell 4, a second bolt 5, a rotary transformer 6, a stator assembly 7, a rotor assembly 8, a rotor support 9, a rear end cover 10, a third bolt 11, a flywheel plate 12, a connecting shaft 13, a junction box 14 and a partition plate 15, wherein the rotor support 9 is connected with the crankshaft 2 through the second bolt 5, the rear end cover 10 is connected with the motor shell 4 through the third bolt 11, an engine flywheel and the rotor support 9 are integrated into a whole, power transmission is more stable, the structure is more simplified, and installation is more convenient.

Be provided with 4 annular water channels 401 on the motor casing 4, adopt many annular water channels 401, heat radiating area is bigger, and the cooling effect is good.

The motor casing 4 passes through the rear end of first bolt 3 connection flywheel board 12, the front end of flywheel board 12 with the engine is connected, and the engine passes through the flywheel casing connecting plate and connects the motor, and compatibility is stronger, and the replacement corresponds flywheel board 12 and can the adaptation.

A connecting shaft 13 is arranged inside the rear end of the rotor support 9, and the rotary transformer 6 is arranged in a radial space between the connecting shaft 13 and the rear end cover 10, so that the axial structure is more compact.

In this embodiment, the rear end cover 10 is provided with a junction box 14, and the isolation plate 15 is disposed at an interface between the junction box 14 and the motor housing 4. The motor cavity is isolated from the cavity of the junction box 14, and the possibility of entering external and environmental impurities is lower

In this embodiment, the wiring seat is integrated on the isolation plate 15, so that the integration level is high and the installation is simple.

In this embodiment, the flywheel plate 12 and the motor casing 4 have the same outer diameter, which is convenient for processing and installation.

Claims

1. The utility model provides a rotatory rearmounted integral type rotor multiple annular cooling water course increases journey ware, includes engine body (1), bent axle (2), first bolt (3), motor casing (4), second bolt (5), resolver (6), stator module (7), rotor subassembly (8), spider (9), rear end cap (10), third bolt (11), flywheel board (12), connecting axle (13), terminal box (14) and division board (15), spider (9) pass through bent axle (2) are connected in second bolt (5), rear end cap (10) are connected through third bolt (11) motor casing (4), its characterized in that: the engine flywheel with rotor support (9) is integrated integrative, be provided with annular water course (401) more than 2 on motor casing (4), motor casing (4) pass through the rear end of flywheel board (12) is connected in first bolt (3), the front end of flywheel board (12) with the engine is connected, rotor support (9) rear end internally mounted has connecting axle (13), connecting axle (13) with radial space installation between rear end housing (10) resolver (6), be provided with terminal box (14) on rear end housing (10), division board (15) set up terminal box (14) with motor casing (4) body kneck.

2. The rotary transformer postposition integrated rotor multi-annular cooling water channel range extender as claimed in claim 1, wherein: and a wire holder is integrated on the isolation plate (15).

3. The rotary transformer postposition integrated rotor multi-annular cooling water channel range extender as claimed in claim 1, wherein: the flywheel plate (12) and the motor shell (4) have the same outer diameter.