CN215378698U

CN215378698U - Integrated motor

Info

Publication number: CN215378698U
Application number: CN202120483191.7U
Authority: CN
Inventors: 陈孙艺; 顾健博; 谢维钦; 王景峰; 高志敏
Original assignee: Quanzhou Kpl Electric Appliance For Vehicle Co ltd
Current assignee: Quanzhou Kpl Electric Appliance For Vehicle Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-31
Anticipated expiration: 2031-03-05

Abstract

The utility model provides an integrated motor which comprises a motor shell, a shafting assembly arranged in the motor shell, a front end cover detachably connected to one end of the motor shell and an electric control box detachably connected to the other end of the motor shell, wherein a bearing seat is fixedly or integrally connected to the inner cavity of the electric control box, a bearing matched with the shafting assembly is arranged on the bearing seat, an electric control installation chamber is formed in one side, far away from the motor shell, of the inner cavity of the electric control box, and an electric control assembly is arranged in the electric control installation chamber. The electric control box is adopted to replace a rear end cover of a traditional motor to support a shafting assembly of the motor, so that the high integration of the motor to the electric control assembly is realized, the space for installing the electric control box in the traditional mode can be saved, and the occupied space is relatively small.

Description

Integrated motor

Technical Field

The utility model relates to a motor, in particular to an integrated motor.

Background

The motor and the electronic control on the traditional vehicle are mutually independent components, and the motor and the electronic control are arranged on different positions of the vehicle, so that the occupied space is larger. At present, a plurality of motors integrating an electric control system appear in the market, but the motors are only used for fixedly connecting a motor shell and an electric control box together, the structures of the original motors and the electric control box are not changed, and the occupied space cannot be reduced.

In view of the above, the applicant has made an intensive study on an integrated motor structure, and has made the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated motor which occupies relatively small space.

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

the utility model provides an integrate motor, is in including motor casing and setting shafting subassembly in the motor casing, still including dismantling to be connected the front end housing of motor casing one end and can dismantle the connection and be in the automatically controlled box of the motor casing other end, the inner chamber fixed connection or the body coupling of automatically controlled box have the bearing frame, be provided with on the bearing frame with shafting subassembly complex bearing, the inner chamber of automatically controlled box is lieing in the bearing frame is kept away from one side formation automatically controlled installation room of motor casing, be provided with automatically controlled subassembly in the automatically controlled installation room.

As an improvement of the utility model, the bearing seat is also provided with a rotary encoder matched with the shafting assembly.

As an improvement of the utility model, an opening communicated with an inner cavity of the electric control box is arranged on one side of the electric control box away from the motor shell, and a cover plate covering the opening is detachably connected to the opening.

As an improvement of the utility model, a cooling water path is formed on the motor casing, an annular partition plate is arranged in the electronic control installation chamber, baffle plates are respectively and fixedly connected between two ends of the annular partition plate and the side wall of the electronic control installation chamber, the annular partition plate, the side wall of the electronic control installation chamber and each baffle plate jointly surround to form a cooling chamber, sealing plates are respectively arranged on two sides of the cooling chamber, a connecting hole communicated with the cooling water path is formed in the sealing plate relatively close to the motor casing, and a water inlet communicated with the cooling chamber is formed in the electronic control box.

As an improvement of the utility model, a junction box is fixedly connected to the outer wall of the electric control box, a wiring hole is formed in the position of the electric control box between the annular partition plate and the bearing seat, a wiring seat electrically connected with the electric control assembly is installed in the wiring box, and a connecting wire between the wiring seat and the electric control assembly is inserted into the wiring hole or the wiring seat is inserted into the wiring hole.

As an improvement of the present invention, the electric control assembly includes a controller capacitor inserted into the annular partition plate, a high power switch device fixedly connected to the sealing plate relatively far away from the motor housing, a first circuit board located on a side of the controller capacitor far away from the bearing seat, a second circuit board located on a side of the first circuit board far away from the controller capacitor, and a wiring copper bar located on a side of the second circuit board far away from the first circuit board, the controller capacitor and the high power switch device are respectively welded to the first circuit board, the first circuit board is fixedly connected to a plurality of binding posts inserted into the second circuit board, and the wiring copper bar is simultaneously and fixedly connected to the binding posts and electrically connected to the first circuit board through the binding posts.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the electric control box is adopted to replace a rear end cover of a traditional motor to support a shafting assembly of the motor, so that the high integration of the motor to the electric control assembly is realized, the space for installing the electric control box in the traditional mode can be saved, and the occupied space is relatively small.

2. Through setting up the cooling chamber to with the cooling water route intercommunication on cooling chamber and the motor casing, the cooling system of usable motor cools off automatically controlled chip, and heat dispersion is better relatively.

3. The electric control assembly adopted by the utility model has a reasonable structure, and greatly improves the space utilization rate of the electric control installation chamber under the condition of ensuring heat dissipation.

Drawings

FIG. 1 is a schematic structural diagram of an integrated motor according to the present invention;

FIG. 2 is a schematic diagram of a partially exploded structure of an integrated motor according to the present invention;

fig. 3 is a schematic structural diagram of an electric control box of the integrated motor of the present invention.

The designations in the figures correspond to the following:

10-motor housing; 11-an inlet;

12-water outlet joint; 40-an electronic control box;

41-a bearing seat; 44-a cover plate;

45-annular spacer plate; 46-a baffle;

47-a sealing plate; 48-connecting port;

49-water outlet; 50-an electronic control assembly;

51-controller capacitance; 52-high power switching devices;

53-a first circuit board; 54-a second circuit board;

55-wiring copper bar; 56-terminal post;

57-control signal interface; 60-water inlet joint;

70-a junction box; 71-a wire holder;

72-high voltage line connection.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments.

As shown in fig. 1 to fig. 3, the embodiment provides an integrated motor, which includes a motor housing 10, a shaft assembly (not shown in the drawings) disposed in the motor housing 10, a front end cover (not shown in the drawings) detachably connected to one end of the motor housing 10, and an electronic control box 40 detachably connected to the other end of the motor housing 10, where the shaft assembly includes components located in the motor housing 10, such as an output shaft, a stator, and a rotor, a cooling water path is disposed on the motor housing 10, an inlet 11 of the cooling water path is located on an end surface of the motor housing 10 facing one end of the electronic control box 40, an outlet of the cooling water path is located on a circumferential side wall of the motor housing 10, and a water outlet 12 is connected to the outlet. The structure of the motor housing 10 is the same as that of a conventional driving motor for a vehicle except for the inlet position of the cooling water path, and the structure of the shaft assembly, the structure of the front end cover, the connection structure between the shaft assembly and the motor housing 10, and the connection structure between the motor housing 10 and the front end cover are the same as those of the conventional driving motor for a vehicle.

The electronic control box 40 is detachably connected with the motor shell 10 in a bolt connection mode, and a sealing ring is arranged at the connection position between the electronic control box and the motor shell. The inner cavity of the electric control box 40 is fixedly connected or integrally connected with a bearing seat 41, and a bearing matched with the shafting assembly is arranged on the bearing seat 41 to support the shafting assembly. Preferably, the bearing seat 41 is further provided with a rotary encoder matched with the shafting assembly.

The inner cavity of the electronic control box 40 forms an electronic control installation chamber at one side of the bearing seat 41 far away from the motor housing 10, and the electronic control assembly 50 is arranged in the electronic control installation chamber, preferably, in order to install the electronic control assembly 50, an opening communicated with the inner cavity of the electronic control box 40 is arranged at one side of the electronic control box 40 far away from the motor housing 10, and a cover plate 44 covering the opening is detachably connected to the opening in a bolt connection or fastening mode.

An annular partition plate 45 which is coaxial with the bearing is arranged in the electric control installation chamber, the annular partition plate 45 is of an open-loop structure rather than a closed-loop structure, baffle plates 46 are fixedly connected between two ends of the annular partition plate 45 and the side wall of the electric control installation chamber respectively, the annular partition plate 45, the side wall of the electric control installation chamber and each baffle plate 46 jointly surround to form a cooling chamber, sealing plates 47 are arranged on two sides of the cooling chamber respectively so as to seal the cooling chamber, wherein the sealing plate 47 relatively close to the motor shell 10 is fixedly connected with the annular partition plate 45 and the baffle plates 46 in an integrated connection mode, a connecting hole 48 communicated with a cooling water channel is formed in the sealing plate 47, of course, a sealing structure is required to be arranged between the connecting hole 48 and the inlet 11, such as a sealing gasket clamped between the motor shell 10 and the electric control box 40 to avoid water leakage, the sealing plate 47 relatively far away from the motor shell 10 is hermetically connected with the annular partition plate 45 and the baffle plates 46 through a buckling or bolt connection structure, preferably, the sealing plate 47 relatively far from the motor housing 10 includes two fixedly connected plate bodies, so that the high-power switching device 52 mentioned below can be clamped between the two plate bodies, the connection is strong and the cooling effect is good, and the specific fixed connection structure between the two plate bodies can be a conventional structure, such as bonding or fastening. In addition, the electric control box 40 is provided with a water inlet hole 49 communicated with the cooling chamber, the water inlet hole 49 is connected with a water inlet joint 60, and the water inlet hole 49 and the connecting hole 48 are preferably respectively positioned at the positions close to the two ends of the annular partition plate 45, so that after cooling water flows in from the water inlet hole 49, the electric control assembly 50 can be cooled firstly and then flows into the motor shell 10 to cool the shafting assembly.

The outer wall of the electric control box 40 is fixedly connected with a junction box 70 in an integrally connected mode, a wiring hole is formed in the position, located between the annular partition plate 45 and the bearing seat 41, of the electric control box 40, a wiring seat 71 electrically connected with the electric control assembly 50 is installed in the junction box 70, a connecting wire between the wiring seat 71 and the electric control assembly 50 is inserted in the wiring hole, or the wiring seat 71 is inserted in the wiring hole, so that the electric connection between the wiring seat 71 and the electric control assembly 50 is achieved. Of course, the terminal block 70 is further provided with a high-voltage wire connector 72 electrically connected to the terminal base 71 so as to be connected to an external power source (the external power source is not a part of the integrated motor provided in this embodiment and needs to be separately provided). Preferably, the side of the junction box 70 away from the electronic control box 40 is opened with a mouth, and the mouth is detachably connected with the box cover through a fastening or bolt structure so as to install the wire holder 71.

If the conventional electronic control assembly 50 is directly installed in the electronic control installation chamber, the outer contour diameter of the electronic control box 50 needs to be greatly increased, and preferably, in the present embodiment, the electronic control assembly 50 includes a controller capacitor 51 inserted into the annular partition plate 45, a high-power switching device 52 fixedly connected to the sealing plate 47 relatively far away from the motor housing 10, a first circuit board 53 located on one side of the controller capacitor 51 far away from the bearing seat 41, a second circuit board 54 located on one side of the first circuit board 53 far away from the controller capacitor 51, and a wiring copper bar 55 located on one side of the second circuit board 54 far away from the first circuit board 53, where the electronic components are conventional electronic components, and the high-power switching device 52 is multiple in number, and the high-power switching devices 52 are uniformly distributed on the annular partition plate 45, so that the cooling effect is good. Controller electric capacity 51 and each high power switching device 52 weld respectively on first circuit board 53, and simultaneously, fixedly connected with is a plurality of terminal 56 of interlude on second circuit board 54 on the first circuit board 53, terminal 56 is metal terminal 56, and terminal 56 has threely, correspond with three phase current's three phase circuit respectively, wiring copper bar 55 also has threely, respectively one-to-one fixed connection is connected on three terminal 56 and is connected with first circuit board 53 through the terminal 56 that corresponds is electric, in addition, the outside of automatically controlled box 40 is provided with the control signal interface 57 of being connected with second circuit board 54 electricity. This allows the electronic control assembly 50 to be more compact and to be disposed in an electronic control mounting compartment having a relatively small cross-sectional profile diameter. Of course, the wires are connected between the first circuit board 53 and the second circuit board 54, and it should be noted that a total circuit formed by the specific circuit on the first circuit board 53, the specific circuit on the second circuit board 54, and the wires connected therebetween is the same as the circuit structure on the electric control assembly 50 of the conventional vehicle motor, that is, the specific electric control circuit structure is not changed in this embodiment, but the arrangement structure of each electronic component in the circuit and the specific arrangement structure of the circuit boards are changed.

When the motor that integrates that this embodiment provided is applicable to the vehicle, need not to set up automatically controlled mounted position on the vehicle, occupation space is less relatively, is favorable to alleviateing vehicle drive assembly's weight, has adapted to the vehicle drive assembly and has integrated and lightweight development trend.

The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.

Claims

1. The utility model provides an integrated motor, is in including motor casing and setting shafting subassembly in the motor casing, its characterized in that still including dismantling the connection the front end housing of motor casing one end and dismantling the connection and be in the automatically controlled box of the motor casing other end, the inner chamber fixed connection or the body coupling of automatically controlled box have the bearing frame, be provided with on the bearing frame with shafting subassembly complex bearing, the inner chamber of automatically controlled box is lieing in the bearing frame is kept away from one side of motor casing forms automatically controlled installation room, be provided with automatically controlled subassembly in the automatically controlled installation room.

2. An integrated motor according to claim 1, wherein the bearing housing is further provided with a rotary encoder cooperating with the shaft assembly.

3. An integrated motor as claimed in claim 1, wherein an opening communicating with the inner cavity of the electronic control box is formed in a side of the electronic control box away from the motor housing, and a cover plate covering the opening is detachably connected to the opening.

4. An integrated motor as claimed in claim 1, wherein a cooling water path is defined on the motor housing, an annular partition is disposed in the electric control installation chamber, baffles are fixedly connected between two ends of the annular partition and a side wall of the electric control installation chamber, the annular partition, the side wall of the electric control installation chamber and each baffle jointly surround to form a cooling chamber, sealing plates are disposed on two sides of the cooling chamber, the sealing plate relatively close to the motor housing is provided with a connecting hole communicated with the cooling water path, and the electric control box is provided with a water inlet communicated with the cooling chamber.

5. An integrated motor according to claim 4, wherein a junction box is fixedly connected to an outer wall of the electrical control box, a wiring hole is formed in the electrical control box at a position between the annular partition plate and the bearing seat, a wiring seat electrically connected to the electrical control assembly is installed in the junction box, and a connecting wire between the wiring seat and the electrical control assembly is inserted into the wiring hole or the wiring seat is inserted into the wiring hole.

6. An integrated motor according to claim 4, wherein the electrical control assembly comprises a controller capacitor inserted into the annular partition plate, a high-power switching device fixedly connected to the sealing plate relatively far away from the motor housing, a first circuit board located on the side of the controller capacitor far away from the bearing seat, a second circuit board located on the side of the first circuit board far away from the controller capacitor, and a copper wiring bar located on the side of the second circuit board far away from the first circuit board, the controller capacitor and the high-power switch device are respectively welded on the first circuit board, a plurality of binding posts which are inserted on the second circuit board are fixedly connected on the first circuit board, the wiring copper bar is fixedly connected to each wiring terminal at the same time and is electrically connected with the first circuit board through the wiring terminals.