CN211047554U

CN211047554U - Motor controller structure

Info

Publication number: CN211047554U
Application number: CN201922195372.5U
Authority: CN
Inventors: 张飞库; 羽永龙; 张帆; 孙喆
Original assignee: Xi'an Xinpai New Energy Vehicle Power Control Research Institute Co ltd
Current assignee: Xi'an Xinpai New Energy Vehicle Power Control Research Institute Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-17
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a machine controller structure, adopt and lead electrical pillar, the controller casing, the connection structure of casing upper cover and wiring connector casing, power device through leading electrical pillar in with the controller casing is connected perpendicularly, be fixed in the casing upper cover with the wiring connector casing, be equipped with the intercommunication chamber that feeds through with leading electrical pillar at the wiring connector casing, it is connected with the system cable to lead the intercommunication chamber that electrical pillar passes through the wiring connector casing, thereby realize leading controller casing external connection through leading electrical pillar with the copper bar connection structure in the controller casing, utilize wiring connector casing formation linkage channel, the space volume in the controller casing has been reduced, moreover, the steam generator is simple in structure, and convenient for connection, and high power density.

Description

Motor controller structure

Technical Field

The utility model belongs to the controller structure, concretely relates to machine controller structure.

Background

At present, a rated 30KW motor controller commonly used in the industry mainly comprises an IGBT module, a bus capacitor, a control circuit, a driving circuit, a main power terminal copper bar and the like. As one of the core components of an electric automobile, the electric automobile is a decisive factor for the dynamic performance of the automobile. The electric vehicle obtains the requirement of the whole vehicle from a vehicle controller, obtains electric energy from a power battery pack, obtains current and voltage required by a control motor through the modulation of an inverter of the electric vehicle, and provides the current and the voltage for a motor, so that the rotating speed and the torque of the motor meet the requirement of the whole vehicle.

The motor controller used in the industry at present adopts an internal wiring terminal for connecting a wire to be led out, so that the motor controller has larger space volume and lower power density, which is not enough to meet the requirements of modern automobiles with fast integration development, and has heavier weight, so that the use efficiency of the whole automobile cannot be improved for new energy automobiles, the volume is large relative to the waterproof area, and the risk is high for IP67 waterproofing, so that the service life of the whole product is greatly reduced; meanwhile, an internal wiring mode is adopted, convenience is poor, wiring is realized by windowing on the outer shell, and the matching of terminals is inconvenient, so that the failure of a waterproof surface at the windowing position is easy to occur, and in terms of molds, the number of the molds is large, and the molds become fragmented; the internal loop of the motor controller adopts copper bar switching, the structure of the copper bar is complex, and the copper bar is subjected to lamination processing or needs to be added with an insulating film, so that the input loop is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machine controller structure to overcome prior art's is not enough.

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

the utility model provides a machine controller structure, is including leading electrical pillar, controller casing, casing upper cover and wiring connector housing, leads electrical pillar and is connected perpendicularly with the power device in the controller casing, and wiring connector housing is fixed in and covers on the casing, and wiring connector housing is equipped with and leads the intercommunication chamber of electrical pillar intercommunication, leads the intercommunication chamber that electrical pillar passes through wiring connector housing and is connected with the system cable.

Further, the controller shell is internally provided with an insulating support, the lower end of the conductive column is provided with a conductive part, one end of the conductive part at the lower end of the conductive column is fixedly connected with the insulating support, the other end of the conductive part at the lower end of the conductive column is connected with a wiring port of the power device, the upper end of the shell is provided with a wiring through hole, the conductive column is positioned in the wiring through hole of the upper cover of the shell, the upper end of the conductive column is provided with a threaded wiring hole, the wiring connector shell is fixed at the upper end of the wiring through hole of the upper cover of the shell, the side wall of the wiring connector shell is provided with a main cable connecting hole, the main cable connecting hole is communicated with the wiring through hole of the upper.

Furthermore, the insulating support is arranged on the inner wall of the controller shell, a wiring groove is formed in the insulating support, and the plane of the insulating support is flush with the wiring port of the power device.

Further, the conductive parts at the lower ends of the conductive columns are respectively connected with the insulating supports) and the wiring grooves of the power device and the wiring ports of the power device are connected through screws.

Further, the sealing cover is connected with the wiring hole of the wiring connector housing through threads.

Furthermore, the upper end of the sealing cover is provided with a binding groove.

Furthermore, a connecting column is arranged outside a main cable connecting hole in the side wall of the wiring connector shell, a sealing connecting sleeve is sleeved on the system cable, and the sealing connecting sleeve is connected with the connecting column in a sealing mode.

Furthermore, a connecting clamping hook is arranged on the outer side of the connecting column, a connecting clamping groove is formed in the sealing connecting sleeve, the connecting column is connected with the sealing connecting sleeve through the clamping hook, and a sealing gasket is arranged at the inner end of the sealing connecting sleeve.

Furthermore, the inner side of the connecting column is provided with an extrusion spring plate, the sealing connecting sleeve is positioned between the inner wall of the connecting column and the system cable, and the sealing connecting sleeve is in surface contact with the system cable through the extrusion spring plate on the inner side of the connecting column.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model relates to a machine controller structure, adopt and lead electrical pillar, the controller casing, the connection structure of casing upper cover and wiring connector casing, be connected perpendicularly through leading electrical pillar and the power device in the controller casing, be fixed in the wiring connector casing and cover on the casing, be equipped with the intercommunication chamber that feeds through with leading electrical pillar at the wiring connector casing, it is connected with the system cable to lead the intercommunication chamber that electrical pillar passes through the wiring connector casing, thereby realize leading controller casing external connection through leading electrical pillar with the copper bar connection structure in the controller casing, utilize wiring connector casing formation linkage channel, the space volume in the controller casing has been reduced, moreover, the steam generator is simple in structure, and is convenient to connect, and the power density is improved.

Furthermore, an insulating support is arranged in the controller shell, a conductive part is arranged at the lower end of the conductive post, one end of the conductive part at the lower end of the conductive post is fixedly connected with the insulating support, the other end of the conductive part at the lower end of the conductive post is connected with a wiring port of a power device, a wiring through hole is arranged at the upper end of the upper cover of the shell, the conductive post is positioned in the wiring through hole of the upper cover of the shell, a threaded wiring hole is arranged at the upper end of the conductive post, the wiring connector shell is fixed at the upper end of the wiring through hole of the upper cover of the shell, a main cable connecting hole is arranged on the side wall of the wiring connector shell, an electric connecting structure is led out to the outer side of the controller shell through the conductive post, the internal space position of the controller shell is effectively, the wiring connection portion is prevented from being disturbed.

Furthermore, the insulating support is arranged on the inner wall of the controller shell, the wiring groove is formed in the insulating support, the insulating support plane is flush with the wiring port of the power device, the stability of the conductive column is ensured, and the extrusion of the power device in the wiring process of the conductive column is prevented.

Furthermore, the conductive part at the lower end of the conductive column is respectively connected with the wiring groove of the insulating support and the wiring port of the power device through screws.

Furthermore, the sealing cover is in threaded connection with the wiring hole of the wiring connector shell, the sealing performance is good, and the connection is stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic diagram of the wiring structure of the present invention.

Wherein, 1, a controller shell; 2. a housing upper cover; 3. a wiring connector housing; 4. a conductive post; 5. insulating support; 6. a conductive portion; 7. a power device; 8. a screw; 9. a sealing cover; 10. a system cable; 11. sealing the connecting sleeve; 12. connecting columns.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings:

as shown in fig. 1 to 3, a motor controller structure includes a conductive post 4, a controller housing 1, a housing upper cover 2, and a wiring connector housing 3, where the conductive post 4 is vertically connected to a power device 7 in the controller housing 1, the wiring connector housing 3 is fixed on the housing upper cover 2, the wiring connector housing 3 is provided with a communication cavity communicated with the conductive post 4, and the conductive post 4 is connected to a system cable 10 through the communication cavity of the wiring connector housing 3; be equipped with insulation support 5 in controller casing 1, it is equipped with conductive part 6 to lead the lower extreme of electrical pillar 4, it supports 5 fixed connection with insulation to lead 6 one end of electrical pillar 4 lower extreme conductive part, it is connected with 7 wiring mouths of power device to lead the 6 other ends of electrical pillar 4 lower extreme conductive part, 2 upper ends of casing upper cover are equipped with the wiring through-hole, it is located 2 wiring through-holes of casing upper cover to lead electrical pillar 4, it is equipped with screw thread wiring hole to lead electrical pillar 4 upper end, wiring connector housing 3 is fixed in 2 wiring through-hole upper ends of casing upper cover, 3 lateral walls of wiring connector housing are equipped with main cable and connect the hole, 2 wiring through-holes of main cable intercommunication casing upper cover, wiring connector housing 3 upper end is equipped with the wiring hole, the wiring hole is located leads electrical pillar 4 upper ends.

Insulating support 5 sets up in controller casing 1 inner wall, is equipped with the wiring recess on insulating support 5, and insulating support 5 plane and power device 7 wiring mouth parallel and level lead the lower extreme conductive part 6 of electrical pillar 4 and be connected through screw 8 with insulating support 5 wiring recess and power device 7 wiring mouth respectively. The insulating support 5 serves as a wiring support structure of the conductive column 4, extrusion of the power device 7 in a conductive column wiring process is prevented, and an insulating layer is arranged on the outer side of the conductive column.

The wiring connector housing 3 is connected to the controller housing 1 by screws.

The sealing cover 9 is connected with the wiring hole of the wiring connector shell 3 through threads, and the upper end of the sealing cover 9 is provided with a binding groove.

A connecting column 12 is arranged outside a main cable connecting hole in the side wall of the wiring connector shell 3, a sealing connecting sleeve 11 is sleeved on the system cable 10, and the sealing connecting sleeve 11 is connected with the connecting column 12 in a sealing manner; specifically, a connecting hook is arranged on the outer side of the connecting column 12, a connecting clamping groove is formed in the sealing connecting sleeve 11, the connecting column 12 is connected with the sealing connecting sleeve 11 through the hook, and a sealing gasket is arranged at the inner end of the sealing connecting sleeve 11 to form a sealing connecting structure; or the inner side of the connecting column 12 is provided with an extrusion spring plate, the sealing connecting sleeve 11 is positioned between the inner wall of the connecting column 12 and the system cable 10, and the sealing connecting sleeve 11 is in surface contact with the system cable 10 through the extrusion spring plate on the inner side of the connecting column 12 to form a sealing connecting structure.

Be provided with the IGBT module in the controller casing 1, bus capacitance, power device and drive circuit module, IGBT module and power device, drive circuit module stromatolite formula is arranged, form stacked structure with bus capacitance butt joint, draw forth electric connection structure to the 1 outside of controller casing through leading electrical pillar 4, effectively utilize controller casing inner space position, the mode of being qualified for the next round of competitions is simple direct, take off sealed lid 9, connect the hole with system cable 10 and penetrate through main cable and be located and lead electrical pillar 4 upper end, direct wiring through the screw, wiring structure is simple, can effectively reduce the product volume, and the power density is improved.

Claims

1. The utility model provides a motor controller structure, characterized in that, including leading electrical pillar (4), controller casing (1), casing upper cover (2) and wiring connector housing (3), it is connected perpendicularly with power device (7) in controller casing (1) to lead electrical pillar (4), on wiring connector housing (3) was fixed in casing upper cover (2), wiring connector housing (3) were equipped with the intercommunication chamber with leading electrical pillar (4) intercommunication, it is connected with system cable (10) to lead electrical pillar (4) through the intercommunication chamber of wiring connector housing (3).

2. A motor controller structure according to claim 1, wherein an insulating support (5) is provided in the controller housing (1), a conductive portion (6) is provided at the lower end of the conductive post (4), one end of the conductive portion (6) at the lower end of the conductive post (4) is fixedly connected to the insulating support (5), the other end of the conductive portion (6) at the lower end of the conductive post (4) is connected to the connection port of the power device (7), a connection through hole is provided at the upper end of the housing upper cover (2), the conductive post (4) is located in the connection through hole of the housing upper cover (2), a threaded connection hole is provided at the upper end of the conductive post (4), the connection connector housing (3) is fixed at the upper end of the connection through hole of the housing upper cover (2), a main cable connection hole is provided at the side wall of the connection connector housing (3), the main cable connection hole is communicated with the connection, the wiring hole is located and leads electrical pillar (4) upper end, and the downthehole sealed lid (9) that is equipped with of wiring connector housing (3), the tip and the leading electrical pillar (4) fixed connection of system cable (10).

3. A motor controller structure according to claim 1, characterized in that the insulating support (5) is arranged on the inner wall of the controller housing (1), the insulating support (5) is provided with wiring grooves, and the plane of the insulating support (5) is flush with the wiring port of the power device (7).

4. A motor controller structure according to claim 3, characterized in that the conductive part (6) at the lower end of the conductive column (4) is connected with the wiring groove of the insulating support (5) and the wiring port of the power device (7) by a screw (8).

5. A motor controller structure according to claim 1, characterized in that the sealing cover (9) is screw-coupled to the wiring hole of the wiring connector housing (3).

6. A motor controller structure according to claim 5, characterized in that the upper end of the sealing cover (9) is provided with a stapling groove.

7. A motor controller structure according to claim 1, characterized in that a connection column (12) is provided outside the main cable connection hole of the side wall of the wiring connector housing (3), a sealing connection sleeve (11) is sleeved on the system cable (10), and the sealing connection sleeve (11) is connected with the connection column (12) in a sealing manner.

8. A motor controller structure according to claim 7, characterized in that the outside of the connecting column (12) is provided with a connecting hook, the sealing connecting sleeve (11) is provided with a connecting groove, the connecting column (12) is connected with the sealing connecting sleeve (11) through the connecting hook, and the inner end of the sealing connecting sleeve (11) is provided with a sealing gasket.

9. A motor controller structure according to claim 7, characterized in that the inner side of the connection column (12) is provided with a pressing spring plate, the sealing connection sleeve (11) is located between the inner wall of the connection column (12) and the system cable (10), and the sealing connection sleeve (11) is in surface contact with the system cable (10) through the pressing spring plate inside the connection column (12).