CN211481673U

CN211481673U - Three-in-one motor controller

Info

Publication number: CN211481673U
Application number: CN201922055911.5U
Authority: CN
Inventors: 吴冰; 单海
Original assignee: Tercel Suzhou Control Technology Co ltd
Current assignee: Tercel Suzhou Control Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-11
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a trinity machine controller, including casing, upper cover and lower cover are sealed respectively the upper and lower open-end of casing, the middle part of casing is provided with the heat dissipation layer, the heat dissipation layer will two upper and lower cavitys are divided into to the casing, are provided with DC/DC converter and contactor in the upper cavity, are provided with the on-vehicle machine that charges in the lower cavity. The beneficial effects of the utility model are mainly embodied in that: the structure is exquisite, integrates DC/DC converter, machine controller and on-vehicle machine three of charging ingeniously in the casing to set up water-cooling heat dissipation layer in the middle part of the casing, fully contact with DC/DC converter, machine controller and on-vehicle machine of charging, utilize recirculated cooling water to dispel the heat fast. The volume of the shell is reduced, and meanwhile effective heat dissipation is achieved.

Description

Three-in-one motor controller

Technical Field

The utility model relates to a machine controller technical field specifically relates to a trinity machine controller.

Background

An electric vehicle generally uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the output of energy and change the speed and torque of the vehicle. The motor controller is an indispensable constituent element of the electric vehicle.

In the prior art, three electric systems (three electric systems comprise a DC/DC converter, a motor controller and a vehicle-mounted charger) of an electric automobile are separately installed, the complex wiring harness causes very inconvenient maintenance and installation, and the fault rate is greatly increased due to excessive interfaces. The traditional motor integrated controller for the automobile comprises a box body, a motor controller and a DC/DC converter, wherein the motor controller and the DC/DC converter are both arranged in a cavity of the box body, and the motor controller with the structure has the following problems: firstly, the safety performance is poor, when the voltage provided by an external high-voltage battery for a DC/DC converter is too high, and the current is too large, the automobile motor integrated controller has no protection device, and potential safety hazards exist; secondly, the heat productivity of the DC/DC converter is large, and the heat dissipation condition in the box body is poor, so that heat accumulation is caused, and the normal operation of the motor controller and the DC/DC converter is influenced. Therefore, a three-in-one integrated motor controller capable of quickly dissipating heat is urgently needed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a three-in-one motor controller.

The purpose of the utility model is realized through the following technical scheme:

trinity machine controller, including casing, upper cover and lower cover are sealed respectively the upper and lower opening of casing, the middle part of casing is provided with the heat dissipation layer, the heat dissipation layer will two cavitys about the casing divide into are provided with DC/DC converter and contactor in the upper cavity, are provided with on-vehicle machine that charges in the lower cavity.

Preferably, the heat dissipation layer is a cavity into which cooling water can be introduced, and a water inlet and a water outlet are arranged at the connection part of the heat dissipation layer and the shell.

Preferably, the upper surface and the lower surface of the heat dissipation layer are coated with heat conduction silicone grease layers.

Preferably, the edges of the upper opening and the lower opening of the shell are provided with sealing rings, and the upper cover and the lower cover are fixedly connected with the shell through screws respectively.

Preferably, a copper bar, a fuse and a control panel for connection are further arranged in the upper cavity.

Preferably, the housing is provided with a signal terminal outside for communicating with an integrated wiring harness on the control board.

Preferably, a connector for connecting an external device is provided on the outside of the housing.

Preferably, a fixing portion for connection and fixation is arranged at the bottom of the side face of the shell, and a fixing hole in which a screw can be inserted is formed in the fixing portion.

The beneficial effects of the utility model are mainly embodied in that:

the structure is exquisite, integrates DC/DC converter, machine controller and on-vehicle machine three of charging ingeniously in the casing to set up water-cooling heat dissipation layer in the middle part of the casing, fully contact with DC/DC converter, machine controller and on-vehicle machine of charging, utilize recirculated cooling water to dispel the heat fast. The volume of the shell is reduced, and meanwhile effective heat dissipation is achieved.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: the embodiment of the utility model provides a sectional view;

FIG. 2: the embodiment of the utility model discloses remove the schematic diagram after the upper cover;

FIG. 3: the embodiment of the utility model provides a remove the schematic diagram of another angle behind the upper cover;

FIG. 4: the embodiment of the utility model provides an in the schematic diagram of heat dissipation layer.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 4, the utility model discloses a trinity machine controller, including casing 1, upper cover 2 and lower cover 3 are sealed respectively the upper and lower opening of casing 1, the middle part of casing 1 is provided with heat dissipation layer 4, heat dissipation layer 4 will casing 1 divide into two upper and lower cavitys, is provided with DC/DC converter 5 and contactor 6 in the upper cavity 101, is provided with vehicle-mounted machine 7 that charges in the cavity 102 down. The utility model provides a casing 1, upper cover 2 and lower cover 3 are the metal material, are the aluminum alloy material in the preferred embodiment, and the metal material that other qualities are light, chemical property is good, good heat dissipation can also be used to other embodiments of course.

Specifically, as shown in fig. 1, the heat dissipation layer 4 is a cavity into which cooling water can be introduced, and a water inlet 401 and a water outlet 402 are disposed at a connection position of the heat dissipation layer and the housing 1. A water channel (not shown in the figure) for passing cooling water is arranged in the cavity, and in order to improve the sealing performance of the water channel, the water channel is sealed in a friction stir welding mode. The water inlet 401 and the water outlet 402 are respectively communicated with a water cooling system of the electric automobile, and the DC/DC converter 5, the contactor 6 and the vehicle-mounted charger 7 which are arranged above and below the heat dissipation layer 4 are cooled by circulating cooling water.

As shown in fig. 4, in order to improve the heat dissipation performance of the heat dissipation layer 4, the upper and lower surfaces of the heat dissipation layer 4 are coated with heat conductive silicone layers 8. The heat-conducting silicone grease layer 8 can enable the DC/DC converter 5, the contactor 6 and the vehicle-mounted charger 7 to be in effective good contact with the heat dissipation layer 4, so that the contact thermal resistance is reduced, and rapid heat dissipation is facilitated.

As shown in fig. 2 and fig. 3, in order to improve the protection level of the present invention, the upper and lower opening edges of the casing 1 are provided with sealing rings 9, and the upper cover 2 and the lower cover 3 are respectively fixed to the casing 1 by screws (not shown in the figure) and sealed by the sealing rings 9.

As shown in fig. 2 and 3, in order to effectively connect the device modules, a copper bar 10, a fuse 11 and a control board 12 are further disposed in the upper cavity 101. The outside of casing 1 is provided with and is used for connecting outside connector 13 and signal terminal 16, be provided with the sign that is used for distinguishing its usage and connect corresponding external equipment on the connector 13 respectively, signal terminal 16 is used for the intercommunication inside DC/DC converter 5, contactor 6 and on-vehicle machine 7 that charges are integrated be in pencil on the control panel 12, this is prior art, not the utility model discloses a key point, the unnecessary repeated description is not done here. In order to ensure the sealing property inside the housing 1, the connector 13 and each of the connection ports are of a sealing type.

In order to facilitate installation and fixation of the housing 1, a fixing portion 14 for connection and fixation is provided at a bottom of a side surface of the housing 1, and a fixing hole 15 into which a screw can be inserted is provided in the fixing portion 14. In the preferred embodiment, the bottom of the housing 1 is provided with 4 fixing portions 14. The fixing portion 14 may be disposed at the bottom of the housing 1 or at the upper or middle portion thereof.

The utility model discloses the structure is exquisite, integrates DC/DC converter 5, machine controller 6 and on-vehicle machine 7 three of charging in casing 1 ingeniously, and 1 middle part of casing sets up heat dissipation layer 4, and with DC/DC converter 5, machine controller 6 and on-vehicle machine 7 of charging abundant contact, utilize the rapid heat dissipation of recirculated cooling water. The volume of the shell is reduced, and meanwhile effective heat dissipation is achieved.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. Three-in-one motor controller, its characterized in that: the automobile charger is characterized by comprising a shell (1), an upper cover (2) and a lower cover (3), wherein the upper cover (2) and the lower cover (3) are respectively sealed, an upper opening and a lower opening of the shell (1) are formed, a heat dissipation layer (4) is arranged in the middle of the shell (1), the heat dissipation layer (4) is used for dividing the shell (1) into an upper cavity and a lower cavity, a DC/DC converter (5) and a contactor (6) are arranged in the upper cavity (101), and an automobile charger (7) is arranged in the lower cavity (102).

2. The three-in-one motor controller of claim 1, wherein: the heat dissipation layer (4) is a cavity into which cooling water can be introduced, and a water inlet (401) and a water outlet (402) are arranged at the joint of the heat dissipation layer and the shell (1).

3. The three-in-one motor controller of claim 2, wherein: the upper surface and the lower surface of the heat dissipation layer (4) are coated with heat conduction silicone grease layers (8).

4. The three-in-one motor controller of claim 3, wherein: and the edges of the upper opening and the lower opening of the shell (1) are provided with sealing rings (9), and the upper cover (2) and the lower cover (3) are fixedly connected with the shell (1) through screws respectively.

5. The three-in-one motor controller of claim 4, wherein: the upper cavity (101) is also internally provided with a copper bar (10), a fuse (11) and a control panel (12) which are used for connection.

6. The three-in-one motor controller of claim 5, wherein: and a signal terminal (16) is arranged outside the shell (1) and is used for communicating with an integrated wiring harness on the control board (12).

7. The three-in-one motor controller of claim 6, wherein: and a connector (13) for connecting external equipment is arranged on the outer end surface of the shell (1).

8. The three-in-one motor controller of claim 7, wherein: the side bottom of casing (1) is provided with fixed part (14) that are used for connecting fixedly, but fixed part (14) are interior to have the fixed orifices (15) of plug-in screw.