CN220368914U

CN220368914U - Motor controller installation connection structure

Info

Publication number: CN220368914U
Application number: CN202322072531.9U
Authority: CN
Inventors: 季艳利; 唐国强; 高盼; 马志雄
Original assignee: Tongxinmei Electronics Shanghai Co ltd
Current assignee: Tongxinmei Electronics Shanghai Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-19
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of electric automobiles, and discloses a motor controller mounting and connecting structure. This motor controller installs connection structure includes: a securing mechanism, the securing mechanism comprising: the upper cover is installed in the top of shell interlude, the bottom surface fixed mounting of upper cover has pneumatic spring, and pneumatic spring's below fixed mounting has the pressure board, the major axis bolt is installed in the interlude of shell bottom surface four corners, the inside fixed mounting of shell has heat dissipation mechanism, makes the state that can form fixed connection between upper cover and the shell through the mode with major axis bolt run through shell and upper cover to can make fixed connection between upper cover and the vehicle, and the cylindricality structure in upper cover four corners can be convenient for the location between upper cover and the shell, the installation of the major axis bolt of being convenient for, and can make the connected state between upper cover and the shell more firm.

Description

Motor controller installation connection structure

Technical Field

The utility model relates to the technical field of electric automobiles, in particular to a motor controller mounting and connecting structure.

Background

The motor controller is an integrated circuit which actively works to control the motor to work according to the set direction, speed, angle and response time, and in the electric vehicle, the motor controller has the functions of converting the electric energy stored by the power battery into the electric energy required by the driving motor according to instructions such as gear, accelerator and brake, so as to control the starting operation, advancing and retreating speed, climbing force and other running states of the electric vehicle, or assist the electric vehicle to brake and store part of braking energy into the power battery. It is one of the key components of electric vehicles.

The existing references are: CN209823598U, which discloses a motor controller installation structure, comprises a bottom plate and a motor controller body, wherein a limiting plate and a first bracket are fixedly arranged on the left side of the bottom plate, a second bracket is fixedly arranged on the right side of the bottom plate, a sliding block is connected with the bottom plate in a sliding fit manner, and the first compression bar and the second compression bar are propped against the top of the motor controller body; one side of the motor controller is limited by a limiting plate, and the other end of the bottom plate is tightly pressed by a sliding block; the device is simple in structure, does not need to independently install the motor controller, but sets up it on the bottom plate, limits and compresses tightly through controlling and top direction, realizes the fixed of position, simple structure, easy dismounting.

The current motor controller adopts the encapsulation casing with good sealing performance in order to prevent dust from affecting the work of high-voltage components on the internal PCB, so that heat generated by components such as resistance and capacitance on the PCB during work cannot be quickly transferred to the air, although circuit elements inside the motor controller have good high-temperature aging resistance, the service life of the motor controller can be affected to a certain extent by the high temperature, and the relative position between the motor controller and a motor is kept fixed by a plurality of bolts for ensuring that the relative position between the motor controller and the motor is kept fixed, so that the motor controller is inconvenient to install.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a motor controller installation and connection structure which has the advantages of good heat dissipation effect, convenience in installation and the like, and solves the technical problems.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: a motor controller mounting connection structure comprising: a securing mechanism, the securing mechanism comprising: the shell is provided with an upper cover in a penetrating manner above the shell, the bottom surface of the upper cover is fixedly provided with a pneumatic spring, the lower part of the pneumatic spring is fixedly provided with a pressing plate, four corners of the bottom surface of the shell are provided with long shaft bolts in a penetrating manner, and the interior of the shell is fixedly provided with a heat dissipation mechanism;

the heat dissipation mechanism comprises heat dissipation fins fixedly arranged on the bottom surface of the inner wall of the shell, a copper plate is fixedly arranged above the heat dissipation fins, heat conduction gel is filled above the copper plate, a receiving frame is fixedly arranged below the heat dissipation fins, a support is fixedly arranged inside the receiving frame, a motor is installed inside the support in a penetrating mode, and fan blades are fixedly installed on the motor; the heat dissipation fins can improve heat dissipation efficiency.

As the preferable technical scheme of the utility model, the bottom ends of the vertical surfaces on the left side and the right side of the shell are provided with open pore structures penetrating through the shell, the bottom surface of the shell is provided with rectangular open pore arrays vertically penetrating through the shell, the four corners of the bottom surface of the upper cover are provided with columnar bulge structures, the columnar open pores of the upper cover are installed at the four corners of the shell in a penetrating way, and the bottom surface of the upper cover is provided with bulge structures embedded with the inner wall of the shell; the columnar protruding structure of the upper cover can facilitate the installation of the upper cover.

As the preferable technical scheme of the utility model, the long shaft bolt penetrates through the shell and the upper cover, and the upper cover is fixedly connected with the shell through the long shaft bolt; the long shaft bolt can enable the shell to be fixedly connected with the upper cover.

As a preferable technical scheme of the utility model, the bottom surface of the upper cover is provided with an open pore array which is embedded with a pneumatic spring, and the pneumatic spring is embedded and installed in each open pore structure of the bottom surface of the upper cover; the pneumatic spring is capable of fixing the motor controller inside the housing through the pressurizing plate.

As the preferable technical scheme of the utility model, the radiating fins are equidistantly arranged on the bottom surface of the shell, the top surfaces of the radiating fins are fixedly connected with the copper plate, and the copper plate is embedded and arranged in the shell; the copper plate is capable of absorbing heat.

As a preferable technical scheme of the utility model, the bearing frame is embedded and installed in each open pore structure of the bottom surface of the shell; the bearing frame can play a supporting role on the motor through the support.

As the preferable technical scheme of the utility model, the direction of the fan blade is vertical downwards, and the fan blade and the motor form rotary connection; the fan blades face vertically downwards, so that air between the radiating fins can be discharged downwards.

Compared with the prior art, the utility model provides a motor controller installation and connection structure, which has the following beneficial effects:

1. according to the utility model, the long shaft bolt penetrates through the shell and the upper cover, so that the upper cover and the shell can be fixedly connected, the upper cover and the vehicle can be fixedly connected, the column structure at four corners of the upper cover can facilitate positioning between the upper cover and the shell, installation of the long shaft bolt is facilitated, the connection state between the upper cover and the shell is more stable, in the screwing process of the long shaft bolt, the pneumatic spring at the bottom surface of the upper cover can exert a downward force on the pressing plate, and the pneumatic spring can fix the electronic controller and the shell through the pressing plate.

2. According to the utility model, heat generated when the motor controller works is conducted to the copper plate through the heat conducting gel, the effective contact area between the heat conducting gel and air is increased through the heat radiating fins below the copper plate, then the air is discharged out of the shell from the lower part of the shell after entering the shell from the openings on the left side and the right side of the shell through a mode that the motor drives the fan to rotate and blow downwards, and the heat radiating efficiency of the heat radiating fins is improved through a mode of increasing the air flow rate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a fixing mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a fixing mechanism according to the present utility model;

fig. 4 is a schematic structural diagram of a heat dissipation mechanism according to the present utility model.

Wherein: 1. a housing; 101. an upper cover; 102. a pneumatic spring; 103. a pressing plate; 104. a long shaft bolt; 2. a heat radiation fin; 201. copper plate; 202. a thermally conductive gel; 203. a receiving frame; 204. a bracket; 205. a motor; 206. and (3) a fan blade.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and 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 therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

referring to fig. 1 to 3, in the present embodiment, a motor controller mounting connection structure includes: the fixed establishment, fixed establishment includes: the shell 1, the upper cover 101 is installed on the upper side of the shell 1 in a penetrating way, the pneumatic spring 102 is fixedly installed on the bottom surface of the upper cover 101, the pressurizing plate 103 is fixedly installed below the pneumatic spring 102, the long shaft bolts 104 are installed on four corners of the bottom surface of the shell 1 in a penetrating way, and the heat dissipation mechanism is fixedly installed inside the shell 1;

the open pore structure that runs through shell 1 is provided with in the left and right sides facade bottom of shell 1, and the bottom surface of shell 1 is provided with the rectangular open pore array of vertical run through shell 1, and the bottom surface four corners of upper cover 101 is provided with the cylindricality protruding structure, and the cylindricality trompil of upper cover 101 alternates to install in the four corners of shell 1, and the bottom surface of upper cover 101 is provided with the protruding structure with the gomphosis of shell 1 inner wall.

The long shaft bolt 104 penetrates through the housing 1 and the upper cover 101, and the upper cover 101 is fixedly connected with the housing 1 through the long shaft bolt 104.

The bottom surface of the upper cover 101 is provided with an array of openings for engagement with the pneumatic springs 102, and the pneumatic springs 102 are mounted in each of the opening structures on the bottom surface of the upper cover 101 in an engaged manner.

In this embodiment, the shell 1 can play certain guard action to inside motor controller, and the cylindricality protruding structure of upper cover 101 bottom surface four corners setting can be convenient for long axis bolt 104 pass through upper cover 101 and shell 1 simultaneously, and pneumatic spring 102 can apply a decurrent power to pressure plate 103 when long axis bolt 104 is screwed up and make pressure plate 103 hug closely motor controller's top surface be convenient for be fixed in inside the shell 1 with motor controller, and the rectangle trompil structure of shell 1 left and right sides can be convenient for the circulation of air to the heat dissipation.

Embodiment two:

referring to fig. 1 to 4, in the present embodiment, the heat dissipation mechanism includes: the heat radiation fins 2 are fixedly arranged on the bottom surface of the inner wall of the shell 1, the copper plates 201 are fixedly arranged above the heat radiation fins 2, the heat conduction gel 202 is filled above the copper plates 201, the heat radiation fins 2 are equidistantly arranged on the bottom surface of the shell 1, the top surfaces of the heat radiation fins 2 are fixedly connected with the copper plates 201, and the copper plates 201 are embedded and arranged in the shell 1.

A receiving frame 203 is fixedly arranged below the radiating fins 2, the receiving frame 203 is embedded and arranged in each open pore structure of the bottom surface of the shell 1, and a bracket 204 is fixedly arranged in the receiving frame 203.

A motor 205 is installed in the bracket 204 in a penetrating way, a fan blade 206 is fixedly installed on the motor 205, the fan blade 206 faces vertically downwards, and the fan blade 206 and the motor 205 are in rotary connection.

In this embodiment, the heat dissipation efficiency of the heat dissipation fins 2 can be improved by increasing the contact area with air, the copper plate 201 can facilitate heat transfer to the heat dissipation fins 2, the heat conducting gel 202 can fill the gap between the copper plate 201 and the housing 1 while improving the heat conduction efficiency, dust or liquid is prevented from entering the housing 1, the receiving frame 203 can support the motor through the bracket 204, the motor 205 can drive the fan blades 206 to rotate, the fan blades 206 can discharge air between the heat dissipation fins 2 from the lower side when rotating, and air enters between the heat dissipation fins 2 from rectangular openings on the left side and the right side of the housing 1, so that the flowing air takes away the heat absorbed by the heat dissipation fins 2.

When the motor controller is used, the long-axis bolt 104 is required to be removed firstly, the upper cover 101 is removed from the upper side of the shell 1, the motor controller is placed in the shell 1, the shell 1 and the long-axis bolt 104 are reset, the shell 1 and the upper cover 101 are fixed in a vehicle through the long-axis bolt 104, the pneumatic spring 102 is compressed by the upper cover 101 and the pressing plate 103 in the screwing process of the long-axis bolt 104, the pneumatic spring 102 can apply a downward reaction force to the pressing plate 103 to enable the pressing plate 103 to be closely attached to the top surface of the motor controller, the relative position between the motor controller and the shell 1 is fixed in a pressure increasing mode so as to facilitate the fixation of the motor controller in the shell 1, heat is continuously generated when the motor controller works, the heat is conducted to the copper plate 201 through the heat conducting gel 202, the copper plate 201 can conduct the heat to the heat radiating fins 2 which are equidistantly arranged below the copper plate 201, the heat radiating efficiency can be improved through the mode of increasing the effective contact area between the long-axis bolt 104, the heat radiating fins 2 are discharged from the lower side to the shell 1 through the mode of driving the fan blades 206 in a rotating mode, the left side and right side of the shell 1 is enabled to enter the inside the shell 1 from the left side to reach the normal temperature structure.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor controller mounting connection structure, comprising:

the fixing mechanism comprises a shell (1), an upper cover (101) is installed above the shell (1) in a penetrating manner, a pneumatic spring (102) is fixedly installed on the bottom surface of the upper cover (101), a pressing plate (103) is fixedly installed below the pneumatic spring (102), long shaft bolts (104) are installed at four corners of the bottom surface of the shell (1) in a penetrating manner, and a heat dissipation mechanism is fixedly installed inside the shell (1);

the heat dissipation mechanism comprises heat dissipation fins (2) fixedly mounted on the bottom surface of the inner wall of the shell (1), copper plates (201) are fixedly mounted above the heat dissipation fins (2), heat conduction gel (202) is filled above the copper plates (201), a receiving frame (203) is fixedly mounted below the heat dissipation fins (2), a support (204) is fixedly mounted inside the receiving frame (203), a motor (205) is mounted inside the support (204) in a penetrating mode, and fan blades (206) are fixedly mounted on the motor (205).

2. The motor controller mounting connection structure of claim 1, wherein:

the novel portable electronic device is characterized in that the bottom ends of the vertical faces on the left side and the right side of the shell (1) are provided with open pore structures penetrating through the shell (1), the bottom surface of the shell (1) is provided with rectangular open pore arrays vertically penetrating through the shell (1), cylindrical protruding structures are arranged at four corners of the bottom surface of the upper cover (101), the cylindrical open pores of the upper cover (101) are installed at four corners of the shell (1) in an penetrating mode, and protruding structures embedded with the inner wall of the shell (1) are arranged on the bottom surface of the upper cover (101).

3. The motor controller mounting connection structure of claim 1, wherein:

the long shaft bolt (104) penetrates through the shell (1) and the upper cover (101), and the upper cover (101) is fixedly connected with the shell (1) through the long shaft bolt (104).

4. The motor controller mounting connection structure of claim 1, wherein:

the bottom surface of the upper cover (101) is provided with an open pore array which is embedded with the pneumatic spring (102), and the pneumatic spring (102) is embedded and installed in each open pore structure of the bottom surface of the upper cover (101).

5. The motor controller mounting connection structure of claim 1, wherein:

the radiating fins (2) are equidistantly arranged on the bottom surface of the shell (1), the top surfaces of the radiating fins (2) are fixedly connected with the copper plates (201), and the copper plates (201) are embedded and arranged in the shell (1).

6. The motor controller mounting connection structure of claim 1, wherein:

the receiving frame (203) is embedded and installed in each open pore structure of the bottom surface of the shell (1).

7. The motor controller mounting connection structure of claim 1, wherein:

the fan blades (206) face downwards vertically, and the fan blades (206) are in rotary connection with the motor (205).