CN218388395U

CN218388395U - APM module erects mounting structure, voltage converter and on-vehicle machine that charges

Info

Publication number: CN218388395U
Application number: CN202221901016.6U
Authority: CN
Inventors: 冯颖盈; 姚顺; 罗耀文
Original assignee: Shenzhen Vmax Power Co Ltd
Current assignee: Shenzhen Vmax Power Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-01-24
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a mounting structure, voltage converter and on-vehicle machine that charges are erect to the APM module, the mounting structure is erect to the APM module includes: a housing; the flow channel body is arranged in the shell, and a cooling flow channel is arranged inside the flow channel body; a circuit board horizontally disposed above the flow channel body; and the APM module is fixedly adhered to the side wall of the flow channel body and is connected with the circuit board through the vertically arranged adapter plate. The APM module is provided with an installation surface facing the adapter plate and a heat dissipation surface facing the flow channel body, pins bent towards the adapter plate are arranged on two sides of the installation surface, the pins are welded on the adapter plate, and the heat dissipation surface is adhered to the side wall of the flow channel body. The utility model discloses a erect the keysets that sets up and connect APM module and circuit board, cancelled plastic support and elastic pressing strip, simple structure and the equipment production of being convenient for.

Description

APM module vertical installation structure, voltage converter and vehicle-mounted charger

Technical Field

The utility model relates to a pure electronic, mix the car and charge and voltage transformation technical field, mounting structure, voltage converter and on-vehicle machine that charges are erect to concretely relates to APM module.

Background

New energy vehicles are more and more common in daily life, electric vehicles are the main force of the new energy vehicles, products such as a vehicle-mounted charger OBC, a voltage converter DCDC and a power distribution manager PDU are important components of the electric vehicles, and the products are provided with power tubes and the like.

The conventional vehicle-mounted charger generally needs to use a large number of electric elements such as power tubes, and the power tubes are taken as an example, and the common mounting mode is that heat-conducting materials such as heat-conducting films or heat-conducting silicone grease are pasted between the power tubes and a heat dissipation mechanism, a plastic support is used for positioning the mounting positions of the power tubes, elastic pressing strips are used for pressing the power tubes, then a circuit board is mounted, and the power tubes and the circuit board are welded together. Because the power tube is in large quantity and scattered, materials such as heat conduction materials, plastic supports, elastic pressing strips and the like need to be used in the installation mode, so that the installation mode is large in size, high in cost, poor in stability, complex in installation process and low in production efficiency.

Therefore, how to design the vertical mounting structure of the APM module with high production efficiency is an urgent technical problem to be solved in the industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defect that prior art exists, the utility model provides a mounting structure is erect to the APM module, voltage converter and on-vehicle machine that charges, it is pasted the APM module and fixes on the lateral wall of runner body, APM module and circuit board are connected through the keysets of erectting the setting, plastic support and elastic pressing strip have been cancelled, simple structure and the equipment production of being convenient for to utilize the APM module to replace electric elements such as a plurality of power tubes, reduce the power tube quantity in the on-vehicle machine that charges.

The utility model discloses a technical scheme be, design APM module and erect mounting structure, include:

a housing;

the flow channel body is arranged in the machine shell, and a cooling flow channel is arranged inside the flow channel body;

a circuit board horizontally disposed above the flow channel body;

the APM module is fixedly adhered to the side wall of the runner body;

the APM module is connected with the circuit board through the vertically arranged adapter plate.

Further, the APM module is equipped with the installation face towards the keysets and the cooling surface towards the runner body, and the installation face is equipped with the pin of bending to the keysets, and the pin welding is on the keysets, and the cooling surface pastes on the lateral wall of runner body.

Furthermore, the adapter plate is parallel to the side wall of the runner body, and the APM module and the runner body are only bonded and fixed by fixing glue.

Furthermore, the fixing glue is heat-conducting glue.

Further, keysets and circuit board mutually perpendicular, the top edge of keysets is equipped with the welding foot that stretches out up, and the circuit board is equipped with the inserted welding point position of permission welding foot, and welding foot welded fastening is on the circuit board.

Further, the bottom of the adapter plate is supported on the inner bottom surface of the casing.

Further, the APM module is integrated with at least two circuits of a power regulating circuit, a rectifying circuit and a DC-DC circuit.

Furthermore, the machine shell is provided with a liquid inlet and a liquid outlet which are communicated with the cooling flow channel, and cooling liquid in the cooling flow channel circularly flows.

The utility model discloses still provide the voltage converter who has above-mentioned APM module and erect mounting structure.

The utility model discloses the on-vehicle machine that charges that mounting structure was erect to above-mentioned APM module has still been provided.

Compared with the prior art, the utility model discloses a APM module is pasted and is fixed on the lateral wall of runner body, relies on glue can reach the purpose of fixed APM module, need not to increase parts such as plastic support and elastic pressing strip, and the cooling surface is close to the runner body moreover, and the radiating efficiency of APM module is guaranteed on the heat that the APM module gived off can transmit the runner body fast.

Drawings

The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:

FIG. 1 is a schematic view of the mounting structure of the present invention in its fully assembled state;

FIG. 2 is a semi-assembled schematic view of the mounting structure of the present invention;

fig. 3 is an assembly diagram of the APM module and the adapter plate according to the present invention;

fig. 4 is a schematic structural diagram of an APM module according to the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments for further explaining the present invention in detail, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

In the description of the present invention, it is to be understood that the meaning of "a plurality" is two or more unless otherwise specifically limited. The terms "upright," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

For the purpose of illustration, only some, but not all, of the structures associated with the present invention are shown in the drawings.

The utility model provides a mounting structure can be used in on-vehicle machine OBC that charges, voltage converter DCDC and the power distribution manager PDU that charges, also can possess simultaneously in the integrated product of functions such as charging, transform, erects mounting structure to the APM module below and carries out detailed description.

As shown in fig. 1 to 3, the mounting structure includes: casing 1, runner body 2, circuit board 3, keysets 4 and APM module 5, the interior bottom surface of casing 1 is equipped with the runner body 2 that upwards arches, and runner body 2 is metal material, possesses good heat conductivility, and the inside of runner body 2 is equipped with cooling runner 21, and the coolant liquid flows in cooling runner 21. The circuit board 3 is horizontally arranged above the flow channel body 2, and the APM module 5 is stuck and fixed on the side wall of the flow channel body 2 and is connected with the circuit board 3 through the vertically arranged adapter plate 4.

It should be noted that the "connection" referred to herein may be an electrical connection or a structural connection, the interposer itself is also a circuit board, the APM module may be electrically connected to the circuit board through the interposer, that is, the interposer plays a role of connecting a circuit between the APM module and the circuit board, and the APM module may also be structurally connected to the circuit board through the interposer, that is, the interposer plays a role of mounting and positioning the APM module on the circuit board.

As shown in fig. 4, the APM (automatic Power Modules) module 5 is a circuit integrated module, and at least two of a Power adjusting circuit, a rectifying circuit and a DC-DC circuit are integrated in the APM module 5, so that one APM module 5 is used to replace a plurality of electric elements such as Power tubes, and the module has a compact structure, a small volume and better installation consistency, such as an FTCO3V455A1 three-phase Power module of femto semiconductors. The APM module has various structural forms, and mainly includes a package body 51 and pins 52 extending out of the package body 51, the pins 52 may be respectively disposed on two opposite sides of the package body 51, or all the pins 52 may be disposed on the same side of the package body 51.

The utility model provides a feasible embodiment, the shape of encapsulation main part 51 is flat square, two opposite faces that its area is the biggest are installation face 511 and cooling surface 512 respectively, installation face 511 is towards keysets 4, cooling surface 512 is towards runner body 2, cooling surface 512 is pasted on the lateral wall of runner body 2, the heat of APM module passes through cooling surface 512 and glue film and transmits runner body 2 on, coolant liquid in runner body 2 takes away the heat rapidly, effectively reduce the temperature of APM module. The heat dissipation surface 512 may be designed with a heat conduction member such as metal, which is embedded in the heat dissipation surface 512, and at least a part of the heat conduction member is exposed to improve the heat dissipation efficiency. The pins 52 are bent towards the adapter plate 4, so that the pins 52 penetrate through the welding holes on the adapter plate 4 in a vertical or nearly vertical state, the pins 52 are welded on the adapter plate 4, the nearly vertical state means that the included angle between the adapter plates 4 of the pins 52 is within the range of 90 degrees plus or minus allowance, and the value of the allowance can be designed according to actual production needs.

As shown in fig. 2, the adapter plate 4 is parallel to the side wall of the flow channel body 2, and the APM module 5 is fixed to the flow channel body 2 only by means of the fixing glue. It should be noted that the adapter plate 4 and the APM module 5 are fixed to form a whole, the whole is fixed to the flow channel body 2 by the fixing glue, the viscosity of the fixing glue needs to meet the installation requirement of the APM module 5, and at least after the fixing glue is adhered, the APM module 5 can be stably suspended on the side wall of the flow channel body 2.

As shown in fig. 1, the adapter plate 4 is perpendicular to the circuit board 3, the top edge of the adapter plate 4 is provided with the welding pins 41 extending upwards, the circuit board 3 is provided with a welding point position allowing the welding pins 41 to be inserted, the bottom of the adapter plate 4 is supported on the inner bottom surface of the machine shell 1, upward supporting force is provided through the adapter plate 4, on one hand, the APM module 5 can be stably pasted on the side wall of the flow channel body 2, the stress of the joint between the welding pins 41 and the welding point position can be reduced in the other direction, the service life is longer, and the whole structure is more stable and firm. After the APM module 5 is pasted at the corresponding position, the welding pins of the adapter plate 4 are matched with the welding point positions of the circuit board 3, the circuit board 3 is downwards assembled in the machine shell 1, the welding pins 41 are inserted into the welding point positions, and the mounting holes of the circuit board 3 are aligned with the screw holes in the machine shell 1. During practical application, a plurality of APM modules 5 can be welded on the same adapter plate 4 and then fixed on the runner body 2 by using fixing glue.

It should be understood that, can also carry out electric connection through the plug structure between keysets 4 and the circuit board 3, design the connector respectively on keysets 4 and circuit board 3 promptly, realize electric connection between keysets 4 and the circuit board 3 after the connector of two plates is pegged graft, can also adopt other modes to connect in the practical application, the utility model discloses do not do special restriction to this.

Casing 1 is equipped with the inlet and the liquid outlet of intercommunication cooling runner 21, and the coolant liquid circulation in the cooling runner 21 flows, and on the heat of APM module 5 transmitted the lateral wall of runner body 2 through the fixed glue, the coolant liquid took away the heat of runner body 2 fast when flowing in cooling runner 21. In a preferred embodiment, the flow channel body 2 encloses the casing 1 to form a cooling cavity, the circuit board 3 is located at the top of the cooling cavity, the adapter plate 4 and the APM module 5 are located in the cooling cavity, and both the heat dissipated by the devices on the circuit board 3 and the heat dissipated by the APM module 5 are dissipated through the flow channel body 2.

As shown in fig. 1 to 3, the installation process of the above-described APM module erection installation structure is as follows.

Step S1, welding an APM (advanced peripheral component Module) 5 on an adapter plate 4, and coating a fixing adhesive on a heat dissipation surface 512 of the APM 5, wherein the fixing adhesive is a heat-conducting adhesive with certain viscosity;

s2, vertically arranging the adapter plate 4, supporting the bottom of the adapter plate on the inner bottom surface of the machine shell 1, enabling a heat dissipation surface 512 of the APM module 5 to face the side wall of the flow channel body 2, and then bonding and fixing the APM module 5 on the side wall of the flow channel body 2;

s3, assembling the circuit board 3 on the shell 1, and inserting the welding pins 41 of the adapter plate 4 into welding points of the circuit board 3;

and S4, welding and fixing the adapter plate 4 and the circuit board 3.

The utility model discloses an adopt the APM module to effectively reduce power tube quantity, the structure is compacter and small, erect mounting structure can effectively utilize runner body 2's lateral wall on this basis design, rely on glue can reach fixed APM module 5's purpose, need not use the plastic support among the prior art, materials such as elastic pressing strip, and because APM module 5 erects to be installed under circuit board 3, the top installation of runner body 2 can be hugged closely to circuit board 3, reduce the thickness of products such as on-vehicle machine that charges, make the product with low costs, small, promote product competitiveness.

The above description is a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

APM module erects mounting structure, its characterized in that includes:

a housing;

the flow channel body is arranged in the shell, and a cooling flow channel is arranged inside the flow channel body;

the circuit board is horizontally arranged above the flow channel body;

the APM module is fixedly adhered to the side wall of the runner body;

the APM module is connected with the circuit board through a vertically arranged adapter plate.
2. The APM module vertical installation structure according to claim 1, wherein the APM module is provided with an installation surface facing the adapter plate and a heat dissipation surface facing the runner body, the installation surface is provided with pins bent towards the adapter plate, the pins are welded on the adapter plate, and the heat dissipation surface is adhered to the side wall of the runner body.
3. The APM module vertical installation structure according to claim 2, wherein the adapter plate is parallel to the side wall of the runner body, and the APM module and the runner body are bonded and fixed only by fixing glue.
4. The APM module upright mounting structure of claim 3, wherein the fixing glue is heat-conducting glue.
5. The APM module vertical installation structure according to claim 1, wherein the adapter plate is perpendicular to the circuit board, the top edge of the adapter plate is provided with welding pins extending upwards, the circuit board is provided with welding points allowing the welding pins to be inserted, and the welding pins are welded and fixed on the circuit board.
6. The APM module upright mounting structure of claim 1, wherein a bottom portion of the adapter plate is supported on an interior bottom surface of the chassis.
7. The APM module upright mounting structure of claim 1, wherein the APM module integrates at least two of a power conditioning circuit, a rectification circuit, and a DC-DC circuit.
8. The APM module vertical installation structure according to any one of claims 1 to 7, wherein the machine shell is provided with a liquid inlet and a liquid outlet which are communicated with the cooling flow channel, and cooling liquid in the cooling flow channel circularly flows.
9. A voltage converter having the APM module stand up mounting structure of any one of claims 1 to 8.
10. The vehicle-mounted charger is characterized by comprising an APM module vertical installation structure according to any one of claims 1 to 8.