CN218218091U

CN218218091U - Electric outboard engine PCB (printed circuit board) arranged underwater cooling structure and electric outboard engine

Info

Publication number: CN218218091U
Application number: CN202222013223.4U
Authority: CN
Inventors: 高洋; 李浩荡
Original assignee: Suzhou Parsun Power Machine Co Ltd
Current assignee: Suzhou Parsun Power Machine Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-03
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses an electric outboard engine PCB board is arranged in an underwater cooling structure and the electric outboard engine, the electric outboard engine comprises an underwater shell and a PCB board arranged in the underwater shell, and the PCB board is attached on the inner wall of the underwater shell; or the PCB cooling structure also comprises a heat-conducting medium, and the heat-conducting medium is filled in the inner cavity of the underwater shell and is in contact with both the PCB and the inner wall of the underwater shell. The heating components are centralized on one PCB and are arranged under water, the volume of a control assembly on the water machine body is greatly reduced, a water circulation pipeline or a fan does not need to be additionally arranged, the structure is more compact, and more play spaces can be generated in the modeling design of the water machine body. The structural design is simpler, and the practicality is strong.

Description

Electric outboard engine PCB (printed circuit board) arranged underwater cooling structure and electric outboard engine

Technical Field

The utility model relates to a boats and ships power technical field, concretely relates to cooling structure and electronic outboard engine under water are arranged in to electronic outboard engine PCB board.

Background

The electric outboard engine generally comprises a body and a bracket which can rotate relatively, the bracket is used for being fixed with a ship body, a control assembly of an electric motor and a control handle is arranged at the upper part of the body, and the electric motor drives an underwater power output mechanism through a driving shaft.

Be equipped with the MOS pipe on the PCB board in the electronic outboard engine, MOIS pipe during operation can produce a large amount of heats, need cool off it often to guarantee its normal use, otherwise can damage the PCB board. Thus, the conventional electric outboard engines are provided with a PCB board cooling device or structure.

At present, two cooling modes are mainly available on the market, one is air cooling, and the other is water cooling. The air cooling method is generally to install a fan and cool the air by the fan. The water cooling method is generally to arrange a water circulation pipeline on the outer wall of the water turbine body to cool the water circulation pipeline. However, both air cooling and water cooling require space occupied by the water turbine, and thus the overall outboard engine is oversized.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model aims at providing an underwater cooling structure and electronic outboard engine are arranged in to electronic outboard engine PCB board.

The technical scheme of the utility model is that:

one of the purposes of the utility model is to provide an electric outboard engine PCB board is arranged in underwater cooling structure, the electric outboard engine comprises an underwater shell and a PCB board arranged in the underwater shell, and the PCB board is attached to the inner wall of the underwater shell; or

The PCB cooling structure further comprises a heat-conducting medium, and the heat-conducting medium is filled in the inner cavity of the underwater shell and is in contact with the PCB and the inner wall of the underwater shell.

Preferably, the heat-conducting medium is heat-conducting glue filled in the inner cavity of the underwater shell.

Preferably, one end of the PCB, which is close to the water shell of the electric outboard engine, is provided with two binding posts which are respectively connected with positive and negative pole wiring of a battery;

the underwater shell is characterized in that a motor is arranged in the bottom end of the underwater shell, and three wiring terminals or wiring ports which are respectively connected with the positive pole and the negative pole of the motor and a zero line are arranged at one end, close to the motor, of the PCB.

Preferably, the posts on either end of the PCB are laterally spaced along the respective end.

Preferably, the cavity where the PCB is located and the cavity where the motor is located are two independent cavities that are communicated.

Another object of the present invention is to provide an electric outboard engine, including the PCB board of any one of the above-mentioned arranged in the underwater cooling structure.

Compared with the prior art, the utility model has the advantages that:

the utility model discloses an electronic outboard engine PCB board is arranged in and is cooled off structure under water, through the PCB board that will concentrate the components and parts that generate heat, motor control assembly direct with the inner wall laminating setting of casing under water, the heat passes to the outer rivers of casing under water through the inner wall of casing under water, and the heat is taken away to the outer rivers of casing under water promptly, need not add the hydrologic cycle pipeline on the outer wall of the organism on water, and the structure is compacter. Through filling heat-conducting medium, utilize heat-conducting medium with heat conduction to casing under water, the flow is taken away to the outer rivers of water lower casing to the rethread, and the organism on water need not to add the hydrologic cycle pipeline or install the fan like this, and is structural compacter, and the casing on water also has more spaces. The structure design is simpler, and the practicality is strong.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic structural view of an electric outboard engine of one of the configurations according to the embodiment of the present invention;

fig. 2 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A PCB board cooling structure of the electric outboard engine of fig. 1;

fig. 3 is a schematic structural view of an electric outboard engine of another structure according to an embodiment of the present invention;

fig. 4 is a vertical sectional view of a PCB board cooling structure of the electric outboard engine of fig. 3.

Wherein: 1. an underwater housing; 11. a first underwater housing; 110. an inner wall; 12. a second underwater housing; 121. a motor; 2. a PCB board; 21. an upper binding post; 22. and connecting the wiring columns downwards.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The embodiment is as follows:

referring to fig. 1 to 4, the utility model discloses cooling structure under water is arranged in to electronic outboard engine PCB board of embodiment, wherein electronic outboard engine includes casing 1 under water and locates the PCB board 2 in casing 1 under water promptly circuit board, and integrated on the PCB board 2 has heating elements such as MOS pipe (not shown), motor control assembly (not shown). As shown in fig. 1 to 2, the PCB is cooled in such a manner that the PCB 2 is directly attached to an inner wall 110 of an inner cavity (not shown) of the underwater housing 1, specifically, the first underwater housing 11, that is, the back of the PCB provided with the MOS transistor directly contacts and clings to the inner wall of the underwater housing 1. Alternatively, as shown in fig. 3 to 4, the PCB cooling structure further includes a heat conducting medium (not shown), and the heat conducting medium is filled in the inner cavity of the underwater housing 1, specifically the inner cavity of the first underwater housing 11, and contacts both the PCB 2 and the inner wall 110 of the underwater housing 1, specifically the first underwater housing 11. The utility model discloses PCB board cooling structure through with PCB board 2 direct with the inner wall 110 laminating setting of casing 1 under water, the heat passes to the outer rivers of casing 1 under water through the inner wall 110 of casing 1 under water in, the heat is taken away to the outer rivers of casing 1 under water promptly, need not add the hydrologic cycle pipeline on the outer wall of organism on water, the structure is compacter. Through filling heat-conducting medium, utilize heat-conducting medium to conduct heat to casing 1 under water, take away the flow through the rivers outside casing 1 under water again, need not to add the hydrologic cycle pipeline or install the fan equally, structural compacter, the organism on water also has more spaces. The structural design is more provided with a performance space, and the practicability is strong.

According to some embodiments of the present invention, the heat conducting medium is a heat conducting glue (not shown) filled in the inner cavity of the underwater housing 1. The specific components of the heat-conducting glue are not described and limited herein, and are conventional in the art. It should be noted that, in the PCB cooling structure of this structure, the PCB 2 is located in the middle of the inner cavity of the underwater housing 1, and the area defined by the PCB 2 and the inner wall of the inner cavity of the underwater housing 1 is filled with the heat-conducting glue.

According to some embodiments of the present invention, as shown in fig. 3 to 4, one end of the PCB board 2 close to the water casing 1 of the electric outboard engine, that is, the upper end of the PCB board 2 shown in fig. 4, is provided with two terminals (for convenience of distinguishing and describing, the terminal is described herein as an upper terminal 21) respectively connected to positive and negative terminals of a battery (not shown). The bottom end of the underwater housing 1 is provided with a motor 121, and one end of the PCB board 2 close to the motor 121, that is, the lower end of the PCB board 2 shown in fig. 4, is provided with three terminals (for convenience of distinguishing and describing, the terminals are described as lower connection posts 22) respectively connected with the positive pole, the negative pole and a neutral wire (not shown) of the motor. Preferably, the posts on either end of the PCB 2 are spaced laterally along the respective end. That is, two upper binding posts 21 at the upper end of the PCB 2 are transversely spaced along one edge of the upper end of the PCB 2, and three lower binding posts 22 at the lower end of the PCB 2 are transversely and uniformly spaced along one edge of the lower end of the PCB 2. Alternatively, the terminal post may be a wiring port.

According to some preferred embodiments of the present invention, as shown in fig. 4, the cavity where the PCB board 2 is located and the cavity where the motor 121 is located are two independent cavities that are connected to each other. As shown in fig. 1 and 4, the underwater case 1 is composed of two parts, a first underwater case 11 at an upper end and a second underwater case 12 at a lower end, wherein the PCB board 2 is disposed in the first underwater case 11, and the second underwater case 12 is a motor case. Correspondingly, the cavity where the PCB 2 is located is an upper cavity, the cavity where the motor 121 is located is a lower cavity, and the rotating shaft of the motor 121 is transversely arranged in the lower cavity. The underwater shell is not limited in shape.

The embodiment of the utility model provides an electronic outboard engine is still provided, the cooling structure under water is arranged in to electronic outboard engine PCB board including casing (not shown) on water, casing 1 and above-mentioned embodiment under water. Other configurations of outboard engines are not described or limited and are known to those skilled in the art. Due to the adoption of the PCB cooling structure, the PCB cooling structure at least has the beneficial effects of the PCB cooling structure, and details are not repeated.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An electric outboard engine PCB is arranged in an underwater cooling structure, and comprises an underwater shell and a PCB arranged in the underwater shell, and is characterized in that the PCB is attached to the inner wall of the underwater shell; or

2. The PCB underwater cooling structure of the electric outboard engine of claim 1, wherein the heat conducting medium is heat conducting glue filled in the inner cavity of the underwater housing.

3. The underwater cooling structure for the PCB of the electric outboard engine according to claim 1 or 2, wherein one end of the PCB close to the water shell of the electric outboard engine is provided with two binding posts respectively connected with positive and negative pole wiring of a battery;

the underwater shell is characterized in that a motor is arranged in the bottom end of the underwater shell, and three binding posts or wiring ports which are respectively connected with the positive pole and the negative pole of the motor and a zero line are arranged at one end, close to the motor, of the PCB.

4. The electric outboard engine PCB of claim 3, wherein the terminals on either end of the PCB are laterally spaced along the respective end.

5. The underwater cooling structure for the PCB of the electric outboard engine according to claim 3, wherein the cavity in which the PCB is located and the cavity in which the motor is located are two independent cavities communicated with each other.

6. An electric outboard engine, characterized in that it comprises the PCB board of any one of claims 1 to 5 placed in an underwater cooling structure.