CN117979606A - Ship motor controller and power system - Google Patents

Abstract

The invention discloses a ship motor controller and a power system; the ship motor controller comprises a shell, a capacitor module, a circuit board module, a soaking plate and a plurality of power modules; a containing groove is formed in the shell, a plurality of power modules are arranged on the inner side wall of the containing groove, and the capacitor module, the vapor chamber and the circuit board module are sequentially arranged in the containing groove from bottom to top; the soaking plate comprises a body, wherein the lower end face of the body is connected with the upper end face of the capacitor module, the upper end face of the body is connected with the lower end face of the circuit board module, the body is provided with a heat conducting part in an extending mode towards the inner side wall of the accommodating groove, one end, close to the inner side wall of the accommodating groove, of the heat conducting part is provided with a connecting part, and the connecting part is connected with the inner side wall of the accommodating groove. The ship motor controller has the advantages of simple structure, high heat dissipation efficiency, small volume, low energy consumption, low manufacturing cost and the like.

Description

Ship motor controller and power system

Technical Field

The invention belongs to the technical field of controller cooling, and particularly relates to a ship motor controller and a power system.

Background

The traditional electric ship controller usually adopts an air passive heat dissipation or fan active heat dissipation mode, so that the heat dissipation efficiency is low, the internal heat accumulation is easy to be serious, the energy consumption is high, and the expansibility is poor; when the controller is cooled by adopting the water channel direct-contact cooling mode, the module to be cooled in the controller needs to be tiled on the water cooling plate, so that the controller is huge in size, and the problems of complex water channel structure and processing mode and low utilization rate of the internal space of the controller exist.

Disclosure of Invention

In view of the above, the present invention discloses a marine vessel motor controller and power system to overcome or at least partially solve the above problems.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The invention discloses a ship motor controller, which comprises a shell, a capacitor module, a circuit board module, a soaking plate and a plurality of power modules, wherein the capacitor module is arranged on the shell;

A containing groove is formed in the shell, a plurality of power modules are arranged on the inner side wall of the containing groove, and the capacitor module, the vapor chamber and the circuit board module are sequentially arranged in the containing groove from bottom to top;

The soaking plate comprises a body, the lower end face of the body is connected with the upper end face of the capacitor module, the upper end face of the body is connected with the lower end face of the circuit board module, the body is provided with a heat conducting part in an extending mode, the heat conducting part is close to one end of the inner side wall of the accommodating groove, and the connecting part is connected with the inner side wall of the accommodating groove.

Further, a plurality of power modules are arranged at intervals; the heat conduction parts and the connecting parts are multiple in number, and each connecting part is connected with the inner side wall of the accommodating groove between each power module.

Further, the connecting portion is perpendicular to the heat conducting portion and extends to the lower portion of the soaking plate.

Further, heat conduction silicone grease is arranged between the soaking plate and the capacitor module.

Further, the circuit board module is connected with the soaking plate through heat-conducting glue.

Further, the axial section of the shell is circular, the axial section of the accommodating groove along the shell is regular polygon, and a plurality of power modules are respectively arranged on each side of the regular polygon.

Further, the power module is arranged on an aluminum substrate, and the aluminum substrate is fixed on the inner side wall of the accommodating groove.

Further, a clamping groove is formed in the inner wall of the accommodating groove, and the aluminum substrate is clamped and fixed on the inner side wall of the accommodating groove through the clamping groove.

Further, the device also comprises a cover body;

the cover body covers the accommodating groove, the cover body is fixedly connected with the shell through a screw or a bolt, and a sealing piece is arranged between the cover body and the shell.

The invention further discloses a power system which comprises a motor and the ship motor controller.

The invention has the advantages and beneficial effects that:

according to the ship motor controller, the vapor chamber is arranged between the capacitor module and the circuit board module, and the vapor chamber is connected with the shell, so that heat generated on the capacitor module and the circuit board module can be quickly conducted to the shell through the vapor chamber, the heat dissipation efficiency of the controller is improved, and heat accumulation in the controller can be effectively reduced; in addition, the power modules are arranged on the inner groove wall of the shell, so that the power modules can be effectively and rapidly cooled, and the size of the controller is smaller; the ship motor controller has the advantages of simple structure, high heat dissipation efficiency, small volume, low energy consumption, low manufacturing cost and the like.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a perspective view of a marine motor controller with a circuit board module removed in accordance with one embodiment of the present invention;

Fig. 2 is a perspective view of a ship motor controller with a circuit board module and a soaking plate removed in accordance with an embodiment of the present invention.

In the figure: 1. a housing; 2. a capacitance module; 3. a soaking plate; 3-1, a body; 3-2, a heat conduction part; 4. a power module; 5. an aluminum substrate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to the accompanying drawings.

In one embodiment of the present invention, there is provided a ship motor controller, as shown in fig. 1 and 2, which includes a housing 1, a capacitor module 2, a circuit board module, a soaking plate 3, and a plurality of power modules 4.

Wherein, the housing 1 is internally provided with a containing groove, a plurality of power modules 4 are arranged on the inner side wall of the containing groove to form a ring shape, thus not only saving the occupied space of the power modules 4 and enabling the volume of the ship motor controller to be smaller, but also conducting the heat generated by the power modules 4 to the housing 1 and realizing the cooling of the power modules 4 through the housing 1; the capacitor module 2, the soaking plate 3 and the circuit board module are sequentially arranged in the accommodating groove from bottom to top, namely, the capacitor module 2 is arranged at the bottom of the accommodating groove, the soaking plate 3 is arranged above the capacitor module 2, and the circuit board module is arranged above the soaking plate 3.

It should be noted that, the vapor chamber is a vacuum chamber with a fine structure on its inner wall, and is usually made of copper, when heat is conducted from a heat source to an evaporation region for vapor soaking, the cooling liquid in the chamber starts to generate a vaporization phenomenon of the cooling liquid after being heated in an environment with low vacuum, at this time, the heat energy is absorbed and the volume is rapidly expanded, the whole chamber is rapidly filled with a gaseous cooling medium, a condensation phenomenon is generated when the gaseous cooling medium contacts a relatively cold region, heat accumulated during the evaporation is released by the condensation phenomenon, the condensed cooling liquid returns to the evaporation heat source through a capillary tube of the microstructure, and the operation is repeatedly performed in the chamber.

Specifically, the soaking plate 3 comprises a body 3-1, wherein the lower end face of the body 3-1 is connected with the upper end face of the capacitor module 2, so that heat at the upper end of the capacitor module 2 can be conducted to the lower end face of the body 3-1, and the upper end face of the body 3-1 is connected with the lower end face of the circuit board module, so that heat at the lower end of the circuit board module can be conducted to the upper end face of the body 3-1; preferably, the area of the body 3-1 is larger than the area of the upper end surface of the capacitor module 2 and the area of the lower end surface of the circuit board module, so that the capacitor module 2 and the circuit board module can be uniformly cooled down. The heat conduction part 3-2 extends to the inner side wall of the accommodating groove on the body 3-1, one end, close to the inner side wall of the accommodating groove, of the heat conduction part 3-2 is provided with the connecting part, the connecting part is connected with the inner side wall of the accommodating groove, so that heat on the body 3-1 sequentially passes through the heat conduction part 3-2 and the connecting part and is conducted to the shell 1, heat inside the controller is transferred to the shell 1, and heat accumulation inside the controller is reduced. Wherein, because the shell can be in direct contact with the cold source, heat on the shell is further transferred to the cold source, for example, the shell is in contact with a water cooling plate or cooling liquid.

In this way, the heat generated by the capacitor module 2 and the circuit board module is conducted to the body 3-1 of the soaking plate 3, so that the liquid-phase cooling medium in the soaking plate 3 is heated and evaporated to form a gas-phase cooling medium, a large amount of heat can be absorbed in the process, the capacitor module 2 and the circuit board module can be cooled, the gas-phase cooling medium diffuses in the soaking plate 3 and reaches the connecting part through the heat conducting part 3-2 of the soaking plate 3, the gas-phase cooling medium condenses into the liquid-phase cooling medium at the connecting part of the soaking plate 3 due to the lower temperature of the shell 1, and releases a large amount of heat, the released heat is conducted to the shell 1, and is released to the outside of the controller through the shell 1, and the condensed liquid-phase cooling medium returns to the body 3-1 of the soaking plate 3, and then the evaporation circulation is performed; in the whole heat dissipation process, no energy loss is needed, and the use cost of the ship motor controller is reduced.

In summary, in the ship motor controller of the embodiment, the soaking plate is arranged between the capacitor module and the circuit board module, and the soaking plate is connected with the shell, so that heat generated on the capacitor module and the circuit board module can be quickly conducted to the shell through the soaking plate, further, the heat dissipation efficiency of the controller is improved, and heat accumulation inside the controller can be effectively reduced; in addition, the power modules are arranged on the inner groove wall of the shell, so that the power modules can be effectively and rapidly cooled, and the size of the controller is smaller; the ship motor controller has the advantages of simple structure, high heat dissipation efficiency, small volume, low energy consumption, low manufacturing cost and the like.

In this embodiment, as shown in fig. 1, a plurality of power modules 4 are disposed at intervals, so that the power modules 4 can be prevented from interfering with each other; the number of the heat conducting parts 3-2 and the number of the connecting parts are multiple, each connecting part is respectively connected with the inner side wall of the accommodating groove between the power modules 4, namely, the plurality of the heat conducting parts 3-2 extend on the body 3-1, the connecting parts are connected on the heat conducting parts 3-2, and pass through the power modules 4 to be connected with the shell 1, so that heat on the soaking plate 3 can be uniformly conducted to the shell 1.

Moreover, the connecting part is perpendicular to the heat conducting part 3-2 and extends to the lower part of the soaking plate 3 and is just positioned at the gap between the capacitor module 2 and the shell 1, so that the contact area between the connecting part and the shell 1 can be increased, the heat on the soaking plate 3 is conveniently conducted to the shell 1, the soaking plate 3 can not occupy the space of the controller additionally, and the structure of the controller is more compact.

In addition, heat conduction silicone grease is arranged between the vapor chamber and the capacitor module, so that heat on the capacitor module is conveniently conducted to the vapor chamber.

In addition, the circuit board module is connected with the soaking plate through heat-conducting glue; therefore, the circuit board can be firmly fixed on the vapor chamber, and heat generated on the circuit module can be quickly conducted to the vapor chamber. Of course, the connecting part can also be fixedly connected with the shell through heat-conducting glue.

In this embodiment, as shown in fig. 1 and 2, the axial section of the housing 1 is circular, the axial section of the housing 1 is regular polygon, and the plurality of power modules 4 are respectively disposed on each side of the regular polygon, so that the structure of the controller is more compact and the volume is smaller. For example, the receiving groove has a regular hexagonal shape in an axial section of the housing.

As shown in fig. 2, the power module 4 is provided on the aluminum substrate 5, the power module 4 is fixed to the aluminum substrate 5 by welding, the aluminum substrate 5 is fixed to the inner wall of the housing groove, and the power module 4 can be energized through the aluminum substrate 5 and can transfer heat to the housing 1 through the aluminum substrate 5.

Further, be equipped with the draw-in groove on the inner wall of holding tank, aluminium base board passes through the draw-in groove joint to be fixed on the inside wall of holding tank, promptly through inserting corresponding draw-in groove respectively with the both sides limit of aluminium base board in, realizes the fixed connection of aluminium base board and casing, also is convenient for dismantle the separation from the casing simultaneously.

In this embodiment, the ship motor controller further includes a cover (not shown).

Specifically, the cover body covers the accommodating groove, the cover body is fixedly connected with the shell through a screw or a bolt, and a sealing element is arranged between the cover body and the shell. Wherein the sealing member may be a sealing ring.

Therefore, after the containing groove is sealed through the cover body, the whole ship motor controller can be placed in water for cooling, and the cooling cost of the ship motor controller can be reduced.

In another embodiment of the invention, a power system is provided, which comprises a motor and the ship motor controller in the above embodiment, and has the advantages of high heat dissipation efficiency, compact structure, small volume, low manufacturing cost and the like.

The foregoing is merely a specific embodiment of the invention and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the invention more fully, and that the scope of the invention is defined by the appended claims.

Claims (10)

1. The ship motor controller is characterized by comprising a shell, a capacitor module, a circuit board module, a soaking plate and a plurality of power modules;

A containing groove is formed in the shell, a plurality of power modules are arranged on the inner side wall of the containing groove, and the capacitor module, the vapor chamber and the circuit board module are sequentially arranged in the containing groove from bottom to top;

The soaking plate comprises a body, the lower end face of the body is connected with the upper end face of the capacitor module, the upper end face of the body is connected with the lower end face of the circuit board module, the body is provided with a heat conducting part in an extending mode, the heat conducting part is close to one end of the inner side wall of the accommodating groove, and the connecting part is connected with the inner side wall of the accommodating groove.

2. The marine vessel motor controller of claim 1, wherein a plurality of said power modules are disposed in spaced relation; the heat conduction parts and the connecting parts are multiple in number, and each connecting part is connected with the inner side wall of the accommodating groove between each power module.

3. The marine vessel motor controller according to claim 2, wherein the connection portion is perpendicular to the heat conduction portion and extends downward of the soaking plate.

4. The marine vessel motor controller of claim 1, wherein a thermally conductive silicone is disposed between the soaking plate and the capacitive module.

5. The marine vessel motor controller of claim 1, wherein the circuit board module is connected to the soaking plate by a heat conductive glue.

6. The marine vessel motor controller according to claim 1, wherein the axial cross section of the housing is circular, the receiving groove is regular polygon along the axial cross section of the housing, and a plurality of the power modules are provided on each side of the regular polygon, respectively.

7. The marine vessel motor controller of claim 1, wherein the power module is disposed on an aluminum substrate that is secured to an inner sidewall of the receiving tank.

8. The ship motor controller according to claim 7, wherein a clamping groove is formed in the inner wall of the accommodating groove, and the aluminum substrate is clamped and fixed on the inner wall of the accommodating groove through the clamping groove.

9. The marine vessel motor controller according to any one of claims 1 to 8, further comprising a cover;

the cover body covers the accommodating groove, the cover body is fixedly connected with the shell through a screw or a bolt, and a sealing piece is arranged between the cover body and the shell.

10. A power system comprising an electric motor and a marine vessel motor controller as claimed in any one of claims 1 to 9.