CN209861436U - Electric vehicle controller with high heat dissipation efficiency - Google Patents

Abstract

The utility model provides an electric vehicle controller with high heat dissipation efficiency, which belongs to the technical field of electric vehicle accessories and includes a controller, an air supply structure and a heat dissipation structure. The air supply structure is installed inside the controller, and the heat dissipation structure is arranged on both sides of the controller. On the side, the air supply structure includes a cooling fan, an air outlet, a mounting base, an air guide bucket and a heat dissipation pipe. The mounting base is installed and fixed on one end of the side of the controller. Inside the seat, the heat dissipation pipe is welded and fixed at the air outlet of the air guide bucket, and the air outlet is opened on the surface of the heat dissipation pipe. In this device, the air guide bucket and the heat dissipation pipe are arranged. Since the air guide bucket is fixedly set on the inside of the cooling fan, the wind guide bucket gathers the wind and can cool down the internal circuit components at close range through the heat dissipation pipe, avoiding the need for a separate cooling fan. The problem of low heat dissipation efficiency is suitable for the production and use of electric vehicle controllers with high heat dissipation efficiency.

Description

An electric vehicle controller with high cooling efficiency

technical field

The utility model relates to the technical field of electric vehicle accessories, in particular to a controller.

Background technique

The wire port of the electric vehicle controller carries a large current flow, and all the heat generated by its work is transferred to the circuit board through the copper sheet welded on the circuit board. The structure is single, the heat dissipation efficiency is low, and when the temperature of the circuit board is too high, The solder at the joint between the copper sheet and the circuit board melts, and the copper sheet is separated from the circuit board, resulting in poor contact between the copper sheet and the circuit board, which reduces the service life of the components, and may cause the controller to malfunction or fail in serious cases. The electric vehicle controller is upgraded and transformed on the basis of the electric vehicle controller to overcome the existing problems and deficiencies, and provide an electric vehicle controller with high cooling efficiency.

Utility model content

The purpose of the utility model is to solve the technical problems that the existing electric vehicle controllers have low heat dissipation efficiency, reduce the service life of components, and may lead to controller failure in serious cases, and provide an electric vehicle controller with high heat dissipation efficiency. In the middle, the air guide bucket and the heat dissipation pipe are set. Since the air guide bucket is fixedly set on the inside of the cooling fan, the air guide bucket gathers the wind and can cool down the internal circuit components at close range through the heat dissipation pipe, avoiding the heat dissipation efficiency of a separate cooling fan. low problem.

In order to achieve the above purpose, the utility model provides the following technical solutions: an electric vehicle controller with high heat dissipation efficiency, including a controller, an air supply structure and a heat dissipation structure, the air supply structure is installed inside the controller, and the heat dissipation structure is arranged on the controller both sides;

The air supply structure includes a cooling fan, an air outlet, a mounting base, an air guide bucket and a heat dissipation pipe. The mounting base is installed and fixed on one side of the controller, the cooling fan is embedded and fixed inside the mounting base, and the air guide bucket is fixed and installed inside the mounting base. , the heat dissipation pipe is welded and fixed at the air outlet of the air guide bucket, and the air outlet is opened on the surface of the heat dissipation pipe;

The heat dissipation structure includes heat dissipation side grooves and heat sinks. The heat dissipation side grooves are opened and fixed on the surface of the front and rear shells of the controller, and the heat dissipation fins are built-in and installed inside the controller;

The controller includes a wire port and a circuit board. The wire port is opened at the other side of the controller, and the circuit board is installed and electrically connected to the controller.

As a further solution of the utility model: the heat dissipation fan is installed through the side of the controller at the end opposite to the wire port.

As a further solution of the present invention: the inside of the heat sink is provided with an insulating panel, and the heat sinks are vertically arranged and fixed on the surface of the insulating panel and fixedly abutted against the circuit board.

As a further solution of the present invention: the heat dissipation fins extend from the inside through the gap of the heat dissipation side groove body.

As a further solution of the utility model: the heat dissipation pipes are arranged in an S-shaped spiral arrangement, and the bottom surface of the heat dissipation pipes is arranged and connected with air outlet holes.

As a further solution of the present invention: the heat dissipation pipe is arranged at 2-3 cm from the upper end of the circuit board and the circuit structure.

As a further solution of the utility model: the wind guide bucket is tightly sleeved and connected to the inner and outer surfaces of the mounting seat.

The beneficial effects of the utility model are:

1. The utility model is equipped with a wind guide funnel. Since the inside of the wind guide funnel is tightly fitted and connected to the internal mounting seat of the cooling fan, the wind transported by the cooling fan can be collected in a unified way, avoiding the dispersion of the transported wind force and making the heat dissipation The cooling effect is greatly reduced;

2. The advantage of this kind of electric vehicle controller with high heat dissipation efficiency is that it is equipped with a heat sink. By extending the heat sink to the outside of the controller, the heat sink that contacts the circuit board can exchange the heat generated by the circuit board outward. Cooling to avoid danger caused by excessive heat generation of the circuit board;

3. This kind of electric vehicle controller with high heat dissipation efficiency is provided with heat dissipation pipes, and the heat dissipation pipes arranged in an S-shaped spiral arrangement are arranged at the upper end of the circuit structure, so that the heat dissipation pipes can pass the external cooling air through the air outlet holes on the bottom surface By dissipating, the air can be released to the circuit board and wire structure at a close distance, and the heat dissipation effect is better.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a side sectional structural schematic diagram of the utility model.

In Figure 1-2: 1-controller, 2-radiating fan, 3-radiating side slot, 4-air outlet, 5-radiating fin, 6-mounting seat, 7-air guide bucket, 8-radiating pipe, 9 - wire port, 10 - circuit board.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments.

The heat dissipation fan and heat dissipation fins used in the utility model can be purchased from the market or obtained by private order.

Example:

Please refer to Figures 1-2. In an embodiment of the present utility model, an electric vehicle controller with high heat dissipation efficiency includes a controller 1, an air supply structure and a heat dissipation structure. The air supply structure is installed inside the controller 1, and the heat dissipation structure is set On both sides of controller 1;

The air supply structure includes a cooling fan 2, an air outlet 4, a mounting base 6, an air guide bucket 7, and a heat dissipation pipe 8. The mounting base 6 is installed and fixed on one end of the side of the controller 1, and the cooling fan 2 is embedded and fixed inside the mounting base 6. The cooling fan 2 is installed through the side of the controller 1 at the end opposite to the wire port 9. The air guide bucket 7 is fixedly installed inside the mounting base 6. The internal tight fit is connected to the internal mounting seat of the cooling fan, so that the wind transported by the cooling fan 2 can be collected in a uniform path, avoiding the dispersion of the transported wind, which greatly reduces the cooling effect, and the cooling pipe 8 is welded and fixed on the air guide funnel At the 7 air outlets, the heat dissipation pipes 8 are arranged in an S-shaped spiral arrangement, and the bottom surface of the heat dissipation pipes 8 is arranged through the air outlet holes 4, and the heat dissipation pipes 8 are arranged at 2-3 cm from the upper end of the circuit board 10 and the circuit structure. The heat dissipation pipe 8 arranged in an S-shaped circle is arranged on the upper end of the circuit structure, so that the heat dissipation pipe 8 can dissipate the external heat dissipation air through the air outlet hole 4 on the bottom surface, and can discharge air to the circuit board 10 and the wire structure at a close distance , the heat dissipation effect is better, and the air outlet 4 is set on the surface of the heat dissipation pipe 8;

The heat dissipation structure includes a heat dissipation side groove 3 and a heat dissipation fin 5. The heat dissipation side groove 3 is opened and fixed on the surface of the front and rear end shell of the controller 1. The heat dissipation fin 5 is built-in and installed inside the controller 1. An insulating panel is installed inside the heat dissipation fin 5, and The cooling fins 5 are all vertically arranged and fixed on the surface of the insulating panel and fixedly abutted against the circuit board 10. The cooling fins 5 extend from the inside through the gap of the cooling side groove 3, and extend the cooling fins 5 to the outside of the controller, so that The heat sink 5 in contact with the circuit board 10 can exchange and cool the heat generated by the circuit board 10 outward, so as to avoid danger caused by the excessively long heating time of the circuit board 10;

The controller 1 includes a wire port 9 and a circuit board 10 , the wire port 9 is opened at the other side of the controller 1 , and the circuit board 10 is installed and electrically connected to the controller 1 .

working principle:

When using an electric vehicle controller with high heat dissipation efficiency of the present invention, first, connect the power supply and turn on the cooling fan 2 after the controller 1 is started, and the cooling fan 2 gathers the wind through the wind guide bucket 7 set inside the mounting base 6 and transported to the heat dissipation pipe 8 to radiate heat inside the controller 1. The air outlet 4 penetrated by the bottom surface of the heat dissipation pipe 8 dissipates the wind downward to cool the circuit board 10 and the internal circuit, and the cooling air The internal heat is discharged from the heat dissipation side groove 3 to complete the exchange of hot and cold air, and the internal temperature is lowered, and the heat dissipation fins 5 extending from both sides of the heat dissipation side groove 3 can also perform auxiliary heat dissipation. The heat dissipation fins 5 and the inner wall of the controller 1 The nailing enables the heat of the internal circuit board 10 to be transferred to the outside for cooling, lowering the temperature of the controller 1 during operation and reducing the possibility of failure thereof.

Claims (7)

1. An electric vehicle controller with high heat dissipation efficiency, comprising a controller (1), an air supply structure and a heat dissipation structure, the air supply structure is installed inside the controller (1), and the heat dissipation structure is arranged on both sides of the controller (1) ; It is characterized in that: the air supply structure includes a cooling fan (2), an air outlet (4), a mounting base (6), an air guide bucket (7) and a heat dissipation pipe (8), and the mounting base (6) is installed and fixed on the controller (1) At one end of the side, the heat dissipation fan (2) is embedded and fixed inside the mounting base (6), the air guide bucket (7) is fixedly installed inside the installation base (6), and the heat dissipation pipe (8) is welded and fixed to the air guide bucket ( 7) At the air outlet, the air outlet (4) is set on the surface of the heat dissipation pipe (8); The heat dissipation structure includes heat dissipation side grooves (3) and heat dissipation fins (5). The heat dissipation side grooves (3) are opened and fixed on the front and rear shell surfaces of the controller (1), and the heat dissipation fins (5) are built-in and installed inside the controller (1). ; The controller (1) includes a wire port (9) and a circuit board (10), the wire port (9) is opened at the other side of the controller (1), and the circuit board (10) is installed and electrically connected to the controller (1) . 2. The electric vehicle controller with high heat dissipation efficiency according to claim 1, characterized in that the heat dissipation fan (2) is installed through the side of the controller (1) at the end opposite to the wire port (9). 3. The electric vehicle controller with high heat dissipation efficiency according to claim 1, characterized in that: the inside of the heat sink (5) is provided with an insulating panel, and the heat sink (5) is arranged vertically and fixed on the insulating panel surface and fixed against the circuit board (10). 4. The electric vehicle controller with high heat dissipation efficiency according to claim 1 or 3, characterized in that the heat dissipation fins (5) extend from the inside of the heat dissipation side groove (3) through the gap of the groove body. 5. The electric vehicle controller with high heat dissipation efficiency according to claim 1, characterized in that: the heat dissipation pipes (8) are arranged in an S-shaped spiral arrangement, and the bottom surface of the heat dissipation pipes (8) is arranged and connected with an air outlet hole (4). 6. The electric vehicle controller with high heat dissipation efficiency according to claim 1, characterized in that: the heat dissipation pipe (8) is arranged at 2-3 cm from the upper end of the circuit board (10) and the circuit structure. 7. The electric vehicle controller with high heat dissipation efficiency according to claim 1, characterized in that: the air guide bucket (7) is tightly fitted and connected to the inner and outer surfaces of the mounting base (6).