CN220383446U - Heat abstractor and remote controller - Google Patents

Abstract

The utility model relates to a heat dissipation device and a remote controller, belongs to the technical field of unmanned aerial vehicle remote controllers, and solves the problem that the remote controller in the prior art cannot dissipate heat rapidly. The heat dissipating device of the present utility model includes: a heat sink, a heat sink cover plate, and a fan; the heat sink includes: the heat dissipation plate comprises a heat dissipation plate main body, a heat dissipation groove and heat dissipation teeth; one side of the radiating fin main body is in contact with the heating device and can exchange heat, and the other side of the radiating fin main body is provided with radiating grooves and radiating teeth; the heat dissipation teeth are arranged in the heat dissipation groove; the heat radiation cover plate is arranged parallel to the heat radiation fins, and the heat radiation cover plate is in sealing contact with the heat radiation grooves to form an air channel; the air inlet of the air duct is communicated with the air outlet of the fan; the air duct exhaust outlet of the air duct is used for exhausting hot air. The heat dissipation device is arranged in the remote controller, so that the rapid heat dissipation of the remote controller is realized.

Description

A cooling device and remote control

Technical field

The utility model relates to the technical field of drone remote controls, and in particular to a heat dissipation device and a remote control.

Background technique

With the continuous development of science and technology, UAV technology has been greatly improved in recent years, and many intelligent and multi-functional unmanned aerial vehicles have appeared. UAVs can be divided into military and civilian uses according to their application fields.

At present, most civilian drones are remotely controlled by remote controls, and remote control circuits are becoming more and more integrated, generating more and more heat, and the environmental requirements that remote controls need to adapt to are also getting higher and higher. This makes the heat dissipation of the remote control particularly important.

If the remote control does not dissipate heat or dissipates naturally, the components will generate a large amount of heat, which will affect the normal operation of the circuit board and easily cause damage to the components and affect the safety of the entire machine. Therefore, there is a need to provide a device for controllable heat dissipation of a remote control.

Utility model content

In view of the above analysis, the present utility model aims to provide a heat dissipation device and a remote control to solve the problem that the existing remote control cannot dissipate heat quickly.

The purpose of this utility model is mainly achieved through the following technical solutions:

A heat dissipation device, including: a heat sink, a heat dissipation cover and a fan;

One side of the heat sink main body of the heat sink is in contact with the heating device and can perform heat exchange, and the other side is provided with a heat dissipation groove; the heat dissipation cover is arranged parallel to the heat sink main body, and the heat dissipation cover is in contact with the heat sink. An air channel is formed between the heat dissipation slots;

The air inlet of the air duct is connected with the fan outlet of the fan; the air outlet of the air duct is used for exhausting air.

Further, two groups of the heat dissipation grooves are symmetrically arranged on the heat sink, and multiple heat dissipation grooves are arranged side by side in each group.

Further, the heat dissipation groove is a bent groove.

Further, the heat dissipation groove is a V-shaped groove with a bent portion.

Furthermore, the plurality of sets of heat dissipation grooves are formed by a plurality of mutually parallel ridges protruding from the main body of the heat sink.

Further, the heat sink is further provided with heat dissipation teeth; the heat dissipation teeth are arranged in the heat dissipation groove.

Further, the heat dissipation teeth are in the shape of elongated strips parallel to the heat dissipation groove.

Further, the heat dissipation teeth extend from the middle part of the heat dissipation groove to the air duct exhaust outlet.

Further, the fan further includes a fan air inlet for communicating with external air; the fan air inlet is provided on a side of the fan facing away from the heat dissipation slot.

A remote control, including: a lower shell assembly, an image transmission module, a circuit motherboard, an upper shell assembly and the heat dissipation device; the surface of the heat sink is provided with thermal conductive bumps; the thermal conductive bumps and the heating device direct contact.

Further, the lower shell assembly is provided with an air inlet and an air outlet; the fan air inlet of the fan is connected to the air inlet; and the air outlet is connected to or corresponds to the air duct exhaust outlet.

Further, the fan air inlet is sealedly connected to the air inlet.

The technical solution of this utility model can achieve at least one of the following effects:

The utility model can introduce external air into the air duct of the heat dissipation device through the fan in the remote control. When the external air circulates in the air duct, it can conduct heat exchange with the heat sink through the heat dissipation slot, thereby taking away the internal heat of the remote control and improving the efficiency of the remote control. Heat dissipation performance, thereby improving the stability of the internal circuit operation of the remote control.

In the present utility model, the above technical solutions can also be combined with each other to achieve more preferred combination solutions. Additional features and advantages of the invention will be set forth in the description which follows, and in part, some of the advantages will be apparent from the description, or may be learned by practice of the invention. The objects and other advantages of the present invention can be realized and obtained by what is particularly pointed out in the description and the accompanying drawings.

Description of the drawings

The drawings are only for the purpose of illustrating specific embodiments and are not considered to be limitations of the present invention. Throughout the drawings, the same reference symbols represent the same components.

Figure 1 is a remote control equipped with a heat dissipation device according to the present invention;

Figure 2 is a schematic diagram of the installation status of the heat dissipation device inside the remote control;

Figure 3 is an exploded view of the remote control of the present utility model;

Figure 4 is a top view of the heat sink of the heat dissipation device according to Embodiment 1 of the present invention;

Figure 5 is a fan of the heat dissipation device according to Embodiment 1 of the present invention.

Reference signs:

1-Lower shell assembly; 11-Air inlet; 12-Air outlet; 2-Image transmission module; 3-Heat sink; 31-Thermal conductive bump; 32-Heat sink main body; 33-Air duct air inlet; 34-Air 35-heat dissipation teeth; 36-heat dissipation slot; 4-heat dissipation cover; 5-circuit motherboard; 6-sealing ring; 7-fan; 71-fan air inlet; 72-fan air outlet; 73-signal and power lines; 8-built-in battery; 9-upper shell assembly.

Detailed ways

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. The accompanying drawings constitute a part of the present utility model and are used together with the embodiments of the present utility model to explain the principles of the present utility model and are not intended to limit the present utility model. range.

Example 1

A specific embodiment of the present invention discloses a heat dissipation device, as shown in Figures 2 and 3, including: a heat sink 3, a heat dissipation cover 4, and a fan 7.

The heat sink 3 includes: a heat sink main body 32, a heat dissipation groove 36 and a heat dissipation tooth 35; one side of the heat sink main body 32 is in contact with the heating device and can perform heat exchange, and the other side is provided with the heat dissipation groove 36; The heat dissipation cover 4 is arranged parallel to the heat dissipation fin 3 , and the heat dissipation cover 4 is in sealing contact with the heat dissipation groove 36 to form an air duct.

The air inlet 33 of the air duct is connected with the fan outlet 72 of the fan 7; the air outlet 34 of the air duct is used to discharge hot air.

As shown in FIG. 4 , two groups of heat dissipation slots 36 are symmetrically arranged on the heat dissipation fins 3 , and multiple strips are arranged side by side in each group. Furthermore, each group of the heat dissipation grooves 36 is in contact with and sealed with the heat dissipation cover 4 to form a plurality of side-by-side air ducts. Further, two fans 7 are provided corresponding to two groups of air ducts, and each group of air ducts communicates with one fan 7 .

Specifically, as shown in FIG. 2 , the heat dissipation groove 36 is a straight groove with bends; or, the heat dissipation groove 36 is a curved groove.

Specifically, as shown in FIG. 4 , the plurality of sets of heat dissipation grooves 36 are formed by a plurality of mutually parallel ridges protruding from the heat sink main body 32 .

Specifically, the heat dissipation groove 36 is a V-shaped groove with a bent portion. By setting the heat dissipation groove 36 as a V-shaped groove, the utility model changes the direction of the air flow in the air duct, thereby slowing down the gas flow rate, prolonging the flow time of the gas in the air duct, and enhancing the heat exchange effect.

As shown in FIG. 4 , the heat sink 3 is also provided with heat dissipation teeth 35 ; the heat dissipation teeth 35 are arranged in the heat dissipation groove 36 .

Specifically, the heat dissipation teeth 35 are in the shape of elongated strips parallel to the heat dissipation grooves 36 . The heat dissipation teeth 35 extend from the middle part of the heat dissipation slot 36 to the air duct exhaust port 34; the heat dissipation teeth 35 are used to increase the contact area with the air circulating in the air duct, thereby increasing the heat exchange efficiency. .

In a specific implementation of the present invention, as shown in Figure 5, the fan 7 includes: a fan air inlet 71 and a fan air outlet 72; the fan air inlet 71 is used to communicate with external air; the fan air outlet 72 is used to communicate with the air inlet 33 of the air duct.

Specifically, one fan air outlet 72 is connected to a plurality of air duct air inlets 33 of a group of air ducts and is used to blow air to multiple side-by-side air ducts at the same time.

Specifically, the fan air inlet 71 is provided on the side of the fan 7 facing away from the heat dissipation slot 36 . That is, the fan air inlet 71 and the fan air outlet 72 are symmetrically arranged on both sides of the fan 7, thereby forming convection, further promoting external air to flow into the air duct for heat dissipation, and improving heat dissipation efficiency.

In this embodiment, by arranging multiple rows of the air ducts and the heat dissipation teeth 35 , the contact area between the air in the air ducts and the heat sink 3 is increased, thereby improving the heat exchange efficiency of the heat dissipation device.

Example 2

A remote control, as shown in Figures 1 and 2, includes: a lower shell assembly 1, a video transmission module 2, a circuit mainboard 5, an upper shell assembly 9 and the heat dissipation device of Embodiment 1; the video transmission module 2 is a remote control The heat-conducting bumps 31 are provided on the surface of the heat sink 3; the heat-conducting bumps 31 are in direct contact with the image transmission module 2.

Specifically, as shown in Figure 3, the remote control is provided with the following in order from bottom to top: the lower shell assembly 1, the image transmission module 2, the heat sink 3, the heat dissipation cover 4, and the circuit main board. 5. The fan 7 and the upper housing assembly 9 .

Specifically, as shown in FIG. 3 , the image transmission module 2 is installed on the thermal conductive bump 31 of the heat sink 3 . The image transmission heating element of the image transmission module 2 transfers heat to the heat sink 3 by being in contact with the heat conduction bumps 31 .

Specifically, the heat dissipation cover 4 is attached to the upper end surfaces of the heat dissipation slots 36 and the heat dissipation teeth 35 to form the air duct to limit the flow direction of the wind.

Specifically, the circuit mainboard 5 is attached to the heat dissipation cover 4 , and the heat is transferred to the heat sink 3 through the heat dissipation cover 4 , and the heat is dissipated through the air duct.

Further, the lower shell assembly 1 is provided with an air inlet 11 and an air outlet 12; the fan air inlet 71 is connected to the air inlet 11; the air outlet 12 is connected to the air duct exhaust outlet 34.

Further, the fan 7 further includes a signal and power line 73 , and the signal and power line 73 is connected to the circuit mainboard 5 .

Further, the fan air inlet 71 and the air inlet 11 are sealedly connected.

Specifically, the fan air inlet 71 and the air inlet 11 have the same shape and butt with each other, and a rubber sealing ring 6 is provided between them as a sealing member. The sealing ring 6 is used to achieve sealing between the fan air inlet 71 and the air inlet 11 on the lower housing assembly 1 . As shown in FIG. 3 , the two sealing rings 6 are installed on the fan air inlets 71 of the two fans 7 respectively, and the sealing rings 6 prevent air leakage from the surroundings.

As shown in FIG. 3 , two sets of heat dissipation slots 36 and two fans 7 are symmetrically arranged on the heat sink 3 . Specifically, the two fans 7 and the built-in battery 8 are fixed on the upper shell assembly 9 respectively, and the built-in battery 8 is used to power the entire remote control. A plurality of parallel heat dissipation slots 36 combined with the heat dissipation cover 4 can form multiple rows of air ducts. The two sets of heat dissipation grooves 36 can form two sets of air ducts with the heat dissipation cover 4, and then the two fans 7 can blow air to achieve rapid heat dissipation of the remote control.

Specifically, the fan outlet 72 of the fan 7 is docked with the air duct air inlet 33 of the heat sink 3 .

Further, the lower shell component 1 and the upper shell component 9 are integrally assembled and engaged to form an integral shell of the remote control. After assembly is completed, the fan air inlet 71 of the fan 7 is connected to the air inlet 11 of the lower housing assembly 1 , the fan air outlet 72 is connected to the air duct air inlet 33 , and the heat sink 3 The air duct exhaust port 34 is connected to the air outlet 12 of the lower shell assembly 1 to form an integral air circulation path.

When implemented:

When using the remote control, the internal circuit mainboard 5 and the image transmission module 2 work. When the temperature rises to the set temperature, the circuit mainboard 5 sends a signal to control the fan through the signal and power line 73 7 rotates; at this time, the external wind enters the fan air inlet 71 through the air inlet 11 of the lower shell assembly 1, and then enters the heat sink 3 and the heat dissipation cover through the fan air outlet 72 The air duct composed of 4, air circulates in the air duct, and exchanges heat through the heat dissipation teeth 35 of the heat sink 3; the hot air after heat exchange passes through the air duct exhaust port 34 and the The air outlet 12 of the lower shell assembly 1 discharges heat to the outside of the remote control, thereby achieving overall heat dissipation. When the temperature drops to the set low temperature, the circuit board 5 sends a signal to control the fan 7 to stop working, thereby achieving controllable heat dissipation of the remote controller.

Compared with the existing technology, the technical solution provided by this embodiment has at least one of the following beneficial effects:

1. The remote control of the present utility model blows air through the fan 7 to the air duct formed between the heat sink 3 and the heat dissipation cover 4, conducts heat exchange with the heat sink 3, and then takes away the air. The heat generated by the internal heating device of the remote control realizes rapid heat dissipation of the remote control and improves the safety and reliability of the remote control.

2. The remote control of the present utility model controls the start and stop of the fan 7 through the circuit mainboard 5, thereby dissipating heat when the temperature is high, and stopping the fan 7 when the temperature is low, achieving controllable heat dissipation and effectively reducing power consumption. loss.

3. The remote control of the present utility model adopts two sets of symmetrically arranged air ducts and two fans 7 to improve heat dissipation efficiency.

4. In the remote control of the present invention, the image transmission module 2 and the circuit mainboard 5 are respectively installed on the front and back sides of the heat sink 3, and the two heating devices of the remote control are connected through the front and back sides of the heat sink 3. Heat exchange is performed at the same time, so that the heat sink 3 has high heat conduction efficiency on both front and back sides.

The above are only preferred specific implementations of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can easily imagine that within the technical scope disclosed by the present utility model, Any changes or replacements shall be covered by the protection scope of the present utility model.

Claims (12)

1. A heat dissipation device, characterized by comprising: a heat sink (3), a heat dissipation cover (4) and a fan (7); One side of the heat sink main body (32) of the heat sink (3) is in contact with the heating device and can perform heat exchange, and the other side is provided with a heat dissipation groove (36); the heat dissipation cover (4) is parallel to the A heat sink main body (32) is provided, and an air channel is formed between the heat dissipation cover (4) and the heat dissipation groove (36); The air inlet (33) of the air duct is connected with the fan outlet (72) of the fan (7); the air outlet (34) of the air duct is used for exhausting air. 2. The heat dissipation device according to claim 1, characterized in that two groups of the heat dissipation grooves (36) are symmetrically arranged on the heat sink (3), and a plurality of the heat dissipation grooves (36) are arranged side by side in each group. . 3. The heat dissipation device according to claim 1, characterized in that the heat dissipation groove (36) is a bent groove. 4. The heat dissipation device according to claim 3, characterized in that the heat dissipation groove (36) is a V-shaped groove with a bent portion. 5. The heat dissipation device according to any one of claims 1 to 4, characterized in that the plurality of sets of heat dissipation grooves (36) are composed of a plurality of mutually parallel ridges protruding from the heat sink main body (32). form. 6. The heat dissipation device according to claim 5, characterized in that the heat dissipation fins (3) are also provided with heat dissipation teeth (35); the heat dissipation teeth (35) are arranged in the heat dissipation groove (36). . 7. The heat dissipation device according to claim 6, characterized in that the heat dissipation teeth (35) are in the shape of elongated strips parallel to the heat dissipation grooves (36). 8. The heat dissipation device according to claim 7, characterized in that the heat dissipation teeth (35) extend from the middle of the heat dissipation groove (36) to the air duct exhaust outlet (34). 9. The heat dissipation device according to claim 1, characterized in that the fan (7) further includes a fan air inlet (71) for communicating with external air; the fan air inlet (71) is provided on the fan (7) The side facing away from the heat dissipation groove (36). 10. A remote control, characterized in that it includes: a lower shell assembly (1), a video transmission module (2), a circuit mainboard (5), an upper shell assembly (9) and any one of claims 1-9 The heat dissipation device; the surface of the heat sink (3) is provided with thermal conductive bumps (31); the thermal conductive bumps (31) are in direct contact with the heating device. 11. The remote control according to claim 10, characterized in that the lower shell assembly (1) is provided with an air inlet (11) and an air outlet (12); the fan air inlet (7) of the fan (7) 71) is connected with the air inlet (11); the air outlet (12) is connected with or corresponds to the air duct exhaust port (34). 12. The remote control according to claim 11, characterized in that the fan air inlet (71) and the air inlet (11) are sealedly connected.