Cooling fan and notebook computer equipment

Abstract

The utility model provides a cooling fan and a notebook computer device. The cooling fan comprises a fan body and an outer shell. The interior of the outer shell is correspondingly hollowed out to form a containing cavity used for containing the fan body, an air outlet communicated with the containing cavity and the outside is formed in one side face of the outer shell, and the air outlet is used for directly guiding air output by the fan body out to an external component to be cooled. A shrinkage limiting structure is arranged between the containing cavity and the air outlet so that air output by the fan body can be in an external expansion state from inside to outside. By means of the shrinkage limiting structure, air generated by the fan body flows in an accelerated mode when passing through the shrinkage limiting structure, the air is in an external expansion state at the air outlet, components to be cooled can be covered and cooled more effectively, and therefore the heat dissipation efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, and particularly relates to a heat dissipation fan and a notebook device. Background Art

[0002] At present, most notebooks use built-in radiators for heat dissipation. Among the radiators of notebooks, they can be divided into various types according to their uses and installation methods. When dissipating heat from a notebook computer, a heat dissipation fan is usually used, but the heat dissipation effect of its fan is not obvious, and it has to be very large in volume to meet the heat dissipation requirements, which is very unfavorable for the compact layout inside. Due to the complex and compact internal structure of the notebook, the existing heat dissipation fans are easily restricted. How to carry out structural design and lightweight layout under the existing structure of the notebook and obtain good heat dissipation has become an urgent problem to be solved. Summary of the Utility Model

[0003] In view of this, the purpose of the utility model is to provide a heat dissipation fan and a notebook device to solve the above problems.

[0004] The utility model adopts the following scheme:

[0005] The present application provides a heat dissipation fan, including a fan body and a housing body; the inside of the housing body is correspondingly hollowed out to form a receiving cavity for accommodating the fan body, and an air outlet communicating the receiving cavity with the outside is opened on one side surface of the housing body, and the air outlet is used to directly lead out the air output by the fan body to external components to be cooled; a constriction structure is provided between the receiving cavity and the air outlet, so that the air output by the fan body presents an outward-expanded state from inside to outside.

[0006] As a further improvement, the constriction structure includes a bent convex portion formed on one side wall of the housing body, and the bent convex portion is correspondingly protruded in the air supply channel of the housing body for constricting the air supply channel and then guiding the air to expand and output.

[0007] As a further improvement, the constriction structure further includes an inclined surface portion formed on the other side wall of the housing body, and the inclined surface portion and the bent convex portion are respectively opposed to each other on the two side walls to cooperate with each other to form a flared opening.

[0008] As a further improvement, the minimum distance between the bent convex portion and the inclined surface portion is formed in the middle section of the air supply channel, and the maximum distance between the bent convex portion and the inclined surface portion is formed at the end of the air supply channel and is adjacent to the air outlet.

[0009] As a further improvement, two locking members which are oppositely arranged left and right are horizontally extended and formed on the other side surface of the housing body, and the locking members are integrally formed on the housing body in a rod shape.

[0010] As a further improvement, the locking member is provided with a plurality of reinforcing rib structures on the side facing the bottom for firmly supporting the outer housing on the external keyboard bracket.

[0011] As a further improvement, the two locking members as a whole present an installation structure in the shape of a long and a short rod.

[0012] As a further improvement, the fan body is an impeller structure and is externally connected with a wire for electrically connecting to the fan body.

[0013] This application further provides a notebook device, including an outer main body, a keyboard bracket arranged inside the outer main body, and a heat dissipation fan as described above configured on the keyboard bracket.

[0014] By adopting the above technical solutions, the following technical effects can be achieved by the present utility model:

[0015] 1. For the heat dissipation fan of this application, through the constriction structure, the wind generated by the fan body accelerates when passing through, and presents an outwardly expanding state at the air outlet, which can more effectively cover and cool the components to be dissipated, thus significantly improving the heat dissipation efficiency.

[0016] 2. Among them, the outwardly expanding air flow state can cover a larger heat dissipation area, avoiding heat concentration, so that the temperature of the entire system is more uniform and reducing the risk of local overheating. The design of the constriction structure can increase the air flow speed without increasing the fan speed, thereby reducing fan noise and achieving the effect of silent heat dissipation.

[0017] 3. Among them, the design of the accommodation cavity enables the fan and the outer housing to be closely combined, with a compact overall structure and small occupied space, suitable for various compact electronic devices that require efficient heat dissipation. Through efficient heat dissipation, it can effectively reduce the working temperature of electronic components, extend their service life, enhance the stability and reliability of the system, and can make the size of the entire heat dissipation fan smaller and lighter, without affecting the heat dissipation effect at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the heat dissipation fan according to the embodiment of the present utility model;

[0019] Figure 2 is Figure 1 the schematic structural diagram after hiding the fan body and the upper cover in

[0020] Figure 3 is a schematic structural diagram of the heat dissipation fan according to the embodiment of the present utility model from other perspectives;

[0021] Figure 4It is a schematic structural diagram of a heat dissipation fan and its wire according to an embodiment of the present utility model.

[0022] Icon: 1 - fan body; 2 - outer housing; 3 - air outlet; 4 - bent convex part; 5 - inclined surface part; 6 - fastener; 7 - rib structure; 8 - wire. Specific implementation mode

[0023] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model.

[0024] Embodiment

[0025] Combined with Figures 1 to 4 , this embodiment provides a heat dissipation fan, including a fan body 1 and an outer housing 2. The inside of the outer housing 2 is correspondingly hollowed out to form a receiving cavity for accommodating the fan body 1. An air outlet 3 communicating the receiving cavity with the outside is provided on one side surface of the outer housing 2, and the air outlet 3 is used to directly lead the air output by the fan body 1 to external components to be cooled. A constriction structure is provided between the receiving cavity and the air outlet 3, so that the air output by the fan body 1 presents an outward-expanded state from the inside to the outside.

[0026] For the above heat dissipation fan, the constriction structure causes the air generated by the fan body 1 to flow at an accelerated speed when passing through, and presents an outward-expanded state at the air outlet 3, which can more effectively cover and cool the components to be cooled, thereby significantly improving the heat dissipation efficiency.

[0027] The outward-expanded air flow state can cover a larger heat dissipation area, avoid heat concentration, so that the temperature of the entire system is more uniform and reduce the risk of local overheating. The design of the constriction structure can increase the air flow speed without increasing the fan speed, thereby reducing the fan noise and achieving the effect of silent heat dissipation.

[0028] The design of the accommodation cavity enables the fan and the outer housing 2 to be closely combined, with a compact overall structure, small occupied space, and is suitable for various compact electronic devices that require efficient heat dissipation. Through efficient heat dissipation, it can effectively reduce the operating temperature of electronic components, extend their service life, enhance the stability and reliability of the system, and can make the size of the entire cooling fan smaller and lighter without affecting the heat dissipation effect.

[0029] As Figure 2 and Figure 4 shown, in this embodiment, the constriction structure includes a bent convex portion 4 formed on one side wall of the outer housing 2. The bent convex portion 4 is correspondingly protruded in the air supply channel of the outer housing 2 and is used to narrow the air supply channel and then guide the air to expand and output. On the one hand, by narrowing the air supply channel, the bent convex portion 4 accelerates the air flow when passing through the constriction structure, increases the air flow speed, and improves the kinetic energy of the air, thereby enhancing the heat dissipation effect. On the other hand, the bent convex portion 4 causes the accelerated air flow to diffuse at the air outlet 3, forming an outwardly expanding air flow state, which can more widely cover the surface of the components to be cooled and improve the uniformity and efficiency of heat dissipation.

[0030] Obviously, the design of the bent convex portion 4 can smooth the change of the air flow, reduce the generation of air flow disorder and noise, and achieve the effect of silent heat dissipation. By directly forming the bent convex portion 4 on the inner wall of the outer housing 2, the structural design is simplified, the number of components and the assembly complexity are reduced, and the production efficiency and reliability are improved.

[0031] Furthermore, the constriction structure further includes an inclined surface portion 5 formed on the other side wall of the outer housing 2. The inclined surface portion 5 and the bent convex portion 4 are respectively disposed on the two side walls opposite to each other to cooperate with each other to form a flared opening. In this way, the constriction structure not only includes the bent convex portion 4, but also adds the inclined surface portion 5 formed on the other side wall of the outer housing 2. The two parts cooperate with each other to form a flared opening, thereby optimizing the air duct design.

[0032] Among them, through the cooperation of the bent convex portion 4 and the inclined surface portion 5, the constriction structure accelerates the air flow when passing through, and improves the kinetic energy of the air flow. The flared opening design enables the accelerated air flow to uniformly diffuse at the outlet, covering a larger heat dissipation area and improving the heat dissipation efficiency.

[0033] Moreover, the combined design of the inclined surface portion 5 and the bent convex portion 4 enables the air flow to smoothly transition when passing through the constriction structure, reduces air flow disorder and noise, and improves the silent effect of the fan. The flared opening reduces the air flow resistance, enabling the fan to provide sufficient air flow even at a lower rotational speed and improving the energy efficiency ratio.

[0034] It should be noted that the air supply channel is connected between the accommodation cavity and the air outlet 3 for corresponding air volume transportation. Moreover, the bent convex part 4 and the inclined surface part 5 of the constriction structure are respectively arranged on both sides of the air supply channel, directly affecting the width of the air supply channel, so as to realize the necking design.

[0035] In this embodiment, the minimum distance between the bent convex part 4 and the inclined surface part 5 is formed in the middle section of the air supply channel, and the maximum distance between the bent convex part 4 and the inclined surface part 5 is formed at the end of the air supply channel and is adjacent to the air outlet 3. Thus, in the middle section of the air supply channel, due to the minimum distance between the bent convex part 4 and the inclined surface part 5, the air flow is compressed at this place, thereby accelerating the flow, increasing the kinetic energy of the air flow, and helping to more effectively take away the heat from the heat dissipation components. And at the end of the air supply channel, the maximum distance between the bent convex part 4 and the inclined surface part 5 enables the air flow to quickly spread when approaching the air outlet 3, forming an outward-expanded air flow state, which can more evenly cover the surface of the components to be cooled, improving the heat dissipation effect.

[0036] As Figure 2 and Figure 3 shown, in this embodiment, on another side surface of the outer housing 2, two oppositely arranged locking members 6 are horizontally extended and integrally formed on the outer housing 2 in a rod shape. It should be understood that the locking members 6 are used to correspondingly install and adapt the outer housing 2 on an external keyboard bracket to achieve effective installation connection. In addition, the two locking members 6 are oppositely arranged left and right, which can provide more balanced fixing force, making the cooling fan more stable during installation and avoiding loosening or displacement. At the same time, the locking members 6 are integrally formed on the outer housing 2, reducing the number of independent components, simplifying the installation process, and improving the installation efficiency.

[0037] Furthermore, the locking members 6 are provided with a plurality of reinforcing rib structures 7 on the side facing the bottom for firmly supporting the outer housing 2 on the external keyboard bracket. And the reinforcing rib structures 7 increase the strength and rigidity of the locking members 6, enabling the outer housing 2 to be more firmly supported on the external keyboard bracket, avoiding deformation or displacement caused by external forces. The plurality of reinforcing rib structures 7 provide multi-point support, making the contact between the outer housing 2 and the external keyboard bracket closer and more stable, enhancing the overall structural stability, and can effectively disperse the pressure during the support of the outer housing 2, reducing the single-point force situation, avoiding local stress concentration, and improving the service life and reliability.

[0038] Preferably, the two locking members 6 as a whole present an installation structure with a long and a short rod shape. Through the long and short rod-shaped locking members 6, the installation and support effects of the cooling fan are further optimized, significantly enhancing the flexibility and stability of the installation, and at the same time improving the aesthetics and practicality of the product.

[0039] It should be noted that the fan body 1 is an impeller structure, and is externally connected with a wire 8 (as Figure 4 shown) for electrically connecting to the fan body 1. Obviously, the fan body with an impeller structure is an existing functional structure, and the power supply is provided to the impeller structure through the wire 8 to rotate, thereby forming wind for heat dissipation, so it will not be elaborated here.

[0040] In addition, this embodiment provides a notebook device, including an outer main body (not shown in the figure), a keyboard bracket (not shown in the figure) arranged inside the outer main body, and the above-mentioned heat dissipation fan configured on the keyboard bracket. Among them, the heat dissipation fan is smaller in size and lighter in weight, and is more suitable for portable notebook computer products.

[0041] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention.

Claims

1. A heat dissipation fan, characterized in that, It includes a fan body and a housing body; the interior of the housing body is hollowed out correspondingly to form a receiving cavity for accommodating the fan body, and an air outlet communicating the receiving cavity with the outside is provided on one side surface of the housing body, and the air outlet is used to directly lead the air output by the fan body to external components to be cooled; a constricting structure is provided between the receiving cavity and the air outlet, so that the air output by the fan body presents an outward-expanded state from the inside to the outside.

2. The cooling fan according to claim 1, characterized in that, The constricting structure includes a bent convex portion formed on one side wall of the housing body, and the bent convex portion is correspondingly protruded in the air supply channel of the housing body for constricting the air supply channel and then guiding the air to expand and output.

3. The cooling fan according to claim 2, wherein The constricting structure further includes an inclined surface portion formed on the other side wall of the housing body, and the inclined surface portion and the bent convex portion are respectively disposed on the two side walls opposite to each other to cooperate with each other to form a flared opening.

4. The cooling fan according to claim 3, characterized in that, The minimum distance between the bent convex portion and the inclined surface portion is formed in the middle section of the air supply channel, and the maximum distance between the bent convex portion and the inclined surface portion is formed at the end of the air supply channel and is adjacent to the air outlet.

5. The cooling fan according to claim 1, wherein On the other side surface of the housing body, two oppositely arranged locking members are horizontally extended, and the locking members are integrally formed in a rod shape on the housing body.

6. The cooling fan according to claim 5, wherein The locking members are provided with a plurality of reinforcing rib structures on the side facing the bottom for stably supporting the housing body on an external keyboard bracket.

7. The cooling fan according to claim 5, characterized in that The two locking members as a whole present an installation structure of a rod shape with one long and one short.

8. The cooling fan according to claim 1, wherein The fan body is an impeller structure and is externally connected with a wire for electrically connecting to the fan body.

9. A notebook device, characterized in that, It includes an outer main body, a keyboard bracket arranged in the outer main body, and a heat dissipation fan as described in any one of claims 1-8 arranged on the keyboard bracket.

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