Ventilation panel of fan

Abstract

The utility model provides a fan ventilation panel, relates to electronic equipment heat dissipation structure technical field, the panel is provided with a plurality of circles of ventilation hole group, each circle of ventilation hole group is formed by a plurality of ventilation holes evenly distributed in the circumferential direction, the plurality of circles of ventilation hole groups are sequentially distributed in the radial direction, and the ventilation hole group is formed by a plurality of ventilation holes evenly distributed in the circumferential direction. A plurality of concentric circle structures taking the axis of the fan as the circle center are formed; wherein the hole diameters of the ventilation holes in each circle of ventilation hole group are the same, and the hole diameters of the multiple circles of ventilation hole groups are sequentially increased in equal proportion from inside to outside by taking the circle center of the concentric circle as the center. Compared with a traditional hole opening scheme, a larger ventilation area can be achieved for a panel and a fan with the same size, and meanwhile the distribution mode that the hole opening sizes are gradually increased from inside to outside conforms to the heat dissipation and ventilation characteristics of the fan. Aiming at the hole opening requirement of the fan heat dissipation structure of the electronic equipment, the effective ventilation area is greatly increased, and meanwhile, the electromagnetic shielding requirement is considered.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment heat dissipation structure technical field, concretely relates to a fan ventilation panel. BACKGROUND

[0002] The opening distribution of the fan mounting panel has a great influence on the ventilation and heat exchange efficiency and electromagnetic shielding performance of the fan in the electronic equipment heat dissipation structure. It has been a technical difficulty to realize the maximization of the opening of the fan mounting panel while considering the electromagnetic shielding performance. The commonly used opening scheme has low ventilation and heat dissipation efficiency, which is difficult to meet the increasing ventilation and heat dissipation demand of the electronic equipment power consumption. SUMMARY

[0003] In order to realize the optimal opening scheme in the fan forced air cooling heat dissipation structure, the application embodiment provides a fan ventilation panel, which can realize the maximum ventilation and heat dissipation efficiency while considering the electromagnetic shielding performance of the electronic equipment under the condition of the given fan size.

[0004] The application embodiment provides the following technical scheme: a fan ventilation panel, a plurality of sets of ventilation holes are arranged on the panel, wherein each set of ventilation holes is uniformly arranged in a circle, and a plurality of sets of ventilation holes are arranged along the radial direction to form a plurality of concentric circle structures with the fan shaft as the center; wherein the ventilation holes in each set of ventilation holes have the same diameter, and the diameters of the ventilation holes in the plurality of sets of ventilation holes increase proportionally from the inside to the outside with the center of the concentric circle as the center.

[0005] According to one embodiment of the application, the ventilation holes in the ventilation hole sets of adjacent circles are arranged in a staggered manner.

[0006] According to one embodiment of the application, the number of ventilation holes in each circle in the plurality of sets of ventilation holes is the same.

[0007] According to one embodiment of the application, the number of ventilation holes in each circle in the plurality of sets of ventilation holes is not more than 30.

[0008] According to one embodiment of the application, the central angle between adjacent ventilation holes in each set of ventilation holes is 12°.

[0009] According to one embodiment of the application, the central angle between adjacent ventilation holes in the ventilation hole sets of adjacent circles is 6°.

[0010] According to one embodiment of the application, the central angle between adjacent ventilation holes in the ventilation hole sets of adjacent circles is 6°.

[0010] n The diameter d of the ventilation hole in the nth circle is calculated by the following formula:

[0011] dn = d n-1 + 0.5.

[0012] According to an embodiment of the present application, the first circle of the ventilation hole group is formed by the innermost circle, and the diameter of the circle formed by the nth circle of the ventilation hole group is D n The following formula is used for calculation:

[0013] D n = D n-1 + 7 + (n-1)X0.5.

[0014] Compared with the prior art, the above-mentioned at least one technical solution adopted by the embodiments of the present application can achieve the beneficial effects at least including: based on actual design and use experience, the fan panel opening is designed, the maximum ventilation and heat dissipation efficiency is realized under the condition of the given fan size, and the electromagnetic shielding performance of the electronic equipment is considered. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 is a fan mounting panel opening schematic diagram of the embodiments of the present application;

[0017] Figure 2 is a fan mounting panel size schematic diagram of the embodiments of the present application;

[0018] Figure 3 is a first uniform distribution opening schematic diagram of the embodiments of the present application;

[0019] Figure 4 is a second uniform distribution opening schematic diagram of the embodiments of the present application;

[0020] Figure 5 is an opening position schematic diagram of the embodiments of the present application;

[0021] Among them, 1-panel, 2-ventilation hole. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below with reference to the drawings.

[0023] Following make the application's implementation through specific concrete example, the person skilled in the art can easily understand the other advantages and efficacy of the application from the disclosure of this specification. Obviously, the described embodiments are only a part of the embodiments of the application, not all the embodiments. The application can also be implemented or applied by another different specific implementation, and the details in the specification can be based on different views and applications, various modifications or changes are made without departing from the spirit of the application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the application, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the application.

[0024] As Figures 1-5 The utility model embodiment provides a fan ventilation panel, the panel 1 is provided with a plurality of ventilation hole groups, wherein each ventilation hole group is composed of a plurality of ventilation holes 2 arranged uniformly in the circumferential direction, and the plurality of ventilation hole groups are arranged in the radial direction in turn to form a plurality of concentric circle structures with the fan shaft as the center.

[0025] When designing the opening size of the fan panel, not only the ventilation efficiency and electromagnetic shielding ability need to be considered, but also the processability of the parts and the overall stiffness need to be considered. The size of the hole and the hole spacing are controlled within a reasonable range. Based on actual design and use experience, the utility model embodiment can realize the maximum ventilation and heat dissipation efficiency while considering the electromagnetic shielding performance of electronic equipment by designing the opening of the fan panel under the condition of the given fan size.

[0026] Under the condition of the selected fan size, after calculating the design parameters such as the opening size of the ventilation hole, the hole spacing, and the number of single-circle hole distribution by the formula, the detailed design is carried out by referring to the drawings given in the utility model embodiment.

[0027] As Figure 2 As shown in Figure 2 , the fan shaft size A1 = 35 mm, and the maximum effective size of the fan A2 = 80 mm. The opening design of the fan mounting panel needs to be carried out for the above fan basic outline size to realize the maximum fan ventilation and heat dissipation efficiency while ensuring the electromagnetic compatibility performance of the product. First, the opening size of the fan mounting position should be between the fan shaft size A1 and the maximum effective size of the fan A2 in principle.

[0028] Considering the industrial design requirements of the product, the number of the distribution of each circle of ventilation holes 2 is not more than 30 when the holes are uniformly distributed; in each circle of the ventilation hole group, the corresponding central angle between adjacent ventilation holes 2 is 12°; in the ventilation hole group of adjacent circles, the corresponding central angle between adjacent ventilation holes 2 is 6°; and the uniform distribution effect as shown in Figure 3 and Figure 4 is formed.

[0029] In a preferred mode of the embodiment, taking the center of the concentric circle as the center from inside to outside, the innermost circle is the first circle, the diameter of the first circle of ventilation holes is 2.5-3.5 mm, d1=3 mm is taken, and the diameter d of each subsequent circle of holes is n calculated according to the following formula, where n is the nth circle.

[0030] d n =d n-1 +0.5.

[0031] In a preferred mode of the embodiment, taking the center of the concentric circle as the center from inside to outside, the innermost circle is the first circle, the diameter D1 of the circle formed by the first circle of ventilation hole groups is 40 mm, and the diameter D of the circle formed by each subsequent circle of ventilation hole groups is n calculated by the following formula, where n is the nth circle.

[0032] D n =D n-1 +7+(n-1)X0.5.

[0033] In a preferred mode of the embodiment, the ventilation holes 2 in the ventilation hole group of adjacent circles are staggered. In addition, in the multiple ventilation hole groups, the number of the distribution of the ventilation holes 2 in each circle is the same.

[0034] In addition, in order to facilitate installation, the edge distance of the fan mounting panel air hole is not less than 1 mm.

[0035] The utility model discloses to the same panel and fan size, can realize the larger ventilation area of traditional hole scheme, and the distribution mode that hole size gradually increases from inside to outside meets the fan heat dissipation ventilation characteristic. The utility model discloses to the electronic equipment fan heat dissipation structure hole requirement, greatly increases the effective ventilation area, and gives consideration to electromagnetic shielding demand.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A fan vent panel, characterized by, The plurality of sets of ventilation holes are arranged on the panel, wherein each set of ventilation holes is composed of a plurality of ventilation holes arranged uniformly in a circumferential direction, and the plurality of sets of ventilation holes are arranged in a radial direction in sequence to form a plurality of concentric circle structures with the shaft center of the fan as the center; wherein the diameters of the ventilation holes in each set of ventilation holes are the same, and the diameters of the ventilation holes in the plurality of sets of ventilation holes increase proportionally from inside to outside with the center of the concentric circle as the center; In each set of ventilation holes, the corresponding central angle between adjacent ventilation holes is 12°. In the ventilation hole set of the adjacent circle, the corresponding central angle between adjacent ventilation holes is 6°. With the center of the concentric circle as the center, from inside to outside, the innermost circle is the first circle, the hole diameter of the vent hole of the first circle is 2.5-3.5mm, the hole diameter of the vent hole of the nth circle is Calculated by the following formula: ； With the center of the concentric circle as the center, from inside to outside, the innermost circle is the first circle, the circle formed by the first group of ventilation holes has a diameter of 40 mm, the circle formed by the nth group of ventilation holes has a diameter of 40n mm The calculation is made by the following formula: 。 2. The fan vent panel of claim 1, wherein, The ventilation holes in the ventilation hole set of the adjacent circle are arranged in a staggered manner.

3. The fan vent panel of claim 1, wherein, In the plurality of sets of ventilation holes, the number of distributed ventilation holes in each circle is the same.

4. The fan vent panel of claim 3, wherein, In the plurality of sets of ventilation holes, the number of distributed ventilation holes in each circle is not more than 30.

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