Heat dissipation structure of high-pressure fan

Abstract

The utility model belongs to the technical field of fans, and particularly relates to a heat dissipation structure of a high-pressure fan, which comprises a fan outer cover, a heat dissipation device and a heat dissipation device. The fan main body is arranged in the fan outer cover, the fan main body is provided with an air inlet and an air outlet, and the air inlet and the air outlet are connected to the fan outer cover; and the connecting air duct is arranged on the air outlet, the connecting air duct faces a fan body located in the fan outer cover, and a cooling fan is arranged in the connecting air duct. According to the utility model, the cooling fan can generate wind power to suck air from the air outlet, and the wind power is blown into the fan outer cover to cool the fan main body, so that the normal use or the service life of the fan main body is prevented from being influenced by overheating of the fan main body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, especially point to a high pressure fan's heat radiation structure. BACKGROUND

[0002] High pressure fan refers to the fan of 30kPa 200KPa or compression ratio e=1.3 3 under the design condition, the air ring type vacuum pump is generally classified as high pressure fan in current industry, and high pressure fan is also called high pressure blower.

[0003] The utility model discloses 2021222181936 discloses a heat dissipation sound insulation high pressure fan, including high pressure fan body, still including bottom plate, side plate and top plate, the side plate is set up on the air inlet in the side plate near high pressure fan body air inlet, and the air outlet is set up on the side plate near high pressure fan body air outlet. The patent is cooled through the S" shape air duct on the air inlet plate, but its actual cooling effect is still not ideal, and there is an urgent need for a heat dissipation structure that can effectively dissipate heat. UTILITY MODEL CONTENTS

[0004] The utility model discloses a heat radiation structure of high pressure fan.

[0005] The utility model discloses a heat radiation structure of high pressure fan.

[0006] The heat radiation structure of high pressure fan includes:

[0007] Fan cover, the fan cover is equipped with the air outlet;

[0008] Fan main body, set up in the fan cover, the fan main body has the air inlet and the air outlet, and the air inlet is connected on the fan cover with the air outlet, and

[0009] Connecting air duct, set up on the air outlet, the connecting air duct is towards the fan main body in the fan cover, and the heat dissipation fan is arranged in the connecting air duct.

[0010] Further, the connecting air duct includes first air duct part and second air duct part arranged from outside to inside in sequence, the first air duct part is equipped with filter grid frame, and the second air duct part is equipped with the heat dissipation fan.

[0011] Further, the connecting air duct further includes heat dissipation air outlet pipe connected with the second air duct part, and the heat dissipation air outlet pipe is towards the motor shell in the fan main body.

[0012] Further, the air outlet is equipped with the first annular baffle inwards along the edge, the first annular baffle is formed with the first air duct part in the first annular baffle, and the first annular baffle is equipped with inner baffle, and the second air duct part is arranged on the inner baffle.

[0013] Further, the filter grid frame comprises an outer frame body fixed on the first annular baffle wall, and a grid net fixed on the outer frame body.

[0014] Further, the cross section of the heat dissipation air outlet pipe is circular.

[0015] The utility model discloses a high pressure fan's heat dissipation structure, and the heat dissipation structure comprises a fan cover, a fan main body and a connecting air duct.

[0016] The utility model discloses a high pressure fan's heat dissipation structure, and the heat dissipation structure comprises a fan cover, a fan main body and a connecting air duct. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Is the structure schematic diagram of the utility model.

[0018] Figure 2 Is the cross section schematic diagram of the utility model.

[0019] Figure 3 Is the split schematic diagram of fan cover and filter grid frame.

[0020] The meaning that the figure mark represents:

[0021] 1, fan cover, 11, air outlet, 12, first annular baffle wall, 13, second annular baffle wall, 14, inner baffle, 2, fan main body, 21, air inlet, 22, air outlet, 23, motor shell, 26, pump body, 3, connecting air duct, 31, heat dissipation fan, 32, first air duct part, 33, second air duct part, 34, heat dissipation air outlet pipe, 35, filter grid frame, 351, outer frame body, 352, grid net. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with specific embodiment:

[0023] The heat dissipation structure of high pressure fan, including fan cover 1, fan main body 2 and connecting air duct 3, be equipped with air outlet 11 on the fan cover 1, the fan main body 2 sets up in the fan cover 1, and fan main body 2 has air inlet 21 and air outlet 22, the air outlet 22 is threaded in the fan cover 1.

[0024] As Figure 1As shown in the utility model, the fan cover 1 is a closed housing formed by a metal plate, the fan body 2 comprises a motor shell 23, the motor shell 23 is provided with a rotor and a stator, one end of the motor shell 23 is provided with a pump body 26, the pump body 26 is provided with the air inlet 21 and the air outlet 22, the air inlet 21 and the air outlet 22 are arranged on the fan cover 1 and are used for communicating with the outside to realize air intake and exhaust.

[0025] The air inlet 21 is arranged on one side of the fan cover 1, the connecting air duct 3 is arranged in the air inlet 21, the connecting air duct 3 is directed to the fan body 2 in the fan cover 1, and the heat dissipation fan 31 is arranged in the connecting air duct 3.

[0026] As shown in the utility model, Figure 1 2 The connecting air duct 3 comprises a first air duct part 32 and a second air duct part 33 arranged from outside to inside in sequence, the first air duct part 32 is provided with a filter grid frame 35, and the second air duct part 33 is provided with the heat dissipation fan 31. Figure 2 As shown in the utility model, the first air duct part 32 is square in cross section, the air outlet 11 is provided with a first annular baffle 12 arranged inward and surrounding in a square shape along an edge, the first annular baffle 12 is formed with the first air duct part 32, the inner side opening of the first annular baffle 12 is provided with a square inner baffle plate 14, the inner baffle plate 14 is provided with a square opening, the square opening is provided with a second annular baffle 13 arranged inward, and the second annular baffle 13 is formed with the second air duct part 33. The edge of the heat dissipation fan 31 is fixed with the second annular baffle 13, so that the heat dissipation fan 31 is mounted.

[0027] At this time, the heat dissipation fan 31 works, air can be sucked from the air outlet 11 by the heat dissipation fan 31 and blown into the fan cover 1, so that the fan body 2 is cooled to prevent the fan body 2 from overheating and affecting normal use or service life.

[0028] Further, the connecting air duct 3 further comprises a heat dissipation air outlet pipe 34 connected with the second air duct part 33, and the heat dissipation air outlet pipe 34 is directed to the motor shell 23 in the fan body 2. Figure 2 3 As shown in the utility model, the heat dissipation air outlet pipe 34 is circular and connected to the other side of the second annular baffle 13, the outer diameter of the heat dissipation air outlet pipe 34 is slightly larger than the outer diameter of the motor shell 23, the motor shell 23 can be included in the heat dissipation air outlet pipe 34, so that when the heat dissipation fan 31 sucks air, the air generated by the heat dissipation fan 31 uniformly flows through the outer wall of the motor shell 23, and the heat dissipation effect of the heat dissipation fan 31 is further increased.​​

[0029] Further, the filter grid frame 35 comprises an outer frame body 351 fixed on the first annular baffle wall 12, and a grid net 352 fixed on the outer frame body 351. Figure 1 、 3 As shown in the figure, the outer frame body 351 is square-shaped, and is connected with the first annular baffle wall 12 by screws, and the grid net 352 is also connected with the inner side of the outer frame body 351 by screws. Some sundries are filtered by the filter grid frame 35, so as to prevent the sundries from entering the fan cover 1 and affecting the working of the fan body 2.

[0030] The above embodiments are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

[0031] It should be understood that the structure, proportion, size, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the implementation range of the present application.

[0032] It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element through an intervening element.

[0033] In addition, the description involving "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope claimed by the present application.

Claims

1. A heat dissipation structure of a high-pressure blower, characterized by, The utility model relates to a fan, which comprises: a fan housing (1) provided with an air outlet (11); a fan body (2) arranged in the fan housing (1), the fan body (2) having an air inlet (21) and an air outlet (22), the air inlet (21) and the air outlet (22) being connected to the fan housing (1); and a connecting air duct (3) arranged on the air outlet (11), the connecting air duct (3) facing the fan body (2) in the fan housing (1), and a cooling fan (31) being arranged in the connecting air duct (3). The connecting air duct (3) comprises a first air duct part (32) and a second air duct part (33) arranged in sequence from outside to inside, a filter grid frame (35) being arranged in the first air duct part (32), and the cooling fan (31) being arranged in the second air duct part (33).

2. The heat dissipation structure of the high-pressure fan according to claim 1, characterized in that: The connecting air duct (3) further comprises a cooling air outlet pipe (34) connected to the second air duct part (33), the cooling air outlet pipe (34) facing a motor shell (23) in the fan body (2).

3. The heat dissipation structure of the high-pressure fan according to claim 2, characterized in that: The air outlet (11) is provided with an inward first annular baffle (12) along the edge, the first annular baffle (12) being shaped with the first air duct part (32), the first annular baffle (12) being provided with an inner baffle plate (14), and the second air duct part (33) being arranged on the inner baffle plate (14).

4. The heat dissipation structure of the high-pressure fan according to claim 2, characterized in that: The filter grid frame (35) comprises an outer frame body (351) fixed to the first annular baffle (12) and a grid net (352) fixed to the outer frame body (351).

5. The heat dissipation structure of the high-pressure fan according to claim 4, characterized in that: The cooling air outlet pipe (34) has a circular cross section.

6. The heat dissipation structure of the high-pressure fan according to claim 3, characterized by: ​

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