CN209943151U - Novel inner rotor fan of internal convection cooling structure - Google Patents
Novel inner rotor fan of internal convection cooling structure Download PDFInfo
- Publication number
- CN209943151U CN209943151U CN201920384758.8U CN201920384758U CN209943151U CN 209943151 U CN209943151 U CN 209943151U CN 201920384758 U CN201920384758 U CN 201920384758U CN 209943151 U CN209943151 U CN 209943151U
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- Prior art keywords
- fan
- heat dissipation
- heat
- cooling structure
- motor
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 241000883990 Flabellum Species 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims description 44
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a novel inside convection cooling structure inner rotor fan, includes fan portion and radiating part, fan portion has included the motor housing of being made by the metal, motor housing center fretwork is formed with the mounting hole be provided with the fan mount pad in the mounting hole seted up the shaft hole on the fan mount pad, the motor shaft of motor is worn to establish in the shaft hole the cover is equipped with the rotation lid on the motor shaft, the mounting groove has been seted up along circumference to the rotation lid outer lane detachably is fixing the flabellum on the mounting groove.
Description
The technical field is as follows:
the utility model relates to a fan technical field specifically is a novel inner rotor fan of inside convection cooling structure has been related to.
Background
Among the prior art, the heat dissipation of inner rotor fan mainly has two channels, one is through the motor housing and the outside heat exchange heat dissipation of making by the metal, another channel is through seting up the louvre at the rear portion of motor housing, the radiating groove dispels the heat, but the mode radiating effect through heat exchange heat dissipation is relatively poor, it is consuming time long, this can lead to the heat gathering to cause the internals to send out the boiling hot in that the fan is inside, and though have better radiating effect through seting up the radiating mode of louvre, but if the louvre is seted up too much, lead to the rotatory noise that produces of fan flabellum to disperse by the louvre externally easily, cause noise pollution.
The utility model has the following contents:
to this end, the utility model aims at providing a novel inside convection cooling structure inner rotor fan with better radiating effect.
The specific technical scheme is as follows:
an inner rotor fan of a novel internal convection cooling structure comprises a fan part and a heat dissipation part, wherein the fan part comprises a motor housing made of metal, the center of the motor housing is hollowed to form a mounting hole, a fan mounting seat is arranged in the mounting hole, a shaft hole is formed in the fan mounting seat, a motor shaft of a motor penetrates through the shaft hole, a rotating cover is sleeved on the motor shaft, a mounting groove is formed in the outer ring of the rotating cover along the circumferential direction, and fan blades are detachably fixed on the mounting groove;
an inner cavity is formed in the motor housing in a hollow mode, a ventilation groove is formed in the inner wall of the mounting hole and provided with two air channels, and air flow generated by rotation of the fan blades can enter the inner cavity from the air channels;
the front end of the heat dissipation part is connected with the fan part, a heat dissipation cavity is formed in the heat dissipation part in a hollow mode, the heat dissipation cavity is communicated with the inner cavity, a plurality of heat dissipation fins are uniformly arranged on the surface of the heat dissipation part, a heat conduction pipe is connected to the side wall of the heat dissipation part, a heat absorption plate is fixed to the end portion of the heat conduction pipe, the heat absorption plate is attached to the bottom of the metal housing, and the heat conduction pipe is communicated with the heat dissipation cavity.
As the utility model discloses a preferred, the fan mount pad passes through the leg joint and is in on the pore wall of mounting hole.
As the improvement of the utility model, the heat absorbing plate is a monocrystalline silicon heat absorbing plate.
As a further improvement, heat radiation fins's height will be higher than the height of flabellum, the lateral wall of heat dissipation part is divided into fin district, zhong qun and lower region from top to bottom, the height in fin district will be higher than the flabellum, the zhong qun highly with the flabellum height is leveled, the lower region height will be less than the flabellum the zhong qun has seted up into the wind gap.
As a further improvement of the present invention, an air outlet is formed between two adjacent heat dissipation fins.
Compared with the prior art, the utility model has the advantages of: its motor housing adopts special hollow out construction for the motor is at the operation in-process, and its motor inner space and exterior space are fine to link up, at flabellum operation in-process, drive the circulation of inside air by the flabellum, and just form a convection current cyclone, thereby can drive the heat that gives off the inside motor of fan, improve the inside radiating efficiency of motor, thereby reached the purpose of inside cooling.
Description of the drawings:
fig. 1 is a schematic structural view of an inner rotor fan in a novel internal convection cooling structure in an embodiment of the present invention;
fig. 2 is a partial structure view of the fan part in fig. 1.
The specific implementation mode is as follows:
preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides a novel inner rotor fan of inside convection cooling structure, including fan portion and radiating part, fan portion has included the motor housing 1 of being made by the metal, and this motor housing wholly appears for squarely, is formed with a circular shape mounting hole at its central point position fretwork, is provided with fan mount pad 2 in the mounting hole, has many supports along circumferential connection on the fan mount pad, and these supports are through injection moulding integrated connection on the fan mount pad, and the one end of support links to each other with the fan mount pad, and the other end is connected on the pore wall of mounting hole.
The fan mounting seat is characterized in that a shaft hole 21 is formed in the center of the fan mounting seat, a motor (not shown in the attached drawings) is fixed at the rear end of the fan mounting seat, a motor shaft of the motor penetrates through the shaft hole, a rotating cover 3 is sleeved on the motor shaft, a mounting groove 4 is formed in the outer ring of the rotating cover along the circumferential direction, fan blades are detachably fixed on the mounting groove, when the motor is electrified and started, the motor shaft can be driven to rotate rapidly, the motor shaft can drive the rotating cover sleeved on the motor shaft to rotate, when the rotating cover rotates, the fan blades fixed on the motor shaft can be driven to rotate, and the outline of the fan blades is;
an inner cavity is formed in the motor housing in a hollow mode, a ventilating groove 5 is formed in the inner wall of the mounting hole, two side groove walls of the ventilating groove are hollow to form two square air channels, and air flow generated by rotation of the fan blades can enter the inner cavity through the air channels; the front end of the heat dissipation part is connected with the fan part, a heat dissipation cavity is formed in the heat dissipation part in a hollow mode and is communicated with the inner cavity, a plurality of heat dissipation fins 6 are uniformly arranged on the surface of the heat dissipation part, a heat conduction pipe 7 is connected to the side wall of the heat dissipation part and is communicated with the heat dissipation cavity, one end of the heat conduction pipe is connected with the side wall of the heat dissipation part, a heat absorption plate 8 is fixed to the end portion of the other end of the heat conduction pipe and is attached to the bottom of the metal housing, the heat plate is a monocrystalline silicon heat absorption plate, the heat absorption plate is used for accelerating heat exchange between the metal housing and the outside, specifically, monocrystalline silicon has good heat absorption performance and is commonly used in the photovoltaic industry and is used for absorbing solar energy, in the embodiment, the monocrystalline silicon is used for absorbing heat on the surface of the metal housing and accelerating.
The height that heat radiation fins will be higher than the flabellum in the foregoing, the lateral wall of heat dissipation part is divided into fin district 91, middle district 92 and lower region 93 from top to bottom, the height in fin district will be higher than the flabellum, the height in middle district with the flabellum height is levelled, the lower region height will be less than the flabellum the middle district has seted up into wind gap 921. An air outlet is formed between two adjacent radiating fins. The outside air can enter the heat dissipation cavity from the air inlet, in the operation process of the fan blades, the fan blades drive the circulation of the inside air, so that the air flow of the fan part can enter the heat dissipation cavity, the heat dissipation fins can swing back and forth under the drive of the motor, because the heat dissipation fins are arranged outside the heat dissipation cavity, when the heat dissipation fins swing, the outside air flow can be generated, the air pressure inside the heat dissipation cavity is reduced, when the air pressure inside the heat dissipation cavity is reduced, the outside air can enter the heat dissipation cavity from the air inlet, the air flow generated by the fan blades and the air flow entering from the air inlet form a convection cyclone in the heat dissipation cavity, and the cyclone can be discharged from the air outlet, so that the heat of the motor inside the fan can be driven to dissipate, and the heat dissipation efficiency inside the motor is improved.
The above description is for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention in any way, and modifications and variations can be made without departing from the principles of the present invention.
Claims (5)
1. The utility model provides a novel inner rotor fan of inside convection cooling structure which characterized in that: the fan comprises a fan part and a heat dissipation part, wherein the fan part comprises a motor housing made of metal, the center of the motor housing is hollowed to form a mounting hole, a fan mounting seat is arranged in the mounting hole, a shaft hole is formed in the fan mounting seat, a motor shaft of a motor penetrates through the shaft hole, a rotating cover is sleeved on the motor shaft, a mounting groove is formed in the outer ring of the rotating cover along the circumferential direction, and the fan blades are detachably fixed on the mounting groove;
an inner cavity is formed in the motor housing in a hollow mode, a ventilation groove is formed in the inner wall of the mounting hole and provided with two air channels, and air flow generated by rotation of the fan blades can enter the inner cavity from the air channels;
the front end of the heat dissipation part is connected with the fan part, a heat dissipation cavity is formed in the heat dissipation part in a hollow mode, the heat dissipation cavity is communicated with the inner cavity, a plurality of heat dissipation fins are uniformly arranged on the surface of the heat dissipation part, a heat conduction pipe is connected to the side wall of the heat dissipation part, a heat absorption plate is fixed to the end portion of the heat conduction pipe, the heat absorption plate is attached to the bottom of the motor housing, and the heat conduction pipe is communicated with the heat dissipation cavity.
2. The novel internal convective cooling structure internal rotor fan of claim 1, characterized in that: the fan mounting seat is connected to the hole wall of the mounting hole through a support.
3. The novel internal convective cooling structure internal rotor fan of claim 1, characterized in that: the heat absorbing plate is a monocrystalline silicon heat absorbing plate.
4. The novel internal convective cooling structure internal rotor fan of claim 3, characterized in that: the height that heat radiation fins will be higher than the flabellum, the lateral wall of heat dissipation part is divided into fin district, zhong district and lower region from top to bottom, the height in fin district will be higher than the flabellum, the height in zhong district with the flabellum height is about equal, lower region height will be less than the flabellum the wind gap has been seted up to the zhong district.
5. The novel internal convective cooling structure internal rotor fan of claim 4, characterized in that: an air outlet is formed between two adjacent radiating fins.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920384758.8U CN209943151U (en) | 2019-03-26 | 2019-03-26 | Novel inner rotor fan of internal convection cooling structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920384758.8U CN209943151U (en) | 2019-03-26 | 2019-03-26 | Novel inner rotor fan of internal convection cooling structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209943151U true CN209943151U (en) | 2020-01-14 |
Family
ID=69125276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920384758.8U Expired - Fee Related CN209943151U (en) | 2019-03-26 | 2019-03-26 | Novel inner rotor fan of internal convection cooling structure |
Country Status (1)
Country | Link |
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CN (1) | CN209943151U (en) |
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2019
- 2019-03-26 CN CN201920384758.8U patent/CN209943151U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |