CN110932476A - High-efficient heat dissipation axial compressor motor and axial fan - Google Patents
High-efficient heat dissipation axial compressor motor and axial fan Download PDFInfo
- Publication number
- CN110932476A CN110932476A CN201911256126.4A CN201911256126A CN110932476A CN 110932476 A CN110932476 A CN 110932476A CN 201911256126 A CN201911256126 A CN 201911256126A CN 110932476 A CN110932476 A CN 110932476A
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- Prior art keywords
- motor
- rotor
- axial flow
- wall
- heat dissipation
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the technical field of axial flow ventilators, and provides a high-efficiency heat-dissipation axial flow motor which comprises a motor shell, a motor stator assembly and a motor rotor assembly, wherein the motor stator assembly surrounds the inner wall of the motor shell, the motor rotor assembly comprises a rotor ring and a rotor, the rotor ring is arranged in an inner ring of the motor stator assembly, a permanent magnet is arranged on the outer wall of the rotor ring, the rotor is connected to the inner wall of the rotor ring, the inner wall of the rotor is connected with a plurality of rotor blades, the rotor blades extend inwards, a motor inner cavity is formed by the inner ring of the rotor, the rotor drives the rotor blades to rotate to form axial flow airflow, and the axial flow airflow flows through the outer wall. The efficient heat dissipation axial flow motor is applied to the axial flow fan, so that when the axial flow fan works, the motor shell and the inner cavity of the motor can be simultaneously dissipated by the air blast of the fan, and the cooling efficiency is high.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to an efficient heat dissipation axial flow motor and an axial flow fan.
Background
Axial fans are widely used in various ventilation systems, and a motor in the axial fan generates a large amount of heat during operation, so that the overall temperature of the axial fan is increased. Axial fan in the existing market mainly relies on self blast air to cool down to the heat dissipation of motor, because the motor among the axial fan all is the closed motor that has the output pivot usually, can only rely on the shell heat dissipation of motor, the heat dissipation cooling effect is relatively poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing an efficient heat-dissipation axial flow motor, which can efficiently and quickly dissipate heat and cool the axial flow motor when the axial flow motor works.
The invention provides a high-efficiency heat-dissipation axial flow motor which comprises a motor shell, a motor stator assembly and a motor rotor assembly, wherein the motor stator assembly surrounds the inner wall of the motor shell, the motor rotor assembly comprises a rotor ring and a rotor, the rotor ring is arranged in an inner ring of the motor stator assembly, a permanent magnet is arranged on the outer wall of the rotor ring, the rotor is connected to the inner wall of the rotor ring, the inner wall of the rotor is connected with a plurality of rotor blades, the rotor blades extend inwards, a motor inner cavity is formed by the inner ring of the rotor, the rotor drives the rotor blades to rotate to form axial flow airflow, and the axial flow airflow flows through the outer wall of the motor shell and the inner part of the motor.
Compared with the prior art, when the efficient heat dissipation axial flow motor works, the motor shell and the inner cavity of the motor can be simultaneously dissipated by the blast air of the motor, and the cooling efficiency is high.
Preferably, the rotor blades are of a size larger than the motor housing. By adopting the structure, when the rotor drives the rotor blades to rotate so that air behind the motor forms axial flow airflow, one part of the axial flow airflow passes through the outer wall of the motor shell to cool the outer wall of the motor shell, and the other part of the axial flow airflow passes through the inner cavity of the motor to take away heat in the inner cavity of the motor.
Preferably, a rotor output shaft is arranged at the central position of the rotor, all rotor blades are connected to the rotor output shaft, an axial flow fan blade is further arranged on the rotor output shaft, and the size of the axial flow fan blade is larger than that of the motor shell. By adopting the structure, when the rotor drives the rotor blades and the rotor output shaft to rotate, the rotor output shaft drives the axial flow fan blades to rotate, the formed axial flow air flow passes through the outer wall of the motor shell and the inner cavity of the motor simultaneously, and part of the axial flow air flow is accelerated by the two stages of the rotor blades and the axial flow fan blades, so that the pneumatic performance is greatly enhanced, the outer wall of the motor shell is rapidly cooled, and heat in the inner cavity of the motor is rapidly taken away.
Preferably, a heat conduction pipe is arranged between the motor shell and the motor stator assembly, and a cooling medium is hermetically filled in the heat conduction pipe. By adopting the structure, the heat pipe transfers the heat generated by the stator component of the motor to the inner wall of the motor shell, so that the heat dissipation and cooling of the motor are accelerated. The heat pipe may be a copper pipe and the cooling medium may be water.
Preferably, the rotor is connected to the inner wall of the rotor ring by a bearing. By adopting the structure, the bearing can support the rotor and the rotor blade and transmit the thrust for rotating the rotor blade, and the abrasion between the rotor and the rotor ring is reduced.
Preferably, a plurality of cooling fins are arranged on the outer wall of the motor shell. By adopting the structure, the radiating fins can accelerate the outward radiation of the motor shell.
The invention aims to solve another technical problem of providing an axial flow fan, which can efficiently and quickly dissipate heat and cool when the axial flow fan works.
The technical scheme of the invention is to provide an axial flow fan, which comprises a fan barrel, wherein the fan barrel is internally provided with a high-efficiency heat-dissipation axial flow motor with any structure.
Compared with the prior art, when the axial flow fan works, the motor shell and the inner cavity of the motor can be simultaneously cooled by the blast of the fan, and the cooling efficiency is high.
Preferably, the barrel wall of the fan barrel is further provided with a control box, and the control box is electrically connected with the efficient heat dissipation axial flow motor with the structure and used for controlling the efficient heat dissipation axial flow motor to be electrified, operated or shut down. By adopting the structure, the axial flow fan works intelligently.
Preferably, a temperature sensor is further arranged in the fan barrel, the control box is electrically connected with the temperature sensor and used for acquiring the working temperature of the axial flow fan, and the control box controls the high-efficiency heat-dissipation axial flow motor to operate or stop according to the working temperature of the axial flow fan. By adopting the structure, when the axial flow fan is abnormally operated and the temperature is overhigh, the control box can control the efficient heat dissipation axial flow motor in the axial flow fan to stop, and the damage of the motor is avoided.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of an axial flow motor with high efficiency heat dissipation according to the present invention.
Fig. 2 is a left side view of a first embodiment of the axial flow motor with high efficiency heat dissipation of the present invention.
Fig. 3 is a sectional view of a second embodiment of the axial flow motor with high efficiency heat dissipation of the present invention.
Fig. 4 is a left side view of a second embodiment of the axial flow motor with high efficiency heat dissipation of the present invention.
As shown in the figure: 1. the efficient heat dissipation axial flow motor comprises, by weight, 1-1 parts of a motor shell, 1-2 parts of a heat conduction pipe, 1-3 parts of a motor stator assembly, 1-4 parts of a motor rotor assembly, 1-5 parts of a rotor blade, 1-6 parts of a rotor output shaft, 1-7 parts of a motor inner cavity, 2 parts of an axial flow fan blade.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.
In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when an expression such as "at least one" appears after a list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.
As shown in fig. 1 and fig. 2, a first embodiment of the efficient heat dissipation axial flow motor of the present invention includes a motor housing 1-1, a heat pipe 1-2, a motor stator assembly 1-3, a motor rotor assembly 1-4, a rotor blade 1-5, and a motor inner cavity 1-7; a plurality of radiating fins (not shown) are arranged on the outer wall of the motor shell 1-1; the motor stator component 1-3 is composed of a stator winding and a stator core together and surrounds the inner wall of the motor shell 1-1 in a duct shape; the heat conduction pipe 1-2 is clamped between the inner wall of the motor shell 1-1 and the motor stator component 1-3, a cooling medium is hermetically filled in the heat conduction pipe 1-2, the heat conduction pipe in the embodiment is a copper pipe, and the cooling medium is water; the motor rotor assembly 1-4 comprises a rotor ring and a rotor, the rotor ring is arranged in an inner ring of a motor stator assembly 1-3, a permanent magnet is arranged on the outer wall of the rotor ring, the rotor is connected with the rotor ring through a bearing, the inner wall of the rotor is connected with a plurality of rotor blades 1-5, the rotor blades 1-5 extend inwards, and the bearing is used for supporting the rotor and the rotor blades 1-5 and transmitting thrust for rotating the rotor blades 1-5; the inner ring of the rotor forms a cavity, namely an inner cavity 1-7 of the motor, and the size of the rotor blade 1-5 is larger than that of the motor shell 1-1.
When the first embodiment of the efficient heat dissipation axial flow motor works, on one hand, the heat generated by the motor stator assembly 1-3 is transferred to the inner wall of the motor shell 1-1 by the heat conduction pipe 1-2 and is dissipated outwards by the heat dissipation fins on the outer wall of the motor shell 1-1, and most of heat generated by the motor rotor assembly 1-4 is gathered in the inner cavity 1-7 of the motor; on the other hand, the rotor drives the rotor blades 1-5 to rotate to generate air negative pressure, so that air behind the motor forms axial flow airflow, one part of the axial flow airflow passes through the outer wall of the motor shell 1-1 to cool the outer wall of the motor shell 1-1, and the other part of the axial flow airflow passes through the inner cavity 1-7 of the motor to take away heat in the inner cavity 1-7 of the motor. Therefore, the efficient heat dissipation axial flow motor can simultaneously dissipate heat inside and outside, and is high in cooling efficiency.
As shown in fig. 3 and 4, a second embodiment of the efficient heat dissipation axial flow motor of the present invention includes a motor housing 1-1, a heat pipe 1-2, a motor stator assembly 1-3, a motor rotor assembly 1-4, a rotor blade 1-5, a rotor output shaft 1-6, a motor inner cavity 1-7, and an axial flow fan blade 2; a plurality of radiating fins (not shown) are arranged on the outer wall of the motor shell 1-1; the motor stator component 1-3 is composed of a stator winding and a stator core together and surrounds the inner wall of the motor shell 1-1 in a duct shape; the heat conduction pipe 1-2 is clamped between the inner wall of the motor shell 1-1 and the motor stator component 1-3, a cooling medium is hermetically filled in the heat conduction pipe 1-2, the heat conduction pipe in the embodiment is a copper pipe, and the cooling medium is water; the motor rotor assembly 1-4 comprises a rotor ring and a rotor, the rotor ring is arranged in an inner ring of a motor stator assembly 1-3, a permanent magnet is arranged on the outer wall of the rotor ring, the rotor is connected with the rotor ring through a bearing, the inner wall of the rotor is connected with a plurality of rotor blades 1-5, the rotor blades 1-5 extend inwards, a rotor output shaft 1-6 is arranged at the central position of the rotor, all the rotor blades 1-5 are connected onto the rotor output shaft 1-6, and the bearing is used for supporting the rotor and the rotor blades 1-5 and transmitting the thrust force for rotating the rotor blades 1-5; the inner ring of the rotor forms a cavity, namely an inner cavity 1-7 of the motor, and the rotor blades 1-5 are positioned in the inner cavity 1-7 of the motor; the rotor output shaft 1-6 is also provided with an axial flow fan blade 2, and the size of the axial flow fan blade 2 is larger than that of the motor shell 1-1.
When the first embodiment of the efficient heat dissipation axial flow motor works, on one hand, the heat generated by the motor stator assembly 1-3 is transferred to the inner wall of the motor shell 1-1 by the heat conduction pipe 1-2 and is dissipated outwards by the heat dissipation fins on the outer wall of the motor shell 1-1, and most of heat generated by the motor rotor assembly 1-4 is gathered in the inner cavity 1-7 of the motor; on the other hand, the rotor drives the rotor blades 1-5 and the rotor output shafts 1-6 to rotate, so that air behind the motor forms axial-flow airflow to pass through the inner cavity 1-7 of the motor, the rotor output shafts 1-6 drive the axial-flow fan blades 2 to rotate, the air behind the motor forms axial-flow airflow to pass through the outer wall of the motor shell 1-1 and the inner cavity 1-7 of the motor at the same time, part of the axial-flow airflow passes through the two-stage acceleration of the rotor blades 1-5 and the axial-flow fan blades 2, the aerodynamic performance is greatly enhanced, the axial-flow airflow passing through the outer wall of the motor shell 1-1 enables the outer wall of the motor shell 1-1 to be rapidly cooled, and heat in the inner cavity 1-7 of the motor is. Therefore, the efficient heat dissipation axial flow motor can simultaneously dissipate heat inside and outside, and has extremely high cooling efficiency.
The high-efficiency heat dissipation axial flow motor is applied to the axial flow fan, so that the axial flow fan can dissipate heat efficiently during working. The axial flow fan of the high-efficiency heat dissipation axial flow motor comprises a fan barrel, the high-efficiency heat dissipation axial flow motor with the structure is arranged in the fan barrel, a control box is further arranged on the barrel wall of the fan barrel, and the control box is electrically connected with the high-efficiency heat dissipation axial flow motor with the structure and used for controlling the high-efficiency heat dissipation axial flow motor to be electrified, operated or shut down. The fan barrel is also internally provided with a temperature sensor, the control box is electrically connected with the temperature sensor and used for acquiring the working temperature of the axial flow fan, the control box controls the high-efficiency heat-dissipation axial flow motor to normally operate according to the working temperature of the axial flow fan, or when the high-efficiency heat-dissipation axial flow motor abnormally works and causes overhigh temperature, the control box controls the high-efficiency heat-dissipation axial flow motor to stop.
Claims (9)
1. The utility model provides a high-efficient heat dissipation axial flow motor, which comprises a motor housing, motor stator subassembly, motor rotor subassembly, motor stator subassembly encircles on the inner wall of motor housing, motor rotor subassembly includes rotor ring and rotor, the rotor ring sets up in motor stator subassembly's inner circle, install the permanent magnet on the outer wall of rotor ring, the rotor is connected on the inner wall of rotor ring, the inner wall connection of rotor has a plurality of rotor blades, rotor blade inwards stretches out, the inner circle of rotor forms motor cavity, a serial communication port, the rotor drives the rotatory axial flow air current that forms of rotor blade, this axial flow air current flows through motor housing's outer wall and motor cavity's inside simultaneously.
2. The axial flow motor with high efficiency heat dissipation according to claim 1, wherein the size of the rotor blade is larger than that of the motor housing.
3. The axial flow motor with the efficient heat dissipation function as recited in claim 1, wherein a rotor output shaft is arranged at a central position of the rotor, all rotor blades are connected to the rotor output shaft, axial flow blades are further arranged on the rotor output shaft, and the size of each axial flow blade is larger than that of a motor shell.
4. The axial flow motor with high heat dissipation efficiency as recited in claim 1, wherein a heat pipe is disposed between the motor housing and the motor stator assembly, and a cooling medium is hermetically contained in the heat pipe.
5. The axial flow motor with high efficiency heat dissipation according to claim 1, wherein the rotor is coupled to the inner wall of the rotor ring by a bearing.
6. The axial flow motor with high efficiency heat dissipation according to claim 1, wherein a plurality of heat dissipation fins are provided on an outer wall of the motor housing.
7. An axial flow fan comprising a fan case, wherein the fan case is provided with the high-efficiency heat-dissipating axial flow motor as recited in any one of claims 1 to 6.
8. The axial flow fan according to claim 7, wherein a control box is further disposed on the wall of the fan barrel, and the control box is electrically connected to the efficient heat dissipation axial flow motor for controlling the efficient heat dissipation axial flow motor to be powered on, operated or shut down.
9. The axial flow fan according to claim 8, wherein a temperature sensor is further disposed in the fan barrel, the control box is electrically connected to the temperature sensor for obtaining the operating temperature of the axial flow fan, and the control box controls the operation or shutdown of the efficient heat dissipation axial flow motor according to the operating temperature of the axial flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256126.4A CN110932476A (en) | 2019-12-10 | 2019-12-10 | High-efficient heat dissipation axial compressor motor and axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256126.4A CN110932476A (en) | 2019-12-10 | 2019-12-10 | High-efficient heat dissipation axial compressor motor and axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110932476A true CN110932476A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256126.4A Pending CN110932476A (en) | 2019-12-10 | 2019-12-10 | High-efficient heat dissipation axial compressor motor and axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110932476A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436532A (en) * | 2021-06-24 | 2021-09-24 | 武汉虹信技术服务有限责任公司 | 3D animation display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000054990A (en) * | 1998-08-11 | 2000-02-22 | Japan Servo Co Ltd | Axial fan |
| CN102312865A (en) * | 2010-06-29 | 2012-01-11 | 日本电产株式会社 | Air Blast fan and production method thereof |
-
2019
- 2019-12-10 CN CN201911256126.4A patent/CN110932476A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000054990A (en) * | 1998-08-11 | 2000-02-22 | Japan Servo Co Ltd | Axial fan |
| CN102312865A (en) * | 2010-06-29 | 2012-01-11 | 日本电产株式会社 | Air Blast fan and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436532A (en) * | 2021-06-24 | 2021-09-24 | 武汉虹信技术服务有限责任公司 | 3D animation display device |
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Application publication date: 20200327 |