CN212649300U

CN212649300U - Air-cooled radiating motor

Info

Publication number: CN212649300U
Application number: CN202021792049.2U
Authority: CN
Inventors: 俞仁龙
Original assignee: Wuxi Hua Zhuang Motor Co ltd
Current assignee: Wuxi Hua Zhuang Motor Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-02
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to an air-cooled heat-radiating motor; the method is characterized in that: the cooling device comprises a shell, a stator device arranged in the shell in a surrounding mode, a rotor device arranged in the stator device in a rotating mode, a first impeller sucking first gas, a second impeller discharging the first gas, third blades sucking the second gas, a cooling device cooling the second gas and a cooling channel allowing the second gas to flow through; the first impeller and the second impeller are respectively arranged at two ends of the rotor device; the third vane is disposed about the second impeller; the cooling channel is arranged in the shell around the stator device; the cooling device is disposed on the housing at a position close to the cooling passage. The problem of the radiating effect of blade that current scheme caused relatively poor, lead to the overheated use etc. that influences the motor of motor is solved.

Description

Air-cooled radiating motor

Technical Field

The utility model relates to a motor, concretely relates to radiating motor of forced air cooling.

Background

Generally, an electric machine is a rotary electric machine that converts electrical energy into mechanical energy and that essentially comprises an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. Under the action of the rotating magnetic field of the stator winding, current passes through the aluminum frame and is driven by the magnetic field to rotate. Various losses generated when the motor operates are converted into heat, so that all parts of the motor generate heat, and the service life and the operation reliability of the motor are directly influenced by the temperature rise of the temperature rise, so that the design of a motor cooling system is very important, and the efficiency of the driving motor is directly influenced. How to solve the cooling problem of the motor becomes crucial.

In the existing scheme, the tail end of the rotor device is provided with the blades, when the rotor device rotates, the blades are driven to rotate, and heat in the motor is extracted by the blades. Such a solution has the following problems: (1) the heat dissipation effect of the blades is poor, so that the motor is overheated to influence the use of the motor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a radiating motor of forced air cooling to the radiating effect who solves among the prior art blade is relatively poor, leads to the overheated use scheduling problem that influences the motor of motor.

The utility model discloses the technical scheme who adopts as follows:

an air-cooled heat-dissipating motor;

the cooling device comprises a shell, a stator device arranged in the shell in a surrounding mode, a rotor device arranged in the stator device in a rotating mode, a first impeller sucking first gas, a second impeller discharging the first gas, third blades sucking the second gas, a cooling device cooling the second gas and a cooling channel allowing the second gas to flow through; the first impeller and the second impeller are respectively arranged at two ends of the rotor device; the third vane is disposed about the second impeller; the cooling channel is arranged in the shell around the stator device; the cooling device is disposed on the housing at a position close to the cooling passage.

The further technical scheme is as follows: the stator device comprises a first iron core, a first mounting groove formed in the first iron core and a first winding wound in the first mounting groove; the rotor device is rotationally arranged in the first iron core; the first winding is wound in the first mounting groove around the rotor device.

The further technical scheme is as follows: the rotor device comprises a rotating shaft rotatably arranged in the shell, a second iron core sleeved on the rotating shaft, a second mounting groove formed in the second iron core, and a second winding wound in the second mounting groove; the second winding is wound in the second mounting groove around the second iron core.

The further technical scheme is as follows: an air inlet is arranged around one end of the shell; the shell is provided with a first communication port for flowing in the second gas and a second communication port for flowing out the second gas; the first communication port is formed in the other end of the shell; the second communication port is formed in the position, far away from the first communication port, of the shell; the cooling channel is communicated with the first communication port and the second communication port respectively.

The further technical scheme is as follows: the first impeller comprises a first frame body sleeved at one end of the rotating shaft and first blades arranged around the first frame body; the first vanes extend in a curved line in the direction of the first gas flow.

The further technical scheme is as follows: the second impeller comprises a second frame body sleeved at the other end of the rotating shaft, a second blade arranged around the second frame body and a third frame body arranged around the second blade; the second blade extends in a curve towards the flow direction of the first gas; the second blade is disposed between the second frame body and the third frame body.

The further technical scheme is as follows: the third blade is arranged around the third frame body; the third blade extends in a curve towards the flow direction of the second gas; the third blade extends in a direction opposite to the direction in which the second blade extends.

The further technical scheme is as follows: the cooling device comprises a guide ring arranged around the shell, guide sheets arranged in the guide ring in parallel and a refrigerating sheet for cooling the second gas; the guide ring is arranged on the shell at a position close to the cooling channel; the guide piece is arranged in the guide ring along the flow direction of the second gas; the refrigeration piece is arranged around the guide ring.

The further technical scheme is as follows: a heat conducting fin is arranged in the cooling channel; the heat conducting fins are laid on one side of the cooling channel close to the stator device.

The utility model has the advantages as follows: the utility model discloses a radiating motor of forced air cooling adopts first impeller to inhale first gas, the first gas of second impeller discharge. And a third blade is adopted to suck the second gas, and the cooling device cools the second gas. The air-cooled radiating motor has the following effects: (1) first gas is blown into the air-cooled heat dissipation motor through the first impeller, the first gas in the air-cooled heat dissipation motor is discharged through the second impeller, and the first gas flows rapidly in the air-cooled heat dissipation motor, so that the rapid cooling of the air-cooled heat dissipation motor can be realized; (2) the cooling area of the second gas is increased through the guide pieces, and the cooling effect of the cooling device is improved; (3) the heat of the motor cooled and radiated by air is transferred into the cooling channel through the heat conducting fins; (4) the second gas discharges the heat in the cooling channel, and the cooling effect of the air-cooled heat-dissipating motor is improved by cooling the second gas through the cooling device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a housing; 11. an air inlet; 12. a first communication port; 13. a second communication port; 2. a stator arrangement; 21. a first iron core; 22. a first mounting groove; 23. a first winding; 3. a rotor arrangement; 31. a rotating shaft; 32. a second iron core; 33. a second mounting groove; 34. a second winding; 4. a first impeller; 41. a first frame body; 42. a first blade; 5. a second impeller; 51. a second frame body; 52. a second blade; 53. a third frame body; 6. a third blade; 7. a cooling device; 71. a guide ring; 72. a guide piece; 73. a refrigeration plate; 8. a cooling channel; 81. a heat conductive sheet.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention. As shown in the combined figure 1, the utility model discloses an air-cooled heat dissipation motor. The direction of X in the figure does the utility model discloses structure schematic's upper end, the direction of Y in the figure does the utility model discloses structure schematic's right-hand member. The air-cooled heat-dissipating motor comprises a shell 1, a stator device 2 arranged in the shell 1 in a surrounding mode, a rotor device 3 arranged in the stator device 2 in a rotating mode, a first impeller 4 sucking first gas, a second impeller 5 discharging the first gas, a third blade 6 sucking the second gas, a cooling device 7 cooling the second gas and a cooling channel 8 allowing the second gas to flow. A first impeller 4 and a second impeller 5 are arranged at each end of the rotor arrangement 3. The third vane 6 is arranged around the second impeller 5; cooling channels 8 open in the housing 1 around the stator arrangement 2. The cooling device 7 is arranged on the housing 1 close to the cooling channel 8.

The stator device 2 includes a first core 21, a first mounting groove 22 opened on the first core 21, and a first winding 23 wound in the first mounting groove 22. The rotor device 3 is rotatably provided in the first core 21. The first winding 23 is wound around the rotor unit 3 in the first mounting groove 22.

The housing 1 is disposed in the left-right direction. The first core 21 is disposed in the housing 1 in the left-right direction. The first mounting groove 22 is opened in the left-right direction on the inner surface of the first core 21. The first winding 23 is wound in the first mounting groove 22 in the left-right direction.

The rotor device 3 includes a rotating shaft 31 rotatably disposed in the housing 1, a second iron core 32 sleeved on the rotating shaft 31, a second mounting groove 33 formed in the second iron core 32, and a second winding 34 wound in the second mounting groove 33. The second winding 34 is wound around the second core 32 in the second mounting groove 33.

Preferably, the rotating shaft 31 has a cylindrical shape. The rotation shaft 31 is provided in the housing 1 in the left-right direction. The second core 32 is disposed on the outer surface of the rotation shaft 31 in the left-right direction. The second winding 34 is wound in the second mounting groove 33 in the left-right direction.

An air inlet 11 is opened around one end of the housing 1. The casing 1 is opened with a first communication port 12 through which the second gas flows and a second communication port 13 through which the second gas flows. The first communication port 12 is opened at the other end of the housing 1. The second communication port 13 is opened in the housing 1 at a position distant from the first communication port 12. The cooling passage 8 communicates with the first communication port 12 and the second communication port 13, respectively.

Preferably, the first communication port 12 is annular. The air inlet 11 is arranged at the left end of the outer surface of the shell 1 in parallel. The first communication port 12 is opened at the right end of the housing 1. The second communication port 13 is opened at the left end of the outer surface of the housing 1. The second communication port 13 is located on the right side of the intake port 11. The right end of the cooling passage 8 communicates with the first communication port 12. The left end of the cooling passage 8 communicates with the second communication port 13.

The first impeller 4 includes a first frame 41 fitted around one end of the rotating shaft 31 and a first blade 42 disposed around the first frame 41. The first vanes 42 extend in a curved line in the first gas flow direction.

The first impeller 4 is arranged at the left end of the rotor arrangement 3. The first frame body 41 is disposed at the left side of the outer surface of the rotation shaft 31. The first vane 42 is disposed around the outer surface of the first frame 41.

The second impeller 5 includes a second frame body 51 sleeved on the other end of the rotating shaft 31, a second blade 52 disposed around the second frame body 51, and a third frame body 53 disposed around the second blade 52. The second vanes 52 extend in a curved line in the direction of the flow of the first gas. The second blade 52 is disposed between the second frame body 51 and the third frame body 53.

The second impeller 5 is provided at the right end of the rotor device 3. The second frame body 51 is disposed at the right side of the outer surface of the rotation shaft 31. The second vane 52 is disposed around the outer surface of the second frame body 51. The inner end of the second vane 52 is connected to the outer surface of the second frame body 51. The outer end of the second blade 52 is coupled to the inner surface of the third frame body 53.

When the air-cooled heat-radiating motor works, the rotor device 3 rotates along the stator device 2. The rotation of the rotating shaft 31 drives the first impeller 4 to rotate, the first gas enters the left end in the housing 1 through the gas inlet 11, and the first gas enters between the rotor device 3 and the stator device 2. The first gas flows along the inside of the housing 1 from left to right. The rotation of the shaft 31 rotates the second impeller 5, the second impeller 5 draws the first gas between the rotor device 3 and the stator device 2, and the first gas is discharged through the second impeller 5.

First gas is blown into the air-cooled heat dissipation motor through the first impeller 4, the first gas in the air-cooled heat dissipation motor is discharged through the second impeller 5, the first gas flows fast in the air-cooled heat dissipation motor, and the fast cooling of the air-cooled heat dissipation motor can be achieved.

The third blade 6 is disposed around the third frame body 53. The third vane 6 extends in a curved line in the direction of flow of the second gas. The third blade 6 extends in the opposite direction to the second blade 52.

The third blade 6 is disposed around the outer surface of the third frame body 53. The inner end of the third blade 6 is connected with the outer surface of the third frame body 53.

The cooling device 7 includes a guide ring 71 disposed around the housing 1, guide fins 72 disposed side by side in the guide ring 71, and cooling fins 73 that cool the second gas. The guide ring 71 is provided on the housing 1 at a position close to the cooling passage 8. The guide vanes 72 are provided in the guide ring 71 in the flow direction of the second gas. The cooling fins 73 are disposed around the guide ring 71.

The cooling means 7 is located between the housing 1 and the third vane 6. The guide ring 71 is provided at the right end of the housing 1. The left end of the guide ring 71 is connected to the right end of the housing 1. The guide piece 72 is provided on the inner surface of the guide ring 71 in the left-right direction. The cooling fins 73 are provided on the outer surface of the guide ring 71. The cooling area of the second gas is increased by the guide fins 72, and the cooling effect of the cooling device 7 is improved.

The selection of the type of cooling fins 73 is common knowledge. The person skilled in the art can choose the type of the cooling plate TEC1-12703 according to the working condition of the device.

A heat conductive fin 81 for conducting heat is provided in the cooling passage 8. The heat-conducting fins 81 are laid on the side of the cooling passage 8 close to the stator device 2.

Preferably, the thermally conductive sheet 81 is a graphene sheet. The surface of the heat conductive sheet 81 is bonded to the inner surface of the cooling passage 8. The heat of the motor cooled and dissipated by air is transferred to the cooling passage 8 through the heat conductive sheet 81 by the heat conductive sheet 81.

When the air-cooled heat-radiating motor works, the rotor device 3 rotates along the stator device 2. The rotation of the rotating shaft 31 drives the third blade 6 to rotate, and the third blade 6 drives the second gas to flow from right to left. The second gas flows through the cooling device 7, and the second gas is cooled by the cooling device 7. The second gas flows into the cooling passage 8 through the first communication port 12, flows from right to left along the inside of the cooling passage 8, and is discharged through the second communication port 13. The second gas rejects the heat in the cooling channel 8. The cooling effect of the air-cooled and heat-dissipated motor is improved by cooling the second gas through the cooling device 7.

In the present embodiment, the thermally conductive sheet 81 is described as a graphene sheet, but the thermally conductive sheet is not limited thereto, and may be another thermally conductive sheet within a range capable of functioning.

In the present specification, terms such as "cylindrical" and "annular" are used, and they are not exactly "cylindrical" and "annular", and may be in a state of "substantially cylindrical" and "substantially annular" within a range capable of performing the functions thereof.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. The utility model provides a radiating motor of forced air cooling which characterized in that: the device comprises a shell (1), a stator device (2) arranged in the shell (1) in a surrounding mode, a rotor device (3) arranged in the stator device (2) in a rotating mode, a first impeller (4) sucking first gas, a second impeller (5) discharging the first gas, third blades (6) sucking second gas, a cooling device (7) cooling the second gas and a cooling channel (8) allowing the second gas to flow through; the first impeller (4) and the second impeller (5) are respectively arranged at two ends of the rotor device (3); the third blade (6) is arranged around the second impeller (5); the cooling channel (8) opens in the housing (1) around the stator arrangement (2); the cooling device (7) is arranged on the housing (1) close to the cooling channel (8).

2. The air-cooled heat dissipating motor of claim 1, wherein: the stator device (2) comprises a first iron core (21), a first mounting groove (22) formed in the first iron core (21) and a first winding (23) wound in the first mounting groove (22); the rotor device (3) is rotatably arranged in the first iron core (21); the first winding (23) is wound around the rotor device (3) in the first mounting groove (22).

3. The air-cooled heat dissipating motor of claim 1, wherein: the rotor device (3) comprises a rotating shaft (31) rotatably arranged in the shell (1), a second iron core (32) sleeved on the rotating shaft (31), a second mounting groove (33) formed in the second iron core (32) and a second winding (34) wound in the second mounting groove (33); the second winding (34) is wound in the second mounting groove (33) around the second iron core (32).

4. The air-cooled heat dissipating motor of claim 1, wherein: an air inlet (11) is arranged around one end of the shell (1); a first communication port (12) for flowing in the second gas and a second communication port (13) for flowing out the second gas are formed in the shell (1); the first communication port (12) is formed in the other end of the shell (1); the second communication port (13) is formed in the position, far away from the first communication port (12), of the shell (1); the cooling channel (8) is communicated with the first communication port (12) and the second communication port (13) respectively.

5. The air-cooled heat dissipating motor of claim 3, wherein: the first impeller (4) comprises a first frame body (41) sleeved at one end of the rotating shaft (31) and first blades (42) arranged around the first frame body (41); the first vane (42) extends in a curved line in the first gas flow direction.

6. The air-cooled heat dissipating motor of claim 5, wherein: the second impeller (5) comprises a second frame body (51) sleeved at the other end of the rotating shaft (31), a second blade (52) arranged around the second frame body (51) and a third frame body (53) arranged around the second blade (52); the second vane (52) extends in a curved line in the direction of the flow of the first gas; the second blade (52) is disposed between the second frame (51) and the third frame (53).

7. The air-cooled heat dissipating motor of claim 6, wherein: the third blade (6) is arranged around the third frame body (53); the third blade (6) extends in a curved line towards the second gas flow direction; the third blade (6) extends in the direction opposite to the direction in which the second blade (52) extends.

8. The air-cooled heat dissipating motor of claim 1, wherein: the cooling device (7) comprises a guide ring (71) arranged around the shell (1), guide sheets (72) arranged in the guide ring (71) in parallel and refrigerating sheets (73) for cooling the second gas; the guide ring (71) is arranged on the shell (1) at a position close to the cooling channel (8); the guide piece (72) is arranged in the guide ring (71) along the flow direction of the second gas; the refrigeration sheet (73) is arranged around the guide ring (71).

9. The air-cooled heat dissipating motor of claim 1, wherein: a heat conducting fin (81) is arranged in the cooling channel (8); the heat conducting fins (81) are laid on the side of the cooling channel (8) close to the stator device (2).