CN210669720U - Cooling structure motor with rotor cooling fins - Google Patents
Cooling structure motor with rotor cooling fins Download PDFInfo
- Publication number
- CN210669720U CN210669720U CN201920878476.3U CN201920878476U CN210669720U CN 210669720 U CN210669720 U CN 210669720U CN 201920878476 U CN201920878476 U CN 201920878476U CN 210669720 U CN210669720 U CN 210669720U
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- Prior art keywords
- cooling
- rotor
- channel
- shell
- spiral channel
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Abstract
The utility model relates to a cooling structure motor with rotor cooling fins, which comprises an outer shell, wherein the outer shell is of a through structure, and two ends of the outer shell are respectively provided with a fixed seat and a dustproof ring; the fixed seat is provided with a cooling liquid inlet channel and a cooling liquid outlet channel; an inner shell is arranged in the outer shell, a stator is arranged in an inner cavity of the shell of the inner shell, a rotor is rotationally arranged in the stator, and rotor cooling fins are arranged on the rotor; the inner shell is provided with a spiral channel, the spiral channel is arranged in the inner shell, and the spiral channel and the inner shell are arranged concentrically; two ends of the spiral channel are respectively communicated with the cooling liquid inlet channel and the cooling liquid outlet channel; the beneficial effects are that: the arrangement of two layers of spiral channels has better cooling effect; cold water flows through the outer layer spiral channel for preheating and then enters the inner layer spiral channel, so that sudden cooling of the inner layer assembly is avoided, and the risk that the inner assembly is prone to expansion, contraction and deformation in a hot environment due to sudden cooling is reduced.
Description
Technical Field
The utility model belongs to the electrical equipment field especially relates to a cooling structure motor with rotor fin.
Background
Motors used in high temperature environments such as, but not limited to, heat treatment equipment in steel plants, dust removal equipment, and quenching furnace ventilation, underground parking garages, subways, tunnels, and roadways are generally required to have good high temperature resistance characteristics.
As known in the art, the cooling effect of the motor determines the temperature rise of the motor, and the magnitude of the temperature rise determines the service life and the rated power of the motor, so that the improvement of the cooling effect of the motor has a very important positive significance.
There are two main types of ways to cool the motor, one is air cooling; and the second step is liquid cooling. The air-cooled cooling medium comprises air and hydrogen with the thermal conductivity coefficient 8.4 times that of the air, and the liquid-cooled cooling medium comprises water, oil and a refrigerant.
Some existing liquid cooling devices are only provided with a liquid channel simply, and heat is taken away through heat exchange of liquid; the effect is poor;
SUMMERY OF THE UTILITY MODEL
[ problem ] to
The utility model provides a cooling structure motor with rotor cooling fin has mainly solved the poor scheduling problem of prior art cooling effect.
[ solution ]
In order to solve the problem, the utility model adopts the following technical scheme:
a motor with a cooling structure of rotor cooling fins comprises an outer shell, wherein the outer shell is of a through structure,
the two ends of the outer shell are respectively provided with a fixed seat and a dustproof ring;
the fixed seat is provided with a cooling liquid inlet channel and a cooling liquid outlet channel;
an inner shell is arranged in the outer shell, a stator and a rotor support are arranged in an inner cavity of the shell of the inner shell, a rotor is rotationally arranged in the stator, and rotor cooling fins are arranged on the rotor;
the inner shell is provided with a spiral channel, the spiral channel is arranged in the inner shell, and the spiral channel and the inner shell are arranged concentrically;
and two ends of the spiral channel are respectively communicated with the cooling liquid inlet channel and the cooling liquid outlet channel.
Preferably, the spiral channel is provided with two layers, and the two layers of spiral channels are concentrically arranged.
Preferably, the spiral channel of the inner layer is communicated with the right end of the spiral channel of the outer layer.
Preferably, the spiral channel on the outer layer is connected to the cooling liquid inlet channel, and the spiral channel on the inner layer is connected to the cooling liquid outlet channel.
Preferably, the rotor is provided to the main shaft.
Preferably, the outer shell and the inner shell are detachably connected.
[ advantageous effects ]
The utility model has the advantages that:
1. the arrangement of two layers of spiral channels has better cooling effect;
2. cold water flows through the outer layer spiral channel for preheating and then enters the inner layer spiral channel, so that sudden cooling of the inner layer assembly is avoided, and the risk that the inner assembly is prone to expansion, contraction and deformation in a hot environment due to sudden cooling is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation positions of the dust ring and the rotor cooling fins;
FIG. 3 is a schematic view of a dust ring;
fig. 4 is a schematic structural diagram of a rotor cooling fin.
In the figure:
100 dust rings, 200 fixing seats, 201 cooling liquid inlet channels, 202 cooling liquid outlet channels, 300 outer shells, 400 inner shells, 401 stators, 402 rotors, 403 rotor cooling fins and 410 shell inner cavities.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, an electric machine having a cooling structure includes an outer case 300, the outer case 300 having a through structure,
the two ends of the outer shell 300 are respectively provided with a fixed seat 200 and a dust ring 100;
the fixed seat 200 is provided with a cooling liquid inlet channel 201 and a cooling liquid outlet channel 202;
an inner shell 400 is arranged in the outer shell 300, a stator 401 is arranged in a shell inner cavity 410 of the inner shell 400, a rotor 402 is rotationally arranged in the stator 401, and rotor cooling fins 403 are arranged on the rotor;
the specific structures of the stator 401 and the rotor 402 are well known in the art, and will not be described herein.
The inner shell 400 is provided with a spiral channel, the spiral channel is arranged in the inner shell 400, and the spiral channel and the inner shell 400 are arranged concentrically;
the inner diameter of the spiral passage is smaller than the thickness of the inner case 400 so that the spiral passage can be completely disposed in the inner case 400;
the spiral channel is similar to a spring in shape, surrounds the periphery of the stator 401, and exchanges heat with the medium in the shell inner cavity 410 through the medium in the spiral channel, so that heat in the shell inner cavity 410 is taken out through the spiral channel;
two ends of the spiral channel are respectively communicated with the cooling liquid inlet channel 201 and the cooling liquid outlet channel 202;
the spiral channel is provided with two layers, and the two layers of spiral channels are concentrically arranged.
The right ends of the inner layer spiral channel and the outer layer spiral channel are communicated;
the outer layer of the spiral channel is connected to the cooling liquid inlet channel 201, and the inner layer of the spiral channel is connected to the cooling liquid outlet channel 202.
One mode of operation is: through pouring into coolant into in the 201 case helical coiled passage of cooling inlet channel, coolant has gone into outer helical coiled passage earlier and has absorbed partly heat, and its self temperature risees, then gets into inlayer helical coiled passage, and coolant reduces for casing inner chamber 410 difference in temperature this moment to certain extent can avoid casing inner chamber 410 to meet cold suddenly when the high temperature, causes the cold and hot alternation of subassembly in the short time, takes place deformation.
The locked rotor 402 is disposed on the main shaft, and the right end of the main shaft passes through the shaft hole 20.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.
Claims (6)
1. A cooling structure motor with rotor cooling fins comprises an outer shell (300), wherein the outer shell (300) is of a through structure, and is characterized in that;
two ends of the outer shell (300) are respectively provided with a fixed seat (200) and a dust ring (100);
the fixed seat (200) is provided with a cooling liquid inlet channel (201) and a cooling liquid outlet channel (202);
an inner shell (400) is arranged in the outer shell (300), a stator (401) is arranged in a shell inner cavity (410) of the inner shell (400), a rotor (402) is rotationally arranged in the stator (401), and rotor cooling fins (403) are arranged on the rotor (402);
the inner shell (400) is provided with a spiral channel, the spiral channel is arranged in the inner shell (400), and the spiral channel and the inner shell (400) are arranged concentrically;
and two ends of the spiral channel are respectively communicated with the cooling liquid inlet channel (201) and the cooling liquid outlet channel (202).
2. A cooling structure motor having rotor fins according to claim 1, wherein: the spiral channel is provided with two layers, and the two layers of spiral channels are concentrically arranged.
3. A cooling structure motor having rotor fins according to claim 1, wherein: the inner layer spiral channel is communicated with the right end of the outer layer spiral channel.
4. A cooling structure motor having rotor fins according to claim 3, wherein:
the spiral channel on the outer layer is connected with a cooling liquid inlet channel (201), and the spiral channel on the inner layer is connected with a cooling liquid outlet channel (202).
5. A cooling structure motor having rotor fins according to claim 1, wherein: the rotor (402) is arranged on the main shaft.
6. A cooling structure motor having rotor fins according to claim 1, wherein: the outer shell (300) and the inner shell (400) are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878476.3U CN210669720U (en) | 2019-06-12 | 2019-06-12 | Cooling structure motor with rotor cooling fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878476.3U CN210669720U (en) | 2019-06-12 | 2019-06-12 | Cooling structure motor with rotor cooling fins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669720U true CN210669720U (en) | 2020-06-02 |
Family
ID=70819090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878476.3U Expired - Fee Related CN210669720U (en) | 2019-06-12 | 2019-06-12 | Cooling structure motor with rotor cooling fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669720U (en) |
-
2019
- 2019-06-12 CN CN201920878476.3U patent/CN210669720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |