CN220358934U - Liquid cooling structure motor casing - Google Patents
Liquid cooling structure motor casing Download PDFInfo
- Publication number
- CN220358934U CN220358934U CN202321949983.4U CN202321949983U CN220358934U CN 220358934 U CN220358934 U CN 220358934U CN 202321949983 U CN202321949983 U CN 202321949983U CN 220358934 U CN220358934 U CN 220358934U
- Authority
- CN
- China
- Prior art keywords
- inner shell
- liquid
- motor casing
- partition plate
- flow guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 239000007788 liquid Substances 0.000 title claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a liquid cooling structure motor casing, and belongs to the field of motor casing manufacturing; the utility model comprises the following steps: an inner shell and an outer shell; the inner shell is of a cylindrical structure, and a motor stator is arranged in the inner shell; the outer sleeve is sleeved on the outer side of the inner shell so as to form a closed cooling cavity between the outer sleeve and the inner shell; a sealing partition plate is arranged in the cooling cavity, and the upper end and the lower end of the sealing partition plate are respectively connected with the outer sleeve and the outer side of the inner shell; the outer sleeve is provided with a liquid inlet and a liquid outlet; the liquid inlet and the liquid outlet are communicated with the cooling cavity and are respectively positioned at two sides of the sealing partition plate. According to the utility model, the cooling cavity is arranged at the outer side of the motor casing, and the circulating cooling liquid is adopted to continuously cool the motor casing, so that the high-power piezoelectric motor can be ensured not to excessively heat in a working state, and the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to a manufacturing technology of heat exchange equipment, in particular to a liquid cooling structure motor casing, and belongs to the technical field of motor casing manufacturing.
Background
In the running process of the low-voltage high-power permanent magnet motor, the temperature of the motor winding and the temperature of the magnetic steel can be greatly increased due to larger current, and the demagnetization of the magnetic steel can be caused by long-term high temperature, so that the service life of the low-voltage high-power permanent magnet motor is greatly reduced. The power range of the domestic permanent magnet motor is mainly concentrated below 200KW (380V), and after 200-355KW power motor windings and magnetic steel run at high temperature for a long time, the demagnetizing fault reaches about 95% after one year.
Therefore, a motor casing capable of meeting the operation requirements under severe working conditions and improving the operation stability, safety and reliability of the high-power permanent magnet motor with voltage is needed.
Disclosure of Invention
The utility model provides a novel liquid cooling structure motor casing, which can continuously cool the motor casing by arranging a cooling cavity at the outer side of the motor casing so as to solve the technical problem of lower service life of a high-power motor in the prior art.
The liquid cooling structure motor casing of the embodiment of the utility model comprises: an inner shell and an outer shell; the inner shell is of a cylindrical structure, and a motor stator is arranged in the inner shell; the outer sleeve is sleeved on the outer side of the inner shell so as to form a closed cooling cavity between the outer sleeve and the inner shell;
a sealing partition plate is arranged in the cooling cavity, and the upper end and the lower end of the sealing partition plate are respectively connected with the outer sleeve and the outer side of the inner shell; the outer sleeve is provided with a liquid inlet and a liquid outlet; the liquid inlet and the liquid outlet are communicated with the cooling cavity and are respectively positioned at two sides of the sealing partition plate.
The liquid cooling structure motor shell is characterized in that a plurality of flow guide clapboards are arranged in the cooling cavity; each flow guide baffle is vertically fixed on the outer side of the inner shell, and a plurality of flow guide holes are formed in each flow guide baffle.
The liquid cooling structure motor casing is characterized in that a plurality of guide baffles are parallel to each other and are uniformly distributed on the outer side of the inner casing.
The liquid cooling structure motor casing is characterized in that the flow guide holes are inclined with the section of the flow guide partition plate where the flow guide holes are located.
The liquid cooling structure motor casing is characterized in that the liquid inlet and the liquid outlet are respectively positioned at the upper end and the lower end of the outer sleeve, and are both close to the sealing partition plate.
The liquid cooling structure motor shell is characterized in that a rotatable rotor is arranged in the inner shell, and the rotor is provided with a rotating shaft; the rotating shaft extends out of one side of the inner shell.
The liquid cooling structure motor casing as described above, wherein, the outside of overcoat is provided with the fixing base, is provided with the bolt hole on this fixing base.
The liquid cooling structure motor shell is characterized in that sealing end covers are arranged at two ends of the cooling cavity; the sealing end cover is fixed on the inner shell and is provided with a bolt; the sealing end cover is connected with the outer sleeve through the bolt.
In the embodiment of the utility model, the cooling cavity is arranged at the outer side of the motor casing, and the circulating cooling liquid is adopted to continuously cool the motor casing, so that the high-power piezoelectric motor can be ensured not to excessively heat in a working state, and the service life of the motor is prolonged.
Drawings
FIG. 1 is a schematic diagram of a motor casing with a liquid cooling structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of the structure at A-A in FIG. 1;
FIG. 3 is a cross-sectional view of the structure at B-B in FIG. 1;
FIG. 4 is a cross-sectional view of the structure of FIG. 3 at C-C.
Detailed Description
The liquid cooling structure motor casing can be made of the following materials and components, and is not limited to the following materials and components, for example: an aluminum shell, a cast iron shell, a baffle plate, a liquid inlet pipe, a liquid outlet pipe, a guide plate and the like.
FIG. 1 is a schematic diagram of a motor casing with a liquid cooling structure according to an embodiment of the present utility model; fig. 2 to 4 are combined.
The liquid cooling structure motor casing of this embodiment mainly uses on the motor casing, perhaps uses as the part of motor casing.
The embodiment comprises the following steps: an inner shell 1 and an outer shell 2; the inner shell 1 is of a cylindrical structure, and a motor stator is arranged in the inner shell; the outer sleeve 2 is sleeved outside the inner shell 1, so that a closed cooling cavity 20 is formed between the outer sleeve 2 and the inner shell 1; typically, the inner shell 1 and the outer shell 2 are both cylindrical in structure and have the same axis.
As shown in fig. 2, a sealing partition plate 21 is disposed in the cooling chamber 20, and the upper and lower ends of the sealing partition plate 21 are respectively connected to the outer casing 2 and the outer side of the inner casing 1; the sealing partition 21 divides the entire cooling chamber into a chamber having a C-shaped cross section.
The jacket 2 is provided with a liquid inlet 11 and a liquid outlet 12; the liquid inlet 11 and the liquid outlet 12 are both communicated with the cooling cavity 20 and are respectively positioned at two sides of the sealing partition plate 21.
As shown in fig. 2, the liquid inlet 11 and the liquid outlet 12 are respectively positioned at two ends of the cooling cavity 1 with the cross section of a C shape.
In the actual use process, the cooling cavity 20 is filled with cooling liquid, generally glycol solution or aqueous solution, and is used as a cooling agent; the liquid inlet 11 and the liquid outlet 11 are connected with an external circulation pipeline, continuously input low-temperature cooling liquid and discharge high-temperature cooling liquid.
In the embodiment of the utility model, the cooling cavity is arranged at the outer side of the motor casing, and the circulating cooling liquid is adopted to continuously cool the motor casing, so that the high-power piezoelectric motor can be ensured not to excessively heat in a working state, and the service life of the motor is prolonged.
In the motor casing with the liquid cooling structure in this embodiment, a plurality of baffle plates 3 are disposed in the cooling cavity 20; each baffle plate 3 is vertically fixed on the outer side of the inner shell 1, and a plurality of guide holes 30 are formed in each baffle plate 3.
The baffle 3 can cut apart whole cooling chamber 20 into a plurality of parts, and the baffle 3 also adopts the metal material, generally with 1 whole manufacturing of inner shell, the baffle can also strengthen motor housing's heat conduction effect to make cooling system cooling effect better effect on the motor casing, and then avoid the magnet steel excessive temperature rise.
The deflector holes 30 serve to pass the cooling liquid while enhancing the contact area with the cooling liquid.
Further, the plurality of flow guide baffles 3 are parallel to each other and are uniformly arranged on the outer side of the inner shell 1. A plurality of said baffle plates 3 and sealing baffle plates 21 are also parallel to each other.
As shown in fig. 4, the diversion holes 30 are inclined with respect to the cross section of the diversion baffle 3 where they are located. And the inclination directions of the diversion holes 30 on the two adjacent diversion baffles 3 are different. In this way, when the cooling liquid sequentially flows through different flow guide baffles 3, the direction of the cooling liquid can be continuously changed, so that the dead angle of the cooling cavity 20 is avoided, and the effect of the cooling system is fully exerted.
In this embodiment, the liquid inlet 11 and the liquid outlet 12 are respectively located at the upper and lower ends of the outer sleeve 2, and are both close to the sealing partition 21. This can extend the shortest stroke of the coolant to the maximum, thereby enhancing the heat exchange time.
In the motor casing with the liquid cooling structure of the embodiment, as shown in fig. 3, a rotatable rotor 10 is installed in the inner casing 1, and a rotating shaft 15 is provided on the rotor 10; the rotation shaft 15 extends out of one side of the inner housing 1.
Typically, a fixing seat 22 is disposed on the outer side of the outer sleeve 2, and a bolt hole is disposed on the fixing seat 22. The fixing base 22 is used for mounting and fixing the whole motor.
In the motor casing with the liquid cooling structure in this embodiment, sealing end covers are disposed at two ends of the cooling cavity 20; the sealing end covers are a left sealing cover 31 and a right sealing cover 32 respectively. The sealing end cover is fixed on the inner shell 1 and is provided with a bolt; the left sealing cover 31 and the right sealing cover 32 are connected with the outer sleeve through the bolts.
The left sealing cover 31 and the right sealing cover 32 can be arranged independently or integrated on the end cover of the motor.
The left seal cover 31 and the right seal cover 32 can be removed to clean and maintain the cooling chamber 20, thereby enhancing maintainability.
The liquid cooling structure motor casing has the advantages that:
1. the motor shell is convenient to maintain and safe in use;
2. the working intensity of personnel is reduced, and frequent maintenance and replacement are not required;
3. the working efficiency of the motor is improved; the power factor and the efficiency factor of the motor are high;
4. the temperature of the motor winding and the magnetic steel is raised and lowered, and the service life is prolonged greatly.
In addition, the liquid cooling structure motor shell has low manufacturing cost, exquisite layout, compact structural design, stable quality of finished products and convenient maintenance and overhaul, and is suitable for various modified motor shells.
The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. From the description of the above embodiments, it will be apparent to those skilled in the art that the above example methods may be implemented by means of a superposition of some variants plus the necessary general techniques; of course, the method can also be realized by simplifying some important technical features. Based on such understanding, the technical solution of the present utility model essentially or partly contributes to the prior art is: the whole structure and the connection mode are matched with the structures described in the various embodiments of the utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The utility model provides a liquid cooling structure motor casing which characterized in that includes: an inner shell and an outer shell; the inner shell is of a cylindrical structure, and a motor stator is arranged in the inner shell; the outer sleeve is sleeved on the outer side of the inner shell so as to form a closed cooling cavity between the outer sleeve and the inner shell;
a sealing partition plate is arranged in the cooling cavity, and the upper end and the lower end of the sealing partition plate are respectively connected with the outer sleeve and the outer side of the inner shell; the outer sleeve is provided with a liquid inlet and a liquid outlet; the liquid inlet and the liquid outlet are communicated with the cooling cavity and are respectively positioned at two sides of the sealing partition plate.
2. The liquid cooling structure motor casing according to claim 1, wherein a plurality of flow guide baffles are arranged in the cooling cavity; each flow guide baffle is vertically fixed on the outer side of the inner shell, and a plurality of flow guide holes are formed in each flow guide baffle.
3. The liquid cooling structure motor casing according to claim 2, wherein the plurality of baffle plates are parallel to each other and are uniformly arranged on the outer side of the inner casing.
4. A liquid cooling structure motor casing according to claim 3, wherein the flow guide hole is inclined with respect to the cross section of the flow guide partition plate in which the flow guide hole is located.
5. The motor casing of any one of claims 1-4, wherein the liquid inlet and the liquid outlet are respectively located at the upper and lower ends of the outer casing and are both disposed close to the sealing partition plate.
6. A liquid cooled construction motor housing according to any one of claims 1-3, wherein a rotatable rotor having a shaft is mounted within said inner housing; the rotating shaft extends out of one side of the inner shell.
7. A liquid cooling structure motor casing according to any one of claims 1 to 3, wherein a fixing base is provided on the outer side of the jacket, and a bolt hole is provided on the fixing base.
8. A liquid cooling structure motor casing according to any one of claims 1-3, wherein both ends of the cooling chamber are provided with seal end caps; the sealing end cover is fixed on the inner shell and is provided with a bolt; the sealing end cover is connected with the outer sleeve through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949983.4U CN220358934U (en) | 2023-07-24 | 2023-07-24 | Liquid cooling structure motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949983.4U CN220358934U (en) | 2023-07-24 | 2023-07-24 | Liquid cooling structure motor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358934U true CN220358934U (en) | 2024-01-16 |
Family
ID=89500504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321949983.4U Active CN220358934U (en) | 2023-07-24 | 2023-07-24 | Liquid cooling structure motor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358934U (en) |
-
2023
- 2023-07-24 CN CN202321949983.4U patent/CN220358934U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |