CN113991927B - Casing structure of motor - Google Patents
Casing structure of motor Download PDFInfo
- Publication number
- CN113991927B CN113991927B CN202111507846.0A CN202111507846A CN113991927B CN 113991927 B CN113991927 B CN 113991927B CN 202111507846 A CN202111507846 A CN 202111507846A CN 113991927 B CN113991927 B CN 113991927B
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- Prior art keywords
- side plate
- cooling
- outer side
- motor
- pieces
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- 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
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a shell structure of a motor, which comprises a shell, wherein a stator and a rotor are arranged in the shell, end covers connected with the rotor are arranged at two ends of the shell, the shell comprises a support assembly, a plurality of hollow cooling pieces are arranged on the support assembly, the cooling pieces are uniformly distributed around the support assembly to form a cylindrical structure with openings at two ends, cooling liquid which flows in a circulating mode is arranged in the cooling pieces, and a protective layer covers one side of each cooling piece, which is far away from the stator. The shell is formed by combining the support component and the cooling part, the cooling part is internally introduced with circularly flowing cooling liquid, the heat dissipation effect of the motor is improved through liquid cooling, and the failure rate of the motor is reduced; each cooling piece can be independently disassembled, so that the convenience of motor maintenance is improved, and the maintenance cost is reduced; the protective layer is arranged on the cooling part, so that the shock absorption can be buffered, the effect of protecting the cooling part is achieved, and the service life of the cooling part is prolonged.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a motor shell structure of a motor.
Background
The motor is an electromagnetic device which realizes electric energy conversion or transmission according to an electromagnetic induction law and is widely used in industrial production and life.
At present, the all supporting production of current motor housing and motor uses and has very big limitation, and to the heat dissipation of motor, also only through installing the heating panel additional, siphons away the heat of motor and discharges, nevertheless because air flow rate around the heating panel is usually slower, leads to the heat that the heating panel siphoned away can't in time be discharged, and the radiating effect is also very unsatisfactory, consequently, need to design a motor housing to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to provide a shell structure of a motor, which aims to solve the technical problem that the existing motor is poor in heat dissipation performance.
In order to achieve the purpose, the specific technical scheme of the shell structure of the motor is as follows:
the utility model provides a casing structure of motor, includes the casing, inside stator and the rotor of being provided with of casing, the casing both ends all be provided with the end cover that the rotor is connected, the casing includes the bracket component, be provided with a plurality of cavity cooling elements on the bracket component, each the cooling element encircles bracket component evenly distributed forms both ends open-ended cylindric structure, be provided with the coolant liquid of circulation flow in the cooling element, the cooling element deviates from one side of stator covers there is the protective layer.
Preferably, in order to prolong the flowing distance of the cooling liquid and improve the cooling effect on the motor, one end of each of the two adjacent cooling pieces is communicated through a water pipe, so that the cooling pieces are sequentially connected in series, and a water inlet and a water outlet are respectively formed in each of the two adjacent cooling pieces.
Preferably, in order to facilitate the disassembly and assembly of each cooling element and the maintenance of the motor, the bracket assembly comprises two connecting rings which are coaxially arranged, a plurality of strips are axially arranged between the two connecting rings, each strip surrounds the central axis of the connecting ring and is uniformly distributed, the adjacent two strips and the two connecting rings form a frame in a surrounding manner, the number of the cooling elements is equal to that of the frame, the cooling elements are arranged in the frame, and the cooling elements are arranged in the frame.
Preferably, in order to improve the stability of the installation of the cooling element, a support part is arranged inside the frame.
Preferably, to facilitate the removal of the cooling element, the cooling element is fixed in the frame by means of an annular clamp.
Preferably, for the dismouting of the clamp of convenience, the clamp includes two arc connecting portion, two the tip of connecting portion passes through the bolt fastening, the inboard distribution of connecting portion has the connecting block, the quantity of connecting block with equal and the one-to-one of quantity of cooling part, the connecting block with the cooling part butt, the outside bottom of connecting portion still is provided with the mount pad.
Preferably, in order to expand the flowing range of cooling liquid in the cooling part, the cooling part comprises an inner side plate and an outer side plate which are parallel and opposite to each other, a plurality of fixing pieces are distributed between the inner side plate and the outer side plate, the inner side plate and the outer side plate are fixed to each other through the fixing pieces, the edge of the inner side plate is hermetically connected with the edge of the outer side plate, a hollow cavity is formed between the inner side plate and the outer side plate, water injection ports are formed in two ends, adjacent to the end cover, of the outer side plate, and the protective layer is arranged on the outer side plate.
Preferably, in order to enlarge the heat absorption area of the outer side plate and the inner side plate, the outer side plate and the inner side plate are both corrugated, the corrugated wave troughs of the outer side plate are fixed with the corrugated wave troughs of the inner side plate through fixing pieces, and the corrugated wave crests of the outer side plate are fixed with the corrugated wave crests of the inner side plate through fixing pieces.
Preferably, in order to improve the sealing performance of the whole motor, the edge of the outer side plate and the edge of the inner side plate are connected through a flexible sealing strip.
Preferably, for the life of extension motor, the protective layer includes the buffer layer of being made by porous material, the buffer layer with the outer panel is closely butt, the buffer layer with it is fixed through glue between the outer panel, the buffer layer deviates from one side of outer panel is provided with stereoplasm parcel layer.
The shell structure of the motor has the following advantages:
1. the shell is formed by combining a support component and a cooling part, circulating cooling liquid is introduced into the cooling part, the heat dissipation effect of the motor is improved through liquid cooling, and the failure rate of the motor is reduced;
2. each cooling piece can be independently disassembled, so that the convenience of motor maintenance is improved, and the maintenance cost is reduced;
3. the cooling piece is provided with the protective layer, so that the shock absorption can be buffered, the effect of protecting the cooling piece is achieved, and the service life of the cooling piece is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a housing structure of a motor according to the present invention;
fig. 2 is a sectional view of the motor of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a bracket assembly of the motor of the present invention;
fig. 5 is a schematic view illustrating a connection structure between a bracket assembly and a stator of the motor according to the present invention;
fig. 6 is a schematic view of the structure of a cooling member of the motor of the present invention;
the notation in the figure is: 1. a water pipe; 2. clamping a hoop; 3. a protective layer; 4. connecting blocks; 5. a connecting ring; 6. an end cap; 7. a water inlet; 8. a water outlet; 9. laths; 10. a mounting base; 11. a stator; 12. a rotor; 13. a cooling member; 14. a support portion; 31. a buffer layer; 32. a wrapping layer; 131. a fixing member; 132. an outer panel; 133. an inner side plate; 134. a sealing strip; 135. a water injection port.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following describes the housing structure of an electric machine in detail with reference to the accompanying drawings.
As shown in fig. 1-5, a casing structure of an electric motor comprises two connecting rings 5 coaxially arranged, a plurality of strips 9 are arranged between the two connecting rings 5 along the axial direction thereof, each strip 9 is uniformly distributed around the central axis of the connecting ring 5, two adjacent strips 9 and two connecting rings 5 enclose to form a frame, a support portion 14 is arranged inside the frame, the support portion 14 can be a porous plate or a metal mesh, and has a small obstruction to the heat flow inside the electric motor while playing a supporting role, so as to ensure the heat dissipation performance of the electric motor, the number of cooling elements 13 is equal to and in one-to-one correspondence with the number of frames, the cooling elements 13 are arranged inside the frame, the frame and the support portion 14 support the cooling elements 13 from multiple sides, so as to improve the installation stability of the cooling elements 13, each cooling element 13 is uniformly distributed around the support assembly to form a cylindrical structure with openings at two ends, be provided with stator 11 at cylindric structure inboard, can set up the draw-in groove that matches with slat 9 on stator 11's the outer peripheral face, during the installation, make slat 9 card go into in the draw-in groove, promote the firmness of stator 11 installation, respectively through an end cover 6 of bolt fastening on two go-between 5, set up rotor 12 between the end cover, simultaneously end cover 6 encloses jointly with each cooling piece 13 and closes to form sealedly, the realization is to stator 11 and rotor 12's protection, cooling piece 13 is hollow structure, inside injection coolant liquid, wherein the wherein one end of two adjacent cooling pieces 13 leads to pipe 1 intercommunication, make each cooling piece 13 establish ties in proper order, wherein be provided with water inlet 7 and delivery port 8 on two adjacent cooling pieces 13 respectively, external circulating pump and heat exchanger are connected to water inlet 7 and delivery port 8.
The motor of this casing of installation is at the during operation, and the circulating pump provides power, makes the coolant liquid circulate and flow between each cooling piece 13 and heat exchanger to continuous send out the inside heat of motor, play the cooling effect to the motor, promote the reliability of motor work, each cooling piece 13 is individual alone, can realize dismantling alone and change, still can reduce the maintenance cost of motor when the motor of being convenient for is maintained.
During the in-service use, in order to make things convenient for the dismouting of each cooling piece 13, the installation of the motor of being convenient for simultaneously, cooling piece 13 passes through annular clamp 2 to be fixed in the frame, and clamp 2 includes two arc connecting portions, and the bolt fastening is passed through to the tip of two connecting portions, and the inboard distribution of connecting portion has connecting block 4, and the quantity of connecting block 4 equals and the one-to-one with cooling piece 13's quantity, and connecting block 4 and cooling piece 13 butt, the outside bottom of connecting portion still is provided with mount pad 10.
After each cooling member 13 is placed in place, encircle each cooling member with two connecting portion from all around, later pass through bolt fastening with the tip of connecting portion and form annular clamp 2, from outside butt cooling member 13 through clamp 2, fix cooling member 13 in the frame, fixed mode through clamp 2, it is convenient to make cooling member 13 install, the connecting portion inboard sets up connecting block 4, connecting block 4 optional utensil elastic material, connecting block 4 butt cooling member 13, can promote the compactness of cooling member 13 butt, prevent damage cooling member 13 surface simultaneously, and can play certain cushioning effect, promote the wholeness ability of motor, and the setting of mount pad 10 can be convenient for fix the motor in the position that needs were placed.
As shown in fig. 6, the cooling member 13 includes an inner side plate 133 and an outer side plate 132 that are parallel and opposite to each other, the outer side plate 132 and the inner side plate 133 are corrugated, the corrugated trough of the outer side plate 132 is fixed with the corrugated trough of the inner side plate 133 through a fixing member 131, the corrugated trough of the outer side plate 132 is fixed with the corrugated trough of the inner side plate 133, the edge of the outer side plate 132 and the edge of the inner side plate 133 are connected through a flexible sealing strip 134, a hollow cavity is formed between the inner side plate 133 and the outer side plate 132, water injection ports 135 are respectively provided at two ends of the outer side plate 132 adjacent to the end cover 6, the water injection ports 135 are used for connecting the water pipe 1, and the protective layer 3 is provided on the outer side plate 132.
The corrugated inner side plate 133 can increase the heat absorption area and improve the heat absorption effect of the cooling liquid, the corrugated inner side plate 133 and the corrugated outer side plate 132 can form a corrugated cooling liquid channel to prolong the stay time of the cooling liquid in the channel and further improve the heat absorption effect of the cooling liquid and improve the heat dissipation effect of the motor, meanwhile, the corrugated inner side plate 133 and the corrugated outer side plate 132 can be made of elastic metal, and the combination of the corrugated inner side plate 133 and the corrugated outer side plate 132 can be combined to ensure that the combination of the inner side plate 133 and the outer side plate 132 has certain elasticity, so that the combination has certain shock absorption effect, the connecting block 4 is abutted against the outer side plate 132, the shock absorption between the motor main body and the mounting seat 10 is realized, the transmission of vibration can be effectively blocked, the effect of reducing the noise of the motor and improving the overall working stability of the motor is realized, the fixing member 131 connecting the inner plate 133 and the outer plate 132 is arranged at the corrugated wave crest and the wave trough, when the inner plate 133 and the outer plate 132 deform, the relative displacement of the position is small, the damage to the connection of the fixing member 131 can be reduced, the firmness of the connection of the inner plate 133 and the outer plate 132 is improved, meanwhile, the inner plate 133 and the edge of the outer plate 132 are connected through the sealing strip 134, the sealing strip 134 can be actually made of rubber, the flexible connection between the inner plate 133 and the edge of the outer plate 132 is realized through the sealing strip, the sealing performance between the inner plate 133 and the outer plate 132 when deformation occurs is ensured, the cooling liquid is prevented from being leaked, meanwhile, the sealing strip 134 can also form sealing with the frame formed by the connecting ring 4 and the strip plate 9, the integral sealing performance of the motor is ensured, and the dustproof effect of the motor is improved.
Of course, the cooling element 13 is easily damaged by aging when exposed to the outside for a long time, so that the side of the cooling element 13 away from the stator 11 is covered with the protective layer 3, the protective layer 3 includes the buffer layer 31 made of porous material, the buffer layer 31 is tightly abutted against the outer side plate 132, the buffer layer 31 is fixed with the outer side plate 132 by glue, and the side of the buffer layer 31 away from the outer side plate 132 is provided with the hard wrapping layer 32.
The 3 outmost parcel layers 32 that are of protective layer, specifically can be the stainless steel sheet metal, can play anticorrosive through this parcel layer 32, the protection effect who shocks resistance, and buffer layer 31 can play the cushioning effect, prevent that outer panel 132 from being collided and percussion the damage, buffer layer 31 chooses for use porous material can play thermal-insulated, fall and the multiple effect of buffering, the effective absorption motor internal noise, promote the silence effect of motor work, and the buffer layer passes through glue and the laminating of outer panel 132, make the buffer layer 31 medial surface form the similar shape of inhaling the sound wedge, can promote buffer layer 31's sound absorption performance, corrugated inner panel 133 and outer panel 132, can produce the curved surface reflection to the sound wave, improve the sound insulation performance, further promote the silence effect of motor.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a casing structure of motor, includes the casing, inside stator (11) and the rotor (12) of being provided with of casing, the casing both ends all be provided with end cover (6) that rotor (12) are connected, its characterized in that:
the machine shell comprises a support assembly, wherein a plurality of hollow cooling pieces (13) are arranged on the support assembly, each cooling piece (13) surrounds the support assembly and is uniformly distributed to form a cylindrical structure with two open ends, cooling liquid which flows circularly is arranged in each cooling piece (13), and a protective layer (3) covers one side of each cooling piece (13) departing from the stator (11);
the cooling part (13) comprises an inner side plate (133) and an outer side plate (132) which are parallel and oppositely arranged, a plurality of fixing pieces (131) are distributed between the inner side plate (133) and the outer side plate (132), the inner side plate (133) and the outer side plate (132) are mutually fixed through the fixing pieces (131), the edge of the inner side plate (133) is hermetically connected with the edge of the outer side plate (132), a hollow cavity is formed between the inner side plate (133) and the outer side plate (132), water injection ports (135) are formed in two ends, adjacent to the end cover (6), of the outer side plate (132), and the protective layer (3) is arranged on the outer side plate (132);
the outer side plate (132) and the inner side plate (133) are both corrugated, corrugated wave troughs of the outer side plate (132) are fixed with corrugated wave troughs of the inner side plate (133) through fixing pieces (131), and corrugated wave crests of the outer side plate (132) are fixed with corrugated wave crests of the inner side plate (133) through fixing pieces (131).
2. The cabinet structure of an electric machine according to claim 1, characterized in that one end of each of two adjacent cooling members (13) is connected through a water pipe (1) to connect the cooling members (13) in series, wherein the two adjacent cooling members (13) are respectively provided with a water inlet (7) and a water outlet (8).
3. The machine shell structure of the motor according to claim 1, wherein the bracket assembly comprises two connecting rings (5) which are coaxially arranged, a plurality of strips (9) are arranged between the two connecting rings (5) along the axial direction of the connecting rings, each strip (9) is uniformly distributed around the central axis of the connecting ring (5), two adjacent strips (9) and two connecting rings (5) enclose a frame, the number of the cooling pieces (13) is equal to the number of the frames, and the cooling pieces (13) are arranged in the frame.
4. A housing structure of an electric machine according to claim 3, characterized in that a support (14) is arranged inside the frame.
5. A machine housing construction according to claim 3, characterised in that the cooling element (13) is fixed in the frame by means of an annular clamp (2).
6. The machine shell structure of the motor according to claim 5, wherein the clamp (2) comprises two arc-shaped connecting portions, the ends of the two connecting portions are fixed by bolts, connecting blocks (4) are distributed on the inner sides of the connecting portions, the number of the connecting blocks (4) is equal to that of the cooling pieces (13) and corresponds to that of the cooling pieces (13), the connecting blocks (4) are abutted against the cooling pieces (13), and a mounting seat (10) is further arranged at the bottom of the outer side of the connecting portion.
7. The machine housing structure of an electric machine according to claim 1, characterized in that the edges of the outer side plate (132) and the edges of the inner side plate (133) are connected by a flexible sealing strip (134).
8. The machine shell structure of an electric machine according to claim 1, characterized in that the protective layer (3) comprises a buffer layer (31) made of a porous material, the buffer layer (31) is in tight abutment with the outer side plate (132), the buffer layer (31) and the outer side plate (132) are fixed by glue, and a hard wrapping layer (32) is arranged on a side of the buffer layer (31) facing away from the outer side plate (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507846.0A CN113991927B (en) | 2021-12-10 | 2021-12-10 | Casing structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507846.0A CN113991927B (en) | 2021-12-10 | 2021-12-10 | Casing structure of motor |
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| CN113991927A CN113991927A (en) | 2022-01-28 |
| CN113991927B true CN113991927B (en) | 2022-12-06 |
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| CN202111507846.0A Active CN113991927B (en) | 2021-12-10 | 2021-12-10 | Casing structure of motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113991927A (en) | 2022-01-28 |
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