Motor rotor device with optimized heat dissipation

Abstract

The utility model relates to the technical field of motor rotors, and discloses a motor rotor device with optimized heat dissipation, which comprises a rotor rotationally arranged in a motor body, a heat dissipation structure is arranged on one side of the rotor, and the heat dissipation structure comprises an oil outlet pipe and an oil inlet pipe which are communicated and fixed on one side of the motor body. Through the arrangement of the heat dissipation structure, cooling oil liquid is sprayed out of the heat dissipation cavity through the spray head, the cooling oil liquid entering the heat dissipation cavity flows in the heat dissipation cavity and dissipates heat of the rotor, when the rotor rotates, the cooling oil liquid in the heat dissipation cavity flows out of the circulation holes under the action of centrifugal force, and the cooling effect of the rotor is improved. The rotor is cooled comprehensively and uniformly, cooling oil pumped out through the oil outlet pipe enters the heat exchanger under the action of the oil pump to be cooled again and is input into the motor body again to dissipate heat of the rotor, so that circulating heat dissipation is performed on the rotor, and efficient heat dissipation can be performed on the rotor without installing a fan wheel in the motor body. And the heat dissipation effect of the rotor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor technical field especially relates to a heat dissipation optimization's motor rotor device. BACKGROUND

[0002] Motor rotor is a core component in the inside of motor, it is the rotating part of motor, works together with stator, realizes electric energy conversion for mechanical energy of motor, and motor rotor usually includes rotating shaft, winding (or conductor), iron core etc.

[0003] The existing heat dissipation fan rotor (announcement number: CN210053258U) at least has following disadvantage: the above -mentioned device passes through the installation fan wheel at the rotating shaft of rotor, when rotor and rotating shaft rotate, fan wheel follows rotation in the motor and carries out heat dissipation to rotor, however, rotor is located in the inside of motor, and the ventilation in the motor is not smooth, and fan wheel is difficult to effectively heat dissipation to rotor in the inside of motor, thereby causing the poor heat dissipation effect of motor rotor, and therefore we propose the utility model. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcoming in prior art, and provides a heat dissipation optimization's motor rotor device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of heat dissipation optimization's motor rotor device, including the rotor rotatingly arranged in the inside of motor body, the one side of the rotor is provided with heat dissipation structure, heat dissipation structure includes the oil outlet pipe and oil inlet pipe being fixedly connected in the one side of motor body, the one end of oil outlet pipe is fixedly connected with valve, the one end of valve is fixedly connected with filter cartridge by screw thread, the one end of filter cartridge is fixedly connected with oil pump, the one side of oil pump is fixedly connected with heat exchanger, and heat exchanger is fixedly connected with oil inlet pipe.

[0007] As a further scheme of the utility model, the one side of the rotor is provided with a plurality of heat dissipation cavities, the inside of the rotor is provided with a plurality of flow-through holes, the plurality of flow-through holes are evenly distributed along the length direction of the rotor, the one end of the oil inlet pipe is fixedly connected with a spray head, the spray head faces the heat dissipation cavity, and the other end of the oil outlet pipe is located below the rotor.

[0008] As a further scheme of the utility model, the one end of the rotating shaft of the rotor is fixedly connected with a fan blade, and the fan blade is spaced apart from the one side of the motor body.

[0009] As a further scheme of the utility model, the motor body is fixed with a ventilation cover on one side through bolts, a fan is rotatably arranged inside the ventilation cover, and the fan and the fan blade are located on the same axis.

[0010] As a further scheme of the utility model, a fixed cavity is arranged inside the filter cartridge, and a strong magnet is fixed inside the fixed cavity.

[0011] As a further scheme of the utility model, the outer cylindrical wall surface of the ventilation cover is a hollow structure, and a ventilation hole is arranged on one side of the ventilation cover.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The motor rotor device, through the arrangement of the heat dissipation structure, the cooling oil is sprayed into the heat dissipation cavity through the spray head, the cooling oil entering the heat dissipation cavity flows in the heat dissipation cavity and dissipates heat for the rotor, and when the rotor rotates, the cooling oil in the heat dissipation cavity flows out from the flow-through hole under the action of centrifugal force, thereby fully and uniformly dissipating heat for the rotor.

[0014] The cooling oil extracted through the oil outlet pipe enters the heat exchanger under the action of the oil pump and is re-cooled, and is re-input into the motor body to dissipate heat for the rotor, so that the rotor is circularly cooled, thereby improving the cooling effect of the rotor without the need of installing a fan wheel inside the motor body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of structure schematic diagram of the motor rotor device of heat dissipation optimization;

[0016] Figure 2 The utility model provides a kind of split structure schematic diagram of the motor rotor device of heat dissipation optimization;

[0017] Figure 3 The utility model provides a kind of three-dimensional structure schematic diagram of the oil inlet pipe of the motor rotor device of heat dissipation optimization;

[0018] Figure 4 The utility model provides a kind of split structure schematic diagram of the filter cartridge of the motor rotor device of heat dissipation optimization.

[0019] In the drawing: 1, motor body;2, rotor;201, oil outlet pipe;202, oil inlet pipe;203, valve;204, filter cartridge;205, oil pump;206, heat dissipation cavity;207, flow-through hole;208, spray head;209, heat exchanger;3, fan blade;4, ventilation cover;401, fan;5, fixed cavity;501, strong magnet;6, ventilation hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it should be pointed out that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As shown in Figures 1-4 A heat dissipation optimized motor rotor device, comprising a rotor 2 rotatably arranged inside a motor body 1, the rotor 2 is provided with a heat dissipation structure on one side, the heat dissipation structure comprises an oil outlet pipe 201 and an oil inlet pipe 202 fixedly communicated on one side of the motor body 1, one end of the oil outlet pipe 201 is fixedly communicated with a valve 203, one end of the valve 203 is threadedly connected with a filter cartridge 204, one end of the filter cartridge 204 is fixedly communicated with an oil pump 205, one side of the oil pump 205 is fixedly communicated with a heat exchanger 209, the heat exchanger 209 is fixedly communicated with the oil inlet pipe 202, and the oil pump 205 and the heat exchanger 209 are both prior art.

[0024] In this embodiment, the rotor 2 is provided with a plurality of heat dissipation cavities 206 on one side, and a plurality of flow-through holes 207 are formed in the interior of the rotor 2 and evenly distributed along the length direction of the rotor 2. The one end of the oil inlet pipe 202 is communicated with a spray head 208 fixedly arranged, the spray head 208 faces the heat dissipation cavities 206, and the other end of the oil outlet pipe 201 is located below the rotor 2. Through the arrangement of the heat dissipation structure, the worker pours the cooling oil into the motor body 1 through the oil inlet pipe 202, the cooling oil is sprayed into the heat dissipation cavities 206 through the spray head 208, the cooling oil entering the heat dissipation cavities 206 flows in the heat dissipation cavities 206 and dissipates heat for the rotor 2, when the rotor 2 rotates, the cooling oil in the heat dissipation cavities 206 flows out of the flow-through holes 207 under the action of centrifugal force, the cooling oil flowing out of the flow-through holes 207 fully and uniformly dissipates heat for the rotor 2, and the cooling oil dripping from the rotor 2 is pumped out by the oil outlet pipe 201 located below the rotor 2, the pumped-out cooling oil is re-cooled in the heat exchanger 209 under the action of the oil pump 205 and is re-input into the motor body 1 to dissipate heat for the rotor 2. In this way, the rotor 2 is circularly cooled, so that the rotor 2 can be efficiently cooled without installing a fan wheel in the motor body 1, and the cooling effect of the rotor 2 is improved.

[0025] In this embodiment, the rotating shaft of the rotor 2 is fixedly provided with a fan blade 3 on one end, and the fan blade 3 is spaced apart from one side of the motor body 1. When the rotor 2 rotates, the rotating shaft of the rotor 2 drives the fan blade 3 to rotate, the fan blade 3 blows air toward the motor body 1, thereby preventing the heat emitted by the rotor 2 from accumulating on the motor body 1, and improving the cooling effect.

[0026] In this embodiment, the motor body 1 is fixedly provided with a ventilation cover 4 on one side through bolts, and a fan 401 is rotatably arranged in the interior of the ventilation cover 4. The fan 401 is located on the same axis as the fan blade 3. When the rotation of the fan blade 3 cannot meet the heat dissipation of the surface of the motor body 1, the worker can start the fan 401, and the fan 401 blows air toward the fan blade 3, thereby increasing the air intake and further improving the cooling effect.

[0027] In this embodiment, a fixed cavity 5 is formed in the interior of the filter cylinder 204, and a powerful magnet 501 is fixedly arranged in the interior of the fixed cavity 5. When the cooling oil is input into the heat exchanger 209 through the oil outlet pipe 201, the iron filings mixed in the cooling oil flowing through the filter cylinder 204 are adsorbed by the powerful magnet 501 and are adsorbed on the inner wall of the filter cylinder 204. In this way, the oil entering the heat exchanger 209 is prevented from mixing with the iron filings in the motor body 1, and the failure rate of the device is reduced.

[0028] In this embodiment, the outer circular wall surface of the ventilation cover 4 is a hollow structure, and a ventilation hole 6 is formed in one side of the ventilation cover 4. The hollow design of the ventilation cover 4 and the ventilation hole 6 can ensure the air flow when the fan 401 and the fan blade 3 rotate.

[0029] Working principle: in use, the staff will be cooled by oil through the oil pipe 202 into the motor body 1, cooling oil through the nozzle 208 to the heat dissipation cavity 206, cooling oil into the heat dissipation cavity 206 in the heat dissipation cavity 206 and the rotor 2 heat dissipation, rotor 2 in rotation, cooling oil in the heat dissipation cavity 206 flows out from the flow hole 207 under the action of centrifugal force, cooling oil from the flow hole 207 flows out from the rotor 2 comprehensive and uniform heat dissipation, cooling oil from the rotor 2 on the drop is located below the rotor 2 oil outlet pipe 201 extracted, the extracted cooling oil in the oil pump 205 under the action of heat exchanger 209 into the recooling, and be re-input motor body 1 to the rotor 2 heat dissipation, so as to the rotor 2 cycle heat dissipation, when the rotor 2 in rotation, the rotating shaft of the rotor 2 drives the fan blade 3 rotation, fan blade 3 rotation will be blown to the motor body 1, so as to prevent the rotor 2 heat dissipation in the motor body 1 accumulation, when the fan blade 3 rotation is difficult to meet the surface of the motor body 1 heat dissipation, the staff can start the fan 401, the fan 401 will be blown to the fan blade 3, so as to improve the air intake, so as to further improve the heat dissipation effect, when the oil outlet pipe 201 will be cooled by oil to the heat exchanger 209, the cooling oil flow through the filter cartridge 204 in the iron filings mixed with strong magnet 501 adsorption, adsorbed in the filter cartridge 204 inner wall, so as to prevent the oil into the heat exchanger 209 mixed with iron filings in the motor body 1, reduce the device failure rate, the vented hood 4 and open the vent hole 6 can ensure that the fan 401 and fan blade 3 rotation air flow.

[0030] The basic principle and main features of the present application are shown and described above, and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, the present application can also have various changes and improvements, and these changes and improvements fall within the scope of the claimed present application.

Claims

1. A heat dissipation optimized electric machine rotor arrangement comprising a rotor (2) arranged to rotate inside an electric machine body (1), characterized in that: The rotor (2) is provided with a heat dissipation structure on one side, which comprises an oil outlet pipe (201) and an oil inlet pipe (202) communicated and fixed on one side of the motor body (1), one end of the oil outlet pipe (201) is communicated and fixed with a valve (203), one end of the valve (203) is threadedly connected with a filter cartridge (204), one end of the filter cartridge (204) is communicated and fixed with an oil pump (205), one side of the oil pump (205) is communicated and fixed with a heat exchanger (209), and the heat exchanger (209) is communicated and fixed with the oil inlet pipe (202).

2. A heat dissipation optimized motor rotor arrangement according to claim 1, characterized in that A plurality of heat dissipation cavities (206) are formed on one side of the rotor (2), a plurality of flow-through holes (207) are formed in the rotor (2), the plurality of flow-through holes (207) are uniformly distributed along the length direction of the rotor (2), one end of the oil inlet pipe (202) is communicated and fixed with a spray head (208) close to the rotor (2), the spray head (208) faces the heat dissipation cavities (206), and the other end of the oil outlet pipe (201) is located below the rotor (2).

3. A heat dissipation optimized motor rotor arrangement according to claim 2, characterized in that One end of the rotating shaft of the rotor (2) is fixed with a fan blade (3), and the fan blade (3) is spaced from one side of the motor body (1).

4. A heat dissipation optimized motor rotor arrangement according to claim 3, characterized in that One side of the motor body (1) is fixed with a ventilation cover (4) through bolts, the ventilation cover (4) is rotatably provided with a fan (401) in the inside, and the fan (401) is located on the same axis as the fan blade (3).

5. A heat dissipation optimized motor rotor arrangement according to claim 4, characterized in that A fixing cavity (5) is formed in the inside of the filter cartridge (204), and a strong magnet (501) is fixed in the inside of the fixing cavity (5).

6. A heat dissipation optimized motor rotor arrangement according to claim 5, characterized in that The outer circular wall surface of the ventilation cover (4) is a hollow structure, and the ventilation cover (4) is provided with a ventilation hole (6) on one side.

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