High-voltage three-phase asynchronous motor convenient for heat dissipation

Abstract

The utility model belongs to the technical field of high-voltage three-phase asynchronous motors, and particularly relates to a high-voltage three-phase asynchronous motor convenient for heat dissipation, which comprises a first shell and a second shell fixedly connected to the rear end of the first shell, a stator is fixedly mounted in the first shell, and a rotating shaft is movably mounted in the first shell. A rotor is fixedly installed on the outer wall of the rotating shaft and located in the stator, an air cooling assembly is installed at the rear end of the rotor and located in the second shell, and a water cooling assembly is installed on the outer wall of the first shell. The air cooling assembly comprises a first fan fixedly connected with the rear end of the rotor, and the air outlet direction of the first fan faces the first shell. According to the utility model, through two heat dissipation modes of air cooling and water cooling, all-directional heat dissipation is realized, and the problems of insulation aging, winding resistance increase, mechanical part abrasion and the like caused by overheating are avoided, so that the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high pressure three -phase asynchronous motor technical field, concretely is a high pressure three -phase asynchronous motor convenient for heat dissipation. BACKGROUND

[0002] High pressure three -phase asynchronous motor is widely used in each field with its high -efficient, reliable, stable operating performance, such as mechanical manufacturing, petroleum chemical industry, electric power energy etc. The motor has the advantages such as power, wide speed range, strong adaptability, can satisfy the demand under different working conditions. In industrial production, high pressure three -phase asynchronous motor is the core power source of many key equipment, and its normal operation plays an important role in guaranteeing the continuity and stability of production.

[0003] High pressure three -phase asynchronous motor generates a large amount of heat in the operation process, mainly due to the electromagnetic loss, mechanical loss and resistance loss etc. inside the motor. The motor heating will bring a series of serious problems. The temperature that is too high can accelerate the aging of the internal insulation material of the motor, reduce the insulation performance of the motor, increase the risk of short circuit, grounding and other faults of the motor;The motor heating will cause the winding resistance of the motor to increase, further increase the loss of the motor, and reduce the working efficiency of the motor;In addition, the mechanical parts of the motor running in high temperature state for a long time will be affected, such as bearing wear, lubricating oil performance decline, etc., thereby shortening the service life. SUMMARY

[0004] The utility model discloses a kind of high pressure three -phase asynchronous motor convenient for heat dissipation, by air cooling and water cooling two heat dissipation modes, realize the all -round heat dissipation to motor, avoid the insulation aging, winding resistance increase, mechanical component wear etc. caused by overheating of the utility model, to prolong service life.

[0005] To achieve the above object, the utility model adopts the technical scheme that provides a kind of high pressure three -phase asynchronous motor convenient for heat dissipation, including first shell and the second shell of fixed connection in the rear end of first shell, the inside fixed mounting of first shell has stator, the inside movable mounting of first shell has rotating shaft, the outer wall of rotating shaft is fixedly installed with rotor, the rotor is located inside stator, the rear end of rotor is installed with air cooling component, air cooling component is located inside the second shell, the outer wall of first shell is installed with water cooling component;

[0006] The air cooling component includes the first fan of rotor rear end fixed connection, the air outlet direction of first fan is towards first shell.

[0007] Further, the water cooling assembly comprises cooling pipes, a ring-shaped water outlet block, heat dissipation pipes, a water pump, a water return pipe and a ring-shaped water inlet block, the outer wall of the first shell is fixedly connected with the cooling pipes, the cooling pipes are annularly distributed, the rear ends of the cooling pipes are fixedly connected with the ring-shaped water outlet block, the water outlet end of the ring-shaped water outlet block is fixedly connected with the heat dissipation pipes, the heat dissipation pipes are located at the air outlet end of the air cooling assembly, the water outlet end of the heat dissipation pipes is fixedly connected with the water pump, the water outlet end of the water pump is fixedly connected with the water return pipe, the front ends of the cooling pipes are fixedly connected with the ring-shaped water inlet block, and the water outlet end of the water return pipe is fixedly connected to the ring-shaped water inlet block.

[0008] Further, the inside of the second shell is fixedly connected with a support frame, the support frame is located at the top of the first fan, the inside of the support frame is fixedly installed with a second bearing, the inner ring of the second bearing is fixedly installed with a driving shaft, the front end of the driving shaft is fixedly connected with a second fan, the heat dissipation pipes are coiled at the front end of the second fan, the heat dissipation pipes are located at the air outlet end of the second fan, and the rotor and the driving shaft are both provided with a belt groove, and the driving belts are installed on the two belt grooves.

[0009] Further, the rear end of the second shell is provided with a second air inlet hole, the second air inlet hole is located at the air suction end of the first fan and the second fan, the front end of the second shell is provided with a second air outlet hole, the second air outlet hole is located at the air outlet end of the second fan, the second air outlet hole is located at the top of the first shell, the rear end of the first shell is provided with a first air inlet hole, the first air inlet hole is located at the air outlet end of the first fan, and the front end of the first shell is provided with a first air outlet hole, the first air outlet hole is located at the front end of the stator and the rotating shaft.

[0010] Further, the inside of the first shell is fixedly connected with bearing seats at both ends, the first bearings are installed in the inner rings of the two first bearings, and the rotating shaft is fixedly installed in the inner rings of the two first bearings.

[0011] Further, the water return pipe is fixedly connected with a water injection pipe, and the water injection end of the water injection pipe is threadedly installed with a plug.

[0012] Further, the bottom of the first shell is fixedly connected with fixing feet, and the number of the fixing feet is two.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses a first shell, first air inlet, second air inlet, rotor, first fan, drive shaft, second fan, drive belt, cooling pipe, annular water outlet block, heat dissipation pipe, water pump, backwater pipe and annular water inlet block are provided, when using, the rotor rotates, drives the first fan rotation, and the first fan draws wind through the second air inlet and blows the wind into the first shell inside through the first air inlet and carries out the air cooling heat dissipation.

[0015] Meanwhile the cooling pipe of first shell outer wall absorbs the heat generated by the utility model, then opens the water pump, and the hot water in the cooling pipe is drawn into the annular water outlet block, and then flows into the heat dissipation pipe, and then the hot water passes through the air outlet end of second fan, and further carries out heat dissipation by means of air cooling, and the water after heat dissipation returns to the annular water inlet block through the backwater pipe under the action of water pump, and then enters the cooling pipe and forms circulation, and the utility model is cooled continuously. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying the creative labor.

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the rear view structure schematic diagram of the utility model;

[0019] Figure 3 It is the internal structure schematic diagram of the first shell of the utility model;

[0020] Figure 4 It is the section structure schematic diagram of the first shell and the second shell of the utility model;

[0021] Figure 5 It is the enlarged structure schematic diagram of the water cooling assembly of the utility model;

[0022] Figure 6 It is Figure 5 the enlarged structure schematic diagram of place A.

[0023] In the figure: 1, the first shell; 101, the first air outlet; 102, the first air inlet; 103, the bearing seat; 2, the second shell; 201, the second air inlet; 202, the second air outlet; 3, the stator; 4, the rotating shaft; 5, the rotor; 6, the first bearing; 7, the air cooling assembly; 701, the first fan; 702, the support frame; 703, the second bearing; 704, the driving shaft; 705, the second fan; 706, the belt groove; 707, the driving belt; 8, the water cooling assembly; 801, the cooling pipe; 802, the annular water outlet block; 803, the heat dissipation pipe; 804, the water pump; 805, the return water pipe; 806, the annular water inlet block; 807, the water injection pipe; 808, the block; 9, the fixing foot. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] REFERENCE Figures 1-6The utility model discloses a high pressure three phase asynchronous motor convenient to radiate, and the utility model discloses a high pressure three phase asynchronous motor convenient to radiate, including first shell 1 and the second shell 2 of fixed connection in first shell 1 rear end, the inside fixed mounting of first shell 1 has stator 3, the inside movable mounting of first shell 1 has rotating shaft 4, the outer wall fixed mounting of rotating shaft 4 has rotor 5, and rotor 5 is located stator 3 inside, and the rear end mounting of rotor 5 has air cooling component 7, and air cooling component 7 is located the inside of second shell 2, and the outer wall installation of first shell 1 has water cooling component 8, air cooling component 7 includes the first fan 701 of fixed connection of rotor 5 rear end, and the air outlet direction of first fan 701 is towards first shell 1.

[0029] When using, the current is delivered to the stator 3, the stator 3 generates a magnetic field, drives the rotor 5 to rotate, thereby driving the first fan 701 to rotate, the wind generated by the first fan 701 blows to the first shell 1, and the stator 3 and the rotor 5 inside the utility model are air-cooled and radiated, the temperature of the utility model is reduced, and the problems such as aging of insulation material and increase of winding resistance caused by high temperature are reduced.

[0030] The water cooling component 8 includes a cooling pipe 801, an annular water outlet block 802, a heat dissipation pipe 803, a water pump 804, a water return pipe 805 and an annular water inlet block 806, the outer wall of the first shell 1 is fixedly connected with the cooling pipe 801, the cooling pipe 801 has a plurality of annular distributions, the rear end of the plurality of cooling pipes 801 is fixedly connected with the annular water outlet block 802, the water outlet end of the annular water outlet block 802 is fixedly connected with the heat dissipation pipe 803, the heat dissipation pipe 803 is located at the air outlet end of the air cooling component 7, the water outlet end of the heat dissipation pipe 803 is fixedly connected with the water pump 804, the water outlet end of the water pump 804 is fixedly connected with the water return pipe 805, and the front end of the plurality of cooling pipes 801 is fixedly connected with the annular water inlet block 806, and the water outlet end of the water return pipe 805 is fixedly connected to the annular water inlet block 806.

[0031] When using, the cooling pipe 801 is wrapped around the outer wall of the first shell 1 and absorbs the heat generated by the utility model during operation. Then the water pump 804 is started, the hot water in the cooling pipe 801 is pumped into the annular water outlet block 802, and then flows into the heat dissipation pipe 803. Then the hot water passes through the air outlet end of the air cooling component 7 and is further cooled by air cooling. The cooled water returns to the annular water inlet block 806 through the water return pipe 805 under the action of the water pump 804, and then enters the cooling pipe 801 to form a circulation. The combination of water cooling and air cooling improves the heat dissipation efficiency. The airflow of the air cooling component 7 of the utility model is used to perform secondary heat dissipation on the heat dissipation pipe 803, fully utilizes energy, reduces energy consumption, and the plurality of cooling pipes 801 are annularly distributed, which increases the contact area with the utility model and improves the heat dissipation effect.

[0032] The second shell 2 is fixedly connected with a support frame 702, the support frame 702 is located at the top of the first fan 701, the support frame 702 is fixedly installed with a second bearing 703 inside, the inner ring of the second bearing 703 is fixedly installed with a driving shaft 704, the front end of the driving shaft 704 is fixedly connected with a second fan 705, a heat dissipation pipe 803 is coiled at the front end of the second fan 705, the heat dissipation pipe 803 is located at the air outlet end of the second fan 705, and the belt grooves 706 are formed between the rotor 5 and the driving shaft 704.

[0033] In use, the rotor 5 rotates to drive the driving shaft 704 to rotate through the driving belt 707, so that the second fan 705 is rotated under the support of the second bearing 703, the heat dissipation pipe 803 is coiled at the front end of the second fan 705, the airflow generated by the second fan 705 can be used for air cooling of the heat dissipation pipe 803, the rotor 5 drives the second fan 705 to rotate without the need of an additional power source, energy saving and high efficiency.

[0034] The rear end of the second shell 2 is provided with a second air inlet hole 201, the second air inlet hole 201 is located at the air exhaust end of the first fan 701 and the second fan 705, the front end of the second shell 2 is provided with a second air outlet hole 202, the second air outlet hole 202 is located at the air outlet end of the second fan 705, the second air outlet hole 202 is located at the top of the first shell 1, the rear end of the first shell 1 is provided with a first air inlet hole 102, the first air inlet hole 102 is located at the air outlet end of the first fan 701, and the front end of the first shell 1 is provided with a first air outlet hole 101.

[0035] In use, the first fan 701 and the second fan 705 draw air through the second air inlet hole 201, the first fan 701 blows air into the first shell 1 through the first air inlet hole 102 for air cooling and heat dissipation, and then the air is discharged through the first air outlet hole 101. The second fan 705 blows air out through the second air outlet hole 202, and simultaneously performs air cooling and heat dissipation on the heat dissipation pipe 803, so that the smooth flow of the airflow is ensured, and the air cooling and heat dissipation effect is improved.

[0036] The inside of the first shell 1 is fixedly connected with bearing seats 103 at both ends, the first bearings 6 are installed in the inside of the two bearing seats 103, and the rotating shaft 4 is fixedly installed in the inner rings of the two first bearings 6.

[0037] In use, the rotating shaft 4 is fixedly installed in the inner rings of the two first bearings 6, so that the rotating shaft 4 is provided with support and stable rotating conditions, the stable rotation of the rotating shaft 4 is ensured, friction and abrasion are reduced, and the operation stability and service life of the utility model are improved.

[0038] The water injection pipe 807 is fixedly connected to the backwater pipe 805, and a plug 808 is threadedly installed at the water injection end of the water injection pipe 807.

[0039] In use, the water injection pipe 807 is used to inject cooling liquid into the water cooling system, and the plug 808 is threadedly installed at the water injection end to seal the water injection pipe 807 after the injection of the cooling liquid, so as to facilitate the addition of the cooling liquid into the water cooling system and ensure the normal operation of the water cooling system.

[0040] The bottom of the first shell 1 is fixedly connected with two fixing feet 9.

[0041] The two fixing feet 9 are fixedly connected to the bottom of the first shell 1 and are used to fix the utility model on the installation position, so as to ensure the firm and stable installation of the utility model, prevent the utility model from shaking or shifting during operation, and improve the operation safety and stability of the utility model.

[0042] Working principle: first, the first shell 1 is installed on the specified position through the fixing feet 9 to prevent the utility model from shaking or shifting during operation; in use, the current is delivered to the stator 3 to generate a magnetic field for the stator 3 and drive the rotor 5 to rotate.

[0043] The rotor 5 drives the first fan 701 to rotate at the same time, the first fan 701 draws air through the second air inlet 201 and blows the air into the first shell 1 to air cool and heat dissipate the utility model through the first air inlet 102.

[0044] The rotor 5 also drives the driving shaft 704 to rotate through the driving belt 707 at the same time, so as to drive the second fan 705 to rotate, the second fan 705 draws air through the second air inlet 201 and blows the air out through the second air outlet 202, and simultaneously air cools and heat dissipates the heat dissipation pipe 803 coiled at the front end of the second fan 705.

[0045] The cooling pipe 801 of the outer wall of the first shell 1 absorbs the heat generated during the operation of the utility model, then the water pump 804 is started to draw the hot water in the cooling pipe 801 into the annular water outlet block 802, and then into the heat dissipation pipe 803, then the hot water passes through the air outlet end of the second fan 705 to further dissipate heat by air cooling, and the heat dissipated water returns to the annular water inlet block 806 through the backwater pipe 805 under the action of the water pump 804, and then enters the cooling pipe 801 to form a cycle to continuously cool the utility model.

[0046] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-voltage three-phase asynchronous motor with facilitated heat dissipation, comprising a first housing (1) and a second housing (2) fixedly connected to the rear end of the first housing (1), characterized in that: The interior of the first shell (1) is fixedly installed with a stator (3), and the interior of the first shell (1) is movably installed with a rotating shaft (4), the outer wall of the rotating shaft (4) is fixedly installed with a rotor (5), the rotor (5) is located in the stator (3), the rear end of the rotor (5) is installed with a air cooling assembly (7), the air cooling assembly (7) is located in the interior of the second shell (2), the outer wall of the first shell (1) is installed with a water cooling assembly (8); The air cooling assembly (7) comprises a first fan (701) fixedly connected to the rear end of the rotor (5), and the air outlet direction of the first fan (701) faces the first shell (1).

2. A high voltage three-phase induction motor with facilitated heat dissipation as claimed in claim 1 wherein: The water cooling assembly (8) comprises cooling pipes (801), annular water outlet blocks (802), heat dissipation pipes (803), a water pump (804), a backwater pipe (805) and annular water inlet blocks (806), the outer wall of the first shell (1) is fixedly connected with the cooling pipes (801), the cooling pipes (801) are annularly distributed, the rear ends of the cooling pipes (801) are fixedly connected with the annular water outlet blocks (802), the water outlet ends of the annular water outlet blocks (802) are fixedly connected with the heat dissipation pipes (803), the heat dissipation pipes (803) are located at the air outlet ends of the air cooling assembly (7), the water outlet ends of the heat dissipation pipes (803) are fixedly connected with the water pump (804), the water outlet end of the water pump (804) is fixedly connected with the backwater pipe (805), the front ends of the cooling pipes (801) are fixedly connected with the annular water inlet blocks (806), and the water outlet end of the backwater pipe (805) is fixedly connected to the annular water inlet blocks (806).

3. A high voltage three-phase induction motor with facilitated heat dissipation as claimed in claim 2 wherein: The interior of the second shell (2) is fixedly connected with a support frame (702), the support frame (702) is located at the top of the first fan (701), the interior of the support frame (702) is fixedly installed with a second bearing (703), the inner ring of the second bearing (703) is fixedly installed with a driving shaft (704), the front end of the driving shaft (704) is fixedly connected with a second fan (705), the heat dissipation pipes (803) are coiled at the front end of the second fan (705), the heat dissipation pipes (803) are located at the air outlet ends of the second fan (705), and the rotor (5) and the driving shaft (704) are both provided with a belt groove (706), and the two belt grooves (706) are installed with a driving belt (707).

4. A high voltage three-phase induction motor facilitating heat dissipation as claimed in claim 1 wherein: The rear end of the second shell (2) is provided with a second air inlet hole (201), the second air inlet hole (201) is located at the air extraction end of the first fan (701) and the second fan (705), the front end of the second shell (2) is provided with a second air outlet hole (202), the second air outlet hole (202) is located at the air outlet end of the second fan (705), the second air outlet hole (202) is located at the top of the first shell (1), the rear end of the first shell (1) is provided with a first air inlet hole (102), the first air inlet hole (102) is located at the air outlet end of the first fan (701), and the front end of the first shell (1) is provided with a first air outlet hole (101), the first air outlet hole (101) is located at the front end of the stator (3) and the rotating shaft (4).

5. A high voltage three-phase induction motor facilitating heat dissipation as claimed in claim 1 wherein: Both ends of the inside of the first shell (1) are fixedly connected with bearing seats (103), and the inside of the two bearing seats (103) is mounted with first bearings (6), and the rotating shaft (4) is fixedly installed in the inner rings of the two first bearings (6).

6. A high voltage three-phase induction motor with facilitated heat dissipation as claimed in claim 2 wherein: The water injection pipe (807) is fixedly connected with the water injection pipe (807), and the water injection end of the water injection pipe (807) is screw-mounted with a plug (808).

7. A high voltage three phase induction motor facilitating heat dissipation as claimed in claim 1 wherein: The bottom of the first shell (1) is fixedly connected with a fixing foot (9), and the number of the fixing foot (9) is two.

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