CN107659053B - high-efficient radiating multi-functional motor for large-scale immersible pump - Google Patents

high-efficient radiating multi-functional motor for large-scale immersible pump Download PDF

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Publication number
CN107659053B
CN107659053B CN201710893596.6A CN201710893596A CN107659053B CN 107659053 B CN107659053 B CN 107659053B CN 201710893596 A CN201710893596 A CN 201710893596A CN 107659053 B CN107659053 B CN 107659053B
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CN
China
Prior art keywords
rear end
shell
arranged
end cover
front end
Prior art date
Application number
CN201710893596.6A
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Chinese (zh)
Other versions
CN107659053A (en
Inventor
朱庆龙
梁樑
金雷
龚昌明
荚小健
叶卫宁
王宁
宋天涯
李连颖
胡薇
钱凤辉
Original Assignee
合肥恒大江海泵业股份有限公司
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Priority to CN201710893596.6A priority Critical patent/CN107659053B/en
Publication of CN107659053A publication Critical patent/CN107659053A/en
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Publication of CN107659053B publication Critical patent/CN107659053B/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/132Submersible electric motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium

Abstract

The invention discloses a high-efficiency heat-dissipation multifunctional motor for a large submersible pump, which comprises a shell, a rotating shaft, a motor rotor and a motor stator, wherein the rotating shaft is arranged on the shell; the rotating shaft is arranged in the shell, the motor rotor is coaxially sleeved in the middle of the rotating shaft, and the motor stator is coaxially sleeved on the periphery of the motor rotor; the middle part of the shell is coaxially sleeved with a heat conduction sleeve, and an annular air guide flow channel is formed between the outer wall of the heat conduction sleeve and the inner wall of the shell; the rear end of the shell is provided with a rear end cover; the rear end cover is in a round cover shape, and heat dissipation holes are circumferentially distributed in a partition plate in the middle of the rear end cover; a vortex-shaped heat conduction pipe is arranged on the outer end face of the partition plate; the front end of the shell is provided with a front end cover, two sides of the inner end surface of the front end cover are recessed with round mounting grooves, and a fan is arranged in each mounting groove; the invention takes away heat through the heat conduction pipe, has good integral sealing performance, simultaneously has two heat dissipation modes of air cooling and water cooling, and has high heat dissipation efficiency.

Description

High-efficient radiating multi-functional motor for large-scale immersible pump

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a multifunctional motor for a large submersible pump with efficient heat dissipation.

Background

The motor is an electromagnetic device which realizes the conversion or transmission of electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy; the motor converts electric energy into mechanical energy.

The existing submersible pump is mostly provided with a submersible motor, the submersible motor and the pump form a whole body, the submersible pump can be submerged into sewage with various water qualities for a long time to operate, and the severe working environment determines that the sealing structure of the submersible pump is greatly different from that of a conventional motor. The submersible motor is mainly divided into an oil-filled type, a water-filled type, a dry type and a shielding type, and the dry type submersible motor is mostly used in the prior art; because of the long, working strength big of work duration of dive motor, its inside heat is higher, long-time work back can cause great damage to the motor, consequently, the inside heat dissipation of motor is the problem that awaits the solution urgently.

Disclosure of Invention

the invention aims to provide a multifunctional motor for a large submersible pump with high-efficiency heat dissipation, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

A multifunctional motor for a large submersible pump with efficient heat dissipation comprises a shell, a rotating shaft, a motor rotor and a motor stator, wherein the shell is cylindrical, the rotating shaft is coaxially arranged in a middle cavity of the shell, and the front end of the rotating shaft extends out of the shell; the motor rotor is coaxially sleeved in the middle of the rotating shaft, and the motor stator is coaxially sleeved on the periphery of the motor rotor and is positioned in the shell;

the middle part of the shell is coaxially sleeved with a heat conduction sleeve, the motor stator is arranged on the annular inner wall of the heat conduction sleeve, and an annular air guide flow channel is formed between the outer wall of the heat conduction sleeve and the inner wall of the shell; the rear end of the shell is provided with a rear end cover;

the rear end cover is in a round cover shape, and a partition plate is arranged in the middle of the rear end cover in the radial direction; the middle part of the inner end surface of the partition board is provided with an annular rear end bearing seat, and the inner end surface of the partition board outside the rear end bearing seat is coaxially provided with a positioning ring; first heat dissipation holes are circumferentially distributed on a partition plate between the rear end bearing seat and the positioning ring, second heat dissipation holes are circumferentially distributed on the positioning ring, and the positioning ring is positioned in the rear end opening of the air guide flow passage;

a vortex-shaped heat conduction pipe is arranged on the outer end face of the partition plate, a liquid inlet pipe and a liquid outlet pipe are respectively arranged at two ends of the heat conduction pipe, and the outer ends of the liquid inlet pipe and the liquid outlet pipe extend out of the rear end cover;

The front end of the shell is provided with a front end cover, the middle part of the front end cover is provided with a rotating hole, and the output end of the rotating shaft extends out of the rotating hole; circular mounting grooves are recessed in two sides of the inner end face of the front end cover, and a fan is arranged in each mounting groove; the bottom end of the inner end face of the front end cover is provided with a battery compartment, a dry battery is arranged in the battery compartment, and the dry battery is electrically connected with the fan.

Furthermore, the front end of the shell is sunken to form a positioning table, the positioning table is provided with two threaded holes which are oppositely arranged, the front end cover is provided with two bolts, and the threaded sections of the bolts are screwed in the corresponding threaded holes.

furthermore, a front port sealing ring is attached to the end face of the positioning table.

Furthermore, the inner ends of the liquid inlet pipe and the liquid outlet pipe are connected with connecting columns which are fixedly connected with the partition plate, the middle parts of the connecting columns are provided with connecting holes, and connecting bolts are arranged in the connecting holes; the partition plate is provided with a pair of screw holes, the pair of screw holes respectively correspond to the connecting columns at the inner ends of the liquid inlet pipe and the liquid outlet pipe, and the connecting bolts in the connecting holes are spirally connected in the corresponding screw holes in the partition plate.

furthermore, the rear end cover is sleeved at the rear end of the shell, and a rear port sealing ring is arranged between the rear end cover and the outer wall of the shell.

Furthermore, a rear end bearing is arranged in a rear end bearing seat of the rear end cover, a front end bearing is arranged at a rotating hole of the front end cover, and two ends of the rotating shaft are respectively arranged in the rear end bearing and the front end bearing in a matching manner.

The invention has the beneficial effects that:

the invention designs a multifunctional motor for a large submersible pump with high-efficiency heat dissipation, wherein the two ends of a motor shell are respectively connected with a front end cover and a rear end cover in a sealing manner, a first heat dissipation hole is circumferentially distributed on a partition plate of the rear end cover, a second heat dissipation hole is circumferentially distributed on a positioning ring, the positioning ring is positioned in the rear end opening of a wind guide flow passage, the first heat dissipation hole and the second heat dissipation hole are convenient for heat in the shell to be dissipated outwards, and the positioning ring realizes the positioning of a heat guide sleeve; the front end cover is provided with the fan, heat air is conveyed to the heat conduction pipe, the heat is taken away through the heat conduction pipe, the whole sealing performance is good, two heat dissipation modes of air cooling and water cooling are provided simultaneously, and the heat dissipation efficiency is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the rear end cap and the housing of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the housing of the present invention.

Fig. 4 is a schematic structural view of the rear end cap of the present invention.

FIG. 5 is a schematic view of the connection of the rotating shaft with the front and rear end caps according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the multifunctional motor for the large submersible pump with high-efficiency heat dissipation comprises a shell 1, a rotating shaft 4, a motor rotor 5 and a motor stator 6, referring to fig. 3, wherein the shell 1 is cylindrical, the rotating shaft 4 is coaxially arranged in a middle cavity of the shell, and the front end of the rotating shaft 4 extends out of the shell 1; the motor rotor 5 is coaxially sleeved in the middle of the rotating shaft 4, and the motor stator 6 is coaxially sleeved on the periphery of the motor rotor 5 and is positioned in the shell 1;

The middle part of the shell 1 is coaxially sleeved with a heat conduction sleeve, the motor stator 6 is arranged on the annular inner wall of the heat conduction sleeve, and an annular air guide flow channel 11 is formed between the outer wall of the heat conduction sleeve and the inner wall of the shell 1; the rear end of the shell 1 is provided with a rear end cover 2;

Referring to fig. 4 and 5, the rear end cover 2 is in a shape of a dome, and a partition plate is radially arranged in the middle of the rear end cover; an annular rear end bearing seat 25 is arranged in the middle of the inner end face of the partition plate, and a positioning ring 24 is coaxially arranged on the inner end face of the partition plate outside the rear end bearing seat 25; a first heat radiation hole 26 is circumferentially distributed on a partition plate between the rear end bearing seat 25 and the positioning ring 24, a second heat radiation hole 241 is circumferentially distributed on the positioning ring 24, and the positioning ring 24 is positioned in the rear end port of the air guide flow channel 11;

A vortex-shaped heat conduction pipe 22 is arranged on the outer end face of the partition plate, a liquid inlet pipe 21 and a liquid outlet pipe 23 are respectively arranged at two ends of the heat conduction pipe 22, and the outer ends of the liquid inlet pipe 21 and the liquid outlet pipe 23 extend out of the rear end cover 2;

the front end of the shell 1 is provided with a front end cover 3, the middle part of the front end cover 3 is provided with a rotating hole, and the output end of the rotating shaft 4 extends out of the rotating hole; circular mounting grooves are recessed on two sides of the inner end face of the front end cover 3, and a fan 31 is arranged in each mounting groove; the bottom end of the inner end surface of the front end cover 3 is provided with a battery compartment, a dry battery is arranged in the battery compartment, and the dry battery is electrically connected with the fan 31.

during operation, liquid inlet pipe 21, drain pipe 23 accessible hose are connected with current cooling arrangement, realize the remote cooling of motor, have improved the stability of motor operation when the immersible pump dive degree of depth is dark.

Furthermore, the front end of the shell 1 is sunken to form a positioning table 12, the positioning table 12 is provided with two threaded holes which are oppositely arranged, the front end cover 3 is provided with two bolts, and the threaded sections of the bolts are screwed in the corresponding threaded holes.

Furthermore, a front port sealing ring is attached to the end face of the positioning table 12.

furthermore, the inner ends of the liquid inlet pipe 21 and the liquid outlet pipe 23 are connected with connecting columns which are fixedly connected with the partition plate, the middle parts of the connecting columns are provided with connecting holes, and connecting bolts are arranged in the connecting holes; the partition plate is provided with a pair of screw holes, the pair of screw holes respectively correspond to the connecting columns at the inner ends of the liquid inlet pipe 21 and the liquid outlet pipe 23, and the connecting bolts in the connecting holes are spirally connected in the corresponding screw holes in the partition plate.

further, the rear end cover 2 is sleeved at the rear end of the shell 1, and a rear port sealing ring is arranged between the rear end cover 2 and the outer wall of the shell 1.

Further, a rear end bearing is arranged in a rear end bearing seat 25 of the rear end cover 2, a front end bearing is arranged at a rotating hole of the front end cover 3, and two ends of the rotating shaft 4 are respectively arranged in the rear end bearing and the front end bearing in a matching manner.

The invention designs a multifunctional motor for a large submersible pump with high-efficiency heat dissipation, wherein the two ends of a motor shell are respectively connected with a front end cover and a rear end cover in a sealing manner, a first heat dissipation hole is circumferentially distributed on a partition plate of the rear end cover, a second heat dissipation hole is circumferentially distributed on a positioning ring, the positioning ring is positioned in the rear end opening of a wind guide flow passage, the first heat dissipation hole and the second heat dissipation hole are convenient for heat in the shell to be dissipated outwards, and the positioning ring realizes the positioning of a heat guide sleeve; the front end cover is provided with the fan, heat air is conveyed to the heat conduction pipe, the heat is taken away through the heat conduction pipe, the whole sealing performance is good, two heat dissipation modes of air cooling and water cooling are provided simultaneously, and the heat dissipation efficiency is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A multifunctional motor for a large submersible pump with high-efficiency heat dissipation comprises a shell (1), a rotating shaft (4), a motor rotor (5) and a motor stator (6), wherein the shell (1) is cylindrical, the rotating shaft (4) is coaxially arranged in a middle cavity of the shell, and the front end of the rotating shaft (4) extends out of the shell (1); the coaxial cover of electric motor rotor (5) is established at the middle part of pivot (4), coaxial cover of motor stator (6) is established in the periphery of electric motor rotor (5) and is located casing (1), its characterized in that:
a heat conduction sleeve is coaxially sleeved in the middle of the shell (1), the motor stator (6) is arranged on the annular inner wall of the heat conduction sleeve, and an annular air guide flow channel (11) is formed between the outer wall of the heat conduction sleeve and the inner wall of the shell (1); the rear end of the shell (1) is provided with a rear end cover (2);
The rear end cover (2) is in a round cover shape, and a partition plate is arranged in the middle of the rear end cover in the radial direction; an annular rear end bearing seat (25) is arranged in the middle of the inner end face of the partition plate, and a positioning ring (24) is coaxially arranged on the inner end face of the partition plate outside the rear end bearing seat (25); a first heat dissipation hole (26) is circumferentially distributed on the partition plate between the rear end bearing seat (25) and the positioning ring (24), a second heat dissipation hole (241) is circumferentially distributed on the positioning ring (24), and the positioning ring (24) is positioned in the rear end opening of the air guide flow channel (11);
A vortex-shaped heat conduction pipe (22) is arranged on the outer end face of the partition plate, a liquid inlet pipe (21) and a liquid outlet pipe (23) are respectively arranged at two ends of the heat conduction pipe (22), and the outer ends of the liquid inlet pipe (21) and the liquid outlet pipe (23) extend out of the rear end cover (2);
the front end of the shell (1) is provided with a front end cover (3), the middle part of the front end cover (3) is provided with a rotating hole, and the output end of the rotating shaft (4) extends out of the rotating hole; circular mounting grooves are recessed on two sides of the inner end face of the front end cover (3), and a fan (31) is arranged in each mounting groove; the bottom end of the inner end face of the front end cover (3) is provided with a battery compartment, a dry battery is arranged in the battery compartment, and the dry battery is electrically connected with the fan (31).
2. the multifunctional motor for the large submersible pump with the efficient heat dissipation function as claimed in claim 1, wherein: the front end of the shell (1) is sunken to form a positioning table (12), two threaded holes which are oppositely formed are formed in the positioning table (12), two bolts are arranged on the front end cover (3), and threaded sections of the bolts are screwed in the corresponding threaded holes.
3. The multifunctional motor for the large submersible pump with the efficient heat dissipation function as claimed in claim 2, wherein: and a front port sealing ring is attached to the end face of the positioning table (12).
4. The multifunctional motor for the large submersible pump with the efficient heat dissipation function as claimed in claim 1, wherein: the inner ends of the liquid inlet pipe (21) and the liquid outlet pipe (23) are connected with connecting columns which are fixedly connected with the partition plate, the middle parts of the connecting columns are provided with connecting holes, and connecting bolts are arranged in the connecting holes; the partition plate is provided with a pair of screw holes, the pair of screw holes respectively correspond to connecting columns at the inner ends of the liquid inlet pipe (21) and the liquid outlet pipe (23), and connecting bolts in the connecting holes are spirally connected in the corresponding screw holes in the partition plate.
5. The multifunctional motor for the large submersible pump with the efficient heat dissipation function as claimed in claim 1, wherein: the rear end cover (2) is sleeved at the rear end of the shell (1), and a rear port sealing ring is arranged between the rear end cover (2) and the outer wall of the shell (1).
6. The multifunctional motor for the large submersible pump with the efficient heat dissipation function as claimed in claim 1, wherein: the rear end bearing seat (25) of the rear end cover (2) is internally provided with a rear end bearing, the rotating hole of the front end cover (3) is provided with a front end bearing, and two ends of the rotating shaft (4) are respectively arranged in the rear end bearing and the front end bearing in a matching way.
CN201710893596.6A 2017-09-28 2017-09-28 high-efficient radiating multi-functional motor for large-scale immersible pump CN107659053B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710893596.6A CN107659053B (en) 2017-09-28 2017-09-28 high-efficient radiating multi-functional motor for large-scale immersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710893596.6A CN107659053B (en) 2017-09-28 2017-09-28 high-efficient radiating multi-functional motor for large-scale immersible pump

Publications (2)

Publication Number Publication Date
CN107659053A CN107659053A (en) 2018-02-02
CN107659053B true CN107659053B (en) 2019-12-13

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Family Applications (1)

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CN201710893596.6A CN107659053B (en) 2017-09-28 2017-09-28 high-efficient radiating multi-functional motor for large-scale immersible pump

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147446A (en) * 2002-10-25 2004-05-20 Mitsubishi Heavy Ind Ltd Cooling structure of rotating machine
CN201349151Y (en) * 2009-01-23 2009-11-18 佳木斯电机股份有限公司 Megawatt-level variable-speed constant-frequency double fed asynchronous wind power generator
CN101685998A (en) * 2008-09-16 2010-03-31 六逸科技股份有限公司 Motor with heat dissipation device
CN205231911U (en) * 2015-12-25 2016-05-11 山东富美达新材料有限公司 Immersible pump is with heat dissipation motor
CN205811822U (en) * 2016-07-27 2016-12-14 江西双威电机有限公司 A kind of threephase asynchronous machine with heat sinking function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147446A (en) * 2002-10-25 2004-05-20 Mitsubishi Heavy Ind Ltd Cooling structure of rotating machine
CN101685998A (en) * 2008-09-16 2010-03-31 六逸科技股份有限公司 Motor with heat dissipation device
CN201349151Y (en) * 2009-01-23 2009-11-18 佳木斯电机股份有限公司 Megawatt-level variable-speed constant-frequency double fed asynchronous wind power generator
CN205231911U (en) * 2015-12-25 2016-05-11 山东富美达新材料有限公司 Immersible pump is with heat dissipation motor
CN205811822U (en) * 2016-07-27 2016-12-14 江西双威电机有限公司 A kind of threephase asynchronous machine with heat sinking function

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