CN110429753B

CN110429753B - Noise-reduction motor easy to dissipate heat

Info

Publication number: CN110429753B
Application number: CN201910746616.6A
Authority: CN
Inventors: 戚荣华; 赵军
Original assignee: Yangzhou Jiechen Electromechanical Technology Co ltd
Current assignee: Yangzhou Jiechen Electromechanical Technology Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-08-07
Anticipated expiration: 2039-08-14
Also published as: CN110429753A

Abstract

The invention relates to the technical field of motors and discloses a novel noise-reducing and heat-dissipating motor which comprises a base, wherein a shell is fixedly mounted at the top of the base, an isolation ring is fixedly mounted inside the shell, a partition plate with one end fixedly connected with the base is fixedly mounted inside the isolation ring, a fixing ring is fixedly mounted on the left side inside the shell, a first bearing is fixedly mounted inside the fixing ring, and a rotating shaft is fixedly mounted inside the first bearing. This novel easy heat dissipation motor of making an uproar falls possesses advantages such as the radiating effect is good and the noise reduction, has solved present motor and has had two big problems usually in the use, and firstly the motor rotates the in-process, and the motor can produce the noise, and secondly the motor can produce a large amount of heat energy when using, and the forced air cooling is though can effectual solution partial motor's heat dissipation problem, but the inside of motor is also got into very easily to the dust for the problem of the wearing and tearing speed of motor internals.

Description

Noise-reduction motor easy to dissipate heat

Technical Field

The invention relates to the technical field of motors, in particular to a noise-reducing and heat-dissipating motor.

Background

An Electric machine (also known as "motor") is an electromagnetic device that converts or transmits Electric energy according to the electromagnetic induction law, the Electric machine is represented by a letter M (old standard is D) in a circuit, the Electric machine mainly functions to generate driving torque as a power source of electrical appliances or various machines, a generator is represented by a letter G in a circuit, the Electric machine mainly functions to convert mechanical energy into Electric energy, the direction of the conductor stress is determined by the left-hand rule, the pair of electromagnetic forces forms a moment acting on the armature, which moment is referred to as electromagnetic torque in the rotating machine, the direction of the torque being counter-clockwise, attempting to turn the armature counter-clockwise, if the electromagnetic torque is able to overcome the resistive torque on the armature (e.g., friction-induced resistive torque and other loading torques), the armature can rotate in a counterclockwise direction.

According to chinese patent CN201710127416.3, a motor with a heat dissipation device is provided, the noise-reduction and heat-dissipation motor has an air cooling structure added in the motor, so that the heat dissipation of the noise-reduction and heat-dissipation motor is improved, the motor usually has two problems in the use process at present, firstly, the motor rotates in the process, noise can be generated, secondly, the motor can generate a large amount of heat energy when in use, although air cooling can effectively solve the heat dissipation problem of part of the motor, dust also easily enters the inside of the motor, the abrasion speed of the internal parts of the motor is accelerated, so that the noise-reduction and heat-dissipation motor is provided to solve the problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the noise-reducing and heat-dissipating motor which has the advantages of good heat-dissipating effect, noise reduction and the like, and solves two problems that the existing motor usually has two problems in the use process, namely, the motor generates noise in the rotation process, the motor generates a large amount of heat energy in the use process, and the air cooling can effectively solve the heat-dissipating problem of part of the motor, but dust easily enters the motor, so that the abrasion speed of internal parts of the motor is increased.

(II) technical scheme

In order to achieve the purposes of good heat dissipation effect and noise reduction, the invention provides the following technical scheme: a noise-reducing and heat-dissipating motor comprises a base, wherein a casing is fixedly mounted at the top of the base, an isolation ring is fixedly mounted in the casing, a partition plate with one end fixedly connected with the base is fixedly mounted in the isolation ring, a fixing ring is fixedly mounted at the left side in the casing, a first bearing is fixedly mounted in the fixing ring, a rotating shaft is fixedly mounted in the first bearing, sealing plates movably connected with the rotating shaft are fixedly mounted at the left side and the right side of the fixing ring, a second bearing fixedly connected with the rotating shaft is fixedly mounted at the right side in the casing, a sealing disc positioned at the right side of the second bearing is fixedly mounted at the right side in the casing, a stator positioned at one side opposite to the first bearing and the second bearing is fixedly mounted in the casing, a rotor positioned at the inner side of the stator is fixedly mounted at the, the right side fixed mounting of casing has the auxiliary housing, the right side fixed mounting of auxiliary housing has the collar, the inside fixed mounting of collar has the semiconductor refrigeration piece, lateral wall fixed mounting has temperature sensor behind the inside of auxiliary housing, the top fixed mounting of base has the miniature pump that is located the casing right side, miniature pump's input is linked together through oral siphon and auxiliary housing, the right side fixed mounting of auxiliary housing has the cooling tube, the louvre has been seted up on the right side of cooling tube, the inside left side wall fixed mounting of cooling tube has the connecting axle, the left side fixed mounting of connecting axle has the fan.

Preferably, the outer side of the isolation ring forms a sealed vacuum cavity with the casing, and the thickness of the vacuum cavity is not less than one centimeter.

Preferably, the inside of the isolating ring forms a sealed water circulation chamber with the casing, and the partition plate is located inside the water circulation chamber.

Preferably, the partition plate is made of stainless steel and is in a spiral shape.

Preferably, the output end of the micro water pump is communicated with the water circulation cavity through a conveying pipe, and the conveying pipe is located inside the base.

Preferably, the auxiliary shell and the water circulation cavity are communicated through a circulation pipe, and the circulation pipe penetrates through the machine shell.

Preferably, the mounting ring is internally provided with a mounting groove, and the semiconductor refrigeration piece is positioned in the mounting groove.

Preferably, the radiating holes are arranged at equal intervals and are positioned on the right side of the fan.

Preferably, the fan is positioned on the right side of the semiconductor refrigeration piece, and the sealing disc is not in contact with the rotating shaft.

(III) advantageous effects

Compared with the prior art, the invention provides a noise-reducing and heat-dissipating motor, which has the following beneficial effects:

1. this motor of easily dispelling heat of making an uproar falls, when the motor carries out the during operation, the pivot and the rotor of motor can continue to rotate, pivot and rotor produce the electromagnetism and make an uproar at the rotation in-process, what take place in the radial weight of the iron core of stator by the air gap magnetic field effect first, it propagates through the yoke, make stator core take place the vibration deformation, secondly is the tangential force of air gap magnetic field, it is opposite with electromagnetic torque, make the iron core tooth part deformation vibration of stator, when radial electromagnetic force ripples is close with the natural frequency of stator, will arouse resonance, make the vibration produce the noise, when the noise passes through the casing, the propagation of the inside vacuum cavity of casing can effectual isolated sound, thereby reached the purpose of noise reduction.

2. When heat is generated inside the motor, the semiconductor refrigerating sheet can be electrified to cool the cooling liquid inside the auxiliary shell, the heating surface of the semiconductor refrigerating sheet generates heat, the cooling liquid is cooled by the refrigerating surface of the semiconductor refrigerating sheet, the micro water pump extracts the cooling liquid inside the auxiliary shell and conveys the cooling liquid to the inside of the water circulation cavity through the conveying pipe, when the cooling liquid inside the water circulation cavity passes through, the heat of the shell is absorbed, the temperature around the shell is reduced, the heat is dissipated inside the motor, the water circulation cavity finishes the circulation of the shell according to the distribution of the partition plates and returns to the inside of the auxiliary shell through the circulating pipe, the continuous cooling of the shell is realized, the heat dissipation effect is achieved, and the temperature sensor monitors the temperature of the cooling liquid inside the auxiliary shell in real time, the fan dispels the heat to the face that heats of semiconductor refrigeration piece to avoided the dust to enter into the motor, caused wearing and tearing to the motor inner part, made the motor more suitable.

Drawings

Fig. 1 is a schematic structural view of a noise-reducing and heat-dissipating motor according to the present invention;

fig. 2 is a schematic structural diagram of a noise-reducing and heat-dissipating motor separator according to the present invention.

In the figure: the device comprises a base 1, a machine shell 2, a vacuum cavity 3, an isolation ring 4, a partition plate 5, a water circulation cavity 6, a delivery pipe 7, a miniature water pump 8, a water inlet pipe 9, an auxiliary shell 10, a fixing ring 11, a sealing plate 12, a rotating shaft 13, a first bearing 14, a rotor 15, a stator 16, a circulating pipe 17, an installation ring 18, heat dissipation holes 19, a fan 20, a connecting shaft 21, a heat dissipation pipe 22, a semiconductor refrigeration piece 23, a temperature sensor 24, a sealing disc 25 and a second bearing 26.

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. 1-2, the present invention provides the following technical solutions: a noise-reducing and heat-dissipating motor comprises a base 1, a casing 2 is fixedly installed at the top of the base 1, an isolation ring 4 is fixedly installed inside the casing 2, a sealed vacuum cavity 3 is formed between the outer side of the isolation ring 4 and the casing 2, the thickness of the vacuum cavity 3 is not less than one centimeter, a partition plate 5 with one end fixedly connected with the base 1 is fixedly installed inside the isolation ring 4, a sealed water circulation cavity 6 is formed between the inside of the isolation ring 4 and the casing 2, the partition plate 5 is located inside the water circulation cavity 6, the partition plate 5 is made of stainless steel, the partition plate 5 is spiral, a fixing ring 11 is fixedly installed at the left side inside the casing 2, a first bearing 14 is fixedly installed inside the fixing ring 11, a rotating shaft 13 is fixedly installed inside the first bearing 14, sealing plates 12 movably connected with the rotating shaft 13 are fixedly installed at the left side and the right side of the fixing ring 11, a second bearing 26 fixedly connected with the rotating shaft 13, a sealing disc 25 positioned on the right side of a second bearing 26 is fixedly arranged on the right side of the inside of the machine shell 2, a stator 16 positioned on one side of the first bearing 14 opposite to the second bearing 26 is fixedly arranged in the machine shell 2, a rotor 15 positioned on the inner side of the stator 16 is fixedly arranged on the outer side of the rotating shaft 13, an auxiliary shell 10 is fixedly arranged on the right side of the machine shell 2, a mounting ring 18 is fixedly arranged on the right side of the auxiliary shell 10, a semiconductor refrigerating sheet 23 is fixedly arranged in the mounting ring 18, a temperature sensor 24 is fixedly arranged on the rear side wall of the inside of the auxiliary shell 10, the type of the temperature sensor 24 can be HK-TTC, a micro-water pump 8 positioned on the right side of the machine shell 2 is fixedly arranged on the top of the base 1, the type of the micro-water pump 8 can be DY-2203, the output end of the micro-water pump 8 is communicated with the, the auxiliary shell 10 is communicated with the water circulation cavity 6 through the circulation pipe 17, the circulation pipe 17 penetrates through the machine shell 2, the right side of the auxiliary shell 10 is fixedly provided with a radiating pipe 22, the right side of the radiating pipe 22 is provided with a radiating hole 19, the left side wall inside the radiating pipe 22 is fixedly provided with a connecting shaft 20, the inside of the mounting ring 18 is provided with a mounting groove, the semiconductor refrigerating sheet 23 is positioned inside the mounting groove, the left side of the connecting shaft 21 is fixedly provided with a fan 20, the radiating holes 19 are arranged at equal intervals, the radiating holes 19 are positioned on the right side of the fan 20, the fan 20 is positioned on the right side of the semiconductor refrigerating sheet 23, the sealing disc 25 is not contacted with the rotating shaft 13, when the motor works, the rotating shaft 13 and the rotor 15 of the motor can continue to rotate, the rotating shaft 13 and the rotor 15 generate electromagnetic noise during the rotation process, the stator core is vibrated and deformed by the propagation of a magnet yoke, and then tangential force of an air gap magnetic field is opposite to electromagnetic torque, so that the tooth part of the core of a stator 16 is deformed and vibrated, when radial electromagnetic force waves are close to the natural frequency of the stator, resonance is caused, the vibration generates noise, when the noise passes through a machine shell 2, a vacuum cavity 3 in the machine shell 2 can effectively isolate the propagation of sound, thereby achieving the purpose of reducing the noise, when heat is generated in the motor, the semiconductor refrigerating sheet 23, a fan 20 and a micro water pump 8 can be electrified, the semiconductor refrigerating sheet 23 cools cooling liquid in an auxiliary shell 10 after being electrified, meanwhile, the heating surface of the semiconductor refrigerating sheet 23 generates heat, after the cooling liquid is cooled by the refrigerating surface of the semiconductor sheet 23, the micro water pump 8 extracts the cooling liquid in the auxiliary shell 10 and conveys the cooling liquid to the inside of a water circulation cavity 6 through a conveying pipe 7, when 6 inside coolants in hydrologic cycle chamber pass through, absorb the heat of casing 2, make casing 2 ambient temperature reduce, thereby dispel the heat to motor inside, hydrologic cycle chamber 6 is according to 5 the inside that returns sub-shell 10 through circulating pipe 17 after the circulation of the distribution completion casing 2 of baffle 5, the operation is repeated in proper order, the realization is to the continuous cooling of casing 2, reach radiating effect, temperature sensor 24 carries out real time monitoring to the temperature of the inside coolant liquid of sub-shell 10, fan 20 dispels the heat to the heating face of semiconductor refrigeration piece 23, thereby avoided the dust to enter into the motor, cause wearing and tearing to the motor inner part, make the motor more suitable for.

In summary, in the noise-reducing and heat-dissipating motor, when the motor is operated, the rotating shaft 13 and the rotor 15 of the motor continue to rotate, and the rotating shaft 13 and the rotor 15 generate electromagnetic noise in the rotation process, which is generated by the air-gap magnetic field effect on the radial weight of the iron core of the stator 16, and the electromagnetic noise is propagated through the magnetic yoke, so that the stator iron core generates vibration deformation, and then the tangential force of the air-gap magnetic field, which is opposite to the electromagnetic torque, causes the iron core teeth of the stator 16 to deform and vibrate, when the radial electromagnetic force wave is close to the natural frequency of the stator, resonance is caused, so that the vibration generates noise, and when the noise passes through the casing 2, the vacuum cavity 3 inside the casing 2 can effectively isolate the propagation of sound, thereby achieving the purpose of reducing the noise, when the heat is generated inside the motor, the semiconductor cooling plate 23, the fan 20 and the micro-water pump 8 can be energized, so as to cool the cooling liquid, meanwhile, the heating surface of the semiconductor refrigerating sheet 23 generates heat, after the cooling liquid is cooled by the refrigerating surface of the semiconductor refrigerating sheet 23, the micro water pump 8 extracts the cooling liquid in the auxiliary shell 10 and conveys the cooling liquid to the inside of the water circulation cavity 6 through the conveying pipe 7, when the cooling liquid in the water circulation cavity 6 passes through, the heat of the shell 2 is absorbed, the temperature around the shell 2 is reduced, so that the heat is dissipated inside the motor, the water circulation cavity 6 completes the circulation of the shell 2 according to the distribution of the partition plates 5 and then returns to the inside of the auxiliary shell 10 through the circulating pipe 17, the operation is repeated in sequence, the continuous cooling of the shell 2 is realized, the heat dissipation effect is achieved, the temperature sensor 24 carries out real-time monitoring on the temperature of the cooling liquid in the auxiliary shell 10, the fan 20 dissipates the heat of the heating surface of the semiconductor refrigerating sheet 23, thereby avoiding the dust from entering the motor and causing abrasion to, the problem of present motor have two big problems usually in the use is solved, firstly the motor rotates the in-process, can produce the noise, secondly the motor can produce a large amount of heat energy when using, and the forced air cooling can effectual solution part motor the heat dissipation problem, but the dust also gets into the inside of motor very easily for the problem of the wearing and tearing speed of motor internals.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a motor that easily dispels heat of making an uproar falls, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a casing (2), the interior of the casing (2) is fixedly provided with an isolation ring (4), the interior of the isolation ring (4) is fixedly provided with a partition plate (5) with one end fixedly connected with the base (1), the interior of the casing (2) is fixedly provided with a fixing ring (11) on the left side, the interior of the fixing ring (11) is fixedly provided with a first bearing (14), the interior of the first bearing (14) is fixedly provided with a rotating shaft (13), the left side and the right side of the fixing ring (11) are both fixedly provided with a sealing plate (12) movably connected with the rotating shaft (13), the interior of the casing (2) on the right side is fixedly provided with a second bearing (26) fixedly connected with the rotating shaft (13), the interior of the casing (2) on the right side is fixedly provided with a sealing disc (25, the utility model discloses a miniature water pump, including casing (2), the inside fixed mounting of casing (2) has stator (16) that is located first bearing (14) and the relative one side of second bearing (26), the outside fixed mounting of pivot (13) has rotor (15) that is located stator (16) inboard, the right side fixed mounting of casing (2) has sub-casing (10), the right side fixed mounting of sub-casing (10) has collar (18), the inside fixed mounting of collar (18) has semiconductor refrigeration piece (23), the inside back lateral wall fixed mounting of sub-casing (10) has temperature sensor (24), the top fixed mounting of base (1) has miniature water pump (8) that is located casing (2) right side, the input of miniature water pump (8) is linked together through oral siphon (9) and sub-casing (10), the right side fixed mounting of sub-casing (10) has cooling tube (22), a radiating hole (19) is formed in the right side of the radiating pipe (22), a connecting shaft (20) is fixedly mounted on the left side wall inside the radiating pipe (22), and a fan (20) is fixedly mounted on the left side of the connecting shaft (21);

the outer side of the isolating ring (4) and the shell (2) form a sealed vacuum cavity (3), the thickness of the vacuum cavity (3) is not less than one centimeter,

the inside of the isolation ring (4) and the shell (2) form a sealed water circulation cavity (6), and the partition plate (5) is positioned inside the water circulation cavity (6).

2. The noise-reducing and heat-dissipating motor of claim 1, wherein: the partition plate (5) is made of stainless steel, and the partition plate (5) is spiral.

3. The noise-reducing and heat-dissipating motor of claim 1, wherein: the output end of the miniature water pump (8) is communicated with the water circulation cavity (6) through a conveying pipe (7), and the conveying pipe (7) is positioned inside the base (1).

4. The noise-reducing and heat-dissipating motor of claim 1, wherein: the auxiliary shell (10) is communicated with the water circulation cavity (6) through a circulation pipe (17), and the circulation pipe (17) penetrates through the machine shell (2).

5. The noise-reducing and heat-dissipating motor of claim 1, wherein: the mounting ring (18) is internally provided with a mounting groove, and the semiconductor refrigeration piece (23) is positioned in the mounting groove.

6. The noise-reducing and heat-dissipating motor of claim 1, wherein: the radiating holes (19) are arranged at equal intervals, and the radiating holes (19) are positioned on the right side of the fan (20).

7. The noise-reducing and heat-dissipating motor of claim 1, wherein: the fan (20) is positioned on the right side of the semiconductor refrigeration sheet (23), and the sealing disc (25) is not in contact with the rotating shaft (13).