CN110198098B - Mute motor with inner shell cooling function - Google Patents

Mute motor with inner shell cooling function Download PDF

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Publication number
CN110198098B
CN110198098B CN201910466054.XA CN201910466054A CN110198098B CN 110198098 B CN110198098 B CN 110198098B CN 201910466054 A CN201910466054 A CN 201910466054A CN 110198098 B CN110198098 B CN 110198098B
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motor
shell body
plate
fixed
inner shell
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CN110198098A (en
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晋小琴
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Jieyang Yongbao Electromechanical Technology Co., Ltd
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Jieyang Yongbao Electromechanical Technology Co Ltd
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    • 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
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a silent motor with an inner shell cooling function, which comprises a motor shell body, a radiating fin body, a base plate and a bottom sleeve, wherein the radiating fin body is arranged on the outer wall of the motor shell body, the upper end surface of a sliding sleeve is mutually connected with the bottom of an ejector rod, the top of the ejector rod is arranged on the inner side of a supporting leg, the bottom end of the supporting leg is arranged in an installation plate, the edge side of the bottom of the supporting leg is attached to a second working sheet, the second working sheet is fixed in the installation plate, inner grooves are formed in the lower end surface of the installation plate and the upper end surface of the base plate, balls are arranged in the inner grooves, and. This silence motor with inner shell cooling function adopts neotype structural design for this device can carry out effectual heat dissipation to the inner shell body of motor when installing sound absorbing structure additional, and has designed the better shock-absorbing structure of result of use, can carry out effectual absorption to the vibrations that the motor during operation produced and offset, thereby reduce the noise that produces.

Description

Mute motor with inner shell cooling function
Technical Field
The invention relates to the technical field of silent motors, in particular to a silent motor with an inner shell cooling function.
Background
The mute motor is a motor which generates noise and vibrates less than a common motor during working, the precision degree of the processing of internal parts is higher, and a damping and noise reducing structure is usually arranged, and the mute motor is widely applied to a plurality of indoor devices and machines due to the characteristic of low noise, thereby greatly reducing the influence on the indoor sound environment when the related devices and machines work.
With the continuous installation and use of the mute motor, the following problems still exist in the existing mute motor:
1. the traditional silent motor is only simply additionally provided with materials such as foam and the like to reduce the sound transmitted during working, the noise reduction effect is poor, and the noise reduction materials additionally arranged such as the foam and the like can influence the heat dissipation of the motor;
2. the damping structure of traditional silence motor designs simply, can't carry out effectual absorption to the vibrations that the motor during operation produced and offset.
Therefore, it is necessary to design a silent motor having a function of cooling the inner casing in response to the above-identified problems.
Disclosure of Invention
The invention aims to provide a mute motor with an inner shell cooling function, and aims to solve the problems that the noise reduction material additionally arranged in the background art influences the heat dissipation of the motor, the damping structure is simple in design, and the damping effect is poor.
In order to achieve the purpose, the invention provides the following technical scheme: a silent motor with an inner shell cooling function comprises a motor shell body, a radiating fin body, a base plate and a bottom sleeve, wherein the outer wall of the motor shell body is provided with the radiating fin body, the inner side of the motor shell body is provided with a damping sound-insulating vibration-damping cushion layer, the inner side of the damping sound-insulating vibration-damping cushion layer is attached to the outer wall of the inner shell body, the inner shell body is fixed in the motor shell body, a connecting cylinder is fixed on the inner shell body and penetrates through the motor shell body and the damping sound-insulating vibration-damping cushion layer, the outer wall of the connecting cylinder is connected with the motor shell body, the top of the connecting cylinder is fixed on the inner side of an outer covering plate, an outer radiating plate is fixed on the outer side of the outer covering plate, the inner side of the outer covering plate is attached to the top of the radiating fin body, supporting legs are arranged at the, and the middle part is fixed with coupling spring on the fixed plate, install the sliding sleeve on the fixed plate, and the sliding sleeve avris is fixed with the side spring to side spring and the inboard interconnect of supporting leg, the upper end face and the bottom interconnect of ejector pin of sliding sleeve, and the ejector pin top is installed at the supporting leg inboardly to be fixed with first workplace on the sliding sleeve, laminating with motor housing body bottom at first workplace top simultaneously, the supporting leg bottom is installed in the mounting panel, and supporting leg bottom avris and the laminating of second workplace, and the second workplace is fixed in the mounting panel, the inside groove has all been seted up to the lower terminal surface of mounting panel and the up end of base plate, and is provided with the ball in the inside groove to the base plate is.
Preferably, the motor housing body, the radiating fin body and the supporting legs are of an integrated structure made of cast iron, the inner side of the motor housing body is attached to the outer side of the damping sound insulation vibration-stopping cushion layer, and the damping sound insulation vibration-stopping cushion layer is made of butyl rubber.
Preferably, the inner wall of the inner shell body close to the center and the copper outer heat dissipation plate are both wave-shaped, the inner shell body is of a hollow cylindrical structure, the copper outer covering plate is in welded connection with the connecting cylinder, and the connecting cylinder is in welded connection with the inner shell body.
Preferably, the outside of fixed plate covers there is outer coating, and the material of outer coating is graphite to the fixed plate is around motor housing body symmetric distribution, and the fixed plate is sliding connection with the sliding sleeve simultaneously.
Preferably, the ejector rod forms a rotating mechanism through a cylindrical shaft installed at the top of the ejector rod and the supporting leg, the ejector rod forms a rotating mechanism through a cylindrical shaft installed at the bottom of the ejector rod and the sliding sleeve, and the sliding sleeve is in welded connection with the first working piece.
Preferably, first workplace and second workplace are curved spring steel sheet, and the second workplace is about the supporting leg symmetric distribution to the supporting leg is sliding connection with the mounting panel, and the material of mounting panel is high-speed steel simultaneously.
Preferably, the length of the inner groove is larger than the diameter of the ball, and the ball is a high-speed steel ball coated with a rubber layer.
Preferably, the base plate and the bottom sleeve are connected in a welding mode, the vertical part of the bottom sleeve made of high-speed steel is covered with rubber, and the base plate is made of high-speed steel.
Compared with the prior art, the invention has the beneficial effects that: the mute motor with the inner shell cooling function adopts a novel structural design, so that the device can effectively dissipate heat of an inner shell body of the motor while additionally installing a sound absorption structure, and a shock absorption structure with a better using effect is designed, so that shock generated when the motor works can be effectively absorbed and offset;
1. the damping sound insulation and vibration damping cushion layer, the connecting cylinder, the outer covering plate and the outer heat dissipation plate are matched with one another to work, so that the situation that the temperature cannot be timely dissipated due to the filling material can be avoided while sound is effectively absorbed, and the heat of the inner shell body can be rapidly dissipated;
2. the fixed plate, the connecting spring, the sliding sleeve, the side spring, the ejector rod, the first working piece, the mounting plate, the second working piece, the inner groove, the balls, the base plate and the bottom sleeve can effectively absorb and offset vibration generated during the working of the motor.
Drawings
FIG. 1 is a schematic view of a front sectional structure of a motor housing body according to the present invention;
FIG. 2 is a schematic front sectional view of the inner housing body according to the present invention;
FIG. 3 is a schematic top view of the outer heat sink of the present invention;
FIG. 4 is a schematic side sectional view of a fixing plate according to the present invention;
FIG. 5 is a schematic view of the front cross-sectional structure of the mounting plate of the present invention;
FIG. 6 is a schematic top view of a substrate according to the present invention.
In the figure: 1. a motor housing body; 2. a heat radiating fin body; 3. damping sound insulation vibration damping cushion layer; 4. an inner shell body; 5. a connecting cylinder; 6. covering the cover plate; 7. an outer heat sink; 8. supporting legs; 9. a fixing plate; 901. an outer cover; 10. a connecting spring; 11. a sliding sleeve; 12. a side spring; 13. a top rod; 14. a first work piece; 15. mounting a plate; 16. a second work piece; 17. an inner tank; 18. a ball bearing; 19. a substrate; 20. a bottom cover.
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. 1-6, the present invention provides a technical solution: a silent motor with an inner shell cooling function comprises a motor outer shell body 1, a radiating fin body 2, a damping sound-insulating vibration-stopping cushion layer 3, an inner shell body 4, a connecting cylinder 5, an outer covering plate 6, an outer radiating plate 7, supporting legs 8, a fixing plate 9, an outer covering layer 901, a connecting spring 10, a sliding sleeve 11, side springs 12, a push rod 13, a first working sheet 14, a mounting plate 15, a second working sheet 16, an inner groove 17, balls 18, a base plate 19 and a bottom sleeve 20, wherein the radiating fin body 2 is arranged on the outer wall of the motor outer shell body 1, the damping sound-insulating vibration-stopping cushion layer 3 is arranged on the inner side of the motor outer shell body 1, the inner side of the damping sound-insulating vibration-stopping cushion layer 3 is attached to the outer wall of the inner shell body 4, the inner shell body 4 is fixed in the motor outer shell body 1, the connecting cylinder 5 is fixed on the inner shell body 4, and, and the outer wall of the connecting cylinder 5 is connected with the motor housing body 1, the top of the connecting cylinder 5 is fixed at the inner side of the outer covering plate 6, the outer side of the outer covering plate 6 is fixed with an outer heat radiation plate 7, and the inner side of the outer covering plate 6 is attached to the top of the heat radiation fin body 2, the bottom of the motor housing body 1 is provided with a supporting leg 8, the inner side of the supporting leg 8 is fixed with a fixing plate 9, the middle part of the fixing plate 9 is fixed with a connecting spring 10, the fixing plate 9 is provided with a sliding sleeve 11, the side of the sliding sleeve 11 is fixed with a side spring 12, the side spring 12 is connected with the inner side of the supporting leg 8, the upper end surface of the sliding sleeve 11 is connected with the bottom of an ejector rod 13, the top of the ejector rod 13 is installed at the inner side of the supporting leg 8, the sliding sleeve 11 is fixed with, and the bottom edge side of the supporting leg 8 is attached to the second working sheet 16, the second working sheet 16 is fixed in the mounting plate 15, the lower end surface of the mounting plate 15 and the upper end surface of the substrate 19 are both provided with an inner groove 17, the inner groove 17 is internally provided with a ball 18, and the substrate 19 is fixed in the bottom sleeve 20.
In the embodiment, the motor outer shell body 1, the radiating fin body 2 and the supporting legs 8 are of an integrated structure made of cast iron, the inner side of the motor outer shell body 1 is attached to the outer side of the damping sound-insulating vibration-stopping cushion layer 3, and the damping sound-insulating vibration-stopping cushion layer 3 is made of butyl rubber;
the inner wall of the inner shell body 4 close to the center and the copper outer heat dissipation plate 7 are both arranged in a wave shape, the inner shell body 4 is of a hollow cylindrical structure, the copper outer covering plate 6 is in welded connection with the connecting cylinder 5, the connecting cylinder 5 is in welded connection with the inner shell body 4, cooling oil can be added into the hollow cylindrical inner shell body 4, the contact area between the cooling oil and the inner side outer wall of the inner shell body 4 is increased due to the design of the wave-shaped inner wall, and the wave-shaped inner wall is matched with the copper outer covering plate 6, so that the rapid heat transfer and dissipation are facilitated;
the outer side of the fixing plate 9 is covered with an outer coating 901, the outer coating 901 is made of graphite, the fixing plate 9 is symmetrically distributed about the motor housing body 1, and meanwhile, the fixing plate 9 and the sliding sleeve 11 are in sliding connection, the outer coating 901 plays a role in reducing resistance, so that the sliding sleeve 11 can receive small resistance when sliding displacement occurs due to vibration, and the side spring 12 and the first working piece 14 can work normally;
the ejector rod 13 and the supporting leg 8 form a rotating mechanism through a cylindrical shaft installed at the top of the ejector rod 13, the ejector rod 13 and the sliding sleeve 11 form a rotating mechanism through a cylindrical shaft installed at the bottom of the ejector rod 13, and the sliding sleeve 11 and the first working piece 14 are in welded connection;
the first working sheet 14 and the second working sheet 16 are both arc-shaped spring steel sheets, the second working sheets 16 are symmetrically distributed about the supporting legs 8, the supporting legs 8 are in sliding connection with the mounting plate 15, meanwhile, the mounting plate 15 is made of high-speed steel, the arc-shaped spring steel sheets have strong elasticity, can effectively absorb vibration, reduce noise generated by vibration of components, are stable in structure, are not prone to being deformed in an unrecoverable mode due to stress, and can be stably used for a long time;
the length of the inner groove 17 is larger than the diameter of the ball 18, and the ball 18 is a high-speed steel ball coated with a rubber layer, the structural design enables the ball 18 and the inner groove 17 to generate relative rolling displacement, so that the mounting plate 15 and the base plate 19 generate relative displacement, and the strength of vibration transmitted to the base plate 19 by the mounting plate 15 is weakened;
the base plate 19 is connected with the bottom sleeve 20 in a welding mode, the vertical portion of the bottom sleeve 20 made of high-speed steel is covered with rubber, the base plate 19 is made of high-speed steel, and the vertical portion of the bottom sleeve 20 covered with rubber can absorb and weaken vibration and prevent the mounting plate 15 from greatly vibrating when colliding with the moving mounting plate 15 due to the structural design.
The working principle is as follows: the device is used for filling cooling oil into the inner shell body 4 through an oil filling port which is arranged at the top of the inner shell body 4 and penetrates through the motor outer shell body 1 in the figure 1, the oil filling port is sealed, the stator and the rotor are installed in the inner shell body 4, the motor outer shell body 1, the radiating fin body 2 and the supporting legs 8 are of an integrated structure made of cast iron, the installation technologies of the stator and the rotor are mature technologies in the prior art and are well known by technicians in the field, and detailed description is not needed;
when the device works integrally, part of the vibration generated by the inner shell body 4 in the figure 1 is transmitted to the motor outer shell body 1 through the damping sound-insulation vibration-stopping cushion layer 3, the damping sound-insulation vibration-stopping cushion layer 3 can effectively weaken the vibration wave, the vibration amplitude transmitted from the inner shell body 4 is small, so the finally generated noise is small, meanwhile, the heat generated by the mounting structure in the inner shell body 4 during working is absorbed by the cooling oil in the inner shell body 4 through the wavy inner wall of the inner shell body 4, is transmitted to the outer cover plate 6 through the inner shell body 4 and the connecting cylinder 5, is then contacted and dissipated with air in a large area through the outer heat dissipation plate 7, the other part of the heat is transmitted to the heat dissipation fin body 2 through the motor outer shell body 1, the heat dissipation fin body 2 is contacted and dissipated with the air, meanwhile, the heat dissipation fin body 2 is contacted with the outer cover plate 6, and the heat, the heat is dissipated through the outer heat dissipation plate 7, so that the effect of multi-path simultaneous quick heat dissipation is achieved, and the temperature of the inner shell body 4 can be quickly reduced;
the other part of the vibration generated by the inner shell body 4 is transmitted to the whole plane of the placing device through the supporting leg 8, when the vibration on the supporting leg 8 is transmitted to the fixing plate 9 in the figure 5, because 2 fixing plates 9 are not directly connected and are connected through the connecting spring 10, the vibration generated by the independent 2 fixing plates 9 is weakened under the action of the connecting spring 10, the resonance is avoided to generate larger noise, and when the vibration on the supporting leg 8 is transmitted to the sliding sleeve 11 through the ejector rod 13, the sliding sleeve 11 can vibrate in a left-right small range on the fixing plate 9, the side spring 12 absorbs the vibration by using the self elasticity and reduces the vibration amplitude of the sliding sleeve 11, and when the 2 sliding sleeve 11 is vibrated and displaced, the vibration is continuously transmitted to the first working sheet 14, the first working sheet 14 is continuously deformed and restored, the vibration is weakened again by using the self elasticity, and the first working sheet 14 is directly attached to the bottom of the motor shell body 1, the effect of absorbing and weakening vibration is also achieved, so that after the supporting legs 8 receive the vibration generated by the motor shell body 1, the final vibration strength is lower, and the noise generated by the vibration is reduced;
the supporting leg 8 transmits smaller vibration downwards, the supporting leg 8 slides in a groove arranged on a mounting plate 15 in figure 5 in a small range when vibrating, a second working sheet 16 at two sides of the bottom of the supporting leg 8 is extruded and deformed when the supporting leg 8 vibrates and displaces, vibration and noise are reduced by using the elasticity of the supporting leg 8, finally, a small part of vibration is transmitted to the mounting plate 15, the mounting plate 15 generates vibration displacement in the horizontal direction, an inner groove 17 of the lower end surface of the mounting plate 15 generates relative displacement with a ball 18, the ball 18 rolls, when rubber at the outer side of the ball 18 is contacted with the inner wall side of the inner groove 17 of the lower end surface of the mounting plate 15, the effect of buffering and vibration reduction is achieved, vibration finally transmitted to a base plate 19 and a bottom sleeve 20 is reduced, and when the mounting plate 15 has larger displacement and collides with a vertical part of the bottom sleeve 20 covered with rubber, the rubber on the bottom sleeve 20 can also buffer, the vibration finally transmitted from the bottom cover 20 is greatly weakened, thereby greatly reducing the vibration and noise generated when the whole device works.
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 (3)

1. The utility model provides a silence motor with inner shell cooling function, includes motor housing body (1), radiating fin body (2), base plate (19) and end cover (20), its characterized in that: the outer wall of the motor outer shell body (1) is provided with a radiating fin body (2), the inner side of the motor outer shell body (1) is provided with a damping sound-insulating vibration-stopping cushion layer (3), the inner side of the damping sound-insulating vibration-stopping cushion layer (3) is attached to the outer wall of the inner shell body (4), the inner shell body (4) is fixed in the motor outer shell body (1), the inner shell body (4) is of a hollow cylindrical structure, a connecting cylinder (5) is fixed on the inner shell body (4), the connecting cylinder (5) is in welded connection with the inner shell body (4), the connecting cylinder (5) penetrates through the motor outer shell body (1) and the damping sound-insulating vibration-stopping cushion layer (3), the outer wall of the connecting cylinder (5) is connected with the motor outer shell body (1), the top of the connecting cylinder (5) is fixed on the inner side of the outer covering plate (6), and the outer covering plate (6) made of copper is in welded connection with the, the outer side of the outer covering plate (6) is fixed with an outer heat radiating plate (7), the inner wall of the inner shell body (4) close to the center and the outer heat radiating plate (7) made of copper are both arranged into waves, the inner side of the outer covering plate (6) is attached to the top of the heat radiating fin body (2), the bottom of the motor shell body (1) is provided with supporting legs (8), the inner sides of the supporting legs (8) are fixed with fixing plates (9), the outer side of each fixing plate (9) is covered with an outer coating (901), the outer coating (901) is made of graphite, the fixing plates (9) are symmetrically distributed relative to the motor shell body (1), the middle parts of the upper parts of the fixing plates (9) are fixed with connecting springs (10), the fixing plates (9) are provided with sliding sleeves (11), the lateral sides of the sliding sleeves (11) are fixed with lateral springs (12), and the lateral springs (12) are, the upper end surface of the sliding sleeve (11) is connected with the bottom of the ejector rod (13), the top of the ejector rod (13) is arranged on the inner side of the supporting leg (8), the ejector rod (13) and the supporting leg (8) form a rotating mechanism through a cylindrical shaft arranged at the top of the ejector rod, the ejector rod (13) and the sliding sleeve (11) form a rotating mechanism through a cylindrical shaft arranged at the bottom of the ejector rod, a first working piece (14) is fixed on the sliding sleeve (11), the top of the first working piece (14) is attached to the bottom end of the motor shell body (1), and the sliding sleeve (11) is connected with the first working piece (14) in a welding mode; the bottom ends of the supporting legs (8) are mounted in the mounting plate (15), the bottom edge sides of the supporting legs (8) are attached to the second working sheets (16), the second working sheets (16) are fixed in the mounting plate (15), the first working sheets (14) and the second working sheets (16) are arc-shaped spring steel sheets, the second working sheets (16) are symmetrically distributed about the supporting legs (8), the supporting legs (8) are in sliding connection with the mounting plate (15), and the mounting plate (15) is made of high-speed steel; the lower end surface of the mounting plate (15) and the upper end surface of the base plate (19) are both provided with an inner groove (17), balls (18) are arranged in the inner groove (17), the length of the inner groove (17) is larger than the diameter of the balls (18), and the balls (18) are high-speed steel balls coated with a rubber layer; and the base plate (19) is fixed in the bottom cover (20).
2. The silent motor with the function of cooling the inner casing according to claim 1, wherein: motor housing body (1), radiating fin body (2) and supporting leg (8) are the integrated structure of cast iron material, and laminating outside motor housing body (1) inboard and damping sound insulation damping bed course (3) of stopping shaking to the material of damping sound insulation damping bed course (3) of stopping shaking is butyl rubber.
3. The silent motor with the function of cooling the inner casing according to claim 1, wherein: the base plate (19) and the bottom sleeve (20) are connected in a welding mode, the vertical portion of the bottom sleeve (20) made of high-speed steel is covered with rubber, and the base plate (19) is made of high-speed steel.
CN201910466054.XA 2019-05-31 2019-05-31 Mute motor with inner shell cooling function Active CN110198098B (en)

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Publication number Priority date Publication date Assignee Title
CN112994316A (en) * 2019-12-13 2021-06-18 江苏民威电碳科技有限公司 Double-layer heat-dissipation waterproof motor housing
CN112803676B (en) * 2021-02-23 2022-05-24 美卓矿山安全设备(徐州)有限公司 Permanent magnet electric roller stator circulating cooling device
CN113653835A (en) * 2021-06-29 2021-11-16 盐城市景盛石化机械有限公司 Damping type valve seat of check valve
CN114520562A (en) * 2022-03-09 2022-05-20 江苏欧斯特精密机械有限公司 High-strength corrosion-resistant wind power motor

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DE102005058833A1 (en) * 2005-12-09 2007-06-28 Robert Bosch Gmbh Hand tool
CN107612201A (en) * 2017-09-30 2018-01-19 江苏瑞腾涂装科技有限公司 A kind of motor and its damping device
CN207819735U (en) * 2018-01-26 2018-09-04 东莞市鑫濠数码科技有限公司 A kind of shockproof voice coil motor
CN108494150A (en) * 2018-05-03 2018-09-04 安徽永华电机科技有限公司 A kind of motor housing of multidirectional buffering high efficiency and heat radiation

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