CN109617298B - Sound-proof housing and internal machine of motor - Google Patents
Sound-proof housing and internal machine of motor Download PDFInfo
- Publication number
- CN109617298B CN109617298B CN201811467528.4A CN201811467528A CN109617298B CN 109617298 B CN109617298 B CN 109617298B CN 201811467528 A CN201811467528 A CN 201811467528A CN 109617298 B CN109617298 B CN 109617298B
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- China
- Prior art keywords
- sound
- side wall
- motor
- shell
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 4
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a sound-proof cover and an inner machine of a motor, wherein the motor is arranged on a fixed partition board, and the sound-proof cover comprises a shell and a sound-absorbing structure arranged in the shell; the shell is provided with an opening; the fixed partition plate is connected with the shell to close the opening; the motor is arranged in the shell, and the sound absorbing structure is filled between the shell and the motor. A closed cavity is formed by the shell and the partition plate, the motor fixed on the fixed partition plate is arranged in the closed cavity, abnormal sound and noise generated by vibration and friction of the motor and parts such as a bearing matched with the motor are blocked in the cavity, the abnormal sound and noise cannot be transmitted outwards, the sound insulation and noise reduction effect is achieved, the sound absorption structure is filled between the motor and the shell, and the sound absorption structure further improves the noise reduction and noise absorption effect of the sound-proof cover.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a sound-proof housing of a motor and an internal machine.
Background
With the rapid development of economy and continuous progress of technology, people have increasingly high requirements on quality of life. Air conditioning has become an integral part of people's life as an electric appliance for improving air quality. Air conditioning technology has been rapidly developed and gradually perfected in recent years, but some disadvantages still exist. The multi-connected air pipe inner machine in the air conditioner inner machine is provided with a motor, vibration can occur under the working state of the motor, abnormal sound and even noise are frequently generated on the motor and the bearing, such as ' pyridazine ' sound, ' sand sound and the like, so that the use experience of a user is greatly influenced, and some serious people even need to replace the motor to reduce the noise.
Therefore, it is desirable to provide a sound-proof housing and an internal machine for a motor to solve the deficiencies of the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a sound insulation cover of a motor and an inner machine.
A sound-proof cover of a motor, wherein the motor is arranged on a fixed partition plate, and the sound-proof cover comprises a shell and a sound-absorbing structure arranged in the shell;
the shell is provided with an opening; the fixed partition plate is connected with the shell to close the opening; the motor is arranged in the shell, and the sound absorbing structure is filled between the shell and the motor.
Further, the shell comprises a bottom plate and a side wall, and the opening is opposite to the bottom plate;
the bottom plate and the side wall are both provided with heat dissipation holes.
Further, the two side walls which are oppositely arranged in the side walls are respectively provided with a mounting structure, each mounting structure comprises a shaft hole and a mounting groove which is communicated with the shaft hole and is opened, and the shaft holes in the mounting structures are coaxially arranged on the two side walls.
Further, one end of the side wall, far away from the bottom plate, is provided with an outwards extending connecting edge, the connecting edge is parallel to the bottom plate, the connecting edge is provided with at least three main fixing holes, and the fixing partition plate is provided with auxiliary fixing holes matched with the main fixing holes; and fixing pieces penetrating through the main fixing holes and the auxiliary fixing holes are arranged in the main fixing holes and the auxiliary fixing holes.
Further, the side wall is provided with a wire passing hole, and the edge of the wire passing hole is provided with a wear-resistant ring.
Further, the shell is provided with a first side wall, a second side wall, a third side wall and a fourth side wall, wherein the first side wall is opposite to the third side wall, and the second side wall is opposite to the fourth side wall;
the first side wall is provided with the heat dissipation holes.
Further, the second side wall and the fourth side wall are both provided with the mounting structure.
Further, the via hole is arranged on the third side wall; the wire through hole extends from one side of the third side wall away from the bottom plate to a direction away from the opening.
Further, the bottom plate is rectangular, the first side wall is vertically connected with one long side of the bottom plate, the third side wall is vertically connected with the other long side of the bottom plate, the second side wall is vertically connected with one wide side of the bottom plate, and the fourth side wall is vertically connected with the other wide side of the bottom plate.
Further, the bottom plate layer has a multilayer structure, and the bottom plate comprises a supporting layer and a damping layer which are sequentially arranged in parallel from outside to inside;
the side wall is of a multilayer structure and comprises a supporting layer and a damping layer which are sequentially arranged in parallel from outside to inside.
Further, the support layer comprises a metal plate.
Further, the damping layer comprises a butyl rubber damping layer or an asphalt damping layer.
Further, the sound absorbing structure comprises one or more of PET fiber sound absorbing cotton, PP fiber sound absorbing cotton, melamine sound absorbing foam and polyurethane sound absorbing foam.
Based on the same thought, the invention also provides an inner machine, which comprises the sound absorbing cover of the motor.
Compared with the closest prior art, the technical scheme of the invention has the following advantages:
according to the sound-proof cover of the motor, the shell and the partition plate form a closed cavity, the motor fixed on the fixed partition plate is arranged in the closed cavity, abnormal sound and noise generated by vibration and friction of the motor and parts such as a bearing matched with the motor are blocked in the cavity and cannot be transmitted outwards, the sound-proof and noise-proof effect is achieved, and a sound-absorbing structure is filled between the motor and the shell and further improves the noise-proof and noise-absorbing effect of the sound-proof cover.
Drawings
Fig. 1 is a schematic structural view of a sound-proof housing of a motor provided by the invention;
fig. 2 is a bottom view of a sound housing of the motor provided by the present invention;
FIG. 3 is a side view of a first sidewall of a sound enclosure of the motor provided by the present invention;
FIG. 4 is a front view of a sound enclosure for a motor provided by the present invention;
fig. 5 is a side view of a third sidewall of the sound-proof housing of the motor provided by the invention.
Wherein, 1-a bottom plate; 2-a first sidewall; 3-a second sidewall; 4-a third sidewall; 5-fourth side walls; 6-heat dissipation holes; 7-shaft holes; 8-mounting grooves; 9-wire passing holes; 10-connecting edges; 11-a main fixing hole; 12-opening.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the present invention provides a soundproof cover for a motor mounted on a fixed partition plate, the soundproof cover including a housing and a sound absorbing structure provided in the housing; the housing is provided with an opening 12; the fixed partition plate is connected with the shell to close the opening; the motor is arranged in the shell, and the sound absorbing structure is filled between the shell and the motor.
The opening 12 surrounds the motor with fixed baffle's hookup location, through the casing with the baffle constitutes a confined cavity, is fixed in motor on the fixed baffle is located in the confined cavity, the motor and with motor complex parts's vibration production abnormal sound and noise by the separation in the cavity, can not outwards propagate, play the effect of making an uproar falls in sound insulation, just motor with fill between the casing has the sound-absorbing structure, the sound-absorbing structure has further improved the noise reduction sound-absorbing effect of sound-proof housing, after the sound-proof housing of this motor is used for the interior machine of air conditioner, improved the sound quality of air conditioner.
In some embodiments of the invention, the housing comprises a bottom plate 1 and a side wall, the opening 12 being arranged opposite to the bottom plate 1; the bottom plate 1 and the side walls are provided with heat dissipation holes 6.
The side wall is cylindrical, the bottom plate 1 is in a flat plate shape, the bottom plate 1 is connected with one opening 12 of the cylindrical side wall, so that the opening 12 is closed, and the other opening 12 of the cylindrical side wall forms the opening 12 of the shell. The radial section of the cylindrical side wall can be round, square, triangular, polygonal and the like, and the shape of the cylindrical side wall can be determined according to the shape of the motor arranged in the cylindrical side wall, so that the motor can be subjected to 360-degree blocking and surrounding, and the material can be saved as much as possible. Heat is generated in the working process of the motor, and the longer the working time is, the more and the faster the heat is generated, so that a certain amount of heat dissipation holes 6 are required to be designed for heat dissipation in order to avoid the influence of heat accumulation on the performance of the motor.
In some embodiments of the present invention, two opposite side walls are provided with mounting structures, the mounting structures comprise a shaft hole 7 and a mounting groove 8 communicating the shaft hole 7 with the opening 12, and the shaft holes 7 in the mounting structures arranged on the two side walls are coaxially arranged.
Because the motor set up in the sound-proof housing, set up promptly in the casing, the motor is as drive assembly, need drive with the outside spare part of sound-proof housing through the transmission shaft and be connected, consequently need leave shaft hole 7 on the lateral wall of casing, some the motor is equipped with an output shaft, some the motor is equipped with two output shafts, and these two coaxial settings of output shaft, this kind of motor that is equipped with two output shafts can be to its both sides synchronous drive two spare parts respectively, consequently set up two coaxial shaft holes 7 on the lateral wall, for output shaft in the shaft hole 7 simple to operate, need be in shaft hole 7 to opening 12 sets up mounting groove 8, mounting groove 8 can allow the output shaft passes through can. When the output shaft is mounted, the output shaft is opposite to the mounting groove 8, and then the output shaft enters the shaft hole 7 through the mounting groove 8. In order to improve the sealing performance of the shell, the mounting plate can be arranged on the side walls of the two sides of the mounting groove 8 in a detachable connection manner, flat plates parallel to the side walls can be arranged on the side walls of the two sides of the mounting groove 8, and the mounting plate can slide in gaps between the side walls and the flat plates, so that the detachable connection is realized; or the mounting plate is a two-layer parallel plate formed by folding a plate from the middle, and then the two-layer plate is inserted into the side wall, so that even if the side wall is arranged between the two-layer plates, the upper bending part can prevent the mounting plate from moving downwards to seal the shaft hole 7.
In some embodiments of the present invention, an end of the side wall away from the bottom plate 1 is provided with an outwardly extending connecting edge 10, the connecting edge 10 is parallel to the bottom plate 1, at least three main fixing holes 11 are formed on the connecting edge 10, and auxiliary fixing holes matched with the main fixing holes 11 are formed on the fixing partition plate; the main fixing hole 11 and the auxiliary fixing hole are internally provided with fixing pieces penetrating through the main fixing hole 11 and the auxiliary fixing hole.
The connecting edge 10 is arranged for facilitating the connection and fixation between the housing and the fixed partition, and the connecting plate can be arranged along the circumferential direction 360 degrees of the opening 12, except for the position of the mounting groove 8; then the connecting plate is attached to the fixed partition board, and then the fixing is carried out through a plurality of main fixing holes 11 which are uniformly distributed, auxiliary fixing holes which are formed in the fixed partition board and fixing pieces, so that the stability of the fixing between the shell and the fixed partition board can be ensured; of course, the installation range of the connecting edge 10 may be reduced appropriately, as long as the housing and the fixing partition can be fixed stably.
In some embodiments of the invention, the side wall is provided with a wire through hole, and the edge of the wire through hole is provided with a wear-resistant ring.
The power of the motor is derived from electric power, electric energy must be transmitted to the motor through connection of wires, the motor can work, and therefore a wire through hole must be reserved in the shell for the wires to pass through. The wire passing hole may be provided at any portion of the housing, and is preferably provided on a side wall of the housing in consideration of a mounting position of the motor, etc., as long as the operation of other components related to the motor is not affected. The size of the wire through hole is enough to accommodate the wire to pass through, and is not excessively large so as not to damage the sealing property of the shell. The design of the wear-resisting ring can reduce the friction and scratch between the wire and the edge of the wire passing hole, prevent the wire from being damaged and the danger from being generated, and improve the safety performance of the sound-proof cover.
In some embodiments of the invention, the housing has a first side wall 2, a second side wall 3, a third side wall 4 and a fourth side wall 5, the first side wall 2 being disposed opposite the third side wall 4, the second side wall 3 being disposed opposite the fourth side wall 5; the first side wall 2 is provided with the heat dissipation holes 6.
In some embodiments of the invention, the mounting structure is provided on both the second side wall 3 and the fourth side wall 5.
In some embodiments of the present invention, the via is provided on the third sidewall 4; the via hole extends from the side of the third sidewall 4 remote from the bottom plate 1 in a direction away from the opening 12.
In some embodiments of the present invention, the bottom plate 1 is rectangular, the first side wall 2 is vertically connected to one long side of the bottom plate 1, the third side wall 4 is vertically connected to the other long side of the bottom plate 1, the second side wall 3 is vertically connected to one wide side of the bottom plate 1, and the fourth side wall 5 is vertically connected to the other wide side of the bottom plate 1.
The casing is in a cuboid shape, and the opening 12 is one surface, so that the casing has five surfaces, namely the bottom plate 1, the first side wall 2, the second side wall 3, the third side wall 4 and the fourth side wall 5, and according to the position of the opening 12, the direction of the third side wall 4 is the direction in which abnormal noise and noise of the motor are most likely to propagate, so that the sealing performance of the third side wall 4 needs to be ensured. The pair of opposite side walls of the second side wall 3 and the fourth side wall 5 are provided with shaft holes 7, the bottom plate 1 and the first side wall 2 are provided with radiating holes 6, 9 radiating holes 6 are uniformly distributed on the bottom plate 1 in 3*3, and 25 radiating holes 6 are uniformly distributed on the first side wall 2 in 5*5; the line through hole is arranged on the third side wall 4, the outline of the line through hole is composed of two straight edges and an arc edge, one straight edge is parallel and level with one edge of the third side wall 4 away from the bottom plate 1, the other straight edge is parallel and level with a connecting line of the third side wall 4 and the second side wall 3 or the fourth side wall 5, and the arc edge is arranged on the third side wall 4. The wear-resisting ring is made of rubber and is fixed at the edge of the arc-shaped edge.
In some embodiments of the present invention, the base plate 1 has a multi-layer structure, and the base plate includes a supporting layer and a damping layer sequentially arranged in parallel from outside to inside; the side wall is of a layered structure, and comprises a supporting layer and a damping layer which are sequentially arranged in parallel from outside to inside.
In some embodiments of the invention, the support layer comprises a metal plate, which may be selected from Q236 cast iron material.
In some embodiments of the invention, the damping layer comprises a butyl rubber damping layer or an asphalt damping layer.
The shell is composed of plates, namely the bottom plate 1 and the side walls are composed of the plates, so that the shell can have good sealing performance and sound insulation and noise reduction performance, and is arranged into a double layer, one layer is a supporting layer formed by metal plates on the outer surface, and the other layer is a butyl rubber damping layer or an asphalt damping layer which is tightly attached to the inner surface of the supporting layer. The double-layer arrangement can enable the shell to keep a preset shape, and has good sealing performance and sound insulation and noise reduction performance.
In some embodiments of the invention, the sound absorbing structure comprises one or more of PET fiber sound absorbing cotton, PP fiber sound absorbing cotton, melamine sound absorbing foam, and polyurethane sound absorbing foam.
The selection and filling quantity of the sound absorbing structure are comprehensively determined according to abnormal sound and noise degree generated by the motor and the heat dissipation condition of the motor; finally, the motor has better sound insulation and noise reduction effects and cannot be affected in heat dissipation.
Based on the same thought, the invention also provides an inner machine, which comprises the sound absorbing cover of the motor.
It should be noted that in this document, relational terms such as "first" and "second" and the like are 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.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (13)
1. The sound-proof cover of the motor is arranged on the fixed partition board and is characterized by comprising a shell and a sound-absorbing structure arranged in the shell;
the housing is provided with an opening (12); the fixed partition plate is connected with the shell to close the opening; the motor is arranged in the shell, and the sound absorbing structure is filled between the shell and the motor;
the shell comprises a bottom plate (1) and side walls, and the opening (12) is opposite to the bottom plate (1);
the sound-proof housing is characterized in that mounting structures are arranged on two side walls which are oppositely arranged in the side walls, each mounting structure comprises a shaft hole (7) and a mounting groove (8) which is communicated with the shaft hole (7) and is arranged on the two side walls, the shaft holes in the mounting structures are coaxially arranged, the sound-proof housing further comprises mounting plates which are detachably connected with the mounting grooves (8), flat plates parallel to the side walls are arranged on the side walls on two sides of the mounting grooves (80), and the mounting plates slide in the gaps of the side walls and the flat plates.
2. A sound-insulating cover for an electric machine according to claim 1, characterized in that both the base plate (1) and the side walls are provided with heat-dissipating holes (6).
3. A sound-proof housing for an electric machine according to claim 2, characterized in that the end of the side wall remote from the base plate (1) is provided with an outwardly extending connecting edge (10), the connecting edge (10) being parallel to the base plate (1), the connecting edge (10) being provided with at least three main fixing holes (11), the fixing partition being provided with auxiliary fixing holes matching the main fixing holes (11); and fixing pieces penetrating through the main fixing holes (11) and the auxiliary fixing holes are arranged in the main fixing holes (11) and the auxiliary fixing holes.
4. A sound-insulating housing for an electric machine according to claim 3, characterized in that the side walls are provided with wire vias (9), the edges of which wire vias (9) are provided with wear rings.
5. A sound-proof housing for an electric machine according to claim 4, characterized in that the housing has a first side wall (2), a second side wall (3), a third side wall (4) and a fourth side wall (5), the first side wall (2) being arranged opposite the third side wall (4), the second side wall (3) being arranged opposite the fourth side wall (5);
the first side wall (2) is provided with the heat dissipation holes (6).
6. A sound housing for an electric machine according to claim 5, characterized in that the mounting structure is provided on both the second side wall (3) and the fourth side wall (5).
7. A sound-insulating housing for an electric machine according to claim 5, characterized in that the wire-through holes (9) are provided in the third side wall (4); the wire through hole (9) extends from one side of the third side wall (4) away from the bottom plate (1) to a direction away from the opening (12).
8. A sound-proof housing for an electric machine according to claim 5, characterized in that the base plate (1) is rectangular, the first side wall (2) is connected perpendicularly to one long side of the base plate, the third side wall (4) is connected perpendicularly to the other long side of the base plate (1), the second side wall (3) is connected perpendicularly to one broad side of the base plate, and the fourth side wall (5) is connected perpendicularly to the other broad side of the base plate (1).
9. A sound-insulating cover for an electric machine according to any one of claims 2 to 8, characterized in that the base plate (1) has a multilayer structure, comprising a supporting layer and a damping layer arranged in parallel in sequence from the outside to the inside;
the side wall is of a multilayer structure and comprises a supporting layer and a damping layer which are sequentially arranged in parallel from outside to inside.
10. A motor sound housing according to claim 9, wherein said support layer comprises sheet metal.
11. A sound housing for an electric machine according to claim 9, wherein said damping layer comprises a butyl rubber damping layer or an asphalt damping layer.
12. The motor sound housing of claim 1, wherein the sound absorbing structure comprises one or more of PET fiber sound absorbing cotton, PP fiber sound absorbing cotton, melamine sound absorbing foam, and polyurethane sound absorbing foam.
13. An internal machine comprising a sound housing for an electric machine according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467528.4A CN109617298B (en) | 2018-12-03 | 2018-12-03 | Sound-proof housing and internal machine of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467528.4A CN109617298B (en) | 2018-12-03 | 2018-12-03 | Sound-proof housing and internal machine of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109617298A CN109617298A (en) | 2019-04-12 |
| CN109617298B true CN109617298B (en) | 2024-04-05 |
Family
ID=66006843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811467528.4A Active CN109617298B (en) | 2018-12-03 | 2018-12-03 | Sound-proof housing and internal machine of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109617298B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541281A (en) * | 2019-10-08 | 2019-12-06 | 珠海格力电器股份有限公司 | Noise reduction structure and washing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11252850A (en) * | 1998-03-03 | 1999-09-17 | Mitsubishi Electric Corp | Rotary electrical machine |
| CN202134993U (en) * | 2011-06-17 | 2012-02-01 | 肖永初 | Motor possessing heat radiation system |
| CN102877565A (en) * | 2012-09-21 | 2013-01-16 | 左洪运 | Noise-reducing and shock-absorbing composite board |
| CN207039362U (en) * | 2017-07-29 | 2018-02-23 | 江苏润环环境科技有限公司 | Motor noise-reducing mixer |
| CN209419376U (en) * | 2018-12-03 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of blimp and interior machine of motor |
-
2018
- 2018-12-03 CN CN201811467528.4A patent/CN109617298B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11252850A (en) * | 1998-03-03 | 1999-09-17 | Mitsubishi Electric Corp | Rotary electrical machine |
| CN202134993U (en) * | 2011-06-17 | 2012-02-01 | 肖永初 | Motor possessing heat radiation system |
| CN102877565A (en) * | 2012-09-21 | 2013-01-16 | 左洪运 | Noise-reducing and shock-absorbing composite board |
| CN207039362U (en) * | 2017-07-29 | 2018-02-23 | 江苏润环环境科技有限公司 | Motor noise-reducing mixer |
| CN209419376U (en) * | 2018-12-03 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of blimp and interior machine of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109617298A (en) | 2019-04-12 |
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