CN106451901B - Motor rotor component, compressor and air-conditioning - Google Patents
Motor rotor component, compressor and air-conditioning Download PDFInfo
- Publication number
- CN106451901B CN106451901B CN201610882997.7A CN201610882997A CN106451901B CN 106451901 B CN106451901 B CN 106451901B CN 201610882997 A CN201610882997 A CN 201610882997A CN 106451901 B CN106451901 B CN 106451901B
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- Prior art keywords
- balance weight
- silencing cavity
- silencing
- motor rotor
- cavity
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
Abstract
The present invention provides a kind of motor rotor component, compressor and air-conditionings, motor rotor component includes: crankshaft, the motor rotor core being fixedly connected on crankshaft, it is fixedly connected with the main balance weight of described motor rotor core one end and connects the secondary balance weight of the motor rotor core other end, it is provided with the first silencing cavity in main balance weight, the second silencing cavity is vertically arranged in secondary balance weight.Simultaneously, the frequency of the first silencing cavity and the second silencing cavity of multiple and different sizes to eliminate different quasi- abatements can also be set on main balance weight and secondary balance weight, realize the effect of vibration and noise reduction of wide frequency range, in addition, main balance weight and secondary the first silencing cavity of balance weight are set and the second silencing cavity can also be in the structure of series connection and/or parallel connection and then increase sound-damping qualities to the greatest extent, improves erasure effect.The present invention can be effectively reduced abatement motor upper and lower cavity gas and reduce the noise of compressor.
Description
Technical field
The present invention relates to household appliance technical fields, in particular to a kind of motor rotor component, compressor and air-conditioning.
Background technique
Rolling rotor compressor is widely used in domestic air conditioning and business air conditioner at present, and user is to the noise of air-conditioning
Level requirement is higher and higher.Mainly there are three aspects for the noise source of rolling rotor compressor: cold media gas power noise, machine
Tool noise and electromagnetic noise.Wherein, aerodynamic force noise is mainly to be caused by gas and the refrigerant spray of exhaust moment.
Currently, abatement aerodynamic noise relies primarily on muffler or installs in cylinder air entry, exhaust outlet equipotential in rotor compressor
Set resonant silencing cavity.
In existing compressor, silencing cavity is generally located on exhaust passage, is connected with angular cut, so constitutes one
Last of the twelve Earthly Branches nurse hertz resonant cavity.As shown in Figure 1, the composition of silencing cavity consists of three parts, respectively angular cut 1, be connected to angular cut
Connecting neck portion 2, the muffler chamber 3 that is connected to connecting neck portion.
Summary of the invention
The present invention is intended to provide a kind of can reduce the gas of motor upper and lower cavity while reducing compressor noise
Motor rotor component, compressor and air-conditioning.
The present invention provides a kind of motor rotor components, comprising: crankshaft, the main balance weight motor being connected on the crankshaft
Rotor core is fixedly connected on the main balance weight of described motor rotor core one end and is fixedly connected on the motor rotor core
The secondary balance weight of the other end, is provided with the first silencing cavity in the main balance weight, and the first silencing cavity includes the first connecting neck portion
The first muffler chamber being connected to with first connecting neck portion, first connecting neck portion are located remotely from the rotor iron
Core side, first muffler chamber are located at close to the motor rotor core side, and first silencing cavity runs through the master
Balance weight；It is provided with the second silencing cavity in the secondary balance weight, the second silencing cavity includes the second connecting neck portion and with described the
Second muffler chamber of two connecting neck portion connection, second connecting neck portion are located remotely from the motor rotor core side, institute
It states the second muffler chamber to be located at close to the motor rotor core side, second silencing cavity is through the secondary balance weight.
Preferably, the main balance weight has the first lug boss, and at least partly described first silencing cavity is located at described first
Lug boss, the pair balance weight have the second lug boss, and at least partly described second silencing cavity is located at second lug boss.
Preferably, first silencing cavity and second silencing cavity are multiple, and multiple first silencing cavities are described in
Main balance weight it is circumferentially distributed, multiple second silencing cavities are circumferentially distributed along the secondary balance weight.
Preferably, at least two size is not identical in multiple first silencing cavities, in multiple second silencing cavities
At least two size is not identical.
Preferably, at least two first muffler chambers are connected in multiple first silencing cavities, and multiple described
At least two second muffler chambers are connected in two silencing cavities.
Preferably, first silencing cavity and second silencing cavity are multiple, and multiple first silencing cavities are described
Longitudinally disposed in main balance weight, multiple first silencing cavities are connected in series connection, and multiple second silencing cavities are in the pair
Longitudinally disposed in balance weight, multiple second silencing cavities are connected in series connection.
Preferably, the main balance weight includes that main balance block main body is covered with main first balanced in block main body is arranged in
Plate, at least one described first silencing cavity are located in the main balance block main body, at least one described first silencing cavity is located at institute
It states on the first cover board, at least one described first silencing cavity and first cover board in the main balance block main body at least
One the first silencing cavity serial communication.
Preferably, first muffler chamber of first silencing cavity in the main balance block main body is multiple, more
At least two are connected in first muffler chamber of first silencing cavity in a main balance block main body.
Preferably, first muffler chamber of first silencing cavity on first cover board is multiple, Duo Gesuo
At least two are stated in first muffler chamber of first silencing cavity on the first cover board to be connected.
Preferably, the secondary balance weight includes secondary the second lid for balancing block main body and being arranged in the secondary balance block main body
Plate, at least one described second silencing cavity are located in the secondary balance block main body, at least one described second silencing cavity is located at institute
It states on the second cover board, at least one described second silencing cavity and second cover board in the secondary balance block main body at least
One the second silencing cavity serial communication.
Preferably, second muffler chamber of second silencing cavity in the secondary balance block main body is multiple, more
At least two are connected in second muffler chamber of second silencing cavity in a secondary balance block main body.
Preferably, second muffler chamber of second silencing cavity on second cover board is multiple, Duo Gesuo
At least two are stated in second muffler chamber of second silencing cavity on the second cover board to be connected.
The present invention provides a kind of compressors, which is characterized in that including the motor rotor component as described in any of the above-described.
The present invention provides a kind of air-conditionings, which is characterized in that including the motor rotor component as described in any of the above-described.
Motor rotor component, compressor and air-conditioning according to the present invention are provided on main balance weight and secondary balance weight and disappear
Audio cavity structure reduces direct impact of the motor upper and lower cavity gas to shell for cutting down motor upper and lower cavity gas,
Reducing crankshaft generation, play avoids compressor efficiency drop to reduce because of friction power loss increase caused by hitting up and down
It is low, the exciting force on refrigerant circulation passage is reduced, reduces the outside radiated noise of shell, simultaneously, it is suppressed that excessive air-flow
Pulsation, and then can guarantee that compressor air-discharging is more smooth, compressor cooling capacity is effectively improved, to improve compressor efficiency.?
By the way that multiple silencing cavities combined in parallel or series or in series and parallel are arranged in the present invention, and then respectively for different quasi- abatements
Frequency, silencing cavity cooperate each other, realize the effect of vibration and noise reduction of wide frequency range, breaching traditional silencing cavity can only
The limitation for cutting down single frequency, increases sound-damping qualities, improves erasure effect.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the silencing cavity of exhaust outlet of compressor in the prior art；
Fig. 2 is the overall schematic of motor rotor component in the prior art；
Fig. 3 is the schematic diagram of motor upper and lower cavity gas in the prior art；
Fig. 4 is the overall schematic of motor rotor component according to the present invention；
Fig. 5 is front view of the main balance weight according to the present invention under first embodiment；
Fig. 6 is cross-sectional view of the main balance weight according to the present invention under first embodiment；
Fig. 7 is front view of the secondary balance weight according to the present invention under first embodiment；
Fig. 8 is cross-sectional view of the secondary balance weight according to the present invention under first embodiment；
Fig. 9 is front view of the main balance weight according to the present invention under second embodiment；
Figure 10 is front view of the main balance weight according to the present invention under third embodiment；
Figure 11 is front view of the main balance weight according to the present invention under the 4th embodiment；
Figure 12 is front view of the main balance weight according to the present invention under the 5th embodiment；
Figure 13 is front view of the main balance weight according to the present invention under the 6th embodiment；
Figure 14 is front view of the main balance weight according to the present invention under the 7th embodiment；
Figure 15 is front view of the main balance weight according to the present invention under the 8th embodiment；
Figure 16 is front view of the main balance weight according to the present invention under the 9th embodiment.
Description of symbols:
1, angular cut；2, connecting neck portion；3, muffler chamber；10, crankshaft；20, main balance weight；21, the first silencing cavity；22,
First lug boss；23, the first cover board；24, main balance block main body；211, the first connecting neck portion；212, the first muffler chamber；30,
Motor rotor core；40, secondary balance weight；41, the second silencing cavity；42, the second lug boss；43, the second cover board；44, secondary balance weight
Main body；411, the second connecting neck portion；412, the second muffler chamber；50, gas.
Specific embodiment
With reference to the drawings and the description of the specific embodiments of the present invention, details of the invention can clearly be understood.But
It is the specific embodiment of invention described herein, purpose for explaining only the invention, and cannot understand in any way
At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being set to " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.Term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, are also possible to inside two elements
Connection, can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can be understood as the case may be.It is described in detail this below with reference to the accompanying drawings and in conjunction with the embodiments
Invention.
It is found by the applicant that above-mentioned patent and the other similar patent of retrieval are the drops taken on compressor pump part
It makes an uproar measure.At the same time, Fig. 2 is the overall schematic of motor rotor component in the prior art, and Fig. 3 is in the prior art on motor
The schematic diagram of cavity of resorption gas 50, as shown in Figure 3, Figure 4, since single cylinder, twin-tub, twin-stage increase break, transfiguration and multi-cylinder compression
There is the barrier of inevitably intermittent exhaust and compressor electric motor inherent structure in machine etc., motor upper and lower cavity is caused to still have
Biggish gas 50, when compressor air-discharging moment, due to the influence of the instantaneous spray of air-flow, motor upper and lower cavity gas 50
Reach maximum, excessive motor upper and lower cavity gas 50 will cause a series of drawback.For example, motor upper and lower cavity gas
50 directly impact shell, outside radiated noise；When motor upper and lower cavity gas 50 is excessive, the gas force impacted upwards is greater than
When the gravity and magnetic pull of 10 rotor assembly of crankshaft itself, the axial play up and down of 10 rotor assembly of crankshaft will be caused, to draw
Strong mechanical impact is played, friction power loss is will increase in this way, compressor efficiency is caused to reduce, while increasing complete machine noise；It is excessive
Gas 50 will also cause compressor air-discharging and have some setbacks, reduce compressor cooling capacity, compressor efficiency caused to decline.
Then in this application, applicant proposed a kind of motor rotor component, motor rotor components according to the present invention
Overall schematic, front view of the main balance weight 20 under first embodiment, main balance weight 20 is in first embodiment
Under cross-sectional view, front view of the secondary balance weight 40 under first embodiment, secondary balance weight 40 is under first embodiment
Cross-sectional view, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, motor rotor component includes: crankshaft 10, the master being connected on crankshaft 10
Balance weight motor rotor core 30 is fixedly connected on the main balance weight 20 of motor rotor core one end 30 and is fixedly connected on motor
The secondary balance weight 40 of the rotor core other end 30 is provided with the first silencing cavity 21, the first silencing cavity 21 packet in main balance weight 20
The first muffler chamber 212 for including the first connecting neck portion 211 and being connected to the first connecting neck portion 211, the first connecting neck portion 211 are located at
Far from 30 side of motor rotor core, the first muffler chamber 212 is located at close to 30 side of motor rotor core, the first silencing cavity 21
Through main balance weight 20；The second silencing cavity 41 is provided in secondary balance weight 40, the second silencing cavity 41 includes the second connecting neck portion
411 and the second muffler chamber 412 for being connected to the second connecting neck portion 411, the second connecting neck portion 411 be located remotely from rotor iron
30 side of core, the second muffler chamber 412 are located at close to 30 side of motor rotor core, and the second silencing cavity 41 runs through secondary balance weight
40.In order to further appreciate that the motor rotor component in the present invention, it will be further explained and will be illustrated below.First noise reduction
The characteristics of chamber 21 and the second silencing cavity 41 can be the resonant silencing cavity of last of the twelve Earthly Branches nurse hertz, existing this resonant silencing cavity is frequency
Rate is selectively strong, is provided with single the first silencing cavity 21 or the second silencing cavity 41 in the above-described embodiment, can so disappear
Subtract the noise of single frequency point or the Frequency point nearby very in narrow-band.As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, the first connecting neck portion
211, the second connecting neck portion 411, the first muffler chamber 212 and the second muffler chamber 412 can be designed to cylinder, from technique
It more easily realizes, is easy to implement volume production.Front view of the main balance weight 20 according to the present invention under second embodiment is such as schemed
Shown in 9, the first muffler chamber 212 and the second muffler chamber 412 can also be designed to other shapes, such as main cavity design growth
The shapes such as cube, cube, cylindroid, semicolumn, neck passage can also be designed to above-mentioned any shape.
In view of practical main balance weight 20 and secondary balance weight 40 are different in the thickness of different places, in order to avoid main balance weight
20 places too thin with secondary balance weight 40 can not open up the first muffler chamber 212 and the second muffler chamber 412, such as Fig. 5, Fig. 6, figure
7, shown in Fig. 8, main balance weight 20 has the first lug boss 22, and at least partly the first silencing cavity 21 can be located at the first lug boss
22, secondary balance weight 40 has the second lug boss 42, and at least partly the second silencing cavity 41 is located at the second lug boss 42.In main balance weight
First muffler chamber 212 and the second muffler chamber 412 in secondary balance weight 40, are preferably positioned close to rotor core by 20
Side, the first connecting neck portion 211, the second connecting neck portion 411 are arranged far from motor rotor core 30, towards on compressor electric motor
The side of cavity of resorption.Above structure is conducive to that pulse pneumatic is guided to enter main cavity, to cut down the gas of upper and lower cavity to a greater degree
Stream pulsation 50.
In one preferred embodiment, the facing under third embodiment of main balance weight 20 according to the present invention
Figure, as shown in Figure 10, the first silencing cavity 21 and the second silencing cavity 41 be it is multiple, multiple first silencing cavities 21 are along main balance weight 20
Circumferentially distributed, multiple second silencing cavities 41 are circumferentially distributed along secondary balance weight 40.Due to main balance weight 20, the knot of secondary balance weight 40
Structure size has enough spaces, is provided with multiple silencing cavities on main balance weight 20, secondary balance weight 40, is so convenient for preferably rising
To the purpose of abatement motor upper and lower cavity pressure fluctuation.Wherein, multiple silencing cavity structure sizes of setting are identical, same for cutting down
The gas 50 of a frequency.The structure be mainly used for the gas 50 of motor upper and lower cavity some Frequency point peak value it is very big,
The case where occupying main contributions to noise level can farthest reduce motor upper and lower cavity gas under the frequency with this configuration
The pulsation amplitude of stream.
In a preferred embodiment, main balance weight 20 according to the present invention under the 4th embodiment just
View, as shown in figure 11, at least two size is not identical in multiple first silencing cavities 21.In multiple second silencing cavities 41 at least
Two sizes are not identical.The structure size of first silencing cavity 21 and the second silencing cavity 41 is not identical, can respectively correspond in this way
In different noise reduction frequencies, is combined by the silencing cavity of multiple sizes, may be implemented to cut down multiple noise peak frequencies simultaneously
Gas 50.Each silencing cavity can be designed for the frequency of different quasi- abatements respectively, be cooperated each other, should
Composite structure realizes the effect of vibration and noise reduction of wide frequency range, and the limitation of single frequency can only be cut down by breaching traditional silencing cavity,
Sound-damping qualities are increased, erasure effect is improved.The structure is mainly used for the gas 50 of motor upper and lower cavity in multiple Frequency points
Peak value is larger, and each crest frequency has the occasion of larger contribution amount to complete machine noise.It with this configuration can be farthest
The pulsation amplitude of motor upper and lower cavity air-flow under multiple crest frequencies is reduced, to advantageously reduce noise level and the vibration of complete machine
It is horizontal.
In one preferred embodiment, the first silencing cavity 21 and the second silencing cavity 41 are multiple, multiple first noise reductions
Chamber 21 is longitudinally disposed in main balance weight 20, and multiple first silencing cavities 21 are connected in series connection, and multiple second silencing cavities 41 are in pair
Longitudinally disposed in balance weight 40, multiple second silencing cavities 41 are connected in series connection.In order in the main easily processing of balance weight 20
Concatenated first silencing cavity 21 out, secondary balance weight 40 easily process concatenated second silencing cavity 41, master according to the present invention
Front view of the balance weight 20 under the 5th embodiment, as shown in figure 12, main balance weight 20 include main 24 He of balance block main body
The first cover board 23 in main balance block main body 24 is set, at least one first silencing cavity 21 is located in main balance block main body 24,
At least one first silencing cavity 21 is located on the first cover board 23, at least one first silencing cavity 21 in main balance block main body 24 with
At least one 21 serial communication of the first silencing cavity on first cover board 23.In another embodiment, master according to the present invention
Front view of the balance weight 20 under the 6th embodiment, as shown in figure 13, the first silencing cavity 21 and the second silencing cavity 41 are more
A, multiple first silencing cavities 21 are circumferentially distributed along main balance weight 20, circumferential direction of multiple second silencing cavities 41 along secondary balance weight 40
Distribution.At least two first muffler chambers 212 are connected in multiple first silencing cavities 21, at least two in multiple second silencing cavities 41
A second muffler chamber 412 is connected.
Above structure is the silencing cavity of multiple concatenated various sizes of silencing cavities or multiple concatenated identical sizes, respectively
For cutting down multiple noise peak frequencies or single noise peak frequency.In the structure of tandem silencing cavity, such as Figure 12, for example,
One the first silencing cavity 21 is set in main balance block main body 24, first silencing cavity 21 is set on the first cover board 23, it is main
Balance block main body 24 is connected cooperation with the first cover board 23 so that the first silencing cavity 21 in the two is connected in series.Main cavity 2 then with turn
Sub- iron core, which is connected, to be used cooperatively.Specific work process: pulse pneumatic enters the first silencing cavity 21 in main balance block main body 24, into
The first time of row gas 50 cuts down, and then pulse pneumatic enters the first silencing cavity 21 on the first cover board 23, carries out air-flow
Second of abatement of pulsation 50.
In a preferred embodiment, main balance weight 20 according to the present invention under the 7th embodiment just
View, as shown in figure 14, main balance weight 20 include that main balance block main body 24 is covered with main first balanced in block main body 24 is arranged in
Plate 23, at least one first silencing cavity 21 are located in main balance block main body 24, at least one first silencing cavity 21 is located at the first lid
At least one first noise reduction at least one first silencing cavity 21 and the first cover board 23 on plate 23, in main balance block main body 24
21 serial communication of chamber.As shown in figure 14, under the above constitution, the first silencing cavity 21 in main balance block main body 24 is one, main
Balancing the first muffler chamber 212 of the first silencing cavity 21 in block main body 24 is multiple, in multiple main balance block main bodies 24 the
At least two are connected in first muffler chamber 212 of one silencing cavity 21；And/or first the first silencing cavity 21 on cover board 23
Be it is multiple, the first muffler chamber 212 of the first silencing cavity 21 on the first cover board 23 is one, on multiple first cover boards 23
At least two are connected in first muffler chamber 212 of the first silencing cavity 21.In this way, the first noise reduction in main balance block main body 24
First muffler chamber 212 of chamber 21 can be in connected state, the first muffler chamber of the first silencing cavity 21 on the first cover board 23
212 can also be in connected state.Front view of the main balance weight 20 according to the present invention under the 8th embodiment, as Figure 14,
Shown in Figure 15, the size of the first different muffler chambers 212 can be different, and the shape of the first muffler chamber 212 can be other
Shape, for example, its cross section, in this way, the effect of vibration and noise reduction of wide frequency range may be implemented, can substantially be dashed forward with oval etc.
The limitation of single frequency can only be cut down by having broken traditional silencing cavity, increased sound-damping qualities, improved erasure effect.In another implementation
In mode, front view of the main balance weight 20 according to the present invention under the 9th embodiment, as shown in figure 16, main balance weight master
The first silencing cavity 21 on body 24 is multiple, the first muffler chamber of each the first silencing cavity 21 in main balance block main body 24
212 be one, and the first muffler chamber 212 of the first silencing cavity of different two 21 in multiple main balance block main bodies 24 is connected
It is logical.The first silencing cavity 21 on first cover board 23 be it is multiple, first of each the first silencing cavity 21 on the first cover board 23 disappears
Sound cavity 212 is one, and the first muffler chamber 212 of the first silencing cavity of different two 21 on multiple first cover boards 23 is connected
It is logical.Above-mentioned a variety of different structures are directed to respectively by the way that multiple silencing cavities combined in parallel or series or in series and parallel are arranged
The frequency of different quasi- abatements, silencing cavity cooperate each other, realize the effect of vibration and noise reduction of wide frequency range, breach
Traditional silencing cavity can only cut down the limitation of single frequency, increase sound-damping qualities, improve erasure effect.
Of course, secondary balance weight 40 can also be using the structure of similar main balance weight 20.Secondary balance weight 40 includes secondary balance
Block main body 44 and the second cover board 43 being arranged in secondary balance block main body 44, at least one second silencing cavity 41 are located at secondary balance weight
In main body 44, at least one second silencing cavity 41 is located on the second cover board 43, pair balance block main body 44 at least one second
At least one 41 serial communication of the second silencing cavity in silencing cavity 41 and the second cover board 43.Under the above constitution, secondary balance weight master
Second muffler chamber 412 of the second silencing cavity 41 on body 44 is multiple, in multiple secondary balance block main bodies 44 the second silencing cavities
At least two are connected in 41 the second muffler chamber 412；And/or the second of second the second silencing cavity 41 on cover board 43 disappears
Sound cavity 412 be it is multiple, in the second muffler chamber 412 of the second silencing cavity 41 on multiple second cover boards 43 at least two be connected
It is logical.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Noise reduction cavity configuration is provided on main balance weight 20 and secondary balance weight 40, silencing cavity can be used to cut down motor or more
Chamber gas 50 reduces direct impact of the motor upper and lower cavity gas 50 to shell, reduces crankshaft 10 and play up and down occurs
To reduce because of friction power loss increase caused by hitting, the reduction of compressor efficiency is avoided, refrigerant circulation passage is reduced
On exciting force, reduce the outside radiated noise of shell, simultaneously, it is suppressed that excessive gas 50, and then can guarantee to press
The exhaust of contracting machine is more smooth, compressor cooling capacity is effectively improved, to improve compressor efficiency.
By the way that multiple silencing cavities combined in parallel or series or in series and parallel are arranged, and then respectively for different quasi- abatements
Frequency, silencing cavity cooperate each other, realize the effect of vibration and noise reduction of wide frequency range, breaching traditional silencing cavity can only
The limitation for cutting down single frequency, increases sound-damping qualities, improves erasure effect.
It also proposed a kind of compressor in the application, which includes such as any of the above-described motor rotor component.The pressure
Silencing cavity can also be arranged in suction side in contracting machine, and then cuts down air-breathing pulsation to a certain extent.Can also with cunning
Silencing cavity is arranged nearby to cut down compression pulsation in 180 ° of film trap, muffler and all kinds of different noise reductions can also be arranged in exhaust side
Chamber.By these measures, maximum trim gas exciting force is realized, noise and the vibration of compressor is reduced, makes to press
The complete machine noise of contracting machine is horizontal, level of vibration is effectively improved.
It also proposed a kind of air-conditioning in the application, which includes any of the above-described motor rotor component.Or the air-conditioning packet
Include any of the above-described compressor.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of motor rotor component, comprising: crankshaft (10), the main balance weight rotor iron being connected on the crankshaft (10)
Core (30) is fixedly connected on the main balance weight (20) of the main balance weight motor rotor core one end (30) and is fixedly connected on institute
State the secondary balance weight (40) of the main balance weight motor rotor core other end (30), it is characterised in that:
It is provided with the first silencing cavity (21) in the main balance weight (20), the first silencing cavity (21) includes the first connecting neck portion
(211) and with first connecting neck portion (211) the first muffler chamber (212) being connected to, the first connecting neck portion (211) position
In far from main balance weight motor rotor core (30) side, first muffler chamber (212) is located at flat close to the master
Weighing apparatus block motor rotor core (30) side, first silencing cavity (21) run through the main balance weight (20)；
It is provided with the second silencing cavity (41) in the secondary balance weight (40), the second silencing cavity (41) includes the second connecting neck portion
(411) and with second connecting neck portion (411) the second muffler chamber (412) being connected to, the second connecting neck portion (411) position
In far from main balance weight motor rotor core (30) side, second muffler chamber (412) is located at flat close to the master
Weighing apparatus block motor rotor core (30) side, second silencing cavity (41) is through the secondary balance weight (40)；
The main balance weight (20) has the first lug boss (22), and at least partly described first silencing cavity (21) is located at described first
Lug boss (22), the pair balance weight (40) have the second lug boss (42), and at least partly described second silencing cavity (41) is located at
Second lug boss (42).
2. motor rotor component according to claim 1, which is characterized in that first silencing cavity (21) and described second
Silencing cavity (41) be it is single or multiple, multiple first silencing cavities (21) are circumferentially distributed along the main balance weight (20), more
A second silencing cavity (41) is circumferentially distributed along the secondary balance weight (40).
3. motor rotor component according to claim 2, which is characterized in that when first silencing cavity (21) and described
When two silencing cavities (41) are multiple, at least two size is not identical in multiple first silencing cavities (21), and multiple described the
At least two size is not identical in two silencing cavities (41).
4. motor rotor component according to claim 2, which is characterized in that in multiple first silencing cavities (21) at least
Two first muffler chambers (212) are connected, at least two second noise reductions in multiple second silencing cavities (41)
Cavity (412) is connected.
5. motor rotor component according to claim 1, which is characterized in that first silencing cavity (21) and described second
Silencing cavity (41) is multiple, multiple first silencing cavities (21) longitudinally disposed, Duo Gesuo in the main balance weight (20)
It states the first silencing cavity (21) to be connected in series connection, multiple second silencing cavities (41) set along longitudinal direction in the secondary balance weight (40)
It sets, multiple second silencing cavities (41) are connected in series connection.
6. motor rotor component according to claim 5, which is characterized in that the main balance weight (20) includes main balance weight
The first cover board (23) of main body (24) and setting on main balance block main body (24), at least one described first silencing cavity
(21) it is located on the main balance block main body (24), at least one described first silencing cavity (21) is located at first cover board (23)
On, at least one described first silencing cavity (21) and first cover board (23) on main balance block main body (24) extremely
Few first silencing cavity (21) serial communication.
7. motor rotor component according to claim 6, which is characterized in that described on main balance block main body (24)
First muffler chamber (212) of first silencing cavity (21) be it is multiple, it is multiple it is described it is main balance block main body (24) on it is described
At least two are connected in first muffler chamber (212) of first silencing cavity (21).
8. motor rotor component according to claim 6, which is characterized in that described first on first cover board (23)
First muffler chamber (212) of silencing cavity (21) is multiple, first noise reduction on multiple first cover boards (23)
At least two are connected in first muffler chamber (212) of chamber (21).
9. motor rotor component according to claim 5, which is characterized in that the pair balance weight (40) includes secondary balance weight
The second cover board (43) of main body (44) and setting on secondary balance block main body (44), at least one described second silencing cavity
(41) it is located on secondary balance block main body (44), at least one described second silencing cavity (41) is located at second cover board (43)
On, at least one described second silencing cavity (41) and second cover board (43) on secondary balance block main body (44) extremely
Few second silencing cavity (41) serial communication.
10. motor rotor component according to claim 9, which is characterized in that the institute on secondary balance block main body (44)
Stating second muffler chamber (412) of the second silencing cavity (41) is multiple, on multiple secondary balances block main body (44) institutes
At least two are stated in second muffler chamber (412) of the second silencing cavity (41) to be connected.
11. motor rotor component according to claim 9, which is characterized in that described on second cover board (43)
Second muffler chamber (412) of two silencing cavities (41) be it is multiple, described second on multiple second cover boards (43) disappears
At least two are connected in second muffler chamber (412) of sound chamber (41).
12. a kind of compressor, which is characterized in that including the motor rotor component as described in any in the claims 1 to 11.
13. a kind of air-conditioning, which is characterized in that including the motor rotor component as described in any in the claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882997.7A CN106451901B (en) | 2016-10-08 | 2016-10-08 | Motor rotor component, compressor and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882997.7A CN106451901B (en) | 2016-10-08 | 2016-10-08 | Motor rotor component, compressor and air-conditioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451901A CN106451901A (en) | 2017-02-22 |
| CN106451901B true CN106451901B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882997.7A Active CN106451901B (en) | 2016-10-08 | 2016-10-08 | Motor rotor component, compressor and air-conditioning |
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| Country | Link |
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| CN (1) | CN106451901B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092424B (en) * | 2018-01-04 | 2020-03-17 | 珠海凌达压缩机有限公司 | Stator assembly and compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004336925A (en) * | 2003-05-09 | 2004-11-25 | Matsushita Electric Ind Co Ltd | Electric motor |
| CN101187372A (en) * | 2006-11-17 | 2008-05-28 | 乐金电子(天津)电器有限公司 | Noise-reducing structure of rotary compressor |
| CN202391740U (en) * | 2011-07-22 | 2012-08-22 | 安徽美芝精密制造有限公司 | Rotary compressor |
| CN105119418B (en) * | 2015-08-19 | 2018-03-20 | 珠海凌达压缩机有限公司 | Main balance weight, motor and compressor |
| CN105179205A (en) * | 2015-10-22 | 2015-12-23 | 珠海凌达压缩机有限公司 | Compressor and balance block thereof |
| CN206195535U (en) * | 2016-10-08 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Electric motor rotor subassembly, compressor and air conditioner |
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2016
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| Publication number | Publication date |
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| CN106451901A (en) | 2017-02-22 |
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Effective date of registration: 20181101 Address after: 519070, Jinji Hill Road, front hill, Zhuhai, Guangdong Applicant after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Applicant before: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. |
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