CN205846901U - For the motor of micro-compressor and the micro-compressor with it - Google Patents
For the motor of micro-compressor and the micro-compressor with it Download PDFInfo
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- CN205846901U CN205846901U CN201620687737.XU CN201620687737U CN205846901U CN 205846901 U CN205846901 U CN 205846901U CN 201620687737 U CN201620687737 U CN 201620687737U CN 205846901 U CN205846901 U CN 205846901U
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Abstract
The utility model discloses a kind of motor for micro-compressor and there is its micro-compressor, motor for micro-compressor includes: stator and rotor, rotor is located in stator, and the gap between outer surface and the inner surface of stator of rotor is that L, L meet: 0.1mm≤L≤0.4mm.According to the motor for micro-compressor of the present utility model, by being that L is set to 0.1mm≤L≤0.4mm by the gap between the outer surface of rotor and the inner surface of stator, improve the efficiency of motor, and decrease the loss of motor, improve torque and the stationarity of rotating speed when motor runs, reduce vibration and the noise of motor.
Description
Technical field
This utility model relates to Compressor Technology field, especially relates to a kind of motor for micro-compressor and has
Its micro-compressor.
Background technology
In correlation technique, the motor of traditional compressor such as rotary compressor includes rotor and stator, rotor appearance
Face is usually not less than 0.5mm, to improve electric efficiency and stability with the gap of stator inner surface.But, micro-compressor
Size is little, and the gap between stator and rotor is relatively big, and electric efficiency is low.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, it is of the present utility model
One purpose is to propose a kind of motor for micro-compressor, and the efficiency of this motor being used for micro-compressor is high.
Another purpose of the present utility model is to propose a kind of micro-compressor with above-mentioned motor.
According to the motor for micro-compressor of this utility model first aspect, including: stator；And rotor, described turn
Son is located in described stator, and the gap between outer surface and the inner surface of described stator of described rotor is L, and described L meets:
0.1mm≤L≤0.4mm。
According to the motor for micro-compressor of the present utility model, by the inner surface by the outer surface of rotor Yu stator
Between gap be that L is set to 0.1mm≤L≤0.4mm, improve the efficiency of motor, and decrease the loss of motor, improve
When motor runs, torque and the stationarity of rotating speed, reduce vibration and the noise of motor.
It addition, it is special to have following additional technology according to the motor for micro-compressor of the present utility model
Levy:
According to embodiments more of the present utility model, described rotor includes: magnet steel；And rotor core, described rotor core
Being located on described magnet steel, described rotor core is structural steel elements, carbon structural steel part or aluminum component.
According to embodiments more of the present utility model, when described rotor core is structural steel elements, described structural steel elements
Phosphorus content is C, and described C meets: 0.12%≤C≤0.5%.
Specifically, described magnet steel is magnet ring, and described rotor core is bonded in described magnet steel.
Alternatively, described magnet steel is one or more.
Alternatively, described rotor core forms as one structure or multi-segment structure.
According to embodiments more of the present utility model, described rotor core is formed as cylindrical or truncated cone-shaped.
Alternatively, described rotor core is cast member or machined piece.
According to the micro-compressor of this utility model second aspect, including the use according to the above-mentioned first aspect of this utility model
Motor in micro-compressor.
According to embodiments more of the present utility model, the internal diameter of the housing of described micro-compressor is less than or equal to 51mm.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation of the micro-compressor according to this utility model embodiment；
Fig. 2 is the structural representation of the rotor shown in Fig. 1；
Fig. 3 is the top view of the rotor shown in Fig. 2.
Reference:
Micro-compressor 100,
Stator 1, stator core 11, winding 12,
Rotor 2, magnet steel 21, rotor core 22,
Balance weight 3.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ",
Orientation or the position relationship of the instruction such as " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position relationship, are only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second " be only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indicated
The quantity of technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more
Multiple this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include that the first and second features directly contact, it is also possible to includes that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 3, the motor for micro-compressor 100 according to this utility model embodiment is described.Motor
It is applicable to micro-compressor 100.Wherein, micro-compressor 100 can be micro rotary compressor etc., but is not limited to this.
Here, it should be noted that micro-compressor refers to refrigerating capacity less than the system that 1KW such as refrigerating capacity is 500W etc.
Cold compressor.Micro-compressor may be used for mini-refrigerator system, such as, may be used for on-board air conditioner, car refrigerator etc..Miniature
The diameter of compressor housing is usually more than 65mm.
Alternatively, micro-compressor 100 can be vertical compressor.Certainly, those skilled in the art are appreciated that
Micro-compressor 100 can also be horizontal compressor (not shown).In the application explained below, with micro-compressor
100 illustrate for as a example by vertical compressor.
As it is shown in figure 1, according to the motor for micro-compressor 100 of this utility model first aspect embodiment, including
Stator 1 and rotor 2, rotor 2 is located in stator 1.Stator 1 includes stator core 11 and winding 12.
For example, referring to Fig. 1, stator 1 can be formed generally as annular, and rotor 2 can be located at the radially inner side of stator 1.
Gap between outer surface and the inner surface of stator 1 of rotor 2 is that L, L meet: 0.1mm≤L≤0.4mm.Its concrete numerical value can
With the concrete specifications and models adjusted design according to motor, this is not especially limited by this utility model.Such as, gap L can be entered
One step meets: L=0.1mm, L=0.25mm, L=0.3mm, L=0.4mm etc..Thus, it is possible to improve the efficiency of motor, and can
To reduce the loss of motor, improve torque and the stationarity of rotating speed when motor runs, reduce vibration and the noise of motor.
According to the motor for micro-compressor 100 of this utility model embodiment, by by the outer surface of rotor 2 with fixed
Gap between the inner surface of son 1 is that L is set to 0.1mm≤L≤0.4mm, improves the efficiency of motor, and decreases motor
Loss, improves torque and the stationarity of rotating speed when motor runs, reduces vibration and the noise of motor.
According to embodiments more of the present utility model, rotor 2 includes magnet steel 21 and rotor core 22.Wherein, magnet steel 21 can
Think permanent magnet magnet steel etc., but be not limited to this.Rotor core 22 is located on magnet steel 21, and rotor core 22 is structural steel elements, common
Carbon structure steel part (such as, Q235 etc.) or aluminum component (Al).Such as, when rotor core 22 is structural steel elements, structural steel elements
Phosphorus content is that C, C can meet: 0.12%≤C≤0.5%, such as 45 steel (S45C) etc..Thus, it is possible to simplify rotor core 22
Processing technique, reduce processing cost, and on the basis of ensureing electric efficiency, improve the intensity of rotor 2, reduce and turn
The deformation of the rotor 2 that radial electromagnetic force causes and vibration when dynamic inertia and motor run, thus improve rotor 2 manufacturing and
Safety.
Experiments verify that and show, the motor volume of micro-compressor 100 is little, and the efficiency impact that iron loss is brought is less, uses
The electric efficiency of the rotor core 22 of structural steel elements, carbon structural steel part or aluminum component superpose with traditional use stalloy and
The electric efficiency of the rotor core 22 become is substantially suitable, and difference is less.
Specifically, magnet steel 21 is magnet ring, and rotor core 22 is bonded in magnet steel 21.Such as, rotor core 22 and magnet steel 21
Can be bonded together by glue etc..Specifically, magnet steel 21 can be formed as the cirque structure of hollow, and rotor core 22 can
To be located at the radially inner side of magnet steel 21, rotor core 22 can be arranged concentrically with magnet steel 21.
Such as, during assembling, can first glue etc. be coated on the inner surface of magnet steel 21, then by rotor core
22 load in the magnet steel 21 being coated with adhesive.Thus, improve the bonding strength between magnet steel 21 and rotor core 22, effectively
Avoid in micro-compressor 100 work process, magnet steel 21 and rotor core 22 cause because expanded by heating amount is inconsistent that
This departs from, thus improves the reliability of the micro-compressor 100 of motor and this motor of use.Additionally, also avoid traditional
The impact during mechanical connection, magnet steel 21 caused.
Alternatively, magnet steel 21 is one or more.It is to say, magnet steel 21 can be structure as a whole, it is also possible to for by many
The split-type structural of the axially stacking formation of individual sub-magnet steel 21 (not shown).Such as, in the example of fig. 1, magnet steel 21 is one,
Thus, it is possible to improve the overall construction intensity of rotor 2 further, when reducing rotary inertia and motor operation, radial electromagnetic force draws
The deformation of the rotor 2 risen and vibration, thus improve manufacturing and the safety of rotor 2.Additionally, magnet steel 21 is structure as a whole
Time, rotor 2 cylindrical is beated little, and the most whole motor volume is less, can make the inner surface of stator 1 and rotor 2 outer surface it
Between gap evenly, significantly reduce gap fraction defective, thus improve the reliability of motor.
According to embodiments more of the present utility model, rotor core 22 forms as one structure or multi-segment structure.Namely
Saying, rotor core 22 can be one-body molded, it is also possible to is formed by many cross-talks rotor core 22 (not shown) is axially stacking.Example
As, in the example of fig. 1, rotor core 22 is structure as a whole.Thus, further increasing the overall construction intensity of rotor 2,
Reduce deformation and the vibration of the rotor 2 that radial electromagnetic force causes when rotary inertia and motor run, thus improve further
The manufacturing of rotor 2 and safety
According to embodiments more of the present utility model, rotor core 22 is formed as cylindrical or truncated cone-shaped, simple in construction, just
In processing, thus improve working (machining) efficiency, reduce processing cost.
Alternatively, rotor core 22 is cast member or machined piece.It is to say, rotor core 22 can by casting or
Person's process for machining molding.Technique is simple, and processing cost is low.
Further, motor also includes that balance weight 3, balance weight 3 can be located at the axial two ends of rotor 2.Thus, further
Improve the balance of rotor 2, thus improve the balance of motor, reduce vibration and the noise of motor.
According to the motor for micro-compressor 100 of this utility model embodiment, by rationally arranging stator 1 and rotor
Gap between 2, is effectively improved the efficiency of motor, decreases the loss of motor, improve motor run time torque and turn
The stationarity of speed, reduces vibration and the noise of motor.Additionally, also improve the intensity of rotor 2, reduce rotary inertia and electricity
The deformation of rotor 2 that when machine runs, radial electromagnetic force causes and vibration, thus improve manufacturing and the safety of rotor 2.
According to the micro-compressor 100 of this utility model second aspect embodiment, including according to this utility model above-mentioned
On the one hand the motor for micro-compressor 100 of embodiment.Wherein, rotor core 22 is passed through to be cast or machined into by aluminum
During type, the external diameter of the internal diameter of rotor core 22 and micro-compressor 100 bent axle with interference fit, or can be joined by the mode of colding pressing
Close, or connect by screw is fixing.
According to embodiments more of the present utility model, the internal diameter of the housing of micro-compressor 100 is less than or equal to 51mm.By
This, further reduce the overall volume of micro-compressor 100.
According to the micro-compressor 100 of this utility model second aspect embodiment, by arranging according on this utility model
State the motor for micro-compressor 100 of first aspect embodiment, improve the overall performance of micro-compressor 100.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out multiple change, revise, replace
And modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. the motor for micro-compressor, it is characterised in that including:
Stator；With
Rotor, described rotor is located in described stator, the gap between outer surface and the inner surface of described stator of described rotor
Meet for L, described L: 0.1mm≤L≤0.4mm.
Motor for micro-compressor the most according to claim 1, it is characterised in that described rotor includes:
Magnet steel；With
Rotor core, described rotor core is located on described magnet steel, and described rotor core is structural steel elements, carbon structural steel
Part or aluminum component.
Motor for micro-compressor the most according to claim 2, it is characterised in that when described rotor core is structure
During steel part, the phosphorus content of described structural steel elements is C, and described C meets: 0.12%≤C≤0.5%.
Motor for micro-compressor the most according to claim 2, it is characterised in that described magnet steel is magnet ring, described
Rotor core is bonded in described magnet steel.
Motor for micro-compressor the most according to claim 2, it is characterised in that described magnet steel is one or many
Individual.
Motor for micro-compressor the most according to claim 2, it is characterised in that described rotor core is formed as one
Body structure or multi-segment structure.
7. according to the motor for micro-compressor according to any one of claim 2-6, it is characterised in that described rotor ferrum
Core is formed as cylindrical or truncated cone-shaped.
8. according to the motor for micro-compressor according to any one of claim 2-6, it is characterised in that described rotor ferrum
Core is cast member or machined piece.
9. a micro-compressor, it is characterised in that include according to according to any one of claim 1-8 for Mini compressed
The motor of machine.
Micro-compressor the most according to claim 9, it is characterised in that the internal diameter of the housing of described micro-compressor is little
In equal to 51mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687737.XU CN205846901U (en) | 2016-06-30 | 2016-06-30 | For the motor of micro-compressor and the micro-compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687737.XU CN205846901U (en) | 2016-06-30 | 2016-06-30 | For the motor of micro-compressor and the micro-compressor with it |
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| Publication Number | Publication Date |
|---|---|
| CN205846901U true CN205846901U (en) | 2016-12-28 |
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ID=58150382
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687737.XU Active CN205846901U (en) | 2016-06-30 | 2016-06-30 | For the motor of micro-compressor and the micro-compressor with it |
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| CN (1) | CN205846901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114465384A (en) * | 2021-12-28 | 2022-05-10 | 黄石东贝电机有限公司 | Refrigerator compressor variable frequency motor rotor made of strip steel |
-
2016
- 2016-06-30 CN CN201620687737.XU patent/CN205846901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114465384A (en) * | 2021-12-28 | 2022-05-10 | 黄石东贝电机有限公司 | Refrigerator compressor variable frequency motor rotor made of strip steel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |