CN207573110U - Structure of mover and with its motor - Google Patents
Structure of mover and with its motor Download PDFInfo
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- CN207573110U CN207573110U CN201721819931.XU CN201721819931U CN207573110U CN 207573110 U CN207573110 U CN 207573110U CN 201721819931 U CN201721819931 U CN 201721819931U CN 207573110 U CN207573110 U CN 207573110U
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- mover
- ring structure
- outer ring
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Abstract
The utility model provides a kind of Structure of mover and with its motor.Structure of mover includes mover body, and mover body includes：Ring structure in mover；Mover outer ring structure, the periphery of ring structure in mover, ring structure and mover outer ring structure are separately set in mover, wherein, mover outer ring structure is made of the first silicon steel sheet, and the thickness of the first silicon steel sheet is more than or equal to 0.05mm and less than or equal to 0.25mm；Permanent magnet is arranged on mover outer ring structure.Using the technical solution of the utility model, electric efficiency is improved.
Description
Technical field
The utility model is related to motor field, in particular to a kind of Structure of mover and with its motor.
Background technology
As human lives are more and more intelligent, every field is higher and higher to the performance and reliability requirement of motor, needs
The amount of asking is more and more.Each motor producer is all in the motor product for making every effort to develop high efficiency, high reliability and low cost.
Fig. 1 and Fig. 2 is electric machine structure schematic diagram of the prior art.As shown in Figure 1, motor include mover ontology 10 ' and
The stator structure of 10 ' periphery of mover ontology is set in, mover ontology 10 ' is equipped with the mounting groove 111 ' of installation permanent magnet 40 ', fixed
Clamp mechanism includes stator body 20 ' and stator winding 21 ', and mover ontology 10 ' is equipped with the axially extending bore for installing shaft
30’.Structure of mover, stator structure, shaft and electricity of the prior art is collectively constituted set on the intrinsic permanent magnet 40 ' of mover
Machine.
In order to pursue the high-performance of such motor, the silicon steel sheet for usually selecting magnetic property good is used for making mover for motor producer
Ontology, but the problem of cost improves is brought again.Therefore, how electric efficiency is improved, is that those skilled in the art need to solve
Certainly the problem of.
Utility model content
The main purpose of the utility model is that providing a kind of Structure of mover and with its motor, motor effect is improved
Rate.
To achieve these goals, one side according to the present utility model provides a kind of Structure of mover, Structure of mover
Including mover body, mover body includes：Ring structure in mover；Mover outer ring structure, the periphery of ring structure in mover are moved
Ring structure and mover outer ring structure are separately set in son, wherein, mover outer ring structure is made of the first silicon steel sheet, the first silicon steel sheet
Thickness be more than or equal to 0.05mm and less than or equal to 0.25mm；Permanent magnet is arranged on mover outer ring structure.
Further, ring structure is made of the second silicon steel sheet in mover, wherein, the thickness of the second silicon steel sheet is more than the first silicon
Ring structure is made of metal of the magnetic conductivity less than the first silicon steel sheet in the thickness or mover of steel disc.
Further, mover outer ring structure is set in the periphery of ring structure in mover, mover outer ring structure and mover inner ring
Clearance fit between structure.
Further, in mover outer ring structure and mover between ring structure bonding connection or connected by heat seal mode or
Person is connected by being cold-pressed mode.
Further, in mover outer ring structure and mover between ring structure during bonding connection, the outer wall of ring structure in mover
Face is equipped with glue groove.
Further, Structure of mover includes multiple glue grooves, and multiple glue grooves are between the central axis of mover inner ring structure
Every setting.
Further, ring structure is equipped with multiple lightening grooves either multiple lightening holes multiple lightening grooves or more in mover
A lightening hole is arranged at intervals around the axis of mover inner ring structure.
Further, mover outer ring structure is equipped with multiple mounting groove groups for being used to install permanent magnet, multiple mounting groove groups
Along being provided at circumferentially spaced for mover outer ring structure.
Further, mounting groove group includes one or more mounting groove.
Further, when mounting groove is two, there is angle, so that mounting groove group is V-shaped between two mounting grooves.
Another aspect according to the present utility model provides a kind of motor, including Structure of mover and is arranged on Structure of mover
The stator structure of periphery, Structure of mover are aforementioned Structure of mover.
Using the technical solution of the utility model, mover body is set as ring structure and mover outer ring structure two in mover
Part, and mover outer ring structure uses thickness to be made of the first silicon steel sheet of 0.05mm to 0.25mm.Since silicon steel sheet has height
Magnetic conductivity, and silicon steel sheet is thinner, smaller using the motor eddy-current loss of the silicon steel sheet, electric efficiency is higher.Further, by existing
There is technology it is found that the magnetic circuit of the Structure of mover of motor is made of two parts, a part is to form effective magnetic of electric machine rotary magnetic field
Path, another part are the flux closure circuits for not forming electric machine rotary magnetic field.Mover outer ring structure is made of silicon steel sheet,
The useful flux path of electric machine rotary magnetic field is used to form, the high magnetic permeability of silicon steel sheet ensure that Structure of mover has sufficient magnetic flux
Path further improves electric efficiency.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structure diagram of motor of the prior art；
Fig. 2 shows magnetic flux path distribution schematic diagrams during motor no-load of the prior art；
Fig. 3 shows the composition structure diagram of the embodiment one of Structure of mover according to the present utility model；
Fig. 4 shows enlarged diagram at C in Fig. 3；
Fig. 5 shows the structure diagram of motor according to the present utility model；And
Fig. 6 shows the structure diagram of the embodiment two of the Structure of mover of motor according to the present utility model.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, mover body；11st, mover outer ring structure；111st, mounting groove；12nd, ring structure in mover；121st, glue groove；
122nd, lightening grooves；20th, stator body；21st, stator winding；30th, axially extending bore；40th, permanent magnet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
Embodiment one：
As shown in Figures 3 to 5, the embodiment one of the utility model provides a kind of Structure of mover.Structure of mover includes dynamic
Sub- main body 10, mover body 10 include ring structure 12 and mover outer ring structure 11 in mover；Mover outer ring structure 11 is located at mover
The periphery of interior ring structure 12, ring structure 12 and mover outer ring structure 11 are separately set in mover, wherein, mover outer ring structure 11 by
First silicon steel sheet is made, and the thickness of the first silicon steel sheet is more than or equal to 0.05mm and less than or equal to 0.25mm；Permanent magnet 40, is arranged on
On mover outer ring structure 11.
In the utility model, mover body 10 is set as ring structure 12 and mover outer ring structure 11 two in mover
Point, and mover outer ring structure 11 uses thickness to be made of the first silicon steel sheet of 0.05mm to 0.25mm.Since silicon steel sheet has height
Magnetic conductivity, and silicon steel sheet is thinner, smaller using the motor eddy-current loss of the silicon steel sheet, electric efficiency is higher.Further, by existing
There is technology it is found that the magnetic circuit of the Structure of mover of motor is made of two parts, a part is to form effective magnetic of electric machine rotary magnetic field
Path, another part are the flux closure circuits for not forming electric machine rotary magnetic field.Mover outer ring structure 11 uses silicon steel sheet system
Into being used to form the useful flux path of electric machine rotary magnetic field, it is sufficient that the high magnetic permeability of silicon steel sheet ensure that Structure of mover has
Magnetic flux path further improves electric efficiency.
When ring structure 12 is made of magnetic conductivity less than the metal of the first silicon steel sheet in mover, ring structure 12 and mover in mover
Outer ring structure 11 is made of the material of different magnetic conductivities, and the permeability of mover outer ring structure 11 is more than ring structure in mover
12 permeability, the magnetic conductivity of material is higher, and the price of material is higher.By the prior art it is found that as shown in Fig. 2, motor
The magnetic circuit of Structure of mover be made of A and B two parts, part A is to form the useful flux path of electric machine rotary magnetic field, part B
It is the flux closure circuit for not forming electric machine rotary magnetic field.Therefore, the portion in the flux closure path of electric machine rotary magnetic field is not formed
Divide, do not need to the material of high magnetic flux rate.In the utility model, the first high silicon steel sheet system of the application of mover outer ring structure 11 magnetic flux rate
Into forming the useful flux path of motor-field, the low material of the application magnetic conductivity of ring structure 12, does not form motor rotation in mover
The flux closure access in magnetic field.Relative in the prior art, for mover body 10 is formed for a kind of material, high magnetic flux rate is moved
Sub- outer ring structure 11 ensures that Structure of mover has sufficient useful flux path, improves the efficiency of motor；Ring structure in mover
12 use the material of low magnetic flux rate, reduce motor cost.Therefore, by above-mentioned setting, it both ensure that motor had high electricity
Engine efficiency, and reduce the cost of manufacture of motor.
When ring structure 12 is made of the second silicon steel sheet in mover, the thickness of the second silicon steel sheet is more than the thickness of the first silicon steel sheet
Degree, above that is, mover outer ring structure 11 is made of the first silicon steel sheet, ring structure 12 uses the second silicon steel sheet in mover
It is made, the thickness of the second silicon steel sheet is more than the thickness of the first silicon steel sheet.By the prior art it is found that the thickness of silicon steel sheet is thinner, silicon
The price of steel disc is higher.Since ring structure 12 does not need to be formed the flux closure circuit of motor-field in mover, to material
Eddy-current loss it is of less demanding, so the thickness of the second silicon steel sheet does not influence the efficiency of motor.Therefore, ring structure 12 is adopted in mover
It is made with thickness more than the second silicon steel sheet of 0.25mm, does not interfere with electric efficiency, and relative to mover body 10 using the
For one silicon steel sheet is made, cost of manufacture is greatly reduced.
Preferably, in the embodiment of the utility model, ring structure 12 is made of aluminum in mover, and mover outer ring structure 11 is by
One silicon steel sheet is made.The magnetic conductivity of first silicon steel sheet is high, is used to form the flux closure circuit of electric machine rotary magnetic field, and the first silicon
Steel disc is thin, and eddy-current loss is small, improves electric efficiency；Aluminium is cheap, does not need to form flux closure circuit for making
Ring structure in mover reduces the cost of manufacture of motor.
Specifically, magnetic flux rate is as follows to the impact analysis of electric efficiency：
F=φ R
F is motor magnetomotive force, and Ф is motor magnetic flux, and R is magnetic resistance of motor, and L is magnetic circuit average length, and S is the average horizontal stroke of magnetic circuit
Sectional area, μ are silicon steel material magnetic conductivity.L and S is related with electric machine structure size, and F is related with magnet steel performance.By formula it is found that
The magnetic conductivity of silicon steel sheet is higher, and magnetic resistance is smaller, and motor magnetic flux is bigger, and electric efficiency is higher.
In addition, silicon steel piece performance directly affects the size of iron loss with thickness.Iron loss is by magnetic hystersis loss and eddy-current loss two
Divide and form, calculation formula is as follows：
Ph=ChfBmnV
Pe=Ce△2f2Bm2V
PhFor magnetic hystersis loss, PeFor eddy-current loss.ChFor hysteresis loss coefficient, depending on the property of material, magnetic property is better
Silicon steel sheet magnetic hystersis loss it is smaller.CeThe resistivity of material is inversely proportional to, silicon steel sheet resistivity is bigger, and eddy-current loss is smaller, and △ is
Silicon steel sheet thickness, silicon steel sheet is thinner, and eddy-current loss is smaller.Therefore, by analyze above it is found that by magnetic property is better, resistivity more
The Structure of mover iron loss that big and thinner silicon steel sheet is formed is smaller, and it is higher that smaller electric efficiency is lost.
For example, using the volume of stator core as 1m3Motor for, the rated frequency of motor is 250Hz, maximum magnetic induction
Intensity B=1.8T, Ce1.5 are taken, when mover outer ring structure 11 is made of the silicon steel sheet of different-thickness, corresponding vortex damage
Consume PeIt is shown in Table 1：
Table 1
As seen from Table 1, with the increase of silicon steel sheet thickness, the eddy-current loss of motor significantly increases.Therefore, mover outer shroud
Structure 11 uses silicon steel sheet of the thickness for 0.05mm to 0.25mm, and the eddy-current loss of motor is smaller, improves electric efficiency.
Further, ring structure 12 accounts for the major part of entire Structure of mover volume in mover, so, ring structure 12 in mover
It is cheap using the material price of low magnetic permeability, reduce cost of manufacture.
So by above-mentioned setting, the efficiency of motor is effectively increased, reduces motor cost.
Certainly, the silicon steel sheet that the material of ring structure 12 is not limited to aluminium in mover or magnetic conductivity is relatively low, thickness is larger
Or other cheap metal materials are made.
As shown in Figure 3 and Figure 5, in the embodiment one of the utility model, mover outer ring structure 11 is set in mover inner ring knot
The periphery of structure 12, clearance fit between ring structure 12 in mover outer ring structure 11 and mover.
Specifically, mover outer ring structure 11 is set-located to form mover body 10 with ring structure 12 in mover, outside mover
Ring structure 11 and 12 clearance fit of ring structure in mover, for interference fit, reduce the deflection of Structure of mover.
As shown in Figure 3 and Figure 5, in the embodiment one of the utility model, ring structure 12 in mover outer ring structure 11 and mover
Between bonding connection.
By above-mentioned setting, connection mode is simple, easy to operate.Certainly, the replacement not provided in the utility model is implemented
Can also be connected in example, in mover outer ring structure 11 and mover by heat seal mode between ring structure 12 or by cold pressing mode or
Other alternative modes are attached, as long as can ensure ring structure 12 in mover outer ring structure 11 and mover being connected to one
The mode risen, is within the protection scope of the utility model.
As shown in Figure 3 and Figure 4, in the embodiment one of the utility model, ring structure 12 in mover outer ring structure 11 and mover
Between bonding connection when, the outside wall surface of ring structure 12 is equipped with glue groove 121 in mover.
Specifically, filled with glue in glue groove 121, for ring structure 12 in mover outer ring structure 11 and mover to be bonded
Together.Above-mentioned setting method is simple, easy to operate.
As shown in Figure 3 and Figure 4, in the embodiment one of the utility model, Structure of mover includes multiple glue grooves 121, multiple
Glue groove 121 is arranged at intervals around the central axis of mover inner ring structure 12.
By above-mentioned setting, the bonding strength between ring structure 12 in mover outer ring structure 11 and mover is increased.
As shown in Figure 3 and Figure 5, in the embodiment one of the utility model, ring structure 12 is equipped with multiple lightening grooves in mover
122, multiple lightening grooves 122 are arranged at intervals around the axis of mover inner ring structure 12.
Specifically, lightening grooves 122 are arranged in mover on the peripheral surface of ring structure 12, the depth directions of lightening grooves 122 by
The direction at the periphery of ring structure 12 towards axial place extends, and subtract on the axial direction of ring structure 12 in mover in mover
Baking soda 122 is through slot.
By above-mentioned setting, ring structure 12 removes material on the basis of its own intensity is ensured in mover, mitigates itself
Weight so as to reduce the inertia of Structure of mover, and then reduces the weight and inertia of motor.
Specifically, in mover in the circumferential direction of ring structure 12, glue groove 121 is between two neighboring lightening grooves 122.
Certainly, in the unshowned alternate embodiment of the utility model, also loss of weight can be set on ring structure 12 in mover
Hole as long as can not influence in mover under the premise of the self-strength of ring structure 12, can play and mitigate own wt
Mode is within the protection scope of the utility model.
As shown in Figure 3 and Figure 5, in the embodiment one of the utility model, mover outer ring structure 11 is used to pacify equipped with multiple
Fill the mounting groove group of permanent magnet 40, multiple mounting groove group being provided at circumferentially spaced along mover outer ring structure 11.
Specifically, in the embodiment of the utility model, using the electric mover structure of 40 baried type of permanent magnet, forever
40 embedded motor Structure of mover of magnet has higher reliability than permanent magnet surface-mount type electric mover structure.Therefore, mover
Outer ring structure 11 is equipped with multiple mounting groove groups for being used to install permanent magnet 40, and multiple permanent magnets 40 are in mover outer ring structure 11
Axial direction on be arranged at intervals, ensure that the Structure of mover have higher reliability.
Preferably, in the embodiment one of the utility model, mounting groove group includes a mounting groove 111.
It of courses, in the unshowned alternate embodiment of the utility model, motor is not limited to permanent magnet submerged type
The production method of the Structure of mover of the application can also be used in motor, the motor of other structures.
As shown in Figure 3 and Figure 5, in the embodiment one of the utility model, ring structure 12 in mover outer ring structure 11 and mover
It is separately set.
Specifically, in the embodiment of the utility model one, in mover outer ring structure 11 and mover 12 split of ring structure set
It puts, and different materials is respectively adopted and are made, not only ensure that Structure of mover has high working efficiency, but also reduces Structure of mover
Cost.It of courses, in the alternate embodiment not provided in the utility model, ring structure 12 in mover outer ring structure 11 and mover
Can integral structure be set as by injection molding process.
As shown in figure 5, the utility model additionally provides a kind of motor.Motor includes Structure of mover and is arranged on Structure of mover
The stator structure of periphery, Structure of mover are aforementioned Structure of mover.
Specifically, stator structure includes stator body 20 and stator winding 21, the axially extending bore 30 of ring structure 12 in mover
In be equipped with shaft.Structure of mover, stator structure, shaft and the permanent magnet 40 that is located in Structure of mover together constitute motor.
Embodiment two
Embodiment two and embodiment one the difference lies in：As shown in fig. 6, in the embodiment two of the utility model, when
When mounting groove 111 is two, there is angle, so that the V-shaped structure of mounting groove group between two mounting grooves.Specifically, such as Fig. 6 institutes
Show, be arranged at intervals between adjacent mounting groove 111, the openend of v-shaped structure is towards the outer edge of mover outer ring structure 11, V-arrangement
Side where the tip end of structure towards ring structure in mover 12.
The other structures of the present embodiment two are identical with embodiment one, and details are not described herein again.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：Mover
Structure includes mover body, and mover body is made of ring structure in mover and mover outer ring structure.Mover inner ring structure setting exists
The periphery of ring structure in mover, mover outer ring structure and ring structure in mover are made, and mover using the different material of magnetic conductivity
The magnetic conductivity of outer ring structure material is more than the magnetic conductivity of mover inner ring structural material.Since the magnetic conductivity of material is higher, material
Price is higher, and the volume of ring structure accounts for the major part of entire Structure of mover volume in mover.Therefore, mover outer ring structure uses
The silicon steel sheet of high magnetic permeability is made, and forms the useful flux path of Structure of mover, and the resistivity of silicon steel sheet is bigger, magnetic property is got over
Good, Structure of mover iron core iron loss is smaller, and then electric efficiency is higher；Ring structure is using the relatively low common metal of magnetic conductivity in mover
It is made, such as aluminium, ring structure is not necessarily forming the flux closure circuit of electric machine rotary magnetic field, therefore the material pair of low magnetic permeability in mover
Motor performance will not have an impact.Further, ring structure is equipped with lightening grooves in mover, is ensureing mover inner ring structural strength
On the basis of carry out material removal, the own wt of Structure of mover is alleviated, so as to alleviate the rotary inertia of mover mechanism.It is comprehensive
Upper described, the technical solution of the utility model saves the cost of manufacture of Structure of mover, improves electric efficiency, alleviates electricity
The weight of machine reduces the rotary inertia of motor.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of Structure of mover, which is characterized in that the Structure of mover includes mover body (10), mover body (10) packet
It includes：
Ring structure (12) in mover；
Mover outer ring structure (11), the periphery of ring structure (12) in the mover, ring structure (12) and institute in the mover
Mover outer ring structure (11) is stated to be separately set, wherein, the mover outer ring structure (11) is made of the first silicon steel sheet, and described first
The thickness of silicon steel sheet is more than or equal to 0.05mm and less than or equal to 0.25mm；
Permanent magnet (40) is arranged on the mover outer ring structure (11).
2. Structure of mover according to claim 1, which is characterized in that ring structure (12) is by the second silicon steel sheet in the mover
It is made, wherein, the thickness of second silicon steel sheet is more than ring structure in the thickness or the mover of first silicon steel sheet
(12) it is made of metal of the magnetic conductivity less than first silicon steel sheet.
3. Structure of mover according to claim 1, which is characterized in that the mover outer ring structure (11) is set in described dynamic
The periphery of ring structure (12) in son, clearance fit between ring structure (12) in the mover outer ring structure (11) and the mover.
4. Structure of mover according to any one of claim 1 to 3, which is characterized in that the mover outer ring structure (11)
And bonding connection is either connected by heat seal mode or is connected by cold pressing mode between ring structure (12) in the mover.
5. Structure of mover according to claim 4, which is characterized in that in the mover outer ring structure (11) and the mover
Between ring structure (12) during bonding connection, the outside wall surface of ring structure (12) is equipped with glue groove (121) in the mover.
6. Structure of mover according to claim 5, which is characterized in that the Structure of mover includes multiple glue grooves
(121), the central axis of the multiple glue groove (121) ring structures (12) in the mover is arranged at intervals.
7. Structure of mover according to any one of claim 1 to 3, which is characterized in that ring structure (12) in the mover
Be equipped with multiple lightening grooves (122) either the multiple lightening grooves of multiple lightening holes (122) or the multiple lightening hole around institute
The axis for stating ring structure in mover (12) is arranged at intervals.
8. Structure of mover according to any one of claim 1 to 3, which is characterized in that the mover outer ring structure (11)
It is equipped with multiple for installing the mounting groove groups of the permanent magnet (40), multiple mounting groove groups are along the mover outer ring structure
(11) be provided at circumferentially spaced.
9. Structure of mover according to claim 8, which is characterized in that the mounting groove group is installed including one or more
Slot (111).
10. Structure of mover according to claim 9, which is characterized in that when the mounting groove is two, two peaces
There is angle, so that the mounting groove group is V-shaped between tankage.
11. a kind of motor, including Structure of mover and the stator structure for being arranged on the Structure of mover periphery, which is characterized in that institute
Structure of mover is stated as the Structure of mover described in any one of claims 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721819931.XU CN207573110U (en) | 2017-12-20 | 2017-12-20 | Structure of mover and with its motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721819931.XU CN207573110U (en) | 2017-12-20 | 2017-12-20 | Structure of mover and with its motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110926A (en) * | 2017-12-20 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Structure of mover and with its motor |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110926A (en) * | 2017-12-20 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Structure of mover and with its motor |
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