CN205544871U - Linear electric motor and compressor - Google Patents
Linear electric motor and compressor Download PDFInfo
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- CN205544871U CN205544871U CN201620027530.XU CN201620027530U CN205544871U CN 205544871 U CN205544871 U CN 205544871U CN 201620027530 U CN201620027530 U CN 201620027530U CN 205544871 U CN205544871 U CN 205544871U
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- magnetitum
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Abstract
The utility model discloses a linear electric motor and use its compressor belongs to the relevant technical field of motor, and this linear electric motor is including the active cell of reciprocal vibration and to lie in the active cell outer a plurality of to the stator, and the stator includes stator core, is equipped with the magnetite that two at least intervals set up on the active cell, and two adjacent magnetites are opposite with the polarity of one side, and the interval department that stator core corresponds two adjacent magnetites inlays and is equipped with at a distance from magnetism spare. The utility model discloses an inlay in the interval department of corresponding two the adjacent magnetites of stator core and establish at a distance from magnetism spare, can effectively reduce the magnetic leakage between two adjacent magnetites, reduced the stator iron loss effectively, reduce motor weight, saved the motor cost, setting up supplementary magnetite on separating magnetism spare, when further reducing between two magnetites the magnetic leakage, can rise the ability of exerting oneself of motor unit's electric current, the performance of make full use of and performance magnetite, and supplementary magnetite also can play the effect of balanced active cell, can effectively reduce mechanical loss and mechanical wear that the active cell lateral deviation leads to.
Description
Technical field
This utility model relates to motor association area, particularly relates to a kind of linear electric motors and compressor.
Background technology
Linear compressor linear vibration motor uses c-type, E type, C-shaped ring shape etc., mostly for upper at present
For stating linear electric motors, due to its stator teeth, to laminate direction wider, it will usually arrange on mover two panels or
The Magnetitum of multi-disc spaced set, to ensure the performance of these linear electric motors.But above-mentioned linear electric motors exist
Problems with: move towards schematic diagram, as can be seen from the figure with reference to the stator teeth magnetic line of force shown in Fig. 1:
When the mover of these linear electric motors is in equilbrium position, two Magnetitums 100 thereon all have one end to be positioned at stator
Inside and opposite polarity, a part of magnetic line of force that now Magnetitum 100 sends can directly by stator teeth not
Interlinkage stator yoke just Guan Bi, causes bigger leakage field, about can therefore miss more than 30%, and leakage field is serious, leads
Sending a telegraph exerting oneself of machine to incur loss, iron loss increases simultaneously, Magnetitum consumption increases.
Currently also have by increasing the leakage field problem reducing above-mentioned existence by the way of Magnetitum spacing, but this kind of side
Formula can cause the brow leakage of Magnetitum another side more serious, it is impossible to makes full use of and play the performance of Magnetitum.
And between mover and the stator of existing linear electric motors, there is the problem of non-uniform air-gap, mover hangs down
Directly there is serious imbalance in tooth pole-face direction, there is bigger side force and make mover generation lateral deviation, lead
Cause linear electric motors and there is bigger side wear and mechanical wear.
Utility model content
The purpose of this utility model is that providing a kind of can effectively reduce the linear electric motors of magnetic leakage between Magnetitum.
Another object of the present utility model is to provide a kind of work efficiency height, performance more preferably compressor.
For reaching this purpose, on the one hand, this utility model by the following technical solutions:
A kind of linear electric motors, including mover of reciprocating vibration and be positioned at outside mover some to stator, described
Stator includes that stator core, described mover are provided with the Magnetitum that at least two spacing is arranged, two adjacent magnetic
The opposite polarity of stone the same side, is embedded with every magnetic at the spacing of corresponding adjacent two Magnetitums of described stator core
Part.
As preferably, when described mover is in equilbrium position, in corresponding adjacent two the Magnetitum spacing of magnetic part
Heart position is arranged.
As preferably, the described thickness every magnetic part is the 30%-55% of mover resonance amplitude.
As preferably, the described position every the teeth portion of magnetic part correspondence stator core is provided with auxiliary Magnetitum, described auxiliary
The polarity of magnetic assist stone side is identical with the Magnetitum being positioned at this side polarity near the side of auxiliary Magnetitum.
As preferably, the described position every the teeth portion of magnetic part correspondence stator core is provided with mounting groove, described auxiliary
Magnetitum is positioned at described mounting groove.
As preferably, the width H1 of described auxiliary Magnetitum is the 40%-70% of described teeth portion length L1, and thickness is little
In equal to the thickness every magnetic part.
As preferably, described every magnetic part include every magnetic part teeth portion and be connected with every magnetic part teeth portion every magnetic part
Yoke portion, described employing every magnetic part teeth portion is made every magnetic electrically non-conductive material, assists Magnetitum to be arranged on every magnetic part teeth portion
On.
As preferably, described employing every magnetic part yoke portion is made every magnetic electrically non-conductive material or permeability magnetic material, when every
When magnetic part yoke portion uses permeability magnetic material to make, it connects between the portion centers position of magnetic part teeth portion is provided with
Every.
As preferably, described offering some ventilation slots on magnetic part, described ventilation slot points to mover direction and sets
Put.
On the other hand, this utility model is by the following technical solutions:
A kind of compressor, including above-mentioned linear electric motors.
Linear electric motors of the present utility model by be embedded at the spacing of corresponding adjacent two Magnetitums of stator core every
Magnetic part, it is possible to effectively reduce magnetic leakage, stator iron loss and the motor weight between adjacent two Magnetitums, save
Motor cost；
Auxiliary Magnetitum is being set on magnetic part, further between two Magnetitums of reduction while magnetic leakage, it is possible to promote
The capacity of motor unitary current, makes full use of and plays the performance of Magnetitum；And assist Magnetitum also to be able to
Play the effect of balance mover, effectively reduce mechanical loss and mechanical wear that mover lateral deviation causes, averagely
Side force is reduced to below 1N, and has certain self-maintenance capability, it is ensured that size of gaps is uniform.
Compressor of the present utility model uses above-mentioned linear electric motors so that it is performance is obviously improved, and carries
High work efficiency.
Accompanying drawing explanation
Fig. 1 is that the stator teeth magnetic line of force of this utility model background technology cathetus motor moves towards schematic diagram；
Fig. 2 is the structural representation of the linear electric motors that this utility model preferred embodiment one provides；
Fig. 3 is the part-structure schematic diagram of the linear electric motors that this utility model preferred embodiment one provides；
Fig. 4 is the structural representation of the template mover of the linear electric motors that this utility model preferred embodiment one provides
Figure；
Fig. 5 is the structural representation of the square mover of the linear electric motors that this utility model preferred embodiment one provides
Figure；
Fig. 6 is that the stator teeth magnetic line of force trend of the linear electric motors that this utility model preferred embodiment one provides is shown
It is intended to；
Fig. 7 be this utility model preferred embodiment one provide linear electric motors be provided with ventilation slot every magnetic part
Structural representation；
Fig. 8 is the part knot of the linear electric motors (mover is not shown) that this utility model preferred embodiment two provides
Structure schematic diagram；
Fig. 9 is that the linear electric motors (mover is not shown) of this utility model preferred embodiment two offer are every magnetic part yoke
Portion uses structural representation during permeability magnetic material；
Figure 10 is that the stator teeth magnetic line of force trend of the linear electric motors that this utility model preferred embodiment two provides is shown
It is intended to；
Figure 11 is the auxiliary magnetic of the linear electric motors (mover is not shown) that this utility model preferred embodiment two provides
Stone installation site schematic diagram.
In figure:
1, mover；2, stator；3, Magnetitum；4, every magnetic part；5, auxiliary Magnetitum；6, ventilation slot；
21, stator core；41, every magnetic part teeth portion；42, every magnetic part yoke portion；100, Magnetitum；211, teeth portion；
212, yoke portion；421, interval.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
Preferred embodiment one:
In description of the present utility model, it is to be understood that term " on ", D score, " front ",
Orientation or the position relationship of the instruction such as " afterwards ", "left", "right", " interior ", " outward " are based on attached
Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify describe rather than
Instruction or the device of hint indication or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to restriction of the present utility model.
Concrete, with reference to Fig. 2 and Fig. 3, the present embodiment provides a kind of linear electric motors, including mover 1 and
Stator 2, wherein mover 1 does of reciprocating vibration, and it can fix spring with one end, and another terminates output loading (example
As connect cylinder compresses gas), it is also possible to spring is all fixed at two ends, or two ends all connect output loading, fixing
During spring, the frequency setting of spring rate resonance as required.
In the present embodiment, as shown in Figure 4, mover 1 is plate profile structure, it is arranged at least two is parallel to be set
Being provided with spacing between the Magnetitum 3 put, and two adjacent Magnetitums 3, it uses NdFeB material to make, Magnetitum
The magnetizing direction of 3 is vertical with the direction of motion of mover 1, the opposite polarity of two adjacent Magnetitum 3 the same sides.
Above-mentioned mover 1 is not limited only to plate profile structure, it is also possible to be square structure (as shown in Figure 5), Magnetitum 3
It is arranged on the surrounding of this square structure, it is also possible to being polygon, arc, circular configuration, Magnetitum 3 is according to tool
Body structure is configured.In the present embodiment, it is plate profile structure that mover 1 is selected, and Magnetitum 3 is set to two.
What stator 2 was paired is arranged on the outside of mover 1, and the number of poles of stator 2 is the even number more than or equal to 2,
Such as when mover 1 is selected as square structure, the number of poles of stator 2 is 4；When selecting as plate profile structure, stator 2
Number of poles be 2.In the present embodiment, the number of poles of stator 2 is selected is 2 and being placed in outside mover 1 of stator about 2
Side, and arrange across two Magnetitums 3.
Said stator 2 includes stator core 21 and around the winding being located on stator core 21, wherein around
Being passed through the alternating current of certain frequency in group, stator 2 can produce electromagnetism that is identical with Magnetitum 3 polarity or that repel each other
Power, makes mover 1 resonance, and possesses the ability of output acting.Above-mentioned winding input AC one week of electricity
Phase correspondence mover 1 moves back and forth a cycle.With reference to Fig. 3, the polarity of stator 2 and the front side on mover 1
During the polar repulsion of Magnetitum 3, due to the opposite polarity of two Magnetitum 3 the same sides, the therefore polarity of stator 2
Attract each other with the polarity of the Magnetitum 3 of rear side so that mover 1 is by power forward, and mover 1 travels forward；
During the polar repulsion of the in like manner polarity of stator 2 and rear side Magnetitum 3, mover 1 is by power backward, rearward movement.
Stator core 21 is formed by multi-disc silicon steel plate stacking, and when the center of stator core 21 is with upper
When stating the center alignment of spacing between two Magnetitums 3, mover 1 is in equilbrium position.Stator core
21 include teeth portion 211 and yoke portion 212, and winding is around being located in teeth portion 211, and teeth portion 211 is positioned at mover 1
Both sides.Teeth portion 211 can use flat-type structure, it is possible to uses the three-dimensional knot such as polygon, arc, full circle
Structure.
With reference to Fig. 3, it is embedded with every magnetic part 4 at the spacing of corresponding adjacent two Magnetitums 3 of stator core 21,
Concrete, be provided with in the center of stator core 21 consistent with its shape every magnetic part 4, the most right
When stator core 21 laminates manufacture, heart position laminates every magnetic part 4 wherein, is used for reducing on mover 1 two
Magnetic leakage between Magnetitum 3.Preferably, when mover 1 is in equilbrium position, every corresponding adjacent two of magnetic part 4
The center of Magnetitum 3 spacing is arranged.In the present embodiment, it is set to two every magnetic part 4, is respectively placed in
On lower two stator cores 21.
In the present embodiment, the thickness every magnetic part 4 is the bigger the better in theory, but is as the thickness every magnetic part 4
Increase, the consumption of the winding of winding also can strengthen, and the copper loss resulted in and cost also can increase accordingly
Adding, therefore, the thickness every magnetic part 4 can not unconfined increase, by test of many times, by every magnetic part 4
Thickness selects the 30%-55% for mover 1 resonance amplitude.
In the present embodiment, the thickness of the stator core 21 every magnetic part 4 both sides is set greater than the humorous of mover 1
Amplitude, to ensure mover 1 resonance smoothly.
With reference to Fig. 9, above-mentioned include every magnetic part teeth portion 41 every magnetic part 4 and be connected with every magnetic part teeth portion 41
Every magnetic part yoke portion 42, wherein identical, every magnetic with teeth portion 211 shape of stator core 21 every magnetic part teeth portion 41
Part yoke portion 42 is identical with the shape in the yoke portion 212 of stator core 21.
In the present embodiment, above-mentioned every magnetic part teeth portion 41 and can all use every magnetic non-conductive every magnetic part yoke portion 42
Material is made, specifically can use not magnetically-conductive plastic part or other make every magnetic electrically non-conductive material, it is possible to only every magnetic
Part teeth portion 41 uses to be made every magnetic electrically non-conductive material, uses the magnetic conductions such as stalloy preferable every magnetic part yoke portion 42
Material is made.Above two structure, only need to ensure every magnetic part teeth portion 41 as every magnetic electrically non-conductive material i.e.
Can, so that the magnetic leakage between both sides Magnetitum 3 reduces.
The stator teeth magnetic line of force of the linear electric motors that Fig. 6 provides for the present embodiment moves towards schematic diagram, from this figure
It can be seen that arranging after magnetic part 4, relative to existing linear electric motors (Fig. 1 institute not set every magnetic part
Show), the magnetic leakage between two Magnetitums 3 on the mover 1 of the linear electric motors of the present embodiment significantly reduces, and has
Reducing stator iron loss to effect, during equal Magnetitum 3 consumption, motor capacity gets a promotion；And subtract
Lack the use of stalloy, reduced motor weight, save motor cost.
As preferred technical scheme, as it is shown in fig. 7, offering some ventilation slots 6 on magnetic part 4, on
State some ventilation slots 6 and point to the setting of mover 1 direction, make air-flow can pass through teeth portion 211 and the portion of stator 2
Divide yoke portion 212, reduce winding temperature rise, improving performance, it is also possible to the temperature of the Magnetitum 3 on reduction mover 1,
Promote its anti-demagnetization capability.
Preferred embodiment two:
The present embodiment structure to linear electric motors on the basis of preferred embodiment one has made further optimization,
Concrete, as shown in Figure 8, it is to be provided with auxiliary in the position of the teeth portion 211 every the corresponding stator core 21 of magnetic part 4
Magnetic assist stone 5, is i.e. arranging auxiliary Magnetitum 5 in magnetic part teeth portion 41.The polarity of above-mentioned auxiliary Magnetitum 5 side
Identical with the Magnetitum 3 being positioned at this side polarity near the side of auxiliary Magnetitum 5, it specifically refers to: with reference to figure
Direction shown in 10, when mover 1 is in equilbrium position, two Magnetitums 3 lay respectively at the two of auxiliary Magnetitum 5
Side, now, the magnetizing direction of auxiliary Magnetitum 5 above and the magnetizing of auxiliary Magnetitum 5 being positioned at lower section
In opposite direction, will be located in polarity on the left of the auxiliary Magnetitum 5 of top and be set to N pole, be positioned at the auxiliary magnetic of lower section
On the left of stone 5, polarity is then S pole, and the polarity being positioned at the side above the Magnetitum 3 in the left side on mover 1 is N
Pole, the polarity of the Magnetitum 3 on right side side above is then S pole.By arranging above-mentioned auxiliary Magnetitum 5, it is possible to
Further reduce the magnetic leakage between two Magnetitums 3, and can the capacity of lifting motor unitary current,
Make full use of and play the performance of Magnetitum 3；Auxiliary Magnetitum 5 also is able to play the effect of balance mover 1 simultaneously,
Can effectively reduce mechanical loss and mechanical wear that mover 1 lateral deviation causes, average side force be reduced to 1N with
Under, and there is certain self-maintenance capability, it is ensured that size of gaps is uniform.
In the present embodiment, this auxiliary Magnetitum 5 can be made up of Ru-Fe-Mn material, when not considering to play balanced dynamic
Son 1 effect when, it is possible to use Ferrite Material.The present embodiment preferably employs Ru-Fe-Mn material.
Being provided with mounting groove in magnetic part teeth portion 41, above-mentioned auxiliary Magnetitum 5 is positioned at mounting groove.Preferably,
As shown in figure 11, distance D1 of auxiliary Magnetitum 5 to teeth portion 211 end face is more than 3mm, to teeth portion 211 edge
Distance D2 more than 1mm, to distance D3 at edge, yoke portion 212 more than 3mm.
The 40%-70% that width H1 is teeth portion 211 length L1 of above-mentioned auxiliary Magnetitum 5, thickness less than or equal to every
The thickness of magnetic part 4.
With reference to Fig. 9, when using the permeability magnetic materials such as stalloy to make every magnetic part yoke portion 42, it connects every magnetic part
The center position of the part of teeth portion 41 is provided with interval 421, and this interval 421 can reduce auxiliary Magnetitum 5 one
The magnetic leakage produced from interlinkage of end, and then reduce because of auxiliary Magnetitum 5 leakage field impact on linear electric motors.Preferably
, the width D 4 at above-mentioned interval 421 is more than 4mm.
Below by the test of 3D finite element simulation to above preferred embodiment one and two kinds of preferred embodiment two
The performance of scheme is tested, and the Performance Simulation Results after test is as shown in table 1:
Table 1: Performance Simulation Results
By above-mentioned simulation result it is known that when preferred embodiment one is only arranged every magnetic part 4, its phase
For prior art, under equal input current, its iron loss is reduced；Preferred embodiment two is the most real
Auxiliary Magnetitum 5 is set on the basis of executing example one, it is possible to further function as the effect guiding magnetic circuit so that stator 2
Iron loss further reduce, and same drive the fan-out capability of linear electric motors under electric current to be improved.
Preferred embodiment three:
Present embodiments providing a kind of compressor, be specially a kind of linear compressor, it uses above-mentioned preferred reality
Execute the linear electric motors described in example one or preferred embodiment two so that its performance is obviously improved, work
Efficiency have also been obtained raising.
Obviously, above-described embodiment of the present utility model is only used to understand the act that explanation this utility model is made
Example, and it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field
For, can also make other changes in different forms on the basis of the above description.Here without
Also cannot all of embodiment be given exhaustive.All made within spirit of the present utility model and principle
Any amendment, equivalent and improvement etc., should be included in this utility model scope of the claims it
In.
Claims (10)
1. linear electric motors, including mover (1) of reciprocating vibration and be positioned at mover (1) outward some to stator (2), described stator (2) includes stator core (21), described mover (1) is provided with the Magnetitum (3) that at least two spacing is arranged, the opposite polarity of two adjacent Magnetitum (3) the same sides, it is characterized in that, be embedded with every magnetic part (4) at the spacing of corresponding adjacent two Magnetitums (3) of described stator core (21).
Linear electric motors the most according to claim 1, it is characterised in that when described mover (1) is in equilbrium position, are arranged every the center of corresponding adjacent two Magnetitum (3) spacing of magnetic part (4).
Linear electric motors the most according to claim 1, it is characterised in that the described thickness every magnetic part (4) is the 30%-55% of mover (1) resonance amplitude.
Linear electric motors the most according to claim 1, it is characterized in that, the described position every the teeth portion (211) of the corresponding stator core (21) of magnetic part (4) is provided with auxiliary Magnetitum (5), and the polarity of described auxiliary Magnetitum (5) side is identical with the Magnetitum (3) being positioned at this side polarity near the side of auxiliary Magnetitum (5).
Linear electric motors the most according to claim 4, it is characterized in that, the described position every the teeth portion (211) of the corresponding stator core (21) of magnetic part (4) is provided with mounting groove, and described auxiliary Magnetitum (5) is positioned at described mounting groove.
Linear electric motors the most according to claim 5, it is characterised in that the 40%-70% that width H1 is described teeth portion (211) length L1 of described auxiliary Magnetitum (5), thickness is less than or equal to the thickness every magnetic part (4).
Linear electric motors the most according to claim 6, it is characterized in that, described every magnetic part (4) include every magnetic part teeth portion (41) and be connected with every magnetic part teeth portion (41) every magnetic part yoke portion (42), described employing every magnetic part teeth portion (41) is made every magnetic electrically non-conductive material, and auxiliary Magnetitum (5) is arranged on magnetic part teeth portion (41).
Linear electric motors the most according to claim 7, it is characterized in that, described employing every magnetic part yoke portion (42) is made every magnetic electrically non-conductive material or permeability magnetic material, when using permeability magnetic material to make every magnetic part yoke portion (42), its connection is provided with interval (421) every the portion centers position of magnetic part teeth portion (41).
9., according to the arbitrary described linear electric motors of claim 1-8, it is characterised in that the described some ventilation slots (6) that offer on magnetic part (4), described ventilation slot (6) points to mover (1) direction and arranges.
10. a compressor, it is characterised in that include the linear electric motors as described in claim 1-9 is arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027530.XU CN205544871U (en) | 2016-01-11 | 2016-01-11 | Linear electric motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027530.XU CN205544871U (en) | 2016-01-11 | 2016-01-11 | Linear electric motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544871U true CN205544871U (en) | 2016-08-31 |
Family
ID=56764498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620027530.XU Active CN205544871U (en) | 2016-01-11 | 2016-01-11 | Linear electric motor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961200A (en) * | 2016-01-11 | 2017-07-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of linear electric motors and compressor |
| CN109450216A (en) * | 2018-12-22 | 2019-03-08 | 中国科学院宁波材料技术与工程研究所 | A kind of linear motor with lightweight mover |
-
2016
- 2016-01-11 CN CN201620027530.XU patent/CN205544871U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961200A (en) * | 2016-01-11 | 2017-07-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of linear electric motors and compressor |
| CN106961200B (en) * | 2016-01-11 | 2023-07-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Linear motor and compressor |
| CN109450216A (en) * | 2018-12-22 | 2019-03-08 | 中国科学院宁波材料技术与工程研究所 | A kind of linear motor with lightweight mover |
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| C14 | Grant of patent or utility model | ||
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