CN206448915U - Linear compressor - Google Patents
Linear compressor Download PDFInfo
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- CN206448915U CN206448915U CN201620902641.0U CN201620902641U CN206448915U CN 206448915 U CN206448915 U CN 206448915U CN 201620902641 U CN201620902641 U CN 201620902641U CN 206448915 U CN206448915 U CN 206448915U
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- stator
- mover
- linear compressor
- cylinder
- compressor according
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Abstract
The utility model provides a kind of linear compressor, including the mover and resonant spring shell and setting in the housing, the both ends of the shell are respectively arranged with stator, coil is provided with each stator, cylinder is provided with each stator, the mover is provided with piston corresponding with the cylinder, the piston is slidably arranged in the corresponding cylinder, permanent magnet corresponding with the stator is additionally provided with the mover, the resonant spring is provided between the mover and the stator.Realize and simplify the overall structure of linear compressor in order to quick assembling, and improve the electric efficiency of linear compressor.
Description
Technical field
The utility model is related to compressor, more particularly to a kind of linear compressor.
Background technology
At present, the compressor used in refrigeration plant has rotary and linear two kinds, linear compression of the prior art
Machine generally includes the parts such as shell, stator, coil, mover, piston, cylinder, spring rear baffle and spring composition;Wherein, mover
On be provided with magnet, magnet is inserted in the magnetic field space of stator formation, coil is equipped with stator, one end of piston is connected to mover
On, the other end of piston is inserted in the inner chamber of cylinder.In use, coil electricity produces alternating magnetic field driving and moved
Subband the motion of piston high-frequency reciprocating.But, only it is that one way is useful work during reciprocating motion of the pistons, return is idle work,
China Patent No. 200720087539.0 discloses a kind of pair of cylinder electromagnetic compressor, has been done when realizing piston reciprocating movement
Hard, still, technical scheme disclosed in above-mentioned patent sets resonant spring at the both ends of shell, and two coil arrangements are outside
The middle part of shell, in actual use, because the distance between two coils are relatively near, easily influences each other after coil electricity,
Easily occurs magnetic field saturation, causing the efficiency of compressor reduces.How a kind of simple in construction, ease of assembly and electric efficiency are designed
High straight line plasticator is technical problem to be solved in the utility model.
The content of the invention
Technical problem to be solved in the utility model is:A kind of linear compressor is provided, realizes and simplifies linear compressor
Overall structure in order to quick assembling, and improve the electric efficiency of linear compressor.
The technical scheme that the utility model is provided is, a kind of linear compressor, including shell and is arranged on the shell
In mover and resonant spring, the both ends of the shell are respectively arranged with stator, are provided with coil on each stator, often
Cylinder is provided with the individual stator, the mover is provided with piston corresponding with the cylinder, and the piston is slidably arranged in
In the corresponding cylinder, permanent magnet corresponding with the stator, the mover and the stator are additionally provided with the mover
Between be provided with the resonant spring.
Further, two coils are cascaded.
Further, the winding turns of two coils are identical, and the direction of winding of two coils is opposite.
Further, the magnetic pole of the permanent magnet of the mover both sides is opposite.
Further, the stator is fixed on the corresponding cylinder, and two stators are fixed by connector to be connected
It is connected together.
Further, the connector includes the first contiguous block and the second contiguous block, first contiguous block and wherein one
The stator is fixedly connected, and second contiguous block is fixedly connected with another stator, first contiguous block and described
Two contiguous blocks are removably attachable to together.
Further, the stator includes being provided with the coil on inner stator and external stator, the inner stator, described interior
Stator and the external stator are fixed on the corresponding cylinder, and the connector is welded or is bonded on the external stator.
Further, the resonant spring is provided between two stators, the mover is fixed on the resonance bomb
The middle part of spring;Or, the both sides of the mover are respectively arranged with the independent resonant spring.
Further, two cylinders are oppositely arranged, or, two cylinders are dorsad set.
The linear compressor that the utility model is provided, by setting correspondence on cylinder, cylinder respectively at the both ends of shell
Stator is provided with, mover is arranged between two stators so that the distance between two stators are sufficiently large, what two coils were produced
Magnetic field is mutually independent of each other, and to reduce the generation magnetic field saturation that influences each other between two stator coils, and two permanent magnets are same
When do work, motor force of the compressor in compressed gas is doubled, and is motor force, v according to input power P=F*v=α * I*v, F
It is mover speed, when the input power of compressor will keep constant, then the electric current I of compressor can decline one times, one side electric current
The higher hamonic wave loss reduction of compressor, is conducive to improving electric efficiency during reduction;Another aspect electric current reduces, and can avoid compression
It is higher that electric efficiency occurs for the permanent magnet demagnetization of machine;The resonant spring of compressor is arranged in the space between mover and stator,
Do not influenceed by diameter of stator bore size so that the simple and convenient assembling of overall structure, and effectively raise the electricity of linear compressor
Engine efficiency.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation one of the utility model linear compressor embodiment;
Fig. 2 is the structural representation two of the utility model linear compressor embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
As shown in figure 1, the present embodiment linear compressor, including shell 1 and the and of mover 2 that is arranged in the shell 1
Resonant spring 8, the both ends of the shell 1 are respectively arranged with stator 5, and each stator 5 is provided with coil and is fixedly connected with gas
Cylinder 3, the both sides of the mover 2 are respectively arranged with piston 4 corresponding with the cylinder 3, and the piston 4 is slidably arranged in corresponding
In the cylinder 3, the both sides of the mover 2 are also respectively provided with permanent magnet 7 corresponding with the stator 5, the mover 2 and institute
State and be provided with resonant spring 8 between stator 5.
Specifically, the present embodiment linear compressor sets cylinder 3 at the both ends of shell 1, and each cylinder 3 is configured with fixed
Son 5, and the piston 4 that the both sides of mover 2 are correspondingly arranged is moved back and forth in corresponding cylinder 3, in actual use, two
Stator 5 is spaced from each other so that the magnetic field that the coil 6 of stator 5 is produced will not interfere influence, also, each by control
The alternating current phases of coil 6 and the pole orientation of permanent magnet 7, just can realize that two permanent magnets 7 are produced in respective magnetic field
The magnetic force of raw equidirectional, so that direction identical superposed force is produced in mover 2, to increase the motor force of the generation of mover 2,
If being in compression refrigerant gaseous state for the cylinder 3 of one end, the cylinder 3 of the other end is then in absorption gas
State, and according to input power P=F*v=α * I*v, F is motor force, v is mover speed, and the input power of compressor will be kept not
During change, then the electric current I of compressor can decline one times, the higher hamonic wave loss reduction of compressor when one side electric current reduces, favorably
In raising electric efficiency;Another aspect electric current reduces, and the permanent magnet demagnetization generation electric efficiency of compressor can be avoided higher.Separately
Outside, as shown in figure 1, two cylinders 3 by the way of dorsad setting using being arranged in shell 1, or, as shown in Fig. 2 in order to enter one
The distance between two stators 5 of increase of step, and overall dimensions are reduced, two cylinders 3 are arranged on by the way of being oppositely arranged
In shell 1.Wherein, cylinder 3 can be by the way of being directly fixedly connected with stator 5, can also be between cylinder 3 and stator 5
Increase intermediate connector, for example:Intermediate connector can use forward flange, and cylinder 3 and stator 5 are fixedly connected on by forward flange
Together.
Further, for simplify control mode, two coils 6 are cascaded, the coiling of two coils 6
The number of turns is identical, and two coils 6 direction of winding on the contrary, simultaneously, the magnetic pole of the permanent magnet 7 of the both sides of mover 2 is opposite.
Specifically, a piston 4 of compressor is when being compressed process, another piston 4 is carrying out breathing process, two, compressor
Line, the wire in 6 is cascaded structure, and size of current is identical in two after energization coil 6(Electric current is I), in opposite direction, institute's shape
Into magnetic direction on the contrary, acting on two opposite permanent magnets of pole orientation 7, two permanent magnets 7 produce phase Tongfang respectively
To motor force(F1=α 1*I, F2=α 2*I, α 1, α 2 are the coefficient of electrical machinery of motor), permanent magnet 7 causes mover 2 to move and act on
On piston 4, the motor force on such piston 4 is doubled(F=F1+F2=α1*I+α2*I).
Further, the stator 5 is fixed on the corresponding cylinder 3, and two stators 5 pass through connector 9
It is fixed together.Specifically, each cylinder 3 and stator 5 and the coil 6 one independent motor mould of formation connected thereon
Block, during actual assembled, two motor modules are fixed together by connector 9 and in shell 1, its
In, connector 89 includes the first contiguous block 91 and the second contiguous block 92, and first contiguous block 91 is consolidated with stator 5 wherein described in one
Fixed connection, second contiguous block 92 is fixedly connected with another stator 5, first contiguous block 91 and second connection
Block 92 is bolted to connection together, in actual mechanical process, contiguous block first can be fixed on into corresponding stator 5
On, and the connected mode of contiguous block and stator 5 can using welding or the fixed form such as Nian Jie, wherein, stator 5 includes inner stator
51 and external stator 52, it is provided with the coil 6 on the inner stator 51, the inner stator 51 and the external stator 52 are fixed on pair
On the cylinder 3 answered, the connector 9 is welded or is bonded on the external stator 52.
Further, the resonant spring 8 in the present embodiment can use two-part structure, it would however also be possible to employ a resonance body
Resonant spring 8, for the resonant spring 8 using one, is then arranged between two stators 5 by spring 8, and mover 2 is fixed on
The centre position of resonant spring 8;And for using two-part resonant spring 8, then each resonant spring 8 be located at mover 2 with it is right
Between the stator 5 answered.
The control method of the utility model linear compressor is:
During linear compressor no power, the permanent magnet of mover both sides is located at the medium position of correspondence stator;
Linear compressor is passed through after positive alternating current, and the coil in stator produces alternating magnetic field, the permanent magnet of mover both sides
The magnetic force towards linear compressor first end direction is produced in corresponding alternating magnetic field, positioned at linear compressor first end
Cylinder compression refrigerant gas at portion position, and the cylinder absorption refrigeration agent gas at linear compressor the second end position
Body;
Linear compressor is passed through after Opposed crossing electricity, and the coil in stator produces alternating magnetic field, the permanent magnet of mover both sides
The magnetic force towards linear compressor the second end direction is produced in corresponding alternating magnetic field, positioned at linear compressor first end
Cylinder absorption refrigeration agent gas at portion position, and the cylinder compression refrigerant gas at linear compressor the second end position
Body.
The linear compressor that the utility model is provided, by setting correspondence on cylinder, cylinder respectively at the both ends of shell
Stator is provided with, mover is arranged between two stators so that the distance between two stators are sufficiently large, what two coils were produced
Magnetic field is mutually independent of each other, and to reduce the generation magnetic field saturation that influences each other between two stator coils, and two permanent magnets are same
When do work, motor force of the compressor in compressed gas is doubled, and is motor force, v according to input power P=F*v=α * I*v, F
It is mover speed, when the input power of compressor will keep constant, then the electric current I of compressor can decline one times, one side electric current
The higher hamonic wave loss reduction of compressor, is conducive to improving electric efficiency during reduction;Another aspect electric current reduces, and can avoid compression
It is higher that electric efficiency occurs for the permanent magnet demagnetization of machine;The resonant spring of compressor is arranged in the space between mover and stator,
Do not influenceed by diameter of stator bore size so that the simple and convenient assembling of overall structure, and effectively raise the electricity of linear compressor
Engine efficiency.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement;And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (9)
1. a kind of linear compressor, including shell and mover and resonant spring in the housing are set, its feature exists
In the both ends of the shell are respectively arranged with stator, and coil is provided with each stator, are set on each stator
There is cylinder, the mover is provided with piston corresponding with the cylinder, and the piston is slidably arranged in the corresponding cylinder,
Permanent magnet corresponding with the stator is additionally provided with the mover, the resonance is provided between the mover and the stator
Spring.
2. linear compressor according to claim 1, it is characterised in that two coils are cascaded.
3. linear compressor according to claim 2, it is characterised in that the winding turns of two coils are identical, and
The direction of winding of two coils is opposite.
4. linear compressor according to claim 3, it is characterised in that the magnetic pole of the permanent magnet of the mover both sides
Conversely.
5. linear compressor according to claim 1, it is characterised in that the stator is fixed on the corresponding cylinder
On, two stators are fixed together by connector.
6. linear compressor according to claim 5, it is characterised in that the connector includes the first contiguous block and second
Contiguous block, first contiguous block with wherein stator is fixedly connected described in one, second contiguous block and another stator are consolidated
Fixed connection, first contiguous block and second contiguous block are removably attachable to together.
7. linear compressor according to claim 5, it is characterised in that the stator includes inner stator and external stator, institute
State and the coil is provided with inner stator, the inner stator and the external stator are fixed on the corresponding cylinder, the company
Fitting is welded or is bonded on the external stator.
8. linear compressor according to claim 1, it is characterised in that be provided with the resonance between two stators
Spring, the mover is fixed on the middle part of the resonant spring;Or, the both sides of the mover are respectively arranged with independent described
Resonant spring.
9. linear compressor according to claim 1, it is characterised in that two cylinders are oppositely arranged, or, two
The cylinder is dorsad set.
Priority Applications (1)
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CN201620902641.0U CN206448915U (en) | 2016-08-19 | 2016-08-19 | Linear compressor |
Applications Claiming Priority (1)
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CN201620902641.0U CN206448915U (en) | 2016-08-19 | 2016-08-19 | Linear compressor |
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CN206448915U true CN206448915U (en) | 2017-08-29 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107762770A (en) * | 2016-08-19 | 2018-03-06 | 青岛海尔智能技术研发有限公司 | Linear compressor and its control method |
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2016
- 2016-08-19 CN CN201620902641.0U patent/CN206448915U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107762770A (en) * | 2016-08-19 | 2018-03-06 | 青岛海尔智能技术研发有限公司 | Linear compressor and its control method |
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