CN209494710U - Compressor and heat pump assembly - Google Patents
Compressor and heat pump assembly Download PDFInfo
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- CN209494710U CN209494710U CN201920232564.6U CN201920232564U CN209494710U CN 209494710 U CN209494710 U CN 209494710U CN 201920232564 U CN201920232564 U CN 201920232564U CN 209494710 U CN209494710 U CN 209494710U
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- stator
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- compressor
- solder joint
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Abstract
The utility model discloses a kind of compressor and heat pump assemblies.Compressor has shell and is located at the intracorporal stator of shell, it is interference fit between shell and stator, it is connected between shell and stator by arc welding structure, shell is non-porous structure at the welded connecting with stator, and the solder joint that one is melted by a part of shell, a part of stator is formed at the welded connecting of shell and stator.According to the compressor of the utility model embodiment, improved welding structure can be reduced or eliminate shell to the compression of stator, reduce the iron loss and deformation of the stator in assembling process.The COP value of compressor is which thereby enhanced, that is, optimizes the performance of compressor.It is fixed between shell and stator by arc welding simultaneously, and this welding manner does not have to preparatory punching, shell not will form weld seam in weld, the accumulation of protrusion will not be formed, improve coating and appearance, manufacturing is greatly improved, leakproofness and reliability at welded connecting is ensure that, is not easy to leak.
Description
Technical field
The utility model relates to a kind of Compressor Technology fields, especially compressor and heat pump assembly.
Background technique
In scheme disclosed in the relevant technologies, motor stator is fixed on there are many modes of shell in compressor.Having plenty of will
Stator is fixed on bracket, is then weldingly fixed on shell by bracket, and this fixed form is direct not with shell due to stator
Contact, bracket is limited to the enabling capabilities of stator, and stator is inevitably hit and friction etc. occurs with rotor.Have plenty of and sets stator
After in shell, stator is weldingly fixed on shell.This assembly method will punch sealing weld material on shell, and aperture designs not
Aesthetics is only influenced, the rigidity of shell can be also reduced.Even if not punching before welding manner weldering also, postwelding also can be in external shape
At obvious weld seam, aesthetics is influenced.Conventional hermetic rotary compressor can also be used motor stator hot jacket or indentation
The assembly method being immobilized in the shell on circumferential surface.No matter which kind of assembly method, people can have found more or less some defects,
Still in continuously improving research.
Utility model content
The application is to be made based on utility model people to the discovery of following facts and problem and understanding: using motor stator
Hot jacket or indentation are fixed on the assembly method of compressor housing inner circumferential, due to guarantee the fixed motor of enough retentivities, electricity
Magnitude of interference between machine and compressor housing is very big, and the stress of shell is applied in the magnetic yoke of motor, and iron loss loss increases, stator
ID distortion, therefore the efficiency of motor reduces, the decline of compressor efficiency.Therefore, the structure of compressor is improved, is not only examined
Consider stator and the fixed integrity problem of shell, also to improve compressor efficiency decline problem.
The utility model aims to solve at least one of problems of the prior art.For this purpose, the utility model proposes one
Kind compressor improves overall stiffness and aesthetics by improving connection structure between stator and shell.
The utility model, which also aims to, proposes a kind of heat pump assembly with above-mentioned compressor.
According to the compressor of the utility model embodiment, the compressor has shell and to be located at the shell intracorporal fixed
Son is interference fit between the shell and the stator, is connected between the shell and the stator by arc welding structure
Connect, the shell with the welded connecting of the stator at be non-porous structure, at the welded connecting of the shell and the stator
It is formed with the solder joint that one is melted by a part of the shell, a part of the stator.
According to the compressor of the utility model embodiment, by changing the assembly method of compressor housing and stator, by original
It is changed to being directly welded to connect to cooperate by hot jacket, reduces or eliminates shell to the compression of stator.Compression on stator subtracts
After few, and using after improved welding connection structure, the iron loss and deformation of the stator in assembling process are thus reduced.Thus it mentions
The high COP value of compressor, that is, optimize the performance of compressor.Consolidated between shell and stator by arc welding structure simultaneously
It is fixed, and this welding manner does not have to preparatory punching, will not form the accumulation of protrusion, improves coating and appearance, that is, greatly improves
Manufacturing.And due to not having to preparatory aperture on shell, by arc welding back casing will not burn-through forms weld seam, shell entirety
Rigidity is guaranteed, not erodible at welded connecting under being used for a long time, and shell does not overflow various welderings after the assembly is completed
Material heap plot point ensure that leakproofness and reliability at welded connecting, be not easy to leak.
Specifically, the outer diameter of the stator is D1, and the internal diameter of the shell is D2, and the two difference (D1-D2) is 0~0.15
Between.
Optionally, it is connected between the shell and the stator by argon arc welding structure or Plasma Welding structure.
Specifically, the diameter of the solder joint is more than or equal to 13mm.
Optionally, the diameter of the solder joint is between 13-20mm.
In certain embodiments, the axis of the stator is vertically arranged, and the stator has mutually to hang down with the axis
The distance between bottom surface of straight median plane, the median plane and the stator is the half of the stator height, the solder joint
Positioned at the lower section of the median plane.
Specifically, the periphery of the stator is equipped with multiple stator trimmings, is located on the periphery of the stator two neighboring
Part between the stator trimming is arc-shaped side, and the solder joint corresponds to the arc-shaped side setting.
Further, the quantity of the solder joint is more than half of the arc-shaped side quantity.
According to the heat pump assembly of the utility model embodiment, including the compression according to the utility model above-described embodiment
Machine.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the vertical cross-sectional of the compressor of the utility model one embodiment.
Fig. 2 is the horizontal cross of the compressor of the utility model one embodiment.
Appended drawing reference:
Compressor 100,
Shell 1, stator 2, stator trimming 21, arc-shaped side 22, solder joint 3,
Rotor 4, the pump housing 5.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " thickness ", " height ", "upper", "lower",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 2 description according to the compressor 100 of the utility model embodiment.Here to compressor 100
Structure type with no restriction, can be rotary compressor, be also possible to scroll compressor, centrifugal compressor etc..
According to the compressor 100 of the utility model embodiment, compressor 100 is with shell 1 and the stator being located in shell 1
2, between shell 1 and stator 2 for interference fit, between shell 1 and stator 2 by welding structure connection, shell 1 with stator 2
Welded connecting at be non-porous structure.In the utility model embodiment 100, motor is external rotor electric machine, i.e., suit in stator 2
There is rotor 4, rotor 4 is connected by crankshaft with the pump housing 5.
Here, it is connected between shell 1 and stator 2 by arc welding structure, shape at the welded connecting of shell 1 and stator 2
At the solder joint 3 of a part, a part melting one of stator 2 for having by shell 1.Optionally, the welding of shell 1 and stator 2 connects
The no solder in place is connect, solder joint 3 is solderless solder joint.
It is understood that arc welding is to melt metal by electrode discharge to form fusion penetration, this welding structure welding
Area is big, firm and reliable connection.When welding that shell 1 and 2 material molten of stator is integral, forming solder joint 3 will not cut in the process
Shell 1 is opened, i.e. shell 1 is still non-porous, seamless in appearance.When solder joint 3 is open solder joint, solderless 3 shape of solder joint
At stack layer, the stack layer appearance to be formed is entirely different with being welded with solder.The solder joint stack layer that open is formed, compared to having
The solder joint of solder its accumulate that layer surface is more smooth, has metallic luster.Shell 1 and stator 2 are connected by electric arc welding structure, it will not
The protrusion by stacked solder is formed on 1 surface of shell, to will not influence coating and appearance.
And passing through the welding connection structure of aperture slugging material in the prior art, the solder joint and shell that solder fusing is formed melt
It is significantly different in the solder joint perception of formation, on having certain influence on compressor housing good appearance.And existing welded connecting
Structure can form the protrusion by stacked solder in surface of shell, way at this time otherwise retain protrusion or protrusion is pounded it is flat,
All it cannot be guaranteed that the flatness of surface of shell.If metal is melted by high-energy light beam, due to Laser Welding one using Laser Welding
Secondary weld diameter is small, it is therefore desirable to form a longer weld seam on shell to improve retentivity.Either formed before weldering
The weld seam that aperture or postwelding are formed, under compressor is used for a long time, aperture on shell cracks and locates to be easy to be etched, and causes to let out
Leakage, also results in good appearance degree and declines rapidly, will affect service life.
The utility model is passed through with hot jacket by the assembly method of 100 shell 1 and stator 2 of change compressor from originally
It is changed to the cooperation of arc-welding connection structure, the thermal deformation of shell and stator that arc-welding connection structure generates is minimum, reduces or eliminates shell 1
To the compression of stator 2.After compression on stator 2 is reduced, the iron loss and change of the stator 2 in assembling process are thus reduced
Shape.The COP value of compressor 100 is which thereby enhanced, that is, optimizes the performance of compressor 100.
It is fixed between shell 1 and stator 2 by welding simultaneously, and this welding manner does not have to preparatory punching, greatly improves
Manufacturing.And due to not having to preparatory aperture on shell 1,1 overall stiffness of shell is guaranteed, and lower be welded to connect is used for a long time
Place is not erodible, and shell 1 does not overflow various solder stack plot points after the assembly is completed, ensure that the sealing at welded connecting
Property and reliability.
Specifically, the outer diameter of stator 2 is D1, and the internal diameter of shell 1 is D2, and the two difference (D1-D2) is between 0~0.15.
The parameter area of this interference fit, shell 1 will not generate compared with huge pressing stress stator 2, thus be avoided that stator 2 generates iron
Damage guarantees the enough efficiency of motor.
In certain embodiments, it is connected between shell 1 and stator 2 by argon arc welding structure, argon arc welding is electric arc
One kind of weldering is protected using argon gas when welding.This welding manner is strong to 1 surface oxidation-resistant protective effect of shell, in this way
It is not easy to weather under long-time service at welded connecting, to improve the structural reliability at welded connecting.And if on shell 1
Aperture welding, tapping easily weather and degenerate.
In certain embodiments, it is connected between shell 1 and stator 2 by Plasma Welding structure.Plasma arc welding (PAW)
Connecing has the characteristics that energy is concentrated, productivity is high, speed of welding is fast, stress deformation is small, electric lonely stable, it is applied to compressor
In the fixation of stator, it is secured firmly to stator 2 on shell 1, it is very small to magnetic loss caused by stator 2.
In some embodiments, the diameter d of solder joint 3 is more than or equal to 13mm.Sufficiently large solder joint 3, can fully ensure that solder joint 3
Bonding strength avoids solder joint 3 too small and cutting etc. when being hit.Optionally, the diameter of solder joint 3 is between 13-20mm.
In certain embodiments, the axis of stator 2 is vertically arranged, and stator 2 has the median plane with axis perpendicular,
The distance between bottom surface of median plane and stator 2 is the half of 2 height of stator, i.e. median plane is located at the half of 2 height of stator.
Solder joint 3 is located at the lower section of median plane, and 100 bottoms of such 3 Range compress machine of solder joint are closer, solder joint 3 from the ground apart from short, formation
Anti-twisting property is stronger, stronger to the retentivity of 100 stable structure of compressor.
Specifically, as shown in Fig. 2, the periphery of stator 2 is equipped with multiple stator trimmings 21, it is located at phase on the periphery of stator 2
Part between adjacent two stator trimmings 21 is arc-shaped side 22, and the corresponding arc-shaped side 22 of solder joint 3 is arranged.Since stator 2 is in arc-shaped side
It to be usually in contact with 1 inner peripheral surface of shell at 22, welding connection structure is set at arc-shaped side 22, construct more convenient.
Further, the quantity of solder joint 3 is more than half of 22 quantity of arc-shaped side, to guarantee that 100 stator 2 of compressor welds
Reliability.
In the above-described embodiments, stator 2 is intervally distributed at least two solder joints 3 or more than two solder joint in the circumferential
3.The arrangement of multiple solder joints 3 can be not limited on the same section perpendicular to 2 axis of stator.
The technical solution of the utility model embodiment improves the performance of compressor 100, improves manufacturing.It is practical to survey
Examination discovery, this assembly method, the COP value of compressor 100 averagely rise 2 points or more, and retentivity is all qualified.
According to the heat pump assembly of the utility model embodiment, including the compressor according to the utility model above-described embodiment
100.The structure of compressor 100 illustrates via above-described embodiment, does not repeat here.Due to being provided with above-mentioned compressor 100,
The efficiency and assembling of compressor 100 all get a promotion, and are also beneficial to the promotion of the efficiency, assembling of heat pump assembly.
It is waited and is operated for ability according to other compositions of the compressor 100 of the utility model embodiment such as pump housing 5
All be for the those of ordinary skill of domain it is known, be not detailed herein.
Other compositions such as heat exchanger, throttling set according to the heat pump assembly of the utility model embodiment etc. and operation
All be for those of ordinary skills it is known, be not detailed herein.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean combine the embodiment or
Example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.
In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be tied in an appropriate manner in any one or more of the embodiments or examples
It closes.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of compressor, which is characterized in that the compressor has shell and is located at the intracorporal stator of the shell, the shell
It is interference fit between the stator, is connected between the shell and the stator by arc welding structure, the shell
With the welded connecting of the stator at be non-porous structure, be formed with by described at the shell and the welded connecting of the stator
The solder joint of a part of shell, a part melting one of the stator.
2. compressor according to claim 1, which is characterized in that the outer diameter of the stator is D1, the internal diameter of the shell
For D2, the two difference (D1-D2) is between 0~0.15.
3. compressor according to claim 1, which is characterized in that pass through argon arc welding between the shell and the stator
Structure or the connection of Plasma Welding structure.
4. compressor according to claim 1, which is characterized in that the diameter of the solder joint is more than or equal to 13mm.
5. compressor according to claim 4, which is characterized in that the diameter of the solder joint is between 13-20mm.
6. compressor according to claim 1, which is characterized in that the axis of the stator is vertically arranged, the stator tool
There is the median plane with the axis perpendicular, the distance between the median plane and the bottom surface of the stator are the stator height
Half, the solder joint is located at the lower section of the median plane.
7. compressor according to claim 1, which is characterized in that the periphery of the stator is equipped with multiple stator trimmings,
Part on the periphery of the stator between the two neighboring stator trimming is arc-shaped side, and the solder joint corresponds to the arc
The setting of shape side.
8. compressor according to claim 7, which is characterized in that the quantity of the solder joint is the one of the arc-shaped side quantity
Half or more.
9. a kind of heat pump assembly, which is characterized in that including compressor according to claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232564.6U CN209494710U (en) | 2019-02-21 | 2019-02-21 | Compressor and heat pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232564.6U CN209494710U (en) | 2019-02-21 | 2019-02-21 | Compressor and heat pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494710U true CN209494710U (en) | 2019-10-15 |
Family
ID=68156925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920232564.6U Active CN209494710U (en) | 2019-02-21 | 2019-02-21 | Compressor and heat pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494710U (en) |
-
2019
- 2019-02-21 CN CN201920232564.6U patent/CN209494710U/en active Active
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