CN206272457U

CN206272457U - Compressor magneto

Info

Publication number: CN206272457U
Application number: CN201621208771.0U
Authority: CN
Inventors: 王鲁; 周易
Original assignee: Shanghai Hitachi Household Appliance Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2016-11-09
Filing date: 2016-11-09
Publication date: 2017-06-20
Anticipated expiration: 2026-11-09

Abstract

The utility model discloses a kind of compressor magneto, including rotor and stator；Wherein, it is provided with magnet groove on compressor permanent magnet machine rotor；Magnet groove exterior lateral area is provided with flux and arranges groove；Same magnetic pole is made up of two block length bar magnets；It is fluted at rotor diameter between adjacent magnetic pole, and magnet groove separates with groove via every magnetic bridge.The leakage field problem that compressor magneto is present in the prior art can be overcome using the utility model, the utilization rate of permanent magnet is improved so as to improve electric efficiency.

Description

Compressor magneto

Technical field

The utility model is related to machine field, more particularly to a kind of compressor magneto.

Background technology

In magneto, the magnetic field interaction that the magnetic field that stator is produced produces with rotor, so that rotor is rotated.Such as What makes full use of the magnetic field that rotor is produced, and reduces leakage field, improves efficiency, is the direction that magneto needs research.

Therefore, those skilled in the art is devoted to exploitation one kind and can overcome compressor magneto in the prior art The leakage field problem of presence, improves the utilization rate of permanent magnet so as to improve the technical scheme of electric efficiency.

Utility model content

In view of the drawbacks described above of prior art, technical problem to be solved in the utility model be to provide one kind can gram The clothes leakage field problem that compressor exists with magneto in the prior art, improves the utilization rate of permanent magnet so as to improve electric efficiency Compressor magneto.

To achieve the above object, the utility model provides a kind of compressor magneto, including rotor and stator, Magnet groove is provided with rotor, magnet groove exterior lateral area is provided with flux and arranges groove, and same magnetic pole is made up of two block length bar magnets； It is fluted at rotor diameter between adjacent magnetic pole, and magnet groove separates with groove via every magnetic bridge.

Preferably, the external diameter trimming of compressor permanent magnet machine rotor and the ratio of polar arc are between 1:2.98~1:Between 3.

Preferably, every magnetic bridge width and permanent magnet thickness ratio between 0.1~0.5.

Preferably, the ratio of the length of magnet groove and magnet slot thickness is between 1:2~1:Between 4.

Preferably, flux arranges the width of groove and the width ratio of magnet groove between 1：Between 1~2.

Preferably, the ratio of the width of the groove of compressor permanent magnet machine rotor and stator rabbet width is between 1：0.3 ~1：Between 0.4, the width of the groove of compressor permanent magnet machine rotor is with the ratio of stator rabbet height between 1：0.1~1： Between 0.20.

Preferably, flux arranges groove and is arranged into 30 °~90 ° angles with magnet groove.

Preferably, the width of the magnet groove of the facewidth of compressor permanent magnet motor stator and compressor permanent magnet machine rotor Ratio is between 1:Between 1.5~2.5.

Preferably, the ratio of the width of the height of the notch of compressor permanent magnet motor stator and magnet groove is between 1：20~ 1：Between 25.

The technique effect of design of the present utility model, concrete structure and generation is made furtherly below with reference to accompanying drawing It is bright, to be fully understood from the purpose of this utility model, feature and effect.

Brief description of the drawings

Fig. 1 is the structural representation of the compressor magneto according to the utility model preferred embodiment.

Fig. 2 is the portion profile schematic diagram of the compressor permanent magnet machine rotor according to the utility model preferred embodiment.

Fig. 3 is the first of the stator outer diameter trimming of the compressor magneto according to the utility model preferred embodiment to show Example.

Fig. 4 is the second of the stator outer diameter trimming of the compressor magneto according to the utility model preferred embodiment to show Example.

Fig. 5 is the stator facewidth and rotor magnet groove of the compressor magneto according to the utility model preferred embodiment Cooperation schematic diagram wide.

It should be noted that accompanying drawing is used to illustrate the utility model, and unrestricted the utility model.

Note, representing the accompanying drawing of structure may be not necessarily drawn to scale；Also, in accompanying drawing, same or similar element Indicate same or similar label.

Specific embodiment

As shown in figure 1, the compressor according to the utility model preferred embodiment includes rotor 1 and stator with magneto 10。

Wherein, it is provided with magnet groove 2 on the rotor 1 of compressor magneto；The exterior lateral area of magnet groove 2 is provided with flux arrangement Groove 3；Same magnetic pole is made up of (specifically, be made up of two blocks of magnet put in " in-line ") two block length bar magnets； Fluted 4 at rotor diameter between adjacent magnetic pole, and magnet groove 2 is separated with groove 4 via every magnetic bridge 5.

It is possible to further pass through to adjust at rotor diameter the ratio of the width of groove 4 and stator rabbet width 6 and/or The width of groove 4 further reduces leakage field with the ratio of stator rabbet height 7 at rotor diameter.

Fig. 2 is the portion profile schematic diagram of the compressor permanent magnet machine rotor according to the utility model preferred embodiment. Preferably, the external diameter trimming of compressor permanent magnet machine rotor and the ratio of polar arc are between 1:2.98~1:Between 3.

For magnet groove 2 with every magnetic bridge 5, it is in order to reduce leakage field, the smaller the better every magnetic bridge width, but every the too narrow machine of magnetic bridge Tool insufficient strength.After considering mechanical strength and leakage field, optimal situation is, every width and the permanent magnet thickness ratio of magnetic bridge Between 0.1~0.5.

Additionally, optimal situation is, unilateral radian can be between 1 °~3 ° in magnet groove, it is possible to reduce leakage field.

Additionally, optimal situation is, the length of magnet groove is with the ratio of magnet slot thickness between 1:2~1:Between 4.

Preferably, flux arranges groove and is arranged into 30 °~90 ° angles with magnet groove.Preferably, the magnetic of same magnetic pole exterior lateral area Beam arranges the quantity of groove between 2~6.Preferably, flux arranges the width of groove and the width ratio of magnet groove between 1：1~ Between 2.

And, the cooperation between adjustment stator rabbet width, stator rabbet height and rotor recesses width can be effective Reduce leakage field.Preferably, the ratio of rotor recesses width and stator rabbet width is between 1：0.3~1：Between 0.4, rotor recesses The ratio of width and stator rabbet height is between 1：0.1~1：0.20.

Fig. 3 is the first of the stator outer diameter trimming of the compressor magneto according to the utility model preferred embodiment to show Example, Fig. 4 is the second example of the stator outer diameter trimming of the compressor magneto according to the utility model preferred embodiment.Tool Body ground, external diameter trimming can be the shape of smooth arc side shown in Fig. 3 11, or the (number of sawtooth of saw-toothed shape 12 shown in Fig. 4 Amount is, for example, 1~3), Fig. 4 can be directed to huge discharge compressor, be used when increasing flow area, while hot jacket deformation can be reduced Amount.For example, the ratio of the trimming shown in Fig. 3 is 1:2.5~1:5.

Fig. 5 is the stator facewidth and rotor magnet groove of the compressor magneto according to the utility model preferred embodiment Cooperation schematic diagram wide.Preferably, the width ratio of the stator facewidth and rotor magnet groove is between 1:Between 1.5~2.5.It is preferred that Ground, the height of stator rabbet and the ratio of magnet groove width are between 1：20~1：Between 25.

Described above has shown and described preferred embodiment of the present utility model, as previously described, it should be understood that this practicality is new Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for various other groups Close, change and environment, and can be in utility model contemplated scope described herein, by above-mentioned teaching or the technology of association area Or knowledge is modified.And the change and change that those skilled in the art are carried out do not depart from spirit and scope of the present utility model, then All should be in the protection domain of the utility model appended claims.

Claims

1. a kind of compressor magneto, including rotor and stator, are provided with magnet groove, outside the magnet groove on the rotor Side region is provided with flux and arranges groove, it is characterised in that the same magnetic pole of the compressor magneto is by two block length bar shapeds Magnet constitute, it is fluted at the rotor diameter between adjacent magnetic pole, and the magnet groove with the groove via every magnetic Bridge is separated.

2. compressor magneto as claimed in claim 1, it is characterised in that the compressor permanent magnet machine rotor The ratio of external diameter trimming and polar arc is between 1:2.98~1:Between 3.

3. compressor magneto as claimed in claim 1 or 2, it is characterised in that the width every magnetic bridge with it is described The thickness ratio of magnet groove is between 0.1~0.5.

4. compressor magneto as claimed in claim 1 or 2, it is characterised in that the length of the magnet groove with it is described The ratio of magnet slot thickness is between 1:2~1:Between 4.

5. compressor magneto as claimed in claim 1 or 2, it is characterised in that the flux arrange the width of groove with The width ratio of the magnet groove is between 1：Between 1~2.

6. compressor magneto as claimed in claim 1 or 2, it is characterised in that the compressor is turned with magneto The width of the groove of son is with the ratio of stator rabbet width between 1：0.3~1：Between 0.4, the compressor is turned with magneto The width of the groove of son is with the ratio of stator rabbet height between 1：0.1~1：Between 0.20.

7. compressor magneto as claimed in claim 1 or 2, it is characterised in that the flux arranges groove and the magnetic Metal trough is arranged into 30 °~90 ° angles.

8. compressor magneto as claimed in claim 1 or 2, it is characterised in that the compressor is fixed with magneto The width ratio of the facewidth of son and the magnet groove of the compressor permanent magnet machine rotor is between 1:Between 1.5~2.5.

9. compressor magneto as claimed in claim 1 or 2, it is characterised in that the compressor is fixed with magneto The ratio of the width of the height and the magnet groove of the notch of son is between 1：20~1：Between 25.