CN206790239U

CN206790239U - Permanent-magnetic synchronous motor rotor, motor and refrigeration compressor

Info

Publication number: CN206790239U
Application number: CN201720540712.1U
Authority: CN
Inventors: 施玲艳; 黄建毅; 陈豪
Original assignee: Thunder Electric (suzhou) Co Ltd
Current assignee: Thunder Electric (suzhou) Co Ltd
Priority date: 2017-05-16
Filing date: 2017-05-16
Publication date: 2017-12-22
Anticipated expiration: 2027-05-16

Abstract

The utility model provides a kind of refrigeration compressor permanent-magnetic synchronous motor rotor, use the motor of the rotor, and refrigeration compressor, including rotor core, permanent magnet, rotor core is formed by stacking by multiple punchings, punching includes common punching and balance punching, balance punching is arranged on the both sides of common punching, in balance punching multiple through holes are circumferentially evenly arranged around its axle center, through hole is superimposed to form balance pipe, balance pipe has certain depth along the axially in parallel direction of rotor core, permanent magnet is evenly arranged around the axle center of rotor core, rotor manufacture craft is simple, cost is low, before permanent magnet is placed, dynamic balancing hole has just been reserved in punching, it need not be drilled on the steel disc of motor, solves the puzzlement of iron filings, save the man-hour for removing scrap iron removing, reduce the risk of compressor failure.

Description

Permanent-magnetic synchronous motor rotor, motor and refrigeration compressor

Technical field

Compressor Technology field is the utility model is related to, especially a kind of refrigeration compressor permanent-magnetic synchronous motor rotor, Motor and refrigeration compressor.

Background technology

The stator structure of online startup magneto is identical with common induction machine stator structure, but rotor structure ratio Common induction machine will complexity.The existing aluminium groove for being used to start, there is the permanent magnet of excitation again.For the space placed to permanent magnet And higher efficiency is obtained, the aluminum end circle of this rotor is commonly designed very thin, leads to not move in aluminum end circle colonel Balance.So this motor regulation dynamic balance method typically using the dynamic balance checking on silicon steel sheet or uses dynamic balancing mud.

But both adjust the drawbacks of dynamic balance methods have its own, first, drilled on dynamo sheet dynamic Dynamic balance method is adjusted, because the effect of permanent magnet causes the difficult cleaning of iron filings, compressor requires very high to the cleannes of motor, no Allow compressor assembly to have impurity, generally to be spent on iron filings are removed many artificial.And it is bonded at dynamic balancing mud on the circle of aluminium end Dynamic balance method is adjusted, for sealed electric-motor, due to there is the circulation of oil circuit in whole system, dynamic balancing mud easily comes off, Cause system failure.

In summary, a kind of iron filings that can realize dynamically balanced regulation, difficult cleaning will not be produced again are sought, or easily The equipment or method for the problems such as coming off, turn into those skilled in the art's technical problem urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of refrigeration compressor permagnetic synchronous motor Rotor, motor and refrigeration compressor.

In order to realize the purpose of this utility model, the utility model adopts the following technical scheme that：

A kind of refrigeration compressor permanent-magnetic synchronous motor rotor, including rotor core, permanent magnet, rotor core is by multiple punchings Piece is formed by stacking, and punching includes common punching and balance punching, and balance punching is arranged on the both sides of common punching, balanced in punching Multiple through holes are evenly arranged around its axle center circumference, through hole is superimposed to form balance pipe, and balance pipe is in the axle of the rotor core There is certain depth to parallel direction, permanent magnet is evenly arranged around the axle center of the rotor core,

Further, the depth of balance pipe is 30mm.

Further, balanced nail is installed in balance pipe.

Further, balance pipe is screw.

Further, balanced nail is the screw to match with screw.

Further, balanced nail is the resilient key to match with balance pipe.

A kind of motor, including any of the above-described described rotor.

A kind of refrigeration compressor, including above-mentioned motor.

The advantages of the utility model：

1. rotor manufacture craft provided by the utility model is simple, cost is low, just pre- in punching before permanent magnet is placed Dynamic balancing hole is stayed, it is not necessary to drilled on the steel disc of motor, solve the puzzlement of iron filings, save the man-hour for removing scrap iron removing, drop The low risk of compressor failure.

2. rotor dynamic balancing is by the way of balanced nail is inserted, it is not necessary to increases other balancing loop, improves permanent magnetism The reliability of motor.

Brief description of the drawings

In order to be better understood from the utility model, and how clearer displaying realizes the utility model, now by showing The mode refer to the attached drawing of example, in the accompanying drawings：

Fig. 1 is the front view of the refrigeration compressor permanent-magnetic synchronous motor rotor of the embodiment of the utility model one；

Fig. 2 is the profile of the refrigeration compressor permanent-magnetic synchronous motor rotor of the embodiment of the utility model one；

Wherein,

1 ... balance pipe, 2 ... balanced nails, 3 ... permanent magnets, 4 ... rotor cores, 5 ... balance punchings.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with the accompanying drawings and implement Example is described in further detail to the utility model.It should be appreciated that specific embodiment described herein is only explaining this reality With new, it is not used to limit the utility model.

One embodiment of the present utility model provides a kind of refrigeration compressor permanent-magnetic synchronous motor rotor, such as Fig. 1, figure Shown in 2, it includes rotor core 4, permanent magnet 3, and rotor core 4 is formed by stacking by multiple punchings, wherein, punching includes common punching Piece and balance punching 5, balance and are provided with a ring through hole in punching 5, the through hole is evenly arranged around its axle center, and punching is superimposed as rotor During iron core 4, balance punching 5 is placed on both sides, common punching is placed on balance 5 middle punching press of punching, makes the both ends shape of rotor core 4 Into a balance pipe 1 of the circle with certain depth, adjustment balances the quantity of punching 5, makes the depth of the balance pipe 1 of the formation of rotor core 4 Preferably 30mm, can also be all using balance punching 5, and the balance pipe 1 that rotor core 4 is formed is through hole.

Tapping can be carried out to balance pipe 1 at this moment, due to not placing permanent magnet 3 also now, the chip of tapping is not It can adsorb on rotor core 4, solve the puzzlement of iron filings, save the man-hour for removing scrap iron removing, reduce the wind of compressor failure Danger.After having attacked screw thread and having cleaned out iron filings, then permanent magnet 3 is placed, permanent magnet 3 is evenly arranged around the axle center of rotor core 4.

Then dynamic balancing measurement can be carried out, dynamic balancing measurement can be derived that rotor unbalance degree, determine unbalanced position Put with unbalanced weight, load the balanced nail 2 of different length in balance pipe 1 according to actually measured position and weight, put down Weighing apparatus nail 2 is the screw to match with balance pipe 1, and balanced nail can also be the resilient key to match with balance pipe 1, and the resilient key can With the depth of adjustment insertion balance pipe, finally clicked and entered with appropriate glue in balance pipe 1, further prevent balanced nail from coming off, rotor Dynamic balancing is adjusted by the way of screw is screwed into, and is prevented from adjusting dynamically balanced element falling or failure, is improved magneto Reliability.This is simple in construction, it is not necessary to increases other balancing loop, cost easy to adjust is low, securely and reliably.

In summary, refrigeration compressor permanent-magnetic synchronous motor rotor of the present utility model, at least has the following advantages that：

1. rotor manufacture craft is simple, cost is low, before permanent magnet is placed, dynamic balancing hole has just been reserved in punching, no Need to drill on the steel disc of motor, solve the puzzlement of iron filings, save the man-hour for removing scrap iron removing, reduce compressor failure Risk.

Preferred embodiment of the present utility model is these are only, is not used for limiting practical range of the present utility model；If Spirit and scope of the present utility model are not departed from, the utility model are modified or equivalent substitution, all should be covered in this reality Among new scope of the claims.

Claims

1. a kind of refrigeration compressor permanent-magnetic synchronous motor rotor, including rotor core, permanent magnet, it is characterised in that described turn Sub- iron core is formed by stacking by multiple punchings, and the punching includes common punching and balance punching, and the balance punching is arranged on institute The both sides of common punching are stated, described balance circumferentially is evenly arranged multiple through holes in punching around its axle center, and the through hole is superimposed shape Into balance pipe, and the balance pipe has certain depth, the permanent magnet in the axially in parallel direction of the rotor core It is evenly arranged around the axle center of the rotor core.

2. refrigeration compressor permanent-magnetic synchronous motor rotor according to claim 1, it is characterised in that the balance pipe Depth is 30mm.

3. refrigeration compressor permanent-magnetic synchronous motor rotor according to claim 1 or 2, it is characterised in that the balance Balanced nail is installed in hole.

4. refrigeration compressor permanent-magnetic synchronous motor rotor according to claim 3, it is characterised in that the balance pipe is Screw.

5. refrigeration compressor permanent-magnetic synchronous motor rotor according to claim 4, it is characterised in that the balanced nail is The screw to match with the screw.

6. refrigeration compressor permanent-magnetic synchronous motor rotor according to claim 3, it is characterised in that the balanced nail is The resilient key to match with the balance pipe.

7. a kind of motor, it is characterised in that including any described rotors of claim 1-6.

8. a kind of refrigeration compressor, it is characterised in that including the motor described in claim 7.