CN209184336U - A kind of efficient balance rotor electric machine and its new-energy automobile - Google Patents
A kind of efficient balance rotor electric machine and its new-energy automobile Download PDFInfo
- Publication number
- CN209184336U CN209184336U CN201822226499.4U CN201822226499U CN209184336U CN 209184336 U CN209184336 U CN 209184336U CN 201822226499 U CN201822226499 U CN 201822226499U CN 209184336 U CN209184336 U CN 209184336U
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- Prior art keywords
- dynamic balancing
- compensation block
- rotor
- balancing compensation
- electric machine
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- 229910000851 Alloy steel Inorganic materials 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of efficient balance rotor electric machine and its new-energy automobiles, solves the dynamic balance calibration low efficiency of traditional rotor, the problems such as disposably qualification rate is poor, including shaft, rotor core, stator, electric machine casing, balance end plate, dynamic balancing compensation block, the rotor core is nested in the shaft middle position, there are two the balance end plates, it and is circular annular form structure, the surface of the balance end plate offers multiple blind holes, the dynamic balancing compensation block is annular in shape, the dynamic balancing compensation block height design is less than the half of the depth of blind hole, the blind hole diameter is slightly larger than the dynamic balancing compensation block outside diameter, it is fixedly connected by welding between the dynamic balancing compensation block and the blind hole, technical solutions of the utility model effectively improve the dynamic balancing adjustment efficiency of rotor, reduce product Rejection rate in process reduces production cost, meets the market demand.
Description
Technical field
The utility model relates to new-energy automobile manufacturing technology field more particularly to a kind of efficient balance rotor electric machine and its
New-energy automobile.
Background technique
Most commonly used in new-energy automobile is electric car, and electric car mainly include battery, motor with
And drive system, when electric automobile during traveling, battery provides electric energy for motor, then converts electrical energy into mechanical energy by motor,
The mechanical energy is transmitted to road surface by wheel by drive system, to realize traveling of the electric car on road surface.
In general, will do it the adjustment of motor dynamic balance performance when New energy automobile motor assembles finished product.Due to new energy
Electric motor of automobile is worked mostly under the more complicated work condition environment such as high revolving speed, high temperature, vibration, to ensure new-energy automobile and electricity
The balance of machine is reliable, and when having assembled motor product, necessarily, motor can adjust the perfect of process by balance detection, it is ensured that
The balance quality of electric machine operation state, it is levelling which can be placed in rotor dynamic balancing machine enterprising action balance calibration,
To be adjusted correction, for the general process in balance-seeking, the method that can use duplicate removal, the duplicate removal technique is turned in motor
Drill duplicate removal on sub- two sides balance end plate, but this kind of balanced adjustment technique is more difficult in actual operation, the balance end of removal
The bad control of plate weight, easily causes balance end plate to scrap, so, working efficiency phase higher using prior art manner implementation cost
To not high, so it is impossible to meet low costs, dynamical production for this dynamically balanced correction process of traditional rotor
Demand.
Utility model content
The purpose of this utility model is that being directed to dynamic balance calibration low efficiency, the disposable qualification rate of traditional rotor
The problems such as poor, provides the new-energy automobile motor that a kind of dynamic balance calibration is high-efficient, qualification rate is high.
To solve technological deficiency existing for the above prior art problem, the technical solution adopted in the utility model is a kind of high
Effect balance rotor electric machine, including shaft, rotor core, stator, electric machine casing, balance end plate, dynamic balancing compensation block.
The rotor core, shaft, balance end plate form rotor;
The rotor core is nested in the shaft middle position;
There are two the balance end plates, and is circular annular form structure, and described two balance end plates are sheathed on described turn respectively
The both ends of axis, and the rotor core is held between described two balance end plates;
The surface of the balance end plate offers multiple blind holes, circumferential direction setting of the multiple blind hole along the shaft;
The dynamic balancing compensation block is annular in shape, and the dynamic balancing compensation block height design is less than the one of the depth of blind hole
Half;
The blind hole diameter is slightly larger than the dynamic balancing compensation block outside diameter;
The dynamic balancing compensation block is multiple, and the multiple dynamic balancing compensation block has different quality.
Preferably, metal plunger is provided among the annulus of the dynamic balancing compensation block.
Preferably, the metal column on the dynamic balancing compensation block is plugged with multiple, and the multiple metal plunger has different
Quality.
It preferably, further include having gasket, the gasket is in round pie, the gasket and the dynamic balancing compensation block outer diameter one
It causes, the gasket can be placed in the blind-hole bottom, can also be placed in dynamic balancing compensation block outer end.
Preferably, by being welded and fixed between the dynamic balancing compensation block and the blind hole, likewise, the metal plunger
It is fixed together by welding with dynamic balancing compensation block with the gasket.
Preferably, the gap filling between the dynamic balancing compensation block, metal plunger, gasket and the blind hole has metal bonding
Agent.
The utility model additionally provides a kind of new-energy automobile, and a kind of new-energy automobile includes described a kind of high
Effect balance rotor electric machine.
The beneficial effects of the utility model are: being moved by implementing the technical solution of the utility model in rotor
During balance correction, if a certain position of display rotor is uneven, it is only necessary to be welded in blind hole in the position dynamic
Balanced compensated piece, the speed of rotor counterweight is effectively improved, therefore, the cooperation of dynamic balancing compensation block and blind hole is set
Meter, effectively improves the dynamic balancing adjustment efficiency of rotor, because being to increase material (weight gain) design, it is processed to reduce product
Rejection rate in journey, the design scheme meet market production requirement.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model motor;
Fig. 2 is the rotor structure schematic diagram of the motor of the utility model balance to be regulated;
Fig. 3 is the schematic diagram of rotor of the utility model after adjustment;
Fig. 4 is that the balance end plate of the utility model rotor is equipped with the schematic diagram of dynamic balancing compensation block.
In figure: 1, rotor core;2, electric machine casing;3, stator;4, shaft;5, blind hole;6, balance end plate;7, dynamic balancing is mended
Repay block.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing, still, the utility model can there are many different forms to come
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical, and terminology used in the description of the utility model herein is only
The purpose of description specific embodiment, it is not intended that in limitation the utility model, term " and or " used herein includes
Any and all combinations of one or more related listed items.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, in the present invention, motor is permanent magnet synchronous motor, and motor includes that motor turns
Son, motor stator 3, electric machine casing 2.Wherein, rotor includes shaft 4, rotor core 1, the composition motor turn of balance end plate 6
Son, wherein balance end plate 6 is two.
Shaft 4 mainly plays support and fixed function, in general, shaft 4 is by stainless steel, the biggish metal of steel alloy equal strength
Material is made, so that shaft 4 has bigger bearing capacity.
Rotor core 1 is hollow column structure, and rotor core 1 is arranged and is fixed in shaft 4, and rotor core 1 is in electricity
It is rotated under the interaction in the magnetic field that the magnetic field that machine stator 3 generates is generated with rotor, and the rotor core 1 rotated is with turn
Axis 4 rotates so that motor output mechanical energy.
Specifically in the present embodiment, rotor core 1 is made of the high material of the magnetic permeabilities such as silicon steel.Silicon steel has magnetic induction strong
Silicon steel sheet, copper wire and absolutely is greatly saved so that 1 volume of rotor core of motor and weight reduce in the characteristics such as degree is high, iron loss is low
Edge material etc., meanwhile, silicon steel magnetic induction intensity is high, so that the excitation current of rotor core 1 reduces, has been effectively saved electric energy.
With reference to Fig. 2, balance end plate 6 is circular annular form structure, and balance end plate 6 is two, and the material of balance end plate 6 can
Think the un-conducted magnetic materials such as stainless steel, two balance end plates 6 are sheathed on the both ends of shaft 4 respectively, and rotor core 1 is held on two
Between a balance end plate 6, therefore, the main function of balance end plate 6 is protective action.The surface of balance end plate 6 offers multiple
Blind hole 5, multiple blind holes 5 are along the circumferential direction setting of shaft 4, and specifically in the present embodiment, blind hole 5 is eight.
Dynamic balancing compensation block 7 is annular in shape, and the dynamic balancing compensation block 7 highly designs the half of the depth less than blind hole 5,
The installation number of dynamic balancing compensation block 7 is generally less than the quantity of blind hole 5, and dynamic balancing compensation block 7 and the blind hole 5 of corresponding number are divided
It is not welded and fixed, dynamic balancing compensation block 7 can be the un-conducted magnetic materials such as stainless steel, carry out the mistake of dynamic balance calibration in rotor
Cheng Zhong, if a certain position of display rotor is uneven, it is only necessary to weld dynamic balancing compensation block 7 in blind hole 5 in the position
, so that the weight gain process of rotor is simple and quick, since the counterweight of dynamic balancing compensation block 7 can be selected quickly on demand
It selects, the speed of rotor weight gain can be effectively improved.Therefore, the setting of dynamic balancing compensation block 7 and blind hole 5, so that motor turns
The dynamically balanced regulated efficiency of son is higher.
Specifically in the present invention, dynamic balancing compensation block 7 be stainless steel annulus, due to stainless steel annulus it is pourable and
At processing cost is lower, so dynamic balancing compensation block 7 also has lower processing cost, so that rotor adds
Work cost is lower.
Rotor: being placed on rotor dynamic balancing machine by the dynamic balance calibration process of rotor before this, opens
Rotor dynamic balancing machine is so that rotor high speed rotation;It is to observe the rotor shown on rotor dynamic balancing machine again
Non-equilibrium site;Then dynamic balancing compensation block 7 is welded in the blind hole of non-equilibrium site 5;It is dynamic flat to be again turned on rotor
Whether weighing apparatus machine testing rotor reaches dynamic balancing;If so, terminating correction work;If it is not, then continue the work of repetition front,
Until rotor reaches dynamic balancing.
In the present embodiment, dynamic balancing compensation block 7 is multiple, and multiple dynamic balancing compensation blocks 7 have different quality.
Specifically in the present embodiment, dynamic balancing compensation block 7 is the matter that multiple dynamic balancing compensation blocks 7 are realized by being superimposed
Measure different, since rotor is during dynamic balance calibration, the weight that each non-equilibrium site needs is generally different, electricity
The weight that machine rotor can be needed according to dynamic balancing selects to match with the immediate dynamic balancing compensation block 7 of required quality with blind hole 5, with
Accelerate the dynamically balanced correction rate of rotor, therefore, the dynamic balancing compensation block 7 of different quality can greatly improve rotor
Dynamically balanced correction efficiency.
Further, in the present embodiment, it can be inserted into metal plunger on each dynamic balancing compensation block 7, due to the gold of design
The weight for belonging to plunger is significantly smaller than the weight of dynamic balancing compensation block 7, so turning when the weight of dynamic balancing compensation block 7 is slightly less than motor
When weight needed for a certain position dynamic balancing of son, one or more metal plunger can be increased, so that increased weight and motor turn
Weight needed for a certain position dynamic balancing of son is more closely, to reduce the number of rotor dynamic balance calibration, so that motor
The correction of rotor dynamic balancing is more efficient, and therefore, metal plunger mainly plays fine tuning.
Further, in the present embodiment, multiple metal plungers on each dynamic balancing compensation block 7 have different matter
Amount, specifically in the present embodiment, metal plunger be it is different come the quality for realizing multiple metal plungers by changing its height, no
The metal plunger of homogenous quantities may make increased weight weight required for a certain non-equilibrium site more close on rotor,
So that the number of rotor dynamic balance calibration is reduced, and then substantially increases the dynamically balanced correction efficiency of rotor, into one
Step ground, the metal plunger of different quality and the dynamic balancing compensation block 7 of different quality cooperate, and it is dynamic flat can further to reduce rotor
The dynamically balanced correction efficiency of rotor further greatly improved in the number of corrections of weighing apparatus.
The dynamically balanced correction course of rotor are as follows: rotor was placed on rotor dynamic balancing machine before this, and
Rotor dynamic balancing machine is opened so that rotor high speed rotation;It is to observe the motor shown on rotor dynamic balancing machine again
The non-equilibrium site of rotor, and calculate and need increased weight;Then according to the weight of calculating, in the blind hole 5 of non-equilibrium site
Upper increase dynamic balancing compensation block 7 and one or more metal plunger, and the weight of dynamic balancing compensation block 7 and required weight phase
Closely;It is again turned on whether rotor dynamic balancing machine detection rotor reaches dynamic balancing;If so, terminating correction work;If
It is no, then continue the work for repeating front, until rotor reaches dynamic balancing.
In the present embodiment, rotor further includes gasket, and gasket is placed in 5 bottom of blind hole or is placed in dynamic balancing compensation block
7 tops increase the setting of gasket, so that increased weight weight required for a certain non-equilibrium site more close on rotor
Amount keeps check and correction adjustment balance more accurate, more efficient.
In the present embodiment, dynamic balancing compensation block 7 and blind hole 5, metal plunger, be injected with metal in the gap between gasket
Adhesive, because in not injecting glue, after dynamic balancing compensation block 7, blind hole 5, metal plunger, gasket welding, in rotor height
In the case where speed rotation, it is possible that loosening the case where even falling off, dynamic balancing compensation block can be further increased after injecting glue
7, the fastness connected between blind hole 5, metal plunger, gasket.
The basic principle of the utility model are as follows: during rotor carries out dynamic balance calibration, if display motor turns
The a certain position of son is uneven, it is only necessary to dynamic balancing compensation block 7 is welded in blind hole 5 in the position, since dynamic balancing is mended
The weight for repaying block 7 is optionally adjustable, can effectively improve the speed of rotor counterweight, therefore, dynamic balancing compensation block 7 with it is blind
The setting in hole 5, the simple raw dynamic balance calibration efficiency for effectively improving rotor, while reducing production cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of efficient balance rotor electric machine, it is characterised in that including rotor core (1), electric machine casing (2), stator (3), shaft
(4), balance end plate (6), dynamic balancing compensation block (7), the rotor core are nested in the shaft (4) middle position, described flat
There are two weighing apparatuses end plate (6), and is circular annular form structure, and described two balance end plates (6) are sheathed on the two of the shaft (4) respectively
End, and the rotor core (1) is held between described two balance end plates (6), the surface of the balance end plate (6) offers
Multiple blind holes (5), the blind hole (5) is along the circumferential direction setting of the shaft (4), and the dynamic balancing compensation block (7) is annular in shape, institute
The half that dynamic balancing compensation block (7) height design is less than the depth of blind hole (5) is stated, blind hole (5) diameter is dynamic slightly larger than described
Balanced compensated piece of (7) outside diameter, is fixedly connected by welding between the dynamic balancing compensation block (7) and the blind hole (5).
2. a kind of efficient balance rotor electric machine according to claim 1, it is characterised in that the dynamic balancing compensation block (7) is
It is multiple, and the multiple dynamic balancing compensation block (7) has different quality.
3. a kind of efficient balance rotor electric machine according to claim 1, it is characterised in that the dynamic balancing compensation block (7)
Metal plunger is provided among annulus.
4. a kind of efficient balance rotor electric machine according to claim 3, it is characterised in that the metal column is plugged with multiple, institute
The multiple metal plungers stated have different quality.
5. a kind of efficient balance rotor electric machine according to claim 3, it is characterised in that it further include having gasket, the gasket
In round pie, the gasket is consistent with dynamic balancing compensation block (7) outer diameter, the gasket be placed in the blind hole (5) bottom end or
It is placed in dynamic balancing compensation block (7) outer end.
6. a kind of efficient balance rotor electric machine according to claim 5, it is characterised in that the metal plunger and the pad
Piece is fixed together with the dynamic balancing compensation block (7) by welding.
7. a kind of efficient balance rotor electric machine according to claim 6, it is characterised in that the metal plunger, gasket and institute
The gap filling stated between dynamic balancing compensation block (7), blind hole (5) has metal-to-metal adhesive.
8. a kind of new-energy automobile, it is characterised in that the described new-energy automobile includes above-mentioned 1 to 7 described in any item one kind
Efficient balance rotor electric machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822226499.4U CN209184336U (en) | 2018-12-27 | 2018-12-27 | A kind of efficient balance rotor electric machine and its new-energy automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822226499.4U CN209184336U (en) | 2018-12-27 | 2018-12-27 | A kind of efficient balance rotor electric machine and its new-energy automobile |
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CN209184336U true CN209184336U (en) | 2019-07-30 |
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CN201822226499.4U Expired - Fee Related CN209184336U (en) | 2018-12-27 | 2018-12-27 | A kind of efficient balance rotor electric machine and its new-energy automobile |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110768460A (en) * | 2019-11-27 | 2020-02-07 | 珠海凯邦电机制造有限公司 | A motor and commodity circulation car for driving commodity circulation car |
-
2018
- 2018-12-27 CN CN201822226499.4U patent/CN209184336U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110768460A (en) * | 2019-11-27 | 2020-02-07 | 珠海凯邦电机制造有限公司 | A motor and commodity circulation car for driving commodity circulation car |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 |