CN207732574U - A kind of high-speed electric expreess locomotive - Google Patents
A kind of high-speed electric expreess locomotive Download PDFInfo
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- CN207732574U CN207732574U CN201721912037.7U CN201721912037U CN207732574U CN 207732574 U CN207732574 U CN 207732574U CN 201721912037 U CN201721912037 U CN 201721912037U CN 207732574 U CN207732574 U CN 207732574U
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- sleeve
- speed electric
- electric expreess
- expreess locomotive
- casing
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Abstract
The utility model is related to a kind of high-speed electric expreess locomotives, belong to technical field of motors.The high-speed electric expreess locomotive includes stator, rotor, casing and the sleeve being arranged between the stator and the rotor, and the sleeve is fixed on the casing, it is characterised in that：It is additionally provided with metal film on the sleeve.The utility model is provided with metal film on sleeve, using the shielding character of metal film, can effectively prevent harmonic wave interference, improves the integral energy transfer efficiency of high-speed electric expreess locomotive；Sleeve is plugged in the slot on casing by the utility model, the better fixes sleeve of energy so that sleeve is stabilized on casing, avoids sleeve because of vibration and position offset occurs, improve the integral energy transfer efficiency of high-speed electric expreess locomotive.
Description
Technical field
The utility model is related to a kind of high-speed electric expreess locomotives, belong to technical field of motors.
Background technology
High-speed electric expreess locomotive typically refers to the motor that rotating speed is more than 10000r/min, and high-speed electric expreess locomotive has the following advantages：When by
In rotating speed height, so power of motor density is high, and the motor that volume is common much smaller than power, it can effectively save material；Two
It is that can be connected with prime mover, eliminates traditional deceleration mechanism, transmission efficiency, noise is small；Third, since high-speed electric expreess locomotive rotates
Inertia is small, so dynamic is corresponding fast.
Due to when assembling motor, being needed between stator and rotor there are gap, in order to meet the requirement of installation sleeve then
Gap must be increased, there is fundamental waves and higher harmonic components in air gap, and for the motor of rotation, the presence of harmonic wave can significantly
Reduce the transfer efficiency of integral energy.For the motor of rotation, harmonic current or harmonic voltage are returned in stator winding, rotor
Added losses are will produce in road and iron core, the integral energy transfer efficiency of motor is caused to reduce.Harmonic current can make the copper of motor
Consumption increases, so motor will generate under serious harmonic load, hot-spot, vibration and noise will increase, temperature rises and increases, and cause
Insulating layer aging accelerates, and reduces the service life of equipment, influence of the harmonic wave to motor can also produce electricity in addition to causing added losses
Pressure.In high-speed electric expreess locomotive, the property relationship of air gap and motor between stator and rotor is very big, and air gap is bigger, and magnetic resistance is bigger, right
The motor for evaporating cooling type is even more so, because sleeve present in the motor of evaporation cooling type, air gap certainly will increase.
Invention content
The technical problem to be solved by the utility model is to provide a kind of high-speed electric expreess locomotives reasonable in design, can be effective
The harmonic propagation generated in high-speed electric expreess locomotive stator structure is avoided to be damaged to rotor to rotor.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of high-speed electric expreess locomotive, including stator, rotor, casing and the sleeve being arranged between the stator and the rotor,
The sleeve is fixed on the casing, and metal film is additionally provided on the sleeve.
The utility model is provided with metal film on sleeve, using the shielding character of metal film, is equivalent in stator and turns
The centre of son increases the protecting film of one layer of isolation, and stator harmonic propagation can effectively be isolated to rotor surface, can prevent stator
Influence of the harmonic wave to rotor improves the integral energy transfer efficiency of high-speed electric expreess locomotive.
Preferably, the sleeve is fiberglass sleeve.
It is furthermore preferred that the metal film is copper film.
It is furthermore preferred that the copper film is attached to the surface of the fiberglass sleeve in the form of spraying.The design facilitates copper
Film is fixed on fiberglass sleeve, easy to operate.
Preferably, slot is provided on the casing, the sleeve is plugged in the slot.The design can preferably be consolidated
Determine sleeve so that sleeve is stabilized on casing, avoids sleeve because of vibration and position offset occurs, and causes to reduce the whole of motor
Body energy conversion efficiency.
The utility model compared with the existing technology has the following advantages and effect：
1, the utility model is provided with metal film on sleeve, using the shielding character of metal film, can effectively prevent humorous
Wave interference improves the integral energy transfer efficiency of high-speed electric expreess locomotive；
2, sleeve is plugged in the slot on casing by the utility model, the better fixes sleeve of energy so that sleeve is firm
On casing, sleeve is avoided because of vibration, position offset occurs, improve the integral energy transfer efficiency of high-speed electric expreess locomotive.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of slot.
Label declaration：.
1, stator；2, rotor；3, casing；4, stator winding；5, stator core；6, sleeve；7, metal film；8, copper film；9、
Slot；10, engine base；11, seal washer；12, fiberglass sleeve.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, following embodiment is to the utility model
Explanation and the utility model is not limited to following embodiment.
Embodiment 1：
As shown in Figure 1, a kind of high-speed electric expreess locomotive, including stator 1, rotor 2, casing 3, sleeve 6 and metal film 7.
Stator 1 is the stationary part of high-speed electric expreess locomotive, is set to the inner cavity of casing 3, and is immersed in coolant liquid.Stator
1 includes stator core 5, stator winding 4 and engine base 10.Engine base 10 is to fixed support stator core 5 and stator winding 4.Stator
Iron core 5 constitutes the important component in motor magnetic flux circuit and fixed stator winding 4, it constitutes one by punching and various fasteners compression
A entirety.Stator core in the prior art is to meet the requirement of the utility model.Existing stator winding, according to motor
Number of magnetic poles is distributed the relationship to form practical number of magnetic poles with winding, can be divided into salient pole formula and multitudinous pole formula two types；According to coil around
The shape of system is different from embedded wire laying mode, can be divided into centralized and distributed two class.Existing stator winding meets this reality
With novel requirement.
Rotor 2 is the part of high-speed electric expreess locomotive rotation, and rotor 2 is set in stator 1, and the both ends of rotor 2 are stretched out outside casing 3.
The main function of stator 1 is to generate rotating excitation field, and the main function of rotor 2 is in rotating excitation field by the magnetic line of force
It cuts and then generates (output) electric current.
Sleeve 6 is arranged between stator 1 and rotor 2, and sleeve 6 is made of non-magnetic material.
Metal film 7 is arranged on sleeve 6.Metal generally all has shielding character, and the harmonic wave generated in high-speed electric expreess locomotive is exactly
Spatial electromagnetic wave, metal film 7 are just comparable to add the protecting film of one layer of isolation among given son 1 and rotor 2, prevent harmonic wave dry
It disturbs.
Embodiment 2：
According to embodiment 1, it is fiberglass sleeve 12 to differ only in sleeve 6.
Fiberglass (FRP) is also referred to as GFRP, i.e. fiber-reinforced plastic, refer generally to glass fiber reinforcement unsaturated polyester,
Epoxy resin and phenolic resin as matrix resin.Make the reinforced plastics of reinforcing material with glass fibre or its product, appellation is glass fibre
Reinforced plastics, or be fiberglass, it is different from tempered glass.Non-conductive with light and hard, performance is stablized, high mechanical strength,
Recycle few, corrosion resistant advantage.
Embodiment 3：
According to embodiment 2, it is copper film 8 to differ only in metal film 7.
In the present invention, metal film 7 can also use other metals, but the shield effectiveness of copper film 8 is more preferably.
Embodiment 4：
According to embodiment 3, the table that copper film 8 is attached to fiberglass sleeve 12 in the form of spraying is differed only in
Face.
In the present invention, copper film 8 can also be fixed on fiberglass sleeve in a manner of welding or other are achievable
On 12, but the mode sprayed is the easiest.
Embodiment 5：
It according to embodiment 1, differs only in and is provided with slot 9 on casing 3, sleeve 6 is directly plugged in slot 9
It is interior.As shown in Fig. 2, being additionally provided with seal washer 11 in slot 9, facilitate the installation of sleeve 6.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done,
It is included in the protection domain of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or substitutes by a similar method, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of high-speed electric expreess locomotive, including stator (1), rotor (2), casing (3) and setting are in the stator (1) and the rotor
(2) sleeve (6) between, the sleeve (6) are fixed on the casing (3), it is characterised in that：On the sleeve (6) also
It is provided with metal film (7).
2. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：The sleeve (6) is fiberglass sleeve (12).
3. a kind of high-speed electric expreess locomotive according to claim 2, it is characterised in that：The metal film (7) is copper film (8).
4. a kind of high-speed electric expreess locomotive according to claim 3, it is characterised in that：The copper film is attached to institute in the form of spraying
State the surface of fiberglass sleeve (12).
5. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：It is provided with slot (9) on the casing (3),
The sleeve (6) is plugged in the slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912037.7U CN207732574U (en) | 2017-12-30 | 2017-12-30 | A kind of high-speed electric expreess locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912037.7U CN207732574U (en) | 2017-12-30 | 2017-12-30 | A kind of high-speed electric expreess locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207732574U true CN207732574U (en) | 2018-08-14 |
Family
ID=63083853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912037.7U Active CN207732574U (en) | 2017-12-30 | 2017-12-30 | A kind of high-speed electric expreess locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207732574U (en) |
-
2017
- 2017-12-30 CN CN201721912037.7U patent/CN207732574U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Block D, No.90, 12th Street, Binhai New Area Development Zone, Tianjin Patentee after: Tianjin Feixuan Technology Co.,Ltd. Patentee after: TIANJIN EMAGING HIGH SPEED MOTOR TECHNOLOGY Co.,Ltd. Address before: Block 90, 12th Avenue, Tianjin Binhai New Area Development Zone, 300450 Patentee before: TIANJIN EMAGING TECHNOLOGY Co.,Ltd. Patentee before: TIANJIN EMAGING HIGH SPEED MOTOR TECHNOLOGY Co.,Ltd. |