CN109256917A - The manufacturing process of linear eddy-current brake device braking field structure - Google Patents
The manufacturing process of linear eddy-current brake device braking field structure Download PDFInfo
- Publication number
- CN109256917A CN109256917A CN201811201380.XA CN201811201380A CN109256917A CN 109256917 A CN109256917 A CN 109256917A CN 201811201380 A CN201811201380 A CN 201811201380A CN 109256917 A CN109256917 A CN 109256917A
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- China
- Prior art keywords
- field structure
- coil
- manufacturing process
- fixed
- iron core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/02—Windings characterised by the conductor material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
Abstract
The present invention relates to the linear eddy-current brake device manufacturing process of braking field structure, comprising the following steps: fixed cable tie is arranged in iron core periphery compartment of terrain；Insulating layer is bound in iron core periphery, and fixed cable tie is fixed on core exterior surface；The coiling coiling outside insulating layer；The periphery setting supporting layer of coil, and fixed cable tie is tightened, supporting layer and coil are tightened together；Binding post is placed in the side of coil, and will crimp after the cable and damper ends depainting of coil with crimp type terminal, and then crimp type terminal is welded and fixed with binding post；Field structure is put into encapsulating die and carries out vacuum glue pouring, and is solidified, the encapsulation of field structure is completed.The field structure of present invention process preparation, in the case where not changing original magnetic pole product size, magnetic pole rated power can reach 3.2KW, and magnetomotive force can reach 21.7kA.It can satisfy requirement of the magnetic suspension train of new generation to braking magnetic pole.
Description
Technical field
The invention belongs to rail vehicle braking system technical fields, and in particular to a kind of braking suitable for magnetic suspension train
The manufacturing process of magnetic pole.
Background technique
Existing magnetic suspension train mostly uses linear eddy-current brake device to carry out emergency braking.Linear eddy-current brake technology is benefit
With under high-speed condition, the braking magnetic pole magnetic field generated that is powered generates vortex in side guide, according to Maxwell's law and stupefied
Secondary law, the magnetic field and former magnetic field interaction for being vortexed generation attract, to produce brake force, which passes through braking magnetic
Pole iron core, magnetic yoke, rod assembly are eventually transferred on the bogie of car, to realize braking.
Shanghai Maglev train F-Zero is 500km/h, the linear eddy-current brake device magnetic pole used on vehicle, individually
The specified magnetomotive force 20.4KA of magnetic pole.Since the limitations such as space and weight are harsher, the magnetomotive force for needing to generate is bigger, mesh
It is preceding using aluminium film wound around coil technology there are manufacture difficulty it is big, cost is high, winding process and welding procedure difficulty are big the problems such as.
The highest operation speed per hour of magnetic suspension train of new generation is 600km/h, and according to deceleration demand, extrapolating braking magnetic pole is needed
Magnetomotive force to be offered is up to 21.7kA.If increasing braking magnetic pole electric current by force, coil may be burnt out, braking is caused to lose
Effect, consequence are serious.In the case where the requirements such as the structure snd size of entire product, weight are not loosened, to braking magnetic pole
Design for, great challenge.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the disadvantages mentioned above of the prior art, provide a kind of linear eddy current system
The manufacturing process of dynamic device braking field structure.
In order to solve the above technical problems, the manufacturing process of field structure provided by the invention, comprising the following steps:
Fixed cable tie is arranged in step 1, iron core periphery compartment of terrain；
Step 2, insulating layer is bound in iron core periphery, and fixed cable tie is fixed on core exterior surface；
Step 3, the coiling coiling outside insulating layer；
The periphery setting supporting layer of step 4, coil, and fixed cable tie is tightened, supporting layer and coil are tightened together；
The side placement binding post of step 5, coil, and will be crimped after the cable and damper ends depainting of coil with crimp type terminal, then press
Connecting terminal is welded and fixed with binding post；
Field structure is put into encapsulating die and carries out vacuum glue pouring, and solidified by step 6, completes the encapsulation of field structure.
Field structure mainly by epoxy resin encapsulated layer, glass fiber net, insulating tape, pyrocondensation band, iron core, coil block with
And binding post composition.Iron core is the preferable mild steel of magnetic conductivity, and magnetic conductivity is good and intensity is high, mainly there is conducting magnetic circuit and biography
Pass Braking；Insulating tape has primarily served electrical isolation and mechanical isolation between iron core and enameled wire；Coil block
For excitation part, powerful magnetomotive force is generated after main energization；Binding post is electric interfaces, and outside energy is introduced coil group
Part；Coil and supporting layer (glass fiber net) are carried out pyrocondensation fastening by pyrocondensation band, ensure that exoskeletal coil will not be loose；Supporting layer
The addition of (glass fiber net) can further strengthen the mechanical strength of encapsulated layer；Epoxy resin encapsulated layer is insulation glue-line, on the one hand
Increase the mechanical strength in packaging area, on the other hand plays insulation and moisture-proof role.
Since existing field structure is using aluminium enamel-covered wire, binding post is brass, and the mutual weldering of the two is poor, seriously
Affect the progress of production and the weld strength of product itself.The present invention devises a kind of outlet structure form, preferably avoids
Problem above, use is easily welded with copper on the enameled wire after depainting and crimp type terminal with good conductivity crimps, and is made
Conducting wire and crimp type terminal hardness combine, and then weld crimp type terminal and binding post, and which ensure that the complete of circuit
Whole property, due to good weldability, the machine finally welded between crimp type terminal (using copper material, such as H59, H62 etc.) and copper
Tool intensity is very firm.
The invention has the following advantages that
1, carry out coiling winding with aluminum enameled wire, eliminate the independent control of insulation film is required and there is no aluminium film and
Folded situation after insulating film line feed, greatly reduces cost and technique for coiling difficulty；
2, after coil is wound, pyrocondensation fastening is carried out with pyrocondensation band, ensure that exoskeletal coil will not be loose.
3, crimping and the easy welding metal material of copper (such as copper) on enameled wire, then directly weld it with binding post
Come, which be reduced to weld at 2 by 4, and increases weld strength and reliability；
4, it is encapsulated using epoxide resin vacuum, greatly reduces air gap content in product, increase the thermal conductivity of final products
Energy and insulation performance.
The field structure of present invention process preparation, in the case where not changing original magnetic pole product size, the specified function of magnetic pole
Rate can reach 3.2KW, and magnetomotive force can reach 21.7kA, and heat resisting temperature is not less than F grades (155 DEG C), and IP grade meets IP67, insulation
Pressure resistance meets AC2.4kV (1kHz) and continues 1min intensity, and weight is not more than 24kg.It can satisfy magnetic suspension train of new generation to use
Requirement to braking magnetic pole.
Detailed description of the invention
Fig. 1 is the top view for braking magnetic pole.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the outlet method schematic diagram for braking magnetic pole.
Fig. 4 is braking magnetic pole cross section partial enlarged view.
Fig. 5 is that pyrocondensation band fixes schematic diagram on iron core.
Fig. 6 is vacuum glue pouring schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figures 1 to 4, the present embodiment technique field structure to be manufactured, the field structure are suitable for magnetic suspension
The linear eddy current braking device of train, the size of field structure are as follows: long 382.5mm, wide 167mm, high 51mm.Braking magnetic pole mainly wraps
Include cored 5, insulating tape 3, coil 6, pyrocondensation band 2, glass fiber mesh layer 4, epoxy resin encapsulated layer 1 and binding post 7.
Wherein, the mild steel that magnetic conductivity is good and intensity is high is selected in iron core 5, for magnetic circuit and transmitting brake force to be connected.?
In the case where meeting flux demand, the chamfering of iron core 5 should be not less than 28mm, and enameled wire can be prevented in chamfering and straight flange intersection
Raised situation, on the one hand prevents enameled wire local pressure to be easy to damage, and on the one hand prevents coil dimension beyond design requirement.Iron core
The upper and lower step C for being each provided with a circle indent of 5 peripheries, the cable of coil are set around the outer of the region between described two steps
It encloses.Concave step size is about width 2mm, and high 4mm, which reserves certain space, in the space after epoxy resin cure,
Displacement of the coil block in terms of axial direction is hindered to a certain extent.
Insulating tape 3 is set to 5 periphery (region between two steps) of iron core, for completely cutting off coil 4 and iron core 5.
Coil 6 is set around 3 periphery of insulating tape using aluminium enamel-covered wire, for generating magnetomotive force after energization.In this example, absolutely
Edge adhesive tape 3 uses the insulating tape of glass fibre material.
Glass fiber mesh layer 4, is set to coil periphery, for improving package strength.Glass fiber mesh 4 in this example, is removed
Other reticular structure materials with higher-strength can also be used except this, such as carbon fibre web.
Pyrocondensation band 4, the setting along 5 periphery interval of iron core, is used for fixed coil 6, and coil 6 and supporting layer 2 are consolidated
It is scheduled on together.In this example, it is fixed on 5 periphery of iron core by what pyrocondensation band 4 was spaced first with insulating tape 3, then further around coil
6.Be conducive to the fixation of pyrocondensation band 4 and the coiling of coil 6 in this way.Comprehensively consider size limitation, intensity etc. and requires pyrocondensation band
Thickness is not less than 0.3mm.
Epoxy resin encapsulated layer 1, is wrapped in outside field structure, for close to coil 6 and being anchored on iron core
Outside.
Binding post 7 is electrically connected between binding post 7 and the cable and damper ends of coil 6 by crimp type terminal 8, epoxy resin encapsulation
Binding post 7 is fixed on the side with coil 6 by layer 1.Crimp type terminal 8 is copper material.
As shown in figure 3, the cable and damper ends depainting of coil 6, crimps with crimp type terminal 8, crimp type terminal 8 and binding post 7 are welded
Fixed (B is weld in figure), the cable and damper ends of coil 6 are enclosed with heat-shrinkable T bush 9 at crimp type terminal 8.
The manufacturing process of the present embodiment braking magnetic pole, comprising the following steps:
Pyrocondensation band 4 is arranged in the peripheral compartment of terrain of step 1, iron core 5, specifically, as shown in Figure 5 being consolidated pyrocondensation band 4 using glue
The corresponding position being scheduled on iron core guarantees that pyrocondensation band 4 is not subjected to displacement in enameled wire winding process；
Step 2, insulating tape 3 is bound in 5 periphery of iron core, and pyrocondensation band 4 is fixed on 5 outer surface of iron core；
Step 3, in the outer coiling coiling 6 of insulating tape 3；
The periphery setting supporting layer 2 of step 4, coil 6, and pyrocondensation band 4 is tightened, glass fiber mesh 2 and coil 6 are fastened on one
It rises；
The side placement binding post 7 of step 5, coil 6, and will be crimped after the cable and damper ends depainting of coil 6 with crimp type terminal 8, line
The cable and damper ends of circle 6 are wrapped up in insulating sleeve 9(this example at crimp type terminal 8, and insulating sleeve 9 is heat-shrink tube), then crimp
Terminal 8 is welded and fixed with binding post 7；
Step 6, as shown in fig. 6, field structure is put into encapsulating die 11, encapsulating die is put into vacuum tank 13, carry out
Vacuum glue pouring, gum-injecting port 12 are located at the bottom of encapsulating die 11.In the present embodiment, product is sealed using epoxide-resin glue
Dress, fix coil 6 and binding post 7, and increase the mechanical strength in packaging area, play insulation and it is moisture-proof
Effect.Encapsulating die is placed in insulating box after encapsulating is complete and is solidified, is carried out according to the solidifying requirements of epoxide-resin glue solid stage by stage
Change: 6h, 80 DEG C of -2h, 90 DEG C of -2h, 100 DEG C of -8h, 130 DEG C, after the completion of solidification, cooling and demolding.
Innovative point of the present invention is:
1, coiling winding is carried out using aluminum enameled wire, eliminates and the independent control of insulation film is required and is not present aluminium film
With folded situation after insulating film line feed, cost and technique for coiling difficulty are greatly reduced；
2, after coil is wound, pyrocondensation fastening is carried out with pyrocondensation band, ensure that exoskeletal coil will not be loose.
3, crimping and the easy welding metal material of copper (such as copper) on enameled wire, then directly weld it with binding post
Come, this process modification is to reduce costs, ensure that the integrality of circuit and increase weld strength and reliability；
4, Vacuum Package is selected in epoxy resin encapsulating encapsulation, and encapsulating greatly reduces air gas in product from bottom glue-filling
Gap content increases the heating conduction and insulation performance of final products.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of manufacturing process of field structure, comprising the following steps:
Peripheral compartment of terrain arrangement fixed cable tie (4) of step 1, iron core (5)；
Step 2, insulating layer (3) are bound in iron core (5) periphery, and fixed cable tie (4) is fixed on iron core (5) outer surface；
Step 3, in the outer coiling coiling (6) of insulating layer (3)；
Periphery setting supporting layer (2) of step 4, coil (6), and fixed cable tie (4) are tightened, supporting layer (2) and coil (6) is tight
Gu together；
Step 5, coil (6) side place binding post (7), and by after the cable and damper ends depainting of coil (6) with crimp type terminal (8)
Crimping, then crimp type terminal (8) is welded and fixed with binding post (7)；
Field structure is put into encapsulating die and carries out vacuum glue pouring, and solidified by step 6, completes the encapsulation of field structure.
2. the manufacturing process of field structure according to claim 1, it is characterised in that: the cable and damper ends of coil (6) are close to pressure
Insulating sleeve (9) are wrapped up at connecting terminal (8), the crimp type terminal (8) is copper material.
3. the manufacturing process of field structure according to claim 2, it is characterised in that: the insulating sleeve (9) is heat-shrink tube.
4. the manufacturing process of field structure according to claim 3, it is characterised in that: in step 6, utilize epoxide-resin glue pair
Product is packaged, and encapsulating die is placed in insulating box after encapsulating is complete and is solidified, and is carried out according to the solidifying requirements of epoxide-resin glue
Solidification, after the completion of solidification, cooling and demolding.
5. the manufacturing process of field structure according to claim 1, it is characterised in that: the supporting layer (2) is glass fibre
Net, insulating layer (3) are insulating tape, and fixed cable tie (4) is pyrocondensation band, and the encapsulated layer (1) is epoxy resin encapsulated layer.
6. the manufacturing process of field structure according to claim 1, it is characterised in that: in step 1, pricked using glue by fixed
Band (4) is fixed on the corresponding position on iron core, guarantees that fixed cable tie (4) are not subjected to displacement in enameled wire winding process.
7. the manufacturing process of field structure according to claim 1, it is characterised in that: iron core (5) periphery it is each up and down
It is provided with the step (C) of a circle indent, the cable of coil is set around the periphery in the region between described two steps.
8. the manufacturing process of field structure according to claim 1, it is characterised in that: the cable of the coil is aluminum enamel-cover
Line.
9. the manufacturing process of field structure according to claim 1, it is characterised in that: the gum-injecting port of encapsulating die is located at encapsulating
The bottom of mold.
10. the manufacturing process of field structure according to claim 1, it is characterised in that: the material of the crimp type terminal is copper.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201380.XA CN109256917A (en) | 2018-10-16 | 2018-10-16 | The manufacturing process of linear eddy-current brake device braking field structure |
| PCT/CN2018/110614 WO2020077556A1 (en) | 2018-10-16 | 2018-10-17 | Braking magnetic pole structure for linear eddy current braking device, and manufacturing process for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201380.XA CN109256917A (en) | 2018-10-16 | 2018-10-16 | The manufacturing process of linear eddy-current brake device braking field structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109256917A true CN109256917A (en) | 2019-01-22 |
Family
ID=65046297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201380.XA Pending CN109256917A (en) | 2018-10-16 | 2018-10-16 | The manufacturing process of linear eddy-current brake device braking field structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109256917A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466357A (en) * | 2019-08-15 | 2019-11-19 | 南京中车浦镇海泰制动设备有限公司 | A kind of linear eddy-current brake device |
| CN111525753A (en) * | 2020-05-12 | 2020-08-11 | 南京中车浦镇海泰制动设备有限公司 | Manufacturing process of braking magnetic pole for linear eddy current braking device |
| CN112260491A (en) * | 2020-09-30 | 2021-01-22 | 武汉华大新型电机科技股份有限公司 | Method for manufacturing rotor of coreless linear motor |
| CN114175184A (en) * | 2019-04-10 | 2022-03-11 | Vem萨克森维克有限公司 | Weather-resistant electromagnetic coil |
| CN116978690A (en) * | 2023-08-14 | 2023-10-31 | 常州敏杰电器有限公司 | Manufacturing process of coil iron core assembly of elevator band-type brake |
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| CN201910730U (en) * | 2010-12-21 | 2011-07-27 | 泰乐玛汽车制动系统（上海）有限公司 | Coil structure of retarder |
| CN201985742U (en) * | 2011-01-27 | 2011-09-21 | 凯迈（江苏）机电有限公司 | Coil, stator frame and stator of eddy current retarder |
| CN102801264A (en) * | 2012-09-04 | 2012-11-28 | 魏乐汉 | Permanent magnet laminated motor |
| CN204011863U (en) * | 2014-07-07 | 2014-12-10 | 珠海凌达压缩机有限公司 | Wiring construction |
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| US4135106A (en) * | 1976-07-30 | 1979-01-16 | Labavia S.G.E. | Eddy-current retarders whose stator comprises a ring of electro-magnets |
| CN201910730U (en) * | 2010-12-21 | 2011-07-27 | 泰乐玛汽车制动系统（上海）有限公司 | Coil structure of retarder |
| CN201985742U (en) * | 2011-01-27 | 2011-09-21 | 凯迈（江苏）机电有限公司 | Coil, stator frame and stator of eddy current retarder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114175184A (en) * | 2019-04-10 | 2022-03-11 | Vem萨克森维克有限公司 | Weather-resistant electromagnetic coil |
| CN114175184B (en) * | 2019-04-10 | 2023-11-10 | Vem萨克森维克有限公司 | Weather-resistant electromagnetic coil |
| CN110466357A (en) * | 2019-08-15 | 2019-11-19 | 南京中车浦镇海泰制动设备有限公司 | A kind of linear eddy-current brake device |
| CN111525753A (en) * | 2020-05-12 | 2020-08-11 | 南京中车浦镇海泰制动设备有限公司 | Manufacturing process of braking magnetic pole for linear eddy current braking device |
| CN112260491A (en) * | 2020-09-30 | 2021-01-22 | 武汉华大新型电机科技股份有限公司 | Method for manufacturing rotor of coreless linear motor |
| CN112260491B (en) * | 2020-09-30 | 2022-08-30 | 武汉华大新型电机科技股份有限公司 | Method for manufacturing rotor of coreless linear motor |
| CN116978690A (en) * | 2023-08-14 | 2023-10-31 | 常州敏杰电器有限公司 | Manufacturing process of coil iron core assembly of elevator band-type brake |
| CN116978690B (en) * | 2023-08-14 | 2024-01-02 | 常州敏杰电器有限公司 | Manufacturing process of coil iron core assembly of elevator band-type brake |
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Application publication date: 20190122 |