CN218384736U - Reactor and rail cross traction system using same - Google Patents
Reactor and rail cross traction system using same Download PDFInfo
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- CN218384736U CN218384736U CN202222300123.XU CN202222300123U CN218384736U CN 218384736 U CN218384736 U CN 218384736U CN 202222300123 U CN202222300123 U CN 202222300123U CN 218384736 U CN218384736 U CN 218384736U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 7
- 241000950638 Symphysodon discus Species 0.000 claims description 5
- HOQADATXFBOEGG-UHFFFAOYSA-N isofenphos Chemical group CCOP(=S)(NC(C)C)OC1=CC=CC=C1C(=O)OC(C)C HOQADATXFBOEGG-UHFFFAOYSA-N 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a reactor and use rail of this reactor to hand over driving system, include: the coil winding structure comprises an iron core in a cuboid structure, a coil wound on the circumferential side of the iron core, and a pair of insulating cushion blocks respectively arranged on two width sides of the iron core; the iron core is fixed with a pair of insulating cushion blocks through pull plates respectively arranged on two length side end faces of the iron core; and the two axial ends of the coil are respectively provided with a non-magnetic beam frame which is suitable for being fastened and connected with the pulling plate. The utility model discloses can improve the radiating efficiency of the reactor that uses in the rail traffic traction system and realize the lightweight of reactor.
Description
Technical Field
The utility model relates to a reactor technical field especially relates to a reactor and use rail of this reactor to hand traction system.
Background
The reactor is a common device in a power system, and is commonly a hollow reactor and an iron core reactor. The iron core reactor has longer service life, and compared with the air core reactor, the iron core reactor can save more than 50% of electric energy and save more energy, so the iron core reactor replaces the air core reactor in more and more working environments. In order to generate an energy storage effect and ensure the rigid relation between the inductance value and the current of the reactor, air gaps are designed and distributed in the reactors generally used in the prior art.
For the reactors which are used more in the prior art, the reactors generally comprise an upper iron yoke and a lower iron yoke, and the arrangement of the upper iron yoke and the lower iron yoke may cause shielding on a cooling air duct in the axial direction of the coil, thereby directly influencing the overall heat dissipation efficiency. The low heat dissipation efficiency of the reactor can directly reduce the allowable current density of the conductor of the reactor, and compared with the situation of adopting high current density, the design of the reactor at the moment needs to increase the weight of the whole reactor, and the increase of the weight of the reactor inevitably causes the increase of the whole production cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose provides a reactor to solve the technical problem who improves the radiating efficiency of reactor and the lightweight of reactor.
The utility model discloses a second purpose provides a traction system is handed over to the rail to solve the radiating efficiency who improves the reactor that the rail was handed over and is used in the traction system and the lightweight technical problem of reactor.
The utility model discloses a reactor is realized like this:
a reactor, comprising: the coil winding structure comprises an iron core in a cuboid structure, coils wound on the circumferential sides of the iron core, and a pair of insulating cushion blocks respectively arranged on two width sides of the iron core; wherein
The iron core is used for fixing a pair of insulating cushion blocks through pull plates respectively arranged on two length side end faces of the iron core; and
and two ends of the coil in the axial direction are respectively provided with a non-magnetic beam frame which is suitable for being fixedly connected with the pulling plate.
In an alternative embodiment of the present invention, a plurality of magnetic shielding pulling plates are provided between the beam frames at both axial ends of the coil and surrounding the outside of the coil at intervals.
In the alternative embodiment of the present invention, any one of the magnetic shielding pulling plates includes a pair of clamping plates and a plurality of silicon steel magnetic shielding plates disposed in the pair of clamping plates along the axial direction of the coil.
In an alternative embodiment of the present invention, the beam frame includes a base frame for connecting a plurality of magnetic shield pulling plates and formed with an opening inside and a pair of connecting frames formed in the opening for mating with the pulling plates.
In an optional embodiment of the present invention, the cross-sections of a pair of pulling plates respectively located at two length side end faces of the iron core are both rectangular structures; and
the length of the pulling plate is greater than that of the iron core so that a pair of width side ends of the pulling plate protrude one-to-one from a pair of width side ends of the iron core.
In an optional embodiment of the present invention, the iron core includes a plurality of discus punching sheets stacked in a stack; and
an air gap plate is arranged between every two adjacent discus punching sheets.
In an alternative embodiment of the present invention, the coil comprises at least one layer of winding coil; and
and a plurality of annular ventilation channels which are concentrically arranged are formed in each layer of winding coil in a winding way.
In an alternative embodiment of the present invention, the pulling plate is made of an insulating material.
The utility model discloses a traction system is handed over to rail is realized like this:
a rail transit traction system comprising: the reactor is provided.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a reactor and use rail of this reactor to hand traction system has the iron core, can effectively promote the inductance value under the prerequisite of equal coil consumptive material, reduces the number of turns under the equal inductance value promptly, practices thrift the quantity of expensive electromagnetic wire. In addition, no iron yoke is arranged on the cooling air duct in the axial direction of the coil for shielding, the electric reactor is particularly suitable for forced air cooling or vehicle traveling air cooling, and when the electric reactor is installed in the advancing direction of a train, only small air volume is needed for cooling, the noise of the fan is small, the heat dissipation efficiency of the whole electric reactor can be improved, and the temperature difference of local hot spots of the coil is small. Moreover, the coil does not need to adopt a cake-shaped structure, the winding process is simple, and the working time and the cost are low.
Drawings
Fig. 1 is a schematic perspective view of a reactor according to the present invention;
fig. 2 is a schematic sectional view of the reactor of the present invention;
fig. 3 is a schematic diagram of the iron core and the pulling plate of the reactor according to the present invention;
fig. 4 is a schematic structural view of a beam frame of the reactor of the present invention;
fig. 5 is a schematic structural view of a magnetic shielding pulling plate of the reactor of the present invention;
fig. 6 is a schematic structural view of a coil of a reactor according to the present invention.
In the figure: the magnetic shielding structure comprises an iron core 1, a discus punching sheet 101, an air gap plate 102, a coil 2, a spacer 3, a beam frame 5, a base frame 51, an opening 52, a connecting frame 53, an insulating cushion block 6, a pulling plate 7, a magnetic shielding pulling plate 11, a clamping plate 111, a silicon steel magnetic shielding sheet 112, an annular ventilation duct 12 and a protective shell 13.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.
Example 1:
referring to fig. 1 to 6, the present embodiment provides a reactor, including: the coil comprises an iron core 1 in a cuboid structure, a coil 2 wound on the circumferential side of the iron core 1, and a pair of insulating cushion blocks 6 respectively arranged on two width sides of the iron core 1. Specifically, the iron core 1 has a pair of insulating spacers 6 fixed to pulling plates 7 provided on both longitudinal end surfaces thereof. The pulling plate 7 is made of an insulating material.
In more detail, the cross sections of the pair of pulling plates 7 respectively positioned on the two length side end faces of the iron core 1 are both rectangular structures; and the length of the pulling plate 7 is greater than that of the iron core 1, so that a pair of width side ends of the pulling plate 7 protrudes from a pair of width side ends of the iron core 1 one by one, and under the structure, the part of the pulling plate 7 protruding from the iron core 1 is used for forming a fastening fit with the insulating cushion block 6.
Furthermore, in this embodiment, a non-magnetic beam frame 5 adapted to be fastened to the pulling plate 7 is disposed at each of the two axial ends of the coil 2. That is, the reactor of the present embodiment replaces the iron yoke in the related art by the provided beam frame 5. The tie plate 7 may be coupled to the insulating spacer block 6 to the beam frame 5 by means of, for example but not limited to, bolts. The insulating pad 6 is made of a non-magnetic material with low conductivity to bear the pre-tightening force of the bolt between the pulling plate 7 and the beam frame 5.
In addition to the above configuration, a plurality of magnetic shield pulling plates 11 are provided at intervals so as to surround the outside of the coil 2 between the beam frames 5 located at both ends of the coil 2 in the axial direction. A plurality of magnetic shield pulling plates 11 surround each other to form an annular structure to surround the coil 2 on the outer side in the circumferential direction.
As a specific alternative, taken by way of example in connection with the accompanying drawings, the beam frame 5 comprises a base frame 51 for connecting a plurality of magnetic shield pulling plates 11 and formed with an opening 52 inside, and a pair of connecting frames 53 formed in the opening 52 for mating with the pulling plates 7. Here too, the connecting frame 53 has a plurality of openings suitable for ventilation in the axial direction of the coil 2. Under the structure, the integral beam frame 5 can form a ventilation channel in the axial direction of the coil 2, so that the reactor in the embodiment is suitable for forced air cooling or vehicle traveling air cooling, and when the reactor is installed in the traveling direction of a train, only a small air volume is needed for cooling, the noise of a fan is small, the heat dissipation efficiency of the integral reactor can be improved, and the temperature difference of local hot spots of the coil 2 is small; and the axial direction of the coil 2 is parallel to the vehicle advancing direction, so that the heat dissipation and cooling of the reactor can be realized by means of airflow generated by the vehicle during traveling.
Further, regarding the coil 2 of the present embodiment: which comprises at least one layer of winding coils 2. This implementation adopts laminar structure coiling coil 2, does not need positive and negative cake coiling, does not need the welding between two cakes, and simple process, man-hour cost is low. A plurality of annular ventilation ducts 12 which are concentrically arranged are formed in each layer of winding coil through the spacing piece 3 in the winding process, and each annular ventilation duct 12 is distributed along the axial direction of the coil 2.
As another example of an alternative embodiment, any one of the magnetic shield pulling plates 11 includes a pair of clamping plates 111 and a plurality of silicon steel magnetic shield pieces 112 disposed in the pair of clamping plates 111 along the axial direction of the coil 2. The magnetic shielding pulling plate 11 can prevent the reactor from interfering the magnetic field emitted by peripheral equipment.
Next, regarding the reactor of the present embodiment, it should be further explained that the iron core 1 includes a plurality of lamination sheets 101 stacked; and an air gap plate 102 is arranged between every two adjacent discus punching sheets 101.
Finally, in the reactor of the present embodiment, it is also possible to provide an air duct or a protective case 13 outside the reactor. The specific reactor may be used alone, or may be used as a plurality of reactor assemblies in which a plurality of reactors are combined.
The reactor of this embodiment is because of no yoke structure for the space that originally was occupied by the yoke in the traditional reactor that has the yoke all can be used for arranging coil 2, improves the filling rate of coil 2 in the installation space. Thus, the size of the coil 2 is limited by space, and an aluminum wire can be used to reduce the cost. And because the heat dissipation is smooth, the current density can be high, so the energy density under the unit weight is high, the weight is light, the weight of the reactor in the embodiment is reduced by 30 percent compared with that of the reactor of the same type at present, the light weight of the whole reactor can be realized, the passenger carrying capacity of a vehicle using the reactor is improved, and the operation cost is reduced.
Example 2:
on the basis of the reactor of embodiment 1, the present embodiment provides a rail transit traction system, including: the reactor of example 1.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be understood that the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless expressly stated or limited otherwise, a first feature may comprise a first and a second feature in direct contact, or the first and second features may be in contact by means of another feature not in direct contact but in between. Also, the first feature may be over, above or on the second feature including the first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. A reactor, characterized by comprising: the coil winding structure comprises an iron core in a cuboid structure, coils wound on the circumferential sides of the iron core, and a pair of insulating cushion blocks respectively arranged on two width sides of the iron core; wherein
The iron core fixes a pair of insulating cushion blocks through pull plates respectively arranged on the end faces of two length sides of the iron core; and
and two ends of the coil in the axial direction are respectively provided with a non-magnetic beam frame which is suitable for being fixedly connected with the pulling plate.
2. The reactor according to claim 1, characterized in that a plurality of magnetic shield pulling plates are provided at intervals around the outside of the coil between the beam frames at both ends of the coil in the axial direction.
3. The reactor according to claim 2, characterized in that any one of the magnetic shield pulling plates comprises a pair of clamping plates and a plurality of silicon steel magnetic shield pieces positioned in the pair of clamping plates and arranged in an axial direction of the coil.
4. The reactor according to claim 2 or 3, wherein the beam frame includes a base frame for connecting a plurality of magnetic shield pulling plates and formed with an opening inside and a pair of connecting frames formed in the opening for mating with the pulling plates.
5. The reactor according to claim 1, characterized in that a pair of pulling plates respectively located at both length-side end faces of the core each have a rectangular configuration in cross section; and
the length of the pulling plate is greater than that of the iron core so that a pair of width side ends of the pulling plate protrude one-to-one from a pair of width side ends of the iron core.
6. The reactor according to claim 1, characterized in that the iron core includes a plurality of lamination sheets arranged in a stack; and
an air gap plate is arranged between every two adjacent discus punching sheets.
7. The reactor according to claim 1, characterized in that the coil comprises at least one layer of winding coil; and
and a plurality of annular ventilation channels which are concentrically arranged are formed in each layer of winding coil in a winding way.
8. The reactor according to claim 1, characterized in that the pulling plate is made of an insulating material.
9. A rail transit traction system, comprising: the reactor according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300123.XU CN218384736U (en) | 2022-08-31 | 2022-08-31 | Reactor and rail cross traction system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300123.XU CN218384736U (en) | 2022-08-31 | 2022-08-31 | Reactor and rail cross traction system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218384736U true CN218384736U (en) | 2023-01-24 |
Family
ID=84971077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222300123.XU Active CN218384736U (en) | 2022-08-31 | 2022-08-31 | Reactor and rail cross traction system using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218384736U (en) |
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2022
- 2022-08-31 CN CN202222300123.XU patent/CN218384736U/en active Active
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Address after: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Xinyu Alstom Traction System Co.,Ltd. Address before: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: BOMBARDIER NUG PROPULSION SYSTEM Co.,Ltd. |