CN205029544U - A converter for track transportation vehicles - Google Patents
A converter for track transportation vehicles Download PDFInfo
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- CN205029544U CN205029544U CN201520504998.9U CN201520504998U CN205029544U CN 205029544 U CN205029544 U CN 205029544U CN 201520504998 U CN201520504998 U CN 201520504998U CN 205029544 U CN205029544 U CN 205029544U
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Abstract
The utility model provides a converter for track transportation vehicles, including converter module and reactor, its characterized in that, the converter includes main spandrel girder (4, 5) of two parallels of each other and connects through the riveting first box (1) and second box (2) between two main spandrel girder (4, 5), the converter module is arranged in the first box, the reactor is arranged in the second box. Through above -mentioned structure, greatly optimized the inner structure of converter box, simplified the manufacturing process of box to the inside space utilization of box has been improved. In addition, this kind of structure also is favorable to the cooling of converter.
Description
Technical field
The utility model relates to a kind of current transformer, and especially, the utility model relates to a kind of current transformer being applicable to rail traffic vehicles.
Background technology
In recent years, the track traffic of China especially urban track traffic obtain and develop rapidly.Current transformer is as the vitals of rail traffic vehicles, its function is mainly the electric energy conversion realized between AC system and DC system, the energy provided by electrical network is supplied to rail traffic vehicles after a series of conversion, on the one hand for the traction electric machine that vehicle is installed provides energy, thus drive vehicle operating; On the other hand, for other various auxiliary equipment on locomotive provide required three-phase alternating voltage.Current transformer mainly comprises converter box, inner other electric elements such as power model, transformer, reactor, control module installed, and the busbar connected for various electronic component and cable etc.According to different technical requirements, current transformer can be arranged on the different parts of car body, as car body top, on the underframe of vehicle body or car body.
Traditional converter cabinet is all frame structure usually, built-in various power model and miscellaneous part.This, with regard to require casing to need weight that enough intensity removes to carry the inner various module of current transformer and miscellaneous part, also requires that box house has abundant mounting interface simultaneously.Existing converter structure design normally passes through the various brace summer of welding at box house, and mounting bracket realizes above-mentioned requirements.At least there is following defect in the frame mode of this casing: 1. box inner structure is complicated, is difficult to control, causes current transformer assembly difficulty to increase owing to welding the malformation caused.2. due to box house brace summer and installing rack more, cause whole converter box inside that space can be utilized to reduce, overall dimension increases, and whole current transformer weight increases, and is difficult to meet body construction gauge and requires and weight demands.3. housing interior volume is narrow and small, and assembly difficulty is larger.4. complex manufacturing, current transformer manufacturing cost increases.
In addition, current transformer is at run duration, and electric component can produce a large amount of heat, causes current transformer Inside Air Temperature to raise.This will cause a lot of electrical structure part unstable properties or malfunctioning, thus endanger the performance of whole current transformer.Therefore a kind of cooling means efficiently and is reliably an importance of current transformer design.The type of cooling of current current transformer mainly contains water-cooled and air-cooled two kinds of modes.But these two kinds of types of cooling all exist some problems, as water-cooling pattern complex structure, structure and maintenance cost costliness; Air cooling way is higher for the requirement of Duct design, is difficult to the cooling effectiveness realizing improving whole current transformer under the prerequisite optimizing body structure.
Utility model content
The purpose of this utility model is to provide a kind of converter box and current transformer, to optimize existing converter structure, reduces manufacturing process difficulty, and optimizes Cooling Design on this basis.
For achieving the above object, the utility model provides a kind of current transformer for rail traffic vehicles, comprise converter module and reactor, it is characterized in that, described current transformer comprises two main spandrel girders parallel to each other and by first casing of riveting between described two main spandrel girders and the second casing, converter module is arranged in described first casing, and reactor is arranged in described second casing.
In one embodiment, current transformer also comprises the first supporting bracket, and the side being positioned at current transformer inside and first supporting bracket of the first casing are riveted together.
In one embodiment, current transformer also comprises by three casing of riveting between described two main spandrel girders, and described second casing is between described first casing and the 3rd casing.
In one embodiment, current transformer also comprises the second supporting bracket, and the side being positioned at current transformer inside and second supporting bracket of the 3rd casing are riveted together.
In one embodiment, on the rear end face of described current transformer is inclined-plane at least partially, and the electric interfaces of described current transformer is arranged on this inclined-plane.
In one embodiment, the installation site of the inductive element in the second casing is provided with mount pad, and mount pad is riveted in the madial wall of described first casing and the 3rd casing and described first supporting bracket and the second supporting bracket respectively by rivet.
In one embodiment, the two ends of main spandrel girder are provided with the mount pad be connected with car body, and mount pad is secured by bolts on main spandrel girder.
In one embodiment, the arranged outside of the first casing and the 3rd casing has the cover plate with quickly unlocking device.
In one embodiment, the edge of cover plate is provided with sealing device, is provided with Inner eycle air channel inside cover plate, is equipped with blower fan in the first casing and the 3rd casing respectively to form airflow circulating at the first casing and the 3rd box house.
In one embodiment, cover plate is also provided with the interface safeguarding ground unit.
In one embodiment, the front-end and back-end of described current transformer have difference in height, to form cavity near side, front end bottom current transformer, the rear and front end of described cavity is respectively arranged with hollow support beam, and the side of described current transformer is provided with air inlet, in cavity bottom current transformer, cooling air channel is set, main cooling blower is arranged on the downside of the second casing, to be sucked in the second casing by the air-flow entering cooling air channel from air inlet, and set out air port so that air-flow flows out in the rear end of the second casing.
In one embodiment, described air outlet comprises towards the part of current transformer rear end with towards the part bottom current transformer.
By said structure, greatly optimize the internal structure of converter box, simplify the manufacturing process of casing, and improve the space availability ratio of box house.In addition, this structure is also conducive to the cooling of current transformer.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the converter box of a kind of execution mode of the utility model;
Fig. 2 is the schematic perspective view of the converter box of a kind of execution mode of the utility model;
Fig. 3 is the sectional schematic diagram of the converter box lateral hatch of a kind of execution mode of the utility model;
Fig. 4 is the front view of the current transformer of a kind of execution mode of the utility model, wherein identifies the flow direction of cooling blast; With
Fig. 5 is the vertical view of the current transformer of a kind of execution mode of the utility model, wherein identifies the flow direction of cooling blast.
Embodiment
Below with reference to accompanying drawing, give the specific descriptions of Alternate embodiments of the present utility model.
Fig. 1 is the exploded perspective view of the converter box of a kind of execution mode of the present utility model, and Fig. 2 is schematic perspective view.Current transformer generally comprises converter box and is arranged in the device of converter box inside.As illustrated in fig. 1 and 2, comprise the first casing 1, second casing 2 and the 3rd casing 3 in the converter box according to a kind of execution mode of the utility model, they are all welded by thin plate (such as 3mm aluminium sheet) respectively.Each casing can realize assembly separately, not only reduces manufacturing process, and can enhance productivity.
The two ends of the first casing 1, second casing 2 and the 3rd casing 3 respectively with first main spandrel girder 4 and the second main spandrel girder 5 rivet (such as passing through ring-grooved rivet).In addition, the side being positioned at current transformer inside of the first casing 1 and the 3rd casing 3 is riveted with supporting bracket 6 and supporting bracket 7 respectively, thus constitutes the agent structure of whole converter box.First casing 1 can also arrange stiffener with the position that the 3rd casing 3 is being connected with main spandrel girder, to ensure that the first casing 1 and the 3rd casing 3 are connected with the reliable of main spandrel girder.Do not need to arrange dividing plate separately between first casing 1, second casing 2 and the 3rd casing 3, thus greatly optimize the internal structure of converter box, simplify the manufacturing process of casing, and improve the space availability ratio of box house.
As shown in Figure 2, a part on the rear end face (left end in Fig. 2) of converter box (being also the first casing 1, second casing 2 and the 3rd casing 3) is designed to inclined-plane, the electric interfaces of described current transformer and car body all can be arranged on this inclined-plane, this design drastically increases the efficiency of car body wiring, and saves space.The area on inclined-plane and the angle of inclination can change according to concrete requirement.In general, this inclined-plane can be arranged according to vehicle cabling requirement.
Current transformer as above, is connected on car body by the first main spandrel girder 4 and the second main spandrel girder 5.In general, the first main spandrel girder 4 and the second main spandrel girder 5 are along the transverse arrangement of turbo of car body.The mount pad 8 be connected with car body is provided with at the two ends of main spandrel girder, mount pad is secured by bolts on main spandrel girder, this design can under the prerequisite not changing casing agent structure, only just can be met the requirement of different car body installation by change mount pad and interface size, there is very high Installation Flexibility.
Each module of current transformer inside will be directly installed on each box house by bolt, and wherein converter module and charger module are separately positioned in the first casing 1 and the 3rd casing 3; It is inner that the inductive element such as transformer, reactor is arranged on the second casing 2.The installation site of inductive element is provided with mount pad 9, and mount pad is connected respectively in described first casing, the sidewall of the 3rd casing and the supporting bracket of correspondence by high strength rivet.Second casing 2 inside is also provided with main cooling blower 19.This layout not only can ensure the balance of current transformer entirety, and farthest can ensure that the position of centre of gravity of whole current transformer and whole vehicle center line are consistent.
The above-mentioned this current transformer comprising three casings is generally referred to as AuCT.According to the application of concrete definition, the traction convertor comprising two casings also can be arranged to.In this case, the module be arranged in the first casing and the second casing and parts are adjusted, and adjust according to the position of weight to casing of module and parts, placed in the middle with the balance and center of gravity that ensure current transformer entirety.
Current transformer as above is in both sides, and namely the arranged outside of described first casing 1 and the 3rd casing 3 has the cover plate 12 with quickly unlocking device, by opening the maintenance that two side cover plates can realize each module of box house and electricity piece easily from front.With fixed handle on cover plate 12, convenient install and remove, described cover plate 12 is designed with sealing strip with casing contact position, can anti-sealing, and dirt etc. enter.Be provided with top board 13 above described second casing 2, after opening, examination and maintenance can be carried out to the device being arranged on the second casing 2 inside.
As shown in Figure 3, the edge of described cover plate 12 is provided with the sealing device of band EMC function, not only can play waterproof, dust-proof effect, can also improve the anti-electromagnetic interference capability of current transformer.Inner eycle air channel 17 is provided with inside cover plate 12, this air channel is riveted by thin plate 18 and is on the cover board formed, be equipped with the blower fan (not shown) in the first casing 1 and the 3rd casing 3, a continual airflow circulating can be formed at the first casing 1 and the 3rd casing 3 inside, to ensure that the electronic device of the first casing 1 and the 3rd casing 3 inside does not exist the situation of local overheating, this design has very important significance for the heat radiation of power device and control element.
Cover plate 12 as above is also provided with the interface 14 safeguarding ground unit, attendant can open whole cover plate, and the work safeguarding ground connection is directly completed by easy interface, the mode of attendant oneself band cable ground connection at the scene before comparing, this design greatly improves maintenance efficiency and fail safe.
As shown in Figure 1, described first casing 1, second casing 2 and the 3rd casing 3 have similar structure, its front end (right-hand member in Fig. 2) and rear end (left end in Fig. 2) have difference in height, its objective is and form a cavity 21 at described three bottom halves near side, front end, the brace summer 10 and 11 of hollow-core construction is respectively arranged with at the two ends of cavity, can play on the one hand and support whole casing, improve the effect of bulk strength, the main body air channel of whole current transformer can be combined into cavity 21 on the other hand.
The current transformer type of cooling as above is forced air cooling, and air inlet 15 is arranged on the cover plate 12 of the first casing 1 and the 3rd casing 3 both sides, and air outlet 16 is arranged on the rear end bottom position of the second casing 2.As shown in Figure 4, its cooling air channel is arranged in the cavity 21 of bottom half.Whole current transformer is provided with two place's air inlets 15, and lay respectively at the current transformer left and right sides, air-flow enters cooling air channel after filtering.In order to prevent various particles etc. from entering cooling air channel, filter can be set at air inlet 15 place.
Be directed to the traction convertor of two casings, its air inlet and air outlet can do corresponding change, such as, air inlet is only arranged on side, and air outlet remains unchanged.
The fin of current transformer Inner heat sink can be directly exposed in cooling air channel, directly can take away the heat of radiating fin after air-flow enters cooling air channel from both sides, and this design can the heat radiation of preferential guaranteed output module.Then, the air-flow main cooling blower 19 be arranged on the downside of the second casing 2 sucks in the second casing 2.Enter after in the second casing 2, air-flow cools inductive elements such as the transformers in the second casing 2, flows out finally by by air outlet 16.In addition, at the second box house, can also wind deflector be set, to improve cooling effectiveness.
Although illustrate and describe the utility model with reference to some preferred embodiment of the present utility model, but it will be appreciated by those skilled in the art that, when not deviating from spirit and scope of the present utility model as defined in appended claims, can make a variety of changes it in the form and details.
Claims (12)
1. the current transformer for rail traffic vehicles, comprise converter module and reactor, it is characterized in that, described current transformer comprises two main spandrel girders parallel to each other (4,5) and by first casing (1) of riveting between described two main spandrel girders (4,5) and the second casing (2), converter module is arranged in described first casing, and reactor is arranged in described second casing.
2. current transformer according to claim 1, is characterized in that, also comprises the first supporting bracket (6), and the side being positioned at current transformer inside and first supporting bracket (6) of the first casing (1) are riveted together.
3. current transformer according to claim 1 and 2, it is characterized in that, also comprise by three casing (3) of riveting between described two main spandrel girders (4,5), described second casing (2) is positioned between described first casing (1) and the 3rd casing (3).
4. current transformer according to claim 3, is characterized in that, also comprises the second supporting bracket (7), and the side being positioned at current transformer inside and second supporting bracket (7) of the 3rd casing (3) are riveted together.
5. the current transformer according to claim 2 or 4, is characterized in that, on the rear end face of described current transformer is inclined-plane at least partially, and the electric interfaces of described current transformer is arranged on this inclined-plane.
6. current transformer according to claim 2, it is characterized in that, also comprise by three casing (3) of riveting between described two main spandrel girders (4,5), described second casing (2) is positioned between described first casing (1) and the 3rd casing (3);
Also comprise the second supporting bracket (7), the side being positioned at current transformer inside and second supporting bracket (7) of the 3rd casing (3) are riveted together;
The installation site of the inductive element in the second casing (2) is provided with mount pad (9), and mount pad (9) is riveted in the madial wall of described first casing (1) and the 3rd casing (3) and described first supporting bracket (6) and the second supporting bracket (7) respectively by rivet.
7. current transformer according to claim 6, is characterized in that, the two ends of main spandrel girder are provided with the mount pad (8) be connected with car body, and mount pad (8) is secured by bolts on main spandrel girder.
8. current transformer according to claim 4, is characterized in that, the arranged outside of the first casing (1) and the 3rd casing (3) has the cover plate (12) with quickly unlocking device.
9. current transformer according to claim 8, it is characterized in that, the edge of cover plate (12) is provided with sealing device, cover plate (12) inner side is provided with Inner eycle air channel (17), is equipped with blower fan in the first casing (1) and the 3rd casing (3) respectively with at the first casing (1) and the 3rd casing (3) inner formation airflow circulating.
10. current transformer according to claim 8, is characterized in that, cover plate (12) is also provided with the interface (14) safeguarding ground unit.
11. current transformers according to claim 2 or 4, it is characterized in that, the front-end and back-end of described current transformer have difference in height, to form cavity (21) near side, front end bottom current transformer, the rear and front end of described cavity is respectively arranged with hollow support beam (10,11), and
Air inlet (15) is provided with in the side of described current transformer, in cavity (21) bottom current transformer, cooling air channel is set, main cooling blower (19) is arranged at the second casing (10) downside, to be sucked the second casing (10) by the air-flow entering cooling air channel from air inlet (15), and set out air port (16) so that air-flow flows out in the rear end of the second casing (10).
12. current transformers according to claim 11, is characterized in that, described air outlet (22) comprises towards the part of current transformer rear end with towards the part bottom current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504998.9U CN205029544U (en) | 2015-07-13 | 2015-07-13 | A converter for track transportation vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504998.9U CN205029544U (en) | 2015-07-13 | 2015-07-13 | A converter for track transportation vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205029544U true CN205029544U (en) | 2016-02-10 |
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ID=55262046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504998.9U Active CN205029544U (en) | 2015-07-13 | 2015-07-13 | A converter for track transportation vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205029544U (en) |
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2015
- 2015-07-13 CN CN201520504998.9U patent/CN205029544U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180530 Address after: Baden, Switzerland Patentee after: ABB TECHNOLOGY LTD. Address before: Zurich Patentee before: ABB T & D Technology Ltd. |
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| TR01 | Transfer of patent right |