CN209120044U - A kind of train traction current transformer - Google Patents
A kind of train traction current transformer Download PDFInfo
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- CN209120044U CN209120044U CN201821611070.0U CN201821611070U CN209120044U CN 209120044 U CN209120044 U CN 209120044U CN 201821611070 U CN201821611070 U CN 201821611070U CN 209120044 U CN209120044 U CN 209120044U
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- current transformer
- train traction
- cabinet body
- unsteady flow
- traction current
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Abstract
The utility model provides a kind of train traction current transformer, including cabinet body, unsteady flow module, Support Capacitor, control cabinet, cooling blower, copped wave resistance, discharge resistance component, current sensor and voltage sensor, wherein the unsteady flow module realizes fast assembling-disassembling by the first cover board of the bottom of cabinet bulk；The cooling blower realizes fast assembling-disassembling by the second cover board of the bottom of cabinet bulk；The Support Capacitor realizes fast assembling-disassembling by the third cover board of the cabinet body side.In the above manner, realize unsteady flow module, cooling blower and Support Capacitor not under the maintenance of whole cabinet, significantly reduce the cost of overhaul.In addition, connecting between the unsteady flow module and the Support Capacitor using integral type low-inductance bus, it can effectively inhibit stray inductance.
Description
Technical field
The utility model relates to traction convertor technical field, specially a kind of easy-to-dismount magnetic suspension train traction of element
Current transformer.
Background technique
Traction convertor is the important component of magnetic suspension train alternating-current actuating system, generallys use lifting mode suspension
In train set, DC power conversion at frequency and all adjustable three-phase alternating current of amplitude when basic function is traction working condition,
For linear pulling motor power supply；Energy is fed back to by power grid by regenerative braking when damped condition.
Unsteady flow module is integrated with the Main functional units of traction convertor, is the core devices of traction convertor.Due to magnetic
Aerotrain special track and electric machine structure, the service clearance very little of vehicle bottom equipment, the larger parts such as unsteady flow module without
Method is directly dismantled on vehicle, needs when maintenance just split out unsteady flow module, the cost of overhaul after removing entire traction convertor
It is higher.
In addition to element dismounts inconvenience, the traction convertor in current magnetic suspension train be there is problems: current transformer function
Rate density is lower, is not suitable for high speed magnetic suspension train；It is connected between unsteady flow module and Support Capacitor using common busbar, it is spuious
Inductance is bigger than normal.
Utility model content
The utility model provides a kind of train traction current transformer, compact-sized, power density is big, can be realized unsteady flow
The fast assembling-disassembling of module, cooling blower and Support Capacitor, and stray inductance that can effectively between limiting circuitry.
The utility model train traction current transformer include cabinet body, unsteady flow module, Support Capacitor, control cabinet, cooling blower,
Copped wave resistance, discharge resistance component, current sensor and voltage sensor, wherein the unsteady flow module is removably mountable to institute
It states on train traction current transformer, the cabinet body is equipped with the first opening close to the unsteady flow near modules in bottom, and described first opens
Mouth is equipped with removable first cover board, and after first cover board is disassembled, the unsteady flow module can be opened by described first
Cause for gossip shows fast assembling-disassembling.
Preferably, the cooling blower is removably mountable on the train traction current transformer, and the cabinet body is in bottom
Nearby the second opening is equipped with close to the cooling blower, and second opening is equipped with removable second cover board, when described the
After two cover boards are disassembled, the cooling blower can realize fast assembling-disassembling by second opening.
Preferably, the Support Capacitor is removably mountable on the train traction current transformer, and the cabinet body is in side
Third opening is nearby equipped with close to the Support Capacitor, third opening is equipped with removable third cover board, when described the
After three cover boards are disassembled, the Support Capacitor can be open by the third and realize fast assembling-disassembling.
Preferably, the unsteady flow module includes IGBT element, DC side Wiring port, exchange side terminal mouth, electric appliance group
Part, flange, installation base plate and unsteady flow module heat radiator, wherein the unsteady flow module heat radiator is set on the upside of the flange, it is described
The IGBT element, the DC side Wiring port, the exchange side terminal mouth and the electric appliance component are set on the downside of flange.
Preferably, it is connected between the DC side Wiring port and the Support Capacitor using integral type low-inductance bus.
Preferably, the exchange side terminal mouth is connected to a pair of of external connection by three-phase alternating current busbar and arranges.
Preferably, the integral type low-inductance bus main material is T2-Y4 copper plate.
Preferably, the unsteady flow module and the cooling blower are located in the middle part of the cabinet body；The Support Capacitor, described one
Body formula low-inductance bus and the copped wave resistance are located on the right side of the cabinet body；It is the control cabinet, the discharge resistance component, described
Current sensor, the voltage sensor and the three-phase alternating current busbar are located on the left of the cabinet body；The unsteady flow module heat dissipating
Device and the copped wave resistance share an air duct.
Preferably, the Support Capacitor is fixed on the cabinet body right lateral side by an erection support movable up and down.
Preferably, the utility model train traction current transformer further includes the revolving speed switching contactor of the cooling blower.
Preferably, the cabinet body top has lifting lug, and the lifting lug shares 6.
Preferably, the discharge resistance component includes resistance and resistive dissipation device, wherein the resistance is placed in the cabinet body
It is internal；The resistive dissipation device surface mount sealing strip, is placed in outside the cabinet body.
Utility model has the advantages that
1. unsteady flow module, cooling blower and Support Capacitor can quickly be torn open from the bottom surface of traction convertor cabinet body or side
Dress, thus the cost of overhaul is significantly reduced without dismantling entire traction convertor when maintenance.
2. being connected between unsteady flow module and Support Capacitor using integral type low-inductance bus, stray inductance is effectively suppressed, energy
The reliability for enough promoting IGBT device, reduces quality risk.
3. carrying out compact, rational deployment under the premise of equal volume and weight to component each in traction convertor, making to lead
The power for drawing current transformer can reach 1700KW, and power density is substantially improved, and can be well adapted for high speed levitation train
Body construction and power demand.
4. unsteady flow module heat radiator and copped wave resistance share an air duct, it is able to ascend traction convertor cooling system effect
Fan energy consumption is effectively reduced in rate.
5. cooling blower realizes dual-speed control by revolving speed switching contactor, obtain fan noise and heat-sinking capability very well
Balance.
Detailed description of the invention
The above content and following specific embodiment of the utility model can obtain more preferably when reading in conjunction with the drawings
Understanding.It should be noted that attached drawing is only used as the example of claimed utility model.In the accompanying drawings, identical attached drawing
Label represents same or similar element.
Fig. 1 is the utility model train traction current transformer overall structure diagram from left front；
Fig. 2 is the utility model train traction current transformer overall structure diagram from right back；
Fig. 3 be the utility model train traction current transformer unsteady flow module and cooling blower removed from bottom after signal
Figure；
Fig. 4 is the schematic diagram after the Support Capacitor of the utility model train traction current transformer is removed from side.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, the utility model train traction current transformer, including the unsteady flow arranged inside cabinet body 1 and cabinet body 1
2,2 Support Capacitors 3 of module, integral type low-inductance bus 4, control cabinet 5, cooling blower 6, copped wave resistance 7, discharge resistance component
8,3 voltage sensors 11 of current sensor 10,2 of rotation speed of fan switching contactor 9,4 and three-phase alternating current busbar 12.Its
Middle unsteady flow module 2 and cooling blower 6 are located in the middle part of cabinet body；Support Capacitor 3, integral type low-inductance bus 4 and copped wave resistance 7 are located at cabinet
1 right side of body；Control cabinet 5, discharge resistance component 8, rotation speed of fan switching contactor 9, current sensor 10, voltage sensor 11
It is located on the left of cabinet body with three-phase alternating current busbar 12.
As shown in figure 3, cabinet body 1 is equipped with the first opening in bottom near unsteady flow module 2, first opening is equipped with
Removable first cover board 13, after first cover board 13 is disassembled, unsteady flow module 2 can be realized fast by first opening
Speed dismounting；Cabinet body 1 is equipped with the second opening in bottom near cooling blower 6, and second opening is equipped with removable the
Two cover boards 14, after second cover board 14 is disassembled, cooling blower 6 can realize fast assembling-disassembling by second opening.
It is open as shown in figure 4, cabinet body 1 is equipped with third in side near Support Capacitor 3, the third opening is equipped with
Removable third cover board 15, after the third cover board 15 is disassembled, Support Capacitor 3 can be open by the third and be realized fastly
Speed dismounting.In the above manner, realize unsteady flow module, cooling blower and Support Capacitor not under the maintenance of whole cabinet, substantially drop
The low cost of overhaul.
Unsteady flow module
As shown in Fig. 2, forming air inlet area by partition and module mounting plate 101 inside cabinet body 1, unsteady flow module 2 passes through method
Orchid is fixed on module mounting plate 101, and is effectively isolated installation base plate inner and outer by the sealing strip on flange.
Unsteady flow module 2 is integrated with traction IGBT element, copped wave IGBT element, DC side Wiring port, exchange side terminal
Mouth, electric appliance component, flange, installation base plate and unsteady flow module heat radiator.It is unsteady flow module heat radiator on the upside of the flange, is placed in cabinet
Body enters the wind area, shares an air duct with the copped wave resistance of current transformer.Mean wind speed by unsteady flow module heat radiator section is higher,
The efficiency of unsteady flow module heat radiator greatly improved.It is IGBT element on the downside of 2 flange of unsteady flow module, DC side Wiring port, hands over
Flow side terminal mouth and electric appliance component.Wherein DC side Wiring port passes through integral type low-inductance bus 4 and 2 supports electricity side by side
Hold 3 connections, the integral type low-inductance bus 4 preferably uses T2-Y4 copper plate for main material, can be effectively reduced stray inductance, section
About arrangement space, promotion IGBT device reliability；Exchange side terminal mouth is forwarded to by three-phase alternating current busbar 12 to external connection
On row；Electric appliance component carries out signal transmitting by shielded cable and control cabinet 5.
Support Capacitor
As shown in Fig. 2, Support Capacitor 3 is fixed on cabinet body right lateral side by erection support 301,302 movable up and down.
Cooling blower
As shown in Figure 1, cooling blower 6 is installed on cabinet body top beam 102, air inlet by rubber ring 601 will enter the wind area with
Wind outlet area isolation.As shown by the arrows in Figure 1, cooling wind is most of outside bottom of cabinet bulk outflow cabinet, the cooling copped wave resistance 7 of fraction
Afterwards again on the right side of cabinet body outside outflow cabinet, so that the efficiency of cooling system for converter greatly improved.
As shown in Fig. 2, the utility model traction convertor further includes the revolving speed switching contactor 9 of cooling blower, with control
The revolving speed of cooling blower 6.When control cabinet 5 detects that 2 substrate temperature of unsteady flow module is more than protection threshold, rotation speed of fan is controlled
Switching contactor 9 acts, by PAU+FCU system to high speed grade, to improve cooling capacity.With the above arrangement, cooling blower energy
It enough realizes dual-speed control, is balanced fan noise with heat-sinking capability.
Control cabinet
As shown in Figure 1 and Figure 2, control cabinet 5 is placed in 1 external control signal connector side of cabinet body, and forms one by partition
The cavity of a relative closure, to shield the electromagnetic interference of external high pressure high current.Cabinet 5 is controlled to realize and become by shielded cable
The signal of flow module 2 transmits, and the signal of current sensor 10 and voltage sensor 11 is acquired by shielded cable, passes through network electricity
Communication and the test adjustment of cable realization current transformer and vehicle.
Discharge resistance
As shown in Figure 1 and Figure 2, discharge resistance component 8 is installed on 1 left back board of cabinet body, including resistance and resistive dissipation device,
Wherein the resistance is placed in interior of the cabinet；Resistive dissipation device is placed in outside cabinet body, surface mount sealing strip, to ensure the close of cabinet body
Feng Xing.
Cabinet body
As shown in Fig. 2, 1 top two sides of cabinet body share 6 lifting lugs 103 in the utility model train traction current transformer, pass through
Entire traction convertor is installed on train bottom by lifting lug 103, and impact vibration grade meets IEC 61373-2010, A grades of 1 class is wanted
It asks.Exhaust passage area and non-air duct area are separated by partition inside cabinet body 1, non-air duct area degree of protection, which reaches railway locomotive IP55, to be wanted
It asks；Air duct area is isolated from the outside by strainer and aperture cover board, and degree of protection reaches railway locomotive IP20 requirement.
Here based on term and form of presentation be only intended to describe, the utility model should not be limited to these terms and
Statement.It is not meant to exclude the equivalent features of any signal and description (or in which part) using these terms and statement, answer
Recognize that various modifications that may be present should also be included in scope of the claims.Other modifications, variations and alternatives may also deposit
?.Correspondingly, claim should be regarded as covering all these equivalents.
Equally, it should be pointed out that although the utility model is described with reference to current specific embodiment, this skill
Those of ordinary skill in art field it should be appreciated that more than embodiment be intended merely to illustrate the utility model, do not taking off
Various equivalent change or replacement can be also made in the case where from the spirit of the present invention, therefore, as long as in the utility model
The variation, modification of above-described embodiment will all be fallen in the range of following claims in spirit.
Claims (12)
1. a kind of train traction current transformer, including cabinet body, unsteady flow module, Support Capacitor, control cabinet, cooling blower, copped wave electricity
Resistance, discharge resistance component, current sensor and voltage sensor, which is characterized in that the unsteady flow module is removably mountable to
On the train traction current transformer, the cabinet body is equipped with first close to the unsteady flow near modules in bottom and is open, and described first
Opening is equipped with removable first cover board, and after first cover board is disassembled, the unsteady flow module can pass through described first
Opening realizes fast assembling-disassembling.
2. a kind of train traction current transformer according to claim 1, which is characterized in that the cooling blower is removably pacified
Loaded on the train traction current transformer, the cabinet body is equipped with the second opening in bottom near the cooling blower, described
Second opening is equipped with removable second cover board, and after second cover board is disassembled, the cooling blower can be by described
Second opening realizes fast assembling-disassembling.
3. a kind of train traction current transformer according to claim 1, which is characterized in that the Support Capacitor is removably pacified
Loaded on the train traction current transformer, the cabinet body is equipped with third opening in side near the Support Capacitor, described
Third opening is equipped with removable third cover board, and after the third cover board is disassembled, the Support Capacitor can be by described
Third opening realizes fast assembling-disassembling.
4. a kind of train traction current transformer according to claim 1, which is characterized in that the unsteady flow module includes IGBT member
Part, DC side Wiring port, exchange side terminal mouth, electric appliance component, flange, installation base plate and unsteady flow module heat radiator, wherein
The unsteady flow module heat radiator is set on the upside of the flange, the IGBT element is set on the downside of the flange, the direct current flanks
Line end mouth, the exchange side terminal mouth and the electric appliance component.
5. a kind of train traction current transformer according to claim 4, which is characterized in that the DC side Wiring port and institute
It states and is connected between Support Capacitor using integral type low-inductance bus.
6. a kind of train traction current transformer according to claim 4, which is characterized in that the exchange side terminal mouth passes through
Three-phase alternating current busbar is connected to a pair of of external connection row.
7. a kind of train traction current transformer according to claim 5, which is characterized in that the integral type low-inductance bus main material
For T2-Y4 copper plate.
8. a kind of train traction current transformer according to claim 1, which is characterized in that the unsteady flow module and the cooling
Blower is located in the middle part of the cabinet body；The Support Capacitor and the copped wave resistance are located on the right side of the cabinet body；The control cabinet,
The discharge resistance component, the current sensor and the voltage sensor are located on the left of the cabinet body.
9. a kind of train traction current transformer according to claim 8, which is characterized in that the Support Capacitor by one can on
Under movable erection support be fixed on the cabinet body right lateral side.
10. a kind of train traction current transformer according to claim 1, it is characterised in that further include turning for the cooling blower
Fast switching contactor.
11. a kind of train traction current transformer according to claim 1, which is characterized in that the cabinet body top has lifting lug,
The lifting lug shares 6.
12. a kind of train traction current transformer according to claim 1, which is characterized in that the discharge resistance component includes
Resistance and resistive dissipation device, wherein the resistance is placed in the interior of the cabinet；The resistive dissipation device surface mount sealing strip, sets
Outside the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611070.0U CN209120044U (en) | 2018-09-29 | 2018-09-29 | A kind of train traction current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611070.0U CN209120044U (en) | 2018-09-29 | 2018-09-29 | A kind of train traction current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120044U true CN209120044U (en) | 2019-07-16 |
Family
ID=67200045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821611070.0U Active CN209120044U (en) | 2018-09-29 | 2018-09-29 | A kind of train traction current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209120044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769722A (en) * | 2020-02-28 | 2020-10-13 | 中车青岛四方车辆研究所有限公司 | Traction converter and traction converter control method |
-
2018
- 2018-09-29 CN CN201821611070.0U patent/CN209120044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769722A (en) * | 2020-02-28 | 2020-10-13 | 中车青岛四方车辆研究所有限公司 | Traction converter and traction converter control method |
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