CN207234652U - A kind of integrated form traction convertor - Google Patents
A kind of integrated form traction convertor Download PDFInfo
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- CN207234652U CN207234652U CN201721254911.2U CN201721254911U CN207234652U CN 207234652 U CN207234652 U CN 207234652U CN 201721254911 U CN201721254911 U CN 201721254911U CN 207234652 U CN207234652 U CN 207234652U
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- traction convertor
- integrated form
- cabinet
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- heat exchanger
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Abstract
The utility model discloses a kind of integrated form traction convertor, including cabinet, the cabinet is separated into two independent the first cavitys and the second cavity, circulation air path is provided with the middle part of first cavity, the both sides of the circulation air path are provided with power module, main water inlet tube and primary flow pipe are provided with the heat dissipation wind channel, more branch pipes are both provided with the main water inlet tube and primary flow pipe, for being connected with the cooled plate of the power module；Heat dissipation wind channel is provided with second cavity, heat exchanger, auxiliary transformer, fan assembly and reactor are disposed with along the arranged direction of the heat dissipation wind channel, the heat exchanger is connected with the main water inlet tube and primary flow pipe, for the heat that cooled plate absorbs to be exchanged heat through heat exchanger and the air in heat dissipation wind channel.The integrated form traction convertor of the utility model has the advantages that simple in structure, rationally distributed, good heat dissipation effect.
Description
Technical field
The utility model relates generally to converter topology field, refers in particular to a kind of integrated form traction convertor.
Background technology
In recent years, with the development of China express railway, requirement of the railway transportation to high-speed EMU vehicle is also increasingly
It is high.Core component of the converter plant as train traction system, its performance requirement are even more the most important thing.Traction convertor is as friendship
The core component in transmission system is flowed, just progressively towards high integration, high power density, high reliability, miniaturization, lightweight etc.
Direction is fast-developing.Current transformer uses high-frequency power electronic devices more, and the caused loss that works all is given out with form of heat
Come, the stable operation of the cooling effect and traction convertor of device, safe to use and service life are closely related.Current transformer current class
Greatly, complicated component, power electronic devices turn on and off the very high overvoltage and overcurrent of moment easy generation, pass through main circuit
There are spuious distribution capacity and distributed inductance, the instantaneous value of generation behind the paths such as middle cable can produce serious electromagnetism to equipment and do
Disturb.For locomotive, motor train traction is installed on vehicle bottom, and working environment is more severe, and inside is mostly electric, electricity
Subassembly is, it is necessary to which a good working environment, current transformer need have certain structural strength, good heat dissipation and anti-electromagnetism
Interference function, to ensure the reliability service of internal components.Current transformer is also needed to possess certain vibrationproof, prevented in vehicle high-speed operation
Water, dust reduction capability, motor-car bottom space is narrow and small, and traction convertor also needs to meet easy-to-connect, easy to maintain, be easily changed part
Deng requirement.Patent CN201110375463.2 provides a kind of traction convertor babinet and traction convertor, its traction convertor case
Body is made of the cavity that box plate and box plate surround, and power module, cooling fan and input reactance device etc. are put in cavity
Device, by the position and the relative altitude that design air inlet and air outlet so that cooling wind energy passes through whole traction convertor chamber
Body space, is discharged via air outlet, takes away the heat that all parts produce in cavity.But its emphasis is mainly partial to traction and is become
Flow the design of device air cooling system.Patent CN201510735285.8 discloses a kind of integrated form converter plant, while integrated installation
Traction convertor and AuCT, while being integrated with water cooling and air-cooled two kinds of different refrigerating modules respectively to current transformer
Radiate, using mutually independent two sets of water-cooling circulating systems and detachable air passage, adjustable air volume baffle assembly, regulating air outlet
The components such as bottom plate radiate current transformer parallel, but main circuit of converter, structure design and layout aspect are lacked and illustrated, right
The interior circulation cooling of cabinet internal power device and it is maintainable without reference to.
Utility model content
The technical problems to be solved in the utility model is that：It is new for technical problem existing in the prior art, this practicality
Type provides a kind of integrated form traction convertor simple in structure, rationally distributed, good heat dissipation effect.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of integrated form traction convertor, including cabinet, the cabinet are separated into two independent the first cavitys and second
Cavity, is provided with circulation air path in the middle part of first cavity, the both sides of the circulation air path are provided with power module, described to follow
Main water inlet tube and primary flow pipe are provided with ring air passage, more branch pipes are both provided with the main water inlet tube and primary flow pipe, are used
It is connected in the cooled plate with the power module；Heat dissipation wind channel is provided with second cavity, along the heat dissipation wind channel
Arranged direction is disposed with heat exchanger, auxiliary transformer, fan assembly and reactor, the heat exchanger and the master into
Water pipe is connected with primary flow pipe, for the heat that cooled plate absorbs to be changed through heat exchanger and the air in heat dissipation wind channel
Heat.
Further as above-mentioned technical proposal is improved：
One end of the circulation air path is provided with circulating fan, for the other end by wind to circulation air path, then through two
Space between side power module and cabinet is back to the water cooling heat exchanger on rear side of circulating fan, exchanges heat by water cooling heat exchanger cold
But circulating fan is again sucked into afterwards.
The control unit and contact unit of the traction convertor are also located at the both sides of circulation air path respectively.
Further include be connected with traction convertor intermediate loop without fiery loopback cell, it is described to be installed on the without fiery loopback cell
Two cavitys are in the side of reactor.
The Support Capacitor and secondary capacitance of the power module and traction convertor laminate installation, are consolidated by left and right installation board
It is scheduled on cabinet.
The power module uses drawer-type structure, is slipped into by guide rail in cabinet, and rear end is fixed by nut, front end
Fixed by fixed seat.
Temperature sensing cable fire alarm detection device is provided with the cabinet.
High resistant network ground detection device is provided with the three-phase auxiliary output busbar of the traction convertor.With existing skill
Art is compared, the utility model has the advantage of：
The integrated form traction convertor of the utility model, total arrangement follow symmetrization, modular design philosophy and
The principles such as ease of assembly, maintenance and maintenance, as far as possible by each components module of traction convertor, integrated；Structure letter
It is single and rationally distributed, while also improve radiating efficiency.
Brief description of the drawings
Fig. 1 is the frame assumption diagram of the utility model.
Fig. 2 is the structure diagram of the utility model.
Fig. 3 is the structure diagram of power module in the utility model.
Fig. 4 is cooling system schematic diagram in the utility model.
Figure label represents：1st, cabinet；101st, the first cavity；102nd, the second cavity；2nd, power module；3rd, control unit；
4th, auxiliary change module；5th, water pump；6th, reactor；7th, without fiery loopback cell；8th, contact unit；9th, auxiliary transformer；10th, wind is cooled down
Machine；11st, circulating fan.
Embodiment
The utility model is further described below in conjunction with Figure of description and specific embodiment.
As shown in Figure 1, the integrated form traction convertor of the present embodiment, mainly comprising double four-quadrant pulse rectifier and inverse
Become the ancillary equipment power supply unit that the traction power supply unit of device composition and a subordinate inverter, auxiliary transformer 9 form.Two
Inverter and a subordinate inverter common DC circuit, subordinate inverter are directly connected by low-inductance bus with intermediate loop,
The connection of intermediate loop is all using low-inductance bus.
As depicted in figs. 1 and 2, the integrated form traction convertor of the present embodiment, including cabinet 1, cabinet 1 are separated into two solely
The first cavity 101 and the second cavity 102 of vertical sealing, the middle part of the first cavity 101 are provided with circulation air path, and the two of circulation air path
Side is provided with power module 2, and main water inlet tube and primary flow pipe are provided with circulation air path, is all provided with main water inlet tube and primary flow pipe
It is equipped with more branch pipes, for being connected with the cooled plate of power module 2；Heat dissipation wind channel is provided with second cavity 102, along heat dissipation
The arranged direction in air passage is disposed with heat exchanger, auxiliary transformer 9, fan assembly and reactor 6, heat exchanger with it is main into
Water pipe is connected with primary flow pipe, for the heat that cooled plate absorbs to be changed through heat exchanger and the air in heat dissipation wind channel
Heat.
The total arrangement of the traction convertor of the utility model follows symmetrization, modular design philosophy and facilitates group
Dress, maintenance and the principle such as safeguard, as far as possible by each components module of traction convertor, integrated, each component specifically wraps
Containing four converter modules（2 rectification modules and 2 inverter modules）, support capacitor, resonant capacitance, motion control unit 3
（TCU）, contactor, discharge and recharge resistance, copped wave resistance, voltage-current sensor, cooling fan, auxiliary transformer 9, resonance reactance
The components such as device 6, fire alarm installation；Its basic structure can be divided into the higher electrical equipment of left side seal by A-A along Fig. 2
Installation space（That is the first cavity 101）With the cooling channel space on right side（That is the second cavity 102）.Electrical equipment installation space bag
Containing two rectification modules, two main inverter modules, auxiliary inversion module, resonant capacitance, motion control unit 3（TCU）, contactor
Unit 8, discharge and recharge resistance, water pump 5 etc., its overall structure is arranged symmetrically substantially, two rectification modules and two inverter modules
Divide the left and right sides of row electrical equipment installation region, motion control unit 3 and contact unit 8, auxiliary change module 4 and water pump 5, three
Phase contact is symmetrically arranged, and intermediate region is disposed with circulating fan 11, low-inductance bus, cooling water pipe and input and output wiring
Terminal etc..Symmetrical expression is arranged such that compact overall structure, and electrical equipment integrated level is high；Both sides distribution of weight is balanced, and space is clear
It is clear reasonable.Connected between all power modules 2 and capacitor using low-inductance bus, reduce the stray inductance of main circuit, collect skin
Effect degree substantially reduces, and helps to improve electric property, the stability of enhancing converter system work.
In the present embodiment, rectification module, inverter module, secondary filtering capacitance and Support Capacitor are closed the most inside current transformer
The component of key, the design focal point of current transformer consider the convenience and agility of its installation and maintenance.Rectification module and inverter module
It can realize that equity is replaced completely, lamination is installed successively for Support Capacitor, power module 2 and secondary resonance capacitance, as shown in figure 3,
2 top of power module is Support Capacitor, and lower part is secondary resonance capacitance, is fixed to by left and right installation board on 1 mounting rail of cabinet,
Module uses drawer-type structure, is conveniently slipped into by guide rail, and rear end is fixed by nut living, and front end is consolidated by module fixed seat
It is fixed, fully ensure that being reliably connected for module, aspect installation and maintenance.Power module 2 and capacitance are easy for installation in whole cabinet,
Other any parts need not be pulled down by opening cabinet door, and directly power module 2 and capacitance directly can be safeguarded, and power module
2 can greatly reduce maintenance and the replacing construction of power module 2 and capacitance with capacitance with independent maintenance, each other without influence.
The traction convertor cooling system of the utility model integrates water-cooling system and air cooling system two parts at the same time.Water cooling system
System by waterway circulating by most heats that current transformer internal module produces by the heat exchanger outside current transformer by heat
Dissipate.Air cooling system includes interior circulating cooling and external ventilation cools down two parts, as shown in Figure 4.First, current transformer is electrically first
One circulating fan 11 is set among part installation space, and the cooling wind that circulating fan 11 is blown out is by 1 top plate of both sides module and cabinet
The passage surrounded with bottom plate（Circulation air path）The circulation air path other end is blowed to, then by both sides module and 1 top plate of cabinet and bottom plate
Between cavity be back to the water cooling heat exchanger of the rear side of circulating fan 11, complete a Thermal Cycling.Rational structure design
So that wind follows to form symmetrical reflux inside current transformer, left and right sides cooling air quantity is substantially uniform, avoids in main heating power
Nearby there are hot localised points in element rectification module, inverter module, Support Capacitor, secondary capacitance etc., ensure the reliable of electrical system
Property.Cold air outside heat exchanger is sucked converter cabinet by external ventilation cooling by two cooling blowers 10 by heat exchanger
In 1 air passage of body, realize the transfer of heat exchanger liquid-gas heat, be heated after air pass through auxiliary transformer 9 again, to its into
After row cooling, a part of wind is directly blown out from wind turbine bottom air passage, and another part wind is drained to wind turbine rear end electricity through rear end air passage
Anti- device cavity, takes away the heat that resonance reactor 6 and copped wave resistance produce.By adjusting rear end air passage position and openings of sizes,
Institute's required airflow can be cooled down with reasonable distribution rear end reactor 6, while also be unlikely to cause turbulent flow in wind turbine intracavitary, produce larger shake
Dynamic and noise.
In the present embodiment, temperature sensing cable fire alarm detection device is provided with cabinet 1, when certain part hair in cabinet 1
During calamity of lighting a fire, there is short circuit because of the destruction of insulating layer in temperature sensing cable, and whole line resistance value changes, and is visited by fire
The change that device is detectable resistance value is surveyed, so as to trigger fire alarm signal.
In the present embodiment, auxiliary output is exported using three-phase three-wire system, while is provided with high resistant on three-phase output busbar
Grid grounding detection device, voltage sensor detection resistance net neutral point voltage-to-ground is 0 when powering normal, works as auxiliary bus bar
When being grounded, voltage sensor detection resistance plate point midway voltage-to-ground will change, so as to judge busbar grounding.
In the present embodiment, intermediate loop is integrated without fiery loopback cell 7, no fiery loopback cell 7 be installed on the second cavity 102 in
The side of reactor 6；When main trailer system cannot obtain net side energy, no fiery loopback cell 7 is provided using Vehicular accumulator cell
Energy, do quick and horizontal limited precharge to dc bus, ensure that inverter can start, and excitation is carried out to motor,
Using the dragged caused mechanical energy of train, dc bus is persistently charged into normal level, enables subordinate inverter just
Often work.
In the present embodiment, 1 top frame of cabinet and vertical beam are formed using square steel tube overlap joint, and all components are mounted on beam,
Avoid producing more additional loads, substantially increase the rigidity and intensity of current transformer entirety, it is running vehicle can be born
Various vibrations and impact.The top of wherein cabinet 1 is configured with six lifting lugs, using spring suspension device, according to its overall weight
Distributing position is different, reasonably sets lifting lug spacing, and sets two square anticreep backstop devices, and two stop lines are heavy with it
The heart totally one perpendicular, further ensures reliability and security of the current transformer in train operation.Main circuit is using screen in cabinet
Cover cable, control line shielding line the mode such as connects using 360 ° of rings, effectively by electromagnetic interference control in tolerance interval.To keep away
Exempt from the adverse effect that electromagnetic interference is brought, ground capacity is provided with the positive and negative busbar of intermediate dc circuit, aid in output loop
Increase electromagnetic interface filter.
It the above is only the preferred embodiment of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
It should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of integrated form traction convertor, it is characterised in that including cabinet（1）, the cabinet（1）Be separated into two it is independent
First cavity（101）With the second cavity（102）, first cavity（101）Middle part be provided with circulation air path, the circulated air
The both sides in road are provided with power module（2）, main water inlet tube and primary flow pipe, the main water inlet tube are provided with the circulation air path
Be both provided with primary flow pipe more branch pipes, for the power module（2）Cooled plate be connected；Second cavity
（102）Heat dissipation wind channel is inside provided with, heat exchanger, auxiliary transformer are disposed with along the arranged direction of the heat dissipation wind channel
（9）, fan assembly and reactor（6）, the heat exchanger is connected with the main water inlet tube and primary flow pipe, for by cooled plate
The heat of absorption exchanges heat through heat exchanger and the air in heat dissipation wind channel.
2. integrated form traction convertor according to claim 1, it is characterised in that one end of the circulation air path is provided with
Circulating fan（11）, for the other end by wind to circulation air path, then through both sides power module（2）With cabinet（1）Between
Space is back to circulating fan（11）The water cooling heat exchanger of rear side, circulation is again sucked into after water cooling heat exchanger heat exchange cooling
Wind turbine（11）.
3. integrated form traction convertor according to claim 1 or 2, it is characterised in that the control of the traction convertor
Unit（3）And contact unit（8）Also it is located at the both sides of circulation air path respectively.
4. integrated form traction convertor according to claim 1 or 2, it is characterised in that further include with traction convertor
Between circuit be connected without fiery loopback cell（7）, it is described without fiery loopback cell（7）Installed in the second cavity（102）In reactor（6）
Side.
5. integrated form traction convertor according to claim 1 or 2, it is characterised in that the power module（2）With traction
The Support Capacitor of current transformer and secondary capacitance laminate installation, and cabinet is fixed on by left and right installation board（1）On.
6. integrated form traction convertor according to claim 1 or 2, it is characterised in that the power module（2）Using pumping
Drawer formula structure, cabinet is slipped into by guide rail（1）Interior, rear end is fixed by nut, and front end is fixed by fixed seat.
7. integrated form traction convertor according to claim 1 or 2, it is characterised in that the cabinet（1）Interior setting thoughts
Warm cable fire alarm detector.
8. integrated form traction convertor according to claim 1 or 2, it is characterised in that the three-phase of the traction convertor
High resistant network ground detection device is provided with auxiliary output busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254911.2U CN207234652U (en) | 2017-09-28 | 2017-09-28 | A kind of integrated form traction convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254911.2U CN207234652U (en) | 2017-09-28 | 2017-09-28 | A kind of integrated form traction convertor |
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| CN207234652U true CN207234652U (en) | 2018-04-13 |
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ID=61864711
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880200A (en) * | 2018-08-10 | 2018-11-23 | 常州博瑞电力自动化设备有限公司 | A kind of AC excitation frequency converter of water cooling and air-cooled combination |
| CN109256937A (en) * | 2018-09-27 | 2019-01-22 | 珠海格力电器股份有限公司 | Variable frequency water chilling unit and current converter |
| CN110785048A (en) * | 2018-07-27 | 2020-02-11 | 中车株洲电力机车研究所有限公司 | Evaporative cooling system of rail transit traction equipment and rail transit traction equipment |
| CN111106737A (en) * | 2018-10-10 | 2020-05-05 | 株洲中车时代电气股份有限公司 | Composite material converter cabinet body and assembling method thereof |
| CN112713748A (en) * | 2020-12-17 | 2021-04-27 | 中车永济电机有限公司 | Traction converter for outer corridor type diesel locomotive |
| CN112888249A (en) * | 2021-01-13 | 2021-06-01 | 株洲中车时代电气股份有限公司 | Urban rail transit vehicle and main and auxiliary integrated traction converter thereof |
| CN113109387A (en) * | 2021-04-06 | 2021-07-13 | 中国铁道科学研究院集团有限公司 | Rail transit converter air cooling system test device and test method |
| CN113992049A (en) * | 2021-09-29 | 2022-01-28 | 株洲中车时代电气股份有限公司 | Traction converter |
| CN113992015A (en) * | 2021-09-29 | 2022-01-28 | 株洲中车时代电气股份有限公司 | Integrated auxiliary converter with high power density |
| CN114094798A (en) * | 2021-11-12 | 2022-02-25 | 株洲变流技术国家工程研究中心有限公司 | Traction converter of mining electric wheel dump truck |
| CN114284913A (en) * | 2021-12-24 | 2022-04-05 | 中车永济电机有限公司 | Internal layout structure of traction auxiliary converter for motor car |
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- 2017-09-28 CN CN201721254911.2U patent/CN207234652U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785048A (en) * | 2018-07-27 | 2020-02-11 | 中车株洲电力机车研究所有限公司 | Evaporative cooling system of rail transit traction equipment and rail transit traction equipment |
| CN110785048B (en) * | 2018-07-27 | 2021-02-05 | 中车株洲电力机车研究所有限公司 | Evaporative cooling system of rail transit traction equipment and rail transit traction equipment |
| CN108880200A (en) * | 2018-08-10 | 2018-11-23 | 常州博瑞电力自动化设备有限公司 | A kind of AC excitation frequency converter of water cooling and air-cooled combination |
| CN109256937A (en) * | 2018-09-27 | 2019-01-22 | 珠海格力电器股份有限公司 | Variable frequency water chilling unit and current converter |
| CN111106737A (en) * | 2018-10-10 | 2020-05-05 | 株洲中车时代电气股份有限公司 | Composite material converter cabinet body and assembling method thereof |
| CN112713748B (en) * | 2020-12-17 | 2022-04-26 | 中车永济电机有限公司 | Traction converter for outer corridor type diesel locomotive |
| CN112713748A (en) * | 2020-12-17 | 2021-04-27 | 中车永济电机有限公司 | Traction converter for outer corridor type diesel locomotive |
| CN112888249A (en) * | 2021-01-13 | 2021-06-01 | 株洲中车时代电气股份有限公司 | Urban rail transit vehicle and main and auxiliary integrated traction converter thereof |
| CN112888249B (en) * | 2021-01-13 | 2022-06-14 | 株洲中车时代电气股份有限公司 | Urban rail transit vehicle and main and auxiliary integrated traction converter thereof |
| CN113109387A (en) * | 2021-04-06 | 2021-07-13 | 中国铁道科学研究院集团有限公司 | Rail transit converter air cooling system test device and test method |
| CN113109387B (en) * | 2021-04-06 | 2024-05-14 | 中国铁道科学研究院集团有限公司 | Rail transit converter air cooling system test device and test method |
| CN113992049A (en) * | 2021-09-29 | 2022-01-28 | 株洲中车时代电气股份有限公司 | Traction converter |
| CN113992015A (en) * | 2021-09-29 | 2022-01-28 | 株洲中车时代电气股份有限公司 | Integrated auxiliary converter with high power density |
| CN113992049B (en) * | 2021-09-29 | 2024-05-07 | 株洲中车时代电气股份有限公司 | Traction converter |
| CN114094798A (en) * | 2021-11-12 | 2022-02-25 | 株洲变流技术国家工程研究中心有限公司 | Traction converter of mining electric wheel dump truck |
| CN114094798B (en) * | 2021-11-12 | 2023-11-14 | 株洲变流技术国家工程研究中心有限公司 | Traction converter of mining electric wheel dumper |
| CN114284913A (en) * | 2021-12-24 | 2022-04-05 | 中车永济电机有限公司 | Internal layout structure of traction auxiliary converter for motor car |
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