CN207098959U - Water cooling substrate and the integrated auxiliary power module of commutation inversion - Google Patents

Water cooling substrate and the integrated auxiliary power module of commutation inversion Download PDF

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Publication number
CN207098959U
CN207098959U CN201721141232.4U CN201721141232U CN207098959U CN 207098959 U CN207098959 U CN 207098959U CN 201721141232 U CN201721141232 U CN 201721141232U CN 207098959 U CN207098959 U CN 207098959U
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China
Prior art keywords
cooling
water
water cooling
mainboard
mounting hole
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CN201721141232.4U
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Chinese (zh)
Inventor
李守蓉
王雷
杨璐
赵爱萍
李艳伟
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CRRC Yongji Electric Co Ltd
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CRRC Yongji Electric Co Ltd
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Abstract

The utility model discloses a kind of water cooling substrate, including water cooling mainboard(2‑1), the water cooling mainboard(2‑1)Upper surface is provided with guiding gutter(2‑11), the water cooling mainboard(2‑1)Front end face both sides are provided with cooling water supply connector(2‑13)With cooling water outlet joint(2‑14), the cooling water supply connector(2‑13)With cooling water outlet joint(2‑14)Respectively with guiding gutter(2‑11)Both ends connect;The water cooling mainboard(2‑1)Front end face is provided with two alignment pins(2‑12)With a high-tension connector mechanical mounting hole(2‑15), the high-tension connector mechanical mounting hole(2‑15)Positioned at two alignment pins(2‑12)It is middle.Water cooling substrate is applied to the integrated power model of auxiliary rectifier inversion, and it is cooled down using circulating liquid as cooling agent to the heating power device installed thereon, ensures that normal work needs.

Description

Water cooling substrate and the integrated auxiliary power module of rectification-inversion
Technical field
High-power electric locomotive and high speed motor car power model are the utility model is related to, specially a kind of water cooling substrate And the integrated auxiliary power module of rectification-inversion.
Background technology
With the development of high-power electric locomotive and high speed motor car AC Drive Technology, locomotive motor-car current transformer uses big work( The insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, abbreviation IGBT) of rate is as switch member Part, using increasingly extensive on locomotive motor-car current transformer, the heat dissipation problem of the power device of current transformer also becomes increasingly conspicuous.Aid in work( Power supply unit of the rate module as locomotive Auxiliary system of locomotive, because heat radiation power is small, half is using heat pipe heat radiation or air-cooled scattered Hot device is radiated.But this radiating mode heat radiation power is small, heatsink weight weight, the shortcomings of volume is big, be unfavorable for unsteady flow The space requirement that power requirement, cooling requirements, lightweight requirements and the traction auxiliary that device increasingly increases integrate.
Existing auxiliary power module radiator often uses air-cooled radiator, or heat pipe heat radiation, volume and weight compared with Greatly and need to configure cooling fan.The shortcomings that prior art, is as follows:
1st, heat radiation power is little, limits the overall power of power model.
2nd, radiator is bulky so that power model complicates.
3rd, structure is too fat to move, takes up space big.It is unfavorable for drawing accessory system integration, light-weight design.
The content of the invention
The utility model is from the shortcomings that prior art, using the integrated auxiliary power module of rectification-inversion to rely on, Solve auxiliary power module heat dissipation problem, design a kind of water-cooling base plate, water-cooling base plate is because heat radiation power is big, small volume and weight The features such as light, is by high-power electric locomotive and high speed motor car power model extensive use.
The utility model adopts the following technical scheme that realization:
A kind of water cooling substrate, including water cooling mainboard, the water cooling mainboard upper surface are provided with guiding gutter, the water cooling master Prelaminar part end face both sides are provided with cooling water supply connector and cooling water outlet joint, the cooling water supply connector and cooling water outlet joint point Do not connected with guiding gutter both ends;The water cooling mainboard front end face is provided with two alignment pins and a high-tension connector mechanical erection Hole, the high-tension connector mechanical mounting hole is among two alignment pins.
There is the water cooling mainboard guiding gutter upper surface to be sealed by welding brazing sheet, welding lid on the brazing sheet Plate.
The water cooling mainboard lower surface and lid surface are equipped with accessory mechanical mounting hole.
Water cooling substrate is applied to the integrated power model of auxiliary rectifier inversion, and it is used as cooling using circulating liquid Agent, the heating power device installed thereon is cooled down, ensure that normal work needs.
A kind of integrated auxiliary power module of rectification-inversion on the basis of water-cooling base plate, including water cooling substrate, institute Stating water cooling substrate 2 includes water cooling mainboard 2-1, and the water cooling mainboard 2-1 upper surfaces are provided with guiding gutter 2-11, the water cooling master Plate 2-1 front end faces both sides are provided with cooling water supply connector 2-13 and cooling water outlet joint 2-14, the cooling water supply connector 2-13 Connected respectively with guiding gutter 2-11 both ends with cooling water outlet joint 2-14;The water cooling mainboard 2-1 front end faces are provided with two and determined It is fixed positioned at two that 2-12 and high-tension connector mechanical mounting hole 2-15, the high-tension connector mechanical mounting hole 2-15 are sold in position Among the pin 2-12 of position;The water cooling mainboard 2-1's has guiding gutter 2-11 upper surfaces by welding brazing sheet 2-2 sealings, described Welded cover plate 2-3 on brazing sheet 2-2;The water cooling mainboard 2-1 lower surfaces and cover plate 2-3 surfaces are equipped with accessory machinery peace Fill hole 2-16.
IGBT power cells 4 are installed in the left and right sides of water cooling substrate 2 by accessory mechanical mounting hole 2-16, Composite bus bar 3 is installed respectively, the sub- 3-11 of anode connection terminal and negative pole of each composite bus bar 3 connect outside two IGBT power cells 4 Connecting terminal 3-12 is installed on corresponding side insulating supporting seat 5, and the insulating supporting seat 5 positioned at both sides is respectively arranged in water-cooling base The rear portion both sides of plate 2.
Two water-cooling base plates of the water cooling substrate 2 anterior two alignment pin 2-12 through high-tension connector 1 are led To positioning hole 1-2, water cooling substrate 2 is fixed by screw rod and high-tension connector mechanical mounting hole 2-15 with high-tension connector 1 Connection;The cooling water supply connector 2-13 and cooling water outlet joint 2-14 of the water cooling substrate 2 are located at high-tension connector 1 respectively Two water-cooling base plate water swivels support half bore 1-4 at;The exchange connection terminal 3-13 of two composite bus bars 3 connects with high pressure respectively Connect being connected with composite bus bar ac terminal connectivity port 1-62 on the left of device 1 and right side;The composite bus bar 3 and IGBT power of both sides For unit 4 respectively in the metal framework 6 of corresponding side, two metal frameworks 6 are fixed on 2 outer both sides of water cooling substrate, both sides Installation shielding supporting plate 8 and cover plate 7, the shielding supporting plate 8 of both sides install low-voltage driving plate 9 respectively outside respectively outside metal framework 6, The shielding supporting plate 8 and driving plate 9 are located in cover plate 7.
The integrated auxiliary power module of rectification-inversion is by the main circuit rectification circuit of train accessory system and inversion electricity Road is integrated in a power model, and the functional mapping that a power model can completes accessory system need to be only installed in current transformer Low-tension supply is provided for auxiliary load device.
The advantages of this programme, is as follows:
1st, power cell carries out integrated rectifier and inverter in one not based on the water-cooling base plate of two-sided cooling Symmetrical modularized design;
2nd, auxiliary power module uses water-cooling form, improves radiating efficiency, can be timely by the heat of power component Effectively shed.
3rd, powerful IGBT can be selected in the design, and then improves the power of whole power model.
Brief description of the drawings
Fig. 1 a represent the agent structure schematic diagram of water cooling substrate.
Fig. 1 b represent the overall schematic of water cooling substrate.
Fig. 2 is expressed as the installation signal of the integrated auxiliary power module of rectification-inversion on the basis of water cooling substrate Figure.
Fig. 3 a represent high-tension connector one side(With exchanging cabinet connecting side)Schematic diagram.
Fig. 3 b represent high-tension connector another side(With water-cooling base plate connecting side)Schematic diagram.
Fig. 3 c represent that high-tension connector is assemblied in the assembling schematic diagram on water-cooling base plate.
In figure:1--- high-tension connectors, 1-1--- are mechanically fixed mainboard, 1-2--- water-cooling base plate guide-localizations hole, 1- 3--- water-cooling base plate screw rod mounting holes, 1-4--- water-cooling base plates water swivel support half bore, 1-5--- bolt mounting holes, 1-6--- are handed over Terminal interface is flowed, 1-61--- is with exchanging cabinet side connectivity port, 1-62--- and composite bus bar ac terminal connectivity port;2--- water Cold heat-radiating substrate, 2-11--- guiding gutters, 2-12--- alignment pins, 2-13--- cooling water supply connectors, 2-14--- cooling water outlets connect Head, 2-15--- high-tension connector mechanical mounting holes, 2-16--- accessory mechanical mounting holes;3--- composite bus bars, 3-11--- Anode connection terminal, 3-12--- negative pole connection terminals, 3-13--- exchange connection terminals;4---IGBT power cells, 5--- are exhausted Edge support base, 6--- metal frameworks, 7--- cover plates, 8--- shielding supporting plates, 9--- driving plates.
Embodiment
Specific embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
A kind of water cooling substrate, as shown in Figure 1a, including water cooling mainboard 2-1, water cooling mainboard 2-1 upper surface are provided with water guide Groove 2-11, water cooling mainboard 2-1 front end faces both sides are provided with cooling water supply connector 2-13 and cooling water outlet joint 2-14, cooling water inlet Joint 2-13 and cooling water outlet joint 2-14 connect with guiding gutter 2-11 both ends respectively;Water cooling mainboard 2-1 front end faces are provided with two Individual alignment pin 2-12 and a high-tension connector mechanical mounting hole 2-15, high-tension connector mechanical mounting hole 2-15 are fixed positioned at two Among the pin 2-12 of position.
Water cooling mainboard 2-1's has guiding gutter 2-11 upper surfaces by welding brazing sheet 2-2 sealings, the brazing sheet 2-2 Upper welded cover plate 2-3.
As shown in Figure 1 b, water cooling mainboard 2-1 lower surfaces and cover plate 2-3 surfaces are equipped with accessory mechanical mounting hole 2- 16。
The characterisitic parameter of water cooling substrate is as follows:
1)Cooling liquid
Circulating cooling liquid can be:Pure water, pure water press 40%, 50% or 60% mixed liquor (ethene, second two with antifreezing agent Alcohol or propane diols) and preservative.Fluid temperature is in -25 DEG C (40% mixed liquors), -35 DEG C (50% mixed liquors) or -40 DEG C (60% Mixed liquor) between+85 DEG C of peak values.
2)Heat and hydraulic performance
Heat radiation power: ≤20kW
Resistive properties and pressure drop are given a definition in the mixture of 56% ethylene glycol and water:
Liquid nominal flow rate: 40±2 L/min
Water-cooling base plate thermal resistance: ≤7℃/kW
Test pressure:8bar (relative)
Operating temperature range (air/liquid):- 40 DEG C~+75 DEG C of air;
- 40 DEG C~+85 DEG C of liquid.
3)Mechanical support explanation
The water-cooling base plate two-side radiation, two-sided placement power device.Water-cooling base plate one side places rectified power device, another Place inverter power device in face.Two radiating mounting surfaces of water-cooling base plate are equipped with mechanical mounting hole, meet power model mechanical support Being installed with driving plate needs;The mechanical mounting hole of high-voltage high-speed attachment means is provided between two alignment pins.
As shown in Fig. 3 a, 3b, high-tension connector includes being mechanically fixed mainboard 1-1, is mechanically fixed mainboard 1-1 middle part longitudinal direction Arrange a two water-cooling base plate guide-localization hole 1-2 and water-cooling base plate screw rod mounting hole 1-3, two water-cooling base plate guide-localizations Hole 1-2 is symmetrically arranged in water-cooling base plate screw rod mounting hole 1-3 both sides up and down;Around water-cooling base plate guide-localization hole 1-2 and water cooling Bolt mounting holes 1-5 is disposed with around substrate screw rod mounting hole 1-3;The middle part lower edges for being mechanically fixed mainboard 1-1 are symmetrically set There is water-cooling base plate water swivel support half bore 1-4.
It is mechanically fixed to run through at left and right sides of mainboard 1-1 and multiple ac terminal interface 1-6, each ac terminal interface is installed 1-6 one sides are with exchanging cabinet side connectivity port 1-61(As shown in Figure 3 a), its another side is is connected with composite bus bar ac terminal Port 1-62(As shown in Figure 3 b).
When specifically used, as shown in Figure 3 c, two leads of water-cooling base plate 2(Alignment pin 2-12)Connect through high-voltage electrical apparatus Two water-cooling base plate guide-localization hole 1-2 of connection device 1, the cooling water supply connector 2-13 and cooling water outlet joint of water-cooling base plate 2 Respectively at the water-cooling base plate water swivel support half bore 1-4 of the upper and lower sides of high-voltage electrical apparatus attachment means 1, high-voltage electrical apparatus connects 2-14 The water-cooling base plate screw rod mounting hole 1-3 at the center of device 1 just overlaps with the high-tension connector mechanical mounting hole of water-cooling base plate 2, real It is fixedly connected both existing.The side of high-voltage electrical apparatus attachment means 1 with exchange cabinet side connectivity port 1-61 towards exchange cabinet, opposite side The power model installed with composite bus bar ac terminal connectivity port 1-62 towards the both sides of water-cooling base plate 2.
As shown in Fig. 2 a kind of integrated auxiliary power module of rectification-inversion on the basis of water-cooling base plate, including water cooling IGBT power cells 4 are installed in heat-radiating substrate 2, the left and right sides of water cooling substrate 2 by accessory mechanical mounting hole 2-16, and two Composite bus bar 3 is installed respectively, the sub- 3-11 of anode connection terminal of each composite bus bar 3 connects with negative pole outside individual IGBT power cells 4 Terminal 3-12 is installed on corresponding side insulating supporting seat 5, and the insulating supporting seat 5 positioned at both sides is respectively arranged in water cooling substrate 2 rear portions both sides.
It is fixed that two water-cooling base plates of two anterior alignment pin 2-12 of water cooling substrate 2 through high-tension connector 1 are oriented to Position hole 1-2, water cooling substrate 2 are fixedly connected by screw rod and high-tension connector mechanical mounting hole 2-15 with high-tension connector 1; The cooling water supply connector 2-13 and cooling water outlet joint 2-14 of the water cooling substrate 2 are located at the two of high-tension connector 1 respectively At individual water-cooling base plate water swivel support half bore 1-4;The exchange connection terminal 3-13 of two composite bus bars 3 respectively with high-tension connector On the left of in the of 1 and right side is connected with composite bus bar ac terminal connectivity port 1-62(In Fig. 2, positioned at left side IGBT power cells Composite bus bar has three exchange connection terminals, positioned at the composite bus bar of the IGBT power cells on right side there are two exchanges to connect Terminal, corresponding high-tension connector left side should set three ac terminal interface 1-6, right side to set two ac terminal interface 1- 6, Fig. 3 a, 3b only illustrate the arrangement that high-tension connector makees left and right sides ac terminal interface 1-6);The compound mother of both sides 3 and IGBT power cells 4 are arranged respectively in the metal framework 6 of corresponding side, two metal frameworks 6 are fixed on water cooling substrate 2 outer both sides, both sides metal framework 6 outside install respectively outside respectively by installation shielding supporting plate 8 and cover plate 7, the shielding supporting plate 8 of both sides Low-voltage driving plate 9, the shielding supporting plate 8 and driving plate 9 are located in cover plate 7.
Rectification-inverse integrated auxiliary power module is centered on water-cooling base plate, two-sided installation IGBT.IGBT power devices The parts such as part, drive circuit board, configuration protection plate, laminated composite bus bar, water-cooling base plate, high-tension connector, wire harness and framework are pressed Water-cooling base plate both sides are arranged on according to certain order, form that function is clearly demarcated, the modular construction of compact in design.Water-cooling base Plate one side installs 4 IGBT, simultaneously installs 6 IGBT, and the two-sided power device of installation is asymmetric.The water-cooling base plate meets power While device radiates, the mechanical mounting hole of other accessories provide not only, and connecing for current transformer and power model Mouthpiece provides mechanical erection position, realizes the highly integrated of power module architectures.
What the technical program was brought has the beneficial effect that:
1st, concentrated using modularized design, structure height, be easy to safeguard and change, reduce maintenance cost.
2nd, using water-cooling, improve radiating efficiency, can shed the heat of power component is timely and effective.In the design Powerful IGBT can be selected, and then improves the power of whole power model.
3rd, it is simple in construction, reduce volume and weight.The space taken in whole module is little, two radiatings of water-cooling base plate Face even side is available.Not only meet cooling requirements, further simplify apparatus structure, mitigate weight, reduce volume.
It should be noted last that above example is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent Pipe is described in detail with reference to the utility model embodiment, it will be understood by those within the art that, it is new to this practicality The technical scheme of type is modified or equivalent substitution, without departure from the spirit and scope of the technical solution of the utility model, its It all should cover in claims.

Claims (2)

  1. A kind of 1. water cooling substrate, it is characterised in that:Including water cooling mainboard(2-1), the water cooling mainboard(2-1)Upper surface is set There is guiding gutter(2-11), the water cooling mainboard(2-1)Front end face both sides are provided with cooling water supply connector(2-13)And cooling water outlet Joint(2-14), the cooling water supply connector(2-13)With cooling water outlet joint(2-14)Respectively with guiding gutter(2-11)Both ends connect It is logical;The water cooling mainboard(2-1)Front end face is provided with two alignment pins(2-12)With a high-tension connector mechanical mounting hole(2- 15), the high-tension connector mechanical mounting hole(2-15)Positioned at two alignment pins(2-12)It is middle;
    The water cooling mainboard(2-1)There is guiding gutter(2-11)Upper surface is by welding brazing sheet(2-2)Sealing, the soldering Plate(2-2)Upper welded cover plate(2-3);
    The water cooling mainboard(2-1)Lower surface and cover plate(2-3)Surface is equipped with accessory mechanical mounting hole(2-16).
  2. 2. a kind of integrated auxiliary power module of rectification-inversion on the basis of water-cooling base plate, including water cooling substrate(2), It is characterized in that:The water cooling substrate(2)Including water cooling mainboard(2-1), the water cooling mainboard(2-1)Upper surface is provided with and led Tank(2-11), the water cooling mainboard(2-1)Front end face both sides are provided with cooling water supply connector(2-13)With cooling water outlet joint (2-14), the cooling water supply connector(2-13)With cooling water outlet joint(2-14)Respectively with guiding gutter(2-11)Both ends connect; The water cooling mainboard(2-1)Front end face is provided with two alignment pins(2-12)With a high-tension connector mechanical mounting hole(2- 15), the high-tension connector mechanical mounting hole(2-15)Positioned at two alignment pins(2-12)It is middle;The water cooling mainboard(2-1) There is guiding gutter(2-11)Upper surface is by welding brazing sheet(2-2)Sealing, the brazing sheet(2-2)Upper welded cover plate(2- 3);The water cooling mainboard(2-1)Lower surface and cover plate(2-3)Surface is equipped with accessory mechanical mounting hole(2-16);
    The water cooling substrate(2)The left and right sides passes through accessory mechanical mounting hole(2-16)IGBT power cells are installed (4), two IGBT power cells(4)It is outer that composite bus bar is installed respectively(3), each composite bus bar(3)Anode connection terminal son(3- 11)With negative pole connection terminal(3-12)It is installed on corresponding side insulating supporting seat(5)On, the insulating supporting seat positioned at both sides(5)Point Water cooling substrate is not installed on it(2)Rear portion both sides;
    The water cooling substrate(2)Two anterior alignment pins(2-12)Through high-tension connector(1)Two water-cooling base plates Guide-localization hole(1-2), water cooling substrate(2)Pass through screw rod and high-tension connector mechanical mounting hole(2-15)It is connected with high pressure Device(1)It is fixedly connected;The water cooling substrate(2)Cooling water supply connector(2-13)With cooling water outlet joint(2-14)Respectively Positioned at high-tension connector(1)Two water-cooling base plate water swivels support half bore(1-4)Place;Two composite bus bars(3)Exchange connect Connecting terminal(3-13)Respectively with high-tension connector(1)Left side and right side with composite bus bar ac terminal connectivity port(1-62)Even Connect;The composite bus bar of both sides(3)With IGBT power cells(4)It is located at the metal framework of corresponding side respectively(6)It is interior, two metal frames Frame(6)It is fixed on water cooling substrate(2)Outer both sides, both sides metal framework(6)The outer shielding supporting plate of installation respectively(8)And cover plate (7), the shielding supporting plate of both sides(8)It is outer that low-voltage driving plate is installed respectively(9), the shielding supporting plate(8)And driving plate(9)Position In cover plate(7)It is interior.
CN201721141232.4U 2017-09-07 2017-09-07 Water cooling substrate and the integrated auxiliary power module of commutation inversion Active CN207098959U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108494264A (en) * 2018-05-30 2018-09-04 西安中车永电电气有限公司 A kind of highly integrated light-weighted power device
CN109412391A (en) * 2018-10-30 2019-03-01 中国船舶工业系统工程研究院 The two-sided water cooling (PCC) power of high integration based on SiC device
CN109450262A (en) * 2018-05-30 2019-03-08 西安中车永电电气有限公司 A kind of highly integrated low-floor tramcar auxiliary converter power cell
CN109742930A (en) * 2019-01-28 2019-05-10 四川富肯斯科技有限公司 A kind of high power DC converter body
CN109921613A (en) * 2019-01-28 2019-06-21 四川富肯斯科技有限公司 A kind of high-power compacting DC converter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108494264A (en) * 2018-05-30 2018-09-04 西安中车永电电气有限公司 A kind of highly integrated light-weighted power device
CN109450262A (en) * 2018-05-30 2019-03-08 西安中车永电电气有限公司 A kind of highly integrated low-floor tramcar auxiliary converter power cell
CN109412391A (en) * 2018-10-30 2019-03-01 中国船舶工业系统工程研究院 The two-sided water cooling (PCC) power of high integration based on SiC device
CN109742930A (en) * 2019-01-28 2019-05-10 四川富肯斯科技有限公司 A kind of high power DC converter body
CN109921613A (en) * 2019-01-28 2019-06-21 四川富肯斯科技有限公司 A kind of high-power compacting DC converter

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