CN109950842A - A kind of insulation support device suitable for L-type composite bus bar - Google Patents
A kind of insulation support device suitable for L-type composite bus bar Download PDFInfo
- Publication number
- CN109950842A CN109950842A CN201711378943.8A CN201711378943A CN109950842A CN 109950842 A CN109950842 A CN 109950842A CN 201711378943 A CN201711378943 A CN 201711378943A CN 109950842 A CN109950842 A CN 109950842A
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- Prior art keywords
- plate
- bus bar
- side plate
- composite bus
- vertical side
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- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000009413 insulation Methods 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 6
- 230000003137 locomotive effect Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a kind of insulation support devices suitable for L-type composite bus bar, including " L " type insulating supporting main body, the insulating supporting main body is PC plate, offers the fixation hole for connecting with exchange composite bus bar, direct current composite bus bar and radiator base plate respectively in the two sides of PC plate；Vertical plate fixation hole is offered on the vertical side plate of the PC plate, vertical side plate by vertical side fixation hole and insulated fasteners with exchange composite bus bar and direct current composite bus bar is fixedly connected, the horizontal side plate of PC plate is provided with level board fixation hole, and horizontal side plate is connect by level board fixation hole and bolt with heat-radiating substrate.The high pressure when present invention works composite bus bar is dielectrically separated from frame, is improved module to extraneous safety, is reduced production difficulty, save cost；The one-time formed insulating part of the present invention, it is simple and compact for structure, mechanical strength is improved, while also convenient for assembly.
Description
Technical field
The invention belongs to insulating materials technical fields, are related to converter topology, especially a kind of to be suitable for L-type composite bus bar
Insulation support device.
Background technique
Insulating materials refers to that conductivity is small, the material for the current-carrying part of different potentials to be isolated.In actual use,
Insulating materials can in the electrical apparatus keep apart the different live part of potential, to guarantee the normal fortune of electrical equipment and electrical
Row.With the development of electric locomotive alternating current drive technology, using high-frequency high-power insulated gate bipolar transistor
(Insulated Gate Bipolar Transistor, abbreviation IGBT) the current transformer application of power module as switch element
It is increasingly extensive.The composite bus bar terminal of high-power IGBT power module and the composite bus bar terminal of current transformer are connected with fastener
Afterwards, larger due to being shaken when locomotive operation, it is easy to make the composite bus bar terminal stress deformation of power module, influences power module
Can, and high pressure when needing to work power module is isolated with module frame, guarantee power module trouble free service.
It in the prior art, is all that composite bus bar is supported using common insulating part, this insulating part has the following deficiencies:
1) the insulating part outer dimension of the prior art is big, heavy；
2) the insulating part heat resisting temperature of the prior art is low, locomotive work bad environments, is easy aging fracture, and the service life is short；
3) insulating part of prior art complexity is not allowed easily molded, and manufacture is difficult, at high cost；
4) insulating part of the prior art is easily deformed, cracks.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, provide a kind of suitable for the exhausted of L-type composite bus bar
Edge support device.
The purpose of the present invention is achieved through the following technical solutions:
This insulation support device suitable for L-type composite bus bar, including " L " type insulating supporting main body, the insulation
Supportive body is PC plate, the two sides of PC plate offer respectively for exchange composite bus bar, direct current composite bus bar and heat dissipation
The fixation hole of device substrate connection；Vertical plate fixation hole is offered on the vertical side plate of the PC plate, vertical side plate passes through vertical side
Fixation hole and insulated fasteners with exchange composite bus bar and direct current composite bus bar is fixedly connected, the horizontal side plate of PC plate is provided with water
Plate fastening hole, horizontal side plate are connect by level board fixation hole and bolt with heat-radiating substrate.
Further, the vertical side plate of above-mentioned PC plate is longer than horizontal side plate.
Further, the side structure of the vertical side plate of above-mentioned PC plate is trapezoidal, i.e., upper end side length is shorter than lower end side length.
Further, several side plate hollow holes are offered on the vertical side plate of above-mentioned PC plate.Side plate hollow hole is rectangle hollow out
Hole, the angle of rectangle hollow hole are rounded corner.
Further, several turning hollow holes are offered at the handover angle of the vertical side plate of above-mentioned PC plate and horizontal side plate.
Turning hollow hole is rectangle hollow hole, and rectangle hollow hole is provided with rounded corner.
The invention has the following advantages:
1) composite bus bar is increased to the air gap of frame, and high pressure and the external world when composite bus bar is worked have carried out absolutely
Edge isolation, improves the insulation performance of module；
2) insulating part one-pass molding, insulating part is relatively easy, convenient for assembling, and compact appearance, beauty；
3) connection of insulation support device and composite bus bar uses nylon fasteners, increases creepage distance, improves module
Security performance.
Further, the high pressure when present invention works composite bus bar is dielectrically separated from frame, improves module pair
Extraneous safety；The one-time formed insulating part of the present invention, reduces production difficulty, saves cost；One-pass molding of the present invention
Insulating part, it is simple and compact for structure, improve mechanical strength, while also convenient for assembly.
Detailed description of the invention
Fig. 1 is alternating current-direct current composite bus bar insulation support device structural schematic diagram of the invention；
Fig. 2 is insulating supporting shape assumption diagram of the invention.
Wherein: 1 is insulation support device；2 be direct current composite bus bar；3 be composite bus bar pin；4 be exchange composite bus bar；
5 be radiator base plate；6 be fixation hole；7 be side plate hollow hole；8 be turning hollow hole；9 be level board fixation hole.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 2: the present invention is suitable for the insulation support device of L-type composite bus bar, including " L " type insulating supporting
Main body, the insulating supporting main body be PC plate, the two sides of PC plate offer respectively for exchange composite bus bar 4, directly
Flow the fixation hole that composite bus bar 2 and radiator base plate 5 connect；Vertical plate is offered on the vertical side plate 1.1 of the PC plate to fix
Hole 6, vertical side plate 1.1 by vertical side fixation hole 6 and insulated fasteners with exchange composite bus bar 4 and direct current composite bus bar 2 is consolidated
Fixed connection, the horizontal side plate 1.2 of PC plate are provided with level board fixation hole 9, and horizontal side plate 1.2 passes through level board fixation hole 9 and spiral shell
Bolt is connect with heat-radiating substrate 5.
In the embodiment of the present invention, the vertical side plate of PC plate is longer than horizontal side plate.The side structure of the vertical side plate of PC plate
To be trapezoidal, i.e., upper end side length is shorter than lower end side length.Several side plate hollow holes 7 are offered on the vertical side plate of PC plate.The side plate
Hollow hole 7 is rectangle hollow hole, and the angle of rectangle hollow hole is rounded corner.At the vertical side plate of PC plate and the handover angle of horizontal side plate
Place offers several turning hollow holes 8, which is rectangle hollow hole, and rectangle hollow hole is provided with rounded corner, hollow out
The setting in hole can mitigate weight and save material.
Referring to fig. 2: in highly preferred embodiment of the present invention, " L " type integral structure that PC plate is is the thick transparent PC of 5mm
Plate, also, open up on vertical side plate 1.1 that there are three the side plate hollow holes 7 of horizontal homogeneous arrangement, in vertical side plate and horizontal side
Turning hollow hole 8 there are three being opened up at the handover angle of plate, and the length of centrally located turning hollow hole 8 is greater than positioned at two
The turning hollow hole 8 of side.Upper and lower on vertical side plate 1.1 in side plate hollow hole 7 is each provided with the vertical side fixation hole of a row
6, the vertical side fixation hole 6 positioned at upper row is four, and the vertical side fixation hole 6 positioned at lower row is eight.On horizontal side plate 1.2
Offer 6 level board fixation holes 9.The edge of horizontal side plate 1.2 be additionally provided with to matched with radiator base plate 5 half
Arc groove.
The present invention is directed to high-power locomotive power module at work, the external high voltage interface input and output of power module
Voltage it is very big, and in view of locomotive work environment is more severe, the case where vibration and impact, happens occasionally, therefore should examine
Consider electrical security, it is compound to module alternating current-direct current again according to the mounting structure feature of split type L-type alternating current-direct current composite bus bar
Busbar plays the function that support is fixed and is isolated with frame, and insulation support device can support composite bus bar, can be to avoid
Composite bus bar terminal stress makes composite bus bar deform.
The insulation support device makes full use of the spatial structure characteristic between radiator base plate and composite bus bar to realize.With
Based on radiator base plate, using the space between radiator base plate and composite bus bar, by the insulation support device lower part spiral shell
Bolt is fixed on radiator base plate, and top is supported the vertical dogleg section of alternating current-direct current composite bus bar with insulated fasteners,
Not only play the role of supporting fixed alternating current-direct current composite bus bar in this way but also high pressure is isolated with frame.
The device uses PC transparent panel, makes the device one-pass molding, PC material using the good feature of PC material processing performance
The insulating part high mechanical strength of manufacture, electrical insulation capability are excellent, heat-resisting, cold-resistant, fire-retardant, nontoxic, which makes full use of PC material
The characteristic and power module of material and the design feature of alternating current-direct current composite bus bar are realized.
Claims (5)
1. a kind of insulation support device suitable for L-type composite bus bar, which is characterized in that including " L " type insulating supporting main body,
The insulating supporting main body is PC plate, the two sides of PC plate offer respectively for to exchange composite bus bar (4), direct current compound
The fixation hole of busbar (2) and radiator base plate (5) connection；Vertical plate is offered on the vertical side plate (1.1) of the PC plate to fix
Hole (6), vertical side plate (1.1) by vertical side fixation hole (6) and insulated fasteners with exchange composite bus bar (4) and direct current is compound
Busbar (2) is fixedly connected, and the horizontal side plate (1.2) of PC plate is provided with level board fixation hole (9), and horizontal side plate (1.2) passes through water
Plate fastening hole (9) and bolt are connect with heat-radiating substrate (5).
2. the insulation support device according to claim 1 suitable for L-type composite bus bar, which is characterized in that the PC plate
Vertical side plate be longer than horizontal side plate.
3. the insulation support device according to claim 1 suitable for L-type composite bus bar, which is characterized in that the PC plate
Vertical side plate side structure be it is trapezoidal, i.e., upper end side length is shorter than lower end side length.
4. the insulation support device according to claim 3 suitable for L-type composite bus bar, which is characterized in that the PC plate
Vertical side plate on offer several side plate hollow holes (7)；The side plate hollow hole (7) is rectangle hollow hole, rectangle hollow hole
Angle be rounded corner.
5. the insulation support device according to claim 1 suitable for L-type composite bus bar, which is characterized in that in the PC
Several turning hollow holes (8) are offered at the vertical side plate of plate and the handover angle of horizontal side plate；The turning hollow hole (8) is square
Shape hollow hole, rectangle hollow hole are provided with rounded corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711378943.8A CN109950842B (en) | 2017-12-20 | 2017-12-20 | L-shaped insulating supporting device suitable for composite busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711378943.8A CN109950842B (en) | 2017-12-20 | 2017-12-20 | L-shaped insulating supporting device suitable for composite busbar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109950842A true CN109950842A (en) | 2019-06-28 |
| CN109950842B CN109950842B (en) | 2024-03-26 |
Family
ID=67004137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711378943.8A Active CN109950842B (en) | 2017-12-20 | 2017-12-20 | L-shaped insulating supporting device suitable for composite busbar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950842B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006081308A (en) * | 2004-09-09 | 2006-03-23 | Keihin Corp | Power drive unit |
| CN102624205A (en) * | 2012-04-16 | 2012-08-01 | 株洲南车时代电气股份有限公司 | Power module of converter |
| CN103138600A (en) * | 2011-11-30 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Compound bus bar |
| CN203504429U (en) * | 2013-10-23 | 2014-03-26 | 北京京铁信达铁路设备有限公司 | Auxiliary conversion inverter module |
| CN103915987A (en) * | 2013-01-09 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Protecting and isolating device and IGBT power module |
| CN104780749A (en) * | 2015-04-22 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Insulation shielding supporting plate and stacked power module |
| CN105048799A (en) * | 2015-09-12 | 2015-11-11 | 永济新时速电机电器有限责任公司 | Novel brake chopper power unit |
| CA2953678A1 (en) * | 2016-01-05 | 2017-07-05 | Atse, Llc | Power converter |
| CN107171573A (en) * | 2017-07-16 | 2017-09-15 | 中车永济电机有限公司 | Three-phase inversion power model based on bidirectional screw runner water cooling substrate |
| CN207782345U (en) * | 2017-12-20 | 2018-08-28 | 西安中车永电电气有限公司 | A kind of insulation support device suitable for L-type composite bus bar |
-
2017
- 2017-12-20 CN CN201711378943.8A patent/CN109950842B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006081308A (en) * | 2004-09-09 | 2006-03-23 | Keihin Corp | Power drive unit |
| CN103138600A (en) * | 2011-11-30 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Compound bus bar |
| CN102624205A (en) * | 2012-04-16 | 2012-08-01 | 株洲南车时代电气股份有限公司 | Power module of converter |
| CN103915987A (en) * | 2013-01-09 | 2014-07-09 | 永济新时速电机电器有限责任公司 | Protecting and isolating device and IGBT power module |
| CN203504429U (en) * | 2013-10-23 | 2014-03-26 | 北京京铁信达铁路设备有限公司 | Auxiliary conversion inverter module |
| CN104780749A (en) * | 2015-04-22 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Insulation shielding supporting plate and stacked power module |
| CN105048799A (en) * | 2015-09-12 | 2015-11-11 | 永济新时速电机电器有限责任公司 | Novel brake chopper power unit |
| CA2953678A1 (en) * | 2016-01-05 | 2017-07-05 | Atse, Llc | Power converter |
| CN107171573A (en) * | 2017-07-16 | 2017-09-15 | 中车永济电机有限公司 | Three-phase inversion power model based on bidirectional screw runner water cooling substrate |
| CN207782345U (en) * | 2017-12-20 | 2018-08-28 | 西安中车永电电气有限公司 | A kind of insulation support device suitable for L-type composite bus bar |
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| Publication number | Publication date |
|---|---|
| CN109950842B (en) | 2024-03-26 |
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