CN104935149B - Isolate seal between anti-tracking driving plate - Google Patents
Isolate seal between anti-tracking driving plate Download PDFInfo
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- CN104935149B CN104935149B CN201510235402.4A CN201510235402A CN104935149B CN 104935149 B CN104935149 B CN 104935149B CN 201510235402 A CN201510235402 A CN 201510235402A CN 104935149 B CN104935149 B CN 104935149B
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- 239000011810 insulating material Substances 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 59
- 238000009413 insulation Methods 0.000 claims description 17
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 102100029540 Structural maintenance of chromosomes protein 2 Human genes 0.000 description 2
- 101710117946 Structural maintenance of chromosomes protein 2 Proteins 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Technology is dielectrically separated from the present invention relates to high-power electric locomotive power module, isolates seal between specially a kind of anti-tracking driving plate.Solve that space-consuming present in current driving plate installation process is big and technical problem of phase reciprocity interference.Isolate seal, including a L-type division board being made up of insulating materials between a kind of anti-tracking driving plate, L-type division board includes level board and is connected to first vertical plate of level board one end；Level board upper surface is respectively fixed with one close to the position of four drift angles is used for the fixed hexagonal pad post being made up of insulating materials for supporting driving plate.The L-type and U-shape structure of division board of the present invention have been effectively isolated the electrical Interference of horizontal range and vertical range；And on the premise of ensureing to save space, that is, protect driving plate in itself, creep age distance is considerably increased again.
Description
Technical Field
The invention relates to an insulation isolation technology of a power module of a high-power electric locomotive, in particular to an insulation isolation device between anti-creep electric driving boards.
Background
With the development of locomotive alternating current technology, a converter using a high-power IGBT as a switching element is increasingly widely applied and is more common as a converter core component, namely an IGBT driving board. However, the existing installation arrangement has the following disadvantages: 1) enough space needs to be reserved between the driving plate and the driving plate to ensure proper creepage distance and waste space; 2) due to the limitation of the module structure, enough distance cannot be reserved between the driving plates to ensure the isolation of electrical interference, and the electronic devices of the driving plates cannot be effectively protected; 3) the drive plate occupies a large space during installation, and the overall structural layout of the power module is affected. Therefore, from the practical application, a driver board mounting device which saves the mounting space of the driver board and effectively isolates electrical interference is urgently needed.
Disclosure of Invention
The invention provides an isolation and insulation device between anti-creep electric driving plates, which aims to solve the technical problems of large occupied space and mutual interference in the installation process of the existing driving plates.
The invention is realized by adopting the following technical scheme: an isolation and insulation device between anti-creep electric driving boards comprises an L-shaped isolation board made of insulation materials, wherein the L-shaped isolation board comprises a horizontal board and a first vertical board connected to one end of the horizontal board; and the positions of the upper surface of the horizontal plate, which are close to the four top corners, are respectively and vertically fixed with a hexagonal cushion column made of an insulating material for fixedly supporting the driving plate.
Aiming at the working condition of a high-power module of a high-speed train, the electric interference exists between driving plates, the working stability of the driving plates is influenced, and the safe creepage distance is ensured by considering that a certain space or some isolating devices are needed between the driving plates, so that the electric safety is considered, the driving plates are protected according to the structural characteristics of the module space design, and the space is saved. The invention can well realize the electrical interference between the adjacent driving plates through the L-shaped isolation plate, reduce the distance between the driving plates and save the space. The hexagonal pad columns are used for installing the driving plate, are matched with corresponding installation holes in the driving plate and are positioned through bolts.
Further, a second vertical plate parallel to the first vertical plate and made of an insulating material is fixed to the other end of the horizontal plate.
The U-shaped structure isolation plate is formed by the two vertical plates and the horizontal plate together, insulation isolation is achieved in the structure in two directions, electrical interference between adjacent driving plates can be better reduced, and installation space of the driving plates is further reduced.
The invention designs the isolation and insulation device between the L-shaped and U-shaped anti-creep drive plates, and the device can meet the related technical requirements, save the space between the drive plates and be convenient to install.
An isolation and insulation device between anti-creep electric driving boards comprises a bottom board, wherein a plurality of L-shaped isolation boards made of insulation materials are sequentially arranged on the bottom board along the length direction, and each L-shaped isolation board comprises a horizontal board and a first vertical board connected to one end of the horizontal board; a hexagonal pad column made of insulating materials is vertically fixed on the upper surface of the horizontal plate close to the four vertex angles; the bottom plate is connected with each horizontal plate through an inter-plate isolation column; the upper end of the hexagonal cushion column is provided with a stud for supporting and fixing the driving plate, and the lower end of the hexagonal cushion column is provided with a screw hole for connecting the L-shaped isolation plate; a horizontal plate is arranged between the adjacent L-shaped partition plates at intervals.
Further, a second vertical plate made of an insulating material and parallel to the first vertical plate is fixed to the other end of the at least one horizontal plate.
The device is realized by fully utilizing the spatial structure characteristics of the upper surface of the bottom plate. The isolation device comprises a base plate, a plate isolation column, a drive plate, a hexagonal cushion column and a hexagonal cushion column. The design structure of the isolation and insulation device between the anti-creep electric driving boards is shown in figure 1.
The L-shaped isolation plate and the U-shaped isolation plate are used together to form a set of complete isolation insulation device.
SMC-2 materials with large fiber lengths are generally used as insulating materials. The insulating part made of SMC-2 material has high mechanical strength, excellent electrical performance, low shrinkage, flame retardance, electric arc resistance, high electric leakage tracking resistance and heat resistance, can be used for a long time at 155 ℃, and fully utilizes the characteristics of SMC material and the structural characteristics of power modules.
The inter-plate isolation and insulation device is respectively designed into an L shape and/or a U shape, so that when the insulation piece is installed, the mutual isolation between each driving plate is ensured, the insulation task is not only undertaken, but also the effects of increasing the creepage distance between the driving plates and isolating the electrical interference are achieved. Meanwhile, 4 hexagonal cushion columns made of insulating materials are designed between the isolation plate and the driving plate, the hexagonal cushion columns play a role in supporting the driving plate, and electric gaps can be increased.
The invention has the beneficial effects that:
1) the isolation plate is an insulating part, so that the influence of high voltage on the driving plate when the IGBT works is effectively isolated, and the working stability of the driving plate is greatly improved;
2) the electrical interference of horizontal distance and vertical distance is effectively isolated by the L-shaped and U-shaped structural characteristics of the isolation plate;
3) the L-shaped and U-shaped structural characteristics of the isolation plate protect the drive plate and greatly increase the creepage distance on the premise of ensuring space saving.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic diagram of an L-shaped isolation plate according to the present invention.
FIG. 3 is a schematic diagram of a U-shaped isolation plate according to the present invention.
1-horizontal plate, 2-first vertical plate, 3-hexagonal cushion column, 4-second vertical plate, 5-bottom plate, 6-inter-plate isolation column, 7-driving plate, 8-inter-plate isolation column connecting hole and 9-mounting hole.
Detailed Description
An isolation and insulation device between anti-creep electric driving boards comprises an L-shaped isolation board made of insulation materials, wherein the L-shaped isolation board comprises a horizontal board 1 and a first vertical board 2 connected to one end of the horizontal board 1; the upper surface of the horizontal plate 1 is vertically fixed with a hexagonal pad column 3 made of insulating material for fixedly supporting a driving plate 7 at the position close to four vertex angles. The upper end of the hexagonal cushion column 3 is provided with a stud for supporting and fixing the driving plate 7, and the lower end of the hexagonal cushion column 3 is provided with a screw hole for connecting and fixing the driving plate to the horizontal plate 1. The screw hole is provided with an insulating bolt which is arranged in a mounting hole 9 formed on the horizontal plate.
A second vertical plate 4 made of an insulating material is fixed to the other end of the horizontal plate 1 in parallel with the first vertical plate 2.
The horizontal plate 1 is provided with an inter-plate separation column connecting hole 8.
An isolation and insulation device between anti-creep electric driving boards comprises a bottom board 5, wherein a plurality of L-shaped isolation boards made of insulation materials are sequentially arranged on the bottom board 5 along the length direction, and each L-shaped isolation board comprises a horizontal board 1 and a first vertical board 2 connected to one end of the horizontal board 1; a hexagonal pad column 3 made of insulating materials is vertically fixed on the upper surface of the horizontal plate 1 close to the four vertex angles; the bottom plate 5 is connected with each horizontal plate 1 through an inter-plate isolation column 6; the upper end of the hexagonal cushion column 3 is provided with a stud for supporting and fixing the driving plate 7, and the lower end of the hexagonal cushion column 3 is provided with a screw hole for connecting an L-shaped isolation plate; a horizontal plate 1 is arranged between the adjacent L-shaped partition plates at intervals.
At least one horizontal plate 1 has a second vertical plate 4 fixed to the other end thereof, which is parallel to the first vertical plate 2 and made of an insulating material.
The horizontal plate 1 is provided with an inter-plate separation column connecting hole 8; the bottom plate 5 is also provided with a hole, and the two ends of the interplate separation column 6 are provided with clamping grooves; one end of the inter-plate isolation column 6 is arranged in the inter-plate isolation column connecting hole 8 through a clamping groove, and the other end of the inter-plate isolation column is arranged in a hole in the bottom plate 5 through the clamping groove.
The protection device provided by the invention is realized by fully utilizing the spatial structure characteristics of the upper surface of the bottom plate. The isolation device comprises a base plate, a plate isolation column, a drive plate, a hexagonal cushion column and a hexagonal cushion column. The middle part of the bottom plate 5 is of a groove structure, and the L-shaped isolation plates are all arranged in grooves in the middle part of the bottom plate 5. The design structure of the isolation and insulation device between the anti-creep electric driving boards is shown in figure 1.
The anti-creep driving plate isolation insulating device described by the invention passes tests such as pressure resistance and mechanical strength.
Claims (1)
1. An isolation and insulation device between anti-creep electric driving boards is characterized by comprising a bottom board (5), wherein a plurality of L-shaped isolation boards made of insulation materials are sequentially arranged on the bottom board (5) along the length direction, and each L-shaped isolation board comprises a horizontal board (1) and a first vertical board (2) connected to one end of the horizontal board (1); the upper surface of the horizontal plate (1) is respectively and vertically fixed with a hexagonal pad column (3) which is made of insulating materials and used for increasing the electric clearance at the positions close to the four vertex angles; the bottom plate (5) is connected with each horizontal plate (1) through an inter-plate isolation column (6); the upper end of the hexagonal cushion column (3) is provided with a stud for supporting and fixing the driving plate (7), and the lower end of the hexagonal cushion column (3) is provided with a screw hole for connecting the L-shaped isolation plate; wherein,
a second vertical plate (4) which is parallel to the first vertical plate (2) and made of insulating materials is fixed at the other end of the horizontal plate (1) which is positioned at the tail end of the bottom plate (5) in the length direction;
the horizontal plate (1) is provided with an inter-plate isolation column connecting hole (8); the bottom plate (5) is also provided with a hole, and the two ends of the interplate separation column (6) are provided with clamping grooves; one end of the inter-plate isolation column (6) is arranged in the inter-plate isolation column connecting hole (8) through a clamping groove, and the other end of the inter-plate isolation column is arranged in a hole on the bottom plate (5) through the clamping groove;
the middle part of the bottom plate (5) is of a groove structure, and the L-shaped isolation plates are all arranged in the grooves in the middle part of the bottom plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510235402.4A CN104935149B (en) | 2015-05-11 | 2015-05-11 | Isolate seal between anti-tracking driving plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510235402.4A CN104935149B (en) | 2015-05-11 | 2015-05-11 | Isolate seal between anti-tracking driving plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104935149A CN104935149A (en) | 2015-09-23 |
| CN104935149B true CN104935149B (en) | 2017-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510235402.4A Active CN104935149B (en) | 2015-05-11 | 2015-05-11 | Isolate seal between anti-tracking driving plate |
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| Country | Link |
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| CN (1) | CN104935149B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336474B (en) * | 2019-07-17 | 2021-09-03 | 阳光电源股份有限公司 | Power module system and photovoltaic inverter system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533258U (en) * | 2009-09-27 | 2010-07-21 | 北京东标电子有限公司 | Insulated gate double-pole transistor control system |
| CN201663541U (en) * | 2010-04-02 | 2010-12-01 | 长沙学院 | Driving control unit box of IGB power module |
| CN201821282U (en) * | 2010-09-08 | 2011-05-04 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter mounting structure |
| CN202425206U (en) * | 2011-11-25 | 2012-09-05 | 中国北车股份有限公司大连电力牵引研发中心 | Integration insulated gate bipolar transistor (IGBT) driving circuit board |
| CN203706039U (en) * | 2013-12-18 | 2014-07-09 | 慧创科技有限公司 | server chassis |
-
2015
- 2015-05-11 CN CN201510235402.4A patent/CN104935149B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201533258U (en) * | 2009-09-27 | 2010-07-21 | 北京东标电子有限公司 | Insulated gate double-pole transistor control system |
| CN201663541U (en) * | 2010-04-02 | 2010-12-01 | 长沙学院 | Driving control unit box of IGB power module |
| CN201821282U (en) * | 2010-09-08 | 2011-05-04 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter mounting structure |
| CN202425206U (en) * | 2011-11-25 | 2012-09-05 | 中国北车股份有限公司大连电力牵引研发中心 | Integration insulated gate bipolar transistor (IGBT) driving circuit board |
| CN203706039U (en) * | 2013-12-18 | 2014-07-09 | 慧创科技有限公司 | server chassis |
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| Publication number | Publication date |
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| CN104935149A (en) | 2015-09-23 |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |