CN207234646U - Power module and frequency converter - Google Patents
Power module and frequency converter Download PDFInfo
- Publication number
- CN207234646U CN207234646U CN201721073561.XU CN201721073561U CN207234646U CN 207234646 U CN207234646 U CN 207234646U CN 201721073561 U CN201721073561 U CN 201721073561U CN 207234646 U CN207234646 U CN 207234646U
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- insulating layer
- power
- power module
- support plate
- insulation
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Abstract
The utility model proposes a kind of power module and frequency converter, wherein, power module includes multiple power components, and the support plate of sustainable power component, connected between multiple power components, the power component is fixedly installed on the top of the support plate, the side of the power component transversely is provided with insulation board, the insulation board is fixedly installed in the support plate, insulating layer is provided between the support plate and the power component, the bottom of the insulating layer is bonded and is fixedly connected with the top of the support plate, the top of the insulating layer is crimped with the bottom of the power component and the insulation board.The utility model class of insulation is high, it is simple in structure, occupy little space and of low cost.
Description
Technical field
The utility model belongs to electric machinery control device technical field, more particularly to a kind of power module and frequency converter.
Background technology
Frequency converter is to apply converter technique and microelectric technique, is handed over by varying motor working power Frequency Patterns to control
The electric control appliance of galvanic electricity motivation, and power cell is the major part for forming high voltage converter major loop.
Existing power cell is used in low pressure (such as below 6000V) frequency converter more, it uses cascade structure, at different levels
Voltage insulation requires smaller.In general, existing power cell is to meet the needs of high pressure (such as more than 6000V) frequency converter,
The power component of class of insulation higher is then needed to change to adapt to the environment of high pressure.
However, since the power component of class of insulation higher is big and of high cost with volume relative to original power component
The characteristics of high, therefore can cause whole power cell and frequency converter knot by the way of the power component of class of insulation higher is replaced
Structure is complicated, occupied space is big and involves great expense；If in addition, not using replace class of insulation higher power component by the way of, meeting
Power cell is set to be subject to major injury because interstage voltage is excessive.Therefore, how on the premise of power component is changed without, improve
The ability that power cell works normally under hyperbaric environment, is the current skill for being badly in need of solving to adapt to the needs of high voltage converter
Art problem.
The content of the invention
The utility model be directed to how on the premise of power component is changed without, improve power cell under hyperbaric environment just
The technical problem of the ability often to work, propose a kind of class of insulation it is high, it is simple in structure, occupy little space and power of low cost
Module, and the frequency converter using the power module.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of power module, including multiple power components, and the support plate of sustainable power component, multiple power
Connected between element, the power component is fixedly installed on the top of the support plate, the side of the power component transversely
Insulation board is provided with, the insulation board is fixedly installed in the support plate, is set between the support plate and the power component
Insulating layer is equipped with, the bottom of the insulating layer is bonded and is fixedly connected with the top of the support plate, the top of the insulating layer
Crimped with the bottom of the power component and the bottom of the insulation board.
Preferably, the insulating layer is flexible insulating layer, the first groove is offered at the top of the support plate, described
Longitudinal extending of one groove along the power component, is fixedly installed insulation strip, the bottom of the insulating layer in first groove
Portion is bonded with the top of the support plate and the inner wall of first groove, the top of the insulating layer and the power component
And the bottom of the insulation strip is bonded, the power component connects at the top of the bottom of described insulation board one end and insulation strip
Touch and be fixedly connected；The utility model power module is flexible insulating layer by setting the insulating layer, and setting described first is recessed
Groove, and the insulation strip is set in first groove, it can further improve in frequency converter between each power cell
Electric clearance and creepage distance, and then improve the ability that power cell works normally under hyperbaric environment.
Preferably, the insulating layer is insulation glue-line.
Preferably, the insulating layer is rigid insulation layer, the bottom of the insulating layer is fixedly connected with the support plate,
The top of the insulating layer is fixedly connected with the insulation board.
Preferably, the insulating layer is aluminium oxide ceramics, aluminium oxide ceramics both has preferable insulation performance, but also with
Preferable heat conductivility, to improve the thermal diffusivity of power module.
Preferably, offer the second groove at the top of the insulation board, second groove is along the power component
Longitudinal extending, electric clearance and creepage distance in frequency converter between each power cell can be further improved with this, and then
Improve the ability that power cell works normally under hyperbaric environment.
Preferably, the heat dissipation channel that can convey heat eliminating medium is offered in the support plate, the one of the heat dissipation channel
Hold to input the entrance of the heat eliminating medium, the other end of the heat dissipation channel is the outlet for exporting the heat eliminating medium.This reality
With new power module by opening up the heat dissipation channel in the support plate, heat dissipation performance can be significantly improved, while working as
The support plate thickness still is able to possess good heat resistance in the case of reducing.
Preferably, the support plate includes the first supporting part and the second supporting part, first support zone is in described
The top of second supporting part, the insulating layer and the insulation board are respectively positioned on first supporting part, and the heat dissipation channel is opened
Arranged on the inside of second supporting part.The utility model power module is by setting first supporting part and second described
Support part, and the heat dissipation channel is arranged in second supporting part, make the component of insulation function and the component of heat sinking function
Between separation and it is non-interference, so as to be laid out more heat dissipation channels, and then radiating efficiency can be further improved.
Preferably, heat dissipation channel is water transport channel, the heat eliminating medium is coolant.
A kind of frequency converter, including above-mentioned power module, the quantity of the power module are arranged to multiple.
Compared with prior art, it is the advantages of the utility model with good effect：
1st, the utility model power module can significantly improve frequency conversion by setting the insulation board and the insulating layer
Electric clearance and creepage distance in device between each power cell, that is, improve the class of insulation, so as to be changed without the work(
On the premise of rate element, the ability that power cell works normally under hyperbaric environment is improved；It is further, since described without needing to change
Power component, and the insulation board and the insulating layer are increase only, therefore ensure that simplification and the low cost of structure
Change；Therefore, the utility model power module insulating grade it is high, it is simple in structure, occupy little space and of low cost, and then be suitable for
Quick industrialization.
2nd, the utility model frequency converter can be significantly improved in frequency converter by setting the insulation board and the insulating layer
Electric clearance and creepage distance between each power cell, that is, improve the class of insulation, so as to be changed without the power member
On the premise of part, the ability that power cell works normally under hyperbaric environment is improved；Further, since nothing needs to change the power
Element, and the insulation board and the insulating layer are increase only, therefore ensure that simplification and the cost degradation of structure；Cause
This, the utility model frequency converter class of insulation is high, it is simple in structure, occupy little space and of low cost, and then suitable for quick production
Industry.
Brief description of the drawings
Fig. 1 is one of overall structure diagram of the utility model power module；
Fig. 2 is along the schematic cross-sectional view in Section A-A direction in Fig. 1；
Fig. 3 is the partial enlargement structural representation of part B in Fig. 2；
Fig. 4 is the two of the overall structure diagram of the utility model power module；
Fig. 5 is along the schematic cross-sectional view of C-C cross-wise directions in Fig. 3；
Fig. 6 is the partial enlargement structural representation of D parts in Fig. 5；
Fig. 7 is the three of the overall structure diagram of the utility model power module；
Fig. 8 is along the schematic cross-sectional view of E-E cross-wise directions in Fig. 7；
Fig. 9 is along the schematic cross-sectional view of F-F cross-wise directions in Fig. 7；
Above in each figure：1st, power component；2nd, support plate；2-1, the first supporting part；2-2, the second supporting part；3rd, insulate
Layer；4th, insulation board；5th, insulation strip；6th, heat dissipation channel.
Embodiment
In the following, the utility model is specifically described by exemplary embodiment.It should be appreciated, however, that do not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
, it is necessary to explanation in the description of the utility model, term " interior ", " outer ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right" are the position relationship shown in based on attached drawing 2, attached drawing 5, attached drawing 8 and attached drawing 9,
It is for only for ease of description the utility model and simplifies and describe, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model；Based on above-mentioned,
The transverse direction of power component described in the utility model is left and right directions, and the longitudinal direction of power component described in the utility model is anteroposterior direction
(i.e. perpendicular to the direction of paper), the vertical of power component described in the utility model is above-below direction.In addition, term " first ",
" second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
Referring to Fig. 1 to Fig. 9, a kind of power module, including multiple power components 1, and the support of sustainable power component 1
Plate 2, (serial or parallel connection) is connected between multiple power components 1 and forms power cell, the power component 1 is fixedly installed on
The top of the support plate 2, the side of the power component 1 transversely are provided with insulation board 4, the insulation board 4 and the branch
Fagging 2 is fixedly connected, and the insulation board 4 is used to isolate different capacity unit, and makes to produce insulation between different capacity unit；Institute
State and insulating layer 3 is provided between support plate 2 and the power component 1, the bottom of the insulating layer 3 and the top of the support plate 2
Portion is bonded and is fixedly connected, and the top of the insulating layer 3 is crimped with the bottom of the power component 1.
The utility model power module can significantly improve frequency converter by setting the insulation board 4 and the insulating layer 3
Electric clearance and creepage distance between interior each power cell, that is, improve the class of insulation, so as to be changed without the power
On the premise of element 1, the ability that power cell works normally under hyperbaric environment is improved；It is further, since described without needing to change
Power component 1, and increase only the insulation board 4 and the insulating layer 3, thus ensure that structure simplification and it is low into
This change；Therefore, the utility model power module insulating grade it is high, it is simple in structure, occupy little space and of low cost, and then be applicable in
In quick industrialization.
As a kind of embodiment of the utility model, as depicted in figs. 1 and 2, the insulation board 4 is preferably aluminium oxide pottery
Porcelain plate, so that the insulation board 4 had both possessed preferable insulating properties, but also with higher thermal conductivity, the insulation board 4 is along described
The straight panel of the Longitudinal extending of power component 1, the quantity of the insulation board 4 are arranged to two, and two insulation boards 4 are located at respectively
The left and right sides side of the power component 1, the insulating layer 3 preferably alumina ceramic plate (or other rigid insulation layers), institute
The top for stating insulating layer 3 offers the 3rd groove, and the bottom of the insulation board 4 is sheathed in the 3rd groove and by gluing
Mode fix, the insulating layer 3 is fixedly connected with the support plate 2, is realized with this and is fixedly installed on the insulation board 4
In the support plate 2.
Based on above-mentioned, as shown in figure 3, the utility model power module makes the electric equipment compartment between each power cell in frequency converter
Gap is a1+a4+a6+a8+a11；The utility model power module makes the creepage distance in frequency converter between each power cell be a2+a3+
a4+a6+a8+a9+a10。
Further as depicted in figs. 1 and 2, in order to improve the class of insulation of power module, the top of the insulation board 4 opens up
There are the second groove, Longitudinal extending of second groove along the power component 1.
Based on above-mentioned, as shown in figure 3, the utility model power module makes the electric equipment compartment between each power cell in frequency converter
Gap is a1+a4+a6+a8+a11；The utility model power module makes the creepage distance in frequency converter between each power cell be a2+a3+
a4+a5+a6+a7+a8+a9+a10。
Therefore, the utility model power module at the top of the insulation board 4 by opening up second groove, Neng Goujin
One step improves the electric clearance and creepage distance between each power cell, can improve the class of insulation of power module, into
And improve the ability that power cell works normally under hyperbaric environment.
As one kind conversion of the above embodiment, as shown in Fig. 4 to Fig. 9, the insulating layer 3 is preferably epoxy resin
(or other insulating cements) layer, can reduce the size vertically of power module with this, and then the occupancy for reducing power module is empty
Between；At this time, the top of the support plate 2 offers the 4th groove, and the bottom of insulation board 4 is sheathed in the 4th groove and leads to
Cross bolted mode to be fixed in the support plate 2, the insulating layer 3 is layed in the top of the support plate 2, described exhausted
The top of edge layer 3 is bonded with the bottom of the insulation board 4 and the power component 1.
Further as shown in Fig. 4 to Fig. 9, the top of the support plate 2 offers the first groove, and first groove is along institute
The Longitudinal extending of power component 1 is stated, the quantity of first groove is arranged to multiple, and multiple first grooves are along the power
The cross direction profiles of element 1, are provided with insulation strip 5 in first groove, the insulation strip 5 is secured by bolts in described first
In groove, it is specifically as follows：As shown in fig. 6, the bottom of the support plate 2 offers first through hole, the insulating layer 3 corresponds to
The first through hole offers the second through hole, and the bottom of the insulation strip 5 offers threaded hole corresponding to second through hole, leads to
Cross after the bar portion of bolt is sequentially passed through the first through hole and second through hole, the threaded hole screw thread with the insulation strip 5
Connection, makes the insulation strip 5 be fixed in first groove, on the one hand the insulation strip 5 plays insulation, on the other hand
Ensure the insulating properties between the power component 1 and the support plate 2, i.e., by the way that retaining element is penetrated the insulating layer 3 after
It is connected with the insulation strip 5, then the power component 1 is fixedly connected in the insulation strip 5, makes the power component 1 and institute
State and remain good insulation between support plate 2, penetrated so as to avoid retaining element after the insulating layer 3 because directly and institute
The phenomenon for stating the connection of power component 1 occurs, while overcomes described in the insulating layer 3 can not fix directly because flexible and ultra-thin
The defects of power component 1, and then ensure that the high-insulation of power module.
Further as shown in Fig. 4 to Fig. 9, the top of the bottom of the insulating layer 3 and the support plate 2 and described first recessed
The inner wall of groove is bonded, and the top of the insulating layer 3 is bonded with the bottom of the power component 1 and the insulation strip 5, described
The bottom of 1 left and right ends of power component crimps and is fixedly connected with the top of the insulation strip 5.
Based on above-mentioned, as shown in fig. 6, the utility model power module makes the electric equipment compartment between each power cell in frequency converter
Gap is a1+a4+a6+a8+a11；The utility model power module makes the creepage distance in frequency converter between each power cell be a2+a3+
a4+a6+a8+a9+a10。
Therefore, the utility model power module is flexible insulating layer by setting the insulating layer 3, and setting described first is recessed
Groove, and the insulation strip 5 is set in first groove, it is possible to increase it is electric between each power cell in frequency converter
Gap and creepage distance, can improve the class of insulation of power module, and then improve power cell under hyperbaric environment just
The ability often to work.
Further as shown in figures 4 and 9, in order to improve the class of insulation of power module, the top of the insulation board 4 opens up
There are the second groove, Longitudinal extending of second groove along the power component 1.
Based on above-mentioned, as shown in fig. 6, the utility model power module makes the electric equipment compartment between each power cell in frequency converter
Gap is a1+a4+a6+a8+a11；The utility model power module makes the creepage distance in frequency converter between each power cell be a2+a3+
a4+a5+a6+a7+a8+a9+a10。
Therefore, the utility model power module at the top of the insulation board 4 by opening up second groove, Neng Goujin
One step improves the electric clearance and creepage distance between each power cell in frequency converter, can improve the insulation of power module
Grade, and then improve the ability that power cell works normally under hyperbaric environment.
One kind as the above embodiment is improved, as shown in Figures 1 to 9, described for the heat dissipation performance of power module
The heat dissipation channel 6 of heat eliminating medium can be conveyed by being offered in support plate 2, and the heat dissipation channel 6 is preferably water transport channel, described at this time
Heat eliminating medium is coolant, and one end of the heat dissipation channel 6 is the entrance for inputting the heat eliminating medium, the heat dissipation channel 6
The other end is exports the outlet of the heat eliminating medium, and the heat dissipation channel 6 is from entrance to exporting reciprocally bending extension.
The utility model power module can significantly improve heat dissipation by opening up the heat dissipation channel 6 in the support plate 2
Performance, while it still is able to possess good heat resistance in the case where being reduced when 2 thickness of support plate.
As preference, as shown in figure 5, the support plate 2 includes the first supporting part 2-1 and the second supporting part 2-2, it is described
First supporting part 2-1 is located at the top of the second supporting part 2-2, and the insulating layer 3 and the insulation board 4 are respectively positioned on described
On one supporting part 2-1, the heat dissipation channel 6 is opened in the inside of the second supporting part 2-2.
The utility model power module is by setting the first supporting part 2-1 and the second supporting part 2-2, and by institute
State heat dissipation channel 6 to be arranged in the second supporting part 2-2, make to separate between the component of insulation function and the component of heat sinking function
And it is non-interference, so as to be laid out more heat dissipation channels 6, and then radiating efficiency can be further improved.
It should be noted that the first supporting part 2-1 and the second supporting part 2-2 can be by different materials system
Into for example, the first supporting part 2-1 is aluminium sheet, the second supporting part 2-2 is steel plate；The first supporting part 2-1 and institute
It can be to be manufactured from the same material to state the second supporting part 2-2, for example, the first supporting part 2-1 and the second supporting part 2-2
It is aluminium sheet or copper coin.
The utility model further relates to a kind of frequency converter, including above-mentioned power module, and the quantity of the power module is arranged to
It is multiple；It can be seen from the above, the utility model frequency converter can be significantly improved by setting the insulation board 4 and the insulating layer 3
Electric clearance and creepage distance between each power cell, that is, improve the class of insulation of power module, so as to be changed without
On the premise of the power component 1, the ability that power cell works normally under hyperbaric environment is improved；Further, since need not
The power component 1 is replaced, and increase only the insulation board 4 and the insulating layer 3, therefore ensure that the simplification of structure
And cost degradation；Therefore, the utility model frequency converter class of insulation it is high, it is simple in structure, occupy little space and of low cost, into
And it is suitable for quick industrialization.
Claims (10)
1. a kind of power module, including multiple power components (1), and the support plate (2) of sustainable power component (1), multiple
Connected between the power component (1), the power component (1) is fixedly installed on the top of the support plate (2), its feature exists
In：The side of the power component (1) transversely is provided with insulation board (4), and the insulation board (4) is fixedly installed on the support
On plate (2), insulating layer (3), the bottom of the insulating layer (3) are provided between the support plate (2) and the power component (1)
It is bonded and is fixedly connected with the top of the support plate (2), the top of the insulating layer (3) and the bottom of the power component (1)
Portion and the crimping of the bottom of the insulation board (4).
2. power module according to claim 1, it is characterised in that：The insulating layer (3) is flexible insulating layer, the branch
Offer the first groove at the top of fagging (2), Longitudinal extending of first groove along the power component (1), described first
Insulation strip (5), the bottom of the insulating layer (3) and the top and described first of the support plate (2) are fixedly installed in groove
The inner wall of groove is bonded, and the top and the bottom of the power component (1) and the insulation strip (5) of the insulating layer (3) are equal
Fitting, the power component (1) is close to the top of the bottom and insulation strip (5) of the insulation board (4) one end and is fixedly connected.
3. power module according to claim 1, it is characterised in that：The insulating layer (3) is insulation glue-line.
4. power module according to claim 1, it is characterised in that：The insulating layer (3) is rigid insulation layer, described exhausted
The bottom of edge layer (3) is fixedly connected with the support plate (2), top and the fixed company of the insulation board (4) of the insulating layer (3)
Connect.
5. power module according to claim 4, it is characterised in that：The insulating layer (3) is aluminium oxide ceramics.
6. power module according to any one of claim 1 to 5, it is characterised in that：Opened at the top of the insulation board (4)
Equipped with the second groove, Longitudinal extending of second groove along the power component (1).
7. power module according to any one of claim 1 to 5, it is characterised in that：Offered in the support plate (2)
The heat dissipation channel (6) of heat eliminating medium can be conveyed, one end of the heat dissipation channel (6) is inputs the entrance of the heat eliminating medium, institute
The other end for stating heat dissipation channel (6) is the outlet of the output heat eliminating medium.
8. power module according to claim 7, it is characterised in that：The support plate (2) includes the first supporting part (2-1)
And second supporting part (2-2), first supporting part (2-1) are located at the top of second supporting part (2-2), the insulating layer
(3) and the insulation board (4) is respectively positioned on first supporting part (2-1), and the heat dissipation channel (6) is opened in described second
The inside of support part (2-2).
9. power module according to claim 7, it is characterised in that：Heat dissipation channel (6) is water transport channel, and the heat dissipation is situated between
Matter is coolant.
A kind of 10. frequency converter, it is characterised in that：Including such as claim 1-9 any one of them power module, the power mould
The quantity of block is arranged to multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073561.XU CN207234646U (en) | 2017-08-25 | 2017-08-25 | Power module and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073561.XU CN207234646U (en) | 2017-08-25 | 2017-08-25 | Power module and frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234646U true CN207234646U (en) | 2018-04-13 |
Family
ID=61857879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721073561.XU Withdrawn - After Issue CN207234646U (en) | 2017-08-25 | 2017-08-25 | Power module and frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317464A (en) * | 2017-08-25 | 2017-11-03 | 青岛中加特变频电机有限公司 | Power model and frequency converter |
-
2017
- 2017-08-25 CN CN201721073561.XU patent/CN207234646U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317464A (en) * | 2017-08-25 | 2017-11-03 | 青岛中加特变频电机有限公司 | Power model and frequency converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Chenglin Inventor after: Liu Xian Inventor after: Ma Fuwan Inventor after: Zhang Hongbo Inventor before: Liu Xian Inventor before: Ma Fuwan Inventor before: Song Chenglin Inventor before: An Yuxi Inventor before: Zhang Hongbo |
|
| CB03 | Change of inventor or designer information | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20191113 |
|
| AV01 | Patent right actively abandoned |