CN205622527U - Full-sealed current conversion assembly - Google Patents
Full-sealed current conversion assembly Download PDFInfo
- Publication number
- CN205622527U CN205622527U CN201620460287.0U CN201620460287U CN205622527U CN 205622527 U CN205622527 U CN 205622527U CN 201620460287 U CN201620460287 U CN 201620460287U CN 205622527 U CN205622527 U CN 205622527U
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- CN
- China
- Prior art keywords
- interface line
- heat dissipation
- hermetically sealed
- change
- sealing shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006243 chemical reaction Methods 0.000 title description 2
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 239000000084 colloidal system Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000010622 cold drawing Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 abstract description 3
- 238000004382 potting Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
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- Rectifiers (AREA)
Abstract
The application discloses a totally-enclosed commutation component, which comprises a closed shell and a commutation circuit arranged in the closed shell, wherein a hole between the closed shell and the commutation circuit is filled with a potting colloid in a potting way, the commutation circuit comprises a heat dissipation cold plate, a plurality of rectifier element input interface lines and a plurality of rectifier element output interface lines, and the plurality of rectifier elements are all arranged on the heat dissipation cold plate and connected into a three-phase bridge circuit; the input interface line is connected with the input end of the three-phase bridge circuit, at least one part of the input interface line is positioned outside the closed shell and is used for connecting a three-phase alternating current power supply; the output interface line is connected with the output end of the three-phase bridge circuit, and at least one part of the output interface line is positioned outside the closed shell and is used for connecting a direct current bus. Because the totally closed change of current subassembly that this application provided can make change of current circuit completely isolated with external world through shell and casting glue with change of current circuit whole cladding to can avoid receiving the influence of external humidity and dust and work steadily.
Description
Technical field
The application relates to electric and electronic technical field, more particularly, it relates to a kind of hermetically sealed change of current assembly.
Background technology
Change of current assembly is a kind of relatively conventional electric device, wherein include multiple electrical equipment and for
Connect connecting line or the copper bar of these elements, be used for as converter power transformer, converter, reactive-load compensator etc.
Electrical equipment provides rectification or inversion service.Change of current assembly as a kind of basic device is the most necessary
Ensure its working stability, otherwise can be to the normal work strip of converter power transformer, converter or reactive-load compensator
Carry out fatal impact, and humidity and dust all can produce strong influence to the steady operation of change of current assembly,
Especially because change of current assembly must be cooled down in the course of the work, the condensation that cooling produces likely is made
Between electrical equipment, short circuit or open circuit fault occur in one-tenth change of current assembly.
Utility model content
In view of this, the application provides a kind of hermetically sealed change of current assembly, is easily subject to solving existing change of current assembly
Moist or the impact of dust and cause cannot the problem of steady operation.
To achieve these goals, it is proposed that scheme as follows:
A kind of hermetically sealed change of current assembly, including sealing shell and the change of current within being arranged on described sealing shell
Circuit, in the hole between described sealing shell and described converter circuit, embedding has an embedding colloid, wherein,
Described converter circuit includes:
Heat dissipation cold plate；
It is arranged on described heat dissipation cold plate and connects into multiple rectifier cells of three-phase bridge circuit；
The input interface line line being connected with the input of described three-phase bridge circuit, described input interface line
The outside remaining at least partially within described sealing shell, for connecting three-phase alternating-current supply；
The output interface line being connected with the outfan of described three-phase bridge circuit, described output interface line
Remain at least partially within the outside of described sealing shell, for connecting dc bus.
Optionally, described sealing shell is sheet metal shell.
Optionally, described embedding colloid is the polyurethane composition of solidification.
Optionally, described input interface line is copper bar line.
Optionally, described output interface line is stack bus bar line.
Optionally, described rectifier cell is diode element, thyristor or IGBT element.
Optionally, described heat dissipation cold plate is heat-dissipating aluminium plate or heat radiation copper coin.
Optionally, it is provided with heat dissipation copper pipe in described heat dissipation cold plate, wherein:
The two ends of described heat dissipation copper pipe are arranged on the outside of described sealing shell, for connecting cooling device
Coolant interface.
From above-mentioned technical scheme it can be seen that this application discloses a kind of totally-enclosed change of current assembly, this group
Part includes sealing shell and is arranged on the converter circuit within sealing shell, at sealing shell and converter circuit
Between hole in embedding have an embedding colloid, wherein, converter circuit includes heat dissipation cold plate, multiple rectification unit
Part input interface line and output interface line, multiple rectifier cells are arranged on heat dissipation cold plate and connect into three
Phase bridge circuit；Input interface line is connected with the input of three-phase bridge circuit, its at least some of position
In the outside of sealing shell, it is used for connecting three-phase alternating-current supply；Output interface line and three-phase bridge circuit
Outfan is connected, and it remains at least partially within the outside of described sealing shell, is used for connecting dc bus.
Converter circuit entirety can be given by the totally-enclosed change of current assembly provided due to the application by shell and casting glue
With cladding, converter circuit is made to completely cut off completely with the external world such that it is able to avoid by extraneous humidity and dust
Impact and stably work.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the application, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic perspective view of a kind of totally-enclosed change of current assembly that Fig. 1 provides for the embodiment of the present application；
The circuit diagram of the three-phase bridge circuit that Fig. 2 provides for the embodiment of the present application；
The sectional view of the totally-enclosed change of current assembly that Fig. 3 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out
Clearly and completely describe, it is clear that described embodiment is only some embodiments of the present application, and
It is not all, of embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
The schematic perspective view of a kind of hermetically sealed change of current assembly that Fig. 1 provides for the embodiment of the present application.
As it is shown in figure 1, the hermetically sealed change of current assembly that the present embodiment provides is applied to converter power transformer, frequency conversion
The electrical equipment such as device, reactive-load compensator, for providing rectification or inversion service for this electrical equipment, specifically
Including sealing shell 10 and the converter circuit being arranged in sealing shell, and at sealing shell and converter circuit
Between space in be perfused with embedding colloid.
The effect of sealing shell 10 is the barrier providing ground floor for internal change of current electric current, the most directly makees
There is provided outer limit with being used to embedding colloid, facilitate potting operation.Outside the preferred panel beating of sealing shell 10
Shell.The intrapore embedding colloid optimization polyurethane being potted between sealing shell 10 and converter circuit is combined
Thing, is liquid under this complex room temperature, and convenient perfusion in sealing shell, then after room temperature or heating
Being cured as thermosetting polymer composite, this complex is coated on around converter circuit, it is possible to make change of current electricity
Strictly insulate with surrounding in road.
It is arranged on the converter circuit within sealing shell 10 and includes heat dissipation cold plate 21 and to be arranged on this heat radiation cold
Multiple rectifier cells 22 on plate 21, multiple rectifier cells are connected to become three-phase bridge circuit, for three
Cross streams electricity carries out rectification, exports DC voltage.Rectifier cell 22 generally 6, its circuit connection diagram
As in figure 2 it is shown, rectifier cell 22 can select can provide the heavy-duty diode element of rectification function,
Thyristor or IGBT element, the present embodiment preferred IGBT element.
The rectifier cell 22 that on converter circuit, each two is directly connected constitutes a brachium pontis, three brachium pontis parallel connections
Form complete three-phase bridge circuit.The input of three-phase bridge circuit connects input interface line 23, by
Then three-phase, correspondingly input interface line has three, and it is whole that input interface line is additionally operable on single brachium pontis
The both positive and negative polarity of fluid element is connected, and input interface line 13 stretches out this sealing shell 10 at least partially, uses
In the connecting line as change of current assembly Yu power line, as shown in Figure 3.Operating current due to converter circuit
Generally large, the copper bar line that therefore preferred cross-sections is bigger is as input interface line 23.
The outfan of three-phase bridge circuit connects output interface line 24, a part for output interface line 24
241 stretch out sealing shell 10, for the connectivity port as commutation components Yu dc bus.Also due to
The operating current of output interface line 24 is relatively big, therefore selects stack bus bar line as this output interface line.
From technique scheme it can be seen that present embodiments provide a kind of totally-enclosed change of current assembly, this group
Part includes sealing shell and is arranged on the converter circuit within sealing shell, at sealing shell and converter circuit
Between hole in embedding have an embedding colloid, wherein, converter circuit includes heat dissipation cold plate, multiple rectification unit
Part input interface line and output interface line, multiple rectifier cells are arranged on heat dissipation cold plate and connect into three
Phase bridge circuit；Input interface line is connected with the input of three-phase bridge circuit, its at least some of position
In the outside of sealing shell, it is used for connecting three-phase alternating-current supply；Output interface line and three-phase bridge circuit
Outfan is connected, and it remains at least partially within the outside of described sealing shell, is used for connecting dc bus.
Converter circuit entirety can be given by the totally-enclosed change of current assembly provided due to the application by shell and casting glue
With cladding, converter circuit is made to completely cut off completely with the external world such that it is able to avoiding by extraneous humidity and dirt
Soil impact and stably work.
Further, since by this totally-enclosed change of current assembly outside sealing shell only retain input connecting line and
Output connecting line, so that the wiring work of workmen is greatly simplified, same because this assembly is formed
A kind of modular electrical equipment, it is also possible to make electricity cabinet designer be easier to that electricity cabinet is carried out structuring and set
Meter.
Heat dissipation cold plate 21 in the application can select heat-dissipating aluminium plate or heat radiation copper coin, is in cost consideration,
The preferred heat-dissipating aluminium plate of the application, and in heat-dissipating aluminium plate, it is provided with heat dissipation copper pipe, the two ends of heat dissipation copper pipe
Stretch out the outside of sealing shell 10, for being connected with the coolant interface of heat dissipation equipment, in order to make coolant stream
Cross inside heat-dissipating aluminium plate, the heat that converter circuit produces is taken away.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this Shen
Please.Multiple amendment to these embodiments will be apparent from for those skilled in the art,
Generic principles defined herein can be in the case of without departing from spirit herein or scope, at it
Its embodiment realizes.Therefore, the application is not intended to be limited to the embodiments shown herein, and
It is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (8)
1. a hermetically sealed change of current assembly, it is characterised in that include sealing shell and be arranged on described airtight
Converter circuit within shell, in the hole between described sealing shell and described converter circuit, embedding has
Embedding colloid, wherein, described converter circuit includes:
Heat dissipation cold plate；
It is arranged on described heat dissipation cold plate and connects into multiple rectifier cells of three-phase bridge circuit；
The input interface line line being connected with the input of described three-phase bridge circuit, described input interface line
The outside remaining at least partially within described sealing shell, for connecting three-phase alternating-current supply；
The output interface line being connected with the outfan of described three-phase bridge circuit, described output interface line
Remain at least partially within the outside of described sealing shell, for connecting dc bus.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described sealing shell is
Sheet metal shell.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described embedding colloid is
The polyurethane composition of solidification.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described input interface line
For copper bar line.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described output interface line
For stack bus bar line.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described rectifier cell is
Diode element, thyristor or IGBT element.
Hermetically sealed change of current assembly the most as claimed in claim 1, it is characterised in that described heat dissipation cold plate is
Heat-dissipating aluminium plate or heat radiation copper coin.
8. the hermetically sealed change of current assembly as described in any one of claim 1～6, it is characterised in that described scattered
It is provided with heat dissipation copper pipe, wherein in hot cold drawing:
The two ends of described heat dissipation copper pipe are arranged on the outside of described sealing shell, for connecting cooling device
Coolant interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460287.0U CN205622527U (en) | 2016-05-18 | 2016-05-18 | Full-sealed current conversion assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460287.0U CN205622527U (en) | 2016-05-18 | 2016-05-18 | Full-sealed current conversion assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622527U true CN205622527U (en) | 2016-10-05 |
Family
ID=57023689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620460287.0U Active CN205622527U (en) | 2016-05-18 | 2016-05-18 | Full-sealed current conversion assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811787A (en) * | 2016-05-18 | 2016-07-27 | 珠海格力电器股份有限公司 | Full-sealed current conversion assembly |
-
2016
- 2016-05-18 CN CN201620460287.0U patent/CN205622527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811787A (en) * | 2016-05-18 | 2016-07-27 | 珠海格力电器股份有限公司 | Full-sealed current conversion assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |