CN209461168U - Lamination copper bar and inverter circuit - Google Patents
Lamination copper bar and inverter circuit Download PDFInfo
- Publication number
- CN209461168U CN209461168U CN201822146418.XU CN201822146418U CN209461168U CN 209461168 U CN209461168 U CN 209461168U CN 201822146418 U CN201822146418 U CN 201822146418U CN 209461168 U CN209461168 U CN 209461168U
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- copper bar
- terminals
- inverter
- copper
- lamination
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 167
- 239000010949 copper Substances 0.000 title claims abstract description 167
- 238000003475 lamination Methods 0.000 title claims abstract description 39
- 238000009434 installation Methods 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 15
- 238000012913 prioritisation Methods 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The utility model relates to inverter circuit technical fields, provide a kind of lamination copper bar, including consistent three copper bars of shape, each copper bar all has sequentially connected head, middle part and tail portion, the head has the output end for connecting threephase load, and the tail portion has the input terminal for connecting inverter；Three copper bars stack in the same direction, and two sections of adjacent middle parts become placed against, and each head and each tail portion are successively arranged side by side.A kind of inverter circuit, including threephase load and inverter are also provided, further include above-mentioned lamination copper bar, the head of each copper bar is electrically connected with the threephase load, and the tail portion of each copper bar is electrically connected with the output end of the inverter；The middle part of each copper bar is equipped with the terminals for connecting filter circuit or reactive power compensation circuit.The utility model can greatly reduce occupied space by stacking copper bar, be conducive to the miniaturization for promoting power electronic equipment.
Description
Technical field
The utility model relates to inverter circuit technical field, specially a kind of lamination copper bar and inverter circuit.
Background technique
Copper bar is also known as copper bus-bar or copper bus-bar, is made by copper material, and section is rectangle or chamfering (fillet) rectangle
Long conductor (typically now all use fillet copper bar, in order to avoid generate point discharge), play conveying electric current in circuit and connection be electrical
The effect of equipment.Copper bar is widely used in electrical equipment, especially complete power distribution equipment；Generally in power distribution cabinet
U, V, W phase busbar and PE busbar be all made of copper bar；Copper bar generally indicates phase color letter designations in use or is coated with phase colored paint,
U phase copper bar is coated with " Huang " color, and V phase copper bar is coated with " green " color, and W phase copper bar is coated with " red " color, and PE bus bar copper row is coated with " yellowish green phase
Between " double-colored.Copper bar is suitable for high and low voltage electrical equipment, switch contact, controller switching equipment, bus duct as a kind of conducting heavy current product
Etc. electro-engineerings, be also widely used in the super-large currents electrolysis for production engineerings such as metal smelt, electrochemical plating, chemical industry caustic soda.Electrician's copper
Row have many advantages, such as resistivity it is low, can bending degree it is big.
Existing copper is arranged using the mode for gradually arranging connection, and the copper bar between AC output terminal and main circuit is side by side
It arranges, this layout type is not high for the utilization rate in space.Meanwhile existing copper bar generallys use and winds insulating tape outside copper bar
Or insulating sleeve, it is time-consuming and laborious, it is easy to wear, and heat dissipation performance is poor.
Utility model content
The purpose of this utility model is to provide a kind of lamination copper bar and inverter circuits, can be with by stacking copper bar
Occupied space is greatly reduced, the miniaturization for promoting power electronic equipment is conducive to.
To achieve the above object, the utility model embodiment provides the following technical solutions: a kind of lamination copper bar, including shape
Consistent three copper bars, each copper bar all have sequentially connected head, middle part and tail portion, and the head, which has, to be used
In the output end of connection threephase load, the tail portion has the input terminal for connecting inverter；Three copper bars are folded in the same direction
It puts, two sections of adjacent middle parts become placed against, and each head and each tail portion are successively arranged side by side.
Further, the middle part of each copper bar is vertically arranged；The head of each copper bar is Z
Character form structure, the starting point of the lower part of the zigzag structure is vertical with the middle part to be connect；The tail of each copper bar
Portion is L-shaped structure, and the starting point of the horizontal segment of the L-shaped structure is vertical with the middle part to be connect.
Further, each copper bar surface is coated with epoxy powder.
Further, each copper bar is c-type structure, I type structure, L-type structure, S type structure, U-shaped structure, V-type knot
Structure or Z-type structure.
The utility model embodiment provides another technical solution: a kind of inverter circuit, including threephase load and inversion
Device further includes above-mentioned lamination copper bar, and the head of each copper bar is electrically connected with the threephase load, the tail of each copper bar
Portion is electrically connected with the output end of the inverter；The middle part of each copper bar is equipped with for connecting filter circuit or idle
The terminals of compensation circuit.
Further, the terminals of one of them copper bar are the first single hole terminals, the first single hole terminals
There are two quantity, and is spaced setting；The terminals of other two copper bar are the first diplopore terminals, the lamination copper bar
Two the first diplopore terminals be respectively positioned between two the first single hole terminals, two adjacent holes cooperatively form
For the mounting hole of the electrical component installation in the filter circuit or the reactive power compensation circuit.
Further, the terminals of three copper bars are the second single hole terminals, are equipped on the lamination copper bar outer
Fishplate bar, the extemal plate tool is there are three the first pin and for electrical in the filter circuit or the reactive power compensation circuit
Three second pins of wherein one end installation of element, three second pins are sequentially communicated, and three first pins are mutual
It is mutually independent, and connect one to one with three the second single hole terminals, the other end of the electrical component is mounted on three
On a copper bar.
Further, the connection between the electrical component and the mounting hole is to be detachably connected.
It further, further include four bridge wall current inverter of three-phase, the extemal plate has third pin, the third pin
It is connected to the second pin, the end PV of the four bridge wall current inverter of three-phase is connected to the third pin.
Further, each terminals, which rivet, conductive copper.
Compared with prior art, the utility model has the beneficial effects that can greatly reduce and account for by stacking copper bar
With space, be conducive to the miniaturization for promoting power electronic equipment.
Detailed description of the invention
Fig. 1 is the c-type lamination copper bar positive structure schematic of the utility model；
Fig. 2 is the c-type lamination copper bar side structure schematic diagram of the utility model；
Fig. 3 is the positive structure schematic of the c-type lamination copper bar with terminals of the utility model；
Fig. 4 is the side structure schematic diagram of the c-type lamination copper bar with terminals of the utility model；
Fig. 5 is the structural schematic diagram of the first copper bar in the c-type lamination copper bar with terminals of the utility model；
Fig. 6 is the structural schematic diagram of the second copper bar in the c-type lamination copper bar with terminals of the utility model；
Fig. 7 is the structural schematic diagram of third copper bar in the c-type lamination copper bar with terminals of the utility model；
Fig. 8 is the application schematic diagram of the c-type lamination copper bar with terminals of the utility model；
Fig. 9 is the positive structure schematic of the c-type lamination copper bar with extemal plate of the utility model；
Figure 10 is the side structure schematic diagram of the c-type lamination copper bar with extemal plate of the utility model；
Figure 11 is the structural schematic diagram of the first copper bar in the c-type lamination copper bar with extemal plate of the utility model；
Figure 12 is the structural schematic diagram of the second copper bar in the c-type lamination copper bar with extemal plate of the utility model；
Figure 13 is the structural schematic diagram of third copper bar in the c-type lamination copper bar with extemal plate of the utility model；
Figure 14 is the structural schematic diagram of the extemal plate of the utility model；
Figure 15 is the application schematic diagram of the c-type lamination copper bar with extemal plate of the utility model；
Figure 16 is the circuit connection diagram of the c-type lamination copper bar with extemal plate of the utility model；
Figure 17 is the structural schematic diagram of the extemal plate with the 4th pin of the utility model；
Figure 18 is the circuit connection diagram of the extemal plate with the 4th pin of the utility model；
In appended drawing reference: the first copper bar of 1-；The output end of the first copper bar of 101-；The input terminal of the first copper bar of 102-；103-
The terminals of first copper bar；The second copper bar of 2-；The output end of the second copper bar of 201-；The input terminal of the second copper bar of 202-；203-
The terminals of two copper bars；3- third copper bar；The output end of 301- third copper bar；The input terminal of 302- third copper bar；303- third
The terminals of copper bar；4- capacitor；401- first capacitor；The second capacitor of 402-；403- third capacitor；5- extemal plate；501- first
Pin；502- second pin；503- third pin；6- inverter；7- direct current inputs composite bus bar；8- direct current input line.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment provides a kind of lamination copper bar, including consistent three copper of shape
Row, each copper bar all have sequentially connected head, middle part and tail portion, and the head has negative for connecting three-phase
The output end of load, the tail portion have the input terminal for connecting inverter；Three copper bars stack in the same direction, and adjacent two sections
The middle part becomes placed against, and each head and each tail portion are successively arranged side by side.In the present embodiment, in order to just
In description, three copper bars are respectively defined as the first copper bar 1, the second copper bar 2 and third copper bar 3, three copper dish are in sequence
It successively stacks, and these three copper bars can be designed to by c-type structure, I type structure, L-type according to the difference of practical application
Structure, S type structure, U-shaped structure, V-structure or Z-type structure, but it can be divided into three sections eventually, and following embodiment enumerates shape
The case where shape is c-type structure.And for ease of description, it is defined as head, middle part and tail portion, wherein the head of each copper bar
Portion, the i.e. output end 301 of the output end 101 of the first copper bar, the output end 201 of the second copper bar and third copper bar can be with three
Phase load electrical connection, the tail portion of each copper bar, the i.e. input terminal 102 of the first copper bar, the input terminal 202 of the second copper bar and third copper
The input terminal 302 of row can be electrically connected with inverter, and in lamination, three copper bars stack in the same direction, and three middle parts are tight each other
It is sticked and sets, and each head and each tail portion are successively arranged side by side, and after three copper bars stack, are bonded by glue, it is folded to be formed
Layer copper bar, can achieve the purpose saved space to greatest extent, reduce cost.
The following are specific embodiments:
The structure for refining above-mentioned copper bar, please refers to Fig. 1 and Fig. 2, and the middle part of each copper bar is vertically arranged；
The head of each copper bar is zigzag structure, and the starting point of the lower part of the zigzag structure and the middle part hang down
It is direct-connected to connect；The tail portion of each copper bar is L-shaped structure, the starting point of the horizontal segment of the L-shaped structure and it is described in
Between portion vertically connect.In the present embodiment, the middle part of copper bar is laminated structure, therefore can be bonded each other between them, by
In head and tail portion it is wide facing towards direction from middle part it is wide facing towards direction it is different, therefore after stacking, each head
Be arranged side by side with each tail portion, it is preferred that head and tail portion it is wide facing towards direction perpendicular to middle part it is wide facing towards side
To the structure of copper bar after stacking can be made more compact.In addition, it is straight panel that the vertical section of the L-shaped structure of tail portion, which is not, it has
Certain curvature, in order to be connect with other electrical components.
As the prioritization scheme of the utility model embodiment, each copper bar surface is coated with epoxy powder.Every
The surface of a copper bar carries out epoxy powder pyrolytic coating covering treatment, can achieve the effect of sealing and insulation, usually sprays
Thickness can achieve the pressure resistance of 10kV or more between 0.6-0.9mm, and the spraying will not influence copper bar heat dissipation, Jin Erti
The availability and reliability of component are risen.
Fig. 1-16 is please referred to, the utility model embodiment provides a kind of inverter circuit, it includes threephase load, inverter,
And above-mentioned lamination copper bar.The head of each copper bar is electrically connected with the threephase load, and the tail portion of each copper bar is equal
It is electrically connected with the output end of the inverter 6；The middle part of each copper bar is equipped with for connecting filter circuit or idle benefit
Repay the terminals of circuit.In the present embodiment, which uses above-mentioned lamination copper bar, so that circuit integrally occupies face
Product becomes smaller, and can achieve the purpose saved space to greatest extent, reduce cost.
Above scheme is advanced optimized, Fig. 3-8 is please referred to, the terminals of one of them copper bar are the first single hole wiring
End, there are two the quantity of the first single hole terminals, and is spaced setting；The terminals of other two copper bar are first
Diplopore terminals, the first diplopore terminals of two of the lamination copper bar be respectively positioned on two the first single hole terminals it
Between, two adjacent holes cooperatively form the installation for the electrical component installation in the filter circuit or the reactive power compensation circuit
Hole.In the present embodiment, for the convenience of description, the terminals 103 of the first copper bar and the terminals 203 of the second copper bar are first
The terminals 303 of diplopore terminals, third copper bar are the first single hole terminals, and after stacking, two the first diplopore terminals are equal
Between two the first single hole terminals, six holes can be so formed, it, can shape per two adjacent holes since head end
At a mounting hole for electrical component installation, six holes can form three mounting holes altogether, which includes capacitor 4
Or inductance etc..Such as electrical component be capacitor 4 when, for the convenience of description, having first capacitor 4, the second capacitor 402 and third capacitor
403, first capacitor 4 is connected between the terminals 303 of third copper bar and the terminals 203 of the second copper bar, the second copper bar connects
The second capacitor 402, the terminals 103 and third copper of the first copper bar are connected between line end 203 and the terminals 103 of the first copper bar
It is connected with third capacitor 403 between the terminals 303 of row, it, can be in order to the peace of the electrical component in circuit by this design
Dress.Preferably, the input terminal of inverter 6 inputs composite bus bar 7 by direct current and is connected with direct current input line 8.
As the prioritization scheme of the utility model embodiment, the terminals of three copper bars are the second single hole wiring
It holds, extemal plate 5 is installed, the tool of extemal plate 5 is there are three the first pin 501 and for the filtering on the lamination copper bar
Three second pins 502 of wherein one end of circuit or the electrical component in reactive power compensation circuit installation, three described the
Two pins 502 are sequentially communicated, and three first pins 501 are independent mutually, and one by one with three the second single hole terminals
It is correspondingly connected with, the other end of the electrical component is mounted on three copper bars.In the present embodiment, for the ease of retouching
It states, the terminals 303 of the terminals 103 of the first copper bar, the terminals 203 of the second copper bar and third copper bar are the second single hole
Terminals, therefore need to install extemal plate 5 on the lamination copper bar also to provide remaining connection pin.Three of extemal plate 5
Second pin 502 is sequentially communicated, so that this one end of electrical component on them also connects altogether, for example, working as electrical component
When for capacitor 4, for ease of description, wherein one end of first capacitor 4, the second capacitor 402 and third capacitor 403 is separately connected
In three second pins 502, the other end of first capacitor 4 is connected on the first copper bar 1, the second capacitor 402 it is another
End is connected on the second copper bar 2, and the other end of third capacitor 403 is connected on third copper bar 3.Three the first pins 501 are mutually
Independent, they connect one to one with three the second single hole terminals, it is preferred that are bolted between them.Such as Figure 16
For three-phase current type Buck-Boost inverter circuit.
As the prioritization scheme of the utility model embodiment, the connection between the electrical component and the mounting hole is can
Dismantling connection.In the present embodiment, this connection type detachably changed can replace capacitor 4, electricity according to practical debugging result
The model of the elements such as sense, realizes optimal value, solves traditional electric elements and be welded in circuit or be directly anchored in busbar,
Need to dismantle entire busbar, the technical problem of installation maintenance inconvenience when replacing capacitor 4.
As the prioritization scheme of the utility model embodiment, Figure 17 and Figure 18 are please referred to, this inverter circuit further includes three-phase
Four bridge wall current inverters, the extemal plate 5 have third pin 503, the third pin 503 and the second pin 502
Connection, the end PV of the four bridge wall current inverter of three-phase is connected to the third pin 503.In the present embodiment, if this
Three pins 503 make this circuit form as shown in figure 18 three so that this circuit can also connect three-phase four-arm current inverter
Phase four bridge legs current inversion circuit.
As the prioritization scheme of the utility model embodiment, each terminals, which rivet, conductive copper.In this reality
It applies in example, by riveting copper ring, conductive capability can be increased.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of lamination copper bar, including consistent three copper bars of shape, it is characterised in that: each copper bar, which all has, successively to be connected
Head, middle part and the tail portion connect, the head have the output end for connecting threephase load, and the tail portion, which has, to be used for
Connect the input terminal of inverter；Three copper bars stack in the same direction, and two sections of adjacent middle parts become placed against, each head
Portion and each tail portion are successively arranged side by side.
2. lamination copper bar as described in claim 1, it is characterised in that: the middle part of each copper bar is set vertically
It sets；The head of each copper bar is zigzag structure, the starting point and the centre of the lower part of the zigzag structure
Portion vertically connects；The tail portion of each copper bar is L-shaped structure, the starting point of the horizontal segment of the L-shaped structure and institute
Middle part is stated vertically to connect.
3. lamination copper bar as described in claim 1, it is characterised in that: each copper bar surface is coated with epoxy powder.
4. lamination copper bar as described in claim 1, it is characterised in that: each copper bar is c-type structure, I type structure, L
Type structure, S type structure, U-shaped structure, V-structure or Z-type structure.
5. a kind of inverter circuit, including threephase load and inverter, it is characterised in that: further include as claim 1-4 is any
The head of the lamination copper bar, each copper bar is electrically connected with the threephase load, and the tail portion of each copper bar is and institute
State the output end electrical connection of inverter；The middle part of each copper bar is equipped with for connecting filter circuit or reactive power compensation circuit
Terminals.
6. inverter circuit as claimed in claim 5, it is characterised in that: the terminals of one of them copper bar are the first single hole
Terminals, there are two the quantity of the first single hole terminals, and is spaced setting；The terminals of other two copper bar are
First diplopore terminals, the first diplopore terminals of two of the lamination copper bar are respectively positioned on two the first single hole wiring
Between end, two adjacent holes are cooperatively formed for the electrical component installation in the filter circuit or the reactive power compensation circuit
Mounting hole.
7. inverter circuit as claimed in claim 5, it is characterised in that: the terminals of three copper bars are that the second single hole connects
Line end is equipped with extemal plate on the lamination copper bar, and the extemal plate tool is there are three the first pin and for the filtered electrical
Three second pins of road or the installation of wherein one end of the electrical component in the reactive power compensation circuit, three second pins
It is sequentially communicated, three first pins are independent mutually, and connect one to one with three the second single hole terminals, described
The other end of electrical component is mounted on three copper bars.
8. inverter circuit as claimed in claim 6, it is characterised in that: the connection between the electrical component and the mounting hole
To be detachably connected.
9. inverter circuit as claimed in claim 7, it is characterised in that: it further include four bridge wall current inverter of three-phase, it is described outer
Fishplate bar has third pin, and the third pin is connected to the second pin, the PV of the four bridge wall current inverter of three-phase
End is connected to the third pin.
10. inverter circuit as claimed in claim 5, it is characterised in that: each terminals, which rivet, conductive copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146418.XU CN209461168U (en) | 2018-12-20 | 2018-12-20 | Lamination copper bar and inverter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146418.XU CN209461168U (en) | 2018-12-20 | 2018-12-20 | Lamination copper bar and inverter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461168U true CN209461168U (en) | 2019-10-01 |
Family
ID=68041393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822146418.XU Active CN209461168U (en) | 2018-12-20 | 2018-12-20 | Lamination copper bar and inverter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448888A (en) * | 2018-12-20 | 2019-03-08 | 国家电网有限公司 | Lamination copper bar and inverter circuit |
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2018
- 2018-12-20 CN CN201822146418.XU patent/CN209461168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448888A (en) * | 2018-12-20 | 2019-03-08 | 国家电网有限公司 | Lamination copper bar and inverter circuit |
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