CN202931206U - Direct current busbar specially used for active power filter - Google Patents
Direct current busbar specially used for active power filter Download PDFInfo
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- CN202931206U CN202931206U CN 201220690410 CN201220690410U CN202931206U CN 202931206 U CN202931206 U CN 202931206U CN 201220690410 CN201220690410 CN 201220690410 CN 201220690410 U CN201220690410 U CN 201220690410U CN 202931206 U CN202931206 U CN 202931206U
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- electric capacity
- direct current
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Abstract
Provided is a direct current busbar specially used for an active power filter. An anode plate, a cathode plate and capacitance connecting plates of the direct current busbar are provided with power inverters and a plurality of direct current capacitance connecting conductive holes. An isolation insulating plate and a capacitance insulating plate are correspondingly equipped with a plurality of through holes. The isolation insulating plate is clamped and bonded between the anode plate and the cathode plate. The capacitance connecting plates are bonded on the capacitance insulating plate. Insulating films are bonded and adhered on surfaces of the anode plate, the cathode plate, the capacitance connecting plates and the capacitance insulating plate. Windows are disposed in the corresponding connecting conductive holes. A mode of plane arrangement is fully adopted, and the anode plate, the cathode plate, the capacitance connecting plates, the insulating plates and the insulating films are bonded tightly and smoothly so as to be connected and solidified in an integrated manner, thereby well reducing the size of the direct current busbar, minimizing capacitance impurities, and improving overpressure resistant and insulating properties.
Description
Technical field
The utility model relates to the electric-power filter technical field, particularly a kind of active power filter special DC busbar.
Background technology
In modern power systems, DC master row is as a vitals of active power filter, and it is the bridge that connects power inverter and dc capacitor, is the hinge of energy frequent exchange, conveying.Traditional DC master row, its positive plate, negative plate, isolated insulation plate, electric capacity connecting plate are all often discrete installations, do not closely cooperate together each other, have the problems such as between positive and negative pole plate and insulation board, overlapping area is too small, the gap is excessive, connection is unreliable.Caused traditional DC master row stray inductance amount excessive, transient voltage and the stack of DC loop voltage power inverter switch moment can produce formed peak voltage, and the insulation of power inverter and dc capacitor is consisted of fatal threat.Concerning DC master row, the distributed inductance amount is larger, and load current is larger, and the downslope time of power inverter switch is shorter, and this harm is just more serious.Power inverter was lost efficacy and the dc capacitor damage, have a strong impact on the useful life of active power filter.
The utility model content
The purpose of this utility model is to solve the problem that traditional discrete DC master row volume overlapping area is too small, the gap is excessive, connection is unreliable, inductance is excessive, insulation property are lower, security reliability is low, a kind of integrated design is provided, low inductance, insulation property are high, safe and reliable active power filter special DC busbar.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of active power filter special DC busbar, comprise positive plate, negative plate, electric capacity connecting plate, isolated insulation plate, capacitive insulation plate and dielectric film, wherein positive plate, negative plate, electric capacity connecting plate are provided with the connection conductive hole of several power inverters, dc capacitor; Isolated insulation plate, several through holes of capacitive insulation plate relative set, clipping, bonding isolated insulation plate between positive plate, negative plate, the electric capacity connecting plate is bonded on the capacitive insulation plate, bonding dielectric film on positive plate, negative plate, electric capacity connecting plate, capacitive insulation plate surface arranges corresponding connection conductive hole window on dielectric film.Described active power filter special DC busbar is mainly used in the integrated connection between power inverter, dc capacitor.
Outstanding advantages of the present utility model is:
1, clipping, bonding isolated insulation plate between positive plate, negative plate, the electric capacity connecting plate is bonded on the capacitive insulation plate, and is tight, firm each other, realize integrated connection, curing, can finely reduce the volume of DC master row, reduce stray inductance, improve pressure resistant type and insulating properties.
2, bonding dielectric film on positive plate, negative plate, electric capacity connecting plate, capacitive insulation plate surface, arrange corresponding connection conductive hole window on dielectric film, improved resistance to pressure and insulating properties, and security reliability is high
The utility model is simple in structure, integrated design, easy to process, has easy for installation, low inductance, stable performance, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of active power filter special DC busbar described in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described further.
As shown in Figure 1, active power filter special DC busbar described in the utility model comprises that anodal copper coin 1, negative pole copper coin 2, the first electric capacity connect copper coin 4, the second electric capacity connects copper coin 5, the 3rd electric capacity connection copper coin 11, isolated insulation plate 3, capacitive insulation plate 6 and dielectric film 9.Wherein anodal copper coin 1, negative pole copper coin 2, the first electric capacity connect copper coin 4, the second electric capacity and connect copper coin 5, the 3rd electric capacity and connect copper coin 11 and be provided with several power inverters and connect conductive holes 7 and be connected connection conductive hole 10 with dc capacitor; Isolated insulation plate 3, several through holes 8 of capacitive insulation plate 6 relative set.Clipping, bonding isolated insulation plate 3, the first electric capacity connect copper coin 4 between anodal copper coin 1, negative pole copper coin 2, the second electric capacity connects copper coin 5 and is bonded on capacitive insulation plate 6 with the 3rd electric capacity connection copper coin 11, the tightly pressing of recycling heat pressing process.Then connect copper coin 4, the second electric capacity connection copper coin 5, the 3rd electric capacity connection copper coin 11, the surperficial bonding dielectric film 9 of capacitive insulation plate 6 at anodal copper coin 1, negative pole copper coin 2, the first electric capacity, corresponding connection conductive hole window 12 is set on dielectric film 9, is convenient to power inverter, dc capacitor connection.The utility model is mainly used in the integrated connection between power inverter, dc capacitor.
Concrete manufacture method illustrates as follows:
1, by shown in Figure 1, process respectively an anodal copper coin 1 that 1mm is thick, the negative pole copper coin 2 that 1mm is thick, three blocks of first thick electric capacity of 1mm connect copper coin 4, the second electric capacity connection copper coin 5, the 3rd electric capacity connection copper coin 11, and several power inverters are set on its surface connect conductive holes 7 and be connected connection conductive hole 10 with dc capacitor, and smooth, polishing, nickel plating, polishing are carried out in the copper coin surface.
2, process respectively a thick isolated insulation plate 3 of 1mm and the thick capacitive insulation plate 6 of 1mm, and the through hole 8 of several power inverters, dc capacitor is set on its surface, and smooth, polishing, polishing are carried out in its surface.
3, by shown in Figure 1, at first clipping, bonding isolated insulation plate 3 between anodal copper coin 1, negative pole copper coin 2, then adopt heat pressing process that anodal copper coin 1, negative pole copper coin 2 and isolated insulation plate 3 are tightly pressed together.Adopt same method, the first electric capacity is connected that copper coin 4, the second electric capacity connect that copper coin 5, the 3rd electric capacity connection copper coin 11 are bonding, crimping, is fixed on capacitive insulation plate 6.The cooperation that guarantees each parts in operating process is tight, correct.
4, anodal copper coin 1, negative pole copper coin 2, the first electric capacity connect copper coin 4, the second electric capacity connect copper coin 5, the 3rd electric capacity connect bonding on copper coin 11, capacitive insulation plate 6 surfaces, conform to, crimping dielectric film 9, corresponding connection conductive hole window 12 is set on dielectric film, is convenient to power inverter, dc capacitor connection.
5, check whether each parts have mistake, positive stop whether, whether crimping is solid and reliable.
Above-mentioned manufacture method is under the utility model general plotting, and a kind of active power filter special DC busbar is described in detail.Therefore in the variation and the modification that do not break away under the utility model general plotting, within should belonging to protection range of the present utility model.
Claims (1)
1. active power filter special DC busbar, it is characterized in that: comprise positive plate, negative plate, electric capacity connecting plate, isolated insulation plate, capacitive insulation plate and dielectric film, wherein positive plate, negative plate, electric capacity connecting plate are provided with the connection conductive hole of several power inverters, dc capacitor; Isolated insulation plate, several through holes of capacitive insulation plate relative set, clipping, bonding isolated insulation plate between positive plate, negative plate, the electric capacity connecting plate is bonded on the capacitive insulation plate, bonding dielectric film on positive plate, negative plate, electric capacity connecting plate, capacitive insulation plate surface arranges corresponding connection conductive hole window on dielectric film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690410 CN202931206U (en) | 2012-12-14 | 2012-12-14 | Direct current busbar specially used for active power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690410 CN202931206U (en) | 2012-12-14 | 2012-12-14 | Direct current busbar specially used for active power filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931206U true CN202931206U (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220690410 Expired - Fee Related CN202931206U (en) | 2012-12-14 | 2012-12-14 | Direct current busbar specially used for active power filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683851A (en) * | 2013-12-02 | 2014-03-26 | 河南理工大学 | Power converter direct-current busbar |
-
2012
- 2012-12-14 CN CN 201220690410 patent/CN202931206U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683851A (en) * | 2013-12-02 | 2014-03-26 | 河南理工大学 | Power converter direct-current busbar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20211214 |