CN203180793U - Fixing structure for capacitor of DC busbar - Google Patents
Fixing structure for capacitor of DC busbar Download PDFInfo
- Publication number
- CN203180793U CN203180793U CN 201320117414 CN201320117414U CN203180793U CN 203180793 U CN203180793 U CN 203180793U CN 201320117414 CN201320117414 CN 201320117414 CN 201320117414 U CN201320117414 U CN 201320117414U CN 203180793 U CN203180793 U CN 203180793U
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- Prior art keywords
- busbar
- lower floor
- fixing structure
- upper strata
- hole
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Abstract
The utility model discloses a fixing structure for the capacitor of a DC busbar, which comprises at least one capacitor. The upper end of the capacitor is provided with an anode threaded hole and a cathode threaded hole. A lower-level busbar, an insulating layer and an upper-level busbar are orderly stacked up at the upper end of the capacitor. An input terminal is arranged on the same side of the upper-level busbar and the lower-level busbar respectively, while an output terminal is arranged on the other side of the upper-level busbar and the lower-level busbar respectively. A mounting screw passes through evading holes in the upper-level busbar and the insulating layer, and a through hole in the lower-level busbar so as to connect the lower-level busbar with the anode threaded hole or the cathode threaded hole. Another mounting screw passes through through holes in the upper-level busbar and the insulating layer, and an evading hole in the lower-level busbar so as to connect the upper-level busbar with the cathode threaded hole or the anode threaded hole. Compared with the prior art, the fixing structure has the advantages of simple structure, low cost, convenient installation, easy maintenance and good insulating effect, wherein the safety distance between the terminals is long and the wiring operation is convenient. The anode and the cathode of the busbar are overlapped. In this way, the current flowing through the busbar is uniform, low in temperature and small in loss.
Description
Technical field
The utility model relates to contravariant equipment, relates in particular to a kind of with the fixed structure of capacitor fixing on the contravariant equipment busbar.
Background technology
Contravariant equipment all has two DC master rows,, anodal busbar, a cathode bus bar are connected to electric capacity between in two DC master rows, and this electric capacity plays energy storage, flat ripple, stablize the effect of direct voltage, can also eliminate inductive load and disturb, reduce harmonic wave by the high frequency differential mode that IGBT produces.Existing there is following defective in the fixed structure of capacitor fixing on busbar: 1, bus capacitor fixed structure complexity, the cost height of similar products, inconvenient, chaotic, easy care not is installed.2, similar products like, insulation effect is bad, and the distance of safety is too near; The wiring inconvenience.3, similar products like because positive and negative busbar can not be overlapping fully, causes current unevenness on the busbar, and busbar temperature height influences operating efficiency.
The utility model content
The utility model is the problems referred to above that will solve prior art, proposes the uniform capacitor fixing structure of electric current on a kind of simple in structure, easy for installation, busbar.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is a kind of DC master row capacitor fixing structure of design, comprise at least one electric capacity, this electric capacity upper end has anodal screw hole and negative pole screw hole, the top of electric capacity upper end is stacked lower floor busbar successively, insulating barrier and upper strata busbar, on, lower floor busbar the same side all has input terminal, on, lower floor's busbar opposite side all has outlet terminal, the through hole of dodging hole and lower floor busbar that screw passes on upper strata busbar and the insulating barrier is installed lower floor's busbar is connected with anodal screw hole or negative pole screw hole, the installation screw passes through hole on upper strata busbar and the insulating barrier and the hole of dodging of lower floor busbar is connected the upper strata busbar with negative pole screw hole or anodal screw hole.
Described upper strata busbar is provided with the link that is connected in order to other DC master row capacitor fixing structure with lower floor at least one end of busbar.
The lower end of described electric capacity is provided with the mounting panel of fixed capacity.
A kind of mounting means of mounting panel is: the lower end of electric capacity is provided with a bolt, and this bolt passes mounting panel and is connected with nut.
The another kind of mounting means of mounting panel is: mounting panel is provided with the clips of fastening electric capacity sidewall.
The input terminal of described upper strata busbar and outlet terminal all bend perpendicular, and the input terminal bending of lower floor's busbar is sagging, and the outlet terminal bending of lower floor's busbar is gone up perpendicular.
The link bending of described upper strata busbar is gone up perpendicular, and the link bending of lower floor's busbar is sagging, and all has connecting hole on the described link.
Described upper strata busbar is anodal busbar, and lower floor's busbar is cathode bus bar; Perhaps described upper strata busbar is cathode bus bar, and lower floor's busbar is anodal busbar.
Compared with prior art, the utility model is simple in structure, with low cost, and is easy for installation, is easy to safeguard; Insulation effect is good, the safety distance of each binding post, easy-to-connect; Positive and negative busbar is overlapping, and electric current is even on the busbar, and temperature is low, and loss is little.
Description of drawings
Below in conjunction with drawings and Examples the utility model is made detailed explanation, wherein:
Fig. 1 is the decomposition view of the utility model preferred embodiment;
Fig. 2 is the face upwarding stereogram of the utility model preferred embodiment;
Fig. 3 is the top perspective view of the utility model preferred embodiment.
Embodiment
The utility model has disclosed a kind of DC master row capacitor fixing structure, and positive and negative electrode busbar and electric capacity adopt stacked form, and the connecting line of positive and negative electrode busbar and electric capacity passes the busbar body, can reduce stray inductance like this, uniform electric current reduces temperature, reduces loss.
Referring to Fig. 1, the utility model comprises at least one electric capacity 1, this electric capacity upper end has anodal screw hole and negative pole screw hole, the top of electric capacity upper end is stacked lower floor busbar 2 successively, insulating barrier 3 and upper strata busbar 4, on, lower floor busbar the same side all has input terminal (2a, 4a), on, lower floor's busbar opposite side all has outlet terminal (2b, 4b), the through hole 8 of dodging hole 6 and lower floor busbar that screw 5 passes on upper strata busbar and the insulating barrier is installed lower floor's busbar is connected with anodal screw hole or negative pole screw hole, installation screw 7 passes through hole 8 on upper strata busbar and the insulating barrier and the hole 6 of dodging of lower floor busbar is connected the upper strata busbar with negative pole screw hole or anodal screw hole.Self-evident, connected anodal screw hole as the upper strata busbar, that lower floor's busbar can only connect the negative pole screw hole; Connected the negative pole screw hole as the upper strata busbar, that lower floor's busbar can only connect anodal screw hole, when electric capacity when being a plurality of, keep the consistent of busbar and institute connecting screw hole polarity.
The quantity that it may be noted that electric capacity among Fig. 1 is 3.The selected need of electric capacity quantity take all factors into consideration electric current size, load characteristic and select the capacity of electric capacity for use and decide.In the example of Fig. 1 to Fig. 3, the quantity of electric capacity is all 3.When needs use a plurality of electric capacity, the connection of a plurality of capacitor fixing structures can being incorporated into the power networks.In preferred embodiment, the upper strata busbar is provided with the link 11 that is connected in order to other DC master row capacitor fixing structure with lower floor at least one end of busbar.Fig. 1 to Fig. 3 busbar and lower floor busbar two ends at the middle and upper levels all is provided with link.For easy to connect, link 11 bendings of described upper strata busbar are gone up perpendicular, and link 11 bendings of lower floor's busbar are sagging, and all have connecting hole on the described link 11.Connecting screw is passed connecting hole, can connect the adjacent capacitor fixing structure in the left and right sides.
Be further firm electric capacity, be provided with the mounting panel 9 of fixed capacity in its lower end.
In preferred embodiment, the lower end of electric capacity is provided with an outstanding bolt 10, is drilled with through hole on the mounting panel, and through hole and nut that bolt passes mounting panel are spirally connected, thus with capacitor fixing on mounting panel.In other embodiments, mounting panel is provided with the clips of fastening electric capacity sidewall.
For keeping enough safety distances, be convenient to wiring, the input terminal 4a of upper strata busbar and outlet terminal 4b all bend perpendicular, and the input terminal 2a bending of lower floor's busbar is sagging, and is perpendicular in the outlet terminal 2b bending of lower floor's busbar.The outlet terminal 4b of upper strata busbar and the outlet terminal 2b of lower floor's busbar are interleaved, keep certain safety distance.
Be the insulation between the input terminal 2a of the input terminal 4a that further strengthens the upper strata busbar and lower floor's busbar, insulating barrier 3 extends a flanging 12 that bending is downward between two input terminals.
In preferred embodiment, upper strata busbar 4 is anodal busbar, and lower floor's busbar 2 is cathode bus bar.
In other embodiments, upper strata busbar 4 is cathode bus bar, and lower floor's busbar 2 is anodal busbar.
Above embodiment is only for illustrating non-providing constraints.Anyly do not break away from the application's spirit and category, and to its equivalent modifications of carrying out or change, all should be contained among the application's the claim scope.
Claims (9)
1. DC master row capacitor fixing structure, comprise at least one electric capacity, this electric capacity upper end has anodal screw hole and negative pole screw hole, it is characterized in that: the top of electric capacity upper end is stacked lower floor busbar successively, insulating barrier and upper strata busbar, on, lower floor busbar the same side all has input terminal, on, lower floor's busbar opposite side all has outlet terminal, the through hole of dodging hole and lower floor busbar that screw passes on upper strata busbar and the insulating barrier is installed lower floor's busbar is connected with anodal screw hole or negative pole screw hole, the installation screw passes through hole on upper strata busbar and the insulating barrier and the hole of dodging of lower floor busbar is connected the upper strata busbar with negative pole screw hole or anodal screw hole.
2. DC master row capacitor fixing structure as claimed in claim 1 is characterized in that: described upper strata busbar is provided with the link that is connected in order to other DC master row capacitor fixing structure with lower floor at least one end of busbar.
3. DC master row capacitor fixing structure as claimed in claim 2, it is characterized in that: the lower end of described electric capacity is provided with the mounting panel of fixed capacity.
4. DC master row capacitor fixing structure as claimed in claim 3, it is characterized in that: the lower end of described electric capacity is provided with a bolt, and this bolt passes mounting panel and is connected with nut.
5. DC master row capacitor fixing structure as claimed in claim 3, it is characterized in that: described mounting panel is provided with the clips of fastening electric capacity sidewall.
6. DC master row capacitor fixing structure as claimed in claim 1 is characterized in that: the input terminal of described upper strata busbar and outlet terminal all bend perpendicular, and the input terminal bending of lower floor's busbar is sagging, and the outlet terminal bending of lower floor's busbar is gone up perpendicular.
7. DC master row capacitor fixing structure as claimed in claim 2 is characterized in that: the link bending of described upper strata busbar is gone up perpendicular, and the link bending of lower floor's busbar is sagging, and all has connecting hole on the described link.
8. DC master row capacitor fixing structure as claimed in claim 1, it is characterized in that: described upper strata busbar is anodal busbar, lower floor's busbar is cathode bus bar.
9. DC master row capacitor fixing structure as claimed in claim 1, it is characterized in that: described upper strata busbar is cathode bus bar, lower floor's busbar is anodal busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117414 CN203180793U (en) | 2013-03-15 | 2013-03-15 | Fixing structure for capacitor of DC busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117414 CN203180793U (en) | 2013-03-15 | 2013-03-15 | Fixing structure for capacitor of DC busbar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180793U true CN203180793U (en) | 2013-09-04 |
Family
ID=49077448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320117414 Expired - Fee Related CN203180793U (en) | 2013-03-15 | 2013-03-15 | Fixing structure for capacitor of DC busbar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701300A (en) * | 2013-12-10 | 2014-04-02 | 深圳市正弦电气股份有限公司 | Laminated busbars and frequency converter |
| CN112017861A (en) * | 2020-07-29 | 2020-12-01 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
-
2013
- 2013-03-15 CN CN 201320117414 patent/CN203180793U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701300A (en) * | 2013-12-10 | 2014-04-02 | 深圳市正弦电气股份有限公司 | Laminated busbars and frequency converter |
| CN103701300B (en) * | 2013-12-10 | 2016-06-08 | 深圳市正弦电气股份有限公司 | A kind of laminated bus bars and converter |
| CN112017861A (en) * | 2020-07-29 | 2020-12-01 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
| CN112017861B (en) * | 2020-07-29 | 2021-10-22 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN JINGFUYUAN TECH. CO., LTD. Free format text: FORMER NAME: SHENZHEN JINGFUYUAN TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Shenzhen Nanshan District City, Guangdong province 518000 white pine Luxili Nangang Second Industrial Park 12 Building 1, 2, 5 floor Patentee after: SHENZHEN JINGFUYUAN TECHNOLOGY CO., LTD. Address before: Shenzhen Nanshan District City, Guangdong province 518000 white pine Luxili Nangang Second Industrial Park twelfth 5 floor Patentee before: Shenzhen Jingfuyuan Tech Co., Ltd. |
|
| 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: 20130904 Termination date: 20170315 |