CN201601347U - Low-inductance stacking direct-current bus device - Google Patents
Low-inductance stacking direct-current bus device Download PDFInfo
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- CN201601347U CN201601347U CN2010201132096U CN201020113209U CN201601347U CN 201601347 U CN201601347 U CN 201601347U CN 2010201132096 U CN2010201132096 U CN 2010201132096U CN 201020113209 U CN201020113209 U CN 201020113209U CN 201601347 U CN201601347 U CN 201601347U
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Abstract
The utility model discloses a low-inductance stacking direct-current bus device which is an integrated direct-current side bus structure and has the advantages of low inductance, low contacting resistance, integration, simple and easy installation and maintenance. In the utility model, the low-inductance stacking direct-current bus device comprises an anode bus plate, a cathode bus plate, a series capacitor bus plate, an insulating layer and a fixing device; the cathode bus plate, the anode bus plate and the series capacitor bus plate are sequentially stacked together from bottom to top; the bus plates are separated from each other by the insulating layer; the dimension of the insulating layer is greater than the dimension of the bus plate to be isolated; and the cathode bus plate, the anode bus plate and the series capacitor bus plate as well as the insulating layer are fixed together by the fixing device.
Description
Technical field
The utility model relates to a kind of bus device, more specifically to a kind of low induction reactance lamination dc bus device, can be applicable to each device of power electronic equipment DC side and is electrically connected and the system integration.
Background technology
Power electronic equipment we production with the life in use more and more widely, most widely used is frequency converter, other also have emergency power supply, inverter type welder or the like; The most of voltage control mode that adopts of these power electronic equipments carries out various conversions to the electric energy form, and the DC side of power device is a very important part in the process of conversion.Adopt copper bar or cable directly to be connected between traditional power device DC side positive and negative electrode and the energy storage device, this makes to have very big leakage inductance between the positive and negative electrode, in the switching process of high frequencyization, high-power voltage-controlled type power device, owing to the stray inductance bigger between the bus and the influence of power model self inductance, can produce very high peak voltage, this peak voltage has increased switching loss on the one hand, system's heating is increased, on the other hand, the power model operate as normal may appear influencing because of peak voltage is too high; And this connected mode is given on the device overall construction design and can be caused a lot of obstacles along with the increase of DC side device, is unfavorable for the integrated and miniaturization of equipment, therefore needs a kind of novel bus device of exploitation to solve present problem.
Summary of the invention
The utility model has well solved above-mentioned the deficiencies in the prior art and problem, a kind of low induction reactance lamination dc bus device is provided, this installs integrated DC side bus structure, has characteristics such as low induction reactance, low contact resistance, integrating, installation and maintenance is simple and easy.
The technical solution of the utility model is as follows:
Low induction reactance lamination dc bus device of the present utility model, it includes positive electrode bus plate, negative pole bus bar plate, capacitances in series bus bar plate, insulating barrier and fixture, negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate stack gradually together from bottom to top, separate by insulating barrier between the bus bar plate, the insulating barrier size is greater than wanting the spaced apart bus bars board size, and fixture is fixed together negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate and insulating barrier.
Low induction reactance lamination dc bus device of the present utility model, its further technical scheme is that described fixture is the insulation blanket stud nut, nut is made the projection of one 1～2 millimeters thick around screw thread, this projection can snap in the installing hole of leaving on the bus bar plate, can each bus bar plate of fine assurance, the mutual location of insulating barrier and fixing.
Low induction reactance lamination dc bus device of the present utility model, its further technical scheme can also be respectively to leave three installing holes on described bus bar plate and the insulating barrier, be used to install bolt and nut, the projection of nut around screw thread can snap in the installing hole of leaving on the bus bar plate, wherein the perforate of insulating barrier is littler than the bus bar plate, make each edge of insulating barrier have more isolated bus bar plate, satisfy electric and creepage distance.
Low induction reactance lamination dc bus device of the present utility model, its further technical scheme can also be to be provided with interlaced breach not of uniform size on described each bus bar plate in the position that is connected with electric capacity, not needing to avoid the capacitance electrode that connects, a plurality of electric capacity corresponding electrode are connected with power model by bus bar plate.
Low induction reactance lamination dc bus device of the present utility model, its further technical scheme can also be the sagging nest hole that forms of bus bar plate punching press around installing hole that is superimposed upon the upper strata, bottom surface, nest hole is concordant with lower floor bus bottom, place, nest hole is connected with electric capacity with bolt, and bus bar plate is well contacted with capacitance electrode.
One of the fixedly composition of low induction reactance lamination dc bus device of the present utility model by bus bar plate mutual superposition and nut, screw rod can independent assembly and disassembly integral body.Positive and negative electrode bus, capacitances in series bus bar plate are by fine copper plate processing and fabricating; Insulating barrier is the NHN insulating paper; The insulation blanket stud nut is that plastics are made.
The utlity model has following beneficial effect:
Dc bus of the present utility model has extremely low induction reactance, has reduced the shutoff voltage spike of power model positive and negative electrode greatly, improves the whole system reliability; And each bus and insulating barrier are made an integral body, installing/dismounting and convenient, and the anti-vibration ability is strong, excellent insulation performance, and the integrated and miniaturization of the equipment that is beneficial to; Adopt pure copper material, and handle, make electric conductivity fabulous in each device junction; Technology is simple, and is easy to assembly, and cost is cheap relatively.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model
Among the figure: 1-positive electrode bus plate, 2-negative pole bus bar plate, 3-capacitances in series bus bar plate, 4-insulating material, the 5-nut that insulate
Embodiment
Below in conjunction with accompanying drawing the utility model technology contents is explained:
As shown in Figure 1, low induction reactance lamination dc bus device of the present utility model, it includes positive electrode bus plate, negative pole bus bar plate, capacitances in series bus bar plate, insulating barrier and fixture, negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate stack gradually together from bottom to top, separate by insulating barrier between the bus bar plate, the insulating barrier size is greater than wanting the spaced apart bus bars board size, and fixture is fixed together negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate and insulating barrier; Wherein said fixture is the insulation blanket stud nut, and nut is made the projection of one 1.5 millimeters thick around the screw thread, and this projection can snap in the installing hole of leaving on the bus bar plate, can each bus bar plate of fine assurance, the mutual location of insulating barrier and fixing; Respectively leave three installing holes on described bus bar plate and the insulating barrier, be used to install bolt and nut, the projection of nut around screw thread can snap in the installing hole of leaving on the bus bar plate, wherein the perforate of insulating barrier is littler than the bus bar plate, make each edge of insulating barrier have more isolated bus bar plate, satisfy electric and creepage distance; Described each bus bar plate is provided with has interlaced breach not of uniform size with the electric capacity corresponding electrode by what bus bar plate was connected with power model, a plurality of electric capacity corresponding electrode can well be connected with power model by copper coin, be superimposed upon the sagging nest hole that forms of bus bar plate punching press around installing hole on upper strata, bottom surface, nest hole is concordant with lower floor bus bottom, place, nest hole is connected with electric capacity with bolt, and bus bar plate is well contacted with capacitance electrode.Wherein positive and negative electrode bus, capacitances in series bus bar plate are by fine copper plate processing and fabricating; Insulating barrier is the NHN insulating paper; The insulation blanket stud nut is that plastics are made.
Claims (5)
1. one kind low induction reactance lamination dc bus device, it is characterized in that including positive electrode bus plate, negative pole bus bar plate, capacitances in series bus bar plate, insulating barrier and fixture, negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate stack gradually together from bottom to top, separate by insulating barrier between the bus bar plate, the insulating barrier size is greater than wanting the spaced apart bus bars board size, and fixture is fixed together negative pole bus bar plate, positive electrode bus plate, capacitances in series bus bar plate and insulating barrier.
2. low induction reactance lamination dc bus device according to claim 1 is characterized in that described fixture is the insulation blanket stud nut, and nut is made the projection of one 1～2 millimeters thick around screw thread, and this projection can snap in the installing hole of leaving on the bus bar plate.
3. low induction reactance lamination dc bus device according to claim 1, it is characterized in that respectively leaving on described each bus bar plate and the insulating barrier three installing holes, be used to install bolt and nut, the projection of nut around screw thread can snap in the installing hole of leaving on the bus bar plate, and wherein the perforate of insulating barrier is littler than the bus bar plate.
4. low induction reactance lamination dc bus device according to claim 1 is characterized in that on described each bus bar plate in the position that the electric capacity corresponding electrode is connected with bus bar plate the bus bar plate that does not need to connect being done some breach not of uniform size.
5. low induction reactance lamination dc bus device according to claim 1, it is characterized in that the described sagging nest hole that forms of bus bar plate punching press around installing hole that is superimposed upon the upper strata, bottom surface, nest hole is concordant with lower floor bus bottom, place, nest hole is connected with electric capacity with bolt, and bus bar plate is well contacted with capacitance electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201132096U CN201601347U (en) | 2010-02-10 | 2010-02-10 | Low-inductance stacking direct-current bus device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201132096U CN201601347U (en) | 2010-02-10 | 2010-02-10 | Low-inductance stacking direct-current bus device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601347U true CN201601347U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201132096U Expired - Fee Related CN201601347U (en) | 2010-02-10 | 2010-02-10 | Low-inductance stacking direct-current bus device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201601347U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255314A (en) * | 2011-08-11 | 2011-11-23 | 江苏威凡智能电气科技有限公司 | Power unit of active power filter |
| CN102386749A (en) * | 2011-11-28 | 2012-03-21 | 江苏东方四通科技股份有限公司 | Medium high frequency inverted power supply anti-discharge bus structure |
| CN102624265A (en) * | 2011-01-30 | 2012-08-01 | 江苏清能电源有限公司 | Capacitance integrated type high voltage low inductance lamination bus bars and connecting method thereof |
| CN103929113A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | Capacitor bus integration module for new-energy automobile motor controller |
| CN103929114A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | New energy vehicle motor controller provided with capacitor and busbar integrated module |
-
2010
- 2010-02-10 CN CN2010201132096U patent/CN201601347U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624265A (en) * | 2011-01-30 | 2012-08-01 | 江苏清能电源有限公司 | Capacitance integrated type high voltage low inductance lamination bus bars and connecting method thereof |
| CN102255314A (en) * | 2011-08-11 | 2011-11-23 | 江苏威凡智能电气科技有限公司 | Power unit of active power filter |
| CN102386749A (en) * | 2011-11-28 | 2012-03-21 | 江苏东方四通科技股份有限公司 | Medium high frequency inverted power supply anti-discharge bus structure |
| CN102386749B (en) * | 2011-11-28 | 2012-10-03 | 江苏东方四通科技股份有限公司 | Medium high frequency inverted power supply anti-discharge bus structure |
| CN103929113A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | Capacitor bus integration module for new-energy automobile motor controller |
| CN103929114A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | New energy vehicle motor controller provided with capacitor and busbar integrated module |
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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: NAIJING APAITEK TECHNOLOGY CO., LTD. Free format text: FORMER NAME: YAPAI SCIENCE + TECHNOLOGY INDUSTRY CO., LTD., NANJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 211131, Tangshan District, Jiangsu City, Jiangning province Tangshan industrial concentration zone, two road seven weft road junction of Nanjing Patentee after: NANJING APAITEK TECHNOLOGY CO., LTD. Address before: 211131, Tangshan District, Jiangsu City, Jiangning province Tangshan industrial concentration zone, two road seven weft road junction of Nanjing Patentee before: Yapai Science & Technology Industry Co., Ltd., Nanjing |
|
| 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: 20101006 Termination date: 20160210 |