CN203103695U - Laminated busbar and frequency converter - Google Patents
Laminated busbar and frequency converter Download PDFInfo
- Publication number
- CN203103695U CN203103695U CN 201320035733 CN201320035733U CN203103695U CN 203103695 U CN203103695 U CN 203103695U CN 201320035733 CN201320035733 CN 201320035733 CN 201320035733 U CN201320035733 U CN 201320035733U CN 203103695 U CN203103695 U CN 203103695U
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- copper bar
- cleat insulator
- hole
- negative
- pin
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Abstract
The utility model provides a laminated busbar and a frequency converter. The laminated busbar comprises a positive copper bar, a negative copper bar and an insulation layer positioned between the positive copper bar and the negative copper bar, and further comprises a first insulation clamping plate, a second insulation clamping plate and fixing devices, wherein the first insulation clamping plate and the second insulation clamping plate are respectively adhered to outer sides of the positive copper bar and the negative copper bar, and are fixed by the fixing devices. The utility model further provides a frequency converter having the laminated busbar. According to the laminated busbar, since the positive copper bar, the insulation layer and the negative copper bar are clamped and fixed through the first insulation clamping plate, the second insulation clamping plate and the fixing devices, stray inductance is effectively reduced, and the cost is relatively low.
Description
Technical field
The utility model relates to the frequency changer field, more particularly, relates to a kind of stack bus bar cheaply and has the frequency converter of above-mentioned stack bus bar.
Background technology
Stack bus bar is that a kind of multi-layer compound structure connects row, compares with traditional, heaviness, time-consuming wiring method with trouble, uses composite bus row that distribution system modern, that be easy to design and install quick and clear in structure can be provided.Stack bus bar has can repeat the succinct characteristics such as quick of electric property, Low ESR, anti-interference, good reliability, saving space, assembling.At present stack bus bar has been widely used in electric power and has mixed the power conversion module etc. of traction, electric traction equipment, cellular based communication, base station, telephone switching system, catenet equipment, big-and-middle-sized computer, power switch system, welding system, military equipment system, electricity generation system, electrical equipment.
Present stack bus bar mainly adopts dual mode, and a kind of is the stack bus bar of specialty, and it is by isolated by insulating barrier with negative plate and positive plate stack back; Another kind is to be separately fixed at positive and negative copper bar on the structural member and to add one deck Nuo Mike paper between positive and negative copper bar.
Yet, above-mentioned first kind of stack bus bar, its cost is higher.
And in second kind of stack bus bar owing to tightly do not stick together between the positive and negative copper bar, between have the gap, cause stray inductance bigger, the peak voltage of frequency converter is strengthened, influence the performance of frequency converter; And since unfixing between the positive and negative copper bar, when assembling, can only adorn positive and negative copper bar successively, the poor operability of production.
The utility model content
The technical problems to be solved in the utility model is that the bigger problem of positive and negative copper bar stray inductance higher and that fix respectively provides a kind of stack bus bar cheaply and frequency converter at above-mentioned professional stack bus bar cost.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of stack bus bar is provided, and comprises positive copper bar, negative copper bar and the insulating barrier between described positive copper bar and negative copper bar, also comprises first cleat insulator, second cleat insulator and fixture; Described first cleat insulator and second cleat insulator are attached to the outside of positive copper bar and negative copper bar respectively and by described fixture this first cleat insulator and second cleat insulator are fixed.
In stack bus bar described in the utility model, described first cleat insulator, second cleat insulator are respectively equipped with fixing hole, position corresponding with fixing hole on the described insulating barrier is provided with perforation, and position corresponding with described fixing hole on described positive copper bar and the negative copper bar is respectively equipped with through hole; Described fixture is passed the through hole of the through hole of the fixing hole of first cleat insulator, positive copper bar, the perforation of insulating barrier, negative copper bar successively and the fixing hole of second cleat insulator is realized the fixing of first cleat insulator and second cleat insulator.
In stack bus bar described in the utility model, the outside of described positive copper bar is provided with position corresponding with described first alignment pin on first alignment pin and described first cleat insulator and is provided with first pin-and-hole; The outside of described negative copper bar is provided with position corresponding with described second alignment pin on second alignment pin and described second cleat insulator and is provided with second pin-and-hole; First alignment pin on the described positive copper bar penetrates first pin-and-hole on first cleat insulator and second alignment pin on the described negative copper bar and penetrates second pin-and-hole on second cleat insulator.
In stack bus bar described in the utility model, described fixture comprises screw and nut, and the fixing hole on described first cleat insulator, second cleat insulator is greater than the diameter of the double-screw bolt of screw and less than the head of screw of screw and the external diameter of nut.
In stack bus bar described in the utility model, the diameter of the perforation of described insulating barrier equals the diameter of the double-screw bolt of screw, and the difference of the radius of the radius of the through hole on described positive copper bar and the negative copper bar and the double-screw bolt of screw is greater than 1/2nd of the creepage distance of positive copper bar or negative copper bar.
In stack bus bar described in the utility model, described fixture is blind rivet button or rivet.
In stack bus bar described in the utility model, the insulating barrier between described positive copper bar and the negative copper bar is made of Nuo Mike paper.
The utility model also provides a kind of frequency converter, comprise stack bus bar, wherein said stack bus bar comprises positive copper bar, negative copper bar and the insulating barrier between described positive copper bar and negative copper bar, and described stack bus bar also comprises first cleat insulator, second cleat insulator and fixture; Described first cleat insulator and second cleat insulator are attached to the outside of positive copper bar and negative copper bar respectively and by described fixture this first cleat insulator and second cleat insulator are fixed.
In frequency converter described in the utility model, described first cleat insulator, second cleat insulator are respectively equipped with fixing hole, position corresponding with fixing hole on the described insulating barrier is provided with perforation, and position corresponding with described fixing hole on described positive copper bar and the negative copper bar is respectively equipped with through hole; Described fixture is passed the through hole of the through hole of the fixing hole of first cleat insulator, positive copper bar, the perforation of insulating barrier, negative copper bar successively and the fixing hole of second cleat insulator is realized the fixing of first cleat insulator and second cleat insulator.
In frequency converter described in the utility model, the outside of described positive copper bar is provided with position corresponding with described first alignment pin on first alignment pin and described first cleat insulator and is provided with first pin-and-hole; The outside of described negative copper bar is provided with position corresponding with described second alignment pin on second alignment pin and described second cleat insulator and is provided with second pin-and-hole; First alignment pin on the described positive copper bar penetrates first pin-and-hole on first cleat insulator and second alignment pin on the described negative copper bar and penetrates second pin-and-hole on second cleat insulator.
Implement stack bus bar of the present utility model and frequency converter and have following beneficial effect: by first cleat insulator, second cleat insulator and fixture positive copper bar, insulating barrier and negative copper bar are fixedly clamped, not only can effectively reduce random thoughts, and cost are lower.And stack bus bar production of the present utility model and installation are all very convenient.
Description of drawings
Fig. 1 is the schematic diagram of the utility model stack bus bar embodiment.
Fig. 2 is the schematic diagram of positive copper bar among Fig. 1.
Fig. 3 is the schematic diagram of negative copper bar among Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Figure 1-3, be the schematic diagram of stack bus bar embodiment of the present utility model.Stack bus bar in the present embodiment comprises first cleat insulator 11, second cleat insulator 12, positive copper bar 13, negative copper bar 14, insulating barrier 15 and fixture, wherein insulating barrier 15 is between positive copper bar 13 and negative copper bar 14, and first cleat insulator 11 and second cleat insulator 12 are attached to the outside (being positive copper bar 13 and negative copper bar 14 side of insulating barrier 15 dorsad) of positive copper bar 13 and negative copper bar 14 respectively.Above-mentioned first cleat insulator 11 and second cleat insulator 12 are fixed by fixture, thereby positive copper bar 13 and negative copper bar 14 are fixedly clamped.
Above-mentioned lamination copper bar is fixedly clamped positive copper bar 13, insulating barrier 15 and negative copper bar 14 by first cleat insulator 11, second cleat insulator 12 and fixture, not only can effectively reduce random thoughts, and cost is lower.
Especially, to first cleat insulator 11, second cleat insulator 12 is fixedly the time, can adopt following structure: at first cleat insulator 11, second cleat insulator 12 is provided with fixing hole respectively, position corresponding with fixing hole on insulating barrier 15 is provided with perforation, and the position corresponding with fixing hole is provided with through hole 131 respectively on positive copper bar 13 and negative copper bar 14,141, fixture is passed the fixing hole of first cleat insulator 11 successively, the through hole 131 of positive copper bar 13, the perforation of insulating barrier 15, the through hole 141 of negative copper bar 14 and the fixing hole of second cleat insulator 12, thus realize the fixing of first cleat insulator 11 and second cleat insulator 12.
Above-mentioned fixture can adopt fixing hole on screw 16 and nut 17, the first cleat insulators 11, second cleat insulator 12 greater than the diameter of the double-screw bolt of screw 16 and less than the head of screw of screw 16 and the external diameter of nut 17.Above-mentioned screw 16 passes fixing hole and through hole and nut 17 and is spirally connected, thereby realizes fixing.
The diameter of the perforation on the above-mentioned insulating barrier 15 equals the diameter of the double-screw bolt of screw.Because screw 16 itself conducts electricity, therefore the difference of the radius of the double-screw bolt of the radius of the through hole 131,141 on above-mentioned positive copper bar 13 and the negative copper bar 14 and screw 16 is greater than 1/2nd (double-screw bolt is positioned at the center of through hole) of the creepage distance of positive copper bar 13 or negative copper bar 14.
For making above-mentioned screw 16 and nut 17 be fixed on the center of through hole 131,141, the outside of above-mentioned positive copper bar 13 is provided with on first alignment pin 132 and first cleat insulator 11 position corresponding with first alignment pin 132 and is provided with first pin-and-hole; The outside of negative copper bar 14 is provided with on second alignment pin 142 and second cleat insulator 12 position corresponding with second alignment pin 142 and is provided with second pin-and-hole.On the positive copper bar 13 and first cleat insulator 11 a plurality of first alignment pins 132 and first pin-and-hole can be set respectively, similarly, on the negative copper bar 14 and second cleat insulator 12 a plurality of second alignment pins 142 and second pin-and-hole can be set respectively.And, above-mentioned first alignment pin 132 can with positive copper bar 13 one, also can be independent of positive copper bar 13 and be assembled to positive copper bar 13; Second alignment pin 142 can with negative copper bar 14 one, also can be independent of negative copper bar 14 and be assembled to negative copper bar 14.
When carrying out the assembling of lamination copper bar, can earlier first alignment pin 132 on the positive copper bar 13 be penetrated first pin-and-hole on first cleat insulator 11, second alignment pin 142 on the negative copper bar 14 then penetrates second pin-and-hole on second cleat insulator 12, realizes the location; And then rigging screw and nut.
In actual applications, the fixture that is made of screw 16 and nut 17 also can adopt blind rivet to buckle or replacement such as rivet.
Insulating barrier 15 between positive copper bar 13 and the negative copper bar 14 can be made of Nuo Mike paper.And on positive copper bar 13 and negative copper bar 14, also be provided with binding post 133,143.
Above-mentioned lamination copper bar can be applied directly to frequency converter.This moment, this frequency converter comprised stack bus bar, and this stack bus bar comprises first cleat insulator, second cleat insulator, fixture, positive copper bar, negative copper bar and the insulating barrier between positive copper bar and negative copper bar; First cleat insulator and second cleat insulator are attached to the outside of positive copper bar and negative copper bar respectively and by fixture this first cleat insulator and second cleat insulator are fixed.
In the above-mentioned frequency converter, be respectively equipped with fixing hole on first cleat insulator, second cleat insulator, position corresponding with fixing hole on the insulating barrier is provided with perforation, and the position corresponding with described fixing hole is respectively equipped with through hole on positive copper bar and the negative copper bar; Described fixture is passed the through hole of the through hole of the fixing hole of first cleat insulator, positive copper bar, the perforation of insulating barrier, negative copper bar successively and the fixing hole of second cleat insulator is realized the fixing of first cleat insulator and second cleat insulator.
In the above-mentioned frequency converter, the outside of positive copper bar is provided with position corresponding with first alignment pin on first alignment pin and first cleat insulator and is provided with first pin-and-hole; The outside of negative copper bar is provided with position corresponding with second alignment pin on second alignment pin and second cleat insulator and is provided with second pin-and-hole; First alignment pin on the positive copper bar penetrates first pin-and-hole on first cleat insulator and second alignment pin on the negative copper bar and penetrates second pin-and-hole on second cleat insulator.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. a stack bus bar comprises positive copper bar, negative copper bar and the insulating barrier between described positive copper bar and negative copper bar, it is characterized in that: also comprise first cleat insulator, second cleat insulator and fixture; Described first cleat insulator and second cleat insulator are attached to the outside of positive copper bar and negative copper bar respectively and by described fixture this first cleat insulator and second cleat insulator are fixed.
2. stack bus bar according to claim 1, it is characterized in that: described first cleat insulator, second cleat insulator are respectively equipped with fixing hole, position corresponding with fixing hole on the described insulating barrier is provided with perforation, and position corresponding with described fixing hole on described positive copper bar and the negative copper bar is respectively equipped with through hole; Described fixture is passed the through hole of the through hole of the fixing hole of first cleat insulator, positive copper bar, the perforation of insulating barrier, negative copper bar successively and the fixing hole of second cleat insulator is realized the fixing of first cleat insulator and second cleat insulator.
3. stack bus bar according to claim 1 and 2 is characterized in that: the outside of described positive copper bar is provided with position corresponding with described first alignment pin on first alignment pin and described first cleat insulator and is provided with first pin-and-hole; The outside of described negative copper bar is provided with position corresponding with described second alignment pin on second alignment pin and described second cleat insulator and is provided with second pin-and-hole; First alignment pin on the described positive copper bar penetrates first pin-and-hole on first cleat insulator and second alignment pin on the described negative copper bar and penetrates second pin-and-hole on second cleat insulator.
4. stack bus bar according to claim 2, it is characterized in that: described fixture comprises screw and nut, and the fixing hole on described first cleat insulator, second cleat insulator is greater than the diameter of the double-screw bolt of screw and less than the head of screw of screw and the external diameter of nut.
5. stack bus bar according to claim 4, it is characterized in that: the diameter of the perforation of described insulating barrier equals the diameter of the double-screw bolt of screw, and the difference of the radius of the radius of the through hole on described positive copper bar and the negative copper bar and the double-screw bolt of screw is greater than 1/2nd of the creepage distance of positive copper bar or negative copper bar.
6. stack bus bar according to claim 2 is characterized in that: described fixture is that the plastic cement blind rivet is buckled or rivet.
7. stack bus bar according to claim 1 is characterized in that: the insulating barrier between described positive copper bar and the negative copper bar is made of Nuo Mike paper.
8. frequency converter, comprise stack bus bar, wherein said stack bus bar comprises positive copper bar, negative copper bar and the insulating barrier between described positive copper bar and negative copper bar, and it is characterized in that: described stack bus bar also comprises first cleat insulator, second cleat insulator and fixture; Described first cleat insulator and second cleat insulator are attached to the outside of positive copper bar and negative copper bar respectively and by described fixture this first cleat insulator and second cleat insulator are fixed.
9. frequency converter according to claim 8, it is characterized in that: be respectively equipped with fixing hole on described first cleat insulator, second cleat insulator, position corresponding with fixing hole on the described insulating barrier is provided with perforation, and position corresponding with described fixing hole on described positive copper bar and the negative copper bar is respectively equipped with through hole; Described fixture is passed the through hole of the through hole of the fixing hole of first cleat insulator, positive copper bar, the perforation of insulating barrier, negative copper bar successively and the fixing hole of second cleat insulator is realized the fixing of first cleat insulator and second cleat insulator.
10. according to Claim 8 or 9 described frequency converters, it is characterized in that: the outside of described positive copper bar is provided with position corresponding with described first alignment pin on first alignment pin and described first cleat insulator and is provided with first pin-and-hole; The outside of described negative copper bar is provided with position corresponding with described second alignment pin on second alignment pin and described second cleat insulator and is provided with second pin-and-hole; First alignment pin on the described positive copper bar penetrates first pin-and-hole on first cleat insulator and second alignment pin on the described negative copper bar and penetrates second pin-and-hole on second cleat insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035733 CN203103695U (en) | 2013-01-23 | 2013-01-23 | Laminated busbar and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035733 CN203103695U (en) | 2013-01-23 | 2013-01-23 | Laminated busbar and frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103695U true CN203103695U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035733 Expired - Lifetime CN203103695U (en) | 2013-01-23 | 2013-01-23 | Laminated busbar and frequency converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203103695U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779818A (en) * | 2015-04-24 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Inverter chopping wave composite busbar suitable for standardizing traction power module of electric motor unit |
| CN105375741A (en) * | 2014-08-12 | 2016-03-02 | 赛米控电子股份有限公司 | Switchboard cabinet |
| CN110415861A (en) * | 2019-06-28 | 2019-11-05 | 浙江赛英电力科技有限公司 | A kind of simple busbar and its processing technology convenient for assembling |
| CN111130310A (en) * | 2019-12-31 | 2020-05-08 | 西安华为技术有限公司 | Laminated busbar and electronic equipment |
| CN111342408A (en) * | 2020-03-03 | 2020-06-26 | 赵光宇 | Electric power busbar |
-
2013
- 2013-01-23 CN CN 201320035733 patent/CN203103695U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375741A (en) * | 2014-08-12 | 2016-03-02 | 赛米控电子股份有限公司 | Switchboard cabinet |
| CN105375741B (en) * | 2014-08-12 | 2019-02-22 | 赛米控电子股份有限公司 | Switchgear |
| CN104779818A (en) * | 2015-04-24 | 2015-07-15 | 永济新时速电机电器有限责任公司 | Inverter chopping wave composite busbar suitable for standardizing traction power module of electric motor unit |
| CN110415861A (en) * | 2019-06-28 | 2019-11-05 | 浙江赛英电力科技有限公司 | A kind of simple busbar and its processing technology convenient for assembling |
| CN111130310A (en) * | 2019-12-31 | 2020-05-08 | 西安华为技术有限公司 | Laminated busbar and electronic equipment |
| CN111342408A (en) * | 2020-03-03 | 2020-06-26 | 赵光宇 | Electric power busbar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160216 Address after: 518101 Guangdong city of Shenzhen province Baoan District no 70 District Liu Xian two road Hongwei Dong Industrial Zone E Patentee after: SHENZHEN INOVANCE TECHNOLOGY Co.,Ltd. Patentee after: SUZHOU INOVANCE TECHNOLOGY Co.,Ltd. Address before: 518101 Guangdong city of Shenzhen province Baoan District no 70 District Liu Xian two road Hongwei Dong Industrial Zone E Patentee before: SHENZHEN INOVANCE TECHNOLOGY Co.,Ltd. Patentee before: SUZHOU INOVANCE TECHNOLOGY Co.,Ltd. Patentee before: Suzhou Monarch Control Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |