CN203165484U - Low voltage crossing crowbar circuit copper bar structure and circuit structure thereof - Google Patents
Low voltage crossing crowbar circuit copper bar structure and circuit structure thereof Download PDFInfo
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- CN203165484U CN203165484U CN 201220135151 CN201220135151U CN203165484U CN 203165484 U CN203165484 U CN 203165484U CN 201220135151 CN201220135151 CN 201220135151 CN 201220135151 U CN201220135151 U CN 201220135151U CN 203165484 U CN203165484 U CN 203165484U
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- copper bar
- tube module
- capacitor array
- installing hole
- pcb
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Abstract
The utility model relates to a low voltage crossing crowbar circuit copper bar structure and a circuit structure thereof. The low voltage crossing crowbar circuit copper bar structure comprises a pressing bus bar and an adapter copper bar, wherein the pressing bus bar and the adapter copper bar are arranged in parallel. The pressing bus bar and the adapter copper bar do not contact each other. At least one row of switch tube module direct current end mounting holes, at least one row of capacitor array mounting holes, at least one capacitor array PCB pin and at least one switch tube module PCB pin are arranged on the pressing bus bar. The pressing bus bar is further provided with direct current input and output pins. At least one row of switch tube module alternating current end mounting holes is arranged on the adapter copper bar. The adapter copper bar is further provided with an alternating current side PCB pin and an alternating current output pin. The copper bar structure provided by the utility model has the advantages of wireless connection in a circuit, low stray inductance, voltage spike inhibiting, compact structure and high modularization degree. The utility model further relates to the low voltage crossing crowbar circuit structure which comprises a switch tube module, a capacitor array, a PCB board and the low voltage crossing crowbar circuit copper bar structure.
Description
Technical field
The utility model relates to a kind of low-voltage and passes through circuit copper bar structure, is specifically related to a kind of low-voltage and passes through crow bar (Crowbar) circuit copper bar structure and circuit structure thereof.
Background technology
New electrical network rule request wind generator system has low voltage ride-through capability, and direct drive wind power system increases the Crowbar circuit in DC side usually, improves its fault ride-through capacity.Common way is to link together with the electric device of lead with the Crowbar circuit, circuit stray inductance height like this, and the due to voltage spikes value is big, even makes the Crowbar circuit malfunction, and components and parts disperse, and structure is not compact, and the degree of modularity is low.
The utility model content
The utility model is at the deficiencies in the prior art, design and develop out a kind of low-voltage and passed through circuit copper bar structure and circuit structure thereof, the associated electrical device is by pressing busbar and switching copper bar overlap joint, realize wireless connections in the circuit, stray inductance is low, suppress due to voltage spikes, and compact conformation, degree of modularity height.
The utility model is to realize like this, a kind of low-voltage is passed through crowbar circuit copper bar structure, it comprises the pressing busbar and switching copper bar that is arranged side by side, the pressing busbar does not contact mutually with the switching copper bar, at least be provided with a row switch tube module dc terminal installing hole on the described pressing busbar, at least be provided with row's capacitor array installing hole, at least be provided with a capacitor array PCB pin and be provided with a switching tube module PCB pin at least, also be provided with the direct current input and output pin on the described pressing busbar, at least be provided with a row switch tube module on the described switching copper bar and exchange the end installing hole, also be provided with on the described switching busbar and exchange side PCB pin and interchange output pin.
As the further improvement of such scheme, when described pressing busbar and switching copper bar were in the use state, described dc terminal installing hole was located along the same line with the center line that exchanges the end installing hole.
As the further improvement of such scheme, described capacitor array PCB pin, switching tube module PCB pin and exchange the bending edges that side PCB pin is the projection of outwards extending from the copper bar surface, the faying surface of above-mentioned three PCB pins is in the same plane.
Further improvement as such scheme, when described switching tube module dc terminal installing hole and capacitor array installing hole are arrange more, described many row switches tube module dc terminal installing hole is distributed in the centre position of described pressing busbar, described capacitor array installing hole is arranged in the both sides of described pressing busbar, and described many row switches tube module dc terminal installing hole is all parallel with described many row's capacitor array installing holes.
Further improvement as such scheme, described direct current input, the bending edges of output pin for making progress respectively, draw downwards from pressing busbar centre position on one side, described bending edges is perpendicular to described many row switches tube module dc terminal installing hole and described many row's capacitor arrays.
The utility model also provides a kind of low-voltage to pass through the crowbar circuit structure, comprise switching tube module, capacitor array and pcb board, described circuit structure also comprises above-mentioned copper bar structure, the dc terminal of described switching tube module links to each other with switching tube module dc terminal installing hole, the interchange end of described switching tube module links to each other with the end installing hole that exchanges of switching tube module, described capacitor array links to each other with the capacitor array installing hole, and described pcb board is respectively with capacitor array PCB pin, switching tube module PCB pin with exchange side PCB pin and link to each other.
As the further improvement of such scheme, described switching tube module and capacitor array are placed side by side, are positioned at a side of described pressing busbar and switching copper bar, and described pcb board is positioned at the opposite side of pressing busbar and switching copper bar.
As the further improvement of such scheme, described switching tube module comprises at least one switching tube, and switching tube is IGBT pipe, MOSFET pipe, IGCT pipe or IEGT pipe.
Advantage of the present utility model is: adopt pressing busbar and switching copper bar that two IGBT modules, two groups of capacitor arrays and a pcb board are overlapped, realize wireless connections between the components and parts, reduced the stray inductance of circuit, give full play to the effect of electric device, suppress due to voltage spikes, improve the mechanical disorder ride-through capability, the direct current input and output are positioned at the centre position of pressing busbar, can play the current-sharing effect, and the components and parts layout is compact, well arranged, the degree of modularity is high, is convenient to installation and maintenance.
Description of drawings
The low-voltage that Fig. 1 provides for the utility model first execution mode is passed through crowbar circuit copper bar structural representation.
Fig. 2 passes through the mounting structure schematic diagram of crowbar circuit copper bar structure for low-voltage among Fig. 1.
The low-voltage that Fig. 3 provides for the utility model second execution mode is passed through crowbar circuit copper bar structural representation.
Fig. 4 passes through the mounting structure schematic diagram of crowbar circuit copper bar structure for low-voltage among Fig. 3.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1 and Fig. 2, its low-voltage that provides for the utility model first execution mode is passed through crow bar (Crowbar) circuit copper bar structural representation and low-voltage is passed through the mounting structure schematic diagram of crowbar circuit copper bar structure.
Pressing busbar 1 and switching copper bar 2 are placed side by side, the dc terminal of two IGBT modules 4 with exchange end respectively with corresponding aperture position (the position, hole here refers to: be equipped with two row dc terminal installing holes 7 and two row that two IGBT modules 4 are installed in the middle of the pressing busbar 1 and on the switching copper bar 2 and the exchange end installing hole 51) overlap joint of pressing busbar 1 and switching copper bar 2, being installed in the pressing busbar changes 1 and the bottom of the copper bar 2 of transferring.
Two groups of capacitor arrays 5 split the both sides at pressing busbar 1, be positioned at the bottom of pressing busbar 1, particularly, pressing busbar 1 offers the capacitor array installing hole 10 that two groups of capacitor arrays 5 are installed, two groups of capacitor array installing holes 10 are opened in the relative both sides of pressing busbar 1, and the horizontal extended line of switching copper bar 2 is between two groups of capacitor array installing holes 10 and be parallel to two groups of capacitor array installing holes 10.
The direct current input and output pin 8 of pressing busbar 1 is located at pressing busbar 1 centre position on one side, plays the current-sharing effect.Switching copper bar 2 is provided with and exchanges output pin 41, and pin 9,6,31 faying surface are in the same plane.
By pressing busbar 1 and switching copper bar 2 pcb board 3, two IGBT modules 4 and two groups of capacitor arrays 5 are overlapped, shortened the distance of IGBT module and capacitor array, IGBT module and pcb board, give full play to the effect of electric device, suppress due to voltage spikes, and all copper bar connections between the components and parts, inductance is little, compact conformation.
In sum, the advantage that the low-voltage that the utility model first execution mode provides is passed through crowbar circuit copper bar structure is: adopt pressing busbar 1 and switching copper bar 2 with two IGBT modules 4, two groups of capacitor arrays 5 and a pcb board 3 overlap, realize wireless connections between the components and parts, reduced the stray inductance of circuit, give full play to the effect of electric device, suppress due to voltage spikes, improve the mechanical disorder ride-through capability, the direct current input and output are positioned at the centre position of pressing busbar 1, can play the current-sharing effect, and components and parts are arranged compact, well arranged, modularization is convenient to installation and maintenance.
See also Fig. 3 and Fig. 4, its low-voltage that provides for the utility model second execution mode passes through crowbar circuit copper bar structural representation and low-voltage is passed through the mounting structure schematic diagram of crowbar circuit copper bar structure.
Pressing busbar 1 and switching copper bar 2 are placed side by side, the dc terminal of IGBT module 4 is with the installing hole overlap joint that is arranged on the pressing busbar 1, the interchange end of IGBT module 4 is with the installing hole overlap joint that is arranged on the switching copper bar 2, and IGBT module 4 is installed in the bottom of pressing busbar 1 and switching copper bar 2.Installing hole on the pressing busbar 1 here refers to the installing hole of switching on the copper bar 2: the switching tube module exchanges and holds installing hole 42 on the switching tube module dc terminal installing hole 32 on the pressing busbar 1 and the switching copper bar 2.
Capacitor array 5 is with the installing hole overlap joint that is arranged on the pressing busbar 1, be installed in the bottom of pressing busbar 1, refer to that particularly pressing busbar 1 offers the capacitor array installing hole 72 that at least one group of capacitor array 5 is installed, this group capacitor array installing hole 72 is opened in a side of pressing busbar 1.
Switching copper bar 2 is provided with and exchanges output pin 43, and pressing busbar 1 is provided with direct current input and output pin 83, and all pins 52,62,63 faying surface all arrange at grade.
By pressing busbar 1 and switching copper bar 2 pcb board 3, IGBT module 4 and capacitor array 5 are overlapped, shortened the distance of IGBT module and capacitor array, IGBT module and pcb board, give full play to the effect of electric device, suppress due to voltage spikes, and all copper bar connections between the components and parts, inductance is little, compact conformation.
In sum, the advantage that the low-voltage that the utility model second execution mode provides is passed through crowbar circuit copper bar structure is: adopt pressing busbar 1 and switching copper bar 2 that IGBT4, capacitor array 5 and pcb board 3 are overlapped, realize wireless connections between the components and parts, reduced the stray inductance of circuit, give full play to the effect of capacitor array 5 and pcb board 3, suppressed due to voltage spikes, improve the mechanical disorder ride-through capability, and components and parts are arranged compact, well arranged, modularization, are convenient to installation and maintenance.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. a low-voltage is passed through crowbar circuit copper bar structure, it is characterized in that, it comprises the pressing busbar and switching copper bar that is arranged side by side, the pressing busbar does not contact mutually with the switching copper bar, at least be provided with a row switch tube module dc terminal installing hole on the described pressing busbar, at least be provided with row's capacitor array installing hole, at least be provided with a capacitor array PCB pin and be provided with a switching tube module PCB pin at least, also be provided with the direct current input on the described pressing busbar, output pin, at least be provided with a row switch tube module on the described switching copper bar and exchange the end installing hole, also be provided with on the described switching busbar and exchange side PCB pin and interchange output pin.
2. a kind of low-voltage as claimed in claim 1 is passed through crowbar circuit copper bar structure, it is characterized in that, described dc terminal installing hole is located along the same line with the center line that exchanges the end installing hole.
3. a kind of low-voltage as claimed in claim 1 is passed through crowbar circuit copper bar structure, it is characterized in that, described capacitor array PCB pin, switching tube module PCB pin and exchange the bending edges that side PCB pin is the projection of outwards extending from the copper bar surface, the faying surface of above-mentioned three PCB pins is in the same plane.
4. a kind of low-voltage as claimed in claim 1 is passed through crowbar circuit copper bar structure, it is characterized in that, when described switching tube module dc terminal installing hole and capacitor array installing hole are arrange more, described many row switches tube module dc terminal installing hole is distributed in the centre position of described pressing busbar, described capacitor array installing hole is arranged in the both sides of described pressing busbar, and described many row switches tube module dc terminal installing hole is all parallel with described many row's capacitor array installing holes.
5. a kind of low-voltage as claimed in claim 4 is passed through crowbar circuit copper bar structure, it is characterized in that, described direct current input, the bending edges of output pin for making progress respectively, draw downwards from pressing busbar centre position on one side, described bending edges is perpendicular to described many row switches tube module dc terminal installing hole and described many row's capacitor array installing holes.
6. a low-voltage is passed through the crowbar circuit structure, comprise switching tube module, capacitor array and pcb board, it is characterized in that, described circuit structure also comprises any described copper bar structure as claim 1 to 4, the dc terminal of described switching tube module links to each other with switching tube module dc terminal installing hole, the interchange end of described switching tube module links to each other with the end installing hole that exchanges of switching tube module, described capacitor array links to each other with the capacitor array installing hole, and described pcb board is respectively with capacitor array PCB pin, switching tube module PCB pin with exchange side PCB pin and link to each other.
7. a kind of low-voltage as claimed in claim 6 is passed through the crowbar circuit structure, it is characterized in that, described switching tube module and capacitor array are placed side by side, are positioned at a side of described pressing busbar and switching copper bar, and described pcb board is positioned at the opposite side of pressing busbar and switching copper bar.
8. pass through the crowbar circuit structure as claim 6 or 7 described a kind of low-voltages, it is characterized in that described switching tube module comprises at least one switching tube, switching tube is IGBT pipe, MOSFET pipe, IGCT pipe or IEGT pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220135151 CN203165484U (en) | 2012-04-01 | 2012-04-01 | Low voltage crossing crowbar circuit copper bar structure and circuit structure thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220135151 CN203165484U (en) | 2012-04-01 | 2012-04-01 | Low voltage crossing crowbar circuit copper bar structure and circuit structure thereof |
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CN203165484U true CN203165484U (en) | 2013-08-28 |
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CN 201220135151 Expired - Lifetime CN203165484U (en) | 2012-04-01 | 2012-04-01 | Low voltage crossing crowbar circuit copper bar structure and circuit structure thereof |
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Cited By (3)
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 |
CN107068255A (en) * | 2017-03-21 | 2017-08-18 | 广东易电能源科技有限公司 | High pressure and the manufacture method that low pressure composite bar is female and high pressure is female with low pressure composite bar |
CN113571975A (en) * | 2021-07-22 | 2021-10-29 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
-
2012
- 2012-04-01 CN CN 201220135151 patent/CN203165484U/en not_active Expired - Lifetime
Cited By (4)
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 |
CN107068255A (en) * | 2017-03-21 | 2017-08-18 | 广东易电能源科技有限公司 | High pressure and the manufacture method that low pressure composite bar is female and high pressure is female with low pressure composite bar |
CN113571975A (en) * | 2021-07-22 | 2021-10-29 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
CN113571975B (en) * | 2021-07-22 | 2024-05-14 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130828 |