CN203554313U - High-voltage direct current system - Google Patents
High-voltage direct current system Download PDFInfo
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- CN203554313U CN203554313U CN201320678095.3U CN201320678095U CN203554313U CN 203554313 U CN203554313 U CN 203554313U CN 201320678095 U CN201320678095 U CN 201320678095U CN 203554313 U CN203554313 U CN 203554313U
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- direct current
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 133
- 229910052802 copper Inorganic materials 0.000 claims abstract description 131
- 239000010949 copper Substances 0.000 claims abstract description 131
- 238000002788 crimping Methods 0.000 claims abstract description 23
- 230000004888 barrier function Effects 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 28
- 239000004020 conductor Substances 0.000 claims description 24
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 230000005855 radiation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a high-voltage direct current system, which comprises a rectifier cabinet, a power distribution cabinet and a confluence copper busbar, wherein the rectifier cabinet is internally provided with a rectifier module, the power distribution cabinet is internally provided with a distributor, a rectification output end of the rectifier module and a power distribution input end of the distributor are connected through the copper busbar, the copper busbar comprises a main busbar and a cabinet busbar, conduction of the main busbar and the cabinet busbar is realized in a crimping mode, one side of the copper busbar is provided with an insulating baffle plate, the confluence copper bar and the insulating baffle plate are arranged at intervals, and the copper busbar and the insulating baffle plate are connected through an insulating fixing member. According to the utility model, about a half of the cost is saved, the surface is not easy to oxide under a condition that high current passes through, thereby being better conducive to heat dissipation of the copper busbar.
Description
Technical field
The utility model relates to field of power supplies, relates in particular to a kind of high-voltage direct current.
Background technology
UPS (Uninterruptible Power Supply, uninterrupted power supply), is that one contains energy storage device, the AC power take rectifier, inverter as the voltage stabilization and frequency stabilization of chief component.The workflow of traditional UPS is the input that AC power connects UPS, through rectification circuit, is converted to direct current, and a road is dc-battery charging, and stream is delivered for load equipment power supply in a road after UPS inversion.
And traditional ups power, stability or the reliability of its inverter are general, and when inverter damages, ups power cannot play the effect of backup battery, has load equipment power-off hidden danger.A lot of load equipments, as the equipment of communication data central machine room, high in the clouds system equipment etc., very high to reliability requirement, traditional UPS can not meet new demand, so proposed high-voltage direct current.
High-voltage direct current adopts goes inverter design, and input, for exchanging input, is directly received load equipment after over commutation, and for load equipment provides high-voltage DC power supply, wherein, a lot of higher load equipments of reliability requirement are generally also all supported DC power supply.Checking is found after tested, and the efficiency of traditional ups system is not high, and 80% of UPS power output average out to input ac power power output, causes very large waste of energy.The more than 90% of power output average out to input ac power power output of the high-voltage direct current after inverter design is removed in employing, and because no-reverse change, fault-resistant ability is stronger.
And high-voltage direct current in the market, general is all that traditional electric wire or the cable adopting carries out connecting up in cabinet or between cabinet, in the application of electric wire in long distance or low-power equipment, have great advantage, but advantage is just not obvious in powerful integrated system application, and in high-voltage direct current, cable wiring structure has following defect:
One, line loss is large.What between every copper cash, exist is that a kind of line contacts and have certain air gap, and the state lower surface that large electric current passes through is easily oxidized, and long-term work meeting causes the too high and interior resistive of local temperature large.
Two, cost is higher.If each module is to adopt the electric wire of 10 squares while exporting 35A electric current under 30 degree in ambient temperature, from the DC output end of rectification module, output to DC bus, the parallel connection of every layer of module output, cable need to be used 70 squares, uneconomical.
Three, weak heat-dissipating.The multiplex rubber of outer wrap material of cable is easily damaged, and not heatproof is easily aging, and copper core and outer field electro-insulating rubber are bundled together, and experimental results show that radiating effect is general, particularly when electric current is larger.
Utility model content
The purpose of this utility model is to propose a kind of high-voltage direct current, solves above technical problem.
For reaching this object, the utility model by the following technical solutions:
A kind of high-voltage direct current, comprising: rectifier cabinet, power distribution cabinet and confluence copper bar;
In described rectifier cabinet, be provided with rectification module, in described power distribution cabinet, be provided with distributor, the distribution input of the rectification output end of described rectification module and described distributor is connected by confluence copper bar;
Described confluence copper bar comprises bus-bar in main busbar and cabinet, and in described main busbar and described cabinet, bus-bar is realized the conducting of bus-bar in described main busbar and described cabinet by the mode of crimping;
A side in described confluence copper bar is provided with insulation barrier, and described confluence copper bar and described insulation barrier are set in distance, and between described confluence copper bar and described insulation barrier, by insulating fixing piece, is connected.
Preferably, described confluence copper bar and described insulation barrier parallel interval arrange, and the spacing of described confluence copper bar and described insulation barrier is 5-50mm.
Preferably, the spacing of described confluence copper bar and described insulation barrier is 18mm.
Preferably, described insulation barrier is epoxy resin board, and described insulating fixing piece is nylon seat.
Preferably, described main busbar comprises connector between rectification main busbar, distribution main busbar and cabinet, and rectification bus-bar and the interior distribution bus bars of cabinet in cabinet are drawn together in the package of confluxing in described cabinet;
Described rectification main busbar is connected by connector between described cabinet with distribution main busbar; In described cabinet, one end of rectification bus-bar connects the rectification output end of described rectification module, in described cabinet, the other end of rectification bus-bar connects described rectification main busbar, in described cabinet, one end of distribution bus bars connects the distribution input of described distributor, and in described cabinet, the distribution bus bars other end connects described distribution main busbar.
Preferably, described high-voltage direct current also comprises module output copper bar and rectification layer output-parallel copper bar;
In described rectifier cabinet, be provided with multiple rectification layers, described rectification layer comprises multiple rectification modules; One end of described module output copper bar connects the rectification output end of described rectification module, and the other end of described module output copper bar connects rectification layer output-parallel copper bar; Described rectification layer output-parallel copper bar also connects rectification bus-bar in described cabinet.
Preferably, in described cabinet, distribution bus bars comprises direct current input copper bar, the first variable-direction connecting piece and direct current output copper bar;
One end of described direct current input copper bar connects described distribution main busbar, the other end of described direct current input copper bar connects described the first variable-direction connecting piece, one end of described direct current output copper bar connects described the first variable-direction connecting piece, and the other end of described direct current output copper bar connects the distribution input of described distributor;
Described the first variable-direction connecting piece comprises vertically disposed the first conductor plate and the second conductor plate mutually, described the first conductor plate and described the second conductor plate are structure as a whole, the other end crimping of described the first conductor plate and described direct current input copper bar, one end crimping of described the second conductor plate and described direct current output copper bar, realizes the conducting of described direct current input copper bar and described direct current output copper bar.
Preferably, also comprise main busbar fixture, described main busbar fixture one side is fixedly connected on the cabinet sidewalls inner side of rectifier cabinet or power distribution cabinet, on described main busbar fixture He on described main busbar, be provided with threaded connection hole, by bolt, be threaded described main busbar and described main busbar fixture are fixed.
Preferably, in described cabinet, on bus-bar, be provided with threaded connection hole, in described main busbar and described cabinet, bus-bar is threaded to realize the crimping of bus-bar in described main busbar and described cabinet by bolt.
Preferably, described confluence copper bar is sheet conducting copper, and the thickness of described confluence copper bar is 1-10mm, and the width of described confluence copper bar is 5-80mm.
The beneficial effects of the utility model: the utility model replaces conventional wires to realize the internal wiring structure of high-voltage direct current by confluence copper bar, on cost, than employing cable, save half left and right, main busbar is connected by the mode of crimping with bus-bar in described cabinet, junction does not have air gap, it is a kind of face contact, the state lower surface that large electric current passes through is not easy to be oxidized, in addition, confluence copper bar surface adopts fixture and insulation barrier, can prevent that artificial touch from causing getting an electric shock, and between fixture and insulation barrier, exist certain gap to be more conducive to the heat radiation of confluence copper bar, in addition, in system, adopt confluence copper bar to connect, in structure, cable connects more succinct relatively, structure is compacter.
Accompanying drawing explanation
Fig. 1 is the wire structures schematic diagram of the high-voltage direct current of the first embodiment.
Fig. 2 is the internal wiring structure schematic diagram of the rectifier cabinet of the first embodiment.
Fig. 3 is the internal wiring structure schematic diagram of the power distribution cabinet of the first embodiment.
Fig. 4 is the crimping structure schematic diagram of the first embodiment.
Fig. 5 is the insulation barrier syndeton schematic diagram of the first embodiment.
Fig. 6 is the structural representation of the first variable-direction connecting piece of the first embodiment.
Fig. 7 is the cabinet structure schematic diagram of the high-voltage direct current of the first embodiment.
In figure: 101, rectifier cabinet; 102, power distribution cabinet; 103, rectification module; 104, distributor; 105, main busbar; 106, rectification bus-bar in cabinet; 107, distribution bus bars in cabinet; 108, rectification main busbar; 109, distribution main busbar; 110, connector between cabinet; 111, main busbar fixture; 112, rectification output end; 113, module output copper bar; 114, rectification layer output-parallel copper bar; 115, threaded connection hole; 116, the first variable-direction connecting piece; 117, exchange input module; 118, direct current input copper bar; 119, the second variable-direction connecting piece; 120, direct current output copper bar; 121, distribution input; 122, rectification layer; 123, ac power switch; 124, insulation barrier; 125, insulating fixing piece; 126, the first conductor plate; 127, the second conductor plate.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Please refer to Fig. 1, Fig. 1 is the wire structures schematic diagram of the high-voltage direct current of the first embodiment.The high-voltage direct current that the present embodiment proposes, comprising: rectifier cabinet 101, power distribution cabinet 102 and confluence copper bar.
In rectifier cabinet 101, be provided with rectification module 103, be provided with distributor 104 in power distribution cabinet 102, the rectification output end 112 of rectification module 103 is connected by confluence copper bar with the distribution input 121 of distributor 104.
Confluence copper bar comprises bus-bar in main busbar 105 and cabinet, and in main busbar 105 and cabinet, bus-bar is realized the conducting of bus-bar in main busbar 105 and cabinet by the mode of crimping.
Please refer to Fig. 4, Fig. 4 is the crimping structure schematic diagram of the first embodiment.On main busbar 105 and in cabinet, on bus-bar, be provided with threaded connection hole 115, the bolt matching of use and threaded connection hole 115 also makes bolt simultaneously through the threaded connection hole 115 on bus-bar in cabinet and on main busbar 105, and the mode being threaded connection realizes the crimping of main busbar 105 and the interior bus-bar of cabinet.
In addition, high-voltage direct current also comprises main busbar fixture 111, main busbar fixture 111 1 sides are fixedly connected on the cabinet sidewalls inner side of rectifier cabinet 101 or power distribution cabinet 102, on main busbar fixture 111 He on main busbar 105, be provided with threaded connection hole 115, both threaded connection holes need be consistent or be identical, use with the bolt matching of threaded connection hole 115 and make bolt pass on main busbar fixture 111 and main busbar 105 on threaded connection hole 115 be threaded, main busbar 105 and main busbar fixture 111 are fixed.
A side in confluence copper bar is provided with insulation barrier 124, and confluence copper bar and insulation barrier 124 are set in distance, and between confluence copper bar and insulation barrier 124, by insulating fixing piece 125, is connected.
By confluence copper bar, replace conventional wires to realize the internal wiring structure of high-voltage direct current, on cost, than employing cable, save half left and right, main busbar 105 is connected by the mode of crimping with bus-bar in cabinet, junction does not have air gap, it is a kind of face contact, the state lower surface that large electric current passes through is not easy to be oxidized, in addition, confluence copper bar surface adopts insulation barrier 124 and insulating fixing piece 125, can prevent that artificial touch from causing getting an electric shock, and between insulation barrier 124 and confluence copper bar, exist certain gap to be more conducive to the heat radiation of confluence copper bar.
Concrete, please refer to Fig. 5, Fig. 5 is the insulation barrier syndeton schematic diagram of the first embodiment.Confluence copper bar and insulation barrier 124 be arranged in parallel, and the spacing of confluence copper bar and insulation barrier 124 is 5-50mm, and preferred distance is 18mm, very fast the distributing of heat that this spacing can make confluence copper bar produce when large electric current.
Wherein, insulation barrier 124 adopts epoxy resin board, and insulating fixing piece 125 adopts nylon seat, and the relative rubber of epoxy resin is not easy to be damaged, and heatproof is more not easy aging.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the internal wiring structure schematic diagram of the sorting cabinet of the first embodiment, and Fig. 3 is the internal wiring structure schematic diagram of the power distribution cabinet of the first embodiment.
In cabinet, one end of rectification bus-bar 106 connects the rectification output end 112 of rectification module 103, in cabinet, the other end of rectification bus-bar 106 connects rectification main busbar 108, in cabinet, one end of distribution bus bars 107 connects the distribution input 121 of distributor 104, in cabinet, distribution bus bars 107 other ends connect distribution main busbar 109, and rectification main busbar 108 is connected by connector between cabinet 110 with distribution main busbar 109.
Wherein, rectification main busbar 108 and distribution main busbar 109 carry out crimping connection by connector between cabinet 110.
In rectifier cabinet 101, in cabinet, rectification bus-bar 106 connects rectification main busbar 108, in power distribution cabinet 102, in cabinet, distribution bus bars 107 connects distribution main busbar 109, between power distribution cabinet 102 and rectifier cabinet 101, use connector 110 between cabinet to connect conducting, between cabinet, connector 110 is a conductor, for conducting power distribution cabinet 102 and rectifier cabinet 101, be preferably the copper bar with the identical material of main busbar, adopt this wire structures, conducting between cabinet between each module of equipment is all responsible for by copper bar, high voltage direct current passes through copper bar, heat radiation in time, the mode of each junction employing face contact crimping, can there is not junction and oxidation occur and the situation of formation high resistant, and, the cross-sectional area of copper bar is large, internal resistance is little, more be conducive to reduce the loss of energy at transmission line.
Please refer to Fig. 7, Fig. 7 is the cabinet structure schematic diagram of the high-voltage direct current of the first embodiment.High-voltage direct current also comprises module output copper bar 113 and rectification layer output-parallel copper bar 114.
In rectifier cabinet 101, one or more rectification layers 122 can be set, each rectification layer 122 comprises one or more rectification modules 103, one end of module output copper bar 113 connects the rectification output end 112 of rectification module 103, the other end of module output copper bar 113 connects rectification layer output-parallel copper bar 114, one end of rectification bus-bar 106 in rectification layer output-parallel copper bar 114 connecting cabinets, in cabinet, the other end of rectification bus-bar 106 is connected on rectification main busbar 108.
In rectifier cabinet 101, be also provided with ac power switch 123, ac power switch 123 is interchange input control switches of rectification module 103; One side of ac power switch 123 connects the output of AC power, and the opposite side of ac power switch 123 connects the interchange input module 117 of rectification module 103.
Concrete, in cabinet, distribution bus bars 107 comprises direct current input copper bar 118, the first variable-direction connecting piece 116 and direct current output copper bar 120.
One end of direct current input copper bar 118 connects distribution main busbar 109, the other end of direct current input copper bar 118 connects the first variable-direction connecting piece 116, one end of direct current output copper bar 120 connects the first variable-direction connecting piece 116, and the other end of direct current output copper bar 120 connects the distribution input 121 of distributor 104.
Be understandable that, in power distribution cabinet 102, distributor 104 can arrange one or more according to demand; The distribution input 121 of distributor 104 is all connected in the interior distribution bus bars 107 of cabinet; by distribution bus bars in cabinet 107, realize being connected in parallel of multiple distributors 104; the present embodiment describes with the connected mode of a distributor 104, not in order to limit protection range of the present utility model.
Concrete, please refer to Fig. 6, Fig. 6 is the structural representation of the first variable-direction connecting piece of the first embodiment.In practical application, the arrangement mode of confluence copper bar need be determined according to the actual conditions of power distribution cabinet 102 or rectifier cabinet 101, confluence copper bar may have the break-in of needs to arrange or the situation such as wiring, while needing break-in to arrange or connect up in the present embodiment, the break-in of using variable-direction connecting piece can realize confluence copper bar connects, variable-direction connecting piece comprises that the structure of the first variable-direction connecting piece 116 and the second variable-direction connecting piece 119, the first variable-direction connecting pieces 116 and the second variable-direction connecting piece 119 is the same with principle.
One end of direct current input copper bar 118 connects distribution main busbar 109, the first variable-direction connecting piece 116 comprises vertically disposed the first conductor plate 126 and the second conductor plate 127 mutually, the first conductor plate 126 and the second conductor plate 127 are structure as a whole, the other end crimping of the first conductor plate 126 and direct current input copper bar 118, one end crimping of the second conductor plate and direct current output copper bar 120, the other end of direct current output copper bar 120 connects the distribution input 121 of distributor 104, has realized the conducting of direct current input copper bar 118 and direct current output copper bar 120.
Concrete, the thickness of confluence copper bar is 1-10mm, the width of described confluence copper bar is 5-80mm.From the rectification output end 112 of rectification module 103, output to DC bus and need to adopt the electric wire of 10 squares or the copper bar of 1*10mm by each module 35A electric current 30 ℃ time, after every layer of module exported and connected, cable need to be used 70 squares, the interior bus-bar of cabinet that confluence copper bar adopts 3*20mm to merge to 5*40 confluxes again and to main, saves 1 half left and right on cost.
In the present embodiment, all crimping modes of employing face contact that is connected between the input of copper bar and copper bar or copper bar and each module or output, are then bolted to connection portion, make connecting portion not have air gap.
The high-voltage direct current that the present embodiment proposes, it is different from traditional high-voltage direct current on internal wiring structure, inner connection is connected all employing confluence copper bar realizations with output, wire structures is more succinct, attractive in appearance, structure is compacter, and economical, as, rectification output end 112 output circuits of rectification module 103 are to main busbar, by the output current of each rectification module 103, be that 35A calculates, in temperature, be 30 while spending, traditional cable connected mode need to adopt the electric wire of 10 squares, after every layer of rectification layer 122 exported and connected, cable need to be used 70 squares, and the mode of use confluence copper bar, only need to adopt the confluence copper bar of 3*20mm to merge in the cabinet of 5*40mm bus-bar again and to main busbar 105, on cost, save 1 half left and right.
The high-voltage direct current that the present embodiment proposes, with the comparison of cable crimping mode, cable copper heart yearn copper is crossed on the online row of line ear crimping, what between every copper cash, exist is that a kind of line contacts and have certain air gap, the state lower surface that large electric current passes through is easily oxidized, and long-term work meeting causes the too high and interior resistive of local temperature large, and crimping between confluence copper bar is a kind of face contact, between there is not air gap, adopt the scheme of this example just not have this problem.
The high-voltage direct current that the present embodiment proposes, material and the syndeton of insulation barrier 124 also have great advantage, traditional cable connected mode, the multiplex rubber of outer wrap material of cable is easily damaged, not heatproof, easily aging, copper core and outer field electro-insulating rubber are bundled together, and experimental results show that heat radiation is unsatisfactory; And confluence copper bar surface adopts the syndeton of nylon seat and epoxy resin board, the relative rubber of epoxy resin is not easy to be damaged, heatproof more, is not easy agingly, has the heat radiation that certain air gap is conducive to confluence copper bar like this between epoxy resin board and confluence copper bar.
The high-voltage direct current that the present embodiment proposes, the one that is only the technical solution of the utility model is explained and explanation, in actual applications, rectifier cabinet 101 and power distribution cabinet 102 can be one or more, rectification module 103 and distributor 104 can be one or more, main busbar 105 can be a copper bar, be that distribution main busbar 109 and rectification main busbar 108 are structure as a whole, do not need connector 110 between cabinet to connect, also can realize the conducting between cabinet, in cabinet, the structure of bus-bar can change to some extent according to practical wiring situation, as bus-bar in cabinet is structure as a whole, when needs break-in connects, by twisting curved confluence copper bar, also can realize break-in connection, and without using variable-direction connecting piece to carry out break-in connection, or variable-direction connecting piece also can adopt the conductor of other shapes, and be not only confined to the variable-direction connecting piece of L-type conductor, as adopt square conductor etc. also can realize break-in to connect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a high-voltage direct current, is characterized in that, comprising: rectifier cabinet, power distribution cabinet and confluence copper bar;
In described rectifier cabinet, be provided with rectification module, in described power distribution cabinet, be provided with distributor, the distribution input of the rectification output end of described rectification module and described distributor is connected by confluence copper bar;
Described confluence copper bar comprises bus-bar in main busbar and cabinet, and in described main busbar and described cabinet, bus-bar is realized the conducting of bus-bar in described main busbar and described cabinet by the mode of crimping;
A side in described confluence copper bar is provided with insulation barrier, and described confluence copper bar and described insulation barrier are set in distance, and between described confluence copper bar and described insulation barrier, by insulating fixing piece, is connected.
2. high-voltage direct current according to claim 1, is characterized in that, described confluence copper bar and described insulation barrier parallel interval arrange, and the spacing of described confluence copper bar and described insulation barrier is 5-50mm.
3. high-voltage direct current according to claim 2, is characterized in that, the spacing of described confluence copper bar and described insulation barrier is 18mm.
4. high-voltage direct current according to claim 1, is characterized in that, described insulation barrier is epoxy resin board, and described insulating fixing piece is nylon seat.
5. high-voltage direct current according to claim 1, is characterized in that, described main busbar comprises connector between rectification main busbar, distribution main busbar and cabinet, and rectification bus-bar and the interior distribution bus bars of cabinet in cabinet are drawn together in the package of confluxing in described cabinet;
Described rectification main busbar is connected by connector between described cabinet with distribution main busbar; In described cabinet, one end of rectification bus-bar connects the rectification output end of described rectification module, in described cabinet, the other end of rectification bus-bar connects described rectification main busbar, in described cabinet, one end of distribution bus bars connects the distribution input of described distributor, and in described cabinet, the distribution bus bars other end connects described distribution main busbar.
6. high-voltage direct current according to claim 5, is characterized in that, also comprises module output copper bar and rectification layer output-parallel copper bar;
In described rectifier cabinet, be provided with multiple rectification layers, described rectification layer comprises multiple rectification modules; One end of described module output copper bar connects the rectification output end of described rectification module, and the other end of described module output copper bar connects rectification layer output-parallel copper bar; Described rectification layer output-parallel copper bar also connects rectification bus-bar in described cabinet.
7. high-voltage direct current according to claim 6, is characterized in that, in described cabinet, distribution bus bars comprises direct current input copper bar, the first variable-direction connecting piece and direct current output copper bar;
One end of described direct current input copper bar connects described distribution main busbar, the other end of described direct current input copper bar connects described the first variable-direction connecting piece, one end of described direct current output copper bar connects described the first variable-direction connecting piece, and the other end of described direct current output copper bar connects the distribution input of described distributor;
Described the first variable-direction connecting piece comprises vertically disposed the first conductor plate and the second conductor plate mutually, described the first conductor plate and described the second conductor plate are structure as a whole, the other end crimping of described the first conductor plate and described direct current input copper bar, one end crimping of described the second conductor plate and described direct current output copper bar, realizes the conducting of described direct current input copper bar and described direct current output copper bar.
8. high-voltage direct current according to claim 7, it is characterized in that, also comprise main busbar fixture, described main busbar fixture one side is fixedly connected on the cabinet sidewalls inner side of rectifier cabinet or power distribution cabinet, on described main busbar fixture He on described main busbar, be provided with threaded connection hole, by bolt, be threaded described main busbar and described main busbar fixture are fixed.
9. the high-voltage direct current described according to Claim 8, it is characterized in that, in described cabinet, on bus-bar, be provided with threaded connection hole, in described main busbar and described cabinet, bus-bar is threaded to realize the crimping of bus-bar in described main busbar and described cabinet by bolt.
10. according to the high-voltage direct current described in any one in claim 1 to 9, it is characterized in that, described confluence copper bar is sheet conducting copper, and the thickness of described confluence copper bar is 1-10mm, and the width of described confluence copper bar is 5-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678095.3U CN203554313U (en) | 2013-10-29 | 2013-10-29 | High-voltage direct current system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678095.3U CN203554313U (en) | 2013-10-29 | 2013-10-29 | High-voltage direct current system |
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| Publication Number | Publication Date |
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| CN203554313U true CN203554313U (en) | 2014-04-16 |
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| CN201320678095.3U Expired - Lifetime CN203554313U (en) | 2013-10-29 | 2013-10-29 | High-voltage direct current system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
-
2013
- 2013-10-29 CN CN201320678095.3U patent/CN203554313U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
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