CN203180795U - Double reversed star-like rectifier - Google Patents
Double reversed star-like rectifier Download PDFInfo
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- CN203180795U CN203180795U CN 201320179362 CN201320179362U CN203180795U CN 203180795 U CN203180795 U CN 203180795U CN 201320179362 CN201320179362 CN 201320179362 CN 201320179362 U CN201320179362 U CN 201320179362U CN 203180795 U CN203180795 U CN 203180795U
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- rectifier
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- double reverse
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Abstract
The utility model discloses a double reversed star-like rectifier, including a cabinet, a rectification arm, a fast-melt arm, a transfer copper bar and an alternating current copper bar. The double reversed star-like rectifier is of a horizontal structure, the rectification arm is fixed on the cabinet, the rectification arm is connected with the fast-melt arm, the fast-melt arm is fixed on the transfer copper bar, the transfer copper bar is also connected with the alternating current copper bar, and the alternating current copper bar is fixed on the cabinet. The double reversed star-like rectifier described by the technical solution of the utility model can help to effectively reduce the amount of copper bar used, save manufacturing cost, reduce the volume of the cabinet, and facilitate production and transportation, is compact in structural design, and can reduce assembly workload of workers.
Description
Technical field
The utility model relates to a kind of rectifier structure, particularly relates to a kind of double reverse-stars type horizontal type structure rectifier that is applied to the big-power rectification power supply field.
Background technology
In the big-power rectification power supply field, the double reverse-stars type rectifying device is very common, mainly be applicable to voltage lower (general＜100V), electric current is the rectifier application of big (several kA～tens of kA).This Rectification Power Factor is widely used in electrolysis and the electrochemical field of non-ferrous metal.
Double reverse-stars type band interphase reactor rectification circuit as shown in Figure 1 generally is to be formed in parallel by two groups of three-plase half wave rectifier circuits.Double reverse-stars type band interphase reactor rectification circuit, under the situation of identical output DC stream and electric current reserve factor, the required rectifier cell number in parallel of each bar rectifier arm of rectification circuit of band interphase reactor only be half of bridge rectifier, makes that the forward power loss of rectifier cabinet only is half of bridge rectifier.Compare with other rectification circuits, double reverse-stars type band interphase reactor rectification circuit has improved the ability that rectifier cell bears load.Simultaneously, the double reverse-stars type rectification circuit has also been eliminated the magnetic potential imbalance, has improved the utilance of Transformer Winding, and the two-phase conduction is arranged simultaneously.Because the transformer magnetic circuit balance is not so there is the dc magnetization problem in the double reverse-stars type rectification circuit.Therefore, double reverse-stars type band interphase reactor rectification circuit is applicable to low-voltage, jumbo rectifying device widely.
And at present, the double reverse-stars type rectifier is to adopt vertical structure mostly.Shown in accompanying drawing 2 and 3, rectifier comprises cabinet 1, rectifier arm 2, molten arm 3, confluence copper bar 12 and exchange copper bar 5 soon.Rectifier arm 2 and fast molten arm 3 are fixed on the cabinet 1, and rectifier arm 2 arranges that with fast molten arm 3 front and back form a bridge arm unit, rectifier generally is made up of a plurality of bridge arm units.One end of rectifier arm 2 links together with an end of fast molten arm 3, and rectifier arm 2 and fast molten arm 3 all are fixed on the water-cooled copper bar.The other end of fast molten arm 3 connects interchange copper bar 5, is used for being connected with rectifier transformer valve side.The other end of rectifier arm 2 and confluence copper bar 12 link together, and form dc output end.
But the double reverse-stars type rectifier of this employing vertical structure also exists the technological deficiency of following aspects:
(1) each branch road of prior art double reverse-stars type vertical structure rectifier all needs to use separately the water-cooled copper bar, the large usage quantity of copper bar, and cost is very high;
(2) prior art double reverse-stars type vertical structure rectifier is for guaranteeing alternate spacing, and the length dimension of cabinet is bigger, causes weight heavier, is unfavorable for producing and transportation;
(3) structural design of prior art double reverse-stars type vertical structure rectifier is not compact, causes the assembly work amount bigger;
(4) the repair and maintenance space is little between the arm of prior art double reverse-stars type vertical structure rectifier, maintenance and replacing element difficulty, and waste time and energy;
(5) prior art double reverse-stars type vertical structure rectifier is connected inconvenience because cabinet is long with rectifier transformer, has increased the cost that connects copper bar greatly, has also increased the cost that cabinet is made simultaneously.
The utility model content
The purpose of this utility model provides a kind of double reverse-stars type rectifier, can effectively reduce the use amount of copper bar, saves manufacturing cost, can reduce the volume of cabinet, convenient production and transportation, and structural design compactness simultaneously can reduce the workload of workman's assembling.
In order to realize above-mentioned utility model purpose, the utility model specifically provides a kind of technic relization scheme of double reverse-stars type rectifier, and a kind of double reverse-stars type rectifier comprises: cabinet, rectifier arm, molten arm, switching copper bar and exchange copper bar soon.Described double reverse-stars type rectifier adopts horizontal type structure, and described rectifier arm is fixed on the cabinet.Described rectifier arm links to each other with described fast molten arm, and described fast molten arm is fixed on the described switching copper bar, and described switching copper bar also is connected with described interchange copper bar, and described interchange copper bar is fixed on the described cabinet.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described double reverse-stars type rectifier also comprises the water-cooled busbar, and described rectifier arm is fixed on the described cabinet by described water-cooled busbar.
Further improvement as a kind of double reverse-stars type rectifier of the utility model technical scheme, described rectifier arm comprises the rectifier arm unit, described rectifier arm unit further comprises water-filled radiator, press-fits annex and semiconductor element, and described water-filled radiator and semiconductor element press-fit annex and are fitted on the described water-cooled busbar by described.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described double reverse-stars type rectifier also comprises the water-cooled copper bar, and described fast molten arm is fixed on the described switching copper bar by described water-cooled copper bar.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described rectifier arm links to each other with described fast molten arm by described water-filled radiator.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described rectifier arm unit comprises two semiconductor elements, and described two semiconductor elements are by the described both sides that press-fit the described water-cooled busbar of being fitted in of annex symmetry.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described rectifier arm unit also comprises two water-filled radiators, and described two water-filled radiators are by the described both sides that press-fit the described water-cooled busbar of being fitted in of annex symmetry.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described double reverse-stars type rectifier comprises two rectifier arms, and a described rectifier arm comprises 6 rectifier arm unit.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described rectifier arm divides upper and lower two-layer being arranged in the described cabinet.
As the further improvement of a kind of double reverse-stars type rectifier of the utility model technical scheme, described fast molten arm divides upper and lower two-layer being arranged in the described cabinet, and the described rectifier arm and the described fast molten arm that are positioned at one deck are arranged side by side.
By implementing the technical scheme of a kind of double reverse-stars type rectifier of above-mentioned the utility model, have following technique effect:
(1) the double reverse-stars type rectifier of the utility model horizontal type structure reduces rectifier arm quantity by the optimization to the semiconductor element press-fit approach in a large number, so the minimizing of copper bar use amount, effectively reduces cost;
(2) the double reverse-stars type rectifier of the utility model horizontal type structure directly uses rectifier arm by the conversion from the vertical structure to the horizontal type structure as confluence copper bar, has reduced the copper bar consumption, thereby has also further reduced cost;
(3) the double reverse-stars type rectifier of the utility model horizontal type structure has improved the convenience of maintenance by the structure optimization mode, reduces the workload of assembling.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit topological structure figure of double reverse-stars type rectifier.
Fig. 2 is the structural representation front view of the vertical rectifier of prior art double reverse-stars type.
Fig. 3 is the structural representation end view of the vertical rectifier of prior art double reverse-stars type.
Fig. 4 is the structural representation front view of a kind of embodiment of a kind of double reverse-stars type rectifier of the utility model.
Fig. 5 is the structural representation end view of a kind of embodiment of a kind of double reverse-stars type rectifier of the utility model.
Fig. 6 is the structural representation front view of rectifier arm in a kind of embodiment of a kind of double reverse-stars type rectifier of the utility model.
Fig. 7 is the structural representation end view of rectifier arm in a kind of embodiment of a kind of double reverse-stars type rectifier of the utility model.
Fig. 8 is the perspective view of a kind of embodiment of a kind of double reverse-stars type rectifier of the utility model.
Among the figure: 1-cabinet, 2-rectifier arm, 3-be molten arm soon, the 4-copper bar of transferring, and 5-exchanges copper bar, 6-water-cooled copper bar, 7-water-cooled busbar, the 8-water-filled radiator, 9-press-fits annex, the 10-semiconductor element, the 11-fast acting fuse, the 12-confluence copper bar, 20-rectifier arm unit, 30-is molten arm unit soon.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in accompanying drawing 4 to 8, provided the specific embodiment of a kind of double reverse-stars type rectifier of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The embodiment of a kind of double reverse-stars type rectifier shown in accompanying drawing 4,5 and 8 comprises: cabinet 1, rectifier arm 2, molten arm 3, switching copper bar 4 and exchange copper bar 5 soon.The double reverse-stars type rectifier adopts horizontal type structure, and rectifier arm 2 is fixed on the cabinet 1.Rectifier arm 2 links to each other with soon molten arm 3, and molten arm 3 is fixed on the switching copper bar 4 soon, and switching copper bar 4 also is connected with interchange copper bar 5.As shown in Figure 1, exchange copper bar 5 and be used for being connected with the valve side A place of rectifier transformer, exchange copper bar 5 and be fixed on the cabinet 1.As a kind of preferred implementation, the double reverse-stars type rectifier also further comprises water-cooled busbar 7, and rectifier arm 2 is fixed on the cabinet 1 by water-cooled busbar 7.
Shown in accompanying drawing 4,6 and 7, rectifier arm 2 further comprises rectifier arm unit 20.Fast molten arm 3 further comprises fast molten arm unit 30.As a kind of typical execution mode, the double reverse-stars type rectifier comprises two rectifier arms 2, and each rectifier arm 2 comprises 6 rectifier arm unit 20 again.Rectifier arm unit 20 further comprises water-filled radiator 8, press-fits annex 9 and semiconductor element 10.Water-filled radiator 8 and semiconductor element 10 are fitted on the water-cooled busbar 7 by press-fiting annex 9 respectively.Each rectifier arm unit 20 further comprises the both sides that are fitted in water-cooled busbar 7 of 10, two semiconductor element 10 symmetries of two semiconductor elements of each branch road parallel connection.Each rectifier arm unit 20 comprises further that also 8, two water-filled radiators 8 of two water-filled radiators are by press-fiting the both sides that are fitted in water-cooled busbar 7 of annex 9 symmetries.Shown in accompanying drawing 5,6 and 7, the semiconductor element 10 of rectifier arm unit 20 further links to each other by the fast acting fuse 11 of water-filled radiator 8 with fast molten arm unit 30.
When double reverse-stars type rectifier output current value was big, the double reverse-stars type rectifier also further comprised water-cooled copper bar 6, and molten arm 3 is fixed on the switching copper bar 4 by water-cooled copper bar 6 soon.As a kind of typical execution mode, 2 fens upper and lower two-layer being arranged in the cabinet 1 of rectifier arm.Simultaneously, molten arm 3 also divides upper and lower two-layer being arranged in the cabinet 1 soon, and the rectifier arm 2 and the fast molten arm 3 that are positioned at one deck are arranged side by side.
Technique scheme by the description of the utility model embodiment, at first the mounting means of semiconductor element 10 on water-cooled busbar 7 optimized, vertical structure is to adopt semiconductor element upper and lower being installed on the water-cooled copper bar side by side, needs 12 rectifier arms 2 altogether.And the horizontal type structure that the utility model double reverse-stars type rectifier adopts with semiconductor element 10(in parallel as: adopt thyristor) both sides that are fitted in water-cooled busbar 7 of symmetry, only need two rectifier arms 2, significantly reduced the use amount of copper bar, reduced cost.Simultaneously, the rectifier arm 2 in the horizontal type structure double reverse-stars type rectifier can directly use as direct current output (being confluence copper bar 12), and than vertical structure, this part copper bar no longer needs independent setting, has saved the copper bar use amount.Standard at the 16kA/110V of same circuits, the double reverse-stars type rectifier of two semiconductor element 10 parallel connections, adopt horizontal type structure can reach 50%～70% than the copper bar use amount that adopts vertical structure to reduce, the volume of cabinet 1 can reduce about about 30%, by the structure optimization mode, improve the maintenance convenience, reduced the assembly work amount.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet is not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore; every content that does not break away from technical solutions of the utility model; any simple modification of above embodiment being done according to technical spirit of the present utility model, be equal to replacements, equivalence changes and modify, all still belong in the scope that technical solutions of the utility model protect.
Claims (10)
1. a double reverse-stars type rectifier is characterized in that, comprising: cabinet (1), rectifier arm (2), molten arm (3), switching copper bar (4) and exchange copper bar (5) soon; Described double reverse-stars type rectifier adopts horizontal type structure, described rectifier arm (2) is fixed on the cabinet (1), described rectifier arm (2) links to each other with described fast molten arm (3), described fast molten arm (3) is fixed on the described switching copper bar (4), described switching copper bar (4) also is connected with described interchange copper bar (5), and described interchange copper bar (5) is fixed on the described cabinet (1).
2. a kind of double reverse-stars type rectifier according to claim 1, it is characterized in that: described double reverse-stars type rectifier also comprises water-cooled busbar (7), described rectifier arm (2) is fixed on the described cabinet (1) by described water-cooled busbar (7).
3. a kind of double reverse-stars type rectifier according to claim 2, it is characterized in that: described rectifier arm (2) comprises rectifier arm unit (20), described rectifier arm unit (20) further comprises water-filled radiator (8), press-fits annex (9) and semiconductor element (10), and described water-filled radiator (8) and semiconductor element (10) press-fit annex (9) and are fitted on the described water-cooled busbar (7) by described.
4. a kind of double reverse-stars type rectifier according to claim 3, it is characterized in that: described double reverse-stars type rectifier also comprises water-cooled copper bar (6), described fast molten arm (3) is fixed on the described switching copper bar (4) by described water-cooled copper bar (6).
5. a kind of double reverse-stars type rectifier according to claim 4 is characterized in that: described rectifier arm (2) links to each other with the described arm (3) that melts soon by described water-filled radiator (8).
6. according to the described a kind of double reverse-stars type rectifier of arbitrary claim in the claim 3 to 5, it is characterized in that: described rectifier arm unit (20) comprises two semiconductor elements (10), and described two semiconductor elements (10) are by the described both sides that are fitted in described water-cooled busbar (7) that press-fit annex (9) symmetry.
7. a kind of double reverse-stars type rectifier according to claim 6, it is characterized in that: described rectifier arm unit (20) also comprises two water-filled radiators (8), and described two water-filled radiators (8) are by the described both sides that are fitted in described water-cooled busbar (7) that press-fit annex (9) symmetry.
8. according to the described a kind of double reverse-stars type rectifier of arbitrary claim in the claim 1,2,3,4,5,7, it is characterized in that: described double reverse-stars type rectifier comprises two rectifier arms (2), and a described rectifier arm (2) comprises 6 rectifier arm unit (20).
9. a kind of double reverse-stars type rectifier according to claim 8 is characterized in that: upper and lower two-layer being arranged in the described cabinet (1) of described rectifier arm (2) branch.
10. a kind of double reverse-stars type rectifier according to claim 9 is characterized in that: described fast molten arm (3) divides upper and lower two-layer being arranged in the described cabinet (1), and the described rectifier arm (2) and the described arm (3) that melts soon that are positioned at one deck are arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179362 CN203180795U (en) | 2013-04-11 | 2013-04-11 | Double reversed star-like rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179362 CN203180795U (en) | 2013-04-11 | 2013-04-11 | Double reversed star-like rectifier |
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| Publication Number | Publication Date |
|---|---|
| CN203180795U true CN203180795U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320179362 Expired - Fee Related CN203180795U (en) | 2013-04-11 | 2013-04-11 | Double reversed star-like rectifier |
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| CN (1) | CN203180795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887997A (en) * | 2014-03-11 | 2014-06-25 | 龚秋声 | Five-stem double-six-phase semiwave controllable rectifying circuit |
-
2013
- 2013-04-11 CN CN 201320179362 patent/CN203180795U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887997A (en) * | 2014-03-11 | 2014-06-25 | 龚秋声 | Five-stem double-six-phase semiwave controllable rectifying circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20200411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |