CN205212716U - Can avoid puncturing rectifier for carborundum of short circuit phenomenon - Google Patents
Can avoid puncturing rectifier for carborundum of short circuit phenomenon Download PDFInfo
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- CN205212716U CN205212716U CN201521082891.6U CN201521082891U CN205212716U CN 205212716 U CN205212716 U CN 205212716U CN 201521082891 U CN201521082891 U CN 201521082891U CN 205212716 U CN205212716 U CN 205212716U
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- bus
- rectifier
- rectification
- carborundum
- negative pole
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Abstract
The utility model provides a can avoid puncturing rectifier for carborundum of short circuit phenomenon, be arranged in the rectification cabinet, dry cloth contains if putting the rectifier unit in rectification cabinet top and bottom, every rectifier unit all contains ac bus, the dc bus, a plurality of rectifier diode and the liquid cooling ware and the spring crimping mechanism that correspond with rectifier diode, transformer output's alternating current is connected to rectifier diode through ac bus and carries out the rectification, the direct current of output after the rectification passes through dc bus output, the both sides of dress at the dc bus are pasted to the rectifier diode symmetry, and compress tightly through liquid cooling ware and spring crimping mechanism, the dc bus divides two parts, partly positive pole that is, partly negative pole that is, wherein the dc bus among the rectifier unit of rectification cabinet top is anodal, dc bus among the rectifier unit of rectification cabinet bottom is the negative pole, the physics interval is greater than 1 meter between the positive negative pole. The utility model discloses draw back arrangement structure about positive and negative, make positive negative pole air distance more than 1 meter, guaranteed can do not not punctured the short circuit under the high voltage.
Description
Technical field
The utility model belongs to power electronic equipment technical field, particularly a kind of carborundum rectifier avoiding puncture short phenomenon.
Background technology
The running current of current carborundum industry rectifier is large, and mostly adopt same contrary version also, it has following shortcoming:
1. complex structure is positive and negative is close to easy short circuit: be close to contrary version is also positive and negative owing to adopting, under big current high voltage, easily produce short circuit accident, cause bridge arm unit to damage even whole unit and burn, bring disaster to the safety of rectifier transformer.
2. connection bus becomes fan-shaped layout and long: connection bus is different in size, and impedance is uneven; And connection bus and longer (generally more than 2 meters), loss increases, and directly affects unit operation efficiency.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of carborundum rectifier avoiding puncture short phenomenon, for a kind of energy-saving safe version and press-fit and connection scheme.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of carborundum rectifier avoiding puncture short phenomenon, be arranged in rectifier cabinet, comprise some rectification units being arranged in rectifier cabinet top and bottom, each rectification unit all comprises ac bus 1, DC bus 2, some rectifier diodes 3 and the water-filled radiator 5 corresponding with rectifier diode 3 and spring compression joint mechanism 4, the alternating current that transformer exports is connected to rectifier diode 3 by ac bus 1 and carries out rectification, the direct current exported after rectification is outwards exported by DC bus 2, described rectifier diode 3 symmetry is mounted on the both sides of DC bus 2, and compressed by water-filled radiator 5 and spring compression joint mechanism 4.Described DC bus 2 is divided into two parts, and a part is positive pole, and a part is negative pole, and the DC bus 2 wherein in rectifier cabinet top commutation unit is positive pole, and the DC bus 2 in rectifier cabinet bottom rectifying unit is negative pole, and between both positive and negative polarity, physical separation is greater than 1 meter.
Described ac bus 1 is positioned in the middle part of rectifier cabinet, all equal with the fore-and-aft distance of each rectification unit.
Described DC bus 2 has along its length six scallops, six scallops are the distribution form that two row three arrange on the cross section of DC bus 2.
Described water-filled radiator 5 comprises main radiator 51 and electric conductor 52, main radiator 51 is conical cavity body, electric conductor 52 is rectangular structure, the end of the length direction of main radiator 51 is connected by clinohedral 55 with the front end of the length direction of electric conductor 52, main radiator 51 inside is provided with the water-cooling channel 53 of multiple concentric loop configuration, separated by annular wall between multiple water-cooling channel 3, each annular wall there is connected entrance, thus form the passage of annularly wall bending flowing, the gateway of water-cooling channel 53 is all on the front end face of main radiator 51 length direction, electric conductor 52 is provided with 6 connecting holes 54 along its thickness direction.
Compared with prior art, the beneficial effects of the utility model are:
1. structural configuration is simple and safe: pull open arrangement up and down due to positive and negative, makes both positive and negative polarity air distance more than 1 meter, can not breakdown short circuit under ensure that high voltage.
2. DC bus is indeformable: adopt two-sided shaft-type pressed mode, ensure that DC bus not by other stress, indeformable, ensure that the reliability service of element under continuous and effective pressure.
3. connect simple effectively: with adopt in line to be the shortlyest connected between ac bus, greatly reduce A.C.power loss.
4. good heat dissipation effect: the radiator adopting water and band circular passage, makes radiating effect better, also solves the problem of water flowing corrosion.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model rectifier.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the front view of the utility model rectification unit.
Fig. 4 is the structural representation of the utility model water-filled radiator.
Fig. 5 is the schematic diagram of Fig. 4.
Fig. 6 is the connection diagram of the utility model and transformer.
Embodiment
Execution mode of the present utility model is described in detail below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, a kind of carborundum rectifier avoiding puncture short phenomenon, be arranged in rectifier cabinet, comprise some rectification units being arranged in rectifier cabinet top and bottom, the i.e. rectifier arm of a rectification unit, each rectification unit all comprises ac bus 1, DC bus 2, some rectifier diodes 3 and the water-filled radiator 5 corresponding with rectifier diode 3 and spring compression joint mechanism 4, the alternating current that transformer exports is connected to rectifier diode 3 by ac bus 1 and carries out rectification, and the direct current exported after rectification is outwards exported by DC bus 2.Wherein, described ac bus 1 is positioned in the middle part of rectifier cabinet, all equal with the fore-and-aft distance of each rectification unit, namely, ac bus 1 horizontally set in the middle part of rectifier cabinet, is connected in line connected mode one to one with each rectification unit, ac bus realizes in linely not bending; Can try one's best near arranging, reduce A.C.power loss, efficiency is improved.
DC bus 2 adopts 6063 alloy materials, it there are along its length six scallops, six scallops are the distribution form that two row three arrange on the cross section of DC bus 2, and pass into water in hole and realize water-cooled, existing enough intensity bears the pressure needed for rectifier diode 3; There are again enough water flowing flows, guarantee the heat-sinking capability needed for rectifier diode 3.
DC bus 2 is divided into two parts, a part is positive pole, a part is negative pole, DC bus 2 wherein in rectifier cabinet top commutation unit is positive pole, DC bus 2 in rectifier cabinet bottom rectifying unit is negative pole, between both positive and negative polarity, physical separation is greater than 1 meter, can not breakdown short circuit under ensure that high voltage.
As shown in Figure 3, in a rectification unit, each rectifier diode 3 symmetry is mounted on the both sides of DC bus 2, and compressed by water-filled radiator 5 and spring compression joint mechanism 4, realize a kind of axial symmetry press-fit approach, form a complete rectifier arm, rectifier arm can self-supporting or be fixed on the housing of rectifier cabinet by insulating part or antimagnetic material.The impedance of each rectifier diode 3 is the same, stressed the same, so just avoid the current stabilizing factor decline problem that the layout due to each rectifier diode 3 causes to a certain extent.
As shown in Figure 4 and Figure 5, the utility model water-filled radiator 5 adopts 6063 alloy materials, and the hot investment casting of available mould is shaping.It comprises main radiator 51 and electric conductor 52, main radiator 51 is conical cavity body, electric conductor 52 is rectangular structure, the end of the length direction of main radiator 51 is connected by clinohedral 55 with the front end of the length direction of electric conductor 52, main radiator 51 inside is provided with the water-cooling channel 53 of multiple concentric loop configuration, separated by annular wall between multiple water-cooling channel 3, each annular wall there is connected entrance, thus form the passage of annularly wall bending flowing, the gateway of water-cooling channel 53 is all on the front end face of main radiator 51 length direction, electric conductor 52 is provided with 6 connecting holes 54 along its thickness direction.The water-cooling channel 53 of multiring structure can ensure good radiating effect, and its gateway, at top, facilitates the access and exit control of current.
As shown in Figure 6, in the utility model, transformer output AC electricity is connected with ac bus 1, through ac bus 1 to fast acting fuse, rectifier diode 3 is arrived again through water-filled radiator 5, after carrying out rectification by rectifier diode 3, export DC-to-DC bus 2, finally outwards export direct current by DC bus 2.
Claims (3)
1. can avoid the carborundum rectifier of puncture short phenomenon for one kind, be arranged in rectifier cabinet, comprise some rectification units being arranged in rectifier cabinet top and bottom, each rectification unit all comprises ac bus (1), DC bus (2), some rectifier diodes (3) and the water-filled radiator (5) corresponding with rectifier diode (3) and spring compression joint mechanism (4), the alternating current that transformer exports is connected to rectifier diode (3) by ac bus (1) and carries out rectification, the direct current exported after rectification is outwards exported by DC bus (2), described rectifier diode (3) symmetry is mounted on the both sides of DC bus (2), and compressed by water-filled radiator (5) and spring compression joint mechanism (4), it is characterized in that, described DC bus (2) is divided into two parts, a part is positive pole, a part is negative pole, DC bus (2) wherein in rectifier cabinet top commutation unit is positive pole, DC bus (2) in rectifier cabinet bottom rectifying unit is negative pole, between both positive and negative polarity, physical separation is greater than 1 meter.
2. can avoid the carborundum rectifier of puncture short phenomenon according to claim 1, it is characterized in that, described ac bus (1) is positioned in the middle part of rectifier cabinet, all equal with the fore-and-aft distance of each rectification unit.
3. can avoid the carborundum rectifier of puncture short phenomenon according to claim 1, it is characterized in that, described DC bus (2) has along its length six scallops, six scallops are the distribution form that two row three arrange on the cross section of DC bus (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521082891.6U CN205212716U (en) | 2015-12-23 | 2015-12-23 | Can avoid puncturing rectifier for carborundum of short circuit phenomenon |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521082891.6U CN205212716U (en) | 2015-12-23 | 2015-12-23 | Can avoid puncturing rectifier for carborundum of short circuit phenomenon |
Publications (1)
Publication Number | Publication Date |
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CN205212716U true CN205212716U (en) | 2016-05-04 |
Family
ID=55850405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201521082891.6U Expired - Fee Related CN205212716U (en) | 2015-12-23 | 2015-12-23 | Can avoid puncturing rectifier for carborundum of short circuit phenomenon |
Country Status (1)
Country | Link |
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CN (1) | CN205212716U (en) |
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2015
- 2015-12-23 CN CN201521082891.6U patent/CN205212716U/en not_active Expired - Fee Related
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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: 20160504 Termination date: 20171223 |
|
CF01 | Termination of patent right due to non-payment of annual fee |