CN106787625A - A kind of switching power converter of three-phase four - Google Patents

A kind of switching power converter of three-phase four Download PDF

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Publication number
CN106787625A
CN106787625A CN201611239534.5A CN201611239534A CN106787625A CN 106787625 A CN106787625 A CN 106787625A CN 201611239534 A CN201611239534 A CN 201611239534A CN 106787625 A CN106787625 A CN 106787625A
Authority
CN
China
Prior art keywords
cabinet
phase
bar
fixed pin
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611239534.5A
Other languages
Chinese (zh)
Inventor
刘开成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuzhou Pinzhida Electrical Technology Co Ltd
Original Assignee
Chuzhou Pinzhida Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chuzhou Pinzhida Electrical Technology Co Ltd filed Critical Chuzhou Pinzhida Electrical Technology Co Ltd
Priority to CN201611239534.5A priority Critical patent/CN106787625A/en
Publication of CN106787625A publication Critical patent/CN106787625A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion

Abstract

The invention discloses a kind of switching power converter of three-phase four, including cabinet, three phase power module and controller, the three phase power module and controller are in cabinet, the cabinet is made up of shell body and inner housing, air vent is respectively equipped with shell body and inner housing, some ventilation fans are additionally provided with the cavity between shell body and inner housing;The disposed at air vent of the shell body is additionally provided with fly net;The bottom of the cabinet is additionally provided with mobile device, mobile device includes supporting leg, cross bar portion, universal wheel, fixed pin and left regulation wheel, the supporting leg is fixedly connected with bottom of cabinet bulk, and the lower end of supporting leg is provided with cross bar portion, and cross bar portion bottom is respectively arranged at two ends with universal wheel and fixed pin;The fixed pin is spun and through cross bar portion with cross bar portion by screw thread, and the part that fixed pin is located above cross bar portion is also connected with left regulation wheel by screw thread, and the length of fixed pin can be adjusted by left regulation wheel.

Description

A kind of switching power converter of three-phase four
Technical field
The present invention relates to electric power instrument field, more particularly to a kind of switching power converter of three-phase four.
Background technology
Wind generating technology has obtained quick development in China in recent years, and the capacity of separate unit blower fan also becomes increasingly Greatly, also accordingly lifting simultaneously constantly develops matched Converter Capacity towards the direction of high power density.
The core cell of current transformer is the power based on insulated gate bipolar transistor/integrated gate commutated thyristor design Module, its peripheral system includes the filter circuit, protection circuit, bus-bar system, cooling system, the control that are made around power model The structure such as system and cabinet.Current current transformer, mainly carries out peripheral system design with power model as unit, designs work Work amount is big, and the cycle is long, and the interface relationship complexity between power model and peripheral system, and the power mould of different manufacturer productions Block is difficult to unify on interface, causes the selection unification of power model, single so as to determine current transformer design direction.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the switch power of a kind of three-phase four for proposing Current transformer.
To achieve these goals, present invention employs following technical scheme:
A kind of switching power converter of three-phase four, including cabinet, three phase power module and controller, the three phase power module and In cabinet, the cabinet is made up of controller shell body and inner housing, and air vent is respectively equipped with shell body and inner housing, Some ventilation fans are additionally provided with cavity between shell body and inner housing;The disposed at air vent of the shell body is additionally provided with fly net;
The bottom of the cabinet is additionally provided with mobile device, and mobile device includes supporting leg, cross bar portion, universal wheel, fixed pin and tune Section wheel, the supporting leg is fixedly connected with bottom of cabinet bulk, and the lower end of supporting leg is provided with cross bar portion, and cross bar portion bottom two ends set respectively There are universal wheel and fixed pin;The fixed pin is spun and through cross bar portion with cross bar portion by screw thread, and fixed pin is located at cross bar portion The part of top is also connected with left regulation wheel by screw thread, and the length of fixed pin can be adjusted by left regulation wheel.
Preferably, two guide rails are provided with inside the cabinet, are respectively used to that three phase power module and controller are installed, it is described Three phase power module and controller can be slided on guide rail.
Preferably, the cabinet is provided with ac bus interface and dc bus interface, three phase power module respectively with friendship Stream bus interface and/or the electrical connection of dc bus interface, are used to by ac bus interface and/or dc bus interface and periphery System or other power cabinets are electrically connected.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, when the switching power converter of three-phase four works, ventilation fan is rotated, and accelerates the air circulation in cabinet, is prevented in cabinet Electronic unit trigger failure because operating temperature is too high.
2nd, the disposed at air vent of shell body is additionally provided with fly net, for preventing mosquito or other finely ground particles from entering in cabinet Portion, triggers damage parts.
3rd, in mobile cabinet, fixed pin is screwed on by left regulation wheel, universal wheel is contacted ground, you can easily by cabinet It is moved to specified location;After being moved to specified location, fixed pin is screwed off by left regulation wheel, make to fix pin and be supported on ground, it is universal Wheel is hanging, you can complete the fixation to cabinet.
4th, three phase power module and controller pass through guide rails assembling in cabinet using drawer push-and-pull structure, give three-phase work( The maintenance work of rate module and controller provides convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the switching power converter of three-phase four proposed by the present invention;
Fig. 2 is the guide rail structure schematic diagram in the switching power converter of a kind of three-phase four proposed by the present invention;
Fig. 3 is the structural representation of air interchanger in the switching power converter of a kind of three-phase four proposed by the present invention.
In figure:1st, shell body, 2, inner housing, 3, three phase power module, 4, controller, 5, ac bus interface, 6, direct current Bus interface, 7, air vent, 8, ventilation fan, 9, supporting leg, 10, cross bar portion, 11, universal wheel, 12, fixed pin, 13, left regulation wheel, 14th, guide rail, 15, fly net.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only a part of embodiment of the invention, rather than whole embodiments.
Reference picture 1-3, a kind of switching power converter of three-phase four, including cabinet, three phase power module 3 and controller 4, institute Three phase power module 3 and controller 4 are stated in cabinet, the cabinet is made up of shell body 1 and inner housing 2, shell body 1 and interior Air vent 7 is respectively equipped with housing 2, some ventilation fans 8 are additionally provided with the cavity between shell body 1 and inner housing 2.In three-phase four When switching power converter works, ventilation fan 8 is rotated, and accelerates the air circulation in cabinet, prevent electronic unit in cabinet by It is too high in operating temperature and trigger failure.Be additionally provided with fly net 15 at the air vent 7 of the shell body 1, for prevent mosquito or Other finely ground particles enter inside cabinet, trigger damage parts.
The bottom of the cabinet is additionally provided with mobile device, and mobile device includes supporting leg 9, cross bar portion 10, universal wheel 11, solid Determine pin 12 and left regulation wheel 13, the supporting leg 9 is fixedly connected with bottom of cabinet bulk, the lower end of supporting leg 9 is provided with cross bar portion 10, cross bar The bottom of portion 10 is respectively arranged at two ends with universal wheel 11 and fixed pin 12;The fixed pin 12 is spun and is worn with cross bar portion 10 by screw thread Cross bar portion 10 is crossed, the part that fixed pin 12 is located at the top of cross bar portion 10 is also connected with left regulation wheel 13 by screw thread, can be by regulation The length of the fixed pin 12 of the regulation of wheel 13.In mobile cabinet, fixed pin 12 is screwed on by left regulation wheel 13, make universal wheel 11 contiguously Face, you can cabinet is easily moved to specified location;After being moved to specified location, fixed pin 12 is screwed off by left regulation wheel 13, Make to fix pin 12 and be supported on ground, universal wheel 11 is hanging, you can complete the fixation to cabinet.
Two guide rails 14 are provided with inside the cabinet, are respectively used to that three phase power module 3 and controller 4, described three are installed Phase power model 3 and controller 4 can be slided on guide rail 14, and three phase power module 3 and controller 4 use drawer push-and-pull structure It is arranged in cabinet by guide rail 14, it is convenient to be provided to the maintenance work of three phase power module 3 and controller 4.The cabinet Be provided with ac bus interface 5 and dc bus interface 6, three phase power module 3 respectively with ac bus interface 5 and/or direct current Bus interface 6 is electrically connected, and is used to by ac bus interface 5 and/or dc bus interface 6 and peripheral system or other power cabinets Electrical connection.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.

Claims (3)

1. a kind of switching power converter of three-phase four, including cabinet, three phase power module(3)And controller(4), the three-phase work( Rate module(3)And controller(4)In cabinet, it is characterised in that the cabinet is by shell body(1)And inner housing(2)Composition, Shell body(1)And inner housing(2)On be respectively equipped with air vent(7), shell body(1)And inner housing(2)Between cavity in also set There are some ventilation fans(8);The shell body(1)Air vent(7)Place is additionally provided with fly net(15);
The bottom of the cabinet is additionally provided with mobile device, and mobile device includes supporting leg(9), cross bar portion(10), universal wheel(11)、 Fixed pin(12)And left regulation wheel(13), the supporting leg(9)It is fixedly connected with bottom of cabinet bulk, supporting leg(9)Lower end be provided with horizontal stroke Bar portion(10), cross bar portion(10)Bottom is respectively arranged at two ends with universal wheel(11)With fixed pin(12);The fixed pin(12)With horizontal stroke Bar portion(10)Spun by screw thread and through cross bar portion(10), fixed pin(12)Positioned at cross bar portion(10)The part of top also passes through Screw thread is connected with left regulation wheel(13), can be by left regulation wheel(13)The fixed pin of regulation(12)Length.
2. the switching power converter of a kind of three-phase four according to claim 1, it is characterised in that be provided with inside the cabinet Two guide rails(14), it is respectively used to that three phase power module is installed(3)And controller(4), the three phase power module(3)And control Device(4)Can be in guide rail(14)Upper slip.
3. the switching power converter of a kind of three-phase four according to claim 1, it is characterised in that the cabinet is provided with friendship Stream bus interface(5)With dc bus interface(6), three phase power module(3)Respectively with ac bus interface(5)And/or direct current Bus interface(6)Electrical connection, is used to by ac bus interface(5)And/or dc bus interface(6)With peripheral system or other Power cabinet is electrically connected.
CN201611239534.5A 2016-12-28 2016-12-28 A kind of switching power converter of three-phase four Pending CN106787625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611239534.5A CN106787625A (en) 2016-12-28 2016-12-28 A kind of switching power converter of three-phase four

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611239534.5A CN106787625A (en) 2016-12-28 2016-12-28 A kind of switching power converter of three-phase four

Publications (1)

Publication Number Publication Date
CN106787625A true CN106787625A (en) 2017-05-31

Family

ID=58923569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611239534.5A Pending CN106787625A (en) 2016-12-28 2016-12-28 A kind of switching power converter of three-phase four

Country Status (1)

Country Link
CN (1) CN106787625A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425423A (en) * 2017-07-05 2017-12-01 佛山杰致信息科技有限公司 A kind of high power distribution cabinet of security performance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204376690U (en) * 2015-02-26 2015-06-03 北京天诚同创电气有限公司 Power cabinet and current transformer
CN204609622U (en) * 2015-05-13 2015-09-02 皖西学院 A kind of high security theft proof strongbox
CN204771868U (en) * 2015-07-03 2015-11-18 安徽孺子牛轴承有限公司 Novel bearing ring surface grinding machine
CN105615340A (en) * 2016-03-17 2016-06-01 赵忠义 Multifunctional dampproof express cabinet
CN105910912A (en) * 2016-06-03 2016-08-31 东莞市宏图仪器有限公司 Dynamic mechanical load testing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204376690U (en) * 2015-02-26 2015-06-03 北京天诚同创电气有限公司 Power cabinet and current transformer
CN204609622U (en) * 2015-05-13 2015-09-02 皖西学院 A kind of high security theft proof strongbox
CN204771868U (en) * 2015-07-03 2015-11-18 安徽孺子牛轴承有限公司 Novel bearing ring surface grinding machine
CN105615340A (en) * 2016-03-17 2016-06-01 赵忠义 Multifunctional dampproof express cabinet
CN105910912A (en) * 2016-06-03 2016-08-31 东莞市宏图仪器有限公司 Dynamic mechanical load testing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425423A (en) * 2017-07-05 2017-12-01 佛山杰致信息科技有限公司 A kind of high power distribution cabinet of security performance

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RJ01 Rejection of invention patent application after publication

Application publication date: 20170531

RJ01 Rejection of invention patent application after publication