CN105429438B - A kind of building hoist case frequency converter and building hoist - Google Patents

A kind of building hoist case frequency converter and building hoist Download PDF

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Publication number
CN105429438B
CN105429438B CN201511016217.2A CN201511016217A CN105429438B CN 105429438 B CN105429438 B CN 105429438B CN 201511016217 A CN201511016217 A CN 201511016217A CN 105429438 B CN105429438 B CN 105429438B
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CN
China
Prior art keywords
frequency converter
building hoist
chassis component
component
case frequency
Prior art date
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Active
Application number
CN201511016217.2A
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Chinese (zh)
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CN105429438A (en
Inventor
许聪
赵浪
欧阳威
滕建新
王勇
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.)
JOINHAND CONSTRUCTION MACHINERY CO Ltd
Shenzhen Invt Electric Co Ltd
Original Assignee
JOINHAND CONSTRUCTION MACHINERY CO Ltd
Shenzhen Invt Electric 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.)
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Application filed by JOINHAND CONSTRUCTION MACHINERY CO Ltd, Shenzhen Invt Electric Co Ltd filed Critical JOINHAND CONSTRUCTION MACHINERY CO Ltd
Priority to CN201511016217.2A priority Critical patent/CN105429438B/en
Publication of CN105429438A publication Critical patent/CN105429438A/en
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Publication of CN105429438B publication Critical patent/CN105429438B/en
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Classifications

    • 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components

Abstract

This application provides a kind of building hoist case frequency converter and building hoist, building hoist case frequency converter includes:Chassis component, modularization movement, partition board and heat dissipation wind channel;Modularization movement includes:Cassette mechanism structure component, radiator, fan component, IGBT module, braking IGBT module, rectification module, driving plate, control panel and capacitance;Radiator, fan component, IGBT module, braking IGBT module, rectification module, driving plate, control panel and the equal separate removable of capacitance are mounted on cassette mechanism structure component;The inside division of chassis component is movement chamber and terminal cavities by partition board, and modularization movement is fixedly mounted on the movement intracavitary;Channel and air outlet where air inlet, partition board, capacitance and radiator form heat dissipation wind channel.In this application, frequency converter internal structure is improved, frequency converter internal structure is made to become compact, to reduce frequency converter overall volume, installation of the frequency converter in cage is made to become to be more prone to.

Description

A kind of building hoist case frequency converter and building hoist
Technical field
This application involves field of power electronics, more particularly to a kind of building hoist case frequency converter and building hoist.
Background technology
Also start that frequency converter is widely used with the extensive use of frequency converter, in building hoist.Wherein, frequency conversion utensil Body is mounted in the cage of building hoist.
It is limited that frequency converter in cage is limited to cage space, it is desirable that and inside installation integrated level is high, but at present The devices such as IGBT module in frequency converter, braking IGBT module, rectification module, capacitance and chassis component are by multilayer or various Formula is assembled, and frequency converter internal structure is not compact, causes frequency converter overall volume larger, is not easy to install in cage.
Invention content
In order to solve the above technical problems, the embodiment of the present application provides a kind of building hoist case frequency converter and lifting of constructing Machine makes frequency converter internal structure become compact to reach, and to reduce frequency converter overall volume, makes peace of the frequency converter in cage Dress becomes the purpose being more prone to, and technical solution is as follows:
A kind of building hoist case frequency converter, including:Chassis component, modularization movement, partition board and heat dissipation wind channel;
The modularization movement includes:Cassette mechanism structure component, radiator, fan component, IGBT module, braking IGBT moulds Block, rectification module, driving plate, control panel and capacitance;
The radiator, the fan component, the IGBT module, the braking IGBT module, the rectification module, institute State being mounted on the cassette mechanism structure component for driving plate, the control panel and the equal separate removable of the capacitance;
The inside division of the chassis component is movement chamber and terminal cavities by the partition board, and the modularization movement fixes peace Mounted in the movement intracavitary;
The chassis component shell is provided with air inlet, the chassis component shell on the one side of the capacitance Be provided with air outlet on the another side of the fan component, the air inlet, the partition board, the capacitance and described Channel and the air outlet where radiator form the heat dissipation wind channel.
Preferably, further include:
Input and output terminal, be mounted on the terminal cavities in, for the modularization movement respectively with input power, construction The motor of the cage of elevator is connected.
Preferably, the terminal cavities are arranged in the chassis component neighbouring with the connection jaws of the construction elevator cage motor One end.
Preferably, further include:Pinboard and waterproof connector;
The pinboard is adapted to installation with the line outlet close to terminal cavities setting on the chassis component;
The waterproof connector and the pinboard Matching installation.
Preferably, the chassis component includes waterproof return-flow structure;
The waterproof return-flow structure is specially the flanging turned down outward being arranged in the chassis component open edge.
Preferably, the waterproof return-flow structure further includes:It is arranged in the cover being fixedly mounted with the chassis component The sealing joint strip of side surrounding;
The sealing joint strip is formed with the flanging and is sealed.
Preferably, the air outlet is shutter.
Preferably, it is provided with ventilation hole on the one side of the close capacitance of the cassette mechanism structure assembly housing.
Preferably, the thickness of the chassis component is less than the width dimensions of the chassis component and the chassis component Thickness be less than the chassis component height dimension.
A kind of building hoist, which is characterized in that including left cage, right cage and two as described in above-mentioned any one Building hoist case frequency converter, described two case frequency converters are separately mounted in the left cage and the right cage It is interior;
Wherein, the terminal cavities for the building hoist case frequency converter being mounted in the left cage are located at the right side of chassis component Side;
The terminal cavities of building hoist case frequency converter in the right cage are located at the left side of chassis component.
Compared with prior art, the application has the beneficial effect that:
In this application, by the radiator, the IGBT module, the braking IGBT module, the rectification module, institute That states driving plate, the control panel, the fan component and the equal separate removable of the capacitance is mounted on the cassette mechanism structure group On part, make the devices such as radiator, IGBT module, braking IGBT module, rectification module, driving plate, control panel, fan component and capacitance Part modularity forms modularization movement, and modularization movement is mounted on inside chassis component, frequency converter internal structure is improved, So that frequency converter internal structure is become compact, to reduce frequency converter overall volume, installation of the frequency converter in cage is made to become It is more prone to.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings His attached drawing.
Fig. 1 is a kind of structural schematic diagram of building hoist case frequency converter provided by the present application;
Fig. 2 is a kind of structural schematic diagram of modularization movement provided by the present application;
Fig. 3 is a kind of dismounting schematic diagram of building hoist case frequency converter provided by the present application;
Fig. 4 is a kind of structural schematic diagram of air inlet and outlet provided by the present application;
Fig. 5 is that schematic diagram is moved towards in air inlet provided by the present application, outlet air;
Fig. 6 is another structural schematic diagram of building hoist case frequency converter provided by the present application;
Fig. 7 is a kind of schematic view of the mounting position of pinboard provided by the present application;
Fig. 8 is a kind of schematic diagram of waterproof return-flow structure provided by the present application;
Fig. 9 is another schematic diagram of waterproof return-flow structure provided by the present application;
Figure 10 is another schematic view of the mounting position of pinboard provided by the present application;
Figure 11 is the schematic diagram of the vertical type mounting means of building hoist case frequency converter provided by the present application;
Figure 12 is the schematic diagram of the gauche form mounting means of building hoist case frequency converter provided by the present application;
Figure 13 is a kind of schematic diagram of switching board type provided by the present application;
Figure 14 is a kind of schematic diagram of waterproof connector type provided by the present application;
Figure 15 is another schematic diagram of switching board type provided by the present application;
Figure 16 is another schematic diagram of waterproof connector type provided by the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.
Embodiment one
In the present embodiment, a kind of building hoist case frequency converter is shown, please also refer to Fig. 1 to Fig. 3, construction rises Dropping cabinet-type frequency converter includes:Chassis component 11, modularization movement 12, partition board 13 and heat dissipation wind channel 14.
The modularization movement 12 includes:Cassette mechanism structure component 121, radiator 122, IGBT module 123, braking IGBT moulds Block 124, rectification module 125, driving plate 126, control panel 130, fan component 131 and capacitance 132.
The radiator 122, the fan component 131, the IGBT module 123, the braking IGBT module 124, institute State rectification module 125,132 equal separate removable of the driving plate 126, the control panel 130 and the capacitance be mounted on institute It states on cassette mechanism structure component 121.
The inside division of the chassis component 11 is movement chamber 111 and terminal cavities 112, the modularization by the partition board 13 Movement 12 is fixedly mounted in the movement chamber 111.
11 shell of the chassis component is provided with air inlet 113, the cabinet on the one side of the capacitance 132 11 shell of component is provided with air outlet 114 on the another side of the fan component 131, the air inlet 113, described Channel and the air outlet 114 where partition board 13, the capacitance 132 and the radiator 122 form the heat dissipation wind channel 14.
In the present embodiment, cassette mechanism structure component 121 specifically includes Sheet Metal Part and other installation supporting structures.
In the radiator 122, IGBT module 123, the braking IGBT module 124, the rectification module 125, described When some device in driving plate 126, the control panel 130, the fan component 131 and the capacitance 132 damages, The device that damage can individually be removed repairs, for example, when fan component 131 needs to safeguard, it is only necessary to from movement knot Windshield plate 1311 is first removed on structure component 121, then removes fan 1312 again, as shown in Figure 3.
In the present embodiment, the thickness of the chassis component 11 is less than width dimensions and the institute of the chassis component 11 The thickness for stating chassis component 11 is less than the height dimension of the chassis component 11, and it is flattening to make the structure of chassis component 11 Structure can be more easily mounted in cage.Certainly, 12 being also adapted to property of modularization movement can be mounted on compressed structure Chassis component 11 in.
In the present embodiment, modularization movement can also include:Hall element 127, cement resistor 128 and lighting protection plate 129.
129 equal separate removable of the Hall element 127, the cement resistor 128 and the lighting protection plate is mounted on institute It states on cassette mechanism structure component 121.
In the present embodiment, modularization movement 12 further includes keyboard 133, wherein is provided with driving plate in driving plate 126 126 main terminals 135 are provided with control terminal 134 on control panel 130.
In this application, by the radiator 122, IGBT module 123, the braking IGBT module 124, described whole Flow module 125, the driving plate 126, the control panel 130, the fan component 131 and the capacitance 132 are independent removable That unloads is mounted on the cassette mechanism structure component 121, makes radiator 122, IGBT module 123, braking IGBT module 124, rectification The devices modularities such as module 125, driving plate 126, control panel 130, fan component 131 and capacitance 132 form modularization movement 12, modularization movement 12 is mounted on inside chassis component 11, frequency converter internal structure is improved, frequency converter internal structure is made to become Must be compact, to reduce frequency converter overall volume, installation of the frequency converter in cage is made to become to be more prone to.
Further, the radiator 122, the IGBT module 123, the braking IGBT module 124, the rectification mould Block 125,131 equal separate removable of the driving plate 126, the control panel 130 and the fan component be mounted on the machine It is easy for installation on cored structure component 121, and when some device damages, it is only necessary to which that individually damaging occurs in dismounting Device repairs or disassembles modularization movement 12 carries out detachable maintaining to the device for occurring damaging again, does not need Whole frequency converter is disassembled, dismantlement work amount is reduced, shortens the total time of repair, to improve maintenance efficiency.
Also, the air inlet 113 and air outlet 114 that are arranged on 11 shell of chassis component and the setting in heat dissipation wind channel 14 Radiator 122, ensure building hoist case frequency converter can radiate in time, improve building hoist case frequency converter Heat dissipation performance makes building hoist case frequency converter have good heat dissipation performance.
The inside division of the chassis component 11 is movement chamber 111 and terminal cavities 112 by partition board 13, can in terminal cavities 112 To house corresponding terminal, each device for including for the modularization movement in movement chamber 111 is connect with external equipment, is made interior Portion's wiring is more clear, and is providing convenience property of wiring.
Embodiment two
In the present embodiment, please also refer to Fig. 4 to Fig. 9, building hoist case frequency converter can also include:It inputs defeated Go out terminal 13, as shown in Figure 6.
Input and output terminal 13 is mounted in the terminal cavities 112, electric with input respectively for the modularization movement 12 Source, building hoist the motor of cage be connected.In the present embodiment, building hoist case frequency converter is provided with contactor SW, contactor SW are mounted in chassis component 11.
In the present embodiment, above-mentioned building hoist case frequency converter can also include:Pinboard 15 and waterproof connector 16.
The pinboard 15 is adapted to installation with the line outlet being arranged close to the terminal cavities 112 on the chassis component 11.
The waterproof connector 16 and 15 Matching installation of the pinboard.
In the present embodiment, line outlet can be specifically arranged on chassis component 11 close to the side of the terminal cavities 112, Correspondingly, pinboard 15 is also disposed at close to the side of the terminal cavities 112 on chassis component 11, as shown in fig. 7, a in Fig. 7 Figure is the right side view of chassis component 11, and the b figures in Fig. 7 are the front view of building hoist case frequency converter.
The waterproof connector 16 of setting prevents the circuit of building hoist case frequency converter to be directly exposed to open air, makes circuit not It is corroded by rain, snow or frost, reduces the risk of building hoist case frequency converter water inlet.
In the present embodiment, chassis component 11 includes waterproof return-flow structure.
The waterproof return-flow structure is specially the flanging turned down outward being arranged in 11 open edge of the chassis component 115, as shown in Figure 8.
The flanging 115 turned down outward in 11 open edge of the chassis component is set, can make cover 17 with cabinet Component 11 effectively prevents water from entering in chassis component 11 when being closed connection.
In the present embodiment, the waterproof return-flow structure in the building hoist case frequency converter shown in Fig. 6 can also include: Sealing joint strip 116, as shown in Figure 9.
The inside surrounding in the cover 17 being fixedly mounted with the chassis component 11 is arranged in sealing joint strip 116.
Sealing joint strip 116 is used to be formed with the flanging 115 and seal, and preferably prevents water from entering in chassis component 11.
In the present embodiment, the air outlet 114 is shutter, as shown in Figure 4.Air outlet 114 is shutter knot Structure, the rain that can effectively avoid dripping or float enter in chassis component 11.
121 shell of cassette mechanism structure component is provided with ventilation hole 136 on the one side of the capacitance 132, such as Shown in Fig. 2.
In the present embodiment, air outlet 114 is shutter and waterproof return-flow structure on chassis component 11 and anti- Water swivel can effectively avoid the rain that drips or float, and reduce the risk of frequency converter water inlet, degree of protection is made to reach IP23.
In the above-described embodiments, the terminal cavities 112 are arranged adjacent in the connection jaws with the construction elevator cage motor One end of close chassis component 11.Wherein, terminal cavities 112 are arranged neighbouring with the connection jaws of the construction elevator cage motor Chassis component 11 one end, can ensure not exist close to the outlet of line outlet of terminal cavities setting from chassis component 11 It goes for a stroll in cage, is directly connect with the connection jaws of cage, it is in disorder to avoid back panel wiring.
The left or right in chassis component 11 can be specifically arranged in terminal cavities 112, to adapt in different type cage Installation.Wherein, the terminal cavities 112 of the building hoist case frequency converter in left cage are arranged in chassis component 11 Right end, as shown in fig. 7, a figures in Fig. 7 are the right side view of chassis component 11, the b figures in Fig. 7 are the cabinet type change of building hoist The front view of frequency device.The terminal cavities 112 of building hoist case frequency converter in right cage are arranged in chassis component 11 Left end, as shown in Figure 10, c figures are the front view of building hoist case frequency converter, and d is the left side view of chassis component 11.
In the above-described embodiments, chassis component 11 passes through upper mounting rail O, the adjustment of lower mounting rail U assembly methods, frequency converter Vertical type installation, gauche form installation, more conducively application of the frequency converter in different cage structures may be implemented.Such as Figure 11 and Figure 12 institutes Show, Figure 11 shows that vertical type mounting means, Figure 12 show gauche form mounting means.
Outlet is separately used for, it can be achieved that installing different waterproof connectors by pinboard selection, user's difference wiring can be met The demand of mode.For example, it is Type B that pinboard 15, which uses 1 type of pinboard, corresponding Type B trepanning mode, corresponding waterproof connector 16, Waterproof connector, as shown in Figure 13 and Figure 14.Pinboard uses 2 type of pinboard, corresponding A type trepanning mode, corresponding waterproof to connect Head is A type waterproof connectors, as shown in Figure 15 and Figure 16.
Embodiment three
In the present embodiment, a kind of building hoist, including left cage 21, right cage 22 and two construction liftings are provided Cabinet-type frequency converter, described two case frequency converters are separately mounted in the left cage and in the right cage.
Wherein, the terminal cavities for the building hoist case frequency converter 23 being mounted in the left cage 21 are located at chassis component Right side.
The terminal cavities of building hoist case frequency converter 24 in the right cage 22 are located at a left side for chassis component Side.
In the present embodiment, the concrete structure of building hoist case frequency converter 23 and building hoist case frequency converter 24 The building hoist case frequency converter shown in embodiment one and embodiment two is referred to, details are not described herein.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other. For device class embodiment, since it is basically similar to the method embodiment, so fairly simple, the related place ginseng of description See the part explanation of embodiment of the method.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Detailed Jie has been carried out to a kind of building hoist case frequency converter provided herein and building hoist above It continues, specific examples are used herein to illustrate the principle and implementation manner of the present application, and the explanation of above example is only It is to be used to help understand the method for this application and its core ideas;Meanwhile for those of ordinary skill in the art, according to this Shen Thought please, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage Solution is the limitation to the application.

Claims (9)

1. a kind of building hoist case frequency converter, which is characterized in that including:Chassis component, modularization movement, partition board and heat dissipation Air duct;
The modularization movement includes:Cassette mechanism structure component, fan component, IGBT module, brakes IGBT module, is whole radiator Flow module, driving plate, control panel and capacitance;
The radiator, the fan component, the IGBT module, the braking IGBT module, the rectification module, the drive Movable plate, the control panel and the equal separate removable of the capacitance are mounted on the cassette mechanism structure component;
The inside division of the chassis component is movement chamber and terminal cavities by the partition board, and the modularization movement is fixedly mounted on The movement intracavitary, the terminal cavities are arranged in the chassis component neighbouring with the connection jaws of construction elevator cage motor One end;
The chassis component shell is provided with air inlet on the one side of the capacitance, and the chassis component shell leans on It is provided with air outlet, the air inlet, the partition board, the capacitance and the heat dissipation on the another side of the nearly fan component Channel and the air outlet where device form the heat dissipation wind channel.
2. building hoist case frequency converter according to claim 1, which is characterized in that further include:
Input and output terminal is mounted in the terminal cavities, is lifted respectively with input power, construction for the modularization movement The motor of the cage of machine is connected.
3. building hoist case frequency converter according to claim 1, which is characterized in that further include:Pinboard and waterproof Connector;
The pinboard is adapted to installation with the line outlet close to terminal cavities setting on the chassis component;
The waterproof connector and the pinboard Matching installation.
4. building hoist case frequency converter according to claim 3, which is characterized in that the chassis component includes waterproof Return-flow structure;
The waterproof return-flow structure is specially the flanging turned down outward being arranged in the chassis component open edge.
5. building hoist case frequency converter according to claim 4, which is characterized in that the waterproof return-flow structure also wraps It includes:Sealing joint strip in the inside surrounding for the cover being fixedly mounted with the chassis component is set;
The sealing joint strip is formed with the flanging and is sealed.
6. building hoist case frequency converter according to claim 5, which is characterized in that the air outlet is shutter knot Structure.
7. building hoist case frequency converter according to claim 1, which is characterized in that the cassette mechanism structure assembly housing Close to the capacitance one side on be provided with ventilation hole.
8. building hoist case frequency converter according to claim 1, which is characterized in that the thickness gauge of the chassis component The thickness of the very little width dimensions less than the chassis component and the chassis component is less than the height gauge of the chassis component It is very little.
9. a kind of building hoist, which is characterized in that any one including such as claim 1 to 8 of left cage, right cage and two Building hoist case frequency converter described in, described two case frequency converters are separately mounted in the left cage and the right side In cage;
Wherein, the terminal cavities for the building hoist case frequency converter being mounted in the left cage are located at the right side of chassis component;
The terminal cavities of building hoist case frequency converter in the right cage are located at the left side of chassis component.
CN201511016217.2A 2015-12-29 2015-12-29 A kind of building hoist case frequency converter and building hoist Active CN105429438B (en)

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CN105429438B true CN105429438B (en) 2018-08-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109494992B (en) * 2017-09-12 2020-07-28 株洲中车时代电气股份有限公司 Frequency converter

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Publication number Priority date Publication date Assignee Title
US6456516B1 (en) * 1998-07-24 2002-09-24 Siemens Aktiengesellschaft Provision of a low-inductive rail for three-point phase module
WO2004105220A2 (en) * 2003-05-16 2004-12-02 Ballard Power Systems Corporation Power module system
CN102223055A (en) * 2011-06-20 2011-10-19 深圳市英威腾电气股份有限公司 Frequency converter with master device installed in modularized way
CN102857080A (en) * 2012-09-21 2013-01-02 深圳市英威腾电气股份有限公司 Explosion-proof frequency converter core and explosion-proof frequency converter
CN203482080U (en) * 2013-07-12 2014-03-12 北京利德华福电气技术有限公司 Power cabinet with air-water cooling module
CN104270014A (en) * 2014-07-31 2015-01-07 深圳市英威腾电气股份有限公司 Three-level high-power module structure and power conversion unit
CN204474067U (en) * 2014-12-26 2015-07-15 深圳市英威腾电气股份有限公司 A kind of construction lifting frequency conversion all-in-one

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456516B1 (en) * 1998-07-24 2002-09-24 Siemens Aktiengesellschaft Provision of a low-inductive rail for three-point phase module
WO2004105220A2 (en) * 2003-05-16 2004-12-02 Ballard Power Systems Corporation Power module system
CN102223055A (en) * 2011-06-20 2011-10-19 深圳市英威腾电气股份有限公司 Frequency converter with master device installed in modularized way
CN102857080A (en) * 2012-09-21 2013-01-02 深圳市英威腾电气股份有限公司 Explosion-proof frequency converter core and explosion-proof frequency converter
CN203482080U (en) * 2013-07-12 2014-03-12 北京利德华福电气技术有限公司 Power cabinet with air-water cooling module
CN104270014A (en) * 2014-07-31 2015-01-07 深圳市英威腾电气股份有限公司 Three-level high-power module structure and power conversion unit
CN204474067U (en) * 2014-12-26 2015-07-15 深圳市英威腾电气股份有限公司 A kind of construction lifting frequency conversion all-in-one

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