CN201663350U - Structure module of power electronic device - Google Patents
Structure module of power electronic device Download PDFInfo
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- CN201663350U CN201663350U CN2009201780325U CN200920178032U CN201663350U CN 201663350 U CN201663350 U CN 201663350U CN 2009201780325 U CN2009201780325 U CN 2009201780325U CN 200920178032 U CN200920178032 U CN 200920178032U CN 201663350 U CN201663350 U CN 201663350U
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Abstract
The utility model relates to a structure module of a power electronic device. The structure module (10) used for containing the power electronic device (16) comprises a main frame (12) and an auxiliary frame (14). The auxiliary frame (14) is electrically insulated relative to the main frame (12) and can be set as neutral potential correlatively with the voltage of the power electronic device (16).
Description
Technical field
The utility model relates to the power electric device field.The utility model particularly relates to the switch cubicle that is used to hold the construction module of power electric device and has this construction module.
Background technology
Present power electric device (Leistungselektronik) (for example frequency converter of using as generator) can be handled the electric current of hundreds of A and thousands of V.For making power electric device and its electric insulation on every side, may need expensive structure.If should make power electric device mainly by air and insulation around it, may observe so in the minimum range that has between the parts of different potentials.
In traditional structure, the different parts (cooling body, shell, iron core etc.) that hold the switch cubicle of the power electric device that converter for example uses directly are fixed on the main frame.These parts can be mounted with insulation mode, but are connected with the cable of above earth potential generally speaking.In this case, electrical connection is mounted with insulation mode.With insulation with according to the minimum range of the air breakdown ability of bearing the potential difference between maximum working voltage and the above earth potential is condition, exists parts can how to be disposed in the limit in the switch cubicle compactly under the situation of traditional structure.
Summary of the invention
Task of the present utility model is, constitutes the switch cubicle that power electric device is used more compactly.
This task is solved by the theme of independent claims.Other execution modes of the present utility model are from dependent claims.
The construction module that is used to hold power electric device that relates in one aspect to of the present utility model.Power electric device can be electronic installation or comprise electronic building brick that at this electric current that is higher than 10A and is higher than 300V can be connected or be handled to described electronic building brick.
According to a kind of execution mode of the present utility model, construction module comprises main frame and the sub-frame that is fixed on the main frame.Sub-frame with respect to the main frame electric insulation and be implemented in order to, be set to neutral potential relatively with the voltage of power electric device.
For example in comprising power electric device and the electronic system with polyphase alternating current work, neutral potential can be the summation of each phase.Generally speaking, neutral potential and above earth potential are different.
The advantage that sub-frame is set to neutral potential is, can save the space and can compactly more constitute power electric device.The different potentials of power electric device and the potential difference between the neutral potential can be significantly less than the potential difference between different potentials and the above earth potential.Except saving the space, comprise that the Insulation test of system of construction module is also simpler, when test run, whether be in neutral potential because only need check sub-frame.If not this situation, can think that so sub-frame is enough insulation on every side.
According to a kind of execution mode of the present utility model, main frame and sub-frame comprise conductive component or by electric conducting material, for example be made up of sheet material or steel.The conductive component of sub-frame or the sub-frame of conduction itself for example can be connected with the neutral conductor of power electric device by cable.
Sub-frame is as general as the electric insulation structure of all power components that can comprise electronic system.For example, electronic system can comprise that all parts of rectifier or frequency converter and power electric device all can be arranged in one or more sub-frame except the input and output filter.
According to a kind of execution mode of the present utility model, main frame be implemented in order to, be set to above earth potential relatively with the voltage of power electronic dress.This point for example can realize in the following manner that promptly the main frame of the conductive component of main frame or conduction is connected with cable, and described cable is connected with the above earth potential of power electric device again.By this structure, just be set to the main frame of above earth potential and be set to neutral potential and with respect to the sub-frame of main frame insulation and can produce a kind of multilevel hierarchy with respect to the power electric device of sub-frame insulation again, it is insulated from each other that wherein insulation only must make the potential difference between the different potentials of above earth potential and neutral potential or neutral potential and power electric device.
Alternately or additionally, main frame can both be connected with ground or above earth potential, perhaps main frame also can be installed on the infield in the mode of insulation.
According to a kind of execution mode of the present utility model, sub-frame is the inner frame that is installed in the main frame.For example, main frame can be cabinet type around sub-frame.The electric parts of power electric device can be fixed in the inner frame again.Inner frame is with respect to the main frame insulation and be in neutral potential.
According to a kind of execution mode of the present utility model, sub-frame can with the main frame decoupling zero.Coupling or decoupling zero can be carried out with machinery and/or electric mode at this.Therefore can make sub-frame and main frame decoupling zero for maintenance purpose and for example from this main frame, take out.
According to a kind of execution mode of the present utility model, main frame is equipped with the slide rail that is used for sub-frame is imported from the service position maintenance position.Sub-frame can partly shift out from main frame, safeguards and and then sub-frame is packed in the main frame.Under the situation of simple interference or maintenance measure, can dismantle sub-frame fully.
The sub-frame main frame of also can packing into like this on slide rail makes sub-frame to take out from main frame fully.This causes the maintenance scheme of simplifying when at the rear side of sub-frame, just under the side place of the sensing main frame of the sub-frame situation about must safeguard or under situation about must safeguard the parts of the parts of sub-frame back, for example main frame.
According to a kind of execution mode of the present utility model, slide rail comprises electrical insulating material.Therefore the insulation of main frame and sub-frame can utilize and be used for main frame and sub-frame mechanical connection or the employed assembly that is coupled being carried out and saving by this way miscellaneous part.
According to a kind of execution mode of the present utility model, main frame comprises and is used for the plug connection that the power electric device with sub-frame is connected with the parts of main frame outside.Power electric device for example with other sub-frames of main frame in electronic unit or be connected to connect with the power of the miscellaneous part of electronic system and finish by plug or plug.These plugs can with under the frequency converter situation of the motor ACS of ABB 1000 usefulness, constitute similarly.
In addition, the control of the parts in the sub-frame and/or electric feed signal also can be by the miscellaneous part couplings of plug connection and electronic system.Therefore, only need unclamp sub-frame and be connected with plug between the main frame if sub-frame should be taken out from main frame fully.For example, plug connects or a plurality of plug connects and can be implemented like this, makes be electrically connected disconnection when main frame is pulled out sub-frame.Can be connected again when in addition, plug is connected sub-frame inserted main frame.
According to a kind of execution mode of the present utility model, main frame is implemented and is used for, and holds a plurality of sub-frames.Can reach modular construction by this way, wherein a plurality of sub-frames identical or similar formation are arranged in the main frame.For example, a plurality of sub-frames can be installed and side by side by inductance coil (Drossel) parallel connection.Inner frame can be so-called PEBB (Power Electronic Building Block, a power electric device block structure) at this.This PEBB can be the power electronic standard package, and it is applicable in having the converter of voltage intermediate circuit and uses.
According to a kind of execution mode of the present utility model, sub-frame has the inside slide rail that is used to hold power electric device.For example, power electric device can be arranged in the prefabricated module, only needs these modules are inserted in the sub-frame.The inside slide rail of sub-frame also can be used to make power electric device module and sub-frame insulation at this.
According to a kind of execution mode of the present utility model, sub-frame has bottom cooling holes and top cooling holes, and wherein, construction module is implemented and is used for, with cooling blast from the bottom cooling holes by sub-frame guiding top cooling holes.For example, air-flow can flow in the sub-frame from the front lower place and stress new outflow thereon.Utilize cooling blast can also cool off the interior miscellaneous part of main frame.Cooling is initiatively cooling at this, is used for the shared ventilation equipment of all sub-frames in the time of for example as ventilation equipment in the sub-frame or main frame place.But then, cooling also can be for example passive cooling by convection current.
The utility model relates to switch cubicle on the other hand.According to a kind of execution mode of the present utility model, switch cubicle comprises as the described construction module in front and back and is arranged in power electric device in the sub-frame.
According to a kind of execution mode of the present utility model, the power electric device in the switch cubicle is the part of frequency converter.
By accompanying drawing embodiment of the present utility model is elaborated below.
Description of drawings
Fig. 1 illustrates the 3-D view according to the construction module of the utility model embodiment.
Employed in the drawings Reference numeral and meaning thereof are listed in the reference numerals list with the form of summarizing.Identical in principle or similar part has identical Reference numeral.
Embodiment
Fig. 1 illustrates the three-dimensional perspective according to the construction module 10 of the utility model embodiment.Construction module 10 comprises main frame 12 and sub-frame 14.In sub-frame 14, arrange power electric device 16.The whole device of being made up of main frame 12, sub-frame 14 and power electric device 16 forms switch cubicle 18, and it for example can comprise power electric device whole or a part of of converter.
Basically the sub-frame 14 of cuboid is in main frame 12 on one, two or more slide rails 26, and described slide rail be coupled sub-frame 14 and main frame 12 like this, makes sub-frame 14 can pull out from main frame 12 and insertion again.
Sub-frame 14 side within it has inner slide rail 30, and described inner slide rail is used on the one hand and power electric device module 32 can be inserted in the sub-frame 14 in simple mode.On the other hand, slide rail 30 also can be used to make power electric device module 32 with respect to sub-frame 14 insulation.
Electric mortiser is dialled and is connected 34 and be on the dorsal part of sub-frame 14 and relatively be on the rear wall 20 of main frame 12.Electric mortiser is dialled connection 34 and is used for the power electric devices 16 in the sub-frame 14 are connected with the other miscellaneous part of electronic system.For example, can also have other sub-frames in main frame 12 except sub-frame 14, described other sub-frames are connected to constitute the power electric device 16 that also can be connected by other plugs on its dorsal part with in the sub-frame 14 with sub-frame 14 just the same or similar modes.
Sub-frame 14 comprises bottom cooling holes 36 and top cooling holes 38, and being used in sub-frame 14 generation can cooling power electronic installation 16 and the air-flow of power electric device module 32.
It is to be noted that as a supplement " comprising " do not got rid of miscellaneous part or step and " one " or " one " and do not get rid of in a large number.It is pointed out that in addition the feature described with reference to one of top embodiment or step also can with the combination of other features of other the foregoing descriptions or step under use.Reference numeral in claims should not be considered as restriction.
Reference numerals list
10 construction modules
12 main frames
14 sub-frames
16 power electric devices
18 switch cubicles
20 rear walls
22 sidewalls
24 pedestals
26 slide rails
28 slide rails
30 inner slide rails
32 rectifiers at phase place
34 plugs connect
36 bottom cooling holes
38 top cooling holes
Claims (12)
1. be used to hold the construction module (10) of power electric device (16), this construction module comprises:
Main frame (12),
Be fixed on the sub-frame (14) on the main frame (12),
Wherein, sub-frame (14) is with respect to main frame (12) electric insulation and be implemented and be used for, and is set to neutral potential relatively with the voltage of power electric device (16).
2. by the described construction module of claim 1 (10), wherein main frame (12) is implemented and is used for, and is set to above earth potential relatively with the voltage of power electric device (16).
3. by claim 1 or 2 described construction modules (10), wherein sub-frame (14) is mounted in the inner frame in the main frame (12).
4. by claim 1 or 2 described construction modules (10), wherein sub-frame (14) can with main frame (12) decoupling zero.
5. by claim 1 or 2 described construction modules (10), wherein main frame (12) is equipped with the slide rail (26) that is used for sub-frame (14) is imported from the service position maintenance position.
6. by the described construction module of claim 5 (10), wherein slide rail (26) comprises electrical insulating material.
7. by claim 1 or 2 described construction modules (10), wherein main frame (12) comprises that the plug that is used to the outside parts of power electric device (16) and main frame (12) are connected connects (34).
8. by claim 1 or 2 described construction modules (10), wherein main frame (12) is implemented and is used to hold a plurality of sub-frames (14).
9. by claim 1 or 2 described construction modules (10), wherein sub-frame (14) has the inside slide rail (30) that is used to hold power electric device module (32).
10. by claim 1 or 2 described construction modules (10), wherein sub-frame (14) has bottom cooling holes (36) and top cooling holes (38), and wherein construction module (10) is implemented and is used for cooling blast is passed through sub-frame (14) guiding top cooling holes (38) from bottom cooling holes (36).
11. switch cubicle (18) comprising:
By one of claim 1-10 described construction module (10),
Be arranged in the power electric device (16) in the sub-frame (14).
12. by the described switch cubicle of claim 11 (18), wherein, power electric device (16) is the part of frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201780325U CN201663350U (en) | 2009-09-28 | 2009-09-28 | Structure module of power electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201780325U CN201663350U (en) | 2009-09-28 | 2009-09-28 | Structure module of power electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663350U true CN201663350U (en) | 2010-12-01 |
Family
ID=43233770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201780325U Expired - Lifetime CN201663350U (en) | 2009-09-28 | 2009-09-28 | Structure module of power electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618223A (en) * | 2013-11-25 | 2014-03-05 | 合肥徽力电气技术有限公司 | Power distribution cabinet of active power filter device |
| CN109075541A (en) * | 2016-04-22 | 2018-12-21 | 里塔尔有限责任两合公司 | Electric casing assembly including the cooling device being contained in electric case body |
-
2009
- 2009-09-28 CN CN2009201780325U patent/CN201663350U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618223A (en) * | 2013-11-25 | 2014-03-05 | 合肥徽力电气技术有限公司 | Power distribution cabinet of active power filter device |
| CN109075541A (en) * | 2016-04-22 | 2018-12-21 | 里塔尔有限责任两合公司 | Electric casing assembly including the cooling device being contained in electric case body |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |