EP3378071A1 - Eine kühlflüssigkeit enthaltendes gehäuse eines elektrischen gerätes - Google Patents
Eine kühlflüssigkeit enthaltendes gehäuse eines elektrischen gerätesInfo
- Publication number
- EP3378071A1 EP3378071A1 EP17700934.7A EP17700934A EP3378071A1 EP 3378071 A1 EP3378071 A1 EP 3378071A1 EP 17700934 A EP17700934 A EP 17700934A EP 3378071 A1 EP3378071 A1 EP 3378071A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- barrier
- cooling liquid
- interior
- wall
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
Definitions
- the invention relates to a housing containing a cooling liquid of an electrical device.
- Typical electrical appliances that are cooled with a coolant are transformers.
- the cooling liquid is usually an insulating oil, which is contained in a Ge ⁇ housing of the transformer.
- the housing often also serves to cool the cooling liquid by the housing outer walls absorb heat from the coolant and deliver it to the environment of the housing.
- the invention relates to cooling liquids enthal ⁇ tend housing with corrugated walls.
- Well walls are wave-like housing walls, the elastically deformable wall waves aufwei ⁇ sen.
- corrugated walls can accommodate temperature-dependent volume fluctuations ei ⁇ ner contained in the housing coolant.
- Corrugated walls also have a larger surface due to the wall shafts and therefore a greater cooling effect than
- a housing containing a coolant may be hermetically sealed or breathing.
- hermetically sealed housings temperature-dependent volume fluctuations of the coolant cause pressure fluctuations. Therefore, hermetically sealed housings must be designed pressure-resistant.
- a breathing housing is meant a housing having a gas opening through which gas (usually air) into and out of the housing interior
- housing interior can flow out to avoid such pressure fluctuations in the housing.
- breathing housings have the disadvantage that in the housing interior flowing gas usually contains moisture.
- the cooling liquid is an insulating oil be ⁇ acts this moisture entering through the gas a ste ⁇ term increase a humidity content of the insulating oil, the stunning ⁇ adversely the cooling and electrical insulation of the insulating oil.
- gas dehumidifiers are therefore often arranged at gas openings of breathing housings.
- the invention has for its object to provide a particular improved in terms of its cooling effect housing of an electrical device that holds a cooling ent ⁇ .
- An inventive cooling liquid containing Ge ⁇ housing of an electrical device comprises at least an impenetrable by the cooling liquid barrier bordering a BE from it and a lateral outer housing wall of the housing ⁇ first interior region of the housing interior from a second interior region of the housing interior is separated and is formed such that it increases a cooling liquid flow of the cooling liquid between the interior regions separated from it when there is a temperature-related rise in a level height of the cooling liquid in the housing.
- the invention is based on the idea to increase the cooling effect of a lateral housing outer wall of the housing with increasing Tem ⁇ temperature of the cooling liquid in the housing.
- a barrier is arranged in the housing interior through which a flow of cooling liquid is increased to the housing outer wall at ei ⁇ nem temperature-induced increase in a level height of the cooling liquid in the housing.
- the barrier is So configured such that it enables to the housing outer wall at high temperatures ei ⁇ NEN high coolant flow and thus causes a high cooling effect of the outer housing wall, while the cooling fluid flow to the housing outer wall completely inhibits at low temperatures or considerably reduced and the cooling effect of the outer housing wall characterized Restricts accordingly.
- the cooling effect of the lateral housing outer wall is advantageously adapted to the temperature of the cooling liquid in a structurally particularly simple and cost-effective manner.
- the barrier made ⁇ light a good cooling of the cooling liquid and thus of the housing arranged in the electrical device.
- the barrier allows for faster heating of the coolant due to redu ⁇ ed cooling effect of the housing outer wall and a besse ⁇ res cold start performance and faster startup of the electrical appliance to optimum operating temperature.
- An embodiment of the invention provides that at least a first interior region limiting wall portion of a lateral outer housing wall is also keptbil ⁇ det as a corrugated wall.
- at least one corrugated wall can have at least one wall wave with a wave crest on the inside of the housing, which is firmly connected to a barrier.
- Corrugated walls he ⁇ possible advantageous to record temperature-dependent Volumenschwankun ⁇ conditions of the cooling liquid contained in the housing and thereby caused pressure fluctuations in the housing to reduce.
- corrugated walls have a larger surface due to their wave shape and thus a greater cooling effect than non-corrugated walls.
- a further design of the aforementioned embodiment of the invention at least one barrier before separating two respectively bounded by opposite side walls of a wall compartment shaft areas from each other, said the interior spaces above and below the barrier connected to each other at ⁇ .
- This further configuration of the invention thus provides a front wall within a shaft at least ⁇ parent barrier that divides a space surrounded by the wall shaft interior region.
- the large outer surface of the wall shaft can be used for a particularly effective control of the cooling of the cooling liquid through the barrier.
- the barrier can also contribute to the stability of the wall wave advantageous.
- a further embodiment of the invention provides at least two barriers arranged one behind the other, which separate a plurality of interior areas of the housing interior from each other.
- the interior spaces above and connected to each other below the barriers and the barriers from each other have different barrier heights which increase toward a GePFu ⁇ seaußenseite out.
- This embodiment advantageously allows a gradual integration of successively arranged interior regions of the housing interior for cooling ⁇ ment of the cooling liquid and thus a further improvement in the temperature dependence of the cooling of the cooling liquid.
- a further embodiment of the invention provides that at least one barrier has at least one barrier opening ⁇ , which is located in such an opening amount that dependent on the temperature of the cooling liquid Part of the barrier opening is below the fill level of the coolant in the housing.
- a further embodiment of the invention provides that at least one barrier having an upper edge above which cooling ⁇ liquid can flow between the separate from the barrier interior sections, and a bottom edge, below which is allowed to flow cooling fluid between the separated from the barrier interior areas, ,
- the barrier at a varying along the top edgemindnpro ⁇ fil, so that dependent on the temperature of the coolant below the upper edge part of the filling level of the cooling liquid is located in the housing.
- the height profile may drop at least one barrier, for example, egg ⁇ nem central region of the upper edge to at least one end of the upper edge towards or to increase from a first end of the upper edge monotonically to a second end of the upper edge.
- the two aforementioned embodiments of the invention advantageously allow, through a suitably varying tonenpro ⁇ fil and / or suitable barrier openings of a barrier a cooling fluid flow across the barrier and / or transmitted to regulate variable depending on the temperature of the cooling liquid through the barrier openings.
- a further embodiment of the invention provides that a first housing height of a first housing portion of the housing containing at least one barrier is greater than a minimum fill level of the coolant in the housing and ei ⁇ ne second housing height of at least a second Genzousebe ⁇ rich smaller than the minimum level of the Coolant ⁇ speed in the housing is.
- Housing cover fills, so that in this Gepatiusebe ⁇ rich no filled by a gas such as air volume between the housing cover and the coolant level forms. Because of ⁇ can be arranged in this housing portion bushings for electrical lines, so that the guided through the bushings electrical lines are electrically insulated in the housing interior by the cooling liquid when the cooling liquid is, for example, an insulating oil.
- a further embodiment of the invention provides at least ei ⁇ ne above a maximum level of the coolant in the housing arranged gas opening, can flow through the gas depending on a pressure in the housing interior into the housing interior and out of the housing interior.
- At least one gas dehumidifier is preferably provided for dehumidifying gas flowing through a gas opening into the interior of the housing.
- the maximum level of the coolant in the housing is a level that is assumed by the liquid level of the coolant ⁇ liquid at a defined maximum temperature for which the electrical device is designed.
- Gas dehumidifiers advantageously reduce the entry of the cooling and insulating effect of the cooling liquid impairing moisture into the housing interior by the incoming gas.
- An alternative embodiment of the invention provides that the housing is hermetically sealed. This advantageously prevents moisture from entering the interior of the housing through inflowing gas.
- the formation of housing outer walls as corrugated walls and the improved by the barriers cooling effect of the housing outer walls can be reduced occurring in hermetically sealed housings pressure fluctuations caused by temperature-dependent volume fluctuations of the cooling liquid in the housing.
- a further embodiment of the invention provides that at least one barrier is made of an electrically insulating material.
- the barrier acts beneficial ⁇ way as electrical barrier to a housing outer wall.
- At least one barrier is at least partially designed as a magnetic shield ⁇ diagram for the leakage flux of a coil of the electrical device.
- this is achieved by manufacturing at least part of the barrier of a magnetizable material.
- the invention provides a transformer with a housing according to the invention.
- FIG. 2 shows a sectional representation of a second exemplary embodiment of a housing of an electrical device containing a coolant
- FIG. 3 shows a side view of a thirdspecsbei ⁇ game of a coolant containing a housing of an electrical device
- FIG. 6 is a perspective view of a housing ⁇ outer wall and a barrier of a sixthspecsbei ⁇ game of a coolant containing housing of an electrical device
- FIG. 7 shows a plan view of a barrier in front of a mallli ⁇ chen housing outer wall of a seventh embodiment ei ⁇ nes a coolant containing housing of an electrical device ⁇ rule,
- FIG. 8 shows a detail of a perspective view of an eighth embodiment of a housing containing a coolant of an electrical device
- 9 shows a section of a first sectional view of a ninth embodiment of a housing containing a coolant of an electrical device
- 10 is a detail of a second sectional view of the ninth embodiment of a housing containing a coolant of an electrical device
- FIG. 11 shows a detail of a third sectional view of the ninth embodiment of a housing containing a coolant of an electrical device
- FIG. 12 shows a detail of a fourth sectional view of the ninth embodiment of a housing containing a coolant of an electrical device
- FIG. 13 is a sectional view of a tenth embodiment ⁇ example of a coolant containing a housing of an electrical device
- FIG. 14 shows a detail of a first sectional view of an eleventh embodiment of a housing containing a coolant of an electrical device
- FIG. 15 shows a detail of a second sectional view of the eleventh embodiment of a housing containing a coolant of an electrical device.
- FIG. 1 shows a sectional view of a first embodiment of a cooling liquid 30 containing Ge ⁇ reheatuses 10 of an electric unit 1.
- the electrical device 1 is a transformer, which is shown only specific ⁇ matically and comprises a transformer core and a transformer winding 4. 5
- the cooling liquid 30 is, for example, an insulating oil for electrical insulation of the transformer winding 5 and cooling of the transformer.
- the housing 10 has lateral housing outer walls 11 being formed as corrugated walls with vertically extending wall shafts 12 are ⁇ (see also Figures 3 to 6).
- impermeable barriers 20 are arranged by the cooling liquid. Each barrier 20 separates one between it and one formed as a corrugated wall
- Housing outer wall 11 lying first interior region 13 of the housing interior of a second interior region 14 of the housing interior.
- the first inner space areas 13 are rim ⁇ areas of the housing interior
- the second êtraumbe ⁇ rich 14 is a central portion of the housing interior, in which the electric device 1 is arranged.
- Each barrier 20 is designed such that it influences a cooling liquid flow of the cooling liquid 30, indicated by arrows in FIG. 1, between the interior regions 13, 14 separated from it as a function of a temperature-dependent fill level H of the cooling liquid 30 in the housing 10.
- the barrier 20 is configured and arranged such that cooling liquid 30 may flow below a Unterkan ⁇ te 24 of the barrier 20 and at a sufficient level height H above a top edge 23 of the barrier 20 between the separate from the barrier 20 interior regions 13, 14th
- the upper edge 23 of each barrier 20 at low temperatures of the cooling liquid 30 is wholly or partially above the level height H, while it is at higher temperatures entirely or to a greater extent than at low temperatures below the level height H.
- the barrier 20 may have a 23 va ⁇ riierendes height profile along the upper edge, so that a 30-dependent part of the top edge is located from the Tempe ⁇ temperature of the cooling fluid 23 below the liquid level height H of the cooling liquid 30 in the housing 10, see the FIGS. 3 to 6.
- the filling height H of the cooling liquid 30 in the housing 10 is a distance of a cooling liquid level 31 of the cooling liquid ⁇ 30 from a housing bottom of the housing 10th
- the temperature of the cooling liquid 30 is so high that at least part of the upper edge 23 of each barrier 20 lies below the filling height H of the cooling liquid 30.
- cooling liquid 30 heated by the transformer winding 5 flows upwards in the second interior region 14 and over the upper edges 23 of the barriers 20 into the first interior regions 13.
- the cooling liquid 30 cools down again, thereby flowing downwards and below the lower edge 24 of the first inner space 13 bounding barrier 20 in the second interior region 14. With decreasing temperature of the cooling liquid 30 decreases
- the barriers 20 influence the cooling effect of the housing outer walls 11 as a function of the temperature of the cooling liquid 30, wherein they advantageously increase the cooling effect with increasing temperature.
- Figure 2 shows a sectional view of a second embodiment of a cooling liquid 30 containing Ge ⁇ reheatuses 10 of an electric unit 1.
- the electrical device 1 is a transformer, which is shown only schematically and has a transformer core 4 and a transformer winding 5, and thedeflüs ⁇ fluid 30 is for example an insulating oil for electrical insulation of the transformer winding 5 and cooling of the transformer.
- the housing 10 has a lateral housing outer wall 11, which is formed as a corrugated wall with vertically extending wall waves 12 from ⁇ (see also Figures 3 to 6).
- a barrier 20 impermeable to the cooling liquid 30 is arranged in a housing interior.
- the barrier 20 separates ei ⁇ nen between her and designed as a corrugated wall housing outer wall 11 first interior region 13 of the housing interior of a the electrical device 1 containing the second interior region 14 of the housing interior.
- the barrier 20 is formed such that it affects a in Fi ⁇ gur 2 indicated by arrows, the coolant flow of the cooling liquid 30 between the ranges of their separate interior 13, 14 in dependence on a temperature-dependent level height H of the cooling liquid 30 in the housing 10th
- the barrier 20 is configured and arranged such that cooling liquid 30 may flow below a Unterkan ⁇ te 24 of the barrier 20 and at a sufficient level height H above a top edge 23 of the barrier 20 between the separate from the barrier 20 interior regions 13, 14th
- the upper edge 23 of the barrier 20 is at nied ⁇ rigen temperatures of the cooling liquid 30 wholly or partially above the level height H, while at higher temperatures Tempe ⁇ wholly or to a greater extent than at low temperatures below the level height H.
- the barrier 20 a along the upper edge 23 have vari ⁇ ierendes height profile so that dependent on the tempera ⁇ structure of the cooling liquid 30 of the inner rim is 23 below the liquid level height H of the cooling liquid 30 in the housing 10, see the FIGS. 3 to 6.
- the temperature of the cooling liquid 30 is so high that at least a portion of the upper edge 23 of the barrier 20 is below the liquid level height H of the cooling liquid 30.
- cooling liquid 30 heated by the transformer winding 5 flows upward in the second interior region 14 and into the first interior region 13 via the top edge 23 of the barrier 20.
- the cooling liquid 30 cools down again, thereby flowing down and below the lower edge 24 of the barrier 20 in the second mecanicraumbe ⁇ rich 14.
- the level height H of the cooling liquid 30 decreases. This also reduces the cooling liquid flow above the upper edge 23 of the barrier 20 from the second réelleraumbe ⁇ rich 14 in the first interior region 13.
- the temperature of the cooling liquid 30 drops so far that the Oberkan ⁇ te 23 is completely above the level height H, no cooling liquid 30 more above the upper edge 23 from the second interior region 14 into the first interior region 13 to flow.
- the barrier 20 influences the cooling effect of the
- a first housing height L i of a first housing portion of the housing 10, the barrier contained 20 is greater than a minimum filling level of the cooling liquid 30 in the GePFu ⁇ se 10 and a second housing height L 2 is at least a second housing portion is smaller than the minimum filling level of the cooling liquid 30 in the housing 10.
- the minimum filling level ⁇ height of the cooling liquid 30 in the housing 10 is a level height H, which is assumed by the cooling liquid level 31 of the cooling liquid 30 at a defined minimum temperature for which the electrical device 1 is designed.
- a cover region of the second housing region has cooling liquid-tight passages 38 for in each case one electrical line 40 in the housing interior.
- a lid portion of the first housing portion has to effect a cross-sectional ⁇ area that is significantly smaller than a total cross-section ⁇ surface of the lid portion of the housing 10, in particular klei ⁇ ner than half of the total cross-sectional area, large changes in the fill level height H of the cooling fluid 30 during temperature fluctuations , This will dependence of the cooling of the cooling liquid 30 on the Tempe ⁇ temperature of the cooling liquid 30 advantageously increased.
- Figure 3 shows a side view of a third execution ⁇ example of a cooling liquid 30 containing Gezzau ⁇ ses 10 of an electric unit 1.
- the housing 10 has lateral outer housing walls 11, as well walls with vertically extending wall waves 12 are ⁇ forms are (see also Figures 5 and 6).
- impermeable barriers 20 are arranged by the cooling liquid.
- Each barrier 20 separates, analogously to the exemplary embodiments illustrated in FIGS. 1 and 2, a first interior region 13 of the interior of the housing located between the housing outer wall 11 designed as a corrugated wall and a second interior region 14 of the housing interior.
- one of the barriers 20 is indicated.
- the Barrie ⁇ re 20 is designed and arranged such thatdeflüs ⁇ fluid 30 below a lower edge 24 of the barrier 20 and with sufficient level height H above an upper edge 23 of the barrier 20 between the ge of the barrier 20 ge ⁇ separated interior regions 13, 14 can flow , In this case, the upper edge 23 of each barrier 20 at low temperatures of the cooling liquid 30 is wholly or partially above the
- the barrier 20 has a height profile varying along the upper edge 23, which has a constant level in a middle region of the upper edge 23 and linearly drops towards each end of the upper edge 23.
- the temperature of the cooling liquid 30 is so high that the upper edge 23 of the barrier 20 is completely below the liquid level height H of the cooling liquid 30.
- the level of height H ofméflüs ⁇ stechnik 30 decreases, so that as in Figure 4 only one of the temperature of the cooling liquid 30 dependent part of the upper edge 23 and finally the entire upper edge 23 is below the filling height H.
- FIG. 4 shows a side view of a fourth execution ⁇ example of a cooling liquid 30 containing Genosu ⁇ ses 10 of an electrical device 1.
- Thisarna ⁇ game differs from that shown in Figure 3 embodiment merely by the shape of the height profile of the barrier 20.
- each height profile has a constant level in a middle region of the upper edge 23 and drops toward each end of the upper edge 23.
- the drop is linear only toward one end of the upper edge 23, while it extends convexly curved toward the other end.
- Figures 5 and 6 show respectively a perspective Dar ⁇ position a lateral housing outer wall 11 and a barrier 20 of further embodiments of a one (in the Fi ⁇ gures 5 and 6 not shown) the cooling liquid 30 contained ⁇ Tenden housing 10 of an electrical device 1.
- This From ⁇ exemplary embodiments are respectively analogous to one of the embodiments shown in Fi ⁇ gures 1 to 4, wherein the barrier 20 each have a varying along the top edge 23 height profile 23 increases monotonically from a first end of the upper edge to a second end of the upper edge 23 , In this case, the increase in the exemplary embodiment illustrated in FIG. 5 is linear, whereas in the embodiment shown in FIG. embodiment has a convex curved portion.
- Figure 7 shows a plan view of a barrier 20 in front of a lateral housing outer wall 11 of a furtherconstrusbei ⁇ game of a (not shown in Figure 7)deflüs ⁇ stechnik 30 containing housing 10 of an electrical Gerä ⁇ tes 1.
- the housing outer wall 11 is again as a corrugated wall formed with wall shafts 12.
- the barrier 20 has a plurality of barrier openings 26. Each barrier opening 26 is located in the region of a wall of shaft 12 in such a selected aperture height, that dependent on the temperature of the cooling liquid ⁇ ness 30 part of the barrier opening is 26 below the liquid level height H of the cooling liquid 30 in the housing 10th
- a plurality of barrier openings 26 can be arranged one below the other in the region of a wall shaft 12.
- FIG 8 shows a partial perspective illustration ⁇ development of another embodiment of a (not shown in Figure 8), a cooling liquid 30 containing Genosu ⁇ ses 10 of an electrical device 1, the housing 10 is shown broken away for ease of illustration.
- the electrical device 1 is a transformer with a transformer core 4 and a transformer winding 5.
- the housing 10 has lateral housing outer walls 11, which are formed as corrugated walls with vertical wall shafts 12.
- Egg ⁇ nige or all wall shafts 12 have barriers 20th Each barrier 20 separates two each on its own wholie ⁇ constricting sidewalls of a wall of shaft 12 limited réelleraumbe- rich 13, 14 from each other, wherein a first inner space area is enclosed by an outer region 12.1 of the wall shaft 12, 13 and the second interior region 14 of an inner portion 12.2 the wall shaft 12 is enclosed.
- the two interior regions 13, 14 are connected to one another above and below the barrier 20 so that cooling liquid 30 can flow between the interior regions 13, 14.
- the barrier heights of the barriers 20 are adapted to the temperature-dependent filling level height H of the cooling liquid 30, so that an upper end of a barrier 20 as a function of the temperature of the cooling liquid 30 is above or below the filling height H.
- the barrier heights of the barriers 20 may be different from each other, so that a dependent on the temperature of the cooling liquid 30 number of these upper ends below the filling level height H.
- ⁇ de barrier 20 connects web-like outer region 12.1 and the inner region 12.2 of a wall shaft 12 in the region of opposing, vertically extending beads 17 12 in the outer surfaces of the side walls of the wall shaft thereby increasing the barrier 20 advantageous stability of the wall ⁇ wave 12th
- Figures 9 to 12 show details of Thomasdarstel ⁇ lungs of a further exemplary embodiment of a cooling ⁇ liquid 30 containing housing 10 of an electrical device 1.
- Figure 9 shows a longitudinal sectional view in a sectional plane containing a vertical axis of Gezzau ⁇ ses 10 and the figures 10 to 12 show
- the housing 10 has a lateral housing outer wall 11, which is formed as a corrugated wall with vertically extending wall waves 12 ⁇ .
- a first Barrie ⁇ re 21 and a second barrier 22 are arranged, each extending vertically, are arranged one behind the other and separate three each from opposite side walls of the wall shaft 12 limited interior areas 13, 14, 15 of the Gescousein ⁇ nenraums.
- the first and second barriers 21, 22 are each formed like barriers 20 of the embodiment shown in FIG. In particular, the interior regions 13, 14, 15 of each wall shaft 12 above and below the barriers 21, 22 are interconnected.
- Figure 9 shows a wall shaft 12 and the barriers 21, 22 in a longitudinal section, the figures 10 to 12 show Cross-sectional views of the wall shaft 12 at different heights.
- a third barrier 20 is along the entire corrugated wall at ⁇ sorted and separates the inner lying in the wall shafts 12 space regions 13, 14, 15, 16 of an adjoining further interior region
- the third barrier 20 ana ⁇ log to a barrier 20 of a formed in the embodiments shown in Figures 1 to 6.
- the interior region 16 is connected to the interior regions 13, 14, 15 lying in the wall waves 12.
- the barriers 20, 21, 22 have different barrier heights from one another, which increase towards an outside of the housing, ie the first barrier 21 has a higher barrier height than the second barrier 22, and the second barrier 22 has a higher barrier height than the third barrier 20.
- the barrier heights are adjusted to the temperature-dependent level height H of the cooling liquid 30, so that the fill level height h ⁇ at very low temperatures is less than the
- Barrier height of the third barrier 20 and with increasing temperature first exceeds the barrier height of the third barrier 20, then the barrier height of the second barrier 22 and finally the barrier height of the first barrier 21. Since ⁇ by increases with increasing temperature partially an increasing number of interior regions 13, 14, 15 located in the wall of shafts 12 and an increasing outer surface of the corrugated wall at the cooling of the cooling liquid 30, so that the cooling effect of the corrugated wall increases with increasing temperature.
- Figure 13 shows a sectional view of another embodiment of a cooling liquid 30 containing Ge ⁇ housing 10 of an electrical device 1.
- This embodiment ⁇ example differs from the embodiment shown in Figure 2 only in that the barrier 20 through a clamping connection 18 with the corrugated wall executed housing outer wall 11 is connected.
- the clamp connection 18 includes a plurality of internally disposed on the corrugated wall Arre ⁇ t michsstege 19 and several arranged on the barrier 20 to the Arret michsstegen 19 corresponding clamping brackets 27 to which the barrier is secured to the Arret Sammlungsste ⁇ gen 19 twentieth
- FIGS. 14 and 15 show an alternative to the clamping connection 18 of a barrier 20 shown in FIG. 13 on a housing outer wall 11 designed as a corrugated wall, in each case in a sectional illustration.
- 14 shows figure
- Figure 15 shows the barrier 20 and the well wall after the fixing of the barrier 20.
- the Klemmverbin ⁇ extension 18 at the barrier 20 arranged elastically deformable clamping lugs 28, which engage in each case for fastening the barrier 20 in a wall shaft 12.
- the clamping lugs 28 may be arranged either fixed or detachable on the barrier 20.
- a detachably arranged on the barrier 20 clamping lug 28 has, for example, a mounting head 29 and is guided through a mounting opening in the barrier 20 so that the mounting head 29 rests against the barrier 20 on a side facing away from the housing outer wall 11 side.
- FIGS. 14 and 15 show an exemplary embodiment with clamping lugs 28 arranged fixedly and detachably on the barrier 20.
- the fastening device may also have either only releasably or only firmly connected to the barrier 20 clamping lugs 28.
- Corrugated wall formed housing outer wall 11 have at least one wall shaft 12 with a housing-inside wave crest which is fixedly connected to a barrier 20.
- the barrier 20 also increases the strength of the housing 10.
- At least one barrier 20 can also be made of one be made of electrically insulating material, so that the barrier 20 also has an electrical barrier effect ei ⁇ ne housing outer wall 11.
- the housing 10 can be designed to be either breathing or hermetically sealed.
- a breathing executed housing 10 has at least one over a subsidiary divellstands- height of the cooling liquid 30 disposed in the housing 10 gas opening, can flow through the gas depending on a pressure in the housing interior into the housing interior and out of the housing interior.
- a gas dehumidifier is arranged on the gas opening for dehumidifying gas flowing through the gas opening into the interior of the housing.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
- Transformer Cooling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016200742.4A DE102016200742B3 (de) | 2016-01-20 | 2016-01-20 | Eine Kühlflüssigkeit enthaltendes Gehäuse eines elektrischen Gerätes |
| PCT/EP2017/050638 WO2017125317A1 (de) | 2016-01-20 | 2017-01-13 | Eine kühlflüssigkeit enthaltendes gehäuse eines elektrischen gerätes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3378071A1 true EP3378071A1 (de) | 2018-09-26 |
Family
ID=57860840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17700934.7A Withdrawn EP3378071A1 (de) | 2016-01-20 | 2017-01-13 | Eine kühlflüssigkeit enthaltendes gehäuse eines elektrischen gerätes |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20210104347A1 (de) |
| EP (1) | EP3378071A1 (de) |
| CN (1) | CN108701528A (de) |
| CA (1) | CA3011770A1 (de) |
| DE (1) | DE102016200742B3 (de) |
| RU (1) | RU2692762C1 (de) |
| WO (1) | WO2017125317A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017222946A1 (de) * | 2017-12-15 | 2019-06-19 | Siemens Aktiengesellschaft | Wärmegedämmtes Radiatorenglied |
| JP7063002B2 (ja) * | 2018-02-23 | 2022-05-09 | 株式会社Ihi | コイル装置 |
| JP7080796B2 (ja) * | 2018-10-31 | 2022-06-06 | 株式会社東芝 | 電流導入端子構造及び電磁石装置 |
| CN117153518B (zh) * | 2022-07-26 | 2024-08-06 | 中国科学院合肥物质科学研究院 | 水冷磁体装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501602A1 (de) * | 1984-01-24 | 1985-07-25 | Westinghouse Electric Corp., Pittsburgh, Pa. | Kuehlvorrichtung fuer elektrische maschinen, vorzugsweise transformatoren |
| DE19612931A1 (de) * | 1996-04-01 | 1997-11-13 | Siemens Ag | Wicklungsanordnung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE340229C (de) * | 1919-02-16 | 1921-09-10 | Siemens Schuckertwerke G M B H | OEltransformatorgehaeuse mit durch Scheidewaende von dem Transformator getrennten Kuehltaschen |
| JP3511340B2 (ja) * | 1996-04-30 | 2004-03-29 | 三菱電機株式会社 | 電気機器用タンク |
| DE19812607A1 (de) * | 1998-03-23 | 1999-10-28 | Loos & Co Kg | Transformatorenkessel |
| CN201084517Y (zh) * | 2007-09-13 | 2008-07-09 | 杨亮初 | 内外涵道散热式变压器壳体 |
| CN202352457U (zh) * | 2011-12-20 | 2012-07-25 | 重庆重变电器有限责任公司 | 一种波纹式变压器油箱 |
| CN203562270U (zh) * | 2013-12-03 | 2014-04-23 | 鲁变电工有限公司 | 一种易于油循环的波纹壁式变压器油箱 |
-
2016
- 2016-01-20 DE DE102016200742.4A patent/DE102016200742B3/de not_active Expired - Fee Related
-
2017
- 2017-01-13 CN CN201780014353.9A patent/CN108701528A/zh active Pending
- 2017-01-13 RU RU2018129871A patent/RU2692762C1/ru active
- 2017-01-13 CA CA3011770A patent/CA3011770A1/en not_active Abandoned
- 2017-01-13 EP EP17700934.7A patent/EP3378071A1/de not_active Withdrawn
- 2017-01-13 US US16/071,563 patent/US20210104347A1/en not_active Abandoned
- 2017-01-13 WO PCT/EP2017/050638 patent/WO2017125317A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501602A1 (de) * | 1984-01-24 | 1985-07-25 | Westinghouse Electric Corp., Pittsburgh, Pa. | Kuehlvorrichtung fuer elektrische maschinen, vorzugsweise transformatoren |
| DE19612931A1 (de) * | 1996-04-01 | 1997-11-13 | Siemens Ag | Wicklungsanordnung |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2017125317A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20210104347A1 (en) | 2021-04-08 |
| CA3011770A1 (en) | 2017-07-27 |
| CN108701528A (zh) | 2018-10-23 |
| WO2017125317A1 (de) | 2017-07-27 |
| RU2692762C1 (ru) | 2019-06-27 |
| DE102016200742B3 (de) | 2017-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3378071A1 (de) | Eine kühlflüssigkeit enthaltendes gehäuse eines elektrischen gerätes | |
| DE102016200744A1 (de) | Transformator mit temperaturabhängiger Kühlung | |
| EP2291064B1 (de) | Elektronische Einheit mit Kühlrippen | |
| EP2997249B1 (de) | Abgasventilvorrichtung für eine verbrennungskraftmaschine | |
| DE202011102372U1 (de) | Gehäuse | |
| EP2346052B1 (de) | Gehäuse für eine elektrische Maschine | |
| WO2016071109A1 (de) | Wechselrichter und verfahren zum kühlen eines wechselrichters | |
| DE19716401C2 (de) | Kühlanordnung für Elektronikbaugruppen | |
| WO2013117628A1 (de) | Pumpenaggregat | |
| DE202016104861U1 (de) | Wärmeableitungsaufbau eines Motors | |
| EP3065152A1 (de) | Primärteil eines induktiven ladegeräts | |
| EP3541157A1 (de) | Elektronische baugruppe mit einem gehäuse mit kühlrippen | |
| DE4416616A1 (de) | Gehäuse | |
| EP2317618B1 (de) | Elektrisches Installationseinbaugerät mit zumindest einer Wärme erzeugenden elektrischen Komponente | |
| EP2932516B1 (de) | Dehnradiator für einen hermetisch abgeschlossenen elektrischen transformator | |
| DE102008051874A1 (de) | Vorrichtung mit einem Gehäuse mit mindestens zwei Aufstandsfüßen | |
| DE202015101501U1 (de) | Aufbau des Spulenkörpers eines Transformators | |
| EP1308678A1 (de) | Lüftungseinrichtung | |
| WO2020064410A1 (de) | Stromrichter mit einem separaten innenraum | |
| WO1998045867A2 (de) | Baugruppe zum schalten elektrischer leistungen | |
| DE102014215892A1 (de) | Kühldeckel zum Kühlen von Leistungsendstufenmodulen, Leistungselektronik mit dem Kühldeckel und Hybridmodul mit der Leistungselektronik | |
| DE102023117291A1 (de) | Leistungsteil und Induktionskochfeld mit einem solchen Leistungsteil | |
| DE102013002526A1 (de) | Ölgekühlter Transformator mit verbesserter Kühlung | |
| WO2018086810A1 (de) | Kern für eine elektrische induktionseinrichtung | |
| DE102021002053A1 (de) | Kühlplatte und Getriebe mit einer Kühlplatte |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20180621 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20200526 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS ENERGY GLOBAL GMBH & CO. KG |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20201208 |