Summary of the invention
Purpose of this disclosure is to provide a kind of light-weight but sufficiently solid support constructions, to be used to support at least one electricity
Pneumatic module.Light construction helps to reduce transportation cost.
The another object of the disclosure is to provide a kind of support construction, which can mention at least one electric component
For reliably supporting, while the amount of raw material needed for reducing support construction.
A further object for the disclosure is to provide a kind of side for manufacturing and being used to support the support construction of at least one electric component
Method, the support construction reduce the weight of support construction, but still provide with sufficient intensity to support at least one electrical group
The support construction of the load of part.
There is provided a kind of manufacture to be used to support the support construction of at least one electric component for the further object of the disclosure
Method, the amount of raw material needed for which can reduce support construction.
According on one side, a kind of support construction for being used to support at least one electric component, the support construction are provided
It include: the foundation structure at least two elongated side components;At least one beam member, will be at least two side components
Two interconnections, to increase intensity to foundation structure;And at least one cable duct tube, by two at least two side components
A interconnection, to increase intensity to foundation structure.
In other words, individually (i.e. without at least one beam member and at least one cable duct tube) size can for foundation structure
Can be too weak and at least one electric component cannot be supported.However, by using at least one beam member and at least one cable
Conduit to increase intensity for basic structure, support construction it is entire (i.e. foundation structure, at least one beam member and at least one
Cable duct tube combination) can do it is sufficiently solid to support at least one electric component.As used herein term " foot
It is enough firm " it may refer to break limit of the support construction when supporting electric component, or referring to includes break limit and safety system
The limit of both numbers (such as 1.5 or 2 times of break limit).
The some or all of components of support construction can be made of metal.For example, foundation structure, side component, at least one
Each of beam member and at least one cable duct tube can be made of metal.If two side components are adjacent to each other
Arrangement, then the two side components can be fixed by accessory (such as corner casting) and/or by welding.At least one beam member
(such as passing through screw or other tightening members) can be provisionally attached at least one cable duct tube or is permanently attached is
(such as passing through welding) is at least two side components.In addition, at least one beam member and at least one cable duct tube can be by
It is attached between identical two side components, or is attached between different pairs of side component.
For each electric component supported by support construction, support construction may include will be at least two side components
Two and a cable duct tube interconnect two beam members, to support electric component.Beam member can be arranged
At parallel with cable duct tube but vertically above cable duct tube.
In the entire length of the disclosure, support construction can be alternatively referred to as load-bearing structure, base configuration or flat
Platform.Foundation structure can be alternatively referred to as basic framework or installation foundation.Side component can be alternatively referred to as beam, framework metadata
Part, vertical structure element, side wall or longitudinal frame member.Beam member is alternatively referred to alternatively as elongated support member, profile knot
Structure (profile structure), transverse beam and/or attachment beam, support member, stake, stiffener, cross construction element or
Connection section bar.Cable duct tube can alternatively be referred to as cable and duct guides or channel.
At least one beam member and at least one cable duct tube can be substantially parallel and substantially parallel by two
Side component interconnect, two substantially parallel side components are substantially normal at least one beam member and at least one
Cable duct tube.
As it is used herein, horizontal direction is the ground surface essentially parallel directions with placement support construction, and
Vertical direction be and horizontal direction substantially orthogonal to direction.Include: substantially orthogonal to/parallel relationship as used herein
Orthogonal/parallel relationship completely, and and orthogonal/parallel relation completely the deviation with up to 5%, such as up to 2%.
Foundation structure may include four elongated side components to form frame.Each side component can have flat outer
It sees and (i.e. upright) can be vertically oriented.Two of frame while component can only by two it is other while component, extremely
Lack a beam member and at least one cable duct tube and is connected to each other.In foundation structure by four sides of formation frame
In the case that component is constituted, two side components can have first, longer length, and two side components can have second,
Shorter length.Therefore, two it is longer while component can only by two it is shorter while component, at least one beam member,
And at least one cable duct tube and be connected to each other.
Support construction may include two substantially parallel beam members, and two substantially parallel beam members will at least
Two interconnections in two side components, and two beam members can provide for each of at least one electric component
Two support surfaces.Two beam members can have the cross section of elongated shape and substantial rectangular.Therefore, each beam member
Upper surface can provide substantially horizontal support surface to one or several vertical support columns or similar electric component.
It can be substantially vertically oriented by two side components that at least one beam member interconnects, and
It the upper surface of at least one beam member can be upper with the two side components interconnected by least one beam member
Edge is substantially flush.Side component can be for example made of the sheet-metal plates (i.e. upright wall) being directed substantially vertically.
Opening is disposed across at least one cable duct tube and is threaded through at least one cable duct tube and is mutually connected
The two side components connect.Therefore, opening can extend through the pass through openings of entire support construction.Opening can substantially by
Horizontal orientation, i.e. cable duct tube can be substantially straight.
It can be substantially vertically oriented by two side components that at least one cable duct tube interconnects, and extremely
The lower surface of a few cable duct tube can be following with the two side components interconnected by least one cable duct tube
Edge is substantially flush.Therefore, the lower surface of at least one cable duct tube may be constructed one of the lower support surface of support construction
Point.
Support construction can have the substantially flat appearance being substantially typically oriented horizontally, and at least one cable duct tube
It can be positioned in below at least one beam member.Support construction can be box-like, it can have rectangular shape.
At least one electric component can be power module or modular multistage converter.Modular multistage converter
(MMC, MMLC or M2LC) is for example used as direct converter.This converter is defeated with each input side phase line to be connected to
The converter branch of side phase line out.This converter is also used as the segment transducer being serially connected.Modularization
Multiphase converter is permitted: expansible output voltage, various installations and arrangement option, and/or improved troubleshooting characteristic.
At least one beam member and/or at least one cable duct tube may include rigid tubular element or by rigid pipe
The very best part is constituted.Beam member can have the cross section of substantial rectangular, wherein height is greater than width.The cross section of cable duct tube
Shape can use various shape, such as open cross-sectional shape (such as U-shaped) or closed cross-sectional shape are (such as just
It is rectangular or round).
At least one cable duct tube may include U-section or be made of U-section.Therefore, cable duct tube can pass through
Cable duct tube and there is open top between two side components interconnecting.
A kind of system is provided according to another aspect, comprising is tied according to the support construction of the disclosure and by the support
At least one electric component that structure is supported.According to a modification, the system include according to a support construction of the disclosure, with
And two electric components supported by the support construction.
At least one electric component can be power module or modular multistage converter.Therefore, which can be alternatively
Referred to as electropneumatic transducer unit.
A kind of method for manufacturing and being used to support the support construction of at least one electric component is provided according to another aspect,
In method includes the following steps: determining required intensity of the support construction to support at least one electric component;Offer has
The foundation structure of at least two elongated side components;There is provided at least one beam member and will be at least two side components
Two interconnect at least one beam member, to increase intensity to foundation structure;And at least one cable duct tube is provided,
And two at least two side components are interconnected at least one cable duct tube, to increase intensity to foundation structure;
Wherein, it when being interconnected when side component by least one beam member and/or by least one cable duct tube, reaches first
To intensity needed for support construction.According to a modification, when side component by least one beam member and passes through at least one electricity
Cable conduit and when interconnecting, reach intensity needed for support construction first.
Term as used herein " required intensity " can refer to break limit of the support construction when supporting electric component, or
Person includes the limit of both break limit and safety coefficient (for example, 1.5 or 2 times break limit).In addition to determining electric component
Weight except, determine needed for intensity the step of can also comprise determining that accessory part associated with electric component (for example,
Cooling medium dispensing loop) weight the step of.
Using this manufacturing method, only it is made of foundation structure (that is, side component but without beam member or cable duct tube)
Support construction can be designed to be too weak and the load from electric component cannot be supported.However, by using at least one
To increase intensity to support construction, support construction becomes sufficiently solid electrical to carry for beam member and at least one cable duct tube
The load of component and its associated accessory part.In this way, compared with the support construction of some prior arts, can subtract
The weight of small support construction, wherein base construction individual size is designed to carry the load of electric component (for example, horizontal in attachment
Before beam and cable duct tube).
Specific embodiment
Hereinafter, description is used to support at least one electric component (such as power module or modular multistage conversion
Device (MMC)) support construction, the system of at least one electric component supported including support construction and by the support construction,
And the method that manufacture is used to support the support construction of at least one electric component.Identical appended drawing reference will be used to indicate phase
Same or similar structure feature.
Fig. 1 schematically shows the perspective view of support construction 10.Coordinate system is illustrated and shows in Fig. 1: horizontal
First direction 12, be orthogonal to the horizontal second direction 14 of first direction 12, and be orthogonal to first direction 12 and second party
To both 14 vertical third direction 16.
Support construction 10 includes foundation structure 18, and foundation structure 18 is elongated by four that are arranged to be formed rectangular frame
Made of metal side component 20 forms.Each side component 20 has flat appearance and vertically or is erectly oriented.Two phases
Pair shorter side component 20 be oriented at first direction 12 as in the plane of normal, and two are opposite longer
Side component 20 is oriented at second direction 14 as in the plane of normal.Four side components 20 quilt at corresponding angle segment
Weld together.However, it is possible to omit two shorter side components 20.
Support construction 10 further includes multiple beam member 22a, the 22b being connected between longer side component 20.Crossbeam
Component 22a, 22b are made of the tubular metal component of the cross section with substantial rectangular.
In the illustrated embodiment, four beam members 22a, 22b are provided.However, the number of beam member 22a, 22b
Mesh is only exemplary.Each beam member 22a, 22b are substantially extended parallel to second direction 14, two longer to bridge
Side component 20.However, beam member 22a, 22b can alternatively bridge two shorter side components 20.Beam member 22a, 22b
It is rigid and is fixedly attached to corresponding side component 20, for example, passing through welding.Therefore, beam member 22a, 22b is
The integral strength of support construction 10 increases intensity.
The cross section of the rectangle of each beam member 22a, 22b is substantially vertically oriented, that is, so that beam member
The longer side of 22a, 22b and vertical third direction 16 are substantially parallel, and the shorter side of beam member 22a, 22b and level
First direction 12 it is substantially parallel.Therefore, each beam member 22a, 22b have substantially horizontal upper surface 24a, 24b.
From figure 1 it appears that each of upper surface 24a, 24b of beam member 22a, 22b and two longer side components 20
Top edge 26 be substantially flush or be aligned.Upper surface 24a, 24b provide horizontal support surface for electric component.
Support construction 10 further includes multiple cable duct tube 28a, 28b.In this embodiment, two cable duct tubes are illustrated
28a,28b.One cable duct tube 28a is associated with two beam member 22a, and a cable duct tube 28b and beam member
22b is associated.Cable duct tube 28a, 28b are substantially parallel with beam member 22a, 22b.
Each cable duct tube 28a, 28b are made of metal and have U-shaped cross-section, the vertical web of two of them (web)
It is interconnected by lower horizonal web plate, forms respective lower 30a, 30b of cable duct tube 28a, 28b.Therefore, cable duct tube
28a, 28b are open upwards (open) in this embodiment, but it is alternatively possible to have closed cross section.Cable duct tube
28a, 28b are also rigid and are fixedly attached to corresponding side component 20, for example, passing through welding.Therefore, cable duct tube
28a, 28b are also that the integral strength of support construction 10 increases intensity.
From figure 1 it appears that cable duct tube 28a, 28b are vertically arranged below beam member 22a, 22b.More
Body, lower surface 30a, 30b of cable duct tube 28a, 28b with interconnected by least one cable duct tube 28a, 28b
The lower edge 32 of two side components 20 is substantially flush.Moreover, each cable duct tube 28a, 28b are arranged horizontally on two correlations
Between beam member 22a, 22b of connection.That is, a cable duct tube 28a is vertical in vertical third direction 16
Ground is arranged in the lower section of two beam member 22a, and is arranged horizontally on two cross in horizontal first direction 12
Between beam 22a.Cable duct tube 28b and two associated beam member 22b are arranged with identical positional relationship.It is this to set
Meter increases the rigidity of support construction 10, particularly against on front/rear direction (i.e. in the putting down as normal with first direction 12
In face) any rigidity for waving (sway).
Fig. 1 also shows four openings 34a, 34b across side component 20.Two opening 34a with 28a pairs of cable duct tube
Together, and two opening 34b are aligned with cable duct tube 28b.Therefore, 34a, 34b and cable duct tube 28a, 28b are open horizontal the
Two openings across entire support construction 10 are defined on two directions 14, for insertion into cable or pipeline etc..
Since each beam member 22a, 22b provide support surface 24a, 24b for electric component and due to every
A cable duct tube 28a, 28b (such as its title means) can accommodate cable, so beam member 22a, 22b or cable duct tube 28a,
28b is not dedicated stiffener.On the contrary, each of these components component all meets at least two functions: 1) providing
Support surface/cable encapsulating shell and 2) offer reinforcement.
Lower edge of the lower horizonal web plate (descending horizontal surface) of each cable duct tube 28a, 28b substantially with side component 20
32 flush.Therefore, cable duct tube 28a, 28b may be constructed a part of the lower support surface of support construction 10.
Fig. 2 schematically shows the perspective view of system 36, and system 36 includes the support of two electric components 38a, 38b of support
Structure 10.Each electric component 38a, 38b are illustrated as modular multistage converter herein.
Each electric component 38a, 38b include four vertical support columns 42.In four support columns 42 of electric component 38a
Two support columns 42 being spaced apart in horizontal second direction 14 are supported on each beam member 22a, and electrical simultaneously
Two support columns 42 being spaced apart in horizontal second direction 14 in four support columns 42 of component 38b are supported on often
On a beam member 22b.
The number of electric component 38a, 38b are only exemplary.Support construction 10 can for example only include that a cable is led
Pipe 28a and two beam member 22a, for only supporting an electric component 38a.As another example, support construction 10 can
To include more than two cable duct tube 28a, 28b and more than four beam member 22a, 22b, to be used to support two or more
Electric component 38a, 38b.
In Fig. 2 illustrated example, cable duct tube 28a, a 28b are associated with each electric component 38a, 38b.So
And more than one cable duct tube 28a, 28b can electricity associated or more than one with each electric component 38a, 38b
Pneumatic module 38a, 38b can be associated with each cable duct tube 28a, 28b.The electric component 38a of support construction 10 and system 36,
38b forms electropneumatic transducer unit.
Hereinafter, by description manufacture according to an example of the method for the support construction 10 of the disclosure.In a step
In (for example, first step), the number of determining electric component 38a, 38b to be supported by support construction 10 and each electric component
The weight of 38a, 38b, and calculate the required strong of the support construction 10 for being used to support one or more electric component 38a, 38b
Degree.It is to be supported be modular multistage converter in the case where, the weight of each electric component 38a, 38b or MMC can be
Several hundred kilograms, such as 200 kilograms.
In another step (such as second step), the foundation structure 18 including at least two elongated side components 20 is determined
Design.In this step, the individual size of base construction 18 should be too weak and cannot individually carry one or more electrical groups
The load of part 38a, 38b.For example, electric component 38a, 38b for theoretically ascertaining the number will be placed in foundation structure 18
In the case where, foundation structure 18 will it is too weak (that is, relative to given electric component 38a, 38b, foundation structure 18 will be broken or about
Break limit is not able to satisfy safety coefficient) and the vertical weight of electric component 38a, 38b in foundation structure 18 cannot be born
Power load.
In another step (for example, third step), it is determined that be used to support one or more electric component 38a, 38b
Design, quantity and the placement of beam member 22a, 22b.In another step (for example, four steps), it is determined that cable duct tube
Design, quantity and the arrangement of 28a, 28b, to provide for electric component 38a, 38b and/or for necessity of adjacent electrical component
The path of wiring or the routing of pipeline.In another step (for example, the 5th step), it is determined that the design of foundation structure 18 (that is,
Including two elongated side components 20, at least one beam member 22a, 22b and at least one cable duct tube 28a, 28b) be
It is no sufficiently solid, to support the weight of one or more electric component 38a, 38b.
In another step (for example, the 6th step), the basis knot including at least two elongated side components 20 is provided
Structure 18.In another step (for example, the 7th step), provide at least one beam member 22a, 22b and at least one
Beam member 22a, 22b are connected to two elongated side components 20 of foundation structure 18, to increase the rigidity of support construction 10.
In another step (for example, the 8th step), at least one cable duct tube 28a, 28b and at least one cable duct tube are provided
28a, 28b are connected to two elongated side components 20 of foundation structure 18, to increase the rigidity of support construction 10.Therefore, when
At least one beam member 22a, 22b and/or at least one cable duct tube 28a, 28b are attached to the two long of foundation structure 18
When the side component 20 of shape, support construction 10 can be sufficiently solid to support at least one electric component 38a, 38b first.Therefore,
The side component 20 of foundation structure 18, one or more cable duct tube 28a, 28b and one or more beam member 22a, 22b
Group is combined into support construction 10, and structure provides enough intensity as a whole.
Therefore, (i.e. hard enough to carry electric component instead of designing hard enough and rigid heavy foundation structure 18
The weight of 38a, 38b and its associated component), and it is then that beam member 22a, 22b and cable duct tube 28a, 28b is attached with it
It connects;The intensity as provided by least one beam member 22a, 22b and at least one cable duct tube 28a, 28b be used to be entire
The integral strength of support construction 10 provides intensity.
It is thereby possible to reduce each single component (that is, foundation structure 18, one or more beam member 22a, 22b and
One or more cable duct tube 28a, 28b) intensity and be used for single component raw material amount, while still providing enough
Hard and stable support construction 10 because total load can be assigned to foundation structure 18, at least one beam member 22a,
In 22b and at least one cable duct tube 28a, 28b.Therefore, support construction 10 as described herein and manufacture support construction 10
Method provide lightweight and slim and graceful support construction 10, it is sufficiently rigid to carry electric component 38a, 38b (such as modularization
Multiphase converter) load.As a result, transportation cost can also be reduced.Therefore, this method provides light and economic support knots
Structure 10.
Although describing the disclosure by reference to exemplary embodiment, it is to be appreciated that, the present invention is not limited to above
Described content.For example, it will be appreciated that the size of component can according to need change.Therefore, the present invention is directed to can be only
It is limited by scope of the appended claims.