CN106921097A - Busbar and preparation method thereof - Google Patents
Busbar and preparation method thereof Download PDFInfo
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- CN106921097A CN106921097A CN201710198349.4A CN201710198349A CN106921097A CN 106921097 A CN106921097 A CN 106921097A CN 201710198349 A CN201710198349 A CN 201710198349A CN 106921097 A CN106921097 A CN 106921097A
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- busbar
- current
- area
- electric current
- sectional area
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
- H01R25/145—Details, e.g. end pieces or joints
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/02—Single bars, rods, wires, or strips
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Abstract
The invention discloses a kind of busbar and preparation method thereof, the busbar includes：Busbar body, and the multiple electric current injection units located at the busbar body and multiple current loading portions；The busbar body includes first area and second area, and multiple electric current injection units are located at the first area, and multiple current loading portions are located at the second area；Wherein, in the first area towards the direction of the second area, the sectional area increase of each electric current injection unit correspondence position；And/or the sectional area of each current loading portion correspondence position reduces.Busbar of the invention injects a current into portion and current loading portion and arranges successively from top to bottom, and the larger electric current injection unit of current-carrying capacity and current loading portion is arranged to two ends respectively in the centre position of busbar, the busbar designs the size of busbar according to actual current-carrying capacity demand, on the basis of maximum carrying capacity is met, as much as possible to reduce the weight of busbar.
Description
Technical field
Busbar the present invention relates to a kind of design of loss of weight and preparation method thereof.
Background technology
Busbar be it is a kind of for the data communications equipment such as router or interchanger inside connection power module and plug-in card and
Fan, for plug-in card and fan provide the part that high current is powered.The through-current capability of busbar is typically several amperes to hundreds of amperes.
The data communications equipment such as core router, volume is big, and weight is big, and usual multiple devices are placed in same computer room.
Computer room weight capacity has certain limitation to weight of equipment.Therefore, the initial stage is designed in core router, it is necessary to consider maximum limit
Degree ground mitigates the weight of router all parts.Because the busbar current-carrying capacity used on core router is up to 840A, converge
Stream bar weight is even up to 10 kilograms, therefore busbar is also the part for needing loss of weight, and the application introduces a kind of loss of weight busbar
Method for designing.
The content of the invention
In view of this, the present invention proposes that a kind of busbar of loss of weight design and preparation method thereof is asked to solve above-mentioned technology
Topic.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of first aspect according to embodiments of the present invention, there is provided busbar, including：Busbar body, and be located at
Multiple electric current injection units of the busbar body and multiple current loading portions；The busbar body includes first area and the
Two regions, multiple electric current injection units are located at the first area, and multiple current loading portions are located at the second area；
Wherein, in the first area towards the direction of the second area, each described electric current injection unit correspondence position
Busbar body sectional area increase, until increasing to the default maximum secting area corresponding to the limit value of current-carrying capacity；With/
Or the sectional area of the busbar body of each current loading portion correspondence position is default as corresponding to the limit value of current-carrying capacity
Maximum secting area reduce.
Busbar of the present invention further improvement is that, the sectional area of the electric current injection unit correspondence position with flow through the position
The section current-carrying capacity put is directly proportional, the sectional area of current loading portion correspondence position with flow through the section current-carrying capacity of the position into
Direct ratio.
Busbar of the present invention further improvement is that,
The sectional area of each electric current injection unit correspondence position passes through formula S=I(m)/ F is calculated and obtained, I(m)By letter
Numerical expression I(m)=Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit, in the first area court
To the direction of the second area, the m is the natural number gradually increased by 1, and a is that first area contacts surface current, and E is each
The limit value of the electric current injection unit correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body；
The sectional area of each current loading portion correspondence position passes through formula S=I(n)/ F is calculated and obtained, I(n)By public affairs
Formulas I(n)=E-b* (n-1) is calculated and obtained, wherein, n is the layout sequence number in each current loading portion, in the first area direction
The direction of the second area, the n is the natural number gradually increased by 1, and b is that second area contacts surface current, and E is each institute
The limit value of current loading portion correspondence position current-carrying capacity is stated, F is the material current-carrying capacity of the busbar body.
Busbar of the present invention further improvement is that, the busbar body be two, two busbar bodies
It is arranged side by side；One of them described busbar body is used to connect positive source, and another described busbar body is used to connect
Power cathode.
Busbar of the present invention further improvement is that, it is described conflux body correspondence the electric current injection unit and the electric current
Load portion includes：Electrical connection section and fastener, the electrical connection section are fixedly connected with busbar body；Wherein, by described
With the busbar body be electrically connected with for power supply unit and/or electrical equipment by fastener.
Busbar of the present invention further improvement is that, the busbar body is in the first area and secondth area
The structure trapezoidal shape or stepped in domain.
A kind of another aspect according to embodiments of the present invention, there is provided preparation method of busbar, including：
Busbar body is prepared, the busbar body includes first area and second area；
Multiple electric current injection units are prepared in the first area, multiple current loading portions are prepared in the second area；
The busbar body is cut out, so that in the first area towards the direction of the second area, described in each
The sectional area increase of the busbar body of electric current injection unit correspondence position, increases to default maximum secting area, described default
Maximum secting area is according to determined by the limit value of current-carrying capacity；And/or, the busbar body is cut, so that described in each
The sectional area of the busbar body of current loading portion correspondence position reduces.
The inventive method further improvement is that, before the busbar body is cut, also include：
By formula S=I(m)/ F calculates the sectional area of each electric current injection unit correspondence position, I(m)By functional expression
I(m)=Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit, in the first area towards institute
The direction of second area is stated, the m is the natural number gradually increased by 1, and a is that first area contacts surface current, and E is for described in each
The limit value of electric current injection unit correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body；
By formula S=I(n)/ F calculates the sectional area of each current loading portion correspondence position, I(n)By formula I(n)
=E-b* (n-1) is calculated and obtained, wherein, n is the layout sequence number in each current loading portion, in the first area towards described the
The direction in two regions, the n is the natural number gradually increased by 1, and b is that second area contacts surface current, and E is each described electric current
The limit value of load portion correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body.
The inventive method further improvement is that, it is described to cut the busbar body, including：
According to result of calculation, the part of the sectional area needed at each position corresponding to the electric current injection unit is cut,
And/or cut the part of the sectional area needed at each position corresponding to the current loading portion.
The inventive method further improvement is that, it is described to cut the busbar body, including：
According to result of calculation, the cutting slope of the two neighboring electric current injection unit correspondence sectional area is determined, it is determined that finally
Slope is cut, the corresponding busbar body of electric current injection unit each described is cut according to the final slope that cuts, so as to cut out
The corresponding sectional area of each electric current injection unit after cutting is more than or equal to the sectional area that result of calculation determines, and confluxing of cropping
The weight of bar body is the maximum that each cuts corresponding busbar this body weight for cropping of slope；
And/or, according to result of calculation, determine the cutting slope of the two neighboring current loading portion correspondence sectional area, really
Fixed final cutting slope, locally cuts out according to the final cutting slope to the corresponding busbar in current loading portion each described
Cut, so that the corresponding sectional area in each current loading portion after cutting is more than or equal to the sectional area that result of calculation determines, and cut out
The weight of the busbar body cut is the maximum that each cuts corresponding busbar this body weight for cropping of slope.
The inventive method further improvement is that, also include：
Punished corresponding to the position of each described electric current injection unit and each electric current injection unit in the body that confluxes
Electrical connection section is not prepared, to be electrically connected with power supply unit or with electrical equipment.
The technical scheme that embodiments of the invention are provided can include the following benefits：Busbar of the invention is by electric current
Injection unit and current loading portion arrange successively from top to bottom, and make the larger electric current injection unit of current-carrying capacity and current loading portion in remittance
The centre position for flowing bar is arranged to two ends respectively, and the busbar designs the size of busbar according to actual current-carrying capacity demand, with
On the basis of maximum carrying capacity is met, as much as possible reduce the weight of busbar.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Fig. 1 is a kind of side structure schematic diagram of the busbar shown in an exemplary embodiment of the invention；
Fig. 2 is a kind of structural representation of the busbar shown in an exemplary embodiment of the invention；
Fig. 3 is a kind of structural representation of the busbar shown in further example embodiment of the present invention；
Fig. 4 is a kind of flow chart of the preparation method of the busbar shown in an exemplary embodiment of the invention；
Fig. 5 is that a kind of busbar shown in an exemplary embodiment of the invention prepares schematic diagram；
Fig. 6 is that a kind of busbar shown in the application further example embodiment prepares schematic diagram.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these implementation methods are simultaneously
The present invention is not limited, structure that one of ordinary skill in the art is made according to these implementation methods, method or functionally
Conversion is all contained in protection scope of the present invention.
It is the purpose only merely for description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the present invention and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
May be combined containing one or more associated any or all of project listed.
As shown in Figure 1 to Figure 3, Fig. 1 is that a kind of side structure of the busbar shown in the exemplary embodiment of the application one shows
It is intended to；Fig. 2 is a kind of structural representation of the busbar shown in the exemplary embodiment of the application one；Fig. 3 is that the application is another to be shown
Example property implements a kind of structural representation of the busbar for exemplifying.Busbar of the invention includes：Busbar body 111；Conflux
Bar body 111 includes the first area 100 for the multiple electric current injection units 12 of layout, and for the of the multiple current loading portions 13 of layout
Two regions 200.Specifically, it is illustrated that busbar body is divided into two sections in the longitudinal direction, wherein, epimere is defined as the firstth area
Domain 100, is used to be laid out multiple electric current injection units 12；Hypomere is defined as second area 200, is used to be laid out multiple current loading portions
13.The busbar by electric current injection unit 12, current loading portion 13 respectively with the connection of communication equipment, meet inside communication equipment
The through-flow requirement of high current.
In the present invention, in first area 100 towards the direction of second area 200, each correspondence position of electric current injection unit 12
Busbar body 111 sectional area increase, until increasing to the default maximum secting area corresponding to the limit value of current-carrying capacity；
And/or the sectional area of the busbar body 111 of each correspondence position of current loading portion 13 is as corresponding to the limit value of current-carrying capacity
Default maximum secting area reduces.Wherein, the limit value of current-carrying capacity is usually that electric current sum as needed for electrical equipment determines.
It should be noted that section refers to being perpendicular to the section of the length direction of busbar body 111, i.e., with electric current stream
The section in the dynamic perpendicular direction in direction.As shown in Figure 2, to be cut open along vertical paper direction, corresponding face is the application
Direction corresponding to sectional area.
Alternatively, electric current injection unit 12 is identical with the structure in current loading portion 13.
A kind of attainable mode is：Electric current injection unit 12 and current loading portion 13 are metal layer structure, set respectively
In the two ends of busbar body 111, electrical equipment and power supply are realized and busbar body by being welded with the metal layer structure
111 electrical connection；Certainly, electric current injection unit 12 and current loading portion 13 can also be metal solder joints.
Another attainable mode is：As shown in figure 1, electric current injection unit 12 and current loading portion 13 include：Electricity
Connecting portion 121 and fastener 122, wherein, electrical connection section 121 be able to can be replaced with busbar body 111 by being welded and fixed
, can increase electric conductivity preferred embodiment as a kind of, electrical connection section 121 and the one of busbar body 111 into
Type, electrical connection section 121 stretches out along busbar body 111；Can be by fastener 122 by power supply unit and/or electricity consumption
(wherein, conductive component can be printed circuit board (PCB) to the conductive component of equipment, or conductor wire, or can also be metal
Bar) it is electrically connected with electrical connection section 121, and then realize the electric connection with busbar body 111.Fastener 122 can be simultaneously
Play galvanization and fastening effect.Wherein, electrical connection section 121 can be metallic sheet-like formation as shown in Figure 1, big to be formed
Power supply plane of flow；Electrical connection section 121 is also fixed by insulating part in addition to being fixed with busbar body with router shelf.
Fastener 122 can be bolt, can lead to by the current-carrying part of power supply unit and/or electrical equipment on electrical connection section 121
Cross and tighten bolt the conductive component of power supply unit and/or electrical equipment is fixed on electrical connection section 121.Certainly, electrical connection section
121 can also be two panels sheet metal, and conductive component between two panels sheet metal, and can be fixed by fastener 122.
In the figure shown in Fig. 1, electric current injection unit 12 and current loading portion 13 arrange successively from top to bottom, it is understood that
For, the busbar of the present embodiment, electric current injection unit 12 and current loading portion 13 are respectively arranged at the two ends of busbar, and each court
Arranged successively to the centre position of busbar.
The busbar that the present embodiment is provided can be used cooperatively with router or interchanger, be the electricity consumptions such as plug-in card, fan
Equipment is powered, for example, electrical equipment can include：It is any one or more in master control borad, line card, web plate, fan frame.
The present embodiment is illustrated so that busbar is used cooperatively with router as an example.Busbar during use, current loading portion
13 are connected with electrical equipment (not shown), and electric current injection unit 12 is connected with power supply (not shown), such that it is able to
For electrical equipment is powered, wherein, electric current flows along the direction of electric current injection unit 12 towards current loading portion 13.
When power supply is for multiple, then multiple power supplies are distinguished corresponding electric current injection unit 12 and are connected, for
For sectional area corresponding to electric current injection unit 12, one end (electric current injection unit 12 where one end) along busbar is to confluxing
On the direction in bar centre position, with increasing for the power supply for stream, the sectional area corresponding to electric current injection unit 12 is carried
Electric current be increase.
For busbar of the prior art, the sectional area corresponding to each electric current injection unit is set according to electricity consumption
What standby electric current sum determined, each corresponding sectional area of electric current injection unit is equal, is equal to default maximum cross-section
Product.And the busbar that the present embodiment is provided, first area towards second area directional current injection unit correspondence position
Sectional area increases, until increasing to the default maximum secting area corresponding to the maximum current that the sectional area can be carried.In other words
Say, the sectional area of the busbar that the present embodiment is provided is gradually reduced by default maximum secting area, thus with prior art
The busbar that sectional area is equal to default maximum secting area is compared, and has reached the purpose of loss of weight.
On the basis of above-described embodiment, for current loading portion 13, when electrical equipment is for multiple, electrical equipment
Current loading portion 13 corresponding respectively connects, now along busbar centre position to confluxing where current loading portion 13
On the direction of the other end of bar, due to the shunt effect of electrical equipment, the electric current that busbar is carried can be carried by sectional area
Maximum current be gradually reduced.
Thus, the busbar that the present embodiment is provided, the sectional area of the correspondence position of current loading portion 13 by current-carrying capacity limit
Default maximum secting area corresponding to definite value reduces.
In an alternative embodiment, while busbar meets current-carrying capacity demand, can be cut using broken line type, obtained
Staged busbar as shown in Figure 2；Or inclined cutout busbar is obtained as shown in figure 3, being cut out using beveling mode, reach and subtract
Weight purpose, i.e. the structure of first area 100 and second area 200 is stepped or trapezoidal shape.Certainly, in other realities of the invention
In applying example, it is also possible to according to each electric current injection unit 12 and the actual demand sectional area of the current-carrying capacity of current loading portion 13, cut out
The busbar of arbitrary shape.
In a preferred embodiment, the optimum efficiency that busbar is reached is：The correspondence position of electric current injection unit 12 cut
Area is directly proportional to the section current-carrying capacity for flowing through the position, the sectional area of the correspondence position of current loading portion 13 with flow through the position
Section current-carrying capacity is directly proportional.By this proportionate relationship, so that the redundance removal on busbar, makes busbar more smart
Letter, weight is smaller with volume, and the scope of application and environment are wider.
In embodiments of the invention, the sectional area of each correspondence position of electric current injection unit 12 passes through formula S=I(m)/ F is calculated
Obtain, I(m)By functional expression I(m)=Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit 12,
In first area 100 towards the direction of second area 200, m is the natural number gradually increased by 1, and a is contacted for first area 100
Surface current, E is the limit value of each correspondence position current-carrying capacity of electric current injection unit 12, and F is the material current-carrying of busbar body 111
Amount.Each sectional area required for the correspondence position of electric current injection unit 12 can so be calculated.Each correspondence position of current loading portion 13
Sectional area pass through formula S=I(n)/ F is calculated and obtained, I(n)By formula I(n)=E-b* (n-1) is calculated and obtained, wherein, n is each
The layout sequence number in individual current loading portion 13, in first area 100 towards the direction of second area 200, n is gradually increased by 1
Natural number, b is that second area 200 contacts surface current, and E is the limit value of each correspondence position current-carrying capacity of current loading portion 13, and F is
The material current-carrying capacity of busbar body 111.Each sectional area required for the correspondence position of current loading portion 13 can be so calculated, its
In, the sectional area of the correspondence position of current loading portion 13 is perpendicular to the section of the length direction of busbar body 111 by this.
In one example embodiment of the present invention, the current-carrying capacity of electric current injection unit 12 is no more than 350A, according to electrical equipment
Total current value by E values be 1050A, the current-carrying capacity in each current loading portion 13 is no more than 150A, if busbar body
Material is copper, then every square millimeter of current-carrying capacity F value is 5A/mm2, and thus, the computational methods according to above-mentioned formula are as follows：
The section current-carrying capacity of the correspondence position of electric current injection unit 12：I(m)=Min (350*m, 1050)；
M is the marking serial numbers of electric current injection unit 12, m=1,2,3
Finally, by S=I(m)/ 5 sectional areas for calculating each electric current injection unit 12 correspondence position.
The section current-carrying capacity of the correspondence position of current loading portion 13：I(n)=1050-150* (n-1)；
N is the marking serial numbers in current loading portion 13, n=1,2,3
Finally, by S=I(n)/ 5 sectional areas for calculating each correspondence position of current loading portion 13.
It should be noted that when calculating, the sectional area for finally calculating can suitably round up, to cause each electricity
Identified cutting slope is equal between the correspondence sectional area of current load portion 13.Wherein, it is according to any two electric current to cut slope
The value of the sectional area corresponding to load portion 13 and current loading portion 13 are determined by the length of side corresponding to second area 200.
Cutting slope K 1 as illustrated in FIG. 2 is the cutting determined according to the corresponding sectional area in current loading portion of m=1 and m=2
Slope, K2 is the cutting slope determined according to the corresponding sectional area in current loading portion of m=2 and m=3.For example, under
The sectional area that current loading portion 5 in table is calculated is equal to 80, but in order to the sectional area institute of current loading portion 1-4 before this
The cutting slope determined is equal, therefore, the sectional area that current loading portion 6 determines is taken as 90 upwards, and as a same reason, electric current is born
The sectional area that load portion 6 is calculated is actual equal to 52, and it is 60 to round up.Thus, the sectional area in each current loading portion into etc.
Difference formal distribution, and because current loading portion 13 is equal in the length of side corresponding to second area 200, thus the sanction determined
Slope is cut identical, consequently facilitating cutting.
It should be noted that should be rounded up when rounding, the sectional area ratio after otherwise cutting is determined according to formula
Sectional area it is small, then easily cause busbar heating, the degradation of busbar.
Following table is each section of the section current-carrying capacity and the corresponding computation sheet of sectional area of layer.
The sectional area of current loading portion 13 determined by above-described embodiment and position corresponding to electric current injection unit 12 is relatively smart
Really, accordingly, the first area of the body of the busbar for cutting out and second area are stepped.For manufacture busbar sheet
For body, then certain difficulty is brought.
Preferably, when power supply is set so that the corresponding electric current injection unit 12 of each power supply is in connection
When the electric current that is carried of contact surface it is equal, thus, along busbar one end (one end where electric current injection unit 12) to
On the direction in busbar centre position, with increasing for the power supply for carrying, the sectional area institute corresponding to electric current injection unit 12
The electric current of carrying is substantially uniform increase, and thus the sectional area of identified each correspondence position of electric current injection unit 12 is also equal
Even increase, until increasing to default maximum secting area.
So arrangement power supply advantage be：Make busbar when, as long as determine default maximum secting area with
And the sectional area of the electric current injection unit 12 positioned at busbar edge, cutting slope is determined according to the two, now cut oblique
Rate only one of which, is easy to cut, and now busbar body is cut, the trapezoidal shape in first area 100 after cutting.
Similarly, for each current loading portion 13, it is preferable that so that each current loading portion 13 is exported to electricity consumption
The electric current of equipment is equal, i.e., contact surface of the corresponding current loading portion 13 of each electrical equipment in connection is carried
Electric current is equal, now on the direction along busbar centre position to the other end of the busbar where current loading portion 13,
The electric current that busbar is carried uniformly is reduced by the maximum current that sectional area can be carried.Busbar body is cut, is cut out
Second area 200 after cutting also trapezoidal shape.
It should be noted that for electrical equipment, when electrical equipment is different, each corresponding to each electrical equipment
The contact surface current that current loading portion 13 is carried is typically unequal, can now be arranged at the electrical equipment of low current and conflux
The end of bar body, i.e. electric current are smaller, are set closer to the end of busbar body.Now different current loading portions 13 can be with
Multiple cutting slopes are determined, cutting slopes according to multiple determines final cutting slope, according to the final slope that cuts to each electricity
The corresponding busbar body in current load portion 13 is cut so that cut after the corresponding sectional area in each current loading portion be more than or
Equal to sectional area determined by above-mentioned computing formula, and the weight of the busbar body for cropping should be each cutting slope
The maximum of corresponding busbar this body weight for cropping,
Should be guaranteed that the sectional area of each correspondence position of current loading portion 13 after cutting should be than using above-mentioned implementation
The sectional area determined using formula in example is big, that is, sectional area after cutting should also be as meeting most basic current-carrying demand, and
And should also make weight maximum (weight of the busbar body after cutting is smaller) of the busbar body for cropping namely most
The purpose for realizing loss of weight of limits.
Wherein, electric current injection unit 12 is similar with the method in above-mentioned current loading portion 13 in cutting method, is cut in multiple oblique
In rate, the busbar body after the cutting slope of final choice should cut guarantee meets basic current-carrying demand, and cropped
The weight of the busbar for falling is maximum.Concrete mode is repeated no more.
In an alternative embodiment, busbar body 111 is two, and two busbar bodies 111 are arranged side by side, this two
Insulating barrier is provided between busbar body 111, is bonded together by the insulating barrier, to avoid two electricity of busbar body 111
Property connection.Above-mentioned electric current injection unit 12 and current loading portion 13 are equipped with two busbar bodies 111.One of busbar
Body 111 is used to connect positive source, and another busbar body 111 is used to connect power cathode, connects the remittance of positive source
Current loading portion 13 on stream bar body 111 connects confluxing for power cathode to be connected with the current input terminal of electrical equipment
Current loading portion 13 on body 11 is used to be connected with the current output terminal of electrical equipment.In the present embodiment, two busbars
Body 111 is electrically connected by with power supply unit and electrical equipment, realizes power supply of the power supply unit to electrical equipment.Certainly, exist
In other embodiment, it is also possible to only including a busbar body 111, by the circuit layout on busbar body 111, equally
The electrical connection of power supply unit and electrical equipment can be realized.
It should be noted that when busbar body 111 is two, i.e., connecting the positive pole of power supply and the situation of negative pole respectively
Under, in calculating current, only calculate one piece of sectional area of busbar body 111.
Busbar of the invention is carried out according to the corresponding actual demand sectional area of electric current injection unit 12 and current loading portion 13
Cut, to reduce the weight of busbar and take up room.
Each electric current injection unit 12 can further be carried out with the corresponding sectional area in current loading portion 13 according to size
Ordered arrangement, so that the outward appearance of busbar is more attractive in appearance.Certainly, in order to meet the demand of current-carrying, accordingly, power supply unit
Should along one end of busbar to the centre position of busbar according to the size of current of input busbar according to from small to large
Order is configured；Electrical equipment should also be as extending according to electricity consumption to the centre position of busbar along the other end of busbar
Electric current order from small to large is configured.
As shown in figure 4, the another aspect of the embodiment of the present invention, additionally provides a kind of preparation method of busbar, the preparation
Method includes：
S401, busbar body is prepared, busbar body includes first area and second area.
S403, multiple electric current injection units are prepared in first area, multiple current loading portions are prepared in second area.
S405, busbar body is cut out, so that in first area towards the direction of second area, each electric current injection unit pair
Answer the sectional area of the busbar body of position to increase, increase to default maximum secting area, the default maximum secting area is
Limit value according to current-carrying capacity is determined；And/or, busbar body is cut, so that the remittance of each current loading portion correspondence position
The sectional area for flowing bar body reduces.
In the method for the present invention, inject a current into portion and current loading part and be located at the two ends of busbar body, by right
Busbar body is cut, unwanted part on removal busbar body, i.e., beyond electric current injection unit or current loading portion
Sectional area needed for correspondence position.
In an optional the present embodiment, before busbar body is cut, the electric current on busbar body can be injected
The portion and sectional area of position is calculated corresponding to current loading portion, by accurate calculation being convenient to the sanction to busbar body
Cut.Specifically, by formula S=I(m)/ F calculates the sectional area of each electric current injection unit correspondence position, I(m)By functional expression I(m)
=Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit, in first area towards second area
Direction, m is the natural number gradually increased by 1, and a is that first area contacts surface current, and E is each electric current injection unit correspondence position
The limit value of current-carrying capacity, F is the material current-carrying capacity of busbar body.So algorithmic approach can accurately calculate each electric current note
Sectional area needed for entering portion, such that it is able to farthest reduce the weight of busbar.In addition, by this kind of calculating of mode,
Also sectional area is arranged in order as desired in the portion of injecting a current into, and can be conducive to the cutting of busbar.
Further, by formula S=I(n)/ F calculates the sectional area of each current loading portion correspondence position, I(n)By public affairs
Formulas I(n)=E-b* (n-1) is calculated and obtained, wherein, n is the layout sequence number in each current loading portion, in first area towards second
The direction in region, n is the natural number gradually increased by 1, and b is that second area contacts surface current, and E is each current loading portion correspondence
The limit value of position current-carrying capacity, F is the material current-carrying capacity of busbar body.Similarly, can be accurate according to above-mentioned computational methods
Calculate each current loading portion needed for sectional area, and the portion of injecting a current into is laid out in order, can be farthest
Reduce the weight of busbar, and be conducive to the cutting of busbar.
As shown in figure 5, in the step of cutting busbar body, in an alternative embodiment of the invention, being tied according to calculating
Really, the part of the sectional area needed at each position corresponding to electric current injection unit is cut, and/or cuts each current loading portion
Beyond the part of required sectional area at corresponding position, the structure of the busbar body for cutting out in this way can be in rank
Scalariform or other irregular shapes.
As shown in fig. 6, in the another alternative embodiment of invention, according to result of calculation, it is determined that slope is finally cut, according to
The final slope that cuts cuts to the corresponding busbar body of electric current injection unit each described, so that each electric current note after cutting
Enter the corresponding sectional area in portion is more than or equal to the sectional area that result of calculation determines, and the weight of the busbar body for cropping
Each cuts the maximum of corresponding busbar this body weight for cropping of slope；
And/or, according to result of calculation, determine the cutting slope of the two neighboring current loading portion correspondence sectional area, really
Fixed final cutting slope, locally cuts out according to the final cutting slope to the corresponding busbar in current loading portion each described
Cut, so that the corresponding sectional area in each current loading portion after cutting is more than or equal to the sectional area that result of calculation determines, and cut out
The weight of the busbar body cut is the maximum that each cuts corresponding busbar this body weight for cropping of slope.Pass through
This kind of mode can meet the section current-carrying capacity of each electric current injection unit and each current loading portion, first area is cut out ladder
Shape and structure, makes second area to cut out trapezoidal shape structure, and this kind of mode is easy to the operation for cutting, and is easy to production.
In the method for the invention, can also be in the body that confluxes corresponding to each electric current injection unit and each electric current injection unit
Position at prepare electrical connection section respectively, to power supply unit or with electrical equipment be electrically connected with.Specifically, the busbar sheet
Body can be fixed in power supply unit or electrical equipment by fastener and electrical connection section cooperation.The electrical connection section and fastener
Structure as above-mentioned busbar embodiment described in, just repeat no more herein.
In addition, in the method for the present invention, according to the demand of busbar, it is also possible to prepare two busbar sheets being set up in parallel
Body, insulating barrier is provided with to separate between two busbar bodies, by two designs of busbar body, can be in order to distinguish
Both positive and negative polarity relation of busbar etc..
Busbar of the invention and preparation method thereof injects a current into portion and current loading portion and arranges successively from top to bottom, and
By the larger electric current injection unit of current-carrying capacity and current loading portion in the centre position of busbar, towards busbar two ends, electric current
The current-carrying capacity in injection unit and current loading portion is gradually reduced, and the busbar designs the chi of busbar according to actual current-carrying capacity demand
It is very little, on the basis of maximum carrying capacity is met, as much as possible to reduce the weight of busbar.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by the application
Claim point out.
It should be appreciated that the invention is not limited in the precision architecture being described above and be shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (11)
1. a kind of busbar, it is characterised in that including：Busbar body, and located at multiple electric currents of the busbar body
Injection unit and multiple current loading portions；The busbar body includes first area and second area, multiple electric current injections
Portion is located at the first area, and multiple current loading portions are located at the second area；
Wherein, in the first area towards the direction of the second area, the remittance of each electric current injection unit correspondence position
The sectional area increase of bar body is flowed, until increasing to the default maximum secting area corresponding to the limit value of current-carrying capacity；And/or it is each
The sectional area of the busbar body of individual current loading portion correspondence position as corresponding to the limit value of current-carrying capacity it is default most
Heavy in section product reduces.
2. busbar according to claim 1, it is characterised in that the sectional area of electric current injection unit correspondence position with flow through this
The section current-carrying capacity of position is directly proportional, the sectional area of current loading portion correspondence position with flow through the section current-carrying capacity of the position into just
Than.
3. busbar according to claim 2, it is characterised in that
The sectional area of each electric current injection unit correspondence position passes through formula S=I(m)/ F is calculated and obtained, I(m)By functional expression
I(m)=Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit, in the first area towards institute
The direction of second area is stated, the m is the natural number gradually increased by 1, and a is that first area contacts surface current, and E is for described in each
The limit value of electric current injection unit correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body；
The sectional area of each current loading portion correspondence position passes through formula S=I(n)/ F is calculated and obtained, I(n)By formula I(n)
=E-b* (n-1) is calculated and obtained, wherein, n is the layout sequence number in each current loading portion, in the first area towards described the
The direction in two regions, the n is the natural number gradually increased by 1, and b is that second area contacts surface current, and E is each described electric current
The limit value of load portion correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body.
4. busbar according to claim 1, it is characterised in that the busbar body is two, is confluxed described in two
Bar body is arranged side by side；One of them described busbar body is used to connect positive source, and another described busbar body is used
To connect power cathode.
5. busbar according to claim 1, it is characterised in that the body correspondence electric current injection unit and the institute of confluxing
Stating current loading portion includes：Electrical connection section and fastener, the electrical connection section are fixedly connected with busbar body；Wherein, lead to
The fastener is crossed to be electrically connected with power supply unit and/or electrical equipment with the busbar body.
6. busbar according to any one of claim 1 to 5, it is characterised in that the busbar body is described
The structure trapezoidal shape or stepped of one region and the second area.
7. a kind of preparation method of busbar, it is characterised in that including：
Busbar body is prepared, the busbar body includes first area and second area；
Multiple electric current injection units are prepared in the first area, multiple current loading portions are prepared in the second area；
The busbar body is cut out, so that in the first area towards the direction of the second area, each described electric current
The sectional area increase of the busbar body of injection unit correspondence position, increases to default maximum secting area, the default maximum
Sectional area is according to determined by the limit value of current-carrying capacity；
And/or, the busbar body is cut, so that the section of the busbar body of each current loading portion correspondence position
Product is reduced by the default maximum secting area.
8. preparation method according to claim 7, it is characterised in that before the busbar body is cut, also include：
By formula S=I(m)/ F calculates the sectional area of each electric current injection unit correspondence position, I(m)By functional expression I(m)=
Min (a*m, E) is calculated and obtained, wherein, m is the layout sequence number of each electric current injection unit, in the first area towards described the
The direction in two regions, the m is the natural number gradually increased by 1, and a is that first area contacts surface current, and E is each described electric current
The limit value of injection unit correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body；
By formula S=I(n)/ F calculates the sectional area of each current loading portion correspondence position, I(n)By formula I(n)=E-
B* (n-1) is calculated and obtained, wherein, n is the layout sequence number in each current loading portion, in the first area towards secondth area
The direction in domain, the n is the natural number gradually increased by 1, and b is that second area contacts surface current, and E is each described current loading
The limit value of portion's correspondence position current-carrying capacity, F is the material current-carrying capacity of the busbar body.
9. preparation method according to claim 8, it is characterised in that the cutting busbar body, including：
According to result of calculation, the part of the sectional area needed at each position corresponding to the electric current injection unit is cut, and/or
Cut the part of the sectional area needed at each position corresponding to the current loading portion.
10. preparation method according to claim 8, it is characterised in that the cutting busbar body, including：
According to result of calculation, the cutting slope of the two neighboring electric current injection unit correspondence sectional area is determined, it is determined that final cut
Slope, cuts, so that after cutting according to the final slope that cuts to the corresponding busbar body of electric current injection unit each described
The corresponding sectional area of each electric current injection unit more than or equal to the sectional area that result of calculation determines, and the busbar sheet for cropping
The weight of body is the maximum that each cuts corresponding busbar this body weight for cropping of slope；
And/or, according to result of calculation, the cutting slope of the two neighboring current loading portion correspondence sectional area is determined, it is determined that most
Slope is cut eventually, and the corresponding busbar in current loading portion each described is locally cut according to the final cutting slope, with
Make the corresponding sectional area in each current loading portion after cutting more than or equal to the sectional area that result of calculation determines, and crop
The weight of busbar body is the maximum that each cuts corresponding busbar this body weight for cropping of slope.
11. preparation methods according to claim 7, it is characterised in that also include：
Made respectively at the position of the body corresponding to each described electric current injection unit and each electric current injection unit of confluxing
Standby electrical connection section, to be electrically connected with power supply unit or with electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198349.4A CN106921097B (en) | 2017-03-29 | 2017-03-29 | Busbar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710198349.4A CN106921097B (en) | 2017-03-29 | 2017-03-29 | Busbar and preparation method thereof |
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| CN106921097A true CN106921097A (en) | 2017-07-04 |
| CN106921097B CN106921097B (en) | 2019-07-05 |
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| JP2000151149A (en) * | 1998-11-06 | 2000-05-30 | Harness Syst Tech Res Ltd | Bus bar |
| CN2787681Y (en) * | 2005-03-18 | 2006-06-14 | 贵阳铝镁设计研究院 | Circular bevel shape generatrix of aluminium electrolytic cell |
| CN101923948A (en) * | 2009-06-15 | 2010-12-22 | 苏州工业园区隆盛电器成套设备制造有限公司 | Novel foil winding type coil leading copper busbar |
| CN202677863U (en) * | 2012-01-19 | 2013-01-16 | 百度在线网络技术（北京）有限公司 | Power supply bus and equipment cabinet having same |
| CN103247941A (en) * | 2013-05-21 | 2013-08-14 | 苏州新海宜通信科技股份有限公司 | Right trapezoid copper bar distribution structure and right trapezoid copper bar manufacturing method thereof |
| CN204633078U (en) * | 2015-04-27 | 2015-09-09 | 首瑞（天津）电气设备有限公司 | A kind of longitudinal and transverse reversible bus-bar and photovoltaic combiner box |
-
2017
- 2017-03-29 CN CN201710198349.4A patent/CN106921097B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000151149A (en) * | 1998-11-06 | 2000-05-30 | Harness Syst Tech Res Ltd | Bus bar |
| CN2787681Y (en) * | 2005-03-18 | 2006-06-14 | 贵阳铝镁设计研究院 | Circular bevel shape generatrix of aluminium electrolytic cell |
| CN101923948A (en) * | 2009-06-15 | 2010-12-22 | 苏州工业园区隆盛电器成套设备制造有限公司 | Novel foil winding type coil leading copper busbar |
| CN202677863U (en) * | 2012-01-19 | 2013-01-16 | 百度在线网络技术（北京）有限公司 | Power supply bus and equipment cabinet having same |
| CN103247941A (en) * | 2013-05-21 | 2013-08-14 | 苏州新海宜通信科技股份有限公司 | Right trapezoid copper bar distribution structure and right trapezoid copper bar manufacturing method thereof |
| CN204633078U (en) * | 2015-04-27 | 2015-09-09 | 首瑞（天津）电气设备有限公司 | A kind of longitudinal and transverse reversible bus-bar and photovoltaic combiner box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106921097B (en) | 2019-07-05 |
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