CN209402157U - Busbar structure for power distribution system - Google Patents
Busbar structure for power distribution system Download PDFInfo
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- CN209402157U CN209402157U CN201920360928.9U CN201920360928U CN209402157U CN 209402157 U CN209402157 U CN 209402157U CN 201920360928 U CN201920360928 U CN 201920360928U CN 209402157 U CN209402157 U CN 209402157U
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- busbar
- conduct piece
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- 239000003990 capacitor Substances 0.000 claims abstract description 42
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to a female structure of arranging for distribution system, include: the first busbar and the second busbar are arranged in parallel; and the first end of the conductive piece is electrically connected with the first busbar, the second end of the conductive piece is electrically connected with the second busbar, and the conductive piece is electrically connected with a capacitor. Through the busbar structure, each low-voltage direct-current power supply in the low-voltage direct-current system can be interconnected, power mutual aid between the low-voltage direct-current power supplies is realized, namely, each low-voltage direct-current power supply can supply power for a local load and can be connected to a bus, the utilization rate of a direct-current converter in the low-voltage direct-current power supplies is improved, and the problem of low utilization rate of the direct-current converter caused by different load sizes of each low-voltage direct-current power supply in the low-voltage direct-current system is effectively solved.
Description
Technical field
The utility model relates to distribution technique fields, more particularly to a kind of busbar structure for distribution system.
Background technique
Low-voltage direct-current system can be applied to the power plants such as waterpower, firepower, provide power supply for equipment such as breaker, plug-in strips.Mesh
Before, there are many low-voltage dc power supplies in low-voltage direct-current system, and these low-voltage dc power supplies are mutually indepedent, are locally associated negative
Carry power supply.
Under normal circumstances, the payload size of each low-voltage dc power supply is different in low-voltage direct-current system, leads to the low pressure having
DC power supply is in overload, and some is in light condition, can thus there is different supply frequency points, reduces low
Press the utilization rate of DC converter in DC power supply.
Utility model content
Based on this, it is necessary to caused by the payload size difference because of low-voltage dc power supply each in low-voltage direct-current system
The low problem of DC converter utilization rate in low-voltage dc power supply provides a kind of busbar structure for distribution system.
A kind of busbar structure for distribution system, comprising:
The first busbar and the second busbar being set in parallel；
Conduct piece, the first end of conduct piece are electrically connected with the first busbar, and the second end of conduct piece is electrically connected with the second busbar,
And capacitor is electrically connected on conduct piece.
Conduct piece is equipped with cavity in one of the embodiments, and two pins of capacitor are plugged in cavity, and capacitor
Two pins between be isolated by collets, collets be arranged in cavity.
The first conductive insertion tube and the second conductive insertion tube are also connected on conduct piece in one of the embodiments, capacitor
One pin is plugged in the first conductive insertion tube after passing through cavity, another pin is plugged on the second conductive insertion tube after passing through cavity
It is interior.
The first fastening bolt, the press of the first fastening bolt are screwed in the first conductive insertion tube in one of the embodiments,
On a pin of capacitor；It is screwed with the second fastening bolt in second conductive insertion tube, the second fastening bolt presses against capacitor
On another pin.
Be equipped with conductive sleeve on the first busbar and the second busbar in one of the embodiments, the first end of conduct piece with
Conductive sleeve on first busbar is connected, and the second end of conduct piece is connected with the conductive sleeve on the second busbar.
Inserting groove, the first end and second end difference of conduct piece are provided on conductive sleeve in one of the embodiments,
It is plugged in the inserting groove of corresponding conductive sleeve.
The first busbar and the second busbar connect rubber sleeve, conduct piece by insulating bar in one of the embodiments,
First end pass through the first busbar on rubber sleeve after be connected with the conductive sleeve on the first busbar, the second end of conduct piece passes through
It is connected after rubber sleeve on second busbar with the conductive sleeve on the second busbar.
Insulating bar includes the first insulating bar and the second insulating bar in one of the embodiments, and rubber sleeve is located at corresponding exhausted
Between the first insulating bar and the second insulating bar of edge bar.
It is also connected between the first busbar and the second busbar in one of the embodiments, busbar structure to be fixed on
The connector of default installed position.
The middle part of connector is equipped with busbar structure is fixed on default installed position in one of the embodiments,
Through-hole, the both ends of connector are equipped with briquetting, and the briquetting of one end of connector is pressed on the first busbar, the briquetting of the other end
It is pressed on the second busbar.
The above-mentioned busbar structure for distribution system, including the first busbar, the second busbar and conduct piece, wherein first
Busbar and the second busbar are set in parallel, and the first end of conduct piece is electrically connected with the first busbar, the second end of conduct piece and second
Busbar electrical connection, and capacitor is electrically connected on conduct piece.It, can be by low-pressure direct each in low-voltage direct-current system by the busbar structure
Galvanic electricity source interconnection is got up, and realizes that the power between low-voltage dc power supply mutually helps, i.e., each low-voltage dc power supply can be to local negative
Power supply is carried, and may be coupled to bus, the utilization rate of DC converter in low-voltage dc power supply is improved, efficiently solves because low
The low problem of DC converter utilization rate caused by the payload size of each low-voltage dc power supply is different in straightening streaming system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in one embodiment for the busbar structure of distribution system；
Fig. 2 is to pass through interface circuit in one embodiment for the structural schematic diagram of multiple low-voltage DC source interconnections；
Fig. 3 is the structural representation connecting for capacitor in the busbar structure of distribution system with conduct piece in one embodiment
Figure；
Fig. 4 is the structural schematic diagram in another embodiment for the busbar structure of distribution system；
Fig. 5 is shown in Fig. 4 for the enlarged diagram at location A in the busbar structure of distribution system；
Fig. 6 is the structural schematic diagram in another embodiment for the busbar structure of distribution system；
Fig. 7 is the structural schematic diagram in one embodiment for connector in the busbar structure of distribution system.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of above embodiments can be with
Arbitrarily combined, for simplicity of description, it is not all possible to each technical characteristic in above-described embodiment combination all into
Row description, as long as all should be considered as described in this specification however, there is no contradiction in the combination of these technical features.
Fig. 1 is the structural schematic diagram in one embodiment for the busbar structure of distribution system.As shown in Figure 1, for matching
The busbar structure of electric system includes: the first busbar 11, the second busbar 12 and conduct piece 20, wherein the first busbar 11 and second is female
Row 12 is set in parallel, and the first end of conduct piece 20 is electrically connected with the first busbar 11, the second end of conduct piece 20 and the second busbar
12 electrical connections, and capacitor 30 is electrically connected on conduct piece 20.
Specifically, the first busbar 11 and the second busbar 12 can be copper bus-bar or aluminium bus array etc., the first busbar 11 and second
About 12 busbar is parallel-laid into presence.One or more conduct pieces 20 can be connected between first busbar 11 and the second busbar 12,
When being connected with multiple conduct pieces 20 between the first busbar 11 and the second busbar 12, equally set between multiple conduct pieces 20
It sets, for example, multiple conduct pieces 20 are equidistantly arranged in parallel vertically from left to right, conduct piece 20 can be conductive bar or conducting rod etc..
It is also electrically connected with capacitor 30 on each conduct piece 20, for example, it is electrically connected a capacitor 30 in the middle position of each conduct piece 20,
To form a busbar structure.Low-voltage DC source interconnection each in low-voltage direct-current system is got up by the busbar structure,
It realizes that the power between low-voltage dc power supply mutually helps, improves the utilization rate of DC converter in low-voltage dc power supply.
In practical applications, the busbar structure of the present embodiment can will be multiple low in low-voltage direct-current system by interface circuit
Straightening galvanic electricity source interconnection is got up, wherein interface circuit may include semibridge system interface circuit, Buck type interface circuit and Boost
Type interface circuit etc., specifically refers to shown in Fig. 2.When being interconnected by interface circuit, the first input end of interface circuit
It is respectively connected to low-voltage dc power supply with the second input terminal, the first output end and second output terminal of interface circuit are respectively connected to
Busbar structure gets up multiple low-voltage DC source interconnections, realizes that the power between low-voltage dc power supply mutually helps, i.e., each low
Pressure DC power supply can give local load supplying and be connected to bus by interface circuit, for example, the function that ought locally load
When rate is less than rated value, the output voltage of control interface is certain value；When the power locally loaded is greater than rated value, control
The output voltage of interface circuit processed reduces, so that it obtains power from DC master row, to improve in low-voltage dc power supply
The utilization rate of DC converter.Meanwhile when interface circuit work is under high frequency state, due to the first busbar 11 and the second busbar
Distributed inductance can be generated on 12, and the capacitor 30 on distributed inductance and conduct piece 20 can constitute low-pass filter, so as to
High-frequency Interference on interface circuit switching device is filtered out, is effectively avoided additionally increasing inductance and capacitor to realize filter function,
The volume of entire low-voltage direct-current system is effectively reduced, is reduced costs simultaneously.
In one embodiment, as shown in figure 3, conduct piece 20 is equipped with cavity 21, two pins of capacitor 30 are plugged on
It in cavity 21, and is isolated between two pins of capacitor 30 by collets 22, collets 22 are arranged 21 in cavity.
Specifically, cavity 21 can be set on conduct piece 20 according to the spacing between two pins of capacitor 30, and according to electricity
Hold 30 two pins between line space design collets 22 size, the collets 22 be arranged in capacitor 30 two pins it
Between, other than insulating for two pins to capacitor 30, also act as the effect of fixed support.Assembly when, can first by
Collets 22 are placed between two pins of capacitor 30, and then two pins of capacitor 30 are plugged in cavity 21.
In one embodiment, the first conductive insertion tube 23 and the second conductive insertion tube 24, capacitor are also connected on conduct piece 20
30 pin is plugged in the first conductive insertion tube 23 after passing through cavity 21, another pin, which passes through, is plugged on the after cavity 21
In two conductive insertion tubes 24.Further, in one embodiment, it is screwed with the first fastening bolt 25 in the first conductive insertion tube 23,
First fastening bolt 25 presses against on a pin of capacitor 30；It is screwed with the second fastening bolt 26 in second conductive insertion tube 24,
Second fastening bolt 26 presses against on another pin of capacitor 30.
Specifically, refering to what is shown in Fig. 3, the first conductive insertion tube 23 can be arranged on the conduct piece 20 in 22 left side of collets, and
The conductive insertion tube 23 of setting second on the conduct piece 20 on 22 right side of collets can be incited somebody to action when capacitor 30 is connected with conduct piece 20
One pin of capacitor 30 passes through cavity 21 and is plugged in the first conductive insertion tube 23, and another pin of capacitor 30 is passed through sky
Chamber 21 is plugged in the second conductive insertion tube 23, capacitor 30 not only can be fixed, and can effectively avoid capacitor 30
Two pins be exposed to outer and Danger Electric shock risk occur.Further, it is tight to be also screwed with first for the bottom end of the first conductive insertion tube 23
The bottom end of fixing bolt 25, the second conductive insertion tube 24 is also screwed with the second fastening bolt 26, by the first fastening bolt 25 to capacitor
30 pin is pressed, and is pressed by another pin of the second fastening screw 26 to capacitor 30, will be electric
Two pins of appearance 30 are separately fixed in corresponding conductive insertion tube.In this way, by the way that two pins of capacitor are plugged on conduction
In insertion tube, and be fixed and clamped by fastening bolt, without weld can be realized safety between capacitor 30 and conduct piece 20,
It is reliably connected, prevents in work or transportational process, since vibration etc. causes capacitor 30 to fall off from conduct piece 20, while facilitating again
The dismounting of capacitor 30, to facilitate the replacement of capacitor 30, and disassembling operations are simple.
In one embodiment, conductive as shown in figure 4, being equipped with conductive sleeve 40 on the first busbar 11 and the second busbar 12
The first end of part 20 is connected with the conductive sleeve 40 on the first busbar 11, the second end of conduct piece 20 and leading on the second busbar 12
Electricity set 40 is connected.Further, in one embodiment, it as shown in figure 5, being provided with inserting groove 41 on conductive sleeve 40, leads
The first end and second end of electric part 20 is plugged on respectively in the inserting groove 41 of corresponding conductive sleeve 40.
Specifically, with reference to shown in Fig. 4 and Fig. 5, in the side of the first busbar 11 and the second busbar 12 that conduct piece 20 is joined
Wall may be provided with conductive sleeve 40, and inserting groove 41 is provided on conductive sleeve 40, and the both ends of conduct piece 20 are plugged on respectively accordingly leads
In the inserting groove 41 of electricity set 40, to realize being bonded for conduct piece 20 and two busbars, while facilitating conduct piece 20 and two again
The fractionation of a busbar, is conducive to replacement of element.That is, by the way that conduct piece 20 to be flexibly connected with conductive sleeve 40, it can be square
Just two busbars are dismounted with conduct piece 20, to facilitate the replacement of conduct piece or busbar.
In one embodiment, as shown in figure 5, the first busbar 11 and the second busbar 12 are connected with rubber by insulating bar 50
Gum cover 60, the first end of conduct piece 20 pass through after the rubber sleeve 60 on the first busbar 11 with 40 phase of conductive sleeve on the first busbar 11
Connection, the second end of conduct piece 20 are connected after passing through the rubber sleeve 60 on the second busbar 12 with the conductive sleeve 40 on the second busbar 12
It connects.
Specifically, refering to what is shown in Fig. 5, the side wall of the first busbar 11 and the second busbar 12 that conduct piece 20 is joined can pass through
Rubber sleeve 60 is fixedly installed in insulating bar 50, and the both ends port diameter of rubber sleeve 60 is greater than its bosom diameter, conduct piece
20 both ends may pass through rubber sleeve 60 and be plugged in the inserting groove 41 of corresponding conductive sleeve 40, and conduct piece 20 and two busbars is facilitated to protect
It keeps steady and is solidly connected.
In one embodiment, refering to what is shown in Fig. 5, insulating bar 50 includes the first insulating bar and the second insulating bar, rubber sleeve
60 are located between the first insulating bar and the second insulating bar of corresponding insulating bar 50.For example, the first insulating bar and the second insulating bar are in
One end of bending state, one end of the first insulating bar and the second insulating bar is symmetrically fixed on the periphery of conductive sleeve 40, rubber sleeve 60
It is fixed between the other end of the first insulating bar and the other end of the second insulating bar, conduct piece 20 is plugged on across rubber sleeve 60 and leads
In the inserting groove 41 of electricity set 40.
In one embodiment, as shown in fig. 6, being also connected between the first busbar 11 and the second busbar 12 to by busbar
Structure is fixed on the connector 70 of default installed position.The connector 70 can be connection strap or connecting rod etc., and number can
Think one or more, it is preferable that the number of connector 70 is two, when connector 70 includes two connectors 70, two
Connector 70 is located at the tip position of two busbars, and busbar structure is fixed on default installation by two connectors 70
At position, for example, busbar structure is fixed on the shell of relevant device by two connectors 70, to guarantee fixed stabilization
Property.
In one embodiment, as shown in fig. 7, the middle part of connector 70 is equipped with busbar structure is fixed on default peace
Through-hole 71 at holding position, the both ends of connector 70 are equipped with briquetting 72, and the briquetting 72 of one end of connector 70 is pressed on first
On busbar 11, the briquetting 72 of the other end is pressed on the second busbar 12.Further, snapping groove is provided on briquetting 72
721, during installation, the first busbar 11 is received in the snapping groove 721 of the briquetting 72 of 70 one end of connector, the second busbar
12 are received in the snapping groove 721 of the briquetting 72 of 70 other end of connector.
Specifically, a connector 70 can be vertically arranged respectively between two busbar ends, and in the connector 70
Between offer a through-hole 71 (such as screw hole) at position, and two ends of connector 70 are fixedly installed briquetting 72 respectively,
And the side of 72 face busbar of briquetting is provided with snapping groove 721.When busbar structure is fixed on the shell of relevant device,
The snapping groove 721 of briquetting 72 first can be directed at busbar, two parallel up and down busbars are pressed on correlation by briquetting 72
On the shell of equipment, then pass through in through-hole 71 connecting screw to the shell of relevant device, so that busbar structure is fixedly mounted.
Wherein, snapping groove 721 can be trapezoidal groove, in order to clamping busbar, prevent busbar structure deviation from falling off.
The above-mentioned busbar structure for distribution system can play low-voltage DC source interconnection each in low-voltage direct-current system
Come, realize that the power between low-voltage dc power supply mutually helps, i.e., each low-voltage dc power supply can to local load supplying and with
It is connected to bus, the utilization rate of DC converter in low-voltage dc power supply is improved, efficiently solves because in low-voltage direct-current system
The low problem of DC converter utilization rate caused by the payload size of each low-voltage dc power supply is different.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.The utility model is several above described embodiment only expresses
Embodiment, the description thereof is more specific and detailed, and but it cannot be understood as the limitations to utility model patent range.It answers
It, without departing from the concept of the premise utility, can be with when, it is noted that for those of ordinary skill in the art
Several modifications and improvements are made, these are all within the protection scope of the present invention.Therefore, the protection model of the utility model patent
Enclosing should be determined by the appended claims.
Claims (10)
1. a kind of busbar structure for distribution system, which is characterized in that the busbar structure includes:
The first busbar and the second busbar being set in parallel；
Conduct piece, the first end of the conduct piece are electrically connected with first busbar, the second end of the conduct piece and described the
The electrical connection of two busbars, and capacitor is electrically connected on the conduct piece.
2. busbar structure according to claim 1, which is characterized in that the conduct piece is equipped with cavity, the capacitor
Two pins are plugged in the cavity, and are isolated between two pins of the capacitor by collets, the collets
It is arranged in the cavity.
3. busbar structure according to claim 2, which is characterized in that be also connected with the first conductive insertion tube on the conduct piece
With the second conductive insertion tube, a pin of the capacitor is plugged in the described first conductive insertion tube after passing through the cavity, another
A pin is plugged in the described second conductive insertion tube after passing through the cavity.
4. busbar structure according to claim 3, which is characterized in that be screwed with the first fastening in the described first conductive insertion tube
Bolt, first fastening bolt press against on a pin of the capacitor；Second is screwed in described second conductive insertion tube
Fastening bolt, second fastening bolt press against on another pin of the capacitor.
5. busbar structure according to claim 1, which is characterized in that be all provided on first busbar and second busbar
There is conductive sleeve, the first end of the conduct piece is connected with the conductive sleeve on first busbar, the second end of the conduct piece
It is connected with the conductive sleeve on second busbar.
6. busbar structure according to claim 5, which is characterized in that inserting groove is provided on the conductive sleeve, it is described
The first end and second end of conduct piece is plugged on respectively in the inserting groove of corresponding conductive sleeve.
7. busbar structure according to claim 5, which is characterized in that first busbar and second busbar pass through
Insulating bar connects rubber sleeve, and the first end of the conduct piece passes through after the rubber sleeve on first busbar with described the
The conductive sleeve on one busbar is connected, after the second end of the conduct piece passes through the rubber sleeve on second busbar
It is connected with the conductive sleeve on second busbar.
8. busbar structure according to claim 7, which is characterized in that the insulating bar includes that the first insulating bar and second are exhausted
Edge bar, the rubber sleeve are located between first insulating bar and second insulating bar of corresponding insulating bar.
9. busbar structure according to claim 1, which is characterized in that between first busbar and second busbar also
It is connected with the connector the busbar structure to be fixed on to default installed position.
10. busbar structure according to claim 9, which is characterized in that the middle part of the connector is equipped with to will be described
Busbar structure is fixed on the through-hole of the default installed position, and the both ends of the connector are equipped with briquetting, the connector
The briquetting of one end be pressed on first busbar, the briquetting of the other end is pressed on second busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360928.9U CN209402157U (en) | 2019-03-20 | 2019-03-20 | Busbar structure for power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360928.9U CN209402157U (en) | 2019-03-20 | 2019-03-20 | Busbar structure for power distribution system |
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| Publication Number | Publication Date |
|---|---|
| CN209402157U true CN209402157U (en) | 2019-09-17 |
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ID=67899862
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| CN201920360928.9U Active CN209402157U (en) | 2019-03-20 | 2019-03-20 | Busbar structure for power distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830951A (en) * | 2019-03-20 | 2019-05-31 | 深圳供电局有限公司 | Busbar structure for power distribution system |
| JP7509891B2 (en) | 2020-08-19 | 2024-07-02 | 日立Astemo株式会社 | EMC filter and power conversion device |
-
2019
- 2019-03-20 CN CN201920360928.9U patent/CN209402157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830951A (en) * | 2019-03-20 | 2019-05-31 | 深圳供电局有限公司 | Busbar structure for power distribution system |
| JP7509891B2 (en) | 2020-08-19 | 2024-07-02 | 日立Astemo株式会社 | EMC filter and power conversion device |
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