CN108847640B - High-power air bus duct - Google Patents
High-power air bus duct Download PDFInfo
- Publication number
- CN108847640B CN108847640B CN201810642919.9A CN201810642919A CN108847640B CN 108847640 B CN108847640 B CN 108847640B CN 201810642919 A CN201810642919 A CN 201810642919A CN 108847640 B CN108847640 B CN 108847640B
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- China
- Prior art keywords
- plate
- busbar
- wedge
- bus duct
- connecting plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Abstract
The invention discloses a high-power air type bus duct which comprises busbars and busbar joints, wherein each busbar joint comprises a pressing plate, a connecting plate, a wedge-shaped plate and an insulating partition plate arranged between the busbars, and two sides of each pressing plate are provided with conducting layers; the side part of the busbar is provided with busbar side teeth, the connecting plate is provided with ratchets, the ratchets are connected with the busbars in the same phase path through the busbar side teeth, the end part of the busbar is provided with a wedge surface, the wedge surface of a wedge plate is connected with the busbars in the same phase path, and the wedge angle of the wedge surface at the end part of the busbar is equal to that of the wedge plate; the clamp plate includes middle mutual articulated interior clamp plate and outer clamp plate, and the internal surface of interior clamp plate also is equipped with the conducting layer, and the both ends of outer clamp plate are equipped with the through-hole that is used for connecting bolt, and a pair of clamp plate of bolted connection is arranged for fixed insulation baffle and female arranging. The invention can lead the end part of the busbar to be conductive, the pressure plate can ensure that the pressure of the inner pressure plate on the busbar is uniform, the improvement of the conductive performance is facilitated, and the phenomenon of local overheating can be further avoided because the busbar is not provided with holes.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to a high-power air bus duct.
Background
With the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, particularly, the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to on-site installation, construction and connection. The plug-in bus duct is a novel distribution wire which is produced by the following steps,
compared with the traditional cable, the bus duct fully shows the superiority during heavy current transmission, simultaneously, because of adopting new technology and new process, the contact resistance and temperature rise at the connecting position of two end parts of the bus duct and the splicing position of the branching ports are greatly reduced, and high-quality insulating materials are used in the bus duct, thereby improving the safety and reliability of the bus duct and improving the whole system.
The air type insulated bus duct belongs to the relatively extensive one of the bus duct, is equipped with the through-hole in the middle of the female row junction of intensive air insulation bus duct, when a plurality of bus ducts are connected, adopts the bolt to be connected with the mode of arranging the baffle, is the insulating layer in the middle of the baffle, plays insulating effect, and two female row of baffle are connected the face and are the conducting layer for switch on corresponding looks way, main following defect that exists when adopting this kind of mode to connect: firstly, the conduction of the mutually connected phase paths is realized by the conductive layers of the partition plates at the two sides, the end parts of the phase paths are not connected, and the conductive performance of the conductive layers cannot reach the conductive performance of the busbar; secondly, the connecting part of the busbar is provided with a bolt hole, so that the strength of the busbar is reduced on the one hand, and the conductivity of the busbar is influenced to a certain extent on the other hand, when the current is too large, the heating of the connecting part can be serious, and in conclusion, the joint of the existing bus duct becomes an important factor for restricting the transmission power of the bus duct, so that a high-power air bus duct joint which does not influence the overall strength of the bus duct and can further improve the conductivity of the connecting part of the bus duct is urgently needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a high-power air type bus duct, which solves the technical problem that the transmission power of the bus duct is limited due to serious heating of a joint in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a high-power air type bus duct comprises busbars and busbar joints, wherein each busbar joint comprises a pressing plate, a connecting plate, a wedge-shaped plate and an insulating partition plate arranged between the busbars, and two sides of each pressing plate are provided with conducting layers;
the side part of the busbar is provided with busbar side teeth, the connecting plate is provided with ratchets, the ratchets are connected with the busbars in the same phase path through the busbar side teeth, the end part of the busbar is provided with a wedge surface, the wedge surface of a wedge plate is connected with the busbars in the same phase path, and the wedge angle of the wedge surface at the end part of the busbar is equal to that of the wedge plate;
the clamp plate includes middle mutual articulated interior clamp plate and outer clamp plate, and the internal surface of interior clamp plate also is equipped with the conducting layer, and the both ends of outer clamp plate are equipped with the through-hole that is used for connecting bolt, and a pair of clamp plate of bolted connection is arranged for fixed insulation baffle and female arranging.
According to the high-power air bus duct, the two ends of the inner pressing plate are provided with the inner pressing plate extending portions, the two ends of the insulating partition plate are provided with the insulating partition plate extending sections, and the inner pressing plate extending portions and the insulating partition plate extending sections are clamped with the connecting plate.
The connecting plate comprises a first connecting plate and a second connecting plate, and the first connecting plate is connected with the wider end of the wedge-shaped plate.
According to the high-power air bus duct, the busbar connecting surface of the first connecting plate is further provided with the elastic sheet, and the elastic sheet is connected with the wedge-shaped plate.
In the high-power air-type bus duct, the angle a of the wedge surface at the end of the bus bar is 5-15 degrees.
In the high-power air-type bus duct, the angle a of the wedge surface at the end of the bus bar is 8 degrees.
The conducting layer and the connecting plate of the high-power air bus duct are made of copper alloy.
The invention achieves the following beneficial effects:
1. the wedge-shaped plate can be better attached to the end part of the busbar, and compared with the prior art, the wedge-shaped plate can enable the end part of the busbar to be conductive;
2. after clamp plate, insulating barrier and female connection of arranging are accomplished, through the both ends of bolted connection outer clamp plate, then the fastening can, because the middle part of outer clamp plate and interior clamp plate is articulated to articulated portion between them is outside protruding, plays the effect of strengthening rib, even the pulling force of two upper and lower bolts is different, also can guarantee that interior clamp plate is even to female pressure of arranging, does benefit to and promotes its electric conductive property.
3. Adopt this embodiment can avoid trompil on female arranging to make female terminal surface and the lateral part of arranging all have better electric conductive property, prevent the phenomenon of local overheat that produces because the heavy current, the electric conductive property of promotion bus duct that can be by a relatively large margin.
Drawings
FIG. 1 is a sectional view of a disassembled busbar joint according to the present invention;
FIG. 2 is a front view of the busbar joint and busbar connection of the present invention;
FIG. 3 is a front view of the platen of the present invention;
FIG. 4 is a side view of a busbar of the present invention;
FIG. 5 is a cross-sectional view of the busbar joint and busbar connection of the present invention;
the meaning of the reference numerals: 1-bus bar; 11-bus bar side teeth; 2-pressing a plate; 3-an insulating spacer; 31-an insulating spacer extension; 4-a conductive layer; 5-a first connection plate; 51-a ratchet; 52-a spring plate; 6-bolt; 7-a wedge plate; 8-a second connecting plate; 11-bus bar end teeth; 21-an inner pressure plate; 22-outer press plate; 211-inner platen extension.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1: a high-power air type bus duct comprises a bus bar 1 and a bus bar joint for connecting the bus bar 1, wherein the bus bar joint comprises a pressing plate 2, a connecting plate, a wedge-shaped plate 7 and an insulating partition plate 3 arranged between the bus bars 1, and two sides of the pressing plate 2 are provided with conducting layers 4;
as shown in fig. 2: the lateral part of the busbar 1 is provided with busbar side teeth 11, the connecting plate is provided with ratchets 51, the ratchets 51 are connected with the busbar 1 with the same phase path (same electrode) through the busbar side teeth 11, the end part of the busbar 1 is provided with a wedge surface, the wedge surface of a wedge plate 7 is connected with the busbar 1 with the same phase path, and in order to enable the end part of the busbar 1 to be better attached with the wedge surface of the wedge plate 7, the wedge angle of the wedge surface at the end part of the busbar 1 is equal to the wedge angle of the wedge plate. The connecting plate of this embodiment includes first connecting plate 5 and second connecting plate 8, and the wider end of wedge plate 7 is connected to first connecting plate 5, in order to make first connecting plate 5 can push down wedge plate 7, prevents that wedge plate 7 is not hard up in arranging 1 from two relative, and the preferred female 1 of arranging of first connecting plate 5 is connected the face and is equipped with shell fragment 52, when female the arranging 1 of first connecting plate 5 joint, shell fragment 52 pushes down wedge plate 7 through elasticity.
As shown in fig. 3: pressing plate 2 includes middle mutual articulated interior clamp plate 21 and outer clamp plate 22, in order to further promote electric conductive property, the internal surface of interior clamp plate 21 also is equipped with conducting layer 4, the both ends of outer clamp plate 22 are equipped with the through-hole that is used for connecting bolt 6, a pair of clamp plate 2 of bolt 6 connection for fixed insulating barrier 3 and female arranging 1, the both ends of interior clamp plate 21 are equipped with interior clamp plate extension 211, the both ends of insulating barrier 3 are equipped with insulating barrier extension 31, interior clamp plate extension 211 and insulating barrier extension 31 joint connecting plate.
As shown in fig. 4: the angle A of the wedge surface at the end part of the busbar 1 is 5-15 degrees, and the optimal angle is 8 degrees. The conductive layer 4 and the connecting plate are preferably made of copper alloy having excellent conductivity.
As shown in fig. 5: when female arranging 1 of the same looks way of female joint connection through arranging, earlier arrange 1 terminal surface of female row that needs to connect and relatively place, then insert wedge plate 7 to take between the female tip of arranging of connection, because make with the error in the assembly, can lead to the female distance between 1 of arranging that needs to connect unfixed, so, the length of wedge plate 7 of this embodiment need be greater than female width (wedge angle) of arranging 1, when the installation is cut according to actual needs, final cutting length approximately equals to arrange 1 width can. When the wedge-shaped plate 7 is inserted between the busbars 1 to be connected after being cut, the ratchet teeth 51 of the first connecting plate 5 and the second connecting plate 8 are connected with the busbar side teeth 11 of the busbar 1. During connection, the elastic sheet 52 can also complete the compression of the wedge-shaped plate 7, after the connection of the two connecting plates is completed, the connecting pressing plate 2, the insulating partition plate 3 and the busbar 1 are connected, the insulating partition plate extension section 31 and the inner pressing plate extension part 211 can press the two connecting plates, the mutually meshed ratchet 51 is prevented from being separated from the busbar side teeth 11, and meanwhile, the wedge-shaped plate 7 can also be compressed, so that the end part of the busbar 1 can be better attached. After clamp plate 2, insulating barrier 3 and female 1 of arranging are connected and are accomplished, through the both ends of 6 connection outer clamp plates 22 of bolt, then the fastening can, because outer clamp plate 22 is articulated with the middle part of interior clamp plate 21 to articulated portion between them is outside protruding, plays the effect of strengthening rib, even two bolt 6's pulling force about the top and bottom is different, also can guarantee that interior clamp plate 21 is even to female pressure of arranging 1, does benefit to and promotes its electric conductive property.
Adopt this embodiment can avoid trompil on female arranging 1 to make female terminal surface and the lateral part of arranging 1 all have better electric conductive property, prevent the phenomenon of local overheat that produces because the heavy current, the electric conductive property of promotion bus duct that can be by a relatively large margin.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-power air type bus duct, includes female (1), female joint of arranging and sets up insulating barrier (3) between female arranging (1), its characterized in that: the bus bar joint comprises a pressing plate (2), a connecting plate and a wedge-shaped plate (7), wherein two surfaces of the pressing plate (2) are provided with conducting layers (4);
the lateral part of the busbar (1) is provided with busbar side teeth (11), the connecting plate is provided with ratchets (51), the ratchets (51) are connected with the busbars (1) in the same phase path through the busbar side teeth (11), the end part of the busbar (1) is provided with a wedge surface, the wedge surface of the wedge plate (7) is connected with the busbars (1) in the same phase path, and the wedge angle of the wedge surface at the end part of the busbar (1) is equal to that of the wedge plate (7);
the pressing plate (2) comprises an inner pressing plate (21) and an outer pressing plate (22) which are hinged to each other in the middle, a conducting layer (4) is also arranged on the inner surface of the inner pressing plate (21), through holes for connecting bolts (6) are formed in the two ends of the outer pressing plate (22), and a pair of pressing plates (2) are connected through the bolts (6) and used for fixing the insulating partition plate (3) and the busbar (1).
2. The high power air bus duct of claim 1, wherein: the both ends of interior clamp plate (21) are equipped with interior clamp plate extension (211), the both ends of insulating barrier (3) are equipped with insulating barrier extension (31), interior clamp plate extension (211) and insulating barrier extension (31) joint connecting plate.
3. The high power air bus duct of claim 1, wherein: the connecting plate comprises a first connecting plate (5) and a second connecting plate (8), and the first connecting plate (5) is connected with the wider end of the wedge-shaped plate (7).
4. A high power air bus duct according to claim 3, wherein: the busbar (1) connecting surface of the first connecting plate (5) is also provided with an elastic sheet (52), and the elastic sheet (52) is connected with the wedge-shaped plate (7).
5. The high power air bus duct of claim 1, wherein: the angle A of the wedge surface at the end part of the busbar (1) is 5-15 degrees.
6. A high power air bus duct according to claim 1 or 5, wherein: the angle A of the wedge surface at the end part of the busbar (1) is 8 degrees.
7. The high power air bus duct of claim 1, wherein: the conducting layer (4) and the connecting plate are both made of copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642919.9A CN108847640B (en) | 2018-06-21 | 2018-06-21 | High-power air bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642919.9A CN108847640B (en) | 2018-06-21 | 2018-06-21 | High-power air bus duct |
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| Publication Number | Publication Date |
|---|---|
| CN108847640A CN108847640A (en) | 2018-11-20 |
| CN108847640B true CN108847640B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810642919.9A Active CN108847640B (en) | 2018-06-21 | 2018-06-21 | High-power air bus duct |
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| CN (1) | CN108847640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518421B (en) | 2019-08-26 | 2021-01-29 | 华为技术有限公司 | Bus duct connector and power supply equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013214118A1 (en) * | 2013-07-18 | 2015-01-22 | Siemens Aktiengesellschaft | Flange system and mounting method for a flange system |
| CN206041420U (en) * | 2016-08-16 | 2017-03-22 | 长沙亚明电子科技发展有限公司 | Dense -type bus duct |
| CN106451280A (en) * | 2016-08-30 | 2017-02-22 | 成都市翻鑫家科技有限公司 | Novel energy-saving bus duct |
| CN206148896U (en) * | 2016-11-02 | 2017-05-03 | 广东昊宇电气自动化设备有限公司 | Waterproof compact busway who takes cooling surface |
| CN108258633B (en) * | 2017-04-10 | 2019-12-24 | 泉州睿郎机电技术有限公司 | Pneumatic motor type electric bus bar connecting tool |
| CN207021634U (en) * | 2017-06-13 | 2018-02-16 | 信一电力设备有限公司 | Air type enclosed busbar groove |
| CN107681589A (en) * | 2017-09-26 | 2018-02-09 | 王伟民 | A kind of Novel bus duct attachment structure |
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2018
- 2018-06-21 CN CN201810642919.9A patent/CN108847640B/en active Active
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| CN108847640A (en) | 2018-11-20 |
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