High-protection bus duct

By designing plug-in protection components on the busbar trough, and using the cooperation of the seal and the flip cover, the protection problem at the connection between the busbar trough and the plug-in box is solved, achieving high protection performance and convenient installation and maintenance of the busbar trough.

CN223285551UActive Publication Date: 2025-08-29ZHEJIANG YIDING BUSBAR CABLE TRAY CO LTD
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Patent Information

Application Number
CN202422690950.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-08-29
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

There is a gap at the connection between the existing bus duct and the plug-in box, which causes external water vapor and impurities to enter, affect the conductivity and may lead to phase-to-phase short connection, and there is a risk of power distribution accidents.

Method used

A high-protective busbar trough is designed, and the plug protection components are made of a bottom plate, seal, press plate, flip cover and fastener. They are connected to the plug window through a snap structure. The seal consists of a base and a lifting part. When the flip is closed, it is fitted with the seal and when it is opened, it is fitted with the plug box to ensure that the electrical connection position is isolated from the external environment.

Benefits of technology

It effectively prevents dust and moisture from entering the inside of the bus duct, improves the protection level of the bus duct, ensures the stability and safety of the electrical connection, and is easy to install and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high protection bus duct, which comprises a bus duct frame and a conductive copper bar, the side surface of the bus duct frame is provided with a plugging window, the conductive copper bar is provided with an external connection part close to the plugging window, the plugging window is provided with a plugging protection assembly, and the plugging protection assembly comprises a bottom plate, a sealing member, a pressing plate, a flip cover and a fastener which are arranged in sequence. The bottom plate is connected into the plug-in window through a buckle structure, a plug-in opening is formed in the bottom plate, the external connection part extends into the plug-in opening, the sealing piece comprises a base part and a lifting part, the fastening piece sequentially penetrates through the pressing plate and the base part to be connected to the bottom plate, the lifting part penetrates through the pressing plate to extend towards one side of the turning cover, and the turning cover is hinged to the bottom plate. And the lifting part is attached to the turning cover. According to the bus duct provided by the utility model, the sealing element is positioned by utilizing the matching relationship between the pressing plate and the base part, and the protection performance of the bus duct can be improved when the flip cover is opened and closed through the lifting part extending outwards, so that the protection grade of the bus duct is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of power transmission and distribution, in particular to a high-protection bus duct. Background Art

[0002] With the rapid development of cities, there are more and more high-rise buildings, and the electricity load of buildings has increased dramatically. The original wires and cables have been gradually replaced by bus ducts with large capacity, convenient branching and convenient bundling management due to their small capacity, inconvenient branching and inconvenient bundling management.

[0003] In the prior art, a plug-in device is required to draw power from busbar branches. The power is drawn from the busbar to the power consumption scene through the plug-in interface on the busbar and the busbar plug-in box used in conjunction with the busbar. For example, the installation structure of the busbar and the plug-in box disclosed in the Chinese patent publication number CN217486122U directly connects the plug-in plate of the plug-in box to the plug-in interface of the busbar. There is a gap at the connection between the busbar and the plug-in box, which makes it easy for external moisture and impurities to enter the busbar or the connection end, affecting the conductive performance of the power connection. If a large amount of moisture and impurities enter the busbar, it is easy to cause a phase short circuit in this section of the busbar, which can easily lead to serious power distribution accidents. Summary of the Invention

[0004] In order to solve the above problems, the technical solution provided by the present invention is as follows:

[0005] A high-protection bus duct comprises a bus duct frame and several conductive copper bars arranged in the bus duct frame, wherein both ends of the conductive copper bars extend to the outside of the bus duct frame to form a connection portion, a plug-in window is provided on the side of the bus duct frame, an external connection portion is provided at a position of the conductive copper bar near the plug-in window, a plug-in protection component is provided on the plug-in window, the plug-in protection component comprises a bottom plate, a seal, a pressure plate, a flip cover and a fastener which are arranged in sequence, the bottom plate is connected to the plug-in window through a snap-fit ​​structure, a plug-in interface is provided on the bottom plate, the external connection portion extends into the plug-in interface, the seal comprises a base and a lifting portion, the fastener passes through the pressure plate and the base in sequence and is connected to the bottom plate, the lifting portion passes through the pressure plate and extends to one side of the flip cover, the flip cover is hinged on the bottom plate, and when the flip cover is in a closed state, the lifting portion fits the flip cover.

[0006] The utility model is further configured such that a first opening is opened on the sealing member, the base and the lifting portion are arranged around the first opening, the size of the lifting portion is smaller than the size of the base, a second opening is opened on the pressure plate, the lifting portion passes through the second opening, and the pressure plate is connected to the base.

[0007] The utility model is further configured such that a first positioning hole is opened on the base, a second positioning hole is opened on the pressure plate, and a third positioning hole is opened on the bottom plate, and the fastener passes through the second positioning hole, the first positioning hole and the third positioning hole in sequence.

[0008] The utility model is further configured such that the second opening is adapted to the lifting portion.

[0009] The utility model is further configured such that the first opening and the second opening both cover all the plug-in ports on the bottom plate.

[0010] The utility model is further configured such that a rotating shaft is provided on one side of the bottom plate, a rotating arm is provided on one side of the flip cover, an axis hole is opened on the rotating arm, and the rotating shaft is connected in the axis hole.

[0011] The utility model is further configured such that a card slot is provided on the other side of the bottom plate, and a card block is provided on the inner wall of the other side of the flip cover. When the flip cover is in a closed state, the card block is connected to the card slot.

[0012] The utility model is further configured to have a plurality of hooks on the outer periphery of the back of the base plate, the hooks including a foot portion and a barb portion, one end of the foot portion is connected to the back of the base plate, and the other end of the foot portion is connected to the barb portion, the barb portion includes a positioning surface and an arc-shaped guide surface, when the base plate is connected to the bus duct frame, the positioning surface abuts against the outer edge of the plug-in window.

[0013] The utility model is further configured such that the sealing element is integrally formed and is made of rubber.

[0014] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0015] The plug-in protection assembly of the bus duct in this technical solution consists of a complete protection system consisting of a base plate, a seal, a pressure plate, a flap, and fasteners. The seal is positioned by the cooperation between the pressure plate and the base, and the outward-extending lifting portion ensures that the protection performance of the bus duct can be improved when the flap is opened or closed. The specific protection method is as follows:

[0016] When the flip cover is in a closed state, the lifting part fits with the flip cover to ensure that the plug interface is isolated from the external environment. When the flip cover is in an open state, the external plug-in box is electrically contacted with the external connection part through the plug-in part through the plug interface. At the same time, the lifting part fits with the bottom surface of the plug-in box, so that the electrical connection position is isolated from the external environment, preventing dust, moisture and other impurities in the external environment from entering the bus duct, thereby improving the protection level of the bus duct.

[0017] In this technical solution, the base plate of the plug-in protection assembly is connected to the plug-in window through a snap-on structure. This connection method is not only simple and quick, but also easy to disassemble and reinstall, thereby facilitating the installation and maintenance of the bus duct; the fasteners pass through the pressure plate and the base in turn and are connected to the base plate, ensuring the stability of the plug-in protection assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of a high-protection bus duct according to an embodiment of the utility model.

[0019] Figure 2 This is a three-dimensional diagram of the bus duct frame of an embodiment of the present utility model.

[0020] Figure 3 This is an exploded view of the high-protection bus duct of an embodiment of the utility model after the bus duct frame is removed.

[0021] Figure 4 This is an exploded view of the plug-in protection component of an embodiment of the present utility model.

[0022] Figure 5 This is a three-dimensional diagram of the bottom plate of an embodiment of the present utility model.

[0023] Figure 6 This is a partial schematic diagram of the bottom plate of an embodiment of the present utility model.

[0024] Figure 7 This is a three-dimensional diagram of the flip cover of an embodiment of the present utility model. DETAILED DESCRIPTION

[0025] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal communication between two components; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] Combined with attachment Figure 1 To the attached Figure 7The technical solution of the utility model is a high-protection bus duct, comprising a bus duct frame 1 and a plurality of conductive copper bars 2 arranged in the bus duct frame 1, the two ends of the conductive copper bars 2 respectively extending to the outside of the bus duct frame 1 to form a connecting portion 21, a plug-in window 11 is opened on the side of the bus duct frame 1, the conductive copper bars 2 are provided with an external connection portion 22 near the plug-in window 11, and a plug-in protection component is provided on the plug-in window 11, and the plug-in protection component includes a bottom plate 3, a seal 4, a pressure plate 5, a flip cover 6 and a fastener arranged in sequence. Part 7, the bottom plate 3 is connected to the plug-in window 11 through a snap-fit ​​structure, an insertion port 31 is provided on the bottom plate 3, the external connection portion 22 extends into the insertion port 31, the sealing member 4 includes a base portion 41 and a lifting portion 42, the fastener 7 passes through the pressure plate 5 and the base portion 41 in sequence and is connected to the bottom plate 3, the lifting portion 42 passes through the pressure plate 5 and extends to one side of the flip cover 6, the flip cover 6 is hinged to the bottom plate 3, and when the flip cover 6 is in a closed state, the lifting portion 42 fits against the flip cover 6.

[0029] In this embodiment, when the flip cover 6 is in a closed state, the lifting portion 42 fits against the flip cover 6, ensuring that the plug interface 31 is isolated from the external environment. When the flip cover 6 is in an open state, the external plug-in box is electrically contacted with the external connection portion 22 through the plug-in portion through the plug interface 31. At the same time, the lifting portion 42 fits against the bottom surface of the plug-in box, isolating the electrical connection position from the external environment, preventing dust, moisture and other impurities in the external environment from entering the bus duct, thereby improving the protection level of the bus duct.

[0030] In the above embodiment, as shown in the attached Figure 3 As shown, an insulating positioning block 8 is provided in the bus duct frame 1. The insulating positioning block 8 is located above or below the conductive copper bus 2. The insulating positioning block 8 is provided with a recess adapted to the conductive copper bus 2. The insulating positioning block 8 is used to position the conductive copper bus 2 so that each conductive copper bus 2 is parallel to each other.

[0031] In the above embodiment, the base portion 41 and the lifting portion 42 are arranged in layers.

[0032] In the above embodiment, the conductive copper busbars 2 include an A-phase conductive copper busbar, a B-phase conductive copper busbar, a C-phase conductive copper busbar, an N-phase conductive copper busbar, and a grounding conductive copper busbar.

[0033] In this embodiment, as shown in the attached Figure 4As shown, the sealing member 4 is provided with a first opening 43, the base portion 41 and the lifting portion 42 are arranged around the first opening 43, the size (length and width) of the lifting portion 42 is smaller than the size (length and width) of the base portion 41, the pressing plate 5 is provided with a second opening 51, the lifting portion 42 passes through the second opening 51, and the pressing plate 5 is connected to the base portion 41.

[0034] In this embodiment, a first positioning hole 44 is provided on the base portion 41, a second positioning hole 52 is provided on the pressure plate 5, and a third positioning hole 32 is provided on the bottom plate 3. The fastener 7 passes through the second positioning hole 52, the first positioning hole 44 and the third positioning hole 32 in sequence. The fastener 7 passes through the pressure plate 5 and the base portion 41 in sequence and is connected to the bottom plate 3, thereby ensuring the connection stability of the plug-in protective assembly.

[0035] In this embodiment, the second opening 51 is adapted to fit the lifting portion 42 .

[0036] In this embodiment, the first opening 43 and the second opening 51 both cover all the plug-in ports 31 on the bottom plate 3 , so that the plug-in portion of the external plug-in box is directly electrically connected to the external connection portion 22 .

[0037] In this embodiment, a rotating shaft 33 is provided on one side of the base plate 3, and a rotating arm 63 is provided on one side of the flip cover 6. The rotating arm 63 is provided with an axis hole 61, and the rotating shaft 33 is connected to the axis hole 61. The setting of the rotating arm 63 enables the flip cover 6 to form a yielding design. When the flip cover 6 is opened, it does not affect the connection of the external plug-in box.

[0038] In this embodiment, as shown in the attached Figure 5 and attached Figure 7 As shown, a card slot 34 is provided on the other side of the base plate 3, and a card block 62 is provided on the inner wall of the other side of the flip cover 6. When the flip cover 6 is in a closed state, the card block 62 is connected to the card slot 34. This structure is used to close and lock the flip cover 6 and the base plate 3.

[0039] In this embodiment, as shown in the attached Figure 6As shown, a plurality of hooks 35 are provided on the outer periphery of the back of the base plate 3, and the hooks 35 include a foot portion 351 and a hook portion 352. One end of the foot portion 351 is connected to the back of the base plate 3, and the other end of the foot portion 351 is connected to the hook portion 352. The hook portion 352 includes a positioning surface 3521 and an arc-shaped guide surface 3522. When the base plate 3 is connected to the bus duct frame 1, the positioning surface 3521 is against the outer edge of the plug-in window 11; the base plate 3 of the plug-in protection assembly is connected to the plug-in window 11 through a snap structure. This connection method is not only simple and fast, but also easy to disassemble and reinstall, thereby facilitating the installation and maintenance of the bus duct.

[0040] In this embodiment, the sealing member 4 is integrally formed and is made of rubber.

[0041] The plug-in protection assembly of the bus duct in the technical solution of this embodiment is composed of a complete protection system consisting of a base plate 3, a seal 4, a pressure plate 5, a flap 6 and a fastener 7. The seal 4 is positioned by utilizing the cooperation between the pressure plate 5 and the base portion 41, and the outward extending lifting portion 42 ensures that the protection performance of the bus duct can be improved when the flap 6 is opened and closed.

[0042] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the inventive purpose of the present invention, designs a structure and embodiment similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A high-protection bus duct, comprising a bus duct frame and a plurality of conductive copper bars arranged in the bus duct frame, wherein both ends of the conductive copper bars extend to the outside of the bus duct frame to form a connection portion, characterized in that: A plug-in window is provided on the side of the bus duct frame, and an external connection portion is provided at a position of the conductive copper busbar near the plug-in window. A plug-in protection assembly is provided on the plug-in window, and the plug-in protection assembly includes a base plate, a seal, a pressure plate, a flip cover and a fastener arranged in sequence. The base plate is connected to the plug-in window through a snap-fit ​​structure, and a plug interface is provided on the base plate. The external connection portion extends into the plug interface. The seal includes a base and a lifting portion. The fastener passes through the pressure plate and the base in sequence and is connected to the base plate. The lifting portion extends through the pressure plate to one side of the flip cover. The flip cover is hinged to the base plate. When the flip cover is in a closed state, the lifting portion fits against the flip cover.

2. A high protection bus duct according to claim 1, characterized in that: The sealing member is provided with a first opening, the base and the lifting portion are arranged around the first opening, the size of the lifting portion is smaller than the size of the base, the pressure plate is provided with a second opening, the lifting portion passes through the second opening, and the pressure plate is connected to the base.

3. The high protection bus duct according to claim 2, characterized in that: A first positioning hole is formed on the base, a second positioning hole is formed on the pressure plate, and a third positioning hole is formed on the bottom plate. The fastener passes through the second positioning hole, the first positioning hole, and the third positioning hole in sequence.

4. The high protection bus duct according to claim 2, characterized in that: The second opening is adapted to fit the raised portion.

5. The high protection bus duct according to claim 2, characterized in that: The first opening and the second opening both cover all the plug-in ports on the bottom plate.

6. A high protection bus duct according to any one of claims 1 to 5, characterized in that: A rotating shaft is provided on one side of the bottom plate, a rotating arm is provided on one side of the flip cover, an axis hole is opened on the rotating arm, and the rotating shaft is connected in the axis hole.

7. The high protection bus duct according to claim 6, characterized in that: A card slot is provided on the other side of the bottom plate, and a card block is provided on the inner wall of the other side of the flip cover. When the flip cover is in a closed state, the card block is connected to the card slot.

8. The high protection bus duct according to any one of claims 1 to 5, characterized in that: A plurality of hooks are provided on the outer periphery of the back of the base plate, and the hooks include a foot portion and a barb portion. One end of the foot portion is connected to the back of the base plate, and the other end of the foot portion is connected to the barb portion. The barb portion includes a positioning surface and an arc-shaped guide surface. When the base plate is connected to the bus duct frame, the positioning surface is against the outer edge of the plug-in window.

9. The high protection bus duct according to any one of claims 1 to 5, characterized in that: The sealing member is integrally formed and is made of rubber.

Citation Information

Patent Citations

  • Bus duct and jack box mounting structure and bus duct system

    CN217486122U