CN221552775U - High-current bus device - Google Patents

Abstract

The utility model discloses a high-current bus device, and belongs to the technical field of high-current electric technology. The high-current bus device comprises three wire outlets connected with three contact box conductors, each wire outlet is connected with a bus, each bus is connected with a parallel wire end, each parallel wire end is connected with a cable, and the three parallel wire ends are oriented differently so as to lay the cable in different directions; the three parallel wires are respectively directed forwards, backwards and upwards so that the cables connected by the three parallel wires do not interfere with each other; the specifications of each busbar are the same so that the three parallel wires can be used interchangeably. The utility model is convenient for cable installation, saves space, reduces cost, and three parallel wires can be used interchangeably, replaces the traditional bus heat shrinkage tube and the cover box by externally coating epoxy resin, avoids the generation of condensation, improves the sealing performance, saves materials and reduces cost.

Description

High-current bus device

Technical Field

The utility model belongs to the technical field of high-current electric technology, and particularly relates to a high-current bus device.

Background

The bus refers to a common passage to which a plurality of devices are connected in parallel branches, and in an electric power system, the bus connects each current-carrying branch circuit in the power distribution device together to play a role in collecting, distributing and transmitting electric energy.

At present, three different rectangular round-edge buses are adopted in the KYN28A-12 bus-bar in the market, the connection directions are consistent, the three parallel wires are the same, the cables interfere with each other when the parallel wires are connected, the cables are difficult to arrange, the occupied space is large, the cost is high, and the later maintenance is inconvenient. The bus heat shrinkage pipe and the cover box on the existing bus device are easy to generate condensation, the tightness is poor, and the safety is low.

Therefore, there is a need to design a high-current bus bar device to solve the above-mentioned problems of difficult cable arrangement, high cost and poor sealing property of the bus bar device.

Disclosure of utility model

In order to solve the technical problems that the parallel terminal wiring cables of the bus device are mutually interfered, and the bus heat shrinkage tube and the cover box are easy to condense, the bus device with high current is provided, so that the problems that the cables of the bus device are difficult to arrange, the cost is high and the sealing performance is poor are solved.

In order to achieve the above purpose, the specific technical scheme of the high-current bus device of the utility model is as follows:

The utility model provides a bus device of heavy current, its characterized in that includes three line-out end of being connected with three contact box conductors, and every line-out end all is connected with a busbar, and every busbar all is connected with a parallel line end, and every parallel line end all supplies the cable to connect, and the orientation of three parallel line ends is different to lay the cable in different directions.

Further, the three parallel wires are directed forward, backward and upward, respectively, so that the cables connected by the three parallel wires do not interfere with each other.

Further, the specifications of each busbar are the same so that the three parallel wires can be used interchangeably.

Further, each parallel line end is provided with three cable interfaces, and the cable interfaces are connected with cables to set branch circuits.

Further, the cable interface is provided with a connector, the shape of the connector is a truncated cone, and the pipe diameter of the connector is gradually increased from the outer end to the inner end so as to be matched with the cable for connection.

Further, the inner end of the connector is provided with a limiting end face so as to limit the connected cable.

Further, the outlet terminal is spliced with the contact box conductor.

Further, a watchband contact finger is connected between the wire outlet end and the contact box conductor so as to conduct electricity.

Further, the exterior of the high-current bus bar device is coated with epoxy resin to seal and insulate.

Further, the contact box conductor is electrically connected with the circuit breaker to control the opening and closing of the current.

The high-current bus device has the following advantages: the parallel wires of the high-current bus device face forwards, backwards and upwards respectively, so that mutual interference among cables is avoided, the cables are convenient to install, the space is saved, and the cost is reduced; the three buses have the same specification, and the three parallel terminals can be used interchangeably.

According to the utility model, the traditional bus heat shrinkage tube and the cover box are replaced by coating epoxy resin outside the high-current bus device, so that the generation of condensation is avoided, the tightness is improved, the materials are saved, and the cost is reduced. The wire outlet end is electrically connected with the contact box conductor through the watchband contact finger, so that the conductive efficiency is improved, and the circuit loss power is reduced. The wire outlet end is arranged on the contact box conductor in a plug-in mode, so that the installation and the disassembly are convenient.

Drawings

FIG. 1 is a schematic diagram of the installation of a high current bus bar apparatus of the present utility model;

FIG. 2 is a cross-sectional view of a high current bus bar assembly of the present utility model;

Fig. 3 is a schematic diagram of the parallel line end of the present utility model.

The figure indicates: 1. a wire outlet end; 2. a contact box conductor; 3. a bus; 4. a parallel line end; 5. a cable interface; 6. watchband contact fingers; 7. an epoxy resin; 8. a circuit breaker; 9. a circuit breaker trolley; 501. a joint; 5011. and a limiting end surface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

The high-current bus bar apparatus of the present utility model will be described below with reference to fig. 1 to 3.

Most bus-bar cabinets in the current market adopt three different rectangular round-edge buses, the connection directions are consistent, the three parallel wires are identical in orientation, the cables are mutually interfered when the parallel wires are connected, the parallel wires are difficult to arrange, the occupied space is large, the cost is high, the later maintenance is inconvenient, and due to the fact that the bus-bar heat shrinkage tube and the cover box are arranged, condensation is easy to generate, the sealing performance is poor, and the safety is not guaranteed.

As shown in fig. 1 and 2, the high-current bus bar device of the present utility model includes three wire outlet ends 1 connected with three contact box conductors 2, each wire outlet end 1 is connected with one bus bar 3, each bus bar 3 is connected with one parallel wire end 4, each parallel wire end 4 is connected with a cable, and the three parallel wire ends 4 are oriented differently so as to lay the cable in different directions. By changing the direction of the parallel wire end 4 and changing the wire running direction of the wires connected to the parallel wire end 4, the layout of the wires is facilitated, the utilization rate of the space is improved, and the occupied volume of the space is reduced.

The three parallel wires 4 face forwards, backwards and upwards respectively, so that the cables connected by the three parallel wires 4 are not interfered with each other, the mutual intersection and extrusion between the cables are avoided, the safety of the device is improved, and the device is convenient for later maintenance.

The specification of each bus 3 is the same, so that three parallel wires 4 can be used interchangeably, compared with three different rectangular round-edge buses in the prior art, the bus is convenient to install, the universality of the parallel wires 4 is improved, and the production cost is reduced.

Each parallel terminal 4 is provided with three cable interfaces 5, and the cable interfaces 5 are connected with cables to provide branch circuits, so that electric energy transmission among current-carrying branch circuits is facilitated.

As shown in fig. 3, the cable connector 5 is provided with a connector 501, the connector 501 is in a truncated cone shape, and the pipe diameter of the connector 501 is gradually increased from the outer end to the inner end so as to be matched with the connection of cables; the connector 501 is provided with a limiting end face 5011, and the limiting end face 5011 is located at the inner end of the connector 501 to limit the connected cables. The cable can be connected to the cable interface 5 through the connector 501 quickly and accurately, so that the installation efficiency is improved.

The wire outlet end 1 is spliced with the contact box conductor 2, the wire outlet end 1 and the contact box conductor 2 are installed in a plug-in mode, the installation is convenient, and the later maintenance is time-saving and labor-saving.

The watchband contact finger 6 is connected between the wire outlet end 1 and the contact box conductor 2 to conduct electricity, and the watchband contact finger 6 is electrically connected with the contact box conductor 2, so that the conducting efficiency is improved, and the circuit loss power is reduced.

The connection part of the wire outlet end 1 and the contact box conductor 2 is provided with epoxy resin 7 for sealing, so that the tightness and the insulation performance of the connection part of the wire outlet end 1 and the contact box conductor 2 are ensured, the curing and forming are convenient, and the wire outlet end can be cured at room temperature and under contact pressure and can also be cured and formed under heating and pressurization.

Compared with the traditional bus heat shrinkage tube and the cover box, the high-current bus device is sealed and insulated by removing the two structures of the bus heat shrinkage tube and the cover box and sealing by using the epoxy resin 7, so that the generation of condensation is avoided, the sealing performance is improved, the materials are saved, and the cost is reduced.

The contact box conductor 2 is electrically connected with the circuit breaker 8 to control the opening and closing of the current and improve the safety of the device.

The connection part of the contact box conductor 2 and the circuit breaker 8 is provided with epoxy resin 7 for sealing, so that the tightness and insulativity of the connection part of the contact box conductor 2 and the circuit breaker 8 are ensured.

The circuit breaker 8 is electrically connected with the circuit breaker handcart 9, so that the reliability of the device is improved, and the maintenance and the overhaul are convenient.

The parallel wire end 4 of the high-current bus device is respectively forwards, backwards and upwards, so that mutual interference among cables is avoided, the cables are convenient to install, the space is saved, and the cost is reduced; the three bus bars 3 have the same specification, and the three parallel wires 4 can be used interchangeably.

According to the utility model, the traditional bus heat shrinkage tube and the cover box are replaced by the mode of coating the epoxy resin 7 outside the high-current bus device, so that the generation of condensation is avoided, the tightness is improved, the materials are saved, and the cost is reduced. The wire outlet end 1 is electrically connected with the contact box conductor 2 through the watchband contact finger 6, so that the conductive efficiency is improved, and the circuit loss power is reduced. The wire outlet end 1 is arranged on the contact box conductor 2 in a plug-in mode, so that the installation and the disassembly are convenient.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a bus device of heavy current, its characterized in that includes three line-out end of being connected with three contact box conductors, and every line-out end all is connected with a busbar, and every busbar all is connected with a parallel line end, and every parallel line end all supplies the cable to connect, and the orientation of three parallel line ends is different to lay the cable in different directions.

2. The high current bus bar assembly of claim 1, wherein the three parallel wires are directed forward, backward and upward, respectively, such that the cables connected by the three parallel wires do not interfere with each other.

3. The high current bus bar assembly of claim 1, wherein each bus bar is of the same gauge such that the three parallel terminals are used interchangeably.

4. The high current bus bar assembly of claim 1 wherein each of the parallel terminals is provided with three cable interfaces, the cable interfaces being connected to the cables to provide a branch circuit.

5. The high-current bus bar assembly according to claim 4, wherein the cable interface is provided with a connector in the shape of a truncated cone, and the diameter of the connector is gradually increased from the outer end to the inner end to match the connection of the cable.

6. The high-current bus bar assembly according to claim 5, wherein the inner end of the connector is provided with a limiting end surface for limiting the connected cable.

7. The high current bus bar assembly of claim 1, wherein the outlet terminal is spliced to the contact box conductor.

8. The high current bus bar assembly of claim 1, wherein a watchband contact finger is connected between the outlet terminal and the contact box conductor for electrical conduction.

9. The high current bus bar assembly of claim 1, wherein the high current bus bar assembly is externally coated with an epoxy resin to seal and insulate.

10. The high current bus bar assembly of claim 1, wherein the contact box conductors are electrically connected to the circuit breaker to control the opening and closing of the current.