CN218958268U - Bus joint capable of being detached at fixed point of power distribution cabinet - Google Patents
Bus joint capable of being detached at fixed point of power distribution cabinet Download PDFInfo
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- CN218958268U CN218958268U CN202222290482.1U CN202222290482U CN218958268U CN 218958268 U CN218958268 U CN 218958268U CN 202222290482 U CN202222290482 U CN 202222290482U CN 218958268 U CN218958268 U CN 218958268U
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Abstract
The utility model discloses a fixed-point detachable bus connector of a power distribution cabinet, which is connected to a plurality of wiring terminals on the same line on the power distribution cabinet, wherein the connecting bus connector is divided into a unidirectional connecting bus connector and a multidirectional connecting bus connector; the inner voltage equalizing layer adapter is arranged outside the conductive core at the joint, and insulation sealing treatment is carried out by using a bus connecting point insulation sealing device; the inner equalizing layer adapter is made of semi-conductive or conductive materials; the internal shape of the adapter is processed into a shape capable of tightly wrapping the conductive core at the position of the bus bar connecting point; the external treatment of the adapter is in a shape capable of tightly connecting with the voltage equalizing layer inside the bus bar connecting point insulating sealing device. The utility model can solve the technical problem that a gap exists between a voltage equalizing layer in the bus connecting point insulating sealing device of the bus of the traditional model and a bus conductive core at the bus connecting point position sealed and protected by the sealing device so as to cause discharge.
Description
Technical Field
The utility model relates to an improved technology of a bus connecting device for a power distribution cabinet.
Background
In the technical scheme of the fixed-point detachable bus joint (patent number: 201320213817.8) of the power distribution cabinet, because an obvious gap exists between a voltage equalizing layer inside an insulating sealing device of a bus connecting point and a bus conductive core at the bus connecting point sealed and protected by the sealing device, a large potential difference exists between the bus conductive core and the voltage equalizing layer inside the insulating sealing device of the bus connecting point during the electrifying operation of the bus with the structure, an obvious discharging phenomenon can occur, and generated electric arcs ablate peripheral equipment to cause equipment damage, so that serious harm can be caused to the safety of electric facilities.
Disclosure of Invention
The utility model aims to provide a bus joint capable of being detached at fixed points of a power distribution cabinet, which aims to solve the technical problem that a gap exists between a voltage equalizing layer inside a bus connecting point insulating sealing device of a traditional type bus and a bus conductive core at a bus connecting point position sealed and protected by the sealing device so as to cause discharge.
The utility model achieves the aim, and adopts the following technical scheme:
the utility model provides a bus joint that switch board can fixed point is dismantled, this bus joint is connected on the wiring end that is located on same line on the switch board a plurality of, the connection bus joint is according to the difference of wiring end quantity and range direction, divide into unidirectional connection bus joint and multidirectional connection bus joint; the unidirectional connection bus connector is positioned on a wiring end of the line end point, and the multidirectional connection bus connector is positioned on a wiring end of the line intermediate connection transition; one end of the unidirectional or multidirectional connecting bus joint is connected with the connecting device for the wiring terminal through a reserved wiring terminal interface, the other end of the unidirectional or multidirectional connecting bus joint is connected with a bus connecting point of an adjacent connecting bus joint through a bus connecting point by the connecting device, an inner equalizing layer adapter is arranged outside a conductive core at the joint, and an insulating sealing device for the bus connecting point is used for insulating sealing treatment;
the unidirectional connection bus connector comprises a conductive core and an insulating body; one end of the conductive core is processed into a structure suitable for being connected with the wiring terminal, and the other end is processed into a structure of a bus connection point; one end structure of the insulating body is suitable for being matched and connected with a wiring terminal on the power distribution cabinet, and the other end is formed into a structure matched with the bus connecting point insulating and sealing device;
the multidirectional connection bus connector comprises a conductive core and an insulating body, wherein the conductive core is of a structure which takes a wiring terminal connection point on a power distribution cabinet as a central divergence layout structure, one end of the conductive core in each direction is processed into a bus connection point structure, and the other end of the conductive core is processed into a structure which is suitable for being connected with the wiring terminal on the power distribution cabinet; one end structure of the insulating body is suitable for being matched and connected with a wiring terminal on the power distribution cabinet, and the other end is a corresponding divergent layout structure and is respectively formed into a structure matched with the bus connection point insulating sealing device;
the inner equalizing layer adapter is made of semi-conductive or conductive materials; the internal shape of the adapter is processed into a shape capable of tightly wrapping the conductive core at the position of the bus bar connecting point; the external treatment of the adapter is in a shape capable of being tightly connected with the voltage equalizing layer inside the bus connecting point insulating sealing device;
the bus connecting point insulating sealing device is of a cylindrical structure, two ends of the inside of the bus connecting point insulating sealing device are processed to be suitable for sleeving the bus connecting point insulating sealing device, and the middle of the inside of the bus connecting point insulating sealing device is processed to be suitable for wrapping the bus connecting point; the bus connecting point insulation sealing device is independently composed of an insulation layer, or an insulation layer and a voltage equalizing layer, or an insulation layer and a shielding layer, or a structure selected from the insulation layer, the voltage equalizing layer and the shielding layer.
The insulating body of the unidirectional connection bus connector and the multidirectional connection bus connector is independently composed of an insulating layer, or an insulating layer and a voltage equalizing layer, or an insulating layer and a shielding layer, or a structure selected from the insulating layer, the voltage equalizing layer and the shielding layer.
The connecting device for the bus connecting point adopts a bolt fastening structure or a plug structure or a compression joint structure.
The unidirectional connection bus connector and the multidirectional connection bus connector can be formed into an integrated structure and a split structure; in the integrated structure, in the insulating body of the bus connector, the terminal connecting point insulating sealing device part and the conductive core insulating sealing device part are formed into a whole and are wrapped outside the conductive core; in the split structure, in an insulating body of a bus connector, a bus connector and a wiring terminal are connected with an insulating sealing device part and a conductive core insulating sealing device part to form two parts, and a conductive core is wrapped in the conductive core insulating sealing device; in the split structure, the bus connector is connected with the terminal to form an insulating body of the insulating sealing device part and the conductive core insulating sealing device, and the insulating body is independently formed by an insulating layer, or an insulating layer and a voltage equalizing layer, or an insulating layer and a shielding layer, or one of the insulating layer, the voltage equalizing layer and the shielding layer.
The inner pressure equalizing layer adapter is of a side-opening structure or a barrel sleeve structure.
The inner voltage equalizing layer adapter is in a multi-layer wrapping structure form so as to fill a gap space between the exposed conductive core of the bus connection point and the inner voltage equalizing layer of the bus connection point insulation sealing device.
The utility model solves the problem of gaps between the voltage equalizing layer in the bus connecting point insulating sealing device of the bus and the bus conductive core at the bus connecting point position sealed and protected by the sealing device, eliminates the potential difference between the bus conductive core and the voltage equalizing layer in the bus connecting point insulating sealing device, and fundamentally solves the defects of equipment damage and electric power facility safety hazard caused by discharge, arc ablation of peripheral equipment due to the potential difference in the gaps during the electrified operation of the bus.
Drawings
Fig. 1-1, 1-2, 1-3 are exterior, front, right, top views of an embodiment of an inner grading layer adapter according to the present utility model.
Fig. 2 is a schematic view of the effect of the inner grading layer adapter of the present utility model after installation.
Fig. 3 is a schematic view of a unidirectional connection busbar joint of the present utility model.
Fig. 4 is a cross-sectional view of fig. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a schematic view of the present utility model in an open state between the unidirectional connection busbar joint connection points.
Fig. 7 is a schematic diagram of the connection of the conductive core between the connection points of the unidirectional connection busbar joint of the present utility model.
Fig. 8 is a schematic view of the installed state of the inner grading layer adapter between the unidirectional connection busbar joint connection points of the present utility model.
Fig. 9 is a schematic view showing a state in which the bus bar connection point insulating sealing means of the present utility model is moved to the one-way connection bus bar joint connection point, and the bus bar is mounted.
Fig. 10 is a schematic view of a bi-directional connecting bus bar joint of the present utility model.
Fig. 11 is a cross-sectional view of fig. 10.
Fig. 12 is a top view of fig. 10.
Fig. 13 is a schematic view of the present utility model in an open state between the two-way connection busbar joint connection points.
Fig. 14 is a schematic view showing a state in which connection of the conductive core between connection points of the bidirectional connection busbar joint according to the present utility model is completed.
Fig. 15 is a schematic view of the installed state of the inner voltage grading layer adapter between the connection points of the bi-directional connecting bus bar joint of the present utility model.
Fig. 16 is a schematic view showing a state in which the bus bar connection point insulating sealing means of the present utility model is moved to the connection point of the bidirectional connection bus bar joint, and the bus bar is mounted.
Fig. 17 is a schematic structural view of an embodiment of the bus bar connection point insulation sealing device of the present utility model.
Fig. 18 is a cross-sectional view of fig. 17.
Fig. 19 is a top view of fig. 17.
Fig. 20 is a block diagram of an insulated split seal for a busbar joint and terminal connection point of a unidirectional busbar joint according to the present utility model.
Fig. 21 is a block diagram of a bus bar connector and terminal connection point insulation split seal device of a bidirectional bus bar connector of the present utility model.
Fig. 22 is a structural view of the conductive core insulating split type sealing device of the present utility model.
Numbering in the figures: the bus connector and terminal connecting point insulating sealing device is characterized in that 1 is a bus connector and terminal connecting point insulating sealing device, 2 is a conductive core insulating sealing device, 2-1 is a shielding layer, 2-2 is an insulating layer, 2-3 is a voltage equalizing layer, 3 is a connecting bus connector connecting point, 4 is a connecting bus connector conductive core, 5 is a bus connecting point insulating sealing device, 5-1 is a shielding layer of the bus connecting point insulating sealing device, 5-2 is an insulating layer of the bus connecting point insulating sealing device, 5-3 is a voltage equalizing layer of the bus connecting point insulating sealing device, and 6 is a reserved operation port for implementing connecting operation of a terminal and a bus connector. 7 is an inner pressure equalizing layer adapter. And 8, a reserved operation port for implementing the connection operation of the conductive core insulation split type sealing device and the bus connector and terminal connection point insulation split type sealing device.
Detailed Description
The connecting bus connector is connected to the wiring end of the power distribution cabinet and consists of a unidirectional connecting bus connector and a multidirectional connecting bus connector, wherein the unidirectional connecting bus connector is positioned on the wiring end of the line end point, and the multidirectional connecting bus connector is positioned on the wiring end of the intermediate connection transition of the line. The utility model relates to a bus connector, which is connected with a wiring terminal by a traditional connecting device and a traditional mode through a reserved wiring terminal interface, and is connected with a bus connecting point of an adjacent bus connector by a connecting device, and the utility model is characterized in that: the inner voltage equalizing layer adapter is arranged outside the conductive core at the joint, so that the inner part of the inner voltage equalizing layer adapter can be tightly matched with the conductive core, the outer part of the inner voltage equalizing layer adapter can be tightly connected with the voltage equalizing layer inside the bus connecting point insulating sealing device, and the bus connecting point insulating sealing device is used for conducting insulating sealing treatment.
Referring to fig. 1-1, 1-2, 1-3, and fig. 2, an inner grading layer adapter 7 made of a semi-conductive or conductive material. The internal shape of the adapter is shaped to closely encase the conductive core at the location of the bus bar connection point. The external treatment of the adapter is in a shape that enables a tight connection with the voltage equalizing layer inside the busbar joint insulating sealing means 5.
Referring to fig. 3 to 5, the unidirectional connection busbar joint of one direction includes a conductive core 4 and an insulating body. The insulating body comprises a bus bar joint and terminal connecting point insulating sealing device 1 and a conductive core insulating sealing device 2. One end of the conductive core 4 is processed into a conventional structure suitable for terminal connection, and the other end is processed into a structure of the bus bar connection point 3. The insulating body is an insulating sealing device wrapped outside the conductive core, one end of the insulating sealing device 1 of the bus joint and the wiring terminal connecting point is suitable for being matched and connected with the wiring terminal on the power distribution cabinet, and the other end of the insulating sealing device is formed into an operation port 6 for implementing the connection operation of the wiring terminal and the bus joint, is suitable for the fastening operation of the wiring terminal, and can be matched with a bus insulating sealing piece for insulating sealing; the outer end of the conductive core insulation sealing device 2 is shaped into a structure matched with the bus connection point insulation sealing device.
When the unidirectional connection bus connector and the wiring terminal adopt a bolt fastening mode, an operation port for connecting the wiring terminal and the bus connector and a matched sealing piece can adopt a split type design. When the unidirectional connection bus connector and the wiring terminal adopt a plug structure, the external pressing device is utilized to press and fasten, and the operation port for connecting the wiring terminal and the bus connector and the matched sealing piece can adopt an integrated design.
Referring to fig. 10 to 12, the multi-directional connection bus connector on the terminal includes a conductive core and an insulating body, the conductive core of the multi-directional connection bus connector is a divergent layout structure with the terminal connection point on the power distribution cabinet as the center, for example, the design of two conductive cores which are 180 degrees opposite to each other or the design of four conductive cores which are 90 degrees opposite to each other are all in the form of the multi-directional connection bus connector. The conductive core and the insulating body have the same structure.
Referring to fig. 17 to 19, the bus bar connection point insulation sealing device 5 has a cylindrical structure, two inner ends are processed to be suitable for being connected with the bus bar insulation sealing device, and an inner middle is processed to be suitable for wrapping the bus bar connection point. The insulating sealing device of the bus connection point can be internally provided with or not provided with a voltage equalizing layer 5-3, and the exterior can be externally provided with or not provided with a shielding layer 5-1.
The unidirectional connection bus connector and the multidirectional connection bus connector can be formed into an integrated structure and a split structure; in the integrated structure, in the insulating body of the bus connector, the terminal connecting point insulating sealing device part and the conductive core insulating sealing device part are formed into a whole and are wrapped outside the conductive core; referring to fig. 20, 21 and 22, in the split structure, in the insulating body of the bus bar connector, the bus bar connector and the terminal connecting point insulating sealing device part and the conductive core insulating sealing device part are formed into two parts, and the conductive core is wrapped in the conductive core insulating sealing device; in the split structure, the bus connector is connected with the terminal to form an insulating body of the insulating sealing device part and the conductive core insulating sealing device, and the insulating body is independently formed by an insulating layer, or an insulating layer and a voltage equalizing layer, or an insulating layer and a shielding layer, or one of the insulating layer, the voltage equalizing layer and the shielding layer.
Common forms of terminals: outer taper, inner taper, wire row shape. Conductive core common form: metal tube, metal rod, stranded wire and metal row. Materials can be classified into copper, aluminum, copper clad aluminum, alloys, chemicals having conductive properties, and the like. The common connection structure of wiring end: the row-shaped bus bar is directly fastened to the wiring terminal through a bolt, the circular bus bar is contacted with the wiring terminal through a clamp and is fastened through the bolt; in the plug structure, the fixed contact is arranged at the wiring end, the movable contact is arranged at the bus end, and when the movable contact is connected with the fixed contact, the movable contact and the fixed contact are contacted and separated through plug action. Terminal and busbar connection joint operation mouth common seal form: the use of bolt-on structures often results in a seal (plug) that seals against the plug. The connector adopting the plug structure usually adopts a sealing end integrated structure. The seal is typically made from an insulating material. The above belongs to the category of the prior art, and a specific structural diagram is not given.
Referring to fig. 6 to 9, when two terminals on the connecting line are adopted, two unidirectional connection busbar joints are selected, a busbar connection point insulation sealing device 5 is sleeved on a busbar insulation sealing sheath of any unidirectional connection busbar joint to expose a busbar connection point 3, one ends of the two unidirectional connection busbar joints are connected with the terminals, an operation surface is sealed, the two unidirectional connection busbar joints are connected at the busbar connection point 3 through a connecting device, an exposed conductive core at the connection point is wrapped by an inner voltage equalizing layer adapter, and finally the busbar connection point insulation sealing device 3 is pushed to a preset installation position to wrap the busbar connection point 3 and ensure safe contact with the inner voltage equalizing layer adapter, so that the busbar installation is completed. When the bus connection point insulating sealing device 5 is pushed to expose the bus connection point 3 during disassembly, or the bus connection point insulating sealing device 5 is damaged to expose the bus connection point 3, the inner equalizing layer adapter is disassembled or damaged, the connecting device of the bus connection point 3 is disconnected, the connecting device which is connected with the wiring terminal on the power distribution cabinet through the unidirectional connection bus connector to be disassembled is disconnected, and the bus is disassembled.
Referring to fig. 13 to 16, when the number of terminals on the connecting line is multiple, two unidirectional connection busbar joints are selected, a plurality of multidirectional connection busbar joints are selected, the number of connection busbars is the same as the number of terminals on the connecting line, a plurality of busbar connection point insulation sealing devices are selected, the busbar connection point insulation sealing devices are respectively sleeved on busbar insulation sealing jackets of any connection busbar joints to expose busbar connection points, one ends of the connection busbar joints are connected with the terminals, the other ends of the connection busbar joints are sealed, all the connection busbar joints are respectively connected at the busbar connection points through the connection devices, exposed conductive cores at the connection points are wrapped by using an inner voltage equalizing layer adapter, and finally the busbar connection point insulation sealing devices are pushed to preset installation positions to wrap the busbar connection points to push the busbar connection point insulation sealing devices to preset installation positions, so that the busbar connection points are wrapped and ensure safe contact with the inner voltage equalizing layer adapter, and the busbar installation is completed. When the bus connection point insulation sealing device is detached, the bus connection point insulation sealing device is pushed to be exposed out of the bus connection point, or the bus connection point insulation sealing device is damaged to be exposed out of the bus connection point, the inner equalizing layer adapter is detached or damaged, the connecting device of the bus connection point is disconnected, the connecting device, which needs to be detached, of the connecting bus connected with the wiring terminal on the power distribution cabinet is disconnected, and the bus is detached.
Referring to fig. 20 and 22, when the unidirectional connection busbar joint is in a split structure, when installing a busbar, firstly selecting an insulating split sealing device of a busbar joint and a wiring end connection point and a conductive core insulating split sealing device part, leading the connection busbar joint connection point 3 of the conductive core insulating split sealing device part to face outwards, inserting the other end into the busbar joint of the unidirectional busbar joint and the inside of the insulating split sealing device of the wiring end connection point from the reserved operation port 8, and combining the busbar joint and the wiring end connection point into a complete unidirectional connection busbar joint.
Referring to fig. 21 and 22, when the multi-directional connection bus connector is in a split structure, when a bus is installed, firstly, a bus connector of the multi-directional bus connector, a terminal connecting point insulation split sealing device and two conductive core insulation split sealing device parts are selected, the connecting bus connector connecting point 3 of the two conductive core insulation split sealing device parts faces outwards, and the other ends of the two conductive core insulation split sealing device parts are respectively inserted into the bus connector of the multi-directional bus connector and the terminal connecting point insulation split sealing device from the reserved operation port 8, so that the three parts form a complete multi-directional connection bus connector.
The inner pressure equalizing layer adapter is in a common form:
the conductive or semiconductive material is prefabricated into a shape of a conductive core, the conductive core can tightly wrap the bus connection point position inside the conductive or semiconductive material, the conductive core can tightly connect with a voltage equalizing layer inside the bus connection point insulating sealing device outside the conductive or semiconductive material, and the side surface of the conductive or semiconductive material is of an opening structure or a barrel sleeve structure. The assembly sequence of the side opening is that the bus is fastened firstly and then the adapter is installed; the assembly sequence of the sleeve structure is that the adapter is sleeved, then the nut is screwed, and finally the adapter is slipped to be wrapped.
The conductive or semiconductive material is wrapped, and the conductive or semiconductive material is used for filling a gap space between the exposed conductive core of the bus connection point and the voltage equalizing layer in the bus connection point insulation sealing device in a multilayer wrapping mode.
The bus connection joint is commonly fixed in the form of:
and the sealing piece is connected with the bolts through the bolt fastening structure, and the bus connecting joint is extruded and fixed at the wiring terminal. The bus connection joint is pressed and fixed by the external pressing device of the joint.
Bus connection point setting form and bus connection mode:
in embodiment 1, bolts are directly fastened through bolt holes preset in bus bar connection points.
The connecting device is in two types of soft connection and hard connection, two copper bar buses are connected by hard connection examples, the connecting device is manufactured into a tile-shaped clamp with two ends of which the diameters are slightly smaller than the diameter of the copper bar to be connected, the copper bar buses are inserted into the clamp, and the copper bar buses are locked by means of fasteners such as drilling holes and inserting bolts. The flexible connection is exemplified by that two copper bar buses are connected, the connecting device is manufactured into a structure that two ends are loose pieces, the loose pieces are suitable for copper bar bus connection, the middle of the loose pieces are connected by copper knitting wires, thus, after the two buses are connected, a certain amount of activity can be provided at the middle contact point, and the influence of mechanical force on the buses at two ends can be reduced under the condition of vibration. The hard connection has the advantages of guaranteeing the through-flow capability and the mechanical strength, and has high requirements on the processing technology of connecting buses at two ends, and fine adjustment cannot be performed after connection. The flexible connection has the advantages of low requirements on the processing technology of the connecting bus, the possibility of fine adjustment of the whole circuit still being maintained after connection, and the disadvantage is that the current capacity can be influenced and the integral mechanical strength of the circuit is low.
Raw materials, structure and working principle and working performance determined by the structure of the bus, the connector and the bus connecting point insulating sealing device:
the raw materials are usually plastic chemical raw materials, common raw materials are nylon, resin and rubber, the electrical property is conductive and insulating, and the mechanical property is ductile and non-ductile.
The structure generally has three structures:
the single layer structure, which is generally insulating, is often referred to as a fully insulating article. After installation, the surface of the product does not need additional treatment, in the operation of the circuit, the external surface of the insulating layer generates induced static electricity due to the current passing through the internal conductive core, and has certain voltage and certain danger to biology and peripheral equipment, and because the structure does not optimize the electrical performance of the bus connection point, a more obvious discharge phenomenon exists at the bus connection point, and the structure is also commonly called as a full-insulation structure.
The contact surface that inside and electrically conductive core, wiring end or sealing member, fastener contacted is the conducting layer, also called the equalizing layer, the equalizing layer outside is wrapped up by the insulating layer, after the installation, product surface also need not additionally handle, in the circuit operation, because there is the electric current to pass through in the inside electrically conductive core, the insulating layer outside surface can produce the response static, have certain voltage, there is certain danger to living beings and peripheral equipment, because the equalizing layer of this kind of structure inside makes the optimization in the aspect of the electrical property to the busbar tie point, so there is usually not obvious phenomenon of discharging at the busbar tie point, this kind of structure is also commonly called full insulation structure.
Three-layer structure, inside and conductive core, wiring end or sealing member, fastener contact's contact surface be the conducting layer, also called the equalizing layer, equalizing layer outside is wrapped up by the insulating layer, and the insulating layer outside is wrapped up by the conducting layer, also called the shielding layer, and shielding layer and equalizing layer do not link to each other. After installation, the surface of the product is grounded through a preset grounding point by using a ground wire, in the operation of a circuit, because current passes through an internal conductive core, induction static electricity is generated on the outer surface of the middle insulating layer, a certain voltage is generated, the induction static electricity passes through an outermost conductive layer, namely a shielding layer and the ground wire to discharge to the ground, so that the outermost shielding layer presents zero potential or low potential and has good safety to organisms and peripheral equipment.
The bus connection point insulating sealing device 5 can be divided into two forms of prefabrication molding and pre-expansion, and is manufactured by adopting ductile raw materials. When the bus bar insulating sealing sheath is used, the prefabricated molded products slide on the bus bar insulating sealing sheath in a lubricating manner by utilizing lubricating grease, and insulating sealing is provided for bus bar connecting points by utilizing the ductility and contractility of raw materials. The inner diameter of the pre-expansion products is smaller than the minimum diameter of the section after the connection operation of the bus connection points is finished, the raw materials of the bus connection point insulating sealing device are ductile, the pre-expansion support is carried out by using mechanical operation, the inner diameter of the pre-expansion products is far larger than the diameter of the bus insulating sealing sheath, the pre-expansion products can freely slide on the bus insulating sealing sheath without using lubricating grease after expansion, when the connection construction of the bus connection points is finished, the pre-expansion bus connection point insulating sealing device is moved to a preset installation position, the pre-expansion support device is removed, and the bus connection point insulating sealing device is contracted, so that the purpose of sealing the bus connection points is achieved. The bus connection point insulating sealing device of the pre-expansion process can be used for selecting two modes of lubrication sliding and damage when being removed, and the bus connection point insulating sealing device of the pre-expansion process can be used for selecting a damage mode when being removed. The pre-expansion process is also commonly referred to as a cold shrink process.
Claims (6)
1. The utility model provides a bus joint that switch board can fixed point dismantlement, this bus joint is connected on the wiring end that several are located on same circuit on the switch board, and connecting bus joint is according to the difference of wiring end quantity and range direction, divide into unidirectional connection bus joint and multidirectional connection bus joint; the unidirectional connection bus connector is positioned on a wiring end of a line end point, and the multidirectional connection bus connector is positioned on a wiring end of the line intermediate connection transition; one end of the unidirectional or multidirectional connecting bus joint is connected with the connecting device for the wiring terminal through a reserved wiring terminal interface, and the other end of the unidirectional or multidirectional connecting bus joint is connected with a bus connecting point of an adjacent connecting bus joint through a bus connecting point by the connecting device;
the unidirectional connection bus connector comprises a conductive core and an insulating body; one end of the conductive core is processed into a structure suitable for being connected with the wiring terminal, and the other end is processed into a structure of a bus connection point; one end structure of the insulating body is suitable for being matched and connected with a wiring terminal on the power distribution cabinet, and the other end is formed into a structure matched with the bus connecting point insulating and sealing device;
the multidirectional connection bus connector comprises a conductive core and an insulating body, wherein the conductive core is of a structure which takes a wiring terminal connection point on a power distribution cabinet as a central divergence layout structure, one end of the conductive core in each direction is processed into a bus connection point structure, and the other end of the conductive core is processed into a structure which is suitable for being connected with the wiring terminal on the power distribution cabinet; one end structure of the insulating body is suitable for being matched and connected with a wiring terminal on the power distribution cabinet, and the other end is a corresponding divergent layout structure and is respectively formed into a structure matched with the bus connection point insulating sealing device;
the inner equalizing layer adapter is made of semi-conductive or conductive materials; the internal shape of the adapter is processed into a shape capable of tightly wrapping the conductive core at the position of the bus bar connecting point; the external treatment of the adapter is in a shape capable of being tightly connected with the voltage equalizing layer inside the bus connecting point insulating sealing device;
the bus connecting point insulating sealing device is of a cylindrical structure, two ends of the inside of the bus connecting point insulating sealing device are processed to be suitable for sleeving the bus connecting point insulating sealing device, and the middle of the inside of the bus connecting point insulating sealing device is processed to be suitable for wrapping the bus connecting point; the bus connecting point insulation sealing device is independently composed of an insulation layer, or an insulation layer and a voltage equalizing layer, or an insulation layer and a shielding layer, or a structure selected from the insulation layer, the voltage equalizing layer and the shielding layer.
2. The fixed point detachable busbar joint of a power distribution cabinet according to claim 1, wherein the insulating body of the unidirectional connection busbar joint and the multidirectional connection busbar joint is composed of an insulating layer, or an insulating layer and a voltage equalizing layer, or an insulating layer and a shielding layer, or a structure selected from the insulating layer, the voltage equalizing layer and the shielding layer.
3. The fixed point detachable busbar joint of a power distribution cabinet according to claim 1, wherein the connecting device for the busbar connection point adopts a bolt fastening structure or a plug structure or a press connection structure.
4. The fixed point detachable busbar joint of a power distribution cabinet according to claim 1, wherein the unidirectional connection busbar joint and the multidirectional connection busbar joint can be formed into an integral structure and a split structure; in an integrated structure, in an insulating body of a bus bar joint, a bus bar joint-terminal connection point insulating sealing device part and a conductive wire
The core insulating sealing device is partially formed into a whole and is wrapped outside the conductive core; in the split structure, in an insulating body of a bus connector, a bus connector and a wiring terminal are connected with an insulating sealing device part and a conductive core insulating sealing device part to form two parts, and a conductive core is wrapped in the conductive core insulating sealing device; in the split structure, the bus connector is connected with the terminal to form an insulating body of the insulating sealing device part and the conductive core insulating sealing device, and the insulating body is independently formed by an insulating layer, or an insulating layer and a voltage equalizing layer, or an insulating layer and a shielding layer, or one of the insulating layer, the voltage equalizing layer and the shielding layer.
5. The fixed point detachable busbar joint of a power distribution cabinet according to claim 1, wherein the inner voltage equalizing layer adapter is of a side-open structure or a sleeve structure.
6. The fixed point detachable busbar joint of a power distribution cabinet according to claim 1, wherein the inner voltage equalizing layer adapter is in a multi-layer wrapping structure form so as to fill a gap space between a conductive core exposed at a busbar connection point and an inner voltage equalizing layer of an insulating sealing device of the busbar connection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290482.1U CN218958268U (en) | 2022-08-30 | 2022-08-30 | Bus joint capable of being detached at fixed point of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290482.1U CN218958268U (en) | 2022-08-30 | 2022-08-30 | Bus joint capable of being detached at fixed point of power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218958268U true CN218958268U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222290482.1U Active CN218958268U (en) | 2022-08-30 | 2022-08-30 | Bus joint capable of being detached at fixed point of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218958268U (en) |
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2022
- 2022-08-30 CN CN202222290482.1U patent/CN218958268U/en active Active
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