CN222395253U - A multi-way switch for a distribution box and its incoming line terminal structure - Google Patents
A multi-way switch for a distribution box and its incoming line terminal structure Download PDFInfo
- Publication number
- CN222395253U CN222395253U CN202420840693.4U CN202420840693U CN222395253U CN 222395253 U CN222395253 U CN 222395253U CN 202420840693 U CN202420840693 U CN 202420840693U CN 222395253 U CN222395253 U CN 222395253U
- Authority
- CN
- China
- Prior art keywords
- copper bars
- parallel
- power supply
- wire inlet
- copper bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 132
- 229910052802 copper Inorganic materials 0.000 claims abstract description 132
- 239000010949 copper Substances 0.000 claims abstract description 132
- 239000003086 colorant Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Distribution Board (AREA)
Abstract
The utility model discloses a multi-way switch of a distribution box and a wire inlet end structure of the multi-way switch of the distribution box, wherein the wire inlet end structure of the multi-way switch of the distribution box comprises a plurality of wire inlet end copper bars, parallel copper bars, two wire inlet end copper bars and power supply copper bars, wherein one ends of the wire inlet end copper bars are respectively connected with each wire inlet of a circuit breaker, the two ends of the parallel copper bars are used for connecting the two wire inlet end copper bars, the two wire inlet end copper bars connected with the parallel copper bars are connected with the same wire inlet end of the circuit breaker, the power supply copper bars are arranged in one-to-one correspondence with the parallel copper bars, and the two ends of the power supply copper bars are respectively connected with a power supply cable and the parallel copper bars. The wiring mode is simple and convenient, the wiring layout of the wiring box wiring after wiring is neat and the logic is clear, the wiring efficiency and the maintenance efficiency of the switch are improved, and the maintenance difficulty of the multi-way switch of the distribution box is reduced.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a multi-way switch of a distribution box and a wire inlet end structure of the multi-way switch.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. In recent years, subway communication systems have been modified by equipment update, in which two power boxes for supplying power to the communication system use 2 low-voltage molded case breakers as main power switches, and two switch incoming line sides need to be connected in parallel with a power cable.
However, the section of a power cable core introduced by the subway communication system is larger and is not matched with the rated value of the circuit breaker, and the cable core is also connected with two switches at the same time, so that a crimping terminal of the cable core cannot be directly connected with the upper end of the molded case circuit breaker, and when the cable core is connected with a transition terminal and then connected with the wire inlet end of the circuit breaker, the power box is complex in wiring, high in wiring and maintenance difficulty, small in electrical distance between the wiring terminals and possible in potential safety hazard.
In view of the foregoing, there is an urgent need for an improvement of a multi-way switch and a wire-incoming and connection structure thereof, so as to improve the convenience of wire-incoming and connection of the multi-way switch and improve the electrical safety of the multi-way switch.
Disclosure of utility model
The utility model aims to solve the technical problems that a multiway switch and an incoming line wiring structure thereof in the prior art are inconvenient to access, the electrical spacing of wiring terminals is small, and potential safety hazards exist.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a line inlet end structure of a multi-way switch of a distribution box, comprising:
one end of each of the plurality of wire inlet end copper bars is connected with each wire inlet of the circuit breaker;
The two ends of the parallel copper bar are connected with the two wire inlet end copper bars, and the two wire inlet end copper bars connected with the parallel copper bar are connected with the same wire inlet end of the circuit breaker;
the power supply copper bars are arranged in one-to-one correspondence with the parallel copper bars, and two ends of the power supply copper bars are respectively connected with the power supply cable and the parallel copper bars.
In the above technical scheme, preferably, the parallel copper bar is horizontally arranged, a parallel horizontal portion is arranged at one end, far away from the wire inlet end of the circuit breaker, of the wire inlet end copper bar, and a bolt penetrates through the parallel copper bar and the parallel horizontal portion to fix the parallel copper bar and the wire inlet end copper bar.
In the above technical solution, preferably, a power copper bar horizontal portion is provided at one end of the power copper bar far away from the power cable, and a bolt penetrates through the parallel copper bar and the power copper bar horizontal portion to fix the parallel copper bar and the power copper bar.
In the above technical scheme, preferably, the power supply copper bar is provided with an insulating support part, and the insulating support part is fixed on an inner wall or a wall surface of the distribution box and is arranged between the power supply copper bar and the inner wall or the wall surface of the distribution box.
In the above technical solution, preferably, the wire inlet end copper bar, the parallel copper bar and the power supply copper bar are coated with a color insulating layer, and the color of the wire inlet end copper bar, the parallel copper bar and the color insulating layer of the power supply copper bar, which are connected with the same type of wire inlet on the circuit breaker, is the same.
In the above technical solution, preferably, a power connection hole is provided at an end of the power copper bar, which is far away from the parallel copper bar.
The utility model provides a block terminal multiway switch, includes a plurality of circuit breakers, the inlet wire of circuit breaker is through above-mentioned block terminal multiway switch's inlet wire end structure parallelly connected.
Compared with the prior art, the multi-way switch of the distribution box and the wire inlet end structure of the multi-way switch of the distribution box are simple in structure, and each wire inlet of the circuit breaker is respectively connected with the wire inlet end copper bars, so that safe electric intervals are kept among wires on each wire inlet of the circuit breaker, the safety of the multi-way switch of the distribution box is improved, the wire inlet end copper bars of the same type are connected through the parallel copper bars, the parallel copper bars are connected with a power supply through the power supply copper bars, connection through wires is not needed, the uniformity of wires in the distribution box is improved, and the overhaul difficulty of the distribution box is reduced.
Drawings
Fig. 1 is a front view of a structure of an incoming line end of a multi-way switch of a distribution box in the utility model;
FIG. 2 is a side view of the incoming end structure of the multiple switch of the distribution box of the present utility model;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
fig. 4 is an enlarged schematic view at B in fig. 1.
The correspondence between the names and the reference numerals of the respective components in fig. 1 to 4 is as follows:
a circuit breaker 1, a wire inlet end copper bar 2, a parallel copper bar 3, a power supply copper bar 4,
The parallel horizontal portion 21 is connected in parallel,
The power copper bar horizontal portion 41, the insulating support portion 42, and the power wiring hole 43.
Detailed Description
The utility model provides the multi-way switch of the distribution box and the wire inlet end structure thereof, the wiring mode is simple and convenient, the distribution of the wiring of the distribution box after wiring is neat and clear in logic, the wiring efficiency and the maintenance efficiency of the switch are improved, and the maintenance difficulty of the multi-way switch of the distribution box is reduced. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 4, the multi-way switch of the distribution box provided by the utility model comprises a plurality of circuit breakers 1. The wire inlets of the circuit breaker 1 are connected in parallel.
The utility model also provides a wire inlet end structure of the multi-way switch of the distribution box, which comprises a plurality of wire inlet end copper bars 2, parallel copper bars 3 and power supply copper bars 4.
One end of each of the plurality of wire inlet end copper bars 2 is connected with each wire inlet of the circuit breaker 1. The two ends of the parallel copper bar 3 are used for connecting the two wire inlet end copper bars 2, and the two wire inlet end copper bars 2 connected with the parallel copper bar 3 are connected with the same wire inlet end of the circuit breaker 1. The power copper bars 4 are arranged in one-to-one correspondence with the parallel copper bars 3, and two ends of the power copper bars 4 are respectively connected with the power cable and the parallel copper bars 3.
In one embodiment of the present utility model, preferably, the parallel copper bar 3 is horizontally disposed, and a parallel horizontal portion 21 is disposed at an end of the wire inlet end copper bar 2 far from the wire inlet end of the circuit breaker 1, and a bolt penetrates through the parallel copper bar 3 and the parallel horizontal portion 21 to fix the parallel copper bar 3 and the wire inlet end copper bar 2.
In another embodiment of the present utility model, preferably, a power copper bar horizontal portion 41 is provided at an end of the power copper bar 4 far from the power cable, and a bolt penetrates through the parallel copper bar 3 and the power copper bar horizontal portion 41 to fix the parallel copper bar 3 and the power copper bar 4.
In another embodiment of the present utility model, it is preferable that the power copper bar 4 is provided with an insulation support portion 42, and the insulation support portion 42 is fixed on an inner wall or a wall surface of the distribution box and is disposed between the power copper bar 4 and the inner wall or the wall surface of the distribution box.
In another embodiment of the present utility model, preferably, the lead-in wire copper bar 2, the parallel copper bar 3 and the power copper bar 4 are coated with a color insulating layer, and the color of the color insulating layer of the lead-in wire copper bar 2, the parallel copper bar 3 and the power copper bar 4 connected with the same type of lead-in wire on the circuit breaker 1 is the same.
In another embodiment of the utility model, the end of the power copper bar 4 remote from the parallel copper bar 3 is preferably provided with a power connection hole 43 for the access of a power line.
Compared with the prior art, the distribution box multi-way switch and the incoming line end structure thereof have the following advantages:
(1) The parallel copper bars are connected with a power supply through the power supply copper bars, and are not required to be connected through wires, so that the uniformity of the wires in the distribution box is improved, and the overhaul difficulty of the distribution box is reduced;
(2) The parallel copper bar is horizontally arranged, one end of the wire inlet end copper bar, which is far away from the wire inlet end of the circuit breaker, is provided with a parallel horizontal part, and a bolt penetrates through the parallel copper bar and the parallel horizontal part to fix the parallel copper bar and the wire inlet end copper bar;
(3) The color insulating layers are coated on the wire inlet end copper bars, the parallel copper bars and the power supply copper bars, and the colors of the wire inlet end copper bars, the parallel copper bars and the color insulating layers of the power supply copper bars which are communicated with the same type of wire inlet on the circuit breaker are the same, so that the uniformity of wiring in the distribution box is further improved, the overhaul difficulty of the distribution box is reduced, and the overhaul efficiency of the distribution box is improved;
(4) The power connection hole is formed in one end, far away from the parallel copper bars, of the power copper bars, and the copper nose of the cable can be directly connected with the power connection hole, so that the wiring difficulty of the power cable is reduced, and the wiring efficiency of the power cable is improved.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (5)
1. The utility model provides a block terminal multiway switch's inlet wire end structure which characterized in that includes:
one end of each of the plurality of wire inlet end copper bars is connected with each wire inlet of the circuit breaker;
The two ends of the parallel copper bar are connected with the two wire inlet end copper bars, and the two wire inlet end copper bars connected with the parallel copper bar are connected with the same wire inlet end of the circuit breaker;
The power supply copper bars are arranged in one-to-one correspondence with the parallel copper bars, and two ends of the power supply copper bars are respectively connected with the power supply cable and the parallel copper bars;
The parallel copper bars are horizontally arranged, one end, far away from the wire inlet end of the circuit breaker, of the wire inlet end copper bar is provided with a parallel horizontal part, and a bolt penetrates through the parallel copper bars and the parallel horizontal part to fix the parallel copper bars and the wire inlet end copper bars;
The power supply copper bar is characterized in that a power supply copper bar horizontal part is arranged at one end, far away from the power supply cable, of the power supply copper bar, and a bolt penetrates through the parallel copper bar and the power supply copper bar horizontal part to fix the parallel copper bar and the power supply copper bar.
2. The incoming line end structure of a multi-way switch of a distribution box according to claim 1, wherein an insulating supporting part is arranged on the power supply copper bar, and the insulating supporting part is fixed on the inner wall or the wall surface of the distribution box and is arranged between the power supply copper bar and the inner wall or the wall surface of the distribution box.
3. The incoming line end structure of a multi-way switch of a distribution box according to claim 1, wherein the incoming line end copper bars, the parallel copper bars and the power supply copper bars are coated with color insulating layers, and the colors of the incoming line end copper bars, the parallel copper bars and the color insulating layers of the power supply copper bars, which are connected with the same type of incoming line on a circuit breaker, are the same.
4. The incoming line end structure of a multi-way switch of a distribution box according to claim 1, wherein a power supply wiring hole is arranged at one end of the power supply copper bar, which is far away from the parallel copper bar.
5. A multi-way switch of a distribution box, characterized by comprising a plurality of circuit breakers, wherein the incoming lines of the circuit breakers are connected in parallel through an incoming line end structure of the multi-way switch of the distribution box according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420840693.4U CN222395253U (en) | 2024-04-22 | 2024-04-22 | A multi-way switch for a distribution box and its incoming line terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420840693.4U CN222395253U (en) | 2024-04-22 | 2024-04-22 | A multi-way switch for a distribution box and its incoming line terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222395253U true CN222395253U (en) | 2025-01-24 |
Family
ID=94284967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420840693.4U Active CN222395253U (en) | 2024-04-22 | 2024-04-22 | A multi-way switch for a distribution box and its incoming line terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222395253U (en) |
-
2024
- 2024-04-22 CN CN202420840693.4U patent/CN222395253U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105914588A (en) | Multi-circuit-breaker power distribution cabinet or power distribution box | |
| CN222395253U (en) | A multi-way switch for a distribution box and its incoming line terminal structure | |
| CN215071312U (en) | Three-phase box-shared GIS structure for wind power tower | |
| CN108736360A (en) | A kind of integration loaded capacity regulating voltage regulating power distribution station | |
| CN204067884U (en) | A kind of distribution line based on double bus scheme | |
| CN220042997U (en) | Power supply system of data center and data center | |
| CN208638279U (en) | A kind of economic and reliable switching generator output device | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN214798289U (en) | Outdoor comprehensive power distribution cabinet | |
| CN215955753U (en) | Layout structure of a 10kV full handcart hybrid DC load switch | |
| CN212435042U (en) | Circuit breaker and contactless switch combined programmable power distribution device | |
| CN212343023U (en) | Combined electrical apparatus with bypass isolating switch at incoming and outgoing line interval | |
| CN211016739U (en) | Novel oil-immersed transformer with breaker switch | |
| CN215896989U (en) | Electric cabinet based on novel branching mode | |
| CN219749549U (en) | A kind of DC charging pile | |
| CN222106473U (en) | A transition busbar connection terminal for the outlet end of a low-voltage molded case switch | |
| CN215418981U (en) | Main wiring system of transformer substation | |
| CN207719638U (en) | A kind of dynamic power distribution cabinet | |
| CN113488874A (en) | Layout structure of 10kV full-handcart hybrid direct-current load complete switch | |
| CN116599032B (en) | Two-inlet-wire two-bus-connection electric control system | |
| CN223566544U (en) | A universal circuit breaker | |
| CN220138940U (en) | Maintenance power supply box | |
| CN223451407U (en) | A cable arrangement structure | |
| CN215528200U (en) | 220KV open-type reverse outgoing line arrangement structure | |
| CN213150616U (en) | Switch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |