CN217903043U

CN217903043U - Connecting unit, connector and distribution circuit for circuit breaker

Info

Publication number: CN217903043U
Application number: CN202221040342.2U
Authority: CN
Inventors: 张大伟; 汪洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-25
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a linkage unit for circuit breaker, including first route: the first path includes: a first input part for connecting a first input line; the first inserting part can be in adaptive connection with the first input part; a first output section including a first output head; the first connecting circuit is used for electrically connecting the first input part, the first inserting part and the first output part, and also provides a connector and a distribution circuit. The utility model discloses a connector that obtains after the linkage unit of circuit breaker is established ties can use with a plurality of air circuit breaker adaptations, satisfies many output line's safety control user demand to simple to operate, easy to maintain, this connector and the distribution circuit that the circuit breaker constitutes provide new safeguard measure for the safe power consumption.

Description

Connecting unit, connector and distribution circuit for circuit breaker

Technical Field

The utility model belongs to the distribution equipment field, concretely relates to a linkage unit, connector and distribution circuit for circuit breaker.

Background

The circuit breaker is also called an air switch, is a power distribution safety protection device commonly used in buildings and even houses, a plurality of circuit breakers connected in parallel are used for distributing a line entering the buildings or the houses into a plurality of independent safety protection lines, and when a short circuit or overload occurs to the line corresponding to one circuit breaker, the circuit breaker of the line is disconnected, so that the electricity utilization safety is guaranteed.

Generally, the access terminals of a plurality of circuit breakers are electrically connected in sequence through short wires to achieve conduction with an access line, as shown in fig. 1, the circuit breaker 20 includes a control switch 201, a first access terminal 202 and a second access terminal 203, and the first access terminal 202 and the second access terminal 203 are respectively provided with

bolts

2021 and 2031 for locking the wires directly or through a pressing sheet or the like. The three circuit breakers 20 are connected in parallel, and the power supply line 30 is usually a live line, electrically connected to the first input 202 of the circuit breaker 20 at the left end, and electrically connected to the first input 202 of the other two circuit breakers 20 through the short conductor 40. At the same time, there should be another power supply line electrically connected to the second access end 203 of the left-end circuit breaker 20, which is usually a zero line; and is electrically connected to the second access terminals 203 of the other two circuit breakers 20 through short wires. The connection mode is complex, excessive or even crossed lines need to be used for connecting the live wire and the zero wire, more installation time needs to be consumed, and meanwhile certain potential safety hazards exist. The current of the access end of the breaker (namely the first breaker) connected with the power supply line is the same as the current on the power supply line, and the damage of the power supply line and the access end is easily caused because the current is large, and even the insulating material of the access end is easily melted by heat because of the overlarge current, so that the power utilization accident is easily caused.

Disclosure of Invention

In order to solve the problem, the utility model provides a coupling unit, connector and distribution circuit for circuit breaker, this coupling unit can cooperate, provide safe distribution mode jointly with a plurality of air circuit breakers after establishing ties, and simple to operate, in order to realize above-mentioned purpose, the utility model discloses a following technical scheme:

a connection unit for a circuit breaker, comprising a first path: the first path includes: a first input part for connecting a first input line; the first inserting part can be in adaptive connection with the first input part; a first output section including a first output head; the first connecting circuit is used for electrically connecting the first input part, the first inserting part and the first output part.

Preferably, the portable electronic device further comprises a housing, wherein the housing is provided with a containing space for the first input part and the first connecting line; the first output head protrudes out of the bottom of the shell, and the first input part and the first insertion part are respectively positioned on opposite side parts of the shell.

Preferably, the first input portion comprises a first hollow cavity having electrical conductivity, at least part of the first hollow cavity being located within the housing.

Preferably, said first input comprises a first insulating fastening structure associated with said first hollow cavity; the first insulation fastening structure is configured to rotate or slide a first movable member of the first insulation fastening structure, contract the first hollow cavity or an inner diameter of the first insulation fastening structure.

Preferably, the first hollow cavity has a first fastening structure operable to contract; or the first hollow cavity has an elastically deformable first fastening structure.

Preferably, the first output stud comprises a sheet-like or cylindrical end portion.

A connector for a circuit breaker, comprising: the connecting units are connected in series, and the adjacent connecting units are configured in such a way that the first insertion part of one connecting unit is electrically connected with the first input part of the other connecting unit.

A distribution circuit comprises a plurality of circuit breakers and a connector, wherein the circuit breakers comprise a control line, the connector comprises the connecting unit, a first output part of the connecting unit is electrically connected with a first access end of the circuit breaker, and a first input part of one connecting unit is used for electrically connecting a first input line.

As a preferable aspect of the connection unit, the connection unit further includes a second path: the second path includes: a second input part for connecting a second input line; the second inserting part can be in adaptive connection with the second input part; a second output section including a second output stud; the second connecting circuit is used for electrically connecting the second input part, the second inserting part and the second output part; the first path and the second path are insulated from each other.

Preferably, the second input portion, the second socket portion, and the second output portion are provided in a manner corresponding to the first input portion, the first socket portion, and the first output portion, respectively.

A connector for a circuit breaker, comprising: the connecting units are connected in series, and the adjacent connecting units are configured in such a way that the first inserting part and the second inserting part of one connecting unit are correspondingly electrically connected with the first input part and the second input part of the other connecting unit.

The utility model provides a distribution circuit, includes a plurality of circuit breakers, still includes the connector, the circuit breaker includes two control scheme, the connector contains foretell linkage unit, the first output of linkage unit, second output correspond with the first incoming end of circuit breaker, second incoming end electric connection, wherein a linkage unit's first input, second input are used for electric connection first input line, second input line respectively.

The utility model discloses a connector that obtains after the linkage unit of circuit breaker is established ties can use with a plurality of air circuit breaker adaptations, satisfies many output line's safety control user demand to simple to operate, easy to maintain, this connector and the distribution circuit that the circuit breaker constitutes provide new safeguard measure for the safe power consumption.

Drawings

Fig. 1 is a schematic diagram of a parallel connection of air circuit breakers in the prior art;

fig. 2 is a schematic structural diagram of a first embodiment of a connection unit for a circuit breaker according to the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of a connection unit for a circuit breaker according to the present invention;

fig. 4 is a schematic diagram of a first application of a first embodiment of a distribution circuit including a connector according to the present invention;

fig. 5 is a schematic diagram of an application of a second embodiment of the distribution circuit including a connector according to the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Fig. 2 is a schematic structural diagram of a first embodiment of a connection unit for a circuit breaker according to the present invention; the connection unit 10 comprises a first passage: the first path includes: the first output portion comprises a first output pin 11, and the first output portion, the first input portion 12, the first connection circuit 13 and the first plugging portion 14 are electrically connected through the first connection circuit 13. In this embodiment, the first connection lines 13 further include a plurality of first connection lines 131, and the first output stud 11 is electrically connected to the first connection lines 13 through the first connection lines 131, so as to electrically connect the first output stud 11 to the first input portion 12 and the first plugging portion 14.

The housing 101 is provided with an accommodating space (not shown in the drawings), for example, two half housings with grooves are fastened together or combined by means of bolt connection and the like in the prior art to form the accommodating space; the housing may be formed in other ways known in the art, and is preferably made of an insulating material such as engineering plastic. The housing 101 has a top 1011, a bottom 1012 opposite the top 1011, and left and

right sides

1013, 1014 on either side of the top 1011 and bottom 1012.

The first output stud 11 is located at the bottom 1012 of the housing 101, and the first output stud 11 protrudes from the bottom 1012. In practice, the first output head comprises a sheet-like or cylindrical end portion to facilitate connection with the inlet end of the circuit breaker.

At least a part of the first input portion 12 is located in the accommodating space, and in the present embodiment, the first input portion 12 and the first connection line 13 are both located in the accommodating space. The first input portion 12 is close to the left portion 1013 of the housing 101, the first input portion 12 has a first hollow cavity 121, a first sliding chute 122 and a first movable member 123, the first hollow cavity 121 has electrical conductivity, and the first hollow cavity 121 is electrically connected to the first connecting wire 13. The first sliding slot 122 and the first movable member 123 form a first insulation fastening structure, and when the first movable member 123 slides along the first sliding slot 122, for example, the first sliding slot 122 is inclined, and when the first movable member 123 slides to an end of the first sliding slot 122 close to the first hollow cavity 121, the first hollow cavity 121 is contracted, so that the first hollow cavity 121 can be firmly connected with the lead wire inserted therein.

At least part of the first connection lines 13 are located in the accommodating space, in this embodiment, the first connection lines 13 are all located in the accommodating space, and preferably, a groove or a fixing structure adapted to the direction of the first connection lines 13 is provided in the housing 101, so that the first connection lines 13 are fixed in the housing 101.

The first socket part 14 is located on the right side 1014 of the housing 101, and the first socket part 14 can be connected with the first input part 12. For the connection, the first plug part 14 is preferably a conductive cylinder.

One embodiment of the connector includes a plurality of connection units 10 shown in fig. 2, the connection units 10 are connected in series in sequence, and adjacent connection units are configured such that the first insertion portion of one connection unit is electrically connected with the first input portion of another connection unit; in the present embodiment, the first insertion part 14 of the preceding connection unit 10 is inserted into the first hollow cavity 121 of the first input part 12 of the following connection unit 10, and the first movable member 123 is pushed to the left side, so that the first movable member 123 slides in the first sliding groove 122, and the first hollow cavity 121 is contracted, so that the first hollow cavity 121 and the first insertion part 14 are firmly connected.

Fig. 3 is a schematic structural diagram of a second embodiment of the connection unit for a circuit breaker according to the present invention; the connection unit 10 includes a first via and a second via insulated from each other. The first path includes: the first output portion comprises a first output pin 11, and the first output portion, the first input portion 12, the first connection circuit 13 and the first insertion portion 14 are electrically connected through the first connection circuit 13. In this embodiment, the first connection line 13 further includes a plurality of first connection lines 131, and the first output stud 11 is electrically connected to the first connection line 13 through the first connection lines 131, so as to electrically connect the first output stud 11 to the first input portion 12 and the first insertion portion 14. The second path includes: the second output part comprises a second output head 21, and the second output part, the second input part 22, a second connection line 23 and a second plug part 24 are electrically connected through the second connection line 23. In the present embodiment, the second connection line 23 further includes a plurality of second connection lines 231, and the second output head 21 is electrically connected to the second connection line 23 through the second connection lines 231, so as to electrically connect the second output head 21 to the second input portion 22 and the second plugging portion 24.

right sides

1013, 1014 on either side of the top 1011 and bottom 1012.

The first output stud 11 is located at the bottom 1012 of the housing 101, and the first output stud 11 protrudes from the bottom 1012. In practice, the first output head comprises a sheet-like or cylindrical end portion, so as to be connected with the first access end of the circuit breaker.

At least a part of the first input portion 12 is located in the accommodating space, and in the present embodiment, the first input portion 12 and the first connection line 13 are both located in the accommodating space. The first input portion 12 is adjacent to the left side 1013 of the housing 101, the first input portion 12 has a first hollow cavity 121 and a first fastening structure 122, the first hollow cavity 121 has electrical conductivity, and the first hollow cavity 121 is electrically connected to the first connecting wire 13. The first fastening structure 122 is composed of a plurality of elastically deformable conductive sheets, and the wire is inserted into the first fastening structure 122 to expand the conductive sheets outwards, so that the conductive sheets have a tendency of contracting inwards to cling to the surface of the wire, thereby realizing the firm connection between the first hollow cavity 121 and the wire inserted therein. In other embodiments, the first fastening structure 122 is formed of a plurality of rigid conductive strips, and manipulation of screws, buttons, and the like, and their associated structures, causes the first fastening structure 122 to contract.

The first plug part 14 is located at the right side 1014 of the housing 101, and the first plug part 14 can be connected with the first input part 12. For the connection, the first plug part 14 is preferably a conductive cylinder.

The second output stud 21 is located at the bottom 1012 of the housing 101, and the second output stud 21 protrudes from the bottom 1012. In practice, the second output head comprises a sheet-like or cylindrical end portion, so as to be connected with the second access end of the circuit breaker.

At least a part of the second input portion 22 is located in the accommodating space, in the present embodiment, both the second input portion 22 and the second connection line 23 are located in the accommodating space. The second input portion 22 is close to the left portion 1013 of the housing 101, the second input portion 22 has a second hollow cavity 221 and a second fastening structure 222, the second hollow cavity 221 has electrical conductivity, and the second hollow cavity 221 is electrically connected to the second connection line 23. The second fastening structure 222 is formed by a plurality of elastically deformable conductive strips, and the conductive strips are expanded outwards when the wire is inserted into the second fastening structure 222, and the conductive strips tend to contract inwards to cling to the surface of the wire, so that the second hollow cavity 221 is firmly connected with the wire inserted therein. In other embodiments, the second fastening structure 222 is formed of a plurality of rigid conductive strips, and manipulation of screws, buttons, and the like, and their associated structures, causes the second fastening structure 222 to contract.

At least a portion of the second connection lines 23 are located in the accommodating space, in the present embodiment, the second connection lines 23 are located in the accommodating space, preferably, a groove or a fixing structure adapted to the direction of the second connection lines 23 is disposed in the housing 101, so that the second connection lines 23 are fixed in the housing 101.

The second plug part 24 is located on the right side 1014 of the housing 101, and the second plug part 24 can be connected with the second input part 22. For the connection, the second plug part 24 is preferably an electrically conductive cylinder.

In the present embodiment, the first input unit 12 and the second input unit 22 are provided in the vertical direction on the left side 1013 of the case 101, and the first mating unit 14 and the second mating unit 24 are provided in the vertical direction on the right side 1014 of the case 101. In other embodiments, the first input portion 12, the second input portion 22, the first insertion portion 14, and the second insertion portion 24 may be arranged in a front-back manner; the first input unit 12 and the second input unit 22 may be provided on the right side 1014 of the housing 101, and the corresponding first mating unit 14 and the second mating unit 24 may be provided on the left side 1013 of the housing 101.

In an embodiment of the connector, the connector includes a plurality of connection units 10 shown in fig. 3, the connection units 10 are sequentially connected in series, and adjacent connection units are configured such that the first insertion portion and the second insertion portion of one connection unit are electrically connected with the first input portion and the second input portion of another connection unit correspondingly. In this embodiment, the first insertion part 14 of the front connection unit 10 is inserted into the first hollow cavity 121 of the first input part 12 of the rear connection unit 10, and the first fastening structure 122 is tightly attached to the first insertion part 14 by using its elastic deformation characteristic, so that the first hollow cavity 121 is firmly connected to the first insertion part 14; the second insertion part 24 of the previous connection unit 10 is inserted into the second hollow cavity 221 of the second input part 22 of the subsequent connection unit 10, and the second fastening structure 222 is tightly attached to the second insertion part 24 by using the elastic deformation characteristic thereof, so that the second hollow cavity 221 is firmly connected with the second insertion part 24.

In other embodiments, the connection unit 10 does not include the housing shown in the embodiments, and the first connection line 13 and the second connection line 23 are preferably each provided in an insulating environment, such as an insulating environment provided with an insulating tube or a strip-shaped insulating case or the like.

Referring to fig. 4, in order to illustrate the first embodiment of the distribution circuit of the present invention, the distribution circuit includes a connector and four circuit breakers 20, wherein the connector 10 includes four connection units 10 shown in fig. 2, the circuit breaker 20 includes a control switch 201, a first access end 202 and a first output end 203, and the first access end 202 and the first output end are respectively provided with

bolts

2021 and 2031.

During installation, referring to fig. 2, the connection units 10 are sequentially connected in series to form a connector, the first output head 11 is inserted into the corresponding first access 202 of the circuit breaker 20, and is locked by the bolt 2021, so that the first output head 11 is electrically connected to the circuit breaker 20, that is, the first access 202 of the circuit breaker 20 is connected. When the first input portion 12 of the leftmost connection unit 10 is connected to the conductive line of the first electric line, the first inlet 202 of the air circuit breaker 20 is electrically connected to the first electric line. Preferably, the first electrical line is the live line in an electrical supply network, and the supply of the neutral line is provided by a neutral supply line via a further line.

Referring to fig. 5, for the second embodiment of the distribution circuit of the present invention, the distribution circuit includes a connector and two circuit breakers 20, wherein the connector 10 includes two connection units 10 shown in fig. 3, the circuit breaker 20 includes a control switch 201, a first access end 202, a first output end 203, a second access end 204, and a second output end 205, the first access end 202 and the first output end are respectively provided with

bolts

2021, 2031, and the second access end 204 and the second output end are respectively provided with

bolts

2041, 2051.

During installation, referring to fig. 3 in combination, the connection units 10 are sequentially connected in series to form a connector, the first output head 11 and the second output head 21 are respectively inserted into the first access end 202 and the second access end 204 of the corresponding circuit breaker 20, and are locked by

bolts

2021 and 2041, so that the first output head 11 and the second output head 21 are electrically connected to the circuit breaker 20, that is, the first access end 202 and the second access end 204 of the circuit breaker 20 are connected. After the first input unit 12 and the second input unit 22 of the leftmost connection unit 10 are connected to the first electric line and the second electric line, respectively, the first inlet 202 and the second inlet 204 of the air circuit breaker 20 are electrically connected to the first electric line and the second electric line, respectively. Preferably, the first and second electrical lines are respectively a neutral line and a live line in the power supply network.

In practice, the first and second plug parts 14', 24' of the rightmost connecting unit 10 can be removed or sleeved with an insulating cap, so that the first and second plug parts 14', 24' do not need to be exposed to avoid potential danger. In other embodiments, the first input portion 12, the second input portion 22, and the first and

second mating portions

14, 24 are located on the right and left sides of the housing 101, respectively, and are easily obtained based on the embodiment shown in fig. 3. It is also possible to provide the connection unit 10 with the first input part 12 and the first socket part 14 in the above manner when the connection unit 10 has only the first passage.

The embodiment shown in fig. 3 and 5 may further include a third path, a third input portion, a third output portion, a third plug portion, and a third connection line to adapt to a circuit breaker having a third access terminal.

The above only is the preferred embodiment of the present invention, not therefore the limitation of the patent scope of the present invention, especially wherein the direction-indicative words such as lateral part, bottom, head end, terminal, etc. are absolutely not to the restriction of technical solution, all utilize the equivalent structure or equivalent flow transformation made by the contents of the specification and the drawings of the present invention, or directly or indirectly use in other related technical fields, all the same principles are included in the protection scope of the present invention.

Claims

1. A connection unit for a circuit breaker, characterized in that it comprises a first path: the first path includes:

a first input part for connecting a first input line;

the first inserting part can be in adaptive connection with the first input part;

a first output section including a first output head;

the first connecting circuit is used for electrically connecting the first input part, the first inserting part and the first output part.

2. The connection unit according to claim 1, further comprising a housing that provides an accommodation space for the first input portion and the first connection line; the first output head protrudes out of the bottom of the shell, and the first input part and the first inserting part are respectively positioned on the opposite side parts of the shell.

3. The connection unit of claim 2, wherein the first input includes a first hollow cavity having electrical conductivity, at least a portion of the first hollow cavity being located within the housing.

4. The connection unit of claim 3, wherein the first input includes a first insulating fastening structure associated with the first hollow cavity; the first insulation fastening structure is configured to rotate or slide a first movable member of the first insulation fastening structure, contract an inner diameter of the first hollow cavity or the first insulation fastening structure.

5. The connection unit of claim 3, wherein the first hollow cavity has a first fastening structure that is operative to contract; or the first hollow cavity has an elastically deformable first fastening structure.

6. The connection unit of claim 1, wherein the first output stud comprises a sheet or cylindrical end.

7. The connection unit of any one of claims 1-6, further comprising a second passageway: the second path includes:

a second input part for connecting a second input line;

the second inserting part can be in adaptive connection with the second input part;

a second output section including a second output stud;

the second connecting circuit is used for electrically connecting the second input part, the second inserting part and the second output part;

the first path and the second path are insulated from each other.

8. The connection unit according to claim 7, wherein the second input portion, the second insertion portion, and the second output portion are provided in a manner corresponding to the first input portion, the first insertion portion, and the first output portion, respectively.

9. A connector for a circuit breaker, comprising: a plurality of connection units, characterized in that,

the connection units are the connection units of any one of claims 1 to 6, the connection units are connected in series, and the adjacent connection units are configured such that the first insertion part of one connection unit is electrically connected with the first input part of the other connection unit;

or, the connection units are the connection units of claim 7 or 8, the connection units are connected in series, and the adjacent connection units are configured such that the first insertion portion and the second insertion portion of one connection unit are electrically connected with the first input portion and the second input portion of the other connection unit correspondingly.

10. A distribution circuit comprising a plurality of circuit breakers, characterized in that it further comprises a connector, said circuit breakers comprising a control line, said connector comprising a connection unit as claimed in any one of claims 1 to 6, said connection unit having a first output electrically connected to a first input of said circuit breaker, wherein a first input of a connection unit is adapted to be electrically connected to a first input line;

or, the circuit breaker includes two control lines, the connector includes the connection unit of claim 7 or 8, the first output portion and the second output portion of the connection unit are electrically connected to the first access end and the second access end of the circuit breaker, and the first input portion and the second input portion of one connection unit are respectively used for electrically connecting the first input line and the second input line.