Plug device, circuit breaker device and power distribution device

Abstract

The utility model relates to the technical field of power distribution, in particular to a plug-in device, a circuit breaker device and a power distribution device.The plug-in device comprises an insulating connecting block and a plurality of connecting pieces, the connecting pieces are arranged at intervals in the first direction, each connecting piece comprises an insulating sleeve and a connecting end plate, and the two ends of each connecting end plate are arranged to be a first end and a second end respectively; the first end is used for being connected to a connecting end of a circuit breaker body, the second end is used for being connected to a phase bar, the insulating sleeve is arranged on the outer side of the connecting end plate in a sleeving mode and located between the first end and the second end, and an insulating connecting block is arranged between every two adjacent connecting pieces. The two ends of the insulating connecting block are connected to the outer side walls of the insulating sleeves of the two adjacent connecting pieces respectively. In conclusion, the two adjacent connecting end plates of the plugging device can be sequentially blocked by the circuit breaker body, the insulating sleeve and the busbar device, so that the two connecting end plates are not directly opposite to each other, and the probability of safety accidents such as short circuit and electric leakage is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution technology, in particular to a plug-in device, circuit breaker device and power distribution device. BACKGROUND

[0002] At present, the power distribution device is arranged in the power distribution cabinet to distribute power to each electrical equipment, wherein the traditional power distribution device comprises disconnector, busbar and circuit breaker, the disconnector and the busbar, the disconnector and each circuit breaker are connected through the wire, in order to improve the working continuity of the power distribution device, prevent the disconnector from being disconnected for maintenance when any circuit breaker fails, in part of the power distribution device, a plurality of connecting ends of the circuit breaker are plugged into a plurality of phase buses of the busbar, specifically, one of the connecting end and the phase bus is provided with a clamping part, and the other is provided with an end plate, the end plate is clamped through the clamping part to realize the quick detachable connection similar to hot plug, but in this structure, the end plates of the two adjacent connecting ends directly face each other, which leads to a higher probability of short circuit, leakage and other safety accidents. SUMMARY

[0003] The utility model aims at providing a plug-in device, circuit breaker device and power distribution device to solve the technical problem that in part of the power distribution device, the end plates of the two adjacent connecting ends directly face each other, which leads to a higher probability of short circuit, leakage and other safety accidents.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a plug-in device, which comprises an insulating connecting block and a plurality of connecting pieces, the plurality of connecting pieces are arranged at intervals along a first direction, the connecting piece comprises an insulating sleeve and a connecting end plate, two ends of the connecting end plate are respectively set as a first end and a second end, the first end is used for connecting to the connecting end of the circuit breaker body, the second end is used for connecting to the phase bus, the insulating sleeve is sleeved on the outside of the connecting end plate, the insulating sleeve is located between the first end and the second end, the insulating connecting block is arranged between the two adjacent connecting pieces, and the two ends of the insulating connecting block are connected to the outer side walls of the insulating sleeves of the two adjacent connecting pieces.

[0005] Optionally, the second end of any two connecting end plates has a height difference;

[0006] Or, the height of the second end of any connecting piece is higher than the height of the second end of the connecting piece located on one side of the connecting piece and lower than the height of the second end of the connecting piece located on the other side of the connecting piece.

[0007] Optionally, in each connecting piece, part of the connecting pieces is defined as a turning connecting piece, and the first end and the second end of the turning connecting piece have a height difference.

[0008] Optionally, the connecting end plate comprises a first plate segment, a second plate segment and a third plate segment connected in sequence, the insulating sleeve comprises a first sleeve segment, a second sleeve segment and a third sleeve segment connected in sequence, the first sleeve segment is sleeved on the outer side of the first plate segment, the second sleeve segment is sleeved on the outer side of the second plate segment, and the third sleeve segment is sleeved on the outer side of the third plate segment, the first plate segment and the second plate segment are arranged in the horizontal direction, the second plate segment of the turning connecting piece is arranged in the oblique up, oblique down or up-down direction, the first reinforcing rib and the second reinforcing rib are arranged on the outer side wall of the insulating sleeve of the turning connecting piece, the first reinforcing rib is connected to the first sleeve segment and the second sleeve segment of the turning connecting piece, and the second reinforcing rib is connected to the second sleeve segment and the third sleeve segment of the turning connecting piece.

[0009] Optionally, the insulating connecting block comprises a connecting portion and a plurality of third reinforcing ribs, the plurality of third reinforcing ribs are arranged on the top surface and the bottom surface of the connecting portion respectively, the plurality of third reinforcing ribs are arranged along the edges of the connecting portion respectively, and the third reinforcing ribs are connected in sequence to form a reinforcing frame, the two ends of the connecting portion in the first direction are connected to the outer side walls of the insulating sleeves of the two adjacent connecting pieces respectively, and the two sides of the reinforcing frame relative to the first direction are connected to the outer side walls of the insulating sleeves of the two adjacent connecting pieces respectively.

[0010] Optionally, the insulating connecting block is made of a soft material.

[0011] Optionally, the end portion of the second end is provided with a guide portion, and the area of the cross section perpendicular to the length direction of the connecting piece gradually increases from the direction away from the first end to the direction close to the first end.

[0012] Optionally, the shortest distance between the adjacent connecting pieces is 7mm to 10mm, the thickness of the insulating sleeve is 0.5mm to 1mm, the distance between the first end and the insulating sleeve is 8mm to 12mm, and the distance between the second end and the insulating sleeve is 6mm to 10mm.

[0013] The utility model also relates to a circuit breaker device, including circuit breaker body and preceding plug connection device, the circuit breaker body is equipped with a plurality of one to one corresponding connecting end of connecting piece, the first end is connected to the connecting end.

[0014] The utility model also relates to a power distribution device, including busbar device and preceding circuit breaker device, the busbar device includes a plurality of one to one corresponding insulating assembly of connecting piece, the insulating assembly includes insulating row and phase row, the phase row is located in the insulating row, and the second end is connected to the phase row.

[0015] Compared with the prior art, the circuit breaker device and the power distribution device have the beneficial effects that:

[0016] In the plug-in device, the plurality of connecting members are arranged at intervals along the first direction and correspond to the plurality of connecting ends on the circuit breaker body respectively, the first end and the second end of the connecting end plate of the connecting member are used for being connected to the connecting end of the circuit breaker body and the phase busbar of the busbar device respectively, the first end of the two adjacent connecting end plates is blocked by the circuit breaker body, the second end of the two adjacent connecting end plates is blocked by the busbar device, the insulating sleeve is sleeved on the outside of the connecting end plate and located between the first end and the second end, so as to block the position of the two adjacent connecting end plates between the first end and the second end, in addition, the insulating connecting block is arranged between the adjacent connecting members, so that the worker can conveniently align and connect the connecting ends on the plurality of connecting members and the circuit breaker body, and the working efficiency of the worker is improved; in summary, the two adjacent connecting end plates of the plug-in device can be sequentially blocked by the circuit breaker body, the insulating sleeve and the busbar device, so that the two connecting end plates are not directly opposite to each other, and the probability of safety accidents such as short circuit and electric leakage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the plug-in device.

[0018] Figure 2 It is a front view of the plug-in device.

[0019] Figure 3 It is a top view of the plug-in device.

[0020] Figure 4 It is Figure 3 the sectional view of A-A.

[0021] Figure 5 It is a structure schematic view of the power distribution device (the circuit breaker device is not plugged into the busbar device).

[0022] Figure 6 It is a top view of the power distribution device (the circuit breaker device is not plugged into the busbar device).

[0023] Figure 7 It is Figure 6 the sectional view of B-B.

[0024] Label: 1, circuit breaker device; 11, plug-in device; 111, connecting piece; 1111, connecting end plate; 11111, first end; 11112, second end; 11113, first plate segment; 11114, second plate segment; 11115, third plate segment; 11116, guide portion; 1112, insulating sleeve; 11121, first sleeve segment; 11122, second sleeve segment; 11123, third sleeve segment; 112, insulating connecting block; 1121, connecting portion; 1122, third reinforcing rib; 113, first reinforcing rib; 114, second reinforcing rib; 12, circuit breaker body; 2, busbar device; 21, insulating assembly; 211, insulating busbar; 212, phase busbar. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0028] As Figures 1 to 7The utility model discloses a kind of plug-in devices 11, including insulating connecting block 112 and multiple connecting pieces 111, multiple connecting pieces 111 are spaced apart along the first direction, the connecting piece 111 includes insulating sleeve 1112 and connecting end plate 1111, the both ends of connecting end plate 1111 are respectively set as first end 11111 and second end 11112, the first end 11111 is used to connect to the connecting end of circuit breaker body 12, the second end 11112 is used to connect to phase row 212, the insulating sleeve 1112 is set to the outside of connecting end plate 1111, the insulating sleeve 1112 is between the first end 11111 and the second end 11112, between adjacent two connecting pieces 111, the insulating connecting block 112 is equipped with the outside wall of insulating sleeve 1112 of the two ends of adjacent two connecting pieces 111 respectively.

[0029] In the above technical solution, multiple connecting pieces 111 are spaced apart along the first direction, and correspond to multiple connecting ends on the circuit breaker body 12 respectively, the first end 11111 and the second end 11112 of the connecting end plate 1111 of connecting piece 111 are used to connect to the connecting end of circuit breaker body 12 and the phase row 212 of busbar device 2, the first end 11111 between adjacent two connecting end plates 1111 is blocked by circuit breaker body 12, the second end 11112 between adjacent two connecting end plates 1111 is blocked by busbar device 2, the insulating sleeve 1112 is set to the outside of connecting end plate 1111, and is located between the first end 11111 and the second end 11112, to block the position between the first end 11111 and the second end 11112 of adjacent two connecting end plates 1111, in addition, the insulating connecting block 112 is equipped between adjacent connecting pieces 111, so that workers can conveniently align the position of multiple connecting pieces 111 and the connecting end on a circuit breaker body 12 and connect, to further improve the work efficiency of workers; In conclusion, the insulating sleeve 1112 and busbar device 2 can be blocked in turn between adjacent two connecting end plates 1111 of the plug-in device 11 of the utility model, so that there is no direct opposition between two connecting end plates 1111, to further reduce the probability of safety accidents such as short circuit and electric leakage.

[0030] Further, the second end 11112 between any two connecting end plates 1111 has a height difference, so that the connecting end plate 1111 of each connecting piece 111 can be connected to phase row 212 at different heights.

[0031] Further, the height of the second end 11112 of any one of the connecting pieces 111 is higher than the height of the second end 11112 of the connecting piece 111 located on one side of the connecting piece 111 and lower than the height of the second end 11112 of the connecting piece 111 located on the other side of the connecting piece 111, so that the connecting pieces 111 are arranged in the first direction from low to high in order, according to the height of the second end 11112, to facilitate the staff to sort out the connection relationship between the connecting end of the circuit breaker device 1 and the phase bus 212 of the busbar device 2, and further improve the work efficiency of the staff in assembling and maintaining.

[0032] Further, the height of each connecting end of the circuit breaker assembly is generally the same and is arranged in a horizontal direction (which can be the first direction). In order to facilitate connection to the connecting end of the circuit breaker assembly, the height of the first end 11111 of each connecting piece 111 is the same. In order to correspond to the connection to the phase bus 212 with higher or lower height of the busbar device 2, among the connecting pieces 111, part of the connecting pieces 111 are defined as turning connecting pieces 111, the first end 11111 and the second end 11112 of the turning connecting piece 111 have a height difference, and the other part of the connecting pieces 111 are defined as horizontal connecting pieces 111, which are used to connect the connecting end and the phase bus 212 with the same height. The height of the first end 11111 of the horizontal connecting piece 111 is the same as the height of the second end 11112.

[0033] Further, the connecting end plate 1111 comprises a first plate segment 11113, a second plate segment 11114 and a third plate segment 11115 connected in sequence, the insulating sleeve 1112 comprises a first sleeve segment 11121, a second sleeve segment 11122 and a third sleeve segment 11123 connected in sequence, the first sleeve segment 11121 is sleeved on the outer side of the first plate segment 11113, the second sleeve segment 11122 is sleeved on the outer side of the second plate segment 11114, and the third sleeve segment 11123 is sleeved on the outer side of the third plate segment 11115, the first plate segment 11113 and the second plate segment 11114 extend in the horizontal direction, the second plate segment 11114 of the turning connecting piece 111 extends in the obliquely upward, obliquely downward or upward and downward direction, the first reinforcing rib 113 and the second reinforcing rib 114 are arranged on the outer side wall of the insulating sleeve 1112 of the turning connecting piece 111, the first reinforcing rib 113 is connected to the first sleeve segment 11121 and the second sleeve segment 11122 of the turning connecting piece 111, and the second reinforcing rib 114 is connected to the second sleeve segment 11122 and the third sleeve segment 11123 of the turning connecting piece 111, so as to reduce the probability of deformation of the turning connecting piece 111, thereby reducing the change of the angle between the first plate segment 11113 and the second plate segment 11114 or the angle between the second plate segment 11114 and the third plate segment 11115 after multiple uses, and further causing the plug-in device 11 to be difficult to plug into the busbar device 2 or even unable to plug into the busbar device 2.

[0034] Further, the insulating connecting block 112 comprises a connecting portion 1121 and a plurality of third reinforcing ribs 1122, the plurality of third reinforcing ribs 1122 are respectively arranged on the top surface and the bottom surface of the connecting portion 1121, the plurality of third reinforcing ribs 1122 are respectively arranged along the edges of the connecting portion 1121 and are connected in sequence to form a reinforcing frame, the two ends of the connecting portion 1121 in the first direction are respectively connected to the outer side walls of the insulating sleeves 1112 of the two adjacent turning connecting pieces 111, and the two sides of the reinforcing frame relative to the first direction are respectively connected to the outer side walls of the insulating sleeves 1112 of the two adjacent turning connecting pieces 111, so as to enhance the strength of the insulating connecting block 112, so that when the worker holds one side of the plug-in device 11, the deformation amplitude of the other side is smaller, and further facilitates the worker to install the plug-in device 11 on the circuit breaker device 1.

[0035] Further, the insulating connecting block 112 is made of soft material, and when many connecting pieces 111 are not needed in specific working conditions, the excess connecting pieces 111 can be removed by shearing; specifically, the insulating connecting block 112 and the insulating sleeve 1112 can be made of natural rubber (NR), neoprene, silicone rubber (Silicone Rubber), or nitrile rubber (NBR), etc.

[0036] Further, the end of the second end 11112 is provided with a guide portion 11116, the area of the cross section of the guide portion 11116 perpendicular to the length direction of the connecting piece 111 gradually increases from the direction away from the first end 11111 to the direction close to the first end 11111, so as to facilitate insertion into the phase busbar device 2.

[0037] Further, the shortest distance between adjacent connecting pieces 111 is 7mm to 10mm, the thickness of the insulating sleeve 1112 is 0.5mm to 1mm, the distance between the first end 11111 and the insulating sleeve 1112 is 8mm to 12mm, and the distance between the second end 11112 and the insulating sleeve 1112 is 6mm to 10mm, so as to ensure the insulation between adjacent connecting pieces 111.

[0038] The utility model also relates to a circuit breaker device 1, including circuit breaker body 12 and preceding plug connection device 11, circuit breaker body 12 is equipped with multiple one-to-one corresponding connecting piece 111's connecting end, first end 11111 is connected in connecting end.

[0039] In the above technical scheme, the circuit breaker body 12 can be provided with multiple grooves, the connecting end is arranged in the groove, or a partition plate is arranged between the connecting ends to isolate each connecting end, each first end 11111 and adjacent connecting ends and first ends 11111, further, the minimum distance between the insulating sleeve 1112 and the circuit breaker body 12 is not greater than 0.1mm to ensure insulation.

[0040] The utility model also relates to a power distribution device, including phase busbar device 2 and preceding circuit breaker device 1, phase busbar device 2 includes multiple one-to-one corresponding connecting piece 111's insulating assembly 21, insulating assembly 21 includes insulating row 211 and phase row 212, phase row 212 is arranged in insulating row 211, second end 11112 is connected in phase row 212.

[0041] In the above technical scheme, the insulating row 211 isolates each phase row 212, each second end 11112 and adjacent phase rows 212 and second ends 11112, further, the phase busbar device 2 is arranged along the first direction, and the insulating assembly 21 is sequentially arranged along the up-down direction.

[0042] In summary, the utility model embodiment provides a kind of plug-in device 11, circuit breaker device 1 and power distribution device, and its technical effect is:

[0043] In the plug-in device 11 of the utility model, multiple connecting pieces 111 are arranged along the first direction at intervals, and correspond to multiple connecting ends on the circuit breaker body 12 respectively, the first end 11111 and the second end 11112 of the connecting end plate 1111 of the connecting piece 111 are used for connecting the connecting end of the circuit breaker body 12 and the phase row 212 of the busbar device 2 respectively, the first end 11111 between the two adjacent connecting end plates 1111 is blocked by the circuit breaker body 12, the second end 11112 between the two adjacent connecting end plates 1111 is blocked by the busbar device 2, the insulating sleeve 1112 is sleeved on the outside of the connecting end plate 1111 and is located between the first end 11111 and the second end 11112, to block the position of the two adjacent connecting end plates 1111 between the first end 11111 and the second end 11112, in addition, insulating connecting block 112 is arranged between adjacent connecting pieces 111 to connect, so that workers can conveniently align the connecting end on multiple connecting pieces 111 and a circuit breaker body 12 and connect, to further improve the work efficiency of workers, in summary, the two adjacent connecting end plates 1111 of the plug-in device 11 of the utility model can be blocked by the circuit breaker body 12, the insulating sleeve 1112 and the busbar device 2 in turn, so that the two connecting end plates 1111 are not directly opposite, to further reduce the probability of short circuit, electric leakage and other safety accidents.

[0044] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection range of the utility model.

Claims

1. Plug-in device (11), characterized in that The connecting block (112) and a plurality of connecting pieces (111) are included, the plurality of connecting pieces (111) are arranged at intervals along a first direction, the connecting piece (111) includes an insulating sleeve (1112) and a connecting end plate (1111), two ends of the connecting end plate (1111) are respectively a first end (11111) and a second end (11112), the first end (11111) is used for connecting to a connecting end of a circuit breaker body (12), the second end (11112) is used for connecting to a phase row (212), the insulating sleeve (1112) is sleeved outside the connecting end plate (1111), and the insulating sleeve (1112) is located between the first end (11111) and the second end (11112); the insulating connecting block (112) is arranged between two adjacent connecting pieces (111), and two ends of the insulating connecting block (112) are respectively connected to outer side walls of the insulating sleeves (1112) of the two adjacent connecting pieces (111).

2. Plug-in device (11) according to claim 1, characterized in that The second end (11112) of any two connecting end plates (1111) has a height difference; Or, the height of the second end (11112) of any connecting piece (111) is higher than the height of the second end (11112) of the connecting piece (111) located on one side of the connecting piece (111) and lower than the height of the second end (11112) of the connecting piece (111) located on the other side of the connecting piece (111).

3. Plug-in device (11) according to claim 1, characterized in that In each connecting piece (111), part of the connecting pieces (111) are defined as turning connecting pieces (111), and the first end (11111) and the second end (11112) of the turning connecting piece (111) have a height difference.

4. Plug-in device (11) according to claim 3, characterized in that The first reinforcing rib (113) and the second reinforcing rib (114) are arranged on the outer wall of the insulating sleeve (1112) of the turning connecting piece (111), the first reinforcing rib (113) is connected to the first sleeve section (11121) and the second sleeve section (11122) of the turning connecting piece (111), and the second reinforcing rib (114) is connected to the second sleeve section (11122) and the third sleeve section (11123) of the turning connecting piece (111).

5. Plug-in device (11) according to claim 1, characterized in that The insulating connecting block (112) comprises a connecting portion (1121) and a plurality of third reinforcing ribs (1122), the plurality of third reinforcing ribs (1122) are respectively arranged on the top surface and the bottom surface of the connecting portion (1121), the plurality of third reinforcing ribs (1122) are respectively arranged along the edges of the connecting portion (1121) and are sequentially connected to form a reinforcing frame, the connecting portion (1121) is respectively connected to the outer walls of the insulating sleeves (1112) of two adjacent turning connecting pieces (111) at two ends in the first direction, and the reinforcing frame is respectively connected to the outer walls of the insulating sleeves (1112) of the two adjacent turning connecting pieces (111) at two sides in the first direction.

6. Plug-in device (11) according to claim 1, characterized in that The insulating connecting block (112) is made of a soft material.

7. Plug-in device (11) according to claim 1, characterized in that The end of the second end (11112) is provided with a guide portion (11116), and the area of the cross section perpendicular to the length direction of the connecting piece (111) gradually increases from the direction away from the first end (11111) to the direction close to the first end (11111).

8. Plug-in device (11) according to claim 1, characterized in that The shortest distance between adjacent connecting pieces (111) is 7mm to 10mm, the thickness of the insulating sleeve (1112) is 0.5mm to 1mm, the distance between the first end (11111) and the insulating sleeve (1112) is 8mm to 12mm, and the distance between the second end (11112) and the insulating sleeve (1112) is 6mm to 10mm.

9. A circuit breaker device (1) characterized by The circuit breaker device (1) comprises the busbar device (2) and the plug-in device (11) of any one of claims 1 to 8, the circuit breaker device (12) is provided with a plurality of connection ends corresponding to the connection pieces (111) one by one, and the first end (11111) is connected to the connection end.

10. A power distribution device, characterized by, The circuit breaker device (1) comprises the busbar device (2) and the plug-in device (11) of any one of claims 1 to 8, the circuit breaker device (12) is provided with a plurality of connection ends corresponding to the connection pieces (111) one by one, and the first end (11111) is connected to the connection end.

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