Laminated disconnecting switch

Abstract

The invention discloses a laminated isolating switch, and relates to the technical field of low-voltage electrics. The switch comprises a shell, an operating mechanism arranged in the shell and at least two contact pole units, and the at least two contact pole units are arranged in a spaced and stacked mode in the height direction of the shell. The contact pole unit comprises at least two contact parts which are sequentially arranged along the width direction of the shell; the contact parts comprise a static contact group and a moving contact group; the operating mechanism is arranged between any two adjacent contact pole units and is positioned at the end parts of the contact pole units; the operating mechanism comprises an operating part and a transmission part which are in transmission connection, and one transmission part is arranged between any two adjacent contact pole units; the transmission part is in driving connection with the moving contact group, and the operation part extends out of the shell along the height direction of the shell; the operation part is driven to drive the transmission part to move, and then the moving contact group is driven to move along the width direction of the shell so as to be in contact with the static contact group for closing. According to the laminated isolating switch, the size of the device is reduced, the production cost is saved, and miniaturization and application diversification are realized.

Description

Technical Field

[0001] The invention relates to the field of low-voltage electrical technology, and in particular to a stacked isolating switch. Background Art

[0002] The stacked disconnector is usually assembled by stacking multiple contact pole units. Each contact pole unit is generally composed of a contact system, insulating components, etc. Through the stacking method, multiple contact poles can be combined in a limited space to meet the needs of different power systems.

[0003] The multiple contact pole units in the existing stacked disconnector are separately controlled by multiple independent operating mechanisms, and are connected to the multiple operating mechanisms through the side operating handle. The multiple operating mechanisms are driven to move synchronously by turning the side operating handle, thereby realizing the opening and closing operations of the contact assemblies of the multiple contact pole units. However, such a setting method leads to a complex overall structure of the disconnector and a large device size, which is difficult to meet the installation requirements in some application scenarios with high space requirements. Summary of the invention

[0004] The object of the present invention is to provide a stacked isolating switch, which can drive the opening and closing of multiple contact pole units simultaneously through a set of operating mechanisms, thereby reducing the size of the device and achieving miniaturization and diversified application of the device.

[0005] The embodiment of the present invention is achieved as follows:

[0006] According to one aspect of the present invention, there is provided a stacked isolating switch, comprising a shell, an operating mechanism arranged in the shell and at least two contact pole units, wherein the at least two contact pole units are stacked and arranged at intervals along the height direction of the shell; the contact pole unit comprises at least two contact parts arranged in sequence along the width direction of the shell, and the contact parts comprise a stationary contact group and a moving contact group; the operating mechanism is arranged between any two adjacent contact pole units and is located at the ends of the contact pole units; the operating mechanism comprises an operating part and a transmission part connected in a transmission manner, wherein a transmission part is provided between any two adjacent contact pole units; the transmission part is drivingly connected to the moving contact group, and the operating part extends to the outside of the shell along the height direction of the shell; the operating part is driven to drive the transmission part to move, thereby driving the moving contact group to move along the width direction of the shell to contact and close the circuit breaker with the stationary contact group.

[0007] Optionally, the operating part includes a main shaft extending along the height direction of the shell, and the transmission part includes a transmission connecting rod, a driving connecting rod and a main spring connecting rod; the driving connecting rod and the transmission connecting rod are coaxially rotatably connected through the main shaft; the outer wall of the main spring connecting rod is sleeved with an energy storage assembly; the main spring connecting rod and the transmission connecting rod are coaxially rotatably connected through the transmission rod, and the opposite ends of the transmission rod are sleeved with transmission parts, which abut against the energy storage assembly; the energy storage assembly can release energy to drive the transmission part to move, so as to drive the moving contact group to move along the width direction of the shell.

[0008] Optionally, the housing includes a top cover, at least one sub-housing, and a base that are sequentially connected in the height direction. Insulating cavities are formed between the adjacent top cover and sub-housing, any two adjacent sub-housings, and the adjacent sub-housing and base. A contact pole unit is disposed in any one of the insulating cavities.

[0009] Optionally, the top cover is provided with a through hole, and the main shaft passes through the through hole and extends outside the housing; a limiting portion is convexly provided on the outer wall of the main shaft, and the end face of the limiting portion can abut against the end face of the through hole.

[0010] Optionally, a limiting sleeve is sleeved on the side of the limiting portion facing the through hole, and the limiting sleeve is disposed between the end face of the through hole and the end face of the limiting portion.

[0011] Optionally, the transmission member includes a plurality of rolling bearings, and the plurality of rolling bearings are stacked and sleeved on the outer wall of the transmission rod; the transmission rod is located between any two adjacent contact pole units, and when the energy storage assembly releases energy, the plurality of rolling bearings at the opposite ends of the transmission rod can respectively drive the moving contact groups of the corresponding contact pole units to move in the horizontal direction.

[0012] Optionally, the contact pole unit further includes a slider, and the moving contact group is connected to the slider; a groove is provided on the side of the slider facing the transmission portion, and at least a part of the transmission member is disposed in the groove; when the energy storage assembly releases energy, it can drive the transmission member to move, so that the transmission member abuts against the side wall of the groove and drives the slider to drive the moving contact group to move in the width direction of the housing.

[0013] Optionally, the slider further includes a reinforcing member attached to the inner wall of the groove.

[0014] Optionally, the slider further includes a reinforcing column embedded in the periphery of the groove.

[0015] Optionally, the moving contact group includes two moving contacts respectively disposed on opposite sides of the slider, and the connection direction of the two moving contacts is perpendicular to the moving direction of the slider; the static contact group includes an incoming line static contact plate and an outgoing line static contact plate that are spaced apart, and the incoming line static contact plate and the outgoing line static contact plate can be respectively connected to the two moving contacts; the incoming line static contact plates or the outgoing line static contact plates of at least two contact heads of the contact pole unit are connected in parallel through a copper bar; or, the incoming line static contact plates or the outgoing line static contact plates of at least two contact heads of any two contact pole units are connected in parallel through a copper bar.

[0016] The beneficial effects of the present invention include:

[0017] On one hand of the present invention, a stacked disconnector is provided, which includes a housing, an operating mechanism disposed inside the housing, and at least two contact pole units. The at least two contact pole units are arranged at intervals and stacked in the height direction of the housing, enabling the combination of multiple contact pole units within a limited space to meet the requirements of different power systems. Each contact pole unit includes at least two contact heads arranged in sequence in the width direction of the housing, and each contact head includes a static contact group and a moving contact group. The operating mechanism is disposed between any two adjacent contact pole units and at the end of the contact pole unit. The operating mechanism includes an operating part and a transmission part that are drivingly connected, and there is one transmission part between any two adjacent contact pole units. The transmission part is drivingly connected to the moving contact group, and the operating part extends in the height direction of the housing to the outside of the housing. The operating part is driven to drive the transmission part to move, thereby driving the moving contact group to move in the width direction of the housing to contact and close with the static contact group. Through such a layout, it is possible to simultaneously open and close multiple contact pole units using one operating mechanism. Compared with the prior art, the stacked disconnector of the present application can save at least one set of operating mechanism, side operating handle, and its protective housing, reducing the volume of the device while saving production costs, and achieving miniaturization and diverse applications of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 FIG. 1 is one of the structural schematic diagrams of the stacked disconnector provided by the embodiment of the present invention;

[0020] Figure 2 FIG. 2 is a cross-sectional view of the stacked disconnector provided by the embodiment of the present invention;

[0021] Figure 3 FIG. 3 is an enlarged detailed view of part A;

[0022] Figure 4 FIG. 4 is another structural schematic diagram of the stacked disconnector provided by the embodiment of the present invention;

[0023] Figure 5 FIG. 5 is a third structural schematic diagram of the stacked disconnector provided by the embodiment of the present invention;

[0024] Figure 6 FIG. 6 is a structural schematic diagram of the operating mechanism of the stacked disconnector provided by the embodiment of the present invention;

[0025] Figure 7One of the schematic structural diagrams of the slider of the stacked disconnect switch provided by the embodiment of the present invention;

[0026] Figure 8 Another schematic structural diagram of the slider of the stacked disconnect switch provided by the embodiment of the present invention.

[0027] Icon: 100 - Stacked disconnect switch; 110 - Housing; 111 - Top cover; 112 - Sub - housing; 113 - Base; 120 - Operating mechanism; 121 - Operating part; 1211 - Main shaft; 1212 - Limiting part; 1212a - Limiting sleeve; 122 - Transmission part; 1221 - Transmission connecting rod; 1221a - Driving column; 1222 - Driving link; 1222a - Waist - shaped hole; 1223 - Main spring connecting rod; 1224 - Energy storage component; 1224a - Energy storage piece; 1224b - Energy storage spring; 1225 - Transmission rod; 1226 - Transmission part; 1226a - Rolling bearing; 130 - Contact pole unit; 131 - Static contact group; 1311 - Incoming line static contact plate; 1312 - Outgoing line static contact plate; 132 - Moving contact group; 1321 - Moving contact; 133 - Slider; 1331 - Groove; 1332 - Reinforcing piece; 1333 - Reinforcing column; a - Height direction; b - Width direction. Detailed implementation manners

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0030] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0032] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0034] Please refer to Figure 1 and Figure 4 , this embodiment provides a stacked disconnect switch 100, which includes a housing 110, an operating mechanism 120 disposed in the housing 110, and at least two contact pole units 130. The at least two contact pole units 130 are arranged at intervals and stacked along the height direction a of the housing 110; the contact pole unit 130 includes at least two contact heads arranged in sequence along the width direction b of the housing 110, and the contact head includes a static contact group 131 and a moving contact group 132; the operating mechanism 120 is disposed between any two adjacent contact pole units 130 and is located at the end of the contact pole unit 130; the operating mechanism 120 includes an operating part 121 and a transmission part 122 that are drivingly connected, and a transmission part 122 is provided between any two adjacent contact pole units 130; the transmission part 122 is drivingly connected to the moving contact group 132, and the operating part 121 extends along the height direction a of the housing 110 to the outside of the housing 110; the operating part 121 is driven to drive the transmission part 122 to move, and then drive the moving contact group 132 to move along the width direction b of the housing 110 to contact and close with the static contact group 131.

[0035] Specifically, the stacked isolating switch 100 includes a housing 110, and the housing 110 has at least two contact pole units 130 stacked and arranged at intervals along the height direction a of the housing 110, so as to effectively increase the number of contact pole units 130 in a limited space, and improve the practicality and functional diversity of the device. The stacked isolating switch 100 also includes an operating mechanism 120 arranged in the housing 110, and the operating mechanism 120 is arranged between any two adjacent contact pole units 130.

[0036] Each contact pole unit 130 includes at least two contact parts arranged in sequence along the width direction b of the housing 110, and each contact part is arranged in order with a preset interval. The contact part includes a stationary contact group 131 and a moving contact group 132, and the moving contact group 132 can move relative to the stationary contact group 131 along the width direction b of the housing 110 to contact and close the circuit breaker with the stationary contact group 131. The operating mechanism 120 is located at the end of the contact pole unit 130, so that the multiple contact parts of the contact pole unit 130 are all located on the same side of the operating mechanism 120, so as to drive the moving contact group 132 to move.

[0037] like Figure 4 As shown, in a specific embodiment of the present application, the stacked disconnector 100 has two contact pole units 130 and an operating mechanism 120, and each contact pole unit 130 includes two contact parts. The operating mechanism 120 is located between the two contact pole units 130 and at the end of the contact pole unit 130. The operating mechanism 120 is connected to the moving contact group 132, and can simultaneously drive the moving contact group 132 with a total of four contact parts, thereby closing the two contact pole units 130.

[0038] Each contact pole unit of the existing stacked disconnector has a corresponding operating mechanism, each operating mechanism is used to realize the opening and closing control of a corresponding contact pole unit, and is connected to multiple operating mechanisms through a side operating handle, and the multiple operating mechanisms are driven to move synchronously by rotating the side operating handle, thereby realizing the opening and closing operation of the contact components of multiple contact pole units, resulting in a large footprint, large volume, and increased production cost. The stacked disconnector 100 of the present application, through a clever layout and transmission relationship, only needs one operating mechanism 120 to realize the opening and closing operation of multiple contact pole units 130, greatly reducing the volume and production cost.

[0039] Moreover, the operating mechanism 120 includes an operating part 121 and a transmission part 122 which are in transmission connection. The transmission part 122 is in transmission connection with the moving contact group 132 to drive the moving contact group 132 to move along the width direction b of the housing 110. The operating part 121 extends along the height direction a of the housing 110 to the outside of the housing 110, and an operator can directly drive the operating mechanism 120 to move through the operating part 121. Compared with the prior art, the operating mechanism 120 is arranged in the middle of the housing 110, and the application of the side operating handle is omitted, further reducing the volume of the device and the production cost.

[0040] It should be noted that in an implementable mode of the present application, first, as Figure 2 shown, the housing 110 includes a top cover 111, at least one sub-housing 112, and a base 113 that are sequentially connected along the height direction a. Insulating cavities are formed between the adjacent top cover 111 and the sub-housing 112, between any two adjacent sub-housings 112, and between the adjacent sub-housing 112 and the base 113. A contact pole unit 130 is provided in any one of the insulating cavities.

[0041] Specifically, as Figure 2 shown, the housing 110 is formed by sequentially connecting the top cover 111, the sub-housing 112, and the base 113. Among them, the number of sub-housings 112 is at least one, and its specific number can be increased or decreased according to the number of contact pole units 130. Among them, an insulating cavity can be formed between the top cover 111 and the adjacent sub-housing 112, and an insulating cavity can be formed between the base 113 and the adjacent sub-housing 112. When the number of sub-housings 112 is multiple, an insulating cavity can also be formed between two adjacent sub-housings 112. A contact pole unit 130 is arranged in each insulating cavity, so as to ensure that the contact pole units 130 are isolated from each other, avoid problems such as electrical interference and short circuit between different contact pole units 130, and ensure the safety and stability of power transmission.

[0042] Second, the stacked disconnecting switch 100 includes at least two contact pole units 130, and the present application does not make any limitation on the specific number of the contact pole units 130, which can be adjusted according to the requirements of different power systems. And each contact pole unit 130 includes at least two contact parts. Similarly, the number of contact parts can be adjusted. As Figure 4 shown, the two contact parts of the contact pole unit 130 along the width direction b of the housing 110 are both located on the same side of the operating mechanism 120 and are arranged in sequence. Of course, the number of contact parts can be increased according to the actual requirements of the stacked disconnecting switch 100 to expand the current capacity.

[0043] Through the above layout method, the stacked disconnect switch 100 provided in this application can use one operating mechanism 120 to simultaneously realize the opening and closing of multiple contact pole units 130. Compared with the prior art, the stacked disconnect switch 100 of this application can save at least one set of operating mechanism 120, side operating handle and its protective housing 110, reduce the volume of the device while saving production costs, and achieve miniaturization and diverse applications of the device.

[0044] Exemplarily, as Figure 2 , Figure 5 and Figure 6 shown, the operating part 121 includes a main shaft 1211 extending along the height direction a of the housing 110, and the transmission part 122 includes a transmission link 1221, a driving link 1222 and a main spring link 1223; the driving link 1222 and the transmission link 1221 are coaxially rotatably connected through the main shaft 1211; an energy storage assembly 1224 is sleeved on the outer wall of the main spring link 1223; the main spring link 1223 and the transmission link 1221 are coaxially rotatably connected through a transmission rod 1225, transmission parts 1226 are sleeved on the opposite ends of the transmission rod 1225, and the transmission parts 1226 are abutted against the energy storage assembly 1224; the energy release of the energy storage assembly 1224 can drive the transmission parts 1226 to move, so as to drive the moving contact group 132 to move along the width direction b of the housing 110.

[0045] Specifically, as Figure 2 , Figure 5 and Figure 6 shown, the operating part 121 of the operating mechanism 120 includes a main shaft 1211, and the transmission part 122 includes a transmission link 1221, a driving link 1222 and a main spring link 1223 arranged in the housing 110; the main shaft 1211 extends along the height direction a of the housing 110 to the outside of the housing 110, and an operator can drive the transmission part 122 to move through the main shaft 1211, effectively saving the volume of the device and improving the space utilization rate. Preferably, in order to facilitate the rotation of the main shaft 1211, a handle can be sleeved on the end of the main shaft 1211.

[0046] Among them, as Figure 6 shown, the driving link 1222 and the transmission link 1221 are coaxially rotatably connected through the main shaft 1211, a kidney-shaped hole 1222a is formed in the driving link 1222, and a driving column 1221a is convexly arranged on the transmission link 1221 corresponding to the kidney-shaped hole 1222a, and the driving column 1221a is arranged in the kidney-shaped hole 1222a; an energy storage assembly 1224 is sleeved on the outer wall of the main spring link 1223, and the energy storage assembly 1224 includes an energy storage member 1224a and an energy storage spring 1224b arranged in the energy storage member 1224a; the main spring link 1223 and the transmission link 1221 are coaxially rotatably connected through a transmission rod 1225, and the side wall of the transmission part 1226 is abutted against the outer wall of the energy storage member 1224a.

[0047] When the main shaft 1211 is driven to rotate, it can synchronously drive the driving link 1222 to rotate. When the side wall of the kidney-shaped hole 1222a abuts against the driving column 1221a, the transmission link 1221 can be synchronously driven to rotate by the driving column 1221a. During the rotation process, the side wall of the transmission member 1226 abuts against the outer wall of the energy storage member 1224a, thereby compressing the energy storage spring 1224b, and the energy storage spring 1224b stores energy; when the main shaft 1211 drives the driving link 1222 and the transmission link 1221 to rotate past the neutral point of the energy storage spring 1224b, the energy storage spring 1224b releases energy and drives the driving link 1222, the transmission link 1221 and the transmission member 1226 to move synchronously until the transmission member 1226 abuts against the moving contact group 132 and drives the moving contact group 132 to move along the width direction b of the housing 110.

[0048] Through such a setting method, the transmission part 122 forms a two-link structure. Compared with the link that requires an additional side operating handle in the prior art, the link structure of this application is more concise, resulting in a greater operating force and a more relaxed process of operating opening and closing.

[0049] When assembling the transmission part of the existing stacked disconnecting switch, the driving link and the transmission link are usually penetrated by screws from bottom to top along the height direction a of the housing, so as to coaxially arrange the driving link and the transmission link in this upside-down fixed manner. Such an installation method not only has a large difficulty and low assembly accuracy, but also has a poor limiting effect; while in this application, through the setting of the main shaft 1211, the transmission part 122 can be first arranged in the housing 110 and then the main shaft 1211 is installed. The installation method of sequential fixing has a lower difficulty, is convenient for assembly and has a high accuracy; and the main shaft 1211 extends along the height direction a of the housing 110 to the outside of the housing 110, and can be limited and fixed by the housing 110. Compared with screw fixing, its limiting effect is better.

[0050] It should be noted that in an implementable manner of this application, as Figure 2 and Figure 3 shown, the top cover 111 is provided with a through hole, and the main shaft 1211 passes through the through hole and extends to the outside of the housing 110; a limiting portion 1212 is convexly provided on the outer wall of the main shaft 1211, and the end face of the limiting portion 1212 can abut against the end face of the through hole.

[0051] Specifically, in order to prevent the main shaft 1211 from sliding up and down along the height direction a of the housing 110 after passing through the housing 110, as Figure 2 and Figure 3 shown, a limiting portion 1212 is convexly provided on the outer wall of the main shaft 1211. The limiting portion 1212 is in the shape of a convex platform, and its table surface can just abut against the end face of the through hole, thereby preventing the main shaft 1211 from being pulled out from the through hole during operation.

[0052] Optionally, in order to further improve the assembly stability of the main shaft 1211, as Figure 3 shown, a limiting sleeve 1212a is sleeved on one side of the limiting portion 1212 facing the through hole. The limiting sleeve 1212a is a sheet-like structure with a certain thickness, and the limiting sleeve 1212a is arranged between the end face of the through hole and the end face of the limiting portion 1212, and its end face can be abutted against the end face of the through hole. In a specific embodiment of the present application, the limiting sleeve 1212a is a brass sleeve. Due to the special nature of its material, the brass sleeve itself has good lubrication effect, which can not only improve the assembly stability and limiting effect of the main shaft 1211, but also further improve the use flexibility and reliability of the operating mechanism 120.

[0053] Exemplarily, as Figure 6 shown, the transmission member 1226 includes a plurality of rolling bearings 1226a, and the plurality of rolling bearings 1226a are stacked and sleeved on the outer wall of the transmission rod 1225; the transmission rod 1225 is located between any two adjacent contact pole units 130, and when the energy storage component 1224 releases energy, the plurality of rolling bearings 1226a at the opposite ends of the transmission rod 1225 can respectively drive the moving contact groups 132 of the corresponding contact pole units 130 to move along the horizontal direction b.

[0054] Specifically, since the operating mechanism 120 is located between two adjacent contact pole units 130, in order to synchronously realize the opening and closing of the contact heads of the contact pole units 130 on both sides of the operating mechanism 120, transmission members 1226 are sleeved on both opposite ends of the transmission rod 1225, so as to respectively drive the moving contact groups 132 on the upper and lower sides of the transmission rod 1225 to move along the width direction b of the housing 110 through the transmission members 1226.

[0055] Most of the transmission rods of the existing stacked disconnectors are cylinders. When the energy storage spring releases energy, the moving contact group is driven by the sliding friction force of the cylinder; while the transmission member of the present application is a plurality of stacked rolling bearings 1226a, as Figure 6 shown, when the energy storage spring 1224b releases energy, the plurality of rolling bearings 1226a can drive the moving contact group 132 to move along the width direction b of the housing 110 by means of rolling friction force. Compared with the existing driving method, such a driving method only requires a smaller driving force to realize the opening and closing process of the stacked disconnector 100, improving the use convenience.

[0056] In an implementable embodiment of the present application, as Figure 5 and Figure 7As shown, the contact pole unit 130 further includes a slider 133, and the moving contact group 132 is connected to the slider 133; a groove 1331 is provided on one side of the slider 133 facing the transmission part 122, and at least part of the transmission member 1226 is disposed in the groove 1331; when the energy storage assembly 1224 releases energy, it can drive the transmission member 1226 to move, so that the transmission member 1226 abuts against the side wall of the groove 1331, and drives the slider 133 to drive the moving contact group 132 to move along the width direction b of the housing 110.

[0057] Specifically, as Figure 5 and Figure 7 shown, the contact pole unit 130 further includes a slider 133. The slider 133 has a rectangular body structure extending along the width direction b of the housing 110 and can move along the extending direction of the housing 110 in the insulating cavity; a plurality of accommodating parts are uniformly arranged on the slider 133 along the width direction b of the housing 110. The number of the accommodating parts corresponds to the number of the contact heads of the contact pole unit 130 one by one, and a moving contact group 132 is arranged in each accommodating part. When the slider 133 moves, it can drive the moving contact group 132 to move synchronously.

[0058] As Figure 5 and Figure 7 shown, a groove 1331 is provided on one side of the slider 133 facing the transmission part 122 of the operating mechanism 120. The groove 1331 is located at the end of the slider 133 to be opposite to the position of the operating mechanism 120; the surface of the groove 1331 facing the transmission part 122 is communicated with the outside to ensure that at least part of the transmission member 1226 can be disposed in the groove 1331. When the energy storage assembly 1224 releases energy, it can drive the transmission member 1226 to move towards the groove 1331 and abut against the side wall of the groove 1331, and drive the slider 133 to drive the moving contact group 132 to move along the extending direction of the housing 110 through the reaction force of the transmission member 1226, so that the transmission process of the moving contact group 132 is more efficient and reliable.

[0059] It should be noted that, in an implementable manner of the present application, first, as Figure 7 and Figure 8 shown, in order to improve the strength and reliability of the slider 133, the slider 133 further includes a reinforcing member 1332 attached to the inner wall of the groove 1331. The shape and structure of the reinforcing member 1332 are adapted to the shape and structure of the groove 1331 to cover the side wall and the bottom of the groove 1331, avoiding the slider 133 being damaged due to the reaction force of the transmission member 1226, and improving the overall reliability of the laminated disconnector 100. Preferably, the reinforcing member 1332 can be made of a material with relatively high strength, such as steel and the like.

[0060] Second, in order to further improve the strength and reliability of the slider 133, as Figure 8As shown, the slider 133 further includes reinforcing columns 1333 embedded in the periphery of the groove 1331. The number of the reinforcing columns 1333 is multiple, and the multiple reinforcing columns 1333 are embedded in the side wall of the groove 1331 to surround the periphery of the groove 1331, so as to prevent the slider 133 from being damaged due to the reaction force of the transmission member 1226. Preferably, the reinforcing columns 1333 can be made of materials with higher strength, such as steel and the like.

[0061] Compared with the prior art which increases a buffer rubber pad outside the side wall of the groove 1331, the laminated disconnector 100 of the present application adopts the reinforcing columns 1333 and the reinforcing member 1332 to improve the strength and reliability of the slider 133, saves the production cost, and has better strength.

[0062] Exemplarily, as Figure 4 and Figure 7 shown, the moving contact group 132 includes two clamping moving contacts 1321 which are respectively arranged on opposite sides of the slider 133, and the connecting line direction of the two clamping moving contacts 1321 is perpendicular to the moving direction of the slider 133; the static contact group 131 includes an incoming line static contact plate 1311 and an outgoing line static contact plate 1312 which are arranged at intervals, and the two clamping moving contacts 1321 are respectively clamped and connected with the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 to form an electrical circuit.

[0063] Specifically, as Figure 4 and Figure 7 shown, the moving contact group 132 includes two clamping moving contacts 1321 which are respectively arranged on opposite sides of the slider 133. Correspondingly, the static contact group 131 includes an incoming line static contact plate 1311 and an outgoing line static contact plate 1312 which are arranged at intervals, and the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 respectively correspond to the positions of the two clamping moving contacts 1321; when the slider 133 moves along the width direction b of the housing 110, the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 can be respectively clamped and connected by the two clamping moving contacts 1321 located on both sides of the slider 133 to form an electrical circuit. Wherein, both the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 extend to the outside of the housing 110 to facilitate the connection of the incoming line copper bar and the outgoing line copper bar.

[0064] Among them, since the operating mechanism 120 is located at the end of the contact pole unit 130, and the multiple moving contact groups 132 are all located on the same side of the operating mechanism 120 and are evenly arranged along the moving direction of the slider 133, no matter whether the slider 133 is driven to move in the closing direction or the opening direction of the contact head part, the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 will always be located on the opposite sides of the slider 133, and voltage breakdown will not occur due to the lack of the slider 133 interval between the incoming line static contact plate 1311 and the outgoing line static contact plate 1312. In the existing stacked disconnector, the operating mechanism is arranged in the middle of the slider. When the slider is driven to move in the opening direction, the static contact group at the outermost end may cause no shielding between the incoming line static contact plate and the outgoing line static contact plate due to the movement of the slider, resulting in voltage breakdown. In order to avoid such problems, it is also necessary to additionally provide an insulating part at the end of the slider to ensure that there is always shielding between the incoming line static contact plate and the outgoing line static contact plate. Therefore, by arranging the operating mechanism 120 at the end of the contact pole unit 130 in this application, it can be ensured that the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 will always be located on the opposite sides of the slider 133 when the slider 133 moves, saving the setting of the insulating part compared with the existing stacked disconnector, saving production costs and further reducing the volume of the device.

[0065] Optionally, since the incoming line static contact plate 1311 and the outgoing line static contact plate 1312 of each contact pole unit 130 of the contact pole unit 130 extend outside the housing 110, parallel wiring in the width direction b of the housing 110 and parallel wiring in the vertical direction of at least two contact head parts can be realized, improving the flexibility of wiring. The incoming line static contact plates 1311 or the outgoing line static contact plates 1312 of at least two contact head parts are connected in parallel through a copper bar; or, the incoming line static contact plates 1311 or the outgoing line static contact plates 1312 of at least two contact head parts of any two contact pole units 130 are connected in parallel through a copper bar.

[0066] The above are only optional embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0067] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, without conflict, they can be combined in any suitable way. To avoid unnecessary repetition, the present invention will not separately describe various possible combination methods.

Claims

1. A stacked isolating switch, characterized in that: The invention comprises a housing (110), an operating mechanism (120) arranged in the housing (110), and at least two contact pole units (130), wherein the at least two contact pole units (130) are arranged in a stacked manner along a height direction (a) of the housing (110); the contact pole unit (130) comprises at least two contact parts arranged in sequence along a width direction (b) of the housing (110), and the contact parts comprise a stationary contact group (131) and a moving contact group (132); the operating mechanism (120) is arranged between any two adjacent contact pole units (130) and is located at the ends of the contact pole units (130); The operating mechanism (120) comprises an operating part (121) and a transmission part (122) which are connected in a transmission manner, wherein one transmission part (122) is provided between any two adjacent contact pole units (130); the transmission part (122) is drive-connected to the moving contact group (132), and the operating part (121) extends outside the housing (110) along a height direction (a) of the housing (110); the operating part (121) is driven to drive the transmission part (122) to move, thereby driving the moving contact group (132) to move along a width direction (b) of the housing (110) to contact and close the circuit breaker with the stationary contact group (131).

2. The stacked isolating switch according to claim 1, characterized in that: The operating part (121) comprises a main shaft (1211) extending along the height direction (a) of the housing (110); the transmission part (122) comprises a transmission connecting rod (1221), a driving connecting rod (1222) and a main spring connecting rod (1223); the driving connecting rod (1222) and the transmission connecting rod (1221) are coaxially rotatably connected via the main shaft (1211); an energy storage assembly (1224) is sleeved on an outer wall of the main spring connecting rod (1223); The main spring connecting rod (1223) and the transmission connecting rod (1221) are coaxially rotatably connected via a transmission rod (1225); transmission members (1226) are sleeved on opposite ends of the transmission rod (1225); the transmission member (1226) is in abutment with the energy storage component (1224); the energy storage component (1224) releases energy to drive the transmission member (1226) to move, thereby driving the moving contact group (132) to move along the width direction (b) of the housing (110).

3. The stacked isolating switch according to claim 2, characterized in that: The housing (110) comprises a top cover (111), at least one sub-housing (112) and a base (113) which are sequentially connected along a height direction (a); the adjacent top covers (111) and the sub-housings (112), any two adjacent sub-housings (112), and the adjacent sub-housings (112) and the base (113) form an insulating cavity; and a contact pole unit (130) is provided in any one of the insulating cavities.

4. The stacked isolating switch according to claim 3, characterized in that: The top cover (111) is provided with a through hole, and the main shaft (1211) is inserted through the through hole and extends from the through hole to the outside of the shell (110); a limiting portion (1212) is protruding from the outer wall of the main shaft (1211), and the end face of the limiting portion (1212) can abut against the end face of the through hole.

5. The stacked isolating switch according to claim 4, characterized in that: A limiting sleeve (1212a) is sleeved on one side of the limiting portion (1212) facing the through hole, and the limiting sleeve (1212a) is arranged between the end surface of the through hole and the end surface of the limiting portion (1212).

6. The stacked isolating switch according to claim 2, characterized in that: The transmission member (1226) comprises a plurality of rolling bearings (1226a), and the plurality of rolling bearings (1226a) are stacked and sleeved on the outer wall of the transmission rod (1225); the transmission rod (1225) is located between any two adjacent contact pole units (130), and the energy storage component (1224) releases energy to enable the plurality of rolling bearings (1226a) at opposite ends of the transmission rod (1225) to respectively drive the corresponding moving contact group (132) of the contact pole unit (130) to move in a horizontal direction.

7. The stacked isolating switch according to claim 3, characterized in that: The contact pole unit (130) further comprises a slider (133), and the moving contact group (132) is connected to the slider (133); a groove (1331) is provided on a side of the slider (133) facing the transmission part (122), and the transmission member (1226) is at least partially arranged in the groove (1331); the energy storage component (1224) releases energy to drive the transmission member (1226) to move, so that the transmission member (1226) abuts against the side wall of the groove (1331), and drives the slider (133) to drive the moving contact group (132) to move along the width direction (b) of the housing (110).

8. The stacked isolating switch according to claim 7, characterized in that: The sliding block (133) further comprises a reinforcing member (1332) attached to the inner wall of the groove (1331).

9. The stacked isolating switch according to claim 7, characterized in that: The sliding block (133) further comprises a reinforcing column (1333) embedded in the periphery of the groove (1331).

10. The stacked isolating switch according to claim 7, characterized in that: The moving contact group (132) comprises two moving contacts (1321) respectively arranged on opposite sides of the slider, and the connection direction of the two moving contacts (1321) is perpendicular to the movement direction of the slider (133); the stationary contact group (131) comprises an incoming stationary contact plate (1311) and an outgoing stationary contact plate (1312) arranged at intervals, and the incoming stationary contact plate (1311) and the outgoing stationary contact plate (1312) can be connected to the two moving contacts (1321) respectively; the incoming stationary contact plates (1311) or the outgoing stationary contact plates (1312) of at least two contact parts of the contact pole unit (130) are connected in parallel through a copper busbar; or, the incoming stationary contact plates (1311) or the outgoing stationary contact plates (1312) of at least two contact parts of any two contact pole units (130) are connected in parallel through a copper busbar.

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