Arc extinguishing assembly, switch module and isolating switch

Abstract

The utility model discloses an arc extinguishing assembly, a switch module and an isolation switch, the arc extinguishing assembly comprises a plurality of arc extinguishing units, the plurality of arc extinguishing units enclose to form an installation space, each arc extinguishing unit comprises an arc striking assembly and a plurality of arc extinguishing chambers arranged in sequence, the arc striking assembly comprises a first arc striking assembly and a second arc striking assembly, the arc extinguish chambers are electrically connected with the installation space through a first arc striking assembly, the plurality of arc extinguish chambers are electrically connected through a second arc striking assembly, each arc extinguish chamber comprises a plurality of arc extinguish grid sheets which are sequentially arranged at intervals along a first direction, and the first direction is perpendicular to the arrangement direction of the plurality of arc extinguish chambers. According to the arc extinguishing assembly, the switch module and the isolation switch, the overall capacity of the arc extinguishing assembly is large, electric arcs generated in the arc extinguishing assembly can be fully cut, and the effect of complete arc extinguishing is achieved.

Description

Technical Field

[0001] The present application belongs to the technical field of electrical equipment, and in particular relates to an arc extinguishing component, a switch module and an isolating switch. Background Art

[0002] The isolating switch usually uses a rotating contact assembly to perform the opening and closing operations of the switch, and an arc extinguishing chamber is provided on the outer peripheral surface of the contact assembly. When the contact assembly rotates to open the switch, the arc can enter the arc extinguishing chamber for arc extinguishing.

[0003] At present, the internal space of the disconnector is relatively limited. When setting an arc extinguishing chamber in the disconnector, the arc extinguishing grids can only be arranged in sequence along the circumference of the contact assembly. However, under the requirements of high voltage and high current interruption, more grids need to be stacked to extinguish the arc. In this way, the circumferential stacking angle of the grids is much larger than the movement angle of the moving contact, making it difficult for the arc root on the moving contact to be transferred to the grid outside the movement angle of the moving contact, resulting in low grid utilization and failure to achieve a complete arc extinguishing effect. Utility Model Content

[0004] The present application provides an arc extinguishing component, a switch module and an isolating switch. The overall capacity of the arc extinguishing component is large, and the arc generated inside can be fully cut to achieve the effect of complete arc extinguishing.

[0005] The present application provides an arc extinguishing assembly, wherein the arc extinguishing assembly includes a plurality of arc extinguishing units, the plurality of arc extinguishing units enclose an installation space, the arc extinguishing unit includes an arc striking assembly and a plurality of arc extinguishing chambers arranged in sequence, the arc striking assembly includes a first arc striking assembly and a second arc striking assembly, the arc extinguishing chamber is electrically connected to the installation space via the first arc striking assembly, the plurality of arc extinguishing chambers are electrically connected via the second arc striking assembly, each arc extinguishing chamber includes a plurality of arc extinguishing grids arranged in sequence at intervals along a first direction, and the first direction is perpendicular to the arrangement direction of the plurality of arc extinguishing chambers.

[0006] As the arc extinguishing assembly above, the second arc striking assembly includes a plurality of intermediate arc striking plates arranged in sequence along the arrangement direction of the arc extinguishing chamber, two adjacent arc extinguishing chambers are electrically connected through an intermediate arc striking plate, and adjacent intermediate arc striking plates are respectively arranged on both sides of the arc extinguishing unit along the first direction.

[0007] As above arc extinguishing assembly, wherein the arc extinguishing unit also includes an isolation assembly, the isolation assembly includes a plurality of first insulating partitions, the first insulating partitions are arranged between two adjacent arc extinguishing chambers, the plurality of first insulating partitions are arranged one-to-one with a plurality of intermediate arc-striking pieces, the first insulating partitions are spaced from the corresponding intermediate arc-striking pieces and form a first arc-crossing channel, and the first arc-crossing channel is used to connect two adjacent arc extinguishing chambers.

[0008] As above arc extinguishing assembly, wherein the first arc striking assembly includes a first arc striking plate and a second arc striking plate. Along the arrangement direction of multiple arc extinguishing chambers, the arc extinguishing chamber at one end is electrically connected to the installation space through the first arc striking plate, and the arc extinguishing chamber at the other end is electrically connected to the installation space through the second arc striking plate.

[0009] As above arc extinguishing assembly, wherein the arc extinguishing unit also includes an isolation assembly, and the isolation assembly also includes two second insulating partitions, one second insulating partition is arranged between the first arc-striking plate and the arc-extinguishing chamber, and the other second insulating partition is arranged between the second arc-striking plate and the arc-extinguishing chamber, the two second insulating partitions are respectively arranged to be spaced apart from the first arc-striking plate and the second arc-striking plate to form two second arc-crossing channels, and the second arc-crossing channels are used to connect the installation space and the arc-extinguishing chamber.

[0010] As the arc-extinguishing assembly above, the first arc-striking piece includes a first arc-striking portion and a second arc-striking portion that are bent and connected, the first arc-striking portion is parallel to the second insulating partition, and the second arc-striking portion is parallel to the arc-extinguishing grid.

[0011] In the arc-extinguishing assembly as above, the second arc-striking piece includes a third arc-striking portion and a fourth arc-striking portion that are bent and connected, the third arc-striking portion is parallel to the second insulating partition, and the fourth arc-striking portion is parallel to the arc-extinguishing grid.

[0012] As above arc extinguishing assembly, wherein the arc extinguishing assembly includes two arc extinguishing units, multiple arc extinguishing chambers in each arc extinguishing unit are arranged in sequence in an arc structure, and the cross-section of the installation space enclosed by the two arc extinguishing units is a circular structure.

[0013] As above, the arc extinguishing assembly includes multiple arc extinguishing units, multiple arc extinguishing chambers in each arc extinguishing unit are arranged in a straight line structure, adjacent arc extinguishing units are bent and connected at a preset angle, and the cross-section of the installation space enclosed by the multiple arc extinguishing units is a polygonal structure.

[0014] On the other hand, the present application also provides a switch module, which includes the above-mentioned arc extinguishing assembly, and the switch module also includes: a contact assembly, which is arranged in the installation space, the contact assembly includes a moving contact and a static contact, the moving contact can rotate in a direction toward or away from the static contact, and the multiple stacked arc extinguishing chambers of each arc extinguishing unit cover the rotation range of the moving contact; a shell, the arc extinguishing assembly and the contact assembly are both arranged inside the shell; a wiring device, which extends from the inside of the shell to the outside of the shell, and the two ends of the wiring device are electrically connected to the static contact and the external circuit respectively. There are multiple wiring devices, and the multiple wiring devices are arranged corresponding to the multiple arc extinguishing units. Along the arrangement direction of the multiple arc extinguishing chambers, the wiring device is arranged on one side of the corresponding arc extinguishing unit.

[0015] On the other hand, the present application also provides an isolating switch, which includes multiple switch modules as mentioned above, and the isolating switch also includes: an operating mechanism, the operating mechanism includes a rotating shaft, the rotating shaft is linked with the switch module, and is used to drive the contact assembly to open and close; the number of switch modules and operating mechanisms are both multiple, the multiple switch modules and the multiple operating mechanisms are all installed in a stacked manner, and the rotating shafts of the multiple operating mechanisms are mechanically coupled and linked to drive the contact assemblies in the multiple switch modules to move.

[0016] The arc extinguishing assembly provided in the present application has multiple arc extinguishing units, and components capable of releasing arcs are arranged in the installation space enclosed by the multiple arc extinguishing units. The arc extinguishing unit includes an arc striking assembly and multiple arc extinguishing chambers arranged in sequence, wherein the arc striking assembly includes a first arc striking assembly and a second arc striking assembly. The first arc striking assembly can introduce the arc released by the components in the installation space into the multiple arc extinguishing chambers. Since the multiple arc extinguishing grids of each arc extinguishing chamber are arranged along a first direction, which is perpendicular to the arrangement direction of the arc extinguishing chamber, compared with the same arrangement direction as the arc extinguishing chamber, the capacity of the entire arc extinguishing unit is larger and the arc extinguishing effect is better. Moreover, the arc extinguishing chambers are electrically connected through the second arc striking assembly. Therefore, the arc can be extinguished through multiple arc extinguishing chambers in sequence. After the arc is fully cut, the intensity gradually weakens, thereby achieving the effect of complete arc extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the arc extinguishing assembly of an embodiment of the present application;

[0019] Figure 2 An exploded view of an arc extinguishing assembly according to an embodiment of the present application;

[0020] Figure 3 A schematic diagram of a switch module in an embodiment of the present application in a disconnected state;

[0021] Figure 4 A schematic diagram of an arc path inside an arc extinguishing assembly according to an embodiment of the present application;

[0022] Figure 5 A schematic diagram of a switch module in an embodiment of the present application being in a conducting state;

[0023] Figure 6 A schematic diagram of the internal structure of a switch module according to an embodiment of the present application;

[0024] Figure 7 This is a schematic diagram of the overall structure of the isolating switch according to an embodiment of the present application.

[0025] Description of Figure Numbers:

[0026] 10. arc-striking assembly; 11. first arc-striking assembly; 111. first arc-striking sheet; 112. second arc-striking sheet; 113. first arc-striking portion; 114. second arc-striking portion; 115. third arc-striking portion; 116. fourth arc-striking portion; 12. second arc-striking assembly; 121. intermediate arc-striking sheet; 20. arc-extinguishing chamber; 21. arc-extinguishing grid; 30. installation space; 40. isolation assembly; 41. first insulating baffle; 42. second insulating baffle; 43. first arc-crossing channel; 44. second arc-crossing channel;

[0027] 100, arc extinguishing assembly; 200, arc extinguishing unit; 300, contact assembly; 310, moving contact; 320, stationary contact; 400, housing; 500, wiring device; 600, operating mechanism; 610, rotating shaft; 620, operating shaft; 700, switch module;

[0028] X, first direction. DETAILED DESCRIPTION

[0029] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application, rather than to limit the present application. For those skilled in the art, the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating the examples of the present application.

[0030] like Figures 1 to 5 As shown, an embodiment of the present application provides an arc extinguishing assembly, wherein the arc extinguishing assembly 100 includes a plurality of arc extinguishing units 200, and the plurality of arc extinguishing units 200 enclose an installation space 30, the arc extinguishing unit 200 includes an arc striking assembly 10 and a plurality of arc extinguishing chambers 20 arranged in sequence, the arc striking assembly 10 includes a first arc striking assembly 11 and a second arc striking assembly 12, the arc extinguishing chamber 20 is electrically connected to the installation space 30 via the first arc striking assembly 11, and the plurality of arc extinguishing chambers 20 are electrically connected to each other via the second arc striking assembly 12, and each arc extinguishing chamber 20 includes a plurality of arc extinguishing grids 21 arranged in sequence along a first direction X, and the first direction X is perpendicular to the arrangement direction of the plurality of arc extinguishing chambers 20.

[0031] It should be noted that the first direction X is the height direction of the arc extinguishing assembly, that is, Figure 1 The up and down directions in .

[0032] In specific implementation, the arc extinguishing assembly 100 provided in the embodiment of the present application has a plurality of arc extinguishing units 200. Components capable of releasing an arc are provided in the installation space 30 enclosed by the plurality of arc extinguishing units 200. In the embodiment of the present application, a contact assembly 300 is provided in the installation space 30. The disconnection between the moving contact 310 and the stationary contact 320 of the contact assembly 300 will generate an arc. The arc extinguishing unit 200 includes an arc striking assembly 10 and a plurality of arc extinguishing chambers 20 arranged in sequence, wherein the arc striking assembly 10 includes a first arc striking assembly 11 and a second arc striking assembly 12, and the first arc striking assembly 11 can introduce the arc released by the components in the installation space 30 into the plurality of arc extinguishing chambers 20. Since the plurality of arc extinguishing grids 21 of each arc extinguishing chamber 20 are arranged along a first direction X, which is perpendicular to the arrangement direction of the arc extinguishing chamber 20, compared with the arrangement direction of the arc extinguishing chamber 20 being the same, the capacity of the entire arc extinguishing unit 200 is larger and the arc extinguishing effect is better. Moreover, the arc extinguishing chambers 20 are electrically connected through the second arc striking assembly 12, so the arc can be extinguished in the plurality of arc extinguishing chambers 20 in sequence, and the strength of the arc is gradually weakened after the arc is fully cut, thereby achieving a complete arc extinguishing effect.

[0033] like Figure 1 and Figure 2 As shown, the arc extinguishing assembly of an embodiment of the present application, wherein the second arc striking assembly 12 includes a plurality of intermediate arc striking plates 121 arranged in sequence along the arrangement direction of the arc extinguishing chamber 20, two adjacent arc extinguishing chambers 20 are electrically connected through an intermediate arc striking plate 121, and adjacent intermediate arc striking plates 121 are respectively arranged on both sides of the arc extinguishing unit 200 along the first direction X.

[0034] In a specific implementation, adjacent intermediate arc-starting pieces 121 are respectively arranged on both sides of the arc-extinguishing unit 200 along the first direction X, so that multiple intermediate arc-starting pieces 121 can be arranged in a staggered manner. After the arc is extinguished by one arc-extinguishing chamber 20, the remaining arc is introduced into the next arc-extinguishing chamber 20 by the intermediate arc-starting piece 121. The arc passes through the arc-extinguishing chamber 20 along the first direction X to be fully extinguished, and reaches the adjacent intermediate arc-starting piece 121 arranged on the other side along the first direction X. Thus, the intermediate arc-starting piece 121 is introduced into the next arc-extinguishing chamber 20 for arc extinguishing, and circulates through the subsequent multiple arc-extinguishing chambers 20 in this motion path. The motion path is composed of Figure 4 As shown, after the arc is extinguished along the moving path, the generated gas can be discharged from the outer peripheral surface of the arc extinguishing unit 200, and the outer peripheral surface of the arc extinguishing unit 200 is the side of the arc extinguishing unit 200 facing away from the installation space 30. Therefore, on this moving path, the capacity in the arc extinguishing chamber 20 is fully utilized, thereby achieving full cutting of the arc and achieving the effect of complete arc extinguishing.

[0035] like Figure 2As shown, the arc extinguishing assembly of the embodiment of the present application, wherein the arc extinguishing unit 200 also includes an isolation assembly 40, the isolation assembly 40 includes a plurality of first insulating partitions 41, the first insulating partitions 41 are arranged between two adjacent arc extinguishing chambers 20, the plurality of first insulating partitions 41 are arranged one-to-one with the plurality of intermediate arc-striking plates 121, the first insulating partitions 41 are spaced apart from the corresponding intermediate arc-striking plates 121 and form a first arc-crossing channel 43, the first arc-crossing channel 43 is used to connect the two adjacent arc extinguishing chambers 20.

[0036] In specific implementation, the setting of the first insulating partition 41 can prevent the arc from moving directly to the next arc extinguishing chamber 20 when the arc is extinguished in the arc extinguishing chamber 20, resulting in the inability to completely extinguish the arc. After the first insulating partition 41 is set, the arc can completely pass through the arc extinguishing chamber 20 in the first direction X, and enter the next arc extinguishing chamber 20 through the first arc passing channel 43, thereby achieving sufficient cutting of the arc and achieving the effect of complete arc extinguishing.

[0037] like Figure 2 As shown, the arc extinguishing assembly of the embodiment of the present application, wherein the first arc-striking assembly 11 includes a first arc-striking plate 111 and a second arc-striking plate 112. Along the arrangement direction of the multiple arc-striking chambers 20, the arc-striking chamber 20 at one end is electrically connected to the installation space 30 through the first arc-striking plate 111, and the arc-striking chamber 20 at the other end is electrically connected to the installation space 30 through the second arc-striking plate 112.

[0038] During specific implementation, the first arc-striking plate 111 and the second arc-striking plate 112 are electrically connected to the arc-extinguishing chambers 20 at both ends respectively, so that all arcs in the installation space 30 can enter the arc-extinguishing chamber 20 for arc extinguishing, thereby avoiding the situation where the arcs in the installation space 30 only enter the arc-extinguishing chamber 20 from one end, while the arcs near the arc-extinguishing chamber 20 at the other end cannot enter the arc-extinguishing chamber 20 for arc extinguishing, thereby achieving the effect of complete arc extinguishing.

[0039] Specifically, when the moving contact 310 and the stationary contact 320 of the contact assembly 300 are disconnected, the moving contact 310 will rotate and separate from the stationary contact 320. When the two are overlapped, they are both arranged close to the second arc-striking piece 112. After the two are separated, the moving contact 310 will rotate to a position close to the first arc-striking piece 111. At this time, there is an arc extending along the arrangement direction of the multiple arc extinguishing chambers 20 between the moving contact 310 and the stationary contact 320. The arc close to the moving contact 310 can be introduced into the arc extinguishing chamber 20 by the first arc-striking piece 111, and the arc close to the stationary contact 320 can be introduced into the arc extinguishing chamber 20 by the second arc-striking piece 112, so that all the arcs generated by the contact assembly 300 enter the arc extinguishing chamber 20 for arc extinguishing, thereby achieving the effect of complete arc extinguishing.

[0040] like Figure 1 and Figure 2As shown, the arc extinguishing assembly of the embodiment of the present application, wherein the arc extinguishing unit 200 also includes an isolation assembly 40, and the isolation assembly 40 also includes two second insulating partitions 42, one second insulating partition 42 is arranged between the first arc-striking plate 111 and the arc-extinguishing chamber 20, and the other second insulating partition 42 is arranged between the second arc-striking plate 112 and the arc-extinguishing chamber 20, and the two second insulating partitions 42 are respectively arranged to be spaced apart from the first arc-striking plate 111 and the second arc-striking plate 112 to form two second arc-crossing channels 44, and the second arc-crossing channels 44 are used to connect the installation space 30 and the arc-extinguishing chamber 20.

[0041] In specific implementation, the two second insulating partitions 42 respectively form two second arc-crossing channels 44 with the first arc-striking plate 111 and the second arc-striking plate 112, so that the arc enters the arc extinguishing chamber 20 at both ends only through the two second arc-crossing channels 44, thereby avoiding the arc directly entering the middle of the arc extinguishing chamber 20. The arc can cross the entire arc extinguishing chamber 20 along the first direction X and reach the middle arc-striking plate 121, and is introduced into the next arc extinguishing chamber 20 by the middle arc-striking plate 121 for arc extinguishing, so that the arc extinguishing chamber 20 can be fully extinguished.

[0042] Specifically, the plurality of first insulating spacers 41 and the two second insulating spacers 42 are arranged in parallel and extend along the first direction X.

[0043] like Figure 1 and Figure 2 As shown, the arc-extinguishing assembly of the embodiment of the present application, wherein the first arc-striking piece 111 includes a first arc-striking portion 113 and a second arc-striking portion 114 that are bent and connected, the first arc-striking portion 113 is parallel to the second insulating partition 42, and the second arc-striking portion 114 is parallel to the arc-extinguishing grid 21.

[0044] In a specific implementation, the first arc-starting portion 113 of the first arc-starting sheet 111 is arranged parallel to the second insulating partition 42, and the second arc-starting portion 114 is arranged parallel to the arc-extinguishing grid 21. The arc can be elongated in the first direction X after entering the second arc-crossing channel 44 between the first arc-starting portion 113 and the second insulating partition 42, so that the arc intensity is weakened. Then, the arc enters the second arc-crossing channel 44 between the second arc-starting portion 114 and the arc-extinguishing grid 21, and then elongates along the first direction X until it completely fills the arc-extinguishing chamber 20, and the arc-extinguishing chamber 20 fully extinguishes the arc. The arrangement of the first arc-starting portion 113 and the second arc-starting portion 114 not only has the effect of introducing the arc into the arc-extinguishing chamber 20 for arc extinguishing, but also can gradually elongate the more concentrated arc to reduce the arc intensity.

[0045] like Figure 1 and Figure 2As shown, the arc-extinguishing assembly of the embodiment of the present application, wherein the second arc-striking piece 112 includes a third arc-striking portion 115 and a fourth arc-striking portion 116 which are bent and connected, the third arc-striking portion 115 is parallel to the second insulating partition 42, and the fourth arc-striking portion 116 is parallel to the arc-extinguishing grid 21.

[0046] In specific implementation, the third arc-starting portion 115 of the second arc-starting piece 112 is parallel to the second insulating partition 42, and the fourth arc-starting portion 116 is parallel to the arc-extinguishing grid 21. The arc can be elongated in the first direction X after entering the part of the second arc-crossing channel 44 between the third arc-starting portion 115 and the second insulating partition 42, so that the arc intensity is weakened. Then the arc enters the part of the second arc-crossing channel 44 between the fourth arc-starting portion 116 and the arc-extinguishing grid 21, and then elongates along the first direction X until it completely fills the arc-extinguishing chamber 20, and the arc-extinguishing chamber 20 fully extinguishes the arc. The provision of the third arc-starting portion 115 and the fourth arc-starting portion 116 not only has the effect of introducing the arc into the arc-extinguishing chamber 20 for arc extinguishing, but also can gradually elongate the more concentrated arc to reduce the arc intensity.

[0047] like Figure 3 As shown, the arc extinguishing assembly of the embodiment of the present application, wherein the arc extinguishing assembly 100 includes two arc extinguishing units 200, and the multiple arc extinguishing chambers 20 in each arc extinguishing unit 200 are arranged in sequence in an arc structure, and the cross-section of the installation space 30 enclosed by the two arc extinguishing units 200 is a circular structure.

[0048] In a specific implementation, the multiple arc extinguishing chambers 20 in the arc extinguishing unit 200 are arranged in sequence in an arc structure, so that the arc extinguishing unit 200 composed of the multiple arc extinguishing chambers 20 can form an installation space 30 with a circular cross-section, so that the contact assembly 300 with a cylindrical shape can be embedded in the installation space 30; and the overall shape of the arc extinguishing assembly 100 is cylindrical, and the arc extinguishing assembly 100 can be installed in a shell 400 with a cylindrical internal space.

[0049] The arc extinguishing assembly of the second embodiment of the present application, wherein the arc extinguishing assembly 100 includes a plurality of arc extinguishing units 200, a plurality of arc extinguishing chambers 20 in each arc extinguishing unit 200 are arranged in a straight line structure, adjacent arc extinguishing units 200 are bent and connected at a preset angle, and an installation space 30 enclosed by the plurality of arc extinguishing units 200 is in a polygonal structure.

[0050] In a specific implementation, the multiple arc extinguishing chambers 20 in the arc extinguishing unit 200 are arranged in a straight structure, and the adjacent arc extinguishing units 200 are bent and connected at a preset angle, so that the arc extinguishing unit 200 composed of the multiple arc extinguishing chambers 20 can form an installation space 30 with a polygonal cross-section, so that the contact assembly 300 with a prismatic shape can be embedded in the installation space 30; and the overall shape of the arc extinguishing assembly 100 is a polygonal prism structure, and the arc extinguishing assembly 100 can be installed in a shell 400 with an internal space in the shape of a polygonal prism.

[0051] like Figure 3 and Figure 6 As shown, the embodiment of the present application also provides a switch module, which includes the above-mentioned arc extinguishing assembly, and the switch module 700 also includes: a contact assembly 300, which is arranged in the installation space 30, the contact assembly 300 includes a moving contact 310 and a static contact 320, the moving contact 310 can rotate in a direction toward or away from the static contact 320, and the multiple stacked arc extinguishing chambers 20 of each arc extinguishing unit 200 cover the rotation range of the moving contact 310; a shell 400, the arc extinguishing assembly 100 and the contact assembly 300 are both arranged inside the shell 400; a wiring device 500, which extends from the inside of the shell 400 to the outside of the shell 400, and the two ends of the wiring device 500 are electrically connected to the static contact 320 and the external circuit respectively, the number of the wiring device 500 is multiple, and the multiple wiring devices 500 are arranged corresponding to the multiple arc extinguishing units 200, and along the arrangement direction of the multiple arc extinguishing chambers 20, the wiring device 500 is arranged on one side of the corresponding arc extinguishing unit 200.

[0052] Figure 3 and Figure 5 The disconnected state and the conducted state of the moving contact 310 and the stationary contact 320 of the contact assembly 300 are respectively shown.

[0053] During specific implementation, when the moving contact 310 and the stationary contact 320 of the contact assembly 300 change from conduction to disconnection, an arc will be generated between the two. As the moving contact 310 rotates, the arc between the moving contact 310 and the stationary contact 320 gradually lengthens and always remains between the moving contact 310 and the stationary contact 320. Since the multiple arc extinguishing chambers 20 of the arc extinguishing unit 200 of the arc extinguishing assembly 100 cover the rotation range of the moving contact 310, the arc can all enter the arc extinguishing unit 200 for arc extinguishing, thereby avoiding the arc leaking to other components of the switch module 700 and causing damage.

[0054] Along the arrangement direction of the multiple arc extinguishing chambers 20, the wiring device 500 is arranged on one side of the corresponding arc extinguishing unit 200, so that the wiring device 500 can be arranged together with the multiple arc extinguishing chambers 20 to form an overall arc structure. The arc structure formed by the wiring device 500 and the multiple arc extinguishing chambers 20 is arranged on the rotating outer peripheral surface of the moving contact 310, so that during the rotation of the moving contact 310, the arc generated between the moving contact 310 and the static contact 320 can enter the arc extinguishing chamber 20, and when the moving contact 310 contacts the static contact 320, the current can pass through the wiring device 500, the static contact 320 and the moving contact 310 in sequence to achieve the connectivity of the current circuit.

[0055] like Figure 6 and Figure 7 As shown, an embodiment of the present application further provides an isolating switch, which includes a plurality of the above-mentioned switch modules, and the isolating switch further includes: an operating mechanism 600, the operating mechanism 600 includes a rotating shaft 610, and the rotating shaft 610 is linked with the switch module 700 to drive the contact assembly 300 to open and close; the number of switch modules 700 and the operating mechanism 600 are both multiple, and the multiple switch modules 700 and the multiple operating mechanisms 600 are all installed in a stacked manner, and the rotating shafts 610 of the multiple operating mechanisms 600 are mechanically coupled and linked to drive the contact assemblies 300 in the multiple switch modules 700 to move.

[0056] In specific implementation, multiple switch modules 700 are stacked so that the isolating switch has multi-phase input and output, and the power supply and the load are connected and disconnected through the isolating switch, so that multi-phase electricity can be input to the load; the multiple rotating shafts 610 of the operating mechanism 600 can be mechanically coupled and linked when the multiple switch modules 700 are stacked, so that the contact assemblies 300 in the multiple switch modules 700 can move synchronously, thereby ensuring the overall conduction stability of the isolating switch.

[0057] Specifically, the operating mechanism 600 further includes an operating shaft 620, one end of which is coupled to the rotating shaft 610 disposed at the top along the first direction X, and the other end of which passes through the outside of the isolating switch, so as to facilitate rotation operation outside, thereby driving the multiple rotating shafts 610 to rotate synchronously. The operating shaft 620 can be operated by an operating handle or a remote operating device to achieve manual or automatic operation.

[0058] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "include..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0059] The above is only a specific implementation of the present application. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, modules and units described above can refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here. It should be understood that the protection scope of the present application is not limited to this. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in this application, and these modifications or replacements should be included in the protection scope of this application.

Claims

1. An arc extinguishing assembly, characterized in that: The arc extinguishing assembly (100) comprises a plurality of arc extinguishing units (200), the plurality of arc extinguishing units (200) enclose an installation space (30), the arc extinguishing unit (200) comprises an arc striking assembly (10) and a plurality of arc extinguishing chambers (20) arranged in sequence, the arc striking assembly (10) comprises a first arc striking assembly (11) and a second arc striking assembly (12), the arc extinguishing chamber (20) is electrically connected to the installation space (30) via the first arc striking assembly (11), the plurality of arc extinguishing chambers (20) are electrically connected to each other via the second arc striking assembly (12), each of the arc extinguishing chambers (20) comprises a plurality of arc extinguishing grids (21) arranged in sequence and spaced apart along a first direction (X), the first direction (X) being perpendicular to the arrangement direction of the plurality of arc extinguishing chambers (20).

2. The arc extinguishing assembly according to claim 1, characterized in that: The second arc-striking assembly (12) comprises a plurality of intermediate arc-striking plates (121) arranged in sequence along the arrangement direction of the arc-extinguishing chambers (20); two adjacent arc-striking chambers (20) are electrically connected via one of the intermediate arc-striking plates (121); and adjacent intermediate arc-striking plates (121) are respectively arranged on both sides of the arc-extinguishing unit (200) along the first direction (X).

3. The arc extinguishing assembly according to claim 2, characterized in that: The arc extinguishing unit (200) further includes an isolation component (40), wherein the isolation component (40) includes a plurality of first insulating partitions (41), wherein the first insulating partitions (41) are arranged between two adjacent arc extinguishing chambers (20), and the plurality of first insulating partitions (41) are arranged in one-to-one correspondence with the plurality of intermediate arc-striking pieces (121), and the first insulating partitions (41) are spaced apart from the corresponding intermediate arc-striking pieces (121) to form a first arc-crossing channel (43), and the first arc-crossing channel (43) is used to connect the two adjacent arc extinguishing chambers (20).

4. The arc extinguishing assembly according to claim 1, characterized in that: The first arc-striking assembly (11) comprises a first arc-striking piece (111) and a second arc-striking piece (112). Along the arrangement direction of the plurality of arc-extinguishing chambers (20), the arc-extinguishing chamber (20) at one end is electrically connected to the installation space (30) through the first arc-striking piece (111), and the arc-extinguishing chamber (20) at the other end is electrically connected to the installation space (30) through the second arc-striking piece (112).

5. The arc extinguishing assembly according to claim 4, characterized in that: The arc extinguishing unit (200) also includes an isolation component (40), and the isolation component (40) also includes two second insulating partitions (42), one of the second insulating partitions (42) is arranged between the first arc-striking plate (111) and the arc-extinguishing chamber (20), and the other second insulating partition (42) is arranged between the second arc-striking plate (112) and the arc-extinguishing chamber (20), and the two second insulating partitions (42) are respectively arranged to be spaced apart from the first arc-striking plate (111) and the second arc-striking plate (112) to form two second arc-crossing channels (44), and the second arc-crossing channels (44) are used to connect the installation space (30) and the arc-extinguishing chamber (20).

6. The arc extinguishing assembly according to claim 5, characterized in that: The first arc-striking piece (111) comprises a first arc-striking portion (113) and a second arc-striking portion (114) which are connected by bending, the first arc-striking portion (113) being parallel to the second insulating partition (42), and the second arc-striking portion (114) being parallel to the arc-extinguishing grid (21).

7. The arc extinguishing assembly according to claim 5, characterized in that: The second arc-striking piece (112) comprises a third arc-striking portion (115) and a fourth arc-striking portion (116) which are connected by bending, the third arc-striking portion (115) being parallel to the second insulating partition (42), and the fourth arc-striking portion (116) being parallel to the arc-extinguishing grid (21).

8. The arc extinguishing assembly according to claim 1, characterized in that: The arc extinguishing assembly (100) comprises two arc extinguishing units (200), a plurality of arc extinguishing chambers (20) in each arc extinguishing unit (200) are arranged in sequence in an arc structure, and a cross section of the installation space (30) enclosed by the two arc extinguishing units (200) is a circular structure.

9. The arc extinguishing assembly according to claim 1, characterized in that: The arc extinguishing assembly (100) comprises a plurality of arc extinguishing units (200), the plurality of arc extinguishing chambers (20) in each arc extinguishing unit (200) are arranged in a straight line structure, adjacent arc extinguishing units (200) are bent and connected at a preset angle, and the cross-section of the installation space (30) enclosed by the plurality of arc extinguishing units (200) is a polygonal structure.

10. A switch module, characterized in that: Comprising the arc extinguishing assembly according to any one of claims 1 to 9, the switch module (700) further comprises: A contact assembly (300) is arranged in the installation space (30), the contact assembly (300) comprising a moving contact (310) and a stationary contact (320), the moving contact (310) being capable of rotating in a direction toward or away from the stationary contact (320), and the plurality of stacked arc extinguishing chambers (20) of each arc extinguishing unit (200) covering the rotation range of the moving contact (310); A housing (400), wherein the arc extinguishing assembly (100) and the contact assembly (300) are both arranged inside the housing (400); A wiring device (500) extends from the inside of the housing (400) to the outside of the housing (400), and two ends of the wiring device (500) are electrically connected to the static contact (320) and the external circuit respectively. There are multiple wiring devices (500), and the multiple wiring devices (500) are arranged corresponding to the multiple arc extinguishing units (200). Along the arrangement direction of the multiple arc extinguishing chambers (20), the wiring device (500) is arranged on one side of the corresponding arc extinguishing unit (200).

11. An isolating switch, characterized in that: The isolating switch comprises a plurality of switch modules according to claim 10, wherein the isolating switch further comprises: An operating mechanism (600), the operating mechanism (600) comprising a rotating shaft (610), the rotating shaft (610) being linked with the switch module (700) to drive the contact assembly (300) to open and close; The switch modules (700) and the operating mechanisms (600) are both multiple in number, and the multiple switch modules (700) and the multiple operating mechanisms (600) are installed in a stacked manner, and the rotating shafts (610) of the multiple operating mechanisms (600) are mechanically coupled and linked to drive the contact assemblies (300) in the multiple switch modules (700) to move.

Images