Combination switch

Abstract

The utility model discloses a combination switch, and the combination switch is characterized in that a three-phase conductive assembly comprises a first connection part, a second connection part and a short circuit part, the first connection part is connected with a first static contact, the second connection part is connected with a second static contact, and the short circuit part connects the first connection part and the second connection part; all the conductive assemblies comprise exposed parts located outside the first side faces of the first upper shell and the second upper shell, and the exposed parts comprise at least one part of a first connecting part, at least one part of a second connecting part and a short circuit part; the three-phase conductive assembly further comprises an insulating outer cover and an insulating lining, the insulating outer cover is fixed to the first side face, the insulating lining is located between the insulating outer cover and the first side face, and the insulating outer cover, the insulating lining, the first upper shell and the second upper shell jointly separate the exposed part of the three-phase conductive assembly. The cable has the advantage of being good in insulation performance.

Description

Technical Field

[0001] The present application relates to the electrical field of low-voltage switches, and is a combination switch for star-delta starting. Background Art

[0002] As an industrial control electrical appliance, the contactor has many usage scenarios. For example, multiple contactors are arranged side by side to form a combination switch, and this combination switch can be used to form a star-delta starting switch. For this star-delta starting switch, the three-phase static contact on one side of the main contactor needs to be connected one by one with the three-phase static contact on one side of the angular contactor. Here, a conductive component (at least 2 conductive plates) is used for connection, that is, three groups of two corresponding static contacts are connected through three groups of conductive components. CN116453907A discloses this structure. In order to achieve insulation between the three phases in CN116453907A, an insulating cover is set. It can be clearly seen from its drawings and text records that the insulation between the three phases achieved by it is actually only to separate the three-phase short-circuit bars (the short-circuit bar is only one of the conductive components) across the two contactors, and the rest of the conductive components (such as A-phase terminal board, B-phase terminal board, C-phase terminal board, etc.) are not separated, so there is still the possibility of arcing here.

[0003] In summary, how to further increase the creepage distance here and reduce the possibility of arcing is still a direction worth studying. Summary of the invention

[0004] In view of this, the purpose of this application is to overcome the deficiencies in the prior art and to provide a combination switch.

[0005] The present application provides: a combination switch, comprising a first contactor module, a second contactor module and a three-phase conductive component, wherein the first contactor module and the second contactor module are arranged along the length direction of the combination switch; the first contactor module comprises a first upper shell and a three-phase first static contact arranged in the first upper shell, the second contactor module comprises a second upper shell and a three-phase second static contact arranged in the second upper shell, and the first static contact and the second static contact of the same phase are connected through a group of conductive components; wherein the three-phase conductive components each comprise a first connecting portion, a second connecting portion and a short-circuiting portion, and the first connecting portion and the first static contact are connected to each other. The first connecting part is connected to the first upper shell body, the second connecting part is connected to the second static contact, and the short-circuit part connects the first connecting part and the second connecting part; all the conductive components include exposed parts located outside the first upper shell body and the second upper shell body, and the exposed parts include at least a part of the first connecting part, at least a part of the second connecting part and the short-circuit part; and also include an insulating cover and an insulating lining, the insulating cover is located on one side of the first upper shell body and the second upper shell body, and the insulating lining is located between the insulating cover and the first upper shell body and the second upper shell body, and the insulating cover, the insulating lining, the first upper shell body and the second upper shell body jointly separate the exposed parts of the three-phase conductive components.

[0006] Compared with the structure of the prior art which only uses an insulating cover to achieve separation, this structure uses the insulating outer cover, the insulating lining, the first upper shell, and the second upper shell to separate the exposed parts of the three-phase conductive components (a part of the first connecting part, a part of the second connecting part, and the short-circuit part). In this way, not only the short-circuit part is separated, but also the first connecting part and the second connecting part (equivalent to the A-phase terminal board, the B-phase terminal board, and the C-phase terminal board in the prior art) are separated, which can improve the insulation performance and prevent electric shock between phases.

[0007] In some embodiments of the present application, the five parts of the first static contact, the first connecting part, the short-circuit part, the second connecting part, and the second static contact of the same phase are an integrated part.

[0008] By adopting this structure, the conductive component, the first stationary contact and the second stationary contact can be formed as an integral component, which is conducive to simplifying the assembly and wiring processes.

[0009] In some embodiments of the present application, the five parts of the first static contact, the first connecting part, the short-circuit part, the second connecting part, and the second static contact of the same phase are all independent, and two adjacent parts are fastened by fasteners.

[0010] The split structure makes the components more versatile (the first static contact and the second static contact can also be used to make other contactors).

[0011] In some embodiments of the present application, the five parts of the first static contact, the first connecting part, the short-circuit part, the second connecting part, and the second static contact of the same phase are formed by at least two separate components, and the separate components are fastened with fasteners.

[0012] This structure has multiple implementation possibilities. According to the needs of actual products, any number of adjacent components can be integrated together to form a separate component, and then the separate components can be assembled to complete the wiring.

[0013] In some embodiments of the present application, all first connection parts and all second connection parts are staggered in the length direction of the combination switch; the short-circuit parts of the three-phase conductive component are short-circuit part I, short-circuit part II and short-circuit part III respectively, and in the height direction of the combination switch, short-circuit part I is located above short-circuit part II, and short-circuit part II is located above short-circuit part III; the insulating lining includes a substrate and two groups of first phase partition groups and two groups of second phase partition groups connected to the substrate; the substrate is sleeved on the short-circuit part II, and the substrate separates the three short-circuit parts in the height direction of the combination switch; the first upper shell is provided with two groups of first phase spacing rib groups, and the second upper shell is provided with two groups of second phase spacing rib groups, the first phase partition group corresponds to the first phase spacing rib group one by one and is staggered to form a first staggered structure, and the second phase partition group corresponds to the second phase spacing rib group one by one and is staggered to form a second staggered structure; in the length direction of the combination switch, the first staggered structure and the substrate jointly separate the three-phase first connection parts, and the second staggered structure and the substrate jointly separate the three-phase second connection parts.

[0014] With this structure, height separation is achieved through the substrate, the first interlaced structure and the substrate separate the three-phase first connection parts, and the second interlaced structure and the substrate separate the three-phase second connection parts, so that a strong creepage distance can be achieved between the phases.

[0015] In some embodiments of the present application, each group of first phase partition groups includes a first interphase upper partition I and a first interphase lower partition I, the first interphase upper partition I is connected to the upper end of the substrate, and the first interphase lower partition I is connected to the lower end of the substrate, and each group of first phase partition rib groups includes a first interphase upper partition rib and a first interphase lower partition rib; the first interphase upper partition I and the first interphase upper partition rib are staggered, and the first interphase lower partition I and the first interphase lower partition rib are staggered to form a first staggered structure; each group of second phase partition groups includes a second interphase upper partition I and a second interphase lower partition I, the second interphase upper partition I is connected to the upper end of the substrate, and the second interphase lower partition I is connected to the lower end of the substrate, and each group of second phase partition rib groups includes a second interphase upper partition rib and a second interphase lower partition rib; the second interphase upper partition I and the second interphase upper partition rib are staggered, and the second interphase lower partition I and the second interphase lower partition rib are staggered to form a second staggered structure.

[0016] With this structure, the first and second staggered structures are formed by staggered arrangement of the partitions and the partition ribs, which has the characteristics of simple processing and convenient assembly.

[0017] In some embodiments of the present application, a third phase partition plate group I connected to the base is also provided on the base, the first upper shell and the second upper shell are connected by a transition shell, a third phase partition rib group is provided on the transition shell, and the third phase partition plate group I and the third phase partition rib group are staggered to form a third staggered structure.

[0018] By adopting this structure, by adding a third staggered structure between the base and the transition housing, the terminals on the same side of the two contactor modules can be separated, further improving the insulation performance.

[0019] In some embodiments of the present application, a third phase partition group I connected to the base is further provided on the base, a third phase partition group II is further provided on the outer cover, and the third phase partition group I and the third phase partition group II are staggered to form a fourth staggered structure.

[0020] By adopting this structure, the fourth staggered structure is formed between the base and the outer cover, so that the terminals on the same side of the two contactor modules can be separated, and the insulation performance is further improved.

[0021] In some embodiments of the present application, a first upper extension portion, a first lower extension portion, a second upper extension portion and a second lower extension portion are provided on the base; the first upper extension portion and the first lower extension portion are located on the upper and lower sides of the first connection portion corresponding to the short-circuit portion II, and the second upper extension portion and the second lower extension portion are located on the upper and lower sides of the second connection portion corresponding to the short-circuit portion II; the first upper extension portion and the first lower extension portion both extend between the two first spaced rib groups and are staggered, and the second upper extension portion and the second lower extension portion both extend between the two second spaced rib groups and are staggered.

[0022] By adopting this structure, the first upper extension part and the first lower extension part are extended to between the two first phase spacing rib groups and are staggered, and the second upper extension part and the second lower extension part are extended to between the two second phase spacing rib groups and are staggered, so as to improve the insulation performance between the middle phase conductive component and the other two phase conductive components.

[0023] In some embodiments of the present application, the base is provided with a first plug-in portion surrounding the short-circuit portion II, and a second plug-in portion is provided on the outer cover, and the first plug-in portion and the second plug-in portion form a fifth staggered structure; wherein, one of the first plug-in portion and the second plug-in portion is a protrusion, and the other is a groove.

[0024] By adopting this structure, a fifth staggered structure can be formed by the first plug-in part and the second plug-in part, which can ensure the insulation performance between the short-circuit part II of the middle phase conductive component and the short-circuit parts I and III of the other two phase conductive components, further improving the overall insulation performance.

[0025] In some embodiments of the present application, a first interphase upper partition II, a first interphase lower partition II, a second interphase upper partition II and a second interphase lower partition II are arranged in the outer cover, the first interphase upper partition II corresponds to the first interphase upper partition I and the two are staggered, the first interphase lower partition II corresponds to the first interphase lower partition I and the two are staggered, the second interphase upper partition II corresponds to the second interphase upper partition I and the two are staggered, the second interphase lower partition II corresponds to the second interphase lower partition I and the two are staggered.

[0026] With this structure, the partition structure arranged on the outer cover and the partition structure on the base are also staggered, which greatly improves the overall insulation performance.

[0027] In some embodiments of the present application, the base is provided with a first transition groove and a second transition groove, the length directions of the first transition groove and the second transition groove are the same as the length direction of the combination switch, the short-circuit portion I passes through the first transition groove, and the short-circuit portion III passes through the second transition groove; in the depth direction of the first transition groove and the second transition groove, the short-circuit portion I has a first exposed portion located outside the first transition groove, and the short-circuit portion III has a second exposed portion located outside the second transition groove; a first baffle and a second baffle are provided on the insulating cover, the first baffle extends to one side of the first interphase upper partition plate I and is staggered with it, and the second baffle extends to one side of the second interphase lower partition plate I and is staggered with it, the first baffle blocks part of the first exposed portion, and the second baffle blocks part of the second exposed portion.

[0028] The design of the first baffle and the second baffle of this structure is still designed to further improve the insulation performance. The first baffle and the second baffle here respectively achieve the improvement of the insulation performance by shielding part of the first and second exposed parts.

[0029] In some embodiments of the present application, a circuit board cover is also included, the first contactor module also includes a first lower shell, the second contactor module includes a second lower shell, the first upper shell is fixed to the first lower shell, the second upper shell is fixed to the second lower shell, and one side of the insulating cover, the first lower shell, the second upper shell and the circuit board cover together form a accommodating space, and a circuit board assembly is arranged in the accommodating space.

[0030] By adopting this structure, the accommodating space of the circuit board can be located on one side of the entire product, thereby comprehensively utilizing the space of the product.

[0031] In some embodiments of the present application, the insulating outer cover is provided with a wiring seat, and three wiring chambers are provided in the wiring seat. A third wiring part is provided in each wiring chamber, and the wiring part is also part of the conductive component. The three wiring parts correspond to the short-circuit part one by one and are connected.

[0032] With this structure, the third wiring part is designed to facilitate external wiring, while the wiring seat is designed to more easily place the third wiring part and improve the insulation performance between the third wiring parts.

[0033] In some embodiments of the present application, the first upper shell includes a first upper sub-shell I and a first upper sub-shell II that are detachably connected, the first upper sub-shell II is located below the first upper sub-shell I and the first upper sub-shell II at least partially exceeds the first upper sub-shell I, the first upper sub-shell I and the first upper sub-shell II together form a first yielding installation groove, the second upper shell includes a second upper sub-shell I and a second upper sub-shell II that are detachably connected, the second upper sub-shell II is located below the second upper sub-shell I and the second upper sub-shell II at least partially exceeds the second upper sub-shell I, the second upper sub-shell I and the second upper sub-shell II together form a second yielding installation groove, and an insulating lining is arranged in the first yielding installation groove and the second yielding installation groove.

[0034] The use of this structure with a detachably connected sub-shell can make the structure of a single plastic part simpler, which is conducive to injection molding processing. The design of the first and second clearance installation grooves can make the overall structure more streamlined, which is conducive to a smaller product.

[0035] In some embodiments of the present application, the first upper shell portion is recessed to form a first clearance installation groove, the second upper shell portion is recessed to form a second clearance installation groove, and an insulating lining is arranged in the first clearance installation groove and the second clearance installation groove.

[0036] The design of the first and second recessed mounting grooves can make the overall structure more streamlined, which is conducive to a more miniaturized product. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0038] Figure 1 A three-dimensional diagram of a combination switch according to Embodiment 1 of the present application is shown;

[0039] Figure 2 for Figure 1 A three-dimensional image without the circuit board cover;

[0040] Figure 3 An exploded view of the conductive component, the insulating outer cover, and the insulating inner lining of Example 1 of the present application is shown;

[0041] Figure 4 A three-dimensional diagram of the insulating liner in Example 1 of the present application is shown;

[0042] Figure 5 A three-dimensional view of the insulating liner in Embodiment 1 of the present application from another perspective is shown;

[0043] Figure 6 A schematic diagram showing the arrangement of the conductive component, the first stationary contact, and the second stationary contact along the length direction in Embodiment 1 of the present application is shown;

[0044] Figure 7 A schematic diagram showing the arrangement of the conductive component, the first stationary contact, and the second stationary contact in the height direction in Embodiment 1 of the present application is shown;

[0045] Figure 8 A schematic diagram of the first upper shell, the second upper shell, and the transition shell in Embodiment 1 of the present application is shown;

[0046] Fig. 9 A schematic diagram and a partial enlarged diagram of the coordination of the first upper shell, the conductive component, and the insulating lining in Example 1 of the present application are shown;

[0047] Fig.10 A schematic diagram of the insulating cover in Example 1 of the present application is shown;

[0048] Fig.11 A schematic diagram showing the coordination of the insulating outer cover, the insulating inner lining, and the conductive components in Example 1 of the present application is shown;

[0049] Fig.12 A cross-sectional view of the insulating outer cover, the insulating inner lining, and the conductive component in Example 1 of the present application is shown;

[0050] Fig.13 A schematic diagram showing an implementation of a conductive component in Example 1 of the present application is shown;

[0051] Fig.14 A schematic diagram showing another implementation of the conductive component in Example 1 of the present application is shown;

[0052] Fig.15 A schematic diagram showing another embodiment of the conductive component in Example 1 of the present application;

[0053] Fig.16 A schematic diagram showing an implementation of the first upper shell and the second upper shell in Example 1 of the present application is shown;

[0054] Fig.17 A schematic diagram of another implementation of the first upper shell and the second upper shell in Example 1 of the present application is shown. DETAILED DESCRIPTION

[0055] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0056] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0057] In addition, the terms "primary" and "secondary" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "primary" and "secondary" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0058] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0059] In the present application, unless otherwise clearly specified and limited, the main feature being "above" or "below" the second feature may mean that the main feature is in direct contact with the second feature, or that the main feature is in indirect contact with the second feature through an intermediate medium. Moreover, the main feature being "above", "above" and "above" the second feature may mean that the main feature is directly above or obliquely above the second feature, or simply means that the main feature is higher in level than the second feature. The main feature being "below", "below" and "below" the second feature may mean that the main feature is directly below or obliquely below the second feature, or simply means that the main feature is higher in level and has a lower electrical connection with the three-phase power supply than the second feature. Example

[0060] like Figure 1-Figure 17 As shown, an embodiment of the present application provides a combination switch.

[0061] This combination switch includes two contactor modules, which are respectively a first contactor module K100 and a second contactor module K200.

[0062] Each contactor module here includes a shell part, at least one set of electromagnetic system, three-phase moving contact, two pairs of three-phase static contacts, and contact support. The electromagnetic system is powered on and off to achieve simultaneous connection and disconnection of the three-phase moving contact and the two pairs of three-phase static contacts. Simply put, each contactor module contains the most basic functions of a contactor. Since this application mainly involves the short-circuit structure between the three-phase contacts on the same side of two contactor modules and the related insulation structure, the related structural principles such as the moving contact of the contactor and the three-phase static contact on the other side are already in the prior art (this application will not repeat the prior art).

[0063] The shell part of the first contactor module K100 includes a first upper shell 101 and a first lower shell 201. The first upper shell 101 is fixed on the top of the first lower shell 201. Screws are used for fastening. Of course, it can also be fixed by snap-fitting, riveting, etc. The shell part of the second contactor module K200 includes a second upper shell 102 and a second lower shell 202. The second upper shell 102 is fixed on the top of the second lower shell 202. Screws are used for fastening. Of course, it can also be fixed by snap-fitting, riveting, etc. In the present application, the first upper shell 101 and the second upper shell 102 are connected by a transition shell 103. The three are integrally formed components. Of course, the three can also be independent components (fixed by splicing, screw fastening, etc.). In the present application, the first lower shell 201 and the second lower shell 202 are integrally formed components. Of course, it can also be fixed by snap-fitting, screw fastening, etc.

[0064] Here, if Fig.16As shown, the first upper shell 101 is partially recessed to form a first clearance installation groove 1010, and the second upper shell 102 includes a partially recessed portion to form a second clearance installation groove 1020. In fact, the first upper shell 101 is partially retracted inward to form the first clearance installation groove 1010, and the second upper shell 102 is partially retracted inward to form the second clearance installation groove 1020. Such a design of the clearance groove allows the insulating liner 500 to be located in the first clearance installation groove 1010 and the second clearance installation groove 1020. Here, the first side surface is a portion of the first clearance installation groove 1010 and the second clearance installation groove 1020.

[0065] Of course, there are also variations in this approach, such as Fig.17 As shown, the first upper shell 101 is further divided into a first upper sub-shell Ⅰ101a and a first upper sub-shell Ⅱ101b, and the second upper shell 102 is further divided into a second upper sub-shell Ⅰ102a and a second upper sub-shell Ⅱ102b, wherein the first upper sub-shell Ⅰ101a and the first upper sub-shell Ⅱ101b are connected by a snap-fit ​​connection, and the second upper sub-shell Ⅰ102a and the second upper sub-shell Ⅱ102b are also connected by a snap-fit ​​connection. The first and second recessed mounting grooves 1010 and 1020 formed by the subdivision are formed in such a way that the first upper subshell II 101b is located below the first upper subshell I 101a and the first upper subshell II 101b at least partially exceeds the first upper subshell I 101a, thereby forming the first recessed mounting groove 1010, and the second upper subshell II 102b is located below the second upper subshell I 102a and the second upper subshell II 102b at least partially exceeds the second upper subshell I 102a, thereby forming the second recessed mounting groove 1020. (Of course, in this embodiment, the first upper subshell I 101a and the second upper subshell I 102a can be an integral piece, and the first upper subshell II 101b and the second upper subshell II 102b can be an integral piece.

[0066] Here, the static contact in the first contactor module K100 is the first static contact 301, and the static contact in the second contactor module K200 is the second static contact 305. The three-phase first static contact 301 (the three-phase first static contact 301 of the first contactor module K100 close to the first side of the first upper shell 101) and the three-phase second static contact 305 (the three-phase second static contact 305 of the second contactor module K200 close to the first side of the second upper shell 102) are connected through a three-phase conductive component, and the three phases here refer to three, that is, corresponding to the three live wires of the power supply.

[0067] Each phase conductive component here includes a first connection part 302, a second connection part 304 and a short-circuit part 303. The first connection part 302 is connected to the second connection part 304 through the short-circuit part 303. The first connection part 302 is connected to the corresponding first static contact 301, and the second connection part 304 is connected to the corresponding second static contact 305, thereby realizing the wiring between the two contactor modules.

[0068] Here, the conductive components and the first stationary contact 301 and the second stationary contact 305 can be divided into the following types according to different molding methods:

[0069] The overall structure is a one-piece structure, such as Fig.14 As shown, the five parts of the first static contact 301, the first connecting portion 302, the short-circuit portion 303, the second connecting portion 304, and the second static contact 305 of the same phase are an integrated part.

[0070] All of them are split-part structures. The five parts of the same phase, namely the first static contact 301, the first connecting part 302, the short-circuit part 303, the second connecting part 304, and the second static contact 305, are independently formed, and then every two adjacent parts are fastened by fasteners 350 (screws or rivets).

[0071] Part of them is a split structure, and part of them is an integrated structure. The first static contact 301, the first connecting part 302, the short-circuit part 303, the second connecting part 304, and the second static contact 305 of the same phase are formed by at least two split parts, and the split parts are fastened by fasteners 350. Fig.15 As shown, the first static contact 301 and the first connecting portion 302 are integrated, the second connecting portion 304 and the second static contact 305 are integrated, and then the short-circuit portion 303 connects the two, and the connection is fastened with a fastener 350 (screw or rivet). Fig.16 As shown, the first static contact 301, the first connecting portion 302, and the short-circuit portion 303 are integrated, the second connecting portion 304 and the second static contact 305 are integrated, and then the two are fastened by a fastener 350 (screw or rivet) at the connection. In addition, there are many similar solutions that can also achieve the same effect, which will not be given here.

[0072] Regardless of the above-mentioned conductive components, the short-circuit portion 303, a portion of the first connection portion 302, and a portion of the second connection portion 304 are exposed outside the first upper shell 101 and the first side surface of the second upper shell 102.

[0073] Exposed parts.

[0074] Here, all the first connection parts 302 (hereinafter divided into the first connection part I 302a, the first connection part II 302b and the first connection part III 302c) are staggered in the length direction L of the combination switch, and all the second connection parts 304 (hereinafter divided into the second connection part I 304a, the second connection part II 304b and the second connection part III 304c) are also staggered in the length direction L of the combination switch, and all the short-circuit parts 303 (hereinafter divided into the short-circuit part I 303a, the short-circuit part II 303b and the short-circuit part III 303c) are staggered in the height direction D of the combination switch, and the short-circuit part II 303b is located between the short-circuit part I 303a and the short-circuit part III 303c.

[0075] The insulating outer cover 400 and the insulating inner liner 500 are two independent parts. The insulating outer cover 400 is fixed on the first side surface S1, and is fastened by screws. Of course, it can also be fixed by rivets, buckles, etc. The exposed parts of the three-phase conductive components are separated by the insulating outer cover 400, the insulating inner liner 500, the first upper shell 101, and the second upper shell 102.

[0076] The specific partition structure is as follows:

[0077] The insulating liner 500 includes a base 501, a first phase partition set and a second phase partition set. A first through hole is provided on the base 501, and the shape of the first through hole 510 is adapted to the short-circuit part II 303b, so the base 501 is sleeved on the short-circuit part II 303b, and the base 501 can separate the three short-circuit parts 303 in the height direction D of the combination switch.

[0078] There are two groups of first phase partition rib groups on the first side surface S1 of the first upper shell 101, and the first phase partition plate group corresponds to the first phase partition plate group one by one and is staggered to form a first staggered structure. Here, each group of first phase partition plate groups includes a first interphase upper partition plate I502a and a first interphase lower partition plate I502b, the first interphase upper partition plate I502a is connected to the upper end of the base 501, and the first interphase lower partition plate I502b is connected to the lower end of the base 501. Each group of first phase partition rib groups includes a first interphase upper partition rib 1011a and a first interphase lower partition rib 1011b. The first interphase upper partition plate I502a and the first interphase upper partition rib 1011a are staggered, and the first interphase lower partition plate I502b and the first interphase lower partition rib 1011b are staggered to form a first staggered structure together. Through such two groups of first staggered structures and the base 501, the first connection part 302 of the three phases can be separated. In this embodiment, the number of the first interphase upper partition ribs 1011a is four, the number of the first interphase lower partition ribs 1011b is four, the first interphase upper partition plates Ⅰ502a are inserted between two adjacent first interphase upper partition ribs 1011a to form a staggered arrangement, and the first interphase lower partition plates Ⅰ502b are inserted between two adjacent first interphase lower partition ribs 1011b to form a staggered arrangement.

[0079] The first side surface S1 of the second upper shell 102 has two groups of second phase partition rib groups, and the second phase partition plate groups correspond to the second phase partition rib groups one by one and are staggered to form a second staggered structure. Here, each group of second phase partition plate groups includes a second interphase upper partition plate I504a and a second interphase lower partition plate I504b, the second interphase upper partition plate I504a is connected to the upper end of the base 501, and the second interphase lower partition plate I504b is connected to the lower end of the base 501. Each group of second phase partition rib groups includes a second interphase upper partition rib 1021a and a second interphase lower partition rib 1021b. The second interphase upper partition plate I504a and the second interphase upper partition rib 1021a are staggered, and the second interphase lower partition plate I504b and the second interphase lower partition rib 1021b are staggered to form a second staggered structure. The second connection portion 304 of the three phases can be separated by such two groups of second staggered structures and the base 501. In this embodiment, the number of second-phase upper partition ribs 1021a is four, the number of second-phase lower partition ribs 1021b is four, the second-phase upper partition plate Ⅰ504a is inserted between two adjacent second-phase upper partition ribs 1021a to form a staggered arrangement, and the second-phase lower partition plate Ⅰ504b is inserted between two adjacent second-phase lower partition ribs 1021b to form a staggered arrangement.

[0080] A third phase partition group I is also provided on the base 501, and a third phase partition rib group is provided on the transition housing 103. The third phase partition group I and the third phase partition rib group are staggered to form a third staggered structure. Here, the third phase partition group I includes a third interphase upper partition I503a and a third interphase lower partition I503b. The third phase partition rib group includes a third phase partition rib 1031a. The third interphase upper partition I503a and the third interphase lower partition I503b are staggered with the third phase partition rib 1031a to form a third staggered structure. In this embodiment, the number of third phase partition ribs 1031a is two, and the third interphase upper partition I503a and the third interphase lower partition I503b are inserted between two adjacent third phase partition ribs 1031a to form a staggered arrangement. Through such a third staggered structure and the base 501, the two phases of the two contactor modules that are relatively close can be separated.

[0081] Here, the first phase partition group, the second phase partition group, and the third phase partition group I on the base 501 are staggered by the first phase rib group, the second phase rib group, and the third phase rib group on the side close to the first side S1, and are staggered by the partitions on the insulating cover 400 on the side away from the first side S1 (it can also be said that the side close to the insulating cover 400). Specifically, the insulating cover 400 is provided with a first interphase upper partition II 401a, a first interphase lower partition II 401b, a second interphase upper partition II 402a, a second interphase lower partition II 402b, and a third phase partition II group (hereinafter, the third phase partition II group is divided into a third interphase upper partition II 403a and a third interphase lower partition II 403b). The first interphase upper partition II 401a corresponds to the first interphase upper partition I 502a and the two are staggered, the first interphase lower partition II 401b corresponds to the first interphase lower partition I 502b and the two are staggered, the second interphase upper partition II 402a corresponds to the second interphase upper partition I 504a and the two are staggered, the second interphase lower partition II 402b corresponds to the second interphase lower partition I 504b and the two are staggered, the third interphase upper partition II 403a corresponds to the third interphase upper partition I 503a and the two are staggered, the third interphase lower partition II 403b corresponds to the third interphase lower partition I 503b and the two are staggered. Here, the third interphase upper partition II 403a corresponds to the third interphase upper partition I 503a and the two are staggered, and the third interphase lower partition II 403b corresponds to the third interphase lower partition I 503b and the two are staggered, together forming a fourth staggered structure.

[0082] Here, the base 501 extends toward the direction of the first upper shell with a first upper extension 506a and a first lower extension 506b, and the base 501 extends toward the direction of the second upper shell with a second upper extension 505a and a second lower extension 505b. The first upper extension 506a and the first lower extension 506b here both extend to between the two first phase spacing rib groups and are staggered, that is, the first upper extension 506a extends to the two first phase upper spacing ribs 1011a, and the first lower extension 506b extends to between the two first phase lower spacing ribs 1011b. The purpose of this is that the first upper extension 506a and the first lower extension 506b are located exactly on the upper and lower sides of the first connection part II302b of the middle phase, which can further improve the insulation performance. Similarly, the second upper extension portion 505a and the second lower extension portion 505b here both extend to between the two second phase partition rib groups and are arranged in a staggered manner, that is, the second upper extension portion 505a extends to two second phase upper partition ribs 1021a, and the second lower extension portion 505b extends between two second phase lower partition ribs 1021b. The purpose of doing this is to ensure that the second upper extension portion 505a and the second lower extension portion 505b are located exactly on the upper and lower sides of the second connecting portion Ⅱ304b of the middle phase, which can further improve the insulation performance.

[0083] Here, the first plug-in portion 506 is formed on one side of the base 501 facing the insulating cover 400, and the second plug-in portion 404 is provided on the insulating cover 400. The first plug-in portion 506 and the second plug-in portion 404 are plugged into each other to form a fifth staggered structure. In this embodiment, the first plug-in portion 506 is a protrusion and the second plug-in portion 404 is a groove. Of course, the structures here can also be reversed.

[0084] Here, the base body 501 is provided with a first transition groove 507 and a second transition groove 508 , and the length direction L of the first transition groove 507 and the second transition groove 508 is the same as the length direction L of the combination switch.

[0085] The first transition groove 507 is located below the first interphase upper partition plate I502a and the third interphase upper partition plate I503a, and is provided for the short-circuit portion I303a to pass through. At least a portion of the short-circuit portion I303a close to the first side surface S1 is embedded in the first transition groove 507, and the rest is exposed outside the first transition groove 507, also called the first exposed portion 303a0 (that is, the first exposed portion 303a0 is provided in the depth direction H). The insulating cover 400 is provided with a first baffle plate 405, and there are two first baffle plates 405, one is located between the two first interphase upper partition plates I502a, and the other is located between the first interphase upper partition plate I502a and the third interphase upper partition plate I503a. In fact, both are located on one side of a first interphase upper partition plate I502a to form a staggered arrangement, and the purpose is to shield the corresponding position of the first exposed portion 303a0 through the first baffle plate 405, so as to further improve the insulation performance.

[0086] The second transition groove 508 is located above the second interphase lower partition I504b and the third interphase lower partition I503b, and is for the short-circuit part III303c to pass through. At least a portion of the short-circuit part III303c close to the first side surface S1 is embedded in the second transition groove 508, and the rest is exposed outside the second transition groove 508, also called the second exposed portion 303c0 (that is, there is a second exposed portion 303c0 in the depth direction H). The insulating cover 400 is provided with a second baffle 406, which extends between the second interphase lower partition I504b and the third interphase lower partition I503b, that is, it is located on one side of one of the second interphase lower partitions I504b and is staggered with it, so that the second baffle 406 blocks the position corresponding to part of the second exposed portion, further improving the insulation performance.

[0087] A wiring seat 407 is provided on the surface of the insulating outer cover 400 away from the first side surface S1. The wiring seat 407 here has three separated wiring chambers 408. The wiring chamber 408 has a third connecting portion 306. The third connecting portion 306 here is also a part of the conductive component. The third connecting portion 306 is connected to the short-circuit portion 303. The connection method between the third connecting portion 306 and the short-circuit portion 303 can refer to the several implementation methods of the conductive component mentioned above, which will not be repeated here.

[0088] In order to facilitate the installation of the circuit board assembly, the circuit board cover 600, a part of the surface of the insulating cover 400 away from the first side surface S1, the first lower shell 201, and the second lower shell 202 together form a storage space, and the storage space here is used to place the circuit board 700. The specific setting method is that the surface of the insulating cover 400 away from the first side surface S1 has two upper edges 409, and the two upper edges 409 are located on both sides of the wiring seat 407, and the first lower shell 201 and the second lower shell 202 together form a lower edge 2012. The upper part of the circuit board cover 600 is covered on the two upper edges 409 (the wiring seat 407 is exposed outside the circuit board cover 600), and the lower part of the circuit board cover 600 is in contact with the lower edge 2012. Here, the circuit board cover 600 is fixed by a screw combined with a buckle. Of course, it can also be fixed by a single screw or a single buckle.

[0089] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without contradiction.

[0090] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A combination switch, comprising a first contactor module, a second contactor module and a three-phase conductive component, wherein the first contactor module and the second contactor module are arranged along the length direction of the combination switch; the first contactor module comprises a first upper shell and a three-phase first static contact arranged in the first upper shell, the second contactor module comprises a second upper shell and a three-phase second static contact arranged in the second upper shell, and the first static contact and the second static contact of the same phase are connected through a group of conductive components; characterized in that: The three-phase conductive components all include a first connecting part, a second connecting part and a short-circuit part, the first connecting part is connected to the first static contact, the second connecting part is connected to the second static contact, and the short-circuit part connects the first connecting part and the second connecting part; all conductive components include exposed parts located outside the first upper shell and the second upper shell, the exposed parts include at least a part of the first connecting part, at least a part of the second connecting part and the short-circuit part; also include an insulating outer cover and an insulating lining, the insulating outer cover is located on one side of the first upper shell and the second upper shell, the insulating lining is located between the insulating outer cover and the first upper shell and the second upper shell, and the insulating outer cover, the insulating lining, the first upper shell and the second upper shell together separate the exposed parts of the three-phase conductive components.

2. A combination switch according to claim 1, characterized in that: The first static contact, the first connecting portion, the short-circuit portion, the second connecting portion and the second static contact of the same phase are an integrated part; Or, the first static contact, the first connecting portion, the short-circuit portion, the second connecting portion and the second static contact of the same phase are all independent, and two adjacent parts are fastened by fasteners; Alternatively, the five parts of the first static contact, the first connecting part, the short-circuit part, the second connecting part and the second static contact of the same phase are formed by at least two separate components, and the separate components are fastened with fasteners.

3. A combination switch according to claim 1, characterized in that: All first connection parts and all second connection parts are staggered in the length direction of the combination switch; the short-circuit parts of the three-phase conductive components are short-circuit part I, short-circuit part II and short-circuit part III respectively, and in the height direction of the combination switch, short-circuit part I is located above short-circuit part II, and short-circuit part II is located above short-circuit part III; the insulating lining includes a substrate and two groups of first phase partition plates and two groups of second phase partition plates connected to the substrate; the substrate is sleeved on the short-circuit part II, and the substrate separates the three short-circuit parts in the height direction of the combination switch; the first upper shell is provided with two groups of first phase spacing rib groups, and the second upper shell is provided with two groups of second phase spacing rib groups, the first phase partition plates correspond to the first phase spacing rib groups one by one and are staggered to form a first staggered structure, and the second phase partition plates correspond to the second phase spacing rib groups one by one and are staggered to form a second staggered structure; in the length direction of the combination switch, the first staggered structure and the substrate jointly separate the three-phase first connection parts, and the second staggered structure and the substrate jointly separate the three-phase second connection parts.

4. A combination switch according to claim 3, characterized in that: Each group of first phase partition plates includes a first phase upper partition plate I and a first phase lower partition plate I, the first phase upper partition plate I is connected to the upper end of the base, and the first phase lower partition plate I is connected to the lower end of the base, and each group of first phase partition rib groups includes a first phase upper partition rib and a first phase lower partition rib; the first phase upper partition plate I and the first phase upper partition rib are staggered, and the first phase lower partition plate I and the first phase lower partition rib are staggered to form a first staggered structure together; each group of second phase partition plates includes a second phase upper partition plate I and a second phase lower partition plate I, the second phase upper partition plate I is connected to the upper end of the base, and the second phase lower partition plate I is connected to the lower end of the base, and each group of second phase partition rib groups includes a second phase upper partition rib and a second phase lower partition rib; the second phase upper partition plate I and the second phase upper partition rib are staggered, and the second phase lower partition plate I and the second phase lower partition rib are staggered to form a second staggered structure together.

5. A combination switch according to claim 3, characterized in that: The base is also provided with a third phase partition plate group I connected to the base, the first upper shell and the second upper shell are connected through a transition shell, the transition shell is provided with a third phase partition rib group, and the third phase partition plate group I and the third phase partition rib group are staggered to form a third staggered structure; And / or, a third phase partition group I connected to the base is further provided on the base, a third phase partition group II is further provided on the outer cover, and the third phase partition group I and the third phase partition group II are staggered to form a fourth staggered structure.

6. A combination switch according to claim 4, characterized in that: The base is provided with a first upper extension portion, a first lower extension portion, a second upper extension portion and a second lower extension portion; the first upper extension portion and the first lower extension portion are located on the upper and lower sides of the first connection portion corresponding to the short-circuit portion II, and the second upper extension portion and the second lower extension portion are located on the upper and lower sides of the second connection portion corresponding to the short-circuit portion II; the first upper extension portion and the first lower extension portion both extend to between the two first spaced rib groups and are staggered, and the second upper extension portion and the second lower extension portion both extend to between the two second spaced rib groups and are staggered.

7. A combination switch according to claim 4, characterized in that: The base is provided with a first plug-in portion surrounding the short-circuit portion II, and the outer cover is provided with a second plug-in portion, and the first plug-in portion and the second plug-in portion form a fifth staggered structure; wherein one of the first plug-in portion and the second plug-in portion is a protrusion, and the other is a groove.

8. A combination switch according to claim 4, characterized in that: The outer cover is provided with a first interphase upper partition plate II, a first interphase lower partition plate II, a second interphase upper partition plate II and a second interphase lower partition plate II. The first interphase upper partition plate II corresponds to the first interphase upper partition plate I and the two are staggered, the first interphase lower partition plate II corresponds to the first interphase lower partition plate I and the two are staggered, the second interphase upper partition plate II corresponds to the second interphase upper partition plate I and the two are staggered, and the second interphase lower partition plate II corresponds to the second interphase lower partition plate I and the two are staggered.

9. A combination switch according to claim 4, characterized in that: The base is provided with a first transition groove and a second transition groove, the length directions of the first transition groove and the second transition groove are the same as the length direction of the combination switch, the short-circuit portion I passes through the first transition groove, and the short-circuit portion III passes through the second transition groove; in the depth direction of the first transition groove and the second transition groove, the short-circuit portion I has a first exposed portion located outside the first transition groove, and the short-circuit portion III has a second exposed portion located outside the second transition groove; a first baffle and a second baffle are provided on the insulating cover, the first baffle extends to one side of the first interphase upper partition plate I and is arranged alternately therewith, the second baffle extends to one side of the second interphase lower partition plate I and is arranged alternately therewith, the first baffle blocks part of the first exposed portion, and the second baffle blocks part of the second exposed portion.

10. A combination switch according to any one of claims 1 to 9, characterized in that: It also includes a circuit board cover, the first contactor module also includes a first lower shell, the second contactor module includes a second lower shell, the first upper shell is fixed to the first lower shell, the second upper shell is fixed to the second lower shell, one side of the insulating cover, the first lower shell, the second upper shell and the circuit board cover together form a receiving space, and the circuit board assembly is arranged in the receiving space; Or, the insulating housing is provided with a wiring seat, and three wiring chambers are provided in the wiring seat, and a third wiring part is provided in each wiring chamber, and the wiring part is also a part of the conductive component, and the three wiring parts correspond to the short-circuit part one by one and are connected; Or, the first upper shell includes a first upper sub-shell I and a first upper sub-shell II which are detachably connected and fixed, the first upper sub-shell II is located below the first upper sub-shell I and the first upper sub-shell II is at least partially beyond the first upper sub-shell I, the first upper sub-shell I and the first upper sub-shell II jointly form a first clearance installation groove, the second upper shell includes a second upper sub-shell I and a second upper sub-shell II which are detachably connected, the second upper sub-shell II is located below the second upper sub-shell I and the second upper sub-shell II is at least partially beyond the second upper sub-shell I, the second upper sub-shell I and the second upper sub-shell II jointly form a second clearance installation groove, and the insulating lining is arranged in the first clearance installation groove and the second clearance installation groove; Alternatively, the first upper shell part is recessed to form a first clearance installation groove, the second upper shell part is recessed to form a second clearance installation groove, and the insulating lining is arranged in the first clearance installation groove and the second clearance installation groove.

Images