Switching device and switching device module

Abstract

The invention relates to the technical field of switching devices, in particular to a switching device, a switching device module and a switching device, the switching device comprises a shell and at least two wiring terminals, the shell comprises a mounting end face, each wiring terminal comprises a wiring part, and the wiring part of at least one wiring terminal is arranged on the mounting end face of the shell. The wiring part of the wiring terminal arranged on the mounting end face of the shell is a hard conductor and is provided with a mounting structure, and the wiring terminal and a mounted object are mounted and fixed through the mounting structure of the hard conductor, so that the switching device is mounted and fixed on the mounted object and is conductively connected to an external loop; a plurality of switching devices are assembled to form a switching device module. By means of the installation structure, installation and connection of the switching device and the installed object can be achieved, conductive connection of the switching device and an external loop can also be achieved, operation steps of the switching device in the installation and wiring process are reduced, the operation process is simplified, and the installation and wiring efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of switch electrical appliances, and in particular to a switch electrical appliance and a switch electrical appliance module. Background Art

[0002] In existing switchgear, the wiring terminals for connecting to the external circuit are placed on different sides of the switchgear, and the switchgear needs to be turned over several times during wiring. In particular, for a double-pole circuit breaker, each circuit breaker has at least four wiring terminals, namely, an L-pole inlet terminal, an L-pole outlet terminal, an N-pole inlet terminal, and an N-pole outlet terminal. If each wiring terminal is placed on different sides of the circuit breaker, installation becomes more complicated.

[0003] In addition, in actual use, it is often necessary to assemble multiple switch electrical appliances to form a modular structure, but the side where the wiring terminals are set cannot be installed adjacent to other switch electrical appliances, which is not conducive to the modularization of the switch electrical appliances.

[0004] Finally, during the installation and wiring process of the switch, the installation and fixation of the switch is achieved by connecting the installation structure set on the switch housing with the installed object (the installed object includes the installation bracket, installation box and other mechanical structural parts of the switch), and the conductive connection between the switch and the external circuit is achieved through the wiring terminal. The existing structure usually has the installation structure and the wiring terminal set separately, which occupies more space in the switch housing, is not conducive to the miniaturization of the switch, and this structure requires the installation and wiring of the switch to be operated separately, making the overall operation more cumbersome. Summary of the invention

[0005] The purpose of the present invention is to solve the above technical problems and to provide a switch device and a switch device module with optimized structure, so as to improve the convenience of installation and fixation of the switch device and its conductive connection with an external circuit.

[0006] To achieve the above object, the technical solution of the present invention includes:

[0007] A switching device comprises a housing and at least two wiring terminals, wherein the housing comprises a mounting end face, and the direction of the switching device facing the object to be installed when the switching device is installed is defined as the bottom, and the mounting end face is located in the direction of the housing facing the bottom, and the wiring terminal comprises a connecting portion and a wiring portion, wherein the connecting portion is connected to a moving contact or a stationary contact for forming an electrical connection between the moving contact or the stationary contact and the wiring portion, and the wiring portion of at least one of the wiring terminals is arranged on the mounting end face of the housing, and the wiring portion of the wiring terminal arranged on the mounting end face of the housing is a hard conductor and has a mounting structure, and the switching device is installed and fixed to the object to be installed by means of the mounting structure of the hard conductor, so that the switching device is both installed and fixed to the object to be installed and conductively connected to an external circuit.

[0008] In one embodiment, the mounting structure is a mounting hole.

[0009] In one embodiment, the mounting hole is a threaded hole.

[0010] In one embodiment, there are a plurality of connection terminals disposed on the mounting end surface of the housing.

[0011] In one embodiment, the switch electrical appliance is further provided with an exhaust port for exhausting the gas in the housing, and the exhaust port is arranged on the installation end surface.

[0012] In one embodiment, the mounting end surface is provided with at least one flange extending in the direction toward the bottom, and the flanges are respectively arranged along the circumferential periphery of the wiring portion and / or the exhaust port, so that the flanges are used to form an isolation structure between the exhaust port and the wiring portion and / or an installation limiting structure of the wiring portion.

[0013] In one embodiment, the switching device is a bipolar circuit breaker, and the connection terminals include an L-pole first connection terminal, an L-pole second connection terminal, an N-pole first connection terminal and an N-pole second connection terminal, and the connection parts of the L-pole second connection terminal, the N-pole first connection terminal and the N-pole second connection terminal are arranged on the mounting end surface.

[0014] The technical solution of the present invention also includes:

[0015] A switch electrical appliance module comprises at least two switch electrical appliances, wherein the switch electrical appliances are the above-mentioned switch electrical appliances, and at least one of the connection terminals of any of the switch electrical appliances arranged on the mounting end surface of the shell is electrically connected to the corresponding connection terminals of any of the other switch electrical appliances through a conductive connector.

[0016] In one embodiment, the conductive connector is a copper busbar, which is electrically connected to the wiring terminal by being threadedly connected to the mounting structure of the wiring portion, thereby forming an electrical connection between the corresponding wiring terminals of the switch electrical appliances.

[0017] In one embodiment, there are at least three connection terminals arranged on the mounting end surface of the shell, including a first polarity end and a second polarity end, and the middle part of the mounting end surface is defined as the inner side relative to the direction of the edge, and the first polarity end is arranged on the inner side of the second polarity end.

[0018] In one embodiment, the switch devices are arranged side by side and the mounting end surfaces of the switch devices face the same side.

[0019] In one embodiment, four switching devices are included, and the four switching devices are arranged in a rectangular shape. A first polarity end and a second polarity end are electrically connected through a conductive connector respectively, and the conductive connector connecting the first polarity ends forms a rectangular or quasi-rectangular ring structure, and the conductive connector connecting the second polarity ends is located inside the ring structure.

[0020] The beneficial effects of the present invention are:

[0021] 1. The present invention arranges the wiring terminal on the installation end surface, and arranges the wiring part as a hard conductor and has an installation structure, so as to combine the wiring terminal with the installation structure. Through the installation structure, both the installation connection between the switch and the installed object and the conductive connection between the switch and the external circuit can be realized, so that the installation and fixation of the switch and the connection of the external circuit are organically combined with the wiring part of the wiring terminal, reducing the operation steps of the switch during the installation and wiring process, simplifying the operation process, improving the installation and wiring efficiency, and improving the overall operation convenience.

[0022] 2. The wiring part of the mounting end face is set to be electrically connected to the external circuit through a threaded connection. Furthermore, the external circuit is connected to the wiring part by screwing a screw-like threaded connector to a threaded hole or a nut. During the locking operation, there is no need to flip the switch electrical appliance multiple times, thereby improving the convenience of the wiring operation.

[0023] 3. When multiple switch electrical appliances are assembled to form a module, the corresponding terminals are electrically connected through the copper busbar, so that the external circuit can be electrically connected to the corresponding terminals of other switch electrical appliances in the switch electrical appliance module simply by connecting the copper busbar or connecting one of the terminals, which simplifies the wiring operation, reduces the requirements for installation space, and further improves the convenience of wiring operation.

[0024] 4. The copper busbars connecting the corresponding terminals of multiple switching electrical appliances are also connected to the mounting structure. Therefore, the mounting structure of the wiring part can realize the three functions of connecting the terminal blocks between the switching electrical appliances, installing and fixing the switching electrical appliances, and electrically connecting the switching electrical appliances to the external circuit. That is, only one installation is required to realize three different connections, which further simplifies the installation and wiring process and further improves the installation and wiring efficiency of the switching electrical appliances. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a stereogram of embodiment 1 of the present invention.

[0026] Figure 2 It is an exploded view of embodiment 1 of the present invention.

[0027] Figure 3 It is a structural diagram of the installation state of embodiment 1 of the present invention.

[0028] Figure 4 yes Figure 3 Structural drawing without mounting bracket.

[0029] Figure 5 It is a front view of the mounting end surface of embodiment 2 of the present invention.

[0030] Figure 6 It is a front view of one side end surface of Example 2 of the present invention.

[0031] Wherein: 1 shell, 101 first side cover, 102 second side cover, 11 mounting end surface, 12 top end surface, 13 side end surface, 20 connection terminal, 21 L pole first connection terminal, 22 L pole second connection terminal, 23 N pole first connection terminal, 24 N pole second connection terminal, 201 connection part, 202 connection part, 2021 threaded hole, 3 base, 4 L pole conductive system, 5 N pole conductive system, 6 exhaust channel, 60 exhaust port, 7 flange, 71 first flange, 72 second flange;

[0032] J mounting bracket, W mounting structure;

[0033] 100 switch electrical appliance, 200 conductive connecting piece, 210 first copper bar, 220 second copper bar, N-pole conductive sheet 300, L-pole conductive sheet 400. DETAILED DESCRIPTION

[0034] To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0035] Example 1

[0036] See also Figure 1 and Figure 2 As shown, the present invention discloses a switch device, including a housing 1 and at least two terminals 20. The switch device in this example is a circuit breaker 100, more specifically a double-pole circuit breaker, and there are four terminals 20, namely, a first L-pole terminal 21, a second L-pole terminal 22, a first N-pole terminal 23, and a second N-pole terminal 24. In other embodiments, the circuit breaker may be a multi-level circuit breaker such as a three-level or four-level circuit breaker, and the corresponding terminals are two, six, eight or more; and the terminals are not limited to the L-pole for connecting the live wire and the N-pole for connecting the neutral wire, and may also be provided with only the L-pole terminal for connecting the live wire.

[0037] The housing 1 includes a first side cover 101 and a second side cover 102. A base 3 is provided between the first side cover 101 and the second side cover 102. An L-pole conductive system 4 is provided between the first side cover 101 and the base 3. An N-pole conductive system 5 is provided between the second side cover 102 and the base 3. The L-pole conductive system 4 and the N-pole conductive system 5 are provided with a moving contact and a stationary contact, respectively. The L-pole first terminal 21 and the L-pole second terminal 22 are respectively connected to the moving contact and the stationary contact of the L-pole conductive system 4. The N-pole first terminal 23 and the N-pole second terminal 24 are respectively connected to control the moving contact and the stationary contact connected to the N-pole conductive system 5, thereby controlling the on-off of an external circuit connected to the terminal through the corresponding conductive system.

[0038] See also Figures 1 to 3 As shown, the housing 1 includes a mounting end surface 11. The direction of the switch electrical appliance facing the object to be installed when installed is defined as the bottom. The mounting end surface 11 is located in the direction of the housing 1 facing the bottom. Figure 2 The X direction shown is the bottom direction. The housing 1 of this example is a square structure with six end faces, the end face away from the bottom direction is the top end face 12 of the housing 1, and the end face parallel to the bottom direction is the side end face 13 of the housing 1. The terminal 20 includes a connecting portion 201 and a wiring portion 202, the connecting portion 201 is connected to the moving contact or the stationary contact to form an electrical connection between the moving contact or the stationary contact and the wiring portion 202, at least one wiring portion 202 of the terminal 20 is arranged on the mounting end face 11 of the housing 1, and the wiring portion 202 of the terminal 20 arranged on the mounting end face 11 of the housing 1 is a hard conductor and has a mounting structure W, and is mounted and fixed to the object to be installed by the mounting structure W of the hard conductor, so that the circuit breaker is both mounted and fixed to the object to be installed and conductively connected to the external circuit.

[0039] Among them, the object to be installed refers to the mounting bracket J for installing the switch electrical appliance, and its specific structure is the existing technology. The circuit breaker or other switch electrical appliances are connected to the mounting bracket J to realize the installation and fixation of the switch electrical appliance. The external circuit refers to the external load controlled by the switch electrical appliance. The external load is connected to the mounting structure W of the wiring part 202 through an external conductive device such as a conductive wire or a conductive rod to realize the conductive connection between the switch electrical appliance and the external circuit. The switch electrical appliance of the present invention is installed and fixed to the object to be installed by the mounting structure W set by the wiring terminal 20 set on the installation end face 11, and the wiring part 202 of the wiring terminal 20 is a hard conductor and has a mounting structure W. The wiring part 202 is connected to the external conductive device through the mounting structure W to realize the electrical connection of the wiring part 202 to the external circuit, thereby realizing the installation and fixation of the switch electrical appliance and the electrical connection of the switch electrical appliance to the external circuit. That is, the wiring terminal 20 has both the function of conductive connection to the external circuit and the installation function.

[0040] The wiring part 202 of this example is arranged on the mounting end face 11 and the side end face 13 of the housing 1, more specifically, the wiring part 202 of the L-pole second wiring terminal 22, the N-pole first wiring terminal 23 and the N-pole second wiring terminal 24 is arranged on the mounting end face 11 of the housing 1, and the wiring part of the L-pole first wiring terminal 21 is arranged on the side end face 13 of the housing 1. In this embodiment, the wiring part 202 is distributed on two different end faces of the housing 1 (i.e., the mounting end face 11 and the side end face 13). Compared with the scheme that each wiring part 202 is distributed on different end faces or all wiring parts 202 are distributed on more than two end faces, this example can reduce the distribution end faces of the wiring part 202, thereby reducing the number of times the circuit breaker 100 is turned over during the connection of the external conductive device. In other embodiments, when there is enough space on the mounting end face 11, all the wiring terminals can also be arranged on the mounting end face, so that the arrangement of the wiring terminals is more concentrated, and the number of times the switch electrical appliance is turned over during wiring is further reduced.

[0041] Among them, the external conductive device refers to the electrical connecting wires, specifically the live wire and the neutral wire in this example, the L-pole first terminal 21 and the L-pole second terminal 22 are respectively used to directly or indirectly connect the live wire, and the corresponding moving contact and static contact control the on and off of the two live wires, the N-pole first terminal 23 and the N-pole second terminal 24 are respectively used to connect the neutral wire, and the corresponding moving contact and static contact control the on and off of the two neutral wires.

[0042] Continue reading Figures 1 to 3As shown, the wiring part 202 is provided on the mounting end surface 11 of the housing 1, and each wiring terminal 20 is connected to the external conductive device through a threaded connection. In this example, the wiring part 202 is provided with a threaded hole 2021, and the wiring part 202 is threadedly connected with the external conductive device through the threaded hole 2021, so that the threaded hole 2021 forms the mounting structure W of the wiring part 202, and the threaded hole 2021 is integrally formed on the wiring part 202. In other embodiments, the threaded connection between the wiring part 202 and the external conductive device can also be achieved by a nut provided on the wiring part 202, and the nut is conductively connected to the wiring part 202, so that the nut forms the mounting structure W of the wiring part 202, and the threaded hole formed by the nut is separately connected to the wiring part 202. More specifically: the nut can be set on one end face of the wiring part 202, and the wiring part 202 is provided with a through hole corresponding to the nut screw hole, so that the screw can be inserted into the through hole and the nut; the nut can also be set on one side of the wiring part 202 and form a conductive contact with the wiring part. In this case, the wiring part does not block the screw hole of the nut, so there is no need to open a hole. During the wiring operation, the external conductive device can be electrically connected to the wiring part 202 by a screw screwed into the threaded hole 2021 or the nut, that is, the L-pole second wiring terminal 22, the N-pole first wiring terminal 23 and the N-pole second wiring terminal 24 are connected by screws.

[0043] In addition to the above two threaded hole structures, the mounting structure W can also be other mounting hole structures, such as a plug-in hole. In addition, the mounting structure can also be other non-hole structures, such as a mounting clip structure.

[0044] The connection part of the L-pole first terminal 21 is arranged on the side end surface 13 of the housing 1. The connection part is a card slot structure, which is connected to the external conductive device by plugging. The plugging operation is simple and fast, and the live wire as the external conductive device can be inserted into the connection part of the L-pole first terminal 21 without flipping the switch 100. It should be noted that the plug-in connection between the L-pole first terminal 21 and the external conductive device is a prior art and will not be described in detail here.

[0045] For the wiring parts 202 arranged on the installation end surface 11, that is, the wiring parts 202 of the L-pole second wiring terminal 22, the N-pole first wiring terminal 23 and the N-pole second wiring terminal 24, a plane is provided on the side of these wiring parts 202 away from the connecting part 201 to facilitate the positioning of the external conductive device through the plane to improve the stability of the connection.

[0046] In the above embodiment, there are three wiring terminals 20 arranged on the mounting end surface 11, namely, the L-pole second wiring terminal 22, the N-pole first wiring terminal 23 and the N-pole second wiring terminal 24. In other embodiments, there may be one or other number of wiring terminals 20 arranged on the mounting end surface 11, such as two, four or other wiring terminals 20 arranged on the mounting end surface 11. The more wiring terminals are arranged on the mounting end surface 11, the more mounting structures W there are to realize that the switch is mounted and fixed on the mounted object, which is more beneficial to the stable installation of the switch. The three wiring terminals 20 in this example can form a triangle connection between the switch and the mounted object, further improving the stability of the installation of the switch.

[0047] See also Figures 1 to 3 As shown, the circuit breaker is also provided with an exhaust port 60, and the exhaust port 60 is connected to the exhaust channel 6 inside the circuit breaker (the exhaust channel 6 is shown in FIG. Figure 6 ) is connected to discharge the charged gas in the circuit breaker. The present invention sets the exhaust port 60 on the installation end face 11 of the switch electrical appliance, and the discharged gas is directed toward the direction where the installed object is located, so as to prevent the discharged charged gas from splashing to the surrounding devices. The installation end face 11 is also provided with a plurality of flanges 70 extending in the direction of the bottom. The flanges in this example include a first flange 71 and a second flange 72. The first flange 71 is arranged along the circumferential periphery of the exhaust port 60, and the second flange 72 is arranged along the circumferential periphery of the wiring portion 202, so that the first flange 71 forms an isolation structure between the exhaust port 60 and the wiring portion 202, preventing the charged gas discharged from the exhaust port 60 from splashing to the external conductive device connected to the wiring portion 202 and the devices arranged around the circuit breaker, and the second flange 72 forms an installation limit structure of the wiring portion 202. In addition, the presence of the first flange 71 and the second flange 72 can also form a gap between the installation end face 11 of the switch electrical appliance and the installed object, so as to facilitate the conductive connection between the wiring portion 202 and the external conductive device.

[0048] Among them, the first flange 71 and the second flange 72 are respectively arranged along the circumferential periphery of the exhaust port 60 and the wiring portion 202, and are not limited to being arranged around the exhaust port 60 or the wiring portion 202, as long as they are partially extended in the circumference of the exhaust port 60 or the wiring portion 202, and the extension is not limited to an uninterrupted continuous extension, but can also be a discontinuous extension with interruptions. The first flange 71 of this example is a discontinuous and intermittent extension around the exhaust port 60, and it extends roughly in a mouth shape to form a structure surrounding the exhaust port 60. Since the first flange 71 is an intermittent extension, a notch 711 is formed, and the notch 711 can form a discharge port for charged gas. When the bottom of the first flange 71 forms a closed connection with the installed object, the notch 711 can discharge the charged gas. The second flange 72 extends continuously, and is a semi-enclosed structure that partially surrounds the wiring portion 202 of the N-pole second terminal 24, thereby forming a accommodating space for accommodating an external circuit on one side of the wiring portion 202, and the semi-enclosed structure of the second flange 72 forms an external circuit limiting structure.

[0049] The L-pole second terminal 22 is arranged between the first flange 71 and the second flange 72, so that the space between the first flange 71 and the second flange 72 can form a accommodating space for an external circuit connected to the L-pole second terminal 22, and the first flange 71 and the second flange 72 cooperate to form an installation limiting structure for the external circuit.

[0050] Among them, the external circuit accommodated in the above-mentioned accommodating space is not limited to the external conductive device connected to the external load (such as the N-pole conductive sheet 300 and the L-pole conductive sheet 400 described in Example 2), but can also be a conductive connector that electrically connects multiple switching electrical devices (the conductive connector also belongs to the external conductive device), such as the copper busbar described in Example 2. The external circuit is indirectly connected to the wiring portion 202 by connecting to the external conductive device or is indirectly connected to the wiring portion 202 by connecting to the copper busbar.

[0051] In this example, there are two flanges 70, namely a first flange 71 and a second flange 72. In other embodiments, only one flange 70 or more than two flanges 70 may be provided. For example, only the first flange 71 is provided to form an isolation structure between the exhaust port 60 and the wiring portion 202, and only the second flange 72 is provided to form a limiting structure of the external circuit connected to the N-pole second wiring terminal 24.

[0052] The L-pole second terminal 22 is arranged between the N-pole first terminal 23 and the N-pole second terminal 24, and the distance between the two terminals 20 of the same polarity (the N-pole first terminal 23 and the N-pole second terminal 24) is arranged to be relatively far, so as to prevent the external circuit connected to the two terminals 20 of the same polarity from forming an electrical connection. The L-pole second terminal 22 of different polarity is arranged between the two terminals 20 of the same polarity, and a more compact layout is achieved by utilizing the limited space of the mounting end surface 11.

[0053] Example 2

[0054] See also Figures 3 to 6 As shown, the present invention also discloses a switch electrical module. The switch electrical module in this example is a circuit breaker module, including at least two circuit breakers 100. The circuit breakers are the bipolar circuit breakers of Example 1. The specific structure of the circuit breaker has been described in Example 1 and will not be described in detail here. At least one wiring terminal 20 of any circuit breaker 100 is electrically connected to the corresponding wiring terminal 20 of the other circuit breaker through a conductive connector 200, and the wiring terminal 20 electrically connected to the wiring terminal 20 of the other circuit breaker 100 is a wiring terminal 20 arranged on the mounting end surface 11 of the housing 1. In this example, the L-pole second terminal 22 and the N-pole second terminal 24 of each circuit breaker 100 in a module are electrically connected through the conductive connector 200, and the conductive connector 200 is connected to the corresponding terminals in different circuit breakers 100, that is, the L-pole second terminal 22 of each circuit breaker 100 is electrically connected through a conductive connector 200, and the N-pole second terminal 24 of each circuit breaker 100 is electrically connected through a conductive connector 200. Thus, the L-pole second terminal 22 and the N-pole second terminal 24 are connected to the external circuit through the conductive connector 200. The N-pole first terminal 23 of each circuit breaker is connected to the external circuit through a conductive sheet extending to one side of the circuit breaker 100 alone. More specifically, the N-pole first terminal 23 of each circuit breaker 100 is connected to the external circuit through the N-pole conductive sheet 300 alone. The L-pole first terminal 21 of each circuit breaker 100 is connected to the external circuit through the L-pole conductive sheet 400 alone.

[0055] The L-pole first terminal 21 and the L-pole second terminal 22 form a first polarity end, and the N-pole first terminal 23 and the N-pole second terminal 24 form a second polarity end. In this example, a first polarity end (i.e., the L-pole second terminal 22) and two second polarity ends (i.e., the N-pole first terminal 23 and the N-pole second terminal 24) are provided on the mounting end surface 11. The middle of the mounting end surface 11 is defined as the inner side relative to the direction where its edge is located. In this example, the direction in which the two second polarity ends face each other is the inner side. The first polarity end is provided on the inner side of the second polarity end, so that the first polarity end on the mounting end surface 11 and one of the second polarity ends are electrically connected through the conductive connector 200. In this example, the L-pole first terminal 21 is provided on the side end surface 13. In other embodiments, it is also feasible to provide the L-pole first terminal 21 on the mounting end surface, and it is only necessary to change the structure of the L-pole first terminal 21 accordingly.

[0056] The conductive connector 200 in this example is a copper bar with a threaded hole, which is electrically connected to the wiring terminal 20 through a threaded connection formed by a screw and the threaded hole, so that the corresponding wiring terminals 20 between different switching devices 100 are electrically connected. In other embodiments, the conductive connector 200 can also be in other forms, such as a conductive rod.

[0057] The circuit breaker module of this example is composed of four circuit breakers 100, which are arranged in a rectangular shape, and adjacent circuit breakers 100 are connected against each other. The mounting end face 11 and the side end face 13 of the wiring part provided with the wiring terminal 20 are exposed, so as to facilitate the electrical connection between the external conductive device and the wiring part. The mounting end face 11 faces the same side, so as to facilitate the electrical connection of the wiring terminals of each circuit breaker through the copper busbar, and also makes the wiring part 202 arranged on the mounting end face 11 face the same side, reducing the number of times the circuit breaker 100 is turned over during the wiring operation, further simplifying the wiring operation of the circuit breaker 100, and improving the wiring convenience.

[0058] The housing 1 of the circuit breaker 100 of this example is a roughly rectangular structure, so the rectangular arrangement of the four circuit breakers 100 makes the circuit breaker module structure more compact, and the abutment connection of the circuit breakers 100 can reduce the overall volume of the circuit breaker module and reduce the space occupied by the circuit breaker module. In other embodiments, for circuit breakers 100 of other structures, it is also feasible to adopt other arrangements that are conducive to compact layout.

[0059] Since the present example is a module formed by a rectangular arrangement of four circuit breakers 100, correspondingly, the copper bar connected to the L-pole second terminal 22 (defined as "first copper bar 210") is also an annular structure. In order to adapt to the structure of the circuit breaker, the copper bar is formed into a rectangular annular structure with a small amount of bends and protrusions, and its general shape is close to a rectangle. In other embodiments, if the structure of the circuit breaker and the arrangement of the L-pole second terminal 22 allow, the copper bar can also be a rectangular structure. The copper bar connected to the N-pole second terminal 24 (defined as "second copper bar 220") is located in the annular structure of the first copper bar 210, and the overall structural layout is more reasonable.

[0060] The first flange 71 forms an installation limiting structure for the first copper bar 210 , and the first flange 71 and the second flange 72 cooperate to form an installation limiting structure for the second copper bar 220 , which is beneficial to the installation and fixation of the first copper bar 210 and the second copper bar 220 .

[0061] In addition to the bipolar circuit breaker, the circuit breaker described in Embodiment 2 may also be a single-pole circuit breaker or other multi-pole circuit breakers with more than two poles.

[0062] In the structures described in Example 1 and Example 2, in addition to the circuit breaker, other switching devices, such as disconnectors, may also be used. The switching device described in the present invention refers to the switching device defined in terms in GB / T 5226.1-2019 / IEC 60204-1:2016, that is, an appliance used to connect or disconnect one or more circuit currents, and its specific component form may be a circuit breaker, a relay, a disconnector, etc.

[0063] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that the remaining undescribed portions are prior art, and that various changes made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims shall fall within the scope of protection of the present invention.

Claims

1. A switch device, comprising a housing and at least two terminals, wherein the housing comprises a mounting end surface, Features: The direction of the switch electrical appliance facing the installed object when installed is defined as the bottom, the installation end face is located in the direction of the shell facing the bottom, the wiring terminal includes a connecting portion and a wiring portion, the connecting portion is connected to the moving contact or the static contact to form an electrical connection between the moving contact or the static contact and the wiring portion, the wiring portion of at least one of the wiring terminals is arranged on the installation end face of the shell, and the wiring portion of the wiring terminal arranged on the installation end face of the shell is a hard conductor and has a mounting structure, and the switch electrical appliance is installed and fixed to the installed object by means of the mounting structure of the hard conductor, so that the switch electrical appliance is both installed and fixed to the installed object and conductively connected to the external circuit.

2. A switch device according to claim 1, characterized in that: The mounting structure is a mounting hole.

3. A switch device according to claim 2, characterized in that: The mounting hole is a threaded hole.

4. A switch device according to claim 1, characterized in that: The connection terminals are arranged in plurality on the mounting end surface of the housing.

5. A switch device according to claim 1, characterized in that: The switch electrical appliance is also provided with an exhaust port for exhausting the gas in the shell, and the exhaust port is arranged on the installation end surface.

6. A switch device according to claim 5, characterized in that: The mounting end surface is provided with at least one flange extending in the direction of the bottom, and the flanges are respectively arranged along the circumferential periphery of the wiring portion and / or the exhaust port, so that the flanges are used to form an isolation structure between the exhaust port and the wiring portion and / or an installation limiting structure of the wiring portion.

7. A switch device according to claim 1, characterized in that: The switch device is a bipolar circuit breaker, wherein the connection terminals include a first L-pole connection terminal, a second L-pole connection terminal, a first N-pole connection terminal and a second N-pole connection terminal, and the connection parts of the second L-pole connection terminal, the first N-pole connection terminal and the second N-pole connection terminal are arranged on the installation end surface.

8. A switch electrical device module, comprising at least two switch electrical devices, characterized in that: The switch device is a switch device as described in any one of claims 1 to 7, and at least one of the wiring terminals of any of the switch devices arranged on the mounting end surface of the shell is electrically connected to the corresponding wiring terminals of any other of the switch devices through a conductive connector.

9. A switch electrical equipment module according to claim 8, characterized in that: The conductive connecting member is a copper busbar, which is electrically connected to the wiring terminal by being threadedly connected to the mounting structure of the wiring portion, so that the corresponding wiring terminals between the switching devices are electrically connected.

10. A switch electrical equipment module according to claim 8, characterized in that: There are at least three wiring terminals arranged on the mounting end surface of the shell, and the three wiring terminals include a first polarity end and two second polarity ends. The middle part of the mounting end surface is defined as the inner part relative to the direction where the edge is located, and the first polarity end is arranged on the inner side of the second polarity end.

11. A switch electrical equipment module according to claim 10, characterized in that: The switch devices are arranged side by side and the mounting end surfaces of the switch devices face the same side.

12. A switch electrical equipment module according to claim 11, characterized in that: It includes four switching devices, which are arranged in a rectangular shape. A first polarity end and a second polarity end are electrically connected through a conductive connector respectively. The conductive connector connecting the first polarity ends forms a rectangular or quasi-rectangular ring structure, and the conductive connector connecting the second polarity ends is located inside the ring structure.

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