Modular desktop charging station

Abstract

This application provides a modular desktop charging station, belonging to the field of desktop charging station technology. Addressing the issue of low reliability in connections between multiple modules in a desktop charging station, this application provides a modular desktop charging station, including a power input module comprising a first connecting mechanism and a first conductive element; and a functional module comprising a second connecting mechanism adapted to the first connecting mechanism and a second conductive element adapted to the first conductive element; one of the first and second connecting mechanisms includes a protrusion, and the other includes a groove and a locking element; the groove has an inlet / outlet portion and a limiting portion arranged sequentially along a first direction, and the locking element is movably disposed between the inlet / outlet portion and the limiting portion, and the locking element can switch between a locked state and an unlocked state; when the locking element is in the unlocked state, the protrusion can enter the limiting portion along the first direction from the inlet / outlet portion; when the locking element is in the locked state, the protrusion can be locked in the limiting portion, and the protrusion and the limiting portion cooperate to prevent the first and second connecting mechanisms from disengaging. This application achieves a detachable connection between the power input module and the functional module through the cooperation of the first and second connecting mechanisms, and the connection point can be locked by the locking element, improving connection reliability.

Description

Technical Field

[0001] This application relates to the field of desktop charging station technology, and more particularly to modular desktop charging stations. Background Technology

[0002] With the development of technology, mobile phones, computers, and other electronic devices are being used more and more frequently in people's lives and work, and the corresponding charging demand is also increasing. Existing desktop charging stations have certain limitations and cannot meet diverse and personalized charging needs.

[0003] In the traditional charging station sector, most stations adopt an integrated design. The type and number of charging interfaces are relatively fixed, making it difficult to flexibly adapt to the charging needs of different users. For example, when a user owns multiple devices with different interface types, there may be insufficient or incompatible interfaces. Furthermore, if a charging station malfunctions, repair and replacement are difficult, potentially affecting overall usability.

[0004] Furthermore, existing desktop charging stations are inadequate in terms of scalability. As users accumulate more electronic devices, existing charging stations cannot easily expand the number of charging ports, forcing users to replace them with new ones, resulting in wasted resources and increased costs.

[0005] To address the aforementioned issues, existing technologies have offered corresponding improvements. For example, Chinese patent application CN222072784U, published on November 26, 2024, discloses a multi-functional desktop charging station, including a base, a charging module, and several functional modules. The base is used to connect to mains power. The charging module is electrically connected to the base and has a first positioning part and a first electrical contact. Each of the functional modules has a second positioning part and a second electrical contact. When the second positioning part and the first positioning part are aligned, the first electrical contact and the second electrical contact are electrically connected. Furthermore, one of the first positioning part and the second positioning part is a groove, and the other is a protrusion, with the protrusion embedded within the groove. In this multi-functional desktop charging station, the connection and disassembly of the functional modules are relatively convenient, making it easy for users to use. The drawback of this solution is that the reliability of the connection between multiple modules is relatively low. Utility Model Content

[0006] The purpose of this application is to address the problem of low reliability in the connection between multiple modules in existing desktop charging stations. Therefore, this application provides a modular desktop charging station that, through the cooperation of a first connecting mechanism and a second connecting mechanism, achieves a detachable connection between the power input module and the functional modules. Furthermore, the connection points can be locked using locking components, thereby improving connection reliability.

[0007] This application provides a modular desktop charging station, including:

[0008] A power input module for connecting to mains power, the power input module including a first connecting mechanism and a first conductive element;

[0009] The functional module includes a second connecting mechanism adapted to the first connecting mechanism, and a second conductive component adapted to the first conductive component; and,

[0010] The connection between the first conductive element and the second conductive element enables the electrical connection between the power input module and the functional module.

[0011] The first connecting mechanism and the second connecting mechanism are connected to enable a detachable connection between the power input module and the functional module;

[0012] One of the first connecting mechanism and the second connecting mechanism includes a protrusion, and the other includes a groove and a locking element;

[0013] The groove has an inlet / outlet portion and a limiting portion arranged sequentially along a first direction. The locking member is movably disposed between the inlet / outlet portion and the limiting portion, and the locking member can switch between a locked state and an unlocked state. When the locking member is in the unlocked state, the protrusion can enter the limiting portion from the inlet / outlet portion along the first direction. When the locking member is in the locked state, the protrusion can be locked in the limiting portion, and the protrusion and the limiting portion cooperate to prevent the first connecting mechanism and the second connecting mechanism from disengaging.

[0014] By adopting the above technical solution, the power input module and the functional module can be detachably connected through the cooperation of the first connection mechanism and the second connection mechanism, which facilitates flexible assembly and maintenance. In addition, the connection can be locked by a locking component, thereby improving the connection reliability and avoiding the problem that the desktop charging station is easily disintegrated due to accidental contact.

[0015] In some embodiments, one of the first conductive element and the second conductive element is an electrical plug-in position, and the other is an electrical plug-in pin;

[0016] The first conductive element and the first connecting mechanism are disposed on the same surface of the power input module, and the second conductive element and the second connecting mechanism are disposed on the same surface of the functional module;

[0017] The second conductive element, the inlet / outlet portion, and the limiting portion are arranged sequentially along the first direction, and the connection direction of the first conductive element and the second conductive element is the first direction, such that when the protrusion is located in the inlet / outlet portion, the first conductive element and the second conductive element are not connected, and when the protrusion is located in the limiting portion, the first conductive element and the second conductive element are connected.

[0018] By adopting the above technical solution, electrical connection between modules is achieved through the use of electrical plugs and electrical plug pins, thereby improving the reliability of electrical connection; and by setting the electrical connection direction between modules to be consistent with the assembly direction, the ease of assembly is improved.

[0019] In some embodiments, the electrical connector is disposed in a boss, and the boss and the protrusion are disposed on the same surface of the power input module;

[0020] The electrical connector pins are disposed within the clearance groove, and the clearance groove and the recess are provided on the same surface of the functional module.

[0021] In some embodiments, the locking member is connected to a reset member, and the reset member applies a reset force to the locking member, causing the locking member to tend to remain in the locked state.

[0022] In some embodiments, the locking member includes an operating part, a locking part, and abutting part, and the operating part, the locking part, the abutting part, and the reset member are arranged sequentially along a second direction perpendicular to the first direction, and the abutting part abuts against the reset member;

[0023] The locking part has a guide surface facing the inlet / outlet part, and when the protrusion enters the limiting part from the inlet / outlet part, the guide surface allows the locking member to switch to the unlocked state under the action of the protrusion.

[0024] In some embodiments, a limiting structure is provided near the first conductive element and the second conductive element, the limiting structure being triggered when the first conductive element and the second conductive element are fully connected;

[0025] The limiting structure consists of a matching circular protrusion and a circular groove.

[0026] In some embodiments, the bump includes a rod portion and a head located at the end of the rod portion, wherein the circumferential edge of the head protrudes beyond the circumferential edge of the rod portion;

[0027] The size of the inlet / outlet portion is adapted to the head, and the size of the limiting portion is smaller than the head.

[0028] In some embodiments, both the power input module and the functional module have connection holes at their bottoms, which are used to connect foot pads or brackets.

[0029] In some embodiments, the functional module is an AC charging module, a USB charging module, a retractable cable charging module, a wireless charging module, a screen module, or an audio module.

[0030] The functional module is also provided with the first connecting mechanism and the first conductive component.

[0031] In some embodiments, a power terminal module is further included, wherein the power terminal module is provided with the second connection mechanism and a closure member, the closure member being used to connect to the first conductive member and to shield the first conductive member.

[0032] In some embodiments, the power input module is provided with a plurality of first connecting mechanisms and a plurality of first conductive elements; the functional module is provided with a plurality of second connecting mechanisms and a plurality of second conductive elements.

[0033] In some embodiments, a trigger switch is provided between the power input module and the functional module, as well as between each of the functional modules. The trigger switch is used to control the on / off state of the first conductive element and the second conductive element when the first conductive element and the second conductive element are fully connected.

[0034] Other features and corresponding beneficial effects of this application will be described in the latter part of the specification, and it should be understood that at least some of the beneficial effects will become obvious from the description in this application. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of this application;

[0036] Figure 2 This is a schematic diagram of the functional modules in this application;

[0037] Figure 3 This is a structural schematic diagram of the functional modules in this application from another angle;

[0038] Figure 4 This is another structural schematic diagram of the functional modules in this application;

[0039] Figure 5 This is a schematic diagram of the structure of the functional module in this application after removing part of the outer shell.

[0040] Explanation of reference numerals in the attached figures:

[0041] 1. Power input module; 2. Functional module; 3. Power terminal module;

[0042] 11. Protrusion; 111. Rod; 112. Head;

[0043] 21. Electrical connector; 22. convex base; 23. Circular protrusion;

[0044] 31. Groove; 311. Inlet / outlet part; 312. Limiting part; 32. Locking element; 321. Operating part; 322. Locking part; 323. Abutting part; 33. Resetting element;

[0045] 41. Electrical connector pin; 42. Clearance groove; 43. Circular groove;

[0046] 50. Connecting hole; 51. Foot pad. Detailed Implementation

[0047] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Although the description of this application is presented in conjunction with preferred embodiments, this does not mean that the features of this application are limited to this embodiment. On the contrary, the purpose of describing the application in conjunction with embodiments is to cover other options or modifications that may be derived based on the claims of this application. To provide a thorough understanding of this application, many specific details will be included in the following description. This application may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this application, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0048] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0049] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this application and for simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more. Unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0050] Please see Figure 1 , Figure 1This is a schematic diagram of the structure of this application.

[0051] This application provides a modular desktop charging station, including a power input module 1 and a functional module 2.

[0052] The power input module 1 is used to connect to mains power to provide power to the desktop charging station. The power input module 1 is connected to a household outlet via a power cord. Preferably, the power input module 1 is equipped with a switch to control the on / off state of the entire circuit of the desktop charging station. Furthermore, the desktop charging station is equipped with a detection sensor, which can be integrated into the power input module 1. The detection sensor is used to issue an alarm or disconnect the circuit when the total current in the main circuit exceeds a certain threshold due to excessive loads from all modules, thus protecting the circuit.

[0053] Functional module 2 can be a charger that provides various types of power interfaces, including but not limited to AC charging modules, USB charging modules (including but not limited to Type-A, Type-B, Type-C, etc.), retractable cable charging modules, or wireless charging modules. Functional module 2 can also be a module that provides other functions, including but not limited to screen modules and speaker modules. The screen module can provide information such as date, time, and weather, while the speaker module can provide sound effect information.

[0054] The power input module 1 includes a first connecting mechanism and a first conductive element. The functional module 2 includes a second connecting mechanism adapted to the first connecting mechanism and a second conductive element adapted to the first conductive element. The connection of the first conductive element and the second conductive element enables the power input module 1 and the functional module 2 to be electrically connected. The connection of the first connecting mechanism and the second connecting mechanism enables the power input module 1 and the functional module 2 to be detachably connected, thereby facilitating flexible assembly and maintenance of both.

[0055] Preferably, the functional module 2 is further provided with a first connecting mechanism and a first conductive component, so as to realize the detachable connection between each functional module 2, so that the desktop charging station can be assembled from multiple modules. Users can combine different modules according to their own needs. When users need to add a certain charging interface, they only need to add the corresponding module.

[0056] Preferably, the power input module 1 is further provided with a second connecting mechanism and a second conductive component, so that it can be placed in the middle position of the desktop charging station and connected to the front and rear functional modules 2.

[0057] Preferably, the power input module 1 is provided with multiple first connecting mechanisms and first conductive elements, and the functional module 2 is provided with multiple second connecting mechanisms and multiple second conductive elements, thereby realizing the combination of a single module and multiple modules. Further, corresponding connecting mechanisms and conductive elements are respectively provided on different surfaces of the power input module 1 and / or the functional module 2, thereby realizing the combination of each module in multiple directions.

[0058] Preferably, this modular desktop charging station further includes a power terminal module 3, which can be disposed at the end of the desktop charging station to enclose the connection structure and conductive components of other functional modules 2, thereby improving the neatness and safety of the desktop charging station. Specifically, the power terminal module 3 is provided with a second connection mechanism and a sealing component, the sealing component being used to connect with the first conductive component and to shield the first conductive component.

[0059] Please see Figure 2-5 , Figure 2 This is a structural diagram of functional module 2 in this application; Figure 3 This is a structural schematic diagram of functional module 2 from another angle in this application; Figure 4 This is a structural schematic diagram of functional module 2 from another angle in this application; Figure 5 This is a schematic diagram of the structure of functional module 2 after removing part of the outer shell plate in this application.

[0060] In one embodiment, one of the first connecting mechanism and the second connecting mechanism includes a protrusion 11, and the other includes a groove 31 and a locking member 32.

[0061] The groove 31 has an inlet / outlet portion 311 and a limiting portion 312 arranged sequentially along a first direction. The locking member 32 is movably disposed between the inlet / outlet portion 311 and the limiting portion 312, and the locking member 32 can switch between a locked state and an unlocked state. When the locking member 32 is in the unlocked state, the protrusion 11 can enter the limiting portion 312 along the first direction from the inlet / outlet portion 311. When the locking member 32 is in the locked state, the protrusion 11 can be locked in the limiting portion 312, and the protrusion 11 and the limiting portion 312 cooperate to prevent the first connecting mechanism and the second connecting mechanism from disengaging. That is, the connection can be locked by the locking member 32, thereby improving the connection reliability and avoiding the problem that the desktop charging station is easily disintegrated due to accidental contact.

[0062] In one embodiment, one of the first conductive element and the second conductive element is an electrical plug 21 and the other is an electrical plug pin 41. That is, electrical connection between modules is achieved by using the electrical plug 21 and the electrical plug pin 41 together. Compared with contact conductivity, the contact area of ​​the electrical plug 21 and the electrical plug pin 41 is larger and the connection is more stable and reliable, thereby improving the reliability of electrical connection.

[0063] The first conductive element and the first connecting mechanism are disposed on the same surface of the power input module 1, and the second conductive element and the second connecting mechanism are disposed on the same surface of the functional module 2.

[0064] The second conductive element, the inlet / outlet portion 311, and the limiting portion 312 are arranged sequentially along the first direction, and the connection direction of the first conductive element and the second conductive element is the first direction. When the protrusion 11 is located at the inlet / outlet portion 311, the first conductive element and the second conductive element are not connected; when the protrusion 11 is located at the limiting portion 312, the first conductive element and the second conductive element are connected. This method improves assembly convenience by setting the electrical connection direction and assembly direction between modules to be consistent. Furthermore, especially when one of the first conductive element and the second conductive element is an electrical plug-in position 21 and the other is an electrical plug-in pin 41, and their connection direction is the first direction, the assembled module is stably connected in the horizontal direction, while the locking element ensures stability in the vertical direction. That is, the combined effect makes the module assembly stable in both the horizontal and vertical directions.

[0065] In one embodiment, the electrical connector 21 is disposed in the boss 22, and the same surface of the power input module 1 is provided with the boss 22 and the protrusion 11. The electrical connector 41 is disposed in the clearance groove 42, and the same surface of the functional module 2 is provided with the clearance groove 42 and the groove 31. This method results in a high degree of module regularity and improves aesthetics. At the same time, when the electrical connector 41 is inserted into the electrical connector 21 in the boss 22, the electrical connector 41 and the clearance groove 42 clamp the outer wall of the boss 22 from two directions, making the module connection very stable in the horizontal direction.

[0066] In one embodiment, the locking member 32 is connected to a reset member 33, and the reset member 33 applies a reset force to the locking member 32, causing the locking member 32 to tend to remain in the locked state. The reset member 33 can be a spring, a spring sheet, or the like.

[0067] In one embodiment, the locking member 32 includes an operating part 321, a locking part 322, and abutting part 323, and the operating part 321, locking part 322, abutting part 323, and reset member 33 are arranged sequentially along a second direction perpendicular to the first direction, with the abutting part 323 abutting against the reset member 33. At this time, horizontal movement of the locking member 32 realizes the switching between the locked state and the unlocked state.

[0068] Preferably, the operating part 321 extends out of the housing for manual operation by the user.

[0069] In other alternative embodiments, the locking member 32 rotates within the arc-shaped guide groove, and the reset member 33 is a torsion spring. The locking member 32 switches between the locked and unlocked states by rotating.

[0070] In one embodiment, the locking part 322 has a guide surface facing the inlet / outlet part 311. When the protrusion 11 enters the limiting part 312 from the inlet / outlet part 311, the guide surface allows the locking member 32 to switch to the unlocked state under the action of the protrusion 11. Then, when the protrusion 11 moves further into the limiting part 312, the locking member 32 returns to the locked state under the action of the reset member 33, so that the protrusion 11 is locked in the limiting part 312. The user can complete the module assembly without manually triggering the operation part 321, that is, automatic locking, which improves the ease of assembly.

[0071] However, it should be noted that the user needs to deliberately press the operation unit 321 to unlock, which to some extent prevents unlocking caused by accidental operation. Compared with the existing magnetic assembly method between modules, this makes it safer to use when powered on.

[0072] In one embodiment, a limiting structure is provided near the first conductive element and the second conductive element. The limiting structure is used to connect the first conductive element and the second conductive element when they are fully connected, thereby reminding the user that the conductive connection is in place.

[0073] In one specific embodiment, the limiting structure consists of a matching circular protrusion 23 and a circular groove 43.

[0074] In one embodiment, trigger switches are provided between the power input module 1 and the functional module 2, as well as between each functional module 2. These trigger switches control the on / off state of the first and second conductive components when they are fully connected, thereby further improving safety. For example, when the first and second conductive components are fully connected, the trigger switch controls them to conduct; when they are not connected or not fully connected, the trigger switch controls them to be de-energized.

[0075] In one embodiment, the trigger switch is a sensor that controls the on / off state of the first and second conductive elements by detecting whether they are fully connected. In other alternative embodiments, the trigger switch is a mechanical switch disposed in the power supply circuit, which is activated by the full connection of the first and second conductive elements to turn on the power supply circuit.

[0076] In one embodiment, the protrusion 11 includes a rod portion 111 and a head 112 located at the end of the rod portion 111, the circumferential edge of the head 112 protruding beyond the circumferential edge of the rod portion 111. The size of the inlet / outlet portion 311 is adapted to the head 112, so that the protrusion 11 can enter and exit the groove 31 through the inlet / outlet portion 311. The size of the limiting portion 312 is smaller than the head 112, so that the protrusion 11 can be confined within the groove 31 through the limiting portion 312.

[0077] In one embodiment, both the power input module 1 and the functional module 2 are provided with connection holes 50 at their bottoms, which are used to connect foot pads 51 or brackets.

[0078] The feet 51 can be made of soft rubber to protect the bottom of the desktop charging station. The stand can raise the desktop charging station, allowing for personalized configuration and better utilization of desktop space.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A modular desktop charging station, characterized in that, include: A power input module for connecting to mains power, the power input module including a first connecting mechanism and a first conductive element; The functional module includes a second connecting mechanism adapted to the first connecting mechanism, and a second conductive component adapted to the first conductive component; and, The connection between the first conductive element and the second conductive element enables the electrical connection between the power input module and the functional module. The first connecting mechanism and the second connecting mechanism are connected to enable a detachable connection between the power input module and the functional module; One of the first connecting mechanism and the second connecting mechanism includes a protrusion, and the other includes a groove and a locking element; The groove has an inlet / outlet portion and a limiting portion arranged sequentially along a first direction. The locking member is movably disposed between the inlet / outlet portion and the limiting portion, and the locking member can switch between a locked state and an unlocked state. When the locking member is in the unlocked state, the protrusion can enter the limiting portion from the inlet / outlet portion along the first direction. When the locking member is in the locked state, the protrusion can be locked in the limiting portion, and the protrusion and the limiting portion cooperate to prevent the first connecting mechanism and the second connecting mechanism from disengaging.

2. The modular desktop charging station of claim 1, wherein, One of the first conductive element and the second conductive element is an electrical connector, and the other is an electrical connector pin; The first conductive element and the first connecting mechanism are disposed on the same surface of the power input module, and the second conductive element and the second connecting mechanism are disposed on the same surface of the functional module; The second conductive element, the inlet / outlet portion, and the limiting portion are arranged sequentially along the first direction, and the connection direction of the first conductive element and the second conductive element is the first direction, such that when the protrusion is located in the inlet / outlet portion, the first conductive element and the second conductive element are not connected, and when the protrusion is located in the limiting portion, the first conductive element and the second conductive element are connected.

3. The modular desktop charging station of claim 2, wherein, The electrical connector is disposed in the boss, and the boss and the protrusion are disposed on the same surface of the power input module; The electrical connector pins are disposed within the clearance groove, and the clearance groove and the recess are provided on the same surface of the functional module.

4. The modular desktop charging station of claim 1, wherein, The locking member is connected to a reset member, and the reset member applies a reset force to the locking member, causing the locking member to tend to remain in the locked state.

5. The modular desktop charging station of claim 4, wherein, The locking member includes an operating part, a locking part, and abutting part, and the operating part, the locking part, the abutting part, and the reset member are arranged sequentially along a second direction perpendicular to the first direction, and the abutting part abuts against the reset member; The locking part has a guide surface facing the inlet / outlet part, and when the protrusion enters the limiting part from the inlet / outlet part, the guide surface allows the locking member to switch to the unlocked state under the action of the protrusion.

6. The modular desktop charging station of claim 2, wherein, A limiting structure is provided near the first conductive element and the second conductive element, the limiting structure being used for connection when the first conductive element and the second conductive element are fully connected; The limiting structure consists of a matching circular protrusion and a circular groove.

7. The modular desktop charging station of claim 1, wherein, The protrusion includes a rod and a head located at the end of the rod, wherein the circumferential edge of the head protrudes beyond the circumferential edge of the rod; The size of the inlet / outlet portion is adapted to the head, and the size of the limiting portion is smaller than the head.

8. The modular desktop charging station of claim 1, wherein, Both the power input module and the functional module have connection holes at their bottoms, which are used to connect foot pads or brackets.

9. The modular desktop charging station of claim 1, wherein, The functional module is an AC charging module, a USB charging module, a retractable cable charging module, a wireless charging module, a screen module, or an audio module. The functional module is also provided with the first connecting mechanism and the first conductive component.

10. The modular desktop charging station of claim 9, wherein, It also includes a power terminal module, which is provided with the second connection mechanism and a sealing member. The sealing member is used to connect to the first conductive member and to shield the first conductive member.

11. The modular desktop charging station of claim 1, wherein, The power input module is provided with a plurality of first connecting mechanisms and a plurality of first conductive elements; the functional module is provided with a plurality of second connecting mechanisms and a plurality of second conductive elements.

12. The modular desktop charging station according to claim 1, characterized in that, A trigger switch is provided between the power input module and the functional module, as well as between each of the functional modules. The trigger switch is used to control the on / off state of the first conductive element and the second conductive element when the first conductive element and the second conductive element are fully connected.

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