Power connection device

Abstract

The present invention provides a power connection and power-introduction device, including: a switch assembly, a power supply component, a connection plate assembly, a circuit board assembly and an external power port assembly; the power supply component is provided with the switch assembly, the connection plate assembly is installed on the power supply component, and the power supply component is installed on the circuit board assembly; one end of the connection plate assembly is connected to the switch assembly and draws power from the switch assembly, and the other end of the connection plate assembly is connected to the circuit board assembly and transmits power to the circuit board assembly; the switch assembly is provided with the external power port assembly, the external power port assembly is connected to the connection plate assembly, and the connection plate assembly draws power from the switch assembly through the external power port assembly. The reliability of this device has no direct relationship with the user's secondary wiring method, which avoids the problems of missed connection, virtual connection and disconnection of the connection plate caused by the user's secondary wiring.

Description

Technical Field

[0001] The present invention relates to the field of power supply and power taking systems, and in particular to a power supply connection and power taking device. Background Art

[0002] The traditional power supply power supply method uses soft wire connection lead. The connection lead end of the soft wire is not fixed on the switch component wiring port. The soft wire is exposed outside the shell. The installation process is complicated and other problems may easily cause users to miss or connect the lead end during the secondary wiring process. The reliability of the traditional power supply power supply method is closely related to the user's secondary wiring method.

[0003] Patent document CN106783436B discloses a small residual current operated circuit breaker with two poles, which is composed of an integrated leakage trip unit and a circuit breaker unit. The load-end leakage trip unit is lengthened, and the middle base adopts a two-section structure of the power supply end and the load end. The main circuits of the two poles have short-circuit, overload and leakage protection functions, and are provided with independent indicating devices without interfering with each other; the leakage trip rod slides in the guide groove of the shell through a guide bar, and the arc striking device adopts innovative arc striking structures such as bent two-sided equidistant arc panels.

[0004] Patent document CN202307725U relates to a new type of circuit breaker and its circuit breaker assembly, including a shell and a circuit module contained in the shell, a power input terminal is provided at the upper part of the circuit breaker, and a power output terminal is provided at the lower part of the circuit breaker; at least two power input terminal wiring holes for power input are provided near the top on the upper rear side of the shell, and a corresponding number of input terminal fastening screw holes are provided at the top of the shell, and after the input terminal fastening screws pass through the input terminal fastening screw holes, the power cord inserted from the power input terminal wiring hole is fastened to the circuit breaker. Summary of the invention

[0005] In view of the defects in the prior art, an object of the present invention is to provide a power supply connection and power introduction device.

[0006] A power connection and power-introduction device provided according to the present invention comprises: a switch assembly, a power supply component, a connection board assembly, a circuit board assembly and an external power port assembly;

[0007] The switch assembly is provided on the power supply component, the connecting plate assembly is mounted on the power supply component, and the power supply component is mounted on the circuit board assembly;

[0008] One end of the connecting plate assembly is connected to the switch assembly and draws power from the switch assembly, and the other end of the connecting plate assembly is connected to the circuit board assembly and transmits power to the circuit board assembly;

[0009] The switch assembly is provided with the external power port assembly, the external power port assembly is connected to the connecting plate assembly, and the connecting plate assembly draws power from the switch assembly through the external power port assembly.

[0010] Preferably, the power supply component includes: a normal power supply component and a backup power supply component;

[0011] The switch assembly includes: a first switch assembly, a second switch assembly, a third switch assembly and a fourth switch assembly;

[0012] The common power supply component is provided with the first switch assembly and the second switch assembly, and one side of the first switch assembly is parallel to and close to one side of the second switch assembly;

[0013] The backup power supply component is provided with the third switch assembly and the fourth switch assembly, and one side of the third switch assembly is parallel to and close to one side of the fourth switch assembly;

[0014] A first bracket is installed on the other side of the first switch assembly, a second bracket is installed on the other side of the second switch assembly, a third bracket is installed on the other side of the third switch assembly, and a fourth bracket is installed on the other side of the fourth switch assembly.

[0015] Preferably, the connecting plate assembly comprises: a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate;

[0016] The first connecting plate is mounted on the first switch assembly, the second connecting plate is mounted on the second switch assembly, the third connecting plate is mounted on the third switch assembly, and the fourth connecting plate is mounted on the fourth switch assembly.

[0017] Preferably, the external power port assembly comprises: a first wiring frame, a second wiring frame, a third wiring frame and a fourth wiring frame;

[0018] The first wiring frame connects the first switch assembly and the first connecting plate, the second wiring frame connects the second switch assembly and the second connecting plate, the third wiring frame connects the third switch assembly and the third connecting plate, and the fourth wiring frame connects the fourth switch assembly and the fourth connecting plate.

[0019] Preferably, the common power supply component and the backup power supply component are installed on one side of the base;

[0020] A bottom cover is installed on the other side of the base, and the circuit board assembly is installed between the base and the bottom cover.

[0021] Preferably, the first bracket is connected to the base and fixes the first switch assembly, the second bracket is connected to the base and fixes the second switch assembly, the third bracket is connected to the base and fixes the third switch assembly, and the fourth bracket is connected to the base and fixes the fourth switch assembly;

[0022] The first bracket is fixedly connected to the base via a fifth fastener, and the fourth bracket is fixedly connected to the base via a sixth fastener;

[0023] Preferably, a first circuit board conductive plate, a second circuit board conductive plate, a third circuit board conductive plate and a fourth circuit board conductive plate are arranged on one side of the circuit board assembly;

[0024] The first circuit board conductive plate is connected to the first connection plate, the second circuit board conductive plate is connected to the second connection plate, the third circuit board conductive plate is connected to the third connection plate, and the fourth circuit board conductive plate is connected to the fourth connection plate.

[0025] Preferably, a first bottom cover support member, a second bottom cover support member, a third bottom cover support member and a fourth bottom cover support member are provided on a side of the bottom cover close to the circuit board assembly;

[0026] The first bottom cover support member supports the first circuit board conductive plate, the second bottom cover support member supports the second circuit board conductive plate, the third bottom cover support member supports the third circuit board conductive plate, and the fourth bottom cover support member supports the fourth circuit board conductive plate;

[0027] The base is provided with through holes and allows the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate to pass through;

[0028] The connecting plate assembly is fixedly connected to the circuit board assembly and the bottom cover by a fastener assembly, and the fastener assembly includes: a first fastener, a second fastener, a third fastener and a fourth fastener;

[0029] The first connecting plate is fixedly connected to the first bottom cover support member by the first fastener, the second connecting plate is fixedly connected to the second bottom cover support member by the second fastener, the third connecting plate is fixedly connected to the third bottom cover support member by the third fastener, and the fourth connecting plate is fixedly connected to the fourth bottom cover support member by the fourth fastener.

[0030] Preferably, one end of the connecting plate assembly is set as a U-shaped bayonet, the other end of the connecting plate assembly is set as a circular hole, and the middle of the connecting plate assembly is set as a wire hole;

[0031] The circular hole cooperates with the fastener assembly to fix the circuit board assembly and the bottom cover, and the wire hole allows the wire to pass through and connect to the external power port assembly;

[0032] The material of the connecting plate assembly includes hard copper busbar material.

[0033] Preferably, a wire pressing plate is provided at one end of the external power port assembly, and a touch panel is provided at the other end of the external power port assembly;

[0034] The wire pressing plate and the contact plate are installed in the switch assembly;

[0035] A fastening nail is installed on the side of the wire pressing plate facing away from the external power port assembly, and the fastening nail is allowed to rotate and move relative to the wire pressing plate.

[0036] Preferably, the first bottom cover support member, the second bottom cover support member, the third bottom cover support member and the fourth bottom cover support member are all made of insulating materials;

[0037] Preferably, the power supply connection and power-inducing device can be applied to a switch switching device.

[0038] Preferably, the switch assembly, the connecting plate assembly and the external power port assembly are provided in multiple groups.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] 1. The reliability of this device has no direct relationship with the user's secondary wiring method, which avoids the problem of missed connection, virtual connection and disconnection of the connection board caused by the user's secondary wiring;

[0041] 2. This device uses hard copper busbar material, which realizes the hard material connection mode of power supply;

[0042] 3. This device adopts built-in hidden wiring method and uses fasteners to prevent the connection plate from loosening, always maintaining a reliable connection between the connection plate and the power-taking components. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0044] Figure 1 This is a schematic diagram of the structure of the power supply connection and power introduction device;

[0045] Figure 2 This is the main view of the power connection and lead-in device;

[0046] Figure 3 is a cross-sectional view of a switch assembly;

[0047] Figure 4 is a schematic diagram of the connecting plate structure;

[0048] As shown in the figure:

[0049] DETAILED DESCRIPTION

[0050] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0051] Example 1

[0052] like Figure 1As shown, a power connection and power-introduction device includes: a switch assembly, a power supply component, a connection board assembly, a circuit board assembly 18 and an external power port assembly; the power supply component is provided with a switch assembly, the connection board assembly is installed on the power supply component, and the power supply component is installed on the circuit board assembly 18; one end of the connection board assembly is connected to the switch assembly and draws power from the switch assembly, and the other end of the connection board assembly is connected to the circuit board assembly 18 and transmits power to the circuit board assembly 18; the switch assembly is provided with an external power port assembly, the external power port assembly is connected to the connection board assembly, and the connection board assembly draws power from the switch assembly through the external power port assembly. A first circuit board conductive plate 8, a second circuit board conductive plate 9, a third circuit board conductive plate 14 and a fourth circuit board conductive plate 15 are provided on one side of the circuit board assembly 18; the first circuit board conductive plate 8 is connected to the first connection board 4, the second circuit board conductive plate 9 is connected to the second connection board 5, the third circuit board conductive plate 14 is connected to the third connection board 21, and the fourth circuit board conductive plate 15 is connected to the fourth connection board 20. One end of the connecting plate assembly is set as a U-shaped bayonet, the other end of the connecting plate assembly is set as a circular hole, the middle of the connecting plate assembly is set as a wire hole, and the material of the connecting plate assembly includes hard copper busbar material. The power supply components include: a common power supply component and a backup power supply component, and the switch components include: a first switch component 1, a second switch component 2, a third switch component 25 and a fourth switch component 24. The common power supply component is provided with a first switch component 1 and a second switch component 2, one side of the first switch component 1 is parallel to and close to one side of the second switch component 2, and the backup power supply component is provided with a third switch component 25 and a fourth switch component 24, one side of the third switch component 25 is parallel to and close to one side of the fourth switch component 24, a first bracket 3 is installed on the other side of the first switch component 1, a second bracket 27 is installed on the other side of the second switch component 2, a third bracket 26 is installed on the other side of the third switch component 25, and a fourth bracket 23 is installed on the other side of the fourth switch component 24. A wire pressing plate 35 is provided at one end of the external power port assembly, and a touch plate 36 is provided at the other end of the external power port assembly. The wire pressing plate 35 and the touch plate 36 are installed in the switch assembly. A fastening nail 34 is installed on the side of the wire pressing plate 35 facing away from the external power port assembly, and the fastening nail 34 allows rotation and movement relative to the wire pressing plate 35. The connecting plate assembly includes: a first connecting plate 4, a second connecting plate 5, a third connecting plate 21 and a fourth connecting plate 20; the first connecting plate 4 is installed on the first switch assembly 1, the second connecting plate 5 is installed on the second switch assembly 2, the third connecting plate 21 is installed on the third switch assembly 25, and the fourth connecting plate 20 is installed on the fourth switch assembly 24.

[0053] like Figures 2 to 4As shown, the external power port assembly includes: a first wiring frame 28, a second wiring frame 29, a third wiring frame 30 and a fourth wiring frame 31; the first wiring frame 28 connects the first switch assembly 1 and the first connection plate 4, the second wiring frame 29 connects the second switch assembly 2 and the second connection plate 5, the third wiring frame 30 connects the third switch assembly 25 and the third connection plate 21, and the fourth wiring frame 31 connects the fourth switch assembly 24 and the fourth connection plate 20. The common power supply component and the backup power supply component are installed on one side of the base 22, the bottom cover 19 is installed on the other side of the base 22, and the circuit board assembly 18 is installed between the base 22 and the bottom cover 19. The first bracket 3 is connected to the base 22 and fixes the first switch assembly 1, the second bracket 27 is connected to the base 22 and fixes the second switch assembly 2, the third bracket 26 is connected to the base 22 and fixes the third switch assembly 25, the fourth bracket 23 is connected to the base 22 and fixes the fourth switch assembly 24, the first bracket 3 is fixedly connected to the base 22 by the fifth fastener 32, and the fourth bracket 23 is fixedly connected to the base 22 by the sixth fastener 33. The bottom cover 19 is provided with a first bottom cover support 10, a second bottom cover support 11, a third bottom cover support 16 and a fourth bottom cover support 17 on one side close to the circuit board assembly 18; the first bottom cover support 10 supports the first circuit board conductive plate 8, the second bottom cover support 11 supports the second circuit board conductive plate 9, the third bottom cover support 16 supports the third circuit board conductive plate 14, and the fourth bottom cover support 17 supports the fourth circuit board conductive plate 15; the base 22 is provided with through holes and allows the first connecting plate 4, the second connecting plate 5, the third connecting plate 21 and the fourth connecting plate 20 to pass through The connection plate assembly is fixedly connected to the circuit board assembly 18 and the bottom cover 19 through a fastener assembly, and the fastener assembly includes: a first fastener 6, a second fastener 7, a third fastener 12 and a fourth fastener 13; the first connection plate 4 is fixedly connected to the first bottom cover support 10 through the first fastener 6, the second connection plate 5 is fixedly connected to the second bottom cover support 11 through the second fastener 7, the third connection plate 21 is fixedly connected to the third bottom cover support 16 through the third fastener 12, and the fourth connection plate 20 is fixedly connected to the fourth bottom cover support 17 through the fourth fastener 13. The circular hole cooperates with the fastener assembly to fix the circuit board assembly 18 and the bottom cover 19, and the wire hole allows the wire to pass through and connect the external power port assembly.

[0054] Implementation 2

[0055] Example 2 is a preferred example of Example 1.

[0056] This device is mainly used in the power supply system of the switch switching device. The power connection and power-drawing device is made of hard copper material, with reliable contact and concealed internal power-drawing method.

[0057] like Figure 1As shown, the power connection and power-introduction device is mainly composed of a first switch assembly 1, a second switch assembly 2, a fourth switch assembly 24, a third switch assembly 25, a first connection plate 4, a second connection plate 5 and a circuit board assembly 18. The first switch assembly 1 and the second switch assembly 2 are closely connected to form a common power supply component. The first switch assembly 1 is connected to the base 22, the first switch assembly 1 is connected to the first bracket 3, the first bracket 3 is connected to the base 22, and the function of the first bracket 3 is to fix the first switch assembly 1; the second switch assembly 2 is connected to the base 22, the second switch assembly 2 is connected to the second bracket 27, the second bracket 27 is connected to the base 22, and the function of the second bracket 27 is to fix the second switch assembly 2; the first switch assembly 1 is connected to the first connecting plate 4, the first connecting plate 4 is connected to the first fastener 6, and the function of the first connecting plate 4 is mainly to draw power from the first switch assembly 1; the second switch assembly 2 is connected to the second connecting plate 5, the second connecting plate 5 is connected to the second fastener 7, and the function of the second connecting plate 5 is mainly to draw power from the second switch assembly 2; the third switch assembly 25 and the fourth switch assembly 24 are closely connected to form a backup power supply component. The third switch assembly 2 5 is connected to the base 22, the third switch assembly 25 is connected to the third bracket 26, the third bracket 26 is connected to the base 22, and the function of the third bracket 26 is to fix the third switch assembly 25; the fourth switch assembly 24 is connected to the base 22, the fourth switch assembly 24 is connected to the fourth bracket 23, the fourth bracket 23 is connected to the base 22, and the function of the fourth bracket 23 is to fix the fourth switch assembly 24; the third switch assembly 25 is connected to the third connecting plate 21, the third connecting plate 21 is connected to the third fastener 12, and the function of the third connecting plate 21 is mainly to draw power from the third switch assembly 25; the fourth switch assembly 24 is connected to the fourth connecting plate 20, the fourth connecting plate 20 is connected to the fourth fastener 13, and the function of the fourth connecting plate 20 is mainly to draw power from the fourth switch assembly 24; the first circuit board conductive plate 8, the second circuit board conductive plate 9, the third circuit board conductive plate 14 and the fourth circuit board conductive plate 15 are power supply lead components of the circuit board assembly 18. The first bottom cover support member 10 , the second bottom cover support member 11 , the third bottom cover support member 16 and the fourth bottom cover support member 17 are convex support members in the bottom cover 19 component.The first connection plate 4 is connected to the first circuit board conductive plate 8, and the first circuit board conductive plate 8 is mainly used to send the electricity obtained by the first connection plate 4 into the circuit board assembly 18. The first circuit board conductive plate 8 is connected to the first bottom cover support 10, and the first bottom cover support 10 mainly has the function of supporting insulation. The first fastener 6 is connected to the first bottom cover support 10 to form a power introduction system from the first switch assembly 1; the second connection plate 5 is connected to the second circuit board conductive plate 9, and the second circuit board conductive plate 9 is mainly used to send the electricity obtained by the second connection plate 5 into the circuit board assembly 18. The second circuit board conductive plate 9 is connected to the second bottom cover support 11, and the second bottom cover support 11 mainly has the function of supporting insulation. The second fastener 7 is connected to the second bottom cover support 11 to form a power introduction system from the second switch assembly 2; the third connection plate 21 It is connected to the third circuit board conductive disk 14, and the third circuit board conductive disk 14 mainly sends the electricity taken from the third connecting plate 21 into the circuit board assembly 18. The third circuit board conductive disk 14 is connected to the third bottom cover support 16, and the function of the third bottom cover support 16 is mainly to support insulation. The third fastener 12 is connected to the third bottom cover support 16 to form a power introduction system from the third switch assembly 25; the fourth connecting plate 20 is connected to the fourth circuit board conductive disk 15, and the fourth circuit board conductive disk 15 is mainly to send the electricity taken from the fourth connecting plate 20 into the circuit board assembly 18. The fourth circuit board conductive disk 15 is connected to the fourth bottom cover support 17, and the function of the fourth bottom cover support 17 is mainly to support insulation. The fourth fastener 13 is connected to the fourth bottom cover support 17 to form a power introduction system from the fourth switch assembly 24.

[0058] like Figure 2As shown, the first wiring frame 28 is the external power port of the first switch assembly 1, the first switch assembly 1 is connected to the first bracket 3, the first bracket 3 is connected to the base 22, the fifth fastener 32 is connected to the base 22, the first switch assembly 1 is connected to the first connecting plate 4, the function of the first connecting plate 4 is to introduce the power into the circuit board assembly 18 through the first wiring frame 28 of the first switch assembly 1, and form the power introduction system of the first switch assembly 1; the second wiring frame 29 is the external power port of the second switch assembly 2, the second switch assembly 2 is connected to the second bracket 27, the second bracket 27 is connected to the base 22, the second switch assembly 2 is connected to the second connecting plate 5, the function of the second connecting plate 5 is to introduce the power into the circuit board assembly 18 through the second wiring frame 29 of the second switch assembly 2, and form the power introduction system of the second switch assembly 2; the third wiring frame 3 0 is an external power port of the third switch assembly 25, the third switch assembly 25 is connected to the third bracket 26, the third bracket 26 is connected to the base 22, the third switch assembly 25 is connected to the third connecting plate 21, the function of the third connecting plate 21 is to introduce power into the circuit board assembly 18 through the third wiring frame 30 of the third switch assembly 25, and form the power introduction system of the third switch assembly 25; the fourth wiring frame 31 is the external power port of the fourth switch assembly 24, the fourth switch assembly 24 is connected to the fourth bracket 23, the fourth bracket 23 is connected to the base 22, the sixth fastener 33 is connected to the base 22, the fourth switch assembly 24 is connected to the fourth connecting plate 20, and the function of the fourth connecting plate 20 is to introduce power into the circuit board assembly 18 through the fourth wiring frame 31 of the fourth switch assembly 24, and form the power introduction system of the fourth switch assembly 24.

[0059] like Figure 3 As shown, taking the fourth switch assembly 24 as an example, the fastening nail 34 is connected to the wire pressing plate 35, the fourth connecting plate 20 is connected to the fastening nail 34, the fastening nail 34 can rotate and move, the fourth wiring frame 31 is connected to the touch plate 36, the fourth wiring frame 31 is an external power port, the fourth connecting plate 20 is connected to the fourth circuit board conductive disk 15 of the circuit board assembly 18, the fourth circuit board conductive disk 15 of the circuit board assembly 18 is connected to the fourth bottom cover support 17 in the bottom cover 19, and the fourth fastener 13 is connected to the fourth bottom cover support 17, forming a power supply circuit system from the fourth switch assembly 24.

[0060] like Figure 4 As shown, one end of the connecting plate assembly is a U-shaped structure, which is convenient for connection with the fastening nail 34 of the switch assembly, and the other end of the connecting plate is a circular hole structure, which is convenient for connection with the conductive disk of the circuit board assembly 18. The middle position of the connecting plate assembly is a wire hole, which is convenient for the passage of external wires.

[0061] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are 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.

[0062] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A power supply connection and power introduction device, characterized in that: include: A switch assembly, a power supply component, a connection plate assembly, a circuit board assembly (18) and an external power port assembly; The power supply component is provided with the switch assembly, the connecting plate assembly is mounted on the power supply component, and the power supply component is mounted on the circuit board assembly (18); One end of the connecting plate assembly is connected to the switch assembly and draws power from the switch assembly, and the other end of the connecting plate assembly is connected to the circuit board assembly (18) and transmits power to the circuit board assembly (18); The switch assembly is provided with the external power port assembly, the external power port assembly is connected to the connecting plate assembly, and the connecting plate assembly draws power from the switch assembly through the external power port assembly; The power supply component includes: a normal power supply component and a standby power supply component; The switch assembly comprises: a first switch assembly (1), a second switch assembly (2), a third switch assembly (25) and a fourth switch assembly (24); The common power supply component is provided with the first switch component (1) and the second switch component (2), and one side of the first switch component (1) is parallel to and close to one side of the second switch component (2); The backup power supply component is provided with the third switch component (25) and the fourth switch component (24), and one side of the third switch component (25) is parallel to and close to one side of the fourth switch component (24); A first bracket (3) is installed on the other side of the first switch assembly (1), a second bracket (27) is installed on the other side of the second switch assembly (2), a third bracket (26) is installed on the other side of the third switch assembly (25), and a fourth bracket (23) is installed on the other side of the fourth switch assembly (24); The connecting plate assembly comprises: a first connecting plate (4), a second connecting plate (5), a third connecting plate (21) and a fourth connecting plate (20); The first connecting plate (4) is mounted on the first switch assembly (1), the second connecting plate (5) is mounted on the second switch assembly (2), the third connecting plate (21) is mounted on the third switch assembly (25), and the fourth connecting plate (20) is mounted on the fourth switch assembly (24); The external power port assembly comprises: a first wiring frame (28), a second wiring frame (29), a third wiring frame (30) and a fourth wiring frame (31); The first wiring frame (28) is connected to the first switch assembly (1) and the first connecting plate (4), the second wiring frame (29) is connected to the second switch assembly (2) and the second connecting plate (5), the third wiring frame (30) is connected to the third switch assembly (25) and the third connecting plate (21), and the fourth wiring frame (31) is connected to the fourth switch assembly (24) and the fourth connecting plate (20); The common power supply component and the backup power supply component are mounted on one side of the base (22); A bottom cover (19) is installed on the other side of the base (22), and the circuit board assembly (18) is installed between the base (22) and the bottom cover (19); The first bracket (3) is connected to the base (22) and fixes the first switch assembly (1); the second bracket (27) is connected to the base (22) and fixes the second switch assembly (2); the third bracket (26) is connected to the base (22) and fixes the third switch assembly (25); and the fourth bracket (23) is connected to the base (22) and fixes the fourth switch assembly (24); The first bracket (3) is fixedly connected to the base (22) via a fifth fastener (32), and the fourth bracket (23) is fixedly connected to the base (22) via a sixth fastener (33); A first circuit board conductive plate (8), a second circuit board conductive plate (9), a third circuit board conductive plate (14) and a fourth circuit board conductive plate (15) are arranged on one side of the circuit board assembly (18); The first circuit board conductive plate (8) is connected to the first connecting plate (4), the second circuit board conductive plate (9) is connected to the second connecting plate (5), the third circuit board conductive plate (14) is connected to the third connecting plate (21), and the fourth circuit board conductive plate (15) is connected to the fourth connecting plate (20).

2. The power supply connection and power introduction device according to claim 1, characterized in that: A first bottom cover support member (10), a second bottom cover support member (11), a third bottom cover support member (16) and a fourth bottom cover support member (17) are arranged on a side of the bottom cover (19) close to the circuit board assembly (18); The first bottom cover support member (10) supports the first circuit board conductive plate (8), the second bottom cover support member (11) supports the second circuit board conductive plate (9), the third bottom cover support member (16) supports the third circuit board conductive plate (14), and the fourth bottom cover support member (17) supports the fourth circuit board conductive plate (15); The base (22) is provided with through holes and allows the first connecting plate (4), the second connecting plate (5), the third connecting plate (21) and the fourth connecting plate (20) to pass through; The connecting plate assembly is fixedly connected to the circuit board assembly (18) and the bottom cover (19) by a fastener assembly, wherein the fastener assembly comprises: a first fastener (6), a second fastener (7), a third fastener (12) and a fourth fastener (13); The first connecting plate (4) is fixedly connected to the first bottom cover support member (10) via the first fastener (6), the second connecting plate (5) is fixedly connected to the second bottom cover support member (11) via the second fastener (7), the third connecting plate (21) is fixedly connected to the third bottom cover support member (16) via the third fastener (12), and the fourth connecting plate (20) is fixedly connected to the fourth bottom cover support member (17) via the fourth fastener (13).

3. The power supply connection and power introduction device according to claim 2, characterized in that: One end of the connecting plate assembly is set as a U-shaped bayonet, the other end of the connecting plate assembly is set as a circular hole, and the middle of the connecting plate assembly is set as a wire hole; The circular hole cooperates with the fastener assembly to fix the circuit board assembly (18) and the bottom cover (19), and the wire hole allows the wire to pass through and connect to the external power port assembly; The material of the connecting plate assembly includes hard copper busbar material.

4. The power supply connection and power introduction device according to claim 3, characterized in that: A wire pressing plate (35) is arranged at one end of the external power port assembly, and a touch plate (36) is arranged at the other end of the external power port assembly; The wire pressing plate (35) and the touch plate (36) are installed in the switch assembly; A fastening nail (34) is installed on the side of the wire pressing plate (35) facing away from the external power port assembly, and the fastening nail (34) is allowed to rotate and move relative to the wire pressing plate (35).

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