Measurement protection switch device

Abstract

The utility model relates to the technical field of switches, and provides a switch protection and measurement device, which comprises an upper cover, a lower cover, a wiring terminal, a connecting assembly, a plug connector, a circuit board assembly and a wiring board, and is characterized in that the upper cover is assembled on the lower cover to form a shell part of a switch; a first clamping groove located on the left side, a second clamping groove located on the right side and a third clamping groove located on the right side are formed between the upper cover and the lower cover, the circuit board assembly is arranged between the upper cover and the lower cover, and the upper end of the wiring board is inserted into the second clamping groove and / or the third clamping groove and connected with the circuit board assembly through a wire. The plug connector is assembled to the bottom of the left side of the lower cover and connected with the circuit board assembly, and the wiring terminal is arranged in the first clamping groove and partially exposed out of the shell component. The switch is compact in overall structure, convenient to assemble, high in practicability and beneficial to miniaturization design of the switch.

Description

Technical Field

[0001] This utility model relates to the field of switch technology, specifically to a protection and monitoring switch device. Background Technology

[0002] Residual current circuit breakers (RCCBs) are mainly used to protect people from fatal electric shock when equipment experiences leakage faults. They also have overload and short-circuit protection functions and can be used to protect circuits or motors from overload and short circuits.

[0003] Traditional residual current circuit breakers (RCCBs) require a large amount of space for wiring, resulting in a less compact overall structure and inconvenient assembly. Utility Model Content

[0004] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a protection and monitoring switch device.

[0005] According to the present invention, a protection and testing switch device includes an upper cover, a lower cover, a terminal block, a connecting component, a plug-in component, a circuit board assembly, and a terminal block.

[0006] The upper cover is assembled on the lower cover to form a switch housing component, and a first slot on the left side, a second slot on the right side, and a third slot are formed between the two respectively. The circuit board assembly is arranged between the upper cover and the lower cover. The upper end of the terminal block is inserted into the second slot and / or the third slot and connected to the circuit board assembly through a wire. The connector is assembled to the bottom left side of the lower cover and connected to the circuit board assembly. The terminal block is disposed in the first slot and partially exposed outside the housing component.

[0007] Preferably, the upper part of the cover has two double-row wiring ports, each including two sockets, through which wires can enter the interior and connect to the wiring board.

[0008] Preferably, the lower part of the upper cover is provided with a plurality of upper cover connectors, and the lower cover is provided with a plurality of lower cover connectors corresponding to the upper cover connectors. The upper cover and the lower cover can be assembled together by the cooperation of the upper cover connectors and the lower cover connectors.

[0009] Preferably, the lower cover is provided with a first through hole and a second through hole facing the second slot and the third slot, and the two connecting components are respectively disposed in the second slot and the third slot, and their ends extend into the first through hole and the second through hole respectively.

[0010] Preferably, the second slot has a first limiting groove on each side, the third slot has a second limiting groove on each side, the upper ends of one connector are inserted into the first limiting groove, the upper ends of the other connector are inserted into the second limiting groove, and the lower ends of the two connectors extend to the outside of the lower cover.

[0011] Preferably, the connecting component and the terminal block form a main circuit wiring port for connecting to an external wiring port;

[0012] By inserting two connectors into the first and second limiting slots respectively, the second and third slots are divided into two spaces, which are directly opposite the double-row wiring ports, thus realizing the double-row wiring structure.

[0013] Preferably, the junction box includes a main body, a concave groove arranged on the upper surface of the main body, and a first power supply port, a second power supply port, and a third power supply port arranged on the side of the main body. The first power supply port, the second power supply port, and the third power supply port provide wires to connect to the circuit board assembly.

[0014] Preferably, the connecting assembly includes a wiring frame, a wiring screw, and a wiring socket. The assembly structure of the connecting assembly in the second slot and the third slot is consistent. In the second slot, the wiring socket is assembled on the front side of the second slot, and the wiring frame is assembled on the rear side of the second slot. The wiring frame forms a wiring port. The front end of the wiring screw is threadedly driven into the wiring frame, and the rear end of the wiring screw passes through the front end of the wiring socket and extends into the first through hole. The user can use a tool to rotate the wiring screw through the first through hole, thereby moving the wiring frame forward or backward to fix the wire harness.

[0015] In the third slot, the terminal block is mounted on the front side of the third slot, and the wiring frame is mounted on the rear side of the third slot. The front end of the wiring screw engages with the wiring frame through a threaded drive, and the rear end of the wiring screw passes through the front end of the terminal block and extends into the second through hole. The user can rotate the wiring screw through the second through hole with the help of a tool to make the wiring frame move forward or backward, thereby adjusting the clamping or loosening between it and the terminal block, and thus fixing the wire harness.

[0016] Preferably, the circuit board assembly includes a first circuit board, a second circuit board, and a third circuit board, fixed between the upper and lower covers. Four connectors are connected to the third circuit board to form an external connection component. Terminal blocks are connected to the first circuit board, and the upper and lower ends of the first circuit board are connected to the second and third circuit boards, respectively.

[0017] Preferably, the terminal block is connected to the second circuit board via a wire.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model arranges wiring terminals and circuit board assemblies between the upper and lower covers, and arranges the connecting components in the slots located between the upper and lower covers. The plug-in parts and wiring boards are respectively connected to the circuit board assemblies, which makes the wiring method occupy less space, the overall structure compact, easy to assemble, and highly practical, which is conducive to the miniaturization design of switches. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 A three-dimensional structural diagram of the test switch device;

[0022] Figure 2 A schematic diagram of the front structure of the test switch device;

[0023] Figure 3 A cross-sectional view of the structure when viewed from the right side of the test switch device;

[0024] Figure 4 A schematic cross-sectional view of the structure of the test switch device when viewed from the left side;

[0025] Figure 5 This is a schematic diagram of the upper cover structure;

[0026] Figure 6 This is a schematic diagram of the lower cover structure;

[0027] Figure 7 This is a structural diagram of the connecting components;

[0028] Figure 8 This is a schematic diagram showing the connection between the terminal block and the circuit board assembly.

[0029] Figure 9 This is a schematic diagram of the junction box structure.

[0030] The diagram shows:

[0031] Top cover 1;

[0032] Double-row wiring port 11;

[0033] 12 protective barriers;

[0034] Top cover connector 13;

[0035] Bottom cover 2;

[0036] First card slot 21;

[0037] Lower cover connector 22;

[0038] Second card slot 23;

[0039] First limiting groove 231;

[0040] Third card slot 24;

[0041] Second limiting groove 241;

[0042] First through hole 25;

[0043] Second through hole 26;

[0044] Terminal block 3;

[0045] Connection component 4;

[0046] Wiring box 41;

[0047] Wiring screw 42;

[0048] Terminal block 43;

[0049] Connector 5;

[0050] Circuit board assembly 6;

[0051] First circuit board 61;

[0052] Second circuit board 62;

[0053] Third circuit board 63;

[0054] Terminal block 7;

[0055] First power supply port 71;

[0056] Second power supply port 72;

[0057] Third power supply port 73;

[0058] Concave groove 74;

[0059] Main body 75. Detailed Implementation

[0060] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0061] This utility model provides a protection and monitoring switch device, such as... Figures 1 to 9As shown, the device includes an upper cover 1, a lower cover 2, a terminal block 3, a connecting assembly 4, a plug-in 5, a circuit board assembly 6, and a terminal block 7. The upper cover 1 is assembled on the lower cover 2 to form the outer casing of the switch, and a first slot 21 on the left side, a second slot 23 on the right side, and a third slot 24 are formed between the two. The circuit board assembly 6 is arranged between the upper cover 1 and the lower cover 2. The upper end of the terminal block 7 is inserted into the second slot 23 and / or the third slot 24 and connected to the circuit board assembly 6 by a wire. The plug-in 5 is assembled to the bottom left side of the lower cover 2 and connected to the circuit board assembly 6. The terminal block 3 is located in the first slot 21 and is partially exposed outside the outer casing for easy user operation.

[0062] like Figure 5 As shown, the upper part of the cover 1 has two double-row wiring ports 11. Each double-row wiring port 11 includes two sockets. Wires can enter the interior through the sockets and connect to the wiring board 7. A protective barrier 12 is provided around the upper part of the cover 1 along the circumference of the double-row wiring ports 11. The protective barrier 12 is preferably U-shaped, which can improve its voltage protection level and enhance safety performance.

[0063] Furthermore, the lower part of the upper cover 1 is provided with a plurality of upper cover connectors 13, and the lower cover 2 is provided with a plurality of lower cover connectors 22 corresponding to the upper cover connectors 13. The upper cover 1 and the lower cover 2 can be assembled together through the cooperation of the upper cover connectors 13 and the lower cover connectors 22. Preferably, the upper cover connectors 13 and the lower cover connectors 22 are of the column hole mating structure, and the column holes are interference fit, which increases the firmness of the connection.

[0064] like Figure 5 , Figure 6 As shown, the lower cover 2 is provided with a second slot 23, a third slot 24, and a first through hole 25 and a second through hole 26 directly opposite the second slot 23 and the third slot 24. The two connecting components 4 are respectively disposed in the second slot 23 and the third slot 24, and their ends extend into the first through hole 25 and the second through hole 26, respectively. The second slot 23 is provided with a first limiting groove 231 on both sides, and the third slot 24 is provided with a second limiting groove 241 on both sides. The upper ends of one wiring plate 7 are inserted into the first limiting groove 231 on both sides, and the upper ends of the other wiring plate 7 are inserted into the second limiting groove 241 on both sides. The lower ends of the two wiring plates 7 extend to the outside of the lower cover 2. The connecting components 4 and the wiring plates 7 form the main circuit wiring port, which is mainly used to connect to the external wiring port.

[0065] Furthermore, to increase the strength of the card slots, reinforcing ribs are provided on the inner walls of the second card slot 23 and the third card slot 24. Two wiring plates 7 are inserted into the first limiting groove 231 and the second limiting groove 241 respectively, so that the second card slot 23 and the third card slot 24 are divided into two spaces, and the two spaces are directly opposite the double row wiring port 11, thereby realizing the double row wiring structure.

[0066] like Figure 9 As shown, the junction box 7 includes a main body 75, a concave groove 74 arranged on the upper surface of the main body 75, and a first power source port 71, a second power source port 72, and a third power source port 73 arranged on the side of the main body 75. The concave groove 74 facilitates more reliable contact of the connecting wires. The first power source port 71 is used for voltage sampling, and the second power source port 72 and the third power source port 73 are used for current sampling. The first power source port 71, the second power source port 72, and the third power source port 73 provide wires to connect to the circuit board assembly 6 to realize the acquisition of voltage and current.

[0067] like Figure 7 As shown, the connecting assembly 4 includes a wiring frame 41, a wiring screw 42, and a wiring socket 43. The assembly structure of the connecting assembly 4 in the second slot 23 and the third slot 24 is the same. In the second slot 23, the wiring socket 43 is assembled on the front side of the second slot 23, and the wiring frame 41 is assembled on the rear side of the second slot 23. The wiring frame 41 forms a wiring port. The front end of the wiring screw 42 is threadedly driven into the wiring frame 41, and the rear end of the wiring screw 42 passes through the front end of the wiring socket 43 and extends into the first through hole 25. The user can use a tool to rotate the wiring screw 42 through the first through hole 25, thereby causing the wiring frame 41 to move forward or backward and thus fixing the wire harness.

[0068] In the third slot 24, the terminal block 43 is mounted on the front side of the third slot 24, and the wiring frame 41 is mounted on the rear side of the third slot 24. The front end of the wiring screw 42 is threadedly driven into the wiring frame 41, and the rear end of the wiring screw 42 passes through the front end of the terminal block 43 and extends into the second through hole 26. The user can rotate the wiring screw 42 through the second through hole 26 with a tool to make the wiring frame 41 move forward or backward, thereby adjusting the clamping or loosening between it and the wiring board 7 to fix the wire harness.

[0069] like Figure 4As shown, terminal blocks 3 and connectors 5 form a converter component. The circuit board assembly 6 includes a first circuit board 61, a second circuit board 62, and a third circuit board 63, which are fixed between the upper cover 1 and the lower cover 2. Four connectors 5 are connected to the third circuit board 63 to form an external connection component. Terminal blocks 3 are connected to the first circuit board 61, and the upper and lower ends of the first circuit board 61 are connected to the second circuit board 62 and the third circuit board 63, respectively. Terminal blocks 7 are connected to the second circuit board 62 through wires to realize current and voltage acquisition.

[0070] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, 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.

[0071] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the substantive content of this utility model. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A proof switch device, characterized by, Includes an upper cover (1), a lower cover (2), a terminal block (3), a connecting assembly (4), a plug-in component (5), a circuit board assembly (6), and a terminal block (7); The upper cover (1) is assembled on the lower cover (2) to form a switch housing component, and a first slot (21) on the left side, a second slot (23) on the right side and a third slot (24) are formed between the two respectively. The circuit board assembly (6) is arranged between the upper cover (1) and the lower cover (2). The upper end of the terminal block (7) is inserted into the second slot (23) and / or the third slot (24) and connected to the circuit board assembly (6) by a wire. The connector (5) is assembled to the bottom left side of the lower cover (2) and connected to the circuit board assembly (6). The terminal block (3) is disposed in the first slot (21) and partially exposed outside the housing component.

2. The guard switch device of claim 1, wherein, The upper part of the cover (1) has two double-row wiring ports (11), each including two sockets through which wires can enter the interior and connect to the wiring board (7).

3. The guard switch device of claim 1, wherein, The lower part of the upper cover (1) is provided with a plurality of upper cover connectors (13), and the lower cover (2) is provided with a plurality of lower cover connectors (22) corresponding to the upper cover connectors (13). The upper cover (1) and the lower cover (2) can be assembled together by the cooperation of the upper cover connectors (13) and the lower cover connectors (22).

4. The guard switch apparatus of claim 1, wherein, The lower cover (2) is provided with a first through hole (25) and a second through hole (26) facing the second slot (23) and the third slot (24), respectively. The two connecting components (4) are respectively disposed in the second slot (23) and the third slot (24), and their ends extend into the first through hole (25) and the second through hole (26).

5. The guard switch device of claim 4, wherein, The second slot (23) has a first limiting groove (231) on each side, and the third slot (24) has a second limiting groove (241) on each side. The upper ends of one connector (7) are inserted into the first limiting groove (231) on each side, and the upper ends of the other connector (7) are inserted into the second limiting groove (241) on each side. The lower ends of the two connectors (7) extend to the outside of the lower cover (2).

6. The guard switch apparatus of claim 1, wherein, The connecting component (4) and the terminal block (7) form the main circuit wiring port, which is used to connect to the external wiring port; By inserting two connectors (7) into the first limiting slot (231) and the second limiting slot (241) respectively, the second slot (23) and the third slot (24) are divided into two spaces, and the two spaces are directly opposite the double-row wiring port (11), thereby realizing the double-row wiring structure.

7. The guard switch apparatus of claim 1, wherein, The junction box (7) includes a main body (75), a concave groove (74) arranged on the upper surface of the main body (75), and a first power supply port (71), a second power supply port (72), and a third power supply port (73) arranged on the side of the main body (75). The first power supply port (71), the second power supply port (72), and the third power supply port (73) provide wires to connect to the circuit board assembly (6).

8. The guard switch apparatus of claim 1, wherein, The connecting assembly (4) includes a wiring frame (41), a wiring screw (42), and a wiring socket (43). The assembly structure of the connecting assembly (4) in the second slot (23) and the third slot (24) is consistent. In the second slot (23), the wiring socket (43) is assembled on the front side of the second slot (23), and the wiring frame (41) is assembled on the rear side of the second slot (23). The wiring frame (41) forms a wiring port. The front end of the wiring screw (42) is threadedly driven to engage with the wiring frame (41). The rear end of the wiring screw (42) passes through the front end of the wiring socket (43) and extends into the first through hole (25). The user can use a tool to rotate the wiring screw (42) through the first through hole (25) to make the wiring frame (41) move forward or backward to fix the wire harness. In the third slot (24), the terminal block (43) is mounted on the front side of the third slot (24), and the wiring frame (41) is mounted on the rear side of the third slot (24). The front end of the wiring screw (42) is threadedly engaged with the wiring frame (41), and the rear end of the wiring screw (42) passes through the front end of the terminal block (43) and extends into the second through hole (26). The user can rotate the wiring screw (42) through the second through hole (26) with the help of a tool, thereby causing the wiring frame (41) to move forward or backward, thereby adjusting the clamping or loosening between it and the wiring board (7) to achieve the fixation of the wire harness.

9. The guard switch apparatus of claim 1, wherein, The circuit board assembly (6) includes a first circuit board (61), a second circuit board (62) and a third circuit board (63), which are fixed between the upper cover (1) and the lower cover (2). Four connectors (5) are connected to the third circuit board (63) to form an external connection component. The terminal block (3) is connected to the first circuit board (61). The upper and lower ends of the first circuit board (61) are respectively connected to the second circuit board (62) and the third circuit board (63).

10. The guard switch device of claim 9, wherein, The terminal block (7) is connected to the second circuit board (62) via wires.

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