Fool-proof structure of fan wiring terminal

Abstract

The utility model relates to a fool-proof structure of a fan wiring terminal, which comprises a PCB (Printed Circuit Board), a wiring seat is arranged on the PCB, the PCB is provided with at least one socket, the socket is provided with a plurality of contact pins corresponding to a plurality of gear wiring ports, and the contact pins are electrically connected with the corresponding gear wiring ports through the PCB; the fool-proof structure further comprises a plug, the multiple fan wires are installed on the plug, and the plug is matched with the contact pins in an inserted mode so that the multiple fan wires can be correspondingly connected with the contact pins. A fool-proof clamping hook is arranged on the plug, and a fool-proof clamping plate matched with the fool-proof clamping hook in a buckling mode is arranged on the socket. According to the scheme, a plurality of fan wire harnesses are integrated on one plug, the sockets on the PCB are used for replacing wiring terminals to be in plug-in fit with the plug, fan wires do not need to be fixed to an interface one by one, assembly is simple, and the installation efficiency is improved; and meanwhile, the plug is provided with the fool-proof clamping hook which is matched with the fool-proof clamping plate buckle on the socket, so that the risk of wrong operation of staff is avoided, the matching is simple, and the disassembly and assembly are convenient.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine technology, and in particular to a foolproof structure for wind turbine wiring terminals. Background Technology

[0002] Under the current conditions, the fan lines in the fan coil unit production process are all manually operated and fixed. This requires fixing the fan lines to the interfaces with screws. For a four-speed AC motor, there are four speed settings: extra-high speed, high speed, medium speed, and low speed, with a live wire connection and a neutral wire connection. If the line workers connect the live and neutral wires in reverse order, it will cause the fan to burn out, creating a safety hazard and causing great losses to the company. Summary of the Invention

[0003] To address the aforementioned issues, the present invention aims to provide a foolproof structure for fan wiring terminals. This structure integrates the fan wiring harness onto a single plug, mounts the wiring terminals on a PCB board, and uses a socket on the PCB board to replace the wiring terminals for plug-in connection. This simplifies assembly and utilizes the cooperation between the hooks and the mounting plate to prevent mistaken operation, thus avoiding the risk of employee errors.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A foolproof structure for a fan terminal block includes a terminal block with several speed-position wiring ports. The structure further includes a PCB board, on which the terminal block is mounted. The PCB board has at least one socket with multiple pins corresponding to the various speed-position wiring ports. The pins are electrically connected to the corresponding speed-position wiring ports via the PCB board. The foolproof structure also includes a plug with multiple fan wires mounted on it. The plug engages with the pins to connect the fan wires to the pins. The plug has a foolproof hook, and the socket has a foolproof locking plate that engages with the foolproof hook.

[0006] Preferably, the plug housing has multiple elastic connecting blocks arranged horizontally on its side wall, and a mating plate is fixedly provided at the outer end of the elastic connecting block. The anti-foolproof hook is arranged horizontally on the inner end face of the mating plate. The socket base is fixedly provided with the anti-foolproof plate, and the upper end of the anti-foolproof plate has a locking block protruding from the side wall of the anti-foolproof plate on one side. The upper end of the anti-foolproof hook is engaged with the lower end of the locking block.

[0007] Preferably, the card block has a first guide slope on one side opposite to the anti-fooling hook, and the anti-fooling hook has a second guide slope that cooperates with the first guide slope.

[0008] Preferably, the card block has a third guide slope on the side opposite to the pin, and the third guide slope cooperates with the lower end of the housing for guidance.

[0009] Preferably, the upper end of the matching plate is provided with a pressing plate laterally outward.

[0010] Preferably, the outer end surface of the matching plate is provided with a plurality of reinforcing ribs.

[0011] Preferably, the housing side wall of the plug is provided with a limiting block on both sides of the matching plate, and the limiting block is in abutting cooperation with the upper end of the clamping block.

[0012] Preferably, the housing side wall of the plug is provided with a limiting block on both sides of the matching plate, and the limiting block is in abutting cooperation with the upper end of the clamping block.

[0013] Preferably, the PCB is provided with two sockets.

[0014] The utility model discloses the above-mentioned technical scheme has the following beneficial effects:

[0015] ①, a plurality of fan wire harnesses are integrated into a plug, the wiring terminal is installed on a PCB, and the socket on the PCB is used instead of the wiring terminal to be plugged into the plug, so that the fan wire does not need to be fixed to the interface one by one, assembly is simple, and installation efficiency is improved.

[0016] ②, the plug is provided with a foolproof clamping hook and a foolproof clamping plate on the socket, which are buckled together, avoiding the risk of incorrect operation of the staff, and the cooperation is simple and convenient to disassemble and assemble.

[0017] ③, the PCB can be provided with a spare socket, if there is another fan, another fan wire can be plugged into the socket (spare), which is very convenient and can reduce the configuration cost of the wiring terminal. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure diagram of a fan wiring terminal foolproof structure.

[0019] Figure 2 It is an installation diagram of the wiring terminal and the socket on the PCB.

[0020] Figure 3 It is a cooperation diagram of the plug and the socket.

[0021] Figure 4 It is a cooperation diagram of the foolproof clamping hook and the foolproof clamping plate. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0024] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature with respect to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature with respect to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature with respect to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0027] As Figures 1-4The illustrated fan wiring terminal foolproof structure includes a wiring seat 1, the wiring seat 1 is provided with a plurality of gear wiring ports 2, the structure further includes a PCB 3, the wiring seat 1 is installed on the PCB 3, the PCB is provided with at least one socket 4, the socket 4 is provided with a plurality of plug pins 5 corresponding to the plurality of gear wiring ports 2, the plug pins 5 are electrically connected with the corresponding gear wiring ports 2 through the PCB 3; the foolproof structure further includes a plug 6, a plurality of fan wires are installed on the plug 6, the plug 6 is plugged with the plug pins 5 to connect the plurality of fan wires with the plurality of plug pins 5, the plug 6 is provided with a foolproof hook 7, and the socket 4 is provided with a foolproof clamping plate 8 buckled with the foolproof hook 7.

[0028] In the above technical solution, a plurality of fan wire bundles are integrated into a plug, the wiring terminal is installed on a PCB, and the socket on the PCB is used instead of the wiring terminal to plug with the plug, so that the fan wires do not need to be fixed to the interface one by one, the assembly is simple, the installation efficiency is improved, and meanwhile, the foolproof hook on the plug is buckled with the foolproof clamping plate on the socket to avoid the risk of incorrect operation of the staff, and the assembly and disassembly are simple and convenient.

[0029] Further, a plurality of elastic connecting blocks 9 are horizontally arranged on the side wall of the shell of the plug 6, the outer end of the elastic connecting block 9 is fixedly provided with a matching plate 10, the inner end surface of the matching plate 10 is horizontally provided with the foolproof hook 7, the base side of the socket 4 is fixedly provided with the foolproof clamping plate 8, the upper end of the foolproof clamping plate 8 is provided with a clamping block 11 protruding from the side wall of the foolproof clamping plate 8, and the upper end of the foolproof hook 7 is hookingly matched with the lower end of the clamping block 11. In the technical solution, the plurality of elastic connecting blocks can effectively connect the matching plate, the connection strength is improved, and the foolproof hook and the clamping block are hookingly arranged up and down, so that the plug and the socket can be effectively prevented from shaking up and down.

[0030] Further, a first guide inclined surface 12 is arranged on one side of the clamping block 11 opposite to the foolproof hook 7, and a second guide inclined surface 13 is arranged on the foolproof hook 7 and matched with the first guide inclined surface 12. In the technical solution, the matching of the first guide inclined surface and the second guide inclined surface can quickly realize the matching of the hook and the clamping block, and the assembly is convenient.

[0031] Further, a third guide inclined surface 18 is arranged on one side of the clamping block 11 opposite to the plug pin 5, and the third guide inclined surface 18 is matched with the lower end of the shell. In the technical solution, the arrangement of the third guide inclined surface facilitates the contact with the shell of the plug to quickly press the plug on the base of the socket, and the assembly is convenient.

[0032] Further, a pressing plate 14 is horizontally arranged outward at the upper end of the matching plate 10. In the technical solution, the arrangement of the pressing plate facilitates the user to horizontally press this place to slightly tilt the matching plate and make the hook separate from the lower end of the clamping block, so that the disassembly of the plug and the socket is very convenient.

[0033] Further, the outer end surface of the matching plate 10 is provided with a plurality of reinforcing ribs 15. In this technical solution, the plurality of reinforcing ribs can improve the structural strength of the matching plate and prevent the matching plate from being damaged during plugging.

[0034] Further, the housing side wall of the plug 6 is provided with a limiting block 16 on both sides of the matching plate 10, which abuts and cooperates with the upper end of the clamping block 11. In this technical solution, the limiting block cooperates with the upper end of the clamping block to limit the plug, preventing the plug from being pressed too much to damage the pin and the slot in the plug, and also preventing the clamping hook from not being in place with the clamping block.

[0035] Further, the edges of the housing of the plug 6 extend to the side where the matching plate 10 is located to form a limiting plate 17, and the two limiting plates 17 abut and cooperate with the two ends of the foolproof clamping plate 8. In this technical solution, the limiting plate abuts and cooperates with the two ends of the foolproof clamping plate to prevent the plug housing from shaking left and right relative to the socket.

[0036] Further, two sockets 4 are provided on the PCB. In this technical solution, the PCB is provided with a spare socket, and if there is another fan, the wire harness of another fan can be plugged into the socket (spare) on the PCB, which is very convenient and can reduce the cost of terminal configuration.

[0037] The above-mentioned scheme adjusts the original screw-fixed terminal block to a quick plug-in connection mode of the PCB, and the staff only needs to plug the plug of the integrated fan wire harness into the quick socket on the PCB. If there are two fans, the wire harness of another fan can be plugged into the quick socket (spare), which avoids the risk of incorrect operation by the staff, is simple to assemble, low in cost, and high in assembly and production efficiency.

[0038] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present application have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments without departing from the principles and purposes of the present application within the scope of the present application.

Claims

1. A fool-proof structure of a fan terminal, comprising a terminal seat (1), wherein a plurality of gear terminal ports (2) are arranged on the terminal seat (1), characterized in that: The anti-fooling structure further comprises a plug (6), a plurality of fan wires are installed on the plug (6), the plug (6) is plugged with the pin (5) to connect the plurality of fan wires with the plurality of pins (5) correspondingly; the plug (6) is provided with an anti-fooling hook (7), and the socket (4) is provided with an anti-fooling clamping plate (8) buckled with the anti-fooling hook (7).

2. The fan terminal preventing wrong connection structure according to claim 1, wherein: The shell side wall of the plug (6) is provided with a plurality of elastic connecting blocks (9) transversely, the outer end of the elastic connecting block (9) is fixedly provided with a matching plate (10), the inner end face of the matching plate (10) is provided with the anti-fooling hook (7) transversely; the base side of the socket (4) is fixedly provided with the anti-fooling clamping plate (8), the upper end of the anti-fooling clamping plate (8) is provided with a clamping block (11) protruding from the side wall of the anti-fooling clamping plate (8) on one side, and the upper end of the anti-fooling hook (7) is hooked with the lower end of the clamping block (11).

3. The anti-fumble structure of a fan terminal according to claim 2, characterized in that: One side of the clamping block (11) opposite to the anti-fooling hook (7) is provided with a first guide inclined surface (12), and the anti-fooling hook (7) is provided with a second guide inclined surface (13) matched with the first guide inclined surface (12).

4. The anti-fumble structure of a fan terminal according to claim 3, characterized in that: One side of the clamping block (11) opposite to the pin (5) is provided with a third guide inclined surface (18), and the third guide inclined surface (18) cooperates with the lower end of the shell.

5. The fool-proof structure of a fan terminal according to claim 2, characterized in that: The upper end of the matching plate (10) is provided with a pressing plate (14) outward transversely.

6. The fan terminal preventing wrong connection structure according to claim 5, wherein: The outer end face of the matching plate (10) is provided with a plurality of reinforcing ribs (15).

7. The fan terminal preventing wrong connection structure according to claim 2, wherein: The shell side wall of the plug (6) is provided with a limiting block (16) on both sides of the matching plate (10), and the limiting block (16) is in abutting cooperation with the upper end of the clamping block (11).

8. The fan terminal preventing wrong connection structure according to claim 7, characterized in that: The limiting plates (17) are provided on both ends of the shell of the plug (6) and extend to the side where the matching plate (10) is located, and the two limiting plates (17) are in abutting cooperation with both ends of the anti-fooling clamping plate (8).

9. The fan terminal preventing wrong connection structure according to claim 1, wherein: The PCB is provided with two sockets (4).

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