Inductor wire outlet device and power electronic equipment

Abstract

The utility model discloses an inductor wire outlet device and power electronic equipment. The inductor wire outlet device comprises an inductor shell used for containing an inductor, a wire outlet device body assembled together with the inductor shell, and n terminal limiting columns arranged on the upper portion of the wire outlet device body. A movable nut is correspondingly embedded in each terminal limiting column, the positive and negative wire outlet ends of each inductor are connected with inductor wiring terminals, the two wiring terminals corresponding to each inductor are assembled on the two corresponding terminal limiting columns, and the contact planes of the two wiring terminals are arranged on the upper surfaces of the terminal limiting columns. The lower portion of the inductor shell is provided with corresponding inductor cavities according to the number of inductors, the wire outlet device body is arranged on the upper surface of the inductor shell, and the single board assembly and the inductor wiring terminal are fixedly connected through the bolt and the movable nut. According to the inductor outgoing line device, the inductor can be connected into a circuit in a direct screwing mode, wiring and cable bending are not needed, and the problems that cable outgoing is limited by space and wiring is difficult are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of inductance, in particular to an inductance outlet device and a power electronic device. Background Art

[0002] With the rapid development of photovoltaic and household storage machines, the installed capacity is also increasing. For such products produced on the assembly line, we should consider as much as possible in the research and development stage, especially how to improve the installation efficiency and save workers' installation time, so as to optimize the labor cost to a great extent. Inductors have always been a pain point in production line installation. Inductors are heavy and difficult to install. How to achieve convenient installation and wiring of inductors is something we need to consider as much as possible in the early stage of design.

[0003] Common inductor solutions now include Figure 1 As shown, the inductor 20 is usually placed in the inductor housing 10, and the cable 21 extending from the inductor 20 is crimped together with the cable terminal 30, and these cables need to pass through the chassis and be connected to the circuit of the PCB. This type of inductor installation requires two people to cooperate in the installation, and the cable will be limited by space, which makes it difficult to operate when the cable terminal 30 is connected to the wiring point of the PCB, which is time-consuming and labor-intensive, and the labor cost will increase significantly. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an inductor outlet device, which enables the inductor to be connected to the circuit by directly screwing, without the need for routing and bending cables, thereby solving the problem that the cable outlet is constrained by space and is difficult to bend and connect.

[0005] In order to solve the above technical problems, the utility model provides an inductor outlet device, including an inductor housing for placing an inductor, an outlet device body assembled with the inductor housing, and n terminal limiting columns arranged on the upper part of the outlet device body; a movable nut is correspondingly buried in each terminal limiting column, and the positive and negative outlet ends of each inductor are connected to the inductor terminal, and the two terminal terminals corresponding to each inductor are assembled on the corresponding two terminal limiting columns and the planes in contact with each other are arranged on the upper surface of the terminal limiting columns, the lower part of the inductor housing is provided with corresponding inductor chambers according to the number of inductors, the outlet device body is arranged on the upper surface of the inductor housing, and the single board component is fixedly connected to the inductor terminal by bolts and the movable nuts.

[0006] Preferably, a groove is opened between two adjacent inductor chambers, and the two grooves are connected through a connecting member.

[0007] Preferably, the positive and negative output terminals of each inductor are respectively welded to two inductor connection terminals.

[0008] Preferably, a positioning pin is provided on the upper surface of the inductor housing, and each of the terminal limiting columns is provided with a buckle device for accurately limiting the inductor terminal on the terminal limiting column; the surface of each movable nut is lower than the plane where the terminal limiting column contacts the inductor terminal; each outlet device body is provided with a corresponding positioning hole according to the position of the positioning pin, and the inductor housing and the outlet device body are positioned by the positioning hole and the positioning pin.

[0009] Preferably, the upper surface of the inductor housing is provided with a threaded hole for fixing the main body of the outlet device, and the main body of the outlet device is fixed to the inductor housing by the threaded hole and the bolt in cooperation with the positioning pin.

[0010] In order to solve the above technical problems, the utility model also provides a power electronic device, including the above-mentioned inductor outlet device.

[0011] After adopting the above device, the inductor outlet device includes an inductor housing for placing the inductor, an outlet device body assembled with the inductor housing, and n terminal limiting columns arranged on the upper part of the outlet device body; a movable nut is correspondingly buried in each terminal limiting column, the positive and negative outlet ends of each inductor are connected to the inductor terminal, the two terminal terminals corresponding to each inductor are assembled on the corresponding two terminal limiting columns and the planes in contact with each other are arranged on the upper surface of the terminal limiting columns, the lower part of the inductor housing is provided with corresponding inductor chambers according to the number of inductors, the outlet device body is arranged on the upper surface of the inductor housing, and the single board component is fixedly connected to the inductor terminal by bolts and the movable nut; the inductor outlet device enables the inductor to be connected to the circuit by directly screwing, without the need to route and bend the cable; and solves the problem that the cable outlet is constrained by space and is difficult to bend and wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of an inductor outlet device in the prior art;

[0013] Figure 2 This is a structural diagram of the main body of an outlet device of an inductor outlet device of the utility model;

[0014] Figure 3 The utility model is an integral assembly of an inductor outlet device Figure 1 ;

[0015] Figure 4 The utility model is an integral assembly of an inductor outlet device Figure 2 .

[0016] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0018] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] Embodiment 1

[0020] See also Figure 2 Figure 3 , Figure 2 This is a structural diagram of the main body of an outlet device of an inductor outlet device of the utility model; Figure 3 The utility model is an integral assembly of an inductor outlet device Figure 1 ;

[0021] The present embodiment discloses an inductor outlet device, comprising an inductor housing 301 for placing an inductor, an outlet device body 101 assembled with the inductor housing 301, and n terminal limiting columns 103 arranged on the upper part of the outlet device body 101; a movable nut 102 is correspondingly buried in each terminal limiting column 103, the positive and negative outlet ends of each inductor are connected to the inductor terminal, the two terminal terminals corresponding to each inductor are assembled on the corresponding two terminal limiting columns 103 and the planes in contact with each other are arranged on the upper surface of the terminal limiting columns 103, the lower part of the inductor housing 301 is provided with corresponding inductor chambers 303 according to the number of inductors, the outlet device body 101 is arranged on the upper surface of the inductor housing 301, and the single board component is fixedly connected to the inductor terminal through bolts and the movable nuts 102.

[0022] Embodiment 2

[0023] This embodiment is based on the first embodiment. In this embodiment, a groove is opened between two adjacent inductor chambers 303 and the two grooves are connected by a connecting member.

[0024] The positive and negative output terminals of each inductor 201 are respectively welded to two inductor connection terminals 202 .

[0025] Embodiment 3

[0026] This embodiment is based on the first embodiment. In this embodiment, the upper surface of the inductor housing 301 is provided with a positioning pin 302, and each terminal limiting column 103 is provided with an undercut device for accurately limiting the inductor terminal 202 on the terminal limiting column; the surface of each movable nut 102 is lower than the plane where the terminal limiting column 103 contacts the inductor terminal 202; each outlet device body 101 is provided with a corresponding positioning hole according to the position of the positioning pin 302, and the inductor housing 301 and the outlet device body 101 are positioned by the positioning hole and the positioning pin 302;

[0027] The upper surface of the inductor housing 301 is provided with threaded holes for fixing the outlet device body 101 , and the outlet device body 101 is fixed to the inductor housing 301 by the threaded holes and bolts in cooperation with the positioning pins 302 .

[0028] The space inside the box of the photovoltaic string inverter is very tight. If the inductor 201 uses the original cable outlet, the wiring position of the single-board component 501 will be limited, and the cable routing and bending will also be time-consuming and labor-intensive. In addition, the cable needs to avoid the device pins at the bottom of the single board, which may scratch the cable.

[0029] The benefits of using the present application are as follows: the single-board component 501 only needs to open a through hole at the inductor access point, and there is no restriction on the wiring position; the installation process is convenient and quick, and the inductor can be connected to the single-board circuit by only passing the screw through the single-board component 501, without being restricted by the installation space.

[0030] Embodiment 4

[0031] This embodiment discloses a power electronic device, which includes the inductor output device described in any one of Embodiments 1 to 3.

[0032] The inductor outlet device allows the inductor to be connected to the circuit by directly screwing, without the need to route and bend the cable, thus solving the problem that the cable outlet is constrained by space and is difficult to bend and wire.

[0033] The preferred embodiments of the present application are described above with reference to the accompanying drawings, but the scope of the present application is not limited thereby. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present application shall be within the scope of the present application.

Claims

1. An inductor outlet device, characterized in that: It comprises an inductor housing for placing an inductor, an outlet device body assembled with the inductor housing, and n terminal limiting posts arranged on the upper part of the outlet device body; a movable nut is correspondingly buried in each terminal limiting post, the positive and negative outlet ends of each inductor are connected to the inductor terminal, the two terminal terminals corresponding to each inductor are assembled on the corresponding two terminal limiting posts and the planes in contact with each other are arranged on the upper surface of the terminal limiting posts, the lower part of the inductor housing is provided with corresponding inductor chambers according to the number of inductors, the outlet device body is arranged on the upper surface of the inductor housing, and the single board component is fixedly connected to the inductor terminal through bolts and the movable nuts.

2. The inductor outlet device according to claim 1, characterized in that: A slot is opened between two adjacent inductor chambers, and the two slots are connected via a connecting component.

3. The inductor outlet device according to claim 1, characterized in that: The positive and negative output terminals of each inductor are respectively welded to two inductor connection terminals.

4. The inductor outlet device according to claim 1, characterized in that: The upper surface of the inductor housing is provided with a positioning pin, and each of the terminal limiting columns is provided with an undercut device for accurately limiting the inductor terminal on the terminal limiting column; the surface of each movable nut is lower than the plane where the terminal limiting column contacts the inductor terminal; each outlet device body is provided with a corresponding positioning hole according to the position of the positioning pin, and the inductor housing and the outlet device body are positioned by the positioning hole and the positioning pin.

5. The inductor lead-out device according to claim 4, characterized in that: The upper surface of the inductor housing is provided with a threaded hole for fixing the main body of the outlet device, and the main body of the outlet device is fixed to the inductor housing through the threaded hole and the bolt and the positioning pin at the same time.

6. A power electronic device, characterized in that: It comprises the inductor lead-out device as described in any one of claims 1 to 5.

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