Universal fast-assembly frequency converter

Abstract

The utility model discloses a universal fast-assembly frequency converter, comprising a frequency converter body, the side surface and the bottom of the housing of the frequency converter body close to the back are provided with mounting grooves penetrating left and right, and the frequency converter body is provided with movable grooves close to the bottom at the two sides of the housing behind the mounting grooves. The bottom of the frequency converter body is provided with a fixing plate on the front surface of the mounting groove. According to the utility model, the mounting groove is movably clamped on the mounting rack, the T-shaped rod is rotated to be clamped into the fixing groove, and the elastic washer and the fixing nut are mounted, so that the whole fixed mounting work of the frequency converter body is completed, when a wire is connected, the wire is inserted into the wiring insertion column to be fixed through the jackscrew, and then the wiring insertion column is inserted into the wiring slot to be clamped and fixed; dismounting, wiring and wire removing of the whole frequency converter body can be achieved from the front face, the requirement for the structure of a control cabinet is avoided, universality and convenience are high, and the frequency converter is suitable for application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a universal quick-install frequency converter. Background Art

[0002] The frequency converter is a control device that uses frequency conversion technology and microelectronics technology to control the operation of electrical equipment by changing the power supply frequency. The frequency converter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. It relies on the internal IGBT to adjust the voltage and frequency of the output power supply, and provides the corresponding power supply voltage according to the actual needs of the electrical equipment, thereby achieving the purpose of energy saving and control. In addition, the frequency converter has many protection functions, such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of automation, frequency converters have also been widely used.

[0003] There are two common ways to install frequency converters. Larger frequency converters are installed with a preset fixed frame and bolts on the front, while smaller frequency converters are installed with bolts on the back. The former is easy to install and disassemble by installing the frequency converter on the front, and it is convenient to maintain, repair or replace it during subsequent use. However, the former is very troublesome to maintain, repair and replace the frequency converter with small bolts on the back during long-term use. For long-term considerations, it is particularly important for frequency converters to adopt a universal quick-install design, which needs to be improved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a universal quick-install frequency converter, which is used to solve the problem that frequency converters installed with back bolts are inconvenient to maintain, repair and replace during long-term use.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A universal quick-install inverter comprises an inverter body, wherein the side and bottom of the shell of the inverter body are provided with installation grooves that penetrate left and right, and movable grooves are provided at the bottom positions of the shell of the inverter body located behind the installation grooves on both sides, and a fixing plate is provided at the bottom of the inverter body at the front position of the installation groove, and fixing grooves are provided at the positions corresponding to the movable grooves on both sides of the fixing plate, and a T-bar is horizontally rotatably connected in the installation groove, and the T-bar is movably clamped in the fixing groove, and a fixing nut is threadedly connected to the surface of one end of the T-bar corresponding to the front of the inverter body, and the inverter body is movably clamped on a mounting frame horizontally arranged in a control cabinet through the installation groove, and a plurality of wiring slots are provided at the top and bottom of the inverter body, and a conductive spring electrically connected to the wiring terminal in the inverter body is provided in the wiring slot, and a wiring plug fixedly connected to the wire is movably clamped in the wiring slot.

[0007] Preferably, an elastic washer movably sleeved on the T-bar is further provided between the fixing plate and the fixing nut.

[0008] Preferably, an elastic rubber pad is fixedly connected to the inner wall of the mounting groove.

[0009] Preferably, the wiring slot is provided with a card slot extending downward from the top, and the card slot is J-shaped.

[0010] Preferably, a clamping block movably engaged with the clamping slot is provided on the surface of the wiring plug, and a top screw for fixing the wire is also provided on the wiring plug.

[0011] Preferably, the fixing plate and the housing of the inverter body are an integral structure.

[0012] Preferably, the fixing nut is a butterfly nut.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model is movably connected to the mounting frame through the mounting groove, which is used to limit the inverter body as a whole. The T-bar is rotated to make it fit into the fixing groove, and the elastic gasket and the fixing nut are installed, thus completing the entire fixing and installation work of the inverter body. When connecting the wires, the wires are inserted into the terminal plugs and fixed by the top screws, and then the terminal plugs are inserted into the wiring slots for fixing, namely the wiring work is completed. When the inverter body is removed, the terminal plugs can be removed from the wiring slots to disconnect the wires. The disassembly and assembly, wiring and disconnection of the entire inverter body can be achieved from the front. Even if it is installed in a control cabinet, it can be easily maintained, disassembled and replaced. There are no requirements for the control cabinet structure. It has high versatility and convenience, is suitable for popularization and use, and solves the problem that the inverter installed with back bolts is not convenient for maintenance, repair and replacement during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the wiring slot and wiring plug structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation structure of the utility model.

[0018] In the figure: 1. control cabinet; 2. fixing plate; 201. fixing slot; 3. mounting frame; 4. inverter body; 401. mounting slot; 402. movable slot; 5. T-bar; 6. fixing nut; 7. elastic washer; 8. wiring slot; 801. card slot; 9. wiring plug; 901. card block; 902. top screw; 10. conductive spring; 11. elastic rubber pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1-3 As shown, the utility model provides a technical solution: a universal quick-install inverter, including an inverter body 4, the side and bottom of the housing of the inverter body 4 near the back are provided with left and right through mounting grooves 401, the inverter body 4 is movably connected to the horizontally arranged mounting frame 3 in the control cabinet 1 through the mounting groove 401, the T-shaped rod 5 is located below the mounting frame 3, and the inner wall of the mounting groove 401 is fixedly connected with an elastic rubber pad 11, so that the inside of the mounting groove 401 is more firmly fixed to the mounting frame 3;

[0021] Active grooves 402 are provided at both sides of the housing of the inverter body 4 located behind the installation groove 401 and near the bottom. A fixing plate 2 is provided at the bottom of the inverter body 4 located in front of the installation groove 401. The fixing plate 2 and the housing of the inverter body 4 are an integral structure. Fixed grooves 201 are provided at the positions corresponding to the active grooves 402 on both sides of the fixing plate 2. A T-shaped rod 5 is horizontally rotatably connected in the installation groove 401. The T-shaped rod 5 is movably clamped in the fixing groove 201. A fixing nut 6 is threadedly connected to the surface of one end of the T-shaped rod 5 corresponding to the front of the inverter body 4. The fixing nut 6 is a butterfly nut. An elastic washer 7 that is movably sleeved on the T-shaped rod 5 is also provided between the fixing plate 2 and the fixing nut 6. The elastic washer 7 can improve the firmness of the fixation.

[0022] A plurality of wiring slots 8 are provided at the top and bottom of the inverter body 4, and a conductive spring 10 electrically connected to the wiring terminal in the inverter body 4 is provided in the wiring slot 8. A wiring plug 9 fixedly connected to the wire is movably connected in the wiring slot 8. A slot 801 extending from the top to the bottom is provided on the wiring slot 8, and the slot 801 is J-shaped. A block 901 movably connected to the slot 801 is provided on the surface of the wiring plug 9. A top screw 902 for fixing the wire is also provided on the wiring plug 9. When disassembling and assembling the inverter body 4, the wire can be conveniently connected and disconnected through the wiring plug 9.

[0023] Working principle:

[0024] It is movably connected to the mounting frame 3 through the mounting groove 401 to limit the inverter body 4 as a whole. The T-bar 5 is rotated to make it fit into the fixing groove 201, and the elastic gasket 7 and the fixing nut 6 are installed. The entire fixed installation work of the inverter body 4 is completed. When connecting the wire, the wire is inserted into the terminal plug 9 and fixed by the top screw 902, and then the terminal plug 9 is inserted into the wiring slot 8 for fixing. The wiring work is complete. When the inverter body 4 is removed, the terminal plug 9 can be removed from the wiring slot 8 to disconnect the wire. The disassembly and assembly, wiring and disconnection of the entire inverter body 4 can be achieved from the front. Even if it is installed in the control cabinet 1, it can be conveniently maintained, disassembled and replaced. There is no requirement for the structure of the control cabinet 1, and it has high versatility and convenience.

[0025] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal quick-install frequency converter, comprising a frequency converter body (4), characterized in that: The side and bottom of the shell of the inverter body (4) are provided with a mounting groove (401) extending through the left and right sides, and the shell of the inverter body (4) is provided with a movable groove (402) at the bottom of the shell behind the mounting groove (401). The bottom of the inverter body (4) is provided with a fixing plate (2) at the front of the mounting groove (401), and the fixing grooves (201) are provided at the positions of the two sides of the fixing plate (2) corresponding to the movable groove (402). A T-shaped rod (5) is horizontally rotatably connected in the mounting groove (401), and the T-shaped rod (5) is movably engaged with the fixing groove (201). 01), the T-shaped rod (5) is threadedly connected to a fixing nut (6) on one end surface of the inverter body (4), the inverter body (4) is movably connected to a mounting frame (3) horizontally arranged in the control cabinet (1) through a mounting groove (401), the T-shaped rod (5) is located below the mounting frame (3), a plurality of wiring slots (8) are arranged at the top and bottom of the inverter body (4), a conductive spring (10) electrically connected to a wiring terminal in the inverter body (4) is arranged in the wiring slot (8), and a wiring plug (9) fixedly connected to a wire is movably connected in the wiring slot (8).

2. A universal quick-install inverter according to claim 1, characterized in that: An elastic washer (7) movably sleeved on the T-shaped rod (5) is also provided between the fixing plate (2) and the fixing nut (6).

3. A universal quick-install inverter according to claim 1, characterized in that: An elastic rubber pad (11) is fixedly connected to the inner wall of the installation groove (401).

4. A universal quick-install inverter according to claim 1, characterized in that: The wiring slot (8) is provided with a card slot (801) extending downward from the top, and the card slot (801) is J-shaped.

5. A universal quick-install frequency converter according to claim 4, characterized in that: The surface of the wiring plug post (9) is provided with a clamping block (901) that is movably clamped with the clamping slot (801), and the wiring plug post (9) is also provided with a top screw (902) for fixing the wire.

6. A universal quick-install inverter according to claim 1, characterized in that: The fixing plate (2) and the housing of the frequency converter body (4) are an integrated structure.

7. A universal quick-install inverter according to claim 1, characterized in that: The fixing nut (6) is a butterfly nut.

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