CN216626263U

CN216626263U - Frequency converter convenient to disassemble and assemble

Info

Publication number: CN216626263U
Application number: CN202122188743.4U
Authority: CN
Inventors: 陆保石; 蔡晓斌
Original assignee: Shenzhen Sikewei Electrical Technology Co ltd
Current assignee: Shenzhen Sikewei Electrical Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-05-27
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a frequency converter convenient to disassemble and assemble, which comprises an operating panel, a first shell, a PCB control panel, a second shell and a third shell, wherein the operating panel, the first shell, the PCB control panel, the second shell and the third shell are sequentially connected; one side of the first shell, which is close to the operation panel, is provided with an accommodating groove, the bottom surface of the accommodating groove is provided with a mounting hole, a convex socket is arranged on the PCB control panel, the convex socket is arranged on the mounting hole in a protruding manner, one side of the operation panel, which is close to the first shell, extends to form a clamping tongue, one end of the clamping tongue is also fixedly connected with an elastic sheet, and the clamping tongue is fixed in a slot of the convex socket by extruding the elastic sheet, so that the operation panel is detachably and electrically connected with the PCB control panel; according to the frequency converter convenient to disassemble and assemble, the operation panel, the convex-shaped socket on the PCB control panel and the clamping tongue of the operation panel are installed in an extruding mode through the elastic sheet, and therefore the operation panel is convenient to disassemble and replace.

Description

Frequency converter convenient to disassemble and assemble

Technical Field

The embodiment of the utility model relates to a frequency converter, in particular to a frequency converter convenient to disassemble and assemble.

Background

When the existing frequency converter is structurally designed, an operation panel is usually directly arranged with a PCB control panel, the operation panel cannot be detached independently, and when the operation panel breaks down, maintenance personnel need to detach the whole PCB control panel to maintain and replace the operation panel.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide a frequency converter convenient to disassemble and assemble, which solves the problem of inconvenient maintenance of an operation panel in the prior art.

A frequency converter convenient to disassemble and assemble comprises an operation panel, a first shell, a PCB control panel, a second shell and a third shell which are connected in sequence;

the first shell is close to one side of the operating panel, a containing groove is formed in the first shell, a mounting hole is formed in the bottom face of the containing groove, a convex socket is arranged on the PCB control panel, the convex socket is arranged on the mounting hole in a protruding mode, the operating panel is close to one side of the first shell, a clamping tongue extends to the first shell, one end of the clamping tongue is fixedly connected with an elastic sheet, the elastic sheet is used for fixing the clamping tongue in a slot of the convex socket through extrusion, and therefore the operating panel is electrically connected with the PCB control panel in a detachable mode.

Preferably, a plurality of edges of the third shell are provided with screw hole connecting plates, and the screw hole connecting plates extend along the direction of the third shell to form arc-shaped slots.

Preferably, a metal rear cover is further installed on one side, away from the second housing, of the third housing, and one end of the metal rear cover is recessed towards the direction of the second housing.

Preferably, one side of the metal rear cover is further provided with two vent holes.

Preferably, the third casing is further provided with a heat radiation fan hole along a direction perpendicular to the operation panel.

Preferably, two side surfaces of the second shell are further provided with a plurality of heat dissipation holes arranged in an array.

According to the frequency converter convenient to disassemble and assemble, the operation panel, the convex-shaped socket on the PCB control panel and the clamping tongue of the operation panel are installed in an extruding mode through the elastic sheet, and therefore the operation panel is convenient to disassemble and replace.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of a frequency converter of the present invention in a first direction for easy assembly and disassembly;

FIG. 2 is a schematic diagram of an explosion structure in a second direction of a frequency converter for easy assembly and disassembly according to the present invention;

fig. 3 is a schematic structural diagram of the operation panel of the present invention.

Shown in the figure:

1. an operation panel; 2. a first housing; 3. a PCB control board; 4. a second housing; 5. a third housing; 11. a latch; 12. a spring plate; 21. accommodating grooves; 31. a socket shaped like a Chinese character 'tu'; 41. heat dissipation holes; 51. a screw hole connecting plate; 52. arc-shaped grooving; 53. a metal rear cover; 54. a vent hole; 55. a radiating fan hole; 211. mounting holes; 311. and (4) a slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the frequency converter convenient to disassemble and assemble includes an operation panel 1, a first housing 2, a PCB control board 3, a second housing 4 and a third housing 5, which are connected in sequence;

an accommodating groove 21 is formed in one side, close to the operating panel 1, of the first shell 2, an installing hole 211 is formed in the bottom surface of the accommodating groove 21, a convex socket 31 is arranged on the PCB control panel 3, the convex socket 31 is arranged on the installing hole 211 in a protruding mode, a clamping tongue 11 extends from one side, close to the first shell 2, of the operating panel 1, one end of the clamping tongue 11 is fixedly connected with an elastic sheet 12, and the clamping tongue 11 is fixed in an inserting groove 311 of the convex socket 31 by pressing the elastic sheet 12, so that the operating panel 1 is detachably and electrically connected with the PCB control panel 3; through above-mentioned mode with operating panel 1 fixed with PCB control panel 3, on the one hand operating panel 1 of being convenient for tear open and trade, on the other hand has reduced the converter assembly degree of difficulty.

Preferably, a plurality of corners of the third housing 5 are provided with screw hole connecting plates 51, and the screw hole connecting plates 51 extend along the direction of the third housing 5 to form arc-shaped slots 52; the arc-shaped slot 52 is provided to facilitate the fastening of the third housing 5 to an external work platform after the bolt is inserted through the screw hole connecting plate 51.

Preferably, a metal rear cover 53 is further installed on one side of the third housing 5 away from the second housing 4, and one end of the metal rear cover 53 is recessed towards the second housing 4, so that after the third housing is fixed to an external working platform through the screw hole connecting plate 51, a certain avoiding space is reserved between the metal rear cover 53 and the external working platform, and interference with external parts during installation of the frequency converter is prevented.

Preferably, one side of the metal rear cover 53 is further provided with two vent holes 54, and the vent holes 54 are communicated with the inner space of the third housing 5, and are mainly used for heat dissipation.

Preferably, the third casing 5 is further provided with a heat radiation fan hole 55 along a direction perpendicular to the operation panel 1.

Preferably, two side surfaces of the second casing 4 are further provided with a plurality of heat dissipation holes 41 arranged in an array.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A frequency converter convenient to disassemble and assemble is characterized by comprising an operation panel, a first shell, a PCB control panel, a second shell and a third shell which are sequentially connected;

the PCB control panel is provided with a convex socket, the convex socket is arranged on the mounting hole in a protruding mode, the operating panel is close to one side of the first shell, a clamping tongue extends from one side of the first shell, one end of the clamping tongue is fixedly connected with an elastic sheet, the elastic sheet is used for fixing the clamping tongue in a slot of the convex socket through extrusion, and therefore the operating panel is electrically connected with the PCB control panel in a detachable mode.

2. The frequency converter convenient to disassemble and assemble according to claim 1, wherein a plurality of corners of the third shell are provided with screw hole connecting plates, and the screw hole connecting plates are provided with arc-shaped slots extending along the direction of the third shell.

3. The frequency converter convenient to disassemble and assemble according to claim 1, wherein a metal rear cover is further installed on one side of the third shell far away from the second shell, and one end of the metal rear cover is recessed towards the direction of the second shell.

4. The frequency converter convenient to disassemble and assemble according to claim 3, wherein one side of the metal rear cover is further provided with two vent holes.

5. The frequency converter convenient to disassemble and assemble according to claim 1, wherein the third casing is further provided with a heat dissipating fan hole along a direction perpendicular to the operation panel.

6. The frequency converter convenient to disassemble and assemble according to claim 1, wherein the two side surfaces of the second shell are further provided with a plurality of heat dissipation holes arranged in an array.