Novel inverter shell structure

Abstract

The utility model discloses a novel inverter housing structure, which comprises a housing, an upper chamber and a lower chamber, the housing is mainly formed by splicing a main housing, a left side plate, a right side plate and a bottom cover plate, the main housing is formed by connecting a front panel and a back panel, the left side plate and the right side plate are both provided with first buckles, and the upper chamber and the lower chamber are provided with second buckles. The left side plate and the right side plate are installed on the left side and the right side of the main shell through first buckles respectively, a small cover plate is fixed to the top face of the lower cavity, a notch limiting part is arranged on the top face of the small cover plate, the bottom cover plate is fixedly installed through the notch limiting part, the upper cavity is connected with a heat dissipation piece, the heat dissipation piece is provided with a heat dissipation part and an assembling part, and the assembling part is connected with the lower cavity. The assembling part is provided with an assembling groove, the heat dissipation piece is connected with the rear cover plate through the assembling groove and a screw, through the mode, the appearance face of the inverter shell is neat and attractive without screw holes, the sealing performance of the shell structure is better, the inverter shell is more convenient to assemble, an inverter is more convenient to maintain, the production and assembling efficiency is improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of inverter shells, in particular to a novel inverter shell structure. Background Art

[0002] An inverter is an electronic device that converts DC power into AC power. It is widely used in various fields, such as electricity, transportation, and communications. The inverter housing is an important component of the inverter. Its main function is to protect the internal circuits and electronic components of the inverter and prevent them from being damaged by the external environment.

[0003] The traditional inverter housing structure is usually connected and fixed using screws, which has the problem that the screw holes on the exterior surface of the inverter housing are not neat and it is inconvenient to install the inverter housing and maintain the inverter. Utility Model Content

[0004] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0005] A novel inverter housing structure comprises a shell, an upper chamber and a lower chamber, wherein the shell is mainly composed of a main shell, a left side panel, a right side panel and a bottom cover plate, wherein the main shell is composed of a front panel connected to a back panel, the left side panel and the right side panel are both provided with a first buckle, and the left side panel and the right side panel are respectively mounted on the left side and the right side of the main shell through the first buckle, a small cover plate is fixed on the top surface of the lower chamber, a notch limit is provided on the top surface of the small cover plate, and the bottom cover plate is fixedly mounted through the notch limit.

[0006] As a further solution of the utility model, the front portion of the upper chamber is provided with a first stepped end face and a second stepped end face, the first stepped end face is provided with a first stepped end face circular hole, the upper chamber is connected to the front panel via the first stepped end face circular hole and screws, the second stepped end face is provided with a second stepped end face circular hole, the upper chamber is fixedly connected to the inverter body via the second stepped end face circular hole and screws, the rear end face of the upper chamber is provided with a rear end face circular hole, the upper chamber is connected to the heat sink via the rear end face circular hole, the heat sink is provided with a heat dissipation portion and an assembly portion, the assembly portion is provided with an assembly groove, and the heat sink is connected to the rear cover plate via the assembly groove and screws.

[0007] As a further solution of the utility model, the front end face of the lower chamber is provided with a lower chamber front end face screw hole, the lower chamber is connected to the small cover plate through the lower chamber front end face screw hole and screws, the lower chamber inner cavity is provided with a lower chamber inner cavity screw hole, the lower chamber is fixedly connected to the external components of the inverter through the lower chamber inner cavity screw hole and screws, and the side of the lower chamber is provided with an external connection hole.

[0008] As a further solution of the utility model, the end faces of the left side panel and the right side panel are provided with heat dissipation slots, the outer peripheries of the left side panel and the right side panel are provided with a first upper bending edge, a first side bending edge and a first bottom bending edge, the first side bending edge is provided with a first buckle, and the left side panel and the right side panel are installed on the left and right sides of the main shell through the first buckle.

[0009] As a further solution of the utility model, the inner wall of the front panel is provided with a front panel inner wall screw hole, the front panel is fixedly connected to the upper chamber through the front panel inner wall screw hole, the outer periphery of the front panel is provided with a second upper bending edge and a second side bending edge, the second side bending edge is provided with a first snap limit groove, the front panel is connected to the left panel and the right panel through the first snap limit groove, the second upper bending edge is provided with a docking groove, and the front panel is connected to the back panel through the docking groove.

[0010] As a further scheme of the utility model, the outer periphery of the back panel is provided with a third side bending edge and a bent portion, the bent portion is provided with a docking protrusion and a heat dissipation groove, the back panel is connected to the front panel through the docking protrusion, the third side bending edge is provided with a second buckle limiting groove, the back panel is connected to the left panel and the right panel through the second buckle limiting groove, the inner wall of the back panel is provided with a back panel inner wall circular hole, the back panel is connected and fixed to the back cover plate through the back panel inner wall circular hole and screws, the outer periphery of the back cover plate is provided with a fourth side bending edge and a second bottom bending edge, the fourth side bending edge is provided with a protrusion with a hole and a second buckle, the back cover plate is fixedly connected to the heat sink through the protrusion with a hole, the second buckle and screws, the inner wall of the back cover plate is provided with a rear cover plate inner wall screw hole, and the rear cover plate is fixedly connected to the back panel through the rear cover plate inner wall screw hole.

[0011] As a further solution of the utility model, the outer periphery of the bottom cover plate is provided with a third upper bending edge and a lower bending edge, the inner wall of the bottom cover plate is provided with a Z-shaped clamping protrusion, and the bottom cover plate is fixedly installed with the small cover plate through the Z-shaped clamping protrusion.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the front panel, back panel, left panel, right panel and bottom cover plate constituting the shell are integrally formed by sheet metal technology, the production and processing of the shell is convenient, and the front panel, back panel, left panel, right panel and bottom cover plate are provided with tightly fitting bending edges to ensure the sealing of the shell and improve the sealing effect of the inverter shell.

[0014] 2. In the present invention, the front panel, the back panel, the left panel, the right panel and the bottom cover are assembled in a clamping and limiting manner, so that the outer surface of the inverter housing has no screw holes and looks neat and beautiful.

[0015] 3. In the utility model, the splicing structure of the docking notches and docking protrusions and the buckle limit grooves provided on the front panel and the back panel, and the assembly with the buckles provided on the left panel and the right panel, facilitates the installation of the inverter housing and the maintenance of the inverter, and improves the efficiency of installation and maintenance.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a structural schematic diagram of a novel inverter housing structure of the utility model;

[0019] Figure 2 This is one of the exploded views of a novel inverter housing structure of the utility model;

[0020] Figure 3 This is the second exploded view of a novel inverter housing structure of the utility model;

[0021] Figure 4 This is a structural schematic diagram of the left side plate of a novel inverter housing structure of the utility model;

[0022] Figure 5 This is a structural schematic diagram of a front panel of a novel inverter housing structure of the utility model;

[0023] Figure 6 This is a structural schematic diagram of a back panel of a novel inverter housing structure of the utility model;

[0024] Figure 7 This is a structural schematic diagram of a novel inverter housing structure bottom cover plate of the utility model;

[0025] Figure 8 This is a structural schematic diagram of a rear cover plate of a novel inverter housing structure of the utility model;

[0026] Fig. 9 It is a structural schematic diagram of an upper chamber and a lower chamber of a novel inverter housing structure of the utility model;

[0027] Fig.10The utility model is a structural schematic diagram of a heat sink of a novel inverter housing structure.

[0028] In the figure: 1, shell; 2, main shell; 21, front panel; 211, screw hole on the inner wall of the front panel; 212, second upper bending edge; 212a, docking notch; 213, second side bending edge; 213a, first buckle limiting groove; 22, back panel; 221, third side bending edge; 221a, second buckle limiting groove; 222, bending portion; 222a, docking protrusion; 222b, heat dissipation groove; 223, circular hole on the inner wall of the back panel; 3, left side panel; 31, heat dissipation slot hole; 32, first upper bending edge; 33, first side bending edge; 33a, first buckle; 34, first bottom bending edge; 4, right side panel; 5, bottom cover; 51, third upper bending edge ; 52. Lower bending edge; 53. Z-shaped convex; 6. Upper chamber; 61. First step end face; 611. First step end face circular hole; 62. Second step end face; 621. Second step end face circular hole; 63. Rear end face circular hole; 64. Heat sink; 641. Heat dissipation part; 642. Assembly part; 643. Assembly groove; 65. Back cover; 651. Fourth side bending edge; 651a. Protrusion with hole; 651b. Second buckle; 652. Second bottom bending edge; 653. Screw hole on inner wall of back cover; 7. Lower chamber; 71. Screw hole on front end face of lower chamber; 72. Screw hole on inner cavity of lower chamber; 73. External connection hole; 74. Small cover; 741. Slot limit. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 10 In an embodiment of the utility model, a novel inverter housing structure includes a shell 1, an upper chamber 6 and a lower chamber 7. The shell 1 is mainly composed of a main shell 2, a left side plate 3, a right side plate 4 and a bottom cover plate 5. The main shell 2 is composed of a front panel 21 and a back panel 22. The left side plate 3 and the right side plate 4 are both provided with a first buckle 33a. The left side plate 3 and the right side plate 4 are respectively installed on the left and right sides of the main shell 2 through the first buckle 33a. A small cover plate 74 is fixed on the top surface of the lower chamber 7. A notch limit 741 is provided on the top surface of the small cover plate 74. The bottom cover plate 5 is fixedly installed through the notch limit 741.

[0031] As a preferred embodiment, the front portion of the upper chamber 6 is provided with a first stepped end face 61 and a second stepped end face 62, the first stepped end face 61 is provided with a first stepped end face circular hole 611, the upper chamber 6 is connected to the front panel 21 through the first stepped end face circular hole 611 and a screw, the second stepped end face 62 is provided with a second stepped end face circular hole 621, the upper chamber 6 is fixedly connected to the inverter body through the second stepped end face circular hole 621 and a screw, the rear end face of the upper chamber 6 is provided with a rear end face circular hole 63, the upper chamber 6 is connected to the heat sink 64 through the rear end face circular hole 63, the heat sink 64 is provided with a heat dissipation portion 641 and an assembly portion 642, the heat dissipation portion 641 is used for heat dissipation during inverter operation, and the assembly portion 642 is used for housing assembly use The assembly portion 642 is provided with an assembly groove 643, and the heat sink 64 is connected to the rear cover plate 65 with screws through the assembly groove 643. The upper chamber 6 serves to accommodate the inverter and connect the shell 1. The upper chamber 6 is connected to the lower chamber 7. The front end face of the lower chamber 7 is provided with a lower chamber front end face screw hole 71. The lower chamber 7 is connected to the small cover plate 74 through the lower chamber front end face screw hole 71 and screws. The inner cavity of the lower chamber 7 is provided with a lower chamber inner cavity screw hole 72. The lower chamber 7 is fixedly connected to the external components of the inverter through the lower chamber inner cavity screw hole 72 and screws. The side of the lower chamber 7 is provided with an external hole 73. The external hole 73 is used for functions such as an external power supply of the inverter. The lower chamber 7 serves to accommodate the external components of the inverter and leave space for the inverter to expand its functions.

[0032] As a preferred embodiment, the end faces of the left side plate 3 and the right side plate 4 are both provided with heat dissipation slots 31, and the heat dissipation slots 31 are used for heat dissipation of the inverter. The outer peripheries of the left side plate 3 and the right side plate 4 are both provided with a first upper bending edge 32, a first side bending edge 33 and a first bottom bending edge 34. The first upper bending edge 32 and the back panel 22 and the front panel 21 form a sealed shell, and the first bottom bending edge 34 is used to be supported by the bottom cover plate 5 to prevent slipping. The first side bending edge 33 is provided with a first buckle 33a, and the left side plate 3 and the right side plate 4 are both installed on the main On the left and right sides of the shell 2, the main shell 2 includes a front panel 21, the inner wall of the front panel 21 is provided with a front panel inner wall screw hole 211, the front panel 21 is fixedly connected to the upper chamber 6 through the front panel inner wall screw hole 211, the outer periphery of the front panel 21 is provided with a second upper bending edge 212 and a second side bending edge 213, the second side bending edge 213 is provided with a first buckle limiting groove 213a, the front panel 21 is connected to the left side panel 3 and the right side panel 4 through the first buckle limiting groove 213a, the second upper bending edge 212 is provided with a docking notch 212a, the front panel 2 1 is connected to the back panel 22 through the docking notch 212a, the outer periphery of the back panel 22 is provided with a third side bending edge 221 and a bent portion 222, the bent portion 222 is provided with a docking protrusion 222a and a heat dissipation groove 222b, the heat dissipation groove 222b is used for heat dissipation of the heat dissipation element 64, the back panel 22 is connected to the front panel 21 through the docking protrusion 222a, the third side bending edge 221 is provided with a second buckle limiting groove 221a, the back panel 22 is connected to the left side panel 3 and the right side panel 4 through the second buckle limiting groove 221a, and the inner wall of the back panel 22 is provided with a back panel inner The back panel 22 is fixed to the back cover 65 through the circular hole 223 on the inner wall of the back panel and screws. The outer periphery of the back cover 65 is provided with a fourth side bending edge 651 and a second bottom bending edge 652. The fourth side bending edge 651 is provided with a protrusion 651a with a hole and a second buckle 651b. The back cover 65 is fixedly connected to the heat sink 64 through the protrusion 651a with a hole and the second buckle 651b and screws. The inner wall of the back cover 65 is provided with a rear cover inner wall screw hole 653. The rear cover 65 is fixedly connected to the back panel 22 through the rear cover inner wall screw hole 653.

[0033] As a preferred embodiment, the outer periphery of the bottom cover plate 5 is provided with a third upper bending edge 51 and a lower bending edge 52, and the bottom cover plate 5 plays a supporting and sealing role. The third upper bending edge 51 also plays a role in preventing the left plate 3 and the right plate 4 from sliding off. The inner wall of the bottom cover plate 5 is provided with a Z-shaped protrusion 53, and the bottom cover plate 5 is fixedly installed with the small cover plate 74 through the Z-shaped protrusion 53.

[0034] Inverter housing assembly steps: the inverter body is fixed to the upper chamber 6 through the second step end face circular hole 621 and screws, the inverter external components are fixed to the lower chamber 7 through the lower chamber inner cavity screw hole 72 and screws, the upper chamber 6 is fixedly connected to the lower chamber 7, the upper chamber 6 is connected to the front panel 21 through the first step end face circular hole 611 and screws, the heat sink 64 is fixedly connected to the upper chamber 6 through the rear end face circular hole 63, the heat sink 64 is fixedly connected to the rear cover 65 through the provided assembly groove 643 and screws, the rear cover 65 is fixedly connected to the back panel 22 through the rear cover inner wall screw hole 653, the back The plate 22 and the front panel 21 are spliced ​​into the main shell 2 through the docking protrusion 222a and the docking groove 212a. The lower chamber 7 is connected to the small cover plate 74 through the screw hole 71 and screws on the front end surface of the lower chamber. The right side plate 4 and the left side plate 3 are pushed up for installation, and the first buckle 33a provided on the right side plate 4 and the left side plate 3 are inserted into the first buckle limit groove 213a and the second buckle limit groove 221a of the main shell 2. The bottom cover plate 5 is pushed right for installation to support the right side plate 4 and the left side plate 3, and the bottom cover plate 5 is inserted into the groove limit 741 of the small cover plate 74 through the Z-shaped buckle protrusion 53, so that the complete inverter housing is assembled.

[0035] Inverter maintenance and disassembly steps: push the bottom cover 5 to the left to disengage the Z-shaped protrusion 53 provided on the bottom cover 5 from the slot limit 741 of the small cover 74, so that the bottom cover 5 no longer supports the right side plate 4 and the left side plate 3. Then push the right side plate 4 and the left side plate 3 downward to disengage the first buckle 33a of the right side plate 4 and the left side plate 3 from the first buckle limit groove 213a and the second buckle limit groove 221a of the main shell 2. In this way, the inverter shell is partially disassembled and the inverter maintenance work is performed.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A novel inverter housing structure, comprising a housing, an upper chamber and a lower chamber, characterized in that: The shell is mainly composed of a main shell, a left side panel, a right side panel and a bottom cover plate. The main shell is composed of a front panel and a back panel. The left side panel and the right side panel are both provided with a first buckle. The left side panel and the right side panel are respectively installed on the left and right sides of the main shell through the first buckle. A small cover plate is fixed on the top surface of the lower chamber. The top surface of the small cover plate is provided with a slot limiter, and the bottom cover plate is fixedly installed through the slot limiter.

2. According to claim 1, a novel inverter housing structure is characterized in that: The front part of the upper chamber is provided with a first step end face and a second step end face, the first step end face is provided with a first step end face circular hole, the upper chamber is connected to the front panel through the first step end face circular hole and screws, the second step end face is provided with a second step end face circular hole, the upper chamber is fixedly connected to the inverter body through the second step end face circular hole and screws, the rear end face of the upper chamber is provided with a rear end face circular hole, the upper chamber is connected to the heat sink through the rear end face circular hole, the heat sink is provided with a heat dissipation part and an assembly part, the assembly part is provided with an assembly groove, and the heat sink is connected to the rear cover plate through the assembly groove and screws.

3. According to the novel inverter housing structure of claim 1, it is characterized in that: The front end face of the lower chamber is provided with a lower chamber front end face screw hole, the lower chamber is connected to the small cover plate via the lower chamber front end face screw hole and screws, the lower chamber inner cavity is provided with a lower chamber inner cavity screw hole, the lower chamber is fixedly connected to the inverter external components via the lower chamber inner cavity screw hole and screws, and the side of the lower chamber is provided with an external connection hole.

4. The novel inverter housing structure according to claim 1 is characterized in that: The end faces of the left panel and the right panel are both provided with heat dissipation slots, the outer peripheries of the left panel and the right panel are both provided with a first upper bending edge, a first side bending edge and a first bottom bending edge, the first side bending edge is provided with a first buckle, and the left panel and the right panel are both installed on the left and right sides of the main shell through the first buckle.

5. The novel inverter housing structure according to claim 1 is characterized in that: The inner wall of the front panel is provided with a front panel inner wall screw hole, and the front panel is fixedly connected to the upper chamber through the front panel inner wall screw hole, the outer periphery of the front panel is provided with a second upper bending edge and a second side bending edge, the second side bending edge is provided with a first buckle limiting groove, the front panel is connected to the left panel and the right panel through the first buckle limiting groove, the second upper bending edge is provided with a docking groove, and the front panel is connected to the back panel through the docking groove.

6. The novel inverter housing structure according to claim 1 is characterized in that: The outer periphery of the back panel is provided with a third side bending edge and a bending portion, the bending portion is provided with a docking protrusion and a heat dissipation groove, the back panel is connected to the front panel via the docking protrusion, the third side bending edge is provided with a second buckle limiting groove, the back panel is connected to the left panel and the right panel via the second buckle limiting groove, the inner wall of the back panel is provided with a back panel inner wall circular hole, the back panel is connected and fixed to the back cover plate via the back panel inner wall circular hole and screws, the outer periphery of the back cover plate is provided with a fourth side bending edge and a second bottom bending edge, the fourth side bending edge is provided with a protrusion with a hole and a second buckle, the back cover plate is fixedly connected to the heat sink via the protrusion with a hole, the second buckle and screws, the inner wall of the back cover plate is provided with a rear cover plate inner wall screw hole, and the rear cover plate is fixedly connected to the back panel via the rear cover plate inner wall screw hole.

7. The novel inverter housing structure according to claim 1 is characterized in that: The outer periphery of the bottom cover plate is provided with a third upper bending edge and a lower bending edge, the inner wall of the bottom cover plate is provided with a Z-shaped clamping protrusion, and the bottom cover plate is fixedly installed with the small cover plate through the Z-shaped clamping protrusion.

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