Converter cabinet

Abstract

According to the embodiment of the utility model, the converter cabinet comprises a power unit installation structure, the installation structure comprises a chassis vehicle and an adaptive guide rail assembly, the guide rail assembly is connected with the frame and comprises a first guide rail and a second guide rail which are arranged in parallel, the first guide rail and the second guide rail respectively extend along a first direction, the first direction is the direction in which the power unit is pushed into the cavity of the cabinet body; the chassis vehicle comprises a vehicle body and auxiliary wheels installed on the vehicle body, a plurality of first installation holes are formed in the vehicle body, and the first installation holes correspond to installation holes of the power units so that the power units can be installed on the chassis vehicle. Therefore, the power unit can be conveniently installed, the number and the size of the chassis and the guide rail assembly can be flexibly set according to needs, and the applicability is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of converters, and more specifically to a converter cabinet. Background Art

[0002] The power unit is a high-voltage inverter component that uses power electronic devices for rectification, filtering, and inversion.

[0003] For the converter cabinet, the power unit is the core electronic device. During the installation process, one or more power units need to be integrated into the cabinet. This process is currently usually carried out manually. Since the power unit is generally large in size and relatively heavy, especially for the high-power converter cabinet, the high-power power unit is relatively heavy. Therefore, it is very laborious and time-consuming to install the power unit into the cabinet.

[0004] Based on this, it is necessary to invent a structure that is more convenient for installing the power unit. Utility Model Content

[0005] In view of this, the utility model proposes a converter cabinet.

[0006] According to an embodiment of the utility model, the converter cabinet includes a frame and a cabinet cavity surrounded by the frame, a power unit is movably installed in the cabinet cavity, and is characterized in that it also includes a mounting structure of the power unit, the mounting structure of the power unit includes a chassis vehicle and an adaptive guide rail assembly, the guide rail assembly is connected to the frame, and includes a first guide rail and a second guide rail arranged in parallel, the first guide rail and the second guide rail extend along a first direction respectively, wherein the first direction is the direction in which the power unit is pushed into the cabinet cavity; the chassis vehicle includes a vehicle body and auxiliary wheels mounted on the vehicle body, a plurality of first mounting holes are arranged on the vehicle body, the first mounting holes correspond to the mounting holes of the power unit, so as to mount the power unit on the chassis vehicle.

[0007] Furthermore, at least one positioning pin is provided on the top of the vehicle body.

[0008] Furthermore, the first guide rail and the second guide rail are in an inverted "F" shape.

[0009] Furthermore, the chassis vehicle is also provided with a detachable handle.

[0010] Furthermore, it includes a mounting plate assembly, which includes a horizontally arranged first end plate, a second end plate and a third end plate are vertically arranged on opposite sides of the first end plate, the second end plate and the third end plate extend along the first direction respectively, and the first guide rail and the second guide rail are respectively installed on the second end plate and the third end plate.

[0011] Furthermore, a travel switch is arranged behind the first end plate.

[0012] Furthermore, a first front limiter is disposed at the front end of the first end plate, and / or a first rear limiter is also disposed at the rear end of the first end plate.

[0013] Furthermore, a second front limiter is provided at the front end of the top position where the power unit is installed in the cabinet cavity, and / or a second rear limiter is provided at the rear end where the power unit is installed in the top position in the cabinet cavity.

[0014] Furthermore, when the power unit includes two or more power modules, the converter cabinet includes two or more chassis vehicles, wherein each chassis vehicle corresponds to one power module.

[0015] Furthermore, the chassis vehicles are arranged to be connected in sequence along the first direction, and / or the chassis vehicles are arranged side by side along a second direction, wherein the second direction is a horizontal direction perpendicular to the first direction.

[0016] It can be seen from the above technical solution that the converter cabinet according to the embodiment of the utility model is provided with an installation structure for movably installing the power unit into the cabinet body, and the installation structure includes a chassis and a matching first guide rail and a second guide rail. After the power unit is fixed by the chassis, the power unit can be conveniently moved by the chassis to move it to the expected position in the converter cabinet, thereby completing the rapid installation of the power unit. In addition, the number of chassis and guide rail assemblies can be flexibly set to meet the different number of power units and power module settings; in addition, according to the size of the power unit, the depth of the converter cabinet, etc., it is only necessary to adaptably adjust the size of the guide rail assembly, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that those skilled in the art will be more aware of the above and other features and advantages of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of a rear side view of a converter cabinet according to an embodiment of the utility model;

[0019] Figure 2It is an overall structural diagram of a chassis vehicle in a converter cabinet according to an embodiment of the utility model;

[0020] Figure 3 It is a structural diagram of a mounting plate assembly in a converter cabinet according to one embodiment of the utility model;

[0021] Figure 4 A schematic diagram of a guide rail assembly and a structure in which the guide rail assembly is installed in a converter cabinet according to an embodiment of the utility model;

[0022] The reference numerals are as follows:

[0023] 10 Chassis Car 11 First mounting hole 21 First Rail 22 Second rail 33 positioning pin 41 First end plate 42 Second end plate 43 Third end plate 50 travel switch 51 First front limiter 52 first rear limiter 62 Second rear limiter 70 Training wheels 80 fan assembly 200 power units X first direction Y second direction DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model is further described in detail with examples below.

[0025] According to an embodiment of the utility model, the utility model includes a frame and a cabinet cavity surrounded by the frame, a power unit 200 is movably installed in the cabinet cavity, and is characterized in that it also includes a mounting structure of the power unit, the mounting structure of the power unit includes a chassis vehicle 10 and an adaptive guide rail assembly, the guide rail assembly is connected to the frame, and includes a first guide rail 21 and a second guide rail 22 arranged in parallel, the first guide rail 21 and the second guide rail 22 extend respectively along a first direction X, wherein the first direction is the direction in which the power unit 200 is pushed into the cabinet cavity; the chassis vehicle 10 includes a vehicle body and auxiliary wheels 70 installed on the vehicle body, the vehicle body is provided with a plurality of first mounting holes, the first mounting holes correspond to the mounting holes of the power unit 200, so as to install the power unit 200 on the chassis vehicle 10.

[0026] Figure 1 It is a structural schematic diagram of a rear side view of a converter cabinet according to an embodiment of the utility model; Figure 2 The figure is an overall structural diagram of a chassis vehicle in a converter cabinet according to an embodiment of the utility model.

[0027] like Figure 1 The chassis vehicle 10 includes a vehicle body, which may be made of sheet metal material. The middle of the vehicle body is a hollow structure. The vehicle body has a first side wall and a second side wall opposite to each other. Auxiliary wheels 70 are installed on the first side wall and the second side wall. A first extension plate is extended along the hollow part of the vehicle body at the top of the vehicle body. First mounting holes 11 are arranged at intervals on the first extension plate, corresponding to the mounting holes at the bottom of the power unit 200, so as to fix the power unit 200 on the vehicle body.

[0028] Furthermore, a second extension plate extending toward the inner air portion of the vehicle body is provided at the bottom of the vehicle body, and a avoidance hole corresponding to the first mounting hole 11 is provided on the second extension plate, so that avoidance is achieved when the bolt is screwed in.

[0029] Furthermore, at least one positioning pin 33 is provided on the upper surface of the vehicle body. Based on the design of the positioning pin 33, the mounting hole of the power module is more efficiently matched with the first mounting hole 11 of the vehicle body. One or more positioning pins 33 may be provided, for example, one positioning pin 33 may be provided on each of the upper surfaces of the two opposite sides of the vehicle body.

[0030] Furthermore, a second mounting hole suitable for mounting the auxiliary wheel 70 is provided on the first side wall or the second side wall; optionally, a wear-resistant sleeve is provided in the second mounting hole.

[0031] By setting a second mounting hole on the first side wall and the second side wall of the vehicle body, and pre-embedding a wear-resistant sleeve in the second mounting hole, bolts are then sequentially passed through the axial hole of the auxiliary wheel 70, the second mounting hole and connected to the inner side of the first side wall and the second side wall, thereby achieving the connection of the auxiliary wheel 70 and improving the service life.

[0032] Furthermore, the chassis 10 also includes a detachable handle. Specifically, the handle is welded to a handle mounting plate, and two connection holes are provided on the handle mounting plate. The front surface of the chassis 10 (i.e., the surface where the chassis 10 is initially located before being pushed into the electrical cabinet) is pre-set with a third mounting hole for connecting the handle, and the third mounting hole corresponds to the two connection holes on the handle mounting plate. A nut is provided on the inner side of the front surface of the chassis 10, and the handle can be installed on the chassis 10 by screwing a bolt into the connection hole and the third mounting hole on the handle mounting hole.

[0033] Figure 3 It is a structural diagram of a mounting plate assembly in a converter cabinet according to one embodiment of the utility model;

[0034] like Figure 3 As shown, the converter cabinet according to an embodiment of the utility model also includes a mounting plate assembly, which includes a horizontally arranged first end plate 41, and a second end plate 42 and a third end plate 43 are vertically arranged on opposite sides of the first end plate 41, respectively, the second end plate 42 and the third end plate 43 extend along the first direction respectively, and the first guide rail 21 and the second guide rail 22 are respectively installed on the second end plate 42 and the third end plate 43.

[0035] Specifically, the first end plate 41, the second end plate 42, and the third end plate 43 can be made of sheet metal and connected to each other by bolts. The first guide rail 21 is fixed to the second end plate 42 by bolts, and the second guide rail 22 is fixed to the third end plate 43 by bolts.

[0036] Figure 4 It is a schematic diagram of a guide rail assembly in a converter cabinet and a structure in which the guide rail assembly is installed in the converter cabinet according to an embodiment of the utility model;

[0037] like Figure 4 As shown, the interface between the first guide rail 21 and the second guide rail 22 is in an inverted "F" shape. The two are arranged opposite to each other, and the auxiliary wheel 70 is clamped in the guide rail groove and moves; therefore, the upper and lower limit functions of the chassis vehicle 10 can be realized. The first guide rail 21 and the second guide rail 22 can be machined from profiles.

[0038] According to another embodiment of the utility model, when the power unit 200 includes two or more power modules, the converter cabinet includes two or more chassis vehicles 10, wherein each chassis vehicle 10 corresponds to one power module. According to the structure of the power unit 200 and the power module, the chassis vehicles 10 can be flexibly arranged for installation, which is highly practical.

[0039] Based on the above structure, the chassis vehicles 10 are arranged to be connected in sequence along the first direction, and / or the chassis vehicles 10 are arranged in parallel along the second direction.

[0040] Specifically, Figure 1 As shown in the figure, it includes three power units 200 arranged in parallel along the second direction Y, and each power unit 200 includes two power modules arranged along the first direction X. Therefore, six chassis vehicles 10 are provided, and each chassis vehicle 10 corresponds to a power module. Two different chassis vehicles 10 along the first direction X can be connected by welding or by fixing with bolts and nuts. At the same time, a plurality of groups of second end plates 42 and third end plates 43 are also arranged at intervals on the mounting plate assembly to install three groups of first guide rails 21 and second guide rails 22.

[0041] Furthermore, a travel switch 50 is also provided at the rear end of the first end plate 41 .

[0042] By arranging a travel switch 50 at the rear end of the first end plate 41 , when the power unit 200 is pushed into the cabinet cavity and reaches a preset position, a prompt signal can be issued to remind the operator to stop pushing further.

[0043] Furthermore, a first front stopper 51 is disposed at the front end of the first end plate 41 , and / or a first rear stopper 52 is disposed at the rear end of the first end plate 41 .

[0044] The first front limiting member 51 and the first rear limiting member 52 may be a baffle, so that after the power unit 200 reaches a predetermined position, the baffle can be installed to achieve front and rear limiting of the chassis vehicle 10 to fix the rear power unit 200.

[0045] Furthermore, a second front limiter is provided at the front end of the top position where the power unit 200 is installed in the cabinet cavity, and / or a second rear limiter 62 is provided at the rear end where the power unit 200 is installed in the top position in the cabinet cavity.

[0046] like Figure 1 As shown, a fan assembly 80 is also provided on the top of the converter cabinet, and the top of the power unit 200 is connected to the fan assembly 80 by fasteners such as bolts; after the power unit 200 is installed in place, a second front limit member and a second rear limit member 62 can be fixed on the outside of the mounting plate of the fan assembly 80, for example, a baffle structure, to further fix the power unit 200 from above.

[0047] It can be seen that the converter cabinet based on the above embodiment realizes fast and convenient installation of the power unit, saves manpower, and has strong scalability and compatibility.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A converter cabinet, comprising a frame and a cabinet cavity surrounded by the frame, wherein a power unit (200) is movably installed in the cabinet cavity, characterized in that: The invention also comprises a power unit installation structure, wherein the power unit installation structure comprises a chassis vehicle (10) and an adapted guide rail assembly, wherein the guide rail assembly is connected to the frame and comprises a first guide rail (21) and a second guide rail (22) arranged in parallel, wherein the first guide rail (21) and the second guide rail (22) extend respectively along a first direction, wherein the first direction is the direction in which the power unit (200) is pushed into the cabinet cavity; the chassis vehicle (10) comprises a vehicle body and auxiliary wheels (70) mounted on the vehicle body, wherein a plurality of first installation holes (110) are arranged on the vehicle body, wherein the first installation holes (110) correspond to the installation holes of the power unit (200) so as to install the power unit (200) on the chassis vehicle (10).

2. The converter cabinet according to claim 1, characterized in that: At least one positioning pin (33) is also provided on the top of the vehicle body.

3. The converter cabinet according to claim 1, characterized in that: The first guide rail (21) and the second guide rail (22) are in an inverted "F" shape.

4. The converter cabinet according to claim 1, characterized in that: The chassis vehicle (10) is also provided with a detachable handle.

5. The converter cabinet according to claim 1, characterized in that: The invention comprises a mounting plate assembly, wherein the mounting plate assembly comprises a first end plate (41) arranged horizontally, a second end plate (42) and a third end plate (43) being arranged vertically on opposite sides of the first end plate (41), the second end plate (42) and the third end plate (43) extending along the first direction respectively, and the first guide rail (21) and the second guide rail (22) being respectively mounted on the second end plate (42) and the third end plate (43).

6. The converter cabinet according to claim 5, characterized in that: A travel switch (50) is also arranged behind the first end plate (41).

7. The converter cabinet according to claim 5 or 6, characterized in that: A first front stopper (51) is provided at the front end of the first end plate (41), and / or a first rear stopper (52) is further provided at the rear end of the first end plate (41).

8. The converter cabinet according to claim 7, characterized in that: A second front stopper is provided at the front end of the top position of the power unit (200) installed in the cabinet cavity, and / or a second rear stopper (62) is provided at the rear end of the top position of the power unit (200) installed in the cabinet cavity.

9. The converter cabinet according to claim 1, characterized in that: When the power unit (200) includes two or more power modules, the converter cabinet includes two or more chassis vehicles (10), wherein each chassis vehicle (10) corresponds to one power module.

10. The converter cabinet according to claim 9, characterized in that: The chassis vehicles (10) are arranged to be connected in sequence along the first direction, and / or the chassis vehicles (10) are arranged side by side along a second direction (Y), wherein the second direction (Y) is a horizontal direction perpendicular to the first direction.

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