Direct-current electronic load parallel machine box

Abstract

The utility model discloses a direct-current electronic load parallel operation box, which relates to the field of electronic load parallel operation and comprises a box body, a tray assembly, a master control mounting assembly, a bus electrode and a load power module. The tray assembly, the master control installation assembly, the bus electrode and the load power module are all arranged in the box body. The tray assembly is provided with a plurality of layers, and each layer of tray assembly is provided with a plurality of load power modules. A plurality of load power modules are connected in parallel to the bus electrode. The parallel machine cabinet has the advantages that the plurality of load power modules are directly stacked and mounted in the same case, so that parallel use of the load power modules is realized, and compared with a conventional host case and a plurality of slave cases are stacked and parallelly connected in a welding cabinet, the parallel machine cabinet has the advantages that the structure of the parallel machine cabinet is simplified, and the cost is reduced. And under the same power density and use performance, the parallel machine is smaller in size, simpler in structure and lower in cost.

Description

Technical Field

[0001] The utility model relates to the field of parallel connection of electronic loads, and particularly to a DC electronic load parallel connection chassis. Background Art

[0002] In conventional parallel connection of electronic loads, multiple independent electronic load chassis are stacked in a cabinet, and the master and slave machines each have an independent chassis box. Relatively speaking, the conventional cabinet is large in volume, has many sheet metal box components, is high in cost, and the assembly is relatively complex. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to reduce the volume of the parallel connection of electronic loads.

[0004] The utility model realizes the solution of the above technical problem by the following technical means: a DC electronic load parallel connection chassis, including a box body, a tray assembly, a main control installation assembly, a bus electrode and a load power module; the tray assembly, the main control installation assembly, the bus electrode and the load power module are all arranged inside the box body; the tray assembly has multiple layers, and multiple load power modules are installed on each layer of the tray assembly; the multiple load power modules are connected in parallel to the bus electrode.

[0005] As an optimized technical solution, the DC electronic load parallel connection chassis further includes a panel assembly, and the panel assembly includes an installation panel, a switch, a display screen, a key and a knob, and the switch, the display screen, the key and the knob located on the outer surface of the box body are arranged on the installation panel.

[0006] As an optimized technical solution, the DC electronic load parallel connection chassis further includes an air inlet assembly, an air outlet assembly and a fan assembly, the air inlet assembly and the air outlet assembly are respectively arranged on the box body and communicate the inside and the outside of the box body, and the fan assembly is arranged inside the box body.

[0007] As an optimized technical solution, the layers of the tray assembly are arranged along the height direction of the box body; the air inlet assembly includes multiple air inlet panels arranged along the height direction of the box body, and multiple air inlet holes are arranged on the air inlet panels; the air outlet assembly includes multiple air outlet panels arranged along the height direction of the box body, and multiple air outlet holes are arranged on the air outlet panels.

[0008] As an optimized technical solution, the fan assembly includes a fan installation structure and a heat dissipation fan, and a circuit board and multiple heat dissipation fans are installed on the fan installation structure.

[0009] As an optimized technical solution, the tray assembly includes a tray and a guide rail seat, guide rail seats are fixedly connected to both the top and the bottom of the tray, and guides cooperating with the guide rail seats are fixedly connected to both the top and the bottom of the load power module.

[0010] As an optimized technical solution, the tray assembly further includes a fixing member, and the fixing member is fixedly connected to the tail of the tray.

[0011] As an optimized technical solution, the main control installation assembly is arranged above the tray assembly, and a guide rail seat is fixedly connected to the bottom of the main control installation assembly.

[0012] As an optimized technical solution, the box body includes a bottom plate, the tray is located above the bottom plate, and there is a space for installing the load power module between the tray and the bottom plate, and a guide rail seat is fixedly connected to the top of the bottom plate.

[0013] As an optimized technical solution, the box body further includes side plates, handles and casters; the left and right sides of the bottom plate are respectively fixedly connected with side plates, and handles are fixedly connected to the outer sides of the side plates; casters are installed at the bottom of the bottom plate.

[0014] The advantages of the present utility model are as follows: by directly stacking and installing multiple load power modules in the same chassis, parallel operation of each load power module is realized. Compared with the conventional main chassis and multiple slave chassis stacked and paralleled in a welding cabinet, the structure of the parallel cabinet is simplified, and under the same power density and service performance, the volume of the parallel operation is smaller, the structure is simpler, and the cost is lower. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the DC electronic load parallel cabinet according to the embodiment of the present utility model.

[0016] Figure 2 It is an exploded view of the DC electronic load parallel cabinet according to the embodiment of the present utility model.

[0017] Figure 3 It is a schematic structural diagram of the panel assembly according to the embodiment of the present utility model.

[0018] Figure 4 It is a schematic structural diagram of the fan assembly according to the embodiment of the present utility model.

[0019] Figure 5 It is a schematic structural diagram of the tray assembly according to the embodiment of the present utility model.

[0020] Figure 6 It is a schematic structural diagram of the main control installation assembly according to the embodiment of the present utility model. Detailed Embodiments

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] As Figures 1 to 6 shown, an embodiment of the present utility model discloses a DC electronic load parallel chassis, which includes a box body 1, a panel assembly 2, an air intake assembly 3, an air outlet assembly 4, a fan assembly 5, a tray assembly 6, a main control installation assembly 7, a bus electrode 8, and a load power module 9.

[0023] The panel assembly 2 is arranged on the front side of the box body 1. The air intake assembly 3 is arranged on the front side of the box body 1 and communicates the inside and outside of the box body 1. The air outlet assembly 4 is arranged on the rear side of the box body 1 and communicates the inside and outside of the box body 1. The fan assembly 5, the tray assembly 6, the main control installation assembly 7, the bus electrode 8, and the load power module 9 are all arranged inside the box body 1. The tray assembly 6 has multiple layers and is arranged along the height direction of the box body 1. Multiple load power modules 9 are horizontally arranged side by side on each layer of the tray assembly 6. The main control installation assembly 7 is arranged above the tray assembly 6 and is used for installing electrical devices such as a main control circuit board and a power supply. The bus electrode 8 includes a positive connection copper bar and a negative connection copper bar. Multiple load power modules 9 are connected in parallel to the bus electrode 8, and the bus electrode 8 can connect external cables after parallel connection and current collection of each load power module 9.

[0024] The box body 1 includes a bottom plate 11, side plates 12, a cover plate 13, a handle 14, and casters 15. The left and right sides of the bottom plate 11 are respectively fixedly connected with side plates 12. The top of the side plates 12 is fixedly connected with a cover plate 13. The panel assembly 2 and the air intake assembly 3 are arranged on the front side of the side plates 12 from top to bottom in sequence. The air outlet assembly 4 is arranged on the rear side of the side plates 12. A handle 14 is fixedly connected to the outside of each side plate 12 by screws. Casters 15 are installed at the four corners of the bottom of the bottom plate 11. The casters 15 are universal wheels. The arrangement of the handle 14 and the casters 15 facilitates the movement of the entire parallel chassis.

[0025] The panel assembly 2 includes an installation panel 21, a switch 22, a display screen 23, buttons 24, a knob 25, and a decorative panel 26. The installation panel 21 is a 4U sheet metal panel and is fixedly connected to the side plates 12 and the cover plate 13 through screw holes. The installation panel 21 is provided with a switch 22, a display screen 23, buttons 24, a knob 25, and a decorative panel 26 made of plastic material on the outer surface of the box body 1. The buttons 24 and the knob 25 are used to set various parameters of the DC electronic load parallel chassis, and the display screen 23 is used to display the working conditions.

[0026] The air inlet assembly 3 includes a plurality of air inlet panels arranged along the height direction of the cabinet 1. The air inlet panels are made of 3U sheet metal panels, and the air inlet panels are fixedly connected to the bottom plate 11 and the side plates 12 by screws. The number of the air inlet panels depends on the parallel connection layers of different models. A plurality of air inlet holes are provided on both the mounting panel 21 and the air inlet panels. The air inlet holes are used for the air inlet of the fan assembly 5 so as to dissipate heat from the load power module 9.

[0027] The air outlet assembly 4 includes a plurality of air outlet panels arranged along the height direction of the cabinet 1. The number of the air outlet panels of different models is different. The air outlet panels are made of sheet metal structures, and the air outlet panels are fixedly connected to the bottom plate 11, the side plates 12 and the cover plate 13 by screws. A plurality of air outlet holes are provided on the air outlet panels so as to discharge the heat dissipated by the load power module 9.

[0028] The fan assembly 5 includes a fan mounting structure 51 and a heat dissipation fan 52. The fan mounting structure 51 is a sheet metal structure. The fan mounting structure 51 is fixedly connected to the bottom plate 11, the side plates 12 and the cover plate 13 by screws. A circuit board and a plurality of heat dissipation fans 52 are mounted on the fan mounting structure 51.

[0029] The tray assembly 6 includes a tray 61, a guide rail seat 62 and a fixing member 63. The tray 61 is a sheet metal structure. The tray 61 is fixedly connected to the fan mounting structure 51 and the side plates 12 by screws. The tray 61 is located above the bottom plate 11 and there is a space for mounting the load power module 9 between the tray 61 and the bottom plate 11. Guide rail seats 62 are fixedly connected to the top and bottom of the tray 61, the top of the bottom plate 11 and the bottom of the main control mounting assembly 7. Guides cooperating with the guide rail seats 62 are fixedly connected to the top and bottom of the load power module 9. The load power module 9 can be pulled and installed by cooperating the guides with the guide rail seats 62. A fixing member 63 is fixedly connected to the tail of the tray 61. After the load power module 9 is installed in place, it can be fixedly connected to the fixing member 63 by screws.

[0030] The main control mounting assembly 7 is a sheet metal structure. The main control mounting assembly 7 is fixedly connected to the fan mounting structure 51 and the side plates 12 by screws.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A DC electronic load and chassis, characterized in that: It includes a box body, a tray assembly, a main control installation assembly, a bus electrode and a load power module; the tray assembly, the main control installation assembly, the bus electrode and the load power module are all arranged inside the box body; the tray assembly has multiple layers, and each layer of the tray assembly is equipped with multiple load power modules; multiple load power modules are connected in parallel to the bus electrode.

2. The DC electronic load parallel chassis according to claim 1, characterized in that: The DC electronic load and chassis also include a panel assembly, which includes an installation panel, a switch, a display screen, buttons and a knob. The installation panel is provided with switches, a display screen, buttons and a knob located on the outer surface of the box.

3. The DC electronic load parallel chassis according to claim 1, characterized in that: The DC electronic load parallel chassis also includes an air inlet component, an air outlet component and a fan component. The air inlet component and the air outlet component are respectively arranged on the box body and communicate with the inside and outside of the box body. The fan component is arranged inside the box body.

4. The DC electronic load parallel chassis according to claim 3, characterized in that: The layers of the tray assembly are arranged along the height direction of the box body; the air inlet assembly includes a plurality of air inlet panels arranged along the height direction of the box body, and the air inlet panels are provided with a plurality of air inlet holes; the air outlet assembly includes a plurality of air outlet panels arranged along the height direction of the box body, and the air outlet panels are provided with a plurality of air outlet holes.

5. The DC electronic load parallel chassis according to claim 3, characterized in that: The fan assembly comprises a fan mounting structure and a heat dissipation fan, wherein a circuit board and a plurality of heat dissipation fans are mounted on the fan mounting structure.

6. The DC electronic load parallel chassis according to claim 1, characterized in that: The tray assembly comprises a tray and a guide rail seat, the top and bottom of the tray are fixedly connected to the guide rail seat, and the top and bottom of the load power module are fixedly connected to the guide rails matching the guide rail seat.

7. The DC electronic load parallel chassis according to claim 6, characterized in that: The tray assembly also includes a fixing piece, and the tail portion of the tray is fixedly connected with the fixing piece.

8. The DC electronic load parallel chassis according to claim 6, characterized in that: The main control installation component is arranged above the tray component, and the bottom of the main control installation component is fixedly connected with a guide rail seat.

9. The DC electronic load parallel chassis according to claim 6, characterized in that: The box body comprises a bottom plate, the tray is located above the bottom plate and a space for installing the load power module is provided between the tray and the bottom plate, and a guide rail seat is fixedly connected to the top of the bottom plate.

10. The DC electronic load parallel chassis according to claim 9, characterized in that: The box body also includes side panels, handles and casters; the left and right sides of the bottom plate are respectively fixedly connected with side panels, and the outer side of each side plate is fixedly connected with a handle; and casters are installed at the bottom of the bottom plate.

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