High-voltage box

Abstract

The utility model relates to a high-voltage box which comprises a box body. The box body is of a top opening structure, a supporting plate is laid at the bottom of the box body, and a relay assembly, a battery control unit, a switch assembly and a connector assembly are distributed on the upper end face of the supporting plate; an upper cover is mounted and packaged at the top of the box body; the diverters and the fuses are distributed at the top of the supporting plate. According to the utility model, the relay assembly comprises a main relay, a pre-charging relay and a pre-charging resistor; according to the overall structure, the distance between the disconnecting switch and the disconnecting switch handle is increased through line distribution and completion of the installation process between the supporting plate and the shell, other electrical components are all placed between the disconnecting switch and the disconnecting switch handle, and the width of the shell is shortened. And the isolating switch is matched with the isolating switch handle to realize remote control connection, and meanwhile, each component is reasonably distributed, so that the space utilization rate in the box body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-voltage boxes, and in particular relates to a high-voltage box. Background Art

[0002] High-voltage distribution boxes are widely used in many fields. In industrial production, they are widely used in mechanical processing, pharmaceutical, chemical and other industries because they can provide stable and reliable power supply. In the construction field, large shopping malls, hotels, apartments and other buildings need to ensure the safe and stable power supply of air conditioners, elevators and other equipment, so high-voltage distribution boxes are often used for power transmission and distribution.

[0003] In traditional high-voltage electrical boxes, the isolating switch is located close to the side of the box where the isolating switch handle is installed. This results in a very short distance between the isolating switch and the isolating switch handle, and no electrical components can be placed between the isolating switch and the isolating switch handle. Summary of the Invention

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0005] A high-voltage box, comprising a box body; the box body is an open-top structure, the bottom of the box body is paved with a support plate, and the upper surface of the support plate is distributed with a relay assembly, a battery control unit, a switch assembly and a connector assembly;

[0006] The top of the box body is equipped with an upper cover;

[0007] The shunt and fuse are distributed on the top of the support plate.

[0008] Further, the relay assembly includes a main relay, a pre-charge relay and a pre-charge resistor;

[0009] The main relay is arranged in a rack-mounted structure along the inner wall of the box, and the main relay is distributed on the left side of the switch assembly;

[0010] The pre-charge relay and pre-charge resistor are located on the right side of the switch component.

[0011] Furthermore, the switch assembly includes an isolating switch and an isolating switch handle;

[0012] The isolating switch has a carrier plate structure stacked front and back, and is fixedly mounted on the rear side wall of the box. An isolating switch connecting rod is installed at the isolating switch auxiliary contact of the isolating switch. The isolating switch connecting rod extends horizontally along the circular hole of the front row plate of the box, and an isolating switch handle is installed at the end of the extended isolating switch connecting rod.

[0013] Furthermore, a fan is installed along the side of the isolating switch of the box, and the fan is fixedly connected to the box through a fan bracket.

[0014] Furthermore, the connector assembly includes two sets of high-voltage connectors and three sets of mortgage connectors;

[0015] The external ends of the high-voltage connector and the three sets of mortgage connectors extend out from the side openings of the front panel of the box and are connected and fixed;

[0016] Indicator lights are distributed on the top of the front panel of the box.

[0017] Furthermore, the box body is provided with thermistors distributed along the middle section.

[0018] The beneficial effects of the utility model are:

[0019] Compared with the prior art, the present invention adopts a relay assembly including a main relay, a pre-charge relay, and a pre-charge resistor; the main relay is arranged in a rack-mounted structure along the inner wall of the box, and the main relay is distributed on the left side of the switch assembly; while the pre-charge relay and pre-charge resistor are distributed on the right side of the switch assembly. This overall structure is installed through the support plate and the housing through the distribution of lines, which increases the distance between the isolating switch and the isolating switch handle. The remaining electrical components are placed between the isolating switch and the isolating switch handle, shortening the width of the housing. The isolating switch cooperates with the isolating switch handle to achieve remote control connection, and at the same time, the various components are reasonably distributed, thereby improving the space utilization inside the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a high-voltage box of the utility model.

[0021] List of Figure Symbols:

[0022] 1 is the filter, 2 is the fuse, 3 is the main relay, 4 is the pre-charge relay, 5 is the pre-charge resistor, 6 is the battery control unit, 7 is the isolating switch, 8 is the isolating switch handle, 9 is the fan, 10 is the fan bracket, 11 is the indicator light, 12 is the high-voltage connector, 14 is the low-voltage connector, 17 is the thermistor, 18 is the support plate, 19 is the upper cover, and 20 is the box body. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0024] like Figure 1The figure shows a high-voltage box, comprising a box body 20 with an open top. A support plate 18 is installed on the bottom of the box body 20. The upper surface of the support plate 18 is provided with a relay assembly, a battery control unit 6, a switch assembly, and a connector assembly. The box body 20 serves as a loading and supporting structure, while the support plate 18 inside it serves as an auxiliary support structure for the mainboard. The relay assembly, battery control unit 6, switch assembly, and connector assembly are installed on the support plate 18. These components enable further wiring connections within the high-voltage box.

[0025] The top of the box body 20 is provided with an upper cover 19 ; the upper cover 19 serves as a dustproof and protective function.

[0026] The shunt 1 and the fuse 2 are both distributed on the top of the support plate 18 .

[0027] like Figure 1 As shown, the relay assembly includes a main relay 3, a pre-charge relay 4 and a pre-charge resistor 5;

[0028] The main relay 3 is a rack-mounted structure along the inner wall of the box 20, and the main relay 3 is distributed on the left side of the switch assembly;

[0029] The pre-charge relay 4 and the pre-charge resistor 5 are distributed on the right side of the switch component.

[0030] like Figure 1 As shown, the switch assembly includes an isolating switch 7 and an isolating switch handle 8;

[0031] The isolating switch 7 is in a front-to-back stacked carrier plate structure. The isolating switch is fixedly mounted on the rear side wall of the box body 20. An isolating switch connecting rod is installed at the isolating switch auxiliary contact of the isolating switch 7. The isolating switch connecting rod extends horizontally along the circular hole of the front row plate of the box body 20, and an isolating switch handle 8 is installed at the end of the extended isolating switch connecting rod.

[0032] like Figure 1 As shown, the box body 20 is equipped with a fan 9 along the side of the disconnector, and the fan 9 is fixedly connected to the box body 20 through a fan bracket 10.

[0033] like Figure 1 As shown, the connector assembly includes two sets of high voltage connectors 12 and three sets of mortgage connectors 14;

[0034] The external ends of the high-voltage connector 12 and the three sets of mortgage connectors 14 extend out from the side openings of the front panel of the box body 20 and are connected and fixed;

[0035] An indicator light 11 is distributed on the top of the front panel of the box body 20.

[0036] like Figure 1As shown, the box body 20 is provided with thermistors 17 distributed along the middle section.

[0037] In summary, this overall structure, through the distribution of circuits and the installation process between the support plate and the housing, increases the distance between the disconnector and the disconnector handle. The remaining electrical components are placed between the disconnector and the disconnector handle, shortening the width of the housing. The disconnector and the disconnector handle achieve remote control connection, while the various components are rationally distributed, improving the space utilization within the box.

[0038] It should be noted that the above content only illustrates the technical idea of ​​the utility model and cannot be used to limit the protection scope of the utility model. For ordinary technicians in this technical field, they can make several improvements and modifications without departing from the principles of the utility model. These improvements and modifications all fall within the protection scope of the claims of the utility model.

Claims

1. A high-voltage box, comprising a box body; characterized in that: The box (20) is an open-top structure, the bottom of the box (20) is paved with a support plate (18), and the upper end surface of the support plate (18) is distributed with a relay assembly, a battery control unit (6), a switch assembly, and a connector assembly; The top of the box (20) is equipped with a sealed upper cover (19); The shunt (1) and the fuse (2) are both distributed on the top of the support plate (18).

2. A high-voltage box according to claim 1, characterized in that: The relay assembly includes a main relay (3), a pre-charge relay (4) and a pre-charge resistor (5); The main relay (3) is arranged in a rack-mounted structure along the inner wall of the box (20), and the main relay (3) is distributed on the left side of the switch assembly; The pre-charge relay (4) and the pre-charge resistor (5) are located on the right side of the switch assembly.

3. A high-voltage box according to claim 1, characterized in that: The switch assembly comprises an isolating switch (7) and an isolating switch handle (8); The isolating switch (7) is in a front-to-back stacked carrier plate structure. The isolating switch is fixedly mounted on the rear side wall of the box body (20). An isolating switch connecting rod is mounted at the isolating switch auxiliary contact of the isolating switch (7). The isolating switch connecting rod extends horizontally along the circular hole of the front row plate of the box body (20), and an isolating switch handle (8) is mounted at the end of the extended isolating switch connecting rod.

4. A high-voltage box according to claim 1, characterized in that: The box (20) is provided with a fan (9) along the side of the isolating switch, and the fan (9) is fixedly connected to the box (20) via a fan bracket (10).

5. The high-voltage box according to claim 1, characterized in that: The connector assembly includes two sets of high-voltage connectors (12) and three sets of mortgage connectors (14); The external ends of the high-voltage connector (12) and the three sets of mortgage connectors (14) extend out along the side openings of the front row plate of the box body (20) and are connected and fixed; Indicator lights (11) are distributed on the top of the front row plate of the box (20).

6. A high-voltage box according to claim 1, characterized in that: The box (20) is provided with thermistors (17) distributed along the middle section.

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