Isolation device and fuse

Abstract

The utility model discloses an isolation device and a fuse. The isolation device comprises a first cover plate, a second cover plate and a third cover plate. The first cover plate is arranged above the fuse main body; a device hole matched with a mounting hole in the fuse main body is formed in the first cover plate, and a mounting piece penetrates through the device hole and is in threaded connection with the mounting hole, so that the first cover plate and the fuse main body can be mounted; the second cover plate is connected with the first cover plate and is perpendicular to the first cover plate; the second cover plate is located at one end of the fuse main body, and a safe distance is reserved between the second cover plate and the fuse main body; the two adjacent sides of the third cover plate are connected with the first cover plate and the second cover plate correspondingly and are perpendicular to the first cover plate and the second cover plate. And the third cover plate is positioned on one side of the fuse main body. According to the utility model, contact between the power line and the fuse can be isolated, and potential safety hazards caused by long-term contact between the power line and a copper plate of the fuse are eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of fuses, in particular to an isolation device and a fuse. Background Art

[0002] During the current fuse trial production phase, interference with the bottom fuses FU111 (connection point located on the left side of the fuse) and FU112 (connection point located on the right side of the fuse) is a common problem, especially when wiring the copper plates BAT1+ / 1- of the combiner disconnector to the power lines of the PACK. Given that fuses are typically exposed to high voltage, prolonged contact with power lines can damage the insulation layer, thereby shortening the service life of the battery compartment. Therefore, an isolation device and fuse are urgently needed to address this issue. Utility Model Content

[0003] The purpose of the utility model is to provide an isolation device and a fuse, which can isolate the power line from contact with the fuse and eliminate the safety hazard caused by the power line contacting the copper plate of the fuse for a long time.

[0004] In order to solve the above technical problems, the utility model provides an isolation device, comprising: a first cover plate, a second cover plate and a third cover plate;

[0005] The first cover plate is arranged above the fuse body; a mounting hole is provided on the first cover plate to match the mounting hole on the fuse body, and a mounting piece is passed through the mounting hole and is threadedly connected to the mounting hole, so that the first cover plate and the fuse body can be mounted;

[0006] The second cover plate is connected to the first cover plate and is perpendicular to the first cover plate; the second cover plate is located at one end of the fuse body and keeps a safe distance from the fuse body;

[0007] Two adjacent sides of the third cover plate are respectively connected to the first cover plate and the second cover plate, and are perpendicular to the first cover plate and the second cover plate; the third cover plate is located on one side of the fuse body.

[0008] Furthermore, the first cover plate, the second cover plate and / or the third cover plate are provided with wire holes.

[0009] Furthermore, the first cover plate, the second cover plate and the third cover plate are all made of acrylic material.

[0010] Furthermore, the first cover plate, the second cover plate and the third cover plate are integrally formed.

[0011] Furthermore, the safety distance ranges from 7 to 10 mm.

[0012] Furthermore, the first cover plate, the second cover plate and the third cover plate are connected in a detachable manner.

[0013] Furthermore, the first cover plate and the third cover plate are both provided with openings on their portions close to the second cover plate for the torque sleeve to perform torque operations.

[0014] Furthermore, the parts of the first cover plate and the third cover plate close to the second cover plate form an operating space with the second cover plate; one side of the fuse body is located in the operating space; the opening is located on the operating space, and the torque sleeve can enter the operating space through the opening to perform torque operation on the fuse body.

[0015] In addition, the present invention also proposes a fuse, comprising the isolation device as described above and a fuse body; the isolation device is mounted on the fuse body and is located between the fuse body and the power line.

[0016] Furthermore, the fuse body includes a first side, a second side and a third side arranged opposite to each other; the two opposite first sides of the first side are respectively connected to the two second sides, and the two opposite second sides of the first side are respectively connected to the two third sides; the side of the second side away from the first side is connected to the third side; the first cover plate is arranged on the first side, the second cover plate is opposite to the second side, and the third cover plate is opposite to the third side.

[0017] Through the above technical solution, the utility model has the following beneficial effects:

[0018] The device can be mounted on the fuse body by arranging a first cover plate, a second cover plate, and a third cover plate; wherein the first cover plate is arranged above the fuse body; the first cover plate is provided with a mounting hole that matches the mounting hole on the fuse body, and a mounting piece is threadedly connected to the mounting hole through the mounting hole; the second cover plate is connected to the first cover plate and is perpendicular to the first cover plate; the second cover plate is located at one end of the fuse body and maintains a safe distance from the fuse body; the third cover plate is connected to the first and second cover plates on two adjacent sides and is perpendicular to the first and second cover plates; and the third cover plate is located on one side of the fuse body. This device can isolate the power line from contact with the fuse body, eliminating the safety hazard of long-term contact between the power line and the copper plate of the fuse body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a fuse in one embodiment of the present utility model;

[0020] Figure 2This is a front view of a fuse in one embodiment of the present utility model;

[0021] Figure 3 A top view of an isolation device in one embodiment of the present invention;

[0022] Figure 4 It is a side view of an isolation device in one embodiment of the present invention.

[0023] In the figure, 1, first cover plate; 11, installation hole; 2, second cover plate; 3, third cover plate; 4, fuse body; 41, first side; 42, second side; 43, third side; 5, opening; 6, operating space. DETAILED DESCRIPTION

[0024] The following is a more detailed description of an isolation device and fuse according to the present invention, with reference to the accompanying drawings. Preferred embodiments of the present invention are shown. It should be understood that those skilled in the art may modify the present invention as described herein while still achieving the beneficial effects of the present invention. Therefore, the following description should be understood as a general guide for those skilled in the art and not as a limitation of the present invention.

[0025] The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0026] like Figures 1-4 As shown, an embodiment of the present invention provides an isolation device for isolating a power line (not shown in the figure for simplicity) and a fuse body 4, comprising: a first cover plate 1, a second cover plate 2 and a third cover plate 3.

[0027] Specifically, the first cover plate 1 is arranged above the fuse body 4; the first cover plate 1 is provided with a mounting hole 11 that matches the mounting hole on the fuse body 4, and the first cover plate 1 can be installed on the fuse body 4 by passing the mounting hole 11 through a mounting piece and threadedly connected to the mounting hole; the second cover plate 2 is connected to the first cover plate 1 and is perpendicular to the first cover plate 1; the second cover plate 2 is located at one end of the fuse body 4 and keeps a safe distance from the fuse body 4; the adjacent two sides of the third cover plate 3 are respectively connected to the first cover plate 1 and the second cover plate 2, and are perpendicular to the first cover plate 1 and the second cover plate 2; the third cover plate 3 is located on one side of the fuse body 4.

[0028] By using the first cover plate 1, the second cover plate 2 and the third cover plate 3, the direct contact between the power line and the fuse body 4 is effectively isolated, reducing the risk of damaging the insulation layer due to long-term contact with the high-voltage fuse, thereby improving the service life and overall safety of the battery compartment. The device is installed using the screws that come with the fuse, without the need for additional installation accessories, reducing costs and solving problems in the actual assembly process. The design of the cover plate allows it to be installed on the fuse body 4 through a simple threaded connection, simplifying the installation process and improving assembly efficiency. The second cover plate 2 maintains a safe distance from the fuse body 4, while the design of the third cover plate 3 makes the layout of the power line and the fuse more reasonable and optimizes space utilization. The design of the cover plate structure allows the cover plate to be easily removed and necessary operations performed when maintenance or replacement of the fuse is required.

[0029] Those skilled in the art will appreciate that the specific sizes of the first cover plate 1 , the second cover plate 2 and the third cover plate 3 in this embodiment may be set according to the size of the fuse body 4 or according to actual needs.

[0030] In this embodiment, the first cover plate 1, the second cover plate 2, and / or the third cover plate 3 are provided with wire holes. The provision of wire holes allows power lines to be routed through the holes in the cover plates, increasing wiring flexibility and convenience, allowing the power lines to be routed along the desired path. The presence of the wire holes allows maintenance personnel to more easily access the fuse body 4, facilitating routine inspection and maintenance work, as well as facilitating fuse replacement. The provision of wire holes ensures that the power lines maintain a safe distance from the fuse body 4 when passing through the cover plates, thereby improving insulation performance and reducing the risk of electrical failure. The provision of wire holes helps reduce electromagnetic interference between the power lines and the fuse body 4, thereby improving the stability and reliability of the entire system. The provision of wire holes makes wiring neater, enhances the aesthetics of the entire device, and facilitates user identification and operation. The wire holes can be designed according to actual needs to accommodate different models of power lines and fuse bodies 4, increasing the versatility and applicability of the device.

[0031] As a preferred embodiment, the first cover plate 1, the second cover plate 2, and the third cover plate 3 are all made of acrylic. Those skilled in the art will appreciate that, while achieving the same effect, the first cover plate 1, the second cover plate 2, and the third cover plate 3 can also be made of materials other than the acrylic used in this embodiment. Acrylic's excellent transparency facilitates observation of the fuse's status, facilitating maintenance and inspection. Acrylic is an insulating material that effectively isolates electrical current, reducing the risk of electrical failure and improving safety.

[0032] As a preferred embodiment, the first cover panel 1, the second cover panel 2, and the third cover panel 3 are integrally formed. This integrated molding arrangement improves the overall structural stability of the cover panel and reduces structural weaknesses caused by improper assembly. This integrated molding reduces the number of steps in the assembly process, improves production efficiency, and shortens the manufacturing cycle. It also reduces the number of seams between the cover panels, reducing safety hazards caused by poor sealing at these seams.

[0033] In this embodiment, the safety distance ranges from 7 to 10 mm. For example, the safety distance can be 7 mm, 8 mm, 9 mm, 10 mm, and so on. Those skilled in the art will appreciate that the safety distance can be set according to actual needs while achieving the same effect. Considering that a torque socket or wrench is required for conventional operations on the fuse, such as torque operations, reserving the wiring harness routing position and the torque application position, i.e., the safety distance, can facilitate subsequent operations.

[0034] As a preferred embodiment, the first cover plate 1, the second cover plate 2 and the third cover plate 3 are connected in a detachable manner.

[0035] In this embodiment, openings 5 ​​are provided on the first cover plate 1 and the third cover plate 3 near the second cover plate 2 for the torque sleeve to perform torque operations.

[0036] In a specific example, the first cover plate 1 and the third cover plate 3, the parts close to the second cover plate 2, form an operating space 6 with the second cover plate 2; one side of the fuse body 4 is located in the operating space 6; the opening 5 is located on the operating space 6, and the torque sleeve (not shown in the figure for the sake of simplicity) can enter the operating space 6 through the opening 5 to perform torque operation on the fuse body 4.

[0037] In addition, this embodiment also proposes a fuse, including the isolation device as described above, and also including a fuse body 4. Specifically, the isolation device is installed on the fuse body 4 and is located between the fuse body 4 and the power line. Through the protection of the isolation device, fuse failures caused by accidental contact or environmental factors are reduced, thereby reducing the failure rate of the overall system. The presence of the isolation device ensures that a safe distance is maintained between the power line and the fuse body 4, reducing the risk of electrical accidents caused by contact. The isolation device acts as a physical barrier, effectively isolating the power line from direct contact with the fuse body 4, and improving the insulation performance of the system.

[0038] In a specific example, the fuse body 4 includes a first side 41, a second side 42 and a third side 43 arranged opposite to each other; the two opposite first sides of the first side 41 are respectively connected to the two second sides 42, and the two opposite second sides of the first side 41 are respectively connected to the two third sides 43; the side of the second side 42 away from the first side 41 is connected to the third side 43; the first cover plate 1 is arranged on the first side 41, the second cover plate 2 is facing the second side 42, and the third cover plate 3 is facing the third side 43.

[0039] In this embodiment, the first cover plate 1 , the second cover plate 2 and the third cover plate 3 are respectively installed on corresponding sides of the fuse body 4 to ensure that a certain safety distance is maintained between the power line and the fuse body 4 .

[0040] In summary, the isolation device and fuse proposed in the present invention have the following advantages:

[0041] The device can be mounted on the fuse body by arranging a first cover plate, a second cover plate, and a third cover plate; wherein the first cover plate is arranged above the fuse body; the first cover plate is provided with a mounting hole that matches the mounting hole on the fuse body, and a mounting piece is threadedly connected to the mounting hole through the mounting hole; the second cover plate is connected to the first cover plate and is perpendicular to the first cover plate; the second cover plate is located at one end of the fuse body and maintains a safe distance from the fuse body; the third cover plate is connected to the first and second cover plates on two adjacent sides and is perpendicular to the first and second cover plates; and the third cover plate is located on one side of the fuse body. This device can isolate the power line from contact with the fuse body, eliminating the safety hazard of long-term contact between the power line and the copper plate of the fuse body.

[0042] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. An isolation device, characterized in that: include: a first cover plate, a second cover plate, and a third cover plate; The first cover plate is arranged above the fuse body; a mounting hole is provided on the first cover plate to match the mounting hole on the fuse body, and a mounting piece is passed through the mounting hole and is threadedly connected to the mounting hole, so that the first cover plate and the fuse body can be mounted; The second cover plate is connected to the first cover plate and is perpendicular to the first cover plate; the second cover plate is located at one end of the fuse body and keeps a safe distance from the fuse body; Two adjacent sides of the third cover plate are respectively connected to the first cover plate and the second cover plate, and are perpendicular to the first cover plate and the second cover plate; the third cover plate is located on one side of the fuse body.

2. The isolation device according to claim 1, wherein: The first cover plate, the second cover plate and / or the third cover plate are provided with wire holes.

3. The isolation device according to claim 1, wherein: The first cover plate, the second cover plate and the third cover plate are all made of acrylic material.

4. The isolation device according to claim 1, wherein: The first cover plate, the second cover plate and the third cover plate are integrally formed.

5. The isolation device according to claim 1, wherein: The safety distance ranges from 7 to 10 mm.

6. The isolation device according to claim 1, wherein: The first cover plate, the second cover plate and the third cover plate are connected in a detachable manner.

7. The isolation device according to claim 1, wherein: The first cover plate and the third cover plate are both provided with openings on their portions close to the second cover plate for the torque sleeve to perform torque operations.

8. The isolation device according to claim 7, wherein: The parts of the first cover plate and the third cover plate close to the second cover plate form an operating space with the second cover plate; one side of the fuse body is located in the operating space; the opening is located on the operating space, and the torque sleeve can enter the operating space through the opening to perform torque operation on the fuse body.

9. A fuse comprising the isolation device according to any one of claims 1 to 8, characterized in that: It also includes a fuse body; the isolation device is installed on the fuse body and is located between the fuse body and the power line.

10. The fuse according to claim 9, wherein The fuse body includes a first side surface, a second side surface and a third side surface that are arranged opposite to each other; the two opposite first side surfaces of the first side surface are respectively connected to the two second side surfaces, and the two opposite second side surfaces of the first side surface are respectively connected to the two third side surfaces; the side surface of the second side surface away from the first side surface is connected to the third side surface; the first cover plate is arranged on the first side surface, the second cover plate is opposite to the second side surface, and the third cover plate is opposite to the third side surface.

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