A safe operation high-voltage frequency conversion bypass cabinet

Abstract

The application relates to the technical field of high-voltage variable-frequency bypass cabinets, and discloses a high-voltage variable-frequency bypass cabinet safe in operation, which is characterized by comprising a main body, a protective cover arranged in the main body, a supporting rod arranged on the inner side of the protective cover, a positioning block arranged on the outer side of the supporting rod, a limiting rod arranged on the inner side of the protective cover, a movable block arranged on the outer side of the protective cover, a connecting rod arranged in the movable block, a limiting block arranged in the movable block, and a fixed plate arranged in the main body. The high-voltage variable-frequency bypass cabinet safe in operation is provided with the protective cover, the supporting rod, the positioning block, the limiting rod, and the movable block, the connecting rod, the limiting block and the protective cover are arranged in cooperation, the internal structure of the equipment is protected during equipment use, the problem that water enters the interface part of the high-voltage variable-frequency bypass cabinet body to cause a safety hazard is avoided, and the operation safety is improved; the line position is limited through the movable block, the connecting rod, the limiting block and the protective cover, so that the lines are gathered together and oriented in the same direction.

Description

Technical Field

[0001] This invention relates to the field of high-voltage frequency converter bypass cabinet technology, specifically a high-voltage frequency converter bypass cabinet with safe operation. Background Technology

[0002] With the widespread application of high-voltage frequency converters (VFDs), their operational reliability is receiving increasing attention. Besides using high-quality, high-reliability VFDs, most systems consider configuring bypass cabinets. This allows switching to mains power in case of VFD failure, reducing power outage time and improving system reliability. In the bypass cabinet, a high-voltage VFD is used for circuit protection. A VFD is a control device that uses the switching action of power semiconductor devices to convert mains power into electrical energy of another frequency. Adding a bypass cabinet for the high-voltage VFD results in a high-voltage VFD bypass cabinet.

[0003] The existing high-voltage frequency converter bypass cabinet is safe to operate and has an internal light source. It can be operated directly by opening the cabinet door and closed after the work is completed, ensuring the safety of the internal circuits and equipment of the high-voltage frequency converter bypass cabinet. It is simple to operate and highly safe.

[0004] The existing technology has the following defects and shortcomings:

[0005] As a complex high-power power electronic device, the long-term stable operation of a frequency converter is still affected by certain factors, such as electromagnetic interference, component quality, ambient temperature, air cleanliness, and personnel maintenance level. The internal wiring of the high-voltage frequency converter bypass cabinet is numerous and messy, making inspection and maintenance difficult. The wiring interfaces are not protected, and accidental water ingress can lead to safety hazards. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a safe high-voltage frequency converter bypass cabinet that can solve the aforementioned problems; this device effectively solves the problem by incorporating a waterproof cable bundle structure.

[0007] To achieve the aforementioned objective of a safe high-voltage frequency converter bypass cabinet, the present invention provides the following technical solution: A safe high-voltage frequency converter bypass cabinet includes a main body, an inner protective cover, a support rod on the inner side of the protective cover, a positioning block on the outer side of the support rod, a limit rod on the inner side of the protective cover, a movable block on the outer side of the protective cover, a connecting rod inside the movable block, a limiting block inside the movable block, a fixing plate inside the main body, a wire harness ring on the outer side of the fixing plate, a movable frame outside the wire harness ring, and a fixing rod on the inner side of the movable frame.

[0008] Preferably, the interior of the protective cover is filled with a corresponding waterproof inner and outer protective waterproof coating, the size of the protective cover matches the size of the main body, and four sets of support rods are evenly distributed on the inner side of the protective cover.

[0009] Preferably, the dimensions of the support rods match the dimensions of the protective cover, and the positioning block is located at the end of each set of support rods furthest from the protective cover. The dimensions of the positioning block also match the dimensions of the main body.

[0010] Preferably, the position of the limiting rod corresponds to the position of the support rod, the inner side of the protective cover is provided with a sliding groove, the end of the connecting rod away from the movable block is slidably connected to the inner side of the sliding groove, and the specifications and dimensions of the movable block match the specifications and dimensions of the protective cover.

[0011] Preferably, two limiting blocks are symmetrically distributed inside the movable block. The surface of the movable block is provided with a slot, and the limiting block is movably connected to the inside of the slot. The position of the limiting block corresponds to the position of the connecting rod.

[0012] Preferably, a fixing block is provided on the outside of the fixing plate, the size of the fixing plate matches the size of the wire harness ring, and the position of the protective cover corresponds to the position of the fixing plate.

[0013] Preferably, the movable frame is movably connected to the outside of the cable tie ring, the dimensions of the movable frame match the dimensions of the cable tie ring, and the fixed rod is positioned between the cable tie ring and the movable frame.

[0014] Compared with the prior art, the present invention provides a high-voltage frequency converter bypass cabinet with safe operation and has the following beneficial effects:

[0015] 1. This high-voltage frequency converter bypass cabinet is designed for safe operation. By incorporating a protective cover, support rods, positioning blocks, and limit rods, it protects the internal structure of the equipment during use, preventing water from entering the cabinet interface and causing safety hazards, thus improving operational safety. Furthermore, by using movable blocks, connecting rods, and limit blocks in conjunction with the protective cover, it restricts the position of connected lines, ensuring that the lines are clustered in one place and facing the same direction.

[0016] 2. This safe high-voltage frequency converter bypass cabinet uses a combination of fixed plates, cable tie rings, movable frames, and fixed rods to bundle the lines at the protective cover and movable blocks, and allows for the classification and placement of the lines, making it convenient for staff to operate and handle the lines. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the external shape of the present invention;

[0018] Figure 2This is a schematic diagram of the protective part of the present invention;

[0019] Figure 3 This is a schematic diagram of the directional section of the circuit in this invention;

[0020] Figure 4 This is a schematic diagram of the wire harness structure of the present invention.

[0021] In the diagram: 1. Main body; 2. Protective cover; 3. Support rod; 4. Positioning block; 5. Limiting rod; 6. Movable block; 7. Connecting rod; 8. Restricting block; 9. Fixing plate; 10. Cable tie ring; 11. Movable frame; 12. Fixing rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1-4 A safe high-voltage frequency converter bypass cabinet is characterized by comprising: a main body 1, a protective cover 2 inside the main body 1, a support rod 3 inside the protective cover 2, a positioning block 4 outside the support rod 3, a limit rod 5 inside the protective cover 2, a movable block 6 outside the protective cover 2, a connecting rod 7 inside the movable block 6, a limiting block 8 inside the movable block 6, a fixing plate 9 inside the main body 1, a wire harness ring 10 outside the fixing plate 9, a movable frame 11 outside the wire harness ring 10, and a fixing rod 12 inside the movable frame 11. These components support and position other structures, coordinate with the movement of other structures, prevent water from entering the connection points of equipment and lines, classify the lines, and prevent the lines from becoming tangled.

[0024] In summary, the interior of the protective cover 2 is filled with corresponding waterproof inner and outer protective coatings. The dimensions of the protective cover 2 match those of the main body 1. Four sets of support rods 3 are evenly distributed on the inner side of the protective cover 2, enabling the structure to perform its desired function. The dimensions of the support rods 3 match those of the protective cover 2. The positioning block 4 is located at the end of each set of support rods 3 furthest from the protective cover 2. The dimensions of the positioning block 4 match those of the main body 1, positioning the structure and restricting its movement. The position of the limiting rod 5 corresponds to the position of the support rod 3. A sliding groove is provided on the inner side of the protective cover 2. The end of the connecting rod 7 furthest from the movable block 6 is slidably connected to the inner side of the sliding groove. The dimensions of the movable block 6 match those of the protective cover 2, ensuring the structure functions properly. The movement connects the corresponding structures together; two limiting blocks 8 are symmetrically distributed inside the movable block 6, and the surface of the movable block 6 has a slot. The limiting blocks 8 are movably connected to the inside of the slot. The position of the limiting blocks 8 corresponds to the position of the connecting rod 7, and together with other structures, they restrict the equipment circuit; a fixing block is set on the outside of the fixing plate 9. The specifications and dimensions of the fixing plate 9 match the specifications and dimensions of the wire harness ring 10. The position of the protective cover 2 corresponds to the position of the fixing plate 9, and the structure is fixedly connected and supported; the movable frame 11 is movably connected to the outside of the wire harness ring 10. The specifications and dimensions of the movable frame 11 match the specifications and dimensions of the wire harness ring 10. The position of the fixing rod 12 is between the wire harness ring 10 and the movable frame 11, so that the structure can play its corresponding role.

[0025] The working process and installation method of this invention are as follows: This safe high-voltage frequency converter bypass cabinet, by setting up a protective cover 2, support rod 3, positioning block 4, and limit rod 5, protects the internal structure of the equipment during use, preventing water from entering the interface of the high-voltage frequency converter bypass cabinet and causing safety hazards, thus improving operational safety; by setting up a movable block 6, connecting rod 7, and limiting block 8 in conjunction with the protective cover 2 and other structures, the position of the connected lines is restricted, so that the lines are clustered in one place and facing the same direction; by setting up a fixing plate 9, cable tie ring 10, movable frame 11, fixing rod 12 and other structures in cooperation, the lines at the protective cover 2 and movable block 6 are bundled together, and the lines can be classified and placed, making it convenient for operators to handle the lines.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A safe high-voltage frequency converter bypass cabinet, characterized in that: The device includes a main body (1), a protective cover (2) inside the main body (1), a support rod (3) inside the protective cover (2), a positioning block (4) outside the support rod (3), a limiting rod (5) inside the protective cover (2), a movable block (6) outside the protective cover (2), a connecting rod (7) inside the movable block (6), a limiting block (8) inside the movable block (6), a fixing plate (9) inside the main body (1), a wire harness ring (10) outside the fixing plate (9), a movable frame (11) outside the wire harness ring (10), and a fixing rod (12) inside the movable frame (11).

2. The high-voltage frequency converter bypass cabinet with operational safety according to claim 1, characterized in that: The protective cover (2) is filled with a corresponding waterproof inner and outer protective waterproof coating. The size of the protective cover (2) matches the size of the main body (1). Four sets of support rods (3) are evenly distributed on the inner side of the protective cover (2).

3. The high-voltage frequency converter bypass cabinet with operational safety according to claim 1, characterized in that: The dimensions of the support rod (3) match those of the protective cover (2). The positioning block (4) is located at the end of each support rod (3) away from the protective cover (2). The dimensions of the positioning block (4) match those of the main body (1).

4. A high-voltage frequency converter bypass cabinet with safe operation according to claim 1, characterized in that: The position of the limiting rod (5) corresponds to the position of the support rod (3). The inner side of the protective cover (2) is provided with a sliding groove. The end of the connecting rod (7) away from the movable block (6) is slidably connected to the inner side of the sliding groove. The specifications and dimensions of the movable block (6) match the specifications and dimensions of the protective cover (2).

5. A high-voltage frequency converter bypass cabinet with safe operation according to claim 1, characterized in that: The movable block (6) has two symmetrically distributed limiting blocks (8) inside. The surface of the movable block (6) is provided with a slot. The limiting block (8) is movably connected to the inside of the slot. The position of the limiting block (8) corresponds to the position of the connecting rod (7).

6. A high-voltage frequency converter bypass cabinet with safe operation according to claim 1, characterized in that: The fixing plate (9) is provided with a fixing block on its outside. The size of the fixing plate (9) matches the size of the wire harness (10). The position of the protective cover (2) corresponds to the position of the fixing plate (9).

7. A high-voltage frequency converter bypass cabinet with safe operation according to claim 1, characterized in that: The movable frame (11) is movably connected to the outside of the wire harness ring (10). The size of the movable frame (11) matches the size of the wire harness ring (10). The fixed rod (12) is positioned between the wire harness ring (10) and the movable frame (11).

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