Quickly detachable frequency converter

By designing a rapidly disassembleable inverter structure, the safety hazards during the maintenance of existing inverters are solved, rapid disassembly and repair are achieved, and safety risks and corrosion fire risks are reduced.

CN223273990UActive Publication Date: 2025-08-26SHENZHEN FEIZHAO TECH CO LTD
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Patent Information

Application Number
CN202421791437.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-27
Publication Date
2025-08-26
Estimated Expiration
2034-07-27

AI Technical Summary

Technical Problem

The existing inverter is an integrated structure, and maintenance personnel need to enter the interior for maintenance, which poses a life safety threat.

Method used

A quick-removable inverter is designed to remove the cabinet body and the top cover through assembly and connecting screws. The base is easy to disassemble and assemble through the clamping plate and clamping groove structure, and a drying plate is installed in the base to absorb moisture gas to avoid corrosion and debris accumulation.

Benefits of technology

The rapid disassembly and repair of the inverter is realized, which avoids maintenance personnel entering the interior, reduces safety risks, and prevents corrosion and fire risks of electronic components caused by moisture and debris accumulation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223273990U_ABST
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Abstract

The utility model discloses a rapidly detachable frequency converter, which relates to the technical field of frequency converters and comprises a cabinet body, the front surface of the cabinet body is movably connected with a cabinet door through a hinge plate, the inner side of the cabinet body is fixedly connected with a switch module, and the top of the cabinet body is fixedly connected with a top cover through an assembly part. According to the utility model, the connecting plates are in threaded connection with the connecting screw rods in the assembly parts, the connecting screw rods are connected to the inner sides of the assembly plates, and the movable plates movably connected to the inner sides of the assembly plates can adjust the distance between the two assembly plates, so that frequency converters with different sizes can be assembled; and the connecting screw rod of which the side surface is fixedly connected with the locking sleeve is matched with the assembling plate, so that the cabinet body and the top cover can be disassembled, maintenance personnel can maintain conveniently, and the situation that life safety is threatened due to the fact that the maintenance personnel directly enter the frequency converter is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a quickly detachable frequency converter. Background Art

[0002] A frequency converter primarily consists of a rectifier (AC to DC), filter, inverter (DC to AC), brake unit, drive unit, detection unit, and microprocessor. The frequency converter adjusts the output power voltage and frequency by switching its internal IGBTs, providing the required power voltage based on the motor's actual needs, thereby achieving energy savings and speed regulation. Frequency converters also offer numerous protection features, such as overcurrent, overvoltage, and overload protection. With the continuous advancement of industrial automation, frequency converters have become increasingly widely used.

[0003] When repairing an existing inverter, since the existing inverter is an integrated structure, maintenance personnel need to drill into the inverter to perform maintenance, which will pose a certain life safety risk. Utility Model Content

[0004] The purpose of the utility model is to provide a quickly detachable frequency converter, so as to solve the problem of life safety when the existing frequency converter is repaired. Since the existing frequency converter is an integrated structure, the maintenance personnel need to drill into the interior of the frequency converter for maintenance, which will cause certain life safety problems.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a quickly detachable inverter, comprising a cabinet body, the front side of the cabinet body being movably connected to a cabinet door via a hinge plate, and the inner side of the cabinet body being fixedly connected to a switch module, the top of the cabinet body being fixedly connected to a top cover via an assembly part, the bottom of the cabinet body being fixedly connected to a base, and a card slot being provided on the top of the base.

[0006] The assembly part includes an assembly plate, a movable plate, a connecting screw and a locking sleeve. The inner side of the assembly plate is movably connected to the movable plate, and the inner side of the assembly plate is threadedly connected to the connecting screw.

[0007] As an optimal technical solution of the present invention, the sides of the cabinet body and the top cover are provided with side grooves, and the inner sides of the two side grooves are fixedly connected with connecting plates, and the inner sides of the connecting plates are threadedly connected to the connecting screws; the top cover is installed on the top of the cabinet through an assembly part, and the inner sides of the side grooves opened on the top cover and the sides of the cabinet body are fixedly connected with connecting plates, which are threadedly connected to the connecting screws in the assembly part, and the connecting screws are connected to the inner side of the assembly plate. The movable plate movably connected on the inner side of the assembly plate can adjust the distance between the two assembly plates, so that it can be used to assemble inverters of different sizes. The connecting screws of the locking sleeve fixedly connected to the side cooperate with the assembly plate to realize the disassembly of the cabinet body and the top cover, which is convenient for maintenance personnel to carry out maintenance and avoid directly entering the interior of the inverter, which may threaten life safety.

[0008] As a preferred technical solution of the present invention, the shape of the assembly plate is conical.

[0009] As a preferred technical solution of the present invention, a clamping plate is fixedly connected to the bottom of the cabinet, and the bottom of the clamping plate is clamped to the inner side of the clamping slot.

[0010] As a preferred technical solution of the present invention, a fixing bolt is threadedly connected to the side of the clamping plate, and the bottom end of the fixing bolt is threadedly connected to the inner side of the clamping groove at the top of the base.

[0011] As a preferred technical solution of the present invention, a wiring slot is provided at the bottom of the base, and a drying plate is embedded on the inner side of the wiring slot; the base is installed on the bottom of the cabinet through a card plate and a card slot, and a drying plate is provided on the inner side of the wiring slot provided on the inner side of the base. The drying plate can absorb the humid gas inside the cabinet to prevent it from corroding the internal electronic components, and the side of the card plate is installed in the card slot of the base through fixing bolts, which can realize the rapid disassembly and assembly of the base, and can facilitate the cleaning of debris inside the base to avoid the accumulation of debris and cause fire and other dangerous situations.

[0012] As a preferred technical solution of the present invention, the bottom of the base is fixedly connected to a base platform.

[0013] As a preferred technical solution of the present invention, a locking sleeve is fixedly connected to the top end of the connecting screw.

[0014] As a preferred technical solution of the present invention, the size of the cabinet door is equal to the sum of the size of the cabinet body and the top cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model installs the top cover through the assembly part on the top of the cabinet, and the top cover and the inner sides of the side grooves opened on the sides of the cabinet are fixedly connected to the connecting plates, which are threadedly connected to the connecting screws in the assembly part, and the connecting screws are connected to the inner sides of the assembly plates. The movable plates movably connected on the inner sides of the assembly plates can adjust the distance between the two assembly plates, so that they can be used to assemble inverters of different sizes. The connecting screws of the locking sleeve fixedly connected to the side cooperate with the assembly plate to realize the disassembly of the cabinet and the top cover, which is convenient for maintenance personnel to carry out maintenance and avoids direct entry into the inverter, which may threaten life safety.

[0017] The utility model installs the base through the card plate and the card slot at the bottom of the cabinet, and a drying plate is provided on the inside of the wiring slot opened on the inner side of the base. The drying plate can absorb the humid gas inside the cabinet to prevent it from corroding the internal electronic components, and the side of the card plate is installed in the card slot of the base through fixing bolts, which can realize the rapid disassembly and assembly of the base, and can facilitate the cleaning of debris inside the base to avoid the accumulation of debris and other dangerous situations such as fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the structural front view of the utility model;

[0019] Figure 2 This is a partial front view of the structure of the utility model;

[0020] Figure 3 This is a structural top cover diagram of the utility model;

[0021] Figure 4 This is a structural base diagram of the utility model;

[0022] Figure 5 This is a structural assembly diagram of the utility model.

[0023] In the figure: 1. Cabinet body; 2. Cabinet door; 3. Top cover; 4. Assembly part; 41. Assembly plate; 42. Movable plate; 43. Connecting screw; 44. Locking sleeve; 5. Side groove; 6. Connecting plate; 7. Switch module; 8. Wiring slot; 9. Drying plate; 10. Base; 11. Fixing bolt; 12. Card plate; 13. Card slot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-5The utility model provides a quickly detachable inverter, including a cabinet 1, the front of the cabinet 1 is movably connected to a cabinet door 2 through a hinge plate, and the inner side of the cabinet 1 is fixedly connected to a switch module 7, the top of the cabinet 1 is fixedly connected to a top cover 3 through an assembly part 4, the bottom of the cabinet 1 is fixedly connected to a base 10, and a slot 13 is provided on the top of the base 10.

[0026] The assembly part 4 includes an assembly plate 41, a movable plate 42, a connecting screw 43 and a locking sleeve 44. The inner side of the assembly plate 41 is movably connected to the movable plate 42, and the inner side of the assembly plate 41 is threadedly connected to the connecting screw 43, and the top end of the connecting screw 43 is fixedly connected to the locking sleeve 44.

[0027] The sides of the cabinet 1 and the top cover 3 are both provided with side grooves 5, and the inner sides of the two side grooves 5 are fixedly connected with connecting plates 6, and the inner sides of the connecting plates 6 are threadedly connected with the connecting screws 43; the top cover 3 is installed on the top of the cabinet 1 through the assembly part 4, and the top cover 3 and the inner sides of the side grooves 5 opened on the sides of the cabinet 1 are fixedly connected with the connecting plates 6, and the connecting plates 6 are threadedly connected with the connecting screws 43 in the assembly part 4, and the connecting screws 43 are connected to the inner side of the assembly plate 41. The movable plate 42 movably connected on the inner side of the assembly plate 41 can adjust the distance between the two assembly plates 41, so that it can be used to assemble inverters of different sizes. The connecting screws 43 of the locking sleeve 44 fixed on the side cooperate with the assembly plate 41 to realize the disassembly of the cabinet 1 and the top cover 3, which is convenient for maintenance personnel to carry out maintenance and avoid directly entering the interior of the inverter, which may threaten life safety. The assembly plate 41 is conical in shape, and the bottom of the cabinet 1 is fixedly connected with a card plate 12, and the bottom of the card plate 12 is carded with the inner side of the card groove 13.

[0028] The side of the card plate 12 is threadedly connected with a fixing bolt 11, and the bottom end of the fixing bolt 11 is threadedly connected to the inner side of the card slot 13 at the top of the base 10. A wiring slot 8 is opened at the bottom of the base 10, and the inner side of the wiring slot 8 is inlaid with a drying plate 9; the bottom of the cabinet 1 is installed with the base 10 through the card plate 12 and the card slot 13, and the wiring slot 8 opened on the inner side of the base 10 is provided with a drying plate 9. The drying plate 9 can absorb the humid gas inside the cabinet 1 to prevent it from corroding the internal electronic components, and the side of the card plate 12 is installed in the card slot 13 of the base 10 through the fixing bolt 11, which can realize the rapid disassembly and assembly of the base 10, and can easily clean the debris inside the base 10 to avoid the accumulation of debris causing fire and other dangerous situations. The bottom of the base 10 is fixedly connected to the base.

[0029] When in use, first, when the electronic components in the cabinet 1 fail, it is necessary to remove the top cover 3 of the cabinet 1, and install the top cover 3 on the top of the cabinet 1 through the assembly part 4. The top cover 3 and the inner sides of the side grooves 5 opened on the side of the cabinet 1 are fixedly connected to the connecting plate 6, and the connecting plate 6 is threadedly connected to the connecting screw 43 in the assembly part 4, and the connecting screw 43 is connected to the inner side of the assembly plate 41. The movable plate 42 movably connected on the inner side of the assembly plate 41 can adjust the distance between the two assembly plates 41, so that it can be used to assemble inverters of different sizes. The connecting screw 43 of the locking sleeve 44 fixed on the side cooperates with the assembly plate 41 to realize the cabinet 1 and the top cover 3. The cabinet 1 can be disassembled to facilitate maintenance personnel to carry out maintenance and avoid directly entering the inverter, which may threaten life safety. When the base 10 at the bottom of the cabinet 1 needs to be disassembled, the base 10 is installed at the bottom of the cabinet 1 through the card plate 12 and the card slot 13. The wiring slot 8 opened on the inner side of the base 10 is provided with a drying plate 9. The drying plate 9 can absorb the moist gas inside the cabinet 1 to prevent it from corroding the internal electronic components. The side of the card plate 12 is installed in the card slot 13 of the base 10 through the fixing bolt 11, which can realize the rapid disassembly and assembly of the base 10, and can easily clean the debris inside the base 10 to avoid the accumulation of debris causing fire and other dangerous situations.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quickly detachable frequency converter, comprising a cabinet (1), characterized in that: The front of the cabinet (1) is movably connected to a cabinet door (2) via a hinge plate, and the inner side of the cabinet (1) is fixedly connected to a switch module (7), the top of the cabinet (1) is fixedly connected to a top cover (3) via an assembly part (4), and the bottom of the cabinet (1) is fixedly connected to a base (10), and a slot (13) is provided on the top of the base (10); The assembly part (4) comprises an assembly plate (41), a movable plate (42), a connecting screw (43) and a locking sleeve (44); the inner side of the assembly plate (41) is movably connected to the movable plate (42), and the inner side of the assembly plate (41) is threadedly connected to the connecting screw (43).

2. The quick-detachable frequency converter according to claim 1, characterized in that: Side grooves (5) are provided on the sides of the cabinet body (1) and the top cover (3), and connecting plates (6) are fixedly connected to the inner sides of the two side grooves (5), and the inner sides of the connecting plates (6) are threadedly connected to the connecting screws (43).

3. The quick-detachable frequency converter according to claim 1, characterized in that: The assembly plate (41) is in a conical shape.

4. The quick-detachable frequency converter according to claim 1, characterized in that: A clamping plate (12) is fixedly connected to the bottom of the cabinet (1), and the bottom of the clamping plate (12) is clamped to the inner side of the clamping slot (13).

5. The quick-detachable frequency converter according to claim 4, characterized in that: The side surface of the clamping plate (12) is threadedly connected to a fixing bolt (11), and the bottom end of the fixing bolt (11) is threadedly connected to the inner side of the clamping slot (13) at the top of the base (10).

6. The quick-detachable frequency converter according to claim 1, characterized in that: A wiring slot (8) is provided at the bottom of the base (10), and a drying plate (9) is embedded on the inner side of the wiring slot (8).

7. The quick-detachable frequency converter according to claim 1, characterized in that: The bottom of the base (10) is fixedly connected to a base platform.

8. The quick-detachable frequency converter according to claim 1, characterized in that: The top end of the connecting screw (43) is fixedly connected to a locking sleeve (44).

9. The quick-detachable frequency converter according to claim 1, characterized in that: The size of the cabinet door (2) is equal to the sum of the size of the cabinet body (1) and the top cover (3).