Auxiliary frequency converter shell

By designing an auxiliary inverter housing, the problems of inverter protection and heat dissipation were solved, achieving equipment stability and flexibility, and improving user experience and operational reliability.

CN223758169UActive Publication Date: 2026-01-02HUMANETICS WUXI PRECISION METAL
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Patent Information

Application Number
CN202520074335.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-02
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Traditional frequency converters lack a dedicated protective housing, making them susceptible to corrosion from dust, moisture, and oil. They also have poor heat dissipation, leading to equipment damage and performance degradation. Furthermore, the opening and closing of the door may cause collisions with other equipment.

Method used

An auxiliary inverter housing was designed, comprising positioning components, heat dissipation vents, lifting lugs, partitions, and an adjustable angle steel structure, to achieve precise control of the door angle, fine adjustment of the housing height, and reasonable layout of the internal space, thereby enhancing protection and heat dissipation.

Benefits of technology

It improves the equipment's protection and heat dissipation efficiency, ensures the stability and flexibility of the door, reduces the risk of improper installation or equipment damage, and enhances user experience and equipment operational reliability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223758169U_ABST
    Figure CN223758169U_ABST
Patent Text Reader

Abstract

An auxiliary frequency converter shell comprises a shell body, supporting legs arranged at the bottom end of the shell body, a door body rotationally connected with the front end of the shell body, a storage cover, a heat dissipation opening, a lifting lug, a positioning assembly, a partition plate, a wire groove, third angle steel, a vertical groove, a fixing bolt and a fixing hole, and the storage cover is arranged at one corner of the inner side of the door body; the bottom end of the door body is connected with the shell through a positioning assembly. The device is novel in structure, the opening and closing angle of the door body is accurately controlled and flexibly adjusted, the use requirements in different scenes are met, for example, large opening is convenient to operate during equipment maintenance, small-angle closing is achieved during daily operation, protection and attractiveness are ensured, and the practicability and user experience of the equipment are improved; and meanwhile, the stability and reliability of the door body in various states are guaranteed, and potential safety hazards caused by shaking or untight closing of the door body are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a casing, concretely is a kind of auxiliary frequency converter casing. BACKGROUND

[0002] In the field of industrial automation, as a kind of key power control equipment, frequency converter is widely used in various production manufacturing processes, for accurately controlling the speed and torque of motor, to realize energy saving, speed regulation and process optimization etc. purposes. However, with the increasing complexity and diversification of industrial environment, more and more high requirements are put forward for the protection, installation, heat dissipation and maintenance etc. of frequency converter.

[0003] Traditional frequency converter installation mode is often relatively simple, usually just directly fixed frequency converter on cabinet or equipment support, lack of special protective casing. This makes frequency converter in harsh industrial environment vulnerable to dust, moisture, oil stains and other pollutants, leading to internal electronic components short circuit, corrosion damage, seriously affect the normal operation and service life of equipment. At the same time, due to the lack of good heat dissipation design, the heat generated by frequency converter in long time running process is difficult to effectively dissipate, easily causing equipment overheating, causing performance decline, fault shutdown even permanent damage, bring huge economic loss to production process.

[0004] The door body opening angle of the traditional frequency converter casing cannot be positioned when the door body is opened, so the door body may hit other parts when opening and closing, causing damage to other equipment, which is not conducive to use. SUMMARY

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a kind of auxiliary frequency converter casing, effectively solve the problem mentioned in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of auxiliary frequency converter casing, including casing, the supporting leg of the bottom end of casing and the door body rotationally connected to the front end of casing, further including receiving cover, heat dissipation port, lifting lug, positioning assembly, baffle, wire slot, third angle steel, vertical slot, fixed bolt and fixed hole, receiving cover is arranged at one corner position of the inner side of door body, and the bottom end of door body is connected with casing by positioning assembly;

[0007] The positioning assembly includes first angle steel, first shaft, connecting piece, second angle steel, moving slot, second shaft and adjusting hole, the inner side of the bottom end of casing is fixed with first angle steel, the top end of first angle steel is rotationally connected with connecting piece by first shaft, the bottom end of the inner side of door body is fixed with second angle steel, the middle part of second angle steel is provided with moving slot, one end of connecting piece is connected with second angle steel by second shaft, and a plurality of adjusting holes are formed in connecting piece.

[0008] Preferably, the bottom of the inside of the shell is provided with a partition plate, and a plurality of wire slots are formed in the partition plate.

[0009] Preferably, the bottom of the front end and the rear end of the shell is symmetrically provided with a plurality of third angle steels, a vertical slot is formed in the vertical part of the third angle steel, a fixing bolt fixed with the shell is rotatably connected in the vertical slot, and a fixing hole is formed in the horizontal part of the third angle steel.

[0010] Preferably, a heat dissipation opening is formed in the top of one side wall of the shell, and a lifting lug is fixed symmetrically at the top end of the shell.

[0011] Preferably, the number of the vertical slots and the fixing bolts is the same, and the positions are one-to-one corresponding.

[0012] Preferably, a plurality of threaded mounting holes are formed in the rear wall of the shell.

[0013] Beneficial effects: 1. The positioning assembly realizes accurate control and flexible adjustment of the opening angle of the door body through the synergistic effect of the first angle steel, the first rotating shaft, the connecting plate, the second angle steel, the moving slot, the second rotating shaft and the adjusting hole, meets the use requirements in different scenes, such as wide opening for convenient operation during equipment maintenance, small angle closing for ensuring protection and beauty during daily operation, improves the practicability and user experience of the equipment, and ensures the stability and reliability of the door body in various states, reduces the safety hidden danger caused by shaking or closing of the door body;

[0014] 2. The third angle steel and the vertical slot and the fixing bolt thereon are designed to allow accurate fine adjustment of the installation height of the shell to adapt to various complex installation site conditions and equipment layout requirements, improve the universality and adaptability of the product, make the installation process more convenient and efficient, ensure the horizontal stability of the equipment, and reduce the safety hidden danger and equipment damage risk caused by improper installation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with embodiments of the present utility model to explain the present utility model, and do not constitute a limitation on the present utility model. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall three-dimensional structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the shell of the present utility model;

[0018] Figure 3 is a schematic diagram of the partition plate setting structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the structure of A in the present utility model; Figure 2 ​

[0020] The following are the labels in the diagram: 1. Shell; 2. Support leg; 3. Door; 4. Storage cover; 5. Vent; 6. Lifting lug; 7. Positioning assembly; 8. First angle steel; 9. First pivot; 10. Connecting piece; 11. Second angle steel; 12. Moving groove; 13. Second pivot; 14. Adjustment hole; 15. Partition; 16. Cable groove; 17. Third angle steel; 18. Vertical groove; 19. Fixing bolt; 20. Fixing hole. Detailed Implementation

[0021] The following is in conjunction with the appendix Figures 1-4 The specific embodiments of this utility model will be described in further detail.

[0022] Example 1, by Figures 1-4 The present invention provides an auxiliary inverter housing. Housing 1: As the main body of the entire device, it is made of high-strength and corrosion-resistant material, which can effectively protect the internal inverter from external dust, moisture, electromagnetic interference and other factors. Several threaded mounting holes are provided on its rear wall to facilitate fixing the housing in the designated installation position and ensure its stability.

[0023] Support leg 2: Located at the bottom of housing 1, it supports the housing and keeps the housing at a certain distance from the mounting surface. This not only helps air circulation and improves heat dissipation, but also prevents the housing from getting damp or other potential damage due to direct contact with the ground.

[0024] Door 3: Installed at the front end of housing 1 by means of rotation connection, which facilitates the installation, debugging, maintenance and repair of frequency converter inside the housing; the opening and closing design of door 3 makes it easy for operators to quickly approach the internal equipment, improve work efficiency, and at the same time, it can fit tightly against the housing when closed, forming a relatively closed space to protect the safety of internal components.

[0025] Storage cover 4: Located in one corner inside the door 3, it can be used to store small tools, spare parts or operation manuals, etc., so that operators can easily access the items they need when performing equipment maintenance, improve work convenience, and at the same time avoid loss or damage caused by items being placed randomly, keeping the work area clean and orderly.

[0026] Heat dissipation vent 5: Located at the top of one side wall of housing 1, it promotes air circulation inside and outside the housing, dissipates the heat generated during the operation of the frequency converter in a timely manner, prevents the equipment performance from deteriorating or being damaged due to heat accumulation, ensures that the frequency converter operates stably within the normal temperature range, and improves its reliability and service life.

[0027] Lugs 6: symmetrically fixed at the top end of the shell 1, facilitating the use of lifting equipment for handling during equipment transportation, installation or position adjustment, reducing the labor intensity of operators, improving the efficiency and safety of installation and handling, and ensuring the stability of the shell during lifting to avoid damage due to shaking or collision.

[0028] Positioning assembly 7:

[0029] First angle steel 8: fixed at the inner side of the bottom end of the shell 1, providing a stable support foundation for the entire positioning assembly, ensuring the firm and reliable connection between the door body and the shell, and enhancing the overall structural stability of the shell.

[0030] First pivot 9: connecting the first angle steel 8 and the connecting piece 10, allowing the connecting piece 10 to rotate around the first pivot 9, realizing flexible rotation of the door body during opening and closing, while ensuring a certain flexibility of the connection between the door body and the shell, reducing damage to the shell and door body caused by impact force when opening and closing the door.

[0031] Connecting piece 10: as a transmission component between the door body and the shell, one end is connected to the second angle steel 11 through the second pivot 13, and the other end is rotationally connected to the first angle steel 8 through the first pivot 9, and a plurality of adjustment holes 14 are provided thereon, which can be used to adjust the position of the connecting piece 10 on the second angle steel 11, to realize accurate adjustment of the opening angle of the door body, to adapt to different use scenarios and operation requirements, while ensuring that the door body can tightly fit the shell when closed, achieving good sealing and protection effect.

[0032] Second angle steel 11: fixed at the bottom end of the inner side of the door body 3, providing a fixed connection point for one end of the connecting piece 10, cooperating with the first angle steel 8, and realizing stable connection and flexible opening and closing between the door body and the shell through the transmission action of the connecting piece 10, while the moving groove 12 provided therein provides space for adjustment of the connecting piece 10, facilitating operators to adjust the position of the door body according to actual needs.

[0033] Moving groove 12: provided in the middle of the second angle steel 11, allowing the connecting piece 10 to move within a certain range, thereby realizing fine adjustment of the position of the door body, making the door body better cooperate with the shell, ensuring the sealing and stability when closed, while also facilitating adjustment of the door body during installation and maintenance, improving the convenience of operation.

[0034] Second pivot 13: connecting the connecting piece 10 and the second angle steel 11, allowing the connecting piece 10 to rotate around the second pivot 13 on the second angle steel 11, and working together with the first pivot 9 to ensure smooth opening and closing action of the door body, reduce friction and jamming, and improve the service life and operation comfort of the door body.

[0035] Adjusting hole 14: opened on the connecting piece 10, by cooperating with the fixing part (such as bolt, etc.) on the second angle steel 11, the connecting piece 10 can be fixed at different positions, so as to realize the accurate control of the opening angle of the door body, meet the individual needs of different users in different use scenarios, and also facilitate the adjustment of the door body according to the actual situation during the use of the equipment, so as to ensure that it is always in the best working state.

[0036] Partition plate 15: installed at the bottom of the inside of the shell 1, divides the internal space of the shell into two layers, the upper layer can be used to install the frequency converter and other main equipment, and the lower layer can be used to arrange cables, pipelines or other auxiliary equipment, so that the internal layout is more reasonable and tidy, and it is convenient for management and maintenance; a plurality of wire slots 16 are opened on the partition plate 15, which are used to orderly guide and fix the cables, prevent the cables from being distributed in the shell in disorder, avoid electrical faults or safety hazards caused by cable winding, pulling and other problems, and also facilitate the inspection and maintenance of the cables, and improve the work efficiency.

[0037] Wire slot 16: opened on the partition plate 15, its shape and size are designed according to the specifications of common cables, which can accommodate cables of different specifications, and fix and limit the cables through the edges of the wire slot, so as to ensure that the cables are neat and standard in the shell, reduce the mutual interference between the cables, improve the stability and reliability of the electrical system, and also facilitate the later operation of capacity expansion, replacement or maintenance of the cables.

[0038] Third angle steel 17: symmetrically fixed at the bottom of the front end and the rear end of the shell 1, the vertical part is provided with a vertical slot 18, and the horizontal part is provided with a fixing hole 20; the vertical slot 18 cooperates with the fixing bolt 19, which can be used to adjust the position of the third angle steel 17 in the vertical direction, so as to realize the fine adjustment of the installation height of the shell, so as to adapt to different installation site conditions and equipment layout requirements; the fixing hole 20 can be used to connect other auxiliary equipment or further reinforce the connection with the external fixed structure, so as to enhance the stability and reliability of the shell after installation, and prevent displacement or shaking due to external force.

[0039] Vertical slot 18: opened on the vertical part of the third angle steel 17, provides an adjustable installation position for the fixing bolt 19, so that the operator can flexibly adjust the height of the third angle steel 17 according to the actual needs, and then adjust the overall installation height of the shell, meet the use requirements in different terrains or installation environments, and improve the universality and adaptability of the product.

[0040] Fixing bolt 19: screwed into the vertical slot 18 and fixedly connected with the shell 1. By tightening or loosening the fixing bolt 19, the third angle steel 17 can be moved up and down in the vertical slot 18, thereby achieving precise adjustment of the installation height of the shell, ensuring that the shell is in a horizontal and stable state after installation, and providing reliable foundation support for the normal operation of the internal equipment.

[0041] Fixing hole 20: provided in the horizontal part of the third angle steel 17, which can be used to connect with external support structures, fixed frames or other equipment. By using bolts, nuts and other connecting parts, the shell can be firmly fixed with the external structure, further enhancing the stability and anti-seismic performance of the shell, preventing displacement or damage of the shell due to vibration, collision and other factors during use, and ensuring the safe operation of the equipment.

[0042] Installation and use:

[0043] According to the actual situation of the installation site, select the appropriate installation position, and use the bolt to fix the shell on the specified position through the threaded mounting hole on the rear wall of the shell 1. During the fixing process, use a level or other tools to ensure that the shell is installed horizontally to ensure the normal operation of the internal equipment.

[0044] If it is necessary to adjust the installation height of the shell, the vertical slot 18 on the third angle steel 17 and the fixing bolt 19 can be used. First, loosen the fixing bolt 19, adjust the third angle steel 17 to the desired height position, then tighten the fixing bolt 19 to fix the third angle steel 17 at that position, thereby achieving fine adjustment of the installation height of the shell.

[0045] Door body installation and adjustment:

[0046] The door body 3 is installed at the front end of the shell 1 through rotating connection, ensuring that the door body can be flexibly opened and closed without jamming.

[0047] Install the positioning assembly 7, fix the first angle steel 8 at the inner side of the bottom end of the shell 1, and fix the second angle steel 11 at the bottom end of the inner side of the door body 3, then connect the connecting plate 10 to the first angle steel 8 and the second angle steel 11 through the first rotating shaft 9 and the second rotating shaft 13 respectively.

[0048] According to the actual use requirements, adjust the opening angle of the door body 3 through the adjustment hole 14 on the connecting plate 10. Select the appropriate adjustment hole 14, use bolts and other fixing parts to fix the connecting plate 10 on the second angle steel 11, so that the door body 3 can be kept at the desired opening position, ensuring that the door body tightly fits with the shell when closed, achieving good sealing and protection effect.

[0049] Internal equipment installation:

[0050] The partition plate 15 is installed at the bottom of the inside of the shell 1. According to the cable layout, the cable is placed in the wire groove 16 in an orderly manner, and the cable is fixed by using a cable tie or the like to prevent the cable from loosening or being messy.

[0051] The frequency converter and other equipment are installed in the shell space above the partition plate 15. According to the installation instructions of the equipment, the equipment is fixed and wired to ensure that the equipment is firmly installed and wired correctly.

[0052] Auxiliary component installation:

[0053] If it is necessary to use the lifting lug 6 for the transportation or installation of the shell, a suitable lifting device can be selected, the lifting hook is hung on the lifting lug 6, and it is ensured that the carrying capacity of the lifting device meets the weight requirements of the shell. During hoisting, attention should be paid to maintaining the balance and stability of the shell to avoid accidents such as collision or falling.

[0054] Some small tools, spare parts or operation manuals and other items can be placed in the storage cover 4 inside the door body 3 for easy access during equipment maintenance and operation.

[0055] Daily maintenance and inspection:

[0056] Periodically check whether the shell 1 and its components are firmly connected, loose, deformed or damaged, etc. In particular, whether the opening and closing of the door body 3 is smooth, and whether the positioning assembly 7 is working normally. If there is any abnormality, it should be adjusted or repaired in time.

[0057] Check whether the heat dissipation port 5 is unobstructed, whether it is blocked by dust and debris, etc. to ensure that the heat of the frequency converter can be dissipated in time during operation. If it is blocked, it should be cleaned in time to ensure good heat dissipation effect.

[0058] Periodically check whether the cable in the wire groove 16 is firmly fixed, whether it is damaged or aged, etc. If there is a problem, the cable should be replaced in time to ensure the safe and stable operation of the electrical system.

[0059] By personnel in the art, all electrical components in the case and their adapted power sources are connected by wires, and appropriate controllers and encoders should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should be referred to the working principle below to complete the electrical connection in the order of the working sequence of each electrical component. The detailed connection means is a well-known technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.

[0060] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An auxiliary frequency converter housing, comprising a housing (1), a supporting leg (2) arranged at the bottom end of the housing (1), and a door body (3) rotatably connected to the front end of the housing (1), characterized in that: It also includes the storage cover (4), the heat dissipation opening (5), the lifting lug (6), the positioning assembly (7), the partition (15), the wire slot (16), the third angle steel (17), the vertical slot (18), the fixing bolt (19) and the fixing hole (20), the door body (3) is provided with the storage cover (4) at one corner position of the inner side, the bottom end of the door body (3) is connected with the shell (1) through the positioning assembly (7); The positioning assembly (7) includes the first angle steel (8), the first rotating shaft (9), the connecting plate (10), the second angle steel (11), the moving slot (12), the second rotating shaft (13) and the adjusting hole (14), the first angle steel (8) is fixed on the inner side of the bottom end of the shell (1), the top end of the first angle steel (8) is rotatably connected with the connecting plate (10) through the first rotating shaft (9), the second angle steel (11) is fixed on the bottom end of the inner side of the door body (3), the middle part of the second angle steel (11) is provided with the moving slot (12), one end of the connecting plate (10) is connected with the second angle steel (11) through the second rotating shaft (13), and a plurality of adjusting holes (14) are formed in the connecting plate (10).

2. An auxiliary frequency converter housing as claimed in claim 1, characterised in that: The bottom of the inner side of the shell (1) is provided with the partition (15), and a plurality of wire slots (16) are formed in the partition (15).

3. An auxiliary frequency converter housing as claimed in claim 2, characterised in that: The bottom of the front end and the rear end of the shell (1) is fixed with a plurality of third angle steels (17) symmetrically, the vertical part of the third angle steel (17) is provided with the vertical slot (18), the vertical slot (18) is rotatably connected with the fixing bolt (19) fixed with the shell (1), and the horizontal part of the third angle steel (17) is provided with the fixing hole (20).

4. An auxiliary frequency converter housing as claimed in claim 3, characterised in that: The top of one side wall of the shell (1) is provided with the heat dissipation opening (5), and the top end of the shell (1) is fixed with the lifting lug (6) symmetrically.

5. An auxiliary frequency converter housing as claimed in claim 3, characterised in that: The vertical slot (18) and the fixing bolt (19) are provided in the same number and one-to-one correspondence.

6. An auxiliary frequency converter housing as claimed in claim 5, characterised in that: A plurality of threaded mounting holes are formed in the rear wall of the shell (1).