A dustproof device for frequency converter

Abstract

This utility model relates to the field of frequency converter technology, specifically to a dustproof device for frequency converters. It includes a frequency converter housing with a frame at the upper end. A dustproof filter is fixedly connected to the inner wall of the frame. Two symmetrical first sliding grooves are carved at the upper end of the frequency converter housing, with a first slider slidably connected within each groove. A first translation rod is provided between the two first sliders, and a connecting rod is fixedly connected between the first translation rod and the first sliders. A second sliding groove is carved at the outer end of the frequency converter housing, with a second slider slidably connected within it. A second translation rod is provided at the outer end of the second slider, with a cleaning brush at the upper end of the second translation rod. This device allows for pushing the first translation rod to move the frame, then sliding the second translation rod to drive the cleaning brush to clean the filter. It can also flip the frame to clean both sides, ensuring dustproof performance, facilitating maintenance, extending equipment lifespan, and ensuring stable operation.

Description

Technical Field

[0001] This utility model relates to the field of frequency converter technology, specifically to a dustproof device for frequency converters. Background Technology

[0002] In industrial production and the operation of various electrical equipment, frequency converters, as key devices that can adjust motor speed and torque to achieve energy saving and precise control, are widely used in many fields, such as power, metallurgy, petrochemical, and machinery manufacturing. However, frequency converters face many challenges from environmental factors during long-term operation, among which the impact of dust is particularly significant.

[0003] To reduce the impact of dust on frequency converters, traditional dust prevention methods mainly involve setting up ventilation openings on the frequency converter housing and installing simple filters at these openings. However, this traditional dust prevention method has many limitations. After a period of use, traditional filters accumulate a large amount of dust, leading to increased ventilation resistance and affecting the frequency converter's heat dissipation. Moreover, cleaning traditional filters usually requires disassembling the frequency converter housing, which is cumbersome, increases maintenance costs, and may also lead to prolonged equipment downtime, affecting production efficiency.

[0004] Therefore, a dustproof device for frequency converters is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a dustproof device for frequency converters. It can push the first translation rod to move the frame, and then slide the second translation rod to drive the cleaning brush to clean the filter screen. It can also flip the frame to clean both sides, which not only ensures the dustproof effect, but also facilitates maintenance, extends the service life of the equipment, and ensures stable operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a frequency converter dustproof device, including a frequency converter housing, a frame at the upper end of the frequency converter housing, a dustproof filter screen fixedly connected to the inner wall of the frame, two first sliding grooves symmetrical about the frame at the upper end of the frequency converter housing, a first slider slidably connected in the first sliding groove, a first translation rod between the two first sliders, a connecting rod fixedly connected between the first translation rod and the first slider, a second sliding groove at the outer end of the frequency converter housing, a second slider slidably connected in the second sliding groove, a second translation rod at the outer end of the second slider, and a cleaning brush at the upper end of the second translation rod. This allows for pushing the first translation rod to move the frame, then sliding the second translation rod to drive the cleaning brush to clean the filter screen. It also allows for flipping the frame to clean both sides, ensuring dustproof performance, facilitating maintenance, extending equipment lifespan, and ensuring stable operation.

[0007] Preferably, two symmetrical slot sealing plates are fixedly connected to the outer end of the inverter housing. The slot sealing plates are located at the opening of the first slide groove. By setting the slot sealing plates, the opening of the first slide groove can be closed, thereby making it difficult for the first slider to separate from the first slide groove.

[0008] Preferably, a rotating shaft is fixedly connected to one end of the frame near the first translation rod, and a rotating hole matching the rotating shaft is drilled at the outer end of the first translation rod. By setting the rotating shaft and the rotating hole, technicians can easily flip the frame when cleaning the dust filter, so as to clean both sides of the dust filter.

[0009] Preferably, the end of the frame away from the first translation rod has two symmetrical pressing grooves. By setting a rotating shaft, technicians can easily flip the frame, thereby improving the work efficiency of technicians.

[0010] Preferably, a groove is chiseled at the end of the second slider near the second translation rod, and a locking block is chiseled at the end of the second translation rod near the second slider. The locking block and the groove are interference-fitted. By setting the groove and the locking block, technicians can easily disassemble and assemble the second slider and the second translation rod. Thus, the second translation rod can be removed when the inverter housing is in operation, and the second translation rod can be re-engaged with the second slider when the inverter housing is being maintained.

[0011] Preferably, a lever is fixedly connected to the end of the second translation rod away from the second slider. The surface of the lever is engraved with anti-slip texture. By setting the lever and setting the anti-slip texture on its surface, technicians can easily move the second translation rod horizontally, thereby improving the work efficiency of technicians.

[0012] Preferably, the contact points between the second slide groove and the second slider are polished. This polishing allows the second slider to slide more smoothly within the second slide groove.

[0013] Compared with the prior art, this utility model provides a dustproof device for frequency converters, which has the following beneficial effects:

[0014] 1. This device moves the frame by pushing the first translation rod, and then slides the second translation rod to drive the cleaning brush to clean the filter screen. It can also flip the frame to clean both sides, which not only ensures the dust prevention effect, but also facilitates maintenance, extends the service life of the equipment, and ensures stable operation.

[0015] 2. The slot sealing plate of this device prevents the first slider from separating from the first slide groove, ensuring structural stability. The design of the rotating shaft and rotating hole allows the frame to be flipped. The pressing groove facilitates operation. The interference fit between the slot and the block facilitates quick assembly and disassembly of the second slider and the second translation rod, meeting the needs of different working scenarios and improving work efficiency.

[0016] 3. The device's lever surface is engraved with anti-slip texture, making it easier for technicians to move the second translation lever horizontally and reducing operational errors. The contact area between the second slide groove and the second slider is polished, making the sliding smoother, reducing wear, and further improving the convenience and smoothness of the cleaning operation, thus enhancing the overall user experience. Attached Figure Description

[0017] Figure 1 This is a perspective view of the entire utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the structure at point A;

[0019] Figure 3 for Figure 1 Schematic diagram of the structure at point B;

[0020] Figure 4 A 3D view of the dust filter during cleaning;

[0021] Figure 5 This is an exploded view of the second slider and the second translation rod of this utility model;

[0022] Figure 6 This is an exploded view of the first translation rod and the frame portion of this utility model.

[0023] In the diagram: 1. Inverter housing; 101. Slot sealing plate; 2. Frame; 201. Rotating shaft; 202. Pressing slot; 3. Dust filter; 4. First slide groove; 5. First slider; 6. First translation rod; 601. Rotation hole; 7. Connecting rod; 8. Second slide groove; 9. Second slider; 901. Slot; 10. Second translation rod; 1001. Locking block; 1002. Toggle lever; 11. Cleaning brush. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example:

[0026] Please see Figure 1 - Figure 6This embodiment of a frequency converter dustproof device includes a frequency converter housing 1, a frame 2 at the upper end of the frequency converter housing 1, a rubber layer at the bottom end of the frame 2, the rubber layer being tightly attached to the frequency converter housing 1, a dustproof filter 3 fixedly connected to the inner wall of the frame 2, two first sliding grooves 4 symmetrically cut about the frame 2 at the upper end of the frequency converter housing 1, a first slider 5 slidably connected in the first sliding groove 4, a first translation rod 6 between the two first sliders 5, a connecting rod 7 fixedly connected between the first translation rod 6 and the first slider 5, a second sliding groove 8 cut at the outer end of the frequency converter housing 1, a second slider 9 slidably connected in the second sliding groove 8, a second translation rod 10 at the outer end of the second slider 9, and a cleaning brush 11 at the upper end of the second translation rod 10. This allows the first translation rod to be pushed to move the frame, and then the second translation rod to be slid to drive the cleaning brush to clean the filter. It also allows the frame to be flipped over to clean both sides, ensuring dustproof effect, facilitating maintenance, extending equipment lifespan, and ensuring stable operation.

[0027] When the technician pushes the first translation rod 6, the first translation rod 6 will drive the first slider 5 to slide in the first slide groove 4 with the help of the connecting rod 7. This sliding structure provides a basis for the subsequent cleaning of the dust filter 3, so that the frame 2 associated with the first translation rod 6 can be displaced, creating convenient conditions for the cleaning work.

[0028] When the first translation rod 6 moves the frame 2 to the appropriate position, the second translation rod 10 can cooperate with the second slider 9 and slide in the second slide groove 8. At this time, the cleaning brush 11 moves with the second translation rod 10 and can clean the surface of the dust filter 3, remove the dust attached to the dust filter 3, ensure the air permeability and dustproof effect of the dust filter 3, extend the service life of the dust filter 3, and ensure that the frequency converter can operate continuously and stably. These structures work together to form a complete dustproof and filter cleaning system, which not only effectively prevents dust from the frequency converter, but also facilitates technicians to clean and maintain the dust filter 3.

[0029] Please see Figure 3 and Figure 6Two symmetrical slot sealing plates 101 are fixedly connected to the outer end of the inverter housing 1. The slot sealing plates 101 are located at the opening of the first slide groove 4. By setting the slot sealing plates 101, the opening of the first slide groove 4 can be closed, so that the first slider 5 is not easy to separate from the first slide groove 4. A rotating shaft 201 is fixedly connected to the end of the frame 2 near the first translation rod 6. The outer end of the first translation rod 6 is chiseled with a rotating hole 601 that matches the rotating shaft 201. By setting the rotating shaft 201 and the rotating hole 601, technicians can easily flip the frame 2 when cleaning the dust filter 3, so that both sides of the dust filter 3 can be cleaned. Two symmetrical pressing grooves 202 are chiseled at the end of the frame 2 away from the first translation rod 6. By setting the rotating shaft 201, technicians can easily flip the frame 2, thereby improving the work efficiency of technicians.

[0030] Please see Figure 2 and Figure 5 The second slider 9 has a slot 901 cut at one end near the second translation rod 10, and a block 1001 cut at the other end of the second translation rod 10 near the second slider 9. The block 1001 and the slot 901 are interference-fitted. By setting the slot 901 and the block 1001, technicians can easily disassemble and assemble the second slider 9 and the second translation rod 10. The second translation rod 10 can be removed when the inverter housing 1 is working, and then reattached to the second slider 9 when the inverter housing 1 is being maintained. A lever 1002 is fixedly connected to the end of the second translation rod 10 away from the second slider 9. The surface of the lever 1002 is engraved with anti-slip texture. By setting the lever 1002 and setting the anti-slip texture on its surface, technicians can easily move the second translation rod 10 horizontally, thereby improving the work efficiency of technicians. The contact points between the second slide groove 8 and the second slider 9 are polished. The polishing makes the second slider 9 slide more smoothly in the second slide groove 8.

[0031] The working principle of the above embodiments is as follows:

[0032] In use, the technician first slides the first translation rod 6 outward, so that the first slider 5 slides along the first slide groove 4 until it abuts against the groove sealing plate 101, so that the frame 2 is misaligned with the inverter housing 1. After aligning the locking block 1001 with the locking groove 901, it is locked into the locking groove 901. Then, the lever 1002 is held by hand, and with the sliding action between the second slide groove 8 and the second slider 9, the second translation rod 10 is slid laterally, so that the cleaning brush 11 cleans the dust filter 3. After cleaning one side, the frame 2 can be flipped under the rotation of the first translation rod 6 and the frame 2 to continue cleaning the other side of the dust filter 3. Compared with the prior art, this utility model can push the first translation rod to move the frame, and then slide the second translation rod to drive the cleaning brush to clean the filter. It can also flip the frame to clean both sides, which not only ensures the dustproof effect, facilitates maintenance, extends the service life of the equipment, and ensures stable operation.

[0033] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0034] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dustproof device for a frequency converter, comprising a frequency converter housing (1), characterized in that: The inverter housing (1) has a frame (2) at the upper end. A dust filter (3) is fixedly connected to the inner wall of the frame (2). The inverter housing (1) has two first sliding grooves (4) symmetrical about the frame (2) at the upper end. A first slider (5) is slidably connected in the first sliding groove (4). A first translation rod (6) is provided between the two first sliders (5). A connecting rod (7) is fixedly connected between the first translation rod (6) and the first slider (5). The inverter housing (1) has a second sliding groove (8) at the outer end. A second slider (9) is slidably connected in the second sliding groove (8). A second translation rod (10) is provided at the outer end of the second slider (9). A cleaning brush (11) is provided at the upper end of the second translation rod (10).

2. The inverter dustproof device according to claim 1, characterized in that: The inverter housing (1) has two mutually symmetrical slot sealing plates (101) fixedly connected to its outer end. The slot sealing plates (101) are located at the opening of the first slide groove (4).

3. The inverter dustproof device according to claim 1, characterized in that: A rotating shaft (201) is fixedly connected to one end of the frame (2) near the first translation rod (6), and a rotating hole (601) matching the rotating shaft (201) is drilled at the outer end of the first translation rod (6).

4. The inverter dustproof device according to claim 1, characterized in that: Two symmetrical pressing grooves (202) are chiseled at the end of the frame (2) away from the first translation rod (6).

5. A dustproof device for a frequency converter according to claim 1, characterized in that: The second slider (9) has a slot (901) at one end near the second translation rod (10), and the second translation rod (10) has a block (1001) at one end near the second slider (9). The block (1001) is interference-fitted with the slot (901).

6. The inverter dustproof device according to claim 1, characterized in that: The end of the second translation rod (10) away from the second slider (9) is fixedly connected to a lever (1002), and the surface of the lever (1002) is engraved with anti-slip texture.

7. A dustproof device for a frequency converter according to claim 1, characterized in that: The contact points between the second slide groove (8) and the second slider (9) are both polished.

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