High-voltage-resistant industrial power supply filter
By designing upper and lower ventilation openings and a fan exhaust structure in the industrial power filter, combined with lifting components, the problems of low heat dissipation efficiency and poor space adaptability are solved, achieving more efficient heat dissipation and stable equipment operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAN CHUANGLIAN MICA CAPACITOR CO LTD
- Filing Date
- 2025-05-13
- Publication Date
- 2026-04-21
AI Technical Summary
Existing industrial power filters suffer from low heat dissipation efficiency, especially hot air trapped at the bottom, and cannot adapt to different spatial scenarios to avoid interference with other components.
The design incorporates an upper and lower ventilation structure, combining the principles of fan extraction and natural hot air rise to form a vertical through-flow air duct. The height of the filter is adjusted by a lifting component to adapt to different spatial requirements.
It improves heat dissipation efficiency, avoids hot air stagnation, enhances the adaptability of equipment, and extends the service life of electronic components.
Smart Images

Figure CN224154533U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter technology, and in particular to a high-voltage industrial power supply filter. Background Technology
[0002] A power filter is an electrical device that effectively filters out frequencies at a specific frequency point or other frequencies in a power line. Industrial power filters are key components for ensuring the stable operation of industrial equipment and improving power quality. Because the electronic components inside the filter generate heat during operation, if the heat cannot be dissipated in time, the component temperature will become too high, which will affect the performance or even cause damage. Therefore, heat dissipation is a key link to ensure its stable operation, extend its service life and maintain its performance.
[0003] A search revealed that patent authorization announcement number CN220823633U discloses a high-voltage resistant industrial power filter. This utility model adopts the following technical solution: it includes a filter body, with a heat dissipation mechanism and a support structure respectively provided at the upper and lower ends of the filter body. A heat-conducting plate is fixedly connected to the lower, left, and right ends of the filter body. Heat sinks are provided at the front end of the heat-conducting plate and the rear end of the heat-conducting plate. A terminal block is provided on the right end of the filter body. Several heat dissipation columns are fixedly connected to the lower end of the lower heat-conducting plate. Two No. 2 fixing holes are opened at the lower right and lower left ends of the filter body. A dustproof mechanism is provided at the front end of the heat dissipation mechanism. A heat dissipation vent is opened in the middle of the upper end of the filter body.
[0004] The following drawbacks exist in the published patents:
[0005] 1. The heat dissipation vent is located at the top of the filter body. The fan forces air into the filter from the top. However, without a bottom air outlet, hot air tends to accumulate at the bottom, forming a "heat retention zone". The airflow path is restricted, resulting in insufficient heat exchange in some areas (especially the bottom) and reduced heat dissipation efficiency.
[0006] 2. The main base is placed directly on the contact surface, which is not conducive to heat dissipation at the bottom of the filter body. Furthermore, the height of the base relative to the contact surface cannot be adjusted, limiting its use in compact cabinets or embedded devices. This makes it difficult to fully utilize the three-dimensional space, and the support height needs to be adjusted to avoid interference with other components.
[0007] Therefore, it is necessary to further improve industrial power filters. Utility Model Content
[0008] The technical problem to be solved by this utility model is to overcome the existing defects and provide a high-voltage industrial power filter. By opening upper and lower ventilation openings and lifting components, the heat dissipation effect is improved, it can adapt to different spatial scenarios and avoid interference with other components, thus effectively solving the problems in the background art.
[0009] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage industrial power filter, comprising a filter body, heat sinks provided on both the front and rear of the filter body, ventilation openings communicating with the interior provided on both the top and bottom surfaces of the filter body, the ventilation openings being covered by a dustproof component, the dustproof component being detachably connected to the filter body, a heat dissipation component provided below the top ventilation opening, the heat dissipation component being detachably connected to the filter body, and a lifting component being detachably connected to the bottom surface of the filter body.
[0010] Preferably, the lifting assembly includes an upper mounting component, a lower mounting component, a first slide rod, a second slide rod, a first connecting rod, a second connecting rod, a first sliding seat, a second sliding seat, a threaded rod, a rocker arm, and a sliding member. The first slide rod is disposed within the upper mounting component, and the second slide rod is disposed within the lower mounting component. The first sliding seat is slidably connected to the outer peripheral wall of the first slide rod, and the second sliding seat is slidably connected to the outer peripheral wall of the second slide rod. The upper end of the first connecting rod is rotatably connected to the upper mounting component, and the lower end of the first connecting rod is rotatably connected to the second sliding seat. The upper end of the second connecting rod is rotatably connected to the first sliding seat, and the lower end of the second connecting rod is rotatably connected to the lower mounting component. The first connecting rod and the second connecting rod are rotatably connected. The sliding member is threadedly connected to the threaded rod via a rotating nut. One end of the threaded rod is rotatably connected to the center position of the lower mounting component, and the other end is fixedly connected to the rocker arm through a through hole reserved at the end of the lower mounting component. The rocker arm is disposed outside the lower mounting component.
[0011] Preferably, the slide rod one, slide rod two, connecting rod one, connecting rod two, sliding seat one, and sliding seat two are all configured as two sets, and are respectively located on the left and right sides of the upper mounting part and the lower mounting part. The sliding seats two are connected to each other by sliding members, and the upper mounting part is detachably connected to the filter body by bolts.
[0012] Preferably, there are two sets of dustproof components, which are respectively located at the top vent and the bottom vent.
[0013] Preferably, the dustproof component includes a frame and a dustproof net, the dustproof net is disposed in the frame, and a groove communicating with the ventilation opening is provided on the side wall at the bottom of the filter body, and the bottom frame is slidably connected to the filter body through the groove.
[0014] Preferably, the heat dissipation assembly includes a fixing column, a fixing member, and a fan. The fixing column is disposed on the inner wall of the top vent, the fixing member and the fixing column are detachably connected, and the fan is disposed on top of the fixing member.
[0015] Preferably, a handle is provided on the side wall of the bottom frame, and the frame covering the top vent is bolted to the top surface of the filter body.
[0016] The working principle and application principle of this utility model are as follows:
[0017] 1. By installing heat sinks on the outer wall of the filter body, the filter can be initially cooled. The upper and lower ventilation openings are set to enhance air convection. At the same time, a fan is installed at the upper ventilation opening. Taking advantage of the low density and natural rise of hot air, the fan draws air from the top to create negative pressure. The bottom ventilation opening serves as the inlet of the negative pressure zone, drawing in ambient cold air. After entering from the bottom, the cold air flows upward along the gap between the filter body and the internal components, forming a vertical through-flow air duct. This design conforms to the second law of thermodynamics. Hot air is forced out and cold air is continuously replenished, effectively preventing hot air from stagnating and enabling the filter to be cooled again.
[0018] 2. The removable heat dissipation components allow for direct installation of the fan through the ventilation openings. The dustproof components are also removable, allowing the bottom dustproof component to be disassembled directly on the side wall of the filter body via handles or sliding grooves, while the top dustproof component is removed via bolts. This facilitates installation or cleaning, as well as adjustment of the position of internal components and heat dissipation components, while effectively preventing external debris from entering the filter body.
[0019] 3. The lifting assembly, when space permits, can support the filter body. In this case, the upper and lower mounting parts are closed, and sliding seats one and two slide to the ends of the upper and lower mounting parts near the rocker arm. The sliding parts are almost touching the inner surface of the lower mounting part away from the rocker arm. If space is limited, rotating the rocker arm causes the rotating nut on the sliding part to rotate and slide on the threaded rod. The sliding part drives sliding seat two to slide on sliding rod two. The sliding of sliding seat two drives connecting rod one to rotate, which in turn raises the upper mounting part. Simultaneously, the rising upper mounting part causes sliding seat one to slide on sliding rod one. The cross-rotation of connecting rod one and connecting rod two ensures good stability of the overall structure of the lifting assembly. In tight spaces, this raises the entire filter body, ensuring bottom ventilation while avoiding interference with other components.
[0020] Compared with the prior art, the beneficial effects of this utility model are:
[0021] 1. The design of the top and bottom ventilation openings enhances air convection. A fan is installed at the top ventilation opening, taking advantage of the low density and natural upward movement of hot air. The fan draws air from the top to create negative pressure, while the bottom ventilation opening serves as the inlet for the negative pressure zone, drawing in cool ambient air. After entering from the bottom, the cool air flows upward along the gap between the filter body and the internal components, forming a vertical through-flow air duct. This design conforms to the second law of thermodynamics, where hot air is forced out and cool air is continuously replenished, effectively preventing hot air from stagnating and improving heat dissipation and efficiency.
[0022] 2. The adjustable lifting component, in addition to providing necessary support, reduces interference from external parts in compact spaces such as embedded cabinets by adjusting the height of the filter body from the placement surface. It also provides heat dissipation at the bottom. The detachable heat dissipation and dustproof components not only facilitate the installation and disassembly of the filter itself, but also make it easy to clean the electronic components inside the filter body, thus improving the service life of the electronic components. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;
[0024] Figure 2 for Figure 1 Enlarged view of section A;
[0025] Figure 3 This is a schematic diagram of the structure of this utility model without the top dustproof component;
[0026] Figure 4 for Figure 3 Enlarged view of section B;
[0027] Figure 5 This is a schematic diagram of the overall structure of the present invention. Figure 2 .
[0028] Explanation of reference numerals in the attached drawings: 1. Filter body; 2. Ventilation opening; 3. Heat sink; 4. Dustproof assembly; 401. Frame; 402. Dustproof mesh; 5. Heat dissipation assembly; 501. Fixing post; 502. Fixing component; 503. Fan; 6. Lifting assembly; 601. Upper mounting component; 602. Lower mounting component; 603. Slide rod one; 604. Slide rod two; 605. Slide seat one; 606. Slide seat two; 607. Connecting rod one; 608. Connecting rod two; 609. Sliding component; 610. Threaded rod; 611. Rocker arm; 7. Slide groove; 8. Handle. Detailed Implementation
[0029] To make the technical means, creative features, objectives and effects of the embodiments of this application easier to understand, the embodiments of this application are further described below in conjunction with the figures and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of this application and are not intended to limit the embodiments of this application.
[0030] A high-voltage industrial power filter, such as Figures 1-5As shown, the filter body 1 includes heat sinks 3 on both the front and rear sides. Ventilation openings 2 connecting to the interior are provided on both the upper and lower surfaces of the filter body 1. Each ventilation opening 2 is covered with a dustproof component 4. The dustproof component 4 includes a frame 401 and a dustproof mesh 402, with the dustproof mesh 402 located inside the frame 401. The dustproof component 4 at the top of the filter body 1 is positioned above the ventilation openings 2 and is detachably connected to the upper surface of the filter body 1 by bolts. A sliding groove 7 is provided on the side wall of the filter body 1, directly connecting to the ventilation openings 2. The dustproof component 4 at the bottom of the filter body 1 is slidably connected to the filter body 1 via the sliding groove 7. A handle 8 for easy pushing and pulling is provided on the side wall of the bottom frame 401 outside the filter body 1, facilitating the installation and removal of the bottom dustproof component 4.
[0031] like Figures 1-5 As shown, a heat dissipation assembly 5 is provided below the top ventilation opening 2 of the filter body 1. The heat dissipation assembly 5 includes a fixing post 501, a fixing member 502, and a fan 503. The fixing post 501 is located on the two opposite side walls of the top ventilation opening 2, and the cross-sectional shape of the fixing post 501 is T-shaped. The side wall of the fixing member 502 has an opening with a width equal to the diameter of the narrow part of the fixing post 501, and the top of the fixing member 502 has an opening with a width greater than the diameter of the wide part of the fixing post 501. The two openings are connected. When installing the fixing member 502, the opening on the fixing member 502 first passes through the wide part of the fixing post 501, and then through the fixing post 503. The narrow section of column 501 has a side opening that fits perfectly into the narrow section of the fixing column 501 to ensure the stability of the fixing component 502. The fan 503 is set on top of the fixing component 502. Taking advantage of the low density and natural rising characteristics of hot air, the fan 503 draws air from the top to create negative pressure. The bottom vent 2 serves as the inlet for the negative pressure zone, drawing in ambient cold air. After entering from the bottom, the cold air flows upward along the gap between the filter body 1 and the internal components, forming a vertical through-flow air duct. This design conforms to the second law of thermodynamics. Hot air is forced out, and cold air is continuously replenished, effectively preventing hot air from stagnating and improving heat dissipation effect and efficiency.
[0032] like Figures 1-5As shown, a lifting assembly 6 is provided on the bottom surface of the filter body 1. The lifting assembly 6 includes an upper mounting part 601, a lower mounting part 602, a first sliding rod 603, a second sliding rod 604, a first sliding seat 605, a second sliding seat 606, a first connecting rod 607, a second connecting rod 608, a sliding element 609, a threaded rod 610, and a rocker arm 611. The two ends of the first sliding rod 603 are fixedly installed on the inner surfaces of the two ends of the upper mounting part 601, and the two ends of the second sliding rod 604 are installed on the inner surfaces of the two ends of the lower mounting part 602. The first sliding seat 605 is slidably connected to the outer peripheral wall of the first sliding rod 603, and the second sliding seat 606 is slidably connected to the outer peripheral wall of the second sliding rod 604. The upper end of the first connecting rod 607 is rotatably connected to the upper mounting part 601, and the lower end of the first connecting rod 607 is rotatably connected to the upper mounting part 601. The end of the connecting rod 608 is rotatably connected to the sliding seat 606. The upper end of the connecting rod 608 is rotatably connected to the sliding seat 605, and the lower end of the connecting rod 608 is rotatably connected to the lower mounting part 602. The connecting rod 607 and the connecting rod 608 are arranged crosswise and are rotatably connected at the center point through a rotating shaft. There are two sets of connecting rods 607, 608, sliding rod 603, sliding rod 604, sliding seat 605, and sliding seat 606. Sliding rod 603 and sliding rod 604 are arranged opposite each other, and sliding seat 605 and sliding seat 606 are arranged opposite each other. The connecting rods 607 and 608 are of the same length and are arranged crosswise through the same rotating shaft. There are two sets of connecting rods 607, 608, sliding rod 603, and sliding rod 606. 604, Sliding seat 1 605 and sliding seat 2 606 are arranged opposite each other on the left and right sides of the upper mounting part 601 and the lower mounting part 602. One end of the threaded rod 610 is rotatably connected to the center position of the lower mounting part 602 through a bearing, and the other end is fixedly connected to the rocker arm 611 located outside the lower mounting part 602 through a through hole reserved at the end of the lower mounting part 602. Both ends of the sliding member 609 are fixed to the two oppositely arranged sliding seats 2 606. The sliding member 609 has a through hole, and a rotating nut is installed in the through hole. The threaded rod 610 passes through the rotating nut, and the sliding member 609 is threadedly connected to the threaded rod 610 through the rotating nut. When the upper mounting part 601 and the lower mounting part 602 are closed, the sliding member 609 is located close to the rocker arm 611. At one end, the end face of the second sliding seat 606 is close to the inner end face of the lower mounting part 602, and the end face of the first sliding seat 605 is close to the inner end face of the upper mounting part 601. Rotate the rocker arm 611 so that the sliding part 609 slides on the threaded rod 610 towards the center position of the lower mounting part 602. The sliding part 609 drives the second sliding seat 606 to slide, and at the same time the first sliding seat 605 slides. The upper mounting part 601 moves away from the lower mounting part 602 and rises. The first connecting rod 607 and the second connecting rod 608 both rotate around the center point. The setting of this lifting component 6 can manually adjust the height of the filter body 1, ventilate its bottom, and adapt to the needs of different scene spaces, especially compact spaces, and reduce the interference of external parts on the filter body 1.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A high-voltage-resistant industrial power supply filter comprising a filter body (1), characterized in that: Heat sinks (3) are provided on the front and back of the filter body (1). Ventilation openings (2) communicating with the interior are provided on the top and bottom surfaces of the filter body (1). Dustproof components (4) are covered at the ventilation openings (2). The dustproof components (4) are detachably connected to the filter body (1). A heat dissipation component (5) is provided below the top ventilation opening (2). The heat dissipation component (5) is detachably connected to the filter body (1). A lifting component (6) is detachably connected to the bottom surface of the filter body (1).
2. A high voltage resistant industrial power supply filter according to claim 1, characterized in that: The lifting assembly (6) includes an upper mounting component (601), a lower mounting component (602), a slide rod one (603), a slide rod two (604), a connecting rod one (607), a connecting rod two (608), a sliding seat one (605), a sliding seat two (606), a threaded rod (610), a rocker arm (611), and a sliding member (609). The slide rod one (603) is disposed in the upper mounting component (601), the slide rod two (604) is disposed in the lower mounting component (602), the sliding seat one (605) is slidably connected to the outer peripheral wall of the slide rod one (603), the sliding seat two (606) is slidably connected to the outer peripheral wall of the slide rod two (604), and the upper end of the connecting rod one (607) is connected to the upper mounting component (609). 601) Rotary connection, the lower end of the first connecting rod (607) is rotatably connected to the second sliding seat (606), the upper end of the second connecting rod (608) is rotatably connected to the first sliding seat (605), the lower end of the second connecting rod (608) is rotatably connected to the lower mounting part (602), the first connecting rod (607) and the second connecting rod (608) are rotatably connected, the sliding part (609) is threadedly connected to the threaded rod (610) through a rotating nut, one end of the threaded rod (610) is rotatably connected to the center position of the lower mounting part (602), and the other end is fixedly connected to the rocker arm (611) through a through hole reserved at the end of the lower mounting part (602), and the rocker arm (611) is set outside the lower mounting part (602).
3. A high voltage resistant industrial power supply filter according to claim 2, characterized in that: The slide rod 1 (603), slide rod 2 (604), connecting rod 1 (607), connecting rod 2 (608), sliding seat 1 (605), and sliding seat 2 (606) are all configured in two sets and are located on the left and right sides of the upper mounting part (601) and the lower mounting part (602), respectively. The sliding seats 2 (606) are connected to each other by a sliding member (609). The upper mounting part (601) is detachably connected to the filter body (1) by bolts.
4. A high voltage resistant industrial power supply filter according to claim 1, characterized in that: The dustproof component (4) has two sets, which are respectively located at the top vent (2) and the bottom vent (2).
5. A high voltage resistant industrial power supply filter according to claim 1 or 4, characterized in that: The dustproof component (4) includes a frame (401) and a dustproof net (402). The dustproof net (402) is disposed inside the frame (401). A groove (7) communicating with the ventilation opening (2) is provided on the side wall at the bottom of the filter body (1). The bottom frame (401) is slidably connected to the filter body (1) through the groove (7).
6. A high voltage resistant industrial power supply filter according to claim 1, characterized in that: The heat dissipation assembly (5) includes a fixing column (501), a fixing member (502) and a fan (503). The fixing column (501) is set on the inner wall of the top ventilation opening (2). The fixing member (502) and the fixing column (501) are detachably connected. The fan (503) is set on top of the fixing member (502).
7. A high voltage resistant industrial power supply filter according to claim 5, characterized in that: A handle (8) is provided on the side wall of the bottom frame (401), and the frame (401) covering the top vent (2) is bolted to the top surface of the filter body (1).
Citation Information
Patent Citations
High heat dissipation type filter
CN220823633U