Heavy overload transformer
By designing a cleaning module and lifting module in the overload transformer, the cooperation of scraping boards and water absorptions is used to achieve automated dust cleaning, solving the problem of not timely heat dissipation caused by dust, and improved the service life and operation safety of the equipment. Essence
Patent Information
- Application Number
- CN202323320362.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-06
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-06
AI Technical Summary
When the heavy overload transformer is used outdoors for a long time, the dust in the grid heat dissipation port hinders the heat exchange between heat and air, resulting in untimely heat dissipation, and the temperature in the transformer increases, affecting the insulation and service life.
A heavy overload transformer contains a cleaning module and a lifting module. It moves up and down in the heat dissipation port through the scraper, clean up the dust, combined with the coordination of water absorption and spring to achieve automated dust cleaning.
The heat dissipation performance caused by the accumulation of dust is effectively avoided, the service life of heavy overload transformers is improved, and the equipment is safe and reliable through the automation cleaning mechanism.
Smart Images
Figure CN222421550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distribution transformers, in particular to a heavy overload transformer. Background Art
[0002] A heavily overloaded transformer refers to a transformer that can continue to operate with a heavy overload even when the current exceeds that specified on its nameplate. Heavy overload operation causes the temperature inside the heavily overloaded transformer to be high. At this time, the heavily overloaded transformer needs to dissipate heat through the grid on its outer casing. However, heavily overloaded transformers are often installed outdoors and are exposed to wind and rain for a long time. A large amount of dust will adhere to the heat dissipation port of the grid. The dust prevents the heat on the surface of the grid from exchanging heat with the air, resulting in untimely heat dissipation of the heavily overloaded transformer. The temperature inside the transformer continues to rise, affecting the insulation inside the heavily overloaded transformer and reducing the service life of the heavily overloaded transformer. Utility Model Content
[0003] The technical problem to be solved by the utility model is to study a heavy overload transformer, the dust in the grid of which can be cleaned regularly.
[0004] The technical solution of the utility model to solve the above technical problems is as follows:
[0005] A heavy overload transformer comprises a heavy overload transformer body, a cleaning module, a bracket, a lifting module and a bottom plate, wherein grids are arranged on the four vertical sides of the heavy overload transformer body, and the heat dissipation openings of each grid are horizontally facing outwards; a cleaning module is arranged outside each grid, and the cleaning module comprises a lifting plate, and a plurality of scrapers are horizontally arranged on the lifting plate close to the grid side, and the plurality of scrapers are sequentially and horizontally extended into the plurality of heat dissipation openings of the grid, and the side edges of the scrapers are in contact with the inner walls of the heat dissipation openings; the bottom parts of two adjacent grids are fixedly connected to the bottom plate, the lifting module is arranged on the bottom plate, and the two adjacent lifting plates are movably connected to the lifting module through the bracket.
[0006] The beneficial effect of the utility model is that the scraper moves up and down in the heat dissipation port under the push of the lifting module, so as to clean the dust in the heat dissipation port, avoid the degradation of the heat dissipation performance of the grid due to the accumulation of dust, and improve the service life of the heavily overloaded transformer.
[0007] On the basis of the above technical solution, the present invention can also be improved as follows.
[0008] Furthermore, the lifting module includes a column and a spring. The column is vertically fixedly connected to the base plate. The top of the column passes through the bracket. The spring is sleeved outside the column, and the two ends of the spring are respectively fixedly connected to the bottom of the bracket and the surface of the base plate; the cleaning module also includes a water-absorbing strip arranged on the lifting plate.
[0009] Furthermore, the bottom of the heat dissipation port is a downwardly inclined slope.
[0010] Furthermore, the scraper is a rubber plate with a non-metallic keel embedded therein.
[0011] Furthermore, the water-absorbing strip is made of sponge material.
[0012] Furthermore, the spring is made of manganese steel. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural schematic diagram of a heavy overload transformer of the utility model;
[0014] Figure 2 This is a front view of a heavy overload transformer of the utility model;
[0015] Figure 3 It is a partial structural schematic diagram of a heavy overload transformer of the utility model;
[0016] Figure 4 The utility model is a schematic diagram of the heat dissipation port structure of a heavy overload transformer.
[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0018] 1. Heavy overload transformer body, 11. Grid, 111. Heat dissipation port, 2. Cleaning module, 21. Lifting plate, 211. Scraper, 22. Water absorption strip, 3. Bracket, 4. Lifting module, 41. Column, 42. Spring, 5. Bottom plate. DETAILED DESCRIPTION
[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0020] like Figures 1 to 4 As shown, embodiment 1 of the utility model is a heavy overload transformer, comprising a heavy overload transformer body 1, a cleaning module 2, a bracket 3, a lifting module 4 and a bottom plate 5, grids 11 are arranged on the four vertical sides of the heavy overload transformer body 1, and the heat dissipation openings 111 of each grid 11 are horizontally facing outward; a cleaning module 2 is arranged outside each grid 11, and the cleaning module 2 comprises a lifting plate 21, and a plurality of scrapers 211 are horizontally arranged on the lifting plate 21 close to the side of the grid 11, and the plurality of scrapers 211 are sequentially and horizontally extended into the plurality of heat dissipation openings 111 of the grid 11, and the side edges of the scrapers 211 are in contact with the inner walls of the heat dissipation openings 111; the bottom parts of two adjacent grids 11 are fixedly connected to the bottom plate 5, the lifting module 4 is arranged on the bottom plate 5, and the two adjacent lifting plates 21 are movably connected to the lifting module 4 through the bracket 3.
[0021] The scraper 211 moves up and down in the heat dissipation opening 111 under the push of the lifting module 4 to clean the dust in the heat dissipation opening 111, thereby preventing the heat dissipation performance of the grid 11 from decreasing due to dust accumulation and improving the service life of the heavily overloaded transformer.
[0022] Embodiment 2 of the utility model is a heavy overload transformer. On the basis of embodiment 1, the lifting module 4 includes a column 41 and a spring 42. The column 41 is vertically fixedly connected to the base plate 5. The top of the column 41 passes through the bracket 3. The spring 42 is sleeved outside the column 41, and the two ends of the spring 42 are respectively fixedly connected to the bottom of the bracket 3 and the board surface of the base plate 5; the cleaning module 2 also includes a water-absorbing strip 22 arranged on the lifting plate 21. When it rains, the weight of the water absorption strip 22 increases, compressing the spring 42, causing the bracket 3 to move downward on the column 41, thereby driving the scraper 211 to move downward in the heat dissipation port 111; when exposed to sunlight, rainwater in the water absorption strip 22 evaporates, the weight of the water absorption strip 22 decreases, and the spring 42 recovers its deformation, driving the bracket 3 to move upward on the column 41, thereby driving the scraper 211 to move upward in the heat dissipation port 111; by providing the spring 42 and the column 41, in conjunction with the change in the weight of the water absorption strip 22, the dust in the heat dissipation port 111 in the grid 11 can be repeatedly cleaned without the need for an external power supply, which is safe and reliable.
[0023] Embodiment 3 of the present invention is a heavy overload transformer. Based on embodiment 1 or 2, the bottom of the heat dissipation opening 111 is a downwardly inclined surface. The scraped dust can slide down along the inclined surface at the bottom of the heat dissipation opening 111, thereby preventing dust from accumulating at the bottom of the heat dissipation opening 111 and improving the cleaning effect.
[0024] Embodiment 4 of the utility model is a heavy overload transformer. Based on any one of embodiments 1 to 3, the scraper 211 is a rubber plate with a non-metallic keel embedded in it. The rubber has good adhesion and can withstand the temperature of the heavy overload transformer when it is heavily overloaded. The non-metallic keel can prevent the scraper 211 from bending. In specific implementation, the scraper 211 is made of fluororubber, which has the characteristics of high temperature resistance, oxidation resistance and friction resistance.
[0025] Embodiment 5 of the utility model is a heavy overload transformer. Based on any one of embodiments 2 to 4, the water absorption strip 22 is made of sponge. The sponge has good water absorption and a large weight change before and after absorbing water, which is more suitable for use in the present device. In specific implementation, the water absorption strip 22 is a PVA water absorption sponge strip, which has excellent hydrophilicity, excellent water absorption and water retention.
[0026] Embodiment 6 of the present utility model is a heavy overload transformer. Based on Embodiment 2, the spring 42 is made of manganese steel. Manganese steel springs have high wear resistance and excellent mechanical properties.
[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A heavily overloaded transformer, characterized in that: The invention comprises a heavy overload transformer body (1), a cleaning module (2), a bracket (3), a lifting module (4) and a bottom plate (5); grids (11) are arranged on four vertical sides of the heavy overload transformer body (1), and the heat dissipation opening (111) of each grid (11) is horizontally facing outward; the cleaning module (2) is arranged outside each grid (11), and the cleaning module (2) comprises a lifting plate (21), and the lifting plate (21) is horizontally arranged on one side close to the grid (11). A plurality of scrapers (211) are arranged, and the plurality of scrapers (211) are horizontally and correspondingly extended into the plurality of heat dissipation openings (111) of the grid (11) in sequence, and the side edges of the scrapers (211) are in contact with the inner walls of the heat dissipation openings (111); the bottoms of two adjacent grids (11) are fixedly connected to the bottom plate (5), the bottom plate (5) is provided with the lifting module (4), and the two adjacent lifting plates (21) are movably connected to the lifting module (4) via the bracket (3).
2. A heavily overloaded transformer according to claim 1, characterized in that: The lifting module (4) comprises a column (41) and a spring (42); the column (41) is vertically fixedly connected to the bottom plate (5); the top end of the column (41) passes through the bracket (3); the spring (42) is sleeved outside the column (41), and the two ends of the spring (42) are respectively fixedly connected to the bottom of the bracket (3) and the surface of the bottom plate (5); the cleaning module (2) also comprises a water absorbing strip (22) arranged on the lifting plate (21).
3. A heavy overload transformer according to claim 1, characterized in that: The bottom of the heat dissipation opening (111) is a downwardly inclined surface.
4. A heavily overloaded transformer according to claim 1, characterized in that: The scraper (211) is a rubber plate with a non-metallic keel embedded therein.
5. A heavy overload transformer according to claim 2, characterized in that: The water absorbing strip (22) is made of sponge material.
6. A heavily overloaded transformer according to claim 2, characterized in that: The spring (42) is made of manganese steel.