CN217035351U - Low-noise self-cooling dry-type transformer - Google Patents
Low-noise self-cooling dry-type transformer Download PDFInfo
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- CN217035351U CN217035351U CN202220298560.XU CN202220298560U CN217035351U CN 217035351 U CN217035351 U CN 217035351U CN 202220298560 U CN202220298560 U CN 202220298560U CN 217035351 U CN217035351 U CN 217035351U
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Abstract
The utility model belongs to the technical field of dry-type transformers, in particular to a low-noise self-cooling dry-type transformer, which aims at the problems of poor protection effect and poor heat dissipation effect of the dry-type transformer during operation, and now provides the following scheme, wherein the low-noise self-cooling dry-type transformer comprises a cabinet body and two cabinet doors which are rotationally connected with the cabinet body, and a transformer main body is fixed on the inner wall of the cabinet body; according to the dry-type transformer, the two driving motors are used for synchronous driving, the fan blades rotate synchronously, so that air in the cabinet body forms convection, the heat dissipation effect of the dry-type transformer during normal operation is further improved, meanwhile, the jacking frame drives the scraping rod to reciprocate up and down, so that sundries attached to the filter screen are scraped up and down, the isolation protection and the ventilation effect of the filter screen are greatly improved, cooling water in the water storage frame flows to the surface of the filter screen, the scraping effect of impurities on the filter screen is further improved, and the hot air subjected to convection at the filter screen can be cooled.
Description
Technical Field
The utility model relates to the technical field of dry-type transformers, in particular to a low-noise self-cooling dry-type transformer.
Background
The dry-type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, the cooling mode of the dry-type transformer is divided into natural air cooling and forced air cooling, and during natural air cooling, the transformer can continuously run for a long time under the rated capacity; when forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The overload protection circuit is suitable for intermittent overload operation or emergency accident overload operation, and the overload protection circuit is in a non-economic operation state due to large load loss and impedance voltage amplification during overload, so that the overload protection circuit is not required to be in long-time continuous overload operation.
Dry-type transformer can also have the protective housing of transformer at present because there is the foreign matter to get into and influence its performance, but the transformer radiating effect variation in the protective housing, and the radiating effect is not good like this, and the heat dissipation has the blind area, takes place danger easily.
Therefore, a low-noise self-cooling dry-type transformer is needed to solve the problems of poor protection effect and poor heat dissipation effect of the dry-type transformer during operation.
SUMMERY OF THE UTILITY MODEL
The low-noise self-cooling dry-type transformer provided by the utility model solves the problems of poor protection effect and poor heat dissipation effect when the dry-type transformer operates.
In order to achieve the purpose, the utility model adopts the following technical scheme: a low-noise self-cooling dry-type transformer comprises a cabinet body and two cabinet doors rotatably connected with the cabinet body, wherein a transformer main body is fixed on the inner wall of the cabinet body, and the cabinet body further comprises
The two filter screens are symmetrically fixed on the inner wall of the cabinet body, two symmetrically distributed isolation frames are fixed on two side walls of the cabinet body, the inner wall of each isolation frame is rotatably connected with a rotating shaft, fan blades are fixedly sleeved on the outer surface of each rotating shaft, and a driving motor connected with the rotating shaft is arranged on the outer surface of the cabinet body;
two jacking frames, the jacking frame with the lateral wall sliding connection of filter screen, the inner wall of jacking frame is fixed with a plurality of poles of scraping that are evenly distributed, keep apart the inside of frame be provided with scrape pole matched with strike off the subassembly.
Preferably, the scraping assembly comprises
The half gear is tightly sleeved on the outer surface of the rotating shaft, L-shaped rods penetrate through the top surface and the bottom surface of the isolation frame in a sliding mode, the inner ends of the two L-shaped rods are fixed to the outer wall of the jacking frame, a toothed ring is fixed between the two L-shaped rods, and the toothed ring is in meshed connection with the half gear;
a retaining frame, the retaining frame is fixed in the top surface of the cabinet body, two through-holes that are the symmetric distribution are seted up to the top surface of the cabinet body, the inside of through-hole is provided with sealed hemisphere, the top surface of jacking frame is fixed with the guide plate, the guide plate with be fixed with the connecting rod between the sealed hemisphere.
Preferably, the guide plate with the lateral wall of the cabinet body is the slope and distributes, the jacking frame is adjacent be the clearance setting between the filter screen.
Preferably, the top surface of the water storage frame is in an inverted quadrangular frustum pyramid shape, and water outlet holes are formed in the side walls of the two sides of the cabinet body.
Preferably, the vertical section of the scraping rod is arranged in a right triangle shape, and the outer surface of the scraping rod and the outer surface of the filter screen are distributed in an inclined manner.
Preferably, the outer surface of the driving motor is provided with a protective cover fixed on the outer surface of the cabinet body, and the length of the protective cover is greater than that of the driving motor.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the dry-type transformer, the dry-type transformer is isolated from the external environment relatively under the action of the cabinet body, so that the protection effect of the dry-type transformer during working and running is effectively improved, and the dry-type transformer is subjected to double protection and isolation on foreign matters through the double isolation action of the isolation frame and the filter screen, so that the protection effect of the dry-type transformer is further improved.
2. According to the dry type transformer, the two driving motors are used for synchronous driving, so that the fan blades rotate synchronously along with the rotation of the rotating shaft, air in the cabinet body forms convection, the heat dissipation effect of the dry type transformer in normal operation is further improved, meanwhile, the jacking frame drives the scraping rod to reciprocate up and down, so that sundries attached to the filter screen are scraped up and down in a reciprocating mode, the isolation protection and the ventilation effect of the filter screen are greatly improved, cooling water in the water storage frame flows to the surface of the filter screen, the scraping effect of impurities on the filter screen is further improved, and convective hot air at the filter screen can be cooled, so that the heat dissipation effect of the dry type transformer is further improved.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a low-noise self-cooling dry-type transformer according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a cabinet of a low-noise self-cooling dry-type transformer according to the present invention;
fig. 3 is a partial schematic view of a half gear of a low-noise self-cooling dry type transformer according to the present invention;
fig. 4 is a partial structural view of a scraper assembly of a low-noise self-cooling dry-type transformer according to the present invention.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a filter screen; 4. an isolation frame; 5. a rotating shaft; 6. a fan blade; 7. a drive motor; 8. jacking a frame; 9. a scraping rod; 10. a scraping assembly; 101. a half gear; 102. an L-shaped rod; 103. a toothed ring; 104. a water storage frame; 105. a through hole; 106. sealing the hemisphere; 107. a baffle; 108. a connecting rod; 11. a water outlet hole; 12. a protective cover; 13. A transformer body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a low-noise self-cooling dry-type transformer comprises a cabinet body 1 and two cabinet doors 2 rotatably connected with the cabinet body 1, wherein a transformer main body 13 is fixed on the inner wall of the cabinet body 1, the cabinet body 1 further comprises two filter screens 3, the two filter screens 3 are symmetrically fixed on the inner wall of the cabinet body 1, two symmetrically distributed isolation frames 4 are fixed on two side walls of the cabinet body 1, the inner wall of each isolation frame 4 is rotatably connected with a rotating shaft 5, fan blades 6 are fixedly sleeved on the outer surface of each rotating shaft 5, and a driving motor 7 connected with the rotating shaft 5 is arranged on the outer surface of the cabinet body 1; two jacking frames 8, jacking frame 8 and filter screen 3's lateral wall sliding connection, jacking frame 8's inner wall is fixed with a plurality of scraping rod 9 that are evenly distributed, keep apart the inside of frame 4 and be provided with and scrape the subassembly 10 that strikes off that rod 9 matched with, it is concrete, strike off the setting of subassembly 10, both can strike off the debris on filter screen 3 surface along with the rotation of pivot 5, can make filter screen 3 surface carry out moistening treatment again, thereby the improvement is to filter screen 3 strike off the effect and the air of the internal convection current of cabinet and is cooled down the processing.
The scraping assembly 10 comprises a half gear 101, the half gear 101 is tightly sleeved on the outer surface of the rotating shaft 5, the top surface and the bottom surface of the isolation frame 4 are provided with L-shaped rods 102 in a sliding penetrating manner, the inner ends of the two L-shaped rods 102 are fixed with the outer wall of the jacking frame 8, a toothed ring 103 is fixed between the two L-shaped rods 102, and the toothed ring 103 is in meshing connection with the half gear 101; a retaining frame 104, retaining frame 104 is fixed in the top surface of the cabinet body 1, and two through-holes 105 that are the symmetric distribution are seted up to the top surface of the cabinet body 1, and the inside of through-hole 105 is provided with sealed hemisphere 106, and the top surface of jacking frame 8 is fixed with guide plate 107, is fixed with connecting rod 108 between guide plate 107 and the sealed hemisphere 106.
The top surface of retaining frame 104 is the quadrangular frustum pyramid form of handstand, and apopore 11 has all been seted up to the both sides lateral wall of the cabinet body 1, and is concrete, and the rainwater can be saved to dry-type transformer when carrying out outdoor use to the improvement is to the utilization ratio of rainwater, the setting of apopore 11, makes filter screen 3 wash the cooling water of scraping and derives the processing.
The vertical cross-section of scraping pole 9 is right triangle setting, and the surface of scraping pole 9 is the slope distribution with the surface of filter screen 3, and is concrete, scrapes the setting of 9 shapes of pole, improves the effect of getting rid of filter screen 3 surperficial debris to improve the convection current effect of the internal air of cabinet, further improve the radiating effect to dry-type transformer when the operation.
The surface of driving motor 7 is provided with the protection casing 12 with cabinet 1 external surface fixation, and the length of protection casing 12 is greater than driving motor 7's length, and is specific, and the setting of protection casing 12 fully protects driving motor 7, prevents that driving motor 7 from taking place to damage when outdoor normal work.
The working principle is as follows: when the dry-type transformer works in normal operation, the dry-type transformer is relatively isolated from the external environment under the action of the cabinet body 1, so that the protection effect of the dry-type transformer is effectively improved when the dry-type transformer works and operates, the dry-type transformer is subjected to dual protection and isolation on foreign matters under the dual isolation action of the isolation frame 4 and the filter screen 3, so that the protection effect of the dry-type transformer is further improved, meanwhile, the dry-type transformer can be synchronously driven by the two driving motors 7, so that the fan blades 6 synchronously rotate along with the rotation of the rotating shaft 5, and air in the cabinet body 1 forms convection, so that the heat dissipation effect of the dry-type transformer is further improved when the dry-type transformer normally operates, and the two L-shaped rods 102 synchronously reciprocate up and down on the isolation frame 4 under the meshing transmission action of the half gear 101 and the toothed ring 103 when the rotating shaft 5 rotates, thereby make jacking frame 8 drive to scrape pole 9 and carry out up-and-down reciprocating motion, thereby carry out reciprocal strike off from top to bottom to the debris that attach on filter screen 3, thereby improve the isolation protection and the ventilation effect of filter screen 3 greatly, connecting rod 108 drives sealed hemisphere 106 and carries out up-and-down reciprocating motion simultaneously, can make the cooling water in the retaining frame 104 pass through-hole 105 and guide plate 107's effect, flow to filter screen 3's surface, thereby further improve the effect of scraping of impurity on the filter screen 3, and can make filter screen 3 department carry out the hot-air cooling treatment of convection current, thereby further improve the radiating effect to dry-type transformer.
The driving motor 7 is commercially available, and the driving motor 7 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description in the specification is omitted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A low-noise self-cooling dry-type transformer comprises a cabinet body (1) and two cabinet doors (2) rotatably connected with the cabinet body (1), wherein a transformer main body (13) is fixed on the inner wall of the cabinet body (1), and the low-noise self-cooling dry-type transformer is characterized in that the cabinet body (1) further comprises
The water tank comprises two filter screens (3), wherein the two filter screens (3) are symmetrically fixed on the inner wall of the tank body (1), two isolation frames (4) which are symmetrically distributed are fixed on two side walls of the tank body (1), the inner wall of each isolation frame (4) is rotatably connected with a rotating shaft (5), fan blades (6) are tightly sleeved on the outer surface of each rotating shaft (5), and a driving motor (7) connected with the rotating shaft (5) is arranged on the outer surface of the tank body (1);
two jacking frames (8), jacking frame (8) with the lateral wall sliding connection of filter screen (3), the inner wall of jacking frame (8) is fixed with a plurality of scraping rod (9) that are evenly distributed, the inside of isolation frame (4) be provided with scrape pole (9) matched with strike off subassembly (10).
2. A low noise, self-cooling dry transformer according to claim 1, wherein said scraping assembly (10) comprises
The half gear (101) is tightly sleeved on the outer surface of the rotating shaft (5), L-shaped rods (102) penetrate through the top surface and the bottom surface of the isolation frame (4) in a sliding mode, the inner ends of the two L-shaped rods (102) are fixed to the outer wall of the jacking frame (8), a toothed ring (103) is fixed between the two L-shaped rods (102), and the toothed ring (103) is in meshed connection with the half gear (101);
a retaining frame (104), retaining frame (104) are fixed in the top surface of the cabinet body (1), two through-holes (105) that are the symmetric distribution are seted up to the top surface of the cabinet body (1), the inside of through-hole (105) is provided with sealed hemisphere (106), the top surface of jacking frame (8) is fixed with guide plate (107), guide plate (107) with be fixed with connecting rod (108) between sealed hemisphere (106).
3. The low noise self-cooling dry type transformer according to claim 2, wherein said deflector (107) is disposed obliquely to the side wall of said cabinet (1), and said lifting frame (8) is disposed with a gap from the adjacent filtering screen (3).
4. The low noise self-cooling dry transformer according to claim 2, wherein the top surface of the water storage frame (104) is in an inverted quadrangular frustum pyramid shape, and the lateral walls of the cabinet body (1) are both provided with water outlet holes (11).
5. A low noise and self cooling dry transformer according to claim 1, wherein said wiping rod (9) is arranged in right triangle in vertical section, and the outer surface of said wiping rod (9) is inclined with respect to the outer surface of said filtering screen (3).
6. A low noise and self cooling dry transformer according to claim 1, wherein said driving motor (7) is provided with a protective cover (12) on its outer surface fixed to the outer surface of said cabinet (1), said protective cover (12) having a length greater than the length of said driving motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298560.XU CN217035351U (en) | 2022-02-15 | 2022-02-15 | Low-noise self-cooling dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298560.XU CN217035351U (en) | 2022-02-15 | 2022-02-15 | Low-noise self-cooling dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217035351U true CN217035351U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220298560.XU Active CN217035351U (en) | 2022-02-15 | 2022-02-15 | Low-noise self-cooling dry-type transformer |
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| Country | Link |
|---|---|
| CN (1) | CN217035351U (en) |
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2022
- 2022-02-15 CN CN202220298560.XU patent/CN217035351U/en active Active
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