Heat dissipation top cover for hydraulic generator

Abstract

The utility model provides a heat dissipation top cover for a hydro-generator, and relates to the technical field of hydro-generator heat dissipation, the heat dissipation top cover comprises an outer ring body, an inner cover body, a first heat dissipation assembly and a second heat dissipation assembly, the outer wall of the inner cover body is rotatably connected with the inner wall of the outer ring body, heat dissipation notches are symmetrically arranged on the outer ring body, an air inlet notch and an air outlet notch are arranged on the inner cover body, and the first heat dissipation assembly and the second heat dissipation assembly are arranged in the air inlet notch. The first heat dissipation assembly comprises a blowing fan, a first filter part, an exhaust fan and a second filter part, a second heat dissipation assembly is arranged in the cavity, a driving gear is arranged on the supporting plate through a driving shaft, a gear ring is arranged on the outer wall of the upper end of the inner cover body, and the gear ring is meshed with the driving gear; the heat dissipation top cover is composed of the outer ring body and the inner cover body, and the inner cover body and the outer ring body are installed in a rotating mode. Therefore, the first heat dissipation assembly and the second heat dissipation assembly which are installed on the inner cover body can rotate along with the inner cover body under the driving of mutual cooperation of the driving shaft, the driving gear and the gear ring so as to change the heat dissipation position.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of water turbine generators, in particular to a heat dissipation top cover for water turbine generators. Background Art

[0002] A hydro-turbine generator is a generator that uses a turbine as the prime mover to convert water energy into electrical energy. When water flows through the turbine, the water energy is converted into mechanical energy. The turbine's rotating shaft drives the generator's rotor, converting mechanical energy into electrical energy for output. It is the main power equipment for hydropower stations to produce electricity.

[0003] The existing heat dissipation top cover for hydro-turbine generators has a complex structure and poor heat dissipation. When the hydro-turbine generator is working, the temperature of the inner wall of the top cover cannot be quickly discharged, which easily leads to high-temperature failure of the hydro-turbine generator, high maintenance cost, and the problem of not being able to achieve the best heat dissipation effect. In addition, the heat dissipation fan in the heat dissipation top cover of the general hydro-turbine generator is fixed, and it is impossible to achieve uniform heat dissipation in multiple positions and fixed-point heat dissipation. Therefore, the utility model proposes a heat dissipation top cover for hydro-turbine generators to solve the shortcomings of the prior art. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a heat dissipation top cover for a hydro-turbine generator, by configuring the heat dissipation top cover to be composed of an outer ring body and an inner cover body, wherein the inner cover body is rotatably installed inside the outer ring body, so that the first heat dissipation component and the second heat dissipation component installed on the inner cover body can follow the rotation of the inner cover body to change the heat dissipation position under the mutual cooperation and drive of the drive shaft, the drive gear and the gear ring.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heat dissipation top cover for a hydro-turbine generator comprises an outer ring body, an inner cover body, a first heat dissipation component and a second heat dissipation component, the inner cover body is provided inside the outer ring body, the outer wall of the inner cover body is rotatably connected to the inner wall of the outer ring body, the outer ring body is symmetrically provided with heat dissipation slots, the inner cover body is provided with an air inlet slot and an air outlet slot, the air inlet slot and the air outlet slot are symmetrically arranged, the first heat dissipation component comprises a blower fan, a first filter element, an exhaust fan and a second filter element, a blower fan is installed inside the inner cover body at the air inlet slot, and the first filter element is detachably installed inside the air inlet slot, an exhaust fan is installed inside the inner cover body at the air outlet slot, and the second filter element is detachably installed inside the air outlet slot, a cavity is symmetrically provided inside the side wall of the inner cover body with respect to the air inlet slot and the air outlet slot, and the second heat dissipation component is arranged in the cavity;

[0007] A support plate is provided on one side of the top of the outer ring body, a driving gear is provided on the support plate through a driving shaft, the upper end of the inner cover body extends out of the top of the outer ring body, a gear ring is provided on the outer wall of the upper end of the inner cover body, and the gear ring is meshed with the driving gear.

[0008] A further improvement is that: the blower fans are provided in a plurality of groups in a longitudinal linear arrangement inside the inner cover at the air inlet slot, and the exhaust fans are provided in a plurality of groups in a longitudinal linear arrangement inside the inner cover at the air outlet slot.

[0009] A further improvement is that the first filter element and the second filter element have the same structure, both comprising a frame, a fixing plate and a filter screen, fixing plates are provided on both sides of the frame, the fixing plates are detachably installed with the inside of the air inlet slot by bolts, and a filter screen is provided inside the frame.

[0010] A further improvement is that a self-replacement drive component is provided inside the frame, the self-replacement drive component includes a first mounting roller and a second mounting roller, the first mounting roller and the second mounting roller are rotatably installed at the upper and lower parts of the frame respectively, one end of the filter screen is wound around the first mounting roller, and the lower end of the filter screen is installed on the second mounting roller, and the second mounting roller is driven by a motor.

[0011] Further improvement is that: a partition plate is provided in the cavity, and the partition plate divides the interior of the cavity into an upper cavity and a lower cavity. The second heat dissipation component includes a cooling pipe and a circulation component. The cooling pipe is arranged in the lower cavity, and the circulation component is arranged in the upper cavity. The cooling pipe is connected to the circulation component, and the cooling medium of the cooling pipe is cooling oil.

[0012] A further improvement is that the cooling pipe is laid in an S shape inside the lower cavity, both ends of the cooling pipe lead to the upper cavity, the circulation component includes a circulation pump and a docking pipe, the input and output ends of the circulation pump are both equipped with docking pipes, and one end of the two docking pipes is respectively connected to the two ends of the cooling pipe.

[0013] The beneficial effects of the utility model are as follows: the utility model arranges the heat dissipation top cover to be composed of an outer ring body and an inner cover body, wherein the inner cover body is rotatably installed inside the outer ring body, so that the first heat dissipation component and the second heat dissipation component installed on the inner cover body can follow the rotation of the inner cover body under the mutual driving of the driving shaft, the driving gear and the gear ring to change the heat dissipation position, realize multi-position efficient heat dissipation and fixed-point heat dissipation, thereby improving the heat dissipation effect and use flexibility of the heat dissipation top cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure appearance of the utility model;

[0015] Figure 2 It is a top view schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a side view schematic diagram of the structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the main structure of the first filter element and the second filter element of the utility model

[0018] Figure 5 This is a schematic diagram of the front view of the installation structure of the second heat dissipation component of the utility model;

[0019] Figure 6 It is a top view schematic diagram of the outer ring structure of the utility model.

[0020] Among them: 1. outer ring body; 2. inner cover body; 3. heat dissipation slot; 4. air inlet slot; 5. air outlet slot; 6. blower fan; 7. first filter element; 8. exhaust fan; 9. second filter element; 10. cavity; 1001. upper cavity; 1002. lower cavity; 11. drive shaft; 12. drive gear; 13. gear ring; 14. frame; 15. fixing plate; 16. filter screen; 17. first mounting roller; 18. second mounting roller; 19. motor; 20. cooling pipe; 21. circulation pump; 22. docking pipe. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0022] according to Figure 1-5 As shown, this embodiment proposes a heat dissipation top cover for a hydro-turbine generator, including an outer ring body 1, an inner cover body 2, a first heat dissipation component and a second heat dissipation component, the inner cover body 2 is arranged inside the outer ring body 1, the outer wall of the inner cover body 2 is rotatably connected to the inner wall of the outer ring body 1, the outer ring body 1 is symmetrically provided with heat dissipation slots 3, the inner cover body 2 is provided with an air inlet slot 4 and an air outlet slot 5, the air inlet slot 4 and the air outlet slot 5 are symmetrically arranged, the first heat dissipation component includes a blower fan 6, a first filter element 7, an exhaust fan 8 and a second filter element 9, the inner cover body 2 at the air inlet slot 4 is installed with a blower fan 6, and the air inlet slot A first filter element 7 is detachably installed inside the opening 4, an exhaust fan 8 is installed inside the inner cover body 2 at the air outlet slot 5, and a second filter element 9 is detachably installed inside the air outlet slot 5, a cavity 10 is symmetrically provided inside the side wall of the inner cover body 2 about the air inlet slot 4 and the air outlet slot 5, and a second heat dissipation component is provided in the cavity 10; a support plate is provided on one side of the top of the outer ring body 1, a driving gear 12 is provided on the support plate through a driving shaft 11, the upper end of the inner cover body 2 extends out of the top of the outer ring body 1, and a gear ring 13 is provided on the outer wall of the upper end of the inner cover body 2, and the gear ring 13 is meshed with the driving gear 12.

[0023] When the heat dissipation top cover of the utility model is used, the blower fan 6 of the first heat dissipation component blows the heat inside the heat dissipation top cover to the air outlet slot 5, and then the heat is discharged from the heat dissipation slot 3 through the exhaust fan 8 in the air outlet slot 5. During the process, the heat inside the heat dissipation top cover can be dissipated by heat exchange through contact with the inner cover body 2 installed with the second heat dissipation component. When it is necessary to perform fixed-point heat dissipation at different positions, the inner cover body 2 with the gear ring 13 installed on the driving gear 12 is rotated inside the outer ring body 1 by controlling the rotation of the driving shaft 11 (which can be driven by a motor), so that the first heat dissipation component installed on the inner cover body 2 rotates to a specified position to dissipate heat. The above arrangement can not only achieve fixed-point heat dissipation, but also achieve sufficient heat dissipation at multiple positions.

[0024] The blower fans 6 are arranged in a plurality of groups in a longitudinal linear arrangement inside the inner cover body 2 at the air inlet slot 4, and the exhaust fans 8 are arranged in a plurality of groups in a longitudinal linear arrangement inside the inner cover body 2 at the air outlet slot 5. The heat dissipation efficiency can be improved by arranging a plurality of blower fans 6 and exhaust fans 8 to cooperate with each other.

[0025] The first filter element 7 and the second filter element 9 have the same structure, and both include a frame 14, a fixing plate 15 and a filter screen 16. The fixing plates 15 are provided on both sides of the frame 14, and the fixing plates 15 are detachably installed with the inside of the air inlet slot 4 by bolts. The filter screen 16 is provided inside the frame 14. A self-replacement drive member is provided inside the frame 14, and the self-replacement drive member includes a first mounting roller 17 and a second mounting roller 18. The first mounting roller 17 and the second mounting roller 18 are rotatably installed at the upper and lower parts of the frame 14, respectively. One end of the filter screen 16 is wound and installed on the first mounting roller 17, and the lower end of the filter screen 16 is installed with the second mounting roller 18, and the second mounting roller 18 is driven by a motor 19. By providing the first filter element 7 and the second filter element 9, external dust can be prevented from entering the inner cover body 2 during the heat dissipation process. The self-replacement drive element can realize the automatic winding and unwinding of the filter 16, and the winding of the filter 16 intercepted by dust onto the second mounting roller 18, and the unwinding of the clean filter 16 wound on the first mounting roller 17, thereby maintaining the cleanliness of the filter 16 and ensuring the heat dissipation efficiency.

[0026] A partition plate is provided in the cavity 10, and the partition plate divides the interior of the cavity 10 into an upper cavity 1001 and a lower cavity 1002. The second heat dissipation component includes a cooling pipe 20 and a circulation component. The cooling pipe 20 is arranged in the lower cavity 1002, and the circulation component is arranged in the upper cavity 1001. The cooling pipe 20 is connected to the circulation component, and the cooling medium of the cooling pipe 20 is cooling oil. The cooling pipe 20 is laid in the lower cavity 1002 in an S shape, and both ends of the cooling pipe 20 lead to the interior of the upper cavity 1001. The circulation component includes a circulation pump 21 and a butt joint 22. The input end and the output end of the circulation pump 21 are both installed with a butt joint 22, and one end of the two butt joints 22 is connected to the two ends of the cooling pipe 20 respectively. The circulation pump 21 continuously pumps the cooling oil stored in the cooling pipe 20 in and out through the butt joint 22, maintains the fluidity of the cooling oil in the cooling pipe 20, and makes the cooling oil have a stable cooling effect.

[0027] The utility model arranges the heat dissipation top cover to be composed of an outer ring body 1 and an inner cover body 2, wherein the inner cover body 2 is rotatably installed inside the outer ring body 1, so that the first heat dissipation component and the second heat dissipation component installed on the inner cover body 2 can follow the rotation of the inner cover body 2 under the mutual driving of the driving shaft 11, the driving gear 12 and the gear ring 13 to change the heat dissipation position, realize multi-position efficient heat dissipation and fixed-point heat dissipation, thereby improving the heat dissipation effect and use flexibility of the heat dissipation top cover.

[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat dissipation top cover for a hydro-generator, Features: The invention comprises an outer ring body (1), an inner cover body (2), a first heat dissipation component and a second heat dissipation component, wherein the inner cover body (2) is arranged inside the outer ring body (1), the outer wall of the inner cover body (2) is rotatably connected to the inner wall of the outer ring body (1), the outer ring body (1) is symmetrically provided with heat dissipation slots (3), the inner cover body (2) is provided with air inlet slots (4) and air outlet slots (5), the air inlet slots (4) and the air outlet slots (5) are symmetrically arranged, the first heat dissipation component comprises a blower fan (6), a first filter element (7), an exhaust fan (8) and a second A filter element (9), a blower fan (6) is installed inside the inner cover body (2) at the air inlet slot (4), and a first filter element (7) is detachably installed inside the air inlet slot (4), an exhaust fan (8) is installed inside the inner cover body (2) at the air outlet slot (5), and a second filter element (9) is detachably installed inside the air outlet slot (5), and a cavity (10) is symmetrically provided inside the side wall of the inner cover body (2) with respect to the air inlet slot (4) and the air outlet slot (5), and a second heat dissipation component is provided inside the cavity (10); A support plate is provided on one side of the top of the outer ring body (1), and a driving gear (12) is provided on the support plate via a driving shaft (11). The upper end of the inner cover body (2) extends out of the top of the outer ring body (1), and a toothed ring (13) is provided on the outer wall of the upper end of the inner cover body (2), and the toothed ring (13) meshes with the driving gear (12).

2. A heat dissipation top cover for a hydro-generator according to claim 1, Features: The blower fans (6) are provided in a plurality of groups in a longitudinal linear arrangement inside the inner cover body (2) at the air inlet slot (4), and the exhaust fans (8) are provided in a plurality of groups in a longitudinal linear arrangement inside the inner cover body (2) at the air outlet slot (5).

3. A heat dissipation top cover for a hydro-generator according to claim 1, Features: The first filter element (7) and the second filter element (9) have the same structure, and both comprise a frame (14), a fixing plate (15) and a filter screen (16); fixing plates (15) are provided on both sides of the frame (14); the fixing plates (15) are detachably mounted to the inside of the air inlet slot (4) by means of bolts; and a filter screen (16) is provided inside the frame (14).

4. A heat dissipation top cover for a hydro-generator according to claim 3, Features: A self-replacement drive member is provided inside the frame (14), and the self-replacement drive member comprises a first mounting roller (17) and a second mounting roller (18). The first mounting roller (17) and the second mounting roller (18) are rotatably mounted at the upper and lower parts of the frame (14), respectively. One end of the filter screen (16) is wound around the first mounting roller (17), and the lower end of the filter screen (16) is mounted on the second mounting roller (18). The second mounting roller (18) is driven by a motor (19).

5. A heat dissipation top cover for a hydro-generator according to claim 1, Features: A partition plate is provided in the cavity (10), and the partition plate divides the interior of the cavity (10) into an upper cavity (1001) and a lower cavity (1002). The second heat dissipation component comprises a cooling pipe (20) and a circulation component. The cooling pipe (20) is arranged in the lower cavity (1002), and the circulation component is arranged in the upper cavity (1001). The cooling pipe (20) is connected to the circulation component, and the cooling medium of the cooling pipe (20) is cooling oil.

6. A heat dissipation top cover for a hydro-generator according to claim 5, Features: The cooling pipe (20) is laid in an S-shape inside the lower cavity (1002), and both ends of the cooling pipe (20) lead to the interior of the upper cavity (1001). The circulation component comprises a circulation pump (21) and a butt joint pipe (22). The input end and the output end of the circulation pump (21) are both provided with a butt joint pipe (22), and one end of the two butt joint pipes (22) are respectively connected to both ends of the cooling pipe (20).

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