Cooling equipment for hydraulic generator set

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By designing a hydropower generator set cooling device including a first heat dissipation assembly and a second heat dissipation assembly, the problem of poor heat dissipation effect in the prior art is solved, and efficient air-cooling and water-cooling heat dissipation of the generator is achieved.

CN222915822UActive Publication Date: 2025-05-27DATANG GANSU POWER GENERATION

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Patent Information

Application Number: CN202421530979.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-29
Publication Date: 2025-05-27
Estimated Expiration: 2034-06-29

AI Technical Summary

Technical Problem

The heat dissipation effect of existing hydropower generator sets is poor and cannot effectively reduce the temperature of the generator.

Method used

A hydropower generator set cooling device is designed, including a first heat dissipation assembly and a second heat dissipation assembly. The first heat dissipation assembly realizes that the six blower fan blades rotate simultaneously for heat dissipation by setting six heat dissipation holes and two air inlet holes at the bottom and top of the protective cover, and a rotating shaft and a blower fan blade on the outer surface of the ventilation network tube. The second heat dissipation assembly realizes water-cooling heat dissipation of the generator by providing a spiral heat exchange tube on the inner wall of the ventilation network tube and a water pump on the outer surface of the protective sleeve.

Benefits of technology

It effectively improves the heat dissipation efficiency, realizes the air-cooling and water-cooling of the generator, and solves the defect of poor heat dissipation effect in the prior art.

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Abstract

The utility model discloses a cooling device of a water conservancy generator set, and relates to the technical field of water conservancy generator sets. The water conservancy generator set cooling equipment comprises a water turbine and a generator arranged at the top of the water turbine. The protection assembly is used for protecting the generator, the first heat dissipation assembly further comprises a ventilation net pipe fixedly arranged on the inner top wall of the protection cover, six rotating shafts corresponding to the six heat dissipation holes are rotationally arranged on the outer surface of the ventilation net pipe in a circumferential array mode, and blowing fan blades are arranged at the ends of the rotating shafts. According to the utility model, through the arrangement of the first heat dissipation assembly, the purpose that the six blowing fan blades rotate at the same time for heat dissipation can be achieved, the heat dissipation efficiency is effectively improved, and through the arrangement of the second heat dissipation assembly, the purpose of water-cooling heat dissipation of the generator can be achieved; and therefore, the purpose of simultaneously cooling the generator by air and water can be achieved, and the defect of poor cooling effect in the prior art can be effectively solved.

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Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy generating sets, in particular to a cooling device for water conservancy generating sets. Background Technique

[0002] The function of a hydraulic generating set is to let the water with potential energy at a high place, such as rivers and lakes, flow to a low place. It is converted into the mechanical energy of the water turbine by the water turbine, and the water turbine then drives the generator to generate electricity and convert the mechanical energy into electrical energy. During the operation and power generation of the generator of the water conservancy generating set, a large amount of heat will be generated. Therefore, it is necessary to use a cooling and heat dissipation device to cool it down. There is a prior patent for a heat dissipation device for a water conservancy generating set, with the patent publication number CN213027719U. It includes a base, a water turbine is arranged on the top of the base, a water inlet penetrates through the top of the water turbine, a water outlet penetrates through the side surface of the water turbine, a power generation component is arranged on the side of the water turbine away from the water outlet, a partition is inlaid inside the power generation component, heat dissipation holes penetrate through the outer surface of the partition, a temperature control switch is arranged at the bottom of the partition, a heat dissipation fan is arranged on the top of the partition, a placement groove is arranged on the top of the power generation component, a movable groove is arranged inside the placement groove, a tension spring is arranged inside the movable groove, a sealing plate is arranged on the top of the placement groove, a first electromagnet is inlaid inside the sealing plate, and a second electromagnet is inlaid inside the top plate of the power generation component; by setting the sealing plate, this heat dissipation device for a water conservancy generating set can prevent the heat dissipation holes from being blocked.

[0003] Regarding the above related technologies, the inventor believes that there are the following defects: when actually dissipating heat from the generator, this heat dissipation device only uses the method of a heat dissipation fan, resulting in poor heat dissipation effect, that is, the technical solution proposed by the above patent technology has the defect of poor heat dissipation effect.

[0004] Therefore, we propose a cooling device for water conservancy generating sets to solve the above-mentioned existing problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a cooling device for water conservancy generating sets, which solves the defect of poor heat dissipation effect.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A cooling device for water conservancy generating sets, including:

[0007] A water turbine and a generator arranged on the top of the water turbine, and the output shaft of the generator extends into the interior of the water turbine;

[0008] A protection component is used to protect a generator. The protection component includes a protective cover sleeved on the outer surface of the generator, and a protective sleeve fixed at the bottom end of the protective cover. The bottom end of the protective sleeve is fixedly connected to the top of a water turbine, and the top of the generator is fixedly connected to the inner top wall of the protective cover;

[0009] A first heat dissipation component. The first heat dissipation component includes six heat dissipation holes arranged in a circumferential array on the outer surface of the bottom of the protective cover, and two air inlet holes symmetrically arranged on the outer surface of the top of the protective cover. Heat dissipation nets and filter nets are respectively fixed on the inner walls of the heat dissipation holes and the air inlet holes. The first heat dissipation component further includes a ventilation network pipe fixed on the inner top wall of the protective cover. Six rotating shafts corresponding to the six heat dissipation holes are rotatably arranged on the outer surface of the ventilation network pipe in a circumferential array, and blower fan blades are arranged at the ends of the rotating shafts;

[0010] A second heat dissipation component. The second heat dissipation component includes a heat exchange pipe spirally fixed on the inner wall of the ventilation network pipe, and a water pump arranged on the outer surface of the protective sleeve. A water inlet pipe is arranged on the outer surface of the water turbine.

[0011] Preferably, a connecting cylinder is fixed on the outer surface of the protective sleeve, and a rotating rod extending into the protective cover is rotatably arranged on the inner bottom wall of the connecting cylinder. A toothed disc is fixed at the top end of the rotating rod.

[0012] Preferably, connecting shafts extending into the protective sleeve are rotatably arranged on the inner side walls of the connecting cylinder, and driven bevel gears are fixed at one ends of the connecting shafts. A driving bevel gear meshing with the driven bevel gear is fixed on the outer surface of the output end shaft. First bevel gears meshing with each other are fixed on the outer surfaces of the other ends of the connecting shafts and the rotating rod.

[0013] Preferably, a rotating pipe is rotatably arranged on the inner bottom wall of the protective cover, and a toothed ring meshing with the toothed disc is fixed on the outer surface of the rotating pipe.

[0014] Preferably, a conical gear ring is fixed at the top end of the rotating pipe, and second conical gears meshing with the conical gear ring are fixed on the outer surfaces of the six rotating shafts.

[0015] Preferably, a water suction pipe extending into the water inlet pipe is arranged at the liquid inlet end of the water pump, a water outlet pipe extending into the heat exchange pipe is arranged at the liquid outlet end of the water pump, and a liquid discharge pipe extending outside the protective cover is arranged at the top end of the heat exchange pipe.

[0016] Advantageous effects

[0017] The utility model provides a cooling device for a water conservancy generating set. Compared with the prior art, the following advantageous effects are achieved:

[0018] The cooling equipment of this hydraulic generator set can achieve the purpose of six blowing fan blades rotating simultaneously for heat dissipation by setting the first heat dissipation component, effectively improving the heat dissipation efficiency. At the same time, by setting the second heat dissipation component, it can achieve the purpose of water-cooling heat dissipation for the generator, and then can achieve the purpose of simultaneous air-cooling and water-cooling heat dissipation for the generator, effectively solving the defect of poor heat dissipation effect in the existing technology. Brief Description of the Drawings

[0019] Figure 1 Schematic perspective structure diagram of the present utility model;

[0020] Figure 2 Schematic sectional structure diagram of the present utility model;

[0021] Figure 3 For the present utility model Figure 2 Enlarged structure diagram at A in;

[0022] Figure 4 For the present utility model Figure 2 Enlarged structure diagram at B in;

[0023] Figure 5 Schematic side sectional structure diagram of the present utility model.

[0024] In the figure:

[0025] 100, water turbine;

[0026] 200, generator;

[0027] 300, output end shaft;

[0028] 400, protection component; 401, protective cover; 402, protective sleeve;

[0029] 500, first heat dissipation component; 501, heat dissipation net; 502, filter screen; 503, ventilation pipe; 504, rotating shaft; 505, blowing fan blade; 506, connecting cylinder; 507, rotating rod; 508, gear disk; 509, connecting shaft; 5010, driven bevel gear; 5011, driving bevel gear; 5012, first conical gear; 5013, rotating pipe; 5014, gear ring; 5015, conical gear ring; 5016, second conical gear;

[0030] 600, second heat dissipation component; 601, heat exchange pipe; 602, water pump; 603, water inlet pipe; 604, water suction pipe; 605, water outlet pipe; 606, liquid discharge pipe. Detailed Description of the Embodiments

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0032] Embodiment 1

[0033] Please refer to Figures 1-5 , the present invention provides a technical solution: a cooling device for a water conservancy generator set, including:

[0034] A water turbine 100 and a generator 200 disposed on the top of the water turbine 100, and the output shaft 300 of the generator 200 extends into the interior of the water turbine 100;

[0035] A protection component 400, which is used to protect the generator 200. The protection component 400 includes a protective cover 401 sleeved on the outer surface of the generator 200, and a protective sleeve 402 fixed to the bottom end of the protective cover 401. The bottom end of the protective sleeve 402 is fixedly connected to the top of the water turbine 100, and the top of the generator 200 is fixedly connected to the inner top wall of the protective cover 401;

[0036] A first heat dissipation component 500. The first heat dissipation component 500 includes six heat dissipation holes formed in a circumferential array on the outer surface of the bottom of the protective cover 401, and two air inlet holes symmetrically formed on the outer surface of the top of the protective cover 401. Heat dissipation nets 501 and filter nets 502 are respectively fixed to the inner walls of the heat dissipation holes and the air inlet holes. The first heat dissipation component 500 further includes a ventilation network pipe 503 fixed to the inner top wall of the protective cover 401. Six rotating shafts 504 corresponding to the six heat dissipation holes are rotatably disposed on the outer surface of the ventilation network pipe 503 in a circumferential array. Blowing fan blades 505 are provided at the ends of the rotating shafts 504;

[0037] A connecting cylinder 506 is fixed to the outer surface of the protective sleeve 402, and a rotating rod 507 extending into the interior of the protective cover 401 is rotatably disposed on the inner bottom wall of the connecting cylinder 506. A gear disk 508 is fixed to the top end of the rotating rod 507.

[0038] Connecting shafts 509 extending into the interior of the protective sleeve 402 are rotatably disposed on the inner side walls of the connecting cylinder 506. One end of each connecting shaft 509 is fixed with a driven bevel gear 5010, and a driving bevel gear 5011 meshing with the driven bevel gear 5010 is fixed to the outer surface of the output shaft 300. A first bevel gear 5012 meshing with each other is fixed to the outer surfaces of the other end of the connecting shaft 509 and the rotating rod 507.

[0039] A rotating pipe 5013 is rotatably arranged on the inner bottom wall of the protective cover 401, and a toothed ring 5014 meshing with the toothed disc 508 is fixedly arranged on the outer surface of the rotating pipe 5013.

[0040] A conical gear ring 5015 is fixedly arranged at the top end of the rotating pipe 5013, and a second conical gear 5016 meshing with the conical gear ring 5015 is fixedly arranged on the outer surfaces of the six rotating shafts 504.

[0041] In this embodiment, by setting the first heat dissipation component 500, during the operation of the water turbine 100 and the generator 200, the output end shaft 300 can rotate. The rotation of the output end shaft 300 drives the blowing fan blades 505 to rotate, blow air, and discharge the heat generated by the generator 200, thereby achieving the purpose of the six blowing fan blades 505 rotating simultaneously for heat dissipation, effectively improving the heat dissipation efficiency.

[0042] Embodiment Two

[0043] On the basis of Embodiment One and different from Embodiment One,

[0044] A cooling device for a water conservancy generating set further includes:

[0045] A second heat dissipation component 600, which includes a heat exchange pipe 601 fixedly arranged in a spiral shape on the inner wall of the ventilation network pipe 503, and a water pump 602 arranged on the outer surface of the protective sleeve 402. A water inlet pipe 603 is arranged on the outer surface of the water turbine 100.

[0046] A water suction pipe 604 extending into the interior of the water inlet pipe 603 is arranged at the liquid inlet end of the water pump 602, a water outlet pipe 605 extending into the interior of the heat exchange pipe 601 is arranged at the liquid outlet end of the water pump 602, and a liquid discharge pipe 606 extending outside the protective cover 401 is arranged at the top end of the heat exchange pipe 601.

[0047] In this embodiment, by setting the second heat dissipation component 600, the purpose of water-cooling heat dissipation for the generator 200 can be achieved, effectively solving the defect of poor heat dissipation effect in the prior art.

[0048] During operation, while the water turbine 100 and the generator 200 are running, the output shaft 300 can rotate. The rotation of the output shaft 300 drives the rotation of the driving bevel gear 5011. The rotation of the driving bevel gear 5011 drives the rotation of the driven bevel gear 5010. The rotation of the driven bevel gear 5010 drives the rotation of the connecting shaft 509. The rotation of the connecting shaft 509 drives the rotation of the rotating rod 507 under the action of the two first bevel gears 5012. The rotation of the rotating rod 507 drives the rotation of the toothed disc 508. The rotation of the toothed disc 508 drives the rotation of the rotating tube 5013 under the action of the toothed ring 5014. The rotation of the rotating tube 5013 drives the rotation of the bevel gear ring 5015. The rotation of the bevel gear ring 5015 drives the simultaneous rotation of the six second bevel gears 5016, thereby driving the rotation of the six rotating shafts 504. The rotation of the rotating shafts 504 drives the rotation of the blowing fan blades 505 to blow air and discharge the heat generated by the generator 200, thus achieving the purpose of simultaneous rotation of the six blowing fan blades 505 for heat dissipation, effectively improving the heat dissipation efficiency. At the same time, the water pump 602 can be started to suck the water in the water inlet pipe 603 through the suction pipe 604 and input it into the heat exchange pipe 601 through the water outlet pipe 605, so that the water in the heat exchange pipe 601 can quickly exchange heat with the heat of the generator 200, and discharge the heat-exchanged water through the drain pipe 606, thereby achieving the purpose of water-cooled heat dissipation for the generator 200. Furthermore, the purpose of simultaneous air-cooled and water-cooled heat dissipation for the generator 200 can be achieved, effectively solving the defect of poor heat dissipation effect in the prior art.

[0049] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. A cooling device for a water conservancy generator set, characterized in that: include: A water turbine (100) and a generator (200) arranged on the top of the water turbine (100), wherein the output end shaft (300) of the generator (200) extends into the interior of the water turbine (100); A protection assembly (400) for protecting a generator (200), the protection assembly (400) comprising a protection cover (401) sleeved on the outer surface of the generator (200), and a protection sleeve (402) fixedly arranged at the bottom end of the protection cover (401), the bottom end of the protection sleeve (402) being fixedly connected to the top of the turbine (100), and the top of the generator (200) being fixedly connected to the inner top wall of the protection cover (401); A first heat dissipation component (500), the first heat dissipation component (500) comprising six heat dissipation holes arranged in a circumferential array on the outer surface of the bottom of the protective cover (401), and two air inlet holes symmetrically arranged on the outer surface of the top of the protective cover (401), and the inner walls of the heat dissipation holes and the air inlet holes are respectively fixed with a heat dissipation net (501) and a filter net (502), the first heat dissipation component (500) further comprising a ventilation net pipe (503) fixed on the inner top wall of the protective cover (401), the outer surface of the ventilation net pipe (503) being rotatably arranged with six rotation shafts (504) corresponding to the six heat dissipation holes in a circumferential array, and a blowing fan blade (505) being arranged at the end of the rotation shaft (504); The second heat dissipation component (600) comprises a heat exchange tube (601) fixedly mounted on the inner wall of the ventilation mesh tube (503) in a spiral shape, and a water pump (602) arranged on the outer surface of the protective sleeve (402); the outer surface of the water turbine (100) is provided with a water inlet pipe (603).

2. The cooling device for a water conservancy generator set according to claim 1 is characterized in that: A connecting tube (506) is fixedly provided on the outer surface of the protective sleeve (402), and a rotating rod (507) extending to the inside of the protective cover (401) is rotatably provided on the inner bottom wall of the connecting tube (506), and a toothed disc (508) is fixedly provided on the top end of the rotating rod (507).

3. The cooling device for a water conservancy generator set according to claim 2 is characterized in that: The inner side wall of the connecting cylinder (506) is rotatably provided with a connecting shaft (509) extending into the interior of the protective sleeve (402), and one end of the connecting shaft (509) is fixedly provided with a driven bevel gear (5010), the outer surface of the output end shaft (300) is fixedly provided with a driving bevel gear (5011) meshing with the driven bevel gear (5010), and the other end of the connecting shaft (509) and the outer surface of the rotating rod (507) are fixedly provided with a first bevel gear (5012) meshing with each other.

4. The cooling device for a water power generating set according to claim 2 is characterized in that: A rotating tube (5013) is rotatably provided on the inner bottom wall of the protective cover (401), and a toothed ring (5014) meshing with the toothed disc (508) is fixedly provided on the outer surface of the rotating tube (5013).

5. The cooling device for a water conservancy generator set according to claim 4 is characterized in that: A bevel gear ring (5015) is fixedly provided at the top end of the rotating tube (5013), and second bevel gears (5016) meshing with the bevel gear ring (5015) are fixedly provided on the outer surfaces of the six rotating shafts (504).

6. The cooling device for a water conservancy generator set according to claim 1 is characterized in that: The liquid inlet end of the water pump (602) is provided with a water suction pipe (604) extending to the inside of the water inlet pipe (603), the liquid outlet end of the water pump (602) is provided with a water outlet pipe (605) extending to the inside of the heat exchange tube (601), and the top end of the heat exchange tube (601) is provided with a liquid discharge pipe (606) extending to the outside of the protective cover (401).