CN212210755U - Generator heat sink for power station - Google Patents

Generator heat sink for power station Download PDF

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Publication number
CN212210755U
CN212210755U CN202021088211.2U CN202021088211U CN212210755U CN 212210755 U CN212210755 U CN 212210755U CN 202021088211 U CN202021088211 U CN 202021088211U CN 212210755 U CN212210755 U CN 212210755U
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CN
China
Prior art keywords
cooling
generator body
generator
air
cooler bin
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Active
Application number
CN202021088211.2U
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Chinese (zh)
Inventor
张翅飞
程莹
李军
周波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Huaneng Baoxinghe Hydropower Co Ltd
Original Assignee
Sichuan Huaneng Baoxinghe Hydropower Co Ltd
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Priority to CN202021088211.2U priority Critical patent/CN212210755U/en
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Abstract

The utility model discloses a generator heat sink for power station, including generator body and impeller. Has the advantages that: the utility model discloses a cooler bin and aspiration pump, when generating electricity, the inside hot-air of generator body is taken out to the aspiration pump, make the inside negative pressure state that forms of generator body, external cold air passes through the intake pipe in proper order, drying cabinet and first gas-supply pipe enter into the cooler bin, the cooler bin is put in the rivers for the electricity generation, the lower rivers of temperature erode cooler bin and fin, lower temperature in for the cooler bin through the heat radiation, thereby make the inside temperature step-down of cooler bin, and then the air in the cooling enters into the cooler bin, the air after the cooling passes through inside the second gas-supply pipe enters into the generator body afterwards, for the heat dissipation of generator body cooling, accomplish cold and hot air circulation, the setting of cooler bin has reduced the temperature of the inside air of entering generator body, thereby heat dispersion has been improved, utilize temperature cooling air, and is more energy-saving.

Description

Generator heat sink for power station
Technical Field
The utility model relates to a hydroelectric generation technical field particularly, relates to a generator heat sink for power station.
Background
Hydroelectric power generation is a mode of power generation, the utilized water energy is mainly potential energy accumulated in a water body, a building concentrates fall of natural water flow to form a water head, a reservoir collects and regulates flow of the natural water flow, basic equipment is a water turbine generator set, when the water flow passes through a water turbine, the water turbine is driven by the water flow to rotate, the water turbine drives a generator to generate power, mechanical energy is converted into electric energy, and the electric energy is transmitted to users through power transformation and power transmission and distribution equipment.
Traditional hydroelectric set is the suspension generator, for the convenience of generator heat dissipation, generally adopt the mode of seting up the louvre, take away the heat that produces in the generator through the air flow, thereby cool down, but the temperature of the air that enters into in the generator is close to the room temperature, the cooling efficiency is low, can also further improve, simultaneously, the seting up of louvre will lead to the fact dust and steam in the air to enter into the generator inside, arouse the inside electrical components corrosion of generator, the life of generator has been reduced.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a generator heat sink for power station possesses the advantage of cooling efficiently, more energy-conserving, dustproof and vapor proof, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For realizing the above-mentioned cooling efficiency advantage efficient, more energy-conserving, dustproof and waterproof steam, the utility model discloses a concrete technical scheme as follows:
a generator cooling device for a hydropower station comprises a generator body and an impeller, wherein the impeller is arranged below the generator body, an upper rack is arranged on the top surface of the generator body, a lower rack is arranged on the bottom surface of the generator body, an air pump is fixedly arranged on one side of the generator body and is communicated with the generator body through an air exhaust pipe, the air exhaust pipe penetrates through the upper rack and extends into the generator body, a cooling box is fixedly arranged in a water flow channel at the downstream of the impeller through a fixing frame, a cooling fin is fixedly connected to the surface of the cooling box in a penetrating manner and is in sealing connection with the cooling box, a drying box is fixedly arranged on the other side of the generator body, a first air pipe is communicated and connected to the surface of the drying box, the other end of the first air pipe is communicated and connected with the interior of the cooling box, and an air, the top surface of the other end of the cooling box is connected with a second gas pipe in a penetrating mode, and the other end of the second gas pipe penetrates through the lower rack and extends to the interior of the generator body.
Furthermore, the inside active carbon that has held of drying cabinet, and the drying cabinet is openable box.
Furthermore, the material of cooler bin and fin is copper, and cooler bin and fin thickness is not more than 5mm to the fin is provided with a plurality ofly.
Furthermore, the radiating fins are obliquely arranged, and the oblique direction of the radiating fins is the same as the water flow direction.
Furthermore, one end of the fixing frame is welded with the outer surfaces of the two ends of the cooling box, and the other end of the fixing frame is fixedly connected with the bottom surface of the water flow channel.
Furthermore, the cooling box is a sealed box body.
(III) advantageous effects
Compared with the prior art, the utility model provides a generator heat sink for power station possesses following beneficial effect:
(1) the utility model adopts the cooling box and the air pump, when generating electricity, the air pump pumps out the hot air in the generator body to form a negative pressure state in the generator body, the external cold air enters the cooling box through the air inlet pipe, the drying box and the first air pipe in sequence, the cooling box is arranged in the water flow for power generation, the water flow with lower temperature flushes the cooling box and the radiating fins, and the cooling box is cooled through heat radiation, so that the temperature in the cooling box is lowered, and then the air that the cooling entered into in the cooler bin, inside the air after the cooling entered into the generator body through the second gas-supply pipe afterwards, for the heat dissipation of generator body cooling, accomplished cold and hot air circulation, the setting of cooler bin has reduced the temperature that gets into the inside air of generator body to heat dispersion has been improved, utilizes temperature cooling air, and is more energy-conserving.
(2) The utility model discloses a drying cabinet, the inside active carbon that has held of drying cabinet, the outside air enters into the drying cabinet from the intake pipe, and inside steam and the dust of active carbon absorption outside air avoided steam and dust to enter into the generator body, protected the inside metal element of generator body not corroded by steam and dust, prolonged life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a generator cooling device for a hydropower station according to the present invention;
FIG. 2 is a schematic external view of the cooling box of the present invention;
fig. 3 is a schematic view of the internal structure of the drying box of the present invention.
In the figure:
1. a generator body; 2. an upper frame; 3. an air exhaust pipe; 4. an air pump; 5. a lower frame; 6. an impeller; 7. a fixed mount; 8. a heat sink; 9. a cooling tank; 10. a first gas delivery pipe; 11. a second gas delivery pipe; 12. a drying oven; 13. an air inlet pipe; 14. activated carbon.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a generator heat sink for power station.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a generator cooling device for a hydropower station according to an embodiment of the present invention includes a generator body 1 and an impeller 6, the impeller 6 is installed below the generator body 1, the upper frame 2 is installed on the top surface of the generator body 1, the lower frame 5 is installed on the bottom surface of the generator body 1, the impeller 6 is located inside a water flow channel, which is not described herein, the air pump 4 is fixedly installed on one side of the generator body 1, the air pump 4 is connected to the generator body 1 through the air pump 3, the air pump 3 penetrates the upper frame 2 and extends into the generator body 1, the distance from the air pump 3 to a rotor and a stator is not less than 30cm, the cooling box 9 is fixedly installed inside the water flow channel through the fixing frame 7 at the downstream of the impeller 6, the surface of the cooling box 9 is fixedly connected with a cooling fin 8 in a penetrating way, the cooling fin 8 is connected with the cooling box 9 in a sealing way, the cooling fin 8 can be welded with the cooling box 9, the other side of the generator body 1 is fixedly provided with a drying box 12, the surface of the drying box 12 is connected with a first air pipe 10 in a penetrating way, the other end of the first air pipe 10 is connected with the inside of the cooling box 9 in a penetrating way, the top surface of the drying box 12 is connected with an air inlet pipe 13 in a penetrating way, the top surface of the other end of the cooling box 9 is connected with a second air pipe 11 in a penetrating way, the other end of the second air pipe 11 penetrates through the lower frame 5 and extends to the inside of the generator body 1, when power generation is carried out, the air suction pump 4 pumps hot air in the generator body 1 out to enable the inside of the generator body 1 to form a negative pressure state, external cold, the lower rivers of temperature erode cooling tank 9 and fin 8, lower temperature through the heat radiation in for cooling tank 9, thereby make the inside temperature step-down of cooling tank 9, and then the cooling enters into the air in cooling tank 9, the air after the cooling passes through second gas-supply pipe 11 afterwards and enters into generator body 1 inside, for the heat dissipation of generator body 1 cooling, accomplish cold and hot air circulation, the setting of cooling tank 9 has reduced the temperature that gets into the air of generator body 1 inside, thereby heat dispersion has been improved, utilize temperature cooling air, it is more energy-conserving.
In one embodiment, the inside active carbon 14 that has held of drying cabinet 12, and drying cabinet 12 is the formula box that can open, is convenient for change active carbon 14, and active carbon 14 is full of drying cabinet 12, and during the outside air entered into drying cabinet 12 from intake pipe 13, active carbon 14 adsorbs the steam and the dust in the outside air, avoided steam and dust to enter into generator body 1 inside, protected the inside metal component of generator body 1 not corroded by steam and dust, prolonged life.
In one embodiment, the cooling box 9 and the cooling fins 8 are made of copper, the heat conduction performance is high, the thickness of the cooling box 9 and the thickness of the cooling fins 8 are not larger than 5mm, heat conduction is facilitated, and the number of the cooling fins 8 is multiple, so that the heat conduction efficiency is improved.
In one embodiment, the heat sink fins 8 are arranged obliquely, and the oblique direction of the heat sink fins 8 is the same as the water flow direction, so that the water flow resistance is small, and the cooling box 9 is prevented from being damaged by washing.
In an embodiment, one end of the fixing frame 7 is welded to the outer surfaces of the two ends of the cooling box 9, the other end of the fixing frame 7 is fixedly connected to the bottom surface of the water flow channel, and the fixing frame 7 can be fixedly connected to the bottom surface of the water flow channel through anchor bolts.
In one embodiment, the cooling tank 9 is a sealed tank body, and prevents water from entering the generator body 1 due to water vapor.
The working principle is as follows:
when power generation is carried out, hot air in the generator body 1 is pumped out by the air pump 4, so that a negative pressure state is formed in the generator body 1, external cold air sequentially enters the cooling box 9 through the air inlet pipe 13, the drying box 12 and the first air conveying pipe 10, the cooling box 9 is placed in water flow for power generation, the water flow with lower temperature flushes the cooling box 9 and the radiating fins 8, the temperature in the cooling box 9 is reduced through heat radiation, so that the temperature in the cooling box 9 is lowered, the air entering the cooling box 9 is cooled, the cooled air enters the generator body 1 through the second air conveying pipe 11, the temperature of the air entering the generator body 1 is reduced, the cooling performance is improved, the air is cooled by water temperature, energy is saved, and meanwhile, activated carbon 14 is full of drying cabinet 12, and during the outside air entered into drying cabinet 12 from intake pipe 13, activated carbon 14 adsorbs steam and dust in the outside air, avoids steam and dust to enter into generator body 1 inside, has protected the inside metal component of generator body 1 not to receive steam and dust to corrode, has prolonged life.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A generator cooling device for a hydropower station is characterized by comprising a generator body (1) and an impeller (6), wherein the impeller (6) is installed below the generator body (1), an upper frame (2) is installed on the top surface of the generator body (1), a lower frame (5) is installed on the bottom surface of the generator body (1), an air suction pump (4) is fixedly installed on one side of the generator body (1), the air suction pump (4) is in through connection with the generator body (1) through an air suction pipe (3), the air suction pipe (3) penetrates through the upper frame (2) and extends to the inside of the generator body (1), a cooling box (9) is fixedly installed inside a water flow channel through a fixing frame (7) at the downstream of the impeller (6), cooling fins (8) are fixedly connected on the surface of the cooling box (9) in a penetrating manner, and the cooling fins (8) are hermetically connected with the cooling box (9), the utility model discloses a generator body, including generator body (1), generator body (1) opposite side fixed mounting has drying cabinet (12), and drying cabinet (12) surface through connection has first gas-supply pipe (10) to the inside through connection of first gas-supply pipe (10) other end and cooler bin (9), drying cabinet (12) top surface through connection has intake pipe (13), cooler bin (9) other end top surface through connection has second gas-supply pipe (11), and the second gas-supply pipe (11) other end runs through under frame (5) and extends to generator body (1) inside.
2. The generator cooling device for the hydropower station according to claim 1, wherein the drying box (12) contains activated carbon (14) therein, and the drying box (12) is an openable box body.
3. The generator cooling device for the hydropower station according to claim 1, wherein the cooling box (9) and the cooling fins (8) are both made of copper, the thicknesses of the cooling box (9) and the cooling fins (8) are not more than 5mm, and a plurality of cooling fins (8) are arranged.
4. The generator cooling device for a hydropower station according to claim 1, wherein the heat radiating fins (8) are arranged obliquely, and the oblique direction of the heat radiating fins (8) is the same as the water flow direction.
5. The generator cooling device for the hydropower station according to claim 1, wherein one end of the fixing frame (7) is welded with the outer surfaces of the two ends of the cooling box (9), and the other end of the fixing frame (7) is fixedly connected with the bottom surface of the water flow channel.
6. A generator heat sink for a hydropower station according to claim 1, wherein the cooling tank (9) is a sealed box.
CN202021088211.2U 2020-06-14 2020-06-14 Generator heat sink for power station Active CN212210755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021088211.2U CN212210755U (en) 2020-06-14 2020-06-14 Generator heat sink for power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021088211.2U CN212210755U (en) 2020-06-14 2020-06-14 Generator heat sink for power station

Publications (1)

Publication Number Publication Date
CN212210755U true CN212210755U (en) 2020-12-22

Family

ID=73808628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021088211.2U Active CN212210755U (en) 2020-06-14 2020-06-14 Generator heat sink for power station

Country Status (1)

Country Link
CN (1) CN212210755U (en)

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