CN210351995U

CN210351995U - Water-cooling heat dissipation system of offshore wind power converter

Info

Publication number: CN210351995U
Application number: CN201921287735.1U
Authority: CN
Inventors: 尚娟; 马宁; 廖承哲
Original assignee: Shanghai Demai Electric Technology Co Ltd
Current assignee: Shanghai Demai Electric Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-17
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a marine wind power converter water-cooling heat dissipation system, including heat dissipation case, shunt tubes and two divisions of doors, the inside of heat dissipation case is provided with the fin, and the right side of heat dissipation case is fixed with the pumping box, the inside of pumping box is provided with the water pump, and the left side upper end of water pump is connected with high-pressure water pipe, the right side lower extreme of water pump is connected with the raceway, and the one end that the water pump is close to the raceway is fixed with the cabinet body, the lower extreme of catch basin is connected with the drain pipe, two divisions of doors set up in the inboard of the cabinet body, and the left end of two divisions of doors is fixed with the hinge, the upper end exterior wall of two divisions of doors is provided with control panel, and the middle. This offshore wind power converter water-cooling system is provided with the catch basin to the welding has the heat absorption copper sheet between catch basin and converter system, can make low temperature sea water and converter system fully contact, avoids appearing the inhomogeneous condition of dispelling the heat and appears.

Description

Water-cooling heat dissipation system of offshore wind power converter

Technical Field

The utility model relates to a heat abstractor technical field specifically is a marine wind power converter water-cooling heat dissipation system.

Background

In the aspect of offshore wind power generation, a second main offshore wind farm is established in the open sea near the Shanghai in 2010 in China, installed capacity reaches 100MW, compared with the total installed capacity of the wind energy in China, offshore wind energy is still negligible in China at present (newly increased installed capacity only accounts for 0.5% of the total newly increased installed capacity), according to the prediction of a prospective network, under three situations of low increase, medium increase and high speed increase, the installed capacity of the wind power in China respectively reaches the scales of 1 hundred million kW, 1.5 hundred million kW and 2 hundred million kW in 2020, and meanwhile, the specific gravity of the wind power in total energy consumption respectively reaches 1.6%, 2.5% and 3.3%.

Although wind power converters in the market have certain over-temperature protection, no targeted solution is provided for high temperature of the wind power converters during operation, and the service life of the wind power converters is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an offshore wind power converter water-cooling heat dissipation system to the wind power converter who proposes in solving above-mentioned background has certain excess temperature protection, but still does not have corresponding solution to the high temperature of wind power converter when operation, influences the life's of wind power converter problem.

In order to achieve the above object, the utility model provides a following technical scheme: a water-cooling heat dissipation system of an offshore wind power converter comprises a heat dissipation box, a flow dividing pipe and double doors, wherein heat dissipation fins are arranged inside the heat dissipation box, a water pumping box is fixed on the right side of the heat dissipation box, a water pump is arranged in the water pumping box, the upper end of the left side of the water pump is connected with a high-pressure water pipe, the lower end of the right side of the water pump is connected with a water delivery pipe, and one end of the water pump close to the water delivery pipe is fixed with a cabinet body, the shunt pipe is connected with the lower end of the water delivery pipe, the lower end of the shunt pipe is connected with a water storage tank, the inner side of the water storage tank is fixed with a heat absorption copper sheet, the inner side of the heat absorption copper sheet is connected with a converter system, the lower end of the water storage tank is connected with a drain pipe, the double doors are arranged on the inner side of the cabinet body, and the left end of the double door is fixed with a hinge, the outer surface wall of the upper end of the double door is provided with a control panel, and one end of the middle part of the double door close to the converter system is provided with a handle.

Preferably, the inside of heat dissipation case is hollow column structure, and all be welded connection between heat dissipation case and the fin and the cabinet body.

Preferably, the water pump, the high-pressure water pipe and the water delivery pipe are in a communicated structure, and the water pump, the high-pressure water pipe and the water delivery pipe are movably connected.

Preferably, the interior of the water storage tank is of a hollow structure, and the water storage tank is connected with the heat absorption copper sheet in a welding mode.

Preferably, the number of the water storage tanks is four, and the water storage tanks, the shunt pipes and the drain pipes form a communication structure.

Preferably, the double doors are arranged in two, and the double doors are symmetrical about a vertical central axis of the cabinet body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the water-cooling heat dissipation system of the offshore wind power converter is provided with a heat dissipation box, and heat dissipation fins are also arranged in the heat dissipation box, since the current offshore wind power converter on the market needs to work uninterruptedly to maintain the use of electric power, the operation temperature of the offshore wind power converter is always in an overheat state, therefore, a certain heat dissipation structure is required to prolong the service life of the offshore wind power converter as much as possible, the heat dissipation box and the heat dissipation fins are welded on the cabinet body, can directly conduct the high temperature in the cabinet body to the radiating fins, is convenient for ventilation and radiation, the water pump is connected with the high-pressure water pipe and the water delivery pipe, and because the temperature of the seawater is lower, therefore, the seawater can play a good role in the heat dissipation system, the water pump continuously pumps the low-temperature seawater from the ocean through the high-pressure water pipe, the water is input into the cabinet body through the water delivery pipe, so that the offshore wind power converter can be effectively cooled;

2. the water-cooling heat dissipation system on the market generally adopts a clip-shaped pipe structure as a heat exchange structure, but the clip-shaped pipe cannot be completely attached to a converter system, so that the heat dissipation of the converter system is uneven, and part of positions of the clip-shaped pipe cannot achieve the heat dissipation effect all the time, the novel water storage tank matched with the shape of the converter system is adopted, and a heat absorption copper sheet is welded between the water storage tank and the converter system, so that the low-temperature seawater can be fully contacted with the converter system, the phenomenon of uneven heat dissipation is avoided, and the heat dissipation effect of the converter system is greatly improved;

3. the catch basin is provided with four altogether, and each all corresponds the outside that sets up at the converter system, when low temperature sea water from the shunt tubes in inputing the catch basin, low temperature sea water will be continuous extrude the high temperature sea water in the drain pipe, finally make the high temperature sea water flow in the ocean, continuous circulation like this, can be continuous cool down the converter system, can not be too high for guaranteeing the internal temperature of cabinet, the cabinet body is great than the wind-powered electricity generation converter of singly opening the door on the market, not only be unfavorable for the heat dissipation because less space, and the unable continuous circulation of inside air, lead to inside air temperature too high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a left side view structure diagram of the present invention.

In the figure: 1. a heat dissipation box; 2. a heat sink; 3. a water pumping box; 4. a water pump; 5. a high pressure water pipe; 6. a water delivery pipe; 7. a cabinet body; 8. a shunt tube; 9. a water storage tank; 10. a heat absorbing copper sheet; 11. a converter system; 12. a drain pipe; 13. double doors are opened; 14. a hinge; 15. a control panel; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a water-cooling heat dissipation system of a marine wind power converter comprises a heat dissipation box 1, heat dissipation fins 2, a water pumping box 3, a water pump 4, a high-pressure water pipe 5, a water delivery pipe 6, a cabinet body 7, a flow division pipe 8, a water storage tank 9, a heat absorption copper sheet 10, a converter system 11, a water drainage pipe 12, a double door 13, a hinge 14, a control panel 15 and a handle 16, wherein the heat dissipation fins 2 are arranged inside the heat dissipation box 1, the water pumping box 3 is fixed on the right side of the heat dissipation box 1, the water pump 4 is arranged inside the water pumping box 3, the high-pressure water pipe 5 is connected to the upper end of the left side of the water pump 4, the water delivery pipe 6 is connected to the lower end of the right side of the water pump 4, the cabinet body 7 is fixed to one end, close to the water delivery pipe 6, the inside of the heat dissipation box 1 is of a hollow structure, the radiating fins 2 are arranged in the radiating box 1, the offshore wind power converter on the market at present needs to work uninterruptedly to maintain the use of electric power, so that the operating temperature of the offshore wind power converter is always in an overheat state, a certain radiating structure is needed to prolong the service life of the offshore wind power converter as much as possible, the radiating box 1 and the radiating fins 2 are welded on the cabinet body 7, the high temperature in the cabinet body 7 can be directly transmitted to the radiating fins 2, the ventilation and the radiation are convenient, the water pump 4, the high-pressure water pipe 5 and the water delivery pipe 6 are both in a communicated structure, the water pump 4, the high-pressure water pipe 5 and the water delivery pipe 6 are both movably connected, the water pump 4 is connected with the high-pressure water pipe 5 and the water delivery pipe 6, the seawater is used in a radiating system due to the low temperature of the seawater, the water pump 4 continuously pumps the low-temperature seawater through, the temperature of the offshore wind power converter can be effectively reduced by inputting the temperature into the cabinet body 7 through the water conveying pipe 6, the shunt pipe 8 is connected to the lower end of the water conveying pipe 6, the lower end of the shunt pipe 8 is connected with the water storage tank 9, the inner side of the water storage tank 9 is fixedly provided with a heat absorption copper sheet 10, and the inner side of the heat absorption copper sheet 10 is connected with a converter system 11;

the water storage tank 9 is of a hollow structure, the water storage tank 9 is in welded connection with the heat absorption copper sheet 10, a water-cooling heat dissipation system in the current market generally adopts a clip-shaped pipe structure as a heat exchange structure, but the clip-shaped pipe cannot be completely attached to the converter system 11, so that the converter system 11 cannot dissipate heat unevenly, and part of positions cannot achieve the heat dissipation effect all the time, the novel water storage tank 9 which is matched with the converter system 11 in shape is adopted, and the heat absorption copper sheet 10 is welded between the water storage tank 9 and the converter system 11, so that low-temperature seawater can be in full contact with the converter system 11, the occurrence of uneven heat dissipation is avoided, the heat dissipation effect of the converter system 11 is greatly improved, the lower end of the water storage tank 9 is connected with the drain pipe 12, the water storage tank 9 is provided with four water storage tanks, and the water storage tank 9, the shunt pipe, the total number of the water storage tanks 9 is four, each water storage tank is correspondingly arranged at the outer side of the converter system 11, when low-temperature seawater is input into the water storage tank 9 from the shunt tubes 8, the low-temperature seawater can continuously extrude the high-temperature seawater into the drain pipe 12, and finally the high-temperature seawater flows into the ocean, so that the converter system 11 can be continuously cooled through continuous circulation, the double doors 13 are arranged at the inner sides of the cabinet bodies 7, the hinges 14 are fixed at the left ends of the double doors 13, the double doors 13 are totally provided with two doors, and the double doors 13 are symmetrical about the vertical central axis of the cabinet bodies 7, in order to ensure that the internal temperature of the cabinet bodies 7 is not overhigh, the cabinet bodies 7 are larger than the wind power converters with single door on the market, because the smaller space is not only unfavorable for heat dissipation, and the internal air cannot continuously circulate, so that the internal air temperature is overhigh, the, and the middle part of the double door 13 near one end of the converter system 11 is provided with a handle 16.

The working principle is as follows: for the offshore wind power converter water-cooling heat dissipation system, firstly, a water pump 4 is connected with a high-pressure water pipe 5 and a water pipe 6, then, the water pipe 6 is connected with a shunt pipe 8, then, the shunt pipe 8 is connected with a water storage tank 9, finally, the water storage tank 9 is connected with a drain pipe 12, after the connection is finished, the water pump 4 is started, whether the whole water-cooling heat dissipation system leaks water is checked, after the whole water-cooling heat dissipation system does not leak water is ensured, the converter system 11 is installed on a heat absorption copper sheet 10, because the wind power at sea is frequently changed, the wind power converter needs to timely adjust the working power of the converter system 11 through a control panel 15, when the running power of the converter system 11 is low, the heating condition of the converter system 11 is not serious, at the moment, the water-cooling heat dissipation can be finished through a heat dissipation fin 2 without, the water-cooling heat dissipation system needs to be started to further enhance heat dissipation, the water pump 4, the high-pressure water pipe 5, the water delivery pipe 6, the shunt pipe 8, the water storage tank 9 and the water discharge pipe 12 need to be checked regularly to determine whether water leakage exists, if the water leakage possibility exists, the parts need to be replaced in time, an insulating layer needs to be attached to the handle 16 to prevent the cabinet body 7 and the double doors 13 from being electrified to hurt people due to water leakage of the water-cooling heat dissipation system, and therefore the using process of the water-cooling heat dissipation system of the offshore wind.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an offshore wind power converter water-cooling system, includes radiating box (1), shunt tubes (8) and two opening doors (13), its characterized in that: the heat dissipation box is characterized in that heat dissipation fins (2) are arranged inside the heat dissipation box (1), a water pumping box (3) is fixed on the right side of the heat dissipation box (1), a water pump (4) is arranged inside the water pumping box (3), a high-pressure water pipe (5) is connected to the upper end of the left side of the water pump (4), a water pipe (6) is connected to the lower end of the right side of the water pump (4), a cabinet body (7) is fixed to one end, close to the water pipe (6), of the water pump (4), the shunt pipe (8) is connected to the lower end of the water pipe (6), a water storage groove (9) is connected to the lower end of the shunt pipe (8), a heat absorption copper sheet (10) is fixed to the inner side of the water storage groove (9), a converter system (11) is connected to the inner side of the heat absorption copper sheet (10), a drain pipe (, and the left end of the double door (13) is fixed with a hinge (14), the outer surface wall of the upper end of the double door (13) is provided with a control panel (15), and one end of the middle part of the double door (13) close to the converter system (11) is provided with a handle (16).

2. The offshore wind power converter water-cooling heat dissipation system of claim 1, wherein: the inside of the heat dissipation box (1) is of a hollow structure, and the heat dissipation box (1) and the heat dissipation fins (2) are all connected with the cabinet body (7) in a welding mode.

3. The offshore wind power converter water-cooling heat dissipation system of claim 1, wherein: the water pump (4) is communicated with the high-pressure water pipe (5) and the water delivery pipe (6), and the water pump (4) is movably connected with the high-pressure water pipe (5) and the water delivery pipe (6).

4. The offshore wind power converter water-cooling heat dissipation system of claim 1, wherein: the interior of the water storage tank (9) is of a hollow structure, and the water storage tank (9) is connected with the heat absorption copper sheet (10) in a welding mode.

5. The offshore wind power converter water-cooling heat dissipation system of claim 1, wherein: the number of the water storage tanks (9) is four, and the water storage tanks (9), the shunt pipes (8) and the drain pipes (12) form a communicating structure.

6. The offshore wind power converter water-cooling heat dissipation system of claim 1, wherein: the double doors (13) are provided with two doors, and the two doors (13) are symmetrical about a vertical central axis of the cabinet body (7).