High-speed brake temperature protection device for wind turbine generator

Abstract

The utility model belongs to the technical field of wind turbine generators, particularly relates to a high-speed brake temperature protection device of a wind turbine generator, and aims to solve the problems that a certain distance exists between existing equipment and a high-speed brake pad of the wind turbine generator, a rapid heat transfer behavior cannot be carried out, and the efficiency of cooling and heat absorption is not high. The cooling device comprises an equipment box, a fixing structure is arranged at the top of one side of the equipment box, a cooling structure is arranged in the equipment box and comprises a cold air outlet formed in the equipment box and far away from the top of one end of the fixing structure, an evaporator is installed in the equipment box through bolts and corresponds to the cold air outlet, and the evaporator is connected with a compressor through a pipe fitting; the compressor is installed on the equipment box through bolts. The cooling fan is controlled by the cooling motor to generate air flow, the air flow is cooled through the evaporator, cold air flow is blown out, heat on the periphery of the brake pad is reduced, and the cooling efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine sets, in particular to a high-speed brake temperature protection device for wind turbine sets. Background Art

[0002] The high-speed brake of a wind turbine generator set cooperates with the high-speed shaft brake disc for emergency braking or temporary maintenance braking. The high-speed brake can be hydraulically engaged or released. When releasing the brake, the brake pads of the high-speed brake do not contact the high-speed shaft brake disc. However, when a fault occurs, the brake pads of the high-speed brake cannot return to the normal release position when releasing the brake, causing the brake pads to contact the high-speed shaft brake disc, and friction generates heat, generating high temperatures, and even causing circuit failures or even disasters. In order to avoid circuit failures, a high-speed brake temperature protection device for wind turbines is required.

[0003] After searching, a patent with publication number CN220151773U discloses a high-speed brake temperature protection device for a wind turbine, including a wind turbine brake body, both sides of the wind turbine brake body are connected with heat dissipation fins by screw threads, one side of the heat dissipation fin is fixedly connected with a cooling component, one side of the cooling component is connected with a fixed plate by screw threads, one side of the fixed plate is fixedly connected with a fan component, and one side of the surface of the wind turbine brake body is fixedly connected with a temperature sensing component.

[0004] There is a certain distance between the existing equipment and the high-speed brake pads of the wind turbine, and rapid heat transfer cannot be carried out, resulting in low efficiency in cooling and absorbing heat. Therefore, we propose a wind turbine high-speed brake temperature protection device to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the shortcoming of being unable to absorb heat at a close distance, and proposes a high-speed brake temperature protection device for a wind turbine set.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-speed brake temperature protection device for a wind turbine generator set, comprising an equipment box, a fixing structure is arranged on the top of one side of the equipment box, and a cooling structure is arranged inside the equipment box;

[0007] The cooling structure includes a cold air outlet opened in the equipment box and away from the top of one end of the fixed structure, an evaporator is installed inside the equipment box and corresponding to the cold air outlet by bolts, the evaporator is connected to a compressor through a pipe fitting, the compressor is installed to the equipment box by bolts, the bottom end of the compressor is connected to a condenser through the pipe fitting, the condenser is installed to the equipment box by bolts, the other end of the condenser is plugged with an expansion valve, the other end of the expansion valve is plugged with the other end of the evaporator through the pipe fitting, a cooling motor is installed at one end of the interior of the equipment box and corresponding to the evaporator by bolts, and the other end of the cooling motor is plugged with a cooling fan through a rotating shaft.

[0008] Preferably, the cooling structure further includes a radiator plugged into the equipment box and corresponding to one end of the condenser.

[0009] Preferably, a heat dissipation motor is fixedly mounted in a through hole opened inside the radiator by three evenly welded fixing frames, and a heat dissipation fan is plugged into an end of the heat dissipation motor close to the condenser through a driving shaft.

[0010] Preferably, a temperature monitor is installed on the outside of the equipment box by means of screws, and the temperature monitor is electrically connected to the cooling structure by means of a wire.

[0011] Preferably, the fixing structure comprises two connection blocks symmetrically welded to the top of one end of the equipment box, and support rods are rotatably mounted inside the two connection blocks through adjusting bolts.

[0012] Preferably, the tops of the two support rods are both mounted with the same mounting plate by welding.

[0013] Preferably, mounting bolts are inserted through threaded holes at the four inner corners of the mounting plate.

[0014] In the utility model, a wind turbine high-speed brake temperature protection device is described:

[0015] 1. The utility model controls the cooling fan to generate airflow through the cooling motor, and then absorbs the low temperature of the internal coolant through the evaporator, and then performs cooling behavior to blow out cold airflow to reduce the heat around the brake pad and effectively improve the cooling efficiency;

[0016] 2. The utility model adjusts the angle between the two support rods and the two connecting blocks through two adjusting bolts, so as to control and adjust the angle of the cold air outlet on the equipment box, thereby avoiding the problem of cold air waste due to inaccurate angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the structure of a high-speed brake temperature protection device for a wind turbine set proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of the internal part of a high-speed brake temperature protection device for a wind turbine set proposed by the utility model;

[0019] Figure 3 The utility model provides a schematic structural diagram of the heat sink portion of a wind turbine high-speed brake temperature protection device.

[0020] In the figure: 1. Equipment box; 2. Fixed structure; 201. Connection block; 202. Adjustment bolt; 203. Support rod; 204. Mounting plate; 205. Mounting bolt; 3. Cooling structure; 301. Cold air outlet; 302. Evaporator; 303. Compressor; 304. Condenser; 305. Expansion valve; 306. Radiator; 307. Fixed bracket; 308. Cooling motor; 309. Cooling fan; 3010. Cooling motor; 3011. Cooling fan; 4. Temperature monitor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 , a wind turbine high-speed brake temperature protection device, comprising an equipment box 1, a fixing structure 2 is arranged on the top of one side of the equipment box 1, and a cooling structure 3 is arranged inside the equipment box 1;

[0023] The cooling structure 3 includes a cold air outlet 301 opened at the top of the equipment box 1 and away from one end of the fixed structure 2. An evaporator 302 is installed inside the equipment box 1 and corresponding to the cold air outlet 301 by bolts. The evaporator 302 is connected to a compressor 303 through a pipe fitting. The compressor 303 is installed on the equipment box 1 by bolts. The bottom end of the compressor 303 is connected to a condenser 304 through a pipe fitting. The condenser 304 is installed on the equipment box 1 by bolts. An expansion valve 305 is plugged into the other end of the condenser 304. The other end of the expansion valve 305 is plugged into the other end of the evaporator 302 through a pipe fitting. A cooling motor 3010 is installed at one end of the interior of the equipment box 1 and corresponding to the evaporator 302 by bolts. A cooling fan 3011 is plugged into the other end of the cooling motor 3010 through a rotating shaft.

[0024] In this embodiment, the cooling structure 3 further includes a radiator 306 plugged into the equipment box 1 and corresponding to one end of the condenser 304 .

[0025] By adopting the above solution, the cooling structure 3 also includes a radiator 306 plugged into the equipment box 1 and corresponding to one end of the condenser 304. The construction line uses the radiator 306 to discharge the heat absorbed by the coolant, thereby achieving a circulating heat dissipation behavior.

[0026] In this embodiment, a heat dissipation motor 308 is fixedly installed in a through hole opened inside the radiator 306 by three evenly welded fixing frames 307 , and a heat dissipation fan 309 is plugged into one end of the heat dissipation motor 308 close to the condenser 304 through a driving shaft.

[0027] By adopting the above scheme, a heat dissipation motor 308 is fixedly installed through three evenly welded fixing frames 307 in the through holes opened inside the radiator 306. A heat dissipation fan 309 is plugged into one end of the heat dissipation motor 308 close to the condenser 304 through a driving shaft, so that the heat dissipation motor 308 controls the heat dissipation fan 309 to blow away the high temperature around the condenser 304, thereby improving the cooling capacity.

[0028] In this embodiment, a temperature monitor 4 is installed on the outside of the equipment box 1 by means of screws, and the temperature monitor 4 is electrically connected to the cooling structure 3 by means of a wire.

[0029] By adopting the above scheme, a temperature monitor 4 is installed on the outside of the equipment box 1 by screws, and the temperature monitor 4 is electrically connected to the cooling structure 3 by a wire, so that the temperature monitor 4 can detect the external temperature change and achieve intelligent control of the cooling structure 3 to implement the cooling behavior.

[0030] In this embodiment, the fixing structure 2 includes two connection blocks 201 symmetrically welded to the top of one end of the equipment box 1 , and support rods 203 are rotatably installed inside the two connection blocks 201 through adjusting bolts 202 .

[0031] By adopting the above solution, the support rods 203 are rotatably installed inside the two connection blocks 201 through the adjusting bolts 202, so as to achieve the support behavior and avoid the problem that the angle cannot be adjusted.

[0032] In this embodiment, the tops of the two support rods 203 are both mounted with a same mounting plate 204 by welding.

[0033] By adopting the above solution, the same mounting plate 204 is mounted on the top of the two support rods 203 by welding, so as to achieve stable fixing behavior and avoid the problem of mutual misalignment.

[0034] In this embodiment, mounting bolts 205 are inserted through threaded holes at the four inner corners of the mounting plate 204 .

[0035] By adopting the above solution, mounting bolts 205 are inserted through threaded holes at the four corners of the mounting plate 204 , so that the mounting plate 204 can be fixed at a designated position by the four mounting bolts 205 .

[0036] In the utility model, when in use, the mounting plate 204 is installed at the specified position by four mounting bolts 205, and the position of the equipment box 1 on the two support rods 203 is adjusted by rotating two adjusting bolts 202, the compressor 303 compresses the condensate inside the evaporator 302 into a high-pressure liquid, and transports it to the condenser 304, the heat dissipation motor 308 controls the heat dissipation fan 309 to absorb the high temperature to achieve heat dissipation, and then the coolant is transported to the expansion valve 305 to convert the high-pressure liquid into a low-pressure gas, and transported to the evaporator 302, the cooling motor 3010 controls the cooling fan 3011 to generate an airflow, and then the low temperature of the internal coolant is absorbed through the evaporator 302, and then the cooling behavior is performed to achieve the blowing of a cold airflow.

[0037] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A wind turbine high-speed brake temperature protection device, comprising a device box (1), characterized in that: A fixing structure (2) is provided on the top of one side of the equipment box (1), and a cooling structure (3) is provided inside the equipment box (1); The cooling structure (3) comprises a cold air outlet (301) opened at the top of one end of the equipment box (1) and away from the fixed structure (2); an evaporator (302) is installed inside the equipment box (1) and corresponding to the cold air outlet (301) by bolts; the evaporator (302) is connected to a compressor (303) by a pipe fitting; the compressor (303) is installed on the equipment box (1) by bolts; and the bottom end of the compressor (303) is connected to a condenser (303) by the pipe fitting. 4), the condenser (304) is installed on the equipment box (1) by means of bolts, the other end of the condenser (304) is plugged with an expansion valve (305), the other end of the expansion valve (305) is plugged with the other end of the evaporator (302) through the pipe fitting, a cooling motor (3010) is installed at one end of the interior of the equipment box (1) corresponding to the evaporator (302) by means of bolts, and the other end of the cooling motor (3010) is plugged with a cooling fan (3011) through a rotating shaft.

2. A wind turbine high-speed brake temperature protection device according to claim 1, characterized in that: The cooling structure (3) also includes a radiator (306) plugged into the equipment box (1) and corresponding to one end of the condenser (304).

3. A wind turbine high-speed brake temperature protection device according to claim 2, characterized in that: A heat dissipation motor (308) is fixedly mounted in a through hole opened inside the radiator (306) via three evenly welded fixing frames (307), and a heat dissipation fan (309) is plugged into one end of the heat dissipation motor (308) close to the condenser (304) via a driving shaft.

4. A wind turbine high-speed brake temperature protection device according to claim 1, characterized in that: A temperature monitor (4) is installed on the outside of the equipment box (1) by means of screws, and the temperature monitor (4) is electrically connected to the cooling structure (3) by means of a wire.

5. A wind turbine high-speed brake temperature protection device according to claim 1, characterized in that: The fixing structure (2) comprises two connection blocks (201) symmetrically welded to the top of one end of the equipment box (1), and support rods (203) are rotatably mounted inside the two connection blocks (201) via adjusting bolts (202).

6. A wind turbine high-speed brake temperature protection device according to claim 5, characterized in that: The tops of the two support rods (203) are both mounted with a same mounting plate (204) by welding.

7. A wind turbine high-speed brake temperature protection device according to claim 6, characterized in that: The four inner corners of the mounting plate (204) are all connected with mounting bolts (205) through threaded holes that penetrate through them.

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