Efficient noise reduction structure of wind driven generator

Abstract

The utility model relates to the technical field of wind driven generators, in particular to an efficient noise reduction structure of a wind driven generator. According to the technical scheme, the device comprises a sound-proof cover, a generator and a gearbox are fixedly installed at the bottom of the inner wall of the sound-proof cover, sound-absorbing cotton is fixedly installed on the inner wall of the sound-proof cover, a plurality of penetrating openings are formed in the outer surface of the sound-proof cover at equal intervals, and opening cooling fins are fixedly installed in the penetrating openings; a draught fan, a temperature controller and a temperature sensor are fixedly installed in the soundproof cover, a draught fan input pipe penetrates through the soundproof cover, the tail end of the draught fan input pipe is located outside the soundproof cover, and an air outlet is formed in the side, away from the draught fan, of the lower surface of the soundproof cover. According to the utility model, the efficient noise reduction effect on the generator and the gearbox in the wind driven generator can be realized, and meanwhile, the heat dissipation of the generator and the gearbox is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator technical field, concretely is a kind of efficient wind driven generator's noise reduction structure. BACKGROUND

[0002] Wind driven generator is a kind of electric power equipment for converting wind energy into mechanical energy, and then converting into electric energy, and its working principle is that wind drives blade, and the rotation of blade is transmitted to gear box through transmission shaft, gear box drives generator to work after reducing rotation speed, generator produces induced current under the action of high-speed rotation, realizes the conversion of mechanical energy to electric energy, and wind driven generator, as a kind of clean and renewable energy equipment, plays an increasingly important role in the background of global energy transformation, and it is of great significance to reduce dependence on traditional fossil energy and reduce environmental pollution.

[0003] The gear inside the gear box of the current fan generator will produce noise due to friction and vibration during operation, and the electromagnetic interaction between the rotor and stator in the generator will cause the vibration of motor structure, and then produce noise, so that the wind driven generator will produce larger noise pollution, therefore, we provide a kind of efficient wind driven generator's noise reduction structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of efficient wind driven generator's noise reduction structure, with it can be to wind driven generator in the generator and gear box Play the advantages of efficient noise reduction effect, while ensuring the heat dissipation of generator and gear box, solve the problem that the gear inside the gear box of the current fan generator will produce noise due to friction and vibration during operation, and the electromagnetic interaction between the rotor and stator in the generator will cause the vibration of motor structure, and then produce noise, so that the wind driven generator will produce larger noise pollution.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of efficient wind driven generator's noise reduction structure, including soundproof cover, the bottom of soundproof cover inner wall is fixedly installed with generator and gear box, soundproof cover inner wall is fixedly installed with sound-absorbing cotton, the outer surface of soundproof cover is equidistantly provided with several through holes, and through hole inside fixed installation mouth fin, one inside soundproof cover is fixedly installed with fan, temperature controller and temperature sensor, the fan input pipe penetrates soundproof cover, and the fan input pipe end is located in the outside of soundproof cover, the lower surface of soundproof cover is provided with air outlet on the side away from fan.

[0006] Preferably, the gear box input end is fixedly connected with transmission shaft, the transmission shaft penetrates soundproof cover, and the transmission shaft end is located in the outside of soundproof cover, the gear box output end and generator input end are fixedly connected.

[0007] Preferably, the outer surface of the soundproof cover is provided with a thermal radiation reflection coating.

[0008] Preferably, the lower surface of the soundproof cover is fixedly provided with a connecting seat.

[0009] Preferably, the fan and the temperature sensor are electrically connected with the temperature controller.

[0010] Preferably, the inside of the air outlet is fixedly provided with a protective net.

[0011] Preferably, the end of the fan input pipe is fixedly connected with an elbow pipe, and the end of the elbow pipe is fixedly connected with a dust filter.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a soundproof cover, soundproof cotton, generator, gear box, through -going port, fin, fan, temperature sensor, temperature controller and air outlet are set up, reach the high -efficient noise reduction effect of generator and gear box in wind -driven generator can be to the effect that ensures the heat dissipation of generator and gear box, the fixed connection of transmission shaft end and blade, the blade drives transmission shaft to rotate, and the generator works and generates electricity after gear box reduces the rotating speed, and the generator and gear box are all located in the inside of closed soundproof cover, and the sound -absorbing cotton on the inner wall of soundproof cover has the effect of absorbing noise, so that the noise generated by the generator and gear box is avoided to transmit to the outside, and noise pollution is avoided, the heat in the inside of soundproof cover can be transferred to the outside through the fin, to the heat dissipation effect of generator and gear box, and the temperature in the inside of soundproof cover rises and is detected by the temperature sensor when the fin cannot effectively dissipate the heat in the inside of soundproof cover, and the temperature signal is transmitted to the temperature controller, and the temperature controller controls the fan to work and makes the outside cooling air enter the inside of soundproof cover, and the heat in the inside of soundproof cover is taken away by the cooling air and is discharged from the air outlet, to ensure the heat dissipation of generator and gear box.

[0014] 2、The utility model discloses a protective net is set up, can avoid the small animals such as insects and enter the inside of soundproof cover from the air outlet, prevent the damage to the circuit in the inside of soundproof cover.

[0015] 3、The utility model discloses a dust filter is set up, and before the outside cooling air enters the inside of soundproof cover through the fan, the dust in the cooling air is filtered out through the dust filter, to avoid the dust from entering the inside of soundproof cover and forming dust, influence the operation of power generation equipment. ACCURACY

[0016] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a main section view structure schematic diagram of the utility model;

[0018] Figure 3 It is a main section view structure schematic diagram of the utility model Figure 2 It is an enlarged structure schematic diagram of A;

[0019] Figure 4 It is a main section view structure schematic diagram of the utility model Figure 2 It is an enlarged structure schematic diagram of B.

[0020] The drawing figure label: 1, connecting seat; 2, transmission shaft; 3, sound insulation cover; 4, through hole; 5, fin; 6, sound absorbing cotton; 7, thermal radiation reflection coating; 8, gear box; 9, fan; 10, elbow; 11, dust filter; 12, generator; 13, air outlet; 14, protective net; 15, temperature controller; 16, temperature sensor. Specific implementation

[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0022] Embodiment one

[0023] As Figures 1-4 shown, the utility model discloses a high -efficient wind driven generator's noise reduction structure, including sound insulation cover 3, the bottom of sound insulation cover 3 inner wall is fixedly installed with generator 12 and gear box 8, and the input end of gear box 8 is fixedly connected with transmission shaft 2, and transmission shaft 2 penetrates sound insulation cover 3, and the end of transmission shaft 2 is located outside sound insulation cover 3, and the output end of gear box 8 is fixedly connected with the input end of generator 12, and the end of transmission shaft 2 is fixedly connected with blade, and blade drives transmission shaft 2 to rotate, and gear box 8 drives generator 12 to work and generates electricity after reducing speed, and sound insulation cover 3 inner wall is fixedly installed with sound absorbing cotton 6, and the outer surface of sound insulation cover 3 is equidistantly divided and is provided with a plurality of through holes 4, and fin 5 is fixedly installed in the inside of through hole 4, and one inside sound insulation cover 3 is fixedly installed with fan 9, temperature controller 15 and temperature sensor 16.

[0024] Fan 9 and temperature sensor 16 are electrically connected with temperature controller 15, temperature sensor 16 monitors the temperature inside sound insulation cover 3, and monitoring signal is transmitted to temperature controller 15, and temperature controller 15 controls the operation of fan 9 according to temperature signal, and fan 9 input pipe penetrates sound insulation cover 3, and the end of fan 9 input pipe is located outside sound insulation cover 3, and the side, away from fan 9, of the lower surface of sound insulation cover 3 is provided with air outlet 13, and the outer surface of sound insulation cover 3 is provided with thermal radiation reflection coating 7, and thermal radiation reflection coating 7 plays a reflecting role to the thermal radiation of sunlight, avoids the temperature rise of sound insulation cover 3 due to sunlight irradiation, effectively reduces the temperature inside sound insulation cover 3, and connecting seat 1 is fixedly installed on the lower surface of sound insulation cover 3.

[0025] The utility model discloses when using, generator 12 and gear box 8 all are located the inside of closed sound shield 3, and the sound absorption cotton 6 on sound shield 3 inner wall has the effect of absorbing noise, then avoid the noise transmission to the outside that generator 12 and gear box 8 produce, avoid the noise pollution, the heat in the inside of sound shield 3 can be passed through the fin 5 and is transferred to the outside, to play the heat dissipation effect to generator 12 and gear box 8, and through temperature sensor 16 to the temperature in the inside of sound shield 3 is monitored, when the fin 5 can not effectively remove the heat in the inside of sound shield 3, then the temperature in the inside of sound shield 3 rises and is detected by temperature sensor 16, temperature signal transmission to temperature controller 15, and temperature controller 15 controls the fan 9 to work after making outside cooling air enter the inside of sound shield 3, and cold air takes away the heat in the inside of sound shield 3 and is discharged from the air outlet 13, to ensure the heat dissipation of generator 12 and gear box 8.

[0026] Example two

[0027] As Figures 2-4 The utility model discloses a kind of efficient wind-driven generators of noise reduction structure, compared with example one, the present embodiment further includes that protective net 14 is fixedly installed in air outlet 13, protective net 14 can avoid insects and other small animals from air outlet 13 into the inside of sound shield 3, prevent the damage to the circuit in the inside of sound shield 3, and fan 9 input pipe end is fixedly connected with elbow pipe 10, and elbow pipe 10 end is fixedly connected with dust filter 11.

[0028] In the present embodiment, before outside cold air is entered into the inside of sound shield 3 by fan 9, dust in cold air is filtered by dust filter 11, to avoid dust into the inside of sound shield 3 and form dust, affect the operation of power generation equipment, and elbow pipe 10 makes outside cold air flow from bottom to top into dust filter 11, to avoid rainwater into dust filter 11.

[0029] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiment, the person skilled in the art can make multiple alternative improvements and combinations to the above specific embodiments.

Claims

1. A high-efficiency wind power generator noise reduction structure comprising a soundproof cover (3), characterized in that: The bottom of the inner wall of the soundproof cover (3) is fixedly installed with a generator (12) and a gear box (8), the inner wall of the soundproof cover (3) is fixedly installed with sound-absorbing cotton (6), the outer surface of the soundproof cover (3) is equidistantly and separately provided with a plurality of through holes (4), the through holes (4) are fixedly installed with fin heat sinks (5) inside, one inside the soundproof cover (3) is fixedly installed with a fan (9), a temperature controller (15) and a temperature sensor (16), the input pipe of the fan (9) penetrates the soundproof cover (3), and the tail end of the input pipe of the fan (9) is located outside the soundproof cover (3), and the side, away from the fan (9), of the lower surface of the soundproof cover (3) is provided with an air outlet (13).

2. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The input end of the gear box (8) is fixedly connected with a transmission shaft (2), the transmission shaft (2) penetrates the soundproof cover (3), and the tail end of the transmission shaft (2) is located outside the soundproof cover (3), and the output end of the gear box (8) is fixedly connected with the input end of the generator (12).

3. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The outer surface of the soundproof cover (3) is provided with a heat radiation reflection coating (7).

4. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The lower surface of the soundproof cover (3) is fixedly installed with a connecting seat (1).

5. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The fan (9) and the temperature sensor (16) are electrically connected with the temperature controller (15).

6. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The inside of the air outlet (13) is fixedly installed with a protective net (14).

7. The noise reduction structure of a high-efficiency wind power generator according to claim 1, characterized in that: The tail end of the input pipe of the fan (9) is fixedly connected with an elbow pipe (10), and the tail end of the elbow pipe (10) is fixedly connected with a dust filter (11).

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