Heat dissipation device for wind driven generator

Abstract

The utility model relates to a heat dissipation device for a wind driven generator. The heat dissipation device comprises a heat conduction pipe arranged in a machine body of the wind driven generator. A liquid inlet and a liquid outlet which are communicated with the heat conduction pipe are respectively formed in the upper side and the lower side of the machine body; a lantern ring is coaxially and rotatably arranged on the machine body, the lantern ring is arranged on the liquid inlet and the liquid outlet in a sleeving mode, and the lantern ring is fixedly connected with an impeller of the wind driven generator; a plurality of through holes are formed in the lantern ring, the motion trails of the through holes intersect with the liquid inlet and the liquid outlet respectively, and a plurality of heat dissipation pipes communicated with the through holes are fixedly arranged on the lantern ring; the impeller drives the lantern ring and the heat dissipation pipe to rotate on the wind driven generator body, heat is absorbed through liquid in the heat conduction pipe, and the liquid in the heat conduction pipe is conveyed into the heat dissipation pipe through the liquid outlet in the lower side of the generator body for heat dissipation. And the liquid which completes heat dissipation in the heat dissipation pipe can enter the heat conduction pipe through the liquid inlet in the upper side of the machine body, so that automatic heat dissipation of the wind driven generator is completed, and the device is simple, efficient, safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field especially, a kind of heat sink for wind driven generator. BACKGROUND

[0002] Generator generates heat in the process of power generation due to the energy conversion inside generator, especially when working for a long time, generator needs to be cooled in time, to avoid equipment damage;And the body and impeller of wind driven generator are located in high altitude, the natural cooling efficiency of mechanism such as heat dissipation plate is low, water chiller greatly increases the quality of the top of wind driven generator, simultaneously increases the cost of wind driven generator construction, and there is certain safety problem.

[0003] Therefore, a heat sink that can automatically cool wind driven generator is needed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of heat dissipation pipe and sleeve ring are rotated in the body of wind driven generator by impeller, heat is absorbed by liquid in heat pipe, liquid in heat pipe is transported to heat dissipation pipe and is cooled by liquid outlet in the lower side of body, and the liquid that is cooled in heat dissipation pipe is received in heat pipe by liquid inlet in the upper side of body, to complete the automatic cooling of wind driven generator, simple and efficient, safe and reliable, convenient to operate the heat sink for wind driven generator.

[0005] The utility model is realized by following technical scheme, provide the heat sink for wind driven generator, including the heat pipe of being set in the body of wind driven generator;The upper and lower sides of body are respectively set with and the liquid inlet and liquid outlet of being connected with heat pipe;Coaxial rotation is set with sleeve ring on the body, sleeve ring is set on liquid inlet and liquid outlet, and sleeve ring and the impeller of wind driven generator are fixedly connected;A plurality of through holes are set on sleeve ring, the movement track of through hole is respectively intersected liquid inlet and liquid outlet, and a plurality of heat dissipation pipes that are connected with through hole are fixedly set on sleeve ring;Heat dissipation pipe and sleeve ring are rotated in the body of wind driven generator by impeller, heat is absorbed by liquid in heat pipe, liquid in heat pipe is transported to heat dissipation pipe and is cooled by liquid outlet in the lower side of body, and the liquid that is cooled in heat dissipation pipe is received in heat pipe by liquid inlet in the upper side of body, to complete the automatic cooling of wind driven generator.

[0006] As optimization, sleeve ring is fixedly provided with a plurality of cooling fins, and the cooling fins are connected with the heat dissipation pipes;The contact area between the heat dissipation pipes and the air is increased by the cooling fins, and the efficiency of heat dissipation is increased.

[0007] As optimization, the ends of the heat dissipation pipes away from the sleeve ring are connected in sequence by the fixing supports;The ends of the heat dissipation pipes away from the sleeve ring are connected by the fixing supports to prevent the heat dissipation pipes from being deformed during rotation.

[0008] As optimization, the end of the sleeve ring close to the impeller is sleeved with a air collector with opening facing the impeller, and the heat dissipation pipe is located at the air outlet end of the air collector; the air speed around the heat dissipation pipe is increased through the air collector, and the heat dissipation efficiency is increased.

[0009] As optimization, a plurality of holes are formed on the heat dissipation fins; the contact area of the heat dissipation fins and air is increased through the holes, and the heat dissipation efficiency is increased.

[0010] The beneficial effects of the utility model are as follows: the sleeve ring and the heat dissipation pipe are driven by the impeller to rotate in the body of the wind driven generator, the liquid in the heat conduction pipe absorbs heat, the liquid in the heat conduction pipe is transported to the heat dissipation pipe through the liquid outlet on the lower side of the body to dissipate heat, and the liquid in the heat dissipation pipe that has completed heat dissipation is received in the heat conduction pipe through the liquid inlet on the upper side of the body, so that the automatic heat dissipation of the wind driven generator is completed; the air speed around the heat dissipation pipe is increased through the air collector, and the heat dissipation efficiency is increased. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a side view sectional view of the utility model;

[0013] As shown in the figure:

[0014] 1, the body, 2, the heat conduction pipe, 3, the sleeve ring, 4, the impeller, 5, the heat dissipation pipe, 6, the heat dissipation fin, 7, the fixed support, 8, the air collector, 101, the liquid inlet, 102, the liquid outlet. DETAILED DESCRIPTION

[0015] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0016] As shown in the figure: Figure 1 And 2 The heat dissipation device for the wind driven generator of the utility model, including the heat conduction pipe 2 that sets up in the body 1 of wind driven generator;The upper and lower sides of the body 1 are respectively provided with the liquid inlet 101 and the liquid outlet 102 that are connected with the heat conduction pipe 2;The sleeve ring 3 is coaxially arranged on the body 1, the sleeve ring 3 is sleeved on the liquid inlet 101 and the liquid outlet 102, and the sleeve ring 3 is fixedly connected with the impeller 4 of the wind driven generator;A plurality of through holes are formed on the sleeve ring 3, the movement tracks of the through holes intersect with the liquid inlet 101 and the liquid outlet 102 respectively, and a plurality of heat dissipation pipes 5 are fixedly arranged on the sleeve ring 3 and connected with the through holes.

[0017] The sleeve ring 3 is connected to the outside of the body 1 by a sealing device, which is known in the art and can be a sealing ring or the like. The liquid inlet 101 is located at the top of the body 1, and the liquid outlet 102 is located at the bottom of the body 1. The heat dissipation pipe 5 is vertically oriented towards the body 1. The heat conducting pipe 2 and the heat dissipation pipe 5 are provided with a liquid for transferring heat. The impeller 4 is coaxially arranged on the body 1.

[0018] When the wind blows, the impeller 4 rotates and drives the heat dissipation pipe 5 to rotate around the body 1. The body 1 generates electricity and dissipates heat, and the liquid in the heat conducting pipe 2 absorbs the heat. When the heat dissipation pipe 5 rotates and passes through the lower side of the body 1, the heat conducting pipe 2 is connected to the heat dissipation pipe 5 through the liquid outlet 102 and the through hole. The liquid in the heat conducting pipe 2 flows into the heat dissipation pipe 5 under the action of gravity. The heat dissipation pipe 5 rotates around the body 1 and dissipates heat, and the air flows and carries away the heat. When the heat dissipation pipe 5 rotates and passes through the upper side of the body 1, the heat dissipation pipe 5 is connected to the heat conducting pipe 2 through the liquid inlet 101 and the through hole. The liquid in the heat dissipation pipe 5 flows back into the heat conducting pipe 2 under the action of gravity, thereby completing the automatic heat dissipation of the wind power generator.

[0019] As shown in Figure 1 and 2 The sleeve ring 3 is provided with a plurality of heat dissipation fins 6, and the heat dissipation pipe 5 is connected to the heat dissipation fins 6. The heat dissipation fins 6 are vertically oriented towards the body 1. The heat dissipation fins 6 have a hollow structure, and the inner cavity of the heat dissipation fins 6 is the inner cavity of the heat dissipation pipe 5.

[0020] The heat dissipation pipe 5 dissipates heat through the heat dissipation fins 6.

[0021] As shown in Figure 1 and 2 The end of the heat dissipation pipe 5 away from the sleeve ring 3 is connected in sequence through the fixed support 7. The fixed support 7 has a tubular structure and is coaxially arranged on the body 1. The heat dissipation pipe 5 and the heat dissipation fins 6 are located between the fixed support 7 and the sleeve ring 3. The heat dissipation fins 6, the fixed support 7 and the sleeve ring 3 form an air flow channel.

[0022] The air passes between the fixed support 7 and the sleeve ring 3 and carries away the heat on the heat dissipation pipe 5 and the heat dissipation fins 6.

[0023] As shown in Figure 1 The end of the sleeve ring 3 close to the impeller 4 is provided with a wind collector 8 with an opening facing the impeller 4, and the heat dissipation pipe 5 is located at the air outlet end of the wind collector 8. The wind collector 8 has a conical cylindrical structure, and the wind collector 8 is coaxially fixed to the sleeve ring through the heat dissipation pipe 5 and the heat dissipation fins 6. The end of the wind collector 8 with a larger diameter is vertically oriented towards the impeller 4, and the end of the wind collector 8 with a smaller diameter is connected to the air flow channel between the fixed support 7 and the sleeve ring 3.

[0024] The air flows through the wind collector 8 and its flow rate increases under the guidance of the wind collector 8. The accelerated air flows through the heat dissipation fins 6 and carries away the heat.

[0025] AsFigure 1 The heat dissipation fin 6 is provided with a plurality of holes; the heat dissipation pipes 5 are respectively arranged on two sides of the holes; the contact area of the heat dissipation fin 6 and air is increased through the holes, and the heat dissipation efficiency is increased.

[0026] In the actual production process, when the wind blows, the impeller 4 rotates and drives the heat dissipation pipes 5 to rotate around the machine body 1 through the sleeve ring 3; the machine body 1 generates electricity and dissipates heat, and the liquid in the heat conduction pipe 2 absorbs heat; when the heat dissipation pipes 5 rotate and pass through the lower side of the machine body 1, the heat conduction pipe 2 is connected with the heat dissipation pipes 5 through the liquid outlet 102 and the through hole, and the liquid in the heat conduction pipe 2 enters the heat dissipation pipes 5 under the action of gravity; the heat dissipation pipes 5 rotate around the machine body 1 and dissipate heat through the heat dissipation fin 6, the airflow passes through the air collector 8 and increases the flow rate under the guidance of the air collector 8, the airflow after acceleration passes through the heat dissipation fin 6 and carries away heat; when the heat dissipation pipes 5 rotate and pass through the upper side of the machine body 1, the heat dissipation pipes 5 are connected with the heat conduction pipe 2 through the liquid inlet and outlet 101 and the through hole, and the liquid in the heat dissipation pipes 5 flows back into the heat conduction pipe 2 under the action of gravity, so that the automatic heat dissipation of the wind driven generator is completed.

[0027] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model, the preferred embodiments of the utility model are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A heat dissipating device for a wind power generator, comprising a heat conducting pipe (2) arranged in a body (1) of the wind power generator; characterized in that: The upper and lower sides of the body (1) are respectively provided with liquid inlet (101) and liquid outlet (102) which are communicated with the heat pipe (2); the body (1) coaxially rotates with the sleeve ring (3), the sleeve ring (3) is sleeved on the liquid inlet (101) and the liquid outlet (102), and the sleeve ring (3) is fixedly connected with the impeller (4) of the wind driven generator; a plurality of through holes are formed in the sleeve ring (3), the movement tracks of the through holes respectively intersect the liquid inlet (101) and the liquid outlet (102), and a plurality of heat dissipation pipes (5) which are communicated with the through holes are fixedly arranged on the sleeve ring (3).

2. The heat dissipating device for a wind power generator according to claim 1, characterized in that: The sleeve ring (3) is fixedly provided with a plurality of heat dissipation fins (6), and the heat dissipation pipes (5) are connected with the heat dissipation fins (6).

3. The heat dissipating device for a wind power generator according to claim 1, characterized in that: The ends of the heat dissipation pipes (5) away from the sleeve ring (3) are sequentially connected through the fixing supports (7).

4. The heat dissipating device for a wind power generator according to claim 1, characterized by: The end of the sleeve ring (3) close to the impeller (4) is sleeved with the air collecting funnel (8) which is open towards the impeller (4), and the heat dissipation pipes (5) are located at the air outlet end of the air collecting funnel (8).

5. The heat dissipating device for a wind power generator according to claim 2, characterized by: A plurality of holes are formed in the heat dissipation fins (6).

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