Heat dissipation device of wind turbine generator

Abstract

The utility model relates to the technical field of heat dissipation of wind turbine generators, and discloses a heat dissipation device of a wind turbine generator, a fin heat dissipation structure at the upper part of a generator is used as a mounting, positioning and supporting structure, a heat dissipation sleeve and an air inlet end seat are coaxially mounted outside the generator through counterpoint embedding matching end side bolt fastening, the structure is simple, the installation is convenient, and the heat dissipation efficiency is high. After installation, the heat dissipation sleeve and the air inlet end base are matched to form an integrated air duct heat dissipation structure, the integrated air duct heat dissipation structure is matched with the exhaust fan in the air inlet end base to form an active one-way air duct heat dissipation structure, compared with a traditional self-heating air duct type heat dissipation structure, the heat dissipation and cooling effects are better, efficient heat dissipation and cooling of the generator can be achieved, and the service life of the generator is prolonged. And a semicircular flow guide base is arranged in the middle of the air inlet end base, the circulation resistance of air can be reduced through the semicircular flow guide base, efficient circulation of air can be achieved through cooperation with air inlet through holes evenly formed in the upper portion of the heat dissipation sleeve, and the heat dissipation efficiency of the device can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind turbine generator system heat dissipation technical field, concretely is a kind of wind turbine generator system's heat dissipation device. BACKGROUND

[0002] As a kind of safe clean renewable energy, wind energy is more and more valued by people, wind power generation equipment is relied on to capture wind energy, and the kinetic energy is converted into electric power generation equipment, in modern large wind turbine, since single machine power generation power is larger, when generating electricity, the internal heat of wind turbine generator is generated due to work, in order to ensure the operation stability of wind turbine generator, dedicated wind turbine generator heat dissipation device needs to be equipped in wind turbine generator.

[0003] During the operation of wind turbine generator, as the key component of mechanical energy and electric energy conversion, the generator set in wind turbine generator will generate a large amount of working heat, and the working heat dissipation of generator set in the prior art is mainly achieved by air cooling mode, which relies on the air duct structure formed in the wind power bin to realize the working heat dissipation of generator set, but due to the shielding of working components and the installation distribution of generator set, the circulating air has poor heat dissipation effect on generator set, and in summer high temperature environment, due to the limited heat dissipation capacity, the overheating of the unit is easy to occur during continuous operation of the unit, which affects the normal operation of the equipment, therefore, a kind of wind turbine generator heat dissipation device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wind turbine generator heat dissipation device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind turbine generator heat dissipation device, including the heat dissipation mechanism for the working heat dissipation of wind turbine generator, the heat dissipation mechanism is installed on the outside of the generator of wind turbine generator, and the heat dissipation mechanism includes air inlet end seat, exhaust fan and heat dissipation cylinder sleeve;

[0006] The heat dissipation cylinder sleeve is connected and installed in the front of air inlet end seat, the upper part of the heat dissipation cylinder sleeve is provided with mounting groove and air inlet hole, the mounting groove is arranged on the inner circumferential side of the heat dissipation cylinder sleeve, the outer circumferential side of the generator is provided with heat dissipation fin, and the heat dissipation cylinder sleeve is supported and installed by embedding the heat dissipation fin on the upper part of the generator through the mounting groove;

[0007] The air inlet hole is circular, the air inlet hole is evenly and circularly arranged on the barrel wall side of the heat dissipation cylinder sleeve, the inside of the air inlet end seat is provided with semicircular flow guide seat, the semicircular flow guide seat is semicircular for the flow of air, the semicircular flow guide seat is provided with communication air groove on the edge side of support, and the exhaust fan is supported and installed in the inside of air inlet end seat through the semicircular flow guide seat.

[0008] As preferred, the heat dissipation cylinder sleeve is in the shape of a sleeve, and is fixedly installed at the front end of the air inlet end base.

[0009] As preferred, the mounting grooves are circumferentially and uniformly arranged at the inner circumferential side of the heat dissipation cylinder sleeve, and are located between the adjacent two groups of air inlet holes.

[0010] As preferred, the heat dissipation fins are circumferentially and uniformly fixedly installed at the outer circumferential side of the generator, and the mounting grooves correspond to the positions of the heat dissipation fins, and the heat dissipation fins are embeddedly connected with the mounting grooves after installation.

[0011] As preferred, the semicircular flow guide base is fixedly installed at the middle part of the front side of the air inlet end base, the semicircular flow guide base seat side is provided with a bolt mounting hole, the bolt mounting hole is internally provided with a fastening bolt column, and the air inlet end base is fixedly connected with the rear part of the generator through the fastening bolt column.

[0012] As preferred, the communication air slot is arranged at the outer edge side of the support of the semicircular flow guide base, and the air inlet end base is communicated with the rear part of the heat dissipation cylinder sleeve through the communication air slot.

[0013] As preferred, the rear end head of the semicircular flow guide base is provided with a flat surface, the support part of the exhaust fan is fixedly installed with the rear end head of the semicircular flow guide base through a bolt, and the rear opening side of the air inlet end base is provided with a fan guard.

[0014] Compared with the prior art, the above technical scheme has the following technical effects:

[0015] The heat dissipation device adopts a sleeve outer mounting structure, the fin heat dissipation structure on the upper part of the generator is used as a mounting and positioning support structure, the heat dissipation cylinder sleeve and the air inlet end base are coaxially installed on the outside of the generator through the end side bolt fastening of the positioning and embedding cooperation, the structure is simple and convenient to install, after installation, the heat dissipation cylinder sleeve and the air inlet end base are cooperated to form an integrated air duct heat dissipation structure, the exhaust fan in the air inlet end base forms a driven one-way air duct heat dissipation structure, compared with the traditional self-heating air duct heat dissipation structure, the heat dissipation device has better heat dissipation and cooling effect, can realize efficient heat dissipation and cooling of the generator, and the generator can work and operate more stably and reliably, and the semicircular flow guide base is arranged at the middle part of the air inlet end base, the air flow resistance is reduced through the semicircular flow guide base, the air inlet holes are uniformly arranged on the upper part of the heat dissipation cylinder sleeve, and efficient air circulation is realized, which is beneficial to improving the heat dissipation efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Figure 1 It is a schematic diagram of the working installation structure of the present application and the wind turbine generator set.

[0018] Figure 2 It is a schematic diagram of the installation and disassembly structure of the present application and the wind turbine generator set.

[0019] Figure 3 It is a schematic diagram of the overall front side three-dimensional structure of the present application.

[0020] Figure 4 It is a schematic diagram of the overall rear side three-dimensional structure of the present application.

[0021] Figure 5 It is a schematic diagram of the overall middle section structure of the present application.

[0022] The figure mark explanation: 1, the air inlet end seat; 2, exhaust fan; 3, heat dissipation cylinder sleeve; 4, air inlet through hole; 5, installation groove; 6, semicircular flow guide seat; 7, communication air groove; 8, bolt mounting hole; 9, fan guard. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] EMBODIMENT

[0025] Please refer to Figures 1-5 The present application provides a technical solution: a heat dissipation device of a wind turbine generator set, which comprises a heat dissipation mechanism for heat dissipation of the wind turbine generator set, as shown in the accompanying Figure 1 The heat dissipation mechanism is installed outside the generator of the wind turbine generator set for heat dissipation of the generator, and the heat dissipation mechanism comprises an air inlet end seat 1, an exhaust fan 2 and a heat dissipation cylinder sleeve 3, as shown in the accompanying Figure 3As shown, the heat dissipation cylinder sleeve 3 is communicated and installed in the front of the air inlet end seat 1. The heat dissipation cylinder sleeve 3 can be a stainless steel cylinder sleeve. The heat dissipation cylinder sleeve 3 is fixedly installed at the front end of the air inlet end seat 1. In order to facilitate the connection and installation with the generator, an installation groove 5 is arranged at the upper part of the heat dissipation cylinder sleeve 3. The installation groove 5 is uniformly arranged on the inner circumferential side of the heat dissipation cylinder sleeve 3 in a circumferential shape. The heat dissipation fins are fixedly installed on the outer circumferential side of the generator in a circumferential shape. The installation groove 5 corresponds to the position of the heat dissipation fins. After installation, the heat dissipation fins are embedded and connected with the installation groove 5. The heat dissipation cylinder sleeve 3 is embedded and supported and installed with the heat dissipation fins arranged on the upper part of the generator through the installation groove 5. The installation structure of the outer sleeve is adopted. The fin heat dissipation structure on the upper part of the generator is used as the installation positioning support structure. The heat dissipation cylinder sleeve 3 and the air inlet end seat 1 are coaxially installed on the outside of the generator through the embedded and matched end side bolt fastening. The structure is simple and convenient to install.

[0026] In order to facilitate air circulation, as shown in the accompanying drawings Figure 3 As shown, an air inlet through hole 4 is arranged at the upper part of the heat dissipation cylinder sleeve 3. The air inlet through hole 4 is uniformly and penetratively arranged on the cylinder wall side of the heat dissipation cylinder sleeve 3 in a circumferential shape. The air inlet through hole 4 is located between the adjacent two groups of installation grooves 5. External air can be efficiently transported into the air slot between the adjacent two groups of heat dissipation fins. In order to realize air circulation and flow guide, as shown in the accompanying drawings Figure 5 As shown, a semicircular flow guide seat 6 is arranged in the inside of the air inlet end seat 1. In order to realize air circulation, a communication air slot 7 is penetratively arranged on the outer edge side of the support seat of the semicircular flow guide seat 6. The air inlet end seat 1 is communicated with the rear part of the heat dissipation cylinder sleeve 3 through the communication air slot 7. In order to be connected and installed with the generator, a bolt installation hole 8 is penetratively arranged on the seat side of the semicircular flow guide seat 6. A fastening bolt column is installed in the inside of the bolt installation hole 8. The air inlet end seat 1 is fixedly connected with the rear part of the generator through the fastening bolt column. After installation, an integrated air duct heat dissipation structure is formed by the heat dissipation cylinder sleeve 3 and the air inlet end seat 1. The active one-way air duct heat dissipation structure is formed by cooperating with the exhaust fan 2 in the air inlet end seat 1. Compared with the traditional self-heating air duct heat dissipation structure, the heat dissipation structure has better heat dissipation and cooling effect. The efficient heat dissipation and cooling of the generator can be realized. The unit can work more stably and reliably.

[0027] As shown in the accompanying drawings Figure 5 As shown, the semicircular flow guide seat 6 is in a semicircular shape. The semicircular flow guide seat 6 is fixedly installed on the front side of the air inlet end seat 1. The air circulation resistance can be reduced through the semicircular flow guide seat 6. The air inlet through hole 4 arranged on the upper part of the heat dissipation cylinder sleeve 3 can realize efficient air circulation. It is beneficial to improve the device heat dissipation efficiency. In order to facilitate the connection and installation of the exhaust fan 2, the rear end head of the semicircular flow guide seat 6 is flatly arranged. The support part of the exhaust fan 2 is fixedly installed with the rear end head of the semicircular flow guide seat 6 through a bolt. In order to install and protect the exhaust fan 2, a fan guard 9 is fixedly installed on the rear opening side of the air inlet end seat 1 through a bolt.

[0028] The working principle or structural principle, during installation, the heat dissipation cylinder sleeve 3 is lifted as a whole with the air inlet end seat 1, the mounting groove 5 on the inner circumferential side of the heat dissipation cylinder sleeve 3 is aligned with the heat dissipation fins outside the generator, then the device is installed outside the generator by horizontal pushing, then the fastening bolt column is inserted and connected into the inside of the bolt mounting hole 8 in the open state of the fan guard 9, then the device is fixed and installed with the generator by screwing and fastening, after completion, the fan guard 9 is reset and the working connection is connected to complete the installation work;

[0029] During work, the exhaust fan 2 works, air is sucked from the side of the heat dissipation cylinder sleeve 3, external air enters the heat dissipation cylinder sleeve 3 through the air inlet hole 4 through the communication of the communication air slot 7 and the air inlet hole 4, then the air flows in a certain direction to take away the heat on the upper part of the heat dissipation fins, then enters the air inlet end seat 1 through the communication air slot 7, the air is guided and collected through the semicircular flow guide seat 6, flows through the exhaust fan 2 and is discharged from the rear of the air inlet end seat 1, completes the heat dissipation cycle, after a certain period of work, the reverse air flow can be realized by reversing the exhaust fan 2, the auxiliary cleaning of the heat dissipation cylinder sleeve 3 can be realized by the reverse air impact, and the cleaning and maintenance period of the equipment is prolonged.

[0030] In summary, the heat dissipation device adopts a cylinder sleeve outer installation structure, the fin heat dissipation structure on the upper part of the generator is used as an installation positioning support structure, the heat dissipation cylinder sleeve 3 and the air inlet end seat 1 are coaxially installed outside the generator by positioning and fitting side bolt fastening, the structure is simple and convenient to install, after installation, the heat dissipation cylinder sleeve 3 and the air inlet end seat 1 form an integrated air duct heat dissipation structure, cooperate with the exhaust fan 2 in the air inlet end seat 1 to form a driven one-way air duct heat dissipation structure, compared with the traditional self-heating air duct heat dissipation structure, it has better heat dissipation and cooling effect, can realize efficient heat dissipation and cooling of the generator, makes the unit work more stably and reliably, and the semicircular flow guide seat 6 is arranged in the middle of the air inlet end seat 1, the air flow resistance is reduced by the semicircular flow guide seat 6, and the air inlet hole 4 is uniformly arranged on the upper part of the heat dissipation cylinder sleeve 3, which can realize efficient air flow, which is beneficial to the improvement of the heat dissipation efficiency of the device.

Claims

1. A heat dissipating device for a wind turbine generator, comprising a heat dissipating mechanism for dissipating heat generated by the wind turbine generator in operation, characterized in that: The heat dissipation mechanism is installed outside the generator of the wind turbine, and comprises an air inlet end seat (1), an exhaust fan (2) and a heat dissipation cylinder sleeve (3); The heat dissipation cylinder sleeve (3) is communicated and installed at the front of the air inlet end seat (1), and the upper part of the heat dissipation cylinder sleeve (3) is provided with a mounting groove (5) and an air inlet through hole (4); the mounting groove (5) is arranged on the inner circumferential side of the heat dissipation cylinder sleeve (3); the outer circumferential side of the generator is provided with heat dissipation fins; the heat dissipation cylinder sleeve (3) is supported and installed by being embedded with the heat dissipation fins on the upper part of the generator through the mounting groove (5); The air inlet through hole (4) is a circular hole, and the air inlet through hole (4) is uniformly and circumferentially arranged on the cylinder wall side of the heat dissipation cylinder sleeve (3); the inside of the air inlet end seat (1) is provided with a semicircular flow guide seat (6); the semicircular flow guide seat (6) is semicircular and used for air flow guide; the support edge side of the semicircular flow guide seat (6) is provided with a communication air groove (7); the exhaust fan (2) is supported and installed inside the air inlet end seat (1) through the semicircular flow guide seat (6). The heat dissipation fins are uniformly and circumferentially fixed and installed on the outer circumferential side of the generator; the positions of the mounting grooves (5) correspond to those of the heat dissipation fins; after installation, the heat dissipation fins are embedded and connected with the mounting grooves (5).

2. A heat dissipating device for a wind turbine generator according to claim 1, wherein: The heat dissipation cylinder sleeve (3) is in the form of a cylinder sleeve, and is fixedly installed at the front end of the air inlet end seat (1).

3. A heat dissipating device for a wind turbine generator according to claim 1 or 2, characterized in that: The mounting grooves (5) are uniformly and circumferentially arranged on the inner circumferential side of the heat dissipation cylinder sleeve (3), and are located between two adjacent groups of air inlet through holes (4).

4. A heat dissipating device for a wind turbine generator according to claim 1 or 2, characterized in that: The semicircular flow guide seat (6) is fixedly installed at the middle part of the front side of the air inlet end seat (1); the seat side of the semicircular flow guide seat (6) is provided with a bolt mounting hole (8) penetratingly arranged; a fastening bolt column is arranged in the inside of the bolt mounting hole (8); the air inlet end seat (1) is fixedly connected with the rear part of the generator through the fastening bolt column.

5. A heat dissipating device for a wind turbine generator according to claim 3, wherein: The semicircular flow guide seat (6) is fixedly installed at the middle part of the front side of the air inlet end seat (1); the seat side of the semicircular flow guide seat (6) is provided with a bolt mounting hole (8) penetratingly arranged; a fastening bolt column is arranged in the inside of the bolt mounting hole (8); the air inlet end seat (1) is fixedly connected with the rear part of the generator through the fastening bolt column.

6. A heat dissipating device for a wind turbine generator according to claim 1 or 2 or 5, wherein: The communication air groove (7) is penetratingly arranged on the outer edge side of the support of the semicircular flow guide seat (6); the air inlet end seat (1) is communicated with the rear part of the heat dissipation cylinder sleeve (3) through the communication air groove (7).

7. A heat dissipating device for a wind turbine generator according to claim 3, wherein: The communication air groove (7) is penetratingly arranged on the outer edge side of the support of the semicircular flow guide seat (6); the air inlet end seat (1) is communicated with the rear part of the heat dissipation cylinder sleeve (3) through the communication air groove (7).

8. A heat dissipating device for a wind turbine generator according to claim 4, wherein: The communication air groove (7) is penetratingly arranged on the outer edge side of the support of the semicircular flow guide seat (6); the air inlet end seat (1) is communicated with the rear part of the heat dissipation cylinder sleeve (3) through the communication air groove (7).

9. A heat dissipating device for a wind turbine generator according to claim 1 or 2 or 5, wherein: The rear end head of the semicircular flow guide seat (6) is provided with a flat surface; the support part of the exhaust fan (2) is fixedly installed with the rear end head of the semicircular flow guide seat (6) through a bolt; the rear opening side of the air inlet end seat (1) is provided with a fan guard (9).

10. A heat dissipating device for a wind turbine generator according to claim 3, wherein: The rear end head of the semicircular flow guide base (6) is provided with a plane, the support part of the exhaust fan (2) is fixedly installed with the rear end head of the semicircular flow guide base (6) through bolts, and the rear opening side of the air inlet end base (1) is provided with a fan guard (9).

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