CN214887498U

CN214887498U - Wind driven generator shell casting with multiple heat dissipation structures

Info

Publication number: CN214887498U
Application number: CN202121352288.0U
Authority: CN
Inventors: 赵根龙; 王正阳
Original assignee: Henan Keneng New Material Co ltd
Current assignee: Henan Keneng New Material Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-26
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a wind driven generator outer shell casting with multiple heat dissipation structures, which comprises an outer shell and an inner shell penetrating into the outer shell, wherein the outer shell is connected with the inner shell through a first fixing piece, a plurality of groups of first heat dissipation holes communicated with the inner part of the inner shell are arranged on the outer edge surface of the inner shell, a heat dissipation channel is formed between the outer shell and the inner shell, an end cover is fixed at one end of the outer shell and the inner shell, which are far away from the first fixing piece, through a second fixing piece, a second heat dissipation hole communicated with the heat dissipation channel is arranged on the end cover, and holes for supporting the rotation of a rotor are arranged on the inner shell and the end cover; the utility model discloses well aerogenerator in time looses the heat through first louvre, heat dissipation channel and the cooperation of second louvre, avoids the normal work of too high heat influence aerogenerator, improves aerogenerator life.

Description

Wind driven generator shell casting with multiple heat dissipation structures

Technical Field

The utility model belongs to the technical field of aerogenerator, a aerogenerator shell foundry goods with many heat radiation structure is related to.

Background

The wind power generator is a device for converting wind energy into electric energy, and is mainly divided into a horizontal axis wind turbine and a vertical axis wind turbine. The horizontal axis wind turbine is a widely-used wind turbine at present and is a main form of wind energy utilization. In order to operate stably, some small and medium-sized wind turbines and megawatt-level wind turbines thereof adopt a three-blade structure, namely, 3 blades are arranged on one impeller, and the three blades are symmetrically distributed around the center of a hub.

In modern aerogenerator, along with aerogenerator generated power's increase, the heat that aerogenerator inside part produced is more and more, and too high temperature influences the generating efficiency of generator, and the heat is dispelled and is not gone out and just lead to the ageing speed of generator component to accelerate, has reduced aerogenerator's life, for solving above-mentioned problem, the utility model provides an aerogenerator shell foundry goods with many heat radiation structure.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a aerogenerator shell foundry goods with many heat radiation structure.

In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides a aerogenerator shell foundry goods with many heat radiation structure, includes the shell and wears to establish the inner shell in the shell, connect through first mounting between shell and the inner shell, the first louvre of multiunit rather than inside intercommunication is seted up to the inner shell outer fringe face, form heat dissipation channel between shell and the inner shell, the one end that first mounting was kept away from to shell and inner shell is fixed with the end cover through the second mounting, set up the second louvre with heat dissipation channel intercommunication on the end cover, support rotor pivoted hole has all been seted up on inner shell and the end cover.

Furthermore, the first fixing piece comprises a fixing seat fixed on the outer edge of the inner shell and a threaded hole formed in the outer shell corresponding to the fixing seat, and the outer shell is connected with the fixing seat through a bolt.

Furthermore, the second fixing piece comprises a fixing lug fixed on the outer edge of the shell and a through hole formed in the end cover corresponding to the fixing seat, and the fixing lug is connected with the end cover through a bolt.

Furthermore, the end cover is provided with annular grooves corresponding to the end parts of the outer shell and the inner shell respectively, and one ends of the outer shell and the inner shell close to the end cover are inserted into the annular grooves.

Furthermore, blades are fixed on a rotating shaft of the rotor, which is far away from the end cover, the rotor drives the blades to rotate to form wind which can be blown into the heat dissipation channel, and a blade cover capable of covering the blades is arranged at one end, which is far away from the end cover, of the inner shell.

Further, a shielding piece is arranged between the outer shell and the inner shell, an opening is formed in one end, facing the end cover, of the shielding piece, and the shielding piece is communicated with the first heat dissipation hole and the heat dissipation channel.

Furthermore, radiating fins are uniformly distributed on the outer edge of the shell

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses well aerogenerator in time looses the heat through first louvre, heat dissipation channel and the cooperation of second louvre, avoids the normal work of too high heat influence aerogenerator, improves aerogenerator life.

2. The outer shell can prevent dust in the air from falling on the inner shell for a long time to influence the heat dissipation efficiency; meanwhile, the outer shell can prevent dust from directly falling into the inner shell through the first heat dissipation holes, and the stable operation of the wind driven generator is guaranteed.

3. When the wind driven generator works, the rotor drives the blades to rotate, and wind formed by the rotation of the blades is blown into the heat dissipation channel, so that the heat dissipation efficiency of the wind driven generator can be improved; meanwhile, an additional heat dissipation device is not needed to be additionally arranged, and energy loss is reduced.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along A-A in FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is a cross-sectional view B1-B1 of FIG. 3;

fig. 5 is a rear view of the present invention.

In the figure: the heat dissipation device comprises an outer shell (1), an inner shell (2), first heat dissipation holes (3), a heat dissipation channel (4), an end cover (5), second heat dissipation holes (6), a fixing seat (7), fixing lugs (8), blades (9), a blade cover (10), a shielding piece (11) and heat dissipation fins (12).

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.

As shown in fig. 1-5, the technical solution adopted by the present invention is as follows: a wind power generator outer shell casting with a multi-heat dissipation structure comprises an outer shell 1 and an inner shell 2 penetrating through the outer shell 1, wherein the outer shell 1 is of a cylindrical structure, the inner shell 2 is of a barrel-shaped structure, the outer shell 1 and the inner shell 2 are connected through a first fixing piece, the outer edge surface of the inner shell 2 is provided with a plurality of groups of first heat dissipation holes 3 communicated with the inner part of the inner shell, the first heat dissipation holes 3 are beneficial to timely discharging heat generated after the wind power generator works for a long time, the influence of overhigh temperature on the power generation efficiency of the wind power generator is avoided, a heat dissipation channel 4 is formed between the outer shell 1 and the inner shell 2, the heat dissipation channel 4 is beneficial to timely discharging the heat discharged from the first heat dissipation holes 3, the outer shell 1 can avoid dust from covering the surface of the inner shell 2 and affecting the heat dissipation of the wind power generator, and simultaneously avoid the dust from directly falling into the inner shell 2 through the first heat dissipation holes 3, the stable work of the rotor is ensured; the one end that first mounting was kept away from to shell 1 and inner shell 2 is fixed with end cover 5 through the second mounting, set up the second louvre 6 with heat dissipation channel 4 intercommunication on the end cover 5, all set up on 2 barrel bottom surfaces of inner shell and the end cover 5 and support rotor pivoted hole, this end cover 5 is convenient for the installation and the maintenance of rotor.

In this embodiment, first mounting includes the fixing base 7 of a plurality of integrated into one piece at the outer fringe of inner shell 2 keep away from end cover 5 one end, every fixing base 7 equipartition is in the outer fringe of inner shell 2, set up the screw hole that corresponds with fixing base 7 on the shell 1, during the installation, a screw hole corresponds fixing base 7, and finally through the bolt with shell 1 and fixing base 7 fixed mounting together.

In this embodiment, the second mounting includes that a plurality of integrated into one piece are close to the fixed ear 8 of the outer fringe of 5 one ends of end cover at shell 1, every set up threaded hole on the fixed ear 8 to a plurality of fixed ear 8 equipartitions are in the outer fringe of shell 1, set up the through-hole that corresponds with fixed ear 8 on the end cover 5, during the installation, a through-hole corresponds a fixed ear 8, passes the 5 through-holes of end cover with the bolt, then threaded connection is in the threaded hole of fixed ear 8, and at last the reuse nut carries out the secondary fastening.

In this embodiment, set up the ring channel that corresponds with shell 1 and inner shell 2 respectively on the end cover 5, the one end that shell 1 and inner shell 2 are close to end cover 5 is pegged graft in the ring channel, improves the joint strength between shell 1 and inner shell 2 and the end cover 5, carries out radial spacing to shell 1 and inner shell 2 simultaneously, guarantees that aerogenerator operates stably.

In this embodiment, a rotating shaft of the rotor away from the end cover 5 is fixed with a blade 9, the rotor drives the blade 9 to rotate to form wind which can be blown into the heat dissipation channel 4, so as to accelerate the dissipation of heat of the wind driven generator, one end of the inner shell 2 away from the end cover 5 is provided with a blade cover 10 which can cover the blade 9, the blade cover 10 is provided with a through hole for air to enter, and during installation, the blade cover 10 is fixed on the fixing seat 7 through a bolt.

In this embodiment, a shielding member 11 is arranged between the outer shell 1 and the inner shell 2, the shielding member 11 includes a clamping plate and a plurality of C-shaped plates integrally formed on the clamping plate, openings of the C-shaped plates face the end cover 5, each C-shaped plate corresponds to each first heat dissipation hole 3, the C-shaped plates and the clamping plate are matched to shield the first heat dissipation holes 3, and the openings of the C-shaped plates are communicated with the first heat dissipation holes 3 and the heat dissipation channel 4, because dust is suspended in air, the dust can enter the heat dissipation channel 4 along with wind formed by rotation of the blades 9, the dust is easily accumulated for a long time and enters the inner shell 2 through the first heat dissipation holes 3, and the shielding member 11 can prevent the dust from falling into the first heat dissipation holes 3, thereby ensuring stable operation of the wind driven generator;

when the shielding piece 11 is installed, a slot is preset in the inner wall of the shell 1 corresponding to the first heat dissipation hole 3, the shielding piece 11 is inserted into the slot until the bottom end of the slot is inserted, and finally the end cover 5 is installed to fix the shielding piece 11.

In this embodiment, radiating fins 12 are uniformly distributed on the outer edge of the housing 1, and the radiating fins 12 can further accelerate the dissipation of heat in the radiating channel 4, thereby prolonging the service life of the wind driven generator.

In this embodiment, the bottom of the housing 1 is fixed with a supporting seat, and the supporting seat is used for supporting the housing of the wind driven generator, so as to ensure the stable operation of the wind driven generator.

The utility model discloses when using, 9 and the rotor of blade are together fixed, and aerogenerator is when the operation, and the rotor drives 9 rotations of blade, and in the wind that 9 blades formed blew into heat dissipation channel 4, in time discharged second louvre 6 with the heat that aerogenerator produced, improved aerogenerator's life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a aerogenerator shell foundry goods with many heat radiation structure which characterized in that: including the shell with wear to establish the inner shell in the shell, connect through first mounting between shell and the inner shell, the first louvre of multiunit rather than inside intercommunication is seted up to the inner shell outer fringe face, form heat dissipation channel between shell and the inner shell, the one end that first mounting was kept away from to shell and inner shell is fixed with the end cover through the second mounting, set up the second louvre with heat dissipation channel intercommunication on the end cover, support rotor pivoted hole has all been seted up on inner shell and the end cover.

2. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: the first fixing piece comprises a fixing seat fixed on the outer edge of the inner shell and a threaded hole formed in the outer shell corresponding to the fixing seat, and the outer shell is connected with the fixing seat through a bolt.

3. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: the second fixing piece comprises a fixing lug fixed on the outer edge of the shell and a through hole formed in the end cover corresponding to the fixing seat, and the fixing lug is connected with the end cover through a bolt.

4. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: the end cover is provided with annular grooves corresponding to the end parts of the outer shell and the inner shell respectively, and one ends of the outer shell and the inner shell close to the end cover are inserted into the annular grooves.

5. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: the rotor is fixed with the blade on keeping away from the pivot of end cover, the rotor drives the wind that the blade rotation formed and can blow into in the heat dissipation channel, the one end that the end cover was kept away from to the inner shell is provided with the blade cover that can cover the blade.

6. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: the heat dissipation structure is characterized in that a shielding piece is arranged between the outer shell and the inner shell, an opening is formed in one end, facing the end cover, of the shielding piece, and the shielding piece is communicated with the first heat dissipation hole and the heat dissipation channel.

7. The wind turbine housing casting with multiple heat dissipation structures as defined in claim 1, wherein: radiating fins are uniformly distributed on the outer edge of the shell.