CN218217016U - Small-size airtight permanent magnet generator for wind power generation - Google Patents

Small-size airtight permanent magnet generator for wind power generation Download PDF

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Publication number
CN218217016U
CN218217016U CN202222681314.5U CN202222681314U CN218217016U CN 218217016 U CN218217016 U CN 218217016U CN 202222681314 U CN202222681314 U CN 202222681314U CN 218217016 U CN218217016 U CN 218217016U
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shell
permanent magnet
power generation
wind power
magnet generator
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CN202222681314.5U
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Chinese (zh)
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逄淑强
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Qingdao Richuan Precision Machinery Co ltd
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Qingdao Richuan Precision Machinery Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

The utility model relates to a generator technical field just discloses a small-size airtight permanent magnet generator for wind power generation, including shell one, shell two, the inboard of shell one is provided with stator core, stator core's the left and right sides is provided with stator winding. This airtight permanent magnet generator is used in small-size wind power generation, it rotates to drive the blade through the pivot, make stator core, rotor core outlying heat is respectively through heat dissipation channel, through-hole water conservancy diversion to the cavity in, radiating fin conducts the heat to the external world afterwards, in order to reach the radiating effect increase of service life of rapid cooling, simultaneously through with the bolt setting under the inboard of device and the effect of closed rubber lid, it is not hard up to make the connection position take place to take place in case the bolt exposes the influence that receives external environment in the external world, and at the fixture block, can restrict shell one under the effect of recess, take place to break away from between the shell two, avoid the high-speed rotation of pivot to cause the damage to the device.

Description

Small-size airtight permanent magnet generator for wind power generation
Technical Field
The utility model relates to a generator technical field specifically is a small-size airtight permanent magnet generator for wind power generation.
Background
The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life, the generator has a plurality of forms, but the working principle of the generator is based on the electromagnetic induction law and the electromagnetic force law, therefore, the general principle of the structure is as follows: appropriate magnetic conductive and conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion.
When using the generator, because the generator is in outdoor use, receive the influence that the bolt that shell and back shell were connected to use before the external temperature makes easily, take place not hard up, lead to influencing inside vital part when the in-process that uses takes place to damage and receive the unstable rotation of pivot and damage or reduce life, if the good life and the efficiency that receive external and inside heat production influence device easily of thermal diffusivity in the in-process that uses simultaneously.
The prior art scheme (chinese utility model patent with publication number CN 201721332745.3) discloses a small-sized closed permanent magnet generator for wind power generation, through the setting of kuppe and axial fan, make permanent magnet generator when in operation, axial fan forces the permanent magnet cooling air duct, the rotor cooling air duct, the air in stator cooling air duct and the back shell cooling air duct carries out convection, thereby make full use of the heat transfer surface that the back shell increases, further reduce the temperature of the inside air of generator, make stator and rotor, especially permanent magnet obtain effective cooling, thereby make permanent magnet generator's permanent magnet, electrical property and mechanical property remain reliable, guarantee the power output of generator, prolong permanent magnet generator's life, in the comparison patent, although can carry out the heat transfer, but because the longer heat transfer effect of heat dwell period reduces, the heat that can't in time discharge the production leads to the inside part to receive the influence of heat easily, simultaneously, because the generator is used outdoors, easily receive the influence of the bolt that front shell and back shell connect use when the damage takes place, take place not smooth rotation or reduce the life.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a small-size airtight permanent magnet generator for wind power generation, in order to solve and propose when using the generator in the above-mentioned background art, because the generator is in outdoor use, the bolt that the shell was connected with the back shell and is used before receiving the outside temperature easily makes receives the influence of temperature, take place not hard up, lead to influencing inside important part when the in-process that uses takes place to damage and receive the unstable rotation of pivot and damage or reduce life, simultaneously if the good problem that receives the life and the efficiency of external and inside heat production influence device easily of thermal diffusivity in the in-process that uses.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a small-size airtight permanent magnet generator for wind power generation, includes shell one, shell two, the inboard of shell one is provided with stator core, stator core's the left and right sides is provided with stator winding, stator core's inboard is provided with rotor core, the through-hole has been seted up in rotor core's left side, rotor core's inboard is provided with the pivot, the left end fixed mounting in the pivot outside has the blade, the inboard left side of shell is provided with the cavity, the inboard left side of cavity is provided with radiating fin, the left side fixed mounting of shell one has the cooling lid, the inboard fixed mounting of shell one has the connecting block, the connecting hole has been seted up on shell two's right side, the inboard of connecting hole is provided with the bolt, the right side of bolt is provided with the closed rubber lid, drives the blade through the pivot pivoted simultaneously and rotates for stator core, rotor core peripheral heat respectively through radiating channel, through-hole water conservancy diversion to the cavity, carry the heat to the external world through the cooling fin afterwards to reach the radiating effect of rapid cooling, extension fixture block is taken place to the connection, and the shell two take place the restriction as the quick mounting and the casing damage, when the installation object, be favorable to the high-speed mounting and the casing.
Preferably, the number of the through holes is four, the through holes are of fan-shaped structures, the through holes are respectively arranged on the left side of the rotor core in an annular and equidistant mode, and heat near the rotor core is conveyed favorably.
Preferably, the right side of the cavity is provided with a plurality of vent holes, and the number of the radiating fins is two, and the two radiating fins are respectively arranged at the upper end and the lower end of the right side of the shell, so that heat collection is facilitated.
Preferably, the connecting block always installs four, and annular equidistance is arranged in the right-hand member of shell one inboard respectively, just threaded hole is seted up on the right side of connecting block, is favorable to connecting shell one, shell two.
Preferably, four connecting holes are formed in the connecting block, the four connecting holes are respectively formed in one-to-one correspondence with the connecting blocks, and the size of the bolt is matched with the connecting holes and the threaded holes, so that connection failure caused by different specifications can be avoided.
Preferably, the right side of the first shell is provided with a groove, the left side of the second shell is fixedly provided with a fixture block, the size and the shape of the groove are matched with those of the fixture block, and the inner side of the first shell is provided with a heat dissipation channel which is beneficial to discharging heat near the stator.
Preferably, the bottom sides of the first shell and the second shell are respectively and fixedly provided with a fixed seat, and the top side of the fixed seat is provided with four annular mounting holes which are arranged at equal intervals, so that the device can be mounted at a designated position.
Compared with the prior art, the beneficial effects of the utility model are that:
this small-size airtight permanent magnet generator for wind power generation, it rotates to drive the blade through pivot pivoted simultaneously, make stator core, rotor core outlying heat is respectively through heat dissipation channel, through-hole water conservancy diversion to the cavity in, carry the heat to the external world through radiating fin afterwards, in order to reach the radiating effect of rapid cooling, the life of extension fixture, simultaneously through setting up the bolt under the inboard of device and the effect of closed rubber lid, in case the bolt exposes in the external world, receive external environment's influence and make the connection position take place not hard up, and at the fixture block, can restrict shell one under the effect of recess, take place to break away from between the shell two, avoid the high-speed rotation of pivot to cause the damage to the device, be favorable to regard as the benchmark object when the installation simultaneously, install shell one fast, shell two, the dismouting maintenance of being convenient for.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the front cross-section structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the housing of the present invention;
fig. 4 is a right side view schematic diagram of the housing of the present invention.
In the figure: 1. a first shell; 2. a second shell; 3. a stator core; 4. a stator winding; 5. a rotor core; 6. a through hole; 7. a rotating shaft; 8. a blade; 9. a cavity; 10. a heat dissipating fin; 11. a heat dissipation cover; 12. Connecting blocks; 13. connecting holes; 14. a bolt; 15. closing the rubber cover; 16. a fixed seat; 901. a vent hole; 101. a groove; 102. a heat dissipation channel; 201. a clamping block; 1601. and (7) installing holes.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a small-sized airtight permanent magnet generator for wind power generation comprises a first shell 1 and a second shell 2, wherein a stator core 3 is arranged on the inner side of the first shell 1, stator windings 4 are arranged on the left side and the right side of the stator core 3, a rotor core 5 is arranged on the inner side of the stator core 3, a through hole 6 is formed in the left side of the rotor core 5, a rotating shaft 7 is arranged on the inner side of the rotor core 5, a blade 8 is fixedly mounted at the left end of the outer side of the rotating shaft 7, a cavity 9 is formed in the left side of the inner side of the first shell 1, a radiating fin 10 is arranged on the left side of the inner side of the cavity 9, a radiating cover 11 is fixedly mounted at the left side of the first shell 1, a connecting block 12 is fixedly mounted at the inner side of the first shell 1, a connecting hole 13 is formed in the right side of the second shell 2, a bolt 14 is arranged on the inner side of the connecting hole 13, a closed rubber cover 15 is arranged on the right side of the bolt 14, separation between the first shell 1 and the second shell 2 can be limited under the action of a clamping block and a groove 101, so as to avoid damage of the rotating shaft 7 at a high speed to the device, and to be beneficial to be taken as a reference object when being mounted, the device, the first shell 1 and the first shell 2 can be quickly mounted, and the first shell to be conveniently maintained;
four through holes 6 are arranged in total and are of fan-shaped structures, the through holes 6 are respectively arranged on the left side of the rotor core 5 in an annular and equidistant mode, a plurality of ventilation holes 901 are formed in the right side of the cavity 9, two radiating fins 10 are arranged in total and are respectively arranged at the upper end and the lower end of the right side of the shell I1, and the blades 8 are driven to rotate while rotating through the rotating shaft 7, so that heat on the peripheries of the stator core 3 and the rotor core 5 is guided into the cavity 9 through the radiating channels 102 and the through holes 6 respectively, and then the heat is conveyed to the outside through the radiating fins 10, so that the effect of quickly cooling and radiating is achieved, and the service life of the device is prolonged;
four connecting blocks are always installed on the connecting block 12, the connecting blocks are respectively arranged at the right end of the inner side of the first shell at an annular equal distance, threaded holes are formed in the right side of the connecting block 12, four connecting holes 13 are always formed and correspond to the connecting blocks 12 one to one, the size of each bolt 14 is matched with the connecting holes 13 and the threaded holes, a groove 101 is formed in the right side of the first shell 1, a fixture block 201 is fixedly installed on the left side of the second shell 2, the size and the shape of the groove 101 are matched with the fixture block 201, a heat dissipation channel 102 is formed in the inner side of the first shell 1, the first shell 1 and the bottom side of the second shell 2 are respectively and fixedly installed with a fixing seat 16, four mounting holes 1601 which are arranged at an annular equal distance are formed in the top side of the fixing seat 16, the bolts 14 are arranged in the inner side of the device and under the action of a closed rubber cover 15, so that the bolts 14 are prevented from being exposed outside, and the connecting positions are affected by the external environment are not loosened.
The working principle is as follows: firstly, in the using process, the rotating shaft 7 rotates and simultaneously drives the blades 8 to rotate, so that heat on the peripheries of the stator core 3 and the rotor core 5 is respectively guided into the cavity 9 through the heat dissipation channel 102 and the through hole 6, and then the heat is conveyed to the outside through the heat dissipation fins 10, so that the effect of quickly cooling and dissipating heat is achieved, the service life of the device is prolonged, meanwhile, when the first fixed shell 1 and the second fixed shell 2 are connected, the bolts 14 are arranged on the inner side of the device and under the action of the closed rubber cover 15, so that the bolts 14 are prevented from being exposed to the outside, the connection parts are loosened under the influence of the external environment, the use of the device is influenced, meanwhile, when the device is aged and loosened under the condition of avoiding long-term use, the first shell 1 and the second shell 2 can be limited to be separated under the action of the clamping block 201 and the groove 101, the damage to the device caused by high-speed rotation of the rotating shaft 7 is avoided, meanwhile, the first shell 1 and the second shell 2 are favorable for serving as a reference object in installation, and the device is quickly installed, and the dismounting and the maintenance are convenient.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a small-size airtight permanent magnet generator for wind power generation, includes shell one (1), shell two (2), its characterized in that: the utility model discloses a motor rotor, including shell one (1), the inboard of shell one (1) is provided with stator core (3), the left and right sides of stator core (3) is provided with stator winding (4), the inboard of stator core (3) is provided with rotor core (5), through-hole (6) have been seted up in the left side of rotor core (5), the inboard of rotor core (5) is provided with pivot (7), the left end fixed mounting in pivot (7) outside has blade (8), the inboard left side of shell one (1) is provided with cavity (9), the inboard left side of cavity (9) is provided with radiating fin (10), the left side fixed mounting of shell one (1) has cooling cap (11), the inboard fixed mounting of shell one (1) has connecting block (12), connecting hole (13) have been seted up on the right side of shell two (2), the inboard of connecting hole (13) is provided with bolt (14), the right side of bolt (14) is provided with closed rubber lid (15).
2. The enclosed permanent magnet generator for small wind power generation according to claim 1, wherein: the number of the through holes (6) is four, the through holes are of a fan-shaped structure, and the through holes (6) are respectively arranged on the left side of the rotor core (5) in an annular equidistant mode.
3. The enclosed permanent magnet generator for small wind power generation according to claim 2, wherein: the right side of the cavity (9) is provided with a plurality of vent holes (901), and the number of the heat dissipation fins (10) is two, and the two vent holes are respectively arranged at the upper end and the lower end of the right side of the first shell (1).
4. The enclosed permanent magnet generator for small wind power generation according to claim 3, wherein: four connecting blocks (12) are always installed, and are respectively arranged at the right end of the inner side of the first shell (1) at an annular equal distance, and threaded holes are formed in the right side of the connecting blocks (12).
5. The enclosed permanent magnet generator for small wind power generation according to claim 4, wherein: four connecting holes (13) are formed in each connecting block (12), the four connecting holes are respectively formed in a one-to-one correspondence mode, and the size of each bolt (14) is matched with the corresponding connecting hole (13) and the corresponding threaded hole.
6. The enclosed permanent magnet generator for small wind power generation according to claim 5, wherein: the right side of the first shell (1) is provided with a groove (101), the left side of the second shell (2) is fixedly provided with a clamping block (201), the size and the shape of the groove (101) are matched with those of the clamping block (201), and the inner side of the first shell (1) is provided with a heat dissipation channel (102).
7. The enclosed permanent magnet generator for small wind power generation according to claim 6, wherein: the bottom sides of the first shell (1) and the second shell (2) are respectively fixedly provided with a fixed seat (16), and the top side of the fixed seat (16) is provided with four annular mounting holes (1601) which are arranged at equal intervals.
CN202222681314.5U 2022-10-12 2022-10-12 Small-size airtight permanent magnet generator for wind power generation Active CN218217016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222681314.5U CN218217016U (en) 2022-10-12 2022-10-12 Small-size airtight permanent magnet generator for wind power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222681314.5U CN218217016U (en) 2022-10-12 2022-10-12 Small-size airtight permanent magnet generator for wind power generation

Publications (1)

Publication Number Publication Date
CN218217016U true CN218217016U (en) 2023-01-03

Family

ID=84641180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222681314.5U Active CN218217016U (en) 2022-10-12 2022-10-12 Small-size airtight permanent magnet generator for wind power generation

Country Status (1)

Country Link
CN (1) CN218217016U (en)

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