CN220087095U - Motor and frequency converter integrated structure with heat dissipation function - Google Patents
Motor and frequency converter integrated structure with heat dissipation function Download PDFInfo
- Publication number
- CN220087095U CN220087095U CN202321676529.6U CN202321676529U CN220087095U CN 220087095 U CN220087095 U CN 220087095U CN 202321676529 U CN202321676529 U CN 202321676529U CN 220087095 U CN220087095 U CN 220087095U
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- China
- Prior art keywords
- heat dissipation
- frequency converter
- fan
- motor
- yaw motor
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract 2
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a motor and frequency converter integrated structure with a heat dissipation function, which comprises a yaw motor; the first cooling fan is arranged on the rotating shaft of the yaw motor; the fan housing is arranged at one end of the yaw motor, which is provided with the first cooling fan, along the length direction of the yaw motor, and one end of the fan housing is provided with an air inlet; the frequency converter part is arranged above the yaw motor and the fan cover and comprises a frequency converter shell and a frequency converter box cover which are connected to form a containing cavity; a heating element and a non-heating element are arranged in the accommodating cavity; the bottom of the frequency converter shell is provided with a frequency converter brake resistor component; the heat dissipation part is arranged at the bottom of the frequency converter shell and is communicated with the fan housing; the second heat radiation fan is arranged at one end of the heat radiation part; according to the utility model, the heating element and the non-heating element are arranged in the frequency converter shell, so that the tightness is good; the first cooling fan and the second cooling fan form a circulated cooling loop through the fan housing and the cooling part which are arranged in a communicating way, and the heat dissipation effect is good.
Description
Technical Field
The present disclosure relates to a motor and frequency converter integrated structure, and particularly to a motor and frequency converter integrated structure with heat dissipation function.
Background
The yaw system is used as a key component of the wind turbine generator, the nacelle is rotated according to the wind direction, so that the impeller is kept in a windward state to the greatest extent, the wind energy utilization rate is improved, along with gradual improvement of the control requirements of the offshore large MW unit on the yaw motor and the yaw system, the integrated frequency converter and the yaw motor are integrated, so that the requirements of complex changes of the offshore working condition load are met, the speed is regulated stably, the system impact is reduced, and the service life of the system is prolonged.
The yaw motor of marine big MW unit, application environment exists higher salt fog corruption, need guarantee the leakproofness of yaw motor of integrated design, can prevent salt fog and harmful gas to the erosion of converter, otherwise easily cause converter electronic component trouble, but the converter radiating effect that the leakproofness is high is relatively poor, add simultaneously as an organic whole with yaw motor integration, the operating temperature that the heating of yaw motor itself will cause the converter promotes, the allowable temperature that exceeds the converter allows will cause converter fault alarm, thereby cause the reliability reduction of integrated motor and converter even have the possibility of direct damage.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the integrated structure of the motor and the frequency converter with the heat dissipation function, which can ensure the tightness, prevent the electronic elements of the frequency converter from being corroded and ensure good heat dissipation.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a motor and frequency converter integrated structure with heat dissipation function, comprising:
a yaw motor;
a first radiator fan disposed on a rotation shaft of the yaw motor;
the fan housing is arranged at one end of the yaw motor, which is provided with a first cooling fan, along the length direction of the yaw motor, and one end of the fan housing is provided with an air inlet;
the frequency converter part is arranged above the yaw motor and the fan cover and comprises a frequency converter shell and a frequency converter box cover which are connected to form a containing cavity; a heating element and a non-heating element are arranged in the accommodating cavity; the bottom of the frequency converter shell is provided with a frequency converter braking resistor component;
the heat dissipation part is arranged at the bottom of the frequency converter shell and is communicated with the fan cover;
a second heat dissipation fan disposed at one end of the heat dissipation portion;
the first cooling fan blows external wind into the fan housing through the air inlet and then enters the cooling part, and finally the second cooling fan blows out wind in the cooling part area.
Further, a through hole communicated with the heat dissipation part is formed in the frequency converter brake resistor assembly; and a wind guide opening communicated with the through hole is formed along one end, contacted with the yaw motor, of the wind cover in the circumferential direction and is used for leading wind in the wind cover to enter the heat dissipation part from the through hole under the guidance of the wind guide opening.
Further, the top of the heat dissipation part passes through the accommodating cavity and is arranged below the heating element.
Further, the heat dissipation part comprises a plurality of heat dissipation fins which are sequentially arranged in parallel.
Further, the first cooling fan and the second cooling fan are located on the same side.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the heating element and the non-heating element in the frequency converter are arranged in the frequency converter shell, so that corrosion of salt mist to the heating element and the non-heating element is effectively isolated, and the sealing performance of the whole structure is good.
2. A circulated cooling loop is formed by the fan housing, the frequency converter brake resistor assembly and the heat dissipation part which are arranged in a communicated manner through the first heat dissipation fan and the second heat dissipation fan, so that heating elements in the yaw motor and the frequency converter can be rapidly and effectively cooled, and the overall heat dissipation effect is good under the condition of good tightness.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
FIG. 1 is an exploded view of a three-dimensional structure according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a frequency converter according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a first radiator fan and a fan housing according to an embodiment of the utility model;
FIG. 4 is an internal cross-sectional view of an embodiment of the present utility model;
wherein: yaw motor 1, first radiator fan 2, fan housing 3, converter portion 4, second radiator fan 5, fin 6, wind guide 30, air intake 31, converter casing 40, converter braking resistor subassembly 41, heating element 42, no heating element 43, converter lid 44, through-hole 410.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.
The utility model provides a motor and frequency converter integrated structure with a heat dissipation function, which solves the problems that in the prior art, the tightness of a yaw motor which is integrally designed is required to be ensured, the corrosion of electronic elements of the frequency converter is prevented, and the heat dissipation effect of the frequency converter with high tightness is also required to be avoided.
For easy understanding, a specific flow in the embodiment of the present utility model is described below, referring to fig. 1 to 4, and a motor and frequency converter integrated structure with heat dissipation function in the embodiment of the present utility model includes a yaw motor 1, a first heat dissipation fan 2, a fan housing 3, a frequency converter portion 4, a heat dissipation portion, and a second heat dissipation fan 5; the first radiator fan 2 is arranged on the rotating shaft of the yaw motor 1, so that the first radiator fan can synchronously rotate along with the operation of the yaw motor 1; the fan housing 3 is arranged at one end of the yaw motor 1, which is provided with the first cooling fan 2, along the length direction of the yaw motor 1, so that the fan housing 3 with the first cooling fan 2 inside is formed, and a plurality of air inlets 31 are formed at one end of the fan housing 3, so that external air can be blown into the fan housing 3 from back to front by using the first cooling fan 2.
The frequency converter part 4 is transversely arranged above the yaw motor 1 and the fan cover 3, the frequency converter part 4 comprises a frequency converter shell 40 and a frequency converter box cover 44 which are connected to form a containing cavity, a heating element 42 and a non-heating element 43 are arranged in the containing cavity, and a frequency converter braking resistor assembly 41 is arranged at the bottom of the frequency converter shell 40.
The heat dissipation part is arranged at the bottom of the frequency converter shell 40 and is communicated with the fan housing 3; the second heat dissipation fan 5 is disposed at one end of the heat dissipation portion, and is configured to blow air in the heat dissipation portion to the outside.
The heating element 42 and the non-heating element 43 in the frequency converter are arranged in the frequency converter shell 40, so that corrosion of salt mist to the heating element 42 and the non-heating element 43 is effectively isolated, the sealing performance of the whole structure is good, and normal use of the frequency converter is ensured.
In addition, the first radiator fan 2 blows external wind into the fan housing 3 through the air inlet 31 to cool the yaw motor 1, then the blown wind enters the cooling part area again to cool and dissipate heat, so that the cooling part can efficiently cool the heating element 42 in the accommodating cavity, and finally the second radiator fan 5 blows out the wind in the cooling part area, so that a recyclable cooling loop is formed by the fan housing 3 and the cooling part which are arranged by the first radiator fan 2 and the second radiator fan 5 in a communicating way, the yaw motor 1 and the heating element 42 in the frequency converter can be cooled fast and effectively, and the heat dissipation performance is guaranteed under the condition of good sealing performance.
Based on fig. 1 to 2, in this embodiment, the converter brake resistor assembly 41 is provided with a through hole 410 that is communicated with the heat dissipation portion, the through hole 410 is rectangular, and an air guide hole 30 that is communicated with the through hole 410 is provided along one end of the fan housing 3 that is in contact with the yaw motor 1 in the circumferential direction, so that air in the fan housing 3 is guided by the air guide hole 30 and then enters into the heat dissipation portion area through the through hole 410, and the common cooling and heat dissipation of the yaw motor 1 and the heat dissipation portion are realized, and the heat dissipation portion can efficiently dissipate heat of the heating element 42.
Based on fig. 2, in the present embodiment, the top of the heat dissipation portion passes through the accommodating cavity and is disposed below the heating element, so that the heat dissipation portion is closest to the heating element 42, and cooling and heat dissipation of the heating element 42 by the heat dissipation portion are enhanced.
In addition, the heat dissipation part comprises a plurality of heat dissipation fins 6 which are sequentially arranged in parallel, the cooling and heat dissipation of the heating element 42 are accelerated by the plurality of heat dissipation fins 6, the heat dissipation effect is improved, and the heating element 42 is ensured not to be in an overhigh temperature state.
Based on fig. 4, in this embodiment, the first cooling fan 2 and the second cooling fan 5 are located on the same side, so that the circulation heat dissipation path formed by the first cooling fan 2, the second cooling fan 5, the fan housing 3 and the heat dissipation part is shortest, so that the cooling heat dissipation effect is better, and the practical use requirement is met.
Based on fig. 4, the cooling flow in operation is as follows: yaw motor 1 and converter start to work, yaw motor 1 and heating element 42 begin spontaneous heating under long-time work, then first radiator fan 2 and second radiator fan 5 are opened, first radiator fan 2 draws external wind into fan housing 3 inside through a plurality of air intakes 31, get into the inside wind part of fan housing 3 and cool off the heat dissipation to yaw motor 1, the regional by through-hole 410 entering into the cooling part after the wind-guiding mouth 30 guide of another part, cool off the heat dissipation fast, make the cooling part can be efficient cool off the heat dissipation to heating element 42, finally rethread second radiator fan 5 blows out the regional wind of cooling part, thereby realized cooling off together the heat dissipation to yaw motor and fin, the efficiency of cooling off the heat dissipation to yaw motor and heating element has been promoted.
In addition, the heating element 42 and the non-heating element 43 are arranged in the frequency converter shell 41, so that the corrosion of the outside is avoided, and the sealing performance is good.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. Motor and converter integrated structure with heat dissipation function, its characterized in that includes:
a yaw motor;
a first radiator fan disposed on a rotation shaft of the yaw motor;
the fan housing is arranged at one end of the yaw motor, which is provided with a first cooling fan, along the length direction of the yaw motor, and one end of the fan housing is provided with an air inlet;
the frequency converter part is arranged above the yaw motor and the fan cover and comprises a frequency converter shell and a frequency converter box cover which are connected to form a containing cavity; a heating element and a non-heating element are arranged in the accommodating cavity; the bottom of the frequency converter shell is provided with a frequency converter braking resistor component;
the heat dissipation part is arranged at the bottom of the frequency converter shell and is communicated with the fan cover;
a second heat dissipation fan disposed at one end of the heat dissipation portion;
the first cooling fan blows external wind into the fan housing through the air inlet and then enters the cooling part, and finally the second cooling fan blows out wind in the cooling part area.
2. The integrated structure of the motor and the frequency converter with the heat dissipation function as set forth in claim 1, wherein: the frequency converter brake resistor component is provided with a through hole communicated with the heat dissipation part; and a wind guide opening communicated with the through hole is formed along one end, contacted with the yaw motor, of the wind cover in the circumferential direction and is used for leading wind in the wind cover to enter the heat dissipation part from the through hole under the guidance of the wind guide opening.
3. The integrated structure of the motor and the frequency converter with the heat dissipation function as set forth in claim 1, wherein: the top of the heat dissipation part passes through the accommodating cavity and is arranged below the heating element.
4. The integrated structure of the motor and the frequency converter with the heat dissipation function as set forth in claim 1, wherein: the heat dissipation part comprises a plurality of heat dissipation fins which are sequentially arranged in parallel.
5. The integrated structure of the motor and the frequency converter with the heat dissipation function as set forth in claim 1, wherein: the first cooling fan and the second cooling fan are positioned on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676529.6U CN220087095U (en) | 2023-06-29 | 2023-06-29 | Motor and frequency converter integrated structure with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676529.6U CN220087095U (en) | 2023-06-29 | 2023-06-29 | Motor and frequency converter integrated structure with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087095U true CN220087095U (en) | 2023-11-24 |
Family
ID=88816688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321676529.6U Active CN220087095U (en) | 2023-06-29 | 2023-06-29 | Motor and frequency converter integrated structure with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087095U (en) |
-
2023
- 2023-06-29 CN CN202321676529.6U patent/CN220087095U/en active Active
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| GR01 | Patent grant |