CN109854465A - A kind of wind turbine cabin radiator using oscillating heat pipe - Google Patents

A kind of wind turbine cabin radiator using oscillating heat pipe Download PDF

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Publication number
CN109854465A
CN109854465A CN201910185253.3A CN201910185253A CN109854465A CN 109854465 A CN109854465 A CN 109854465A CN 201910185253 A CN201910185253 A CN 201910185253A CN 109854465 A CN109854465 A CN 109854465A
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CN
China
Prior art keywords
heat pipe
wind
oscillating heat
wind turbine
driven generator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910185253.3A
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Chinese (zh)
Inventor
李国军
李依擎
伊智
冯明杰
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Northeastern University China
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Northeastern University China
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Filing date
Publication date
Application filed by Northeastern University China filed Critical Northeastern University China
Priority to CN201910185253.3A priority Critical patent/CN109854465A/en
Publication of CN109854465A publication Critical patent/CN109854465A/en
Pending legal-status Critical Current

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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

Abstract

The present invention discloses a kind of wind turbine cabin radiator using oscillating heat pipe, including oscillating heat pipe and fan, wherein oscillating heat pipe is two groups, is respectively arranged in wind-driven generator upper and lower faces, the evaporator section of every group of oscillating heat pipe is bonded with wind-driven generator shell;Fan is set to the condensation segment of oscillating heat pipe before exhaust outlet, is co-axially mounted with wind-driven generator;Oscillating heat pipe is the unidirectional valve-type loop formed by arcuate tube, is divided into evaporator section, adiabatic section and condensation segment, wherein evaporator section is closely connect with wind-driven generator shell, and central filler heat-conducting silicone grease is rearwardly followed successively by adiabatic section and condensation segment.The present invention passes through unidirectional valve-type oscillating heat pipe and the coaxial mounted fan combination of wind-driven generator, air ejector fan can not only be saved, heat exchange property can be greatly improved simultaneously, and the radiator structure being arranged outside cabin can be cancelled, the maintenance cost of heat dissipation equipment is reduced, guarantees that wind-power engine room operates normally safely with investment as few as possible.

Description

A kind of wind turbine cabin radiator using oscillating heat pipe
Technical field
The present invention relates to a kind of wind power generating set, specially a kind of wind turbine cabin using oscillating heat pipe, which radiates, to be filled It sets.
Background technique
Wind power generating set is a kind of ultra-large type complex mechanical equipment in the unattended continuous service in high-altitude, both by outer Portion's environment influences, while also by Effect of Thermal Performance such as internal part heat absorption, heat dissipations.As the high speed of wind power technology is sent out Exhibition, the increase of wind power generating set single-machine capacity, the requirement to cabin heat radiation performance are continuously improved.The master of megawatt-level wind unit It wants heat generating components for gear-box, wind-driven generator and frequency converter, to guarantee aerogenerator unit safe efficient operation, needs phase therewith The radiator matched.
It is in the prior art usually that the enhancing heat convection efficiency such as fan is added in cabin to be either placed in radiator Nacelle exterior.The former makes radiating efficiency is low can not expire at summer since sun hyperthermia radiation leads to script temperature height in cabin The safe working condition requirement of foot;The latter then requires in terms of radiator excessively high, and heat dissipation capacity is with the growth of single-machine capacity And increase severely, the volume of radiator also increases accordingly, and cooling effect is bad.
It can be seen that the radiator of current wind generating set cabin cabin temperature cannot effectively be dropped when guaranteeing work Facilitate the maintenance of cooling device while low.
Summary of the invention
For wind generating set engine room in the prior art radiator cannot when guaranteeing work cabin temperature it is effective The deficiencies of reduction, also reduces the application vibration of maintenance cost while can effectively radiating the problem to be solved in the present invention is to provide one kind Swing the wind turbine cabin radiator of heat pipe.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of wind turbine cabin radiator using oscillating heat pipe of the present invention, including oscillating heat pipe and fan, wherein Oscillating heat pipe is two groups, is respectively arranged in wind-driven generator upper and lower faces, the evaporator section and wind-driven generator of every group of oscillating heat pipe Shell fitting;Fan is set to the condensation segment of oscillating heat pipe before exhaust outlet, is co-axially mounted with wind-driven generator.
Oscillating heat pipe is the unidirectional valve-type loop formed by arcuate tube, is divided into evaporator section, adiabatic section and condensation segment, In, evaporator section is closely connect with wind-driven generator shell, and central filler heat-conducting silicone grease is rearwardly followed successively by adiabatic section and condensation Section.
For oscillating heat pipe using water as working medium, working medium filling ratio is 60%.
Unidirectionally valve-type oscillating heat pipe tube wall uses copper, and aluminous fin is equipped with outside tube wall.
Two air outlets are symmetrical arranged in wind turbine cabin lower part, filter screen is added at air outlet.
Exhaust outlet is arranged in wind turbine cabin at the fan of tail portion, and using oblique leaf exhaust outlet, blade and vertical direction are in 30 Spend angle.
It is connected between fan and wind-driven generator using Quincunx elastic coupler.
The invention has the following beneficial effects and advantage:
1. the present invention can not only be saved by unidirectional valve-type oscillating heat pipe and the coaxial mounted fan combination of wind-driven generator Air ejector fan is saved, while heat exchange property can be greatly improved, and the radiator structure being arranged outside cabin can be cancelled, heat dissipation is reduced and sets Standby maintenance cost guarantees that wind-power engine room operates normally safely with investment as few as possible.
2. air outlet adds filter screen that bulky grain dirt sand can be prevented in outside air to component each in cabin in the present invention Damage, exhaust outlet can prevent sleet etc. from entering cabin to damage aircraft compartment interiors using oblique leaf exhaust outlet.
3. closely being connect with unidirectional valve-type oscillating heat pipe with wind-driven generator shell in the present invention, and central filler is thermally conductive Silicone grease can increase thermal coefficient and greatly improve radiating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the whole main view of the present invention;
Fig. 2 is the structural schematic diagram of overall top view of the present invention;
Fig. 3 is the structural schematic diagram with unidirectional valve-type oscillating heat pipe in the present invention.
Wherein, 1 is impeller, and 2 be engine room cover, and 3 be low speed shaft, and 4 be gear-box, and 5 be high speed rotating shaft, and 6 be master control system, 7 be frequency conversion system, and 8 be wind-driven generator, and 9 be oscillating heat pipe, and 91 be tube wall, and 92 be working medium, and 93 be evaporator section, and 94 be insulation Section, 95 be condensation segment, and 96 be check valve, and 10 be fan, and 11 be air outlet, and 12 be exhaust outlet, and 13 be pylon, based on 14.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings of the specification.
As shown in Fig. 1~2, a kind of wind turbine cabin radiator using oscillating heat pipe, including oscillating heat pipe 9 and wind Fan 10, wherein oscillating heat pipe 9 is two groups, and the planar section of oscillating heat pipe 9 is installed on wind-driven generator 8 upper and lower two respectively The evaporator section 93 in face, every group of oscillating heat pipe 9 is bonded with 8 shell of wind-driven generator;Fan 10 is set in the exhaust outlet 12 of engine room cover 2 Side, the condensation segment of oscillating heat pipe 9 are co-axially mounted with wind-driven generator 8.
As shown in figure 3, oscillating heat pipe 9 is the unidirectional valve-type loop formed by arcuate tube, it is divided into evaporator section 93, insulation Section 94 and condensation segment 95,93 wind-driven generator of evaporator section, 8 shell closely connect, and central filler heat-conducting silicone grease can increase thermally conductive Coefficient greatly improves radiating efficiency.Wherein, evaporator section is closely connect with wind-driven generator shell, central filler heat-conducting silicone grease, to Tail portion is followed successively by adiabatic section and condensation segment.
In the present embodiment, oscillating heat pipe 9 is using water as working medium 92, and degree of being evacuated is the negative of 87.6kPa among oscillating heat pipe 9 Pressure condition, working medium filling ratio are 60%.Unidirectionally valve-type oscillating heat pipe tube wall uses copper, and aluminous fin is equipped with outside tube wall.
The caliber of unidirectional valve-type oscillating heat pipe 9 is calculated by following formula:
Wherein, dvFor vapor chamber diameter, QmaxFor maximum axial heat flow, ρvFor the heat flow density of steam, hfgIt is latent to vaporize Heat, RvFor the gas constant of steam, TvFor the temperature of steam.
Two air outlets 11 are symmetrical arranged in wind turbine cabin lower part, add filter screen at air outlet 11.It can prevent Damage of the bulky grain dirt sand to component each in cabin in outside air;Exhaust outlet is arranged in wind turbine cabin at the fan of tail portion 12, using oblique leaf exhaust outlet, blade and vertical direction are in 30 degree of angles, can prevent sleet etc. from entering cabin to damage cabin Inner part.
It is connected between fan 10 and wind-driven generator 8 using Quincunx elastic coupler.
The course of work and principle of the invention is as follows:
The heat of the generations such as low speed shaft 3, gear-box 4, high speed rotating shaft 5 and wind-driven generator 8 during fan operation Amount makes hot-air from air draft after oscillating heat pipe 9 is cooling by the forced convertion with the coaxial mounted fan 10 of wind-driven generator 8 Mouth discharge cabin.
Working medium 92 is heated in the evaporator section 93 of oscillating heat pipe 9, is generated acutely boiling at the gasification core of tube wall 91, is produced It tiffs and steeps and constantly expand, form vent plug;Long liquid plug is segmented, and forms short liquid plug.92 side of flowing of medium in initial operating stage pipe To indefinite, when two liquid plugs meet, 95 side of condensation segment that big 93 side of evaporator section of pressure pushes pressure small through adiabatic section 94 Flowing, until medium 92 forms one-way circulation flowing in entire heat pipe 9, thus into stable operation stage;In stable operation rank Section, 92 periodicity of medium, are hovered at regular pause, are continued to run after minibreak, heat is also passed from evaporator section repeatedly Condensation segment has been arrived, and then has completed temperature conveying.
The present invention can be according to the working condition of wind-power engine room, the installation site of oscillating heat pipe 9 and coaxial fan 10 and a Number can be installed according to actual needs.
In the present invention wind generating set engine room by unidirectional valve-type oscillating heat pipe with and wind-driven generator coaxial fan In conjunction with can not only save the generator of air ejector fan, while heat exchange property can be greatly improved, and can cancel in cabin peripheral hardware The radiator structure set reduces the maintenance cost of heat dissipation equipment, guarantees that wind-power engine room operates normally safely with investment as few as possible.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this Field technical staff makes a little simple modification using the technology contents of the disclosure above, equivalent variation, modification or differentiation etc., still Belong in the range of technical solution of the present invention.

Claims (7)

1. a kind of wind turbine cabin radiator using oscillating heat pipe, it is characterised in that: including oscillating heat pipe and fan, In, oscillating heat pipe is two groups, is respectively arranged in wind-driven generator upper and lower faces, and the evaporator section and wind-force of every group of oscillating heat pipe are sent out Motor housing fitting;Fan is set to the condensation segment of oscillating heat pipe before exhaust outlet, is co-axially mounted with wind-driven generator.
2. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: oscillation heat Pipe is the unidirectional valve-type loop formed by arcuate tube, is divided into evaporator section, adiabatic section and condensation segment, wherein evaporator section and wind Power generator shell closely connects, and central filler heat-conducting silicone grease is rearwardly followed successively by adiabatic section and condensation segment.
3. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: oscillation heat Guan Yishui is working medium, and working medium filling ratio is 60%.
4. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: check valve Type oscillating heat pipe tube wall is equipped with aluminous fin using copper outside tube wall.
5. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: in wind-powered electricity generation Set engine room lower part is symmetrical arranged two air outlets, and filter screen is added at air outlet.
6. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: wind turbine Exhaust outlet is arranged in group cabin at the fan of tail portion, and using oblique leaf exhaust outlet, blade and vertical direction are in 30 degree of angles.
7. the wind turbine cabin radiator according to claim 1 using oscillating heat pipe, it is characterised in that: fan with It is connected between wind-driven generator using Quincunx elastic coupler.
CN201910185253.3A 2019-03-12 2019-03-12 A kind of wind turbine cabin radiator using oscillating heat pipe Pending CN109854465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910185253.3A CN109854465A (en) 2019-03-12 2019-03-12 A kind of wind turbine cabin radiator using oscillating heat pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910185253.3A CN109854465A (en) 2019-03-12 2019-03-12 A kind of wind turbine cabin radiator using oscillating heat pipe

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CN109854465A true CN109854465A (en) 2019-06-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410287A (en) * 2019-07-03 2019-11-05 王小娟 A kind of heat radiating type wind power plant with fire-extinguishing function concurrently
CN113257150A (en) * 2021-07-16 2021-08-13 山东科技职业学院 Electronic information display column

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101997365A (en) * 2009-08-31 2011-03-30 杭州银轮科技有限公司 Heat pipe type wind-power generator unit cooler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101997365A (en) * 2009-08-31 2011-03-30 杭州银轮科技有限公司 Heat pipe type wind-power generator unit cooler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱炳朋: "脉动热管的传热特性研究及其应用", 《工程科技Ⅱ辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410287A (en) * 2019-07-03 2019-11-05 王小娟 A kind of heat radiating type wind power plant with fire-extinguishing function concurrently
CN110410287B (en) * 2019-07-03 2021-01-15 中广核(北京)新能源科技有限公司 Heat dissipation type wind power generation equipment with fire extinguishing function
CN113257150A (en) * 2021-07-16 2021-08-13 山东科技职业学院 Electronic information display column
CN113257150B (en) * 2021-07-16 2021-09-17 山东科技职业学院 Electronic information display column

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Application publication date: 20190607