CN103227530A - Heat radiation method and heat radiation device for high energy storage flywheel system - Google Patents
Heat radiation method and heat radiation device for high energy storage flywheel system Download PDFInfo
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- CN103227530A CN103227530A CN2013101118519A CN201310111851A CN103227530A CN 103227530 A CN103227530 A CN 103227530A CN 2013101118519 A CN2013101118519 A CN 2013101118519A CN 201310111851 A CN201310111851 A CN 201310111851A CN 103227530 A CN103227530 A CN 103227530A
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- flywheel system
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses a heat radiation method for a high energy storage flywheel system. A heat conducting rotor support component is contacted with the heat production elements of the high energy storage flywheel system and transfers heat to a heat conducting element through a heat conducting coupling element; and the heat is transferred to a heat radiation component outside the work environment of the high energy storage flywheel system through a heat-conducting flow medium in the heat conducting element, so that the heat produced by the high energy storage flywheel system is conducted to the environment by the heat radiation component so as to improve the radiating effect of the high energy storage flywheel system. According to the method, the heat generated by the high energy storage flywheel system is conducted to the heat radiation component by the heat radiation component to be radiated, which ensures that the heat can be received and conducted continuously, so that the heat production components of the high energy storage flywheel system are kept at proper operating temperature which is equal to or lower than a rated temperature. The heat radiation way and the heat radiation structure adopted by the invention are greatly simplified and the heat conducting effect is good.
Description
Technical field
The present invention relates to the machine science field, especially a kind of heat dissipating method of high energy-storing flywheel system and device.
Background technology
High energy-storing flywheel system has the distinguishing feature of instantaneous relase energy.It is short to be usually used in discharge time, the occasion that instantaneous power is big.In the flywheel course of work, by rotating supporting component, and other a series of assemblies, such as generator, in fly wheel system, produce heat, make temperature surpass scope of design, the system operation life-span reduces.
Therefore at present the type of cooling commonly used has recirculated water cooling, air-cooled, radiator cooling etc.The recirculated water cooling effect is more air-cooled good, but recirculated water cooling exists equipment complexity, leakiness, unmanageable shortcoming.Use traditional cooling system that parts such as heat production in flywheel supporting construction, motor, bearing, the shell are dispelled the heat, if heat can not be in time, capacity dissipates, then each assembly temperature will exceed optimum temperature range in the flywheel energy storage system, influence the operation lifetime of system, reduce the fly wheel system functional reliability.
For guaranteeing high energy-storing flywheel system operational reliability, prevent that sudden failure from bringing the injury to surrounding, usually place high accumulated energy flywheel underground, the quality of its main heat dispersion, mainly by with heat generating component closely link to each other part---soil determines, and the heat conductivility of soil is bad, and the heat dispersion of its cooling system is very poor.High like this energy-storing flywheel system produces heat and just can not be dispersed into effectively in the soil, and the temperature of system component can not remain on optimum state, reduces the operation lifetime of assembly and the mean free error time of high energy-storing flywheel system.
Cooling system in the disclosed flywheel energy storage system of Li Wensheng etc. (patent No. ZL 200410010855.9) utilizes Peltier effect that system temperature is kept normally.Characteristics such as have that the life-span, the size that prolong bearing arrangement are little, easy care, cost are low.
The radiating mode that prior art adopts often needs impressed current.Complex structure so not only, and caused the increase of use cost.
Summary of the invention
The objective of the invention is: the heat abstractor in a kind of high energy-storing flywheel system is provided, and it is simple in structure, installation is easy, can reach better radiating effect, to overcome the deficiencies in the prior art.
The present invention is achieved in that the heat dissipating method of high energy-storing flywheel system, adopt heat conduction rotor supports assembly to contact with the heat production element of high energy-storing flywheel system, heat conduction rotor supports assembly by the heat conduction coupling element with heat transferred to heat conducting element, utilize the heat-conducting medium that flows in the heat conducting element with on the radiating subassembly of heat transferred outside being in high energy-storing flywheel system operational environment, the heat that high energy-storing flywheel system is produced exports in the environment on radiating subassembly, thereby improves the radiating effect of high energy-storing flywheel system.
Heat abstractor in the high energy-storing flywheel system, the shell that comprises flywheel energy storage system is provided with heat conduction rotor supports assembly on shell, at the shell peripheral hardware heat conduction coupling element is arranged, the heat conduction coupling element is coupling on the shell, and the heat conduction coupling element is connected with heat conduction rotor supports assembly; The heat conduction coupling element is connected with an end of heat conducting element, is provided with radiating subassembly on the other end of heat conducting element.
Described heat conducting element is a tubular structure, and its inside is airtight cavity, is filled with heat-conducting medium in cavity.
On the outer surface of heat conducting element, be provided with the coating that thickness is 0.5～0.8mm.Coating adopts the mode of electroplating to plate tin or other material, and it can effectively reduce the contact heat resistance between high-performance heat conducting element and coupling element and the radiating subassembly.
Heat conducting element has a horizontal direction elevation angle, and this elevation angle is greater than 5 °.Help systemic circulation to use.
Owing to adopt above-mentioned technical scheme, compared with prior art, the present invention exports to the consumption of loosing on the radiating subassembly with the heat of the assembly generation of high energy-storing flywheel system by high performance heat conducting element, reception that this mode can continue and conduction heat, make a plurality of heat production assemblies of high energy-storing flywheel system can remain on suitable operational temperature, this temperature is equal to or less than rated temperature; Because heat conducting element of the present invention utilizes inner heat-conducting medium vaporization, condensation cycle transmission heat, in cyclic process, heat is transported on the radiating subassembly by high energy-storing flywheel system, radiating subassembly can be arranged on outside the working range of high energy-storing flywheel system, and need not to be installed in the vacuum environment, therefore radiating mode and structure can both obtain to simplify greatly, and good heat conduction effect; The inventive method is simple, and the device that is adopted is made easily, and is with low cost, and result of use is good.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Embodiment
Embodiments of the invention: the heat dissipating method of high energy-storing flywheel system, adopt heat conduction rotor supports assembly to contact with the heat production element of high energy-storing flywheel system, heat conduction rotor supports assembly by the heat conduction coupling element with heat transferred to heat conducting element, utilize the heat-conducting medium that flows in the heat conducting element with on the radiating subassembly of heat transferred outside being in high energy-storing flywheel system operational environment, the heat that high energy-storing flywheel system is produced exports in the environment on radiating subassembly, thereby improves the radiating effect of high energy-storing flywheel system.
The structure of the heat abstractor in the high energy-storing flywheel system as shown in Figure 1, the shell 1 that comprises flywheel energy storage system, on shell 1, be provided with heat conduction rotor supports assembly 2, outside shell 1, be provided with heat conduction coupling element 3, heat conduction coupling element 3 by bolted mode mechanical couplings on shell 1, heat conduction coupling element 3 can provide a surf zone, this region area can effectively be transferred to the heat production element of heat from flywheel energy storage system on the heat conducting element 4, and heat conduction coupling element 3 is connected with heat conduction rotor supports assembly 2; Heat conduction coupling element 3 is connected with an end of heat conducting element 4, and heat conducting element 4 has a horizontal direction elevation angle, and this elevation angle is provided with radiating subassembly 5 greater than 5 ° on the other end of heat conducting element 4; Described heat conducting element 4 is a tubular structure, and its inside is airtight cavity, is filled with heat-conducting medium in cavity; On the outer surface of heat conducting element 4, be electroplate with the tin coating that one deck thickness is 0.5～0.8mm.Can pass through to increase the contact pressure between each parts in the assembling coupling process, or the modes such as thermal grease conduction, heat conductive pad and Heat Conduction Material of adding reduce contact heat resistance.
Radiating subassembly 5 is made up of the good radiating fin of the heat conductivility that adapts with operational environment, operational environment in the present embodiment is an atmosphere, the quantity of radiating fin, at interval, thickness and size are determined by need transmission heat, when heat output is 550W, are adopted aluminum fin, be shaped as circle, thickness is 6mm, and 16 ~ 20 radiating fins can meet the demands, and can add any form that can increase convective heat-transfer coefficient on the radiating fin of radiating subassembly 5, as change the surface configuration of radiating fin, spike, plum blossom shape etc., cross-ventilation can be adopted in radiating subassembly 5 outsides, forced air convection, mode enhancing heat transfer such as water convection current are forced in the water convection current.
Claims (5)
1. the heat dissipating method of a high energy-storing flywheel system, it is characterized in that: adopt heat conduction rotor supports assembly to contact with the heat production element of high energy-storing flywheel system, heat conduction rotor supports assembly by the heat conduction coupling element with heat transferred to heat conducting element, utilize the heat-conducting medium that flows in the heat conducting element with on the radiating subassembly of heat transferred outside being in high energy-storing flywheel system operational environment, the heat that high energy-storing flywheel system is produced exports in the environment on radiating subassembly, thereby improves the radiating effect of high energy-storing flywheel system.
2. heat abstractor that adopts the heat dissipating method of the described high energy-storing flywheel system of claim 1, the shell (1) that comprises flywheel energy storage system, it is characterized in that: on shell (1), be provided with heat conduction rotor supports assembly (2), outside shell (1), be provided with heat conduction coupling element (3), heat conduction coupling element (3) is coupling on the shell (1), and heat conduction coupling element (3) is connected with heat conduction rotor supports assembly (2); Heat conduction coupling element (3) is connected with an end of heat conducting element (4), is provided with radiating subassembly (5) on the other end of heat conducting element (4).
3. the heat abstractor of high energy-storing flywheel system according to claim 2, it is characterized in that: described heat conducting element (4) is a tubular structure, and its inside is airtight cavity, is filled with heat-conducting medium in cavity.
4. the heat abstractor of high energy-storing flywheel system according to claim 2 is characterized in that: be provided with the coating that thickness is 0.5～0.8mm on the outer surface of heat conducting element (4).
5. according to the heat abstractor of claim 2 or 3 described high energy-storing flywheel systems, it is characterized in that: heat conducting element (4) has a horizontal direction elevation angle, and this elevation angle is greater than 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101118519A CN103227530A (en) | 2013-04-02 | 2013-04-02 | Heat radiation method and heat radiation device for high energy storage flywheel system |
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| CN2013101118519A CN103227530A (en) | 2013-04-02 | 2013-04-02 | Heat radiation method and heat radiation device for high energy storage flywheel system |
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| CN103227530A true CN103227530A (en) | 2013-07-31 |
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| CN2013101118519A Pending CN103227530A (en) | 2013-04-02 | 2013-04-02 | Heat radiation method and heat radiation device for high energy storage flywheel system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030066381A1 (en) * | 2001-09-17 | 2003-04-10 | Eric Lewis | Heat energy dissipation device for a flywheel energy storage system (fess), an fess with such a dissipation device and methods for dissipating heat energy |
| CN203166685U (en) * | 2013-04-02 | 2013-08-28 | 贵州大学 | Heat radiating device of high energy storage flywheel system |
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2013
- 2013-04-02 CN CN2013101118519A patent/CN103227530A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030066381A1 (en) * | 2001-09-17 | 2003-04-10 | Eric Lewis | Heat energy dissipation device for a flywheel energy storage system (fess), an fess with such a dissipation device and methods for dissipating heat energy |
| CN203166685U (en) * | 2013-04-02 | 2013-08-28 | 贵州大学 | Heat radiating device of high energy storage flywheel system |
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Application publication date: 20130731 |