Fly wheel energy storage rotor vacuum heat radiation system

A flywheel energy storage and heat dissipation system technology, applied in the field of flywheel energy storage rotor heat dissipation system, can solve problems such as heat dissipation difficulties, achieve low loss, strong flexibility, and eliminate system friction loss

Pending Publication Date: 2018-11-27
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] Aiming at the problem of difficult heat dissipation for each rotor of the flywheel energy storage system under vacuum conditions, the purpose of the present invention is to propose a vacuum heat dissipation system for the flywheel energy storage rotors, which can effectively strengthen the radiation heat exchange under vacuum conditions, and make the cooling device and There is no mechanical contact between the rotors of the system, which can eliminate friction loss and provide an effective solution for the heat dissipation of the flywheel energy storage rotor in vacuum

Method used

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  • Fly wheel energy storage rotor vacuum heat radiation system
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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be noted that implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art.

[0026] Such as figure 1 As shown, the flywheel energy storage vacuum rotor heat dissipation system of the present invention includes a vacuum airtight casing 1, an electromagnetic bearing 11, an electromagnetic bearing rotor 2, a flywheel 3, a flywheel rotor 5, an electric / generator integrated machine 13, and an electric / electrically generated integrated machine rotor 6. Vacuum pump 15, valve 14, sealing device 7, 10, liquid storage tank 8, valve 9, 18, evaporation device 12, vacuum pump 17, loop pipeline 4, 16, 20, condensing device 19.

[0027] The evaporation device 12 is arranged inside the rotor 6 of th...

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Abstract

The invention discloses a fly wheel energy storage rotor vacuum heat radiation system, which mainly consists of an evaporation device, a condensing device and a loop pipeline, wherein each system rotor is of a hollow structure; the evaporation device is arranged in a rotor center shaft hole and corresponds to the position of heat sources of a motor, an electromagnetic bearing and the like; the mechanical contact cannot be generated with the inner wall of the shaft; the heat of the rotor is transferred to the evaporation device in a radiation heat exchange mode. According to the natural circulation two-phase heat siphon loop gravity heat pipe principle, the condensing device is arranged outside a flywheel energy storage system; the sea level elevation is higher than the evaporation device;the gravity potential energy is used for driving work media in a heat radiation system to circularly flow. The special requirements of heat radiation of the flywheel energy storage system in the vacuum state are considered; the natural circulation two-phase heat siphon loop gravity heat pipe is combined; the system is applicable to the heat radiation of the flywheel energy storage system rotor under the vacuum condition.

Description

technical field [0001] The invention belongs to the technical field of energy storage, and relates to a heat dissipation system for a flywheel energy storage rotor, in particular to a heat dissipation system for a flywheel energy storage rotor based on natural circulation two-phase thermosiphon circuit heat pipes and enhanced radiation heat exchange under vacuum conditions. Background technique [0002] Flywheel energy storage has long been used in new energy vehicles. With the gradual development of renewable energy, the imbalance between power supply and demand has become more and more obvious. Energy storage technology can provide strong support for renewable energy grid peak regulation and improve power quality, improve the consumption level of renewable energy, promote the gradual transformation of traditional fossil energy to renewable energy, and realize new development of the energy industry. [0003] At present, power energy storage technologies include pumped water...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/20
CPCH02K9/20
Inventor 陈磊王亮陈海生林曦鹏彭珑于东
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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