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Title:
FLOW CONTROL DEVICE, AND CONTROL SYSTEM AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/099379
Kind Code:
A1
Abstract:
A flow control device (100) for use in a heat exchange system, comprising: a housing (1), a movable valve member (21) and a drive control member (3), the housing (1) being formed to have a mounting cavity, a first interface (102) and a second interface (103), while the drive control member comprises a control unit (34), a power output unit (31), a magnetic element (32) and a detection element (33); the power output unit (31) provides power to the movable valve member (21), while the detection element (33) and the control unit (34) are electrically connected, and the magnetic element (32) and the power output unit (31) are mutually assembled and oppositely fixed, wherein the power output unit (31) may drive the magnetic element (32) to rotate; the detection element (33) and the magnetic element (32) are oppositely disposed, the detection element (33) being located within the range of the magnetic field of the magnetic element (32), wherein the detection element (33) may sense a magnetic pole change of the magnetic element (32), and may promptly respond to a stall condition.

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Inventors:
JIANG HUAYUAN (CN)
GONG XUEXIA (CN)
ZHANG YAOYAO (CN)
WU ZHI (CN)
Application Number:
PCT/CN2017/113452
Publication Date:
June 07, 2018
Filing Date:
November 29, 2017
Export Citation:
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Assignee:
HANGZHOU SANHUA RES INST CO LTD (CN)
International Classes:
G05D7/06
Foreign References:
CN103782074A2014-05-07
US5992459A1999-11-30
CN204985849U2016-01-20
JP2001004052A2001-01-09
JPH109416A1998-01-13
CN201611087286A2016-12-01
Other References:
See also references of EP 3550395A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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