Electronic expansion valve

Electronic expansion valve

The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hu...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ZHENG LIHUA, YUAN BOFENG, XIAO CHENCAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
STANDS OR SUPPORTS
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Beschreibung
Zusammenfassung:The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hull structure, the rotor assembly is rotatably arranged in the rotor cavity, the circuit board is arranged in a containing cavity, and the sensor is arranged in the containing cavity. The sensor is used for sensing magnetic pole changes of the rotor assembly and comprises a sensing body and a plurality of contact pins, a support is arranged between the circuit board and the bottom wall and located on one side of the convex hull structure, the support is provided with a containing groove penetrating through the bottom end of the support, and the side, facing the convex hull structure, of the support is provided with a sensing hole. The top end of the support is provided with a pin guide hole for the pin to pass throu