The invention relates to a heater, and the heater comprises a first heating resistor which is a thermistor; the second protection resistor is connected with the first heating resistor in series, and the second protection resistor has a constant resistance value; and the temperature switch is connected with the second protection resistor in parallel, wherein the temperature switch starts or bypasses the second protection resistor according to the surface temperature of the first heating resistor. The invention further relates to a transportation refrigeration unit, a refrigeration system for a transportation unit and a control method of a heater in the transportation refrigeration unit TRU.
本申请涉及一种加热器,所述加热器包括:第一加热电阻,所述第一加热电阻为热敏电阻;与所述第一加热电阻串联的第二保护电阻,其中所述第二保护电阻具有恒定阻值;以及与所述第二保护电阻并联的温度开关,其中所述温度开关根据所述第一加热电阻的表面温度来启用或旁路所述第二保护电阻。本申请还涉及一种运输制冷单元、一种用于运输单元的制冷系统以及一种运输制冷单元TRU中加热器的控制方法。
Heater, transport refrigeration unit and system
加热器、运输制冷单元以及系统
27.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS |