The cargo compartment lamp control circuit comprises a power source, cargo compartment lamps, a first switch and a second switch, the first switch and the second switch are connected in series, and the first switch and the second switch are arranged at a middle door and a tail door of a cargo compartment respectively; each of the first switch and the second switch comprises a movable contact and two static contacts, one static contact is an open contact used for opening the corresponding switch, and the other static contact is a close contact used for closing the corresponding switch; the open contact of the first switch is connected with the closed contact of the second switch, and the closed contact of the first switch is connected with the open contact of the second switch; one of the movable contacts of the first switch and the second switch is connected with a power supply, the other movable contact is connected with the first end of the cargo compartment lamp, and the second end of the cargo compartment lamp is connected with a ground wire. According to the cargo compartment lamp, the open contacts and the closed contacts of the two switches are connected in a staggered mode to form a double-loop design, the cargo compartment lamp can be lightened by turning on any switch, and the problem that the cargo compartment lamp is inconvenient to turn on and turn off is solved.
本申请公开了一种封闭式货车的货厢灯控制电路,包括电源、货厢灯以及相互串联的第一开关和第二开关,第一开关和第二开关分别设置在货厢的中门和尾门处;第一开关和第二开关均包括一个动触点和两个静触点,其中一个静触点为用于打开对应开关的开触点,另一个静触点为用于关闭对应开关的关触点;第一开关的开触点与第二开关的关触点连接,第一开关的关触点与第二开关的开触点连接;第一开关和第二开关的动触点中,一个动触点与电源连接,另一个与货厢灯的第一端连接,货厢灯的第二端与地线连接。本申请中,两个开关的开触点和关触点交错连接,形成双回路设计,打开任一开关均可实现货厢灯的点亮,解决了货厢灯的开关操作不方便问题。
Cargo compartment lamp control circuit of closed truck
一种封闭式货车的货厢灯控制电路
18.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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