Examples of the present disclosure relate to techniques for headlamp heater control. In examples, a headlight assembly comprises a heater, which is used to prevent or remove condensation/precipitation on a lens of the headlamp assembly. Given it may be difficult for an individual to know when to manually turn the headlamp heater on, an electronic control unit (ECU) may evaluate a set of rules to determine when to automatically enable or disable the headlamp heater. The rules may be associated with atmospheric conditions outside the vehicle, the state of the vehicle (e.g., whether windshield wipers are turned on, whether windshield defog is enabled, whether a mirror heater is turned on, etc.), and/or user input received by an ECU of the vehicle, among other examples.

An electromagnetic valve includes a solenoid; a sealing portion provided on a movable element; an urging member; a first pipe including a first outlet side end portion; and a second pipe including an inlet side end portion and a second outlet side end portion. The first pipe includes a receiving seat being in close contact with the sealing portion. In a first state where the sealing portion is separated from the receiving seat, a liquid flows to the first outlet side end portion. In a second state where the sealing portion is in close contact with the receiving seat, the liquid flows to the second outlet side end portion and does not flow to the first outlet side end portion, and a pressing force by the urging member and a hydrostatic pressure of the liquid in the merging portion act to press the sealing portion against the receiving seat.

Provided is a vehicle cleaner system with which it can be ascertained which cleaner has broken down. A vehicle cleaner system comprises: a plurality of cleaner units; a motor pump; an electromagnetic valve which switches between allowing and denying the movement of a cleaning liquid; a cleaner control unit; and a plurality of protection determination units that protect the electromagnetic valve from being supplied with an overcurrent when the electromagnetic valve has short-circuited and is opened, and that notify the cleaner control unit that the electromagnetic valve has short-circuited and is opened. The cleaner control unit outputs, to a vehicle control unit, which electromagnetic valve is unavailable for use, on the basis of a signal that is acquired from the protection determination units and that indicates that the electromagnetic valve has short-circuited and is opened.

An electromagnetic valve includes a solenoid; a sealing portion provided on a movable element; an urging member; a first pipe including a first outlet side end portion; and a second pipe including an inlet side end portion and a second outlet side end portion. The first pipe includes a receiving seat being in close contact with the sealing portion. In a first state where the sealing portion is separated from the receiving seat, a liquid flows to the first outlet side end portion. In a second state where the sealing portion is in close contact with the receiving seat, the liquid flows to the second outlet side end portion and does not flow to the first outlet side end portion, and a pressing force by the urging member and a hydrostatic pressure of the liquid in the merging portion act to press the sealing portion against the receiving seat.

A flow path switching box includes a housing, a chamber and a plurality of solenoid valves. The housing including an inflow port and a plurality of discharge ports. The chamber connected to the inflow port. The plurality of solenoid valves provided in the housing, the plurality of solenoid valves each including a stator and a movable element movable relative to the stator. The plurality of solenoid valves have inlets connected to the chamber and outlets connected respectively to the discharge ports. The plurality of solenoid valves are configured to switch to permitting and not permitting discharge of a fluid from the outlets independently of each other. The plurality of solenoid valves are arranged in parallel to each other in a moving direction of the movable element.

A vehicle cleaner system that includes a single pump and a plurality of cleaners which are connected to the single pump and clean different cleaning target objects with a cleaning medium is disclosed. The cleaning target objects include a sensor which detects information on outside of a vehicle and a cleaner control unit which operates the plurality of cleaners in accordance with input of a signal. The cleaner control unit is capable of operating the plurality of cleaners such that cleaning methods of the plurality of cleaners are different from each other.

Example embodiments relate to wiper devices for cleaning sensor housings. An example embodiment includes a wiper device for cleaning a surface of a rotatable sensor housing. The wiper device may have a driving arm having a first end and a second end. The first end of the driving arm is connected to a rotatable shaft. The wiper device may also have a wiper arm pivotally connected to the second end of the driving arm. The pivotal connection is located between a front region and a rear region of the wiper arm. Further, the wiper device may have a wiper blade coupled to the front region of the wiper arm. The wiper blade may be configured to wipe the surface of the rotatable sensor housing. Additionally, the wiper device may have a counterweight coupled to the rear region of the wiper arm.

Examples of the present disclosure relate to techniques for headlamp heater control. In examples, a headlight assembly comprises a heater, which is used to prevent or remove condensation/precipitation on a lens of the headlamp assembly. Given it may be difficult for an individual to know when to manually turn the headlamp heater on, an electronic control unit (ECU) may evaluate a set of rules to determine when to automatically enable or disable the headlamp heater. The rules may be associated with atmospheric conditions outside the vehicle, the state of the vehicle (e.g., whether windshield wipers are turned on, whether windshield defog is enabled, whether a mirror heater is turned on, etc.), and/or user input received by an ECU of the vehicle, among other examples.

A method is provided for controlling a wiping-washing process of a rear window cleaning system for a motor vehicle that has at least one windshield cleaning system and a headlight cleaning system for headlights of the motor vehicle. The wiping-washing process of the rear window cleaning system is controlled on the basis of an actuation of the headlight cleaning system and/or the windscreen cleaning system.

Provided is a vehicle cleaner system with which it can be ascertained which cleaner has broken down. A vehicle cleaner system comprises: a plurality of cleaner units; a motor pump; an electromagnetic valve which switches between allowing and denying the movement of a cleaning liquid; a cleaner control unit; and a plurality of protection determination units that protect the electromagnetic valve from being supplied with an overcurrent when the electromagnetic valve has short-circuited and is opened, and that notify the cleaner control unit that the electromagnetic valve has short-circuited and is opened. The cleaner control unit outputs, to a vehicle control unit, which electromagnetic valve is unavailable for use, on the basis of a signal that is acquired from the protection determination units and that indicates that the electromagnetic valve has short-circuited and is opened.