The invention discloses a multifunctional windshield wiper water spraying device, belonging to the field of automobile windshield wiper auxiliary devices, which comprises a positive line and a negative line which are led out from an automobile storage battery, wherein an ignition switch is connected in series on the positive line, and a windshield wiper branch, a water spraying pump branch and a spray cooling branch are connected in parallel between the positive line and the negative line behind the ignition switch; A windshield wiper switch, a windshield wiper low water level switch and a double throw relay coil loop are connected in series on the windshield wiper branch; A water spray pump (B1) and a normally open contact (Cl) in an output circuit of a double throw relay (Al) are connected in series on the water spray pump branch; The AC switch, the spray low water level switch, the high water level switch and the spray pump control module are connected in series on the spray cooling branch. This device makes the windshield wiper spray pump and water collecting kettle dual purpose, which can not only supply water for the windshield wiper spray nozzle, but also supply water for the air conditioning spray cooling system, thus reducing the equipment cost and saving the limited installation space in the car. S9 to ii~\\A21 A3 B2! Figure 1 -17 ---- BI1 13 Figure 2
Multifunctional windshield wiper water spraying device
2021-10-21
Patent
Elektronische Ressource
Englisch
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