Temperature adjusting warning device for engine water tank
A technology of warning device and engine, applied in signal device and other directions, can solve problems such as complicated circuit and cause accidents, and achieve the effect of simple working principle and low cost
Inactive Publication Date: 2016-02-03
张彦娟
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Problems solved by technology
The car engine over-temperature alarm has a certain protection function, but its circuit is complex, and when the car is driving on a half-slope or in the middle of the road, the alarm may automatically stop and cause accidents
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[0011] Preferred embodiments of the present invention will be further described below in conjunction with accompanying drawings, as figure 1 as shown,
[0012] The automotive engine water tank temperature rise reminder of the present invention comprises a temperature photoelectric on-off circuit, an acousto-optic alarm circuit and a power supply 1; the temperature photoelectric on-off circuit consists of a light-emitting head 2, a 12V DC relay 3 (JRX-13F type), and a light-receiving head 4 in sequence The sound and light alarm circuit is formed by connecting the piezoelectric buzzer 5 with an auxiliary sound chamber and the relay 3; the power supply 1 supplies power to the temperature photoelectric on-off circuit and the sound and light alarm circuit through the relay 3.
[0013] When installing the buzzer, the CH1000 alarm buzzer driver integrated circuit can be selected at the same time; when installing the relay, its two sets of normally open contacts are used in par...
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The invention discloses a temperature adjusting warning device for an engine water tank. The temperature adjusting warning device for the engine water tank is characterized by comprising a temperature photoelectric on-off circuit, an audible and visual alarming circuit and a power supply, wherein the temperature photoelectric on-off circuit is formed by connecting a light emitting head, a relay and a light receiving head in sequence; the audible and visual alarming circuit is formed by connecting a buzzer and a relay; and the power supply supplies power to the temperature photoelectric on-off circuit and the audible and visual alarming circuit through the relay. According to the current situation that a water tank temperature dial indicator exists on an automobile, the temperature photoelectric on-off circuit and the audible and visual alarming circuit are additionally arranged in the invention; the swinging of a pointer of the water tank temperature dial indicator is monitored by means of a photoelectric head; once an upper temperature limit is reached, the buzzer can produce sounds to remind a driver of stopping the automobile and checking the water level of the water tank in time according to the current situation without affecting automobile driving operation.
Description
technical field [0001] The invention relates to the field of automobile engine water tanks, in particular to an engine water tank temperature regulation warning device. Background technique [0002] Common defects in current vehicles. For this reason, there is an automobile engine overtemperature alarm on the market now, which can send out an audible and visual alarm signal when the operating temperature of the automobile engine is too high and the temperature of the water tank exceeds 90°C, and at the same time automatically cut off the working power of the ignition circuit to make the engine flame out. The car engine over-temperature alarm has a certain protection function, but its circuit is complicated, and when the car is driving on a half-slope or in the middle of the road, the alarm may automatically stop and cause an accident. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a simple in structure, safe an...
Claims
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Inventor 张彦娟
Owner 张彦娟