OPTOELECTRONIC DETECTION DEVICE HAVING REDUCED ENERGY CONSUMPTION, MOTOR VEHICLE AND CORRESPONDING METHOD

摘要

The invention relates to a scanning optoelectronic detection device (1) for a motor vehicle (14), having an optical transmitter (2, 3) for transmitting electromagnetic beams (4) to a surrounding region (11) of the motor vehicle (14), having an optical receiver (13) which has at least one photodetector (18, 19) for receiving beams (12) reflected in the surrounding region (11) and for providing an electrical receiving signal (21) depending on the received rays (12) and an amplifier (20) for amplifying the electrical receiving signal (21), having an electronic evaluation device (23) for detecting a target object (15) in the surrounding region (11) depending on the amplified receiving signal (22), and having a voltage supply device (26) for providing an electrical supply voltage (UV) for the receiver (13), wherein the transmitter (2, 3) is designed to emit one transmission beam (4) for each of a plurality of scanning angles within a scanning angle range (8), within one measurement cycle (T3) of the detection device (1), and wherein a transmission pause (T4) of a specified time duration follows after every measurement cycle (T3). The detection device (1) according to the invention has separating means (28, 29) which are designed to electrically separate at least one component (18, 19, 20) of the receiver (13) from the supply voltage (UV) for at least one deactivation time interval (T7) during a transmission pause (T4) during operation of the detection device (1).