阅读说明：本技术 一种基于超声波测距系统的测距方法 (Distance measurement method based on ultrasonic distance measurement system ) 是由 李良源 董旭 李睿 秦中胜 于 2019-12-20 设计创作，主要内容包括：本发明公开了一种基于超声波测距系统的测距方法,测距开始后,控制单元交替向不同超声测距模块中的发射探头及接收探头发送启动指令,接收到启动指令的发射探头和接收探头同时开启,接收探头同时开启计时器进行计时；接收探头在接收到回波信号后即停止计时,并记录回波信号的到达时间,接收到回波信号的超声波测距模块进行时间信息数据的处理,并将结果发送给控制单元；控制单元接收到所述结果后,再次向不同超声波测距模块中的发射探头和接收探头发送启动指令,重复前述步骤,交替启动不同模块中的发射探头和接收探头进行测距。本发明方法可以减小超声测距减的盲区,有利于提高测量的准确性。(The invention discloses a distance measuring method based on an ultrasonic distance measuring system.A control unit alternately sends starting instructions to transmitting probes and receiving probes in different ultrasonic distance measuring modules after distance measurement is started, the transmitting probes and the receiving probes which receive the starting instructions are simultaneously started, and the receiving probes simultaneously start a timer to time; the receiving probe stops timing after receiving the echo signal, records the arrival time of the echo signal, and the ultrasonic ranging module receiving the echo signal processes time information data and sends the result to the control unit; and after receiving the result, the control unit sends a starting instruction to the transmitting probes and the receiving probes in different ultrasonic ranging modules again, repeats the steps and alternately starts the transmitting probes and the receiving probes in different modules to carry out ranging. The method can reduce the blind area reduced by ultrasonic distance measurement, and is favorable for improving the accuracy of measurement.)

1. A distance measurement method based on an ultrasonic distance measurement system is characterized in that: the ultrasonic ranging system at least comprises a first ultrasonic ranging module and a second ultrasonic ranging module which are independent from each other and arranged at intervals, and the first ultrasonic ranging module and the second ultrasonic ranging module respectively comprise at least one transmitting probe and at least one receiving probe; the first ultrasonic ranging module and the second ultrasonic ranging module are in communication connection with a control unit;

the distance measuring method comprises the following steps: after the start of the ranging, the user can,

s1, the control unit sends starting instructions to the transmitting probes in the first ultrasonic ranging module and the receiving probes in the second ultrasonic ranging module, the transmitting probes in the first ultrasonic ranging module and the receiving probes in the second ultrasonic ranging module are started simultaneously after receiving the starting instructions, and the receiving probes in the second ultrasonic ranging module start respective timers to time after being started;

s2, stopping timing after receiving echo signals by the receiving probes in the second ultrasonic ranging module, recording the arrival time of the echo signals, processing time information data by the second ultrasonic ranging module after all the receiving probes of the second ultrasonic ranging module receive the echo signals, performing ranging calculation according to the recorded arrival time of the echo signals and the transmission speed of ultrasonic waves, and sending the result to the control unit;

s3, after receiving the result sent by the second ultrasonic ranging module, the control unit sends a starting instruction to the receiving probe in the first ultrasonic ranging module and the transmitting probe in the second ultrasonic ranging module, the receiving probe in the first ultrasonic ranging module and the transmitting probe in the second ultrasonic ranging module are started simultaneously after receiving the starting instruction, and the receiving probe in the first ultrasonic ranging module starts respective timers to time after being started;

s4, stopping timing after receiving echo signals by receiving probes in the first ultrasonic ranging module, recording the arrival time of the echo signals, processing time information data by the first ultrasonic ranging module after all receiving probes of the first ultrasonic ranging module receive the echo signals, performing ranging calculation according to the recorded arrival time of the echo signals and the transmission speed of ultrasonic waves, and sending the result to a control unit;

and S5, after receiving the result sent by the first ultrasonic ranging module, the control unit returns to the step S1, repeats the steps and alternately starts the transmitting probes and the receiving probes in different ultrasonic ranging modules to carry out ranging.

2. A ranging method based on an ultrasonic ranging system according to claim 1, wherein: the transmitting probe and the receiving probe of the first ultrasonic ranging module are arranged on the same mounting plate, and the transmitting probe and the receiving probe of the second ultrasonic ranging module are arranged on another mounting plate.

3. A ranging method based on an ultrasonic ranging system according to claim 1, wherein: the first ultrasonic ranging module and the second ultrasonic ranging module are fixedly installed through damping springs respectively.

4. A ranging method based on an ultrasonic ranging system according to claim 1, wherein: the first ultrasonic ranging module and the second ultrasonic ranging module are internally provided with a battery, and the battery acquires electric energy in a wireless charging mode.

5. A ranging method based on an ultrasonic ranging system according to claim 1, wherein: the first ultrasonic ranging module and the second ultrasonic ranging module are in communication connection with the control unit in a wireless communication mode.

6. A ranging method based on an ultrasonic ranging system according to claim 1 or 2 or 3 or 4 or 5, characterized in that: the number of the transmitting probes and the receiving probes of the second ultrasonic ranging module corresponds to the number of the transmitting probes and the receiving probes of the first ultrasonic ranging module.

7. A distance measurement method based on an ultrasonic distance measurement system is characterized in that: the ultrasonic ranging system comprises at least two ultrasonic ranging modules which are independent from each other and arranged at intervals, and each ultrasonic ranging module comprises at least one transmitting probe and at least one receiving probe; the ultrasonic ranging module is in communication connection with a control unit;

the distance measuring method comprises the following steps: after the start of the ranging, the user can,

s1, the control unit sends starting instructions to the transmitting probes and the receiving probes, the transmitting probes and the receiving probes belong to different ultrasonic ranging modules respectively, the number of the transmitting probes receiving the starting instructions corresponds to the number of the receiving probes receiving the starting instructions, the transmitting probes and the receiving probes receiving the starting instructions are started simultaneously, and the respective timers are started to time after the receiving probes are started;

s2, stopping timing after the receiving probes receive the echo signals, recording the arrival time of the echo signals, processing time information data by the ultrasonic ranging module to which the receiving probes belong when all the receiving probes receiving the starting instruction receive the echo signals, performing ranging calculation according to the recorded arrival time of the echo signals and the transmission speed of ultrasonic waves, and sending the result to the control unit;

s3, after receiving the result sent by the ultrasonic ranging module, the control unit sends a starting instruction to another group of transmitting probes and receiving probes, the transmitting probes and the receiving probes receiving the starting instruction belong to different ultrasonic ranging modules respectively, the number of the transmitting probes receiving the starting instruction corresponds to the number of the receiving probes receiving the starting instruction, the transmitting probes and the receiving probes receiving the starting instruction are started simultaneously, and the respective timers are started to time after the receiving probes are started;

s4, stopping timing after the receiving probes receive the echo signals, recording the arrival time of the echo signals, processing time information data by the ultrasonic ranging module to which the receiving probes belong when all the receiving probes receiving the starting instruction receive the echo signals, performing ranging calculation according to the recorded arrival time of the echo signals and the transmission speed of ultrasonic waves, and sending the result to the control unit;

and S5, after receiving the result sent by the ultrasonic ranging module, the control unit returns to the step S1, repeats the steps and alternately starts the transmitting probes and the receiving probes in different ultrasonic ranging modules to carry out ranging.

8. A ranging method based on an ultrasonic ranging system according to claim 7, wherein: the ultrasonic ranging module is fixedly installed through a damping spring.

9. A ranging method based on an ultrasonic ranging system according to claim 7, wherein: the ultrasonic ranging module is provided with a battery, and the battery acquires electric energy in a wireless charging mode.

10. A ranging method based on an ultrasonic ranging system according to claim 7, wherein: the ultrasonic ranging module is in communication connection with the control unit in a wireless communication mode.