阅读说明：本技术 一种基于超声波的自动测距系统 (A kind of automatic-range system based on ultrasound ) 是由 王洪臣 刘旦 刘志鹏 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种基于超声波的自动测距系统,包括：超声波发射模块、超声波接收模块、温度补偿模块、微处理器模块、显示模块和语音播报模块,所述超声波发射模块、超声波接收模块、温度补偿模块、显示模块和语音播报模块均与微处理器模块建立有联系,所述超声波发射模块包括超声波发射探头和发射记录模块；所述超声波接收模块包括超声波接收探头组、滤波模块和信号输出模块；本发明通过设置温度补偿模块,并设有温度探测器1、温度探测器2和温度探测器3,可以利用多组温度探测器同步进行温度探测,并将探测的结果通过计算模块进行计算,得到温度平均值,可以提高温度补偿的精度,从而提高测距精度,测距效果好,便于使用。(The invention discloses a kind of automatic-range systems based on ultrasound, it include: ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, microprocessor module, display module and voice broadcast module, the ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, display module and voice broadcast module are related with microprocessor module foundation, and the ultrasonic wave transmitting module includes ultrasonic wave transmitting probe and transmitting logging modle；The ultrasonic wave receiving module includes ultrasonic wave receiving transducer group, filter module and signal output module；The present invention passes through setting temperature compensation module, and it is equipped with hygrosensor 1, hygrosensor 2 and hygrosensor 3, it can use the synchronous progress temperature sensing of multiple groups hygrosensor, and the result of detection is calculated by computing module, temperature averages are obtained, the precision of temperature-compensating can be improved, to improve range accuracy, ranging effect is good, is easy to use.)

1. a kind of automatic-range system based on ultrasound characterized by comprising ultrasonic wave transmitting module, ultrasonic wave receive Module, temperature compensation module, microprocessor module, display module and voice broadcast module, the ultrasonic wave transmitting module, ultrasound Wave receiving module, temperature compensation module, display module and voice broadcast module are related with microprocessor module foundation；

The ultrasonic wave transmitting module includes ultrasonic wave transmitting probe and transmitting logging modle；

The ultrasonic wave receiving module includes ultrasonic wave receiving transducer group, filter module and signal output module；

The temperature compensation module includes temperature sensing module, computing module, signal conversion module and output module, the temperature Detecting module is for detecting air themperature；

The microprocessor module is used to handle the data that ultrasonic wave receiving module and temperature compensation module are sent into, and will Processing result is exported by display module and voice module；

The display module is for distance measurement result to be shown out；

The voice broadcast module plays the role of reminder alarm for broadcasting distance measurement result.

2. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the ultrasonic wave hair It penetrates probe and is used to record the time of ultrasonic wave generation for emitting ultrasonic signal, the transmitting logging modle.

3. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the temperature sensing Module includes hygrosensor 1, hygrosensor 2 and hygrosensor 3, the hygrosensor 1, hygrosensor 2 and temperature Degree detector 3 is used to detect the temperature in air.

4. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the temperature sensing Device 1, hygrosensor 2 and hygrosensor 3 are respectively different model in 3.

5. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the computing module Multiple groups temperature value for detecting to temperature sensing module receives, and calculates temperature averages.

6. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the signal conversion Module is used to temperature data being converted into electrical signal data.

7. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the output module For electrical signal data to be exported and is sent into microprocessor module.

8. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the ultrasonic wave connects Receiving probe group includes ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3, and the ultrasonic wave, which receives, to be visited First 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3 are separately positioned on left end, right end and the lower end of ultrasonic wave transmitting probe The signal output module is used to the ultrasound data that ultrasonic wave receiving module receives being transferred to microprocessor module.

9. a kind of automatic-range system based on ultrasound according to claim 1, it is characterised in that: the filter module Ultrasonic wave for receiving to ultrasonic wave receiving module is filtered operation, by the ultrasonic wave of return noise and interference Data filter out.

Technical field

The present invention relates to ultrasonic measuring distance technology field, specially a kind of automatic-range system based on ultrasound.

Background technique

Ultrasonic wave is a part of sound wave, be human ear do not hear, frequency be higher than 20KHZ (kHz) sound wave；Ultrasonic wave Propagation have the characteristics that directive property is strong, farther out, thus ultrasonic wave is frequently used for propagation distance energy consumption slowly, in the medium Range measurement；One embodiment of ultrasonic distance measurement includes a ultrasonic transmitter and a ultrasonic receiver, is utilized Ultrasonic receiver receives the difference of the time of ultrasonic signal and the time of ultrasonic transmitter transmission ultrasonic signal, multiplied by The spread speed of ultrasonic signal can be obtained the distance between ultrasonic transmitter and ultrasonic receiver.

But the automatic-range system of existing ultrasonic wave has the disadvantage in that since ultrasonic propagation velocity is by temperature Obvious effect is spent, but does not consider to propagate the relationship of temperature when existing ultrasonic distance measurement, leads to the distance measured There is a certain error, some having temperature-compensating, is detected only with single temperature sensing module, leads to temperature sensing Not precisely, error is larger, is not convenient to use, and when existing ultrasonic distance measurement, mostly only with single ultrasonic wave receiving transducer It is received, causes detection accuracy bad, need to improve.

Summary of the invention

The purpose of the present invention is to provide a kind of automatic-range systems based on ultrasound, to solve in above-mentioned background technique Mention since ultrasonic propagation velocity is not considered by temperature obvious effect, but when existing ultrasonic distance measurement The relationship of temperature is propagated, leading to the distance measured, there is a certain error, and it is some having temperature-compensating, only with single temperature Detecting module is detected, and causes temperature sensing not accurate, and error is larger, is not convenient to use, and when existing ultrasonic distance measurement, It is received mostly only with single ultrasonic wave receiving transducer, leads to the problem that detection accuracy is bad.

To achieve the above object, the invention provides the following technical scheme: a kind of automatic-range system based on ultrasound, packet It includes: ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, microprocessor module, display module and voice broadcast Module, the ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, display module and voice broadcast module are equal It is related with microprocessor module foundation；

The ultrasonic wave transmitting module includes ultrasonic wave transmitting probe and transmitting logging modle；

The ultrasonic wave receiving module includes ultrasonic wave receiving transducer group, filter module and signal output module；

The temperature compensation module includes temperature sensing module, computing module, signal conversion module and output module, the temperature Detecting module is for detecting air themperature；

The microprocessor module is used to handle the data that ultrasonic wave receiving module and temperature compensation module are sent into, and will Processing result is exported by display module and voice module；

The display module is for distance measurement result to be shown out；

The voice broadcast module plays the role of reminder alarm for broadcasting distance measurement result.

Preferably, the ultrasonic wave transmitting probe is for emitting ultrasonic signal, and the transmitting logging modle is for recording The time that ultrasonic wave occurs

Preferably, the temperature sensing module includes hygrosensor 1, hygrosensor 2 and hygrosensor 3, the temperature Detector 1, hygrosensor 2 and hygrosensor 3 are used to detect the temperature in air.

Preferably, the hygrosensor 1, hygrosensor 2 and hygrosensor 3 are respectively different model in 3.

Preferably, the computing module is for receiving the multiple groups temperature value that temperature sensing module detects, and counts Calculate temperature averages.

Preferably, the signal conversion module is used to temperature data being converted into electrical signal data.

Preferably, the output module by electrical signal data for exporting and being sent into microprocessor module

Preferably, the ultrasonic wave receiving transducer group includes that ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave connect Probe 3 is received, the ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3 are separately positioned on ultrasonic wave Signal output module described in the left end of transmitting probe, right end and lower end is used for the ultrasonic wave number for receiving ultrasonic wave receiving module According to being transferred to microprocessor module.

Preferably, the filter module, will for being filtered operation to the ultrasonic wave that ultrasonic wave receiving module receives Noise and interference data in the ultrasonic wave of return filter out.

The present invention provides a kind of automatic-range system based on ultrasound, have it is following the utility model has the advantages that

(1) present invention is by setting temperature compensation module, and is equipped with hygrosensor 1, hygrosensor 2 and hygrosensor 3, It can use the synchronous progress temperature sensing of multiple groups hygrosensor, and the result of detection calculated by computing module, obtain To temperature averages, the precision of temperature-compensating can be improved, to improve range accuracy, ranging effect is good, is easy to use.

(2) present invention passes through setting while utilizing filter module, can be filtered work to received ultrasonic wave, guarantee Reception is good, by setting ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3, utilizes multiple groups Ultrasonic wave receiving transducer receives ultrasonic wave simultaneously, and the ultrasound data received is sent at microprocessor module Reason, can be improved range accuracy, be easy to use.

Detailed description of the invention

Fig. 1 is entire block diagram structural schematic diagram of the invention；

Fig. 2 is temperature compensation module structural schematic diagram of the invention；

Fig. 3 is ultrasonic wave receiving module structural schematic diagram of the invention；

Fig. 4 is ultrasonic wave transmitting module structural schematic diagram of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

As shown in Figs 1-4, the present invention provides a kind of technical solution: a kind of automatic-range system based on ultrasound, comprising: Ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, microprocessor module, display module and voice broadcast mould Block, the ultrasonic wave transmitting module, ultrasonic wave receiving module, temperature compensation module, display module and voice broadcast module with Microprocessor module foundation is related；

The ultrasonic wave transmitting module includes ultrasonic wave transmitting probe and transmitting logging modle；

The ultrasonic wave receiving module includes ultrasonic wave receiving transducer group, filter module and signal output module；

The temperature compensation module includes temperature sensing module, computing module, signal conversion module and output module, the temperature Detecting module is for detecting air themperature；

The microprocessor module is used to handle the data that ultrasonic wave receiving module and temperature compensation module are sent into, and will Processing result is exported by display module and voice module；

The display module is for distance measurement result to be shown out；

The voice broadcast module plays the role of reminder alarm for broadcasting distance measurement result.

The ultrasonic wave transmitting probe is for emitting ultrasonic signal, and the transmitting logging modle is for recording ultrasonic wave hair The raw time.

The temperature sensing module includes hygrosensor 1, hygrosensor 2 and hygrosensor 3, the temperature sensing Device 1, hygrosensor 2 and hygrosensor 3 are used to detect the temperature in air.

The hygrosensor 1, hygrosensor 2 and hygrosensor 3 are respectively different model in 3.

The computing module calculates temperature for receiving to the multiple groups temperature value that temperature sensing module detects Average value.

The signal conversion module is used to temperature data being converted into electrical signal data.

The output module by electrical signal data for exporting and being sent into microprocessor module

The ultrasonic wave receiving transducer group includes ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3, The ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3 are separately positioned on ultrasonic wave transmitting probe Left end, signal output module described in right end and lower end is for the ultrasound data that ultrasonic wave receiving module receives to be transferred to Microprocessor module.

The filter module is for being filtered operation to the ultrasonic wave that ultrasonic wave receiving module receives, by the super of return Noise and interference data in sound wave filter out.

It should be noted that a kind of automatic-range system based on ultrasound utilizes ultrasonic wave transmitting module at work On ultrasonic wave transmitting probe emit ultrasonic signal, and using transmitting logging modle record ultrasonic wave occur time, ultrasound Wave is received after encountering barrier back through ultrasonic wave receiving module, and ultrasonic wave receiving module is received by ultrasonic wave Probe 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3 simultaneously receive ultrasonic wave, while filter module is to ultrasound The noise and interference data that wave receiving module receives in ultrasonic wave filter out, the ultrasonic wave that ultrasonic wave receiving module receives Data are sent to microprocessor module by signal output module, while temperature compensation module is visited by hygrosensor 1, temperature It surveys device 2 and hygrosensor 3 detects the temperature in air, and detection result is calculated by computing module, benefit The average value of temperature is calculated with computing module, temperature value is converted into temperature signal using signal conversion module, it then will be warm Degree temperature is sent to microprocessor module, and the multi-group data that micro treatment module is sent into ultrasonic wave receiving module calculates, root According to the different location angle of ultrasonic wave receiving transducer 1, ultrasonic wave receiving transducer 2 and ultrasonic wave receiving transducer 3, and combination temperature number According to obtaining the data of three groups of measurements, be then averaged, obtain final measurement data, then will finally be surveyed using display module The data of amount are shown, while data are carried out casting prompt using voice broadcast module.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.