CN201548694U - Short distance ultrasound measurement module - Google Patents
Short distance ultrasound measurement module Download PDFInfo
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- CN201548694U CN201548694U CN2009202842418U CN200920284241U CN201548694U CN 201548694 U CN201548694 U CN 201548694U CN 2009202842418 U CN2009202842418 U CN 2009202842418U CN 200920284241 U CN200920284241 U CN 200920284241U CN 201548694 U CN201548694 U CN 201548694U
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Abstract
The present utility model discloses a short distance ultrasound measurement module and pertains to a field of electronic measurement and ultrasound distance measurement. The module mostly comprises a power-supply circuit, an ultrasonic wave sending circuit, a singlechip circuit and an ultrasonic wave receiving circuit, the power-supply circuit outputs voltages of 3.3V and 5V and provides power to the ultrasonic wave sending circuit, the singlechip circuit and the ultrasonic wave receiving circuit respectively, and the output end of the ultrasonic wave receiving circuit is connected with the input end of the ultrasonic wave sending circuit after being connected with the singlechip circuit in series. According to the utility model, by adopting an embedded type technology, returned ultrasonic wave signals are detected, distance to an object to be measured is calculated, according to the distance information, corresponding control commands are executed, and the short distance ultrasound measurement module has advantages of big reaction speed, low power consumption, simple structure and low using cost.
Description
Technical field
The utility model relates to a kind of electrotape, relates in particular to a kind of short distance supersonic sounding module, belongs to electronic surveying and supersonic sounding field.
Background technology
Along with Robotics fast development in short decades after it is born, the range of application of ultrasonic ranging is also progressively moved towards people's life by commercial production.
Ultrasound wave since strong, the energy consumption of directive property slowly and the distance of in medium, propagating far away and by through being usually used in the measurement of distance.It is mainly used in radar for backing car, stadimeter, fill level measuring device, mobile robot's development, building operation building site and some industry spot etc., utilize ultrasound examination often relatively rapidly, conveniently, and calculate simple, be easy to accomplish real-time control, aspect measuring accuracy, also can reach the practical requirement of industry, therefore obtain using widely.
Other ranging technologies are with low cost relatively in ultrasonic ranging, measuring accuracy is higher, be not subjected to environmental limit, it is convenient to use, it is combined with infrared and gray-scale sensor etc. can realize the robot hunting jointly and around the barrier function, the place ahead obstacle distance is discovered by sensory perceptual system by robot and surrounding environment realizes around functions such as barrier, self-hunting, range findings.For the mobile robot can be walked by automatic obstacle-avoiding, just must equip range measurement system, so that it in time obtains the range information (distance and direction) apart from barrier.The short distance ultrasonic distance measuring module can be installed on a plurality of different directions of mobile robot, so that understand the environmental information on its place ahead, left side and right side, can help robot to finish the detection mission of range observation, barrier.
At present, ultrasonic distance measuring module commonly used, the circuit more complicated provide parallel port or common serial port mostly, and these resources is often taken by miscellaneous equipment.
The utility model content
The utility model propose at the hunting of robot with around the barrier function a kind of simple in structure, measuring accuracy is high, the short distance supersonic sounding module of applied range.
This short distance supersonic sounding module comprises: power circuit, ultrasound wave transtation mission circuit, single chip circuit and ultrasound wave receiving circuit, wherein: power circuit is given ultrasound wave transtation mission circuit, single chip circuit and the power supply of ultrasound wave receiving circuit respectively, is connected with the input end of ultrasound wave transtation mission circuit behind the output terminal serial connection single chip circuit of ultrasound wave receiving circuit.
Described power circuit output 3.3V and two kinds of voltages of 5V.
Described single chip circuit comprises microcontroller, single channel serial driver/receiver chip, serial interface and I
2C interface, wherein: single channel serial driver/receiver chip carries out serial data communication by serial interface and outside, and microcontroller passes through I
2I is carried out in C interface and outside
2The C data communication, the power input of microcontroller and single channel serial driver/receiver chip all is connected the 3.3V output terminal of power circuit, I
2The power input of C interface connects the 5V output terminal of power circuit.
Described ultrasound wave transtation mission circuit comprises that level transferring chip and ultrasound wave send probe, and level transferring chip sends probe with ultrasound wave and is connected, and the T1IN of level transferring chip holds P0.1 and the P0.2 end that is connected microcontroller respectively with T2IN.
The utility model adopts embedded technology to detect ultrasonic signal, hardware configuration is simple, reliable operation, measuring error are little, low in energy consumption, use cost is low, not only can realize mobile robot's hunting and around the barrier function, also can obtain good application in other detection system.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model, number in the figure: the 1-power circuit; 2-ultrasound wave transtation mission circuit; The 3-single chip circuit; 4-ultrasound wave receiving circuit.
Embodiment
Structured flowchart of the present utility model as shown in Figure 1, comprise power circuit, ultrasound wave transtation mission circuit, single chip circuit and ultrasound wave receiving circuit, wherein: power circuit provides 5V voltage for respectively ultrasound wave transtation mission circuit, single chip circuit and ultrasound wave receiving circuit, power circuit is returned single chip circuit 3.3V is provided voltage, is connected with the input end of ultrasound wave transtation mission circuit behind the output terminal serial connection single chip circuit of ultrasound wave receiving circuit.
Be circuit theory diagrams of the present utility model as shown in Figure 2, voltage transitions chip U1 in the power circuit 1 adopts AMS1117, the 5V input voltage is at first received the Vin end of voltage transitions chip U1 after capacitor C 1 filtering through a 10uf again, the Vout end of voltage transitions chip U1 is power light D1 power supply by resistance R 2 then by one 0 Europe resistance R 1 output 3.3V burning voltage; Ultrasound wave receiving circuit 4 inserts 5V voltage, ultrasound wave receiving transducer J2 is by linking to each other with operational amplifier U5B through resistance R 14 after resistance R 17 and the capacitor C 11 again, link to each other with operational amplifier U5A with resistance R 15 backs through capacitor C 12 successively then, behind resistance R 16, reverser U4A, U4B, be connected to the P2.7 end of the microcontroller U2 in the single chip circuit 3 after amplifying through two-stage more successively; In the single chip circuit 3, microcontroller U2 adopts P89LPC938FDH, single channel serial driver/receiver chip U20 adopts MAX3221, microcontroller U2 comes computed range by the signal that detects P2.7 termination receipts, 18 pin of microcontroller U2 are connected with 9 pin with 11 pin of single channel serial driver/receiver chip U20 respectively with 17 pin, 13 pin of single channel serial driver/receiver chip U20 are connected with 1 pin with 2 pin of serial interface COM1 (RS232) respectively with 8 pin, can carry out serial ports RS232 data communication with the outside by this serial interface COM1, the P1.2 of microcontroller U2 end and P1.3 hold add respectively draw resistance R 8 and R6 and respectively with I
22 pin of C interface JP1 are connected with 3 pin, by this I
2C interface JP1 can carry out I with the outside
2The C data communication, microcontroller U2 and single channel serial driver/receiver chip U20 all insert 3.3V voltage, I
21 pin of C interface JP1 inserts 5V voltage, 4 pin ground connection; In the ultrasound wave transtation mission circuit 2, level transferring chip U3 adopts MAX232, the P0.1 end of microcontroller U2 is connected with the T2IN end with the T1IN end of level transferring chip U3 respectively with the P0.2 end, and the output port T1OUT of level transferring chip U3 sends probe J1 with T2OUT with ultrasound wave and is connected.
The utility model adopts resistance, electric capacity, operational amplifier and phase inverter to form two-stage amplification and filtering circuit, realized simultaneously the ultrasound wave analog signal conversion being become digital signal to handle for microcontroller to the two-stage amplification and the filtering of the ultrasonic signal that receives; Microcontroller is according to the corresponding time of this calculated signals, and obtains needed range data, when needs with data in time by serial interface or I
2C interface sends out, and can reduce the load of host computer like this, reduces measuring error, improves the reliability of data, simplifies the hardware configuration of host computer, reduces use cost.
Claims (4)
1. short distance supersonic sounding module, it is characterized in that: comprise power circuit, ultrasound wave transtation mission circuit, single chip circuit and ultrasound wave receiving circuit, wherein: power circuit is given ultrasound wave transtation mission circuit, single chip circuit and the power supply of ultrasound wave receiving circuit respectively, is connected with the input end of ultrasound wave transtation mission circuit behind the output terminal serial connection single chip circuit of ultrasound wave receiving circuit.
2. short distance supersonic sounding module according to claim 1 is characterized in that: described power circuit output 3.3V and two kinds of voltages of 5V.
3. short distance supersonic sounding module according to claim 1 is characterized in that: described single chip circuit comprises microcontroller (U2), single channel serial driver/receiver chip (U20), serial interface (COM1) and I
2C interface (JP1), wherein: single channel serial driver/receiver chip (U20) carries out serial data communication by serial interface (COM1) and outside, and microcontroller (U2) passes through I
2C interface (JP1) carries out I with the outside
2C data communication, microcontroller (U2) and the power input of single channel serial driver/receiver chip (U20) all are connected the 3.3V output terminal of power circuit, I
2The power input of C interface (JP1) connects the 5V output terminal of power circuit.
4. according to claim 1 or 3 described short distance supersonic sounding modules, it is characterized in that: described ultrasound wave transtation mission circuit comprises that level transferring chip (U3) and ultrasound wave send probe (J1), level transferring chip (U3) sends probe (J1) with ultrasound wave and is connected, and the T1IN of level transferring chip (U3) holds with P0.1 and P0.2 that the T2IN end is connected microcontroller (U2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202842418U CN201548694U (en) | 2009-12-03 | 2009-12-03 | Short distance ultrasound measurement module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202842418U CN201548694U (en) | 2009-12-03 | 2009-12-03 | Short distance ultrasound measurement module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548694U true CN201548694U (en) | 2010-08-11 |
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ID=42603870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202842418U Expired - Fee Related CN201548694U (en) | 2009-12-03 | 2009-12-03 | Short distance ultrasound measurement module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201548694U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063293A (en) * | 2013-01-15 | 2013-04-24 | 杭州成功超声电源技术有限公司 | Circuit applied to sound intensity measurement of ultrasonic waves |
| CN106926273A (en) * | 2017-03-15 | 2017-07-07 | 苏州德旺宝机器人智能科技有限公司 | A kind of industrial machinery arm range finder module |
| CN113900106A (en) * | 2021-09-01 | 2022-01-07 | 淮南师范学院 | Scanning type distance measurement obstacle avoidance system based on LabVIEW |
-
2009
- 2009-12-03 CN CN2009202842418U patent/CN201548694U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063293A (en) * | 2013-01-15 | 2013-04-24 | 杭州成功超声电源技术有限公司 | Circuit applied to sound intensity measurement of ultrasonic waves |
| CN103063293B (en) * | 2013-01-15 | 2014-08-20 | 杭州成功超声电源技术有限公司 | Circuit applied to sound intensity measurement of ultrasonic waves |
| CN106926273A (en) * | 2017-03-15 | 2017-07-07 | 苏州德旺宝机器人智能科技有限公司 | A kind of industrial machinery arm range finder module |
| CN113900106A (en) * | 2021-09-01 | 2022-01-07 | 淮南师范学院 | Scanning type distance measurement obstacle avoidance system based on LabVIEW |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20121203 |