CN206311202U - A kind of fully-automatic supersonic directive property test system - Google Patents
A kind of fully-automatic supersonic directive property test system Download PDFInfo
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- CN206311202U CN206311202U CN201621459483.2U CN201621459483U CN206311202U CN 206311202 U CN206311202 U CN 206311202U CN 201621459483 U CN201621459483 U CN 201621459483U CN 206311202 U CN206311202 U CN 206311202U
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Abstract
The utility model discloses a kind of fully-automatic supersonic directive property test system, including the test device in first support, with installation intensity of sound testing equipment on the secondary support bracket, ultrasonic sensor is installed in test device, test device includes the stepper motor for horizontally rotating and the steering wheel for vertical rotation, intensity of sound testing equipment connects host computer, ultrasonic sensor is driven by ultrasonic sensor drive circuit, ultrasonic sensor drive circuit is by the master control circuit controls that are connected with host computer, master control circuit controls stepper motor horizontally rotates and is vertically rotated with steering wheel, host computer is used to control the velocity of rotation and angle of test device, display test mode, and preserve test data.Simple to operate, reliability is high, just can be tested after being calibrated to probe positions by upper computer software, and data are analyzed by excel templates, draws the Direction Curve and resonse characteristic of ultrasonic probe.
Description
Technical field
The utility model belongs to ultrasonic wave directive property technical field of measurement and test, is pointed to more particularly to a kind of fully-automatic supersonic
Property test system.
Background technology
Ultrasonic wave due to its good directive property, can be widely used in marine exploration and exploitation, Non-Destructive Testing and assessment,
The application fields such as medical diagnosis, radar for backing car.
The sound intensity rank of the directive property of ultrasonic wave, i.e. sensor in each angle in space exploration, determines that ultrasonic wave is passed
The investigative range of sensor, is one of most important performance indications of ultrasonic sensor.Directive property test is one sensor of assessment
The required link of performance.General measure method complex operation, installs inconvenient, and replaceability is poor, and Reliability is poor, and efficiency is low.
The Chinese utility model patent of Application No. 2015101491310 discloses a kind of ultrasonic wave directive property test system
System.Ultrasonic sensor is arranged on head, and the head is rack-mount, and intensity of sound testing equipment is arranged on another
On frame, the ultrasonic signal strength that the intensity of sound testing equipment is detected is sent to main control circuit, and the ultrasonic wave is passed
Sensor is driven by ultrasonic sensor drive circuit；The main control circuit is used to control ultrasonic sensor drive circuit, drives
Dynamic head work, receives the detection data of intensity of sound testing equipment, and then data are packed, and data are carried out using serial ports and PC
Interaction, obtains instruction, uploads data；The PC is used to set head parameter and treatment ultrasonic wave directive property test data.Pass through
Intensity to ultrasonic wave under each angle in the test space is measured, and calculates the laterally and vertically detection model of ultrasonic sensor
Enclose, build 3d space measurement range, and set up data archival automatically, be easy to later data analysis and extraction.Its test process
It is that intensity of sound is sent to main control circuit, then data packing is interacted with PC, process is relatively complicated, poor real.Level
Angle could realize 360 ° of corners by the second steering wheel and the 3rd steering wheel relay, this, high cost extremely harsh to steering wheel performance requirement,
The Reliability reduction of the data of measurement is caused without detection means simultaneously.And, it is impossible to immediately arrive at the finger of ultrasonic probe
To linearity curve and resonse characteristic, the field angle of ultrasonic probe is solved.
Utility model content
In order to solve above-mentioned technical problem, the utility model is tested there is provided a kind of fully-automatic supersonic directive property
System, simple to operate, reliability is high, just can be surveyed after being calibrated to probe positions by the upper computer software on PC
Data are analyzed by examination by excel templates, draw the Direction Curve and resonse characteristic of ultrasonic probe, are solved
The field angle of ultrasonic probe.
The technical solution of the utility model is：
A kind of fully-automatic supersonic directive property test system, including the test device in first support, and install
Intensity of sound testing equipment on the secondary support bracket, is provided with ultrasonic sensor in the test device, test device includes
For the stepper motor for horizontally rotating and for the vertical steering wheel for rotating, the intensity of sound testing equipment connects host computer, institute
Test device is stated by master control circuit controls, the ultrasonic sensor is driven by ultrasonic sensor drive circuit, it is described super
Sonic sensor drive circuit is by the master control circuit controls that are connected with host computer, the master control circuit controls stepper motor water
Flat turn is dynamic and steering wheel is vertically rotated, and the host computer is used to control the velocity of rotation and angle of test device, display test mode,
And preserve test data.
Preferably, the main control circuit includes the buzzer circuit, servo driving interface, the stepping that are connected with main control chip
Motor driving interface, sensor drive driving circuit interface, laser drive and receiving port and serial bus interface to pipe.
Preferably, the stepper motor carries closed-loop drive, and closed-loop drive is input into by electronic gear variable-definition
Unit pulse order to closed-loop drive controls transmission device displacement.
Preferably, the test device includes support, and the support upper end is provided with baffle plate, the ultrasonic sensor peace
Steering wheel and stepper motor are installed loaded on baffle plate, in support, steering wheel is used for the vertical corner of controlling baffle plate, and stepper motor is used to control
The level angle of support processed.
Compared with prior art, the utility model has the advantages that：
1. the utility model calculates the finger of ultrasonic sensor by the test to several Typical angles in the test space
To linearity curve and resonse characteristic, the field angle of ultrasonic sensor is solved.Its 3-dimensional detecting area can also be drawn out simultaneously
Domain.Supported for ultrasonic sensor design provides data.Prompting function is provided with, when deviation honeybee occur in test completion or angle
Ring device can remind operating personnel in the different modes of piping.
2. the utility model combines the technologies such as sensor, computer software and hardware, electronic communication, realizes full-automatic survey
Examination, the function such as intelligent prompt, can immediately arrive at result of calculation and show, it is to avoid all artificial behaviour in addition to sensor is installed
Make, greatly reduce human cost and time-consuming, improve efficiency.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Fig. 1 is the structure principle chart of the utility model fully-automatic supersonic directive property test system；
Fig. 2 is the test flow chart of the utility model test system.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to specific embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit scope of the present utility model.Additionally, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure concept of the present utility model.
Embodiment：
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described further.
As shown in figure 1, a kind of ultrasonic wave directive property test system, ultrasonic sensor is installed in directive property test platform
On, directive property test platform is located on support, and sound pressure level test microphone is installed on another support.Support is used for adjusting ultrasound
The relative position of wave sensor and intensity of sound testing equipment, to measure the spatial distribution of ultrasonic sensor intensity of acoustic wave,
This two parts is placed in 1.00*1.00*1.00m3Diaphragm tone chamber in.
Ultrasonic sensor is arranged on directive property test platform, can be fixed by rubber ring, ultrasonic sensor
Level angle by step motor control, vertical corner by servos control, each vertical angles correspondence 360 ° of level angles.Ultrasound
Wave sensor is driven by ultrasonic sensor drive circuit, master control circuit controls ultrasonic sensor drive circuit, drive finger
Sensor horizontally and vertically corner on tropism test platform.Angular signal is sent to PC by main control circuit, and PC is synchronous from acoustic pressure
Level equipment obtains acoustic pressure DBMS.
Main control circuit, main control circuit is by the lease core system using STM32F103RD as main control chip, buzzer
Circuit, servo driving interface, driving stepper motor interface, sensor drive driving circuit interface and laser drive and receiving terminal to pipe
Mouth and serial bus interface composition.Servo driving interface provides ground wire, 5V power supplys and pulse signal.Stepper motor interface body arteries and veins
Punching input, direction input and motor enable input.Serial bus interface is used to carry out data interaction with PC.
Stepper motor carries closed-loop drive, and driver is defined using electronic gear variable.Can be with by electronic gear
The unit pulse order that definition is input to driver makes transmission device move any distance, and 3600 are set to here.Often rotate
1 ° of needs, 10 pulses.
Directive property test platform includes support, baffle plate, steering wheel, stepper motor.Baffle plate is arranged on above support, and ultrasonic wave is visited
Head is arranged on baffle plate.Steering wheel and stepper motor are arranged in support, and steering wheel is used for the vertical corner of controlling baffle plate, stepper motor
Control the level angle of support.Laser is installed to pipe, for horizontal level calibration.
Ultrasonic drive circuit is mainly made up of transistor, transformer and filter circuit, main control circuit set frequency and
Amplitude.PC host computers can by send instruction FQxx r n frequency is set, it is kHz that xx represents arithemetic unit, the scope of xx is
10 to 1000, set and successfully return to OK r n.
Sound-pressure-level measurement equipment, sound-pressure-level measurement equipment is made up of microphone and sound pressure level measuring amplifier, PC harmony
Data interaction is carried out by serial data bus between measuring apparatus of arbitrarily downgrading, PC is obtaining the information that main control circuit horizontally rotates
When synchronized transmission instruct to sound-pressure-level measurement equipment to read acoustic pressure DBMS.
The host computer interface software of PC can set the rotating speed and corner of motor, configure serial ports parameter, while display is current
Test mode, data are preserved after the completion of test to excel forms.Mode of operation can be set, can be tested with a key, can also divide
Pacing is tried.Test step by step refers to that test can test any one group of directive property data of vertical angles every time.
As shown in Fig. 2 testing process is as follows：
1. first, to stepper motor driver, sensor drive driving circuit, main control circuit, sound-pressure-level measurement equipment and PC
Power supply.
2. sound-pressure-level measurement equipment is set, upper computer software is opened at PC ends, configure serial ports, the level angle that will be popped one's head in
The relative position Shi Qi centers of the position of rotation to 180 °, calibration probe and microphone are on same straight line.Send FQ68 r
N sets sensor driving frequency.
3. OPEN is clicked on, and selection is realized the excel templates made, chosen, clicks on and open.Choose Test one
Button clicks on AUTOTEST buttons and realizes automatic test.
Main controller controls ultrasonic sensor drive circuit works.The level popped one's head on test platform is controlled simultaneously and is erected
Straight corner.Vertical corner select 40 ° of representative values, 30 °, 60 °, 90 °, each representative value horizontally rotates 360 °, each angle pair
Answer a sound pressure level.Master controller sends a command to PC when controlling stepper motor often to rotate an angle by universal serial bus,
PC synchronously obtains current acoustic pressure DBMS and writes excel forms from sound pressure level equipment.
4. test overall process continues 18 minutes or so, when hearing that buzzer persistently pipes, illustrate test completion, and interface also can
Corresponding prompting " test is completed ", " successfully preserving data " dialog box.
5. excel forms are now opened, the Direction Curve and resonse characteristic of ultrasonic probe just can be immediately arrived at,
Read the field angle of ultrasonic probe.Record final result simultaneously files source file.
If stepping drop-in leapfrog in test process（Closed-loop control incidence is low）, buzzer can send the prompting that pipes
Operating personnel, buzzer also can point out operating personnel to test completion in the different modes of piping after the completion of test.
It should be appreciated that above-mentioned specific embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, without constituting to limitation of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvements done etc., should be included within protection domain of the present utility model.Additionally,
The utility model appended claims are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (4)
1. a kind of fully-automatic supersonic directive property test system, including the test device in first support, and be arranged on
Intensity of sound testing equipment in second support, ultrasonic sensor is provided with the test device, it is characterised in that test
Device includes the stepper motor for horizontally rotating and the steering wheel for vertical rotation, in the intensity of sound testing equipment connection
Position machine, by master control circuit controls, the ultrasonic sensor is driven the test device by ultrasonic sensor drive circuit,
The ultrasonic sensor drive circuit is by the master control circuit controls that are connected with host computer, the master control circuit controls stepping
Motor horizontally rotates and is vertically rotated with steering wheel, and the host computer is used to control the velocity of rotation and angle of test device, display to survey
Examination state, and preserve test data.
2. fully-automatic supersonic directive property test system according to claim 1, it is characterised in that the main control circuit
Connect including the buzzer circuit that is connected with main control chip, servo driving interface, driving stepper motor interface, sensor drive driving circuit
Mouth, laser drive and receiving port and serial bus interface to pipe.
3. fully-automatic supersonic directive property test system according to claim 1, it is characterised in that the stepper motor band
There is closed-loop drive, closed-loop drive is controlled by the unit pulse order that electronic gear variable-definition is input to closed-loop drive
Transmission device displacement.
4. fully-automatic supersonic directive property test system according to claim 1, it is characterised in that the test device bag
Support is included, the support upper end is provided with baffle plate, and the ultrasonic sensor is installed on baffle plate, and steering wheel and step are provided with support
Stepper motor, steering wheel is used for the vertical corner of controlling baffle plate, and stepper motor is used to control the level angle of support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459483.2U CN206311202U (en) | 2016-12-28 | 2016-12-28 | A kind of fully-automatic supersonic directive property test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459483.2U CN206311202U (en) | 2016-12-28 | 2016-12-28 | A kind of fully-automatic supersonic directive property test system |
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| Publication Number | Publication Date |
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| CN206311202U true CN206311202U (en) | 2017-07-07 |
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| CN201621459483.2U Active CN206311202U (en) | 2016-12-28 | 2016-12-28 | A kind of fully-automatic supersonic directive property test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768297A (en) * | 2016-12-28 | 2017-05-31 | 清华大学苏州汽车研究院（吴江） | A kind of fully-automatic supersonic directive property test system |
| CN113267208A (en) * | 2021-06-30 | 2021-08-17 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor testing device and system |
-
2016
- 2016-12-28 CN CN201621459483.2U patent/CN206311202U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768297A (en) * | 2016-12-28 | 2017-05-31 | 清华大学苏州汽车研究院（吴江） | A kind of fully-automatic supersonic directive property test system |
| CN113267208A (en) * | 2021-06-30 | 2021-08-17 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor testing device and system |
| CN113267208B (en) * | 2021-06-30 | 2023-09-19 | 广东奥迪威传感科技股份有限公司 | Ultrasonic sensor testing device and system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200324 Address after: 215200 No. 139 Yang Lian Road, Wujiang District, Jiangsu, Suzhou Co-patentee after: TSINGHUA University Patentee after: SUZHOU AUTOMOTIVE RESEARCH INSTITUTE, TSINGHUA UNIVERSITY (WUJIANG) Address before: 215200 No. 139 Yang Lian Road, Wujiang District, Jiangsu, Suzhou Patentee before: SUZHOU AUTOMOTIVE RESEARCH INSTITUTE, TSINGHUA UNIVERSITY (WUJIANG) |
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| TR01 | Transfer of patent right |