CN206892335U - A kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection - Google Patents
A kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection Download PDFInfo
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- CN206892335U CN206892335U CN201720870076.9U CN201720870076U CN206892335U CN 206892335 U CN206892335 U CN 206892335U CN 201720870076 U CN201720870076 U CN 201720870076U CN 206892335 U CN206892335 U CN 206892335U
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- 238000005259 measurement Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection, including transmitter, receiver and computer end module；The transmitter includes launcher shell, transmitter gps receiver, transmitter transducer and transmitter microprocessor；The transmitter gps receiver and transmitter transducer are connected with transmitter microprocessor respectively；The receiver includes receiver casing, receiver gps receiver, receiver transducer, receiver RF modules and receiver microprocessor, and the receiver gps receiver, receiver transducer and receiver RF modules are connected with receiver microprocessor respectively；The computer end module includes basic computer, computer end module housing and computer RF modules；The computer RF modules are connected with basic computer.The utility model is installed on testee, and using ultrasonic wave correlation measuring method, synchronous signal receiver, range measurement, data transfer are used and be wirelessly transferred, automatic measurement, and measurement accuracy precision is high.
Description
Technical field
Ranging technology field is the utility model is related to, concretely relates to a kind of high accuracy transmitting-receiving based on phase-detection
Split ultrasonic range-measurement system.
Background technology
In today of science and technology rapid development, e measurement technology also obtains high speed development, and the height of measurement accuracy is to weigh
The horizontal major criterion of e measurement technology.Movement locus measurement is an important development direction of accurate measurement.Existing motion rail
Although mark measurement is as high such as laser tracker measuring system, three coordinate machine measuring system, electronic theodolite measuring system measurement accuracy, all
Artificial participation can't be completely free of, measurement efficiency is low.At present, laser ranging is a Main Means of high-acruracy survey, but
It is that laser has that diversity is small, aiming requires the shortcomings that high, and the range measurement for two objects in motion process just needs
By manually aiming at, measurement request is can be only achieved, this does not substantially meet the requirement that today's society automatically controls.
Ultrasonic ranging has certain convenience, and the spherical wave that ultrasonic transducer is sent has certain angle of divergence,
Omnidirectional automatic tracing and measuring can be realized.Existing ultrasonic ranging system typically is used to survey using reflective measuring method
The distance between objects of two motions of amount, easy caused a series of problems of reflective measuring method, such as reflection point position
Uncertainty, signal overlap caused by the irregularities and multipath reflection of reflecting surface, influences measurement accuracy.
Utility model content
The purpose of this utility model is to provide a kind of high accuracy transmitting-receiving Split ultrasonic ranging based on phase-detection
System, its can automatic measurement, measurement accuracy is high.
To achieve the above object, the utility model uses following technical scheme：
It is a kind of based on phase-detection high accuracy transmitting-receiving Split ultrasonic range-measurement system, including transmitter, receiver and
Computer end module；
The transmitter includes launcher shell, transmitter gps receiver, transmitter transducer and transmitter microprocessor
Device；The transmitter transducer, transmitter microprocessor are in the launcher shell；The transmitter gps receiver is set
In outside the launcher shell；The transmitter gps receiver and transmitter transducer respectively with the transmitter microprocessor
It is connected；
The receiver include receiver casing, receiver gps receiver, receiver transducer, receiver RF modules and
Receiver microprocessor, the receiver gps receiver receiver RF modules, receive outside the receiver casing
Device transducer and receiver microprocessor are in the receiver casing；The receiver gps receiver, receiver transducer
And receiver RF modules are connected with the receiver microprocessor respectively；
The computer end module includes basic computer, computer end module housing and computer RF modules；The computer RF modules
In the computer end module housing, the computer RF modules are connected with the basic computer；
The receiver transducer receives the ultrasonic signal that the transmitter transducer is sent；The computer RF modules connect
Receive the radiofrequency signal that the receiver RF modules are sent.
The receiver microprocessor includes the envelope peak detection module, A/D sampling modules and processing mould being sequentially connected
Block, the envelope peak detection module are used for the arrival time of pre-estimation ultrasonic signal, and the A/D sampling modules are used for data
Sampling, the processing module carries out Wavelet Denoising Method to sampled signal, then carries out cross-correlation time delay algorithm and FFT phase estimations respectively
Algorithm, two processes of bigness scale and accurate measurement are realized to same section of reception signal, finally to two parts Data Integration.
Further, the computer end module also includes Temperature Humidity Sensor, and the Temperature Humidity Sensor is located at the electricity
In brain end module shell, the Temperature Humidity Sensor is connected with the computer RF modules.
Further, it also includes alignment device, and the alignment device includes the laser on the launcher shell
Positioning lamp and the positioning hole on the receiver casing.
Preferably, the transmitter also includes the toggle switch on the launcher shell, the toggle switch with
The laser localized light comparing is connected.
Preferably, the computer RF modules are connected by USB port with the basic computer.
Preferably, the centre frequency of the transmitter transducer and receiver transducer is 50khz, field angle is 6 °-
35°。
After adopting the above technical scheme, the utility model has the following advantages that：
1st, the utility model uses correlation measuring method, and ultrasonic wave transmitting terminal and receiving terminal are separated, i.e., sent out ultrasonic wave
Emitter is separately mounted on two different testees from receiver, is avoided a series of caused by reflective measuring method
Problem, and allow certain angle be present, it is not required that face, needed when solving laser ranging well testee with
Laser beam keeps short slab in the same horizontal line.
2nd, GPS solves the stationary problem in split type supersonic sounding, can substantially disappeared well as synchronizing signal
Except the interference of synchronous error.
3rd, measurement data is handled by receiver RF module transfers to computer RF modules, greatly alleviates microprocessor
The workload of device, microprocessor short slab relatively weak in terms of algorithm is filled up, reduced the time span of single measurement.
4th, the utility model is installed on testee, installs simple and convenient, synchronous signal receiver, range measurement, data
Transmission using being wirelessly transferred, without wiring, automatic measurement, measurement accuracy precision height, has pole in terms of attitude orientation measurement
Its profound significance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is FB(flow block) of the present utility model.
Reference numeral explanation:
Transmitter 1, launcher shell 11, toggle switch 12, transmitter gps receiver 13, transmitter microprocessor 14, hair
Emitter transducer 15, laser localized light comparing 16, receiver 2, receiver casing 21, receiver gps receiver 22, receiver RF modules
23rd, receiver microprocessor 24, receiver transducer 25, positioning hole 26, computer end module 3, computer end module housing 31, warm and humid
Spend sensor 32, computer RF modules 33, basic computer 34.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
With reference to figure 1, Fig. 2, the utility model discloses a kind of high accuracy transmitting-receiving Split ultrasonic based on phase-detection
Range-measurement system, it includes transmitter 1, receiver 2 and computer end module 3.
Transmitter 1 includes launcher shell 11, transmitter gps receiver 13, transmitter transducer 15 and the micro- place of transmitter
Manage device 14；Transmitter transducer 15, transmitter microprocessor 14 are in launcher shell 11；Transmitter gps receiver 13 is set
In outside launcher shell 11；Transmitter gps receiver 13 and transmitter transducer 15 are connected with transmitter microprocessor 14 respectively；
Launcher shell 11 is provided with laser localized light comparing 16 and toggle switch 12, and toggle switch 12 is connected with laser localized light comparing 16.
Receiver 2 includes receiver casing 21, receiver gps receiver 22, receiver transducer 25, receiver RF modules
23 and receiver microprocessor 24, receiver gps receiver 22 receiver RF modules 23, receives outside receiver casing 21
Device transducer 25 and receiver microprocessor 24 are in receiver casing 21；Receiver gps receiver 22, receiver transducer
25 and receiver RF modules 23 are connected with receiver microprocessor 24 respectively.Receiver casing 21 is provided with positioning hole 26.
Computer end module 3 includes basic computer 34, computer end module housing 31, computer RF modules 33, Temperature Humidity Sensor
32；Computer RF modules 33, Temperature Humidity Sensor 32 are in computer end module housing 31, Temperature Humidity Sensor 32 and computer RF moulds
Block 33 is connected, and computer RF modules 33 are connected by USB port with basic computer 34, power supply are provided by basic computer 34, without another
Outer power supply.
Receiver transducer 25 receives the ultrasonic signal that transmitter transducer 15 is sent；Computer RF modules 33 receive
The radiofrequency signal that device RF modules 23 are sent.
Transmitter transducer 15 and receiver transducer 25 are using U.S. series600 transmitting-receiving transducers, stable performance, hair
It is remote to penetrate distance, precision is high, centre frequency 50khz, and field angle is 6 ° -35 °, have broad frequency band, good reception susceptibility,
Larger transmission power and faster response speed, for no matter measuring the moving object within 15 meters in precision, or
Requirement is complied fully with distance.
Transmitter 1 is aligned by laser localized light comparing 16 with receiver 2, and in the aligning process, toggle switch 12 needs
Alignment shelves are pushed, are defined by the bright beam alignment positioning hole 26 of laser localized light comparing 16, toggle switch 12 reverses test shelves after alignment.
Transmitter when transmitter gps receiver 13 and receiver gps receiver 22 use satellite-signal as measurement distance
The synchronizing signal of transducer 15 and receiver transducer 25, have signal stabilization consistent, do not limited by space time, whenever and wherever possible
It can collect.A GPS transponder need to only be increased when indoors to introduce interior outside outdoor signal.
For transmitter microprocessor 14 while GPS synchronizing signals are received, transmitter transducer 15 is to receiver transducing
Device 25 launches 50KHz ultrasonic signals, and receiver microprocessor 24 starts timing when receiving synchronizing signal, and receiver changes
Energy device 25 stops timing when detecting received wave, because the aerial spread speed of gps signal is 3.0 × 108M/s or so,
For the aerial spread speed of ultrasonic wave in 340m/s or so, gps signal speed is far longer than ultrasonic velocity, therefore can recognize
Emission time at the time of to receive gps signal equal to ultrasonic wave is time zero.Received ultrasonic signal is examined using AD
Survey method, relevant comparative continuously is carried out with transmitted waveform after detection whole cycle waveform, so as to show that ultrasonic wave is aerial
Flight time.
Receiver microprocessor 24 includes envelope peak detection module, A/D sampling modules and the processing module being sequentially connected.
Receiver transducer 25 receives ultrasonic signal, first passes around the arrival of envelope peak detection module pre-estimation ultrasonic signal
Time, A/D sampling modules are opened, then processing module carries out Wavelet Denoising Method to sampled signal, then carries out cross-correlation time delay respectively
Algorithm and FFT phase estimation algorithms, two processes of bigness scale and accurate measurement are realized to same section of reception signal, finally to two parts data
Measurement data is sent to computer RF modules 33 by receiver RF modules 23 after integration, computer RF modules 33 are uploaded to computer again
Main body 34 carries out final data processing.
Temperature Humidity Sensor 32, it monitoring of environmental humiture can change in real time, be stood when the humiture detected changes
Basic computer 34 is transferred to, so that basic computer 34 can effectively add temperature and humidity compensation in processing data, improves and surveys
Accuracy of measurement.
More than, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with power
The protection domain that profit requires is defined.
Claims (7)
- A kind of 1. high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection, it is characterised in that：Including transmitter, Receiver and computer end module；The transmitter includes launcher shell, transmitter gps receiver, transmitter transducer and transmitter microprocessor；Institute Transmitter transducer, transmitter microprocessor are stated in the launcher shell；The transmitter gps receiver is located at described Outside launcher shell；The transmitter gps receiver and transmitter transducer are connected with the transmitter microprocessor respectively；The receiver includes receiver casing, receiver gps receiver, receiver transducer, receiver RF modules and reception Device microprocessor, outside the receiver casing, the receiver RF modules, receiver change the receiver gps receiver Energy device and receiver microprocessor are in the receiver casing；The receiver gps receiver, receiver transducer and connect Device RF modules are received respectively with the receiver microprocessor to be connected；The computer end module includes basic computer, computer end module housing and computer RF modules；The computer RF modules are located at In the computer end module housing, the computer RF modules are connected with the basic computer；The receiver transducer receives the ultrasonic signal that the transmitter transducer is sent；The computer RF modules receive institute State the radiofrequency signal that receiver RF modules are sent.
- 2. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 1, it is special Sign is：The receiver microprocessor includes the envelope peak detection module, A/D sampling modules and processing mould being sequentially connected Block, the envelope peak detection module are used for the arrival time of pre-estimation ultrasonic signal, and the A/D sampling modules are used for data Sampling, the processing module carries out Wavelet Denoising Method to sampled signal, then carries out cross-correlation time delay algorithm and FFT phase estimations respectively Algorithm, two processes of bigness scale and accurate measurement are realized to same section of reception signal, finally to two parts Data Integration.
- 3. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 1 or 2, its It is characterised by：The computer end module also includes Temperature Humidity Sensor, and the Temperature Humidity Sensor is located at the computer end module In shell, the Temperature Humidity Sensor is connected with the computer RF modules.
- 4. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 3, it is special Sign is：It also includes alignment device, and the alignment device includes the laser localized light comparing on the launcher shell and set Positioning hole on the receiver casing.
- 5. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 4, it is special Sign is：The transmitter also includes the toggle switch on the launcher shell, the toggle switch and the laser Positioning lamp is connected.
- 6. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 3, it is special Sign is：The computer RF modules are connected by USB port with the basic computer.
- 7. a kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection as claimed in claim 3, it is special Sign is：The centre frequency of the transmitter transducer and receiver transducer is 50khz, and field angle is 6 ° -35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720870076.9U CN206892335U (en) | 2017-07-18 | 2017-07-18 | A kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720870076.9U CN206892335U (en) | 2017-07-18 | 2017-07-18 | A kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection |
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| Publication Number | Publication Date |
|---|---|
| CN206892335U true CN206892335U (en) | 2018-01-16 |
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| CN201720870076.9U Expired - Fee Related CN206892335U (en) | 2017-07-18 | 2017-07-18 | A kind of high accuracy transmitting-receiving Split ultrasonic range-measurement system based on phase-detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161508A (en) * | 2019-06-03 | 2019-08-23 | Oppo广东移动通信有限公司 | Distance measuring method, device, terminal and storage medium |
| CN110988853A (en) * | 2019-12-23 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Ultrasonic arrival time calculation method based on effective peak value |
-
2017
- 2017-07-18 CN CN201720870076.9U patent/CN206892335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161508A (en) * | 2019-06-03 | 2019-08-23 | Oppo广东移动通信有限公司 | Distance measuring method, device, terminal and storage medium |
| CN110988853A (en) * | 2019-12-23 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Ultrasonic arrival time calculation method based on effective peak value |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 |