CN104569989A - Ultrasonic wave tachometer suitable for highways - Google Patents
Ultrasonic wave tachometer suitable for highways Download PDFInfo
- Publication number
- CN104569989A CN104569989A CN201310477680.1A CN201310477680A CN104569989A CN 104569989 A CN104569989 A CN 104569989A CN 201310477680 A CN201310477680 A CN 201310477680A CN 104569989 A CN104569989 A CN 104569989A
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- China
- Prior art keywords
- module
- ultrasound wave
- ultrasonic wave
- signal processing
- speed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an ultrasonic wave tachometer suitable for highways, and belongs to the technical field of automatic control. The tachometer disclosed by the invention is characterized by comprising an ARM controller (1), a display module (2), a keyboard input module (3), a power supply module (4), a temperature compensation module (5), a driver module (6), a signal processing module (7) , an ultrasonic emission module (8) and an ultrasonic wave receiving module (9). Compared with the prior art, the tachometer has the advantages of simple structure, convenient mounting and debugging, high system reliability, broad application scope, convenient maintenance and the like.
Description
Technical field
The invention belongs to automatic control technology field, in particular, belong to a kind of ultrasound speed instrument being applicable to highway.
Background technology
Ultrasound wave tests the speed and is divided into time difference method and frequency-difference method, and time difference method is used for low speed and measures, and frequency difference rule is used for measuring at a high speed.Time difference method tests the speed and mainly utilizes, and ultrasound wave transmitting and receiving probe is in a certain time interval, double to object under test transmitting and receiving ultrasound wave.According to ultrasonic ranging principle, can, according to during twice emitting and determinand distance, calculate in the twice emitting time interval, the displacement that object under test occurs, and then obtain its speed.
The theoretical foundation that frequency-difference method tests the speed then derives from Doppler effect principle, after ultrasound wave transmitting probe launches ultrasound wave, received by ultrasound wave receiving transducer again after the reflections off objects of certain speed motion, hyperacoustic frequency there occurs certain change, according to the relation between this frequency difference, ultrasonic propagation velocity, speed of moving body, speed of moving body can be calculated.
Existing ultrasound speed system, is the single application to above two kinds of methods mostly, and when tested speed variation is larger, takes any one in these two kinds of single speed-measuring methods, be all difficult to meet measuring accuracy requirement.Therefore, designing with single-chip microcomputer is core, and integrated poor method tests the speed and frequency-difference method tests the speed in same set of system, becomes the key of the ultrasound speed system being applicable to highway.
Summary of the invention
The present invention, in order to effectively solve above technical matters, gives a kind of ultrasound speed instrument being applicable to highway.
A kind of ultrasound speed instrument being applicable to highway of the present invention, is characterized in that: comprise ARM controller, display module, input through keyboard module, power module, temperature compensation module, driver module, signal processing module, ultrasound wave transmitter module, ultrasound wave receiver module; Wherein:
Described ARM controller is connected with described display module, described input through keyboard module, described power module, described temperature compensation module, described driver module, described signal processing module respectively, and described ultrasound wave transmitter module is connected with described driver module, described ultrasound wave receiver module is connected with described signal processing module.
The present invention is compared with prior art: have the advantages such as structure is simple, Installation and Debugging convenient, system reliability is high, applied widely, easy to maintenance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation that the present invention is applicable to the ultrasound speed instrument of highway.
Embodiment
Fig. 1 is the structural representation that the present invention is applicable to the ultrasound speed instrument of highway, and the ultrasound speed instrument being applicable to highway comprises ARM controller 1, display module 2, input through keyboard module 3, power module 4, temperature compensation module 5, driver module 6, signal processing module 7, ultrasound wave transmitter module 8, ultrasound wave receiver module 9; Wherein:
Described ARM controller 1 is connected with described display module 2, described input through keyboard module 3, described power module 4, described temperature compensation module 5, described driver module 6, described signal processing module 7 respectively, and described ultrasound wave transmitter module 8 is connected with described driver module 6, described ultrasound wave receiver module 9 is connected with described signal processing module 7.
Claims (1)
1. be applicable to a ultrasound speed instrument for highway, it is characterized in that: comprise ARM controller (1), display module (2), input through keyboard module (3), power module (4), temperature compensation module (5), driver module (6), signal processing module (7), ultrasound wave transmitter module (8), ultrasound wave receiver module (9); Wherein:
Described ARM controller (1) is connected with described display module (2), described input through keyboard module (3), described power module (4), described temperature compensation module (5), described driver module (6), described signal processing module (7) respectively, and described ultrasound wave transmitter module (8) is connected with described driver module (6), described ultrasound wave receiver module (9) is connected with described signal processing module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477680.1A CN104569989A (en) | 2013-10-14 | 2013-10-14 | Ultrasonic wave tachometer suitable for highways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477680.1A CN104569989A (en) | 2013-10-14 | 2013-10-14 | Ultrasonic wave tachometer suitable for highways |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104569989A true CN104569989A (en) | 2015-04-29 |
Family
ID=53086506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477680.1A Pending CN104569989A (en) | 2013-10-14 | 2013-10-14 | Ultrasonic wave tachometer suitable for highways |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104569989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848533A (en) * | 2017-02-21 | 2017-06-13 | 凌企芳 | A kind of railway line monitoring device |
-
2013
- 2013-10-14 CN CN201310477680.1A patent/CN104569989A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848533A (en) * | 2017-02-21 | 2017-06-13 | 凌企芳 | A kind of railway line monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |