CN101833013B - Anemoscope for engineering test and working method thereof - Google Patents
Anemoscope for engineering test and working method thereof Download PDFInfo
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- CN101833013B CN101833013B CN2010101146977A CN201010114697A CN101833013B CN 101833013 B CN101833013 B CN 101833013B CN 2010101146977 A CN2010101146977 A CN 2010101146977A CN 201010114697 A CN201010114697 A CN 201010114697A CN 101833013 B CN101833013 B CN 101833013B
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Abstract
The invention discloses an anemoscope for an engineering test and a working method thereof, belonging to the technical field of engineering test equipment. The anemoscope comprises a data acquisition device, a PC (Personal Computer) and a power supply, wherein the data acquisition device comprises three paths of wind sensors which are respectively a wind sensor wind-speed module, a wind sensor wind-direction module and a wind sensor attack-angle module; an acquisition processing system and a communication system are also arranged between the data acquisition device and the PC; the acquisition processing system comprises three paths of A/D converters, a first microprocessor, a memory circuit and a first power supply circuit; and the communication system comprises a wired transmitting device and a wireless transmitting device. The invention solves the problems of huge wire distributing workload due to overlong wire connecting distance of a wired anemoscope and test accident generating probability increase due to excessive wire interfaces in the test process of a structural wind environment, solves the problems of difficult power supply, interference existence in signal transmission, and the like of the wireless anemoscope and solves the problems of unavailable elimination of abnormal test data of the traditional anemoscope, and the like.
Description
Technical field
The present invention relates to a kind of engineering test equipment, especially be applicable to the anemoscope of large scale civil engineering structure wind environment test.
Background technology
Wind is a kind of common spontaneous phenomenon.Because works mainly receives the influence of location near-earth wind, to the grasp of the near-earth wind characteristic basic foundation that to be the works wind force proofing design calculate with inspection, therefore, the research of near-earth wind characteristic is the basic work in Structural Wind Engineering field.
The related data of past wind characteristic mainly comes from each weather station, employing be the rotary cup type anemoscope because instrument inertia is too big, SF is very low, measured is has the average wind of distance regularly.Over nearly 50 years; Along with the lifting of measuring technology and manufacturing technology, the development of anemoclinograph is very fast, develops into laser, ultrasonic and microwave anemoscope from sensitive prop type anemometer; Precision is high, antijamming capability is strong, the small transient motion that can measure air.
The anemoscope system that generally is used at present the test of structure wind environment is made up of data acquisition unit, PC, power supply three parts, interconnects with electric wire between each several part.Test is decided by the test site environment to the needs of wire length, and common situation is to go test site with very long electric wire at present, in order to avoid can't accomplish because of wire length causes test inadequately.Secondly, on-the-spot arrangement electric wire arrangement workload is huge, and wire-excessive causes interface too much to increase the probability that test meets accident.
In order to develop the wind environment testing apparatus that can be adapted to various engineering-environments, be the basis with existing wired anemoscope, it is one of effective way that the combining wireless communication technology is improved design.Begun to carry out wireless anemoscope research at present both at home and abroad, but also had a lot of problems, and solved well as yet.Problems such as for example energy supply (power supply), signal shielding, signal transmission time lag and signal interference.
In addition; Existing anemoscope collects some strange, impossible at all data of reality through regular meeting; For example wind angle negative etc. perhaps occurs greater than 360 degree, therefore is necessary through reasonable setting threshold values, removes abnormal data; Make anemoscope have the preprocessing function of test data, make that image data can be direct.
The problems referred to above explanation; All there are relative merits separately in existing wired or wireless anemoscope; Every kind of anemoscope adopts separately; All be difficult to solve the problem that runs in the test of engineering structure wind environment well, press for and develop wired, the wireless two kinds of anemoscope advantage novel wind-speed appearance of set, to satisfy the wind environment test request of different engineering structures.
Summary of the invention
Goal of the invention:
The objective of the invention is to be the basis, process accordingly and reequip, design a kind of anemoscope that more is applicable to open-air engineering test with existing wired anemoscope.
Technical scheme:
A kind of anemoscope that is used for engineering test; Comprise data acquisition unit, PC, power supply; Wherein data acquisition unit is made up of three transportation work style sensors; Be respectively wind sensor wind speed module, wind sensor wind direction module, wind sensor angle of attack module, between said data acquisition unit and said PC, also be provided with acquisition processing system and communication system, said acquisition processing system comprises three road A/D converters, first microprocessor, memory circuit and first feed circuit; Wherein said three transportation work style sensors are connected with the input end of three road A/D converters respectively; The output terminal of three road A/D converters is connected with first microprocessor, and first little processing is connected with memory circuit, and first feed circuit provide power supply to acquisition processing system;
Said communication system comprises wired transmission device and radio transmitting device, and wherein said wired transmission device is connected to form by wire transmission interface, lead successively; Said radio transmitting device comprises initial wireless transmitter module, multi-hop routing node, terminal wireless receiver module.
The multi-hop routing node that the present invention is used for the anemoscope of engineering test comprises that wireless receiving module, second microprocessor, signal emission module connect to form successively, and this node also comprises second feed circuit that are used to provide power supply.
A kind of based on method of work of the present invention, anemoscope is gathered the wind characteristic data and may further comprise the steps:
The first step: the wind characteristic data that wind sensor wind speed module, wind sensor wind direction module, wind sensor angle of attack module are gathered respectively are respectively through being sent to first microprocessor after the A/D converter conversion;
Second the step: first microprocessor carries out pre-service according to setting program to the wind characteristic data that the first step sends, with pretreated data storage in memory circuit;
The 3rd step: first microprocessor is according to the time period of setting program, and extracting from memory circuit should all wind characteristic data of time period, carries out sequential operation and obtains data such as mean wind speed, wind direction, the angle of attack;
The 4th step: first microprocessor will be gone up said total data packing of step, carry out data through communication system and transmit;
The 5th step: when the user is set at wire transmission mode, said data of the 4th step are connected wired transmission interface to PC through the wire transmission module with lead; When the user is set at wireless transmission method; Receiving station is set, adopts several multi-hop routing nodes to carry out data transmission, the terminal wireless receiver module receives from last multi-hop routing node signal in standing; And being sent to PC, total system wind characteristic data acquisition task is accomplished.
Second step carried out pretreated method to the wind characteristic data and is in the method for work of the present invention: through setting the wind angle gathered and the threshold values of wind speed, remove abnormal data, concrete threshold value setting method is following: 0 °≤wind angle＜360 °; The maximum measurement range of 0 meter per second≤air speed value≤anemoscope.
Beneficial effect:
This wireless anemoscope not only has wireless transmission, precision scalable and preprocessing function, can also realize that wire and wireless changes automatically.Through the setting of preprocessing function, make that the wind characteristic data of output all are good sample, can avoid that existing anemoscope often collects that some are strange, the situation of possible data not.Through the setting of SF and measuring accuracy regulatory function,, can freely select according to importance degree, the length of test duration and the test request of testing engineering to satisfy the different test needs and the requirement of software and hardware.Through have/wireless transmission is provided with automatic conversion, satisfies different field conditions and test needs, improves the ability that the unexpected situation of reply occurs.Through the selection of special-purpose frequency range, improved the antijamming capability of data transmission, avoid receiving the influence and the interference of other frequency band signals.
Description of drawings
Fig. 1 is an anemoscope theory diagram of the present invention.
Fig. 2 is a multi-hop routing node structured flowchart of the present invention.
Fig. 3 is receiving station's structured flowchart among the present invention.
Fig. 4 is a wire/wireless automatic switchover structured flowchart among the present invention.
Fig. 5 is a system design process flow diagram of the present invention.
Among the figure: N s is that microprocessor cycle of extracting the wind characteristic data, (N represented 1,2,3 ..., s representes second); Kmin is that microprocessor cycle of extracting storage data computation mean wind speed wind direction, (K represented 1,2,3 ..., min representes branch)
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated:
As shown in Figure 1, novel wind-speed instrument system of the present invention comprises three transportation work style sensors 1/2/3, is respectively wind sensor wind speed module 1, wind sensor wind direction module 2, wind sensor angle of attack module 3; Three road A/D converters 4/5/6, first microprocessor 7, second microprocessor 13, wire transmission interface 8, initial transmitter module 9, signal emission module 14, memory circuit 10, first feed circuit 11, second feed circuit 15, wireless receiving module 12, terminal wireless receiver module 16, PC 17; Wherein, Sensor 1/2/3, A/D converter 4/5/6, microprocessor 7, memory circuit 10, feed circuit 11 are formed the sensor acquisition disposal system; Sensor wind speed module 1 is transmitted electric signal to A/D converter 4, from A/D converter 4 output corresponding digital signals to microprocessors 7 (other two circuit theories are similar); Microprocessor 7 is according to the software of setting, and every N s to digital signal acquiring once changes into the wind characteristic data and carries out pre-service, and be stored to memory circuit; According to the software program of setting, extracting from memory circuit in microprocessor 7 every K min should whole wind characteristic data of time period, carries out sequential operation and obtains data such as mean wind speed wind direction, and communication system is sent in the total data packing.
As shown in figs. 1 and 4, in microprocessor 7, set the relative program that wired/wireless propagation path automaticallyes switch simultaneously.When system uses; The user independently selects the path according to field condition; Provide a dynamic excitation signal to reach microprocessor 7, microprocessor moves corresponding program according to the difference of wire/wireless signal, and with data packet transmission to wire transmission interface 8 or initial transmitter module 9.
When packet is sent to wire transmission interface 8, wire transmission interface 8 and PC 17 are connected with lead, directly transmit data.
When packet is sent to initial transmitter module 9; Wireless receiving module 12 is received from initial transmitter module 9 and sends signal; After microprocessor 13 is handled, deliver to wireless transmitter module 14 and continue to send a signal to next wireless routing node or terminal wireless receiver module (as shown in Figure 2).As shown in Figure 3, wireless receiving module 16 is received from the signal that last wireless routing node sends, and delivers to PC 17 storages.
Fig. 5 sets forth in detail total system works flow process of institute's invention anemoscope, from initial data acquisition until the storage of final valid data.Comprise the collection of raw data, the conversion of signal, the pre-service of data, the selection of wired or wireless transmission mode, the storage of valid data.
Anemoscope is gathered the wind characteristic data and may further comprise the steps:
The first step: the wind characteristic data that wind sensor wind speed module, wind sensor wind direction module, wind sensor angle of attack module are gathered respectively are respectively through being sent to first microprocessor after the A/D converter conversion;
Second the step: first microprocessor carries out pre-service according to setting program to the wind characteristic data that the first step sends, with pretreated data storage in memory circuit;
The 3rd step: first microprocessor is according to the time period of setting program, and extracting from memory circuit should all wind characteristic data of time period, carries out sequential operation and obtains data such as mean wind speed, wind direction, the angle of attack;
The 4th step: first microprocessor will be gone up said total data packing of step, carry out data through communication system and transmit;
The 5th step: when the user is set at wire transmission mode, said data of the 4th step are connected wired transmission interface to PC through the wire transmission module with lead; When the user is set at wireless transmission method; Receiving station is set, adopts several multi-hop routing nodes to carry out data transmission, the terminal wireless receiver module receives from last multi-hop routing node signal in standing; And being sent to PC, total system wind characteristic data acquisition task is accomplished.
Second step carried out pretreated method to the wind characteristic data and is in the method for work of the present invention: through setting the wind angle gathered and the threshold values of wind speed, remove abnormal data, concrete threshold value setting method is following: 0 °≤wind angle＜360 °; The maximum measurement range of 0 meter per second≤air speed value≤anemoscope.
Claims (2)
1. method of work that is used for the anemoscope of engineering test; Said anemoscope comprises data acquisition unit, PC, power supply; Wherein data acquisition unit is made up of three transportation work style sensors; Be respectively wind sensor wind speed module, wind sensor wind direction module, wind sensor angle of attack module, between said data acquisition unit and said PC, also be provided with acquisition processing system and communication system, said acquisition processing system comprises three road A/D converters, first microprocessor, memory circuit and first feed circuit; Wherein said three transportation work style sensors are connected with the input end of three road A/D converters respectively; The output terminal of three road A/D converters is connected with first microprocessor, and first little processing is connected with memory circuit, and first feed circuit provide power supply to acquisition processing system; Said communication system comprises wired transmission device and radio transmitting device, and wherein said wired transmission device is connected to form by wire transmission interface, lead successively; Said radio transmitting device comprises initial wireless transmitter module, multi-hop routing node, terminal wireless receiver module; It is characterized in that: this anemoscope is gathered the wind characteristic data and may further comprise the steps:
The first step: the wind characteristic data that wind sensor wind speed module, wind sensor wind direction module, wind sensor angle of attack module are gathered respectively are respectively through being sent to first microprocessor after the A/D converter conversion;
Second the step: first microprocessor carries out pre-service according to setting program to the wind characteristic data that the first step sends, with pretreated data storage in memory circuit;
The 3rd step: first microprocessor is according to the time period of setting program, and extracting from memory circuit should all wind characteristic data of time period, carries out sequential operation and obtains mean wind speed, wind direction, angle of attack data;
The 4th step: first microprocessor will be gone up said mean wind speed, wind direction, the angle of attack packing data that obtains from all the wind characteristic data and the sequential operation of memory circuit extraction of step, carry out data through communication system and transmit;
The 5th step: when the user is set at wire transmission mode, said data of the 4th step are connected wired transmission interface to PC through the wire transmission module with lead; When the user is set at wireless transmission method; Receiving station is set, adopts several multi-hop routing nodes to carry out data transmission, the terminal wireless receiver module receives from last multi-hop routing node signal in standing; And being sent to PC, total system wind characteristic data acquisition task is accomplished.
2. the method for work that is used for the anemoscope of engineering test according to claim 1; It is characterized in that: said second step carries out pretreated method to the wind characteristic data and is: through the wind angle of setting collection and the threshold values of wind speed; Remove abnormal data, concrete threshold value setting method is following: 0 °≤wind angle＜360 °; The maximum measurement range of 0 meter per second≤air speed value≤anemoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101146977A CN101833013B (en) | 2010-02-26 | 2010-02-26 | Anemoscope for engineering test and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101146977A CN101833013B (en) | 2010-02-26 | 2010-02-26 | Anemoscope for engineering test and working method thereof |
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| CN101833013A CN101833013A (en) | 2010-09-15 |
| CN101833013B true CN101833013B (en) | 2012-02-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2670890B1 (en) * | 1990-12-19 | 1994-07-01 | France Etat Armement | DATA ACQUISITION AND INTEGRATION PROCESS. |
| CN100567989C (en) * | 2007-09-14 | 2009-12-09 | 浙江工业大学 | Tri-dimensional wind speed wind direction measuring apparatus based on omni-directional visual |
| CN101676968A (en) * | 2008-09-18 | 2010-03-24 | 王赞寿 | System for monitoring and acquiring real-time data |
| CN101452079B (en) * | 2008-12-26 | 2012-01-04 | 东南大学 | Nuclear monitoring system and method based on confounding sensor network |
| CN101539475A (en) * | 2009-04-09 | 2009-09-23 | 上海第二工业大学 | Vehicle air conditioner online detecting device |
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