CN203101018U - Tunnel ventilation model test measuring system - Google Patents
Tunnel ventilation model test measuring system Download PDFInfo
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- CN203101018U CN203101018U CN 201320065074 CN201320065074U CN203101018U CN 203101018 U CN203101018 U CN 203101018U CN 201320065074 CN201320065074 CN 201320065074 CN 201320065074 U CN201320065074 U CN 201320065074U CN 203101018 U CN203101018 U CN 203101018U
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Abstract
The utility model discloses a tunnel ventilation model test measuring system. The tunnel ventilation model test measuring system comprises a wind speed and pressure sensor, a conditioning box, a data acquisition card and a display. By adopting the PCI-6224 data acquisition card, the tunnel ventilation model test measuring system has strong function, high precision and stable performance; a development platform LabVIEW of the NI (National Instruments) company is adopted for giving full play to the performance of the data acquisition card of the NI company; on the basis, the conditioning box is researched, developed and tested so that various function and performance requirements of the system are implemented; and the system can be used for finishing measuring wind speeds and wind pressures at different positions of different sections in a tunnel model, timely displaying acquisition states, storing data, playing back the data and correspondingly carrying out statistic analysis to the data. The system has a function of hydrostatic pressure calculation and can calculate the hydrostatic pressure according to timely-measured wind speed and pressure values; and moreover, the system has the advantages of simple structure, convenience in operation, high stability and high reliability and good practical application value.
Description
Technical field
The utility model belongs to testing experiment field, tunnel, relates in particular to a kind of tunnel ventilation model test test macro.
Background technology
The process of simulating of ventilating in the tunnel ventilation model test is dynamic, each sectional wind velocity, blast are not constant numerical value, but the variation of floating, therefore image data promptly and accurately has critical impact to model experiment results, the collection of test figure require accuracy height, speed fast, be easy to observation analysis, on test interface, can contrast the data macroscopic view situation of change of all sections, also can show the curve map that single profile data changes, monitoring in real time, data acquisition can be provided with interval time voluntarily, and abnormal data is in time reported to the police.
The utility model content
The purpose of this utility model is to utilize a kind of tunnel ventilation model test test macro, and the collection that is intended to solve data in the existing tunnel model test requires the problem that accuracy height, speed are fast, be easy to observation analysis.
The purpose of this utility model is to provide a kind of tunnel ventilation model test test macro, and described tunnel ventilation model test test macro comprises:
The wind speed and pressure sensor is used for changing pressure signal into electric signal;
The conditioning cabinet is connected with described wind speed and pressure sensor, accepts the electric signal of wind speed and pressure, is used for electric signal is nursed one's health;
Data collecting card is connected with described conditioning cabinet, is used to carry out the collection of data;
Display with described data acquisition card connection, is used for data are shown.
Further, described conditioning cabinet connects the wind speed and pressure sensor by shielding line.
Further, described data collecting card connects the conditioning cabinet by cable.
Further, described data collecting card adopts PCI-6224 type data collecting card.
Further, described tunnel ventilation model test test system hardware partly comprises: conditioning cabinet, conditioning adapter, power supply, industrial computer, data collecting card; Described conditioning adapter and power supply are arranged on described conditioning cabinet inside, and described data collecting card is installed on the described industrial computer, and described conditioning cabinet connects described industrial computer.
Further, described conditioning cabinet is by data acquisition card connection industrial computer.
Further, the software section of described tunnel ventilation model test test macro comprises:
System login is used for the record to user's operation, in order to the analysis of data in the future;
Model selection is connected with described system login, is used to finish the function of user interface display mode;
Gather, be connected, be used to finish collection, the hold function of data with described system login;
Report to the police and be provided with: be connected with described system login, be used to blast, the wind speed alarming value of the system that is provided with;
Historical data: be connected with described system login, be used to finish data readback, output and carry out simple function of statistic analysis;
Further, described historical data comprises also that trend is browsed, statistical study, static pressure show, the warning message submodule.
The utlity model has following advantage:
The tunnel ventilation model test test macro that the utility model provides, by using the PCI-6224 data collecting card, its function is strong, the precision height, performance is surely for giving full play to the performance of NI company data capture card, adopted is the development platform-LabVIEW of NI company equally, cabinet is nursed one's health in the research and development test on this basis, make every function of this system, performance requirement is accomplished, native system can be finished the blast and the measuring wind speed at different section diverse location place in the tunnel model, can show acquisition state in real time, and preserve data and data are carried out playback and corresponding statistical study.System has the static pressure computing function, can calculate static pressure according to the wind speed and pressure value that records in real time, and in addition, the utility model is simple in structure, and is easy to operate, and stability and reliability height have good actual application to be worth.
Description of drawings
Fig. 1 is the structured flowchart of the tunnel ventilation model test test macro that provides of the utility model embodiment;
Fig. 2 is the tunnel ventilation model test test system hardware structural drawing that the utility model embodiment provides;
Fig. 3 is the software architecture diagram of the tunnel ventilation model test test macro that provides of the utility model embodiment;
Fig. 4 is the design sketch of the test section of the tunnel ventilation model test test macro that provides of the utility model embodiment.
Among the figure: 1, wind speed and pressure sensor; 2, conditioning cabinet; 21, conditioning adapter; 22, power supply; 3, data collecting card; 4, display; 5, industrial computer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment provides a kind of tunnel ventilation model test test macro, and this tunnel ventilation model test test macro comprises:
The wind speed and pressure sensor is used for changing pressure signal into electric signal;
The conditioning cabinet is connected with the wind speed and pressure sensor, accepts the electric signal of wind speed and pressure, is used for electric signal is nursed one's health;
Data collecting card is connected with the conditioning cabinet, is used to carry out the collection of data;
Display with the data acquisition card connection, is used for data are shown.
As the prioritization scheme of the utility model embodiment, the conditioning cabinet connects the wind speed and pressure sensor by shielding line.
As the prioritization scheme of the utility model embodiment, data collecting card connects the conditioning cabinet by cable.
As the prioritization scheme of the utility model embodiment, data collecting card adopts PCI-6224 type data collecting card.
As the prioritization scheme of the utility model embodiment, tunnel ventilation model test test system hardware partly comprises: conditioning cabinet, conditioning adapter, power supply, industrial computer, data collecting card; Described conditioning adapter and power supply are arranged on described conditioning cabinet inside, and described data collecting card is installed on the described industrial computer, and described conditioning cabinet connects described industrial computer.
As the prioritization scheme of the utility model embodiment, the conditioning cabinet is by data acquisition card connection industrial computer.
As the prioritization scheme of the utility model embodiment, the software section of tunnel ventilation model test test macro comprises:
System login is used for the record to user's operation, in order to the analysis of data in the future;
Model selection is connected with described system login, is used to finish the function of user interface display mode;
Gather, be connected, be used to finish collection, the hold function of data with described system login;
Report to the police and be provided with: be connected with described system login, be used to blast, the wind speed alarming value of the system that is provided with;
Historical data: be connected with described system login, be used to finish data readback, output and carry out simple function of statistic analysis;
As the prioritization scheme of the utility model embodiment, historical data comprises also that trend is browsed, statistical study, static pressure show, the warning message submodule.
Following with reference to accompanying drawing, the tunnel ventilation model test test macro of the utility model embodiment is described in further detail.
As depicted in figs. 1 and 2, the tunnel ventilation model test test macro of the utility model embodiment mainly is made up of wind speed and pressure sensor 1, conditioning cabinet 2, conditioning adapter 21, power supply 22, data collecting card 3, display 4 and industrial computer 5; Described wind speed and pressure sensor 1 is installed in described tunnel ventilation model section, described conditioning adapter 21 and power supply 22 are installed in described conditioning cabinet 2 inside, described data collecting card 3 is installed on the described industrial computer 5, described conditioning adapter 21 connects data collecting card 3 by two stube cables, and display 4 connects industrial computer 5 by the VGA video line; Data collecting card 3 is 16 precision simulating signal inputs of 32 passages, the 250K/s acquisition rate, conditioning cabinet 2 is for to nurse one's health accordingly to satisfy the requirement of system 32 road temperature signals, and the reliable connected mode of providing convenience, for guaranteeing the high precision and the high stable performance of system, the PCI-6224 data collecting card 3 that the design selects for use America NI company to release, its function is strong, precision is high, performance is steady, for giving full play to the collection of NI company data, 3 performance, having adopted is the development platform-Labview of NI company equally.From grinding development and testing conditioning cabinet 2, make every function, the performance requirement of this system accomplished on this basis, part of detecting is mainly finished 24 transportation work styles and is pressed the measurement of signal condition and 6 transportation work styles speed signal, analytical calculation etc.
As shown in Figure 3, the software section of the tunnel ventilation model test test macro of the utility model embodiment: testing software adopts the software programming standard, and left side, main interface is a function menu, and each functional module is called in control, and the right side, interface is the functional module viewing area.Can switch arbitrarily between each functional module, have only when carrying out data acquisition, other functions of modules is disabled.Testing software turns to development idea with functionalization, module, is convenient to exploitation and management; System software partly is made up of login, pattern setting, data acquisition, warning setting, data readback etc.Can realize the typing of test macro test parameters, test figure collection, data in real time demonstration, data preservation, data readback, function such as report output as a result.
System login mainly is the record to user's operation, in order to the analysis of data in the future.The user can input user name, like this system will be when preserving data recording user name and experimental period.The user also can not input user name, and system only preserves test for data and do not preserve user name, login: enter main interface when the user clicks this button like this, cancellation: log off user name: optional, import the user's name of this test, job number: optional, the relevant job number of input; The feature capability of user interface display mode is mainly finished in model selection.Mainly be divided into syntype, section pattern, and pointwise pattern, syntype: the data of all 30 passages all are shown; The section pattern: only show the data of a certain section, the user can show the data of other sections by page turning; The pointwise pattern: only show the data of a certain measuring point, the user can show the data of other measuring points by page turning, returns: return main interface; Gather, mainly finish the functions such as collection, preservation of data, atmospheric density coefficient ρ: will inquire all when system enters acquisition module at every turn that the user uses great bulkfactor, so that the user calculates static pressure.Coefficient is defaulted as 1.2047kg/m
3Enter corresponding pattern forms when the user clicks after determining, as above figure is the syntype display mode; Start: after clicking start button, system begins image data, and shows measurement data in real time, and the user can enter the section pattern by double-clicking a certain section, and same under the section pattern, the user can double-click a certain measuring point and enter the pointwise pattern; State switches: the user can enter different pattern show states by combobox, returns: click this button system and turn back to main interface.Report to the police and be provided with: blast, wind speed alarming value that system is set.After the user is provided with this alarming value, in data acquisition, if measurement data is greater than this alarming value then system has corresponding warning message shows, background color red display or the like such as curve map, can check the acquisition module function, blast: set the wind pressure alarm value, wind speed: the wind speed setting alarming value, return: turn back to the main interface of test.Historical data: mainly finish data readback, output and carry out simple function of statistic analysis, this module mainly comprises submodules such as trend is browsed, statistical study, static pressure demonstration, warning message.Wherein trend is browsed the submodule that shows into this module acquiescence, and the user can be switched different submodules by combobox.This module can be with the form output data of electrical form, under the default situations, the user can't see and outputs to the Excel button, have only when the user clicks " trend analysis " and selected a certain test figure to analyze, button just can be seen " to save as Excel ", trend analysis: click this button and will eject data selection forms, the user need can select the data of playback to carry out playback, at this moment, button can show " to save as Excel ", save as Excel: the data of this playback are exported with the form of Excel, be user-friendly to, module is switched combobox: switch to different submodules, such as switching to simple statistics information, switch to static pressure and show or the like that warning message: this submodule shows the alarm times of selected test figure, information such as alarming value.If there is not warning message, will not show any information.Data can be preserved, static pressure information: this submodule shows the static pressure information of each measuring point of selected test figure, and changes with curve form demonstration trend.Data can be preserved, statistical information: this submodule shows the statistical information of selected test figure, comprising: maximum, minimum value and mean value etc.Data can be preserved, and return: turn back to the main interface of test; Based on testing requirements, LabVIEW (the Laboratory VirtualInstrument Engineering Workbench) language compilation that data acquisition monitoring system selects for use America NI company to develop.The characteristics of LabVIEW maximum are to use graphical author language G coding, and the program of generation is the form of block diagram.The software systems of exploitation partly are made up of login interface, pattern setting, report to the police setting, data acquisition etc., can realize the input of test macro test parameters, data acquisition, data in real time demonstration, data preservation, data readback, function such as report output as a result.
As shown in Figure 4, the tunnel ventilation model test test system and test section result of use of the utility model embodiment, ten tests of the whole laying of tunnel ventilation model sections, section 1 is positioned at uplink tunnel portal place, section 2 is positioned at uplink tunnel exhaustion section, section 3 is positioned at short-track section of uplink tunnel, section 4 is positioned at uplink tunnel air supply section, and section 5 is positioned at uplink tunnel exit place; Section 6 is positioned at downlink tunnel portal place, and section 7 is positioned at downlink tunnel air supply section, and it is short-track that section 8 is positioned at the downlink tunnel, and section 9 is positioned at downlink tunnel exhaustion section, and section 10 is positioned at downlink tunnel exit place.Each section is provided with 2 blast gauges and 1 wind gage respectively.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a tunnel ventilation model test test macro is characterized in that, described tunnel ventilation model test test macro comprises:
The wind speed and pressure sensor is used for changing pressure signal into electric signal;
The conditioning cabinet is connected with described wind speed and pressure sensor, accepts the electric signal of wind speed and pressure, is used for electric signal is nursed one's health;
Data collecting card is connected with described conditioning cabinet, is used to carry out the collection of data;
Display with described data acquisition card connection, is used for data are shown.
2. tunnel ventilation model test test macro as claimed in claim 1 is characterized in that, described conditioning cabinet connects the wind speed and pressure sensor by shielding line.
3. tunnel ventilation model test test macro as claimed in claim 1 is characterized in that, described data collecting card connects the conditioning cabinet by cable.
4. tunnel ventilation model test test macro as claimed in claim 1 is characterized in that, described data collecting card adopts PCI-6224 type data collecting card.
5. tunnel ventilation model test test macro as claimed in claim 1 is characterized in that, described tunnel ventilation model test test system hardware partly comprises: conditioning cabinet, conditioning adapter, power supply, industrial computer, data collecting card;
Described conditioning adapter and power supply are arranged on described conditioning cabinet inside, and described data collecting card is installed on the described industrial computer, and described conditioning cabinet connects described industrial computer.
6. tunnel ventilation model test test macro as claimed in claim 5 is characterized in that described conditioning cabinet is by data acquisition card connection industrial computer.
7. tunnel ventilation model test test macro as claimed in claim 1 is characterized in that, the software section of described tunnel ventilation model test test macro comprises:
System login is used for the record to user's operation, in order to the analysis of data in the future;
Model selection is connected with described system login, is used to finish the function of user interface display mode;
Gather, be connected, be used to finish collection, the hold function of data with described system login;
Reporting to the police is provided with, and is connected with described system login, is used to blast, the wind speed alarming value of the system that is provided with;
Historical data is connected with described system login, is used to finish data readback, output and carries out simple function of statistic analysis.
8. tunnel ventilation model test test macro as claimed in claim 7 is characterized in that, described historical data comprises also that trend is browsed, statistical study, static pressure show, the warning message submodule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065074 CN203101018U (en) | 2013-02-05 | 2013-02-05 | Tunnel ventilation model test measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065074 CN203101018U (en) | 2013-02-05 | 2013-02-05 | Tunnel ventilation model test measuring system |
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| CN203101018U true CN203101018U (en) | 2013-07-31 |
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| CN 201320065074 Expired - Fee Related CN203101018U (en) | 2013-02-05 | 2013-02-05 | Tunnel ventilation model test measuring system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883549A (en) * | 2014-02-21 | 2014-06-25 | 上虞专用风机有限公司 | Device and method for testing back pressures of fans of tunnels of subways |
| CN103969022A (en) * | 2014-05-23 | 2014-08-06 | 厦门大学 | Indirect measuring method for hypersonic speed wind tunnel turbulence scale |
| CN104132690A (en) * | 2014-07-15 | 2014-11-05 | 大连大学 | Multi-sensor test system |
| CN109724787A (en) * | 2019-01-16 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel protection door clamps testing stand and the pressure decay test system comprising it |
| CN111322114A (en) * | 2020-03-09 | 2020-06-23 | 青岛理工大学 | Tunnel wind pressure visual monitoring method, system, storage medium and device |
| CN111896219A (en) * | 2020-08-07 | 2020-11-06 | 兰州理工大学 | Building indoor natural ventilation model test system and test method |
| CN111999522A (en) * | 2020-07-17 | 2020-11-27 | 山西省交通建设工程质量检测中心（有限公司） | High-precision tunnel wind speed detection system and method thereof |
-
2013
- 2013-02-05 CN CN 201320065074 patent/CN203101018U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883549A (en) * | 2014-02-21 | 2014-06-25 | 上虞专用风机有限公司 | Device and method for testing back pressures of fans of tunnels of subways |
| CN103883549B (en) * | 2014-02-21 | 2017-04-19 | 浙江上风高科专风实业有限公司 | Device and method for testing back pressures of fans of tunnels of subways |
| CN103969022A (en) * | 2014-05-23 | 2014-08-06 | 厦门大学 | Indirect measuring method for hypersonic speed wind tunnel turbulence scale |
| CN103969022B (en) * | 2014-05-23 | 2016-04-06 | 厦门大学 | A kind of hypersonic wind tunnel turbulivity indirect measurement method |
| CN104132690A (en) * | 2014-07-15 | 2014-11-05 | 大连大学 | Multi-sensor test system |
| CN109724787A (en) * | 2019-01-16 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel protection door clamps testing stand and the pressure decay test system comprising it |
| CN109724787B (en) * | 2019-01-16 | 2023-11-28 | 中铁第四勘察设计院集团有限公司 | Clamping test bed of tunnel protection door and wind pressure test system comprising same |
| CN111322114A (en) * | 2020-03-09 | 2020-06-23 | 青岛理工大学 | Tunnel wind pressure visual monitoring method, system, storage medium and device |
| CN111999522A (en) * | 2020-07-17 | 2020-11-27 | 山西省交通建设工程质量检测中心（有限公司） | High-precision tunnel wind speed detection system and method thereof |
| CN111896219A (en) * | 2020-08-07 | 2020-11-06 | 兰州理工大学 | Building indoor natural ventilation model test system and test method |
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| 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: 20130731 Termination date: 20140205 |