CN105652030A - Intelligent liquid crystal display for high-rise building - Google Patents

Abstract

The invention provides an intelligent liquid crystal display for a high-rise building. The intelligent liquid crystal display for high-rise building comprises a liquid crystal display screen and a wind speed time-history rapid simulation device installed on the liquid crystal display screen. The rapid simulation device comprises a structure parameter monitoring module, an average wind speed calculation module, a pulse wind speed time-history calculation module for each simulation point, a wind speed time-history calculation module and a wind speed simulation display module. The average wind speed calculation module, the pulse wind speed time-history calculation module for each simulation point and the wind speed time-history calculation module perform the calculation dependent on the monitoring value of the monitoring module, and the obtained wind speed time history is displayed by the wind speed simulation display module. According to the invention, the wind speed time history can be simulated rapidly, and the simulation and the calculation are small in workload, high in efficiency and high in precision.

Description

A kind of intelligent liquid crystal display for skyscraper

Technical field

The present invention relates to liquid crystal display design field, be specifically related to a kind of intelligent liquid crystal display for skyscraper.

Background technology

Be arranged on liquid crystal display on skyscraper owing to being in higher position, be easily subject to the impact of wind, cause safety and asksTopic. For ease of attendant, liquid crystal display is carried out to wind resistance monitoring, is necessary liquid crystal display to carry out the wind time-domain analysis of shaking,The wind vibration response characteristic of skyscraper liquid crystal display can be more fully understood in the wind time-domain analysis of shaking, and reacts more intuitively high level and buildsBuild the validity of the wind vibration control of liquid crystal display. Skyscraper liquid crystal display being carried out to wind while shaking time-domain analysis, needTo simulate the Wind Velocity History of skyscraper liquid crystal display.

Summary of the invention

For the problems referred to above, the present invention is based on the harmonic wave addition method, provide a kind of can Fast simulation Wind Velocity History build for high levelThe intelligent liquid crystal display of building, solves the problem of the Wind Velocity History simulation of liquid crystal display in correlation technique.

Object of the present invention realizes by the following technical solutions:

For an intelligent liquid crystal display for skyscraper, when comprising LCDs and being arranged on the wind speed of LCDsJourney Fast simulation device, described Fast simulation device comprises:

(1) structural parameters monitoring modular, divides the identical test in multiple intervals along LCDs short transverse by LCDsLayer, selects the position at two diagonal angles that described data acquisition unit is installed simultaneously around the LCDs centre of form, selects the center of test layerPosition is as the simulation points of a Wind Velocity History, and lays described anemobiagraph and temperature sensor at each test layer;

(2) mean wind speed computing module, it utilizes anemobiagraph to monitor out the wind speed total amount of every test layer, lateral angle and vertical wind speed,Getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\‾}{P}-0.378P_{wat})}{1+0.00366\stackrel{\‾}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\[\underset{i=1}{\overset{N}{\Σ}}\[w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\θ}\left(i\right)\]-A\]}^2+{\[\underset{i=1}{\overset{N}{\Σ}}\[w\left(i\right)\cos \[\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\]\sin \mathrm{\θ}\left(i\right)\]-B\]}^2\}}^{1/2}\×Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module of each simulation points, comprises the pulsation of the fluctuating wind speed time series that generates described each simulation pointsWind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀ForThe normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\υ}}\left(g\right)=\frac{\mathrm{\λ}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\×(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\×5.76\×{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, and obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput is connected with described micro-letter processor.

Wherein, the scope of described frequency intercepting higher limit is 3hZ～5hZ.

Wherein, the setting range of described normal temperature value is 23 DEG C～27 DEG C.

Beneficial effect of the present invention is:

1, Wind Velocity History Fast simulation device has been installed on LCDs, has been convenient to the timely of LCDs Wind Velocity History featureObtain, provide basis for attendant carries out wind resistance monitoring to liquid crystal display;

2, adopt anemobiagraph, temperature sensor and data acquisition unit to carry out monitoring and the collection of Wind Velocity History analogue data, replaceConventional art artificial excitation and expensive excitational equipment, reduced cost, practical convenient;

3,, on the basis of described analogue means based on the harmonic wave addition method, the computing formula of mean wind speed and pulsation wind speed is optimized,Reduce the workload of calculating, improved the efficiency of Wind Velocity History simulation;

4, in the time calculating mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficientK, makes the Wind Velocity History simulation of LCDs more accurate.

Brief description of the drawings

The invention will be further described to utilize accompanying drawing, but embodiment in accompanying drawing does not form any limitation of the invention, forThose of ordinary skill in the art, is not paying under the prerequisite of creative work, can also obtain the attached of other according to the following drawingsFigure.

Fig. 1 is the connection diagram of the each module of Wind Velocity History Fast simulation device of the present invention.

Reference numeral:

Structural parameters monitoring modular 1, mean wind speed computing module 2, the fluctuating wind speed time series computing module 3 of each simulation points, wind speedTime-histories computing module 4, wind speed simulation display module 5.

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment mono-

Referring to Fig. 1, the liquid crystal display of the present embodiment comprises that LCDs is quick with the Wind Velocity History that is arranged on LCDsAnalogue means, described Fast simulation device comprises:

(1) structural parameters monitoring modular 1, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDsThe identical test layer in multiple intervals divided by LCDs by short transverse, selects the position at two diagonal angles around the LCDs centre of formDescribed data acquisition unit is installed simultaneously, is selected the center position place of test layer as the simulation points of a Wind Velocity History, and eachTest layer is laid described anemobiagraph and temperature sensor;

(2) mean wind speed computing module 2, it utilizes anemobiagraph to monitor out wind speed total amount, lateral angle and the vertical wind of every test layerSpeed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\&OverBar;}{P}-0.378P_{wat})}{1+0.00366\stackrel{\&OverBar;}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\&theta;}\left(i\right)\&rsqb;-A\&rsqb;}^2+{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \&lsqb;\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\&rsqb;\sin \mathrm{\&theta;}\left(i\right)\&rsqb;-B\&rsqb;}^2\}}^{1/2}\&times;Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module 3 of each simulation points, comprises the arteries and veins of the fluctuating wind speed time series that generates described each simulation pointsMoving wind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(g\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module 4, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module 5, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput be connected with described micro-letter processor.

The liquid crystal display of the present embodiment has been installed Wind Velocity History Fast simulation device on LCDs, is convenient to LCDsObtaining in time of Wind Velocity History feature, provides basis for attendant carries out wind resistance monitoring to liquid crystal display; Adopt anemobiagraph, temperatureDegree sensor and data acquisition unit carry out monitoring and the collection of Wind Velocity History analogue data, have replaced conventional art artificial excitation and AngExpensive excitational equipment, has reduced cost, practical convenient; On the basis of described analogue means based on the harmonic wave addition method, to mean wind speedBe optimized with the computing formula of pulsation wind speed, reduced the workload of calculating, improved the efficiency of Wind Velocity History simulation; CalculatingWhen mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficient K, make liquid crystalThe Wind Velocity History simulation of showing screen is more accurate, wherein established standards temperature T₀Be 23 DEG C, setting and intercepting upper frequency limit value is 3hZ,The simulation precision of the Wind Velocity History of the each simulation points finally obtaining brings up to 95.8%.

Embodiment bis-

Referring to Fig. 1, the liquid crystal display of the present embodiment comprises LCDs and is arranged on the Wind Velocity History Fast Modular of LCDsIntend device, described Fast simulation device comprises:

(1) structural parameters monitoring modular 1, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDsThe identical test layer in multiple intervals divided by LCDs by short transverse, selects the position at two diagonal angles around the LCDs centre of formDescribed data acquisition unit is installed simultaneously, is selected the center position place of test layer as the simulation points of a Wind Velocity History, and eachTest layer is laid described anemobiagraph and temperature sensor;

(2) mean wind speed computing module 2, it utilizes anemobiagraph to monitor out wind speed total amount, lateral angle and the vertical wind of every test layerSpeed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\&OverBar;}{P}-0.378P_{wat})}{1+0.00366\stackrel{\&OverBar;}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\&theta;}\left(i\right)\&rsqb;-A\&rsqb;}^2+{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \&lsqb;\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\&rsqb;\sin \mathrm{\&theta;}\left(i\right)\&rsqb;-B\&rsqb;}^2\}}^{1/2}\&times;Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module 3 of each simulation points, comprises the arteries and veins of the fluctuating wind speed time series that generates described each simulation pointsMoving wind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(g\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\frac{T-T_0}{T}|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module 4, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module 5, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput be connected with described micro-letter processor.

The liquid crystal display of the present embodiment has been installed Wind Velocity History Fast simulation device on LCDs, is convenient to LCDsObtaining in time of Wind Velocity History feature, provides basis for attendant carries out wind resistance monitoring to liquid crystal display; Employing anemobiagraph,Temperature sensor and data acquisition unit carry out monitoring and the collection of Wind Velocity History analogue data, have replaced conventional art artificial excitationExcitational equipment with expensive, has reduced cost, practical convenient; On the basis of described analogue means based on the harmonic wave addition method, to flatAll the computing formula of wind speed and pulsation wind speed is optimized, and has reduced the workload of calculating, and has improved the efficiency of Wind Velocity History simulation;In the time calculating mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficient K, makeThe Wind Velocity History simulation that obtains LCDs is more accurate, wherein established standards temperature T₀Be 23 DEG C, set and intercept upper frequency limit valueFor 4hZ, the simulation precision of the Wind Velocity History of the each simulation points finally obtaining brings up to 96%.

Embodiment tri-

Referring to Fig. 1, the liquid crystal display of the present embodiment comprises LCDs and is arranged on the Wind Velocity History Fast Modular of LCDsIntend device, described Fast simulation device comprises:

(1) structural parameters monitoring modular 1, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDsThe identical test layer in multiple intervals divided by LCDs by short transverse, selects the position at two diagonal angles around the LCDs centre of formDescribed data acquisition unit is installed simultaneously, is selected the center position place of test layer as the simulation points of a Wind Velocity History, and eachTest layer is laid described anemobiagraph and temperature sensor;

(2) mean wind speed computing module 2, it utilizes anemobiagraph to monitor out wind speed total amount, lateral angle and the vertical wind of every test layerSpeed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\&OverBar;}{P}-0.378P_{wat})}{1+0.00366\stackrel{\&OverBar;}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\&theta;}\left(i\right)\&rsqb;-A\&rsqb;}^2+{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \&lsqb;\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\&rsqb;\sin \mathrm{\&theta;}\left(i\right)\&rsqb;-B\&rsqb;}^2\}}^{1/2}\&times;Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module 3 of each simulation points, comprises the arteries and veins of the fluctuating wind speed time series that generates described each simulation pointsMoving wind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(g\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\frac{T-T_0}{T}|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module 4, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module 5, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput be connected with described micro-letter processor.

The liquid crystal display of the present embodiment has been installed Wind Velocity History Fast simulation device on LCDs, is convenient to LCDsObtaining in time of Wind Velocity History feature, provides basis for attendant carries out wind resistance monitoring to liquid crystal display; Employing anemobiagraph,Temperature sensor and data acquisition unit carry out monitoring and the collection of Wind Velocity History analogue data, have replaced conventional art artificial excitationExcitational equipment with expensive, has reduced cost, practical convenient; On the basis of described analogue means based on the harmonic wave addition method, to flatAll the computing formula of wind speed and pulsation wind speed is optimized, and has reduced the workload of calculating, and has improved the efficiency of Wind Velocity History simulation;In the time calculating mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficient K, makeThe Wind Velocity History simulation that obtains LCDs is more accurate, wherein established standards temperature T₀Be 23 DEG C, set and intercept upper frequency limit valueFor 5hZ, the simulation precision of the Wind Velocity History of the each simulation points finally obtaining brings up to 94.8%.

Embodiment tetra-

Referring to Fig. 1, the liquid crystal display of the present embodiment comprises LCDs and is arranged on the Wind Velocity History Fast Modular of LCDsIntend device, described Fast simulation device comprises:

(1) structural parameters monitoring modular 1, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDsThe identical test layer in multiple intervals divided by LCDs by short transverse, selects the position at two diagonal angles around the LCDs centre of formDescribed data acquisition unit is installed simultaneously, is selected the center position place of test layer as the simulation points of a Wind Velocity History, and eachTest layer is laid described anemobiagraph and temperature sensor;

(2) mean wind speed computing module 2, it utilizes anemobiagraph to monitor out wind speed total amount, lateral angle and the vertical wind of every test layerSpeed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\&OverBar;}{P}-0.378P_{wat})}{1+0.00366\stackrel{\&OverBar;}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\&theta;}\left(i\right)\&rsqb;-A\&rsqb;}^2+{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \&lsqb;\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\&rsqb;\sin \mathrm{\&theta;}\left(i\right)\&rsqb;-B\&rsqb;}^2\}}^{1/2}\&times;Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module 3 of each simulation points, comprises the arteries and veins of the fluctuating wind speed time series that generates described each simulation pointsMoving wind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(g\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module 4, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module 5, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput be connected with described micro-letter processor.

The liquid crystal display of the present embodiment has been installed Wind Velocity History Fast simulation device on LCDs, is convenient to LCDsObtaining in time of Wind Velocity History feature, provides basis for attendant carries out wind resistance monitoring to liquid crystal display; Employing anemobiagraph,Temperature sensor and data acquisition unit carry out monitoring and the collection of Wind Velocity History analogue data, have replaced conventional art artificial excitationExcitational equipment with expensive, has reduced cost, practical convenient; On the basis of described analogue means based on the harmonic wave addition method, to flatAll the computing formula of wind speed and pulsation wind speed is optimized, and has reduced the workload of calculating, and has improved the efficiency of Wind Velocity History simulation;In the time calculating mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficient K, makeThe Wind Velocity History simulation that obtains LCDs is more accurate, wherein established standards temperature T₀Be 27 DEG C, set and intercept upper frequency limit valueFor 3hZ, the simulation precision of the Wind Velocity History of the each simulation points finally obtaining brings up to 95.7%.

Embodiment five

Referring to Fig. 1, the liquid crystal display of the present embodiment comprises LCDs and is arranged on the Wind Velocity History Fast Modular of LCDsIntend device, described Fast simulation device comprises:

(1) structural parameters monitoring modular 1, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDsThe identical test layer in multiple intervals divided by LCDs by short transverse, selects the position at two diagonal angles around the LCDs centre of formDescribed data acquisition unit is installed simultaneously, is selected the center position place of test layer as the simulation points of a Wind Velocity History, and eachTest layer is laid described anemobiagraph and temperature sensor;

(2) mean wind speed computing module 2, it utilizes anemobiagraph to monitor out wind speed total amount, lateral angle and the vertical wind of every test layerSpeed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

$Q=1-\left|\frac{\frac{6.38e^{-9}(\stackrel{\&OverBar;}{P}-0.378P_{wat})}{1+0.00366\stackrel{\&OverBar;}{T}}-F_b}{F_b}\right|$

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

$W_{\left(i\right)}=\frac{1}{N-2}{\{{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \left(\arcsin \right(\frac{w_z\left(i\right)}{w}\left)\right)\cos \mathrm{\&theta;}\left(i\right)\&rsqb;-A\&rsqb;}^2+{\&lsqb;\underset{i=1}{\overset{N}{\&Sigma;}}\&lsqb;w\left(i\right)\cos \&lsqb;\arcsin \left(\frac{w_z\left(i\right)}{w}\right)\&rsqb;\sin \mathrm{\&theta;}\left(i\right)\&rsqb;-B\&rsqb;}^2\}}^{1/2}\&times;Q$

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is that wind speed total amount w is at yThe maximum of durection component value and minimum sum,For local average gas pressure,For local mean temperature, P_watFor working as HorizonAll vapour pressures, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module 3 of each simulation points, comprises the arteries and veins of the fluctuating wind speed time series that generates described each simulation pointsMoving wind speed power spectrum, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(g\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1-\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

$S_{\mathrm{\&upsi;}}\left(\mathrm{\&rho;}\right)=\frac{\mathrm{\&lambda;}g}{1+{\left(\frac{1200g}{W_{\left(i\right)}}\right)}^{8/3}}\&times;(1+\sqrt{\left|\frac{T-T_0}{T}\right|})\&times;5.76\&times;{10}^6$

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosingRate intercepts higher limit;

(4) Wind Velocity History computing module 4, comprises microprocessor, and described microprocessor utilizes the harmonic wave addition method to same position placeMean wind speed and fluctuating wind speed time series superpose, obtain the Wind Velocity History of each simulation points;

(5) wind speed simulation display module 5, comprises the isolated amplifier and the digital display screen that connect successively, described isolated amplifierInput be connected with described micro-letter processor.

The liquid crystal display of the present embodiment has been installed Wind Velocity History Fast simulation device on LCDs, is convenient to LCDsObtaining in time of Wind Velocity History feature, provides basis for attendant carries out wind resistance monitoring to liquid crystal display; Employing anemobiagraph,Temperature sensor and data acquisition unit carry out monitoring and the collection of Wind Velocity History analogue data, have replaced conventional art artificial excitationExcitational equipment with expensive, has reduced cost, practical convenient; On the basis of described analogue means based on the harmonic wave addition method, to flatAll the computing formula of wind speed and pulsation wind speed is optimized, and has reduced the workload of calculating, and has improved the efficiency of Wind Velocity History simulation;In the time calculating mean wind speed, introduce mean wind speed correction coefficient Q, while calculating fluctuating wind speed time series, introduce temperature correction coefficient K, makeThe Wind Velocity History simulation that obtains LCDs is more accurate, wherein established standards temperature T₀Be 27 DEG C, set and intercept upper frequency limit valueFor 5hZ, the simulation precision of the Wind Velocity History of the each simulation points finally obtaining brings up to 96.5%.

Finally it should be noted that above embodiment is only in order to technical scheme of the present invention to be described, but not to protection domain of the present inventionRestriction, although the present invention has been done to explain with reference to preferred embodiment, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.

Claims (4)

1. for an intelligent liquid crystal display for skyscraper, comprise LCDs and the Wind Velocity History Fast simulation device that is arranged on LCDs, it is characterized in that, described Fast simulation device comprises:

(1) structural parameters monitoring modular, it comprises anemobiagraph, temperature sensor and data acquisition unit, along LCDs short transverse, LCDs is divided to the identical test layer in multiple intervals, select the position at two diagonal angles that described data acquisition unit is installed simultaneously around the LCDs centre of form, select the center position place of test layer as the simulation points of a Wind Velocity History, and lay described anemobiagraph and temperature sensor at each test layer;

(2) mean wind speed computing module, it utilizes anemobiagraph to monitor out the wind speed total amount of every test layer, lateral angle and vertical wind speed, getting 0.2s is sampling time interval, while averaging the calculating of wind speed, introduces mean wind speed correction coefficient Q:

Every test layer adopts the computing formula of the mean wind speed of time to be at one:

Wherein, A is maximum and the minimum sum of wind speed total amount w at the component value of x direction, and B is maximum and the minimum sum of wind speed total amount w in y durection component value,For local average gas pressure,For local mean temperature, P_watFor the average vapour pressure in locality, F_bFor the coefficient of wind pres under standard state;

(3) the fluctuating wind speed time series computing module of each simulation points, comprises the pulsating wind power spectrum of the fluctuating wind speed time series that generates described each simulation points;

(4) Wind Velocity History computing module, comprises microprocessor, and described microprocessor utilizes mean wind speed and the fluctuating wind speed time series of the harmonic wave addition method to same position place to superpose, and obtains the Wind Velocity History of each simulation points;

(5) wind speed simulation display module, comprises the isolated amplifier and the digital display screen that connect successively, and the input of described isolated amplifier is connected with described microprocessor.

2. a kind of intelligent liquid crystal display for skyscraper according to claim 1, is characterized in that, while carrying out the simulation of pulsating wind power spectrum, introduces temperature correction coefficientWherein T₀For the normal temperature of setting, the T average temperature value that described temperature sensor Real-Time Monitoring obtains of serving as reasons,

T≥T₀Time, the optimization formula of described pulsating wind power spectrum is:

T<T₀Time, the optimization formula of described pulsating wind power spectrum is:

Wherein, λ is the terrain rough factor of selecting according to liquid-crystal displaying screen structure, and g is according to mean wind speed W_(i)The frequency of choosing intercepts higher limit.

3. a kind of intelligent liquid crystal display for skyscraper according to claim 1, is characterized in that, the scope that described frequency intercepts higher limit is 3hZ～5hZ.

4. a kind of intelligent liquid crystal display for skyscraper according to claim 2, is characterized in that, the setting range of described normal temperature value is 23 DEG C～27 DEG C.