CN116456546A - Highway tunnel photovoltaic shed tunnel and luminance adjustment control method in shed tunnel - Google Patents

Highway tunnel photovoltaic shed tunnel and luminance adjustment control method in shed tunnel Download PDF

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CN116456546A
CN116456546A CN202310664410.5A CN202310664410A CN116456546A CN 116456546 A CN116456546 A CN 116456546A CN 202310664410 A CN202310664410 A CN 202310664410A CN 116456546 A CN116456546 A CN 116456546A
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tunnel
shed
brightness
shed tunnel
photovoltaic
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CN116456546B (en
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杨春东
于海洋
王刚
姜立辉
徐国庆
李海军
孙敏娟
李世民
张家安
王华君
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Hebei Intelligent Transportation Technologyy Co ltd Of Hebtig
Chengde High Grade Highway Construction Management Group Co ltd
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Hebei Intelligent Transportation Technologyy Co ltd Of Hebtig
Chengde High Grade Highway Construction Management Group Co ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract

The invention relates to the technical field of tunnel traffic safety, in particular to a highway tunnel photovoltaic shed tunnel and a luminance regulation control method in the shed tunnel, wherein the luminance regulation control method in the shed tunnel comprises the steps of collecting external luminance of the highway tunnel photovoltaic shed tunnel through a data acquisition unit, and carrying out normalization processing on the external luminance through a data processing unit to obtain an external luminance normalization time sequence; analyzing the external brightness normalization time sequence through a data analysis unit, and determining brightness control parameters in the shed tunnel of the highway tunnel photovoltaic shed tunnel according to an analysis result; the luminance control parameters in the shed tunnel and the luminance control parameters in the preset shed tunnel are compared through the execution control unit, so that the luminance of the illuminating lamp in the shed tunnel is controlled and regulated, and the weakening effect of the black and white tunnel effect in the photovoltaic shed tunnel of the highway tunnel is improved.

Description

Highway tunnel photovoltaic shed tunnel and luminance adjustment control method in shed tunnel
Technical Field
The invention relates to the technical field of tunnel traffic safety, in particular to a highway tunnel photovoltaic shed tunnel and a luminance adjusting and controlling method in the shed tunnel.
Background
The highway tunnel portal generates black-white hole effect to bring visual obstruction to the driver of the in-out tunnel vehicles and influence the traffic safety due to the contrast of the brightness inside and outside the tunnel.
In order to avoid the visual influence of black-and-white hole effect on the drivers of the tunnel vehicles, a light-reducing shed hole scheme is generally adopted, namely, cement components, shed frames, green plants, perforated light shielding plates and the like are adopted.
However, the conventional scheme is to be improved for solving the problems of the optimal length of the dimming shed, the gradient change of the brightness reduction between the opening of the dimming shed and the tunnel opening, the natural brightness change in cloudy days/evenings and the like, and the black-white effect weakening effect cannot be well improved due to a rough structure and a simple brightness reduction method.
Disclosure of Invention
The present invention is directed to solving at least one of the technical problems existing in the related art. Therefore, in one aspect, the invention provides a method for adjusting and controlling the brightness in a shed tunnel, which comprises the following steps:
step S1, acquiring external brightness of a highway tunnel photovoltaic shed tunnel through a data acquisition unit, and carrying out normalization processing on the external brightness through a data processing unit to obtain an external brightness normalization time sequence;
s2, analyzing the external brightness normalization time sequence through a data analysis unit to obtain a luminance control parameter in the shed tunnel of the highway tunnel photovoltaic shed tunnel, and comparing the luminance control parameter in the shed tunnel with a luminance control parameter in a preset shed tunnel to determine a luminance control operation instruction in the shed tunnel;
and step S3, controlling and adjusting the brightness of the illuminating lamp in the shed tunnel by executing a control unit based on the brightness control operation instruction in the shed tunnel.
Further, the step S1 includes the steps of:
step S11, respectively setting brightness detection units at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel, respectively connecting the brightness detection units with the data acquisition units, and setting the acquisition interval duration and the acquisition period of the data acquisition units;
step S12, respectively acquiring external brightness data sets acquired by the two brightness detection units in the acquisition period through the data acquisition units, respectively acquiring external brightness probability distribution values of the front end of the shed tunnel and external brightness probability distribution values of the tail end of the shed tunnel acquired in the acquisition periods through probability distribution calculation of the external light data sets acquired in the acquisition periods through the data processing unit, and acquiring a screened external brightness data set of the front end of the shed tunnel and an external brightness data set of the tail end of the screened shed tunnel according to preset confidence;
step S13, performing clustering operation on the external brightness data set at the front end of the screened shed tunnel through a data processing unit to obtain a first clustering operation value of the external brightness data set at the front end of the screened shed tunnel, performing clustering operation on the external brightness data set at the tail end of the screened shed tunnel to obtain a second clustering operation value of the external brightness data set at the tail end of the screened shed tunnel, comparing the average value in the first clustering operation value and the second clustering operation value to obtain a group of data with the minimum average value, putting the group of data into a sliding time window, and calculating the average value of the data in each sliding time window to be the external brightness at the front end of the shed tunnel and the external brightness at the tail end of the shed tunnel;
step S14, constructing the external brightness of the front end of the shed tunnel as a first data unit by a data processing unit to obtain a time sequence of the brightness of the front end of the shed tunnelAnd constructing the external brightness of the tail end of the shed tunnel as a second data unit to obtain a time sequence +.>;
Step S15, the data processing unit is used for carrying out time series on the brightness of the front end of the shed tunnel according to a preset normalization standardNormalization processing is carried out to obtain the external brightness normalization time sequence of the front end of the shed tunnel>And +.A. for the temporal sequence of luminance at the end of the shed tunnel>Normalization processing is carried out to obtain the external brightness normalization time sequence of the tail end of the shed tunnel>。
Further, in the step S2, the external luminance of the shed tunnel end is normalized in time series by the data analysis unitThe latest value of (2) is recorded as +.>Calculation using equation (1)Weighting coefficient of shed tunnel front end brightness normalization time sequence Zn_F of highway tunnel photovoltaic shed tunnel>And the weighting coefficient of the external brightness normalization time series Zn_B of the tail end of the tunnel of the highway tunnel photovoltaic tunnel>Calculating the value of the next moment of the external brightness normalization time sequence of the tail end of the tunnel of the highway tunnel photovoltaic tunnel by adopting a formula (2)>And the value of the next moment is calculatedAs the brightness control parameter in the shed tunnel;
wherein ,representing a neural network function, +.>Representing self-circulation coefficient, +.>The autocorrelation coefficient of zn_b is represented.
Further, in the step S14, the first data unit and the second data unit are constructed by the data processing unit using formula (3);
wherein ,representing said first data unit,/for>Representing a second data unit->Indicates the current time, ++>Indicating the current external brightness of the front end of the shed tunnel, < + >>The current external brightness of the tail end of the shed tunnel is represented, and i represents the number of the current sliding time window;
generating a luminance time sequence of the front end of the shed tunnel according to the first data unit，；
And generating the tunnel end brightness time sequence according to the second data unit，, wherein />Representing the number of said sliding time windows.
Further, in the step S15, the preset normalization reference is a brightness value of a sunny day at the current moment.
Further, in the step S2, the preset intra-shed-cavity luminance control parameters include a first preset intra-shed-cavity luminance control parameter cdn_1 and a second preset intra-shed-cavity luminance control parameter CDn_2, wherein CDn_1 > CDn_2, and setting the minimum value of the luminance of the shed tunnel end of the highway tunnel photovoltaic shed tunnel to be 50cd/m 2 The normalized value corresponding to the minimum value of the tail end brightness of the shed tunnel at the current moment is K 50 ；
When (when)When the system is used, the execution control unit is used for controlling to close all openable common photovoltaic plates, and illumination is provided for the photovoltaic shed tunnel of the highway tunnel through the illumination lamp in the shed tunnel;
when (when)When the lighting device is used, the execution control unit is used for controlling the illumination brightness of the lighting lamp in the shed tunnel and closing the common photovoltaic panel;
when (when)And controlling to open the common photovoltaic panel by the execution control unit.
Further, when the illumination brightness of the intra-shed illumination lamp is controlled by the execution control unit, setting a control range from the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel to the intra-shed illumination lamp on w sections in the front end direction of the shed tunnel, and setting the voltage of the intra-shed illumination lamp on w sections from the tail end of the shed tunnel to the front as；
Calculating w using equation (4):
calculation using equation (5)：
When the common photovoltaic panel is controlled to be opened by the execution control unit, setting a control range from the tail end of the tunnel of the highway tunnel photovoltaic tunnel to the common photovoltaic panel on m sections in the front end direction of the tunnel, and calculating by adopting a formula (6):
Wherein d represents the number of sections of the highway tunnel photovoltaic shed tunnel,light control voltage at the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel is represented by +.>And the number of the illuminating lamp in the shed tunnel from the tail end of the shed tunnel to the front end of the shed tunnel of the highway tunnel photovoltaic shed tunnel is represented.
Further, the step S1 further includes a step S16, where the step S16 is to normalize, by the data analysis unit, the external brightness of the front end of the shed tunnel to be in a time sequenceAnd shed tunnel end external brightness normalization time series +.>Carrying out statistical calculation to obtain a mean value Va of a luminance time sequence at the front end of the tunnel and a variance Vb of the luminance time sequence at the front end of the tunnel of the highway tunnel, and respectively comparing the mean value Va and the variance Vb with weather type comparison parameters to determine a weather type;
the weather type comparison parameters comprise a first weather type comparison parameter Vdc, a second weather type comparison parameter Vab and a third weather type comparison parameter Vac, and the weather type comparison parameters are set to be more than 0.1 and less than Vab and less than 0.9;
when Va > Vac, determining, by the data analysis unit, that the weather type is sunny;
when Va < Vab and Vd < Vdc, determining, by the data analysis unit, that the weather type is cloudy;
when Va is larger than Vac, va is smaller than Vab and Vd is smaller than Vdc, determining that the weather type is changeable days through the data analysis unit;
the data analysis unit calculates a mean value Va of the luminance time sequence of the front end of the shed tunnel and a variance Vb of the time sequence by adopting a formula (7):
wherein Representing a screening function of sequentially removing the sequence +.>Maximum and minimum of (a) up to +.>Sequence length of->。
Further, when the ordinary photovoltaic panel is controlled to be opened by the execution control unit, determining again whether the ordinary photovoltaic panel needs to be opened according to the weather type;
when the weather type is sunny or cloudy, controlling to open the common photovoltaic panel through the execution control unit;
and when the weather type is changeable, determining and controlling the illumination brightness of the illumination lamp in the shed tunnel through the execution control unit in the current control period, and determining to open the common photovoltaic panel or controlling the illumination brightness of the illumination lamp in the shed tunnel according to the weather type in the next control period.
In another aspect, the present invention provides a highway tunnel photovoltaic shed tunnel, comprising:
the common photovoltaic plate is installed and covered on two sides of the highway tunnel photovoltaic shed tunnel through a photovoltaic plate installation support, and the photovoltaic plate installation support is used for providing an open working state and a closed working state for the common photovoltaic plate, so that the transparency of the paving position of the common photovoltaic plate is increased, and gradient brightness change is provided for the highway tunnel photovoltaic shed tunnel;
the brightness detection unit is respectively arranged at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel and is used for obtaining the external brightness of the highway tunnel photovoltaic tunnel;
the data acquisition unit is connected with the brightness detection unit and is used for acquiring the external brightness of the highway tunnel photovoltaic shed tunnel;
the data processing unit is connected with the data acquisition unit and is used for carrying out normalization processing on the external brightness to obtain an external brightness normalization time sequence;
the data analysis unit is connected with the data processing unit and is used for analyzing the external brightness normalization time sequence to obtain a luminance control parameter in the shed tunnel of the highway tunnel photovoltaic shed tunnel;
and the execution control unit is respectively connected with the data analysis unit and the photovoltaic panel mounting bracket and is used for comparing the brightness control parameters in the shed tunnel with the brightness control parameters in the preset shed tunnel to determine a common photovoltaic panel which is laid on the top of the outer side of the highway tunnel photovoltaic shed tunnel in an open or closed mode.
The above technical solutions in the embodiments of the present invention have at least one of the following technical effects:
the method for adjusting and controlling the brightness in the shed tunnel comprises the steps of collecting the external brightness of the photovoltaic shed tunnel of the highway tunnel through a data collecting unit, and carrying out normalization processing on the external brightness through a data processing unit to obtain an external brightness normalization time sequence; analyzing the external brightness normalization time sequence through a data analysis unit, and determining brightness control parameters in the shed tunnel of the highway tunnel photovoltaic shed tunnel according to an analysis result; and comparing the luminance control parameter in the shed tunnel with the luminance control parameter in the preset shed tunnel by the execution control unit, and determining to control the common photovoltaic panel paved at the outer top of the highway tunnel photovoltaic shed tunnel to execute opening or closing actions, so that the weakening effect of the black and white tunnel effect in the highway tunnel photovoltaic shed tunnel is improved.
Further, the front end and the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel are respectively provided with a brightness detection unit, the brightness detection units are respectively connected with the data acquisition units, and the acquisition interval duration and the acquisition period of the data acquisition units are set, so that the diversity of the external brightness data acquisition samples is improved, and the accuracy of the external brightness analysis results is further ensured.
Further, the data acquisition unit is used for acquiring an external brightness data set in the acquisition period, the data processing unit is used for carrying out probability distribution calculation on the external brightness data set to acquire a screened external brightness data set, and the accuracy of the external brightness analysis result is further ensured.
Further, clustering operation is performed on the screened external brightness data set through a data processing unit, the external brightness of the front end of the shed tunnel and the external brightness of the tail end of the shed tunnel in the external brightness are calculated according to a group of data with the smallest mean value obtained by the first clustering operation value and the second clustering operation value, the external brightness normalization time sequence is obtained, a normalization standard is set, the external brightness normalization time sequence is normalized according to the normalization standard, and the external brightness normalization time sequence is obtained, so that accuracy of the external brightness analysis result is further guaranteed.
Further, when the data processing unit calculates the brightness of the group of data with the minimum average value, the group of data with the minimum average value is placed into a sliding time window, the average value of the data in each sliding time window is calculated as the outer brightness of the front end of the shed tunnel and the outer brightness of the tail end of the shed tunnel, the value of the outer brightness of the shed tunnel and the current time are constructed as one data unit, and the external brightness normalization time sequence is determined according to the data unit, so that the accuracy of forming the external brightness normalization time sequence is improved.
Further, the method is adopted to determine a shed tunnel end external brightness normalization time sequence and a shed tunnel front end external brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel, the latest numerical value of the shed tunnel end external brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel is calculated, the weighting coefficient of the shed tunnel front end brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel and the weighting coefficient of the shed tunnel end external brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel are calculated, the numerical value of the next moment of the shed tunnel end external brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel is calculated according to the weighting coefficients, and the numerical value of the next moment is used as the shed tunnel internal brightness control parameter, so that the accuracy of the shed tunnel internal brightness adjustment control is improved.
Further, the control range of the illumination lamps in the shed tunnel is calculated and determined according to the number of sections of the photovoltaic shed tunnel of the highway tunnel, the voltage of the illumination lamps in the shed tunnel is determined according to the light control voltage at the tail end of the shed tunnel, and the control range is determined according to the brightness control parameters in the preset shed tunnel, so that the accuracy of brightness adjustment control in the shed tunnel is further improved.
Further, the data analysis unit is used for carrying out statistical calculation on the external brightness normalization time sequence to obtain the mean value of the luminance time sequence and the variance of the time sequence of the front end of the shed tunnel of the highway tunnel photovoltaic shed tunnel, the weather type is determined according to the comparison result of the mean value of the luminance time sequence of the front end of the shed tunnel and the variance of the time sequence of the shed tunnel and the weather type comparison parameter, and when the common photovoltaic panel is controlled to be opened through the execution control unit, whether the common photovoltaic panel needs to be opened or not is determined again according to the weather type, so that the accuracy of brightness adjustment control in the shed tunnel is further improved, and the weakening effect of black and white effects in the photovoltaic shed tunnel of the highway tunnel is further improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of the steps of the method for controlling the brightness adjustment in the shed tunnel.
Fig. 2 is a flowchart of specific steps of step S1 of the method for controlling luminance adjustment in a shed tunnel according to the present invention.
Fig. 3 is a graph of summer and winter brightness provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, are merely for convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that, unless otherwise explicitly indicated and limited thereto, the terms "coupled," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature "above" and "over" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Referring to fig. 1 to 2, fig. 1 is a flowchart illustrating steps of a method for adjusting and controlling luminance in a shed tunnel according to an embodiment of the present invention; fig. 2 is a flowchart showing specific steps of step S1 of the luminance adjustment control method in a shed tunnel according to an embodiment of the present invention.
In one aspect, the present invention provides a method for adjusting and controlling brightness in a shed tunnel, including the following steps:
step S1, collecting external brightness of a highway tunnel photovoltaic shed tunnel through a data collecting unit, and carrying out normalization processing on the external brightness through a data processing unit to obtain an external brightness normalization time sequence;
s2, analyzing the external brightness normalization time sequence through a data analysis unit to obtain a luminance control parameter in the shed tunnel of the highway tunnel photovoltaic shed tunnel, and comparing the luminance control parameter in the shed tunnel with a luminance control parameter in a preset shed tunnel to determine a luminance control operation instruction in the shed tunnel;
and step S3, controlling and adjusting the brightness of the illuminating lamp in the shed tunnel by executing the control unit based on the brightness control operation instruction in the shed tunnel.
Specifically, in step S2, the external luminance at the end of the shed tunnel is normalized to a time series by the data analysis meansThe latest value of (2) is recorded as +.>Calculating a shed tunnel front end brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel by adopting a formula (1)>Weighting coefficient of +.>And the external luminance normalization time series of the shed tunnel end of the highway tunnel photovoltaic shed tunnel +.>Weighting coefficient of +.>Calculating the value of the next moment of the external brightness normalization time sequence of the tail end of the tunnel of the highway tunnel photovoltaic tunnel by adopting a formula (2)>And the value of the next moment +.>As a luminance control parameter in the shed tunnel;
wherein ,representing a neural network function, +.>Representing self-circulation coefficient, +.>The autocorrelation coefficient of zn_b is represented.
Specifically, step S1 includes the steps of:
step S11, respectively arranging brightness detection units at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel, and respectively connecting the brightness detection units with a data acquisition unit;
specifically, in a preferred scheme, the acquisition interval duration of the data acquisition unit is set to be 1-10 seconds, and the acquisition period is set to be 5-10 minutes;
step S12, respectively acquiring external brightness data sets acquired by the two brightness detection units in the acquisition periods through the data acquisition units, respectively acquiring external brightness probability distribution values of the front end of the shed tunnel and external brightness probability distribution values of the tail end of the shed tunnel acquired in each acquisition period through probability distribution calculation of the external light data sets acquired in each acquisition period through the data processing unit, and acquiring a screened shed tunnel front end external brightness data set of the external brightness data sets and a screened shed tunnel tail end external brightness data set according to preset confidence.
Specifically, in step S12, a preferred embodiment uses a histogram method for probability distribution calculation, and the preset confidence level is 90%.
Step S13, clustering operation is carried out on the external brightness data set at the front end of the shed tunnel after screening through a data processing unit to obtain a first clustering operation value of the external brightness data set at the front end of the shed tunnel after screening, clustering operation is carried out on the external brightness data set at the tail end of the shed tunnel after screening to obtain a second clustering operation value of the external brightness data set at the tail end of the shed tunnel after screening, average values in the first clustering operation value and the second clustering operation value are compared to obtain a group of data with the minimum average value, the group of data is placed into sliding time windows, and the average value of the data in each sliding time window is calculated to be the external brightness at the front end of the shed tunnel and the external brightness at the tail end of the shed tunnel.
Specifically, in step S13, a preferred embodiment uses the Kmeans method of euclidean distance for the clustering operation.
Step S14, constructing the external brightness of the front end of the current shed tunnel into a first data unit through a data processing unit to obtain a time sequence of the brightness of the front end of the shed tunnelAnd constructing the current external brightness of the tail end of the shed tunnel as a second data unit to obtain a time sequence of the brightness of the tail end of the shed tunnel +.>。
Specifically, in step S14, a preferred embodiment constructs the first data unit and the second data unit by the data processing unit using formula (3);
wherein ,representing said first data unit,/for>Representing a second data unit->Indicates the current time, ++>Indicating the current external brightness of the front end of the shed tunnel, < + >>The current external brightness of the tail end of the shed tunnel is represented, and i represents the number of the current sliding time window;
generating a luminance time sequence of the front end of the shed tunnel according to the first data unit，；
And generating the tunnel end brightness time sequence according to the second data unit，, wherein />Representing the number of said sliding time windows.
Step S15, the data processing unit is used for carrying out time series on the brightness of the front end of the shed tunnel according to a preset normalization standardNormalization processing is carried out to obtain normalized time sequence of external brightness of the front end of the shed tunnel +.>And luminance time series of the shed tunnel end>Normalization processing is carried out to obtain a shed tunnel tail end external brightness normalization time sequence +.>。
Specifically, in step S15, a normalization reference is preset as a luminance value of a sunny day at the current time.
Specifically, the preset normalization reference is a luminance value of a sunny day at the current moment, the luminance of a sunny day is shown in fig. 3, fig. 3 is a graph of luminance between summer and winter, if the value of the reference curve between winter and winter at the moment Ti is ki_max, the value of the normalized external luminance Fi at the front end of the shed tunnel is Fni, fni =fi/ki_max, and the value of the normalized external luminance Bi at the tail end of the shed tunnel is Bni, bni =bi/ki_max;
setting an external luminance normalization time series zn_f= [ Fni |i=1, 2,3, … …, e ];
and setting an external luminance normalization time series zn_b= [ Bni |i=1, 2,3, … …, e ], wherein e is the number of elements of the external luminance normalization time series.
Specifically, in step S2, the preset intra-shed-cavity luminance control parameters include a first preset intra-shed-cavity luminance control parameter cdn_1 and a second preset intra-shed-cavity luminance control parameter cdn_2, where cdn_1 > cdn_2, and the minimum value of the luminance at the shed cavity end of the highway tunnel photovoltaic shed cavity is set to be 50cd/m 2 The normalized value corresponding to the minimum value of the tail end brightness of the shed tunnel at the current moment is K 50 ；
When (when)When the control unit is executed, the closing is controlledAll openable common photovoltaic panels provide illumination for the photovoltaic shed tunnel of the highway tunnel through the illumination lamps in the shed tunnel;
when (when)When the control unit is executed, the illumination brightness of the illuminating lamp in the shed tunnel is controlled, and the common photovoltaic panel is closed;
when (when)At this time, the open common photovoltaic panel is controlled by executing the control unit.
Specifically, when the illumination brightness of the intra-shed illumination lamp is controlled by executing the control unit, the control range is set to be the intra-shed illumination lamp on w sections from the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel to the front end direction of the shed tunnel, and the voltage of the intra-shed illumination lamp on w sections from the tail end of the shed tunnel to the front is set to be；
Calculating w using equation (4):
；
calculation using equation (5)：
；
When the open common photovoltaic panel is controlled by the execution control unit, setting a control range from the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel to the common photovoltaic panel on m sections in the front end direction of the shed tunnel, and calculating m by adopting a formula (6):
；
wherein d representsThe number of sections of the highway tunnel photovoltaic shed tunnel,light control voltage at the end of a shed tunnel representing a highway tunnel photovoltaic shed tunnel, +.>And the number of the illuminating lamp in the shed tunnel from the tail end of the shed tunnel to the front end of the shed tunnel of the highway tunnel photovoltaic shed tunnel is shown.
Specifically, in order to more precisely control the opening or closing of the general photovoltaic panel, when the opening of the general photovoltaic panel is controlled by executing the control unit, it is again determined whether the general photovoltaic panel needs to be opened according to the weather type.
Specifically, in order to obtain the weather type, the step S1 includes a step S16, where the step S16 is to normalize the time sequence of external brightness of the front end of the shed tunnel respectively by the data analysis unitAnd shed tunnel end external brightness normalization time series +.>And carrying out statistical calculation to obtain a mean value Va of a luminance time sequence at the front end of the tunnel and a variance Vb of the luminance time sequence at the front end of the tunnel of the highway tunnel photovoltaic tunnel, and respectively comparing the mean value Va and the variance Vb with weather type comparison parameters to determine the weather type.
Specifically, the data analysis unit calculates the mean Va of the luminance time series of the shed tunnel front end and the variance Vb of the time series by using the formula (7):
wherein Represents a screening function by sequentially removing the maximum and minimum values in the sequence Zn_F until the length of the sequence Zn_F is +.>。
Specifically, the weather type comparison parameters include a first weather type comparison parameter Vdc, a second weather type comparison parameter Vab, and a third weather type comparison parameter Vac, and 0.1 < Vdc < Vab < Vac < 0.9 is set;
when Va is larger than Vac, determining that the weather type is sunny through the data analysis unit;
when Va is less than Vab and Vd is less than Vdc, determining that the weather type is cloudy days through a data analysis unit;
when Va is larger than Vac, va is smaller than Vab and Vd is smaller than Vdc, the weather type is determined to be multiple days through the data analysis unit.
Specifically, when the weather type is sunny or cloudy, the open common photovoltaic panel is controlled by executing the control unit;
when the weather type is changeable, the control unit is executed to determine and control the illumination brightness of the illumination lamp in the shed tunnel in the current control period, and in the next control period, the open common photovoltaic panel is determined according to the weather type, or the illumination brightness of the illumination lamp in the shed tunnel is controlled.
In another aspect, another embodiment provided herein is a highway tunnel photovoltaic shed tunnel comprising:
the light-transmitting photovoltaic plates are covered and paved on the top end of the outer part of the highway tunnel photovoltaic shed tunnel, the paving quantity of the light-transmitting photovoltaic plates paved from the tunnel openings is the initial value, and the brightness gradient reduction of the shed tunnel is gradually increased and formed for providing auxiliary illumination for the interior of the highway tunnel photovoltaic shed tunnel;
the common photovoltaic plate is installed and covered on two sides of the highway tunnel photovoltaic shed tunnel through the photovoltaic plate installation support, and the photovoltaic plate installation support is used for providing an open working state and a closed working state for the common photovoltaic plate, so that the paving position of the common photovoltaic plate is increased in transparency, and gradient brightness change is provided for the highway tunnel photovoltaic shed tunnel;
the brightness detection unit is respectively arranged at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel and is used for obtaining the external brightness of the highway tunnel photovoltaic tunnel;
the data acquisition unit is connected with the brightness detection unit and is used for acquiring the external brightness of the highway tunnel photovoltaic shed tunnel;
the data processing unit is connected with the data acquisition unit and is used for carrying out normalization processing on the external brightness to obtain an external brightness normalization time sequence;
the data analysis unit is connected with the data processing unit and is used for analyzing the external brightness normalization time sequence and analyzing and obtaining the intra-shed-cavity brightness control parameters of the highway tunnel photovoltaic shed cavity;
and the execution control unit is respectively connected with the data analysis unit and the photovoltaic panel mounting bracket and is used for comparing the brightness control parameters in the shed tunnel with the preset brightness control parameters in the shed tunnel to determine the common photovoltaic panel which is laid on the top of the outer side of the photovoltaic shed tunnel of the highway tunnel in an open or closed mode.
Specifically, when constructing the highway tunnel photovoltaic shed tunnel, the length Ls of the tunnel entrance or exit shed tunnel is shown in formula (8):
wherein ,LM Representing the minimum and maximum length median of the tunnel entrance or exit,indicating the deviation angle between the driving direction and the north direction, L M1 Length influence coefficient representing road gradient before or after entrance of tunnel, +.>Indicating the road grade.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The method for adjusting and controlling the brightness in the shed tunnel is characterized by comprising the following steps of:
step S1, acquiring external brightness of a highway tunnel photovoltaic shed tunnel through a data acquisition unit, and carrying out normalization processing on the external brightness through a data processing unit to obtain an external brightness normalization time sequence;
s2, analyzing the external brightness normalization time sequence through a data analysis unit to obtain a luminance control parameter in the shed tunnel of the highway tunnel photovoltaic shed tunnel, and comparing the luminance control parameter in the shed tunnel with a luminance control parameter in a preset shed tunnel to determine a luminance control operation instruction in the shed tunnel;
step S3, controlling and adjusting the brightness of the illuminating lamp in the shed tunnel by executing a control unit based on the brightness control operation instruction in the shed tunnel;
wherein the external brightness normalization time sequence comprises an external brightness normalization time sequence at the front end of the shed tunnelAnd shed tunnel terminal external brightness normalization time series +.>；
In the step S2, the data analysis unit normalizes the external brightness of the shed tunnel end to a time seriesThe latest value of (2) is recorded as +.>Calculating a shed tunnel front end brightness normalization time sequence of the highway tunnel photovoltaic shed tunnel by adopting a formula (1)>Weighting coefficient of +.>And the external brightness normalization time sequence of the tail end of the tunnel of the highway tunnel photovoltaic tunnel +.>Weighting coefficient of +.>Calculating the value of the next moment of the external brightness normalization time sequence of the tail end of the tunnel of the highway tunnel photovoltaic tunnel by adopting a formula (2)>And the value of the next moment is calculatedAs the brightness control parameter in the shed tunnel;
wherein ,representing a neural network function, +.>Representing self-circulation coefficient, +.>Representation->Is a function of the autocorrelation coefficient of (a).
2. The method for controlling luminance adjustment in shed tunnel according to claim 1, wherein the step S1 comprises the steps of:
step S11, respectively setting brightness detection units at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel, respectively connecting the brightness detection units with the data acquisition units, and setting the acquisition interval duration and the acquisition period of the data acquisition units;
step S12, respectively acquiring external brightness data sets acquired by the two brightness detection units in the acquisition period through the data acquisition units, respectively acquiring external brightness probability distribution values of the front end of the shed tunnel and external brightness probability distribution values of the tail end of the shed tunnel acquired in the acquisition periods through probability distribution calculation of the external light data sets acquired in the acquisition periods through the data processing unit, and acquiring a screened external brightness data set of the front end of the shed tunnel and an external brightness data set of the tail end of the screened shed tunnel according to preset confidence;
step S13, performing clustering operation on the external brightness data set at the front end of the screened shed tunnel through a data processing unit to obtain a first clustering operation value of the external brightness data set at the front end of the screened shed tunnel, performing clustering operation on the external brightness data set at the tail end of the screened shed tunnel to obtain a second clustering operation value of the external brightness data set at the tail end of the screened shed tunnel, comparing the average value in the first clustering operation value and the second clustering operation value to obtain a group of data with the minimum average value, putting the group of data into a sliding time window, and calculating the average value of the data in each sliding time window to be the external brightness at the front end of the shed tunnel and the external brightness at the tail end of the shed tunnel;
step S14, constructing the external brightness of the front end of the shed tunnel as a first data unit by a data processing unit to obtain a time sequence of the brightness of the front end of the shed tunnelAnd constructing the external brightness of the tail end of the shed tunnel as a second data unit to obtain a time sequence +.>;
Step S15, the data processing unit is used for carrying out time series on the brightness of the front end of the shed tunnel according to a preset normalization standardNormalization processing is carried out to obtain the external brightness normalization time sequence of the front end of the shed tunnel>And +.A. for the temporal sequence of luminance at the end of the shed tunnel>Normalization processing is carried out to obtain the external brightness normalization time sequence of the tail end of the shed tunnel>。
3. The method according to claim 2, wherein in the step S14, the first data unit and the second data unit are constructed by using the data processing unit and the formula (3);
wherein ,representing said first data unit,/for>Representing a second data unit->Indicates the current time, ++>Indicating the current external brightness of the front end of the shed tunnel, < + >>The current external brightness of the tail end of the shed tunnel is represented, and i represents the number of the current sliding time window;
generating a luminance time sequence of the front end of the shed tunnel according to the first data unit，；
And generating the tunnel end brightness time sequence according to the second data unit，, wherein />Representing the number of said sliding time windows.
4. The method according to claim 3, wherein in the step S15, the preset normalization reference is a brightness value of a sunny day at a current time.
5. The method according to claim 1, wherein in the step S2, the preset intra-shed-cavity luminance control parameters include a first preset intra-shed-cavity luminance control parameter cdn_1 and a second preset intra-shed-cavity luminance control parameter cdn_1An internal brightness control parameter CDn_2, wherein CDn_1 > CDn_2, and setting the minimum value of the tunnel end brightness of the highway tunnel photovoltaic tunnel as 50cd/m 2 The normalized value corresponding to the minimum value of the tail end brightness of the shed tunnel at the current moment is K 50 ；
When (when)When the system is used, the execution control unit is used for controlling to close all openable common photovoltaic plates, and illumination is provided for the photovoltaic shed tunnel of the highway tunnel through the illumination lamp in the shed tunnel;
when (when)When the lighting device is used, the execution control unit is used for controlling the illumination brightness of the lighting lamp in the shed tunnel and closing the common photovoltaic panel;
when (when)And controlling to open the common photovoltaic panel by the execution control unit.
6. The method according to claim 5, wherein when the illumination brightness of the intra-shed illumination lamp is controlled by the execution control unit, the control range is set to be from the shed end of the highway tunnel photovoltaic shed to the intra-shed illumination lamp on w sections in the shed front end direction, and the voltage of the intra-shed illumination lamp on w sections forward from the shed end is set to be；
Calculating w using equation (4):
calculation using equation (5)：
When the common photovoltaic panel is controlled to be opened by the execution control unit, setting a control range from the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel to the common photovoltaic panel on m sections in the front end direction of the shed tunnel, and calculating m by adopting a formula (6):
wherein d represents the number of sections of the highway tunnel photovoltaic shed tunnel,light control voltage at the tail end of the shed tunnel of the highway tunnel photovoltaic shed tunnel is represented by +.>And the number of the illuminating lamp in the shed tunnel from the tail end of the shed tunnel to the front end of the shed tunnel of the highway tunnel photovoltaic shed tunnel is represented.
7. The method according to claim 6, wherein the step S1 further comprises a step S16, and the step S16 is to normalize the external brightness of the front end of the shed tunnel with respect to the time series respectively through the data analysis unitAnd shed tunnel end external brightness normalization time series +.>Performing statistical calculation to obtain the luminance time sequence of the front end of the tunnel of the highway tunnel photovoltaic tunnelThe mean Va of the columns and the variance Vb of the time sequence are compared with weather type comparison parameters respectively to determine the weather type;
the weather type comparison parameters comprise a first weather type comparison parameter Vdc, a second weather type comparison parameter Vab and a third weather type comparison parameter Vac, and the weather type comparison parameters are set to be more than 0.1 and less than Vab and less than 0.9;
when Va > Vac, determining, by the data analysis unit, that the weather type is sunny;
when Va < Vab and Vd < Vdc, determining, by the data analysis unit, that the weather type is cloudy;
when Va is larger than Vac, va is smaller than Vab and Vd is smaller than Vdc, determining that the weather type is changeable days through the data analysis unit;
the data analysis unit calculates a mean value Va of the luminance time sequence of the front end of the shed tunnel and a variance Vb of the time sequence by adopting a formula (7):
wherein Representing a screening function of sequentially removing the sequence +.>Maximum and minimum of (a) up to +.>Sequence length of->。
8. The method according to claim 7, wherein when the ordinary photovoltaic panel is controlled to be opened by the execution control unit, it is determined again whether the ordinary photovoltaic panel needs to be opened according to the weather type;
when the weather type is sunny or cloudy, controlling to open the common photovoltaic panel through the execution control unit;
and when the weather type is changeable, determining and controlling the illumination brightness of the illumination lamp in the shed tunnel through the execution control unit in the current control period, and determining to open the common photovoltaic panel or controlling the illumination brightness of the illumination lamp in the shed tunnel according to the weather type in the next control period.
9. A highway tunnel photovoltaic shed tunnel applying the luminance adjustment control method in a shed tunnel as claimed in any one of claims 1 to 8, comprising:
the common photovoltaic plate is installed and covered on two sides of the highway tunnel photovoltaic shed tunnel through a photovoltaic plate installation support, and the photovoltaic plate installation support is used for providing an open working state and a closed working state for the common photovoltaic plate, so that the transparency of the paving position of the common photovoltaic plate is increased, and gradient brightness change is provided for the highway tunnel photovoltaic shed tunnel;
the brightness detection unit is respectively arranged at the front end and the tail end of the tunnel of the highway tunnel photovoltaic tunnel and is used for obtaining the external brightness of the highway tunnel photovoltaic tunnel;
the data acquisition unit is connected with the brightness detection unit and is used for acquiring the external brightness of the highway tunnel photovoltaic shed tunnel;
the data processing unit is connected with the data acquisition unit and is used for carrying out normalization processing on the external brightness to obtain an external brightness normalization time sequence;
the data analysis unit is connected with the data processing unit and is used for analyzing the external brightness normalization time sequence to obtain a luminance control parameter in the shed tunnel of the highway tunnel photovoltaic shed tunnel;
and the execution control unit is respectively connected with the data analysis unit and the photovoltaic panel mounting bracket and is used for comparing the brightness control parameters in the shed tunnel with the brightness control parameters in the preset shed tunnel to determine a common photovoltaic panel which is laid on the top of the outer side of the highway tunnel photovoltaic shed tunnel in an open or closed mode.
CN202310664410.5A 2023-06-07 2023-06-07 Highway tunnel photovoltaic shed tunnel and luminance adjustment control method in shed tunnel Active CN116456546B (en)

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