CN109874211B - Intelligent illuminating system and method for expressway tunnel - Google Patents
Intelligent illuminating system and method for expressway tunnel Download PDFInfo
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- CN109874211B CN109874211B CN201910204861.4A CN201910204861A CN109874211B CN 109874211 B CN109874211 B CN 109874211B CN 201910204861 A CN201910204861 A CN 201910204861A CN 109874211 B CN109874211 B CN 109874211B
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Abstract
The invention discloses an intelligent illumination system and method for an expressway tunnel, which can intelligently control the illumination brightness of a lamp group in the expressway tunnel in real time according to the actual illumination and the change condition of the environment outside an entrance of the tunnel, so that eyes can gradually adapt to the obvious light and shade change inside and outside the tunnel when a driver passes through the tunnel, the dark adaptation time and the light adaptation time are shortened, the visual range of the driver is improved, the stimulation of sudden change of the illumination brightness to the driver is reduced, and the traffic safety of the expressway tunnel is ensured.
Description
Technical Field
The invention belongs to the technical field of traffic lighting, and particularly relates to an intelligent lighting system and method for an expressway tunnel.
Technical Field
China is a mountainous country, nearly two thirds of the total area of the country are mountainous regions, hills and rugged mountain areas, and in the regions, tunnels are often used for crossing over mountains to meet the technical requirements of high-grade highways. Although the highway tunnel has widely adopted the conventional traffic safety signboards of limiting the speed, the height and forbidding non-motor vehicles to pass through for the entrance and the exit of the road lane marking; traffic safety facilities such as monitoring, communication, fire protection, ventilation, illumination and the like are considered in the long and large tunnel; however, tunnel traffic accidents have been common in recent years. Data statistics shows that accidents frequently occur at the exit and the entrance of a tunnel, wherein one important reason is that the difference value of the internal and external illumination intensities of the exit and the entrance of the tunnel is large, and sudden change of brightness or illumination brightness easily causes a driver to stimulate eyes to generate glare when passing through the tunnel, namely temporary visual failure; meanwhile, the illumination in the tunnel is an illumination intensity value, so that the dark adaptation time and the light adaptation time are obviously prolonged, the sight distance of a driver is deteriorated, and the traffic safety hidden danger of the highway tunnel is greatly increased.
Therefore, how to reduce the adverse effect of sudden light and shade changes in the tunnel on the driver and ensure the traffic safety of the highway tunnel becomes a problem which needs to be solved urgently at present. Meanwhile, in order to solve the above-mentioned deficiencies of the prior art, a more advanced and effective intelligent lighting system for the highway tunnel is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent lighting system and method for an expressway tunnel.
An intelligent illumination system for a highway tunnel comprises a tunnel outlet external illumination sensor group, a tunnel outlet internal illumination sensor group, a tunnel middle section illumination sensor group, a tunnel inlet internal illumination sensor group, a tunnel inlet external illumination sensor group, a plurality of tunnel outlet lamp group controllers, a tunnel inlet lamp group controller and a tunnel middle section lamp group controller which are connected with a master control module, and a plurality of tunnel outlet lamp groups, tunnel inlet lamp groups and tunnel middle section lamp groups which are correspondingly controlled by the plurality of tunnel outlet lamp group controllers, the tunnel inlet lamp group controllers and the tunnel middle section lamp group controllers;
the tunnel exit external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel exit in real time and consists of one or more illumination sensors;
the illumination sensor group in the tunnel outlet is used for monitoring the illumination value and the change of the illumination value at a distance in the tunnel outlet in real time and consists of one or more illumination sensors;
the tunnel middle section illumination sensor group is used for monitoring the illumination value and the change of the illumination value in the middle part of the tunnel except for a distance between the tunnel outlet and the tunnel inlet in real time and consists of one or more illumination sensors;
the illumination sensor group in the tunnel entrance is used for monitoring the illumination value and the change thereof at a distance in the tunnel entrance in real time and consists of one or more illumination sensors;
the tunnel entrance external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel entrance in real time and consists of one or more illumination sensors;
the tunnel exit lamp group controller is used for controlling the opening or closing of the tunnel exit lamp group and the brightness adjustment of the tunnel exit lamp group;
the tunnel entrance lamp group controller is used for controlling the opening or closing of the tunnel entrance lamp group and the brightness adjustment of the tunnel entrance lamp group;
the tunnel middle section lamp group controller is used for controlling the opening or closing of the tunnel middle section lamp group and the brightness adjustment of the tunnel middle section lamp group;
the tunnel exit lamp group, the tunnel entrance lamp group and the tunnel middle section lamp group are respectively used for illuminating an exit, an entrance and a middle section in the tunnel;
the total control module is used for receiving the illumination sensor group outside the tunnel outlet, the illumination sensor group in the tunnel middle section, the real-time monitoring data of the illumination sensor group in the tunnel inlet and the illumination sensor group outside the tunnel inlet, and output control signals to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after analyzing and processing the data, thereby controlling the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group.
Furthermore, the tunnel entrance lamp group controllers are provided in plurality and control the tunnel entrance lamp groups in a one-to-one correspondence manner.
Furthermore, the tunnel exit lamp group controllers are provided in plurality and control the tunnel exit lamp groups in a one-to-one correspondence manner.
Furthermore, the tunnel middle section lamp group controller is provided with at least one lamp group for controlling a plurality of tunnel middle section lamp groups.
A control method applied to the intelligent lighting system of the highway tunnel comprises the following steps:
s101, respectively monitoring the environment outside the tunnel outlet, a distance inside the tunnel outlet, the middle part inside the tunnel, a distance inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet by using the illumination sensor group outside the tunnel outlet, the illumination sensor group inside the tunnel outlet, the illumination sensor group in the middle section of the tunnel, the illumination sensor group inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet, and simultaneously transmitting the real-time monitoring data to a master control module;
s102, the total control module comprehensively analyzes the received illumination intensity and change data of the illumination intensity at a distance from the outer environment of the tunnel outlet to the inner part of the tunnel outlet and calculates and distributes the illumination intensity according to a gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the inner part of the tunnel outlet; meanwhile, the received data of the illumination intensity and the change of the illumination intensity at a distance from the environment outside the tunnel entrance and the tunnel entrance are comprehensively analyzed and calculated and distributed according to a gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the tunnel entrance; meanwhile, comprehensively analyzing and calculating the received tunnel middle section illumination intensity value and the tunnel entrance and exit illumination intensity value, and outputting the illumination intensity value as the current appropriate illumination intensity value of the tunnel middle section lamp group;
s103, the master control module respectively outputs control signals of a section of currently required illumination intensity value of each lamp group in the tunnel outlet, a section of currently required illumination intensity value of each lamp group in the tunnel inlet and a currently suitable illumination intensity value of the lamp group in the middle tunnel section to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after comprehensive analysis and calculation, and then intelligently controls the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group according to the different illumination of the inside and the outside of the tunnel;
and S104, circularly performing the steps until the whole system is closed, wherein the whole process is real-time and dynamic because the illumination intensity of each part inside and outside the tunnel continuously changes along with the time.
Further, the gradual change rule is related to the length of the tunnel, and the specific calculation formula is as follows:
(1) when L is more than or equal to 1600m,
(2) when L is more than or equal to 300m and less than 1600m,
①
②
wherein, L is the total length of the tunnel;
n is the total number of tunnel lamp groups arranged at a distance in the tunnel exit or entrance;
n is the nth tunnel lamp group arranged at a distance in the tunnel exit or entrance;
E0the highest value of the illumination intensity monitored for the environment outside the tunnel exit or entrance;
EN+1the minimum value of the illumination intensity monitored for a distance in the tunnel exit or entrance;
Enthe illumination intensity value of the nth tunnel lamp group is set for a distance in the tunnel exit or entrance;
note that: n, N, E in the formula0、EN+1、EnAnd simultaneously, the relevant value of the tunnel exit or the relevant value of the tunnel entrance.
Furthermore, the output illumination intensity value suitable for the tunnel middle section lamp group at present is determined by the arithmetic mean value of the tunnel middle section illumination intensity mean value, the minimum value of a section of distance illumination intensity in the tunnel entrance and the minimum value of a section of distance illumination intensity in the tunnel exit.
Compared with the prior art, the invention can intelligently control the illumination brightness of the lamp group in the expressway tunnel in real time according to the actual illumination and the change condition of the environment outside the tunnel exit, so that eyes can gradually adapt to the obvious light and shade change inside and outside the tunnel when a driver passes through the tunnel, the dark adaptation time and the light adaptation time are shortened, the visual range of the driver is improved, the stimulation of the sudden change of the illumination brightness to the driver is reduced, and the traffic safety of the expressway tunnel is ensured.
Drawings
Fig. 1 is a structural diagram of an intelligent lighting system for a highway tunnel according to a first embodiment of the present invention.
Fig. 2 is a flowchart of a control method of the intelligent lighting system for the highway tunnel according to the first embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes in detail an intelligent lighting system and method for a highway tunnel provided by the present invention with reference to the accompanying drawings. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example one
As shown in fig. 1, the present invention provides an intelligent lighting system for expressway tunnels, which comprises an external illumination sensor group at tunnel exit, an internal illumination sensor group at tunnel exit, an illumination sensor group at tunnel middle section, an internal illumination sensor group at tunnel entrance, an external illumination sensor group at tunnel entrance, a plurality of tunnel exit lamp group controllers, a tunnel entrance lamp group controller and a tunnel middle section lamp group controller, and a plurality of tunnel exit lamp groups, tunnel entrance lamp groups and tunnel middle section lamp groups correspondingly controlled by the tunnel exit lamp group controllers, the tunnel entrance lamp group controllers and the tunnel middle section lamp group controllers;
the tunnel exit external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel exit in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the illumination sensor group in the tunnel outlet is used for monitoring the illumination value and the change of the illumination value at a distance in the tunnel outlet in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel middle section illumination sensor group is used for monitoring the illumination value and the change of the illumination value in the middle part of the tunnel except for a distance between the tunnel outlet and the tunnel inlet in real time, consists of one or more illumination sensors and can be arranged at the corresponding position according to the actual condition;
the illumination sensor group in the tunnel entrance is used for monitoring the illumination value and the change thereof at a distance in the tunnel entrance in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel entrance external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel entrance in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel exit lamp group controller is used for controlling the opening or closing of the tunnel exit lamp group and the brightness adjustment of the tunnel exit lamp group;
the tunnel entrance lamp group controller is used for controlling the opening or closing of the tunnel entrance lamp group and the brightness adjustment of the tunnel entrance lamp group;
the tunnel middle section lamp group controller is used for controlling the opening or closing of the tunnel middle section lamp group and the brightness adjustment of the tunnel middle section lamp group;
and the tunnel exit lamp group, the tunnel entrance lamp group and the tunnel middle section lamp group are respectively used for illuminating an exit, an entrance and a middle section in the tunnel.
The master control module is used for receiving the real-time monitoring data of the tunnel outlet external illumination sensor group, the tunnel outlet internal illumination sensor group, the tunnel middle section illumination sensor group, the tunnel inlet internal illumination sensor group and the tunnel inlet external illumination sensor group, and outputs a control signal to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after analyzing and processing the data, thereby controlling the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group.
The tunnel entrance lamp group controllers are arranged in a plurality of numbers and control the tunnel entrance lamp groups in a one-to-one correspondence mode.
The tunnel exit lamp group controllers are arranged in a plurality of numbers and control the tunnel exit lamp groups in a one-to-one correspondence mode.
The tunnel middle section lamp group controller is provided with at least one lamp group for controlling a plurality of tunnel middle section lamp groups.
The control method applied to the intelligent lighting system for the expressway tunnel comprises the following steps:
s101, respectively monitoring the environment outside the tunnel outlet, a distance inside the tunnel outlet, the middle part inside the tunnel, a distance inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet by using the illumination sensor group outside the tunnel outlet, the illumination sensor group inside the tunnel outlet, the illumination sensor group in the middle section of the tunnel, the illumination sensor group inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet, and simultaneously transmitting the real-time monitoring data to a master control module;
s102, the total control module comprehensively analyzes the received illumination intensity and change data of the illumination intensity at a distance from the outer environment of the tunnel outlet to the inner space of the tunnel outlet and calculates and distributes the illumination intensity and the change data according to a certain gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the inner space of the tunnel outlet; meanwhile, the received data of the illumination intensity and the change of the illumination intensity at a distance from the environment outside the tunnel entrance and the tunnel entrance are comprehensively analyzed and calculated and distributed according to a certain gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the tunnel entrance; meanwhile, comprehensively analyzing and calculating the received tunnel middle section illumination intensity value and the tunnel entrance and exit illumination intensity value, and outputting the illumination intensity value as the current appropriate illumination intensity value of the tunnel middle section lamp group;
s103, the master control module respectively outputs control signals of a section of currently required illumination intensity value of each lamp group in the tunnel outlet, a section of currently required illumination intensity value of each lamp group in the tunnel inlet and a currently suitable illumination intensity value of the lamp group in the middle tunnel section to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after comprehensive analysis and calculation, and then intelligently controls the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group according to the different illumination of the inside and the outside of the tunnel;
and S104, circularly performing the steps until the whole system is closed, wherein the whole process is real-time and dynamic because the illumination intensity of each part inside and outside the tunnel continuously changes along with the time.
The gradual change rule is related to the length of the tunnel, and the specific calculation formula is as follows:
(1) when L is more than or equal to 1600m,
(2) when L is more than or equal to 300m and less than 1600m,
①
②
wherein:
l is the total length of the tunnel;
n is the total number of tunnel lamp groups arranged at a distance in the tunnel exit or entrance;
n is the nth tunnel lamp group arranged at a distance in the tunnel exit or entrance;
E0the highest value of the illumination intensity monitored for the environment outside the tunnel exit or entrance;
EN+1the minimum value of the illumination intensity monitored for a distance in the tunnel exit or entrance;
Enthe illumination intensity value of the nth tunnel lamp group is set for a distance in the tunnel exit or entrance;
note that: n, N, E in the formula0、EN|1、EnAnd simultaneously, the relevant value of the tunnel exit or the relevant value of the tunnel entrance.
The output illumination intensity value suitable for the tunnel middle section lamp group at present is determined by the arithmetic mean value of the tunnel middle section illumination intensity mean value, the minimum value of a section of distance illumination intensity in the tunnel entrance and the minimum value of a section of distance illumination intensity in the tunnel exit. Compared with the prior art, the invention can intelligently control the illumination brightness of the lamp group in the expressway tunnel in real time according to the actual illumination and the change condition of the environment outside the tunnel exit, so that eyes can gradually adapt to the obvious light and shade change inside and outside the tunnel when a driver passes through the tunnel, the stimulation of the sudden change of the illumination brightness to the driver is reduced, and the traffic safety of the expressway tunnel is ensured.
Example two
An intelligent lighting device for an expressway tunnel comprises a tunnel exit illumination information collection unit, a tunnel middle section illumination information collection unit, a tunnel entrance illumination information collection unit, a tunnel exit lamp group control unit, a tunnel middle section lamp group control unit and a tunnel entrance lamp group control unit which are all connected with a central data processing unit; the tunnel exit internal illumination sensor group and the tunnel exit external illumination sensor group are connected with the tunnel exit illumination information collecting unit; the tunnel entrance internal illumination sensor group and the tunnel entrance external illumination sensor group are connected with the tunnel entrance illumination information collecting unit; the tunnel middle section illumination sensor group is connected with the tunnel middle section illumination information collecting unit; the tunnel exit lamp group control unit, the tunnel entrance lamp group control unit and the tunnel middle section lamp group control unit correspondingly control the plurality of tunnel exit lamp groups, the plurality of tunnel entrance lamp groups and the plurality of tunnel middle section lamp groups;
the tunnel exit external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel exit in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the illumination sensor group in the tunnel outlet is used for monitoring the illumination value and the change of the illumination value at a distance in the tunnel outlet in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel middle section illumination sensor group is used for monitoring the illumination value and the change of the illumination value in the middle part of the tunnel except for a distance between the tunnel outlet and the tunnel inlet in real time, consists of one or more illumination sensors and can be arranged at the corresponding position according to the actual condition;
the illumination sensor group in the tunnel entrance is used for monitoring the illumination value and the change thereof at a distance in the tunnel entrance in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel entrance external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel entrance in real time, consists of one or more illumination sensors and can be arranged at corresponding positions according to actual conditions;
the tunnel exit illumination information collection unit is used for collecting real-time monitoring data of the tunnel exit inner illumination sensor group and the tunnel exit outer illumination sensor group, and transmitting the real-time monitoring data to the central data processing unit after preprocessing;
the tunnel entrance illumination information collection unit is used for collecting real-time monitoring data of the tunnel entrance inner illumination sensor group and the tunnel entrance outer illumination sensor group, and transmitting the real-time monitoring data to the central data processing unit after preprocessing;
the tunnel middle section illumination information collection unit is used for collecting real-time monitoring data of the tunnel middle section illumination sensor group, and transmitting the data to the central data processing unit after preprocessing;
the tunnel exit lamp groups, the tunnel entrance lamp groups and the tunnel middle section lamp groups are respectively used for illuminating an exit, an entrance and a middle section in the tunnel;
the tunnel exit lamp group control unit is used for receiving the control signal of the central data processing unit, outputting the control signal to the corresponding tunnel exit lamp group and controlling the opening or closing and brightness adjustment of the tunnel exit lamp group;
the tunnel entrance lamp group control unit is used for receiving the control signal of the central data processing unit, outputting the control signal to the corresponding tunnel entrance lamp group and controlling the opening or closing and brightness adjustment of the tunnel entrance lamp group;
the tunnel middle section lamp group control unit receives the control signal of the central data processing unit, outputs the control signal to the corresponding tunnel middle section lamp group and controls the opening or closing and brightness adjustment of the tunnel middle section lamp group;
the central data processing unit is used for receiving real-time monitoring data preprocessed by the tunnel outlet illumination information collecting unit, the tunnel middle section illumination information collecting unit and the tunnel inlet illumination information collecting unit, analyzing and processing the data, and outputting control signals to the tunnel outlet lamp group control unit, the tunnel inlet lamp group control unit and the tunnel middle section lamp group control unit so as to control the opening or closing and brightness adjustment of all the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group.
The tunnel exit external illumination sensor group at least comprises 3 illumination sensors which are respectively arranged between two sides of the tunnel exit and 1.2-1.8 m away from the road surface, and one of the illumination sensors is arranged right above the tunnel exit and is 0.3-1.2 m away from the road surface; the arrangement of more than 3 illumination sensors can be arranged according to the priority order:
(1) the tunnel entrance external illumination condition is better or the side without obvious shielding;
(2) the side with poor illumination condition or obvious shielding outside the tunnel entrance;
(3) and the tunnel is arranged right above the entrance.
The illumination sensor group outside the tunnel entrance at least comprises 3 illumination sensors which are respectively arranged between two sides of the tunnel entrance and 1.2-1.8 m away from the road surface and one in the range of 0.3-1.2 m above the tunnel entrance; the arrangement of more than 3 illumination sensors can be arranged according to the priority order:
(1) the tunnel entrance external illumination condition is better or the side without obvious shielding;
(2) the side with poor illumination condition or obvious shielding outside the tunnel entrance;
(3) and the tunnel is arranged right above the entrance.
The number of the illumination sensor groups and the number of the illumination sensors in the tunnel outlet and the tunnel inlet are determined by the total length L of the tunnel and the length s of a distance in the tunnel outlet or the tunnel inlet, and the specific layout rule is as follows:
(1) when L is more than or equal to 300m and less than 500m, s is 150m, the illumination sensor groups in the tunnel outlet and the tunnel inlet start from the tunnel outlet or the tunnel inlet and stop at the position of 150m in the tunnel, and an illumination sensor is respectively arranged between the two sides of the tunnel and the road surface at intervals of 30m and 1.2-1.8 m to serve as a group of illumination sensor groups;
(2) when L is more than or equal to 500m and less than 1000m, s is 250m, the illumination sensor groups in the tunnel outlet and the tunnel inlet start from the tunnel outlet or the tunnel inlet and stop at 250m in the tunnel, and an illumination sensor is respectively arranged between two sides in the tunnel and the road surface at intervals of 50m and 1.2-1.8 m to serve as a group of illumination sensor groups;
(3) and when L is more than or equal to 1000m, s is 500m, the illumination sensor groups in the tunnel outlet and the tunnel inlet start from the tunnel outlet or the tunnel inlet to 500m in the tunnel, and one illumination sensor is respectively arranged between the two sides of the tunnel and the road surface at intervals of 50m and 1.2-1.8 m away from the road surface to serve as one illumination sensor group.
The layout principle of the tunnel middle section illumination sensor group is as follows: and respectively arranging a group of illumination sensor groups in the middle part and two ends of the middle section of the tunnel, wherein each group is respectively provided with an illumination sensor between the distance between the two sides of the tunnel and the road surface by 1.2-1.8 m.
The tunnel exit lamp group control unit and the tunnel entrance lamp group control unit respectively comprise a plurality of lamp group controllers, each lamp group controller correspondingly controls one lamp group, and the number of the lamp group controllers and the number of the lamp groups are respectively consistent with the set number of the illumination sensor groups in the tunnel exit and the tunnel entrance.
The tunnel middle section lamp group control unit at least comprises a lamp group controller used for controlling the on-off and brightness adjustment of all tunnel middle section lamp groups, the tunnel middle section lamp groups are arranged at the positions 1.2-1.8 m away from the road surface on two sides in the tunnel, the arrangement number can be executed according to the related design specifications of tunnel illumination, and the arrangement number can be selected according to the actual situation.
The tunnel exit lamp group, the tunnel entrance lamp group and the tunnel middle lamp group all comprise one or more lighting devices, the types and the number of the lighting devices need to meet the highest illumination intensity value required by the invention, and appropriate allowance is left.
The working principle of the invention is as follows: the tunnel exit illumination information collection unit, the tunnel middle section illumination information collection unit, the tunnel entrance illumination information collection unit is with sensor data that each collected transmit to central data processing unit in real time after the preliminary treatment, central data processing unit calculates the distribution according to certain gradual change law after carrying out the integrated analysis with the received data, output control signal to tunnel exit banks control unit, tunnel middle section banks control unit and tunnel entrance banks control unit, and then control the switch and the luminance control of each banks control unit corresponding banks, realize the gradual change of a section distance illumination luminance in the tunnel exit and the entrance, improve driver's stadia, reduce the stimulus to the driver of the sudden change of illumination luminance, ensure highway tunnel's traffic safety.
The control method applied to the intelligent lighting system for the expressway tunnel comprises the following steps:
s101, respectively monitoring the environment outside the tunnel outlet, a distance inside the tunnel outlet, the middle part inside the tunnel, a distance inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet by using the illumination sensor group outside the tunnel outlet, the illumination sensor group inside the tunnel outlet, the illumination sensor group in the middle section of the tunnel, the illumination sensor group inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet, and simultaneously transmitting the real-time monitoring data to a master control module;
s102, the total control module comprehensively analyzes the received illumination intensity and change data of the illumination intensity at a distance from the outer environment of the tunnel outlet to the inner space of the tunnel outlet and calculates and distributes the illumination intensity and the change data according to a certain gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the inner space of the tunnel outlet; meanwhile, the received data of the illumination intensity and the change of the illumination intensity at a distance from the environment outside the tunnel entrance and the tunnel entrance are comprehensively analyzed and calculated and distributed according to a certain gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the tunnel entrance; meanwhile, comprehensively analyzing and calculating the received tunnel middle section illumination intensity value and the tunnel entrance and exit illumination intensity value, and outputting the illumination intensity value as the current appropriate illumination intensity value of the tunnel middle section lamp group;
s103, the master control module respectively outputs control signals of a section of currently required illumination intensity value of each lamp group in the tunnel outlet, a section of currently required illumination intensity value of each lamp group in the tunnel inlet and a currently suitable illumination intensity value of the lamp group in the middle tunnel section to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after comprehensive analysis and calculation, and then intelligently controls the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group according to the different illumination of the inside and the outside of the tunnel;
and S104, circularly performing the steps until the whole system is closed, wherein the whole process is real-time and dynamic because the illumination intensity of each part inside and outside the tunnel continuously changes along with the time.
The gradual change rule is related to the length of the tunnel, and the specific calculation formula is as follows:
(1) when L is more than or equal to 1600m,
(2) when L is more than or equal to 300m and less than 1600m,
①
②
wherein:
l is the total length of the tunnel;
n is the total number of tunnel lamp groups arranged at a distance in the tunnel exit or entrance;
n is the nth tunnel lamp group arranged at a distance in the tunnel exit or entrance;
E0the highest value of the illumination intensity monitored for the environment outside the tunnel exit or entrance;
EN+1the minimum value of the illumination intensity monitored for a distance in the tunnel exit or entrance;
Enthe illumination intensity value of the nth tunnel lamp group is set for a distance in the tunnel exit or entrance;
note that: n, N, E in the formula0、EN+1、EnAnd simultaneously, the relevant value of the tunnel exit or the relevant value of the tunnel entrance.
The output illumination intensity value suitable for the tunnel middle section lamp group at present is determined by the arithmetic mean value of the tunnel middle section illumination intensity mean value, the minimum value of a section of distance illumination intensity in the tunnel entrance and the minimum value of a section of distance illumination intensity in the tunnel exit.
Compared with the prior art, the invention can intelligently control the illumination brightness of the lamp group in the expressway tunnel in real time according to the actual illumination and the change conditions of the environment outside the tunnel exit and the tunnel entrance, so that eyes can gradually adapt to the obvious light and shade change inside and outside the tunnel when a driver passes through the tunnel, the dark adaptation time and the light adaptation time are shortened, the visual range of the driver is improved, the stimulation of the sudden change of the illumination brightness to the driver is reduced, and the traffic safety of the expressway tunnel is ensured.
EXAMPLE III
An improved expressway tunnel lighting auxiliary device comprises a tunnel exit inner lighting sensor, a tunnel exit outer lighting sensor, a tunnel entrance inner lighting sensor, a tunnel entrance outer lighting sensor, a tunnel exit gradual change lamp group controller and a tunnel entrance gradual change lamp group controller which are all connected with a control unit; the tunnel exit gradual change lamp group controller and the tunnel entrance gradual change lamp group controller respectively correspond to the plurality of tunnel exit gradual change lamp groups and the plurality of tunnel entrance gradual change lamp groups;
the tunnel exit external illumination sensor is used for monitoring the illumination value and the change of the environment outside the tunnel exit in real time and can be arranged at a corresponding position according to actual conditions;
the illumination sensor in the tunnel outlet is used for monitoring the illumination value and the change of a distance (namely the selected gradual change distance for installing the gradual change lamp group) in the tunnel outlet in real time, and can be arranged at a corresponding position according to the actual condition;
the illumination sensor in the tunnel entrance is used for monitoring the illumination value and the change of a distance (namely the selected gradual change distance for installing the gradual change lamp group) in the tunnel entrance in real time, and can be arranged at a corresponding position according to the actual condition;
the tunnel entrance external illumination sensor is used for monitoring the illumination value and the change of the environment outside the tunnel entrance in real time and can be arranged at a corresponding position according to actual conditions;
the tunnel exit gradual change lamp groups and the tunnel entrance gradual change lamp groups are respectively used for gradual change illumination of an exit and an entrance in the tunnel;
the tunnel exit gradual change lamp group controller is used for receiving the control signal of the control unit, outputting the control signal to the corresponding tunnel exit gradual change lamp group and controlling the opening or closing and brightness adjustment of the tunnel exit gradual change lamp group;
the tunnel entrance gradual change lamp group controller is used for receiving the control signal of the control unit, outputting the control signal to the corresponding tunnel entrance gradual change lamp group and controlling the opening or closing and brightness adjustment of the tunnel entrance gradual change lamp group;
the control unit is used for receiving real-time monitoring data of the tunnel exit internal illumination sensor, the tunnel exit external illumination sensor, the tunnel entrance internal illumination sensor and the tunnel entrance external illumination sensor, analyzing and processing the data, and outputting control signals to the tunnel exit gradient lamp group controller and the tunnel entrance gradient lamp group controller so as to control the opening or closing of the tunnel exit gradient lamp group and the tunnel entrance gradient lamp group and the brightness adjustment of the tunnel exit gradient lamp group and the tunnel entrance gradient lamp group.
The tunnel exit external illumination sensor can be arranged at a position with better or no obvious shielding condition outside the tunnel exit, and can be arranged in one or more positions.
The tunnel entrance external illumination sensor can be arranged at a position with better or no obvious shielding condition outside the tunnel entrance, and can be arranged in one or more positions.
The illumination sensor in the tunnel exit and the illumination sensor in the tunnel entrance are respectively arranged in the tunnel exit and the tunnel entrance, and the gradual change distance selected in the tunnel exit and the tunnel entrance extends by 50-100 m.
The tunnel exit gradual change lamp group controller and the tunnel entrance gradual change lamp group controller at least comprise 5 gradual change lamp groups (namely the tunnel exit gradual change lamp group and the tunnel entrance gradual change lamp group are at least provided with 5 groups), the 5 gradual change lamp groups are equidistantly arranged in a gradual change distance selected by the tunnel, the number of the lighting devices can be specifically calculated and distributed according to the maximum difference value of the actual illumination intensity inside and outside the tunnel, and can also be preset to be 2, 4, 6, 8 and 10 from high to low.
The starting condition and the brightness regulation rule of the gradual change lamp group are as follows:
(1) the starting conditions of the gradual change lamp group are as follows:
①E0-EN+1≥2200 lux E0≥EN+1(i.e. daytime)
②EN+1-E0≥1300 lux EN+1≥E0(i.e. night)
(2) The formula for adjusting the brightness of the gradient lamp group is as follows:
wherein the content of the first and second substances,
|′WMnsetting a PWM control value of the illumination intensity of the nth tunnel lamp group in the gradual change distance of the tunnel exit or entrance;
delta is the change rate of the illumination intensity in the unit time inside and outside the tunnel;
n is the total number of tunnel lamp groups arranged in the gradual change distance of the tunnel exit or entrance;
n is the nth tunnel lamp group arranged in the gradual change distance of the tunnel outlet or the tunnel inlet;
E0the highest value of the illumination intensity monitored for the environment outside the tunnel exit or entrance;
KN|1the minimum value of the illumination intensity monitored in the gradual change distance of the tunnel exit or entrance;
k is PWMnThe corrected value of (2) is related to the air humidity and temperature in the tunnel, the length, width, height and shape of the tunnel, the arrangement height of the lamp group and the like;
note that: PWM in the formulan、δ、N、n、EU、EN+1And K is related value of the tunnel outlet or related value of the tunnel inlet at the same time.
Description of the drawings: when delta is more than or equal to 5 or delta is less than or equal to-3, the brightness of the gradual change lamp group is adjusted，|ED-EN|1The greater the value of | is, the greater the light intensity (or brightness) of the gradual change lamp group is, and the light intensity adjustment corresponds to different | E according to the difference of delta (namely the change rate of the light intensity in unit time)0-KN|1And adjusting a relation curve of the l and the PWM control value (duty ratio percentage), wherein the curve is a curve drawn by the brightness adjustment formula of the gradual change lamp group.
Wherein the content of the first and second substances,
the change rate of the illumination intensity in unit time is positive, the value indicates that the illumination intensity outside the tunnel is greater than the illumination intensity inside the tunnel, namely the daytime period, the value is negative, the illumination intensity outside the tunnel is less than the illumination intensity outside the tunnel, namely the night period, when the value is 0, the illumination intensities inside and outside the tunnel are consistent, the gradual change lamp group does not need to be started, when delta is not less than 3 and not more than 5, the difference of the illumination intensity inside and outside the tunnel is not large, and the gradual change lamp group does not need to be started; when delta is more than or equal to 5 or delta is less than or equal to-3, the difference of the change of the illumination intensity inside and outside the tunnel is large, the gradual change lamp group needs to be started, and the illumination intensity of the gradual change lamp group is controlled by a PWM control value (duty ratio percentage).
The tunnel exit gradient lamp group and the tunnel entrance gradient lamp group comprise a plurality of lighting devices, the types and the number of the lighting devices are selected, the highest illumination intensity value required by the invention needs to be met, and a margin is properly reserved.
The whole device can be additionally arranged on the original tunnel lighting system and can also replace the lighting function of the original tunnel lighting system in the selected gradual change distance.
The working principle of the invention is as follows: the tunnel exit internal illumination sensor, the tunnel exit external illumination sensor, the tunnel entrance internal illumination sensor and the tunnel entrance external illumination sensor monitor the illumination intensity inside and outside the tunnel in real time, and simultaneously transmit monitoring data to the control unit, and the control unit outputs control signals to the tunnel exit gradual change lamp group controller and the tunnel entrance gradual change lamp group controller respectively after data analysis (namely, a PWM control value of the gradual change lamp group is calculated according to the monitoring data according to a formula), so as to control the on-off and brightness adjustment of the tunnel exit gradual change lamp group and the tunnel entrance gradual change lamp group;
compared with the prior art, the highway tunnel lamp group with gradually changed illumination brightness is arranged in the tunnel outlet and the tunnel inlet according to the illumination intensity difference and the change of the environment outside the tunnel outlet and the tunnel inlet and the illumination intensity difference in the tunnel, so that eyes can gradually adapt to the obvious light and shade change inside and outside the tunnel when a driver passes through the tunnel, the dark adaptation time and the light adaptation time are shortened, the visual range of the driver is improved, the stimulation of sudden change of the illumination brightness to the driver is reduced, and the traffic safety of the highway tunnel is ensured.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. An intelligent illuminating system for a highway tunnel is characterized by comprising a tunnel outlet external illumination sensor group, a tunnel outlet internal illumination sensor group, a tunnel middle section illumination sensor group, a tunnel inlet internal illumination sensor group, a tunnel inlet external illumination sensor group, a plurality of tunnel outlet lamp group controllers, a tunnel inlet lamp group controller and a tunnel middle section lamp group controller which are connected with a master control module, and a plurality of tunnel outlet lamp groups, tunnel inlet lamp groups and tunnel middle section lamp groups which are correspondingly controlled by the plurality of tunnel outlet lamp group controllers, tunnel inlet lamp group controllers and tunnel middle section lamp group controllers;
the tunnel exit external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel exit in real time and consists of one or more illumination sensors;
the illumination sensor group in the tunnel outlet is used for monitoring the illumination value and the change of the illumination value at a distance in the tunnel outlet in real time and consists of one or more illumination sensors;
the tunnel middle section illumination sensor group is used for monitoring the illumination value and the change of the illumination value in the middle part of the tunnel except for a distance between the tunnel outlet and the tunnel inlet in real time and consists of one or more illumination sensors;
the illumination sensor group in the tunnel entrance is used for monitoring the illumination value and the change thereof at a distance in the tunnel entrance in real time and consists of one or more illumination sensors;
the tunnel entrance external illumination sensor group is used for monitoring the illumination value and the change of the environment outside the tunnel entrance in real time and consists of one or more illumination sensors;
the tunnel exit lamp group controller is used for controlling the opening or closing of the tunnel exit lamp group and the brightness adjustment of the tunnel exit lamp group;
the tunnel entrance lamp group controller is used for controlling the opening or closing of the tunnel entrance lamp group and the brightness adjustment of the tunnel entrance lamp group;
the tunnel middle section lamp group controller is used for controlling the opening or closing of the tunnel middle section lamp group and the brightness adjustment of the tunnel middle section lamp group;
the tunnel exit lamp group, the tunnel entrance lamp group and the tunnel middle section lamp group are respectively used for illuminating an exit, an entrance and a middle section in the tunnel;
the main control module is used for receiving real-time monitoring data of the tunnel outlet external illumination sensor group, the tunnel outlet internal illumination sensor group, the tunnel middle section illumination sensor group, the tunnel inlet internal illumination sensor group and the tunnel inlet external illumination sensor group, analyzing and processing the data, and outputting a control signal to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller so as to control the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group;
the brightness adjusting mode of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle lamp group in the master control module is determined by a gradual change rule algorithm, and the specific calculation formula is as follows:
(1) when L is more than or equal to 1600m,
(2) when L is more than or equal to 300m and less than 1600m,
①
②
wherein, L is the total length of the tunnel;
n is the total number of tunnel lamp groups arranged at a distance in the tunnel exit or entrance;
n is the nth tunnel lamp group arranged at a distance in the tunnel exit or entrance;
E0the highest value of the illumination intensity monitored for the environment outside the tunnel exit or entrance;
EN+1the minimum value of the illumination intensity monitored for a distance in the tunnel exit or entrance;
Enthe illumination intensity value of the nth tunnel lamp group is set for a distance in the tunnel exit or entrance;
n, N, E in the formula0、EN+1、EnSimultaneously, the relevant value of the tunnel exit or the relevant value of the tunnel entrance is taken;
the current suitable illumination intensity value of the tunnel middle section lamp group is determined by the arithmetic mean value of the tunnel middle section illumination intensity mean value, the lowest value of the distance illumination intensity in the tunnel entrance and the lowest value of the distance illumination intensity in the tunnel exit.
2. The intelligent lighting system for expressway tunnels according to claim 1, wherein the tunnel entrance lamp group controller is provided in plurality and controls a plurality of tunnel entrance lamp groups in a one-to-one correspondence.
3. The intelligent lighting system for expressway tunnels according to claim 1, wherein the tunnel exit light group controller is provided in plurality to control a plurality of tunnel exit light groups in a one-to-one correspondence.
4. The intelligent lighting system for expressway tunnels according to claim 1, wherein the tunnel mid-section light group controller is provided with at least one light group controller for controlling a plurality of tunnel mid-section light groups.
5. A control method applied to the intelligent lighting system of the highway tunnel in any one of claims 1 to 4, comprising the following steps:
s101, respectively monitoring the environment outside the tunnel outlet, a distance inside the tunnel outlet, the middle part inside the tunnel, a distance inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet by using the illumination sensor group outside the tunnel outlet, the illumination sensor group inside the tunnel outlet, the illumination sensor group in the middle section of the tunnel, the illumination sensor group inside the tunnel inlet and the illumination value and the change of the environment outside the tunnel inlet, and simultaneously transmitting the real-time monitoring data to a master control module;
s102, the total control module comprehensively analyzes the received illumination intensity and change data of the illumination intensity at a distance from the outer environment of the tunnel outlet to the inner part of the tunnel outlet and calculates and distributes the illumination intensity according to a gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the inner part of the tunnel outlet; meanwhile, the received data of the illumination intensity and the change of the illumination intensity at a distance from the environment outside the tunnel entrance and the tunnel entrance are comprehensively analyzed and calculated and distributed according to a gradual change rule, and the illumination intensity is output as the current required illumination intensity value of each lamp group at a distance from the tunnel entrance; meanwhile, comprehensively analyzing and calculating the received tunnel middle section illumination intensity value and the tunnel entrance and exit illumination intensity value, and outputting the illumination intensity value as the current appropriate illumination intensity value of the tunnel middle section lamp group;
s103, the master control module respectively outputs control signals of a section of currently required illumination intensity value of each lamp group in the tunnel outlet, a section of currently required illumination intensity value of each lamp group in the tunnel inlet and a currently suitable illumination intensity value of the lamp group in the middle tunnel section to the tunnel outlet lamp group controller, the tunnel inlet lamp group controller and the tunnel middle section lamp group controller after comprehensive analysis and calculation, and then intelligently controls the opening or closing and brightness adjustment of the tunnel outlet lamp group, the tunnel inlet lamp group and the tunnel middle section lamp group according to the different illumination of the inside and the outside of the tunnel;
and S104, because the illumination intensity of each part inside and outside the tunnel continuously changes along with the time, the steps are circularly carried out until the whole system is closed.
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| CN111148311A (en) * | 2019-12-31 | 2020-05-12 | 南京城建隧桥经营管理有限责任公司 | Tunnel illumination ventilation structure and management and control system thereof |
| CN112040598B (en) * | 2020-09-09 | 2021-11-12 | 四川九通智路科技有限公司 | Tunnel illumination energy-saving control method |
| CN113747637A (en) * | 2021-08-03 | 2021-12-03 | 安徽长龙电气集团有限公司 | Night illumination optimization method for long tunnel entrance section of expressway |
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