A kind of LED display screen module splicing control system

Abstract

The present invention displays railway information by splicing multiple LED display screens to display the railway operation status, vehicle information, weather conditions, etc., which facilitates the dispatch of railway operations and prevents the occurrence of emergencies. The present invention classifies LED display screens according to brightness and environmental adaptability, and selects different types of LED display screens for combination according to the detected environmental information of different railway sections, thereby preventing the waste of outdoor display screens that are too expensive.

Description

Technical Field

[0001] The invention relates to the field of LED display, and in particular to a LED display screen module splicing control system. Background Art

[0002] LED display screen is the main display screen product currently available. Compared with other large-screen terminal displays, LED display screen has the following main features: high brightness: the brightness of outdoor LED display screen is greater than 8000mcd / m2, and it is currently the only large-scale display terminal that can be used outdoors all day long; the brightness of indoor LED display screen is greater than 2000md / m2; long life: the life of LED is more than 100,000 hours (ten years); large viewing angle: the indoor viewing angle can be greater than 160 degrees, and the outdoor viewing angle can be greater than 120 degrees. The size of the viewing angle depends on the shape of the LED light-emitting diode; the screen area can be large or small, from less than one square meter to hundreds or thousands of square meters; and due to the above advantages, LED display screens have become an important choice for outdoor large-screen displays; and when railway transportation or passenger trains are deployed; using LED screens to display and obtain dispatching information is an important dispatching display method; the invention patent with publication number CN114872764A discloses a turnout intelligent early warning system that uses intelligent detection technology to monitor the status of turnout equipment in real time; using LED turnout display large screens to display the corresponding routes opened by railway turnouts, and performing railway turnout intelligent early warning by converting different colors and different information on the LED screen; the utility model patent with publication number CN213815501U discloses a warning device for railway section capacitor equipment; using the changes in the static display of the LED screen dynamic display box to avoid the safety hazards of missed capacitor equipment and testers; but the LED display screens in existing railways cannot be spliced ​​and combined according to the different needs of specific railway information and warning information; resulting in waste of LED display screen energy and cost in the display.

[0003] 1. Technical issues to be solved

[0004] In order to solve the above technical problems, the present invention provides a LED display module splicing control system

[0005] (II) Technical solution

[0006] An LED display screen module splicing control system; including a display screen grading system, a data storage system, a display screen support system, an environment detection system, a signal transmission system, a signal conversion system, an emergency warning system, a weather forecast system, and a display screen protection system.

[0007] Furthermore, the display grading system grades the display screen from the brightness level and environmental tolerance level; 2000-3000cd / m2 The display screen with display brightness is defined as Class I, with a brightness of 3000-4000cd / m 2 The display screen with display brightness between 4000-5000cd / m 2 The display screen with display brightness between 5000-6000cd / m 2 The definition of display brightness is level IV; LED displays are graded according to the environmental tolerance level and are divided into four levels: A, B, C, and D.

[0008] Furthermore, the display screen support system supports the display screen; the display screen support system includes two symmetrically supported corresponding display screen support blocks I and II; the interiors of the display screen support blocks I and II are both provided with slideways; multiple LED display screens are arranged in the slideways; the slideways are provided with locking devices and unlocking devices for the LED display screens; multiple LED display screens can be locked and unlocked in the slideways and can slide in the slideways; so as to facilitate the replacement of the LED display screens.

[0009] Furthermore, the data storage system stores the classification information of the plurality of LED display screens in the system; and corresponds the different levels of LED display screens to different railway sections through historical information.

[0010] Furthermore; the outdoor environment of different railway sections is detected by the environmental detection system; the detection items include the annual average rainfall weather, annual average windy weather, annual average sunshine weather, average rainfall intensity, average wind intensity, and average sunshine intensity of the railway section; and the above data are transmitted to the data storage system; the railway sections are classified according to the environmental information of different railway sections; the values ​​of average rainfall weather and average rainfall intensity are set to Σ; the values ​​of average windy weather and average wind intensity are set to K; the values ​​of annual average sunshine weather and average sunshine intensity are set to Β; the railway environmental coefficient T is set to (Σ+K) / Β; the railway environmental coefficient T is corresponded to different categories of LED display screens.

[0011] The standard value of the railway environmental coefficient T is set to ξ; when it is detected that the environmental coefficient of the railway section fluctuates by 20% above or below ξ, LED display screens with display brightness levels of II-III and environmental tolerance levels of BC are selected and spliced ​​in the display screen support system to form a spliced ​​display screen system.

[0012] Further, when it is detected that the environmental coefficient of the railway section is less than 80 percent of ξ, the display brightness is selected to be level II; the LED display screen with an environmental tolerance level of level B is spliced ​​in the display screen support system to form a spliced ​​display screen system.

[0013] Further, when it is detected that the environmental coefficient of the railway section is less than 60 percent of ξ, the display brightness is selected to be level Ⅰ; the LED display screen with environmental tolerance level of level A is spliced ​​in the display screen support system to form a spliced ​​display screen system.

[0014] Furthermore, when it is detected that the environmental coefficient of the railway section is greater than 1.5 times of ξ, the display brightness is selected to be level IV; the LED display screen with an environmental tolerance level of level D is spliced ​​in the display screen support system to form a spliced ​​display screen system.

[0015] Furthermore, the recent weather conditions of the relevant railway sections are predicted through the weather forecast system; when it is predicted that the weather will continue to be sunny and the visibility is high; the LED display screen with a lower brightness level can be appropriately adjusted based on the level of the LED display screen corresponding to the selected railway section; when it is predicted that the weather will continue to be bad and the visibility is poor, the LED display screen with a higher brightness level can be appropriately adjusted based on the level of the LED display screen corresponding to the selected railway section.

[0016] Furthermore, for the brightness of LED display screens of the same level, the brightness of the LED screen can be adjusted within the brightness range through the signal transmission system and the signal conversion system; and the dynamic and static display states of the LED screen can be adjusted.

[0017] Furthermore, the emergency warning system is used to detect emergency situations in the railway section; when a possible emergency situation is detected, the LED display screen is adjusted to the maximum brightness within its brightness range through the signal transmission system and the signal conversion system for warning; and at night when there is no emergency situation and there are fewer railway vehicles, the LED display screen can be converted into a static display state through the signal conversion system.

[0018] (3) Beneficial effects;

[0019] The present invention displays railway information by splicing multiple LED display screens to display the railway operation status, vehicle information, weather conditions, etc., which facilitates the dispatch of railway operations and prevents the occurrence of emergencies. The present invention classifies LED display screens according to brightness and environmental adaptability, and selects different types of LED display screens for combination according to the detected environmental information of different railway sections, thereby preventing the waste of outdoor display screens that are too expensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Attached Figure 1 Schematic diagram of the display support system.

[0021] 1- Display screen support system, LED display screen, 3- Slideway. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] An LED display screen module splicing control system; including a display screen grading system, a data storage system, a display screen support system 1, an environmental detection system, a signal transmission system, a signal conversion system, an emergency warning system, a weather forecast system, and a display screen protection system; the display screen grading system grades the LED display screen 2 according to the brightness level and the environmental tolerance level; 2000-3000cd / m 2 The display screen with display brightness is defined as Class I, with a brightness of 3000-4000cd / m 2 The display screen with display brightness between 4000-5000cd / m 2 The display screen with display brightness between 5000-6000cd / m 2The definition of display brightness is level IV; LED display screens are graded according to environmental tolerance levels and are divided into four levels: A, B, C, and D; the display screen support system 1 supports the display screen 2; the display screen support system includes two symmetrically supported corresponding display screen support blocks I and II; the interiors of the display screen support blocks I and II are both provided with slideways 3; multiple LED display screens 2 are arranged in the slideway 3; the slideway is provided with a locking device and an unlocking device for the LED display screen 2; multiple LED display screens 2 can be locked and unlocked in the slideway and can slide in the slideway; to facilitate the replacement of the LED display screen 2; the data storage system stores the grading information of multiple LED display screens in the system; and corresponds different levels of LED display screens to different railway sections through historical information; the outdoor environment of different railway sections is detected through the environmental detection system; the detection items include the annual average rainfall weather, annual average windy weather, annual average sunshine weather, average rainfall intensity, average wind intensity, and average sunshine intensity of the railway section; and the above data are transmitted to the data storage system; according to different railway The railway sections are classified according to the environmental information of the sections; the values ​​of average rainfall weather and average rainfall intensity are set to Σ; the values ​​of average windy weather and average wind intensity are set to K; the values ​​of annual average sunshine weather and average sunshine intensity are set to Β; the railway environmental coefficient T is set to (Σ+K) / Β; the railway environmental coefficient T and different types of LED display screens are set to correspond to the standard value of the railway environmental coefficient T to ξ; when it is detected that the environmental coefficient of the railway section fluctuates by 20% above or below ξ, the LED display screens with display brightness of Ⅱ-Ⅲ level and environmental tolerance level of BC level are selected to be spliced ​​in the display screen support system to form a spliced ​​display screen system; when it is detected that the environmental coefficient of the railway section is less than 80% of ξ, the display brightness is selected to be Ⅱ level; the LED display screens with environmental tolerance level of B level are spliced ​​in the display screen support system to form a spliced ​​display screen system; when it is detected that the environmental coefficient of the railway section is less than 60% of ξ, the display brightness is selected to be Ⅰ level; the LED display screens with environmental tolerance level of A level are spliced ​​in the display screen support system to form a spliced ​​display screen system; when it is detected that the environmental coefficient of the railway section is greater than 1.5 times, select the display brightness of level IV; the LED display screen with environmental tolerance level of level D is spliced ​​in the display screen support system to form a spliced ​​display screen system; predict the recent weather conditions of the relevant railway section through the weather forecast system; when it is predicted that the weather will continue to be sunny and the visibility is high; based on the corresponding LED display screen level of the selected railway section, the LED display screen with a lower brightness level can be appropriately adjusted; when it is predicted that the weather will continue to be bad and the visibility is poor, based on the corresponding LED display screen level of the selected railway section, the LED display screen with a higher brightness level can be appropriately adjusted; for the brightness of LED display screens of the same level, the brightness of the LED screen can be adjusted within the brightness range through the signal transmission system and the signal conversion system; and the dynamic and static display states of the LED screen can be adjusted; the emergency warning system detects the emergency situation of the railway section; when a possible emergency situation is detected, the LED display screen is adjusted to the maximum brightness within its brightness range through the signal transmission system and the signal conversion system for warning; and at night when there is no emergency situation and there are fewer railway vehicles, the LED display screen can be converted to a static display state through the signal conversion system. .

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A control system for splicing LED display modules; including a display grading system, a data storage system, a display support system, an environmental detection system, a signal transmission system, a signal conversion system, an emergency warning system, a weather forecast system, and a display protection system; the display grading system grades the display according to the brightness level and environmental tolerance level; 2000-3000cd / m 2 The display screen with display brightness is defined as Class I, with a brightness of 3000-4000cd / m 2 The display screen with display brightness between 4000-5000cd / m 2 The display screen with display brightness between 5000-6000cd / m 2 The definition of display brightness is level IV; LED display screens are classified into four levels: A, B, C, and D according to the environmental tolerance level; The display screen support system supports the display screen; The display screen support system comprises two symmetrically supported corresponding display screen support blocks I and II; the display screen support blocks I and II are both provided with slideways; a plurality of LED display screens are arranged in the slideways; a locking device and an unlocking device of the LED display screens are arranged in the slideways; the plurality of LED display screens are locked and unlocked in the slideways and slide in the slideways; To facilitate the replacement of LED display screen; The data storage system stores the hierarchical information of multiple LED display screens in the system; And according to the historical information, different levels of LED display screens are matched to different railway sections; the outdoor environment of different railway sections is tested through the environmental detection system; the detection items include the annual average rainfall weather, annual average windy weather, annual average sunshine weather, average rainfall intensity, average wind intensity, and average sunshine intensity of the railway section; and the above data are transmitted to the data storage system; the railway sections are classified according to the environmental information of different railway sections; The values ​​of annual average rainfall weather and average rainfall intensity are set to Σ; the values ​​of annual average windy weather and average wind intensity are set to Κ; the values ​​of annual average sunshine weather and average sunshine intensity are set to Β; the railway environmental coefficient T is set to (Σ+Κ) / Β; the railway environmental coefficient T is corresponded to different types of LED display screens; the standard value of the railway environmental coefficient T is set to ξ; when it is detected that the environmental coefficient of the railway section fluctuates by 20% above or below ξ, the LED display screen with display brightness of level II-III and environmental tolerance level of level BC is selected and spliced ​​in the display screen support system to form a spliced ​​display screen system.

2. The LED display module splicing control system according to claim 1; characterized in that: When it is detected that the environmental coefficient of the railway section is less than 80 percent of ξ, the display brightness is selected as Level II; the LED display screens with environmental tolerance level of B are spliced ​​in the display screen support system to form a spliced ​​display screen system; when it is detected that the environmental coefficient of the railway section is less than 60 percent of ξ, the display brightness is selected as Level I; the LED display screens with environmental tolerance level of A are spliced ​​in the display screen support system to form a spliced ​​display screen system.

3. The LED display screen module splicing control system according to claim 2; characterized in that: When it is detected that the environmental coefficient of the railway section is greater than 1.5 times of ξ, the display brightness is selected to be level IV; the LED display screens with an environmental tolerance level of level D are spliced ​​in the display screen support system to form a spliced ​​display screen system.

4. The LED display screen module splicing control system according to claim 3; characterized in that: The weather forecast system is used to predict the recent weather conditions of the relevant railway sections. When it is predicted that the weather will continue to be sunny and the visibility is high, the LED display screen with a lower brightness level can be adjusted based on the level of the LED display screen corresponding to the selected railway section. When it is predicted that the weather will continue to be bad and the visibility is poor, the LED display screen with a higher brightness level can be adjusted based on the level of the LED display screen corresponding to the selected railway section.

5. The LED display screen module splicing control system according to claim 4; characterized in that: For the brightness of LED display screens of the same level, the brightness of the LED screen can be adjusted within the brightness range through the signal transmission system and the signal conversion system; and the dynamic and static display states of the LED screen can be adjusted.

6. The LED display module splicing control system according to claim 5; characterized in that: The emergency warning system is used to detect emergency situations in railway sections. When an emergency situation is detected, the LED display screen is adjusted to the maximum brightness within its brightness range through the signal transmission system and the signal conversion system for warning. At night when there are no emergency situations and there are fewer railway vehicles, the LED display screen can be converted into a static display state through the signal conversion system.

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