Intelligent campus informatization display device
By using induction modules and magnetic attachment structures in the smart campus information display device, the LED array and voice modules are intelligently controlled, which solves the complex problems of power waste and information replacement of backlight systems in the existing technology, and realizes the intelligence, interaction and efficiency improvement of energy conservation and environmental protection and information display.
Patent Information
- Application Number
- CN202421382072.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The backlight system of the existing smart publicity column cannot be automatically adjusted or turned off, resulting in unnecessary power consumption, and the information content replacement process is complicated and difficult to replace quickly.
A smart campus information display device was designed, using induction modules to detect whether someone was approaching, intelligently control the opening and closing of the LED array, brightness and speech module explanation and broadcast, and simplify the replacement of publicity canvas through magnetic attachment structure.
It realizes energy conservation and environmental protection, avoids the power waste of traditional backlight systems, and improves the intelligence, interactivity and efficiency of information display through intelligent control and rapid replacement of information content.
Smart Images

Figure CN222762634U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of information display devices, in particular to a smart campus information display device. Background Art
[0002] With the rapid development of science and technology, the concept of smart campus has gradually gained popularity, representing a new campus work, study and living environment. The core of smart campus is to build an intelligent, efficient and green learning and working place. In such an environment, various resources and services on campus are highly integrated, including teaching, scientific research, administrative management and daily life facilities, forming a seamless smart ecosystem.
[0003] An important component of smart campus is the smart bulletin board, which is a key platform for campus information release and cultural communication. However, in the existing technology, the design and operation of smart bulletin boards still face some challenges, which limit their functions and efficiency, which are specifically reflected in the following aspects:
[0004] 1. Traditional smart billboards are usually equipped with a backlight system to enhance the display effect in low light conditions. However, these backlight systems are often designed to be continuously turned on and cannot be automatically adjusted or turned off regardless of changes in the external environment, which leads to unnecessary power consumption;
[0005] 2. The process of replacing the information content of existing smart billboards is relatively complicated, and it is difficult to achieve rapid replacement according to actual publicity needs. Utility Model Content
[0006] Based on this, the purpose of the utility model is to provide a smart campus information display device to solve the existing problems.
[0007] To achieve the above purpose, the utility model provides the following technical solutions: a smart campus information display device, comprising:
[0008] The publicity column body includes a frame and a publicity frame arranged on the front side of the frame, wherein the publicity frame includes a bottom plate and a front frame arranged on the front side of the bottom plate, wherein the top of the front frame is pivotally connected to the top of the bottom plate, and the front frame and the bottom plate are detachably connected via a magnetic attraction structure;
[0009] The LED array is composed of a plurality of LED lamp beads, and the LED array is arranged on the inner side of the bottom plate and is used to brighten the promotional canvas.
[0010] The sensing module is arranged on the front side of the top of the frame through a bracket, and is used to sense whether there is a person in the front area of the frame opposite to it;
[0011] The interactive device is arranged on one side of the main body of the publicity column and includes a voice module;
[0012] The main control module has an input end electrically connected to the sensing module and an output end electrically connected to the voice module, and is used to control the voice module to make sounds and control the LED array to emit light when someone is present.
[0013] By adopting the above technical solution, the sensing module detects whether someone is approaching, thereby intelligently controlling the on / off and brightness of the LED array and the explanation and broadcasting of the voice module, avoiding the waste of electricity caused by the continuous opening of the traditional backlight system, and achieving the purpose of energy saving and environmental protection.
[0014] The utility model is further configured such that the main control module includes a processing unit, a storage unit and a power supply unit electrically connected to each other, the input end of the processing unit is electrically connected to the output end of the sensing module, and the output end thereof is electrically connected to the voice module, the storage unit is used to store audio data, and the power supply unit is used to supply power to each module.
[0015] By adopting the above technical solution, the processing unit receives the signal from the sensing module, makes intelligent judgments and responds immediately, such as controlling the brightness adjustment of the LED array or starting the voice module to play pre-stored audio, thus realizing the automation and intelligence of the device. The storage unit is responsible for saving all audio data, ensuring the accuracy of the information and its ready access. The power supply unit ensures that the device can continue to work stably even when external conditions change.
[0016] The utility model is further configured that the processing unit is electrically connected to the storage unit via a decoder.
[0017] By adopting the above technical solution, the decoder acts as an intermediate bridge, responsible for converting the digital audio files in the storage unit into a signal format that can be recognized and processed by the processing unit. This design ensures the accurate and distortion-free transmission of audio data from storage to playback, allowing the voice module to play pre-stored audio information with high quality. Whether it is a welcome message, a notification or a campus event announcement, it can be clearly and smoothly conveyed to the audience, greatly improving the efficiency of information transmission and user experience. In addition, the presence of the decoder also optimizes the system architecture, reduces the burden on the processing unit, and allows it to focus more on signal processing and logical operations, thereby improving the response speed and stability of the entire device.
[0018] The utility model is further configured that the main control module also includes a timing unit.
[0019] By adopting the above technical solution and adding the timing unit, the main control module can automatically time according to the sensing state of the sensing module, such as automatically timing after sensing that there is no one in the area and then turning off the LED array and voice module. It can also automatically perform specific tasks according to a preset schedule, such as automatically turning on or off the LED array within a specific time period, or playing pre-recorded audio information at a specific time, such as break reminders, emergency notifications, etc., further improving the intelligence level.
[0020] The utility model is further configured that the main control module is an STM32 circuit board.
[0021] By adopting the above technical solutions, the STM32 circuit board, as a high-performance microcontroller, can efficiently process data from the sensing module, accurately control the working status of the LED array and voice module, and support multiple communication protocols to facilitate interconnection with other systems or devices.
[0022] The utility model is further configured that the LED array is electrically connected to the main control module via a controller.
[0023] By adopting the above technical solution, the controller acts as a bridge between the LED array and the main control module, and can accurately adjust each LED lamp bead to achieve dynamics according to the instructions issued by the main control module. This design can not only ensure the best visual performance of the LED array under different lighting environments, but also intelligently adjust the brightness according to the flow of people information fed back by the sensing module to achieve the purpose of energy saving and consumption reduction. At the same time, the existence of the controller also simplifies the circuit design of the main control module, reduces its processing burden, and makes the operation of the entire system more stable and reliable, providing high-quality visual communication capabilities for the smart campus information display device, and enhancing the attractiveness and interactivity of the information display.
[0024] The utility model is further configured that the controller is an LED controller.
[0025] By adopting the above technical solutions, the LED controller is specially designed to accurately control the LED light source. It can finely adjust the parameters of the LED array brightness, color, flashing mode, etc. according to the instructions of the main control module. It can automatically adjust to the most suitable brightness, which not only ensures the clear visibility of information, but also avoids excessive energy consumption.
[0026] The utility model is further configured such that a plurality of strip-shaped installation grooves are provided on both sides of the bottom plate and are linearly arranged around the edge thereof and are distributed at equal intervals; a first magnetic portion is provided in the installation groove; and a plurality of second magnetic portions that can magnetically cooperate with the first magnetic portion are provided on the inner side of the front frame.
[0027] By adopting the above technical solution, the strip-shaped installation grooves set on both sides of the bottom plate are equipped with a first magnetic part, and correspondingly, the inner side of the front frame is equipped with a second magnetic part. The two are tightly connected by magnetic attraction to form a stable closed structure, which can ensure that the promotional canvas will not be displaced or fall off due to external factors such as wind during the display process. At the same time, the magnetic connection method allows users to easily open the front frame without tools and quickly change the promotional content, greatly improving maintenance efficiency. The equally spaced installation grooves ensure that the magnetic parts are evenly distributed, enhance the stability of the connection, ensure that the canvas is flat and wrinkle-free, and improve the professionalism and aesthetics of the display effect.
[0028] The utility model is further configured such that the second magnetic part is embedded in the front frame and its outer surface is flush with the surface of the front frame, and the outer surface of the first magnetic part is flush with the outer surface of the bottom plate.
[0029] By adopting the above technical solution, the second magnetic part is embedded in the front frame and its outer surface is ensured to be completely flush with the surface of the front frame. On the one hand, it avoids the possible damage caused by the protruding part and improves the safety of use; the flush treatment of the first magnetic part and the surface of the bottom plate not only helps to keep the bottom plate flat, facilitating the flat laying of the promotional canvas, but also effectively avoids the accumulation of dust and impurities, reducing the workload of cleaning and maintenance.
[0030] The utility model is further configured such that the inner surface of the front frame and the inner side thereof are covered with a first flexible pad layer, and the bottom plate is provided with a second flexible pad layer distributed along its edge and opposite to the first flexible pad layer. When the bottom plate is pressed and contacted with the front frame, the first flexible pad layer and the second flexible pad layer are squeezed and deformed against each other to fix the canvas.
[0031] By adopting the above technical solution, the first flexible pad layer is covered on the inner surface of the front frame, and the second flexible pad layer is distributed along the edge of the bottom plate. The clever combination of the two can achieve stable fixation of the canvas when the bottom plate and the front frame are pressed and contacted. Compared with the traditional fixing method of nails or clips, this method of clamping the canvas by squeezing and deforming the flexible pad layers can avoid permanent damage to the canvas and protect the integrity and aesthetics of the canvas during long-term use. Secondly, this fixing method is simple and quick to operate, which greatly improves work efficiency and convenience; in addition, because the material of the flexible pad layer usually has a certain elasticity and buffering effect, it can adapt to canvases of different thicknesses, whether it is thin or thick materials, a good fixing effect can be obtained, which enhances the versatility and flexibility of the device.
[0032] In summary, the utility model mainly has the following beneficial effects:
[0033] The utility model detects whether someone is approaching through the sensing module, thereby intelligently controlling the on / off and brightness of the LED array and the explanation and broadcasting of the voice module, avoiding the power waste caused by the continuous opening of the traditional backlight system, and achieving the purpose of energy saving and environmental protection.
[0034] In addition, the replacement of promotional canvases is simplified by the magnetic attraction structure, so that the information content can be quickly replaced to meet the promotional needs in different occasions on campus.
[0035] In addition, the addition of interactive devices, such as voice modules, makes the billboard not limited to static display, but can also provide intelligent voice explanations, which increases the fun and participation of information dissemination.
[0036] In particular, the magnetic attraction structure and flexible cushion design between the bottom plate and the front frame not only ensure the firm fixation of the canvas, but also enhance the aesthetics and practicality of the device.
[0037] In summary, the smart campus information display device of the present invention greatly improves the intelligence, interactivity and energy saving of campus information display, and provides strong support for building a smart campus. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0039] Figure 2 It is a partial structural schematic diagram of the publicity frame in the utility model;
[0040] Figure 3 This is one of the connection principle block diagrams of the utility model;
[0041] Figure 4 This is the second connection principle block diagram of the utility model;
[0042] Figure 5 It is a partial cross-sectional structural schematic diagram of the publicity frame in the utility model;
[0043] Figure 6 It is a partial cross-sectional structural schematic diagram highlighting the connection of the promotional frame in the present invention.
[0044] In the figure: 10, the main body of the publicity column; 11, the frame; 12, the publicity frame; 121, the bottom plate; 122, the front frame; 123, the mounting slot; 124, the first magnetic part; 125, the second magnetic part; 126, the first flexible cushion layer; 127, the second flexible cushion layer; 20, the LED array; 21, the controller; 30, the sensing module; 40, the interactive device; 41, the voice module; 50, the main control module; 51, the processing unit; 52, the storage unit; 53, the timing unit; 54, the power supply unit. DETAILED DESCRIPTION
[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0046] The following describes an embodiment of the utility model based on its overall structure.
[0047] Smart campus information display device, such as Figure 1-6 As shown, including:
[0048] The publicity column body 10 includes a frame 11 and a publicity frame 12 disposed on the front side of the frame 11. The publicity frame 12 includes a bottom plate 121 and a front frame 122 disposed on the front side of the bottom plate 121 and in a square shape. The top of the front frame 122 is pivotally connected to the top of the bottom plate 121, and the front frame 122 and the bottom plate 121 are detachably connected via a magnetic attraction structure.
[0049] The LED array 20 is composed of a plurality of LED lamp beads. The LED array 20 is arranged on the inner side of the bottom plate 121 to brighten the promotional canvas. In this embodiment, the LED lamp beads of the LED array 20 are evenly laid on the inner side of the bottom plate 121 to form a uniform backlight effect.
[0050] The sensing module 30 is disposed on the front side of the top of the frame 11 through a bracket (not shown in the figure) and is used to sense whether there is a person in the front area of the frame 11 opposite thereto;
[0051] The interactive device 40 is disposed on one side of the bulletin board body 10 and includes a voice module 41;
[0052] The main control module 50 has an input end electrically connected to the sensing module 30 and an output end electrically connected to the voice module 41 , and is used to control the voice module 41 to make sounds and control the LED array 20 to emit light when someone is present.
[0053] Specifically, in this embodiment, the sensing module 30 is a microwave sensor, which is fixed to the top front side of the frame 11 by a curved bracket, and generates a cone-shaped sensing area relatively on the ground. The circumferential radius of the sensing bottom surface is 1.5m. When someone enters or leaves, the microwave sensor is triggered to send a corresponding electrical signal to the input end of the main control module 50.
[0054] Preferably, the main control module 50 includes a processing unit 51, a storage unit 52 and a power supply unit 54 which are electrically connected to each other. The input end of the processing unit 51 is electrically connected to the output end of the sensing module 30, and its output end is electrically connected to the voice module 41. The storage unit 52 is used to store audio data. The power supply unit 54 is a lithium battery module used to power each module. The processing unit 51 receives the signal from the sensing module 30, makes intelligent judgments and responds immediately, such as controlling the brightness adjustment of the LED array 20 or starting the voice module 41 to play pre-stored audio, thereby realizing the automation and intelligence of the device. The storage unit 52 is responsible for storing all audio data, ensuring that the information is accurate and can be called at any time. The power supply unit 54 ensures that the device can continue to work stably even when external conditions change.
[0055] Preferably, the processing unit 51 is electrically connected to the storage unit 52 via a decoder (not shown in the figure). The decoder serves as an intermediate bridge and is responsible for converting the digital audio files in the storage unit 52 into a signal format that can be recognized and processed by the processing unit 51. This design ensures accurate and distortion-free transmission of audio data from storage to playback, so that the voice module 41 can play pre-stored audio information with high quality, whether it is a welcome message, a notification or a campus event announcement, it can be clearly and smoothly conveyed to the audience, greatly improving the efficiency of information transmission and user experience. In addition, the presence of the decoder also optimizes the system architecture, reduces the burden on the processing unit 51, and allows it to focus more on signal processing and logical operations, thereby improving the response speed and stability of the entire device.
[0056] Preferably, the main control module 50 further includes a timing unit 53. The addition of the timing unit 53 enables the main control module 50 to automatically time according to the sensing state of the sensing module 30, such as automatically timing a period of time after sensing that no one is in the area and then turning off the LED array 20 and the voice module 41. It can also automatically perform specific tasks according to a preset schedule, such as automatically turning on or off the LED array 20 within a specific time period, or playing pre-recorded audio information at a specific time, such as break reminders, emergency notifications, etc., to further improve the intelligence level.
[0057] Preferably, the main control module 50 is an STM32 circuit board. As a high-performance microcontroller 21, the STM32 circuit board can efficiently process data from the sensing module 30, accurately control the working status of the LED array 20 and the voice module 41, and support multiple communication protocols to facilitate interconnection with other systems or devices.
[0058] Preferably, the LED array 20 is electrically connected to the main control module 50 via the controller 21. The controller 21 serves as a bridge between the LED array 20 and the main control module 50, and can accurately adjust each LED lamp bead to achieve dynamics according to the instructions issued by the main control module 50. This design can not only ensure the best visual performance of the LED array 20 in different lighting environments, but also intelligently adjust the brightness according to the flow of people information fed back by the sensing module 30, so as to achieve the purpose of energy saving and consumption reduction. At the same time, the existence of the controller 21 also simplifies the circuit design of the main control module 50, reduces its processing burden, and makes the operation of the entire system more stable and reliable, providing high-quality visual communication capabilities for the smart campus information display device, and enhancing the attractiveness and interactivity of the information display.
[0059] Preferably, the controller 21 is an LED controller 21, which is specially designed to accurately control the LED light source, and can finely adjust the brightness, color, flashing mode and other parameters of the LED array 20 according to the instructions of the main control module 50. It can automatically adjust to the most suitable brightness, which not only ensures the clear visibility of information, but also avoids excessive consumption of energy.
[0060] Preferably, the bottom plate 121 is provided with a plurality of strip-shaped installation grooves 123 which surround the edge of the bottom plate 121 and are evenly spaced. The installation grooves 123 are provided with a first magnetic part 124. The inner side of the front frame 122 is provided with a plurality of second magnetic parts 125 which can be magnetically matched with the first magnetic part 124. The strip-shaped installation grooves 123 provided on the bottom plate 121 are provided with a first magnetic part 124. Correspondingly, the inner side of the front frame 122 is provided with a second magnetic part 125. The two are tightly connected by magnetic attraction to form a stable closed structure, which can ensure that the promotional canvas will not be displaced or fall off due to external factors such as wind during the display process. At the same time, the magnetic connection method allows the user to easily open the front frame 122 without tools, quickly change the promotional content, and greatly improve the maintenance efficiency. The equally spaced installation grooves 123 ensure the uniform distribution of the magnetic parts, enhance the stability of the connection, ensure that the canvas is flat and wrinkle-free, and improve the professionalism and aesthetics of the display effect.
[0061] Preferably, the second magnetic part 125 is embedded in the front frame 122 and its outer surface is flush with the surface of the front frame 122, and the outer surface of the first magnetic part 124 is flush with the outer surface of the bottom plate 121. The second magnetic part 125 is embedded in the front frame 122 and its outer surface is ensured to be completely flush with the surface of the front frame 122. This avoids possible damage from bumps and collisions caused by the protruding parts, thereby improving safety of use. The flush treatment of the first magnetic part 124 and the surface of the bottom plate 121 not only helps to keep the bottom plate 121 flat and facilitates the smooth laying of the promotional canvas, but also effectively avoids the accumulation of dust and impurities, reducing the workload of cleaning and maintenance.
[0062] In this embodiment, the first magnetic portion 124 and the second magnetic portion 125 are strong magnets such as neodymium magnets.
[0063] Preferably, the inner surface of the front frame 122 and the inner side thereof are covered with a first flexible pad layer 126, and the bottom plate 121 is provided with a second flexible pad layer 127 distributed along its edge and opposite to the first flexible pad layer 126. When the bottom plate 121 and the front frame 122 are pressed together, the first flexible pad layer 126 and the second flexible pad layer 127 are mutually squeezed and deformed to fix the canvas. In this embodiment, the first flexible pad layer 126 and the second flexible pad layer 127 are both silicone pads, the first flexible pad layer 126 is covered on the inner surface of the front frame 122, and the second flexible pad layer 127 is distributed along the edge of the bottom plate 121. The ingenious combination of the two can achieve stable fixation of the canvas when the bottom plate 121 and the front frame 122 are pressed together. Compared with the traditional fixing method of nails or clips, this method of clamping the canvas by squeezing and deforming the flexible pad layers can avoid permanent damage to the canvas and protect the integrity and aesthetics of the canvas during long-term use. Secondly, this fixing method is simple and quick to operate, which greatly improves work efficiency and convenience; in addition, since the material of the flexible cushion layer usually has a certain elasticity and cushioning effect, it can adapt to canvases of different thicknesses, and can achieve good fixing effects regardless of whether it is thin or thick material, thereby enhancing the versatility and flexibility of the device.
[0064] In summary, the utility model mainly has the following beneficial effects:
[0065] The utility model detects whether someone is approaching through the sensing module 30, thereby intelligently controlling the on / off and brightness of the LED array 20 and the explanation and broadcasting of the voice module 41, avoiding the power waste caused by the continuous opening of the traditional backlight system, and achieving the purpose of energy saving and environmental protection.
[0066] In addition, the replacement of promotional canvases is simplified by the magnetic attraction structure, so that the information content can be quickly replaced to meet the promotional needs in different occasions on campus.
[0067] In addition, the addition of interactive devices 40, such as voice modules 41, makes the publicity column not only limited to static display, but also capable of intelligent voice explanation, thus increasing the interest and participation of information dissemination.
[0068] In particular, the magnetic attraction structure and the flexible cushion layer design between the bottom plate 121 and the front frame 122 not only ensure the firm fixation of the canvas, but also enhance the aesthetics and practicality of the device.
[0069] In summary, the smart campus information display device of the present invention greatly improves the intelligence, interactivity and energy saving of campus information display, and provides strong support for building a smart campus.
[0070] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. Smart campus information display device, characterized by: include: A propaganda column body (10) comprises a frame (11) and a propaganda frame (12) arranged on the front side of the frame (11), wherein the propaganda frame (12) comprises a bottom plate (121) and a front frame (122) arranged on the front side of the bottom plate (121), wherein the top of the front frame (122) is pivotally connected to the top of the bottom plate (121), and the front frame (122) and the bottom plate (121) are detachably connected via a magnetic attraction structure; An LED array (20) is composed of a plurality of LED lamp beads, and the LED array (20) is arranged on the inner side of the bottom plate (121) and is used to brighten the promotional canvas; A sensing module (30) is arranged on the front side of the top of the frame (11) through a bracket, and is used to sense whether there is a person in the front area of the frame (11) opposite thereto; An interactive device (40) is arranged on one side of the bulletin board body (10) and includes a voice module (41); The main control module (50) has an input end electrically connected to the sensing module (30) and an output end electrically connected to the voice module (41), and is used to control the voice module (41) to make sounds and control the LED array (20) to emit light when someone is present.
2. The smart campus information display device according to claim 1 is characterized in that: The main control module (50) comprises a processing unit (51), a storage unit (52) and a power supply unit (54) which are electrically connected to each other, the input end of the processing unit (51) is electrically connected to the output end of the sensing module (30), and the output end thereof is electrically connected to the voice module (41), the storage unit (52) is used to store audio data, and the power supply unit (54) is used to supply power to each module.
3. The smart campus information display device according to claim 2 is characterized in that: The processing unit (51) is electrically connected to the storage unit (52) via a decoder.
4. The smart campus information display device according to claim 2 is characterized in that: The main control module (50) also includes a timing unit (53).
5. The smart campus information display device according to claim 2 is characterized in that: The main control module (50) is an STM32 circuit board.
6. The smart campus information display device according to claim 1 is characterized in that: The LED array (20) is electrically connected to a main control module (50) via a controller (21).
7. The smart campus information display device according to claim 6 is characterized in that: The controller (21) is an LED controller (21).
8. The smart campus information display device according to claim 1 is characterized in that: The bottom plate (121) is provided with a plurality of strip-shaped installation grooves (123) which are linearly arranged around its edge and are distributed at equal intervals on both sides, a first magnetic portion (124) is provided in the installation groove (123), and a plurality of second magnetic portions (125) which can magnetically cooperate with the first magnetic portion (124) are provided on the inner side of the front frame (122).
9. The smart campus information display device according to claim 8, characterized in that: The second magnetic part (125) is embedded in the front frame (122) and its outer surface is flush with the surface of the front frame (122); the outer surface of the first magnetic part (124) is flush with the outer surface of the bottom plate (121).
10. The smart campus information display device according to claim 8, characterized in that: The inner surface of the front frame (122) and the inner side thereof are covered with a first flexible pad layer (126); the bottom plate (121) is provided with a second flexible pad layer (127) distributed along its edge and opposite to the first flexible pad layer (126); when the bottom plate (121) and the front frame (122) are pressed and contacted, the first flexible pad layer (126) and the second flexible pad layer (127) are mutually squeezed and deformed to fix the canvas.