A multifunctional light control system for elevators

Abstract

The utility model discloses a kind of elevator multifunctional light control system, including microcontrol unit, APP control circuit, voice control circuit and switch control circuit, the APP control circuit is directly connected with the MCU pin of microcontrol unit by wireless communication module, the voice control circuit includes microphone module and signal amplification circuit, the microphone module is connected with the input end of microcontrol unit through signal amplification circuit, the input end of microcontrol unit is also connected with switch control circuit;The output end of the microcontrol unit is connected with PWM control circuit, at least two LED interfaces are connected on the PWM control circuit, and different color temperature LED lamp beads are assembled on each LED interface.The utility model realizes the multimodal control and multicolor temperature adjustment of elevator light.

Description

Technical Field

[0001] This utility model relates to the field of lighting control system technology, and in particular to a multi-functional lighting control system for elevators. Background Technology

[0002] With the increasing height and development of urban buildings, elevators have become an indispensable vertical transportation tool in people's daily lives. As a confined space where passengers briefly stop during transportation, the comfort of the elevator car, especially the lighting environment, directly affects passengers' psychological feelings and experience.

[0003] Currently, most elevator lighting systems on the market have relatively simple functions. Typically, they use fixed color temperature LED lights as the light source, providing only basic illumination without the ability to adjust the color temperature and brightness. This single lighting mode makes it difficult to adapt to the personalized needs of different scenarios, times, and passenger groups. For example, during the day, passengers may need higher color temperature light closer to natural light to stay awake; while at night, lower color temperature warm light creates a more relaxing and comfortable homecoming atmosphere. Furthermore, the system cannot intelligently adjust the light brightness to achieve energy savings in energy-saving mode or when no one is riding the elevator.

[0004] In terms of control methods, traditional elevator lighting mainly relies on simple physical switches or automatic switches linked to the elevator's operating system, lacking flexibility and intelligence. With the popularization of IoT and smart home technologies, users' demand for interactive control via smart terminals (such as mobile apps) or voice is growing. However, existing elevator lighting systems typically lack such modern, multimodal control interfaces, resulting in a poor human-computer interaction experience and failing to meet the development trends of modern smart buildings. Clearly, existing technologies need improvement and enhancement. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a multi-functional lighting control system for elevators to solve one or more problems existing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a multi-functional elevator lighting control system, comprising a microcontroller unit, an APP control circuit, a voice control circuit, and a switch control circuit. The APP control circuit is directly connected to the MCU pin of the microcontroller unit through a wireless communication module. The voice control circuit includes a microphone module and a signal amplification circuit. The microphone module is connected to the input terminal of the microcontroller unit through the signal amplification circuit. The input terminal of the microcontroller unit is also connected to a switch control circuit. The output terminal of the microcontroller is connected to a PWM control circuit, and the PWM control circuit is connected to at least two LED interfaces, each of which is equipped with LED beads of different color temperatures.

[0007] In one embodiment of the present invention, a boost constant current circuit is further included. The boost constant current circuit is connected to the power interface of the PWM control circuit and is used to provide the PWM control circuit with a stable voltage and a constant current.

[0008] In one embodiment of this utility model, a current sampling circuit and a voltage amplification circuit are also included. The output terminal of the PWM control circuit is connected to the MCU pin of the microcontroller unit in sequence through the current sampling circuit and the voltage amplification circuit to form a closed-loop control circuit.

[0009] In one embodiment of this utility model, the wireless communication module is one of a Bluetooth module, a WIFI module, or a Zigbee module. The APP control circuit receives the light control command sent by the mobile interruption through the wireless communication module and transmits the control command to the microcontroller unit.

[0010] In one embodiment of the present invention, the switch control circuit includes a physical button and a state detection circuit. The physical button is connected to the input terminal of the microcontroller unit via the state detection circuit. The state detection circuit is used to convert the mechanical action of the physical button into an electrical signal and transmit it to the microcontroller unit.

[0011] In one embodiment of the present invention, a human body sensing circuit is further included. The human body sensing circuit includes an infrared sensor and a signal filtering circuit. The infrared sensor is connected to the input terminal of the microcontroller unit via the signal filtering circuit, and is used to detect whether there is human activity in the elevator car and output a sensing signal.

[0012] In one embodiment of the present invention, a display circuit is further included. The display circuit is connected to the output terminal of the microcontroller unit and is used to display the color temperature parameters, brightness values, and control mode information of the current light in real time.

[0013] In one embodiment of the present invention, the system further includes a storage module connected to the microcontroller unit, which is used to store user-preset lighting scene preferences, voice command templates, or system operation logs via an APP.

[0014] As described above, the multi-functional elevator lighting control system of this utility model has the following beneficial effects: By integrating a microcontroller unit and a multi-channel interactive module, a lighting management solution with highly intelligent and user-friendly features is constructed. The system adopts a multi-modal control architecture, organically integrating a mobile terminal APP, voice recognition, and traditional physical switches, allowing passengers to flexibly choose the control method according to the actual scenario, significantly improving the convenience and inclusiveness of human-computer interaction. Based on the core computing power of the microcontroller unit, and in conjunction with the PWM control circuit, precise control of multiple groups of LED beads with different color temperatures is achieved, dynamically adapting to the lighting needs of different usage scenarios, ensuring basic lighting functions while creating a comfortable and pleasant cabin atmosphere. The instant communication link established through the wireless communication module ensures rapid response and reliable execution of each control command, while reserving technical interfaces for subsequent functional expansion. This system design, which integrates multiple control methods and supports personalized lighting configurations, effectively solves the problems of single control mode and lagging interaction in traditional elevator lighting control. While improving the intelligence level of the equipment, it also takes into account the user's usage habits and experience needs, possessing outstanding practical value and market application prospects. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the multi-functional lighting control system for elevators provided by this utility model.

[0017] Component designation explanation 1. MCU; 2. APP control circuit; 3. Voice control circuit; 4. Switch control circuit; 5. PWM control circuit; 6. LED interface; 7. Boost constant current circuit; 8. Current sampling circuit; 9. Voltage amplification circuit; 10. Power interface. Detailed Implementation

[0018] This utility model provides a multi-functional lighting control system for elevators. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following detailed description is provided with reference to the accompanying drawings and embodiments. In the description of this utility model, it should be understood that the terms "up," "down," "left," and "right," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description; they should not be construed as limitations on this utility model. Furthermore, the terms "installation," "connection," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] Please see Figure 1 This utility model provides a multi-functional elevator lighting control system, including a microcontroller unit, an APP control circuit 2, a voice control circuit 3, and a switch control circuit 4. The APP control circuit 2 is directly connected to the pin of the MCU1 of the microcontroller unit via a wireless communication module. The voice control circuit 3 includes a microphone module and a signal amplification circuit. The microphone module is connected to the input terminal of the microcontroller unit via the signal amplification circuit. The input terminal of the microcontroller unit is also connected to the switch control circuit 4. The output terminal of the microcontroller unit is connected to a PWM control circuit 5, which has at least two LED interfaces 6. Each LED interface 6 is equipped with LED beads of different color temperatures. Specifically, by integrating wireless communication and local control, the system greatly improves the convenience and flexibility of user interaction, meeting the personalized control needs of different user groups and scenarios. At the same time, the introduction of the voice control circuit 3 ensures the accuracy of voice command recognition through signal amplification, providing a natural and efficient new approach to human-computer interaction. Furthermore, by using a PWM control circuit 5 to drive multiple LED beads with different color temperatures, the system can achieve a wide range of stepless and smooth color temperature and brightness adjustment from cool white light to warm yellow light. This precisely creates a car lighting environment that adapts to different times and moods, effectively improving the comfort and experience of riding the elevator. Ultimately, this system not only enhances the modernization and intelligence of the elevator, but its flexible and adjustable lighting scheme also makes energy-saving operation possible, achieving a balance between functionality and economy.

[0020] Preferably, the wireless communication module is one of a Bluetooth module, a WIFI module, or a Zigbee module. The APP control circuit 2 receives the light control command sent by the mobile interruption through the wireless communication module and transmits the control command to the microcontroller unit. By using a Bluetooth module, a WIFI module, or a Zigbee module, the system can flexibly adapt to different network environments and user devices, further enhancing its practicality and compatibility. The introduction of the wireless communication module not only simplifies the system wiring design but also significantly reduces the complexity of installation and maintenance, providing users with a more convenient operating experience. The switch control circuit 4 includes a physical button and a status detection circuit. The physical button is connected to the input terminal of the microcontroller unit via the status detection circuit, which converts the mechanical action of the physical button into an electrical signal and transmits it to the microcontroller unit.

[0021] The system also includes a boost constant current circuit 7, which is connected to the power interface 10 of the PWM control circuit 5 to provide stable voltage and constant current to the PWM control circuit 5. The boost constant current circuit 7 employs a high-efficiency DC-DC converter chip, capable of boosting the input voltage to a range suitable for the operation of the PWM control circuit 5, while ensuring the stability of the output current through a built-in feedback mechanism. Specifically, the boost constant current circuit 7 also features overvoltage and overcurrent protection functions, capable of quickly cutting off the power output in abnormal situations, thereby ensuring the safe operation of the entire lighting control system. In practical applications, its compact layout and low heat generation characteristics also facilitate its installation and maintenance within the elevator car. The elevator multi-functional lighting control system supports multi-output configurations, providing stable power support for multiple PWM control circuits 5 according to actual needs, thus meeting the power supply requirements under complex lighting scenarios. During long-term operation, the boost constant current circuit 7 exhibits extremely high reliability and stability, significantly reducing the probability of system failures and providing strong support for the continuous and efficient operation of the elevator lighting control system.

[0022] It also includes a current sampling circuit 8 and a voltage amplification circuit 9. The output of the PWM control circuit 5 is connected to the MCU1 pin of the microcontroller unit via the current sampling circuit 8 and the voltage amplification circuit 9, forming a closed-loop control circuit. The current sampling circuit 8 can monitor the output current of the PWM control circuit 5 in real time and convert the collected current signal into a voltage signal, which is then transmitted to the voltage amplification circuit 9. The voltage amplification circuit 9 adjusts the gain of the received signal and inputs it to the microcontroller unit for processing, thereby achieving precise control of the output current. In addition, due to the use of high-precision sampling elements and low-noise amplifiers, the entire control circuit exhibits excellent anti-interference capabilities during operation, maintaining stable performance even in the electromagnetic interference environment generated by elevator operation.

[0023] The system also includes a human body sensing circuit, which comprises an infrared sensor and a signal filtering circuit. The infrared sensor is connected to the input of the microcontroller unit via the signal filtering circuit to detect human activity inside the elevator car and output a sensing signal. The microcontroller unit determines whether to adjust the lighting status based on the received sensing signal. When human activity is detected, the system automatically switches to a preset operating mode, thereby achieving intelligent lighting control. Furthermore, the signal filtering circuit effectively removes environmental noise interference, ensuring the accuracy and stability of the sensing signal. This design not only improves the system's response speed but also further optimizes the user experience, making elevator lighting control more aligned with actual usage needs.

[0024] It also includes a display circuit, which is connected to the output of the microcontroller unit and is used to display the current light's color temperature parameters, brightness value, and control mode information in real time. The display circuit uses a high-resolution digital tube or LCD screen, which can clearly present various parameters, allowing maintenance personnel to quickly grasp the system's operating status. Simultaneously, the display circuit has an automatic brightness adjustment function, which can adjust the screen brightness according to the ambient light intensity, ensuring information readability while effectively reducing energy consumption. Furthermore, the circuit also supports a fault code display function; when the system malfunctions, specific codes can be used to indicate the specific problem, facilitating rapid troubleshooting and repair.

[0025] The system also includes a storage module connected to the microcontroller unit. This storage module stores user-preset lighting scene preferences, voice command templates, and system operation logs via the app. The storage module uses high-capacity non-volatile memory to ensure data is not lost in the event of a power outage. It also features fast read / write capabilities, recording system operation status in real time and supporting data export for subsequent analysis and optimization. Furthermore, the storage module employs multiple encryption mechanisms to effectively protect user privacy and system security, preventing unauthorized access or tampering. To enhance user experience, the storage module can periodically and automatically clean up expired logs, freeing up storage space and ensuring long-term stable system operation.

[0026] In summary, this utility model's multi-functional elevator lighting control system integrates a microcontroller unit, an APP control circuit 2, a voice control circuit 3, and a switch control circuit 4, achieving diversified control methods for elevator lighting. The APP control circuit 2 interacts directly with the microcontroller unit via a wireless communication module, allowing users to flexibly control the lighting remotely or locally via a mobile terminal. The voice control circuit 3 collects voice commands through a microphone module, amplifies the signals, and transmits them to the microcontroller unit, providing a convenient contactless control method, especially suitable for scenarios where users have limited hands. The switch control circuit 4 retains the traditional manual control method, catering to different user operating habits. Simultaneously, the microcontroller unit connects to at least two LED interfaces 6 equipped with LED beads of different color temperatures via a PWM control circuit 5, enabling adjustment of the light color temperature according to actual needs, improving lighting comfort and environmental atmosphere within the elevator. The combination of multiple control methods ensures both flexibility and convenience, while the multi-color temperature adjustment function enhances the adaptability of elevator lighting, comprehensively improving the intelligence level of elevator lighting control and user experience. Therefore, this utility model effectively overcomes the various shortcomings of existing technologies and possesses high industrial application value.

[0027] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A multi-functional lighting control system for elevators, characterized in that, It includes a microcontroller unit, an APP control circuit (2), a voice control circuit (3) and a switch control circuit (4). The APP control circuit (2) is directly connected to the pin of the MCU (1) of the microcontroller unit through a wireless communication module. The voice control circuit (3) includes a microphone module and a signal amplification circuit. The microphone module is connected to the input terminal of the microcontroller unit through the signal amplification circuit. The input terminal of the microcontroller unit is also connected to the switch control circuit (4). The output terminal of the microcontroller is connected to a PWM control circuit (5), and the PWM control circuit (5) is connected to at least two LED interfaces (6), and each LED interface (6) is equipped with LED beads of different color temperatures. It also includes a boost constant current circuit (7), which is connected to the power interface (10) of the PWM control circuit (5) to provide stable voltage and constant current to the PWM control circuit (5).

2. The elevator multi-functional lighting control system according to claim 1, characterized in that, It also includes a current sampling circuit (8) and a voltage amplification circuit (9). The output of the PWM control circuit (5) is connected to the pin of the microcontroller unit MCU (1) in sequence through the current sampling circuit (8) and the voltage amplification circuit (9) to form a closed-loop control circuit.

3. The elevator multi-functional lighting control system according to claim 1, characterized in that, The wireless communication module is one of Bluetooth, WIFI or Zigbee. The APP control circuit (2) receives the light control command sent by the mobile interrupt through the wireless communication module and transmits the control command to the micro control unit.

4. The elevator multi-functional lighting control system according to claim 1, characterized in that, The switch control circuit (4) includes a physical button and a status detection circuit. The physical button is connected to the input terminal of the microcontroller unit via the status detection circuit. The status detection circuit is used to convert the mechanical action of the physical button into an electrical signal and transmit it to the microcontroller unit.

5. The elevator multi-functional lighting control system according to claim 1, characterized in that, It also includes a human body sensing circuit, which includes an infrared sensor and a signal filtering circuit. The infrared sensor is connected to the input terminal of the microcontroller unit via the signal filtering circuit to detect whether there is human activity in the elevator car and output a sensing signal.

6. The elevator multi-functional lighting control system according to claim 1, characterized in that, It also includes a display circuit, which is connected to the output of the microcontroller unit and is used to display the color temperature parameters, brightness values ​​and control mode information of the current light in real time.

7. The elevator multi-functional lighting control system according to any one of claims 1 to 6, characterized in that, The system also includes a storage module connected to the microcontroller unit, which is used to store user-preset lighting scene preferences, voice command templates, or system operation logs via the APP.

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