Intelligent illumination control system for urban rail transit
The intelligent lighting control system for urban rail transit, which utilizes sensor nodes and a ZigBee network, has solved the problem of intelligent lighting control in subway stations, achieving safe, comfortable, and energy-efficient green lighting while reducing energy waste and operating costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-06
AI Technical Summary
Existing technologies are insufficient to achieve intelligent lighting control in subway stations, and cannot meet the needs for safe, comfortable, economical, and energy-efficient green lighting.
The intelligent lighting control system, composed of sensor nodes, main coordinator nodes, human-machine interaction units, and power distribution cabinets, detects ambient brightness and human information through sensors, transmits data via a ZigBee network, and combines image acquisition units and a host computer to automatically adjust the lighting and achieve hierarchical control.
It enables automatic adjustment of lighting in subway stations, saving energy, creating a comfortable lighting environment, and promptly alerting to abnormal situations through alarms, thereby reducing operating costs.
Smart Images
Figure CN223978790U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of intelligent lighting technology, and in particular relates to an intelligent lighting control system for urban rail transit. Background Technology
[0002] With social progress and the continuous development of infrastructure construction, subway construction is also experiencing rapid growth. Subway stations are a crucial component of modern subway development. Subway lighting is a vital aspect of subway construction, and how to achieve safe and comfortable lighting environments in underground buildings through intelligent lighting control, while simultaneously meeting the requirements of economical and energy-saving green lighting, is an urgent problem to be solved. Summary of the Invention
[0003] In view of this, the present invention aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes an intelligent lighting control system for urban rail transit.
[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:
[0005] An intelligent lighting control system for urban rail transit includes sensor nodes, a main coordinator node, a human-machine interaction unit, and a power distribution cabinet.
[0006] The sensor node includes a sensor unit, a ZigBee module, and a power module. The sensor unit and the power module are electrically connected to the ZigBee module. The sensor unit includes a main control chip, a brightness detection unit, an infrared detection unit, and an image acquisition unit. The brightness detection unit, the infrared detection unit, and the image acquisition unit are all electrically connected to the main control chip. The brightness detection information is used to detect ambient brightness information. The infrared detection unit is used to detect human body information. The image acquisition unit is used to acquire image data. The main coordinator node includes a ZigBee transceiver module, a microcontroller, and a wireless communication module. The ZigBee transceiver module is electrically connected to the microcontroller. The microcontroller is connected to the human-machine interaction unit through the wireless communication module. The power distribution cabinet includes a cabinet body and a main circuit voltage acquisition unit, a main circuit current acquisition unit, a branch current acquisition unit, and a control unit installed inside the cabinet body. The main circuit voltage acquisition unit, the main circuit current acquisition unit, and the branch current acquisition unit are all electrically connected to the control unit. The control unit is connected to the human-machine interaction unit.
[0007] The power distribution cabinet is used to supply power to the lighting system, and the power distribution cabinet is also connected to the human-machine interaction unit.
[0008] Furthermore, the human-computer interaction unit adopts a host computer.
[0009] Furthermore, the host computer is also connected to a server.
[0010] Furthermore, the control unit includes a controller, a comparator, and an alarm, wherein the alarm and the comparator are both electrically connected to the controller.
[0011] Furthermore, the controller adopts a single-chip microcomputer minimum system, including a single-chip microcomputer, a power supply circuit, a clock circuit, a reset circuit, and a JTAG emulation and debugging circuit. The power supply circuit, clock circuit, reset circuit, and JTAG emulation and debugging circuit are all electrically connected to the single-chip microcomputer.
[0012] Furthermore, an AD converter is provided between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the main control chip.
[0013] Furthermore, an amplification circuit and a filtering circuit are provided between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the AD converter.
[0014] Furthermore, the microcontroller is a single-chip microcomputer.
[0015] Furthermore, the wireless communication module includes a 4G / 5G wireless network communication module.
[0016] Furthermore, the host computer is also connected to a smart terminal.
[0017] Compared with existing technologies, the intelligent lighting control system for urban rail transit described in this utility model has the following advantages:
[0018] This invention automatically adjusts lighting by detecting human body information, pedestrian flow image data, and current light intensity, avoiding energy waste. Staff can promptly check and understand relevant parameters of the lighting equipment and manage it in a timely manner. This invention utilizes a ZigBee network for data transmission, resulting in low cost and high reliability. Attached Figure Description
[0019] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0020] Figure 1 This is a schematic diagram of the structure of an intelligent lighting control system for urban rail transit according to the present invention;
[0021] Figure 2 This is a schematic diagram illustrating the principle of an intelligent lighting control system for urban rail transit according to this utility model.
[0022] Figure 3This is a schematic diagram of the controller principle of this utility model;
[0023] Figure 4 This is the circuit diagram of the power module of this utility model.
[0024] Explanation of reference numerals in the attached figures
[0025] 1-Sensor node; 2-Main coordinator node; 3-Human-machine interaction unit; 4-Power distribution cabinet; 5-Server; 6-Smart terminal. Detailed Implementation
[0026] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0027] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0030] like Figure 1-2 As shown, this utility model provides an intelligent lighting control system for urban rail transit, including a sensor node 1, a main coordinator node 2, a human-machine interaction unit 3, and a power distribution cabinet 4.
[0031] The sensor node 1 includes a sensor unit, a ZigBee module, and a power module. The sensor unit and the power module are electrically connected to the ZigBee module. The sensor unit includes a main control chip, a brightness detection unit, an infrared detection unit, and an image acquisition unit. The brightness detection unit, the infrared detection unit, and the image acquisition unit are all electrically connected to the main control chip. The brightness detection information is used to detect ambient brightness information. The infrared detection unit is used to detect human body information. The image acquisition unit is used to acquire image data. The main coordinator node includes a ZigBee transceiver module, a microcontroller, and a wireless communication module. The ZigBee transceiver module is electrically connected to the microcontroller. The microcontroller is connected to the human-machine interaction unit 3 through the wireless communication module. The power distribution cabinet 4 includes a cabinet body and a main circuit voltage acquisition unit, a main circuit current acquisition unit, a branch current acquisition unit, and a control unit installed inside the cabinet body. The main circuit voltage acquisition unit, the main circuit current acquisition unit, and the branch current acquisition unit are all electrically connected to the control unit. The control unit is connected to the human-machine interaction unit 3.
[0032] The power distribution cabinet 4 is used to supply power to the lighting system, and the power distribution cabinet 4 is also connected to the human-machine interaction unit 3.
[0033] Specifically, the human-computer interaction unit 3 is a host computer.
[0034] Specifically, the host computer is also connected to server 5.
[0035] Specifically, the control unit includes a controller, a comparator, and an alarm, both of which are electrically connected to the controller.
[0036] like Figure 3 As shown, the controller adopts a single-chip microcomputer minimum system, including a single-chip microcomputer, a power supply circuit, a clock circuit, a reset circuit, and a JTAG simulation and debugging circuit. The power supply circuit, clock circuit, reset circuit, and JTAG simulation and debugging circuit are all electrically connected to the single-chip microcomputer.
[0037] Specifically, an AD converter is provided between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the main control chip.
[0038] Specifically, an amplification circuit and a filtering circuit are also provided between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the AD converter.
[0039] Specifically, the microcontroller is a single-chip microcomputer.
[0040] Specifically, the wireless communication module includes a 4G / 5G wireless network communication module.
[0041] Specifically, the host computer is also connected to the smart terminal 6.
[0042] In operation, this invention deploys sensor nodes in different areas such as subway station halls and platforms. A brightness detection unit collects real-time illumination information for these areas, while an infrared detection unit detects human presence. The data is then transmitted to a host computer via a ZigBee network. The host computer controls the illumination brightness of different areas based on the detection results, achieving tiered control and effectively saving energy. Furthermore, this invention utilizes an image acquisition unit to collect pedestrian flow data at set times, such as rush hour and holidays, and transmits this data to the host computer. The host computer then controls the illumination brightness of different areas based on the received data, optimizing the lighting environment within each area and creating a comfortable lighting environment.
[0043] This utility model utilizes a power distribution cabinet to supply power to a lighting system. It also uses a main circuit voltage acquisition unit, a main circuit current acquisition unit, and a branch current acquisition unit to collect real-time data on the main circuit voltage, current, and branch current inside the power distribution cabinet and sends the data to a host computer. The host computer compares the received data with a preset threshold using a comparator. If the data exceeds the set threshold, an alarm signal is sent, and an alarm is triggered to remind the user.
[0044] like Figure 4 As shown, the power supply module of this utility model uses the AS1117 voltage regulator chip to power the chip, and the power supply stability is ensured by adding filter capacitors at the input and output terminals.
[0045] It should be noted that all components used in this utility model are existing products, and the connection relationships between the components are also conventional connection relationships in this field.
[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A metro intelligent lighting control system, characterized in that: The system comprises a sensor node (1), a master coordinator node (2), a human-computer interaction unit (3), and a power distribution cabinet (4). The sensor node (1) comprises a sensor unit, a ZigBee module, and a power module, the sensor unit and the power module are electrically connected to the ZigBee module, the sensor unit comprises a master control chip, a brightness detection unit, an infrared detection unit, and an image acquisition unit, the brightness detection unit, the infrared detection unit, and the image acquisition unit are electrically connected to the master control chip, the brightness detection unit is used for detecting environmental brightness information, the infrared detection unit is used for detecting human body information, and the image acquisition unit is used for acquiring image data, the master coordinator node comprises a ZigBee transceiver module, a microcontroller, and a wireless communication module, the ZigBee transceiver module is electrically connected to the microcontroller, the microcontroller is connected to the human-computer interaction unit (3) through the wireless communication module, and the power distribution cabinet (4) comprises a cabinet body, a main loop voltage acquisition unit, a main loop current acquisition unit, a branch current acquisition unit, and a control unit arranged in the cabinet body, the main loop voltage acquisition unit, the main loop current acquisition unit, and the branch current acquisition unit are electrically connected to the control unit, and the control unit is connected to the human-computer interaction unit (3). The power distribution cabinet (4) is used for supplying power for the lighting system, and the power distribution cabinet (4) is also connected to the human-computer interaction unit (3). 2.The urban rail transit intelligent lighting control system according to claim 1, characterized in that: The human-computer interaction unit (3) adopts an upper computer.
3. The urban rail transit intelligent lighting control system according to claim 2, characterized in that: The upper computer is also connected to a server (5).
4. The urban rail transit intelligent lighting control system according to claim 1, characterized in that: The control unit comprises a controller, a comparator, and an alarm, and the alarm and the comparator are electrically connected to the controller.
5. The urban rail transit intelligent lighting control system according to claim 4, characterized in that: The controller adopts a single-chip microcomputer minimum system, and comprises a single-chip microcomputer, a power circuit, a clock circuit, a reset circuit, and a JTAG simulation debugging circuit, and the power circuit, the clock circuit, the reset circuit, and the JTAG simulation debugging circuit are electrically connected to the single-chip microcomputer. 6.The urban rail transit intelligent lighting control system of claim 1, wherein: An AD converter is arranged between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the master control chip.
7. The urban rail transit intelligent lighting control system according to claim 6, characterized in that: An amplification circuit and a filter circuit are further arranged between the brightness detection unit, the infrared detection unit, the image acquisition unit, and the AD converter. 8.The urban rail transit intelligent lighting control system of claim 1, wherein: The microcontroller adopts a single-chip microcomputer.
9. The intelligent lighting control system for urban rail transit according to claim 1, characterized in that: The wireless communication module comprises a 4G / 5G wireless network communication module.
10. The intelligent lighting control system for urban rail transit according to claim 2, characterized in that: The upper computer is also connected to an intelligent terminal (6).