Curtain motor group control device and group control system based on power carrier communication

Abstract

The utility model relates to power line carrier communication technology discloses a curtain motor group control equipment and group control system based on power line carrier communication, include: group control host computer, a plurality of motor module and power adapter, group control host computer includes main processor, first power line carrier communication unit, first transformer and first power module, in group control host computer, main processor is connected with first transformer through first power line carrier communication unit, first power line carrier communication unit is connected with first power module, second power module in each motor module through power cord through first transformer respectively, first power module is connected with power adapter still, in each motor module, curtain motor is connected with second power line carrier communication unit through motor drive board, second power line carrier communication unit is connected with second power module through second transformer, the utility model aims at putting forward a curtain motor group control equipment based on power line carrier communication to reduce the cost of communication wiring.

Description

Technical Field

[0001] This utility model relates to the field of power line carrier communication technology, and in particular to a curtain motor group control device and curtain motor group control system based on power line carrier communication. Background Technology

[0002] In the fields of modern smart homes and building automation, intelligent control of curtains is attracting increasing attention. By automating the opening and closing of curtains, better lighting regulation (or rain detection), privacy protection, and energy-saving effects can be achieved, bringing users a more comfortable and convenient living experience.

[0003] Traditional curtain controls mostly use wired connections, which involve laying dedicated control lines to connect the controller to the curtain motor. However, in practical applications, the installation process requires extensive wiring within the building, resulting in high construction difficulty and cost.

[0004] The above content is only used to help understand the technical solution of this utility model and does not represent an admission that the above content is prior art. Utility Model Content

[0005] This invention proposes a curtain motor group control device and a curtain motor group control system based on power line carrier communication, aiming to reduce the cost of communication wiring.

[0006] To achieve the above objectives, this utility model proposes a curtain motor group control device based on power line carrier communication, comprising: a group control host, multiple motor modules, and a power adapter; the group control host includes a main processor, a first power line carrier communication unit, a first transformer, and a first power module; each motor module includes a second power line carrier communication unit, a second transformer, a second power module, a motor drive board, and a curtain motor; In the group control host, the main processor is electrically connected to the first transformer via the first power line carrier communication unit; the first power line carrier communication unit is connected to the first power module and the second power module in each motor module via power lines via the first transformer; the first power module is also electrically connected to the power adapter. In each motor module, the curtain motor is electrically connected to the second power line carrier communication unit via the motor drive board, and the second power line carrier communication unit is electrically connected to the second power supply module via the second transformer.

[0007] Optionally, the motor drive board includes a processor and a drive control unit; The curtain motor is sequentially connected to the drive control unit and then to the processor via an electrical connection to the second power line carrier communication unit.

[0008] Optionally, in addition to the drive control circuit, the drive control unit is also equipped with a motor current detection circuit and / or a motor position feedback sensor.

[0009] Optionally, the motor position feedback sensor is a Hall sensor.

[0010] Optionally, the group control host and / or motor module are equipped with a light intensity sensor, and / or the motor module is equipped with a rain detection sensor.

[0011] Optionally, the group control host may also include a display and control panel electrically connected to the main processor.

[0012] Optionally, the group control host may also include a remote control receiver module electrically connected to the main processor.

[0013] Optionally, the main processor is extended with an RS485 interface for electrical connection to external control devices and / or curtain motors that support RS485 communication.

[0014] This utility model further proposes a curtain motor group control system, including a main control device and multiple curtain motor group control devices, wherein the curtain motor group control devices are curtain motor group control devices based on power line carrier communication as described above; The main control device and the group control host in the curtain motor group control device establish an RS485 communication connection.

[0015] The beneficial effects of this utility model's technical solution are as follows: the curtain motor group control equipment based on power line carrier communication has simple wiring, can use existing power lines for communication without the need for additional communication lines, which reduces construction work and installation costs; at the same time, the equipment has strong scalability, which can easily increase or decrease the number of motor modules, and can flexibly adapt to the needs of curtain motor group control of different scales; moreover, the power line carrier communication process has strong anti-interference capabilities, which can ensure reliable transmission of control signals, effectively avoid control errors caused by interference, ensure stable operation of curtain motors, and provide users with a more convenient, efficient and economical curtain control solution. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of an embodiment of the curtain motor group control device based on power line carrier communication of this utility model; Figure 2 This is another structural schematic diagram of an embodiment of the curtain motor group control device based on power line carrier communication of this utility model; Figure 3 This is a schematic diagram of the architecture of the power line carrier communication unit of this utility model; Figure 4 This is a schematic diagram of another embodiment of the curtain motor group control device based on power line carrier communication of this utility model; Figure 5 This is a schematic diagram of another embodiment of the curtain motor group control device based on power line carrier communication of this utility model; Figure 6 This is a schematic diagram of an embodiment of the curtain motor group control system of this utility model.

[0017] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0018] The solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] It should also be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component present. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component present.

[0021] Furthermore, descriptions involving terms such as "first" and "second" in this utility model are for descriptive purposes only (e.g., to distinguish identical or similar elements) and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" and "second" may explicitly or implicitly include at least one of those features. Additionally, technical solutions from different embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If a combination of technical solutions is contradictory or impossible to implement, such a combination should be considered nonexistent and not within the scope of protection claimed by this utility model.

[0022] This utility model proposes a curtain motor group control device based on power line carrier communication, referring to... Figure 1 and Figure 2The curtain motor group control device based on power line carrier communication includes: a group control host, multiple motor modules and a power adapter; the group control host includes a main processor, a first power line carrier communication unit, a first transformer and a first power module; each motor module includes a second power line carrier communication unit, a second transformer, a second power module, a motor drive board and a curtain motor; In the group control host, the main processor is electrically connected to the first transformer via the first power line carrier communication unit; the first power line carrier communication unit is connected to the first power module and the second power module in each motor module via power lines via the first transformer; the first power module is also electrically connected to the power adapter. In each motor module, the curtain motor is electrically connected to the second power line carrier communication unit via the motor drive board, and the second power line carrier communication unit is electrically connected to the second power supply module via the second transformer.

[0023] In this embodiment, the group control host plays a central control role, while the motor modules are connected to each curtain motor, and the power adapter provides the necessary power support for the entire system. Through power line communication, the group control host can send control commands to each motor module, thereby achieving centralized control of multiple curtain motors.

[0024] The group control host is the core control part of the entire group control system, mainly including the main processor, the first power line carrier communication unit, the first transformer and the first power supply module.

[0025] Among them, the brain of the group control host is responsible for processing various control commands and data. It can generate corresponding control commands according to the preset program or external input signals, and transmit these commands to the first power line carrier communication unit.

[0026] The first power line carrier communication unit undertakes the crucial task of data transmission. It is responsible for receiving control commands from the main processor, modulating these commands onto the power lines, and transmitting the signals to each motor module via the power lines. Simultaneously, the first power line carrier communication unit can also receive status information fed back from the motor modules and transmit it to the main processor for processing.

[0027] The first transformer serves as a signal coupler and isolator, coupling the signal output from the first power line carrier communication unit to the power line, enabling signal transmission on the power line. Simultaneously, the first transformer isolates high voltage and interference signals from the power line, protecting the first power line carrier communication unit and the main processor.

[0028] The first power module is responsible for providing a stable power supply to all components and motor modules within the group control host. The first power module is connected to the first transformer via a power line, drawing electrical energy from the power line and converting it into voltage and current suitable for the main processor and the first power line carrier communication unit. In addition, the first power module is also connected to a power adapter, which converts external AC power into suitable DC power to provide input power to the first power module.

[0029] Optionally, the power adapter can be configured to supply 24V / 5A.

[0030] Each motor module corresponds to a curtain motor, and each motor module includes a second power line carrier communication unit, a second transformer, a second power supply module, a motor drive board, and a curtain motor.

[0031] The curtain motor is the actuator responsible for driving the opening and closing of the curtains. It receives control signals from the motor drive board and, based on these signals, performs operations such as forward rotation, reverse rotation, and stopping, thereby controlling the opening, closing, and stopping positions of the curtains.

[0032] The main function of the motor drive board is to amplify and convert the control signals received by the second power line carrier communication unit, enabling it to drive the curtain motor. Based on the requirements of the control signals, the motor drive board adjusts the voltage and current output to the curtain motor, achieving precise control of the curtain motor.

[0033] The second power line carrier communication unit is responsible for receiving control signals transmitted from the group control host via the power line, demodulating them into digital signals, and transmitting them to the motor drive board. Simultaneously, the second power line carrier communication unit can also modulate the status information of the curtain motor (such as current position and operating status) onto the power line and feed it back to the group control host.

[0034] Similar to the first transformer, the second transformer serves to couple and isolate signals. It couples the feedback signal from the second power line carrier communication unit to the power line while isolating high voltage and interference signals from the power line, thus protecting the second power line carrier communication unit and the motor drive board.

[0035] The second power supply module provides a stable power supply to the various components within the motor module. It is connected to the second transformer via a power line, drawing electrical energy from the first power supply module and converting it into voltage and current suitable for the second power line carrier communication unit and the motor drive board.

[0036] Optionally, the first and second power line carrier communication units are based on the ITU-T G.9903 standard for power line carrier communication, primarily used in G3-PLC networks. They support three different carrier frequency bands: (1), CENELEC A——35.9375~90.625kHz; (2), CENELEC B——98.4375~121.875kHz; (3), FCC frequency band: 150~480kHz.

[0037] Optionally, the power line carrier communication unit supports master / slave devices. By applying different device addresses to different slave devices, single-point communication or broadcast group communication can be achieved.

[0038] Optional, refer to Figure 3 The power line carrier communication unit uses the ST8500 PLC modem chip with a built-in ARM® 32-bit Cortex®-M4F200MHz main frequency; the driver chip uses STLD1, which supports a maximum of 36V differential output and 18V single-ended output, and a maximum average current of 1.5A.

[0039] The working principle of the curtain motor group control equipment is as follows: When control of the curtain motor is required, the main processor generates corresponding control commands and sends them to the first power line carrier communication unit. The first power line carrier communication unit modulates the control commands onto the power line, couples them into the power line through the first transformer, and then transmits the control signals to each motor module through the power line.

[0040] After receiving the control signal, the second power line carrier communication unit in each motor module demodulates it into a digital signal and transmits it to the motor drive board. The motor drive board adjusts the voltage and current output to the curtain motor according to the requirements of the control signal, thereby controlling the operation of the curtain motor and realizing the opening and closing of the curtains.

[0041] The operating status information of the curtain motor (such as current position and operating status) is collected by the motor drive board and transmitted to the second power line carrier communication unit. The second power line carrier communication unit modulates this status information onto the power line, couples it to the power line through the second transformer, and feeds it back to the group control host. After receiving the feedback signal, the first power line carrier communication unit in the group control host demodulates it into a digital signal and transmits it to the main processor for processing.

[0042] In this way, communication can be achieved using existing power lines, eliminating the need for additional communication lines and reducing installation costs and construction difficulty. At the same time, the number of motor modules can be easily increased or decreased (a single group control host can theoretically support an unlimited number of motors through the PLC power line carrier interface; considering communication latency and power supply output load limitations, under optimal communication conditions, 16 curtain motors (i.e., 16 motor modules) can usually be connected simultaneously), enabling group control of different numbers of curtain motors; moreover, power line carrier communication technology has strong anti-interference capabilities, ensuring reliable transmission of control signals.

[0043] In one embodiment, the curtain motor group control device based on power line carrier communication has simple wiring, can use existing power lines for communication without the need for additional communication lines, which reduces construction work and installation costs. At the same time, the device has strong scalability, which can easily increase or decrease the number of motor modules, and can flexibly adapt to the needs of curtain motor group control of different scales. Moreover, the power line carrier communication process has strong anti-interference capability, which can ensure reliable transmission of control signals, effectively avoid control errors caused by interference, ensure stable operation of curtain motors, and provide users with a more convenient, efficient and economical curtain control solution.

[0044] In one embodiment, based on the above embodiments, referring to Figure 4 The motor drive board includes a processor and a drive control unit; The curtain motor is sequentially connected to the drive control unit and then to the processor via an electrical connection to the second power line carrier communication unit.

[0045] In this embodiment, the motor drive board mainly consists of a processor and a drive control unit. Its core function is to process and convert the control signals received by the second power line carrier communication unit, and then drive the curtain motor to run according to predetermined instructions to realize operations such as opening and closing the curtains.

[0046] The processor is electrically connected to the second power line carrier communication unit and is responsible for receiving the demodulated control signals from the second power line carrier communication unit. These control signals contain various instructions issued by the group control host, such as opening, closing, and stopping the curtains. The processor parses and processes these signals, converting them into control information that the drive control unit can recognize.

[0047] The processor can judge and coordinate the operating status of the curtain motor based on the received control signals and preset programs. For example, when it receives the command to "open the curtains", the processor will check the current position and status of the motor, determine whether the command can be executed, and send the corresponding control signal to the drive control unit.

[0048] The processor also collects operating status information of the curtain motor, such as motor speed and position, and processes this information before feeding it back to the group control host through the second power line carrier communication unit, so that the group control host can monitor the operation of the curtain motor in real time.

[0049] The drive control unit is electrically connected in sequence to the processor and the curtain motor. It receives control signals from the processor, amplifies and converts these signals to provide sufficient power and appropriate voltage and current to drive the curtain motor. For example, the control signals from the processor may be low-power digital signals, which the drive control unit converts into analog signals suitable for the curtain motor, thereby achieving precise control of the motor.

[0050] Optionally, the drive control unit adjusts the voltage and current output to the curtain motor according to the control signal requirements, controlling the motor's forward, reverse, and stop movements to achieve the opening and closing of the curtains. Simultaneously, the drive control unit also has certain protection functions, such as overcurrent protection and overheat protection. When the motor malfunctions, it can promptly cut off the power supply to protect the motor and equipment.

[0051] When the group control host issues a control command, the command is transmitted to the second power line carrier communication unit via power line carrier communication. After demodulation, it is transmitted to the slave processor. The slave processor processes and analyzes the command, and then sends corresponding control signals to the drive control unit. The drive control unit amplifies and converts the control signals, driving the curtain motor to operate according to the command. During motor operation, the slave processor collects the motor's operating status information in real time and feeds it back to the group control host, forming a closed-loop control system to ensure the stable and accurate operation of the curtain motor.

[0052] In one embodiment, based on the above embodiments, the drive control unit, in addition to the drive control circuit, is also provided with a motor current detection circuit and / or a motor position feedback sensor.

[0053] In this embodiment, in addition to the drive control circuit for generating drive signals to control the motor, the drive control unit also includes a motor current detection circuit and / or a motor position feedback sensor.

[0054] Optionally, the motor current detection circuit can use methods such as resistance sampling and current transformers to monitor the current magnitude of the curtain motor in real time. When the motor is running, the current passes through the sampling element in the detection circuit, generating a voltage signal proportional to the current magnitude. This signal is then amplified, filtered, and converted into a digital signal, which is transmitted to the slave processor.

[0055] Optionally, the motor position feedback sensor can be a Hall sensor, encoder, etc. The Hall sensor determines the motor position by detecting changes in the magnetic field of the motor rotor; the encoder measures the rotation angle and direction of the motor shaft and converts this into a digital signal output. The motor position feedback sensor transmits the detected motor position information to the slave processor in real time.

[0056] When the group control host issues a control command, the drive control circuit drives the curtain motor according to the instructions from the slave processor. During motor operation, the motor current detection circuit monitors the motor current in real time, and / or the motor position feedback sensor provides real-time feedback on the motor's position information. Based on this monitoring data, the slave processor continuously adjusts the output of the drive control circuit to achieve precise control and protection of the curtain motor. Simultaneously, the slave processor feeds back the motor's operating status information (including current, position, etc.) to the group control host via a second power line carrier communication unit, allowing users to monitor the curtain motor's operation in real time.

[0057] In one embodiment, based on the above embodiments, the group control host and / or motor module are equipped with a light intensity sensor, and / or the motor module is equipped with a rain detection sensor.

[0058] In this embodiment, the light intensity sensor is used to collect ambient light intensity; the rain detection sensor is used to detect the current rain status of the environment.

[0059] When the group control host is equipped with a light intensity sensor, it can uniformly monitor the lighting conditions of the entire control area. As the core control device of the entire curtain motor group control system, the group control host can comprehensively process the information obtained from the light intensity sensor. For example, in a large office area, the group control host can generate corresponding control commands for the curtain motors in each room or area based on the detected overall light intensity. If the light intensity is too high, the group control host can issue a command to close all or some curtains to reduce indoor light intensity and avoid discomfort and equipment damage caused by direct sunlight.

[0060] When the motor module is equipped with a light intensity sensor, each curtain motor can be independently controlled based on the local light intensity at its location. Each motor module can adjust the opening and closing state of the corresponding curtain in a timely manner based on the light intensity it detects. For example, if the south-facing window receives strong sunlight, the corresponding curtain motor module will automatically close the curtain after detecting high-intensity light; while the north-facing window receives weak sunlight, the corresponding curtain will remain open.

[0061] Optionally, when the motor module is equipped with a rain detection sensor, the curtains can be automatically closed if rain is detected.

[0062] In one embodiment, based on the above embodiments, referring to Figure 5 The group control host also includes a display and control panel electrically connected to the main processor.

[0063] In this embodiment, the user can send control commands to the main processor through various input devices such as buttons on the display control panel and the touch screen. For example, the user can directly click buttons such as "Open," "Close," and "Stop" on the display control panel. After receiving these commands, the main processor processes them and converts them into corresponding control signals, which are then sent to each motor module through the first power line carrier communication unit to control the curtain motor.

[0064] Optionally, the display and control panel also allows users to set the operating parameters of the curtain motor. For example, users can set parameters such as the opening or closing speed of the curtains and the position where the curtains stop. The main processor will receive and save this setting information and drive the curtain motor according to the user-defined parameters during subsequent control processes.

[0065] Optionally, the main processor collects information from each motor module, such as the current position and operating status of the curtain motor (opening, closing, or stopped), and transmits this information to the display panel. Users can then monitor the real-time status of each curtain motor through the display panel, allowing for timely understanding of the system's operating status.

[0066] Optionally, the display panel can also show some basic information about the group control system, such as the current time and system operating mode. Furthermore, when a system malfunctions or encounters an abnormal situation, the display panel will promptly display corresponding alarm information to remind the user to take appropriate action.

[0067] The display and control panel and the main processor are electrically connected to achieve bidirectional data transmission. On one hand, the display and control panel sends user-input operation commands to the main processor, which processes and analyzes these commands and executes corresponding control operations. On the other hand, the main processor feeds back collected system information and motor status information to the display and control panel, which then displays this information to the user in an intuitive way. This close collaborative working method allows users to easily operate and manage the curtain motor group control system.

[0068] In one embodiment, based on the above embodiments, referring to Figure 5 The group control host also includes a remote control receiver module electrically connected to the main processor.

[0069] In this embodiment, the remote control receiver module is mainly responsible for receiving wireless signals transmitted from the remote control. When the user presses the corresponding button on the remote control, the remote control will transmit a signal containing control commands at a specific frequency. After receiving these signals, the remote control receiver module converts them into electrical signals and transmits them to the main processor.

[0070] After receiving the electrical signal from the remote control receiver module, the main processor decodes and analyzes it to identify the user's control intention. For example, if the user presses the "Open All" button on the remote control, the main processor will process this instruction and then send control signals to each motor module to open the curtains through the first power line carrier communication unit, thereby achieving unified control of multiple curtain motors.

[0071] The remote control receiver module provides a convenient, long-distance control method, complementing the display control panel. In some scenarios, it may be inconvenient for users to walk to the display control panel; in such cases, the remote control allows for easy control of the curtains from a distance. For example, while relaxing on the sofa in the living room, users can control the opening and closing of the curtains directly with the remote control without having to get up and walk to the group control unit.

[0072] By combining the remote control and the main processor, flexible group control of curtains can also be achieved. Users can divide the curtains in different areas into different groups using the remote control, and then control these groups independently to meet diverse usage needs.

[0073] Based on the remote control receiver module, the operation of the group control system can be made more user-friendly and convenient, providing users with more control options. Whether it is precise setting through the display control panel at close range or quick operation using the remote control at a distance, effective control of the curtain motor group can be easily achieved, improving the user experience.

[0074] In one embodiment, based on the above embodiments, the main processor is extended with an RS485 interface for electrically connecting external control devices and / or curtain motors that support RS485 communication.

[0075] In this embodiment, the main processor of the group control host expands to an RS485 interface, enabling it to connect and communicate with external control devices and curtain motors that support RS485 communication, thereby achieving broader device integration and more complex control functions.

[0076] It should be noted that the main processor can use the PLC power line carrier interface alone, or another RS485 interface, or both the PLC power line carrier interface and the RS485 interface simultaneously. When the main processor needs to control (50~200) or more motor modules, a combination of RS485 and PLC power line carrier is usually used to achieve optimal performance.

[0077] Optionally, the main processor can be electrically connected to external control devices (such as intelligent control panels, central control systems, etc.) via an RS485 interface. In some large venues (such as conference rooms, exhibition halls, etc.), the group control system can be integrated with the central control system. Through the operation interface of the central control system, users can centrally control the curtain motors of multiple areas, achieving more intelligent and automated management. For example, at the start of a meeting, all curtains can be closed with a single button via the central control system, creating a comfortable meeting environment.

[0078] Optionally, the main processor can directly connect to curtain motors that support RS485 communication via an RS485 interface to form a distributed control network. Each curtain motor acts as an independent node, interacting with the main processor. The main processor can send precise control commands to the curtain motors via the RS485 interface, such as motor speed, direction of travel, and stop position. Simultaneously, the curtain motors can also feed back their operating status (such as current position, current, and temperature) to the main processor, enabling real-time monitoring and control of the motors.

[0079] The expansion of the RS485 interface enables the group control system to be integrated with more types of devices, improving the system's versatility and flexibility. Through connection with external control devices and curtain motors that support RS485 communication, more complex control logic and more intelligent management are achieved, meeting the needs of different users in different scenarios.

[0080] This utility model further proposes a curtain motor group control system, referring to... Figure 6 The curtain motor group control system includes a main control device and multiple curtain motor group control devices. The curtain motor group control devices are curtain motor group control devices based on power line carrier communication. The specific structure of the curtain motor group control devices based on power line carrier communication is as described in the above embodiments. Since this curtain motor group control system adopts all the technical solutions of all the above embodiments, it has at least all the technical effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0081] The main control device and the group control host in the curtain motor group control device establish an RS485 communication connection.

[0082] This curtain motor group control system combines a main control device with multiple curtain motor group control devices based on power line carrier communication. It establishes a large-scale, scalable curtain control network through RS485 communication, which can comprehensively utilize the advantages of power line carrier communication and RS485 communication to achieve centralized management and precise control of a large number of curtain motors.

[0083] The main control device serves as the core control center of the entire group control system, responsible for the unified management and scheduling of multiple curtain motor group control devices. The main control device can receive user control commands, send corresponding control signals to each curtain motor group control device according to the commands, and simultaneously collect and process curtain motor operating status information fed back from each group control device.

[0084] The main control device can support up to 32 sets of curtain motor group control devices to be connected simultaneously via the RS485 interface, with each curtain motor group control device serving as an RS485 node. RS485 communication has advantages such as strong anti-interference capability and long transmission distance, which can ensure stable and reliable data transmission between the main control device and each group control device.

[0085] Each curtain motor group control device includes a group control host and multiple motor modules. The group control host is responsible for receiving instructions from the main control device and transmitting these instructions to each motor module via power line carrier communication, thereby enabling the driving and control of the curtain motors. Simultaneously, the group control host also collects motor operating status information from the motor modules and feeds it back to the main control device.

[0086] A single group control host can simultaneously connect to 16 curtain motors (i.e., 16 motor modules) via a PLC power line carrier interface, under optimal communication performance conditions. Power line carrier communication utilizes existing power lines for data transmission, eliminating the need for additional wiring and reducing system installation costs and complexity.

[0087] The main control device is connected to the group control host in each curtain motor group control device via an RS485 bus, forming a master-slave communication network. The main control device, as the master device, actively initiates communication, sending control commands and data requests to each group control host; the group control host, as the slave device, receives the commands from the main control device and returns the corresponding data.

[0088] By combining RS485 interface and power line carrier communication, the system can achieve centralized control of a large number of curtain motors, and can control 32×16=512 (or even more) curtain motors at the same time, meeting the curtain control needs of large venues (such as hotels, office buildings, shopping malls, etc.).

[0089] This system boasts excellent flexibility and scalability, allowing users to add or remove curtain motor group control devices according to actual needs, facilitating system upgrades and modifications. It is suitable for various locations requiring centralized control of a large number of curtains, such as conference rooms, exhibition halls, hotel rooms, and offices. Users can achieve unified opening and closing, timed control, and group control of curtains through the main control device, improving the level of intelligent management of the venue.

[0090] The above description is only a part or preferred embodiment of this utility model. Neither the text nor the drawings should limit the scope of protection of this utility model. All equivalent structural transformations made using the content of this utility model specification and drawings under the overall concept of this utility model, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.

Claims

1. A curtain motor group control device based on power line carrier communication, characterized in that, include: The system includes a group control host, multiple motor modules, and a power adapter; the group control host includes a main processor, a first power line carrier communication unit, a first transformer, and a first power supply module. Each motor module includes a second power line carrier communication unit, a second transformer, a second power supply module, a motor drive board, and a curtain motor; In the group control host, the main processor is electrically connected to the first transformer via the first power line carrier communication unit; the first power line carrier communication unit is connected to the first power module and the second power module in each motor module via power lines via the first transformer; the first power module is also electrically connected to the power adapter. In each motor module, the curtain motor is electrically connected to the second power line carrier communication unit via the motor drive board, and the second power line carrier communication unit is electrically connected to the second power supply module via the second transformer.

2. The curtain motor group control device based on power line carrier communication as described in claim 1, characterized in that, The motor drive board includes a processor and a drive control unit; The curtain motor is sequentially connected to the drive control unit and then to the processor via an electrical connection to the second power line carrier communication unit.

3. The curtain motor group control device based on power line carrier communication as described in claim 2, characterized in that, In addition to the drive control circuit, the drive control unit is also equipped with a motor current detection circuit and / or a motor position feedback sensor.

4. The curtain motor group control device based on power line carrier communication as described in claim 3, characterized in that, The motor position feedback sensor is a Hall sensor.

5. The curtain motor group control device based on power line carrier communication as described in claim 1, characterized in that, The group control host and / or motor module are equipped with a light intensity sensor, and / or the motor module is equipped with a rain detection sensor.

6. The curtain motor group control device based on power line carrier communication as described in claim 1, characterized in that, The group control host also includes a display and control panel that is electrically connected to the main processor.

7. The curtain motor group control device based on power line carrier communication as described in claim 1, characterized in that, The group control host also includes a remote control receiver module electrically connected to the main processor.

8. The curtain motor group control device based on power line carrier communication as described in claim 1, characterized in that, The main processor is equipped with an RS485 interface for electrical connection to external control devices and / or curtain motors that support RS485 communication.

9. A curtain motor group control system, characterized in that, It includes a main control device and multiple curtain motor group control devices, wherein the curtain motor group control device is a curtain motor group control device based on power line carrier communication as described in any one of claims 1-8; The main control device and the group control host in the curtain motor group control device establish an RS485 communication connection.

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