Power demand response intelligent terminal device

Abstract

The invention discloses power demand response intelligent terminal equipment in the field of power system automation. The power demand response intelligent terminal equipment comprises a main control module, a communication module, a data acquisition module, a control execution module, a man-machine interaction module and a power management module, the main control module comprises a processor, a memory and a storage unit, and the processor adopts a high-performance low-power-consumption multi-core processor and is used for processing collected data. According to the invention, a plurality of functional modules are integrated in a compact device, the size and power consumption of the device are reduced, the installation and use cost is reduced, a high-performance processor and a fast-acting control execution element are adopted, the change of a power system can be responded in a short time, the efficiency of power allocation is improved, and the device has a data encryption function and is suitable for popularization and application. According to the invention, the security and privacy of the collected and transmitted data are ensured, a plurality of wireless and wired communication protocols are supported, data interaction with different external devices can be carried out, and the universality and compatibility of the devices are improved.

Description

Technical Field

[0001] The present invention relates to the field of power system automation, and specifically to an intelligent terminal device for power demand response. Background Art

[0002] With the development of smart grids, power demand response has become an important means to achieve grid supply-demand balance and improve energy utilization efficiency. Existing power demand response terminal devices have many deficiencies. For example, they are complex to operate and require professional personnel for configuration and maintenance; they have a slow response speed and cannot respond to the real-time demands of the grid in a timely manner; they have a low integration level, with large device volume and high power consumption, increasing the installation and usage costs. These problems limit the widespread application of power demand response technology.

[0003] Therefore, those skilled in the art have provided an intelligent terminal device for power demand response to solve the problems raised in the above background art. Summary of the Invention

[0004] The purpose of the present invention is to provide an intelligent terminal device for power demand response to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] An intelligent terminal device for power demand response, including a main control module, a communication module, a data acquisition module, a control execution module, a human-machine interaction module, and a power management module;

[0007] The main control module includes a processor, a memory, and a storage unit. The processor uses a high-performance and low-power multi-core processor for processing, analyzing, and making decisions on the collected data. The memory is used for temporarily storing operation data, and the storage unit is used for long-term storing historical data, configuration information, and program code;

[0008] The communication module includes a wireless communication unit and a wired communication unit. The wireless communication unit supports multiple wireless communication protocols, such as Wi-Fi, Bluetooth, ZigBee, etc., for wireless data transmission with external devices. The wired communication unit supports communication methods such as Ethernet and serial ports for wired connection and data interaction with other devices;

[0009] The data acquisition module includes a voltage sensor, a current sensor, and a power sensor. The voltage sensor is used for real-time acquisition of the voltage value of the power system. The current sensor is used for real-time acquisition of the current value of the power system. The power sensor is used for real-time acquisition of the power value of the power system. The collected data is transmitted to the main control module for processing;

[0010] The control execution module includes a relay and a contactor. The relay is used to control the on / off of a low-power circuit, and the contactor is used to control the on / off of a high-power circuit. The main control module generates a control instruction according to the processing result and controls the power equipment through the control execution module;

[0011] The human-machine interaction module includes a display screen and buttons. The display screen is used to display the real-time data, device status, and operation prompt information of the power system, and the buttons are used for users to input operation instructions to implement the configuration and control of the device;

[0012] The power management module includes a battery, a charging management unit, and a power conversion unit. The battery serves as a backup power source and provides power support for the device when the external power supply is interrupted. The charging management unit is used to manage the charging of the battery to ensure the safety and normal use of the battery. The power conversion unit is used to convert the external power supply into power supplies with different voltage levels required by the device.

[0013] As a further solution of the present invention: The processor uses a multi-core processor with an ARM architecture and has a real-time operating system, which can quickly respond to and process data.

[0014] As a further solution of the present invention: The wireless communication unit supports the 5G communication protocol and can achieve high-speed and stable data transmission.

[0015] As a further solution of the present invention: The voltage sensor, current sensor, and power sensor use high-precision and high-reliability sensors, and the accuracy of the collected data reaches ±0.1%.

[0016] As a further solution of the present invention: The relay and the contactor use fast-acting electromagnetic relays and contactors, and the response time is less than 100 ms. The display screen uses a color touch screen with a resolution of not less than 800×480, having a good visual effect and operation experience.

[0017] As a further solution of the present invention: The battery uses a lithium-ion battery with a capacity of not less than 10000 mAh, which can provide at least 2 hours of backup power for the device. The device has a self-diagnosis function and can monitor its own working status in real time, and automatically send an alarm signal when a fault occurs.

[0018] As a further solution of the present invention: The device supports remote configuration and upgrade functions, and can receive remote configuration instructions and software upgrade packages through the communication module to achieve remote management and maintenance of the device.

[0019] As a further solution of the present invention: The device adopts an integrated design, integrating the main control module, communication module, data acquisition module, control execution module, human-machine interaction module and power management module in a compact housing with a volume not exceeding 200mm×150mm×100mm.

[0020] As a further solution of the present invention: The device has a data encryption function to encrypt the collected data and the transmitted data to ensure data security and privacy.

[0021] As a further solution of the present invention: The operation interface of the device adopts a graphical design, which is simple and intuitive, and users can easily operate it without professional knowledge.

[0022] As a further solution of the present invention: The power demand response of the terminal device is implemented through the following code:

[0023] import time

[0024] # Simulate data collection

[0025] def data_collection():

[0026] voltage = 220 # Simulate voltage value

[0027] current = 5 # Simulate current value

[0028] power = voltage * current

[0029] return voltage, current, power

[0030] # Data processing

[0031] def data_processing(voltage, current, power):

[0032] return voltage, current, power

[0033] # Determine whether the response condition is met

[0034] def check_response_condition(power):

[0035] # Assume that a response is required when the power exceeds 1000W

[0036] if power > 1000:

[0037] return True

[0038] return False

[0039] # Generate control command

[0040] def generate_control_command():

[0041] return "Reduce power"

[0042] # Control execution

[0043] def control_execution(command):

[0044] print(f"Executing command: {command}")

[0045] # Feedback information

[0046] def feedback_information():

[0047] return "Control executed successfully"

[0048] # Data recording

[0049] def data_recording(voltage, current, power, feedback):

[0050] with open('record.txt', 'a') as f:

[0051] f.write(f"Voltage: {voltage}V, Current: {current}A, Power:{power}W, Feedback: {feedback}\n")

[0052] # Communication upload

[0053] def communication_upload():

[0054] print("Data uploaded successfully")

[0055] # Main program

[0056] def main():

[0057] running = True

[0058] while running:

[0059] voltage, current, power = data_collection()

[0060] voltage, current, power = data_processing(voltage, current,power)

[0061] if check_response_condition(power):

[0062] command = generate_control_command()

[0063] control_execution(command)

[0064] feedback = feedback_information()

[0065] data_recording(voltage, current, power, feedback)

[0066] communication_upload()

[0067] time.sleep(1) # Data collection and processing are performed every 1 second

[0068] # running =...

[0069] if __name__ == "__main__":

[0070] main()

[0071] Compared with the prior art, the beneficial effects of the present invention are:

[0072] The present invention integrates multiple functional modules into a compact device, reducing the volume and power consumption of the device, lowering the installation and usage costs. By adopting a high-performance processor and fast-acting control and execution components, it can respond to changes in the power system within a short period, improving the efficiency of power distribution. It has a data encryption function to ensure the security and privacy of the collected and transmitted data. It supports multiple wireless and wired communication protocols and can interact with different external devices, enhancing the versatility and compatibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0073] Figure 1 is a schematic structural diagram of the present invention;

[0074] Figure 2 is a flowchart of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0075] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0076] Please refer to Figures 1-2 , in an embodiment of the present invention, a power demand response intelligent terminal device includes a main control module, a communication module, a data acquisition module, a control and execution module, a human-machine interaction module, and a power management module;

[0077] The main control module includes a processor, a memory, and a storage unit. The processor uses a high-performance and low-power multi-core processor for processing, analyzing, and making decisions on the collected data. The memory is used for temporarily storing operation data, and the storage unit is used for long-term storing historical data, configuration information, and program code;

[0078] The communication module includes a wireless communication unit and a wired communication unit. The wireless communication unit supports multiple wireless communication protocols such as Wi-Fi, Bluetooth, ZigBee, etc., for wireless data transmission with external devices. The wired communication unit supports communication methods such as Ethernet and serial port for wired connection and data interaction with other devices;

[0079] The data acquisition module includes a voltage sensor, a current sensor, and a power sensor. The voltage sensor is used for real-time acquisition of the voltage value of the power system, the current sensor is used for real-time acquisition of the current value of the power system, and the power sensor is used for real-time acquisition of the power value of the power system. The collected data is transmitted to the main control module for processing;

[0080] The control execution module includes a relay and a contactor. The relay is used to control the on / off of a low-power circuit, and the contactor is used to control the on / off of a high-power circuit. The main control module generates a control instruction according to the processing result and controls the power equipment through the control execution module;

[0081] The human-machine interaction module includes a display screen and buttons. The display screen is used to display the real-time data, device status, and operation prompt information of the power system, and the buttons are used for users to input operation instructions to implement the configuration and control of the device;

[0082] The power management module includes a battery, a charging management unit, and a power conversion unit. The battery serves as a backup power source to provide power support for the device when the external power supply is interrupted. The charging management unit is used to manage the charging of the battery to ensure the safety and normal use of the battery. The power conversion unit is used to convert the external power supply into power supplies with different voltage levels required by the device.

[0083] Among them, the processor uses a multi-core processor with an ARM architecture and has a real-time operating system, which can quickly respond to and process data. The wireless communication unit supports the 5G communication protocol and can achieve high-speed and stable data transmission. The voltage sensor, current sensor, and power sensor use high-precision and high-reliability sensors, and the accuracy of the collected data reaches ±0.1%.

[0084] Among them, the relay and the contactor use fast-acting electromagnetic relays and contactors, and the response time is less than 100ms. The display screen uses a color touch screen with a resolution of not less than 800×480, which has a good visual effect and operation experience. The battery uses a lithium-ion battery with a capacity of not less than 10000mAh, which can provide at least 2 hours of backup power for the device. The device has a self-diagnosis function and can monitor its own working status in real time, and automatically send an alarm signal when a fault occurs.

[0085] Among them, this terminal device supports remote configuration and upgrade functions, can receive remote configuration instructions and software upgrade packages through the communication module, and realizes the remote management and maintenance of the device. It adopts an integrated design, integrating the main control module, communication module, data acquisition module, control execution module, human-machine interaction module, and power management module in a compact housing, with a volume not exceeding 200mm×150mm×100mm. It has a data encryption function to encrypt the collected data and transmitted data to ensure the security and privacy of the data. Its operation interface adopts a graphical design, which is simple and intuitive, and users can easily operate without professional knowledge.

[0086] Example 1:

[0087] Convenience test in a home scenario

[0088] Zero-configuration network access test

[0089] Test method: Samples: 100 household users, equipped with the terminal of the present invention (model: DRT-01) and traditional terminals (a mainstream brand, which requires manual configuration).

[0090] Steps:

[0091] 1. Power on the terminal and record the time from power-on to successful grid connection.

[0092] 2. The traditional terminal needs to complete: IP setting → baud rate selection → slave address configuration → communication test (a total of 17 steps).

[0093] Test data

[0094]

[0095] Example 2: Industrial scenario response speed test

[0096] 2.1 Actual measurement of microsecond-level response

[0097] Test platform

[0098] Equipment: The terminal of the present invention (integrated with an SoC chip), oscilloscope (Tektronix MSO58), programmable AC power supply (Chroma 61507).

[0099] Test load: 10kW resistive load + 5kW inductive load

[0100] Test results

[0101] Four-level response link time distribution:

[0102] [[ID=…]]

[0103] End-to-end total delay: 47μs (meeting the IEEE 2030.5 Class A standard).

[0104] Through actual tests, the intelligent power demand response terminal device of the present invention performs excellently in the following aspects:

[0105] 1. Response time: The response time from data acquisition to control execution is less than 200ms, far lower than the response time of existing similar devices.

[0106] 2. Data acquisition accuracy: The acquisition accuracy of voltage, current and power reaches ±0.1%, which can accurately reflect the operation status of the power system.

[0107] 3. Communication stability: In different communication environments, the packet loss rate of data transmission is less than 1%, ensuring reliable data transmission.

[0108] 4. Operational convenience: After user testing, users can master the operation method of the device within a short time, and the operation success rate reaches over 95%.

[0109] The present invention integrates multiple functional modules into a compact device, reducing the volume and power consumption of the device, lowering the installation and usage costs. By adopting a high-performance processor and a control execution element with fast action, it can respond to changes in the power system within a short time, improving the efficiency of power distribution. It has a data encryption function to ensure the security and privacy of the collected and transmitted data, supports multiple wireless and wired communication protocols, and can interact with different external devices, enhancing the versatility and compatibility of the device.

[0110] Through three core designs of innovative hardware interaction, intelligent software guidance, and one-key function aggregation, the power demand response terminal has achieved a leap from a "professional tool" to a "consumer-grade product". This device is more convenient to operate, plug-and-play, laying a user foundation for the large-scale popularization of demand response technology.

[0111] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. An intelligent terminal device for power demand response, characterized in that: It includes a main control module, a communication module, a data acquisition module, a control execution module, a human-machine interaction module, and a power management module; The main control module includes a processor, a memory, and a storage unit. The processor uses a high-performance and low-power multi-core processor, which is used to process, analyze, and make decisions on the collected data. The memory is used to temporarily store operation data, and the storage unit is used to store historical data, configuration information, and program code for a long time; The communication module includes a wireless communication unit and a wired communication unit. The wireless communication unit supports multiple wireless communication protocols and is used for wireless data transmission with external devices. The wired communication unit supports Ethernet and serial communication methods and is used for wired connection and data interaction with other devices; The data acquisition module includes a voltage sensor, a current sensor, and a power sensor. The voltage sensor is used to collect the voltage value of the power system in real time. The current sensor is used to collect the current value of the power system in real time. The power sensor is used to collect the power value of the power system in real time. The collected data is transmitted to the main control module for processing; The control execution module includes a relay and a contactor. The relay is used to control the on / off of a low-power circuit, and the contactor is used to control the on / off of a high-power circuit. The main control module generates a control instruction according to the processing result and controls the power equipment through the control execution module; The human-machine interaction module includes a display screen and buttons. The display screen is used to display the real-time data, device status, and operation prompt information of the power system. The buttons are used for users to input operation instructions to implement the configuration and control of the device; The power management module includes a battery, a charging management unit, and a power conversion unit. The battery serves as a backup power source and provides power support for the device when the external power supply is interrupted. The charging management unit is used to manage the charging of the battery to ensure the safety and normal use of the battery. The power conversion unit is used to convert the external power supply into power supplies of different voltage levels required by the device.

2. The intelligent terminal device for power demand response according to claim 1, characterized in that: The processor uses a multi-core processor with an ARM architecture. The wireless communication unit supports the 5G communication protocol and can achieve high-speed and stable data transmission.

3. An intelligent terminal device for power demand response according to claim 1, characterized in that: The accuracy of the collected data of the voltage sensor, current sensor, and power sensor reaches ±0.1%.

4. The intelligent terminal device for power demand response according to claim 1, characterized in that: The relay and contactor use fast-acting electromagnetic relays and contactors, and the response time is less than 100ms. The display screen uses a color touch screen with a resolution of not less than 800×480.

5. The intelligent terminal device for power demand response according to claim 1, wherein: The battery uses a lithium-ion battery with a capacity of not less than 10000mAh and can provide at least 2 hours of backup power for the device. The device has a self-diagnosis function and can monitor its own working status in real time and automatically send an alarm signal when a fault occurs.

6. The intelligent terminal device for power demand response according to claim 1, characterized in that: The device supports remote configuration and upgrade functions and can receive remote configuration instructions and software upgrade packages through the communication module to achieve remote management and maintenance of the device.

7. The intelligent terminal device for power demand response according to claim 1, characterized in that: The device adopts an integrated design, integrating the main control module, communication module, data acquisition module, control execution module, human-machine interaction module and power management module in a compact housing, with a volume not exceeding 200mm×150mm×100mm.

8. An intelligent terminal device for power demand response according to claim 1, characterized in that: The device has a data encryption function, encrypting the collected data and the transmitted data to ensure data security and privacy. The operation interface of the device adopts a graphical design, which is simple and intuitive, and users can easily operate it without professional knowledge.

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