Communication system for collecting and controlling power of multi-source system

Abstract

The utility model relates to a communication system for power acquisition and control of a multi-source system. The communication system comprises a data acquisition module, a central processing module, a power control module and a communication module, the data acquisition module is connected with a plurality of power sources through cables and connectors and acquires power data of the power sources; the central processing module is connected with the data acquisition module, receives the power data sent by the data acquisition module, and generates a control instruction and report data according to the power data; the power control module is connected with the central processing module, receives the control instruction and adjusts the output power of the plurality of power sources according to the control instruction; the communication module comprises a first communication module, a second communication module and a third communication module. According to the technical scheme provided by the embodiment of the utility model, by integrating the high-precision voltage sensor, the current sensor, the temperature sensor and the humidity sensor, accurate measurement of power source output and environmental parameters of a multi-source system is realized, and the precision and the stability of the existing communication system are improved.

Description

Technical Field

[0001] This utility model relates to the field of power system technology, and in particular to a communication system for power acquisition and control of multi-source systems. Background Technology

[0002] In recent years, with the rapid development of my country's economy, the demand for electricity has been increasing, the scale of the power grid is constantly expanding, and the construction and maintenance of power grids in complex terrain conditions are also increasing. There are a large number of transmission lines, which are widely distributed and usually cross various complex environments and important facilities such as mountains, rivers, railways, and highways. They are susceptible to damage from various natural and man-made environments, which affects the safety of power supply.

[0003] With the continuous advancement of energy technology and the widespread application of renewable energy, power acquisition and control technology for multi-source systems has gradually become a core issue in the field of energy management. Multi-source systems typically include various types of power sources, such as photovoltaic modules, energy storage batteries, and inverters, which provide power to the system under their respective applicable conditions. To ensure stable system operation and efficient energy utilization, it is necessary to accurately acquire and effectively control the output power of these power sources.

[0004] Traditional power acquisition and control systems often employ a single communication method and simple control strategies, making them ill-suited to the complexity and diversity of multi-source systems. Furthermore, traditional sensors and signal conditioning circuits may not provide sufficiently high accuracy and stability, leading to errors in the acquired power data. Simultaneously, traditional analog-to-digital converters may not meet the demands of high-speed data acquisition, limiting the system's real-time performance.

[0005] In terms of power control, traditional systems often employ a single adjustment method, such as changing voltage or current to regulate output power. This approach may not achieve precise control of the power source. Furthermore, traditional systems also have safety vulnerabilities, such as a lack of effective fault detection and disconnection mechanisms, which could lead to the system continuing to operate under abnormal conditions, causing equipment damage or even safety accidents. Utility Model Content

[0006] (I) Purpose of the utility model

[0007] The purpose of this invention is to provide a communication system for power acquisition and control of multi-source systems. By integrating high-precision voltage sensors, current sensors, temperature sensors, humidity sensors, and photodiodes, it achieves accurate measurement of the power source output and related environmental parameters of the multi-source system, thereby providing accurate data support for the central processing module. This solves the problems of low accuracy and poor stability in existing communication systems, and large errors in the acquired power data.

[0008] (II) Technical Solution

[0009] To address the aforementioned problems, the first aspect of this utility model provides a communication system for power acquisition and control in a multi-source system, comprising:

[0010] Data acquisition module, central processing module, power control module, and communication module;

[0011] The data acquisition module is connected to multiple power sources via cables and connectors to acquire power data from the power sources;

[0012] The central processing module is connected to the data acquisition module, receives power data sent by the data acquisition module, and generates control commands and reporting data based on the power data.

[0013] The power control module is connected to the central processing module, receives the control command, and adjusts the output power of the multiple power sources according to the control command;

[0014] The communication module includes a first communication module, a second communication module, and a third communication module. The first communication module is connected to the data acquisition module and the central processing module and is used to transmit the power data. The second communication module is connected to the central processing module and the power control module and is used to transmit the control commands. The third module is connected to the central processing module and is used to transmit the reported data to the host computer.

[0015] Furthermore, the data acquisition module includes: a voltage sensor, a current sensor, a signal conditioning circuit, and an analog-to-digital converter;

[0016] The voltage sensor and current sensor are used to measure the output voltage and output current of the power source;

[0017] The input terminal of the signal conditioning circuit is connected to the output terminals of the voltage sensor and the current sensor, and is used to process the analog signals collected by the voltage sensor and the current sensor.

[0018] The input terminal of the analog-to-digital converter is connected to the output terminal of the signal conditioning circuit to convert the processed analog signal into a digital signal.

[0019] The output of the analog-to-digital converter is connected to the central processing module.

[0020] Furthermore, the power control module includes a power adjustment unit and a safety protection unit; the control commands include a first control command and a second control command.

[0021] The power regulation unit adjusts the output power of the power source according to the first control command;

[0022] The safety protection unit cuts off the output power of the power source according to the second control command.

[0023] Furthermore, the first control instruction includes a power source output power control instruction, and the second control instruction includes a safety protection program execution instruction.

[0024] Furthermore, the power source includes photovoltaic modules, energy storage batteries, and inverters;

[0025] The inverter includes a controllable switch;

[0026] The power source is connected to the load via a relay.

[0027] Furthermore, the power regulation unit is connected to a controllable switch, and controls the on / off state of the controllable switch according to the first control command;

[0028] The safety protection unit is connected to the relay and controls the relay's on / off state according to the second control command.

[0029] Furthermore, the data acquisition module also includes a temperature sensor and a humidity sensor;

[0030] The temperature sensor and humidity sensor are respectively connected to the signal conditioning circuit.

[0031] Furthermore, the power regulation unit uses a TMS320F28335DSP chip, and the safety protection unit uses an EP4CE6E22C8N chip.

[0032] Furthermore, the temperature sensor used is an LM35 temperature sensor.

[0033] The LM35 temperature sensor includes an ATmega32U4 microcontroller.

[0034] (III) Beneficial Effects

[0035] The above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0036] This utility model provides a communication system for power acquisition and control in a multi-source system, comprising: a data acquisition module, a central processing module, a power control module, and a communication module; the data acquisition module is connected to multiple power sources via cables and connectors to acquire power data from the power sources; the central processing module is connected to the data acquisition module, receives the power data sent by the data acquisition module, and generates control commands and reporting data based on the power data; the power control module is connected to the central processing module, receives the control commands, and adjusts the output power of the multiple power sources according to the control commands; the communication module includes a first communication module, a second communication module, and a third communication module, the first communication module being connected to the data acquisition module and the central processing module for transmitting the power data; the second communication module being connected to the central processing module and the power control module for transmitting the control commands; and the third module being connected to the central processing module for transmitting the reporting data to a host computer.

[0037] The technical solution provided by this utility model integrates a high-precision voltage sensor, current sensor, temperature sensor, humidity sensor, and photodiode to achieve accurate measurement of the power source output and related environmental parameters of a multi-source system, thereby providing accurate data support for the central processing module.

[0038] By employing dedicated power regulation and safety protection units, precise regulation and rapid response to the output power of multiple power sources are achieved, thereby optimizing energy utilization efficiency and system operational stability. The rapid response mechanism of the safety protection unit, such as controlling relays and inverter switches, promptly cuts off the output of abnormal power sources, preventing system damage and safety accidents. Attached Figure Description

[0039] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0040] Figure 1 This is a schematic diagram of the overall structure of the communication system for power acquisition and control of a multi-source system according to this utility model. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0042] It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in one or more embodiments of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.

[0043] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings. An embodiment of this utility model provides a communication system for power acquisition and control in a multi-source system. Figure 1 This is a schematic diagram of the overall structure of the communication system used for power acquisition and control in a multi-source system, as shown below. Figure 1 As shown, the communication system for power acquisition and control in a multi-source system includes:

[0044] Data acquisition module, central processing module, power control module, and communication module;

[0045] The data acquisition module connects to multiple power sources via cables and connectors to collect power data from the power sources;

[0046] The central processing module is connected to the data acquisition module, receives the power data sent by the data acquisition module, and generates control commands and reports data based on the power data;

[0047] The power control module is connected to the central processing module, receives control commands, and adjusts the output power of multiple power sources according to the control commands.

[0048] The power sources include photovoltaic modules, energy storage batteries, and inverters;

[0049] Inverters include controllable switches;

[0050] The power source is connected to the load via a relay.

[0051] Photovoltaic modules are used to convert solar energy into electrical energy under sunlight conditions.

[0052] Energy storage batteries are used to store the electrical energy generated by photovoltaic modules;

[0053] Inverters are used to convert the direct current (DC) generated by photovoltaic modules into alternating current (AC) to supply loads or connect to the power grid.

[0054] like Figure 1 As shown, the data acquisition module includes: a voltage sensor, a current sensor, a signal conditioning circuit, and an analog-to-digital converter;

[0055] Voltage and current sensors are used to measure the output voltage and output current of a power source.

[0056] The input terminal of the signal conditioning circuit is connected to the output terminals of the voltage sensor and the current sensor. It is used to process the analog signals collected by the voltage sensor and the current sensor. Through the signal conditioning circuit, the analog signals collected by the sensor are filtered, amplified, isolated and other processed, which improves the signal quality and reduces noise interference.

[0057] The input terminal of the analog-to-digital converter is connected to the output terminal of the signal conditioning circuit to convert the processed analog signal into a digital signal. Using a high-resolution analog-to-digital converter, the analog signal is converted into a digital signal, which facilitates the processing and analysis by the central processing module.

[0058] The output of the analog-to-digital converter is connected to the central processing module.

[0059] As a preferred embodiment,

[0060] The data acquisition module also includes a temperature sensor and a humidity sensor;

[0061] The temperature sensor and humidity sensor are respectively connected to the signal conditioning circuit to measure environmental parameters under the current environment;

[0062] Environmental parameters include the current temperature and humidity.

[0063] Preferably, the temperature sensor is an LM35 temperature sensor.

[0064] The LM35 temperature sensor includes an ATmega32U4 microcontroller, which contains a 10-bit analog-to-digital converter with up to 12 multiplexed ADC input channels for connecting to the temperature sensor. It also features multiple general-purpose I / O ports for easy connection to various external devices.

[0065] By integrating high-precision voltage, current, temperature, and humidity sensors, the system can accurately measure the power output and related environmental parameters of the multi-source system, thereby providing accurate data support for the central processing module. It can also monitor environmental parameters such as temperature and humidity in real time, providing the system with more comprehensive operating data so that the power output can be adjusted according to environmental changes.

[0066] like Figure 1 As shown, the power control module includes a power regulation unit and a safety protection unit;

[0067] The control commands include a first control command and a second control command.

[0068] The power regulation unit adjusts the output power of the power source according to the first control command;

[0069] The safety protection unit cuts off the output power of the power source according to the second control command.

[0070] The first control command includes a power source output power control command, and the second control command includes a safety protection program execution command.

[0071] The power regulation unit is connected to the controllable switch and controls the on / off state of the controllable switch according to the first control command;

[0072] The safety protection unit is connected to the relay and controls the relay's on / off state according to the second control command. Through the safety protection unit's rapid response mechanism, such as controlling the switching of the relay and inverter, the output of abnormal power sources is promptly cut off, preventing system damage and safety accidents.

[0073] In one preferred embodiment, the power regulation unit uses a TMS320F28335 DSP chip, and the safety protection unit uses an EP4CE6E22C8N chip. By utilizing high-performance DSP and FPGA chips, complex algorithm processing and real-time control strategies are implemented, thereby improving the system's intelligence level and autonomous decision-making capabilities.

[0074] The communication module includes a first communication module, a second communication module and a third communication module. The first communication module connects the data acquisition module and the central processing module and is used to transmit power data.

[0075] Preferably, the first communication module includes an Ethernet controller and a fiber optic transceiver to ensure high-speed and stable data transmission.

[0076] The second communication module connects the central processing module and the power control module and is used to transmit control commands.

[0077] Preferably, the second communication module includes RS-485 and CAN bus, which has good anti-interference ability and long transmission distance.

[0078] The third module connects to the central processing module and is used to transmit and report data to the host computer.

[0079] Preferably, the third communication module includes a network interface card and a modem, supporting remote data transmission and monitoring.

[0080] By designing communication modules that incorporate multiple communication protocols, such as Ethernet, RS-485, and CAN bus, the flexibility and reliability of data transmission are ensured.

[0081] In a preferred embodiment, the communication module further includes an encryption / decryption unit to ensure the security of transmitted data and prevent unauthorized access, thereby improving communication security.

[0082] In summary, the present invention relates to a communication system for power acquisition and control of a multi-source system, comprising: a data acquisition module, a central processing module, a power control module, and a communication module; the data acquisition module is connected to multiple power sources via cables and connectors to acquire power data from the power sources; the central processing module is connected to the data acquisition module, receives the power data sent by the data acquisition module, and generates control commands and reporting data based on the power data; the power control module is connected to the central processing module, receives the control commands, and adjusts the output power of the multiple power sources according to the control commands; the communication module includes a first communication module, a second communication module, and a third communication module, the first communication module being connected to the data acquisition module and the central processing module for transmitting the power data; the second communication module being connected to the central processing module and the power control module for transmitting the control commands; and the third module being connected to the central processing module for transmitting the reporting data to a host computer.

[0083] The technical solution provided by this utility model integrates a high-precision voltage sensor, current sensor, temperature sensor, humidity sensor, and photodiode to achieve accurate measurement of the power source output and related environmental parameters of a multi-source system, thereby providing accurate data support for the central processing module.

[0084] By employing dedicated power regulation and safety protection units, precise regulation and rapid response to the output power of multiple power sources are achieved, thereby optimizing energy utilization efficiency and system operational stability. The rapid response mechanism of the safety protection unit, such as controlling relays and inverter switches, promptly cuts off the output of abnormal power sources, preventing system damage and safety accidents.

[0085] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A communication system for power acquisition and control in a multi-source system, characterized in that, include: Data acquisition module, central processing module, power control module, and communication module; The data acquisition module is connected to multiple power sources via cables and connectors to acquire power data from the power sources; The central processing module is connected to the data acquisition module, receives power data sent by the data acquisition module, and generates control commands and reporting data based on the power data. The power control module is connected to the central processing module, receives the control command, and adjusts the output power of the multiple power sources according to the control command; The communication module includes a first communication module, a second communication module, and a third communication module. The first communication module is connected to the data acquisition module and the central processing module and is used to transmit the power data. The second communication module is connected to the central processing module and the power control module and is used to transmit the control commands. The third module is connected to the central processing module and is used to transmit the reported data to the host computer.

2. The communication system according to claim 1, characterized in that, The data acquisition module includes: a voltage sensor, a current sensor, a signal conditioning circuit, and an analog-to-digital converter; The voltage sensor and current sensor are used to measure the output voltage and output current of the power source; The input terminal of the signal conditioning circuit is connected to the output terminals of the voltage sensor and the current sensor, and is used to process the analog signals collected by the voltage sensor and the current sensor. The input terminal of the analog-to-digital converter is connected to the output terminal of the signal conditioning circuit to convert the processed analog signal into a digital signal. The output of the analog-to-digital converter is connected to the central processing module.

3. The communication system according to claim 2, characterized in that, The power control module includes a power adjustment unit and a safety protection unit; the control commands include a first control command and a second control command. The power regulation unit adjusts the output power of the power source according to the first control command; The safety protection unit cuts off the output power of the power source according to the second control command.

4. The communication system according to claim 3, characterized in that, The first control instruction includes a power source output power control instruction, and the second control instruction includes a safety protection program execution instruction.

5. The communication system according to claim 1, characterized in that, The power source includes photovoltaic modules, energy storage batteries, and inverters; The inverter includes a controllable switch; The power source is connected to the load via a relay.

6. The communication system according to claim 5, characterized in that, The power regulation unit is connected to a controllable switch and controls the on / off state of the controllable switch according to the first control command; The safety protection unit is connected to the relay and controls the relay's on / off state according to the second control command.

7. The communication system according to claim 5, characterized in that, The data acquisition module also includes a temperature sensor and a humidity sensor; The temperature sensor and humidity sensor are respectively connected to the signal conditioning circuit.

8. The communication system according to claim 4, characterized in that, The power regulation unit uses a TMS320F28335DSP chip, and the safety protection unit uses an EP4CE6E22C8N chip.

9. The communication system according to claim 7, characterized in that, The temperature sensor used is an LM35 temperature sensor. The LM35 temperature sensor includes an ATmega32U4 microcontroller.

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