Intelligent inverter control circuit

Abstract

The utility model provides an intelligent inverter control circuit, and relates to the field of inverters, and the intelligent inverter control circuit comprises an MCU, an output control circuit, a power supply detection circuit, a grounding abnormity alarm circuit, a voltage control circuit, a residual electric quantity detection circuit, and a battery assembly. According to the utility model, the current and voltage of the battery assembly can be monitored through the output control circuit, the power supply detection circuit, the grounding abnormity alarm circuit, the voltage control circuit and the residual electric quantity detection circuit, and the operation state and the working mode of the inverter can be accurately controlled. It is ensured that the inverter can stably and reliably operate under various working conditions; meanwhile, the voltage control circuit and the residual current detection circuit further enhance the anti-interference capability and the safety performance of the inverter; according to the utility model, the operation stability and the safety performance of the inverter are improved, the intelligence and the maintainability are enhanced, and the energy consumption cost and the maintenance cost are reduced.

Description

Technical Field

[0001] The present application relates to the field of inverters, and in particular to an intelligent inverter control circuit. Background Art

[0002] With the rapid development of power electronics technology, inverters, as essential devices for power conversion, have been widely used in various fields, including power systems, renewable energy generation, motor drives, and household appliances. The inverter's primary function is to convert direct current (DC) into alternating current (AC) to meet the power needs of various devices. As the core component of the inverter, the inverter control circuit's performance directly determines the inverter's conversion efficiency, stability, and reliability.

[0003] However, traditional inverter control circuits often suffer from design issues such as single functionality, low integration, and complex debugging, making them difficult to meet modern industry's demands for high-performance, high-reliability, and intelligent control. Therefore, in-depth research and optimization of inverter control circuits are necessary to improve their overall performance. Summary of the Invention

[0004] The purpose of the embodiments of the present application is to provide an intelligent inverter control circuit that can solve the above-mentioned technical problems.

[0005] An embodiment of the present application provides an intelligent inverter control circuit, including an MCU, an output control circuit, a power detection circuit, a grounding anomaly alarm circuit, a voltage control circuit, a remaining power detection circuit, and a battery assembly. The MCU is responsible for receiving and processing data from various sensors, and controlling the working state of the inverter according to a preset algorithm or program; the output control circuit is responsible for controlling the power parameters output by the inverter. Through the control signal of the MCU, the output control circuit can adjust the output of the inverter; the power detection circuit is used to monitor the status of the input power in real time. When the input power is abnormal, the power detection circuit will immediately send an alarm signal to the MCU; the grounding anomaly alarm circuit is responsible for detecting whether the grounding state of the inverter is normal; the voltage control circuit is used to accurately control the voltage level of the inverter output. Through the instructions of the MCU, the voltage control circuit can adjust the output voltage; the remaining power detection circuit is used to detect the remaining power of the battery assembly and send the detection signal to the MCU.

[0006] Preferably, the intelligent inverter control circuit further includes a fan control circuit, an input end of the fan control circuit is electrically connected to the MCU, and an output end of the fan control circuit is externally connected to a fan.

[0007] Preferably, the model of the MCU is QFP100.

[0008] Preferably, the remaining power detection circuit includes a processor U1, a remaining circuit test circuit, and a CT test circuit. The model of the processor U1 is TQFP48. The output end of the remaining circuit test circuit and the output end of the CT test circuit are both electrically connected to the processor U1. The input end of the remaining circuit test circuit and the input end of the CT test circuit are both electrically connected to the battery assembly. The processor U1 is electrically connected to the MCU.

[0009] Preferably, the voltage control circuit includes multiple voltage detection modules, and the multiple voltage detection modules are electrically connected to the output control circuit, the power supply detection circuit, the grounding abnormality alarm circuit, the remaining power detection circuit, and the battery assembly respectively.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides an intelligent inverter control circuit, including an MCU, an output control circuit, a power detection circuit, a grounding anomaly alarm circuit, a voltage control circuit, a remaining power detection circuit, and a battery assembly. The MCU is responsible for receiving and processing data from various sensors and controlling the working state of the inverter according to a preset algorithm or program; the output control circuit is responsible for controlling the power parameters output by the inverter. Through the control signal of the MCU, the output control circuit can adjust the output of the inverter; the power detection circuit is used to monitor the status of the input power in real time. When the input power is abnormal, the power detection circuit will immediately send an alarm signal to the MCU; the grounding anomaly alarm circuit is responsible for detecting whether the grounding state of the inverter is normal; the voltage control circuit is used to accurately control the output of the inverter. Voltage level, through the instruction of MCU, the voltage control circuit can adjust the output voltage; the remaining power detection circuit is used to detect the remaining power of the battery assembly and send the detection signal to the MCU. The utility model can monitor the current and voltage of the battery assembly through the output control circuit, power detection circuit, grounding abnormality alarm circuit, voltage control circuit, and remaining power detection circuit. The utility model can accurately control the operating state and working mode of the inverter to ensure that the inverter can operate stably and reliably under various working conditions; at the same time, the voltage control circuit and the residual current detection circuit further enhance the anti-interference ability and safety performance of the inverter; the utility model not only improves the operating stability and safety performance of the inverter, but also enhances the intelligence and maintainability, and reduces energy consumption and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 This is the MCU circuit diagram of the utility model;

[0014] Figure 2 This is the output control circuit diagram of the utility model;

[0015] Figure 3 This is the power detection circuit diagram of the utility model;

[0016] Figure 4 This is the grounding abnormality alarm circuit diagram of the utility model;

[0017] Figure 5 This is a voltage control circuit diagram of the utility model;

[0018] Figure 6 This is the remaining power detection circuit diagram of the utility model;

[0019] Figure 7 This is the fan control circuit diagram of the present utility model. DETAILED DESCRIPTION

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0023] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended only to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0025] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0026] like Figure 1-6As shown, an intelligent inverter control circuit includes an MCU, an output control circuit, a power detection circuit, a grounding anomaly alarm circuit, a voltage control circuit, a remaining power detection circuit, and a battery assembly. The MCU is responsible for receiving and processing data from various sensors and controlling the working state of the inverter according to a preset algorithm or program; the output control circuit is responsible for controlling the power parameters output by the inverter. Through the control signal of the MCU, the output control circuit can adjust the output of the inverter; the power detection circuit is used to monitor the status of the input power in real time. When the input power is abnormal, the power detection circuit will immediately send an alarm signal to the MCU; the grounding anomaly alarm circuit is responsible for detecting whether the grounding state of the inverter is normal; the voltage control circuit is used to accurately control the voltage level of the inverter output. The voltage control circuit can adjust the output voltage through the instruction of the MCU; the remaining power detection circuit is used to detect the remaining power of the battery assembly and send the detection signal to the MCU. The utility model can monitor the current and voltage of the battery assembly through the output control circuit, the power detection circuit, the grounding abnormality alarm circuit, the voltage control circuit, and the remaining power detection circuit. The utility model can accurately control the operating state and working mode of the inverter to ensure that the inverter can operate stably and reliably under various working conditions; at the same time, the voltage control circuit and the residual current detection circuit further enhance the anti-interference ability and safety performance of the inverter; the utility model not only improves the operating stability and safety performance of the inverter, but also enhances the intelligence and maintainability, and reduces energy consumption and maintenance costs.

[0027] like Figure 7 As shown, in this embodiment, the intelligent inverter control circuit also includes a fan control circuit. The input end of the fan control circuit is electrically connected to the MCU, and the output end of the fan control circuit is externally connected to a fan. The introduction of the fan control circuit enables the inverter to automatically adjust the fan speed according to the internal temperature to maintain a suitable operating temperature, thereby extending the service life of the inverter and improving the overall reliability of the system.

[0028] like Figure 1 As shown, specifically, the model of the MCU is QFP100.

[0029] like Figure 6As shown, in this embodiment, the remaining power detection circuit includes a processor U1, a remaining circuit test circuit, and a CT test circuit. The model of the processor U1 is TQFP48. The output end of the remaining circuit test circuit and the output end of the CT test circuit are both electrically connected to the processor U1, and the input end of the remaining circuit test circuit and the input end of the CT test circuit are both electrically connected to the battery assembly. The processor U1 is electrically connected to the MCU. The remaining circuit test circuit and the CT test circuit respectively detect the remaining battery power of the battery assembly and send the detection signal to the MCU through the processor U1.

[0030] like Figure 5 As shown, in this embodiment, the voltage control circuit includes multiple voltage detection modules, and the multiple voltage detection modules are electrically connected to the output control circuit, the power supply detection circuit, the grounding abnormality alarm circuit, the remaining power detection circuit, and the battery assembly respectively. The utility model can detect the voltage of each circuit through the voltage detection module, and transmit the detected voltage to the MCU, so as to quickly repair the circuit with abnormal voltage.

[0031] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. An intelligent inverter control circuit, characterized in that: It includes an MCU, an output control circuit, a power detection circuit, a grounding anomaly alarm circuit, a voltage control circuit, a remaining power detection circuit, and a battery assembly. The MCU is responsible for receiving and processing data from various sensors and controlling the working status of the inverter according to a preset algorithm or program; the output control circuit is responsible for controlling the power parameters output by the inverter. Through the control signal of the MCU, the output control circuit can adjust the output of the inverter; the power detection circuit is used to monitor the status of the input power in real time. When the input power is abnormal, the power detection circuit will immediately send an alarm signal to the MCU; the grounding anomaly alarm circuit is responsible for detecting whether the grounding status of the inverter is normal; the voltage control circuit is used to accurately control the voltage level of the inverter output. Through the instructions of the MCU, the voltage control circuit can adjust the output voltage; the remaining power detection circuit is used to detect the remaining power of the battery assembly and send the detection signal to the MCU.

2. The intelligent inverter control circuit according to claim 1, characterized in that: The intelligent inverter control circuit further includes a fan control circuit, an input end of the fan control circuit is electrically connected to the MCU, and an output end of the fan control circuit is externally connected to a fan.

3. The intelligent inverter control circuit according to claim 1, characterized in that: The model of the MCU is QFP100.

4. The intelligent inverter control circuit according to claim 1, characterized in that: The remaining power detection circuit includes a processor U1, a remaining circuit test circuit, and a CT test circuit. The model of the processor U1 is TQFP48. The output end of the remaining circuit test circuit and the output end of the CT test circuit are both electrically connected to the processor U1. The input end of the remaining circuit test circuit and the input end of the CT test circuit are both electrically connected to the battery assembly. The processor U1 is electrically connected to the MCU.

5. The intelligent inverter control circuit according to claim 1, characterized in that: The voltage control circuit includes multiple voltage detection modules, and the multiple voltage detection modules are electrically connected to the output control circuit, the power detection circuit, the grounding abnormality alarm circuit, the remaining power detection circuit, and the battery assembly respectively.

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