Intelligent load balancing device of gas generator set

Abstract

The utility model discloses an intelligent load balancing device of a gas generator set. Comprising a sensor monitoring module used for monitoring the running state of a methane sensor on the gas generator set, a data verification and error correction module used for verifying and verifying the accuracy of collected data and carrying out error correction, a redundancy sensor module used for receiving data of the gas generator set, and a monitoring module used for monitoring the running state of the methane sensor on the gas generator set. The data caching and processing module is used for storing and processing the acquired data, and the load balancing module is used for balancing the load of the generator set. According to the utility model, the running state of the methane sensor on the generator set is subjected to acquisition, inspection, error correction, redundancy, storage and load balancing; the methane data of the biogas at the front end of the generator set is acquired in real time, and load balancing is performed when the methane content fluctuates, so that the occurrence of tripping events of the generator set caused by the change of the methane content in the biogas is greatly reduced, and the stability and reliability of the generator set are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas generator set control, in particular to an intelligent load balancing device for a gas generator set. Background Art

[0002] Intelligent load balancing of gas generator sets is a technology that monitors, manages and distributes loads through intelligent control systems. Its goal is to evenly distribute loads among multiple gas generator sets to improve the efficiency and reliability of the power generation system. Intelligent load balancing systems usually monitor relevant parameters such as the power output, load demand, current and frequency of the generator sets, and automatically adjust the load distribution between the generator sets based on these data.

[0003] In the biogas power generation industry, generator sets often experience tripping failures. One of the important reasons is that the methane content in the biogas fluctuates instantly. It is usually unrealistic to prevent tripping by manually adjusting the unit power. Therefore, we need to propose a gas generator set intelligent load balancing device to solve the above problems. It can collect biogas methane data at the front end of the generator set in real time, balance the load when the methane content fluctuates, and greatly reduce the occurrence of generator set tripping due to changes in methane content in biogas. Utility Model Content

[0004] The purpose of the utility model is to provide an intelligent load balancing device for a gas-fired generator set, which can collect biogas methane data at the front end of the generator set in real time, balance the load when the methane content fluctuates, and greatly reduce the occurrence of generator set tripping events caused by changes in methane content in biogas, so as to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent load balancing device for a gas generator set, comprising a sensor monitoring module for monitoring the operating status of a methane sensor on a gas generator set, a data checking and error correction module for verifying and checking the accuracy of collected data and performing error correction, a redundant sensor module for gas generator set data, a data cache and processing module for receiving, storing and processing collected data, and a load balancing module for load balancing the generator set, wherein the sensor monitoring module is electrically connected to the data checking and error correction module, the data checking and error correction module and the redundant sensor module are both electrically connected to the data cache and processing module, and the data cache and processing module is electrically connected to the load balancing module.

[0006] Preferably, the sensor monitoring module includes an amplifier U1 and an amplifier U2, a resistor R2 is connected between the output end and the negative end of the amplifier U1, the negative end of the amplifier U1 is connected to the resistor R1, one end of the resistor R1 is connected to diodes VD1 and VD2 arranged in series, the positive end of the amplifier U1 is respectively connected to a resistor R4 and a resistor R3 with one end grounded, one end of the resistor R4 is connected to one end of the diode VD1, the connection end of the resistor R4 and the diode VD1 is connected to a transistor Q1, the output end of the amplifier U1 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to a resistor R5, one end of the resistor R5 is connected to a diode D3, one end of the diode D3 is connected to the positive end of the amplifier U2, and the positive end of the amplifier U2 is connected to a resistor R6, one end of the resistor R6 is connected to one end of the diode VD1.

[0007] Preferably, the data checking and error correction module includes an operational amplifier U10 of model OP1177, the output end of the operational amplifier U10 is connected to a resistor R21 and a capacitor C10 whose one end is connected to the output terminal, one end of the resistor R21 is connected to the negative terminal of the operational amplifier U10, the negative terminal of the operational amplifier U10 is also connected to a resistor R11 and a capacitor C1 arranged in series, and the positive terminal of the operational amplifier U10 is respectively connected in parallel with a resistor R7, a capacitor C2 and a resistor R10.

[0008] Preferably, the redundant sensor module comprises a plurality of redundant sensors connected to the gas generator set, and the plurality of redundant sensors are connected in parallel.

[0009] Preferably, the redundant sensor includes a sensing chip U3, a transistor Q4, a transistor Q5, a transistor Q3 and a transistor Q6, one end of the sensing chip U3 is connected to a diode D3 and a diode D4 arranged in series, one end of the diode D4 is connected in parallel to a resistor R33, a resistor R32 and a resistor R31, one end of the resistor R31 is connected to the collector of the transistor Q5 and the base of the transistor Q6, the emitter of the transistor Q5 is connected to the emitter of the transistor Q4 and the collector of the transistor Q3, the emitter of the transistor Q6 is connected to a resistor R35, one end of the resistor R35 and the emitter of the transistor Q3 are both grounded, the base of the transistor Q3 is connected to a diode D7, one end of the diode D7 is connected to a diode D6 and a diode D5 arranged in series, and one end of the diode D5 is connected to the other end of the sensing chip U3.

[0010] Preferably, the data cache and processing module includes a data comparator, a controller, a data fusion device, a data processor and a memory. The data comparator is respectively connected to the redundant sensor and the operational amplifier U10, the controller is respectively connected to one end of the data comparator and the data fusion device, the other end of the fusion device is connected to one end of the data processor, and the other end of the data processor is connected to one end of the memory.

[0011] Preferably, the load balancing module includes a load balancer, and the load balancer includes an amplifier U2A and an amplifier U2B. The four pins of the amplifier U2A are connected in parallel to a capacitor C14 with one end grounded, a resistor R71 and a resistor R41. One end of the resistor R41 is connected to a diode D15, one end of the diode D15 is connected to a resistor R16 with one end grounded, the other end of the resistor R16 is connected to a transistor Q11, the emitter of the transistor Q11 is connected to a resistor R21, and one end of the resistor R21 is connected to There is a resistor R31, one end of which is connected to resistors R51 and R61 which are arranged in series, and the connecting end of the resistors R51 and R61 is connected to a diode U11, the six pins of the amplifier U2B are connected to the two pins of the amplifier U2A, the five pins of the amplifier U2B are connected to a resistor R8, a resistor R9 with one end grounded, and a capacitor C21, the output end of the amplifier U2A and the output end of the amplifier U2B are connected to an adder U34, and the output end of the adder U34 is connected to a transistor Q23.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model collects, inspects, corrects errors, redundancy, stores and load balances the operating status of the methane sensor on the generator set through the cooperation of the sensor monitoring module, the data inspection and error correction module, the redundant sensor module, the data cache and processing module and the load balancing module, so as to realize the real-time collection of biogas methane data at the front end of the generator set, balance the load when the methane content fluctuates, greatly reduce the occurrence of generator set tripping events caused by changes in the methane content in the biogas, and improve the stability and reliability of the generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a system block diagram of the utility model;

[0015] Figure 2 This is the circuit diagram of the sensor monitoring module of the utility model;

[0016] Figure 3 This is a circuit diagram of a data checking and error correction module of the utility model;

[0017] Figure 4This is a circuit diagram of a redundant sensor of the utility model;

[0018] Figure 5 This is a circuit diagram of a load balancer of the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 The utility model provides a technical solution: an intelligent load balancing device for a gas generator set, comprising a sensor monitoring module for monitoring the operating status of a methane sensor on a gas generator set, a data inspection and error correction module for verifying and checking the accuracy of collected data and performing error correction, a redundant sensor module for the gas generator set data, a data cache and processing module for receiving, storing and processing collected data, and a load balancing module for load balancing the generator set. The sensor monitoring module is electrically connected to the data inspection and error correction module, the data inspection and error correction module and the redundant sensor module are both electrically connected to the data cache and processing module, and the data cache and processing module is electrically connected to the load balancing module. Before work, a methane sensor specifically used for detecting the methane content needs to be installed on the gas pipeline at the front end of the generator set, and the methane sensor should be located before the biogas enters the generator set.

[0021] like Figure 2 As shown, the sensor monitoring module includes an amplifier U1 and an amplifier U2, a resistor R2 is connected between the output end and the negative end of the amplifier U1, the negative end of the amplifier U1 is connected to the resistor R1, one end of the resistor R1 is connected to diodes VD1 and VD2 arranged in series, the positive end of the amplifier U1 is respectively connected to a resistor R4 and a resistor R3 with one end grounded, one end of the resistor R4 is connected to one end of the diode VD1, the connection end of the resistor R4 and the diode VD1 is connected to a transistor Q1, the output end of the amplifier U1 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to a resistor R5, one end of the resistor R5 is connected to a diode D3, one end of the diode D3 is connected to the positive end of the amplifier U2, and the positive end of the amplifier U2 is connected to a resistor R6, one end of the resistor R6 is connected to one end of the diode VD1, and a sensor monitoring module is used to connect to the methane sensor to monitor the operating status of the sensor and collect real-time methane content data.

[0022] like Figure 3As shown, the data verification and error correction module includes an operational amplifier U10 of model OP1177, the output end of the operational amplifier U10 is connected to a resistor R21 and a capacitor C10 whose one end is connected to the output terminal, one end of the resistor R21 is connected to the negative terminal of the operational amplifier U10, the negative terminal of the operational amplifier U10 is also connected to a resistor R11 and a capacitor C1 arranged in series, and the positive terminal of the operational amplifier U10 is respectively connected in parallel with a resistor R7, a capacitor C2 and a resistor R10, and the data verification and error correction module needs to verify and check the collected methane content data to ensure the accuracy of the data. A data verification and error correction module is used to process the collected data, eliminate abnormal data, and correct possible errors.

[0023] The redundant sensor module includes multiple redundant sensors connected to the gas generator set, and the multiple redundant sensors are connected in parallel. Figure 4 As shown, the redundant sensor includes a sensing chip U3, a transistor Q4, a transistor Q5, a transistor Q3 and a transistor Q6. One end of the sensing chip U3 is connected to a diode D3 and a diode D4 arranged in series. One end of the diode D4 is connected in parallel with a resistor R33, a resistor R32 and a resistor R31. One end of the resistor R31 is connected to the collector of the transistor Q5 and the base of the transistor Q6. The emitter of the transistor Q5 is connected to the emitter of the transistor Q4 and the collector of the transistor Q3. The emitter of the transistor Q6 is connected to a resistor R35. One end of the resistor R35 and the emitter of the transistor Q3 are both grounded. The base of the transistor Q3 is connected to a diode D7. One end of the diode D7 is connected to a diode D6 and a diode D5 arranged in series. One end of the diode D5 is connected to the other end of the sensing chip U3. The model of the sensing chip U3 is a DS1624 chip. To ensure the reliability of the data, the data of multiple redundant sensors can be compared and calibrated to ensure the consistency and accuracy of the data.

[0024] The data cache and processing module includes a data comparator, a controller, a data fusion device, a data processor and a memory. The data comparator is respectively connected to the redundant sensor and the operational amplifier U10, the controller is respectively connected to one end of the data comparator and the data fusion device, the other end of the fusion device is connected to one end of the data processor, the other end of the data processor is connected to one end of the memory, and the data comparator connects the data comparator to the redundant sensor and the operational amplifier U10. The data comparator receives and compares the methane content data from multiple redundant sensors and operational amplifier U10. The controller receives the comparison result from the data comparator and decides how to process the data according to the preset logic control rules. The data fusion device receives the instruction from the controller and the compared methane content data and fuses them into a set of consistent data. The data processor receives the fused methane content data and further processes, analyzes or calculates it to meet specific needs. The storage device can be a memory or a database for receiving and persisting the processed methane content data for subsequent reference, analysis or use. Through the above connection configuration, the data cache and processing module can receive multiple groups of methane content data from redundant sensors, and after comparison, control, fusion, processing and storage, it can realize the reception, storage and processing of the collected methane content data, ensure the consistency and accuracy of the data, and provide a reliable data basis for subsequent analysis and application.

[0025] The load balancing module includes a load balancer, such as Figure 5 As shown, the load balancer includes an amplifier U2A and an amplifier U2B. The four pins of the amplifier U2A are connected in parallel with a capacitor C14 with one end grounded, a resistor R71 and a resistor R41. One end of the resistor R41 is connected to a diode D15. One end of the diode D15 is connected to a resistor R16 with one end grounded. The other end of the resistor R16 is connected to a transistor Q11. The emitter of the transistor Q11 is connected to a resistor R21. One end of the resistor R21 is connected to a resistor R31. One end of the resistor R31 is connected to resistors R51 and R61 arranged in series. The resistor R The connection end of 51 and resistor R61 is connected to diode U11, the six pins of amplifier U2B are connected to the two pins of amplifier U2A, the five pins of amplifier U2B are connected to resistor R8, resistor R9 with one end grounded and capacitor C21, the output end of amplifier U2A and the output end of amplifier U2B are connected to adder U34, the output end of adder U34 is connected to transistor Q23, when the methane content fluctuation is detected, the load balancing module can adjust the load distribution of the generator set according to the change of methane content, so that the working state of each generator set is more balanced. This helps to reduce the occurrence of generator set tripping events caused by changes in methane content.

[0026] In summary, by sequentially collecting, testing, correcting errors, redundancy, storing and load balancing the operating status of the methane sensor on the generator set, real-time collection of biogas methane data at the front end of the generator set is achieved. When the methane content fluctuates, the load is balanced, which greatly reduces the occurrence of generator set tripping due to changes in methane content in biogas and improves the stability and reliability of the generator set.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent load balancing device for a gas generator set, characterized in that: It includes a sensor monitoring module for monitoring the operating status of a methane sensor on a gas generator set, a data checking and error correction module for verifying and checking the accuracy of collected data and performing error correction, a redundant sensor module for gas generator set data, a data cache and processing module for receiving, storing and processing collected data, and a load balancing module for load balancing the generator set. The sensor monitoring module is electrically connected to the data checking and error correction module, the data checking and error correction module and the redundant sensor module are both electrically connected to the data cache and processing module, and the data cache and processing module is electrically connected to the load balancing module.

2. The intelligent load balancing device for a gas generator set according to claim 1, characterized in that: The sensor monitoring module includes an amplifier U1 and an amplifier U2, a resistor R2 is connected between the output end and the negative end of the amplifier U1, the negative end of the amplifier U1 is connected to the resistor R1, one end of the resistor R1 is connected to diodes VD1 and VD2 arranged in series, the positive end of the amplifier U1 is respectively connected to a resistor R4 and a resistor R3 with one end grounded, one end of the resistor R4 is connected to one end of the diode VD1, the connection end of the resistor R4 and the diode VD1 is connected to a transistor Q1, the output end of the amplifier U1 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to a resistor R5, one end of the resistor R5 is connected to a diode D3, one end of the diode D3 is connected to the positive end of the amplifier U2, and the positive end of the amplifier U2 is connected to a resistor R6, one end of the resistor R6 is connected to one end of the diode VD1.

3. The intelligent load balancing device for a gas generator set according to claim 2, characterized in that: The data checking and error correction module includes an operational amplifier U10 of model OP1177, the output end of the operational amplifier U10 is connected to a resistor R21 and a capacitor C10 whose one end is connected to the output terminal, one end of the resistor R21 is connected to the negative terminal of the operational amplifier U10, the negative terminal of the operational amplifier U10 is also connected to a resistor R11 and a capacitor C1 arranged in series, and the positive terminal of the operational amplifier U10 is respectively connected in parallel with a resistor R7, a capacitor C2 and a resistor R10.

4. The intelligent load balancing device for a gas generator set according to claim 3 is characterized in that: The redundant sensor module includes a plurality of redundant sensors connected to the gas generator set, and the plurality of redundant sensors are connected in parallel.

5. The intelligent load balancing device for a gas generator set according to claim 4, characterized in that: The redundant sensor includes a sensing chip U3, a transistor Q4, a transistor Q5, a transistor Q3 and a transistor Q6. One end of the sensing chip U3 is connected to a diode D3 and a diode D4 arranged in series. One end of the diode D4 is connected in parallel to a resistor R33, a resistor R32 and a resistor R31. One end of the resistor R31 is connected to the collector of the transistor Q5 and the base of the transistor Q6. The emitter of the transistor Q5 is connected to the emitter of the transistor Q4 and the collector of the transistor Q3. The emitter of the transistor Q6 is connected to a resistor R35. One end of the resistor R35 and the emitter of the transistor Q3 are both grounded. The base of the transistor Q3 is connected to a diode D7. One end of the diode D7 is connected to a diode D6 and a diode D5 arranged in series. One end of the diode D5 is connected to the other end of the sensing chip U3.

6. The intelligent load balancing device for a gas generator set according to claim 5, characterized in that: The data cache and processing module includes a data comparator, a controller, a data fusion device, a data processor and a memory. The data comparator is connected to the redundant sensor and the operational amplifier U10 respectively, the controller is connected to one end of the data comparator and the data fusion device respectively, the other end of the fusion device is connected to one end of the data processor, and the other end of the data processor is connected to one end of the memory.

7. The intelligent load balancing device for a gas generator set according to claim 6, characterized in that: The load balancing module includes a load balancer, which includes an amplifier U2A and an amplifier U2B. The four pins of the amplifier U2A are connected in parallel to a capacitor C14 with one end grounded, a resistor R71 and a resistor R41. One end of the resistor R41 is connected to a diode D15. One end of the diode D15 is connected to a resistor R16 with one end grounded. The other end of the resistor R16 is connected to a transistor Q11. The emitter of the transistor Q11 is connected to a resistor R21. One end of the resistor R21 is connected to a transistor Q11. Resistor R31, one end of the resistor R31 is connected to resistors R51 and R61 arranged in series, the connecting end of the resistors R51 and R61 is connected to a diode U11, the six pins of the amplifier U2B are connected to the two pins of the amplifier U2A, the five pins of the amplifier U2B are connected to a resistor R8, a resistor R9 with one end grounded and a capacitor C21, the output end of the amplifier U2A and the output end of the amplifier U2B are connected to an adder U34, and the output end of the adder U34 is connected to a transistor Q23.

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