A vehicle-mounted boiler system and a control method thereof

Abstract

The present application relates to a kind of vehicle-mounted boiler systems and its control method, comprising the following steps: S1, system self-checking is carried out, if self-checking is normal, then enter S2, otherwise, trigger alarm and stop system;S2, the speed of vehicle, engine speed and voltage of vehicle are collected, integrated working condition coefficient is calculated, and the maximum fuel flow and the maximum water pump speed of system are adjusted based on integrated working condition coefficient;S3, initial fuel flow and ignition time are determined based on current ambient temperature, ignition program is executed, and limited retry is carried out when ignition fails;S4, the outlet temperature of circulating medium is collected, the deviation of target outlet temperature is calculated, and PID control parameter is adjusted based on deviation to control outlet temperature.The beneficial effects of the present application are: initial fuel flow and ignition time can be calculated according to ambient temperature to improve ignition success rate, and vehicle operating state parameters can be collected, the maximum fuel flow and water pump speed of system are adjusted based on integrated working condition coefficient.

Description

Technical Field

[0001] This invention relates to the field of boiler technology, and more specifically to a vehicle-mounted boiler system and its control method. Background Technology

[0002] With the increasing demand for vehicle-mounted heating, vehicle-mounted boilers, as core heating equipment, integrate boiler systems onto trucks or trailers to serve the industrial sector.

[0003] In existing technologies, boilers are prone to insufficient ignition energy in low-temperature environments, requiring adjustments to the initial fuel flow and ignition time based on the ambient temperature to improve the ignition success rate. Furthermore, the boiler system operating parameters are not adjusted according to the vehicle's operating status, resulting in insufficient heat exchange efficiency or excessive energy consumption. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this application proposes a vehicle-mounted boiler system and its control method. The system can calculate the initial fuel flow rate and ignition time based on the ambient temperature range to improve the ignition success rate. It can also collect vehicle operating status parameters, calculate the comprehensive operating condition coefficient, and adjust the system's maximum fuel flow rate and water pump speed based on the comprehensive operating condition coefficient to match the system's output power with the vehicle's current operating conditions.

[0005] The following is the technical solution of the present invention: a control method for a vehicle-mounted boiler system, comprising the following steps: S1. Perform a system self-test. If the self-test is normal, proceed to S2; otherwise, trigger an alarm and stop the system. S2. Collect vehicle speed, engine speed and voltage, calculate comprehensive operating condition coefficient, and adjust the system's maximum fuel flow and maximum water pump speed based on the comprehensive operating condition coefficient; S3. Determine the initial fuel flow rate and ignition time based on the current ambient temperature, execute the ignition procedure, and perform a limited number of retries if ignition fails. S4. Collect the outlet temperature of the circulating medium, calculate its deviation from the target outlet temperature, and adjust the PID control parameters based on the deviation to control the outlet temperature.

[0006] As a preferred embodiment of the present invention, S2 includes the following steps: S201. Collect vehicle operating status parameters; S202. Determine the validity of the operating status parameters; S203, Calculate the comprehensive working condition coefficient; S204. Adjust the maximum fuel flow rate and maximum water pump speed of the system based on the comprehensive operating condition coefficient.

[0007] As a preferred embodiment of the present invention, in S203, the comprehensive operating condition coefficient is calculated, and the expression is as follows: In the above formula, This is the comprehensive operating condition coefficient. For vehicle speed, This represents the maximum vehicle speed. Engine speed, This represents the maximum engine speed. For voltage, This is the maximum voltage value. Weighted by vehicle speed, Engine speed weighting, Voltage weighting.

[0008] As a preferred embodiment of the present invention, in S204, the maximum value of fuel flow rate and the maximum value of water pump speed are adjusted based on the comprehensive operating condition coefficient, as expressed below: In the above formula, To adjust the maximum fuel flow rate, This represents the maximum fuel flow rate. To adjust the maximum speed of the water pump. This represents the maximum pump speed. This is the comprehensive operating condition coefficient.

[0009] As a preferred embodiment of the present invention, S3 includes the following steps: S301. Collect and process ambient temperature; S302. Determine the temperature range of the ambient temperature; S303. Calculate the initial fuel flow rate and ignition time based on the ambient temperature range; S304. Execute the ignition procedure and perform a limited number of retries if ignition fails.

[0010] In a preferred embodiment of the present invention, in S302, the temperature range includes: Low temperature range, -20℃; Medium and low temperature range, -20℃ 0℃; normal temperature range 0℃; in, This represents the average ambient temperature.

[0011] In a preferred embodiment of the present invention, in S303, the initial fuel flow rate and ignition time are calculated based on the ambient temperature range, as shown in the following expression: In the above formula, Initial fuel flow rate, As the baseline fuel flow rate, The target ambient temperature, The average ambient temperature, For ambient temperature coefficient, Ignition time, As a reference ignition time, This represents the ignition time coefficient.

[0012] As a preferred embodiment of the present invention, S305 includes the following steps: S3041. Output fuel according to the initial fuel flow rate, and set the ignition time at the same time; S3042, Collect flame intensity; S3043. If the flame intensity is greater than or equal to the flame intensity threshold and lasts for 2 seconds during the ignition time, the ignition is considered successful; if the flame intensity is less than the flame intensity threshold, ignition is attempted again. Each retry increases the initial fuel flow rate by 10% and the ignition time by 0.2s, with a maximum of 3 retry attempts. S3044. If all three retries fail, a buzzer alarm will be triggered and a red light will flash, and the system will shut down.

[0013] As a preferred embodiment of the present invention, S4 includes the following steps: S401, Collect the outlet temperature of the circulating medium; S402. Perform a moving average filter on the collected data; The window size for the moving average filter is 5. S403, Calculate the outlet temperature deviation; S404. Adjust the PID control parameters based on the outlet temperature deviation to control the outlet temperature.

[0014] A vehicle-mounted boiler system, comprising: Fuel supply module, used for fuel storage, filtration and supply; The combustion module is used to atomize the fuel and ignite it for combustion, monitor the flame combustion status, and is connected to the fuel supply module. The heat exchange module is used to transfer the heat generated by the burner to the medium and is connected to the combustion module; The exhaust gas treatment module is used to purify harmful gases and particulate matter in combustion exhaust gas and is connected to the heat exchange module. The control module is used to receive sensor data from each module, execute control algorithms, and send control commands.

[0015] The beneficial effects of this invention are: 1. In this invention, the ambient temperature can be collected and divided into intervals, and the initial fuel flow rate and ignition time can be calculated based on the interval of the ambient temperature to improve the ignition success rate. 2. In this invention, vehicle operating status parameters can be collected, comprehensive operating condition coefficients can be calculated, and the maximum fuel flow rate and water pump speed of the system can be adjusted based on the comprehensive operating condition coefficients so that the system output power matches the current operating condition of the vehicle. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the system of the present invention; Figure 2 This is a flowchart illustrating the control method steps of the present invention; Figure 3 This is a flowchart of the control method of the present invention; In the diagram: 1. Fuel supply module; 2. Combustion module; 3. Heat exchange module; 4. Exhaust gas treatment module; 5. Control module; 6. Power supply module; 7. Safety protection module. Detailed Implementation

[0017] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Example 1 like Figure 1 As shown, a vehicle-mounted boiler system includes: Fuel supply module 1 is used for the storage, filtration and supply of fuel; Combustion module 2 is used to atomize fuel and ignite it for combustion, and to monitor the flame combustion status. It is connected to fuel supply module 1. Heat exchange module 3 is used to transfer the heat generated by the burner to the medium and is connected to combustion module 2; The exhaust gas treatment module 4 is used to purify harmful gases and particulate matter in the combustion exhaust gas and is connected to the heat exchange module 3. Control module 5 is used to receive sensor data from each module, execute control algorithms, and send control commands; Safety protection module 7 is used to monitor system parameters such as pressure and temperature. When overpressure, overtemperature, or fault occurs, it will provide audible and visual alarms and shut down the system. Power module 6 is used to provide power to the system and switch to the backup battery in the event of a power failure.

[0019] In this embodiment, the fuel supply module 1 is used for fuel storage, filtration, and supply, and monitors fuel level, supply flow rate, and filter element status. The fuel supply module 1 includes a fuel tank, a high-pressure oil pump, an electromagnetic flow sensor, a filter valve, and a level sensor. The fuel tank is made of 304 stainless steel and equipped with a surge protector. The filter valve is also made of stainless steel and equipped with a first differential pressure sensor to monitor the filter element's clogging status. The fuel tank outlet is connected to the filter valve inlet via a high-pressure oil pipe. The filter valve outlet is connected to the high-pressure pump inlet via a high-pressure oil pipe. The high-pressure oil pump outlet is connected to the burner nozzle via a high-pressure oil pipe. The electromagnetic flow sensor is connected in series with the high-pressure oil pump outlet pipe, and its signal output is connected to the control module 5. The level sensor is installed inside the fuel tank, and its signal is transmitted to the control module 5.

[0020] In this embodiment, the combustion module 2 is used to atomize fuel, ignite it, and monitor the flame combustion status. The combustion module 2 includes an igniter, a combustion chamber, a flame sensor, and a baffle. The igniter is equipped with a tungsten alloy electrode, the combustion chamber has a ceramic liner, and the outer shell is made of 316 stainless steel with a built-in honeycomb baffle. The burner is located at the hot-side inlet of the heat exchanger, with the nozzle aligned with the center of the combustion chamber. The igniter is positioned at the top of the combustion chamber, and the tungsten alloy electrode extends 5mm into the combustion chamber. A flame sensor is mounted on the side of the combustion chamber, facing the center of the flame. Both the igniter control terminal and the flame sensor are connected to the control module 5.

[0021] In this embodiment, heat exchange module 3 is used to transfer the heat generated by the burner to the medium, and temperature control is achieved by adjusting the medium flow rate and water pump speed. Heat exchange module 3 includes a heat exchanger, a circulating water pump, a temperature sensor, and a flow control valve. The heat exchanger is a plate heat exchanger made of 316L stainless steel, and the temperature sensor is a PT100 platinum resistance thermometer located at the cold side outlet of the heat exchanger. The hot side inlet of the heat exchanger is connected to the flue gas outlet of the combustion chamber, and the hot side outlet is connected to the exhaust gas treatment module 4. The cold side inlet is connected to the system outlet via a circulating water pipe, and the cold side outlet is connected to the system inlet. The flow control valve is connected in series in the cold side pipeline.

[0022] In this embodiment, the exhaust gas treatment module 4 is used to purify harmful gases and particulate matter in the combustion exhaust gas. The exhaust gas treatment module 4 includes a three-way catalytic converter, a particulate filter, and an exhaust temperature sensor. The particulate filter adopts a ceramic honeycomb structure and is equipped with a second differential pressure sensor to monitor the blockage status of the particulate filter. The exhaust temperature sensor uses a K-type thermocouple. The inlet flange of the three-way catalytic converter is connected to the hot-side outlet of the heat exchanger, and the outlet of the three-way catalytic converter is connected to the inlet of the particulate filter. An exhaust temperature sensor is installed on the outlet pipe of the particulate filter. The second differential pressure sensor of the particulate filter is connected in parallel across both ends of the particulate filter, and its signal is connected to the control module 5.

[0023] In this embodiment, the control module 5 is used to receive sensor data from each module, execute control algorithms, send control commands, and store operating data. The control module 5 includes a microcontroller, a CAN bus, a 4G unit, an SD card, and a power supply unit. The CAN bus connects to the electromagnetic flow sensor, liquid level sensor, and first differential pressure sensor of the fuel supply module 1, the flame sensor of the combustion module 2, the temperature sensor and flow control valve of the heat exchange module 3, and the exhaust temperature sensor and second differential pressure sensor of the exhaust gas treatment module 4. It connects to the 4G module via an SPI interface and to the SD card via an SDIO interface. The power supply unit's input is connected to the power supply module 6, and its output supplies power to the MCU and the control circuits of each module.

[0024] In this embodiment, the power module 6 provides power to the system and switches to the backup battery in case of power failure. The power module 6 includes a power interface, a DC-DC converter, a backup battery, and a voltage sensor. The power interface is connected to the input terminal of the DC-DC converter via wires. The output terminal of the DC-DC converter is connected to the control module 5, the fuel supply module 1, the combustion module 2, the heat exchange module 3, and the exhaust gas treatment module 4, respectively. The backup battery is connected in parallel to the output terminal of the DC-DC converter, and the voltage sensor is also connected in parallel to the output terminal of the DC-DC converter.

[0025] In this embodiment, the safety protection module 7 monitors system parameters such as pressure and temperature. When overpressure, overtemperature, or faults occur, it triggers audible and visual alarms and shuts down the system. The safety protection module 7 includes a pressure sensor, a temperature fuse, an explosion-proof valve, a buzzer, and LED indicators. The pressure sensor is located on the hot side of the heat exchanger, the temperature fuse is located outside the combustion chamber, the explosion-proof valve is located on top of the fuel tank, and the LED indicators are tri-color: red indicates a fault, yellow indicates a warning, and green indicates normal operation. The pressure sensor signal terminal is connected to the control module 5, the temperature fuse is connected in series in the burner's power supply circuit, the explosion-proof valve is mechanically mounted on top of the fuel tank, and the buzzer and LED indicators are connected to the output of the control module 5 via a drive circuit.

[0026] Example 2 like Figure 2 and Figure 3 As shown, a control method for a vehicle-mounted boiler system includes the following steps: S1. Perform a system self-test. If the self-test is normal, proceed to S2; otherwise, trigger an alarm and stop the system. S2. Collect vehicle speed, engine speed and voltage, calculate comprehensive operating condition coefficient, and adjust the system's maximum fuel flow and maximum water pump speed based on the comprehensive operating condition coefficient; S3. Determine the initial fuel flow rate and ignition time based on the current ambient temperature, execute the ignition procedure, and perform a limited number of retries if ignition fails. S4. Collect the outlet temperature of the circulating medium, calculate its deviation from the target outlet temperature, and adjust the PID control parameters based on the deviation to control the outlet temperature.

[0027] In step S1, a system self-test is performed. If the self-test is normal, proceed to step S2; otherwise, trigger an alarm and stop the system, including the following steps: S101. Perform system self-test; The power supply module 6 performs voltage detection, the fuel supply module 1 performs sensor calibration, the igniter and flame sensor of the combustion module 2 perform functional testing, the heat exchange module 3 performs temperature sensor and flow control valve calibration, and the exhaust gas treatment module 4 performs sensor testing.

[0028] S102. Receive self-test results; Receive self-test results and initial data from each sensor, where the self-test results include normal and fault conditions.

[0029] S103. If the self-test is normal, proceed to S2; otherwise, trigger an alarm and stop the system. If all modules test normally, proceed to the next step; otherwise, trigger the buzzer alarm and the LED indicator to turn red, upload the fault information, and stop the system.

[0030] In step S2, the vehicle speed, engine speed, and voltage are collected, the comprehensive operating condition coefficient is calculated, and the maximum fuel flow and maximum water pump speed of the system are adjusted based on the comprehensive operating condition coefficient, including the following steps: S201. Collect vehicle operating status parameters; Obtain vehicle operating status parameters, including: vehicle speed Engine speed and power supply voltage .

[0031] S202. Determine the validity of the operating status parameters; The validity of vehicle speed, engine speed, and power supply voltage is assessed to avoid interference from extreme values. Exceeding the maximum speed limit according to Calculate the engine speed. Exceeding the maximum engine speed according to Calculate the power supply voltage. Exceeding the maximum voltage according to calculate.

[0032] S203, Calculate the comprehensive working condition coefficient; The comprehensive working condition coefficient is calculated using the following expression: In the above formula, This is the comprehensive operating condition coefficient. For vehicle speed, This represents the maximum vehicle speed. Engine speed, This represents the maximum engine speed. For voltage, This is the maximum voltage value. Weighted by vehicle speed, Engine speed weighting, Voltage weighting.

[0033] When the vehicle is stationary, the vehicle speed and engine speed All values ​​are 0, at which point the vehicle speed weight is zero. and engine speed weight The voltage weight is 0. , .

[0034] S204. Adjust the maximum fuel flow rate and maximum water pump speed of the system based on the comprehensive operating condition coefficient; Based on comprehensive working condition coefficient Adjust the maximum fuel flow rate and the maximum speed of the water pump The expression is as follows: In the above formula, To adjust the maximum fuel flow rate, This represents the maximum fuel flow rate. To adjust the maximum speed of the water pump. This represents the maximum pump speed. This is the comprehensive operating condition coefficient.

[0035] In step S3, the initial fuel flow rate and ignition time are determined based on the current ambient temperature, the ignition procedure is executed, and a limited number of retries are performed if ignition fails, including the following steps: S301. Collect and process ambient temperature; The ambient temperature is collected by the temperature sensor in heat exchange module 3. Three samples were collected at 0.1s intervals, and the average value was taken as the ambient temperature. .

[0036] S302, Determine the ambient temperature The temperature range in which it is located; like -20℃ is a low temperature range; if -20℃ 0℃ is in the medium to low temperature range. 0℃ is the normal temperature range.

[0037] S303. Calculate the initial fuel flow rate and ignition time based on the ambient temperature range; The initial fuel flow rate is calculated based on the ambient temperature range, as expressed below: In the above formula, Initial fuel flow rate, As the baseline fuel flow rate, The target ambient temperature, The average ambient temperature, Let be the ambient temperature coefficient, where At -20℃ -20℃ At 0℃, , At 0℃, .

[0038] The ignition time is calculated using the following expression: In the above formula, Ignition time, As a reference ignition time, The average ambient temperature, Here, is the ignition time coefficient, where, This represents the ignition coefficient in the low-temperature range.

[0039] S304. Execute the ignition procedure and perform a limited number of retries if ignition fails, including the following steps: S3041, Send instructions to the high-pressure oil pump, according to... It outputs fuel and simultaneously sends an ignition command to the igniter; the ignition time is... ; S3042, The flame sensor collects the flame intensity and feeds back the data to the control module 5 every 0.1s; S3043, Control Module 5 determines the ignition result; if... If the flame intensity is greater than or equal to the flame intensity threshold and lasts for 2 seconds within the specified time, ignition is considered successful. If the flame intensity is less than the flame intensity threshold, ignition is attempted again. Each retry... Increase by 10%, Add 0.2 seconds, retry a maximum of 3 times; S3044. If all three retries fail, record the ignition failure, trigger the buzzer alarm and red light flashing, and shut down the system.

[0040] In step S4, the outlet temperature of the circulating medium is collected, its deviation from the target outlet temperature is calculated, and the PID control parameters are adjusted based on the deviation to control the outlet temperature, including the following steps: S401, Collect the outlet temperature of the circulating medium; Temperature sensor collects the outlet temperature of circulating medium .

[0041] S402. Perform a moving average filter on the collected data; The collected data were filtered using a moving average filter with a window size of 5 to remove noise interference, resulting in the filtered average outlet temperature. .

[0042] S403, Calculate the outlet temperature deviation; The outlet temperature deviation is calculated using the following expression: In the above formula, For the outlet temperature deviation, The average outlet temperature, The target outlet temperature.

[0043] S404. Adjust the PID control parameters based on the outlet temperature deviation to control the outlet temperature; Based on outlet temperature deviation The PID control parameters are adjusted to ensure the outlet temperature reaches the target outlet temperature. Adjusting the PID control parameters based on temperature deviation is a well-known method in the art and is not an improvement upon this invention; therefore, it will not be elaborated upon here.

[0044] In this invention, the ambient temperature can be collected and divided into intervals, and the initial fuel flow rate and ignition time can be calculated based on the ambient temperature interval to improve the ignition success rate; the vehicle operating status parameters can be collected, the comprehensive operating condition coefficient can be calculated, and the maximum fuel flow rate and water pump speed of the system can be adjusted based on the comprehensive operating condition coefficient to match the system output power with the current operating condition of the vehicle, thereby improving the applicability of the vehicle-mounted boiler system.

[0045] Although preferred embodiments of the invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Clearly, those skilled in the art can make various alterations and variations to the invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of equivalents of the invention, the invention is also intended to include these modifications and variations.

Claims

1. A control method for a vehicle-mounted boiler system, characterized in that, Includes the following steps: S1. Perform a system self-test. If the self-test is normal, proceed to S2; otherwise, trigger an alarm and stop the system. S2. Collect vehicle speed, engine speed and voltage, calculate comprehensive operating condition coefficient, and adjust the system's maximum fuel flow and maximum water pump speed based on the comprehensive operating condition coefficient; S3. Determine the initial fuel flow rate and ignition time based on the current ambient temperature, execute the ignition procedure, and perform a limited number of retries if ignition fails. S4. Collect the outlet temperature of the circulating medium, calculate its deviation from the target outlet temperature, and adjust the PID control parameters based on the deviation to control the outlet temperature.

2. The control method for a vehicle-mounted boiler system according to claim 1, characterized in that, S2 includes the following steps: S201. Collect vehicle operating status parameters; S202. Determine the validity of the operating status parameters; S203, Calculate the comprehensive working condition coefficient; S204. Adjust the maximum fuel flow rate and maximum water pump speed of the system based on the comprehensive operating condition coefficient.

3. The control method for a vehicle-mounted boiler system according to claim 2, characterized in that, In S203, the comprehensive working condition coefficient is calculated using the following expression: ， In the above formula, This is the comprehensive operating condition coefficient. For vehicle speed, This represents the maximum vehicle speed. Engine speed, This represents the maximum engine speed. For voltage, This is the maximum voltage value. Weighted by vehicle speed, Engine speed weighting, Voltage weighting.

4. The control method for a vehicle-mounted boiler system according to claim 3, characterized in that, In S204, the maximum fuel flow rate and the maximum pump speed are adjusted based on the comprehensive operating condition coefficient, as expressed below: ， In the above formula, To adjust the maximum fuel flow rate, This represents the maximum fuel flow rate. To adjust the maximum speed of the water pump. This represents the maximum pump speed. This is the comprehensive operating condition coefficient.

5. The control method for a vehicle-mounted boiler system according to claim 1, characterized in that, S3 includes the following steps: S301. Collect and process ambient temperature; S302. Determine the temperature range of the ambient temperature; S303. Calculate the initial fuel flow rate and ignition time based on the ambient temperature range; S304. Execute the ignition procedure and perform a limited number of retries if ignition fails.

6. The control method for a vehicle-mounted boiler system according to claim 5, characterized in that, In S302, the temperature range includes: Low temperature range, -20℃; Medium and low temperature range, -20℃ 0℃; normal temperature range 0℃; in, This represents the average ambient temperature.

7. The control method for a vehicle-mounted boiler system according to claim 5, characterized in that, In S303, the initial fuel flow rate and ignition time are calculated based on the ambient temperature range, as shown in the following expressions: ， In the above formula, Initial fuel flow rate, As the baseline fuel flow rate, The target ambient temperature, The average ambient temperature, For ambient temperature coefficient, Ignition time, As a reference ignition time, This represents the ignition time coefficient.

8. The control method for a vehicle-mounted boiler system according to claim 5, characterized in that, S305 includes the following steps: S3041. Output fuel according to the initial fuel flow rate, and set the ignition time at the same time; S3042, Collect flame intensity; S3043. If the flame intensity is greater than or equal to the flame intensity threshold and lasts for 2 seconds during the ignition time, the ignition is considered successful; if the flame intensity is less than the flame intensity threshold, ignition is attempted again. Each retry increases the initial fuel flow rate by 10% and the ignition time by 0.2s, with a maximum of 3 retry attempts. S3044. If all three retries fail, a buzzer alarm will be triggered and a red light will flash, and the system will shut down.

9. The control method for a vehicle-mounted boiler system according to claim 1, characterized in that, S4 includes the following steps: S401, Collect the outlet temperature of the circulating medium; S402. Perform a moving average filter on the collected data; The window size for the moving average filter is 5. S403, Calculate the outlet temperature deviation; S404. Adjust the PID control parameters based on the outlet temperature deviation to control the outlet temperature.

10. A vehicle-mounted boiler system, applicable to the control method of the vehicle-mounted boiler system according to any one of claims 1-9, characterized in that, include: Fuel supply module, used for fuel storage, filtration and supply; The combustion module is used to atomize the fuel and ignite it for combustion, monitor the flame combustion status, and is connected to the fuel supply module. The heat exchange module is used to transfer the heat generated by the burner to the medium and is connected to the combustion module; The exhaust gas treatment module is used to purify harmful gases and particulate matter in combustion exhaust gas and is connected to the heat exchange module. The control module is used to receive sensor data from each module, execute control algorithms, and send control commands.

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