Air conditioning system control method and device, computer equipment and readable storage medium

Abstract

The invention relates to an air conditioner system control method and device, computer equipment and a readable storage medium. The method comprises the following steps: acquiring an environmental parameter standard interval of the rolling and packaging workshop, an environmental control damp and heat load of an air conditioning system in the rolling and packaging workshop and monitoring information of each part in the air conditioning system; constructing a loss power function by taking the minimum internal loss of the air conditioning system as a target and the environmental parameter standard interval as a constraint condition, and analyzing the loss power function according to the environmental control damp and hot load and each piece of monitoring information to obtain a target air conditioning control parameter set under the target of the minimum internal loss; and according to the target air conditioner control parameter set and the monitoring information of all the components, the air conditioner system is dynamically adjusted. By adopting the method, the energy consumption of the air-conditioning system can be reduced.

Description

Technical Field

[0001] This application relates to the technical field of energy management, and particularly to an air-conditioning system control method, device, computer device, computer-readable storage medium, and computer program product. Background Art

[0002] In the production process of tobacco, there are certain requirements for the environment of the cigarette packing workshop where tobacco is produced. Generally, it is necessary to control the air-conditioning system to adjust the environment of the cigarette packing workshop so that the temperature in the cigarette packing workshop is within the temperature standard range and the humidity in the cigarette packing workshop is within the humidity standard range.

[0003] In the traditional technology, fixed target temperature and target humidity are preset in the controller of the air-conditioning system. The controller automatically adjusts the opening degrees of the valves in the air-conditioning system according to the deviation between the current ambient temperature and the target temperature and the deviation between the current ambient humidity and the target humidity, so that the current ambient temperature in the cigarette packing workshop approaches the target temperature and the current ambient humidity in the cigarette packing workshop approaches the target humidity.

[0004] However, in the traditional technology, directly regulating the air-conditioning system with a constant target temperature and target humidity as the goal will cause large cold loss, heat loss, and humidification loss, and thus lead to high energy consumption of the air-conditioning system. Summary of the Invention

[0005] Based on this, in view of the above technical problems, it is necessary to provide an air-conditioning system control method, device, computer device, computer-readable storage medium, and computer program product.

[0006] In a first aspect, this application provides an air-conditioning system control method, including:

[0007] Obtain the standard range of environmental parameters of the cigarette packing workshop, the environmental control heat and humidity load of the air-conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air-conditioning system;

[0008] Taking the minimum internal loss of the air-conditioning system as the goal and the standard range of environmental parameters as the constraint condition, construct a loss power function, and analyze the loss power function according to the environmental control heat and humidity load and each piece of monitoring information to obtain a set of target air-conditioning control parameters with the minimum internal loss as the goal;

[0009] Dynamically adjust the air-conditioning system according to the set of target air-conditioning control parameters and the monitoring information of each component.

[0010] In one of the embodiments, the obtaining the standard range of environmental parameters of the cigarette packing workshop, the environmental control heat and humidity load of the air-conditioning system, and the monitoring information of each component in the air-conditioning system includes:

[0011] Obtain the standard temperature range and standard humidity range of the cigarette packing workshop to get the standard range of environmental parameters;

[0012] Obtain the structural information of the air conditioning system in the cigarette packing workshop and the monitored values of the wet and dry bulb temperatures, and obtain the measured air volume of the air conditioning system according to the structural information;

[0013] Determine the environmental control heat and humidity load of the air conditioning system according to the monitored values of the wet and dry bulb temperatures and the measured air volume, and obtain the monitoring information of each component in the air conditioning system according to the structural information.

[0014] In one embodiment, the obtaining the measured air volume of the air conditioning system according to the structural information includes:

[0015] Judge whether the structural information contains air volume measuring device information;

[0016] If the structural information does not contain the air volume measuring device information, obtain the measured air volume of the air conditioning system according to the fan pressure difference monitoring data and the fan operation information fed back by the frequency converter;

[0017] If the structural information contains the air volume measuring device information, obtain the measured air volume according to the air volume measuring device information.

[0018] In one embodiment, taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, constructing a loss power function includes:

[0019] Taking the mass internal loss and energy internal loss of the air conditioning system as zero as the target and the standard range of environmental parameters as the constraint condition, construct a first loss power function;

[0020] Taking the minimum energy internal loss of the air conditioning system as the target, and taking the mass internal loss as zero and the standard range of environmental parameters as the constraint conditions, construct a second loss power function;

[0021] Taking the minimum mass internal loss of the air conditioning system as the target, and taking the energy internal loss as zero and the standard range of environmental parameters as the constraint conditions, construct a third loss power function.

[0022] In one embodiment, the loss power function includes a first loss power function, a second loss power function and a third loss power function. According to the environmental control heat and humidity load and each piece of monitoring information, analyze the loss power function to obtain the target air conditioning control parameter set with the minimum internal loss as the target, including:

[0023] According to the environmental control heat and humidity load and each of the monitoring information, respectively analyze the first loss power function, the second loss power function, and the third loss power function to obtain a first air-conditioning control parameter set corresponding to the first loss power function, a second air-conditioning control parameter set corresponding to the second loss power function, and a third air-conditioning control parameter set corresponding to the third loss power function;

[0024] If the first air-conditioning control parameter set exists, determine the first air-conditioning control parameter set as the target air-conditioning control parameter set;

[0025] If the first air-conditioning control parameter set does not exist, determine the target air-conditioning control parameter set from the second air-conditioning control parameter set and the third air-conditioning control parameter set.

[0026] In one embodiment, the second air-conditioning control parameter set includes a minimum energy internal loss value; the third air-conditioning control parameter set includes a minimum mass internal loss value. Determining the target air-conditioning control parameter set from the second air-conditioning control parameter set and the third air-conditioning control parameter set includes:

[0027] Determine whether the minimum energy internal loss value is greater than the minimum mass internal loss value;

[0028] If the minimum energy internal loss value is greater than the minimum mass internal loss value, determine the third air-conditioning control parameter set as the target air-conditioning control parameter set;

[0029] If the minimum energy internal loss value is less than or equal to the minimum mass internal loss value, determine the second air-conditioning control parameter set as the target air-conditioning control parameter set.

[0030] In one embodiment, dynamically adjusting the air-conditioning system according to the target air-conditioning control parameter set and the monitoring information of each component includes:

[0031] If the monitoring information of each component is each valve position feedback information, generate each valve position adjustment instruction according to each valve position feedback information and the target air-conditioning control parameter set;

[0032] Construct a control strategy for the air-conditioning system according to each valve position adjustment instruction, and dynamically adjust the air-conditioning system according to the control strategy;

[0033] If the monitoring information of each component is each environmental monitoring information, generate each component adjustment instruction according to each environmental monitoring information and the target air-conditioning control parameter set;

[0034] Construct a control strategy for the air-conditioning system according to each component adjustment instruction, and dynamically adjust the air-conditioning system according to the control strategy.

[0035] In a second aspect, the present application further provides an air-conditioning system control device, including:

[0036] An acquisition module, configured to acquire the standard range of environmental parameters of the cigarette packing workshop, the environmental control humidity and heat load of the air-conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air-conditioning system;

[0037] A construction module, configured to take the minimum internal loss of the air-conditioning system as the target and the standard range of environmental parameters as the constraint condition to construct a loss power function, and analyze the loss power function according to the environmental control humidity and heat load and each piece of monitoring information to obtain a target air-conditioning control parameter set with the minimum internal loss as the target;

[0038] An adjustment module, configured to dynamically adjust the air-conditioning system according to the target air-conditioning control parameter set and the monitoring information of each component.

[0039] In a third aspect, the present application further provides a computer device, including a memory and a processor. The memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0040] Acquire the standard range of environmental parameters of the cigarette packing workshop, the environmental control humidity and heat load of the air-conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air-conditioning system;

[0041] Take the minimum internal loss of the air-conditioning system as the target and the standard range of environmental parameters as the constraint condition to construct a loss power function, and analyze the loss power function according to the environmental control humidity and heat load and each piece of monitoring information to obtain a target air-conditioning control parameter set with the minimum internal loss as the target;

[0042] Dynamically adjust the air-conditioning system according to the target air-conditioning control parameter set and the monitoring information of each component.

[0043] In a fourth aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the following steps are implemented:

[0044] Acquire the standard range of environmental parameters of the cigarette packing workshop, the environmental control humidity and heat load of the air-conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air-conditioning system;

[0045] Take the minimum internal loss of the air-conditioning system as the target and the standard range of environmental parameters as the constraint condition to construct a loss power function, and analyze the loss power function according to the environmental control humidity and heat load and each piece of monitoring information to obtain a target air-conditioning control parameter set with the minimum internal loss as the target;

[0046] Dynamically adjust the air conditioning system according to the set of target air conditioning control parameters and the monitoring information of each component.

[0047] In a fifth aspect, the present application also provides a computer program product, including a computer program, which when executed by a processor implements the following steps:

[0048] Obtain the standard range of environmental parameters in the cigarette packing workshop, the environmental control humidity and heat load of the air conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air conditioning system;

[0049] Taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, construct a loss power function, and analyze the loss power function according to the environmental control humidity and heat load and each monitoring information to obtain a set of target air conditioning control parameters with the minimum internal loss as the target;

[0050] Dynamically adjust the air conditioning system according to the set of target air conditioning control parameters and the monitoring information of each component.

[0051] The above air conditioning system control method, device, computer device, computer-readable storage medium and computer program product obtain the standard range of environmental parameters in the cigarette packing workshop, the environmental control humidity and heat load of the air conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air conditioning system; taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, construct a loss power function, and analyze the target loss power function according to the environmental control humidity and heat load and each monitoring information to obtain a set of target air conditioning control parameters; generate a control strategy for the air conditioning system according to the set of target air conditioning control parameters and the monitoring information of each component. By using this method, taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, establish a loss power function, and analyze the loss power function, considering the internal loss of the air conditioning system, and give accurate control information, that is, a set of target air conditioning control parameters, when the air conditioning system is at the minimum internal loss. Then, dynamically adjust the air conditioning system through the set of target air conditioning control parameters and each monitoring information, so that the air conditioning system can control the environmental parameters of the cigarette packing workshop to meet the conditions of the standard range of environmental parameters while reducing the internal loss of the air conditioning system, thereby reducing the energy consumption of the air conditioning system. Description of the Drawings

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments of the present application or related technologies. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0053] Figure 1 It is an application environment diagram of the air conditioning system control method in an embodiment;

[0054] Figure 2 It is a schematic flowchart of the air conditioning system control method in an embodiment;

[0055] Figure 3 It is a schematic flowchart of obtaining monitoring information in an embodiment;

[0056] Figure 4 It is a structural diagram of the first type of air conditioning system in an embodiment;

[0057] Figure 5 It is a structural diagram of the second type of air conditioning system in an embodiment;

[0058] Figure 6 It is a structural diagram of the third type of air conditioning system in an embodiment;

[0059] Figure 7 It is a structural diagram of the fourth type of air conditioning system in an embodiment;

[0060] Figure 8 It is a structural diagram of the fifth type of air conditioning system in an embodiment;

[0061] Figure 9 It is a structural diagram of the sixth type of air conditioning system in an embodiment;

[0062] Figure 10 It is a schematic flowchart of obtaining the measured air volume in an embodiment;

[0063] Figure 11 It is a schematic flowchart of constructing the loss power function in an embodiment;

[0064] Figure 12 It is a schematic flowchart of parsing the loss power function in an embodiment;

[0065] Figure 13 It is a schematic flowchart of determining the target air conditioning control parameter set in an embodiment;

[0066] Figure 14 It is a schematic flowchart of adjusting the air conditioning system in an embodiment;

[0067] Figure 15 It is a structural block diagram of the air conditioning system control device in an embodiment;

[0068] Figure 16 It is the internal structural diagram of a computer device in an embodiment. Specific embodiments

[0069] In order to make the objectives, technical solutions and advantages of the present application more clear and understandable, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0070] It should be noted that the terms "first", "second", etc. used in the present application can be used to describe various components, but these components are not limited by these terms. These terms are only used to distinguish the first component from the second component. The terms "including" and "having" used in the present application and any variations thereof are intended to cover non-exclusive inclusion. The term "plurality" used in the present application refers to two or more. The term "and / or" used in the present application refers to one of the solutions or any combination of multiple solutions.

[0071] The air-conditioning system control method provided by the embodiment of the present application is applied to the air-conditioning system 100 as Figure 1 shown. Among them, the air-conditioning system 100 includes a controller 110, an exhaust device 120, a return air device 130, a supply air device 140, a sensor 150, a variable frequency drive 160, a motor 170, an air-conditioning unit 180, and a fresh air device 190. Among them, the sensor 150 includes a temperature sensor 151, a pressure sensor 152, and a flow sensor 153. The air-conditioning unit 180 includes a primary filter 181, a medium filter 182, a surface cooler section 183, a heating section 184, and a humidifying section 185.

[0072] The air-conditioning system 100 can be a primary return air or secondary return air air-conditioning system. The air-conditioning system 100 can have one or more air-conditioning units 180. The air-conditioning unit 180 can be a single-fan, double-fan or multi-fan type. The surface cooler section 183 in the air-conditioning unit 180 can be a direct expansion heat pump evaporator, a water-cooled type or an ethylene glycol-cooled type; the heating section 184 can be a direct expansion heat pump condenser, a hot water type or a steam type; the humidifying section 185 can be steam humidification, spray humidification or spray humidification. The fan in the air-conditioning unit 180 can be a speed-regulating type or a constant-speed type. The surface cooler section 183, the heating section 184, and the humidifying section 185 can be regulated by a regulating valve or other means. The application of the controller 110 is not affected by the changes in the forms of the various sections of the combined air-conditioning unit and the changes in its regulation methods.

[0073] During the production process of tobacco, certain requirements are imposed on the environment of the cigarette packing workshop where the tobacco is produced. Usually, it is necessary to control the air-conditioning system to adjust the environment of the cigarette packing workshop so that the temperature in the cigarette packing workshop is within the temperature standard range and the humidity in the cigarette packing workshop is within the humidity standard range.

[0074] The control system of the process air handling unit in the traditional cigarette making and packing workshop consists of temperature and humidity sensors (temperature sensors and humidity sensors), surface cooling valves, heating valves, humidifying valves, air handling unit air valves, and fan start / stop or speed regulation devices. The temperature and humidity sensors can be located in the supply air, return air, and mixed air sections of each air handling unit. In addition, flow meters for supply and return air are also installed in some air handling units.

[0075] In the traditional technology, fixed target temperature and target humidity are preset in the controller of the air conditioning system. The controller automatically adjusts the opening degrees of the valves in the air conditioning system according to the deviation between the current ambient temperature and the target temperature, and the deviation between the current ambient humidity and the target humidity, so that the current ambient temperature in the cigarette making and packing workshop approaches the target temperature, and the current ambient humidity in the cigarette making and packing workshop approaches the target humidity.

[0076] However, in the traditional technology, directly regulating the air conditioning system with a constant target temperature and target humidity as the goal will cause large losses of cooling capacity, heat, and humidification amount, and thus lead to high energy consumption of the air conditioning system.

[0077] In the actual operation of the air conditioning system, the air valves usually remain in a fixed opening state, and the fans remain in a fixed speed state. Each process air handling unit in the cigarette making and packing workshop where the air conditioning system is located automatically adjusts the opening degrees of the surface cooling valves, heating valves, and humidifying valves according to the deviation between the indoor temperature and humidity values fed back by the return air and the temperature and humidity set values (target temperature and target humidity) in the cigarette making and packing workshop, so as to control the temperature and humidity of the supply air of each unit and achieve the set goals of the temperature and humidity in the cigarette making and packing workshop. The actual environmental control load (the load of the environmental control system) is usually much lower than the design load. Therefore, under the condition that the system (air conditioning system) operates at a constant flow rate, the enthalpy difference and moisture content difference between the actual supply air and return air are significantly lower than the design values, and the ratios of the cooling capacity loss, heat loss, and humidification amount loss caused by the internal mass loss and energy loss to the actual demand will inevitably increase significantly.

[0078] Since the fixed target temperature and target humidity are directly used as the control goals, and the temperature set value is ensured through the combined control of the surface cooling valve and the heating valve, and the humidity set value is further achieved through steam humidification or spray humidification, the traditional process air handling unit in the cigarette making and packing workshop must control the temperature and humidity values below the target values in the surface cooling section to ensure that the subsequent heating section and humidifying section do not lose their control capabilities. This inevitably introduces internal energy loss due to surface cooling and reheating, and internal mass loss due to surface cooling dehumidification and steam (or spray, etc.) humidification.

[0079] The actual environmental control load of the air conditioning system in the cigarette making and packing workshop can be as low as 30% of the designed load. However, the cooling capacity, heating capacity, and humidification capacity consumed due to the internal quality loss and energy heat loss of the air conditioning system can be as high as 1.5 times or even several times the actual demand. When the internal quality loss and energy internal loss of each cigarette making and packing workshop decrease, the required cooling capacity, heating capacity, and humidification capacity all decrease. Especially when both the quality and energy internal losses are zero, the air conditioning system in the cigarette making and packing workshop will achieve on-demand supply of the environmental control load, thereby significantly reducing the comprehensive energy consumption composed of cooling, heating, humidification, and electricity of the air conditioning system. However, in the actual air conditioning system, the air conditioning system in the cigarette making and packing workshop has been operating under the conditions of constant flow rate, high internal quality loss, and energy internal loss. During this process, a large amount of cooling capacity, heating capacity, humidification capacity, and fan power are wasted. Therefore, optimizing and achieving the minimum internal quality loss and energy internal loss of the air conditioning system can significantly reduce the comprehensive energy consumption of the air conditioning system.

[0080] In view of the above traditional technologies, the present application provides an air conditioning system control method, device, controller, computer-readable storage medium, and computer program product. With the minimum internal loss of the air conditioning system as the goal and the standard range of environmental parameters as the constraint condition, a loss power function is established and the loss power function is analyzed. The internal loss of the air conditioning system is considered, and accurate control information, that is, the target air conditioning control parameter set, is given when the air conditioning system is in the minimum internal loss state. Then, the air conditioning system is dynamically adjusted through the target air conditioning control parameter set and each monitoring information, so that the air conditioning system can control the environmental parameters of the cigarette making and packing workshop to meet the conditions of the standard range of environmental parameters while reducing the internal loss of the air conditioning system, thereby reducing the energy consumption of the air conditioning system.

[0081] In an exemplary embodiment, as Figure 2 shown, an air conditioning system control method is provided. Taking the controller 110 (the following omits the label, simply referred to as the controller) in Figure 1 as an example for illustration, it includes the following steps 202 to 206. Among them:

[0082] Step 202, obtain the standard range of environmental parameters of the cigarette making and packing workshop, the environmental control humidity and heat load of the air conditioning system in the cigarette making and packing workshop, and the monitoring information of each component in the air conditioning system.

[0083] In implementation, the controller obtains the standard range of environmental parameters of the cigarette making and packing workshop. This standard range of environmental parameters is the environmental requirement of the cigarette making and packing workshop. At the same time, the controller obtains the structural information of the air conditioning system in the cigarette making and packing workshop, and based on this structural information, obtains the current environmental control humidity and heat load of the air conditioning system and the monitoring information of each component in the air conditioning system.

[0084] Specifically, an air conditioning system is provided in the cigarette making and packing workshop. The air conditioning system can adjust the environment of the cigarette making and packing workshop so that the actual environmental parameters of the cigarette making and packing workshop are controlled within the standard range of environmental parameters. The controller obtains the standard range of environmental parameters of the cigarette making and packing workshop. The standard range of environmental parameters includes the standard range of temperature and the standard range of humidity. The controller obtains the structural information of the air conditioning system and the monitoring values of the dry and wet bulb temperatures of the supply and return air, so as to clarify the components included in the air conditioning system and the connection relationships between the components. Then, the controller obtains the monitoring information of each component from the components of the air conditioning system according to the structural information of the air conditioning system. At the same time, the controller obtains the measured air volume of the air conditioning system according to the structural information of the air conditioning system. Then, the controller determines the environmental control heat and humidity load of the air conditioning system according to the measured air volume and the monitoring values of the dry and wet bulb temperatures.

[0085] Step 204: Taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, construct a loss power function, and analyze the loss power function according to the environmental control heat and humidity load and each monitoring information to obtain the target air conditioning control parameter set under the target of minimum internal loss.

[0086] Among them, the internal loss includes mass internal loss and energy internal loss.

[0087] In implementation, the controller takes the mass internal loss and / or energy internal loss as the target and the standard range of environmental parameters as the constraint condition to construct a loss power function. Then, the controller analyzes the loss power function according to the environmental control heat and humidity load and each monitoring information to obtain the target air conditioning control parameter set under the target of minimum internal loss.

[0088] Specifically, the controller takes the mass internal loss and energy internal loss being zero as the target and the standard range of environmental parameters as the constraint condition to construct a first loss power function. At the same time, the controller takes the minimum energy internal loss as the target, the mass internal loss being zero and the standard range of environmental parameters as the constraint condition to construct a second loss power function. And, the controller takes the minimum mass internal loss as the target, the mass internal loss being zero and the standard range of environmental parameters as the constraint condition to construct a third loss power function. The controller analyzes each loss power function (the first loss power function, the second loss power function and the third loss power function) according to the environmental control heat and humidity load and each monitoring information to obtain a first air conditioning control parameter set, a second air conditioning control parameter set and a third air conditioning control parameter set. The controller determines the target air conditioning control parameter set under the target of minimum internal loss from the first air conditioning control parameter set, the second air conditioning control parameter set and the third air conditioning control parameter set.

[0089] Step 206: Dynamically adjust the air conditioning system according to the target air conditioning control parameter set and the monitoring information of each component.

[0090] Among them, the monitoring information of each component is the operation information or monitoring information of each component.

[0091] In implementation, if the monitoring information is operation information, the controller generates valve position adjustment instructions for each component according to the target air-conditioning control parameters and the operation information of each component, and dynamically adjusts the air-conditioning system according to the valve position adjustment instructions of each component. If the monitoring information is monitoring information, the controller generates component adjustment instructions for each component according to the target air-conditioning control parameters and the monitoring information of each component, and dynamically adjusts the air-conditioning system according to the component adjustment instructions of each component.

[0092] Specifically, the operation information is valve position feedback information. The monitoring information is environmental monitoring information. If the monitoring information is valve position feedback information, the controller generates valve position adjustment instructions for each valve position according to the valve position feedback information, and constructs a control strategy for the air-conditioning system according to the valve position adjustment instructions. Then, the controller controls the air-conditioning system according to the control strategy. If the monitoring information is environmental monitoring information, the controller generates component adjustment instructions for each component according to the environmental monitoring information and each set of target air-conditioning control parameters, and constructs a control strategy for the air-conditioning system according to the component adjustment instructions. Then, the controller controls the air-conditioning system according to the control strategy, so that the air-conditioning system is under the condition of minimum internal loss, and the environmental parameters of the cigarette-making and packing workshop are controlled to meet the conditions of the environmental parameter standard range.

[0093] In the above air-conditioning system control method, with the minimum internal loss of the air-conditioning system as the goal and the environmental parameter standard range as the constraint condition, a loss power function is established and the loss power function is analyzed. The internal loss of the air-conditioning system is considered, and accurate control information, that is, the set of target air-conditioning control parameters, is given when the air-conditioning system is in the minimum internal loss state. Then, the air-conditioning system is dynamically adjusted through the set of target air-conditioning control parameters and each monitoring information, so that the air-conditioning system can control the environmental parameters of the cigarette-making and packing workshop to meet the conditions of the environmental parameter standard range, while reducing the internal loss of the air-conditioning system, and further reducing the energy consumption of the air-conditioning system.

[0094] In an exemplary embodiment, as Figure 3 shown, the specific processing process of step 202 includes steps 302 to 306. Among them:

[0095] Step 302, obtain the temperature standard range and humidity standard range of the cigarette-making and packing workshop to obtain the environmental parameter standard range.

[0096] In implementation, the controller obtains the temperature standard range and humidity standard range of the cigarette-making and packing workshop to obtain the environmental parameter standard range. The temperature standard range of the cigarette-making and packing workshop is the temperature requirement of the cigarette-making and packing workshop. The humidity standard range is the humidity requirement of the cigarette-making and packing workshop.

[0097] In an exemplary embodiment, a target user inputs a temperature standard range and a humidity standard range to the host computer corresponding to the controller. The host computer is wirelessly or finitely connected to the controller. The host computer transmits the temperature standard range and the humidity standard range to the controller through the connection with the controller. The controller receives the temperature standard range and the humidity standard range, and combines the environmental parameter standard range of the cigarette making and packing workshop according to the temperature standard range and the humidity standard range.

[0098] Optionally, the temperature standard range and the humidity standard range are determined according to the environmental requirements of the cigarette making and packing workshop, and the embodiments of the present application do not limit the temperature standard range and the humidity standard range.

[0099] Step 304: Obtain the structural information of the air conditioning system in the cigarette making and packing workshop and the monitored value of the wet and dry bulb temperature, and obtain the measured air volume of the air conditioning system according to the structural information.

[0100] In implementation, an air conditioning system is provided in the cigarette making and packing workshop. The controller obtains the structural information of the air conditioning system. The structural information includes the component information of each component in the air conditioning system and the connection relationship information between each component. At the same time, the controller obtains the monitored value of the wet and dry bulb temperature of the air conditioning system from the temperature sensors at the air supply and return of the air conditioning system. At the same time, the controller obtains the measured air volume of the air conditioning system according to the structural information of the air conditioning system.

[0101] Specifically, the controller determines whether the structural information includes air volume measuring device information to obtain a first judgment result. Then, the controller obtains the measured air volume according to the first judgment result.

[0102] Step 306: Determine the environmental control wet and heat load of the air conditioning system according to the monitored value of the wet and dry bulb temperature and the measured air volume, and obtain the monitoring information of each component in the air conditioning system according to the structural information.

[0103] In implementation, an environmental control wet and heat load algorithm is pre-set in the controller. The controller uses the environmental control wet and heat load algorithm to perform data operations on the monitored value of the wet and dry bulb temperature and the measured air volume to obtain the environmental control wet and heat load of the air conditioning system. The environmental control wet and heat load refers to the wet load and heat load of the entire environmental control system where the air conditioning system is located. Then, the controller obtains the monitoring information of each component from each component according to the component information of each component in the structural information.

[0104] In an exemplary embodiment, since the structures of different air conditioning systems are different, the components of different air conditioning systems are different. Figure 4 It is a structural diagram of the first type of air conditioning system in an embodiment. As Figure 4As shown, the first type of air conditioning system can be equipped with an air volume measuring device in the air supply duct. If the air conditioning system is of the first type, the structural information obtained by the controller includes information of each temperature sensor, each humidity sensor, air volume measuring device information, fan information, frequency converter information, surface cooler valve information, heating valve information, humidifying valve information, surface cooler information, and heater information.

[0105] Figure 5 It is a structural diagram of the second type of air conditioning system in an embodiment. The difference between the second type of air conditioning system and the first type of air conditioning system is that the second type of air conditioning system cannot install an air volume measuring device. Therefore, if the air conditioning system is of the second type, the structural information obtained by the controller includes information of each temperature sensor, each humidity sensor, fan information, frequency converter information, surface cooler valve information, heating valve information, humidifying valve information, surface cooler information, and heater information.

[0106] Figure 6 It is a structural diagram of the third type of air conditioning system in an embodiment. The difference between the third type of air conditioning system and the first type of air conditioning system is that the third type of air conditioning system is respectively equipped with cooling capacity, heat quantity, and humidifying quantity measuring instruments on the surface cooler, heater, and humidifier sides. Therefore, if the air conditioning system is of the third type, the structural information obtained by the controller includes information of each temperature sensor, each humidity sensor, air volume measuring device information, fan information, frequency converter information, surface cooler valve information, heating valve information, humidifying valve information, surface cooler information, heater information, information of each cooling capacity measuring instrument, information of each heat quantity measuring instrument, and information of each humidifying quantity measuring instrument.

[0107] Figure 7 It is a structural diagram of the fourth type of air conditioning system in an embodiment. The difference between the fourth type of air conditioning system and the third type of air conditioning system is that the fourth type of air conditioning system cannot install an air volume measuring device. Therefore, if the air conditioning system is of the fourth type, the structural information obtained by the controller includes information of each temperature sensor, each humidity sensor, fan information, frequency converter information, surface cooler valve information, heating valve information, humidifying valve information, surface cooler information, heater information, information of each cooling capacity measuring instrument, information of each heat quantity measuring instrument, and information of each humidifying quantity measuring instrument.

[0108] Figure 8It is a structural diagram of an air-conditioning system of the fifth type in an embodiment. The difference between the air-conditioning system of the fifth type and the air-conditioning system of the first type is that temperature and humidity sensors are respectively installed after the mixing section, the surface cooler, and the heater in the air-conditioning system of the fifth type. Therefore, if the air-conditioning system is of the fourth type, the structural information obtained by the controller includes the information of each temperature sensor, the information of each humidity sensor, the information of the air volume measurement device, the information of the fan, the information of the frequency converter, the information of the surface cooler valve, the information of the heating valve, the information of the humidifying valve, the information of the surface cooler, and the information of the heater.

[0109] Figure 9 It is a structural diagram of an air-conditioning system of the sixth type in an embodiment. The difference between the air-conditioning system of the sixth type and the air-conditioning system of the fifth type is that the air volume measurement device cannot be installed in the air-conditioning system of the sixth type. Therefore, if the air-conditioning system is of the sixth type, the structural information obtained by the controller includes the information of each temperature sensor, the information of each humidity sensor, the information of the fan, the information of the frequency converter, the information of the surface cooler valve, the information of the heating valve, the information of the humidifying valve, the information of the surface cooler, and the information of the heater.

[0110] In addition, in Figures 4 to 9 , the symbol with a T inside the circle represents a temperature sensor, the symbol with an M inside the circle represents a motor. The symbol with a Φ inside the circle represents a flow sensor. The symbol with a Φ representing the flow sensor ΔP represents a pressure sensor. VFD represents a variable frequency drive (Variable Frequency Drive).

[0111] In this embodiment, by obtaining the monitoring information of each component through the structural information, different monitoring information can be obtained from air-conditioning systems with different structures, which is convenient for subsequently analyzing the loss power function according to the monitoring information, and expands the applicable range of the air-conditioning system control method.

[0112] In an exemplary embodiment, as Figure 10 shown, the specific processing process of obtaining the measured air volume of the air-conditioning system according to the structural information in step 304 includes steps 1002 to 1006. Among them:

[0113] Step 1002, determine whether the structural information contains the information of the air volume measurement device.

[0114] In implementation, the controller determines whether there is the information of the air volume measurement device in the structural information. If the structural information contains the information of the air volume measurement device, it indicates that the air-conditioning system contains an air volume measurement device, and the measured air volume can be directly obtained by the air volume measurement device. If the structural information does not contain the information of the air volume measurement device, it indicates that the air-conditioning system does not contain an air volume measurement device, and other information is needed to indirectly determine the measured air volume.

[0115] Step 1004: If the structure information does not contain air volume metering device information, obtain the measured air volume of the air conditioning system based on the fan differential pressure monitoring data and the fan operation information fed back by the frequency converter.

[0116] In implementation, if the structure information does not contain air volume metering device information, the controller obtains the fan pressure measurement monitoring data and the fan operation information fed back by the frequency converter. Then, the controller establishes a fan flow model based on the fan operation information and the fan differential pressure monitoring data, and determines the measured air volume of the air conditioning system according to the fan flow model.

[0117] Specifically, the controller obtains the fan differential pressure monitoring data from the pressure sensor. The fan differential pressure monitoring data is the differential pressure between the inlet and outlet of the fan. The fan operation information includes torque, rotational speed, and power.

[0118] The controller performs data fitting on the fan differential pressure monitoring data and the operation parameters such as torque, rotational speed, and power in the fan operation information, so as to establish a fan flow model. Then, the controller inputs the fan differential pressure monitoring data, the fan operation information, and the air density into the fan flow model, and determines the measured air volume of the air conditioning system through the fan flow model.

[0119] Step 1006: If the structure information contains air volume metering device information, obtain the measured air volume according to the air volume metering device information.

[0120] In implementation, if the structure information contains air volume metering device information, there is an air volume metering device at the air supply place of the air conditioning system. The controller directly obtains the measured air volume of the air conditioning system measured by the air volume metering device from the air volume metering device.

[0121] In this embodiment, through the structure information of the air conditioning system, the measured air volume of the air conditioning system can be obtained from different types of air conditioning systems, which is convenient for subsequently determining the current environmental control heat and moisture load according to the measured air volume, thereby adjusting the air conditioning system and expanding the applicable range of the air conditioning system control method.

[0122] In an exemplary embodiment, as Figure 11 shown, the specific processing procedure of constructing the loss power function with the minimum internal loss of the air conditioning system as the target and the standard interval of environmental parameters as the constraint condition in step 204 includes steps 1102 to 1106. Among them:

[0123] Step 1102: Construct a first loss power function with the mass internal loss and energy internal loss of the air conditioning system being zero as the target and the standard interval of environmental parameters as the constraint condition.

[0124] Among them, the internal loss includes mass internal loss and energy internal loss.

[0125] In implementation, the controller aims for zero internal mass loss and zero internal energy loss, and constructs a first loss power function with the standard interval of environmental parameters as the constraint condition.

[0126] Specifically, when constructing the loss power function, it is necessary to consider different states of the environmental control heat and moisture load. The minimum internal loss is shown in the following formula (1):

[0127] (1)

[0128] Wherein, in the above formula (1), is the loss power function aiming at the minimum internal mass loss and the minimum internal energy loss under the condition that the wet load significantly dominates, with the unit of kW (kilowatt). is the loss power function aiming at the minimum internal mass loss and the minimum internal energy loss under the condition that the heat load significantly dominates, with the unit of kW. is the loss power function aiming at the minimum internal mass loss and the minimum internal energy loss under the condition of balanced heat and moisture load. is the minimum internal loss.

[0129] Wherein, in the above formula (1), the loss power is composed of the internal mass loss and the internal energy loss, and the loss power is shown in the following formula (2):

[0130] (2)

[0131] Wherein, in the above formula (2), is the loss power in any case in formula (1). When i = 1, is the loss power under the condition that the wet load significantly dominates. When i = 2, is the loss power under the condition that the heat load significantly dominates. When i = 3, is the loss power under the condition of balanced heat and moisture load. is the comprehensive internal energy loss power of the air-conditioning system (unit: kW). is the internal mass loss power of the air-conditioning system (unit: kW). Among them, the comprehensive internal energy loss power of the air-conditioning system is shown in the following formula (3):

[0132] (3)

[0133] Wherein, in the above formula (3), is the comprehensive internal energy loss power of the air-conditioning system (unit: kW). represents the internal mass loss power of the air-conditioning system (unit: kW). is the internal loss power of the air-conditioning system (sensible heat). Among them, the internal loss power of the air-conditioning system (sensible heat) is shown in the following formula (4):

[0134] (4)

[0135] Among them, in the above formula (4), is the internal loss power of the air-conditioning system (sensible heat). is the specific heat of air, with the unit of kJ / (kg·K) (specific heat capacity). represents the mass flow rate of dry air in the air-conditioning system, with the unit of kg / s (kilograms per second). is the temperature difference between the supply air of the air-conditioning unit and the air at the outlet of the surface cooler, with the unit of K (Kelvin). represents the temperature difference between the supply air and the return air of the air-conditioning system, with the unit of K (Kelvin).

[0136] The mass internal loss power of the air-conditioning system is shown in the following formula (5):

[0137] (5)

[0138] Among them, in the above formula (5), represents the mass internal loss power of the air-conditioning system (unit: kW). represents the mass flow rate of dry air in the air-conditioning system, with the unit of kg / s (kilograms per second). represents the difference in moisture content between the supply air of the air-conditioning unit and the air at the outlet of the surface cooler, with the unit of kg / kg 干空气 (kilograms per kilogram of dry air). represents the difference in moisture content between the supply air and the return air of the air-conditioning system. represents the latent heat of vaporization of water, with the unit of kJ / kg (kilojoules per kilogram).

[0139] Combining the above formulas (2) to (5), the final minimum internal loss formula is obtained, as shown in the following formula (6):

[0140] E L, set = Δ Q T ’ + 2Δ Q m = C A M A Δ T A - Δ t A + M A Δ D w - Δ d w h LG = M A [ C A Δ T A - Δ t A +2 Δ D w - Δ d w h LG ] (6)

[0141] Wherein, in the above formula (6), is the loss power. is the internal loss power of the energy of the air-conditioning system (sensible heat). represents the internal loss power of the mass of the air-conditioning system (unit: kW). represents the mass flow rate of dry air in the air-conditioning system, with the unit of kg / s (kilograms per second). represents the difference in moisture content between the air supply of the air-conditioning unit and the outlet of the surface cooler, with the unit of kg / kg 干空气 (kilograms per kilogram of dry air). represents the difference in moisture content between the air supply and return air of the air-conditioning system. represents the latent heat of vaporization of water, with the unit of kJ / kg (kilojoules per kilogram). is the temperature difference between the air supply of the air-conditioning unit and the outlet air of the surface cooler, with the unit of K (Kelvin). represents the temperature difference between the air supply and return air of the air-conditioning system, with the unit of K (Kelvin).

[0142] For the condition of heat and moisture load balance corresponding to i = 3, in order to take the minimum internal loss of mass and the minimum internal loss of energy as the control objectives of the air-conditioning system, the controller takes zero internal loss of mass and zero internal loss of energy as the objectives, and the standard interval of environmental parameters as the constraint conditions, and constructs the first loss power function. This first loss power function pursues the minimum value of the internal loss of mass or energy approaching 0. Specifically, taking the above formula (5) as an example, if the internal loss of mass is zero and the internal loss of energy is 0, then and . The controller takes this as the objective and constructs the first loss power function with the standard interval of environmental parameters as the constraint conditions.

[0143] Step 1104, taking the minimum internal loss of energy of the air-conditioning system as the objective, and taking zero internal loss of mass and the standard interval of environmental parameters as the constraint conditions, construct the second loss power function.

[0144] In implementation, the controller takes the minimum internal loss of energy as the objective, and constructs the second loss power function with zero internal loss of mass and the standard interval of environmental parameters as the constraint conditions.

[0145] Specifically, for the condition where the moisture load is significantly dominant, in order to achieve the control objectives of the minimum internal loss of mass and the minimum internal loss of energy, the controller needs to achieve the objective of the minimum internal loss of energy under the condition of zero internal loss of mass. Taking the above formulas (2) to (6) as an example, zero internal loss of mass is , and it is also . The controller takes min [ C A M A ( Δ T A - Δ t A ) ] as the target, with as the constraint condition and with the standard interval of environmental parameters as the constraint condition, a second loss power function is constructed.

[0146] Step 1106: With the minimum internal loss of the air-conditioning system as the target, and with zero internal energy loss and the standard interval of environmental parameters as the constraint conditions, a third loss power function is constructed.

[0147] In implementation, the controller takes the minimum internal loss of mass as the target, and with zero internal energy loss and the standard interval of environmental parameters as the constraint conditions, constructs a third loss power function.

[0148] Specifically, for the working conditions where the heat load is significantly dominant, in order to achieve the control objectives of minimum internal loss of mass and internal energy loss, the controller needs to achieve the goal of minimum internal loss of mass under the condition of zero internal energy loss. Taking the above formulas (2) to (6) as an example, zero internal energy loss is , and is also . The controller takes min [ M A ( Δ D w - Δ d w ) h LG ] as the target, with as the constraint condition and with the standard interval of environmental parameters as the constraint condition, a third loss power function is constructed.

[0149] In this embodiment, by constructing the first loss power function, the second loss power function and the third loss power function, it is convenient to subsequently realize the minimum internal loss of the air-conditioning system under different humid and hot working conditions based on different loss power functions, thereby reducing the energy consumption of the air-conditioning system.

[0150] In an exemplary embodiment, the loss power function includes the first loss power function, the second loss power function and the third loss power function. As Figure 12 shown, the specific processing process of parsing the loss power function according to the environmental control humid and hot load and each monitoring information in step 204 to obtain the target air-conditioning control parameter set under the target of minimum internal loss includes steps 1202 to 1206. Among them:

[0151] Step 1202: According to the environmental control heat and humidity load and each monitoring information, respectively analyze the first power loss function, the second power loss function, and the third power loss function to obtain the first air-conditioning control parameter set corresponding to the first power loss function, the second air-conditioning control parameter set corresponding to the second power loss function, and the third air-conditioning control parameter set corresponding to the third power loss function.

[0152] In implementation, an analysis algorithm is pre-set in the controller. The controller analyzes the first power loss function according to the environmental control heat and humidity load, each monitoring information, and the analysis algorithm to obtain the first air-conditioning control parameter set corresponding to the first power loss function. At the same time, the controller analyzes the second power loss function according to the environmental control heat and humidity load, each monitoring information, and the analysis algorithm to obtain the second air-conditioning control parameter set corresponding to the second power loss function. And the controller analyzes the third power loss function according to the environmental control heat and humidity load, each monitoring information, and the analysis algorithm to obtain the third air-conditioning control parameter set corresponding to the third power loss function. Then, the controller determines whether the first air-conditioning control parameter set is empty to determine whether there is a first air-conditioning control parameter set. If the first air-conditioning control parameter set is empty, the controller determines that there is no first air-conditioning control parameter set. If the first air-conditioning control parameter set is not empty, the controller determines that there is a first air-conditioning control parameter set.

[0153] Specifically, since the air-conditioning system has different structures. Therefore, each monitoring information will also be different. If the structure information includes the chilled water valve information, the heating valve information, the humidifying valve information, the chilled water cooler information, and the heater information, then each monitoring information is the chilled water valve position feedback information, the heating valve position feedback information, and the humidifying valve position feedback information. The controller analyzes the first power loss function according to the chilled water valve position feedback information, the heating valve position feedback information, the humidifying valve position feedback information, the environmental control heat and humidity load, and the analysis algorithm to obtain the first air-conditioning control parameter set. The first air-conditioning control parameter set includes the first chilled water valve position opening information, the first heating valve position opening information, and the first humidifying valve position opening information. The controller analyzes the second power loss function according to the chilled water valve position feedback information, the heating valve position feedback information, the humidifying valve position feedback information, the environmental control heat and humidity load, and the analysis algorithm to obtain the second air-conditioning control parameter set. The second air-conditioning control parameter set includes the second chilled water valve position opening information, the second heating valve position opening information, and the second humidifying valve position opening information. The controller analyzes the third power loss function according to the chilled water valve position feedback information, the heating valve position feedback information, the humidifying valve position feedback information, the environmental control heat and humidity load, and the analysis algorithm to obtain the third air-conditioning control parameter set. The third air-conditioning control parameter set includes the third chilled water valve position opening information, the third heating valve position opening information, and the third humidifying valve position opening information.

[0154] If the structure information includes the information of each cooling capacity measuring instrument, each heat measuring instrument, and each humidification amount measuring instrument, then each monitoring information is each cooling capacity measurement value, each heat measurement value, and each humidification amount value. Since each cooling capacity measuring instrument, each heat measuring instrument, and each humidification amount measuring instrument are pretended to be on the surface cooler, heater, and humidifier sides, each cooling capacity measurement value, each heat measurement value, and each humidification amount value are the monitoring values of the sensible heat and moisture content difference of the air before and after the surface cooler, heater, and humidifier. The controller determines the actual environmental control heat and humidity load supply value of the air conditioning unit in the air conditioning system according to each cooling capacity measurement value, each heat measurement value, and each humidification amount value. Then, the controller performs analytical processing on the first power loss function according to the analytical algorithm, the environmental control heat and humidity load, and the actual environmental control heat and humidity load supply value to obtain the first set of air conditioning control parameters. The third set of air conditioning control parameters includes the first target parameter information of the air conditioning system fan, the first target parameter information of the surface cooler, the first target parameter information of the heater, and the first target parameter information of the humidifier. The controller performs analytical processing on the second power loss function according to the analytical algorithm, the environmental control heat and humidity load, and the actual environmental control heat and humidity load supply value to obtain the second set of air conditioning control parameters. The third set of air conditioning control parameters includes the second target parameter information of the air conditioning system fan, the second target parameter information of the surface cooler, the second target parameter information of the heater, and the second target parameter information of the humidifier. The controller performs analytical processing on the third power loss function according to the analytical algorithm, the environmental control heat and humidity load, and the actual environmental control heat and humidity load supply value to obtain the third set of air conditioning control parameters. The third set of air conditioning control parameters includes the third target parameter information of the air conditioning system fan, the third target parameter information of the surface cooler, the third target parameter information of the heater, and the third target parameter information of the humidifier.

[0155] If the structure information includes the temperature sensor information of each temperature sensor installed before and after the surface cooler, heater, and humidifier, and the humidity sensor information of each humidity sensor, then each monitoring information includes the measured values of each temperature sensor and each humidity sensor. Since each temperature sensor and each humidity sensor are installed before and after the surface cooler, heater, and humidifier, the measured values of each temperature sensor and each humidity sensor are the monitored values of the sensible heat and moisture content difference of the air before and after the surface cooler, heater, and humidifier. The controller determines the actual environmental control heat and humidity load supply value of the air conditioner unit in the air conditioning system according to the measured values of each temperature sensor and each humidity sensor. Then, the controller performs analytical processing on the first power loss function according to the analytical algorithm, environmental control heat and humidity load, and actual environmental control heat and humidity load supply value to obtain the first set of air conditioning control parameters. The third set of air conditioning control parameters includes the first target parameter information of the air conditioner system fan, the first target parameter information of the surface cooler, the first target parameter information of the heater, and the first target parameter information of the humidifier. The controller performs analytical processing on the second power loss function according to the analytical algorithm, environmental control heat and humidity load, and actual environmental control heat and humidity load supply value to obtain the second set of air conditioning control parameters. The third set of air conditioning control parameters includes the second target parameter information of the air conditioner system fan, the second target parameter information of the surface cooler, the second target parameter information of the heater, and the second target parameter information of the humidifier. The controller performs analytical processing on the third power loss function according to the analytical algorithm, environmental control heat and humidity load, and actual environmental control heat and humidity load supply value to obtain the third set of air conditioning control parameters. The third set of air conditioning control parameters includes the third target parameter information of the air conditioner system fan, the third target parameter information of the surface cooler, the third target parameter information of the heater, and the third target parameter information of the humidifier.

[0156] Step 1204, if there is a first set of air conditioning control parameters, determine the first set of air conditioning control parameters as the target set of air conditioning control parameters.

[0157] In implementation, if there is a first set of air conditioning control parameters, it indicates that zero mass internal loss and zero energy internal loss can be achieved under the condition of heat and humidity load balance. At this time, the internal loss of the air conditioning system is zero and the minimum. The controller determines the first set of air conditioning control parameters as the target set of air conditioning control parameters.

[0158] Step 1206, if there is no first set of air conditioning control parameters, determine the target set of air conditioning control parameters from the second set of air conditioning control parameters and the third set of air conditioning control parameters.

[0159] In implementation, if there is no first set of air conditioning control parameters, the controller determines the set of air conditioning control parameters corresponding to the minimum internal loss value in the second set of air conditioning control parameters and the third set of air conditioning control parameters as the target set of air conditioning control parameters.

[0160] Specifically, the second set of air conditioner control parameters includes the minimum internal energy loss value. The third set of air conditioner control parameters includes the minimum internal mass loss value. The controller compares the minimum internal energy loss value and the minimum internal mass loss value to obtain a comparison result. Then, based on the comparison result, the controller determines the target set of air conditioner control parameters from the second and third sets of air conditioner control parameters.

[0161] In this embodiment, by analyzing different loss power functions and determining the target set of air conditioner control parameters from the parsed sets of air conditioner control parameters, accurate control information in the case where the air conditioner system has the minimum internal loss is obtained. Controlling the air conditioner system based on this target set of air conditioner control parameters can reduce the internal loss of the air conditioner system and thus reduce the energy consumption of the air conditioner system.

[0162] In an exemplary embodiment, the second set of air conditioner control parameters includes the minimum internal energy loss value; the third set of air conditioner control parameters includes the minimum internal mass loss value. As Figure 13 shown, the specific processing procedure of step 1206 includes steps 1302 to 1306. Among them:

[0163] Step 1302, determine whether the minimum internal energy loss value is greater than the minimum internal mass loss value.

[0164] In implementation, the controller determines whether the minimum internal energy loss value is greater than the minimum internal mass loss value, so as to determine the minimum internal loss between the minimum internal energy loss value and the minimum internal mass loss value. If the minimum internal energy loss value is greater than the minimum internal mass loss value, the controller executes the following step 1304. If the minimum internal energy loss value is less than or equal to the minimum internal mass loss value, the controller executes the following step 1306.

[0165] Step 1304, if the minimum internal energy loss value is greater than the minimum internal mass loss value, determine the third set of air conditioner control parameters as the target set of air conditioner control parameters.

[0166] In implementation, if the minimum internal energy loss value is greater than the minimum internal mass loss value, the controller determines the minimum internal mass loss value as the minimum internal loss and determines the third set of air conditioner control parameters as the target set of air conditioner control parameters.

[0167] Step 1306, if the minimum internal energy loss value is less than or equal to the minimum internal mass loss value, determine the second set of air conditioner control parameters as the target set of air conditioner control parameters.

[0168] In implementation, if the minimum internal energy loss value is less than the minimum internal mass loss value, the controller determines the minimum internal energy loss value as the minimum internal loss and determines the second set of air conditioner control parameters as the target set of air conditioner control parameters.

[0169] In this embodiment, according to the comparison result of the minimum mass internal loss value and the minimum energy internal loss value, a target air-conditioning control parameter set is determined, and accurate control information in the case where the air-conditioning system is in the minimum internal loss is obtained, which is convenient for subsequently controlling the air-conditioning system according to the target air-conditioning control parameter set.

[0170] In an exemplary embodiment, as Figure 14 shown, the specific processing procedure of step 206 includes steps 1402 to 1408. Among them:

[0171] Step 1402, if the monitoring information of each component is the valve position feedback information of each valve, then according to the valve position feedback information of each valve and the target air-conditioning control parameter set, valve position adjustment instructions for each valve are generated.

[0172] Among them, if the monitoring information of each component is the valve position feedback information of each valve, the target air-conditioning control parameter set includes the valve position opening information of each valve and the target fan operation information.

[0173] In implementation, if the monitoring information of each component is the valve position feedback information of each valve, the controller generates valve position adjustment instructions for each component according to the valve position feedback information of each valve and the valve position opening information in the target air-conditioning control set.

[0174] Specifically, the valve position feedback information of each valve is the valve position feedback information of the chilled water valve, the heating valve, and the humidifying valve. The target air-conditioning control parameter set includes the valve position opening information of the chilled water valve, the heating valve, and the humidifying valve. The controller generates a valve position adjustment instruction for the chilled water valve according to the valve position feedback information of the chilled water valve and the valve position opening information of the chilled water valve, and determines a valve position adjustment instruction for the heating valve according to the valve position feedback information of the heating valve and the valve position opening information of the heating valve. At the same time, the controller determines a valve position adjustment instruction for the humidifying valve according to the valve position feedback information of the humidifying valve and the valve position opening information of the humidifying valve, and determines a fan control instruction according to the fan operation information and the target fan operation information.

[0175] Step 1404, construct a control strategy for the air-conditioning system according to each valve position adjustment instruction, and dynamically adjust the air-conditioning system according to the control strategy.

[0176] In implementation, the controller combines each valve position adjustment instruction to obtain a control strategy for the air-conditioning system. Then, the controller dynamically adjusts the air-conditioning system according to the control strategy of the air-conditioning system, so that under the condition that the air-conditioning system is in the minimum internal loss, the environmental parameters of the cigarette making and packing workshop are controlled to meet the conditions of the environmental parameter standard interval.

[0177] Specifically, each valve position adjustment command is the valve position adjustment command of the surface cooler valve, the valve position adjustment command of the heating valve, and the valve position adjustment command of the humidifying valve. The controller combines the fan control command, the valve position adjustment command of the surface cooler valve, the valve position adjustment command of the heating valve, and the valve position adjustment command of the humidifying valve to obtain the control strategy of the air conditioning system. Then, the controller continuously adjusts the rotation speed or start / stop of the air conditioning fan, the valve position of the surface cooler, the valve position of the heater, and the valve position of the humidifier according to the control strategy of the air conditioning system to achieve the minimum internal loss of mass and energy.

[0178] Step 1406, if the monitoring information of each component is the environmental monitoring information, then according to the environmental monitoring information and the target air conditioning control parameter set, generate the adjustment commands for each component.

[0179] Among them, if the monitoring information of each component is the environmental monitoring information, then the target air conditioning control parameter set includes the target fan operation information, the target surface cooler operation information, the target heater operation information, and the target humidifier operation information.

[0180] In implementation, if the monitoring information of each component is the environmental monitoring information, then the controller generates the component adjustment commands for each component according to the environmental monitoring information and the operation information of each target component in the target air conditioning control set.

[0181] Specifically, the target air conditioning control parameter set includes the target fan operation information, the target surface cooler operation information, the target heater operation information, and the target humidifier operation information. The monitoring information is divided into two cases. The first case is that the monitoring information is the measured values of each cooling capacity, the measured values of each heating quantity, and the measured values of each humidification quantity. The second case is that the monitoring information is the measured values of each temperature sensor and the measured values of each humidity sensor.

[0182] If the monitoring information is the measured values of each cooling capacity, the measured values of each heating quantity, and the measured values of each humidification quantity, then the controller determines the air conditioning fan adjustment command, the surface cooler adjustment command, the heater adjustment command, and the humidifier adjustment command according to the target fan operation information, the target surface cooler operation information, the target heater operation information, the target humidifier operation information, the measured values of each cooling capacity, the measured values of each heating quantity, and the measured values of each humidification quantity.

[0183] If the monitoring information is the measured values of each temperature sensor and the measured values of each humidity sensor, then the controller determines the air conditioning fan adjustment command, the surface cooler adjustment command, the heater adjustment command, and the humidifier adjustment command according to the target fan operation information, the target surface cooler operation information, the target heater operation information, the target humidifier operation information, the measured values of each temperature sensor, and the measured values of each humidity sensor.

[0184] Step 1408, construct the control strategy of the air conditioning system according to the adjustment commands of each component, and dynamically adjust the air conditioning system according to the control strategy.

[0185] In implementation, the controller combines the adjustment instructions of each component to obtain the control strategy of the air conditioning system. Then, according to the control strategy of the air conditioning system, the controller dynamically adjusts the air conditioning system, so that under the condition of minimum internal loss of the air conditioning system, the environmental parameters of the cigarette making and packing workshop are controlled to meet the conditions of the standard range of environmental parameters.

[0186] Specifically, the adjustment instructions for each valve position are the adjustment instruction for the air conditioning fan, the adjustment instruction for the surface cooler, the adjustment instruction for the heater, and the adjustment instruction for the humidifier. The controller combines the adjustment instruction for the air conditioning fan, the adjustment instruction for the surface cooler, the adjustment instruction for the heater, and the adjustment instruction for the humidifier to obtain the control strategy of the air conditioning system. Then, according to the control strategy of the air conditioning system, the controller continuously regulates the air conditioning fan, the surface cooler, the heater, and the humidifier to achieve the minimum internal loss of mass and energy.

[0187] In this embodiment, the fan, the surface cooler, the heater, and the humidifier in the air conditioning system are dynamically controlled through the target air conditioning control parameter set and each monitoring information to maintain the minimum internal loss of mass and energy. While enabling the air conditioning system to control the environmental parameters of the cigarette making and packing workshop to meet the conditions of the standard range of environmental parameters, the comprehensive energy consumption composed of the cooling capacity, heating capacity, humidification amount, and fan power consumption of the air conditioning system is reduced.

[0188] It should be understood that although the steps in the flowcharts involved in the above-described embodiments are sequentially shown according to the indications of the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless there is a clear description in this article, the execution of these steps has no strict order limit, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-described embodiments may include multiple steps or multiple stages. These steps or stages are not necessarily executed at the same moment, but can be executed at different moments. The execution order of these steps or stages is not necessarily sequential, but can be executed alternately or in turn with at least a part of other steps or steps or stages in other steps. It can be understood that the steps in different embodiments can be freely combined as needed, and all non-contradictory solutions formed by the combination belong to the scope protected by this application.

[0189] Based on the same inventive concept, the embodiment of the present application also provides an air conditioning system control device for implementing the above-mentioned air conditioning system control method. The solution provided by this device to solve the problem is similar to the solution described in the above method. Therefore, the specific limitations in one or more embodiments of the air conditioning system control device provided below can refer to the limitations on the air conditioning system control method in the above text, and will not be repeated here.

[0190] In an exemplary embodiment, as Figure 15As shown, an air-conditioning system control device 1500 is provided, including: an acquisition module 1501, a construction module 1502, and an adjustment module 1503, where:

[0191] The acquisition module 1501 is configured to acquire the standard range of environmental parameters in the cigarette packing workshop, the environmental control heat and humidity load of the air-conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air-conditioning system.

[0192] The construction module 1502 is configured to construct a loss power function with the minimum internal loss of the air-conditioning system as the target and the standard range of environmental parameters as the constraint condition, and analyze the loss power function according to the environmental control heat and humidity load and each monitoring information to obtain a set of target air-conditioning control parameters under the target of minimum internal loss.

[0193] The adjustment module 1503 is configured to dynamically adjust the air-conditioning system according to the set of target air-conditioning control parameters and the monitoring information of each component.

[0194] In an exemplary embodiment, the acquisition module 1501 includes:

[0195] The first acquisition sub-module is configured to acquire the standard temperature range and the standard humidity range in the cigarette packing workshop to obtain the standard range of environmental parameters.

[0196] The second acquisition sub-module is configured to acquire the structural information of the air-conditioning system in the cigarette packing workshop and the monitored dry and wet bulb temperature values, and acquire the measured air volume of the air-conditioning system according to the structural information.

[0197] The third acquisition sub-module is configured to determine the environmental control heat and humidity load of the air-conditioning system according to the monitored dry and wet bulb temperature values and the measured air volume, and acquire the monitoring information of each component in the air-conditioning system according to the structural information.

[0198] In an embodiment, the second acquisition sub-module includes a fourth acquisition sub-module and a fifth acquisition sub-module. Among them, the fifth acquisition sub-module includes:

[0199] The first judgment sub-module is configured to judge whether the structural information contains air volume measurement device information;

[0200] The sixth acquisition sub-module is configured to, if the structural information does not contain air volume measurement device information, acquire the measured air volume of the air-conditioning system according to the fan differential pressure monitoring data and the inverter feedback fan operation information.

[0201] The seventh acquisition sub-module is configured to, if the structural information contains air volume measurement device information, acquire the measured air volume according to the air volume measurement device information.

[0202] In an exemplary embodiment, the construction module 1502 includes a first construction sub-module and a first analysis sub-module. Among them, the first construction sub-module includes:

[0203] A second construction sub-module, configured to construct a first loss power function with the goal of zero internal mass loss and zero internal energy loss of the air-conditioning system, and with the standard interval of environmental parameters as the constraint condition.

[0204] A third construction sub-module, configured to construct a second loss power function with the goal of minimizing the internal energy loss of the air-conditioning system, and with zero internal mass loss and the standard interval of environmental parameters as the constraint conditions.

[0205] A fourth construction sub-module, configured to construct a third loss power function with the goal of minimizing the internal mass loss of the air-conditioning system, and with zero internal energy loss and the standard interval of environmental parameters as the constraint conditions.

[0206] In an exemplary embodiment, the loss power function includes a first loss power function, a second loss power function, and a third loss power function, and the construction module 1502 includes a first construction sub-module and a first analysis sub-module. Among them, the first analysis sub-module includes:

[0207] A second analysis sub-module, configured to respectively analyze the first loss power function, the second loss power function, and the third loss power function according to the environmental control humidity and heat load and each monitoring information, to obtain a first set of air-conditioning control parameters corresponding to the first loss power function, a second set of air-conditioning control parameters corresponding to the second loss power function, and a third set of air-conditioning control parameters corresponding to the third loss power function.

[0208] A first determination sub-module, configured to, if there is a first set of air-conditioning control parameters, determine the first set of air-conditioning control parameters as the target set of air-conditioning control parameters.

[0209] A second determination sub-module, configured to, if there is no first set of air-conditioning control parameters, determine the target set of air-conditioning control parameters from the second set of air-conditioning control parameters and the third set of air-conditioning control parameters.

[0210] In an exemplary embodiment, the second set of air-conditioning control parameters includes the minimum internal energy loss value; the third set of air-conditioning control parameters includes the minimum internal mass loss value, and the second determination sub-module includes:

[0211] A second judgment sub-module, configured to judge whether the minimum internal energy loss value is greater than the minimum internal mass loss value.

[0212] A third determination sub-module, configured to, if the minimum internal energy loss value is greater than the minimum internal mass loss value, determine the third set of air-conditioning control parameters as the target set of air-conditioning control parameters.

[0213] A fourth determination sub-module, configured to, if the minimum internal energy loss value is less than or equal to the minimum internal mass loss value, determine the second set of air-conditioning control parameters as the target set of air-conditioning control parameters.

[0214] In an exemplary embodiment, the adjustment module 1503 includes:

[0215] A first generation sub-module, configured to generate valve position adjustment instructions according to the valve position feedback information of each component and the target air-conditioning control parameter set if the monitoring information of each component is the valve position feedback information of each component.

[0216] A first adjustment sub-module, configured to construct a control strategy for the air-conditioning system according to the valve position adjustment instructions of each component, and dynamically adjust the air-conditioning system according to the control strategy.

[0217] A second generation sub-module, configured to generate component adjustment instructions according to the environmental monitoring information of each component and the target air-conditioning control parameter set if the monitoring information of each component is the environmental monitoring information of each component.

[0218] A second adjustment sub-module, configured to construct a control strategy for the air-conditioning system according to the component adjustment instructions of each component, and dynamically adjust the air-conditioning system according to the control strategy.

[0219] Each module in the above air-conditioning system control device can be implemented in whole or in part by software, hardware, and their combination. Each of the above modules can be embedded in the processor of the computer device in hardware form or be independent of it, or can be stored in the memory of the computer device in software form, so as to facilitate the processor to call and execute the operations corresponding to each of the above modules.

[0220] In an exemplary embodiment, a computer device is provided. The computer device can be a server, and its internal structure diagram can be as Figure 16 shown. The computer device includes a processor, a memory, an input / output interface (Input / Output, abbreviated as I / O), and a communication interface. Among them, the processor, the memory, and the input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store the data used by the air-conditioning system control method. The input / output interface of the computer device is used for the processor to exchange information with external devices. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, it implements an air-conditioning system control method.

[0221] Those skilled in the art can understand, Figure 16The structure shown is only a block diagram of some structures related to the solution of this application, and does not constitute a limitation on the computer device to which the solution of this application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine some components, or have a different component layout.

[0222] In one embodiment, a computer device is further provided, including a memory and a processor. A computer program is stored in the memory, and when the processor executes the computer program, the steps in the above method embodiments are implemented.

[0223] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the steps in the above method embodiments are implemented.

[0224] In one embodiment, a computer program product is provided, including a computer program, and when the computer program is executed by a processor, the steps in the above method embodiments are implemented.

[0225] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above methods. Among them, any reference to a memory, database, or other medium used in the embodiments provided in this application can include at least one of non-volatile memory and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc. The databases involved in the embodiments provided in this application can include at least one of relational databases and non-relational databases. Non-relational databases can include distributed databases based on blockchain, etc., without limitation. The processors involved in the embodiments provided in this application can be general-purpose processors, central processors, graphics processors, digital signal processors, programmable logic devices, data processing logics based on quantum computing, artificial intelligence (AI) processors, etc., without limitation.

[0226] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this application.

[0227] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the patent scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A method for controlling an air conditioning system, characterized in that, The method includes: Obtaining the standard range of environmental parameters in the cigarette packing workshop, the environmental control heat and humidity load of the air conditioning system in the cigarette packing workshop, and the monitoring information of each component in the air conditioning system; Taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, constructing a loss power function, and analyzing the loss power function according to the environmental control heat and humidity load and each piece of monitoring information to obtain a target air conditioning control parameter set with the minimum internal loss as the target; Dynamically adjusting the air conditioning system according to the target air conditioning control parameter set and the monitoring information of each component.

2. The method according to claim 1, wherein The obtaining the standard range of environmental parameters in the cigarette packing workshop, the environmental control heat and humidity load of the air conditioning system, and the monitoring information of each component in the air conditioning system includes: Obtaining the standard range of temperature and the standard range of humidity in the cigarette packing workshop to obtain the standard range of environmental parameters; Obtaining the structural information of the air conditioning system in the cigarette packing workshop and the monitored dry and wet bulb temperature values, and obtaining the measured air volume of the air conditioning system according to the structural information; Determining the environmental control heat and humidity load of the air conditioning system according to the monitored dry and wet bulb temperature values and the measured air volume, and obtaining the monitoring information of each component in the air conditioning system according to the structural information.

3. The method according to claim 2, wherein The obtaining the measured air volume of the air conditioning system according to the structural information includes: Judging whether the structural information contains air volume measuring device information; If the structural information does not contain the air volume measuring device information, obtaining the measured air volume of the air conditioning system according to the fan pressure difference monitoring data and the fan operation information fed back by the frequency converter; If the structural information contains the air volume measuring device information, obtaining the measured air volume according to the air volume measuring device information.

4. The method according to claim 1, characterized in that, The taking the minimum internal loss of the air conditioning system as the target and the standard range of environmental parameters as the constraint condition, constructing a loss power function includes: Taking the mass internal loss and the energy internal loss of the air conditioning system being zero as the target and the standard range of environmental parameters as the constraint condition, constructing a first loss power function; Taking the minimum energy internal loss of the air conditioning system as the target, and taking the mass internal loss being zero and the standard range of environmental parameters as the constraint conditions, constructing a second loss power function; Taking the minimum mass internal loss of the air conditioning system as the target, and taking the energy internal loss being zero and the standard range of environmental parameters as the constraint conditions, constructing a third loss power function.

5. The method according to claim 1, wherein The loss power function includes the first loss power function, the second loss power function, and the third loss power function. The analyzing the loss power function according to the environmental control heat and humidity load and each piece of monitoring information to obtain a target air conditioning control parameter set with the minimum internal loss as the target includes: Respectively analyzing the first loss power function, the second loss power function, and the third loss power function according to the environmental control heat and humidity load and each piece of monitoring information to obtain a first air conditioning control parameter set corresponding to the first loss power function, a second air conditioning control parameter set corresponding to the second loss power function, and a third air conditioning control parameter set corresponding to the third loss power function; If the first air-conditioning control parameter set exists, determine the first air-conditioning control parameter set as the target air-conditioning control parameter set; If the first air-conditioning control parameter set does not exist, determine the target air-conditioning control parameter set from the second air-conditioning control parameter set and the third air-conditioning control parameter set.

6. The method according to claim 5, characterized in that, The second air-conditioning control parameter set includes the minimum internal energy loss value; the third air-conditioning control parameter set includes the minimum internal mass loss value. Determining the target air-conditioning control parameter set from the second air-conditioning control parameter set and the third air-conditioning control parameter set includes: Determine whether the minimum internal energy loss value is greater than the minimum internal mass loss value; If the minimum internal energy loss value is greater than the minimum internal mass loss value, determine the third air-conditioning control parameter set as the target air-conditioning control parameter set; If the minimum internal energy loss value is less than or equal to the minimum internal mass loss value, determine the second air-conditioning control parameter set as the target air-conditioning control parameter set.

7. The method according to claim 1, wherein Dynamically adjusting the air-conditioning system according to the target air-conditioning control parameter set and the monitoring information of each component includes: If the monitoring information of each component is the valve position feedback information of each valve, generate valve position adjustment instructions for each valve according to the valve position feedback information of each valve and the target air-conditioning control parameter set; Construct a control strategy for the air-conditioning system according to the valve position adjustment instructions for each valve, and dynamically adjust the air-conditioning system according to the control strategy; If the monitoring information of each component is the environmental monitoring information of each component, generate component adjustment instructions for each component according to the environmental monitoring information of each component and the target air-conditioning control parameter set; Construct a control strategy for the air-conditioning system according to the component adjustment instructions for each component, and dynamically adjust the air-conditioning system according to the control strategy.

8. An air-conditioning system control device, characterized in that, The device includes: An acquisition module, configured to acquire the standard range of environmental parameters of the cigarette making and packing workshop, the environmental control humidity and heat load of the air-conditioning system in the cigarette making and packing workshop, and the monitoring information of each component in the air-conditioning system; A construction module, configured to construct a loss power function with the minimum internal loss of the air-conditioning system as the target and the standard range of environmental parameters as the constraint condition, and analyze the loss power function according to the environmental control humidity and heat load and the monitoring information of each component to obtain the target air-conditioning control parameter set with the minimum internal loss as the target; An adjustment module, configured to dynamically adjust the air-conditioning system according to the target air-conditioning control parameter set and the monitoring information of each component.

9. A computer device, comprising a memory and a processor, the memory storing a computer program, characterized in that, When the processor executes the computer program, the steps of the method according to any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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