Dynamic energy-saving purification air conditioning system and control method thereof

Abstract

The invention relates to the technical field of air purification and air conditioning systems of pharmaceutical enterprise production workshops, and discloses a dynamic energy-saving purification air conditioning system and a control method thereof. Comprising an air processing unit, a central control system, an air quality monitoring unit, an air filtering unit, an energy recovery unit, a user interaction interface, an automatic alarm unit and a maintenance and repair interface, by integrating the air processing unit, the central control system, the air quality monitoring unit, the air filtering unit, the energy recovery unit, the user interaction interface, the automatic alarm unit and the maintenance and repair interface, energy consumption can be effectively reduced, and the energy utilization efficiency is improved; the air supply amount and the ventilation frequency can be dynamically adjusted according to the actual requirements of the cleaning function room, the system can adapt to the operation states of different production lines in the workshop, when part of the production lines stop production, energy consumption of related areas is automatically reduced, and the energy utilization efficiency of overall production is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air purification and air conditioning systems in production workshops of pharmaceutical enterprises, and in particular to a dynamic energy-saving purification air conditioning system and a control method thereof. Background Art

[0002] The pharmaceutical industry is an important part of my country's national economy. It is a combination of traditional and modern industries, and integrates the primary, secondary and tertiary industries. Its main categories include chemical raw materials and preparations, Chinese medicinal materials, Chinese herbal medicine slices, Chinese patent medicines, antibiotics, biological products, biochemical drugs, radioactive drugs, medical devices, sanitary materials, pharmaceutical machinery, pharmaceutical packaging materials and pharmaceutical commerce. In the pharmaceutical industry, the air purification and air conditioning system of the production workshop is crucial to ensure the quality of drugs and production safety.

[0003] Traditional air purification and air conditioning systems often have problems such as high energy consumption, inflexible adjustment and high maintenance costs. They are unable to adapt to the operating conditions of different production lines in the workshop, which reduces the overall energy utilization efficiency of production, increases operating costs, increases equipment wear and reduces the service life of equipment.

[0004] To this end, we propose a dynamic energy-saving purification air-conditioning system and its control method. Summary of the invention

[0005] The present invention mainly solves the technical problems existing in the above-mentioned prior art and provides a dynamic energy-saving purification air-conditioning system and a control method thereof.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme, a dynamic energy-saving purification air-conditioning system, an air handling unit, a central control system, an air quality monitoring unit, an air filtration unit, an energy recovery unit, a user interaction interface, an automatic alarm unit and a maintenance and repair interface, the air handling unit includes a combined air-conditioning device, a supply air duct, a return air duct, an exhaust air duct, a supply air variable air volume valve, a return air variable air volume valve and a supply air pressure sensor, the supply air duct, the return air duct and the exhaust air duct are respectively installed on the combined air-conditioning device, the supply air variable air volume valve is installed at the air supply outlet of the supply air duct, the supply air variable air volume valve is used to control the supply air volume at the air supply outlet, and the cleanliness standard and ventilation frequency requirements of the clean function room are achieved by dynamically adjusting the supply air volume, the return air variable air volume valve is installed at the return air outlet of the return air duct, and the return air variable air volume valve is used to adjust the exhaust air volume or the return air volume to maintain the relative pressure difference between the clean function rooms.

[0007] Preferably, the air supply pressure sensor is installed inside the air supply pipe, and the air supply pressure sensor is used to monitor the pressure change in the air supply pipe.

[0008] Preferably, the combined air conditioning equipment automatically adjusts the operating frequency of the inverter according to the pressure change in the air supply duct, reduces the operating power of the total air supply motor, and achieves energy saving and consumption reduction.

[0009] Preferably, the central control system includes a temperature sensor, a humidity sensor and a control strategy module.

[0010] Preferably, the central control system collects and analyzes the temperature and humidity environmental parameters in the production workshop in real time through temperature sensors and humidity sensors, and automatically adjusts the working state of the air handling unit according to the control strategy preset by the control strategy module.

[0011] Preferably, the air quality monitoring unit comprises a particle concentration sensor and a microbial content sensor.

[0012] Preferably, the air quality monitoring unit is used to monitor the air quality in the production workshop in real time and transmit the monitoring data to the central control system.

[0013] Preferably, the air filtration unit is used to remove particulate matter and microorganisms in the air to ensure that the air entering the production workshop reaches the cleanliness level specified by the pharmaceutical industry.

[0014] Preferably, the energy recovery unit comprises a heat recovery device and a cold recovery device.

[0015] Preferably, the energy recovery unit is used to recover waste heat and waste cold generated during the operation of the air-conditioning system, and use this energy to preheat or precool fresh air through a heat recovery device and a cold recovery device, thereby reducing the energy consumption of the air-conditioning system.

[0016] Preferably, the user interaction interface allows an operator to view system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through a touch screen or computer interface.

[0017] Preferably, the automatic alarm unit comprises an alarm sensor and an alarm system.

[0018] Preferably, the automatic alarm unit is used to monitor the system operating status in real time. Once an abnormal situation is detected, it will automatically trigger an alarm to notify maintenance personnel to conduct inspections and repairs.

[0019] Preferably, the maintenance and repair interface can provide a convenient access point for maintenance personnel to facilitate regular inspections and necessary maintenance work on the system.

[0020] A control method for a dynamic energy-saving and purification air conditioning system includes the above-mentioned dynamic energy-saving and purification air conditioning system, and specifically includes the following steps:

[0021] Step 1: Start the system and perform self-test: After the system is started, the central control system will automatically perform a series of self-test procedures to ensure that all components are in normal working condition. The self-test includes checking the functionality and connectivity of key components such as the air quality monitoring unit, air filtration unit, energy recovery unit, user interface, automatic alarm unit and maintenance and repair interface;

[0022] Step 2: Real-time monitoring and adjustment: After passing the self-test, the system will enter the normal operation mode. The central control system will monitor the temperature, humidity and air quality in the production workshop in real time, and automatically adjust the working state of the air handling unit according to the preset control strategy to maintain the required environmental parameters;

[0023] Step 3: Energy recovery and optimization: The system will monitor the waste heat and waste cold generated during the operation of the air-conditioning system in real time and recover them through the energy recovery unit. The heat recovery device and the cold recovery device will use this energy to preheat or precool the fresh air, thereby reducing the energy consumption of the air-conditioning system and achieving energy saving and consumption reduction;

[0024] Step 4: User interaction and alarm response: Operators can view system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through the user interface. Once the automatic alarm unit detects an abnormal situation, it will automatically trigger an alarm to notify maintenance personnel to conduct inspections and repairs.

[0025] Step 5: Maintenance and overhaul: Maintenance personnel can conduct regular inspections and necessary maintenance work on the system through the maintenance and overhaul interface to ensure the long-term stable operation of the system. The system will record the historical data of maintenance and overhaul to provide a reference for future maintenance.

[0026] The present invention provides a dynamic energy-saving purification air conditioning system and a control method thereof. It has the following beneficial effects:

[0027] 1. The dynamic energy-saving purification air-conditioning system and its control method, by integrating an air handling unit, a central control system, an air quality monitoring unit, an air filtration unit, an energy recovery unit, a user interaction interface, an automatic alarm unit and a maintenance and repair interface, can not only effectively reduce energy consumption and improve energy utilization efficiency, but also dynamically adjust the air supply volume and ventilation times according to the actual needs of the clean function room, thereby greatly reducing energy consumption. Moreover, the adjustment is flexible, the maintenance cost is low, and the system is stable and reliable. It can adapt to the operating status of different production lines in the workshop. When some production lines are shut down, the energy consumption of related areas is automatically reduced, and the energy utilization efficiency of the overall production is improved. By reducing the operating power and overall energy consumption of the air supply motor, the operating cost is saved, and at the same time, the wear of the equipment is reduced and the service life of the equipment is extended, providing an innovative solution for the air purification and air-conditioning system in the production workshop of pharmaceutical companies.

[0028] 2. The dynamic energy-saving purification air-conditioning system and its control method, by setting up an energy recovery unit, recovers the waste heat and waste cold generated during the operation of the air-conditioning system through a heat recovery device and a cold recovery device. The system achieves the goal of energy saving and consumption reduction and reduces unnecessary energy waste.

[0029] 3. The dynamic energy-saving purification air-conditioning system and its control method are provided with a central control system. The central control system automatically adjusts the working state of the air handling unit according to the real-time monitored temperature, humidity and air quality data to ensure that the environmental parameters in the production workshop are always kept in the best state.

[0030] 4. The dynamic energy-saving purification air-conditioning system and its control method are provided with a user interaction interface and a maintenance and repair interface. Through the user interaction interface, the operator can easily view the system status, adjust parameter settings, and receive system alarms and maintenance prompts. The design of the maintenance and repair interface enables maintenance personnel to easily inspect and maintain the system, thereby reducing maintenance costs.

[0031] 5. The dynamic energy-saving purification air-conditioning system and its control method, by setting up an air quality monitoring unit and an automatic alarm unit, can promptly detect and handle abnormal situations through real-time monitoring and automatic alarm mechanisms, thereby ensuring the long-term stable operation of the air purification and air-conditioning systems in the production workshop and providing a safe and reliable environment for drug production. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a system module diagram of the present invention;

[0033] Figure 2 The figure is a flow chart of the method of the present invention. DETAILED DESCRIPTION

[0034] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0035] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", "outer", "side", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invented product is usually placed when in use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Embodiment 1: Dynamic energy-saving purification air conditioning system, such as Figure 1As shown, an air handling unit, a central control system, an air quality monitoring unit, an air filtration unit, an energy recovery unit, a user interaction interface, an automatic alarm unit and a maintenance and repair interface, the air handling unit includes a combined air conditioning device, a supply air duct, a return air duct, an exhaust air duct, a supply air variable air volume valve, a return air variable air volume valve and a supply air pressure sensor, the supply air duct, the return air duct and the exhaust air duct are respectively installed on the combined air conditioning device, the supply air variable air volume valve is installed at the supply air outlet of the supply air duct, the supply air variable air volume valve is used to control the supply air volume at the supply air outlet, and the cleanliness standard and ventilation frequency requirements of the clean function room are achieved by dynamically adjusting the supply air volume, the return air variable air volume valve is installed at the return air outlet of the return air duct, the return air variable air volume valve is used to adjust the exhaust air volume or the return air volume to maintain the relative pressure difference between the clean function rooms, the supply air pressure sensor is installed inside the supply air duct, the supply air pressure sensor is used to monitor the pressure change in the supply air duct, and the combined air conditioning device adjusts the pressure difference according to the pressure in the supply air duct The system automatically adjusts the operating frequency of the inverter according to the force change, reduces the operating power of the total air supply motor, and achieves energy saving and consumption reduction. By integrating the air handling unit, central control system, air quality monitoring unit, air filtration unit, energy recovery unit, user interaction interface, automatic alarm unit and maintenance and repair interface, it can not only effectively reduce energy consumption and improve energy utilization efficiency, but also dynamically adjust the air supply volume and ventilation times according to the actual needs of the clean function room, greatly reducing energy consumption, and it is flexible to adjust, with low maintenance cost, stable and reliable system, and can adapt to the operating status of different production lines in the workshop. When some production lines are shut down, it automatically reduces the energy consumption of related areas and improves the energy utilization efficiency of the overall production. By reducing the operating power and overall energy consumption of the air supply motor, it saves operating costs, reduces equipment wear and extends the service life of the equipment, and provides innovative solutions for the air purification and air-conditioning systems in the production workshops of pharmaceutical companies.

[0041] Embodiment 2: Based on Embodiment 1, Figure 1 As shown, the central control system includes a temperature sensor, a humidity sensor and a control strategy module. The central control system collects and analyzes the temperature and humidity environmental parameters in the production workshop in real time through the temperature sensor and the humidity sensor, and automatically adjusts the working state of the air handling unit according to the control strategy preset by the control strategy module. By setting up an energy recovery unit and recovering the waste heat and waste cold generated during the operation of the air-conditioning system through a heat recovery device and a cold recovery device, the system achieves the goal of energy saving and consumption reduction and reduces unnecessary energy waste.

[0042] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figure 1As shown, the air quality monitoring unit includes a particle concentration sensor and a microbial content sensor. The air quality monitoring unit is used to monitor the air quality in the production workshop in real time and transmit the monitoring data to the central control system. The air filtration unit is used to remove particles and microorganisms in the air to ensure that the air entering the production workshop reaches the cleanliness level specified by the pharmaceutical industry. The energy recovery unit includes a heat recovery device and a cold recovery device. The energy recovery unit is used to recover the waste heat and waste cold generated during the operation of the air-conditioning system, and use the heat recovery device and the cold recovery device to preheat or precool fresh air, thereby reducing the energy consumption of the air-conditioning system. By setting up a central control system, the central control system automatically adjusts the working state of the air handling unit according to the real-time monitored temperature, humidity and air quality data to ensure that the environmental parameters in the production workshop are always kept in the best state.

[0043] Embodiment 4: Based on Embodiment 1, Embodiment 2 and Embodiment 3, Figure 1 As shown, the user interaction interface allows the operator to view the system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through a touch screen or computer interface. The automatic alarm unit includes an alarm sensor and an alarm system. The automatic alarm unit is used to monitor the system operation status in real time. Once an abnormal situation is detected, it will automatically trigger an alarm to notify maintenance personnel to conduct inspections and repairs. The maintenance and repair interface can provide maintenance personnel with a convenient access point to facilitate regular inspections and necessary maintenance work on the system. By setting up a user interaction interface and a maintenance and repair interface, through the user interaction interface, the operator can easily view the system status, adjust parameter settings, and receive system alarms and maintenance prompts. The design of the maintenance and repair interface allows maintenance personnel to easily inspect and maintain the system, reducing maintenance costs.

[0044] Embodiment 5: Based on Embodiment 1, Embodiment 2, Embodiment 3 and Embodiment 4, Figure 2As shown, the control method of the dynamic energy-saving purification air-conditioning system includes the above-mentioned dynamic energy-saving purification air-conditioning system, which specifically includes the following steps: Step 1: Start the system and perform self-test: After the system is started, the central control system will automatically execute a series of self-test procedures to ensure that all components are in normal working condition. The self-test includes checking the functionality and connectivity of key components such as the air quality monitoring unit, air filtration unit, energy recovery unit, user interaction interface, automatic alarm unit and maintenance and repair interface; Step 2: Real-time monitoring and adjustment: After the self-test passes, the system will enter the normal operating mode. The central control system will monitor the temperature, humidity and air quality in the production workshop in real time, and automatically adjust the working state of the air handling unit according to the preset control strategy to maintain the required environmental parameters; Step 3: Energy recovery and optimization: The system will monitor the waste heat and waste cold generated during the operation of the air-conditioning system in real time, and recover them through the energy recovery unit, The heat recovery device and the cold recovery device use this energy to preheat or precool the fresh air, thereby reducing the energy consumption of the air-conditioning system and achieving energy saving and consumption reduction; Step 4: User interaction and alarm response: Operators can view the system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through the user interaction interface. Once the automatic alarm unit detects an abnormal situation, it will automatically trigger an alarm to notify maintenance personnel to conduct inspections and repairs; Step 5: Maintenance and overhaul: Maintenance personnel can conduct regular inspections and necessary maintenance work on the system through the maintenance and overhaul interface to ensure the long-term stable operation of the system. The system will record the historical data of maintenance and overhaul to provide a reference for future maintenance. By setting up an air quality monitoring unit and an automatic alarm unit, through real-time monitoring and automatic alarm mechanisms, abnormal situations can be discovered and handled in a timely manner, ensuring the long-term stable operation of the air purification and air-conditioning systems in the production workshop, providing a safe and reliable environment for drug production.

[0045] The working principle of the present invention is as follows: first, the temperature sensor and humidity sensor monitor the environmental parameters in the workshop in real time, and the central control system automatically adjusts the working state of the air handling unit according to these data to maintain the required environmental parameters. Secondly, the air quality monitoring unit monitors the pollutants in the air through the particle concentration sensor and the microbial content sensor to ensure that the air reaches the specified cleanliness level. In addition, the air supply variable air volume valve is used to control the air supply volume of the air supply port, and the cleanliness standard and ventilation frequency requirements of the clean function room are achieved by dynamically adjusting the air supply volume. When the dust particle data monitored by the online dust particle counter in the clean function room is higher than the preset warning line, the air supply volume and ventilation frequency are increased, otherwise they are reduced. When the monitoring data meets the cleanliness standard, the system automatically controls the air supply variable air volume valve at the air supply port. Reduce the opening degree, thereby reducing the air supply and ventilation times. At the same time, the combined air-conditioning equipment automatically adjusts the operating frequency of the inverter according to the pressure changes in the air supply duct, reduces the operating power of the total air supply motor, and achieves energy saving and consumption reduction. The energy recovery unit uses the heat recovery device and the cold recovery device to recover waste heat and waste cold, further reducing energy consumption. The system also includes a user interaction interface and an automatic alarm unit. The operator can view the system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through the user interaction interface. The automatic alarm unit is responsible for real-time monitoring of the system operation status. Once an abnormal situation is detected, it will automatically trigger an alarm to notify maintenance personnel to inspect and repair. The maintenance and repair interface provides a convenient access point for maintenance personnel to facilitate regular inspections and necessary maintenance work on the system.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Dynamic energy-saving purification air conditioning system, characterized in that: It includes an air handling unit, a central control system, an air quality monitoring unit, an air filtration unit, an energy recovery unit, a user interaction interface, an automatic alarm unit and a maintenance and repair interface. The air handling unit includes a combined air conditioning device, a supply air duct, a return air duct, an exhaust air duct, a supply air variable air volume valve, a return air variable air volume valve and a supply air pressure sensor. The supply air duct, the return air duct and the exhaust air duct are respectively installed on the combined air conditioning device.

2. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The air supply variable air volume valve is installed at the air supply port of the air supply pipe.

3. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The return air variable air volume valve is installed at the return air inlet of the return air duct.

4. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The air supply pressure sensor is installed inside the air supply pipe.

5. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The central control system includes a temperature sensor, a humidity sensor and a control strategy module.

6. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The air quality monitoring unit includes a particle concentration sensor and a microbial content sensor.

7. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The energy recovery unit includes a heat recovery device and a cold recovery device.

8. The dynamic energy-saving purification air conditioning system according to claim 1 is characterized in that: The automatic alarm unit includes an alarm sensor and an alarm system.

9. A control method for a dynamic energy-saving and purification air conditioning system, characterized in that: The dynamic energy-saving purification air conditioning system comprising any one of claims 1 to 8 specifically comprises the following steps: Step 1: Start the system and perform self-test: After the system is started, the central control system will automatically perform a series of self-test procedures to ensure that all components are in normal working condition. The self-test includes checking the functionality and connectivity of key components such as the air quality monitoring unit, air filtration unit, energy recovery unit, user interface, automatic alarm unit and maintenance and repair interface; Step 2: Real-time monitoring and adjustment: After passing the self-test, the system will enter the normal operation mode. The central control system will monitor the temperature, humidity and air quality in the production workshop in real time, and automatically adjust the working state of the air handling unit according to the preset control strategy to maintain the required environmental parameters; Step 3: Energy recovery and optimization: The system will monitor the waste heat and waste cold generated during the operation of the air-conditioning system in real time and recover them through the energy recovery unit. The heat recovery device and the cold recovery device will use this energy to preheat or precool the fresh air, thereby reducing the energy consumption of the air-conditioning system and achieving energy saving and consumption reduction; Step 4: User interaction and alarm response: Operators can view system status, adjust parameter settings, and receive system alarms and maintenance prompts in real time through the user interface. Once the automatic alarm unit detects an abnormal situation, it will automatically trigger an alarm to notify maintenance personnel to conduct inspections and repairs. Step 5: Maintenance and overhaul: Maintenance personnel can conduct regular inspections and necessary maintenance work on the system through the maintenance and overhaul interface to ensure the long-term stable operation of the system. The system will record the historical data of maintenance and overhaul to provide a reference for future maintenance.

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