CN115200109B - Air conditioning system for rapidly maintaining constant humidity of clean room temperature - Google Patents

Air conditioning system for rapidly maintaining constant humidity of clean room temperature Download PDF

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Publication number
CN115200109B
CN115200109B CN202210906815.0A CN202210906815A CN115200109B CN 115200109 B CN115200109 B CN 115200109B CN 202210906815 A CN202210906815 A CN 202210906815A CN 115200109 B CN115200109 B CN 115200109B
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Prior art keywords
temperature
humidity
air
clean room
heat exchanger
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CN202210906815.0A
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Chinese (zh)
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CN115200109A (en
Inventor
袁培
吕彦力
秦怡滔
朱有健
汪浩波
丁雪琳
王琳贺
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Zhengzhou University of Light Industry
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Zhengzhou University of Light Industry
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/003Ventilation in combination with air cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/117Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
    • F24F8/133Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering by direct contact with liquid, e.g. with sprayed liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Central Air Conditioning (AREA)

Abstract

The invention discloses an air conditioning system for quickly maintaining constant humidity of clean room temperature, which comprises an air conditioning circulating unit, a clean room fresh air pipeline and a clean room exhaust pipeline, wherein a first heat exchanger of the air conditioning circulating unit is connected with a temperature and humidity adjusting circulating water unit, a second heat exchanger of the air conditioning circulating unit is connected with a heat exchange circulating water unit, a temperature and humidity adjusting cavity is arranged on the clean room fresh air pipeline, filtering devices are arranged at an air inlet end and an air supply end of the temperature and humidity adjusting cavity, a spraying assembly is arranged between the filtering devices at the air inlet end and the air supply end, spraying water in the spraying assembly and spraying water in the temperature and humidity adjusting cavity circulate through the temperature and humidity adjusting circulating water unit, and the air conditioning circulating unit and the temperature and humidity adjusting circulating water unit are connected with a control unit. The invention can fully utilize natural cold source through the invalid heat or cold generated by the phase change energy storage device, the cooling tower, the clean room return air and the air conditioner circulation unit, thereby saving energy consumption and realizing stable constant temperature and humidity of the clean room.

Description

Air conditioning system for rapidly maintaining constant humidity of clean room temperature
Technical Field
The invention relates to the technical field of clean room air conditioning equipment, in particular to an air conditioning system for quickly maintaining constant humidity of clean room temperature.
Background
The clean room needs to be in the working environment of constant temperature and humidity throughout the year, and compared with other departments, the clean room has higher requirements on indoor microorganism content, indoor temperature and humidity maintenance and indoor refrigeration effect. The clean room has strong tightness, poor air fluidity, small air quantity and insufficient sunlight, so that microorganisms are easy to breed, and special equipment is needed to inhibit bacterial breeding in order to prevent bacterial breeding and the infection of patients.
Clean rooms generally inhibit bacterial growth in two ways, one being to maintain the clean room operating in a low temperature environment; and secondly, sterilizing and purifying the wind sent into the clean room to reduce the total amount of microorganism particles and microparticles in the ambient air of the clean room to an allowable level.
The clean room not only needs to keep constant temperature and humidity through refrigeration in summer, but also needs to perform refrigeration in winter to adjust the temperature and humidity. Although the outdoor temperature is very low in winter, when the indoor temperature is higher than the temperature required by the clean room, the refrigerating mode is still required to operate, the temperature change inevitably leads to humidity change, the very stable and constant humidity state in the clean room is difficult to maintain, and the same problem exists in the heating mode. Particularly, with the operation of medical instruments in a clean room, the activities of medical staff, the work of auxiliary tools such as illumination and the like, the generated heat can change the temperature and the humidity of the clean room, and the set temperature and humidity working environment is difficult to maintain.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides an air conditioning system for quickly maintaining constant humidity of clean room temperature, which solves the technical problem that the preparation of the existing air conditioner is difficult to quickly reach constant temperature and humidity of the clean room.
The technical scheme of the application is as follows:
the utility model provides an air conditioning system for keeping clean room temperature humidity invariable fast, includes air conditioning circulation unit, clean room fresh air pipeline, clean room exhaust duct, air conditioning circulation unit's first heat exchanger is connected with temperature and humidity regulation circulating water unit, air conditioning circulation unit's second heat exchanger is connected with the heat exchange circulating water unit, be provided with the temperature and humidity regulation chamber on the clean room fresh air pipeline, temperature and humidity regulation chamber's air inlet end and air supply end all are provided with filter equipment, are provided with the subassembly that sprays between the equal filter equipment of air inlet end and air supply end, spray water in spray assembly and the spray water in the temperature and humidity regulation chamber circulate through temperature and humidity regulation circulating water unit, air conditioning circulation unit, temperature and humidity regulation circulating water unit all link to each other with the control unit.
Further, the heat exchange circulating water unit comprises a cooling water pump, a cooling tower or/and a phase change energy storage device, and exchanges heat with a natural cold source through the cooling tower or/and the phase change energy storage device.
Further, an air pipe heat exchanger is arranged between an air inlet of the fresh air pipeline of the clean room and an air outlet of the air exhaust pipeline of the clean room, two heat exchange return pipes extending out of the second heat exchanger of the heat exchange circulating water unit are arranged in parallel, one heat exchange return pipe directly leads to the cooling tower or/and the phase change energy storage device, the other heat exchange return pipe leads to the cooling tower or/and the phase change energy storage device after passing through the air pipe heat exchanger, and a throttle valve connected with the control unit is arranged on the heat exchange return pipe connected with the air pipe heat exchanger. The air pipe heat exchanger can be a total heat exchanger or a sensible heat exchanger.
Further, an ultraviolet sterilization device and a high-efficiency filter are arranged in a fresh air pipeline between the temperature and humidity adjusting cavity and the clean room, and the high-efficiency filter is arranged in the fresh air pipeline between the ultraviolet sterilization device and the clean room.
Further, the filtering device at the air inlet end of the temperature and humidity adjusting cavity comprises a low-level filter, a middle-level filter and a front water baffle which are arranged at intervals, wherein the middle-level filter is arranged between the low-level filter and the front water baffle, and the front water baffle is positioned at one side close to the spraying assembly.
Further, the filtering device of the air supply end of the temperature and humidity adjusting cavity comprises a rear water baffle, a high-level filter and a heater which are arranged at intervals, wherein the high-level filter is arranged between the rear water baffle and the heater, and the rear water baffle is positioned on one side close to the spraying assembly.
Further, spray the subassembly and include a plurality of along the calandria of the circulation cross-section arrangement of temperature and humidity regulation chamber, follow the length direction of calandria is provided with a plurality of atomizing nozzle, the calandria links to each other with the temperature and humidity regulation water supply pipe of temperature and humidity regulation circulating water unit, and the temperature and humidity regulation return pipe intercommunication of temperature and humidity regulation circulating water unit is in the bottom of temperature and humidity regulation chamber, the calandria is provided with two sets of, and two sets of calandria are located the front and back both ends in temperature and humidity regulation chamber respectively, and the atomizer on two sets of calandria is relative from beginning to end.
Further, the temperature and humidity regulation circulating water unit circulation includes the temperature and humidity regulation circulating pump that links to each other with first heat exchanger, and temperature and humidity regulation circulating pump has the solenoid valve switching-over through temperature and humidity regulation water supply pipe connection, and one access connection temperature and humidity regulation water supply pipe, another access connection of solenoid valve switching-over have second wet return, exit linkage have the second circulating pump, the second circulating pump with the calandria links to each other, second wet return intercommunication is in the bottom in temperature and humidity regulation chamber. Therefore, a structure form of a large regulation cycle and a small regulation cycle can be formed, and the temperature and the humidity can be quickly regulated through the large regulation cycle formed by the temperature and humidity regulation circulating pump, the electromagnetic valve reversing, the second circulating pump, the calandria, the temperature and humidity regulation cavity and the temperature and humidity regulation return pipe; the temperature and the humidity can be finely adjusted through a small adjusting cycle formed by the second circulating pump, the calandria, the temperature and humidity adjusting cavity and the second water return pipe so as to achieve a constant effect; the water in the large regulation circulation and the water in the small regulation circulation are mixed at the reversing position of the electromagnetic valve, and then the mixed water is pumped into the calandria again through the second circulation pump, so that the temperature and humidity regulation under different requirements is adapted.
Further, the control unit comprises a control module, an information acquisition module and an execution module, wherein the information acquisition module comprises an indoor temperature and humidity sensor arranged in a clean room, an intermediate temperature and humidity sensor arranged in a temperature and humidity adjusting cavity and an external temperature and humidity sensor arranged at an air pipe heat exchanger, the execution module comprises an air conditioning circulating unit, a temperature and humidity adjusting circulating pump, an electromagnetic valve reversing valve, a second circulating pump, a cooling water pump, a heater, an air supply fan in a fresh air pipeline of the clean room and an air exhaust fan in an air exhaust pipeline of the clean room, and the control module controls the execution module according to real-time information acquired by the information acquisition module.
Further, the air conditioning circulation unit comprises a compressor, the compressor is respectively connected with the first heat exchanger and the second heat exchanger through a four-way electromagnetic reversing valve, and the first heat exchanger is connected with the second heat exchanger through an expansion valve.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity is far greater than or far less than the target temperature and humidity, the control module controls the compressor to run at high power, so that the refrigerating or heating capacity is improved; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening degree adaptability of the throttle valve is controlled to be reduced, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; and simultaneously controlling the temperature and humidity regulation circulating pump, the second circulating pump and the air supply fan to operate at high power, simultaneously controlling the air exhaust fan to operate at low power, and simultaneously controlling the electromagnetic valve to change direction so as to only conduct the temperature and humidity regulation circulating pump and the second circulating pump.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity is close to the target temperature and humidity, the control module controls the compressor to run at low power; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; simultaneously controlling the temperature and humidity regulation circulating pump, the second circulating pump and the air supply fan to run at low power, simultaneously controlling the air exhaust fan to run at low power, and simultaneously controlling the electromagnetic valve to conduct the temperature and humidity regulation circulating pump, the second water return pipe and the second circulating pump in a reversing way.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity reach the target temperature and humidity, the control module controls the compressor to be closed; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; meanwhile, intermittent low-power operation of the temperature and humidity regulating circulating pump is controlled; when the reversing of the electromagnetic valve is controlled, only the temperature and humidity regulating circulating pump and the second circulating pump are conducted, the temperature and humidity regulating circulating pump is controlled to operate at low power; when the reversing of the electromagnetic valve is controlled, the second water return pipe and the second circulating pump are only conducted, the temperature and humidity regulating circulating pump is controlled to be closed, and the second circulating pump is controlled to operate at high power.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, natural cold sources can be fully utilized through invalid heat or cold generated by the phase change energy storage device, the cooling tower, the clean room return air and the air conditioner circulation unit, so that the energy consumption is saved;
2. according to the invention, the temperature and humidity regulating cavity is connected with the temperature and humidity regulating circulating water unit, so that the air supply quantity in the clean room is increased, the clean room is cooled rapidly, the influence on indoor temperature and humidity caused by medical instrument operation, doctor activity, illumination tool use and the like is reduced, and the set temperature and humidity requirements of the clean room are effectively maintained;
3. the temperature and humidity regulation circulating water unit adopts a structure form of a large regulation cycle and a small regulation cycle, so that the temperature and humidity can be quickly regulated through the large regulation cycle formed by the temperature and humidity regulation circulating pump, the electromagnetic valve reversing, the second circulating pump, the calandria, the temperature and humidity regulation cavity and the temperature and humidity regulation water return pipe, the temperature and humidity can be finely regulated through the small regulation cycle formed by the second circulating pump, the calandria, the temperature and humidity regulation cavity and the second water return pipe to achieve a constant effect, the large regulation cycle and the small regulation cycle can be operated simultaneously, water in the large regulation cycle and water in the small regulation cycle are mixed at the reversing position of the electromagnetic valve, and then the mixed water is pumped into the calandria again through the second circulating pump;
4. the invention can detect the temperature and the humidity of each place through the indoor temperature and humidity sensor, the middle temperature and humidity sensor arranged in the temperature and humidity adjusting cavity and the external temperature and humidity sensor arranged at the air pipe heat exchanger, and further respectively control the air conditioner circulating unit, the temperature and humidity adjusting circulating pump, the electromagnetic valve reversing, the second circulating pump, the cooling water pump, the heater, the fan in the fresh air pipeline of the clean room and the fan in the air exhaust pipeline of the clean room through the control module according to the constant temperature and humidity requirement of the clean room, thereby realizing the energy saving effect of the refrigerating or heating process while realizing the constant temperature and humidity effect.
5. According to the invention, the ultraviolet sterilization device and the high-efficiency filtering device are arranged at the indoor air supply pipeline, so that the indoor microorganism particles and the total particle amount are effectively ensured to be within the allowable range;
6. according to the invention, the front end of the temperature and humidity regulating cavity is provided with the low-level filter and the middle-level filter, fresh air sent by the heat exchanger is filtered twice, and the tail end of the temperature and humidity regulating cavity is provided with the high-level filter and the heater, so that the cleanliness, temperature and humidity of air sent into a clean room are effectively controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the present invention;
reference numerals in the drawings:
1. a front water baffle; 2. a spray assembly; 3. a rear water baffle; 4. a temperature and humidity adjusting cavity; 6. a water filter; 7. a second return pipe; 8. reversing an electromagnetic valve; 9. a second circulation pump; 11. a temperature and humidity regulating return pipe; 12. a first heat exchanger; 13. a circulation pump; 14. an expansion valve; 15. a compressor; 16. a second heat exchanger; 17. a cooling water pump; 18. a four-way electromagnetic reversing valve; 19. an ultraviolet sterilization device; 20. a high-efficiency filter; 21. a high-order filter; 22. a filter; 23. an exhaust duct of the clean room; 24. a heat exchanger; 25. a temperature and humidity adjusting water supply pipe; 26. a refrigerant pipe; 27. a heater; 28. fresh air pipeline of clean room; 29. a low-order filter; 30. a median filter; 31. a water supplementing pipe; 32. a phase change energy storage device; 33. and (5) a cooling tower.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
An air conditioning system for rapidly maintaining constant humidity of clean room temperature, as shown in fig. 1, comprises an air conditioning circulation unit, a clean room fresh air pipeline 28 and a clean room exhaust pipeline 23; the air conditioning circulation unit is in the prior art and is used for refrigerating or heating; the clean room fresh air duct 28 can send outdoor fresh air into the clean room under the action of the air supply fan, and the clean room exhaust duct 23 can exhaust air in the clean room to the outside under the action of the exhaust fan.
The air conditioning cycle unit comprises a compressor 15, wherein the compressor 15 is respectively connected with a first heat exchanger 12 and a second heat exchanger 16 through a four-way electromagnetic reversing valve 18, and the first heat exchanger 12 is connected with the second heat exchanger 16 through an expansion valve 14. The above matters are all part of the technical scheme, and are not repeated because the core invention matters are not related.
The core content of the technical scheme is as follows: the first heat exchanger 12 of the air conditioning circulating unit is connected with a temperature and humidity adjusting circulating water unit, and the temperature and humidity adjusting circulating water unit can acquire heat or cold from the first heat exchanger 12; the second heat exchanger 16 of the air conditioning cycle unit is connected with a heat exchange cycle water unit, and the heat exchange cycle water unit can absorb useless heat or cold energy generated by the air conditioning cycle unit. The first heat exchanger 12 and the second heat exchanger 16 preferably use shell-and-tube heat exchangers, so that energy can be efficiently transferred to the water medium of the temperature and humidity adjustment circulating water unit and the heat exchange circulating water unit.
The fresh air pipeline 28 of the clean room is provided with a temperature and humidity adjusting cavity 4, and an air inlet end and an air supply end of the temperature and humidity adjusting cavity 4 are respectively provided with a filter device for filtering fresh air; a spraying assembly 2 is arranged between the filtering devices at the air inlet end and the air supply end, and the spraying assembly 2 is used for adjusting the temperature and the humidity of fresh air; the spray water in the spray assembly 2 and the spray water in the temperature and humidity adjusting cavity 4 circulate through the temperature and humidity adjusting circulating water unit, and the air conditioning circulating unit and the temperature and humidity adjusting circulating water unit are connected with the control unit. Through the regulation and control of the control unit, the temperature and humidity of fresh air can be efficiently and reliably regulated through the spraying component in the temperature and humidity regulating cavity 4, and then the constant temperature and humidity of the clean room is ensured.
In this embodiment, the temperature and humidity regulation chamber is connected with the temperature and humidity regulation circulating water unit, so that the air supply volume in the clean room is increased, the clean room is cooled down quickly, the influence on the indoor temperature and humidity caused by the operation of medical equipment, the activities of doctors, the use of illumination tools and the like is weakened, and the requirements of the clean room on setting the temperature and humidity are effectively maintained
On the basis of the above embodiment, as a preferred embodiment, the heat exchange circulating water unit includes a cooling water pump 17, a cooling tower 33, and/or a phase change energy storage device 32, and exchanges heat with a natural cold and heat source through the cooling tower 33 and/or the phase change energy storage device 32. Namely, not only the useless heat or cold generated by the air conditioning circulation unit can be discharged through the second heat exchanger 16, but also the heat exchange can be performed through the natural cold source or the heat source, so that the energy in the circulating water of the heat exchange circulating water unit is released to the external environment. In addition, if the phase change energy storage device 32 is installed in the cooling tower 33, natural cold sources or heat sources can be stored, so that energy is effectively saved.
On the basis of the above embodiment, as a preferred embodiment, an air duct heat exchanger 24 is disposed between the air inlet of the clean room fresh air duct 28 and the air outlet of the clean room exhaust duct 23, and the air duct heat exchanger 24 can exchange energy discharged from the clean room into the fresh air of the clean room fresh air duct 28, so as to improve the energy utilization rate, and not only preheat or precool the fresh air, but also save energy and protect environment.
Further, a filter 22 is disposed in the clean room exhaust duct 23.
Further, two heat exchange water return pipes extending from the second heat exchanger 16 are arranged in parallel, one heat exchange water return pipe directly leads to the cooling tower 33 or/and the phase change energy storage device 32, and the other heat exchange water return pipe leads to the cooling tower 33 or/and the phase change energy storage device 32 after passing through the air pipe heat exchanger 24. The heat exchange return pipe can further improve the utilization rate of energy through the air pipe heat exchanger 24, so that useless energy generated by the air conditioning circulating unit is fully utilized without being diffused into the external environment through the heat exchange circulating water unit. A throttle valve connected with the control unit is arranged on the heat exchange water return pipe connected with the air pipe heat exchanger 24, and the temperature at the air pipe heat exchanger 24 can be adjusted by controlling the opening degree of the throttle valve.
Specifically, in the heating process of the air conditioning circulation unit, under the action of the four-way electromagnetic reversing valve 18, the high-temperature and high-pressure refrigerant generated by the compressor 15 is conveyed to the first heat exchanger 12, and the first heat exchanger 12 exchanges heat of the high-temperature and high-pressure refrigerant to the temperature and humidity regulation circulating water unit for spraying in the temperature and humidity regulation cavity 4; the refrigerant in the first heat exchanger 12 is discharged and then is converted into low-temperature low-pressure refrigerant through the expansion valve 14, the low-temperature low-pressure refrigerant enters the second heat exchanger 16, and the second heat exchanger 16 can exchange part of cold energy to the air pipe heat exchanger 24, so that the temperature of gas discharged in the clean room can be reduced, condensation at the air pipe heat exchanger 24 due to overlarge temperature difference between fresh air and discharge is avoided, and the air pipe heat exchanger 24 is always kept in a dry state, namely, bacteria breeding at the air pipe heat exchanger 24 is avoided.
Similarly, in the refrigerating process of the air conditioning circulating unit, under the action of the four-way electromagnetic reversing valve 18, the high-temperature and high-pressure refrigerant generated by the compressor 15 is conveyed to the second heat exchanger 16, and the second heat exchanger 16 exchanges part of heat of the high-temperature and high-pressure refrigerant to the heat exchange circulating water unit and the other part to the air pipe heat exchanger 24, so that the temperature of the air discharged from the clean room can be improved, condensation at the air pipe heat exchanger 24 due to overlarge temperature difference between fresh air and discharged air is avoided, and the air pipe heat exchanger 24 is always kept in a dry state, namely, germs are prevented from breeding at the air pipe heat exchanger 24. The refrigerant in the second heat exchanger 16 is discharged and then converted into low-temperature low-pressure refrigerant through the expansion valve 14, the low-temperature low-pressure refrigerant enters the first heat exchanger 12, and the first heat exchanger 12 exchanges heat of the high-temperature high-pressure refrigerant to the temperature and humidity regulation circulating water unit for spraying in the temperature and humidity regulation cavity 4.
On the basis of the above embodiment, as a preferred embodiment, an ultraviolet sterilization device 19 and a high-efficiency filter 20 are disposed in a fresh air duct between the temperature and humidity adjusting chamber 4 and the clean room, and the high-efficiency filter 20 is disposed in the fresh air duct between the ultraviolet sterilization device 19 and the clean room. The ultraviolet sterilization device 19 and the high-efficiency filter 20 perform high-intensity sterilization and filtration on the air sent into the clean room, and effectively control the total amount of microorganism particles and microparticles in the ambient air of the clean room.
On the basis of the foregoing embodiments, as a preferred embodiment, the filtering device at the air inlet end of the temperature and humidity adjusting cavity 4 includes a low-level filter 29, a middle-level filter 30 and a front water baffle 1 that are disposed at intervals, where the middle-level filter 30 is disposed between the low-level filter 29 and the front water baffle 1, and the front water baffle 1 is located at a side close to the spray assembly 2. The filtering device at the air supply end of the temperature and humidity adjusting cavity 4 comprises a rear water baffle 3, a high-level filter 21 and a heater 27 which are arranged at intervals, wherein the high-level filter 21 is arranged between the rear water baffle 3 and the heater 27, and the rear water baffle 3 is positioned on one side close to the spraying assembly 2. The fresh air sent through the air pipe heat exchanger is filtered twice through the low-level filter 29 and the medium-level filter 30, and the high-level filter 21 and the heater 27 are arranged at the tail end of the temperature and humidity adjusting cavity 4, so that the cleanliness, the temperature and the humidity of the air sent into the clean room are effectively controlled.
The temperature and humidity regulation circulating water unit is communicated with the spraying assembly 2, water flowing out from the first heat exchanger 12 sprays a large amount of mist spray to fresh air by the spraying assembly 2, the air and the water are subjected to heat and humidity exchange, then are subjected to primary efficient filtration to remove mist water drops, reach the required temperature through the heater 27, are sent into an air supply pipeline, and are sent into a clean room through the ultraviolet sterilization device 19 and the secondary efficient filter 20.
On the basis of the above embodiment, as a preferred embodiment, the spray assembly 2 includes a plurality of calandria arranged along the flow section of the temperature and humidity adjusting cavity 4, and a plurality of atomizing nozzles are arranged along the length direction of the calandria, so as to ensure the sufficiency of atomization effect, ensure that the whole temperature and humidity adjusting cavity 4 is filled with atomized water, and ensure that fresh air passing through the temperature and humidity adjusting cavity 4 can be subjected to full and reliable heat exchange and humidity exchange.
On the basis of the above embodiment, as a preferred embodiment, the drain pipe is connected to the temperature and humidity adjustment water supply pipe 25 of the temperature and humidity adjustment circulating water unit, and the temperature and humidity adjustment water return pipe 11 of the temperature and humidity adjustment circulating water unit is connected to the bottom of the temperature and humidity adjustment cavity 4, so that the sprayed water can be converged at the bottom of the temperature and humidity adjustment cavity 4, and then flows into the temperature and humidity adjustment water return pipe 11 for recycling. The calandria is provided with two sets of, and two sets of calandria are located the front and back both ends of temperature and humidity control chamber 4 respectively, and the atomizer on two sets of calandria is relative front and back, has not only increased the volume of water smoke, makes nozzle spun water smoke moreover can collide each other, and then arouses more even fine and smooth water smoke, further improves heat exchange and humidity control effect.
Further, for convenient observation and maintenance, a waterproof lighting device and a closed inspection door are arranged in the temperature and humidity adjusting cavity 4.
On the basis of the above embodiment, as a preferred embodiment, the temperature and humidity regulation circulating water unit circulation includes a temperature and humidity regulation circulating pump 13 connected to the first heat exchanger 12, and the temperature and humidity regulation circulating pump 13 is used for driving water through heat exchange with the first heat exchanger 12 to circulate. The temperature and humidity regulation circulating pump 13 is connected with an electromagnetic valve reversing 8 through a temperature and humidity regulation water supply pipe 25, one inlet of the electromagnetic valve reversing 8 is connected with the temperature and humidity regulation water supply pipe 25, the other inlet is connected with a second water return pipe 7, and the outlet is connected with a second circulating pump 9; namely, the electromagnetic valve reversing 8 can be independently communicated with the temperature and humidity regulation water supply pipe 25 and the second circulating pump 9, can be independently communicated with the second water return pipe 7 and the second circulating pump 9, and can be simultaneously communicated with the temperature and humidity regulation water supply pipe 25, the second water return pipe 7 and the second circulating pump 9.
Further, the ends of the second water return pipe 7 and the temperature and humidity adjusting water return pipe 11 are respectively provided with a water filter 6.
The second circulating pump 9 is connected with the calandria, and the second water return pipe 7 is communicated with the bottom of the temperature and humidity regulating cavity 4, so that a structural form of a large regulating cycle and a small regulating cycle can be formed, and the temperature and humidity can be rapidly regulated through the large regulating cycle formed by the temperature and humidity regulating circulating pump 13, the electromagnetic valve reversing 8, the second circulating pump 9, the calandria, the temperature and humidity regulating cavity 4 and the temperature and humidity regulating water return pipe 11; the temperature and the humidity can be finely adjusted through small adjustment circulation formed by the second circulation pump 9, the exhaust pipes, the temperature and humidity adjustment cavity 4 and the second water return pipe 7 so as to achieve a constant effect; the large regulating circulation and the small regulating circulation can be operated simultaneously, so that water in the large regulating circulation and water in the small regulating circulation are mixed at the position of the electromagnetic valve 8, and then the mixed water is pumped into the calandria again through the second circulating pump 9, so that the temperature and humidity regulation under different requirements is adapted.
On the basis of the above embodiment, as a preferred embodiment, the control unit includes a control module, an information acquisition module and an execution module, where the control module controls the execution module to perform corresponding action adjustment according to the real-time information acquired by the information acquisition module.
Specifically, the information acquisition module comprises an indoor temperature and humidity sensor arranged in a clean room, a middle temperature and humidity sensor arranged in the temperature and humidity adjusting cavity 4 and an external temperature and humidity sensor arranged at the air pipe heat exchanger 24; the execution module comprises a compressor 15 of an air conditioning circulation unit, a temperature and humidity adjusting circulation pump 13, a throttle valve, an electromagnetic valve reversing 8, a second circulation pump 9, a cooling water pump 17, a heater 27, an air supply fan in a clean room fresh air pipeline 28 and an air exhaust fan in a clean room air exhaust pipeline 23. In the technical scheme, each pump and each fan are frequency conversion pumps.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity is far greater than or far less than the target temperature and humidity, the control module controls the compressor 15 to run at high power, so that the refrigerating or heating capacity is improved; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening degree of the throttle valve is controlled to be adaptively reduced, the phenomenon that the energy transmitted to the air pipe heat exchanger 24 cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger 24 and fresh air is too high to cause condensation can be avoided; simultaneously, the temperature and humidity regulation circulating pump 13, the second circulating pump 9 and the air supply fan are controlled to operate at high power, meanwhile, the air exhaust fan is controlled to operate at low power, and the electromagnetic valve reversing 8 is controlled to only conduct the temperature and humidity regulation circulating pump 13 and the second circulating pump 9.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity is close to the target temperature and humidity, the control module controls the compressor 15 to run at low power; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger 24 cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger 24 and fresh air is too high to cause condensation can be avoided; simultaneously, the temperature and humidity regulation circulating pump 13, the second circulating pump 9 and the air supply fan are controlled to run at low power, meanwhile, the air exhaust fan is controlled to run at low power, and the electromagnetic valve reversing 8 is controlled to conduct the temperature and humidity regulation circulating pump 13, the second water return pipe 7 and the second circulating pump 9.
When the indoor temperature and humidity sensor detects that the indoor temperature and humidity reaches the target temperature and humidity, the control module controls the compressor 15 to be closed; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger 24 cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger 24 and fresh air is too high to cause condensation can be avoided; meanwhile, the temperature and humidity regulating circulating pump 13 is controlled to intermittently run at low power; when the electromagnetic valve reversing 8 is controlled to be conducted with the temperature and humidity adjusting circulating pump 13 and the second circulating pump 9, the temperature and humidity adjusting circulating pump 13 is controlled to run at low power; when the electromagnetic valve reversing 8 is controlled to only conduct the second water return pipe 7 and the second circulating pump 9, the temperature and humidity adjusting circulating pump 13 is controlled to be closed, and the second circulating pump 9 is controlled to operate at high power.
The present invention is not limited to the conventional technical means known to those skilled in the art.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (7)

1. An air conditioning system for rapidly maintaining constant humidity of clean room temperature comprises an air conditioning circulation unit, a clean room fresh air pipeline (28) and a clean room exhaust pipeline (23), and is characterized in that: the first heat exchanger (12) of the air conditioning circulating unit is connected with a temperature and humidity adjusting circulating water unit, the second heat exchanger (16) of the air conditioning circulating unit is connected with a heat exchange circulating water unit, a fresh air pipeline (28) of the clean room is provided with a temperature and humidity adjusting cavity (4), an air inlet end and an air supply end of the temperature and humidity adjusting cavity (4) are respectively provided with a filtering device, a spraying assembly (2) is arranged between the filtering devices of the air inlet end and the air supply end, spraying water in the spraying assembly (2) and spraying water in the temperature and humidity adjusting cavity (4) circulate through the temperature and humidity adjusting circulating water unit, and the air conditioning circulating unit and the temperature and humidity adjusting circulating water unit are connected with a control unit;
an air pipe heat exchanger (24) is arranged between an air inlet of the clean room fresh air pipeline (28) and an air outlet of the clean room exhaust pipeline (23), two heat exchange return pipes extending out of the second heat exchanger (16) are arranged in parallel, one heat exchange return pipe directly leads to the cooling tower (33) or/and the phase change energy storage device (32), the other heat exchange return pipe leads to the cooling tower (33) or/and the phase change energy storage device (32) after passing through the air pipe heat exchanger (24), and a throttle valve connected with a control unit is arranged on the heat exchange return pipe connected with the air pipe heat exchanger (24);
the spraying assembly (2) comprises a plurality of calandria arranged along the flow section of the temperature and humidity adjusting cavity (4);
the temperature and humidity regulation circulating water unit comprises a temperature and humidity regulation circulating pump (13) connected with a first heat exchanger (12), the temperature and humidity regulation circulating pump (13) is connected with an electromagnetic valve reversing device (8) through a temperature and humidity regulation water supply pipe (25), one inlet of the electromagnetic valve reversing device (8) is connected with the temperature and humidity regulation water supply pipe (25), the other inlet of the electromagnetic valve reversing device is connected with a second water return pipe (7), the outlet of the electromagnetic valve reversing device is connected with a second circulating pump (9), the second circulating pump (9) is connected with the calandria, and the second water return pipe (7) is communicated with the bottom of a temperature and humidity regulation cavity (4);
the control unit comprises a control module, an information acquisition module and an execution module, wherein the information acquisition module comprises an indoor temperature and humidity sensor arranged in a clean room, a middle temperature and humidity sensor arranged in a temperature and humidity adjusting cavity (4) and an external temperature and humidity sensor arranged at an air pipe heat exchanger (24), the execution module comprises an air conditioning circulation unit, a temperature and humidity adjusting circulation pump (13), an electromagnetic valve reversing (8), a second circulation pump (9), a cooling water pump (17), a heater (27) and an air supply fan in a clean room fresh air pipeline (28) and an air exhaust fan in a clean room air exhaust pipeline (23), and the control module controls the execution module according to real-time information acquired by the information acquisition module;
when the indoor temperature and humidity sensor detects that the indoor temperature and humidity is far greater than or far less than the target temperature and humidity, the control module controls the air conditioner circulation unit to operate at high power, so that the refrigerating or heating capacity is improved; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening degree adaptability of the throttle valve is controlled to be reduced, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; simultaneously controlling the temperature and humidity regulating circulating pump, the second circulating pump and the air supply fan to operate at high power, simultaneously controlling the air exhaust fan to operate at low power, and simultaneously controlling the electromagnetic valve to change direction so as to only conduct the temperature and humidity regulating circulating pump and the second circulating pump;
when the indoor temperature and humidity sensor detects that the indoor temperature and humidity is close to the target temperature and humidity, the control module controls the air conditioner circulating unit to run at low power; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; simultaneously controlling the temperature and humidity regulation circulating pump, the second circulating pump and the air supply fan to run at low power, simultaneously controlling the air exhaust fan to run at low power, and simultaneously controlling the electromagnetic valve to conduct the temperature and humidity regulation circulating pump, the second water return pipe and the second circulating pump in a reversing way;
when the indoor temperature and humidity sensor detects that the indoor temperature and humidity reach the target temperature and humidity, the control module controls the air conditioner circulation unit to be closed; meanwhile, according to the comparison of the temperature value detected by the external temperature and humidity sensor and the set value, the opening of the throttle valve is controlled to be adaptively increased, the phenomenon that the energy transmitted to the air pipe heat exchanger cannot play a role in avoiding condensation is avoided, and the phenomenon that the temperature difference between the air pipe heat exchanger and fresh air at the air pipe heat exchanger is too high to cause condensation can be avoided; meanwhile, intermittent low-power operation of the temperature and humidity regulating circulating pump is controlled; when the reversing of the electromagnetic valve is controlled, only the temperature and humidity regulating circulating pump and the second circulating pump are conducted, the temperature and humidity regulating circulating pump is controlled to operate at low power; when the reversing of the electromagnetic valve is controlled, the second water return pipe and the second circulating pump are only conducted, the temperature and humidity regulating circulating pump is controlled to be closed, and the second circulating pump is controlled to operate at high power.
2. The air conditioning system for rapidly maintaining constant humidity of a clean room temperature according to claim 1, wherein: the heat exchange circulating water unit comprises a cooling water pump (17), a cooling tower (33) or/and a phase change energy storage device (32), and performs heat exchange with a natural cold source through the cooling tower (33) or/and the phase change energy storage device (32).
3. The air conditioning system for rapidly maintaining constant humidity of a clean room temperature according to claim 1, wherein: an ultraviolet sterilization device (19) and a high-efficiency filter (20) are arranged in a fresh air pipeline between the temperature and humidity adjusting cavity (4) and the clean room, and the high-efficiency filter (20) is arranged in the fresh air pipeline between the ultraviolet sterilization device (19) and the clean room.
4. An air conditioning system for rapidly maintaining constant humidity at a clean room temperature according to any one of claims 1 to 3, wherein: the filtering device of the air inlet end of the temperature and humidity adjusting cavity (4) comprises a low-level filter (29), a middle-level filter (30) and a front water baffle (1) which are arranged at intervals, wherein the middle-level filter (30) is arranged between the low-level filter (29) and the front water baffle (1), and the front water baffle (1) is positioned at one side close to the spraying assembly (2).
5. The air conditioning system for rapidly maintaining a constant humidity of a clean room temperature of claim 4, wherein: the filtering device of the air supply end of the temperature and humidity adjusting cavity (4) comprises a rear water baffle (3), a high-level filter (21) and a heater (27) which are arranged at intervals, wherein the high-level filter (21) is arranged between the rear water baffle (3) and the heater (27), and the rear water baffle (3) is positioned at one side close to the spraying assembly (2).
6. The air conditioning system for rapidly maintaining a constant humidity of a clean room temperature of claim 5, wherein: along the length direction of calandria is provided with a plurality of atomizing nozzle, the calandria links to each other with temperature and humidity regulation water supply pipe (25) of temperature and humidity regulation circulating water unit, and temperature and humidity regulation water return pipe (11) of temperature and humidity regulation circulating water unit communicate in the bottom of temperature and humidity regulation chamber (4), the calandria is provided with two sets of, and two sets of calandria are located the front and back both ends in temperature and humidity regulation chamber (4) respectively, and the atomizer on two sets of calandria is relative from beginning to end.
7. An air conditioning system for rapidly maintaining constant humidity at clean room temperature according to any one of claims 1 to 3, 5 to 6, characterized in that: the air conditioning circulation unit comprises a compressor (15), the compressor (15) is respectively connected with the first heat exchanger (12) and the second heat exchanger (16) through a four-way electromagnetic reversing valve (18), and the first heat exchanger (12) is connected with the second heat exchanger (16) through an expansion valve (14).
CN202210906815.0A 2022-07-29 2022-07-29 Air conditioning system for rapidly maintaining constant humidity of clean room temperature Active CN115200109B (en)

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