CN112747390B - Semi-centralized five-scale indoor environment control system and control method - Google Patents
Semi-centralized five-scale indoor environment control system and control method Download PDFInfo
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- CN112747390B CN112747390B CN202110147025.4A CN202110147025A CN112747390B CN 112747390 B CN112747390 B CN 112747390B CN 202110147025 A CN202110147025 A CN 202110147025A CN 112747390 B CN112747390 B CN 112747390B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-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
- F24F3/12—Air-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
- F24F3/14—Air-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/60—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by adding oxygen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- Y—GENERAL 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses a semi-centralized five-scale indoor environment control system.A centralized energy station provides cold and hot water energy for each household five-scale fresh air conditioning unit through pipelines respectively; the household five-balance fresh air conditioning unit comprises a box-type shell, the box-type shell is divided into an upper air loop and a lower water loop, the air loop comprises a fresh air inlet, a return air inlet, an air supply outlet, a filtering section, a fan section, a heating and cooling section, a humidifying section, an oxygen generation and carbon dioxide adsorption module, a first electric air inlet, a second electric air inlet and an air passing channel, and the water loop comprises a water separator, a water collector, a heat exchanger, a first electric water valve and a second electric water valve. Meanwhile, the invention also discloses a control method of the device. The centralized energy source station is provided with a plurality of household type five-balance fresh air conditioning units, so that the air five-balance requirements of each household are met, air is treated with the minimum energy consumption, and the purpose of energy conservation is realized; one unit integrates ventilation, air conditioning and heating, and realizes the simplification of construction and installation and the simplification of operation and adjustment.
Description
Technical Field
The invention belongs to the technical field of indoor fresh air conditioners and cooling and heating, and particularly relates to a semi-centralized five-scale indoor environment control system capable of realizing temperature balancing, humidity balancing, oxygen balancing, cleaning and static balancing and a control method thereof.
Background
The existing fresh air conditioning unit needs to be provided with an outdoor unit for each household, and each household is separately provided with an energy system, so that the occupied space is large, and unified management is inconvenient. Or, whole building sets up vertical new trend pipeline, concentrates the new trend supply, and the new trend is concentrated long distance and is carried, causes the fan energy consumption big, can not adjust according to each family's independent demand. With the proposition of the concepts of temperature balancing, humidity balancing, oxygen balancing, clean balancing and static balancing, companies leading in the research aspect of fresh air conditioning begin to research how to realize the fresh air of five balances.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a semi-centralized five-scale indoor environment control system which is simple in structure, reasonable in layout, easy to popularize and convenient to manage.
Therefore, the technical scheme adopted by the invention is as follows: a semi-centralized five-scale indoor environment control system comprises a centralized energy station and a plurality of household five-scale fresh air conditioning units, wherein the centralized energy station provides cold and hot water energy for each household five-scale fresh air conditioning unit through a pipeline;
the household five-balance fresh air conditioning unit comprises a box-type shell, wherein the box-type shell is divided into an upper air loop and a lower water loop, the air loop comprises a fresh air inlet, a return air inlet, an air supply outlet, a filtering section, a fan section, a heating and cooling section, a humidifying section, an oxygen generation and carbon dioxide adsorption module, a first electric air inlet, a second electric air inlet and an air passing channel, the water loop comprises a water separator, a water collector, a heat exchanger, a first water pipeline, a second water pipeline, a first electric water valve and a second electric water valve, the first electric water valve is arranged on the first water pipeline, the second electric water valve, the water separator, the water collector and the heat exchanger are arranged on the second water pipeline, and the first water pipeline and the second water pipeline are connected in parallel and then connected with the same energy supply water channel of the centralized energy station;
the first water pipeline of the water loop is used for providing cold and hot water for the heating and cooling section and the humidifying section, and the second water pipeline is used for connecting a radiation coil system in a room, so that radiation cooling and heating of each room in the room are realized; the inner wall of the box-type shell is provided with sound-absorbing cotton; the household type five-balance fresh air conditioning unit can provide balanced temperature, balanced humidity, balanced oxygen, balanced cleanness and balanced static fresh air for each household.
Preferably, the fresh air inlet is used for outdoor air inlet, the return air inlet is used for indoor air inlet, the fresh air inlet is provided with a first electric sealed air valve, the return air inlet is provided with a second electric sealed air valve for opening and closing, the oxygen generation and carbon dioxide adsorption modules and the air passing channel are arranged side by side along the air path, and the air passing channel is provided with a third electric sealed air valve for opening and closing; the fresh air inlet is also provided with a first temperature sensor and an air quality sensor, the first electric air inlet and the second electric air inlet can be switched in routes through opening and closing, when the first electric air inlet is switched, the air path does not pass through the heating and cooling section and the humidifying section, and when the second electric air inlet is switched, the air path passes through the heating and cooling section and the humidifying section; the first electric closed air valve and the second electric closed air valve are switched by selecting a fresh air inlet to be independently opened and a return air inlet to be independently opened or simultaneously opening the fresh air inlet and the return air inlet according to the first temperature sensor and the air quality sensor; the first electric closed air valve and the third electric closed air valve are controlled by the oxygen generation and carbon dioxide adsorption module in a linkage manner, when the fresh air inlet is opened, the third electric closed air valve is opened, the oxygen generation and carbon dioxide adsorption module is closed, and when the fresh air inlet is closed, the third electric closed air valve is closed, and the oxygen generation and carbon dioxide adsorption module is opened;
the air supply outlet is provided with a second temperature sensor, the opening degree of the first electric water valve can be adjusted according to the temperature of the air supply outlet to provide cold and hot energy for the heating and cooling section of the upper air loop, the opening degree of the second electric water valve can be adjusted according to the temperature of water on the user side, and the radiation system of each room adopts floor radiation, ceiling radiation or wall radiation.
Further preferably, the fresh air inlet is arranged on the side wall of the box-type casing, the air supply outlet and the return air inlet are arranged on the top wall of the box-type casing at left and right intervals, and the fresh air inlet is close to the return air inlet.
Preferably, the filter section comprises a primary filter section, a middle filter section and a high-efficiency filter section, the primary filter section is arranged at the position of the fresh air port, a middle partition plate is arranged in the box-type shell to divide the upper part into a left row and a right row, the first electric air port and the second electric air port are arranged at the middle lower part of the middle partition plate at an upper-lower interval, the fan section is positioned at the left side of the first electric air port, and the humidifying section and the heating and cooling section are arranged side by side at the left side and the right side of the middle partition plate and are positioned between the first electric air port and the second electric air port; high-efficient filter stage, well effect filter stage set up side by side about the median septum, and are higher than first electronic wind gap, system oxygen and carbon dioxide adsorption module, cross the wind passageway around set up side by side directly over high-efficient filter stage. The internal layout of the box type casing is optimized, the occupied space of the unit is reduced, the energy is further saved, the consumption is reduced, and the five-balance effect is improved.
Further preferably, the fan section adopts a particle damping shock absorber fan, so that the unit noise is weakened, the unit noise balance is ensured to be within a certain range, and the interference to people is avoided.
More preferably, the mounting base of the box-type casing is mounted by adopting a shock-absorbing and sound-insulating pad.
Meanwhile, the invention also provides a control method of the semi-centralized five-scale indoor environment control system, which comprises the semi-centralized five-scale indoor environment control system;
the first electric air port and the second electric air port are opened at different times, the opening and the closing are automatically controlled according to the monitoring condition of a first temperature sensor arranged at the fresh air port on the outdoor temperature tn, when the outdoor temperature tn1 is not more than tn and not more than tn2, the fresh air does not need to be subjected to cold and hot treatment and humidification treatment, the first electric air port is opened, the second electric air port is closed, the fresh air is only subjected to filtration treatment and then is sent into a room through the air supply port, and the cleanliness of the supplied air is guaranteed to be in a certain range;
when the outdoor temperature tn is more than tn2 or tn is less than tn1, the first electric air port is closed, the second electric air port is opened, and the fresh air passes through the heating and cooling section and the humidifying section to carry out cooling and dehumidifying or heating and humidifying treatment on the air so as to ensure that the temperature and humidity of the supplied air are in a certain range;
the fresh air inlet and the return air inlet are controlled to be opened and closed according to the monitoring conditions of the outdoor temperature and the outdoor air quality by a first temperature sensor and an air quality sensor which are arranged at the fresh air inlet: when tn1 is more than or equal to tn2 and PM2.5 is more than or equal to a, the fresh air inlet is opened and the return air inlet is closed; when PM2.5 is larger than or equal to b, the fresh air inlet is closed, the return air inlet is opened, the linked oxygen generation and carbon dioxide adsorption module is started to operate when the fresh air inlet is closed, and the third electric closed air valve closes the air passing channel; when tn is less than tn1 or tn is more than tn2 or a is less than PM2.5 and less than b, the fresh air inlet and the return air inlet are opened simultaneously; when the fresh air port is opened, the third electric closed air valve is opened, and the oxygen generation and carbon dioxide adsorption module is closed; when the fresh air port is opened, the third electric closed air valve is opened, and the oxygen generation and carbon dioxide adsorption module is closed;
according to a second temperature sensor arranged at the air supply opening, the opening of the first electric water valve is automatically adjusted, and the water quantity of the coil pipe of the heating and cooling section is controlled; and automatically adjusting the opening of the second electric water valve according to a water temperature sensor arranged at a user side, and controlling the water quantity of the heat exchanger coil.
The invention has the beneficial effects that:
(a) the multi-working-condition selective operation can be realized, and the condition that the existing unit can not operate under certain conditions such as epidemic situations is avoided;
(b) the resistance of different functional sections is considered, the resistance of the unit is increased through unnecessary functional sections under the multi-working-condition operation is reduced as much as possible, and the energy consumption is saved;
(c) the requirement of air five-balance is met, the air is treated with the minimum energy consumption, and the purpose of energy conservation is realized;
(d) one unit integrates ventilation, air conditioning and heating, so that the simplicity of construction and installation and the simplicity and convenience of operation and adjustment are realized;
(e) the energy stations are arranged in a centralized manner, so that each household is prevented from being provided with an outdoor unit, the occupation of the space of each household is reduced, and the noise interference is reduced;
(f) the energy stations are arranged in a centralized manner, compared with an energy system arranged by each household, the energy form selection range is wider, the energy form with higher energy efficiency can be selected comprehensively, and the energy consumption of the air conditioner is reduced;
(g) the energy station is operated and managed in a centralized way, so that an energy-saving operation management strategy is easier to implement, and a larger operation energy-saving effect is realized;
(h) each household is provided with five fresh air conditioning units, so that the centralized fresh air supply of the whole building is avoided, and a vertical fresh air pipeline is arranged to occupy the use space of each household; meanwhile, the phenomenon that the energy consumption of a fan is wasted due to the centralized long-distance transportation of the fresh air is avoided;
(i) the fresh air is supplied by households, and is convenient to adjust according to the needs of each household, so that the running energy consumption of the fan is saved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a household five-balance fresh air conditioning unit.
Fig. 3 is a sectional view a-a of fig. 2.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-3, a semi-centralized five-balance indoor environment control system is composed of a centralized energy station 19, a plurality of household five-balance fresh air conditioning units and pipelines. The centralized energy station 19 provides cold and hot water energy for each household type five-balance fresh air conditioning unit through pipelines.
The household five-balance fresh air conditioning unit adopts a box-type shell, and the box-type shell is divided into an upper air loop and a lower water loop. The upper wind loop and the lower water loop are separated by a horizontal partition plate. The wind loop is provided with various functional sections, and mainly realizes the treatment of purifying and filtering, heating and cooling, humidifying and dehumidifying, oxygen increasing, carbon dioxide adsorption and the like on the air sent into the house room; the water loop mainly provides cold and hot water for heating, cooling, humidifying and dehumidifying of upper air quantity, and simultaneously provides cold and hot water requirements for a household terminal radiation system.
The air loop mainly comprises a fresh air inlet 1, a return air inlet 2, an air supply outlet 3, a filtering section, a fan section, a heating and cooling section, a humidifying section, an oxygen generation and carbon dioxide adsorption module 16, a first electric air inlet 4, a second electric air inlet 5 and an air passing channel 6. The water loop mainly comprises a water separator 7, a water collector 8, a heat exchanger 9, a first water pipeline, a second water pipeline, a first electric water valve 10 and a second electric water valve 11.
The first electric water valve 10 is installed on a first water pipeline, the second electric water valve 11, the water separator 7, the water collector 8 and the heat exchanger 9 are installed on a second water pipeline, and the first water pipeline and the second water pipeline are connected in parallel and then connected with the same energy supply water channel of the centralized energy station 19. The first water pipeline of the water loop is used for providing cold and hot water for the heating cooling section and the humidifying section, and the second water pipeline is used for connecting the radiant coil system in the room, so that the radiant cooling and heating of each room in the room are realized. The household five-balance fresh air conditioning unit can provide balanced temperature, balanced humidity, balanced oxygen, balanced cleanness and balanced static fresh air for each household.
The fresh air inlet 1 is used for outdoor air inlet, the return air inlet 2 is used for indoor air inlet, the fresh air inlet 1 is provided with a first electric closed air valve, and the return air inlet 2 is provided with a second electric closed air valve for opening and closing. The oxygen generation and carbon dioxide adsorption module 16 and the air passage 6 are arranged side by side along the air passage, and the air passage 6 is provided with a third electrically-operated closed air valve 17 for opening and closing.
The fresh air inlet 1 is also provided with a first temperature sensor and an air quality sensor, and the first electric air inlet 4 and the second electric air inlet 5 carry out route switching according to feedback signals of the temperature sensors. When switching to first electronic wind gap 4, the wind path does not pass through heating cooling section, humidification section, and when switching to second electronic wind gap 5, the wind path will pass through heating cooling section, humidification section.
The first electric closed air valve and the second electric closed air valve select three kinds of switching of independently opening the fresh air inlet 1 and independently opening the return air inlet 2 or simultaneously opening the fresh air inlet 1 and the return air inlet 2 according to the first temperature sensor and the air quality sensor.
The first electric closed air valve and the third electric closed air valve are controlled by the oxygen generation and carbon dioxide adsorption module 16 in a linkage way. When the fresh air port 1 is opened, the third electric closed air valve 17 is opened, and the oxygen generation and carbon dioxide adsorption module 16 is closed; when the fresh air inlet 1 is closed, the third electric closed air valve 17 is closed, and the oxygen generation and carbon dioxide adsorption module 16 is opened. System oxygen and carbon dioxide adsorb module 16 from taking airtight function, when system oxygen and carbon dioxide adsorb module 16 and close, self-sealing, when system oxygen and carbon dioxide adsorb module 16 and start, the air current can pass through.
The first electric water valve 10 and the second electric water valve 11 are arranged on the same energy supply water path in parallel, the air supply outlet 3 is provided with a second temperature sensor, the first electric water valve 10 can adjust the opening degree according to the temperature of the air supply outlet 3 to provide a cold and hot water source for a heating and cooling section and a humidifying section of an upper air loop, and the second electric water valve 11 can adjust the opening degree according to the water temperature of a user side. The water separator 7 and the water collector 8 are used for connecting a radiant coil system in a room, so that radiant cooling and heating of each room in the room are realized. Each household is separately provided with a five-balance fresh air conditioning unit, and each room is separately supplied with heat and cold through a water separator 7 and a water collector 8.
Preferably, the fresh air inlet 1 is arranged on the side wall of the box-type casing, the air supply outlet 3 and the return air inlet 2 are arranged on the top wall of the box-type casing at intervals from left to right, and the fresh air inlet 1 is arranged close to the return air inlet 2.
The filter stages preferably include a primary filter stage 12, a secondary filter stage 13, and a high efficiency filter stage 14. The primary filter section 12 is arranged at the fresh air inlet 1, a middle partition plate 15 is arranged in the box type casing to divide the upper part into a left row and a right row, a first electric air inlet 4 and a second electric air inlet 5 are arranged at the middle lower part of the middle partition plate 15 at an upper-lower interval, the fan section is positioned at the left side of the first electric air inlet 4, and the humidifying section and the heating and cooling section are arranged side by side at the left side and the right side of the middle partition plate 15 and are positioned between the first electric air inlet 4 and the second electric air inlet 5. High-efficient fillter section 14, well effect fillter section 13 set up side by side about median septum 15, and are higher than first electronic wind gap 4, make oxygen and carbon dioxide adsorption module 16, cross and set up side by side directly over high-efficient fillter section 14 around wind passageway 6.
In order to realize silence, the inner wall of the box-type casing is provided with sound absorption cotton. Further, a mounting base of the box type machine shell is mounted by adopting a damping and sound insulating pad; the fan section is a fan with a particle damping shock absorber 18.
A control method of a semi-centralized five-scale indoor environment control system comprises the semi-centralized five-scale indoor environment control system;
the first electric air port 4 and the second electric air port 5 are not opened simultaneously, opening and closing are automatically controlled according to the monitoring condition of a first temperature sensor arranged at the fresh air port 1 to the outdoor temperature tn, when the outdoor temperature tn1 is not less than or equal to tn2, in a certain comfortable temperature range, transition seasons are usually adopted, such as spring and autumn, the temperature is proper, the humidity is proper, phi 1 is not less than or equal to phi 2, cold and hot treatment and humidification treatment are not needed for fresh air, the first electric air port 4 is opened, the second electric air port 5 is closed, the fresh air is filtered and then is sent into a room through the air supply port 3, and the cleanliness of air supply is guaranteed to be in a certain range.
When the outdoor temperature tn is more than tn2 or tn is less than tn1, and the air temperature exceeds a comfortable range, such as tn is more than tn2 in summer, phi is more than phi 2 or tn is less than tn1 in winter, and phi is less than phi 1, at the moment, when the fresh air needs cold and hot or wet treatment, the first electric air port 4 is closed, the second electric air port 5 is opened, and the fresh air passes through the heating and cooling section and the humidifying section to carry out cooling and dehumidifying or heating and humidifying treatment on the air, so that the temperature and humidity balance of the supplied air are ensured to be within a certain range.
The fresh air inlet and the return air inlet are controlled to be opened and closed according to the monitoring conditions of the outdoor temperature and the outdoor air quality by a first temperature sensor and an air quality sensor which are arranged at the fresh air inlet 2: when tn1 is less than or equal to tn2 and PM2.5 is less than or equal to a, the formula: the temperature is proper, the air quality is good, the fresh air inlet 1 is opened, and the return air inlet 2 is closed; when PM2.5 is larger than or equal to b, namely the air quality is extremely poor, or the outdoor air contains viruses and the like, the fresh air inlet 1 is closed, the return air inlet 2 is opened, the linked oxygen generation and carbon dioxide adsorption module 16 starts to operate when the fresh air inlet 1 is closed, and the third electric closed air valve 17 closes the air passing channel 6 to realize that the air outlet oxygen content of the unit is balanced and fixed in a certain range; when tn is less than tn1 or tn is more than tn2 or a is less than PM2.5 is less than b, the temperature is not in the human body comfort range or the air quality is poor, either condition occurs, the fresh air inlet 1 is opened, the return air inlet 2 is opened, but a certain angle is opened, and the opening angle is determined according to the monitored temperature and the PM2.5 value; when the fresh air inlet 1 is opened, the third electric closed air valve 17 is opened, and the oxygen generation and carbon dioxide adsorption module 16 is closed.
According to a second temperature sensor arranged at the air supply outlet 3, the opening degree of the first electric water valve 10 is automatically adjusted, and the water quantity of the coil pipe of the heating and cooling section is controlled; and automatically adjusting the opening degree of the second electric water valve 11 according to a water temperature sensor arranged at a user side, and controlling the water quantity of the heat exchanger coil. Through the water loop, the air outlet temperature of the fresh air unit and the water temperature of the indoor radiation system are fixed in a certain range.
Each household is separately provided with a five-balance fresh air conditioning unit, and a centralized energy source station provides cold and hot water energy for each five-balance fresh air conditioning unit. The five-balance fresh air conditioning unit is connected to an indoor radiation coil system through a water distributor and a water collector to supply cold and heat for radiation of each room; the radiation system of each room is not limited to floor radiation, but may be ceiling radiation or wall radiation.
The system runs the control logic:
(1) indoor constant temperature control
The indoor temperature sensor monitors the air temperature, when the indoor temperature is higher than or lower than a set value, the water flow of the water distributor and collector is automatically adjusted, the heat exchanger automatically increases or decreases the water flow at the cold and heat source side according to the cold and heat requirements at the user side, and when the water flow of the cold and heat source host reaches the maximum or minimum value and still cannot meet the indoor temperature requirements, the water outlet temperature of the cold and heat source host is automatically decreased or increased until the indoor temperature requirements are met.
(2) Indoor humidity control
The indoor humidity sensor monitors the indoor air humidity, and when the indoor humidity is lower than a set value in winter, the fresh air conditioning unit automatically adjusts the humidification quantity of the humidification section of the unit. When the indoor humidity is higher than a set value in summer, the fresh air conditioning unit automatically adjusts the opening of the electric water valve 1, increases the water flow entering the cooling coil section, increases the fresh air dehumidification capacity, and when the electric water valve 1 is completely opened and the fresh air dehumidification capacity still cannot meet the indoor humidity requirement, the cold and heat source unit is linked, the water outlet temperature of the cold and heat source host is automatically reduced until the fresh air dehumidification requirement is met.
(3) Indoor constant oxygen control
When a fresh air inlet of the fresh air conditioning unit is in an open state, monitoring indoor air quality by an indoor carbon dioxide sensor, and if the concentration of carbon dioxide is higher than a set value, increasing the opening of the fresh air inlet of the fresh air conditioning unit, increasing the fresh air quantity sent into the room and ensuring the indoor oxygen content requirement;
when the fresh air inlet is closed and the return air inlet is opened due to the bad outdoor air or the existence of viruses due to epidemic situations and the like, the indoor carbon dioxide sensor monitors the indoor air quality, and if the concentration of carbon dioxide is higher than a set value, the functions of the oxygen generation and carbon dioxide adsorption module are enhanced, the indoor oxygen content is increased, and the carbon dioxide content is reduced.
(4) Indoor balance cleaning control
The indoor air quality sensor monitors indoor air quality such as PM2.5, the high efficiency filter pressure difference sensor monitors pressure difference before and after air enters and exits the filter, and is provided with a reminder, when the concentration of PM2.5 is higher than a set value or the pressure difference value of the filter is higher than the set value, the reminder notifies that the high efficiency filter is replaced, and the indoor air quality requirement is ensured.
Claims (4)
1. The utility model provides a semi-centralized five weighing apparatus indoor environmental control system which characterized in that: the system comprises a centralized energy station (19) and a plurality of household five-balance fresh air conditioning units, wherein the centralized energy station (19) provides cold and hot water energy for each household five-balance fresh air conditioning unit through pipelines;
the household five-balance fresh air conditioning unit comprises a box-type shell, the box-type shell is divided into an upper air loop and a lower water loop, the air loop comprises a fresh air inlet (1), a return air inlet (2), an air supply outlet (3), a filtering section, a fan section, a heating and cooling section, a humidifying section, an oxygen generation and carbon dioxide adsorption module (16), a first electric air inlet (4), a second electric air inlet (5) and an air passing channel (6), the water loop comprises a water separator (7), a water collector (8), a heat exchanger (9), a first water pipeline, a second water pipeline, a first electric water valve (10) and a second electric water valve (11), the first electric water valve (10) is arranged on the first water pipeline, the second electric water valve (11), the water separator (7), the water collector (8) and the heat exchanger (9) are arranged on the second water pipeline, the first water pipeline and the second water pipeline are connected in parallel and then connected with the same energy supply water channel of the centralized energy station (19);
the first water pipeline of the water loop is used for providing cold and hot water for the heating and cooling section and the humidifying section, and the second water pipeline is used for connecting a radiation coil system in a room, so that radiation cooling and heating of each room in the room are realized; the inner wall of the box-type shell is provided with sound-absorbing cotton; the household five-balance fresh air conditioning unit can provide constant-temperature, constant-humidity, constant-oxygen, constant-cleanness and constant-static fresh air for each household;
the fresh air inlet (1) is used for outdoor air inlet, the return air inlet (2) is used for indoor air inlet, the fresh air inlet (1) is provided with a first electric closed air valve, the return air inlet (2) is provided with a second electric closed air valve for opening and closing, the oxygen generation and carbon dioxide adsorption module (16) and the air passing channel (6) are arranged side by side along the air path, and the air passing channel (6) is provided with a third electric closed air valve (17) for opening and closing; the fresh air inlet (1) is also provided with a first temperature sensor and an air quality sensor, the first electric air inlet (4) and the second electric air inlet (5) can be switched on and off in a route manner, when the first electric air inlet (4) is switched on, the air path does not pass through the heating and cooling section and the humidifying section, and when the second electric air inlet (5) is switched on, the air path passes through the heating and cooling section and the humidifying section; the first electric closed air valve and the second electric closed air valve select three kinds of switching of independently opening the fresh air inlet (1) and independently opening the return air inlet (2) or simultaneously opening the fresh air inlet (1) and the return air inlet (2) according to the first temperature sensor and the air quality sensor; the first electric closed air valve and the third electric closed air valve are controlled in a linkage mode by the oxygen generation and carbon dioxide adsorption module (16), when the fresh air port (1) is opened, the third electric closed air valve (17) is opened, the oxygen generation and carbon dioxide adsorption module (16) is closed, and when the fresh air port (1) is closed, the third electric closed air valve (17) is closed, and the oxygen generation and carbon dioxide adsorption module (16) is opened;
the air supply outlet (3) is provided with a second temperature sensor, the opening degree of the first electric water valve (10) can be adjusted according to the temperature of the air supply outlet (3) to provide cold and hot energy for the heating and cooling section of the upper air loop, the opening degree of the second electric water valve (11) can be adjusted according to the water temperature of a user side, and the radiation system of each room adopts floor radiation, ceiling radiation or wall radiation;
the filter section comprises a primary filter section (12), a middle filter section (13) and a high-efficiency filter section (14), the primary filter section (12) is arranged at the fresh air port (1), a middle partition plate (15) is arranged in the box-type shell to divide the upper part into a left row and a right row, a first electric air port (4) and a second electric air port (5) are arranged at the middle lower part of the middle partition plate (15) at an upper-lower interval, the fan section is positioned at the left side of the first electric air port (4), and the humidifying section and the heating and cooling section are arranged side by side at the left side and the right side of the middle partition plate (15) and are positioned between the first electric air port (4) and the second electric air port (5); high-efficient filter segment (14), well effect filter segment (13) set up side by side about median septum (15), and are higher than first electronic wind gap (4), system oxygen and carbon dioxide adsorption module (16), cross wind passageway (6) around set up side by side directly over high-efficient filter segment (14).
2. The semi-centralized penta-scale indoor environmental control system of claim 1, wherein: fresh air inlet (1) sets up the lateral wall at box casing, and air supply outlet (3), return air inlet (2) are controlled the interval and are set up the roof at box casing, and fresh air inlet (1) is close to return air inlet (2) and sets up.
3. The semi-centralized penta-scale indoor environmental control system of claim 1, wherein: the mounting base of the box-type machine shell is mounted by adopting a damping sound-insulating pad.
4. The semi-centralized penta-scale indoor environmental control system of claim 1, wherein: the fan section is a fan with a particle damping shock absorber (18).
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| CN202110147025.4A CN112747390B (en) | 2021-02-03 | 2021-02-03 | Semi-centralized five-scale indoor environment control system and control method |
| CN202210516630.9A CN114877423A (en) | 2021-02-03 | 2021-02-03 | Five-scale indoor environment control method for centralized energy supply |
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| CN116657966B (en) * | 2023-06-19 | 2024-01-12 | 广州澳企实验室技术股份有限公司 | High-precision constant temperature and humidity microelectronic hundred-grade clean laboratory |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845343A1 (en) * | 1998-10-02 | 2000-04-13 | Schako Metallwarenfabrik | System for ventilation, heating and / or cooling at least one room |
| CN103900181A (en) * | 2013-11-29 | 2014-07-02 | 李世镜 | Household type new air machine set |
| CN106678992A (en) * | 2017-03-08 | 2017-05-17 | 孙金鹏 | Intelligent fresh and return air volume adjusting type air purifier |
| CN107143945A (en) * | 2017-05-15 | 2017-09-08 | 东南大学 | A kind of joint control temperature and CO2The new blower fan of multiple duct constant humidity and its method of work |
| CN207350582U (en) * | 2017-05-03 | 2018-05-11 | 西安中亚科技发展有限公司 | A kind of oxygenation decarburization type center fresh-air handling unit |
| CN109253516A (en) * | 2018-11-07 | 2019-01-22 | 重庆海润节能技术股份有限公司 | Three weighing apparatus air-conditioner sets and system |
| KR101959671B1 (en) * | 2018-05-14 | 2019-07-02 | 박종찬 | Combined Type Fan Coil Unit with energy recovery ventilation and Air purifier |
| CN209246295U (en) * | 2018-11-07 | 2019-08-13 | 重庆海润节能技术股份有限公司 | Three weighing apparatus air-conditioner sets and system |
| CN110608495A (en) * | 2019-11-06 | 2019-12-24 | 江苏科技大学 | Multi-adjustment-mode integrated air conditioning system and working method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000059748A1 (en) * | 1999-04-02 | 2000-10-12 | Bosch Automotive Systems Corporation | Safety device for vehicle air conditioning system |
| JP5048454B2 (en) * | 2007-10-30 | 2012-10-17 | 日本バイリーン株式会社 | Adsorption / desorption element, carbon dioxide concentration adjusting device using the same, carbon dioxide concentration adjusting system, and carbon dioxide concentration adjusting method. |
| CN203837205U (en) * | 2014-05-19 | 2014-09-17 | 中广核工程有限公司 | Air handling unit of nuclear power plant |
| CN205372865U (en) * | 2016-01-07 | 2016-07-06 | 重庆海润节能技术股份有限公司 | Wet weighing apparatus oxygen air conditioning system of weighing apparatus temperature weighing apparatus |
| CN106678991B (en) * | 2017-03-07 | 2022-05-10 | 重庆大学 | Fresh air handling unit regulation and control system suitable for radiation air conditioner and control method thereof |
| CN208170569U (en) * | 2017-12-08 | 2018-11-30 | 新动力(北京)建筑科技有限公司 | A kind of half centralized independent temperature-humidity control system |
| CN111425952A (en) * | 2020-05-19 | 2020-07-17 | 南京五恒建筑技术有限公司 | High-comfort low-energy-consumption five-constant home environment system |
-
2021
- 2021-02-03 CN CN202210516630.9A patent/CN114877423A/en active Pending
- 2021-02-03 CN CN202110147025.4A patent/CN112747390B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845343A1 (en) * | 1998-10-02 | 2000-04-13 | Schako Metallwarenfabrik | System for ventilation, heating and / or cooling at least one room |
| CN103900181A (en) * | 2013-11-29 | 2014-07-02 | 李世镜 | Household type new air machine set |
| CN106678992A (en) * | 2017-03-08 | 2017-05-17 | 孙金鹏 | Intelligent fresh and return air volume adjusting type air purifier |
| CN207350582U (en) * | 2017-05-03 | 2018-05-11 | 西安中亚科技发展有限公司 | A kind of oxygenation decarburization type center fresh-air handling unit |
| CN107143945A (en) * | 2017-05-15 | 2017-09-08 | 东南大学 | A kind of joint control temperature and CO2The new blower fan of multiple duct constant humidity and its method of work |
| KR101959671B1 (en) * | 2018-05-14 | 2019-07-02 | 박종찬 | Combined Type Fan Coil Unit with energy recovery ventilation and Air purifier |
| CN109253516A (en) * | 2018-11-07 | 2019-01-22 | 重庆海润节能技术股份有限公司 | Three weighing apparatus air-conditioner sets and system |
| CN209246295U (en) * | 2018-11-07 | 2019-08-13 | 重庆海润节能技术股份有限公司 | Three weighing apparatus air-conditioner sets and system |
| CN110608495A (en) * | 2019-11-06 | 2019-12-24 | 江苏科技大学 | Multi-adjustment-mode integrated air conditioning system and working method thereof |
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| CN114877423A (en) | 2022-08-09 |
| CN112747390A (en) | 2021-05-04 |
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