CN112594813A - Intelligent indoor environment adjusting method - Google Patents
Intelligent indoor environment adjusting method Download PDFInfo
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- CN112594813A CN112594813A CN202011492246.7A CN202011492246A CN112594813A CN 112594813 A CN112594813 A CN 112594813A CN 202011492246 A CN202011492246 A CN 202011492246A CN 112594813 A CN112594813 A CN 112594813A
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
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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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0057—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 using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Signal Processing (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Sustainable Energy (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an intelligent indoor environment adjusting method, which comprises the following steps: acquiring indoor environment information; outdoor air treatment; indoor air replacement; adjusting indoor heating temperature; and (4) adjusting the indoor refrigeration temperature. The intelligent indoor environment adjusting method can effectively improve the indoor environment, provide constant-temperature, constant-humidity and constant-oxygen indoor environment and ensure the human health.
Description
Technical Field
The invention relates to the technical field of indoor temperature control, in particular to an intelligent indoor environment adjusting method.
Background
Research proves that more than 80% of the life of a person spends indoors, and the indoor time of old people and children is more than 90%. The temperature and humidity of the indoor air do not affect the health of human beings.
The temperature is adjusted by an air conditioner in most rooms, and the temperature difference between the upper part and the lower part of the room is large and uncomfortable due to convection type temperature adjustment. Indoor air is improved by adopting windowing ventilation, however, in cities, due to increasingly serious atmospheric pollution, outdoor air quality is likely to be worse, and the health of people cannot be guaranteed.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an intelligent indoor environment adjustment method that can effectively improve indoor environment, provide constant temperature, constant humidity, and constant oxygen indoor environment, and ensure human health.
The invention provides an intelligent indoor environment adjusting method, which comprises the following steps:
acquiring indoor environment information, and acquiring indoor real-time temperature and real-time humidity by an intelligent control center through a temperature and humidity sensor arranged indoors;
the outdoor air is treated, outdoor oxygen-enriched air is extracted, pollutants are filtered by a double-filtering device, the temperature of the oxygen-enriched air is adjusted by a temperature control module to be lower than the real-time temperature, and then the humidity of the oxygen-enriched air is adjusted by a humidity control module to enable the ventilated indoor air to be in a preset humidity range;
indoor air replacement, namely feeding the treated oxygen-enriched air into a room at a first speed through an air supply outlet arranged in the room, and discharging indoor raw air through an air exhaust outlet arranged in the room to ensure that the room is always in an oxygen-enriched environment;
adjusting the indoor heating temperature, wherein when the real-time temperature is lower than the lowest value of a preset temperature range, geothermal energy is collected through a ground source heat pump, the geothermal energy is transferred to an indoor capillary network air conditioning system through a heat exchanger through heat exchange, and the capillary network air conditioning system adjusts the indoor temperature through heat radiation until the real-time temperature is within the preset temperature range;
and adjusting the indoor refrigeration temperature, wherein when the real-time temperature is higher than the highest value of a preset temperature range, a refrigerant is compressed by a compressor, the heat of circulating water of an indoor capillary network air conditioning system is taken away by the refrigerant through a heat exchanger, and the indoor temperature of the capillary network air conditioning system is adjusted through cold radiation until the real-time temperature is within the preset temperature range.
Preferably, the intelligent indoor environment adjusting method further comprises anti-condensation adjustment, when the indoor refrigeration temperature is adjusted, temperature and humidity sensors are arranged at multiple indoor points to acquire indoor environment data, the measured data of the multiple points are calculated, the highest dew point temperature is selected as an anti-condensation control parameter, the water supply temperature of the capillary network air conditioning system is controlled to be higher than the dew point temperature, and the flow of circulating water in the capillary network air conditioning system is increased.
Preferably, the air supply opening is provided on a floor in a room, and the air exhaust opening is provided at an upper portion in the room.
Preferably, the preset humidity range is 30-60%, and the preset temperature range is 20-26 ℃.
Preferably, the oxygen-enriched air in the outdoor air treatment step is adjusted to be lower than the real-time temperature by 0.2-1 ℃.
Preferably, the first speed is 160-240m3/h。
Compared with the prior art, the invention has the beneficial effects that:
(1) the intelligent indoor environment adjusting method has the advantages that geothermal energy is collected through the ground source heat pump, the heat source is stable, more than 30% of energy consumption can be saved compared with the traditional air conditioner, the service life is long, no pollution is caused, the geothermal energy belongs to renewable resources, and the sustainable development trend of energy sources is met;
(2) the intelligent indoor environment adjusting method of the invention radiates geothermal energy into the room through the capillary network air conditioning system to adjust the indoor temperature. Constant temperature, adjustable humidity, no wind sense and no noise in the room. The device can be installed on the ground, the wall surface or the ceiling, is flexible to install, saves space, and is long in service life, simple to maintain and basically free of maintenance.
(3) The intelligent indoor environment adjusting method provided by the invention is used for replacing indoor air. Before replacement, air is filtered, and pollutants such as PM2.5 in the air can be efficiently filtered. The air is also subjected to temperature treatment, so that the temperature of the air is lower than the indoor temperature, and the air is sent into the room at low speed without wind sensation and noise. The high-temperature air in the room can be slowly exhausted from the air outlet at the upper part by feeding from the ground, and the air in the room is changed into fresh air. And the air is dehumidified, so that the indoor humidity is appropriate, a high-quality indoor environment is provided for people, and the personal health of people is guaranteed.
(4) The intelligent indoor environment adjusting method provided by the invention can be used for adjusting and controlling the water supply temperature of the capillary network in a linkage manner according to the actually measured dew point temperature, and correspondingly increasing the circulating water flow, so that the indoor condensation is avoided, and the refrigeration output as large as possible can be provided.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a flow chart of an intelligent indoor environment adjusting method.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, an embodiment of the present invention provides an intelligent indoor environment adjusting method, including the following steps:
acquiring indoor environment information, and acquiring indoor real-time temperature and real-time humidity by an intelligent control center through a temperature and humidity sensor arranged indoors;
the outdoor air is treated, outdoor oxygen-enriched air is extracted, pollutants are filtered by a double-filtering device, the temperature of the oxygen-enriched air is adjusted by a temperature control module to be lower than the real-time temperature, and then the humidity of the oxygen-enriched air is adjusted by a humidity control module to enable the ventilated indoor air to be in a preset humidity range;
indoor air replacement, namely feeding the treated oxygen-enriched air into a room at a first speed through an air supply outlet arranged in the room, and discharging the original air in the room through an air exhaust outlet arranged in the room to ensure that the room is always in an oxygen-enriched environment;
adjusting the indoor heating temperature, wherein when the real-time temperature is lower than the lowest value of a preset temperature range, geothermal energy is collected through a ground source heat pump, the geothermal energy is transferred to an indoor capillary network air conditioning system through a heat exchanger through heat exchange, and the capillary network air conditioning system adjusts the indoor temperature through heat radiation until the real-time temperature is within the preset temperature range;
and adjusting the indoor refrigeration temperature, wherein when the real-time temperature is higher than the highest value of the preset temperature range, the refrigerant is compressed by the compressor, the heat of circulating water of the indoor capillary network air conditioning system is taken away by the refrigerant through the heat exchanger, and the indoor temperature is adjusted by the capillary network air conditioning system through cold radiation until the real-time temperature is within the preset temperature range.
In this embodiment, the intelligent control center acquires the indoor environment information in real time, so as to coordinate each step of the indoor environment adjustment. The fresh air conditioning system is used for extracting outdoor oxygen-enriched air, and pollutants such as PM2.5 in the air can be filtered through the double-filtering device, so that the aim of purifying the air is fulfilled; the temperature of the purified air is adjusted to reduce the temperature difference with the indoor air; finally, the humidity is adjusted to ensure that the indoor air achieves proper humidity after being replaced. Providing people with high-quality indoor air quality.
The double-filtering device is formed by matching a layer of activated carbon filter screen with a layer of ceramic filter screen, and can effectively filter more than 99% of pollutants in the air.
The temperature control module consists of a proportional-integral temperature controller, a temperature sensor arranged in the air supply pipe and an electric regulating valve. The controller is used for transmitting the air supply temperature detected by the temperature sensor arranged in the air supply duct to the temperature controller to be compared with the temperature set by the controller, and the temperature controller gives a signal of opening/closing a valve to the electric regulating valve according to the PI operation result, so that the air supply temperature is kept in a required range. The temperature of the air supply is kept constant in the whole control time. Because the requirements for indoor in winter and summer are different, the air supply temperature in winter and summer should have different requirements. When the air supply temperature is controlled, the water quantity of the cold coil is generally controlled in summer, and the water quantity of the hot coil or the steam flow of the steam coil is controlled in winter.
Indoor temperature regulation is realized by matching a ground source heat pump with a capillary network air conditioning system, and the ground source heat pump is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy and the like) from a land shallow layer energy source. Usually, the ground source heat pump consumes 1kwh of energy, and can obtain heat or cold more than 4 kwh. Compared with the traditional air conditioner, the energy consumption can be saved by more than 30%, the service life is long, no pollution is caused, the geothermal energy belongs to renewable resources, and the trend of sustainable development of energy sources is met.
In a refrigeration state, a compressor in the ground source heat pump unit applies work to the refrigerant, so that the refrigerant is subjected to vapor-liquid conversion circulation. The indoor air is cooled by radiation through cold exchange between the refrigerant and the capillary network air conditioning system. While the refrigerant circulates, the heat absorbed by the capillary network air conditioning system is transferred into underground water or soil through the outdoor geothermal energy heat exchange system.
In the heating state, a compressor in the ground source heat pump unit applies work to the refrigerant, and the flowing direction of the refrigerant is reversed through a valve. The outdoor geothermal energy heat exchange system absorbs heat in underground water or soil, and the heat is exchanged to the capillary network air conditioning system through the heat exchanger to carry out radiation heating on indoor air.
In a preferred embodiment, the intelligent indoor environment adjusting method further comprises anti-condensation adjustment, when the indoor refrigeration temperature is adjusted, temperature and humidity sensors are arranged at multiple points in the room to obtain indoor environment data, the measured data of the multiple points are calculated, the highest dew point temperature is selected as an anti-condensation control parameter, the water supply temperature of the capillary network air conditioning system is controlled to be higher than the dew point temperature, and the flow of circulating water in the capillary network air conditioning system is increased.
In this embodiment, multiple temperature and humidity sensors are flexibly arranged indoors, especially in water supply pipes of capillary networks, indoor doors and windows, and the like. And after the actual measurement data of multiple points are calculated, the highest dew point temperature is selected as an anti-condensation control parameter, so that no blind area of anti-condensation control is ensured.
When the indoor refrigeration is adjusted, the intelligent control center adjusts and controls the water supply temperature of the capillary network in a linkage manner according to the actually measured dew point temperature, and the circulating water flow is correspondingly increased, so that the indoor condensation is not caused, and the refrigeration output as large as possible can be provided.
In a preferred embodiment, the supply air outlet is provided on a floor in the room, and the exhaust air outlet is provided at an upper portion in the room. The treated fresh air is fed from the ground, the air with slightly low temperature can slowly discharge the old air in the room from the air outlet at the upper part, the air in the room is completely changed into the fresh air, and the indoor air replacement efficiency is high.
In a preferred embodiment, the predetermined humidity range is 30-60% and the predetermined temperature range is 20-26 ℃. So that the indoor is comfortable and warm as spring in four seasons.
In a preferred embodiment, the oxygen-enriched air in the outdoor air treatment step is adjusted to be lower than the real-time temperature by 0.2-1 ℃ after temperature adjustment, so that indoor air with relatively high temperature can be discharged from the upper part, the indoor temperature cannot be obviously influenced in the air exchange process, and the air exchange process is completed unconsciously.
In a preferred embodiment, the first rate is 160-240m3And/h, the low-speed ventilation rate ensures no wind feeling of indoor ventilation, and ensures the comfort level of indoor environment.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. An intelligent indoor environment adjusting method is characterized by comprising the following steps:
acquiring indoor environment information, and acquiring indoor real-time temperature and real-time humidity by an intelligent control center through a temperature and humidity sensor arranged indoors;
the outdoor air is treated, outdoor oxygen-enriched air is extracted, pollutants are filtered by a double-filtering device, the temperature of the oxygen-enriched air is adjusted by a temperature control module to be lower than the real-time temperature, and then the humidity of the oxygen-enriched air is adjusted by a humidity control module to enable the ventilated indoor air to be in a preset humidity range;
indoor air replacement, namely feeding the treated oxygen-enriched air into a room at a first speed through an air supply outlet arranged in the room, and discharging indoor raw air through an air exhaust outlet arranged in the room to ensure that the room is always in an oxygen-enriched environment;
adjusting the indoor heating temperature, wherein when the real-time temperature is lower than the lowest value of a preset temperature range, geothermal energy is collected through a ground source heat pump, the geothermal energy is transferred to an indoor capillary network air conditioning system through a heat exchanger through heat exchange, and the capillary network air conditioning system adjusts the indoor temperature through heat radiation until the real-time temperature is within the preset temperature range;
and adjusting the indoor refrigeration temperature, wherein when the real-time temperature is higher than the highest value of a preset temperature range, a refrigerant is compressed by a compressor, the heat of circulating water of an indoor capillary network air conditioning system is taken away by the refrigerant through a heat exchanger, and the indoor temperature of the capillary network air conditioning system is adjusted through cold radiation until the real-time temperature is within the preset temperature range.
2. The intelligent indoor environment adjusting method according to claim 1, further comprising anti-condensation adjustment, wherein during indoor refrigeration temperature adjustment, temperature and humidity sensors are arranged at multiple indoor points to obtain indoor environment data, the measured data of the multiple points are calculated, the highest dew point temperature is selected as an anti-condensation control parameter, the water supply temperature of the capillary network air conditioning system is controlled to be higher than the dew point temperature, and the flow of circulating water in the capillary network air conditioning system is increased.
3. The intelligent indoor environment adjusting method according to claim 2, wherein the supply port is provided on a floor of the room, and the exhaust port is provided at an upper portion of the room.
4. The intelligent indoor environment adjustment method according to claim 3, wherein the preset humidity range is 30-60%, and the preset temperature range is 20-26 ℃.
5. The intelligent indoor environment adjustment method according to claim 4, wherein the oxygen-enriched air in the outdoor air treatment step is temperature-adjusted to be 0.2-1 ℃ lower than the real-time temperature.
6. The intelligent indoor environment adjusting method as claimed in claim 5, wherein the first rate is 160-240m3/h。
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| CN111964131A (en) * | 2020-07-23 | 2020-11-20 | 和湜(上海)建筑科技有限公司 | Novel intelligent control method for floor heating and top thermal radiation |
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| CN103134124A (en) * | 2011-11-24 | 2013-06-05 | 王春刚 | Ground source heat pump system and control method thereof |
| CN104197417A (en) * | 2014-09-05 | 2014-12-10 | 上海朗思人居建筑科技服务有限公司 | Household type science and technology system and control method thereof |
| CN104990225A (en) * | 2015-07-20 | 2015-10-21 | 上海意利法暖通科技有限公司 | Capillary tube system controller |
| KR101707822B1 (en) * | 2016-08-10 | 2017-02-17 | 주식회사 탑솔 | Thermal compensation control system of seasonal balance for geothermal energy by using air thermal heat pump on the normal system |
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| CN109764486A (en) * | 2018-12-25 | 2019-05-17 | 陕西理工大学 | A kind of instant thermometric of multiple spot and method for regulating temperature and its system |
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