CN108413585A - Underground building energy-saving optimization control system and method - Google Patents
Underground building energy-saving optimization control system and method Download PDFInfo
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- CN108413585A CN108413585A CN201810070209.3A CN201810070209A CN108413585A CN 108413585 A CN108413585 A CN 108413585A CN 201810070209 A CN201810070209 A CN 201810070209A CN 108413585 A CN108413585 A CN 108413585A
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- 238000000034 method Methods 0.000 title abstract description 11
- 238000005457 optimization Methods 0.000 title abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004378 air conditioning Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000005265 energy consumption Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an energy-saving optimization control system and method for underground buildings, wherein the power consumption of equipment of an air inlet and exhaust fan room ventilation system and air conditioning systems of various areas in the building engineering is counted to provide data decision support for energy-saving operation control; according to CO of each area in the building engineering2The concentration value automatically adjusts the air inlet machine frequency of the ventilation system of the air inlet and outlet machine room, so that the building engineering is enabledCO in air of each region2The content reaches the set standard; according to the air quality standard in the building engineering, according to the external natural air temperature and humidity, the corresponding fresh air regulating valve, the primary return air regulating valve and the cold water regulating valve in the air conditioning system of each area in the building engineering are adjusted in a linkage manner in an energy-saving operation optimal mode during normal maintenance, so that the temperature and humidity reach the specified standard and the energy-saving effect is achieved.
Description
Technical field
The present invention relates to computer realm and building field more particularly to a kind of hypogee optimal control for energy saving systems
And method.
Background technology
Energy saving to refer to reinforcement can manage, and use is technically feasible, and reasonable in economy and environment and society can be born
Measure, reduce from production of energy to the loss and waste in consumption links, it is more efficient, utilize the energy reasonablely.Its
In, technically feasible refers to that may be implemented in prior art basis；Reasonable in economy seeks to put into production there are one suitable
Go out ratio；Environment can receive to refer to the energy saving pollution that also reduce to environment, and index wants meet the requirement of environmental protection；Society can connect
Referred to not influencing normally production and improvement of living standard；Effectively seek to reduce the loss and waste of the energy.
Invention content
It is an object of the invention to provide a kind of methods of architectural engineering energy saving optimizing.The present invention combines knowing for multiple ambits
Know precipitation accumulation, with the practical architectural engineering of higher mathematics models coupling in the experience of energy-saving field, is assisted using international standard OPC
The smart machines such as all water being linked into system inside take over architectural engineering, electricity, warm are discussed, by analyzing in real time and historical statistics
Method and strategy, intelligence computation go out the control strategy of current energy consumption saving and carry out the automatic of architectural engineering field device parameters
Change control manipulation, achievees the purpose that monolithic architecture engineering optimization Energy Saving Control.
A kind of hypogee optimal control for energy saving system, it is characterised in that have with lower module：
Energy consumption statistic module：To the equipment electricity into the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
It can consume and be counted, the power consumption counted provides data decision support for saving-energy operation control；
Air quantity self-adjustment module：Based on the statistical data of energy consumption statistic module, according to each area in architectural engineering
The CO in domain2Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes each region air in architectural engineering
Middle CO2Content reaches established standards；
Humiture self-adjustment module：Based on the statistical data of energy consumption statistic module, and with empty in architectural engineering
Gas quality standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding is adjusted
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area are saved in architectural engineering, is made
Humiture reaches required standard and reaches energy-efficient effect.
The specific regulating step of air quantity self-adjustment module is as follows：
Step 1：Into air draft computer room air inlet fan FREQUENCY CONTROL within the scope of 18Hz-32Hz, in the range according to CO2It is dense
Degree adjusts wind turbine frequency, takes CO2The maximum value of concentration determines fresh air volume；
Step 2：Work as CO2Concentration maxima>Frequency is then turned up in 1000ppm, increases fresh air volume, until concentration<
1000ppm；
Step 3：Work as CO2Within the scope of 500ppm-900ppm, the frequency of air inlet fan remains unchanged concentration maxima；
Step 4：Work as CO2Concentration is very low<500ppm then closes air inlet fan.
The specific regulating step of humiture self-adjustment module is as follows：
Step 1：Measure aerial temperature and humidity value by being installed on the Temperature Humidity Sensor before fresh air pretreatment, every for 24 hours into
Row record, air conditioner fresh air pretreatment determine control model according to aerial temperature and humidity, start cooling water pump and compressor；
Step 2：The aerial temperature and humidity value of measurement is substituted into corresponding higher mathematics formula calculate in air containing wet
Measure d (g/kg.It is dry) and enthalpy h (kJ/kg.It is dry)；
Step 3：When condition meets d≤10.0g/kg.It is dryOperating mode when, open air conditioner fresh air regulating valve, close return air tune
Valve is saved, cold water regulating valve is closed；
Step 4：When condition meets d>10g/kg.It is dry, when the operating mode of h≤74kJ/kg, air conditioner fresh air regulating valve is closed, is opened
Return air regulating valve is opened, cold water regulating valve is opened；
Step 5：When condition meets h>When the operating mode of 74kJ/kg, air conditioner fresh air regulating valve is opened, closes return air regulating valve,
Open cold water regulating valve.
A kind of hypogee optimal control for energy saving systems approach, it is characterised in that carry out according to the following steps：
Step 1, energy consumption statistic：To being set into the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
Standby power consumption takes statistics, and data decision support is provided for saving-energy operation control；
Step 2, air quantity automatic adjustment：Based on the statistical data of energy consumption statistic, according to each region in architectural engineering
CO2Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes in architectural engineering in the air of each region
CO2Content reaches established standards；
Step 3, humiture automatic adjustment：Based on the statistical data of energy consumption statistic, and with air in architectural engineering
Quality standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding is adjusted
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area in architectural engineering, make temperature
Humidity reaches required standard and reaches energy-efficient effect.
It is as follows that the air quantity automatically adjusts specific regulating step：
Step 1：Into air draft computer room air inlet fan FREQUENCY CONTROL within the scope of 18Hz-32Hz, in the range according to CO2It is dense
Degree adjusts wind turbine frequency, takes CO2The maximum value of concentration determines fresh air volume；
Step 2：Work as CO2Concentration maxima>Frequency is then turned up in 1000ppm, increases fresh air volume, until concentration<
1000ppm；
Step 3：Work as CO2Within the scope of 500ppm-900ppm, the frequency of air inlet fan remains unchanged concentration maxima；
Step 4：Work as CO2Concentration is very low<500ppm then closes air inlet fan.
It is as follows that humiture automatically adjusts specific regulating step：
Step 1：Measure aerial temperature and humidity value by being installed on the Temperature Humidity Sensor before fresh air pretreatment, every for 24 hours into
Row record, air conditioner fresh air pretreatment determine control model according to aerial temperature and humidity, start cooling water pump and compressor；
Step 2：The aerial temperature and humidity value of measurement is substituted into corresponding higher mathematics formula calculate in air containing wet
Measure d (g/kg.It is dry) and enthalpy h (kJ/kg.It is dry)；
Step 3：When condition meets d≤10.0g/kg.It is dryOperating mode when, open air conditioner fresh air regulating valve, close return air tune
Valve is saved, cold water regulating valve is closed；
Step 4：When condition meets d>10g/kg.It is dry, when the operating mode of h≤74kJ/kg, air conditioner fresh air regulating valve is closed, is opened
Return air regulating valve is opened, cold water regulating valve is opened；
Step 5：When condition meets h>When the operating mode of 74kJ/kg, air conditioner fresh air regulating valve is opened, closes return air regulating valve,
Open cold water regulating valve.
Water capacity refer in humid air with a kg dry air simultaneously and the quality (gram) of vapor deposited, commonly use d and carry out table
Show, unit：G/kg dry air.Water capacity d is almost directly proportional with steam partial pressure Ps, and is inversely proportional with air gross pressure P.
Wherein：P indicates that air pressure (Pa), Ps indicate steam partial pressure (Pa), and d, which is definitely reflected, contains steam vapour amount in air
Number.Due to a certain area, atmospheric pressure is substantially definite value.So air humidity content only has with steam partial pressure Ps
It closes.
Enthalpy is the important state parameter that material system energy is characterized in thermodynamics, and conventional sign H is indicated.Air
In enthalpy refer to the total amount of heat contained in air, usually on the basis of the unit mass of dry air, referred to as specific enthalpy.It is simple in engineering
Referred to as enthalpy, refer to a kg dry air enthalpy and vapor corresponding with it enthalpy summation.In engineering, we can root
According to the variation of the air of certain mass specific enthalpy in processing procedure, to judge that air obtains heat or loses heat.It is empty
The specific enthalpy of gas, which increases, to be indicated to obtain heat in air；The specific enthalpy of air, which reduces, to be indicated to lose heat in air.
The present invention combines the knowledge precipitation accumulation of multiple ambits, with the practical architectural engineering of higher mathematics models coupling
In the experience of energy-saving field, using all water being linked into system inside the architectural engineering of international standard OPC agreement take overs, electricity,
Warm to wait smart machines, by analyzing method and strategy with historical statistics in real time, intelligence computation goes out the control of current energy consumption saving
Strategy and the automatic regulation operation for carrying out architectural engineering field device parameters, reach monolithic architecture engineering optimization Energy Saving Control
Purpose.
Description of the drawings
Fig. 1 is the structural schematic block diagram of the present invention
Specific implementation mode
With reference to the accompanying drawings and examples the present invention is made further to explain.Attached drawing is used for providing to the further of the present invention
Understand, and a part for constitution instruction, for explaining the present invention together with the embodiment of invention, does not constitute to invention
Limitation.
As shown in Figure 1, a kind of hypogee optimal control for energy saving system, it is characterised in that have with lower module：
Energy consumption statistic module：To the equipment electricity into the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
It can consume and be counted, the power consumption counted provides data decision support for saving-energy operation control；
Air quantity self-adjustment module：Based on the statistical data of energy consumption statistic module, according to each area in architectural engineering
The CO in domain2Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes each region air in architectural engineering
Middle CO2Content reaches established standards；
Humiture self-adjustment module：Based on the statistical data of energy consumption statistic module, and with empty in architectural engineering
Gas quality standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding is adjusted
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area are saved in architectural engineering, is made
Humiture reaches required standard and reaches energy-efficient effect.
A kind of hypogee optimal control for energy saving systems approach, it is characterised in that carry out according to the following steps：
Step 1, energy consumption statistic：To being set into the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
Standby power consumption takes statistics, and data decision support is provided for saving-energy operation control；
Step 2, air quantity automatic adjustment：Based on the statistical data of energy consumption statistic, according to each region in architectural engineering
CO2Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes in architectural engineering in the air of each region
CO2Content reaches established standards；
Step 3, humiture automatic adjustment：Based on the statistical data of energy consumption statistic, and with air in architectural engineering
Quality standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding is adjusted
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area in architectural engineering, make temperature
Humidity reaches required standard and reaches energy-efficient effect.
It is as follows that the air quantity automatically adjusts specific regulating step：
Step 1：Into air draft computer room air inlet fan FREQUENCY CONTROL within the scope of 18Hz-32Hz, in the range according to CO2It is dense
Degree adjusts wind turbine frequency, takes CO2The maximum value of concentration determines fresh air volume；
Step 2：Work as CO2Concentration maxima>Frequency is then turned up in 1000ppm, increases fresh air volume, until concentration<
1000ppm；
Step 3：Work as CO2Within the scope of 500ppm-900ppm, the frequency of air inlet fan remains unchanged concentration maxima；
Step 4：Work as CO2Concentration is very low<500ppm then closes air inlet fan.
It is as follows that humiture automatically adjusts specific regulating step：
Step 1：Measure aerial temperature and humidity value by being installed on the Temperature Humidity Sensor before fresh air pretreatment, every for 24 hours into
Row record, air conditioner fresh air pretreatment determine control model according to aerial temperature and humidity, start cooling water pump and compressor；
Step 2：The aerial temperature and humidity value of measurement is substituted into corresponding higher mathematics formula calculate in air containing wet
Measure d (g/kg.It is dry) and enthalpy h (kJ/kg.It is dry)；
Step 3：When condition meets d≤10.0g/kg.It is dryOperating mode when, open air conditioner fresh air regulating valve, close return air tune
Valve is saved, cold water regulating valve is closed；
Step 4：When condition meets d>10g/kg.It is dry, when the operating mode of h≤74kJ/kg, air conditioner fresh air regulating valve is closed, is opened
Return air regulating valve is opened, cold water regulating valve is opened；
Step 5：When condition meets h>When the operating mode of 74kJ/kg, air conditioner fresh air regulating valve is opened, closes return air regulating valve,
Open cold water regulating valve.
Fresh air regulating valve, primary retirn air regulating valve, cold water regulating valve switch conditions are as shown in table 1,
Table 1
Water capacity refer in humid air with a kg dry air simultaneously and the quality (gram) of vapor deposited, commonly use d and carry out table
Show, unit：G/kg dry air.Water capacity d is almost directly proportional with steam partial pressure Ps, and is inversely proportional with air gross pressure P.Its
In：P indicates that air pressure (Pa), Ps indicate that steam partial pressure (Pa), d definitely reflect in air containing the more of steam vapour amount
It is few.Due to a certain area, atmospheric pressure is substantially definite value.So air humidity content is only related with steam partial pressure Ps.
Enthalpy is the important state parameter that material system energy is characterized in thermodynamics, and conventional sign H is indicated.Air
In enthalpy refer to the total amount of heat contained in air, usually on the basis of the unit mass of dry air, referred to as specific enthalpy.It is simple in engineering
Referred to as enthalpy, refer to a kg dry air enthalpy and vapor corresponding with it enthalpy summation.In engineering, we can root
According to the variation of the air of certain mass specific enthalpy in processing procedure, to judge that air obtains heat or loses heat.It is empty
The specific enthalpy of gas, which increases, to be indicated to obtain heat in air；The specific enthalpy of air, which reduces, to be indicated to lose heat in air.
The present invention combines the knowledge precipitation accumulation of multiple ambits, with the practical architectural engineering of higher mathematics models coupling
In the experience of energy-saving field, using all water being linked into system inside the architectural engineering of international standard OPC agreement take overs, electricity,
Warm to wait smart machines, by analyzing method and strategy with historical statistics in real time, intelligence computation goes out the control of current energy consumption saving
Strategy and the automatic regulation operation for carrying out architectural engineering field device parameters, reach monolithic architecture engineering optimization Energy Saving Control
Purpose.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of hypogee optimal control for energy saving system, it is characterised in that have with lower module：
Energy consumption statistic module：To disappearing into the equipment electric energy of the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
Consumption is counted, and the power consumption counted provides data decision support for saving-energy operation control；
Air quantity self-adjustment module：Based on the statistical data of energy consumption statistic module, according to each region in architectural engineering
CO2Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes in architectural engineering CO in the air of each region2
Content reaches established standards；
Humiture self-adjustment module：Based on the statistical data of energy consumption statistic module, and with air matter in architectural engineering
Amount standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding, which is adjusted, builds
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area are built in engineering, is made warm and humid
Degree reaches required standard and reaches energy-efficient effect.
2. a kind of hypogee optimal control for energy saving system according to claim 1, which is characterized in that the air quantity is adjusted automatically
It is as follows to save the specific regulating step of module：
Step 1：Into air draft computer room air inlet fan FREQUENCY CONTROL within the scope of 18Hz-32Hz, in the range according to CO2Concentration tune
Wind turbine frequency is saved, CO is taken2The maximum value of concentration determines fresh air volume；
Step 2：Work as CO2Concentration maxima>Frequency is then turned up in 1000ppm, increases fresh air volume, until concentration<1000ppm；
Step 3：Work as CO2Within the scope of 500ppm-900ppm, the frequency of air inlet fan remains unchanged concentration maxima；
Step 4：Work as CO2Concentration is very low<500ppm then closes air inlet fan.
3. a kind of hypogee optimal control for energy saving system according to claim 1, which is characterized in that the humiture is automatic
The specific regulating step of adjustment module is as follows：
Step 1：Aerial temperature and humidity value is measured by being installed on the Temperature Humidity Sensor before fresh air pretreatment, is remembered every for 24 hours
Record, air conditioner fresh air pretreatment determine control model according to aerial temperature and humidity, start cooling water pump and compressor；
Step 2：The aerial temperature and humidity value of measurement is substituted into corresponding higher mathematics formula to the water capacity d calculated in air
(g/kg.It is dry) and enthalpy h (kJ/kg.It is dry)；
Step 3：When condition meets d≤10.0g/kgIt is dryOperating mode when, open air conditioner fresh air regulating valve, close return air regulating valve,
Close cold water regulating valve；
Step 4：When condition meets d>10g/kgIt is dry, when the operating mode of h≤74kJ/kg, air conditioner fresh air regulating valve is closed, is opened back
Wind regulating valve opens cold water regulating valve；
Step 5：When condition meets h>When the operating mode of 74kJ/kg, air conditioner fresh air regulating valve is opened, closes return air regulating valve, is opened
Cold water regulating valve.
4. a kind of hypogee optimal control for energy saving systems approach, it is characterised in that carry out according to the following steps：
Step 1, energy consumption statistic：To the equipment electricity into the air-conditioning system in each area in air draft computer room ventilating system and architectural engineering
It can consume and take statistics, data decision support is provided for saving-energy operation control；
Step 2, air quantity automatic adjustment：Based on the statistical data of energy consumption statistic, according to the CO of each region in architectural engineering2
Concentration value automatically adjusts the air inlet unit frequency into air draft computer room ventilating system, makes in architectural engineering CO in the air of each region2Contain
Amount reaches established standards；
Step 3, humiture self-adjustment module：Based on the statistical data of energy consumption statistic, and with air in architectural engineering
Quality standard is foundation, and according to external natural air humiture, energy-saving run optimal mode linkage when usually safeguarding is adjusted
Corresponding fresh air regulating valve, primary retirn air regulating valve and cold water regulating valve in the air-conditioning system in each area in architectural engineering, make temperature
Humidity reaches required standard and reaches energy-efficient effect.
5. a kind of hypogee optimal control for energy saving systems approach according to claim 4, which is characterized in that the air quantity is certainly
The dynamic specific regulating step of adjusting is as follows：
Step 1：Into air draft computer room air inlet fan FREQUENCY CONTROL within the scope of 18Hz-32Hz, in the range according to CO2Concentration tune
Wind turbine frequency is saved, CO is taken2The maximum value of concentration determines fresh air volume；
Step 2：Work as CO2Concentration maxima>Frequency is then turned up in 1000ppm, increases fresh air volume, until concentration<1000ppm；
Step 3：Work as CO2Within the scope of 500ppm-900ppm, the frequency of air inlet fan remains unchanged concentration maxima；
Step 4：Work as CO2Concentration is very low<500ppm then closes air inlet fan.
6. a kind of hypogee optimal control for energy saving systems approach according to claim 4, which is characterized in that humiture is automatic
It is as follows to adjust specific regulating step：
Step 1：Aerial temperature and humidity value is measured by being installed on the Temperature Humidity Sensor before fresh air pretreatment, is remembered every for 24 hours
Record, air conditioner fresh air pretreatment determine control model according to aerial temperature and humidity, start cooling water pump and compressor；
Step 2：The aerial temperature and humidity value of measurement is substituted into corresponding higher mathematics formula to the water capacity d calculated in air
(g/kg.It is dry) and enthalpy h (kJ/kg.It is dry)；
Step 3：When condition meets d≤10.0g/kgIt is dryOperating mode when, open air conditioner fresh air regulating valve, close return air regulating valve,
Close cold water regulating valve；
Step 4：When condition meets d>10g/kgIt is dry, when the operating mode of h≤74kJ/kg, air conditioner fresh air regulating valve is closed, is opened back
Wind regulating valve opens cold water regulating valve；
Step 5：When condition meets h>When the operating mode of 74kJ/kg, air conditioner fresh air regulating valve is opened, closes return air regulating valve, is opened
Cold water regulating valve.
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| CN201810070209.3A CN108413585A (en) | 2018-01-24 | 2018-01-24 | Underground building energy-saving optimization control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076334A (en) * | 2019-11-26 | 2020-04-28 | 广东珠江建筑工程设计有限公司 | Basement air detection control system and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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