CN106152401A - Air-cooled heat pump under cooling condition works in coordination with converting operation method - Google Patents

Air-cooled heat pump under cooling condition works in coordination with converting operation method Download PDF

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Publication number
CN106152401A
CN106152401A CN201610516958.5A CN201610516958A CN106152401A CN 106152401 A CN106152401 A CN 106152401A CN 201610516958 A CN201610516958 A CN 201610516958A CN 106152401 A CN106152401 A CN 106152401A
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China
Prior art keywords
air
cooling
heat pump
cooled heat
building
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Application number
CN201610516958.5A
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Chinese (zh)
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CN106152401B (en
Inventor
蒋小强
田雪丽
戴贵龙
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Fujian University of Technology
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Fujian University of Technology
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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
    • F24F11/62—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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F24F2110/12—Temperature of the outside air
    • 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]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Abstract

The invention discloses the air-cooled heat pump under a kind of cooling condition and work in coordination with converting operation method, for the air-cooled heat pump that building is conventional, refrigeration compressor, cooling blower and air-cooler are worked in coordination with variable frequency adjustment, excursion according to location air themperature and the cold feature of building, analyze the Changing Pattern of refrigeration duty；Then according to the excursion of air themperature, refrigeration duty, cold blast rate and cooling air quantity, design orthogonal test, set up energy consumption data model according to result of the test；Obtain making cooling air quantity and the computing formula of cold blast rate that air-cooled heat pump energy consumption is minimum；Refrigeration duty according to a certain moment and air themperature, substitute into computing formula, i.e. can obtain optimal cooling air quantity value and the cold wind value inscribed time this, thus be adjusted equipment running frequency and power accordingly.The present invention, according to local climate feature and equipment performance feature, uses orthogonal test, obtains actual motion rule, thus find the most energy-conservation equipment control method.

Description

Air-cooled heat pump under cooling condition works in coordination with converting operation method
Technical field
The present invention relates to field of air conditioning, particularly relate to the air-cooled heat pump under a kind of cooling condition and work in coordination with converting operation method.
Background technology
Society's total energy consumption is mainly made up of building energy consumption, traffic energy consumption and energy consumption, and wherein building energy consumption accounts for total energy About the 30% of consumption, and in building energy consumption, have 50% from air-conditioning.Thus reduce air conditioning energy consumption and political affairs are reduced discharging for national energy-saving Plan has important strategic importance.
Existing air conditioning system frequency conversion runs, or refrigeration host computer only carries out frequency conversion, otherwise only to chilled water pump frequency conversion or Cooling water pump frequency conversion, each equipment frequency conversion independent operating.Then, refrigeration host computer compressor horsepower and pump power is non-the most linearly closes System, as cooling water pump flow diminishes, condensation temperature can raise, and then causes compressor power consumption to increase, thus, only investigating On the basis of total energy consumption, find the converting operation scheme of an equipment, it is achieved air conditioning system energy-saving operation.
The patent " air conditioning system and control method, the off-premises station of air conditioning system " of patent No. CN201410028569.9 is public Open a kind of air conditioner system control method, comprised the following steps: obtained the mode of operation of air conditioning system, and open according to mode of operation The frequency-changeable compressor of the off-premises station of dynamic air conditioning system；Obtain target coolant saturation temperature；According to target coolant saturation temperature to change Frequently compressor carries out VFC；During the VFC to frequency-changeable compressor, obtain the operation time of frequency-changeable compressor And the running frequency of frequency-changeable compressor or running current；Operation time according to frequency-changeable compressor and the fortune of frequency-changeable compressor Target coolant saturation temperature is adjusted by line frequency or running current.This air conditioner system control method can be independent of indoor Machine and the frequency-changeable compressor of off-premises station is carried out VFC, decrease control parameter transmitting procedure, reduce air conditioning system Complexity, improves air conditioning system operational reliability.The invention also discloses the off-premises station of a kind of air conditioning system and a kind of bag Include the air conditioning system of the off-premises station of this air conditioning system.
It is empty that the patent " control method of frequency-conversion air-conditioning system " of patent No. CN201310510474.6 discloses a kind of frequency conversion The control method of adjusting system, including controller cooling loop, the cooling of described controller is provided with for dissipating to controller on loop The frequency conversion radiator of heat, described frequency conversion radiator includes frequency-variable controller heat exchanger and frequency-variable controller blower fan, and its feature exists In, comprise the following steps: (1) temperature, frequency detecting step: detect described frequency-variable controller heat exchanger coil temperature TA, Compressor actual motion frequency f0；(2) controller cooling loop cooling step: when t1≤TA≤t2 DEG C and f0 ＜ current compressor During setpoint frequency fa, described controller cooling loop is closed, and the energising of described frequency-variable controller blower fan runs；As t2 DEG C of ＜ TA≤t3 DEG C and during f0 ＜ fa, described controller cooling loop is opened, and described main coolant loop, described frequency conversion are accessed in controller cooling loop Controller blower fan power-off.
Summary of the invention
It is an object of the invention to according to local climate feature and air conditioning system feature, based on air conditioning system total energy consumption minimum Operation method.
For achieving the above object, the technical scheme is that the air-cooled heat pump under a kind of cooling condition is collaborative to become Frequently operation method, for the air-cooled heat pump that building is conventional, at part load, to refrigeration compressor, cooling blower and cold wind Machine carries out collaborative variable frequency adjustment, and implementation process includes:
Step one, according to excursion and the cold feature of building of location air themperature, analyzes building cold negative The Changing Pattern of lotus；According to air-cooled heat pump status of equipment, determine the excursion of cooling air quantity and cold blast rate；
Wherein, building cooling load is air conditioner load, and air themperature is outside air temperature, i.e. cools down air temperature；Cooling Air quantity refers to flow through the air of air-cooled heat pump condenser；Cold blast rate refers to flow through the air of air-cooled heat pump vaporizer.
Step 2, according to the excursion design four of the excursion of air themperature, refrigeration duty, cold blast rate and cooling air quantity Unit's Quadratic Orthogonal test, obtains the air-cooled heat pump total energy consumption data mould with four Parameters variation according to Regression Result of Experimental Data Type；
Step 3, carries out Mathematical treatment to data model, obtains making cooling air quantity that air-cooled heat pump total energy consumption is minimum and cold Air quantity is with building cooling load and the computing formula of air temperature variations；
Step 4, it was predicted that building load that the some time inscribes and air themperature；
Step 5, according to the computing formula of step 4, i.e. can get optimal cooling air quantity value and cold blast rate that the some time inscribes Value, carries out corresponding power adjustments to cooling blower and air-cooler.
The invention has the beneficial effects as follows:
The present invention, according to local climate feature and air conditioning system feature, uses orthogonal test, and the operation obtaining each system becomes Law, thus find the most energy-conservation method of operation.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below.
Air-cooled heat pump under a kind of cooling condition works in coordination with converting operation method, the air-cooled heat pump commonly used for building, Under sub-load, refrigeration compressor, cooling blower and air-cooler carrying out collaborative variable frequency adjustment, implementation process includes:
Step one, according to excursion and the cold feature of building of location air themperature, analyzes building cold negative The Changing Pattern of lotus；According to air-cooled heat pump status of equipment, determine the excursion of cooling air quantity and cold blast rate；
Wherein, building cooling load is air conditioner load, and air themperature is outside air temperature, i.e. cools down air temperature；Cooling Air quantity refers to flow through the air of air-cooled heat pump condenser；Cold blast rate refers to flow through the air of air-cooled heat pump vaporizer.
Step 2, according to the excursion design four of the excursion of air themperature, refrigeration duty, cold blast rate and cooling air quantity Unit's Quadratic Orthogonal test, obtains the air-cooled heat pump total energy consumption data mould with four Parameters variation according to Regression Result of Experimental Data Type；
Step 3, carries out Mathematical treatment to data model, obtains making cooling air quantity that air-cooled heat pump total energy consumption is minimum and cold Air quantity is with building cooling load and the computing formula of air temperature variations；
Step 4, it was predicted that building load that the some time inscribes and air themperature；
Step 5, according to the computing formula of step 4, i.e. can get optimal cooling air quantity value and cold blast rate that the some time inscribes Value, carries out corresponding power adjustments to cooling blower and air-cooler.
Described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the present invention In embodiment, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise Example, broadly falls into the scope of protection of the invention.

Claims (1)

1. the air-cooled heat pump under cooling condition works in coordination with a converting operation method, for the air-cooled heat pump that building is conventional, in portion Divide under load, refrigeration compressor, cooling blower and air-cooler are carried out collaborative variable frequency adjustment, it is characterised in that implementation process bag Include:
Step one, according to excursion and the cold feature of building of location air themperature, analyzes building cooling load Changing Pattern；According to air-cooled heat pump status of equipment, determine the excursion of cooling air quantity and cold blast rate；
Wherein, building cooling load is air conditioner load, and air themperature is outside air temperature, i.e. cools down air temperature；Cooling air quantity Refer to flow through the air of air-cooled heat pump condenser；Cold blast rate refers to flow through the air of air-cooled heat pump vaporizer.
Step 2, according to the excursion design quaternary two of the excursion of air themperature, refrigeration duty, cold blast rate and cooling air quantity Secondary orthogonal test, obtains the air-cooled heat pump total energy consumption data model with four Parameters variation according to Regression Result of Experimental Data；
Step 3, carries out Mathematical treatment to data model, obtains making cooling air quantity and the cold blast rate that air-cooled heat pump total energy consumption is minimum With building cooling load and the computing formula of air temperature variations；
Step 4, it was predicted that building load that the some time inscribes and air themperature；
Step 5, according to the computing formula of step 4, i.e. can get optimal cooling air quantity value and cold wind value that the some time inscribes, right Cooling blower and air-cooler carry out corresponding power adjustments.
CN201610516958.5A 2016-07-01 2016-07-01 Air-cooled heat pump under cooling condition cooperates with converting operation method Active CN106152401B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109086447A (en) * 2018-08-20 2018-12-25 珠海格力电器股份有限公司 Energy consumption detecting method, device, computer equipment and the storage medium of heat-pump apparatus
CN109114805A (en) * 2018-07-17 2019-01-01 珠海格力电器股份有限公司 A kind of determination method and device of equipment energy consumption
CN110296497A (en) * 2018-03-21 2019-10-01 开利公司 The system and method for connecting the HVAC health monitoring of family
CN111271835A (en) * 2019-06-28 2020-06-12 宁波奥克斯电气股份有限公司 Power-based motor speed reduction, speed increase and rotation speed automatic control method and air conditioner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH102596A (en) * 1996-06-14 1998-01-06 Matsushita Electric Ind Co Ltd Air conditioner
CN1287248A (en) * 1999-09-07 2001-03-14 范新 Air-cooled modular cold and hot water machine set
KR20080079482A (en) * 2007-02-27 2008-09-01 엘지전자 주식회사 Air conditioner and operating method for the same
CN104048390A (en) * 2014-07-04 2014-09-17 国家电网公司 Method for diagnosing energy efficiency of air-cooled heat-pump central air-conditioning unit
CN105605753A (en) * 2016-01-26 2016-05-25 上海交通大学 Fresh air supply temperature control system based on variable refrigerant volume (VRV) and fresh air fan hybrid air-conditioning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH102596A (en) * 1996-06-14 1998-01-06 Matsushita Electric Ind Co Ltd Air conditioner
CN1287248A (en) * 1999-09-07 2001-03-14 范新 Air-cooled modular cold and hot water machine set
KR20080079482A (en) * 2007-02-27 2008-09-01 엘지전자 주식회사 Air conditioner and operating method for the same
CN104048390A (en) * 2014-07-04 2014-09-17 国家电网公司 Method for diagnosing energy efficiency of air-cooled heat-pump central air-conditioning unit
CN105605753A (en) * 2016-01-26 2016-05-25 上海交通大学 Fresh air supply temperature control system based on variable refrigerant volume (VRV) and fresh air fan hybrid air-conditioning system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296497A (en) * 2018-03-21 2019-10-01 开利公司 The system and method for connecting the HVAC health monitoring of family
CN110296497B (en) * 2018-03-21 2022-10-11 开利公司 System and method for linking home HVAC health monitoring
CN109114805A (en) * 2018-07-17 2019-01-01 珠海格力电器股份有限公司 A kind of determination method and device of equipment energy consumption
CN109114805B (en) * 2018-07-17 2020-11-03 珠海格力电器股份有限公司 Method and device for determining equipment energy consumption
CN109086447A (en) * 2018-08-20 2018-12-25 珠海格力电器股份有限公司 Energy consumption detecting method, device, computer equipment and the storage medium of heat-pump apparatus
CN111271835A (en) * 2019-06-28 2020-06-12 宁波奥克斯电气股份有限公司 Power-based motor speed reduction, speed increase and rotation speed automatic control method and air conditioner
CN111271835B (en) * 2019-06-28 2022-01-25 宁波奥克斯电气股份有限公司 Power-based motor speed-up and rotating speed automatic control method and air conditioner

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