CN102734973B - A kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system - Google Patents
A kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system Download PDFInfo
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- CN102734973B CN102734973B CN201110085623.XA CN201110085623A CN102734973B CN 102734973 B CN102734973 B CN 102734973B CN 201110085623 A CN201110085623 A CN 201110085623A CN 102734973 B CN102734973 B CN 102734973B
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Abstract
The present invention proposes a kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system completely newly. First, unit is with two cover refrigeration systems, wherein a set of for providing special air conditioner water for capillary radiation air-conditioning system, compared with conventional heat pump unit, summer can provide the refrigerated water of comparatively high temps, and winter then provides the hot water of lesser temps, a set of in addition, is used for as fresh air treatment system provides special air conditioner water, the refrigerated water of lesser temps is provided summer, the hot water of comparatively high temps is provided winter; Secondly, two cover refrigeration systems share a condenser (winter is vaporizer), share same set of intelligent control system, and compressor, thermal expansion valve, vaporizer are then separate, and have different working parameters. By the control of a set of unified intelligent control system, the leaving water temperature(LWT) of two cover systems and cooling and warming load can be carried out independent control by unit, and by the resource sharing of the optimization design of refrigeration system and heat exchanger, such that it is able to the distinctive working condition of capillary radiation air-conditioning system is carried out sufficient Optimum utilization, water source heat pump units of the present invention is improved more than at least 30% than the overall efficiency of traditional water source heat pump units.
Description
Technical field
The present invention relates to a kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system, unit can provide the air conditioner water of two kinds of temperature simultaneously, and improves more than 30% than the efficiency of traditional water source heat pump units, belongs to highly effective energy-saving heat pump technical field.
Background technology
Capillary radiation air-conditioning system is a kind of novel air-conditioning system type, and the air-conditioning system of this kind of form adopts the mode of thermal radiation cooled by air conditioning area and heat, and replaces traditional forced convection heat exchange form. Its maximum advantage heat interchanging area is big, thus reduces the temperature difference of heat exchange, makes heat pump set will temperature not fall too low when refrigeration, also will heating temperatures get Tai Gao when system heat. Wherein chilled water temperature in summer is higher than conventional central air-conditioning more than 10 DEG C, and winter, hot water temperature was then low than conventional central air-conditioning more than 10 DEG C. In theory, such water temperature can make the efficiency of heat pump set improve more than at least 30%. But, the air-conditioning system of this kind of form is in the problem that the greatest problem that summer exists is the solidifying dew in building enclosure surface, room, it is thus desirable to room wet-bulb temperature is carried out appropriate control, particularly for the new wind containing a large amount of moisture, before being transported to indoor, must effectively dehumidifying, and the most effective means dehumidified reduces refrigerated water supply water temperature exactly, the chilled water temperature that general summer dehumidifies should not higher than 7 DEG C. Obviously, capillary radiation system and fresh air treatment system can not be compatible to the requirement of water temperature. Current way is prepared into the temperature required for new wind system by heat pump set by unified for water temperature, then a part directly supplies new wind system use, major part in addition then carries out temperature adjustment by heat exchanger so that it is supplies capillary radiation air-conditioning system after reaching the temperature required by kapillary air-conditioning system again and uses.Thus, the capillary system energy saving space in theory will be offseted completely, thus does not have to give full play to the advantage of capillary radiation air-conditioning system in this one side.
Summary of the invention
In order to overcome the shortcoming of the existing water source heat pump units of kapillary air-conditioning system, the present invention proposes a kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system completely newly. First, unit is with two cover refrigeration systems, wherein a set of for providing special air conditioner water for capillary radiation air-conditioning system, compared with conventional heat pump unit, summer can provide the refrigerated water of comparatively high temps, and winter then provides the hot water of lesser temps, a set of in addition, is used for as fresh air treatment system provides special air conditioner water, the refrigerated water of lesser temps is provided summer, the hot water of comparatively high temps is provided winter; Secondly, two cover refrigeration systems share a water-cooled condenser (winter is vaporizer), share same set of intelligent control system, and compressor, thermal expansion valve, vaporizer are then separate, and have different working parameters. By the control of a set of unified intelligent control system, the leaving water temperature(LWT) of two cover systems and cooling and warming load can be carried out independent control by unit, and by the resource sharing of the optimization design of refrigeration system and heat exchanger, such that it is able to the distinctive working condition of capillary radiation air-conditioning system is carried out sufficient Optimum utilization, heat pump set of the present invention is improved more than at least 30% than the overall efficiency of traditional water source heat pump units.
The concrete technical scheme of the present invention is as follows:
A kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system, comprise for the first refrigeration system for air-conditioning system offer special air conditioner water, 2nd refrigeration system of special air conditioner water is provided for fresh air treatment system, and comprise heat-eliminating medium loop, a upstream and the double-refrigerant loop water-cooled condenser of a downstream cooling medium loop, described first refrigeration system comprises the first compressor, first interchanger, first four-way change-over valve and first throttle valve, described 2nd refrigeration system comprises the 2nd compressor, 2nd interchanger, 2nd four-way change-over valve and second throttle, described air-conditioning system is capillary radiation air-conditioning system,
The output terminal of described first compressor is coupled in the heat-eliminating medium loop, upstream of described double-refrigerant loop water-cooled condenser by described first four-way change-over valve, and is connected to the input terminus of described first interchanger by described first throttle valve; The output terminal of described first interchanger is then connected to the input terminus of described first compressor by described first four-way change-over valve;
The output terminal of described 2nd compressor is coupled in the downstream cooling medium loop of described double-refrigerant loop water-cooled condenser by described 2nd four-way change-over valve, and is connected to the input terminus of described 2nd interchanger by described second throttle; The output terminal of described 2nd interchanger is then connected to the input terminus of described 2nd compressor by described 2nd four-way change-over valve.
Further, also comprise for coordinating and control the work of the first refrigeration system, the 2nd refrigeration system, leaving water temperature(LWT), the cooling and warming load of two refrigeration systems can be carried out Real-Time Monitoring and control simultaneously, thus the intelligent control system that the temperature requirement enabling system is adjusted timely and meets.
Further, described first compressor has different refrigerating duty and different compression ratio from described 2nd compressor.
Further, described first interchanger and/or described 2nd interchanger are any one in plate-type evaporator, shell and-tube evaporator or telescoping vaporizer.
Further, described first interchanger has different vaporization temperatures and evaporating pressure from described 2nd interchanger.
Further, described first throttle valve has the different coefficients of expansion from described second throttle.
Accompanying drawing explanation
Fig. 1 is the refrigeration system schema of unit of the present invention.
Fig. 2 shows the control principle of intelligent control system.
The refrigeration system that two covers are independent:
Unit involved in the present invention possesses the separate refrigeration system of two covers, wherein a set of for providing special air conditioner water for capillary radiation air-conditioning system, compared with conventional heat pump unit, summer can provide the refrigerated water of comparatively high temps, and winter then provides the hot water of lesser temps; A set of in addition, it is used for the refrigerated water of lesser temps being provided summer for fresh air treatment system provides special air conditioner water, the hot water of comparatively high temps being provided winter. The refrigeration system that can adapt to working condition owing to adopting, thus make the coefficient of performance of complete machine improve more than 30% than traditional heat pump set.
The compressor unit that two covers are independent:
Unit involved in the present invention possesses the different refrigeration compressor set of two cover compression ratios, and wherein one group is used for having bigger refrigerating duty, lower compression ratio and higher refrigerating efficiency for capillary system provides cooling and warming; Other one group is used for having less refrigerating duty, higher compression ratio and the refrigerating efficiency suitable with conventional air-conditioning for new wind system provides cooling and warming.
The water-cooled condenser (winter is vaporizer) in a double-refrigerant loop:
Heat pump set involved in the present invention is configured with the water-cooled condenser in a double-refrigerant loop. The coolant loop of condenser is divided into two, corresponding respectively to fresh air refrigerating system and kapillary air-conditioning refrigeration system, the condenser that wherein condenser of fresh air refrigerating system is positioned at the upstream kapillary air-conditioning refrigeration system in interchanger heat-eliminating medium loop is then positioned at the downstream in interchanger heat-eliminating medium loop. The object so arranged is because the Cooling and Heat Source temperature difference of capillary system is bigger, cause system compresses higher frequently, its interchanger is positioned over the upstream of heat-eliminating medium, be conducive to utilizing the cooling medium inlet temperature of lower (winter is then for higher) to reduce the condensing pressure (winter is then for improving the evaporating pressure of unit) of unit, thus reduce the compression ratio of system, improve the efficiency of new wind-heat pump system, and due to the Cooling and Heat Source temperature difference of capillary radiation system less, therefore its interchanger is arranged in downstream and efficiency can not be produced excessive impact. So the benefit of design interchanger is 1) compact construction, 2) share heat interchanging area and heat-eliminating medium handling equipment, 3) the comprehensive efficiency improving unit.
Two separate vaporizers (winter is condenser):
Heat pump set involved in the present invention adopts the vaporizer of two separate water-refrigerant heat exchange form, evaporator type is any one among plate-type heat exchanger, shell and-tube heat exchanger or double-pipe exchanger, two vaporizers have different vaporization temperatures and evaporating pressure, and the supply water temperature corresponding to respective served system.
Two separate thermal expansion systems:
Heat pump set involved in the present invention adopts two independent thermal expansion systems, and two expansion systems have the different coefficients of expansion, and the vaporization temperature corresponding to respective served system.
A set of intelligent control system:
Heat pump set involved in the present invention adopts a set of intelligent control system, is used for coordinating and controls the work of two refrigeration systems, it is possible to leaving water temperature(LWT), the cooling load of two refrigeration systems is carried out Real-Time Monitoring and control simultaneously.Thus the temperature requirement enabling system is adjusted timely and is met.
Claims (6)
1. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system, comprise for the first refrigeration system for air-conditioning system offer special air conditioner water, 2nd refrigeration system of special air conditioner water is provided for fresh air treatment system, and comprise heat-eliminating medium loop, a upstream and the double-refrigerant loop water-cooled condenser of a downstream cooling medium loop, described first refrigeration system comprises the first compressor, first interchanger, first four-way change-over valve and first throttle valve, described 2nd refrigeration system comprises the 2nd compressor, 2nd interchanger, 2nd four-way change-over valve and second throttle, it is characterized in that: described air-conditioning system is capillary radiation air-conditioning system,
The output terminal of described first compressor is coupled in the heat-eliminating medium loop, upstream of described double-refrigerant loop water-cooled condenser by described first four-way change-over valve, and is connected to the input terminus of described first interchanger by described first throttle valve; The output terminal of described first interchanger is then connected to the input terminus of described first compressor by described first four-way change-over valve;
The output terminal of described 2nd compressor is coupled in the downstream cooling medium loop of described double-refrigerant loop water-cooled condenser by described 2nd four-way change-over valve, and is connected to the input terminus of described 2nd interchanger by described second throttle; The output terminal of described 2nd interchanger is then connected to the input terminus of described 2nd compressor by described 2nd four-way change-over valve.
2. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system as claimed in claim 1, it is characterised in that:
Also comprise for coordinating and control the work of the first refrigeration system, the 2nd refrigeration system, leaving water temperature(LWT), the cooling and warming load of two refrigeration systems can be carried out Real-Time Monitoring and control simultaneously, thus the intelligent control system that the temperature requirement enabling system is adjusted timely and meets.
3. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system as claimed in claim 1, it is characterised in that:
Described first compressor has different refrigerating duty and different compression ratio from described 2nd compressor.
4. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system as claimed in claim 1, it is characterised in that:
Described first interchanger and/or described 2nd interchanger are any one in plate-type evaporator, shell and-tube evaporator or telescoping vaporizer.
5. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system as claimed in claim 1, it is characterised in that:
Described first interchanger has different vaporization temperatures and evaporating pressure from described 2nd interchanger.
6. the special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system as claimed in claim 1, it is characterised in that:
Described first throttle valve has the different coefficients of expansion from described second throttle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110085623.XA CN102734973B (en) | 2011-04-06 | 2011-04-06 | A kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110085623.XA CN102734973B (en) | 2011-04-06 | 2011-04-06 | A kind of special efficient water source heat pump units of the dual temperature in capillary radiation air-conditioning system |
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| CN102734973A CN102734973A (en) | 2012-10-17 |
| CN102734973B true CN102734973B (en) | 2016-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103759468B (en) * | 2014-01-08 | 2015-12-09 | 浙江理工大学 | A kind of two temperature-heat-source heat pump |
| CN106705489B (en) * | 2017-01-20 | 2019-05-24 | 上海理工大学 | In conjunction with the variable refrigerant volume system and its control method of air source heat pump hot water |
| CN109827304A (en) * | 2019-03-11 | 2019-05-31 | 南京慧和建筑技术有限公司 | A kind of fresh air-capillary network air joint regulating system and its winter or summer fresh air temperature control method |
| CN115388579B (en) * | 2022-07-19 | 2024-01-19 | 日出东方控股股份有限公司 | Control method of transformation ratio coupling heat pump system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002243204A (en) * | 2001-02-14 | 2002-08-28 | Shimizu Corp | Whole floor supply air conditioning system |
| CN200975761Y (en) * | 2006-03-27 | 2007-11-14 | 南京菲时特管业有限公司 | Air conditioner system with ground radiation cool-hot supply and replacement ventilation |
| DE202009007218U1 (en) * | 2009-05-20 | 2009-10-01 | Altec Solartechnik Ag | Arrangement for energetically optimized ventilation of buildings |
| CN101603714B (en) * | 2009-07-31 | 2012-05-30 | 际高建业有限公司 | Energy-saving air conditioning system utilizing radiating capillary tail ends for high and large space |
| CN201688619U (en) * | 2010-04-20 | 2010-12-29 | 深圳市兴日生实业有限公司 | Water temperature regulating equipment provided with two sets of independent temperature regulating components |
| CN101968243B (en) * | 2010-09-21 | 2012-11-28 | 东南大学 | Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 201803 Shanghai, Jiading District Road, Lane crane, Jiangqiao Wanda Plaza, room 816, office building, room 9, No. 26 Applicant after: Li Xinli Address before: 102, room 30, No. 2299, 200333 Jinsha River Road, Shanghai, Putuo District Applicant before: Li Xinli |
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| TR01 | Transfer of patent right |
Effective date of registration: 20161228 Address after: Room 9, Building 29, Lane 26, Lane 201803, Jiading District, Shanghai, China Patentee after: Shanghai Hansienll Air Conditioning Energy Saving Technology Co., Ltd. Address before: 201803 Shanghai, Jiading District Road, Lane crane, Jiangqiao Wanda Plaza, room 816, office building, room 9, No. 26 Patentee before: Li Xinli |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI HANSIENLL AIR CONDITIONING ENERGY SAVING TECHNOLOGY Co.,Ltd. Document name: payment instructions |