CN201242314Y - Heat reclamation type solar injection electric compression heat pump air-conditioning unit - Google Patents

Heat reclamation type solar injection electric compression heat pump air-conditioning unit Download PDF

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Publication number
CN201242314Y
CN201242314Y CN 200820070420 CN200820070420U CN201242314Y CN 201242314 Y CN201242314 Y CN 201242314Y CN 200820070420 CN200820070420 CN 200820070420 CN 200820070420 U CN200820070420 U CN 200820070420U CN 201242314 Y CN201242314 Y CN 201242314Y
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CN
China
Prior art keywords
valve
air
water
pipeline
conditioning
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200820070420
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Chinese (zh)
Inventor
范晓伟
郑慧凡
连之伟
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Zhongyuan University of Technology
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Zhongyuan University of Technology
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Priority to CN 200820070420 priority Critical patent/CN201242314Y/en
Application granted granted Critical
Publication of CN201242314Y publication Critical patent/CN201242314Y/en
Anticipated expiration legal-status Critical
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat 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 utility model relates to a heat recovery type solar electric spray compression air-conditioning heat pump unit which utilizes solar energy for heating and cooling. The unit comprises a solar hot water return, a coolant spraying return, an electrical compression coolant return and an air-conditioning water return, the unit determines the starting and the stopping of a spraying system and an electrical compression heat pump air-conditioning system according to the requirements of air-conditioning load and the concrete condition of solar radiation, a part of heat energy of a part of compressor discharge coolant can be recycled for heating hot water when the electrical compression heat pump air-conditioning system supplies cold through switching a valve and a switch control water system and the flow path of the coolant, chilled water for air-conditioners and hot water whose temperature is between 40-80 DEG C can be stably and reliably provided, the temperature of hot water has big span, which can satisfy the supply of domestic hot water, can satisfy the heat supply of the manufacturing technique and small-sized districts and further can singly supply low-temperature chilling water, the unit is suitable for radiant cooling and an air conditioning of a fan coil pipe, can fully utilize the solar energy, can improve the solar availability ratio, can reduce environment pollution and can relieve the pressure of an electric network.

Description

Heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit
Technical field
The utility model relates to a kind of heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit that utilizes solar energy to carry out heat supply, cooling, is applicable to the air conditioner refrigerating field.
Background technology
Along with the further aggravation of energy crisis, the utilization of solar energy has become the focus that people pay close attention to.In solar utilization technique, the solar energy jetting refrigeration system is simple in structure with it, and moving component is few, and low cost and other advantages is subjected to everybody favor, uses more and more widely in the air conditioner refrigerating field.The operational effect of tradition solar energy jetting refrigeration system is restricted by two factors mainly: the one, and the changing condition of solar radiation intensity, another factor is the variation characteristic of user side air conditioner refrigerating load.Carry out when the collection of solar energy only may be sunny by day, generally climate is capricious, and solar radiation intensity also is constantly to change, even if also can not rely on solar energy to carry out heat supply or cooling by day fully; In fact night, people also needed a certain amount of heat or colod-application in air-conditioning.Obviously, merely relying on solar energy is the requirement that impossible satisfy people work and life.Based on this, the solar energy jetting electric compression heat pump air-conditioning unit of a kind of recovery type heat of utility model, can effectively regulate on the one hand the difference between solar radiation and air conditioner load, make heat pump air conditioner when satisfying people comfortableness is required, make full use of solar energy resources; On the other hand when the electric compression heat pump air-conditioning system is opened operation (under the cooling condition), the suitable heat recovery of the portion temperature of cold-producing medium in condensation process is used for the hot water of supplementary heating solar thermal collection system, improve the refrigerating capacity of injection refrigerating system.This alleviates the peak of power consumption pressure that is caused by the conventional voltage compressing refrigeration system for energy savings, improves solar thermal utilization efficient, and important society and economic benefit are arranged.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of by setting up necessary refrigerant line and water lateral line, solar thermal collection system, solar energy jetting refrigeration system and electric compression heat pump air-conditioning system are connected, the condensation heat that makes full use of solar energy resources in the equilibrium of supply and demand between cooling, heating load and the air conditioner load of realizing unit and reduce in the cold process of voltage contraction is lost, and improves the heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit of the comprehensive cycle performance coefficient COP of unit.
The technical scheme that the utility model adopted is: comprise solar heat water loop, ejector refrigeration agent loop, voltage contraction refrigerant circuit, air conditioner water loop, it is characterized in that:
The solar heat water loop comprises solar thermal collector, the generator of connecting with solar thermal collector with water pump by the road;
In ejector refrigeration agent loop, be divided into two-way from condensator outlet: the pipeline of leading up to connects refrigerated medium pump, generator and injector, another road then connects choke valve successively, sprays evaporimeter and injector, is directly linked to each other by pipeline between injector and ejector condenser;
The compressor that voltage contraction refrigerant circuit comprises four-way change-over valve, connect with four-way change-over valve, the condenser, choke valve, evaporimeter and the generator that are connected with four-way change-over valve by pipeline; In the voltage contraction refrigerant circuit, the pipeline between four-way change-over valve and the condenser is divided into two branch roads, and one the tunnel through valve F 4, generator and valve F 5Insert condenser, another road pipeline is then through valve F 6Directly insert condenser;
The air conditioner water loop then comprises water collector, coupled generator, evaporimeter, injection evaporimeter, air-conditioning water pump and water knockout drum by the road, in the air conditioner water loop, is provided with valve F in the pipeline between water collector and generator 2, set gradually valve valve F in the connecting line between generator and the air-conditioning water pump 3, valve F 8, valve F 10, be provided with valve F between water collector and the evaporimeter on the pipeline successively 1, F 7, and valve F 1, F 7Between pipeline and valve F 3, F 8Pipeline intersect, evaporimeter is directly and valve F 8And F 10Between pipeline connect, spray evaporimeter one side through valve F 9With valve F 8And F 10Between pipeline connect, opposite side then directly connects the air-conditioning water pump.
Valve F 1-10Be manually to control or autocontrol valve.
The beneficial effects of the utility model are: this system can realize complementing one another of solar energy and electric energy, improve solar energy utilization ratio, by reclaiming the partial heat energy in the compressor exhaust temperature, can improve the comprehensive COP of unit, alleviate electrical network pressure, energy-saving and emission-reduction that air conditioning electricity causes, have remarkable social benefit and remarkable in economical benefits.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The 1-solar thermal collector, 2-water pump, 3-generator, 4-injector, 5-ejector condenser, the 6-refrigerated medium pump, the 7-choke valve, 8-sprays evaporimeter, 9-choke valve, the 10-condenser, 11-four-way change-over valve 12-compressor, 13-evaporimeter, 14-air-conditioning water pump, the 15-water knockout drum, 16-water collector, (F1, F2, F3, F4, F5, F6, F7, F8, F9, F10)-valve.
The specific embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further specify heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit.Fig. 1 is the schematic diagram of the utility model patent, and wherein heavy line is represented refrigerant line, and all the other mainly are water-system pipelines.
Heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit is made of solar heat water loop, ejector refrigeration agent loop, voltage contraction refrigerant circuit, air conditioner water loop.Comprise solar heat water loop, ejector refrigeration agent loop, voltage contraction refrigerant circuit, air conditioner water loop, it is characterized in that:
The solar heat water loop comprises solar thermal collector 1, the generator 3 of connecting with solar thermal collector 1 with water pump 2 by the road;
In ejector refrigeration agent loop, be divided into two-way from condenser 5 outlets: the pipeline of leading up to connects refrigerated medium pump 6, generator 3 and injector 4, another road then connects choke valve 7 successively, sprays evaporimeter 8 and injector 4, and injector 4 is directly linked to each other by pipeline with 5 of ejector condensers;
The compressor 12 that voltage contraction refrigerant circuit comprises four-way change-over valve 11, connect with four-way change-over valve 11, the condenser 10, choke valve 9, evaporimeter 13 and the generator 3 that are connected with four-way change-over valve 11 by pipeline; In the voltage contraction refrigerant circuit, the pipeline between four-way change-over valve 11 and the condenser 10 is divided into two branch roads, and one the tunnel through valve F 4, generator 3 and valve F 5Insert condenser 10, another road pipeline is then through valve F 6Directly insert condenser 10.
The air conditioner water loop then comprise water collector 16, by the road coupled generator 3, evaporimeter 13, spray evaporimeter 8, air-conditioning water pump 14 and water knockout drum 15, in the air conditioner water loop, be provided with valve F in the pipeline that water collector 16 and generator are 3 2, set gradually valve valve F in the connecting line between generator 3 and the air-conditioning water pump 14 3, valve F 8, valve F 10, be provided with valve F successively on the pipeline between water collector 16 and the evaporimeter 13 1, F 7, and valve F 1, F 7Between pipeline and valve F 3, F 8Pipeline intersect, evaporimeter 13 is directly and valve F 8And F 10Between pipeline connect, spray evaporimeter one side through valve F 9With valve F 8And F 10Between pipeline connect, opposite side then directly connects air-conditioning water pump 14.
Valve F 1-10Be manually to control or autocontrol valve.Above-mentioned valve all adopts identical valve.
This unit is estimated the air-conditioning hot water or cold water two for system.The hot water of temperature between 40-90 ℃ is provided when air conditioning water is provided, and hot water temperature's span is big, promptly can satisfy domestic hot-water supply, also can satisfy production technology heat supply and small area heat supply.System can also provide cryogenic freezing water separately, applicable to air-conditioning systems such as radiation cooling, fan coils;
The solar heat water loop is made up of solar thermal collector 1, water pump 2, generator 3 and pipeline, and water circulates absorption solar energy in pipeline, obtains needed hot water.
Ejector refrigeration agent loop then mainly is made up of generator 3, injector 4, spraying system condenser 5, refrigerated medium pump 6, throttling arrangement 7, spraying system evaporimeter 8 etc., during operation with the thermal power transfer of the water in the generator is coldly to use for air-conditioning system.
Voltage contraction refrigerant circuit is made up of compressor 12, evaporimeter 13, condenser 10, throttling arrangement 9, four-way change-over valve 11 and some necessary control systems, will carry out cooling and heat supply according to the needs of air conditioner load during operation.The heat of condensation that valve F4, F5, F6 will control when summer, the electric compression heat pump air-conditioning system was moved reclaims.
Air-conditioning water pump 14, water collector 16, water knockout drum 15 and valve F 1, F 2, F 3, F 7, F 8, F 9, F 10The main needs of realizing to user's heat supply, cooling.
When air-conditioning system needs cooling: valve F 2, F 3Close F 1Open.Daytime, solar energy resources was abundant, and the temperature in the boiler 2 reaches injection refrigerating system and starts when requiring, and injection refrigerating system brings into operation, and the voltage compressing refrigeration system stops, valve F 7, F 10Close F 8, F 9Open-minded.At this moment, separately by injection refrigerating system to the air-conditioning system cooling.When solar energy resources was not enough, injection refrigerating system was out of service, and the voltage compressing refrigeration system starts, valve F 8, F 9Close F 7, F 10Open-minded.At this moment, the voltage compressing refrigeration system is to the air-conditioning system cooling.Voltage compressing refrigeration system when operation,, then open valve F if when compressor 12 outlet refrigerant temperatures are higher than in the generator hot water temperature 5-10 ℃ 4And F 5, valve-off F 6, cold-producing medium will flow through generator and heat behind hot water in it condensation heat release in the condenser again; Otherwise, valve-off F 4And F 5, open valve F 6, cold-producing medium directly enters the condenser heat release.
When air-conditioning system needs heat supply: when daytime solar energy resources abundant, when the temperature in the boiler 2 reaches the required temperature of air conditioner user heat supply, valve F 2, F 3, F 8, F 10Open valve F 1, F 7, F 9Close.By solar thermal collection system directly to the air conditioner user heat supply.When the solar energy resources deficiency, the temperature in the boiler 2 does not reach when requiring, valve-off F 2, F 3, F 8, F 9, open F 1, F 7, F 10, the hot system of voltage contraction starts valve F 4And F 5Close F 6Open-minded, at this moment, the voltage compression system is to the air-conditioning system heat supply.

Claims (2)

1, a kind of heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit comprises solar heat water loop, ejector refrigeration agent loop, voltage contraction refrigerant circuit, air conditioner water loop, it is characterized in that:
The solar heat water loop comprises solar thermal collector (1), by the road and water pump (2) generator (3) of connecting with solar thermal collector (1);
In ejector refrigeration agent loop, be divided into two-way from condenser (5) outlet: the pipeline of leading up to connects refrigerated medium pump (6), generator (3) and injector (4), another road then connects choke valve (7) successively, sprays evaporimeter (8) and injector (4), is directly linked to each other by pipeline between injector (4) and ejector condenser (5);
The compressor (12) that voltage contraction refrigerant circuit comprises four-way change-over valve (11), connect with four-way change-over valve (11), the condenser (10), choke valve (9), evaporimeter (13) and the generator (3) that are connected with four-way change-over valve (11) by pipeline; In the voltage contraction refrigerant circuit, the pipeline between four-way change-over valve (11) and the condenser (10) is divided into two branch roads, and one the tunnel through valve F 4, generator (3) and valve F 5Insert condenser (10), another road pipeline is then through valve F 6Directly insert condenser (10);
The air conditioner water loop then comprise water collector (16), by the road coupled generator (3), evaporimeter (13), spray evaporimeter (8), air-conditioning water pump (14) and water knockout drum (15), in the air conditioner water loop, be provided with valve F in the pipeline between water collector (16) and generator (3) 2, set gradually valve valve F in the connecting line between generator (3) and the air-conditioning water pump (14) 3, valve F 8, valve F 10, be provided with valve F successively on the pipeline between water collector (16) and the evaporimeter (13) 1, F 7, and valve F 1, F 7Between pipeline and valve F 3, F 8Pipeline intersect, evaporimeter (13) is directly and valve F 8And F 10Between pipeline connect, spray evaporimeter one side through valve F 9With valve F 8And F 10Between pipeline connect, opposite side then directly connects air-conditioning water pump (14).
2, according to the heat reclamation-type solar energy jetting electric compression heat pump air-conditioning unit described in the claim 1, it is characterized in that: valve F 1-10Be manually to control or autocontrol valve.
CN 200820070420 2008-05-07 2008-05-07 Heat reclamation type solar injection electric compression heat pump air-conditioning unit Expired - Fee Related CN201242314Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200820070420 CN201242314Y (en) 2008-05-07 2008-05-07 Heat reclamation type solar injection electric compression heat pump air-conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200820070420 CN201242314Y (en) 2008-05-07 2008-05-07 Heat reclamation type solar injection electric compression heat pump air-conditioning unit

Publications (1)

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CN201242314Y true CN201242314Y (en) 2009-05-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101290176B (en) * 2008-05-07 2011-08-24 中原工学院 Heat reclamation -type solar energy jetting electric compression heat pump air-conditioning unit
CN103822393A (en) * 2012-11-16 2014-05-28 珠海格力电器股份有限公司 Air-conditioning system
CN106225311A (en) * 2016-07-27 2016-12-14 哈尔滨工业大学 A kind of condensation heat recovery type air source solar energy coupling heat pump air conditioning and water heating system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101290176B (en) * 2008-05-07 2011-08-24 中原工学院 Heat reclamation -type solar energy jetting electric compression heat pump air-conditioning unit
CN103822393A (en) * 2012-11-16 2014-05-28 珠海格力电器股份有限公司 Air-conditioning system
CN103822393B (en) * 2012-11-16 2016-03-23 珠海格力电器股份有限公司 Air-conditioning system
CN106225311A (en) * 2016-07-27 2016-12-14 哈尔滨工业大学 A kind of condensation heat recovery type air source solar energy coupling heat pump air conditioning and water heating system
CN106225311B (en) * 2016-07-27 2019-01-08 哈尔滨工业大学 A kind of condensation heat recovery type air-source-solar energy coupling heat pump air conditioning and water heating system

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090520

Termination date: 20100507