CN206146044U - Solar energy air source heat pump unit - Google Patents

Abstract

The utility model discloses a solar energy air source heat pump unit, the shell tube heat exchanger that is connected including scroll compressor, with scroll compressor's high temperature gas outlet, the expansion valve of being connected with shell tube heat exchanger, the air side heat exchanger, solar energy heat exchanger and connection the vapour and liquid separator solar energy heat exchanger and scroll compressor's air inlet between of connection on air side heat exchanger that are connected with the expansion valve. Original air source heat pump unit hot water obtaining energy is the total of air heat energy and electrical apparatus ability, and this device hot water obtaining energy is the total of air heat energy, solar energy and electrical apparatus ability, and when acquireing same hot water volume, efficiency is higher to can select to acquire the mode of energy in a flexible way in different environment, it is more energy -concerving and environment -protective.

Description

A kind of solar air source heat pumps unit

Technical field

The utility model belongs to energy-conserving and environment-protective technical fiel, and in particular to a kind of solar air source heat pumps unit.

Background technology

Air source heat pump, the good reputation for as one kind of heat pump techniques, having " porter of the Nature energy ", uses into The multiple advantage such as this low, easy to operate, good heating effect, safety, clean.Moved as main using the energy in ubiquitous air Power, by a small amount of electrical energy drive compressor operation, realizes the transfer of energy, without the need for complicated configuration, expensive water intaking, recharge or Person's soil heat exchange system and Special machine room, can gradually reduce a large amount of pollutant emissions that traditional heating brings to atmospheric environment, Ensure the purpose that energy-conserving and environment-protective are taken into account while heating effect.Existing net for air-source heat pump units obtains air energy by evaporimeter With the gross energy that the electric energy obtained by compressor is source pump, evaporimeter is mainly carries out heat exchange using refrigerant and air Energy is obtained, when ambient temperature is relatively low, the energy that air is obtained with refrigerant heat exchange is less, now need to increase compression The power of machine, is heated with the energy for obtaining enough to water, produces temperature required hot water, existing evaporimeter energy harvesting Mode is single, it is impossible to which energy storage, efficiency is low；And existing air source heat pump cooling and warming switches the structure without reasonable simplicity, The problem for causing cooling and warming switching behind efficiency not high.

Utility model content

The purpose of this utility model is the defect for overcoming prior art, there is provided it is a kind of it is rational in infrastructure, using solar energy Carry out low temperature thermal compensation, improve efficiency, the flexible solar air source heat pumps unit of cooling and warming switching.

To achieve these goals, the technical scheme that the utility model is taken is as follows：

A kind of solar air source heat pumps unit, including the high temperature gas outlet of scroll compressor and scroll compressor The shell and tube exchanger of connection and shell and tube exchanger connection expansion valve and expansion valve connection air side heat exchanger, be connected to Solar heat exchanger on air side heat exchanger and it is connected between solar heat exchanger and the air inlet of scroll compressor Gas-liquid separator.

Used as further improvement of the utility model, the solar heat exchanger includes framework, is arranged on changing in framework Hot vaporizer, the heat-sink shell being arranged on framework madial wall, the vacuum layer being arranged between heat exchanging evaporator side and heat-sink shell And the foaming layer being arranged between heat exchanging evaporator opposite side and heat-sink shell.

Used as further improvement of the utility model, the heat exchanging evaporator includes spaced refrigerator pipes and air hose Road, the refrigerant inlet for being arranged on refrigerator pipes one end and it is arranged on the refrigerant outlet of the refrigerator pipes other end.

Used as further improvement of the utility model, the heat exchanging evaporator also includes being spaced with refrigerator pipes and air duct The phase-transition heat-storage pipe of setting.

Used as further improvement of the utility model, the heat exchanging evaporator also includes the refrigeration communicated with refrigerant inlet The transverse tube of agent first and the first arm being connected between the transverse tube of cold-producing medium first and refrigerator pipes.

Used as further improvement of the utility model, the heat exchanging evaporator also includes the refrigeration communicated with refrigerant outlet The transverse tube of agent second and the second arm being connected between the transverse tube of cold-producing medium second and refrigerator pipes.

Used as further improvement of the utility model, the heat-sink shell is solar energy heat absorbing material.

Used as further improvement of the utility model, the refrigerator pipes are inner screw thread copper pipe or hydrophilic aluminium foil corrugated wing Pipe.

Used as further improvement of the utility model, the foaming layer is polyurethane insulation coating.

The Advantageous Effects that the utility model is obtained are as follows：

The utility model is solar air source heat pumps unit, and solar energy heat absorbing material is provided with the outside of heat exchanging evaporator Material, while fine day obtains air energy, can absorb solar energy, when the energy that unit absorbs reaches saturation, heat exchanging evaporator And can be by solar energy savings more than needed in phase-transition heat-storage pipe, in cloudy day or evening, air themperature is relatively low, cold-producing medium and air When the energy of heat exchange is not enough, the solar energy release in phase-transition heat-storage pipe carries out low temperature thermal compensation, improves unit heat and efficiency, drop Low vortex formula compressor provides the ratio of electric energy, has saved electric energy；Vacuum layer plays a part of to completely cut off heat transfer, makes phase-transition heat-storage Pipe heat accumulation is not easily runed off, and the heat accumulation time is more long；Foaming layer is the heat-insulation layer of vaporising device, it is to avoid heat transfer occurs with outside air And cause energy loss.Original net for air-source heat pump units hot water obtains the summation that energy is air heat energy and electrical equipment energy, this dress Put hot water and obtain the summation that energy is air heat energy, solar energy and electrical equipment energy, it is in hgher efficiency when same hot water amount is obtained, and And can flexibly select to obtain the integrated mode of energy, particularly under low temperature environment, solar air source heat pumps in different environments The heat that unit is drawn is more than conventional rack, more energy-conserving and environment-protective.

Description of the drawings

Accompanying drawing 1 is structural representation of the present utility model；

Accompanying drawing 2 is the structural representation of the utility model solar heat exchanger；

Accompanying drawing 3 is the structural representation of the utility model heat exchanging evaporator.

In the accompanying drawings：

1 scroll compressor, 2 high temperature gas outlets, 3 air side heat exchangers, 4 air inlets, 5 heat-sink shells, 6 vacuum layers, 7 expansions Valve, 8 shell and tube exchangers, 9 gas-liquid separators, 10 the first transverse tubes of cold-producing medium, 11 the second transverse tubes of cold-producing medium, 12 first arms, 13 Second arm, 14 solar heat exchangers, 15 frameworks, 16 refrigerant outlets, 17 refrigerant inlets, 18 phase-transition heat-storage pipes, 19 foaming Layer, 20 heat exchanging evaporators, 21 air ducts, 22 refrigerator pipes, 23 magnetic valves.

Specific embodiment

Further details of narration is carried out to the utility model below in conjunction with accompanying drawing.

As illustrated in the accompanying drawings from 1 to 3, a kind of solar air source heat pumps unit, including scroll compressor 1 and scroll compressor The shell and tube exchanger 8 of the connection of high temperature gas outlet 2 of machine 1 and the expansion valve 7 and expansion valve 7 of the connection of shell and tube exchanger 8 connect The air side heat exchanger 3 that connects, the solar heat exchanger 14 being connected on air side heat exchanger 3 and be connected to solar heat exchanger 14 with Gas-liquid separator 9 between the air inlet 4 of scroll compressor 1.Magnetic valve 23 is provided with the solar heat exchanger 14, When refrigeration does not require the use of solar heat exchanger 14, magnetic valve 23 is closed, stop solar heat exchanger 14 and work.

Course of work when net for air-source heat pump units is heated is as follows：Carnot cycle principle is circulated and heats, vortex pressure Contracting machine 1 is crossed and consumes a part of electric energy, and the refrigerant gas of low-temp low-pressure are compressed into into the gas of HTHP, the gas of HTHP Body is released heat in shell and tube exchanger 8 and heats in the water in shell and tube exchanger 8, and oneself temperature is lowered, through expansion After the reducing pressure by regulating flow of valve 7, become the liquid of low-temp low-pressure, refrigerant suction is empty in air side heat exchanger 3 and solar heat exchanger 14 Heat in gas, becomes the gas of low-temp low-pressure, and gas-liquid separator 9 is separated refrigerant vapour with refrigerant liquid, point Separate out the liquid from the low-pressure steam of solar heat exchanger 14, it is to avoid the Wet Compression of scroll compressor 1, it is ensured that vortex pressure The normal oil return of contracting machine 1, the gas for being compressed into HTHP is absorbed by scroll compressor 1 into shell and tube exchanger 8 and water Heat exchange, produces hot water, and compared with the water heater of other forms, solar air source heat pumps unit mainly has safety, energy-saving and environmental protection The characteristics of.During refrigeration, cold-producing medium recycled back, and solar heat exchanger 14 now do not work, i.e., realize making against Carnot cycle It is cold.

The solar heat exchanger 14 includes framework 15, the heat exchanging evaporator 20 being arranged in framework 15, is arranged on framework Heat-sink shell 5 on 15 madial walls, the vacuum layer 6 being arranged between the side of heat exchanging evaporator 20 and heat-sink shell 5 and being arranged on is changed Foaming layer 19 between the opposite side of hot vaporizer 8 and heat-sink shell 5.The framework 15 is the structure fixed mount of this device, and end is equal Galvanized sheet, anticorrosion oxidation, Stability Analysis of Structures are set.The heat exchanging evaporator 20 includes spaced refrigerator pipes 22 and finned tube Road 21, the refrigerant inlet 17 for being arranged on the one end of refrigerator pipes 22 and it is arranged on the refrigerant outlet 16 of the other end of refrigerator pipes 22. The heat exchanging evaporator 20 also includes and refrigerator pipes 22 and the spaced phase-transition heat-storage pipe 18 of air duct 21.Phase-transition heat-storage pipe 18 are arranged between refrigerator pipes 22 and phase-transition heat-storage pipe 18 with the interval setting of refrigerator pipes 22, fin pipeline 21, and heat exchange area is equal greatly It is even, can quickly exchange heat.Phase-transition heat-storage pipe 18 is that phase change heat storage material, phase change heat storage material are added in High Efficency Heat Exchanging Copper Tube It is the heat of transformation that occurs in phase transition process using material carrying out the storage and utilization of heat.Compared with sensible heat heat-storing material, phase Change heat storage material thermal storage density is high, can at a constant temperature release amount of heat by phase transformation.Latent heat storage material can adopt six water Calcium chloride, Sodium acetate trihydrate, Organic Alcohol etc..The heat exchanging evaporator 20 also includes the cold-producing medium communicated with refrigerant inlet 17 One transverse tube 10 and the first arm 12 being connected between the first transverse tube of cold-producing medium 10 and refrigerator pipes 22.Cold-producing medium enters cold-producing medium Evenly distribute after first transverse tube 10 into refrigerator pipes 14, it is ensured that evenly distributed, it is to avoid temperature is uneven to produce interior consumption.The heat exchange Evaporimeter 20 also includes the second transverse tube of cold-producing medium 11 communicated with refrigerant outlet 16 and is connected to the second transverse tube of cold-producing medium 11 The second arm 13 between refrigerator pipes 22.The cold-producing medium that many refrigerator pipes 14 are discharged is pooled to one by the second transverse tube of cold-producing medium 11 Rise, be easy to collect recycling.The heat-sink shell 5 is solar energy heat absorbing material, can adopt solar energy absorbing coating, electrochemical surface Conversion coating or electroplated coating.The refrigerator pipes 22 are inner screw thread copper pipe or hydrophilic aluminium foil corrugated finned tube.The foaming Layer 19 is polyurethane insulation coating, and using fluorinefree polyurethane, heat conduction is low and energy is environmentally friendly.

The utility model is solar air source heat pumps unit, and in the outside of heat exchanging evaporator 20 solar energy heat absorbing material is provided with Material, while fine day obtains air heat, the refrigerant caning absorb in solar temperature rising refrigerator pipes 22, when temperature is higher, refrigeration While refrigerant in pipe 22 absorbs solar energy, and can by solar energy savings more than needed in phase-transition heat-storage pipe 18, at the cloudy day or Person's evening, air themperature is relatively low, and cold-producing medium is not enough with the energy of air heat-exchange, and the solar energy release in phase-transition heat-storage pipe 18 is carried out Low temperature thermal compensation, improves efficiency, reduces the ratio that scroll compressor 1 provides electric energy, has saved electric energy；Vacuum layer 6 play every The effect of thermal insulation transmission, not easily runs off the heat accumulation of phase-transition heat-storage pipe 18, and the heat accumulation time is more long；Foaming layer 19 is the guarantor of vaporising device Warm layer, it is to avoid heat transfer occurs with outside air and energy loss is caused.Original net for air-source heat pump units hot water obtains energy For air heat energy and the summation of electrical equipment energy, this device hot water acquisition energy is the summation of air heat energy, solar energy and electrical equipment energy, It is in hgher efficiency when obtaining same hot water amount, and can flexibly select to obtain the mode of energy, more energy-saving ring in different environments Protect.

The above embodiment is only preferred embodiment of the present utility model, and the not feasible enforcement of the utility model It is exhaustive.For persons skilled in the art, it is made on the premise of without departing substantially from the utility model principle and spirit Any obvious change for going out, all should be contemplated as falling with claims of the present utility model.

Claims (9)

1. a kind of solar air source heat pumps unit, it is characterised in that：It includes scroll compressor（1）With scroll compressor Machine（1）High temperature gas outlet（2）The shell and tube exchanger of connection（8）With shell and tube exchanger（8）The expansion valve of connection（7）With Expansion valve（7）The air side heat exchanger of connection（3）, be connected to air side heat exchanger（3）On solar heat exchanger（14）And connection In solar heat exchanger（14）With scroll compressor（1）Air inlet（4）Between gas-liquid separator（9）.

2. a kind of solar air source heat pumps unit according to claim 1, it is characterised in that：The solar heat exchanger （14）Including framework（15）, be arranged on framework（15）Interior heat exchanging evaporator（20）, be arranged on framework（15）Suction on madial wall Thermosphere（5）, be arranged on heat exchanging evaporator（20）Side and heat-sink shell（5）Between vacuum layer（6）And be arranged on heat exchange evaporation Device（8）Opposite side and heat-sink shell（5）Between foaming layer（19）.

3. a kind of solar air source heat pumps unit according to claim 2, it is characterised in that：The heat exchanging evaporator （20）Including spaced refrigerator pipes（22）And air duct（21）, be arranged on refrigerator pipes（22）The refrigerant inlet of one end （17）And it is arranged on refrigerator pipes（22）The refrigerant outlet of the other end（16）.

4. a kind of solar air source heat pumps unit according to claim 3, it is characterised in that：The heat exchanging evaporator （20）Also include and refrigerator pipes（22）And air duct（21）Spaced phase-transition heat-storage pipe（18）.

5. a kind of solar air source heat pumps unit according to claim 4, it is characterised in that：The heat exchanging evaporator （20）Also include and refrigerant inlet（17）The transverse tube of cold-producing medium first for communicating（10）And it is connected to the transverse tube of cold-producing medium first （10）With refrigerator pipes（22）Between the first arm（12）.

6. a kind of solar air source heat pumps unit according to claim 5, it is characterised in that：The heat exchanging evaporator （20）Also include and refrigerant outlet（16）The transverse tube of cold-producing medium second for communicating（11）And it is connected to the transverse tube of cold-producing medium second （11）With refrigerator pipes（22）Between the second arm（13）.

7. a kind of solar air source heat pumps unit according to claim 6, it is characterised in that：The heat-sink shell（5）For Solar energy heat absorbing material.

8. a kind of solar air source heat pumps unit according to claim 7, it is characterised in that：The refrigerator pipes（22）For Inner screw thread copper pipe or hydrophilic aluminium foil corrugated finned tube.

9. a kind of solar air source heat pumps unit according to claim 8, it is characterised in that：The foaming layer（19）For Polyurethane insulation coating.