CN204830575U - Solar energy phase transition wall source heat pump system - Google Patents

Solar energy phase transition wall source heat pump system Download PDF

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Publication number
CN204830575U
CN204830575U CN201520114331.8U CN201520114331U CN204830575U CN 204830575 U CN204830575 U CN 204830575U CN 201520114331 U CN201520114331 U CN 201520114331U CN 204830575 U CN204830575 U CN 204830575U
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China
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phase
heat pump
source
air
solar energy
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Expired - Fee Related
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CN201520114331.8U
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Chinese (zh)
Inventor
段双平
敬成君
唐中华
唐易达
王亮
赵志强
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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Abstract

The utility model discloses a solar energy phase transition wall source heat pump system, include sun wall and heat pump system totally two units. The sun wall wind channel and the roller blind between by glass apron, solar energy absorber plate, phase -change thermal wall, an air regulation valve, the 2nd air regulation valve, glass apron and solar energy absorber plate form, heat pump system comprises compressor, phase transition wall source evaporimeter, wind channel air evaporimeter, throttle parts, indoor air heater, reservoir, reducing expenditure between parts and the phase transition wall source evaporimeter, concatenates wind channel air evaporimeter, phase transition wall source evaporimeter both can with wind channel air evaporimeter associated working, also can the autonomous working. The phase -change thermal wall is composite wall, and the periphery of phase -change thermal wall is load -bearing material and insulation material, and the load -bearing material parcel is in steel column section of thick bamboo outside, and in a steel column section of thick bamboo was arranged in to phase transition wall source evaporimeter, phase change material was filled in the space in the steel column section of thick bamboo. The phase -change thermal wall is stored solar energy transformation for latent heat or sensible heat to guarantee that heat pump system is in night or cloudy day high -efficient work in succession. This system realizes obviously that the high -efficient of low -grade renewable energy - solar energy utilizes, has improved the heat supply efficiency of heat pump to saved the electric energy, application prospect is wide.

Description

A kind of solar energy phase transition wall source heat pump system
Technical field
The present invention relates to heat pump, particularly relate to a kind of solar energy phase transition wall source heat pump system.
Background technology
Air source heat pump heating system is a kind of device air low for outdoor temperature being transferred to indoor, although air source heat pump is installed simple, easy to maintenance, be subject to climatic effect, when winter, outdoor environment temperature was very low, heat and have frost, heating effect is very poor.
The heating ventilation system that Solar wall is made up of jointly the air duct of glass cover-plate, heat collecting and accumulating wall and centre, air-valve and air port.Solar wall utilizes the heat-storing material in heat collecting and accumulating wall by a part of storage of solar energy, another part solar energy is used for directly heating the room air entering air duct from heat collecting and accumulating wall bottom tuyeres, risen to Heat Storing Wall top by the room air heated, flow into from air port, Heat Storing Wall top indoor.There is certain problem in existing Solar wall, as daytime in winter, indoor temperature rise is comparatively slow, and solar thermal utilization efficiency is low in the application; Night in winter, the Heat Storing Wall that temperature is higher can produce larger heat loss to outdoor heat transfer while indoor radiating, add the feature that solar energy intensity presents cyclically-varying and interval, therefore only rely on Solar wall to be difficult to meet indoor thermal comfort requirement to indoor heating.
Summary of the invention
The object of this invention is to provide a kind of low power consumption, solar energy phase transition wall source heat pump system that heating efficiency is high, the detailed construction of solar energy phase transition heat accumulation wall is provided simultaneously.
For achieving the above object, the present invention adopts following technical scheme: described solar energy phase transition wall source heat pump system comprises Solar wall and heat pump two unit, and Solar wall is made up of glass cover-plate, solar absorber plate, phase-transition heat-storage wall, the first volume damper, the second volume damper, air channel between glass cover-plate and solar absorber plate and roller blind; Heat pump is made up of compressor, PCM wallboard source evaporimeter, air channel air evaporator, throttle part, chamber air heater, reservoir, and described first volume damper and the second volume damper are successively set on the ventilating opening place, top and bottom of glass cover-plate; Described roller blind is arranged in air channel, before solar absorber plate; The import of the coolant channel of described PCM wallboard source evaporimeter is connected with the outlet of the coolant channel of air channel air evaporator, and air channel air evaporator import, throttle part, reservoir, chamber air heater, compressor, PCM wallboard source evaporator outlet are connected successively; Described compressor, air channel air evaporator are placed in air channel, and PCM wallboard source evaporimeter is connected in series with air channel air evaporator.
Described phase-transition heat-storage wall is combined wall, the periphery of phase-transition heat-storage wall is load-bearing material and insulation material, load-bearing material is wrapped in outside steel column cylinder, PCM wallboard source evaporimeter is placed in steel column cylinder, fill gaps phase-change material in steel column cylinder, side forms by containing the solar absorber plate of high-absorbility low emissivity coatings, bearing building block layer, steel column bucket, bearing building block layer, heat-insulation layer successively to indoor outdoor.
Described PCM wallboard source evaporimeter is single row or multiple rows copper pipe or stainless steel tube heat exchanger tube, and the overall aluminum fin-stock of pipe overcoat or stainless steel fin, aluminum fin-stock or stainless steel spacing of fin are 1mm to 20mm.
Described phase-change material is phase transition temperature at the inorganic phase-changing material of 10 DEG C ~ 100 DEG C of scopes or organic phase change material.
The solar absorber plate of described phase-transition heat-storage wall is the metallic plate or the surface of wall that scribble high-absorbility low emissivity coatings.Described glass cover-plate adopts high saturating low anti-glass.The working media that described phase-transition heat-storage wall source-air source heat pump adopts is cold-producing medium R22, R134a, R1234yf, R152a or R290.
The present invention adopts following technical scheme: the PCM wallboard source evaporimeter in described solar energy phase transition wall source heat pump system both can with air channel air evaporator associated working, also can work alone, when outside air temperature lower than 16 DEG C and phase-transition heat-storage wall temperature higher than 20 DEG C time, first volume damper and the second volume damper are in closed condition, air channel air evaporator does not work, by compressor, PCM wallboard source evaporimeter, throttle part, chamber air heater, the solar energy phase transition wall source heat pump heat distribution system work that reservoir forms, solar radiation is through the glass cover-plate in Solar wall, absorbed by solar absorber plate, its heat absorbed to be stored along the transmission of phase-transition heat-storage wall by phase-transition heat-storage wall, only needing is worked alone by PCM wallboard source evaporimeter provides heat to regulate indoor air temperature, when outside air temperature lower than 16 DEG C and phase-transition heat-storage wall temperature not higher than outside air temperature or phase-transition heat-storage wall temperature higher than outside air temperature but when being no more than 20 DEG C, first volume damper and the second volume damper are in open mode, outdoor air enters air channel from glass cover-plate bottom tuyeres, flow out from air port, glass cover-plate top with after the refrigerant heat exchanger in the air evaporator of air channel, by compressor, air channel air evaporator, PCM wallboard source evaporimeter, throttle part, chamber air heater, double source (air-source and sun PCM wallboard source) the heat pump heat distribution system work that reservoir forms, reach in the solar energy supply chamber that absorption chamber outer air energy and phase-transition heat-storage wall store and regulate indoor air temperature object.When outside air temperature is higher than 28 DEG C, the first volume damper and the second volume damper are in closed condition, and prevent solar absorber plate absorption through the solar radiation of glass cover-plate by arranging roller blind, solar energy phase transition wall source heat pump system does not work.
The invention has the advantages that the solar energy that utilizes phase-transition heat-storage wall to store one of them thermal source as heat pump, when phase-transition heat-storage wall temperature is higher, the heating load of heat pump when PCM wallboard source evaporimeter works alone can meet indoor when requiring, air channel air evaporator does not work, and at this moment heat pump is single source (phase-transition heat-storage wall) heat pump; When phase-transition heat-storage wall temperature is lower, the heating load of heat pump when PCM wallboard source evaporimeter works alone does not meet indoor thermal comfort when requiring, air channel air evaporator is started working, at this moment heat pump is double source (air-source and sun PCM wallboard source) heat pump, this system obviously realizes the efficiency utilization of low-grade regenerative resource-solar energy, improve the heating efficiency of heat pump, and save electric energy, have a extensive future.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the embodiment of heat pump of the present invention.Fig. 2 ~ 5 are structural representations of phase-transition heat-storage wall.Wherein Fig. 3 is A-A profile, and Fig. 4 is B-B profile, and Fig. 5 is C-C profile.
Detailed description of the invention
As shown in Figure 1, a kind of solar energy phase transition wall source heat pump system of the present invention, comprises Solar wall and heat pump totally two unit.Arrow in Fig. 1 to represent between system components connect ducted working media and flow to.The working media that described solar energy phase transition wall source heat pump system adopts is HFC or the HC class cold-producing mediums such as R22, R134a, R1234yf, R152a, R290.
Described solar energy phase transition wall source heat pump system comprises Solar wall and heat pump two unit, and Solar wall is made up of glass cover-plate (1), solar absorber plate (2), phase-transition heat-storage wall (3), the first volume damper (4a), the second volume damper (4b), air channel (11) between glass cover-plate (1) and solar absorber plate (2) and roller blind (12); Heat pump is made up of compressor (5), PCM wallboard source evaporimeter (6), air channel air evaporator (7), chamber air heater (8), throttle part (9), reservoir (10); Described first volume damper (4a) and the second volume damper (4b) are successively set on the ventilating opening place, top and bottom of glass cover-plate (1); Described roller blind (12) is arranged in air channel (11), and solar absorber plate (2) is front; The import of the coolant channel of described PCM wallboard source evaporimeter (6) is connected with the outlet of the coolant channel of air channel air evaporator (7), and air channel air evaporator (7) import, throttle part (9), reservoir (10), chamber air heater (8), compressor (5), PCM wallboard source evaporimeter (6) outlet are connected successively; Described PCM wallboard source evaporimeter (6) is single row or multiple rows copper pipe or stainless steel tube heat exchanger tube, the overall aluminum fin-stock of pipe overcoat or stainless steel fin, and aluminum fin-stock or stainless steel spacing of fin are 1mm to 20mm, and phase-change material is tamped around in PCM wallboard source evaporimeter (6); Described compressor (5), air channel air evaporator (7) are placed in air channel (11), and PCM wallboard source evaporimeter (6) is connected in series with air channel air evaporator (7).
Chamber air heater (8) is responsible for room heat supply, is air-cooled heat exchanger; Air channel air evaporator (7) is air-cooled heat exchanger; PCM wallboard source evaporimeter (8) is wall cold type heat exchanger.Throttle part (9) can select capillary, heating power expansion valve or electric expansion valve conventional in prior art.
Air channel air evaporator (7) in heat pump of the present invention is not enough for the amount of stored heat of phase-transition heat-storage wall (3), only be difficult to meet when indoor thermal comfort requires by PCM wallboard source evaporimeter (6) work and use, certainly air channel air evaporator (7) also can not be set in other embodiments of the invention, and such embodiment is set as only use having under sunlight conditions, also can realize energy-saving and cost-reducing object to a certain extent.
Solar absorber plate (2) in the present invention sticks on phase-transition heat-storage wall (3) for the metallic plate scribbling high-absorbility low emissivity coatings, or directly scribbles the coating of high-absorbility low-launch-rate at the outer surface of phase-transition heat-storage wall (3).Described glass cover-plate (1) adopts high saturating low anti-glass.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, phase-transition heat-storage wall (3) is combined wall, the periphery of phase-transition heat-storage wall (3) is load-bearing material and insulation material, load-bearing material is wrapped in steel column cylinder (3b) outside, PCM wallboard source evaporimeter (6) is placed in steel column cylinder (3b), fill gaps phase-change material in steel column cylinder (3b), side forms by containing the solar absorber plate (2) of high-absorbility low emissivity coatings, bearing building block layer (3a), steel column bucket (3b), bearing building block layer (3a), heat-insulation layer (3c) successively to indoor outdoor.Phase-change material (3d) in steel column bucket (3b) is for phase transition temperature is at the inorganic phase-changing material of 10 DEG C ~ 100 DEG C of scopes or organic phase change material, and inorganic phase-changing material is NaSO 410H 2o, NaCO310H 2o, NAHPO 412H 2o, CH 3cOONa3H 2the combined phase-change heat-storing material of the inorganic crystal hydration salts such as O or two or more components containing them; Organic phase change material is paraffin saturated hydrocarbon, capric acid (C 10h 20o 2), laurate (C 12h 24o 2), tetradecanoic acid (C 14h 28o 2), palmitic acid (C 16h 32o 2),stearic acid (C 18h 36o 2), the pure organic matter such as neopentyl glycol (NPG) or two or more mix the organic phase-change heat-storing material formed by them.When sunny, solar radiation is through glass cover-plate (1), absorbed by solar absorber plate (2), its heat absorbed transmits along phase-transition heat-storage wall (3), and in transmittance process, phase-change material (3d) temperature in phase-transition heat-storage layer (3b) raises, when its temperature reaches its phase transition temperature, phase-change material becomes liquid state from solid-state, thus is got up by heat storage, completes the heat-accumulating process of phase-transition heat-storage wall (3).When sunlight is inadequate or without sunlight night and cloudy day time, solar energy phase transition wall source heat pump system works, PCM wallboard source evaporimeter (6) absorbs the heat that phase-transition heat-storage wall (3) stores, refrigerant liquid in PCM wallboard source evaporimeter (6) absorbs the heat that phase-transition heat-storage wall (3) stores, become refrigerant vapour then to enter compressor and become high pressure high temperature vapor, enter chamber air heater (7) again, its heat is passed to room air, meanwhile, the temperature of phase-change material reduces, when reaching its phase transition temperature, phase-change material is become solid-state from liquid state, thus by thermal release out, complete the exothermic process of phase-transition heat-storage wall (3).
PCM wallboard source evaporimeter (6) in solar energy phase transition wall source heat pump system embodiment of the present invention both can with air channel air evaporator (7) associated working, also can work alone, when outside air temperature lower than 16 DEG C and phase-transition heat-storage wall (3) temperature higher than 20 DEG C, first volume damper (4a) and the second volume damper (4b) are in closed condition, air channel air evaporator (7) does not work, by compressor (5), PCM wallboard source evaporimeter (6), chamber air heater (8), throttle part (9), the sun PCM wallboard source heat pump system work that reservoir (10) forms, solar radiation is through the glass cover-plate (1) in Solar wall, absorbed by solar absorber plate (2), its heat absorbed transmits along phase-transition heat-storage wall (3) and is stored by phase-transition heat-storage wall (3), only needing is worked alone by PCM wallboard source evaporimeter (6) provides heat to regulate indoor air temperature, when outside air temperature lower than 16 DEG C and phase-transition heat-storage wall (3) temperature not higher than outside air temperature or phase-transition heat-storage wall (3) temperature higher than outside air temperature but when being no more than 20 DEG C, first volume damper (4a) and the second volume damper (4b) are in open mode, outdoor air enters air channel (11) from glass cover-plate (1) bottom tuyeres, flow out from glass cover-plate (1) air port, top with after the refrigerant heat exchanger in air channel air evaporator (7), by compressor (5), PCM wallboard source evaporimeter (6), air channel air evaporator (7), chamber air heater (8), throttle part (9), double source (air-source and sun PCM wallboard source) the heat pump work that reservoir (10) forms, reach in the solar energy supply chamber that absorption chamber outer air energy and phase-transition heat-storage wall (3) store and regulate indoor air temperature object, now PCM wallboard source evaporimeter (6) and air channel air evaporator (7) associated working.When outside air temperature is higher than 28 DEG C, first volume damper (4a) and the second volume damper (4b) are in closed condition, prevent solar absorber plate (2) absorption through the solar radiation of glass cover-plate (1) by arranging roller blind (12), sun PCM wallboard source heat pump system does not work.

Claims (5)

1. a solar energy phase transition wall source heat pump system, it is characterized in that: described solar energy phase transition wall source heat pump system comprises Solar wall and heat pump two unit, Solar wall is made up of glass cover-plate, solar absorber plate, phase-transition heat-storage wall, the first volume damper, the second volume damper, air channel between glass cover-plate and solar absorber plate and roller blind; Heat pump is made up of compressor, PCM wallboard source evaporimeter, air channel air evaporator, throttle part, chamber air heater, reservoir; Described first volume damper and the second volume damper are successively set on the ventilating opening place, top and bottom of glass cover-plate; Described roller blind is arranged in air channel, before solar absorber plate; The import of the coolant channel of described PCM wallboard source evaporimeter is connected with the outlet of the coolant channel of air channel air evaporator, and air channel air evaporator import, throttle part, reservoir, chamber air heater, compressor, PCM wallboard source evaporator outlet are connected successively; Described compressor, air channel air evaporator are placed in air channel, and PCM wallboard source evaporimeter is connected in series with air channel air evaporator.
2. a kind of solar energy phase transition wall source heat pump system according to claim 1, it is characterized in that: described phase-transition heat-storage wall is combined wall, the periphery of phase-transition heat-storage wall is load-bearing material and insulation material, load-bearing material is wrapped in outside steel column cylinder, PCM wallboard source evaporimeter is placed in steel column cylinder, fill gaps phase-change material in steel column cylinder, side forms by containing the solar absorber plate of high-absorbility low emissivity coatings, bearing building block layer, steel column bucket, bearing building block layer, heat-insulation layer successively to indoor outdoor; Described PCM wallboard source evaporimeter is single row or multiple rows copper pipe or stainless steel tube heat exchanger tube, the overall aluminum fin-stock of pipe overcoat or stainless steel fin, and aluminum fin-stock or stainless steel spacing of fin are 1mm to 20mm; Described phase-change material is phase transition temperature at the inorganic phase-changing material of 10 DEG C ~ 100 DEG C of scopes or organic phase change material.
3. a kind of solar energy phase transition wall source heat pump system according to claim 1 and 2, is characterized in that: the solar absorber plate of described phase-transition heat-storage wall is the metallic plate or the surface of wall that scribble high-absorbility low emissivity coatings.
4. a kind of solar energy phase transition wall source heat pump system according to claim 1 and 2, is characterized in that: described glass cover-plate adopts high saturating low anti-glass.
5. a kind of solar energy phase transition wall source heat pump system according to claim 1 and 2, is characterized in that: the working media that described solar energy phase transition wall source heat pump system adopts is cold-producing medium R22, R134a, R1234yf, R152a or R290.
CN201520114331.8U 2015-02-18 2015-02-18 Solar energy phase transition wall source heat pump system Expired - Fee Related CN204830575U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879831A (en) * 2015-02-18 2015-09-02 西南科技大学 Solar phase-change wall heat pump heat supply system
CN105780943A (en) * 2016-03-07 2016-07-20 江西理工大学 Multi-story building radiation heat exchanging air conditioner wall body
CN108224619A (en) * 2016-12-15 2018-06-29 中建五局装饰幕墙有限公司 A kind of cold and heat supply glass curtain wall cavity system based on accumulation of energy
CN111156738A (en) * 2020-03-18 2020-05-15 山东齐昊新能源科技有限公司 Air source heat pump based on energy-saving and environment-friendly concept
CN112880074A (en) * 2021-01-11 2021-06-01 湖南大学 Active cooling and solar hybrid ventilation and photovoltaic coupling integrated system based on phase change energy storage and intelligent control

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879831A (en) * 2015-02-18 2015-09-02 西南科技大学 Solar phase-change wall heat pump heat supply system
CN104879831B (en) * 2015-02-18 2018-05-29 西南科技大学 A kind of solar energy phase transition wall heat pump heat distribution system
CN105780943A (en) * 2016-03-07 2016-07-20 江西理工大学 Multi-story building radiation heat exchanging air conditioner wall body
CN105780943B (en) * 2016-03-07 2018-03-23 江西理工大学 A kind of tier building radiation heat transfer wall for air condition
CN108224619A (en) * 2016-12-15 2018-06-29 中建五局装饰幕墙有限公司 A kind of cold and heat supply glass curtain wall cavity system based on accumulation of energy
CN111156738A (en) * 2020-03-18 2020-05-15 山东齐昊新能源科技有限公司 Air source heat pump based on energy-saving and environment-friendly concept
CN111156738B (en) * 2020-03-18 2021-04-27 山东齐昊新能源科技有限公司 Air source heat pump based on energy-saving and environment-friendly concept
CN112880074A (en) * 2021-01-11 2021-06-01 湖南大学 Active cooling and solar hybrid ventilation and photovoltaic coupling integrated system based on phase change energy storage and intelligent control
CN112880074B (en) * 2021-01-11 2022-03-15 湖南大学 Active cooling and solar hybrid ventilation and photovoltaic coupling integrated system based on phase change energy storage and intelligent control

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Granted publication date: 20151202

Termination date: 20180218