CN114482597B - Old house reconstruction system - Google Patents

Old house reconstruction system Download PDF

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Publication number
CN114482597B
CN114482597B CN202210017905.4A CN202210017905A CN114482597B CN 114482597 B CN114482597 B CN 114482597B CN 202210017905 A CN202210017905 A CN 202210017905A CN 114482597 B CN114482597 B CN 114482597B
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China
Prior art keywords
heat exchange
wall body
temperature
air
pipeline
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CN202210017905.4A
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Chinese (zh)
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CN114482597A (en
Inventor
杨晓凡
商爱林
叶磊
戚言冰
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Wuxi Taihu Xincheng Development Group Co ltd
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Wuxi Taihu Xincheng Development Group Co ltd
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Priority to CN202210017905.4A priority Critical patent/CN114482597B/en
Publication of CN114482597A publication Critical patent/CN114482597A/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0266—Enlarging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/02—Arrangement of mountings or supports for radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal

Abstract

The invention provides an old house reconstruction system which is applied to reconstruction of an existing building, wherein the old house reconstruction system comprises a photovoltaic power generation device, an inner wall body and a heat exchange device, and the photovoltaic power generation device is arranged on a roof of the existing building; the inner wall body is arranged on the inner side of a base layer wall body of the existing building and is arranged at intervals with the base layer wall body so as to form an air channel in a surrounding mode with the base layer wall body, and the air channel is provided with an air inlet formed in the base layer wall body and an air outlet formed in the inner wall body; the heat exchange device comprises a cold source, a heat exchange pipeline and a heater, the heat exchange pipeline is arranged in the air duct, the inlet and the outlet of the heat exchange pipeline are communicated with the cold source, and the heater is arranged on the heat exchange pipeline and is electrically connected with the photovoltaic power generation device and used for heating the refrigerant in the heat exchange pipeline. According to the technical scheme, energy saving transformation of the existing building can be achieved.

Description

Old house reconstruction system
Technical Field
The invention relates to the technical field of buildings, in particular to an old house reconstruction system.
Background
The energy saving of the building is an important energy saving field, namely the main problem of the building is that the building has poor heat preservation, heating is needed in winter, air conditioning is needed to be used for refrigeration continuously in summer, and a great amount of energy is wasted. Therefore, the existing building with high energy consumption is changed into the passive ultra-low energy consumption green building, and the method is one of the main directions of energy conservation in the future.
Disclosure of Invention
The invention mainly aims to provide an old house reconstruction system which aims to realize energy-saving reconstruction of the existing building.
In order to achieve the above object, the present invention provides an old house rebuilding system applied to rebuilding an existing building, the old house rebuilding system comprising:
the photovoltaic power generation device is arranged on the roof of the existing building;
the inner wall body is arranged on the inner side of the base layer wall body of the existing building and is arranged at intervals with the base layer wall body so as to form an air duct in a surrounding mode with the base layer wall body, and the air duct is provided with an air inlet formed in the base layer wall body and an air outlet formed in the inner wall body; and
the heat exchange device comprises a cold source, a heat exchange pipeline and a heater, wherein the heat exchange pipeline is arranged in the air duct, an inlet and an outlet of the heat exchange pipeline are communicated with the cold source, and the heater is arranged on the heat exchange pipeline and is electrically connected with the photovoltaic power generation device and is used for heating a refrigerant in the heat exchange pipeline.
Optionally, the air inlet and the air outlet are arranged at intervals along the height direction of the existing building;
and/or the air outlets are arranged in a plurality, and the air outlets are arranged at intervals along the width direction of the inner wall body.
Optionally, the old house reconstruction system further comprises a temperature adjusting pipeline, the temperature adjusting pipeline is arranged below the floor of the existing building, the cold source is provided with a liquid outlet, a first liquid return port and a second liquid return port, the liquid outlet is communicated with the inlet of the heat exchange pipeline, the outlet of the temperature adjusting pipeline is communicated with the first liquid return port, and the outlet of the heat exchange pipeline, the inlet of the temperature adjusting pipeline and the second liquid return port are communicated through a three-way valve so as to respectively enable the outlet of the heat exchange pipeline to be communicated with the second liquid return port or the inlet of the temperature adjusting pipeline.
Optionally, a heat-conducting plate is paved between the temperature-regulating pipeline and the floor;
and/or the temperature regulating pipeline is coiled and arranged below the floor.
Optionally, the heat exchange pipeline is coiled and arranged in the air duct.
Optionally, the reservoir of the cold source is buried in the stratum;
and/or the circulating water pump of the cold source is electrically connected with the photovoltaic power generation device.
Optionally, the inner wall body is a phase-change wall body, and the phase-change temperature of the phase-change wall body is 20-26 ℃.
Optionally, a heat insulation layer is arranged on one side of the phase change wall body facing the base layer wall body.
Optionally, the old house-changing system further includes a temperature sensor electrically connected with the heater to detect an indoor temperature;
and/or the old house reconstruction system further comprises a blowing device which is arranged at the air inlet and is electrically connected with the photovoltaic power generation device
Optionally, the photovoltaic power generation device comprises a plurality of groups of solar photovoltaic panels and storage batteries, wherein the plurality of groups of solar photovoltaic panels are paved on the roof and are electrically connected with the storage batteries, and the heater is electrically connected with the storage batteries.
According to the technical scheme, when the existing building is modified, the inner wall body is arranged on the inner side of the base layer wall body of the existing building, the inner wall body and the base layer wall body are arranged at intervals to form an air duct which is communicated with the indoor space and the outdoor space, meanwhile, the heat exchange device is arranged in the existing building, a heat exchange pipeline of the heat exchange device is arranged in the air duct, and a heater is arranged to heat a refrigerant in the heat exchange pipeline. The arrangement is that the external air flow can enter the room through the air duct, and when the indoor temperature is higher, the refrigerant circulating in the heat exchange pipeline absorbs the heat of the air flow, so that the temperature of the air flow flowing into the room is lower, and the indoor temperature is reduced; when the indoor temperature is low, the heater is started to heat the refrigerant, and the external air flow is heated when passing through the heat exchange pipeline so as to blow warm air into the indoor, so that the indoor temperature is increased; and the heater is powered by the photovoltaic power generation device, so that the indoor cooling and heating requirements can be met by utilizing solar energy, the energy consumption is reduced, and the energy saving purpose is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of one embodiment of an old house retrofit system of the present invention;
fig. 2 is a sectional view of the old house-changing system of the present invention.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
100 Old house reconstruction system 411 Liquid outlet
10 Existing building 412 First liquid return port
11 Base layer wall 413 Second liquid return port
111 Air inlet 42 Heat exchange pipeline
12 Air duct 43 Heater
20 Photovoltaic power generation device 44 Temperature regulating pipeline
30 Inner wall 45 Three-way valve
31 Air outlet 50 Heat conducting plate
40 Heat exchanging device 60 Heat insulation layer
41 Cold source 70 Blower device
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiment of the present invention, all directions applied to the modification instructions (such as up, down, left, right, front, and rear … …) of the existing building are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directions are correspondingly changed.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention proposes an old house-changing system 100.
Referring to fig. 1, in some embodiments of the old house-changing system 100 of the present invention, the old house-changing system 100 includes:
a photovoltaic power generation device 20, wherein the photovoltaic power generation device 20 is arranged on the roof of the existing building 10;
the inner wall body 30 is arranged on the inner side of the base layer wall body 11 of the existing building 10 and is arranged at intervals with the base layer wall body 11 so as to form an air duct 12 by surrounding the base layer wall body 11, and the air duct 12 is provided with an air inlet 111 formed in the base layer wall body 11 and an air outlet 31 formed in the inner wall body 30; and
the heat exchange device 40, the heat exchange device 40 includes a cold source 41, a heat exchange pipeline 42 and a heater 43, the heat exchange pipeline 42 is disposed in the air duct 12, an inlet and an outlet of the heat exchange pipeline 42 are both communicated with the cold source 41, and the heater 43 is disposed on the heat exchange pipeline 42 and electrically connected with the photovoltaic power generation device 20, and is used for heating the refrigerant in the heat exchange pipeline 42.
The old house retrofit system 100 of the present application is a green building with reduced energy consumption formed by retrofitting an on-site house. Specifically, when rebuilding, an inner wall body 30 is arranged on the inner side of a base layer wall body 11 of the existing house, an air channel 12 is formed by arranging the inner wall body 30 and the base layer wall body 11 at intervals, an air inlet 111 which is communicated with the outside and the air channel 12 is formed in the base layer wall body 11, and an air outlet 31 which is communicated with the inside and the air channel 12 is formed in the inner wall body 30, so that the outside air flow can enter the inside through the air channel 12. Further, the old house reconstruction system 100 of the present application further includes a heat exchange device 40, the heat exchange device 40 includes a cold source 41 circulation system formed by a cold source 41 and a heat exchange pipeline 42, the heat exchange pipeline 42 is disposed in the air duct 12, the cold source 41 provides a refrigerant and causes the refrigerant to circulate between the heat exchange pipeline 42 and the cold source 41, and meanwhile, a heater 43 is disposed on the heat exchange pipeline 42 for heating the refrigerant in the heat exchange pipeline 42. When the indoor temperature is high, for example Xia Tianshi, the heater 43 is not started, and outdoor air flows through the air duct 12 and contacts with the heat exchange pipeline in the air duct 12 to exchange heat so as to reduce the air flow temperature, so that the air flow temperature flowing into the indoor is low, and the indoor is cooled; when the indoor temperature is low, the heater 43 is started to heat the refrigerant, at this time, the outdoor air flow is heated by the air duct 12 to absorb the heat of the refrigerant, and warm air is blown into the indoor, so that the indoor temperature is increased, and thus, the indoor temperature can be adjusted in different climates and time periods. Further, the photovoltaic power generation device 20 is arranged on the roof of the existing building 10, so that the heater 43 is electrically connected with the photovoltaic power generation device 20, solar energy is converted into electric energy through the photovoltaic power generation device 20 for the heater 43 to use, and green energy is fully utilized, so that the energy-saving purpose is achieved.
Therefore, it can be understood that, in the technical scheme of the present invention, when the existing building 10 is modified, the inner wall body 30 is arranged on the inner side of the base layer wall body 11 of the existing building 10, the inner wall body 30 and the base layer wall body 11 are arranged at intervals to form the air duct 12 which communicates indoor and outdoor, meanwhile, the heat exchange device 40 is arranged in the existing building 10, the heat exchange pipeline 42 of the heat exchange device 40 is arranged in the air duct 12, and the heater 43 is arranged to heat the refrigerant in the heat exchange pipeline 42. So arranged, the external air flow can enter the room through the air duct 12, and when the indoor temperature is higher, the refrigerant circulating in the heat exchange pipeline 42 absorbs the heat of the air flow, so that the temperature of the air flow flowing into the room is lower, and the indoor temperature is reduced; when the indoor temperature is low, the heater 43 is started to heat the refrigerant, and the external air flow is heated when passing through the heat exchange pipeline 42 to blow warm air into the indoor, so that the indoor temperature is increased; and the heater 43 is powered by the photovoltaic power generation device 20, so that the indoor cooling and heating requirements can be met by utilizing solar energy, the energy consumption is reduced, and the energy saving purpose is realized.
Referring to fig. 1 and 2, in some embodiments of the old house-changing system 100 of the present invention, the air inlet 111 and the air outlet 31 are disposed at intervals along the height direction of the existing building 10;
and/or, the air outlets 31 are provided with a plurality of air outlets 31, and the plurality of air outlets 31 are arranged at intervals along the width direction of the inner wall 30.
In the technical solution of the foregoing embodiment, the existing building 10 is modified by the old house modification system 100 to have the air duct 12 structure, and the heat exchange device 40 is disposed in the air duct 12 to adjust the indoor temperature. In this embodiment, the air inlet 111 and the air outlet 31 are disposed at intervals along the height direction of the existing building 10, so that the air flow cannot be fully contacted with the heat exchange pipeline for heat exchange due to too close interval between the air inlet 111 and the air outlet 31 can be avoided, and therefore heat exchange efficiency is guaranteed to fully achieve the purpose of adjusting room temperature. In some embodiments, the air outlets 31 are provided with a plurality of air outlets 31, and the plurality of air outlets 31 are arranged at intervals along the width direction of the inner wall 30, so that the plurality of air outlets 31 are arranged along the circumferential direction of the house, and the air subjected to heat exchange is blown into the room in all directions, so that the indoor temperature is balanced.
Referring to fig. 1 and 2, in some embodiments of the old room rebuilding system 100 of the present invention, the old room rebuilding system 100 further includes a temperature adjusting pipeline 44, the temperature adjusting pipeline 44 is disposed under the floor of the existing building 10, the cold source 41 has a liquid outlet 411, a first liquid return port 412 and a second liquid return port 413, the liquid outlet 411 is communicated with the inlet of the heat exchanging pipeline 42, the outlet of the temperature adjusting pipeline 44 is communicated with the first liquid return port 412, and the outlet of the heat exchanging pipeline 42, the inlet of the temperature adjusting pipeline 44 and the second liquid return port 413 are communicated through a three-way valve 45, so as to respectively communicate the outlet of the heat exchanging pipeline 42 with the inlet of the second liquid return port 413 or the inlet of the temperature adjusting pipeline 44.
In the technical solution of the foregoing embodiment, the existing building 10 is modified by the old house modification system 100 to have the air duct 12 structure, and the heat exchange device 40 is disposed in the air duct 12 to adjust the indoor temperature. In this embodiment, a temperature-adjusting pipeline 44 is buried under the floor of the existing building 10, and the cold source 41 is provided with a liquid outlet 411, a first liquid return port 412 and a second liquid return port 413, the outlet of the temperature-adjusting pipeline 44 is communicated with the first liquid return port 412, the outlet of the heat exchange pipeline 42, the inlet of the temperature-adjusting pipeline 44 and the second liquid return port 413 are communicated through a three-way valve 45, so that the outlet of the heat exchange pipeline 42 is respectively communicated with the second liquid return port 413 or the inlet of the temperature-adjusting pipeline 44; so set up, when indoor temperature is higher and need cool down indoor, adjust three-way valve 45 and make the export of heat transfer pipeline 42 directly communicate with second return liquid mouth 413, alright realize the effect of adjusting the temperature in the above-mentioned embodiment, do not make in this and do not give in detail, and the cold liquid can not flow to the pipeline 44 that adjusts the temperature of floor below simultaneously, can avoid absorbing the thermal cold liquid of air current in wind channel 12 and pass back indoor heat through the floor. When the indoor temperature is low and the indoor temperature needs to be raised, the three-way valve 45 is regulated to enable the outlet of the heat exchange pipeline 42 to be communicated with the inlet of the temperature regulating pipeline 44, at the moment, cold liquid is circulated through the liquid outlet 411, the heat exchange pipeline 42, the temperature regulating pipeline 44 and the second liquid return port 413 in sequence, and the heater 43 is started to heat the cold liquid in the heat exchange pipeline 42, so that on one hand, warm air can be blown into the room; on the other hand, the temperature adjusting pipeline 44 plays a role of floor heating, and can avoid the phenomenon of head heating and foot cooling so as to comprehensively heat the room.
Referring to fig. 2, in some embodiments of the old house retrofit system 100 of the present invention, a heat conducting plate 50 is disposed between the temperature regulating pipe 44 and the floor.
In the technical solution of the foregoing embodiment, the existing building 10 is modified by the old house modification system 100, and the temperature adjustment pipe 44 is buried under the floor to be used as floor heating when the indoor temperature is low. In this embodiment, a heat conducting plate 50 is laid between the temperature adjusting pipeline 44 and the bottom plate, so as to improve the heat transfer efficiency to the room, reduce the dissipation of heat to the underground, reduce the energy loss, enable the heat to be fully transferred to the room to raise the temperature of the room, and improve the user experience.
With further reference to fig. 1, in some embodiments, the tempering line 44 is coiled below the floor.
By the arrangement, the arrangement area of the temperature regulating pipeline 44 under the floor is increased, and the indoor can be heated to a large extent; meanwhile, the flow path of the refrigerant under the floor is prolonged, the flow time of the refrigerant under the floor is prolonged, the heat carried by the refrigerant is fully transferred to the room, and the energy utilization efficiency is improved.
Referring to fig. 1, in some embodiments of the old house retrofit system 100 of the present invention, the heat exchange tube 42 is coiled inside the air duct 12.
In the solution of the foregoing embodiment, the existing building 10 is modified by the old house modification system 100 to have the air duct 12 structure, and the heat exchange pipeline 42 is provided in the air duct 12 to adjust the indoor temperature. In this embodiment, the heat exchange pipeline 42 is coiled to increase the laying area of the heat exchange pipeline 42 in the air duct 12, so that the air flow can fully contact with the heat exchange pipeline 42, thereby achieving the purpose of heat exchange, ensuring that the air flow fully dissipates heat or absorbs heat, and improving the indoor temperature regulation efficiency.
Referring to fig. 1, in some embodiments of the old house-changing system 100 of the present invention, the reservoir of the cold source 41 is buried in the stratum; and/or, the circulating water pump of the cold source 41 is electrically connected with the photovoltaic power generation device 20.
According to the technical scheme, the existing building 10 is modified through the old house modification system 100, so that the existing building 10 is provided with an air duct 12 structure, and the heat exchange device 40 comprises a refrigerant circulation system composed of a cold source 41 and a heat exchange pipeline 42, so that the air flow in the air duct 12 is subjected to heat exchange, and the indoor temperature is adjusted. In the embodiment, water is adopted as a refrigerant, so that the environment is protected and pollution to the environment is avoided; the reservoir for storing water is buried in the stratum, water can be injected into the reservoir from the outside, and the reservoir can be directly supplemented by using the underground water, so that the reservoir is buried in the stratum, the condition that the reservoir is exposed to the outside and the temperature rises under long-term sunlight can be avoided, and the refrigerant effect cannot be achieved; and the occupied space is reduced, and the occupied space of the bottom surface is avoided. In some embodiments, the circulating water pump of the cold source 41 is electrically connected with the photovoltaic power generation device 20, the circulating water pump provides power to drive the refrigerant to circulate between the heat exchange pipeline 42 and the water reservoir, the photovoltaic power generation device 20 is used for providing electric energy for the circulating water pump, the green energy is fully utilized, and the energy saving purpose is achieved
In some embodiments of the old house-changing system 100 of the present invention, the inner wall 30 is a phase-change wall having a phase-change temperature of 20 ℃ to 26 ℃.
According to the technical scheme, through reforming the existing building 10, the inner wall body 30 is arranged on the inner side of the base layer wall body 11 of the existing building 10 so as to enclose the base layer wall body 11 to form the air duct 12, so that external air flow enters a room, and indoor air and temperature are regulated. In this embodiment, the inner wall 30 is a phase-change wall, which is mostly formed by mixing and pressing phase-change materials and gypsum boards, and when the external temperature reaches the phase-change temperature of the phase-change materials, the phase-change materials can be switched between the two phases to absorb or release energy, and common phase-change materials such as ethanol, water or paraffin. The phase-change temperature of the phase-change wall body is defined to be 20-26 ℃, at this time, when the indoor temperature is too high to reach the phase-change temperature, the phase-change wall body absorbs indoor heat in a phase-change mode to cool the indoor, the indoor cooling efficiency is improved, the indoor wall body 30 and the indoor temperature are kept at a comfortable temperature, and the user experience is improved.
Referring to fig. 2, in some embodiments of the old house-changing system 100 of the present invention, a heat insulation layer 60 is disposed on a side of the phase-change wall facing the base wall 11.
In the technical solution of the foregoing embodiment, by modifying the existing building 10, setting the phase change wall on the inner side of the base layer wall 11 of the existing building 10 to form the air duct 12 by enclosing with the base layer wall 11, and setting the heat exchange pipeline 42 in the air duct 12, the external air flow can enter the room after exchanging heat in the air duct 12 via the air duct 12, and the indoor air and temperature can be adjusted. In this embodiment, a heat insulation layer 60 is disposed on a side of the phase-change wall facing the base layer wall 11, so as to avoid the influence on the indoor cooling efficiency caused by the phase-change wall absorbing heat carried by the air flow in the air duct 12 when the indoor temperature is high and the environment is hot.
In some embodiments of the old house-changing system 100 of the present invention, the old house-changing system 100 further includes a temperature sensor electrically connected to the heater 43 to detect the indoor temperature.
In the technical solution of the foregoing embodiment, by modifying the existing building 10, setting the inner wall 30 inside the base wall 11 of the existing building 10 to form the air duct 12 by enclosing with the base wall 11, and setting the heat exchange pipeline 42 in the air duct 12, the external air flow can enter the room after exchanging heat in the air duct 12 via the air duct 12, and the indoor air and temperature can be adjusted. In this embodiment, when the existing building 10 is modified, a temperature sensor is disposed in the room and electrically connected to the heater 43, so that the temperature can be adjusted by the temperature sensor, when the temperature sensor senses that the indoor temperature is lower, the heater 43 can be automatically turned on to heat the room, when the temperature sensor senses that the indoor temperature is higher, the heater 43 is turned off to avoid continuous heating of the room, and the intelligent degree of the passive house is improved.
Referring to fig. 1 and 2, in some embodiments of the old house-changing system 100 of the present invention, the old house-changing system 100 further includes a blower device 70, where the blower device 70 is disposed at the air inlet 111 and is electrically connected to the photovoltaic power generation device 20.
According to the technical scheme, through reforming the existing building 10, the inner wall body 30 is arranged on the inner side of the base layer wall body 11 of the existing building 10 so as to enclose the base layer wall body 11 to form the air channel 12, and the heat exchange pipeline 42 is arranged in the air channel 12, so that external air flow enters a room after heat exchange of the air channel 12 through the air channel 12, and indoor air and temperature are regulated. It will be appreciated that after the air duct 12 is formed, the air blowing device 70 is required to be arranged to drive air flow from the outside into the room through the air duct 12, in this embodiment, the air blowing device 70 is electrically connected with the photovoltaic power generation device 20, and the photovoltaic power generation device 20 is adopted to provide electric energy for the circulating water pump to use, so that green energy is fully utilized, and the purpose of energy saving is achieved.
In some embodiments of the old house retrofit system 100 of the present invention, the photovoltaic power generation device 20 includes a plurality of sets of solar photovoltaic panels and a storage battery, the plurality of sets of solar photovoltaic panels are laid on the roof and are each electrically connected to the storage battery, and the heater 43 is electrically connected to the storage battery.
According to the technical scheme, the photovoltaic power generation device 20 is arranged to supply power for the heater 43, the air blowing device 70, the circulating water pump and the like, green energy is fully utilized, and the purpose of energy conservation is achieved. In this embodiment, the photovoltaic power generation device 20 includes a plurality of groups of solar photovoltaic panels and a storage battery, and the plurality of groups of solar photovoltaic panels are electrically connected with the storage battery for converting solar energy into electric energy to charge the storage battery, and at this time, the heater 43, the blower device 70 and the circulating water pump are electrically connected with the storage battery and are powered by the storage battery. So set up, can avoid because the uneven electric energy that leads to the production unstable and make each consumer unable steady operation's problem of light intensity, and store the electric energy through the battery, can remain the electric energy at night or cloudy day and use when not having illumination or illumination weaker, guarantee the stability in use of passive house after rebuilding, improve user experience.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (8)

1. An old house retrofit system for use in retrofitting an existing building, the old house retrofit system comprising:
the photovoltaic power generation device is arranged on the roof of the existing building;
the building comprises an inner wall body, an air inlet, an air outlet, an air blowing device and a photovoltaic power generation device, wherein the inner wall body is arranged on the inner side of a base layer wall body of an existing building and is arranged at intervals with the base layer wall body so as to form an air duct in a surrounding mode with the base layer wall body, the air duct is provided with the air inlet formed in the base layer wall body and the air outlet formed in the inner wall body, and the air blowing device is arranged in the air inlet and is electrically connected with the photovoltaic power generation device so that external air flow can enter a room through the air duct; and
the heat exchange device comprises a cold source, a heat exchange pipeline and a heater, the heat exchange pipeline is arranged in the air duct, the inlet and the outlet of the heat exchange pipeline are both communicated with the cold source, and the heater is arranged on the heat exchange pipeline and is electrically connected with the photovoltaic power generation device and is used for heating the refrigerant in the heat exchange pipeline;
the old house reconstruction system further comprises a temperature-adjusting pipeline, the temperature-adjusting pipeline is arranged below the floor of the existing building, the cold source is provided with a liquid outlet, a first liquid return port and a second liquid return port, the liquid outlet is communicated with the inlet of the heat exchange pipeline, the outlet of the temperature-adjusting pipeline is communicated with the first liquid return port, and the outlet of the heat exchange pipeline, the inlet of the temperature-adjusting pipeline and the second liquid return port are communicated through a three-way valve, so that the outlet of the heat exchange pipeline is communicated with the second liquid return port or the inlet of the temperature-adjusting pipeline;
when the indoor temperature is required to be reduced, the outlet of the heat exchange pipeline is directly communicated with the second liquid return port, and the refrigerant circularly flows through the liquid outlet, the heat exchange pipeline, the second liquid return port and the cold source in sequence so as to reduce the temperature of the external air flow flowing into the indoor through the air duct; when the indoor temperature is required to be raised, the outlet of the heat exchange pipeline is communicated with the inlet of the temperature regulating pipeline, the refrigerant circularly flows through the liquid outlet, the heat exchange pipeline, the temperature regulating pipeline and the second liquid return port in sequence, and the heater is started to heat the refrigerant in the heat exchange pipeline so as to heat the external air flow flowing into the indoor through the air duct;
the photovoltaic power generation device comprises a plurality of groups of solar photovoltaic panels and storage batteries, wherein the solar photovoltaic panels are paved on the roof and are electrically connected with the storage batteries, and the heater is electrically connected with the storage batteries.
2. The old house-changing system according to claim 1, wherein the air inlet and the air outlet are provided at intervals in a height direction of the existing building;
and/or the air outlets are arranged in a plurality, and the air outlets are arranged at intervals along the width direction of the inner wall body.
3. The old house-changing system according to claim 1, wherein a heat-conducting plate is laid between the temperature-adjusting piping and the floor.
4. The old house retrofit system of claim 1, wherein the heat exchange tube is coiled within the air duct.
5. The old house-changing system of claim 1, wherein the reservoir of the cold source is buried in the formation;
and/or the circulating water pump of the cold source is electrically connected with the photovoltaic power generation device.
6. The old house rebuilding system according to claim 1, wherein the inner wall body is a phase-change wall body, and the phase-change temperature of the phase-change wall body is 20 ℃ to 26 ℃.
7. The old house-changing system according to claim 6, wherein a side of the phase-change wall body facing the base wall body is provided with a heat-insulating layer.
8. The old house-changing system of claim 1, further comprising a temperature sensor electrically connected to the heater to detect an indoor temperature.
CN202210017905.4A 2022-01-07 2022-01-07 Old house reconstruction system Active CN114482597B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004008964U1 (en) * 2004-06-05 2004-09-09 Dietz, Erwin Low energy demand air conditioning system for a house has heat exchangers on the air inlet and exhaust sides and may each serve as evaporator or condenser for a heat engine
CN101266068A (en) * 2007-03-14 2008-09-17 山东华电华源环境工程有限公司 Water source fresh air heat exchanging method and water source fresh air floor heat exchanging air conditioner
CN101788178A (en) * 2010-01-27 2010-07-28 钟粤 New air heat-exchange system for building
CN209585679U (en) * 2018-10-09 2019-11-05 王玉龙 A kind of passive type constant temperature super low energy consumption extending old building system
CN111637509A (en) * 2020-06-08 2020-09-08 河北工业大学 Novel combined heat dissipation terminal system
CN215175637U (en) * 2021-06-04 2021-12-14 田赁 Circulating device for refrigerating and heating through heat exchange coil on ground

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004008964U1 (en) * 2004-06-05 2004-09-09 Dietz, Erwin Low energy demand air conditioning system for a house has heat exchangers on the air inlet and exhaust sides and may each serve as evaporator or condenser for a heat engine
CN101266068A (en) * 2007-03-14 2008-09-17 山东华电华源环境工程有限公司 Water source fresh air heat exchanging method and water source fresh air floor heat exchanging air conditioner
CN101788178A (en) * 2010-01-27 2010-07-28 钟粤 New air heat-exchange system for building
CN209585679U (en) * 2018-10-09 2019-11-05 王玉龙 A kind of passive type constant temperature super low energy consumption extending old building system
CN111637509A (en) * 2020-06-08 2020-09-08 河北工业大学 Novel combined heat dissipation terminal system
CN215175637U (en) * 2021-06-04 2021-12-14 田赁 Circulating device for refrigerating and heating through heat exchange coil on ground

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