CN113216375B - Assembled energy-saving building - Google Patents
Assembled energy-saving building Download PDFInfo
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- CN113216375B CN113216375B CN202110530098.1A CN202110530098A CN113216375B CN 113216375 B CN113216375 B CN 113216375B CN 202110530098 A CN202110530098 A CN 202110530098A CN 113216375 B CN113216375 B CN 113216375B
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Images
Classifications
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- 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
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- 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
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F5/001—Compression cycle type
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- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an assembled energy-saving building, which comprises an assembled building body, a triple co-generation device and a control system, wherein the triple co-generation device and the control system are matched; the assembled building body comprises a frame, a surrounding protective plate, a laminated plate, a heat insulation door, a heat insulation window and a roof panel, wherein the surrounding protective plate is fixed in the frame so as to separate a building function space; the triple co-generation device comprises a compressor, a first exchanger, an expansion valve, an evaporator, a blue membrane heat collector, a three-way valve, a second exchanger, an air conditioner tail end and a hot water tank; the control system is respectively connected with and controls the operation of the compressor, the expansion valve, the three-way valve and the tail end of the air conditioner. The components of the invention are standardized, modularized, factory manufactured and field assembled. Energy saving can be realized to the maximum extent.
Description
Technical Field
The invention relates to the technical field of building energy conservation and Internet of things, in particular to an assembled energy-saving building.
Background
At present, the building energy consumption of China is parallel to the industrial energy consumption and the traffic energy consumption, and becomes the first big energy consumption household of China. The energy consumption of the building (including construction energy consumption, living energy consumption, heating and air conditioning and the like) accounts for about 30 percent of the total energy consumption of the whole society, and if the energy consumption in the production process of the building materials is added, the energy consumption related to the building accounts for 16.7 percent of the total energy consumption of the society. Under the "double carbon" goal, the building and construction industry, as a creditable energy-consuming major household, is closely related to the achievement of the "carbon peak-to-peak, carbon-to-neutral" goal, and new green buildings will mention more important agenda schedules.
Therefore, it is necessary to design a fabricated energy-saving building which can make full use of various renewable energy sources and can be deployed rapidly.
Disclosure of Invention
In order to solve the technical problem, the invention provides an assembled energy-saving building, which comprises an assembled building body, a matched triple co-generation device and a control system, wherein the triple co-generation device is connected with the assembled building body; wherein
The assembly type building body comprises a frame, a surrounding protection plate, a layer plate, a heat insulation door, a heat insulation window and a roof panel, wherein the surrounding protection plate is fixed in the frame so as to separate a building function space;
the triple co-generation device comprises a compressor, a first exchanger, an expansion valve, an evaporator, a blue membrane heat collector, a three-way valve, a second exchanger, an air conditioner tail end and a hot water tank, wherein an exhaust port of the compressor is connected with a primary side inlet of the first exchanger, a primary side outlet of the first exchanger is connected with an inlet of the expansion valve, an outlet of the expansion valve is connected with an inlet of the evaporator, a connecting pipe of an outlet of the evaporator and a first interface of the three-way valve penetrates through the blue membrane heat collector, the blue membrane heat collector is fixed on the upper surface of a roof panel and is connected with the hot water tank, a second interface of the three-way valve is connected with an air suction port of the compressor, a third interface of the three-way valve is connected with a primary side inlet of the second exchanger, a primary side outlet of the second exchanger is connected with an air suction port of the compressor, and a secondary side of the first exchanger is connected with a primary side secondary pipe of the second exchanger, the secondary side of the second exchanger is connected with the end of an indoor air conditioner, and a bypass pipe with a first valve is arranged between the outlet of the expansion valve and a first interface of the three-way valve; a second valve is arranged at the position from the outlet connecting point of the bypass pipe and the expansion valve to the inlet of the evaporator;
the control system is respectively connected with and controls the operation of the compressor, the expansion valve, the three-way valve and the tail end of the air conditioner.
Optionally, the frame is made of profile steel and is in mortise and tenon type plug-in connection.
Optionally, the containment plate is made of a nano-microporous silicate aerogel self-insulation wall material.
Optionally, the prefabricated building body adopts a non-heat bridge design.
Optionally, the heat insulation window adopts an aluminum alloy window frame and multilayer glass, and the aluminum alloy window frame comprises a sealing rubber strip, an aluminum strip molecular sieve, a cushion block, a pressing line, a drainage cavity, a heat preservation cavity and a hardware notch; the sealing glue strip is used for sealing a gap between hollow glass and an aluminum alloy window frame, the aluminum strip molecular sieve is arranged at the edge of the adjacent layer of glass and separates the adjacent layer of glass to form a hollow layer between the adjacent layer of glass, the cushion block is arranged at the joint of the outer side of the edge of the glass and the aluminum alloy window frame, the pressing line is pressed at the edge of the outer surface of the multilayer glass, the drainage cavity is positioned at the outer side of the aluminum alloy window frame, and the heat preservation cavity is arranged at the middle position of the aluminum alloy window frame;
the frame comprises a support plate, a water accumulation chamber, a water drainage chamber, an assembling groove and a steel lining; the support plate is arranged in the middle of the frame and used for supporting the aluminum alloy window frame, the water accumulation chamber and the water drainage chamber are sequentially arranged on the outer side edge of the frame from top to bottom, the steel lining is arranged at the lower end of the support plate and used for heat insulation, and the assembling groove is arranged at the lower end of the steel lining and used for assembling connection;
the aluminum alloy window frame is connected with the frame, and the aluminum alloy window frame is connected with the frame through a lap joint adhesive tape for sealing.
Optionally, the fabricated building body is provided with a ventilation system, and the ventilation system comprises an exhaust pipe, a fresh air pipe, a third heat exchanger and a preheating device;
the exhaust pipe is provided with an indoor exhaust port at the indoor side and a rainproof exhaust shutter at the outdoor side;
the fresh air pipe is provided with an indoor air supply outlet at the indoor side, an outdoor fresh air inlet at the outdoor side, and the preheating device is arranged in the stratum and connected with the outdoor section of the fresh air pipe;
the third heat exchanger is arranged indoors, the primary side of the third heat exchanger is connected with the exhaust pipe, and the secondary side of the third heat exchanger is connected with the fresh air pipe.
Optionally, the control system includes a frequency converter, a calorimeter and a touch screen, the compressor is a variable frequency compressor, and the frequency converter is connected with and controls the variable frequency compressor; the heat meter is arranged on the secondary side of the second exchange exchanger and used for measuring the heat supply quantity or the cold supply quantity of the tail end of the air conditioner.
Optionally, the control system connects the intelligent electrical appliances and the intelligent home in the building in a wireless manner through the intelligent internet of things to form a complete system.
Optionally, the control system is connected in a wireless manner and controls the lighting lamp, and the control system calculates the minimum illumination of each indoor sampling point of the building by using the following formula:
in the above formula, IminRepresenting the minimum illumination of each sampling point in the room;
representing that an exhausted sampling point i takes a minimum value; i isoiRepresenting the direct illumination of a sampling point i; n represents the number of sampling points; mu.sjRepresenting the reflection coefficient of sample point j; i isjRepresenting the illumination of sample point j; α represents the angle of deviation of sample point j from sample point i; beta represents the deflection angle of the sampling point i relative to the sampling point j; dijRepresenting the distance between a sampling point j and a sampling point i; dAjRepresenting the indoor reflecting surface differential;
the control system adjusts the illuminating lamp according to the comparison condition of the minimum illumination obtained by calculation and a preset illumination threshold value, and if the minimum illumination is smaller than the illumination threshold value, the illuminating lamp is adjusted to increase the brightness; and if the minimum illumination intensity is larger than the illumination intensity threshold value, adjusting the illuminating lamp to reduce the brightness.
Optionally, the secondary side of the second exchanger adopts a variable frequency water pump to input secondary side fluid to the end of the air conditioner and realize circulation, the variable frequency water pump is connected with a control system, and the control system predicts the operating power required by the variable frequency water pump by using the following formula:
in the above formula, P represents the operating power required for predicting the variable frequency water pump; g represents the acceleration of gravity, constant; h represents the lift of the variable-frequency water pump; q represents the indoor heat/cold demand; c represents the specific heat of the fluid; t is t1Represents the feed temperature of the fluid; t is t2Represents the reflux temperature of the fluid; gamma ray0、γ1And gamma2Representing three efficiency model parameters of the variable frequency water pump; k is a radical of1Representing the ratio of the actual operating frequency and the rated operating frequency of the variable-frequency water pump; k is a radical of2The ratio of the required flow of the tail end of the air conditioner to the rated flow of the variable-frequency water pump is represented;
and the control system controls the variable-frequency water pump according to the predicted implementation.
The assembled energy-saving building adopts a novel green building system with ultralow energy consumption and renewable energy supply and intelligent control, and intelligently controls energy consumption; all the components and parts of the building are standardized and modularized, are manufactured in factories and are assembled on site, and the system can save energy to the maximum extent in the whole life cycle of the building.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of an assembled energy-saving building according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a building triple co-generation device and a control system for an assembled energy-saving building of the present invention
FIG. 3 is a schematic view of an embodiment of the assembled energy saving structure of the present invention in which the insulating window and the frame are connected;
fig. 4 is a schematic diagram of connection between a control system for the assembly type energy-saving building and an intelligent electric appliance and an intelligent home through the internet of things in a wireless mode.
In the figure: 1-prefabricated building, 11-framework, 111-support plate, 112-water accumulation chamber, 113-drainage chamber, 114-assembly groove, 115-steel lining, 116-overlapping adhesive tape, 12-enclosure plate, 13-laminate plate, 14-heat insulation door, 15-heat insulation window, 151-glass, 152-sealing adhesive tape, 153-aluminum strip molecular sieve, 154-cushion block, 155-pressing line, 156-drainage cavity, 157-heat insulation cavity, 158-hardware notch, 16-roof panel, 2-triple supply device, 21-compressor, 22-first heat exchanger, 23-expansion valve, 24-evaporator, 25-blue film heat collector, 26-three-way valve, 27-second heat exchange water exchanger, 28-air conditioner terminal, 29-box, 3-control system, 31-frequency converter, 32-heat meter, 41-exhaust pipe, 42-fresh air pipe, 43-third heat exchanger, 44-preheating device, 45-indoor exhaust port, 46-rainproof exhaust louver, 47-indoor air supply port and 48-outdoor fresh air port.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an assembled energy-saving building, which includes an assembled building 1, a triple supply device 2 and a control system 3; wherein
The prefabricated building body 1 comprises a frame 11, a containment plate 12, a laminated plate 13, a heat insulation door 14, a heat insulation window 15 and a roof panel 16, wherein the containment plate is fixed in the frame so as to separate a building function space, the laminated plate is fixedly connected with the frame to form a building floor ground, the heat insulation door and the heat insulation window are connected with the frame or the containment plate and are respectively installed at the corresponding positions of a reserved door and a reserved window, and the roof panel is fixedly connected with a beam frame in the frame and is paved on the top surface of the building;
the triple supply device 2 comprises a compressor 21, a first exchanger 22, an expansion valve 23, an evaporator 24, a blue film heat collector 25, a three-way valve 26, a second exchanger 27, an air conditioner terminal 28 and a hot water tank 29, wherein an exhaust port of the compressor 21 is connected with a primary side inlet of the first exchanger 22, a primary side outlet of the first exchanger 22 is connected with an inlet of the expansion valve 23, an outlet of the expansion valve 23 is connected with an inlet of the evaporator 24, a connecting pipe of an outlet of the evaporator 24 and a first interface of the three-way valve 26 penetrates through the blue film heat collector 25, the blue film heat collector 25 is fixed on the upper surface of the roof panel 13 and is connected with the hot water tank 29, a second interface of the three-way valve 26 is connected with an air suction port of the compressor 21, a third interface of the three-way valve 26 is connected with a primary side inlet of the second exchanger 27, and a primary side outlet of the second exchanger 27 is connected with an air suction port of the compressor 21, the secondary side of the first exchanger 22 is connected with the primary side secondary pipe of the second exchanger 27, the secondary side of the second exchanger 27 is connected with the indoor air conditioner end 28, a bypass pipe with a first valve is arranged between the outlet of the expansion valve 23 and the first interface of the three-way valve 26; a second valve is arranged at the position from the outlet connecting point of the bypass pipe and the expansion valve 23 to the inlet of the evaporator 24;
the control system 3 is connected to and controls the operation of the compressor 21, the expansion valve 23, the three-way valve 26, and the air conditioner terminal 28, respectively.
The working principle and the beneficial effects of the technical scheme are as follows: the scheme adopts a novel green building system with ultralow energy consumption and renewable energy supply and intelligent control, and intelligently controls energy consumption; all the structures and components of the building are standardized and modularized, are manufactured in factories and are assembled on site, and the system can save energy to the maximum extent in the whole life cycle of the building.
In one embodiment, the frame is made of section steel and is in mortise and tenon type plug-in connection.
The working principle and the beneficial effects of the technical scheme are as follows: the section steel in the scheme can be generally selected from thin-wall square tubes, firstly, a light steel structure assembly type building system adopting the thin-wall square tubes comprehensively considers five factors of building functions, industrialized production of structural components, simplified assembly, assembled decoration and low cost, improves the labor productivity and saves resources on the premise of safety, economy and attractiveness; secondly, the body system is in a mortise and tenon type inserting connection mode, so that the installation is faster, and the welding or riveting process and the material or rivet cost are saved; thirdly, the mortise-tenon joint piece is produced in batches for factory customization, so that the connection problem of each component is solved, the problem of effective conduction of vertical force of an upper layer and a lower layer is solved, and safe and rapid installation is realized.
In one embodiment, the containment plate is made of a nano-microporous silicate aerogel self-insulation wall material.
The working principle and the beneficial effects of the technical scheme are as follows: the NCC (Nano-Cellular air-Concrete) Nano-microporous silicate aerogel self-insulation wall material adopted by the enclosure plate has the characteristics of A-level fire prevention, fire hazard elimination, excellent heat insulation performance and the like, can be used for the inner wall and the outer wall, is weather-resistant, water-resistant, freeze-thaw-resistant, high in cost performance, economical and practical, low in energy consumption, and free of harmful pollutant release in the whole production, construction and use processes. Due to the excellent heat insulation performance of the heat insulation board, the heat insulation construction of an external wall is not needed, and heat insulation materials and construction cost are greatly saved.
In one embodiment, the prefabricated building body is of a non-thermal bridge design.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme can furthest reduce "heat bridge effect" through no heat bridge design, when preventing that the heat from running off, promotes thermal insulation performance, makes the building drop to minimumly to the demand of refrigeration and heating, like balcony board heat bridge, parapet heat bridge, outer wall bottom heat bridge, basement roof heat bridge, shutter heat bridge.
In one embodiment, as shown in fig. 3, the thermal insulation window 15 adopts an aluminum alloy window frame and a multi-layer glass 151, wherein the aluminum alloy window frame comprises a sealing rubber strip 152, an aluminum strip molecular sieve 153, a cushion block 154, a pressing line 155, a drainage cavity 156, a heat preservation cavity 157 and a hardware notch 158; the sealing rubber strip 152 is used for sealing a gap between the hollow glass 151 and the aluminum alloy window frame, the aluminum strip molecular sieve is arranged at the edge of the adjacent layer of glass 151 and separates the adjacent layer of glass 151 to form a hollow layer between the adjacent layer of glass 151, the cushion block 154 is arranged at the joint of the outer side of the edge of the glass 151 and the aluminum alloy window frame, the pressing line 155 is clamped and pressed at the edge of the outer surface of the multilayer glass 151, the drainage cavity 156 is arranged at the outer side of the aluminum alloy window frame, and the heat preservation cavity 157 is arranged at the middle position of the aluminum alloy window frame;
the frame 11 comprises a support plate 111, a water accumulation chamber 112, a water discharge chamber 113, an assembling groove 114 and a steel lining 115; the support plate 111 is arranged in the middle of the frame 11 and used for supporting an aluminum alloy window frame, the water accumulation chamber 112 and the water discharge chamber 113 are sequentially arranged on the outer side edge of the frame 11 from top to bottom, the steel lining 115 is arranged at the lower end of the support plate 111 and used for heat insulation, and the assembling groove 114 is arranged at the lower end of the steel lining 115 and used for assembling connection;
the aluminum alloy window frame is connected with the frame 11, and the aluminum alloy window frame and the frame are connected by adopting an overlapping adhesive tape 116 for sealing.
The working principle and the beneficial effects of the technical scheme are as follows: the heat insulation window adopts a hollow glass mode for heat insulation, wherein two or more hollow layers can be arranged to enhance the sound and heat insulation effect; the aluminum alloy window frame is light in weight, the heat preservation cavity is arranged in the aluminum alloy window frame, heat insulation between the indoor and the outdoor can be realized under the condition that the structure is stable and firm, and the drainage cavity is arranged on the outdoor side, so that water seepage from the outdoor to the indoor can be prevented; a set up the steel lining in the middle of the frame for fixing thermal-insulated window and be used for thermal-insulated, outdoor side sets up ponding room and drainage chamber in order to prevent outdoor outside indoor infiltration, sets up the extension board and supports thermal-insulated window and connect, sets up the groove of piecing together and conveniently connects with other frame part or fender apron.
In one embodiment, as shown in fig. 1, the prefabricated building body 1 is provided with a ventilating system including an exhaust duct 41, a fresh air duct 42, a third heat exchanger 43, and a preheating device 44;
the exhaust pipe 41 is provided with an indoor exhaust port 45 at the indoor side and a rainproof exhaust shutter 46 at the outdoor side;
the fresh air pipe 42 is provided with an indoor air supply outlet 47 at the indoor side and an outdoor fresh air outlet 48 at the outdoor side, and the preheating device 44 is arranged in the stratum and is connected with the outdoor section of the fresh air pipe 42;
the third heat exchanger 43 is installed indoors, the primary side of the third heat exchanger 43 is connected to the exhaust duct 41, and the secondary side of the third heat exchanger 43 is connected to the fresh air duct 42.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the ventilation system is arranged in the fabricated building body, and the heat exchange is carried out between the exhaust air of the ventilation system and the fresh air through the third heat exchanger, so that the heat or the cold is recovered, and the building energy-saving performance is stronger; in addition, the fresh air is preheated by adopting renewable geothermal resources, so that the heat efficiency of a fresh air system is enhanced, and the energy-saving and environment-friendly effects are enhanced.
In one embodiment, as shown in fig. 2, the control system comprises a frequency converter 31, a heat meter 32 and a touch screen, the compressor 21 is a variable frequency compressor, and the frequency converter 31 is connected with and controls the variable frequency compressor; the heat meter 32 is arranged on the secondary side of the second heat exchanger 27 and used for measuring the heat supply quantity or the cold supply quantity to the air conditioner tail end 28.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the frequency converter is arranged and used for controlling the variable frequency compressor, so that the adjustability of refrigeration or heating is enhanced, and the waste of cold or heat caused by internal supercooling or overheating can be prevented; indoor air conditioner end can have a plurality ofly, sets up the calorimeter and carries out real-time supervision to the terminal heating load of air conditioner or cooling capacity, can also realize visual operation and state through the touch-sensitive screen and show, has improved user's good experience.
In one embodiment, as shown in fig. 4, the control system connects the smart appliances and the smart homes in the building in a wireless manner through a smart internet of things to form a complete system.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, various traditional intelligent electrical appliances and intelligent home furnishings in a home are organically organized in a wireless mode through the intelligent Internet of things, wherein the intelligent electrical appliances include but are not limited to air conditioner terminals, televisions, refrigerators, washing machines, computers, telephones, video monitoring, electricity consumption prevention devices and the like, and the intelligent home furnishings include but are not limited to electric curtains and the like to form a complete system, so that seamless perception and complete management can be achieved; generally, the smart home is considered to bring improvement of life quality in the traditional sense, the internet of things type smart home actually changes the viewpoints, and the most obvious changes are practical, convenient and easy to integrate, so that family life becomes easy and convenient and is very interesting. These applications are not only quality of life improvement, but to a greater extent can be regarded as a fundamental need in modern households.
In one embodiment, the control system is connected with and controls the illuminating lamp in a wireless mode, and the control system calculates the minimum illumination of each indoor sampling point of the building by adopting the following formula:
in the above formula, IminRepresenting the minimum illumination of each sampling point in the room;
representing that an exhausted sampling point i takes a minimum value; i isoiRepresenting the direct illumination of a sampling point i; n represents the number of sampling points; mu.sjRepresenting the reflection coefficient of sample point j; i isjRepresenting the illumination of sample point j; α represents the angle of deviation of sample point j from sample point i; beta represents the deflection angle of the sampling point i relative to the sampling point j; dijRepresenting the distance between a sampling point j and a sampling point i; dAjIndicating indoor reflectionsSurface differentiation;
the control system adjusts the illuminating lamp according to the comparison condition of the minimum illumination obtained by calculation and a preset illumination threshold value, and if the minimum illumination is smaller than the illumination threshold value, the illuminating lamp is adjusted to increase the brightness; and if the minimum illumination intensity is larger than the illumination intensity threshold value, adjusting the illuminating lamp to reduce the brightness.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, sampling point measurement is carried out on indoor illumination, and the correlation of the indoor illumination of each point is reflected by the formula; through the correlation, the indoor minimum illumination can be calculated under the condition of limited measurement, the illumination lamp is adjusted according to the comparison condition of the minimum illumination and a preset illumination threshold, and if the minimum illumination is smaller than the illumination threshold, the illumination lamp is adjusted to increase the brightness; if the minimum illumination is larger than the illumination threshold, the brightness of the illuminating lamp is reduced by adjusting; on one hand, the indoor light intensity requirement can be guaranteed, the living quality is improved, and the eyesight of people is protected; on the other hand, the energy consumption can be reduced, and the environmental protection effect is enhanced.
In one embodiment, the secondary side of the second exchanger 27 uses a variable frequency water pump to input the secondary side fluid to the air conditioner terminal 28 and circulate, and the variable frequency water pump is connected to a control system, and the control system predicts the required operating power of the variable frequency water pump by using the following formula:
in the above formula, P represents the operating power required for predicting the variable frequency water pump; g represents the acceleration of gravity, constant; h represents the lift of the variable-frequency water pump; q represents the indoor heat/cold demand; c represents the specific heat of the fluid; t is t1Represents the feed temperature of the fluid; t is t2Represents the reflux temperature of the fluid; gamma ray0、γ1And gamma2Representing three efficiency model parameters of the variable frequency water pump; k is a radical of1Representing the ratio of the actual operating frequency and the rated operating frequency of the variable-frequency water pump; k is a radical of2The ratio of the required flow of the tail end of the air conditioner to the rated flow of the variable-frequency water pump is represented;
and the control system controls the variable-frequency water pump according to the predicted implementation.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the variable frequency water pump is arranged to convey the fluid medium to the tail end of the air conditioner, so that the circulation of the fluid medium is promoted; the running power required by the variable-frequency water pump is predicted in advance through the formula, the running state of the variable-frequency water pump can be adjusted in advance, and hysteresis and waste of energy consumption caused by adjustment afterwards are avoided; the prediction of the required operating power of the variable frequency water pump is carried out according to the indoor heat or cold demand, and the indoor heat or cold can be determined according to the indoor space size, the current environment parameters and the target environment parameters to be achieved.
The invention relates to a light steel structure assembly type design, which comprises a light steel assembly type main body structure of a thin-wall square tube, an integrated outer enclosure structure of an NCC nano microporous silicate fireproof self-heat-insulation material, and an integrated inner enclosure structure of a comprehensive pipe network laying route; the design of a passive house, the design of an external enclosure energy-saving system, the design of energy-saving doors and windows, the design of avoiding cold and hot bridges and saving energy, the design of air tightness and the design of sun shading; renewable energy supplies with new trend system design, solar energy + the complementary renewable energy of multipotency is cold, hot and hydrothermal trigeminy supplies system design, user side phase transition low temperature heat accumulation system design, high-efficient heat recovery system design, new trend system design: designing a fan-free fresh air purification system based on a particle convergence effect; the intelligent household energy management system comprises an intelligent building design, an internet of things system design, an intelligent household system design, an indoor and outdoor environment monitoring system design, an energy subentry metering system design, an energy consumption real-time monitoring system design and a security system design.
The steel structure assembly type building system of the building, the steel structure assembly type building system of the building includes three major core technologies: standardized design technology, industrialized production technology and assembling installation technology; the light steel structure assembly type building system adopting the thin-wall square tubes comprehensively considers five factors of building functions, industrialized production of structural components, simplified assembly, assembled decoration and low cost, improves the labor productivity and saves resources on the premise of safety, economy and beauty; the system is a mortise-tenon type plug-in connection mode, compared with the mortise-tenon type plug-in connection mode, the installation is quicker, and the welding or riveting procedures and the material or rivet cost are saved; the mortise-tenon joint piece is produced in batches by factory customization, not only solves the connection problem of each component, but also solves the effective conduction problem of vertical force of the upper layer and the lower layer, and realizes safe and quick installation.
The heat-insulating material adopts NCC (Nano-Cellular air-Concrete) Nano microporous silicate aerogel self-heat-insulating wall material, has the characteristics of A-level fire prevention, fire hazard elimination, excellent heat-insulating property and the like, can be used for both inner walls and outer walls, is resistant to weather, water and freeze-thaw cycles, high in cost performance, economical and practical, low in energy consumption, and free of harmful pollutant release in the whole process of production, construction and use. Due to the excellent heat insulation performance of the heat insulation material, the heat insulation construction of the outer wall is not needed, and the heat insulation material and the construction cost are greatly saved.
The invention can achieve the following effects:
the building assembly rate is more than 95 percent; the energy saving rate of the house is more than 92 percent; the surface temperature of each surface of the enclosed room is not lower than the indoor temperature by 3 ℃; based on energy conservation, intelligent control is taken as a core, comfort and health are taken as targets, and the indoor temperature, humidity and air cleanliness are controlled by combining a building temperature regulation and air conditioning system, so that the following five constant effects of constant temperature, constant humidity, constant oxygen, constant cleanness and constant silence are constantly kept in 24 hours indoors:
1. constant temperature-uniform heat supply, lasting and constant. Through heating, refrigeration technique, keep summer: 24 ± 2 ℃, winter: 20 +/-2 ℃, uniform indoor temperature and no sense of blowing.
2. Constant humidity-caucasian dryness, refusal to wet. In the plum rain season of 6-8 months in south, and in the non-heating season before winter and after spring in north, the air humidity and temperature always influence the life and health of human bodies. The five constant systems keep the indoor humidity constant between 40% and 60% all the time, so that the best comfort of human bodies is achieved, and the purposes of no mildew, no cold and dryness and comfort in the room are achieved.
3. Constant oxygen-close to nature, such as bathing in spring breeze. According to the indoor human body demand, the indoor air is replaced at regular time, fresh air circulation is realized, and each air port is fresh and clean without going out of home.
4. Constant cleaning-air purification, whole room ventilation. The deep filtration degerming, high-efficient filter subsides PM2.5 particulate matter, harmful substance such as second-hand-held cigarette in the clean room, formaldehyde, benzene, when accomplishing indoor air purification high-efficiently, ensure the integration and the no dead angle distribution of indoor air temperature, humidity, cleanliness factor.
5. Calmness-silence like forest, quiet and comfortable. Fundamentally solves the noise problem that traditional indoor refrigeration, heating machine equipment brought, breathes comfortable clear indoor air like forest oxygen bar, more your construction silence like the interior space of forest.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. An assembled energy-saving building is characterized by comprising an assembled building body, a matched triple co-generation device and a control system; wherein,
the assembled building body comprises a frame, a surrounding protective plate, a laminated plate, a heat insulation door, a heat insulation window and a roof panel, wherein the surrounding protective plate is fixed in the frame so as to separate a building function space;
the triple co-generation device comprises a compressor, a first heat exchanger, an expansion valve, an evaporator, a blue membrane heat collector, a three-way valve, a second heat exchanger, an air conditioner tail end and a hot water tank, wherein an exhaust port of the compressor is connected with a primary side inlet of the first heat exchanger, a primary side outlet of the first heat exchanger is connected with an inlet of the expansion valve, an outlet of the expansion valve is connected with an inlet of the evaporator, a connecting pipe of an outlet of the evaporator and a first interface of the three-way valve penetrates through the blue membrane heat collector, the blue membrane heat collector is fixed on the upper surface of a roof panel and is connected with the hot water tank, a second interface of the three-way valve is connected with an air suction port of the compressor, a third interface of the three-way valve is connected with a primary side inlet of the second heat exchanger, a primary side outlet of the second heat exchanger is connected with an air suction port of the compressor, and a secondary side of the first heat exchanger is connected with a primary side secondary pipe of the second heat exchanger, the secondary side of the second heat exchanger is connected with the tail end of an indoor air conditioner, and a bypass pipe with a first valve is arranged between the outlet of the expansion valve and a first interface of the three-way valve; a second valve is arranged at the position from the outlet connecting point of the bypass pipe and the expansion valve to the inlet of the evaporator;
the control system is respectively connected with and controls the operation of the compressor, the expansion valve, the three-way valve and the tail end of the air conditioner;
the control system connects intelligent electrical appliances in the building with intelligent home furnishing through an intelligent Internet of things in a wireless mode to form a complete system;
the control system is connected in a wireless mode and controls the illuminating lamp, and the control system calculates the minimum illumination of each indoor sampling point of the building by adopting the following formula:
in the above formula, the first and second carbon atoms are,
representing the minimum illumination of each sampling point in the room;
sampling point for indicating calendar
Taking a minimum value;
representing sample points
The direct illumination intensity of;
representing the number of sampling points;
representing sample points
The reflection coefficient of (a);
representing sample points
The illuminance of (a);
representing sample points
Relative to the sampling point
The declination angle of (d);
representing sample points
Relative to the sampling point
The declination angle of (d);
representing sample points
And sampling point
The distance of (d);
representing the indoor reflecting surface differential;
the control system adjusts the illuminating lamp according to the comparison condition of the minimum illumination obtained by calculation and a preset illumination threshold value, and if the minimum illumination is smaller than the illumination threshold value, the illuminating lamp is adjusted to increase the brightness; and if the minimum illumination intensity is greater than the illumination intensity threshold value, adjusting the illuminating lamp to reduce the brightness.
2. The fabricated energy-saving building of claim 1, wherein the frame is made of section steel and is in mortise and tenon type plug connection.
3. The fabricated energy-saving building of claim 1, wherein the containment plate is made of a nano-microporous silicate aerogel self-insulation wall material.
4. The prefabricated energy saving building of claim 1, wherein the prefabricated building body is of a non-thermal bridge design.
5. The fabricated energy-saving building of claim 1, wherein the heat insulation window adopts an aluminum alloy window frame and multiple layers of glass, and the aluminum alloy window frame comprises sealing rubber strips, aluminum strip molecular sieves, cushion blocks, pressing lines, a drainage cavity, a heat preservation cavity and hardware notches; the sealing rubber strip is used for sealing a gap between hollow glass and an aluminum alloy window frame, the aluminum strip molecular sieve is arranged on the edge of adjacent layers of glass and separates the adjacent layers of glass to form a hollow layer between the adjacent layers of glass, the cushion block is arranged at the joint of the outer side of the edge of the glass and the aluminum alloy window frame, the pressing line is pressed on the edge of the outer surface of the multilayer glass, the drainage cavity is positioned on the outer side of the aluminum alloy window frame, and the heat preservation cavity is arranged in the middle of the aluminum alloy window frame;
the frame comprises a support plate, a water accumulation chamber, a water drainage chamber, an assembling groove and a steel lining; the support plate is arranged in the middle of the frame and used for supporting the aluminum alloy window frame, the water accumulation chamber and the water drainage chamber are sequentially arranged on the outer side edge of the frame from top to bottom, the steel lining is arranged at the lower end of the support plate and used for heat insulation, and the assembling groove is arranged at the lower end of the steel lining and used for assembling connection;
the aluminum alloy window frame is connected with the frame, and the aluminum alloy window frame is connected with the frame through a lap joint adhesive tape for sealing.
6. The fabricated energy-saving building of claim 1, wherein the fabricated building body is provided with a ventilation system, the ventilation system comprises an exhaust duct, a fresh air duct, a third heat exchanger and a preheating device;
the exhaust pipe is provided with an indoor exhaust port at the indoor side and a rainproof exhaust shutter at the outdoor side;
the fresh air pipe is provided with an indoor air supply outlet at the indoor side, an outdoor fresh air inlet at the outdoor side, and the preheating device is arranged in the stratum and connected with the outdoor section of the fresh air pipe;
the third heat exchanger is arranged indoors, the primary side of the third heat exchanger is connected with the exhaust pipe, and the secondary side of the third heat exchanger is connected with the fresh air pipe.
7. The fabricated energy-saving building of claim 1, wherein the control system comprises a frequency converter, a heat meter and a touch screen, the compressor is a variable frequency compressor, and the frequency converter is connected with and controls the variable frequency compressor; the heat meter is arranged on the secondary side of the second heat exchanger and used for measuring the heat supply quantity or the cold supply quantity to the tail end of the air conditioner.
8. The assembly type energy-saving building of any one of claims 1 to 7, wherein the secondary side of the second heat exchanger adopts a variable frequency water pump to input secondary side fluid to the tail end of the air conditioner and realize circulation, the variable frequency water pump is connected with a control system, and the control system adopts the following formula to predict the required operating power of the variable frequency water pump:
in the above formula, the first and second carbon atoms are,
representing the running power required by the variable frequency water pump;
represents the acceleration of gravity, constant;
representing the lift of the variable-frequency water pump;
represents the heat/cold demand in the room;
represents the specific heat of the fluid;
represents the feed temperature of the fluid;
represents the reflux temperature of the fluid;
、
and
representing three efficiency model parameters of the variable frequency water pump;
representing the ratio of the actual operating frequency and the rated operating frequency of the variable-frequency water pump;
the ratio of the required flow of the tail end of the air conditioner to the rated flow of the variable-frequency water pump is represented;
and the control system controls the variable-frequency water pump according to the predicted implementation.
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