CN207959526U - A kind of modular assembly formula house - Google Patents

Abstract

The utility model discloses a kind of modular assembly formula houses, including major structure of construction, assembling room integral bathroom, solar water heater, rain water collecting system, FRP septic tanks, assembling room whole kitchen, solar photovoltaic generation system and wind generator system, the wind light mutual complementing formula electricity system that modularization is set up；The major structure of construction that modularization is set up includes modular architectural roof, modular architectural bottom plate, modular frame component, modularization door and window component, modular architectural wallboard；Modular architectural roof includes ripple color steel, roof enhancement layer, rock wool heat-preservation layer, mineral wool insulating layer；Modular architectural bottom plate includes ripple color steel, floor insulating layer, solid wood composite board, inorfil-carbon fiber electrically fever ground heating floor, PVC fire-proof and water-proofs floor；Modularization door and window component includes Energy Saving Windows, ventilating system.The modular assembly formula house of the utility model, can realize modular assembly, additionally it is possible to realize that power self-support is self-sustaining.

Description

A modular house

technical field

The utility model relates to the technical field of construction equipment, in particular to a modular assembly house.

Background technique

With the increase in the number of traditional buildings, the gradual scarcity of land resources, the increasing pollution of cities, the intensification of climate warming, and the difficulty of handling construction waste, people are increasingly yearning for wild life in villages, forests, grasslands, and seashores. However, the efficiency of traditional building construction is low, causing a series of environmental pollution such as serious sound pollution and light pollution to the surrounding area of the construction. Moreover, the steps in the construction process are diverse and the degree of specialization is low, which makes it easy for the staff to work due to the various types of work during the construction process. Mistakes caused by various changes often slow down or even block the construction process, thereby affecting the construction speed and construction quality. These problems make the innovation of highly industrialized modular prefabricated buildings imperative.

However, due to the poor infrastructure in the wilderness, which is usually far away from the crowd, the shortage of energy sources (such as electric energy), the living environment is harsh, the summer is exposed to the scorching sun without basic cooling conditions, and the cold wave invades in winter, resulting in the comfort requirements of the house. It is difficult to meet the demand for electricity, warm water for washing, good heat preservation and air tightness. Therefore, there is an urgent need to design a house that can realize modular assembly and disassembly, and can realize energy self-sufficiency in the case of energy shortage and harsh living environment, which is sufficient to ensure the user's comfortable living requirements.

Utility model content

In order to overcome the technical problems that the existing construction method has a long construction period and low efficiency, and the manufactured house cannot guarantee the comfort requirements of users in the field environment, the utility model provides a modular assembly house, which can not only realize Modular assembly is used to shorten the construction time, and it can also achieve energy self-sufficiency to ensure the user's comfortable living requirements in the case of energy shortage and harsh living environment.

In order to achieve the above purpose, a modular prefabricated house provided by the utility model includes a modular building main structure, an integral bathroom for the assembled house, a solar water heater, a rainwater collection system, an FRP septic tank, and an integral body for the assembled house A kitchen, a solar photovoltaic power generation system and a wind power generation system for supplying power to electrical equipment in the house, and a wind-solar complementary power consumption system composed of the solar photovoltaic power generation system and the wind power generation system;

The integral bathroom, solar water heater, FRP septic tank, and integrated kitchen for the assembly room are detachably installed on the main structure of the modular building;

The main structure of the modular building includes a modular building roof, a modular building floor, a modular frame assembly, a modular door and window assembly, and a modular building wall panel for reducing thermal bridges and improving house air tightness;

The roof of the modular building sequentially includes corrugated color steel plates, roof reinforcement layers, rock wool insulation layers, and glass wool insulation layers from the outside to the inside of the house;

The modular building floor includes corrugated color steel plate, floor insulation layer, solid wood composite board, inorganic fiber-carbon fiber electric heating floor heating board, PVC fireproof and waterproof floor in sequence from the outside to the inside of the house;

The modular door and window assembly includes energy-saving windows installed on the modular building wall panels, and a ventilation system for providing fresh air in the house and recovering the heat of the air in the house;

The solar water heater, rainwater collection system, solar photovoltaic power generation system and wind power generation system are all arranged on the roof of the modular building;

The water outlet of the rainwater collection system is connected to the water inlet of the solar water heater, and the water outlet of the solar water heater is connected to the integral bathroom of the assembled house and/or other water-using equipment in the house.

In the above-mentioned modular prefabricated house, the energy-saving window includes a passive thermal storage window frame fixedly connected to the modular building wall panel, and a glass plate whose edge is embedded in the passive thermal storage window frame;

The passive thermal storage window frame includes an inner frame plate embedded with the glass plate, and a peripheral frame groove that is fixedly connected with the modular building wall panel and buckled with the inner frame plate; A second cavity is provided between the surrounding frame plate and the peripheral frame groove, a thermal energy generating device and a storage battery are arranged in the second cavity, and the output end of the thermal energy generating device is connected to the input end of the storage battery;

The peripheral frame groove is composed of a thermal insulation frame plate on the negative side and a passive heat storage frame plate on the positive side. The heat-absorbing hollow plate that is adapted to be connected to the heat-insulating frame plate, the phase-change heat storage material filled in the heat-absorbing hollow plate, and the heat conduction device whose heat-absorbing end is soaked in the phase change heat storage material, the heat conduction The output end of the device is connected with the input end of the thermal power generation device.

In the above-mentioned modular prefabricated house, the heat conduction device is also provided with a heat conduction sheet located in the second cavity, and the heat conduction sheet closely adheres to the surface of the heat-absorbing hollow plate; the second cavity There is also a heat insulation board covering the heat conducting sheet inside.

In the above-mentioned modular prefabricated house, the ventilation system includes a main control system, a data acquisition module connected to the main control system and a fresh air system, the main control system includes a microcontroller and an A/D converter, and the The data acquisition module includes an air quality detector installed indoors, a CO sensor and a smoke sensor. The fresh air system includes a heat exchanger, an exhaust fan and a fresh fan. The heat exchanger is provided with a heat recovery exhaust duct and a heat exchange inlet. The air duct, the exhaust fan is connected to the air inlet of the heat recovery exhaust duct through the exhaust duct, the air outlet of the heat recovery exhaust duct communicates with the outside, and the fresh air fan communicates with the heat exchange duct through the fresh air duct. The air inlet of the air inlet channel is connected, the air outlet of the heat exchange air inlet channel is connected with the inside of the house, and the first filter device for filtering the air flowing to the heat recovery exhaust air channel is provided on the exhaust air duct, so The fresh air duct is provided with a second filtering device for filtering the air flowing to the heat exchange air inlet channel.

In the above-mentioned modular prefabricated house, the first filter device is an activated carbon filter;

The second filtering device includes a preliminary filter screen, an ionization area, a dust collection screen, and a composite filter screen arranged in sequence along the flow direction of the wind;

The air quality detector is provided with a formaldehyde sensor, a PM2.5 sensor, a TVOC sensor and a temperature and humidity sensor.

In the above-mentioned modular prefabricated house, the rainwater collection system includes a rainwater collection groove fixed on the roof of the modular building, a rainwater delivery pipe, a rainwater filtration system, a large rainwater storage tank, a water pump and a rainwater high level tank.

In the above-mentioned modular prefabricated house, the corrugated color steel plate is made of FRP composite material.

In the above-mentioned modular prefabricated house, the inorganic fiber-carbon fiber electric heating floor heating board is assembled by basalt fiber insulation board and carbon fiber electric heating wire.

In the above-mentioned modular prefabricated house, the floor insulation layer includes one or more of glass wool insulation layer, rock wool insulation layer, and basalt insulation layer.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Since the modular assembly building mode can improve the industrialization degree of the building, each component module required by the house can realize mass industrial production in the factory, shorten the house construction cycle, and realize green construction, during the construction process Effectively control construction waste and construction dust, and achieve the goals of saving water, electricity, materials, energy, and time; and modules can be combined in different ways to meet the installation requirements of different geographical environments;

(2) Since the solar water heater, solar photovoltaic power generation system and wind power generation system are installed on the roof of the modular building, and the wind-solar complementary power consumption system composed of the solar photovoltaic power generation system and the wind power generation system can make full use of solar energy and wind energy to realize heating , domestic water, electricity and other needs to achieve energy self-sufficiency;

And because of the inorganic fiber-carbon fiber electric heating floor heating board in the modular building floor, the modular building wall panel can reduce the thermal bridge and improve the air tightness of the house, thereby ensuring the indoor night temperature and realizing energy saving.

Description of drawings

Fig. 1 is a schematic structural view of a modular prefabricated house in an embodiment of the present invention;

Fig. 2 is the top view of the modular prefabricated house of the embodiment of the present invention;

Fig. 3 is the installation diagram of the energy-saving window of the modular prefabricated house of the embodiment of the utility model;

Fig. 4 is the A-A plane sectional view of Fig. 3;

Fig. 5 is a structural schematic diagram of a fresh air system of a modular prefabricated house according to an embodiment of the present invention;

Fig. 6 is a schematic structural view of the second filter device of the fresh air system of the modular prefabricated house according to the embodiment of the present invention;

Fig. 7 is a cross-sectional view of a modular building wall panel of a modular prefabricated house according to an embodiment of the present invention.

Among them, 1. Modular building roof; 11. Solar photovoltaic power generation system; 2. Modular building wall panel; 20. Glass; 21. Coated metal plate; 22. Heat storage material;

3. Energy-saving window; 31. Passive thermal storage window frame; 32. Glass plate body; 33. Inner frame plate; 34. Peripheral frame groove; 35. Second cavity; 36. Thermal power generation device; 37. Battery; 38 , heat insulation frame plate; 39, passive heat storage frame plate; 391, heat absorbing hollow plate; 392, phase change heat storage material; 393, heat conduction device; 3931, heat conduction plate; 3932, heat insulation plate; ;

4. Solar water heater; 5. Integral kitchen for assembly room; 6. Integral bathroom for assembly room; 7. Modular building floor;

8. Fresh air system; 81. Heat exchanger; 811. Heat recovery exhaust duct; 812. Heat exchange inlet duct; 82. Exhaust fan; 821. Exhaust duct; 83. Fresh fan; 831. Fresh air duct; 84. The first filtering device; 85, the second filtering device; 86, the primary filter; 87, the ionization area; 88, the dust collection net; 89, the compound filter.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Fig. 1 to Fig. 7, a modular prefabricated house provided by the utility model includes a modular building main structure, an integral bathroom 6 for the prefabricated house, a solar water heater 4, a rainwater collection system, FRP septic Pool, integrated kitchen for assembly room 5, solar photovoltaic power generation system 11 and wind power generation system for supplying power to the electrical equipment in the house, and a wind-solar complementary power consumption system composed of solar photovoltaic power generation system 11 and wind power generation system;

The integral bathroom 6 for the assembly room, the solar water heater 4, the FRP septic tank, and the integral kitchen for the assembly room 5 are detachably installed on the main structure of the modular building;

The main structure of the modular building includes a modular building roof 1, a modular building floor 7, a modular frame assembly, a modular door and window assembly, and a modular building wall panel 20 for reducing thermal bridges and improving air tightness of the house;

The roof of the modular building 1 includes corrugated color steel plates, roof reinforcement layers, rock wool insulation layers, and glass wool insulation layers in sequence from the outside to the inside of the house;

The modular building base plate 7 includes corrugated color steel plate, floor insulation layer, solid wood composite board, inorganic fiber-carbon fiber electric heating floor heating board, PVC fireproof and waterproof floor in sequence from the outside to the inside of the house;

The modular door and window assembly includes energy-saving windows 3 installed on the modular building wall panels 2, and a ventilation system for providing fresh air in the house and recovering the heat of the air in the house;

The solar water heater 4, the rainwater collection system, the solar photovoltaic power generation system 11 and the wind power generation system are all located on the modular building roof 1;

The water outlet of the rainwater collection system is connected with the water inlet of the solar water heater 4, and the water outlet of the solar water heater 4 is connected with the integrated bathroom 6 and/or other water equipment in the house for solving domestic water and hot water for bathing.

As shown in FIGS. 1 to 7 , preferably, the energy-saving window 3 includes a passive thermal storage window frame 31 fixedly connected to the modular building wall panel 2 , and a glass plate body 32 whose edges are embedded in the passive thermal storage window frame 31 ;

The passive thermal storage window frame 31 includes an inner frame plate 33 embedded with the glass plate body 32, a peripheral frame groove 34 fixedly connected with the modular building wall panel 2 and buckled with the inner frame plate 33; the inner frame plate 33 A second cavity 35 is arranged between the peripheral frame groove 34, and a thermal energy generating device 36 and a storage battery 37 are arranged in the second cavity 35, and the output end of the thermal energy generating device 36 is connected with the input end of the storage battery 37; 32 and the inner frame plate 33 are scarf-jointed connections, without the use of screws and other fasteners, which can ensure the appearance of the window; moreover, the inner frame plate 33 and the peripheral frame groove 34 are snap-fit connections, which can facilitate passive storage. The installation and disassembly of the thermal window frame 31 is easy to maintain;

The peripheral frame groove 34 is composed of a heat insulating frame plate 38 on the negative side and a passive heat storage frame plate 39 on the positive side. The heat-absorbing hollow plate 391 that is connected to the frame plate 38, the phase-change heat storage material 392 filled in the heat-absorbing hollow plate 391, and the heat-conducting device 393 whose heat-absorbing end is soaked in the phase-change heat storage material 392, and the heat-conducting device 393 The output end is connected with the input end of the thermal energy generating device 36 .

The heat conduction device 393 is also provided with a heat conduction sheet 3931 located in the second cavity 35, and the heat conduction sheet 3931 is closely attached to the surface of the heat-absorbing hollow plate 391; the second cavity 35 is also provided with a heat shield covering the heat conduction sheet 3931 3932.

Preferably, the heat-absorbing hollow plate 391 is an alumina ceramic hollow plate, which is suitable for outdoor environments, has a long service life, and has high thermal conductivity, which can efficiently absorb heat in the atmosphere and improve the recycling rate of waste heat; the heat-insulating frame plate 38 There is a USB plug port 310 exposed indoors on the top, and the USB plug port 310 is connected to the output end of the storage battery 37, which can facilitate the use of electric energy stored in the storage battery by electrical equipment; To ensure a comfortable room temperature that is warm in winter and cool in summer, the excellent sealing performance can effectively block the entry of wind, sand and dust into the room, and weaken the noise intensity; the heat insulation frame plate 38 is a bridge-breaking aluminum profile.

The recovery principle of the energy-saving window 3 in the embodiment of the utility model to the waste heat of the atmosphere is: when the temperature of the atmosphere is high or when the passive heat storage frame plate is irradiated by sunlight, the passive heat storage frame plate on the sunny side (that is, the passive heat storage frame plate) The heat-absorbing hollow plate located on the outdoor side) can absorb the heat of the atmosphere and/or the heat of solar radiation, and transfer the heat to the phase change heat storage material for heat storage, and then the phase change heat storage material transfers the heat to the heat conduction device , and finally the heat conduction device transfers heat to the thermal power generation device, and the thermal power generation device converts the heat into electrical energy and transmits the electrical energy to the battery for storage for external power consumption, thereby achieving the purpose of heat energy recovery and utilization. Phase change heat storage materials have good heat absorption and heat transfer properties, which can effectively reduce the loss in the process of heat transfer.

Shown in conjunction with Fig. 1 to Fig. 7, preferably, ventilation system comprises main control system, the data acquisition module that is connected with main control system and fresh air system 8, and main control system comprises microcontroller and A/D converter, data acquisition module Including an air quality detector installed indoors, a CO sensor and a smoke sensor, the fresh air system 8 includes a heat exchanger 81, an exhaust fan 82 and a fresh air fan 83, and the heat exchanger 81 is provided with a heat recovery exhaust duct 811 and a heat exchange air intake 812, the exhaust fan 82 is connected to the air inlet of the heat recovery exhaust duct 811 through the exhaust duct 821, the air outlet of the heat recovery exhaust duct 811 is connected to the outside, and the fresh air fan 83 is connected to the heat exchange inlet duct 812 through the fresh air duct 831 The air inlet of the heat exchange air inlet 812 is connected to the air outlet of the house, the exhaust air duct 821 is provided with a first filter device 84 for filtering the air flowing to the heat recovery exhaust air duct 811, and the fresh air duct 831 is provided with The second filtering device 85 for filtering the air flowing to the heat exchange air inlet channel 812 .

Preferably, the first filter device 84 is an activated carbon filter; the second filter device 85 includes a preliminary filter screen 86, an ionization zone 87, a dust collection net 88, and a composite filter screen 89 arranged in sequence along the flow direction of the wind;

The air quality detector is equipped with formaldehyde sensor, PM2.5 sensor, TVOC sensor and temperature and humidity sensor.

Preferably, the ventilation system also includes a humidifier and an air conditioner installed indoors and connected to the microcontroller; it also includes a window opener installed on the window and connected to the microcontroller; more preferably, the window opener is a spiral opener window.

The working principle of the convenient ventilation system of the utility model is as follows: the air quality detector, the CO sensor and the smoke sensor are responsible for real-time detection of the indoor air condition, and the analog signal is sent to the A/D converter, and the A/D converter will simulate After the signal is converted, it is sent to the microcontroller, and the microcontroller controls the exhaust fan 82, the fresh air fan 83 and the heat exchanger 81 to work according to the received signal, so as to ensure the safety and cleanliness of the indoor air in real time;

When the exhaust fan 82 starts, the exhaust fan 82 will discharge the indoor air to the exhaust duct 821, and filter it by the first filter device 84 to prevent harmful gases such as formaldehyde and CO from polluting the atmosphere; The indoor air will flow into the heat recovery exhaust duct 811 of the heat exchanger 81. The heat recovery exhaust duct 811 recovers the heat in the indoor air, and finally the indoor air that has undergone heat recovery is discharged from the air outlet of the heat recovery exhaust duct 811 to outdoor;

When the fresh air blower 83 starts, the fresh air blower 83 will draw the outdoor air into the fresh air duct 831, and filter it by the second filter device 85 to ensure that the air discharged into the room at last is clean and harmless; The clean air will flow into the heat exchange air inlet 812 of the heat exchanger 81; The fresh air is delivered to the indoor temperature, which is environmentally friendly and energy-saving; the clean air heated by the heat exchange air inlet channel 812 is exhausted from the air outlet of the heat exchange air inlet channel 812 to the room.

Preferably, the rainwater collection system includes a rainwater collection groove fixed on the roof 1 of the modular building, a rainwater delivery pipe, a rainwater filtration system, a large rainwater storage tank, a water pump and a rainwater high level tank; the rainwater collection system can make full use of the nature The water resources that fall naturally in the middle of the earth and make full use of them, do not use new energy sources, are ecological and environmentally friendly, and meet the requirements of low-carbon sustainable development.

Preferably, the corrugated color steel plate is made of FRP composite material; the inorganic fiber-carbon fiber electric heating floor heating plate is assembled by basalt fiber insulation board and carbon fiber electric heating wire; the floor insulation layer includes glass wool insulation layer, rock wool insulation layer, basalt One or more insulation layers.

Preferably, the modular building wall panel 2 sequentially includes a solar collector generator, a wall body and a thermal storage device from the outside to the inside of the house;

The solar thermal generator, the wall and the heat storage device are spliced by steel structures. The thermal storage device includes a metal frame arranged on the wall inside the house, and heat storage materials 22 or pebbles are arranged in the metal frame; the solar thermal generator includes a The coated metal plate 21 on the surface of the outer wall body, the surface of the coated metal plate 21 is inlaid with light-transmitting glass 20 or sunlight board; preferably, the body of wall includes a gypsum cement board inside the house and an outer galvanized color-coated steel plate, a gypsum cement board and a plated steel plate. Zinc color-coated steel plate is filled with flame-insulating insulation board material; its working principle is: sunlight passes through glass 20 or sunlight plate and shines on the coated metal plate 21 of the solar collector generator, after being transferred into heat, it passes through a certain device (such as Blower) blows heat into the house. When the hot air passes through the heat storage device, part of the heat is stored, and part of the heat will radiate into the house through the galvanized color-coated steel plate to achieve the heating effect. When there is no sunlight at night, the heat storage material 22 releases the stored heat and continues to radiate thermal energy.

In summary, compared with the prior art, the modular prefabricated house of the present utility model has the following advantages:

Beneficial effect:

(1) Since the modular assembly building mode can improve the industrialization degree of the building, each component module required by the house can realize mass industrial production in the factory, shorten the house construction cycle, and realize green construction, during the construction process Effectively control construction waste and construction dust, and achieve the goals of saving water, electricity, materials, energy, and time; and modules can be combined in different ways to meet the installation requirements of different geographical environments;

(2) Since the solar water heater, solar photovoltaic power generation system and wind power generation system are installed on the roof of the modular building, and the wind-solar complementary power consumption system composed of the solar photovoltaic power generation system and the wind power generation system can make full use of solar energy and wind energy to realize heating , domestic water, electricity and other needs to achieve energy self-sufficiency;

And because of the inorganic fiber-carbon fiber electric heating floor heating board in the modular building floor, the modular building wall panel can reduce the thermal bridge and improve the air tightness of the house, thereby ensuring the indoor night temperature and realizing energy saving.

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present utility model, some improvements and replacements can also be made. These improvements and replacements It should also be regarded as the protection scope of the present utility model.

Claims (9)

1. A modular prefabricated house, characterized in that it includes a modular building main structure, an integral bathroom for the assembly room, a solar water heater, a rainwater collection system, an FRP septic tank, an integral kitchen for the assembly room, and a A solar photovoltaic power generation system and a wind power generation system powered by electrical equipment in the house, and a wind-solar complementary power consumption system composed of the solar photovoltaic power generation system and the wind power generation system; The integral bathroom, solar water heater, FRP septic tank, and integrated kitchen for the assembly room are detachably installed on the main structure of the modular building; The main structure of the modular building includes a modular building roof, a modular building floor, a modular frame assembly, a modular door and window assembly, and a modular building wall panel for reducing thermal bridges and improving house air tightness; The roof of the modular building sequentially includes corrugated color steel plates, roof reinforcement layers, rock wool insulation layers, and glass wool insulation layers from the outside to the inside of the house; The modular building floor includes corrugated color steel plate, floor insulation layer, solid wood composite board, inorganic fiber-carbon fiber electric heating floor heating board, PVC fireproof and waterproof floor in sequence from the outside to the inside of the house; The modular door and window assembly includes energy-saving windows installed on the modular building wall panels, and a ventilation system for providing fresh air in the house and recovering the heat of the air in the house; The solar water heater, rainwater collection system, solar photovoltaic power generation system and wind power generation system are all arranged on the roof of the modular building; The water outlet of the rainwater collection system is connected to the water inlet of the solar water heater, and the water outlet of the solar water heater is connected to the integral bathroom of the assembled house and/or other water-using equipment in the house. 2. The modular prefabricated house according to claim 1, wherein the energy-saving window comprises a passive thermal storage window frame fixedly connected to the modular building wall panel, and the edge part is embedded in the passive thermal storage window frame. Glass panels on thermal window frames; The passive thermal storage window frame includes an inner frame plate embedded with the glass plate, and a peripheral frame groove that is fixedly connected with the modular building wall panel and buckled with the inner frame plate; A second cavity is provided between the surrounding frame plate and the peripheral frame groove, a thermal energy generating device and a storage battery are arranged in the second cavity, and the output end of the thermal energy generating device is connected to the input end of the storage battery; The peripheral frame groove is composed of a thermal insulation frame plate on the negative side and a passive heat storage frame plate on the positive side. The heat-absorbing hollow plate that is adapted to be connected to the heat-insulating frame plate, the phase-change heat storage material filled in the heat-absorbing hollow plate, and the heat conduction device whose heat-absorbing end is soaked in the phase change heat storage material, the heat conduction The output end of the device is connected with the input end of the thermal power generation device. 3. The modular prefabricated house according to claim 2, wherein the heat conduction device is also provided with a heat conduction sheet located in the second cavity, and the heat conduction sheet and the heat-absorbing hollow plate The surfaces are tightly bonded; a heat shield covering the heat conducting sheet is also provided in the second cavity. 4. The modular prefabricated house according to claim 1 or 2, wherein the ventilation system comprises a main control system, a data acquisition module connected with the main control system and a fresh air system, and the main control system It includes a microcontroller and an A/D converter. The data acquisition module includes an air quality detector, a CO sensor and a smoke sensor installed indoors. The fresh air system includes a heat exchanger, an exhaust fan and a fresh fan. The exchanger is provided with a heat recovery exhaust duct and a heat exchange air intake duct, the exhaust fan is connected to the air inlet of the heat recovery exhaust duct through an exhaust duct, and the air outlet of the heat recovery exhaust duct communicates with the outside , the fresh air fan is connected to the air inlet of the heat exchange air inlet through the fresh air duct, the air outlet of the heat exchange air inlet is connected to the house, and the exhaust air duct is provided with a convective airflow to the heat recovery exhaust A first filtering device for filtering the air in the air duct, and a second filtering device for filtering the air flowing to the heat exchange air inlet duct is provided on the fresh air duct. 5. The modular prefabricated house according to claim 4, wherein the first filtering device is an activated carbon filter; The second filtering device includes a preliminary filter screen, an ionization area, a dust collection screen, and a composite filter screen arranged in sequence along the flow direction of the wind; The air quality detector is provided with a formaldehyde sensor, a PM2.5 sensor, a TVOC sensor and a temperature and humidity sensor. 6. The modular prefabricated house according to claim 1, wherein the rainwater collection system comprises a rainwater collection groove fixed on the roof of the modular building, a rainwater delivery pipe, a rainwater filtration system, a large rainwater Storage tanks, pumps and stormwater headers. 7. The modular prefabricated house according to claim 1, wherein the corrugated color steel plate is made of FRP composite material. 8. The modular prefabricated house according to claim 1, wherein the inorganic fiber-carbon fiber electric heating floor heating board is assembled by basalt fiber insulation board and carbon fiber electric heating wire. 9. The modular prefabricated house according to claim 1, wherein the floor insulation layer comprises one or more of glass wool insulation layer, rock wool insulation layer, and basalt insulation layer.