CN104634814A - Indoor heat environment experiment device with phase-change material curtain wall on one side and application method of indoor heat environment experiment device - Google Patents

Abstract

The invention belongs to the technical fields of energy conservation and environment protection, and particularly relates to an indoor heat environment experiment device with a phase-change material curtain wall on one side and an application method of the indoor heat environment experiment device. The experiment device comprises five parts, namely a simulated solar heat source system, an embedded phase-change material glass curtain wall system, a room simulation system, an airflow circulation system and a cold source system in all, and a simulated solar energy heating device, a solar radiation detection device, a temperature control and data collection system, a phase-change material, a phase-change material encapsulation device, a fixing device of the phase-change material encapsulation device, an embedded phase-change material glass curtain wall ventilating opening device, a tracer gas emitter, a miniature fan, an infrared imager, an air speed detection device and a cooling device. According to the indoor heat environment experiment device, various devices can be sectionally dismantled and assembled; the size of the curtain wall system can be regulated and controlled; mounting and debugging are facilitated; the controllability is high; the wall body material of the overall device utilizes tempered glass, so that observation is easy.

Description

Indoor thermal environment experimental device with a phase change material curtain wall on one side and its application method

Technical field:

The invention belongs to the technical field of energy saving and environmental protection, and in particular relates to an indoor thermal environment experimental device with a phase change material curtain wall on one side and a method for using it.

Background technique:

According to statistics, the energy consumption related to buildings accounts for about 30% of the total energy consumption. Therefore, building energy conservation has become the top priority of energy conservation and emission reduction, and it is imperative to reduce building energy consumption. A large number of practical applications have shown that effective and reasonable use of solar energy can significantly reduce building energy consumption, thereby reducing the use of fossil fuels. For example, the popularization of new double-layer glass curtain walls with phase change materials in a large area and in multiple regions can effectively use solar energy. Further reduce energy consumption. my country has a vast territory, and the solar radiation energy presents the characteristics of "low in the south and high in the north", which makes my country's high-latitude cold regions rich in solar energy resources, and has excellent geographical conditions for the promotion of new double-layer glass curtain walls with phase change materials.

The development of new double-glazed curtain walls with phase change materials can not only meet people's requirements for building thermal comfort, but also play a role in energy conservation and environmental protection. The quality of the indoor thermal environment directly reflects the functional effect of the curtain wall system, so the development of an indoor thermal environment detection experimental device with a phase change material glass curtain wall has important application value.

Invention content:

The invention provides an experimental device with reasonable structure, convenient use, safety, reliability, energy saving and environmental protection, and proposes an indoor thermal environment experimental device with a phase-change material curtain wall on one side and its use method, which can be used in various colleges and universities Promotion and use of scientific research units.

The technical scheme adopted in the present invention is: an indoor thermal environment experimental device with a phase change material curtain wall on one side and its use method. System Ⅲ, cold source system Ⅳ and air circulation system Ⅴ; simulated solar heat source system Ⅰ includes simulated solar heating device and solar radiation detection device; embedded phase change material glass curtain wall system Ⅱ includes phase change material, detachable louvers, electric heating sheet , grid slats and anchor bolts, the phase change materials are water and paraffin phase change materials, the detachable louvers are packaged by tempered glass, the phase change materials and electric heating sheets are located inside the detachable louvers, and the detachable louvers pass through the anchor bolts Installed on the grid slats and can be rotated, the grid slats are anchored by anchor bolts on the wall of the glass curtain wall system II embedded with phase change materials; the room simulation system III includes foam board roofs, air conditioning systems, lighting systems, heating systems, Small beds, small desks, plants, and miniature doors; the cold source system IV includes transparent cooling water tanks, small water pumps, water pipes, small cooling towers, throttle valves, and water storage buckets. The transparent cooling water tanks and water storage buckets are laid along the ground. The small water pump and the water pipe connected to it are laid overhead. One end of the small water pump is connected to the upper part of the transparent cooling water tank through the water pipe, and the other end of the small water pump is connected to the small cooling tower through the water pipe. The top of the water delivery, the water storage tank is connected to the lower part of the transparent cooling water tank through the water delivery pipe and a throttle valve is set in the middle, the material of the water delivery pipe is PPR material, and the connection of the water delivery pipe is connected by a ferrule connection; the air circulation system Ⅴ Including controllable size curtain wall vent device, controllable size ventilation baffle, tracer gas emitter, small fan, card slot, infrared imager, wind speed detection device, temperature control and data acquisition system, tracer gas emitter through An infrared imager is used to detect the flow of the tracer gas. The tracer gas emitter and the small fan are located at the bottom of the glass curtain wall system II embedded with the phase change material; the glass curtain wall system I embedded with the phase change material and the air circulation system V And the transparent cooling water tank in the cold source system IV is made of transparent tempered glass or resin material and is composed of glass glue; the simulated solar heating device is located in the simulated solar heat source system I and has a frontal radiation embedded with a phase change material glass curtain wall System II; the internal space of the simulated solar heat source system I is equipped with a solar radiation detection device; the internal space of the embedded phase change material glass curtain wall system II and the room simulation system III is equipped with a solar radiation detection device and wind speed monitoring device and temperature control and data acquisition system, the temperature control and data acquisition system includes a data collector, computer, temperature detection device, data receiver, circuit and temperature adjustment controller, the data collector is respectively connected to the computer, temperature detection device, The data receiver, circuit, temperature adjustment controller, solar radiation detection device and wind speed monitoring device are connected, and the solar radiation detection device, wind speed monitoring device and temperature detection device are located in the internal space of the glass curtain wall system II and room simulation system III embedded with phase change materials different locations.

The temperature detection device is a T-type thermocouple, and the T-type thermocouple and measuring points are arranged at 1/4, 2/4 and 3/4 of the space from the bottom of the wall.

The wavelength band of the light source of the device for simulating solar radiation is 280-3000nm.

The model of the temperature control data collector is BES-02, which measures and records the indoor temperature through thermocouples.

The measurement accuracy of the solar radiation detection device is less than 5%, and its sensing devices are located at various monitoring points in the glass curtain wall system II and the room simulation system III embedded with phase change materials.

The air volume of the small fan is 15m ³ /min, and it is located at the bottom of the glass curtain wall system II embedded with phase change materials to promote the formation of circulating airflow between the glass curtain wall system II embedded with phase change materials and the room simulation system III.

The model of the wind speed detection device is TM-414, with a sensitivity of 0.4m/s. The sensing device is located at each monitoring point in the glass curtain wall system II embedded with phase change material and the room simulation system III.

In the cooling system IV, the motor power of the small cooling tower is 2.2KW, the model is 70T, and the capacity of the water storage bucket is a 2000L PE material bucket.

The card slot has the function of adjusting the size of the glass curtain wall system II with embedded phase change material and the room simulation system III, and can fix the glass curtain wall system II with embedded phase change material.

A method for using an indoor thermal environment experimental device with a phase-change material curtain wall on one side. The operating steps of the experimental device mainly include 10 steps.

Step 1: According to the structure of the test bench, arrange the monitoring points. Before the first operation, conduct sensitivity debugging and performance testing of various equipment required, especially electronic sensing equipment.

Step 2: Install the detachable louvers, there is no phase change material in the detachable louvers, test the temperature of various parts in the glass curtain wall system II and room simulation system III embedded with phase change materials, record the filing data D1-1, start the small water pump , fill the transparent cooling water tank with cooling water, open the throttle valve to circulate the water flow, and turn on the small fan to fully circulate the air flow between the glass curtain wall system II with embedded phase change material and the room simulation system III, and pass the test of the wind speed monitoring device After the air volume is stabilized, turn off the power of the small fan, stop the air supply, and test the temperature changes of various parts of the glass curtain wall system II and room simulation system III embedded with phase change materials during this period of time, and Record the filing data D1-2, turn on the power of the simulated solar radiation device and wait for 20 minutes of preheating, then turn on the tracer gas transmitter to release the tracer gas, simulate the heat transfer during the day without phase change materials, and record it through the infrared imager Follow up with the built-in phase change material glass curtain wall system Ⅱ and room simulation system Ⅲ gas flow M1-1, if the flow is not obvious, turn on the small fan as needed and adjust the air volume, continue to record the embedded phase Change material glass curtain wall system II and room simulation system III gas flow conditions M1-2, and test the temperature changes of various parts in the embedded phase change material glass curtain wall system II and room simulation system III until it is stable, and record the filing data D1- 3.

Step 3: The other conditions mentioned above remain unchanged, turn off the power of the simulated solar radiation device, turn on the power of the electric heating sheet, heat the detachable louvers to radiate heat, simulate the heat transfer at night without phase change materials, record and shoot Gas flow conditions M1-3 in glass curtain wall system II and room simulation system III embedded with phase change materials, and test the temperature changes of various parts of glass curtain wall system II and room simulation system III embedded with phase change materials, and record the filing data D1- 4.

Step 4: After the device returns to the state before the operation step 2, perform the same operation as step 2, install the detachable louvers, there is phase-change material water in the louvers, and test the embedded phase-change material glass curtain wall system II and room simulation system III The temperature of each part in the center, and record the filing data D2-1; turn on the small water pump to fill the transparent cooling water tank with cooling water, turn on the throttle valve to circulate the water flow, turn on the small fan, and make the embedded phase change material glass curtain wall system II and the room The air flow between the simulation system III can be fully circulated, and the air volume is adjusted through the test data of the wind speed monitoring device. After stabilization, the power of the small fan is turned off, the air supply is stopped, and the glass curtain wall system II and the embedded phase change material are tested. The temperature change of each part in the room simulation system III within this time period, and record the filing data D2-2, turn on the power supply of the simulated solar radiation device to warm up for 20 minutes, then turn on the tracer gas transmitter to release the tracer gas, Simulate the heat transfer of water with phase change materials during the day, record and take pictures of the gas flow conditions M2-1 in the glass curtain wall system II and room simulation system III with embedded phase change materials through the infrared imager, if the flow conditions are not obvious, Turn on the small fan and adjust the air supply volume, continue to record and take pictures of the gas flow in the glass curtain wall system II with embedded phase change material and the room simulation system III M2-2, and test the glass curtain wall system II with embedded phase change material and the room The temperature of each part in the simulation system III changes until it is stable, and the record data D2-3 is recorded.

Step 5: The other conditions above remain unchanged, turn off the power of the simulated solar radiation device, turn on the power of the electric heating sheet, and heat the detachable louvers to radiate heat, simulate the heat transfer situation of the phase change material at night, and record the internal Gas flow in the glass curtain wall system II and room simulation system III embedded with phase change materials M2-3, and test the temperature changes of various parts in the glass curtain wall system II embedded with phase change materials and room simulation system III until it is stable, and record the data for filing D2-4.

Step 6: After the experimental device returns to the state before operation step 2, perform the same operation as step 2, install the detachable louver, which contains phase change material paraffin, and test the embedded phase change material glass curtain wall system II and The temperature of each part in the room simulation system III, and record the filing data D3-1, turn on the small water pump, fill the transparent cooling water tank with cooling water, turn on the throttle valve to circulate the water flow, turn on the small fan, and make the embedded phase change material glass The airflow between the curtain wall system II and the room simulation system III can be fully circulated, and the air volume is adjusted through the test data of the wind speed monitoring device. After stabilization, the power of the small fan is turned off, the air supply is stopped, and the embedded phase change material is tested. The temperature changes of each part in the glass curtain wall system II and the room simulation system III within this period of time, and record the filing data D3-2, turn on the power of the simulated solar radiation device and wait for 20 minutes of preheating, then turn on the tracer gas transmitter, Release tracer gas to simulate the heat transfer of paraffin with phase change material during the day, record and follow up the gas flow in glass curtain wall system II and room simulation system III with embedded phase change material through infrared imager M3-1, if the flow condition Not obvious, turn on the small fan as needed and adjust the air supply volume, continue to record and take pictures of the gas flow in the glass curtain wall system II with embedded phase change material and room simulation system III M3-2, and test the glass with embedded phase change material The temperature change of each part in the curtain wall system II and the room simulation system III is stable, and the record data D3-3 is recorded.

Step 7: Keep the above other conditions unchanged, turn off the power of the simulated solar radiation device, turn on the power of the electric heating sheet, heat the detachable louvers to radiate heat, simulate the heat transfer situation of paraffin with phase change material at night, record and shoot M3-3 of the gas flow in the glass curtain wall system II with embedded phase change material and the room simulation system III, and test the temperature change of each part in the glass curtain wall system II with embedded phase change material and the room simulation system III until it is stable, record and file Data D3-4.

Step 8: Obtain the radiation intensity of the simulated solar radiation device at a stable moment.

Step 9: Summarize the data.

Step 10: Change the size of the glass curtain wall system II with embedded phase change material by controlling the size of the curtain wall and the room simulation system and fixing the card slot, and repeat the above operation steps respectively.

Beneficial effects of the present invention: provide an experimental device with reasonable structure, convenient use, safety, reliability, energy saving and environmental protection, design an indoor thermal environment experimental device with a phase change material curtain wall on one side, through temperature control and data acquisition device, The spectroscopic pyranometer and the wind speed detection device measure and test the real-time data in the glass curtain wall system II and the room simulation system III embedded in the device under different conditions. The louvers of the packaged phase change material device are detachable, which is convenient for installation and debugging, so as to facilitate the comparative study of the influence of different phase change material louvers on the indoor thermal environment. The invention intends to use simulated solar light source, each device can be disassembled and assembled in sections, the size of the curtain wall system can be adjusted, easy to install and debug, and has strong controllability; the wall material of the whole device is made of toughened glass, which is easy to observe and related parameters are easy to measure have to.

Description of drawings:

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the structure of the room simulation system III.

Detailed ways:

Referring to Figure 1 and Figure 2, an indoor thermal environment experimental device with a phase change material curtain wall on one side and its use method, the experimental device includes a simulated solar heat source system I, a glass curtain wall system embedded with phase change material II, and a room simulation system III. Cold source system IV and air circulation system V; simulated solar heat source system I includes simulated solar heating device 11 and solar radiation detection device; embedded phase change material glass curtain wall system II includes phase change material 21, detachable louvers 22, electric Heating sheet 23, grid strip 24 and anchor bolt 25, phase change material 21 is water, paraffin phase change material, detachable louver 22 is composed of tempered glass package, phase change material 21 and electric heating sheet 23 are located in the detachable louver 22, the detachable louvers 22 are installed on the grille slats 24 through the anchor bolts 25 and can be rotated, and the grille slats 24 are anchored to the wall surface of the glass curtain wall system II embedded with phase change materials through the anchor bolts 25; room simulation System III includes foam board roof 31, air conditioning system 32, lighting system 33, heating system 34, small bed 35, small desk 36, plant 37 and miniature door 38; cold source system IV includes transparent cooling water tank 41, small water pump 42, Water pipe 43, small cooling tower 44, throttle valve 45 and water storage bucket 46, transparent cooling water tank 41 and water storage bucket 46 are laid along the ground, small water pump 42 is laid overhead together with the water delivery pipe 43 connected therewith, and one end of small water pump 42 passes through The water delivery pipe 43 is connected with the top of the transparent cooling water tank 41, and the other end of the small water pump 42 is connected with the small cooling tower 44 by the water delivery pipe 43, and the small cooling tower 44 delivers water to the top of the water storage bucket 46 by the water delivery pipe 43, and the water storage bucket 46 is connected to the lower part of the transparent cooling water tank 41 through the water delivery pipe 43 and a throttle valve 45 is arranged in the middle. Controllable size curtain wall vent device 51, controllable size ventilation baffle 52, tracer gas emitter 54, small fan 55, card slot 56, infrared imager, wind speed detection device, temperature control and data acquisition system, tracer gas The transmitter 54 detects the flow of the tracer gas through the infrared imager, and the tracer gas emitter 54 and the small fan 55 are located at the bottom of the glass curtain wall system II embedded with the phase change material; the glass curtain wall system embedded with the phase change material Ⅰ. The material of the transparent cooling water tank 41 in the air circulation system V and the cold source system IV is transparent tempered glass or resin material and is composed of glass glue packaging; the simulated solar heating device 11 is located in the simulated solar heat source system Ⅰ and front Radiation-embedded phase-change material glass curtain wall system II; the internal space of the simulated solar heat source system I is equipped with a solar radiation detection device; the internal space of the embedded phase-change material glass curtain wall system II and room simulation system III is equipped with There are solar radiation detection devices, wind speed monitoring devices, and temperature control and data acquisition systems. The temperature control and data acquisition systems include data collectors, computers, temperature detection devices, data receivers, circuits and temperature adjustment controllers, and data acquisition systems. The device is connected to the computer, temperature detection device, data receiver, circuit, temperature adjustment controller, solar radiation detection device and wind speed monitoring device through wires. The solar radiation detection device, wind speed monitoring device and temperature detection device are located in the embedded phase change material. Different positions in the inner space of the glass curtain wall system II and the room simulation system III; the temperature detection device is a T-type thermocouple, and the T-type thermocouple and the measuring points are arranged at 1/4, 2/4 and 3/4 from the bottom end of the wall 4 spatial positions; the light source band of the simulated solar radiation device 11 is 280-3000nm; the temperature control data collector model is BES-02, and the indoor temperature is measured and recorded by a thermocouple; the solar The measurement accuracy of the radiation detection device is less than 5%, and its sensing device is located at each monitoring point in the glass curtain wall system II embedded with phase change material and the room simulation system III; the air supply volume of the small fan 55 is 15m ³ /min, Located at the bottom of the glass curtain wall system II with embedded phase change materials to promote the formation of circulating airflow 53 between the glass curtain wall system II with embedded phase change materials and the room simulation system III; the model of the wind speed detection device is TM-414, and the sensitivity reaches 0.4m/s, the induction device is located at each monitoring point in the glass curtain wall system II embedded with phase change material and the room simulation system III; in the cooling system IV, the motor power of the small cooling tower 44 is 2.2KW, the model It is 70T, and the capacity of the water storage bucket 46 is 2000L PE material bucket; the card slot 56 has the function of adjusting the size of the embedded phase change material glass curtain wall system II and the room simulation system III, and can fix the embedded phase change material. Material glass curtain wall system II; the side of the phase change ventilation curtain wall 26 is provided with a micro door 38; "△" in the figure indicates the solar radiation monitoring point, "◎" indicates the temperature control monitoring point, "×" indicates the gas flow rate monitoring point.

A method for using an indoor thermal environment experimental device with a phase-change material curtain wall on one side. The operating steps of the experimental device mainly include 10 steps.

Step 1: According to the structure of the test bench, arrange the monitoring points. Before the first operation, conduct sensitivity debugging and performance testing of various equipment required, especially electronic sensing equipment.

Step 2: Install detachable louvers 22, no phase change material 21 inside the detachable louvers 22, test the temperature of each part in the glass curtain wall system II and room simulation system III with embedded phase change materials, and record the filing data D1-1, Start the small water pump 42 to fill the transparent cooling water tank 41 with cooling water, open the throttle valve 45 to circulate the water flow, and turn on the small fan 55 to make the air flow between the glass curtain wall system II embedded with phase change material and the room simulation system III sufficient Circulation, adjust the air supply volume through the test data of the wind speed monitoring device. After it is stable, turn off the power supply of the small fan 55, stop the air supply, and test the various parts of the glass curtain wall system II and room simulation system III embedded with phase change materials. The temperature changes within the time period, and record the filing data D1-2, turn on the power supply of the simulated solar radiation device 11 and wait for 20 minutes of preheating, then turn on the tracer gas emitter 54, release the tracer gas, and simulate the situation without phase change material 21 During the daytime heat transfer, the infrared imager is used to record and take pictures of the gas flow M1-1 in the glass curtain wall system II and room simulation system III embedded with phase change materials. If the flow is not obvious, turn on the small fan 55 and debug it as needed The amount of air supply, continue to record and record the gas flow conditions M1-2 in the glass curtain wall system II embedded with phase change materials and the room simulation system III, and test each of the glass curtain wall system II embedded with phase change materials and the room simulation system III. The temperature of the part changes until it is stable, and the record data D1-3 is recorded.

Step 3: Keep the other conditions above unchanged, turn off the power supply of the simulated solar radiation device 11, turn on the power supply of the electric heating sheet 23, heat the detachable louver 22 to radiate heat, and simulate the heat transfer at night without the phase change material 21 , record the gas flow conditions M1-3 in the glass curtain wall system II embedded with phase change materials and the room simulation system III, and test the temperature changes of various parts of the glass curtain wall system II embedded with phase change materials and the room simulation system III, record Filing data D1-4.

Step 4: After the device returns to the state before operation step 2, perform the same operation as step 2, install the detachable louver 22, there is phase change material water in the louver, and test the embedded phase change material glass curtain wall system II and the room simulation system The temperature of each part in III, and record the record data D2-1; turn on the small water pump 42 to fill the transparent cooling water tank 41 with cooling water, turn on the throttle valve 45 to circulate the water flow, turn on the small fan 55, and make the embedded phase change material glass The air flow between the curtain wall system II and the room simulation system III can be fully circulated, and the air supply volume is adjusted through the test data of the wind speed monitoring device. After stabilization, the power of the small fan 55 is turned off, the air supply is stopped, and the built-in phase change is tested. Materials Change the temperature of each part in the glass curtain wall system II and the room simulation system III within the time period, and record the filing data D2-2, turn on the power supply of the simulated solar radiation device 11 to preheat for 20 minutes, and then start the emission of the apocalypse gas device 54, releasing tracer gas, simulating the heat transfer situation of water with phase change material during the day, recording and tracking the gas flow conditions M2-1 in the glass curtain wall system II with embedded phase change material and room simulation system III through the infrared imager, If the flow situation is not obvious, turn on the small fan 55 as needed and adjust the air supply volume, continue to record and shoot the gas flow situation M2-2 in the glass curtain wall system II with embedded phase change material and the room simulation system III, and test the built-in The temperature change of each part in the phase change material glass curtain wall system II and the room simulation system III is stable, and the record data D2-3 is recorded.

Step 5: Keep the above other conditions unchanged, turn off the power supply of the simulated solar radiation device 11, turn on the power supply of the electric heating sheet 23, and heat the detachable louver 22 to radiate heat, simulating the heat transfer situation of the phase change material 21 at night, Record and shoot the gas flow M2-3 in the glass curtain wall system II with embedded phase change material and the room simulation system III, and test the temperature changes of various parts in the glass curtain wall system II with embedded phase change material and room simulation system III until it stabilizes , record the filing data D2-4.

Step 6: After the experimental device returns to the state before operation step 2, perform the same operation as step 2, install the detachable louver 22, which contains phase change material paraffin, and test the glass curtain wall system with embedded phase change material II and the temperature of each part in the room simulation system III, and record the filing data D3-1, turn on the small water pump 42, fill the transparent cooling water tank 41 with cooling water, turn on the throttle valve 45 to circulate the water, turn on the small fan 55, and The airflow between the glass curtain wall system II with embedded phase change material and the room simulation system III can be fully circulated, and the air supply volume can be adjusted through the test data of the wind speed monitoring device. After stabilization, turn off the power supply of the small fan 55 and stop the air supply , test the temperature change of each part in the glass curtain wall system II with embedded phase change material and the room simulation system III within this period of time, and record the filing data D3-2, turn on the power of the simulated solar radiation device 11 and wait for 20 minutes of preheating , turn on the tracer gas transmitter 54 to release the tracer gas, simulate the heat transfer situation of paraffin with phase change material during the day, record and follow up the gas in the glass curtain wall system II and room simulation system III embedded with phase change material through the infrared imager Flow situation M3-1, if the flow situation is not obvious, turn on the small fan 55 and adjust the air supply volume according to the need, continue to record and follow up the gas flow situation in the glass curtain wall system II with embedded phase change material and the room simulation system III M3- 2. Test the temperature changes of various parts in the glass curtain wall system II and room simulation system III embedded with phase change materials until it is stable, and record the filing data D3-3.

Step 7: Keep the above other conditions unchanged, turn off the power supply of the simulated solar radiation device 11, turn on the power supply of the electric heating sheet 23, and heat the detachable louver 22 to radiate heat, simulating the heat transfer situation of paraffin with phase change material at night, Record and shoot the gas flow in the glass curtain wall system II with embedded phase change material and the room simulation system III M3-3, and test the temperature changes of various parts in the glass curtain wall system II with embedded phase change material and room simulation system III until it stabilizes , record the filing data D3-4.

Step 8: Obtain the radiation intensity of the simulated solar radiation device 11 at a stable moment.

Step 9: Summarize the data.

Step 10: Change the size of the glass curtain wall system II with embedded phase change material by controlling the size of the curtain wall and the room simulation system and fixing the card slot 56, and repeat the above operation steps respectively.

The experimental device of the present invention is reasonable in structure, easy to use, safe, reliable, energy-saving and environment-friendly, and an indoor thermal environment experimental device with a phase change material curtain wall on one side is designed, through temperature control and data acquisition device, spectral pyranometer and wind speed detection Device measurement and testing Under different conditions, the device is embedded with phase change material glass curtain wall system II and real-time data in the room simulation system III. It is proposed to use simulated solar light source. Each device can be disassembled and assembled in sections. The size of the curtain wall system can be adjusted, which is convenient for installation and debugging. , strong controllability; the wall material of the whole device is made of toughened glass, which is easy to observe and measure relevant parameters.

Claims (10)

1. side is with an indoor thermal environment experimental provision for phase-change material curtain wall, it is characterized in that: this experimental provision comprises simulated solar heat source system I, embedded phase-change material glass curtain wall system II, room analogue system III, cold source system IV and airflow circulating system V, simulated solar heat source system I comprises analog solar electro-heat equipment (11) and solar radiation pick-up unit, embedded phase-change material glass curtain wall system II comprises phase-change material (21), detachable blinds (22), electric heating sheets (23), grid lath (24) and crab-bolt (25), phase-change material (21) is water, paraffin class phase-change material, detachable blinds (22) is by tempered glass encapsulation composition, phase-change material (21) and electric heating sheets (23) are positioned at the inside of detachable blinds (22), detachable blinds (22) is installed on grid lath (24) by crab-bolt (25) and above also can rotates, grid lath (24) is anchored on the wall of embedded phase-change material glass curtain wall system II by crab-bolt (25), room analogue system III comprises cystosepiment roof (31), air-conditioning system (32), illuminator (33) heating system (34), small-sized bed (35), minimized office table (36), plant (37) and micro door (38), cold source system IV comprises transparent cooling water tank (41), small pump (42), water-supply-pipe (43), small-sized cooling tower (44), throttling valve (45) and water storage barrel (46), transparent cooling water tank (41) and water storage barrel (46) lay along ground, small pump (42) lays together with connected water-supply-pipe (43) is built on stilts, one end of small pump (42) is connected with the top of transparent cooling water tank (41) by water-supply-pipe (43), the other end of small pump (42) is connected with small-sized cooling tower (44) by water-supply-pipe (43), small-sized cooling tower (44) is by the top water delivery of water-supply-pipe (43) to water storage barrel (46), water storage barrel (46) to be connected with the bottom of transparent cooling water tank (41) by water-supply-pipe (43) and centre is provided with throttling valve (45), the material of water-supply-pipe (43) is PPR material, the junction of water-supply-pipe (43) adopts cutting ferrule connected mode to connect, airflow circulating system V comprises controlled dimensions curtain aeration mouth device (51), controlled dimensions air deflector (52), tracer gas transmitter (54), small-sized fan (55), draw-in groove (56), infrared thermoviewer, wind speed detection device and temperature and controls and data acquisition system (DAS), tracer gas transmitter (54) detects the flowing of tracer gas by infrared thermoviewer, tracer gas transmitter (54) and small-sized fan (55) are positioned at the bottom of embedded phase-change material glass curtain wall system II, the material of the transparent cooling water tank (41) in described embedded phase-change material glass curtain wall system I, airflow circulating system V and cold source system IV is transparent toughened glass or resin material and by glass cement encapsulation composition, described analog solar electro-heat equipment (11) is positioned at simulated solar heat source system I and the embedded phase-change material glass curtain wall system II of head-on radiation, the inner space of described simulated solar heat source system I is provided with solar radiation pick-up unit, described embedded phase-change material glass curtain wall system II and the inner space of room analogue system III are provided with solar radiation pick-up unit, air monitoring device and temperature control and data acquisition system (DAS), temperature controls to comprise data acquisition unit with data acquisition system (DAS), computing machine, temperature-detecting device, data sink, circuit and temperature regulation controller, data acquisition unit by wire respectively with computing machine, temperature-detecting device, data sink, circuit, temperature regulation controller, solar radiation pick-up unit and air monitoring device connect, solar radiation pick-up unit, air monitoring device and temperature-detecting device are positioned at the diverse location of embedded phase-change material glass curtain wall system II and room analogue system III inner space.

2. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: described temperature-detecting device is T-shaped thermopair, and T-shaped thermopair and point layout are in the locus apart from wall bottom 1/4,2/4 and 3/4.

3. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that, the light source wave band of described analog solar radiation appliance (11) is 280-3000nm.

4. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: described temperature control data acquisition unit model is BES-02, is measured and record indoor temperature by thermopair.

5. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: the measuring accuracy of described solar radiation pick-up unit is less than 5%, its induction installation is positioned at each monitoring point place of embedded phase-change material glass curtain wall system II and room analogue system III.

6. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: described small-sized fan (55) air output is 15m ³/ min, is positioned at the bottom of embedded phase-change material glass curtain wall system II, to promote to form circulating current (53) between embedded phase-change material glass curtain wall system II and room analogue system III.

7. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: described wind speed detection device model is TM-414, sensitivity reaches 0.4m/s, and its induction installation is positioned at each monitoring point place of embedded phase-change material glass curtain wall system II and room analogue system III.

8. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: in described cooling system IV, the power of motor of small-sized cooling tower (44) is 2.2KW, and model is 70T, and the capacity of water storage barrel (46) is the PE material bucket of 2000L.

9. side according to claim 1 is with the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: described draw-in groove (56) has the function of the size regulating embedded phase-change material glass curtain wall system II and room analogue system III, and can fix embedded phase-change material glass curtain wall system II.

10. side is with a using method for the indoor thermal environment experimental provision of phase-change material curtain wall, it is characterized in that: the operation steps of this experimental provision mainly comprises 10 steps;

Step 1: according to the structure of testing table, arranged monitoring point, before operation first, carries out sensitivity debugging and Performance Detection to required various equipment, particularly electronic induction equipment;

Step 2: load onto detachable blinds (22), without phase-change material (21) in detachable blinds (22), test the temperature at each position in embedded phase-change material glass curtain wall system II and room analogue system III, the data D1-1 and record is put on record, start small pump (42), transparent cooling water tank (41) is made to fill chilled water, open throttling valve (45) and make water circulation, open small-sized fan (55), make embedded phase-change material glass curtain wall system II, between room analogue system III, air-flow is able to sufficient circulation, air output size is debugged by the data of air monitoring device to test, after stable, close the power supply of small-sized fan (55), out-of-blast, test embedded phase-change material glass curtain wall system II and each position of room analogue system III temperature variation within this time period, the data D1-2 and record is put on record, open the power supply of analog solar radiation appliance (11) until preheating after 20 minutes, open tracer gas transmitter (54), release tracer gas, simulate the heat transfer without phase-change material (21) situation lower daytime, by infrared thermoviewer record with clapping embedded phase-change material glass curtain wall system II, gas mobility status M1-1 in room analogue system III, if mobility status is not obvious, open small-sized fan (55) as required and debug air output size, continue record with clapping embedded phase-change material glass curtain wall system II, gas mobility status M1-2 in room analogue system III, and test the temperature variation at each position in embedded phase-change material glass curtain wall system II and room analogue system III until stable, record the data D1-3 that puts on record,

Step 3: other above-mentioned condition is constant, close the power supply of analog solar radiation appliance (11), open the power supply of electric heating sheets (23), heating makes detachable blinds (22) give off heat, simulate the heat transfer without phase-change material (21) situation lower night, record is with the gas mobility status M1-3 clapped in embedded phase-change material glass curtain wall system II, room analogue system III, and test the temperature variation at embedded phase-change material glass curtain wall system II, each position of room analogue system III, record the data D1-4 that puts on record;

Step 4: after the state before device recovery operation step 2, carry out the operation as step 2, load onto detachable blinds (22), phase-change material water is had in blinds, test the temperature at each position in embedded phase-change material glass curtain wall system II and room analogue system III, the data D2-1 and record is put on record, opening small pump (42) makes transparent cooling water tank (41) fill chilled water, open throttling valve (45) and make water circulation, open small-sized fan (55), air-flow between embedded phase-change material glass curtain wall system II and room analogue system III is made to be able to sufficient circulation, air output size is debugged by the data of air monitoring device to test, after stable, close the power supply of small-sized fan (55), out-of-blast, test the temperature variation of each position within this time period in embedded phase-change material glass curtain wall system II and room analogue system III, the data D2-2 and record is put on record, open the power supply preheating of analog solar radiation appliance (11) after 20 minutes, open tracer gas transmitter (54), release tracer gas, simulate the situation having phase-change material water-white sky to conduct heat, by infrared thermoviewer record with the gas mobility status M2-1 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, if mobility status is not obvious, open small-sized fan (55) as required and debug air output size, continue record with the gas mobility status M2-2 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, and test the temperature variation at each position in embedded phase-change material glass curtain wall system II and room analogue system III until stable, record the data D2-3 that puts on record,

Step 5: other above-mentioned condition is constant, close the power supply of analog solar radiation appliance (11), open the power supply of electric heating sheets (23), heating makes detachable blinds (22) to give off heat, simulation has the heat transfer situation at phase-change material (21) night, record is with the gas mobility status M2-3 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, and test the temperature variation at each position in embedded phase-change material glass curtain wall system II and room analogue system III until stable, record the data D2-4 that puts on record;

Step 6: after the state before experimental provision returns to operation steps 2, carry out the operation as step 2, load onto detachable blinds (22), detachable blinds has phase-change material paraffin in (22), test the temperature at each position in embedded phase-change material glass curtain wall system II and room analogue system III, the data D3-1 and record is put on record, open small pump (42), transparent cooling water tank (41) is made to fill chilled water, open throttling valve (45) and make water circulation, open small-sized fan (55), air-flow between embedded phase-change material glass curtain wall system II and room analogue system III is made to be able to sufficient circulation, air output size is debugged by the data of air monitoring device to test, after stable, close the power supply of small-sized fan (55), out-of-blast, test the temperature variation of each position within this time period in embedded phase-change material glass curtain wall system II and room analogue system III, the data D3-2 and record is put on record, open the power supply of analog solar radiation appliance (11) until preheating after 20 minutes, open tracer gas transmitter (54), release tracer gas, simulation has the situation of phase-change material paraffin heat transfer on daytime, by infrared thermoviewer record with the gas mobility status M3-1 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, if mobility status is not obvious, open small-sized fan (55) as required and debug air output size, continue record with the gas mobility status M3-2 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, and test the temperature variation at each position in embedded phase-change material glass curtain wall system II and room analogue system III until stable, record the data D3-3 that puts on record,

Step 7: other above-mentioned condition is constant, close the power supply of analog solar radiation appliance (11), open the power supply of electric heating sheets (23), heating makes detachable blinds (22) give off heat, simulation has the heat transfer situation at phase-change material paraffin night, record is with the gas mobility status M3-3 clapped in embedded phase-change material glass curtain wall system II and room analogue system III, and test the temperature variation at each position in embedded phase-change material glass curtain wall system II and room analogue system III until stable, record the data D3-4 that puts on record;

Step 8: obtain the radiation intensity of analog solar radiation appliance (11) in the stable moment;

Step 9: combined data;

Step 10: by controlling curtain wall and room analogue system size and its fixing draw-in groove (56) being changed to the size of embedded phase-change material glass curtain wall system II and repeats above-mentioned operation steps respectively.