WO2014190743A1 - 一种太阳能集热系统及其控制方法 - Google Patents

一种太阳能集热系统及其控制方法 Download PDF

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Publication number
WO2014190743A1
WO2014190743A1 PCT/CN2013/090102 CN2013090102W WO2014190743A1 WO 2014190743 A1 WO2014190743 A1 WO 2014190743A1 CN 2013090102 W CN2013090102 W CN 2013090102W WO 2014190743 A1 WO2014190743 A1 WO 2014190743A1
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WO
WIPO (PCT)
Prior art keywords
heat
dryer
pipeline
solar
clothes dryer
Prior art date
Application number
PCT/CN2013/090102
Other languages
English (en)
French (fr)
Inventor
单世强
宋华诚
Original Assignee
海尔集团公司
青岛胶南海尔洗衣机有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海尔集团公司, 青岛胶南海尔洗衣机有限公司 filed Critical 海尔集团公司
Publication of WO2014190743A1 publication Critical patent/WO2014190743A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0015—Domestic hot-water supply systems using solar energy
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/26—Condition of the drying air, e.g. air humidity or temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/62—Stopping or disabling machine operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/14—Solar energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating

Definitions

  • the present invention relates to the field of household appliances, and in particular to a solar heat collecting system and a control method thereof. Background technique
  • Solar energy is both primary energy and renewable energy. It is rich in resources and can be used free of charge without transportation and without any pollution to the environment. It has created a new form of life for centuries, enabling society and humanity to enter an era of energy conservation and pollution reduction. Therefore, in the context of household appliances' clean energy, the application of solar energy as an energy source in the field of home appliances has become a field in which the home appliance industry is competing for development.
  • the dryer is a cleaning appliance that automatically dries clothes by electric heating. It is especially necessary for the winter in the north and the "back to the south" clothing in the south. In addition, dryers are widely used in industrial production to dry fabrics and increase production efficiency.
  • the types of dryers are divided into: floor-standing and hanging-type; according to the structure type: drum type and cabinet type; mostly drum type, drum type dryer usually consists of box, drum system, hot air system, The transmission and control system are composed.
  • the exhaust type is to discharge the high-temperature and high-humidity air formed by the evaporation of the water directly to the outside of the machine;
  • the dehumidification type is to discharge the condensed water through the heat exchanger after the high-temperature and high-humidity air, and then discharge to the outside of the machine.
  • Exhaust-type evaporation acts to moisturize the air, compensates for water loss during heating and drying, and has no effect on the environment, so it is popular.
  • the dryer has components such as a condenser heater.
  • the air is heated by the heater.
  • the heated air enters the air duct and enters the inside of the dryer drum along the air duct.
  • the hot air takes away the moisture on the clothes and becomes hot and humid air.
  • the hot and humid air is condensed by the condenser, and the condensed water is discharged into the water collecting box.
  • the cold air enters the heater and is heated into the drum, thus circulating until the moisture on the clothes is completely taken away, completing the drying process.
  • the dryer needs to be heated and condensed, and the condenser is usually filled with a condensing agent. If the condensing agent is liquid fluorine, there is a risk of leakage, which easily pollutes the atmosphere and causes damage to the user's health, thus heating and condensing. The process is also very wasteful of electrical energy, which is inconsistent with the state's call to save energy.
  • the invention of the Chinese invention patent number CN201466237U discloses a dryer, including a dryer body, a solar photovoltaic panel, a dry operation display, a solar operation display, a battery pack, a solar controller, a circuit main control board, and a pumping machine.
  • the fan, the heater, the air inlet and the air outlet are characterized in that: the solar controller and the battery pack are disposed at the rear of the dryer body, and the solar photovoltaic panel and the solar controller are connected by wires, and the solar control The controller is connected to the battery pack and the heater by wires.
  • the invention uses solar panels and battery packs. Because solar panels are expensive, battery packs contain chemicals. Ordinary users are prone to misuse when problems occur with dryers, endangering personal safety, and causing chemical leakage and corrosion of other furniture. And the floor etc. Therefore, the invention can be realized, but the cost is high and it is not easy to popularize. At the same time, solar water heaters have become the choice of more and more families under the national energy conservation call.
  • the present invention has been made based on the above problems.
  • SUMMARY OF THE INVENTION The object of the present invention is to provide a solar heat source system, using solar energy as a heat source of a clothes dryer, heating the flowing air to take away the moisture on the clothes, drying the clothes, and using solar energy as a heat source of the water heater to increase solar energy. Utilization rate.
  • the dryer of the present invention does not require a condenser, and directly discharges moist hot air from the dryer through the exhaust pipe, and injects new dry air into the air duct of the dryer, thereby improving drying efficiency and saving electric energy.
  • a solar heat collecting system comprising a solar collector with a built-in heat medium disposed outside and a dryer and a water heater connected to the solar collector, a clothes dryer,
  • the water heater and the solar collector are connected by a heat medium circulation line, and the circulation line is provided with a heat medium circulation device.
  • the circulation pipeline includes a first pipeline for the heat medium to flow out of the solar heat collector and a second pipeline for the heat medium to flow into the solar heat collector, and the first pipeline and the second pipeline are provided with a trunk In the clothes dryer and the water heater, the first pipeline and/or the second pipeline are provided with a circulation pump for promoting the flow of the heat medium.
  • the dryer and the water heater are disposed in parallel on the first pipeline and the second pipeline.
  • a first reversing valve is disposed at the junction between the dryer and the water heater and the first pipeline, and the heat medium flows through the first reversing valve to the dryer and the water heater; the heat medium flows out from the dryer and the water heater
  • the second reversing valve disposed on the second pipeline flows to the solar collector, and the reversing valve is connected to the main control panel of the dryer, and the opening and closing or the reversing valve is manually opened and closed by the main control panel.
  • the clothes dryer is a tumble dryer or a cabinet dryer, and includes a heat exchanger for transferring heat of the heat medium to the air in the air duct of the dryer in the air duct of the dryer, and accommodating the clothes connected with the air duct.
  • the accommodation chamber. a fan connected to the heat exchanger is disposed at the inlet of the air duct, and the air duct of the dryer passes through the accommodating chamber and is provided with an exhaust pipe extending outside the dryer, and the wind of the dryer An auxiliary electric heater controlled by the main control board is also provided in the road.
  • the heat exchanger is provided with a heat medium inlet and a heat medium outlet. The heat medium inlet is connected to the first pipeline.
  • a heat sensor is disposed at the heat medium inlet, and the detected heat medium temperature signal is sent to the dryer.
  • a heat exchanger comprising a heat insulating casing, a heat exchange pipe and a heat exchange fin, wherein the heat exchange pipe is arranged on the heat exchange fin, the heat exchange coefficient of the heat exchanger and the dryer The capacity is proportional.
  • the water heater heats the water in the water heater tank through heat exchange through the heat exchange coil, and the heat exchange coil is connected with the heat medium pipeline.
  • a solar collector system control method after the dryer opens the drying process, the main control panel opens the two-way valve to flow the heat medium to the heat exchanger of the dryer, and flows out from the heat medium outlet of the heat exchanger
  • the control of the two reversing valves flows into the solar collector along the second line; the fan opens to blow the outside air of the dryer into the heat exchanger, and becomes hot air by heat exchange and enters the accommodating chamber of the dryer along the air duct.
  • the moisture on the clothes taken away becomes hot and humid air; the hot and humid air is discharged outside the dryer along the exhaust pipe connected to the accommodating chamber, and after the circulation pump is turned on for a period of time, the temperature sensor transmits the detected temperature signal of the heat medium to the dryer.
  • the control board the main control board detects whether the temperature signal is higher than the set temperature, if it is higher, the drying process is continued. If it is lower than the set temperature, the main control board stops driving the circulation pump, turns off the heat exchanger, and turns on the auxiliary electric heater. Drying operation. The dryer stops working, and the main control panel controls the reversing valve to flow the heat medium to the heat exchange coil of the water heater. The heat medium flows out through the heat exchange coil under the action of the circulation pump, and flows into the solar collector along the second pipeline. Device.
  • solar collectors can be placed on the outside of the balcony or on the roof, thus saving space.
  • the dryer is equipped with an auxiliary electric heater.
  • the auxiliary electric heater is used for the drying operation, so that the user can use the dryer at any time.
  • the hot air directly drains out of the dryer, which does not require a condensing device, saves energy, and reduces the size of the dryer and reduces the space occupied.
  • the clothes dryer of the present invention is further provided with a fan, which extracts the air in the room to dry the clothes in the clothes dryer, discharges the exhaust gas and simultaneously purifies the indoor air, and has the function of ventilation.
  • FIG. 1 is a schematic structural view of a solar heat collecting system of the present invention
  • FIG. 2 is a side perspective view of a drum type dryer in the heat collecting system of the present invention
  • FIG. 3 is a drum type drying machine in the heat collecting system of the present invention.
  • Figure 4 is a rear perspective view of the tumble dryer in the heat collecting system of the present invention
  • Figure 5 is an auxiliary electric heater mounting position of the tumble dryer in the heat collecting system of the present invention
  • Figure 6 is a schematic view showing the heat exchanger and fan installation of the dryer in the heat collecting system of the present invention
  • Figure 7 is a side view of the heat exchanger and the fan installation of the dryer in the heat collecting system of the present invention
  • 8 is a schematic structural view of a cabinet dryer in the heat collecting system of the present invention
  • FIG. 9 is a front perspective view of the cabinet dryer in the heat collecting system of the present invention
  • FIG. 10 is a heat collecting system of the present invention. Rear view of the cabinet dryer.
  • a solar heat source dryer and a drying method thereof according to the present invention will be described in detail below with reference to the accompanying drawings: Shown: A solar collector system, including a solar collector 1 with built-in heat medium installed outdoors, a dryer 6 and a water heater 7 connected to a solar collector, a clothes dryer 6, a water heater 7, and a solar collector The device 1 is connected by a heat medium circulation line, and the circulation line is provided with a heat medium circulation device.
  • the circulation line includes a first line 2 through which the heating medium flows out of the solar collector, and a section in which the heating medium flows into the solar collector a second pipe 13, a dryer 6 and a water heater 7 are disposed between the first pipe 2 and the second pipe 13, and the first pipe 2 and/or the second pipe 13 are provided with heat promoting The circulating pump 12 of the medium flows.
  • the clothes dryer 6 and the water heater 7 are disposed in parallel on the first line 2 and the second line 13.
  • the first reversing valve 3 is disposed at the junction of the clothes dryer 6 and the water heater 7 and the first pipeline 2, and the heat medium flows through the first reversing valve 3 to the dryer and the water heater; the heat medium flows out from the dryer and the water heater Afterwards, the second reversing valve 10 disposed on the second pipeline 13 flows to the solar collector 1, and the reversing valve is connected to the main control panel of the dryer, and the opening and closing or reversing is controlled by the main control panel. The valve is manually opened and closed.
  • the clothes dryer 6 is a tumble dryer or a cabinet dryer, and includes a heat exchanger for transferring heat of the heat medium to the air in the air duct of the dryer in the air duct of the dryer.
  • a fan connected to the heat exchanger is arranged at the entrance of the air duct.
  • the dryer duct passes through the accommodating chamber and is provided with an exhaust pipe extending outside the dryer.
  • the air duct of the dryer is also provided with a total Auxiliary electric heater controlled by the control panel.
  • a heat medium inlet 32 and a heat medium outlet 33 are disposed on the heat exchanger, and a temperature sensor is disposed at the heat medium inlet, and the detected heat medium temperature signal is sent to the dryer main control board.
  • the heat exchanger 34 includes an insulated casing 27, a heat exchange conduit 28 and heat exchange fins 29, and the heat exchange conduit 28 is disposed on the heat exchange fins 29, and the heat exchange coefficient of the heat exchanger 34 is dry.
  • the capacity of the clothes machine is directly proportional.
  • the water heater 7 heats the water in the water heater tank through heat exchange through the heat exchange coil, and the heat exchange coil is connected with the heat medium pipeline.
  • a solar collector system control method after the dryer 6 starts the drying process, the main control panel opens the two-way valve to flow the heat medium to the heat exchanger 34 of the dryer, and flows out from the heat medium outlet of the heat exchanger 34.
  • the control of the second reversing valve flows into the solar collector along the second pipeline; the fan opens to blow the outside air of the dryer into the heat exchanger, and becomes hot air by heat exchange and enters the receiving chamber of the dryer along the air duct.
  • the water flowing away from the clothes turns into hot and humid air; the hot and humid air exits the dryer outside the exhaust pipe connected to the accommodating chamber, and after the circulation pump is turned on for a period of time, the temperature sensor transmits the detected temperature signal of the heat medium to the dryer.
  • the main control board the main control board detects whether the temperature signal is higher than the set temperature. If it is higher, the drying process is continued.
  • the main control board stops driving the circulating pump, turns off the heat exchanger, and turns on the auxiliary electric heater. Drying operation.
  • the dryer stops working, and the main control panel controls the reversing valve to flow the heat medium to the heat exchange coil of the water heater.
  • the heat medium flows out through the heat exchange coil under the action of the circulation pump and flows into the solar collector along the second line.
  • the dryer includes a receiving chamber for accommodating the laundry in the air duct of the dryer.
  • the solar collector of the solar collector module is provided with a heat collecting plate and a heat collecting pipe, and a heat medium is arranged in the pipe, and the solar heat collecting plate collects the solar energy and converts it into heat energy of the heat medium through heat transfer. The temperature of the heat medium rises.
  • the circulating heat exchange module further comprises a fan at the front end of the heat exchanger for blowing air into the heat exchanger, the air outlet of the fan is connected to the inlet of the air duct of the dryer, and the dry air of the dryer is blown to the heat exchange.
  • the power of the fan can be selected according to the capacity and model of the different dryers.
  • the power module of the fan is connected to the control panel. When the dryer is turned on, the main control panel drives the fan to start, and the outside air of the dryer is blown to the heat exchange.
  • the circulation pipe of the solar collector and the dryer air duct is provided with a circulation pump connected to the control panel of the dryer to control its opening and closing by the dryer control panel, and the circulation pump provides power for the heat medium circulation.
  • the circulating pump moves the heat medium in the pipeline, transports the high temperature heat medium to the heat exchanger, heats the heat exchanger fins of the heat exchanger, and blows the air onto the heat exchange fins, taking away the heat exchange fins.
  • the heat of the sheet turns into hot air into the dryer duct and into the drying tub.
  • the dryer air duct is also provided with an auxiliary electric heater for replenishing heat inside the air duct, and the auxiliary electric heater is connected with the dryer control panel, and the dryer control panel controls its opening and closing, when the temperature of the heat medium is When it is not enough to dry the clothes, turn on the auxiliary electric heater to heat the air in the air duct.
  • the heat exchanger comprises an insulated casing, a heat exchange pipe and a heat exchange fin, and the heat transfer coefficient of the heat exchanger is proportional to the capacity of the dryer.
  • the dryer duct passes through the accommodating chamber and is provided with an exhaust pipe extending outside the dryer, and the moisture is discharged to the outside of the dryer with the air.
  • the heat exchanger is provided with a heat medium inlet and a heat medium outlet, and a temperature sensor is disposed at the heat medium inlet, and the detected heat medium temperature signal is sent to the dryer main control board, and the heat medium is transported through the pipeline from the heat medium inlet.
  • the heat exchanger pipe transfers heat to the heat exchange fins, and the air blown by the fan exchanges heat with the heat exchange fins to become hot air.
  • the medium inlet is connected to the heat medium line in the outlet direction of the circulation pump, and the heat medium outlet is connected to the heat medium line leading to the solar heat collector.
  • the dryer main control panel drives the circulation pump to circulate the heat medium in the pipeline, and the heat medium enters the heat exchanger; the fan opens to blow the outside air of the dryer into the heat exchanger, through The heat exchange becomes hot air flowing along the air duct into the accommodating chamber of the dryer to remove the moisture on the clothes into hot and humid air; the hot and humid air is discharged outside the dryer along the exhaust pipe connecting the accommodating chambers.
  • the temperature sensor After the circulation pump is turned on for a period of time, the temperature sensor transmits the detected temperature signal of the heat medium to the main control panel of the dryer, and the total control panel detects whether the temperature signal is higher than the set temperature. If it is higher, the drying process is continued, if it is lower than the setting At the temperature, the main control board stops driving the circulation pump, turns off the heat exchanger, and turns on the auxiliary electric heater for drying operation.
  • the solar collector collects the heat in the sunlight and heats the internal heat medium.
  • the heat medium is driven by the circulation pump to flow to the heat device, and the heat is transferred to the heat device through the heat exchanger.
  • the flat solar collector 1 is connected to the two-way valve 3 through the pipeline 2, and the two passage directions of the two-way valve 3 are respectively connected to the pipeline 4 and the pipeline 5, the pipeline 4 is connected to the dryer 6, and the pipeline 5 is connected to the water heater 7. .
  • the clothes dryer 6 is connected to the two-way valve 10 through the pipe 8, and the water heater 7 is connected to the two-way valve through the pipe 9.
  • the two-way gang 10 is connected to the circulation pump 12 via the pipeline 11 and then returned to the solar collector via the pipeline 13.
  • the solar collector is installed outside the roof or balcony, and connects the various heating devices in the room through the pipeline.
  • the control system automatically controls the opening and closing of the valves in the heat medium circulation line according to the use of the heat equipment by the user.
  • Embodiment 1 Solar Tumble Dryer As shown in FIG. 3, the tumble dryer is composed of a solar heat source system and a drum drying system, and the solar heat source system passes through the heat medium inlet 17 and the heat medium outlet 18 and the heat exchanger of the dryer. 16 is connected, the heat medium enters the heat exchanger from the interface 17, releases heat and then exits the heat exchanger from the interface 18.
  • the circulation pump When the dryer is used, the circulation pump is turned on, the heat medium is circulated, and the blower 15 of the dryer sucks in air from the air inlet 14 and feeds it into the heat exchanger 16, and the air is heated in the heat exchanger 16, and then
  • the air duct 19 enters the cavity 20, enters the drum 22 from the air outlet 21 in the cylinder and dries the laundry, and the air after drying the laundry carries moisture from the air outlet 23 into the cavity 24 and is discharged to the outside through the exhaust pipe 25.
  • An electric heater 26 is disposed in the air duct 19, and when the heat of the solar heat source is insufficient, an electric heater may be supplemented to heat the air.
  • the heat exchanger 16 is composed of a casing 27, a bypassed pipe 28 and a certain number of fins 29.
  • the casing 27 can be made of a plastic material having better heat insulation performance, and the pipe 28 can be used.
  • the copper tube and the heat exchange fin 29 may be made of a thin aluminum sheet.
  • a detachable wire filter screen is provided in the cavity 24 for collecting the wire scraping from the clothes.
  • the exhaust pipe 25 can be connected to a section of the pipeline to discharge the exhaust gas into the exhaust passage of the building or to the outside.
  • Embodiment 2 Solar cabinet dryer: As shown in FIG.
  • the cabinet dryer is composed of a solar heat source system and a cabinet drying system, and the solar heat source system passes through the heat medium inlet 32 and the heat medium outlet 33 and the dryer.
  • the heat exchangers 34 are connected, and the heat medium enters the heat exchanger from the heat medium inlet 32 to release heat and then exit the heat exchanger from the heat medium outlet 33.
  • the circulation pump is turned on, the heat medium is circulated, the blower 31 of the dryer sucks in air from the intake port 30, and is sent to the heat exchanger 34, where the air is heated in the heat exchanger 34, and then passed.
  • the air duct 35 then enters the interior of the dry closet 37 via the air inlet 36.
  • the air carried by the dry clothes carries moisture from the air outlet 38 into the exhaust duct 39, and is discharged from the exhaust port 40 to the outside of the machine.
  • An electric heater 41 is disposed in the air duct 35. When the heat of the solar heat source is insufficient, electric heating can be supplemented.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

一种太阳能集热系统，包括设置于室外的内置热媒的太阳能集热器（1），连接太阳能集热器（1）的干衣机（6）和热水器（7）。干衣机（6）、热水器（7）和太阳能集热器（1）通过热媒循环管路连接，循环管路上设置有热媒循环装置。热水器（7）和干衣机（6）并联设置在循环管路上，通过设置在循环管路上的换向阀（3，10）改变热媒流向，分别进行热水和干衣操作。该太阳能集热系统，节省电能同时提高了太阳能利用率。

Description

一种太阳能集热系统及其控制方法 技术领域 本发明涉及家用电器领域， 具体涉及一种太阳能集热系统及其控制方法。 背景技术
太阳能既是一次能源， 又是可再生能源。 它资源丰富， 既可免费使用， 又无需运输， 对环境无任何污染。 为人类创造了一种新的生活形态， 使社会及人类进入一个节约能源减 少污染的时代。 因此， 在家电清洁能源的大背景下， 将太阳能作为能源应用在家电领域成为了家电行 业竞相发展的领域。 干衣机是利用电热自动干燥衣物的清洁电器。 对于北方的冬季和南方的"回南天 "衣物 难干的情况特别需要。 另外， 干衣机大量用于工业生产中， 用于干燥织物， 提高生产效率。 干衣机种类按安装方式分为： 落地式和吊挂式； 按结构型式分为： 滚筒式和柜式； 以滚筒 式居多， 滚筒式干衣机一般由箱体、 滚筒系统、 热风系统、 传动和控制系统组成。 按水分 排除方式分为： 排气型和除湿型。 排气型是将机内水分蒸发形成的高温高湿空气直接排往 机外； 除湿型是将高温高湿空气经过热交换器生成冷凝水后再排往机外。 排气型蒸发起到 滋润空气的作用， 弥补加热干衣时的水分散失， 且对环境无影响， 故较为流行。 现在干衣机有冷凝器加热器等组件， 通过加热器将空气加热， 加热后的空气进入风道， 沿风道进入干衣机滚筒内部， 热空气带走衣物上的水分成为湿热空气， 进入循环风道， 由 冷凝器将湿热空气冷凝， 冷凝水排入集水盒中。 冷空气进入加热器被加热， 进入滚筒， 如 此循环直至将衣物上的水分完全带走， 完成干衣过程。 干衣机需要进行加热和冷凝过程， 同时冷凝器中一般装有冷凝剂， 若冷凝剂为液态氟， 则具有泄露的危险， 容易污染大气， 同时对用户的身体健康造成损害， 这样加热和冷凝的 过程也非常浪费电能， 与国家节约能源的号召不相符。 中国发明专利号为 CN201466237U的发明创造公开了一种干衣机， 包括干衣机本体、 太阳能光伏电池板、 干衣操作显示器、 太阳能操作显示器、 蓄电池组、 太阳能控制器、 电 路主控板、 抽风扇、 加热器、 进风口、 出风口， 其特征在于： 所述太阳能控制器、 蓄电池 组设置在干衣机本体的后部， 太阳能光伏电池板与太阳能控制器通过导线连接， 太阳能控 制器与蓄电池组和加热器通过导线连接。 该发明创造使用了太阳能电池板和蓄电池组， 由 于太阳能电池板价格昂贵， 蓄电池组含有化学物质， 普通用户在干衣机出现问题时容易误 操作， 危及人身安全， 同时造成化学物质泄漏腐蚀其他家具和地板等。 因此， 该发明创造 可以实现， 但是成本很高， 不容易普及。 同时太阳能热源的热水器在国家节约能源的号召下， 成为越来越多家庭的选择， 如果 将太阳能热源的干衣机和热水器相结合， 达到节省能源又能提高太阳能利用率的效果， 便 能更加实用。 本发明是基于上述问题提出的。 发明内容 本发明的目的是提供一种太阳能热源系统， 使用太阳能作为干衣机的热源， 将流动空 气加热后带走衣物上的水分， 使衣物变干， 同时利用太阳能作为热水器的热源， 增加太阳 能利用率。 本发明的干衣机不需要冷凝器， 直接由排气管将湿热空气排出干衣机， 干衣机风道内 注入新的干燥空气， 从而提高干燥效率， 节省电能。 为了达到上述目的， 本发明采用的技术方案是： 一种太阳能集热系统， 包括设置于室 外的内置热媒的太阳能集热器和连接太阳能集热器的干衣机和热水器， 干衣机、 热水器和 太阳能集热器通过热媒循环管路连接， 所述循环管路上设置有热媒循环装置。 所述循环管路包括供热媒流出太阳能集热器的第一管路和供热媒流入太阳能集热器的 第二管路， 所述第一管路和第二管路之间设置有干衣机和热水器， 所述第一管路和 /或第二 管路上设置有促进热媒流动的循环泵。 所述干衣机和热水器并联设置在第一管路和第二管路上。 所述干衣机和热水器与第一管路连接处设置有第一换向阀， 热媒经过第一换向阀后流 向干衣机和热水器； 热媒从干衣机和热水器流出后经过一个设置在第二管路上的第二换向 阀流向太阳能集热器， 换向阀与干衣机的总控板相连接， 由总控板控制其开闭或换向阀手 动开闭。 所述干衣机为一滚筒式干衣机或柜式干衣机， 包括位于干衣机风道内将热媒热量传递 给干衣机风道内空气的换热器， 与风道联通的容纳衣物的容纳腔。 所述风道的入口处设置有一个与换热器相连接的风机， 所述干衣机风道经过容纳腔后 设置一段伸出干衣机外的排气管， 所述干衣机的风道内还设置有由总控板控制的辅助电加 热器。 所述换热器上设置有一热媒入口和一热媒出口， 热媒入口连接第一管路， 所述热媒入 口处设置有一温度传感器， 将检测的热媒温度信号发送至干衣机总控板， 所述换热器的包 括保温外壳， 换热管路和换热翅片， 所述换热管路回旋设置在换热翅片上， 所述换热器的 换热系数与干衣机的容量成正比。 所述热水器通过换热盘管进行热交换将热水器内胆中的水加热， 换热盘管与热媒管路 相连接。 一种太阳能集热系统的控制方法， 所述干衣机开启干衣程序后， 总控板开启双向阀将 热媒流向干衣机的换热器， 从换热器的热媒出口流出经第二换向阀的控制沿第二管路流入 太阳能集热器； 风机开启将干衣机外部空气吹入换热器中， 通过热交换变成热空气沿风道 进入干衣机的容纳腔中流动带走衣物上的水分变成湿热空气； 湿热空气沿连接容纳腔的排 气管排出干衣机外， 循环泵开启一段时间后， 温度传感器将检测的热媒温度信号传输至干 衣机总控板， 总控板检测温度信号是否高于设置温度， 若高于则继续干衣过程， 若低于设 置温度， 则总控板停止驱动循环泵， 关闭换热器， 开启辅助电加热器进行干衣操作。 所述干衣机停止工作， 总控板控制换向阀将热媒流向热水器的换热盘管， 热媒在循环 泵的作用下经换热盘管流出后沿第二管路流入太阳能集热器。
本发明具有以下有益效果：
1、 使用太阳能作为热源， 节省电能， 太阳能集热器可设置在阳台外侧或屋顶， 这样节 省空间。
2、 干衣机设置有辅助电加热器， 在天气情况不允许的情况下， 使用辅助电加热器进行 干衣操作， 使用户随时可以使用干衣机。
3、 热空气直接排出干衣机外， 不需要冷凝装置， 节省电能， 同时縮小干衣机的体积， 减小占用空间。
4、 本发明的干衣机还设置有风机， 抽取室内的空气对干衣机内衣物进行烘干操作， 将 废气排出同时起到净化室内空气， 具有通风的作用。
5、使用太阳能同时作为干衣机和热水器的热源，节约电能的同时，增大太阳能利用率。 6、 节省太阳能电池板和蓄电池， 减小家电成本。 附图说明
图 1是本发明的太阳能集热系统的结构示意图； 图 2是本发明的集热系统中的滚筒式干衣机的侧面透视图； 图 3是本发明的集热系统中的滚筒式干衣机的正面透视图； 图 4是本发明的集热系统中的滚筒式干衣机的背面透视图； 图 5是本发明的集热系统中的滚筒式干衣机的辅助电加热器安装位置示意图； 图 6是本发明的集热系统中的干衣机的换热器与风机安装示意图； 图 7是本发明的集热系统中的干衣机的换热器与风机安装侧视图； 图 8是本发明的集热系统中的柜式干衣机的结构示意图； 图 9是本发明的集热系统中的柜式干衣机的正面立体示意图； 图 10是本发明的集热系统中的柜式干衣机的后部视图。
1、 太阳能集热器 2、 第一管路 3、 第一换向阀 6、 干衣机 7、 热水器 8、 换热管路 10、 第二换向阀 12、 循环泵 13、 第二管路 15、 风机 16、 热 交换器 17、热媒入口 18、热媒出口 19、风道 20、空腔 21、出气口 23、 出气口 24、 空腔 25、 排气管 26、 辅助电加热器 27、 外壳 28、 换热管 路 29、换热翅片 30、进气口 31、风机 32、热媒入口 33、热媒出口 34、 换热器 35、风道 36、进气口 37、干衣柜 38、 出气口 39、排气风道 40、 排气口 41、 辅助电加热器 具体实施方式 下面结合附图对本发明的一种太阳能热源干衣机及其干衣方法进行详细描述： 如图 1所示： 一种太阳能集热系统， 包括设置于室外的内置热媒的太阳能集热器 1和 连接太阳能集热器的干衣机 6和热水器 7， 干衣机 6、 热水器 7和太阳能集热器 1通过热媒 循环管路连接， 所述循环管路上设置有热媒循环装置。 循环管路包括供热媒流出太阳能集热器的第一管路 2和供热媒流入太阳能集热器的第 二管路 13， 所述第一管路 2和第二管路 13之间设置有干衣机 6和热水器 7， 所述第一管路 2和 /或第二管路 13上设置有促进热媒流动的循环泵 12。 干衣机 6和热水器 7并联设置在第一管路 2和第二管路 13上。干衣机 6和热水器 7与 第一管路 2连接处设置有第一换向阀 3， 热媒经过第一换向阀 3后流向干衣机和热水器； 热 媒从干衣机和热水器流出后经过一个设置在第二管路 13上的第二换向阀 10流向太阳能集 热器 1， 换向阀与干衣机的总控板相连接， 由总控板控制其开闭或换向阀手动开闭。 如图 3和图 8所示， 干衣机 6为一滚筒式干衣机或柜式干衣机， 包括位于干衣机风道 内将热媒热量传递给干衣机风道内空气的换热器 34， 与风道联通的容纳衣物的容纳腔。 风 道的入口处设置有一个与换热器相连接的风机， 干衣机风道经过容纳腔后设置一段伸出干 衣机外的排气管， 干衣机的风道内还设置有由总控板控制的辅助电加热器。 如图 2所示， 换热器上设置有一热媒入口 32和一热媒出口 33， 热媒入口处设置有一温 度传感器， 将检测的热媒温度信号发送至干衣机总控板， 所述换热器 34包括保温外壳 27， 换热管路 28和换热翅片 29， 所述换热管路 28回旋设置在换热翅片 29上， 所述换热器 34 的换热系数与干衣机的容量成正比。 热水器 7通过换热盘管进行热交换将热水器内胆中的水加热， 换热盘管与热媒管路相 连接。 一种太阳能集热系统的控制方法， 干衣机 6开启干衣程序后， 总控板开启双向阀将热 媒流向干衣机的换热器 34，从换热器 34的热媒出口流出经第二换向阀的控制沿第二管路流 入太阳能集热器； 风机开启将干衣机外部空气吹入换热器中， 通过热交换变成热空气沿风 道进入干衣机的容纳腔中流动带走衣物上的水分变成湿热空气； 湿热空气沿连接容纳腔的 排气管排出干衣机外， 循环泵开启一段时间后， 温度传感器将检测的热媒温度信号传输至 干衣机总控板， 总控板检测温度信号是否高于设置温度， 若高于则继续干衣过程， 若低于 设置温度， 则总控板停止驱动循环泵， 关闭换热器， 开启辅助电加热器进行干衣操作。 干衣机停止工作， 总控板控制换向阀将热媒流向热水器的换热盘管， 热媒在循环泵的 作用下经换热盘管流出后沿第二管路流入太阳能集热器。 干衣机， 包括连接位于干衣机风道内， 容纳衣物的容纳腔。 太阳能集热模块的太阳能 集热器上设置有太也能集热板和集热管路， 管路内设置有热媒， 太阳能集热板将太阳能收 集， 通过热传递转化为热媒的热能， 使热媒温度升高。 循环换热模块还包括一位于换热器前端的向换热器吹入空气的风机， 所述风机的出风 口连接干衣机风道的入口， 将干衣机外部干燥冷空气吹向换热器。 风机的功率可以根据不 同干衣机的容量和型号进行选择， 风机的电源模块连接至控制板上， 在干衣机开启时， 总 控板驱动风机启动， 将干衣机外部空气吹到热交换器上。 太阳能集热器和干衣机风道的管路上设置有与干衣机的控制板相连接的由干衣机控制 板控制其开闭的循环泵， 所述循环泵为热媒循环提供动力， 循环泵将管道内的热媒运动起 来， 将温度高的热媒输送至热交换器上， 加热热交换器的换热翅片， 风机将空气吹至换热 翅片上后， 带走换热翅片的热量， 变成热空气进入干衣机风道， 从而进入干衣桶内。 干衣机风道中还设置有供风道内部空气补充热量的辅助电加热器， 辅助电加热器与干 衣机控制板相连接， 由干衣机控制板控制其开启和关闭， 当热媒温度不足以烘干衣物的时 候， 开启辅助电加热器给风道内空气加热。 换热器的包括保温外壳， 换热管路和换热翅片， 所述换热器的换热系数与干衣机的容 量成正比。 干衣机风道经过容纳腔后设置一段伸出干衣机外的排气管， 水分随空气排至干 衣机外。 换热器上设置有一热媒入口和一热媒出口， 热媒入口处设置有一温度传感器， 将检测 的热媒温度信号发送至干衣机总控板， 热媒经过管道传输从热媒入口进入换热器管道， 将 热量传递至换热翅片， 风机吹入的空气与换热翅片进行热交换， 变为热空气。 媒入口连接 循环泵的出口方向的热媒管路， 热媒出口连接通向太阳能集热器的热媒管路。 干衣机开启干衣程序后， 干衣机总控板驱动循环泵将热媒在管路中循环， 热媒进入换 热器； 风机开启将干衣机外部空气吹入换热器中， 通过热交换变成热空气沿风道进入干衣 机的容纳腔中流动带走衣物上的水分变成湿热空气； 湿热空气沿连接容纳腔的排气管排出 干衣机外。
循环泵开启一段时间后， 温度传感器将检测的热媒温度信号传输至干衣机总控板， 总 控板检测温度信号是否高于设置温度， 若高于则继续干衣过程， 若低于设置温度， 则总控 板停止驱动循环泵， 关闭换热器， 开启辅助电加热器进行干衣操作。 太阳能集热器收集阳光中的热量， 加热其内部的热媒， 热媒在循环泵的驱动下， 流动 至用热设备， 通过换热器将热量传递给用热设备。 平板太阳能集热器 1通过管路 2连接双 向阀 3， 双向阀 3的两个通路方向分别连接管路 4及管路 5， 管路 4与干衣机 6连接， 管路 5与热水器 7连接。 干衣机 6通过管路 8连接双向阀 10， 热水器 7通过管路 9连接双向阀 10， 双向岡 10经管路 11连接循环泵 12， 再经管路 13回到太阳能集热器。 太阳能集热器安装在屋顶或者阳台外面， 通过管路连接室内的各用热设备。 控制系统 根据用户使用用热设备的情况， 自动控制热媒循环管路中各阀门方向的开闭。 实施例一： 太阳能滚筒干衣机 如图 3所示滚筒干衣机由太阳能热源系统及滚筒干衣系统组成， 太阳能热源系统通过 热媒入口 17及热媒出口 18与干衣机的换热器 16连接， 热媒从接口 17进入换热器， 释放 热量后再从接口 18离开换热器。 当使用干衣机时， 循环泵开启， 热媒循环， 干衣机的风机 15从进气口 14吸入空气， 并送入换热器 16， 空气在换热器 16中被加热， 然后再经风道 19 进入空腔 20， 再从筒内的出气口 21进入滚筒 22内并干燥衣物， 干燥衣物后的空气携带水 汽从出气口 23进入空腔 24并经排气管 25排到机外。 风道 19内设有电加热器 26， 当太阳 能热源的热量不够时， 可以辅以电加热器来加热空气。 换热器 16 由外壳 27、 迂回的管路 28及一定数量的翅片 29组成， 为减少热量损失及提高换热效率， 外壳 27可采用隔热性能 较好的塑料材质， 管路 28可采用铜管， 换热翅片 29可采用薄铝片。 空腔 24内设有可拆卸 的线屑过滤网， 用来收集衣物中脱落的线屑。 进一步的， 排气管 25可以再接一段管道， 将 废气排入建筑物的排气道或者排到室外。 实施例二： 太阳能柜式干衣机 如图 4所示， 柜式干衣机由太阳能热源系统及柜式干衣系统组成， 太阳能热源系统通 过热媒入口 32及热媒出口 33与干衣机的换热器 34连接， 热媒从热媒入口 32进入换热器， 释放热量后再从热媒出口 33离开换热器。 当使用干衣机时， 循环泵开启， 热媒循环， 干衣 机的风机 31从进气口 30吸入空气， 并送入换热器 34， 空气在换热器 34中被加热， 然后再 通过风道 35再经进气口 36进入干衣柜 37内部， 干燥衣物后的空气携带水汽从出气孔 38 进入排气风道 39汇集， 再从排气口 40排到机外。风道 35内设有电加热器 41， 当太阳能热 源的热量不够时， 可以辅以电加热。 上述实施例中的实施方案仅仅是对本发明的优选实施例进行描述，可以进行组合和拆分， 并非对本发明的构思和范围进行限定， 在不脱离本发明设计思想的前提下， 本领域中专业技 术人员对本发明的技术方案作出的各种变化和改进， 均属于本发明的保护范围。

Claims

权 利 要 求 书
1、 一种太阳能集热系统， 其特征在于： 包括设置于室外的内置热媒的太阳能集热器和 连接太阳能集热器的干衣机和热水器， 干衣机、 热水器和太阳能集热器通过热媒循环管路 连接， 所述循环管路上设置有热媒循环装置。
2、 根据权利要求 1所述的一种太阳能集热系统， 其特征在于： 所述循环管路包括供热 媒流出太阳能集热器的第一管路和供热媒流入太阳能集热器的第二管路， 所述第一管路和 第二管路之间设置有干衣机和热水器， 所述第一管路和 /或第二管路上设置有促进热媒流动 的循环泵。
3、 根据权利要求 1所述的一种太阳能集热系统， 其特征在于： 所述干衣机和热水器并 联设置在第一管路和第二管路上。
4、 根据权利要求 3所述的一种太阳能集热系统， 其特征在于： 所述干衣机和热水器与 第一管路连接处设置有第一换向阀， 热媒经过第一换向阀后流向干衣机和热水器； 热媒从 干衣机和热水器流出后经过一个设置在第二管路上的第二换向阀流向太阳能集热器， 换向 阀与干衣机的总控板相连接， 由总控板控制其开闭或换向阀手动开闭。
5、 根据权利要求 3所述的一种太阳能集热系统， 其特征在于： 所述干衣机为一滚筒式 干衣机或柜式干衣机， 包括位于干衣机风道内将热媒热量传递给干衣机风道内空气的换热 器， 与风道联通的容纳衣物的容纳腔。
6、 根据权利要求 5所述的一种太阳能集热系统， 其特征在于： 所述风道的入口处设置 有一个与换热器相连接的风机， 所述干衣机风道经过容纳腔后设置一段伸出干衣机外的排 气管， 所述干衣机的风道内还设置有由总控板控制的辅助电加热器。
7、 根据权利要求 5所述的一种太阳能集热系统， 其特征在于： 所述换热器上设置有一 热媒入口和一热媒出口， 热媒入口连接第一管路， 所述热媒入口处设置有一温度传感器， 将检测的热媒温度信号发送至干衣机总控板， 所述换热器的包括保温外壳， 换热管路和换 热翅片， 所述换热管路回旋设置在换热翅片上， 所述换热器的换热系数与干衣机的容量成 正比。
8、 根据权利要求 3所述的一种太阳能集热系统， 其特征在于： 所述热水器通过换热盘 管进行热交换将热水器内胆中的水加热， 换热盘管与热媒管路相连接。
9、 一种如权利要求 1-8中的任一项所述的太阳能集热系统的控制方法， 其特征在于： 所述干衣机开启干衣程序后， 总控板开启双向阀将热媒流向干衣机的换热器， 从换热器的 热媒出口流出经第二换向阀的控制沿第二管路流入太阳能集热器； 风机开启将干衣机外部 空气吹入换热器中， 通过热交换变成热空气沿风道进入干衣机的容纳腔中流动带走衣物上 的水分变成湿热空气； 湿热空气沿连接容纳腔的排气管排出干衣机外， 循环泵开启一段时 间后， 温度传感器将检测的热媒温度信号传输至干衣机总控板， 总控板检测温度信号是否 高于设置温度， 若高于则继续干衣过程， 若低于设置温度， 则总控板停止驱动循环泵， 关 闭换热器， 开启辅助电加热器进行干衣操作。
10、 根据权利要求 9所述的一种控制方法， 其特征在于： 所述干衣机停止工作， 总控 板控制换向阀将热媒流向热水器的换热盘管， 热媒在循环泵的作用下经换热盘管流出后沿 第二管路流入太阳能集热器。
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