CN106931679A - A kind of solar energy hot refrigeration system and its progress control method based on accumulation of energy - Google Patents
A kind of solar energy hot refrigeration system and its progress control method based on accumulation of energy Download PDFInfo
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- CN106931679A CN106931679A CN201710176690.XA CN201710176690A CN106931679A CN 106931679 A CN106931679 A CN 106931679A CN 201710176690 A CN201710176690 A CN 201710176690A CN 106931679 A CN106931679 A CN 106931679A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
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- 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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
Abstract
The invention discloses a kind of solar energy hot refrigeration system based on accumulation of energy, mainly include photovoltaic and photothermal solar integral component, solar airconditioning, PCM energy storage tanks, boiler and indoor radiant panel, the entrance and exit of photovoltaic and photothermal solar integral component connects to form circulation loop with PCM energy storage tanks, boiler and solar airconditioning respectively；Connection forms circulation loop between PCM energy storage tanks and boiler；PCM energy storage tanks connect to form closed-loop path with solar airconditioning；Connection forms cooling loop between solar airconditioning and indoor radiant panel；Connect to form heating loop between boiler and indoor radiant panel, boiler is connected with domestic hot-water's pipe；Fluid between solar airconditioning and boiler and indoor radiant panel in connecting pipe is water, and the fluid between miscellaneous equipment in connecting pipe is conduction oil；Auxiliary thermal source is respectively provided with PCM energy storage tanks and boiler.
Description
Technical field
The present invention relates to indoor heating/cooling/domestic hot-water supply field, and in particular to a kind of solar energy system based on accumulation of energy
Refrigeration heat system and its progress control method.
Background technology
China's building energy consumption is continuously increased, wherein building cold and heat supply and domestic hot-water's energy consumption increase especially fast.Traditional
Cooling, heat supply, coal, gas, the electrical actuation power energy being used domestic hot-water supply more.It is dirty that these non-renewable energy resources do not only result in air
Dye, also results in global warming.Solar energy resources enriches by contrast, nexhaustible, and solar energy is a kind of clean cleaning
The energy.Substantial amounts of use Solar Energy cooling and heating, can be reduced when user's hot-cool demand and domestic hot-water's demand is met to can not
The dependence of the renewable sources of energy, reduces environmental pollution, alleviates the situation of energy shortage shortage.But solar energy is the unstable energy,
When solar radiation is not enough, it is impossible to meet cold and heat supply and hot water demand.
Current Solar use mode mainly has two kinds, a kind of side for being to be carried out using solar power generation cooling and warming
Formula, but this mode causes the comprehensive utilization ratio of solar energy not high using photoelectric energy, it is impossible to realize the day of extreme low temperature
The utilization of solar energy under gas.Another is the mode that solar energy is combined with heat pump, but this mode is using tradition
Water tank energy storage, so heat storage capacity is relatively weak, cannot also ensure that the normal of user is used under the weather of extreme low temperature.
The content of the invention
Refrigeration system is not heated by what solar radiation degree was influenceed it is an object of the invention to provide a kind of, improve the sun
Can utilization rate, to solve the cold and heat supply of client and hot water demand under extreme low temperature weather.
This solar energy hot refrigeration system based on accumulation of energy that the present invention is provided, mainly includes photovoltaic and photothermal solar one
Body component, solar airconditioning, PCM energy storage tanks, boiler and indoor radiant panel, photovoltaic and photothermal solar integral component enter
Mouth and outlet connect to form circulation loop with PCM energy storage tanks, boiler and solar airconditioning respectively；PCM energy storage tanks and boiler
Between connection form circulation loop；PCM energy storage tanks connect to form closed-loop path with solar airconditioning；Solar airconditioning and indoor spoke
Connection forms cooling loop between penetrating plate；Connect to form heating loop between boiler and indoor radiant panel, boiler is connected with
Domestic hot-water manages；Fluid between solar airconditioning and boiler and indoor radiant panel in connecting pipe is water, miscellaneous equipment it
Between fluid in connecting pipe be conduction oil；Auxiliary thermal source is respectively provided with PCM energy storage tanks and boiler.
The sun can photovoltaic and photothermal integral component include solar thermal collector, solar thermal collector includes some arranged side by side
Vacuum tube, the heat transferring medium in vacuum tube is conduction oil；Vacuum tube includes the inside and outside glass tube of longitudinal center line suit altogether, two
It is vacuum layer between glass tube, the outer wall of inner glass tube has heat absorbing coating, inwall to be provided with radially arranged plate-shaped fins, plate
Shape fin is made using superconductor；Heat exchanger tube in vacuum tube uses spiral copper tube, axial arranged along inner glass tube；Interior glass
Phase-change material is filled with glass pipe, the packed height of phase-change material is 3/4ths of inner glass tube；In inner glass tube vertically
It is disposed with rubber tube, the lower end of rubber tube is blind end, upper end is openend, and lower end is located at bottom, the upper surface of inner glass tube
Maximum height when being expanded higher than phase-change material in inner glass tube.
The PCM energy storage tanks, boiler and solar airconditioning are provided with multiple entrance and exits.
A is provided with the PCM energy storage tanks1、d1、f1Three entrances and b1、c1、e1Three outlets, boiler has c2、b2、f2
Three entrances and a2、d2、e2Three outlets, solar airconditioning has a3、d3Two entrances and b3、c3Two outlets；Photovoltaic
The outlet of light-heat integration component by connecting pipe and four-way valve respectively with PCM energy storage tanks a1The c of entrance, boiler2Entrance and
The a of solar airconditioning3Entrance is connected；The b of PCM energy storage tanks1Outlet, the d of boiler2Outlet, the b of solar airconditioning3Outlet difference
Connected with the entrance of photovoltaic and photothermal solar integral component by connecting pipe；The c of PCM energy storage tanks1Outlet and the b of boiler2
The a of entrance, boiler2Outlet and the d of PCM energy storage tanks1Entrance is connected by connecting pipe respectively；The e of PCM energy storage tanks1Outlet with
The a of solar airconditioning3The b of entrance, solar airconditioning3Outlet and the f of PCM energy storage tanks1Entrance is connected by connecting pipe respectively；
The c of solar airconditioning3The entrance of outlet and indoor radiant panel, the outlet of indoor radiant panel and the d of solar airconditioning3Entrance is distinguished
Connected by connecting pipe；The e of boiler2The entrance of outlet and indoor radiant panel, the outlet of indoor radiant panel and the f of boiler2
Entrance is connected by connecting pipe respectively, the e of boiler2Outlet is connected with domestic hot-water's pipe simultaneously.
The auxiliary thermal source in the PCM energy storage tanks and boiler is screw type electric heating pipe；Boiler is connected with moisturizing
Device；There is the phase-change material of conduction oil and encapsulation in PCM energy storage tanks.
The a of the PCM energy storage tanks1Entrance and b1Outlet, d1Entrance and c1Outlet, e1Outlet and f1Pass through spiral shell between entrance
Rotation copper tube connection；The a of boiler2Outlet and b2Entrance, c2Entrance and d2Outlet is connected by spiral copper tube；Solar energy
The a of air-conditioning3Entrance and b3Outlet forms heat medium passage, c3Outlet and d3Entrance connects to form refrigerant passage.
The c of the PCM energy storage tanks1Outlet and the b of boiler2Connecting pipe, the e of PCM energy storage tanks between entrance1Outlet
With a of solar airconditioning3Hot recycle pump is connected on connecting pipe between entrance；The photovoltaic and photothermal solar is integrally
Circulating pump is connected with the inlet duct for changing component.
Each porch of the PCM energy storage tanks, boiler and solar airconditioning is respectively connected with gate valve and butterfly valve, each connecting tube
Heat-insulation layer is provided with outside road.
The d of the PCM energy storage tanks1Entrance and c1Outlet, e1Outlet and f1Spiral red copper heat exchanger tube difference between entrance
The first temperature sensor and second temperature sensor are connected, a temperature sensor is provided with the boiler.
Refrigerating method is heated present invention also offers a kind of utilization aforementioned system, the method is taken not according to Various Seasonal
The same method of operation, it is specific as follows：
Winter heating's water warm pattern
（a）In the case of solar radiation is sufficient, it is PCM energy storage tanks, boiler to open photovoltaic and photothermal solar integral component
Heat is provided, the hot water in boiler provides thermal source heated for indoor radiant panel, and supplies domestic hot-water；
（b）In the case of solar radiation is not enough, the first temperature sensor being placed in PCM energy storage tanks measures temperature more than 60 DEG C
When, used as the water in thermal source heat hot water case, hot water in boiler provides heat and supplies PCM energy storage tanks for indoor radiant panel
Domestic hot-water；If the temperature that the first temperature sensor being placed in PCM energy storage tanks is measured is less than 60 DEG C, to the auxiliary in boiler
Water in thermal source electrified regulation boiler provides heat and supplies domestic hot-water to indoor radiant panel；
Transition season list heats aqueous mode
（a）In the case of solar radiation is sufficient, it is PCM energy storage tanks, boiler to open photovoltaic and photothermal solar integral component
Heat, boiler supply domestic hot-water are provided；
（b）In the case of solar radiation is not enough, when the first temperature sensor in PCM energy storage tanks measures temperature more than 60 DEG C,
PCM energy storage tanks can be used as the water in thermal source heat hot water case, boiler supply domestic hot-water；It is placed in PCM energy storage tanks first
When the temperature that temperature sensor is measured is less than 60 DEG C, to the auxiliary thermal source electrified regulation domestic hot-water in boiler；
Summer water heating and air conditioning mode
（a）In the case of solar radiation is sufficient, open photovoltaic and photothermal solar integral component be PCM energy storage tanks, boiler,
Solar airconditioning provides heat, and wherein boiler provides domestic hot-water, and solar airconditioning supply is passed through the refrigerant of interior wall radiant panel
Water；
（b）In the case of solar radiation is not enough, when the second temperature sensor in PCM energy storage tanks measures temperature more than 100 DEG C,
PCM energy storage tanks provide thermal source for solar airconditioning, and solar airconditioning provides chilled water for indoor radiant panel；It is placed in PCM energy storage tanks
When the temperature that interior second temperature sensor is measured is less than 100 DEG C, it is powered to the auxiliary thermal source in PCM energy storage tanks, after heating
PCM energy storage tanks provide thermal source for solar airconditioning, and solar airconditioning provides chilled water for indoor radiant panel.
The system stores part energy while utilizing Solar Energy cooling and heating by PCM energy storage tanks, improves the sun
The utilization rate of energy.When solar radiation is not enough, the energy of PCM energy storage tanks storage can be as cold/heat source to the user's end in system
End supplies hot/cold, improves the stability of system, it is to avoid because the work appearance of system when the solar radiation of weather influence is not enough is temporary
Stop, made troubles to user.In order to avoid the use of the system is influenceed by winter extreme low temperature weather, in PCM energy storage tanks and
Auxiliary thermal source is set in boiler, when the energy of PCM energy storage tanks storage is not enough, can energy be provided by auxiliary thermal source to expire
The use demand of sufficient user.
In a word, emergent benefit when the system carries out the deposit of energy in solar radiation foot for solar radiation deficiency
Fill, make system be difficult to be influenceed and cannot normally run by weather, the energy of energy storage tank storage can not expire under extreme climate in the winter time
Energy is supplemented during pedal system demand by auxiliary thermal source to maintain the normal operation of system, the system is protected throughout the year
The normal demand of user is demonstrate,proved, the deficiencies in the prior art are compensate for.
Brief description of the drawings
Fig. 1 is that equipment of the invention arranges schematic diagram.
Fig. 2 is the structural representation of the solar thermal collector of photovoltaic and photothermal solar integral component in Fig. 1.
Fig. 3 is the cross section structure diagram of the vacuum tube of solar thermal collector in Fig. 2.
Fig. 4 is the structural representation of PCM energy storage tanks in Fig. 1.
Fig. 5 is the structural representation of boiler in Fig. 1.
Specific embodiment
As shown in figure 1, the solar energy hot refrigeration system based on accumulation of energy in the present invention by heating/cold side, heat accumulation side and
The part of user side three constitutes.Heat/cold side using conduction oil as hot/cold matchmaker, during producing heat energy/cold energy using solar energy
The system architecture being related to, mainly includes photovoltaic and photothermal solar integral component 1, water circulating pump 2 and solar airconditioning 6.The sun
The collection thermal process of energy photovoltaic and photothermal integral component completion system, for heat supply/domestic hot-water and supply solar airconditioning 6 institute
The heat medium water for needing.Heat accumulation side will heat/and the heat energy that produces of cold side stored, and to heating/cold side, user side heat supplying process
In the system architecture that is related to, including PCM energy storage tanks 3, boiler 4, hot recycle pump 5.User side is the hot water flowed out through heat accumulation side
Or heat/cold side outflow cold water process indoors air and through heat accumulation side flow out hot water supply user's domestic hot-water's process
In the system architecture that is related to, including indoor radiant panel 7, domestic hot-water's pipe 9.Heat/cold side, heat accumulation side and user side by connection
Part is connected to form the complete solar energy hot refrigeration system based on accumulation of energy, and connector includes connecting pipe and four-way reversing valve
10。
Positive energy photovoltaic and photothermal integral component 1 includes solar thermal collector 11.As shown in Figure 2 and Figure 3, solar thermal collector
11 include some vacuum tubes 111 and a heat insulation tank 112 in parallel, and vacuum tube 111 passes through the metallic support 113 being in tilted layout
Support.Heat transferring medium in vacuum tube 111 uses conduction oil, and the angle of metal supporting frames 13 can be high according to the solar energy of different regions
Degree angle is adjusted.Heat insulation tank 112 is located at the top of vacuum tube 111, is fixed on metallic support 13.In vacuum tube 111 includes
Glass tube 1111, outer glass pipe 1112, heat exchanger tube 1113, rubber tube 1114, plate-shaped fins 1115.
The outer wall of inner glass tube 1111 has heat absorbing coating, is vacuum layer between inner glass tube 1111 and outer glass pipe 1112.
Vacuum layer can substantially reduce the outwards lost heat loss of solar energy vacuum tube.Heat exchanger tube 1113 uses spiral copper tube, and caliber is about
8-10mm, it is axial arranged along inner glass tube 1111.The lower end of rubber tube 1114 is blind end, small openings are left in upper end, along interior
Glass tube 1111 is axial arranged.Plate-shaped fins 1115 along inner glass tube 1111 radial arrangement wall in the inner.Plate-shaped fins are used
Superconductor makes to improve heat exchange efficiency.Filled with paraffin as phase-change material 1116 in inner glass tube 1111, its phase alternating temperature
It is 130-150 DEG C to spend, and packing volume accounts for 3/4ths of inner glass tube, in order to increase the thermal conductivity factor of phase-change material, in it
Portion add 10% by 1:The graphite of 1 ratio mixing and the mixture of carbon fiber.The upper surface of rubber tube 1114 is higher than phase-change material
Maximum height during expansion, so in the uneven thawing of phase-change material, rubber tube 14 is can extrude after phase-change material expansion, so that
Prevent the spalling of inner glass tube 1111.
As shown in Figure 1 and Figure 4, it is provided with a on PCM energy storage tanks1、d1、f1Three entrances and b1、c1、e1Three outlets.a1Enter
Mouth and b1Outlet, d1Entrance and c1Outlet, e1Outlet and f1Connected by spiral copper tube between entrance.
As shown in Figure 1 and Figure 5, boiler has c2、b2、f2Three entrances and a2、d2、e2Three outlets.a2Outlet and b2Enter
Mouth, c2Entrance and d2Outlet is connected by spiral copper tube.
As shown in figure 1, solar airconditioning has a3、d3Two entrances and b3、c3Two outlets.a3Entrance and b3Lead between outlet
Cross spiral copper tube to connect to form heat medium passage, c3Outlet and d3Connect to form refrigerant passage by spiral copper tube between entrance.
As shown in figure 1, the outlet of photovoltaic and photothermal solar integral component by connecting pipe and four-way valve 10 respectively with
PCM energy storage tanks a1The c of entrance, boiler2The a of entrance and solar airconditioning3Entrance is connected, the b of PCM energy storage tanks1Outlet, hot water
The d of case2Outlet, the b of solar airconditioning3Outlet is respectively by connecting pipe and the entrance of photovoltaic and photothermal solar integral component 1
Connection forms a circulation loop.Water circulating pump 2 is connected with the inlet duct of photovoltaic and photothermal solar integral component 1.
The c of PCM energy storage tanks1Outlet and the b of boiler2The a of entrance, boiler2Outlet and the d of PCM energy storage tanks1Entrance point
Do not connect to form a circulation loop by connecting pipe.The d of PCM energy storage tanks1Entrance and c1Outlet, e1Outlet and f1Entrance it
Between spiral copper tube connect the first temperature sensor cgq1 and second temperature sensor cgq2 respectively, be provided with boiler 4
One temperature sensor cgq.
The e of PCM energy storage tanks1Outlet and a of solar airconditioning3The b of entrance, solar airconditioning3Outlet and PCM energy storage tanks
f1Entrance connects a closed-loop path by connecting pipe respectively.
The c of PCM energy storage tanks1Outlet and the b of boiler2Connecting pipe, the e of PCM energy storage tanks between entrance1Outlet and too
The a of positive energy air-conditioning3Hot recycle pump 5 is connected on connecting pipe between entrance.
PCM energy storage tanks have the phase-change material of conduction oil and encapsulation, and phase-change material uses phase transition temperature for 100 DEG C of paraffin,
The Graphene and carbon fiber of 5%-10% is added to press 1 in paraffin simultaneously:The mixture of 1 composition.Conduction oil is used as heat transfer medium.
Screw type electric heating pipe is provided with PCM energy storage tanks and boiler as auxiliary thermal source, g in Fig. 2 and Fig. 31、h1And g2、
h2The respectively external connector of screw type electric heating pipe.The setting of screw type electric heating pipe can ensure system solar energy it is inadequate or
When the heat energy of storage is not enough can normally, stable operation.
The c of solar airconditioning3The entrance of outlet and indoor radiant panel 7, the outlet of indoor radiant panel 7 and solar airconditioning
d3Entrance connects to form cooling loop by connecting pipe respectively.
The e of boiler 42The entrance of outlet and indoor radiant panel 7, the outlet of indoor radiant panel 7 and the f of boiler 42Entrance
Connect to form heating loop by connecting pipe respectively, the e of boiler 42Outlet is connected with domestic hot-water's pipe 9 simultaneously.Boiler 4
Water replanishing device 8 is also associated with, moisturizing is sent into by the i interfaces of boiler, as shown in Figure 3.Water replanishing device is used to supplement supply life
Water in hot water living and heat supplying process is scattered and disappeared.The guarantee moisturizing speed that should try one's best is suitable with the speed that domestic hot-water fetches water.
Fluid between solar airconditioning and boiler and indoor radiant panel in connecting pipe is water, is connected between miscellaneous equipment
Fluid in adapter road is conduction oil.Evaporated when conduction oil can prevent fluid temperature (F.T.) too high.
Each porch of PCM energy storage tanks, boiler and solar airconditioning is respectively connected with gate valve and butterfly valve to control each connection
Fluid flow in pipeline, is provided with rubber and plastic heat-insulation layer outside each connecting pipe, prevent system energy loss.
According to Various Seasonal solar radiation, whether abundance takes different running method to the present invention, and solar energy profit is improved with this
With rate, the stability of a system is improved.Carrying out practically control method is as follows：
Winter heating's water warm pattern
（a）When solar radiation is sufficient, entrance, the PCM energy storage tanks a of photovoltaic and photothermal solar integral component are opened1Entrance, heat
Water tank c2Entrance, the gate valve of indoor radiant panel porch, ON cycle water pump；
（b）If solar radiation is inadequate, if the temperature sensor cgq1 being placed in PCM energy storage tanks measures temperature more than 60 DEG C,
It is then turned on PCM energy storage tanks d1Entrance, boiler b2The gate valve and hot recycle pump of porch；If the temperature being placed in PCM energy storage tanks
The temperature that sensor cgq1 is measured is less than 60 DEG C, then be powered to coming in heat hot water case to the screw type electric heating pipe in boiler
Water, so that for indoor radiant panel provides heat and supplies domestic hot-water.
Transition season list heats aqueous mode
（a）When solar radiation is sufficient, entrance, a of PCM energy storage tanks of photovoltaic and photothermal solar integral component are opened1Entrance,
The c of boiler2The gate valve of porch；ON cycle water pump；
（b）When solar radiation is inadequate, if the temperature sensor cgq1 in PCM energy storage tanks measures temperature more than 60 DEG C, open
The d of PCM energy storage tanks1Entrance, boiler b2The gate valve of entrance side；Open hot recycle pump；If the temperature sensor in PCM energy storage tanks
Cgq1 measures temperature less than 60 DEG C, then be powered to the screw type electric heating pipe in boiler and carry out heating domestic hot water, and supply life
Hot water.
Summer water heating and air conditioning mode：
（a）When solar radiation is sufficient, entrance, a of PCM energy storage tanks 3 of photovoltaic and photothermal solar integral component 1 are opened1Enter
Mouth, the c of boiler2The a of entrance, solar airconditioning3And d3Entrance, the gate valve of the indoor porch of radiant panel 7, ON cycle water pump
2；
（b）When solar radiation is inadequate, if the temperature sensor cgq2 in PCM energy storage tanks 3 measures temperature more than 100 DEG C,
PCM energy storage tanks are solar airconditioning 6, the offer thermal source of boiler 4, are then turned on the d of PCM energy storage tanks 31Entrance, f1Entrance, boiler
B2The gate valve of porch；Open hot recycle pump 5.If the temperature sensor cgq2 in PCM energy storage tanks 3 measures temperature less than 100
DEG C, then it is powered to the screw type electric heating pipe in PCM energy storage tanks 3, the PCM energy storage tanks 3 after heating are solar airconditioning 6 and boiler
4 provide thermal source.
The operational mode in three above season, when the sensor cgq all in boiler measures temperature less than 50 DEG C, opens
The water that screw type electric heating pipe in boiler comes in heat hot water case.As the temperature sensor cgq in boiler, to measure temperature big
When 100 DEG C, any heating measures are not carried out to boiler.
Three of the above operational mode all can be controlled manually in the switching of user side, and user can be according to itself Thermal comfort
And to the demand regulation operational mode of hot water, it is possible to situation is required according to indoor load requirement and domestic hot-water, regulation is each
The butterfly valve at gate valve is opened, water-carrying capacity size is controlled.The Energy Saving Control of system is realized from control device.
During with the present invention, for save take up an area, it is attractive in appearance ,/cold side solar airconditioning, energy storage can will be heated for new building
Each equipment in side is arranged in basement；It is to reduce construction work amount, it is necessary to optimize the Position Design of the system for existing building,
So as to effectively reduce construction cost.
Claims (10)
1. a kind of solar energy hot refrigeration system based on accumulation of energy, it is characterised in that：The system mainly includes photovoltaic light
Heating integrated component, solar airconditioning, PCM energy storage tanks, boiler and indoor radiant panel, photovoltaic and photothermal solar integral component
Entrance and exit connect to form circulation loop with PCM energy storage tanks, boiler and solar airconditioning respectively；PCM energy storage tanks and heat
Connection forms circulation loop between water tank；PCM energy storage tanks connect to form closed-loop path with solar airconditioning；Solar airconditioning and room
Connection forms cooling loop between interior radiant panel；Connect to form heating loop between boiler and indoor radiant panel, boiler connects
It is connected to domestic hot-water's pipe；Fluid between solar airconditioning and boiler and indoor radiant panel in connecting pipe is water, and other set
Fluid between standby in connecting pipe is conduction oil；Auxiliary thermal source is respectively provided with PCM energy storage tanks and boiler.
2. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 1, it is characterised in that：The sun can photovoltaic light
Heating integrated component includes solar thermal collector, and solar thermal collector includes some vacuum tubes arranged side by side, the heat exchange in vacuum tube
Medium is conduction oil；Vacuum tube includes the inside and outside glass tube of longitudinal center line suit altogether, is vacuum layer between two glass tubes, interior
The outer wall of glass tube has heat absorbing coating, inwall to be provided with radially arranged plate-shaped fins, and plate-shaped fins use superconductor system
Make；Heat exchanger tube in vacuum tube uses spiral copper tube, axial arranged along inner glass tube；Phase transformation material is filled with inner glass tube
Material, the packed height of phase-change material is 3/4ths of inner glass tube；It is axially disposed in inner glass tube to have rubber tube, rubber tube
Lower end be blind end, upper end be openend, lower end is located at the bottom of inner glass tube, upper surface higher than phase transformation material in inner glass tube
Maximum height during material expansion.
3. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 1, it is characterised in that：The PCM energy storage tanks,
Boiler and solar airconditioning are provided with multiple entrance and exits.
4. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 2, it is characterised in that：The PCM energy storage tanks
On be provided with a1、d1、f1Three entrances and b1、c1、e1Three outlets, boiler has c2、b2、f2Three entrances and a2、d2、e2Three
Outlet, solar airconditioning has a3、d3Two entrances and b3、c3Two outlets；The outlet of photovoltaic and photothermal solar integral component is led to
Cross connecting pipe and four-way valve respectively with PCM energy storage tanks a1The c of entrance, boiler2The a of entrance and solar airconditioning3Entrance connects
It is logical；The b of PCM energy storage tanks1Outlet, the d of boiler2Outlet, the b of solar airconditioning3Outlet passes through connecting pipe and solar energy respectively
The entrance connection of photovoltaic and photothermal integral component；The c of PCM energy storage tanks1Outlet and the b of boiler2The a of entrance, boiler2Outlet
With the d of PCM energy storage tanks1Entrance is connected by connecting pipe respectively；The e of PCM energy storage tanks1Outlet and a of solar airconditioning3Entrance,
The b of solar airconditioning3Outlet and the f of PCM energy storage tanks1Entrance is connected by connecting pipe respectively；The c of solar airconditioning3Outlet with
The entrance of indoor radiant panel, the outlet of indoor radiant panel and the d of solar airconditioning3Entrance is connected by connecting pipe respectively；Heat
The e of water tank2The entrance of outlet and indoor radiant panel, the outlet of indoor radiant panel and the f of boiler2Entrance passes through connecting tube respectively
Road is connected, the e of boiler2Outlet is connected with domestic hot-water's pipe simultaneously.
5. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 4, it is characterised in that：The PCM energy storage tanks
It is screw type electric heating pipe with the auxiliary thermal source in boiler；Boiler is connected with water replanishing device；Have in the PCM energy storage tanks
Conduction oil and the phase-change material of encapsulation.
6. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 4, it is characterised in that：The PCM energy storage tanks
A1Entrance and b1Outlet, d1Entrance and c1Outlet, e1Outlet and f1Connected by spiral copper tube between entrance；Boiler
a2Outlet and b2Entrance, c2Entrance and d2Outlet is connected by spiral copper tube；The a of solar airconditioning3Entrance and b3Outlet connects
It is logical to form heat medium passage, c3Outlet and d3Entrance connects to form refrigerant passage.
7. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 4, it is characterised in that：The PCM energy storage tanks
C1Outlet and the b of boiler2Connecting pipe, the e of PCM energy storage tanks between entrance1Outlet and a of solar airconditioning3Entrance it
Between connecting pipe on be connected to hot recycle pump；Connected on the inlet duct of the photovoltaic and photothermal solar integral component
There is water circulating pump.
8. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 2, it is characterised in that：The PCM energy storage tanks,
Each porch of boiler and solar airconditioning is respectively connected with gate valve and butterfly valve, and heat-insulation layer is provided with outside each connecting pipe.
9. the solar energy hot refrigeration system of accumulation of energy is based on as claimed in claim 5, it is characterised in that：The PCM energy storage tanks
D1Entrance and c1Outlet, e1Outlet and f1Spiral red copper heat exchanger tube between entrance connects the first temperature sensor and respectively
Two temperature sensors, are provided with a temperature sensor in the boiler.
10. system described in a kind of utilization claim 9 heats refrigerating method, and the method takes different operations according to Various Seasonal
Mode, it is specific as follows：
Winter heating's water warm pattern
（a）In the case of solar radiation is sufficient, it is PCM energy storage tanks, boiler to open photovoltaic and photothermal solar integral component
Heat is provided, the hot water in boiler provides thermal source heated for indoor radiant panel, and supplies domestic hot-water；
（b）In the case of solar radiation is not enough, the first temperature sensor being placed in PCM energy storage tanks measures temperature more than 60 DEG C
When, used as the water in thermal source heat hot water case, hot water in boiler provides heat and supplies PCM energy storage tanks for indoor radiant panel
Domestic hot-water；If the temperature that the first temperature sensor being placed in PCM energy storage tanks is measured is less than 60 DEG C, to the auxiliary in boiler
Water in thermal source electrified regulation boiler provides heat and supplies domestic hot-water to indoor radiant panel；
Transition season list heats aqueous mode
（a）In the case of solar radiation is sufficient, it is PCM energy storage tanks, boiler to open photovoltaic and photothermal solar integral component
Heat, boiler supply domestic hot-water are provided；
（b）In the case of solar radiation is not enough, when the first temperature sensor in PCM energy storage tanks measures temperature more than 60 DEG C,
PCM energy storage tanks can be used as the water in thermal source heat hot water case, boiler supply domestic hot-water；It is placed in PCM energy storage tanks first
When the temperature that temperature sensor is measured is less than 60 DEG C, to the auxiliary thermal source electrified regulation domestic hot-water in boiler；
Summer water heating and air conditioning mode
（a）In the case of solar radiation is sufficient, open photovoltaic and photothermal solar integral component be PCM energy storage tanks, boiler,
Solar airconditioning provides heat, and wherein boiler provides domestic hot-water, and solar airconditioning supply is passed through the refrigerant of interior wall radiant panel
Water；
（b）In the case of solar radiation is not enough, when the second temperature sensor in PCM energy storage tanks measures temperature more than 100 DEG C,
PCM energy storage tanks provide thermal source for solar airconditioning, and solar airconditioning provides chilled water for indoor radiant panel；It is placed in PCM energy storage tanks
When the temperature that interior second temperature sensor is measured is less than 100 DEG C, it is powered to the auxiliary thermal source in PCM energy storage tanks, after heating
PCM energy storage tanks provide thermal source for solar airconditioning, and solar airconditioning provides chilled water for indoor radiant panel.
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| CN201710176690.XA CN106931679B (en) | 2017-03-23 | 2017-03-23 | Solar heating and refrigerating system based on energy storage and operation control method thereof |
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|---|---|---|---|
| CN201710176690.XA CN106931679B (en) | 2017-03-23 | 2017-03-23 | Solar heating and refrigerating system based on energy storage and operation control method thereof |
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| CN106931679B CN106931679B (en) | 2020-03-17 |
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| CN106931679B (en) | 2020-03-17 |
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