CN205897648U - Solar energy dual system refrigerator - Google Patents
Solar energy dual system refrigerator Download PDFInfo
- Publication number
- CN205897648U CN205897648U CN201620681893.5U CN201620681893U CN205897648U CN 205897648 U CN205897648 U CN 205897648U CN 201620681893 U CN201620681893 U CN 201620681893U CN 205897648 U CN205897648 U CN 205897648U
- Authority
- CN
- China
- Prior art keywords
- solar energy
- refrigerator
- photovoltaic
- condenser
- plate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Photovoltaic Devices (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a solar energy dual system refrigerator. Including refrigerator box, solar photovoltaic power unit, dc -inverter compressor, first condenser, capillary, first evaporimeter, adsorption bed, second condenser, control valve, liquid storage pot, second evaporimeter, wherein dc -inverter compressor, first condenser and capillary are located refrigerator box outside, first evaporimeter is located the refrigerator box, it is direct continuous with second condenser, liquid storage pot and second evaporimeter in proper order that the adsorption bed passes through the connecting tube, is equipped with the control valve on the pipeline between liquid storage pot and second evaporimeter, and inside the second evaporimeter was located the refrigerator box, second condenser, control valve and liquid storage pot were located the upper portion in the refrigerator box outside. The utility model discloses a flat adsorption refrigeration system of solar energy and solar photovoltaic direct current refrigerating system's integration realizes photovoltaic light and heat and uses multipurposely to can adopt low -priced photovoltaic cell to realize higher photovoltaic power generation efficiency, show the gross efficiency that has improved solar energy refrigerator.
Description
Technical field
This utility model belongs to technical field of solar utilization technique and in particular to a kind of solar energy refrigerator, particularly to one kind
The hybrid system being made up of solar powered adsorption refrigeration system and solar energy photovoltaic direct current refrigeration system.
Background technology
Solar energy is clean reproducible energy, and application in modern society is widely.Solar energy refrigerator is remote
Area's vaccine, medicine, play an important role in the storage of food, wherein photovoltaic refrigerator and solar energy absorption refrigerator paste most
Closely practical, but some problems are still individually present in the application of both solar energy refrigerators and popularization.
Photovoltaic refrigeration drives freezer compressor refrigeration by solar energy power generating, and how it is using photoelectricity at normal temperatures
The higher crystal silicon photovoltaic battery of conversion efficiency, have the advantages that daytime good refrigeration effect, capacity usage ratio high, but night compression
The electric energy using storage in accumulator is needed, electric energy twice transformation is less efficient, and its power storage module is heavy and expensive during mechanism cold,
Along with the higher price of crystal silicon photovoltaic battery, the economy of system still has much room for improvement.
More ripe in solar powered adsorption refrigeration technology is flat adsorption refrigeration technique, daytime by adsorbent bed thermal-arrest,
Adsorbent bed interior suction enclosure material discharges adsorbed working medium at high temperature, the condensed liquefied storage of gas working medium, night adsorbent bed
Open glass cover-plate, after temperature reduces, adsorbing material starts absorption working pair, then the working medium of liquefied storage constantly vaporizes heat absorption, reaches
Refrigeration purpose.Solar plate absorbing refrigeration system structure and running controls simple, system power and season matched, fits
It is combined in the larger area application of day and night temperature, but one day can only carry out a kind of refrigeration cycle, exist and can only freeze at night, system
Cold power is less, the defect being affected greatly by solar irradiation change.
The production process little power consumption of amorphous silicon photovoltaic cell, pollution-free, generating efficiency produces close to polycrystal silicon cell
Cost only has 1/3rd of polycrystal silicon cell.The principal element limiting the application of amorphous silicon battery further genralrlization is photic declining
Decreasing effect is answered, and that is, strong illumination leads to inside battery to produce defect for a long time, reduces its opto-electronic conversion performance.Substantial amounts of experiment is ground
Study carefully proof, for amorphous silicon battery, at higher temperatures, this effect can weaken.Research shows when 90 DEG C, amorphous
Efficiency when silion cell has apparently higher than 25 DEG C after photo attenuation is stable (refer to j. rozario, a.h. vora,
s.k. debnath, m.j.m. pathak, j.m. pearce. the effects of dispatch strategy on
electrical performance of amorphous silicon-based solar photovoltaic-thermal
systems. renewable energy 2014；68；459-465).And in solar plate absorbing refrigeration system, often
To needing higher adsorption temp (70～100 DEG C), this temperature range is especially suitable for non-crystalline silicon electricity to active carbon-methanol working medium
The long-term efficiency power generation in pond.
Utility model content
In order to solve defect present in existing solar energy refrigerator, the comprehensively advantage of two kinds of solar refrigeration modes, this
Utility model provides a kind of solar energy dual system refrigerator by the photovoltaic and photothermal comprehensive utilization of solar energy.
Solar energy dual system refrigerator includes refrigerator body 19, solar energy photovoltaic direct current refrigeration system and solar powered adsorption refrigeration
System；
Described solar energy photovoltaic direct current refrigeration system includes solar photovoltaic powered device, DC frequency-changeable compressor 3, first
Condenser 4, capillary tube 5, the first vaporizer 6；Described DC frequency-changeable compressor 3, the first condenser 4 and capillary tube 5 are located at refrigerator
Outside casing 19, described first vaporizer 6 is located in refrigerator body 19；
Described solar powered adsorption refrigeration system includes adsorbent bed 7, the second condenser 8, control valve 9, fluid reservoir 10, second
Vaporizer 11, adsorbent bed 7 pass through connecting pipe successively directly with the second condenser 6, fluid reservoir 10 and the second vaporizer 11 phase
Even, the pipeline between described fluid reservoir 10 and the second vaporizer 11 is provided with control valve 9, and described second vaporizer 11 is located at refrigerator case
Inside body 19, the second condenser 8, control valve 9 and fluid reservoir 10 are located at the top in refrigerator body 19 outside；
In the daytime, the low temperature in refrigerator body 19 is maintained by solar energy photovoltaic direct current refrigeration system, solar photovoltaic powered
Device is powered, and DC frequency-changeable compressor 3 obtains electric work, stably provides cold for refrigerator by compression kind of refrigeration cycle；Meanwhile,
Adsorbing material temperature in adsorbent bed 7 in solar powered adsorption refrigeration system raises, and absorption refrigeration working medium wherein slowly discharges,
The liquefaction cooling after the second condenser 6 condensation of gaseous refrigeration working medium, flows in fluid reservoir 10 and stores, in the process
More than 9 of short duration unlatching of control valve, makes the liquid refrigeration working medium of storage in fluid reservoir 10 flow into the second vaporizer 11, maintains refrigerator case
Temperature stabilization in body 19；At night, solar energy photovoltaic direct current refrigeration system quits work, and solar energy dual system refrigerator is by solar energy
Absorbing refrigeration system maintains low temperature in casing；During the dusk, adsorbing material in adsorbent bed 7 and surrounding air heat loss through convection, wait to inhale
Enclosure material temperature be reduced to close to ambient temperature when control valve 9 open, now adsorbing material starts absorption refrigeration working medium, the second steaming
Send out the low temperature in liquid refrigeration working medium vaporization heat absorption maintenance refrigerator body 19 in device 11, this process is continued until second day early
Morning.
The technical scheme limiting further is as follows:
Described solar photovoltaic powered device includes photovoltaic cell 1 and controller 2, described photovoltaic cell 1 and adsorbent bed 7 structure
Become composite adsorption bed 12；Described adsorbent bed 7 includes box-like insulation shell 17, and the top surface of insulation shell 17 is glass cover-plate 13,
Inside is provided with adsorbing material 15, and photovoltaic cell 1 is fitted located at the top surface of adsorbing material 15, and the bottom of insulation shell 17 offers work
Matter gateway 16；It is respectively equipped with glass cover-plate opener 14 between the insulation shell 17 of glass cover-plate 13 both sides；Photovoltaic cell 1
Receive the solar irradiation through glass cover-plate 13.
The evenly laid out inside in insulation shell 17 of adsorbing material 15, is fitted tightly with insulation shell 17 interior sidewall surface.
Glass cover-plate opener 14 is the window butt of the manual type being installed between glass cover-plate 13 and insulation shell 17
Mechanism, by hand control switch；During closed mode, glass cover-plate 13 and insulation shell 17 fit tightly；Glass cover-plate after unlatching
Leave larger gap between 13 and insulation shell 17, make adsorbing material 15 can with air direct heat convection.
Described control valve 9 is ball valve.When glass cover-plate opener 14 in the daytime is closed, control valve 9 is closed,
Of short duration unlatching when only the temperature in refrigerator body 19 is less than -20 DEG C；Open 3～5 in dusk glass cover-plate opener 14 little
When, described control valve 9 is opened and is kept it turned on, and again enters when morning glass cover-plate opener 14 is closed
Enter closed mode, form circulation.
Described fluid reservoir 10 be can pressure-bearing sealing structure fluid reservoir.
Described photovoltaic cell 1 is crystal silicon battery or amorphous silicon battery.
Advantageous Effects of the present utility model embody in the following areas:
(1) this utility model synthesis solar plate absorbing refrigeration system and solar energy photovoltaic direct current refrigeration system excellent
Point, makes up, using photovoltaic refrigeration, the defect that flat absorption refrigeration cannot freeze in the daytime, instead of photovoltaic system using absorption refrigeration
Costly and inefficient storage mechanism in cold is it is achieved that the photovoltaic and photothermal in solar energy refrigerator field comprehensively utilizes.Cooling system energy
Power is strong, and aggregate efficiency significantly improves；
(2) this utility model realizes the comprehensive utilization of photovoltaic and photothermal using composite adsorption bed, and photovoltaic cell can adopt amorphous
Silion cell, its daytime has higher generating efficiency under hot environment in adsorbent bed, and cost is significantly lower than crystal silicon photovoltaic electricity
Pond.
Therefore this utility model passes through solar plate absorbing refrigeration system and solar energy photovoltaic direct current refrigeration system
Photovoltaic and photothermal comprehensive utilization is realized in integration, and can realize higher photovoltaic efficiency using cheap photovoltaic cell, finally reaches
To the purpose improving solar energy refrigerator aggregate efficiency.
Brief description
Fig. 1 is the overall structure diagram of solar energy dual system refrigerator.
Fig. 2 is the cross section structure diagram of composite adsorption bed.
Fig. 3 is the fundamental diagram of solar energy dual system refrigerator.
Upper in figure sequence number: photovoltaic cell 1, controller 2, DC frequency-changeable compressor 3, the first condenser 4, capillary tube 5, first
Vaporizer 6, adsorbent bed 7, the second condenser 8, control valve 9, fluid reservoir 10, the second vaporizer 11, composite adsorption bed 12, glass cover
Plate 13, glass cover-plate opener 14, adsorbing material 15, working medium gateway 16, insulation shell 17, heat transfer fin 18, refrigerator case
Body 19.
Specific embodiment
Below in conjunction with the accompanying drawings, by embodiment, the utility model is further described.
Embodiment
Referring to Fig. 1 and Fig. 3, solar energy dual system refrigerator include refrigerator body 19, solar energy photovoltaic direct current refrigeration system and
Solar powered adsorption refrigeration system.
Solar energy photovoltaic direct current refrigeration system includes solar photovoltaic powered device, DC frequency-changeable compressor 3, first condensation
Device 4, capillary tube 5, the first vaporizer 6.DC frequency-changeable compressor 3, the first condenser 4 and capillary tube 5 are located at outside refrigerator body 19
Portion, the first vaporizer 6 is located in refrigerator body 19.
Solar powered adsorption refrigeration system includes adsorbent bed 7, the second condenser 8, control valve 9, fluid reservoir 10, second evaporation
Device 11, adsorbent bed 7 is directly connected with the second condenser 6, fluid reservoir 10 and the second vaporizer 11 successively by connecting pipe；Storage
Control valve 9 is provided with the pipeline between flow container 10 and the second vaporizer 11, the second vaporizer 11 is located inside refrigerator body 19, the
Two condensers 8, control valve 9 and fluid reservoir 10 are located at the top in refrigerator body 19 outside.
Referring to Fig. 2, solar photovoltaic powered device includes photovoltaic cell 1 and controller 2.Referring to Fig. 3, photovoltaic cell 1 He
Adsorbent bed 7 constitutes composite adsorption bed 12.Adsorbent bed 7 includes box-like insulation shell 17, and the top surface of insulation shell 17 is glass cover
Plate 13, equipped with adsorbing material 15, the evenly laid out inside in insulation shell 17 of adsorbing material 15, inside insulation shell 17 for inside
Wall fits tightly, and photovoltaic cell 1 laminating is installed on the top surface of adsorbing material 15, and the bottom of insulation shell 17 offers working medium and goes out
Entrance 16；It is separately installed with glass cover-plate opener 14 between glass cover-plate 13 both sides and insulation shell 17；Glass cover-plate is opened
Open the window butt mechanism that mechanism 14 is the manual type being installed between glass cover-plate 13 and insulation shell 17, opened by Non-follow control
Close.Photovoltaic cell 1 receives the solar irradiation through glass cover-plate 13.In Fig. 2, machine opened by the glass cover-plate of composite adsorption bed 12
Structure 14 is closed mode, and during closed mode, glass cover-plate 13 and insulation shell 17 fit tightly；The partial enlargement in figure of Fig. 2
Glass cover-plate opener 14 is opening, leaves larger gap after unlatching between glass cover-plate 13 and insulation shell 17,
Make adsorbing material 15 can with air direct heat convection.
Operation principle of the present utility model is described as follows:
Referring to Fig. 3, with ambient temperature in the daytime be 18～25 DEG C, nighttime ambient temperature be 15～20 DEG C of the sunny weather of typical case
Make following analysis as a example condition.In the daytime, the low temperature in refrigerator body 19, the sun are maintained by solar energy photovoltaic direct current refrigeration system
Photovoltaic power supply device can power, DC frequency-changeable compressor 3 obtains electric work, stably provided for refrigerator by compression kind of refrigeration cycle cold
Amount；Meanwhile, the glass cover-plate 13 of the adsorbent bed 7 in composite adsorption bed 12 is combined with insulation shell 17 and makes at adsorbing material 15
In airtight heat storage state, when the temperature of adsorbing material 15 reaches 70～100 DEG C, absorption refrigeration working medium wherein is slowly released
Put, the liquefaction cooling after the second condenser 6 condensation of gaseous refrigeration working medium, flow in fluid reservoir 10 and store, this process
Generally require time-consuming 6～9 hours.Be less than when the cold that compression kind of refrigeration cycle provides excessively leads to temperature in refrigerator body 19-
When 20 DEG C, the of short duration unlatching of control valve 9, then in fluid reservoir 10, the liquid refrigeration working medium of storage is a small amount of under gravity flows into second
Vaporizer 11, the higher refrigeration working medium of this portion temperature and environment heat exchange in refrigerator body 19, make refrigerator body 19 Nei Wenduwei
Hold the scope at -10～-20 DEG C, control valve is opened for more than 9 time and makes the refrigeration working medium of storage in fluid reservoir 10 all flow into second
In vaporizer 11.
At night, solar energy photovoltaic direct current refrigeration system quits work, and solar energy dual system refrigerator adsorbs system by solar energy
Cooling system maintains low temperature in casing.During the dusk, glass cover-plate 13, adsorbent bed 7 interior suction are opened by glass cover-plate opener 14
Enclosure material 15 realizes direct and surrounding air heat loss through convection, can be reduced to close to environment temperature through 3～5 hours adsorbing material temperature
Degree, now control valve 9 is opened, and adsorbing material starts absorption refrigeration working medium, the slow vapour of liquid refrigeration working medium in the second vaporizer 11
Change the scope that heat absorption makes temperature in refrigerator body 19 maintain -10～-20 DEG C, this process is continued until morning.
Photovoltaic cell 1 can adopt crystal silicon or amorphous silicon battery, because battery operating temperature in the daytime is with temperature in adsorbent bed 7
Raise and raise, therefore using the generating efficiency higher than under room temperature can be obtained during non-crystalline silicon.
Claims (7)
1. solar energy dual system refrigerator, adsorbs system including refrigerator body (19), solar energy photovoltaic direct current refrigeration system and solar energy
Cooling system it is characterised in that:
Described solar energy photovoltaic direct current refrigeration system includes solar photovoltaic powered device, DC frequency-changeable compressor (3), first cold
Condenser (4), capillary tube (5), the first vaporizer (6)；Described DC frequency-changeable compressor (3), the first condenser (4) and capillary tube
(5) it is located at outside refrigerator body 19, described first vaporizer (6) is located in refrigerator body (19)；
Described solar powered adsorption refrigeration system include adsorbent bed (7), the second condenser (8), control valve (9), fluid reservoir (10),
Two vaporizers (11), adsorbent bed (7) pass through connecting pipe successively directly with the second condenser (6), fluid reservoir (10) and second
Vaporizer (11) is connected, and the pipeline between described fluid reservoir (10) and the second vaporizer (11) is provided with control valve (9), and described second
Vaporizer (11) is located at refrigerator body (19) inside, and the second condenser (8), control valve (9) are located at refrigerator case with fluid reservoir (10)
Top outside body (19).
2. solar energy dual system refrigerator according to claim 1 it is characterised in that: described solar photovoltaic powered device bag
Include photovoltaic cell (1) and controller (2)；Described photovoltaic cell (1) and adsorbent bed (7) constitute composite adsorption bed (12)；Described suction
Attached bed (7) includes box-like insulation shell (17), and the top surface of insulation shell (17) is glass cover-plate (13), and inside is provided with adsorption material
Material (15), the top surface located at adsorbing material (15) for photovoltaic cell (1) laminating, the bottom of insulation shell (17) offers working medium and comes in and goes out
Mouth (16)；It is respectively equipped with glass cover-plate opener (14) between glass cover-plate (13) both sides and insulation shell (17)；Photovoltaic electric
Pond (1) receives the solar irradiation through glass cover-plate (13).
3. solar energy dual system refrigerator according to claim 2 it is characterised in that: described adsorbing material (15) is evenly laid out
In the inside of insulation shell (17), fit tightly with insulation shell (17) interior sidewall surface.
4. solar energy dual system refrigerator according to claim 2 it is characterised in that: described glass cover-plate opener (14)
It is the window butt mechanism of the manual type between glass cover-plate (13) and insulation shell (17), when being closed, glass
Cover plate (13) and insulation shell (17) fit tightly, when being in opening, between glass cover-plate (13) and insulation shell (17)
Leave larger gap, make adsorbing material (15) can with air direct heat convection.
5. solar energy dual system refrigerator according to claim 1 it is characterised in that: described control valve (9) be ball valve or film
Plate valve or gate valve.
6. solar energy dual system refrigerator according to claim 1 it is characterised in that: described fluid reservoir (10) be can pressure-bearing
Sealing structure fluid reservoir.
7. solar energy dual system refrigerator according to claim 1 it is characterised in that: described photovoltaic cell (1) be crystal silicon electricity
Pond or amorphous silicon battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681893.5U CN205897648U (en) | 2016-07-01 | 2016-07-01 | Solar energy dual system refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620681893.5U CN205897648U (en) | 2016-07-01 | 2016-07-01 | Solar energy dual system refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205897648U true CN205897648U (en) | 2017-01-18 |
Family
ID=57771711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620681893.5U Active CN205897648U (en) | 2016-07-01 | 2016-07-01 | Solar energy dual system refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205897648U (en) |
-
2016
- 2016-07-01 CN CN201620681893.5U patent/CN205897648U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206959110U (en) | A kind of photovoltaic and photothermal solar integration joint air source heat pump heating system | |
| Buchter et al. | An experimental solar-powered adsorptive refrigerator tested in Burkina-Faso | |
| CN105953494B (en) | Solar energy dual system refrigerator | |
| CN105972856B (en) | A kind of solar energy refrigerator | |
| CN101144284A (en) | Solar energy photovoltaic direct current air water fetching device | |
| US11421920B2 (en) | Solar-powered adsorption chiller operable in the absence of sunlight | |
| CN114877558B (en) | Solar-driven adsorption type cold-hot water cogeneration system for desert and method thereof | |
| CN111207519A (en) | Heat pipe type photovoltaic photo-thermal module-T-Lambert wall combination system and method | |
| CN201615034U (en) | Solar heat-collecting converting system | |
| CN205718139U (en) | A kind of portable type solar energy refrigeration case | |
| CN208968087U (en) | A kind of solar energy collaboration refrigeration air-conditioner | |
| CN201237400Y (en) | Heat pipe heat collection type solar refrigerator and water heater integrated machine | |
| CN211601160U (en) | Heat pipe type photovoltaic photo-thermal module-special Lambert wall combination system | |
| CN102134870B (en) | Interactive adsorption solar energy and wind energy air water taking device | |
| CN210463651U (en) | Photovoltaic power generation cold and heat energy recycling device | |
| CN205897648U (en) | Solar energy dual system refrigerator | |
| CN205505485U (en) | Type solar energy absorption formula is refrigerated and heating system in succession | |
| CN1851360A (en) | Solar-refrigeration low-temperature grain-storage air-conditioning system | |
| CN205897607U (en) | Novel solar energy refrigerator | |
| CN102997492A (en) | Solar hot water and air conditioner integrated heat utilization system | |
| CN202214762U (en) | Interactive adsorption type solar and wind energy water intake device from air | |
| CN209084971U (en) | A kind of distributed solar energy refrigeration and heating energy storage all-in-one machine | |
| CN102748899A (en) | Energy collecting device with solar energy and air energy and method of energy collecting device | |
| CN205553862U (en) | On -vehicle refrigeration air conditioner system of synergistic solid adsorption formula of photovoltaic | |
| CN204757406U (en) | Heat supply of solar energy vacuum tube and absorption refrigeration combined system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |