CN104949425B - Solar energy is for the electric refrigerating plant of formula and its control method - Google Patents
Solar energy is for the electric refrigerating plant of formula and its control method Download PDFInfo
- Publication number
- CN104949425B CN104949425B CN201410124702.0A CN201410124702A CN104949425B CN 104949425 B CN104949425 B CN 104949425B CN 201410124702 A CN201410124702 A CN 201410124702A CN 104949425 B CN104949425 B CN 104949425B
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- cold
- refrigeration
- electric
- refrigerating
- evaporator
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims abstract description 111
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims description 29
- 238000007710 freezing Methods 0.000 claims description 22
- 230000008014 freezing Effects 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000002791 soaking Methods 0.000 abstract description 5
- 229960005486 vaccine Drugs 0.000 description 11
- 239000007787 solid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000013268 sustained release Methods 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Abstract
The present invention provides a kind of solar energy for the electric refrigerating plant of formula and its control method.Solar energy is for the electric refrigerating plant of formula, including thermal insulation cabinet, solar panels and refrigerating circuit, refrigerating circuit includes the compressor connected together, condenser, refrigeration evaporator and refrigerating evaporator, compressor is electrically connected with solar panels, thermal insulation cabinet includes refrigerating chamber and refrigerating chamber, refrigeration evaporator is located at the top of refrigerating chamber, refrigerating evaporator is located at refrigerating chamber, it is characterized in that, also include the first cold-storage ice raft and the second cold-storage ice raft, refrigeration evaporator includes multiple rows of evaporator coil, the first cold-storage ice raft is provided between adjacent two rows evaporator coil, post thermally conductive sheet in the two sides of first cold-storage ice raft, thermally conductive sheet is abutted on evaporator coil, second cold-storage ice raft is horizontally disposed with and is located at refrigeration evaporator bottom.Realize the feature of environmental protection and soaking time for improving solar energy for the electric refrigerating plant of formula.
Description
Technical field
The present invention relates to refrigerating plant, more particularly to a kind of solar energy is for the electric refrigerating plant of formula and its control method.
Background technology
At present, it is commonly used in the environment of outdoor unpowered net, and is made using solar powered refrigeration plant completely
Cool equipment generally has refrigerating chamber and refrigerating chamber, generally, and refrigerating chamber is used to refrigerate vaccine and other items, and refrigerating chamber is used for
Freezing is side by side.In use, solar energy converts light energy into electric energy and the refrigeration system into refrigeration plant is powered,
Refrigeration system generally includes compressor, condenser, refrigerating evaporator and refrigeration evaporator, and compressor is carried out at refrigeration after powered up
Reason.Wherein, due to needing to refrigerate vaccine in refrigerating chamber, so that temperature in a balanced way is needed, so as to need increase blower fan to accelerate refrigeration
Indoor air circulation, at the same time, the battery for just needing increase extra are powered to blower fan, and are increased after battery, a side
Face causes solar energy relatively low for the environmental-protecting performance of the electric refrigerating plant of formula, while battery is also required to consume the electric energy of solar panels,
Also soaking time of the solar energy for the electric refrigerating plant of formula is shortened.
The content of the invention
The technical problems to be solved by the invention are：A kind of solar energy is provided for the electric refrigerating plant of formula and its control method,
Solve solar energy in the prior art and, for the feature of environmental protection and the relatively low defect of heat insulating ability of the electric refrigerating plant of formula, realize that improving solar energy supplies
The feature of environmental protection and soaking time of formula electricity refrigerating plant.
The technical scheme that the present invention is provided is, a kind of solar energy for the electric refrigerating plant of formula, including thermal insulation cabinet, solar panels and
Refrigerating circuit, the refrigerating circuit includes compressor, condenser, refrigeration evaporator and the refrigerating evaporator connected together, described
Compressor is electrically connected with the solar panels, and the thermal insulation cabinet includes refrigerating chamber and refrigerating chamber, and the refrigeration evaporator is located at institute
The top of refrigerating chamber is stated, the refrigerating evaporator is located at the refrigerating chamber, in addition to the first cold-storage ice raft and the second cold-storage ice raft,
The refrigeration evaporator includes being provided with first cold-storage between multiple rows of evaporator coil, evaporator coil described in adjacent two row
Thermally conductive sheet is posted in ice raft, the two sides of the first cold-storage ice raft, and the thermally conductive sheet is abutted on the evaporator coil, described
Second cold-storage ice raft is horizontally disposed with and is located at the refrigeration evaporator bottom.
Further, the top of the refrigerating chamber is provided with heat-conducting plate, and the heat-conducting plate is located at the refrigeration evaporator
Lower section, the second cold-storage ice raft is placed on the heat-conducting plate.
Further, multiple through holes are further opened with the heat-conducting plate.
Further, the top both sides of the refrigerating chamber are provided with slideway, and the slideway is located at the refrigeration evaporator
Lower section, the second cold-storage ice raft is inserted in the slideway.
Further, the compressor includes refrigeration compressor and refrigerant condenser, and the condenser includes refrigeration and condensed
Device and freezer condenser, the refrigeration compressor, the refrigeration condenser and the refrigeration evaporator connect to form refrigeration
Loop, the refrigerant condenser, the freezer condenser and the refrigerating evaporator connect to form freezing refrigerating circuit；It is described too
Sun can also include electric-controlled plate, refrigeration relay, freezing relay and current detector, the solar energy for the electric refrigerating plant of formula
Plate, the refrigeration relay, the freezing relay and the current detector are connected with the electric-controlled plate respectively, the refrigeration
Relay is connected with the refrigeration compressor, and the freezing relay is connected with the refrigerant condenser, the current detector
Test side be connected to it is described refrigeration relay output end.
Further, the solar energy also includes refrigerated storage temperature sensor for the electric refrigerating plant of formula, and the refrigerated storage temperature is passed
Sensor is connected with the electric-controlled plate, and the refrigerated storage temperature sensor is located in the refrigerating chamber.
The present invention also provides a kind of control method of solar energy for the electric refrigerating plant of formula, is made using above-mentioned solar energy for formula electricity
Device for cooling；Specific control method includes：
The current value of step 1, the output end of current detector detection refrigeration relay；
If the current value that step 2, current detector are detected is more than the setting electric current value that electric-controlled plate prestores, open simultaneously
Dynamic refrigeration compressor and refrigerant condenser；
If the current value that step 3, current detector are detected is less than the setting value that electric-controlled plate prestores, only start refrigeration
Compressor.
Further, the solar energy also includes refrigerated storage temperature sensor, refrigerated storage temperature sensor for the electric refrigerating plant of formula
It is connected and is located in refrigerating chamber with electric-controlled plate；The step 3 also includes：
Step 31, refrigerated storage temperature sensor detect the temperature value of refrigerating chamber；
If the temperature value that step 32, refrigerated storage temperature sensor are detected is higher than the setting refrigerated storage temperature that electric-controlled plate prestores
Value, then compressor energization operation that Keep cool；
If the temperature value that step 33, refrigerated storage temperature sensor are detected is less than the setting refrigerated storage temperature that electric-controlled plate prestores
Value, then stop refrigeration compressor, and start refrigerant condenser.
Further, the step 3 also includes：Step 34, refrigerant condenser be powered operation after, if refrigerated storage temperature pass
The temperature value that sensor is detected is higher than the setting refrigerated storage temperature value that electric-controlled plate prestores, then stops refrigerant condenser, and restart
Refrigerate compressor.
The solar energy that the present invention is provided is for the electric refrigerating plant of formula and its control method, by setting cold on the top of refrigerating chamber
Hide and accompany the first cold-storage ice raft between evaporator, and the evaporator coil of refrigeration evaporator, in process of refrigerastion, refrigeration evaporation
Liquid in first cold-storage ice raft is first changed into solid by device, and cold is outwards distributed by multiple first cold-storage ice rafts, can be true
Cold insulation amount can uniformly discharge, meanwhile, the second cold-storage ice raft below refrigeration evaporator will uniformly receive the first cold-storage
The cold of ice raft release, using cold air sinking principle, the second cold-storage ice raft will be released finally to the vaccine storage area of refrigerating chamber bottom
The amount of letting cool, due to the second cold-storage ice raft is horizontally disposed can be from the downward released cold quantity of whole plane, it can be ensured that in refrigerating chamber
On the premise of temperature equalization, save and use blower fan and battery, realize the feature of environmental protection for improving solar energy for the electric refrigerating plant of formula.Separately
Outside, the cold indirectly produced refrigeration evaporator in the second cold-storage ice raft is discharged into vaccine storage area, it can be ensured that refrigerating chamber
Interior temperature is in rational scope without too low；Importantly, when solar panels do not produce electric energy, the first cold-storage ice raft
Can sustained release cold, effectively extend soaking time.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is structural representation of the solar energy of the present invention for the electric refrigerating plant embodiment of formula；
Fig. 2 is assembling of the solar energy of the present invention for refrigeration evaporator and the first cold-storage ice raft in the electric refrigerating plant embodiment of formula
Figure；
Fig. 3 is circuit theory diagrams of the solar energy of the present invention for the electric refrigerating plant embodiment of formula.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As Figure 1-Figure 2, the present embodiment solar energy is for the electric refrigerating plant of formula, including thermal insulation cabinet 100, solar panels（Not
Diagram）And refrigerating circuit, refrigerating circuit includes the compressor that connects together（It is not shown）, condenser（It is not shown）, refrigeration evaporation
Device 201 and refrigerating evaporator（It is not shown）, compressor electrically connects with solar panels, and thermal insulation cabinet 100 includes refrigerating chamber 101 and freezing
Room 102, refrigeration evaporator 201 is located at the top of refrigerating chamber 101, and refrigerating evaporator is located at refrigerating chamber 102, in addition to the first cold-storage
The cold-storage ice raft 401 of ice raft 301 and second, refrigeration evaporator 201 includes multiple rows of evaporator coil 2011, adjacent two rows evaporator plate
The first cold-storage ice raft 301 is provided between pipe 2011, thermally conductive sheet 3011, thermally conductive sheet are posted in the two sides of the first cold-storage ice raft 301
3011 abut on evaporator coil 2011, and the second cold-storage ice raft 401 is horizontally disposed and positioned at the bottom of refrigeration evaporator 201.
Specifically, refrigeration evaporator 201 is arranged on refrigerating chamber 101 by the present embodiment solar energy for the electric refrigerating plant of formula
Top, and the evaporator coil 2011 of the first cold-storage ice raft 301 and refrigeration evaporator 201 is combined together, freezing
Cheng Zhong, refrigeration evaporator 201 first by the liquid freezing in the first cold-storage ice raft 301 be solid during pass through the first cold-storage
Ice raft 301 outwards distributes cold.And the lower horizontal of refrigeration evaporator 201 is provided with the second cold-storage ice raft 401, multiple first store
Cold is uniformly discharged on the second cold-storage ice raft 401 by icy row 301, then indirectly will by the second cold-storage ice raft 401
Cold is uniformly discharged into the bottom of refrigerating chamber, and the cryogenic energy utilization cold air sinking principle that the second cold-storage ice raft 401 is discharged will be equal
Even freezes to cooling compartment, and the second cold-storage ice raft 401 is horizontally disposed, the whole surface of the second cold-storage ice raft 401
Downward released cold quantity, it can be ensured that the temperature equalization in refrigerating chamber, and save and use blower fan and battery.Wherein, first stores
The icy both sides of row 301 set thermally conductive sheet 3011, on the one hand, when refrigeration evaporator 201 freezes, heat-conducting plate 3011 will can be refrigerated
The cold that evaporator 201 is produced uniformly is delivered to the whole side of the first cold-storage ice raft 301 so that the first cold-storage ice raft 301
Can uniformly it be cooled, the liquid in the first cold-storage ice raft 301 is quickly switched to solid by realization；On the other hand, in refrigeration evaporation
Device 201 do not freeze and separately through the released cold quantity of the first cold-storage ice raft 301 during, heat-conducting plate 3011 can be by the first cold-storage
The cold at the middle part of ice raft 301 is effectively exported, and so that it is still solid to avoid the occurrence of the surrounding of the first cold-storage ice raft 301 to melt middle part
The state of body, more effectively extends insulation duration.Importantly, the second cold-storage ice raft under refrigeration evaporator 201
401 temperature that can effectively adjust refrigerating chamber 101 are maintained within the scope of reasonable temperature, specifically, due to refrigeration evaporator
201 temperature in process of refrigerastion is relatively low, if the cold that refrigeration evaporator 201 is produced is direct by the first cold-storage ice raft 301
The bottom of refrigerating chamber is discharged into, the temperature for refrigerating chamber 101 easily occur is too low and make it that vaccine is damaged, and passes through increase by second and store
Icy row 401, the cold that the second cold-storage ice raft 401 indirectly can produce refrigeration evaporator 201 is discharged under refrigerating chamber
Portion, so that it is guaranteed that the vaccine memory block of refrigerating chamber 101 is maintained within the scope of reasonable temperature.Wherein, second in the present embodiment
Cold-storage ice raft 401 is removably is arranged in refrigerating chamber 101, for example：The top of refrigerating chamber 101 is provided with heat-conducting plate 501, leads
Hot plate 501 is located at the lower section of refrigeration evaporator 201, and the second cold-storage ice raft 401 is placed on heat-conducting plate 501.Specifically, second stores
Icy row 401 is placed in refrigerating chamber 101 by heat-conducting plate 501, and heat-conducting plate 501 can be effectively by the second cold-storage ice raft 401
The cold of release is delivered to the lower space of refrigerating chamber 101；Multiple through holes are further opened with heat-conducting plate 501（It is not shown）, second
The cold that cold-storage ice raft 401 discharges can enter directly into the lower space of refrigerating chamber 101 by through hole, accelerate refrigerating efficiency.
Or, the top both sides of refrigerating chamber 101 are provided with slideway（It is not shown）, slideway is positioned at the lower section of refrigeration evaporator 201, the second storage
Icy row 401 is inserted in slideway.
The present embodiment solar energy is for the electric refrigerating plant of formula, by setting refrigeration evaporator on the top of refrigerating chamber, and cold
The first cold-storage ice raft is accompanied between the evaporator coil for hiding evaporator, in process of refrigerastion, refrigeration evaporator is first by the first cold-storage
Liquid in ice raft is changed into solid, and cold is outwards distributed by multiple first cold-storage ice rafts, it can be ensured that cold can be uniform
Release, meanwhile, the second cold-storage ice raft below refrigeration evaporator receives the cold that the first cold-storage ice raft discharges by uniform,
Using cold air sinking principle, the second cold-storage ice raft is by finally to the vaccine storage area released cold quantity of refrigerating chamber bottom, due to second
Cold-storage ice raft is horizontally disposed can be from the downward released cold quantity of whole plane, it can be ensured that the premise of the temperature equalization in refrigerating chamber
Under, save and use blower fan and battery, realize the feature of environmental protection for improving solar energy for the electric refrigerating plant of formula.In addition, in the second cold-storage
The cold that ice raft indirectly produces refrigeration evaporator is discharged into vaccine storage area, it can be ensured that the temperature in refrigerating chamber is reasonable
In the range of without too low；Importantly, when solar panels do not produce electric energy, the first cold-storage ice raft can sustained release it is cold
Amount, effectively extends soaking time.
Based on above-mentioned technical proposal, optionally, as shown in figure 3, compressor includes refrigeration compressor 2 and refrigerant condenser 3,
Condenser includes refrigeration condenser（It is not shown）And freezer condenser（It is not shown）, refrigeration compressor 2, refrigeration condenser and refrigeration
Evaporator connects to form refrigeration loop, and refrigerant condenser 3, freezer condenser and refrigerating evaporator connect to form freezing refrigeration
Loop；The present embodiment solar energy also includes electric-controlled plate 4, refrigeration relay 5, freezing relay 6 and electric current for the electric refrigerating plant of formula
Detector 7, solar panels 1, refrigeration relay 5, freezing relay 6 and current detector 7 are connected with electric-controlled plate 4 respectively, are refrigerated
Relay 5 is connected with refrigeration compressor 2, and freezing relay 6 is connected with refrigerant condenser 3, the test side connection of current detector 7
In the output end of refrigeration relay 5.
Specifically, the present embodiment solar energy is carried out independent for the electric refrigerating plant of formula using two sets of independent refrigerating circuits
Refrigeration, refrigeration loop is independently freezed to refrigerating chamber, and freezing refrigerating circuit is independently freezed to refrigerating chamber.Wherein,
The switch control of refrigeration compressor 2 and refrigerant condenser 3 is performed by electric-controlled plate 4, the electricity that the control solar panels 1 of electric-controlled plate 4 are produced
The supply of energy.In actual use, when extraneous intensity of illumination is preferable, solar panels 1 can produce enough electric energy and supply
Refrigeration compressor 2 and refrigerant condenser 3 are run simultaneously, then the control of electric-controlled plate 4 refrigeration compressor 2 and refrigerant condenser 3 are opened simultaneously
Dynamic, refrigeration loop and freezing refrigerating circuit are freezed simultaneously；And when extraneous intensity of illumination is weaker, the nothing of solar panels 1
The enough electric energy coolings of method generation hide compressor 2 and refrigerant condenser 3 is run simultaneously, and now, current detector 7 will detect cold
The current value for hiding the output end of relay 5 will be less than setting value, and electric-controlled plate 4 will control refrigeration compressor 2 to run, and stop freezing
Compressor 3, only refrigeration loop is freezed, to ensure the security of the vaccine preserved in refrigerating chamber.
The present embodiment solar energy includes for the specific control method of the electric refrigerating plant of formula：
The current value of step 1, the output end of the detection refrigeration relay 5 of current detector 7.Specifically, current detector 7 will
The current signal detected feeds back to electric-controlled plate 4, wherein, current detector 7 can be current detection circuit or current monitoring instrument
Etc. equipment.
If the current value that step 2, current detector 7 are detected is more than the setting electric current value that electric-controlled plate 4 prestores, simultaneously
Start refrigeration compressor 2 and refrigerant condenser 3.Specifically, the current value signals that electric-controlled plate 4 feeds back according to current detector 7, sentence
The power supply capacity of disconnected solar panels 1, and when current value is more than setting value, while starting refrigeration compressor 2 and refrigerant condenser 3
Operation so that refrigeration loop and freezing refrigerating circuit are freezed simultaneously.
If the current value that step 3, current detector 7 are detected is less than the setting value that electric-controlled plate 4 prestores, only start cold
Hide compressor 2.Specifically, electric-controlled plate 4 is when the power supply capacity for judging solar panels 1 is weaker, then only start refrigeration compressor 2.
By using two sets of independent refrigerating circuits, refrigeration loop is individually freezed to refrigerating chamber, freezing refrigeration
Loop is individually freezed to refrigerating chamber, and electric-controlled plate can control refrigeration to return according to the size of solar panels electric energy output
Road and freezing refrigerating circuit operation, when solar panels electric energy output is relatively low, the electricity that electric-controlled plate can produce solar panels
Refrigeration circuit operation can be supplied completely so that the temperature in refrigerating chamber meets the preservation requirement of vaccine, can more effectively extend
The temperature keeping time of refrigerating chamber, it is ensured that the security of vaccine, realize the reliability for improving solar energy for the electric refrigerating plant of formula.
Further, in addition to refrigerated storage temperature sensor 8, refrigerated storage temperature sensor 8 is connected with electric-controlled plate 4 and positioned at refrigeration
In room.Specifically, refrigerated storage temperature sensor 8 can detect the temperature in refrigerating chamber, and the temperature signal detected is fed back to
Electric-controlled plate 4.Under the conditions of low-light, the control refrigeration compressor 2 of electric-controlled plate 4, which is powered, runs and disconnects the power supply of refrigerant condenser 3,
Refrigerating chamber is freezed in refrigeration loop；When the temperature that refrigerated storage temperature sensor 8 detects refrigerating chamber is reduced to setting value
After below, refrigerant condenser 3 is powered by electric-controlled plate 4 runs and disconnects the power supply of refrigeration compressor 2, so that solar panels 1
The unnecessary electric energy supply refrigerant condenser 3 produced is run.In freezing refrigerating circuit process of refrigerastion, if refrigerated storage temperature sensor
8 detect refrigerating chamber temperature be higher than setting value after, electric-controlled plate 4 will control again refrigeration compressor 2 be powered run and disconnect cold
Freeze the power supply of compressor 3.In control process, step 3 also includes：
Step 31, refrigerated storage temperature sensor 8 detect the temperature value of refrigerating chamber；
If the temperature value that step 32, refrigerated storage temperature sensor 8 are detected is higher than the setting refrigerated storage temperature that electric-controlled plate 4 prestores
Value, then the energization operation of compressor 2 that Keep cool；
If the temperature value that step 33, refrigerated storage temperature sensor 8 are detected is less than the setting refrigerated storage temperature that electric-controlled plate 4 prestores
Value, then stop refrigeration compressor 2, and start refrigerant condenser 3.
It is preferred that, step 3 also includes：Step 34, refrigerant condenser 3 be powered operation after, if refrigerated storage temperature sensor 8
The temperature value detected is higher than the setting refrigerated storage temperature value that electric-controlled plate 4 prestores, then stops refrigerant condenser 3, and restart cold
Hide compressor 2.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of solar energy includes for the electric refrigerating plant of formula, including thermal insulation cabinet, solar panels and refrigerating circuit, the refrigerating circuit
Compressor, condenser, refrigeration evaporator and the refrigerating evaporator connected together, the compressor is electrically connected with the solar panels
Connect, the thermal insulation cabinet includes refrigerating chamber and refrigerating chamber, the refrigeration evaporator is located at the top of the refrigerating chamber, the frozen steamed
Send out device and be located at the refrigerating chamber, it is characterised in that also including the first cold-storage ice raft and the second cold-storage ice raft, the refrigeration evaporator
Including multiple rows of evaporator coil, the first cold-storage ice raft, described first are provided between evaporator coil described in adjacent two row
Thermally conductive sheet is posted in the two sides of cold-storage ice raft, and the thermally conductive sheet is abutted on the evaporator coil, the second cold-storage ice raft
It is horizontally disposed with and is located at the refrigeration evaporator bottom, the top of the refrigerating chamber is provided with heat-conducting plate, and the heat-conducting plate is located at
The lower section of the refrigeration evaporator, the second cold-storage ice raft is placed on the heat-conducting plate, is further opened with the heat-conducting plate
Multiple through holes；Cold is uniformly discharged on the second cold-storage ice raft by multiple first cold-storage ice rafts, then passes through institute
The indirect bottom that cold is uniformly discharged into the refrigerating chamber of the second cold-storage ice raft is stated, the second cold-storage ice raft is discharged
Cryogenic energy utilization cold air sinking principle uniformly the cooling compartment will be freezed.
2. solar energy according to claim 1 is for the electric refrigerating plant of formula, it is characterised in that the top both sides of the refrigerating chamber
Slideway is provided with, the slideway is located at the lower section of the refrigeration evaporator, and the second cold-storage ice raft is inserted in the slideway.
3. solar energy according to claim 1 or 2 is for the electric refrigerating plant of formula, it is characterised in that the compressor includes cold
Hide compressor and refrigerant condenser, the condenser includes refrigeration condenser and freezer condenser, it is the refrigeration compressor, described
Refrigeration condenser and the refrigeration evaporator connect to form refrigeration loop, the refrigerant condenser, the freezer condenser
Connect to form freezing refrigerating circuit with the refrigerating evaporator；The solar energy also includes electric-controlled plate for the electric refrigerating plant of formula, cold
Hide relay, freezing relay and current detector, the solar panels, the refrigeration relay, the freezing relay and
The current detector is connected with the electric-controlled plate respectively, and the refrigeration relay is connected with the refrigeration compressor, described cold
Freeze relay to be connected with the refrigerant condenser, the test side of the current detector is connected to the output of the refrigeration relay
End.
4. solar energy according to claim 3 is for the electric refrigerating plant of formula, it is characterised in that the solar energy is for formula electricity refrigeration
Device also includes refrigerated storage temperature sensor, and the refrigerated storage temperature sensor is connected with the electric-controlled plate, the refrigerated storage temperature sensing
Device is located in the refrigerating chamber.
5. a kind of solar energy is for the control method of the electric refrigerating plant of formula, it is characterised in that use described in the claims 3 too
Sun can be for the electric refrigerating plant of formula；Specific control method includes：
The current value of step 1, the output end of current detector detection refrigeration relay；
If the current value that step 2, current detector are detected is more than the setting electric current value that electric-controlled plate prestores, start simultaneously cold
Hide compressor and refrigerant condenser；
If the current value that step 3, current detector are detected is less than the setting value that electric-controlled plate prestores, only start refrigeration compression
Machine.
6. solar energy according to claim 5 is for the control method of the electric refrigerating plant of formula, it is characterised in that the solar energy
Also include refrigerated storage temperature sensor for the electric refrigerating plant of formula, refrigerated storage temperature sensor is connected and is located in refrigerating chamber with electric-controlled plate；
The step 3 also includes：
Step 31, refrigerated storage temperature sensor detect the temperature value of refrigerating chamber；
If the temperature value that step 32, refrigerated storage temperature sensor are detected is higher than the setting refrigerated storage temperature value that electric-controlled plate prestores,
Compressor energization operation that Keep cool；
If the temperature value that step 33, refrigerated storage temperature sensor are detected is less than the setting refrigerated storage temperature value that electric-controlled plate prestores,
Stop refrigeration compressor, and start refrigerant condenser.
7. solar energy according to claim 6 is for the control method of the electric refrigerating plant of formula, it is characterised in that the step 3
Also include：Step 34, after refrigerant condenser is powered operation, if the temperature value that detects of refrigerated storage temperature sensor is higher than automatically controlled
The setting refrigerated storage temperature value that plate prestores, then stop refrigerant condenser, and restart refrigeration compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN203798060U (en) * | 2014-03-31 | 2014-08-27 | 海尔集团公司 | Solar supply type electrical refrigeration device |
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| JPH10153375A (en) * | 1996-11-22 | 1998-06-09 | Matsushita Refrig Co Ltd | Freezer |
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| CN2709894Y (en) * | 2004-04-09 | 2005-07-13 | 河南新飞电器有限公司 | Cold-storage rack |
| CN2814277Y (en) * | 2005-05-24 | 2006-09-06 | 广东科龙电器股份有限公司 | Cold storage device for refrigerator |
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| CN104949425A (en) | 2015-09-30 |
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