CN108548350A - A kind of solar refrigeration control system and its control method - Google Patents
A kind of solar refrigeration control system and its control method Download PDFInfo
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- CN108548350A CN108548350A CN201810304331.2A CN201810304331A CN108548350A CN 108548350 A CN108548350 A CN 108548350A CN 201810304331 A CN201810304331 A CN 201810304331A CN 108548350 A CN108548350 A CN 108548350A
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- control system
- temperature sensor
- refrigeration
- solar
- heat
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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
- F25B49/00—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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of solar refrigeration control system and its control methods, including solar panel, charge controller, accumulator group, inverter, control system and refrigeration system, the output end of the solar panel and the input terminal of charge controller connect, the output end of the charge controller respectively with accumulator group, inverter input terminal connects, the inverter output end is connected with control system, the control system is also associated with refrigeration system, the refrigeration system includes semiconductor diode cooling piece, combination cooling solution, radiating fin, fan house and moist closet.The present invention uses solar energy to provide power for refrigeration system, the energy is saved, while refrigeration system is combined using semiconductor chilling plate with cooling solution, and semiconductor chilling plate heating part constant temperature is made, refrigerating efficiency is substantially increased, while decreasing the utilization rate of the energy.
Description
Technical field
The invention belongs to refrigeration technology fields, and in particular to a kind of solar refrigeration control system and its control method.
Background technology
Traditional refrigeration equipment is freezed using power drives compressor operating, using secondary energy sources as dynamic
Power cannot directly utilize solar energy, and electric power is mainly converted using coal, oil or natural gas by power generation, and coal, stone
Oil, these natural energy not only can be exhausted, can also cause environmental pollution, and solar energy has and widely opens as clean energy resource
Hair foreground, the device in relation to the utilization sun emerges one after another, such as solar water heater has come into people’s lives.
Invention content
Goal of the invention：The purpose of the present invention is to solve deficiencies in the prior art, provide a kind of using solar energy work
For refrigeration system, while refrigeration system is combined using semiconductor chilling plate with refrigerant solution, and refrigerating efficiency is substantially increased
Solar refrigeration control system and its control method.
Technical solution：A kind of solar refrigeration control system of the present invention, including solar panel, charge control
Device, accumulator group, inverter, control system and refrigeration system, the output end of the solar panel and charge controller
Input terminal connects, and the output end of the charge controller is connect with accumulator group, inverter input terminal respectively, and the inverter is defeated
Outlet is connected with control system, and the control system is also associated with refrigeration system；
The refrigeration system includes semiconductor diode cooling piece, combination cooling solution, radiating fin, fan house and heat preservation
The side of room, the combination cooling solution is equipped with semiconductor diode cooling piece, and the other side of the combination cooling solution is equipped with
The outside of radiating fin, the radiating fin is equipped with fan house and moist closet, and wind turbine, moist closet connection are equipped in the fan house
There is Heat-insulation valve, temperature sensor Ti is equipped in semiconductor diode cooling piece, temperature sensor Tw, wind are equipped at radiating fin
Temperature sensor TE is equipped at the air outlet of machine room.
Further, the combination cooling solution is using Sodium acetate trihydrate, the mixed solution of ammonium acetate and nucleating agent.
Further, the nucleating agent uses borax.
Further, the moist closet is located at the top of fan house.
The invention also discloses a kind of above-mentioned control methods of solar refrigeration control system, include the following steps：
（1）It is semiconductor diode cooling piece when detection temperature sensor Ti is greater than 0 DEG C（1）Work, partly leads when less than -1 DEG C
Body diode cooling piece is stopped；
（2）Whether detection temperature sensor TE is no to enter step less than 30 DEG C（3）；Being further detection temperature sensor Tw is
It is no to be more than 53 DEG C, it is to open wind turbine and Heat-insulation valve, it is no to enter step（3）；
（3）It closes wind turbine and Heat-insulation valve, flow terminates；
（4）Semiconductor diode cooling piece works, and whether detection temperature sensor Tw is more than 53 DEG C, is to enter step（5）, it is no into
Enter step（6）；
（5）Wind turbine and Heat-insulation valve are opened, until detecting that temperature sensor Tw is less than 53 DEG C, is entered step（6）；
（6）It closes Heat-insulation valve and enters heat preservation operation.
Advantageous effect：The present invention uses solar energy to provide power for refrigeration system, has saved the energy, while refrigeration system
It is combined with cooling solution using semiconductor chilling plate, makes semiconductor chilling plate heating part constant temperature, substantially increase refrigeration effect
Rate, while decreasing the utilization rate of the energy.It is relatively low using night environment temperature simultaneously, make the heat release of combination cooling dope and ties
Crystalline substance, when day temperature is high, refrigeration system utilizes semiconductor hot junction constant temperature warming, keeps refrigerant system efficiency higher, power consumption seldom.
Description of the drawings
Fig. 1 is the solar refrigeration system overall structure diagram of the present invention；
Fig. 2 is the refrigerant system configurations schematic diagram of the present invention；
Fig. 3 is mixed solution cooling curve figure；
Fig. 4 is mixed solution DSC thermal analysis curve figures.
Specific implementation mode
Technical scheme of the present invention is described in further detail with reference to specific embodiment.
A kind of solar refrigeration control system as shown in Figure 1, including solar panel, charge controller, accumulator
Group, inverter, control system and refrigeration system, the output end of the solar panel and the input terminal of charge controller connect
It connects, the output end of the charge controller is connect with accumulator group, inverter input terminal respectively, the inverter output end connection
There are control system, the control system to be also associated with refrigeration system.
As shown in Fig. 2, the refrigeration system includes semiconductor diode cooling piece 1, combination cooling solution 2, radiating fin
The side of piece 3, fan house 4 and moist closet 9, the combination cooling solution 2 is equipped with semiconductor diode cooling piece 1, the mixing
The other side of cooling solution 2 is equipped with radiating fin 3, and the outside of the radiating fin 3 is equipped with fan house 4 and moist closet 9, moist closet
9 are located at the top of fan house 4.Wind turbine is equipped in the fan house 4, moist closet 9 is connected with Heat-insulation valve 5, semiconductor diode
It is equipped with temperature sensor Ti 6 in cooling piece 1, temperature sensor Tw 7 is equipped at radiating fin 3, is equipped at 4 air outlet of fan house
Temperature sensor TE 8.
Preferably, the combination cooling solution 2 is described using Sodium acetate trihydrate, the mixed solution of ammonium acetate and nucleating agent
Nucleating agent uses why borax, mixed solution of the invention use the mixed solution of Sodium acetate trihydrate, ammonium acetate and nucleating agent,
Concrete analysis is as follows：
Sodium acetate trihydrate is studied with ammonium acetate binary system in Added Nucleating Agents（1.1% borax）Phase transition temperature afterwards and enthalpy of phase change.
1. the measurement of cooling curve
As shown in figure 3, recording a temperature value every 15s, the system phase transition temperature can be obtained at 51.1 DEG C -67 DEG C or so
2. the test of differential heat, as shown in Figure 4.
From the foregoing, it will be observed that since semiconductor diode cooling piece maximum operating temperature is about 70 DEG C, so the system is complete
Meet semiconductor chilling plate operating condition.
A kind of control method of above-mentioned solar refrigeration control system, includes the following steps：
（1）It is semiconductor diode cooling piece when detection temperature sensor Ti is greater than 0 DEG C（1）Work, partly leads when less than -1 DEG C
Body diode cooling piece is stopped；
（2）Whether detection temperature sensor TE is no to enter step less than 30 DEG C（3）；Being further detection temperature sensor Tw is
It is no to be more than 53 DEG C, it is to open wind turbine and Heat-insulation valve, it is no to enter step（3）；
（3）It closes wind turbine and Heat-insulation valve, flow terminates；
（4）Semiconductor diode cooling piece works, and whether detection temperature sensor Tw is more than 53 DEG C, is to enter step（5）, it is no into
Enter step（6）；
（5）Wind turbine and Heat-insulation valve are opened, until detecting that temperature sensor Tw is less than 53 DEG C, is entered step（6）；
（6）It closes Heat-insulation valve and enters heat preservation operation.
The present invention uses solar energy to provide power for refrigeration system, has saved the energy, while refrigeration system is used and partly led
Body cooling piece is combined with cooling solution, is made semiconductor chilling plate heating part constant temperature, is substantially increased refrigerating efficiency, while
Reduce the utilization rate of the energy.It is relatively low using night environment temperature simultaneously, make the heat release of combination cooling dope and crystallizes, day temperature
Gao Shi, refrigeration system utilize semiconductor hot junction constant temperature warming, keep refrigerant system efficiency higher, power consumption seldom.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention
To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (5)
1. a kind of solar refrigeration control system, it is characterised in that：Including solar panel, charge controller, accumulator group,
Inverter, control system and refrigeration system, the output end of the solar panel and the input terminal of charge controller connect, institute
The output end for stating charge controller is connect with accumulator group, inverter input terminal respectively, and the inverter output end is connected with control
System processed, the control system are also associated with refrigeration system；
The refrigeration system includes semiconductor diode cooling piece（1）, combination cooling solution（2）, radiating fin（3）, wind turbine
Room（4）And moist closet（9）, the combination cooling solution（2）Side be equipped with semiconductor diode cooling piece（1）, the mixing
Cooling solution（2）The other side be equipped with radiating fin（3）, the radiating fin（3）Outside be equipped with fan house（4）And moist closet
（9）, the fan house（4）It is interior to be equipped with wind turbine, moist closet（9）It is connected with Heat-insulation valve（5）, semiconductor diode cooling piece（1）
It is interior to be equipped with temperature sensor Ti（6）, radiating fin（3）Place is equipped with temperature sensor Tw（7）, fan house（4）It is equipped at air outlet
Temperature sensor TE（8）.
2. a kind of solar refrigeration control system according to claim 1, it is characterised in that：The combination cooling solution
（2）Using the mixed solution of Sodium acetate trihydrate, ammonium acetate and nucleating agent.
3. a kind of solar refrigeration control system according to claim 2, it is characterised in that：The nucleating agent uses boron
Sand.
4. a kind of solar refrigeration control system according to claim 1, it is characterised in that：The moist closet（9）It is located at
Fan house（4）Top.
5. a kind of control method of solar refrigeration control system, feature exist according to any one of claims 1-4
In：Include the following steps：
（1）It is semiconductor diode cooling piece when detection temperature sensor Ti is greater than 0 DEG C（1）Work, partly leads when less than -1 DEG C
Body diode cooling piece is stopped；
（2）Whether detection temperature sensor TE is no to enter step less than 30 DEG C（3）；Being further detection temperature sensor Tw is
It is no to be more than 53 DEG C, it is to open wind turbine and Heat-insulation valve, it is no to enter step（3）；
（3）It closes wind turbine and Heat-insulation valve, flow terminates；
（4）Semiconductor diode cooling piece works, and whether detection temperature sensor Tw is more than 53 DEG C, is to enter step（5）, it is no into
Enter step（6）；
（5）Wind turbine and Heat-insulation valve are opened, until detecting that temperature sensor Tw is less than 53 DEG C, is entered step（6）；
（6）It closes Heat-insulation valve and enters heat preservation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304331.2A CN108548350B (en) | 2018-04-08 | 2018-04-08 | Solar refrigeration control system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304331.2A CN108548350B (en) | 2018-04-08 | 2018-04-08 | Solar refrigeration control system and control method thereof |
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| Publication Number | Publication Date |
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| CN108548350A true CN108548350A (en) | 2018-09-18 |
| CN108548350B CN108548350B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810304331.2A Active CN108548350B (en) | 2018-04-08 | 2018-04-08 | Solar refrigeration control system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653836A (en) * | 2019-10-31 | 2020-01-07 | 西南交通大学 | Intelligent food delivery robot combined with food heat preservation system and delivery method |
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| CN101767685A (en) * | 2010-01-21 | 2010-07-07 | 中国人民解放军南京军区南京总医院 | Medical refrigerated transport case |
| CN201865147U (en) * | 2010-07-30 | 2011-06-15 | 深圳安吉尔饮水产业集团有限公司 | Solar water producing machine |
| WO2014129886A1 (en) * | 2013-02-25 | 2014-08-28 | Marcus Jozef Gertrudis Zelissen | Thermoelectric heat transferring system |
| US20150198380A1 (en) * | 2012-07-18 | 2015-07-16 | University Of Virginia Patent Foundation | Heat transfer device for high heat flux applications and related methods thereof |
| CN105351899A (en) * | 2015-09-23 | 2016-02-24 | 华南理工大学 | LED heat-dissipating device adopting semiconductor refrigerating plate and phase change materials |
-
2018
- 2018-04-08 CN CN201810304331.2A patent/CN108548350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767685A (en) * | 2010-01-21 | 2010-07-07 | 中国人民解放军南京军区南京总医院 | Medical refrigerated transport case |
| CN201865147U (en) * | 2010-07-30 | 2011-06-15 | 深圳安吉尔饮水产业集团有限公司 | Solar water producing machine |
| US20150198380A1 (en) * | 2012-07-18 | 2015-07-16 | University Of Virginia Patent Foundation | Heat transfer device for high heat flux applications and related methods thereof |
| WO2014129886A1 (en) * | 2013-02-25 | 2014-08-28 | Marcus Jozef Gertrudis Zelissen | Thermoelectric heat transferring system |
| CN105351899A (en) * | 2015-09-23 | 2016-02-24 | 华南理工大学 | LED heat-dissipating device adopting semiconductor refrigerating plate and phase change materials |
Non-Patent Citations (1)
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Cited By (1)
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| CN110653836A (en) * | 2019-10-31 | 2020-01-07 | 西南交通大学 | Intelligent food delivery robot combined with food heat preservation system and delivery method |
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| CN108548350B (en) | 2020-09-25 |
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