A solar refrigeration and heating stick system

Abstract

The application discloses a solar refrigeration and heat rod system, which comprises a heat rod, a refrigeration system and a power generation system. The heat rod is installed in a permafrost area to transport the heat of the permafrost to the outside world. The refrigeration system generates cold energy and transports the cold energy to the heat rod. The power generation system supplies power to the refrigeration system based on wind and solar power generation. The application can drive the refrigeration system based on solar energy and wind energy, and the cold energy generated by the refrigeration system can assist the heat rod to refrigerate, so that the heat rod can also have a good heat conduction effect on the permafrost in the warm season, and the permafrost can be protected in the whole season. The solar refrigeration and heat rod system in the embodiment can be widely applied to the field of subgrade and pile foundation engineering in the permafrost area, and has important significance for engineering construction in cold regions. The application is widely applied to the technical field of permafrost treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of frozen soil treatment, and particularly relates to a solar refrigeration heat rod system. BACKGROUND

[0002] Frozen soil refers to various rocks and soil containing ice below zero degrees Celsius. Frozen soil can be generally divided into short-time frozen soil (hours / days to half a month), seasonal frozen soil (half a month to several months) and permafrost (also referred to as permanent frozen soil, which refers to a soil layer that is frozen for two years or more than two years without melting).

[0003] Frozen soil has rheological properties, and its long-term strength is far lower than the instantaneous strength characteristics. Frozen soil is extremely sensitive to temperature, and its thermodynamic properties and engineering stability properties are closely related to temperature. Due to these characteristics, when an engineering structure is built in a frozen soil area, two major dangers must be faced: frost heaving and thawing settlement. The strong heat absorption of asphalt pavement, the hydration heat disturbance of concrete pile foundation and other factors caused by the construction of railway, highway and power transmission line engineering activities in frozen soil will have adverse effects on frozen soil. On the other hand, frozen soil is also continuously degrading under the influence of global warming. Therefore, it is necessary to protect frozen soil, especially permafrost.

[0004] The current related technology uses a heat rod to protect frozen soil. The heat rod is a kind of high-efficiency one-way heat transfer device, which has been applied to railway, highway, power transmission tower foundation, oil pipeline and tunnel engineering in cold regions in the past. When the ambient temperature is lower than the temperature of frozen soil, the refrigerant (liquid ammonia) in the heat rod will evaporate in the evaporator by absorbing heat, and the steam will be liquefied in the condenser by releasing heat, and then return to the evaporator, so as to achieve the effect of cooling permafrost. However, since the heat rod must work when the ambient temperature is lower than the temperature of frozen soil, that is, it can only work in the cold season, and cannot play a refrigeration effect in the warm season, the overall protection effect of the current heat rod technology on frozen soil needs to be improved. SUMMARY

[0005] In view of the technical problems in the current frozen soil protection technology based on the heat rod, such as narrow application, the purpose of the present application is to provide a solar refrigeration heat rod system. The solar refrigeration heat rod system comprises:

[0006] a heat rod; the heat rod is used to be installed in a frozen soil area, and to transport the heat of frozen soil to the outside world;

[0007] a refrigeration system; the refrigeration system is used to generate cold energy, and to transport the cold energy to the heat rod;

[0008] a power generation system; the power generation system is used to generate power based on wind and light, and to supply power to the refrigeration system.

[0009] Further, the heat rod comprises a carbon seamless steel tube, a fin, a thermal insulation material and a refrigerant;

[0010] The carbon seamless steel tube comprises a condensing section, a reinforcing section and an evaporating section, the condensing section is a part exposed to air, and the evaporating section is a part buried in frozen soil;

[0011] The fin is installed outside the condensing section, and the thermal insulation material is wrapped outside the reinforcing section.

[0012] The refrigerant is installed inside the carbon seamless steel tube.

[0013] Further, the refrigeration system comprises a compressor, an air-cooled condenser, a capillary tube and a spiral copper tube;

[0014] The compressor, the air-cooled condenser, the capillary tube and the spiral copper tube form a refrigeration closed circuit;

[0015] The spiral copper tube is wound outside the reinforcing section.

[0016] Further, the power generation system comprises a fan, a photovoltaic panel, an electric energy controller and a storage battery;

[0017] The electric energy controller is connected with the fan, the photovoltaic panel and the storage battery respectively;

[0018] The electric energy controller is connected with the compressor;

[0019] The electric energy controller is used for unidirectional acquisition of electric energy from the fan and from the photovoltaic panel, bidirectional electric energy transmission with the storage battery, and supply of the obtained electric energy to the compressor and the condenser cooling fan.

[0020] Further, the electric energy controller is used for working in a first operation mode, a second operation mode, a third operation mode or a fourth operation mode;

[0021] In the first operation mode, the electric energy controller acquires electric energy from the fan and / or the photovoltaic panel, supplies electric energy to the compressor at no less than rated power, and delivers the remaining electric energy to the storage battery;

[0022] In the second operation mode, the electric energy controller acquires electric energy from the storage battery, and supplies electric energy to the compressor at no less than rated power;

[0023] In the third operation mode, the electric energy controller acquires electric energy from the fan and / or the photovoltaic panel, supplies electric energy to the compressor at less than rated power, and delivers the remaining electric energy to the storage battery;

[0024] In the fourth operation mode, the electric energy controller obtains electric energy from the battery to supply electric energy to the compressor at a power lower than a rated power.

[0025] Further, the electric energy controller is configured to obtain an environmental parameter and control the power supplied to the compressor according to the environmental parameter.

[0026] Further, the control of the power supplied to the compressor according to the environmental parameter comprises:

[0027] The cold load Q is calculated according to the formula Q=CVDT, wherein C is the volumetric heat capacity of the soil, V is the soil volume, and DT is the temperature rise of the frozen soil.

[0028] The annual average refrigeration capacity Q of the heat rod is calculated according to the following formula T ;

[0029] Q T =∫qdt

[0030]

[0031]

[0032]

[0033] eh=2.75+1.51v 0.2

[0034] wherein q is the refrigeration power of the heat rod, t is the heat rod refrigeration time, T s is the soil temperature, T a is the air temperature, R f is the condenser surface thermal resistance, R s is the thermal resistance of the soil around the evaporating section, A s is the condenser heat dissipation area, eh is the condenser surface heat exchange coefficient, lambda is the soil thermal conductivity of the evaporating section, z is the length of the evaporating section, and v is the average wind speed of the atmosphere.

[0035] The compression refrigeration capacity Q c is calculated according to the formula Q c =Q-Q T .

[0036] The compressor power P is determined according to the formula P=Q c / t compression refrigeration capacity.

[0037] Further, the electric energy controller is provided with a local storage space, and the power generation system further comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is installed in the condensing section, and the second temperature sensor is installed in the evaporating section.

[0038] Further, the obtaining the environment parameter comprises:

[0039] reading the volume heat capacity C of the soil, the soil volume V, the refrigeration power q of the heat rod, the heat rod refrigeration time t, the condenser surface thermal resistance R f , the soil thermal resistance R around the evaporation section s , the condenser heat dissipation area A s , the condenser surface heat exchange coefficient eh, the soil thermal conductivity coefficient Lambda of the evaporation section and the evaporation section length z from the local storage space;

[0040] measuring the air temperature T by the first temperature sensor a , measuring the soil temperature T by the second temperature sensor s and the frozen soil temperature rise amplitude Delta T;

[0041] measuring the average wind speed v of the atmosphere by the fan.

[0042] Further, the measuring the average wind speed v of the atmosphere by the fan comprises:

[0043] detecting the power generation voltage and / or the power generation current of the fan;

[0044] determining the average wind speed v of the atmosphere according to the power generation voltage and / or the power generation current.

[0045] The beneficial effects of the present application are: the solar refrigeration heat rod system in the embodiment can drive the refrigeration system based on solar energy and wind energy, and the cold quantity generated by the refrigeration system can assist the heat rod refrigeration, so that the heat rod can also have good heat conduction effect on the frozen soil in the warm season, and the full-season protection of the frozen soil is realized. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 is a structural diagram of the solar refrigeration heat rod system in the embodiment. DETAILED DESCRIPTION

[0047] In the embodiment, referring to Figure 1 , the solar refrigeration heat rod system comprises a power generation system S1, a refrigeration system S2 and a heat rod S3.

[0048] Referring to Figure 1 , the heat rod S1 comprises a carbon seamless steel pipe, which is divided into a condensation section 10, a reinforced section 12 and an evaporation section 14 from top to bottom, and the reinforced section 12 is wrapped with a layer of heat preservation material 13. When the heat rod is used, the carbon seamless steel pipe is inserted into the frozen soil area, wherein the condensation section 10 is exposed to the air, the evaporation section 14 is buried in the frozen soil, and most of the reinforced section 12 is buried in the frozen soil. The condensation section 10 is externally provided with fins 11 to increase the contact area with the air. The carbon seamless steel pipe is internally provided with refrigerant 15, and specifically, the composition of the refrigerant 15 can be ammonia.

[0049] In this embodiment, when the heat rod S1 is installed in the frozen earth area, the refrigerant 15 can absorb the heat of the frozen earth in the evaporation section 14, and transfer the heat to the condensation section 10, which releases the heat to the air, thereby avoiding the accumulation of heat in the frozen earth causing serious warming.

[0050] With reference to Figure 1 , the power generation system S1 includes a fan 1, a photovoltaic panel 2, an electric energy controller 3, and a storage battery 4. The fan 1 is connected to the electric energy receiving end of the electric energy controller 3, so that the electric energy generated by the fan 1 through wind power generation can flow unidirectionally into the electric energy controller 3. The photovoltaic panel 2 is connected to the electric energy receiving end of the electric energy controller 3, so that the electric energy generated by the photovoltaic panel 2 through photovoltaic power generation can flow unidirectionally into the electric energy controller 3. The storage battery 4 is connected to the discharge and charging dual-purpose end of the electric energy controller 3, and the electric energy controller 3 controls the electric energy flow direction of the discharge and charging dual-purpose end through internal switching devices. When the electric energy of the electric energy controller 3 is insufficient and the electric energy of the storage battery 4 is sufficient, the storage battery 4 can be discharged, and the electric energy flows from the storage battery 4 to the electric energy controller 3. When the electric energy controller 3 has surplus electric energy and the storage battery 4 is not fully charged, the electric energy controller 3 can output electric energy to the storage battery 4, and charge the storage battery 4.

[0051] With reference to Figure 1 , the refrigeration system S2 includes a compressor 5, a condenser heat dissipation fan 6, an air-cooled condenser 7, a capillary tube 8, and a spiral copper pipe 9. The output end of the compressor 5 is connected to the input end of the air-cooled condenser 7, the output end of the air-cooled condenser 7 is connected to the input end of the capillary tube 8, the output end of the capillary tube 8 is connected to the input end of the spiral copper pipe 9, and the output end of the spiral copper pipe 9 is connected to the input end of the compressor 5, thereby forming a refrigeration closed loop. The condenser heat dissipation fan 6 blows air to the air-cooled condenser 7 for heat dissipation.

[0052] The electric energy output end of the electric energy controller 3 is connected to the compressor 5 and the condenser heat dissipation fan 6, thereby providing the compressor 5 and the condenser heat dissipation fan 6 with electric energy required for operation.

[0053] In this embodiment, a direct-current variable-frequency motor can be used to drive the compressor 5, thereby achieving the effect of high efficiency and energy saving. An alternating-current motor can also be used to drive the compressor 5, in which case an inverter can be arranged to invert the direct-current electric energy provided by the electric energy controller 3 into alternating-current electric energy. The motor used by the condenser heat dissipation fan 6 can be a direct-current variable-frequency motor or an alternating-current motor.

[0054] When the refrigeration system S2 works, the refrigerant flows in the refrigeration closed circuit, thereby generating cold energy in the spiral copper pipe 9. The spiral copper pipe 9 is wound outside the reinforced section 12 of the carbon seamless steel pipe, thereby transmitting the cold energy to the heat rod S3, so that the heat rod S3 can superimpose the cold energy delivered by the refrigeration system S2 on the basis of the heat conduction capacity of the self-refrigerant, so that the heat rod S3 can enhance the ability of absorbing heat from the frozen soil.

[0055] In summary, the solar refrigeration heat rod system in the embodiment can drive the refrigeration system based on solar energy and wind energy, and the cold energy generated by the refrigeration system can assist the heat rod refrigeration, so that the heat rod can have good heat conduction effect on the frozen soil in the warm season, and the full-season protection of the frozen soil can be realized. The solar refrigeration heat rod system in the embodiment can be widely applied to the embankment and pile foundation engineering fields in the permafrost region, and has important significance for the construction of cold regions.

[0056] In the embodiment, the electric energy controller includes not only the switching device for controlling the flow direction of electric energy, but also the control device with the functions of detection, control and data processing. Specifically, the control device can be a single-chip microcomputer. The control device can work in different operation modes such as the first operation mode, the second operation mode, the third operation mode or the fourth operation mode. In each operation mode, the control device sends a corresponding control signal to the switching device, thereby controlling the flow direction of electric energy.

[0057] (1) When the power generation system can normally generate electricity in the daytime in the warm season, the control device can work in the first operation mode. At this time, the electric energy controller supplies the electric energy generated by the fan and the photovoltaic panel to the compressor at no less than the rated power of the compressor in the refrigeration system, thereby preferentially supplying the electric energy generated by the fan and the photovoltaic panel to the refrigeration system to work and generate the cold energy supplied to the heat rod; the control device delivers the remaining electric energy to the storage battery to charge the storage battery. Therefore, the first operation mode can be called the wind-solar power generation direct-drive compression high-frequency refrigeration mode.

[0058] (2) When the power generation system is insufficient in energy supply at night or in special weather such as rain, the control device can work in the second operation mode. At this time, the storage battery discharges to generate electric energy into the control device, and the control device supplies the electric energy generated by the storage battery to the compressor at no less than the rated power of the compressor in the refrigeration system, thereby supplying the electric energy generated by the storage battery to the refrigeration system to work and generate the cold energy supplied to the heat rod. Therefore, the second operation mode can be called the storage battery driven compression low-frequency refrigeration mode.

[0059] (3) When the ambient temperature is lower than the permafrost temperature in the cold season and the wind and solar power generation system generates sufficient electricity during the day, the control device can operate in the third operating mode. At this time, the heat rod itself also has a strong thermal conductivity. The power controller uses the electricity generated by the fan and photovoltaic panels to supply electricity to the compressor in the refrigeration system at a power lower than the rated power of the compressor, generating cooling capacity supplied to the heat rod. The cooling capacity of the heat rod and its own thermal conductivity can be combined to drain the heat in the permafrost. The control device transmits the remaining electricity to the battery to charge the battery. Therefore, the third operating mode can be called the parallel operation mode of wind and solar power generation direct-driven compression high-frequency refrigeration and thermosiphon refrigeration.

[0060] (4) When the wind and solar power generation system generates insufficient power during cold nights or during special weather conditions such as snowfall, the control device can operate in the fourth operating mode. At this time, the heat rod itself also has a strong thermal conductivity, the battery discharges to generate electricity, and the power controller supplies electricity to the compressor at a power lower than the rated power of the compressor in the refrigeration system, generating cooling capacity supplied to the heat rod. The cooling capacity of the heat rod and its own thermal conductivity are combined to drain the heat in the frozen soil. Therefore, the fourth operating mode can be called a battery-driven compression low-frequency refrigeration and thermosiphon refrigeration parallel operation mode.

[0061] In this embodiment, the power controller can not only supply power that meets the rated power to the compressor, or stop supplying power to the compressor, but also control the power of the power supplied to the compressor.

[0062] In this embodiment, the power controller is provided with an internal storage space, which can be used to obtain the volume heat capacity C of the soil in the frozen area, the soil volume V, the cooling power q of the heat rod, the cooling time t of the heat rod, and the surface thermal resistance R of the condenser through on-site survey and measurement, as well as querying product parameters. f , thermal resistance of soil around the evaporation section R s , condenser heat dissipation area A s , condenser surface heat exchange coefficient eh, evaporation section soil thermal conductivity λ and evaporation section length z and other parameters. These parameters are stored in the internal storage space of the power controller.

[0063] In this embodiment, the power generation system is provided with a first temperature sensor and a second temperature sensor. The first temperature sensor is installed at the condensing section of the heat rod and can measure the air temperature T a The second temperature sensor is installed in the evaporation section of the hot rod and can measure the soil temperature T s The first temperature sensor measures the air temperature T a The second temperature sensor measures the soil temperature T s Sent to the power controller.

[0064] In this embodiment, when the wind turbine transmits the electric energy generated by wind power generation to the power controller, the power controller measures the power generation voltage and / or power generation current of the wind turbine, and obtains the wind turbine speed based on the correspondence between the power generation voltage and / or power generation current and the wind turbine speed. Then, based on the correspondence between the wind turbine speed and the average atmospheric wind speed, the average atmospheric wind speed v is obtained.

[0065] In this embodiment, various parameters such as the volume heat capacity C of the soil obtained by the power controller are related to the environment and can be collectively referred to as environmental parameters.

[0066] After obtaining the environmental parameters, the power controller performs the following steps:

[0067] S1. Calculate the cooling load Q using the formula Q = CVΔT, where C is the volumetric heat capacity of the soil, V is the soil volume, and ΔT is the temperature rise of the frozen soil.

[0068] S2. Calculate the average annual cooling capacity Q of the heat rod according to the following formula T ;

[0069] Q T =∫qdt

[0070]

[0071]

[0072]

[0073] eh=2.75+1.51v 0.2

[0074] Among them, q is the cooling power of the hot rod, t is the cooling time of the hot rod, T s is the soil temperature, T a is the air temperature, R f is the condenser surface thermal resistance, R s is the thermal resistance of the soil around the evaporation section, A s is the heat dissipation area of ​​the condenser, eh is the heat exchange coefficient of the condenser surface, λ is the thermal conductivity of the soil in the evaporation section, z is the length of the evaporation section, and v is the average wind speed in the atmosphere;

[0075] S3. According to formula Q c =QQ T Calculate the compression cooling capacity Q c ;

[0076] S4. According to the formula P=Q c / tThe compression cooling capacity determines the compressor power P.

[0077] By executing steps S1-S4, the electric energy controller calculates the power P that needs to be output by the refrigeration system to meet the good heat conduction of the hot stick to the frozen soil under the current environmental parameters, and the power that needs to be delivered to the compressor in the refrigeration system. The electric energy power delivered by the electric energy controller to the compressor in the refrigeration system is P. When the power generation power of the power generation system is greater than P, the electric energy controller uses the remaining power to supply power to the battery; when the power generation power of the power generation system is less than P, the battery discharges to make up the power P.

[0078] By executing steps S1-S4, the power of the refrigeration system can be dynamically controlled, so that the cooling capacity generated by the refrigeration system is superimposed with the heat conduction effect of the hot stick itself, which can meet the heat dissipation demand of the frozen soil, realize the full use of the power generation power of the power generation system and the discharge power of the battery, and guarantee the continuous working ability of the solar refrigeration hot stick system in the field.

[0079] In summary, the solar refrigeration hot stick system in the embodiment has the following advantages:

[0080] (1) Combining new energy utilization technology and refrigeration technology, wind-solar hybrid power generation is adopted, which alleviates the instability of pure wind or photovoltaic power generation;

[0081] (2) It can make full use of abundant clean energy such as solar energy and wind energy in the field, especially in plateau areas, to realize green refrigeration;

[0082] (3) Intelligent electric energy controller and direct current frequency conversion compressor are adopted, which greatly improves the operation stability of the compression refrigeration system.

[0083] (4) The combination of solar refrigeration and hot stick phase change refrigeration can realize all-weather 24-hour continuous refrigeration.

[0084] (5) The structure of the solar refrigeration hot stick is simple, except for the spiral copper pipe, other components of the compression refrigeration system can be independently packaged, which is convenient for transportation and on-site installation.

[0085] It should be noted that, as used in this disclosure and unless otherwise specified, an "and / or," where used, refers to a combination of that which is specified and / or one or both described with such term. In other words, "A, B, and / or C" means "only A," "only B," "only C," "A and B," "A and C," "B and C," or "A and B and C." It should also be noted that, as used in this disclosure and unless otherwise specified, a "plurality" means two or more, and a "combination" means two or more.

[0086] It should be understood that, although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited to these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element without departing from the scope of the disclosure. The use of any and all examples, or exemplary language (e.g., "such as" and "like") provided herein, is intended merely to better illuminate embodiments of the disclosure and does not pose a limitation on the scope of the disclosure unless otherwise claimed.

[0087] It should be appreciated that embodiments of the present application can be realized by a computer hardware, a combination of hardware and software, or by computer instructions stored on a non-transitory computer readable storage medium. The method can be implemented in a computer program using standard programming techniques - including non-transitory computer readable storage medium configured with a computer program where the storage medium so configured causes a computer to operate in a specific and predefined manner described in the embodiments and drawings according to the methods described in the embodiments. Each program can be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the programs can be implemented in assembly or machine language, if so desired. In any case, the language can be a compiled or interpreted language. Also, the programs can be able to run on a specially programmed integrated circuit.

[0088] Further, the operations of the processes described in this embodiment can be performed in any suitable order, unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described in this embodiment (or variations and / or combinations thereof) can be implemented under the control of one or more computer systems configured with executable instructions (e.g., computer programs, one or more computer programs, or one or more applications) to perform the functionality described herein, and can be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) executing collectively on one or more processors, by hardware, or combinations thereof. The computer programs include a plurality of instructions that are executable by one or more processors.

[0089] Further, the methods can be implemented in any suitable type of computing platform operatively coupled to any suitable type of computing platform, including but not limited to a personal computer, a mini-computer, a mainframe, a workstation, a network or distributed computing environment, a stand-alone or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the present application can be implemented in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated to the computing platform, such as a hard disk, an optical read and / or write storage medium, RAM, ROM, and the like, such that it can be read by a programmable computer to configure and operate the computer to perform the processes described herein when the storage medium or device is read by the computer. Further, the machine-readable code, or portions thereof, can be transmitted over wired or wireless networks. The present application described in this embodiment includes these and other different types of non-transitory computer readable storage media when such media include instructions or programs to implement the steps described above in conjunction with a microprocessor or other data processor. The present application also includes the computer itself when programmed according to the methods and techniques described in the present application.

[0090] The computer programs can be applied to input data to perform the functions described in this embodiment, thereby transforming the input data to generate output data that is stored to non-volatile memory. The output information can also be applied to one or more output devices, such as a display. In preferred embodiments of the present application, the transformed data represents a physical and tangible object, including a particular visual depiction of a physical and tangible object produced on a display.

[0091] The above description is only preferred embodiments of the present application, the present application is not limited to the above-described embodiments, as long as the same means to achieve the technical effects of the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application. The technical solutions and / or embodiments within the scope of protection of the present application can have various modifications and changes.

Claims

1. A solar-powered refrigeration and heat stick system, characterized by, The solar refrigeration and heat rod system comprises: a heat rod, which is used for installation in a frozen earth area and for transporting heat of the frozen earth to the outside; a refrigeration system, which is used for generating cold energy and for transporting the cold energy to the heat rod; a power generation system, which is used for supplying power to the refrigeration system based on wind and solar power generation; the heat rod comprises a carbon seamless steel pipe, fins, thermal insulation material and refrigerant; the carbon seamless steel pipe comprises, from top to bottom, a condensation section, a strengthening section and an evaporation section, the condensation section is a part exposed to air, the strengthening section is an active refrigeration area of the refrigeration system, and the evaporation section is a part buried in the frozen earth; and a part of the strengthening section is buried in the frozen earth; the fins are installed outside the condensation section, and the thermal insulation material is wrapped outside the spiral copper pipe of the strengthening section; the refrigerant is installed inside the carbon seamless steel pipe; the refrigeration system comprises a compressor, an air-cooled condenser, a capillary tube and a spiral copper pipe; the compressor, the air-cooled condenser, the capillary tube and the spiral copper pipe form a refrigeration closed circuit; the spiral copper pipe is wound outside the strengthening section; the power generation system comprises a fan, a photovoltaic panel, an electric energy controller and a storage battery; the electric energy controller is connected with the fan, the photovoltaic panel and the storage battery respectively; the electric energy controller is connected with the compressor; the electric energy controller is used for unidirectional acquisition of electric energy from the fan and from the photovoltaic panel, bidirectional electric energy transmission with the storage battery, and supply of the obtained electric energy to the compressor and a condenser cooling fan; the electric energy controller is used for working in a first operation mode, a second operation mode, a third operation mode or a fourth operation mode; in the first operation mode, the electric energy controller acquires electric energy from the fan and / or the photovoltaic panel, supplies electric energy to the compressor at no less than rated power, and transports the remaining electric energy to the storage battery; in the second operation mode, the electric energy controller acquires electric energy from the storage battery, and supplies electric energy to the compressor at no less than rated power; in the third operation mode, the electric energy controller acquires electric energy from the fan and / or the photovoltaic panel, supplies electric energy to the compressor at less than rated power, and transports the remaining electric energy to the storage battery; in the fourth operation mode, the electric energy controller acquires electric energy from the storage battery, and supplies electric energy to the compressor at less than rated power; the electric energy controller is used for acquiring an environmental parameter and controlling power supplied to the compressor according to the environmental parameter; the control of the power supplied to the compressor according to the environmental parameter comprises: Computing cooling load Q ; Calculating the annual average refrigeration capacity of a heat rod Q T ; According to the formula The compression refrigeration capacity is calculated Q c ; According to the formula Determine the compressor power P , t is the heat rod cooling time.

2. The solar-powered refrigeration and heat stick system of claim 1, wherein, the electric energy controller is provided with a local storage space, and the power generation system further comprises a first temperature sensor and a second temperature sensor, the first temperature sensor is installed at the condensation section, and the second temperature sensor is installed at the evaporation section.

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