CN115682653A - Photovoltaic drying device - Google Patents
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- CN115682653A CN115682653A CN202211171812.3A CN202211171812A CN115682653A CN 115682653 A CN115682653 A CN 115682653A CN 202211171812 A CN202211171812 A CN 202211171812A CN 115682653 A CN115682653 A CN 115682653A
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- 238000001035 drying Methods 0.000 title claims abstract description 109
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007791 dehumidification Methods 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of photovoltaic drying, in particular to a photovoltaic drying device which comprises a heat pump system, a drying chamber, a photovoltaic heat pump air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module. The lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with a hot air inlet pipe, and the second end of the drying air pipe is connected with a hot air outlet pipe; a third end of the photovoltaic heat pump air pipe is provided with a photovoltaic cooling fan and is connected with an air inlet pipe of the photovoltaic hot air system, and an air outlet pipe of the photovoltaic hot air system is connected with a fourth end of the photovoltaic heat pump air pipe; a condenser of the heat pump system is arranged in the hot air inlet pipe, the first evaporator is arranged at the third end of the photovoltaic heat pump air pipe, the second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged behind the condenser. The solar photovoltaic photo-thermal component utilizes solar energy, so that the power generation efficiency of the photovoltaic photo-thermal component can be improved, and the energy-saving effect of a heat pump system is also improved.
Description
Technical Field
The invention belongs to the technical field of photovoltaic drying, and particularly relates to a photovoltaic drying device.
Background
The traditional drying method is solar irradiation, and then is developed into a coal boiler, an oil-fired boiler and microwave drying for meeting production requirements, because of the continuous reduction of world energy and the gradual deterioration of the environment, the implementation of national environmental protection and energy saving policies is provided, various measures for realizing the aim of double carbon are provided, solar energy with the characteristics of wide sources, cleanness, harmlessness, sustainability and the like is taken as a relatively mature industry in new energy industry, and the method becomes an important strategic task for solving the energy shortage in China and protecting the ecological environment. With the development of society, more and more products needing drying in industrial products and agricultural products are generated, and more heat pump drying is widely applied under the policy of changing coal into electricity in China. But the drying of the heat pump driven by electric energy is also an energy-consuming product and only relatively saves energy. Therefore, how to effectively combine the heat pump with the photovoltaic solar energy, further improve the energy saving and consumption reduction of the heat pump, and improve the efficiency becomes a problem to be solved urgently in the field of heat pump drying at present.
Disclosure of Invention
The invention aims to provide a photovoltaic drying device, which can effectively improve the energy-saving effect of a heat pump by combining photovoltaic and the heat pump.
In order to achieve the purpose, the invention provides a photovoltaic drying device which comprises a heat pump system, a drying chamber, a photovoltaic heat pump air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module;
the lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with the hot air inlet pipe, and the second end of the drying air pipe is connected with the hot air outlet pipe;
the third end of the photovoltaic heat pump air pipe is provided with the photovoltaic cooling fan and is connected with an air inlet pipe of the photovoltaic hot air system, and an air outlet pipe of the photovoltaic hot air system is connected with the fourth end of the photovoltaic heat pump air pipe;
a condenser of the heat pump system is arranged in the hot air inlet pipe, a first evaporator is arranged at the fourth end of the photovoltaic heat pump air pipe, a second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged behind the condenser;
the control module is respectively connected with the photovoltaic heat pump system, the photovoltaic cooling fan, the drying fan, the storage battery and the photovoltaic hot air system.
Preferably, in the above technical scheme, the heat pump system further comprises a throttle valve, a filter valve, a gas-liquid separator, a liquid storage tank and a compressor; the export of condenser, choke valve, filter valve, vapour and liquid separator and the import of the first evaporimeter and the second evaporimeter that connect with parallel connection connect gradually, the import of condenser, compressor, liquid storage pot and the export of the first evaporimeter and the second evaporimeter that connect with parallel connection connect gradually.
Preferably, in the above technical solution, the photovoltaic hot air system includes a photovoltaic hot air module, and the photovoltaic hot air module includes a frame, a photovoltaic module, and a heat insulation board; the photovoltaic module and the heat insulation board are arranged in the frame, a closed cavity is defined by the lower end face of the photovoltaic module, the upper end face of the heat insulation board and the inner side face of the frame, and the air inlet pipe and the air outlet pipe are respectively communicated with the cavity.
Preferably, in the above technical scheme, the photovoltaic hot air system is composed of a plurality of photovoltaic hot air modules, a plurality of the air inlet pipes and the air outlet pipes of the photovoltaic hot air modules are sequentially connected in series to form a photovoltaic hot air module, a plurality of the air inlet pipes of the photovoltaic hot air modules are connected with a total air inlet pipe, and the air outlet pipe is connected with a total air outlet pipe.
Preferably, in the above technical scheme, the solar air conditioner further comprises an exhaust pipe provided with a photovoltaic hot air exhaust valve and a photovoltaic hot air circulation valve; the outer discharge pipe and the photovoltaic hot air circulating valve are connected with the air outlet pipe.
Preferably, among the above-mentioned technical scheme, still including the photovoltaic new trend tuber pipe that is equipped with photovoltaic new trend control valve, the photovoltaic new trend tuber pipe is connected outer calandria.
Preferably, in the above technical scheme, the drying device further comprises a drying fresh air pipe provided with a drying fresh air control valve, wherein the second end of the drying air pipe is connected with the hot air outlet pipe through a drying circulating air pipe, and the drying fresh air pipe is communicated with the drying circulating air pipe.
Preferably, in the above aspect, the dehumidifier further includes a dehumidifier, and the dehumidifier includes: fin, semiconductor refrigeration piece and cooling fin, the drying chamber lateral part is equipped with auxiliary chamber, the semiconductor refrigeration piece install in between drying chamber and the auxiliary chamber, fin, semiconductor refrigeration piece and cooling fin set up with the mode of laminating in proper order, the fin is located the drying chamber just corresponds the hot junction of semiconductor refrigeration piece, the cooling fin is located auxiliary chamber just corresponds the cold junction of semiconductor refrigeration piece, the outlet has been seted up to the auxiliary chamber lower extreme, control module is connected with the semiconductor refrigeration piece, auxiliary chamber passes through auxiliary pipeline and connects the cold air pipe of photovoltaic circulation, auxiliary pipeline is equipped with the dehumidification mounting cavity with the tie point of photovoltaic circulation cold air pipe, the dehumidification mounting cavity is equipped with detachable dehumidification cotton.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the photovoltaic drying device, the circulating air is used for conveying heat generated by the solar cell panel during power generation to the evaporator for absorption, and meanwhile, the electric energy generated by the photovoltaic photo-thermal component drives the heat pump, so that the purpose of fully utilizing the solar energy is achieved, and the power generation efficiency of the photovoltaic photo-thermal component is improved. And the energy-saving effect of the heat pump system is also improved. The photovoltaic photo-thermal and heat pump technology is integrated, clean and environment-friendly solar energy is fully utilized, and the ecological economic purpose of high-efficiency utilization and cyclic utilization of resources is achieved.
2. The heating system adopts one to two, namely one compressor drives two evaporators, so that circulating air with higher temperature and humidity from the drying chamber does not enter the photovoltaic photo-thermal assembly, and the system efficiency is improved.
Drawings
Fig. 1 is a first structural diagram of a photovoltaic drying apparatus of the present invention.
Fig. 2 is a block diagram of a photovoltaic hot air system of the present invention.
Fig. 3 is a second block diagram of the photovoltaic hot air system of the present invention.
Description of the main reference numerals:
1. the system comprises a drying chamber, 2. A condenser, 3. A throttle valve, 4. A filter valve, 5. A gas-liquid separator, 6. A photovoltaic heat pump air pipe, 7. A photovoltaic cooling fan, 8. A first evaporator, 9. A photovoltaic hot air exhaust valve, 10. A photovoltaic hot air circulating valve, 11. A drying circulating air pipe, 12. A photovoltaic circulating cold air pipe, 13. A photovoltaic circulating hot air pipe, 14. A photovoltaic component, 15. A drying fresh air control valve, 16. A drying fresh air pipe, 17. A photovoltaic fresh air control valve, 18. A drying air pipe, 19. A second evaporator, 20. A liquid storage tank, 21. A compressor, 22. A drying fan, 23. An electric wire, 24. A control module, 25. A frame, 26. A photovoltaic component, 27. An air outlet pipe, 28. A heat insulation board, 29. An air inlet pipe, 30. An auxiliary chamber, 31. A semiconductor refrigerating sheet, 32. A cooling sheet, 33. A cooling fin, 34. A water outlet, 35. An auxiliary pipeline, 36. A dehumidifying installation cavity.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-2, the photovoltaic drying apparatus in this embodiment includes a heat pump system, a drying chamber 1, a photovoltaic heat pump air duct 6, a photovoltaic hot air system, a photovoltaic cooling fan 7, a drying fan 22, a drying air duct 18, a storage battery, and a control module 24.
Referring to fig. 1, a hot air inlet pipe is provided at a lower end of a drying chamber 1, and a hot air outlet pipe is provided at an upper end thereof. The first end of the drying air pipe 18 is connected with a hot air inlet pipe, and the second end is connected with a hot air outlet pipe through a drying circulating air pipe 11. So that the drying chamber and the drying circulating air pipe 11 form a complete circulating loop. The condenser 2 of the heat pump system is arranged in the hot air inlet pipe, the drying fan 22 is arranged behind the condenser 2, and the second evaporator 19 of the heat pump system is arranged at the second end of the drying air pipe 18. The air flow is heated by the condenser 2 to become hot air, and then is conveyed to the drying chamber 1 by the drying fan 22, so that the articles to be heated in the drying chamber 1 are heated, then the air flow circulates along with the hot air outlet pipe and circulates to the second evaporator 19 for dehumidification, and the dehumidified air flow returns to the condenser 2 for heating, so that the air flow circulates.
Furthermore, a photovoltaic cooling fan 7 is arranged at the third end of the photovoltaic heat pump air pipe 6, the third end of the photovoltaic cooling fan is connected with an air inlet pipe (namely a photovoltaic circulating cold air pipe 12) of the photovoltaic hot air system, and an air outlet pipe (namely a photovoltaic circulating hot air pipe 13) of the photovoltaic hot air system is connected with the fourth end of the photovoltaic heat pump air pipe 6. The first evaporator 8 of the heat pump system is arranged at the fourth end of the photovoltaic heat pump air pipe 6, the photovoltaic cooling fan 7 drives air flow to circulate, the air flow is heated by the photovoltaic hot air system after passing through the photovoltaic hot air system, and the heated air flow returns to the first evaporator 8 to be absorbed by the first evaporator to improve the efficiency of the heat pump system, so that the circulation is realized. The control module 24 is respectively connected with the photovoltaic heat pump system, the photovoltaic cooling fan 7, the drying fan 22, the storage battery and the photovoltaic hot air system. All the modules are electrically connected through wires 23, meanwhile, the control module is also connected with mains supply, if the photovoltaic electric energy is sufficient, the photovoltaic electric energy is selected for power supply, and if the photovoltaic electric energy is low, the mains supply is selected for power supply. The heat generated by the solar cell panel during power generation is transmitted to the evaporator to be absorbed by utilizing the circulating air, and the electric energy generated by the photovoltaic photo-thermal component and transmitted simultaneously drives the heat pump of the heat pump system, so that the purpose of fully utilizing the solar energy is achieved, and the power generation efficiency of the photovoltaic photo-thermal component is improved. And the energy-saving effect of the heat pump system is also improved. The photovoltaic photo-thermal and heat pump technology is integrated, clean and environment-friendly solar energy is fully utilized, and the ecological economic purpose of high-efficiency utilization and cyclic utilization of resources is achieved.
With continued reference to fig. 1, the heat pump system further includes a throttle valve 3, a filter valve 4, a gas-liquid separator 5, a liquid storage tank 20, and a compressor 21. An outlet of the condenser 2, a throttle valve 3, a filter valve 4, a gas-liquid separator 5 and inlets of the first evaporator 8 and the second evaporator 19 which are connected in parallel are sequentially connected, and an inlet of the condenser 2, a compressor 21, a liquid storage tank 20 and outlets of the first evaporator 8 and the second evaporator 19 which are connected in parallel are sequentially connected. The compressor 21 is connected to the control module 24.
With continued reference to fig. 1 and 2, the photovoltaic hot air system includes a photovoltaic hot air module including a bezel 25, a photovoltaic module 26, and an insulation board 28. The photovoltaic module 26 and the heat insulation board 28 are installed in the frame 25, a closed cavity is defined by the lower end face of the photovoltaic module 26, the upper end face of the heat insulation board 28 and the inner side face of the frame 25, and the air inlet pipe 29 and the air outlet pipe 27 are respectively communicated with the cavity. The photovoltaic module 26 generates electricity, then the electricity is processed by the control module 24, and the electricity is stored in the storage battery. Further, the photovoltaic module 26 is preferably a solar panel, the solar panel generates electricity and generates heat after being irradiated by the sun, the heated solar panel (photovoltaic module) heats the air flow in the cavity, and the heat of the air flow is absorbed by the first evaporator 8.
In this embodiment, referring to fig. 1, the photovoltaic hot air system preferably comprises a plurality of photovoltaic hot air modules, the inlet air 29 and the outlet air 27 of the plurality of photovoltaic hot air modules are sequentially connected in series to form a photovoltaic hot air module, the inlet air pipes of the plurality of photovoltaic hot air modules are connected to a total inlet air pipe, and the outlet air pipe is connected to a total outlet air pipe. The main air inlet pipe and the main air outlet pipe are used as a photovoltaic circulating cold air pipe 12 and a photovoltaic circulating hot air pipe 13 of a photovoltaic hot air system, and a plurality of photovoltaic hot air modules are used jointly, so that the power generation efficiency of a photovoltaic module is increased, and a stable heat source can be provided.
With reference to fig. 1, in this embodiment, the air conditioner further includes an external exhaust pipe provided with a photovoltaic hot air external exhaust valve 9, a photovoltaic hot air circulation valve 10, a photovoltaic fresh air pipe provided with a photovoltaic fresh air control valve 17, and a dry fresh air pipe 11 provided with a dry fresh air control valve 15. The outer exhaust pipe and the photovoltaic hot air circulating valve 10 are connected with an air outlet pipe of a photovoltaic hot air system, the photovoltaic fresh air pipe is connected with the outer exhaust pipe, the second end of the drying air pipe 18 is connected with a hot air outlet pipe of the drying chamber 1 through a drying circulating air pipe 11, and the drying fresh air pipe 16 is communicated with the drying circulating air pipe 11. When the hot air circulation of the photovoltaic hot air module needs to be stopped or started, the photovoltaic hot air circulation valve 10 can be directly controlled to be opened or closed. When new circulation heating air needs to be added, the photovoltaic fresh air control valve 17 can be opened. When new circulating drying fresh air needs to be added, the drying fresh air control valve 15 can be opened.
In this embodiment, in the drying system using solar power generation and commercial power in combination, the control module 24 is preferably an intelligent inverter control integrated machine, and the intelligent inverter control integrated machine integrates grid connection, energy storage, and intelligent control. When the grid-connected function is selected, electricity generated by the photovoltaic component 14 is connected in parallel with commercial power to supply to the heat pump system for working, and the storage battery can be used for supplying power to the heat pump system or used as a standby power supply. When the system works, the photovoltaic cooling fan 7 is started in daytime, hot air of the photovoltaic module 14 is sent to the photovoltaic cooling first evaporator 8 through the photovoltaic circulating cold air pipe 12 and the photovoltaic circulating hot air pipe 13 to absorb heat and cool, and then the hot air returns to the photovoltaic cooling first evaporator 8 after being heated circularly again. After absorbing heat, the photovoltaic cooling first evaporator 8 evaporates refrigerant into high-temperature gas, the high-temperature gas is compressed by a compressor to become high-temperature high-pressure liquid, the high-temperature high-pressure liquid enters the condenser 2, the drying fan 22 circulates indoor air to be heated through the condenser 2, and the indoor air is heated so as to heat objects to be dried. High-temperature wet air in the drying chamber enters the dehumidifying second evaporator 19 from the drying circulating air pipe 11 through the drying fan 22 to dehumidify the dry air and enter the drying chamber, and refrigerant in the dehumidifying second evaporator 19 absorbs heat to evaporate and enters the compressor to be compressed and then enters the condenser 2 to release heat for condensation. When the drying chamber needs to be supplemented with fresh air, the drying fresh air control valve 15 arranged on the fresh air pipe is automatically opened, and then the fresh air enters the drying chamber through the dehumidification second evaporator 19 and the condenser 2. The function of the drying system is selected to be closed when the drying system is in use for a while, at the moment, the solar power generation system keeps the electric energy generated by work to be connected to the grid or charges the storage battery, the photovoltaic panel cooling fan 7 continues to rotate in the daytime to cool the photovoltaic and photo-thermal assembly, the power generation efficiency is improved, and the photovoltaic panel cooling fan 7 stops in rainy days and at night.
Further to this embodiment, referring to fig. 3, although the second evaporator 19 dehumidifies the air, the air flow is communicated with the drying chamber, and in order to further reduce the humidity of the drying chamber, a dehumidifying device is introduced, which includes: the cooling device comprises a cooling fin 33, a semiconductor chilling plate 31 and a cooling fin 32, wherein an auxiliary chamber 30 is arranged on the side portion of the drying chamber 1, the semiconductor chilling plate 31 is installed on the wall between the drying chamber 1 and the auxiliary chamber 30, the cooling fin 33, the semiconductor chilling plate 31 and the cooling fin 32 are arranged in a sequentially-jointed mode, the cooling fin 32 corresponds to the cold end of the semiconductor chilling plate 31, the cooling fin 33 corresponds to the hot end of the semiconductor chilling plate 31, the cooling fin 32 is located in the auxiliary chamber 30, and a water outlet 34 is formed in the lower end of the auxiliary chamber 30. The cooling fins 33 are positioned in the drying chamber 1, and the control module 24 is connected with the semiconductor chilling plates 31. Auxiliary chamber 30 passes through auxiliary line 35 and connects photovoltaic circulation cold wind pipe 12, and auxiliary line 35 is equipped with dehumidification installation cavity 36 with the tie point of photovoltaic circulation cold wind pipe 12, and dehumidification installation cavity 36 is equipped with the installing port, and the installing port is equipped with detachable installation lid, installs the dehumidification cotton in the installation cavity, and the dehumidification cotton is installed with the detachable mode, but periodic replacement guarantees the dehumidification effect. When the dehumidifying device is used, the control module 24 controls the semiconductor refrigerating sheet 31 to generate a hot end and a cold end at the same time, and the hot end enables the temperature of the drying chamber 1 to be maintained, so that the dehumidifying effect can be improved. The very low temperature is generated on the water condensation surface of the cooling fin 32 connected with the cold end, so that the moisture in the air is condensed on the water condensation surface and is discharged out of the auxiliary chamber from the water outlet, the humidity of the circulating air entering the photovoltaic hot air system can be reduced, and the influence of the moisture on the solar cell panel is avoided. And the air conditioning that the semiconductor refrigeration piece produced gets into and is connected photovoltaic hot air system with photovoltaic heat pump tuber pipe 6 and circulate under the drive of photovoltaic cooling fan 7, and air conditioning takes away the heat behind a plurality of photovoltaic hot air module and becomes hot-air after arriving first evaporimeter 8, and the air conditioning that produces with semiconductor refrigeration piece 31 circulates under the drive of photovoltaic cooling fan after absorbing the heat by it, makes the air temperature that gets into photovoltaic hot air system after the dehumidification of dehumidification cotton further reduce, can increase substantially solar cell panel's work efficiency.
It should be noted that, in the present embodiment, a plurality of dehumidification devices can be arranged, and the effect is better.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. A photovoltaic drying device is characterized by comprising a heat pump system, a drying chamber, a photovoltaic heat pump air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module;
the lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with the hot air inlet pipe, and the second end of the drying air pipe is connected with the hot air outlet pipe;
the third end of the photovoltaic heat pump air pipe is provided with the photovoltaic cooling fan and is connected with an air inlet pipe of the photovoltaic hot air system, and an air outlet pipe of the photovoltaic hot air system is connected with the fourth end of the photovoltaic heat pump air pipe;
a condenser of the heat pump system is arranged in the hot air inlet pipe, a first evaporator is arranged at the fourth end of the photovoltaic heat pump air pipe, a second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged behind the condenser;
the control module is respectively connected with the photovoltaic heat pump system, the photovoltaic cooling fan, the drying fan, the storage battery and the photovoltaic hot air system.
2. The photovoltaic drying apparatus according to claim 1, wherein the heat pump system further comprises a throttle valve, a filter valve, a gas-liquid separator, a liquid storage tank, and a compressor; the export of condenser, choke valve, filter valve, vapour and liquid separator and the import of the first evaporimeter and the second evaporimeter that connect with parallel connection connect gradually, the import of condenser, compressor, liquid storage pot and the export of the first evaporimeter and the second evaporimeter that connect with parallel connection connect gradually.
3. The photovoltaic drying apparatus of claim 1, wherein the photovoltaic hot air system comprises a photovoltaic hot air module comprising a bezel, a photovoltaic assembly, and an insulation board; the photovoltaic module and the heat insulation board are arranged in the frame, a closed cavity is defined by the lower end face of the photovoltaic module, the upper end face of the heat insulation board and the inner side face of the frame, and the air inlet pipe and the air outlet pipe are respectively communicated with the cavity.
4. The photovoltaic drying device as claimed in claim 3, wherein the photovoltaic hot air system is composed of a plurality of photovoltaic hot air modules, the air inlet pipes and the air outlet pipes of the photovoltaic hot air modules are sequentially connected in series to form the photovoltaic hot air modules, the air inlet pipes of the photovoltaic hot air modules are connected with a total air inlet pipe, and the air outlet pipes are connected with a total air outlet pipe.
5. The photovoltaic drying device according to claim 1, further comprising an exhaust pipe provided with a photovoltaic hot air exhaust valve and a photovoltaic hot air circulation valve; the outer discharge pipe and the photovoltaic hot air circulating valve are connected with the air outlet pipe.
6. The photovoltaic drying device according to claim 1, further comprising a photovoltaic fresh air pipe provided with a photovoltaic fresh air control valve, wherein the photovoltaic fresh air pipe is connected with the external discharge pipe.
7. The photovoltaic drying device as claimed in claim 1, further comprising a dry fresh air pipe provided with a dry fresh air control valve, wherein the second end of the dry air pipe is connected to the hot air outlet pipe through a dry circulation air pipe, and the dry fresh air pipe is communicated with the dry circulation air pipe.
8. The photovoltaic drying apparatus according to claim 1, further comprising a dehumidifying apparatus, the dehumidifying apparatus comprising: fin, semiconductor refrigeration piece and cooling fin, the drying chamber lateral part is equipped with the auxiliary chamber, the semiconductor refrigeration piece install in between drying chamber and the auxiliary chamber, fin, semiconductor refrigeration piece and cooling fin set up with the mode of laminating in proper order, the fin is located the drying chamber just corresponds the hot junction of semiconductor refrigeration piece, the cooling fin is located the auxiliary chamber just corresponds the cold junction of semiconductor refrigeration piece, the outlet has been seted up to the auxiliary chamber lower extreme, control module is connected with the semiconductor refrigeration piece, the auxiliary chamber passes through auxiliary pipeline and connects the photovoltaic circulation cold air duct, auxiliary pipeline is equipped with the dehumidification installation cavity with the tie point of photovoltaic circulation cold air duct, the dehumidification installation cavity is equipped with the detachable and removes wet cotton.
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| CN202211171812.3A CN115682653B (en) | 2022-09-26 | 2022-09-26 | Photovoltaic drying device |
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| CN202211171812.3A CN115682653B (en) | 2022-09-26 | 2022-09-26 | Photovoltaic drying device |
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