CN109817744A - A kind of photovoltaic system with refrigeration and heat-production functions - Google Patents
A kind of photovoltaic system with refrigeration and heat-production functions Download PDFInfo
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- CN109817744A CN109817744A CN201910112105.9A CN201910112105A CN109817744A CN 109817744 A CN109817744 A CN 109817744A CN 201910112105 A CN201910112105 A CN 201910112105A CN 109817744 A CN109817744 A CN 109817744A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a kind of photovoltaic systems with refrigeration and heat-production functions, including photovoltaic panel and refrigerating and heating systems, the photovoltaic panel includes ultrawhite tempered glass, upper EVA adhesive film layer, electrification structure and aluminum alloy frame, the electrification structure includes solar battery sheet group, lower EVA adhesive film layer and backboard, transparent heat sink dope layer or transparent heat-conductive coating layer are equipped between the upper EVA adhesive film layer and solar battery sheet group, the top of the electrification structure is equipped with a hole, the refrigerating and heating systems include semiconductor chilling plate, heat exchange coil, water tank equipped with water pump, first water pipe and the second water pipe, the semiconductor chilling plate is arranged in the hole, it has the upper alternating temperature surface for generating cooling capacity and generates the lower alternating temperature surface of heat, the upper alternating temperature surface of the semiconductor chilling plate is equipped with reflective coating.It is the configuration of the present invention is simple, low in cost, the generating efficiency of photovoltaic module and the heating effect of semiconductor chilling plate can be effectively improved.
Description
Technical field
The present invention relates to photovoltaic and recuperation of heat field, specifically a kind of photovoltaic system with refrigeration and heat-production functions.
Background technique
Photovoltaic module light under standard conditions (the irradiation intensity 1000W/m2 of AM1.5 solar spectrum, 25 DEG C of battery temperature)
Optoelectronic conversion ratio be 8%~17%, also have more than 80% solar energy it is unutilized, and the temperature of photovoltaic module to its generating efficiency again
Very big influence, under intensity of illumination certain condition, when the temperature of photovoltaic module itself increases, generated output declines.How to drop
It is a technical problem urgently to be solved that low photovoltaic module temperature, which improves generating efficiency,.
Patent No. 201020140526.7, it is entitled it is a kind of with building roof integrated photovoltaic array waste heat water-cooled time
By being arranged at the photovoltaic module back side mostly with cooling water pipe, although which reduces the temperature of photovoltaic panel, mentions receipts system
The high generated output of photovoltaic module, while the partial heat of photovoltaic module is absorbed, but application cost is too high, and mostly with cooling
Water pipe causes cooling water pipe to absorb in photovoltaic back due to being arranged since most of heat of photovoltaic module is in front position
Heat it is very few, only water temperature is improved, common domestic hot water requirement is not able to satisfy.
Semiconductor chilling plate is a kind of cooling device as composed by semiconductor, it has there are two types of function, can freeze and
It can heat, refrigerating efficiency is not generally high, but heating efficiency is very high, 1 is always larger than, higher than electric heater in common electric heater
Heating efficiency, it is relatively broad in many small-sized refrigeratings or small-sized heating applications.But there is also one for current semiconductor chilling plate
A little disadvantages, hot end needs good heat dissipation effect just and can guarantee that refrigerating efficiency is higher when such as freezing, cold end cold scattering effect good ability when heating
Guarantee that heating efficiency is higher, application cost is higher.
Photovoltaic system and semiconductor chilling plate connected applications are less at present, how to reduce photovoltaic module temperature to provide its hair
Electrical efficiency and reduction user's hot water electricity consumption are current highly important research contents.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defect of the above-mentioned prior art, provide a kind of with cooling and warming
The photovoltaic system of function, the cooling capacity of cold end is used for the cooling of photovoltaic panel when semiconductor chilling plate is heated, when photovoltaic panel is generated electricity
The heat of generation is used to improve the cold scattering of the cold end of semiconductor chilling plate, make user substantially reduced using the electricity consumption of hot water and
The generating efficiency of photovoltaic panel effectively improves.
For this purpose, the present invention adopts the following technical scheme that: a kind of photovoltaic system with refrigeration and heat-production functions, including inclination
The photovoltaic panel and refrigerating and heating systems of arrangement, the photovoltaic panel include ultrawhite tempered glass, upper EVA adhesive film layer, electrification structure and
Aluminum alloy frame, the electrification structure include solar battery sheet group, lower EVA adhesive film layer and backboard, the upper EVA adhesive film layer with
Transparent heat sink dope layer or transparent heat-conductive coating layer are equipped between solar battery sheet group, the top of the electrification structure is equipped with one
Hole, the refrigerating and heating systems include semiconductor chilling plate, heat exchange coil, the water tank equipped with water pump, the first water pipe and
Two water pipes, the semiconductor chilling plate are arranged in the hole, have the upper alternating temperature surface for generating cooling capacity and generate heat
Lower alternating temperature surface, the upper alternating temperature surface of the semiconductor chilling plate is equipped with reflective coating, and the heat exchange coil is arranged described
The lower alternating temperature surface side of semiconductor chilling plate, the water inlet of second water pipe are connected to water pump, water outlet and heat exchange coil
Water inlet connection, the water inlet of first water pipe be connected to the water outlet of heat exchange coil, and water outlet setting is in the water storage
In case.
Further, the refrigerating and heating systems further include control device, the control device respectively with semiconductor refrigerating
Piece, water pump connection, for controlling the work of semiconductor chilling plate and water pump.
Further, the refrigerating and heating systems further include being fixed on the backboard and being located at the heat exchange coil side
U-shaped insulation board.
Further, the refrigerating and heating systems further include that illuminance transducer on the outside of ultrawhite tempered glass is arranged in, sets
The second temperature sensor setting the first temperature sensor on rear side of backboard and being arranged in water tank, the illuminance transducer are used
In the intensity of illumination of detection photovoltaic plate surface, first temperature sensor is for detecting photovoltaic back temperature, and described second
Temperature sensor for detecting water tank water temperature, the control device also respectively with illuminance transducer, the first temperature sensor, the
Two temperature sensors connection, for being divided according to the intensity of illumination of photovoltaic plate surface, photovoltaic panel back temperature and water tank water temperature
Not Kong Zhi semiconductor chilling plate and water pump work.
Further, the control device specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, controls semiconductor chilling plate and water pump is turned off；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, controls semiconductor chilling plate and water pump is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, controls semiconductor chilling plate and water pump closes
It closes；
When photovoltaic panel back temperature is less than or equal to default back temperature, controls semiconductor chilling plate and water pump is turned off.
Further, the photovoltaic system further includes the electric heater being arranged in water tank, the control device and electricity
Heater connection, for controlling the work of electric heater according to water tank water temperature and the second default water temperature.
The present invention also adopts the following technical scheme that: a kind of photovoltaic system with refrigeration and heat-production functions, including horizontal cloth
The photovoltaic panel and refrigerating and heating systems set, the photovoltaic panel include ultrawhite tempered glass, upper EVA adhesive film layer, electrification structure and aluminium
Alloy frame, the electrification structure include solar battery sheet group, lower EVA adhesive film layer and backboard, the upper EVA adhesive film layer with too
Positive to be equipped with transparent heat sink dope layer or transparent heat-conductive coating layer between cell piece group, the top of the electrification structure is equipped with a hole
Mouthful, the refrigerating and heating systems include semiconductor chilling plate, heat exchanger and water tank, and the semiconductor chilling plate is arranged in institute
It states in hole, there is the upper alternating temperature surface for generating cooling capacity and generates the lower alternating temperature surface of heat, the semiconductor chilling plate
Upper alternating temperature surface is equipped with reflective coating, and the top of the heat exchanger and the lower alternating temperature surface of semiconductor chilling plate connect, lower part
It is arranged in water tank.
Further, the refrigerating and heating systems further include second control device, the second control device and semiconductor
Cooling piece connection, for controlling the work of semiconductor chilling plate.
Further, the refrigerating and heating systems further include that illuminance transducer on the outside of ultrawhite tempered glass is arranged in, sets
The second temperature sensor setting the first temperature sensor on rear side of backboard and being arranged in water tank, the illuminance transducer are used
In the intensity of illumination of detection photovoltaic plate surface, first temperature sensor is for detecting photovoltaic back temperature, and described second
Temperature sensor for detecting water tank water temperature, the second control device also respectively with illuminance transducer, the first temperature sensing
Device, second temperature sensor connection, for according to the intensity of illumination of photovoltaic plate surface, photovoltaic panel back temperature and water tank water temperature
To control the work of semiconductor chilling plate.
Further, the second control device specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, control semiconductor chilling plate is closed；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, control semiconductor chilling plate is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, control semiconductor chilling plate is closed；
When photovoltaic panel back temperature is less than or equal to default back temperature, control semiconductor chilling plate is closed.
Further, the photovoltaic system further includes the electric heater being arranged in water tank, the second control device
It is connect with electric heater, is also used to control the work of electric heater according to water tank water temperature and the second default water temperature.
The beneficial effects of the present invention are:
(1) using the very high semiconductor chilling plate of heating efficiency come production when heating the water in water tank, while photovoltaic panel being generated electricity
Raw heat is used for the cold scattering of semiconductor chilling plate cold end, further increases the heating effect of semiconductor chilling plate；
(2) cooling capacity that cold end generates when heating semiconductor chilling plate is used for the cooling of photovoltaic panel, makes the generating efficiency of photovoltaic panel
It further increases；
(3) semiconductor chilling plate is arranged and cools down on photovoltaic panel top, the temperature of photovoltaic panel lower part is made to be greater than top, thus
Thermal current from bottom to top is formed in photovoltaic plate surface, the heat dissipation of photovoltaic plate surface is accelerated, drops photovoltaic plate temperature further
It is low；
(4) by the way that transparent heat sink dope layer or transparent heat-conductive coating layer is arranged in solar battery sheet group upper surface and in semiconductor
Reflective coating is arranged in the upper alternating temperature surface of cooling piece, and the cooling capacity for generating semiconductor chilling plate cold end is mainly used for solar battery
The cooling of piece group, temperature when photovoltaic panel being made to generate electricity further decrease, and further improve the generating efficiency of photovoltaic panel；
(5) water in water tank is directly heated using heat exchanger for horizontally disposed photovoltaic panel, further improves and partly leads
The heating effect of body cooling piece effectively reduces the application cost of refrigerating and heating systems.
Detailed description of the invention
Fig. 1 is the photovoltaic system side structure schematic view of first embodiment of the invention.
Fig. 2 is the planar structure schematic diagram of photovoltaic system.
Fig. 3 is the organigram of photovoltaic panel.
Fig. 4 is the structural schematic diagram of heat exchange coil.
Fig. 5 is the hardware connection diagram of control device.
Fig. 6 is the structural schematic diagram of electrification structure.
Fig. 7 is the structural schematic diagram of semiconductor chilling plate.
Fig. 8 is the photovoltaic system side structure schematic view of second embodiment of the invention.
Fig. 9 is the hardware connection diagram of second control device.
Description of symbols: 1- ultrawhite tempered glass, the upper EVA adhesive film layer of 2-, 3- transparent heat sink dope layer or transparent thermally conductive
Dope layer, 4- solar battery sheet group, EVA adhesive film layer under 5-, 6- backboard, 7- aluminum alloy frame, the first temperature sensor of 8-, 9-
Water pump, 10- illuminance transducer, 11- reflective coating, 12- semiconductor chilling plate, 13- heat exchange coil, the first water pipe of 14-, 15-U type
Insulation board, the second water pipe of 16-, 17- water tank, 18- electric heater, 19- second temperature sensor, the hole 20-, 21- heat exchange
Device.
Specific embodiment
The present invention is further described in detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1: referring to Fig. 1 to Fig. 7, a kind of photovoltaic system with refrigeration and heat-production functions provided in this embodiment, packet
The photovoltaic panel and refrigerating and heating systems of inclination arrangement are included, the photovoltaic panel includes ultrawhite tempered glass 1, upper EVA adhesive film layer 2, hair
Electric structure and aluminum alloy frame 7, the electrification structure include solar battery sheet group 4, lower EVA adhesive film layer 5 and backboard 6.
Specifically, the structure of each component is identical as photovoltaic panel in the prior art in photovoltaic panel, solar battery sheet group
The mode of connection also uses the prior art.
Transparent heat sink dope layer or transparent heat-conductive coating are equipped between the upper EVA adhesive film layer 2 and solar battery sheet group 4
Layer 3.
Specifically, the upper table in solar battery sheet group 4 can be set in transparent heat sink dope layer or transparent heat-conductive coating layer 3
Face also can be set in the interval in solar battery sheet group between multi-disc solar battery sheet.
The top of the electrification structure is equipped with a hole 20, i.e., the described solar battery sheet group, lower EVA adhesive film layer and backboard
On be equipped with hole 20, wherein in order to install and easy-to-connect, upper end of the hole 20 as close as possible to photovoltaic panel, solar battery
Piece group is preferably all disposed within the lower part of semiconductor chilling plate, i.e. the top of semiconductor chilling plate is not provided with solar battery sheet.
The refrigerating and heating systems include semiconductor chilling plate 12, heat exchange coil 13, the water tank 17 equipped with water pump 9,
One water pipe 14 and the second water pipe 16, the semiconductor chilling plate 12 are arranged in the hole 20, have and generate the upper of cooling capacity
The upper alternating temperature surface on alternating temperature surface and the lower alternating temperature surface for generating heat, the semiconductor chilling plate 12 is equipped with reflective coating 11.
Specifically, semiconductor chilling plate 12 connects direct current, and alternating temperature surface generates cooling capacity thereon, for absorbing photovoltaic panel
Heat, upper alternating temperature surface is semiconductor chilling plate close to the surface of transparent heat sink dope layer or transparent 3 side of heat-conductive coating layer,
Lower alternating temperature surface generates heat, and for heating the water in water tank, lower alternating temperature surface is semiconductor chilling plate close to backboard side
Surface；Reflective coating 11 on upper alternating temperature surface is for the heat that solar irradiation is mapped on semiconductor chilling plate 12 to be reflected back
It goes, so that 12 cold end of semiconductor chilling plate is preferably absorbed the heat in photovoltaic panel, it should be noted that semiconductor chilling plate
12 seal with the most handy marine glue in the gap at hole.
Preferably, the semiconductor chilling plate 12 uses photovoltaic panel direct current supply.
The lower alternating temperature surface side of the semiconductor chilling plate 12, second water pipe 16 is arranged in the heat exchange coil 13
Water inlet be connected to water pump 9, water outlet is connected to the water inlet of heat exchange coil 13, the water inlet of first water pipe 14 with change
The water outlet of hot coil 13 is connected to, and water outlet is arranged in the water tank 17.
The refrigerating and heating systems further include control device, the control device respectively with semiconductor chilling plate 12, water pump 9
Connection, for controlling the work of semiconductor chilling plate 12 and water pump 9.
Specifically, the control device can be manual overvide, and semiconductor chilling plate 12 and water pump 9 manually control,
The automatic control device being also possible in conjunction with respective sensor, semiconductor chilling plate 12 and water pump 9 are adopted according to respective sensor
The data of collection automatically control, and the heat exchange coil 13 is preferably with more bending metals water pipes, and the water pump 9 is preferably with small-power
Water pump, the control device is preferably with photovoltaic power supply.
In order to preferably improve the heating effect of water in water tank, the refrigerating and heating systems further include being fixed on the back
U-shaped insulation board 15 on plate 6 and positioned at 13 side of heat exchange coil.
In order to preferably improve the generating efficiency of photovoltaic panel and the heating effect of semiconductor chilling plate, the cooling and warming system
System further includes the illuminance transducer 10 that 1 outside of ultrawhite tempered glass is arranged in, the first temperature sensor that 6 rear side of backboard is arranged in
8 and the second temperature sensor 19 that is arranged in water tank 17, the illuminance transducer 10 be used to detect the light of photovoltaic plate surface
According to intensity, first temperature sensor 8 is for detecting photovoltaic back temperature, and the second temperature sensor 19 is for detecting
Water tank water temperature, the control device also respectively with illuminance transducer 10, the first temperature sensor 8, second temperature sensor 19
Connection, for controlling semiconductor respectively according to the intensity of illumination of photovoltaic plate surface, photovoltaic panel back temperature and water tank water temperature
The work of cooling piece 12 and water pump 9.
Specifically, the control device specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, controls semiconductor chilling plate 12 and water pump 9 is turned off；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, controls semiconductor chilling plate 12 and water pump 9 is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, semiconductor chilling plate 12 and water pump 9 are controlled
It is turned off；
When photovoltaic panel back temperature is less than or equal to default back temperature, controls semiconductor chilling plate 12 and water pump 9 is turned off.
It should be noted that the opening of semiconductor chilling plate 12 refers to that semiconductor chilling plate 12 is powered on, alternating temperature table thereon
Face generates cooling capacity, and lower alternating temperature surface generates heat.
The water in water tank is preferably used in order to facilitate user, the photovoltaic system further includes being arranged in water tank 17
Electric heater 18, the control device connect with electric heater 18, is also used to according to water tank water temperature and the second default water temperature
To control the work of electric heater 18.Wherein, the described second default water temperature is greater than the first default water temperature.
Specifically, the control device specifically includes:
Water tank water temperature and the second default water temperature are compared, when water tank water temperature is greater than the second default water temperature, control electricity
Heater 18 is opened, and when water tank water temperature is less than or equal to the second default water temperature, control electric heater 18 is closed.
It should be noted that the water in water tank uses semiconductor refrigeration chip heating, electricity when semiconductor chilling plate work
Heater does not work, and when semiconductor chilling plate does not work, electric heater is carried out according to water tank water temperature and the second default water temperature
Work.
Embodiment 2: referring to Fig. 8 and Fig. 9, in above-described embodiment 1 on the basis of photovoltaic panel structure, the present embodiment is also provided
A kind of photovoltaic system with refrigeration and heat-production functions, including horizontally disposed photovoltaic panel and refrigerating and heating systems, the photovoltaic
Plate includes that ultrawhite tempered glass 1, upper EVA adhesive film layer 2, electrification structure and aluminum alloy frame 7, the electrification structure include solar energy
Cell piece group 4, lower EVA adhesive film layer 5 and backboard 6.
Specifically, the structure of each component is identical as photovoltaic panel in the prior art in photovoltaic panel, solar battery sheet group
The mode of connection also uses the prior art.
Transparent heat sink dope layer or transparent heat-conductive coating are equipped between the upper EVA adhesive film layer 2 and solar battery sheet group 4
The top of layer 3, the electrification structure is equipped with a hole 20.
Specifically, the upper table in solar battery sheet group 4 can be set in transparent heat sink dope layer or transparent heat-conductive coating layer 3
Face also can be set in the interval in solar battery sheet group between multi-disc solar battery sheet.
The refrigerating and heating systems include semiconductor chilling plate 12, heat exchanger 21 and water tank 17, the semiconductor system
It is arranged in the hole 20 for cold 12, there is the upper alternating temperature surface for generating cooling capacity and generates the lower alternating temperature surface of heat, institute
The upper alternating temperature surface for stating semiconductor chilling plate 12 is equipped with reflective coating 11, the top of the heat exchanger 21 and semiconductor chilling plate
12 lower alternating temperature surface connection, lower part are arranged in water tank 17, and the second control device is connect with semiconductor chilling plate 12,
For controlling the work of semiconductor chilling plate 12.
Specifically, semiconductor chilling plate 12 connects direct current, and alternating temperature surface generates cooling capacity thereon, for absorbing photovoltaic panel
Heat, upper alternating temperature surface is semiconductor chilling plate close to the surface of transparent heat sink dope layer or transparent 3 side of heat-conductive coating layer,
Lower alternating temperature surface generates heat, directly heats the water in water tank by heat exchanger, lower alternating temperature surface is semiconductor chilling plate
Close to the surface of backboard side；Reflective coating on upper alternating temperature surface is for solar irradiation to be mapped on semiconductor chilling plate 12
Heat reflects back, and semiconductor chilling plate cold end is allow preferably to absorb the heat in photovoltaic panel.
In order to preferably improve the generating efficiency of photovoltaic panel and the heating effect of semiconductor chilling plate, the cooling and warming system
System further includes the illuminance transducer 10 that 1 outside of ultrawhite tempered glass is arranged in, the first temperature sensor that 6 rear side of backboard is arranged in
8 and the second temperature sensor 19 that is arranged in water tank 17, the illuminance transducer 10 be used to detect the light of photovoltaic plate surface
According to intensity, first temperature sensor 8 is for detecting photovoltaic back temperature, and the second temperature sensor 19 is for detecting
Water tank water temperature.
The refrigerating and heating systems further include second control device, the second control device also respectively with illuminance transducer
10, the first temperature sensor 8, second temperature sensor 19 connect, for the intensity of illumination according to photovoltaic plate surface, photovoltaic backboard
Face temperature and water tank water temperature control the work of semiconductor chilling plate 12.
Specifically, the second control device specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, control semiconductor chilling plate is closed；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, control semiconductor chilling plate is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, control semiconductor chilling plate is closed；
When photovoltaic panel back temperature is less than or equal to default back temperature, control semiconductor chilling plate is closed.
It should be noted that semiconductor chilling plate opening refers to that semiconductor chilling plate is powered on, is produced from alternating temperature surface thereon
Raw food amount, lower alternating temperature surface generate heat, and the second control device is preferably with photovoltaic power supply.
The water in water tank is preferably used in order to facilitate user, the photovoltaic system further includes being arranged in water tank 17
Electric heater 18, the second control device connect with electric heater 18, is also used to default with second according to water tank water temperature
Water temperature controls the work of electric heater 18.Wherein, the described second default water temperature is greater than the first default water temperature.
Specifically, the second control device specifically includes:
Water tank water temperature and the second default water temperature are compared, when water tank water temperature is greater than the second default water temperature, control electricity
Heater 18 is opened, and when water tank water temperature is less than or equal to the second default water temperature, control electric heater 18 is closed.
It should be noted that the water in water tank uses semiconductor refrigeration chip heating, electricity when semiconductor chilling plate work
Heater does not work, and when semiconductor chilling plate does not work, electric heater is carried out according to water tank water temperature and the second default water temperature
Work effectively reduces on the whole since the water section in water tank uses the higher semiconductor refrigeration chip heating of heating efficiency
The electric power that water heats in water tank.
Protection scope of the present invention is not limited to foregoing description, and any other forms under the inspiration of the present invention produce
Product, no matter making any change in shape or structure, the technical schemes that are same or similar to the present invention, in this hair
Within bright protection scope.
Claims (10)
1. a kind of photovoltaic system with refrigeration and heat-production functions, including horizontally disposed photovoltaic panel and refrigerating and heating systems, described
Photovoltaic panel includes ultrawhite tempered glass (1), upper EVA adhesive film layer (2), electrification structure and aluminum alloy frame (7), the electrification structure
Including solar battery sheet group (4), lower EVA adhesive film layer (5) and backboard (6), which is characterized in that the upper EVA adhesive film layer (2) with
Transparent heat sink dope layer or transparent heat-conductive coating layer (3), the top of the electrification structure are equipped between solar battery sheet group (4)
Equipped with a hole (20), the refrigerating and heating systems include semiconductor chilling plate (12), heat exchanger (21) and water tank (17),
The semiconductor chilling plate (12) is arranged in the hole (20), has the upper alternating temperature surface for generating cooling capacity and generates heat
Lower alternating temperature surface, the upper alternating temperature surface of the semiconductor chilling plate (12) is equipped with reflective coating (11), the heat exchanger
(21) top is connect with the lower alternating temperature surface of semiconductor chilling plate (12), and lower part is arranged in water tank (17).
2. the photovoltaic system according to claim 1 with refrigeration and heat-production functions, which is characterized in that the cooling and warming system
System further includes second control device, and the second control device is connect with semiconductor chilling plate (12), for controlling semiconductor system
The work of cold (12).
3. the photovoltaic system according to claim 2 with refrigeration and heat-production functions, which is characterized in that the cooling and warming system
System further includes the first temperature of the illuminance transducer (10) being arranged on the outside of ultrawhite tempered glass (1), setting on rear side of backboard (6)
Sensor (8) and the second temperature sensor (19) being arranged in water tank (17), the illuminance transducer (10) is for detecting
The intensity of illumination of photovoltaic plate surface, first temperature sensor (8) is for detecting photovoltaic back temperature, the second temperature
Sensor (19) for detecting water tank water temperature, the second control device also respectively with illuminance transducer (10), the first temperature
Sensor (8), second temperature sensor (19) connection, for the intensity of illumination according to photovoltaic plate surface, photovoltaic panel back temperature
The work of semiconductor chilling plate (12) is controlled with water tank water temperature.
4. the photovoltaic system according to claim 3 with refrigeration and heat-production functions, which is characterized in that the second control dress
It sets and specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, control semiconductor chilling plate (12) is closed；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, control semiconductor chilling plate (12) is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, control semiconductor chilling plate (12) is closed；
When photovoltaic panel back temperature is less than or equal to default back temperature, control semiconductor chilling plate (12) is closed.
5. the photovoltaic system according to claim 2 or 4 with refrigeration and heat-production functions, which is characterized in that the photovoltaic system
System further includes the electric heater (18) being arranged in water tank (17), and the second control device is connect with electric heater (18),
It is also used to control the work of electric heater (18) according to water tank water temperature and the second default water temperature.
6. a kind of photovoltaic system with refrigeration and heat-production functions, photovoltaic panel and refrigerating and heating systems including inclination arrangement are described
Photovoltaic panel includes ultrawhite tempered glass (1), upper EVA adhesive film layer (2), electrification structure and aluminum alloy frame (7), the electrification structure
Including solar battery sheet group (4), lower EVA adhesive film layer (5) and backboard (6), which is characterized in that the upper EVA adhesive film layer (2) with
Transparent heat sink dope layer or transparent heat-conductive coating layer (3), the top of the electrification structure are equipped between solar battery sheet group (4)
Equipped with a hole (20), the refrigerating and heating systems include semiconductor chilling plate (12), heat exchange coil (13), are equipped with water pump (9)
Water tank (17), the first water pipe (14) and the second water pipe (16), the semiconductor chilling plate (12) is arranged at the hole
(20) in, there is the upper alternating temperature surface for generating cooling capacity and generate the lower alternating temperature surface of heat, the semiconductor chilling plate (12)
Upper alternating temperature surface be equipped with reflective coating (11), lower change of the heat exchange coil (13) setting in the semiconductor chilling plate (12)
The water inlet of warm surface side, second water pipe (16) is connected to water pump (9), the water inlet of water outlet and heat exchange coil (13)
Connection, the water inlet of first water pipe (14) are connected to the water outlet of heat exchange coil (13), and water outlet is arranged in the water storage
In case (17).
7. the photovoltaic system according to claim 6 with refrigeration and heat-production functions, which is characterized in that the cooling and warming system
System further includes control device, and the control device is connect with semiconductor chilling plate (12), water pump (9) respectively, is partly led for controlling
The work of body cooling piece (12) and water pump (9).
8. the photovoltaic system according to claim 6 or 7 with refrigeration and heat-production functions, which is characterized in that the refrigerated medium
Hot systems further include the U-shaped insulation board (15) for being fixed on the backboard (6) and being located at the heat exchange coil (13) side.
9. the photovoltaic system according to claim 7 or 8 with refrigeration and heat-production functions, which is characterized in that the refrigerated medium
Hot systems further include first of the illuminance transducer (10) being arranged on the outside of ultrawhite tempered glass (1), setting on rear side of backboard (6)
Temperature sensor (8) and the second temperature sensor (19) being arranged in water tank (17), the illuminance transducer (10) are used for
The intensity of illumination of photovoltaic plate surface is detected, first temperature sensor (8) is for detecting photovoltaic back temperature, and described second
Temperature sensor (19) for detecting water tank water temperature, the control device also respectively with illuminance transducer (10), the first temperature
Sensor (8), second temperature sensor (19) connection, for the intensity of illumination according to photovoltaic plate surface, photovoltaic panel back temperature
Control the work of semiconductor chilling plate (12) and water pump (9) respectively with water tank water temperature.
10. the photovoltaic system according to claim 9 with refrigeration and heat-production functions, which is characterized in that the control device
It specifically includes:
The intensity of illumination of photovoltaic plate surface and default intensity of illumination are compared, by photovoltaic panel back temperature and default back side temperature
Degree compares, and water tank water temperature and the first default water temperature are compared；
When water tank water temperature is greater than the first default water temperature, controls semiconductor chilling plate (12) and water pump (9) is turned off；
When water tank water temperature is less than or equal to the first default water temperature, the intensity of illumination of photovoltaic plate surface is greater than default intensity of illumination,
When photovoltaic panel back temperature is greater than default back temperature, controls semiconductor chilling plate (12) and water pump (9) is opened；
When the intensity of illumination of photovoltaic plate surface is less than or equal to default intensity of illumination, semiconductor chilling plate (12) and water pump are controlled
(9) it is turned off；
When photovoltaic panel back temperature is less than or equal to default back temperature, controls semiconductor chilling plate (12) and water pump (9) is equal
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112105.9A CN109817744A (en) | 2019-02-13 | 2019-02-13 | A kind of photovoltaic system with refrigeration and heat-production functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910112105.9A CN109817744A (en) | 2019-02-13 | 2019-02-13 | A kind of photovoltaic system with refrigeration and heat-production functions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217472A (en) * | 2020-10-19 | 2021-01-12 | 吉林大学 | Solar semiconductor intelligent temperature regulating box and control method thereof |
| CN113131862A (en) * | 2021-03-10 | 2021-07-16 | 俞林杰 | A light energy utilization rate hoisting device for solar cell panel |
| CN113890482A (en) * | 2021-10-08 | 2022-01-04 | 阳光新能源开发有限公司 | Cooling control method and system of photovoltaic module and computer storage medium |
| CN115603658A (en) * | 2022-11-04 | 2023-01-13 | 北京民利储能技术有限公司（Cn） | Photoelectric and thermal integrated device utilizing light energy efficiently |
-
2019
- 2019-02-13 CN CN201910112105.9A patent/CN109817744A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217472A (en) * | 2020-10-19 | 2021-01-12 | 吉林大学 | Solar semiconductor intelligent temperature regulating box and control method thereof |
| CN113131862A (en) * | 2021-03-10 | 2021-07-16 | 俞林杰 | A light energy utilization rate hoisting device for solar cell panel |
| CN113890482A (en) * | 2021-10-08 | 2022-01-04 | 阳光新能源开发有限公司 | Cooling control method and system of photovoltaic module and computer storage medium |
| CN113890482B (en) * | 2021-10-08 | 2024-05-14 | 阳光新能源开发股份有限公司 | Cooling control method and system for photovoltaic module and computer storage medium |
| CN115603658A (en) * | 2022-11-04 | 2023-01-13 | 北京民利储能技术有限公司（Cn） | Photoelectric and thermal integrated device utilizing light energy efficiently |
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