CN205566214U - Multistage heat exchange type photovoltaic light and heat allies oneself with confession system - Google Patents

Multistage heat exchange type photovoltaic light and heat allies oneself with confession system Download PDF

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Publication number
CN205566214U
CN205566214U CN201620204991.XU CN201620204991U CN205566214U CN 205566214 U CN205566214 U CN 205566214U CN 201620204991 U CN201620204991 U CN 201620204991U CN 205566214 U CN205566214 U CN 205566214U
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China
Prior art keywords
heat
loop
solar energy
photovoltaic
heat exchanger
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Expired - Fee Related
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CN201620204991.XU
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Chinese (zh)
Inventor
高原
陈斌
杨亮
陈文卿
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SUZHOU DAMEI ENERGY SAVING TECHNOLOGY Co Ltd
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SUZHOU DAMEI ENERGY SAVING TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/60Thermal-PV hybrids

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  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a multistage heat exchange type photovoltaic light and heat allies oneself with confession system, it includes the solar energy collecting plate who becomes the loop through the pipe connection, the heat accumulation case of heat exchange tube, double evaporation ware heat pump are taken to first circulating pump, double evaporation ware heat pump includes the compressor that connects gradually and form the loop through the pipeline, condenser, throttle part, air source evaporimeter and water source evaporimeter, the compressor export is equipped with the branch road of taking bypass valve intercommunication throttle knockdown export. The beneficial effect of the utility model: (1 )Through the compound solar energy collecting plate of thermal electricity, except realizing photovoltaic power generation, the heat energy that can also utilize the collection board to put aside adds hot water or other liquid, (2 )Through double evaporation ware heat pump can step forward the absorption heat can, reduce photovoltaic board temperature, improve the generating efficiency of photovoltaic, the life -span of guaranteeing photovoltaic module, (3 ) double evaporation ware heat pump can keep normal work through mains supply not having under the condition of sunshine, guarantees the hot water supply.

Description

A kind of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system
Technical field
This utility model relates to technical field of photovoltaic power generation, particularly relates to a kind of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system.
Background technology
Single solar cell can not directly do power supply and use.Make power supply to be connected by some cell series and parallels and tightly be packaged into assembly.Photovoltaic module (being also solar panel) is the core in solar power system, is also most important part in solar power system.Its effect is to convert solar energy into electrical energy, and is sent in accumulator store, or promotes loaded work piece.
The application mode of solar energy mainly has two kinds at present, and one is photovoltaic generation, and one is solar thermal utilization.The efficiency comparison of photovoltaic generation is low, and only about about 20%, remaining energy is most presented in heat energy.Photovoltaic generation is no advantage by the high temperature heat that photovoltaic panel surface is put aside, and can reduce the efficiency of photovoltaic generation on the contrary.
Still further aspect, if guided these heat energy and utilized, except improving the efficiency of photovoltaic generation, it is also possible to increase the value of solar thermal utilization on the basis of photovoltaic generation, thus improve the overall utilization rate of solar energy.But prior art is also without reference to this series products.
Therefore prior art haves much room for improvement and develops.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of can fully absorb too can the heat put aside of collection plate to reduce photovoltaic panel temperature, improve photovoltaic efficiency, extend the multi-stage heat exchanger type photovoltaic and photothermal co-feeding system in photovoltaic module life-span.
Technical solution of the present utility model is: a kind of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system, it includes the solar energy collecting plate being connected into the first loop by pipeline, the first circulating pump, the heat storage tank of band heat exchanger tube, and double-evaporator heat pump, air radiator;
Described double-evaporator heat pump includes the compressor being sequentially connected with and being formed the second loop by pipeline, condenser, throttle part, first vaporizer and the second vaporizer, one of them vaporizer is water source heat exchanger, and another vaporizer is air source heat exchanger, and two evaporator series connect;Described compressor outlet is provided with the pipeline connection throttle part outlet of band bypass valve;
Heat storage tank is communicated with the 3rd loop of condenser, and the 3rd loop is provided with the second circulating pump.
It is provided with three-way valve on the pipeline in the first loop between described first circulating pump and described heat storage tank, the branch road of three-way valve is connected on the pipeline between heat storage tank and double-evaporator heat pump, switched by the direction of three-way valve, realize connection heat storage tank in the first loop and the pipeline connection skipping heat storage tank selects.
Described solar energy collecting plate is made up of solar energy photovoltaic panel, metallic plate and metal tube;Together with the one side of metallic plate fits tightly with photovoltaic back, metallic plate another side is welded with metal tube.
Described solar energy collecting plate is made up of with heat pipe or heat exchanging chamber laminating solar energy photovoltaic panel, or fitted tightly the heat-conducting plate with heat pipe interlayer or heat exchanging chamber interlayer by solar energy photovoltaic panel backboard to constitute, or be directly furnished with heat pipe or heat exchanging chamber in the inside of photovoltaic panel backboard or backboard rear surface.
Described solar energy collecting plate is separately connected to inverter.
The operation material filled in second loop of described double-evaporator heat pump is cold-producing medium, and the operation material filled in other loops and branch road is water, aqueous solution, antifreezing agent or conduction oil.
Described first loop is serially connected with air radiator, expansion drum, relief valve, sealant supplement cylinder;Second loop is serially connected with gas-liquid separator, reservoir, oil point, electromagnetic valve, capillary tube.
The beneficial effects of the utility model:
(1) by thermoelectricity complex type solar collection plate, in addition to realizing photovoltaic generation, it is also possible to utilize the heat energy that collection plate is put aside to add hot water or other liquid.
(2) heat energy can be absorbed further by double-evaporator heat pump, reduce photovoltaic panel temperature, improve the generating efficiency of photovoltaic, it is ensured that the life-span of photovoltaic module.
(3) double-evaporator heat pump can be powered by electrical network in the case of not having sunlight, and holding is normal to work, it is ensured that hot water supply.
Accompanying drawing explanation
Fig. 1 is this utility model frame structure schematic diagram.
Description of reference numerals: 1, solar energy collecting plate;2, the first circulating pump;3, three-way valve;4, heat storage tank;5, double-evaporator heat pump;51, compressor;511, bypass solenoid valve;52, condenser;53, throttle part;54, the first vaporizer;55, the second vaporizer;6, air radiator;7, inverter;8, the second circulating pump.
Detailed description of the invention
Embodiment:
Refering to Fig. 1, a kind of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system, it includes the solar energy collecting plate 1 being connected into the first loop by pipeline, the first circulating pump 2, the heat storage tank 4 of band heat exchanger tube, and double-evaporator heat pump 5, air radiator 6;
Described double-evaporator heat pump 5 includes the compressor 51 being sequentially connected with and being formed the second loop by pipeline, condenser 52, throttle part 53, first vaporizer 54 and the second vaporizer 55, one of them vaporizer is water source heat exchanger, another vaporizer is air source heat exchanger, and two evaporator series connect;The outlet of described compressor 51 is provided with the pipeline connection throttle part 53 of band bypass valve 511 and exports;
Heat storage tank 4 is communicated with the 3rd loop of condenser 52, and the 3rd loop is provided with the second circulating pump 8.
Pipeline between first circulating pump 2 and heat storage tank 4 is provided with three-way valve 3, and heat storage tank 4 is communicated with the 3rd branch road of the second vaporizer 55, this three-way valve 3 the most also connection the 3rd branch road.
Solar energy collecting plate 1 is made up of solar energy photovoltaic panel, metallic plate and metal tube;Together with the one side of metallic plate fits tightly with photovoltaic back, metallic plate another side is welded with metal tube.
Metal tube forms single S-shaped pipe, single three-back-shaped serpentine pipe, many S-shaped pipes in parallel, the many three-back-shaped solenoids of parallel connection, many vertical pipes in parallel or the version of plural parallel stage pipe at the metallic plate back side.
Solar energy collecting plate 1 is made up of with heat pipe or heat exchanging chamber laminating solar energy photovoltaic panel, in order to fully absorb heat energy produced by photovoltaic panel;Or fitted tightly the heat-conducting plate with heat pipe interlayer or heat exchanging chamber interlayer by solar energy photovoltaic panel backboard to constitute, or be directly furnished with heat pipe or heat exchanging chamber in the inside of photovoltaic panel backboard or backboard rear surface.
Charging refrigerant in pipeline, wherein the first vaporizer 54 is air source heat exchanger, and the second vaporizer 55 is water source heat exchanger,
Metal tube has inlet and outlet at the two ends of solar energy collecting plate 1.
Start double-evaporator heat pump 5 system when solar energy collecting plate 1 temperature of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system is lower than heat storage tank 4 temperature and carry out two grades of heating.Now switching three-way valve 3, heat transferring medium is allowed directly to return to solar energy collecting plate 1 after three-way valve 3 enters the second vaporizer 55 heat release after double-evaporator heat pump 5 circulation line without the heat exchanger tube in heat storage tank 4, do not start when there being sunlight or the relatively slow-speed of revolution opens the blower fan of air source heat exchanger preferably to reduce the temperature of solar heat-collection plate, do not have during sunlight to start the blower fan of air heat exchanger to increase heat transfer effect.
The pipe-line system of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system is full of anti-icing fluid, water or aqueous solution, pipeline can also be in series with fluid infusion case, air bleeding valve, Pressure gauge, thermometer, stop valve, three-way valve 3, filter.
Solar energy collecting plate 1 is separately connected to inverter 7 so that electric energy produced by solar energy collecting plate 1 stores in electric storage means by inverter 7 or drives electrical equipment work or be delivered on electrical network go by synchronizing mode.
Solar energy collecting plate 1 temperature of multi-stage heat exchanger type photovoltaic and photothermal co-feeding system starts the first circulating pump 2 when exceeding a certain design temperature, is delivered in heat storage tank 4 by the heat energy on solar energy collecting plate 1 by heat exchanger tube in heat storage tank 4;When the Temperature of Working flowing through air radiator 6 is higher than setting value, the electric motor starting of air radiator 6, the heat energy allowing working medium carry is delivered in air, the most too high to ensure back the Temperature of Working of solar energy collecting plate 1.
In the description of this specification, the description of term " embodiment " etc. means to combine this embodiment or example describes specific features, structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (7)

1. a multi-stage heat exchanger type photovoltaic and photothermal co-feeding system, it is characterised in that: it includes the solar energy collecting plate being connected into the first loop by pipeline, the first circulating pump, the heat storage tank of band heat exchanger tube, and double-evaporator heat pump, air radiator;
Described double-evaporator heat pump includes the compressor being sequentially connected with and being formed the second loop by pipeline, condenser, throttle part, first vaporizer and the second vaporizer, one of them vaporizer is water source heat exchanger, and another vaporizer is air source heat exchanger, and two evaporator series connect;Described compressor outlet is provided with the pipeline connection throttle part outlet of band bypass valve;
Heat storage tank is communicated with the 3rd loop of condenser, and the 3rd loop is provided with the second circulating pump.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterized in that: on the pipeline in the first loop between described first circulating pump and described heat storage tank, be provided with three-way valve, the branch road of three-way valve is connected on the pipeline between heat storage tank and double-evaporator heat pump, switched by the direction of three-way valve, realize connection heat storage tank in the first loop and the pipeline connection skipping heat storage tank selects.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterised in that: described solar energy collecting plate is made up of solar energy photovoltaic panel, metallic plate and metal tube;Together with the one side of metallic plate fits tightly with photovoltaic back, metallic plate another side is welded with metal tube.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterized in that: described solar energy collecting plate is made up of with heat pipe or heat exchanging chamber laminating solar energy photovoltaic panel, or fitted tightly the heat-conducting plate with heat pipe interlayer or heat exchanging chamber interlayer by solar energy photovoltaic panel backboard to constitute, or be directly furnished with heat pipe or heat exchanging chamber in the inside of photovoltaic panel backboard or backboard rear surface.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterised in that: described solar energy collecting plate is separately connected to inverter.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterized in that: the operation material filled in the second loop of described double-evaporator heat pump is cold-producing medium, the operation material filled in other loops and branch road is water, aqueous solution, antifreezing agent or conduction oil.
Multi-stage heat exchanger type photovoltaic and photothermal co-feeding system the most according to claim 1, it is characterised in that: described first loop is serially connected with air radiator, expansion drum, relief valve, sealant supplement cylinder;Second loop is serially connected with gas-liquid separator, reservoir, oil point, electromagnetic valve, capillary tube.
CN201620204991.XU 2016-03-17 2016-03-17 Multistage heat exchange type photovoltaic light and heat allies oneself with confession system Expired - Fee Related CN205566214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620204991.XU CN205566214U (en) 2016-03-17 2016-03-17 Multistage heat exchange type photovoltaic light and heat allies oneself with confession system

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Application Number Priority Date Filing Date Title
CN201620204991.XU CN205566214U (en) 2016-03-17 2016-03-17 Multistage heat exchange type photovoltaic light and heat allies oneself with confession system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811877A (en) * 2016-03-17 2016-07-27 苏州大美节能科技有限公司 Multi-stage heat-exchange type photovoltaic photo-thermal combined supply system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811877A (en) * 2016-03-17 2016-07-27 苏州大美节能科技有限公司 Multi-stage heat-exchange type photovoltaic photo-thermal combined supply system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160907

Termination date: 20170317

CF01 Termination of patent right due to non-payment of annual fee