CN105066467A - Photovoltaic surplus power auxiliary heating type solar water heater - Google Patents

Photovoltaic surplus power auxiliary heating type solar water heater Download PDF

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Publication number
CN105066467A
CN105066467A CN201510426993.3A CN201510426993A CN105066467A CN 105066467 A CN105066467 A CN 105066467A CN 201510426993 A CN201510426993 A CN 201510426993A CN 105066467 A CN105066467 A CN 105066467A
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CN
China
Prior art keywords
photovoltaic
heating
solar energy
solar
electronic controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510426993.3A
Other languages
Chinese (zh)
Inventor
蒋钟伟
杜正领
王宇峰
陈道宏
张波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI WESTECH SOLAR CO Ltd
Original Assignee
WUXI WESTECH SOLAR CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUXI WESTECH SOLAR CO Ltd filed Critical WUXI WESTECH SOLAR CO Ltd
Priority to CN201510426993.3A priority Critical patent/CN105066467A/en
Publication of CN105066467A publication Critical patent/CN105066467A/en
Pending legal-status Critical Current

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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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • 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

Abstract

The invention discloses a photovoltaic surplus power auxiliary heating type solar water heater which comprises a photo-thermal system and a photovoltaic system. The photo-thermal system comprises a solar thermal collector and a solar water heating tank which are communicated through a pipeline. The photovoltaic system comprises a solar photovoltaic panel, a photovoltaic inverter, a power-provided control type electronic controller and an electric heating type electronic controller. The solar photovoltaic panel is electrically connected with the photovoltaic inverter which is electrically connected with the electric heating type electronic controller and the power-provided control type electronic controller. The electric heating type electronic controller and the power-provided control type electronic controller are electrically connected. An electric heating function hole is formed in the solar water heating tank, and the power-provided control type electronic controller is arranged on the electric heating function hole. The photovoltaic surplus power heat assisting type solar water heater can effectively balance photovoltaic power output, the auxiliary heating purpose of the photo-thermal system can be achieved, electric power generated by the photovoltaic system can be stably output into a power grid in balance, and impact of photovoltaic electricity to the power grid is avoided.

Description

Electric auxiliary heating type solar water heater more than photovoltaic
Technical field
The present invention relates to electric auxiliary heating type solar water heater more than a kind of photovoltaic, belong to solar energy composite and utilize heating art.
Background technology
Solar energy is inexhaustible, belongs to widely distributed clean energy resource, can develop on the spot.Although the efficiency of photovoltaic generation is lower, electric energy is other energy comparatively, and belong to high-grade secondary energy sources, range of application widely.Wherein applying the most outstanding is family grid-connected photovoltaic system, usually in parallel with electrical network, and the electric power that photovoltaic arrays sends is for household electrical appliance, and unnecessary electric power, inputs electrical network.Powered to household electrical appliance by electrical network when evening or overcast and rainy photovoltaic arrays generation deficiency.The advantage of this photovoltaic system is a lot; but also Shortcomings part; first be the access of a large amount of distributed power supplys; make the transformation of power distribution network and pipeline more complicated; grid-connected and to the synchronizing mode of electrical network transmission power, can voltage pulsation be caused and affect the configuration of relay protection, and photovoltaic generation generally accesses electrical network by inverter; the frequent switch of this type of power electronic devices, easily produces harmonic pollution.
Summary of the invention
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, provides electric auxiliary heating type solar water heater more than a kind of photovoltaic, and its can export by active balance photovoltaic electric, ensures that photovoltaic home system outputs to the relative stability of the voltage on electrical network.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: electric auxiliary heating type solar water heater more than a kind of photovoltaic, comprise opto-thermal system and photovoltaic system, opto-thermal system is electrically connected with photovoltaic system, described opto-thermal system comprises the solar thermal collector and solar energy hot water tank that are connected by pipeline, described photovoltaic system comprises solar energy photovoltaic panel, photovoltaic DC-to-AC converter, carry power control type electric heater and the electrical heating electronic controller for accessing electrical network, described solar energy photovoltaic panel is electrically connected with photovoltaic DC-to-AC converter, photovoltaic DC-to-AC converter respectively with electrical heating electronic controller, carry the electrical connection of power control type electric heater, electrical heating electronic controller and carry power control type electric heater electrical connection, described solar energy hot water tank is provided with electric heating function hole, carry power control type electric heater to be arranged on this electric heating function hole.
Further, metering device is electrically connected with before described electrical heating electronic controller access electrical network.
Further provide a kind of syndeton carrying power control type electric heater, the described power control type electric heater that carries is threaded connection on the electric heating function hole of solar energy hot water tank.
Further, described solar energy hot water tank has solar energy heating import and solar energy heating outlet, solar thermal collector has heat collector outlet and heat collector entrance, and heat collector outlet is connected with solar energy heating import, and heat collector entrance and solar energy heating export to be connected and form peripheral passage.
Further, described opto-thermal system is Split pressure-bearing formula solar water heating system.
After have employed technique scheme, the electric energy that photovoltaic system produces can be connected to the grid by electrical heating electronic controller of the present invention, and meanwhile, electrical heating electronic controller can control to carry power control type electric heater and heat to the water in solar energy hot water tank; The change of solar irradiation causes the power output of photovoltaic system to change, when electric energy becomes after alternating current through photovoltaic DC-to-AC converter, unnecessary power distribution to carrying on power control type electric heater, is carried out auxiliary heating to solar energy hot water tank by electrical heating electronic controller; When solar irradiation quantity not sufficient makes solar energy photovoltaic panel generation deficiency, powered to solar energy hot water tank by electrical network, meet instructions for use; The present invention can active balance photovoltaic system electricity export, the utilization rate of photovoltaic system is improved more than 10%, the auxiliary heating problem of opto-thermal system can be solved, and improvement cost is little, the electric energy that photovoltaic system can be made again to produce can output in electrical network equalization stable, avoiding the impact of photovoltaic electric to electrical network, is the good way of family photo-thermal system comprehensive utilization.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric auxiliary heating type solar water heater more than photovoltaic of the present invention;
In figure, 1, solar thermal collector, 1-1, heat collector export, 1-2, heat collector entrance, 2, solar energy photovoltaic panel, 3, photovoltaic DC-to-AC converter, 4, solar energy hot water tank, 4-1, solar energy heating import, 4-2, solar energy heating export, 5, electrical heating electronic controller, 6, metering device, 7, carry power control type electric heater.
Detailed description of the invention
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
As shown in Figure 1, electric auxiliary heating type solar water heater more than a kind of photovoltaic, comprise opto-thermal system and photovoltaic system, opto-thermal system is electrically connected with photovoltaic system, opto-thermal system comprises the solar thermal collector 1 and solar energy hot water tank 4 that are connected by pipeline, photovoltaic system comprises solar energy photovoltaic panel 2, photovoltaic DC-to-AC converter 3, carry power control type electric heater 7 and the electrical heating electronic controller 5 for accessing electrical network, solar energy photovoltaic panel 2 is electrically connected with photovoltaic DC-to-AC converter 3, photovoltaic DC-to-AC converter 3 respectively with electrical heating electronic controller 5, carry power control type electric heater 7 to be electrically connected, electrical heating electronic controller 5 and carry power control type electric heater 7 and be electrically connected, described solar energy hot water tank 4 is provided with electric heating function hole, carry power control type electric heater 7 to be arranged on this electric heating function hole.
As shown in Figure 1, electrical heating electronic controller 5 is electrically connected with metering device 6 before accessing electrical network.
As shown in Figure 1, carry power control type electric heater 7 to be threaded connection on the electric heating function hole of solar energy hot water tank 4.
As shown in Figure 1, solar energy hot water tank 4 has solar energy heating import 4-1 and solar energy heating outlet 4-2, solar thermal collector 1 has heat collector outlet 1-1 and heat collector entrance 1-2, heat collector outlet 1-1 is connected with solar energy heating import 4-1, and heat collector entrance 1-2 and solar energy heating export 4-2 and be connected and form peripheral passage.
Described opto-thermal system is Split pressure-bearing formula solar water heating system.
The electric energy that photovoltaic system produces can be connected to the grid by electrical heating electronic controller 5 of the present invention, and meanwhile, electrical heating electronic controller 5 can control to carry power control type electric heater 7 and heat to the water in solar energy hot water tank 4; The change of solar irradiation causes the power output of photovoltaic system to change, when electric energy is after photovoltaic DC-to-AC converter 3 becomes alternating current, unnecessary power distribution to carrying on power control type electric heater 7, is carried out auxiliary heating to solar energy hot water tank 4 by electrical heating electronic controller 5; When solar irradiation quantity not sufficient makes solar energy photovoltaic panel 2 generation deficiency, powered to solar energy hot water tank 4 by electrical network, meet instructions for use; Energy active balance photovoltaic system electricity of the present invention exports, the utilization rate of photovoltaic system is improved more than 10%, the auxiliary heating problem of opto-thermal system can be solved, and improvement cost is little, the electric energy that photovoltaic system can be made again to produce can output in electrical network equalization stable, avoiding the impact of photovoltaic electric to electrical network, is the good way of family photo-thermal system comprehensive utilization.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. electric auxiliary heating type solar water heater more than a photovoltaic, comprise opto-thermal system and photovoltaic system, opto-thermal system is electrically connected with photovoltaic system, described opto-thermal system comprises the solar thermal collector (1) and solar energy hot water tank (4) that are connected by pipeline, it is characterized in that: described photovoltaic system comprises solar energy photovoltaic panel (2), photovoltaic DC-to-AC converter (3), carry power control type electric heater (7) and the electrical heating electronic controller (5) for accessing electrical network, described solar energy photovoltaic panel (2) is electrically connected with photovoltaic DC-to-AC converter (3), photovoltaic DC-to-AC converter (3) respectively with electrical heating electronic controller (5), carry power control type electric heater (7) electrical connection, electrical heating electronic controller (5) and carry power control type electric heater (7) electrical connection, described solar energy hot water tank (4) is provided with electric heating function hole, carry power control type electric heater (7) to be arranged on this electric heating function hole.
2. electric auxiliary heating type solar water heater more than photovoltaic according to claim 1, is characterized in that: be electrically connected with metering device (6) before described electrical heating electronic controller (5) access electrical network.
3. electric auxiliary heating type solar water heater more than photovoltaic according to claim 1 and 2, is characterized in that: the described power control type electric heater (7) that carries is threaded connection on the electric heating function hole of solar energy hot water tank (4).
4. electric auxiliary heating type solar water heater more than photovoltaic according to claim 1 and 2, it is characterized in that: described solar energy hot water tank (4) has solar energy heating import (4-1) and solar energy heating outlet (4-2), solar thermal collector (1) has heat collector outlet (1-1) and heat collector entrance (1-2), heat collector outlet (1-1) is connected with solar energy heating import (4-1), and heat collector entrance (1-2) exports (4-2) and is connected and forms peripheral passage with solar energy heating.
5. electric auxiliary heating type solar water heater more than photovoltaic according to claim 1 and 2, is characterized in that: described opto-thermal system is Split pressure-bearing formula solar water heating system.
CN201510426993.3A 2015-07-20 2015-07-20 Photovoltaic surplus power auxiliary heating type solar water heater Pending CN105066467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510426993.3A CN105066467A (en) 2015-07-20 2015-07-20 Photovoltaic surplus power auxiliary heating type solar water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510426993.3A CN105066467A (en) 2015-07-20 2015-07-20 Photovoltaic surplus power auxiliary heating type solar water heater

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110553411A (en) * 2019-09-11 2019-12-10 浙江正泰新能源开发有限公司 Cascade heat collection system and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202419950U (en) * 2012-01-12 2012-09-05 广州光之歌能源科技有限公司 Solar photovoltaic and solar-thermal combined type water heater
CN202648176U (en) * 2012-06-27 2013-01-02 苏州阳光四季太阳能有限公司 Split flat-panel solar photo-thermal photovoltaic system
US20140123644A1 (en) * 2012-11-02 2014-05-08 Korea Institute Of Energy Research Heat-electricity combined production system that utilizes solar energy and geothermal heat
CN204043216U (en) * 2014-06-03 2014-12-24 重庆师范大学 Photovoltaic and photothermal solar and air can combine hot-water heating system
CN204880780U (en) * 2015-07-20 2015-12-16 无锡环特太阳能科技有限公司 Photovoltaic remains electric boosting type solar water heater

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202419950U (en) * 2012-01-12 2012-09-05 广州光之歌能源科技有限公司 Solar photovoltaic and solar-thermal combined type water heater
CN202648176U (en) * 2012-06-27 2013-01-02 苏州阳光四季太阳能有限公司 Split flat-panel solar photo-thermal photovoltaic system
US20140123644A1 (en) * 2012-11-02 2014-05-08 Korea Institute Of Energy Research Heat-electricity combined production system that utilizes solar energy and geothermal heat
CN204043216U (en) * 2014-06-03 2014-12-24 重庆师范大学 Photovoltaic and photothermal solar and air can combine hot-water heating system
CN204880780U (en) * 2015-07-20 2015-12-16 无锡环特太阳能科技有限公司 Photovoltaic remains electric boosting type solar water heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110553411A (en) * 2019-09-11 2019-12-10 浙江正泰新能源开发有限公司 Cascade heat collection system and control method thereof

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Application publication date: 20151118