CN103471255B - The solar water heating system of photovoltaic power supply - Google Patents

The solar water heating system of photovoltaic power supply Download PDF

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Publication number
CN103471255B
CN103471255B CN201310417733.0A CN201310417733A CN103471255B CN 103471255 B CN103471255 B CN 103471255B CN 201310417733 A CN201310417733 A CN 201310417733A CN 103471255 B CN103471255 B CN 103471255B
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China
Prior art keywords
water
water tank
control gear
electric control
solar energy
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CN201310417733.0A
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CN103471255A (en
Inventor
江希勤
李德亮
孙学斌
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Shangdong Sangle Solar Energy Co., Ltd.
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ZHEJIANG SANGLE DIGITAL SOLAR ENERGY 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The present invention discloses the solar water heating system of a kind of photovoltaic power supply, comprise solar energy collector, water tank, household water tank and electric control gear, solar energy collector, water tank is connected successively with household water tank, systemic circulation pump and electric three passes valve it is connected with between described water tank and household water tank, described electric three passes valve comprises feed-water end, first water side and the 2nd water side, described feed-water end is connected with systemic circulation pump, described first water side is connected with household water tank, 2nd water side first reverse checkvalve is connected with the feed-water end of solar energy collector, the backwater end of household water tank is connected with the feed-water end of solar energy collector through the 2nd reverse checkvalve, described electric three passes valve and systemic circulation pump are electrically connected with electric control gear, described electric control gear comprises photovoltaic cell. electric control gear replaces city's electricity it to be powered by photocell, environmental protection. only a systemic circulation pump can make heat collecting and circulating system and user's water tank recycle system work simultaneously, reduce costs and current consumption few.

Description

The solar water heating system of photovoltaic power supply
Technical field
The present invention relates to solar heating engineering technical field, specifically the solar water heating system of the photovoltaic power supply of a kind of multi-client water demand.
Background technology
Solar water waterworks is the hot waterworks of collection become by organic assembling such as solar energy collector, water tank, Controlling System, water circulating pump, pipe line parts, is mainly used in the unit of the multi-client water such as school, hotel. In prior art, Controlling System in solar water supply system is by mains-supplied, and needing multiple recycle pump could realize heat collecting and circulating system and user's water tank recycle system works simultaneously, the more electricity supply of multiple recycle pump need of work, causes the waste to city's electric energy.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of by photovoltaic power supply and the solar photovoltaic hot-water system that consumes energy few.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
The solar water heating system of a kind of photovoltaic power supply, comprise solar energy collector, water tank, household water tank and electric control gear, solar energy collector, water tank is connected successively with household water tank, systemic circulation pump and electric three passes valve it is connected with between described water tank and household water tank, described electric three passes valve comprises feed-water end, first water side and the 2nd water side, described feed-water end is connected with systemic circulation pump, described first water side is connected with household water tank, 2nd water side first reverse checkvalve is connected with the feed-water end of solar energy collector, the backwater end of household water tank is connected with the feed-water end of solar energy collector through the 2nd reverse checkvalve, described electric three passes valve and systemic circulation pump are electrically connected with electric control gear, described electric control gear comprises photovoltaic cell.
As preferably, the water side of described first reverse checkvalve is connected by a teesaddle joint with the water side of the 2nd reverse checkvalve, being connected with temperature sensor T4 between described teesaddle joint and the feed-water end of solar energy collector, described temperature sensor T4 is electrically connected with electric control gear.
As preferably, described solar energy collector is provided with the temperature sensor T1 for detecting its water temperature inside, and described temperature sensor T1 is electrically connected with electric control gear.
As preferably, described water tank is provided with the temperature sensor T2 for detecting its water temperature inside, and described temperature sensor T2 is electrically connected with electric control gear.
As preferably, being connected with temperature sensor T3 between the backwater end of described household water tank and the 2nd reverse checkvalve, described temperature sensor T3 is electrically connected with electric control gear.
As preferably, described electric three passes valve the 2nd is connected with current switch and magnetic valve in turn between water side and household water tank, described current switch is electrically connected with electric control gear, a current switch it is connected between the first water side and household water tank, when the water temperature in each household water tank is higher than timely closure systems during water temperature in solar energy collector, in order to avoid causing energy dissipation.
As preferably, described water tank is communicated with cold water filling pipe by a motorized valve, and described motorized valve is electrically connected with electric control gear.
As preferably, described electric control gear also comprises store battery, and photocell is combined with store battery and is powered by electric control gear, stable system operating voltage, thus ensure the stability of whole waterworks.
As preferably, the water inlet pipe end of described solar energy collector is provided with emptying solenoid valve, and temperature sensor T4 forms evacuation and anti-freezing system together with the emptying solenoid valve on solar energy collector, prevents pipeline frost bitten.
As preferably, described household water tank is provided with electricity boosting equipment, cold water filling pipe, hot water outlet pipe and control device, being provided with electricity utility appliance can heat the water in household water tank separately as required.
Technical scheme according to the present invention, electric control gear by photocell replace city electricity to its power supply, environmental protection and do not consume city's electricity. Only namely solve heat collecting and circulating system with a systemic circulation pump and problem that user's water tank recycle system works simultaneously, reducing costs, in addition, a systemic circulation pump work current consumption is less, photocell quantity required in whole system reduces, and reaches energy-conservation effect further.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 in the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
EmbodimentAs shown in Figure 1, the solar water heating system of a kind of photovoltaic power supply, comprise solar energy collector 1, water tank 2, water-heater 3 and electric control gear 6, described solar energy collector 1 is provided with the temperature sensor T18 for detecting its water temperature inside, described temperature sensor T18 is electrically connected with electric control gear 6, the water inlet pipe end of described solar energy collector 1 is provided with emptying solenoid valve 17, described water tank 2 is provided with the temperature sensor T29 for detecting its water temperature inside, described temperature sensor T29 is electrically connected with electric control gear 6, described water tank 2 is communicated with cold water filling pipe by a motorized valve 15, described motorized valve 15 is electrically connected with electric control gear 6, described water-heater 3 comprises household water tank, electricity boosting equipment, cold water filling pipe, hot water outlet pipe and control device, described electric control gear 6 comprises photocell 61, described photocell 61 is combined with store battery 62, described solar energy collector 1, water tank 2 is connected successively with water-heater 3, systemic circulation pump 4 and electric three passes valve 5 it is connected with between described water tank 2 and water-heater 3, described electric three passes valve 5 and systemic circulation pump 4 are all electrically connected with electric control gear 6, described electric three passes valve 5 comprises feed-water end 51, first water side 52 and the 2nd water side 53, described feed-water end 51 is connected with systemic circulation pump 4, described first water side 52 and water-heater 3 is connected and between be connected with current switch 14 and magnetic valve 16 in turn, described current switch 14 is electrically connected with electric control gear 6, 2nd water side 53 is connected with the feed-water end of solar energy collector 1 through the first reverse checkvalve 18, the backwater end of water-heater 3 is connected with the feed-water end of solar energy collector 1 through the 2nd reverse checkvalve 19, the temperature sensor T310 for detecting its return water temperature it is connected with between the backwater end of described water-heater 3 and the 2nd reverse checkvalve 13, described temperature sensor T310 is electrically connected with electric control gear 6, the water side of described first reverse checkvalve 12 is connected by a teesaddle joint 7 with the water side of the 2nd reverse checkvalve 13, it is connected with temperature sensor T411 between described teesaddle joint 7 and the feed-water end of solar energy collector 1, described temperature sensor T411 is electrically connected with electric control gear 6.
The present invention is in actual use, when there being sunlight, this waterworks starts, electric control gear 6 detects the water temperature T 1 of heat collector 1 by temperature sensor T18, temperature sensor T29 detects the water temperature T 2 in water tank 2, when the collection thermal cycling of T1 T2 >=set in advance starts temperature approach, electric control gear 6 controls electric three passes valve 5 and is connected the 2nd water side 53, water in water tank 2 is successively by systemic circulation pump 4, 2nd water side 53 of electric three passes valve 5, first check valve 12, teesaddle joint 7, temperature sensor T411 is to the feed-water end of solar energy collector 1, thus realize collecting system circulation, so it is circulated to temperature sensor T29 when the water temperature in water tank 2 being detected higher than heat supply loop start preset value, electric control gear 6 controls electric three passes valve 5 and is connected the first water side 52, water in water tank 2 is successively through systemic circulation pump 4, first water side 52 of electric three passes valve 5, current switch 14, magnetic valve 16 arrives in water-heater 3, the water after heat exchange is carried out successively through the 2nd check valve 13 with the cold water in water-heater 3, teesaddle joint 7, temperature sensor T4 is to the feed-water end of solar energy collector 1, thus realize heat collecting and circulating system and user's water tank recycle system works simultaneously. temperature sensor T411 forms evacuation and anti-freezing system together with emptying solenoid valve 17, when temperature sensor T411 detects that the water temperature in pipeline is lower than certain set(ting)value, during the freezing water pipe of possibility, the electric control gear 6 Controlling System recycle system starts to heat water temperature, prevents pipeline generation frostbite. it is connected with current switch 14 between the first water side 52 and magnetic valve 16, when the water temperature in all water-heaters 3 is all higher than water temperature in solar energy collector 1, each magnetic valve 16 cuts out, in pipeline, water stops flowing, current switch 14 detects this kind of situation, notice electric control gear 6 cuts out whole waterworks, in order to avoid waste electricity.
Electric control gear in this waterworks is powered by photocell, environmental protection and without city electricity. Meanwhile, only can meeting heat collecting and circulating system with a systemic circulation pump and requirement that user's water tank recycle system works simultaneously, little power consumption, required photocell number can corresponding reduce, and therefore, this photovoltaic waterworks can reach the effect of energy-conserving and environment-protective.
In a word, the foregoing is only the better embodiment of the present invention, all impartial changes done according to the present patent application patent scope, with modifying, all should belong to the covering scope of patent of the present invention.

Claims (1)

1. the solar water heating system of a photovoltaic power supply, comprise solar energy collector (1), water tank (2), household water tank (3) and electric control gear (6), solar energy collector (1), water tank (2) is connected successively with household water tank (3), it is characterized in that: between described water tank (2) and household water tank (3), be connected with systemic circulation pump (4) and electric three passes valve (5), described electric three passes valve (5) comprises feed-water end (51), first water side (52) and the 2nd water side (53), described feed-water end (51) is connected with systemic circulation pump (4), described first water side (52) is connected with household water tank (3), 2nd water side (53) is connected through the backwater end of the first reverse checkvalve (12) with solar energy collector (1), the backwater end of household water tank (3) is connected with the backwater end of solar energy collector (1) through the 2nd reverse checkvalve (13), described electric three passes valve (5) and systemic circulation pump (4) are electrically connected with electric control gear (6), described electric control gear comprises photovoltaic cell (61), the water side of described first reverse checkvalve (12) is connected by a teesaddle joint (7) with the water side of the 2nd reverse checkvalve (13), it is connected with temperature sensor T4(11 between the backwater end of described teesaddle joint (7) and solar energy collector (1)), described temperature sensor T4(11) it is electrically connected with electric control gear (6), described solar energy collector (1) is provided with the temperature sensor T1(8 for detecting its water temperature inside), described temperature sensor T1(8) it is electrically connected with electric control gear (6), described water tank (2) is provided with the temperature sensor T2(9 for detecting its water temperature inside), described temperature sensor T2(9) it is electrically connected with electric control gear (6), it is connected with temperature sensor T3(10 between the backwater end of described household water tank (3) and the 2nd reverse checkvalve (13)), described temperature sensor T3(10) it is electrically connected with electric control gear (6), being connected with current switch (14) and magnetic valve (16) between described electric three passes valve the 2nd water side (53) and household water tank (3) in turn, described current switch (14) is electrically connected with electric control gear (6), described water tank (2) is communicated with cold water filling pipe by a motorized valve (15), and described motorized valve (15) is electrically connected with electric control gear (6), described electric control gear (6) also comprises store battery (62), the backwater end of described solar energy collector (1) is provided with emptying solenoid valve (17), described household water tank (3) is provided with electricity boosting equipment, cold water filling pipe, hot water outlet pipe and control device.
CN201310417733.0A 2013-09-15 2013-09-15 The solar water heating system of photovoltaic power supply Active CN103471255B (en)

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Publication number Priority date Publication date Assignee Title
CN105318568B (en) * 2014-07-29 2018-04-17 迁安市道通商贸有限公司 Solar water and heating engineering intermediate box
CN110207407A (en) * 2019-05-10 2019-09-06 西藏金凯新能源股份有限公司 Photo-thermal photo voltaic hot water machine water system

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* Cited by examiner, † Cited by third party
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CN101691955A (en) * 2009-10-09 2010-04-07 侯文武 Solar photovoltaic hot water controller
CN201706602U (en) * 2010-07-02 2011-01-12 浙江世贸建筑科技研究院有限公司 Intelligent master control system for centralized heat-collection and individual household heat-storage type solar water heating
CN203501479U (en) * 2013-09-15 2014-03-26 浙江桑乐数字化太阳能有限公司 Photovoltaic-powered solar water heating system

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CB03 Change of inventor or designer information

Inventor after: Jiang Xiqin

Inventor after: Li Deliang

Inventor after: Sun Xuebin

Inventor before: Jiang Xiqin

Inventor before: Li Deliang

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Effective date of registration: 20170606

Address after: The 250014 Ji'nan Road, Shandong province high tech Zone No. 2639 spring

Patentee after: Shangdong Sangle Solar Energy Co., Ltd.

Address before: 314415, Zhejiang Province, Haining City, Jianshan province Jiaxing New District 16 listen to tide Road, room 101

Patentee before: Zhejiang Sangle Digital Solar Energy Co., Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: The 250000 Ji'nan Road, Shandong province high tech Zone No. 2639 spring

Patentee after: Shandong sangle Group Co., Ltd

Address before: The 250014 Ji'nan Road, Shandong province high tech Zone No. 2639 spring

Patentee before: SHANDONG SANGLE SOLAR ENERGY Co.,Ltd.