CN103836715B - A kind of solar gas compound energy hot-water heating system - Google Patents

A kind of solar gas compound energy hot-water heating system Download PDF

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Publication number
CN103836715B
CN103836715B CN201210481320.4A CN201210481320A CN103836715B CN 103836715 B CN103836715 B CN 103836715B CN 201210481320 A CN201210481320 A CN 201210481320A CN 103836715 B CN103836715 B CN 103836715B
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water
solar
temperature
heater
heat storage
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CN103836715A (en
Inventor
余少言
仇明贵
向熹
张强
何佳
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Abstract

The present invention relates to water-storage heater field, discloses a kind of solar gas compound energy hot-water heating system, including:Solar heater, gas heater, water pot, central hot water circulation loop and control system;Characterized in that, the water pot includes:The thermostatic tank being joined directly together with central hot water circulation loop, the heat storage can of solar energy circulation loop is formed with solar heater;The water inlet of the first delivery port connection gas heater of the thermostatic tank upper end, the delivery port of the first water inlet connection gas heater of the thermostatic tank upper end, forms heat cycles loop;The delivery port of the heat storage can connects the second water inlet of thermostatic tank lower end and the water inlet of gas heater by triple valve.Compared with prior art, the present invention has solar energy utilization ratio high, and the rate of heat addition is fast, while the advantage of continuous big flow constant temperature water supply ability can be achieved with the heat output of less gas heating equipment.The present invention also provides a kind of control method based on above-mentioned hot-water heating system.

Description

A kind of solar gas compound energy hot-water heating system
Technical field
The present invention relates to water-storage heater field, more particularly to a kind of solar gas compound energy hot-water heating system and use Method.
Background technology
In recent years, as energy-conserving and environment-protective are gradual to the higher and higher requirement of household electrical appliance proposition, solar gas water heater Favored by user.However, individually solar water heater climate is influenceed greatly, it is difficult to which sufficient hot water is carved with when ensureing to be made With.Therefore, a kind of compound Multiple-heat-sourcehot hot water system of solar gas is developed in industry.
Chinese patent such as a Publication No. CN2740949 discloses a kind of central combustion gas of multi-heat source (solar energy, gas, electricity) Water heater, as shown in figure 1, including:Solar heat collector 01, gas-operated thermal bath facility 02, thermostatic pump 03, temperature sensor 04, Temperature control system 05, the water inlet of described gas-operated thermal bath facility 02 are connected with water storing tank 06, and delivery port passes through thermostatic pump 03 It is connected with water storing tank 06 and forms circulation loop;The water inlet of described solar heat collector communicates with running water, and exports It is connected with water storing tank 06;Temperature sensor is located in water storing tank 06.The combustion gas that this individually water pot integrates two kinds of firing equipments is answered Though solar energy and the combination of fuel gas buring heat energy can be utilized by closing energy hot-water heating system, following two defects are primarily present:1)Too Sun can circulate that the temperature difference is smaller, and the efficiency of heating surface is low;2)The utilization rate of solar energy is low, often due to gas utensil adds repeatedly in water storing tank Heat so that water tank temperature is maintained at design temperature, and now, even if meeting the entry condition of solar energy, system can also force Solar energy does not start.3)Continuous big flow water supply capacity is low, because the heat that solar energy is heated does not participate in heat output directly, When wanting to obtain lasting big flow constant temperature water supply, it is necessary to realized by improving the heating efficiency of gas heater, therefore export energy Power is restricted by gas heater heating efficiency.
In view of this, it is high how to develop a kind of solar energy utilization ratio of design, avoids being heated by gas heater with water-carrying capacity Power limitations, novel solar gas compound energy hot-water heating system be perplex industry development a new problem.
The content of the invention
For problems of the prior art, the present invention provides a kind of novel solar gas compound energy hot water system System, solves the problems, such as that solar energy utilization ratio is low in solar gas compound energy hot-water heating system, alleviates solar gas recombination energy Source hot-water heating system water-carrying capacity is by gas heater heating efficiency restricted problem.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of solar gas compound energy hot-water heating system, including:Solar heater, gas heater, water pot, center Hot water circulation loop and control system;Characterized in that, the water pot includes:It is joined directly together with central hot water circulation loop Thermostatic tank, the heat storage can of solar energy circulation loop is formed with solar heater;The connected mode of the thermostatic tank and heat storage can For:The water inlet of the first delivery port connection gas heater of thermostatic tank upper end, the first water inlet connection of the thermostatic tank upper end The delivery port of gas heater, form heat cycles loop;The delivery port of the heat storage can is connected under thermostatic tank by triple valve Second water inlet at end and the water inlet of gas heater.
As with improvement, the thermostatic tank is interior provided with the first temperature sensor being connected with control system.
As with improvement, the heat storage can is interior provided with the second temperature sensor being connected with control system.
As with improvement, the heat cycles loop is provided with the first pipeline pump being connected with control system;First pipe Road pump is on the pipeline of the connection delivery port of thermostatic tank first and gas heater water inlet.
As with improvement, the central hot water circulation system is provided with the second pipe pump being connected with control system.
The present invention also provides a kind of control method based on above-mentioned solar gas compound energy hot-water heating system, and its feature exists In:Close-loop control mode is monitored using quantity of heat storage, i.e. the temperature that control system is detected by first sensor, second sensor Degree, the instantaneous quantity of heat storage of compound energy hot-water heating system is calculated, when the use that user is subscribed in a certain period by preengaging module During water, before the period reaches, control system instantaneous quantity of heat storage more than determines whether to meet user's request automatically;If not Enough, control system is started heat cycles loop by heating module and carries out heat supplement to thermostatic tank immediately.
As with improvement, the control mode in the heat cycles loop is:With under water state, when thermostatic tank water temperature≤startup Target temperature, and set flow for the moment with water-carrying capacity <, start the first pipeline pump, open gas heater and thermostatic tank is heated; Flow is set when thermostatic tank water temperature≤startup target temperature and with water-carrying capacity > for the moment, closes the first pipeline pump, control system pair Triple valve switches over, and the water in heat storage can is directly entered gas heater through triple valve, starts gas heater to thermostatic tank Heating;When thermostatic tank water temperature > sets target temperature, gas heater does not start or stop startup.
Further with improvement, the quantity of heat storage monitoring close-loop control mode includes the control mode of solar energy circulation loop, The solar energy circulation loop control mode is:When the temperature difference of the water temperature > settings of water temperature-heat storage can of solar heater, control System processed opens solar energy circulation loop by the first control module;As the water temperature < of water temperature-heat storage can of solar heater When the startup temperature difference of setting or the water temperature of heat storage can reach the temperature of setting, solar energy circulation loop is out of service.
Further with improvement, the quantity of heat storage monitoring close-loop control mode includes the controlling party of central hot water circulation loop Formula, the control mode of the central hot water circulation loop are:When on thermostatic tank water temperature > design temperatures and central hot water circulation loop Water temperature < start-up temperatures when, control system pass through the second control module open central hot water circulation loop on second pipe Pump;When the water temperature in central hot water circulation loop >=closing target temperature or thermostatic tank water temperature≤certain temperature or second pipe When pump continuously runs more than setting time, central hot water circulation loop is closed.
Compared with existing Multiple-heat-sourcehot hot water system, solar gas compound energy hot-water heating system provided by the invention has Following beneficial effect:
First, solar heater and combustion gas gas heater are separately designed, heat accumulation are distinguished using heat storage can and thermostatic tank, The effective heat transfer temperature difference for improving solar energy, improve the utilization rate of heat transfer effect and solar energy.
2nd, individually heat storage can is heated using solar energy, the guarantee of size solar energy designed by of heat storage can Rate is selected, as long as system has water demand, solar energy just has heat output, solar energy utilization ratio height.
3rd, using the conveying direction of heat in control system intelligent selection heat storage can, and cold water is all to first pass through heat storage can Preheating enters back into thermostatic tank or gas heater, realizes and is achieved with continuously greatly with the output of less gas heater heat Flow constant-temperature hot water.
4th, by setting intelligence reservation module, facilitate user preset uses water period and water consumption, ensures user at this Water demand in section.
A kind of control method based on above-mentioned hot-water heating system provided by the invention, closed-loop control side is monitored using quantity of heat storage Formula, user is facilitated preengage with water, control effect is good.
Brief description of the drawings
Fig. 1 show existing solar gas compound energy hot-water heating system principle schematic;
Fig. 2 show the principle schematic of solar gas compound energy hot-water heating system embodiment one provided by the invention;
Fig. 3 show the heat cycles circuit controls flow of solar gas compound energy hot-water heating system provided by the invention Figure;
Fig. 4 show the solar energy circulation loop controlling stream of solar gas compound energy hot-water heating system provided by the invention Cheng Tu;
Fig. 5 show the central hot water circulation loop control of solar gas compound energy hot-water heating system provided by the invention Flow chart;
Fig. 6 show the structural representation of solar gas compound energy hot-water heating system embodiment two provided by the invention.
Description of reference numerals:
01st, solar heat collector 02, gas-operated thermal bath facility 03, thermostatic pump 04, temperature sensor 05, Temperature control system 06, water storing tank
1st, solar heater 2, gas heater 3, central hot water circulation loop 4, thermostatic tank 5, storage Hot tank 21, water inlet 22, delivery port 41, the first delivery port 42, the first water inlet 43, the second water inlet 44th, the first temperature sensor 51, delivery port 52, second temperature sensor 7, the first pipeline pump 8, second pipe Pump.
Embodiment
For the essence of the present invention is expanded on further, the embodiment of the present invention is described as follows with reference to accompanying drawing.
Embodiment one
As shown in Fig. 2 a kind of solar gas compound energy hot-water heating system, including:Solar heater 1, gas and hot water Device 2, central hot water circulation loop 3, the thermostatic tank 4 being joined directly together with central hot water circulation loop 3, with the shape of solar heater 1 Into the heat storage can 5 of solar energy circulation loop, and control system.
Wherein, the water inlet 21 of the first delivery port 41 connection gas heater 2 of the thermostatic tank 4, the of the thermostatic tank 4 The delivery port 22 of one water inlet 42 connection gas heater 2 forms heat cycles loop.The delivery port 51 of the heat storage can 5 passes through Triple valve 6 connects the second water inlet 43 of thermostatic tank and the water inlet 21 of gas heater.
The control system includes:The first control module of solar energy circulation loop is controlled, control heat cycles loop Heating module, control the second control module and intelligence reservation module of central hot water circulation loop.
Especially, be provided with for convenience of being controlled to solar gas compound energy hot-water heating system, in the thermostatic tank 4 with First temperature sensor 44 of control system connection, the heat storage can 5 is interior to be provided with the second temperature sensing being connected with control system Device 52, the heat cycles loop are provided with the first pipeline pump 7 being connected with control system;First pipeline pump 7 is positioned at connection On the pipeline of the delivery port 22 of the water inlet 42 of thermostatic tank 4 first and gas heater, the central hot water circulation loop 3 is provided with The second pipe pump 8 being connected with control system.
During actual control, the solar gas compound energy hot-water heating system that the present embodiment provides is using quantity of heat storage monitoring closed loop Control mode, i.e. the temperature that control system is detected by first sensor, second sensor calculates compound energy hot water system The instantaneous quantity of heat storage of system, when user is by preengaging water consumption that module was subscribed in a certain period, before the period reaches, control System processed instantaneous quantity of heat storage more than determines whether to meet user's request automatically;As not enough, control system passes through heating module Start heat cycles loop immediately and heat supplement is carried out to thermostatic tank.
Specifically, as shown in figure 3, the control mode in the heat cycles loop is:With under water state, when thermostatic tank water temperature S2≤startup target temperature, and set flow one with water-carrying capacity F1 <(Volume/time)When, start the first pipeline pump P1, open Gas heater heats to thermostatic tank;Flow one is set when thermostatic tank water temperature S2≤startup target temperature and with water-carrying capacity F1 > (Volume/time)When, the first pipeline pump P1 is closed, control system switches over to triple valve, and the water in heat storage can is through triple valve Gas heater is directly entered, starts gas heater and thermostatic tank is heated;When thermostatic tank water temperature S2 > close target temperature, Gas heater does not start or stop startup.And under useless water state:During thermostatic tank water temperature S2≤startup target temperature, start First pipeline pump P1 water pumps, open gas heater and thermostatic tank is heated.
The quantity of heat storage monitoring close-loop control mode also includes the control mode of solar energy circulation loop, as shown in figure 4, should Solar energy circulation loop control mode is:When the startup temperature difference that the water temperature > of solar heater water temperature S4- heat storage cans is set, Control system opens solar energy circulation loop by the first control module;When the water of the water temperature S4- heat storage cans of solar heater When the startup temperature difference of warm < settings or the water temperature of heat storage can reach the temperature of setting, solar energy circulation loop is out of service.This reality Apply in example, the startup temperature difference set is 10 DEG C.
The quantity of heat storage monitoring close-loop control mode includes the control mode of central hot water circulation loop, as shown in figure 5, should The control mode of central hot water circulation loop is:Water temperature on thermostatic tank water temperature > design temperatures and central hot water circulation loop During < start-up temperatures, control system opens the second pipe pump P2 on central hot water circulation loop by the second control module;When During water temperature >=closing target temperature or thermostatic tank water temperature≤certain temperature on central hot water circulation loop or second pipe pump P2 When continuously running more than setting time, central hot water circulation loop is closed.
A kind of solar gas compound energy hot-water heating system that the present embodiment provides, is individually entered using solar energy to heat storage can Row heating, size fraction of solar energy designed by of heat storage can is selected, as long as system has water demand, solar energy Just there is heat output, ensure that the Effec-tive Function of solar energy.Simultaneously as there is constant-temperature hot water, when useful water needs in thermostatic tank When asking, cold water is flowed into by solar energy heat-storage tank bottom, and the hot water in solar energy heat-storage tank enters thermostatic tank by triple valve, and controls System processed detects water Gentle water-carrying capacity size by sensor, the automatic unlatching for judging the pipeline pump of water pump first and triple valve, Close, so as to ensure that system possesses larger defeated heat energy power at any time.Further, since cold water is all that to first pass through solar energy heat-storage tank pre- Heat enters back into thermostatic tank or gas heater, can realize and just can reach continuous big stream with the output of less gas heater heat Measure the effect of constant temperature water supply.
Embodiment two
As shown in fig. 6, a kind of solar gas compound energy hot-water heating system, including:Solar heater 1, gas and hot water Device 2, central hot water circulation loop 3, the thermostatic tank 4 being joined directly together with central hot water circulation loop 3, with the shape of solar heater 1 Into the heat storage can 5 of solar energy circulation loop, and control system.
A kind of the solar gas compound energy hot-water heating system and embodiment one that the present embodiment provides are basically identical, and difference is only It is:The thermostatic tank 4 is superimposed upon on heat storage can 5, and mounting structure is compact, occupies little space.
The essence of the present invention is described in detail above embodiment, but can not be come with this to the present invention's Protection domain is limited.In every case the simple modifications and modification done according to the essence of the present invention all fall the protection domain of this patent Within.In addition, in the present invention, described first, second, third, only for the relative definition that description is convenient and does, is not used to The particular location of each part is defined.

Claims (6)

1. a kind of solar gas compound energy hot-water heating system, including:Solar heater, gas heater, water pot, center heat Water-flow circuit and control system;Characterized in that, the water pot includes:The perseverance being joined directly together with central hot water circulation loop Warm tank, the heat storage can of solar energy circulation loop is formed with solar heater;The connected mode of the thermostatic tank and heat storage can is: The water inlet of the first delivery port connection gas heater of thermostatic tank upper end, the first water inlet connection combustion gas of the thermostatic tank upper end The delivery port of water heater, form heat cycles loop;The delivery port of the heat storage can connects thermostatic tank lower end by triple valve The water inlet of second water inlet and gas heater;
The first temperature sensor being connected with control system is provided with the thermostatic tank, is provided with the heat storage can and control system The second temperature sensor of connection;
Using quantity of heat storage monitoring close-loop control mode during work, i.e. control system is detected by first sensor, second sensor The temperature arrived, the instantaneous quantity of heat storage of energy hot-water heating system is calculated, when user is subscribed in a certain period by preengaging module During water consumption, before the period reaches, control system instantaneous quantity of heat storage more than determines whether to meet user's request automatically;Such as Not enough, control system starts heat cycles loop by heating module to thermostatic tank progress heat supplement immediately.
2. solar gas compound energy hot-water heating system according to claim 1, it is characterised in that the heat cycles are returned Road is provided with the first pipeline pump being connected with control system;First pipeline pump is positioned at the connection delivery port of thermostatic tank first and combustion gas On the pipeline of water feeding of heater mouth.
3. solar gas compound energy hot-water heating system according to claim 1, it is characterised in that the central hot water follows Loop system is provided with the second pipe pump being connected with control system.
4. solar gas compound energy hot-water heating system according to claim 1, its feature are being, the heat cycles The control mode in loop is:With under water state, flow one is set when thermostatic tank water temperature≤startup target temperature, and with water-carrying capacity < When, start the first pipeline pump, open gas heater and thermostatic tank is heated;When thermostatic tank water temperature≤startup target temperature and use water Flow > settings flow for the moment, closes the first pipeline pump, control system switches over to triple valve, and the water in heat storage can is through threeway Valve is directly entered gas heater, starts gas heater and thermostatic tank is heated;When thermostatic tank water temperature > closes target temperature, Gas heater does not start or stop startup.
5. solar gas compound energy hot-water heating system according to claim 1, its feature are being, the quantity of heat storage prison Control close-loop control mode includes the control mode of solar energy circulation loop, and the solar energy circulation loop control mode is:Work as the sun During the temperature difference of the water temperature > settings of water temperature-heat storage can of energy heater, control system passes through the first control module and opens solar energy Circulation loop;When the startup temperature difference of water temperature < settings or the water temperature of heat storage can of water temperature-heat storage can of solar heater reach During the temperature of setting, solar energy circulation loop is out of service.
6. solar gas compound energy hot-water heating system according to claim 1, its feature are being, the quantity of heat storage prison Control close-loop control mode includes the control mode of central hot water circulation loop, and the control mode of the central hot water circulation loop is: When the water temperature < start-up temperatures on thermostatic tank water temperature > design temperatures and central hot water circulation loop, control system passes through second Control module opens the second pipe pump on central hot water circulation loop;When the water temperature in central hot water circulation loop >=closing mesh When mark temperature or thermostatic tank water temperature≤certain temperature or when second pipe pump continuously runs more than setting time, central hot water is closed Circulation loop.
CN201210481320.4A 2012-11-23 2012-11-23 A kind of solar gas compound energy hot-water heating system Active CN103836715B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105650855B (en) * 2016-03-26 2019-06-07 广东万家乐燃气具有限公司 A kind of gas heater and its control method with reservation function
CN106766221B (en) * 2016-12-21 2019-06-07 杭州联络互动信息科技股份有限公司 Cooperate the control method and its device of supplying hot water

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Publication number Priority date Publication date Assignee Title
CN2740949Y (en) * 2004-08-27 2005-11-16 李华 Central water heater with multiple heat sources
KR20080097335A (en) * 2007-05-01 2008-11-05 용 복 차 Heating system
CN201285100Y (en) * 2008-10-14 2009-08-05 上海申通轨道交通研究咨询有限公司 Gas-fired boiler assisted solar water heating and warming apparatus for rail traffic vehicle base
CN201779759U (en) * 2010-03-23 2011-03-30 上海博阳新能源科技有限公司 Multifunctional solar energy and gas combined stove
CN202002213U (en) * 2011-01-10 2011-10-05 日出东方太阳能股份有限公司 Hot water system combining solar energy and fuel gas
CN202947301U (en) * 2012-11-23 2013-05-22 广东万家乐燃气具有限公司 Solar energy gas composite energy source hot water system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2740949Y (en) * 2004-08-27 2005-11-16 李华 Central water heater with multiple heat sources
KR20080097335A (en) * 2007-05-01 2008-11-05 용 복 차 Heating system
CN201285100Y (en) * 2008-10-14 2009-08-05 上海申通轨道交通研究咨询有限公司 Gas-fired boiler assisted solar water heating and warming apparatus for rail traffic vehicle base
CN201779759U (en) * 2010-03-23 2011-03-30 上海博阳新能源科技有限公司 Multifunctional solar energy and gas combined stove
CN202002213U (en) * 2011-01-10 2011-10-05 日出东方太阳能股份有限公司 Hot water system combining solar energy and fuel gas
CN202947301U (en) * 2012-11-23 2013-05-22 广东万家乐燃气具有限公司 Solar energy gas composite energy source hot water system

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