CN107490198A - A kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler - Google Patents
A kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler Download PDFInfo
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- CN107490198A CN107490198A CN201710636795.9A CN201710636795A CN107490198A CN 107490198 A CN107490198 A CN 107490198A CN 201710636795 A CN201710636795 A CN 201710636795A CN 107490198 A CN107490198 A CN 107490198A
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- heat
- heat pump
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- hot water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler, its technical characterstic is：Heat pump power is designed, to meet to utilize the electrically independent 24 hours heat capacities of low ebb；Calculate solar thermal collector day amount of stored heat；Hot water storage tank volume is designed to store solar heat-preservation amount to greatest extent；According to the temperature in above-mentioned model and parameter monitoring hot water storage tank, the start and stop to solar thermal collector and heat pump are controlled control system, and are controlled according to heat release of the end radiating requirements to hot water storage tank.The present invention gives full play to the advantages of solar energy and heat pump, carries out Optimal Load configuration to heat pump and solar thermal collector and operational mode controls, it possesses the ability and solar thermal collector of the lasting heat supply of low energy consumption using heat pump, it is ensured that the reliability and economy of heating.
Description
Technical field
The invention belongs to boiler technology field, especially a kind of energy control based on solar energy, heat pump complementation heat storage boiler
System strategy.
Background technology
Along with China's economic transition, energy revolution increasingly becomes a groundwork direction of country.In face of current
Increasingly serious atmosphere polluting problem, country have put into effect a series of policies and have carried out iron hand improvement, carry forward vigorously northern area winter
Cleaning heating, builds Jing-jin-ji region " Wu Meiqu ", realizes green and the sustainable development of the energy, and this turns into energy resource supply and consumption is removed from office
The important content of life.Using heat pump techniques can realize heat energy change, air source heat pump have benefited from it occupy little space, structure letter
The characteristics of single, a variety of application places such as newly-built, transformation are adapted to, can be abundant not by such environmental effects such as region, temperature
Using the clear area such as vacant lot, roof installation system main frame, difficulty of construction is small, and still, it has the problem of operating cost is too high.
Solar thermal energy technology is also widely applied at present, and solar water heating system is to utilize solar thermal collector, collects sun spoke
Penetrate a kind of device that water can be heated, most economic value, technology be most ripe and a technology having been commercialized, but solar energy
Weather conditions are limited by, simple solar-heating frequently results in heating load deficiency.Existing solar energy coordinates the auxiliary hot heat supply of electricity
Equipment designs unreasonable, the reasons such as control method is improper due to machine utilization, it is impossible to solar energy is made full use of to greatest extent, it is difficult
To realize energy optimal utilization.
The content of the invention
It is overcome the deficiencies in the prior art the mesh of the present invention, proposes a kind of reasonable in design, saving energy and reliability
The high energy control strategy based on solar energy, heat pump complementation heat storage boiler.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler, comprises the following steps：
Step 1, design heat pump power, to meet to utilize the electrically independent 24 hours heat capacities of low ebb；
Step 2, calculate solar thermal collector day amount of stored heat；
Step 3, hot water storage tank volume is designed to store solar heat-preservation amount to greatest extent；
Step 4, control system according to the temperature in above-mentioned model and parameter monitoring hot water storage tank, to solar thermal collector and
The start and stop of heat pump are controlled, and are controlled according to heat release of the end radiating requirements to hot water storage tank.
The step 1 calculates heat pump capacity using such as drag：
P=K × F × q/COP
In formula, P is heat pump power, and K is accumulation of heat heat loss factor, typically takes 1.10-1.15；F is heating area, and q is to build
Per day thermal load parameter is built, COP is Energy Efficiency Ratio, represents the ratio of heat pump heat dissipation capacity and power consumption.
The step 2 calculates solar thermal collector day amount of stored heat using such as drag：
Q=J × n1×(1-n2)S/f
In formula：Q be solar thermal collector day amount of stored heat, J be local heat collector inclined plane on average daily solar irradiation, n1Then
For the average collecting efficiency of heat collector, n2It is then pipeline and regenerative apparatus heat loss rate, S is solar energy heating area, and f is solar energy
Fraction.
The step 3 uses following modelling hot water storage tank volume：
V=3.6Q/ (C × p × △ t)
In formula：V is hot water storage tank volume, and C is the specific heat capacity of water, and p is the density of water, and △ t are the accumulation of heat temperature difference.
The advantages and positive effects of the present invention are：
The present invention gives full play to the advantages of solar energy and heat pump, and Optimal Load configuration is carried out to heat pump and solar thermal collector
Controlled with operational mode, realize energy optimal utilization.It makes full use of live room according to economy, feature of environmental protection maximization principle
Top and idle space area, solar thermal collector is all installed so that hot water storage tank stores solar heat-preservation amount to greatest extent, and
Possesses the ability of the lasting heat supply of low energy consumption using heat pump, it is ensured that the reliability and economy of heating.
Brief description of the drawings
Fig. 1 is the control strategy schematic diagram of the present invention；
Fig. 2 is the solar energy of the present invention, heat pump complementation heat storage boiler connection diagram.
Embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing.
A kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler is in the solar energy shown in Fig. 2, heat pump
Realized on complementary heat storage boiler.The solar energy, heat pump complementation heat storage boiler include control system and solar thermal collector, heat
Pump, hot water storage tank and end radiator, are connected between solar thermal collector and heat pump and hot water storage tank by rise thermal insulation delivery pipe,
Hot water storage tank is connected with end radiator by rise thermal insulation delivery pipe road, control system and solar thermal collector, heat pump, accumulation of heat water
Case, which is connected, realizes the control function of Optimal Load configuration and operational mode.Control system passage time section is set, monitoring water tank
Start and stop of the temperature to solar thermal collector and heat pump are controlled, and are carried out according to heat release of the end radiating requirements to hot water storage tank
Control.Solar thermal collector and heat pump carry out accumulation of heat according to control system order to hot water storage tank.
A kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler, comprises the following steps：
Step 1, design heat pump power, to meet to utilize the electrically independent 24 hours heat capacities of low ebb：
Because solar energy is limited by weather conditions, larger uncertainty be present, to ensure heat reliability and economy,
Heat pump should possess the ability using the electrically independent heat supply in 24 hours of low ebb.Heat pump power designs：
P=K × F × q/COP
In formula, P is heat pump power, unit W；K is accumulation of heat heat loss factor, typically takes 1.10-1.15；F is heating face
Product, unit ㎡；Q is to build per day thermal load parameter, unit W/m；COP is Energy Efficiency Ratio, represents heat pump heat dissipation capacity and consumption
The ratio of electricity.
Step 2, calculate solar thermal collector day amount of stored heat.
According to economy, feature of environmental protection maximization principle, live roof and idle space area is made full use of, is all installed too
Positive energy heat collector.Solar thermal collector day amount of stored heat：
Q=J × n1×(1-n2)S/f
In formula：Q be solar thermal collector day amount of stored heat, unit MJ；J is average daily sun spoke in local heat collector inclined plane
According to amount, unit is MJ/ (㎡ d)；n1It is then the average collecting efficiency of heat collector, unit %；n2It is then pipeline and regenerative apparatus heat
Loss late, unit %；S is solar energy heating area, unit ㎡；F is solar insuring rate, unit %.
Step 3, hot water storage tank volume is designed to store solar heat-preservation amount to greatest extent.
Hot water storage tank should store solar heat-preservation amount to greatest extent, while ensure the reliability that heats, when meeting non-trough-electricity
Between section the mount of using heat.Hot water storage tank volume designs：
V=3.6Q/ (C × p × △ t)
In formula：V is hot water storage tank volume, unit m3；C is the specific heat capacity of water, and unit is kj/kg DEG C；P is the close of water
Degree, unit kg/m3；△ t are the accumulation of heat temperature difference.
Step 4, control system are opened solar thermal collector and heat pump according to above-mentioned model and parameter monitoring hot water storage tank
Stop being controlled, and be controlled according to heat release of the end radiating requirements to hot water storage tank.Specific method is as shown in Figure 1：
When solar thermal collector water temperature is more than 90 DEG C, control system control solar thermal collector stops accumulation of heat, works as the sun
When energy heat collector water temperature water temperature is less than 90 DEG C, control system control solar thermal collector continues accumulation of heat.When hot water storage tank water temperature surpasses
When crossing 35 DEG C, control system control heat pump is stopped, and when hot water storage tank water temperature is less than 35 DEG C, control system control heat pump is opened
Open.
It is emphasized that embodiment of the present invention is illustrative, rather than it is limited, therefore present invention bag
Include and be not limited to embodiment described in embodiment, it is every by those skilled in the art's technique according to the invention scheme
The other embodiment drawn, also belongs to the scope of protection of the invention.
Claims (4)
1. a kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler, it is characterised in that comprise the following steps：
Step 1, design heat pump power, to meet to utilize the electrically independent 24 hours heat capacities of low ebb；
Step 2, calculate solar thermal collector day amount of stored heat；
Step 3, hot water storage tank volume is designed to store solar heat-preservation amount to greatest extent；
Step 4, control system are according to the temperature in above-mentioned model and parameter monitoring hot water storage tank, to solar thermal collector and heat pump
Start and stop be controlled, and be controlled according to heat release of the end radiating requirements to hot water storage tank.
2. a kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler according to claim 1, its feature
It is：The step 1 calculates heat pump capacity using such as drag：
P=K × F × q/COP
In formula, P is heat pump power, and K is accumulation of heat heat loss factor, typically takes 1.10-1.15；F is heating area, and q is building day
Mean heat flux index, COP are Energy Efficiency Ratio, represent the ratio of heat pump heat dissipation capacity and power consumption.
3. a kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler according to claim 1, its feature
It is：The step 2 calculates solar thermal collector day amount of stored heat using such as drag：
Q=J × n1×(1-n2)S/f
In formula：Q be solar thermal collector day amount of stored heat, J be local heat collector inclined plane on average daily solar irradiation, n1It is then collection
The average collecting efficiency of hot device, n2It is then pipeline and regenerative apparatus heat loss rate, S is solar energy heating area, and f can guarantee that for the sun
Rate.
4. a kind of energy control strategy based on solar energy, heat pump complementation heat storage boiler according to claim 1, its feature
It is：The step 3 uses following modelling hot water storage tank volume：
V=3.6Q/ (C × p × △ t)
In formula：V is hot water storage tank volume, and C is the specific heat capacity of water, and p is the density of water, and △ t are the accumulation of heat temperature difference.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502868A (en) * | 2018-12-17 | 2019-03-22 | 合肥工业大学 | A kind of control method of Trinity structure sewage treatment |
| CN112503616A (en) * | 2020-11-16 | 2021-03-16 | 国网（天津）综合能源服务有限公司 | Multi-energy complementary heat storage system and control method thereof |
| CN112781258A (en) * | 2020-01-20 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Solar heat collection system control method and solar heat collection system |
| CN116659128A (en) * | 2023-07-03 | 2023-08-29 | 广州宝能能源管理股份有限公司 | Energy-saving control method and system for solar energy combined heat pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502868A (en) * | 2018-12-17 | 2019-03-22 | 合肥工业大学 | A kind of control method of Trinity structure sewage treatment |
| CN109502868B (en) * | 2018-12-17 | 2021-07-02 | 合肥工业大学 | Control method for sewage treatment with three-in-one structure |
| CN112781258A (en) * | 2020-01-20 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Solar heat collection system control method and solar heat collection system |
| CN112781258B (en) * | 2020-01-20 | 2023-04-18 | 青岛海尔新能源电器有限公司 | Solar heat collection system control method and solar heat collection system |
| CN112503616A (en) * | 2020-11-16 | 2021-03-16 | 国网（天津）综合能源服务有限公司 | Multi-energy complementary heat storage system and control method thereof |
| CN116659128A (en) * | 2023-07-03 | 2023-08-29 | 广州宝能能源管理股份有限公司 | Energy-saving control method and system for solar energy combined heat pump |
| CN116659128B (en) * | 2023-07-03 | 2023-12-01 | 广州宝能能源管理股份有限公司 | Energy-saving control method and system for solar energy combined heat pump |
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Application publication date: 20171219 |
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