CN107367078A - A kind of solar heat-preservation system using bypass conduit intelligent control - Google Patents
A kind of solar heat-preservation system using bypass conduit intelligent control Download PDFInfo
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- CN107367078A CN107367078A CN201710540468.3A CN201710540468A CN107367078A CN 107367078 A CN107367078 A CN 107367078A CN 201710540468 A CN201710540468 A CN 201710540468A CN 107367078 A CN107367078 A CN 107367078A
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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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
- Y02E10/44—Heat exchange systems
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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 invention provides a kind of solar heat-preservation system using bypass conduit intelligent control, the system includes heat collector, storage heater, storage heater pipe valve and storage heater line temperature sensor are set on storage heater pipeline, bypass line valve and bypass line temperature sensor are set on bypass line；Central controller automatically controls storage heater pipe valve, bypass line valve, the closing for exporting tube valve according to the temperature in the temperature of the accumulator inlet pipe of detection, water tank and the temperature of bypass line.The present invention controls multiple valves by the temperature in the temperature of accumulator inlet pipe, water tank and the temperature of bypass line, so as to realize accumulation of heat intelligent control.
Description
Technical field
The invention belongs to field of solar energy, more particularly to a kind of solar heat-preservation system.
Background technology
With the rapid development of modern social economy, the mankind are increasing to the demand of the energy.But coal, oil, day
The traditional energy storage levels such as right gas constantly reduce, are increasingly in short supply, cause rising steadily for price, while conventional fossil fuel causes
Problem of environmental pollution it is also further serious, these all limit the development of society and the raising of human life quality significantly.The energy
Problem has become most one of distinct issues of contemporary world.Thus seek the new energy, particularly free of contamination cleaning energy
Source has turned into the focus of present people research.
Solar energy is a kind of inexhaustible clean energy resource, and stock number is huge, and earth surface is received every year
Solar radiant energy total amount be 1 × 1018KWh, more than 10,000 times that gross energy is consumed for world's year.Arrived yet with solar radiation
It is small up to tellurian energy density（About one kilowatt every square metre）, and be discontinuous again, this is to large-scale utilization
Bring certain difficulty.Therefore, in order to utilize solar energy extensively, not only to solve technical problem, and it is economically necessary
Can mutually it be competed with conventional energy resource.
The automaticity of solar heat-preservation is not high at present, although prior art is also carried out to the intelligent control of solar energy
Research, but the Intelligent Control Research for solar heat-preservation is not a lot, in view of the above-mentioned problems, the invention provides a kind of new
Intelligent control solar heat-preservation system, so as to the intelligent control during Solar use.
The content of the invention
The invention provides a kind of new solar heat-preservation system, so as to solve the technical problem above occurred.
To achieve these goals, technical scheme is as follows：
A kind of solar heat-preservation system, the system include heat collector, storage heater, and the heat collector includes thermal-collecting tube and water tank,
The thermal-collecting tube includes heat absorbing end and release end of heat, and the release end of heat is arranged in water tank；The storage heater is arranged on storage heater pipe
Lu Shang, the water tank connect to form circulation loop with storage heater, thermal-collecting tube absorption solar energy, the water in heating water tank, after heating
Water storage heater is entered by vessel outlet, by heat storage in the heat-storing material of storage heater；On the storage heater pipeline
Storage heater pipe valve and storage heater line temperature sensor are set, be respectively used to the water that control enters in storage heater flow and
The temperature for the water that detection enters in storage heater, the system also set up storage heater pipeline bypass line in parallel, the bypass pipe
Bypass line valve and bypass line temperature sensor are set on road, are respectively used to control the flow of water and detection on bypass line
The temperature of bypass line water, temperature sensor is set in the storage heater, for detecting the temperature of heat-storing material；In the water tank
Temperature sensor is set, for detecting the water temperature in water tank, outlet tube valve is set on vessel outlet；Described storage heater pipe
Road valve, bypass line valve, outlet tube valve and storage heater line temperature sensor, bypass line temperature sensor and storage
The temperature sensor in temperature sensor, water tank in hot device carries out data with central controller and is connected；Described center control
Device automatically controls storage heater according to the temperature in the temperature of the accumulator inlet pipe of detection, water tank and the temperature of bypass line
Pipe valve, bypass line valve, the closing for exporting tube valve.
Preferably, if the temperature of the accumulator inlet pipe of central controller detection is less than the heat-storing material of storage heater
Temperature, then central controller close automatically storage heater pipe valve and outlet tube valve, open bypass line valve；In water tank
Water continues through solar energy heating, and when the water temperature in water tank exceedes heat-storing material temperature certain numerical value, outlet tube valve is opened,
Water is flowed through by bypass line, if the water temperature of bypass line temperature sensor detection exceedes the certain number of degrees of heat-storing material temperature,
Then bypass line valve is closed, and storage heater pipe valve is opened, so that water, which enters in storage heater, carries out accumulation of heat.
If preferably, bypass line temperature sensor detection water temperature exceed 5 degrees Celsius of heat-storing material temperature, by
Logical pipe valve is closed, and storage heater pipe valve is opened, so that water, which enters in storage heater, carries out accumulation of heat.
Preferably, described outlet tube valve is arranged on vessel outlet close to the position of water tank.
Preferably, setting multiple temperature sensors in described water tank, water is measured by multiple temperature sensors
Temperature.
Preferably, central controller controls accumulation of heat by the average value of the temperature of the water of multiple temperature sensor measurements
Device pipe valve, bypass line valve, the opening and closing for exporting tube valve.
Preferably, central controller controls accumulation of heat by the minimum of the temperature of the water of multiple temperature sensor measurements
Device pipe valve, bypass line valve, the opening and closing for exporting tube valve.
Preferably, at least one temperature sensor is arranged in water tank close to the position of tank entry pipe.
Preferably, the thermal-collecting tube includes flat tube and fin, the flat tube includes tube wall parallel to each other and side
Wall, the side wall connects the end of parallel tube wall, fluid passage is formed between the side wall and the parallel tube wall, described
Thermal-collecting tube release end of heat includes fin, and the fin is arranged between tube wall, and the fin includes the sloping portion for favouring tube wall,
Described sloping portion connects with parallel tube wall, and fluid passage is spaced apart to form multiple passage aisles by the sloping portion,
Adjacent sloping portion connects on tube wall, triangle between the adjacent sloping portion and tube wall；In rake
Divide upper setting intercommunicating pore, so that adjacent passage aisle communicates with each other；Intercommunicating pore is isosceles triangle, the adjacent rake
Point and tube wall between the triangle that forms be isosceles triangle.
Preferably, the drift angle of the isosceles triangle of intercommunicating pore is B, formed between adjacent sloping portion and tube wall
The drift angle of isosceles triangle is A, then meets equation below：
Sin(B)=a+b*sin(A/2) -c* sin(A/2)2；
Wherein a, b, c are parameters, wherein 0.559< a <0.565,1.645<b<1.753,1.778<c<1.883;
60°<A<160°；35°<B<90°.
Compared with prior art, solar heat-preservation system of the invention has the following advantages：
1）The present invention, by the opening and closing of control valve, so as to ensure intelligent accumulation of heat, ensure that heat by the regenerator temperature of detection
Amount makes full use of.
2）The present invention is by monitoring the inflow temperature of heat utilization device and the temperature of heat-storing material, so as to by controlling flow
Ensure that the water temperature of heat utilization device is constant.
3）The present invention have studied new collector structure, and by largely testing, it is determined that optimal flat thermal-arrest
The physical dimension of pipe, so that in the case of ensureing heat exchange resistance so that heat transfer effect reaches optimal.
Brief description of the drawings
Fig. 1 is solar energy collector system control structure schematic diagram；
Fig. 2 is solar thermal collector cross section structure schematic diagram of the present invention；
Fig. 3 is thermal-collecting tube cross-sectional structure schematic diagram of the present invention；
Fig. 4 is the structural representation that one thermal-collecting tube inner rib plate of the present invention sets the cross section at lead to the hole site；
Fig. 5 is the schematic diagram that the present invention sets through-hole structure sloping portion plane；
Fig. 6 is another schematic diagram that the present invention sets through-hole structure sloping portion plane；
Fig. 7 is the triangle through hole structural representation of the present invention；
Fig. 8 is the cross-sectional view of thermal-collecting tube heat absorbing part of the present invention；
Fig. 9 is the cross-sectional view of currently preferred thermal-collecting tube heat absorbing part；
Figure 10 Fig. 1 improves schematic diagram；
Figure 11 storage heater structural representations.
Reference is as follows：
1 thermal-collecting tube, 2 fluid passages, 3 tube walls, 4 sloping portions, 5 summits, 6 intercommunicating pores, 7 fins, 8 water tanks, 9 heat absorbing ends, 10 put
Hot junction, 11 bottom plates, 12 absorption films, 13 glass plates, 14 thermal insulation layers, 15 inner rib plates, 16 storage heaters, 17 vessel outlets, 18 water tanks
Inlet tube, 19 outlet pipe temp sensors, 20 outlet tube valves, 21 bypass line temperature sensors, 22 bypass line valves, 23
Entrance tube valve, 24 storage heater pipe valves, 25 storage heater line temperature sensors, 26 central controllers, 27 accumulator inlets
Pipe, 28 heat-storing materials, 29 heat utilization pipe valves, 30 heat utilization devices.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, it is related to formula, "/" represents division, and "×", " * " represent multiplication.
A kind of solar thermal collection system, as shown in Figure 1-2, the system include heat collector, storage heater 16, the thermal-arrest
Device includes thermal-collecting tube 1 and water tank 8, and the thermal-collecting tube 1 includes heat absorbing end 9 and release end of heat 10, and the release end of heat 10 is arranged on water tank 8
In.Heat absorbing end 9 absorbs solar energy, the water transferred heat to by release end of heat 10 in water tank.The water tank 8 connects with storage heater 16
Logical to form circulation loop, thermal-collecting tube 1 absorbs solar energy, and the water in heating water tank 8, the water after heating is entered by vessel outlet 17
Enter storage heater 16, exchanged heat in storage heater 16, by heat storage in the heat-storing material of storage heater 16, in storage heater 16
The water of outflow enters in water tank 8 in tank entry pipe 18 to be heated.
The solar thermal collector also includes transparency glass plate 13, thermal insulation layer 14, absorption film 12.Absorption film 12 is arranged on collection
Above the heat absorbing end 9 of heat pipe 1（I.e. towards the one side of the sun）, transparency glass plate 13 is covered in the front of the heat absorbing end 9 of thermal-collecting tube,
Thermal insulation layer 17 is left between heat absorbing end 9 and transparency glass plate 16, preferably, thermal insulation layer is vacuum layer.As preferably clear glass
Glass plate 16 uses safety glass, thermal insulation layer as vacuum layer；Preferably, absorption film 12 is arranged on heat pipe 1 by way of sputtering
The front of heat absorbing end 9.
Bottom plate 11 is arranged on the bottom of thermal-collecting tube 1, and the bottom plate is insulation material.
Preferably, the thickness of thermal insulation layer 17 is 18mm~25mm；As preferably 20 mm.
As shown in figure 3, in release end of heat 10, the thermal-collecting tube includes flat tube 1 and fin 7, and the flat tube 1 includes mutual
Parallel tube wall 3 and side wall 12, the side wall 12 connect the end of parallel tube wall 2, the side wall 12 and the parallel pipe
Fluid passage 2 is formed between wall 3, the fin 7 is arranged between tube wall 3, and the fin 7 includes the rake for favouring tube wall
Points 4, described sloping portion 4 connects with parallel tube wall 3, the sloping portion 4 fluid passage 2 is spaced apart to be formed it is multiple
Passage aisle 10, adjacent sloping portion 4 are connected on tube wall, and triangle is formed between the adjacent sloping portion 4 and tube wall 3
Shape；Intercommunicating pore 6 is set on sloping portion 4, so that adjacent passage aisle 10 communicates with each other.
By setting intercommunicating pore 6, ensure the connection between adjacent passage aisle 10, so that in the big passage aisle of pressure
Fluid can be flowed into the small passage aisle of neighbouring pressure, solve flat tube heat exchange in the case of internal pressure it is uneven
And local pressure it is excessive the problem of, so as to promote abundant flowing of the fluid in heat exchanger channels, improve heat exchange efficiency, together
When also improve the service life of thermal-collecting tube.
Preferably, the centre of the tube wall 3 along flat tube cross section（The centre of tube wall 3 i.e. in Fig. 3 cross-sectional views
Position）To the direction of both sides side wall 12, the described area of through hole 6 on different sloping portions 4 constantly diminishes.Wherein, positioned at flat
The centre position of tube wall 3 in the centre position of flat pipe 1, i.e. Fig. 2 cross-sectional views, the area of through hole 6 are maximum.Main cause is
It is found through experiments that, because fluid distribution is uneven, intermediate pressure is maximum, is gradually reduced from centre to pressure at both sides.Therefore it is logical
The distribution of hole area so that the fluid at middle part flows to both sides as far as possible, reduces the flow resistance at middle part, while in order to avoid opening
The excessive reduction for causing heat exchange area of hole area so that perforated area is changed according to pressure, while resistance is reduced,
Further improve heat exchange efficiency.
It is described logical on different sloping portions 4 preferably, along the centre of flat tube cross section to the direction of side wall 12
The amplitude that the area of hole 6 constantly diminishes is increasing.By being arranged such, and meet the changing rule of flowing pressure, enter one
While step reduces flow resistance, heat exchange efficiency is improved.
Preferably, the intercommunicating pore 6 is shaped as isosceles triangle, the midpoint to top on the base of the isosceles triangle
The direction at angle is identical with the flow direction of fluid.That is, the drift angle direction of isosceles triangle is fluid flow direction.Pass through
Experiment is found, drift angle direction is arranged to be consistent with flow direction, can improve heat exchange efficiency, while reduces flowing resistance
Power.By being arranged such, 10% or so heat exchange efficiency can be improved, while reduce by 9% or so resistance.
Preferably, triangle between described adjacent sloping portion and tube wall is isosceles triangle, after
Referred to as the second isosceles triangle.By being set to isosceles triangle, it is ensured that flow of fluid is uniform, improves heat transfer effect.
Preferably, the sloping portion summit 5 is plane, the summit 5 of two adjacent sloping portions 4 is connected,
The summit 5 is connected with tube wall 3.Because it is plane to set fixed point 5, hence in so that sloping portion 4 and tube wall contact area are big, from
And cause the more fully preferably contact of tube wall and sloping portion.So that installation is more prone to, avoid sliding.
Preferably, in triangle between adjacent sloping portion 4 and tube wall, the relative interior table of sloping portion 4
The tie point in face forms vertex of a triangle, and the vertex of a triangle is located on tube wall.
As shown in fig. 7, the drift angle of the isosceles triangle is B, such as Fig. 5, it is same along the flow direction of fluid shown in 6
Individual sloping portion 4 sets multiple rows of triangle through hole 6.As shown in fig. 6, more exhausting holes 6 are shifted structure.
Find in an experiment, the area of through hole can not be excessive, and the loss of heat exchange area can be caused if excessive, reduces heat exchange
Efficiency, if too small, local pressure is caused to distribute still uneven, similarly, the distance of adjacent tube wall 3 can not be excessive, crosses conference
Cause the reduction of heat exchange efficiency, it is too small that flow resistance can be caused excessive.According to experiment find, the drift angle of the first isosceles triangle and
The drift angle of second isosceles triangle is the change of certain rule, such as the change of the second isosceles triangle drift angle is greatly, so as to cause to exchange heat
The passage aisle area increase of passage, corresponding flow resistance diminishes, therefore now the circulation area of the second isosceles triangle will
Diminish, can so reduce the area of through hole 6, while in the case of ensureing flow resistance, improve heat exchange efficiency.Therefore first etc.
Following relation be present between lumbar triangle shape and the second isosceles triangle drift angle：
The drift angle of first isosceles triangle is B, and the drift angle of the second isosceles triangle is A, then meets equation below：
Sin(B)=a+b*sin(A/2) -c* sin(A/2)2；
Wherein a, b, c are parameters, wherein 0.559< a <0.565,1.645<b<1.753,1.778<c<1.883;
60°<A<160°；35°<B<90°.
Preferably, a=0.5631, b=1.6948, c=1.8432;
80°<A<120°；50°<B<60°；
Pass through above-mentioned formula, it may be determined that the best relation between the first isosceles triangle and the second isosceles triangle drift angle,
It can ensure in the case where meeting flow resistance under relation herein, reach optimal heat exchange efficiency.
Preferably, H=7-18mm.It is further used as preferably, 10<H<11mm.
Preferably, the length on the first isosceles triangle base is h, meet equation below：
0.28<d*（h/H）<0.36；Wherein d is parameter, 0.7<d<2.0；
H is with the distance between relative face of adjacent tube wall.
Preferably, 1.0<d<1.4.
Preferably, with the increase that drift angle is A, described d diminishes.
Preferably, with H increase, described d diminishes.
The width of tube wall is W, preferably 7.4>W/H>4.6, further preferably, 6.8>W/H>5.6.
By above-mentioned optimization design, the heat exchange property of thermal-collecting tube can be further improved, while reduce flow resistance.
In the case of the drift angle A that sloping portion is formed is different, such as along the middle part of tube wall to the sidewall direction of both sides,
The less and less situation of included angle A that described adjacent sloping portion is formed, the A in formula above take sloping portion adjacent
The average value of two drift angles calculate.
The present invention is the thousands of secondary numerical simulations and test data by multiple various sizes of thermal-collecting tubes, is meeting work
Industry is required in the case of pressure-bearing（Below 10MPa）, in the case where realizing maximum heat exchange amount, the optimal flat tube wall that sums up
Dimensionally-optimised relation.
Preferably, the base of the adjacent isosceles triangle through hole of described same row is all on one wire, same row
Adjacent through hole distance is S1, the 2.9 × h<S1<3.3 × h, wherein S1 are with the bottom of two neighboring isosceles triangle through hole
The distance at the midpoint on side.Preferably 3.2 × h=S1.
Preferably, the base of the isosceles triangle of the through hole of adjacent row is parallel to each other, the summit of isosceles triangle is on earth
The distance at side midpoint is L, and the distance S2 of adjacent row is 3.8*L<S2<4.8*L.Preferably S2=4.4*L
During the base difference of the isosceles triangle of adjacent row, the weighted average on two bases are taken to calculate.
Preferably, the angle of the isosceles triangle of same row is identical with base.I.e. shape is identical, is equal
Shape.
For formula above, for the different through hole of front and rear row size, also still it is applicable.
Preferably, the wall thickness of fin is 0.5-0.9mm；Preferably, 0.6-0.7mm.
For the specific dimensional parameters do not mentioned, it is designed according to normal heat exchanger.
The fin 7 is positioned only at release end of heat 10.
Preferably, such as Fig. 8, shown in 9, inner rib plate 15 is set on the inwall of heat absorbing end 9 of thermal-collecting tube 1.
Preferably, the inner rib plate 15 is straight panel shape, the flowing of the bearing of trend of inner rib plate 15 along fluid evaporator
Direction, i.e., along heat absorbing end 9 to heat release extreme direction, in other words along the axial movement of thermal-collecting tube heat absorbing end 9.By so setting
Put so that the fluid space formed between inner rib plate and the flow direction of fluid are consistent, so as to reduce flow resistance, simultaneously
Also heat absorption is strengthened in increase.
Preferably, constantly increase along heat absorbing end 9 to heat release extreme direction, the height of inner rib plate 15, highly increased width
Spend increasing.By increasing the height of inner rib plate 15, so as to increase the heat exchange area of inner rib plate 15.Experiment is found, by such
Set, compared with fin height is identical, about 7% heat exchange efficiency can be improved.
Preferably, as shown in fig. 7, along the centre of the cross section of 1 heat absorbing end of thermal-collecting tube 10 to both sides, the inner rib plate 15
Height constantly reduce.Wherein, positioned at the centre position of the heat absorbing end 10 of thermal-collecting tube 1, the height highest of inner rib plate 15.
Because being found by experiment that, thermal-collecting tube heat absorbing end is most in middle part heat absorption, from middle part to both sides, absorbs heat and gradually becomes
It is small, therefore by setting the height change of inner rib plate 15 of thermal-collecting tube, so that the endotherm area of thermal-collecting tube heat absorbing end is at middle part
Maximum, it is minimum in both sides so that middle part heat absorption capacity is maximum, so meets the heat absorption rule of thermal-collecting tube heat absorbing end heat so that
The heat absorption of thermal-collecting tube heat absorbing end is uniform on the whole, avoids thermal-collecting tube heat absorbing end local temperature from overheating, causes radiating effect excessively poor, cause
The shortening in thermal-collecting tube heat absorbing end life-span.
By above-mentioned setting, middle part flow resistance is enabled to become big, more fluids distribute to heat absorbing end both sides so that
Fluid distribution is more uniform.
Preferably, from centre to both sides, the amplitude of the height reduction of the inner rib plate 15 constantly increases.
By above-mentioned setting, and meet the heat absorption rule of thermal-collecting tube heat absorbing end, further improve thermal-collecting tube heat absorbing end
Heat absorption efficiency, ensure that the overall heat absorption of thermal-collecting tube heat absorbing end is uniform, temperature is uniform, increases the life-span of thermal-collecting tube.
Preferably, the thermal-collecting tube is gravity assisted heat pipe.
Preferably, setting valve 24 and temperature sensor 25 on the storage heater pipeline, it is respectively used to control and enters storage
The temperature for the water that the flow of water in hot device 16 and detection enter in storage heater 16, similarly, the solar heat-preservation system is also set
Storage heater pipeline bypass line in parallel is put, valve 22 and temperature sensor 21 are set on the bypass line, are respectively used to control
The temperature of the flow of water and detection water on bypass line processed.Heat-storing material is set in the storage heater 16, and the heat-storing material is excellent
Elect phase-change material as.Preferably, temperature sensor is set in the storage heater, for detecting the temperature of heat-storing material.Described
Temperature sensor in valve 22,24 and temperature sensor 21,25 and storage heater carries out data with central controller 26 and is connected.
Temperature sensor is set in water tank 8, for detecting the temperature in water tank 8, sets temperature to pass on the outlet 17 of water tank 8
Sensor 19, for detecting the water temperature on vessel outlet 17, outlet tube valve 20, described water tank are set on vessel outlet 17
Temperature sensor and temperature sensor 17, outlet tube valve 20 in 8 are connected with the data of central controller 26.
The main object of the present invention is to realize intellectualized detection and the control of solar heat-preservation system, and the present invention is by following
Multiple embodiments come realize the present invention technique effect.
1. embodiment one
As an improvement, temperature of the central controller 26 according to the heat-storing material of detection and the water temperature into storage heater are come automatic
The opening and closing of control valve 22,24.
It is preferred that valve 24 is opened in normal course of operation, valve 22 is closed.
If the temperature of heat-storing material is higher than the water temperature into storage heater, the autocontrol valve 24 of central controller 26 closes
Close, while valve 21 is opened.Ensure that water does not enter storage heater, because if now water enters storage heater 16, do not play not only
The effect of accumulation of heat, the heat transfer in heat-storing material is fed water on the contrary, so as to reduce accumulation of heat effect.Therefore such a measure is passed through
The energy can be saved.
If the water temperature that bypass line temperature sensor 21 detects is higher than the temperature of heat-storing material, central controller is controlled automatically
Valve 24 processed is opened, and valve 22 is closed, and is ensured that water can enter storage heater 16, is played the effect of accumulation of heat.
Preferably, setting multiple temperature sensors 24 on described storage heater pipeline water inlet pipe, passed by multiple temperature
Sensor 24 measures the temperature of water on storage heater pipeline water inlet pipe.
Preferably, the average value of the temperature for the water that central controller 26 is measured by multiple temperature sensors 24 controls
The opening and closing of valve 22,24.
Preferably, the minimum of the temperature for the water that central controller 26 is measured by multiple temperature sensors 25 controls
The opening and closing of valve 22,24.By taking minimum, it is capable of the further accuracy of data.
Preferably, described at least one temperature sensor is arranged on accumulator inlet pipe close to the position of storage heater 16
Put.
Preferably, described bypass line pipeline and the tie point of storage heater pipeline are close to accumulator inlet.So keep away
Exempt from the cold water left when storing too many upper once closing valve 24 on storage heater pipeline.
2. embodiment two
As an improvement, described central controller 26 is according to the temperature in the temperature of the inlet tube of storage heater 16 of detection, water tank 8
The temperature of degree and bypass line carrys out the closing of autocontrol valve 20,22,25.
If the temperature for the accumulator inlet pipe that central controller 26 detects is less than the temperature of the heat-storing material of storage heater,
The automatic-closing valve 24 of central controller 26 and valve 20, open valve 22.Opening valve 22 can ensure to be located at the He of valve 20
Water between 24 can be recycled in water tank by bypass line to be heated again, while empties not being inconsistent between valve 22,24
Close the water of temperature requirement.Water in water tank 8 continues through solar energy heating, when the water temperature in water tank 8 exceedes heat-storing material temperature
During certain numerical value, preferably greater than more than 10 degrees Celsius, valve 20,24 is opened, and valve 22 is closed, so that water enters storage heater
Middle carry out accumulation of heat.
By above-mentioned measure, storage heater accumulation of heat can be caused to realize intelligentized control method.
Preferably, described valve 20 is arranged on vessel outlet close to the position of water tank.So cause outlet
Cold water will not be substantially stored on road 17, ensures accumulation of heat effect.
Preferably, setting multiple temperature sensors in described water tank 8, water is measured by multiple temperature sensors
Temperature.
Preferably, central controller 26 by the average value of the temperature of the water of multiple temperature sensor measurements come control valve
The opening and closing of door 20,22,24.
Preferably, central controller 26 by the minimum of the temperature of the water of multiple temperature sensor measurements come control valve
The opening and closing of door 20,22,24.By taking minimum, can ensure the temperature of the water of all positions in water tank 8 can reach
Utilizable temperature.
Preferably, described at least one temperature sensor is arranged in water tank 8 close to the position of tank entry pipe 18.
Preferably, described at least one temperature sensor is arranged in water tank 8 close to the position of vessel outlet 17.
Preferably, described bypass line pipeline and the tie point of storage heater pipeline are close to accumulator inlet.So keep away
Exempt from the cold water left when storing too many upper once closing valve 24 on storage heater pipeline.
3. embodiment three
Further improvement of the embodiment three as embodiment two.
If the temperature for the accumulator inlet pipe that central controller 26 detects is less than the temperature of the heat-storing material of storage heater,
The automatic-closing valve 24 of central controller 26 and valve 20, open valve 22.Opening valve 22 can ensure to be located at the He of valve 20
Water between 24 can be recycled in water tank by bypass line to be heated again.Water in water tank 8 continues through solar energy and added
Heat, when the water temperature in water tank 8 exceedes heat-storing material temperature certain numerical value, preferably greater than more than 10 degrees Celsius, valve 20 is opened,
Water is flowed through by bypass line, if the water temperature that bypass line sensor 21 detects exceedes the certain number of degrees of heat-storing material, for example, it is super
5 degrees Celsius are crossed, then bypass line valve 22 is closed, and storage heater pipeline 24 is opened, and is stored so that water enters in storage heater
Heat.
By above-mentioned measure, the temperature of water is detected by bypass line, the effect of accumulation of heat is further increased, improves
The intelligent control of accumulation of heat.
Remaining is identical with embodiment two without the technical characteristic of description, is not just further describing.
4. example IV
As an improvement, solar heat-preservation system can be with intelligence computation heat loss.As shown in figure 1, the temperature in the water tank 8
Sensor can detect the water temperature in water tank 8, and the temperature sensor 25 can be measured into the water temperature in storage heater, pass through water
Gentle flow can calculate the heat loss in solar energy system transportation, i.e.,（Water temperature in water tank 8-enter storage heater
Water temperature）The specific heat of × mass flow × water.
Flowmeter is set on the export pipeline 17, flowmeter is set on storage heater pipeline, and described two flowmeters are with
Entreat controller to carry out data connection, heat loss is calculated by the mean values of two flowmeters measurements.
It is preferred that calculate heat loss by setting the flow that flowmeter measures on storage heater pipeline.
If the heat loss of detection is excessive, central controller sends prompting automatically.Now needing detection fluid circuit is
It is no problem to be present.
5. embodiment five
Heat exchanger tube is passed through in the storage heater 16, the heat exchanger tube carries out heat exchange, the heat exchanger tube and heat with heat-storing material 28
It is connected using device 30 by pipeline.Valve 29 is set on the pipeline between the heat utilization device 30 and storage heater 16, it is described
Valve 29 carries out data with central controller and is connected.The central controller 26 is according to the temperature of the heat-storing material of detection come automatic
The aperture of control valve 29.
If the temperature of the heat-storing material of detection is higher than higher limit, central controller controls valve 29 increases aperture, with
Ensure that more fluids flow into and heat exchange is participated in storage heater, ensure making full use of for heat, if the temperature of the heat-storing material of detection
Degree is less than certain numerical value, then central controller controls valve 29 reduces aperture, is joined with ensureing that less fluid is flowed into storage heater
With heat exchange, ensure heating fluid temperature (F.T.).
When if the temperature of the heat-storing material of the detection of detection is less than lower limit, central controller controls valve 29 closes
Close, now illustrate that the accumulation of heat of heat-storing material runs out completely.
The intellectuality that accumulation of heat utilizes can be carried out by above-mentioned intelligentized control method.
It is identical with what is above recorded for other features in storage heater, just no longer it is described in detail.
6. embodiment six
Temperature sensor is set on the inlet tube of the heat utilization device 30, heat utilization is entered by temperature sensor automatic detection
The temperature of water in device.The temperature sensor is connected with the data of central controller 26.What if central controller 26 detected enters
The water temperature entered in heat utilization device is higher than upper data, then the aperture increase of the control valve 29 of central controller 26, so as to increase
Fluid flow into storage heater 16.By the temperature for the water for being lowered into heat utilization device for increasing the Fluid Volume to exchange heat.
On the contrary, if the detection of central controller 26 is less than lower data, central controller 26 into the water temperature in heat utilization device
The aperture of control valve 29 reduces, so as to reduce into the fluid flow in storage heater 16.By reducing the Fluid Volume to exchange heat
Improve the temperature into the water of heat utilization device.
Preferably, setting multiple temperature sensors on the inlet tube of described heat utilization device, passed by multiple temperature
Sensor measures the temperature of water.
Preferably, central controller 26 by the average value of the temperature of the water of multiple temperature sensor measurements come control valve
The aperture of door 29.
Preferably, central controller 26 by the minimum of the temperature of the water of multiple temperature sensor measurements come control valve
The aperture of door 29.
Preferably, described at least one temperature sensor is arranged on interior close heat profit on the inlet tube of heat utilization device
With the position of device.
By above-mentioned measure, can and ensure the temperature into the water of heat utilization device keep within the specific limits, so as to
Utilizable temperature can be reached.
Preferably, the heat utilization device is radiator.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (4)
1. a kind of solar heat-preservation system using bypass conduit intelligent control, the system includes heat collector, storage heater, described
Heat collector includes thermal-collecting tube and water tank, and the thermal-collecting tube includes heat absorbing end and release end of heat, and the release end of heat is arranged in water tank；Institute
Storage heater to be stated to be arranged on storage heater pipeline, the water tank connects to form circulation loop with storage heater, and thermal-collecting tube absorbs solar energy,
Water in heating water tank, the water after heating enter storage heater by vessel outlet, by heat storage storage heater accumulation of heat material
In material；It is characterized in that：The thermal-collecting tube includes flat tube and fin, and the flat tube includes tube wall parallel to each other and side
Wall, the side wall connects the end of parallel tube wall, fluid passage is formed between the side wall and the parallel tube wall, described
Thermal-collecting tube release end of heat includes fin, and the fin is arranged between tube wall, and the fin includes the sloping portion for favouring tube wall,
Described sloping portion connects with parallel tube wall, and fluid passage is spaced apart to form multiple passage aisles by the sloping portion,
Adjacent sloping portion connects on tube wall, triangle between the adjacent sloping portion and tube wall；In rake
Divide upper setting intercommunicating pore, so that adjacent passage aisle communicates with each other；Intercommunicating pore is isosceles triangle, the adjacent rake
Point and tube wall between the triangle that forms be isosceles triangle.
2. solar heat-preservation system as claimed in claim 1, it is characterised in that along the centre of the tube wall of flat tube cross section
To both sides sidewall direction, the described via area on different sloping portions constantly diminishes.
3. solar heat-preservation system as claimed in claim 2, it is characterised in that storage heater pipe is set on the storage heater pipeline
Road valve and storage heater line temperature sensor, the flow and detection for being respectively used to the water that control enters in storage heater enter accumulation of heat
The temperature of water in device, the system also set up storage heater pipeline bypass line in parallel, bypass are set on the bypass line
Pipe valve and bypass line temperature sensor, it is respectively used to control the flow of water on bypass line and detects bypass line water
Temperature, temperature sensor is set in the storage heater, for detecting the temperature of heat-storing material；TEMP is set in the water tank
Device, for detecting the water temperature in water tank, outlet tube valve is set on vessel outlet；Described storage heater pipe valve, bypass
Temperature in pipe valve, outlet tube valve and storage heater line temperature sensor, bypass line temperature sensor and storage heater
Temperature sensor in degree sensor, water tank carries out data with central controller and is connected；Described central controller is according to detection
The temperature of accumulator inlet pipe, the temperature of the temperature in water tank and bypass line come automatically control storage heater pipe valve,
Bypass line valve, the closing for exporting tube valve.
4. solar heat-preservation system as claimed in claim 3, it is characterised in that if the storage heater of central controller detection enters
The temperature of mouth pipe is less than the temperature of the heat-storing material of storage heater, then central controller closes storage heater pipe valve and outlet automatically
Tube valve, open bypass line valve；Water in water tank continues through solar energy heating, when the water temperature in water tank exceedes accumulation of heat material
During material temperature degree certain numerical value, outlet tube valve is opened, and water is flowed through by bypass line, if bypass line temperature sensor detects
Water temperature exceed the certain number of degrees of heat-storing material temperature, then bypass line valve close, storage heater pipe valve open so that
Water, which enters in storage heater, carries out accumulation of heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540468.3A CN107367078B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system using bypass conduit intelligent control |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018129.4A CN105627596B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system controlled based on multi-temperature data intelligence |
| CN201710540468.3A CN107367078B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system using bypass conduit intelligent control |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610018129.4A Division CN105627596B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system controlled based on multi-temperature data intelligence |
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| CN107367078A true CN107367078A (en) | 2017-11-21 |
| CN107367078B CN107367078B (en) | 2019-02-22 |
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| CN201610018129.4A Expired - Fee Related CN105627596B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system controlled based on multi-temperature data intelligence |
| CN201710540468.3A Expired - Fee Related CN107367078B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system using bypass conduit intelligent control |
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| CN201610018129.4A Expired - Fee Related CN105627596B (en) | 2016-01-12 | 2016-01-12 | A kind of solar heat-preservation system controlled based on multi-temperature data intelligence |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915907A (en) * | 2018-04-27 | 2019-06-21 | 青岛宝润科技有限公司 | A kind of intelligent control solar thermal collector |
| CN109915906A (en) * | 2018-04-27 | 2019-06-21 | 青岛宝润科技有限公司 | Solar energy collector system is controlled according to bypass pipe temperature intelligent |
| CN110285592A (en) * | 2018-08-03 | 2019-09-27 | 青岛金玉大商贸有限公司 | The solar energy system of intelligent control valve aperture |
| CN110398076A (en) * | 2018-08-03 | 2019-11-01 | 青岛金玉大商贸有限公司 | According to the solar energy system of heat collector leaving water temperature intelligent control valve aperture |
| CN110748912A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on smoke temperature communication control valve |
| CN110748913A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on heat storage air temperature communication control |
| CN112484341A (en) * | 2020-06-01 | 2021-03-12 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Ground source heat pump system capable of automatically controlling valve according to power of water pump |
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| GB2558943B (en) * | 2017-01-23 | 2019-01-16 | Todd Muxworthy Anthony | Waste-liquid heat recovery |
| CN114893908B (en) * | 2019-08-13 | 2023-06-23 | 青岛科技大学 | Double-temperature cooperative intelligent control steam generator system |
| CN112393416B (en) * | 2019-08-13 | 2022-05-17 | 青岛科技大学 | Hot water boiler system capable of automatically controlling temperature according to hot water pipe |
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| DE10303680A1 (en) * | 2002-02-01 | 2003-08-07 | Denso Corp | Exhaust gas heat exchanger has cooling ribs in flat exhaust passages and with two types of wall element extending in exhaust gas flow direction in lamellar fashion and constructed with rectangular corrugation type cross sectional form |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915907A (en) * | 2018-04-27 | 2019-06-21 | 青岛宝润科技有限公司 | A kind of intelligent control solar thermal collector |
| CN109915906A (en) * | 2018-04-27 | 2019-06-21 | 青岛宝润科技有限公司 | Solar energy collector system is controlled according to bypass pipe temperature intelligent |
| CN110748912A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on smoke temperature communication control valve |
| CN110748913A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on heat storage air temperature communication control |
| CN110285592A (en) * | 2018-08-03 | 2019-09-27 | 青岛金玉大商贸有限公司 | The solar energy system of intelligent control valve aperture |
| CN110398076A (en) * | 2018-08-03 | 2019-11-01 | 青岛金玉大商贸有限公司 | According to the solar energy system of heat collector leaving water temperature intelligent control valve aperture |
| CN110285592B (en) * | 2018-08-03 | 2020-08-28 | 安徽太极计算机有限公司 | Solar system for intelligently controlling opening degree of valve |
| CN110398076B (en) * | 2018-08-03 | 2020-08-28 | 伟迈云科技股份有限公司 | Solar system capable of intelligently controlling opening of valve according to outlet water temperature of heat collector |
| CN112484341A (en) * | 2020-06-01 | 2021-03-12 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Ground source heat pump system capable of automatically controlling valve according to power of water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107367078B (en) | 2019-02-22 |
| CN105627596A (en) | 2016-06-01 |
| CN105627596B (en) | 2017-08-25 |
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