CN109915907A - A kind of intelligent control solar thermal collector - Google Patents
A kind of intelligent control solar thermal collector Download PDFInfo
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- CN109915907A CN109915907A CN201910132478.2A CN201910132478A CN109915907A CN 109915907 A CN109915907 A CN 109915907A CN 201910132478 A CN201910132478 A CN 201910132478A CN 109915907 A CN109915907 A CN 109915907A
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- thermal
- radiator
- heat pipe
- temperature
- heat
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of solar energy collector systems, including reflecting mirror and thermal-collecting tube, first valve and the first temperature sensor are set on the radiator line, control is respectively used to enter the flow of the water in radiator and detect the temperature of the water entered in radiator, the solar thermal collection system also sets up the bypass line of radiator line parallel connection, second valve and second temperature sensor are set on the bypass line, are respectively used to the temperature of the flow of water and detection water on control bypass line；The radiator is arranged indoors, the interior setting third temperature sensor, for detecting indoor temperature；First valve, the second valve and first temperature sensor, second temperature sensor and third temperature sensor and central controller carry out data connection；Central controller automatically controls the opening and closing of the first valve, the second valve according to the indoor temperature of detection and into the water temperature of radiator.The present invention provides a kind of intelligent control solar energy heat collection pipes, realize intellectualized detection and the control of solar energy radiation system.
Description
Technical field
The present invention relates to a kind of thermal-arrest Manifold technology more particularly to a kind of thermal-collecting tubes of the heat pipe of Novel structure.
Background technique
Hot pipe technique is U.S. Los Alamos (Los Alamos) in 1963National LaboratoryGeorge Ge Luofo
One kind of (George Grover) invention is known as the heat transfer of " heat pipe "Element, it takes full advantage of heat-conduction principle and phase transformation is situated between
The heat of thermal objects is transmitted to outside heat source rapidly by the quick thermal transport property of matter through heat pipe, and the capacity of heat transmission is more than to appoint
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project were widely used in front of hot pipe technique, since being introduced into radiator manufacturing, so that
People change the mentality of designing of traditional heat sinks, get rid of the list for obtaining more preferable heat dissipation effect by high air quantity motor merely
One radiating mode makes radiator obtain satisfied heat transfer effect using hot pipe technique, opens heat dissipation industry new world.At present
Heat pipe is widely used in various heat exchange equipments, including power domain, such as the UTILIZATION OF VESIDUAL HEAT IN of power plant etc..
Thermal-collecting tube is the mechanical equipment for water being heated as using the thermal energy of fuel or other energy steam.Thermal-collecting tube application
Field is extensive, is widely used in clothing factory, drycleaner's, restaurant, steamed bun shop,Dining room,Dining room, factories and miness,Bean productThe places such as factory.At present
Thermal-collecting tube be also widely used in the treatment of various diseases, be particularly applied to muscle, ligament etc. because of aging and old damage
The treatment of caused chronic disease, such as CN2167709Y patent, but at present in the prior art, such as CN2167709Y special
Benefit, because directly generating steam by heating, the vapor (steam) temperature that will lead to generation is excessively high, and will lead in the steam of generation
Excess moisture, and drug is because be that particle it is possible that will appear is deposited on lower part, effective component contains in the steam sprayed
Measure too low, and temperature is excessively high, and intelligence degree is not high in the prior art, can not carry out effective intelligent operation.
In background technique, when utilizing solar energy heating thermal-collecting tube, solar energy perhaps directly heats thermal-collecting tube or by two
Secondary heat exchange generates steam, especially directly heats thermal-collecting tube, carries out thermal-collecting tube top using the heat convection inside thermal-collecting tube
It exchanges heat with the fluid convection of lower part, but needs lower part hot fluid free convection to top in such cases, heat exchange efficiency is low.
The degree of automation of solar thermal collector is not high at present, although the prior art also carries out the intelligent control of solar energy
Research, but be not many for the Intelligent Control Research of heat collector, in view of the above-mentioned problems, the present invention provides a kind of new
The solar energy collector system of intelligent control, thus the intelligent control during Solar use.
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new structure is provided
Solar energy heat collection pipe makes full use of heat source, reduces energy consumption.
Summary of the invention
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new heat pipe knot is provided
Structure thermal-collecting tube, to realize making full use of for solar energy.
To achieve the goals above, technical scheme is as follows:
A kind of solar energy collector system, the system comprises heat collector and radiator, the heat collector and radiator connect
Logical to form circulation loop, thermal-collecting tube absorbs solar energy, and the water after heating enters radiator by outlet, carries out in radiator
Heat exchange；
First valve and the first temperature sensor are set on the radiator line, is respectively used to control and enters in radiator
Water flow and detection enter radiator in water temperature, the solar thermal collection system also set up radiator line parallel connection
Bypass line, the second valve and second temperature sensor are set on the bypass line, are respectively used on control bypass line
The flow of water and the temperature of detection water；The radiator is arranged indoors, the interior setting third temperature sensor, for examining
Survey indoor temperature；First valve, the second valve and first temperature sensor, second temperature sensor and third temperature
It spends sensor and central controller carries out data connection；
Central controller is according to the indoor temperature of detection and enters the water temperature of radiator and automatically controls the first valve, the
The opening and closing of two valves.
Preferably, central controller automatically controls if detecting indoor temperature is higher than the water temperature for entering radiator
First valve is closed, while the second valve is opened.
Preferably, central controller is controlled automatically if the water temperature of second temperature sensor detection is higher than indoor temperature
The first valve opening is made, the second valve is closed
Preferably, the bottom of the lower end of the heat pipe is the inner wall of thermal-collecting tube.
Preferably, communicating pipe is arranged between at least two adjacent heat pipes.
Preferably, the center of thermal-collecting tube is located at the focal position of reflecting mirror.
Preferably, header is arranged in the bottom of the thermal-collecting tube, the heat pipe lower part is connected to header.
Preferably, the lower wall surface of the header is the face of the bottom of thermal-collecting tube.
The outer diameter of heat pipe is d, and the distance between adjacent heat pipe center of circle of same row is S, the center of circle of heat pipe and adjacent row
Two closed on the heat pipe center of circle constitute isosceles triangle apex angle be A, then meet claimed below:
Sin (A)=a* (d/S)3-b*(d/S)2+ c* (d/S)+e, wherein a, b, c, e are parameters, meet following require:
8.20<a<8.22,6.19<b<6.21；0.062<c<0.063,0.83<e<0.84,0.12<d/S<0.55.
Preferably, a=8.21, b=6.20, c=0.0625, d=0.835；
Preferably, the thermal-collecting tube is more, described more are parallel-connection structure.
Preferably, the thermal-collecting tube is more, described more are series and parallel mixed structure.
Compared with prior art, the present invention has the advantage that:
1) the present invention provides a kind of intelligent control solar energy heat collection pipe, central controller is according to the indoor temperature of detection
The opening and closing of the first valve, the second valve is automatically controlled with the water temperature into radiator, realizes the intelligence of solar energy radiation system
Change detects and controls.
2) present invention improves solar energy heat collection pipe, by the way that heat pipe is arranged in thermal-arrest bottom of the tube, is passed by heat pipe
Solar energy is quickly transmitted to the top of thermal-collecting tube by the fast feature of thermal velocity, improves the heat transfer rate to solar energy, can
The absorbability of further satisfaction heat.
3) will be set communicating pipe between adjacent heat pipe, it, can be to avoid uneven heating between heat pipe by the way that communicating pipe is arranged
It is even, realize that the pressure between heat pipe is balanced, defect caused by avoiding the uneven heating between different heat pipes even.
4) changing rule of the invention by crossing distributed quantity and caliber communicating pipe, can guarantee in process fluid flow
In reach as soon as possible pressure equilibrium.
5) regularity of distribution of opposite heat tube has carried out a large amount of numerical simulation and experimental study, summarizes on the basis of research
The relational expression of optimal heat pipe distribution.
Detailed description of the invention
Fig. 1 solar energy system schematic diagram of the present invention.
Fig. 2 is solar energy heat collection pipe structural schematic diagram of the present invention.
Fig. 3 is the structural schematic diagram of thermal-collecting tube setting communicating pipe of the present invention.
Fig. 4 is heat pipe horizontal plane projection structure schematic diagram of the present invention.
Fig. 5 is that thermal-collecting tube of the present invention passes parallel-connection structure schematic diagram.
Fig. 6 is control structure schematic diagram of the present invention.
Fig. 7 is the sizing figure of Fig. 4.
In figure: 1- reflective mirror, 2- thermal-collecting tube, 3-heat pipes, 4- heat utilization device, 5- heat collector, 6- communicating pipe, the control of the center 7-
Device processed, 8- outlet, 9- inlet tube, 10- temperature sensor, 11- valve, 12- temperature sensor, 13- valve, 14- valve,
15- valve, 16- temperature sensor
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
Fig. 1 discloses a kind of solar energy system, and the solar energy system includes solar thermal collector 5 and heat utilization device 4,
The solar thermal collector absorbs solar energy, heats the fluid flowed through, then fluid enters heat utilization device and utilized.
If Fig. 2-5 discloses the trough type solar heat-collector 5 using heat pipe, the heat collector 5 includes reflecting mirror 1 and thermal-arrest
Pipe 2, the thermal-collecting tube 2 are located at the focal position of reflecting mirror 1, and solar energy reflection is used to heat by the reflecting mirror 1 to thermal-collecting tube 2
Water in thermal-collecting tube 2, the thermal-collecting tube further include the heat pipe 3 being arranged in thermal-collecting tube 2, as shown in Fig. 2, the heat pipe 3 is arranged
It is upwardly extended inside thermal-collecting tube 2, and since 2 bottom of thermal-collecting tube, the heat pipe 3 is more, the bottom of the lower end of the heat pipe
Portion is connected on the inner wall of thermal-collecting tube.
Traditional solar energy heat collection pipe is all to generate steam by direct irradiation of sunlight thermal-collecting tube, inside thermal-collecting tube
Heat convection come carry out thermal-collecting tube upper and lower part fluid convection heat exchange, but need in such cases lower part hot fluid from
It so is by convection into top, heat exchange efficiency is low, and the present invention is by being arranged heat pipe in thermal-arrest bottom of the tube, because of the gas inside after heat pipe is heated
Body evaporates the evaporation ends on the top of the heat pipe of rising at once, exchanges heat on top, and such heat is just quickly transmitted to thermal-arrest
Pipe top can quickly improve heat exchange efficiency, improve solar energy heating utilization rate.
Preferably, the bottom of the lower end of the heat pipe 3 is the inner wall of thermal-collecting tube 2.Make heat pipe and thermal-collecting tube can in this way
As a whole, using the inner wall of thermal-collecting tube as the lower end wall surface of heat pipe, thermal contact resistance is reduced, so that overall structure is tight
Gather,
Preferably, the thermal-collecting tube and heat pipe are to be integrated.
Preferably, communicating pipe 6 is arranged between at least two adjacent heat pipes 3.Such as it is as shown in figure 3, adjacent to each other
Communicating pipe 6 is set between two heat pipes 3.Certainly, Fig. 3 is only schematic diagram, although showing only two heat pipes, not table
Bright only two heat pipes., can be even to avoid uneven heating between heat pipe 3 by the way that communicating pipe 6 is arranged, realize the pressure between heat pipe
Equilibrium, defect caused by avoiding the uneven heating between different heat pipes even.
Preferably, being continuously increased the distance between adjacent communicating pipe 6 from 3 lower part of heat pipe to 3 top of heat pipe.Because hot
Pipe absorbs solar energy, the then heat release in thermal-collecting tube in bottom.With flowing up for heat pipe vertical portion fluid, fluid is continuous
Heat release, with the continuous heat release of fluid, the pressure in different heat pipes is gradually decreased, therefore by above-mentioned setting, can be guaranteed
Reach pressure equilibrium as soon as possible in process fluid flow, saves communicating pipe quantity, energy-saving material.
Preferably, the distance between adjacent communicating pipe 6, ever-increasing amplitude was got over from 3 lower part of heat pipe to 3 top of heat pipe
Come bigger.Be found through experiments that, above-mentioned setting, can guarantee in process fluid flow it is more excellent faster reach pressure equilibrium.
This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, from 3 lower part of heat pipe to 3 top of heat pipe, the diameter of communicating pipe 6 constantly reduces.This purpose is to set
It sets and guarantees bigger connection area, because of flowing up with fluid, the continuous heat release of fluid, as fluid is constantly put
Heat, the pressure in different heat pipes is smaller and smaller, therefore by above-mentioned setting, can guarantee to reach as soon as possible in process fluid flow
To pressure equilibrium.
Preferably, from 3 lower part of heat pipe to 3 top of heat pipe, the ever-reduced amplitude of the diameter of communicating pipe 6 is increasing.
Be found through experiments that, above-mentioned setting, can guarantee in process fluid flow it is more excellent faster reach pressure equilibrium.This is also logical
The optimal mode of communicating that excessive quantifier elimination pressure changes in distribution is regular and gets.
Preferably, the center of thermal-collecting tube is located at the focal position of reflecting mirror.It is located at reflecting mirror coke by thermal-collecting tube center
Point position, it is ensured that thermal-collecting tube Omnidirectional heating is uniform.
Preferably, flowing through medical fluid in the thermal-collecting tube.The thermal-collecting tube is a kind of thermal-collecting tube of medicine liquid heating function.
Preferably, thermal-collecting tube 2 is more, the more thermal-collecting tubes are cascaded structure.
Preferably, as shown in figure 5, the more thermal-collecting tubes are series-parallel mixed structure.
The heat pipe be it is multiple, along the center line of thermal-arrest bottom of the tube to two side directions, the distribution density of the heat pipe
It is smaller and smaller.Numerical simulation and it was found that, along thermal-arrest bottom of the tube center radially outward direction, heat pipe it is heated
Measure smaller and smaller, and the temperature of the heat pipe of different location is also different, to cause local heating uneven.Because in
The solar energy of the heart, focusing is more, and received heat is increasing, and exchange capability of heat is caused also to increase, and therefore, the present invention passes through in thermal-arrest
The density of the different location setting heat pipe of bottom of the tube is different, so that the integral heat pipe temperature made keeps essentially identical, to improve
Whole heat exchange efficiency saves material, avoids local damage caused by non-uniform temperature, extend the service life of heat pipe.
Preferably, the distribution density of the heat pipe is increasingly along the center radially outward direction of thermal-arrest bottom of the tube
Small amplitude constantly increases.As the variation of heat pipe distribution density, the present invention has carried out a large amount of numerical simulation and experiment, from
And obtain the changing rule of above-mentioned heat pipe distribution density.By above-mentioned changing rule, material can be saved, while can also
Improve 9% or so heat exchange efficiency.
Preferably, the diameter and length of each heat pipe 3 are identical.
Preferably, the heat pipe 3 be it is multiple, along the center line of thermal-arrest bottom of the tube to two side directions, the heat pipe
Caliber it is smaller and smaller.The reason of concrete reason is with front heat pipe distribution density is identical.
Preferably, along the center line of thermal-arrest bottom of the tube to two side directions, the smaller and smaller width of the caliber of the heat pipe
Degree is continuous to be increased.The reason of concrete reason is with front heat pipe distribution density is identical.
Preferably, the distribution density and length of all heat pipes 3 are all identical.
The heat pipe 3 be it is multiple, along the flow direction of thermal-arrest tube fluid, the distribution density of the heat pipe is increasingly
Greatly.Numerical simulation and it was found that, along fluid flow direction, fluid temperature (F.T.) is higher and higher, thus fluid absorb heat energy
Power is gradually reduced, and heat pipe heat radiation ability is gradually reduced, therefore the temperature for the heat pipe of different location occur is also different, to cause
Local heating is uneven.The present invention is different by the density that heat pipe is arranged in the different location in thermal-collecting tube, thus make along stream
The emission capacity of body flow direction, heat pipe constantly declines, and by being distributed more heat pipes, so that it is dispersed heat, so that whole
Body heat pipe temperature keeps essentially identical, to improve whole heat exchange efficiency, saves material, avoids office caused by non-uniform temperature
Portion's damage, extends the service life of heat pipe.
Preferably, along the flow direction of thermal-arrest tube fluid, the increasing amplitude of the distribution density of the heat pipe
It is continuous to increase.As the variation of heat pipe distribution density, the present invention has carried out a large amount of numerical simulation and experiment, to obtain
The changing rule for the heat pipe distribution density stated.By above-mentioned changing rule, material can be saved, while 9% can also be improved
The heat exchange efficiency of left and right.
Preferably, the diameter and length of each heat pipe 3 are identical.
Preferably, the length of thermal-collecting tube is C, along thermal-collecting tube fluid flow direction, the density of the heat pipe of front end is
MTail, then apart from heat pipe front end, distance is that the heat pipe density M rule of the position l is as follows: M=b*MTail+c*MTail*(l/C)a, wherein a,
B, c is coefficient, meets following require:
1.075 < a < 1.119,0.94 <b+c < 0.99,0.465 <b < 0.548.
Preferably, a is gradually reduced as l/C increases.
Preferably, 1.09 < a < 1.11, b+c=0.99,0.503 <b < 0.508；
The formula of above-mentioned optimization is obtained with numerical simulation through a large number of experiments, enables to point of the heat pipe of heat pipe
The distribution of cloth being optimal of density, can uniform heat distribution, good effect of heat exchange on the whole, while material can be saved.
Preferably, the heat pipe be it is multiple, along the flow direction of thermal-arrest tube fluid, the caliber of the heat pipe is got over
Come bigger.
Preferably, the amplitude that the caliber of the heat pipe is smaller and smaller is continuous along the flow direction of thermal-arrest tube fluid
Increase.Concrete reason is referring to heat pipe variable density.
Preferably, the distribution density and length of all heat pipes are all identical.
Along flow of flue gas direction, the length of thermal-collecting tube is C, along flow of flue gas direction, the heat pipe of thermal-collecting tube front end
Caliber be DTail, then apart from heat pipe tail portion, distance is that the heat pipe caliber D rule of the position l is as follows:
D2=b* (DTail)2+c*(DTail)2*(l/C)a, wherein a, b, c are coefficients, meet following require:
1.085 < a < 1.125,0.985 <b+c < 1.015,0.485 <b < 0.645.
Preferably, a is gradually reduced as l/C increases.
Preferably, 1.093 < a < 1.106, b+c=1,0.548 <b < 0.573；
The formula of above-mentioned optimization is obtained with numerical simulation through a large number of experiments, enables to the distribution density of heat pipe
The distribution for being optimal, can uniform heat distribution, good effect of heat exchange on the whole, while material can be saved.
Preferably, the heat pipe 3 be it is multiple, along the flow direction of thermal-arrest tube fluid, the communicating pipe point
Cloth density is increasing.Numerical simulation and it was found that, along fluid flow direction, fluid temperature (F.T.) is higher and higher, because
This fluid heat absorption capacity is gradually reduced, and heat pipe heat radiation ability is gradually reduced, therefore the temperature of the heat pipe of different location occurs
Difference, to cause local heating uneven.The present invention is different by the density that communicating pipe is arranged in the different location in thermal-collecting tube,
To make along fluid flow direction, the emission capacity of heat pipe constantly declines, and by being distributed more communicating pipes, makes its dispersion
Pressure, to improve whole heat exchange efficiency, saves material, avoids temperature so that integral heat pipe temperature keeps essentially identical
Local damage caused by degree is uneven, extends the service life of heat pipe.
Preferably, along the flow direction of thermal-arrest tube fluid, the increasing width of the distribution density of the communicating pipe
Degree is continuous to be increased.As the variation of communicating pipe distribution density, the present invention has carried out a large amount of numerical simulation and experiment, thus
To the changing rule of above-mentioned heat pipe distribution density.By above-mentioned changing rule, material can be saved, while can also be improved
9% or so heat exchange efficiency.
Preferably, the diameter and length of each communicating pipe are identical.
Preferably, the heat pipe 3 be it is multiple, along the flow direction of thermal-arrest tube fluid, the communicating pipe it is straight
Diameter is increasing.Numerical simulation and it was found that, along fluid flow direction, fluid temperature (F.T.) is higher and higher, thus flow
Body heat absorption capacity is gradually reduced, and heat pipe heat radiation ability is gradually reduced, therefore the temperature for the heat pipe of different location occur is also different,
To cause local heating uneven.The present invention is different by the diameter that communicating pipe is arranged in the different location in thermal-collecting tube, thus
Make along fluid flow direction, the emission capacity of heat pipe constantly declines, and by being distributed more communicating pipes, makes its dispersion heat
Amount, to improve whole heat exchange efficiency, saves material, avoids temperature so that integral heat pipe temperature keeps essentially identical
Local damage caused by uneven, extends the service life of heat pipe.
Preferably, the increasing amplitude of the diameter of the communicating pipe is not along the flow direction of thermal-arrest tube fluid
Disconnected increase.As the variation of connection pipe diameter, the present invention has carried out a large amount of numerical simulation and experiment, to obtain above-mentioned
The changing rule of heat pipe distribution density.By above-mentioned changing rule, material can be saved, while 9% or so can also be improved
Heat exchange efficiency.
Preferably, the distribution density of the communicating pipe and the length of every communicating pipe are all identical.
Preferably, as shown in figure 4, from top downwards from, or horizontal plane projection on, the heat pipe is more
Row, wherein adjacent two rows are to be staggered in arrangement；The center of circle of heat pipe and two closed on the heat pipe center of circle of adjacent row constitute isoceles triangle
Shape, the center of circle of the heat pipe are located at the position of the point of isosceles triangle apex angle.
Pass through numerical simulation and experiment discovery, the distance between heat pipe 3, between distance and adjacent row including same row
Distance cannot be too small, too small to will lead to heat pipe distribution excessively, causes the caloric receptivity of every heat pipe insufficient, excessive to will lead to heat pipe point
Cloth is very little, and heat pipe is caused to overheat, therefore the application sums up by a large amount of numerical simulation and experiment and carrys out the distribution of heat pipe 3 most
The distribution of optimization, the deficiency so that heat pipe can neither recept the caloric, and it is excessive to recept the caloric.
As shown in figure 4, from top downwards from, or in horizontal plane projection, the outer diameter of heat pipe is d, the phase of same row
The distance between adjacent heat pipe center of circle is S, and the center of circle of heat pipe and two closed on the heat pipe center of circle of adjacent row constitute isoceles triangle
The apex angle of shape is A, then meets claimed below:
Sin (A)=a* (d/S)3-b*(d/S)2+ c* (d/S)+e, wherein a, b, c, e are parameters, meet following require:
8.20<a<8.22,6.19<b<6.21；0.062<c<0.063,0.83<e<0.84,0.12<d/S<0.55.
Preferably, a=8.21, b=6.20, c=0.0625, d=0.835；
Preferably, gradually becoming smaller with d/S, a is increasing, and b is smaller and smaller, and c is increasing, and e is increasing.
Preferably, 15 ° < A < 80 °.
Further preferably, 20 ° < A < 40 °.
Further preferably, 0.3 < d/S < 0.5.
Preferably, a is increasing along the flow direction of thermal-arrest tube fluid, b is smaller and smaller, and c is increasing, and e is got over
Come bigger.
Above-mentioned empirical equation is the form for being obtained by a large amount of numerical simulations and experiment, and taking 3 rank multinomials.It is logical
The structure that above-mentioned relation formula obtains is crossed, the heat pipe structure of optimization can be further realized, and pass through verification experimental verification, error base
On this within 2.5%, so that error further reduces.
Preferably, thermal-collecting tube caliber is 400-600 millimeters, further preferably 500 millimeters.
Heat pipe outside diameter d is 9-12 millimeters, further preferably 11mm.
Further preferably, a kind of improved solar energy system, as shown in fig. 6, the system comprises heat collectors 5, heat utilization
Device 4, the heat collector include thermal-collecting tube 2, and the thermal-collecting tube 2 is connected to form circulation loop with heat utilization device 4, thermal-collecting tube 2
Solar energy is absorbed, the water after heating enters heat utilization device 4 by outlet 8, after being exchanged heat in heat utilization device 4,
The water flowed out in heat utilization device 4 enters in thermal-collecting tube 2 in inlet tube 9 to be heated.
Preferably, the heat utilization device 4 is radiator 4.
Preferably, valve 15 and temperature sensor 16 are arranged on the radiator line, it is respectively used to control into scattered
The flow of water in hot device 4 and detection enter the temperature of the water in radiator 4, and similarly, the solar energy radiation system is also set up
Valve 13 and temperature sensor 12 are arranged on the bypass line, is respectively used to control for the bypass line of radiator line parallel connection
The temperature of the flow of water and detection water on bypass line.The setting of radiator 4 indoors, is used for heating of house.Preferably, institute
Indoor setting temperature sensor is stated, for detecting indoor temperature.The valve 13,15 and temperature sensor 12,16 and
Indoor temperature sensor and central controller 7 carry out data connection.
Temperature sensor 10 is set on heat collector outlet 8, for detecting the water temperature on heat collector outlet 8, heat collector
Setting outlet tube valve 11 on outlet 8, the heat collector outlet pipe temp sensor, outlet tube valve 11 and center control
7 data connection of device.
Temperature sensor is set in thermal-collecting tube, for detecting the water temperature in thermal-collecting tube.The temperature sensor and center are controlled
7 data connection of device processed.
The main object of the present invention is to realize intellectualized detection and the control of solar energy radiation system, and the present invention passes through following
Multiple embodiments realize technical effect of the invention.
1. embodiment one
It is improved as one, indoor temperature of the central controller 7 according to detection and the water temperature into radiator are come automatic
The opening and closing of control valve 13,15.
It is preferred that valve 15 is opened in normal course of operation, valve 13 is closed.
If indoor temperature is higher than the water temperature into radiator, 7 autocontrol valve 15 of central controller is closed, together
When valve 13 open.Guarantee that water does not enter radiator, because if water enters radiator 4 at this time, does not play heat dissipation not only
Effect, instead by the heat transfer water supply in interior, to reduce heat dissipation effect.Therefore energy can be saved by such measure
Source.
If the water temperature that bypass line temperature sensor 12 detects is higher than indoor temperature, central controller autocontrol valve
Door 15 is opened, and valve 13 is closed, and is guaranteed that water is able to enter radiator 4, is played the effect of heat dissipation.
Preferably, multiple temperature sensors 16 are arranged on the radiator line water inlet pipe, passed by multiple temperature
Sensor 16 measures the temperature of water on radiator line water inlet pipe.
Preferably, the average value of the temperature for the water that central controller 7 is measured by multiple temperature sensors 16 controls
The opening and closing of valve 13,15.
Preferably, the minimum of the temperature for the water that central controller 7 is measured by multiple temperature sensors 16 controls
The opening and closing of valve 13,15.By taking minimum, it is capable of the further accuracy of data.
Preferably, radiator inlet pipe is arranged in close to the position of radiator 4 at least one described temperature sensor.
Preferably, the tie point of the bypass conduit and radiator line is close to radiator inlet.It thus is avoided that
The cold water left when storing too many last closing valve 15 on radiator line.
2. embodiment two
It is improved as one, temperature of the central controller 7 according to 4 inlet tube of radiator of detection, heat collector pipe
The temperature of middle water and the temperature of bypass line carry out the closing of autocontrol valve 11,13,15.
If the temperature for the radiator inlet pipe that central controller 7 detects is lower than the indoor temperature of radiator, center
7 automatic-closing valve 15 of controller and valve 11 open valve 13.Water in thermal-collecting tube 2 continues through solar energy heating, works as collection
When water temperature in heat pipe is more than room temperature certain numerical value, preferably greater than 10 degrees Celsius or more, valve 11,15 is opened, valve 13
It closes, radiates so that water enters in radiator.
By above-mentioned measure, radiator heat-dissipation can be made to realize intelligentized control method.
Preferably, the position on heat collector outlet close to heat collector is arranged in the valve 11.Make to obtain in this way
Cold water will not be substantially stored on mouth pipeline 17, guarantees heat dissipation effect.
Preferably, the multiple temperature sensors of setting in the outlet port of the heat collector or outlet header, pass through
Multiple temperature sensors measure the temperature of water.
Preferably, temperature sensor is arranged at 2 outlet header position of thermal-collecting tube, water is measured by temperature sensor
Temperature.
Preferably, central controller 7 is by the average value of the temperature of the water of multiple temperature sensor measurements come control valve
The opening and closing of door 11,13,15.
Preferably, central controller 7 is by the minimum of the temperature of the water of multiple temperature sensor measurements come control valve
The opening and closing of door 11,13,15.By taking minimum, it can guarantee that the temperature of the water of all positions in thermal-collecting tube 2 can reach
To utilizable temperature.
Preferably, the position in thermal-collecting tube 2 close to heat collector inlet tube 9 is arranged at least one described temperature sensor
It sets.
Preferably, the position in thermal-collecting tube 2 close to heat collector outlet 8 is arranged at least one described temperature sensor
It sets.
Preferably, the tie point of the bypass conduit and radiator line is close to radiator inlet.It thus is avoided that
The cold water left when storing too many last closing valve 15 on radiator line.
3. embodiment three
Further improvement of the embodiment three as embodiment two.
If the temperature for the radiator inlet pipe that central controller 7 detects is lower than the indoor temperature of radiator, center
7 automatic-closing valve 15 of controller and valve 11 open valve 13.Water in thermal-collecting tube 2 continues through solar energy heating, works as collection
When water temperature in heat pipe 2 is more than room temperature certain numerical value, preferably greater than 10 degrees Celsius or more, valve 11 is opened, and water passes through side
Siphunculus road is flowed through, if the water temperature that bypass line sensor 12 detects is more than indoor certain degree, such as more than 5 degrees Celsius, then
Bypass line valve 13 is closed, and radiator line valve 15 is opened, and is radiated so that water enters in radiator.
By above-mentioned measure, the temperature of water is detected by bypass line, is further improved the effect of heat dissipation, is improved
The intelligent control of heat dissipation.
Remaining technical characteristic not described is identical as embodiment two, is not just further describing.
4. example IV
It is improved as one, solar energy radiation system can be with intelligence computation heat loss.As shown in Figure 1, in the thermal-collecting tube 2
Temperature sensor can detecte the water temperature in thermal-collecting tube 2, the temperature sensor 16 can be measured into the water in radiator
Temperature can calculate the heat loss in solar energy system transportational process by water temperature and flow, i.e., (water temperature-in thermal-collecting tube 2 into
Enter the water temperature of radiator) × mass flow × water specific heat.
Flowmeter is set on the export pipeline 17, flowmeter is set on radiator line, and described two flowmeters are in
It entreats controller to carry out data connection, calculates heat loss by the mean values of two flowmeters measurement.
It is preferred that calculating heat loss by the way that the flow that flowmeter measures is arranged on radiator line.
If the heat loss of detection is excessive, central controller issues prompting automatically.Needing to detect fluid circuit at this time is
It is no that there are problems.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being defined by the scope defined by the claims..
Claims (9)
1. a kind of solar energy collector system, the system comprises heat collector and radiator, the heat collector is connected to radiator
Circulation loop is formed, thermal-collecting tube absorbs solar energy, and the water after heating enters radiator by outlet, changed in radiator
Heat；
First valve and the first temperature sensor are set on the radiator line, are respectively used to the water that control enters in radiator
Flow and detection enter the temperature of the water in radiator, the solar thermal collection system also sets up the side of radiator line parallel connection
The second valve and second temperature sensor is arranged on the bypass line in siphunculus road, is respectively used to water on control bypass line
The temperature of flow and detection water；Indoors, the interior setting third temperature sensor is used for sensing chamber for the radiator setting
Interior temperature；First valve, the second valve and first temperature sensor, second temperature sensor and third temperature pass
Sensor and central controller carry out data connection；
Central controller automatically controls the first valve, the second valve according to the indoor temperature of detection and into the water temperature of radiator
The opening and closing of door.
2. solar energy collector system as described in claim 1, which is characterized in that enter if detecting indoor temperature and being higher than
The water temperature of radiator, then central controller automatically controls the first valve and closes, while the second valve is opened.
3. solar energy collector system as described in claim 1, which is characterized in that if the water of second temperature sensor detection
Temperature is higher than indoor temperature, and central controller automatically controls the first valve and opens, and the second valve is closed.
4. solar energy collector system as described in claim 1, which is characterized in that described includes reflecting mirror and thermal-collecting tube, institute
The focal position that thermal-collecting tube is located at reflecting mirror is stated, solar energy reflection is used to heat in thermal-collecting tube by the reflecting mirror to thermal-collecting tube
Water, which is characterized in that the heat pipe that setting is upwardly extended since thermal-arrest bottom of the tube inside thermal-collecting tube, the heat pipe are more, institute
The bottom for stating the lower end of heat pipe is connected on the inner wall of thermal-collecting tube.
5. collector system as claimed in claim 4, which is characterized in that the bottom of the lower end of the heat pipe is the interior of thermal-collecting tube
Wall.
6. collector system as described in claim 1, which is characterized in that the heat pipe be it is multiple rows of, wherein adjacent two rows are
It is staggered in arrangement；The center of circle of heat pipe and two closed on the heat pipe center of circle of adjacent row constitute isosceles triangle, the center of circle of the heat pipe
Positioned at the position of the point of isosceles triangle apex angle.
7. thermal-collecting tube as claimed in claim 6, which is characterized in that the outer diameter of heat pipe is d, the adjacent heat pipe center of circle of same row
The distance between be S, it is A that two closed on the heat pipe center of circle of the center of circle of heat pipe and adjacent row, which constitutes the apex angle of isosceles triangle,
Then meet claimed below:
Sin (A)=a* (d/S)3-b*(d/S)2+ c* (d/S)+e, wherein a, b, c, e are parameters, meet following require:
8.20<a<8.22,6.19<b<6.21；0.062<c<0.063,0.83<e<0.84,0.12<d/S<0.55.
8. thermal-collecting tube as described in claim 1, which is characterized in that the thermal-collecting tube is more, and described more are parallel-connection structure.
9. thermal-collecting tube as described in claim 1, which is characterized in that the thermal-collecting tube is more, and described more are series and parallel
Mixed structure.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113531506A (en) * | 2020-04-14 | 2021-10-22 | 山东大学 | Solar steam system for balancing pressure |
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