CN110398076A - According to the solar energy system of heat collector leaving water temperature intelligent control valve aperture - Google Patents
According to the solar energy system of heat collector leaving water temperature intelligent control valve aperture Download PDFInfo
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- CN110398076A CN110398076A CN201810878319.2A CN201810878319A CN110398076A CN 110398076 A CN110398076 A CN 110398076A CN 201810878319 A CN201810878319 A CN 201810878319A CN 110398076 A CN110398076 A CN 110398076A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The present invention provides a kind of intelligent control solar energy systems, the system comprises water heaters and thermal storage device, the system comprises general pipeline valves, general pipeline valve is arranged on water heater and the total pipeline of thermal storage device upstream, 4th temperature sensor is set in the total pipeline of the general pipeline valve downstream, and the 4th temperature sensor is for detecting hot fluid temperature in total pipeline；4th temperature sensor and central controller carry out data connection, and central controller controls the opening and closing of general pipeline valve according to the data that the 4th temperature sensor detects.The present invention passes through above-mentioned operation, it can be when thering is hot fluid temperature to meet the requirements, in the case where meeting the water of heating of water heater generation, the heat being more than is stored in thermal storage device, in the case where no hot fluid solar energy, using the heat of hot fluid solar energy storage come heat hot water device, to meet the real work demand of water heater.Hot fluid solar energy can be made full use of in this way, avoid the waste of excessive heat.
Description
Technical field
The present invention is a portion for the project researched and developed jointly with university, is the improvement to front earlier application,
It is related to field of solar energy, utilizes Solar use method and system more particularly to a kind of.
Background technique
With the rapid development of modern social economy, the mankind are increasing to the demand of the energy.However coal, petroleum, day
The traditional energies 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 sun
Can thermal transition be that a kind of energy conversion efficiency and utilization rate are high and low in cost, the solar energy that can be widely popularized in the whole society is sharp
Use mode.In solar energy heat utilization device, it is important to solar radiant energy are converted into thermal energy, realize the device of this conversion
Referred to as solar thermal collector.
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) invention is known as the heat transfer element of " heat pipe ", 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.Compared to shell-and-tube heat exchanger the most commonly used in the recycling of coal fuel heating fluid solar, heat pipe
Heat exchanger has many advantages, such as that heat transfer efficiency is high, compact-sized, the pressure loss is small, is conducive to control dew point corrosion, in coal-fired hot-fluid
Body solar energy has more potentiality in recycling.
Heat pipe heat exchanging fluid in heat exchange is all steam water interface.Heat pipe inevitably carries in evaporation process
In liquid to steam end, simultaneously as the exothermic condensation of condensation end, so that there are liquid in condensation end, liquid can not also be kept away
That exempts from mixes with steam, so that the fluid in heat pipe is liquid-vapor mixture, liquid-vapor mixture, which exists, causes steam to blend together one
Group, exchange capability of heat declines between liquid, greatly affects the efficiency of heat exchange.
In the solar energy utilization system of the prior art, lack research for intelligentized control method, more particularly, to depositing simultaneously
Intelligent control in the case where multiple solar utilizing equipments, such as setting heat distribution etc..
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new intelligence control is provided
The helioplant of structure processed makes full use of heat source, reduces energy consumption, realizes intelligent control.
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 structure is provided too
It is positive can using equipment, with realize solar energy make full use of and its intelligent control.
To achieve the goals above, technical scheme is as follows:
A kind of solar energy system, the system comprises water heater and thermal storage device, the water heater is arranged on Water heater pipeline, institute
It states thermal storage device to be arranged on thermal storage device pipeline, the Water heater pipeline and thermal storage device pipeline form parallel pipeline, the heat collector
It is connected to form circulation loop with water heater, heat collector is connected to form circulation loop with thermal storage device, the hot fluid difference in total pipeline
Into the water heater and thermal storage device of Water heater pipeline and thermal storage device pipeline, water is heated in water heater, is stored up in thermal storage device
Heat, the fluid after exchanging heat in water heater and thermal storage device enters in heat collector by water return pipeline to be heated；
The position of the entrance of the water heater of Water heater pipeline is arranged in valve for water heater, for controlling the hot fluid for entering water heater
Flow, the position of the inlet tube of the thermal storage device of thermal storage device pipeline is arranged in thermal storage device valve, enters thermal storage device for controlling
The flow of hot fluid, the system also includes central controller, the central controller and thermal storage device valve, valve for water heater into
The connection of row communication data；
4th temperature sensor is set in the total pipeline of the general pipeline valve downstream, and the 4th temperature sensor is for detecting total pipeline
Middle hot fluid temperature；4th temperature sensor and central controller carry out data connection, and central controller is according to the 4th temperature
The data of sensor detection are spent to control the opening and closing of general pipeline valve.
Preferably, when central controller detects that general pipeline channel temp is more than certain temperature, central controller controls
General pipeline valve is opening state, and hot fluid can enter water heater and thermal storage device；Central controller detects total pipeline hot fluid
When temperature is lower than certain temperature, central controller controls general pipeline valve is closed, the pipeline shape where water heater and thermal storage device
At a circulation line.
Preferably, when hot-fluid body sensor is detected more than certain temperature, central controller controls by-passing valve
Door is closed, and general pipeline valve is opened.
Preferably, when hot-fluid body sensor detects temperature lower than certain temperature, by central controller controls
Port valve door is opened, and general pipeline valve is closed.
Preferably, the heat collector includes thermal-collecting tube and water tank, the thermal-collecting tube includes evaporation ends and condensation end, described
Condensation end is arranged in water tank, and evaporation ends absorb solar energy, transfers heat to the water in water tank, the thermal-arrest by condensation end
Stabilising arrangement is set in pipe, and the stabilising arrangement is laminated structure, and the laminated structure is arranged on the cross section of thermal-collecting tube；Institute
It states stabilising arrangement and is square through-hole and octagon through-hole composition, the side length of the square through-hole is equal to octagon through-hole
Side length, four of the square through-hole while be respectively four different octagon through-holes while, octagon through-hole
Four apart from one another by while be respectively four different square through-holes while.
Preferably, the cross section of thermal-collecting tube is square.
Preferably, the distance between adjacent stable device is M1, the side length of square through-hole is B1, and thermal-collecting tube is pros
Tee section, the side length of thermal-collecting tube square section are B2, and it is A that the thermal-collecting tube and horizontal plane, which form acute angle, meet following require:
c*M1/B2=a*Ln(B1/B2) +b
Wherein a, b are parameters, wherein 1.725 < a < 1.733,4.99 <b < 5.01；c=1/cos (A)m, wherein 0.085 < m <
0.095, preferably m=0.090.
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
20°<A<60°。
Compared with prior art, the present invention has the advantage that:
1) present invention can be generated when having hot fluid temperature to meet the requirements meeting water heater 1 by above-mentioned operation
Heating water in the case where, the heat being more than is stored in thermal storage device 2, in the case where no hot fluid solar energy,
Using the heat of hot fluid solar energy storage come heat hot water device 1, to meet the real work demand of water heater 1.It in this way can be with
Hot fluid solar energy is made full use of, the waste of excessive heat is avoided.
2) stabilization of the Novel structure combined the present invention provides a kind of new-type square through-hole and octagon through-hole
The solar water heater of device, by square and octagon, so that the side shape of the square hole and octagon hole that are formed
At angle be all greater than equal to 90 degree so that fluid can sufficiently flow through each position in each hole, avoid or subtract
The short circuit of few fluid flowing.Two-phase fluid is separated into liquid and gas by the stabilising arrangement of Novel structure by the present invention, by liquid
It is mutually divided into small liquid group, gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase smooth outflow, plays stationary flow
The effect of amount improves heat transfer effect.Stabilising arrangement in compared with the existing technology, further increases steady flow result, augmentation of heat transfer,
And it is simple to manufacture.
3) present invention is by being reasonably laid out, so that square and octagon through-hole are evenly distributed, so that whole
On rank street face on fluid segmentation uniformly, avoid the segmentation of ring structure in the prior art circumferentially and unevenly ask
Topic.
4) present invention is uniformly distributed by the interval of square hole and octagon hole, so that macropore and aperture are whole
Body is evenly distributed on cross section, and by the change in location of the macropore of adjacent stabilising arrangement and aperture, so that segregation
More preferably.
5) present invention is laminated structure by setting stabilising arrangement, so that stabilising arrangement structure is simple, cost is reduced.
6) present invention passes through the distance being arranged between adjacent stable device in absorbing pipe short transverse, the hole of stabilising arrangement
Side length, the parameters size such as caliber, the tube spacing of absorbing pipe rule variation, have studied the optimal relationship ruler of above-mentioned parameter
It is very little, to further reach steady flow result, noise is reduced, improves heat transfer effect.
8) present invention is conducted extensive research by heat exchange rule caused by the variation to stabilising arrangement parameters, In
In the case of meeting flow resistance, the best relation formula of heat transfer effect is realized.
9) a kind of solar thermal collector of Novel structure is provided, by the way that equalizer flow tube is arranged between thermal-collecting tube, ensure that
Pressure is uniform in each thermal-collecting tube, fluid flow it is evenly distributed and fluid motion resistance evenly distributed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar water heater system of the present invention.
Fig. 2 is solar water heater side structure schematic diagram of the present invention.
Fig. 3 is Fig. 2 solar water heater overlooking structure diagram.
Fig. 4 stabilising arrangement cross-sectional structure schematic diagram of the present invention；
Another cross-sectional structure schematic diagram of Fig. 5 stabilising arrangement of the present invention；
Fig. 6 is stabilising arrangement of the present invention arrangement schematic diagram in thermal-collecting tube；
Fig. 7 is that stabilising arrangement of the present invention arranges cross-sectional view in thermal-collecting tube；
Fig. 8 is the cross-sectional view of thermal-collecting tube setting equalizer flow tube of the present invention.
In figure: 1 water heater, 2 thermal storage devices, 3 central controllers, 4 stabilising arrangements, 5 valve for water heater, 6 general pipeline valves, 7 collection
Hot device, 8 total pipelines, 9 water return pipelines, 10- thermal storage device valve, 11, thermal-collecting tube, 12, water tank, 13, transparency glass plate, 14 is heat-insulated
Layer, 15 inlet tubes, 16 outlets, 17 thermal insulation layers, 41 square through-holes, 42 octagon through-holes, 43 sides, 18 equalizer flow tubes, 19 heat
Hydrophone pipeline, 20 thermal storage device pipelines, 21 by-pass line, 21,22 bypath valve, 23 temperature sensors, 24 fluid sensors.
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.
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
A kind of solar energy collector system, as shown in Figure 1, the system comprises heat collector 7, water heater 1 and storage heater 2,
The water heater 1 is arranged on Water heater pipeline 19, and the thermal storage device 2 is arranged on thermal storage device pipeline 20, the water heater pipe
Road 19 and thermal storage device pipeline 20 form parallel pipeline.The heat collector 7 is connected to form circulation loop with water heater 1, heat collector 7 with
The connection of thermal storage device 2 forms circulation loop, and the hot fluid in total pipeline 8 respectively enters Water heater pipeline 19 and thermal storage device pipeline 20
Water heater 1 and thermal storage device 2, heat water in water heater 1, and heat accumulation is carried out in thermal storage device 2, change in water heater 1 and thermal storage device 2
Fluid after heat enters in heat collector 7 by water return pipeline 9 to exchange heat.
In above system, while generating hot water by solar energy heating, it can use thermal storage device and carry out heat accumulation.
As shown in Figure 1, the system comprises thermal storage device valve 10, valve for water heater 5 and general pipeline valve 6, general pipeline valve 6 is set
It sets on the total pipeline 8 of 2 upstream of water heater 1 and thermal storage device, for controlling the total hot fluid for entering water heater 1 and thermal storage device 2
The position of the entrance of the water heater 1 of Water heater pipeline 19 is arranged in flow, valve for water heater 5, enters water heater 1 for controlling
The position of the inlet tube of the thermal storage device 2 of thermal storage device pipeline 20 is arranged in the flow of hot fluid, thermal storage device valve 10, for control into
The flow for entering the hot fluid of thermal storage device 2, the system also includes central controller, the central controller and thermal storage device valve
10, valve for water heater 5 is connected with the progress communication data of general pipeline valve 6.The central controller controls thermal storage device valve 10, hot water
The opening and closing of device valve 5 and general pipeline valve 6 and the size of aperture, to control the hot fluid into water heater 1 and thermal storage device 2
Amount.
It is exactly hot water that the hot fluid, which is used as preferably,.
Preferably, as shown in Figure 1, the system also sets up the by-pass line 21 in parallel with Water heater pipeline, the side
It threads a pipe 21 upstreams for being located at general pipeline valve 6 with the link position of total pipeline 8, bypath valve is set on the by-pass line 21
22.The bypath valve 22 and central controller data connection.The opening and closing of bypath valve 22 can guarantee whether hot fluid passes through
Water heater 1 and thermal storage device 2.
Preferably, the bypath valve 22 is opened, general pipeline valve 6 is closed.
(1) according to the opening and closing of hot fluid flow control valve door
Preferably, hot-fluid body sensor 24 is arranged in the total pipeline 8 of 6 upstream of general pipeline valve, hot-fluid body sensor 24 is used
Whether there is hot fluid to flow through in detection pipeline.The hot-fluid body sensor 24 carries out data connection, center with central controller
Controller controls the opening and closing of general pipeline valve 6 according to the data that general pipeline road sensor 24 detects.
When central controller detects that total pipeline 8 has hot fluid to pass through, for example, solar energy collector system is in operation
When, central controller controls general pipeline valve 6 is opening state, and hot fluid can enter water heater 1 and thermal storage device 2, exchange heat
It is circulated back to after in heat collector 7.When central controller detects that total pipeline 8 passes through without hot fluid, such as solar energy collection
When hot systems are out of service, when there is no the sun or solar energy deficiency at night either, central controller controls general pipeline valve 6
It closes, the pipeline where water heater 1 and thermal storage device 2 forms a circulation line.Heat is heated using the heat accumulation of thermal storage device 2 at this time
Hydrophone 1, to heat water.It, can be when having hot fluid, in the heating for meeting the generation of water heater 1 by above-mentioned operation
Water in the case where, the heat being more than is stored in thermal storage device 2, in the case where no hot fluid solar energy, utilizes heat
The heat of fluid solar storage carrys out heat hot water device 1, to meet the real work demand of water heater 1.It in this way can be sufficiently sharp
With hot fluid solar energy, the waste of excessive heat is avoided.
Preferably, the bypath valve 22 is opened, general pipeline valve 6 is closed.
Preferably, central controller controls bypath valve 22 closes when hot-fluid body sensor detects hot fluid
It closes, general pipeline valve 6 is opened.
Preferably, when hot-fluid body sensor, which detects, does not have hot fluid, central controller controls bypath valve
22 open, and general pipeline valve 6 is closed.
(2) operation of control closed cycle system pump is flowed according to hot fluid
Preferably, pump is arranged on the thermal storage device pipeline 20, it to be used for general pipeline valve in the case where no hot fluid solar energy
6 close, by the operation of pump so that the pipeline where water heater 1 and thermal storage device 2 forms a circulation line.
Preferably, the pump carries out data connection with central controller, the central controller is sensed according to hot fluid
The data of device monitoring automatically control the operation of pump.
When central controller detects that pipeline has hot fluid to pass through, it is out of service that central controller automatically controls pump.When
When central controller detects that pipeline does not have hot fluid to pass through, central controller automatically controls pump and brings into operation.Pass through control
The intelligent operation of pump can realize the intelligent control of pump operation according to the actual situation, improve the intelligence of system.
(3) operation of control pump is detected according to two temperature
Preferably, the first temperature sensor is arranged in the thermal storage device 2, for detecting the temperature of heat accumulating in thermal storage device.
Second temperature sensor is set in the water heater, for detecting the temperature of water in water heater 1.First temperature sensor and
Second temperature sensor and central controller data connection.General pipeline valve 6 is closed, and the central controller is passed according to the first temperature
The operation of sensor and the temperature automatic control pump of second temperature sensor detection.
If the temperature of the first temperature sensor detection is lower than the temperature of second temperature sensor detection, central controller
Control pump is out of service.If the temperature of the first temperature sensor detection is higher than the temperature of second temperature sensor detection, in
Centre controller control pump brings into operation.
The operation that pump is controlled by the temperature of detection may be implemented independently to heat water heater.Because in research and development and in fact
It is found during testing, in the case that the heat of thermal storage device is gradually finished, it may appear that the temperature for the gas that thermal storage device comes out is low
The temperature of water in water heater 1, reuse in such cases thermal storage device come heat hot water device be it is impossible, instead may
The heat of water heater is caused to be pulled away.Therefore by the operation according to the temperature intelligent of detection control pump, so that intelligent control is stored up
The circulation of hot device 2 and water heater 1 improves water heating effect.
(4) according to the aperture of water heater entrance hot fluid temperature control valve
Preferably, third temperature sensor 23 is arranged at the position of the thermal fluid inlet of water heater 1, enter heat for measuring
The temperature of the hot fluid of hydrophone.Third temperature sensor 23 and central controller carry out data connection, and central controller is according to the
The temperature that three-temperature sensor 23 detects automatically controls the valve opening of valve for water heater 5 and thermal storage device valve 10.
Preferably, when the temperature that third temperature sensor 23 measures is lower than certain temperature, central controller control
Valve 5 processed increases aperture, while control valve 10 reduces aperture, to increase the flow for the hot fluid for entering water heater 1.Work as third
When the temperature that temperature sensor 23 measures is higher than certain temperature, central controller controls valve 5 reduces aperture, same to time control
Valve 10 processed increases aperture, to reduce the flow for the water for entering water heater 1.
When the temperature that third temperature sensor 23 measures is as low as certain temperature, water heater 1 heats the energy of water at this time
Power can be deteriorated, and be unable to satisfy normal demand, it is therefore desirable to which more hot fluids carry out heat hot water device, to heat water.
, can be when hot fluid temperature be high, after the water generation demand for meeting heating by above-mentioned operation, it will
Extra heat, which carries out heat accumulation by thermal storage device, can enter hot water for more hot fluids when hot fluid temperature is low
For heating water in device, the demand of the water of heating ensure that, while energy saving.
(5) according to the opening and closing of hot fluid temperature control valve
Preferably, the 4th temperature sensor is arranged in the total pipeline 8 of 6 upstream of general pipeline valve, the 4th temperature sensor is used
The hot fluid temperature in detection total pipeline.4th temperature sensor and central controller carry out data connection, center control
Device controls the opening and closing of general pipeline valve 6 according to the data that the 4th temperature sensor detects.
Central controller detect total pipeline 8 have temperature be more than certain temperature when, for example, heat collector operation when
Time starts that high-temperature hot fluid is discharged, and central controller controls general pipeline valve 6 is opening state, and hot fluid can enter water heater 1
With thermal storage device 2.When central controller detects 8 hot fluid temperature of total pipeline lower than certain temperature, such as at night or do not have
When stopping heat collector operation when having the sun, or because the Solar use of front causes hot fluid temperature relatively low, in order to
It avoids that the sun can not be can be carried out utilization, central controller controls general pipeline valve 6 is closed, the pipe where water heater 1 and thermal storage device 2
Road forms a circulation line.At this time using the heat accumulation of thermal storage device 2 come heat hot water device 1, to heat water.Pass through above-mentioned fortune
Row, can be when having hot fluid temperature to meet the requirements, will in the case where meeting the water of heating of the generation of water heater 1
The heat being more than is stored in thermal storage device 2, in the case where no hot fluid solar energy, utilizes the heat of hot fluid solar energy storage
Amount carrys out heat hot water device 1, to meet the real work demand of water heater 1.Hot fluid solar energy can be made full use of in this way, avoided
The waste of excessive heat.
Preferably, when hot-fluid body sensor is detected more than certain temperature, central controller controls by-passing valve
Door 22 is closed, and general pipeline valve 6 is opened.
Preferably, when hot-fluid body sensor detects temperature lower than certain temperature, by central controller controls
Port valve door 22 is opened, and general pipeline valve 6 is closed.
(6) operation of control closed cycle system pump is flowed according to hot fluid
The present embodiment is improvement on the basis of (five) embodiment.
Preferably, pump is arranged on the thermal storage device pipeline 20, the hot fluid temperature of total pipeline 8 is lower than certain situation
Under, by the operation of pump so that the pipeline where water heater 1 and thermal storage device 2 forms a circulation line.
Preferably, the pump carries out data connection with central controller, the central controller is according to general pipeline channel temp
The data of sensor monitoring automatically control the operation of pump.
When central controller detects that total pipeline hot fluid temperature is higher than certain temperature, central controller controls header valve
Door 6 is opened, and it is out of service to automatically control pump.Because hot fluid temperature at this time meets heat exchange needs, hot-fluid can use
Body comes heat hot water device and thermal storage device 2.When central controller detects total pipeline hot fluid temperature lower than certain temperature, in
Controller control general pipeline valve 6 is entreated to close, central controller automatically controls pump and brings into operation.Because hot fluid temperature at this time is not
Meet heat exchange needs, it is therefore desirable to using thermal storage device 2 come heat hot water device.By being transported according to the intelligence of hot fluid temperature control pump
Row, can realize the intelligent control of pump operation according to the actual situation, improve the intelligence of system.
When central controller detects that total pipeline has hot fluid temperature to be higher than certain temperature, bypath valve is closed.In the middle
When centre controller detects pipeline hot fluid temperature lower than certain temperature, bypath valve is opened.
(7) operation of control pump is detected according to thermal storage device outlet temperature
Preferably, the first temperature sensor is arranged in the outlet of the thermal storage device 2, for detecting the temperature of thermal storage device outlet fluid
Degree.Second temperature sensor is set in the water heater, for detecting the temperature of water in water heater 1.First temperature sensing
Device and second temperature sensor and central controller data connection.The central controller is according to the first temperature sensor and second
The operation of the temperature automatic control pump of temperature sensor detection.
If the temperature of the first temperature sensor detection is lower than the temperature of second temperature sensor detection, central controller
Control pump is out of service.
In the case that general pipeline valve is closed, the operation of pump is controlled by the temperature of detection, may be implemented to water heater certainly
Main heating.Because being found in the case that the heat of thermal storage device is gradually finished in research and development and experimentation, it may appear that heat accumulation
The temperature for the gas that device comes out reuses thermal storage device in such cases and carrys out heat hot water device lower than the temperature of the water in water heater 1
Be it is impossible, the heat that may result in water heater instead is pulled away.Therefore it is pumped by being controlled according to the temperature intelligent of detection
Operation, so that the circulation of intelligent control thermal storage device 2 and water heater 1, improves the generation rate of the water of heating.
The heat collector 7 includes thermal-collecting tube 11 and water tank 12, and the thermal-collecting tube 11 is actually an independent heat pipe, packet
Evaporation ends 111 and condensation end 112 are included, the condensation end 112 is arranged in water tank 12.Evaporation ends 111 absorb solar energy, by cold
Solidifying end 112 transfers heat to the water in water tank.The water tank 12 is connected to form circulation loop with heat utilization device 2, thermal-collecting tube
11 absorb solar energy, and the water in heating water tank 12, the water after heating enters heat utilization device 2 by vessel outlet 17, in heat
Using exchanging heat in device 2, the water flowed out in heat utilization device 2 enters in water tank 12 in tank entry pipe 15 and is added
Heat.
The solar thermal collector further includes transparency glass plate 13, thermal insulation layer 14.Transparency glass plate 13 is covered on thermal-collecting tube
Evaporation ends 111 front, there are thermal insulation layers 17 between evaporation ends 111 and transparency glass plate 16, preferably, thermal insulation layer is true
Dead level.Use tempered glass, thermal insulation layer for vacuum layer as preferably clear glass plate 16；Preferably, absorption film 12 is by splashing
The front of 1 evaporation ends 111 of heat pipe is arranged in the mode penetrated.
Preferably, absorption film 12 is arranged the upper surface of 1 evaporation ends 111 of thermal-collecting tube (i.e. towards the one side of the sun).
For the setting of bottom plate 11 in 1 lower part of thermal-collecting tube, the bottom plate is thermal insulation material.
Preferably, thermal insulation layer 17 with a thickness of 10mm~15mm；As preferably 12 mm.
The thermal-collecting tube 11 is more side by side, is connected between adjacent thermal-collecting tube 11 by equalizer flow tube 18.
In the process of running, there are fluid distribution unevenly for heat collector, and because during thermal-arrest, different thermal-arrests
The heat that pipe absorbs is different, causes fluid temperature (F.T.) in different thermal-collecting tubes different, even fluid in some thermal-collecting tubes, for example, water at
For the state of gas-liquid two-phase, some thermal-arrest tube fluids are still liquid, lead to thermal-collecting tube because fluid becomes steam in this way
Interior pressure becomes larger, therefore by the way that equalizer flow tube is arranged between thermal-collecting tube, can fluid be flowed mutually in thermal-collecting tube, in this way
So that the pressure distribution in all thermal-collecting tubes reaches balance, fluid distribution can also be promoted to reach balance.
Alternatively, as shown in figure 8, equalizer flow tube 18 is arranged between the thermal-collecting tube.At least two adjacent collection
Equalizer flow tube 18 is set between heat pipe 11.It finds under study for action, during evaporation tube heat absorption is exothermic, it may appear that different location
The caloric receptivity thermal discharge for heat outting pipe of absorbing heat is different, leads to pressure or temperature difference between thermal-collecting tube 11, will lead to portion in this way
11 temperature of diversity heat pipe is excessively high, causes the lost of life, once thermal-collecting tube 11 goes wrong, may cause entire solar energy system and goes out
Not the problem of not being available now.Equalizer flow tube 18 is arranged by largely studying, in adjacent thermal-collecting tube in the present invention, can be in thermal-collecting tube
It is heated different and in the case where causing pressure different, the fluid in thermal-collecting tube 11 that pressure can be made big quickly flows to pressure
Small thermal-collecting tube 11 avoids hot-spot or supercooling to keep integral pressure balanced.
Preferably, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, it is arranged between adjacent thermal-collecting tube 11 and multiple flows
Pipe 18.By the way that multiple equalizer flow tubes are arranged, fluid continuous counterpressure in heat absorption evaporation process is enabled to, guarantees entire collection
Pressure in heat pipe is balanced.
Preferably, in evaporation ends 111, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, between adjacent equalizer flow tube 18
Distance constantly reduces.This purpose is in order to which more equalizer flow tubes are arranged, because of flowing up with fluid, fluid is constantly inhaled
Heat, as fluid constantly absorbs heat, the pressure in different thermal-collecting tubes is more and more uneven, therefore passes through above-mentioned setting, Neng Goubao
Card reaches pressure equilibrium as soon as possible in process fluid flow.
Preferably, in evaporation ends 111, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, between adjacent equalizer flow tube away from
It is increasing from ever-reduced amplitude.Be found through experiments that, above-mentioned setting, can guarantee in process fluid flow it is more excellent more
Fast reaches pressure equilibrium.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, the diameter of equalizer flow tube 18 is continuous in evaporation ends 111
Increase.This purpose is to be arranged and guarantee bigger connection area, because of flowing up with fluid, fluid constantly absorbs heat
Steam is generated, with the continuous bad student of steam, the temperature, pressure in different thermal-collecting tubes is more and more uneven, therefore sets by above-mentioned
It sets, can guarantee to reach pressure equilibrium as soon as possible in process fluid flow.
Preferably, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, the diameter of equalizer flow tube 18 is continuous in evaporation ends 111
Increased amplitude is increasing.It is found through experiments that, above-mentioned setting, can guarantee more excellent in process fluid flow to reach faster
To pressure equilibrium.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, in condensation end 112, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, between adjacent equalizer flow tube 18
Distance is continuously increased.This purpose is to reduce cost in order to which less equalizer flow tube is arranged.Because with condensation end 112 lower part to
On, the continuous exothermic condensation of steam in heat pipe, with the continuous heat release of fluid, the pressure in thermal-collecting tube is smaller and smaller, therefore not
Uniform phenomenon also increasingly mitigates, therefore by above-mentioned setting, can save material, and equalizer flow tube is arranged according to pressure change,
It can guarantee to reach pressure equilibrium as soon as possible in process fluid flow.
Preferably, in condensation end 112, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, between adjacent equalizer flow tube away from
It is increasing from ever-increasing amplitude.Be found through experiments that, above-mentioned setting, can guarantee in process fluid flow it is more excellent more
Fast reaches pressure equilibrium.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, the diameter of equalizer flow tube 18 is continuous in condensation end 112
It reduces.This purpose is to reduce cost to be arranged and guarantee reduced connection area.With front apart from ever-increasing principle phase
Together.
Preferably, from 11 lower part of thermal-collecting tube to 11 top of thermal-collecting tube, the diameter of equalizer flow tube 18 is continuous in condensation end 112
Reduced amplitude is increasing.It is found through experiments that, above-mentioned setting, can guarantee more excellent in process fluid flow to reach faster
To pressure equilibrium.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Because of the heat exchange of steam in thermal-collecting tube, so that there is stream-liquid two-phase flow in thermal-collecting tube, on the one hand, thermal-collecting tube was evaporating
Cheng Zhong, inevitably in carrying of liquids to thermal-collecting tube, simultaneously as the exothermic condensation of condensation end, so that in condensation end
There are liquid, liquid also inevitably enters in steam, so that the fluid in thermal-collecting tube is liquid-vapor mixture, collects simultaneously
The on-condensible gas that heat pipe can generate in the process of running because of aging, on-condensible gas are typically raised to the condensation on thermal-collecting tube top
End, the presence of on-condensible gas lead to the pressure increase in thermal-collecting tube condensation end, and pressure flows liquid into thermal-collecting tube.Greatly
The big efficiency for affecting heat exchange.Therefore this invention takes new structures, to divide liquid and vapor capacity, so that heat exchange is reinforced.
Stabilising arrangement 4 is set in thermal-collecting tube, and the structure of the stabilising arrangement 4 is as shown in Figure 4,5.The stabilising arrangement 4 is
Laminated structure, the laminated structure are arranged on the cross section of thermal-collecting tube 11；The stabilising arrangement 4 is square and octagon
Structure composition, to form square through-hole 41 and octagon through-hole 42.The side length of square through-hole 41 as described in Figure 4 is equal to
The side length of octagon through-hole 42, four of the square through-hole while 43 be respectively four different octagon through-holes while
43, positive eight deformation four of through-hole apart from one another by while 43 be respectively four different square through-holes while 43.
The present invention uses the stabilising arrangement of Novel structure, has the advantages that
1) stabilising arrangement of the Novel structure combined the present invention provides a kind of new-type square through-hole and octagon through-hole,
By square and octagon, so that the angle that the side of the square hole and octagon hole that are formed is formed all is greater than and is equal to
90 degree, so that fluid can sufficiently flow through each position in each hole, avoid or reduce the short circuit of fluid flowing.This hair
It is bright that two-phase fluid is separated by liquid and gas by the stabilising arrangement of Novel structure, liquid phase is divided into small liquid group, by gas phase
Minute bubbles are divided into, the reflux of liquid phase is inhibited, promotes gas phase smooth outflow, plays the role of regime flow, there is vibration and noise reducing
Effect, improve heat transfer effect.Stabilising arrangement in compared with the existing technology, further increases steady flow result, augmentation of heat transfer, and
And it is simple to manufacture.
2) present invention is by being reasonably laid out, so that square and octagon through-hole are evenly distributed, so that whole
On rank street face on fluid segmentation uniformly, avoid the segmentation of ring structure in the prior art circumferentially and unevenly ask
Topic.
3) present invention is uniformly distributed by the interval of square hole and octagon through-hole, so that macropore and aperture exist
It is evenly distributed on whole cross section, and by the change in location of the macropore of adjacent stabilising arrangement and aperture, so that separating effect
Fruit is more preferable.
4) present invention is laminated structure by setting stabilising arrangement, so that stabilising arrangement structure is simple, cost is reduced.
The present invention is equivalent to and increases interior heat exchange area changing in thermal-collecting tube, enhance by the way that annular stabilising arrangement is arranged
Heat exchange, improves heat transfer effect.
The present invention is because gas-liquid two-phase is divided in all cross-section locations for changing thermal-collecting tube, thus whole
A change on thermal-arrest tube section realizes the segmentation of gas-liquid interface and gas phase boundary and the contact area of cooling wall and enhancing is disturbed
It is dynamic, noise and vibration greatly reduces, enhances heat transfer.
Preferably, the stabilising arrangement includes two types, such as Fig. 4, shown in 5, the first seed type is square center
Stabilising arrangement, square are located at the center of thermal-collecting tube or condenser pipe, as shown in Figure 5.Second is octagon central stabilizer
Device, octagon are located at the center of thermal-collecting tube or condenser pipe, as shown in Figure 4.Preferably as one, above two type
Stabilising arrangement is disposed adjacent, that is, the stabilising arrangement type being disposed adjacent is different.I.e. adjacent with square center stabilising arrangement is
Octagon central stabilizer device, adjacent with octagon central stabilizer device is square center stabilising arrangement.The present invention
It is uniformly distributed by the interval of square hole and octagon hole, so that macropore and aperture are distributed on whole cross section
It is even, and by the change in location of the macropore of adjacent stabilising arrangement and aperture so that by the fluid of macropore followed by
Aperture, by the fluid of aperture followed by macropore, further progress separates, and promotes the mixing of vapour-liquid, so that separating and changing
Thermal effect is more preferable.
Preferably, the cross section of the thermal-collecting tube 11 is square.
Preferably, the multiple stabilising arrangements of setting in evaporation ends, upward from the lower end of thermal-collecting tube in evaporation ends 111, stablize
Spacing between device constantly becomes smaller.If the distance of the lower end apart from thermal-collecting tube is H, the spacing between adjacent stable device is S,
S=F1(H), i.e. S is using height H as the function of variable, and S ' is the first order derivative of S, meets following require:
S’<0;
Main cause is because thermal-arrest liquid in pipe is constantly heated to generate steam, and in uphill process, steam is constantly increasingly
It is more, cause the steam in biphase gas and liquid flow more and more, because the vapour phase in stream-liquid two-phase flow is more and more, changing in thermal-collecting tube
Thermal energy power can increase with vapour phase and weaken relatively, and vibration and its noise also can constantly increase as vapour phase increases.Therefore
The distance between the adjacent stable device for needing to be arranged is shorter and shorter.
It is found through experiments that, by above-mentioned setting, can both reduce vibration and noise to the full extent, while can mention
High heat transfer effect.
Further preferably, in evaporation ends 111, between the lower end upwardly direction of thermal-collecting tube, adjacent stable device away from
It is continuously increased from shorter and shorter amplitude.That is S " is the second derivative of S, meets following require:
S”>0;
It is found through experiments that, by so set, 7% or so vibration and noise can be further decreased, while it is left to improve 8%
Right heat transfer effect.
Preferably, the multiple stabilising arrangements of setting in evaporation ends 111, upward from the lower end of thermal-collecting tube in evaporation ends 111,
(i.e. Fig. 2,3 from lower to upper part direction), square side length is smaller and smaller.The distance of lower end apart from thermal-collecting tube is H, square
The side length of shape is C, C=F2(H), C ' is the first order derivative of C, meets following require:
C’<0;
Further preferably, upward from the lower end of thermal-collecting tube in evaporation ends 111, the smaller and smaller amplitude of square side length is continuous
Increase.C " is the second derivative of C, meets following require:
C”>0。
Specific reason changes referring to front stabilising arrangement spacing.
Preferably, the distance between adjacent stable device remains unchanged.
Preferably, the multiple stabilising arrangements of setting in condensation end, in condensation end 112, since 112 entrance of condensation end (i.e.
Since thermal-collecting tube 11 protrudes into the position of water tank), the spacing between stabilising arrangement is continuously increased.If distance is protruded into from thermal-collecting tube 11
The distance of the position of water tank is H, and the spacing between adjacent stable device is S, S=F1(H), i.e. S is using height H as the letter of variable
Number, S ' is the first order derivative of S, meets following require:
S’>0;
Main cause is because steam constantly condenses in uphill process in condensation end, and steam is constantly fewer and fewer, leads to gas
Steam in liquid two-phase is fewer and fewer, because the vapour phase in stream-liquid two-phase flow is fewer and fewer.Therefore need to be arranged is adjacent steady
It is increasingly longer to determine the distance between device, in this way, cost can be further saved, achievees the effect that essentially identical, reduction flowing
Resistance.
It is found through experiments that, by above-mentioned setting, can both reduce vibration and noise to the full extent, while can mention
High heat transfer effect.
Further preferably, in condensation end 112, (position of water tank is protruded into from thermal-collecting tube 11 since 112 entrance of condensation end
Start), the increasingly longer amplitude of the distance between adjacent stable device is continuously increased.That is S " is the second derivative of S, is met as follows
It is required that:
S”>0;
It is found through experiments that, by so set, 7% or so resistance can be further decreased, while reaching essentially identical
Heat transfer effect.
Preferably, the multiple stabilising arrangements of setting in condensation end 112, in condensation end 112, since 112 entrance of condensation end
(i.e. since thermal-collecting tube 11 protrudes into the position of water tank), square side length is increasing.If distance protrudes into water from thermal-collecting tube 11
The distance of the position of case is H, and square side length is C, C=F2(H), C ' is the first order derivative of C, meets following require:
C’>0;
Further preferably, upward from the lower end of thermal-collecting tube in condensation end 112, the increasing amplitude of square side length is continuous
Increase.C " is the second derivative of C, meets following require:
C”>0。
Specific reason changes referring to front stabilising arrangement spacing.
Preferably, the distance between adjacent stable device remains unchanged.
Preferably, gap is arranged in the collector tube inner wall, the outer end of the stabilising arrangement is arranged in gap.
Preferably, thermal-collecting tube is welded for multi-segment structure, stabilising arrangement is arranged in the junction of multi-segment structure.
It is learnt by analyzing and testing, the spacing between stabilising arrangement cannot be excessive, leads to damping noise reduction if excessive
And the effect separated is bad, and while it can not be too small, cause resistance excessive if too small, similarly, square side length is not yet
Can be too large or too small, the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention pass through it is a large amount of real
Test, preferentially meet normal flow resistance (total pressure-bearing be 2.5Mpa hereinafter, single thermal-collecting tube on-way resistance be less than etc.
In 5Pa/M) in the case where, so that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
Preferably, the distance between adjacent stable device is M1, the side length of square through-hole is B1, and thermal-collecting tube is pros
Tee section, the side length of thermal-collecting tube square section are B2, and it is A that the thermal-collecting tube and horizontal plane, which form acute angle, meet following require:
c*M1/B2=a*Ln(B1/B2) +b
Wherein a, b are parameters, wherein 1.725 < a < 1.733,4.99 <b < 5.01；c=1/cos(A)m, wherein 0.085 < m <
0.095, preferably m=0.090.
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
20°<A<60°。
Preferably, 30 ° < A < 50 °.
Further preferably, with the increase of B1/B2, a is smaller and smaller, and b is increasing.
Preferably, a=1.728, b=4.997；
Preferably, the side length B1 of square through-hole is the average value of side length and outer side length in square through-hole, thermal-collecting tube is square
The side length B2 of tee section is the average value of side length and outer side length in thermal-collecting tube.
Preferably, the outer side length of square through-hole is equal to the interior side length of thermal-collecting tube square section.
With the increase of A, m is smaller and smaller.
Preferably, with the increase of B2, B1 is also continuously increased.But with the increase of B2, the ever-increasing amplitude of B1
It is smaller and smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, and the variation of above-mentioned rule, Neng Goujin are passed through
One step improves heat transfer effect, reduces noise.
Preferably, with the increase of B2, M1 constantly reduces.But with the increase of B2, the ever-reduced amplitude of M1 is got over
Come smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, can be into one by the variation of above-mentioned rule
Step improves heat transfer effect, reduces noise.
It is learnt by analyzing and testing, the spacing of thermal-collecting tube will also meet certain requirements, such as cannot excessive or mistake
It is small, no matter it is too large or too small all heat transfer effect can be caused bad, and because the application thermal-collecting tube in be provided with stabilising arrangement,
Therefore stabilising arrangement also there are certain requirements thermal-arrest tube spacing.Therefore the present invention through a large number of experiments, meets normally preferential
Flow resistance (total pressure-bearing be 2.5Mpa hereinafter, single thermal-collecting tube on-way resistance be less than or equal to 5Pa/M) in the case where,
So that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
The distance between adjacent stable device is M1, and square side length is B1, and thermal-collecting tube is square section, thermal-collecting tube
Side length be B2, it is A that the thermal-collecting tube and horizontal plane, which form acute angle, and it is as follows that the spacing between adjacent thermal-collecting tube center is that M2 meets
It is required that:
c*M2/B2=d*(M1/B2)2+e-f*(M1/B2)3-h*(M1/B2)；
Wherein d, e, f, h are parameters,
1.239<d<1.240,1.544<e<1.545,0.37<f<0.38,0.991<h<0.992；c=1/cos(A)n, wherein
0.090 < n < 0.098, preferably n=0.093.
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
16<M2<76mm。
Spacing between adjacent thermal-collecting tube center is that M2 refers to the distance between thermal-arrest tube hub line.
With the increase of A, n is smaller and smaller.
20°<A<60°。
Preferably, 30 ° < A < 50 °.
Further preferably, d=1.2393, e=1.5445, f=0.3722, h=0.9912；
Preferably, d, e, f is increasing with the increase of M1/B2, h is smaller and smaller.
Preferably, M2 is continuously increased with the increase of B2, but with the increase of B2, the ever-increasing amplitude of M2 is got over
Come smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, can be into one by the variation of above-mentioned rule
Step improves heat transfer effect.
Preferably, evaporation ends (position connected from thermal-collecting tube lower end to thermal-collecting tube with water tank) length is 1000-
Between 1800mm.Further preferably, between 1200-1400mm.
Preferably, condensation end length is between 500-900mm.Further preferably, between 600-700mm.
By the preferred of the optimal geometric scale of above-mentioned formula, can be realized under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
For parameters such as other parameters, such as tube wall, shell wall thickness according to normal standard setting.
Preferably, the water heater 1 is medical fluid heat exchanger, thermal-collecting tube is protruded into the medical fluid of cabinet, for heating medicine
Liquid.
Preferably, the water heater 1 is health care product heat exchanger, thermal-collecting tube is protruded into the health care product of cabinet, for adding
Hot health care product.
In fact, thermal-collecting tube of the invention is exactly heat pipe, which includes evaporation ends 111 and condensation end 112.
Preferably, the condensation end of thermal-collecting tube 11 is deep into the center line position below of water tank, such as shown in Fig. 3.Into
One step has choosing, is deep at 1/4 to 1/2 distance between the least significant end of water tank and center line.It, can be with by going deep into water tank lower end
The heat transfer free convection of the water in water tank is further realized, heat transfer effect is improved.
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 (6)
1. a kind of solar energy system, the system comprises water heater and thermal storage device, the water heater is arranged on Water heater pipeline,
The thermal storage device is arranged on thermal storage device pipeline, and the Water heater pipeline and thermal storage device pipeline form parallel pipeline, the thermal-arrest
Device is connected to form circulation loop with water heater, and heat collector is connected to form circulation loop with thermal storage device, the hot fluid in total pipeline point
Not Jin Ru Water heater pipeline and thermal storage device pipeline water heater and thermal storage device, water is heated in water heater, is carried out in thermal storage device
Heat accumulation, the fluid after exchanging heat in water heater and thermal storage device enters in heat collector by water return pipeline to be heated；
The position of the entrance of the water heater of Water heater pipeline is arranged in valve for water heater, for controlling the hot fluid for entering water heater
Flow, the position of the inlet tube of the thermal storage device of thermal storage device pipeline is arranged in thermal storage device valve, enters thermal storage device for controlling
The flow of hot fluid, the system also includes central controller, the central controller and thermal storage device valve, valve for water heater into
The connection of row communication data；
4th temperature sensor is set in the total pipeline of the general pipeline valve downstream, and the 4th temperature sensor is for detecting total pipeline
Middle hot fluid temperature；4th temperature sensor and central controller carry out data connection, and central controller is according to the 4th temperature
The data of sensor detection are spent to control the opening and closing of general pipeline valve.
2. solar energy system as described in claim 1, which is characterized in that central controller detects that general pipeline channel temp is more than one
When determining temperature, central controller controls general pipeline valve is opening state, and hot fluid can enter water heater and thermal storage device；In
When centre controller detects total pipeline hot fluid temperature lower than certain temperature, central controller controls general pipeline valve is closed,
Pipeline where water heater and thermal storage device forms a circulation line.
3. solar energy system as described in claim 1, which is characterized in that when hot-fluid body sensor is detected more than certain temperature
When, central controller controls bypath valve is closed, and general pipeline valve is opened.
4. solar energy system as claimed in claim 2, which is characterized in that when hot-fluid body sensor detects temperature lower than certain
When temperature, central controller controls bypath valve is opened, and general pipeline valve is closed.
5. solar energy system as described in claim 1, which is characterized in that the heat collector includes thermal-collecting tube and water tank, described
Thermal-collecting tube includes evaporation ends and condensation end, and the condensation end is arranged in water tank, and evaporation ends absorb solar energy, will by condensation end
Water in heat transfer feed-tank, the thermal-collecting tube is interior to be arranged stabilising arrangement, and the stabilising arrangement is laminated structure, the sheet
Structure is arranged on the cross section of thermal-collecting tube；The stabilising arrangement be square through-hole and octagon through-hole composition, it is described just
The side length of square through hole be equal to octagon through-hole side length, four sides of the square through-hole be respectively four it is different just
The side of octagon through-hole, four of octagon through-hole apart from one another by while be respectively four different square through-holes while.
6. solar water heater as claimed in claim 5, which is characterized in that the cross section of thermal-collecting tube is square.
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| CN201810878319.2A CN110398076B (en) | 2018-08-03 | 2018-08-03 | Solar system capable of intelligently controlling opening of valve according to outlet water temperature of heat collector |
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Cited By (1)
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|---|---|---|---|---|
| CN114593522A (en) * | 2020-07-23 | 2022-06-07 | 中北大学 | Smoke temperature measurement cooperative control heat pipe system |
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