CN206037440U - Vacuum tube heat collection type solar water heater - Google Patents
Vacuum tube heat collection type solar water heater Download PDFInfo
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- CN206037440U CN206037440U CN201620525922.9U CN201620525922U CN206037440U CN 206037440 U CN206037440 U CN 206037440U CN 201620525922 U CN201620525922 U CN 201620525922U CN 206037440 U CN206037440 U CN 206037440U
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- vacuum tube
- hot water
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- snakelike
- glass
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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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- 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
- Y02E10/47—Mountings or tracking
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a vacuum tube heat collection type solar water heater belongs to the photothermal technique field. This water heater includes vacuum tube collector array, heat preservation chamber, fixed bolster, holding water box, hot water store controller, temperature sensor, solenoid valve, this storage control method is integrated to the vacuum tube heat collector in with snakelike copper pipe, and water is heated in the vacuum tube through snakelike copper pipe, and the mesocycle is managed at copper to water, avoids forming the dead water region in the vacuum tube bottom and produces and pollute, has effectively solved the secondary pollution problem that traditional vacuum tube heat collector formed to water. In addition, through the hydrothermal storing process of design hot water store controller control, export the temperature range (45 that hot water temperature control is being fit for with the heat collector 50 DEG C), avoid high temperature to lead to the heat loss to increase, reached the purpose that improves system's thermal efficiency and reinforcing practicality. The utility model discloses processing technology is simple, and the cost is lower, the installation is simple and easy, has characteristics such as convenient to use.
Description
Technical field
The utility model is related to a kind of vacuum tube heat collection function formula solar water heater, belongs to photothermal technique field.
Background technology
With world energy sources crisis and increasingly serious environmental pollution, the exploitation of regenerative resource obtain countries in the world
Great attention and extensively support.The spy such as solar energy is as which is pollution-free, distribution is wide, outdoor energy density is big and nexhaustible
Point, has obtained widely studied in fields such as solar energy optical-thermal, photovoltaics and has utilized.In solar energy heat utilization, panel solar
Heat collector, vacuum tube collector are the core components of solar water heating system photothermal deformation.Wherein, flat-plate solar collector can
It is divided into tube-sheet type, wing pipe type, flat box-like, coil pipe type etc., due to being limited by its structure, heat loss is larger for flat plate collector, it is real
Border works the thermal efficiency less than 55%.Vacuum tube solar heating element is different according to its structure, can be divided into all-glass vacuum tube thermal-arrest
Device and metal absorber vacuum tube collector.Glass vacuum pipe heat collector adopts double glazing tubular construction, and which is utilized outside inner tube
Plated surface absorbed layer improves solar absorptance and reduces its thermal emissivity, reaches the purpose for improving photo-thermal conversion efficiency, has
The features such as simple structure, low cost, high thermal efficiency.In use, vacuum tube is directly connected to all-glass vacuum tube with attemperater,
Water is heated by thermal convection current, heat exchange pattern in vacuum tube, realizes carrying out heat exchange with the water in attemperater.But, lean on
The coolant-temperature gage convection heat transfer' heat-transfer by convection that brings of change is simultaneously insufficient, therefore, there is " dead band " of water circulation in vacuum bottom of the tube, cause bottom to be deposited
At " stagnant water ", increase with use time, bottom " stagnant water " becomes sewage, hot water in vacuum heat collection pipe heat collector is generated secondary
Pollution.At present, water pollution has become the subject matter of all-glass vacuum tube.For reducing pollution of the vacuum heat collection pipe to water, metal
Absorber glass-vacuum tube is designed and prepared, and metal absorber glass-vacuum tube can be divided into heat pipe-type, concentric tubes by structure
The various ways such as formula, heat storage type, interior light collecting and through type, can effectively alleviate the problem of all-glass vacuum tube water pollution, but by
In its thermal-collecting tube complicated process of preparation, high cost, poor practicability are not used widely.
At present, it is in solar water heating system, preparation process is simple, low cost, pollution-free, easy to install and use, practical
The high also no relevant report of solar vacuum-tube water system of property.
Utility model content
The purpose of this utility model is the technological deficiency for overcoming existing vacuum tube collector, designs a kind of processing technology letter
A kind of single, pollution-free, inexpensive, easy to use vacuum tube heat collection function solar water heater, by hot water storage control, controls
Hot water storing process, improves collecting efficiency and the practicality of solar water heating system.
The purpose of this utility model is achieved through the following technical solutions.
A kind of vacuum tube heat collection function solar water heater, including：Snakelike vacuum tube collector array, incubation cavity, fixed support,
Attemperater, hot water storage control, temperature sensor, magnetic valve.
The snakelike vacuum tube collector array is by glass-vacuum tube, copper tube serpentine, shell fragment support, thermal-insulating sealing cover group
Into for converting the solar into heat energy；Wherein glass-vacuum tube be inner and outer pipes double-decker, inner tube outer surface coating ahsorption membrane
Layer, is conducive to improving solar radiative absorption rate and reduces its emissivity.Space between glass-vacuum tube inner and outer pipes is vacuum layer,
For reducing because of heat loss caused by cross-ventilation, conduction.Copper tube serpentine is arranged on the inside of glass-vacuum tube, is that current lead to
Pipe, is to increase heating surface area of the copper pipe in glass-vacuum tube using the purpose of serpentine configuration, extends water in glass-vacuum tube
In circulation distance, increase heat time of the water in vacuum tube, improve water programming rate.Shell fragment support is arranged on snakelike copper
Bottom of the tube, for the fixation to copper tube serpentine.Thermal-insulating sealing cover is the polypropylene plastics cover that top is provided with out two circular holes, for right
The sealing thermal insulation of glass-vacuum tube openend, outlet of two circular holes as copper pipe.Connected by copper pipe between each vacuum tube, constitute snake
Shape vacuum tube collector array.Cold water is flowed into by the left end cold water inlet of vacuum tube collector array, by right-hand member hot water after heating
The port of export flows out.
Incubation cavity is made up of aluminum alloy casing, rubber tube and mineral wool, for insulation and snakelike vacuum tube collector array
Fixation；Rubber tube is inner tube, and aluminium alloy is shell, and internal filling glass cotton is used for being incubated.Incubation cavity left end leaves cold water pipe
Entrance, right-hand member leave hot-water line outlet.
Fixed support is made up of fixing groove, right side fix bar and left side fix bar, for fixing vacuum tube collector array；
Fixing groove adopts aluminum alloy materials, left and right side fix bar to adopt aluminum alloy square tube, for groove and the top incubation cavity aluminium of being connected
Alloy shell, realizes the fixation to snakelike vacuum tube collector array.
Attemperater is used for storing snakelike vacuum tube collector array output hot water, and its volume can be according to vacuum tube collector
Array area is determining.
Temperature sensor is made up of PT100 RTDs and temperature transmitter, is raised using platinum resistance temperature, and resistance value increases
Principle, hot water temperature in vacuum tube collector array is detected by the change of PT100 resistances.Temperature transmitter, is that voltage is defeated
Go out type, temperature range is 0-200 DEG C, and output voltage is 1-5V, for the change of RTD resistance (water temperature) is converted to voltage,
Control signal is provided for hot water storage control.
Hot water storage control is made up of single chip computer AT MG89c51 and its interface circuit etc., and which can be according to hot water temperature's electricity
Pressure signal, is AD converted, computing, the control signal of output control magnetic valve open and close.
Magnetic valve is the actuator of hot water used in system storing process control, and which can be according to hot water storage control output signal control
The storing process of attemperater hot water processed.
Annexation between above-mentioned building block is as follows：
Copper tube serpentine is arranged in glass-vacuum tube, and thermal-insulating sealing cover leads to positioned on the top of glass-vacuum tube, copper tube serpentine
Cross two circular hole of thermal-insulating sealing cover and snakelike vacuum tube collector array, connecting copper pipe and glass-vacuum tube upper end are composed in series by copper pipe
It is embedded in incubation cavity, the lower end of snakelike vacuum tube collector array is embedded in support bracket fastened fixing groove, left and right fix bar
It is connected with the aluminum alloy casing of incubation cavity and fixing groove, stablizes snakelike vacuum tube collector array, snakelike vacuum tube collector battle array
The cold water oral siphon of row by connecting with running water pipe on the left of incubation cavity, hot water outlet pipe by incubation cavity respectively with hot water valve and
The arrival end of magnetic valve connects, and magnetic valve water side is connected to the water inlet of attemperater, preserves snakelike vacuum tube collector battle array
Row output hot water, temperature sensor are installed in the hot water outlet pipe of snakelike vacuum tube collector array, temperature sensor (5)
Voltage output terminates to the signal input part of hot water storage control, and hot water storage control (4) output terminates to magnetic valve
Control end, the open and close working condition of magnetic valve are determined by hot water temperature in hot water outlet pipe.Beneficial effect
The utility model proposes solar vacuum-tube water system and its hot water storage control methods, copper tube serpentine is integrated
To in vacuum tube collector, water Jing copper tube serpentines are heated in vacuum tube, are on the one hand effectively utilized vacuum tube collector heat
The characteristics of efficiency high, on the other hand, water is circulated in copper pipe, it is to avoid is formed slough in vacuum bottom of the tube and is produced pollution, effectively
Solve the problems, such as the secondary pollution that traditional vacuum tube heat collector is formed to water.In addition, by designing hot water memory controller controls
Heat collector is exported hot water temperature's control in the temperature range (45-50 DEG C) being adapted to, it is to avoid high temperature causes by the storing process of hot water
Heat loss increases, and has reached the purpose for improving system thermal efficiency and strengthening practicality.Meanwhile, system processing technology is simple, cost
Relatively low, installation is simple, and vacuum tube collector array may be installed the positions such as balcony, wall, and attemperater can be rest directly upon room
It is interior, with it is easy to use the features such as.
Description of the drawings
Fig. 1 is vacuum tube collector system composition schematic diagram of the present utility model；
Fig. 2 is vacuum ports stay-warm case generalized section of the present utility model；
Fig. 3 is hot water storage control hot water of the present utility model storage control；
Fig. 4 is hot water storage control hardware composition schematic diagram of the present utility model；
Fig. 5 is hot water storage control software flow pattern of the present utility model.
In figure, the snakelike vacuum tube collector arrays of 1-, 2- incubation cavities, 3- attemperaters, 4- hot water storage controls, 5- temperature
Degree sensor, 6- magnetic valves, fix bar, 9- fixing grooves, 10- glass-vacuum tubes, the snakelike copper of 11- on the right side of fix bar, 8- on the left of 7-
Pipe, 12- Al alloy shells, 13- rubber plastic pipes, 14- mineral wools, 15- cold water oral siphons, 16- hot water outlet pipes, 17- hot water valves, 18-
Shell fragment support, 19- thermal-insulating sealing covers, 20- attemperater outlet valves, 21- fixed supports.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in further details.
As shown in figure 1, a kind of vacuum tube heat collection function solar water heater, including：Snakelike vacuum tube collector array 1, insulation
Chamber 2, fixed support 21, attemperater 3, hot water storage control 4, temperature sensor 5, magnetic valve 6.
The snakelike vacuum tube collector array is used for converting the solar into heat energy, by glass-vacuum tube 10, snakelike copper
Pipe 11, shell fragment support 18, thermal-insulating sealing cover 19 are constituted；
The feature of snakelike vacuum tube collector array 1 is：
(1), glass-vacuum tube 10 is inner and outer pipes double-decker, and material adopts Pyrex, inner tube outer surface coating ahsorption membrane
Layer, improves solar radiative absorption rate and reduces its emissivity, and the space between the inner and outer pipes of glass-vacuum tube 10 is vacuum layer, is subtracted
It is little because of cross-ventilation, cause heat loss, wherein, the light transmittance requirement of outer glass tube is more than more than 89%, inner tube absorbed layer
Absorptivity should be greater than 93%, emissivity should be less than 5%, vacuum≤5 × 10 between inner and outer pipes-2Pa, diameter of inner pipe is
4.8cm。
(2), copper tube serpentine 11 is arranged on the inside of glass-vacuum tube 10, is current siphunculus, and material is high, easily using thermal conductivity
In the copper pipe of deformation processing, it is to increase heating surface area of the copper pipe in glass-vacuum tube 10 using serpentine configuration purpose, extends
Circulation distance of the water in glass-vacuum tube 10, increases heat time of the water in glass-vacuum tube 10, improves the intensification speed of water
Degree, in the snakelike processing of copper pipe, maximum curvature radius can not be more than 10 diameter of inner pipe of glass-vacuum tube, and shell fragment support 18 is arranged on
11 bottom of copper tube serpentine, for the fixation to copper tube serpentine 11.
(3), 10 port thermal-insulating sealing cover 19 of glass-vacuum tube selects thermal conductivity low (less than 0.2W/m.k), high temperature resistant (molten
Point is more than 180 DEG C) and polypropylene plastics cover easy to process, structure as shown in Fig. 2 top be provided with out two circular holes for install company
Copper pipe is connect, in fig. 2, the diameter dn of plug portion requires, interior plug consistent with the internal diameter of glass-vacuum tube 10 in thermal-insulating sealing cover 19
Thickness t2Require more than 4cm, the wide t1 of 19 bayonet socket of thermal-insulating sealing cover requires consistent with the port thickness of glass of glass-vacuum tube 10.
(4), in each glass-vacuum tube 10, copper tube serpentine 11 is contacted by copper pipe, and the quantity of glass-vacuum tube 10 of contacting is by user
The decision of the factors such as the solar irradiance to hot water amount and territory of use, leaves cold water such as on the left of snakelike vacuum tube collector array 1
Water pipe 15, right side leave hot water outlet pipe 16.
The fixed support 21 is used for fixing snakelike vacuum tube collector array 1, by fixing groove 9, left side fix bar 7 and the right side
Side fix bar 8 is constituted, and fixing groove 9 adopts aluminium alloy, left side fix bar 7, right side fix bar 8 to be used for connecting the fixing groove 9 of bottom
With the Al alloy shell 12 of incubation cavity 2, the fixation to snakelike vacuum tube collector array 1 is realized.
The incubation cavity 2 is used for the fixation and insulation of snakelike 1 upper port of vacuum tube collector array and connecting copper pipe, insulation
The feature in chamber 2 is：
(1), 2 double-decker of incubation cavity, nexine require to select easy to process, good heat preservation performance and heat-resist material, if
Meter is nexine from rubber tube 13, and outer layer is from the high aluminum alloy materials of easy to process, intensity, design Al alloy shell 12.
(2), 13 bottom of rubber tube is provided with circular empty and strip groove, for installing upper end and the company of fixed glass-vacuum tube
Connect copper pipe.Al alloy shell 12 is installed at the outside of rubber tube 13, and in playing reinforcing incubation cavity 2 and the support 21 that is connected, left side is solid
The effect of fixed pole 7, right side fix bar 8, is used for being incubated in 13 inside filling glass cotton 14 of rubber tube.It is cold water on the left of incubation cavity 2
Inlet tube 15, right side are hot water outlet pipe 16.
The attemperater 3 exports hot water due to depositing snakelike vacuum tube collector array 1, and its volume can be according to snakelike true
1 area of blank pipe collector array determines.
The temperature passes device 5 and is made up of PT100 RTDs and temperature transmitter, as shown in figure 4, raised using its temperature,
The characteristics of resistance value increases, by monitoring the difference of its resistance value, measurement temperature.
It is characterized by：
(1), temperature-coefficient of electrical resistance is 3.9 × 10-3/ DEG C, and when 0 DEG C, resistance value is 100 Ω, and resistance change rate is 0.3851
Ω/℃。
(2), RTD is arranged in incubation cavity output end of hot water copper pipe.
(3), temperature transmitter, is voltage output type, and which is used for for the change of RTD resistance (water temperature) being converted to voltage
Signal, is that hot water storage control 4 provides control signal, and its temperature range is 0-200 DEG C, and output voltage is 1-5V, voltage temperature
Degree rate of change is 20mV/ DEG C, and when temperature is 0 DEG C, RTD resistance is 100 Ω, and output voltage is 1V.
The hot water storage control 4 is calculated using sluggish control control according to 5 output temperature information of voltage of temperature sensor
Method, completes the A/D conversions to hot water temperature and computing, output electricity by ADC0809, AT89C51 system and its interface circuit etc.
Magnet valve open and close control signal, realizes the control to hot water storing process.It is characterized by：
(1), hot water control algorithm adopts sluggish control algolithm, control process to include three states：Temperature control initial state, liter
Warm hold mode and storage state of a control.
Temperature control initial state：When in system starts or copper pipe, water temperature is not up to 45 DEG C, hot water storage control 4 works
In temperature control initial state, 6 closed mode flag bit of magnetic valve is " 1 ", and magnetic valve 6 is closed, and glass-vacuum tube 10 is
Water is heated, and water temperature gradually rises；
Intensification hold mode：When in hot water outlet pipe 16, water temperature reaches 45 DEG C, and magnetic valve in hot water storage control 4
Under conditions of 6 closed mode flag bits are " 1 ", hot water storage control 4 is operated in intensification hold mode, and magnetic valve 6 is in pass
Closed state, in copper pipe, water temperature gradually rises, and when hot water temperature reaches 50 DEG C, intensification hold mode terminates, hot water storage control
Device 4 enters storage state of a control, while being " 0 " by 6 closed mode flag bit of magnetic valve, 6 open state mark position of magnetic valve is
“1”；
Storage state of a control：When hot water temperature reaches 50 DEG C, hot water storage control 4 is operated in storage state of a control, control
Device output solenoid valve processed 6 opens (high level) drive signal, and hot water is stored in incubator, meanwhile, water temperature can be gradually lowered, and work as water
When temperature is reduced to 45 DEG C, 4 output solenoid valve 6 of hot water storage control turns off (low level) drive signal, and hot water stops storage, heat
Water storage control 4 enters soaking condition, and is " 0 " by 6 open state mark position of magnetic valve, 6 closed mode mark of magnetic valve
Position is " 1 ", and under the conditions of solar irradiation, the circulation of hot water storage control 4 is operated in intensification and keeps and store state of a control, its
Control process is as shown in Figure 3.
(2), the composition of hot water storage control 4, the hardware system and software systems including hot water storage control 4, its
In, hardware system includes：ADC0809, AT89C51 system and its peripheral drive circuit etc., theory of constitution is as shown in Figure 4.It is soft
Part system, realizes AD conversion control using inquiry mode, mainly turns including system initialization, setting AD conversion control signal, AD
Change inquiry, system running state and judge and control and control signal output etc. that control program flow chart is as shown in Figure 5.
(3) setting of 45-50 DEG C of hot water temperature, the main thermal efficiency for considering balance solar energy system and practicality, are stored.
In solar water heating system, in system, hot water temperature is higher, and system heat loss is bigger, but, hot water used in system temperature is lower, real
It is deteriorated with property.Optimal domestic water temperature have a bath for 39 DEG C in view of people, by between hot water used in system temperature control 45-50 DEG C, this
Sample both can guarantee that hot water temperature in attemperater 3 met the requirement of domestic water, makes system work at a lower temperature again, realizes
Balance between the thermal efficiency of system and practicality.
The magnetic valve 6 is the actuator of hot water used in system storing process control, according to 4 output signal of hot water storage control
The storing process of control 3 hot water of attemperater.
Annexation between above-mentioned building block is as follows：
Copper tube serpentine 11 is arranged in glass-vacuum tube 10, and thermal-insulating sealing cover 19 is positioned on the top of glass-vacuum tube 10, snake
Shape copper pipe 11 is composed in series snakelike vacuum tube collector array 1 by 19 liang of circular holes of thermal-insulating sealing cover by copper pipe, connecting copper pipe with
10 upper end of glass-vacuum tube is embedded in incubation cavity 2, and the lower end of snakelike vacuum tube collector array 1 is embedded into fixed support 21
In fixing groove 9, the aluminum alloy casing 12 of left fix bar 7, right fix bar 8 and incubation cavity 2 and fixing groove 9 are connected, and stablize snakelike true
Blank pipe collector array 1, the cold water oral siphon 15 of snakelike vacuum tube collector array 1 pass through on the left of incubation cavity 2 and running water pipe
Connect, hot water outlet pipe 16 is connected with the arrival end of hot water valve 17 and magnetic valve 6 respectively by incubation cavity 2,6 water side of magnetic valve
The water inlet of attemperater 3 is connected to, snakelike vacuum tube collector array 1 is preserved and is exported hot water, temperature sensor 5 is installed to snake
In the hot water outlet pipe 16 of shape vacuum tube collector array 1, the voltage output of temperature sensor 5 terminates to hot water storage control
4 signal input part, the output of hot water storage control 4 terminate to the control end of magnetic valve 6, the open and close working condition of magnetic valve 6
Determined by hot water temperature in hot water outlet pipe 16.
The course of work of the system is as follows：
First, the snakelike vacuum tube collector arrays of solar energy Jing 1 are converted to heat energy, are the snake in 1 inner chamber of glass-vacuum tube
Shape copper pipe 11 is heated, and cold water is entered by 1 left side cold water oral siphon 15 of snakelike vacuum tube collector array, by left-to-right by snakelike
Copper tube serpentine 11 in vacuum tube collector array 1 is heated, and is flowed out by right side hot water outlet pipe 16.Output hot water temperature height by
Solar energy irradiation level, environment temperature, flow and water time of staying etc. in copper tube serpentine determines.For improving system thermal efficiency and increasing
The practicality of strong system, devises hot water storage control 4, using hot water temperature in the detection hot water outlet pipe of temperature sensor 5
Information, by hot water storage control 4 using sluggish control algolithm, is controlled hot water at 45-50 DEG C by controlling magnetic valve 6, and
It is stored in attemperater, so makes system be operated in suitable temperature, reduce heat loss, while meet the needs of domestic water,
Reach the purpose for improving system thermal efficiency and strengthening system practicality.Meanwhile, hot water used in system can be also user by hot water valve 17
Directly use.In addition, snakelike vacuum tube collector array of the present utility model 11 may be installed the positions such as balcony, wall, insulation
Water tank 3 is rest directly upon interior, with it is easy to install the features such as.
Claims (2)
1. a kind of vacuum tube heat collection function formula solar water heater, it is characterised in that include：Snakelike vacuum tube collector array (1), protect
Warm chamber (2), fixed support (21), attemperater (3), hot water storage control (4), temperature sensor (5), magnetic valve (6)；
The snakelike vacuum tube collector array is close by glass-vacuum tube (10), copper tube serpentine (11), shell fragment support (18), insulation
Sealing cover (19) is constituted, for converting the solar into heat energy；Wherein glass-vacuum tube be inner and outer pipes double-decker, inner tube outer surface
Coating ahsorption membrane layer, is conducive to improving solar radiative absorption rate and reduces its emissivity；Space between glass-vacuum tube inner and outer pipes
For vacuum layer, for reducing because of heat loss caused by cross-ventilation, conduction；Copper tube serpentine is arranged on the inside of glass-vacuum tube,
It is current siphunculus, is to increase heating surface area of the copper pipe in glass-vacuum tube using the purpose of serpentine configuration, extends water in glass
Circulation distance in glass vacuum tube, increases heat time of the water in vacuum tube, improves the programming rate of water；Shell fragment support is installed
In copper tube serpentine bottom, for the fixation to copper tube serpentine；Thermal-insulating sealing cover is the polypropylene plastics that top is provided with out two circular holes
Cover, for the sealing thermal insulation to glass-vacuum tube openend, outlet of two circular holes as copper pipe；Connected by copper pipe between each vacuum tube
Connect, constitute snakelike vacuum tube collector array；Cold water by vacuum tube collector array left end cold water inlet flow into, after heating by
Flow out at right-hand member hot water outlet end；
Incubation cavity (2) is made up of aluminum alloy casing (12), rubber tube (13) and mineral wool (14), for insulation and snakelike vacuum tube
The fixation of collector array；Rubber tube is inner tube, and aluminium alloy is shell, and internal filling glass cotton is used for being incubated；Incubation cavity left end
Cold water tube inlet is left, right-hand member leaves hot-water line outlet；
Fixed support (21) is made up of fixing groove (9), right side fix bar (7) and left side fix bar (8), for fixing vacuum tube collection
Hot device array；Fixing groove adopts aluminum alloy materials, left and right side fix bar to adopt aluminum alloy square tube, for be connected groove and
Portion's incubation cavity aluminum alloy casing, realizes the fixation to snakelike vacuum tube collector array；
Attemperater (3) is used for storing snakelike vacuum tube collector array output hot water, and its volume is according to vacuum tube collector battle array
Row area is determining；
Temperature sensor (5) is made up of PT100 RTDs and temperature transmitter, is raised using platinum resistance temperature, and resistance value increases
Principle, hot water temperature in vacuum tube collector array is detected by the change of PT100 resistances；Temperature transmitter, is that voltage is defeated
Go out type, temperature range is 0-200 DEG C, and output voltage is 1-5V, for the change of RTD resistance (water temperature) is converted to voltage,
Control signal is provided for hot water storage control；
Hot water storage control (4) is made up of single chip computer AT MG89c51 and interface circuit, according to hot water temperature's voltage signal, is entered
Row AD conversion, computing, the control signal of output control magnetic valve open and close；
Magnetic valve (6) is the actuator of hot water used in system storing process control, is protected according to the control of hot water storage control output signal
The storing process of reservoir hot water.
2. a kind of vacuum tube heat collection function formula solar water heater according to claim 1, it is characterised in that：Each building block it
Between annexation it is as follows：
Copper tube serpentine (11) is arranged in glass-vacuum tube (10), and thermal-insulating sealing cover (19) is positioned on the top of glass-vacuum tube (10)
End, copper tube serpentine (11) are composed in series snakelike vacuum tube collector array (1) by (19) two circular hole of thermal-insulating sealing cover by copper pipe,
Connecting copper pipe is embedded in incubation cavity (2) with glass-vacuum tube (10) upper end, and the lower end of snakelike vacuum tube collector array (1) is embedding
Enter in the fixing groove (9) of fixed support (21), the right side fix bar (7) of fixed support (21), left side fix bar (8) with insulation
The aluminum alloy casing (12) in chamber (2) is connected with fixing groove (9), stablizes snakelike vacuum tube collector array (1), snakelike vacuum tube collection
By connecting with running water pipe on the left of incubation cavity (2), hot water outlet pipe (16) passes through the cold water oral siphon (15) of hot device array (1)
Incubation cavity (2) is connected with the arrival end of hot water valve (17) and magnetic valve (6) respectively, and magnetic valve (6) water side is connected to insulation water
The water inlet of case (3), preserves snakelike vacuum tube collector array (1) output hot water, and temperature sensor (5) is installed to snakelike vacuum
In the hot water outlet pipe (16) of pipe collector array (1), the voltage output of temperature sensor (5) terminates to hot water storage control
(4) signal input part, hot water storage control (4) output terminate to the control end of magnetic valve (6), the open and close of magnetic valve (6)
Working condition is determined by hot water temperature in hot water outlet pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525922.9U CN206037440U (en) | 2016-06-03 | 2016-06-03 | Vacuum tube heat collection type solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525922.9U CN206037440U (en) | 2016-06-03 | 2016-06-03 | Vacuum tube heat collection type solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206037440U true CN206037440U (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620525922.9U Expired - Fee Related CN206037440U (en) | 2016-06-03 | 2016-06-03 | Vacuum tube heat collection type solar water heater |
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| CN (1) | CN206037440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953442A (en) * | 2016-06-03 | 2016-09-21 | 楚雄师范学院 | Vacuum tube heat collecting solar water heater and hot water storage control method |
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2016
- 2016-06-03 CN CN201620525922.9U patent/CN206037440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953442A (en) * | 2016-06-03 | 2016-09-21 | 楚雄师范学院 | Vacuum tube heat collecting solar water heater and hot water storage control method |
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