CN109442760A - A kind of energy-saving solar heat collector and its application method - Google Patents
A kind of energy-saving solar heat collector and its application method Download PDFInfo
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- CN109442760A CN109442760A CN201811529073.4A CN201811529073A CN109442760A CN 109442760 A CN109442760 A CN 109442760A CN 201811529073 A CN201811529073 A CN 201811529073A CN 109442760 A CN109442760 A CN 109442760A
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- water
- exchanging tube
- heat exchanging
- temperature
- water tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of energy-saving solar heat collectors, including water tank, trestle table, controller, water supply line, water return pipeline and multiple groups heat collector disposed in parallel；The heat collector includes outer glass pipe, inner glass tube, metallic heat exchanging tube I and metallic heat exchanging tube II, the inside of the inner glass tube is equipped with thermal conductive cavity, the column plug for sealing is equipped at the top end opening of the heat collector, the lower end of metallic heat exchanging tube I and metallic heat exchanging tube II pass through column plug and is inserted into thermal conductive cavity and is spirally wound together into；The metallic heat exchanging tube I water inlet end connection water supply line one end, the metallic heat exchanging tube II water outlet connection water return pipeline one end, the water supply line, water return pipeline the other end be respectively connected to water tank.The present invention improves heat exchanger effectiveness by the design of heat collector, and passes through the efficient intermittent duty of water circulating pump, and energy-saving and water-saving reduces thermal losses, improves heating efficiency.
Description
Technical field
The invention belongs to technical field of solar water heaters, and in particular to a kind of energy-saving solar heat collector and its make
Use method.
Background technique
Solar energy is a kind of renewable energy of cleanliness without any pollution as a kind of new energy.Solar water heating system be with
Absorption solar radiant energy is heat source, and solar energy is switched to thermal energy to achieve the purpose that the package unit for heating water, including solar energy
Heat collector, heat-storing device, circulating pipeline device etc..Heat collector product mainly has flat, all-glass vacuum tube type, heat pipe
Formula, U-tube formula are several, although there are many type of solar thermal collector, in practical applications using more still plate
Based on formula, all-glass vacuum tube type, heat collector appropriate should be selected according to local climate feature and installation requirement.
The chicken farm of applicant company is located at Qingdao Laixi City, belongs to temperate continental climate, annual daily mean temperature 11.7
DEG C, January is most cold, and -3.3 DEG C of temperature on average, July is most hot, and 25.3 DEG C of temperature on average, annual sunshine time 2656 hours,
Solar energy year, amount of radiation was about in 5016-5852MJ/m2.By the synoptic analysis to nine chicken farms, comprehensive common two kinds of collection
Binding ability and occupation rate of market of price, thermal-arrest and pressure-bearing and building etc. factor, final choice use hot device again
All-glass vacuum tube type heat collector.But the solar energy heat collector of the prior art is in use, circulating pump is transported always
Row, not only consumes a large amount of energy, shortens the service life of water circulating pump, also causes water temperature over-high and spare time in water tank
It sets, and the heat collector technical problem lower there is also heat exchanger effectiveness now.
Summary of the invention
In view of the drawbacks of the prior art and insufficient, the present invention provides a kind of energy-saving solar heat collectors.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of energy-saving solar heat collector, including water tank, trestle table, controller, water supply line, water return pipeline with
And the upper end of trestle table is arranged in multiple groups heat collector disposed in parallel, the water tank, trestle table is arranged in the heat collector
On inclined surface；The heat collector includes outer glass pipe, inner glass tube, metallic heat exchanging tube I and metallic heat exchanging tube II, the outer glass
The end of glass pipe and inner glass tube is connected as one to be formed for heat-insulated vacuum cavity, and the inside of the inner glass tube, which is equipped with, leads
Hot chamber is marked with heat-conducting medium in the thermal conductive cavity, and the column plug for sealing is equipped at the top end opening of the heat collector, described
The lower end of metallic heat exchanging tube I and metallic heat exchanging tube II pass through column plug and are inserted into thermal conductive cavity and are spirally wound together into；Metal
Heat exchanger tube I is connected with the bottom of metallic heat exchanging tube II, one end of the water inlet end connection water supply line of the metallic heat exchanging tube I,
One end of the water outlet connection water return pipeline of the metallic heat exchanging tube II, the other end difference of the water supply line, water return pipeline
It is connected to water tank, the water return pipeline is equipped with the water circulating pump being electrically connected with controller.
Further, the cabinet of the water tank is disposed with tank shell, insulating layer and liner from the outside to the core.
Preferably, the water tank is also connected with the moisturizing pipeline being connected with external cold water source, sets in the moisturizing pipeline
There is water supply solenoid valve；Temperature sensor I is equipped in the water tank, the outlet end for the metallic heat exchanging tube being connected with water return pipeline is set
There is temperature sensor II, the water supply solenoid valve, temperature sensor I, temperature sensor II are electrically connected with controller respectively.
Preferably, coating for selective absorption is coated on the outer wall of the inner glass tube；The base portion of the column plug is additionally provided with
The sealing ring for preventing heat-conducting medium from overflowing.
Preferably, the metallic heat exchanging tube I and metallic heat exchanging tube II is all made of the copper tube that diameter is 37-70mm.
Preferably, the bottom of the vacuum cavity is equipped with spring support.
Preferably, the bottom of the vacuum cavity is additionally provided with the structure of cooling down for filling getter.
Preferably, damping, buffering is equipped between the bottom end and inner glass tube of the metallic heat exchanging tube I, metallic heat exchanging tube II
Pad.
Preferably, the bottom of the outer glass pipe is equipped with protective cap.
Further, the present invention also provides the application methods of the energy-saving solar heat collector, including following step
It is rapid:
(1) heat collector receives solar radiation, and temperature rises, when in the metallic heat exchanging tube II that temperature sensor II is measured
Water temperature, when the water temperature in water tank measured than temperature sensor I is 5-20 DEG C high, the starting of controller control loop water pump；
(2) when water circulating pump is run, change the low temperature water flow in water tank along the metal that water supply line enters heat collector
In heat pipe I, and heat exchange is carried out with heat-conducting medium in along metallic heat exchanging tube I, metallic heat exchanging tube II flow process, then passed through
It is back in water tank by water return pipeline；
(3) when the water temperature in metallic heat exchanging tube II is 0.5-5 DEG C higher than the water temperature in water tank, controller control loop water
It pumps out of service；
(4) with the continuous progress of temperature difference cycle, the water temperature in water tank is increased, when the water storage of temperature sensor I measurement
When water temperature is higher than set temperature I in case, controller controls water supply solenoid valve starting, cold water is filled into water tank, when in water tank
Water level stop filling into cold water when being lower than another set temperature II, repeat step (1)-(4).
Preferably, in step (1), when the water temperature in metallic heat exchanging tube II is 8 DEG C higher than the water temperature in water tank, controller control
Water circulating pump starting processed；In step (3), when the water temperature in metallic heat exchanging tube II is 2 DEG C higher than the water temperature in water tank, controller control
Water circulating pump processed is out of service；In step (4), the setting of set temperature I and set temperature II are set according to season, work as water tank
When middle topped up with water, cold water will be no longer filled into, and is always maintained at repetition step (1)-(4) temperature difference cycle, heat will all be taken to
In water tank.
Compared with prior art, the present invention has the advantage that
The present invention improves heat exchanger effectiveness by the design of heat collector, and passes through the efficient intermittent duty of water circulating pump,
Energy-saving and water-saving reduces thermal losses, improves heating efficiency, also ensures the service life and operational effect of water circulating pump.
Detailed description of the invention
Invention will be further explained below with reference to the drawings and examples..
Fig. 1 is the principle of the present invention schematic diagram；
Fig. 2 is the structural schematic diagram of heat collector unit in the present invention；
Appended drawing reference: 1, water tank；2, controller；3, water supply line；4, water return pipeline；5, heat collector；6, outer glass pipe；
7, inner glass tube；8, metallic heat exchanging tube I；9, metallic heat exchanging tube II；10, vacuum cavity；11, spring support；12, it cools down structure；
13, shock-absorbing buffer pad；14, protective cap；15, coating for selective absorption；16, thermal conductive cavity；17, column plug；18, sealing ring；19, it follows
Ring water pump；20, moisturizing pipeline；21, water supply solenoid valve；22, temperature sensor I；23, temperature sensor II.
Specific embodiment
The present invention will be further described in detail with reference to the specific embodiments.
Embodiment 1
As shown in Figs. 1-2, a kind of energy-saving solar heat collector, including water tank 1, trestle table, controller 2, water supply
The upper end of trestle table, the collection is arranged in pipeline 3, water return pipeline 4 and multiple groups heat collector 5 disposed in parallel, the water tank 1
Hot device 5 is arranged on the inclined surface of trestle table.The cabinet of the water tank 1 is disposed with tank shell, heat preservation from the outside to the core
Layer and liner (not shown).
The heat collector 5 includes outer glass pipe 6, inner glass tube 7, metallic heat exchanging tube I 8 and metallic heat exchanging tube II 9, institute
The end for stating outer glass pipe 6 and inner glass tube 7 is connected as one to be formed for vacuum cavity 10 that is heat-insulated, reducing heat loss.
The bottom of the vacuum cavity 10 is equipped with spring support 11, and the setting of spring support 11 can increase outer glass pipe 6 and interior glass
The stability in use of pipe 7 effectively reduces the risk that air inlet occurs for vacuum cavity 10.The bottom of the vacuum cavity 10 is additionally provided with Sheng
There is the structure 12 of cooling down of getter.The metallic heat exchanging tube I 8, metallic heat exchanging tube II 9 bottom end and inner glass tube 7 between set
There is shock-absorbing buffer pad 13, to avoid the damage because of heat collector 5 caused by hitting or being certain, thus extend heat collector 5 uses the longevity
Life.The bottom of the outer glass pipe 6 is equipped with the protective cap 14 for protecting 6 end of outer glass pipe, the inner glass tube 7 it is outer
The coating for selective absorption 15 that thermal energy is converted into convenient for luminous energy is coated on wall, the inside of the inner glass tube 7 is equipped with thermal conductive cavity 16,
The thermal conductive cavity 16 is marked with heat-conducting medium, and the column plug 17 for sealing, the column are equipped at the top end opening of the heat collector 5
The base portion of shape plug 17 is additionally provided with the sealing ring 18 for preventing heat-conducting medium from overflowing.The metallic heat exchanging tube I 8 and metallic heat exchanging tube II
9 lower end passes through column plug 17 and is inserted into thermal conductive cavity 16 and is spirally wound together into, by metallic heat exchanging tube I 8 and metal heat-exchange
Pipe II 9 is spirally wound together into as fried dough twist, can not only increase heat-conducting area, additionally it is possible to be extended water flow and be passed through in heat collector 5
The distance crossed makes water flow carry out sufficient heat exchange in heat collector 5, and compared to heat exchanger tube arranged side by side, spiral is twined
Around heat exchanger tube can more effectively utilize space, increase heat exchanger effectiveness.The metallic heat exchanging tube I 8 and metallic heat exchanging tube II 9
It is all made of the copper tube convenient for heat transfer that diameter is 37-70mm.The bottom phase of metallic heat exchanging tube I 8 and metallic heat exchanging tube II 9
Connection, one end of the water inlet end connection water supply line 3 of the metallic heat exchanging tube I 8, the water outlet of the metallic heat exchanging tube II 9
Connect water return pipeline 4 one end, the water supply line 3, water return pipeline 4 the other end be respectively connected to water tank 1, the return water
Pipeline 4 is equipped with the water circulating pump 19 being electrically connected with controller 2.
The water tank 1 is also connected with the moisturizing pipeline 20 being connected with external cold water source, and the moisturizing pipeline 20 is equipped with
Water supply solenoid valve 21.Temperature sensor I 22 is equipped in the water tank 1, the metallic heat exchanging tube being connected with water return pipeline 4 goes out
Mouthful end is equipped with temperature sensor II 23, the water supply solenoid valve 21, temperature sensor I 22, temperature sensor II 23 respectively with
Controller 2 is electrically connected.
The present invention also provides the application methods of the energy-saving solar heat collector, comprising the following steps:
(1) heat collector 5 receives solar radiation, and temperature rises, as the metallic heat exchanging tube II that temperature sensor II 23 is measured
Water temperature in 9, when the water temperature in water tank 1 measured than temperature sensor I 22 is 5-20 DEG C high, 2 control loop water pump of controller
19 startings.The setting of water temperature difference is preferably 8 DEG C, and the setting of actual temp is set according to season.
(2) when water circulating pump 19 is run, the low temperature water flow in water tank 1 is made to enter the gold of heat collector 5 along water supply line 3
Belong in heat exchanger tube I 8, and carries out heat with heat-conducting medium in along metallic heat exchanging tube I 8,9 flow process of metallic heat exchanging tube II
Exchange, is then flowed back in water tank 1 via water return pipeline 4.
(3) when the water temperature in metallic heat exchanging tube II 9 is 0.5-5 DEG C higher than the water temperature in water tank 1, the control of controller 2 is followed
Ring water pump 19 is out of service.The setting of water temperature difference is preferably 2 DEG C, and the setting of actual temp is set according to season.
(4) with the continuous progress of temperature difference cycle, the water temperature in water tank 1 is increased, and is measured as temperature sensor I 22
When water temperature is higher than set temperature I in water tank 1, controller 2 controls water supply solenoid valve 21 and starts, and fills into cold water to water tank 1, when
Water level in water tank 1 stops filling into cold water when being lower than another set temperature II, repeats step (1)-(4).It set temperature I and sets
The setting for determining temperature II is set according to the demand of season and raiser.When topped up with water in water tank 1, will no longer fill into cold
Water, and it is always maintained at repetition step (1)-(4) temperature difference cycle, heat is all taken in water tank 1.
The foregoing is merely the preferred embodiments of invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of energy-saving solar heat collector, including water tank, trestle table, controller, water supply line, water return pipeline and
The upper end of trestle table is arranged in multiple groups heat collector disposed in parallel, the water tank, and inclining for trestle table is arranged in the heat collector
On inclined-plane；It is characterized by: the heat collector includes outer glass pipe, inner glass tube, metallic heat exchanging tube I and metallic heat exchanging tube
The end of II, the outer glass pipe and inner glass tube is connected as one to be formed for heat-insulated vacuum cavity, the inner glass tube
Inside be equipped with thermal conductive cavity, heat-conducting medium is marked in the thermal conductive cavity, is equipped at the top end opening of the heat collector for sealing
Column plug, the lower end of the metallic heat exchanging tube I and metallic heat exchanging tube II pass through that column plug is inserted into thermal conductive cavity and spiral twines
Around together；Metallic heat exchanging tube I is connected with the bottom of metallic heat exchanging tube II, and the water inlet end of the metallic heat exchanging tube I, which connects, to be supplied
One end of waterpipe, one end of the water outlet connection water return pipeline of the metallic heat exchanging tube II, the water supply line, water return pipeline
The other end be respectively connected to water tank, the water return pipeline is equipped with the water circulating pump being electrically connected with controller.
2. energy-saving solar heat collector according to claim 1, it is characterised in that: the cabinet of the water tank is outside
Inwardly it is disposed with tank shell, insulating layer and liner.
3. energy-saving solar heat collector according to claim 2, it is characterised in that: the water tank be also connected with
The connected moisturizing pipeline of external cold water source, the moisturizing pipeline are equipped with water supply solenoid valve；Temperature is equipped in the water tank to pass
The outlet end of sensor I, the metallic heat exchanging tube being connected with water return pipeline are equipped with temperature sensor II, the water supply solenoid valve, temperature
Sensor I, temperature sensor II are electrically connected with controller respectively.
4. energy-saving solar heat collector according to claim 3, it is characterised in that: on the outer wall of the inner glass tube
It is coated with coating for selective absorption；The base portion of the column plug is additionally provided with the sealing ring for preventing heat-conducting medium from overflowing.
5. energy-saving solar heat collector according to claim 3, it is characterised in that: the metallic heat exchanging tube I and gold
Belong to heat exchanger tube II and is all made of the copper tube that diameter is 37-70mm.
6. energy-saving solar heat collector according to claim 3, it is characterised in that: the bottom of the vacuum cavity is set
There is spring support；The bottom of the vacuum cavity is additionally provided with the structure of cooling down for filling getter.
7. energy-saving solar heat collector according to claim 3, it is characterised in that: the metallic heat exchanging tube I, metal
Shock-absorbing buffer pad is equipped between the bottom end and inner glass tube of heat exchanger tube II.
8. energy-saving solar heat collector according to claim 3, it is characterised in that: pacify the bottom of the outer glass pipe
Equipped with protective cap.
9. according to the application method of the described in any item energy-saving solar heat collectors of claim 3-8, which is characterized in that packet
Include following steps:
(1) heat collector receives solar radiation, and temperature rises, the water in the metallic heat exchanging tube II that temperature sensor II is measured
Temperature, when the water temperature in water tank measured than temperature sensor I is 5-20 DEG C high, the starting of controller control loop water pump；
(2) when water circulating pump is run, the low temperature water flow in water tank is made to enter the metallic heat exchanging tube I of heat collector along water supply line
It is interior, and in along metallic heat exchanging tube I, metallic heat exchanging tube II flow process with heat-conducting medium carry out heat exchange, then via return
Waterpipe is back in water tank；
(3) when the water temperature in metallic heat exchanging tube II is 0.5-5 DEG C higher than the water temperature in water tank, controller control loop water pump stops
Only run；
(4) with the continuous progress of temperature difference cycle, the water temperature in water tank is increased, when in the water tank of temperature sensor I measurement
When water temperature is higher than set temperature I, controller controls water supply solenoid valve starting, cold water is filled into water tank, when the water in water tank
Stop filling into cold water when position is lower than another set temperature II, repeats step (1)-(4).
10. the application method of energy-saving solar heat collector according to claim 9, it is characterised in that: step (1)
In, when the water temperature in metallic heat exchanging tube II is 8 DEG C higher than the water temperature in water tank, the starting of controller control loop water pump；Step (3)
In, when the water temperature in metallic heat exchanging tube II is 2 DEG C higher than the water temperature in water tank, controller control loop water pump is out of service；Step
Suddenly in (4), the setting of set temperature I and set temperature II are set according to season, when topped up with water in water tank, will no longer be filled into
Cold water, and it is always maintained at repetition step (1)-(4) temperature difference cycle, heat is all taken in water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529073.4A CN109442760A (en) | 2018-12-14 | 2018-12-14 | A kind of energy-saving solar heat collector and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811529073.4A CN109442760A (en) | 2018-12-14 | 2018-12-14 | A kind of energy-saving solar heat collector and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109442760A true CN109442760A (en) | 2019-03-08 |
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ID=65558708
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811529073.4A Pending CN109442760A (en) | 2018-12-14 | 2018-12-14 | A kind of energy-saving solar heat collector and its application method |
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| JP2008185300A (en) * | 2007-01-31 | 2008-08-14 | Matsushita Electric Ind Co Ltd | Heat collector |
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| CN201497234U (en) * | 2009-07-31 | 2010-06-02 | 艾欧史密斯(中国)热水器有限公司 | Anti-burst solar heat collecting tube |
| CN104567046A (en) * | 2015-02-06 | 2015-04-29 | 昆明现代阳光太阳能有限公司 | Intelligent water supplementing method of solar water heater |
| CN206131479U (en) * | 2016-08-30 | 2017-04-26 | 李予新 | High performance thermal -arrest and heat transfer solar water heating system |
| CN209230035U (en) * | 2018-12-14 | 2019-08-09 | 莱西市产业技术研究院 | A kind of energy-saving solar heat collector |
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2018
- 2018-12-14 CN CN201811529073.4A patent/CN109442760A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275704A (en) * | 1999-06-01 | 2000-12-06 | 方俊杰 | Forced circulation type water circulation control method for solar energy water heater |
| CN1587858A (en) * | 2004-09-15 | 2005-03-02 | 黄永年 | Solar glass vacuum heat collecting tube |
| CN1828171A (en) * | 2005-03-03 | 2006-09-06 | 陈则韶 | Single-end sealed vacuum pipe type solar energy collector with built-in metal spiral pipe drum |
| JP2008185300A (en) * | 2007-01-31 | 2008-08-14 | Matsushita Electric Ind Co Ltd | Heat collector |
| CN101566392A (en) * | 2009-05-21 | 2009-10-28 | 上海交通大学 | Hierarchical solar middle and high temperature air heating device |
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| CN201497234U (en) * | 2009-07-31 | 2010-06-02 | 艾欧史密斯(中国)热水器有限公司 | Anti-burst solar heat collecting tube |
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