CN202885295U - Intelligent solar water heater circulating system - Google Patents
Intelligent solar water heater circulating system Download PDFInfo
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- CN202885295U CN202885295U CN2012206142939U CN201220614293U CN202885295U CN 202885295 U CN202885295 U CN 202885295U CN 2012206142939 U CN2012206142939 U CN 2012206142939U CN 201220614293 U CN201220614293 U CN 201220614293U CN 202885295 U CN202885295 U CN 202885295U
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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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Abstract
The utility model relates to the technical field of water heaters, and in particular relates to an intelligent solar water heater circulating system. The intelligent solar water heater circulating system is characterized in that a solar heat-absorbing tube is arranged in an inclined groove of a solar heat-absorbing corrugated plate, the upper end of the solar heat-absorbing tube is in an opening shape, and the solar heat-absorbing tube is communicated with a nanofluid storage box of a carbon nano tube; the upper end of a heat exchange water tank is provided with a liquid level sensor and an exhaust valve respectively; the lower end in a heat insulation water tank, which is close to the joint between the heat insulation water tank and a hot water pipe, is provided with a temperature sensor; when the water temperature is lower than a using temperature set value, a circulating pump is started to discharge water in the heat insulation water tank into the heat exchange water tank to be reheated through a one-way valve; and when the water temperature in the heat insulation water tank meets the using requirement, the temperature sensor controls the circulating pump to be closed and stops working. The intelligent solar water heater circulating system has the beneficial effects that the nanofluid in the carbon nano tube serves as a heat exchange medium, so that the heat exchange efficiency and heat transfer capacity are improved; the water level of the heat exchange water tank is monitored by employing the liquid level sensor, and a solenoid valve is controlled to realize automatic water supply; and moreover, the water temperature in the heat insulation water tank is monitored by employing the temperature sensor, and cold water is recycled.
Description
Technical field
The utility model relates to a kind of enhanced heat exchange and technical field of water heaters, i.e. a kind of solar water heater intelligent circulation system.
Background technology
In today of global energy situation anxiety, climate warming serious threat economic development and people's life health, countries in the world all seeking new energy substitution strategy, obtain superiority in the hope of sustainable development with in development in the future.Solar energy with its cleaning, continually, safety etc. significant advantage, become focal point.Solar water heater is exactly to utilize the energy of the sun with the device of water from the low-temperature heat to high temperature, is a kind of heat energy product, and the solar energy energy transform into heat energy is mainly relied on thermal-collecting tube.Thermal-collecting tube is subjected to solar radiation to absorb solar energy, and by thermal-collecting tube and cold water generation heat exchange, the principle of utilizing hot water floating cold water to sink makes the water generates microcirculation and reaches required hot water.Solar water heater is exactly the radiant heat energy that absorbs the sun, and the heats cold water extraction is supplied with the energy-saving equipment that people use in life, production.But the thermal-collecting tube of solar product is the heat that utilizes vacuum transfer sun energy at present, and conducting power and the coefficient of heat transfer are low, causes heat utilization efficiency to reduce, and impact is normally used.By the enhanced heat exchange theory as can be known, the heat-transfer capability of solid material is much larger than liquids and gases, and the thermal conductivity factor of solid material is more much larger than liquid, gas material.Table 1 has contrasted the thermal conductivity value of solid and fluent material, can judge thus, and the capacity of heat transmission of liquid heat transfer medium that is suspended with metal, nonmetal or polymer solid particles is large more many than neat liquid, higher than pure gas.If in the solar water heater heat transferring medium, add solids, can significantly increase the thermal conductivity factor of heat transferring medium, improve the ability that heat is transmitted, greatly remedy the low defective of present water-heater heat-exchanging media for heat exchange utilization rate.In addition, also adopt the water level of liquid level sensor monitoring heat-exchanging water tank, the control magnetic valve is realized automatic watering; Adopt the water temperature in the temperature sensor monitors attemperater, realize the recirculation of cold water utilization, turn on the valve hot-water line and will flow out hot water, avoided the past that ducted cold water is wasted, saved valuable water resource.Solved preferably present solar water heater heat exchange and the low difficult problem of conducting power, and realized that automatic control adds the recycling of water and cold water.
The thermal conductivity factor of several common used materials of table 1
Summary of the invention
The purpose of this utility model is: provide a kind of heat exchange and conducting power higher heat-exchange working medium, can significantly improve the solar water heater intelligent circulation system of heat exchange efficiency and heat-transfer capability.
Above-mentioned purpose is realized by following technical scheme: develop a kind of solar water heater intelligent circulation system, comprise water main, ring flange, magnetic valve, water inlet pipe, check valve, solar energy heat absorption pipe, solar energy heat absorbing corrugated sheet, carbon nanotube fluid storage case, heat-exchanging water tank, liquid level sensor, air bleeding valve, heat exchanger, carbon nanotube fluid circulation pump, attemperater, circulating pump, temperature sensor and hot-water line.Be characterized in: said water main links by ring flange and magnetic valve; Heat-exchanging water tank lower-left end links to each other with magnetic valve by water inlet pipe, and upper right side links to each other with attemperater by outlet pipe.
Said solar energy heat absorption pipe is placed in the solar energy heat absorbing corrugated sheet inclined plane groove, its the upper end for opening shape and and the carbon nanotube fluid storage tank connect, the carbon nanotube fluid storage tank links to each other with heat exchanger, carbon nanotube fluid circulation pump by pipeline.
Splendid attire carbon nanotube fluid heat transfer working medium in the said carbon nanotube fluid storage tank.
Said carbon nanotube fluid heat transfer working medium is to be mixed by carbon nanotube particle and water, and the volume content of carbon nanotube particle is 40vol%, and the average grain diameter of carbon nanotube particle is 93nm.
Said circulating pump is installed in the attemperater, and its upper end links to each other with water inlet pipe by check valve.
Said heat-exchanging water tank upper end is separately installed with liquid level sensor and air bleeding valve.
Lower end near the hot-water line outlet in the said attemperater is equipped with temperature sensor.
Said air bleeding valve is check valve.
Said magnetic valve is two position three way directional control valve.
The beneficial effects of the utility model are: adopt the stronger carbon nanotube fluid of heat exchange and conducting power to improve heat exchange efficiency and heat-transfer capability as heat-exchange working medium; Adopt the water level of liquid level sensor monitoring heat-exchanging water tank, the control magnetic valve is realized automatic watering; Adopt the water temperature in the temperature sensor monitors attemperater, realize the recirculation of cold water utilization.Solved preferably present solar water heater heat exchange and the low difficult problem of conducting power, and realized that automatic control adds the recycling of water and cold water.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment;
Fig. 2 is the schematic diagram of the magnetic valve of this embodiment;
Fig. 3 is solar energy heat absorption pipe and the solar energy heat absorbing corrugated sheet scheme of installation of this embodiment.
Among the figure as seen: water main 1, ring flange 2, magnetic valve 3, check valve 4, solar energy heat absorption pipe 5, solar energy heat absorbing corrugated sheet 6, carbon nanotube fluid storage case 7, heat-exchanging water tank 8, liquid level sensor 9, air bleeding valve 10, heat exchanger 11, carbon nanotube fluid circulation pump 12, attemperater 13, circulating pump 14, temperature sensor 15, hot-water line 16, water inlet pipe 17, outlet pipe 18, carbon nanotube fluid 19.
The specific embodiment
The total design of the utility model is to adopt the carbon nanotube fluid to improve heat exchange efficiency and heat-transfer capability as heat-exchange working medium; Adopt the water level of liquid level sensor monitoring heat-exchanging water tank, the control magnetic valve is realized automatic watering; Adopt the water temperature in the temperature sensor monitors attemperater, realize the recirculation of cold water utilization.Introduce a kind of embodiment below in conjunction with accompanying drawing: Figure 1 shows that the structural representation of solar water heater intelligent circulation system, consisted of by water main 1, ring flange 2, magnetic valve 3, check valve 4, solar energy heat absorption pipe 5, solar energy heat absorbing corrugated sheet 6, carbon nanotube fluid storage case 7, heat-exchanging water tank 8, liquid level sensor 9, air bleeding valve 10, heat exchanger 11, carbon nanotube fluid circulation pump 12, attemperater 13, circulating pump 14, temperature sensor 15, hot-water line 16, water inlet pipe 17, outlet pipe 18, carbon nanotube fluid 19.
As seen from Figure 1, water main 1 links by ring flange 2 and magnetic valve 3; Heat-exchanging water tank 8 lower-left ends link to each other with magnetic valve 3 by water inlet pipe 17, and upper right side links to each other with attemperater 13 by outlet pipe 18.In conjunction with Fig. 2 as seen, magnetic valve 3 is two position three way directional control valve.
In conjunction with Fig. 1,3 as seen, solar energy heat absorption pipe 5 is placed in solar energy heat absorbing corrugated sheet 6 inclined plane grooves, its the upper end for opening shape and and carbon nanotube fluid storage tank 7 connect, carbon nanotube fluid storage tank 7 is connected with heat exchanger 11, carbon nanotube fluid circulation pump 12 by pipeline.
As seen from Figure 1, carbon nanotube fluid storage tank 7 interior splendid attire carbon nanotube fluid heat transfer working medium 19.Circulating pump 14 is installed in the attemperater 13, and its upper end is connected with water inlet pipe 17 by check valve 4.Attemperater 13 interior lower ends near hot-water line 16 outlets are equipped with temperature sensor 15.The upper end of heat-exchanging water tank 8 is separately installed with liquid level sensor 9 and air bleeding valve 10.
During work, the water surface elevation of liquid level sensor 9 monitoring heat-exchanging water tanks 8 is when liquid level sensor 9 detects water level in the heat-exchanging water tank 8 when discontented, control magnetic valve 3 is opened, and begins to add water, after water is filled it up with, liquid level sensor 9 is controlled again magnetic valve 3 and is closed, and adds water complete.
Be added with carbon nanotube fluid 19 in the solar energy heat absorption pipe 5, CNT is the very high nano particle of a kind of coefficient of heat transfer.Thermal conductivity factor under the CNT normal temperature is 80 times of copper, and 140 times of aluminium have larger heat transfer potentiality than other nano-solid particles; Solar energy heat absorption pipe 5 is erected in the surface groove of solar energy heat absorbing corrugated sheet 6, can more effectively utilizes solar energy.Carbon nanotube fluid 19 absorbs solar energy from solar energy heat absorption pipe 5 and solar energy corrugation plate 6, carbon nanotube fluid 19 is heated rear temperature and raises, under the effect of carbon nanotube fluid circulation pump 12, enter the heat exchanger 11 in the heat-exchanging water tank 8, carry out exchange heat with water in the heat-exchanging water tank 8 water is heated.The principle of utilizing hot water floating cold water to sink, the hot water in the heat-exchanging water tank 8 enters attemperater 13 through outlet pipe 18.When needs use hot water, draw through hot-water line 16 and to get final product.If the hot water in the long-time attemperater 13 need not cause drop in temperature, in the time of can't normally using, temperature sensor 15 monitoring water temperatures are installed in attemperater 13 interior hot-water line exits, when water temperature was lower than the serviceability temperature setting value, startup circulating pump 14 entered heat-exchanging water tank 8 with the water in the attemperater 13 through check valves 4 and re-starts heating; When the water temperature in the attemperater 13 reached instructions for use, temperature sensor 15 controlled circulation pumps 14 cut out, and quit work.
Claims (4)
1. solar water heater intelligent circulation system, comprise water main (1), ring flange (2), magnetic valve (3), check valve (4), solar energy heat absorption pipe (5), solar energy heat absorbing corrugated sheet (6), carbon nanotube fluid storage case (7), heat-exchanging water tank (8), liquid level sensor (9), air bleeding valve (10), heat exchanger (11), carbon nanotube fluid circulation pump (12), attemperater (13), circulating pump (14), temperature sensor (15), hot-water line (16), water inlet pipe (17), outlet pipe (18), carbon nanotube fluid (19) consists of, and it is characterized in that: said water main (1) links by ring flange (2) and magnetic valve (3); Heat-exchanging water tank (8) lower-left end links to each other with magnetic valve (3) by water inlet pipe (17), and upper right side links to each other with attemperater (13) by outlet pipe (18); Solar energy heat absorption pipe (5) is placed in solar energy heat absorbing corrugated sheet (6) inclined plane groove, its the upper end for opening shape and and carbon nanotube fluid storage tank (7) connect, carbon nanotube fluid storage tank (7) links to each other with heat exchanger (11), carbon nanotube fluid circulation pump (12) by pipeline.
2. solar water heater intelligent circulation according to claim 1 system, it is characterized in that: said circulating pump (14) is installed in the attemperater (13), and its upper end links to each other with water inlet pipe (17) by check valve (4).
3. solar water heater intelligent circulation according to claim 1 system, it is characterized in that: said heat-exchanging water tank (8) upper end is separately installed with liquid level sensor (9) and air bleeding valve (10).
4. solar water heater intelligent circulation according to claim 1 system, it is characterized in that: the lower end in the said attemperater (13) is equipped with temperature sensor (15) near attemperater (13) and hot-water line (16) junction; When needs use hot water, draw through hot-water line (16); When water temperature was lower than the serviceability temperature setting value, startup circulating pump (14) entered heat-exchanging water tank (8) with the water in the attemperater (13) through check valve (4) and re-starts heating; When the water temperature in the attemperater (13) reached instructions for use, temperature sensor (15) controlled circulation pump (14) cut out, and quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206142939U CN202885295U (en) | 2012-11-07 | 2012-11-07 | Intelligent solar water heater circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206142939U CN202885295U (en) | 2012-11-07 | 2012-11-07 | Intelligent solar water heater circulating system |
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| CN202885295U true CN202885295U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206142939U Expired - Fee Related CN202885295U (en) | 2012-11-07 | 2012-11-07 | Intelligent solar water heater circulating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519931A (en) * | 2013-10-30 | 2014-01-22 | 安徽英特电子有限公司 | Automatic water inflowing and draining structure of water bath |
| CN104539238A (en) * | 2014-12-30 | 2015-04-22 | 河海大学常州校区 | Magnetic nano-fluid light condensation type photovoltaic combined heat and power generation device |
| CN106091436A (en) * | 2016-08-10 | 2016-11-09 | 江苏海克力斯电力科技有限公司 | A kind of separate heat pipe device for solar water heater high-temperature control |
| CN106918154A (en) * | 2017-03-07 | 2017-07-04 | 李博宇 | A kind of solar water heater of automatic loading water |
-
2012
- 2012-11-07 CN CN2012206142939U patent/CN202885295U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519931A (en) * | 2013-10-30 | 2014-01-22 | 安徽英特电子有限公司 | Automatic water inflowing and draining structure of water bath |
| CN103519931B (en) * | 2013-10-30 | 2015-03-11 | 安徽英特电子有限公司 | Automatic water inflowing and draining structure of water bath |
| CN104539238A (en) * | 2014-12-30 | 2015-04-22 | 河海大学常州校区 | Magnetic nano-fluid light condensation type photovoltaic combined heat and power generation device |
| CN106091436A (en) * | 2016-08-10 | 2016-11-09 | 江苏海克力斯电力科技有限公司 | A kind of separate heat pipe device for solar water heater high-temperature control |
| CN106918154A (en) * | 2017-03-07 | 2017-07-04 | 李博宇 | A kind of solar water heater of automatic loading water |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131107 |