CN112393445A - Safety overheating-proof solar water heater - Google Patents
Safety overheating-proof solar water heater Download PDFInfo
- Publication number
- CN112393445A CN112393445A CN202011282571.0A CN202011282571A CN112393445A CN 112393445 A CN112393445 A CN 112393445A CN 202011282571 A CN202011282571 A CN 202011282571A CN 112393445 A CN112393445 A CN 112393445A
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- Prior art keywords
- water
- pipe
- storage tank
- water storage
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/50—Preventing overheating or overpressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems, e.g. audible personal calling systems
- G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Water Treatment By Sorption (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of solar water heaters, and particularly relates to a safe overheating-prevention solar water heater which comprises a water storage tank and a heat collecting pipe, wherein a water inlet pipe and a water outlet pipe are respectively installed at two ends of the water storage tank, the heat collecting pipe is coiled in a snake shape, two ends of the heat collecting pipe are respectively and fixedly communicated with the water storage tank through a hot water pipe and a cold water pipe, a heat-insulating cylinder is sleeved outside the water storage tank, a permanent magnetic ring is hermetically and slidably arranged between the heat-insulating cylinder and the water storage tank, a sleeve is sleeved outside the hot water pipe, the upper end of the sleeve is communicated with the heat-insulating cylinder, a medium with expansion and contraction is filled in the sleeve, a water purifying core is fixedly installed. The invention can promote the rapid flow exchange of hot water in the heat collecting pipe and cold water in the water storage tank when the temperature in the heat collecting pipe is overhigh, effectively reduce the temperature of the heat collecting pipe and prevent safety accidents caused by overhigh temperature in the heat collecting pipe.
Description
Technical Field
The invention belongs to the technical field of solar water heaters, and particularly relates to a safe overheating-prevention solar water heater.
Background
Solar heat utilization is one of the most popular technologies with the highest commercialization degree in new energy and renewable energy, and has great significance for the utilization of renewable resources and the development of ecological environmental protection.
After water in a heat collecting pipe of the solar water heater is heated, the water flows and exchanges with cooler water in a water storage tank through a thermosiphon principle, however, when the traditional solar water heater is used, because sunlight radiation is stronger in the midday summer, hot water in the heat collecting pipe is rapidly heated to a higher temperature, under the action of thermosiphon, the water flow exchange speed between the water storage tank and the water collecting pipe is slower, the temperature in the heat collecting pipe is higher and higher, the conditions of high-temperature vaporization and the like are easy to occur, the stability of a system is influenced, the heat collecting performance of the system is reduced, hot water or high-temperature steam can be sprayed out even, the phenomenon of water tank explosion can occur even when an exhaust port is blocked or a safety valve is failed, and.
For this reason, we propose a solar water heater with safety and overheating prevention to solve the above problems.
Disclosure of Invention
The invention aims to provide a safe overheating-proof solar water heater capable of preventing the overheating of a heat collecting pipe, aiming at the problem that safety accidents are easy to happen when the temperature of the heat collecting pipe is overhigh.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a prevent overheated solar water heater safely, includes water storage box and heat collecting pipe, inlet tube and drain pipe are installed respectively to the both ends of water storage box, the heat collecting pipe is snakelike the setting of coiling, the both ends of heat collecting pipe are respectively through the fixed intercommunication of hot-water line and cold water pipe and water storage box, the water storage box overcoat is equipped with a heat preservation section of thick bamboo, sealed slip has the permanent magnetism ring between heat preservation section of thick bamboo and the water storage box, the hot-water line overcoat is equipped with the sleeve pipe, sheathed tube upper end and heat preservation section of thick bamboo intercommunication, the intraductal expend medium that contracts with heat that holds, fixed mounting has the water purification core in the water storage box, sealed sliding connection has the sliding plate in the water storage box, the sliding plate is made by the permanent magnet material and with between the permanent magnetism.
Preferably, the diversion hole is arranged in a conical shape, and the diameter of an opening of the diversion hole close to one end of the hot water pipe is larger than that of an opening of the diversion hole close to one end of the cold water pipe.
Preferably, the water purifying core is activated carbon.
Preferably, the diversion mechanism comprises a rotating rod rotatably connected with the side wall of the water purification core, the other end of the rotating rod penetrates through the sliding plate and is coaxially and fixedly connected with a diversion fan, and the rotating rod is provided with threads and is in threaded fit with the sliding plate.
Preferably, a closed coil is embedded in the side wall of the heat-insulating cylinder, the winding direction of the closed coil is perpendicular to the direction of the magnetic induction line of the permanent magnet ring, a warning lamp is mounted on the heat-insulating cylinder, and the positive electrode and the negative electrode of the warning lamp are respectively coupled with the two ends of the closed coil.
Compared with the prior art, the safe overheating-prevention solar water heater has the advantages that:
1. according to the invention, the sleeve is arranged, when the heat collecting pipe is overheated, the expansion medium and the contraction medium in the sleeve are heated, evaporated and expanded, the air pressure pushes the permanent magnetic ring to slide, the sliding plate is driven to slide towards the cold water pipe under the action of magnetic attraction, the water in the water storage tank is pushed to flow towards the cold water pipe end due to the fact that the opening diameter of the flow guide hole close to one end of the cold water pipe is smaller, then the hot water in the heat collecting pipe is pumped into the water storage tank from the hot water pipe, the cold water in the water storage tank enters the heat collecting pipe from the cold water pipe, the cold water and hot water flow exchange is realized, the temperature of the heat collecting pipe.
2. By arranging the water purifying core, when water flows in the water storage tank, impurities in the water can be adsorbed and filtered by the water purifying core, so that a good water purifying effect is achieved.
3. By arranging the flow guide mechanism, the sliding plate drives the rotating rod in threaded fit with the sliding plate to rotate when moving, and then drives the flow guide fan to rotate, so that water in the water storage tank is pushed to flow towards the direction of the cold water pipe, and the flow exchange of cold water and hot water is further promoted.
4. According to the invention, the closed coil is arranged, when the permanent magnet ring slides in the heat preservation cylinder, the closed coil cuts the magnetic induction line of the permanent magnet ring to generate induction current to supply power to the warning lamp, and the warning lamp is lightened to prompt a user of the condition of overhigh temperature in the heat collection pipe, so that the user can timely perceive the condition, and the possibility of dangerous accidents is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a safety overheating prevention solar water heater provided by the invention;
fig. 2 is a schematic structural diagram of a safety overheating prevention solar water heater in an embodiment 2 of the invention.
In the figure, 1 a water storage tank; 2, heat collecting pipes; 3, water inlet pipe; 4, a water discharge pipe; 5, a hot water pipe; 6, a cold water pipe; 7, a heat preservation cylinder; 8, permanent magnetic rings; 9, sleeving a sleeve; 10, purifying the water core; 11 a sliding plate; 12 flow guide holes; 13 a flow guide mechanism; 14 rotating rods; 15 a flow guiding fan; 16 closing the coil; and 17 a warning light.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in figure 1, a prevent overheated solar water heater safely, including water storage box 1 and heat collecting tube 2, inlet tube 3 and drain pipe 4 are installed respectively to the both ends of water storage box 1, heat collecting tube 2 is snakelike the setting of coiling, the both ends of heat collecting tube 2 are respectively through hot-water line 5 and the fixed intercommunication of cold water pipe 6 with water storage box 1, water storage box 1 overcoat is equipped with heat preservation section of thick bamboo 7, sealed slip has permanent magnetism ring 8 between heat preservation section of thick bamboo 7 and the water storage box 1, 5 overcoat of hot-water line is equipped with sleeve pipe 9, the upper end and the heat preservation section of thick bamboo 7 intercommunication of sleeve pipe 9, the intraductal expend heat and contract cold medium that contains of sleeve pipe 9.
A water purification core 10 is fixedly installed in the water storage tank 1, the water purification core 10 is activated carbon, a sliding plate 11 is connected in the water storage tank 1 in a sealing and sliding mode, the sliding plate 11 is made of a permanent magnet material and is attracted to the permanent magnet ring 8 in a heteropolar mode, a plurality of flow guide holes 12 are formed in the sliding plate 11, the flow guide holes 12 are arranged in a conical mode, and the opening diameter of one end, close to the hot water pipe 5, of each flow guide hole 12 is larger than that of one end, close to the cold water pipe 6.
The water storage tank 1 is internally provided with a flow guide mechanism 13, the flow guide mechanism 13 comprises a rotating rod 14 which is rotatably connected with the side wall of the water purifying core 10, the other end of the rotating rod 14 penetrates through the sliding plate 11 and is coaxially and fixedly connected with a flow guide fan 15, the rotating rod 14 is provided with threads which are in threaded fit with the sliding plate 11, and the threads are coarse threads and do not have self-locking property.
The working principle of the embodiment is as follows: when the temperature in the heat collecting pipe 2 exceeds the boiling point of cyclohexane by 80.7 ℃, thermal expansion and cold contraction media in the sleeve 9 are heated, evaporated and expanded, the air pressure pushes the permanent magnetic ring 8 to slide, the sliding plate 11 is driven to slide towards the cold water pipe 6 under the action of magnetic attraction, the opening diameter of the diversion hole 12 close to one end of the cold water pipe 6 is smaller, water in the water storage tank 1 is pushed to flow towards the end of the cold water pipe 6, then hot water in the heat collecting pipe 2 is pumped into the water storage tank 1 from the hot water pipe 5, cold water in the water storage tank 1 enters the heat collecting pipe 2 from the cold water pipe 6, cold and hot water fast flow exchange is realized, the temperature of the heat collecting pipe 2 is effectively reduced, and safety accidents caused by overhigh temperature.
After the temperature in the heat collecting tube 2 is recovered to the normal temperature, the expansion and contraction medium is cooled and contracted and flows back to the sleeve 9, then the permanent magnetic ring 8 moves to the initial position under the action of air pressure, the sliding plate 11 is driven to slide and reset towards the hot water tube 5, the opening diameter of the end, close to the hot water tube 5, of the flow guide hole 12 is larger, water can freely flow, and hot water pumped into the water storage tank 1 is prevented from flowing back to the heat collecting tube 2.
When the sliding plate 11 moves, the rotating rod 14 in threaded fit with the sliding plate is driven to rotate, and then the flow guiding fan 15 is driven to rotate, so that water in the water storage tank 1 is pushed to flow towards the cold water pipe 6, and the flow exchange of cold water and hot water is further promoted.
When water flows in the water storage tank 1, the water purification core 10 can adsorb and filter impurities in the water, and a good water purification effect is achieved.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that: a closed coil 16 is embedded in the side wall of the heat preservation cylinder 7, the winding direction of the closed coil 16 is vertical to the direction of the magnetic induction line of the permanent magnet ring 8, a warning lamp 17 is installed on the heat preservation cylinder 7, and the positive pole and the negative pole of the warning lamp 17 are respectively coupled with the two ends of the closed coil 16.
In this embodiment, when the permanent magnet ring 8 slides in the heat preservation cylinder 7, the closed coil 16 cuts the magnetic induction line of the permanent magnet ring 8 to generate induction current for supplying power to the warning lamp 17, and the warning lamp lights up to remind the user of the condition of too high temperature in the heat collection pipe 2, so that the user can timely perceive the situation, and the possibility of dangerous accidents is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The safe overheating-prevention solar water heater comprises a water storage tank (1) and a heat collecting pipe (2), wherein a water inlet pipe (3) and a water outlet pipe (4) are respectively installed at two ends of the water storage tank (1), the heat collecting pipe (2) is coiled in a snake shape, two ends of the heat collecting pipe (2) are fixedly communicated with the water storage tank (1) through a hot water pipe (5) and a cold water pipe (6) respectively, a heat-insulating cylinder (7) is sleeved outside the water storage tank (1), a permanent magnetic ring (8) is arranged between the heat-insulating cylinder (7) and the water storage tank (1) in a sealing sliding mode, a sleeve (9) is sleeved outside the hot water pipe (5), the upper end of the sleeve (9) is communicated with the heat-insulating cylinder (7), a thermal expansion and cold contraction medium is filled inside the sleeve (9), a water purifying core (10) is fixedly installed inside the water storage tank (1), and a sliding plate (11) is connected, the sliding plate (11) is made of a permanent magnet material and is attracted with the permanent magnet ring (8) in a heteropolar mode, a plurality of flow guide holes (12) are formed in the sliding plate (11), and a flow guide mechanism (13) is arranged in the water storage tank (1).
2. The solar water heater of claim 1, wherein the diversion hole (12) is conical, and the diameter of the opening of the diversion hole (12) near the hot water pipe (5) is larger than that near the cold water pipe (6).
3. The solar water heater of claim 1, wherein the purified water core (10) is activated carbon.
4. The solar water heater of claim 1, wherein the diversion mechanism (13) comprises a rotating rod (14) rotatably connected with the side wall of the water purifying core (10), the other end of the rotating rod (14) penetrates through the sliding plate (11) and is coaxially and fixedly connected with a diversion fan (15), and the rotating rod (14) is provided with threads and is in threaded fit with the sliding plate (11).
5. The solar water heater with the safety and the overheating prevention function according to claim 1 is characterized in that a closing coil (16) is embedded in the side wall of the heat preservation cylinder (7), the winding direction of the closing coil (16) is perpendicular to the direction of the magnetic induction line of the permanent magnet ring (8), a warning lamp (17) is mounted on the heat preservation cylinder (7), and the positive pole and the negative pole of the warning lamp (17) are respectively coupled with the two ends of the closing coil (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282571.0A CN112393445A (en) | 2020-11-16 | 2020-11-16 | Safety overheating-proof solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282571.0A CN112393445A (en) | 2020-11-16 | 2020-11-16 | Safety overheating-proof solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112393445A true CN112393445A (en) | 2021-02-23 |
Family
ID=74599950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011282571.0A Withdrawn CN112393445A (en) | 2020-11-16 | 2020-11-16 | Safety overheating-proof solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112393445A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187904Y (en) * | 2008-03-27 | 2009-01-28 | 李建忠 | High-efficiency circulation type solar water heater |
| CN201463340U (en) * | 2009-03-27 | 2010-05-12 | 上海锦立新能源科技有限公司 | Solar water heater with overheat protecting function |
| CN201497060U (en) * | 2009-09-11 | 2010-06-02 | 孙吉和 | Multifunctional solar heating device |
| CN104913526A (en) * | 2015-06-30 | 2015-09-16 | 许国春 | Solar water boiler hung on balcony |
| CN207815743U (en) * | 2017-12-05 | 2018-09-04 | 上海华靓太阳能技术有限公司 | A kind of solar water heater |
| KR102022568B1 (en) * | 2019-04-09 | 2019-09-18 | 정선우 | Solar Collector with Anti-overheating system |
| CN110530037A (en) * | 2019-10-09 | 2019-12-03 | 常传秀 | A large-diameter vacuum tube solar water heater with high thermal conductivity phase change energy storage |
| CN110836541A (en) * | 2019-11-29 | 2020-02-25 | 董术杰 | Efficient solar water heater with temperature control function |
-
2020
- 2020-11-16 CN CN202011282571.0A patent/CN112393445A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187904Y (en) * | 2008-03-27 | 2009-01-28 | 李建忠 | High-efficiency circulation type solar water heater |
| CN201463340U (en) * | 2009-03-27 | 2010-05-12 | 上海锦立新能源科技有限公司 | Solar water heater with overheat protecting function |
| CN201497060U (en) * | 2009-09-11 | 2010-06-02 | 孙吉和 | Multifunctional solar heating device |
| CN104913526A (en) * | 2015-06-30 | 2015-09-16 | 许国春 | Solar water boiler hung on balcony |
| CN207815743U (en) * | 2017-12-05 | 2018-09-04 | 上海华靓太阳能技术有限公司 | A kind of solar water heater |
| KR102022568B1 (en) * | 2019-04-09 | 2019-09-18 | 정선우 | Solar Collector with Anti-overheating system |
| CN110530037A (en) * | 2019-10-09 | 2019-12-03 | 常传秀 | A large-diameter vacuum tube solar water heater with high thermal conductivity phase change energy storage |
| CN110836541A (en) * | 2019-11-29 | 2020-02-25 | 董术杰 | Efficient solar water heater with temperature control function |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210223 |
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| WW01 | Invention patent application withdrawn after publication |