CN202869057U - Solar water heater with anti-freezing evacuation function - Google Patents
Solar water heater with anti-freezing evacuation function Download PDFInfo
- Publication number
- CN202869057U CN202869057U CN 201220564743 CN201220564743U CN202869057U CN 202869057 U CN202869057 U CN 202869057U CN 201220564743 CN201220564743 CN 201220564743 CN 201220564743 U CN201220564743 U CN 201220564743U CN 202869057 U CN202869057 U CN 202869057U
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- China
- Prior art keywords
- water heater
- solar water
- evacuation
- solar
- evacuated tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A solar water heater with an anti-freezing evacuation function is used for solving the problem that in winter, a water feeding pipe of a solar water heater freezes. The solar water heater with the anti-freezing evacuation function comprises a solar heat collection section and a water container, and further comprises an evacuation pipe, an evacuation ball valve and a check valve, wherein the upper end of the evacuation pipe is communicated with a water outlet of a water feeding pipe of the solar water heater, the lower end of the evacuation pipe is connected with the evacuation ball valve located in a chamber, and the tail end of an outdoor section of the evacuation pipe is located above the water feeding pipe of the solar water heater. The solar water heater with the anti-freezing evacuation function is simple in structure, stable in performance and obvious in energy-conservation and emission-reduction effects, not only can be used for the refit of the original solar water heater, but also can be directly used for production, is suitable for popularization and application in the northern area in China, and has wide application prospects and remarkable social benefit.
Description
Technical field
The utility model relates to a kind of solar thermal collector, especially a kind of solar thermal collector with antifreeze emptying function.
Background technology
Solar water heater is a kind of equipment that solar energy is changed into the heat energy of hydrone, and it is liked by the common people deeply with its environmental protection, safe, energy-conservation advantage, be with a wide range of applications.Vacuum pipe solar water heater generally is comprised of thermal-collecting tube, heat preservation storage water tank, support, upper hose (return pipe is general and upper hose is shared) and control assembly, according to siphon principle, the pressure return water that utilizes top of building and chamber height drop to produce utilizes the pressure of running water to the solar storage water tank water-filling.Wherein, upper hose is the passage that connects solar water heater storage water tank and indoor water source (and indoor backwater terminal wet part).Because the northern area of China temperature in annual March in November to the coming year is in subzero, the upper hose outdoor section of solar water heater easily freezes, and becomes the obstacle of use in winter solar water heater.
Upper hose for fear of solar water heater freezes, generally adopt at the outdoor pipeline laying heat-insulation layer of upper hose with in two kinds of precautionary measures of the outdoor pipeline setting of upper hose " heating tape " (a kind of electrical heat tracing layer), but because easily wearing out, insulation material breaks, especially at extremely cold weather, need often heat-insulation layer to be safeguarded and change, make troubles to the user; Although " heating tape " mode of setting has solved the problems referred to above, need the additive decrementation electric energy, and installation cost is higher, the hidden danger that also exists simultaneously " heating tape " to catch fire and leak electricity, security performance is relatively poor.
The utility model content
The purpose of this utility model is the drawback for prior art, and a kind of simple in structure, with low cost, stable performance, the solar water heater with antifreeze emptying function easy to use are provided.
Problem described in the utility model realizes with following technical proposals:
A kind of solar water heater with antifreeze emptying function, it comprises solar energy heating part and water receiver, it also comprises evacuated tube, emptying ball valve and check-valves, described evacuated tube upper end is communicated with the delivery port of solar water heater upper hose, the lower end be positioned at indoor emptying ball valve and be connected, evacuated tube outdoor section end is positioned at the top of solar water heater upper hose.
Above-mentioned solar water heater with antifreeze emptying function, described check-valves is installed in the highest position of evacuated tube.
Above-mentioned solar water heater with antifreeze emptying function, described evacuated tube adopts aluminium-plastic pipe.
The utility model freezes in order to prevent the solar water heater upper hose winter, has increased an evacuated tube at solar water heater upper hose end to user side; The utility model is provided with check-valves in the highest position of evacuated tube, be used for stoping on the one hand the aqueous reflux in the solar water heater storage water tank, check-valves one side negative pressure is with valve opening when utilizing on the other hand the solar water heater backwater, air is entered in the upper hose of solar water heater, the inside and outside air pressure of solar water heater upper hose this moment is in poised state, the siphon function of solar water heater return pipe (being the solar water heater upper hose) is destroyed, thereby water continues to reflux in the blocking-up solar water heater storage water tank; The utility model is installed an emptying ball valve in the lower end of evacuated tube, is used for controlling the switching of evacuated tube.The utility model can make solar water heater normally use in the winter time, good freezing protection effect, and because need not the power consumption heating, effects of energy saving and emission reduction is remarkable; The utility model both had been applicable to the repacking of original solar water heater, also can be directly used in the production of evacuation and anti-freezing solar water heater, suited to apply in the northern area of China, had broad application prospects and significant social benefit; The utility model is simple in structure, stable performance, easy to use, through checking on probation, utilize the evacuated tube drainage procedure can 3-13 in second (relevant with story height) finish, when recovering solar water heater return pipe siphon function, whole backwater process is about 2 seconds, and is easy and simple to handle, quick.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model backwater process schematic diagram;
Fig. 3 is the utility model evacuation procedure schematic diagram.
Each list of reference numerals is among the figure: 1, check-valves, 2, evacuated tube, 3, emptying ball valve, 4, solar water heater upper hose (sharing with the solar water heater return pipe), 5, water supply valve (back-water valve (BWV)), 6, water receiver, 7, the thermal-arrest part.
The specific embodiment
Referring to Fig. 1, the utility model comprises solar energy heating part 7 and water receiver 6, evacuated tube 2, emptying ball valve 3 and check-valves 1, described evacuated tube 2 upper ends are communicated with the delivery port of solar water heater upper hose 4, the lower end be positioned at indoor emptying ball valve 3 and be connected, evacuated tube 2 outdoor section ends are positioned at the top of solar water heater upper hose 4; Described check-valves 1 is installed in the highest position of evacuated tube 2.
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model freezes in order to prevent the solar water heater upper hose winter, has increased an evacuated tube 2 at solar water heater upper hose end to user side; The utility model is provided with check-valves 1 in the highest position of evacuated tube 2, be used for stoping on the one hand the aqueous reflux of 6 li of solar water heater water-storage devices, check-valves 1 one side negative pressure are with valve opening when utilizing on the other hand the solar water heater backwater, air is entered in the solar water heater upper hose 4, this moment, solar water heater upper hose 4 inside and outside air pressure were in poised state, the siphon function of solar water heater return pipe (being solar water heater upper hose 4) is destroyed, thereby water continues to reflux in the blocking-up solar water heater storage water tank; The utility model is installed an emptying ball valve 3 in the lower end of evacuated tube, is used for controlling the switching of evacuated tube 2.
The utility model is divided into normal use, water-drainage antifreezing processing, three kinds of mode of operations of backwater recovery use when operation, the below describes them respectively: one, normally use pattern, when solar water heater normally uses, close evacuated tube ball valve 3, according to siphon principle, the pressure return water that solar water heater return pipe (being solar water heater upper hose 4) utilizes top of building and chamber height drop to produce, solar water heater upper hose 4 utilizes the pressure of running water to solar water heater water-storage device 6 interior water-fillings.Two, water-drainage antifreezing is processed, when outside air temperature is subzero, in the time of need to doing antifreeze processing, open emptying ball valve 3, open again back-water valve (BWV) 5, along with flowing under water, check-valves 1 is opened immediately, and air enters solar water heater upper hose 4 from evacuated tube 2, the siphon function is destroyed, cutout after solar water heater upper hose 4 has little water to flow out, the water of solar water heater upper hose 4 all emit or reflow tank in, reach the effect of safe antifreeze.Three, backwater recovers the use pattern, if will recover to use the water of solar water heater, first emptying ball valve 3 is closed, open again the water supply valve 5 of upper hose, in upper hose, pour upper a small amount of water by tap water hydraulic, make the siphon functional rehabilitation of upper hose, but just drainage hot water.
Claims (3)
1. solar water heater with antifreeze emptying function, it comprises solar energy heating part and water receiver, it is characterized in that, it also comprises evacuated tube (2), emptying ball valve (3) and check-valves (1), described evacuated tube (2) upper end is communicated with the delivery port of solar water heater upper hose (4), the lower end be positioned at indoor emptying ball valve (3) and be connected, evacuated tube (2) outdoor section end is positioned at the top of solar water heater upper hose (4).
2. a kind of solar water heater with antifreeze emptying function according to claim 1 is characterized in that, described check-valves (1) is installed in the highest position of evacuated tube (2).
3. a kind of solar water heater with antifreeze emptying function according to claim 2 is characterized in that, described evacuated tube (2) adopts aluminium-plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564743 CN202869057U (en) | 2012-10-31 | 2012-10-31 | Solar water heater with anti-freezing evacuation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564743 CN202869057U (en) | 2012-10-31 | 2012-10-31 | Solar water heater with anti-freezing evacuation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202869057U true CN202869057U (en) | 2013-04-10 |
Family
ID=48035771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564743 Expired - Fee Related CN202869057U (en) | 2012-10-31 | 2012-10-31 | Solar water heater with anti-freezing evacuation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202869057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236117A (en) * | 2014-08-15 | 2014-12-24 | 陈书祯 | Running water solar boiling device |
-
2012
- 2012-10-31 CN CN 201220564743 patent/CN202869057U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236117A (en) * | 2014-08-15 | 2014-12-24 | 陈书祯 | Running water solar boiling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |