CN101566400A - Indoor water tank combination accessory device with switchable pressure and operating method thereof - Google Patents
Indoor water tank combination accessory device with switchable pressure and operating method thereof Download PDFInfo
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- CN101566400A CN101566400A CNA2009101380026A CN200910138002A CN101566400A CN 101566400 A CN101566400 A CN 101566400A CN A2009101380026 A CNA2009101380026 A CN A2009101380026A CN 200910138002 A CN200910138002 A CN 200910138002A CN 101566400 A CN101566400 A CN 101566400A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 672
- 238000011017 operating method Methods 0.000 title abstract 2
- 230000004087 circulation Effects 0.000 claims description 253
- 238000000034 method Methods 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 16
- 230000001839 systemic circulation Effects 0.000 claims description 14
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 5
- 230000000306 recurrent effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008961 swelling Effects 0.000 description 16
- 238000003860 storage Methods 0.000 description 9
- 238000010926 purge Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000001256 steam distillation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1057—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
- F24D17/001—Domestic hot-water supply systems using recuperation of waste heat with accumulation of heated water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0015—Domestic hot-water supply systems using solar energy
- F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The present invention relates to the field of solar water heater, and to an indoor water tank (hot water tank) combination accessory device with switchable pressure in a split type solar water heater and an operating method thereof. The invention settles the problems of low heating efficiency, pipe blocking by cold, steam expansion, tube exploding, water leakage, etc. existing in the whole-set installing type, centralized type and split type solar water heater, etc. The device is installed with a water supplying pipe connected with a water inlet of the indoor water tank. The water supplying pipe is installed with a water supplying control valve. The indoor water tank is connected with a circulating water supplying pipe and a circulating water discharging pipe. The circulating water supplying pipe is installed with a circulating pipe control valve and a circulating water valve. The circulating water discharging pipe is installed with a check valve. When the circulating heat exchanging is executed between the low-temperature water of the indoor water tank in the split type solar water heater and the high-temperature water generated through absorbing the solar energy by the solar heat collector, the automatic switching between a no-pressure state of indoor water tank and a pressurized state of indoor water tank when the hot water is used and the draining of the water in the circulating pipe after circulating heat exchanging and flowing into the indoor water tank are realized.
Description
Technical field
The present invention relates to the solar water heater field, specifically is the indoor water tank combination accessory device and the method for work of switchable pressure in a kind of separated type solar hot-water apparatus.
Background technology
At present, the solar water heater that people use in life mainly contains whole machine installing type, centralized and split type etc.Its principle all is to absorb solar energy by solar thermal collector, utilize the heat exchange circulation of water or heat-conducting medium indirect heat exchange form with the heating of the water at low temperature in the storage tank for people's use of living.But because in use all there are certain practical problem in the building structure and the various water heater self structure problem of residential building.For example, whole machine formula: because its model and specification disunity, cause and put in disorderly at the dwelling house roof, influence the appearance of the city, destroying the waterproof aspect of roof in varying degrees again, all have certain hidden danger for safety, lightning protection, the shock resistance of building.Whole machine solar water heater hot water delivery pipe line length need bleed off a large amount of cold water during use, causes the waste of water resource, heat energy; Night, the heat waste amount was big in the winter time to place outdoor heat storage water tank in addition.Separated type solar hot-water apparatus in the past, no matter be pressure-bearing type or non-bearing type, be water direct heat-exchange or medium heat conduction, the heat-energy losses of heat exchange circulation line is very big in heat exchanging process, cause the solar energy hot-water apparatus heating efficiency low, heating efficiency can be lower under the situation that environment temperature is lower especially in the winter time; In the winter time, steam distillation, freeze the stifled vapour booster that expands that produces, antifreeze heating tape improper use and quality problems easy firing are on fire.
Summary of the invention
At above-mentioned situation, the invention provides a kind of indoor water tank combination accessory device and method of work at separated type solar hot-water apparatus switchable pressure, the heating efficiency that existing whole machine installing type, solar water heater product such as centralized and split type in use exist is low to solve, pipeline freezes stifled, the vapour bombing problem such as leak that expands.
Technical scheme of the present invention is:
A kind of indoor water tank combination accessory device of switchable pressure, this device is provided with indoor water tank, and the watering pipeline that links to each other with the water inlet of indoor water tank, and water control valve is being housed on the watering pipeline; Indoor water tank is connected with circulation watering pipeline and circulation drainage pipeline respectively, and the circulation line control valve is housed on the circulation watering pipeline, on the circulation watering pipeline water circulating pump is housed; On the circulation drainage pipeline, check-valves is housed; The delivery port of indoor water tank is connected with hot water effluent's pipeline, in the upper end of indoor water tank the sealing breather valve is housed; The water tank temperature sensor is housed in indoor water tank.
The indoor water tank combination accessory device of described switchable pressure is connected with water ponding discharge pipe down between circulation watering pipeline and circulation drainage pipeline; On the water ponding discharge pipe non-return valve is being housed down, on the circulation watering pipeline, be connected with the ponding discharge pipe, the ponding discharge pipe communicates with following water ponding discharge pipe, and the ponding pipe-line control valve is housed on the ponding discharge pipe, on the ponding discharge pipe fault alarm is housed.
The indoor water tank combination accessory device of described switchable pressure at the circulation watering pipeline of water circulating pump inlet end with stride across between the watering pipeline of circulation line control valve and be connected with the emptying pipeline, is equipped with emptying pipeline check-valves on the emptying pipeline.
The indoor water tank combination accessory device of described switchable pressure, with hot water effluent's pipeline that the delivery port of indoor water tank links to each other on sensor is housed, perhaps the use that makes at the water of indoor water tank is equipped with gauge tap.
The indoor water tank combination accessory device of described switchable pressure is provided with the insulation partition walls in indoor water tank, be provided with connecting pipeline on the insulation partition walls.
The indoor water tank combination accessory device of described switchable pressure, circulation watering pipeline that is connected with indoor water tank and circulation drainage pipeline upper end are connected with solar thermal collector, are provided with the heat collector water tank in the heat collector upper end; In the upper end of circulation drainage pipeline or in the upper end of circulation watering pipeline or in heat collector water tank upper end, respirator is housed.
The indoor water tank combination accessory device of described switchable pressure is equipped with plug-in type water inlet pipe mouth and plug-in type effluent pipe mouth respectively in upper end, heat collector water tank both sides, and they link to each other with the circulation drainage pipeline with the circulation watering pipeline respectively; Below the heat collector water tank that plug-in type water inlet pipe mouth and plug-in type effluent pipe mouth are housed, vacuum heat collection pipe is housed, the metal heat exchanger tube is equipped with in the vacuum heat collection pipe the inside, horn mouth sealing tube head is arranged on the metal heat exchanger tube, one end of horn mouth sealing tube head is that the other end of the heat exchanger tube mouth of pipe, horn mouth sealing tube head is connected with the heat exchange tube body of bottom shutoff, and the metal heat exchanger tube links to each other with the water tank connector by sealing ring in the position of horn mouth sealing tube head.
A kind of method of work of indoor water tank combination accessory device of switchable pressure, this device is applied in the solar energy hot-water apparatus, part as solar energy hot-water apparatus, circulation watering pipeline that is connected with indoor water tank and circulation drainage pipeline upper end are connected with solar thermal collector, by various control valve controls, realize in the solar energy hot-water apparatus, water at low temperature in indoor water tank and the solar thermal collector high-temperature water that produces that absorbs solar energy is undertaken in the cycle heat exchange process by circulation line, and the water in the circulation line relies on nature drop evacuation flow to go into indoor water tank pressure-less state in the process of indoor water tank behind the cycle heat exchange, and emptying finishes the back indoor water tank and automatically switches to the band pressure state; Perhaps, it still is atmospheric pressure state that emptying finishes the back indoor water tank, and indoor water tank automatically switches to the band pressure state again when using hot water.
The method of work of the indoor water tank combination accessory device of described switchable pressure, in this device, when the non-heat exchange recurrent state of system, being communicated with of the circulation watering pipeline that indoor water tank had been drained after the heat exchange circulation by various control valves cut-outs and last time respectively, circulation drainage pipeline, so when systemic circulation heat exchange and draining of circulating heat exchanging pipe: only need to command automatic ON cycle pipe-line control valve by control system, close the last water control valve on the watering pipeline, cut off watering pipeline, band setting-out in the watering pipeline or band press the running water can't the inlet chamber inner water tank; Indoor water tank is in atmospheric pressure state in this cycle heat exchange and heat exchanging pipe evacuation procedure; After cycle heat exchange and heat exchanging pipe emptying end, command the circulation line control valve of closing on the circulation watering pipeline by control system, cut off the circulation watering pipeline, automatically open again and go up water control valve, circulation drainage pipeline upper check valve cuts off the circulation drainage pipeline by the line segments of check, band setting-out or band press running water can only pass through watering pipeline inlet chamber inner water tank, and can not enter circulation watering pipeline and circulation drainage pipeline; Indoor water tank is in artesian condition in this process;
Perhaps, after cycle heat exchange and heat exchanging pipe emptying end, command the circulation line control valve of closing on the circulation watering pipeline by control system, cut off the circulation watering pipeline, last water control valve on the watering pipeline still is in closed condition, cut off watering pipeline, when hot water used: open upward water control valve automatically by the control system commander, the circulation line control valve of closing on the circulation watering pipeline cut off the circulation watering pipeline; Circulation drainage pipeline upper check valve cuts off the circulation drainage pipeline by the line segments of check, and band setting-out or band press running water can only pass through watering pipeline inlet chamber inner water tank, and can not enter circulation watering pipeline and circulation drainage pipeline; Indoor water tank is in artesian condition in this process.
The invention has the beneficial effects as follows:
1, the indoor water tank combination accessory device of switchable pressure of the present invention, be by the pressure-bearing indoor water tank, the heat exchange circulation line, water circulating pump and various control, the indoor water tank combination accessory device of switchable pressure in a kind of novel separated type solar hot-water apparatus that sensing element and intelligence control system are formed, can make the solar thermal collector in the separated type solar hot-water apparatus of each household unify centralized arrangement in architectural realization, heat storage water tank (promptly being indoor water tank) is placed indoor, putting of having solved that existing product in use exists is in disorder, influence the appearance of the city, destroy a series of problems such as waterproof aspect of roof, realize solar energy and architecture-integral.
2, in the indoor water tank combination accessory device of switchable pressure of the present invention, when heat exchange circulation of solar energy hot water system and circulation line emptying, indoor water tank is in the normal pressure recurrent state; When hot water used, indoor water tank was in artesian condition.Because the indoor water tank band pressure two states design of conversion automatically when indoor water tank does not have pressure and uses hot water when having adopted the systemic circulation heat exchange, make behind the cycle heat exchange water in the circulation line go into indoor water tank, allow the heat exchange circulation line be able to emptying by the nature hydraulic current; When using hot water, band setting-out (running water) is through watering pipeline flood chamber inner water tank, hot water in the indoor water tank is ejected mixed water valve by delivery port through hot water effluent's pipeline, allow the user when using hot water, as using convenient, comfortable, the safety of pressure-bearing water-storage electric heater.
3, in the indoor water tank combination accessory device of switchable pressure of the present invention, owing to realized the circulation line emptying, solved in the past the separated type solar hot-water apparatus when adopting the direct cycle heat exchange form of water, when heat energy loss that water turns cold in the circulation line after the heat exchange and employing heat transferring medium indirect heat exchange form, heat energy loss problem in heat transfer process has improved solar energy hot water efficient greatly.
4, in the indoor water tank combination accessory device of switchable pressure of the present invention, because realized the circulation line emptying, circulation line is when system's heat exchange, heat energy loss is considerably less, circulation line can appropriateness extend, and being positioned over away from solar thermal collector of making that water storage tank can be relative is indoor, has solved in the past the solar water heater water storage tank from far away with water spot, when using hot water, need bleed off the problem of a large amount of cold water.
5, in the indoor water tank combination accessory device of switchable pressure of the present invention, because the design of in indoor water tank, having adopted the insulation partition walls and having passed the connecting pipeline of insulation partition walls, make this device can finish system's heat exchange circulation, in the time of function programs such as circulation line emptying, when using hot water, avoided low temperature running water jacking water tank, hot water stops using the back hot and cold water to mix the whole cooling problem of the water that makes in the indoor water tank, guaranteed that the water that cuts off in the high-temperature cabinet in the indoor water tank that by the insulation partition walls can not be directly by low temperature running water hybrid cooling, thereby the hot water of higher temperature can have been arranged when using hot water.
6, in the indoor water tank combination accessory device of switchable pressure of the present invention, because increased the emptying circuit design more, make the water while flowed into chamber inner water tank in circulation drainage pipeline and the circulation watering pipeline, improved the circulation line intestine evacuation velocity, reduced in the system of the present invention the control valve delay time that needs delayed start-up, closes, promptly energy-conservation again can not be because of cycle heat exchange and the long normal use that influences hot water of circulation line emptying time.
7, in the indoor water tank combination accessory device of switchable pressure of the present invention, circulation line has been realized emptying, there is not water behind the cycle heat exchange in the circulation line, do not freeze stifled phenomenon so can not produce pipeline, having solved the past freezes the stifled energy loss that heating tape causes and the security hidden trouble of heating tape improper use catching fire of adding for preventing pipeline.
8, when the indoor water tank combination accessory device of switchable pressure of the present invention is used, adopted fault alarm on time water ponding discharge pipe and ponding discharge pipe and the pipeline (generally can be water flow sensing unit) design: after cycle heat exchange and the circulation line emptying, though the water in heat collector water tank and the indoor water tank still keeps the water yield of filling with before the heat exchange circulation, but the artesian condition that has the preceding indoor water tank of heat exchange circulation in circulation drainage pipeline and the circulation watering pipeline switches to a small amount of swelling water that produces in the atmospheric pressure state process of heat exchange circulation back, water ponding discharge pipe and ponding discharge pipe discharge system down can be passed through during the expansion hypervolia, the generation of the normal emptying problem of circulation line can be avoided to realize because of the phenomenon that swelling water is accumulated in the circulation line; In addition, when the check-valves on the circulation drainage pipeline damaged, when last water control valve was in opening, the check-valves that the band setting-out damages on circulation drainage pipeline and circulation drainage pipeline, following water ponding discharge pipe, ponding discharge pipe emitted; And the control valve between watering pipeline and circulation watering pipeline, during as circulation line control valve or the damage of emptying check-valves, when last water control valve is in opening, band setting-out in the watering pipeline or band are pressed a part of jacking indoor water tank of running water, and a part of water emits by the ponding discharge pipe through the circulation watering pipeline; When last water control valve damages, before systemic circulation heat exchange, purge routine finish, band setting-out or band press running water also to enter circulation watering pipeline and circulation drainage pipeline by watering pipeline inlet chamber inner water tank, when the systemic circulation heat exchange, when purge routine finishes, this part water can emit by the ponding discharge pipe; When the ponding pipe-line control valve damaged, during the systemic circulation heat exchange, cycle heat exchange water can emit by the ponding discharge pipe through the circulation watering pipeline; Therefore the design of water ponding discharge pipe and ponding discharge pipe down, avoided being full of water in circulation drainage pipeline that damage or expansion hypervolia because of the various control valve members of system cause or the circulation watering pipeline and can not realize normal emptying, caused the winter circulation line to freeze the generation of stifled problem; On this apparatus system ponding discharge pipe, fault alarm is housed, when system certain control valve member damage produce undesired current by the time in time report to the police, the control valve member of damage is safeguarded as early as possible; And if solar thermal collector produces the high temperature expanding gas and micro-high temperature swelling water can both discharge by circulation line, time water ponding discharge pipe and the ponding discharge pipe of emptying and discharge smoothly, changed the history that solar thermal collector in the past can only be breathed by breather valve, avoided solar thermal collector in the winter time breather valve freeze the stifled generation that produces the bloated booster of vapour, splits accidents such as courage because of steam distillation.
When 9, the indoor water tank combination accessory device of switchable pressure of the present invention is used, the employing vacuum heat collection pipe absorbs solar energy, stewing solarization is the water in the metal heat exchanger tube wherein, make its heat up with heat collector water tank in water at low temperature carry out heat exchange, finish heat collector and heat the water process.Because anhydrous in the vacuum heat collection pipe, do not adopt the direct water storage of vacuum heat collection pipe to carry out heat exchange so do not exist in the past, and occur because cold and hot difference big, freeze, produce booster drainage, heat collector heating operation safety and reliability under the situation such as vapour expands.
When 10, the indoor water tank combination accessory device of switchable pressure of the present invention is used, plug-in type water inlet pipe mouth and plug-in type effluent pipe mouth are owing to all insert a segment length (5-20mm) in the heat collector water tank from heat collector water tank upper end, therefore after the circulation line emptying, still keep the original water yield in the heat collector water tank, produced simultaneously siphonage is also come out the water of heat collector water tank upper end by siphon, under special cold conditions, water freezing wherein expands and has reserved the safe space.
11, in the indoor water tank combination accessory device of switchable pressure of the present invention, indoor water tank is by pressure-bearing water-storage electric heater standard design, the basic function that possesses electric heater, when the solar energy hot coolant-temperature gage is not enough under weather effect, can adopt the auxiliary heating of electricity at any time to guarantee the continuous use of hot water.Simultaneously, indoor water tank also possesses the superpressure pressure relief among the present invention.
Description of drawings
Fig. 1 is a structural representation of the present invention;
The 1-indoor water tank; 2-sealing breather valve; The 3-watering pipeline; The last water control valve of 4-; 5-is incubated partition walls; 6-circulation watering pipeline; 7-circulation line control valve; The 8-water circulating pump; 11-downcomer mouth; 13-circulation drainage pipeline; The 14-check-valves; The 26-connecting pipeline; 27-water tank temperature sensor; The 28-intelligent controller; 29-valve group connects plate body; The 30-electric heater; 31-mixes water valve; 32-hot water effluent pipeline; The 34-water inlet; The 35-delivery port; The 46-floor drain.
Fig. 2 is a invention process application examples structural representation;
The 1-indoor water tank; 2-sealing breather valve; The 3-watering pipeline; The last water control valve of 4-; 5-is incubated partition walls; 6-circulation watering pipeline; 7-circulation line control valve; The 8-water circulating pump; The 9-gauge tap; The 10-sensor; 11-downcomer mouth; The 12-heat collector; 13-circulation drainage pipeline; The 14-check-valves; 15-emptying pipeline; 16-emptying pipeline check-valves; 17-ponding discharge pipe; 18-ponding pipe-line control valve; The 19-fault alarm; 20-heat collector water tank; The 21-respirator; 22-plug-in type water inlet pipe mouth; 23-plug-in type effluent pipe mouth; 24-heat collector water tank temperature sensor; The 25-vacuum heat collection pipe; The 26-connecting pipeline; 27-water tank temperature sensor; The 28-intelligent controller; 29-valve group connects plate body; The 30-electric heater; 31-mixes water valve; 32-hot water effluent pipeline; 33-metal heat exchanger tube; The 34-water inlet; The 35-delivery port; Water ponding discharge pipe under the 41-; The 42-non-return valve; The 46-floor drain.
Fig. 3 is the true heat exchange tube structure schematic diagram of metal in the heat collector vacuum heat collection pipe in the invention process application examples;
33-metal heat exchanger tube; 36-horn mouth sealing tube head; The 37-heat exchange tube body; The 38-heat exchanger tube mouth of pipe.
Fig. 4 is that the heat collector water tank is connected profile with vacuum heat collection pipe, metal heat exchanger tube in the invention process application examples;
20-heat collector water tank; The 25-vacuum heat collection pipe; 33-metal heat exchanger tube; The 38-heat exchanger tube mouth of pipe; The 39-sealing ring; 40-water tank connector.
Among Fig. 2, A represents swelling water storage area in the system of the present invention; Among Fig. 1, Fig. 2, G represents the high-temperature water tank in the indoor water tank 1, and D represents the low temperature water tank in the indoor water tank 1.
The specific embodiment
The indoor water tank combination accessory device structure of switchable pressure of the present invention is mainly by indoor water tank 1, circulation watering pipeline 6, circulation drainage pipeline 13, water circulating pump 8 and various control valves etc. partly constitute, indoor water tank 1 is connected with circulation watering pipeline 6 and circulation drainage pipeline 13 respectively, indoor water tank 1 can be provided with connector separately respectively with being connected of circulation watering pipeline 6 and circulation drainage pipeline 13 on indoor water tank 1, also can utilize the delivery port of indoor water tank and water inlet respectively as the connector of circulation watering pipeline 6 and circulation drainage pipeline 13, perhaps also can utilize the delivery port of indoor water tank and water inlet respectively as the connector of circulation drainage pipeline 13 and circulation watering pipeline 6.Its concrete structure is as follows:
As shown in Figure 1 and Figure 2, this device is provided with the watering pipeline 3 that links to each other with the water inlet 34 of indoor water tank 1, water inlet 34 is connected with circulation watering pipeline 6, and circulation watering pipeline 6 communicates with watering pipeline 3, and water control valve 4 (generally can be magnetic valve) is being housed on the watering pipeline 3; Circulation line control valve 7 (generally can be magnetic valve) is housed on circulation watering pipeline 6; Water circulating pump 8 is housed on circulation watering pipeline 6; The delivery port 35 of indoor water tank 1 is connected with hot water effluent's pipeline 32, and sensor 10 is housed on hot water effluent's pipeline 32; Perhaps, the water of indoor water tank 1 make use be equipped with that gauge tap 9 (generally can be near the switching regulator sensor) links to each other by control line with intelligent controller 28 or by the control that links to each other of wireless remote control signal form; Be equipped with between hot water effluent's pipeline 32 and the watering pipeline 3 and mix water valve 31; Be provided with downcomer mouth 11 in indoor water tank 1, downcomer mouth 11 is connected with circulation drainage pipeline 13, and check-valves 14 is housed on circulation drainage pipeline 13, is provided with insulation partition walls 5 in indoor water tank 1; Insulation partition walls 5 is high-temperature water tank G and low temperature water tank D with cutting off in the indoor water tank 1, pass insulation partition walls 5 and be provided with connecting pipeline 26 on the partition walls 5, can utilize a plurality of insulation partition walls 5 and connecting pipeline 26 allow and to be provided with multistage high and low temperature water tank in the indoor water tank in insulation.In indoor water tank 1 upper end sealing breather valve 2 is housed, water tank temperature sensor 27 and electric heater 30 are housed in indoor water tank 1; Each function valve member below indoor water tank 1 on the pipeline: junctions such as water control valve 4, water flow sensing unit 10, circulation line control valve 7 have a valve group to connect plate body 29.
As shown in Figure 2, in the upper end of circulation drainage pipeline 13 respirator 21 is housed; Perhaps, in the upper end of circulation watering pipeline 6, perhaps, respirator 21 is housed in heat collector water tank 20 upper ends; This device is provided with heat collector 12, and heat collector 12 is provided with heat collector water tank 20, and heat collector water tank temperature sensor 24 is housed in heat collector water tank 20; On top, heat collector water tank 20 both sides plug-in type water inlet pipe mouth 22 and plug-in type effluent pipe mouth 23 are housed respectively, plug-in type water inlet pipe mouth 22 and plug-in type effluent pipe mouth 23 all insert the inboard segment distance (generally can be 5-20mm) of inner water tank from heat collector water tank 20 tops, they link to each other with circulation drainage pipeline 13 with circulation watering pipeline 6 respectively; As shown in Figure 3, Figure 4, one vacuum pumping thermal-collecting tube 25 is housed below heat collector water tank 20, metal heat exchanger tube 33 is equipped with in vacuum heat collection pipe 25 the insides, horn mouth sealing tube head 36 is arranged on the metal heat exchanger tube 33, one end of horn mouth sealing tube head 36 is the heat exchanger tube mouth of pipe 38, the other end of horn mouth sealing tube head 36 is connected with the heat exchange tube body 37 of bottom shutoff, and metal heat exchanger tube 33 links to each other with water tank connector 40 by sealing ring 39 in the position of horn mouth sealing tube head 36;
As shown in Figure 2, at the circulation watering pipeline 6 of water circulating pump 8 inlet end with stride across between the watering pipeline 3 of circulation line control valve 7 and be connected with emptying pipeline 15; Emptying pipeline check-valves 16 is housed on emptying pipeline 15; Between circulation watering pipeline 6 and circulation drainage pipeline 13, be connected with water ponding discharge pipe 41 down, on the following water ponding discharge pipe 41 non-return valve 42 is housed, on circulation watering pipeline 6, be connected with ponding discharge pipe 17, ponding discharge pipe 17 communicates with following water ponding discharge pipe 41, and ponding pipe-line control valve 18 (generally can be magnetic valve) is housed on ponding discharge pipe 17; Fault alarm 19 (generally can be water flow sensing unit) is housed on ponding discharge pipe 17, and ponding discharge pipe 17 communicates with floor drain 46;
As shown in Figure 1 and Figure 2, among the present invention, intelligent controller 28 joins with the electrical control lines of last water control valve 4, circulation line control valve 7, water circulating pump 8, heat collector water tank temperature sensor 24, water tank temperature sensor 27, electric heater 30 respectively by automatically controlled circuit;
As shown in Figure 2, among the present invention, intelligent controller 28 joins with the electrical control lines of gauge tap 9, sensor 10, ponding pipe-line control valve 18, fault alarm 19 again respectively by automatically controlled circuit;
This contrive equipment receives the signal that sensory package sends by its control system, command parts actions such as each control valve, water circulating pump, water at low temperature in the indoor water tank and heat collector in apparatus of the present invention are absorbed solar energy, and high-temperature water that the back produces carries out cycle heat exchange, through the several cycle heat exchange coolant-temperature gage in the indoor water tank is raise, finish solar energy hot water process.And because when having adopted the systemic circulation heat exchange, indoor water tank does not have the two states design of conversion automatically of pressure and indoor water tank band pressure use hot water, make behind the cycle heat exchange water in the circulation line go into indoor water tank, allow the heat exchange circulation line be able to emptying by the nature hydraulic current; When using hot water, band setting-out (running water) ejects mixed water valve with the hot water in the indoor water tank through delivery port, allows the user when using hot water, as using convenient, comfortable, the safety of pressure-bearing water-storage electric heater.Simultaneously, solar thermal collector can discharge through the ponding discharge pipe by the circulation line and the emptying pipeline of emptying smoothly as producing the high temperature expanding gas, and having changed the past solar thermal collector can only be by the history of breather valve breathing.
When system installed, the course of work of the present invention was:
One, aqueous mode on the indoor water tank:
Open intelligent controller 28 power supplys, aqueous mode on the automatic inlet chamber inner water tank of system (restart Shi Douhui after intelligent controller 28 each outages and carry out this pattern):
Scheme one, when the last water control valve 4 on the watering pipeline 3 is normally open valve (being generally normally open solenoid valve):
1, band setting-out or band press running water through watering pipeline 3 and last water control valve 4 inlet chamber inner water tanks 1, will mix water valve 31 and be threaded to the unlatching of hot water end, and indoor water tank 1 is filled with water, close after mixed water valve 31 water outlets and mix water valve 31.
2, among Fig. 1, Fig. 2, circulation line control valve 7 (being generally normally closed solenoid valve) cut-out indoor water tank 1 of closing on the circulation watering pipeline 6 and watering pipeline 3 are communicated with circulation watering pipeline 6; Circulation drainage pipeline 13 upper check valves 14 cut off the circulation drainage pipeline 13 of check-valves 14 upper ends by the line segments of check; And in (Fig. 2), at the circulation watering pipeline 6 of water circulating pump 8 inlet end with stride across between the watering pipeline 3 of circulation line control valve 7 and be connected with emptying pipeline 15; Emptying pipeline check-valves 16 on emptying pipeline 15 cuts off the connected circulation watering pipeline 6 in upper end, emptying pipeline check-valves 16 right sides by the line segments of check;
Cause among Fig. 1, Fig. 2, when last water and non-heat exchange recurrent state, band setting-out or band press running water by watering pipeline inlet chamber inner water tank 1, and can not enter circulation watering pipeline 6 and circulation drainage pipeline 13 in this contrive equipment system;
Scheme two, when the last water control valve 4 on the watering pipeline 3 is normally close valve (being generally normally closed solenoid valve), as shown in Figure 2:
1, in system during water, to mix water valve 31 and be threaded to the unlatching of hot water end, last water control valve 4 on the watering pipeline 3 is opened and time-delay (closing after generally delaying time 3-10 minute), band setting-out or band press running water through watering pipeline 3 and last water control valve 4 inlet chamber inner water tanks 1, indoor water tank 1 is filled with and is closed mixed water valve 31 after water mixes water valve 31 water outlets, last water control valve 4 is opened time-delay and is finished, and last water control valve 4 is closed automatically.
Circulation line control valve 7 (being generally normally closed solenoid valve) cut-out indoor water tank 1 of 2, closing on the circulation watering pipeline 6 and watering pipeline 3 are communicated with circulation watering pipeline 6; Circulation drainage pipeline 13 upper check valves 14 cut off the circulation drainage pipeline 13 of check-valves 14 upper ends by the line segments of check; And in (Fig. 2), at the circulation watering pipeline 6 of water circulating pump 8 inlet end with stride across between the watering pipeline 3 of circulation line control valve 7 and be connected with emptying pipeline 15; Emptying pipeline check-valves 16 on emptying pipeline 15 cuts off the connected circulation watering pipeline 6 in upper end, emptying pipeline check-valves 16 right sides by the line segments of check; Cause in this contrive equipment, water tank is when last water, and band setting-out or band press running water by watering pipeline inlet chamber inner water tank, and can not enter in circulation watering pipeline 6 and the circulation drainage pipeline 13;
3, will mix water valve 31 is threaded to the hot water end and opens anhydrous or when having water to stop again, press the last water key on the intelligent controller 28, last water control valve 4 is opened and time-delay (closing after generally delaying time 3-10 minute), band setting-out (running water) is through watering pipeline 3 and last water control valve 4 inlet chamber inner water tanks 1, indoor water tank 1 mixes water valve 31 water outlets after filling with water, close and mix water valve 31, last water control valve 4 is opened time-delay and is finished, and last water control valve 4 is closed automatically.
Two, heat exchange circulation, hot water use pattern:
As shown in Figure 2:
1, the automatic temperature difference heat exchange, circulation, the emptying pattern: the vacuum heat collection pipe 25 on heat collector 12 absorbs solar energy, water in the metal heat exchanger tube 33 wherein boiled in a covered pot over a slow fire shine heating, the water at low temperature that produces in hot water and the heat collector water tank 20 is carried out the cold and hot exchange of gravity type, its temperature is risen, when rise to indoor water tank 1 in water temperature temperature difference when setting value, intelligent controller 28 is accepted each assembly action of signal command system that heat collector water tank temperature sensor 24 and water tank temperature sensor 27 send, automatically start temperature difference cycle heat exchange program (, pressing intelligent controller 28 cocycle keys) as hand-operated forced circulation time:
Scheme one, when the last water control valve 4 on the watering pipeline 3 is normally open valve (being generally normally open solenoid valve): temperature difference cycle heat exchange program start, last water control valve 4 is closed, and cuts off watering pipeline 3, and band setting-out in the watering pipeline 3 or band press the running water can't the inlet chamber inner water tank; Circulation line control valve 7 is opened, water circulating pump 8 startings, water in the indoor water tank 1 among the low temperature water tank D is drawn out of, simultaneously the water among the high-temperature water tank G is inhaled among the low temperature water tank D by the connecting pipeline 26 that passes insulation partition walls 5 and reach high-temperature water tank G bottom, and indoor water tank 1 is by sealing breather valve 2 suck air of upper end simultaneously; Ponding pipe-line control valve 18 cuts out simultaneously, cut off ponding discharge pipe 17, following water ponding discharge pipe 41 highway sections in non-return valve 42 left sides on the following water ponding discharge pipe 41 are cut off 6 connections to circulation drainage pipeline 13 directions of circulation watering pipeline by non-return valve 42 unidirectional checks; During the circulation watering pipeline 6 of the water that in indoor water tank 1, is drawn out of the low temperature water tank D by being drained after the circulation last time, can not enter ponding discharge pipe 17 and can not directly enter circulation drainage pipeline 13 by water ponding discharge pipe 41 down; Can only enter in the heat collector water tank 20, high-temperature water in the heat collector water tank 20 is ejected, the circulation drainage pipeline 13 that has been drained after circulating last time is through check-valves 14, downcomer mouth 11 by indoor water tank 1 flows into earlier in the indoor water tank 1 among the high-temperature water tank G, sucks among the low temperature water tank D by passing the connecting pipeline 26 that insulation partition walls 5 reaches high-temperature water tank G bottom again; When the water in heat collector water tank 20 and the indoor water tank 1 drops to setting value through the temperature difference behind the cycle heat exchange, perhaps to default cycle heat exchange during the concluding time, intelligent controller 28 sends signal, each assembly auto-action of command system (manually pressing intelligent controller 28 cocycle keys again).
As shown in Figure 1 and Figure 2, water circulating pump 8 stops, and drainage pipeline 13 water that circulate this moment rely on the nature drop to pass through in the downcomer mouth 11 flowed into chamber inner water tanks 1 of indoor water tank 1 through check-valves 14; Water in the circulation watering pipeline 6 also relies on the nature drop through water circulating pump 8, circulation line control valve 7, by in the watering pipeline 3 inlet chamber inner water tanks 1, and indoor water tank 1 is discharged the gas of inspiration in the cycle heat exchange process by the sealing breather valve 2 of upper end again; After the water emptying in circulation watering pipeline 6, the circulation drainage pipeline 13, circulation line control valve 7 is closed, and ponding pipe-line control valve 18 and last water control valve 4 are opened again automatically;
Perhaps, as shown in Figure 2, water circulating pump 8 stops, and circulation line control valve 7 is closed, and drainage pipeline 13 water that circulate this moment rely on the nature drop to pass through in the downcomer mouth 11 flowed into chamber inner water tanks 1 of indoor water tank 1 through check-valves 14; Water in the circulation watering pipeline 6 also relies on the nature drop through water circulating pump 8, emptying pipeline 15, emptying pipeline check-valves 16, by in the watering pipeline 3 inlet chamber inner water tanks 1, and indoor water tank 1 is discharged the gas of inspiration in the cycle heat exchange process by the sealing breather valve 2 of upper end again; After the water emptying in circulation watering pipeline 6, the circulation drainage pipeline 13, ponding pipe-line control valve 18 and last water control valve 4 are opened again automatically; Connecting band presses running water watering pipeline 3 open-minded, and indoor water tank 1 switches to artesian condition by the atmospheric pressure state in cycle heat exchange and the heat exchanging pipe evacuation procedure; Except circulation line has the swelling water of trace, water in heat collector water tank 20 and the indoor water tank 1 still keeps the water yield of filling with before the heat exchange circulation basically, system is by above-mentioned situation action, automatically finish heat exchange circulation and heat exchange circulation back circulation line evacuation procedure successively repeatedly, water in the indoor water tank 1 is heated up, finish solar energy hot water process;
Scheme two, when the last water control valve 4 on the watering pipeline 3 is normally close valve:
Temperature difference cycle heat exchange program start, circulation line control valve 7 is opened, water circulating pump 8 startings, the last water control valve 4 of closing on the watering pipeline 3 cuts off watering pipelines 3, and band setting-out in the watering pipeline 3 or band pressure running water can't the inlet chamber inner water tanks; Water in the indoor water tank 1 among the low temperature water tank D is drawn out of, simultaneously the water among the high-temperature water tank G is inhaled among the low temperature water tank D by the connecting pipeline 26 that passes insulation partition walls 5 and reach high-temperature water tank G bottom, and indoor water tank 1 is by sealing breather valve 2 suck air of upper end simultaneously; Ponding pipe-line control valve 18 cuts out simultaneously, cut off ponding discharge pipe 17, following water ponding discharge pipe 41 highway sections in non-return valve 42 left sides on the following water ponding discharge pipe 41 are cut off 6 connections to circulation drainage pipeline 13 directions of circulation watering pipeline by non-return valve 42 unidirectional checks; When making circulation watering pipeline 6 by being drained after the circulation last time of the water that in indoor water tank 1, is drawn out of the low temperature water tank D, can not enter ponding discharge pipe 17 and can not directly enter circulation drainage pipeline 13 by water ponding discharge pipe 41 down; Can only enter in the heat collector water tank 20, high-temperature water in the heat collector water tank 20 is ejected, the circulation drainage pipeline 13 that has been drained after last time circulation flows in the indoor water tanks 1 among the high-temperature water tank G through the downcomer mouth 11 of check-valves 14 by indoor water tank 1, again by passing among the connecting pipeline 26 suction low temperature water tank D that insulation partition walls 5 reaches high-temperature water tank G bottom; When the water in heat collector water tank 20 and the indoor water tank 1 drops to setting value through the temperature difference behind the cycle heat exchange, perhaps to default cycle heat exchange during the concluding time, intelligent controller 28 sends signal, each assembly auto-action of command system (manually pressing intelligent controller 28 cocycle keys again).As shown in Figure 1 and Figure 2, water circulating pump 8 stops, and drainage pipeline 13 water that circulate this moment rely on the nature drop to pass through in the downcomer mouth 11 flowed into chamber inner water tanks 1 of indoor water tank 1 through check-valves 14; Water in the circulation watering pipeline 6 also relies on the nature drop through water circulating pump 8, circulation line control valve 7, by in the watering pipeline 3 inlet chamber inner water tanks 1, and indoor water tank 1 is discharged the gas of inspiration in the cycle heat exchange process by the sealing breather valve 2 of upper end again; After the water emptying in circulation watering pipeline 6, the circulation drainage pipeline 13, circulation line control valve 7 is closed, and ponding pipe-line control valve 18 is opened automatically; Perhaps, as shown in Figure 2, water circulating pump 8 stops, and circulation line control valve 7 is closed, and drainage pipeline 13 water that circulate this moment rely on the nature drop to pass through in the downcomer mouth 11 flowed into chamber inner water tanks 1 of indoor water tank 1 through check-valves 14; Water in the circulation watering pipeline 6 also relies on the nature drop through water circulating pump 8, emptying pipeline 15, emptying pipeline check-valves 16, by in the watering pipeline 3 inlet chamber inner water tanks 1, and indoor water tank 1 is discharged the gas of inspiration in the cycle heat exchange process by the sealing breather valve 2 of upper end again; Circulation watering pipeline 6, after the water emptying in the circulation drainage pipeline 13, ponding pipe-line control valve 18 is opened automatically, last water control valve 4 still is in closed condition, cut off indoor water tank 1 and press being communicated with of running water watering pipeline 3 with band, indoor water tank 1 is by in cycle heat exchange and the heat exchanging pipe evacuation procedure still being atmospheric pressure state, water in heat collector water tank 20 and the indoor water tank 1 still keeps the water yield of filling with before the heat exchange circulation basically, system is by above-mentioned situation action, automatically finish heat exchange circulation and heat exchange circulation back circulation line evacuation procedure successively repeatedly, water in the indoor water tank 1 is heated up, finish solar energy hot water process;
2, hot water use:
Scheme one, when the last water control valve 4 on the watering pipeline 3 is normally open valve: open mixed water valve 31 and go to the hot water end, band setting-out or band press running water by among the low temperature water tank D in the watering pipeline 3 jacking indoor water tanks 1, the water of low temperature water tank D upper strata higher temperature is reached the bottom of the connecting pipeline 26 jacking high-temperature water tank G of high-temperature water tank G bottom by insulation partition walls 5 upper ends, the high-temperature water of high-temperature water tank G upper end is ejected by hot water effluent's pipeline 32 through the delivery port 35 of indoor water tank 1 mix water valve 31; Stop using hot water, close and mix water valve 31, finish and use the hot water process, indoor water tank 1 is except being the atmospheric pressure state in systemic circulation heat exchange and circulation line evacuation procedure, and other course of work all is an artesian condition;
Scheme two, when the last water control valve 4 on the watering pipeline 3 is normally close valve: open mixed water valve 31 and go to the hot water end, hot water effluent's pipeline 32 of indoor water tank 1 and the water in the circulation drainage pipeline 13 flow out by the nature drop and mix water valve 31, signal is sent in sensor 10 on hot water effluent's pipeline 32 (generally can be water flow switch) action, and intelligent controller 28 is accepted the signal that sensor 10 sends and opened water control valve 4; Perhaps, gauge tap 9 (generally can be near the switching regulator sensor) sends wire signal or wireless remote control signal, intelligent controller 28 acknowledge(ment) signals are opened water control valve 4, be with this moment setting-out or band to press running water by among the low temperature water tank D in the watering pipeline 3 jacking indoor water tanks 1, the water of low temperature water tank D upper strata higher temperature is reached the bottom of the connecting pipeline 26 jacking high-temperature water tank G of high-temperature water tank G bottom by insulation partition walls 5 upper ends, the high-temperature water of high-temperature water tank G upper end is ejected by hot water effluent's pipeline 32 through the delivery port 35 of indoor water tank 1 mix water valve 31; Stop using hot water, close and mix water valve 31, sensor 10 actions, or gauge tap 9 (generally can be) action near the switching regulator sensor, intelligent controller 28 acknowledge(ment) signals commander goes up water control valve 4 and closes, cut off watering pipeline 3, finish and use the hot water process, indoor water tank 1 is in artesian condition in this process;
Circulation line control valve 7 has interlock function with last water control valve 4, and promptly when systemic circulation heat exchange ON cycle pipe-line control valve 7, last water control valve 4 can not be unlocked; And when water control valve 4 was opened on using hot water, circulation line control valve 7 can not be unlocked;
Three, safe, the warning of the discharging of swelling water and ponding discharge pipe:
After systemic circulation heat exchange emptying, though the water in heat collector water tank 20 and the indoor water tank 1 still keeps the water yield of filling with before the heat exchange circulation, but the indoor water tank 1 of artesian condition before the cycle heat exchange is switched to the indoor water tank 1 of heat exchange circulation back atmospheric pressure state, a small amount of swelling water (A represents swelling water storage area in the system of the present invention among Fig. 2) that in this process, can produce, can be accumulated in the circulation line as discharging at once not, make the water in the circulation line of indoor water tank 1 upper end can not realize thorough emptying;
1, the discharging of swelling water:
Scheme one, when the last water control valve 4 on the watering pipeline 3 is normally open valve: as shown in Figure 2, circulation watering pipeline 6, when the water emptying in the circulation drainage pipeline 13 finishes, last water control valve 4 on the watering pipeline 3 is opened again, connecting band presses running water watering pipeline 3 open-minded, indoor water tank 1 switches to artesian condition by the atmospheric pressure state in cycle heat exchange and the heat exchanging pipe evacuation procedure, indoor water tank 1 switches to atmospheric pressure state once more during next time systemic circulation heat exchange, this process can produce the swelling water of trace, accumulating when too much when swelling water can be by water ponding discharge pipe 41 down, non-return valve 42, ponding discharge pipe 17 gives off outside the system, guarantee that no swelling water is accumulated in the circulation line, realize the normal emptying of circulation line;
Scheme two, when the last water control valve 4 on the watering pipeline 3 is normally close valve:
As shown in Figure 2, after this device cycle heat exchange and the circulation line emptying, though the water in heat collector water tank 20 and the indoor water tank 1 still keeps the water yield of filling with before the heat exchange circulation, but in the time of may having cycle heat exchange in circulation drainage pipeline 13 and the circulation watering pipeline 6, use the artesian condition of indoor water tank 1 behind the hot water to switch to a small amount of swelling water that produces in the atmospheric pressure state process behind the cycle heat exchange; Accumulate when too much and can give off outside the system when swelling water, guarantee that no swelling water is accumulated in the circulation line, the normal emptying of realization circulation line by water ponding discharge pipe 41, non-return valve 42, ponding discharge pipe 17 down;
2, the safety of ponding discharge pipe and warning:
When the check-valves on the circulation drainage pipeline 13 14 damages, when last water control valve 4 was in opening, the check-valves 14 that the band setting-out damages on circulation drainage pipeline 13 and circulation drainage pipeline, following water ponding discharge pipe 41, ponding discharge pipe 17 emitted; And the control valve between watering pipeline 3 and circulation watering pipeline 6, during as circulation line control valve 7 or 16 damages of emptying pipeline check-valves, under indoor water tank 1 artesian condition, and when going up water control valve 4 and being in opening, band setting-out in the watering pipeline 3 or band are pressed a part of jacking indoor water tank 1 of running water, and a part of water emits by ponding discharge pipe 17 through circulation watering pipeline 6; When last water control valve 4 damages, before systemic circulation heat exchange, purge routine finish, band setting-out or band press running water also to enter circulation watering pipeline 6 and circulation drainage pipeline 13 by watering pipeline inlet chamber inner water tank 1, when the systemic circulation heat exchange, when purge routine finishes, this part water can emit by ponding discharge pipe 17; When ponding pipe-line control valve 18 damaged, during the systemic circulation heat exchange, cycle heat exchange water can emit by ponding discharge pipe 17 through circulation watering pipeline 6; Can be during the expansion hypervolia that produces in the atmospheric pressure state of indoor water tank 1 and the artesian condition handoff procedure by water ponding discharge pipe 41 and ponding discharge pipe 17 discharge systems down; Therefore down the design of water ponding discharge pipe 41 and ponding discharge pipe 17 has been avoided being full of water in circulation drainage pipeline 13 that damage or expansion hypervolia because of the various control valve members of system cause or the circulation watering pipeline 6 and can not have been realized normal emptying, causes the winter circulation line to freeze the generation of stifled problem; On this apparatus system ponding discharge pipe 17, fault alarm 19 is housed, when system certain control valve member damage produce undesired current by the time in time report to the police, the control valve member of damage is safeguarded as early as possible; And if solar thermal collector 12 produces the high temperature expanding gas and micro-high temperature swelling water can both discharge by circulation line, time water ponding discharge pipe 41 and the ponding discharge pipe 17 of emptying and discharge smoothly, changed the history that solar thermal collector 12 in the past can only be breathed by breather valve, avoided solar thermal collector 12 in the winter time breather valve freeze the stifled generation that produces the bloated booster of vapour, splits accidents such as courage because of steam distillation.
On this apparatus system ponding discharge pipe 17, fault alarm 19 is housed, when system certain control valve member damage produce undesired current by the time in time report to the police, the control valve member of damage is safeguarded as early as possible.
Claims (9)
1, a kind of indoor water tank combination accessory device of switchable pressure is characterized in that: this device is provided with indoor water tank (1), and the watering pipeline (3) that links to each other with the water inlet of indoor water tank, and water control valve (4) is housed on watering pipeline (3); Indoor water tank (1) is connected with circulation watering pipeline (6) and circulation drainage pipeline (13) respectively, and circulation line control valve (7) is housed on circulation watering pipeline (6), and water circulating pump (8) is housed on circulation watering pipeline (6); Check-valves (14) is housed on circulation drainage pipeline (13); The delivery port of indoor water tank (1) is connected with hot water effluent's pipeline (32), in the upper end of indoor water tank (1) sealing breather valve (2) is housed; Water tank temperature sensor (27) is housed in indoor water tank (1).
2, according to the indoor water tank combination accessory device of the described switchable pressure of claim 1, it is characterized in that: between circulation watering pipeline (6) and circulation drainage pipeline (13), be connected with water ponding discharge pipe (41) down; On the water ponding discharge pipe (41) non-return valve (42) is being housed down, on circulation watering pipeline (6), be connected with ponding discharge pipe (17), ponding discharge pipe (17) communicates with following water ponding discharge pipe (41), ponding pipe-line control valve (18) is housed on ponding discharge pipe (17), fault alarm (19) is housed on ponding discharge pipe (17).
3, according to the indoor water tank combination accessory device of the described switchable pressure of claim 1, it is characterized in that: at the circulation watering pipeline (6) of water circulating pump (8) inlet end with stride across between the watering pipeline (3) of circulation line control valve (7) and be connected with emptying pipeline (15), emptying pipeline check-valves (16) is housed on emptying pipeline (15).
4, according to the indoor water tank combination accessory device of the described switchable pressure of claim 1, it is characterized in that: sensor (10) is housed on hot water effluent's pipeline that the delivery port with indoor water tank (1) links to each other, and perhaps the use that makes at the water of indoor water tank is equipped with gauge tap (9).
5, according to the indoor water tank combination accessory device of the described switchable pressure of claim 1, it is characterized in that: in indoor water tank (1), be provided with insulation partition walls (5), on insulation partition walls (5), be provided with connecting pipeline (26).
6, according to the indoor water tank combination accessory device of the described switchable pressure of claim 1, it is characterized in that: circulation watering pipeline (6) that is connected with indoor water tank (1) and circulation drainage pipeline (13) upper end are connected with solar thermal collector (12), are provided with heat collector water tank (20) in heat collector (12) upper end; In the upper end of circulation drainage pipeline (13) or in the upper end of circulation watering pipeline (6) or in heat collector water tank upper end, respirator (21) is housed.
7, according to the indoor water tank combination accessory device of the described switchable pressure of claim 6, it is characterized in that: in upper end, heat collector water tank (20) both sides plug-in type water inlet pipe mouth (22) and plug-in type effluent pipe mouth (23) are housed respectively, they link to each other with circulation drainage pipeline (13) with circulation watering pipeline (6) respectively; Below the heat collector water tank (20) that plug-in type water inlet pipe mouth (22) and plug-in type effluent pipe mouth (23) are housed, vacuum heat collection pipe (25) is housed, metal heat exchanger tube (33) is equipped with in vacuum heat collection pipe (25) the inside, horn mouth sealing tube head (36) is arranged on the metal heat exchanger tube (33), one end of horn mouth sealing tube head (36) is the heat exchange tube body (37) that the other end of the heat exchanger tube mouth of pipe (38), horn mouth sealing tube head (36) is connected with the bottom shutoff, and metal heat exchanger tube (33) links to each other with water tank connector (40) by sealing ring (39) in the position of horn mouth sealing tube head (36).
8, a kind of method of work of indoor water tank combination accessory device of switchable pressure, it is characterized in that: this device is applied in the solar energy hot-water apparatus, part as solar energy hot-water apparatus, circulation watering pipeline (6) that is connected with indoor water tank (1) and circulation drainage pipeline (13) upper end are connected with solar thermal collector (12), by various control valve controls, realize in the solar energy hot-water apparatus, water at low temperature in indoor water tank and the solar thermal collector high-temperature water that produces that absorbs solar energy is undertaken in the cycle heat exchange process by circulation line, and the water in the circulation line relies on nature drop evacuation flow to go into indoor water tank pressure-less state in the process of indoor water tank behind the cycle heat exchange, and emptying finishes the back indoor water tank and automatically switches to the band pressure state; Perhaps, it still is atmospheric pressure state that emptying finishes the back indoor water tank, and indoor water tank automatically switches to the band pressure state again when using hot water.
9, method of work according to the indoor water tank combination accessory device of the described switchable pressure of claim 8, it is characterized in that: in this device, when the non-heat exchange recurrent state of system, indoor water tank cuts off the circulation watering pipeline that had been drained after the heat exchange circulation with last time by various control valves respectively, the connection of circulation drainage pipeline, so when systemic circulation heat exchange and draining of circulating heat exchanging pipe: only need to command automatic ON cycle pipe-line control valve by control system, close the last water control valve on the watering pipeline, cut off watering pipeline, band setting-out in the watering pipeline or band press the running water can't the inlet chamber inner water tank; Indoor water tank is in atmospheric pressure state in this cycle heat exchange and heat exchanging pipe evacuation procedure; After cycle heat exchange and heat exchanging pipe emptying end, command the circulation line control valve of closing on the circulation watering pipeline by control system, cut off the circulation watering pipeline, automatically open again and go up water control valve, circulation drainage pipeline upper check valve cuts off the circulation drainage pipeline by the line segments of check, band setting-out or band press running water can only pass through watering pipeline inlet chamber inner water tank, and can not enter circulation watering pipeline and circulation drainage pipeline; Indoor water tank is in artesian condition in this process;
Perhaps, after cycle heat exchange and heat exchanging pipe emptying end, command the circulation line control valve of closing on the circulation watering pipeline by control system, cut off the circulation watering pipeline, last water control valve on the watering pipeline still is in closed condition, cut off watering pipeline, when hot water used: open upward water control valve automatically by the control system commander, the circulation line control valve of closing on the circulation watering pipeline cut off the circulation watering pipeline; Circulation drainage pipeline upper check valve cuts off the circulation drainage pipeline by the line segments of check, and band setting-out or band press running water can only pass through watering pipeline inlet chamber inner water tank, and can not enter circulation watering pipeline and circulation drainage pipeline; Indoor water tank is in artesian condition in this process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101380026A CN101566400A (en) | 2008-04-23 | 2009-04-23 | Indoor water tank combination accessory device with switchable pressure and operating method thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100111600A CN101261020A (en) | 2008-04-23 | 2008-04-23 | Top water bathing split type solar energy hot-water apparatus |
| CN200810011160.0 | 2008-04-23 | ||
| CNA2009101380026A CN101566400A (en) | 2008-04-23 | 2009-04-23 | Indoor water tank combination accessory device with switchable pressure and operating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101566400A true CN101566400A (en) | 2009-10-28 |
Family
ID=39961626
Family Applications (13)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100111600A Pending CN101261020A (en) | 2008-04-23 | 2008-04-23 | Top water bathing split type solar energy hot-water apparatus |
| CNA2008101498714A Pending CN101608834A (en) | 2008-04-23 | 2008-09-28 | A kind of solar energy hot-water apparatus and method of work thereof |
| CNA2008101698320A Pending CN101566397A (en) | 2008-04-23 | 2008-09-28 | Anti-water leakage heat exchange tube device and method for connecting and mounting same |
| CNU2008201389125U Expired - Fee Related CN201277749Y (en) | 2008-04-23 | 2008-09-28 | Leakage preventing heat exchange apparatus |
| CN2008101698316A Expired - Fee Related CN101566369B (en) | 2008-04-23 | 2008-09-28 | Solar water heating device with safe-exhaust circulating heat exchange tube |
| CNU2008202106871U Expired - Fee Related CN201293394Y (en) | 2008-04-23 | 2008-09-28 | Solar water heating device |
| CNU2008202106886U Expired - Fee Related CN201297706Y (en) | 2008-04-23 | 2008-09-28 | Safe solar-energy water-heater with circulating heat exchange tube for exhaustion |
| CNU2008201389110U Expired - Fee Related CN201277648Y (en) | 2008-04-23 | 2008-09-28 | Solar hot water making apparatus with vacuum safe cyclic heat exchange pipe |
| CNU2008201757911U Expired - Fee Related CN201302299Y (en) | 2008-04-23 | 2008-10-24 | Solar hot water making device |
| CN200810175089XA Expired - Fee Related CN101608811B (en) | 2008-04-23 | 2008-10-24 | Solar water heater and working method thereof |
| CNA2009101380011A Pending CN101566370A (en) | 2008-04-23 | 2009-04-23 | Solar water heater with safe draining of circulating heat exchanging pipe |
| CNA2009101380026A Pending CN101566400A (en) | 2008-04-23 | 2009-04-23 | Indoor water tank combination accessory device with switchable pressure and operating method thereof |
| CNA2009101351004A Pending CN101566394A (en) | 2008-04-23 | 2009-04-23 | Solar water heater with separation and heat insulation functions at hot water storage tank |
Family Applications Before (11)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100111600A Pending CN101261020A (en) | 2008-04-23 | 2008-04-23 | Top water bathing split type solar energy hot-water apparatus |
| CNA2008101498714A Pending CN101608834A (en) | 2008-04-23 | 2008-09-28 | A kind of solar energy hot-water apparatus and method of work thereof |
| CNA2008101698320A Pending CN101566397A (en) | 2008-04-23 | 2008-09-28 | Anti-water leakage heat exchange tube device and method for connecting and mounting same |
| CNU2008201389125U Expired - Fee Related CN201277749Y (en) | 2008-04-23 | 2008-09-28 | Leakage preventing heat exchange apparatus |
| CN2008101698316A Expired - Fee Related CN101566369B (en) | 2008-04-23 | 2008-09-28 | Solar water heating device with safe-exhaust circulating heat exchange tube |
| CNU2008202106871U Expired - Fee Related CN201293394Y (en) | 2008-04-23 | 2008-09-28 | Solar water heating device |
| CNU2008202106886U Expired - Fee Related CN201297706Y (en) | 2008-04-23 | 2008-09-28 | Safe solar-energy water-heater with circulating heat exchange tube for exhaustion |
| CNU2008201389110U Expired - Fee Related CN201277648Y (en) | 2008-04-23 | 2008-09-28 | Solar hot water making apparatus with vacuum safe cyclic heat exchange pipe |
| CNU2008201757911U Expired - Fee Related CN201302299Y (en) | 2008-04-23 | 2008-10-24 | Solar hot water making device |
| CN200810175089XA Expired - Fee Related CN101608811B (en) | 2008-04-23 | 2008-10-24 | Solar water heater and working method thereof |
| CNA2009101380011A Pending CN101566370A (en) | 2008-04-23 | 2009-04-23 | Solar water heater with safe draining of circulating heat exchanging pipe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101351004A Pending CN101566394A (en) | 2008-04-23 | 2009-04-23 | Solar water heater with separation and heat insulation functions at hot water storage tank |
Country Status (2)
| Country | Link |
|---|---|
| CN (13) | CN101261020A (en) |
| WO (1) | WO2009129744A1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261020A (en) * | 2008-04-23 | 2008-09-10 | 王克涛 | Top water bathing split type solar energy hot-water apparatus |
| CN101846400A (en) * | 2010-06-09 | 2010-09-29 | 大连希奥特检测设备有限公司 | Single-working medium pressure-bearing circulated layered heat-storage split solar water heater with glass heat collecting pipes |
| CN102374678A (en) * | 2010-08-11 | 2012-03-14 | 王克涛 | Metal heat exchange tube device in solar energy heat collection tube |
| CN102374666B (en) * | 2010-08-27 | 2015-09-16 | 王克涛 | Low-power pump and solar water heater is adopted to replace the water storage combination device of hot water |
| TWI407064B (en) * | 2010-09-02 | 2013-09-01 | Univ Feng Chia | Forced circulation of solar water heaters |
| CN102109048A (en) * | 2011-01-11 | 2011-06-29 | 郝晓谷 | Faucet and cold and hot water scheduling system |
| CN102226583B (en) * | 2011-06-02 | 2012-08-01 | 江苏力源太阳能有限公司 | Balcony wall-mounted solar water heater |
| CN102589176A (en) * | 2012-03-26 | 2012-07-18 | 苏州开来新能源有限公司 | Water supplying and draining control device for solar water heater |
| CN102818369A (en) * | 2012-08-03 | 2012-12-12 | 张应刚 | Hot water buffer storage tank for water heater with longer water outlet pipeline |
| CN104344577A (en) * | 2013-07-23 | 2015-02-11 | 宋杰 | Novel solar-assisted heating heat treatment kiln and control system |
| CN103629831B (en) * | 2013-12-02 | 2016-07-06 | 王强 | Non-pressure split instant heating constant voltage starts forces internal circulation solar energy water heater |
| CN104534697A (en) * | 2015-01-11 | 2015-04-22 | 滨州市甲力太阳能科技有限公司 | Split type non-pressure-bearing solar water heater |
| CN107101250A (en) * | 2017-06-21 | 2017-08-29 | 宝莲华新能源技术（上海）股份有限公司 | A kind of nocturnal temperature compensation device suitable for cold district solar energy heating system |
| CN109931717A (en) * | 2019-04-10 | 2019-06-25 | 山东桑乐太阳能有限公司 | A kind of Solar Enercy Fission Geyser of non-pressure full medium operation |
| CN111854013B (en) * | 2020-07-29 | 2022-03-25 | 江苏西墅新能源科技有限公司 | Hydraulic system matching device for linkage of floor heating air conditioner |
| CN112629044B (en) * | 2020-12-31 | 2022-07-22 | 广西赫阳能源科技有限公司 | Solar medium-high temperature water heater |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837711B (en) * | 2005-03-25 | 2010-05-26 | 海尔集团公司 | Split type solar water heater |
| CN101149187A (en) * | 2006-09-20 | 2008-03-26 | 侯国山 | Split type solar energy water heater |
| CN200968736Y (en) * | 2006-11-23 | 2007-10-31 | 王克涛 | Energy-saving and water saving indoor storage water tank of solar water heater |
| CN101059257A (en) * | 2007-06-04 | 2007-10-24 | 九日高科(营口)流体设备有限公司 | Centralized single-apartment type intelligent solar energy hot water-making system |
| CN101261020A (en) * | 2008-04-23 | 2008-09-10 | 王克涛 | Top water bathing split type solar energy hot-water apparatus |
| CN201225708Y (en) * | 2008-04-23 | 2009-04-22 | 王克涛 | Backwater bathing split type solar hot-water apparatus |
-
2008
- 2008-04-23 CN CNA2008100111600A patent/CN101261020A/en active Pending
- 2008-09-28 CN CNA2008101498714A patent/CN101608834A/en active Pending
- 2008-09-28 CN CNA2008101698320A patent/CN101566397A/en active Pending
- 2008-09-28 CN CNU2008201389125U patent/CN201277749Y/en not_active Expired - Fee Related
- 2008-09-28 CN CN2008101698316A patent/CN101566369B/en not_active Expired - Fee Related
- 2008-09-28 CN CNU2008202106871U patent/CN201293394Y/en not_active Expired - Fee Related
- 2008-09-28 CN CNU2008202106886U patent/CN201297706Y/en not_active Expired - Fee Related
- 2008-09-28 CN CNU2008201389110U patent/CN201277648Y/en not_active Expired - Fee Related
- 2008-10-24 CN CNU2008201757911U patent/CN201302299Y/en not_active Expired - Fee Related
- 2008-10-24 CN CN200810175089XA patent/CN101608811B/en not_active Expired - Fee Related
-
2009
- 2009-04-23 CN CNA2009101380011A patent/CN101566370A/en active Pending
- 2009-04-23 WO PCT/CN2009/071421 patent/WO2009129744A1/en active Application Filing
- 2009-04-23 CN CNA2009101380026A patent/CN101566400A/en active Pending
- 2009-04-23 CN CNA2009101351004A patent/CN101566394A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN101608834A (en) | 2009-12-23 |
| WO2009129744A1 (en) | 2009-10-29 |
| CN101261020A (en) | 2008-09-10 |
| CN101566369A (en) | 2009-10-28 |
| CN201302299Y (en) | 2009-09-02 |
| CN101608811B (en) | 2010-11-03 |
| CN201277648Y (en) | 2009-07-22 |
| CN101566370A (en) | 2009-10-28 |
| CN101608811A (en) | 2009-12-23 |
| CN201293394Y (en) | 2009-08-19 |
| CN201277749Y (en) | 2009-07-22 |
| CN101566369B (en) | 2011-06-08 |
| CN201297706Y (en) | 2009-08-26 |
| CN101566394A (en) | 2009-10-28 |
| CN101566397A (en) | 2009-10-28 |
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Open date: 20091028 |