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CN201637196U - Solar heating and cooling system - Google Patents

Solar heating and cooling system Download PDF

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Publication number
CN201637196U
CN201637196U CN2010201788122U CN201020178812U CN201637196U CN 201637196 U CN201637196 U CN 201637196U CN 2010201788122 U CN2010201788122 U CN 2010201788122U CN 201020178812 U CN201020178812 U CN 201020178812U CN 201637196 U CN201637196 U CN 201637196U
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China
Prior art keywords
water
water tank
solar
lower floor
upper strata
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Expired - Lifetime
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CN2010201788122U
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Chinese (zh)
Inventor
杨永福
杨戈
方军
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BEIJING HANTONG TECHNOLOGY Co Ltd
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BEIJING HANTONG TECHNOLOGY Co Ltd
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Abstract

The utility model provides a solar heating and cooling system comprising a heat storing water box, a water injecting changing-over device, a solar heat collector, a summer cooling air conditioning system, a winter heating system and an all-year domestic hot water system, wherein the water box comprises an upper layer water box arranged on the upper layer, a lower layer water box arranged on the lower layer, and a domestic water box arranged in the lower layer water box; a check drain valve is arranged between the upper layer water box and the lower layer water box; the water injecting changing-over device is arranged between the upper layer water box and the lower layer water box and can change over the flowing direction of hot water; the upper part of the solar heat collector is connected with the water injecting changing-over device so that the high-temperature water flows out; the lower part of the solar heat collector is connected with a tap water pipe and the lower layer water box so that the low-temperature water flows in; the summer cooling air conditioning system is connected with the upper layer water box and utilizes the hot water from the upper layer water box to carry out refrigeration; the winter heating system is connected with the lower layer water box and utilizes hot water from the lower layer box to carry out heating; and the all-year domestic hot water system is connected with the domestic water box and provides the domestic hot water. In the utility model, the time scope of the solar energy utilization is enlarged, a large amount of electricity energy used for air conditioning can be saved in summer, the cost is reduced, and the beneficial energy-saving and environment-friendly technical effects are achieved.

Description

The solar-heating refrigeration system
Technical field
The utility model is the system that a kind of solar energy composite utilizes, and particularly a kind of photo-thermal transfer principle according to solar energy is the winter heating in the building, and summer air-conditioning refrigeration and annual domestic hot-water provide the solar-heating refrigeration system of power heat source.
Background technology
Existing solar energy the most generally provides annual domestic hot-water supply in the application of building field, uses in recent years and develops into winter heating gradually, has enlarged the scale of Application of Solar Energy.
But the heat energy that the shortcoming of existing Application of Solar Energy is the sun to be produced is very uneven with the demand in the building, and winter solar heat energy seldom is in great demand, and need provide domestic hot-water and winter heating to use; To summer solar thermal energy a lot of and demand is very little, the domestic hot-water only is provided.Therefore cause a large amount of heat collector areas idle, wasted a large amount of solar energy, and might cause the thermal explosion equivalent damage, bring very large economy loss in summer.Simultaneously, the summer air-conditioning refrigeration has consumed a large amount of electric energy, does not meet the energy-conserving and environment-protective needs.
The utility model content
The utility model provides a kind of solar-heating refrigeration system, to solve the technical problem that exists in the above-mentioned background technology: a large amount of solar energy wastes in summer and consume a large amount of electric energy and be used for air conditioner refrigerating, and idle solar thermal collector causes the thermal explosion equivalent damage easily in summer.
A kind of solar-heating refrigeration system comprises heat storage water tank, comprises the upper strata water tank of being located at the upper strata, is located at lower floor's water tank of lower floor and is located at the interior water supply tank of lower floor's water tank, is provided with unidirectional drain valve between described upper strata water tank and the lower floor's water tank; The water filling switching device shifter is located between upper strata water tank and the lower floor's water tank, switch flow of hot water to; Solar thermal collector, top connect described water filling switching device shifter, and to flow out high-temperature water, the below connects running water pipe and lower floor's water tank, to flow into water at low temperature; Summer, refrigerated air-conditioning system connected described upper strata water tank, utilized the water-heating cooling of described upper strata water tank; The winter heating system connects described lower floor water tank, utilizes the hot water heating of described lower floor water tank; Annual hot water supply system connects described water supply tank, and life hot water is provided.
Wherein, described summer, refrigerated air-conditioning system comprised lithium-bromide absorption-type refrigerating machine group and air-conditioning box, and described lithium-bromide absorption-type refrigerating machine group connects described upper strata water tank and lower floor's water tank, with the high-temperature water that receives described upper strata water tank and to described lower floor water tank backwater; Described air-conditioning box connects described lithium-bromide absorption-type refrigerating machine group.
Wherein, described winter heating system is the heat exchanger that links to each other with described lower floor water tank.
Wherein, described annual hot water supply system comprises running water pipe, connects described water supply tank and provides the municipal tap water to water supply tank; Hot-and-cold water mixer connects described water supply tank, discharges the hot water of described water supply tank.
Wherein, be equipped with auxiliary thermal source in described upper strata water tank and the lower floor's water tank.
Wherein, be provided with safety air vavle in the water tank of described upper strata.
Wherein, be provided with the upper water box metal line in the water tank of described upper strata, be provided with the lower header metal line in the described lower floor water tank.
Wherein, described lower header has overfall, and described overfall is located on the described lower header metal line.
Wherein, described lower floor water tank is connected described solar thermal collector by filter with water circulating pump.
Wherein, described solar-heating refrigeration system also comprises controller, in order to described solar-heating refrigeration system is controlled automatically.
The utility model has increased the refrigeration in summer, just can make the annual supply and demand of solar thermal energy reach balance, reduces cost, and helps promoting the use of.Utilization has overcome the existing solar facilities shortcoming of idle half a year to the utility model to solar energy composite, makes full use of summer the most sufficient solar energy and satisfies the air conditioner refrigerating needs, has enlarged the scope that solar energy utilizes.
Description of drawings
Fig. 1 is the composition schematic diagram of the utility model solar-heating refrigeration system;
Fig. 2 is the overall structure schematic diagram of the utility model solar-heating refrigeration system;
Fig. 3 is the operation principle schematic diagram of lithium-bromide absorption-type refrigerating machine group.
Description of reference numerals
The 1-solar thermal collector; 2-upper strata water tank; 3-lower floor water tank; The 4-water supply tank; 5-lithium-bromide absorption-type refrigerating machine group; The 6-overfall; The 7-controller; The 8-auxiliary thermal source; The 9-filter; The 10-water circulating pump; The 11-hot-and-cold water mixer; The 12-running water pipe; The 13-heat exchanger; 14-water filling switching device shifter; The 15-safety air vavle; The unidirectional drain valve of 16-; 17-upper water box metal line; 18-lower header metal line; The 19-air-conditioning box; The 20-bathroom; The 21-hand washing sink.
The specific embodiment
For shape of the present utility model, structure and characteristics can be understood better, below will enumerate preferred embodiment and also be elaborated in conjunction with the accompanying drawings.
Fig. 1 is the composition schematic diagram of the utility model solar-heating refrigeration system, and as shown in the figure, solar radiation shines on the solar thermal collector, and the solar energy that solar thermal collector absorbs wherein passes to heat storage water tank.The heat that heat storage water tank stores offers summer air-conditioning refrigeration system and annual hot water supply system use in summer, offers winter heating system and annual hot water supply system in the winter time and uses.Under the situation of the shortage of heat that heat storage water tank can provide, auxiliary thermal source can provide extra heat supplement for summer air-conditioning refrigeration system, annual hot water supply system and winter heating system.
Fig. 2 is the overall structure schematic diagram of the utility model solar-heating refrigeration system, the designed heat storage water tank of the utility model is divided into two-layer up and down, upper strata water tank 2 is the refrigeration special water box, the heat accumulation temperature is 100 ℃-120 ℃, lower floor is lower floor's water tank 3 and water supply tank 4, the heat accumulation temperature is 60 ℃-100 ℃, and water supply tank 4 is contained in lower floor's water tank 3, by the heating of the heating hot water in lower floor's water tank 3.This heat storage water tank adds heat-insulation layer, to guarantee the good heat insulation effect of heat storage water tank.
Heat storage water tank is medium with water, and the thermal energy storage that solar thermal collector 1 absorbs is got up.Solar thermal collector 1 adopts heat pipe vacuum hot collector, and its running temperature can reach 60 ℃-150 ℃.The below of solar thermal collector 1 connects running water pipe 12 and is connected lower floor's water tank 3 by water circulating pump 10 with filter 9, is fed to the water at low temperature of solar thermal collector 1 from running water pipe 12 or lower floor's water tank 3 with reception.
The top of solar thermal collector 1 connects water filling switching device shifter 14, and water filling switching device shifter 14 is located between the levels water tank.For the ease of arriving high effective heat-storage, heat storage water tank need immobilize with combining of solar thermal collector 1, so in heat storage water tank, be provided with water filling switching device shifter 14, be fed to upper strata water tank 2 or lower floor's water tank 3 with the high-temperature water of selecting to switch in the solar thermal collector 1, finish and freeze or the winter heating operational mode summer.Switch twice because this switching device shifter one is only needs, therefore can adopt manual switching device.
The summer air-conditioning refrigeration system comprises continuous lithium-bromide absorption-type refrigerating machine group 5 and air-conditioning box 19.Upper strata water tank 2 connects lithium-bromide absorption-type refrigerating machine group 5, provides 5 operations of lithium-bromide absorption-type refrigerating machine group required high-temperature water, and the water at low temperature after lithium-bromide absorption-type refrigerating machine group 5 refrigeration flows back to lower floor's water tank 3 by water return pipeline.The operation principle of lithium-bromide absorption-type refrigerating machine group 5 is to utilize two kinds of material concentrations to change this physical property with its temperature, pressure, cold-producing medium is separated with solution, evaporation by cold-producing medium is freezed, and again by the absorption of solution realization to cold-producing medium, and forms a cooling cycle system.The utility model has adopted lithium bromide-water binary solution to do medium.Make absorbent with lithium bromide (1625 ℃ of boiling points), water (100 ℃ of boiling points) is made cold-producing medium.Lithium-bromide absorption-type refrigerating machine group 5 is mainly by generator, condenser, and four heat-exchange apparatus of evaporimeter and absorber are formed, and its concrete operation principle is as shown in Figure 3.
The circulation of lithium-bromide absorption-type refrigerating machine group 5 divides cold-producing medium circulation and absorbent circulation two closed circuits, and the left side is the cold-producing medium circulation among Fig. 3, belongs to contrary circulation, is made up of evaporimeter, condenser and throttling arrangement.High-pressure gaseous refrigerant after the cooling water heat release is condensated into liquid state, enters evaporimeter through throttling arrangement decompression cooling in condenser.In evaporimeter, this refrigerant liquid is gasified is the low pressure refrigerant vapour, absorbs the heat of the medium that is cooled simultaneously, produces refrigeration effect.
Right-hand part is the absorbent circulation, belongs to direct circulation, and mainly by absorber, generator and solution pump are formed.In absorber, absorb the low-pressure gaseous refrigerant that evaporimeter produces with stripping liquid, to reach the purpose of keeping low pressure in the evaporimeter.Absorbent absorption refrigeration agent steam and form cold-producing medium-absorbent solution enters generator after solution pump boosts.This solution is heated in generator, boiling, and wherein low-boiling cold-producing medium gasification forms high-pressure gaseous refrigerant steam, separates with absorbent again, and refrigerant vapour goes condenser liquefaction then.Absorbent returns absorber and absorbs low-pressure gaseous refrigerant once more, circular flow, thus bromizate the purpose that lithium absorption refrigeration unit 5 reaches refrigeration.Lithium-bromide absorption-type refrigerating machine group 5 connects air-conditioning box 19, provides user's summer air-conditioning refrigeration to use.
Upper strata water tank 2 has upper water box metal line 17, these upper water box metal line 17 places are provided with sensor, after the water yield in the upper strata water tank 2 surpassed upper water box metal line 17, unidirectional drain valve 16 was opened, and the water in the upper strata water tank 2 can inject lower floor's water tank 3 by unidirectional drain valve 16.The summer air-conditioning refrigeration system starts simultaneously, and the high-temperature water in the upper strata water tank 2 flows into lithium-bromide absorption-type refrigerating machine group 5 refrigeration, and the water at low temperature after the refrigeration flows back to lower floor's water tank 3 from lithium-bromide absorption-type refrigerating machine group 5.
Because upper strata water tank 2 provides the water that freezes summer, therefore 100 ℃-120 ℃ of water temperatures also must be provided with safety air vavle 15 to play explosion-proof.When the temperature in the upper strata water tank 2 surpassed 120 ℃, then safety air vavle 15 was opened automatically and is put steam, closes automatically after temperature is got back to 120 ℃.When the temperature in the upper strata water tank 2 was lower than 100 ℃, auxiliary thermal source 8 was opened, and closed after the water temperature in the heating upper strata water tank 2 arrives 100 ℃.
Lower floor's water tank 3 has lower header metal line 18, when the water level in lower floor's water tank 3 arrives lower header metal line 18, unidirectional drain valve 16 cuts out, close with the running water pipe 12 that lower floor water tank 3 links to each other, circulating pump 10 starts simultaneously, water in lower floor's water tank 3 pumps to solar thermal collector 1 by circulating pump 10 after filtering through filter 9, provides water at low temperature to solar thermal collector 1.Above-mentioned automatic control is finished by controller 7.Above lower header metal line 18, be provided with overfall 6, when the dilutional hyponatremia in lower floor's water tank 3, can flow out from this overfall 6.
The winter heating system is heat exchanger 13 or selects other winter heating equipment commonly used as required for use, and this heat exchanger 13 links to each other with lower floor water tank 3, and hot water in lower floor's water tank 3 and heat exchanger 13 carry out heat exchange, satisfy the needs of heat supply in winter.The winter heating water requires temperature can not be lower than 60 ℃, if bad weather, heat collector heat energy is not enough, make the temperature of lower floor's water tank 3 be lower than 60 ℃, then controller 7 sends instruction, and auxiliary thermal source 8 is opened automatically, the water in lower floor's water tank 3 is heated to 80 ℃ closes automatically.
Annual hot water supply system is because of contacting with human body, and water quality must arrive drinking water standard, thus must be by the municipal tap water direct-furnish, and isolated operation can not mix with other water.Annual hot water supply system directly enters water supply tank 4 by the municipal tap water by running water pipe 12, utilizes the temperature heating of lower floor's water tank 3, makes the interior water temperature of water supply tank more than 60 ℃.Manually be adjusted to the suitable temperature of user by hot-and-cold water mixer 11 during use, supply with domestic waters such as bathroom 20 or hand washing sink 21 and use.
Solar-heating refrigeration system of the present utility model, water filling switching device shifter 14 switches to 2 water fillings of upper strata water tank when using summer, and this moment, the summer air-conditioning refrigeration system was opened, the winter heating system closing.If this operation is to start shooting first, under all anhydrous situation of levels water tank, then start running water pipe 12 earlier to solar thermal collector 1 water filling, rely on the pressure of running water that the high-temperature water in the solar thermal collector 1 is injected upper strata water tank 2 via water filling switching device shifter 14.When the water level of upper strata water tank 2 reaches upper water box metal line 17, unidirectional drain valve 16 starts, water filling in lower floor's water tank 3, the summer air-conditioning refrigeration system starts simultaneously, high-temperature water in the upper strata water tank 2 enters lithium-bromide absorption-type refrigerating machine group 5, again by lithium-bromide absorption-type refrigerating machine group 5 to lower floor's water tank 3 backwater.
When the liquid level of lower floor's water tank 3 arrived lower header metal line 18, circulating pump 10 started, and running water pipe 12 is closed automatically, was supplied water to solar thermal collector 1 by lower floor's water tank 3.Water level in lower floor's water tank 3 is too high, then flows out automatically from overfall 6.If water tank 2 temperature in upper strata surpass 120 ℃, then safety air vavle 13 is opened automatically and is put steam to temperature and get back to 120 ℃ and close automatically.If the temperature of upper strata water tank 2 is lower than 100 ℃, then auxiliary thermal source 8 is opened automatically, closes after the water temperature in the heating upper strata water tank 2 arrives 100 ℃.Water supply tank 4 utilizes the water in lower floor's water tank 3 to be heated to more than 60 ℃, and life hot water is provided.Above automatic control is all finished by controller 7.
When using in the winter time, water filling switching device shifter 14 control solar thermal collectors 1 are opened the winter heating system simultaneously to 3 water fillings of lower floor's water tank, close the summer air-conditioning refrigeration system.Hot water in lower floor's water tank 3 enter heat exchanger 13, again by the return pipe of heat exchanger 13 to lower floor's water tank 3 backwater.The water of lower floor's water tank 3 is given solar thermal collector 1 moisturizing by solution pump 10 pressurized circulation after filtering through filter 9.Water supply tank 4 utilizes the water in lower floor's water tank 3 to be heated to more than 60 ℃, and life hot water is provided.Lower floor's water tank 3 heat accumulation temperature are 60 ℃-100 ℃, and when the temperature of lower floor's water tank 3 is lower than 60 ℃, then controller 7 sends instruction, and auxiliary thermal source 8 is opened automatically, the water in lower floor's water tank 3 is heated to 80 ℃ closes automatically.
Solar-heating refrigeration system of the present utility model, make the solar energy that summer, solar thermal collector absorbed to provide the summer air-conditioning refrigeration to use, enlarged the time range that solar energy utilizes, make the annual supply and demand of solar thermal energy reach balance, and can save the electric energy that is used for air-conditioning in a large number in summer, reduce cost, reach the useful technique effect of energy-conserving and environment-protective.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.

Claims (10)

1. a solar-heating refrigeration system is characterized in that, comprises
Heat storage water tank comprises the upper strata water tank of being located at the upper strata, is located at lower floor's water tank of lower floor and is located at the interior water supply tank of lower floor's water tank, is provided with unidirectional drain valve between described upper strata water tank and the lower floor's water tank;
The water filling switching device shifter is located between upper strata water tank and the lower floor's water tank, switch flow of hot water to;
Solar thermal collector, top connect described water filling switching device shifter, and to flow out high-temperature water, the below connects running water pipe and lower floor's water tank, to flow into water at low temperature;
Summer, refrigerated air-conditioning system connected described upper strata water tank, utilized the water-heating cooling of described upper strata water tank;
The winter heating system connects described lower floor water tank, utilizes the hot water heating of described lower floor water tank;
Annual hot water supply system connects described water supply tank, and life hot water is provided.
2. solar-heating refrigeration system as claimed in claim 1, it is characterized in that, described summer, refrigerated air-conditioning system comprised lithium-bromide absorption-type refrigerating machine group and air-conditioning box, described lithium-bromide absorption-type refrigerating machine group connects described upper strata water tank and lower floor's water tank, with the high-temperature water that receives described upper strata water tank and to described lower floor water tank backwater; Described air-conditioning box connects described lithium-bromide absorption-type refrigerating machine group.
3. solar-heating refrigeration system as claimed in claim 1 is characterized in that, described winter heating system is the heat exchanger that links to each other with described lower floor water tank.
4. solar-heating refrigeration system as claimed in claim 1 is characterized in that, described annual hot water supply system comprises running water pipe, connects described water supply tank and provides the municipal tap water to water supply tank; Hot-and-cold water mixer connects described water supply tank, discharges the hot water of described water supply tank.
5. solar-heating refrigeration system as claimed in claim 1 is characterized in that, is equipped with auxiliary thermal source in described upper strata water tank and the lower floor's water tank.
6. solar-heating refrigeration system as claimed in claim 1 is characterized in that, is provided with safety air vavle in the water tank of described upper strata.
7. solar-heating refrigeration system as claimed in claim 1 is characterized in that, is provided with the upper water box metal line in the water tank of described upper strata, is provided with the lower header metal line in the described lower floor water tank.
8. solar-heating refrigeration system as claimed in claim 7 is characterized in that described lower header has overfall, and described overfall is located on the described lower header metal line.
9. solar-heating refrigeration system as claimed in claim 1 is characterized in that, described lower floor water tank is connected described solar thermal collector by filter with water circulating pump.
10. solar-heating refrigeration system as claimed in claim 1 is characterized in that, described solar-heating refrigeration system also comprises controller, in order to described solar-heating refrigeration system is controlled automatically.
CN2010201788122U 2010-04-28 2010-04-28 Solar heating and cooling system Expired - Lifetime CN201637196U (en)

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Application Number Priority Date Filing Date Title
CN2010201788122U CN201637196U (en) 2010-04-28 2010-04-28 Solar heating and cooling system

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CN201637196U true CN201637196U (en) 2010-11-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080880A (en) * 2010-04-28 2011-06-01 北京汉通科技有限责任公司 Solar heat supply refrigerating system
CN105674620A (en) * 2016-03-30 2016-06-15 中节能先导城市节能有限公司 Hot water and energy supply system utilizing solar energy, gas-fired boiler and lithium-bromide-refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080880A (en) * 2010-04-28 2011-06-01 北京汉通科技有限责任公司 Solar heat supply refrigerating system
CN102080880B (en) * 2010-04-28 2013-01-02 北京汉通科技有限责任公司 Solar heat supply refrigerating system
CN105674620A (en) * 2016-03-30 2016-06-15 中节能先导城市节能有限公司 Hot water and energy supply system utilizing solar energy, gas-fired boiler and lithium-bromide-refrigerator

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AV01 Patent right actively abandoned

Granted publication date: 20101117

Effective date of abandoning: 20130306

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