CN202675641U - Three-proofing solar water heater - Google Patents

Three-proofing solar water heater Download PDF

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Publication number
CN202675641U
CN202675641U CN 201220157439 CN201220157439U CN202675641U CN 202675641 U CN202675641 U CN 202675641U CN 201220157439 CN201220157439 CN 201220157439 CN 201220157439 U CN201220157439 U CN 201220157439U CN 202675641 U CN202675641 U CN 202675641U
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magnetic valve
way magnetic
water
attemperater
thermal collector
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CN 201220157439
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Chinese (zh)
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袁同斌
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SHANGHAI ZHAIYUAN NEW ENERGY TECHNOLOGY Co Ltd
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SHANGHAI ZHAIYUAN NEW ENERGY TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The utility model relates to the technical field of solar water heaters, in particular to a three-proofing solar water heater. The three-proofing solar water heater comprises a solar thermal collector, a water inlet pipeline, a water outlet pipeline and a heat preservation water tank, wherein the solar thermal collector is connected with the heat preservation water tank through the water inlet pipeline and the water outlet pipeline. The water inlet pipeline is provided with a three-way magnetic valve I, a water inlet of the three-way magnetic valve I is connected with the solar thermal collector, and a water outlet B of the three-way magnetic valve I is connected with the heat preservation water tank or a non-pressure storage pot or a ground drain. The water outlet pipeline is provided with a three-way magnetic valve II, a water outlet of the three-way magnetic valve II is connected with the solar thermal collector, and a water inlet B of the three-way magnetic valve II is connected with the heat preservation water tank or the non-pressure storage pot or the ground drain. The three-way magnetic valve I and the three-way magnetic valve II are connected with a control device through lines. Compared with the prior art, the three-proofing solar water heater has the advantages of not only being anti-freezing, anti-overheating and anti-radiating, but also being good in use comfort degrees and little in one-time investment, and reducing cost and improving operation efficiency.

Description

A kind of three anti-solar water heaters
[technical field]
The utility model relates to technical field of solar water heaters, specifically a kind of three anti-solar water heaters.
[background technology]
At present the solar energy hot product mainly is divided into: 1. without pressure type all-in-one, 2. pressure-bearing type all-in-one, 3. pressure-bearing type split air conditioner.Wherein without the pressure type all-in-one, water tank and photo-thermal plate form one, and water tank does not bear pressure, and this product uses in the rural area low-end market, because it uses inconvenience, comfort level is poor, and the limitation of mounting condition can not be popularized in the city; Although the pressure-bearing type all-in-one has solved comfort level and awkward problem, mounting condition is still limited to, and can not popularize in the city; The pressure-bearing type split air conditioner is owing to the problem that has solved the mounting condition restriction, and comfort is good, can be generalizable in life of urban resident.The pressure-bearing type split air conditioner is divided into again: circulation primary heat exchange type of pressure-bearing split, circulation secondary heat exchange type of pressure-bearing split and pressure-bearing split secondary cycle secondary heat exchange formula (are commonly called as: the reverse-flow type solar water heater).
All there is following problem in above three types solar water heater except secondary cycle secondary heat exchange formula (reverse-flow type solar water heater): one, overheated: summer solar illuminance strong, sunshine-duration is long, the surface water temperature is high, solar energy optical-thermal conversion amount is more than needed, cause the water tank whole system overheated, causing pressure raises, temperature raises, each seal of destruction system, damage water tank, reduce product service life, cause safety valve frequently to open, the sun falls system temperature and reduces system pressure decline, and cold water covers the reduction water tank temperature, and impact is used; Under HTHP, use water tank hot water impact and the noise of water hammer can occur for the split type circulation primary heat exchange product of pressure-bearing, had a strong impact on serviceability; Product for a circulation secondary heat exchange also can be owing to the overheated circulatory mediator that causes gasifies, circulatory mediator is obstructed from the circulatory mediator disappearance circulation that air bleeding valve releases the system of causing, system quits work, water tank can't absorb heat and solar thermal collector can't be converted to water tank with the heat that absorbs, the temperature of system can sharply raise, so vicious circle, system will thoroughly destroy.Two, heat radiation: have in the sun situation, the photo-thermal conversion heat can constantly pass to storage tank by pump circulation or Natural Circulation, and to not having cloudy day or a night of the sun, solar thermal collector can absorb without sunshine, if water tank causes convection current under the effect of the circulatory mediator in the circulation line at water tank temperature being heated under the keeping warm mode, the solar thermal collector of this moment has become radiator, the heat of water tank is constantly spread in air by solar thermal collector and circulation line under the ringing of circulatory mediator, so that the loss of the storing heat of water tank strengthens, reduce available hot water, lowered the overall efficiency of system.Three, the damage of freezing winter: at the sleet season and the cloudy day that do not have the sun, environment temperature is lower than the freezing point of circulatory mediator, can cause the circulatory mediator of system to freeze, whole system is damaged, even if system has adopted secondary to exchange antifreeze circulatory mediator, part has solved antifreeze problem, but its radiation loss is also very serious, and loses heat was about 50% of whole water tank storing heat in 24 hours.
And pressure-bearing split secondary cycle secondary heat exchange formula (is commonly called as: the reverse-flow type solar water heater), although do not have above-mentioned overheated, heat radiation and freeze winter and damage three problems, but owing to needing to configure two circulating pumps, secondary heat exchanger and 40L attemperater in its system, one of them circulating pump is the open circulation pump, its lift will be more than the 10-20m water column, thereby cost compare is high, and disposable having high input used very uneconomical.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of three anti-solar water heaters are provided, not only can antifreeze, anti-overheated, anti-heat radiation, and also easy for installation, comfort is good, and disposable input is little, has reduced cost, operation is renderd a service high, very economical practicality.
Design for achieving the above object a kind of three anti-solar water heaters, comprise solar thermal collector 1, inlet channel 2, outlet conduit 3 and attemperater 5, described solar thermal collector 1 is by inlet channel 2, outlet conduit 3 links to each other with attemperater 5, be provided with three-way magnetic valve I 6 in the described inlet channel 2, described three-way magnetic valve I water inlet 61 connects solar thermal collector 1, described three-way magnetic valve I water outlet B 63 connects attemperater 5, described three-way magnetic valve I water outlet A 62 connects with no pressure storage tank 7 or floor drain 20, be provided with three-way magnetic valve II 8 in the described outlet conduit 3, described three-way magnetic valve II delivery port 81 connects solar thermal collector 1, described three-way magnetic valve II water inlet B 83 connects attemperater 5, described three-way magnetic valve II water inlet A 82 connects with no pressure storage tank 7 or floor drain 20, described three-way magnetic valve I 6, three-way magnetic valve II 8 is by the line connection control device.
Described control device comprises controller 9 and high-temperature protector 10, and described controller 9 and high-temperature protector 10 are by connection, and described three-way magnetic valve I 6, three-way magnetic valve II 8 are by line connecting controller 9.
Be provided with electrically heated rod 16 in the described attemperater 5, described electrically heated rod 16 is installed on the inwall of attemperater 5, and described electrically heated rod 16 is by line connecting controller 9.
In the described outlet conduit 3 circulating pump 4 is installed, described circulating pump 4 is by line connecting controller 9.
On the described solar thermal collector 1 heat collector temperature sensor 11 is housed, water tank upper temperature sensor 12 is equipped with at described attemperater 5 inner and upper places, water tank temperature of lower sensor 13 is equipped with at place, described attemperater 5 inner below, environment temperature sensor 14 is equipped with at described controller 9 places, on described circulating pump 4 shells pump temperature sensor 15 is housed.
The exit of circulating pump 4 is equipped with electronic flow switch or mechanical flow balanced valve 19 in the described outlet conduit 3.
Air bleeding valve 17 is equipped with in described solar thermal collector 1 upper end, and described air bleeding valve 17 links to each other with inlet channel 2.
Be provided with check valve 18 in the described inlet channel 2, described check valve 18 is installed in three-way magnetic valve I water outlet B 63 places.
Described attemperater 5 connects without pressure tank 21 by pipeline.
Be provided with two three-way electromagnetic valves 22 in the described outlet conduit 3, described two three-way electromagnetic valves 22 link to each other with floor drain 20.
The utility model is compared with prior art, has following advantage:
1. reduce the solar water heater radiation loss, improved the operation of solar water heater and renderd a service, solved the anti-heat dissipation problem of solar water heater;
2. prevented from freezing when solar water heater winter is without sunshine and damaged, solved the antifreeze problem of solar water heater;
3. prevent that the sunshine-duration in summer is long, intensity of solar radiation is high, and the tap water supply temperature is high in addition, and using amount of hot water is little to cause solar water heater water tank and system overheat, damages seal and water tank,, solved the anti-problems of excessive heat of solar water heater;
4. the utility model is compared with pressure-bearing split secondary cycle secondary heat exchange formula, owing to having omitted secondary heat exchanger, above circulating pump and the 40L attemperater of 10-20m water column, but be provided with two two-position three way magnetic valves, thereby disposable input is little, reduce cost, solved the three large defectives that solar water heater is overheated, dispel the heat, freeze with most economical easily method;
5. take the solar water heater of attemperater volume 270L as example, under the out-of-work keeping warm mode of spring and autumn node solar heat collector, the ringing that the circulatory mediator temperature difference in the pipeline causes was about 3KWH in 24 hours by the heat of solar thermal collector and circulation line diffusion, 24 hours winters, the heat of diffusion was about 6KWH, account for respectively the 20%-50% that whole solar energy system absorbs heat, and the utility model has then thoroughly been stopped this loss when system is in the standby keeping warm mode.
[description of drawings]
Fig. 1 is structural representation one of the present utility model (three anti-, split, water tank underlying pressure-bearing solar water heater);
Fig. 2 is the wiring schematic diagram of Fig. 1;
Fig. 3 is structural representation two of the present utility model (three anti-one, plate pressure-bearing solar water heater);
Fig. 4 is structural representation three of the present utility model (three anti-one, heat pipe pressure-bearing solar water heater);
Fig. 5 is structural representation four of the present utility model (three anti-one, dull and stereotyped non-pressure-bearing solar water heater);
Fig. 6 is structural representation five of the present utility model (three anti-one, the non-pressure-bearing solar water heater of vacuum tube);
Fig. 7 is structural representation six of the present utility model (putting pressure-bearing solar water heater on three anti-splits, heat pipe, the water tank);
Fig. 8 is the scheme of installation of solar thermal collector among Fig. 3 to Fig. 6;
Among the figure: 1; solar thermal collector 2; inlet channel 3; outlet conduit 4; circulating pump 5; attemperater 6; three-way magnetic valve I 7; with no pressure storage tank 8; three-way magnetic valve II 9; controller 10; high-temperature protector 11; heat collector temperature sensor 12; water tank upper temperature sensor 13; water tank temperature of lower sensor 14; environment temperature sensor 15; pump temperature sensor 16; electrically heated rod 17; air bleeding valve 18; check valve 19; electronic flow switch or mechanical flow balanced valve 20; floor drain 21; without pressure tank 22; two three-way electromagnetic valves 61; three-way magnetic valve I water inlet 62; three-way magnetic valve I water outlet A 63; three-way magnetic valve I water outlet B 81; three-way magnetic valve II delivery port 82; three-way magnetic valve II water inlet A 83; three-way magnetic valve II water inlet B.
[specific embodiment]
Further specify below below in conjunction with accompanying drawing the utility model being done:
As shown in Figures 1 and 2, for: " three is anti-; split; water tank underlying pressure-bearing solar water heater ", comprise: solar thermal collector 1, inlet channel 2, outlet conduit 3 and attemperater 5, described solar thermal collector 1 is by inlet channel 2, outlet conduit 3 links to each other with attemperater 5, be provided with three-way magnetic valve I 6 in the described inlet channel 2, described three-way magnetic valve I water inlet 61 connects solar thermal collector 1, described three-way magnetic valve I water outlet B 63 connects attemperater 5, described three-way magnetic valve I water outlet A 62 connects with no pressure storage tank 7, be provided with three-way magnetic valve II 8 in the described outlet conduit 3, described three-way magnetic valve II delivery port 81 connects solar thermal collector 1, described three-way magnetic valve II water inlet B 83 connects attemperater 5, described three-way magnetic valve II water inlet A 82 connects with no pressure storage tank 7, described three-way magnetic valve I 6, three-way magnetic valve II 8 is by the line connection control device.Described control device comprises controller 9 and high-temperature protector 10, and described controller 9 and high-temperature protector 10 are by connection, and described three-way magnetic valve I 6, three-way magnetic valve II 8 are by line connecting controller 9.Be provided with electrically heated rod 16 in the described attemperater 5, described electrically heated rod 16 is installed on the inwall of attemperater 5, and described electrically heated rod 16 is by line connecting controller 9.In the described outlet conduit 3 circulating pump 4 is installed, described circulating pump 4 is by line connecting controller 9.On the described solar thermal collector 1 heat collector temperature sensor 11 is housed, water tank upper temperature sensor 12 is equipped with at described attemperater 5 inner and upper places, water tank temperature of lower sensor 13 is equipped with at place, described attemperater 5 inner below, environment temperature sensor 14 is equipped with at described controller 9 places, on described circulating pump 4 shells pump temperature sensor 15 is housed.The exit of circulating pump 4 is equipped with electronic flow switch or mechanical flow balanced valve 19 in the described outlet conduit 3, and described electronic flow switch or mechanical flow balanced valve are by line connecting controller 9.Air bleeding valve 17 is equipped with in described solar thermal collector 1 upper end, and described air bleeding valve 17 links to each other with inlet channel 2.Be provided with check valve 18 in the described inlet channel 2, described check valve 18 is installed in three-way magnetic valve I water outlet B 63 places.
When described solar water heater is in the insulation holding state, the attemperater circulation port is closed, circulating line beyond the attemperater and the turnover recirculated water of solar thermal collector are drained, such as the per 10 meters long pipe runs water capacity 1.77L of DN15 pipeline, be used for other purposes after the water of discharging can be collected, again by circulating pump water pumped into system in the time of also can in the system of circulating pump is arranged, working.Circulation line is in without the circulatory mediator state, and the inlet channel and the outlet conduit that are connected with attemperater are closed, so can effectively prevent: the heat radiation, overheated, freeze.When attemperater need to heat again, via controller is judged, and solar thermal collector satisfies the heat supply running condition, then three-way magnetic valve I and three-way magnetic valve II commutation, emptying pipeline is closed, and closed circuit and attemperater path are opened, and system pipeline and solar thermal collector are filled with water under tap water pressure, pipeline air is discharged automatically by air bleeding valve, and system starts working.If any circulating pump, postpone one minute, circulating pump is opened, solar energy system begins heating, after satisfying the attemperater design temperature, system pipeline and attemperater path are closed, and system and with no pressure storage tank or floor drain are connected, and the solar thermal collector upper end peak on system top is provided with air bleeding valve and communicates with atmosphere.The water of systemic circulation pipeline and solar thermal collector is all got back to water tank or floor drain under Action of Gravity Field, system is in holding state again, so repeatedly.Under holding state, utilize the method for circulatory mediator automatic-discharging, effectively stopped system overheat, heat radiation, frozen.
Such as accompanying drawing 3 to shown in the accompanying drawing 7, " circulatory mediator exhaust method " can be used in except solar thermal collector directly inserts anyly the cistern system has an externally hydronic solar energy system of pipeline of circulatory mediator, i.e. as shown in Figure 3 " three anti-one, plate pressure-bearing solar water heater ", " three anti-one shown in the accompanying drawing 4, heat pipe pressure-bearing solar water heater ", " three anti-one shown in the accompanying drawing 5, dull and stereotyped non-pressure-bearing solar water heater ", " three anti-one shown in the accompanying drawing 6, the non-pressure-bearing solar water heater of vacuum tube ", " the three anti-splits shown in the accompanying drawing 7, heat pipe, put pressure-bearing solar water heater on the water tank ".Accompanying drawing 3 is to accompanying drawing 7, and three-way magnetic valve I 6 delivery ports connect floor drain 20, and three-way magnetic valve II 8 water inlets connect floor drain 20; Accompanying drawing 5 connects without pressure tank 21 by pipeline with attemperater during accompanying drawing is connected; Be provided with two three-way electromagnetic valves 22 in the outlet conduit 3 in the accompanying drawing 7, this two three-way electromagnetic valve 22 links to each other with floor drain 20, helps circulatory mediator emptying; The scheme of installation of accompanying drawing 8 solar thermal collector that is accompanying drawings 3 to the accompanying drawing 6.
In the utility model, the temperature of heat collector temperature sensor is that the temperature of T1, water tank upper temperature sensor is that the temperature of T2, water tank temperature of lower sensor is that the temperature of T3, environment temperature sensor is T4, and the temperature of pump temperature sensor is T5.
The operation principle of attached illustrated in figures 1 and 2 " three anti-, split, water tank underlying pressure-bearing solar water heater " is:
As T1〉T4, T3 be less than 5 ℃ of attemperater design temperatures, (T1-T3)〉10 ℃, controller is to three-way magnetic valve I and the energising of three-way magnetic valve II, the three-way magnetic valve I: three-way magnetic valve I water inlet 61-three-way magnetic valve I water outlet B 63 is logical, three-way magnetic valve I water inlet 61-three-way magnetic valve I water outlet A 62 is closed, the three-way magnetic valve II: three-way magnetic valve II delivery port 81-three-way magnetic valve II water inlet B 83 is logical, and three-way magnetic valve II delivery port 81-three-way magnetic valve II water inlet A 82 is closed; From the trend system water supplement, automatically discharge by air bleeding valve by system air under the tap water pressure effect for attemperater, and 30m long pipe runs rate of water make-up is about the every 10m of 5.3L(pipeline, rate of water make-up 1.76L).Three-way magnetic valve I and three-way magnetic valve II get electric rear delay 120 seconds, the filled water amount was greater than 16L in 120 seconds, 16L is far longer than the water yield 5.3L that system need inject, thereby guarantee that system fills with water, circulating pump is opened, system enters duty, and check in good time, T1 whether greater than T3 more than 10 ℃, whether T2 more than or equal to the attemperater design temperature, whether T5 surpasses T3 15 ℃ i.e. (T5-T3)〉15 ℃, if: (T5-T3)〉15 ℃, then system's operation is undesired, and circulating pump may dally, system provides warning, and switches to the fault holding state.Herein, as (T5-T3)〉15 ℃ times, be system's operation undesired, circulating pump idle running, the accuracy of these data can obtain by further test.As: as described in the exit of outlet conduit circulating pump the electronic flow switch is installed, also can judge running situation by flow switch: whether circulating pump dallies and uninterrupted.
When: T2 〉=attemperater design temperature, system's operation stops, controller switching is to holding state, thereby circulating pump is out of service, the three-way magnetic valve I: three-way magnetic valve I water inlet 61-three-way magnetic valve I water outlet A 62 is logical, three-way magnetic valve I water inlet 61-three-way magnetic valve I water outlet B 63 is closed the three-way magnetic valve II: three-way magnetic valve II water inlet A 82-three-way magnetic valve II delivery port 81 is logical, and three-way magnetic valve II water inlet B 83-three-way magnetic valve II delivery port 81 closes; The circulatory system is closed, attemperater be in the isolation of system state under be incubated, effectively stop the heat radiation of system.System's inlet channel and outlet conduit pass through the three-way magnetic valve I: three-way magnetic valve I water inlet 61-three-way magnetic valve I water outlet A 62 is logical, the three-way magnetic valve II: three-way magnetic valve II water inlet A 82-three-way magnetic valve II delivery port 81 is logical, and link to each other with the with no pressure storage tank, the solar thermal collector top is provided with air bleeding valve and communicates with atmosphere, so under the weight effect, water in the system approximately 5.3L can empty to all that system is in without the circulatory mediator state in the with no pressure storage tank, so just anti-locking system is freezing in the winter time effectively, summer is overheated under illumination, and circulatory mediator forms convection current in the system under the driving of temperature difference, by problems such as solar thermal collector heat radiations.
When: T2 was lower than 5 ℃ of attemperater design temperatures, system condition satisfied T1 again〉T4, T1-T3〉10 ℃, system again moves by working procedure and restarts.So repeatedly, system opens, stops to switch 1-2 time every day generally speaking.
When: T2 is lower than 5 ℃ of attemperater design temperatures, and system condition does not satisfy T1〉T4 and T1-T3〉10 ℃, illustrate that then cloudy solar thermal collector can not work, the circulatory system is closed, and attemperater is in the auxiliary lower work of electrically heated rod; As overcast to clear, condition is in case satisfied, and then electrically heated rod withdraws from immediately, and system can automatically switch to the solar energy heating state by abovementioned steps.
In addition, system drains into water such as the need of with no pressure storage tank and reuses under holding state, then need: 1. circulating pump must be installed in circulating pump in the journey situation below the with no pressure storage tank without inhaling, 2. circulating pump lift must differ from more than 1.5 times greater than solar thermal collector and attemperater setting height(from bottom), 3. reprogramming is before operation: the three-way magnetic valve I: three-way magnetic valve I water inlet 61 closes with three-way magnetic valve I water outlet A 62, three-way magnetic valve I water inlet 61 is logical with three-way magnetic valve I water outlet B 63, the three-way magnetic valve II: three-way magnetic valve II water inlet A 82 is logical with three-way magnetic valve II delivery port 81, and three-way magnetic valve II water inlet B 83 is closed with three-way magnetic valve II delivery port 81; The ON cycle pump, move 60 seconds, the with no pressure tank water is refilled system, after 60 seconds, the three-way magnetic valve II: three-way magnetic valve II water inlet A 82 is closed with three-way magnetic valve II delivery port 81, three-way magnetic valve II water inlet B 83 is logical with three-way magnetic valve II delivery port 81, and the three-way magnetic valve I is kept: three-way magnetic valve I water inlet 61 closes with three-way magnetic valve I water outlet A 62, and three-way magnetic valve I water inlet 61 is logical with three-way magnetic valve I water outlet B 63.Circulating pump continues operation, and detects T1, T2, T3, T4, T5 by controller in good time, according to the operation logic relation keep operation withdraw from standby or protection or electrically heated rod auxiliary.
Accompanying drawing 3 is basic identical to operation principle and the operation principle shown in accompanying drawing 1 and the accompanying drawing 2 of accompanying drawing 7, the difference part only is that the system shown in accompanying drawing 1 and the accompanying drawing 2 is by the circulating pump forced circulation, and accompanying drawing 3 is to the system shown in the accompanying drawing 7, attemperater is on solar thermal collector top, circulatory mediator (water) is under the effect of temperature difference, form free convection, do not need circulating pump, its principle is summarized as follows: (in three magnetic valves: one of them is two three-way electromagnetic valves for system's two three-way magnetic valves of installation or three magnetic valves, two is three-way magnetic valve in addition), during standby, three-way magnetic valve or three-way magnetic valve and two three-way electromagnetic valves are by controller switching extremely: the passage of evacuation port is opened, medium (water) in the pathway closure of attemperater and circulation line, circulation line is drained, thereby reaches the purpose of " three is anti-"; Magnetic valve by controller switching extremely during operation: the passage of attemperater and circulation line is opened, the pathway closure of evacuation port, medium (water) is by temperature difference Natural Circulation in the pipeline between solar thermal collector and the attemperater, thereby so that solar thermal collector absorbs heat by the photo-thermal conversion, transmit to the top attemperater endlessly, finally reach the purpose of heat absorption, heat accumulation.
In the utility model, accompanying drawing 3 is to accompanying drawing 7, having represented to use this principle prevents (antifreeze in integral type and Solar Enercy Fission Geyser (water tank is on heat collector top) pressure-bearing and unpressurized three, anti-overheated, anti-heat radiation) the applicable example schematic diagram of merit, its operation principle and accompanying drawing 1 and accompanying drawing 2 are basic identical, its central principle also be by two three-way magnetic valves (or two three-way magnetic valves and two three-way electromagnetic valves) switch in standby the time open the evacuation port pipeline, emptying circulatory mediator (water), close simultaneously attemperater and import and export circulation canal, reach three anti-purposes.Evacuation port is closed in switching by three-way magnetic valve during operation, opens circulation port, system in water tank under the tap water pressure effect, top-off cycle medium (water).Medium is Natural Circulation under action of thermal difference, finishes the purpose to the attemperater heating.This three anti-integral type and Solar Enercy Fission Geyser (water tank is on heat collector top) are compared with three anti-Solar Enercy Fission Geysers (water tank is in the heat collector bottom), advantage is: can not use circulating pump, finish equally the heat of solar thermal collector toward the purpose of attemperater transmission, its detailed operation principle this paper no longer is further elaborated.
The utility model is not subjected to the restriction of above-mentioned embodiment; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (10)

1. prevent solar water heater for one kind three, comprise solar thermal collector (1), inlet channel (2), outlet conduit (3) and attemperater (5), described solar thermal collector (1) is by inlet channel (2), outlet conduit (3) links to each other with attemperater (5), it is characterized in that: be provided with three-way magnetic valve I (6) in the described inlet channel (2), described three-way magnetic valve I water inlet (61) connects solar thermal collector (1), described three-way magnetic valve I water outlet B (63) connects attemperater (5), described three-way magnetic valve I water outlet A (62) connects with no pressure storage tank (7) or floor drain (20), be provided with three-way magnetic valve II (8) in the described outlet conduit (3), described three-way magnetic valve II delivery port (81) connects solar thermal collector (1), described three-way magnetic valve II water inlet B (83) connects attemperater (5), described three-way magnetic valve II water inlet A (82) connects with no pressure storage tank (7) or floor drain (20), described three-way magnetic valve I (6), three-way magnetic valve II (8) is by the line connection control device.
2. as claimed in claim 1 three prevent solar water heaters; it is characterized in that: described control device comprises controller (9) and high-temperature protector (10); described controller (9) and high-temperature protector (10) are by connection, and described three-way magnetic valve I (6), three-way magnetic valve II (8) are by line connecting controller (9).
3. as claimed in claim 1 or 2 three prevent solar water heaters, it is characterized in that: be provided with electrically heated rod (16) in the described attemperater (5), described electrically heated rod (16) is installed on the inwall of attemperater (5), and described electrically heated rod (16) is by line connecting controller (9).
4. as claimed in claim 3 three prevent solar water heaters, it is characterized in that: circulating pump (4) is installed in the described outlet conduit (3), and described circulating pump (4) is by line connecting controller (9).
5. as claimed in claim 4 three prevent solar water heaters, it is characterized in that: heat collector temperature sensor (11) is housed on the described solar thermal collector (1), water tank upper temperature sensor (12) is equipped with at described attemperater (5) inner and upper place, water tank temperature of lower sensor (13) is equipped with at place, the inner below of described attemperater (5), described controller (9) locates to be equipped with environment temperature sensor (14), on described circulating pump (4) shell pump temperature sensor (15) is housed.
6. as claimed in claim 5 three prevent solar water heaters, it is characterized in that: the exit of circulating pump (4) is equipped with electronic flow switch or mechanical flow balanced valve (19) in the described outlet conduit (3).
7. as claimed in claim 6 three prevent solar water heaters, it is characterized in that: air bleeding valve (17) is equipped with in described solar thermal collector (1) upper end, and described air bleeding valve (17) links to each other with inlet channel (2).
8. as claimed in claim 7 three prevent solar water heaters, and it is characterized in that: be provided with check valve (18) in the described inlet channel (2), described check valve (18) is installed in three-way magnetic valve I water outlet B (63) and locates.
9. as claimed in claim 1 three prevent solar water heaters, it is characterized in that: described attemperater (5) connects without pressure tank (21) by pipeline.
10. as claimed in claim 1 three prevent solar water heaters, and it is characterized in that: be provided with two three-way electromagnetic valves (22) in the described outlet conduit (3), described two three-way electromagnetic valves (22) link to each other with floor drain (20).
CN 201220157439 2012-04-13 2012-04-13 Three-proofing solar water heater Expired - Fee Related CN202675641U (en)

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CN 201220157439 CN202675641U (en) 2012-04-13 2012-04-13 Three-proofing solar water heater

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Application Number Priority Date Filing Date Title
CN 201220157439 CN202675641U (en) 2012-04-13 2012-04-13 Three-proofing solar water heater

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CN202675641U true CN202675641U (en) 2013-01-16

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CN 201220157439 Expired - Fee Related CN202675641U (en) 2012-04-13 2012-04-13 Three-proofing solar water heater

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111412668A (en) * 2020-05-17 2020-07-14 敬西涛 Plateau explosion-proof dull and stereotyped unit water heater that prevents frostbite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111412668A (en) * 2020-05-17 2020-07-14 敬西涛 Plateau explosion-proof dull and stereotyped unit water heater that prevents frostbite
CN111412668B (en) * 2020-05-17 2024-05-21 敬西涛 Plateau explosion-proof anti-freezing flat plate single-machine water heater

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