CN1447080A - Fast hot water out device in solar water heater - Google Patents
Fast hot water out device in solar water heater Download PDFInfo
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- CN1447080A CN1447080A CN 02112824 CN02112824A CN1447080A CN 1447080 A CN1447080 A CN 1447080A CN 02112824 CN02112824 CN 02112824 CN 02112824 A CN02112824 A CN 02112824A CN 1447080 A CN1447080 A CN 1447080A
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- water
- hot water
- hot
- circulating pump
- circulation pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
A quickly flowing out hot water device of solar energy hot water generator includes a water tank and a main tube characterizing in parallel designing circulating tubes, the bottom of which connects with the bottom of the main tube and the top connects with the water tank to form a circulation water path by the tube, the main tube and the water tank outside of the water tank with a circulation pump and water flows from up to bottom. This invention compulsory circulation forces cold water staying in and flowing through the main tube to the water tank quickly before using, meanwhile, hot water in the tank makes up the difference.
Description
Technical field:
The present invention relates to solar water heater.
Background technology:
Solar water heater because of have advantage such as energy-conservation, pollution-free extremely people welcome, and obtain using in increasing place.Solar water heater of the prior art, except overflow pipe, other has a person in charge, by hot water and last cold water are shared down.There is such problem in actual the use, because the water tank of solar water heater must be placed on light receiving area, normally on roof, and water indoor beyond a segment distance always.Therefore, if not continuous water, after each water, the water that is trapped in the water pipe cools off rapidly because of can not get insulation.Once more during water, after opening the hot water tap, that at first discharges not only comprises the cold water that heat among the person in charge has distributed, and comprises that also the hot water that flows out from water tank when being responsible for, is responsible for the cold water that cools off because of heating.And the water place is far away more apart from water tank, then needs the cool water quantity of discharging many more.This drainage procedure brings the inconvenience in the use and the waste of water resource at least.
Summary of the invention:
Technical problem to be solved by this invention is to avoid above-mentioned weak point of the prior art, and a kind of fast hot water out device in solar water heater that can make solar water heater " plug and play " is provided.At any time,, do not need, can also directly flow out hot water rapidly through cooled water discharge as long as open the hot water tap.
Technical solution problem of the present invention is adopted used technical scheme:
The present invention includes water tank and upper end water receiving case, lower end towards the indoor person in charge who connects hot-water line.
Design feature of the present invention is to be set up in parallel circulation pipe, described circulation pipe lower end is communicated with person in charge lower end, the upper end is communicated with water tank, form circulation waterway by circulation pipe and the person in charge and water tank in that water tank is outside, circulating pump be set in the circulation waterway, the flow direction of recirculated water in the person in charge for from top to bottom.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The present invention makes the water that is trapped in the cold water among the person in charge and flows through and be responsible for and cool off by forced circulation, can be circulated in the water tank apace before using.In the time of circulation, the hot water in the water tank replenishes the person in charge.Thereby after short wait very, be positioned at indoor hot water tap and just can directly flow out hot water.The present invention not only is very easy to use by " circulation ", and has avoided the waste of the water resource that direct discharging cold water caused owing to " circulation ".Simultaneously, should " circulation " for having certain heat among the person in charge but temperature still is lower than the water of water tank temperature exists equally, therefore, " circulation " also reduced the loss of heat energy to a certain extent.
The present invention can realize control automatically by dynamoelectric water valve, flow sensor, temperature sensor etc. are set on respective line under the control of control circuit.Concrete control mode can comprise:
First kind of form: need use hot water when detecting the user by certain mode, such as, detect when having water to flow downward among the person in charge by flow sensor, if the leaving water temperature of the person in charge lower end that temperature sensor records≤preset temperature, and during the difference of water tank temperature and this temperature 〉=setting temperature difference, controller starts circulating pump, through after the short cycles, cold water among the person in charge is back to water tank fast, and is full of by the hot water in the water tank again.After this, the water outlet when detected person in charge lower end has reached design temperature, or the working time that reaches setting of circulating pump, or water tank water temperature and difference≤setting temperature difference of being responsible for the lower end leaving water temperature, and then circulating pump is controlled quits work.Afterwards, be connected among the hot water tap on the hot-water line and can directly flow out hot water.
Second kind of form: need use hot water when detecting the user by certain mode, such as, detect when having water to flow downward among the person in charge by flow sensor, finish whether to control ON cycle pump and the length of decision ON cycle pump work time with hot water according to the last time to the time interval of this use.
The drawing explanation:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the embodiment of the invention 1 structural representation.
Fig. 3 is the embodiment of the invention 2 structural representations.
Fig. 4 is the embodiment of the invention 3 structural representations.
The specific embodiment:
Referring to Fig. 1, concrete enforcement comprises water-heater water tank 1 and is responsible for 2.Wherein, the person in charge 2 upper end water receiving case 1, lower end lead to indoor.
Shown in the figure, be set up in parallel circulation pipe 3, circulation pipe 3 lower ends are communicated with the person in charge 2 lower ends, the upper end is communicated with water tank 1, form circulation waterway with the person in charge 2 and water tank 1 in the water tank outside by circulation pipe 3, circulating pump 4 is set in the circulation waterway, and the flow direction of recirculated water is being responsible in 2 to from top to bottom.
Embodiment 1:
The specific constructive form of present embodiment as shown in Figure 2, it is responsible for 2 and directly links to each other in the lower end with circulation pipe 3, and has the hot water valve of leading up to 5 to be connected with hot-water line 12, other has the cold valves of leading up to 6 water receiving source capsules 7.
Present embodiment specifically adopts dynamoelectric water valve, and is provided with flow sensor (F) 10 at the delivery port place of hot water valve 5, is provided with temperature sensor (T) 11 in the lower end of being responsible for 2, to realize automatic control.
The course of work is as follows:
Original state is to have the water of capacity to need not to replenish in the water tank 1.At this moment, cold valves 6 is closed, and circulating pump 4 is not worked; If the water temperature in the water tank of temperature sensor reflection≤preset lowest temperature, then hot water valve 5 is closed, otherwise hot water valve 5 is opened.When hot water valve 5 is in open mode, be in the water tank 1 water enough heat, when in case the user opens among the figure hot water tap in the frame of broken lines zone or mixed water valve hot-water switch, controller learns that by having water to flow in the flow sensor detection hot water valve 5 user need use hot water, if the temperature of the water temperature of the person in charge lower end of temperature sensor reflection≤preset, and the water temperature in the water tank and the temperature difference of the difference 〉=setting of water temperature herein, then controller control hot water valve 5 is closed, start circulating pump 4 simultaneously, hot water is flowed out from water tank 1, through being responsible for 2, circulation pipe 3 and circulating pump 4, be back to again in the water tank 1, thereby the water temperature of the person in charge lower end that is in the water position is improved rapidly.Then, circulating pump 4 is out of service, and hot water valve 5 is opened.At this moment, hot water tap who opens or mixed water valve are very fast just to have hot water to use.
If water tank 1 needs to go up water, control open cold water valve 6 automatically and close hot water valve 5 by controller after testing, stop the operation of circulating pump 4 simultaneously.At this moment, rely on source pressure, through cold valves 6 and 2 pairs of water tank 1 moisturizings of the person in charge.After moisturizing is finished, closed cold valves 6 automatically, opened hot water valve 5 by controller after testing, stop to go up water, water heater is got back to original state.
Cold water moisturizing in the present embodiment and hot water effluent can not carry out simultaneously.
Embodiment 2:
The version of present embodiment as shown in Figure 3, being responsible for 2 communicates by circulating valve 8 in the lower end with circulation pipe 3, the person in charge 2 lower end has the hot water valve of leading up to 5 to be connected with hot-water line 12 in addition, the lower end of circulation pipe 3 has the cold valves of leading up to 6 water receiving source capsules 7 in addition, and circulating pump 4 is arranged on the branch road of circulation pipe 3.
For fear of the resistance of circulating pump 4 for the cold water water inlet, can on circulating pump 4, be arranged in parallel check-valves 9, its flow direction is identical with flowing to of circulating pump 4, from bottom to top.
Present embodiment specifically adopts dynamoelectric water valve, and is provided with flow sensor (F) 10 at the delivery port place of hot water valve 5, is provided with temperature sensor (T) 11 in the lower end of being responsible for 2, to realize automatic control.
The course of work is as follows:
Original state is to have the water of capacity to need not to replenish in the water tank 1.At this moment, cold valves 6 is closed, circulating pump 4 do not work.If the water temperature≤design temperature in the water tank, then hot water valve 5 is closed, otherwise hot water valve 5 is opened.When hot water valve 5 is in open mode, be that water in the water tank 1 is when enough warm, in case when the user opened any hot water tap in the zone that frame of broken lines is represented among the figure or mixed water valve hot-water switch, controller had detected water by flow sensor and has flowed and learn that the user need use hot water.At this moment, if be in the water temperature≤design temperature of the person in charge lower end of water position, and when the water temperature in the water tank and the temperature difference of water temperature difference value 〉=setting herein, controller control is closed hot water valve 5, is opened circulating-water valve 8 and start circulating pump 4 simultaneously, hot water is flowed out from water tank 1, through be responsible for 2, circulating-water valve 8, circulation pipe 3 and circulating pump 4, be back to again in the water tank 1, the water temperature at water place is improved rapidly.Afterwards, circulating pump 4 quits work, and hot water valve 5 is opened, and circulating valve 8 cuts out.At this moment, hot water tap who opens or mixed water valve are very fast just to have hot water to use.
When detecting water tank 1 and need moisturizing, cold valves 6 controlled unlatchings, the cold water in the water source tube 7 relies on himself pressure, through cold valves 6, circulation pipe 3, circulating pump 4 to water tank 1 moisturizing.After moisturizing is finished, close cold valves 6 automatically.
If in the moisturizing process, the hydraulic pressure of running water own is less or the circulating pump resistance is too big, can start circulating pump 4, or on circulating pump 4 check-valves 9 in parallel.
Present embodiment adds water and heat supply water can carry out simultaneously.
The foregoing description 1,2 is applicable to that water consumption devices such as hot water tap, mixed water valve are more concentrated, and from the nearer situation in temperature sensor T position.
Embodiment 3:
The version of present embodiment as shown in Figure 4, the person in charge 2 lower end is connected with circulation pipe 3 lower ends by hot-water line 12, and another road, circulation pipe 3 lower ends is by cold valves 6 water receiving source capsules 7, and circulating pump 4 is arranged in the person in charge 2 the branch road, be arranged in parallel check-valves 9 on the circulating pump 4, its flow direction is identical with circulating pump.
Present embodiment adopts dynamoelectric water valve equally, and relative set flow sensor (F) 10 and temperature sensor (T) 11 etc., to realize automatic control.
The concrete course of work is as follows:
Original state is to have the water of capacity to need not to add in the water tank 1.At this moment, cold valves 6 is closed, circulating pump 4 do not work.When the user opened among the figure any hot water tap in the frame of broken lines zone or mixed water valve hot-water switch, controller had detected water by flow sensor F and has flowed and learn that the user need use hot water.If water temperature≤design temperature near hot water tap and mixed water valve, and water temperature is therewith during the temperature gap 〉=setting temperature difference in the water tank, start circulating pump 4, hot water flows out from water tank 1, through circulating pump 4, the person in charge 2, flow sensor F, hot-water line 12, circulation pipe 3, be back to again in the water tank 1, the water temperature in the hot-water line 2 is improved rapidly.At this moment, if the user finds water that hot water tap or mixed water valve come out heat inadequately, hot water tap or mixed water valve can be closed again.After a while, open hot water tap or mixed water valve once more and just can directly flow out hot water.
When water tank needs moisturizing and circulating pump out of service after testing, then open cold valves 6 automatically, cold water relies on water source self pressure, through cold valves 6, circulation pipe 3 to water tank 1 moisturizing.After moisturizing is finished, close cold valves 6 automatically, stop to add water, solar water heater is got back to original state.
In the present embodiment moisturizing stage, circulating pump 4 does not move, and the hot water tap, mixes on the water consumption device such as water valve and can not use hot water.
In the present embodiment, can on hot-water line 12, be connected in series motor-driven valve, when opening cold valves 6, close this motor-driven valve, just can carry out the water supply of cold water moisturizing and hot water simultaneously near circulation pipe 3 and cold valves 6 junctions.When starting circulating pump 4, need open this motor-driven valve.
Present embodiment is particularly useful for being responsible for the lower end to the long situation of the hot-water line of water consumption devices such as hot water tap, mixed water valve.
Claims (6)
1, fast hot water out device in solar water heater, comprise that water tank (1) and upper end water receiving case, lower end lead to the indoor person in charge (2) who connects hot-water line, it is characterized in that being set up in parallel circulation pipe (3), described circulation pipe (3) lower end is communicated with the person in charge (2) lower end, the upper end is communicated with water tank (1), by circulation pipe (3) and be responsible for (2) and water tank (1) at the outside circulation waterway that forms of water tank, circulating pump (4) is set in the circulation waterway, the flow direction of recirculated water in being responsible for (2) for from top to bottom.
2, fast hot water out device in solar water heater according to claim 1, it is characterized in that the described person in charge (2) directly links to each other in the lower end with circulation pipe (3), and having the hot water valve of leading up to (5) to be connected with hot-water line (12), other has the cold valves of leading up to (6) water receiving source capsule (7).
3, fast hot water out device in solar water heater according to claim 1, it is characterized in that the described person in charge (2) communicates by circulating valve (8) in the lower end with circulation pipe (3), the lower end of being responsible for (2) has the hot water valve of leading up to (5) to be connected with hot-water line (12) in addition, the lower end of circulation pipe (3) has the cold valves of leading up to (6) water receiving source capsule (7) in addition, and circulating pump (4) is arranged on the branch road of circulation pipe (3).
4, fast hot water out device in solar water heater according to claim 3 is characterized in that being arranged in parallel check-valves (9) on described circulating pump (4), its flow direction flows to identical with circulating pump (4).
5, fast hot water out device in solar water heater according to claim 1, the lower end that it is characterized in that the described person in charge (2) is connected with circulation pipe (3) lower end by hot-water line (12), another road, circulation pipe (3) lower end is by cold valves (6) water receiving source capsule (7), circulating pump (4) is arranged in the branch road of the person in charge (2), be arranged in parallel check-valves (9) on the circulating pump (4), its flow direction is identical with circulating pump.
6, according to claim 2 or 3 or 5 described fast hot water out device in solar water heater, it is characterized in that described each water valve is dynamoelectric water valve, be provided with flow sensor (F) at the delivery port of hot water valve (5), be provided with temperature sensor (T) in the lower end of being responsible for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112824 CN1447080A (en) | 2002-03-26 | 2002-03-26 | Fast hot water out device in solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112824 CN1447080A (en) | 2002-03-26 | 2002-03-26 | Fast hot water out device in solar water heater |
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| Publication Number | Publication Date |
|---|---|
| CN1447080A true CN1447080A (en) | 2003-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02112824 Pending CN1447080A (en) | 2002-03-26 | 2002-03-26 | Fast hot water out device in solar water heater |
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| CN (1) | CN1447080A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900440A (en) * | 2010-07-13 | 2010-12-01 | 江苏富源节能电器有限公司 | Central control pipeline circulating device |
| CN101975415A (en) * | 2010-11-08 | 2011-02-16 | 苏州开来新能源有限公司 | Automatic pump station for hot water pipeline |
| CN105899881A (en) * | 2013-08-12 | 2016-08-24 | 明亮对比度有限责任公司 | Hot water recirculation system technologies |
| CN108088091A (en) * | 2017-12-01 | 2018-05-29 | 信宜市家加美不锈钢制品有限公司 | Solar water heating system and its control method |
-
2002
- 2002-03-26 CN CN 02112824 patent/CN1447080A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900440A (en) * | 2010-07-13 | 2010-12-01 | 江苏富源节能电器有限公司 | Central control pipeline circulating device |
| CN101975415A (en) * | 2010-11-08 | 2011-02-16 | 苏州开来新能源有限公司 | Automatic pump station for hot water pipeline |
| CN105899881A (en) * | 2013-08-12 | 2016-08-24 | 明亮对比度有限责任公司 | Hot water recirculation system technologies |
| CN105899881B (en) * | 2013-08-12 | 2019-02-22 | 明亮对比度有限责任公司 | Hot water re-circulation system and equipment and application method |
| CN109681954A (en) * | 2013-08-12 | 2019-04-26 | 明亮对比度有限责任公司 | Hot water re-circulation system and equipment and application method |
| CN108088091A (en) * | 2017-12-01 | 2018-05-29 | 信宜市家加美不锈钢制品有限公司 | Solar water heating system and its control method |
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