CN104266386B - A kind of solar water heating system preventing vacuum tube from rupturing and control method - Google Patents
A kind of solar water heating system preventing vacuum tube from rupturing and control method Download PDFInfo
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- CN104266386B CN104266386B CN201410520342.6A CN201410520342A CN104266386B CN 104266386 B CN104266386 B CN 104266386B CN 201410520342 A CN201410520342 A CN 201410520342A CN 104266386 B CN104266386 B CN 104266386B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The solar water heating system that the prevented vacuum tube of the present invention ruptures, including support, intelligent controller, attemperater and multiple vacuum pipe heat-collecting pipe, is provided with level sensor, water inlet pipe and water outlet pipe is provided with magnetic valve in attemperater；It is characterised by: in vacuum heat collection pipe, be provided with the first temperature sensor, in water inlet pipe and water outlet pipe, is provided with the second temperature sensor；In vacuum pipe heat-collecting pipe temperature with water inlet pipe and water outlet pipe, water temperature difference is poor more than the break temperature of vacuum pipe heat-collecting pipeTime, water in stopping.The solar water heating system of the present invention and control method, on intelligent controller performs during water order, first determine whether water temperature difference‑The poorest less than the break temperature of blank pipe thermal-collecting tube, only in water-head‑It is less thanTime, just upper water in attemperater, efficiently avoid owing to upper coolant-temperature gage caused vacuum tube too high with thermal-collecting tube temperature-difference ruptures, extends the service life of vacuum pipe heat-collecting pipe.
Description
Technical field
The present invention relates to a kind of solar water heating system and control method, in particular, particularly relate to a kind of by the domination set heat pipe solar water heating system that prevent vacuum tube from rupturing poor with upper coolant-temperature gage and control method.
Background technology
Domestic solar water heater is mainly made up of vacuum tube collector, heat storage water tank, intelligence control system, support etc..Solar water heater absorbs the radiation heating cold water of sunshine by the coating of vacuum tube, and the thermosiphon principle utilizing hot water to rise cold water sinking realizes Natural Circulation, is stored in heat storage water tank by hot water in vacuum tube.
Due to the water direct heat-exchange in vacuum tube, have the advantages that collecting efficiency is high, but, vacuum tube is glassware, is in use i.e. easily damaged such as misoperation.If domestic consumer is in the case of being difficult to grasp water correct time, injecting suddenly cold water after vacuum tube stands air drying for a long time, in vacuum tube, violent thermal shock makes it burst.Rupturing of vacuum tube will cause substantial amounts of running water to be wasted, the loss that cause the user is huge.Current controller for solar the most well solves this problem.It addition, the hot property of solar water heater is closely related with meteorologic parameter, regular solar water heater is difficult to accurately determine the control of the upper water yield according to meteorologic parameter, helps user's saving water resource.These problems, make troubles all to the use of solar water heater user, have had influence on the universal utilization of solar water heater simultaneously.
And solar water heater suitable upper water time and the upper water yield all can be calculated, suitably go up whether the water time can be judged by controller difference of temperature and upper water water temperature in contrast vacuum tube in the permission temperature range of setting, and the suitable upper water yield can be calculated according to the relation of the temperature rise in solar heat storage water tank with meteorologic parameter, the hot property of solar water heating system and solar heat collector unit profile daylighting area, daily useful energy, intensification performance factor are closely related.
Summary of the invention
The present invention is for the shortcoming overcoming above-mentioned technical problem, it is provided that a kind of solar water heating system preventing vacuum tube from rupturing and control method.
The solar water heating system that the prevented vacuum tube of the present invention ruptures, including support, intelligent controller and the attemperater being fixed on support and multiple vacuum pipe heat-collecting pipe, the upper end of vacuum pipe heat-collecting pipe communicates with attemperater, is provided with level sensor in attemperater；Attemperater connects water inlet pipe and water outlet pipe, and water inlet pipe and water outlet pipe is provided with magnetic valve；It is particular in that: be provided with the first temperature sensor in described vacuum heat collection pipe, the second temperature sensor it is provided with in water inlet pipe and water outlet pipe, level sensor, the first temperature sensor and the second temperature sensor are all connected with the input of intelligent controller, and magnetic valve is connected with the output of intelligent controller；Intelligent controller obtains the upper coolant-temperature gage in the temperature of vacuum pipe heat-collecting pipe and water inlet pipe and water outlet pipe respectively by the first temperature sensor, the second temperature sensor, and in vacuum pipe heat-collecting pipe temperature with water inlet pipe and water outlet pipe, water temperature difference is poor more than the break temperature of vacuum pipe heat-collecting pipeTime, turn off water inlet pipe and water outlet pipe, water in stopping by magnetic valve.
The solar water heating system that the prevented vacuum tube of the present invention ruptures, described break temperature is poorBetween 80 DEG C to 120 DEG C.
The solar water heating system that the prevented vacuum tube of the present invention ruptures, it is particular in that: realized by following steps: a). determine whether upper water order, intelligent controller determines whether that water order inputs, if there being upper water order to input, then performs step b)；If supreme water order inputs, then continue waiting for；B). temperature acquisition, intelligent controller gathers the temperature of vacuum pipe heat-collecting pipe by the first temperature sensor, gather the upper coolant-temperature gage in water inlet pipe and water outlet pipe by the second temperature sensor, perform step c)；C). temperature gap judges, intelligent controller judges vacuum pipe heat-collecting pipe temperature and the water temperature difference in water inlet pipe and water outlet pipe-The poorest less than break temperature, if less than, then step d) is performed；If greater than or be equal to, then step f) is performed；D). water operation in execution, opens solenoid valve carries out upper water by water inlet pipe and water outlet pipe in attemperater, performs step f)；E). judging that attemperater is the fullest, intelligent controller judges the water level in attemperater by level sensor, it may be judged whether reached the upper limit water level of attemperater, without reaching upper limit water level, then performs step d)；If having reached upper limit water level, then perform step f)；F). forbidding that upper water operates, intelligent controller turns off water inlet water pipe, water operation in stopping by magnetic valve.
Beneficial effects of the present invention: the solar water heating system of the present invention and control method, by being respectively provided with first, second temperature sensor in vacuum pipe heat-collecting pipe, water inlet pipe and water outlet pipe, can gather the temperature of vacuum pipe heat-collecting pipeWith the upper coolant-temperature gage in water inlet pipe and water outlet pipe, on intelligent controller performs during water order, first determine whether water temperature difference-The poorest less than the break temperature of blank pipe thermal-collecting tube, only in water-head-It is less thanTime, just upper water in attemperater, efficiently avoid owing to upper coolant-temperature gage caused vacuum tube too high with thermal-collecting tube temperature-difference ruptures, extends the service life of vacuum pipe heat-collecting pipe.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the solar water heating system that the prevented vacuum tube of the present invention ruptures；
In figure: 1 attemperater, 2 supports, 3 vacuum pipe heat-collecting pipes, 4 level sensors, 5 first temperature sensors, 6 second temperature sensors, 7 water inlet pipe and water outlet pipes, 8 intelligent controllers, 9 magnetic valves.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, giving the schematic diagram of the solar water heating system that the prevented vacuum tube of the present invention ruptures, it includes attemperater 1, support 2, multiple vacuum pipe heat-collecting pipe 3, level sensor the 4, first temperature sensor the 5, second temperature sensor 6, water inlet pipe and water outlet pipe 7, intelligent controller 8 and magnetic valve 9；2, shown support is fixing and supporting role, attemperater 1 and vacuum pipe heat-collecting pipe 3 are both secured on support 2, and the inside of attemperater 1 is water storage cavity, and the top of vacuum pipe heat-collecting pipe 3 communicates with the water storage cavity of attemperater 1.Shown water inlet pipe and water outlet pipe 7 communicates with the water storage cavity of attemperater 1, can carry out upper water by water inlet pipe and water outlet pipe 7 and discharge water, water inlet pipe and water outlet pipe 7 is provided with magnetic valve 9, and the on off operating mode of water inlet pipe and water outlet pipe 7 can be controlled by magnetic valve 9.
Shown intelligent controller 8, for controlling the operation of whole solar water heating system, has signals collecting, data operation and the effect of control output.Being provided with level sensor 4 in attemperater 1, level sensor 4 is connected with the input of intelligent controller 8, it is achieved the measurement of attemperater 1 middle water level.Being provided with the first temperature sensor 5 in vacuum heat collection pipe 3, the first temperature sensor 5 is connected with the input of intelligent controller 8, for measuring the temperature of vacuum pipe heat-collecting pipe 3.Being provided with the second temperature sensor 6 in water inlet pipe and water outlet pipe 7, intelligent controller 8 can measure the upper coolant-temperature gage in water inlet pipe and water outlet pipe 7 by the second temperature sensor 6.The end that controls of magnetic valve 9 is connected with the output of intelligent controller 8, and intelligent controller 8 controls the on off operating mode of water inlet pipe and water outlet pipe 7 by magnetic valve 9.
For existing solar water heating system, owing to not arranging sensor on inlet and outlet pipe, the temperature difference of inflow temperature and vacuum pipe heat-collecting pipe can not be judged, water in blindness in the case of temperature difference is relatively big, it is possible to water causes rupturing of vacuum pipe heat-collecting pipe.And the solar water heating system of the present invention, intelligent controller 8 can record the temperature of vacuum pipe heat-collecting pipe 3 respectively by first temperature sensor the 5, second temperature sensor 6With the upper coolant-temperature gage in water inlet pipe and water outlet pipe 7, by judgingWithDifference whether to have exceeded the break temperature of vacuum pipe heat-collecting pipe poor, if more than, the most do not allow to carry out upper water operation, without exceeding, then can carry out upper water operation.The break temperature of vacuum pipe heat-collecting pipe 3 is poorBetween 80 DEG C to 120 DEG C.
The control method of the solar water heating system that the prevented vacuum tube of the present invention ruptures, is realized by following steps:
A). determining whether water order, intelligent controller determines whether that water order inputs, if there being upper water order to input, then performs step b)；If supreme water order inputs, then continue waiting for；
B). temperature acquisition, intelligent controller gathers the temperature of vacuum pipe heat-collecting pipe by the first temperature sensor, gather the upper coolant-temperature gage in water inlet pipe and water outlet pipe by the second temperature sensor, perform step c)；
C). temperature gap judges, intelligent controller judges vacuum pipe heat-collecting pipe temperature and the water temperature difference in water inlet pipe and water outlet pipe-The poorest less than break temperature, if less than, then step d) is performed；If greater than or be equal to, then step f) is performed；
D). water operation in execution, opens solenoid valve carries out upper water by water inlet pipe and water outlet pipe in attemperater, performs step f)；
E). judging that attemperater is the fullest, intelligent controller judges the water level in attemperater by level sensor, it may be judged whether reached the upper limit water level of attemperater, without reaching upper limit water level, then performs step d)；If having reached upper limit water level, then perform step f)；
F). forbidding that upper water operates, intelligent controller turns off water inlet water pipe, water operation in stopping by magnetic valve.
Described break temperature difference △ t is between 80 DEG C to 120 DEG C.
Claims (2)
1. can prevent a control method for the solar water heating system that vacuum tube ruptures, solar water
System includes support (2), intelligent controller (8) and the attemperater (1) being fixed on support
With multiple vacuum pipe heat-collecting pipes (3), the upper end of vacuum pipe heat-collecting pipe communicates with attemperater, is incubated water
Level sensor (4) it is provided with in case；Attemperater connects has water inlet pipe and water outlet pipe (7), on water inlet pipe and water outlet pipe
It is provided with magnetic valve (9)；It is provided with the first temperature sensor (5) in described vacuum pipe heat-collecting pipe, enters
The second temperature sensor (6), level sensor, the first temperature sensor and it is provided with in outlet pipe
Two temperature sensors are all connected with the input of intelligent controller, and magnetic valve is defeated with intelligent controller
Go out end to be connected；Intelligent controller is obtained respectively by the first temperature sensor, the second temperature sensor
Upper coolant-temperature gage in the temperature of vacuum pipe heat-collecting pipe and water inlet pipe and water outlet pipe, vacuum pipe heat-collecting pipe temperature with enter
When upper coolant-temperature gage difference in outlet pipe is more than the break temperature difference Δ t of vacuum pipe heat-collecting pipe, pass through magnetic valve
Turn off water inlet pipe and water outlet pipe, water in stopping；
It is characterized in that: the control method of solar water heating system is realized by following steps:
A). determining whether water order, intelligent controller determines whether that water order inputs, if
There is upper water order to input, then perform step b)；If supreme water order inputs, then continue waiting for；
B). temperature acquisition, intelligent controller gathers the temperature of vacuum pipe heat-collecting pipe by the first temperature sensor
Degree T1, gather the upper coolant-temperature gage T in water inlet pipe and water outlet pipe by the second temperature sensor2, perform step c)；
C). temperature gap judges, intelligent controller judges in vacuum pipe heat-collecting pipe temperature and water inlet pipe and water outlet pipe
Water temperature difference T1-T2Whether less than break temperature difference Δ t, if less than Δ t, then perform step d)；If
More than or equal to Δ t, then perform step f)；
D). water operation in execution, opens solenoid valve carries out upper water by water inlet pipe and water outlet pipe in attemperater,
Perform step e)；
E). judging that attemperater is the fullest, intelligent controller judges attemperater by level sensor
In water level, it may be judged whether reached the upper limit water level of attemperater, without reaching upper limit water level,
Then perform step d)；If having reached upper limit water level, then perform step f)；
F). forbidding that upper water operates, intelligent controller turns off water inlet pipe and water outlet pipe by magnetic valve, and in stopping, water is made
Industry.
The control of the solar water heating system preventing vacuum tube from rupturing the most according to claim 1
Method, it is characterised in that: described break temperature difference Δ t is between 80 DEG C to 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410520342.6A CN104266386B (en) | 2014-10-08 | 2014-10-08 | A kind of solar water heating system preventing vacuum tube from rupturing and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410520342.6A CN104266386B (en) | 2014-10-08 | 2014-10-08 | A kind of solar water heating system preventing vacuum tube from rupturing and control method |
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| CN104266386A CN104266386A (en) | 2015-01-07 |
| CN104266386B true CN104266386B (en) | 2016-07-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910297B (en) * | 2016-06-15 | 2018-12-04 | 深圳市凯略科技有限公司 | Solar energy heat collection pipe group |
| CN109163464A (en) * | 2018-08-23 | 2019-01-08 | 陈书祯 | Solar energy heat collection pipe anti-explosion unit and solar water heater |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4476444B2 (en) * | 2000-06-23 | 2010-06-09 | 株式会社長府製作所 | Solar water heater and control method thereof |
| CN101285621B (en) * | 2008-05-30 | 2012-09-05 | 朱彤 | Split type solar water heater |
| CN101865537B (en) * | 2010-06-30 | 2012-05-23 | 苏州新亚科技有限公司 | Solar heat pump water heater |
| CN102062482B (en) * | 2011-01-20 | 2013-01-16 | 黄永伟 | Siphon solar water heater |
| CN102331096A (en) * | 2011-07-28 | 2012-01-25 | 曹树梁 | Solar water heating system with ceramic sun panel operated and controlled by single water pump |
| CN202613791U (en) * | 2012-04-16 | 2012-12-19 | 王昆玉 | Large diameter glass vacuum tube stuffy drying type water heater |
| CN204100618U (en) * | 2014-10-08 | 2015-01-14 | 山东新帅克能源科技有限公司 | A kind of solar water heating system preventing vacuum tube from breaking |
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