CN105737410A - Intelligent solar water heating system and control method - Google Patents
Intelligent solar water heating system and control method Download PDFInfo
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- CN105737410A CN105737410A CN201610153883.9A CN201610153883A CN105737410A CN 105737410 A CN105737410 A CN 105737410A CN 201610153883 A CN201610153883 A CN 201610153883A CN 105737410 A CN105737410 A CN 105737410A
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- solar
- water
- storage tank
- temperature
- radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- 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
The invention discloses an intelligent solar water heating system and a control method. The system comprises a solar water heater, a flow controller, a temperature sensor and an intelligent control panel, wherein the solar water heater is provided with a water storage tank and a solar water heater; the water storage tank is provided with a water inlet tube and a water outlet tube; the flow controller is arranged on the water inlet tube; the temperature sensor is arranged on the water outlet tube; the intelligent control panel comprises a radiant quantity setting system, a water temperature setting system, a calculating system and a detecting system, wherein the radiant quantity setting system is used for obtaining solar radiant quantity which can be collected by the solar heat collector on the same day; the water temperature setting system is used for obtaining the set temperature of to-be-heated water in the water storage tank; the calculating system is used for obtaining the maximal water storage quantity, on the same day, of the water storage tank according to the solar radiant quantity and the set temperature, and is used for controlling the water storage tank to reach the maximal water inlet quantity; and the detecting system is used for stopping heating when the detected temperature of the to-be-discharged water in the water storage tank exceeds the threshold value of the set temperature, and controlling the heat collector to continuously heat when the temperature of the to-be-discharged water in the water storage tank is lower than the threshold value of the set temperature. The intelligent solar water heating system has the advantage that hot water can be prepared according to the needs of users.
Description
Technical field
The present invention relates to intelligent solar hot-water heating system control field, particularly to a kind of intelligent solar hot-water heating system and control method.
Background technology
Current solar water heater extensively utilizes in China residential area, but hot water temperature is as weather, and namely solar radiation is different and change, and therefore hot water temperature cannot be set by user according to the demand of oneself.Such as winter solar amount of radiation is more weak, and the water in storage tank cannot be all heated to suitable temperature by solar water heater, causes hot water temperature's (water temperature 55 DEG C is optimal temperature, is suitable for bathing, and the purposes such as wash the dishes) on the low side, of low quality.Now user often selects to abandon using the hot water in winter solar energy water heater, then uses electric heater.And solar radiation in summer is strongly, the water in storage tank can be heated to more than 90 DEG C by solar energy, and excessive temperature hot water exists certain potential safety hazard in use.Same, at spring and autumn, hot water temperature is as Changes in weather, user or abandon using hot water of low quality, or will by converting the hot water using temperature too high with cold water.Therefore, how can be intended to according to resident rather than weather acquisition demand hot water temperature is this area problem demanding prompt solution.
In recent years the solution for the problems referred to above is also occurred in that, patent documentation if Chinese Patent Application No. is CN201510312841.0 discloses a kind of solar water heater intelligent temperature control method and temperature regulating device, real-time for water tank water temperature Tt and upper limit design temperature T1 and lower limit set temperature T2 is compared, water intaking valve and exhaust-valve action is controlled, it is achieved intelligent thermoregulating by comparative result.Hot water temperature is controlled in certain scope by said method to a certain extent, convenient for users, but needs electric auxiliary heat that water temperature just can be made to reach suitable temperature time in the winter time.And this patent provide method cannot realize user follow one's inclinations select water temperature function.
It is disclosed in the information of this background section and is merely intended to increase the understanding of the general background to the present invention, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known.
Summary of the invention
It is an object of the invention to provide a kind of intelligent solar hot-water heating system and control method, user cannot be realized follow one's inclinations the shortcoming of the function selecting water temperature thus overcoming.
For achieving the above object, according to an aspect of the present invention, it is provided that a kind of intelligent solar hot-water heating system, including solar water heater, it has storage tank and the solar thermal collector for hot water to be added in described storage tank is heated, and described storage tank is provided with water inlet pipe and outlet pipe；It is characterized in that, described intelligent solar hot-water heating system also includes: flow controller, and it is located on described water inlet pipe, for controlling the flow of inlet water of described storage tank；Temperature sensor, it is located on described outlet pipe, for obtaining the temperature treating water outlet in storage tank；And intelligent control panel, comprising: amount of radiation initialization system, it is for obtaining the solar radiation amount that described solar thermal collector can be collected the same day；Water temperature initialization system, it is for obtaining the design temperature of hot water to be added in described storage tank；Computing system, it reaches maximum inflow by the inflow of the described flow controller described storage tank of control for obtaining the maximum moisture storage capacity of storage tank described in the same day according to described solar radiation amount and described design temperature simultaneously；And detection system, it for stopping solar thermal collector heating when described temperature sensor detects when the temperature of water outlet exceedes the threshold values of design temperature in storage tank, when described temperature sensor detects that controlling solar thermal collector in storage tank when the temperature of water outlet is lower than the threshold values of design temperature continues heating.
Preferably, in technique scheme, described solar water heater is indirect cyclic process solar water heater, wherein, described solar water heater also includes circulation line and water pump, and described water pump is installed on circulation line, and described solar thermal collector is connected with described storage tank by described circulation line.
Preferably, in technique scheme, described amount of radiation initialization system includes: set-mounted system, it is for obtaining the mount message of described solar thermal collector, and obtain the described solar thermal collector optimum day amount of radiation meansigma methods in infield, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods, obtain, according to described mount message, the solar radiation quantity that described solar thermal collector can be collected under three kinds of day amount of radiation meansigma methodss respectively；And weather initialization system, it is for obtaining the one of the solar radiation quantity that described solar thermal collector can be collected under three kinds of day amount of radiation meansigma methodss.
Preferably, in technique scheme, described mount message includes the infield of described solar thermal collector, installs towards, collector area and mounted angle.
Preferably, in technique scheme, described weather initialization system includes excellent button, good button and difference button；The solar radiation quantity that under excellent button correspondence optimum day amount of radiation meansigma methods, described solar thermal collector can be collected；The solar radiation quantity that under good button corresponding medium day amount of radiation meansigma methods, described solar thermal collector can be collected；Differ from the solar radiation quantity that under button corresponding worst day amount of radiation meansigma methods, described solar thermal collector can be collected.
Preferably, in technique scheme, described intelligent control panel also includes the first display device, and this first display device is used for showing infield, install towards, collector area and mounted angle.
Preferably, in technique scheme, described intelligent control panel also includes the second display device and the 3rd display device, and described second display device is used for showing that date on the same day, described 3rd display device are used for showing described design temperature and described storage tank actual temperature.
Preferably, in technique scheme, described intelligent control panel also includes the 4th display device, and the 4th display device can heat, for the heat-collecting capacity and described storage tank showing described solar thermal collector same day, the maximum inflow reaching described design temperature.
Preferably, in technique scheme, described water temperature initialization system has the adjustment button of described design temperature.
For achieving the above object, according to a further aspect of the invention, provide a kind of intelligent solar hot water control method, specific as follows: the outlet pipe of flow controller and storage tank that the water inlet pipe of the storage tank of solar water heater is provided with the flow of inlet water for controlling this storage tank is provided with the temperature sensor for obtaining the temperature treating water outlet in this storage tank；Obtain the solar radiation amount that described solar thermal collector can be collected the same day；Obtain the design temperature of hot water to be added in described storage tank；Obtain the maximum moisture storage capacity of storage tank described in the same day according to described solar radiation amount and described design temperature, reach maximum inflow by the inflow of the described flow controller described storage tank of control simultaneously；Wherein, when described temperature sensor detects that controlling described solar thermal collector in described storage tank when the temperature of water outlet exceedes the threshold values of described design temperature stops heating, when detecting that controlling described solar thermal collector in described storage tank when the temperature of water outlet is lower than the threshold values of described design temperature continues heating.
Compared with prior art, there is advantages that
1. the optional demand hot water temperature of user, the system weather according to the same day, using the teaching of the invention it is possible to provide the maximum amount of water of this hot water temperature in the present invention, improve solar water heater and use quality.When solar radiation is not strong, by controlling the water yield, it is ensured that in storage tank, water temperature reaches design temperature；When solar radiation is strong, stop current operating to stop heating by controlling flow controller, it is ensured that in storage tank water temperature less than or the threshold temperature certain lower than design temperature.
2. winter solar radiation is not strong, the user using conventional solar boilers can abandon the water making consumption hot greatly and not, and use the user of this intelligent hot water system that the hot water using " fewer but better " can be selected to improve solar water heater utilization rate, what decrease other auxiliary thermoelectricity devices uses energy simultaneously.
3. solar radiation in summer is strong, and the coolant-temperature gage of conventional solar boilers heating is too high, not convenient during use, and there is potential safety hazard.This intelligent water heater stops or continuing adding hot water by temperature sensor, intelligent control panel and flow controller, it is ensured that water temperature less than or lower than design temperature threshold values, be user-friendly to.
Accompanying drawing explanation
Fig. 1 is the structural representation according to intelligent solar hot-water heating system of the present invention.
Main Reference Numerals illustrates:
1-intelligent control panel, 2-flow controller, 3-storage tank, 4-temperature sensor, 5-solar thermal collector, the excellent button of 6-, the good button of 7-, 8-difference button, 9-increases water temperature button, and 10-reduces water temperature button.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that protection scope of the present invention is not by the restriction of detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion will be understood to comprise the element or ingredient stated at such as " comprising " or " including " etc., and does not get rid of other element or other ingredient.
Fig. 1 shows the structural representation of intelligent solar hot-water heating system according to the preferred embodiment of the present invention.As it is shown in figure 1, this intelligent solar hot-water heating system includes: solar water heater, flow controller 2, temperature sensor 4 and intelligent control panel 1；Solar water heater includes storage tank 3, circulation line, water pump and solar thermal collector 5, water pump is installed on circulation line, solar thermal collector 5 is connected with storage tank 3 by circulation line, hot water to be added in storage tank 3 is carried out controllability heating by water pump by solar thermal collector 5, storage tank 3 is provided with water inlet pipe and outlet pipe, and such solar water heater is indirect type heating solar water heater；Flow controller 2 is located on water inlet pipe, for controlling the flow of inlet water of storage tank 3, is also controlled water pump by this flow controller 2 simultaneously the hot water to be added in storage tank 3 is circulated heating in this embodiment；Temperature sensor 4 is located on outlet pipe, for obtaining the temperature treating water outlet in storage tank 3.
Intelligent control panel 1 includes: amount of radiation initialization system, water temperature initialization system, computing system, detection system, the first display device, the second display device, the 3rd display device and the 4th display device；Amount of radiation initialization system includes set-mounted system and weather initialization system.Set-mounted system is for obtaining the mount message of solar thermal collector 5, and obtain the solar thermal collector 5 optimum day amount of radiation meansigma methods in infield, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods, the solar radiation quantity that solar thermal collector 5 can be collected under three kinds of day amount of radiation meansigma methodss is obtained respectively according to mount message, more specifically, mount message includes place, installs towards, collector area and mounted angle；Weather initialization system is for obtaining the one of the solar radiation quantity that solar thermal collector 5 can be collected under three kinds of day amount of radiation meansigma methodss；Water temperature initialization system is for obtaining the design temperature of hot water to be added in storage tank 3；Computing system is for the maximum moisture storage capacity of the solar radiation amount obtained according to weather initialization system and design temperature acquisition storage tank on the same day 3, control the inflow of storage tank 3 by flow controller 2 simultaneously and reach maximum inflow, wherein, water temperature initialization system has the adjustment button of set water temperature, and the adjustment button 9 and 10 of water temperature represents with '+' '-' respectively；Detection system for controlling solar thermal collector 5 stopping heating when temperature sensor 4 detects when the temperature of water outlet exceedes the threshold values (such as 5 DEG C) of set water temperature in storage tank 3, when detecting that controlling solar thermal collector 5 in storage tank 3 when the temperature of water outlet is lower than the threshold values (such as 5 DEG C) of set water temperature continues heating.
In this embodiment, weather initialization system includes excellent button 6, good button 7 and difference button 8；The solar radiation quantity that under excellent button 6 corresponding optimum day amount of radiation meansigma methods, solar thermal collector 5 can be collected；The solar radiation quantity that under good button 7 corresponding medium day amount of radiation meansigma methods, solar thermal collector 5 can be collected；The solar radiation quantity that under difference button 8 corresponding worst day amount of radiation meansigma methods, solar thermal collector 5 can be collected.Above-mentioned three kinds day the concrete acquisition methods of solar radiation quantity that can collect of solar thermal collector 5 corresponding to amount of radiation meansigma methods be: the solar radiation data in solar thermal collector 5 infield former years are added up, calculate day solar radiation amount month by month；Monthly day amount of radiation will arrange from high to low and be divided into high, medium and low three sections (10 days every sections), then respectively this day amount of radiation of three sections is averaged, represent optimum day amount of radiation meansigma methods respectively, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods；Further, in conjunction with solar thermal collector 5 installation towards the information such as, collector area and mounted angle converse solar thermal collector 5 collectable three kinds of solar radiation amounts every month (optimum day amount of radiation meansigma methods, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods).Now, weather conditions on the same day are reset by the excellent button 6 of weather initialization system, good button 7 and difference button 8 according to weather, Qi Zhongyou, in, differ from three kinds of weather conditions corresponding optimum day amount of radiation meansigma methodss respectively, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods；The final day amount of radiation (i.e. heat-collecting capacity) obtaining solar thermal collector 5 same day, then calculate the maximum inflow heating different temperatures hot water in solar radiation situation on the same day.
The first display device on intelligent control panel 1 is used for showing infield, install towards information such as, collector area and mounted angles；Second display device is used for showing date on the same day and weather conditions on the same day (as shown in fig. 1, show date and press this button bright light during one of which button)；3rd display device is for showing the actual water temperature in set water temperature and storage tank 3；4th display device is for showing the heat-collecting capacity of solar thermal collector 5 and the maximum inflow of storage tank 3.When user sets solar radiation situation on the same day (when pressing in three buttons), it is equal to have selected the one in of that month three kinds of average radiation amounts.4th display device is by the heat-collecting capacity of display solar thermal collector 5 on the same day, simultaneously when user sets set water temperature, is displayed under the heat-collecting capacity of solar thermal collector 5 on the same day, can reach the maximum inflow of set water temperature in the 4th display device.
In order to allow those skilled in the art become apparent from invention, make an explanation for concrete operations below.User uses for the first time to be needed the optimum day every month radiation meansigma methods in city in former years during this intelligent solar system, radiate meansigma methods and radiation of worst day average data input intelligent solar hot-water heating system medium day.Also need to the mount message of solar thermal collector 5 is set.Inputting the mount message of solar thermal collector 5 at intelligent control panel 1: place-certain city, collector area-2.5 of heat collector, the installation of heat collector is towards-south by east 15 ° ,-30 ° of the inclination angle of heat collector；After setting up, only with arranging solar radiation quantity and set water temperature on the same day in user's use afterwards.For this sky on February 16, user is according to weather condition, and it is excellent for arranging same day solar radiation after pressing excellent button, and the heat-collecting capacity that intelligent control panel 1 calculates solar thermal collector 5 on the same day according to the setting of user is 11875kJ/d.User setup needed water temperature to be 55 DEG C the same day, and intelligent control panel 1 calculates when solar thermal collector 5 heat-collecting capacity is 11875kJ/d according to the setting of user, it is achieved the maximum amount of water of 55 DEG C is 83L.After setting completed, drive current by flow controller 2, and the water yield controlling storage tank 3 reaches 83L.The water in storage tank 3 is heated through solar thermal collector 4.When temperature sensor 4 detects that the outlet temperature of storage tank 3 reaches 60 DEG C time, stop heating.When the outlet temperature that temperature sensor 4 monitors storage tank 3 is 50 DEG C, continue heating.Through so repeatedly, user can use the hot water (temperature difference is not more than 5 DEG C) that water temperature is 55 DEG C in one day.
In sum, the optional demand hot water temperature of user, the system weather according to the same day, using the teaching of the invention it is possible to provide the maximum water consumption of this hot water temperature in the present invention, improve solar water heater and use quality.When solar radiation is not strong, by controlling the water yield, it is ensured that in storage tank, water temperature reaches design temperature；When solar radiation is strong, stop current operating to stop heating by controlling flow controller, it is ensured that in storage tank water temperature less than or the threshold temperature certain lower than design temperature.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe and are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change.Purpose exemplary embodiment selected and describe is in that to explain the certain principles of the present invention and practical application thereof, so that those skilled in the art is capable of and utilizes the various different exemplary of the present invention and various different selection and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (10)
1. an intelligent solar hot-water heating system, including:
Solar water heater, it has storage tank and the solar thermal collector for hot water to be added in described storage tank is heated, and described storage tank is provided with water inlet pipe and outlet pipe；
It is characterized in that, described intelligent solar hot-water heating system also includes:
Flow controller, it is located on described water inlet pipe, for controlling the flow of inlet water of described storage tank；
Temperature sensor, it is located on described outlet pipe, for obtaining the temperature treating water outlet in storage tank；And
Intelligent control panel, comprising:
Amount of radiation initialization system, it is for obtaining the solar radiation amount that described solar thermal collector can be collected the same day；
Water temperature initialization system, it is for obtaining the design temperature of hot water to be added in described storage tank；
Computing system, it reaches maximum inflow by the inflow of the described flow controller described storage tank of control for obtaining the maximum moisture storage capacity of storage tank described in the same day according to described solar radiation amount and described design temperature simultaneously；And
Detection system, it for stopping solar thermal collector heating when described temperature sensor detects when the temperature of water outlet exceedes the threshold values of design temperature in storage tank, when described temperature sensor detects that controlling solar thermal collector in storage tank when the temperature of water outlet is lower than the threshold values of design temperature continues heating.
2. intelligent solar system according to claim 1, it is characterized in that, described solar water heater is indirect cyclic process solar water heater, wherein, described solar water heater also includes circulation line and water pump, described water pump is installed on circulation line, and described solar thermal collector is connected with described storage tank by described circulation line.
3. intelligent solar system according to claim 1, it is characterised in that described amount of radiation initialization system includes:
Set-mounted system, it is for obtaining the mount message of described solar thermal collector, and obtain the described solar thermal collector optimum day amount of radiation meansigma methods in infield, medium day amount of radiation meansigma methods and worst day amount of radiation meansigma methods, obtain, according to described mount message, the solar radiation quantity that described solar thermal collector can be collected under three kinds of day amount of radiation meansigma methodss respectively；And
Weather initialization system, it is for obtaining the one of the solar radiation quantity that described solar thermal collector can be collected under three kinds of day amount of radiation meansigma methodss.
4. intelligent solar system according to claim 3, it is characterised in that described mount message includes the infield of described solar thermal collector, installs towards, collector area and mounted angle.
5. intelligent solar system according to claim 3, it is characterised in that described weather initialization system includes excellent button, good button and difference button；The solar radiation quantity that under excellent button correspondence optimum day amount of radiation meansigma methods, described solar thermal collector can be collected；The solar radiation quantity that under good button corresponding medium day amount of radiation meansigma methods, described solar thermal collector can be collected；Differ from the solar radiation quantity that under button corresponding worst day amount of radiation meansigma methods, described solar thermal collector can be collected.
6. intelligent solar system according to claim 4, it is characterised in that described intelligent control panel also includes the first display device, this first display device is used for showing infield, install towards, collector area and mounted angle.
7. intelligent solar system according to claim 1, it is characterized in that, described intelligent control panel also includes the second display device and the 3rd display device, described second display device is used for showing that date on the same day, described 3rd display device are used for showing described design temperature and described storage tank actual temperature.
8. intelligent solar system according to claim 1, it is characterized in that, described intelligent control panel also includes the 4th display device, and the 4th display device can heat, for the heat-collecting capacity and described storage tank showing described solar thermal collector same day, the maximum inflow reaching described design temperature.
9. intelligent solar system according to claim 1, it is characterised in that described water temperature initialization system has the adjustment button of described design temperature.
10. an intelligent solar hot water control method, it is characterised in that specific as follows:
The outlet pipe of flow controller and storage tank that the water inlet pipe of the storage tank of solar water heater is provided with the flow of inlet water for controlling this storage tank is provided with the temperature sensor for obtaining the temperature treating water outlet in this storage tank；
Obtain the solar radiation amount that described solar thermal collector can be collected the same day；
Obtain the design temperature of hot water to be added in described storage tank；
Obtain the maximum moisture storage capacity of storage tank described in the same day according to described solar radiation amount and described design temperature, reach maximum inflow by the inflow of the described flow controller described storage tank of control simultaneously；
Wherein, when described temperature sensor detects that controlling described solar thermal collector in described storage tank when the temperature of water outlet exceedes the threshold values of described design temperature stops heating, when described temperature sensor detects that controlling described solar thermal collector in described storage tank when the temperature of water outlet is lower than the threshold values of described design temperature continues heating.
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| CN201610153883.9A CN105737410B (en) | 2016-03-17 | 2016-03-17 | Intelligent solar hot-water heating system and control method |
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| CN201610153883.9A CN105737410B (en) | 2016-03-17 | 2016-03-17 | Intelligent solar hot-water heating system and control method |
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Cited By (1)
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| CN107355999A (en) * | 2017-05-23 | 2017-11-17 | 昆明理工大学 | A kind of Engineering-type solar energy heating display device |
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