CN103185368A - System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat - Google Patents
System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat Download PDFInfo
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- CN103185368A CN103185368A CN2011104430664A CN201110443066A CN103185368A CN 103185368 A CN103185368 A CN 103185368A CN 2011104430664 A CN2011104430664 A CN 2011104430664A CN 201110443066 A CN201110443066 A CN 201110443066A CN 103185368 A CN103185368 A CN 103185368A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The invention discloses system and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat. The system comprises a solar heat collector, a buffer water tank and a master controller, wherein the solar heat collector is arranged at a roof, the system further comprises a heat accumulation water tank and an interior controller which are arranged in each family, and an electric valve is arranged on a branch circulating pipeline of the heat accumulation water tank of each family. Temperature sensors at the upper part and the lower part of the solar heat collector and a temperature sensor of the buffer water tank are respectively connected with the master controller, and a temperature sensor of the heat accumulation water tank and an electromagnetic valve on each branch circulating pipeline are respectively connected with the interior controller. The interior controller and the master controller are jointly controlled, by adopting forward equal temperature rise ladder type heat transfer, the problem of reverse heat transfer can be thoroughly solved, the heat and cold unevenness in vertical direction can be prevented, solar heat can be evenly distributed to each family, the water tank is prevented from being overheated, and the system is simple and practical in structure, and low in cost. The controller of the system is connected with a remote monitoring center so as to facilitate the property management.
Description
Technical field
The present invention relates to a kind of system of solar water heat exchange, relate in particular to the system and method that a kind of solar water is concentrated the directed heat exchange of collection heat separating user accumulation of heat.Belong to solar energy heat utilization field.
Background technology
At present, the solar thermal utilization industry has obtained fast development, and especially the solar thermal utilization in city possesses wide prospect.Under the further situation about improving of the price of conventional energy resource, middle-high building adopts solar energy as the main supply form of hot water energy sources, comes into one's own gradually.
In the prior art, occur multiple solution at the solar thermal utilization product with different building combination technology, can be divided into four kinds of forms basically:
First kind of form mainly is the method that the separate unit water heater is installed on the roof.The advantage of this mode is distinct property right, and each is with each water power, and shortcoming is that repeatedly the damage of different people installation is more estate management difficulty and roof, and heat hydraulic pressure and the cold water pressure of user's use do not match.
Second kind of form is for installing the balcony formula solar water heater of south elevation.Existing problems are owing to policy and the real estate merchant's profit-push maximization of saving the area, and there is 2 hours lower limit of sunshine time in design in China's building at present, and the spacing of middle-high building has been compressed to stage that can not be littler.Thereby make the balcony of many buildings, can not obtain sufficient sunshine, greater than six hours standard sunshine, balcony formula system solar energy fraction will not descend greatly.
The third mode is that hot water engineering is installed on the roof concentratedly, realizes household metering.The shortcoming that exists shows that mainly supply and the last property of metering of the cold water source on roof will decompose in each household user's the hot water use, the expense of the auxiliary heating of electricity need decompose each family, if supply user's hot water adopts 24 hours systems, a large amount of (average more than 15%) energy dissipations are in the circulation of pipe well, basic heat supply of the many time periods water saving operation energy that adopts also has the structure load-bearing of high-rise roof tank will consider redesign.Maximum problem occurs in the price of charging irrational the time, and customer group reduces will improve system operation cost.
The 4th kind of mode is thermal-arrest in the set roof, and household water tank divides family heat exchange engineering.The solar energy system of this mode comes in the development of the third mode and in-depth, but technical development at present that is that all right is ripe, have problems such as the user De Re of reverse heat exchange, different layers is unbalanced, price is also more expensive.
Summary of the invention
The purpose of this invention is to provide a kind of reverse heat exchange, balanced solar heat, solar water that cost is low of distributing of preventing and concentrate the system and method for the directed heat exchange of collection heat separating user accumulation of heat.
The objective of the invention is to be achieved through the following technical solutions:
Solar water of the present invention is concentrated the system of the directed heat exchange of collection heat separating user accumulation of heat, comprises solar thermal collector, buffer tank and the master controller of being located at roof, also comprises heat storage water tank and the indoor controller of being located at each user;
Circulation line between described solar thermal collector and the buffer tank is provided with first circulating pump, major cycle pipeline between described buffer tank and user's the heat storage water tank is provided with second circulating pump, be respectively equipped with motor-driven valve on the branch circulation line between described major cycle pipeline and each user's the heat storage water tank, be provided with heat exchange coil in the described heat storage water tank;
The thermometer of the temperature sensor on the top of described solar thermal collector and the temperature sensor of bottom and described buffer tank is connected with described master controller respectively;
Described first circulating pump is connected with described master controller respectively with second circulating pump;
The temperature sensor of the described heat storage water tank of motor-driven valve is connected with described indoor controller respectively with magnetic valve on described minute circulation line;
Described indoor controller is connected with described master controller.
Above-mentioned solar water of the present invention concentrates the system of the directed heat exchange of collection heat separating user accumulation of heat to realize the method for the directed heat exchange of the concentrated collection of solar water heat separating user accumulation of heat, comprises step:
At first, master controller is gathered the temperature at solar thermal collector top, temperature and the buffer tank temperature of solar thermal collector bottom, and the head temperature of comparison solar thermal collector and the difference of buffer tank temperature, when this difference during more than or equal to preset threshold, start first circulating pump, the energy of solar thermal collector collection is stored in the buffer tank;
Then, carry out heat exchange between main controller controls buffer tank and user's the heat storage water tank, take temperature rise staged heat exchange such as forward;
Temperature rise staged heat exchange such as described forward comprise:
Start second circulating pump, buffer tank at first and carry out heat exchange between ground floor user's the heat storage water tank, after the temperature difference (a degree) is set in ground floor user's heat storage water tank temperature rising, close the corresponding motor-driven valve of ground floor user, more following one deck user is heated identical temperature rise.Successively to all layers user heat exchange, treat one take turns heating and finish after, then all are with the identical temperature that raise per family, guaranteed solar heat by distributing to of equilibrium all users.At this moment, return ground floor again, continue second and take turns heating, so repeatedly.
As seen from the above technical solution provided by the invention, solar water provided by the invention is concentrated the system and method for the directed heat exchange of collection heat separating user accumulation of heat.Owing to realize the heat exchange between accumulation of heat between solar thermal collector and the buffer tank and buffer tank and user's the heat storage water tank by master controller, customer controller control circulating pump, motor-driven valve etc., and control temperature rise staged heat exchange such as taking forward.Can thoroughly solve the problem of reverse heat exchange, can prevent vertical direction weighing apparatus uneven in temperature, with each family of distributing to of solar heat equilibrium, and prevent the water tank overtemperature, simple in structure, practical, cost is low.
Description of drawings
The solar water that Fig. 1 provides for the embodiment of the invention is concentrated the system schematic of the directed heat exchange of collection heat separating user accumulation of heat.
Among the figure: 1, solar thermal collector, 2, indoor controller, 3, heat storage water tank, 4, motor-driven valve, 5, remote monitoring center, 6, master controller, 7, buffer tank, 8, the major cycle pipeline, 9, heat exchange coil, 10, the auxiliary electrical heating.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Solar water of the present invention is concentrated the system of the directed heat exchange of collection heat separating user accumulation of heat, and its preferable specific embodiment is:
Comprise solar thermal collector, buffer tank and the master controller of being located at roof, also comprise heat storage water tank and the indoor controller of being located at each user;
Circulation line between described solar thermal collector and the buffer tank is provided with first circulating pump, major cycle pipeline between described buffer tank and user's the heat storage water tank is provided with second circulating pump, be respectively equipped with motor-driven valve on the branch circulation line between described major cycle pipeline and each user's the heat storage water tank, be provided with heat exchange coil in the described heat storage water tank;
The temperature sensor of the temperature sensor on the top of described solar thermal collector and the temperature sensor of bottom and described buffer tank is connected with described master controller respectively;
Described first circulating pump is connected with described master controller respectively with second circulating pump;
The temperature sensor of described heat storage water tank is connected with described indoor controller respectively with magnetic valve on described minute circulation line;
Described indoor controller is connected with described master controller.
Be provided with the auxiliary electrical heating in the described heat storage water tank, described auxiliary electrical heating is connected with described indoor controller.
Described indoor controller is connected with remote monitoring center respectively with described master controller.
Above-mentioned solar water of the present invention concentrates the system of the directed heat exchange of collection heat separating user accumulation of heat to realize the method for the directed heat exchange of the concentrated collection of solar water heat separating user accumulation of heat, and its preferable specific embodiment comprises step:
At first, master controller is gathered the temperature at solar thermal collector top, temperature and the buffer tank temperature of solar thermal collector bottom, and the head temperature of comparison solar thermal collector and the difference of buffer tank temperature, when this difference during more than or equal to preset threshold, start first circulating pump, the energy of solar thermal collector collection is stored in the buffer tank;
Then, carry out heat exchange between main controller controls buffer tank and user's the heat storage water tank, take temperature rise staged heat exchange such as forward;
Temperature rise staged heat exchange such as described forward comprise:
Start second circulating pump, buffer tank at first and carry out heat exchange between ground floor user's the heat storage water tank, after the temperature difference (a degree) is set in ground floor multi-user's heat storage water tank temperature rising, close the corresponding motor-driven valve of ground floor user, more following one deck user is heated identical temperature rise.Successively to all layers user heat exchange, treat one take turns heating and finish after, then all are with the identical temperature that raise per family, guaranteed solar heat by distributing to of equilibrium all users.At this moment, return ground floor again, continue second and take turns heating, so repeatedly.
The condition that starts the heat exchange of described forward staged is that the temperature of described buffer tank is than the high b degree of temperature of each user's of ground floor heat storage water tank.
If the heat storage water tank temperature of the user in one deck is higher than the c degree, the motor-driven valve at this family cuts out, and stops heat exchange;
If the heat storage water tank temperature of all users in one deck all is higher than the c degree, this layer stops heat exchange, is directly switch to one deck down;
When all layers user's hot water storage tank temperature all is higher than c and spends, return ground floor, continue successively to heat by the mode of the every layer of a degree that once heats up;
When all layers user's hot water storage tank temperature all is higher than d and spends, stop heat exchange;
Described a degree is the 4-6 degree, and described b degree is the 8-12 degree, and described c degree is the 45-55 degree, and described d degree is the 60-70 degree.
When the value that is higher than the temperature of user's heat storage water tank when the temperature of described buffer tank was spent less than 2-4, the motor-driven valve at this family of main controller controls cut out.
When user's electrical heating started, indoor controller controlled the motor-driven valve at this family and cuts out.
Specific embodiment, as shown in Figure 1:
At the unified solar thermal collector 1 of installing of roof roofing, the heat storage water tank 3 of a band heat exchange coil 9 is installed in each user family, establish auxiliary electrical heating 10 in each heat storage water tank 3, the solar energy that solar thermal collector 1 absorbs is stored in the buffer tank 7 of roof by the heat exchange circulation, buffer tank 7 is stored in the solar energy that absorbs in each user's the heat storage water tank 3 uniformly by the heat exchange circulation again, and the words of heat storage water tank 3 shortages of heat are replenished by auxiliary electrical heating 10.
The mode of concrete operation is:
Master controller 6 is gathered temperature T a, temperature T b and the buffer tank temperature T c of solar thermal collector 1 bottom at solar thermal collector 1 top.During the head temperature Ta of master controller by solar thermal collector 1 relatively and buffer tank temperature T c difference Ta-Tb＞=X ℃ (X is preset threshold), start first circulating pump, the energy of solar thermal collector 1 collection is stored in the buffer tank 7.By carrying out heat exchange between master controller 6 control buffer tanks 7 and the user's heat storage water tank 3, take the heat exchange of forward staged again.
The specific embodiment of forward staged heat exchange comprises:
Start second circulating pump, the buffer tank 7 on roof is each only (can set 2～6 families with 4 families wherein, press the floor order) heat exchange, the motor-driven valve 4 of cutting out this 4 family behind user's heat storage water tank 3 temperature rising 5 degree (adjustable) automatically switches to down one deck, successively to all user's heat exchange (number of users of each heat exchange simultaneously is constant), treat one take turns the heating finish after, return ground floor, continue second and take turns heating, so repeatedly.Can guarantee that like this all users can access identical energy basically.
The condition that starts the forward heat exchange is that the temperature of roof buffer tank is spent (adjustable) than user's water tank temperature in 4 families in the ground floor high 10.If this a layer wherein family heat storage water tank temperature is higher than 50 degree, this family electromagnetism (moving) valve cuts out, and stops heat exchange.If all family temperature all are higher than 50 degree in this layer, be directly switch to one deck down.When all layers water tank temperature all is higher than 50 when spending, return ground floor, continue successively to heat by the modes of every layer of 5 degree that once heats up.When all water tank temperatures are higher than 65 when spending, stop heat exchange.
The temperature that is higher than user's heat storage water tank 3 when the temperature of roof buffer tank 7 is closed by master controller 6 these family motor-driven valves 4 of control during less than 3 degree (adjustable).When electrical heating starts, prevent that the hot water of user's water tank is pulled away, close this family motor-driven valve 4 by indoor controller 2.
The beneficial effect that the present invention obtains:
Can thoroughly solve the problem of reverse heat exchange: master controller 6 controls this family motor-driven valve 4 by roof buffer tank 7 with the temperature difference of user's heat storage water tank 3 and cuts out; When starting, electrical heating closes this family motor-driven valve 4 by indoor controller 2.Prevent reverse heat exchange and the heat of user's heat storage water tank 3 is taken away.
Prevent vertical direction weighing apparatus uneven in temperature: by temperature rise gradient heat exchange (temperature rise is adjustable) such as each households, guarantee that all users obtain identical heat basically, avoided the unbalanced problem of heat exchange.
Prevent the water tank overtemperature: when utilizing solar heat-exchange heating heat storage water tank, when water tank temperature is higher than 65 when spending, motor-driven valve cuts out, and prevents the water tank overtemperature.When utilizing electric heater heating heat storage water tank, when water tank temperature reached design temperature (the highest 65 degree), electrical heating stopped.On the electric heater of heat storage water tank the overheat protector expansion valve is arranged simultaneously, water tank is carried out overheat protector.
The preventing freeze in winter measure is: to start the water pump circulation when (adjustable) antifreeze when the temperature T b of solar thermal collector 1 bottom is lower than 5 degree, and temperature T b temperature is lower than 3 when spending, and it is antifreeze to start electric-heating belt.
The system exhaust measure: because buffer tank designs on the roof, circulation line is in full water state all the time, does not generally have air and enters.Even there is gas to produce, the air in the circulation main line can be discharged by buffer tank; At each user's heat storage water tank coil pipe upper outlet air bleeding valve is installed.Cycle fluid enters from the coil pipe outlet at bottom, and top exit flows out, if gas collection can be discharged by air bleeding valve.
Improve the measure of water temperature summer: because summer, the pipeline heat waste was little, can multifrequency time, different layers heat exchange or reduce heat exchange step temperature, the accumulation of heat that as far as possible circulates reduces the heat collector operating temperature, raises the efficiency.
The teletransmission measure: each indoor controller is gathered water tank temperature and motor-driven valve and electrical heating state, arrive master controller by 485 bus transfer, master controller is realized the visible each household state of property data center and temperature by radioing to property, and storage and provide software analysis to go out daily sheet.
Long-distance Control can realize the each household motor-driven valve, positive closing or open, the electrically heated positive closing of each household or open.And revise the parameter of master control and family control manually or automatically.
Long distance control system can be with user's water tank parameter and all parameters of thermal-arrest district and state transfer to property.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1. a solar water is concentrated the system of the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that, comprises solar thermal collector, buffer tank and the master controller of being located at roof, also comprises heat storage water tank and the indoor controller of being located at each user;
Circulation line between described solar thermal collector and the buffer tank is provided with first circulating pump, major cycle pipeline between described buffer tank and user's the heat storage water tank is provided with second circulating pump, be respectively equipped with motor-driven valve on the branch circulation line between described major cycle pipeline and each user's the heat storage water tank, be provided with heat exchange coil in the described heat storage water tank;
The temperature sensor of the temperature sensor on the top of described solar thermal collector and the temperature sensor of bottom and described buffer tank is connected with described master controller respectively;
Described first circulating pump is connected with described master controller respectively with second circulating pump;
The temperature sensor of described heat storage water tank is connected with described indoor controller respectively with magnetic valve on described minute circulation line;
Described indoor controller is connected with described master controller.
2. solar water according to claim 1 is concentrated the system of the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that, is provided with the auxiliary electrical heating in the described heat storage water tank, and described auxiliary electrical heating is connected with described indoor controller.
3. solar water according to claim 2 is concentrated the system of the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that described indoor controller is connected with remote monitoring center respectively with described master controller.
4. a claim 1,2 or 3 described solar waters concentrate the system of the directed heat exchange of collection heat separating user accumulation of heat to realize the method for the directed heat exchange of the concentrated collection of solar water heat separating user accumulation of heat, it is characterized in that, comprise step:
At first, master controller is gathered the temperature at solar thermal collector top, temperature and the buffer tank temperature of solar thermal collector bottom, and the head temperature of comparison solar thermal collector and the difference of buffer tank temperature, when this difference during more than or equal to preset threshold, start first circulating pump, the energy of solar thermal collector collection is stored in the buffer tank;
Then, carry out heat exchange between main controller controls buffer tank and user's the heat storage water tank, take temperature rise staged heat exchange such as forward;
Temperature rise staged heat exchange such as described forward comprise:
Start second circulating pump, buffer tank at first and carry out heat exchange between ground floor user's the heat storage water tank, after the temperature difference (a degree) is set in ground floor user's heat storage water tank temperature rising, close the corresponding motor-driven valve of ground floor user, more following one deck user is heated identical temperature rise.Successively to all layers user heat exchange, treat one take turns heating and finish after, then all are with the identical temperature that raise per family, guaranteed solar heat by distributing to of equilibrium all users.At this moment, return ground floor again, continue second and take turns heating, so repeatedly.
5. solar water according to claim 4 is concentrated the method for the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that the condition that starts temperature rise staged heat exchange such as described forward is that the temperature of described buffer tank is than the high b degree of temperature of each user's of ground floor heat storage water tank.
6. solar water according to claim 5 is concentrated the method for the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that if the heat storage water tank temperature at the family in one deck is higher than the c degree, the motor-driven valve at this family cuts out, and stops heat exchange;
If the heat storage water tank temperature of the multi-user in one deck all is higher than the c degree, this layer stops heat exchange, is directly switch to one deck down;
When all layers user's hot water storage tank temperature all is higher than c and spends, return ground floor, continue successively to heat by the mode of the every layer of a degree that once heats up;
When all layers user's hot water storage tank temperature all is higher than d and spends, stop heat exchange;
Described a degree is the 3-20 degree, and described b degree is the 8-12 degree, and described c degree is the 45-55 degree, and described d degree is the 60-70 degree.
7. solar water according to claim 6 is concentrated the method for the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that, when the value that is higher than the temperature of user's heat storage water tank when the temperature of described buffer tank was spent less than 2-4, the motor-driven valve at this family of main controller controls cut out.
8. solar water according to claim 7 is concentrated the method for the directed heat exchange of collection heat separating user accumulation of heat, it is characterized in that, when user's electrical heating started, indoor controller controlled the motor-driven valve at this family and cuts out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443066.4A CN103185368B (en) | 2011-12-27 | A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443066.4A CN103185368B (en) | 2011-12-27 | A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185368A true CN103185368A (en) | 2013-07-03 |
| CN103185368B CN103185368B (en) | 2016-12-14 |
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| CN103673058A (en) * | 2013-11-20 | 2014-03-26 | 天津市天友建筑设计股份有限公司 | Concentration heat collection scattering heat storage solar water heating system inversion-preventing heating device and method |
| CN108895531A (en) * | 2018-08-20 | 2018-11-27 | 博太科防爆设备（上海）有限公司 | A kind of full intelligent energy-saving hot water thermal insulating system and its construction technique |
| CN109442537A (en) * | 2018-11-14 | 2019-03-08 | 深圳市爱能森科技有限公司 | A kind of building intelligent cooling/warming system |
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| CN109442537B (en) * | 2018-11-14 | 2024-06-25 | 深圳市爱能森科技有限公司 | Intelligent cooling and heating system for building |
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