CN107166748A - A kind of double water tank heated type solar water heating system - Google Patents
A kind of double water tank heated type solar water heating system Download PDFInfo
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- CN107166748A CN107166748A CN201710451867.2A CN201710451867A CN107166748A CN 107166748 A CN107166748 A CN 107166748A CN 201710451867 A CN201710451867 A CN 201710451867A CN 107166748 A CN107166748 A CN 107166748A
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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
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- 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 a kind of double water tank heated type solar water heating system, the heat storage water tank that is connected including cold water source, controller, with cold water source, the heat collector being connected with heat storage water tank by first circulation pump, the heat supply water tank connected with heat storage water tank, heat storage water tank and heat collector are permanent full-water level, heat storage water tank top is provided with the first temperature sensor, first delivery port of heat collector is provided with second temperature sensor, heat supply water tank and is provided with three-temperature sensor；Controller is used to control when the difference of the temperature value of temperature value and the first temperature sensor of second temperature sensor is more than or equal to first threshold, starts first circulation pump, by the water injection heat collector in heat storage water tank；When the temperature value of second temperature sensor and the difference of temperature value of the first temperature sensor are less than or equal to Second Threshold, stop first circulation pump, until the water temperature of heat storage water tank reaches the 3rd threshold value.The double water tank heated type solar water heating system is effectively improved the utilization rate of solar energy.
Description
Technical field
The present invention relates to technical field of solar, more particularly to a kind of double water tank heated type solar water heating system.
Background technology
The single water tank direct-heating type solar water heating system generally used now is connected as shown in figure 1, cold water inlet
Heat storage water tank 3 and heat collector 2 are respectively communicated with, the second motor-driven valve, cold water are provided between the water inlet pipe of cold water source 1 and heat storage water tank 3
The first motor-driven valve is provided between the water inlet pipe of source 1 and heat collector 2, the first thermal-arrest is provided between heat storage water tank 3 and heat collector 2 and is followed
Ring pump, the height of water level when water of heat storage water tank 3 is full is h.First temperature sensor is set in heat storage water tank 3, measured temperature is T1.
Second temperature sensor is set in the port of export of heat collector 2, measured temperature is T2.The is set in the port of export of auxiliary heating source for heating device 6
Three-temperature sensor, measured temperature is T3.
Its control mode is：Use constant temperature delivery water mode when the water level of heat storage water tank 3 is less than 1/3h, i.e., when T2 >=50 DEG C and
When water level is less than 1/3h, the first motor-driven valve is opened through heat collector 2 to the moisturizing of heat storage water tank 3；Work as T2<50 DEG C or water level are higher than 1/3h
When, the first motor-driven valve is closed.When the water level of heat storage water tank 3 is higher than 1/3h+100, using temperature difference endless form, the second motor-driven valve is opened
Open to the direct moisturizing of heat storage water tank 3.When T2-T1 >=5~10 DEG C when, second collection hot recycle pump start；When T2-T1≤1~3 DEG C
When, second circulation pump stops.When reaching setting time and T1≤50 DEG C, auxiliary heating source for heating device 6 is opened, and works as T1>At 60 DEG C,
Auxiliary heating source for heating device 6 is closed.
《Code for design of building water supply and sewerage》Regulation, the heating load of auxiliary thermal source should be by this specification Qg=Qh-ηVτ(tτ-t1)C
ρ/T is calculated.In this formula, heating load is the function of heat consumption and heat consumption duration, and design hour heat dissipation
Amount only with water number, water consumption quota, relevant with water water temperature, with water duration and hourly variation factor, for specific project, its value is
Certain, at this moment, after water tank capacity is selected, heating load is only related to the heat consumption duration, and the heat consumption duration gets over
It is short, it is necessary to heating load it is fewer, or even calculate negative value, it is clear that be wrong.
Heat storage water tank 3 is directly related with hot water water consumption, without should be related to the area of heat collector 2, when due to by erecting bed
When ground limitation heat collector 2 erection space is less than design area, the heat storage water tank 3 for calculating design by this formula will be due to storage heat not
Cause certain customers without the available difficult situation of hot water enough.
The capacity of heat supply water tank 4 for keeping hot water circuit is not reserved, and hot water is difficult to circulation insulation, and is not yet reached most in the sun
During water production, Water in Water Tank is heated by air-source heat and finished, when the high sunshine-duration length of summer temperature can produce more heat
During water, heat storage water tank 3 volume enough due to lacking and waste solar energy, solar energy utilization ratio is low.
In summary, the low problem of solar energy utilization ratio how is efficiently solved, is that current those skilled in the art are badly in need of
The problem of solution.
The content of the invention
It is an object of the invention to provide a kind of double water tank heated type solar water heating system, the double water tank heated type solar energy
Hot-water heating system is effectively improved the utilization rate of solar energy.
In order to solve the above technical problems, the present invention provides following technical scheme：
A kind of double water tank heated type solar water heating system, including cold water source, the first water inlet end are connected with the cold water source
Heat storage water tank, the first water inlet be connected by first circulation pump with the first water side of the heat storage water tank heat collector,
The heat supply water tank that one inlet opening is connected with the second water side of the heat storage water tank, the heat storage water tank and the heat collector are
Permanent full-water level, the heat storage water tank top is provided with the first temperature sensor, and the first delivery port of the heat collector is provided with
Three-temperature sensor is provided with two temperature sensors, the heat supply water tank；Also include and the heat collector, first temperature
The controller that degree sensor, the second temperature sensor, the three-temperature sensor are all connected with,
The controller is used to control the temperature value and first temperature sensor when the second temperature sensor
When the difference of temperature value is more than or equal to first threshold, start the first circulation pump, the water in the heat storage water tank is injected described
Heat collector；When the temperature value of the second temperature sensor and the difference of temperature value of first temperature sensor are less than or equal to the
During two threshold values, stop the first circulation pump, until the water temperature of the heat storage water tank reaches the 3rd threshold value.
Preferably, in addition to import is connected by second circulation pump with the 3rd water side of the heat storage water tank and by
Auxiliary heating source for heating device that three circulating pumps are connected with the first apopore of the heat supply water tank, the auxiliary heating source for heating device goes out
Mouth is entered by the first valve and the second valve with the second water inlet end of the heat storage water tank and the second of the heat supply water tank respectively
Water hole is connected, and the 3rd valve, the exit of the auxiliary heating source for heating device are provided with the import of the auxiliary heating source for heating device
The 4th temperature sensor is provided with, the auxiliary heating source for heating device is permanent full-water level, the auxiliary heating source for heating device, described second
Circulating pump, the 3rd circulating pump, first valve, second valve, the 3rd valve, the 4th TEMP
Device is connected with the controller,
The controller is additionally operable to control first temperature sensor and detects water in the heat storage water tank in setting time
Water temperature, when the temperature value of first temperature sensor is less than four threshold values, starts the auxiliary heating source for heating device and beat
The second circulation pump is driven, and opens first valve and the 3rd valve, the 4th threshold will be less than in the heat storage water tank
The water of value is heated to the 4th threshold value through the auxiliary heating source for heating device.
Preferably, the first water inlet end of the heat storage water tank is that open type is connected with its first water side, the heat supply water tank
The second inlet opening and its first apopore be that open type is connected, the first apopore of the heat supply water tank is also followed by the described 3rd
Ring pump and the 4th valve are connected with the 3rd water inlet end of the heat storage water tank,
The controller is additionally operable to the temperature value of control three-temperature sensor described in the heat supply water tank less than the
During four threshold values, and when the temperature value of first temperature sensor of the heat storage water tank is more than four threshold values, start institute
The 3rd circulating pump is stated, the 4th valve is opened, the heat storage water tank high-temperature-hot-water is replaced into the heat supply water tank low-temperature water heating；
When the temperature value of first temperature sensor is less than or equal to four threshold values, start the auxiliary heating source for heating device and described the
Three circulating pumps, open second valve and the 3rd valve, by the heat supply water tank low-temperature water heating by the auxiliary thermal source
Heater is heated to the 4th threshold value.
Preferably, the heating-up temperature of the auxiliary heating source for heating device is set as 48-52 DEG C.
Preferably, the controller is additionally operable to after user is sporadicly using water, and the heat storage water tank discharge reduction needs to mend
During water, start the auxiliary heating source for heating device, when the temperature value of the 4th temperature sensor reaches four threshold values, start the
Two circulating pumps, open the 4th valve.
Preferably, the controller is additionally operable to after hot-water heating system is circulated in long-time, the three-temperature sensor
When temperature value is less than four threshold values, start the auxiliary heating source for heating device and the 3rd circulating pump, open the 3rd valve, make institute
The water for stating heat supply water tank is heated by the auxiliary heating source for heating device, until the temperature value of the three-temperature sensor is more than or equal to
4th threshold value.
Preferably, the volume of the heat storage water tank is equal to highest day hot water water consumption, and the volume of the heat supply water tank is equal to
Heat consumption in preset time, the total measurement (volume) of boiler be equal to the volume of the heat storage water tank and the heat supply water tank volume it
With.
Preferably, the heat time of the auxiliary heating source for heating device is 3.5~4.5 hours.
Double water tank heated type solar water heating system provided by the present invention, including cold water source, heat storage water tank, heat collector,
Heat supply water tank, controller, cold water source are source of cold water, such as connect running water pipe.The water inlet end of heat storage water tank first and cold water source
Connection, the water inlet of heat collector first is connected by the first water side of first circulation pump and heat storage water tank, and heat supply water tank first enters
Water hole is connected with the second water side of heat storage water tank, and heat storage water tank and heat collector are permanent full-water level, and heat storage water tank top is set
There is the first temperature sensor, the first delivery port of heat collector, which is provided with second temperature sensor, heat supply water tank, is provided with the 3rd
Temperature sensor；Also include being all connected with heat collector, the first temperature sensor, second temperature sensor, three-temperature sensor
Controller, controller be solar control center.
The difference that controller is used for the temperature value for controlling temperature value and the first temperature sensor for working as second temperature sensor is big
When equal to first threshold, start first circulation pump, the water in heat storage water tank is injected into heat collector；When second temperature sensor
When the difference of the temperature value of temperature value and the first temperature sensor is less than or equal to Second Threshold, stop first circulation pump, until heat accumulation
The water temperature of water tank reaches the 3rd threshold value.
Specifically, when second temperature sensor temperature value and the first temperature sensor temperature value difference >=5~10
DEG C when, now first threshold be 5~10 DEG C, first circulation pump startup, when the temperature value and the first temperature of second temperature sensor
During difference≤1~3 DEG C of the temperature value of sensor, now first threshold is 1~3 DEG C, and first circulation pump stops, until heat storage water tank
Water temperature reaches 70 DEG C, and now the 3rd threshold value is 70 DEG C, under conditions of hot water is gasified, more heat energy is stored, not have
Have and ensure that the water of heat storage water tank has higher temperature when the sun, more save, make full use of solar energy.
Double water tank heated type solar water heating system provided by the present invention, makes full use of solar energy, and connected mode is simple,
Simplify structure, solar energy utilization ratio is higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of typical single heating water tanks formula solar water heating system in the prior art；
The double water tank open type heated type solar water heating system that Fig. 2 is provided for a kind of embodiment in the present invention
Schematic diagram；
The double water tank enclosed heated type solar water heating system that Fig. 3 is provided for another embodiment in the present invention
Schematic diagram.
Marked in accompanying drawing as follows：
1- cold water sources, 2- heat collectors, 3- heat storage water tanks, 4- heat supplies water tank, 5- controllers, 6- auxiliary heating source for heating devices.
Embodiment
The core of the present invention is to provide a kind of double water tank heated type solar water heating system, the double water tank heated type solar energy
Hot-water heating system is effectively improved the utilization rate of solar energy.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It refer to Fig. 2 and Fig. 3, the double water tank open type heated type that Fig. 2 is provided for a kind of embodiment in the present invention
The schematic diagram of solar water heating system；The double water tank enclosed heating that Fig. 3 is provided for another embodiment in the present invention
The schematic diagram of formula solar water heating system.
In a kind of embodiment, double water tank heated type solar water heating system provided by the present invention, including it is cold
Water source 1, heat storage water tank 3, heat collector 2, heat supply water tank 4, controller 5, cold water source 1 are source of cold water, such as connect running water pipe.
The water inlet end of heat storage water tank 3 first is connected with cold water source 1, and the water inlet of heat collector 2 first passes through first circulation pump and heat storage water tank 3
First water side is connected, and the inlet opening of heat supply water tank 4 first is connected with the second water side of heat storage water tank 3, heat storage water tank 3 and thermal-arrest
Device 2 is permanent full-water level, and the top of heat storage water tank 3 is provided with the first temperature sensor, and the first delivery port of heat collector 2 is provided with
Three-temperature sensor is provided with two temperature sensors, heat supply water tank 4；Also include with heat collector 2, the first temperature sensor,
The controller 5 that second temperature sensor, three-temperature sensor are all connected with, controller 5 is solar control center.
The difference that controller 5 is used for the temperature value for controlling temperature value and the first temperature sensor for working as second temperature sensor is big
When equal to first threshold, start first circulation pump, the water in heat storage water tank 3 is injected into heat collector 2；Work as second temperature sensor
Temperature value and the first temperature sensor temperature value difference be less than or equal to Second Threshold when, stop first circulation pump, until storage
The water temperature of boiler 3 reaches the 3rd threshold value.
Specifically, when second temperature sensor temperature value and the first temperature sensor temperature value difference >=5~10
DEG C when, now first threshold be 5~10 DEG C, first circulation pump startup, when the temperature value and the first temperature of second temperature sensor
During difference≤1~3 DEG C of the temperature value of sensor, now first threshold is 1~3 DEG C, and first circulation pump stops, until heat storage water tank
3 water temperatures reach 70 DEG C, and now the 3rd threshold value is 70 DEG C, under conditions of hot water is gasified, more heat energy are stored, not have
Have and ensure that the water of heat storage water tank 3 has higher temperature when the sun, more save, make full use of solar energy.
Double water tank heated type solar water heating system provided by the present invention, makes full use of solar energy, and connected mode is simple,
Simplify structure, solar energy utilization ratio is higher.
Above-mentioned double water tank heated type solar water heating system is only a kind of preferred scheme, is specifically not limited thereto, herein
On the basis of can make according to actual needs with targetedly adjusting, so as to obtain different embodiments, in addition to auxiliary heat
Source heater 6, the import of auxiliary heating source for heating device 6 is connected and passed through with the 3rd water side of heat storage water tank 3 by second circulation pump
3rd circulating pump is connected with the first apopore of heat supply water tank 4, the outlet of auxiliary heating source for heating device 6 respectively by the first valve and
Second valve is connected with the second water inlet end of heat storage water tank 3 and the second inlet opening of heat supply water tank 4, auxiliary heating source for heating device 6
The 3rd valve is provided with import, the exit of auxiliary heating source for heating device 6 is provided with the 4th temperature sensor, auxiliary heating source for heating
Device 6 is permanent full-water level, auxiliary heating source for heating device 6, second circulation pump, the 3rd circulating pump, the first valve, the second valve, the 3rd valve
Door, the 4th temperature sensor are connected with controller 5.Controller 5 is additionally operable to the first temperature sensor of control and examined in setting time
The water temperature of water in heat storage water tank 3 is surveyed, when the temperature value of the first temperature sensor is less than four threshold values, starts auxiliary heating source for heating
Device 6 and opening second circulation pump, and the first valve and the 3rd valve are opened, the water in heat storage water tank 3 less than the 4th threshold value is passed through
Auxiliary heating source for heating device 6 is heated to the 4th threshold value.
By taking central plain area as an example, most cold day typically occurs in annual December 27 days or so, and this day, sunrise time is 7:
30, sunset time is 17:20, it is different according to longitude and latitude, understand difference.Within the time of this nearly 10 hour, the morning due to
Temperature is low, and water temperature rises slowly, and hot water aquifer yield is less.The maximum temperature period is 12:30—16:Between 30,16:After 30, by
It is bigger than normal in sun angle, solar energy heat production water sharp-decay, until sunset.
Specifically, to make full use of solar irradiation heat energy, most cold day should be in setting time 16:30 or so, other areas
Can suitably it be postponed with the date, the temperature of water in detection heat storage water tank 3, when detecting that water temperature does not reach 50 DEG C in heat storage water tank 3,
Now the 4th threshold value is 50 DEG C, auxiliary thermal source heat collector 2 and second circulation pump startup, opens the valve of valve first and the 3rd valve
Door, 50 DEG C are heated to by the water in heat storage water tank 3 less than 50 DEG C through auxiliary heating source for heating device 6.That is, before sunset some time
In, such as 1 hour or so measurement boiler water before sunset, it is general from 19 that people are concentrated use in the hot water time:30 start, and supply
Boiler 4 can continued hot-water supply 90min, therefore, 21:It all will should be completed to heat with water before 00, auxiliary heating source for heating
The heat time of device 6 is from 16:30~21:00 common 270min, for safety, heat time take T=240min, and cold water is through auxiliary warm
Just to the moisturizing of heat storage water tank 3 after the heating of source heater 6, it is ensured that used with enough hot water.
On the basis of above-mentioned embodiment, those skilled in the art can be according to the difference of specific occasion, to double
Heating water tanks formula solar water heating system carries out some changes, and the first water inlet end of heat storage water tank 3 is to open with its first water side
Formula is connected, and the second inlet opening of heat supply water tank 4 is that open type is connected with its first apopore, and the first apopore of heat supply water tank 4 is also
It is connected by the 3rd circulating pump and the 4th valve with the 3rd water inlet end of heat storage water tank 3.Controller 5 is additionally operable to control and works as supplying hot water
When the temperature value of three-temperature sensor is less than four threshold values in case 4, and the temperature of the first temperature sensor when heat storage water tank 3
When angle value is more than four threshold values, start the 3rd circulating pump, open the 4th valve, the high-temperature-hot-water of heat storage water tank 3 is replaced into supplying hot water
The low-temperature water heating of case 4；When the temperature value of the first temperature sensor is less than or equal to four threshold values, start the He of auxiliary heating source for heating device 6
3rd circulating pump, opens the second valve and the 3rd valve, and the low-temperature water heating of heat supply water tank 4 is added by the auxiliary heating source for heating device 6
Heat is to the 4th threshold value.
Specifically, after hot-water heating system is circulated in long-time, the temperature of the three-temperature sensor detection of heat supply water tank 4
, it is necessary to improve system temperature when being reduced to less than 50 DEG C.When the water temperature of heat storage water tank 3>At 50 DEG C, start the 3rd circulating pump, open
4th valve, the low-temperature water heating of heat supply water tank 4 is replaced by the high-temperature-hot-water of heat storage water tank 3；When 3 water temperature≤50 DEG C of heat storage water tank, open
The circulating pump of dynamic auxiliary heat source heater 6 and the 3rd, opens the second valve and the 3rd valve, by the low-temperature water heating of heat supply water tank 4 by auxiliary
Help heat source heater 6 to be heated to 50 DEG C, system temperature is improved, in case using.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Embodiment carries out some changes, in addition to sink and laboratory washbowl, and it is no more than 40 DEG C using hot water water temperature,
In the case of by auxiliary heating source for heating, boiler water temperature is set to reach that 50 DEG C are entirely capable of meeting the use requirement in addition to sink,
Therefore, to save the energy, water temperature is set as 48-52 DEG C, preferably auxiliary heating source for heating when being heated using auxiliary thermal source heat collector 2
The heating-up temperature of device 6 is set as 50 DEG C.
It is important to note that double water tank heated type solar water heating system provided by the present invention is not intended to be limited to
Such a situation, controller 5 is additionally operable to after user is sporadicly using water, when the discharge reduction of heat storage water tank 3 needs moisturizing, starts auxiliary
Heat source heater 6, when the temperature value of the 4th temperature sensor reaches four threshold values, such as the 4th threshold value is 50 DEG C, starts the
Two circulating pumps, open the 4th valve, hot water are filled into heat supply water tank 4, system water temperature are improved, in case using.
Double water tank heated type solar water heating system provided by the present invention, in the case of other parts are immovable, control
Device 5 processed is additionally operable to after hot-water heating system is circulated in long-time, when the temperature value of three-temperature sensor is less than four threshold values, such as
4th threshold value is 50 DEG C, starts auxiliary heating source for heating device 6 and the 3rd circulating pump, opens the 3rd valve, make the water of heat supply water tank 4 by
Auxiliary heating source for heating device 6 is heated, and until the temperature value of three-temperature sensor is more than or equal to the 4th threshold value, improves system temperature,
In case using.
For the double water tank heated type solar water heating system in each above-mentioned embodiment, the volume of heat storage water tank is equal to most
High day hot water water consumption, the volume of heat supply water tank is equal to heat consumption in preset time, and the total measurement (volume) of boiler is equal to heat storage water tank
Volume and heat supply water tank volume sum.
Specifically,
Heat storage water tank dischargeable capacity
Heat storage water tank must have enough volumes, either using solar energy heating or auxiliary heating source for heating, storage
Hot water amount should be able to meet the requirement of the lower hot water usage amount of design quota, and design usage amount is highest day hot water water consumption.
Vrx=m.qr
Vrx----heat storage water tank dischargeable capacity；
M---- is told noses or bedspace with water unit of account；
qr----highest day hot water water consumption quota；
Heat supply water tank dischargeable capacity
After heat supply terminates, for hot water reliable cycle in maintenance system, maintenance system have certain water temperature, be capable of supply that it is interim
Using hot water, hot-water heating system should set heat supply water tank, and ensure certain capacity, not cause water temperature drop too fast during to circulate,
Auxiliary thermal source frequent starting is not made.For boiler dischargeable capacity take 90min design heat consumption exemplified by.
Vgx=90.Kh.m.qr/(60.T)
Vgx----heat supply water tank dischargeable capacity；
Kh----hour variation coefficient；
M---- hot water water demand units；
qr----hot water water consumption quota；
T---- hot water use times.
When using single water tank hot water system, heat supply water tank capacity should be reserved in water tank bottom.
The total dischargeable capacity of boiler：
The total dischargeable capacity V of boilerrz=Vrx+Vgx
Specifically, to solve the problem of auxiliary heating source for heating device heating load is calculated as negative value, true reflection auxiliary is hot
Heating load needed for source, is used《Code for design of building water supply and sewerage》GB50015-2003 (version in 2009) formulaCalculate, in formula：
Qg--- water resource heat pump design hour heating load；
qr----hot water water consumption quota；
M---- water unit of account numbers；
tr----hot water temperature；
t1----cold water temperature；
T1----source pump design work the time；
k1----safety coefficient, k1=1.05~1.10.
As described above, measuring and calculating heat time T1For 270min, for safety, T1It should take 3.5~4.5 hours..
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of double water tank heated type solar water heating system, it is characterised in that including cold water source (1), the first water inlet end and institute
State the heat storage water tank (3) of cold water source (1) connection, the first water inlet and pass through first circulation pump and the first of the heat storage water tank (3)
The heat supply water tank that the heat collector (2) of water side connection, the first inlet opening are connected with the second water side of the heat storage water tank (3)
(4), the heat storage water tank (3) and the heat collector (2) are permanent full-water level, and heat storage water tank (3) top is provided with first
Temperature sensor, the first delivery port of the heat collector (2), which is provided with second temperature sensor, the heat supply water tank (4), to be set
It is equipped with three-temperature sensor；Also include sensing with the heat collector (2), first temperature sensor, the second temperature
The controller (5) that device, the three-temperature sensor are all connected with,
The controller (5) is used for the temperature for controlling the temperature value when the second temperature sensor and first temperature sensor
When the difference of angle value is more than or equal to first threshold, start the first circulation pump, the water in the heat storage water tank (3) is injected described
Heat collector (2)；When the second temperature sensor temperature value and first temperature sensor temperature value difference be less than etc.
When Second Threshold, stop the first circulation pump, until the water temperature of the heat storage water tank (3) reaches the 3rd threshold value.
2. double water tank heated type solar water heating system according to claim 1, it is characterised in that also pass through including import
Second circulation pump is connected with the 3rd water side of the heat storage water tank (3) and by the 3rd circulating pump and the heat supply water tank (4)
The first apopore connection auxiliary heating source for heating device (6), the outlet of the auxiliary heating source for heating device (6) passes through the first valve respectively
Door and the second valve are connected with the second water inlet end of the heat storage water tank (3) and the second inlet opening of the heat supply water tank (4), institute
The 3rd valve is provided with the import for stating auxiliary heating source for heating device (6), the exit of the auxiliary heating source for heating device (6) is provided with
4th temperature sensor, the auxiliary heating source for heating device (6) is permanent full-water level, the auxiliary heating source for heating device (6), described second
Circulating pump, the 3rd circulating pump, first valve, second valve, the 3rd valve, the 4th TEMP
Device is connected with the controller (5),
The controller (5) is additionally operable to control first temperature sensor and detected in setting time in the heat storage water tank (3)
The water temperature of water, when the temperature value of first temperature sensor is less than four threshold values, starts the auxiliary heating source for heating device (6)
With open the second circulation pump, and open first valve and the 3rd valve, will be less than in the heat storage water tank (3)
The water of 4th threshold value is heated to the 4th threshold value through the auxiliary heating source for heating device (6).
3. double water tank heated type solar water heating system according to claim 2, it is characterised in that the heat storage water tank
(3) the first water inlet end and its first water side are that open type is connected, and the second inlet opening of the heat supply water tank (4) first goes out with it
Water hole connects for open type, and the first apopore of the heat supply water tank (4) also passes through the 3rd circulating pump and the 4th valve and institute
The 3rd water inlet end connection of heat storage water tank (3) is stated,
The temperature value that the controller (5) is additionally operable to control to work as three-temperature sensor described in the heat supply water tank (4) is less than
During four threshold values, and when the temperature value of first temperature sensor of the heat storage water tank (3) is more than four threshold values, open
The 3rd circulating pump is moved, the 4th valve is opened, the heat storage water tank (3) high-temperature-hot-water is replaced into the heat supply water tank
(4) low-temperature water heating；When the temperature value of first temperature sensor is less than or equal to four threshold values, starts the auxiliary thermal source and add
Hot device (6) and the 3rd circulating pump, open second valve and the 3rd valve, by heat supply water tank (4) low temperature
Hot water is heated to the 4th threshold value by the auxiliary heating source for heating device (6).
4. double water tank heated type solar water heating system according to claim 3, it is characterised in that the auxiliary thermal source adds
The heating-up temperature of hot device (6) is set as 48-52 DEG C.
5. double water tank heated type solar water heating system according to claim 3, it is characterised in that the controller (5)
It is additionally operable to after user is sporadicly using water, when heat storage water tank (3) discharge reduction needs moisturizing, starts the auxiliary thermal source and add
Hot device (6), when the temperature value of the 4th temperature sensor reaches four threshold values, starts second circulation pump, opens the 4th valve
Door.
6. double water tank heated type solar water heating system according to claim 3, it is characterised in that the controller (5)
It is additionally operable to after hot-water heating system is circulated in long-time, when the temperature value of the three-temperature sensor is less than four threshold values, start
The auxiliary heating source for heating device (6) and the 3rd circulating pump, open the 3rd valve, make the water of the heat supply water tank (4) by institute
Auxiliary heating source for heating device (6) heating is stated, until the temperature value of the three-temperature sensor is more than or equal to the 4th threshold value.
7. the double water tank heated type solar water heating system according to claim any one of 1-6, it is characterised in that the storage
The volume of boiler (3) is equal to highest day hot water water consumption, and the volume of the heat supply water tank (4) is equal to heat dissipation in preset time
Amount, the total measurement (volume) of boiler is equal to the volume of the heat storage water tank (3) and the volume sum of the heat supply water tank (4).
8. single water tank direct-heating type solar water heating system according to claim any one of 1-6, it is characterised in that institute
The heat time for stating auxiliary heating source for heating device (6) is 3.5~4.5 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710451867.2A CN107166748A (en) | 2017-06-15 | 2017-06-15 | A kind of double water tank heated type solar water heating system |
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| CN201710451867.2A CN107166748A (en) | 2017-06-15 | 2017-06-15 | A kind of double water tank heated type solar water heating system |
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| CN201710451867.2A Pending CN107166748A (en) | 2017-06-15 | 2017-06-15 | A kind of double water tank heated type solar water heating system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235715A (en) * | 2010-05-07 | 2011-11-09 | 上海海洋大学 | Solar water heating system with double water tanks |
| US20120060827A1 (en) * | 2011-03-07 | 2012-03-15 | General Electric Company | Control for a tankless water heater used with a solar water heating system |
| CN106016784A (en) * | 2016-07-06 | 2016-10-12 | 天普新能源科技有限公司 | Micropower solar water heating system |
| CN205783297U (en) * | 2016-05-27 | 2016-12-07 | 北京天人众创节能环保科技有限公司 | Space energy central hot-water system |
-
2017
- 2017-06-15 CN CN201710451867.2A patent/CN107166748A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235715A (en) * | 2010-05-07 | 2011-11-09 | 上海海洋大学 | Solar water heating system with double water tanks |
| US20120060827A1 (en) * | 2011-03-07 | 2012-03-15 | General Electric Company | Control for a tankless water heater used with a solar water heating system |
| CN205783297U (en) * | 2016-05-27 | 2016-12-07 | 北京天人众创节能环保科技有限公司 | Space energy central hot-water system |
| CN106016784A (en) * | 2016-07-06 | 2016-10-12 | 天普新能源科技有限公司 | Micropower solar water heating system |
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Application publication date: 20170915 |