CN107120711A - Solar-heating device - Google Patents
Solar-heating device Download PDFInfo
- Publication number
- CN107120711A CN107120711A CN201710304964.9A CN201710304964A CN107120711A CN 107120711 A CN107120711 A CN 107120711A CN 201710304964 A CN201710304964 A CN 201710304964A CN 107120711 A CN107120711 A CN 107120711A
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- Prior art keywords
- switch valve
- heat
- heat exchanger
- outer net
- water tank
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000005338 heat storage Methods 0.000 claims abstract description 85
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/005—Hot-water central heating systems combined with solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0271—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- 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
-
- 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
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to a kind of solar-heating device, including solar thermal collector, First Heat Exchanger, heat storage water tank and heat patching device, and entrance is connected between First Heat Exchanger and heat storage water tank, exports the pipeline being connected between heat storage water tank and heat patching device, First Heat Exchanger and heat patching device are connected with outer net respectively, make it at least formed with open loop mode of operation：When the heat that solar thermal collector is collected is more than outer net institute calorific requirement, outer net backwater is through heat storage water tank and pipeline to outer net after First Heat Exchanger, and until temperature reaches the upper limit in heat storage water tank, outer net backwater is through First Heat Exchanger and pipeline to outer net；When the heat of collection is less than outer net institute calorific requirement, outer net backwater is through First Heat Exchanger, heat storage water tank to outer net；When solar thermal collector is in the temperature of empty calory absorbing state and heat storage water tank more than outer net institute calorific requirement, outer net backwater is through heat storage water tank to outer net；When less than outer net institute calorific requirement, outer net backwater is after heat storage water tank, heat patching device to outer net.
Description
Technical field
The invention belongs to solar-heating field, and in particular to a kind of solar-heating device.
Background technology
In recent years, as people are increasing to the heat demand of domestic hot-water, heating etc., solar energy is cleaned as one kind
Regenerative resource, be widely used in various heat demands.Solar-heating device is used to convert solar energy into heat
Can, so as to which the partial heat energy is applied into required occasion.
At present, existing solar-heating device (as shown in Figure 10) mainly includes heat collector 30, storage tank 40, auxiliary heat
Source 50, water pump and control device etc..Its operation principle is：Water pump makes water be circulated between heat collector 30 and storage tank 40, works as collection
The hot top water temperature of device 30 higher than the bottom water temperature of storage tank 40 is some spend when, control device will start water pump make water heat collector 30 with
Circulated between storage tank 40；When the top water temperature of heat collector 30 is less than 40 bottom water temperature of storage tank, control device will start
Auxiliary thermal source 50 heats the water in storage tank 40, the water after heating from storage tank 40 after water pump pressurization feeding user's heating again
Return to storage tank 40.
However, although existing solar-heating device disclosure satisfy that heat demand to a certain extent, it is still deposited
In more defect.Circulatory mediator for example in existing solar-heating device between heat collector 30 and storage tank 40 is usually used
Water is as heat-conducting medium, and its operating temperature range is narrow, and needs corresponding water treatment system and equipment, therefore cost is higher and heat
Inefficiency；In addition, the auxiliary thermal source 50 in existing solar-heating device directly heats the water in storage tank 40, there is electricity
Situation about waste；In addition, existing solar-heating device can not also carry out heat supply regulation, thus it is strong running into such as illumination
When degree is inadequate, its own can not meet normal heat demand in real time.
In view of the deficiencies of the prior art, those skilled in the art wishes that heat supply need can be met in real time by seeking one kind
The solar-heating device asked, so that it can meet the supply to required heat energy under any weather condition.
The content of the invention
To make up the deficiencies in the prior art, the sun of heat demand can be met in real time it is an object of the invention to provide a kind of
Energy heating plant, so that it can meet the supply to required heat energy under any weather condition.
In consideration of it, the invention provides a kind of solar-heating device, including：The solar thermal collector being sequentially connected, the
One heat exchanger, heat storage water tank and heat patching device, and entrance are connected between First Heat Exchanger and heat storage water tank, export and be connected to
Pipeline between heat storage water tank and heat patching device, wherein, First Heat Exchanger and heat patching device are connected respectively the entrance of outer net
With the outlet of outer net so that solar-heating device at least formed with open loop mode of operation with to outer net heat supply, open loop fortune
Row mode includes：
Open loop mode one：Heat is needed when heat of the solar thermal collector in heat absorption state and collection is more than outer net
When, outer net backwater initially enters First Heat Exchanger, and with passing through heat accumulation simultaneously after the heat-conducting medium heat exchange in solar thermal collector
Water tank and pipeline are with to outer net heat supply, and when temperature value reaches the upper limit in heat storage water tank, outer net backwater is through First Heat Exchanger and pipe
To outer net heat supply behind road；
Open loop mode two：When the heat that solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, outer net backwater sequentially passes through First Heat Exchanger, heat storage water tank with to outer net heat supply；
Open loop mode three：When the temperature that solar thermal collector is in empty calory absorbing state and heat storage water tank is more than outer net institute
When needing temperature, outer net backwater is directly through heat storage water tank to outer net heat supply；
Open loop mode four：When the temperature that solar thermal collector is in empty calory absorbing state and heat storage water tank is less than outer net institute
When needing temperature, outer net backwater is after heat storage water tank, heat patching device to outer net heat supply.
Further, solar-heating device also includes being connected in parallel on the pipeline connected between heat storage water tank and heat patching device
The second heat exchanger, the second heat exchanger is connected with First Heat Exchanger and heat patching device simultaneously, so that solar-heating device
Operation with closed ring pattern is also formed with, operation with closed ring pattern includes：
Closed loop mode one：Heat is needed when heat of the solar thermal collector in heat absorption state and collection is more than outer net
When, the second heat exchanger primary side backwater initially enters First Heat Exchanger, and with sequentially passing through heat accumulation after solar thermal collector heat exchange
The second heat exchanger primary side is back to after water tank and pipeline, when temperature value reaches the upper limit in heat storage water tank, the second heat exchanger one
Secondary side backwater is back to the second heat exchanger primary side after First Heat Exchanger, pipeline；And the second heat exchanger secondary side backwater is through
Directly to outer net heat supply after two heat exchanger secondary sides；
Closed loop mode two：When the heat that solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, the second heat exchanger primary side backwater is back to the second heat exchanger primary side through First Heat Exchanger, heat storage water tank successively；And second
Heat exchanger secondary side backwater is after the second heat exchanger secondary side directly to outer net heat supply；
Closed loop mode three：When the temperature that solar thermal collector is in empty calory absorbing state and heat storage water tank is more than outer net institute
When needing temperature, the second heat exchanger primary side backwater is directly back to the second heat exchanger primary side after heat storage water tank；And second changes
Hot device secondary side backwater is after the second heat exchanger secondary side directly to outer net heat supply；
Closed loop mode four：When the temperature that solar thermal collector is in empty calory absorbing state and heat storage water tank is less than outer net institute
When needing temperature, outer net backwater or moisturizing are directly to outer net heat supply after heat patching device.
Further, the outlet of solar thermal collector is connected with a side entrance of First Heat Exchanger, First Heat Exchanger
One time side outlet is connected with the entrance of solar thermal collector, and the secondary side outlet of First Heat Exchanger enters with heat storage water tank simultaneously
Mouth, the entrance of pipeline are connected, and the outlet of storage tank is changed with the outlet of pipeline, a side entrance of the second heat exchanger, second simultaneously
The secondary side entrance of hot device is connected with the entrance of heat patching device, a side outlet of the second heat exchanger simultaneously with First Heat Exchanger
Secondary side entrance is connected with the entrance of outer net, and the secondary side outlet of the second heat exchanger is connected with the entrance of heat patching device, concurrent heating dress
The outlet put is connected with the outlet of outer net.
Further, solar-heating device also includes switch valve module, and switch valve module includes being arranged on the first heat exchange
The secondary side outlet of device, the first switch valve of secondary side porch and second switch valve, are arranged on the entrance of heat storage water tank and go out
The 3rd switch valve and the 4th switch valve at mouthful, are arranged on the 5th switch valve and the 6th at the entrance and exit of heat patching device and open
Valve is closed, the 7th switch valve on pipeline is arranged on, is arranged between first switch valve and second switch valve and is connect for selectivity
Enter the 8th switch valve of First Heat Exchanger, be arranged between the 5th switch valve and the 6th switch valve and access concurrent heating for selectivity
9th switch valve of device, and the 19th switch valve being arranged between the outlet of outer net and entrance, wherein,
In open loop mode once, the 5th switch valve, the 6th switch valve, the 8th switch valve and the 19th switch valve are closed, its
Remaining switch valve is opened；When temperature value reaches the upper limit in heat storage water tank, the 3rd switch valve, the 4th switch valve, the 5th switch valve,
Six switch valves, the 8th switch valve and the 19th switch valve are closed, and rest switch valve is opened；
Under open loop mode two, the 5th switch valve, the 6th switch valve, the 7th switch valve, the 8th switch valve and the 19th are opened
Close valve to close, rest switch valve is opened；
Under open loop mode three, first switch valve, second switch valve, the 5th switch valve, the 6th switch valve, the 7th switch valve
Closed with the 19th switch valve, rest switch valve is opened；
Under open loop mode four, first switch valve, second switch valve, the 7th switch valve, the 9th switch valve and the 19th are opened
Close valve to close, rest switch valve is opened.
Further, switch valve module also includes being arranged on a side entrance of the second heat exchanger, primary side exit
Tenth switch valve and the 11st switch valve, are arranged on the secondary side entrance of the second heat exchanger, the 12nd of secondary side exit the open
Valve and the 13rd switch valve are closed, the 14th switch valve between second switch valve and the 11st switch valve is arranged on, the is arranged on
The 15th switch valve between 11 switch valves and the 19th switch valve, be arranged on the 12nd switch valve and the 13rd switch valve it
Between and the sixteenmo of secondary side for connecting the second heat exchanger closes valve, be arranged on the tenth switch valve and the 12nd switch valve it
Between be used for the primary side and secondary side of the second heat exchanger is formed the 17th switch valve of separate current return circuit, and
Eighteenmo for connecting outside water replanishing device and heat patching device closes valve, wherein,
In closed loop mode once：5th switch valve, the 6th switch valve, the 8th switch valve, the 15th switch valve, sixteenmo
Close valve and the 17th switch valve is closed, remaining valve is opened；When temperature value reaches the upper limit in heat storage water tank, the 3rd switch valve,
4th switch valve, the 5th switch valve, the 6th switch valve, the 8th switch valve, the 15th switch valve, sixteenmo close valve and the 17th
Switch valve is closed, and rest switch valve is opened；
Under closed loop mode two：5th switch valve, the 6th switch valve, the 7th switch valve, the 8th switch valve, the 15th switch
Valve, sixteenmo close valve and the 17th switch valve is closed, and remaining valve is opened；
Under closed loop mode three：First switch valve, second switch valve, the 5th switch valve, the 6th switch valve, the 7th switch
Valve, the 15th switch valve, sixteenmo close valve and the 17th switch valve is closed, and remaining valve is opened；
Under closed loop mode four：5th switch valve, the 6th switch valve, sixteenmo close valve and eighteenmo closes valve opening,
Rest switch valve is closed.
Further, First Heat Exchanger is that the heat-conducting medium in oil-water plate type heat exchanger, the solar thermal collector is to lead
Deep fat.
Further, heat patching device is connected close on the pipeline of the outlet of outer net.
Further, solar-heating device also include being used for the first sensor for detecting water temperature in First Heat Exchanger and
Second sensor for detecting the water temperature in heat storage water tank, and simultaneously with the first sensor, second sensor and control
The connected controller of valve module processed.
Further, solar thermal collector is set in parallel with First Heat Exchanger multiple.
Further, solar thermal collector is flat-plate solar collector and/or trough type solar heat-collector and/or vacuum
Tube solar heat-collecting device.
The solar-heating device of the present invention when in use, can according to the size of sun altitude, intensity of illumination it is strong and weak,
The situation such as rain or shine of solar weather carrys out the angle of adjust automatically solar thermal collector, switches the circulation heating pattern of itself, so that
Solar-heating device is set to be not only restricted to the ambient influnence in the external world and meet heat demand effectively in real time.With prior art
Compare, solar-heating device of the invention mainly possesses advantages below：
1) solar-heating device of the invention has plurality of operating modes, including open loop mode of operation and operation with closed ring mould
Formula, can flexibly switch different operational modes to adapt to different external environments, closed loop mode therein is conducive to as needed
The balance of water circulation and be conducive to that heat supply is adjusted in solar-heating device；
2) First Heat Exchanger in solar-heating device of the invention uses oil-water plate type heat exchanger, solar energy heating
Device uses conduction oil as heat carrier, so that can more, quickly be transmitted as the heat collected by solar thermal collector
To First Heat Exchanger, so as to drastically increase hot transformation of energy and transmission efficiency；
3) heat patching device is connected close on the pipeline of outer net by solar-heating device of the invention, realizes outer net needs
How many heat, heat patching device produces how many heat, so that in the absence of the phenomenon of energy waste；
4) solar thermal collector in solar-heating device of the invention can be set in parallel with First Heat Exchanger
It is multiple, so that the present apparatus can apply in the demand of large area central heating.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is general by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows the structural representation of the solar-heating device according to the present invention；
Fig. 2 is the fundamental diagram once run in open loop mode according to the solar-heating device of the present invention；
Fig. 3 is the fundamental diagram in two times operations of open loop mode according to solar-heating device of the invention；
Fig. 4 is the fundamental diagram in three times operations of open loop mode according to solar-heating device of the invention；
Fig. 5 is the fundamental diagram in four times operations of open loop mode according to solar-heating device of the invention；
Fig. 6 is the fundamental diagram once run in closed loop mode according to the solar-heating device of the present invention；
Fig. 7 is the fundamental diagram in two times operations of closed loop mode according to solar-heating device of the invention；
Fig. 8 is the fundamental diagram in three times operations of closed loop mode according to solar-heating device of the invention；
Fig. 9 is the fundamental diagram in four times operations of closed loop mode according to solar-heating device of the invention；
Figure 10 is the structural representation of solar-heating device of the prior art.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Fig. 1 shows the structural representation of the solar-heating device provided according to invention.As shown in figure 1, the device bag
Include：The solar thermal collector 100 being sequentially connected, First Heat Exchanger 200, heat storage water tank 300 and heat patching device 400, and entrance
It is connected between First Heat Exchanger 200 and heat storage water tank 300, exports and be connected between heat storage water tank 300 and heat patching device 400
Pipeline 600.Wherein, First Heat Exchanger 200 and heat patching device 400 are connected respectively the outlet of the entrance and outer net of outer net, from
And cause solar-heating device at least formed with open loop mode of operation so as to outer net heat supply, the open loop mode of operation includes：
Open loop mode one：Heat is needed when heat of the solar thermal collector in heat absorption state and collection is more than outer net
When, outer net backwater initially enters First Heat Exchanger 200, and with being passed through after the heat-conducting medium heat exchange in solar thermal collector 100 simultaneously
Heat storage water tank 300 and pipeline 600 are crossed with to outer net heat supply, when temperature value reaches the upper limit in heat storage water tank 300, outer net backwater warp
To outer net heat supply after First Heat Exchanger 200 and pipeline 600；
Open loop mode two：When the heat that solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, outer net backwater sequentially passes through First Heat Exchanger 200, heat storage water tank 300 with to outer net heat supply；
Open loop mode three：When the temperature that solar thermal collector is in empty calory absorbing state and heat storage water tank is more than outer net institute
When needing temperature, outer net backwater is directly through heat storage water tank 300 to outer net heat supply；
Open loop mode four：When solar thermal collector is in the temperature of empty calory absorbing state and heat storage water tank 300 less than outer
Needed for net during temperature, outer net backwater is after heat storage water tank 300, heat patching device 400 to outer net heat supply.
The solar-heating device of the present invention when in use, can according to the strong and weak of extraneous intensity of illumination, weather rain or shine etc.
Situation is come the circulation heating pattern of itself that automatically switches, so that solar-heating device can be not only restricted to the environment shadow in the external world
Ring and meet heat demand effectively in real time.
It is preferably carried out at one in mode, solar-heating device also includes being connected in parallel on connection heat storage water tank 300 with mending
The second heat exchanger 500 on pipeline between thermal 400, the second heat exchanger 500 is filled with First Heat Exchanger 200 and concurrent heating simultaneously
Put 400 to be connected, so that solar-heating device is also formed with operation with closed ring pattern, the operation with closed ring pattern includes：
Closed loop mode one：Heat is needed when heat of the solar thermal collector in heat absorption state and collection is more than outer net
When, the primary side backwater of the second heat exchanger 500 initially enters First Heat Exchanger 200, and after being exchanged heat with solar thermal collector 100 according to
The secondary primary side that the second heat exchanger 500 is back to after heat storage water tank 300 and pipeline 600, when temperature value in heat storage water tank 300
When reaching the upper limit, the primary side backwater of the second heat exchanger 500 is back to the second heat exchanger after First Heat Exchanger 200, pipeline 600
500 primary side；And the secondary side backwater of the second heat exchanger 500 is directly supplied outer net after the secondary side of the second heat exchanger 500
Heat；
Closed loop mode two：When the heat that solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, the primary side backwater of the second heat exchanger 500 is back to the second heat exchanger through First Heat Exchanger 200, heat storage water tank 300 successively
500 primary side；And the secondary side backwater of the second heat exchanger 500 is directly supplied outer net after the secondary side of the second heat exchanger 500
Heat；
Closed loop mode three：When the temperature that solar thermal collector 100 is in empty calory absorbing state and heat storage water tank 300 is more than
Needed for outer net during temperature, the primary side backwater of the second heat exchanger 500 is directly back to the second heat exchanger after heat storage water tank 300
500 primary side；And the secondary side backwater of the second heat exchanger 500 is directly supplied outer net after the secondary side of the second heat exchanger 500
Heat；
Closed loop mode four：When solar thermal collector is in the temperature of empty calory absorbing state and heat storage water tank 300 less than outer
Needed for net during temperature, outer net backwater or moisturizing are directly to outer net heat supply after heat patching device 400.
The closed loop mode of the present invention is conducive in solar-heating device the balance of water circulation and is conducive to entering heat supply
Row regulation.
Below by the specific attachment structure of the specific solar-heating device for introducing the present invention, under different operational modes
Operation principle and effect.
First, attachment structure
According to the present invention, as shown in figure 1, the outlet of solar thermal collector and a side entrance phase of First Heat Exchanger 200
Even, a side outlet of First Heat Exchanger 200 is connected with the entrance of solar thermal collector 100, the secondary side of First Heat Exchanger 200
Outlet is connected with the entrance of heat storage water tank 300, the entrance of pipeline 600 simultaneously, the outlet of heat storage water tank 300 and meanwhile with pipeline 600
Outlet, a side entrance of the second heat exchanger 500, the entrance of the secondary side entrance of the second heat exchanger 500 and heat patching device 400
It is connected, a side outlet of the second heat exchanger 500 secondary side entrance simultaneously with First Heat Exchanger 200 and the entrance phase of outer net
Even, the secondary side outlet of the second heat exchanger 500 is connected with the entrance of heat patching device 400, the outlet of heat patching device 400 and outer net
Outlet is connected.
Correspondingly, as shown in figure 1, solar-heating device also includes switch valve module, switch valve module includes being arranged on
The secondary side outlet of First Heat Exchanger 200, the first switch valve 1 of secondary side porch and second switch valve 2, are arranged on water storage
At the 3rd switch valve 3 and the 4th switch valve 4 at the entrance and exit of case 300, the entrance and exit for being arranged on heat patching device 400
The 5th switch valve 5 and the 6th switch valve 6, be arranged on the 7th switch valve 7 on pipeline 600, be arranged on first switch valve 1 and
The 8th switch valve 8 of First Heat Exchanger 200 is accessed between two switch valves 2 and for selectivity, the 5th switch valve 5 and the is arranged on
The 9th switch valve 9 of heat patching device is accessed between six switch valves 6 and for selectivity, and is arranged on outlet and the entrance of outer net
Between the 19th switch valve 19.
In addition, as shown in figure 1, switch valve module also includes side entrance, a primary side for being arranged on the second heat exchanger 500
Tenth switch valve 10 in exit and the 11st switch valve 11, are arranged on the secondary side entrance of the second heat exchanger 500, secondary side and go out
The 12nd switch valve 12 and the 13rd switch valve 13 at mouthful, are arranged between the switch valve 11 of second switch valve 2 and the 11st
14th switch valve 14, is arranged on the 15th switch valve 15 between the 11st switch valve 11 and the 19th switch valve 19, sets
The sixteenmo of secondary side between the 12nd switch valve 12 and the 13rd switch valve 13 and for connecting the second heat exchanger 500
Close valve 16, be arranged between the tenth switch valve 10 and the 12nd switch valve 12 be used for make the second heat exchanger 500 primary side and
Secondary side forms the 17th switch valve 17 of separate current return circuit, and for connecting outside water replanishing device 700 and benefit
The eighteenmo of thermal 400 closes valve 18.
2nd, operation principle and effect
With reference to shown in Fig. 1 and Fig. 2, solar thermal collector 100 is in heat absorption state and collection in open loop mode once
Heat be more than outer net and need heat, that is to say, that now illumination is more sufficient, by the 5th switch valve 5, the 6th switch valve 6, the
Eight switch valves 8 and the 19th switch valve 19 are closed, and rest switch valve is opened.Now, solar thermal collector 100 collect heat energy compared with
Many, the pattern makes outer net backwater be supplied simultaneously through heat storage water tank 300 and pipeline 600 for outer net from after First Heat Exchanger 200
Heat, so as to which these heat energy more rapidly, more fully are supplied into outer net, this just drastically increases heating efficiency.
When temperature value reaches the upper limit in heat storage water tank 300, by the 3rd switch valve 3, the 4th switch valve 4, the 5th switch valve
5th, the 6th switch valve 6, the 8th switch valve 8 and the 19th switch valve 19 are closed, and rest switch valve is opened.Now due to heat storage water tank
Temperature reaches higher limit in 300, in order to protect the safe handling of heat storage water tank 300, therefore control outer net backwater is changed through first
Hot device 200 exchanged heat after directly through pipeline 600 to outer net heat supply.
With reference to shown in Fig. 1 and Fig. 3, under open loop mode two, when the device of solar energy heating 100 is in heat absorption state and receipts
When the heat of collection is less than outer net institute calorific requirement, that is to say, that intensity of illumination now dies down compared with open loop mode one, by the 5th switch
Valve 5, the 6th switch valve 6, the 7th switch valve 7, the 8th switch valve 8 and the 19th switch valve 19 are closed, and rest switch valve is opened.This
When, because the temperature for the outer net backwater for continuing on through pipeline 600 after being exchanged heat through First Heat Exchanger 200 has been unsatisfactory for the required temperature of outer net
Degree, therefore pipeline 600 is disconnected, and makes outer net backwater direct by 300 pairs of heat storage water tank after being exchanged heat through First Heat Exchanger 200
Outer net heat supply.
With reference to shown in Fig. 1 and Fig. 4, under open loop mode three, solar thermal collector is in empty calory absorbing state and heat accumulation
The temperature of water tank is more than temperature needed for outer net, first switch valve 1, second switch valve 2, the 5th switch valve 5, the 6th switch valve 6, the
Seven switch valves 7 and the 19th switch valve 19 are closed, and rest switch valve is opened.Now due to the empty calory of solar thermal collector 100
Absorb, it can not be carried out heat exchange with First Heat Exchanger 200, therefore outer net backwater only passes through heat storage water tank in this mode
300 pairs of outer net heat supplies.
With reference to shown in Fig. 1 and Fig. 5, under open loop mode four, solar thermal collector is in empty calory absorbing state and heat accumulation
The temperature of water tank 300 is less than temperature needed for outer net, and first switch valve 1, second switch valve 2, the 7th switch valve the 7, the 9th are switched
The switch valve 19 of valve 9 and the 19th is closed, and rest switch valve is opened.Now due to the temperature of the outer net backwater through heat storage water tank 300
The required temperature of outer net can not have been met, and outer net backwater has been heated accordingly, it would be desirable to connect heat patching device 400.
With reference to shown in Fig. 1 and Fig. 6, in closed loop mode once：Solar thermal collector 100 is in heat absorption state and collection
Heat be more than outer net and need heat, that is to say, that now illumination is more sufficient, by the 5th switch valve 5, the 6th switch valve 6, the
Eight switch valves 8, the 15th switch valve 15, sixteenmo, which close the switch valve 17 of valve 16 and the 17th, is closed, and remaining valve is opened.This
When, the heat energy that solar thermal collector 100 is collected is more, and the pattern makes the primary side backwater of the second heat exchanger 500 pass through first
The primary side of the second heat exchanger 500 is back to after heat exchanger 200 through heat storage water tank 300 and pipeline 600 simultaneously, so as to faster
Speed, more fully by these heat energy supply two grades of nets, this just drastically increases heating efficiency.And the two of the second heat exchanger 500
Secondary side backwater can be directly to outer net heat supply after the secondary side of the second heat exchanger 500.
When temperature value reaches the upper limit in heat storage water tank 300, by the 3rd switch valve 3, the 4th switch valve 4, the 5th switch valve
5th, the 6th switch valve 6, the 8th switch valve 8, the 15th switch valve 15, sixteenmo close the switch valve 17 of valve 16 and the 17th and closed,
Rest switch valve is opened.Now because temperature is up to higher limit in heat storage water tank 300, in order to protect the safety of heat storage water tank 300
Use, therefore the primary side backwater of the second heat exchanger 200 of control is direct through pipeline after being exchanged heat through First Heat Exchanger 200
600 are back to the primary side of the second heat exchanger 200, to be heated to two grades of nets；And the secondary side backwater of the second heat exchanger 500
Can be directly to outer net heat supply after the secondary side of the second heat exchanger 500.
With reference to shown in Fig. 1 and Fig. 7, under closed loop mode two, solar thermal collector 100 is in heat absorption state and collection
Heat be less than outer net institute calorific requirement, that is to say, that intensity of illumination now dies down compared with closed loop mode one, by the 5th switch valve 5,
6th switch valve 6, the 7th switch valve 7, the 8th switch valve 8, the 15th switch valve 15, sixteenmo close valve 16 and the 17th and switched
Valve 17 is closed, and remaining valve is opened.Now, due to continuing on through the second heat exchanger of pipeline 600 after being exchanged heat through First Heat Exchanger 200
The temperature of 500 primary side backwater has been unsatisfactory for the required temperature of two grades of nets, therefore pipeline 600 is disconnected, and makes the second heat exchanger
500 primary side backwater exchanged heat through First Heat Exchanger 200 after directly by two grades of net heat supplies of heat storage water tank 300 pair, and the
The secondary side backwater of two heat exchangers 500 is after the secondary side of the second heat exchanger 500 directly to outer net heat supply.
With reference to shown in Fig. 1 and Fig. 8, under closed loop mode three, solar thermal collector is in empty calory absorbing state and heat accumulation
The temperature of water tank be more than temperature needed for outer net, by first switch valve 1, second switch valve 2, the 5th switch valve 5, the 6th switch valve 6,
7th switch valve 7, the 15th switch valve 15, sixteenmo, which close the switch valve 17 of valve 16 and the 17th, is closed, and remaining valve is opened.This
When due to solar thermal collector 100 empty calory absorb, make its can not with First Heat Exchanger 200 carry out heat exchange, therefore
The primary side backwater of the second heat exchanger 500 only passes through two grades of net heat supplies of heat storage water tank 300 pair under the pattern；And the second heat exchanger
500 secondary side backwater is after the secondary side of the second heat exchanger 500 directly to outer net heat supply.
With reference to shown in Fig. 1 and Fig. 9, under closed loop mode four, solar thermal collector is in empty calory absorbing state and heat accumulation
The temperature of water tank 300 is less than temperature needed for outer net, and the 5th switch valve 5, the 6th switch valve 6, sixteenmo are closed into valve 16 and the tenth
Eight switch valves 18 are opened, and rest switch valve is closed.Now because the primary side of the second heat exchanger 500 through heat storage water tank 300 is returned
The temperature of water can not meet the required temperature to two grades of nets and outer net, therefore, disconnect the second heat exchanger 500 and heat storage water tank
300 make outer net backwater or the moisturizing directly after heat patching device 400 to outer net heat supply.
It is preferably carried out at one in mode, First Heat Exchanger 200 is oil-water plate type heat exchanger, solar thermal collector 100
Using conduction oil as heat carrier, so that can more, quickly be passed to as the heat collected by solar thermal collector
First Heat Exchanger, so as to drastically increase hot transformation of energy and efficiency of transmission.It is further preferred that the second heat exchanger 500 is water-water
Plate type heat exchanger.
Preferably, solar thermal collector 100 could be arranged to multiple, i.e., the multiple sun in parallel with First Heat Exchanger 200
Energy heat collector 100 is in parallel with First Heat Exchanger 200, so that the solar-heating device of the present invention can apply to large area
In the demand of central heating.
It is further preferred that solar thermal collector 100 can select flat-plate solar collector or groove type solar thermal-arrest
Device or vacuum tube solar heating element, mixing selection can also be carried out according to specific needs.
It is preferably carried out at another in mode, heat patching device 400 is connected close on the pipeline of the outlet of outer net, so that
Realize outer net needs how many heat, heat patching device 400 produces how many heat, so that in the absence of the phenomenon of energy waste；
According to the present invention, solar-heating device also includes being used to detect that first of the water temperature in First Heat Exchanger 200 passes
Sensor and the second sensor for detecting the water temperature in heat storage water tank, and simultaneously with first sensor, second sensor and
The connected controller of control valve component.Preferably, corresponding temperature signal is passed to control by first sensor with second sensor
Device processed, controller judges the operational mode of solar-heating device according to the difference of temperature signal, so that further control is opened
The opening and closing of valve module is closed, so as to realize the automatic heat supply of solar-heating device.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. a kind of solar-heating device, it is characterised in that including：The solar thermal collector being sequentially connected, First Heat Exchanger, storage
Boiler and heat patching device, and entrance are connected between the First Heat Exchanger and the heat storage water tank, export and be connected to storage
Pipeline between boiler and heat patching device, wherein, the First Heat Exchanger and the heat patching device are connected respectively outer net
Entrance and outer net outlet so that the solar-heating device at least formed with open loop mode of operation to supply outer net
Heat, the open loop mode of operation includes：
Open loop mode one：When the heat that the solar thermal collector is in heat absorption state and collected is more than outer net institute calorific requirement
When, outer net backwater initially enters the First Heat Exchanger, and with after the heat-conducting medium heat exchange in the solar thermal collector simultaneously
By the heat storage water tank and the pipeline with to outer net heat supply, when temperature value reaches the upper limit in the heat storage water tank, outer net
Backwater is after the First Heat Exchanger and the pipeline to outer net heat supply；
Open loop mode two：When the heat that the solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, outer net backwater sequentially passes through First Heat Exchanger, heat storage water tank with to outer net heat supply；
Open loop mode three：When the solar thermal collector is in the temperature of empty calory absorbing state and the heat storage water tank more than outer
Needed for net during temperature, outer net backwater is directly through the heat storage water tank to outer net heat supply；
Open loop mode four：When the solar thermal collector is in the temperature of empty calory absorbing state and the heat storage water tank less than outer
Needed for net during temperature, outer net backwater is after the heat storage water tank, the heat patching device to outer net heat supply.
2. solar-heating device according to claim 1, it is characterised in that the solar-heating device is also included simultaneously
The second heat exchanger on the pipeline between the connection heat storage water tank and the heat patching device is associated in, second heat exchanger is simultaneously
It is connected with First Heat Exchanger and heat patching device, so that the solar-heating device is also formed with operation with closed ring pattern, institute
Stating operation with closed ring pattern includes：
Closed loop mode one：Heat is needed when heat of the solar thermal collector in heat absorption state and collection is more than outer net
When, the primary side backwater of the second heat exchanger initially enters the First Heat Exchanger, and with after solar thermal collector heat exchange according to
The secondary primary side that second heat exchanger is back to after the heat storage water tank and the pipeline, when the middle temperature of the heat storage water tank
When angle value reaches the upper limit, the primary side backwater of second heat exchanger is back to institute after the First Heat Exchanger, the pipeline
State the primary side of the second heat exchanger；And the secondary side backwater of the second heat exchanger is directly right after the secondary side of second heat exchanger
Outer net heat supply；
Closed loop mode two：When the heat that the solar thermal collector is in heat absorption state and collected is less than outer net institute calorific requirement
When, the primary side backwater of second heat exchanger is back to second heat exchange through the First Heat Exchanger, heat storage water tank successively
The primary side of device；And the secondary side backwater of the second heat exchanger is direct to outer net heat supply after the secondary side of second heat exchanger；
Closed loop mode three：When the solar thermal collector is in the temperature of empty calory absorbing state and the heat storage water tank more than outer
Needed for net during temperature, the primary side backwater of the second heat exchanger is directly back to second heat exchanger after the heat storage water tank
Primary side；And the secondary side backwater of the second heat exchanger is direct to outer net heat supply after the secondary side of second heat exchanger；
Closed loop mode four：When the solar thermal collector is in the temperature of empty calory absorbing state and the heat storage water tank less than outer
Needed for net during temperature, outer net backwater or moisturizing are directly to outer net heat supply after the heat patching device.
3. solar-heating device according to claim 2, it is characterised in that the outlet of the solar thermal collector and institute
A side entrance for stating First Heat Exchanger is connected, a side outlet of the First Heat Exchanger and entering for the solar thermal collector
Mouth is connected, and the secondary side outlet of the First Heat Exchanger is connected with the entrance of the heat storage water tank, the entrance of the pipeline simultaneously；
The outlet of the heat storage water tank is changed with the exporting of the pipeline, a side entrance of second heat exchanger, described second simultaneously
The secondary side entrance of hot device is connected with the entrance of the heat patching device；Side outlet of second heat exchanger is simultaneously with first
The secondary side entrance of heat exchanger is connected with the entrance of outer net, secondary side outlet and the heat patching device of second heat exchanger
Entrance is connected, and the outlet of the heat patching device is connected with the outlet of outer net.
4. solar-heating device according to claim 3, it is characterised in that the solar-heating device also includes opening
Close valve module, the switch valve module includes being arranged on the secondary side outlet of the First Heat Exchanger, the of secondary side porch
One switch valve and second switch valve, are arranged on the 3rd switch valve and the 4th switch at the entrance and exit of the heat storage water tank
Valve, is arranged on the 5th switch valve and the 6th switch valve at the entrance and exit of the heat patching device, is arranged on the pipeline
The 7th switch valve, be arranged between the first switch valve and second switch valve and for selectivity access it is described first heat exchange
8th switch valve of device, is arranged between the 5th switch valve and the 6th switch valve and accesses the concurrent heating dress for selectivity
The 9th switch valve put, and the 19th switch valve being arranged between the outlet of outer net and entrance, wherein,
In the open loop mode once, the 5th switch valve, the 6th switch valve, the 8th switch valve and the 19th switch valve are closed
Close, rest switch valve is opened；When temperature value reaches the upper limit in the heat storage water tank, the 3rd switch valve, the 4th switch valve,
5th switch valve, the 6th switch valve, the 8th switch valve and the 19th switch valve are closed, and rest switch valve is opened；
Under the open loop mode two, the 5th switch valve, the 6th switch valve, the 7th switch valve, the 8th switch valve and the tenth
Nine switch valves are closed, and rest switch valve is opened；
Under the open loop mode three, the first switch valve, second switch valve, the 5th switch valve, the 6th switch valve, the 7th open
Close valve and the 19th switch valve is closed, rest switch valve is opened；
Under the open loop mode four, the first switch valve, second switch valve, the 7th switch valve, the 9th switch valve and the tenth
Nine switch valves are closed, and rest switch valve is opened.
5. solar-heating device according to claim 4, it is characterised in that the switch valve module also includes being arranged on
Side entrance of second heat exchanger, the tenth switch valve and the 11st switch valve in primary side exit, are arranged on described
The secondary side entrance of second heat exchanger, the 12nd switch valve in secondary side exit and the 13rd switch valve, are arranged on described
The 14th switch valve between two switch valves and the 11st switch valve, is arranged on the 11st switch valve and the 19th switch valve
Between the 15th switch valve, be arranged between the 12nd switch valve and the 13rd switch valve and for connect it is described second heat exchange
The sixteenmo of the secondary side of device closes valve, is arranged on being used between the tenth switch valve and the 12nd switch valve and makes the second heat exchanger
Primary side and secondary side form the 17th switch valve of separate current return circuit, and for connecting outside water replanishing device
Valve is closed with the eighteenmo of the heat patching device, wherein,
In the closed loop mode once：5th switch valve, the 6th switch valve, the 8th switch valve, the 15th switch valve, the tenth
Six switch valves and the 17th switch valve are closed, and remaining valve is opened；It is described when temperature value reaches the upper limit in the heat storage water tank
3rd switch valve, the 4th switch valve, the 5th switch valve, the 6th switch valve, the 8th switch valve, the 15th switch valve, sixteenmo
Close valve and the 17th switch valve is closed, rest switch valve is opened；
Under the closed loop mode two：5th switch valve, the 6th switch valve, the 7th switch valve, the 8th switch valve, the 15th
Switch valve, sixteenmo close valve and the 17th switch valve is closed, and remaining valve is opened；
Under the closed loop mode three：The first switch valve, second switch valve, the 5th switch valve, the 6th switch valve, the 7th open
Close valve, the 15th switch valve, sixteenmo and close valve and the closing of the 17th switch valve, remaining valve is opened；
Under the closed loop mode four：5th switch valve, the 6th switch valve, sixteenmo close valve and eighteenmo pass valve is beaten
Open, rest switch valve is closed.
6. the solar-heating device according to claim 4 or 5, it is characterised in that the solar-heating device is also wrapped
Include first sensor for detecting the water temperature in the First Heat Exchanger and for detecting the water temperature in the heat storage water tank
Second sensor, and the controller being connected simultaneously with the first sensor, second sensor and control valve component.
7. solar-heating device according to any one of claim 1 to 5, it is characterised in that the First Heat Exchanger
For oil-water plate type heat exchanger, the heat-conducting medium in the solar thermal collector is conduction oil.
8. solar-heating device according to any one of claim 1 to 5, it is characterised in that the heat patching device connects
It is connected on the pipeline of the outlet of outer net.
9. solar-heating device according to any one of claim 1 to 5, it is characterised in that the solar energy heating
Device is set in parallel with the First Heat Exchanger multiple.
10. solar-heating device according to claim 9, it is characterised in that the solar thermal collector be flat board too
Positive energy heat collector and/or trough type solar heat-collector and/or vacuum tube solar heating element.
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| CN201710304964.9A CN107120711B (en) | 2017-05-03 | 2017-05-03 | Solar-heating device |
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|---|---|---|---|
| CN201710304964.9A CN107120711B (en) | 2017-05-03 | 2017-05-03 | Solar-heating device |
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