CN110207242A - Photovoltaic heating system based on cross-season heat-storage - Google Patents
Photovoltaic heating system based on cross-season heat-storage Download PDFInfo
- Publication number
- CN110207242A CN110207242A CN201910482743.XA CN201910482743A CN110207242A CN 110207242 A CN110207242 A CN 110207242A CN 201910482743 A CN201910482743 A CN 201910482743A CN 110207242 A CN110207242 A CN 110207242A
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- Prior art keywords
- heat
- heating
- cross
- heat exchange
- season
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/003—Central heating systems using heat accumulated in storage masses water heating system 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
- 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
- F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
The invention discloses the photovoltaic heating systems based on cross-season heat-storage, including photovoltaic and photothermal plate, short-term heat accumulation pond, plate heat exchanger, cross-season heat-storing pond and heating terminal equipment, first heat exchange coil is installed, the photovoltaic and photothermal plate is connect by thermal-arrest circulation line with the heat source side of the first heat exchange coil in the short-term heat accumulation pond；The heat source side of the plate heat exchanger is connect by the first heat exchanging pipe with the heat exchange side of the first heat exchange coil；Second heat exchange coil is installed in the cross-season heat-storing pond, the second heat exchanging pipe is installed between heat exchange side and the heat source side of the second heat exchange coil of the plate heat exchanger；The heat exchange side of second heat exchange coil is connect by pipeline with heating terminal equipment.Advantage is: the present invention gets off the energy stores of non-heating period utilization in heating period, utilizes natural resources according to the actual situation in actual use in heating period, reduces the use of storage resource, guarantee the abundance of storage resource.
Description
Technical field
The present invention relates to heating technology fields, more particularly to the photovoltaic heating system based on cross-season heat-storage.
Background technique
Since photovoltaic and photothermal plate all generates hot water throughout the year, the hot water amount that summer generates is most, and heat supply in winter needs
How the hot water storage in other seasons is got up and is of great significance for winter heating, using cross-season heat-storage by a large amount of hot water
Technology is to solve the problems, such as this necessary means.Due to the open ended limited variation of power grid, if amplitude too bulk power grid also can be by shadow
It rings, and photovoltaic generation power is influenced by solar energy fluctuation and is among constantly variation, so photovoltaic generating system may
It will appear abandoning electricity and phenomenon of rationing the power supply, cause electricity smoothly grid-connected, and waste.If unstable using these
Electric drive electric heating is abandoned, the thermal energy storage that electrotransformation is hot water will be abandoned and got up, then the effective use of the energy may be implemented.
For this purpose, it is proposed that being solved the above problems based on the photovoltaic heating system of cross-season heat-storage.
Summary of the invention
The purpose of the present invention is to solve the problems of the prior art, and the photovoltaic based on cross-season heat-storage proposed supplies
Heating system.
To achieve the goals above, present invention employs following technical solutions:
Photovoltaic heating system based on cross-season heat-storage, including photovoltaic and photothermal plate, short-term heat accumulation pond, plate heat exchanger,
Cross-season heat-storing pond and heating terminal equipment are equipped with the first heat exchange coil, the photovoltaic light in the short-term heat accumulation pond
Hot plate is connect by thermal-arrest circulation line with the heat source side of the first heat exchange coil；
The heat source side of the plate heat exchanger is connect by the first heat exchanging pipe with the heat exchange side of the first heat exchange coil；
Second heat exchange coil is installed, the heat exchange side of the plate heat exchanger is changed with second in the cross-season heat-storing pond
Second heat exchanging pipe is installed between the heat source side of hot coil；
The heat exchange side of second heat exchange coil is connect by pipeline with heating terminal equipment.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, the first water is installed on the thermal-arrest circulation line
Pump and the first control valve are equipped with the second water pump and the second control valve, second heat exchanging pipe on first heat exchanging pipe
On two-way pump group is installed.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, the heating terminal equipment is pacified by heating branch pipe
On the second heat exchanging pipe, one end of the two-way pump group is connect with the second heat exchange coil, the other end of the two-way pump group
It is connect by reversal valve with plate heat exchanger and heating terminal equipment.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, reheating dress is installed on the heating branch pipe
It sets, third water pump is installed, and third water pump is between second heating apparatus and heating terminal equipment on the heating branch pipe.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, the two-way pump group includes two groups and is arranged in parallel
One-way pump and check valve, and the setting of two check valves is contrary.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, be communicated on the short-term heat accumulation pond first into
Water pipe is equipped with the 4th water pump and the first hydrotreater on first water inlet pipe, is equipped in the short-term heat accumulation pond
One level sensor and the first temperature inductor.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, second is communicated on the cross-season heat-storing pond
Water inlet pipe is equipped with the 5th water pump and the second hydrotreater on second water inlet pipe, installs in the cross-season heat-storing pond
There are the second level sensor and second temperature inductor.
In the above-mentioned photovoltaic heating system based on cross-season heat-storage, the photovoltaic based on cross-season heat-storage, which heats, is
System further includes controller and signal receiving-transmitting device, and is electrically connected between controller and signal receiving-transmitting device, the first liquid level induction
Input of the output end with signal receiving-transmitting device of device, the first temperature inductor, the second level sensor and second temperature inductor
End electrical connection, first water pump, the second water pump, third water pump, one-way pump, the 4th water pump, the 5th water pump, the first control valve,
Second control valve, check valve, reversal valve and second heating apparatus input terminal be electrically connected with the output end of signal receiving-transmitting device.
Compared with prior art, the invention has the benefit that
1, by the first water inlet pipe, the second water inlet pipe, the 4th water pump and the 5th water pump degree respectively to short-term heat accumulation pond and
Cross-season heat-storing pond inner storing water, the first hydrotreater and the second hydrotreater carry out dirty removing processing to water during water storage,
The dirt in water removal is removed, the service life of each equipment in whole system is increased；The first liquid level sense when reaching set water level line
It answers device and the second level sensor that can deliver a signal to controller, and then is stopped by controller the 4th water pump of closing and the 5th water pump
Only water storage realizes the automation of system.
2, in non-heating period, so that the connection closed between heating terminal equipment and the second heat exchanging pipe, while it is open-minded
Connection between plate heat exchanger and the second heat exchanging pipe, photovoltaic and photothermal plate by the first heat exchange coil, plate heat exchanger and
Heat is stored in short-term heat accumulation tree pond and cross-season heat-storing pond by the second heat exchange coil simultaneously, realizes the storage of heat.
3, in heating period, two kinds of heating paths are provided according to external environment, guarantee to be under what circumstances heating
End-equipment heating guarantees the heating demands of user, while the setting of the first temperature inductor and second temperature inductor guarantees
Hot water is heated again using secondary heating installation in the insufficient situation of heating temperature, so that heating temperature meets user
Demand.
In conclusion the present invention gets off the energy stores of non-heating period utilization in heating period, in the reality of heating period
Natural resources are utilized when use according to the actual situation, reduce the use of storage resource, guarantee the abundance of storage resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the photovoltaic heating system proposed by the present invention based on cross-season heat-storage；
Fig. 2 is the structure of the non-heating period heat storage state of the photovoltaic heating system proposed by the present invention based on cross-season heat-storage
Schematic diagram；
Fig. 3 is the heating period fair weather heating state of the photovoltaic heating system proposed by the present invention based on cross-season heat-storage
Structural schematic diagram；
Fig. 4 is the more severe shape of heating period external environment of the photovoltaic heating system proposed by the present invention based on cross-season heat-storage
The structural schematic diagram of state；
Fig. 5 is the photovoltaic heating system control module schematic illustration proposed by the present invention based on cross-season heat-storage.
In figure: 1 photovoltaic and photothermal plate, 2 first water pumps, 3 first control valves, 4 short-term heat accumulation ponds, 5 first temperature inductors,
6 plate heat exchangers, 7 second control valves, 8 second water pumps, 9 first level sensors, 10 first heat exchange coils, 11 collection heat circulation pipes
Road, 12 the 4th water pumps, 13 first hydrotreaters, 14 heating branch pipes, 15 second heat exchanging pipes, 16 reversal valves, 17 two-way pump groups, 18
Check valve, 19 one-way pumps, 20 second heating apparatus, 21 second heat exchange coils, 22 cross-season heat-storing ponds, the induction of 23 second liquid levels
Device, 24 second temperature inductors, 25 second hydrotreaters, 26 the 5th water pumps, 27 third water pumps, 28 heating terminal equipments.
Specific embodiment
Following embodiment only exists in illustrative purpose, limits the scope of the invention without being intended to.
Embodiment
Referring to Fig.1-5, the photovoltaic heating system based on cross-season heat-storage, including photovoltaic and photothermal plate 1, short-term heat accumulation pond 4,
Plate heat exchanger 6, cross-season heat-storing pond 22 and heating terminal equipment 28 are communicated with the first water inlet pipe on short-term heat accumulation pond 4,
4th water pump 12 and the first hydrotreater 13 are installed on first water inlet pipe, the first liquid level sense is installed in short-term heat accumulation pond 4
Device 9 and the first temperature inductor 5 are answered, the first heat exchange coil 10 is installed in short-term heat accumulation pond 4.
Photovoltaic and photothermal plate 1 is connect by thermal-arrest circulation line 11 with the heat source side of the first heat exchange coil 10, and heat circulation pipe is collected
First water pump 2 and the first control valve 3 are installed on road 11, the second water pump 8 and the second control valve are installed on the first heat exchanging pipe
7, two-way pump group 17 is installed, two-way pump group 17 includes two groups of one-way pumps 19 being arranged in parallel and unidirectional on second heat exchanging pipe 15
Valve 18, and two check valves 18 be arranged it is contrary.
The heat source side of plate heat exchanger 6 is connect by the first heat exchanging pipe with the heat exchange side of the first heat exchange coil 10.
It is communicated with the second water inlet pipe on cross-season heat-storing pond 22, the 5th water pump 26 and second is installed on second water inlet pipe
Hydrotreater 25 is equipped with the second level sensor 23 and second temperature inductor 24 in cross-season heat-storing pond 22, across season
Second heat exchange coil 21, the heat source side of the heat exchange side and the second heat exchange coil 21 of plate heat exchanger 6 are installed in heat accumulation pond 22
Between the second heat exchanging pipe 15 is installed.
The heat exchange side of second heat exchange coil 21 is connect by pipeline with heating terminal equipment 28, and heating terminal equipment 28 passes through
Heating branch pipe 14 is mounted on the second heat exchanging pipe 15, and one end of two-way pump group 17 is connect with the second heat exchange coil 21, two-way pump
The other end of group 17 is connect by reversal valve 16 with plate heat exchanger 6 and heating terminal equipment 28, is installed on heating branch pipe 14
There is second heating apparatus 20, third water pump 27 is installed, and third water pump 27 is located at second heating apparatus 20 on heating branch pipe 14
Between heating terminal equipment 28.
Photovoltaic heating system based on cross-season heat-storage further includes controller and signal receiving-transmitting device, and controller and signal connect
It is electrically connected between hair device, the first level sensor 9, the first temperature inductor 5, the second level sensor 23 and second temperature sense
The output end of device 24 is answered to be electrically connected with the input terminal of signal receiving-transmitting device, the first water pump 2, the second water pump 8, third water pump 27, list
To the 19, the 4th water pump 12 of pump, the 5th water pump 26, the first control valve 3, the second control valve 7, check valve 18, reversal valve 16 and secondary
The input terminal of heating device 20 is electrically connected with the output end of signal receiving-transmitting device.
The 4th water pump 12 and the 5th water pump 26 are opened by controller first, the external world is passed through the first water inlet pipe and the with water
Two water inlet pipes import in short-term heat accumulation pond 4 and cross-season heat-storing pond 22, enter short-term heat accumulation pond 4 in water flow or across season
When in heat accumulation pond 22, until the first level sensor 9 and the second level sensor 23, which sense, reaches set water level line, then pass
Delivery signal closes the 4th water pump 12 and the 5th water pump 26, the first hydrotreater 13 by signal receiving-transmitting device to controller, controller
Or second hydrotreater 25 water flow is handled, go water removal in dirt, increase whole system in each equipment use the longevity
Life.
In non-heating period, opened in reversal valve 16 and two-way pump group 17 by controller and signal receiving-transmitting device from board-like
Check valve 18 and one-way pump 19 on heat exchanger 6 to 22 direction of cross-season heat-storing pond, so that heating terminal equipment 28 and second
Connection closed between heat exchanging pipe 15, while opening connection (such as Fig. 2 between plate heat exchanger 6 and the second heat exchanging pipe 15
It is shown), photovoltaic and photothermal plate 1, short-term heat accumulation pond 4 and the first heat exchange coil 10, plate heat exchanger 6, cross-season heat-storing water at this time
Pond 22 and the series connection of the second heat exchange coil 21, photovoltaic and photothermal plate 1 are changed by the first heat exchange coil 10, plate heat exchanger 6 and second
Heat is stored in short-term heat accumulation tree pond 4 and cross-season heat-storing pond 22 by hot coil 21 simultaneously.
At the sunny daytime of heating period, reversal valve 16 and two-way pump group 17 are opened by controller and signal receiving-transmitting device
Interior check valve 18 and one-way pump 19 on from plate heat exchanger 6 to 22 direction of cross-season heat-storing pond, cutting plate heat exchanger 6 with
Connection between second heat exchanging pipe 15, while opening the connection between heating terminal equipment 28 and the second heat exchanging pipe 15 (such as
Shown in Fig. 3), stop the heat storage in cross-season heat-storing pond 22 at this time, photovoltaic and photothermal plate 1 passes through the first heat exchange coil 10, short
Phase heat accumulation pond 4, plate heat exchanger 6 are the heating of heating terminal equipment 28, in the process, if the first temperature inductor 5 is felt
Lower than limit value, then deficiency thinks that heating terminal equipment 28 heats to the temperature answered, and opens second heating apparatus by controller at this time
Hot water in 20 pairs of heating branch pipes 14 is heated again, guarantees that the temperature to heat to heating terminal equipment 28 meets user's need
It asks.
At the temperature of heating period lower night or rainy weather, commutation is opened by controller and signal receiving-transmitting device
Check valve 18 and one-way pump in valve 16 and two-way pump group 17 on from cross-season heat-storing pond 22 to 6 direction of plate heat exchanger
19, cut off the connection between the second heat exchanging pipe 15 and plate heat exchanger 6, open heating branch pipe 14 and the second heat exchanging pipe 15 it
Between connection (as shown in Figure 4), cross-season heat-storing pond 22 is by the second heat exchanging pipe 15 and heating branch pipe 14 to heating at this time
End-equipment 28 heats, and in the process, thinks if the temperature that second temperature inductor 23 is incuded lower than deficiency if limit value
Heating terminal equipment 28 heats, and opens second heating apparatus 20 by controller at this time and carries out again to the hot water in heating branch pipe 14
Secondary heating guarantees that the temperature to heat to heating terminal equipment 28 meets user demand.
Although be used more herein photovoltaic and photothermal plate 1, the first water pump 2, the first control valve 3, short-term heat accumulation pond 4,
First temperature inductor 5, plate heat exchanger 6, the second control valve 7, the second water pump 8, the first level sensor 9, the first heat exchange plate
Pipe 10, thermal-arrest circulation line 11, the 4th water pump 12, the first hydrotreater 13, heating branch pipe 14, the second heat exchanging pipe 15, commutation
Valve 16, two-way pump group 17, check valve 18, one-way pump 19, second heating apparatus 20, the second heat exchange coil 21, cross-season heat-storing water
Pond 22, the second level sensor 23, second temperature inductor 24, the second hydrotreater 25, the 5th water pump 26, third water pump 27,
The terms such as heating terminal equipment 28, but it does not exclude the possibility of using other terms.The use of these items is only for more
Easily describe and explain essence of the invention；Being construed as any additional limitation all is and spirit of that invention phase
It violates.
Claims (5)
1. the photovoltaic heating system based on cross-season heat-storage, including photovoltaic and photothermal plate (1), short-term heat accumulation pond (4), plate-type heat-exchange
Device (6), cross-season heat-storing pond (22) and heating terminal equipment (28), it is characterised in that: peace in the short-term heat accumulation pond (4)
Equipped with the first heat exchange coil (10), the photovoltaic and photothermal plate (1) passes through thermal-arrest circulation line (11) and the first heat exchange coil (10)
Heat source side connection；The heat source side of the plate heat exchanger (6) is changed by the first heat exchanging pipe and the first heat exchange coil (10)
Hot side connection；The second heat exchange coil (21) are installed in the cross-season heat-storing pond (22), plate heat exchanger (6) are changed
Second heat exchanging pipe (15) are installed between hot side and the heat source side of the second heat exchange coil (21)；Second heat exchange coil (21)
Heat exchange side connect with heating terminal equipment (28) by pipeline.
2. the photovoltaic heating system according to claim 1 based on cross-season heat-storage, it is characterised in that: the collection thermal cycle
First water pump (2) and the first control valve (3) are installed on pipeline (11), the second water pump is installed on first heat exchanging pipe
(8) and the second control valve (7) two-way pump group (17), are installed on second heat exchanging pipe (15).
3. the photovoltaic heating system according to claim 2 based on cross-season heat-storage, it is characterised in that: the heating terminal
Equipment (28) is mounted on the second heat exchanging pipe (15) by heating branch pipe (14), one end and second of the two-way pump group (17)
Heat exchange coil (21) connection, the other end of the two-way pump group (17) is by reversal valve (16) and plate heat exchanger (6) and adopts
Warm end-equipment (28) connection.
4. the photovoltaic heating system according to claim 3 based on cross-season heat-storage, it is characterised in that: the heating branch pipe
(14) it is equipped with second heating apparatus (20), is equipped with third water pump (27) on the heating branch pipe (14), and third water pump on
(27) between second heating apparatus (20) and heating terminal equipment (28).
5. the photovoltaic heating system according to claim 2 based on cross-season heat-storage, it is characterised in that: the two-way pump group
It (17) include two groups of one-way pumps being arranged in parallel (19) and check valve (18), and two check valves (18) settings is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482743.XA CN110207242A (en) | 2019-06-04 | 2019-06-04 | Photovoltaic heating system based on cross-season heat-storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482743.XA CN110207242A (en) | 2019-06-04 | 2019-06-04 | Photovoltaic heating system based on cross-season heat-storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207242A true CN110207242A (en) | 2019-09-06 |
Family
ID=67790823
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910482743.XA Pending CN110207242A (en) | 2019-06-04 | 2019-06-04 | Photovoltaic heating system based on cross-season heat-storage |
Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130085696A (en) * | 2012-01-20 | 2013-07-30 | 한국에너지기술연구원 | Solar thermal and geothermal heat pump hybrid system with underground solar heat storage device |
| CN107166499A (en) * | 2017-06-22 | 2017-09-15 | 日出东方太阳能股份有限公司 | A kind of cross-season heat-storing heating system and its heating method |
| CN108050576A (en) * | 2018-01-03 | 2018-05-18 | 大连理工大学 | A kind of solar energy heating system combined across season with short-term heat accumulation and its control method |
-
2019
- 2019-06-04 CN CN201910482743.XA patent/CN110207242A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130085696A (en) * | 2012-01-20 | 2013-07-30 | 한국에너지기술연구원 | Solar thermal and geothermal heat pump hybrid system with underground solar heat storage device |
| CN107166499A (en) * | 2017-06-22 | 2017-09-15 | 日出东方太阳能股份有限公司 | A kind of cross-season heat-storing heating system and its heating method |
| CN108050576A (en) * | 2018-01-03 | 2018-05-18 | 大连理工大学 | A kind of solar energy heating system combined across season with short-term heat accumulation and its control method |
Non-Patent Citations (2)
| Title |
|---|
| 王晓璐等: "《暖通空调技术》", 30 September 2016, 中国建材工业出版社 * |
| 郑洁等: "《智能建筑概论（第3版）》", 31 January 2016, 重庆大学出版社 * |
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