CN204100356U - Solar heat pump and gas fired-boiler combined heating system - Google Patents
Solar heat pump and gas fired-boiler combined heating system Download PDFInfo
- Publication number
- CN204100356U CN204100356U CN201420467041.7U CN201420467041U CN204100356U CN 204100356 U CN204100356 U CN 204100356U CN 201420467041 U CN201420467041 U CN 201420467041U CN 204100356 U CN204100356 U CN 204100356U
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- Prior art keywords
- gas fired
- heat pump
- boiler
- heat exchanger
- solar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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]
- Y02B30/12—Hot water central heating systems using heat pumps
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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
- 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 utility model discloses a kind of solar heat pump and gas fired-boiler combined heating system, comprise: solar energy heating unit, heat pump main computer unit, water circulation unit and control unit, described solar energy heating unit is connected with heat pump main computer unit respectively with water circulation unit, described control unit is connected with heat pump main computer unit and water circulation unit respectively, by the way, the utility model solar heat pump and gas fired-boiler combined heating system can ensure when solar irradiation intensity is enough, solar energy is indoor heating as the low-temperature heat source of heat pump, when solar irradiation intensity deficiency, gas fired-boiler startup work is indoor heating, guarantee the continuity of indoor heating.
Description
Technical field
The utility model relates to solar heat pump heating technology field, particularly relates to a kind of solar heat pump and gas fired-boiler combined heating system.
Background technology
Solar heat pump is enough in solar irradiation intensity because of it, Energy Efficiency Ratio is high, energy-saving effect is obvious, receive the concern of a lot of scholar and engineers and technicians, but due to, poor continuity large by weather effect, overcast and rainy and the night that temperature is lower in the winter time cannot normally be run, and thus limits the use of solar energy in heating.
Given this, be necessary to provide a kind of solar heat pump and gas fired-boiler combined heating system, the auxiliary utilization of gas fired-boiler can overcome the defect of solar heat pump by environmental influence, and safeguards system every day can be indoor heating continuously.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of solar heat pump and gas fired-boiler combined heating system, can ensure when solar irradiation intensity is enough, solar energy is indoor heating as the low-temperature heat source of heat pump, when solar irradiation intensity deficiency, gas fired-boiler startup work is indoor heating, guarantees the continuity of indoor heating.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of solar heat pump and gas fired-boiler combined heating system, comprise: solar energy heating unit, heat pump main computer unit, water circulation unit and control unit, described solar energy heating unit is connected with heat pump main computer unit respectively with water circulation unit, described control unit is connected with heat pump main computer unit and water circulation unit respectively
Described heat pump main computer unit comprises: compressor, electric expansion valve and plate type heat exchanger, the suction end of described compressor is connected with the port of export of the evaporating heat exchanger of solar energy heating unit, the exhaust end of described compressor is connected with the fluorine pipe of described plate type heat exchanger, the fluorine pipe other end of plate type heat exchanger is connected with one end of described electric expansion valve, the other end of electric expansion valve is connected with the evaporative heat exchanger inlet of described solar energy heating unit
Described water circulation unit comprises: gas fired-boiler, water pump and indoor heating end, the delivery port of described water pump and water pipe one end of described plate type heat exchanger, the water pipe other end of described plate type heat exchanger is connected with the water inlet of described gas fired-boiler, the delivery port of described gas fired-boiler is connected with described indoor heating end, and the other end of described indoor heating end is connected with the water inlet of described water pump.
In the utility model preferred embodiment, described solar energy heating unit comprises: evaporating heat exchanger, heat absorbing fins, transparent cover plate, insulation frame and insulation backboard, evaporating heat exchanger and heat absorbing fins connect into an entirety, connected by welding or expanded joint mode between evaporating heat exchanger and heat absorbing fins, a whole plate is interconnected between multiple heat absorbing fins, the top of heat absorbing fins is provided with transparent cover plate, and surrounding is provided with insulation frame, and back is provided with insulation backboard.
In the utility model preferred embodiment, described control unit comprises: controller, the first temperature signal probe and the second temperature signal probe, described first temperature signal probe is placed in described solar energy heating evaporimeter, described second temperature signal probe is placed in the delivery port of described gas fired-boiler, and controller is connected with compressor, water pump and gas fired-boiler respectively by wire.
In the utility model preferred embodiment, described indoor heating end can adopt fan coil, radiator or flooring radiation heating system, and indoor heating end can parallel multiplex.
The beneficial effects of the utility model are: the utility model solar heat pump and gas fired-boiler combined heating system can ensure when solar irradiation intensity is enough, solar energy is indoor heating as the low-temperature heat source of heat pump, when solar irradiation intensity deficiency, gas fired-boiler startup work is indoor heating, guarantees the continuity of indoor heating.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of solar heat pump of the present utility model and gas fired-boiler combined heating system one preferred embodiment;
Fig. 2 is that the A-A of solar energy heating evaporimeter in Fig. 1 is to structural representation;
In accompanying drawing, the mark of each parts is as follows: 1, solar energy heating evaporimeter, and 101, evaporating heat exchanger, 102, heat absorbing fins, 103, transparent cover plate, 104, insulation frame, 105, insulation backboard, 2, controller, the 21, first temperature signal probe, the 22, second temperature signal probe, 3, compressor, 4, electric expansion valve, 5, plate type heat exchanger, 6, gas fired-boiler, 7, water pump, 8, indoor heating end, 9, room.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 2, the utility model embodiment comprises:
A kind of solar heat pump and gas fired-boiler combined heating system, comprise solar energy heating unit, heat pump main computer unit, water circulation unit and control unit, described solar energy heating unit is connected with heat pump main computer unit respectively with water circulation unit.
Described solar energy heating unit comprises: evaporating heat exchanger 101, heat absorbing fins 102, transparent cover plate 103, insulation frame 104 and insulation backboard 105, evaporating heat exchanger 101 and heat absorbing fins 102 connect into an entirety, connected by welding or expanded joint mode between evaporating heat exchanger 101 and heat absorbing fins 102, a whole plate is interconnected between multiple heat absorbing fins 102, the top of heat absorbing fins 102 is provided with transparent cover plate 103, surrounding is provided with insulation frame 104, and back is provided with insulation backboard 105.
Described heat pump main computer unit comprises: compressor 3, electric expansion valve 4 and plate type heat exchanger 5, the suction end of described compressor 3 is connected with the port of export of the evaporating heat exchanger 101 of solar energy heating unit, the exhaust end of described compressor 3 is connected with the fluorine pipe of described plate type heat exchanger 5, the fluorine pipe other end of plate type heat exchanger 5 is connected with one end of described electric expansion valve 4, and the other end of electric expansion valve 4 is connected with evaporating heat exchanger 101 entrance of described solar energy heating unit.
Described water circulation unit comprises: gas fired-boiler 6, water pump 7 and indoor heating end 8, the delivery port of described water pump 7 and water pipe one end of described plate type heat exchanger 5, the water pipe other end of described plate type heat exchanger 5 is connected with the water inlet of described gas fired-boiler 6, the delivery port of described gas fired-boiler 6 is connected with described indoor heating end 8, the other end of described indoor heating end 8 is connected with the water inlet of described water pump 7, described indoor heating end 8 can adopt fan coil, radiator or flooring radiation heating system, and can parallel multiplex.
Described control unit comprises: controller 2, first temperature signal probe 21 and the second temperature signal probe 22, described first temperature signal probe 21 is placed in described solar energy heating evaporimeter 1, for measuring the temperature of collector plate core, described second temperature signal probe 22 is placed in the delivery port of described gas fired-boiler 6, for measuring the supply water temperature of indoor heating terminal, controller 2 is connected with compressor 3, water pump 4 and gas fired-boiler 6 respectively by wire.
Heat pump main computer unit links together solar energy heating unit and water circulation unit and forms solar heat pump and gas fired-boiler combined heating system.
The control procedure of described solar heat pump and gas fired-boiler combined heating system is:
Controller 2 according to first temperature signal probe 21 and second temperature signal probe 22 temperature signal, be specifically divided into the heating operation pattern that two kinds are different: solar heat pump heating operation pattern and Gas Boiler Heating operational mode;
Wherein establish T
bfor the plate core temperature of solar energy heating evaporimeter, T
bdfor default lowermost panel core temperature is, T
nfor indoor heating end supply water temperature, T
ndfor presetting minimum indoor heating end supply water temperature;
A, solar heat pump heating operation pattern:
Work as T
b>=T
bdtime, the the first temperature signal probe 21 be placed in solar energy heating evaporimeter 1 is transferred to controller by holding wire temperature signal with the second temperature signal probe 22 of the water outlet being placed on gas fired-boiler 6, send following control instruction by wire after controller 2 pairs of temperature signals carry out logic analysis: open compressor 3 and water pump 7, close gas fired-boiler 6;
Specific works process is: working medium becomes gaseous state absorb solar heat in solar energy heating evaporimeter 1 after, gaseous working medium becomes the overheated gaseous working medium of HTHP after entering compressor 3, the overheated gaseous working medium of HTHP enters plate type heat exchanger 5 and is condensed into liquid refrigerant, condensation heat is all for the recirculated water in heated water re-circulation's unit, recirculated water is indoor heating under the driving of water pump 7, in plate type heat exchanger 5, condensed liquid refrigerant enters electric expansion valve 4, throttling becomes the gas-liquid two-phase working medium of low-temp low-pressure, the gas-liquid two-phase working medium of low-temp low-pressure enters solar energy heating evaporimeter 1 and absorbs solar heat and become gaseous working medium, complete a heat pump fluid circulation, working medium and so forth periodic duty is indoor heating, this operational mode is applicable to the solar irradiation intensity enough large moment.
B, Gas Boiler Heating operational mode:
Work as T
b﹤ T
bdand T
n﹤ T
ndtime, the the first temperature signal probe 21 be placed in solar energy heating evaporimeter 1 is transferred to controller by holding wire temperature signal with the second temperature signal probe 22 of the water outlet being placed on gas fired-boiler 6, following control instruction is sent by wire: open gas fired-boiler 6 and water pump 7, close compressor 3 after controller 2 pairs of temperature signals carry out logic analysis;
Now solar heat pump does not run, the recirculated water of recirculated water unit is heated in gas fired-boiler 6, recirculated water enters indoor heating end 8 for indoor heating under the driving of water pump 7, and this operational mode is applicable to the moment of solar irradiation intensity deficiency, such as evening and overcast and rainy.
The beneficial effect of the utility model solar heat pump and gas fired-boiler combined heating system is:
1, when solar irradiation intensity is enough, solar energy is indoor heating as the low-temperature heat source of heat pump, and gas fired-boiler cuts out, and now system energy efficiency is higher, obviously energy-conservation;
2, when solar irradiation intensity is not enough, solar heat pump quits work, and is indoor heating by gas fired-boiler, ensure that the continuity of indoor heating;
3, the heat-collecting plate core in flat panel solar heat collecting plate and evaporator with heat pump are made be integrally formed tube wing type evaporimeter, evaporation and heat-exchange is evenly abundant, whole heat-collecting plate core surface temperature is even, greatly reduce surface heat migration loss, liquid-gas phase transition heat exchange is simultaneously tens times of heat convection, relative solar thermal collection system ultrahigh in efficiency;
4, adopt cold-producing medium (R134a etc.) as heat pump fluid, the freezing point temperature of cold-producing medium is about-100 DEG C, thoroughly solves the preventing freeze in winter problem of flat-plate solar collector;
5, system cloud gray model realizes full intellectualized, keeps an eye on without the need to personnel.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a solar heat pump and gas fired-boiler combined heating system, it is characterized in that, comprise: solar energy heating unit, heat pump main computer unit, water circulation unit and control unit, described solar energy heating unit is connected with heat pump main computer unit respectively with water circulation unit, described control unit is connected with heat pump main computer unit and water circulation unit respectively
Described heat pump main computer unit comprises: compressor, electric expansion valve and plate type heat exchanger, the suction end of described compressor is connected with the port of export of the evaporating heat exchanger of solar energy heating unit, the exhaust end of described compressor is connected with the fluorine pipe of described plate type heat exchanger, the fluorine pipe other end of plate type heat exchanger is connected with one end of described electric expansion valve, the other end of electric expansion valve is connected with the evaporative heat exchanger inlet of described solar energy heating unit
Described water circulation unit comprises: gas fired-boiler, water pump and indoor heating end, the delivery port of described water pump and water pipe one end of described plate type heat exchanger, the water pipe other end of described plate type heat exchanger is connected with the water inlet of described gas fired-boiler, the delivery port of described gas fired-boiler is connected with described indoor heating end, and the other end of described indoor heating end is connected with the water inlet of described water pump.
2. solar heat pump according to claim 1 and gas fired-boiler combined heating system, it is characterized in that, described solar energy heating unit comprises evaporating heat exchanger, heat absorbing fins, transparent cover plate, insulation frame and insulation backboard, evaporating heat exchanger and heat absorbing fins connect into an entirety, connected by welding or expanded joint mode between evaporating heat exchanger and heat absorbing fins, a whole plate is interconnected between multiple heat absorbing fins, the top of heat absorbing fins is provided with transparent cover plate, surrounding is provided with insulation frame, and back is provided with insulation backboard.
3. solar heat pump according to claim 1 and gas fired-boiler combined heating system, it is characterized in that, described control unit comprises: controller, the first temperature signal probe and the second temperature signal probe, described first temperature signal probe is placed in described solar energy heating evaporimeter, described second temperature signal probe is placed in the delivery port of described gas fired-boiler, and controller is connected with compressor, water pump and gas fired-boiler respectively by wire.
4. solar heat pump according to claim 1 and gas fired-boiler combined heating system, is characterized in that, described indoor heating end can adopt fan coil, radiator or flooring radiation heating system, and indoor heating end can parallel multiplex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467041.7U CN204100356U (en) | 2014-08-19 | 2014-08-19 | Solar heat pump and gas fired-boiler combined heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467041.7U CN204100356U (en) | 2014-08-19 | 2014-08-19 | Solar heat pump and gas fired-boiler combined heating system |
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| Publication Number | Publication Date |
|---|---|
| CN204100356U true CN204100356U (en) | 2015-01-14 |
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ID=52268779
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420467041.7U Active CN204100356U (en) | 2014-08-19 | 2014-08-19 | Solar heat pump and gas fired-boiler combined heating system |
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| CN (1) | CN204100356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726426A (en) * | 2017-11-13 | 2018-02-23 | 济南金孚瑞供热工程技术有限公司 | Double thermal source complementary heating systems and its implementation |
| WO2019095194A1 (en) * | 2017-11-16 | 2019-05-23 | 苏州三一冷暖工程有限公司 | Adjustable heating system for double heating workshop |
| CN111678367A (en) * | 2020-07-06 | 2020-09-18 | 张春丽 | Heat source supplement heat exchanger device of optional formula |
-
2014
- 2014-08-19 CN CN201420467041.7U patent/CN204100356U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726426A (en) * | 2017-11-13 | 2018-02-23 | 济南金孚瑞供热工程技术有限公司 | Double thermal source complementary heating systems and its implementation |
| WO2019095194A1 (en) * | 2017-11-16 | 2019-05-23 | 苏州三一冷暖工程有限公司 | Adjustable heating system for double heating workshop |
| CN111678367A (en) * | 2020-07-06 | 2020-09-18 | 张春丽 | Heat source supplement heat exchanger device of optional formula |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |