CN204739788U - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN204739788U CN204739788U CN201520398045.9U CN201520398045U CN204739788U CN 204739788 U CN204739788 U CN 204739788U CN 201520398045 U CN201520398045 U CN 201520398045U CN 204739788 U CN204739788 U CN 204739788U
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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
- 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
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a heat pump system relates to heat pump technical field, has solved current solar energy system and not energy -conserving, the with high costs problem of heat pump system. The main technical scheme who adopts does: life water tank, its inside temperature sensor who is provided with first heat exchanger and is used for gathering the interior temperature of life water tank, solar collector is with life water tank circulation intercommunication, heat pump set, with the first heat exchanger circulation intercommunication in the life water tank, heat pump set includes the automatically controlled board of being connected with a temperature sensor, automatically controlled board is used for receiving the first temperature value that a temperature sensor gathered to judge when first temperature value is less than first default that control heat pump set lumbricine live -box heats, when first temperature value equaled or is greater than first default, control heat pump set stopped the lumbricine live -box and heats. The utility model discloses mainly used refrigerates, heats and prepare life hot water.
Description
Technical field
The utility model relates to technical field of heat pumps, particularly relates to a kind of heat pump.
Background technology
Along with expanding economy, the raising of people's living standard, energy-conserving and environment-protective become the topic that people day by day pay close attention to, solar energy and air source heat pump technology are being freezed, larger development is obtained for warm hot water field, but, when solar radiation is not enough, the heating effect of solar thermal collector will be had a greatly reduced quality, and for air source heat pump system, its heating efficiency and heating capacity all constantly can be decayed along with the reduction of outside air temperature, for above two kinds of situations, conventional solution in solar energy system and air source heat pump system, increases electric ancillary heating equipment carry out the energy and supplement, in fact really do not realize energy-conservation, improve cost on the contrary.
Utility model content
In view of this, the utility model provides a kind of heat pump, and main purpose is to solve existing solar energy system and heat pump is not energy-conservation, the problem that cost is high.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of heat pump, and it comprises:
Water supply tank, its inside is provided with First Heat Exchanger and the first temperature sensor for gathering water temperature in described water supply tank;
Solar thermal collector, circulates with described water supply tank and is communicated with, for heating the water in described water supply tank;
Source pump, circulate with the First Heat Exchanger in described water supply tank and be communicated with, for heating the water in described water supply tank, described source pump comprises the electric-controlled plate be connected with described first temperature sensor, the first water temperature value that described electric-controlled plate gathers for receiving described first temperature sensor, and judge when described first water temperature value is less than the first preset value, control described source pump to heat described water supply tank, when described first water temperature value is equal to or greater than described first preset value, controls described source pump and stop heating described water supply tank.
Further, also comprise the first water pump be connected with described electric-controlled plate, the delivery port of described solar thermal collector passes through the first inlet communication of described first water pump and described water supply tank, be provided with for gathering water temperature in described solar thermal collector in described solar thermal collector, and the second temperature sensor be connected with described electric-controlled plate, described electric-controlled plate is also for receiving the second water temperature value that described second temperature sensor gathers, and judge when the difference of described second water temperature value and described first water temperature value is equal to or greater than the second preset value, control described first starting mode of pump, when the difference of described second water temperature value and described first water temperature value is less than or equal to described 3rd preset value, control described first water pump to stop.
Particularly, described source pump comprises compressor, it is that the conveying of described source pump is for the refrigerant freezed or heat by the first refrigerant pipeline, described first refrigerant pipeline is provided with the control valve be electrically connected with described electric-controlled plate, for controlling opening or disconnecting of described first refrigerant pipeline, the first end of described control valve is communicated with the First Heat Exchanger entrance in described water supply tank by the second refrigerant pipeline, and the second end of described control valve is by the First Heat Exchanger outlet in the 3rd refrigerant pipeline and described water supply tank;
When described electric-controlled plate control described control valve described first refrigerant pipeline is disconnected time, the refrigerant that described compressor is discharged enters in the First Heat Exchanger of described water supply tank through described second refrigerant pipeline, the water in heating water supply tank; When described electric-controlled plate control described control valve described first refrigerant pipeline is opened time, the refrigerant that described compressor is discharged carries out freezing or heating through described first refrigerant pipeline in described source pump.
Particularly, described compressor has air entry and exhaust outlet, described source pump also comprises four-way change-over valve, evaporimeter, expansion valve, second heat exchanger and electric-controlled plate, wherein, described four-way change-over valve is electrically connected with described electric-controlled plate, described electric-controlled plate is for controlling the connection switching mode of each connector in described four-way change-over valve, and described exhaust outlet of compressor is communicated with the first connector of described four-way change-over valve by the first refrigerant pipeline, the first end of described evaporimeter is communicated with the second connector of described four-way change-over valve, second end of described evaporimeter is communicated with the first end of described second heat exchanger by described expansion valve, second end of described second heat exchanger is communicated with the 3rd connector of described four-way change-over valve, 4th connector of described four-way change-over valve is communicated with described compressor air suction mouth, refrigeration or when freezing and produce domestic hot-water, the first connector that described electric-controlled plate controls described four-way change-over valve is communicated with the second connector, and second connector be communicated with the 3rd connector, heating or when heating and produce domestic hot-water, the first connector that described electric-controlled plate controls described four-way change-over valve is communicated with the 3rd connector, and the second connector is communicated with the 4th connector.
Further, also comprise the buffer tank be communicated with that to circulate with described second heat exchanger, described buffer tank is used for circulating with fan coil with grounding heat coil tube being communicated with.
Particularly, also comprise the second water pump be connected with described electric-controlled plate, the 3rd heat exchanger is provided with in described buffer tank, described 3rd heat exchanger is circulated with described water supply tank by described second water pump and is communicated with, when described electric-controlled plate judges that described first water temperature value is equal to or greater than the 4th preset value, described electric-controlled plate controls described second starting mode of pump, when described first water temperature value is less than described 4th preset value, described electric-controlled plate controls described second water pump to be stopped, wherein, described 4th preset value is greater than described first preset value.
Particularly, described buffer tank to be circulated with described second heat exchanger by water circulating pump and is communicated with.
Particularly, described buffer tank and described water supply tank are integrated in same water tank by interlayer separating plate.
By technique scheme, the heat pump of a kind of solar energy coupling air-source that the utility model embodiment provides at least has following advantages:
The heat pump that the utility model embodiment provides, the first temperature sensor for adopting its water temperature inside is set in water supply tank, this first temperature sensor is connected with the electric-controlled plate in source pump, the first water temperature value that electric-controlled plate gathers for receiving the first temperature sensor, and judge when the first water temperature value is less than the first preset value, control source pump to heat water supply tank, namely be that water supply tank heats jointly by source pump and solar thermal collector, now, in source pump, the condensation temperature of refrigerant is lower, and the operational efficiency of source pump is higher; When the first water temperature value is equal to or greater than the first preset value, in source pump, the condensation temperature of refrigerant raises, and source pump operational efficiency declines, now, control source pump by electric-controlled plate to stop heating water supply tank, only by solar thermal collector, water supply tank is heated.This system can be heated water supply tank jointly by source pump and solar thermal collector, avoid when adopting separately solar thermal collector or source pump to heat water supply tank, cause heating effect to have a greatly reduced quality by effect of natural conditions, thus electric ancillary heating equipment must be adopted to carry out the supplementary drawback of the energy, achieve energy-conservation, and reduce cost, simultaneously, when the temperature of water in water supply tank reaches the first preset value of user's setting, source pump stops heating water supply tank, only by solar thermal collector, water supply tank is heated, accomplish again making full use of of solar energy, improve the energy utilization rate of system.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
The structural representation of a kind of heat pump that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of the utility model application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Below by way of the concrete course of work, the present embodiment is specifically described.
As shown in Figure 1, the utility model embodiment provides a kind of heat pump, comprise water supply tank 1, its inside is provided with First Heat Exchanger (not indicating in figure) and the first temperature sensor (not indicating in figure) for gathering water temperature in water supply tank, solar thermal collector 2, circulates with water supply tank 1 and is communicated with, for heating the water in water supply tank 1, source pump, circulate with the First Heat Exchanger in water supply tank 1 and be communicated with, for heating the water in water supply tank, source pump comprises the electric-controlled plate be connected with the first temperature sensor, its the first water temperature value gathered for receiving the first temperature sensor, and judge the size of the first preset value that this first water temperature value and user set, and when the first water temperature value is less than the first preset value, control source pump to heat water supply tank 1, namely jointly water supply tank 1 is heated by source pump and solar thermal collector 2, when the first water temperature value is equal to or greater than the first preset value, control source pump to stop heating water supply tank 1, only heated by solar thermal collector 2 pairs of water supply tanks.
The heat pump that the utility model embodiment provides, the first temperature sensor for adopting its water temperature inside is set in water supply tank, this first temperature sensor is connected with the electric-controlled plate in source pump, the first water temperature value that electric-controlled plate gathers for receiving the first temperature sensor, and judge when the first water temperature value is less than the first preset value, control source pump to heat water supply tank, namely be that water supply tank heats jointly by source pump and solar thermal collector, now, in source pump, the condensation temperature of refrigerant is lower, and the operational efficiency of source pump is higher; When the first water temperature value is equal to or greater than the first preset value, in source pump, the condensation temperature of refrigerant raises, and source pump operational efficiency declines, now, control source pump by electric-controlled plate to stop heating water supply tank, only by solar thermal collector, water supply tank is heated.This system can be heated water supply tank jointly by source pump and solar thermal collector, avoid when adopting separately solar thermal collector or source pump to heat water supply tank, cause heating effect to have a greatly reduced quality by effect of natural conditions, thus electric ancillary heating equipment must be adopted to carry out the supplementary drawback of the energy, achieve energy-conservation, and reduce cost, simultaneously, when in water supply tank, the temperature of water reaches the first preset value of setting, source pump stops heating water supply tank, only by solar thermal collector, water supply tank is heated, accomplish again making full use of of solar energy, improve the energy utilization rate of system.
In order to ensure the efficiency of heating surface of solar thermal collector to water supply tank, as the improvement of technical scheme, increase the first water pump 23 be connected with electric-controlled plate in systems in which, solar thermal collector 2 to be circulated with water supply tank 1 by the first water pump 23 be communicated with, delivery port 21 by solar thermal collector 2 is communicated with the first import 11 of water supply tank 1 by the first water pump 23, or the water inlet 22 of solar thermal collector 2 is exported 12 by the first water pump 23 with first of water supply tank 1 be communicated with, solar thermal collector 2 and life water supply tank 1 is made to carry out water circulation, be provided with for gathering water temperature in it in solar thermal collector 2, and the second temperature sensor be also connected with electric-controlled plate, wherein, electric-controlled plate is also for receiving the second water temperature value that the second temperature sensor gathers, and judge when the difference of the first water temperature value of the second water temperature value and the first temperature sensor collection is equal to or greater than the second preset value that user sets, electric-controlled plate can control the first water pump 23 and start, high-temperature water in solar thermal collector 2 is recycled in water supply tank 1, water at low temperature in water supply tank 1 is recycled in solar thermal collector 2, thus the water temperature in water supply tank 1 is raised, until the water temperature in the two is close to time consistent, namely when the difference of the second water temperature value and the first water temperature value is less than or equal to the 3rd preset value (the 3rd preset value is close to zero) that user sets, control described first water pump 23 to stop, stop water circulation therebetween, when the difference of the first water temperature value of the second water temperature value and the first temperature sensor collection reaches condition again, the two carries out water circulation again, to ensure that the water temperature in water supply tank 1 can remain in certain temperature range for a long time, avoid affecting user's result of use.
The heat pump of this structure can realize refrigeration, domestic hot-water's three functions are produced for warm, and utilize source pump to heat water in water supply tank 1, realize cold, warm, the mode of hot water three-purpose has multiple, but mostly adopt two compressors, one for realizing refrigeration or heating, another is for producing domestic hot-water, system architecture is complicated, and cost is high, as the improvement of technical scheme, a kind of preferred version that the present embodiment provides is: see Fig. 1, source pump comprises compressor 31, its by the first refrigerant pipeline 32 for source pump conveying for the refrigerant freezed or heat, first refrigerant pipeline 32 is provided with control valve 33, be preferably normally open solenoid valve, for controlling opening or disconnecting of the first refrigerant pipeline 32, the first end 331 of this control valve 33 is communicated with the First Heat Exchanger entrance in described water supply tank 1 by the second refrigerant pipeline 35, second end 332 of this control valve 33 is by the 3rd refrigerant pipeline 34 and the First Heat Exchanger outlet in water supply tank 1.When electric-controlled plate judges that the first water temperature value of the first temperature sensor collection is less than the first preset value, control source pump to heat water supply tank 1, namely electric-controlled plate is that control valve 33 powers on, control valve 33 controls the first refrigerant pipeline 32 and disconnects, the refrigerant that compressor 31 is discharged enters in the First Heat Exchanger of water supply tank 1 through the second refrigerant pipeline 35, the water in heating water supply tank 1; When electric-controlled plate judges that the first water temperature value is equal to or greater than the first preset value, control source pump to stop heating water supply tank 1, namely electric-controlled plate stops powering for control valve 33, control valve 33 dead electricity is opened, control valve 33 controls the first refrigerant pipeline 32 when opening, the refrigerant that compressor 31 exhaust outlet is discharged is due to the effect of circulating resistance, heat without the second refrigerant pipeline 35 for water supply tank 1, and be through the first refrigerant pipe 32 tunnel and enter in source pump, carry out freezing or heating, now, only by solar thermal collector, water supply tank is heated.Visible, by arranging control valve on 32 on the first refrigerant pipeline, and the optimal design to pipeline, make not only can carry out freezing or heating in source pump from compressor refrigerant out, the First Heat Exchanger that can also enter in water supply tank heats the water in water supply tank, and then only use a compressor to realize refrigeration, produce domestic hot-water's three functions for warm, thus make system architecture simple, and cost is low.
See Fig. 1, source pump also comprises four-way change-over valve 36, evaporimeter 37, expansion valve 38, second heat exchanger 39 and electric-controlled plate, wherein, described four-way change-over valve 36 is connected with electric-controlled plate, electric-controlled plate is also for controlling the connection switching mode of each connector in four-way change-over valve 36, and compressor 31 mentioned above has exhaust outlet 311 and air entry 312, and compressor 31 exhaust outlet 311 is communicated with the first connector D of four-way change-over valve 12 by the first refrigerant pipeline 32, the first end of evaporimeter 37 is communicated with the second connector E of four-way change-over valve 36, second end of evaporimeter 37 is communicated with the first end of the second heat exchanger 39 by expansion valve 38, second end of the second heat exchanger 39 is communicated with the 3rd connector C of four-way change-over valve 36, 4th connector S of four-way change-over valve 36 is communicated with compressor 31 air entry 312, refrigeration or when freezing and produce domestic hot-water, the first connector D that electric-controlled plate controls described four-way change-over valve 36 is communicated with the second connector E, and the 3rd connector C be communicated with the 4th connector S, heating or when heating and produce domestic hot-water, the first connector D that electric-controlled plate controls four-way change-over valve 36 is communicated with the 3rd connector C, and the second connector E is communicated with the 4th connector S.Because source pump has the second heat exchanger 39, be provided with First Heat Exchanger in water supply tank 1, therefore, this system can also realize heating water and heating domestic hot water is separated, both can adopt different heating-up temperature isolated operations, health, and user's comfort is high.
In order to avoid source pump off-premises station frequent start-stop and reduce service life of heat pump, as the improvement of technical scheme, in heat pump, also add the buffer tank 310 be communicated with that to circulate with the grounding heat coil tube of user and fan coil, and this buffer tank 310 circulates with the second heat exchanger 39 and is connected.Heat pump carry out freezing or heating mode process in, buffer tank 310 stores cold or the heat of a part by the second heat exchanger 39, so that before upper once source pump starts, just can store a part of heat or cold in grounding heat coil tube or fan coil and carry out heating or freezing, to extend the time of off-premises station start and stop, when particularly correspondence configures the fan coil with motor-driven valve, the capacity of buffer tank 310 should be as far as possible larger, therefore, buffer tank 310 is increased in heat pump, the frequent start-stop of source pump off-premises station can be avoided and cause damage, and then improve the service life of heat pump.Wherein, in order to improve in source pump the cycle efficieny of the second heat exchanger 39 and buffer tank 310, buffer tank 310 to be circulated with the second heat exchanger 39 by water circulating pump (not indicating in figure) and is communicated with.In addition, when not needing refrigeration and heating only needing to carry out producing domestic hot-water, water circulating pump can cut out, blocking the second heat exchanger 39 with the circulation between buffer tank 310 is communicated with, stop refrigeration and heating, thus realize carrying out separately the object producing domestic hot-water.Buffer tank 310 can be circulated with fan coil by coil pipe water pump and grounding heat coil tube and be communicated with, to improve heat exchange efficiency, simultaneously, in order to improve system safety in utilization, also expansion drum can be communicated with at buffer tank 310 with on the pipeline between grounding heat coil tube and fan coil, by the hydraulic pressure changed along with variations in temperature in expansion drum equalizing line, improve safety in utilization.
As described above, source pump heats the water in water supply tank 1, and then realizes preferred embodiment that is cold, warm, hot water three-purpose, has following five kinds of mode of operations:
Produce domestic hot-water's pattern: control valve 33 powers on disconnection, close water circulating pump, high temperature and high pressure gas refrigerant from compressor 31 exhaust outlet out, enter in the First Heat Exchanger in water supply tank 1 through the second refrigerant pipeline 35, the water in heat heating water supply tank 1 released by heat exchanger, and refrigerant becomes the liquid of cryogenic high pressure, and from the 3rd refrigerant pipeline 34 out, now, refrigerant can have two paths to get back to the air entry of compressor 31; One, refrigerant from the 3rd refrigerant pipeline 34 out successively through the first connector D and the 3rd connector C-channel of four-way change-over valve 36, the second heat exchanger 39 entering indoor set cools further, again after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the evaporimeter 37 entering off-premises station absorbs heat, refrigerant becomes the gas of low-temp low-pressure, successively gets back in compressor 31 air entry through the second connector E of four-way change-over valve 36 and the 4th connector channel S.Two, refrigerant from the 3rd refrigerant pipeline 34 out, the evaporimeter 37 successively entering off-premises station through the first connector D of four-way change-over valve 36 and the second connector E passage cools further, again after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the second heat exchanger 39 entering indoor set absorbs heat, refrigerant becomes the gas of low-temp low-pressure, and the 3rd connector C and the 4th connector channel S that then successively flow through four-way change-over valve 36 are got back in compressor 31 air entry.
Freeze and produce domestic hot-water's pattern: control valve 33 obtains electric disconnection, start water circulating pump, HTHP refrigerant from compressor 31 exhaust outlet out, enter through the second refrigerant pipeline 35 in the First Heat Exchanger in water supply tank 2 and release heat, water in heating water supply tank 1, refrigerant becomes the liquid of cryogenic high pressure, from the 3rd refrigerant pipeline 34 out, the evaporimeter 37 successively entering off-premises station through the first connector D of four-way change-over valve 36 and the second connector E passage cools further, again after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the second heat exchanger 39 entering indoor set absorbs heat, water in cooling buffer tank 310, refrigerant becomes the gas of low-temp low-pressure, then the 3rd connector C and the 4th connector channel S that successively flow through four-way change-over valve 36 are got back in compressor 31 air entry.Visible, the heat pump of this structure, refrigeration mode with produce domestic hot-water's pattern and can run simultaneously, make simple to operation.Visible, this kind of refrigeration mode achieves condensing units, improves energy utilization rate.
Heat and produce domestic hot-water's pattern: control valve 33 obtains electric disconnection, start water circulating pump, HTHP refrigerant from compressor 31 exhaust outlet out, enter through the second refrigerant pipeline 35 in the First Heat Exchanger in water supply tank 1 and release heat, water in heating water supply tank 1, refrigerant becomes the liquid of cryogenic high pressure, from the 3rd refrigerant pipeline 34 out, successively through the first connector D and the 3rd connector C-channel of four-way change-over valve 36, the second heat exchanger 39 entering indoor set cools further, again after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the evaporimeter 37 entering off-premises station absorbs heat, refrigerant becomes the gas of low-temp low-pressure, successively get back in compressor 31 air entry through the second connector E of four-way change-over valve 36 and the 4th connector channel S.
Refrigeration mode: control valve 33 dead electricity is opened, start water circulating pump, HTHP refrigerant from compressor 31 exhaust outlet out, due to the cause of flow resistance, HTHP refrigerant can flow through control valve 33 and not flow through water supply tank 1, HTHP refrigerant successively enters evaporimeter 37 through the first connector D of four-way change-over valve 36 and the second connector E passage and releases heat, refrigerant becomes the liquid of cryogenic high pressure, after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the second heat exchanger 39 entering indoor set absorbs heat, water in cooling buffer tank 310, refrigerant becomes the gas of low-temp low-pressure, the 3rd connector C and the 4th connector channel S that successively flow through four-way change-over valve 36 are got back in compressor 31 air entry.
Heating mode: control valve 33 dead electricity is opened, start water circulating pump, HTHP refrigerant from compressor 31 exhaust outlet mouth out, after heat released by the second heat exchanger 39 successively entering indoor set through the first connector D of four-way change-over valve 36 and the 3rd connector C-channel, water in heating buffer tank 310, refrigerant becomes the liquid of cryogenic high pressure, after expansion valve 38 throttling, refrigerant becomes the gas-liquid mixed of low-temp low-pressure, the evaporimeter 37 entering off-premises station absorbs heat, refrigerant becomes the gas of low-temp low-pressure, the the second connector E and the 4th connector channel S that successively flow through four-way change-over valve 36 are got back in compressor 31 air entry.Visible, the heating mode of this system with produce domestic hot-water's pattern can isolated operation, namely can adopt different heating temperature, two kinds with water again without the need to mixing, health, and produce domestic hot-water and have precedence over refrigeration, heating water.
In order to make full use of solar energy further, reduce the load of source pump off-premises station, as the improvement of technical scheme, increase the second water pump 4 be connected with electric-controlled plate in systems in which, the 3rd heat exchanger 3101 is provided with in buffer tank 310, 3rd heat exchanger is preferably coil heat exchanger, to improve its heat conductive efficiency, water supply tank 1 to be circulated with the 3rd heat exchanger 3101 by the second water pump 4 be communicated with, namely on water supply tank 1, be provided with the second import 14 and the second outlet 13, second import 14 of water supply tank 1 is communicated with the first end of the 3rd heat exchanger 3101, second outlet 13 of water supply tank 1 is communicated with the second end of the 3rd heat exchanger 3101 by the second water pump 4, or second of water supply tank 1 the outlet 13 is communicated with the second end of the 3rd heat exchanger 3101, second import 14 of water supply tank 1 is communicated with the first end of the 3rd heat exchanger 3101 by the second water pump 4, in the heating mode when electric-controlled plate judges that the first water temperature value of the first temperature sensor collection is equal to or greater than the 4th preset value (being greater than the first preset value) of user's setting, electric-controlled plate controls the second water pump 4 and starts, hot water in water supply tank 1 is pumped in the 3rd heat exchanger 3101, and the water heated by the 3rd heat exchanger 3101 in buffer tank 310, and then the cold water heated in grounding heat coil tube and fan coil heats, achieve and make full use of solar energy further, decrease the running time of source pump, reduce the load of source pump off-premises station, simultaneously, also ensure that the water temperature in water supply tank 1 is unlikely to too high and affects user's result of use, when described first water temperature value is less than described 4th preset value, electric-controlled plate controls the second water pump 4 to be stopped, and stops heating, avoids because heating carries out water circulation and the water temperature that reduces in water supply tank 1, causes the drawback that user's result of use is not good.
In order to save, land used and installation pipeline are installed, and convenient management, as the improvement of technical scheme, water supply tank 1 and buffer tank 310 can be integrated in same water tank, and make the two be separated by interlayer separating plate.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a heat pump, is characterized in that, comprising:
Water supply tank, its inside is provided with First Heat Exchanger and the first temperature sensor for gathering water temperature in described water supply tank;
Solar thermal collector, circulates with described water supply tank and is communicated with, for heating the water in described water supply tank;
Source pump, circulates with the First Heat Exchanger in described water supply tank and is communicated with, for heating the water in described water supply tank;
Described source pump comprises the electric-controlled plate be connected with described first temperature sensor, the first water temperature value that described electric-controlled plate gathers for receiving described first temperature sensor, and judge when described first water temperature value is less than the first preset value, control described source pump to heat described water supply tank, when described first water temperature value is equal to or greater than described first preset value, controls described source pump and stop heating described water supply tank.
2. heat pump according to claim 1, is characterized in that, also comprises:
The first water pump be connected with described electric-controlled plate;
Described solar thermal collector is circulated with described water supply tank by described first water pump and is communicated with;
Be provided with in described solar thermal collector for gathering water temperature in described solar thermal collector, and the second temperature sensor be connected with described electric-controlled plate;
Described electric-controlled plate is also for receiving the second water temperature value that described second temperature sensor gathers, and judge when the difference of described second water temperature value and described first water temperature value is equal to or greater than the second preset value, control described first starting mode of pump, when the difference of described second water temperature value and described first water temperature value is less than or equal to the 3rd preset value, controls described first water pump and stop;
Wherein, described 3rd preset value is less than described second preset value.
3. heat pump according to claim 1, is characterized in that,
Described source pump comprises compressor, and it is that the conveying of described source pump is for the refrigerant freezed or heat by the first refrigerant pipeline;
Described first refrigerant pipeline is provided with the control valve be electrically connected with described electric-controlled plate, for controlling opening or disconnecting of described first refrigerant pipeline;
The first end of described control valve is communicated with the First Heat Exchanger entrance in described water supply tank by the second refrigerant pipeline, and the second end of described control valve is by the First Heat Exchanger outlet in the 3rd refrigerant pipeline and described water supply tank;
When described electric-controlled plate control described control valve described first refrigerant pipeline is disconnected time, the refrigerant that described compressor is discharged enters in the First Heat Exchanger of described water supply tank through described second refrigerant pipeline, the water in heating water supply tank; When described electric-controlled plate control described control valve described first refrigerant pipeline is opened time, the refrigerant that described compressor is discharged carries out freezing or heating through described first refrigerant pipeline in described source pump.
4. heat pump according to claim 3, is characterized in that,
Described compressor has air entry and exhaust outlet;
Described source pump also comprises four-way change-over valve, evaporimeter, expansion valve, second heat exchanger and electric-controlled plate, wherein, described four-way change-over valve is electrically connected with described electric-controlled plate, described electric-controlled plate is also for controlling the connection switching mode of each connector in described four-way change-over valve, and described exhaust outlet of compressor is communicated with the first connector of described four-way change-over valve by the first refrigerant pipeline, the first end of described evaporimeter is communicated with the second connector of described four-way change-over valve, second end of described evaporimeter is communicated with the first end of described second heat exchanger by described expansion valve, second end of described second heat exchanger is communicated with the 3rd connector of described four-way change-over valve, 4th connector of described four-way change-over valve is communicated with described compressor air suction mouth,
Refrigeration or when freezing and produce domestic hot-water, the first connector that described electric-controlled plate controls described four-way change-over valve is communicated with the second connector, and second connector be communicated with the 3rd connector, heating or when heating and produce domestic hot-water, the first connector that described electric-controlled plate controls described four-way change-over valve is communicated with the 3rd connector, and the second connector is communicated with the 4th connector.
5. heat pump according to claim 4, is characterized in that, also comprises:
To circulate the buffer tank be communicated with described second heat exchanger, described buffer tank is used for circulating with fan coil with grounding heat coil tube being communicated with.
6. heat pump according to claim 5, is characterized in that, also comprises:
The second water pump be connected with described electric-controlled plate;
Be provided with the 3rd heat exchanger in described buffer tank, described 3rd heat exchanger is circulated with described water supply tank by described second water pump and is communicated with;
When described electric-controlled plate judges that described first water temperature value is equal to or greater than the 4th preset value, described electric-controlled plate controls described second starting mode of pump, and when described first water temperature value is less than described 4th preset value, described electric-controlled plate controls described second water pump to be stopped;
Wherein, described 4th preset value is greater than described first preset value.
7. heat pump according to claim 5, is characterized in that,
Described buffer tank to be circulated with described second heat exchanger by water circulating pump and is communicated with.
8. the heat pump according to claim 5 or 6, is characterized in that,
Described buffer tank and described water supply tank are integrated in same water tank by interlayer separating plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398045.9U CN204739788U (en) | 2015-06-10 | 2015-06-10 | Heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398045.9U CN204739788U (en) | 2015-06-10 | 2015-06-10 | Heat pump system |
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| CN204739788U true CN204739788U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500160A (en) * | 2016-11-10 | 2017-03-15 | 江苏海雷德蒙新能源有限公司 | A kind of air source heat pump heating system |
| CN110848846A (en) * | 2019-11-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Solar air-conditioning heat pump system, control method and air conditioner |
| CN112503649A (en) * | 2020-12-01 | 2021-03-16 | 广东积微科技有限公司 | Multi-split system capable of heating domestic water and having floor heating function |
| CN114440478A (en) * | 2022-01-10 | 2022-05-06 | 武汉赛尔太阳能科技有限公司 | Wind-heat type solar automatic heating system and control method thereof |
-
2015
- 2015-06-10 CN CN201520398045.9U patent/CN204739788U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500160A (en) * | 2016-11-10 | 2017-03-15 | 江苏海雷德蒙新能源有限公司 | A kind of air source heat pump heating system |
| CN110848846A (en) * | 2019-11-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Solar air-conditioning heat pump system, control method and air conditioner |
| CN110848846B (en) * | 2019-11-19 | 2023-12-08 | 珠海格力电器股份有限公司 | Solar air conditioner heat pump system, control method and air conditioner |
| CN112503649A (en) * | 2020-12-01 | 2021-03-16 | 广东积微科技有限公司 | Multi-split system capable of heating domestic water and having floor heating function |
| CN114440478A (en) * | 2022-01-10 | 2022-05-06 | 武汉赛尔太阳能科技有限公司 | Wind-heat type solar automatic heating system and control method thereof |
| CN114440478B (en) * | 2022-01-10 | 2023-12-05 | 武汉赛尔太阳能科技有限公司 | Wind-heat type solar automatic heating system and control method thereof |
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