CN106895599A - A kind of intelligent geothermal heat pump unit - Google Patents
A kind of intelligent geothermal heat pump unit Download PDFInfo
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- CN106895599A CN106895599A CN201710206236.4A CN201710206236A CN106895599A CN 106895599 A CN106895599 A CN 106895599A CN 201710206236 A CN201710206236 A CN 201710206236A CN 106895599 A CN106895599 A CN 106895599A
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- valve
- cooling heat
- water cooling
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- 238000001816 cooling Methods 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000009975 flexible effect Effects 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002977 hyperthermial effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of intelligent geothermal heat pump unit, including heat pump unit, ground source pipe laying unit and end plate type heat exchanger, heat pump unit includes compressor, four-way reversing valve, first water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, ground source pipe laying unit connects and composes the first heat exchange circulation loop by the first pipeline and the second pipeline correspondence with the two-port of second medium passage in the first water cooling heat exchanger, the two-port correspondence of second medium passage connects and composes the second heat exchange circulation loop by the primary side two-port that the 3rd pipeline and the 4th pipeline change formula heat exchanger with end plate in second water cooling heat exchanger, the secondary side two-port that end plate changes formula heat exchanger is used to be connected with water installations with end by pipeline.The present invention has the advantages that simple structure, controls flexible, stable, strong adaptability, Energy Efficiency Ratio high.
Description
Technical field
The present invention relates to a kind of building energy conservation or the apparatus of air conditioning, more particularly, to a kind of geothermal heat pump air-conditioning system.
Background technology
In recent years, an urgent demand based on energy saving Yu environmental protection, ground source heat pump type air-conditioning technical has been obtained quickly
Development, and the extensive use in all kinds of buildings, and with annual 20%~25% speed increase.At present, China's earth source heat pump is empty
The application scale of adjusting system is developed from medium and small single building to large building residential quarters.Geothermal heat pump air-conditioning system is main
Using shallow rock soil layer as the low-temperature receiver or low level heat energy of system, heat exchange is carried out by heat pump unit and produces conditioned water, and most
Cold and hot energy transmission is to indoor at last.Summer, shallow rock soil layer temperature is lower than the air themperature in building, geothermal heat pump air-conditioner
Using shallow rock soil layer as low-temperature receiver, heat pump unit carries out refrigeration and produces cold water system, and by heat exchange most at last in building
Atmospheric heat be discharged into shallow rock soil layer in, make room refrigeration cool-down；In winter, shallow rock soil layer is used as low level heat energy, heat pump
Unit is carried out heating generation hot water, and most thermal energy is delivered in building at last by heat exchange, to carry out heat supply in winter.But
Existing ground source heat pump type air-conditioning system also has that storage is more, is further improved or perfect, mainly in actual applications
Performance is in the following areas：First, during operation of heat pump, it is provided only with ground source pipe laying because of it to provide cold and hot exchange source, in summer
Outdoor environment temperature is higher or during relatively low winter outdoor environment temperature, because heat exchange amount is larger, it is easy to cause ground source temperature
Lift or reduce excessive, lead that heat exchange efficiency is relatively low, and the operation stability of system is poor, and energy consumption is larger.2nd, in spring and autumn
When section or outdoor environment temperature are moderate, often only air need to slightly be done lower the temperature or hyperthermic treatment, it is necessary to cold and hot amount it is smaller, and show
Some ground source heat pump type air-conditioning systems generally can not adapt to the working condition requirement, can consume energy as usual in the process of running, lead system
Energy Efficiency Ratio it is relatively low.
The content of the invention
It is an object of the invention to provide a kind of intelligent geothermal heat pump unit, it has simple structure, controls flexible, operation
Stabilization, strong adaptability, Energy Efficiency Ratio advantage high, Based Intelligent Control can be realized using the present invention according to outdoor environment temperature, to reach
Energy-saving purpose.
To solve, geothermal heat pump air-conditioning system of the prior art its heat exchange efficiency for existing is low, Energy Efficiency Ratio is low, stability
Difference, bad adaptability, and it is unfavorable for realizing the problem of Based Intelligent Control, the invention provides a kind of intelligent geothermal heat pump unit, bag
Include heat pump unit, source pipe laying unit and end plate type heat exchanger, the heat pump unit includes compressor, four-way reversing valve, the
One water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, the first water cooling heat exchanger and the second water cooling heat exchanger
In be equipped with first medium passage and second medium passage, exhaust outlet and the air entry correspondence of compressor and the pipe of four-way reversing valve
Mouthfuls four and the mouth of pipe two connect, the mouth of pipe three of four-way reversing valve, the first medium passage of the first water cooling heat exchanger, air cooling heat exchanger,
The mouth of pipe one of expansion valve, the first medium passage of the second water cooling heat exchanger and four-way reversing valve joins end to end successively, air-cooled heat exchange
The side of device is provided with radiator fan；First circulation pump is provided with the pipe laying unit of described ground source, and is managed by the first pipeline and second
Road correspondence connects and composes the first heat exchange circulation loop with the two-port of second medium passage in the first water cooling heat exchanger；Second water
The two-port correspondence of second medium passage changes formula heat exchanger by the 3rd pipeline and the 4th pipeline with end plate in cold heat exchanger
Primary side two-port connects and composes the second heat exchange circulation loop, and second circulation pump is provided with the second heat exchange circulation loop；End
The secondary side two-port that end plate changes formula heat exchanger is used to be connected with water installations with end by pipeline.
Further, a kind of intelligent geothermal heat pump unit of the invention, wherein, it is right on first pipeline and the second pipeline
The first valve and the second valve should be provided with.
Further, a kind of intelligent geothermal heat pump unit of the invention, wherein, the end plate changes formula heat exchanger once
Side two-port is also connected by the 5th pipeline and the 6th pipeline correspondence with the first pipeline and the second pipeline, and the 5th pipeline and first is managed
The tie point on road is between the first valve and ground source pipe laying unit, and the tie point of the 6th pipeline and the second pipeline is in the second valve
Between door and ground source pipe laying unit, the 3rd valve and the 4th valve are correspondingly provided with the 5th pipeline and the 6th pipeline.
Further, a kind of intelligent geothermal heat pump unit of the invention, wherein, first valve, the second valve, the 3rd
Valve and the 4th valve are electronic control valve.
Further, a kind of intelligent geothermal heat pump unit of the invention, wherein, also including control unit, the control list
Unit respectively with compressor, four-way reversing valve, wind-cooling heat dissipating fan, first circulation pump, second circulation pump, the first valve, the second valve
The electrical connection of door, the 3rd valve and the 4th valve.
A kind of intelligent geothermal heat pump unit of the present invention compared with prior art, with advantages below：The present invention is by setting
Put heat pump unit, source pipe laying unit and end plate type heat exchanger, allow heat pump unit specifically include compressor, four-way reversing valve,
First water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, change in the first water cooling heat exchanger and the second water-cooled
First medium passage and second medium passage are equipped with hot device, and allow exhaust outlet and the air entry correspondence of compressor to be changed with four-way
Connected to the mouth of pipe four and the mouth of pipe two of valve, allow the mouth of pipe three, the first medium passage of the first water cooling heat exchanger, the wind of four-way reversing valve
The mouth of pipe one of cold heat exchanger, expansion valve, the first medium passage of the second water cooling heat exchanger and four-way reversing valve joins end to end successively,
In the side of air cooling heat exchanger, radiator fan is set.First circulation pump is set in the pipe laying unit of ground source, and by the first pipeline
The first heat exchange circulation is connected and composed with the second pipeline correspondence and the two-port of second medium passage in the first water cooling heat exchanger to return
Road.The two-port correspondence of second medium passage in the second water cooling heat exchanger is allowed to be changed with end plate by the 3rd pipeline and the 4th pipeline
The primary side two-port of formula heat exchanger connects and composes the second heat exchange circulation loop, and is set in the second heat exchange circulation loop
Second circulation pump.The secondary side two-port for allowing end plate to change formula heat exchanger is connected with end by pipeline with water installations in use
Connect.Thus just constitute a kind of simple structure, control flexible, stable, strong adaptability, Energy Efficiency Ratio intelligent ground source heat high
Pump assembly.In actual applications, the present invention is by allowing exhaust outlet and the air entry correspondence and the mouth of pipe of four-way reversing valve of compressor
Four and the mouth of pipe two connect, allow the mouth of pipe three of four-way reversing valve, the first medium passage of the first water cooling heat exchanger, air cooling heat exchanger,
The mouth of pipe one of expansion valve, the first medium passage of the second water cooling heat exchanger and four-way reversing valve joins end to end successively, to constitute heat
Pumping system.In the process of running, the water cooling heat exchanger of use first of selectivity or air-cooled can be changed according to outdoor environment temperature situation
Hot device provides the cool-heat-exchanger of heat pump operation, to absorb the cold and hot amount in ground source or air, and is changed in the second water-cooled
The side of unit allocation is enhanced for end water installations provide the cold and hot amount for needing by the second heat exchange circulation loop at hot device
Just flexibility and environmental suitability, and unit can be allowed to realize intelligent operation according to outdoor environment temperature by control system.Especially
Be summer outdoor environment temperature is higher or during relatively low winter outdoor environment temperature, the present invention can by allow ground source pipe laying unit and
Radiator fan runs simultaneously, the requirement big to meet heat exchange amount, and is avoided that ground source temperature lifts or reduces excessive influence and changes
The problem of the thermal efficiency, it is ensured that the performance and operation stability of unit.And when outdoor environment temperature is relatively low in the winter time, due to air-cooled
The heat exchange efficiency of heat exchanger is relatively low, and the present invention is followed by the first heat exchange that ground source pipe laying unit and the first water cooling heat exchanger are constituted
Loop back path carries out refrigerant heat exchanger, it can be ensured that unit stable operation under worst cold case.As prioritization scheme, the end that also allows of the invention
The primary side two-port that end plate changes formula heat exchanger is connected by the 5th pipeline and the 6th pipeline correspondence with the first pipeline and the second pipeline
Connect, allow the tie point of the 5th pipeline and the first pipeline to be between the first valve and ground source pipe laying unit, allow the 6th pipeline and the
The tie point of two pipelines is between the second valve and ground source pipe laying unit, and is correspondingly provided with the 5th pipeline and the 6th pipeline
3rd valve and the 4th valve.This structure setting in season in spring and autumn or moderate outdoor environment temperature, by allowing heat pump unit
It is out of service, and pass through to control corresponding valve to allow ground source pipe laying unit by the first pipeline, the second pipeline and corresponding the
Five pipelines and the 6th pipeline provide the cold and hot amount of needs for end water installations, are capable of achieving significant energy-saving effect, and improve machine
The overall Energy Efficiency Ratio of group, practicality is stronger.
Shown specific embodiment is made further in detail to a kind of intelligent geothermal heat pump unit of the invention below in conjunction with the accompanying drawings
Describe in detail bright：
Brief description of the drawings
Fig. 1 is a kind of refrigeration mode schematic diagram of intelligent geothermal heat pump unit of the invention；
Fig. 2 is a kind of heating mode schematic diagram of intelligent geothermal heat pump unit of the invention.
Specific embodiment
The schematic diagram of the specific embodiment of a kind of intelligent geothermal heat pump unit of the invention as depicted in figs. 1 and 2, including
Heat pump unit 1, source pipe laying unit 2 and end plate type heat exchanger 3.Heat pump unit 1 specifically includes compressor 11, four-way reversing valve
12nd, the first water cooling heat exchanger 13, air cooling heat exchanger 14, the water cooling heat exchanger 16 of expansion valve 15 and second, the first water cooling heat exchanger 13
With first medium passage and second medium passage are equipped with the second water cooling heat exchanger 16, allow the exhaust outlet and air-breathing of compressor 11
Mouth correspondence is connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve 12, to realize refrigeration and heating mode conversion, allows four-way to change
To the mouth of pipe three of valve 12, the first medium passage of the first water cooling heat exchanger 13, air cooling heat exchanger 14, expansion valve 15, the second water-cooled
The first medium passage of heat exchanger 16 and the mouth of pipe one of four-way reversing valve 12 join end to end successively, and the one of air cooling heat exchanger 14
Side sets radiator fan 17.First circulation pump 21 is set in ground source pipe laying unit 2, and allows ground source pipe laying unit 2 by first
The correspondence of 4 and second pipeline of pipeline 5 connects and composes the first heat and hands over the two-port of second medium passage in the first water cooling heat exchanger 13
Change circulation loop.Allow second medium passage in the second water cooling heat exchanger 16 two-port correspondence by the 3rd pipeline 6 and the 4th pipe
The primary side two-port that formula heat exchanger 3 is changed in road 7 with end plate connects and composes the second heat exchange circulation loop, and in the second heat exchange
Second circulation pump 61 is set in circulation loop.The secondary side two-port for allowing end plate to change formula heat exchanger 3 passes through pipeline in use
It is connected with water installations with end, cold and hot to use water for it is provided.
A kind of simple structure is just constituted by above structure setting, flexible, stable, strong adaptability, efficiency is controlled
Than intelligent geothermal heat pump unit high.In actual applications, the present invention is by allowing the exhaust outlet and air entry pair of compressor 11
Should be connected with the mouth of pipe four of four-way reversing valve 12 and the mouth of pipe two, allow the mouth of pipe three, first water cooling heat exchanger 13 of four-way reversing valve 12
First medium passage, air cooling heat exchanger 14, expansion valve 15, the first medium passage of the second water cooling heat exchanger 16 and four-way commutation
As soon as the mouth of pipe of valve 12 joins end to end successively, heat pump is constituted.In the process of running, can be according to outdoor environment temperature feelings
Condition, the selective cool-heat-exchanger for using the first water cooling heat exchanger 13 or air cooling heat exchanger 14 to be run as heat pump, with
The cold and hot amount in ground source or air is absorbed, and by the second heat exchange circulation loop for end is used at the second water cooling heat exchanger 16
Water installations provide the cold and hot amount for needing, and enhance the convenient, flexible property and environmental suitability of unit allocation, and can be by controlling system
System allows unit to realize intelligent operation according to outdoor environment temperature.Particularly summer outdoor environment temperature is higher or winter room outside ring
When border temperature is relatively low, the present invention by allowing source pipe laying unit 2 and radiator fan 17 can run simultaneously, big to meet heat exchange amount
It is required that, and be avoided that ground source temperature lifting or reduce the problem of excessive influence heat exchange efficiency, it is ensured that the performance and fortune of unit
Row stability.And when outdoor environment temperature is relatively low in the winter time, because the heat exchange efficiency of air cooling heat exchanger 14 is relatively low, the present invention passes through
The first heat exchange circulation loop that ground source pipe laying unit 2 and the first water cooling heat exchanger 13 are constituted carries out refrigerant heat exchanger, it can be ensured that
Unit stable operation under worst cold case.It is pointed out that end water installations described in text refers mainly to conditioned water device,
But not limited to this, intelligent geothermal heat pump unit of the present invention is equally applicable to provide cold and hot for other kinds of end water installations
Use water.
Used as prioritization scheme, to improve the convenient, flexible property of control, this specific embodiment is in the first pipeline 4 and the second pipe
The first valve 41 and the second valve 51 are correspondingly arranged on road 5, ground source can have been made by cutting off the first valve 41 and the second valve 51
Pipe laying unit 2 stops providing cold and hot amount to the first water cooling heat exchanger 13.Meanwhile, this specific embodiment also allows the end plate formula of changing to be changed
The primary side two-port of hot device 3 is connected by the 5th pipeline 8 and the correspondence of the 6th pipeline 9 with the first pipeline 4 and the second pipeline 5, is allowed
The tie point of the 5th pipeline 8 and the first pipeline 4 is between the first valve 41 and ground source pipe laying unit 2, allows the 6th pipeline 9 and the
The tie point of two pipelines 5 is between the second valve 51 and ground source pipe laying unit 2, and right on the 5th pipeline 8 and the 6th pipeline 9
3rd valve 81 and the 4th valve 91 should be set.This structure setting passes through in season in spring and autumn or moderate outdoor environment temperature
Make heat pump unit out of service, and pass through to control corresponding valve allow ground source pipe laying unit by the first pipeline, the second pipeline with
And corresponding 5th pipeline and the 6th pipeline provide the cold and hot amount of needs for end water installations, significant energy-conservation effect is capable of achieving
Really, and the overall Energy Efficiency Ratio of unit is improved, further enhancing practicality.
It should be noted that the first valve 41, the second valve 51, the 3rd valve 81 and the in the present invention in actually using
Four valves 91 use electronic control valve, and are provided with and include control unit, and allow control unit to be commutated with compressor 11, four-way respectively
Valve 12, wind-cooling heat dissipating fan 17, first circulation pump 21, second circulation pump 61, the first valve 41, the second valve 51, the 3rd valve
81 and the 4th valve 91 electrically connect, to realize Based Intelligent Control.
For help it will be understood by those skilled in the art that the present invention, below to a kind of intelligent geothermal heat pump unit of the invention
Operation and control process make schematic illustration.
Cooling in summer pattern：
According to outdoor environment temperature situation, selectivity enables ground source pipe laying unit 2 or radiator fan 17, now the first water
Cold heat exchanger 13 and air cooling heat exchanger 14 are used as the condenser of heat pump unit 1, and the second water cooling heat exchanger 16 is used as heat pump
The evaporator of unit 1 is used, and compressor 11 is vented by four-way reversing valve 12 successively through the first water cooling heat exchanger 13, air cooling heat exchanger
14th, the water cooling heat exchanger 16 of expansion valve 15 and second, last refrigerant returns to the suction side of compressor 11 through four-way reversing valve 12.Fortune
During row, when cold-producing medium stream is through the first water cooling heat exchanger 13 and air cooling heat exchanger 14 by condensation to ground source pipe laying unit 2 or
Heat is discharged in air；By evaporating absorption heat when cold-producing medium stream is through the second water cooling heat exchanger 16, and by the second heat exchange
Circulation loop is that end plate type heat exchanger 3 provides cold, and end plate type heat exchanger 3 is that end is used by end water-flow circuit
Water installations provide cold.
When summer, outdoor environment temperature was higher, for avoid because condensing heat-exchange amount greatly caused by ground source temperature lifting it is too big,
The problem of heat exchange efficiency is influenceed, now by allowing source pipe laying unit 2 and radiator fan 17 start the present invention simultaneously, with achievement unit
Divide water-cooling and wind-cooling heat dissipating is carried out simultaneously, it can be ensured that the stability of unit operation.
Winter heating's pattern：
According to outdoor environment temperature situation, the startup ground source pipe laying unit 2 or radiator fan 17 of selectivity, now by four
The logical transformation of reversal valve 12 refrigerant flow direction, allows the first water cooling heat exchanger 13 and air cooling heat exchanger 14 as the evaporation of heat pump unit 1
Device is used, and the second water cooling heat exchanger 16 is used as the condenser of heat pump unit 1, and compressor 11 is vented by four-way reversing valve 12
Successively through the second water cooling heat exchanger 16, expansion valve 15, the water cooling heat exchanger 13 of air cooling heat exchanger 14 and first, last refrigerant is through four
Logical reversal valve 12 returns to the suction side of compressor 11.In running, by cold when cold-producing medium stream is through the second water cooling heat exchanger 16
Solidifying release heat, and be that end plate type heat exchanger 3 provides heat, end plate type heat exchanger 3 by the second heat exchange circulation loop
By end water-flow circuit for end water installations provide heat；Cold-producing medium stream is changed through the water-cooled of air cooling heat exchanger 14 and first
By the heat in evaporating absorption source pipe laying unit 2 or air during hot device 13.
When winter, outdoor environment temperature was relatively low, now because the heat exchange efficiency of air cooling heat exchanger 14 is relatively low, the present invention is logical
Cross and allow ground source pipe laying unit 2 and radiator fan 17 to start simultaneously, ground source pipe laying unit 2 is by the first heat exchange circulation loop the
Refrigerant heat exchanger is carried out at one water cooling heat exchanger 13, it can be ensured that unit stable operation under worst cold case.
When season in spring and autumn or moderate outdoor environment temperature, the present invention makes the first valve by making heat pump unit 1 out of service
The valve 51 of door 41 and second is closed, and allows the 3rd valve 81 and the 4th valve 91 to open, and now allows ground source pipe laying unit 2 by the
One pipeline, the second pipeline and corresponding 5th pipeline and the 6th pipeline are that end plate type heat exchanger 3 provides cold and hot amount, end plate
Formula heat exchanger 3, for end water installations provide the cold and hot amount for needing, is capable of achieving significant energy-conservation by end water-flow circuit
Effect.
Above example is only the description carried out to the preferred embodiment of the present invention, and model not is claimed to the present invention
The restriction enclosed, on the premise of design spirit of the present invention is not departed from, this area engineers and technicians are according to technical side of the invention
The various forms of deformations that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (5)
1. a kind of intelligent geothermal heat pump unit, including heat pump unit (1), source pipe laying unit (2) and end plate type heat exchanger
(3), it is characterised in that the heat pump unit (1) includes compressor (11), four-way reversing valve (12), the first water cooling heat exchanger
(13), air cooling heat exchanger (14), expansion valve (15) and the second water cooling heat exchanger (16), the first water cooling heat exchanger (13) and the second water
First medium passage and second medium passage are equipped with cold heat exchanger (16), the exhaust outlet of compressor (11) is corresponding with air entry
It is connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve (12), the mouth of pipe three of four-way reversing valve (12), the first water cooling heat exchanger
(13) first medium passage, air cooling heat exchanger (14), expansion valve (15), the first medium passage of the second water cooling heat exchanger (16)
The mouth of pipe one with four-way reversing valve (12) joins end to end successively, and the side of air cooling heat exchanger (14) is provided with radiator fan (17)；Institute
State and be provided with ground source pipe laying unit (2) first circulation pump (21), and by the first pipeline (4) and the second pipeline (5) correspondence and the
The two-port of second medium passage connects and composes the first heat exchange circulation loop in one water cooling heat exchanger (13)；Second water-cooled exchanges heat
The two-port correspondence of second medium passage is changed formula and is exchanged heat by the 3rd pipeline (6) and the 4th pipeline (7) with end plate in device (16)
The primary side two-port of device (3) connects and composes the second heat exchange circulation loop, and being provided with second in the second heat exchange circulation loop follows
Ring pump (61)；The secondary side two-port that end plate changes formula heat exchanger (3) is used to be connected with water installations with end by pipeline.
2. according to a kind of intelligent geothermal heat pump unit described in claim 1, it is characterised in that first pipeline (4) and
The first valve (41) and the second valve (51) are correspondingly provided with second pipeline (5).
3. according to a kind of intelligent geothermal heat pump unit described in claim 2, it is characterised in that the end plate changes formula heat exchange
The primary side two-port of device (3) is also by the 5th pipeline (8) and the 6th pipeline (9) correspondence and the first pipeline (4) and the second pipeline
(5) connect, the tie point of the 5th pipeline (8) and the first pipeline (4) be in the first valve (41) and source pipe laying unit (2) it
Between, the tie point of the 6th pipeline (9) and the second pipeline (5) is between the second valve (51) and ground source pipe laying unit (2), and the 5th
The 3rd valve (81) and the 4th valve (91) are correspondingly provided with pipeline (8) and the 6th pipeline (9).
4. according to a kind of intelligent geothermal heat pump unit described in claim 3, it is characterised in that first valve (41),
Second valve (51), the 3rd valve (81) and the 4th valve (91) are electronic control valve.
5. according to a kind of intelligent geothermal heat pump unit described in claim 4, it is characterised in that also including control unit, institute
State control unit respectively with compressor (11), four-way reversing valve (12), wind-cooling heat dissipating fan (17), first circulation pump (21),
The electrical connection of two circulating pumps (61), the first valve (41), the second valve (51), the 3rd valve (81) and the 4th valve (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435992A (en) * | 2017-09-14 | 2017-12-05 | 际高贝卡科技有限公司 | A kind of full each door type air-conditioning system of independent temperature-humidity control |
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