CN209558591U - Evaporate cold space energy double source multi-connected heat pump unit - Google Patents
Evaporate cold space energy double source multi-connected heat pump unit Download PDFInfo
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- CN209558591U CN209558591U CN201822236470.4U CN201822236470U CN209558591U CN 209558591 U CN209558591 U CN 209558591U CN 201822236470 U CN201822236470 U CN 201822236470U CN 209558591 U CN209558591 U CN 209558591U
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Abstract
The utility model discloses a kind of cold space energy double source multi-connected heat pump units of evaporation, including compressor, the first four-way valve, the second four-way valve, First Heat Exchanger, functional module, the second heat exchanger, solar heat exchanger and gas-liquid separator;First four-way valve and the second four-way valve control coolant media circulate between compressor, First Heat Exchanger, the second heat exchanger and solar heat exchanger, the coolant media of heat pump unit can be directly over solar heat exchanger in a heating mode, heating is directly heated by solar energy, for improving the heating efficiency of heat pump unit or providing defrosting function for heat pump unit, heat pump unit is dramatically increased in the application prospect of high latitude cold district;The First Heat Exchanger of the cold space energy double source multi-connected heat pump unit of evaporation of the utility model includes air cooling heat exchanger and evaporation cold heat exchanger simultaneously, and the comprehensive heat exchange mode used of this air-cooled and water cooling can significantly improve the refrigerating efficiency of heat pump unit.
Description
Technical field
The utility model relates to air-cooled heat pump field more particularly to a kind of cold space energy double source multi-connected heat pump units of evaporation.
Background technique
Air-conditioning has the history of upper a century from being born so far, and the type of air-conditioning is more and more, empty from initial single refrigeration
It is transferred to both cooling and heating heat pump and arrives gradually universal low form heat pump again, air-conditioning technical is constantly developing always.User is to air-conditioning
Demand influenced by use environment always, low latitudes hot throughout the year generally only need refrigeration air-conditioner, high latitude area
Then generally expectation air-conditioning has outstanding heat-production functions.
Air-cooled heat pump is using ambient outdoor air as cold and heat source, due to using special air cooling fin heat exchanger to reality
Evaporation and condensation two-way function are showed, air-cooled heat pump changes in temperature are dual-purpose to realize, and the water chiller compared with simple function extends
Use scope is more suitable for using region that is cold, warm while having demand.However, air-cooled heat pump is under cooling condition, compared with water cooling unit
Group low efficiency 30% or so, it is whole to make although air injection enthalpy-increasing technology solves the problems, such as that low temperature cannot heat under heating condition
The thermal efficiency is lower, is especially lower than 1.5 in -15 DEG C or less efficiency COP.Therefore, how simultaneously improve multi-connected heat pump unit refrigeration with
The efficiency of heating, so that the enhancing of heat pump unit overall efficiency be made to be this field scientific research personnel's main direction.
Utility model content
The technical problems to be solved in the utility model is that heliotechnics is added in multi-connected heat pump unit and evaporates cold change
Thermal technology improves the heating efficiency and refrigerating efficiency of heat pump unit.
In order to solve the above technical problems, the technical solution adopted by the utility model is: a kind of cold space energy double source of evaporation is more
Join heat pump unit, comprising:
Compressor, compressor have outflow port and the first refluxing opening;
First four-way valve, the first four-way valve have tetra- interfaces of a, b, c, d, the outflow port of d interface connect compressor, a, b,
C, the conducting two-by-two that tetra- interfaces of d can be controlled;
Second four-way valve, the second four-way valve have tetra- interfaces of e, f, g, h, the b interface connection the two or four of the first four-way valve
The h interface of port valve, the c interface of the first four-way valve connect the f interface of the second four-way valve;E, tetra- interfaces of f, g, h can be controlled
It is connected two-by-two;
First Heat Exchanger, First Heat Exchanger have R, S interface, and the e that the R interface of First Heat Exchanger connects the second four-way valve connects
Mouthful;
Functional module, functional module is mainly used for that the refrigerant in heat pump is dried or other are handled, functional module
With U, V interface, the u interface of functional module, First Heat Exchanger are connected to after S interface the first solenoid valve of connection of First Heat Exchanger
S interface connection second solenoid valve after be connected to the V interface of functional module;The u interface of functional module is sequentially connected third electromagnetism
Valve, solar heat exchanger, the first check valve and the first four-way valve a interface;
Second heat exchanger, the second heat exchanger have X, Y interface, and the V interface of functional module is connected to by the 4th solenoid valve
The Y interface of the X interface of second heat exchanger, the second heat exchanger is connected to the g interface of the second four-way valve;
Gas-liquid separator, the b interface of the first four-way valve are sequentially connected the first refluxing opening of gas-liquid separator and compressor.
The double-source heat pump unit of the utility model, First Heat Exchanger are typically used as outdoor heat exchanger, and the second heat exchanger is general
As indoor heat exchanger, solar heat exchanger accesses heat pump unit by the first four-way valve.In cooling mode, solar heat-exchange
Valve on device pipeline is closed, and heat pump unit is normally freezed.In a heating mode, heat pump unit can be allowed cold by valve control
Medium flows through solar heat exchanger or First Heat Exchanger, and solar heat exchanger and First Heat Exchanger can be used as the heat of heating
Source.
The heating capacity of heat pump unit in order to further increase, the utility model increase air injection enthalpy-increasing skill in heat pump unit
Art, the compressor are air injection enthalpy-increasing compressor, and air injection enthalpy-increasing compressor has outflow port, the first refluxing opening and the second reflux
Mouthful, the functional module include second one-way valve, third check valve, the 4th check valve, the 5th check valve, fluid reservoir, drier,
5th solenoid valve, the first electric expansion valve, economizer and the second electric expansion valve;
It is swollen that the u interface of functional module is sequentially connected second one-way valve, fluid reservoir, drier, the 5th solenoid valve, the first electronics
Swollen valve, economizer, the second electric expansion valve, third check valve and V interface;
V interface connects fluid reservoir by the 4th check valve;
Second electric expansion valve connects u interface by the 5th check valve;
Drier connects economizer;
Economizer is connected to the second refluxing opening of compressor.
Wherein, functional module can also be another form: the functional module includes that second one-way valve, third are unidirectional
Valve, the 4th check valve, the 5th check valve, fluid reservoir, drier and third electric expansion valve;
The u interface of functional module is sequentially connected second one-way valve, fluid reservoir, drier, third electric expansion valve, third list
To valve and V interface;
V interface connects fluid reservoir by the 4th check valve;
Third electric expansion valve connects u interface by the 5th check valve.
Further, First Heat Exchanger can be a kind of heat exchanger of multi-connected machine form, and the First Heat Exchanger includes wind
Cold heat exchanger, the first blower, evaporation cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected the 6th solenoid valve, air cooling heat exchanger and S interface;
Evaporation cold heat exchanger accesses the 6th solenoid valve both ends after connecting with the 7th solenoid valve.
Another form of First Heat Exchanger is: the First Heat Exchanger includes air cooling heat exchanger, the first blower, evaporation
Cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected the 6th solenoid valve, air cooling heat exchanger and S interface;
The R interface of First Heat Exchanger is sequentially connected the 7th solenoid valve, evaporation cold heat exchanger and S interface.
Another form of First Heat Exchanger is: the First Heat Exchanger includes air cooling heat exchanger, the first blower, evaporation
Cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected air cooling heat exchanger, the 6th solenoid valve and S interface;
Evaporation cold heat exchanger accesses the 6th solenoid valve both ends after connecting with the 7th solenoid valve.
Another form of First Heat Exchanger is: the First Heat Exchanger includes air cooling heat exchanger, the first blower, evaporation
Cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected evaporation cold heat exchanger, the 7th solenoid valve and S interface;
The 7th solenoid valve both ends are accessed after 6th solenoid valve and air cooling heat exchanger series connection.
Further, the spray assemblies include spray water tank, feeding spraying pump and nozzle, and feeding spraying pump will be in spray water tank
Cooling water evaporation cold heat exchanger is sprayed to by nozzle.
A kind of form of second heat exchanger is: second heat exchanger includes heat exchanger body and the second blower, the second wind
Machine causes air flow through the surface of heat exchanger body, and this second heat exchanger is generally directly used in indoor unit, provides for interior cold and hot
Wind.
Another form of second heat exchanger is: second heat exchanger includes heat exchanger body and water circulation system,
Water circulation system makes water flow through the surface of heat exchanger body, and this second heat exchanger changes room temperature by recirculated water.
The utility model has the advantages that the cold space energy double source multi-connected heat pump unit of the evaporation of (1) the utility model is provided with solar heat-exchange
Device, the coolant media of heat pump unit can be directly over solar heat exchanger in a heating mode, directly heat liter by solar energy
Temperature dramatically increases heat pump unit in height for improving the heating efficiency of heat pump unit or providing defrosting function for heat pump unit
The application prospect of latitude cold district.(2) the first heat exchange of the cold space energy double source multi-connected heat pump unit of evaporation of the utility model
Device includes air cooling heat exchanger and evaporation cold heat exchanger, and the comprehensive heat exchange mode used of this air-cooled and water cooling can significantly improve heat
The refrigerating efficiency of pump assembly.(3) the cold space energy double source multi-connected heat pump unit of the evaporation of the utility model has used air injection enthalpy-increasing skill
Art further increases heat pump unit in the heating capacity of cold district.
Detailed description of the invention
Fig. 1 is 1 heat pump unit structural schematic diagram of embodiment.
Fig. 2 is 1 heat pump unit refrigeration mode flow chart of embodiment.
Fig. 3 is 1 heat pump unit heating mode flow chart (one) of embodiment.
Fig. 4 be 1 heat pump unit heating mode flow chart of embodiment (secondly).
Fig. 5 is 1 heat pump unit defrost pattern flow chart (one) of embodiment.
Fig. 6 be 1 heat pump unit defrost pattern flow chart of embodiment (secondly).
Fig. 7 is 2 heat pump unit structural schematic diagram of embodiment.
Fig. 8 is 3 heat pump unit structural schematic diagram of embodiment.
Fig. 9 is 4 heat pump unit structural schematic diagram of embodiment.
Figure 10 is 5 heat pump unit structural schematic diagram of embodiment.
Figure 11 is 6 heat pump unit structural schematic diagram of embodiment.
Figure 12 is 7 heat pump unit structural schematic diagram of embodiment.
Wherein: 1, compressor;101, outflow port;102, the first refluxing opening;103, the second refluxing opening;2, the first four-way valve;
3, the second four-way valve;4, First Heat Exchanger;401, air cooling heat exchanger;402, the first blower;403, cold heat exchanger is evaporated;404,
Six solenoid valves;405, the 7th solenoid valve;406, spray water tank;407, feeding spraying pump;408, nozzle;5, functional module;501,
Two check valves;502, third check valve;503, the 4th check valve;504, the 5th check valve;505, fluid reservoir;506, drier;
507, the 5th solenoid valve;508, the first electric expansion valve;509, economizer;510, the second electric expansion valve;511, third electronics
Expansion valve;6, the first solenoid valve;7, second solenoid valve;8, third solenoid valve;9, solar heat exchanger;10, the first check valve;
11, the second heat exchanger;1101, heat exchanger body;1102, the second blower;12, the 4th solenoid valve;13, gas-liquid separator.
Specific embodiment
The utility model is described in further detail With reference to embodiment.
Embodiment 1
As shown in Figure 1, the cold space energy double source multi-connected heat pump unit of the evaporation of the present embodiment, comprising:
Compressor 1, the compressor 1 are air injection enthalpy-increasing compressor, and air injection enthalpy-increasing compressor has outflow port 101, first
Refluxing opening 102 and the second refluxing opening 103;
First four-way valve 2, the first four-way valve 2 have tetra- interfaces of a, b, c, d, the outflow port of d interface connect compressor 1
101, a, the conducting two-by-two that tetra- interfaces of b, c, d can be controlled;
Second four-way valve 3, the second four-way valve 3 have tetra- interfaces of e, f, g, h, the b interface connection second of the first four-way valve 2
The h interface of four-way valve 3, the c interface of the first four-way valve 2 connect the f interface of the second four-way valve 3;E, tetra- interfaces of f, g, h can be by
The conducting two-by-two of control;
First Heat Exchanger 4, First Heat Exchanger 4 have R, S interface, and the R interface of First Heat Exchanger 4 connects the second four-way valve 3
E interface;First Heat Exchanger 4 includes air cooling heat exchanger 401, the first blower 402, evaporation cold heat exchanger 403, spray assemblies, the
Six solenoid valves 404 and the 7th solenoid valve 405;First blower 402 causes air flow through the surface of air cooling heat exchanger 401;Spray assemblies
To evaporation 403 surface spraying cooling water of cold heat exchanger;The R interface of First Heat Exchanger 4 is sequentially connected the 6th solenoid valve 404, air-cooled
Heat exchanger 401 and S interface;Evaporation cold heat exchanger 403 accesses 404 both ends of the 6th solenoid valve after connecting with the 7th solenoid valve 405;
Wherein, spray assemblies include spray water tank 406, feeding spraying pump 407 and nozzle 408, and feeding spraying pump 407 is by shower water
Cooling water in case 406 sprays to evaporation cold heat exchanger 403 by nozzle 408;
Functional module 5, functional module 5 have U, V interface, and functional module 5 includes second one-way valve 501, third check valve
502, the 4th check valve 503, the 5th check valve 504, fluid reservoir 505, drier 506, the 5th solenoid valve 507, the first electronics are swollen
Swollen valve 508, economizer 509 and the second electric expansion valve 510;The u interface of functional module 5 is sequentially connected second one-way valve 501, storage
Flow container 505, drier 506, the 5th solenoid valve 507, the first electric expansion valve 508, economizer 509, the second electric expansion valve
510, third check valve 502 and V interface;V interface connects fluid reservoir 505 by the 4th check valve 503;Second electric expansion valve
510 connect u interface by the 5th check valve 504;Drier 506 connects economizer 509;Economizer 509 is connected to compressor 1
Second refluxing opening 103;
The u interface of functional module 5, First Heat Exchanger 4 are connected to after S interface the first solenoid valve 6 of connection of First Heat Exchanger 4
S interface connection second solenoid valve 7 after be connected to the V interface of functional module 5;The u interface of functional module 5 is sequentially connected third electricity
Magnet valve 8, solar heat exchanger 9, the first check valve 10 and the first four-way valve 2 a interface;
Second heat exchanger 11, the second heat exchanger 11 have X, Y interface, and the V interface of functional module 5 passes through the 4th solenoid valve 12
It is connected to the X interface of the second heat exchanger 11, the Y interface of the second heat exchanger 11 is connected to the g interface of the second four-way valve 3;Second changes
Hot device 11 includes heat exchanger body 1101 and the second blower 1102, and the second blower 1102 causes air flow through heat exchanger body 1101
Surface;
Gas-liquid separator 13, the b interface of the first four-way valve 2 are sequentially connected first time of gas-liquid separator 13 and compressor 1
Head piece 102.
There are five types of operating modes for the cold space energy double source multi-connected heat pump unit tool of the evaporation of the present embodiment:
Refrigeration mode:
As shown in Fig. 2, the end c-d of the first four-way valve 2 communicates;The end e-f of second four-way valve 3 communicates, the end g-h communicates;The
One solenoid valve 6, the 4th solenoid valve 12 and the 7th solenoid valve 405 are opened;Second solenoid valve 7, third solenoid valve 8 and the 6th solenoid valve
404 close;5th solenoid valve 507 is lower than set temperature (such as 5 DEG C) Shi Kaiqi;
High pressure gaseous coolant media is sprayed from the outflow port 101 of compressor 1, by the first four-way valve 2 and the two or four
First Heat Exchanger 4 is reached after port valve 3, coolant media is cooled down simultaneously by the effect for evaporating cold heat exchanger 403 and air cooling heat exchanger 401
It liquefies;Liquid refrigerants medium continues through the first solenoid valve 6, second one-way valve 501, fluid reservoir 505 and drier 506,
After dry, coolant media is divided into major loop and secondary circuit: (1) in major loop, coolant media is successively by warp
Ji device 509, the second electric expansion valve 510, third check valve 502, the 4th solenoid valve 12 and the second heat exchanger 11, coolant media exist
Evaporation endothermic in second heat exchanger 11, reaches refrigeration effect, and the coolant media after vaporization passes through the second four-way valve 3, gas-liquid separation
Device 13 and the first refluxing opening 102 for eventually entering into compressor 1;(2) starting of secondary circuit needs to open the 5th solenoid valve 507,
Coolant media successively passes through the 5th solenoid valve 507, the first electric expansion valve 508 and economizer 509 in secondary circuit, then most
Enter the second refluxing opening 103 of compressor 1 eventually, wherein coolant media produces in economizer 509 with the coolant media in major loop
Heat exchange.
The first heating mode:
As shown in figure 3, the end c-d of the first four-way valve 2 communicates;The end f-g of second four-way valve 3 communicates, the end e-h communicates;The
One solenoid valve 6, the 4th solenoid valve 12 and the 7th solenoid valve 405 are opened;Second solenoid valve 7, third solenoid valve 8 and the 6th solenoid valve
404 close;5th solenoid valve 507 is lower than set temperature (such as 5 DEG C) Shi Kaiqi;
High pressure gaseous coolant media is sprayed from the outflow port 101 of compressor 1, by the first four-way valve 2 and the two or four
The second heat exchanger 11 is reached after port valve 3, coolant media liquidation exothermic reaction in the second heat exchanger 11 reaches heating effect;After liquefaction
Coolant media continue through the 4th solenoid valve 12, the 4th check valve 503, fluid reservoir 505 and drier 506, pass through drying
Later, coolant media is divided into major loop and secondary circuit: (1) in major loop, coolant media successively passes through economizer 509,
Two electric expansion valves 510, the 5th check valve 504, the first solenoid valve 6 and First Heat Exchanger 4;The coolant media of liquid is changed air-cooled
Evaporation endothermic in hot device 401 and evaporation cold heat exchanger 403, evaporation cold heat exchanger at this time are used as evaporator;Wherein, it sprays
Component stops working, and does not need to spray water to evaporation cold heat exchanger 403 in heating mode;Coolant media after vaporization passes through second
Four-way valve 3, gas-liquid separator 13 and the first refluxing opening 102 for eventually entering into compressor 1;(2) the starting needs of secondary circuit are opened
The 5th solenoid valve 507 is opened, coolant media successively passes through the 5th solenoid valve 507,508 and of the first electric expansion valve in secondary circuit
Then economizer 509 eventually enters into the second refluxing opening 103 of compressor 1, wherein coolant media in economizer 509 with lead back
Coolant media in road generates heat exchange;
The first heating mode does not use solar heat exchanger 9, generally uses in the insufficient situation of the illumination such as night
The first heating mode.
Second of heating mode:
As shown in figure 4, the end a-b of the first four-way valve 2 communicates, the end c-d is communicated;The end f-g of second four-way valve 3 communicates, g-h
End communicates;Third solenoid valve 8 and the 4th solenoid valve 12 are opened;First solenoid valve 6, second solenoid valve 7,404 and of the 6th solenoid valve
7th solenoid valve 405 is closed;5th solenoid valve 507 is lower than set temperature (such as 5 DEG C) Shi Kaiqi;
High pressure gaseous coolant media is sprayed from the outflow port 101 of compressor 1, by the first four-way valve 2 and the two or four
The second heat exchanger 11 is reached after port valve 3, coolant media liquidation exothermic reaction in the second heat exchanger 11 reaches heating effect;After liquefaction
Coolant media continue through the 4th solenoid valve 12, the 4th check valve 503, fluid reservoir 505 and drier 506, pass through drying
Later, coolant media is divided into major loop and secondary circuit: (1) in major loop, coolant media successively passes through economizer 509,
Two electric expansion valves 510, the 5th check valve 504, third solenoid valve 8 and solar heat exchanger 9;The coolant media of liquid is in the sun
It is evaporated in heat exchanger and absorbs the heat from sunlight;Coolant media after vaporization passes through the first check valve 10, the first four-way
Valve 2, gas-liquid separator 13 and the first refluxing opening 102 for eventually entering into compressor 1;(2) starting of secondary circuit needs to open
Five solenoid valves 507, coolant media successively pass through the 5th solenoid valve 507, the first electric expansion valve 508 and economy in secondary circuit
Then device 509 eventually enters into the second refluxing opening 103 of compressor 1, wherein coolant media is in economizer 509 and in major loop
Coolant media generate heat exchange;
Second of heating mode does not use First Heat Exchanger 4, and coolant media mainly absorbs too in solar heat exchanger 9
Solar heat generally uses second of heating mode in the case where illumination abundance.
The first defrost pattern:
As shown in figure 5, the end c-d, a-b of the first four-way valve 2 communicates;The end f-e of second four-way valve 3 communicates;Second electromagnetism
Valve 7, third solenoid valve 8 and the 7th solenoid valve 405 are opened;First solenoid valve 6, the 4th solenoid valve 12 and the 6th solenoid valve 404 close
It closes;5th solenoid valve 507 is lower than set temperature (such as 5 DEG C) Shi Kaiqi;
High pressure gaseous coolant media is sprayed from the outflow port 101 of compressor 1, by the first four-way valve 2 and the two or four
First Heat Exchanger 4 is reached after port valve 3, coolant media liquidation exothermic reaction in First Heat Exchanger 4 improves the temperature of First Heat Exchanger 4
Degree, achievees the effect that defrost;Wherein, the first blower 402 and spray assemblies stop working, and do not need aweather in defrost pattern
Cold heat exchanger 401 provides air-flow, does not also need to spray water to evaporation cold heat exchanger 403;Coolant media after liquefaction continues through
Two solenoid valves 7, the 4th check valve 503, fluid reservoir 505 and drier 506, after dry, coolant media, which is divided into, to be led back
Road and secondary circuit: (1) in major loop, it is single that coolant media successively passes through economizer 509, the second electric expansion valve the 510, the 5th
To valve 504, third solenoid valve 8 and solar heat exchanger 9;The coolant media of liquid, which is evaporated and absorbed in sun heat exchanger, to be come from
The heat of sunlight;Coolant media after vaporization is simultaneously final by the first check valve 10, the first four-way valve 2, gas-liquid separator 13
Into the first refluxing opening 102 of compressor 1;(2) starting of secondary circuit needs to open the 5th solenoid valve 507, and coolant media exists
Successively pass through the 5th solenoid valve 507, the first electric expansion valve 508 and economizer 509 in secondary circuit, then eventually enters into compression
Second refluxing opening 103 of machine 1, wherein coolant media generates heat exchange with the coolant media in major loop in economizer 509.
Coolant media mainly absorbs sunlight heat in solar heat exchanger 9 in the first defrost pattern, generally in light
The first defrost pattern is used in the case where according to abundance.
Second of defrost pattern:
As shown in fig. 6, the end c-d of the first four-way valve 2 communicates;The end e-f of second four-way valve 3 communicates, and the end g-f communicates;The
One solenoid valve 6, the 4th solenoid valve 12 and the 7th solenoid valve 405 are opened;Second solenoid valve 7, third solenoid valve 8 and the 6th solenoid valve
404 close;5th solenoid valve 507 is lower than set temperature (such as 5 DEG C) Shi Kaiqi;
High pressure gaseous coolant media is sprayed from the outflow port 101 of compressor 1, by the first four-way valve 2 and the two or four
First Heat Exchanger 4 is reached after port valve 3, coolant media liquidation exothermic reaction in First Heat Exchanger 4 improves the temperature of First Heat Exchanger 4
Degree, achievees the effect that defrost;Wherein, the first blower 402 and spray assemblies stop working, and do not need aweather in defrost pattern
Cold heat exchanger 401 provides air-flow, does not also need to spray water to evaporation cold heat exchanger 403;Coolant media after liquefaction continues through
One solenoid valve 6, second one-way valve 501, fluid reservoir 505 and drier 506, after dry, coolant media, which is divided into, to be led back
Road and secondary circuit: (1) in major loop, coolant media successively passes through economizer 509, the second electric expansion valve 510, third list
To valve 502, the 4th solenoid valve 12 and the second heat exchanger 11;The coolant media of liquid evaporation endothermic in the second heat exchanger 11;Vapour
Coolant media after change passes through the second four-way valve 3, gas-liquid separator 13 and the first refluxing opening 102 for eventually entering into compressor 1;
(2) starting of secondary circuit needs to open the 5th solenoid valve 507, and coolant media successively passes through the 5th solenoid valve in secondary circuit
507, then the first electric expansion valve 508 and economizer 509 eventually enter into the second refluxing opening 103 of compressor 1, wherein refrigerant
Medium generates heat exchange with the coolant media in major loop in economizer 509.
Second of defrost pattern is generally used for the situation of the illumination such as night deficiency.
Embodiment 2
As shown in fig. 7, the difference of the present embodiment and embodiment 1 is only in that First Heat Exchanger 4, the of the present embodiment
One heat exchanger 4 includes air cooling heat exchanger 401, the first blower 402, evaporation cold heat exchanger 403, spray assemblies, the 6th solenoid valve 404
With the 7th solenoid valve 405;First blower 402 causes air flow through the surface of air cooling heat exchanger 401;Spray assemblies are to evaporating cold heat exchange
403 surface spraying cooling water of device;The R interface of First Heat Exchanger 4 is sequentially connected the 6th solenoid valve 404, air cooling heat exchanger 401 and S
Interface;The R interface of First Heat Exchanger 4 is sequentially connected the 7th solenoid valve 405, evaporation cold heat exchanger 403 and S interface.Wherein, it sprays
Component includes spray water tank 406, feeding spraying pump 407 and nozzle 408, and feeding spraying pump 407 leads to the cooling water in spray water tank 406
It crosses nozzle 408 and sprays to evaporation cold heat exchanger 403.
Embodiment 3
As shown in figure 8, the difference of the present embodiment and embodiment 1 is only in that First Heat Exchanger 4, the of the present embodiment
One heat exchanger 4 includes air cooling heat exchanger 401, the first blower 402, evaporation cold heat exchanger 403, spray assemblies, the 6th solenoid valve 404
With the 7th solenoid valve 405;First blower 402 causes air flow through the surface of air cooling heat exchanger 401;Spray assemblies are to evaporating cold heat exchange
403 surface spraying cooling water of device;The R interface of First Heat Exchanger 4 is sequentially connected air cooling heat exchanger 401, the 6th solenoid valve 404 and S
Interface;Evaporation cold heat exchanger 403 accesses 404 both ends of the 6th solenoid valve after connecting with the 7th solenoid valve 405.Wherein, spray assemblies
Including spray water tank 406, feeding spraying pump 407 and nozzle 408, the cooling water in spray water tank 406 is passed through spray by feeding spraying pump 407
Mouth 408 sprays to evaporation cold heat exchanger 403.
Embodiment 4
As shown in figure 9, the difference of the present embodiment and embodiment 1 is only in that First Heat Exchanger 4, the of the present embodiment
One heat exchanger 4 includes air cooling heat exchanger 401, the first blower 402, evaporation cold heat exchanger 403, spray assemblies, the 6th solenoid valve 404
With the 7th solenoid valve 405;First blower 402 causes air flow through the surface of air cooling heat exchanger 401;Spray assemblies are to evaporating cold heat exchange
403 surface spraying cooling water of device;The R interface of First Heat Exchanger 4 is sequentially connected evaporation cold heat exchanger 403,405 and of the 7th solenoid valve
S interface;6th solenoid valve 404 and air cooling heat exchanger 401 access 405 both ends of the 7th solenoid valve after connecting.Wherein, spray assemblies packet
Spray water tank 406, feeding spraying pump 407 and nozzle 408 are included, the cooling water in spray water tank 406 is passed through nozzle by feeding spraying pump 407
408 spray to evaporation cold heat exchanger 403.
Embodiment 5
As shown in Figure 10, the difference of the present embodiment and embodiment 1 is only in that the second heat exchanger 11, the present embodiment
Second heat exchanger 11 includes heat exchanger body 1101 and water circulation system, and water circulation system makes water flow through heat exchanger body 1101
Surface, this second heat exchanger 11 change room temperature by recirculated water.
Embodiment 6
As shown in figure 11, the difference of the present embodiment and embodiment 1 is only in that functional module 5, the function of the present embodiment
Can module 5 include second one-way valve 501, third check valve 502, the 4th check valve 503, the 5th check valve 504, fluid reservoir 505,
Drier 506 and third electric expansion valve 511;The u interface of functional module 5 is sequentially connected second one-way valve 501, fluid reservoir
505, drier 506, third electric expansion valve 511, third check valve 502 and V interface;V interface is connected by the 4th check valve 503
Connect fluid reservoir 505;Third electric expansion valve 511 connects u interface by the 5th check valve 504;
Compared to embodiment 1, the functional module 5 of the present embodiment eliminates the relevant circuit of air injection enthalpy-increasing technology.
Embodiment 7
As shown in figure 12, the present embodiment is difference from example 1 is that the second heat exchanger 11 and functional module 5;
Second heat exchanger 11 of the present embodiment includes heat exchanger body 1101 and water circulation system, and water circulation system makes water flow
Surface through heat exchanger body 1101, this second heat exchanger 11 change room temperature by recirculated water;Heat exchanger body
1101 can be arranged in anywhere, and recirculated water (being also possible to other coolant medias) is sent to interior for end by water circulation system
Equipment (such as fan coil, grounding heat coil tube, radiator) uses;
The functional module 5 of the present embodiment includes second one-way valve 501, third check valve 502, the 4th check valve the 503, the 5th
Check valve 504, fluid reservoir 505, drier 506 and third electric expansion valve 511;The u interface of functional module 5 is sequentially connected
Two check valves 501, fluid reservoir 505, drier 506, third electric expansion valve 511, third check valve 502 and V interface;V interface
Fluid reservoir 505 is connected by the 4th check valve 503;Third electric expansion valve 511 connects u interface by the 5th check valve 504.
Although the embodiments of the present invention is illustrated in specification, these embodiments are intended only as mentioning
Show, should not limit the protection scope of the utility model.Various omissions are carried out in the range of not departing from the utility model aims, are set
It changes and change should be included in the protection scope of the utility model.
Claims (10)
1. a kind of cold space energy double source multi-connected heat pump unit of evaporation, characterized by comprising:
Compressor, compressor have outflow port and the first refluxing opening;
First four-way valve, the first four-way valve have tetra- interfaces of a, b, c, d, the outflow port of d interface connect compressor;
Second four-way valve, the second four-way valve have tetra- interfaces of e, f, g, h, and the b interface of the first four-way valve connects the second four-way valve
H interface, the c interface of the first four-way valve connects the f interface of the second four-way valve;
First Heat Exchanger, First Heat Exchanger have R, S interface, and the R interface of First Heat Exchanger connects the e interface of the second four-way valve;
Functional module, functional module are connected to function after there is U, V interface, the S interface of First Heat Exchanger to connect the first solenoid valve
The u interface of module is connected to the V interface of functional module after the S interface connection second solenoid valve of First Heat Exchanger;Functional module
U interface is sequentially connected a interface of third solenoid valve, solar heat exchanger, the first check valve and the first four-way valve;
Second heat exchanger, the second heat exchanger have X, Y interface, and the V interface of functional module is connected to second by the 4th solenoid valve
The Y interface of the X interface of heat exchanger, the second heat exchanger is connected to the g interface of the second four-way valve;
Gas-liquid separator, the b interface of the first four-way valve are sequentially connected the first refluxing opening of gas-liquid separator and compressor.
2. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: the compressor is
Air injection enthalpy-increasing compressor, air injection enthalpy-increasing compressor have outflow port, the first refluxing opening and the second refluxing opening, the Functional Module
Include second one-way valve, third check valve, the 4th check valve, the 5th check valve, fluid reservoir, drier, the 5th solenoid valve, the first electricity
Sub- expansion valve, economizer and the second electric expansion valve;
The u interface of functional module is sequentially connected second one-way valve, fluid reservoir, drier, the 5th solenoid valve, the first electronic expansion
Valve, economizer, the second electric expansion valve, third check valve and V interface;
V interface connects fluid reservoir by the 4th check valve;
Second electric expansion valve connects u interface by the 5th check valve;
Drier connects economizer;
Economizer is connected to the second refluxing opening of compressor.
3. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: the functional module
Including second one-way valve, third check valve, the 4th check valve, the 5th check valve, fluid reservoir, drier and third electronic expansion
Valve;
The u interface of functional module is sequentially connected second one-way valve, fluid reservoir, drier, third electric expansion valve, third check valve
With V interface;
V interface connects fluid reservoir by the 4th check valve;
Third electric expansion valve connects u interface by the 5th check valve.
4. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: first heat exchange
Device includes air cooling heat exchanger, the first blower, evaporation cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected the 6th solenoid valve, air cooling heat exchanger and S interface;
Evaporation cold heat exchanger accesses the 6th solenoid valve both ends after connecting with the 7th solenoid valve.
5. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: first heat exchange
Device includes air cooling heat exchanger, the first blower, evaporation cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected the 6th solenoid valve, air cooling heat exchanger and S interface;
The R interface of First Heat Exchanger is sequentially connected the 7th solenoid valve, evaporation cold heat exchanger and S interface.
6. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: first heat exchange
Device includes air cooling heat exchanger, the first blower, evaporation cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected air cooling heat exchanger, the 6th solenoid valve and S interface;
Evaporation cold heat exchanger accesses the 6th solenoid valve both ends after connecting with the 7th solenoid valve.
7. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: first heat exchange
Device includes air cooling heat exchanger, the first blower, evaporation cold heat exchanger, spray assemblies, the 6th solenoid valve and the 7th solenoid valve;
First blower causes air flow through the surface of air cooling heat exchanger;
Spray assemblies to evaporation cold heat exchanger surface spraying cooling water;
The R interface of First Heat Exchanger is sequentially connected evaporation cold heat exchanger, the 7th solenoid valve and S interface;
The 7th solenoid valve both ends are accessed after 6th solenoid valve and air cooling heat exchanger series connection.
8. according to any cold space energy double source multi-connected heat pump unit of evaporation of claim 4-7, it is characterised in that: the spray
Drenching component includes spray water tank, feeding spraying pump and nozzle, and the cooling water in spray water tank is sprayed to steaming by nozzle by feeding spraying pump
Feel cold heat exchanger.
9. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: second heat exchange
Device includes heat exchanger body and the second blower, and the second blower causes air flow through the surface of heat exchanger body.
10. the cold space energy double source multi-connected heat pump unit of evaporation according to claim 1, it is characterised in that: described second changes
Hot device includes heat exchanger body and water circulation system, and water circulation system makes water flow through the surface of heat exchanger body.
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CN201822236470.4U CN209558591U (en) | 2018-12-28 | 2018-12-28 | Evaporate cold space energy double source multi-connected heat pump unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109579193A (en) * | 2018-12-28 | 2019-04-05 | 瀚润联合高科技发展(北京)有限公司 | Evaporate cold space energy double source multi-connected heat pump unit |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109579193A (en) * | 2018-12-28 | 2019-04-05 | 瀚润联合高科技发展(北京)有限公司 | Evaporate cold space energy double source multi-connected heat pump unit |
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