CN107894117A - It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment - Google Patents
It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment Download PDFInfo
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- CN107894117A CN107894117A CN201711155070.4A CN201711155070A CN107894117A CN 107894117 A CN107894117 A CN 107894117A CN 201711155070 A CN201711155070 A CN 201711155070A CN 107894117 A CN107894117 A CN 107894117A
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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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
- F25B31/00—Compressor arrangements
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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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
- 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
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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
- 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
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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
- F25B2500/00—Problems to be solved
- F25B2500/02—Increasing the heating capacity of a reversible cycle during cold outdoor conditions
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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
- F25B2500/00—Problems to be solved
- F25B2500/08—Exceeding a certain temperature value in a refrigeration component or cycle
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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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Present invention offer is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment, including four-way valve module, compressor, double-tube heat exchanger, compensator, finned heat exchanger, plate changes weld assembly, increasing enthalpy pipe, the four-way valve module is provided with D, C, tetra- interfaces of S and E, the compressor outlet is connected with D interface, the import of the compressor is connected with S interfaces, increasing enthalpy mouth is provided with the right side of the compressor, the increasing enthalpy mouth left end is connected with increasing enthalpy pipe, described finned heat exchanger one end is connected with C interface, weld assembly one end is changed with plate respectively by check valve assembly for the finned heat exchanger other end and compensator is connected, described sleeve pipe heat exchanger one end is connected with E interface, the described sleeve pipe heat exchanger other end is connected with compensator.The present invention is a kind of to be remained able to carry out operation normally and efficiently in 30 DEG C of environment temperatures in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment, has the advantages of increase heating capacity, reduction delivery temperature and increase unit efficiency.
Description
【Technical field】
It is more particularly to a kind of to increase in the low temperature frequency conversion of -30 DEG C of environment the present invention relates to technical field of air-conditioning heat pumps
Enthalpy Air-Cooled Heat Pump Unit.
【Background technology】
Air heat pump is widely used as a kind of energy saver, heat pump summer can provide refrigeration, winter can be with
Heating is provided, it is easy to operate without installing cooling tower, using extensive.
Existing plain edition heat pump, in the area that Xia Redong is cold, because winter outdoor temperature is relatively low, refrigerant is through supercooling
After condenser heat exchange, evaporator is directly flowed back to by throttle part.So as the lifting of condenser temperature, unit performance gradually drop
It is low.Cause the fortune of compressor when environment of the unit in more low temperature, coolant quantity deficiency, pressure ratio because flowing back to compressor are excessive
Turn very fast raising, but heating effect can not be met, base of evaporator easily freezes, and causes chassis ice to block up, and influences system and normally transports
OK.
For above mentioned problem existing for common type, air injection enthalpy-increasing part, refrigerant warp are additionally arranged in existing hot pump in low temp
Cross that condenser is latter to be divided into two, a part by throttle part and heat exchanger components by form primary flow path into evaporator heat absorption steaming
Hair, another part pass through the air injection enthalpy-increasing branch road being made up of another throttle part and heat exchanger components and flow back to compressor, realize tonifying Qi,
, then can not normal operation less than -25 DEG C but the minimum temperature of the operation of existing hot pump in low temp is -25 DEG C.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided it is a kind of can be in the low of -30 DEG C of environment
Warm frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit, using air injection enthalpy-increasing frequency-changeable compressor, increasing enthalpy mouth is set in compressor side, sets master to follow
Ring and the circulation of air injection enthalpy-increasing branch road so that unit remains able to carry out operation normally and efficiently at -30 DEG C, has increase heating
Amount, reduce the advantages of delivery temperature and increase unit efficiency.
To achieve the above object, the present invention propose it is a kind of can be in the air-cooled heat of low temperature frequency conversion increasing enthalpy of -30 DEG C of environment
Pump assembly, including four-way valve module, compressor, motor, fan blade, double-tube heat exchanger, compensator, finned heat exchanger, plate change welding
Component, check valve assembly, increasing enthalpy pipe, described four-way valve module are provided with D interface, C interface, S interfaces, E interface, described compression
The outlet of machine is connected with D interface, and the import of described compressor is connected with S interfaces, and the left side of described compressor is provided with increasing enthalpy
Mouthful, the left end of described increasing enthalpy mouth is connected with one end of increasing enthalpy pipe, and one end of described finned heat exchanger is connected with C interface, institute
The check valve assembly stated includes A interfaces, B interface, and the other end of described finned heat exchanger changes weld assembly by A interfaces and plate
The connection of left side lower end, the right side upper end that described plate changes weld assembly is connected with the other end of increasing enthalpy pipe, and described plate changes weldering
The left side upper end of connected components is connected by one end of B interface and compensator, and one end and the E interface of described double-tube heat exchanger connect
Connect, the other end of described double-tube heat exchanger and the other end of compensator connect, and the right side of described compressor is provided with fan blade, institute
The fan blade and motor connection stated.
Preferably, the right side of described four-way valve module is provided with gas-liquid separator, described gas-liquid separator and S interfaces
Connection, by gas-liquid separation, the gas isolated enters compressor and carries out kind of refrigeration cycle gas-liquid separator.
Preferably, described plate, which changes, is provided with filter between weld assembly and check valve assembly, described filter position
In the right side of fan blade, filter is filtered the impurity in gas, prevents impurity from entering in device.
Preferably, described compressor is frequency-changeable compressor, the increasing enthalpy mouth of described compressor is located at compressor inlet
Upper end, described compressor outlet is located at the upper end of increasing enthalpy mouth.
Preferably, described double-tube heat exchanger is five sets of tube exchangers, described five sets of tube exchangers includes first set
Heat exchange of heat pipe, the second double-tube heat exchanger, the 3rd double-tube heat exchanger, Quadruplet pipe heat exchanger and five sets of tube exchangers, it is described
Both ends per double-tube heat exchanger are equipped with outlet and import, described first sleeve heat exchanger are connected with E interface, and the described the 5th
Double-tube heat exchanger is connected with compensator.
Preferably, described plate, which changes weld assembly, includes radiating tube and several plates, described adjacent two plates
Between form heat exchanger channels, described heat exchanger channels are rectangle, and described plate is fixed by welding on radiating tube, described
The right side of radiating tube is provided with electric expansion valve.
Preferably, described plate is changed between weld assembly and compressor, between compressor and D interface, compressor and C connect
Air-returning pipe component is equipped between mouthful, described air-returning pipe component is provided with temperature-sensitive bag, and change of the temperature-sensitive bag to temperature is surveyed
Amount, the temperature measured send signal to device, and device makes corresponding measure.
Beneficial effects of the present invention：The present invention uses air injection enthalpy-increasing frequency-changeable compressor, and increasing enthalpy mouth is provided with compressor side,
Major cycle and the circulation of air injection enthalpy-increasing branch road are set so that unit remains able to carry out normally and efficiently under -30 DEG C of environment temperature
Operation, increasing enthalpy can play increase heating capacity when environment temperature is low, reduce delivery temperature and increase unit efficiency
Effect, extend the service life of compressor.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 be the present invention it is a kind of can be in the system principle of the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment
Figure；
Fig. 2 be the present invention it is a kind of can be in the top view of the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment；
Fig. 3 be the present invention it is a kind of can be in the right view of the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment；
Fig. 4 be the present invention it is a kind of can be in the upward view of the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment.
In figure：1- four-ways valve module, 2- compressors, 3- motors, 4- fan blades, 5- double-tube heat exchangers, 6- compensators, 7- fins
Heat exchanger, 8- plates change weld assembly, 9- check valve assemblies, 10- increasing enthalpies pipe, 11-D interfaces, 12-C interfaces, 13-S interfaces, 14-E
Interface, 15- gas-liquid separators, 16- air-returning pipe components, 17- filters, 21- increasing enthalpies mouth, 91-A interfaces, 92-B interfaces, 51-
A set of heat exchange of heat pipe, the double-tube heat exchangers of 52- second, the double-tube heat exchangers of 53- the 3rd, 54- Quadruplet pipes heat exchanger, the 5th set of 55-
Heat exchange of heat pipe, 81- radiating tubes, 82- plates.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away
Exempt from unnecessarily to obscure idea of the invention.
As shown in Figures 1 to 4, present invention offer is a kind of can be in the low temperature frequency conversion increasing enthalpy air-cooled heat pump of -30 DEG C of environment
Unit, including four-way valve module 1, compressor 2, motor 3, fan blade 4, double-tube heat exchanger 5, compensator 6, finned heat exchanger 7, plate change
Weld assembly 8, check valve assembly 9, increasing enthalpy pipe 10, described four-way valve module 1 are provided with D interface 11, C interface 12, S interfaces 13, E
Interface 14, the outlet of described compressor 2 are connected with D interface 11, and the import of described compressor 2 is connected with S interfaces 13, described
The left side of compressor 2 be provided with increasing enthalpy mouth 21, the left end of described increasing enthalpy mouth 21 is connected with one end of increasing enthalpy pipe 10, described wing
One end of piece heat exchanger 7 is connected with C interface 12, and described check valve assembly 9 includes A interfaces 91, B interface 92, described fin
The left side lower end that the other end of heat exchanger 7 changes weld assembly 8 by A interfaces 91 with plate is connected, and described plate changes weld assembly 8
Right side upper end is connected with the other end of increasing enthalpy pipe 10, and the left side upper end that described plate changes weld assembly 8 passes through B interface 92 and balance
One end connection of tank 6, one end of described double-tube heat exchanger 5 are connected with E interface 14, the other end of described double-tube heat exchanger 5
It is connected with the other end of compensator 6, the right side of described compressor 2 is provided with fan blade 4, and described fan blade 4 is connected with motor 3；Institute
The right side for the four-way valve module 1 stated is provided with gas-liquid separator 15, and described gas-liquid separator 15 is connected with S interfaces 13, gas-liquid point
From device 15 by gas-liquid separation, the gas isolated enters compressor and carries out kind of refrigeration cycle；Described plate change weld assembly 8 with it is unidirectional
Filter 17 is provided between valve module 9, described filter 17 is located at the right side of fan blade 4, and filter enters the impurity in gas
Row filtering, prevents impurity from entering in device；Described compressor 2 is frequency-changeable compressor, 21, the increasing enthalpy mouth of described compressor 2
In the upper end of the import of compressor 2, the outlet of described compressor 2 is positioned at the upper end of increasing enthalpy mouth 21；First sleeve heat exchanger 51, second
Double-tube heat exchanger 52, the 3rd double-tube heat exchanger 53, Quadruplet pipe heat exchanger 54 and five sets of tube exchangers 55, described every sleeve pipe
The both ends of heat exchanger are equipped with outlet and import, described first sleeve heat exchanger 51 are connected with E interface 14, the described the 5th set
Heat exchange of heat pipe 55 is connected with compensator 6；Described plate, which changes weld assembly 8, includes radiating tube 81 and several plates 82, described
Heat exchanger channels are formed between adjacent two plates 82, described heat exchanger channels are rectangle, and described plate 82 is by being welded and fixed
On radiating tube 81, the right side of described radiating tube 81 is provided with electric expansion valve 83；Described plate changes weld assembly 8 and compressor
Between 2, between compressor 2 and D interface 11, air-returning pipe component 16, described return-air are equipped between compressor 2 and C interface 12
Tube assembly 16 is provided with temperature-sensitive bag, and change of the temperature-sensitive bag to temperature measures, and the temperature measured sends signal, device to device
Part makes corresponding measure.
The course of work of the present invention：
The present invention it is a kind of can -30 DEG C of environment low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit in the course of the work, machine
Group circulates provided with major cycle and air injection enthalpy-increasing branch road, on the one hand, the gas of low-temp low-pressure enters in compressor 2 in major cycle, warp
Compressor 2 is compressed into the gas of HTHP through D interface 11 and through the sleeve pipe heat exchanger 5 of E interface 14, respectively by first set
Heat exchange of heat pipe 51, the second double-tube heat exchanger 52, the 3rd double-tube heat exchanger 53, Quadruplet pipe heat exchanger 54 and five sets of tube exchangers
55 entrance carries out heat exchange, the cooled liquid refrigerants for forming cryogenic high pressure of gas of HTHP, while high temperature with outflow
The gas liberated heat of high pressure is used for the current in heating muff heat exchanger 5, water heating is become hot water；The liquid of cryogenic high pressure
State refrigerant flows into the liquid refrigerants that compensator 6 carries out the pressure balance formation low-temperature atmosphere-pressure of liquid, the liquid refrigerants of low-temperature atmosphere-pressure
Weld assembly 8 is changed into plate by the B interface 92 of check valve assembly 9, low-temp low-pressure is formed by the effect of electric expansion valve
Liquid refrigerants, the liquid refrigerants of low-temp low-pressure is after the filtering of filter 17, by the effect of motor 3 and fan blade 4, by unidirectional
The A interfaces 91 of valve module 9 enter in finned heat exchanger 7, and itself steams after the heat in the liquid refrigerants absorption air of low-temp low-pressure
Hair, becomes the gaseous coolant of low-temp low-pressure, and it is complete that the gaseous coolant of low-temp low-pressure by C interface 12 and S interfaces 13 returns to compressor 2
Into major cycle；On the other hand, flowing through plate in refrigerant and change the latter bifurcated road of weld assembly 8, a branch road is above-mentioned major cycle,
Another branch road circulates for air injection enthalpy-increasing branch road, and refrigerant flows through the liquid refrigerants that plate changes formation low-temp low-pressure after weld assembly 8, passes through
Changed in plate on weld assembly 8 and set up bypass, the liquid refrigerants of low-temp low-pressure is throttled, the liquid of the low-temp low-pressure after throttling
Refrigerant enters the evaporation side that the plate of increasing enthalpy pipeline 10 is changed on weld assembly 8 and is evaporated the gas that heat absorption forms low-temp low-pressure, makes master
The liquid supercooling of circulation, then compressor 2 is entered by increasing enthalpy pipeline 10, the circulation of air injection enthalpy-increasing branch road is completed, slows down compressor 2
The power of operation, second-compressed is carried out, protect the service life of compressor 2 so that so that unit remains able to carry out at -30 DEG C
Operation normally and efficiently, reduce delivery temperature and increase the effect of unit efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, it is characterised in that：Including four-way valve group
Part (1), compressor (2), motor (3), fan blade (4), double-tube heat exchanger (5), compensator (6), finned heat exchanger (7), plate change weldering
Connected components (8), check valve assembly (9), increasing enthalpy pipe (10), described four-way valve module (1) are provided with D interface (11), C interface
(12), S interfaces (13), E interface (14), the outlet of described compressor (2) are connected with D interface (11), described compressor (2)
Import be connected with S interfaces (13), the left side of described compressor (2) is provided with increasing enthalpy mouth (21), described increasing enthalpy mouth (21)
Left end is connected with the one end of increasing enthalpy pipe (10), and one end of described finned heat exchanger (7) is connected with C interface (12), described list
Include A interfaces (91), B interface (92) to valve module (9), the other end of described finned heat exchanger (7) by A interfaces (91) with
Plate changes the left side lower end connection of weld assembly (8), and described plate changes the another of the right side upper end of weld assembly (8) and increasing enthalpy pipe (10)
One end is connected, and the left side upper end that described plate changes weld assembly (8) is connected by B interface (92) with one end of compensator (6), institute
The one end for the double-tube heat exchanger (5) stated is connected with E interface (14), the other end and the compensator (6) of described double-tube heat exchanger (5)
Other end connection, the right side of described compressor (2) is provided with fan blade (4), and described fan blade (4) is connected with motor (3).
2. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：The right side of described four-way valve module (1) is provided with gas-liquid separator (15), described gas-liquid separator (15) and S interfaces
(13) connect.
3. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：Described plate, which changes, is provided with filter (17), described filter (17) between weld assembly (8) and check valve assembly (9)
Positioned at the right side of fan blade (4).
4. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：Described compressor (2) is frequency-changeable compressor, and the increasing enthalpy mouth (21) of described compressor (2) is located at compressor (2) import
Upper end, described compressor (2) outlet positioned at increasing enthalpy mouth (21) upper end.
5. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：Described double-tube heat exchanger (5) includes first sleeve heat exchanger (51), the second double-tube heat exchanger (52), the 3rd sleeve pipe and changed
Hot device (53), Quadruplet pipe heat exchanger (54) and five sets of tube exchangers (55), the both ends of described every double-tube heat exchanger are all provided with
There are outlet and import, described first sleeve heat exchanger (51) to be connected with E interface (14), described five sets of tube exchangers (55)
It is connected with compensator (6).
6. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：Described plate, which changes weld assembly (8), includes radiating tube (81) and several plates (82), described adjacent two plates
(82) heat exchanger channels are formed between, described heat exchanger channels are rectangle, and described plate (82) is fixed by welding in radiating tube
(81) on, the right side of described radiating tube (81) is provided with electric expansion valve (83).
7. a kind of as claimed in claim 1 can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment, its feature
It is：Described plate is changed between weld assembly (8) and compressor (2), between compressor (2) and D interface (11), compressor (2)
Air-returning pipe component (16) is equipped between C interface (12), described air-returning pipe component (16) is provided with temperature-sensitive bag.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155070.4A CN107894117A (en) | 2017-11-20 | 2017-11-20 | It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155070.4A CN107894117A (en) | 2017-11-20 | 2017-11-20 | It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of 30 DEG C of environment |
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| CN107894117A true CN107894117A (en) | 2018-04-10 |
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| CN102445017A (en) * | 2011-09-16 | 2012-05-09 | 西安君生实业有限公司 | Host machine of air cooling and water cooling type cold-hot water air conditioner |
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| CN207831734U (en) * | 2017-11-20 | 2018-09-07 | 浙江创能新能源股份有限公司 | It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment |
-
2017
- 2017-11-20 CN CN201711155070.4A patent/CN107894117A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445017A (en) * | 2011-09-16 | 2012-05-09 | 西安君生实业有限公司 | Host machine of air cooling and water cooling type cold-hot water air conditioner |
| CN205261971U (en) * | 2015-12-08 | 2016-05-25 | 三菱重工海尔(青岛)空调机有限公司 | Enhanced vapor injection air conditioning system |
| CN207831734U (en) * | 2017-11-20 | 2018-09-07 | 浙江创能新能源股份有限公司 | It is a kind of can be in the low temperature frequency conversion increasing enthalpy Air-Cooled Heat Pump Unit of -30 DEG C of environment |
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