CN108709347A - The multiple heat exchange oil separation device of one kind and its heat pump system - Google Patents
The multiple heat exchange oil separation device of one kind and its heat pump system Download PDFInfo
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- CN108709347A CN108709347A CN201810682874.8A CN201810682874A CN108709347A CN 108709347 A CN108709347 A CN 108709347A CN 201810682874 A CN201810682874 A CN 201810682874A CN 108709347 A CN108709347 A CN 108709347A
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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
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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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
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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
- F25B41/37—Capillary tubes
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of multiple heat exchange oil separation devices, oil separation device includes oil eliminator and is arranged outer barrel in oil eliminator periphery, the central cavity of oil eliminator is the first heat exchanging chamber, cavity between oil eliminator and outer barrel is the second heat exchanging chamber, first heat exchanging chamber is separately installed with First Heat Exchanger and oil filter screen from top to bottom, oil eliminator it is upper, lower both ends offer air inlet pipe and escape pipe respectively, corresponding outer barrel is upper on second heat exchanging chamber, lower both ends offer return-air air inlet pipe and return-air escape pipe respectively, on First Heat Exchanger two at interface to stretch out the outside of oil eliminator respectively be respectively first interface and second interface, the second heat exchanger and third heat exchanger are separately installed in second heat exchanging chamber.The present invention discloses a kind of oil return and works well, realizes multiple heat exchange oil return inside oil separation device, and the heat pump system operation for installing the oil separation device is efficient.
Description
Technical field
The present invention relates to heat-pump apparatus, more particularly to a kind of multiple heat exchange oil separation device and its heat pump system.
Background technology
It is new that heat pump is that the device and the whole world of a kind of heat energy transfer by low level heat energy to high-order heat source receive much attention
Energy technology.Oil separation device is installed, effect is the lubricating oil in the high steam that refrigeration compressor is discharged in heat pump system
It is detached, to ensure that equipment safety is efficiently run.According to reducing air velocity and changing point oily principle of airflow direction, make
Elaioleucite in high steam is detached under the effect of gravity.But in the prior art, existing oil separation device is not fully sharp
With the heat exchange function of heat pump system, good oil return effect is played.In view of the drawbacks of the prior art, it is necessary to oil separation device and
Its heat pump system makes technological improvement.
Invention content
The technical problem to be solved in the present invention is to provide a kind of oil returns to work well, multiple heat exchange is realized inside oil separation device
Oil return, the heat pump system operation for installing the oil separation device are efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of multiple heat exchange oil separation device, oil separation device include oil eliminator and are arranged outer barrel in oil eliminator periphery,
The central cavity of oil eliminator is the first heat exchanging chamber, and the cavity between oil eliminator and outer barrel is the second heat exchanging chamber, the first heat exchange
Chamber is separately installed with First Heat Exchanger and oil filter screen from top to bottom, and the upper/lower terminal of oil eliminator offers air inlet respectively
Pipe and escape pipe, the upper/lower terminal of corresponding outer barrel offers return-air air inlet pipe and return-air escape pipe respectively on the second heat exchanging chamber,
On First Heat Exchanger two at interface to stretch out the outside of oil eliminator respectively be respectively first interface and second interface, the second heat exchange
Intracavitary is separately installed with the second heat exchanger and third heat exchanger, and interface stretches out the outside of outer barrel respectively at two on the second heat exchanger
Respectively third interface and the 4th interface, on third heat exchanger two at interface to stretch out the outside of outer barrel respectively be respectively the 5th to connect
Mouth and the 6th interface, the first heat exchanging chamber bottom of oil eliminator are equipped with oil return pipe.
Further, the cylindrical integrated molding installation of the outer contour shape of the oil eliminator and the outer barrel.
Further, second heat exchanger and the third heat exchanger are mounted in the second heat exchanging chamber above and below respectively.
Further, the third interface and the 4th interface are stretched from the same side of outer barrel with the 5th interface and the 6th interface
Go out.
The invention also discloses a kind of heat pump systems with multiple heat exchange oil separation device, including compressor, four-way valve, the
Four heat exchangers, the 5th heat exchanger and oil separation device,
Oil separation device includes oil eliminator and is arranged outer barrel in oil eliminator periphery, and the central cavity of oil eliminator is the
One heat exchanging chamber, cavity between oil eliminator and outer barrel are the second heat exchanging chamber, and the first heat exchanging chamber is separately installed with the from top to bottom
One heat exchanger and oil filter screen, the upper/lower terminal of oil eliminator offer air inlet pipe and escape pipe respectively, on the second heat exchanging chamber
The upper/lower terminal of corresponding outer barrel offers return-air air inlet pipe and return-air escape pipe respectively, interface at two on First Heat Exchanger
It is respectively first interface and second interface to stretch out the outside of oil eliminator respectively, and the second heat exchange is separately installed in the second heat exchanging chamber
Device and third heat exchanger, on the second heat exchanger two at interface to stretch out the outside of outer barrel respectively be respectively that third interface and the 4th connect
Mouthful, on third heat exchanger two at interface to stretch out the outside of outer barrel respectively be respectively the 5th interface and the 6th interface, oil eliminator
The first heat exchanging chamber bottom on oil return pipe is installed；
Four interfaces of four-way valve are respectively communicated with the high-pressure side of compressor, return-air air inlet pipe, the 4th heat exchanger and the 5th change
Hot device, the other end of the 4th heat exchanger are connected to the input terminal of the first check valve, and the output end of the first check valve is connected to air inlet
Pipe；The other end of 5th heat exchanger is connected to the input terminal of the second check valve, and the output end of the second check valve is connected to air inlet pipe；
Escape pipe and third orifice, the low-pressure side of the output end connection compressor of return-air escape pipe, second interface and return-air air inlet
Pipe is connected to, and oil return pipe is connected to first interface, is also communicated with first throttle device between oil return pipe and first interface, the 5th interface and
Air inlet pipe is connected to, and third flow controller, the high-pressure side company of the 6th interface and compressor are also communicated between the 5th interface and air inlet pipe
Logical, one end of third orifice second choke, the other end of second choke is divided into two-way and is respectively communicated with third check valve
And the 4th check valve input terminal；The output end of third check valve and the 4th check valve is connected to the first check valve and the second check valve
Input terminal.
Further, the first throttle device and the third flow controller are capillary.
Further, solenoid valve (20) is also communicated between the high-pressure side of the compressor and the 6th interface.
Further, it states and is communicated with the first capillary and unloading valve between return-air escape pipe and second choke.
The invention also discloses a kind of heat pump system of the multiple heat exchange oil separation device with increasing enthalpy generator, feature exists
In：Including compressor, four-way valve, the 4th heat exchanger, the 5th heat exchanger and oil separation device,
Oil separation device includes oil eliminator and is arranged outer barrel in oil eliminator periphery, and the central cavity of oil eliminator is the
One heat exchanging chamber, cavity between oil eliminator and outer barrel are the second heat exchanging chamber, and the first heat exchanging chamber is separately installed with the from top to bottom
One heat exchanger and oil filter screen, the upper/lower terminal of oil eliminator offer air inlet pipe and escape pipe respectively, on the second heat exchanging chamber
The upper/lower terminal of corresponding outer barrel offers return-air air inlet pipe and return-air escape pipe respectively, interface at two on First Heat Exchanger
It is respectively first interface and second interface to stretch out the outside of oil eliminator respectively, and the second heat exchange is separately installed in the second heat exchanging chamber
Device and third heat exchanger, on the second heat exchanger two at interface to stretch out the outside of outer barrel respectively be respectively that third interface and the 4th connect
Mouthful, on third heat exchanger two at interface to stretch out the outside of outer barrel respectively be respectively the 5th interface and the 6th interface, oil eliminator
The first heat exchanging chamber bottom on oil return pipe is installed；
Four interfaces of four-way valve are respectively communicated with the high-pressure side of compressor, return-air air inlet pipe, the 4th heat exchanger and the 5th change
Hot device, the other end of the 4th heat exchanger are connected to the input terminal of the first check valve, and the output end of the first check valve is connected to air inlet
Pipe；The other end of 5th heat exchanger is connected to the input terminal of the second check valve, and the output end of the second check valve is connected to air inlet pipe；
Escape pipe and third orifice, the low-pressure side of the output end connection compressor of return-air escape pipe, first interface and third interface
Connection, is communicated with the 4th flow controller between first interface and third interface, it is single that the 5th is communicated between second interface and compressor
To valve, oil return pipe is connected to one end of first throttle device, and the other end of first throttle device is connected to the low-pressure side of compressor, and the 5th
Interface is connected to air inlet pipe, and third flow controller, the height of the 6th interface and compressor are also communicated between the 5th interface and air inlet pipe
Side connection, one end of third orifice second choke, the other end of second choke is pressed to be divided into two-way and be respectively communicated with third
The input terminal of check valve and the 4th check valve；The output end of third check valve and the 4th check valve is connected to the first check valve and second
The input terminal of check valve.
Using above-mentioned technical proposal, since the oil separation device is using oil eliminator cooperation outer barrel installation, above-mentioned component shape
At the first, second heat exchanging chamber, First Heat Exchanger is installed in the first heat exchanging chamber, the second heat exchanger is installed in the second heat exchanging chamber
And third heat exchanger, air inlet pipe and escape pipe cooperation input and export main gaseous coolant, the lubricating oil of gaseous coolant mixing is logical
The oil filter screen crossed in the first heat exchanging chamber makes lubricating oil be detached with refrigerant, and lubricating oil eventually falls in the bottom of the first heat exchanging chamber,
In order to make lubricating oil be detached more thoroughly with refrigerant, the First Heat Exchanger in the first heat exchanging chamber carries out first with input refrigerant and reheats
It exchanges, the second heat exchanger and third heat exchanger in the second heat exchanging chamber are heat exchanger independently, two independent heat exchangers
Realize that second exchanges heat in the second heat exchanging chamber, since two heat exchanging chambers are disposed adjacent, the first heat exchanging chamber and the second heat exchanging chamber the
Heat exchange is realized three times, realizes that the lubricating oil separation in the main refrigerant circuit to exchange heat three times is more thorough, the effect of oil return to compressor
Fruit is good.
In addition, the heat pump system of the oil separation device is installed, the upper and lower air inlet pipe and escape pipe that refrigerant passes through oil eliminator
Convey main refrigerant circuit, the lubricating oil of the first heat exchanging chamber bottom is by oil return pipe using throttling under the action of flow controller by the
One heat exchanger, First Heat Exchanger, which is arranged in the first heat exchanging chamber, realizes heat exchange for the first time, and the refrigerant of First Heat Exchanger output passes through
Second heat exchanging chamber, two separate exchangers in the second heat exchanging chamber realize how double heat exchange, in addition two heat exchanging chambers are disposed adjacent,
The setting of multiple heat exchange promotes the lubricating oil in system to detach the heat pump system time for more thoroughly installing the oil separation device with refrigerant
Oil works well.
Outer again, there is the heat pump system for installing the oil separation device increasing enthalpy generator, the return-air of refrigerant to pass through the second heat exchanger
Carry out heat exchange after return to compressor after the 5th check valve, cold operation operating mode is improved, to be integrally improved heat
The performance of pumping system makes heat pump system greatly promote the adaptability of environment.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of multiple heat exchange oil separation device of the present invention；
Fig. 2 is a kind of structural schematic diagram of heat pump system with multiple heat exchange oil separation device of the present invention；
Fig. 3 is a kind of structural representation of the heat pump system of multiple heat exchange oil separation device with increasing enthalpy generator of the present invention
Figure.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
The invention discloses a kind of multiple heat exchange oil separation device, oil separation device 30 includes oil eliminator 31 and is arranged in oil
The central cavity of outer barrel 32 from 31 periphery of device, oil eliminator 31 is the first heat exchanging chamber 33, between oil eliminator 31 and outer barrel 32
Cavity be the second heat exchanging chamber 34, the first heat exchanging chamber 33 is separately installed with First Heat Exchanger 19 and oil filter screen from top to bottom
35, the upper/lower terminal of oil eliminator 31 offers air inlet pipe A and escape pipe A ' respectively, corresponding outer barrel on the second heat exchanging chamber 34
32 upper/lower terminal offers return-air air inlet pipe B and return-air escape pipe B ' respectively, and interface is distinguished at two on First Heat Exchanger 19
The outside for stretching out oil eliminator 31 is respectively first interface C and second interface C ', and second is separately installed in the second heat exchanging chamber 34
Heat exchanger 8 and third heat exchanger 21, on the second heat exchanger 8 two at interface to stretch out the outside of outer barrel 32 respectively be respectively that third connects
Mouthful D and the 4th interface D ', on third heat exchanger 21 two at interface stretch out respectively outer barrel 32 outside be respectively the 5th interface E and
6th interface E ' is equipped with oil return pipe 16 on 33 bottom of the first heat exchanging chamber of oil eliminator 31.
The major loop of refrigerant is transported to inside the first heat exchanging chamber by air inlet pipe A and is filtered by oil filter screen 35, lubrication
Oil is pooled to the bottom of the first heat exchanging chamber, and the pipeline at the places escape pipe A ' is extend into the first heat exchanging chamber, and escape pipe A ' is first
Port in heat exchanging chamber opens up at 2/3rds of the gap between the bottom of oil filter screen 35 and the first heat exchanging chamber, oil
The liquid level for dividing port of the filter screen 35 in the first heat exchanging chamber to be higher than lubricating oil.
Since the oil separation device is using oil eliminator cooperation outer barrel installation, the first, second heat exchange that above-mentioned component is formed
Chamber 33,34 is equipped with First Heat Exchanger 33 in first heat exchanging chamber 33, the second heat exchanger 34 and is equipped in the second heat exchanging chamber 34
Three heat exchangers 21, air inlet pipe and escape pipe cooperation input and export main gaseous coolant, and the lubricating oil of gaseous coolant mixing passes through
Oil filter screen in first heat exchanging chamber 33 makes lubricating oil be detached with refrigerant, and lubricating oil eventually falls in the bottom of the first heat exchanging chamber 33
Portion, in order to make lubricating oil be detached more thoroughly with refrigerant, the First Heat Exchanger 19 in the first heat exchanging chamber 33 is carried out with input refrigerant
First reheats exchange, and the second heat exchanger 8 and third heat exchanger 21 in the second heat exchanging chamber 34 are heat exchangers independently, two
Independent heat exchanger is realized second in the second heat exchanging chamber 34 and is exchanged heat, since two heat exchanging chambers are disposed adjacent, the first heat exchanging chamber
It realizes heat exchange for the third time with the second heat exchanging chamber 34, realizes that the lubricating oil separation in the main refrigerant circuit to exchange heat three times is more thorough,
Oil return works well to compressor.
In addition, the outer contour shape of oil eliminator 31 and outer barrel 32 is cylindrical and is integrally formed installation, two are made to change
The heat transfer effect of the heat exchanger tube of the shape installation of hot chamber is identical.Second heat exchanger 8 and third heat exchanger 21 are mounted on above and below respectively
In second heat exchanging chamber 34, First Heat Exchanger 19 and the second heat exchanger 8 distinguish staggered relative with third heat exchanger 21 and move towards installation
In the second heat exchanging chamber 34, makes the refrigerant of heat exchanger move towards to form convection current for staggeredly trend, make the lubricating oil in the first heat exchanger tube
Heat transfer effect more preferably.Third interface D and the 4th interface D ' and the 5th interface E and the 6th interface E ' is from the same side of outer barrel 32
It stretches out.
The invention discloses a kind of heat pump systems with multiple heat exchange oil separation device, including compressor 1, four-way valve 2, the
Four heat exchangers 3, the 5th heat exchanger 13 and oil separation device 30,
Oil separation device 30 is including oil eliminator 31 and the outer barrel 32 peripheral in oil eliminator 31 is arranged, in oil eliminator 31
Portion's cavity is the first heat exchanging chamber 33, and the cavity between oil eliminator 31 and outer barrel 32 is the second heat exchanging chamber 34, the first heat exchanging chamber 33
It is separately installed with First Heat Exchanger 19 and oil filter screen 35 from top to bottom, the upper/lower terminal of oil eliminator 31 offers respectively
Air inlet pipe A and escape pipe A ', the upper/lower terminal of corresponding outer barrel 32 offers return-air air inlet pipe B respectively on the second heat exchanging chamber 34
And return-air escape pipe B ', on First Heat Exchanger 19 two at interface to stretch out the outside of oil eliminator 31 respectively be respectively first interface
C and second interface C ', is separately installed with the second heat exchanger 8 and third heat exchanger 21 in the second heat exchanging chamber 34, on the second heat exchanger 8
Two at interface to stretch out the outside of outer barrel 32 respectively be respectively third interface D and the 4th interface D ', two on third heat exchanger 21
It is respectively the 5th interface E and the 6th interface E ', the first heat exchanging chamber of oil eliminator 31 that place's interface stretches out the outside of outer barrel 32 respectively
Oil return pipe 16 is installed on 33 bottoms；
Four interfaces of four-way valve 2 are respectively communicated with the high-pressure side of compressor 1, return-air air inlet pipe B, the 4th heat exchanger 3 and
Five heat exchangers 13, the other end of the 4th heat exchanger 3 are connected to the input terminal of the first check valve 5, the output end connection of the first check valve 5
Air inlet pipe A；The other end of 5th heat exchanger 13 is connected to the input terminal of the second check valve 24, the output end connection of the second check valve 24
Air inlet pipe A；Escape pipe A ' is connected to third interface D, the low-pressure side of the output end connection compressor 1 of return-air escape pipe B ', and second
Interface C ' is connected to return-air air inlet pipe B, and oil return pipe 16 is connected to first interface C, is also connected between oil return pipe 16 and first interface C
There are first throttle device 28, the 5th interface E to be connected to air inlet pipe A, third throttling is also communicated between the 5th interface E and air inlet pipe A
Device 23, the 6th interface E ' are connected to the high-pressure side of compressor 1, one end of third interface D connection second choke 10, the second throttling
The other end of device 10 is divided into the input terminal that two-way is respectively communicated with third check valve 11 and the 4th check valve 25；Third check valve 11 and
The output end of 4th check valve 25 is connected to the input terminal of the first check valve 5 and the second check valve 24.The heat of the oil separation device is installed
Pumping system, refrigerant pass through the upper and lower air inlet pipe A and escape pipe A ' conveying main refrigerant circuits of oil eliminator, the first heat exchanging chamber 33
The lubricating oil of bottom passes through First Heat Exchanger 19, First Heat Exchanger 19 by oil return pipe 16 using throttling under the action of flow controller
Setting is realized in the first heat exchanging chamber 33 to exchange heat for the first time, and the refrigerant that First Heat Exchanger 19 exports passes through the second heat exchanging chamber 34, the
Two separate exchangers in two heat exchanging chambers 34 realize how double heat exchange, in addition two heat exchanging chambers are disposed adjacent, multiple heat exchange
It is arranged and the lubricating oil in system is promoted to be detached with refrigerant more thoroughly, the heat pump system oil return effect for installing the oil separation device is good
It is good.
In addition, first throttle device 28 and third flow controller 23 are capillary.The high-pressure side of compressor 1 and the 6th interface E '
Between be also communicated with solenoid valve 20, setting solenoid valve 20 can artificial in extreme circumstances or setting automatic control mode start electromagnetism
Valve 20 makes the refrigerant of high temperature and pressure be transported in the second heat exchanger 8, plays the role of increasing enthalpy with return-air low temperature refrigerant heat exchange, realizes
Heat pump system automation mechanized operation.The first capillary 27 and unloading valve are communicated between return-air escape pipe B ' and second choke 10
26.System unloaded is played the role of on the road, and hypertonia occurs in heat pump system, leads to be vented excessively high, overload to certain pressure
When, unloading valve 26 enters muffler after the throttling of the first capillary 27, plays the role of being depressured load down.
The operation principle of above-mentioned heat pump system is as follows：
When heat pump system is in heating, the refrigerant flow direction of main loop is：1 → four-way valve of compressor 2 → 4th
Heat exchanger 3 (water heating) → first 5 → air inlet pipe of check valve 33 → escape pipe of heat exchanging chamber A ' → second of A → first heat exchangers 8 →
Third interface D → 13 2 → return-air of (air conditioner refrigerating) → four-way valve of the 11 → the 5th heat exchanger of 10 → third of second choke check valve
Air inlet pipe B → return-air escape pipe B ' → compressor 1.
When heat pump system is in heating, after first interface A enters oil separation device, lubricating oil passes through lubricating oil mixing refrigerant
Oil filter screen 35 realizes oily separation, and the refrigerant mixture of lubricating oil or lubricating oil flows through first throttle device 28 from oil return pipe 16,
Enter First Heat Exchanger 19 after reducing pressure by regulating flow and 33 internal-external heat exchange of the first heat exchanging chamber acts on, to entering first from air inlet pipe A
The refrigerant of heat exchanging chamber 33 further cools down, so as to improve refrigerant operating mode.
When heat pump system is in refrigeration, the refrigerant flow direction of main loop is：1 → four-way valve of compressor 2 → 5th
13 → the second 24 → air inlet pipe of check valve, 33 → escape pipe of heat exchanging chamber, the 8 → thirds of heat exchanger of A ' → second of A → first of heat exchanger connect
The 25 → the 4th heat exchanger 3 → four-way valve, 2 → return-air air inlet pipe B of mouth D → the 4th check valves → return-air escape pipe B ' → compressor 1.
When heat pump system is in refrigeration, after first interface A enters oil separation device, lubricating oil passes through lubricating oil mixing refrigerant
Oil filter screen 35 realizes oily separation, and the refrigerant mixture of lubricating oil or lubricating oil flows through first throttle device 28 from oil return pipe 16,
Enter First Heat Exchanger 19 after reducing pressure by regulating flow and 33 internal-external heat exchange of the first heat exchanging chamber acts on, to entering first from air inlet pipe A
The refrigerant of heat exchanging chamber 33 further cools down, so as to improve refrigerant operating mode.
When heat pump system is in low-temperature working, system increasing enthalpy, refrigerant flow direction is：1 → solenoid valve of compressor 20 → the
Two heat exchanging chamber 34 → third heat exchanger 21 → third, 23 → air inlet pipe of flow controller A.
When heat pump system is in hot operation, system is depressured cooling automatically, and system automatically opens unloading valve 26, high temperature and pressure
Refrigerant flows through the first capillary 27, eventually passes back to compressor 1.
The invention also discloses a kind of heat pump systems of the multiple heat exchange oil separation device with increasing enthalpy generator, including compression
Machine 1, four-way valve 2, the 4th heat exchanger 3, the 5th heat exchanger 13 and oil separation device 30,
Oil separation device 30 is including oil eliminator 31 and the outer barrel 32 peripheral in oil eliminator 31 is arranged, in oil eliminator 31
Portion's cavity is the first heat exchanging chamber 33, and the cavity between oil eliminator 31 and outer barrel 32 is the second heat exchanging chamber 34, the first heat exchanging chamber 33
It is separately installed with First Heat Exchanger 19 and oil filter screen 35 from top to bottom, the upper/lower terminal of oil eliminator 31 offers respectively
Air inlet pipe A and escape pipe A ', the upper/lower terminal of corresponding outer barrel 32 offers return-air air inlet pipe B respectively on the second heat exchanging chamber 34
And return-air escape pipe B ', on First Heat Exchanger 19 two at interface to stretch out the outside of oil eliminator 31 respectively be respectively first interface
C and second interface C ', is separately installed with the second heat exchanger 8 and third heat exchanger 21 in the second heat exchanging chamber 34, on the second heat exchanger 8
Two at interface to stretch out the outside of outer barrel 32 respectively be respectively third interface D and the 4th interface D ', two on third heat exchanger 21
It is respectively the 5th interface E and the 6th interface E ', the first heat exchanging chamber of oil eliminator 31 that place's interface stretches out the outside of outer barrel 32 respectively
Oil return pipe 16 is installed on 33 bottoms；
Four interfaces of four-way valve 2 are respectively communicated with the high-pressure side of compressor 1, return-air air inlet pipe B, the 4th heat exchanger 3 and
Five heat exchangers 13, the other end of the 4th heat exchanger 3 are connected to the input terminal of the first check valve 5, the output end connection of the first check valve 5
Air inlet pipe A；The other end of 5th heat exchanger 13 is connected to the input terminal of the second check valve 24, the output end connection of the second check valve 24
Air inlet pipe A；Escape pipe A ' is connected to third interface D, the low-pressure side of the output end connection compressor 1 of return-air escape pipe B ', and first
Interface C is connected to third interface D, is communicated with the 4th flow controller 17 between first interface C and third interface D, second interface C ' and
The 5th check valve 29 is communicated between compressor 1, oil return pipe 16 is connected to one end of first throttle device 28, first throttle device 28
The other end is connected to the low-pressure side of compressor 1, and the 5th interface E is connected to air inlet pipe A, is also connected between the 5th interface E and air inlet pipe A
It is connected with third flow controller 23, the 6th interface E ' is connected to the high-pressure side of compressor 1, third interface D connection second choke 10
The other end of one end, second choke 10 is divided into the input terminal that two-way is respectively communicated with third check valve 11 and the 4th check valve 25；
The output end of third check valve 11 and the 4th check valve 25 is connected to the input terminal of the first check valve 5 and the second check valve 24.
There is the heat pump system for installing the oil separation device increasing enthalpy generator, the return-air of refrigerant to pass through the progress of the second heat exchanger
Compressor is returned to after the 5th check valve after heat exchange, improves cold operation operating mode, to be integrally improved heat pump system
Performance, so that heat pump system is greatly promoted the adaptability of environment.
The operation principle of the above-mentioned heat pump system with increasing enthalpy generator is as follows：
When heat pump system is in heating, the refrigerant flow direction of main loop is：1 → four-way valve of compressor 2 → 4th
3 → the first 5 → air inlet pipe of check valve A of heat exchanger → the 11 → the 5th 13 → four-way of heat exchanger of 10 → third of second choke check valve
2 → return-air of valve air inlet pipe B → return-air escape pipe B ' → compressor 1.
When heat pump system heating when, when heat pump system is in water heating or air conditioner refrigerating, lubricating oil mixing refrigerant from
After first interface A enters oil separation device, lubricating oil realizes the refrigerant of oily separation, lubricating oil or lubricating oil by oil filter screen 35
Mixture flows through first throttle device 28 from oil return pipe 16, enters in First Heat Exchanger 19 and the first heat exchanging chamber 33 after reducing pressure by regulating flow
Outer heat exchange action, the refrigerant to entering the first heat exchanging chamber 33 from air inlet pipe A further cools down, so as to improve refrigerant operating mode.
When heat pump system is in refrigeration, the refrigerant flow direction of main loop is：1 → four-way valve of compressor 2 → 5th
13 → the second 24 → air inlet pipe of check valve, 33 → escape pipe of heat exchanging chamber, the 8 → thirds of heat exchanger of A ' → second of A → first of heat exchanger connect
The 25 → the 4th heat exchanger 3 → four-way valve, 2 → return-air air inlet pipe B of mouth D → the 4th check valves → return-air escape pipe B ' → compressor 1.
When heat pump system is in refrigeration, after first interface A enters oil separation device, lubricating oil passes through lubricating oil mixing refrigerant
Oil filter screen 35 realizes oily separation, and the refrigerant mixture of lubricating oil or lubricating oil flows through first throttle device 28 from oil return pipe 16,
Enter First Heat Exchanger 19 after reducing pressure by regulating flow and 33 internal-external heat exchange of the first heat exchanging chamber acts on, to entering first from air inlet pipe A
The refrigerant of heat exchanging chamber 33 further cools down, so as to improve refrigerant operating mode.
Embodiments of the present invention are explained in detail above in association with attached drawing, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (9)
1. a kind of multiple heat exchange oil separation device, it is characterised in that：Oil separation device (30) includes oil eliminator (31) and is arranged in oil
The central cavity of the outer barrel (32) of separator (31) periphery, oil eliminator (31) is the first heat exchanging chamber (33), oil eliminator (31)
And the cavity between outer barrel (32) is the second heat exchanging chamber (34), the first heat exchanging chamber (33) is separately installed with the first heat exchange from top to bottom
The upper/lower terminal of device (19) and oil filter screen (35), oil eliminator (31) offers air inlet pipe (A) and escape pipe respectively
(A '), the upper/lower terminal of corresponding outer barrel (32) offers return-air air inlet pipe (B) respectively on the second heat exchanging chamber (34) and return-air goes out
Tracheae (B '), on First Heat Exchanger (19) two at interface to stretch out the outside of oil eliminator (31) respectively be respectively first interface
(C) and second interface (C ') it, is separately installed with the second heat exchanger (8) and third heat exchanger (21) in the second heat exchanging chamber (34), the
On two heat exchangers (8) two at interface to stretch out the outside of outer barrel (32) respectively be respectively third interface (D) and the 4th interface (D '),
On third heat exchanger (21) two at interface to stretch out the outside of outer barrel (32) respectively be respectively the 5th interface (E) and the 6th interface
The first heat exchanging chamber (33) bottom of (E '), oil eliminator (31) are equipped with oil return pipe (16).
2. multiple heat exchange oil separation device according to claim 1, it is characterised in that：The oil eliminator (31) and described outer
The cylindrical integrated molding installation of the outer contour shape of cylinder (32).
3. multiple heat exchange oil separation device according to claim 1, it is characterised in that：Second heat exchanger (8) and described
Third heat exchanger (21) is mounted in the second heat exchanging chamber (34) above and below respectively.
4. multiple heat exchange oil separation device according to claim 1, it is characterised in that：It the third interface (D) and the 4th connects
Mouth (D ') is stretched out from the same side of outer barrel (32) with the 5th interface (E) and the 6th interface (E ').
5. a kind of heat pump system with multiple heat exchange oil separation device, it is characterised in that：Including compressor (1), four-way valve (2),
4th heat exchanger (3), the 5th heat exchanger (13) and oil separation device (30),
Oil separation device (30) includes oil eliminator (31) and setting in the outer barrel (32) of oil eliminator (31) periphery, oil eliminator
(31) central cavity is the first heat exchanging chamber (33), and the cavity between oil eliminator (31) and outer barrel (32) is the second heat exchanging chamber
(34), the first heat exchanging chamber (33) is separately installed with First Heat Exchanger (19) and oil filter screen (35), oil eliminator from top to bottom
(31) upper/lower terminal offers air inlet pipe (A) and escape pipe (A ') respectively, corresponding outer barrel (32) on the second heat exchanging chamber (34)
Upper/lower terminal offer return-air air inlet pipe (B) and return-air escape pipe (B ') respectively, interface at two on First Heat Exchanger (19)
The outside for stretching out oil eliminator (31) respectively is respectively first interface (C) and second interface (C '), is divided in the second heat exchanging chamber (34)
Second heat exchanger (8) and third heat exchanger (21) are not installed, interface stretches out outer barrel respectively at two on the second heat exchanger (8)
(32) outside is respectively third interface (D) and the 4th interface (D '), and interface stretches out respectively at two on third heat exchanger (21)
The outside of outer barrel (32) is respectively the 5th interface (E) and the 6th interface (E '), the first heat exchanging chamber (33) bottom of oil eliminator (31)
Oil return pipe (16) is installed in portion；
Four interfaces of four-way valve (2) are respectively communicated with the high-pressure side of compressor (1), return-air air inlet pipe (B), the 4th heat exchanger (3)
And the 5th heat exchanger (13), the other end of the 4th heat exchanger (3) are connected to the input terminal of the first check valve (5), first is unidirectional
The output end connection air inlet pipe (A) of valve (5)；The other end of 5th heat exchanger (13) is connected to the input of the second check valve (24)
End, the output end connection air inlet pipe (A) of the second check valve (24)；Escape pipe (A ') is connected to third interface (D), return-air escape pipe
The low-pressure side of the output end connection compressor (1) of (B '), second interface (C ') are connected to return-air air inlet pipe (B), oil return pipe (16)
It is connected to first interface (C), first throttle device (28), the 5th interface is also communicated between oil return pipe (16) and first interface (C)
(E) it is connected to air inlet pipe (A), third flow controller (23), the 6th interface is also communicated between the 5th interface (E) and air inlet pipe (A)
(E ') is connected to the high-pressure side of compressor (1), and third interface (D) is connected to one end of second choke (10), second choke
(10) the other end is divided into the input terminal that two-way is respectively communicated with third check valve (11) and the 4th check valve (25)；Third check valve
(11) and the output end of the 4th check valve (25) be connected to the first check valve (5) and the second check valve (24) input terminal.
6. the heat pump system according to claim 5 with multiple heat exchange oil separation device, it is characterised in that：The first segment
It is capillary to flow device (28) and the third flow controller (23).
7. the heat pump system according to claim 5 with multiple heat exchange oil separation device, it is characterised in that：The compressor
(1) solenoid valve (20) is also communicated between high-pressure side and the 6th interface (E ').
8. the heat pump system according to claim 5 with multiple heat exchange oil separation device, it is characterised in that：The return-air goes out
The first capillary (27) and unloading valve (26) are communicated between tracheae (B ') and second choke (10).
9. a kind of heat pump system of the multiple heat exchange oil separation device with increasing enthalpy generator, it is characterised in that：Including compressor
(1), four-way valve (2), the 4th heat exchanger (3), the 5th heat exchanger (13) and oil separation device (30),
Oil separation device (30) includes oil eliminator (31) and setting in the outer barrel (32) of oil eliminator (31) periphery, oil eliminator
(31) central cavity is the first heat exchanging chamber (33), and the cavity between oil eliminator (31) and outer barrel (32) is the second heat exchanging chamber
(34), the first heat exchanging chamber (33) is separately installed with First Heat Exchanger (19) and oil filter screen (35), oil eliminator from top to bottom
(31) upper/lower terminal offers air inlet pipe (A) and escape pipe (A ') respectively, corresponding outer barrel (32) on the second heat exchanging chamber (34)
Upper/lower terminal offer return-air air inlet pipe (B) and return-air escape pipe (B ') respectively, interface at two on First Heat Exchanger (19)
The outside for stretching out oil eliminator (31) respectively is respectively first interface (C) and second interface (C '), is divided in the second heat exchanging chamber (34)
Second heat exchanger (8) and third heat exchanger (21) are not installed, interface stretches out outer barrel respectively at two on the second heat exchanger (8)
(32) outside is respectively third interface (D) and the 4th interface (D '), and interface stretches out respectively at two on third heat exchanger (21)
The outside of outer barrel (32) is respectively the 5th interface (E) and the 6th interface (E '), the first heat exchanging chamber (33) bottom of oil eliminator (31)
Oil return pipe (16) is installed in portion；
Four interfaces of four-way valve (2) are respectively communicated with the high-pressure side of compressor (1), return-air air inlet pipe (B), the 4th heat exchanger (3)
And the 5th heat exchanger (13), the other end of the 4th heat exchanger (3) are connected to the input terminal of the first check valve (5), first is unidirectional
The output end connection air inlet pipe (A) of valve (5)；The other end of 5th heat exchanger (13) is connected to the input of the second check valve (24)
End, the output end connection air inlet pipe (A) of the second check valve (24)；Escape pipe (A ') is connected to third interface (D), return-air escape pipe
The low-pressure side of the output end connection compressor (1) of (B '), first interface (C) is connected to third interface (D), first interface (C) and
It is communicated with the 4th flow controller (17) between third interface (D), it is unidirectional that the 5th is communicated between second interface (C ') and compressor (1)
Valve (29), oil return pipe (16) are connected to one end of first throttle device (28), the other end and the compressor (1) of first throttle device (28)
Low-pressure side connection, the 5th interface (E) is connected to air inlet pipe (A), and the is also communicated between the 5th interface (E) and air inlet pipe (A)
Three flow controllers (23), the 6th interface (E ') are connected to the high-pressure side of compressor (1), and third interface (D) is connected to second choke
(10) one end, the other end of second choke (10) are divided into two-way and are respectively communicated with third check valve (11) and the 4th check valve
(25) input terminal；The output end of third check valve (11) and the 4th check valve (25) is connected to the first check valve (5) and the second list
To the input terminal of valve (24).
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| CN201810682874.8A CN108709347B (en) | 2018-06-27 | 2018-06-27 | Multiple heat exchange oil content device and heat pump system thereof |
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| CN201810682874.8A CN108709347B (en) | 2018-06-27 | 2018-06-27 | Multiple heat exchange oil content device and heat pump system thereof |
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| CN108709347B CN108709347B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109489294A (en) * | 2018-11-19 | 2019-03-19 | 佛山市德天电器有限公司 | One kind having system increasing enthalpy Multifunctional oil separating device and its heat pump system |
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| CN108709347B (en) | 2023-08-22 |
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