CN108534392A - Heat pump unit - Google Patents
Heat pump unit Download PDFInfo
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- CN108534392A CN108534392A CN201810441638.7A CN201810441638A CN108534392A CN 108534392 A CN108534392 A CN 108534392A CN 201810441638 A CN201810441638 A CN 201810441638A CN 108534392 A CN108534392 A CN 108534392A
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- Prior art keywords
- liquid
- gas
- pump unit
- heat pump
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
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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
- F25B43/006—Accumulators
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/05—Compression system with heat exchange between particular parts of the system
- F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/05—Compression system with heat exchange between particular parts of the system
- F25B2400/053—Compression system with heat exchange between particular parts of the system between the storage receiver and another part of the system
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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
- F25B2500/09—Improving heat transfers
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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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to technical field of heat exchange, specifically provide a kind of heat pump unit.Present invention seek to address that the existing mode for being independently arranged device for storing liquid and gas-liquid separation device cannot make full use of the problem of cold stored by the heat transferring medium in heat and gas-liquid separation device stored by the heat transferring medium in device for storing liquid.For this purpose, the heat pump unit of the present invention includes device for storing liquid and gas-liquid separation device, device for storing liquid is at least partially housed in gas-liquid separation device；Due to storing the liquid heat transferring medium of high temperature and pressure in device for storing liquid, and the gaseous state heat transferring medium of low-temp low-pressure is stored in gas-liquid separation device, device for storing liquid is partially received in, the heat transferring medium in device for storing liquid is enabled to obtain more colds to improve the degree of supercooling of liquid heat transferring medium in gas-liquid separation device, and the heat transferring medium in gas-liquid separation device obtains more heats to improve the degree of superheat of gaseous state heat transferring medium, and then effectively improve the heat exchange efficiency of heat pump unit.
Description
Technical field
The invention belongs to technical field of heat exchange, specifically provide a kind of heat pump unit.
Background technology
With the continuous improvement of people's living standards, people also proposed increasingly higher demands to living environment.In order to
Comfortable environment temperature, heat pump unit is maintained to have become essential a kind of equipment in people's life.Heat pump unit includes
The circulation loop that multiple devices are formed, heat transferring medium constantly carry out heat exchange to reach heat transfer effect in circulation loop.In order to
Ensure that heat pump unit continues normally to work, existing heat pump unit is usually equipped with device for storing liquid and gas-liquid separation device；Its
In, liquid heat transferring medium of the device for storing liquid for storing the high temperature and pressure for temporarily having neither part nor lot in cycle in circulation loop, and gas-liquid separation
Device is then used to separate the gaseous state heat transferring medium of low-temp low-pressure and be conveyed to compression set.
Specifically, the device for storing liquid and gas-liquid separation device of existing heat pump unit are all separately provided, this independence
The mode of device for storing liquid and gas-liquid separation device, which is arranged, cannot make full use of heat stored by heat transferring medium in device for storing liquid
And the cold stored by the heat transferring medium in gas-liquid separation device.Further, if the liquid heat exchange in device for storing liquid is situated between
The degree of supercooling of matter is enhanced, meanwhile, the degree of superheat of the gaseous state heat transferring medium in gas-liquid separation device is enhanced, then can necessarily be had
Effect improves set heat exchange efficiency.
Correspondingly, this field needs a kind of new heat pump unit to solve the above problems.
Invention content
In order to solve the above problem in the prior art, in order to solve existing to be independently arranged device for storing liquid and gas-liquid separation
The mode of device cannot make full use of changing in heat and gas-liquid separation device stored by the heat transferring medium in device for storing liquid
The problem of cold stored by thermal medium, the present invention provides a kind of heat pump unit, the heat pump unit include device for storing liquid and
Gas-liquid separation device, the device for storing liquid are at least partially housed in the gas-liquid separation device so that the device for storing liquid with
Heat exchange can be carried out between the gas-liquid separation device.
In the optimal technical scheme of above-mentioned heat pump unit, the device for storing liquid includes liquid storage component and is arranged described
First shell in gas-liquid separation device, the first shell has the first closed cavity for storing heat transferring medium, described
Liquid storage component is connected to first closed cavity.
In the optimal technical scheme of above-mentioned heat pump unit, the liquid storage component includes the first liquid delivery tube and the second liquid
Body delivery pipe, the heat transferring medium stored in first closed cavity can be by first liquid delivery tube and described second
Liquid delivery tube is conveyed.
In the optimal technical scheme of above-mentioned heat pump unit, first liquid delivery tube and the second liquid delivery pipe
In one be connected with the vaporising device of the heat pump unit；In first liquid delivery tube and the second liquid delivery pipe
Another be connected with the condensing unit of the heat pump unit.
In the optimal technical scheme of above-mentioned heat pump unit, the gas-liquid separation device includes gas-liquid separation component and set
The second shell being located at outside the first shell, the second shell have the second closed cavity, the gas-liquid separation component with
The second closed cavity connection.
In the optimal technical scheme of above-mentioned heat pump unit, the gas-liquid separation component includes that gas-liquid mixed input pipe is gentle
Body efferent duct, the gas-liquid mixed input pipe and the gas output tube are connected to second closed cavity respectively.
In the optimal technical scheme of above-mentioned heat pump unit, the four-way of the gas-liquid mixed input pipe and the heat pump unit
Valve is connected, and the gas output tube is connected with the compression set of the heat pump unit.
In the optimal technical scheme of above-mentioned heat pump unit, the gas-liquid separation component further includes liquid output pipe, described
Liquid output pipe is connected with the bottom of the second shell.
In the optimal technical scheme of above-mentioned heat pump unit, the heat pump unit further includes heat preservation structural component, the heat preservation structure
Part is coated on the outside of the second shell.
In the optimal technical scheme of above-mentioned heat pump unit, the gas output tube is worn at the top of the second shell
The open end of the U-tube being set in second closed cavity, the U-tube is located near the inner top of the second shell；
The gas-liquid mixed input pipe at the top of the second shell also from wearing into second closed cavity and its open end
It also is located near the inner top of the second shell.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, heat pump unit of the invention
Including device for storing liquid and gas-liquid separation device, the device for storing liquid is at least partially housed in the gas-liquid separation device, so that
Heat exchange can be carried out between the device for storing liquid and the gas-liquid separation device；Since what is stored in the device for storing liquid is high
The liquid heat transferring medium of warm high pressure, and the gaseous state heat transferring medium of low-temp low-pressure is stored in the gas-liquid separation device, it will be described
Device for storing liquid, which is partially received in the gas-liquid separation device, to be convenient for heat transferring medium to carry out heat exchange so that the liquid storage dress
Heat transferring medium in setting can obtain more colds to improve the degree of supercooling of liquid heat transferring medium, and the gas-liquid separation device
In heat transferring medium obtain more heats to improve the degree of superheat of gaseous state heat transferring medium, and then effectively improve the heat pump unit
Heat exchange efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the heat pump unit of the present invention；
Fig. 2 is the structural schematic diagram of the device for storing liquid and gas-liquid separation device of the present invention.
Reference numeral：11, device for storing liquid；111, first shell；1110, the first closed cavity；112, the first liquid conveys
Pipe；113, second liquid delivery pipe；12, gas-liquid separation device；121, second shell；1210, the second closed cavity；122, gas-liquid
Mixed input tube；123, gas output tube；124, liquid output pipe；13, compressor；14, four-way valve；15, dry evaporator；
16, finned heat exchanger.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.This field skill
Art personnel can as needed make adjustment to it, to adapt to specific application scenario.For example, although described in the specification
Heat pump unit only includes several important devices, and still, heat pump unit of the invention obviously can also add other devices to improve
Performance.The change of this concrete structure falls within protection scope of the present invention without departing from basic principle of the invention
Within.
It should be noted that in the description of the present invention, term "upper", "lower", "left", "right", "vertical", "horizontal",
The direction of the instructions such as "inner", "outside" or the term of position relationship are direction based on ... shown in the drawings or position relationship, this is only
For ease of description, rather than instruction or hint described device or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.In addition to this, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " phase
Even ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Device for storing liquid and gas-liquid separation device based on the existing heat pump unit proposed in background technology are all separately provided
, and this independently arranged mode cannot make full use of heat and gas-liquid point stored by the heat transferring medium in device for storing liquid
The problem of from cold stored by the heat transferring medium in device.The present invention provides a kind of heat pump unit, the heat pump unit packet
Device for storing liquid and gas-liquid separation device are included, the device for storing liquid is at least partially housed in the gas-liquid separation device, so that institute
Heat exchange can be carried out by stating between device for storing liquid and the gas-liquid separation device；Since what is stored in the device for storing liquid is high temperature
The liquid heat transferring medium of high pressure, and the gaseous state heat transferring medium of low-temp low-pressure is stored in the gas-liquid separation device, two are filled
Set it is integrally disposed can make heat transferring medium carry out heat exchange so that the heat transferring medium in the device for storing liquid can obtain more
Cold improves the degree of supercooling of liquid heat transferring medium, and the heat transferring medium in the gas-liquid separation device obtains more heats and come
The degree of superheat of gaseous state heat transferring medium is improved, and then effectively improves the heat exchange efficiency of the heat pump unit.
Refering to fig. 1 and Fig. 2, wherein Fig. 1 is the overall structure diagram of the heat pump unit of the present invention；Fig. 2 is of the invention
The structural schematic diagram of device for storing liquid and gas-liquid separation device.As illustrated in fig. 1 and 2, in the inventive solutions, the heat pump
Unit includes device for storing liquid 11 and gas-liquid separation device 12, and device for storing liquid 11 is contained in gas-liquid separation device 12, so that liquid storage
Heat exchange can be carried out between device 11 and gas-liquid separation device 12.It should be noted that the device for storing liquid of existing heat pump unit
11 and gas-liquid separation device 12 be all independently arranged, two devices are separately positioned on the different location of heat pump unit；Therefore, this
The independently arranged mode of kind causes the heat transferring medium in device for storing liquid 11 and gas-liquid separation device 12 to only have through heat pump unit
The circulatory system could realize heat exchange.And unlike the prior art, the present invention by device for storing liquid 11 by being contained in gas-liquid point
From in device 12 so that the heat transferring medium in heat transferring medium and gas-liquid separation device 12 in device for storing liquid 11 can be by each other
Heat exchange is carried out, is then participated in again in the cycle of heat pump unit.It should be noted that, although the liquid storage in this preferred embodiment
Device 11 is fully accommodated in gas-liquid separation device 12, and still, technical staff obviously can also only hold part device for storing liquid 11
It is contained in gas-liquid separation device 12.
It is understood that in heat pump unit, what is stored in device for storing liquid 11 is the liquid heat transferring medium of high temperature and pressure,
The degree of supercooling of these high-temperature liquid state heat transferring mediums is all relatively low, is easy to generate evaporation reaction and lead to its heat exchange in transmission process
Ability reduces；And the gaseous state heat transferring medium of low-temp low-pressure is stored in gas-liquid separation device 12, these cryogenic gaseous heat transferring mediums
The degree of superheat it is all relatively low, be easy in transmission process generate liquefaction reaction and cause compressor air suction band liquid.Furthermore,
The liquid heat transferring medium stored in device for storing liquid 11 needs more colds to improve the degree of supercooling of itself, and gas-liquid separation device
The gaseous state heat transferring medium stored in 12 needs more heats to improve the degree of superheat of itself；Therefore, existing heat pump unit will store up
Liquid device 11 and gas-liquid separation device 12, which are independently arranged, can not only waste heat extra in device for storing liquid 11 and gas-liquid separation dress
Cold extra in 12 is set, while can also influence the exchange capability of heat of heat pump unit.The present invention is by the way that device for storing liquid 11 to be contained in
In gas-liquid separation device 12 so that the heat transferring medium stored in two devices carries out heat exchange, so as to changing in device for storing liquid 11
Thermal medium can obtain more colds to improve the degree of supercooling of liquid heat transferring medium by gas-liquid separation device 12, and gas-liquid is divided
Also more heats can be obtained from the heat transferring medium in device 12 by device for storing liquid 11 to improve the mistake of gaseous state heat transferring medium
Temperature, and then while effectivelying prevent compressor to generate air-breathing solution dehumidification while migration, additionally it is possible to effectively improve the heat pump unit
Heat exchange efficiency.
With continued reference to Fig. 2, specifically, in the preferred embodiment, device for storing liquid 11 includes having the first closed cavity
1110 first shell 111 and the conveying of the first liquid delivery tube 112 being connected to the first closed cavity 1110 and second liquid
Pipe 113；Wherein, the first closed cavity 1110 is for storing heat transferring medium, and first shell 111 is arranged in gas-liquid separation device
In 12, so that the heat transferring medium stored in the first closed cavity 1110 can be by first shell 111 and gas-liquid separation device 12
The heat transferring medium of middle storage directly carries out heat exchange.Further, the heat transferring medium stored in the first closed cavity 1110 can
It is conveyed by the first liquid delivery tube 112 and second liquid delivery pipe 113, to participate in the cycle of the heat pump unit
In.
It is understood that the liquid heat transferring medium of high temperature and pressure is stored in the first closed cavity 1110, and gas-liquid point
From the gaseous state heat transferring medium for then storing low-temp low-pressure in device 12, first shell 111 is arranged in gas-liquid separation device 12,
Enable the high temperature and pressure stored in the first closed cavity 1110 liquid heat transferring medium by first shell 111 from gas-liquid point
Cold is obtained in gaseous state heat transferring medium from the low-temp low-pressure stored in device 12, is stored up to effectively improve in device for storing liquid 11
The liquid heat transferring medium deposited crosses cold, and then the heat exchange efficiency of heat transferring medium is effectively ensured.
It will be appreciated to those of skill in the art that although the device for storing liquid 11 described in this preferred embodiment is by first shell
Body 111 and liquid storage component are constituted, and the liquid storage component only includes the first liquid delivery tube 112 and second liquid delivery pipe
113；But device for storing liquid 11 obviously can also include other structures, or even be only made of other structures.Due in the prior art
Device for storing liquid there are number of different types, details are not described herein again, as long as that is, device for storing liquid 11 can store heat transferring medium
And it is exchanged heat with gas-liquid separation device 12.Meanwhile the present invention does not also appoint the shape of the first closed cavity 1110
What is limited, as long as the first closed cavity 1110 can store heat transferring medium.
Referring next to Fig. 2, further, gas-liquid separation device 12 includes the second shell being set in outside first shell 111
121, in the preferred embodiment, the second closed cavity 1210, gas-liquid point are formed between first shell 111 and second shell 121
From process just carried out in the second closed cavity 1210.Meanwhile gas-liquid separation device 12 further includes gas-liquid mixed input pipe 122
With gas output tube 123, wherein gas-liquid mixed input pipe 122 and gas output tube 123 respectively with 1210 phase of the second closed cavity
Even.Preferably, gas-liquid mixed input pipe 122 worn from the top of second shell 121 into the second closed cavity 1210 and its
Open end is located at the inner top attachment of second shell 121, effectively to avoid liquid heat transferring medium from not having gas-liquid mixed input pipe
122 outlet and the conveying for influencing gaseous state heat transferring medium；Gas output tube 123 is to be worn from the top of second shell 121 to
U-tube in two closed cavities 1210, and the open end of the U-tube also is located near the inner top of second shell 121, with
Just liquid heat transferring medium can also effectively be avoided to escape while exporting gaseous state heat transferring medium.Specifically, in the heat pump
In the course of work of unit, it is closed that the heat transferring medium in gas-liquid mixed shape by gas-liquid mixed input pipe 122 is input to second
In cavity 1210, and gas-liquid separation process is carried out in the second closed cavity 1210 so that gaseous state heat transferring medium can pass through
Gas output tube 123 exports, to participate in the cycle of the heat pump unit.
It is understood that the gaseous state heat transferring medium of low-temp low-pressure is stored in the second closed cavity 1210, and first is close
It closes in cavity 1110 and then stores the liquid heat transferring medium of high temperature and pressure, second shell 121 is set in the outer of first shell 111
Portion and form the second closed cavity 1210 so that the gaseous state heat transferring medium energy of the low-temp low-pressure stored in the second closed cavity 1210
Heat is enough obtained from the liquid heat transferring medium of the high temperature and pressure stored in device for storing liquid 11 by first shell 111, to have
Effect improves the heat of crossing of gaseous state heat transferring medium stored in gas-liquid separation device 12, and then effectively compressor is being avoided to generate suction
While gas carrying liquid problem, additionally it is possible to the heat exchange efficiency of heat transferring medium be effectively ensured.
Referring next to Fig. 2, further, gas-liquid separation device 12 further includes liquid output pipe 124, liquid output pipe 124
It is connected with the bottom of second shell 121, the liquid heat transferring medium to gather 1210 bottom of the second closed cavity can pass through
Liquid output pipe 124 flows out.It should be noted that, although the liquid output pipe 124 in this preferred embodiment is arranged in second shell
The side bottom in second shell 121 obviously can also be arranged in the bottom of body 121, still, liquid output pipe 124, as long as liquid
Heat transferring medium can be exported by liquid output pipe 124.Although further it will be understood that in this preferred embodiment
Gas-liquid separation device 12 further includes liquid output pipe 124, and still, technical staff obviously can also be not provided with liquid output pipe 124,
But it is defeated by gas output tube 123 again that the liquid heat transferring medium in the second closed cavity 1210 is evaporated to gaseous state heat transferring medium
Go out.
It will be appreciated to those of skill in the art that although the gas-liquid separation device 12 described in this preferred embodiment is by
Two shells 121 and gas-liquid separating member are constituted, and the gas-liquid separation component only includes gas-liquid mixed input pipe 122, gas
Efferent duct 123 and liquid output pipe 124；But gas-liquid separation device 12 obviously can also include other structures, or even only by it
His structure composition.Due to having existed a plurality of types of gas-liquid separation devices in the prior art, details are not described herein again, i.e. gas-liquid
As long as separator 12 can carry out gas-liquid separation process and be exchanged heat with device for storing liquid 11.Meanwhile although this is excellent
The second closed cavity 1210 in embodiment is selected to be collectively formed by first shell 111 and second shell 121, still, second is closed
Cavity 1210 obviously can also be only individually formed by second shell 121, as long as the heat exchange stored in the first closed cavity 1110 is situated between
Matter can be exchanged heat with the heat transferring medium stored in the second closed cavity 1210.In addition, the present invention is not also close to second
The shape for closing cavity 1210 imposes any restrictions, as long as the second closed cavity 1210 can carry out gas-liquid separation process.
It is further preferred that the heat pump unit further includes heat preservation structural component (not shown), the heat preservation structural component cladding
In the outside of second shell 121, to reduce energy dissipation to the greatest extent so that energy between device for storing liquid 11 and gas-liquid separation device 12
It is enough adequately exchanged heat, and then effectively improves the heat exchange efficiency of the heat pump unit.Skilled artisans appreciate that
It is that the present invention does not impose any restrictions the concrete structure of the heat preservation structural component, as long as the heat preservation structural component can be coated to second
Play heat insulation effect in the outside of shell 121；Preferably, the heat preservation structural component is made of the good material of heat-insulating property, example
Such as rock wool, mineral wool.
Referring next to Fig. 1, in the preferred embodiment, the first liquid delivery tube 112 and the dry type of device for storing liquid 11 are evaporated
Device 15 is connected, and the second liquid delivery pipe 113 of device for storing liquid 11 is connected with finned heat exchanger 16；The gas-liquid of gas-liquid separation device 12
Mixed input tube 122 is connected with four-way valve 14, and the gas output tube 123 of gas-liquid separation device 12 is connected with compressor 13.With system
For cold process, in the process of refrigerastion of the heat pump unit, the gaseous state heat transferring medium of the high temperature and pressure flowed out from compressor 13
Heat release in finned heat exchanger 16 is flowed by four-way valve 14 and is liquefied as liquid heat transferring medium；The liquid heat transferring medium of high temperature and pressure
Electric expansion valve is flowed into from finned heat exchanger 16, the first closed cavity 1110 is then flowed by second liquid delivery pipe 113 again
In；Then, the liquid heat transferring medium of part high temperature and pressure is flowed into dry evaporator 15 by the first liquid delivery tube 112 and is evaporated
And absorb heat, to reach cooling-down effect；At this point, operative liquid heat transferring medium is evaporated to gaseous state heat transferring medium, it is in gas-liquid mixed
The heat transferring medium of shape flows into four-way valve 14 and flows to gas-liquid mixed input pipe 122, enters second by gas-liquid mixed input pipe 122
Gas-liquid separation is carried out in closed cavity 1210；Finally, the gaseous state heat transferring medium in the second closed cavity 1210 is exported by gas
Pipe 123 is flowed out and is re-introduced into compressor 13, to complete entire cycle.It will be appreciated to those of skill in the art that
The setting of these specific devices is all schematical, and technical staff can voluntarily select in heat pump unit according to actual use demand
Other devices, due to heat pump unit other devices and non-present invention protection emphasis, details are not described herein again.
So far, it has been combined attached drawing and describes technical scheme of the present invention, still, skilled addressee readily understands that
It is that protection scope of the present invention is expressly not limited to these specific implementation modes.Under the premise of without departing from the principle of the present invention,
Those skilled in the art can make the relevant technologies feature equivalent change or replacement, the technology after these changes or replacement
Scheme is fallen within protection scope of the present invention.
Claims (10)
1. a kind of heat pump unit, which is characterized in that the heat pump unit includes device for storing liquid and gas-liquid separation device,
The device for storing liquid is at least partially housed in the gas-liquid separation device, so that the device for storing liquid and the gas-liquid point
From heat exchange can be carried out between device.
2. heat pump unit according to claim 1, which is characterized in that the device for storing liquid includes liquid storage component and setting
First shell in the gas-liquid separation device,
The first shell has the first closed cavity for storing heat transferring medium, the liquid storage component and described first closed
Cavity is connected to.
3. heat pump unit according to claim 2, which is characterized in that the liquid storage component include the first liquid delivery tube and
Second liquid delivery pipe, the heat transferring medium stored in first closed cavity can be by first liquid delivery tube and institute
Second liquid delivery pipe is stated to be conveyed.
4. heat pump unit according to claim 3, which is characterized in that first liquid delivery tube and the second liquid
One in delivery pipe is connected with the vaporising device of the heat pump unit；
The condensing unit of first liquid delivery tube and another and the heat pump unit in the second liquid delivery pipe
It is connected.
5. heat pump unit according to any one of claim 2 to 4, which is characterized in that the gas-liquid separation device includes
Gas-liquid separation component and the second shell being set in outside the first shell,
There is the second shell the second closed cavity, the gas-liquid separation component to be connected to second closed cavity.
6. heat pump unit according to claim 5, which is characterized in that the gas-liquid separation component includes gas-liquid mixed input
Pipe and gas output tube, the gas-liquid mixed input pipe and the gas output tube are connected to second closed cavity respectively.
7. heat pump unit according to claim 6, which is characterized in that the gas-liquid mixed input pipe and the heat pump unit
Four-way valve be connected, the gas output tube is connected with the compression set of the heat pump unit.
8. heat pump unit according to claim 6, which is characterized in that the gas-liquid separation component further includes liquid output
Pipe, the liquid output pipe are connected with the bottom of the second shell.
9. heat pump unit according to claim 5, which is characterized in that the heat pump unit further includes heat preservation structural component, described
Heat preservation structural component is coated on the outside of the second shell.
10. heat pump unit according to claim 6, which is characterized in that the gas output tube is from the second shell
Top wear the U-tube in second closed cavity, the open end of the U-tube is located at the interior top of the second shell
Near portion；
The gas-liquid mixed input pipe at the top of the second shell also from wearing into second closed cavity and it is opened
Mouth end also is located near the inner top of the second shell.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441638.7A CN108534392A (en) | 2018-05-10 | 2018-05-10 | Heat pump unit |
| EP19799532.7A EP3792569A4 (en) | 2018-05-10 | 2019-04-23 | Heat pump unit |
| PCT/CN2019/083795 WO2019214425A1 (en) | 2018-05-10 | 2019-04-23 | Heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441638.7A CN108534392A (en) | 2018-05-10 | 2018-05-10 | Heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108534392A true CN108534392A (en) | 2018-09-14 |
Family
ID=63476824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441638.7A Pending CN108534392A (en) | 2018-05-10 | 2018-05-10 | Heat pump unit |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3792569A4 (en) |
| CN (1) | CN108534392A (en) |
| WO (1) | WO2019214425A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869941A (en) * | 2018-12-17 | 2019-06-11 | 珠海格力电器股份有限公司 | Heat pump system, air suction superheat degree and vapor-liquid separator accumulated liquid evaporation control method |
| WO2019214425A1 (en) * | 2018-05-10 | 2019-11-14 | 青岛海尔中央空调有限公司 | Heat pump unit |
| CN115265234A (en) * | 2022-06-24 | 2022-11-01 | 广州五所环境仪器有限公司 | Environment testing equipment and heat exchange device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3792569A4 (en) | 2021-07-28 |
| EP3792569A1 (en) | 2021-03-17 |
| WO2019214425A1 (en) | 2019-11-14 |
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