CN109539629A - A kind of heat-pump apparatus - Google Patents
A kind of heat-pump apparatus Download PDFInfo
- Publication number
- CN109539629A CN109539629A CN201811362237.9A CN201811362237A CN109539629A CN 109539629 A CN109539629 A CN 109539629A CN 201811362237 A CN201811362237 A CN 201811362237A CN 109539629 A CN109539629 A CN 109539629A
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- Prior art keywords
- making
- compression unit
- air device
- air
- tonifying
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- 238000007906 compression Methods 0.000 claims abstract description 102
- 230000006835 compression Effects 0.000 claims abstract description 100
- 230000001502 supplementing effect Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000003507 refrigerant Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000011555 saturated liquid Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
-
- 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
-
- 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
Abstract
The invention discloses a kind of heat-pump apparatus, including being sequentially connected outdoor heat exchanger, compressor, indoor heat exchanger, the first air supply mechanism and the second air supply mechanism logical and that form heat pump cycle；Compressor includes the main road compression unit being sequentially connected in series on refrigerant flow path, the first tonifying Qi mixing chamber and the first auxiliary compression unit, and main road compression unit, the first tonifying Qi mixing chamber and the first auxiliary compression unit are respectively provided at least one gas supplementing opening；First air supply mechanism is connected with the gas supplementing opening of the gas supplementing opening of the first tonifying Qi mixing chamber and the first auxiliary compression unit respectively, and the second air supply mechanism is connected with the gas supplementing opening of main road compression unit.The present invention is in parallel with main road compression unit respectively by existing multiple auxiliary compression units, it is improved to main road compression unit and at least one auxiliary compression unit is connected in series, the usage quantity of auxiliary compression unit can be reduced, it is easy to produce and process convenient for the installation of auxiliary compression unit and the connection of itself and main road compression unit.
Description
Technical field
The present invention relates to heat-pump apparatus technical field more particularly to a kind of heat-pump apparatus.
Background technique
Air source heat pump heating capacity declines decaying rapidly with outdoor environment temperature and is unable to satisfy user demand.It is existing to adopt
It is intermediate not with not exclusively cooling and level-one throttling among twin-stage or quasi- two-stage compression second vapor injection increasing enthalpy technology, including two-stage throttling
Complete cooling cycle can be improved low-temperature heating capacity and coefficient of performance in heating (COP), while have to compressor exhaust temperature is reduced
It is certain to help.But above-mentioned means are to the promotion limited extent of efficiency, also limited to the reduction amplitude of hiigh pressure stage delivery temperature.
In order to further increase the heating capacity and coefficient of performance in heating (COP) of low-temperature air source heat pump, the prior art changes
It is recycled into Two-stage Compression second vapor injection, realizes multistage section by increasing auxiliary compression unit, throttling set and making-up air device
Stream and multistage tonifying Qi are to improve low-temperature heating effect and reduce compressor exhaust temperature.Its compressor is on the basis of main compression unit
On increase three auxiliary compression units to compress the gaseous refrigerant from three making-up air devices respectively.Although the structure is opposite
Two-stage Compression second vapor injection circulation has the effect of promotion heating capacity and COP, but auxiliary compression unit is more causes to install
In complexity, and the volumetric ratio of the relatively main compression unit of auxiliary compression unit is increased with their pressure of inspiration(Pi) and is sequentially reduced, and is led
Cause practical application when auxiliary compression unit volume it is too small (volumetric ratio of relatively main compression unit, by taking R410A refrigerant as an example,
About 0.04~0.07) and be difficult to.
Summary of the invention
The purpose of the present invention is to provide a kind of heat-pump apparatus, and to solve, existing auxiliary compression unit is more to be caused to install
Excessively complicated, the problem of being difficult to.
To achieve the above object, technical solution proposed by the present invention is as follows: a kind of heat-pump apparatus, including is sequentially connected and leads to simultaneously
Form outdoor heat exchanger, compressor, indoor heat exchanger, the first air supply mechanism and the second air supply mechanism of heat pump cycle；The pressure
Contracting machine includes the main road compression unit being sequentially connected in series on refrigerant flow path, the first tonifying Qi mixing chamber and the first auxiliary compression list
Member, the main road compression unit, the first tonifying Qi mixing chamber and the first auxiliary compression unit are respectively provided at least one gas supplementing opening；Institute
State gas supplementing opening of first air supply mechanism respectively with the gas supplementing opening of the first tonifying Qi mixing chamber and the first auxiliary compression unit
It is connected, second air supply mechanism is connected with the gas supplementing opening of the main road compression unit.
The heat-pump apparatus provided according to the present invention, by existing multiple auxiliary compression units respectively with main road compression unit simultaneously
Connection, is improved to main road compression unit and at least one auxiliary compression unit is connected in series, and can reduce making for auxiliary compression unit
It is easy to produce and process convenient for the installation of auxiliary compression unit and the connection of itself and main road compression unit with quantity.
In addition, a kind of heat-pump apparatus according to the above embodiment of the present invention, can also have the following additional technical features:
An example according to the present invention, first air supply mechanism include the first making-up air device and the second making-up air device；
First making-up air device is connected with the indoor heat exchanger and second making-up air device respectively, and first tonifying Qi fills
The gas outlet set is connected with the gas supplementing opening of the first auxiliary compression unit；Second making-up air device is respectively with described first
Making-up air device is connected with second air supply mechanism, and the gas outlet of second making-up air device is mixed with first tonifying Qi
The gas supplementing opening of chamber is connected；Second air supply mechanism includes third making-up air device, the third making-up air device respectively with it is described
Second making-up air device is connected with the outdoor heat exchanger, and the gas outlet of the third making-up air device and main road compression are single
The gas supplementing opening of member is connected.
An example according to the present invention further includes first throttling device, second throttling device and third throttling set；Its
In, the first throttling device is mounted on the refrigerant flow path between the indoor heat exchanger and first making-up air device；
The second throttling device is mounted on the refrigerant flow path between first making-up air device and second making-up air device；Institute
It states on the refrigerant flow path that third throttling set is mounted between second making-up air device and the third making-up air device.
An example according to the present invention, further includes the 4th throttling set；4th throttling set is mounted on described
On the refrigerant flow path of three making-up air devices and the outdoor heat exchanger.
An example according to the present invention further includes the second auxiliary compression unit, the second tonifying Qi mixing chamber and third tonifying Qi
Mechanism, the second auxiliary compression unit and the second tonifying Qi mixing chamber are respectively provided at least one gas supplementing opening；First auxiliary
Compression unit, the second tonifying Qi mixing chamber and the second auxiliary compression unit are sequentially connected in series；The third air supply mechanism respectively with
The gas supplementing opening of the second auxiliary compression unit is connected with the gas supplementing opening of the second tonifying Qi mixing chamber.
An example according to the present invention, the third air supply mechanism include the 4th making-up air device and the 5th making-up air device；
4th making-up air device is connected with second throttling device and the 5th making-up air device respectively, and the 4th making-up air device
Gas outlet be connected with the gas supplementing opening of the second auxiliary compression unit；5th making-up air device is mended with described first respectively
Device of air is connected with the 4th making-up air device, and the gas outlet of the 5th making-up air device and the second tonifying Qi mixing chamber
Gas supplementing opening be connected.
An example according to the present invention, further includes the 5th throttling set and the 6th throttling set；The 5th throttling dress
Set the refrigerant pipe road being mounted between the 4th making-up air device and the 5th making-up air device；6th throttling set
It is mounted on the refrigerant pipe road between first making-up air device and the 5th making-up air device.
An example according to the present invention, the compressor further include increase-volume compression chamber, the increase-volume compression chamber with it is described
Main road compression unit is arranged in parallel.
An example according to the present invention, the compressor includes shell, the main road compression unit and auxiliary pressure
Contracting unit is installed in the shell.
The advantages of above additional aspect, will be set forth in part in the description, and partially will become from the following description bright
It is aobvious, or practice through the invention recognizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the heat-pump apparatus of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the compressor of the embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1. compressor；101, main road compression unit；102, auxiliary compression unit；2. outdoor heat exchanger；3. indoor heat exchanger；
401. first throttling device；402. second throttling device；403. third throttling sets；404. the 4th throttling sets；501. first
Making-up air device；502. second making-up air devices；503. third making-up air devices；6. gas-liquid separator；7. outdoor section；8. chamber interior
Point.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
In conjunction with shown in attached Fig. 1 and 2, a kind of heat-pump apparatus is present embodiments provided, heat-pump apparatus specifically can be air-source
Heat pump comprising be sequentially connected logical outdoor heat exchanger 2, compressor 1, indoor heat exchanger 3, the first air supply mechanism and the second tonifying Qi
Mechanism, the second air supply mechanism are connected with the outdoor heat exchanger 2.Outdoor heat exchanger 2, compressor 1, the first air supply mechanism,
Two air supply mechanisms, gas-liquid separator 6 etc. collectively constitute outdoor section 7, and the structures such as its corresponding connecting line of indoor heat exchanger 3
At indoor section 8.
Outdoor heat exchanger 2 and indoor heat exchanger 3 about the present embodiment are the more mature prior arts, therefore this implementation
Excessive description is not done, and the compressor 1 of the present embodiment can be the pressure of rotor configurations, vortex form or other achievable forms
Contracting machine 1 can be invariable frequency compressor 1 or frequency-changeable compressor 1.
First air supply mechanism of the present embodiment include diagram in the first making-up air device 501, the second making-up air device 502, second
Air supply mechanism includes third making-up air device 503, wherein the first making-up air device 501 is filled with indoor heat exchanger 3 and the second tonifying Qi respectively
502 piping connections are set, second making-up air device 502 connects with the first making-up air device 501 and 503 pipeline of third making-up air device respectively
It connects, third making-up air device 503 is connected with the second making-up air device 502 and outdoor heat exchanger 2 respectively, and heat exchanger 3 indoors
And first be equipped with first throttling device 401 between making-up air device 501, between the first making-up air device 501 and the second making-up air device 502
Equipped with second throttling device 402, third throttling set 403 is equipped between the second making-up air device 502 and third making-up air device 503,
The 4th throttling set 404 is equipped between third making-up air device 503 and outdoor heat exchanger 2.First making-up air device of the present embodiment
501, the second making-up air device 502 and third making-up air device 503 can be flash evaporation or Intermediate Heat Exchanger.
Above structure is the basic structure of the existing level Four throttling heat-pump apparatus that tonifying Qi recycles three times, single from compressor 1
First internal structure is simplified on realizing, and passes through the promotion of shwoot tonifying Qi realization theory volume heating capacity and COP three times.Relatively
For single stage compress circulation, by taking R410A refrigerant as an example, theoretical displacement heating capacity improves 25%~50%, and theoretical COP is improved
8%~16%；For opposite Two-stage Compression tonifying Qi circulation, theoretical displacement heating capacity improves 7%~12%, and theoretical COP is improved
2.5%~5%.
Specifically, the compressor 1 of the present embodiment include be sequentially connected in series main road compression unit 101 on refrigerant flow path,
First tonifying Qi mixing chamber and the first auxiliary compression unit 102, main road compression unit 101, the first tonifying Qi mixing chamber and the first auxiliary
Compression unit 102 is respectively provided at least one gas supplementing opening.The gas outlet of first making-up air device 501 and the first auxiliary compression unit
102 gas supplementing opening is connected, and the gas outlet of the second making-up air device 502 is connected with the gas supplementing opening of the first tonifying Qi mixing chamber；Third
The gas outlet of making-up air device 503 is connected with the gas supplementing opening of main road compression unit 101.
Above structure can overcome the difficulty of processing of the level Four throttling compressor 1 that tonifying Qi recycles three times big and thus cause
Compression efficiency decline the problem of, while compression unit quantity can be reduced and reduce the installation complexity of compressor 1, convenient for the
The installation of one auxiliary compression unit 102 and the connection of itself and main road compression unit 101, it is easy to produce and process.
Certainly the structure type of heat-pump apparatus of the invention is without being limited thereto, can pass through increase and decrease making-up air device and throttling set
Quantity realize the variation of heat-pump apparatus structure, such as can be only that there are two the three-level of making-up air device throttling secondary air compensatings to follow
The heat-pump apparatus of ring.Or there are five the heat-pump apparatus of six grades of throttlings, five tonifying Qi circulation of making-up air device for tool.
For example, the heat-pump apparatus of the present embodiment can also include the second auxiliary compression unit, the second tonifying Qi mixing chamber and the
Three air supply mechanisms (are not shown) in figure, and the second auxiliary compression unit and the second tonifying Qi mixing chamber are respectively provided at least one tonifying Qi
Mouthful；First auxiliary compression unit 102, the second tonifying Qi mixing chamber and the second auxiliary compression unit are sequentially connected in series；Third air supply mechanism
It is connected respectively with the gas supplementing opening of the gas supplementing opening of the second auxiliary compression unit and the second tonifying Qi mixing chamber.
Specifically, third air supply mechanism includes the 4th making-up air device and the 5th making-up air device；4th making-up air device is respectively with
Two throttling sets 402 are connected with the 5th making-up air device, and the gas outlet of the 4th making-up air device and the second auxiliary compression unit
Gas supplementing opening is connected；5th making-up air device is connected with the first making-up air device 501 and the 4th making-up air device respectively, and the 5th tonifying Qi
The gas outlet of device is connected with the gas supplementing opening of the second tonifying Qi mixing chamber.Furthermore it is also possible to include the 5th throttling set and the 6th
Throttling set；5th throttling set is mounted on the road of the refrigerant pipe between the 4th making-up air device and the 5th making-up air device；6th
Throttling set is mounted on the road of the refrigerant pipe between the first making-up air device 501 and the 5th making-up air device.
Based on above structure, compressor 1 can also include increase-volume compression chamber, increase-volume compression chamber and main road compression unit 101
It is arranged in parallel, the realization of increase-volume compression chamber is also relatively more flexible, such as increase by one can unload compression in compressor Unit 1
Third auxiliary compression unit (the third auxiliary compression unit that the function is not shown in the figure), the third auxiliary compression unit and main pressure
Transfiguration function is realized in contracting unit parallel connection.
Furthermore it is possible to install an electromagnetism two-port valve additional respectively in the gas tonifying branch being connected with three making-up air devices to prevent
Compressor 1, which is felt elated and exultant, when Part load is run causes system performance to decline, and can also be needed to realize any one tonifying Qi according to operation
The on-off of branch.Throttling set in embodiment can be one of electric expansion valve, capillary or restriction sleeve etc. or
Multiple combinations.And by increasing the components such as four-way reversing valve, device heating and refrigerating function also may be implemented.
The specific work process of the heat-pump apparatus of above structure is described below:
The corresponding heat pump cycle of heat pump assembly of the embodiment of the present invention is as shown in Figure 1, the first auxiliary compression unit 102 and main pressure
Contracting unit is respectively as the hiigh pressure stage and low-pressure stage of compressor Unit 1, and compressor Unit 1 is with an air entry A and a row
Port D, and having there are three gas supplementing opening B, C and E, respectively successively with third making-up air device 503 (flash evaporation), the second making-up air device
502 (flash evaporations) and the connection of the first making-up air device 501 (flash evaporation).
The high pressure, high temperature refrigerant gas of compressor 1 enters the room heat exchanger 3, becomes high pressure supercooling after exothermic condensation liquefaction
Liquid becomes two phase refrigerant after entering 401 choke pressure drop of first throttling device, subsequently enters 501 (shwoot of the first making-up air device
Device) carry out gas-liquid separation after saturated liquid enter second throttling device 402 carry out choke pressure drop, subsequently enter the second making-up air device
Saturated liquid enters the progress choke pressure drop of third throttling set 403 after 502 (flash evaporations) carry out gas-liquid separation, subsequently enters third
Saturated liquid enters the progress choke pressure drop of the 4th throttling set 404 after making-up air device (flash evaporation) 503 carries out gas-liquid separation, then
Into outdoor heat exchanger 2, becomes low area overheat gas after heat absorption evaporation gasification and enter gas-liquid separator 6, then by compressor 1
Air entry A enters main compression unit and is compressed.
The gas (through gas supplementing opening B entrance) separated in compression process with third making-up air device 503 (flash evaporation) carries out
It mixes and further compression discharge, the gas (through gas supplementing opening C entrance) separated with the second making-up air device 502 (flash evaporation) exists
Mixed in first tonifying Qi mixing chamber, compressed into the first auxiliary compression unit 102, in compression process with the first tonifying Qi
The gas (through gas supplementing opening E entrance) that device 501 (flash evaporation) is separated is mixed and is further compressed, finally by compressor
1 unit exhaust outlet D discharge, to form a complete circulation.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Bu Nengli
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicit includes one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise
Clear specific restriction.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral etc..For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of heat-pump apparatus, including being sequentially connected outdoor heat exchanger (2) that is logical and forming heat pump cycle, compressor (1), interior
Heat exchanger (3), the first air supply mechanism and the second air supply mechanism；
It is characterized in that, the compressor (1) includes the main road compression unit (101) being sequentially connected in series on refrigerant flow path,
One tonifying Qi mixing chamber and the first auxiliary compression unit (102), the main road compression unit (101), the first tonifying Qi mixing chamber and
One auxiliary compression unit (102) is respectively provided at least one gas supplementing opening；First air supply mechanism respectively with first tonifying Qi
The gas supplementing opening of mixing chamber is connected with the gas supplementing opening of the first auxiliary compression unit (102), second air supply mechanism and institute
The gas supplementing opening for stating main road compression unit (101) is connected.
2. heat-pump apparatus according to claim 1, which is characterized in that first air supply mechanism includes the first making-up air device
(501) and the second making-up air device (502)；First making-up air device is mended with the indoor heat exchanger (3) and described second respectively
Device of air (502) is connected, and the tonifying Qi of the gas outlet of first making-up air device (501) and the first auxiliary compression unit
Mouth is connected；Second making-up air device (502) respectively with first making-up air device (501) and the second air supply mechanism phase
Connection, and the gas outlet of second making-up air device (502) is connected with the gas supplementing opening of the first tonifying Qi mixing chamber；Described
Two air supply mechanisms include third making-up air device (503), the third making-up air device (503) respectively with second making-up air device
(502) it is connected with the outdoor heat exchanger (3), and the gas outlet of the third making-up air device and the main road compression unit
(101) gas supplementing opening is connected.
3. heat-pump apparatus according to claim 2, which is characterized in that further include first throttling device (401), the second throttling
Device (402) and third throttling set (403)；Wherein, the first throttling device (401) is mounted on the indoor heat exchanger
(3) on the refrigerant flow path between first making-up air device (501)；The second throttling device (402) is mounted on described
On refrigerant flow path between first making-up air device (501) and second making-up air device (502)；The third throttling set
(403) it is mounted on the refrigerant flow path between second making-up air device (502) and the third making-up air device (503).
4. heat-pump apparatus according to claim 2 or 3, which is characterized in that further include the 4th throttling set (404)；It is described
4th throttling set (404) is mounted on the refrigerant flow path of the third making-up air device (503) and the outdoor heat exchanger (2)
On.
5. heat-pump apparatus according to claim 3, which is characterized in that further include the second auxiliary compression unit, the second tonifying Qi
Mixing chamber and third air supply mechanism, the second auxiliary compression unit and the second tonifying Qi mixing chamber are respectively provided at least one tonifying Qi
Mouthful；The first auxiliary compression unit (102), the second tonifying Qi mixing chamber and the second auxiliary compression unit are sequentially connected in series；Institute
State gas supplementing opening of the third air supply mechanism respectively with the gas supplementing opening of the second auxiliary compression unit and the second tonifying Qi mixing chamber
It is connected.
6. heat-pump apparatus according to claim 5, which is characterized in that the third air supply mechanism includes the 4th making-up air device
With the 5th making-up air device；4th making-up air device is connected with second throttling device (402) and the 5th making-up air device respectively
It is logical, and the gas outlet of the 4th making-up air device is connected with the gas supplementing opening of the second auxiliary compression unit；Described 5th mends
Device of air is connected with first making-up air device (501) and the 4th making-up air device respectively, and the 5th making-up air device
Gas outlet be connected with the gas supplementing opening of the second tonifying Qi mixing chamber.
7. heat-pump apparatus according to claim 6, which is characterized in that further include the 5th throttling set and the 6th throttling dress
It sets；5th throttling set is mounted on the refrigerant line between the 4th making-up air device and the 5th making-up air device
On；6th throttling set is mounted on the refrigerant between first making-up air device (501) and the 5th making-up air device
On pipeline.
8. the described in any item heat-pump apparatus of -3 and 5-7 according to claim 1, which is characterized in that the compressor (1) further includes
Increase-volume compression chamber, the increase-volume compression chamber are arranged in parallel with the main road compression unit (101).
9. the described in any item heat-pump apparatus of -3 and 5-7 according to claim 1, which is characterized in that the compressor includes shell,
The main road compression unit (101) and the auxiliary compression unit (102) are installed in the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811362237.9A CN109539629A (en) | 2018-11-15 | 2018-11-15 | A kind of heat-pump apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811362237.9A CN109539629A (en) | 2018-11-15 | 2018-11-15 | A kind of heat-pump apparatus |
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| CN1670450A (en) * | 2004-03-19 | 2005-09-21 | 三洋电机株式会社 | Refrigerating machine |
| JP2006258397A (en) * | 2005-03-18 | 2006-09-28 | Mitsubishi Electric Corp | Refrigerator |
| KR20080012638A (en) * | 2006-08-04 | 2008-02-12 | 삼성전자주식회사 | Refrigeration system |
| GB0801330D0 (en) * | 2007-01-26 | 2008-03-05 | Grasso Gmbh | CO2 refrigeration system with compressors in two-stage arrangement |
| CN103940135A (en) * | 2013-01-21 | 2014-07-23 | 珠海格力电器股份有限公司 | Refrigeration device |
| CN103954065A (en) * | 2014-04-15 | 2014-07-30 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN203857702U (en) * | 2014-04-18 | 2014-10-01 | 青岛海信日立空调系统有限公司 | Air-supplying enthalpy-adding air conditioning system |
| CN209415834U (en) * | 2018-11-15 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of heat-pump apparatus |
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