CN106225297A - Air conditioning system and electric automobile with same - Google Patents
Air conditioning system and electric automobile with same Download PDFInfo
- Publication number
- CN106225297A CN106225297A CN201610831915.6A CN201610831915A CN106225297A CN 106225297 A CN106225297 A CN 106225297A CN 201610831915 A CN201610831915 A CN 201610831915A CN 106225297 A CN106225297 A CN 106225297A
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- CN
- China
- Prior art keywords
- heat exchanger
- conditioning system
- air conditioning
- compressor
- exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 claims description 35
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 239000002826 coolant Substances 0.000 description 22
- 239000003507 refrigerant Substances 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000013526 supercooled liquid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to an air conditioning system and an electric automobile provided with the same, and the air conditioning system comprises an indoor side heat exchanger, an outdoor side heat exchanger and a compressor unit arranged between the indoor side heat exchanger and the outdoor side heat exchanger, wherein the compressor unit comprises two compressors which are arranged in parallel, and the indoor side heat exchanger and the outdoor side heat exchanger are selectively communicated with the two compressors simultaneously or only one of the compressors to form a main loop. The air conditioning system comprises the two compressors connected in parallel, so that the two compressors can be selected to operate simultaneously or only one of the two compressors can be selected to operate according to the actual operation condition of the compressor unit, when the load of the compressor unit is low, only one of the compressors can be operated, and when the load of the compressor unit is high, the two compressors can be selected to operate simultaneously, so that the operation mode with high energy efficiency is optimized, and the high refrigerating and heating efficiency is achieved.
Description
Technical field
The present invention relates to automotive engineering field, particularly relate to air conditioning system and be provided with the electric automobile of this air conditioning system.
Background technology
Electric motor car, i.e. electric drive vehicle, be a kind of using battery as energy source, will by the parts such as controller, motor
Electric energy is converted into mechanical energy motion, to control the vehicle of size of current change speed.Electric motor car is owing to it is to the energy and environment
Save and protection, national economy plays the most important effect.
The many employings of existing pure electric vehicle air-conditioning simple unit compression refrigerating system is to freeze, and utilizes PTC to heat
Device heats.And inefficient due to ptc heater, heating energy efficiency ratio is about 0.8W/W, thus causes pure electronic in the winter
When it runs, because the use of air-conditioning causes course continuation mileage to reduce nearly 50%, the use for electric motor car brings inconvenience, it is suppressed that
The further growth in electric motor car market.
Summary of the invention
Based on this, it is necessary to for the problem that the heating efficiency of the air conditioning system of electric motor car is relatively low, it is provided that a kind of refrigerated medium
Air conditioning system that the thermal efficiency is higher and be provided with the electric automobile of this air conditioning system.
A kind of air conditioning system, including indoor heat exchanger, outdoor heat exchanger and be located at described indoor heat exchanger and institute
Stating the compressor bank between outdoor heat exchanger, described compressor bank includes two compressors being arranged in parallel, described indoor
Heat exchanger connects two described compressors the most simultaneously or only connects one of them described pressure with described outdoor heat exchanger
Contracting machine is to form major loop.
Above-mentioned air conditioning system includes two compressors in parallel, thus can select according to the practical operation situation of compressor bank
Two compressors run or only with one of them compressor operating simultaneously, when the load of compressor bank is relatively low, can only transport
One of them compressor of row, when the load of compressor bank is higher, optional two compressors of operation simultaneously, thus preferably efficiency
The high method of operation, has higher refrigeration and heating efficiency.
Wherein in an embodiment, described compressor offers gas supplementing opening, and described air conditioning system also includes being provided with QI invigorating
The QI invigorating loop of expansion valve, one end, described QI invigorating loop is communicated between described indoor heat exchanger and described outdoor heat exchanger
Major loop, the other end is connected by described gas supplementing opening with described compressor.
Wherein in an embodiment, described air conditioning system includes that internal exchanger, described heat exchanger are positioned at described master and return
On road and be located between described outdoor heat exchanger and described indoor heat exchanger, described QI invigorating loop passes described internal heat
Device inside the internal and described major loop heat exchange at described internal exchanger.
Wherein in an embodiment, described in described internal exchanger, the flow direction of the medium in major loop is with described
The flow direction of the medium in QI invigorating loop is contrary.
Wherein in an embodiment, described internal exchanger is double pipe heat exchanger or plate type heat exchanger.
Wherein in an embodiment, described outdoor heat exchanger and described internal exchanger, described indoor heat exchanger
And being respectively equipped with electric expansion valve between described internal exchanger, described electric expansion valve is parallel with check valve.
Wherein in an embodiment, described compressor also includes that air entry, described air conditioning system also include vapor-liquid separation
Device, the gas outlet of described vapour liquid separator connects with the air entry of described compressor, and the air inlet of described vapour liquid separator is optional
Connect described indoor heat exchanger or described outdoor heat exchanger with selecting.
Wherein in an embodiment, described compressor also includes equal hydraulic fluid port, and described equal hydraulic fluid port passes through capillary tube with described
Vapour liquid separator connects.
Wherein in an embodiment, described compressor also includes that air vent, described air conditioning system also include cross valve, institute
Four valve ports stating cross valve selectively connect described outdoor heat exchanger, indoor heat exchanger and vapour liquid separator.
A kind of electric automobile, including above-mentioned air conditioning system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air conditioning system of an embodiment；
Fig. 2 is the schematic diagram that the air conditioning system shown in Fig. 1 is in refrigeration mode；
Fig. 3 is the schematic diagram that the air conditioning system shown in Fig. 1 is in heating mode；
Fig. 4 is the schematic diagram of the air conditioning system of an embodiment；
Fig. 5 is the schematic diagram of the air conditioning system of another embodiment；
Fig. 6 is the schematic diagram of the air conditioning system of another embodiment.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the preferred embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, providing the purpose of these embodiments is to make the understanding to the disclosure more saturating
Thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
" right " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
As it is shown in figure 1, a kind of air conditioning system 100 of this preferred embodiment, it is mountable to pure electric vehicle with to pure electric vehicle
Freeze or heat.
Wherein, this air conditioning system 100 includes indoor heat exchanger 10, outdoor heat exchanger 20 and is located at indoor heat exchanger
Compressor bank between 10 and outdoor heat exchanger 20.Compressor bank includes two compressors 30 being arranged in parallel, and indoor is changed
Hot device 10 connect with outdoor heat exchanger 20 the most simultaneously two compressors 30 or only connect one of them compressor 30 with
Form major loop.
Above-mentioned air conditioning system 100 includes two compressors 30 in parallel, thus can be according to the actual motion feelings of compressor bank
Condition selects two compressors 30 to run simultaneously or run only with one of them compressor 30, when the load of compressor bank is relatively low
Time, can only run one of them compressor 30, when the load of compressor bank is higher, optional two compressors of operation simultaneously
30, thus the method for operation that preferably efficiency is high, have higher refrigeration and heating efficiency.
Referring to Fig. 2, when air conditioning system 100 is in refrigeration mode, the coolant of gaseous state is compressed into high temperature by compressor 30
The gas of high pressure, the gas after compression enters outdoor heat exchanger 20 and discharges heat and be condensed into liquid, outdoor heat exchanger 20
Hot blast is blown out by heat exchange blower fan.Liquid refrigerants flow out from outdoor heat exchanger 20 laggard enter indoor heat exchanger 10, absorb
Heat and by the gaseous state of boil-off gas chemical conversion low-voltage high-temperature, thus absorb the heat of room air and reach the purpose of refrigeration.Low
The gaseous coolant of super pressure-high temperature eventually passes back in compressor 30, thus completes a kind of refrigeration cycle.
Referring to Fig. 3, when air conditioning system 100 is in heating mode, the coolant of gaseous state is compressed into high temperature by compressor 30
The gas of high pressure, the gas after compression enters indoor heat exchanger 10 and discharges volume heat and be condensed into liquid, thus in heating chamber
Air and reach the purpose heated.Liquid refrigerants flow out from indoor heat exchanger 10 laggard enter outdoor heat exchanger 20, absorb
Heat and become the gaseous state of low-voltage high-temperature by evaporation, outdoor heat exchanger 20 is by heat exchange blower fan blowing cold air.Low-voltage high-temperature
Gaseous coolant eventually pass back in compressor 30, thus complete once to heat circulation.
Please continue to refer to Fig. 2 and Fig. 3, compressor 30 offers gas supplementing opening 32, and it is swollen that air conditioning system 100 also includes being provided with QI invigorating
The QI invigorating loop of swollen valve 40, the master that one end, QI invigorating loop is communicated between indoor heat exchanger 10 and outdoor heat exchanger 20 returns
Road, the other end is connected by gas supplementing opening 32 with compressor 30, thus compressor 30 is carried out QI invigorating, to increase the row of compressor 30
Tolerance, promotes heating and refrigerating capacity of compressor 30.
Air conditioning system 100 includes internal exchanger 50, and this internal exchanger 50 is positioned on major loop and is located at outside and changes
Between hot device 20 and indoor heat exchanger 10, QI invigorating loop is through internal exchanger 50 and the inside of internal exchanger 50 and master
Loop heat exchange.Further, when air conditioning system 100 is in heating mode, in internal exchanger 50, the medium in major loop is (the coldest
Matchmaker) flow direction is contrary with the flow direction of the medium in QI invigorating loop, and therefore there is bigger heat transfer temperature difference, thus play
Preferably heat exchange effect.
Further, the port of export that internal exchanger 50 is positioned on major loop is respectively communicated with indoor heat exchanger 10 and QI invigorating
The entrance point of expansion valve 40, the port of export of QI invigorating expansion valve 40 connects compressor through internal exchanger 50 by check valve 70
The gas supplementing opening 32 of 30.In the present embodiment, internal exchanger 50 is double pipe heat exchanger or plate type heat exchanger, to reduce coolant
Mass dryness fraction and strengthen evaporator section enthalpy difference, and QI invigorating mass dryness fraction can be improved, prevent liquid refrigerants from entering pressure from the gas supplementing opening 32 of compressor 30
In contracting machine 30.In the present embodiment, as shown in Fig. 4, Fig. 5 and Fig. 6, the connected mode of internal exchanger 50 is not limited to this, internal
The entrance point that heat exchanger 50 is positioned on major loop can be respectively communicated with indoor heat exchanger 10 or QI invigorating expansion valve 40, and connection is internal changes
The pipeline of hot device 50 can intersect or do not intersect.
Referring to Fig. 1, Fig. 2 and Fig. 3, when air conditioning system 100 is in refrigeration mode, flow from outdoor heat exchanger 20
The liquid refrigerants of the normal temperature high voltage gone out enters internal exchanger 50 and after internal exchanger 50 flows out, and operative liquid coolant is along mending
Air circuit enters QI invigorating expansion valve 40 and carries out reducing pressure by regulating flow, subsequently into internal exchanger 50 and major loop in internal exchanger 50
Interior coolant carries out heat exchange, is evaporated to gas after the heat of the coolant in the liquid refrigerants absorption major loop in QI invigorating loop,
Compressor 30 is entered afterwards by gas supplementing opening 32, the coolant heat release of major loop, it is accordingly changed into supercooled liquid coolant and enters indoor
Heat exchanger 10.
When air conditioning system 100 is in heating mode, from the liquid refrigerants of the normal temperature high voltage that indoor heat exchanger 10 flows out
Part enters QI invigorating expansion valve 40 and carries out reducing pressure by regulating flow along QI invigorating loop, subsequently into internal exchanger 50 and internal exchanger 50
Coolant in middle major loop carries out heat exchange, evaporates after the heat of the liquid refrigerants that the liquid refrigerants in QI invigorating loop absorbs major loop
For gas, enter compressor 30 finally by gas supplementing opening 32, the coolant heat release of major loop, thus become from the liquid refrigerants of room temperature
Supercooled liquid coolant and enter outdoor heat exchanger 20.
Further, outdoor heat exchanger 20 and internal exchanger 50, indoor heat exchanger 10 and internal exchanger 50
Between be respectively equipped with electric expansion valve 60 to regulate the flow of major loop, and this electric expansion valve 60 parallel connection is provided with check valve
70。
So, when air conditioning system 100 is refrigeration mode, the electric expansion valve 60 that outdoor heat exchanger 20 port of export connects
Close and check valve 70 is opened, coolant enters internal exchanger 50 through check valve 70 and avoids the resistance drop of electric expansion valve 60
The temperature of low coolant.The electric expansion valve 60 that internal exchanger 50 port of export connects is opened and check valve 70 is closed, coolant thus
Outdoor heat exchanger 20 is entered to control flow by electric expansion valve 60 through electric expansion valve 60.
When air conditioning system 100 is heating mode, the electric expansion valve 60 that indoor heat exchanger 10 port of export connects is closed
And check valve 70 is opened, coolant enters internal exchanger 50 through check valve 70 and avoids the resistance of electric expansion valve 60 to reduce cold
The temperature of matchmaker.The electric expansion valve 60 that internal exchanger 50 port of export connects is opened and check valve 70 is closed, coolant thus pass through
Electric expansion valve 60 enters indoor lateral heat exchanger to control flow by electric expansion valve 60.
Therefore, electric expansion valve 60 can be controlled according to actual operating mode, be regulated by the aperture of electric expansion valve 60
The pressure of QI invigorating end pressure sensor, to control the air compensation of supply compressor 30, reaches optimal refrigeration or heating effect.And
And, the check valve 70 being parallel to electric expansion valve 60 can avoid the resistance of electric expansion valve 60 to reduce changing of internal exchanger 50
The hot temperature difference and have influence on heat transfer effect, reach to promote the purpose of air compensation of air conditioning system 100.
Compressor 30 also includes that air entry 34, air conditioning system 100 also include vapour liquid separator 80, going out of vapour liquid separator 80
QI KOU connects with the air entry 34 of compressor 30, the air inlet of vapour liquid separator 80 selectively connect indoor heat exchanger 10 or
Outdoor heat exchanger 20.Vapour liquid separator 80 can be used for storing coolant, filtration and oil return.Outdoor heat exchanger 20 or indoor are changed
The coolant of hot device 10 output enters vapour liquid separator 80 and flows into bottom, and the coolant of gaseous state rises to top and returns to compressor 30,
Liquid refrigerants then gasifies gradually in the bottom of gas-liquid separator, is then return in compressor 30, thus prevents liquid refrigerants from entering
Compressor 30.
Wherein in an embodiment, compressor 30 also includes equal hydraulic fluid port 36, and equal hydraulic fluid port 36 is by capillary tube and vapor-liquid separation
Device 80 connects, thus is regulated the oil mass size of two compressors 30 by vapour liquid separator 80.
Compressor 30 also includes that air vent 38, air conditioning system 100 also include cross valve 90, and four valve ports of cross valve 90 divide
The most selectively connection outdoor heat exchanger 20, indoor heat exchanger 10 and vapour liquid separator 80.When air-conditioning is in refrigeration mode
Time, the air vent 38 of compressor 30 all passes through four-way with outdoor heat exchanger 20, indoor heat exchanger 10 with vapour liquid separator 80
Valve 90 connects.When air-conditioning is in heating mode, air vent 38 and indoor heat exchanger 10, the outdoor heat exchanger of compressor 30
20 are all connected by cross valve 90 with vapour liquid separator 80.So, control the on off operating mode of the valve port of cross valve 90, can control
The flow direction of coolant, makes air conditioning system 100 be in refrigeration or heat state.
Above-mentioned air conditioning system 100, including two compressors being arranged in parallel 30, thus the reality can run according to compressor bank
Border situation selects the different methods of operation to obtain higher efficiency.Further, QI invigorating loop it is provided with so that compressor 30 to be mended
Gas, thus increase capacity to improve the work efficiency of compressor 30.Additionally, electric expansion valve 60 makes with the in parallel of check valve 70
With electric expansion valve 60 can be avoided to suspend restriction loss when using, to improve heat transfer temperature difference and the heat exchange effect of internal exchanger 50
Rate.
As it is shown in figure 1, a kind of electric automobile, including above-mentioned air conditioning system 100, to regulate the temperature in electric automobile.
This electric automobile owing to using this air conditioning system 100, the therefore low-temperature heating capability improving 25% when-15 DEG C,
COP (Coefficient Of Performance, heating energy efficiency ratio) promotes 16%.So, environment inside car comfortableness is being improved
While, decrease the air-conditioning impact on electric motor car course continuation mileage, reduce the charging times of electric automobile, save the energy.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an air conditioning system (100), it is characterised in that include indoor heat exchanger (10), outdoor heat exchanger (20) and set
Compressor bank between described indoor heat exchanger (10) and described outdoor heat exchanger (20), described compressor bank includes two
The individual compressor (30) being arranged in parallel, described indoor heat exchanger (10) and described outdoor heat exchanger (20) are selectively simultaneously
Connect two described compressors (30) or only connect one of them described compressor (30) to form major loop.
Air conditioning system the most according to claim 1 (100), it is characterised in that described compressor (30) offers gas supplementing opening
(32), described air conditioning system (100) also includes the QI invigorating loop being provided with QI invigorating expansion valve (40), and one end, described QI invigorating loop connects
Major loop between described indoor heat exchanger (10) and described outdoor heat exchanger (20), the other end and described compressor
(30) connected by described gas supplementing opening (32).
Air conditioning system the most according to claim 2 (100), it is characterised in that described air conditioning system (100) includes that inside is changed
Hot device (50), described internal exchanger (50) is positioned on described major loop and is located at described outdoor heat exchanger (20) and described room
Between inner side heat exchanger (10), described QI invigorating loop is through described internal exchanger (50) inside and at described internal exchanger
(50) inside and described major loop heat exchange.
Air conditioning system the most according to claim 3 (100), it is characterised in that main described in described internal exchanger (50)
The flow direction of the medium in loop is contrary with the flow direction of the medium in described QI invigorating loop.
Air conditioning system the most according to claim 3 (100), it is characterised in that described internal exchanger (50) is bushing type
Heat exchanger or plate type heat exchanger.
Air conditioning system the most according to claim 3 (100), it is characterised in that described outdoor heat exchanger (20) is with described
It is respectively equipped with electric expansion valve between internal exchanger (50), described indoor heat exchanger (10) and described internal exchanger (50)
(60), described electric expansion valve (60) is parallel with check valve (70).
Air conditioning system the most according to claim 1 (100), it is characterised in that described compressor (30) also includes air entry
(34), described air conditioning system (100) also includes vapour liquid separator (80), the gas outlet of described vapour liquid separator (80) and described pressure
Air entry (34) connection of contracting machine (30), the air inlet of described vapour liquid separator (80) selectively connects the heat exchange of described indoor
Device (10) or described outdoor heat exchanger (20).
Air conditioning system the most according to claim 7 (100), it is characterised in that described compressor (30) also includes equal hydraulic fluid port
(36), described equal hydraulic fluid port (36) is connected with described vapour liquid separator (80) by capillary tube.
Air conditioning system the most according to claim 7 (100), it is characterised in that described compressor (30) also includes air vent
(38), described air conditioning system (100) also includes cross valve (90), and four valve ports of described cross valve (90) selectively connect
Logical described outdoor heat exchanger (20), indoor heat exchanger (10) and vapour liquid separator (80).
10. an electric automobile, it is characterised in that include air conditioning system as claimed in any one of claims 1 to 9 wherein (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831915.6A CN106225297A (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and electric automobile with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831915.6A CN106225297A (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and electric automobile with same |
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| CN106225297A true CN106225297A (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610831915.6A Pending CN106225297A (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and electric automobile with same |
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| CN203824009U (en) * | 2014-05-20 | 2014-09-10 | 宁波惠康实业有限公司 | Fresh air ventilator capable of recycling condensation heat |
| CN104121722A (en) * | 2014-07-23 | 2014-10-29 | 庹明慧 | Heat pump air-conditioning system for electric or hybrid vehicle |
| CN206094632U (en) * | 2016-09-18 | 2017-04-12 | 珠海格力电器股份有限公司 | Air conditioning system and electric automobile with same |
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Application publication date: 20161214 |