CN107449174A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN107449174A CN107449174A CN201710613381.4A CN201710613381A CN107449174A CN 107449174 A CN107449174 A CN 107449174A CN 201710613381 A CN201710613381 A CN 201710613381A CN 107449174 A CN107449174 A CN 107449174A
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- CN
- China
- Prior art keywords
- air conditioner
- heat exchanger
- conditioner according
- valve
- copper piece
- 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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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- 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
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F25B2500/06—Damage
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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)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
According to an embodiment of the invention, the present invention proposes a kind of air conditioner, and the air conditioner includes：Indoor heat exchanger；Compressor, the compressor are connected with the indoor heat exchanger；Outdoor heat exchanger, the outdoor heat exchanger are connected with the compressor；Orifice union, the orifice union are connected with the outdoor heat exchanger and the indoor heat exchanger respectively；Refrigerant line, the refrigerant line connect indoor heat exchanger, the compressor, the outdoor heat exchanger and the expansion valve to form refrigerant circulation；First and second stop valves, first and second stop valve is separately positioned between the indoor heat exchanger and compressor, between the indoor heat exchanger and the orifice union, wherein, at least a portion of at least one of the indoor heat exchanger, the compressor, the outdoor heat exchanger, the orifice union, the refrigerant line and described stop valve is anaerobic copper piece.The element that the air conditioner can be effectively prevented from air conditioner is corroded.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular it relates to a kind of air conditioner.
Background technology
Air conditioner, also referred to as i.e. air regulator (Air Conditioner), refer to manually means, to building/constructing
The equipment that the parameter such as the temperature of surrounding air, humidity, cleanliness factor, speed is adjusted and controlled in thing.
However, current air conditioner still has much room for improvement.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
The present invention is following discovery based on inventor and the understanding of the fact is completed：
Inventor is carrying out research process to air conditioner, it is found that weather and air ambient are adjusted for the temperature of air conditioner
Section efficiency such as refrigerating efficiency can have a significant impact even with the life-span, for example, inventor has found that sulfur content compares in atmosphere
High, atmosphere pollution is than in more serious environment, the service life and temperature adjustment efficiency such as refrigerating efficiency of air conditioner have
It is decreased obviously.Therefore, inventor has made intensive studies discovery, in air, sulfur content is higher, atmosphere pollution is than more serious
In environment, for example, in tropical rain forest, the atmosphere pollution such as wet environment, air be poor, vehicle exhaust, volcanic gas it is tighter
The part such as area, evaporator, condenser pipe and the connecting tube of air-conditioning of weight due to containing copper member such as copper pipe, so easily by
Corrosion, over time, corrosion can cause the leakage of air-conditioning duct, especially when running refrigeration mode, copper pipe surface
Have a condensed water, the acid that the sulfurous gas (such as sulfur dioxide) in condensed water absorption air is formed afterwards can react with copper pipe
Accelerate corrosion, so as to severely impact the service life of air conditioner and temperature adjustment efficiency especially refrigerating efficiency.
Inventor is had found by in-depth study, by the way that the copper member employed in air conditioner is replaced with into anaerobic copper piece,
Air conditioner can be effectively prevented to be corroded in use, so as to be effectively prevented from air-conditioning duct leakage, in addition, inventor
It is surprised to find that can to effectively improve the temperature adjustment efficiency of air conditioner by using anaerobic copper piece.
In view of this, it is a kind of with corrosion-resistant erosion or excellent performance such as temperature adjustment it is an object of the present invention to propose
The air conditioner of the advantages that efficiency high.
In one aspect of the invention, the present invention proposes a kind of air conditioner, according to an embodiment of the invention, the air conditioner
Including：Indoor heat exchanger；Compressor, the compressor are connected with the indoor heat exchanger；Outdoor heat exchanger, the outdoor heat exchange
Device is connected with the compressor；Orifice union, the orifice union respectively with the outdoor heat exchanger and the indoor heat exchanger
It is connected；Refrigerant line, the refrigerant line connect the indoor heat exchanger, the compressor, the outdoor heat exchanger and
The orifice union is to form refrigerant circulation；First and second stop valves, first and second stop valve are set respectively
Between the indoor heat exchanger and compressor, between the indoor heat exchanger and the orifice union, wherein, the interior is changed
Hot device, the compressor, the outdoor heat exchanger, the orifice union, the refrigerant line, first stop valve and institute
At least a portion for stating at least one of the second stop valve is anaerobic copper piece.Inventor is it was unexpectedly observed that by air conditioner
Using anaerobic copper piece, the element that can be effectively prevented from air conditioner is corroded, so as to be effectively prevented from air-conditioning duct leakage, effectively
Ground extends the service life of air conditioner, in addition, inventor is also surprising that by using anaerobic copper piece in air conditioner,
The temperature adjustment efficiency such as refrigerating efficiency of air conditioner can be improved.
According to an embodiment of the invention, air conditioner described above can also have following additional technical feature at least
One of：
According to an embodiment of the invention, the indoor heat exchanger separately includes with the outdoor heat exchanger：It is multiple
Fin, the multiple fin are arranged side by side；Heat conducting pipe, the heat conducting pipe are located in the multiple fin, wherein, the fin
At least a portion with least one of the heat conducting pipe is anaerobic copper piece.Thus, it is possible to effectively further avoid air conditioner
Element be corroded, and further improve air conditioner temperature adjustment efficiency such as refrigerating efficiency.
According to an embodiment of the invention, the heat conducting pipe is made up of oxygen-free copper.Thus, it is possible to effectively further avoid sky
Adjust the element of device to be corroded, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the heat conducting pipe includes U-shaped coil pipe, and at least a portion of the U-shaped coil pipe is nothing
Oxygen copper pipe.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve the temperature of air conditioner
Adjust efficiency such as refrigerating efficiency.
According to an embodiment of the invention, the heat conducting pipe includes more sub- heat conducting pipes in parallel, the multiple sub- heat conducting pipe
At least one of be oxygen-free copper pipe.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further carry
The temperature adjustment efficiency such as refrigerating efficiency of high air conditioner.
According to an embodiment of the invention, the heat conducting pipe includes：Heat conducting pipe body, refrigerant is limited in the body and is led to
Road；And heat conduction pipe screw thread, the screw thread are formed on the inwall of the body.Thus, it is possible to effectively further avoid sky
Adjust the element of device to be corroded, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the outer surface of the body does not have anti-corrosion layer.Thus, it is possible to further effectively
Ground avoids the element of air conditioner from being corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the refrigerant line includes indoor and outdoor machine connecting line, and the indoor and outdoor machine connects
Adapter road includes：Connecting tube body, refrigerant passage is limited in the connecting tube body；Heat-insulation layer, the heat-insulation layer are arranged
In the outer surface of the connecting tube body；Wherein, at least a portion of the connecting tube body is anaerobic copper piece.Thus, it is possible to
The element of air conditioner is effectively further avoided to be corroded, and further the temperature adjustment efficiency of raising air conditioner is for example freezed
Efficiency.
According to an embodiment of the invention, the indoor and outdoor machine connecting line includes pressure duct and low pressure line, the height
Pressure pipe road and the low pressure line are anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded,
And further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the outer surface of the connecting tube body is formed with screw thread.Thus, it is possible to further have
Avoid the element of air conditioner from being corroded to effect, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the connecting tube outer surface of tube body does not have anti-corrosion layer.Thus, it is possible to further
The element for being effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the refrigerant line includes indoor set auxiliary piping, the indoor set auxiliary tube
Road includes：Indoor set connecting tube；Indoor set branch pipe；Distributor, the distributor respectively with the indoor set connecting tube and described
Indoor set branch pipe is connected, and is in fluid communication so that the indoor set connecting tube is formed with the indoor set branch pipe, wherein, it is described
At least a portion of at least one of indoor set connecting tube, the indoor set branch pipe and the distributor is anaerobic copper piece.Thus,
It can effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment efficiency of air conditioner for example
Refrigerating efficiency.
According to an embodiment of the invention, the distributor includes：Housing, main channel and a plurality of branch are limited in the housing
Road, a plurality of branch road connect with the main channel, wherein, the indoor set connecting tube is connected with the primary path, described
Indoor set branch pipe is connected with the branch road, the housing, the main channel, the branch road, the indoor set connecting tube, the room
At least a portion of at least one of interior machine branch road is anaerobic copper piece.Thus, it is possible to effectively further avoid the member of air conditioner
Part is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, further comprise：Four-way valve, the four-way valve are used to switch the outdoor heat exchanger
With the function of the indoor heat exchanger, wherein, at least a portion of the four-way valve is anaerobic copper piece.Thus, it is possible to further
The element for being effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the four-way valve includes:Solenoid pilot valve；Main valve body, the main valve body with it is described
Solenoid pilot valve is connected by capillary；First to fourth valve port, first to fourth valve port are arranged on the main valve body,
And first valve port is connected with the exhaust outlet of the compressor, the air entry phase of second valve port and the compressor
Even, the 3rd valve port is connected with the indoor heat exchanger, and the 4th valve port is connected with the outdoor heat exchanger, wherein, institute
At least a portion for stating at least one of main valve body, the capillary, first to fourth valve port is anaerobic copper piece.Thus,
It can effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment efficiency of air conditioner for example
Refrigerating efficiency.
According to an embodiment of the invention, further comprise：High pressure valve, the high pressure valve be arranged on second stop valve with
Between the outdoor heat exchanger；Low pressure valve, the low pressure valve are arranged between first stop valve and the orifice union, its
In, at least a portion of at least one of the low pressure valve and described high pressure valve is anaerobic copper piece.Thus, it is possible to further effectively
Ground avoids the element of air conditioner from being corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the orifice union includes：Filter, the filter and the outdoor heat exchanger
It is connected；Electric expansion valve, the electric expansion valve are connected with the filter and second stop valve respectively；First and second
Silencer, first and second silencer are separately positioned between the filter and the electric expansion valve, and described
Between electric expansion valve and second stop valve, wherein, the filter, the electric expansion valve, described first and second
At least one of silencer is anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, Yi Jijin
One step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, further comprise：Anaerobic copper capillary tube and oxygen-free copper transition conduit, the anaerobic capillary copper
Tubule and oxygen-free copper transition conduit are arranged on the electric expansion valve and first silencer, and the electric expansion valve and institute
State between the second silencer.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve empty
Adjust the temperature adjustment efficiency such as refrigerating efficiency of device.
According to an embodiment of the invention, the anaerobic copper piece is selected from least one of TU0, TU1 and TU2.Thus, it is possible to
The element of air conditioner is effectively further avoided to be corroded, and further the temperature adjustment efficiency of raising air conditioner is for example freezed
Efficiency.
According to an embodiment of the invention, the copper content of the anaerobic copper piece is at least 99.97 weight %.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the copper content of the anaerobic copper piece is at least 99.99 weight %.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the phosphorus content of the anaerobic copper piece is at most 0.002 weight %.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the phosphorus content of the anaerobic copper piece is at most 0.0017 weight %.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the elongation of the anaerobic copper piece is at least 45%.Thus, it is possible to further effectively
Ground avoids the element of air conditioner from being corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the elongation of the anaerobic copper piece is at least 50%.Thus, it is possible to further effectively
Ground avoids the element of air conditioner from being corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the grain size of the anaerobic copper piece is 0.020~0.035 millimeter.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the surface cleanliness of the anaerobic copper piece is at most 17 ㎎/㎡.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the surface cleanliness of the anaerobic copper piece is at most 10 ㎎/㎡.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the tensile strength of the anaerobic copper piece is 235~245N/ ㎜2.Thus, it is possible to enter
The element that one step is effectively prevented from air conditioner is corroded, and further improves the temperature adjustment efficiency of air conditioner and for example freeze effect
Rate.
According to an embodiment of the invention, the anaerobic copper piece is handled by process annealing.Thus, it is possible to further have
Avoid the element of air conditioner from being corroded to effect, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, the process annealing processing is carried out 35~45 minutes under 370-420 degrees Celsius.
Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment effect of air conditioner
Rate such as refrigerating efficiency.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 shows the structural representation of air conditioner according to an embodiment of the invention；
Fig. 2 shows the structural representation of heat exchanger in accordance with another embodiment of the present invention；
Fig. 3 shows the structural representation of heat exchanger heat conducting pipe in accordance with another embodiment of the present invention；
Fig. 4 shows the structural representation of heat exchanger heat conducting pipe in accordance with another embodiment of the present invention；
Fig. 5 shows the structural representation of heat exchanger in accordance with another embodiment of the present invention；
Fig. 6 shows the structural representation of indoor and outdoor machine connecting line according to an embodiment of the invention；
Fig. 7 shows the structural representation of indoor and outdoor machine connecting line in accordance with another embodiment of the present invention；
Fig. 8 shows the structural representation of indoor set auxiliary piping according to an embodiment of the invention；
Fig. 9 shows the structural representation of indoor set distributor according to an embodiment of the invention；
Figure 10 shows the structural representation of four-way valve according to an embodiment of the invention；
Figure 11 shows the structural representation of air conditioner in accordance with another embodiment of the present invention；
Figure 12 shows the structural representation of orifice union according to an embodiment of the invention；
Figure 13 shows the structural representation of air-conditioner outdoor unit in accordance with another embodiment of the present invention；
Figure 14 shows the structural representation of air-conditioner outdoor unit in accordance with another embodiment of the present invention；
Figure 15 shows the electron microscope of TP2 copper pipes according to an embodiment of the invention；
Figure 16 shows the electron microscope of oxygen-free copper copper pipe according to an embodiment of the invention；
Figure 17 shows that oxygen-free copper copper pipe according to an embodiment of the invention (TU1, rhombus) exists with TP2 copper pipes (square)
Corrosion rate curve in salting liquid, in salting liquid, TU1 uniform corrosion rate less than TP2, (get over by the smaller corrosion rate of data
Small, corrosion resistance is better)；
Figure 18 shows that oxygen-free copper copper pipe according to an embodiment of the invention (TU1, rhombus) exists with TP2 copper pipes (square)
The corrosion rate curve of sulfur dioxide atmosphere, in sulfur dioxide atmosphere, in SO2 environment, TU1 uniform corrosion rate disperses
Property be less than TP2 (dispersiveness is small to show that the difference of each position is smaller, and overall anti-corrosion gender gap is small).
Reference：
Indoor heat exchanger 100；Compressor 200；Outdoor heat exchanger 300；Orifice union 400；Refrigerant line 500；First
Stop valve 600, the second stop valve 700；Fin 110；Heat conducting pipe 120；Distributor 130；Connecting tube body 510；Heat-insulation layer 520；
Indoor and outdoor machine connecting tube low-voltage tube body 510A；Indoor and outdoor machine connecting tube high-voltage tube body 510B；Indoor and outdoor machine connecting tube low pressure
Pipe heat-insulation layer 520A；Indoor and outdoor machine connecting tube high-voltage tube heat-insulation layer 520B；High-voltage tube copper nut 530B；High-voltage tube copper nut seals
Fill in 540B；Low-voltage tube copper nut 530A；Low-voltage tube copper nut sealing plug 540A；Indoor set connecting tube 5510；Indoor set branch pipe
5520；Distributor body 1310；Main channel 13110；Branch road 13120；Solenoid pilot valve 810；Main valve body 820；First to fourth
Valve port 8210~8240；High pressure valve 900；Low pressure valve 1000；Filter 410；Electric expansion valve 420；First silencer 430；The
Two silencers 440；Anaerobic copper capillary tube 450；Oxygen-free copper transition conduit 460.
Embodiment
Embodiments of the invention are described below in detail.The embodiments described below is exemplary, is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Unreceipted particular technique or condition in embodiment, according to text in the art
Offer described technology or condition or carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument,
For the conventional products of acquisition purchased in market can be passed through.
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, it is of the invention necessary with simplified description, rather than the device or element of instruction or hint meaning to be for only for ease of description
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
The present invention is following discovery based on inventor and the understanding of the fact is completed：
Inventor is carrying out research process to air conditioner, it is found that weather and air ambient are adjusted for the temperature of air conditioner
Section efficiency such as refrigerating efficiency can have a significant impact even with the life-span, for example, inventor has found that sulfur content compares in atmosphere
High, atmosphere pollution is than in more serious environment, the service life and temperature adjustment efficiency such as refrigerating efficiency of air conditioner have
It is decreased obviously.Therefore, inventor has made intensive studies discovery, in air, sulfur content is higher, atmosphere pollution is than more serious
In environment, for example, in tropical rain forest, the air such as wet environment, air be poor, vehicle exhaust, volcanic gas, acid rain are serious
The parts such as the more serious area of damage ratio, evaporator, condenser pipe and the connecting tube of air-conditioning are due to containing copper member such as copper pipe, institute
Easily to be corroded, over time, corrosion can cause the leakage of air-conditioning duct, especially when operation refrigeration mode
When, copper pipe surface has a condensed water, and the acid that the sulfurous gas (such as sulfur dioxide) in condensed water absorption air is formed afterwards can be with
Copper pipe, which reacts, accelerates corrosion, especially freezes so as to severely impact the service life of air conditioner and temperature adjustment efficiency
Efficiency.
Inventor is had found by in-depth study, in order to avoid air conditioner is adjusted in temperature under foregoing mal-condition
Copper member corrodes especially in process of refrigerastion during section.Would generally be corrosion-resistant in copper member surface spraying or plating
Layer, such as in copper member surface spraying resistant material, or electroplate other protective metal layer such as tin.But so grasp
Work can significantly improve manufacturing cost, and either spraying or plating are all difficult the forming position of control anti-corrosion layer, are prepared
During often by anti-corrosion layer spray or be electroplated onto on the peripheral element of copper member.For example, in the heat conducting pipe of heat exchanger
When surface spraying or plating anti-corrosion layer, it will usually resistant material is sprayed or is electroplated onto on fin, so as to cause
Manufacturing process poor reliability, yields is low, further increases the production cost of air-conditioning.
Thus, inventor further has made intensive studies to how to avoid copper member that corrosion occurs, in air conditioner
Copper member has carried out material substitution, such as copper member is replaced into aluminium element.By to full aluminium heater (evaporator or condensation
Device) carry out analysis and find, the market acceptance of full aluminium heater is bad, and heat conductivility is poor.
In research process, inventor is surprised to find that by the way that the copper member employed in air conditioner is replaced with into oxygen-free copper
Part, air conditioner can be effectively prevented from and be corroded in use, so as to be effectively prevented from air-conditioning duct leakage, in addition, hair
A person of good sense is surprised to find that the temperature adjustment efficiency of air conditioner can be effectively improved by using anaerobic copper piece.
In view of this, it is a kind of with corrosion-resistant or excellent performance such as temperature adjustment effect it is an object of the present invention to propose
The air conditioner for the advantages that rate is high.
In one aspect of the invention, the present invention proposes a kind of air conditioner, with reference to figure 1~18, according to the reality of the present invention
Example is applied, the air conditioner includes：Indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300, orifice union 400, refrigerant pipe
Road 500, the first stop valve 600 and the second stop valve 700.Wherein, according to an embodiment of the invention, compressor 200 changes with interior
Hot device 100 be connected, outdoor heat exchanger 300 is connected with compressor 200, orifice union 400 respectively with outdoor heat exchanger 300 and interior
Heat exchanger 100 is connected, and refrigerant line 500 connects indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300 and throttling group
Part 400 to form refrigerant circulation, the first stop valve 600 and the second stop valve 700 be separately positioned on indoor heat exchanger 100 with
Between compressor 200, between indoor heat exchanger 100 and orifice union 400.So as to, in the running of air conditioner, refrigerant
Can pass sequentially through indoor heat exchanger 100, the first stop valve 600, compressor 200, outdoor heat exchanger 300, orifice union 400,
Second stop valve 700, finally returns indoor heat exchanger 100, so as to form refrigerant circulation, and the gas phase for passing through refrigerant
The heat exchange between conversion, refrigerant and interior or outdoor air between liquid phase, it is achieved thereby that the tune to indoor temperature
Section for example carries out refrigeration processing.According to an embodiment of the invention, indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300,
At least a portion of at least one of orifice union 400, the stop valve 600 of refrigerant line 500 and first, the second stop valve 700
For anaerobic copper piece.Inventor can be effectively prevented from air conditioner it was unexpectedly observed that by using anaerobic copper piece in air conditioner
Element is corroded, and so as to be effectively prevented from air-conditioning duct leakage, the service life of air conditioner is effectively extended, in addition, invention
People is also surprising that, by using anaerobic copper piece in air conditioner, the temperature adjustment efficiency that can improve air conditioner is for example made
Cold efficiency.Especially, when using oxygen-free copper in the exchange piece such as indoor heat exchanger 100 and outdoor heat exchanger 300 of air conditioner
During part, the temperature adjustment efficiency of air-conditioning can be significantly improved.
It should be noted that term " being at least partially anaerobic copper piece " used in herein refers to, in air-conditioning
Specific part, all can be made up of oxygen-free copper or subelement therein or portion of material are oxygen-free copper.
It is made of oxygen-free copper that term " anaerobic copper piece " used in herein, which refers to the element,.
Term " oxygen-free copper " used in herein refers to such a copper product, and its copper content is high, and oxygen content is relatively low.
Typically, the content of Oxygen in Oxygen-Free Copper is not more than 0.003%, and content of impurities is not more than 0.05%, and the purity of copper is more than
99.95%.Specifically, according to an embodiment of the invention, according to an embodiment of the invention, anaerobic copper piece be selected from TU0, TU1 and
At least one of TU2, according to a particular embodiment of the invention, materials of the TU1 as anaerobic copper piece can be used.Thus, it is possible to
The element of air conditioner is effectively further avoided to be corroded, and further the temperature adjustment efficiency of raising air conditioner is for example freezed
Efficiency.According to an embodiment of the invention, the copper content of anaerobic copper piece is at least 99.97 weight %.Thus, it is possible to further effectively
Ground avoids the element of air conditioner from being corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to
Embodiments of the invention, the copper content of anaerobic copper piece is at least 99.99 weight %.Thus, it is possible to effectively further avoid sky
Adjust the element of device to be corroded, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to the present invention's
Embodiment, the phosphorus content of anaerobic copper piece is at most 0.002 weight %.Thus, it is possible to effectively further avoid the member of air conditioner
Part is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to an embodiment of the invention, nothing
The phosphorus content of oxygen copper piece is at most 0.0017 weight %.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded,
And further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Inventor is by testing it was unexpectedly observed that working as nothing
The copper content of the U-tube of oxygen copper piece such as heat exchanger is at least 99.99 weight %, when phosphorus content is at most 0.0017 weight %,
It is resisted the corrosive power of salting liquid and sulfur dioxide atmosphere and can significantly increased, and the temperature adjustment efficiency of air-conditioning is for example freezed effect
Rate can be significantly improved, and this is probably because the raising of copper content can be so that the heat exchange property of air-conditioning be accordingly lifted.
In addition, the present inventor is to oxygen-free copper to be used to prepare air conditioner element and conduct in-depth research discovery,
, can be to anaerobic copper piece in order to improve the operational reliability of air-conditioning when oxygen-free copper to be used to prepare air conditioner element
Performance parameter is adjusted.Specifically, according to an embodiment of the invention, the elongation of anaerobic copper piece is at least 45%.Thus, may be used
Effectively further to avoid the element of air conditioner from being corroded, and further the temperature adjustment efficiency of raising air conditioner is for example made
Cold efficiency.According to an embodiment of the invention, the elongation of anaerobic copper piece is at least 50%.Thus, it is possible to effectively further keep away
The element for exempting from air conditioner is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to this hair
Bright embodiment, the grain size of anaerobic copper piece is 0.020~0.035 millimeter.Thus, it is possible to effectively further avoid air conditioner
Element be corroded, and further improve air conditioner temperature adjustment efficiency such as refrigerating efficiency.According to the implementation of the present invention
Example, the surface cleanliness of anaerobic copper piece is at most 17 ㎎/㎡.Thus, it is possible to effectively further avoid the element quilt of air conditioner
Corrosion, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to an embodiment of the invention, oxygen-free copper
The surface cleanliness of part is at most 10 ㎎/㎡.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and
Further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to an embodiment of the invention, the tension of anaerobic copper piece
Intensity is 235~245N/ ㎜2.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further carry
The temperature adjustment efficiency such as refrigerating efficiency of high air conditioner.
In addition, present inventors discovered unexpectedly that, in the preparation process of anaerobic copper piece, by annealing
Condition optimizes, and can effectively improve performance when anaerobic copper piece is applied to air conditioner.Specifically, the reality according to the present invention
Example is applied, anaerobic copper piece is handled by process annealing.Thus, it is possible to effectively further avoid the element of air conditioner rotten
Erosion, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.It should be noted that used herein
Term " process annealing processing " refer to annealing temperature be less than conventional TP2 copper pipes annealing temperature.According to an embodiment of the invention,
Process annealing processing is carried out 35~45 minutes under 370-420 degrees Celsius.Those skilled in the art can pass through normal experiment
Properties of product according to finally using determine suitable annealing temperature.Thus, it is possible to effectively further avoid the member of air conditioner
Part is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to an embodiment of the invention, send out
Person of good sense's discovery, can be by former TP2 copper pipes crystallite dimension by 0.015- by being carried out 35~45 minutes under 370-420 degrees Celsius
0.020mm is reduced to 0.008-0.010mm, make TU1 copper pipes intensity reach the level suitable with TP2 copper pipes (with reference to figure 15 and
16)。
In order to facilitate understanding, each critical piece of air conditioner is described in detail below.
Heat exchanger is refrigerant, and the main place of temperature adjustment, the position according to set by heat exchanger occur with outside air
Put, be referred to as indoor heat exchanger 100 and outdoor heat exchanger 300 herein.In addition, skilled artisans appreciate that
It is that refrigerant is by the heat exchanger that liquid phase is gas phase, also referred to as evaporator, heat exchange of the refrigerant by gas phase transition for liquid phase
Device, also referred to as condenser.According to an embodiment of the invention, indoor heat exchanger 100 and outdoor heat exchanger 300 can be same types
Heat exchanger or different types of heat exchanger.
With reference to figure 2~5, according to an embodiment of the invention, indoor heat exchanger 100 can be only respectively with outdoor heat exchanger 300
On the spot include：Multiple fins 110 and heat conducting pipe 120.According to an embodiment of the invention, multiple fins 110 are arranged side by side, heat conducting pipe
120 are located in the multiple fins 110 being arranged side by side, so as to when refrigerant from heat conducting pipe 120 by when, can effectively lead to
Cross heat conducting pipe 120 and fin 110 and heat exchange occurs with outside air (indoor or outdoor), so as to realize the phase of refrigerant
Become, and then realize the temperature adjustment to room air.According to an embodiment of the invention, fin 110 and heat conducting pipe 120 at least it
One at least a portion is anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and enter one
Step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.According to an embodiment of the invention, heat conducting pipe 120 is by anaerobic copper
Into.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment of air conditioner
Efficiency such as refrigerating efficiency.According to an embodiment of the invention, the refrigerant in indoor heat exchanger 100 or outdoor heat exchanger 300
When being changed into gas phase by liquid phase scrubbing external heat, due to easily forming water droplet on the surface of heat exchanger, so as to easily to conduct
The heat exchanger of air conditioner critical piece causes to corrode, especially when air quality is poor, such as tropical rain forest, moist ring
The atmosphere pollution such as border, air are poor, vehicle exhaust, volcanic gas, acid rain are serious are than more serious area.Outdoor heat exchanger 300
By exposure to outdoor, contacted with outdoor air, therefore, when air quality is poor, such as tropical rain forest, wet environment,
The atmosphere pollution such as air is poor, vehicle exhaust, volcanic gas, acid rain are serious are easier than more serious area, outdoor heat exchanger 300
Generation corrosion phenomenon.For the present invention, due to indoor heat exchanger 100 or the heat conducting pipe 120 and wing of outdoor heat exchanger 300
At least a portion of at least one of piece 110 is at least one of anaerobic copper piece, in other words heat conducting pipe 120 and fin 110
At least a portion is made of oxygen-free copper.Therefore, it is possible to be reasonably resistant to the corrosiveness in the external world.In addition, inventor is unexpected
Ground is found, works as heat exchanger, when no matter indoor heat exchanger 100 or outdoor heat exchanger 300 are using oxygen-free copper, its resistance salting liquid with
And the corrosive power of sulfur dioxide atmosphere can significantly increase, the temperature adjustment efficiency such as refrigerating efficiency of air-conditioning can obtain significantly
Improve, this is probably because the raising of copper content can be so that the heat exchange property of air-conditioning be accordingly lifted.
With reference to figure 3 and Fig. 4, according to an embodiment of the invention, heat conducting pipe 120 includes U-shaped coil pipe, and at least the one of U-shaped coil pipe
Part is oxygen-free copper pipe.It is thus possible to the flow of refrigerant is effectively improved, so as to improve the efficiency of heat exchange.In addition, according to
Embodiments of the invention, multistage U-shape structure can be included, as shown in Figure 4.Due to the U-shaped turning of U-shaped coil pipe, in the preparation,
Wall thickness easily corrodes generally than relatively thin.Other materials is substituted by using oxygen-free copper, can be effectively prevented from corroding.From
And preparation cost is reduced, it can effectively further avoid the element of air conditioner from being corroded, and further improve air conditioner
Temperature adjustment efficiency such as refrigerating efficiency.
In addition, it will be appreciated to those of skill in the art that heat exchanger can also use other forms, for example, with reference to figure 5
According to an embodiment of the invention, heat conducting pipe 120 includes more sub- heat conducting pipes 1210 in parallel, and more sub- heat conducting pipes 1210 are at least
One of be oxygen-free copper pipe.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve air-conditioning
The temperature adjustment efficiency such as refrigerating efficiency of device.
In addition, according to an embodiment of the invention, heat conducting pipe 120 includes heat conducting pipe body, limiting refrigerant in body leads to
Road；And heat conduction pipe screw thread, screw thread form the (not shown) on the inwall of body.Thus, it is possible to improve changing for refrigerant
It the thermal efficiency, can effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment of air conditioner
Efficiency such as refrigerating efficiency.
It will be appreciated by those skilled in the art that the present invention substitutes current material by using oxygen-free copper, can effectively keep away
Exempt from air conditioner element to corrode, so as to which the outer surface of the heat conducting pipe 120 according to air conditioner element such as heat exchanger can not be set
Anti-corrosion layer is put, can equally realize corrosion resistant effect.Thus, it is possible to the production cost of air conditioner is further reduced, and
Heat transfer effect can be improved.Thus, embodiments of the invention, the outer surface of the body of heat conducting pipe 120 do not have anti-corrosion layer.Can
Effectively further to avoid the element of air conditioner from being corroded, and further the temperature adjustment efficiency of raising air conditioner is for example made
Cold efficiency.
According to a particular embodiment of the invention, inventor by U-tube heat exchanger decay resistance made of anaerobic copper piece with
U-shaped heat exchanger has carried out corrosion resistance test made of TP2 copper pipes, is as a result summarised in Figure 17 and Figure 18, wherein, Figure 17 is shown
The corrosion speed of oxygen-free copper copper pipe according to an embodiment of the invention (TU1, rhombus) with TP2 copper pipes (square) in salting liquid
Rate curve, in salting liquid, (the smaller corrosion rate of data is smaller, corrosion resistance less than TP2 for the uniform corrosion rate of TU1 oxygen-free coppers
Better).Figure 18 shows oxygen-free copper copper pipe according to an embodiment of the invention (TU1, rhombus) with TP2 copper pipes (square) two
The corrosion rate curve of sulfur oxide atmosphere, in sulfur dioxide atmosphere, in SO2In environment, the uniform corrosion rate of TU1 oxygen-free coppers
Dispersiveness is less than TP2 (dispersiveness is small to show that each position difference is smaller, and overall anti-corrosion gender gap is small).In addition, according to the present invention
Embodiment, inventor is by the sky of indoor heat exchanger made of U-tube indoor heat exchanger made of TU1 oxygen-free coppers and TP2 copper pipes
Adjust device model machine to compare, it is found that the high-temperature refrigeration positive effect of oxygen-free copper model machine is better than TP2 copper pipe model machines.Thus, it was demonstrated that
Oxygen-free copper is effectively applied to indoor heat exchanger or outdoor heat exchanger.It will be appreciated to those of skill in the art that change
Hot device especially evaporator will be far above the miscellaneous part of air conditioner for corrosion resistance requirement.
Refrigerant line 500 is described in detail below.
With reference to figure 6, according to an embodiment of the invention, refrigerant line 500 includes indoor and outdoor machine connecting line, the indoor and outdoor
Machine connecting line includes：Connecting tube body 510 and heat-insulation layer 520.According to an embodiment of the invention, in connecting tube body 510
Refrigerant passage is limited, heat-insulation layer 520 is set in the outer surface of connecting tube body 510, wherein, connecting tube body 510 is extremely
A few part is anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve
The temperature adjustment efficiency such as refrigerating efficiency of air conditioner.This area is, it is understood that the surface of the connecting tube body 510 is same
Anti-corrosion layer can be not provided with, so as to reduce production cost.
With reference to figure 7, according to an embodiment of the invention, indoor and outdoor machine connecting line includes pressure duct and low pressure line, high
Pressure pipe road and low pressure line are anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and
Further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Specifically, pressure duct and low pressure line include interior
Outer machine connecting tube low-voltage tube heat-insulation layer 520A, indoor and outdoor machine connecting tube high-voltage tube heat-insulation layer 520B, high-voltage tube copper nut 530B, height
Pressure pipe copper nut sealing plug 540B, low-voltage tube copper nut 530A and low-voltage tube copper nut sealing plug 540A.People in the art
Member is it is understood that these elements could be arranged to anaerobic copper piece, and the surface of these anaerobic copper piece can be equally not provided with
Anti-corrosion layer, so as to reduce production cost.
According to an embodiment of the invention, the outer surface of connecting tube body 510 is formed with screw thread.Thus the curved of connecting tube is facilitated
Folding.
With reference to figure 8 and Fig. 9, according to an embodiment of the invention, refrigerant line can also include indoor set auxiliary piping, room
Interior machine auxiliary piping includes：Indoor set connecting tube 5510；Indoor set branch pipe 5520；Distributor 130, distributor 130 respectively with room
Interior machine connecting tube 5510 is connected with indoor set branch pipe 5520, so that indoor set connecting tube 5510 and the structure of indoor set branch pipe 5520
Communication, wherein, at least the one of at least one of indoor set connecting tube 5510, indoor set branch pipe 5520 and distributor 130
Part is anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve air-conditioning
The temperature adjustment efficiency such as refrigerating efficiency of device.It will be appreciated to those of skill in the art that when air conditioner is used to freeze, room
Water droplet is easily formed at the connecting line of interior machine, so as to cause the corrosion of hardware.By being adopted in machine auxiliary piping indoors
With oxygenless copper material, the generation of corrosion can be effectively prevented from.In addition, it will be appreciated by those skilled in the art that by using nothing
Oxygen copper product, anti-corrosion layer can be no longer set in machine auxiliary piping indoors, so as to improve production efficiency, reduce production
Cost, improve the production yield of product.
With reference to figure 9, according to an embodiment of the invention, distributor 130 includes：Housing 1310, limited in the housing 1310
Going out main channel 13110 and a plurality of branch road 13120, a plurality of branch road 13120 connects with main channel 13110, wherein, indoor set connects
Adapter 5510 is connected with primary path 13110, and indoor set branch pipe 5520 is connected with branch road 13120, housing, main channel, branch road, interior
At least a portion of at least one of machine connecting tube, indoor set branch road is anaerobic copper piece.Thus, it is possible to effectively further avoid
The element of air conditioner is corroded, and further improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
With reference to figure 10, in addition, according to an embodiment of the invention, air conditioner can further include：Four-way valve, four-way valve
For switching the function of outdoor heat exchanger and indoor heat exchanger, wherein, at least a portion of four-way valve is anaerobic copper piece.Thus,
It can effectively further avoid the element of air conditioner from being corroded, and further improve the temperature adjustment efficiency of air conditioner for example
Refrigerating efficiency.By using four-way valve, it can effectively enable air-conditioning that there is refrigeration and heating effect simultaneously.Due at this
The air conditioner of inventive embodiments employs anaerobic copper piece, and therefore, either under the conditions of refrigeration or heating, air conditioner can support
Anti- extraneous corrosiveness.
According to a particular embodiment of the invention, four-way valve includes that solenoid pilot valve 810 and main valve body 820 can be included, main
Valve body 810 is connected with solenoid pilot valve 820 by capillary, and the first valve port 8210, the second valve port are provided with main valve body 810
8220th, the 3rd valve port 8230 and the 4th valve port 8240, and the first valve port 8210 is connected with the exhaust outlet of compressor 200, second
Valve port 8220 is connected with the air entry of compressor 200, and the 3rd valve port 8230 is connected with indoor heat exchanger 100, the 4th valve port 8240
It is connected 300 with outdoor heat exchanger, wherein, at least one of main valve body 810, capillary, first to fourth valve port 8210~8240
At least a portion be anaerobic copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further
Improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
With reference to 11~Figure 14 of figure, it will be appreciated to those of skill in the art that air conditioner can also have other elements.
Specifically, according to an embodiment of the invention, air conditioner may further include：High pressure valve 900 and low pressure valve 1000,
Wherein, high pressure valve 900 is arranged between the second stop valve 700 and outdoor heat exchanger 300, and low pressure valve 1000 is arranged on the first cut-off
Between valve 600 and orifice union 400, wherein, at least a portion of at least one of low pressure valve 1000 and high pressure valve 900 is anaerobic
Copper piece.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further improve the temperature tune of air conditioner
Save efficiency such as refrigerating efficiency.
In addition, according to an embodiment of the invention, orifice union 400 can include：Filter 410, filter 410 and outdoor
Heat exchanger 300 is connected；Electric expansion valve 420, the first silencer 430 and the second silencer 440, wherein, electric expansion valve 420 divides
It is not connected with the stop valve 700 of filter 410 and second, the first silencer 430 is arranged on filter 410 and electric expansion valve 420
Between, the second silencer 440 is arranged between the stop valve 700 of electric expansion valve 420 and second, wherein, filter 410, electronics
At least one of expansion valve 420, the first silencer 430 and second silencer 440 are anaerobic copper piece.Thus, it is possible to further have
Avoid the element of air conditioner from being corroded to effect, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
According to an embodiment of the invention, further comprise：Anaerobic copper capillary tube 450 and oxygen-free copper transition conduit 460, oxygen-free copper
Capillary 450 and oxygen-free copper transition conduit 460 are arranged on the silencer 430 of electric expansion valve 420 and first, and electric expansion valve
420 and second between silencer 440.Thus, it is possible to effectively further avoid the element of air conditioner from being corroded, and further
Improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (31)
- A kind of 1. air conditioner, it is characterised in that including：Indoor heat exchanger；Compressor, the compressor are connected with the indoor heat exchanger；Outdoor heat exchanger, the outdoor heat exchanger are connected with the compressor；Orifice union, the orifice union are connected with the outdoor heat exchanger and the indoor heat exchanger respectively；Refrigerant line, the refrigerant line connect indoor heat exchanger, the compressor, the outdoor heat exchanger and the institute Orifice union is stated to form refrigerant circulation；First and second stop valves, first and second stop valve be separately positioned on the indoor heat exchanger and compressor it Between, between the indoor heat exchanger and the orifice union,Wherein, the indoor heat exchanger, the compressor, the outdoor heat exchanger, the orifice union, the refrigerant pipe At least a portion at least one of road, first and second stop valve is anaerobic copper piece.
- 2. air conditioner according to claim 1, it is characterised in that the indoor heat exchanger is distinguished with the outdoor heat exchanger Independently include：Multiple fins, the multiple fin are arranged side by side；Heat conducting pipe, the heat conducting pipe are located in the multiple fin,Wherein, at least a portion of at least one of the fin and described heat conducting pipe is anaerobic copper piece.
- 3. air conditioner according to claim 2, it is characterised in that the heat conducting pipe is made up of oxygen-free copper.
- 4. air conditioner according to claim 2, it is characterised in that the heat conducting pipe includes U-shaped coil pipe, the U-shaped coil pipe At least a portion be oxygen-free copper pipe.
- 5. air conditioner according to claim 2, it is characterised in that the heat conducting pipe includes more sub- heat conducting pipes in parallel, At least one of the multiple sub- heat conducting pipe is oxygen-free copper pipe.
- 6. air conditioner according to claim 2, it is characterised in that the heat conducting pipe includes：Heat conducting pipe body, refrigerant passage is limited in the body；AndHeat conduction pipe screw thread, the screw thread are formed on the inwall of the body.
- 7. air conditioner according to claim 6, it is characterised in that the outer surface of the body does not have anti-corrosion layer.
- 8. air conditioner according to claim 1, it is characterised in that the refrigerant line includes indoor and outdoor machine connecting tube Road, the indoor and outdoor machine connecting line include：Connecting tube body, institute's connecting tube, which is stated, limits refrigerant passage in body；Heat-insulation layer, the heat-insulation layer are set in the outer surface of the connecting tube body；Wherein, at least a portion of the connecting tube body is anaerobic copper piece.
- 9. air conditioner according to claim 8, it is characterised in that the indoor and outdoor machine connecting line include pressure duct and Low pressure line, the pressure duct and the low pressure line are anaerobic copper piece.
- 10. air conditioner according to claim 8, it is characterised in that the outer surface of the connecting tube body is formed with screw thread.
- 11. air conditioner according to claim 8, it is characterised in that the connecting tube outer surface of tube body is without corrosion-resistant Layer.
- 12. air conditioner according to claim 1, it is characterised in that the refrigerant line includes indoor set auxiliary piping, The indoor set auxiliary piping includes：Indoor set connecting tube；Indoor set branch pipe；Distributor, the distributor is connected with the indoor set connecting tube and the indoor set branch pipe respectively, so that described Indoor set connecting tube is formed with the indoor set branch pipe to be in fluid communication,Wherein, at least a portion of at least one of the indoor set connecting tube, the indoor set branch pipe and described distributor is Anaerobic copper piece.
- 13. air conditioner according to claim 12, it is characterised in that the distributor includes：Housing, main channel and a plurality of branch road are limited in the housing, a plurality of branch road connects with the main channel,Wherein, the indoor set connecting tube is connected with the primary path, and the indoor set branch pipe is connected with the branch road, the shell At least a portion of at least one of body, the main channel, the branch road, the indoor set connecting tube, the indoor set branch road For anaerobic copper piece.
- 14. air conditioner according to claim 1, it is characterised in that further comprise：Four-way valve, the four-way valve are used for the function of switching the outdoor heat exchanger and the indoor heat exchanger,Wherein, at least a portion of the four-way valve is anaerobic copper piece.
- 15. air conditioner according to claim 1, it is characterised in that the four-way valve includes:Solenoid pilot valve；Main valve body, the main valve body are connected with the solenoid pilot valve by capillary；First to fourth valve port, first to fourth valve port are arranged on the main valve body, and first valve port and institute The exhaust outlet for stating compressor is connected, and second valve port is connected with the air entry of the compressor, the 3rd valve port with it is described Indoor heat exchanger is connected, and the 4th valve port is connected with the outdoor heat exchanger,Wherein, at least a portion of at least one of the main valve body, the capillary, described first to fourth valve port is anaerobic Copper piece.
- 16. air conditioner according to claim 1, it is characterised in that further comprise：High pressure valve, the high pressure valve are arranged between second stop valve and the outdoor heat exchanger；Low pressure valve, the low pressure valve are arranged between first stop valve and the orifice union,Wherein, at least a portion of at least one of the low pressure valve and described high pressure valve is anaerobic copper piece.
- 17. air conditioner according to claim 1, it is characterised in that the orifice union includes：Filter, the filter are connected with the outdoor heat exchanger；Electric expansion valve, the electric expansion valve are connected with the filter and second stop valve respectively；First and second silencers, first and second silencer are separately positioned on the filter and the electric expansion valve Between, and between the electric expansion valve and second stop valve,Wherein, at least one of the filter, the electric expansion valve, described first and second silencer are anaerobic copper piece.
- 18. air conditioner according to claim 17, it is characterised in that further comprise：Anaerobic copper capillary tube and oxygen-free copper transition conduit, it is swollen that the anaerobic copper capillary tube and oxygen-free copper transition conduit are arranged on the electronics Between swollen valve and first silencer, and the electric expansion valve and second silencer.
- 19. air conditioner according to claim 1, it is characterised in that the anaerobic copper piece is selected from TU0, TU1 and TU2 At least one.
- 20. air conditioner according to claim 1, it is characterised in that the copper content of the anaerobic copper piece is at least 99.97 weights Measure %.
- 21. air conditioner according to claim 20, it is characterised in that the copper content of the anaerobic copper piece is at least 99.99 Weight %.
- 22. air conditioner according to claim 1, it is characterised in that the phosphorus content of the anaerobic copper piece is at most 0.002 weight Measure %.
- 23. air conditioner according to claim 1, it is characterised in that the phosphorus content of the anaerobic copper piece is at most 0.0017 Weight %.
- 24. air conditioner according to claim 1, it is characterised in that the elongation of the anaerobic copper piece is at least 45%.
- 25. air conditioner according to claim 1, it is characterised in that the elongation of the anaerobic copper piece is at least 50%.
- 26. air conditioner according to claim 1, it is characterised in that the grain size of the anaerobic copper piece be 0.020~ 0.035 millimeter.
- 27. air conditioner according to claim 1, it is characterised in that the surface cleanliness of the anaerobic copper piece is at most 17 ㎎/㎡。
- 28. air conditioner according to claim 1, it is characterised in that the surface cleanliness of the anaerobic copper piece is at most 10 ㎎/㎡。
- 29. air conditioner according to claim 1, it is characterised in that the tensile strength of the anaerobic copper piece be 235~ 245N/㎜2。
- 30. air conditioner according to claim 1, it is characterised in that the anaerobic copper piece is handled by process annealing.
- 31. air conditioner according to claim 30, it is characterised in that the process annealing processing is Celsius in 370-420 Degree is lower to be carried out 35~45 minutes.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895542A (en) * | 2018-05-23 | 2018-11-27 | 广东美的制冷设备有限公司 | air conditioner |
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| CN202581971U (en) * | 2012-05-04 | 2012-12-05 | 重庆华超金属有限公司 | Novel indoor air-conditioner auxiliary piping line |
| CN105143808A (en) * | 2013-03-21 | 2015-12-09 | 三菱电机株式会社 | Heat exchanger, refrigeration cycle device, and production method for heat exchanger |
| CN207146967U (en) * | 2017-07-25 | 2018-03-27 | 广东美的制冷设备有限公司 | Air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895542A (en) * | 2018-05-23 | 2018-11-27 | 广东美的制冷设备有限公司 | air conditioner |
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