CN207335009U

CN207335009U - Air conditioner

Info

Publication number: CN207335009U
Application number: CN201720913075.8U
Authority: CN
Inventors: 申孟亮; 尚秀玲
Original assignee: Guangdong Midea Refrigeration Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-07-25
Filing date: 2017-07-25
Publication date: 2018-05-08
Anticipated expiration: 2027-07-25

Abstract

The utility model proposes air conditioner, which includes：Indoor heat exchanger；Compressor, compressor are connected with indoor heat exchanger；Outdoor heat exchanger, outdoor heat exchanger are connected with compressor；Orifice union, orifice union are connected with outdoor heat exchanger and indoor heat exchanger respectively；Refrigerant line, refrigerant line connect indoor heat exchanger, compressor, outdoor heat exchanger and expansion valve to form refrigerant circulation；First shut-off valve and the second shut-off valve；Four-way valve；High pressure valve；And low pressure valve, wherein, at least a portion of at least one of the first shut-off valve and the second shut-off valve, four-way valve, high pressure valve and low pressure valve is anaerobic copper piece.The air conditioner can be effectively reduced the corrosion of elements speed of air conditioner, prolong the service life.

Description

Air conditioner

Technical field

It the utility model is related to air-conditioning technical field, and in particular, 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 controls in thing.

However, current air conditioner still has much room for improvement.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.

The utility model is following discovery based on inventor and true understanding is completed：

Inventor is carrying out research process to air conditioner, finds the temperature tune of weather and air ambient for air conditioner Section efficiency such as refrigerating efficiency can have a significant impact even with the service life, for example, inventor has found that sulfur content compares in atmosphere In high, the more serious environment of atmosphere pollution, the service life and temperature adjustment efficiency such as refrigerating efficiency of air conditioner have It is decreased obviously.For this reason, inventor has made intensive studies discovery, in air, sulfur content is higher, atmosphere pollution is 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 area of weight, the component such as evaporator, condenser pipe and the connecting tube of air-conditioning is due to containing copper member such as copper pipe, so being easily subject to Corrosion, over time, corrosion can cause the leakage of air-conditioning duct, when especially copper pipe surface has condensed water, condensed water Absorb the acid that the sulfurous gas (such as sulfur dioxide) in air is formed afterwards and can react with copper pipe and accelerate corrosion, so that seriously Ground have impact on the service life and temperature adjustment efficiency of air conditioner.Inventor had found by in-depth study, by by air conditioner Employed in copper member replace with anaerobic copper piece, the corrosion rate of air conditioner in use can be effectively reduced, from And air-conditioning duct slip is effectively reduced, in addition, inventor is surprised to find that by using anaerobic copper piece, can effectively carry The temperature adjustment efficiency of high air conditioner.

In view of this, a purpose of the utility model is to propose that one kind has corrosion-resistant or excellent performance, such as temperature Adjust the air conditioner of the advantages that efficient.

In the one side of the utility model, the utility model proposes a kind of air conditioner, reality according to the present utility model Example is applied, which includes：Indoor heat exchanger；Compressor, the compressor are connected with the indoor heat exchanger；Outdoor heat exchange Device, the outdoor heat exchanger are connected with the compressor；Orifice union, the orifice union respectively with the outdoor heat exchanger and The indoor heat exchanger is connected；Refrigerant line, the refrigerant line connect the indoor heat exchanger, the compressor, institute Outdoor heat exchanger and the orifice union are stated to form refrigerant circulation；First shut-off valve and the second shut-off valve, described first Shut-off valve and the second shut-off valve are separately positioned between the indoor heat exchanger and compressor, the indoor heat exchanger and the section Between stream component；Four-way valve, the four-way valve are used for the function of switching the outdoor heat exchanger and the indoor heat exchanger；High pressure Valve, the high pressure valve are arranged between second shut-off valve and the outdoor heat exchanger；Low pressure valve, the low pressure valve are arranged on Between first shut-off valve and the compressor, wherein, first shut-off valve, second shut-off valve, the four-way valve, At least a portion of at least one of the high pressure valve and the low pressure valve is anaerobic copper piece.Inventor is it was unexpectedly observed that pass through Anaerobic copper piece is used in air conditioner, the corrosion rate of the element of air conditioner can be effectively reduced, so as to be effectively reduced sky Pipeline leakage rate is adjusted, the service life of air conditioner is effectively extended, in addition, inventor is also surprising that by air-conditioning Anaerobic copper piece is used in device, the temperature adjustment efficiency such as refrigerating efficiency of air conditioner can be improved.

Optionally, the indoor heat exchanger separately includes with the outdoor heat exchanger：Multiple fins, it is the multiple Fin is arranged side by side；Heat conducting pipe, the heat conducting pipe are threaded through in the multiple fin, wherein, the fin and the heat conducting pipe At least one of at least a portion be anaerobic copper piece.Thus, it is possible to further effectively reduce the corrosion speed of the element of air conditioner Rate, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

Embodiment according to the present utility model, the heat conducting pipe are made of oxygen-free copper.Thus, it is possible to further effectively reduce The corrosion rate of the element of air conditioner, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

Optionally, the heat conducting pipe includes U-shaped coil pipe, and at least a portion of the U-shaped coil pipe is oxygen-free copper pipe.Thus, The corrosion rate of the element of air conditioner can be effectively further reduced, and further improves the temperature adjustment efficiency of air conditioner Such as refrigerating efficiency.

Optionally, the heat conducting pipe is including more at least one of sub- heat conducting pipes, the multiple sub- heat conducting pipe in parallel Oxygen-free copper pipe.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner, and further improve air conditioner Temperature adjustment efficiency such as refrigerating efficiency.

Optionally, the heat conducting pipe includes：Heat conducting pipe tube body, limits refrigerant passage in the heat conducting pipe tube body；With And heat conduction pipe screw thread, the heat conduction pipe screw thread are formed on the inner wall of the heat conducting pipe tube body.Thus, it is possible to effectively further The corrosion rate of the element of air conditioner is reduced, to further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

Optionally, the outer surface of the tube body does not have anti-corrosion layer.Thus, it is possible to and further improve the temperature of air conditioner Degree adjusts efficiency such as refrigerating efficiency.

Optionally, the refrigerant line includes indoor and outdoor machine connecting line, and the indoor and outdoor machine connecting line includes：Even Adapter tube body, limits refrigerant passage in the connecting tube tube body；Insulating layer, the insulating layer are set in the connecting tube pipe The outer surface of body；Wherein, at least a portion of the connecting tube tube body is anaerobic copper piece.Thus, it is possible to effectively further drop The corrosion rate of the element of low air conditioner, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

Optionally, the indoor and outdoor machine connecting line includes pressure duct and low pressure line, the pressure duct and described Low pressure line is anaerobic copper piece.Thus, it is possible to the corrosion rate of the element of air conditioner is effectively further reduced, and into one Step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

Optionally, the outer surface of the connecting tube tube body is formed with screw thread.It can prevent from transporting and in installation process connecting Adapter folding is flat, fracture.

Optionally, the connecting tube outer surface of tube body does not have anti-corrosion layer.Thus, it is possible to further improve air conditioner Temperature adjustment efficiency such as refrigerating efficiency.

Optionally, the refrigerant line includes indoor unit auxiliary piping, and the indoor unit auxiliary piping includes：Indoor unit Connecting tube；Indoor unit branch pipe；Distributor, the distributor respectively with the indoor unit connecting tube and the indoor unit branch pipe phase Even, so that the indoor unit connecting tube forms fluid communication with the indoor unit branch pipe, wherein, the indoor unit connection At least a portion of at least one of pipe, the indoor unit branch pipe and the distributor is anaerobic copper piece.Thus, it is possible to further The corrosion rate of the element of air conditioner is effectively reduced, is prolonged the service life.

Optionally, the distributor includes：Housing, main channel and a plurality of branch are limited in the housing, a plurality of described Branch is connected with the main channel, wherein, the indoor unit connecting tube is connected with the primary path, the indoor unit branch pipe with The branch is connected, and the housing, the main channel, the branch, the indoor unit connecting tube, the indoor unit branch are extremely One of few at least a portion is anaerobic copper piece.Thus, it is possible to the corrosion rate of the element of air conditioner is effectively further reduced, Prolong the service life.

Optionally, the four-way valve includes:Solenoid pilot valve；Main valve body, the main valve body lead to the solenoid pilot valve Capillary is crossed to be connected；First to fourth valve port, first to fourth valve port are arranged on the main valve body, and described first Valve port is connected with the exhaust outlet of the compressor, and second valve port is connected with the air entry of the compressor, the 3rd valve Mouthful it is connected with the indoor heat exchanger, the 4th valve port is connected with the outdoor heat exchanger, wherein, it is the main valve body, described At least a portion of at least one of capillary, first to fourth valve port is anaerobic copper piece.Thus, it is possible to further effectively Ground reduces the corrosion rate of the element of air conditioner, prolongs the service life.

Optionally, the orifice union includes：Filter, the filter are connected with the outdoor heat exchanger；Electronics is swollen Swollen valve, the electric expansion valve are connected with the filter and second shut-off valve respectively；First and second silencers, it is described First and second silencers are separately positioned between the filter and the electric expansion valve, and the electric expansion valve with Between second shut-off valve, wherein, the filter, the electric expansion valve, first and second silencer are at least One of be anaerobic copper piece.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner, prolong the service life.

Optionally, the orifice union further comprises：Anaerobic copper capillary tube and oxygen-free copper coupling tube, the anaerobic capillary copper Tubule and oxygen-free copper coupling tube 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 reduce the corrosion rate of the element of air conditioner, extension uses the longevity Life.

Optionally, the anaerobic copper piece is selected from TU0, TU1 or TU2.Thus, it is possible to effectively further reduce air conditioner Element corrosion rate, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description In become obvious, or recognized by the practice of the utility model.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 shows the structure diagram of the air conditioner according to the utility model one embodiment；

Fig. 2 shows the structure diagram of the heat exchanger according to the utility model another embodiment；

Fig. 3 shows the structure diagram of the heat exchanger heat conducting pipe according to the utility model another embodiment；

Fig. 4 shows the structure diagram of the heat exchanger heat conducting pipe according to the utility model another embodiment；

Fig. 5 shows the structure diagram of the heat exchanger according to the utility model another embodiment；

Fig. 6 shows the structure diagram of the indoor and outdoor machine connecting line according to the utility model one embodiment；

Fig. 7 shows the structure diagram of the indoor and outdoor machine connecting line according to the utility model another embodiment；

Fig. 8 shows the structure diagram of the indoor unit auxiliary piping according to the utility model one embodiment；

Fig. 9 shows the structure diagram of the indoor unit distributor according to the utility model one embodiment；

Figure 10 shows the structure diagram of the four-way valve according to the utility model one embodiment；

Figure 11 shows the structure diagram of the air conditioner according to the utility model another embodiment；

Figure 12 shows the structure diagram of the orifice union according to the utility model one embodiment；

Figure 13 shows the structure diagram of the air-conditioner outdoor unit according to the utility model another embodiment；

Figure 14 shows the structure diagram of the air-conditioner outdoor unit according to the utility model another embodiment；

Figure 15 shows the oxygen-free copper copper pipe (TU1, diamond shape) and TP2 copper pipes (side according to the utility model one embodiment Shape) corrosion rate curve in salting liquid, in salting liquid, the uniform corrosion rate of TU1 is less than TP2 (the smaller corrosion of data Speed is smaller, and corrosion resistance is better)；

Figure 16 shows the oxygen-free copper copper pipe (TU1, diamond shape) and TP2 copper pipes (side according to the utility model one embodiment Shape) corrosion rate curve in sulfur dioxide environment, in sulfur dioxide environment, the uniform corrosion rate dispersiveness of TU1 is small In TP2 (dispersiveness is small to show that each position difference is smaller, and overall anti-corrosion gender gap is small).

Reference numeral：

Indoor heat exchanger 100；Compressor 200；Outdoor heat exchanger 300；Orifice union 400；Refrigerant line 500；First Shut-off valve 600, the second shut-off valve 700；Fin 110；Heat conducting pipe 120；Distributor 130；Connecting tube tube body 510；Insulating layer 520； Indoor and outdoor machine connecting tube low-voltage tube tube body 510A；Indoor and outdoor machine connecting tube high-voltage tube tube body 510B；Indoor and outdoor machine connecting tube low pressure Pipe insulating layer 520A；Indoor and outdoor machine connecting tube high-voltage tube insulating 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 unit connecting tube 5510；Indoor unit branch pipe 5520；Distributor body 1310；Main channel 13110；Branch 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 coupling tube 460.

Embodiment

The embodiment of the utility model is described below in detail.The embodiments described below is exemplary, and is only used for explaining The utility model, and it is not intended that limitation to the utility model.Particular technique or condition are not specified in embodiment, according to The described technology of document in the art or condition are carried out according to product description.Life is not specified in agents useful for same or instrument Manufacturer person is produced, being can be with conventional products that are commercially available.

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model Limitation.

In the description of the utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the interaction relationship of connection inside two elements or two elements.For those of ordinary skill in the art Speech, can understand concrete meaning of the above-mentioned term in the utility model as the case may be.

Inventor is carrying out research process to air conditioner, finds the temperature tune of weather and air ambient for air conditioner Section efficiency such as refrigerating efficiency can have a significant impact even with the service life, for example, inventor has found that sulfur content compares in atmosphere In high, the more serious environment of atmosphere pollution, copper member generates corrosion scales, can make the service life and temperature of air conditioner Adjusting efficiency such as refrigerating efficiency, which has, to be decreased obviously.For this reason, inventor has made intensive studies discovery, sulfur content ratio in air In higher, the more serious environment of atmosphere pollution, for example, in such as tropical rain forest, wet environment, air be poor, vehicle exhaust, The components such as the more serious area of atmosphere pollution, evaporator, condenser pipe and the connecting tube of air-conditioning such as volcanic gas, acid rain is serious by In containing copper member such as copper pipe, so easily being corroded, over time, corrosion can cause letting out for air-conditioning duct Leakage, especially when copper pipe surface has condensed water, the sulfurous gas (such as sulfur dioxide) that condensed water is absorbed in air is formed afterwards Acid can react with copper pipe quickening corrosion so that severely impacted air conditioner service life and temperature adjustment efficiency hair A person of good sense had found by in-depth study, in order to slow down under foregoing mal-condition air conditioner during temperature adjustment it is outstanding It is that copper member corrodes in process of refrigerastion.In copper member surface spraying or anti-corrosion layer would generally be electroplated, such as in copper Element surface sprays resistant material, or electroplates other protective metal layer such as tin.But so operation can significantly improve Cost is manufactured, and it is all difficult the forming position for controlling anti-corrosion layer to spray, and often anti-corrosion layer is sprayed in preparation process Onto the peripheral element of copper member.For example, in the heat conducting pipe surface spraying anti-corrosion layer of heat exchanger, it will usually by corrosion-resistant material Material is sprayed on fin, reduces heat exchange efficiency.In addition, spraying and electro-cladding uniformity are poor, are often formed and leaked on surface Plating leakage is sprayed, 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 the corrosion rate for how slowing down copper member, in air conditioner Copper member carried out material substitution, such as copper member is replaced into aluminium element.By the way that to full aluminium heater, (evaporator is cold Condenser) carry out analysis and find, the market acceptance of full aluminium heater is bad, and heat conductivility is poor.

In the course of the research, inventor is surprised to find that by the way that the copper member employed in air conditioner is replaced with oxygen-free copper Part, can be effectively reduced the corrosion rate of air conditioner in use, so as to effectively reduce air-conditioning duct slip, separately Outside, inventor 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, a purpose of the utility model is to propose that one kind has corrosion-resistant or excellent performance such as temperature tune Save the air conditioner of the advantages that efficient.

In the one side of the utility model, the utility model proposes a kind of air conditioner, with reference to figure 1~16, according to this The embodiment of utility model, the air conditioner include：Indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300, orifice union 400th, refrigerant line 500, the first shut-off valve 600, the second shut-off valve 700, four-way valve, high pressure valve 900 and low pressure valve 1000. Wherein, embodiment according to the present utility model, compressor 200 are connected with indoor heat exchanger 100, outdoor heat exchanger 300 and compression Machine 200 is connected, and orifice union 400 is connected with outdoor heat exchanger 300 and indoor heat exchanger 100 respectively, and refrigerant line 500 connects To form refrigerant circulation, first ends for indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300 and orifice union 400 600 and second shut-off valve 700 of valve is separately positioned between indoor heat exchanger 100 and compressor 200, indoor heat exchanger 100 is with saving Between flowing component 400, four-way valve is used for the function of switching outdoor heat exchanger 300 and indoor heat exchanger 100, and high pressure valve 900 is set Between the second shut-off valve 700 and outdoor heat exchanger 300, low pressure valve 1000 be arranged on the first shut-off valve 600 and compressor 200 it Between.So as to which in the operational process of air conditioner, refrigerant can pass sequentially through indoor heat exchanger 100, the first shut-off valve 600, pressure Contracting machine 200, outdoor heat exchanger 300, orifice union 400, the second shut-off valve 700, finally return indoor heat exchanger 100, so that Form refrigerant circulation, and conversion, refrigerant and indoor or outdoor air between the gas phase and liquid phase for passing through refrigerant Between heat exchange, it is achieved thereby that the adjusting to indoor temperature for example carries out refrigeration processing.Embodiment according to the present utility model, At least one of at least one of first shut-off valve 600, the second shut-off valve 700, four-way valve, high pressure valve 900 and low pressure valve 1000 It is divided into anaerobic copper piece.Inventor can be effectively reduced air conditioner it was unexpectedly observed that by using anaerobic copper piece in air conditioner Corrosion of elements speed, so as to be effectively prevented from air-conditioning duct leakage, effectively extend the service life of air conditioner, in addition, Inventor is also surprising that by using anaerobic copper piece in air conditioner, can improve the temperature adjustment efficiency example of air conditioner Such as refrigerating efficiency.

It should be noted that term " being at least partially anaerobic copper piece " used in herein refers to, in air-conditioning Specific component, can all be made 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, 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, embodiment according to the present utility model, embodiment according to the present utility model, anaerobic copper piece be selected from TU0, TU1 or TU2, specific embodiment according to the present utility model, can use materials of the TU1 as anaerobic copper piece.Thus, The corrosion rate of the element of air conditioner can be effectively further reduced, and further improves the temperature adjustment efficiency of air conditioner Such as refrigerating efficiency.Embodiment according to the present utility model, the copper content of anaerobic copper piece is at least 99.95 weight %.Thus, may be used Effectively further to reduce the corrosion rate of the element of air conditioner, and further improve the temperature adjustment efficiency example of air conditioner Such as refrigerating efficiency.Embodiment according to the present utility model, the copper content of anaerobic copper piece is at least 99.97 weight %.Thus, it is possible to The corrosion of elements speed of air conditioner is effectively further reduced, and further improves the temperature adjustment efficiency of air conditioner and for example makes Cold efficiency.Embodiment according to the present utility model, the phosphorus content of anaerobic copper piece is at most 0.002 weight %.Thus, it is possible into one Step is effectively reduced the corrosion rate of the element of air conditioner, and further improves the temperature adjustment efficiency of air conditioner and for example freeze Efficiency.Embodiment according to the present utility model, the phosphorus content of anaerobic copper piece is at most 0.0017 weight %.Thus, it is possible into one Step is effectively reduced the corrosion rate of the element of air conditioner, and further improves the temperature adjustment efficiency of air conditioner and for example freeze Efficiency.Inventor is by testing it was unexpectedly observed that when the copper content of the U-tube of anaerobic copper piece such as heat exchanger is at least 99.97 Weight %, when phosphorus content is at most 0.0017 weight %, it resists the corrosive power meeting in salting liquid and sulfur dioxide environment Significantly increase, the temperature adjustment efficiency such as refrigerating efficiency of air-conditioning can be significantly improved, this is probably due to copper content Raising can make it that the heat exchange property of air-conditioning is accordingly lifted.

In addition, the inventor of the utility model conducts in-depth research hair to oxygen-free copper is used to prepare air conditioner element It is existing,, can be to anaerobic copper piece in order to improve the operational reliability of air-conditioning when oxygen-free copper is used to prepare air conditioner element Performance parameter be adjusted.Specifically, embodiment according to the present utility model, the elongation of anaerobic copper piece is at least 45%. It just can guarantee that the processing performance of copper piece.Embodiment according to the present utility model, the elongation of anaerobic copper piece is at least 50%, processing Performance significantly improves, and can improve yield rate.Embodiment according to the present utility model, the grain size of anaerobic copper piece for 0.020~ 0.035 millimeter.At this time, anaerobic copper piece has good mechanical property embodiment according to the present utility model, the table of anaerobic copper piece Face cleanliness factor is at most 17 ㎎/㎡.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner, Yi Jijin One step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Embodiment according to the present utility model, the table of anaerobic copper piece Face cleanliness factor is at most 10 ㎎/㎡.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner, Yi Jijin One step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Embodiment according to the present utility model, anaerobic copper piece resist Tensile strength is 235~245N/ ㎜ 2.

In addition, the inventor of the utility model is it was unexpectedly observed that in the preparation process of anaerobic copper piece, to annealing The condition of reason optimizes, and can effectively improve performance when anaerobic copper piece is applied to air conditioner.Specifically, according to this practicality New embodiment, anaerobic copper piece are handled by process annealing.Thus, it is possible to effectively further reduce the member of air conditioner The corrosion rate of part, prolongs the service life.It should be noted that term " process annealing processing " used in herein refers to Annealing temperature is less than the annealing temperature of routine TP2 copper pipes.Embodiment according to the present utility model, process annealing processing is in 370- Carried out 35~45 minutes under 420 degrees Celsius.Those skilled in the art can make a thorough investigation of product specification and determine suitable annealing process.By This, can effectively further reduce the corrosion rate of the element of air conditioner, prolong the service life.Reality according to the present utility model Example is applied, inventor has found, can be by former TP2 copper pipes crystallite dimension by being carried out 35~45 minutes under 370-420 degrees Celsius 0.008-0.010mm is reduced to by 0.015-0.020mm, the intensity of TU1 copper pipes is reached the level suitable with TP2 copper pipes.

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.Embodiment according to the present utility model, indoor heat exchanger 100 can be same with outdoor heat exchanger 300 The heat exchanger of type or different types of heat exchanger.

With reference to figure 2~5, embodiment according to the present utility model, indoor heat exchanger 100 can divide with outdoor heat exchanger 300 Do not include independently：Multiple fins 110 and heat conducting pipe 120.Embodiment according to the present utility model, multiple fins 110 are set side by side Put, heat conducting pipe 120 is threaded through in the multiple fins 110 being arranged side by side so that when refrigerant from heat conducting pipe 120 by when, energy It is enough that heat exchange is effectively occurred with outside air (indoor or outdoor) by heat conducting pipe 120 and fin 110, so as to fulfill system The phase transformation of cryogen, and then realize the temperature adjustment to room air.Embodiment according to the present utility model, fin 110 and heat conduction At least a portion of at least one of pipe 120 is anaerobic copper piece.Thus, it is possible to effectively further reduce the element of air conditioner Corrosion rate, and further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Implementation according to the present utility model Example, heat conducting pipe 120 are made of oxygen-free copper.Thus, it is possible to the corrosion rate of the element of air conditioner is effectively further reduced, and Further improve the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.Embodiment according to the present utility model, indoor heat exchanger 100 or outdoor heat exchanger 300 in refrigerant when being changed into gas phase by liquid phase scrubbing external heat, due to easily in heat exchanger Surface formed water droplet, so as to easily especially work as air quality to causing to corrode as the heat exchanger of air conditioner critical piece The atmosphere pollution such as when poor, tropical rain forest, wet environment, air are poor, vehicle exhaust, volcanic gas, acid rain are serious More serious area.Outdoor heat exchanger 300 contacts, therefore, when air quality compares by exposure to outdoor with outdoor air The atmosphere pollution such as when poor, tropical rain forest, wet environment, air are poor, vehicle exhaust, volcanic gas, acid rain are serious are compared Corrosion phenomenon easily occurs for serious area, outdoor heat exchanger 300.For the utility model, due to indoor heat exchanger 100 Or the heat conducting pipe 120 of outdoor heat exchanger 300 and at least a portion of at least one of fin 110 are anaerobic copper piece, in other words At least a portion for saying at least one of heat conducting pipe 120 and fin 110 is made of oxygen-free copper.Therefore, it is possible to effectively support Anti- extraneous corrosiveness.In addition, inventor is it was unexpectedly observed that work as heat exchanger, no matter indoor heat exchanger 100 or outdoor heat exchange When device 300 is using oxygen-free copper, its corrosive power resisted in salting liquid and sulfur dioxide environment can significantly increase, the temperature of air-conditioning Degree adjusts efficiency such as refrigerating efficiency and can be significantly improved, this is probably since the raising of copper content can be so that air-conditioning changes Hot property is accordingly lifted.

With reference to figure 3 and Fig. 4, embodiment according to the present utility model, heat conducting pipe 120 includes U-shaped coil pipe, and U-shaped coil pipe is extremely A few 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, Embodiment according to the present utility model, can include multistage U-shaped structure, as shown in Figure 4.Due to the U-shaped turning of U-shaped coil pipe, In the preparation, wall thickness easily corrodes usually than relatively thin.Other materials is substituted by using oxygen-free copper, can be effectively Reduce corrosion rate.So as to reduce manufacturing cost, the temperature adjustment efficiency that can further improve air conditioner is for example freezed effect Rate.

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 Embodiment according to the present utility model, heat conducting pipe 120 include more sub- heat conducting pipes 1210 in parallel, more sub- heat conducting pipes 1210 At least one of be oxygen-free copper pipe.Thus, it is possible to the corrosion rate of the element of air conditioner is effectively further reduced, and into one Step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

In addition, embodiment according to the present utility model, heat conducting pipe 120 includes heat conducting pipe tube body, is limited in heat conducting pipe tube body Go out refrigerant passage；And heat conduction pipe screw thread, heat conduction pipe screw thread are formed in (not shown) on the inner wall of heat conducting pipe tube body.By This, can improve the heat exchange efficiency of refrigerant, can effectively further reduce the corrosion rate of the element of air conditioner, Yi Jijin One step improves the temperature adjustment efficiency such as refrigerating efficiency of air conditioner.

It will be appreciated by those skilled in the art that the utility model substitutes current material by using oxygen-free copper, can be effective Ground reduces the corrosion rate of air conditioner element, so that can according to the outer surface of the heat conducting pipe 120 of air conditioner element such as heat exchanger To be not provided with anti-corrosion layer, corrosion resistant effect can be equally realized.Thus, it is possible to further reduce being produced into for air conditioner This, and heat transfer effect can be improved.Thus, the embodiment of the utility model, the outer surface of the tube body of heat conducting pipe 120 do not have Anti-corrosion layer.The temperature adjustment efficiency such as refrigerating efficiency of air conditioner can be further improved.

Specific embodiment according to the present utility model, inventor is by U-tube heat exchanger corrosion resistance made of anaerobic copper piece Corrosion resistance test can be carried out with U-shaped heat exchanger made of TP2 copper pipes, be as a result summarised in Figure 15 and Figure 16, wherein, figure 15 show it is molten in salt according to the oxygen-free copper copper pipe (TU1, diamond shape) and TP2 copper pipes (square) of the utility model one embodiment Corrosion rate curve in liquid, in salting liquid, the uniform corrosion rate of TU1 oxygen-free coppers is less than TP2 (the smaller corrosion rates of data Smaller, corrosion resistance is better).Figure 16 show according to the oxygen-free copper copper pipe (TU1, diamond shape) of the utility model one embodiment with Corrosion rate curve of the TP2 copper pipes (square) in sulfur dioxide environment, in sulfur dioxide environment, in SO₂In environment, TU1 The uniform corrosion rate dispersiveness of oxygen-free copper is less than TP2, and (dispersiveness is small to show that each position difference is smaller, overall anti-corrosion gender gap It is small).In addition, embodiment according to the present utility model, inventor is by U-tube indoor heat exchanger made of TU1 oxygen-free coppers and TP2 copper The air conditioner model machine of indoor heat exchanger made of pipe compares, 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.This area skill Art personnel are, it is understood that heat exchanger especially evaporator will be far above other portions of air conditioner for corrosion resistance requirement Part.

Refrigerant line 500 is described in detail below.

With reference to figure 6, embodiment according to the present utility model, refrigerant line 500 includes indoor and outdoor machine connecting line, the room Connection pipe for internal-external unit road includes：Connecting tube tube body 510 and insulating layer 520.Embodiment according to the present utility model, in connecting tube pipe Refrigerant passage is limited in body 510, insulating layer 520 is set in the outer surface of connecting tube tube body 510, wherein, connecting tube tube body 510 at least a portion is anaerobic copper piece.Thus, it is possible to effectively further reduce the corrosion of elements speed of air conditioner, extend Service life.This area, it is understood that the surface of the connecting tube tube body 510 can equally be not provided with anti-corrosion layer so that 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 insulating layer 520A, indoor and outdoor machine connecting tube high-voltage tube insulating 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 provided as 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.

Embodiment according to the present utility model, the outer surface of connecting tube tube body 510 is formed with screw thread.Thus connecting tube is facilitated Bending.

With reference to figure 8 and Fig. 9, embodiment according to the present utility model, refrigerant line can also include indoor unit auxiliary tube Road, indoor unit auxiliary piping include：Indoor unit connecting tube 5510；Indoor unit branch pipe 5520；Distributor 130, distributor 130 are distinguished It is connected with indoor unit connecting tube 5510 and indoor unit branch pipe 5520, so that indoor unit connecting tube 5510 and indoor unit branch pipe 5520 form fluid communication, wherein, at least one of indoor unit connecting tube 5510, indoor unit branch pipe 5520 and distributor 130 At least a portion is anaerobic copper piece.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner, extend and use Service life.It will be appreciated to those of skill in the art that when air conditioner is used to freeze, easily formed at the connecting line of indoor unit Water droplet, so as to cause the corrosion of hardware.By using oxygenless copper material in machine auxiliary piping indoors, can effectively drop Low corrosion speed.In addition, it will be appreciated by those skilled in the art that by using oxygenless copper material, indoors in machine auxiliary piping Anti-corrosion layer can be no longer set, so as to improve production efficiency, reduce production cost, improve the production yield of product.

With reference to figure 9, embodiment according to the present utility model, distributor 130 includes：Housing 1310, in the housing 1310 Main channel 13110 and a plurality of branch 13120 are limited, which connects with main channel 13110, wherein, it is indoor Machine connecting tube 5510 is connected with primary path 13110, and indoor unit branch pipe 5520 is connected with branch 13120, housing, main channel, branch, At least a portion of at least one of indoor unit connecting tube, indoor unit branch is anaerobic copper piece.Thus, it is possible to effectively further The corrosion rate of the element of air conditioner is reduced, is prolonged the service life.

With reference to figure 10, specific embodiment according to the present utility model, four-way valve includes that 810 He of solenoid pilot valve can be included Main valve body 820, main valve body 810 are connected with solenoid pilot valve 820 by capillary, and the first valve port is provided with main valve body 810 8210th, the second valve port 8220, the 3rd valve port 8230 and the 4th valve port 8240, and the row of the first valve port 8210 and compressor 200 Gas port is connected, and the 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, 4th valve port 8240 is connected 300 with outdoor heat exchanger, wherein, main valve body 810, capillary, first to fourth valve port 8210~ At least one of 8240 at least a portion is anaerobic copper piece.Thus, it is possible to effectively further reduce the element of air conditioner Corrosion rate, prolongs the service life.

In addition, embodiment according to the present utility model, orifice union 400 can include：Filter 410, filter 410 It is connected with outdoor heat exchanger 300；Electric expansion valve 420, the first silencer 430 and the second silencer 440, wherein, electronic expansion Valve 420 is connected with 410 and second shut-off valve 700 of filter respectively, and the first silencer 430 is arranged on filter 410 and electronics is swollen Between swollen valve 420, the second silencer 440 is arranged between 420 and second shut-off valve 700 of electric expansion valve, wherein, filter 410th, at least one of electric expansion valve 420, the first silencer 430 and second silencer 440 are anaerobic copper piece.Thus, it is possible to The corrosion rate of the element of air conditioner is effectively further reduced, is prolonged the service life.

Embodiment according to the present utility model, orifice union further comprise：Anaerobic copper capillary tube 450 and oxygen-free copper transition Pipe 460, anaerobic copper capillary tube 450 and oxygen-free copper coupling tube 460 are arranged on 420 and first silencer 430 of electric expansion valve, with And between 420 and second silencer 440 of electric expansion valve.Thus, it is possible to effectively further reduce the corruption of the element of air conditioner Speed is lost, is prolonged the service life.

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 utility model.In the present specification, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with Combine in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this area Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into Row combines and combination.

Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims

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 shut-off valve and the second shut-off valve, first and second shut-off valve are separately positioned on the indoor heat exchanger and compression Between machine, between the indoor heat exchanger and the orifice union；

Four-way valve, the four-way valve are used to switch the outdoor heat exchanger and the indoor heat exchanger；

High pressure valve, the high pressure valve are arranged between second shut-off valve and the outdoor heat exchanger；

Low pressure valve, the low pressure valve are arranged between first shut-off valve and the compressor,

Wherein, at least one of at least one of first shut-off valve, the second shut-off valve, four-way valve, high pressure valve and low pressure valve It is divided into 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 threaded through 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 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 tube body, limits refrigerant passage in the heat conducting pipe tube body；And

Heat conduction pipe screw thread, the heat conduction pipe screw thread are formed on the inner wall of the heat conducting pipe tube body.
7. air conditioner according to claim 6, it is characterised in that the outer surface of the tube 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 tube body, limits refrigerant passage in the connecting tube tube body；

Insulating layer, the insulating layer are set in the outer surface of the connecting tube tube body；

Wherein, at least a portion of the connecting tube 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 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 unit auxiliary piping, The indoor unit auxiliary piping includes：

Indoor unit connecting tube；

Indoor unit branch pipe；

Distributor, the distributor is connected with the indoor unit connecting tube and the indoor unit branch pipe respectively, so that described Indoor unit connecting tube is formed with the indoor unit branch pipe to be in fluid communication,

Wherein, at least a portion of at least one of the indoor unit connecting tube, the indoor unit 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, limits main channel and a plurality of branch in the housing, and a plurality of branch is connected with the main channel,

Wherein, the indoor unit connecting tube is connected with the primary path, and the indoor unit branch pipe is connected with the branch, the shell At least a portion of at least one of body, the main channel, the branch, the indoor unit connecting tube, the indoor unit branch For anaerobic copper piece.
14. 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.
15. 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 shut-off 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 shut-off valve,

Wherein, at least one of the filter, the electric expansion valve, described first and second silencer are anaerobic copper piece.
16. air conditioner according to claim 15, it is characterised in that the orifice union further comprises：

Anaerobic copper capillary tube and oxygen-free copper coupling tube, it is swollen that the anaerobic copper capillary tube and oxygen-free copper coupling tube are arranged on the electronics Between swollen valve and first silencer, and the electric expansion valve and second silencer.
17. air conditioner according to claim 1, it is characterised in that the anaerobic copper piece is selected from TU0, TU1 or TU2.