CN208920414U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN208920414U CN208920414U CN201820776599.1U CN201820776599U CN208920414U CN 208920414 U CN208920414 U CN 208920414U CN 201820776599 U CN201820776599 U CN 201820776599U CN 208920414 U CN208920414 U CN 208920414U
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- air conditioner
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Abstract
The utility model proposes a kind of 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 are connected to indoor heat exchanger, compressor, outdoor heat exchanger and orifice union to constitute refrigerant circulation；First shut-off valve and the second shut-off valve, first shut-off valve and the second shut-off valve are separately positioned between indoor heat exchanger and compressor, between indoor heat exchanger and orifice union, wherein, at least part of at least one of indoor heat exchanger, compressor, outdoor heat exchanger, orifice union, refrigerant line and shut-off valve is copper piece, and the mass percent of phosphorus is 0.2%~1.0% in copper piece.The air conditioner can be effectively reduced the corrosion of elements rate and ant cave corrosion depth of air conditioner, prolong the service life.
Description
Technical field
The utility model relates to air-conditioning technical fields, and in particular, to a kind of air conditioner.
Background technique
Air conditioner, also referred to as i.e. air regulator (Air Conditioner), refer to manually means, to building/construct
The equipment that the parameters such as the temperature, humidity of surrounding air, cleanliness, speed are adjusted and control in object.
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 completes to true understanding:
Inventor carries out in research process to air conditioner, it is found that weather and air environment use the longevity for air conditioner
Life can have a significant impact, for example, sulfur content is relatively high in air, in the more serious environment of atmosphere pollution for inventor's discovery,
The service life of air conditioner can decreased significantly.For this purpose, inventor has made intensive studies discovery, sulfur content compares in air
In high, the more serious environment of atmosphere pollution, for example, in such as tropical rain forest, wet environment, air be poor, vehicle exhaust, fire
The more serious area of the atmosphere pollution such as mountain mists body, the components such as evaporator, condenser pipe and connecting tube of air-conditioning are due to containing copper coin
Part such as copper pipe, so being easy to be corroded, over time, corrosion will lead to the leakage of air-conditioning duct, especially copper
When pipe surface has condensed water, condensed water, which absorbs the acid that the sulfurous gas (such as sulfur dioxide) in air is formed afterwards, to be sent out with copper pipe
Corrosion is accelerated in raw reaction, to severely impact the service life of air conditioner.
Current 80% or more Copper Tube Corrosion leakage is local corrosion, and the characteristic feature of local corrosion is the height of corrosion area
Localization, other positions corrosion is slight even do not occur obviously to corrode when, locally occur heavy corrosion, and to vertical tube wall side
To extension, tube wall perforation is formed, therefore controlling local corrosion is to reduce the key factor of copper tube leakage rate.Numerous studies discovery,
Copper tube leakage normally tends to the local deformation area caused by impure point and extends, TP2 copper pipe general at present, and content is maximum miscellaneous
Matter is P element, therefore phosphorus (P) is entrained in copper piece as impurity in copper piece, is caused local energy higher, is easily corroded, and
And P more assembles, corrosion is even more serious, so, in order to slow down corrosion rate and ant cave corrosion depth, consistent viewpoint in the art
It is to try to the content of phosphorus in less copper member.But due to the limitation of technology or cost, being difficult to accomplish at present will be in copper piece
Phosphorus all removes, and also can not just avoid localized corrosion problems completely.In view of the above-mentioned problems, inventor has made intensive studies hair
It is existing, a kind of and traditional concept improvement project on the contrary is proposed, specifically, the result of study of inventor shows with copper piece
Middle P content gradually rise to it is a certain amount of when, P atom can produce phosphoric acid under the action of oxygen and water, and phosphoric acid does not have oxidisability not
It can directly be reacted with copper, copper reaction will not be obviously promoted, for copper in phosphoric acid solution, surface produces the sticking phosphate layer of tool
Layer, which can hinder copper dissolution, and small recess can be protected not dissolve, and inhibit the generation of local corrosion.Comprehensively consider
The corrosion resistance of heat exchanger and other performances, the present invention control P content between 0.2%~1.0%.It will be employed in air conditioner
Copper member replace with phosphorus content be 0.2%~1.0% copper piece, the corruption of air conditioner in use can be effectively reduced
Rate and ant cave corrosion depth are lost, to be effectively reduced air-conditioning duct slip.
In view of this, a purpose of the utility model is to propose that one kind has many advantages, such as corrosion-resistant or long service life
Air conditioner.
In the one aspect 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 are connected to the indoor heat exchanger, the compressor, institute
Outdoor heat exchanger and the orifice union are stated to constitute refrigerant circulation；First shut-off valve and the second shut-off valve, described first
Shut-off valve and the second shut-off valve is separately positioned between the indoor heat exchanger and compressor, the indoor heat exchanger and the section
It flows between component, wherein the indoor heat exchanger, the compressor, the outdoor heat exchanger, the orifice union, the system
At least part of at least one of refrigerant circuit, first shut-off valve and second shut-off valve is copper piece, the copper piece
The mass percent of middle phosphorus is 0.2%~1.0%.Inventor furthers investigate discovery, by using the copper piece in air conditioner,
It can be effectively reduced the corrosion rate and ant cave corrosion depth of the element of air conditioner, to be effectively reduced air-conditioning duct leakage
Rate effectively extends the service life of air conditioner.
Optionally, the indoor heat exchanger and the outdoor heat exchanger separately include: multiple fins, 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 part be the copper piece.Thus, it is possible to which the corrosion speed of the element of air conditioner is further effectively reduced
Rate and ant cave corrosion depth, prolong the service life.
Optionally, the heat conducting pipe is made of the copper piece.Thus, it is possible to the element of air conditioner is further effectively reduced
Corrosion rate and ant cave corrosion depth, prolong the service life.
Optionally, the heat conducting pipe includes U-shaped coil pipe, and at least part of the U-shaped coil pipe is the copper piece.As a result,
The corrosion rate and ant cave corrosion depth that the element of air conditioner can effectively further be reduced, prolong the service life.
Optionally, the heat conducting pipe includes multiple sub- heat conducting pipes in parallel, and at least one of the multiple sub- heat conducting pipe is
The copper piece.Thus, it is possible to which effectively further reducing the corrosion rate of the element of air conditioner and ant cave corrosion depth, extension makes
Use the service life.
Optionally, the heat conducting pipe includes: heat conducting pipe tube body, limits refrigerant passage in the heat conducting pipe tube body；With
And thermally conductive pipe screw thread, the thermally conductive pipe screw thread are formed on the inner wall of the tube body.Thus, it is possible to effectively further reduce empty
The corrosion rate and ant cave corrosion depth for adjusting the element of device, prolong the service life.
Optionally, the outer surface of the heat conducting pipe tube body does not have anti-corrosion layer.Thus, it is possible to and further increase air-conditioning
The temperature of device 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: to connect
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 part of the connecting tube tube body is the copper piece.Thus, it is possible to effectively further drop
The corrosion rate and ant cave corrosion depth of the element of low air conditioner, prolong the service life.
Optionally, the indoor and outdoor machine connecting line includes pressure duct and low pressure line, the pressure duct and described
Low pressure line is the copper piece.Thus, it is possible to effectively further reduce the corrosion rate and the corruption of ant cave of the element of air conditioner
Depth is lost, is prolonged the service life.
Optionally, the outer surface of the connecting tube tube body is formed with screw thread.It can prevent from connecting in transport and installation process
Adapter tube folding is flat, is broken.
Optionally, the connecting tube outer surface of tube body does not have anti-corrosion layer.Thus, it is possible to further increase air conditioner
Temperature adjusts 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, it is in fluid communication to constitute the indoor unit connecting tube and the indoor unit branch pipe, wherein the indoor unit connection
At least part of at least one of pipe, the indoor unit branch pipe and the distributor is the copper piece.Thus, it is possible to further
It is effectively reduced the corrosion rate and ant cave corrosion depth of the element of air conditioner, is prolonged the service life.
Optionally, the distributor includes: shell, and main channel and a plurality of branch are limited in the shell, a plurality of described
Branch is connected to 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 shell, the main channel, the branch, the indoor unit connecting tube, the indoor unit branch are extremely
One of few at least part is the copper piece.Thus, it is possible to effectively further reduce the corrosion rate of the element of air conditioner
And ant cave corrosion depth, prolong the service life.
Optionally, air conditioner further comprises: four-way valve, and the four-way valve is for switching the outdoor heat exchanger and described
The function of indoor heat exchanger, wherein at least part of the four-way valve is the copper piece.Thus, it is possible to effectively further
The corrosion rate and ant cave corrosion depth for reducing the element of air conditioner, prolong the service life.
Optionally, the four-way valve includes: solenoid pilot valve；Main valve body, the main valve body and the solenoid pilot valve are logical
The first capillary is crossed to be connected；First valve port, the second valve port, third valve port and the 4th valve port, first valve port, second valve
Mouth, the third valve port and the 4th valve port are arranged on the main valve body, and first valve port and the compressor
Exhaust outlet be connected, second valve port is connected with the air entry of the compressor, the third valve port and it is described interior heat exchange
Device is connected, and the 4th valve port is connected with the outdoor heat exchanger, wherein the main valve body, first capillary, described the
At least part of at least one of one valve port, second valve port, the third valve port and the 4th valve port is the copper
Part.Thus, it is possible to effectively further reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, extends and use the longevity
Life.
Optionally, air conditioner further comprises: high pressure valve, and the high pressure valve is arranged in second shut-off valve and the room
Between external heat exchanger；Low pressure valve, the low pressure valve are arranged between first shut-off valve and the compressor, wherein described
At least part of at least one of low pressure valve and the high pressure valve is the copper piece.Thus, it is possible to effectively further reduce
The corrosion of elements rate and ant cave corrosion depth of air conditioner, prolong the service life.
Optionally, the orifice union includes: filter, and the filter is 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 silencer and second is eliminated the noise
Device, first silencer and second silencer are separately positioned between the filter and the electric expansion valve, with
And between the electric expansion valve and second shut-off valve, wherein the filter, the electric expansion valve, described first
At least one of silencer and second silencer are the copper piece.Thus, it is possible to effectively further reduce air conditioner
The corrosion rate and ant cave corrosion depth of element, prolong the service life.
Optionally, orifice union further comprises: the second capillary and coupling tube, and second capillary and coupling tube are set
It sets between the electric expansion valve and first silencer and the electric expansion valve and second silencer,
In, at least part of at least one of second capillary and described coupling tube is the copper piece.Thus, it is possible to further
It is effectively reduced the corrosion rate and ant cave corrosion depth of the element of air conditioner, is prolonged the service life.
Optionally, the mass percent of copper is greater than 98.97% in the copper piece, and the mass percent of impurity is lower than
0.03%.Thus, it is possible to effectively further reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, extends and use
Service life, and guarantee that there is air conditioner preferable temperature to adjust efficiency such as refrigerating efficiency.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the air conditioner according to the utility model one embodiment；
Fig. 2 shows the structural schematic diagram of the heat exchanger according to the utility model another embodiment；
Fig. 3 shows the structural schematic diagram of the heat exchanger heat conducting pipe according to the utility model another embodiment；
Fig. 4 shows the structural schematic diagram of the heat exchanger heat conducting pipe according to the utility model another embodiment；
Fig. 5 shows the structural schematic diagram of the heat exchanger according to the utility model another embodiment；
Fig. 6 shows the structural schematic diagram of the indoor and outdoor machine connecting line according to the utility model one embodiment；
Fig. 7 shows the structural schematic diagram of the indoor and outdoor machine connecting line according to the utility model another embodiment；
Fig. 8 shows the structural schematic diagram of the indoor unit auxiliary piping according to the utility model one embodiment；
Fig. 9 shows the structural schematic diagram of the indoor unit distributor according to the utility model one embodiment；
Figure 10 shows the structural schematic diagram of the four-way valve according to the utility model one embodiment；
Figure 11 shows the structural schematic diagram of the air conditioner according to the utility model another embodiment；
Figure 12 shows the structural schematic diagram of the orifice union according to the utility model one embodiment；
Figure 13 shows the structural schematic diagram of the air-conditioner outdoor unit according to the utility model another embodiment；
Figure 14 shows the structural schematic diagram of the air-conditioner outdoor unit according to the utility model another embodiment；
Figure 15 is shown to be corroded deeply according to ant cave of phosphorus (P) content in another embodiment copper piece of the utility model to copper piece
The influence of degree.
Appended drawing reference:
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；The sealing of high-voltage tube copper nut
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 valve port
8210；Second valve port 8220；Third valve port 8230；4th valve port 8240；High pressure valve 900；Low pressure valve 1000；Filter 410；Electricity
Sub- expansion valve 420；First silencer 430；Second silencer 440；Second capillary 450；Coupling tube 460.
Specific embodiment
The embodiments of the present invention are described below in detail.The embodiments described below is exemplary, and is only used for explaining
The utility model, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according to
Technology or conditions described in document in the art 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 embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
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 completes to true understanding:
Inventor carries out in research process to air conditioner, it is found that weather and air environment use the longevity for air conditioner
Life can have a significant impact, for example, sulfur content is relatively high in air, in the more serious environment of atmosphere pollution for inventor's discovery,
Copper member generates corrosion scales, and the service life of air conditioner can decreased significantly.For this purpose, inventor has made intensive studies hair
Existing, sulfur content is relatively high in air, in the more serious environment of atmosphere pollution, such as in such as tropical rain forest, wet environment, sky
The more serious areas of atmosphere pollution such as gas is poor, vehicle exhaust, volcanic gas, acid rain are serious, evaporator, the condenser pipe of air-conditioning
And the components such as connecting tube, due to containing copper member such as copper pipe, so being easy to be corroded, over time, corrosion can be led
The leakage for causing air-conditioning duct, especially when copper pipe surface has condensed water, condensed water absorbs the sulfurous gas (such as two in air
Sulfur oxide) acid that is formed afterwards can react quickening corrosion with copper pipe, to severely impact the service life of air conditioner.Hair
Bright people is had found by in-depth study, outstanding in temperature adjustment process in order to slow down air conditioner under the mal-condition described in front
It is that copper member corrodes in process of refrigerastion.It would generally be sprayed on copper member surface or anti-corrosion layer is electroplated, such as in copper
Element surface sprays resistant material, or other protective metal layer such as tin is electroplated.But operation can significantly improve in this way
Manufacturing cost, and the forming position for being all difficult to control anti-corrosion layer is sprayed, often anti-corrosion layer is sprayed in preparation process
Onto the peripheral element of copper member.For example, when the thermally conductive pipe surface of heat exchanger sprays anti-corrosion layer, it will usually by corrosion-resistant material
Material sprays 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, to cause manufacturing process poor reliability, yields is low, further improves the production cost of air-conditioning.
Inventor further deeply grinds the corrosion rate and ant cave corrosion depth that how to slow down copper member as a result,
Study carefully, material substitution has been carried out to the copper member in air conditioner, such as copper member is replaced into aluminium element.By to full aluminium heater
(evaporator or condenser) carries out analysis and finds, the market acceptance of full aluminium heater is bad, and heating conduction is poor.
In the course of the research, inventor furthers investigate discovery and is contained by the way that copper member employed in air conditioner is replaced with phosphorus
The copper piece that amount is 0.2%~1.0% can be effectively reduced the corrosion rate and ant cave corrosion depth of air conditioner in use
Degree, so that air-conditioning duct slip be effectively reduced.
In view of this, a purpose of the utility model is to propose that one kind has many advantages, such as corrosion-resistant or long service life
Air conditioner.
In the one aspect of the utility model, the utility model proposes a kind of air conditioners, with reference to Fig. 1~14, according to this
The embodiment of utility model, the air conditioner include: indoor heat exchanger 100, compressor 200, outdoor heat exchanger 300, orifice union
400, refrigerant line 500, the first shut-off valve 600 and the second shut-off valve 700.Wherein, embodiment according to the present utility model, pressure
Contracting machine 200 is connected with indoor heat exchanger 100, and outdoor heat exchanger 300 is connected with compressor 200, orifice union 400 respectively with outdoor
Heat exchanger 300 is connected with indoor heat exchanger 100, and the connection of refrigerant line 500 indoor heat exchanger 100, compressor 200, outdoor are changed
To constitute refrigerant circulation, the first shut-off valve 600 and the second shut-off valve 700 are separately positioned on for hot device 300 and orifice union 400
Between indoor heat exchanger 100 and compressor 200, between indoor heat exchanger 100 and orifice union 400.To in the fortune of air conditioner
During row, refrigerant can pass sequentially through indoor heat exchanger 100, the first shut-off valve 600, compressor 200, outdoor heat exchanger
300, orifice union 400, the second shut-off valve 700, finally return indoor heat exchanger 100, so as to form refrigerant circulation, and
By the heat exchange between transformation between the gas phase and liquid phase of refrigerant, refrigerant and interior or outdoor air, to realize
Refrigeration processing is for example carried out to the adjusting of room temperature.Embodiment according to the present utility model, indoor heat exchanger 100, compression
Machine 200, outdoor heat exchanger 300, orifice union 400, refrigerant line 500 and the first shut-off valve 600, the second shut-off valve 700
At least one at least part be copper piece that phosphorus content is 0.2%~1.0%.Inventor furthers investigate discovery, by sky
Adjusting in device uses phosphorus content for 0.2%~1.0% copper piece, can be effectively reduced corrosion of elements rate and the ant cave of air conditioner
Corrosion depth effectively extends the service life of air conditioner to be effectively prevented from air-conditioning duct leakage.
It should be noted that term " being at least partially the copper piece " used in herein refers to, in air-conditioning
Specific component, the copper that can be all 0.2%~1.0% by phosphorus content is at being also possible to subelement therein or portion
Dividing material is the copper that phosphorus content is 0.2%~1.0%, and the copper or copper piece that the phosphorus content is 0.2%~1.0% refer to phosphorus
The copper or copper piece that mass percent is 0.2%~1.0%.
Herein used in term " copper piece " refer to the element be by phosphorus content be 0.2%~1.0% copper at
's.
The inventor of the utility model is used to prepare air conditioner element to the copper for being 0.2%~1.0% by above-mentioned phosphorus content
Discovery is conducted in-depth research, when the copper for being 0.2%~1.0% by phosphorus content is used to prepare air conditioner element, in order to
The operational reliability of air-conditioning is enough improved, the performance parameter for the copper piece that can be 0.2%~1.0% to phosphorus content is adjusted.Tool
Body, the copper piece has good mechanical property, and the surface cleanliness of embodiment according to the present utility model, the copper piece is
At most 17 ㎎/㎡.Thus, it is possible to the corrosion rate and ant cave corrosion depth of the element of air conditioner are effectively further reduced, with
And further increase the temperature adjusting efficiency such as refrigerating efficiency of air conditioner.Embodiment according to the present utility model, the copper piece
Surface cleanliness be at most 10 ㎎/㎡.Thus, it is possible to effectively further reduce corrosion rate and the ant of the element of air conditioner
Cave corrosion depth, and further increase the temperature adjusting efficiency such as refrigerating efficiency of air conditioner.
Embodiment according to the present utility model, in order to further control the local corrosion and corrosion rate of heat exchanger, institute
It states in addition to phosphorus content is 0.2%~1.0% in copper piece, the mass percent of copper is greater than 98.97% in the copper piece, the matter of impurity
It measures percentage and is lower than 0.03%.In some embodiments of the utility model, the mass percent of copper is greater than in copper piece
98.97%, it is less than or equal to 99.8%；In other embodiments of the utility model, the mass percent of copper is greater than in copper piece
98.97%, it is less than or equal to 99.77%.Thus, it is possible to further control the local corrosion and corrosion rate of heat exchanger, guarantee
There is preferable mechanical property and temperature to adjust efficiency such as refrigerating efficiency for heat exchanger or air conditioner.It should be noted that herein
In " impurity " specifically refer to the other elements in copper piece other than copper, phosphorus.
Some embodiments according to the present utility model, the copper piece technological process of production: by gas shield atmosphere by nothing
Oxygen copper (at least one of TU00, TU0, TU1 or TU2) melts, and adds suitable P element, and P content control in copper is made to exist
0.2%~1.0%.Can get containing P content is 0.2~1.0wt%, and impurity content is not higher than the copper base of 0.03wt%, then by institute
It states copper base and is squeezed into copper tube billet, successively stretch, aligning, detect a flaw, after scale by coiling of annealing, three series connection again later, progress light
Bright annealing, carries out joint finishing, quality inspection, overlay film, packaging for the product after annealing, finally obtains finished product, i.e. P content is
0.2~1.0wt%, copper content is greater than 98.97%, and impurity content is not higher than the copper piece of 0.03wt%.
Embodiment according to the present utility model, the content of phosphorus and the relationship of its ant cave corrosion depth can refer to figure in copper piece
15, as seen from the figure, when the content of phosphorus in copper piece is lower than 0.2%, ant cave corrosion depth is greater than 100 microns；When phosphorus in component
Content between 0.2%~1.0% when, ant cave corrosion depth even lower than 50 microns, is shown excellent less than 100 microns
Corrosion resistance prolonged its service life to reduce the pipeline leakage rate of heat exchanger；When the content of phosphorus in copper piece is greater than 1%,
The mechanical property of copper piece may be subjected to adverse effect, and corrosion resistance can also be deteriorated.
In order to facilitate understanding, each main component of air conditioner is described in detail below.
Heat exchanger is refrigerant and the main place that temperature is adjusted, the position according to set by heat exchanger occur for outside air
It sets, is referred to as indoor heat exchanger 100 and outdoor heat exchanger 300 herein.In addition, skilled artisans appreciate that
It is that refrigerant is the heat exchanger of gas phase, also referred to as evaporator by liquid phase, refrigerant is the heat exchange of liquid phase by gas phase transition
Device, also referred to as condenser.Embodiment according to the present utility model, indoor heat exchanger 100 and outdoor heat exchanger 300 can be together
The heat exchanger of type is also possible to different types of heat exchanger.
With reference to Fig. 2~5, embodiment according to the present utility model, indoor heat exchanger 100 can divide with outdoor heat exchanger 300
It does not independently include: multiple fins 110 and heat conducting pipe 120.Embodiment according to the present utility model, multiple fins 110 are set side by side
It sets, heat conducting pipe 120 is threaded through in multiple fins 110 arranged side by side, thus when refrigerant passes through from heat conducting pipe 120, energy
It is enough that heat exchange is effectively occurred by heat conducting pipe 120 and fin 110 and outside air (indoor or outdoor), to realize system
The phase transformation of cryogen, and then realize and the temperature of room air is adjusted.Embodiment according to the present utility model, fin 110 and thermally conductive
At least part of at least one of pipe 120 is the copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further
The corrosion rate and ant cave corrosion depth for reducing the element of air conditioner, prolong the service life.Embodiment according to the present utility model,
Heat conducting pipe 120 is made of phosphorus content of 0.2%~1.0% copper piece.Thus, it is possible to effectively further reduce the member of air conditioner
The corrosion rate and ant cave corrosion depth of part, prolong the service life.Embodiment according to the present utility model, indoor heat exchanger 100
Or the refrigerant in outdoor heat exchanger 300 is when being changed into gas phase by liquid phase scrubbing external heat, due to being easy in heat exchanger
Surface forms water droplet, to be easy to cause to corrode to the heat exchanger as air conditioner main component, especially when air quality ratio
The atmosphere pollution ratios such as when poor, tropical rain forest, wet environment, air be poor, vehicle exhaust, volcanic gas, acid rain are serious
More serious area.Outdoor heat exchanger 300 is contacted by exposure to outdoor with outdoor air, therefore, when air quality is poor
When, the atmosphere pollution such as tropical rain forest, wet environment, air be poor, vehicle exhaust, volcanic gas, acid rain are serious are tighter
The area of weight, outdoor heat exchanger 300 are easy to happen corrosion phenomenon.For the utility model, due to indoor heat exchanger 100 or
The heat conducting pipe 120 of person's outdoor heat exchanger 300 and at least part of at least one of fin 110 be phosphorus content be 0.2%~
1.0% copper piece, it is 0.2% that in other words at least part of at least one of heat conducting pipe 120 and fin 110, which is by phosphorus content,
Made of~1.0% copper.Therefore, extraneous corrosiveness can be reasonably resistant to.In addition, inventor furthers investigate discovery,
Work as heat exchanger, when no matter indoor heat exchanger 100 or outdoor heat exchanger 300 use phosphorus content as 0.2%~1.0% copper piece,
It is resisted local corrosion ability and can significantly increase, and the service life of air-conditioning is extended.
With reference to Fig. 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
Few a part is the copper piece that phosphorus content is 0.2%~1.0%.It is thus possible to effectively further reduce the element of air conditioner
Corrosion rate and ant cave corrosion depth, and prolong the service life.In addition, embodiment according to the present utility model, may 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 is easy to happen usually than relatively thin
Corrosion.Substitute other materials by using the copper that phosphorus content is 0.2%~1.0%, can reduction corrosion rate effectively and
Ant cave corrosion depth.To, reduce preparation cost, can effectively further reduce the element of air conditioner corrosion rate and
Ant cave corrosion depth, and prolong the service life.
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 Fig. 5
Embodiment according to the present utility model, heat conducting pipe 120 include multiple sub- heat conducting pipes 1210 in parallel, multiple sub- heat conducting pipes 1210
At least one be copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further reduce the element of air conditioner
Corrosion rate and ant cave corrosion depth, prolong the service life.
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
Refrigerant passage out；And thermally conductive pipe screw thread, thermally conductive pipe screw thread are formed in (not shown) on the inner wall of tube body.As a result, may be used
Effectively further to reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, prolong the service life.
It will be appreciated by those skilled in the art that the utility model is substituted by using the copper that phosphorus content is 0.2%~1.0%
Current material can be effectively reduced the corrosion rate and ant cave corrosion depth of air conditioner element, thus according to air conditioner element
Such as the outer surface of the heat conducting pipe 120 of heat exchanger can be not provided with anti-corrosion layer, equally can be realized corrosion resistant effect.By
This, can further decrease the production cost of air conditioner, and can be improved heat transfer effect.The implementation of the utility model as a result,
The outer surface of example, the tube body of heat conducting pipe 120 does not have anti-corrosion layer.The temperature that can be further improved air conditioner adjusts efficiency example
Such as refrigerating efficiency.
Refrigerant line 500 is described in detail below.
With reference to Fig. 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 part is the copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further reduce air conditioner
Corrosion of elements rate and ant cave corrosion depth, prolong the service life.This field is, it is understood that the connecting tube tube body 510
Surface can equally be not provided with anti-corrosion layer, to reduce production cost.
With reference to Fig. 7, according to an embodiment of the invention, indoor and outdoor machine connecting line includes pressure duct and low pressure line, height
Pressure pipe road and low pressure line are the copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further avoid air-conditioning
The element of device is corroded, and prolongs the service life.Specifically, pressure duct and low pressure line include 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-voltage tube 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 sealing plug 540B, low-voltage tube copper nut
530A and low-voltage tube copper nut sealing plug 540A.It will be appreciated by those skilled in the art that these elements can be set to phosphorus
The copper piece that content is 0.2%~1.0%, and these phosphorus contents can not equally set for the surface of 0.2%~1.0% copper piece
Anti-corrosion layer is set, to reduce production cost.
The outer surface of embodiment according to the present utility model, connecting tube tube body 510 is formed with screw thread.Thus facilitate connecting tube
Bending.
With reference to Fig. 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, to make indoor unit connecting tube 5510 and indoor unit branch pipe
5520 constitute fluid communication, wherein at least one of indoor unit connecting tube 5510, indoor unit branch pipe 5520 and distributor 130
At least part is the copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further reduce the element of air conditioner
Corrosion rate and ant cave corrosion depth, prolong the service life.It will be appreciated to those of skill in the art that when air conditioner is used for
When refrigeration, water droplet easy to form at the connecting line of indoor unit, to cause the corrosion of hardware.It is assisted by machine indoors
It uses phosphorus content for 0.2%~1.0% copper product in pipeline, corrosion rate and ant cave corrosion depth can be effectively reduced.
In addition, it will be appreciated by those skilled in the art that the copper product for being 0.2%~1.0% by using phosphorus content, machine assists indoors
Anti-corrosion layer can be no longer set in pipeline, to improve production efficiency, reduce production cost, improve the production of product
Yield.
With reference to Fig. 9, embodiment according to the present utility model, distributor 130 includes: shell 1310, in the shell 1310
Main channel 13110 and a plurality of branch 13120 are limited, which is connected to main channel 13110, wherein indoor
Machine connecting tube 5510 is connected with primary path 13110, and indoor unit branch pipe 5520 is connected with branch 13120, shell, main channel, branch,
At least part of at least one of indoor unit connecting tube, indoor unit branch is the copper piece that phosphorus content is 0.2%~1.0%.By
This, can effectively further reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, prolong the service life.
With reference to Figure 10, in addition, embodiment according to the present utility model, air conditioner can further include: four-way valve, four
Port valve is used to switch the function of outdoor heat exchanger and indoor heat exchanger, wherein at least part of four-way valve is for phosphorus content
0.2%~1.0% copper piece.Thus, it is possible to which the corrosion of elements rate for effectively further reducing air conditioner and the corrosion of ant cave are deeply
Degree.By using four-way valve, it can effectively enable air-conditioning that there is refrigeration and heating effect simultaneously.Due to practical new at this
The air conditioner of type embodiment uses phosphorus content as 0.2%~1.0% copper piece, therefore, either refrigeration or heating condition
Under, air conditioner can show better corrosion resistance.
Specific embodiment according to the present utility model, four-way valve is including may include solenoid pilot valve 810 and main valve body
820, main valve body 810 is connected with solenoid pilot valve 820 by the first capillary, and the first valve port is provided on main valve body 810
8210, the second valve port 8220, third valve port 8230 and the 4th valve port 8240, and the row of the first valve port 8210 and compressor 200
Port is connected, and the second valve port 8220 is connected with the air entry of compressor 200, and third 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, the first capillary, the first valve port 8210, the second valve
It is 0.2%~1.0% that at least part of at least one of mouth 8220, third valve port 8230 and the 4th valve port 8240, which is phosphorus content,
Copper piece.Thus, it is possible to effectively further reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, extends and use
Service life.
With reference to Figure 11~Figure 14, it will be appreciated to those of skill in the art that air conditioner can also have other elements.
Specifically, embodiment according to the present utility model, air conditioner may further include: high pressure valve 900 and low pressure valve
1000, wherein high pressure valve 900 is arranged between the second shut-off valve 700 and outdoor heat exchanger 300, and the setting of low pressure valve 1000 is the
Between one shut-off valve 600 and compressor 200, wherein low pressure valve 1000 and at least part of at least one of high pressure valve 900 are
The copper piece that phosphorus content is 0.2%~1.0%.Thus, it is possible to effectively further reduce air conditioner element corrosion rate and
Ant cave corrosion depth, prolongs the service life.
In addition, embodiment according to the present utility model, referring to Fig.1 2, orifice union 400 may include: filter 410, mistake
Filter 410 is connected with outdoor heat exchanger 300；Electric expansion valve 420, the first silencer 430 and the second silencer 440, wherein electricity
Sub- expansion valve 420 is connected with filter 410 and the second shut-off valve 700 respectively, and the first silencer 430 is arranged in 410 He of filter
Between electric expansion valve 420, the second silencer 440 is arranged between electric expansion valve 420 and the second shut-off valve 700, wherein mistake
At least one of filter 410, electric expansion valve 420, the first silencer 430 and second silencer 440 be phosphorus content be 0.2%~
1.0% copper piece.Thus, it is possible to effectively further reduce the corrosion rate and ant cave corrosion depth of the element of air conditioner, prolong
Long life.
Embodiment according to the present utility model, referring to Fig.1 2, orifice union further comprises: the second capillary 450 and mistake
Pipe 460 is crossed, the second capillary 450 and the setting of coupling tube 460 are swollen in electric expansion valve 420 and the first silencer 430 and electronics
Between swollen valve 420 and the second silencer 440, wherein at least part of at least one of the second capillary and coupling tube is phosphorus
The copper piece that content is 0.2%~1.0%.Thus, it is possible to effectively further reduce corrosion rate and the ant of the element of air conditioner
Cave corrosion depth, prolongs 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 spy described in conjunction with this embodiment or example
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
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (19)
1. a kind of air conditioner characterized by comprising
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 are connected to the indoor heat exchanger, the compressor, the outdoor heat exchanger and institute
Orifice union is stated to constitute refrigerant circulation；
First shut-off valve and the second shut-off valve, first shut-off valve and second shut-off valve are separately positioned on the interior and change
Between hot device and compressor, 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 part of at least one of road, first shut-off valve and second shut-off valve is copper piece, phosphorus in the copper piece
Mass percent is 0.2%~1.0%.
2. air conditioner according to claim 1, which is characterized in that the indoor heat exchanger and the outdoor heat exchanger are distinguished
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 part of at least one of the fin and described heat conducting pipe is the copper piece.
3. air conditioner according to claim 2, which is characterized in that the heat conducting pipe is made of the copper piece.
4. air conditioner according to claim 2, which is characterized in that the heat conducting pipe includes U-shaped coil pipe, the U-shaped coil pipe
At least part be the copper piece.
5. air conditioner according to claim 2, which is characterized in that the heat conducting pipe includes multiple sub- heat conducting pipes in parallel,
At least one of the multiple sub- heat conducting pipe is the copper piece.
6. air conditioner according to claim 2, which is characterized in that the heat conducting pipe includes:
Heat conducting pipe tube body limits refrigerant passage in the heat conducting pipe tube body；And
Thermally conductive pipe screw thread, the thermally conductive pipe screw thread are formed on the inner wall of the tube body.
7. air conditioner according to claim 6, which is characterized in that the outer surface of the heat conducting pipe tube body does not have corrosion-resistant
Layer.
8. air conditioner according to claim 1, which is characterized 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 part of the connecting tube tube body is the copper piece.
9. air conditioner according to claim 8, which is characterized 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 the copper piece.
10. air conditioner according to claim 8, which is characterized in that the outer surface of the connecting tube tube body is formed with screw thread.
11. air conditioner according to claim 8, which is characterized in that the connecting tube outer surface of tube body does not have corrosion-resistant
Layer.
12. air conditioner according to claim 1, which is characterized 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 are connected with the indoor unit connecting tube and the indoor unit branch pipe respectively, described to make
Indoor unit connecting tube and the indoor unit branch pipe, which are constituted, to be in fluid communication,
Wherein, at least part of at least one of the indoor unit connecting tube, the indoor unit branch pipe and described distributor is
The copper piece.
13. air conditioner according to claim 12, which is characterized in that the distributor includes:
Shell limits main channel and a plurality of branch in the shell, and a plurality of branch is connected to the main channel,
Wherein, the indoor unit connecting tube is connected with the main channel, and the indoor unit branch pipe is connected with the branch, the shell
At least part of at least one of body, the main channel, the branch, the indoor unit connecting tube, the indoor unit branch
For the copper piece.
14. air conditioner according to claim 1, which is characterized in that further comprise:
Four-way valve, the four-way valve are used to switch the function of the outdoor heat exchanger and the indoor heat exchanger,
Wherein, at least part of the four-way valve is the copper piece.
15. air conditioner according to claim 14, which is characterized 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 the first capillary；
First valve port, the second valve port, third valve port and the 4th valve port, first valve port, second valve port, the third valve
Mouth and the 4th valve port are arranged on the main valve body, and first valve port is connected with the exhaust outlet of the compressor,
Second valve port is connected with the air entry of the compressor, and the third valve port is connected with the indoor heat exchanger, and described
Four valve ports are connected with the outdoor heat exchanger,
Wherein, the main valve body, first capillary, first valve port, second valve port, the third valve port and institute
At least part for stating at least one of the 4th valve port is the copper piece.
16. air conditioner according to claim 1, which is characterized in that further comprise:
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 part of at least one of the low pressure valve and described high pressure valve is the copper piece.
17. air conditioner according to claim 1, which is characterized 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 silencer and the second silencer, first silencer and second silencer are separately positioned on the filter
Between the electric expansion valve and between the electric expansion valve and second shut-off valve,
Wherein, at least one of the filter, the electric expansion valve, first silencer and described second silencer are
The copper piece.
18. air conditioner according to claim 17, which is characterized in that the orifice union further comprises:
Second capillary and coupling tube, second capillary and coupling tube setting are in the electric expansion valve and described the
Between one silencer and the electric expansion valve and second silencer, wherein second capillary and the transition
At least part of at least one of pipe is the copper piece.
19. air conditioner described according to claim 1~any one of 18, which is characterized in that the quality hundred of copper in the copper piece
Score is greater than 98.97%, and the mass percent of impurity is lower than 0.03%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776599.1U CN208920414U (en) | 2018-05-23 | 2018-05-23 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776599.1U CN208920414U (en) | 2018-05-23 | 2018-05-23 | Air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN208920414U true CN208920414U (en) | 2019-05-31 |
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ID=66692263
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| CN201820776599.1U Active CN208920414U (en) | 2018-05-23 | 2018-05-23 | Air conditioner |
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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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2018
- 2018-05-23 CN CN201820776599.1U patent/CN208920414U/en active Active
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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