ES2246765T3 - CONNECTION DEVICE FOR INSTALLING AN AIR CONDITIONING DEVICE. - Google Patents

Abstract

An installation procedure of an air conditioner comprising the step of allowing the replacement gas in the replacement gas charging container (20) to flow from a refrigerant charging mouth (8b) of a valve body connection of a tube supplied in an outdoor unit (A) of the air conditioner and then the step of collecting said replacement gas into a container (40) for collecting the replacement gas from said coolant charge mouth (8b) , characterized by: using a connection device (30, 50) comprising: a first connection mouth that can be connected to said refrigerant charge mouth (8b) and a second connection mouth that can be connected to a container ( 20) charging the replacement gas or a replacement gas collection container (40) for installing the air conditioner, wherein said first mouth includes a first connection part (31) capable of to be connected to said refrigerant charge port (8b), said second connection mouth including a second connection part (32) capable of being connected to said replacement gas charge container (20) or to said collection container (40) of the replacement gas, wherein said refrigerant charge port (8b) is opened when said first connection mouth and said refrigerant charge mouth are connected to each other by said first connection part (31) and said container (20) of charging the replacement gas or said replacement gas collection container (40) is opened when connecting said second connection mouth and said replacement gas charging container (20) or said gas collection container (40) replacement with each other by said second connection part (32).

Description

Connection device to install a device of air conditioning.

Background of the invention (1) Field of the invention

The present invention relates to a procedure to install a used air conditioner to connect an indoor unit and an outdoor unit using connecting pipes

(2) Description of the prior art

A refrigeration cycle used for an appliance of air conditioning comprises a mechanical part in which a compressor, a heat exchanger and a rate controller of refrigerant flow that has an expansion mechanism, as per example a capillary tube or an expansion valve, are connected by tubes, such as copper pipes, and a fluid loaded in the refrigeration cycle, such as a refrigerant and a lubricating oil composition.

A separate type air conditioner it comprises an outdoor unit that has a compressor and a heat exchanger, and an indoor unit that has another heat exchanger installed in a place where the cooling air conditioning. The outdoor unit and the indoor unit are connected through connecting pipes, such as copper pipes. In this type of cycle of refrigeration is common to establish a refrigeration cycle of the following way: first, a part or all of the composition of Lube oil is preloaded inside the unit outside and the valves of the outdoor unit are closed; Y subsequently the outdoor unit is connected to the unit inside by connecting pipes during installation.

However, if the tubes are simply connected in this way, the air remains in the indoor unit and in the connection pipes. In order to remove the air, it is used a conventional procedure in which a vacuum pump connected to the refrigerant charge port supplied in the outdoor unit valve. And, once the air is removed by the vacuum pump, the valve opens to connect the unit indoor and outdoor unit, thereby forming the cycle of refrigeration.

There is another simple installation procedure in which a valve in the outdoor unit opens during the installation, so that the refrigerant in the outdoor unit is allowed to flow into one of the connection tubes, the unit inside and when the other connecting tube and is released together with the air that remains in the system from a free space created by moderating the connection of a connection mouth or a refrigerant charge port supplied in the other valve of the outdoor unit; thereby replacing the gas in the indoor unit and connection pipes.

In view of such conventional procedures, Japanese patent application exposed to public inspection number H3-70953 discloses a procedure for set a refrigeration cycle without using a vacuum pump in which once the gas is replaced in the refrigeration cycle  by oxygen, the refrigerant is charged and the oxygen is solidified by an oxygen fixing agent disposed in the refrigeration cycle

In addition, the Japanese patent application exposed to the public inspection number H7-159004, gives know a procedure to load, within a part of a refrigeration cycle, a material capable of absorbing two or more of between water, oxygen, nitrogen, carbon dioxide and the like in the air in said separate type of air conditioner in which between a freezer compressor, a condenser, a mechanism expansion such as a capillary tube and a valve of expansion, and an evaporator, one of the condenser and the evaporator and one between the condenser and the evaporator can be separate from the expansion mechanism and connected by the tubes.

In addition, the Japanese patent application exposed to the public inspection number H7-269994 gives know a refrigeration cycle in which an adsorption agent of oxygen is arranged in a circulation system of refrigerant.

In addition, the Japanese patent application exposed to the public inspection number H9-292168 gives know a procedure in which an air absorption agent is arranged to remove air in a tube and a unit interior, and a procedure in which once the dioxide of carbon is loaded into the tube and the indoor unit, the dioxide of carbon in the tube and in the indoor unit is absorbed by the carbon dioxide absorption agent to establish the empty.

In addition, the United States patent US 5,718,119 discloses a cooling system that includes a outdoor unit that has a refrigeration compressor and a heat exchanger, and an indoor unit that has a heat exchanger to be placed where the device is desired of air conditioning. When installing the cooling system the outdoor unit is first connected to the indoor unit through of a few lines of tubes and the air absorption device that Contains zeolite as adsorbent is subsequently placed in the outdoor unit, indoor unit or tube lines for remove the air Subsequently, the absorption device of the air is separated from the cooling system and the refrigerant is forced to circulate through the cooling system.

In addition, the Japanese patent application JP-A-07 103 620 unveils a device and procedure for feeding a gas cooler vehicle with an arrangement of a gas charging device cooler connected to a low pressure side of a compressor a through a charging hose causing a purge effect of air so that the fluorocarbon gas in the cooler flows within a channel Said charging device is attached to a tube supply of the cooling gas by screwing a cylinder into the that a ball is pressed against a valve seat within a shell of a boat filled with gas.

Since the air that remains in the cycle of cooling deteriorates the cooling ability since it is a non-condensing gas and oxygen and water facilitate the degradation of freezer oil, iron and the like in the cycle of cooling, it is inevitably necessary to remove the air.

Among the conventional techniques above different, the procedure to remove the air using the pump Void is common. However, in order to operate the vacuum pump at the installation site, it is necessary that a power supply; it is also difficult to use the pump on a roof or similar and therefore this procedure does not It can be called a simple procedure.

In addition, in the case of the replacement procedure of air that uses refrigerant it is not possible to avoid emissions from chlorofluorocarbon which is the refrigerant to the atmosphere and is not preferable for the problem of global warming in view of the global environmental limitations.

In addition, regarding a procedure of replacement gas collection once the air in the indoor heat exchanger and connecting tubes is replaced by replacement gas has not proposed a Simple replacement gas collection device.

Following the above, an object of this invention is to provide a method for installing an apparatus air conditioner capable of easily collecting a gas from replacement once the air in the heat exchanger of the inner and connecting pipes is replaced by gas from replacement.

The object is solved by characteristics of claim 1.

Exhibition of the invention

To get the object previously mentioned, as well as other objects according to the present invention are provides a procedure that uses a connection device to install an air conditioner comprising a first connection port connected to the refrigerant charge port of a tube connection valve body provided in one unit outside of the air conditioner, a second mouth of connection connected to a replacement gas cargo container to install the air conditioner, the replacement gas in the replacement gas cargo container being allowed to flow from the refrigerant charge port, in which the first connection mouth includes a first connection part capable of being connected to the refrigerant charge port, including the second connection mouth a second connection part capable of being connected to the replacement gas container, being open the coolant charge port when connecting the first connection mouth and coolant charge port with each other through the first connection part, and the loading mouth of refrigerant opens when connecting the second connection part and the replacement gas charging vessel with each other by the second connection part.

In the procedure using a device connection to install an air conditioner according to the present invention, the first connection mouth includes the first connection part capable of being connected to the loading mouth of the refrigerant, including the second connection port the second connection part capable of being connected to the cargo container of replacement gas When connecting the first connection mouth and the mouth refrigerant charge to each other by the first connection part the coolant charge opening opens. When connecting the second connection part and replacement gas charging container each other by the second connection part the container of replacement gas charge. According to the invention, the loading mouth of refrigerant can be opened simply by connecting the device for connection to the refrigerant charge port and the container replacement gas charge can be opened simply by connecting the replacement gas charging vessel to the device Connection. Therefore a replacement gas in the container replacement gas charge may be allowed to flow in the form of the refrigerant charge port simply by connecting the connection device to the refrigerant charge port and connecting the replacement gas charging container to said connection device Therefore, according to the first aspect of the present invention, the operation to flow the gas from replacement present in the replacement gas charging container at inside the air conditioner simply by connecting said connection device. In this way, according to the present aspect of the invention, it is unnecessary to operate the pump vacuum as in the prior art, and even when gas is used replacement is unnecessary to use a large-scale cylinder that It has a valve and it will be possible to use a gas container replacement of the disposable type without valve and in that way a installation operation of the air conditioner may be facilitated

According to a second aspect of the present invention, a method is provided using a device of connection to install an air conditioner that it comprises a first connection mouth collected to the loading mouth of coolant of a tube connection valve body supplied in the outdoor unit of the device, and a second mouth connection connected to the gas collection vessel of replacement to install the device, replacing the gas that is absorbed into the replacement gas collection vessel at through the refrigerant charge port, in which the first connection mouth includes a first connection part capable of being connected to the refrigerant charge port, including the second connection mouth a second connection part capable of being connected to the replacement gas collection vessel, being open the coolant charge port when connecting the first connection port and the refrigerant charge port with each other by the first part of connection, and the loading mouth of refrigerant when connecting the second connection part and the replacement gas collection vessel with each other by the Second connection part.

In the procedure that the device uses connection to install an air conditioner according to the second aspect of the present invention, the first mouth of connection includes the first connection part capable of being connected to the refrigerant charge port, including the second connection mouth the second connection part capable of being connected to the replacement gas collection vessel. To the connect the first connection mouth and the loading mouth of refrigerant to each other through the first connection part, the refrigerant charge port. When connecting the second part of connection and collection container with each other by the second connection part replacement gas collection vessel it opens. According to the present embodiment, the loading mouth of refrigerant can be opened simply by connecting the connection device to the refrigerant charge port and the replacement gas collection container may be opened simply by connecting the gas collection vessel of replacement to said connection device. Therefore, a gas of replacement in the replacement gas collection container may be collected from the refrigerant charge port inside the replacement gas collection vessel simply at connect the replacement gas collection vessel to the connection device and when connecting the connection device to the refrigerant charge port. Therefore, according to the present embodiment, the operation to collect gas from replacement of the air conditioner in the container Replacement gas collection is done simply by connecting said connection device. In this way, according to the present invention it is unnecessary to operate the vacuum pump as in the art above and even when replacement gas is used, it turns out unnecessary to use a large-scale cylinder with a valve, it will be possible to use a replacement gas collection container disposable type without valve and thus an operation of installation of the air conditioner provided.

According to a third aspect of the invention, provides a procedure that uses a connection device to install an air conditioner comprising a first connection port connected to a refrigerant charge port of a tube connection valve body provided in a unit outside of the air conditioner, and a second mouth of connection that can be connected to a gas cargo container replacement and a replacement gas collection container for install the air conditioner, in a first stage of the replacement gas in the replacement gas cargo container that it is allowed to flow through the refrigerant charge port and later in a second stage the replacement gas being absorbed into the replacement gas collection vessel at through the refrigerant charge port, in which the first connection mouth includes a first connection part capable of being connected to the refrigerant charge port, the second mouth of connection includes a second connection part capable of being connected to the replacement gas container and the replacement gas collection vessel, the refrigerant charge port when connecting the first mouth of connection and the coolant charge port with each other for the first connection part, and the refrigerant charge port is open to the connect the second connection part and the cargo container of replacement gas or replacement gas collection vessel  each other by the second connection part.

In the procedure using a device connection to install an air conditioner according to the third aspect of the present invention, the first mouth of connection includes the first connection part capable of being connected to the refrigerant charge port, including the second connection mouth the second connection part capable of being connected to the replacement gas container and the replacement gas collection container. When connecting the first connection mouth and the refrigerant charge port between yes for the first connection part, the loading mouth of refrigerant. When connecting the second connection part to the container of cargo or to the collection vessel the cargo container of replacement gas or replacement gas collection vessel it opens. According to the present invention the loading mouth of refrigerant can be opened simply by connecting the connection device to the coolant charge port, and the replacement gas charging container or container replacement gas collection may simply be opened at connect the replacement gas charging container or the container of replacement gas collection to said connection device. Therefore given that both the gas loading container of replacement and replacement gas collection container may be used with a single connection device, the operation for replace the air in the air conditioner once using the replacement gas and then collect the gas from replacement may be carried out only using said device of connection. Thus, according to the present invention, it turns out unnecessary to operate the vacuum pump as in the prior art, and even when replacement gas is used, it is unnecessary use a large-scale cylinder with a valve, it will be possible to use a replacement gas cargo container or the container of replacement gas collection of the disposable type without valve and said form facilitate the installation of the air apparatus conditioned.

According to a fourth aspect of the present invention, in the procedure that uses a connection device to install an air conditioner of any aspect first to third of the invention, the first connection part includes a tip member and a valve rod, and when the First connection mouth and refrigerant charge port are connected to each other by the first connection part, once the first connection part and the refrigerant charge port are hermetically sealed by the seal member, the rod of valve pushes and opens a valve core in the loading mouth of refrigerant. According to the present embodiment, the first connection port and refrigerant charge port may be connected to each other without mixing the air in the atmosphere.

According to this aspect of the present invention, in the procedure that a connection device uses to install a air conditioner of any of the first aspects To third of the invention, a screw is formed on a surface internal peripheral of the connection part, and the connection part it is rotatably provided around the outer periphery of the connection mouth According to the present invention, since it is possible screw without rotating the connection device itself, the possibility of operating at any time of installation is Excellent.

According to a sixth aspect of the present invention, in the procedure that uses a connection device to install an air conditioner of the fifth aspect of the invention, the connection part includes a gasket member that It is located deeper than the screw. Once an end of the refrigerant charge mouth makes contact against the member of gasket, a valve core in the refrigerant charge port is pushed and open. According to the present invention, the operation of connection can be carried out without mixing the air in the atmosphere.

A procedure for installing a device air conditioning according to an eighth aspect is to charge or collect replacement gas or coolant using the connection device to install the air apparatus conditioning of any of the first to third aspects of the invention. According to the present aspect of the invention, it turns out unnecessary to operate the vacuum pump as in the prior art, and even when replacement gas is used, it is unnecessary use a large-scale cylinder with a valve, it will be possible to use a disposable type container without valve and in that way facilitate the installation of the air conditioner.

According to a ninth aspect, a replacement gas charging vessel to install a device air conditioning in which one or more types of replacement gas which is in a state of gas at room temperature and atmospheric pressure and which is inert with respect to the refrigerant used in a refrigeration cycle of the air conditioner It is loaded into the replacement gas container, a mouth connection is connected to the refrigerant charge port of a tube connection valve body provided in one unit outside the appliance, and replacement gas is allowed to flow to through the coolant charge mouth, in which the mouth of connection includes a connection part capable of being connected to the refrigerant charge port, and when connecting the connection mouth and the coolant charge port on the connecting part, the mouth connection is open and the refrigerant charge port is open

In the replacement gas cargo container to install an air conditioner according to the ninth aspect of the present invention, a connection mouth includes a connection part capable of being connected to a loading port of refrigerant, and when connecting the connection mouth and the charge mouth of refrigerant by the connection part, the connection mouth is opens and the refrigerant charge port also opens. According to him present aspect of the invention, the loading mouth and the container Replacement gas charging may simply be opened at connect the replacement gas container to the mouth of refrigerant charge. Therefore, it will be possible to introduce that the replacement gas in the replacement gas cargo container a through the coolant charge port simply when connecting the replacement gas cargo container to the loading mouth of refrigerant. Thus, according to this aspect of the invention it is unnecessary to operate the vacuum pump as in the art above, and even when replacement gas is used, it turns out unnecessary to use a large-scale cylinder with a valve, it will be possible to use a replacement gas cargo container of the type disposable without valve and thus facilitate the installation of air conditioner.

According to a tenth aspect of the invention, supplies a replacement gas collection container for install an apparatus, in which a material that absorbs one or more kinds of replacement gas that is in a state of gas at temperature ambient and at atmospheric pressure and which is inert with respect to refrigerant used in a refrigeration cycle of the air apparatus conditioning is contained in the gas collection vessel replacement, a connection mouth is connected to the loading mouth of coolant of a tube connection valve body provided in an outdoor unit of the appliance, and the replacement gas charged in the connection of the air conditioner is absorbed through the refrigerant charge port, in which the connection mouth includes a connection part capable of being connected to the refrigerant charge port and when connecting the mouth connection and the refrigerant charge port by the connection, the connection mouth is open and the charging port of Refrigerant is open.

In the gas collection vessel of replacement to install an air conditioner according to the tenth aspect of the present invention, the connection mouth includes the connection part capable of being connected to the mouth of refrigerant charge, and when connecting the connection mouth and mouth of refrigerant charge by the connection part, the mouth of connection is open and the refrigerant charge port is also open According to the present aspect of the invention, the mouth of refrigerant charge and gas collection vessel replacement gas replacement may simply open when connected the replacement gas collection vessel to the loading mouth of refrigerant Therefore, it will be possible to recover the gas from replacement of the refrigerant charge port inside the replacement gas collection vessel connecting simply the replacement gas collection vessel at refrigerant charging port. In this way, according to the present aspect of the invention, it is unnecessary to operate the pump vacuum as in the prior art, and even when using the replacement gas, it is unnecessary to use a large cylinder scale with a valve, it will be possible to use a container of replacement gas collection of the disposable type without valve and in this way facilitate the installation of the air apparatus conditioned.

According to an eleventh aspect of this invention, a replacement gas that has a coefficient of global warming less than the refrigerant used in a cycle of cooling of an air conditioner is used in the replacement gas cargo container of the tenth aspect of the invention. The present aspect of the invention is advantageous. regarding the global environment compared to the case in the which refrigerant that has been charged is purged and the refrigerant is discharged into the atmosphere.

According to the procedure to install a device air conditioning of a twelfth aspect of the present invention, the air conditioner is installed using the replacement gas cargo container of the ninth aspect of the invention. According to the present aspect it is unnecessary to operate the vacuum pump as in the prior art, and even when use the replacement gas, it is unnecessary to use a cylinder Large scale with a valve, it will be possible to use a container disposable type without valve and thereby facilitate installation of the air conditioner.

According to a procedure to install a device air conditioner of a thirteenth aspect, the apparatus of air conditioning is installed using in the container replacement gas collection of the ninth aspect. According to him present aspect of the invention it is unnecessary to operate the pump vacuum as in the prior art, and even when used replacement gas, it is unnecessary to use a large cylinder scale with a valve, it will be possible to use a container of the type disposable without valve and thus facilitate the installation of air conditioner.

According to a gas collection vessel of replacement to install an air conditioner fourteenth aspect of the present invention, a container of replacement gas charge or gas collection container replacement includes a connection mouth provided with a part of connection capable of being connected to the refrigerant charge port of a pipe connection valve body arranged in a outdoor unit, and when connecting the connection mouth and the mouth of refrigerant charge through the connection part, the connection port It is open and the coolant charge port is open. According to him present aspect of the invention, it will be possible to open the mouth of refrigerant charge and replacement gas charging container or the replacement gas collection vessel simply connecting the replacement gas charging container or the replacement gas collection vessel to the cargo port of refrigerant. Therefore it will be possible to flow and recover the replacement gas through the refrigerant charge port. From this form, according to the present aspect of the invention, results unnecessary to operate the vacuum pump as in the prior art, and even when replacement gas is used, it is unnecessary use a large-scale cylinder with a valve, it will be possible to use a replacement gas collection vessel of the type disposable without valve and thus facilitate the installation of air conditioner. According to a procedure to install an air conditioner of a fifteenth aspect of the present invention, the air conditioner is installed using the installation device for an air device conditioning of the fourteenth aspect of the invention. According to this aspect of the invention, it is unnecessary to operate the pump vacuum as in the prior art, and even when using the replacement gas, it is unnecessary to use a large cylinder scale with a valve, it will be possible to use a container of replacement gas collection of the disposable type without valve and in this way facilitate the installation of the air apparatus conditioned.

Brief description of the drawings

Figure 1 is a block diagram of a cycle cooling system for an air conditioner used in a embodiment of the present invention to which a container Replacement gas charge is connected.

Figure 2 is a block diagram of a cycle cooling system for an air conditioner used in a embodiment of the present invention to which a container Replacement gas collection is connected.

Figure 3 is a schematic view of a replacement gas container connection device according to the form of the invention.

Figure 4 is a schematic view of a gas collection vessel connection device replacement according to the form of the invention.

And Figure 5 is a schematic view of a replacement gas charging vessel and a three-valve Gas side guides according to another form of the invention.

Description of preferred embodiments

Embodiments of the present invention are explain by referring to the attached drawings.

Figures 1 and 2 are block diagrams of the refrigeration cycle used in the embodiment. Figure 1 shows the refrigeration cycle at which a cargo container of replacement gas is connected; and Figure 2 shows the cycle of refrigeration to which a gas collection vessel of Replacement is connected.

First, the entire structure of the cycle of cooling that constitutes the air conditioner will be explained using Figures 1 and 2.

The refrigeration cycle comprises a compressor 1, a four-way valve 2, a heat exchanger 3 of the outdoor unit, an expansion device 4, a dryer 5 and a heat exchanger 6 of the outdoor unit. The compressor 1, the four-way valve 2, the heat exchanger 3 of the unit outside, the expansion device 4 and the dryer 5 are arranged in an outdoor unit A and heat exchanger 6 of the indoor unit is arranged in the indoor unit B.

The outdoor unit A is provided with a two-way valve 7 on the liquid side and a three-way valve 8 Gas side tracks. The outdoor unit A and the indoor unit B they are connected to each other through connecting pipes 9 and 10 using the two way valve 7 on the liquid side and valve 8 three-way gas side. The two-way valve 7 on the side of the liquid is provided with a screw part 7a and a tube in the side of the outdoor unit A and a connection tube 29 are placed in mutual communication by opening the screw part 7a. The Three-way valve 8 on the gas side is provided with a part screw 8a and a coolant charge port 8b, and a tube on the side of the outdoor unit A and a connection tube 10 are placed in mutual contact by opening this screw part 8a.

In the form shown in Figure 1, a replacement gas charging container 20 may be connected to mouth 8b refrigerant charging using the device connection 30, and in the form shown in Figure 2, a container 40 replacement gas collection may be connected to the mouth 8b refrigerant charge using a connection device fifty.

Said replacement gas charging container 20 or the replacement gas collection container 40 may be connected to the connection tube 10 by connecting the container to connection device 30 or 50, respectively.

A replacement gas comprising a class or a plurality of kinds of gas mixtures that is inserted towards the refrigerant in the refrigeration cycle and that is in state of gas at room temperature and at atmospheric pressure is charged inside the replacement gas charging container 20. Plus specifically, it is considered preferred that the replacement gas have a global warming coefficient lower than that of refrigerant. For example when R410A is used as a refrigerant the Global warming coefficient (GWP) is 1730, it is preferred that the replacement gas has a global warming coefficient less than this value and that the replacement gas is inert in Direction to the refrigeration cycle. Examples of replacement gas they are carbon dioxide (GWP = 1), propane (GWP less than 3), butane (GWP less than 3) and the like.

On the other hand, a material that absorbs gas from replacement is loaded in the gas collection container 40 replacement. More specifically, when carbon dioxide is charged as the replacement gas, a zeolite, an epoxy compound, calcium hydroxide and the like may be used as the material It absorbs replacement gas. Among the above, the zeolite is  considered preferred since the absorption rate is high. The zeolite with a pore diameter of 1.0 nm is more appropriate given that the absorption rate of carbon dioxide is high. Though any form of zeolite can be used, the spherical form is considered preferred since zeolite with such form is less prone to be crushed.

Then a connection device of the replacement gas cargo container will be explained with reference to Figure 3.

Figure 3 is a schematic view of the connecting device of the gas cargo container replacement according to an embodiment of the invention.

The connection device 30 is provided in its end with a connecting part 31 that is hooked by thread with a male screw 81 of the coolant charge port 8b, and the other end with a connection part 32 that is hooked by thread with a male screw 21 formed in an opening of the replacement gas charging container 20. One female screw 33 it is formed on an inner peripheral surface of the part of connection 31 and a female screw 34 is formed on a surface internal peripheral of the connection part 32. A rod 35 of the valve and a seal member 36 comprising an o-ring or similar are provided in connection part 31. Rod 35 valve presses against a valve core 82 in the mouth 8b of refrigerant charge, and has sufficient length to push the valve core 82. A chamber 37 is formed in the part of connection 32, so that a hole can be formed in the opening of the replacement gas charging container 20. Is considered preferred than outer diameters or inner diameters of the connection part 31 and the connection part 32 are different, so that the mouth 8b of refrigerant charge and the replacement gas charging container 20 are not connected to wrong way. At this time, it is unnecessary for the screw to the coolant charge port 8b and the screw for the gas container charging device replacement connection 30 are on the same axes. If said screws they exist in two axes that intersect substantially forming right angle, in the form shown in Figure 3, flexibility of placing in the workplace to connect the container 20 of replacement gas charge is greatly enhanced so that it is easier to remove the air present in the air conditioner by replacement gas.

It is considered preferred that the connection part 31 that connects with the mouth 8b refrigerant charge be a screw type connection, since the quality of hermetic is ensured. In order to further enhance the quality of airtight, considers it preferred to provide a rubber tip member 36 Like the O-ring In this case, the female screw 31 is hooked by thread with male screw 81 of mouth 8b of refrigerant charge. At that time, it is considered preferred that the seal member 36 presses against the male screw 81 before the valve rod 35 pushes the core 82 of the valve in the mouth 8b of refrigerant charge, closing of said tightly forms the space between screws 81 and 33. This is because the air is less likely to remain in the cycle of refrigeration. Affordably, when screws 81 and 33 are removed, it is considered preferred that seal member 36 be separated from the male screw 81 of the loading nozzle 8b of coolant once the valve rod 35 and the core 82 of the valve are separated from each other. At this point, it is considered additionally preferred that the connecting parts 31 and 32 are rotatably mounted on external peripheral surfaces of connection parts 38 and 39 since it is unnecessary to rotate the connection parts 31 and 32 together with the device connection 30.

Coolant charge mouth 8b opens pushing the core 82 of the valve. And, the valve core 82 it is pressed into the seat 84 by a resilient body 82 which is connected to the resilient body 83 by means of a part connection 85.

A vessel connection device Replacement gas collection will be explained with reference to the Figure 4

Figure 4 is a schematic view of the gas collection vessel connection device replacement according to an embodiment of the invention.

The connection device 50 is provided in its end with a connection part 51 that is threaded with a male screw 81 of the mouth 8b of refrigerant charge, and the other end with a connection part 52 that is hooked by thread with a male screw 41 formed in an opening of the 40 replacement gas collection container. A female screw 53 is formed on an inner peripheral surface of the part of connection 51 and a female screw 54 is formed on a surface internal peripheral of the connection part 52. A rod 55 of the valve and seal member 56 are provided in the part of connection 51. The valve rod 55 presses against a core 82 valve in the mouth 8b refrigerant charge, and has a sufficient length to push the valve core 82. A chamber 57 is formed in the connection part 52, so that a hole may be formed in the opening of the collection container 40 of replacement gas. It is considered preferred that the diameters outer or inner diameters of connection part 51 and the connection part 52 is different, so that the mouth 8b of refrigerant charge and gas collection container 40 replacement not connected incorrectly.

In this case too, it is considered preferred that the connection part 51 that connects the loading mouth 8b of coolant be a screw type joint because the sealing capacity. In order to additionally potential the sealing capacity, it is considered preferred to provide a rubber seal member 56, such as an o-ring. In In this case, the female screw 53 is threaded with the male screw 81 of the mouth 8b of refrigerant charge. In said moment it is considered preferred that the board member 56 be supported against male screw 81 before valve stem 55 push the valve core 82 into the loading mouth 8b of refrigerant, closing the space tightly between screws 81 and 33. This is because the air is less prone to remain in the refrigeration cycle. So affordable, when screws 81 and 53 are removed, it is considered it is preferred that the seal member 56 be separated from the screw male 81 of the mouth 8b refrigerant charge once the valve rod 55 and valve core 82 are separated from each other. At this point it is also considered preferred that the connecting parts 51 and 52 are rotatably mounted on the outer peripheral surfaces of the connecting parts 58 and 59 since, in this way, it is considered unnecessary to rotate the connection parts 51 and 52 together with the device connection 50.

In the above embodiments, the connection device shown in Figure 3 was explained as the connection device 30 for connecting the cargo container 20 of replacement gas and the connection device shown in the Figure 4 was explained as the connection device 50 for connecting the replacement gas collection container 40. But nevertheless, The connection device shown in Figure 3 can be used as the connection device 50 for connecting the container 40 of replacement gas collection, and connection device shown in Figure 4 may be used as the device for connection 30 to connect the gas charging container 20 of replacement. Therefore, although the connection device 30 and the connection device 50 were explained as different members, the male screw 23 of the replacement gas charging container 20 and the male screw 41 of the gas collection vessel 40 of replacement are formed in the same way, the device connection 30 and connector 50 may be a common device. In addition, the refrigerant may be charged and collected using the connection device 30 and 50.

The connection device 30, the screw in the side of the mouth 8b refrigerant charge and the screw on the side of the replacement gas collection container 40 are formed on two axes that intersect substantially forming angles straight. The connection device 50 may have the same structure.

A replacement gas cargo container according to Another embodiment will be explained with reference to Figure 5 in what follows.

Figure 5 is a schematic view of the replacement gas charging device and three-way valve on the gas side according to the embodiment.

A replacement gas comprises a class or a plurality of kinds of gas mixtures that is inert to refrigerant in the refrigeration cycle and in the gas state at room temperature and at atmospheric pressure being charged inside  of container 20A. The container 20A is provided with a mouth of connection that has a connection part 21A. And, container 20A Replacement gas charge may be connected to mouth 8B by the connection part 21A. Although the internal structure of the part Connection 21A is not shown in Figure 5, the connection part 21 may be constructed so that a valve core is normally closed by a resilient body is opened by an external thrust pressure as the lower structure of the mouth  8b refrigerant charge. If the valve core is arranged in the connection part 21A in addition, the valve core on the side of the mouth 8b refrigerant charge and the valve core in the side of the connecting part 21A they push against each other and the respective connection ports can be opened.

Although the replacement gas cargo container explained in Figure 5, the gas collection vessel of Replacement may have the same structure.

Next, the procedure of installation of the air conditioner described previously.

Before installing the air apparatus conditioned, the refrigerant gas is charged inside the tubes in the outer side A, such as compressor 1 and the heat exchanger 3 of the outdoor unit. At the same time, the refrigerant gas that is necessary to drive is charged within the outdoor unit A. On the other hand, the pipes on the side of the indoor unit B, such as heat exchanger 6 of the indoor unit as well as the connecting pipes 9 and 10 that do not They are sealed open to the atmosphere.

First, the outdoor unit A and the unit interior B are connected through connection tubes 9 and 10. In said moment, the two way valve 7 of the liquid side and the connection tube 9 are not tightly connected to each other, but they are connected tightly so that the gas may leak slightly. The screw 7a of the valve 7 of two liquid side paths and screw 8 of valve 8 of three Gas side tracks are closed.

Next, the connection device 30 is Mounts 8b three-valve refrigerant charge to mouth Gas side tracks. When the connection device 30 is mounted to the mouth 8b refrigerant charge, the core 82 of the valve in the mouth 8b refrigerant charge is pushed by the valve rod 35 in the connection device 30, so that opens the mouth 8b of refrigerant charge. Then, mounting the replacement gas charging container 20 to connection device 30, the opening of the cargo container 20 replacement gas is opened by chamber 37 of the device connection 30. As a result, the carbon dioxide in the container 20 replacement gas charge is inserted into the tube connection 10 and the indoor unit B of the loading mouth 8b of refrigerant through connection device 30 and introduced inside the connection tube 9. By means of carbon dioxide introduced, the air in the connection pipes 9 and 10 as well as in the indoor unit B is discharged into the atmosphere together with the carbon dioxide introduced from the loosened part of the part flare of the two-way valve 7 on the liquid side.

At that time, confirming that the gas is being leaking from a space between the two-way valve 7 on the side of the liquid and connection tube 9 and that a certain amount of gas has been discharged, then, the connecting part between the two-way valve 7 on the liquid side and connection tube 9 It is tightly closed. The default amount of gas downloaded can be measured using a flow meter, but if the amount of gas in the replacement gas charging container 20 is slightly greater than the volume in the tube of the indoor unit B and the connection tubes 9 and 10, so that an air apparatus conditioning can be installed using a cargo container 20 replacement gas, the connection part between valve 7 of two liquid side paths and connection tube 9 may be closed tightly when the sound of the leaking gas becomes small without using the flow meter.

Next, the connection device 30 is disengages from the mouth 8b refrigerant charge in a state in which the two-way container 20 of the liquid side is left mounted on the connection device 30.

In the case in which the inert gas is not removed from the air conditioner, the screw 7a of the two-way valve 7 of the liquid side and screw 8a of the 8-way valve on the gas side is opened in this state and the refrigerant in the outdoor unit A is allowed to flow inside of the indoor unit B.

In the case in which the inert gas introduced is removed, the screw 7a on the two-way valve 7 on the side of the liquid and screw 8a on the three-way valve 8 on the side of the gas are not open this time and the procedure continues until the inert gas absorption stage shown in Figure 2.

The inert gas absorption stage is achieved by connecting the replacement gas collection container 40 to the mouth 8b refrigerant charge.

A procedure to do the above is connect the connection device 50 to the container 40 of replacement gas collection through its threaded connection male screw 41 of gas collection container 40 replacement with female screw 54 of connection device 50. In this state, the replacement gas collection container 40 it is opened by the chamber 57 of the connection device 50.

Next, confirming that a hole is formed at a pointed end of the collection container 40 replacement gas, the other end of the connection device 50 is connected to the mouth 8b of refrigerant charge. When hooked by thread the connection device 50 with the loading mouth 8b of coolant, the rod 55 of the valve of the device connection 50 pushes the valve core 82 into the mouth 8b of refrigerant charge. Then the container 40 of replacement gas collection and mouth 8b charging refrigerant are put in mutual communication and the dioxide of carbon in the connection tubes 9 and 10, as well as the tubes in the indoor unit B is introduced from the mouth 8b loading of refrigerant inside the gas collection container 40 of replacement. When connecting the connection device first 50 and the replacement gas collection container 40 of this shape, it will be possible to prevent the air in the atmosphere from mixing inside the replacement gas by the replacement gas flowing from mouth 8b refrigerant charge.

Another procedure is to connect the other end of the connection device 50 to the loading mouth 8b of refrigerant and then connect the container 40 of collection of replacement gas to connection device 50. Al connect the connection device 50 to the mouth 8b first refrigerant charge in this way, the air in the device connection 50 may be pushed and removed by the gas from replacement.

The carbon dioxide introduced is physically absorbed and collected by zeolite in container 40 of replacement gas collection.

Next, the connection device 50 is disconnects from the mouth 8b refrigerant charge and the screw Valve 7 is fully open. The connection device 50 is disconnected from the mouth 8b of refrigerant charge in a state in which the gas collection container 40 of replacement is still connected to connection device 50.

Finally, the screw 8a of the valve 8 it is also fully open and the operation of installation of the air conditioner.

The air in the refrigeration cycle may be removed carrying out the installation according to the described stage previously. In addition, the wasted space between the exit of the replacement gas container 20 or the outlet of the replacement gas collection container 40 and mouth 8b of refrigerant charge can be reduced using the device connection 30 and 50 of the embodiments above mentioned, whereby the harmful air will not be mixed absolutely; the air in the refrigeration cycle may be removed without using a vacuum pump; and it will be possible to prevent deteriorate the refrigeration cycle.

Although the installation procedure of the outdoor unit with a normal two-way valve and a valve three-way was explained in the embodiments above mentioned, the present invention may also be applied to a outdoor unit with a three way valve and another three valve tracks. In addition, the present invention should not be limited to the two-way valve and to the three-way valve, but the invention may also be applied to an air apparatus conditioning that has a valve that includes a loading mouth of the refrigerant.

In the manner described above, according to the present invention, the refrigerant charge port may be opened simply by connecting the connection device to the mouth of refrigerant charge and replacement gas charging container it can be opened simply by connecting the cargo container replacement gas to the connection device. Therefore the gas replacement in the replacement gas cargo container may afford to flow from the refrigerant charge port simply connecting the connection device to the loading mouth of refrigerant and connecting the gas charging container of replacement to the connection device. Therefore, the operation to introduce the replacement gas into the cargo container of replacement gas inside the air conditioner may be carried out simply by connecting the connection device. Therefore it is unnecessary to operate the vacuum pump as in prior art and even when replacement gas is used it is unnecessary to use a large-scale cylinder equipped with a valve, it will be possible to use a replacement gas container of disposable type that does not have a valve and in this way the installation operation of the air conditioner may be greatly facilitated.

In addition, according to the present invention, the mouth of refrigerant charge can be opened simply by connecting the connection device to the refrigerant charge port and the replacement gas collection container may be opened simply by connecting the gas collection vessel of replacement to the connection device. Therefore, the gas of replacement may be collected through the loading mouth of refrigerant inside the gas collection vessel of replacement simply by connecting the collection container replacement gas to the connection device and connecting the connection device to the replacement gas charging port. By therefore, the operation of collecting the replacement gas from the air conditioner inside the container may be carried out simply by connecting the connection device. For the therefore, it is unnecessary to operate the vacuum pump as in the prior art and even when replacement gas is used it is unnecessary to use a large-scale cylinder equipped with a valve, and it will be possible to use a disposable type container that does not  have a valve and in this way an installation operation of the air conditioner can be greatly facilitated way.

In addition, according to the present invention the mouth of refrigerant charge can be opened simply by connecting the connection device to the refrigerant charge port and the replacement gas charging container or container replacement gas collection may be opened simply connecting the replacement gas charging container or the replacement gas collection vessel to the device Connection. Therefore, since the gas loading container of replacement and replacement gas collection container may be used, the air replacement operation in the device air conditioning using the replacement gas as well as the replacement gas collection operation may be carried out using the present connection device.

In addition, according to the present invention, the mouth of connection of the connection device and the loading port of refrigerant can be connected without mixing the air in the atmosphere.

In addition, according to the present invention, since the connection device can be screwed without rotating its own connection device, the operating capacity of the Installation is excellent.

Furthermore, according to the present invention, the loading device may be formed of the disposable type without have an inlet-outlet valve and the Replacement gas charge may be of a reduced size.

Furthermore, according to the present invention, the collection device may be formed of the disposable type without have an inlet-outlet valve and the Replacement gas charge may be of a reduced size.

In addition, the present invention has the advantage of respect the global environment compared to the case in the which refrigerant that has been charged is purged and the refrigerant is discharged into the atmosphere.

Claims (7)

1. A procedure for installing a device of air conditioning comprising the stage of allowing gas replacement in the replacement gas container (20) flow from a coolant charging mouth (8b) of a body of connection valve of a tube supplied in an outdoor unit (A) of the air conditioner and then the stage of collecting said replacement gas into a container (40) of collection of replacement gas from said mouth (8b) loading refrigerant, characterized by: use a connection device (30, 50) that comprises: a first connection mouth that can be connected to said coolant charging mouth (8b) and a second mouth of connection that can be connected to a cargo container (20) of the replacement gas or a gas collection container (40) from replacement to install the air conditioner, wherein said first mouth includes a first connection part (31) capable of being connected to said mouth (8b) of refrigerant charge, including said second connection port a second connection part (32) capable of being connected to said container (20) for charging the replacement gas or to said container (40) replacement gas collection, wherein said mouth (8b) loading refrigerant opens when connecting said first connection mouth and said coolant charge port with each other by said first connection part (31) and said gas container (20) for charging gas replacement or said gas collection container (40) of replacement opens when connecting said second connection mouth and said replacement gas charge container (20) or said replacement gas collection container (40) with each other by said second connection part (32). 2. A procedure for installing a device of air conditioning according to claim 1, wherein said first connection part (31) includes a board member (36) and a valve rod (35) and when said first connection mouth and said coolant charge mouth (8b) are connected to each other  by said first connection part (31) once said first connection mouth and said refrigerant charge mouth (8b) are tightly closed by said board member (36), said valve rod (35) pushes to open a core (82) of valve in said mouth (8b) of refrigerant charge. 3. A procedure for installing a device of air conditioning according to claim 1 or 2, wherein screw (33) is formed in an inner peripheral surface of said first connection part (31) and said first part of connection (31) is provided rotatably around a outer periphery of said connection mouth. 4. A procedure for installing a device of air conditioning according to claim 3, wherein said first connection part (31) includes a board member (36) that is located deeper than said screw (33), and then a end of said mouth (8b) of refrigerant charge rests against said seal member (36), said valve core (82) in said mouth (8b) of refrigerant charge is pushed until it opens. 5. A procedure for installing a device of air conditioning according to claim 1, wherein one or more types of replacement gas, which is in a state of gas at temperature ambient and at atmospheric pressure and which is inert with respect to refrigerant used in a refrigeration cycle of the air apparatus conditioned, it is loaded into said container (20) for loading the gas of replacement. 6. A procedure for installing a device of air conditioning according to claim 1, wherein a material that absorbs one or more types of replacement gas, which is in a state of gas at room temperature and atmospheric pressure and that it is inert with respect to the refrigerant used in a cycle of cooling of the air conditioner, is contained in said container (40) of the replacement gas. 7. A procedure for installing a device of air conditioning according to claim 5, wherein said gas replacement has a global warming coefficient lower than that of the refrigerant used in said refrigeration cycle of said air conditioner.