CN111780223B - Air conditioner and assembling method for air conditioner - Google Patents
Air conditioner and assembling method for air conditioner Download PDFInfo
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- CN111780223B CN111780223B CN202010618622.6A CN202010618622A CN111780223B CN 111780223 B CN111780223 B CN 111780223B CN 202010618622 A CN202010618622 A CN 202010618622A CN 111780223 B CN111780223 B CN 111780223B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims abstract description 209
- 230000008878 coupling Effects 0.000 claims description 47
- 238000010168 coupling process Methods 0.000 claims description 47
- 238000005859 coupling reaction Methods 0.000 claims description 47
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 60
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The application relates to the technical field of refrigeration equipment and discloses an air conditioner. The air conditioner comprises an outdoor unit, a first connecting pipe, an indoor unit and a refrigerant flow path formed by communicating a second connecting pipe, wherein a first vacuumizing port is arranged on the indoor side of the first connecting pipe and/or the indoor unit and communicated with the refrigerant flow path, and the first vacuumizing port is used for communicating a vacuumizing device so as to vacuumize the first connecting pipe and the indoor unit. And connecting the vacuumizing device to the first vacuumizing port, and vacuumizing the first connecting pipe and the indoor unit through the first vacuumizing port to normally install the air conditioner. The first vacuumizing port is positioned at the indoor side of the first connecting pipe and/or the indoor unit, in other words, the first vacuumizing port is positioned indoors, so that vacuumizing at the outdoor side is avoided, and the safety of vacuumizing operation is improved. The application also discloses an assembling method for the air conditioner.
Description
Technical Field
The present disclosure relates to the field of refrigeration equipment, and more particularly, to an air conditioner and an assembling method for the air conditioner.
Background
Currently, air conditioners on the market, such as inverter air conditioners, must be evacuated before installation. The evacuation is carried out outside the chamber, and the risk factor is high.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides an air conditioner and an assembling method for the air conditioner, which aim to solve the problem that the existing air conditioner is high in risk coefficient in vacuumizing operation.
According to a first aspect of the embodiments of the present invention, an air conditioner is provided, where the air conditioner includes a refrigerant flow path formed by communicating an outdoor unit, a first linkage pipe, an indoor unit, and a second linkage pipe, a first vacuum port is provided on an indoor side of the first linkage pipe and/or on the indoor unit, the first vacuum port is communicated with the refrigerant flow path, and the first vacuum port is used to communicate a vacuum pumping device to vacuum the first linkage pipe and the indoor unit.
According to a second aspect of embodiments of the present invention, there is provided an assembling method for an air conditioner as set forth in any one of the above embodiments, comprising: and communicating the vacuumizing device with the first vacuumizing port to vacuumize the first connecting pipe and the indoor unit.
The air conditioner and the assembling method for the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
and connecting the vacuumizing device to the first vacuumizing port, and vacuumizing the first connecting pipe and the indoor unit through the first vacuumizing port to normally install the air conditioner. The first vacuumizing port is positioned at the indoor side of the first connecting pipe and/or the indoor unit, in other words, the first vacuumizing port is positioned indoors, so that vacuumizing at the outdoor side is avoided, and the safety of vacuumizing operation is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic structural diagram of an air conditioner provided in an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a wrench-type control valve provided by the embodiment of the disclosure;
FIG. 3 is a schematic flow chart diagram of an assembly method provided by embodiments of the present disclosure;
FIG. 4 is a schematic flow chart diagram of another assembly method provided by embodiments of the present disclosure;
fig. 5 is a schematic flow chart of another assembly method provided by the embodiments of the present disclosure.
Reference numerals:
10 indoor units, 101 third refrigerant inlets and outlets, 102 fourth refrigerant inlets and outlets, 104 first pipelines, 105 second pipelines, 20 outdoor units, 201 first refrigerant inlets and outlets, 202 second refrigerant inlets and outlets, 30 first coupling pipes, 40 second coupling pipes, 50 wrench type control valves, 501 knife gates, 502 valve bodies, 60 refrigerant filling devices, 70 first vacuumizing ports, 80 second vacuumizing ports and 90 third control devices.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.
The term "plurality" means two or more unless otherwise specified.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
Referring to fig. 1, an embodiment of the present disclosure provides an air conditioner, which may be a wall-mounted air conditioner or a cabinet air conditioner (cabinet air conditioner).
The air conditioner includes a refrigerant passage formed by communicating an outdoor unit 20, a first coupling pipe 30, an indoor unit 10, and a second coupling pipe 40. The indoor unit 10 includes an indoor heat exchanger, and the indoor heat exchanger is provided with a first inlet and a second inlet, the first inlet and the second inlet being connected to one end of a first pipeline 104, the second inlet and the second outlet being connected to one end of a second pipeline 105, and the other end of the first pipeline 104 forming a third refrigerant inlet and outlet 101.
The other end of the second pipe line 105 forms a fourth refrigerant inlet/outlet 102, the third refrigerant inlet/outlet 101 and the fourth refrigerant inlet/outlet 102 are provided in the indoor unit 10 and both communicate with the indoor heat exchanger 103, and the refrigerant flows into the indoor heat exchanger 103 from the third refrigerant inlet/outlet 101 and flows out of the indoor heat exchanger 103 from the fourth refrigerant inlet/outlet 102, or the refrigerant flows into the indoor heat exchanger 103 from the fourth refrigerant inlet/outlet 102 and flows out of the indoor heat exchanger 103 from the third refrigerant inlet/outlet 101. The refrigerant pipe in the indoor unit defines a refrigerant flow path in the indoor unit, namely defines a part of the refrigerant flow path in the indoor unit, wherein the refrigerant flow path in the indoor unit comprises a heat exchange pipe of an indoor heat exchanger, a first pipeline and a second pipeline.
The outdoor unit 20 includes an outdoor heat exchanger, and a first refrigerant inlet/outlet 201 and a second refrigerant inlet/outlet 202 are provided in the outdoor unit 20 and are both communicated with the outdoor heat exchanger, and the refrigerant flows into the outdoor heat exchanger through the first refrigerant inlet/outlet 201 and flows out of the outdoor heat exchanger through the second refrigerant inlet/outlet 202, or the refrigerant flows into the outdoor heat exchanger through the second refrigerant inlet/outlet 202 and flows out of the outdoor heat exchanger through the first refrigerant inlet/outlet 201. As shown in fig. 1, when the air conditioner is operated, a refrigerant flows along a refrigerant flow path and sequentially flows through the outdoor unit 20, the first joint pipe 30, the indoor unit 10, and the second joint pipe 40, or sequentially flows through the outdoor unit 20, the second joint pipe 40, the indoor unit 10, and the first joint pipe 30.
As shown in fig. 1, a first vacuum-pumping port 70 is disposed on an indoor side of the first connecting pipe 30 and/or the indoor unit 10, the first vacuum-pumping port 70 is communicated with a refrigerant flow path, and the first vacuum-pumping port 70 is used for communicating a vacuum-pumping device to vacuum the first connecting pipe 30 and the indoor unit 10, wherein the vacuum-pumping of the indoor unit 10 in this application refers to vacuum-pumping of the refrigerant flow path in the indoor unit 10, and the refrigerant flow path in the indoor unit 10 is also a portion of the refrigerant flow path in the indoor unit 10.
The first vacuum port 70 is disposed at an indoor side of the first joint pipe 30, or the first vacuum port 70 is disposed at the indoor unit 10, or the first vacuum port 70 is disposed at a connection portion of the first joint pipe 30 and the indoor unit 10, or the first vacuum port 70 is disposed at both the indoor side of the first joint pipe 30 and the indoor unit 10. When the first vacuum outlet 70 is provided in the indoor unit 10, the first vacuum outlet 70 is provided in a refrigerant pipe of the indoor unit 10 so that the first vacuum outlet 70 communicates with a refrigerant flow path in the indoor unit 10.
The vacuum-pumping device is connected to the first vacuum-pumping port 70, and the vacuum-pumping device is communicated with both the refrigerant flow path in the first connecting pipe 30 (the portion of the refrigerant flow path in the first connecting pipe 30) and the refrigerant flow path in the indoor unit 10 (the portion of the refrigerant flow path in the indoor unit 10), so that the first connecting pipe 30 and the indoor unit 10 can be evacuated by the vacuum-pumping device at the indoor side, and the safety of the vacuum-pumping operation of the indoor unit 10 and the first connecting pipe 30 is improved.
Since the first linkage pipe 30, the indoor unit 10, and the second linkage pipe 40 constitute a part of the refrigerant flow path, the first linkage pipe 30, the indoor unit 10, and the second linkage pipe 40 are communicated with each other, and thus the first evacuation port 70 can evacuate the first linkage pipe 30 and the indoor unit 10 and also evacuate the second linkage pipe 40.
Optionally, the air conditioner further includes a first control device disposed at the first vacuum port 70 and configured to control opening and closing of the first vacuum port 70.
When the first pipe 30 and the indoor unit 10 need to be vacuumized, the first vacuum port 70 is opened by the first control device, so that the vacuum-pumping device is communicated with both the first pipe 30 and the indoor unit 10, and the first pipe 30 and the indoor unit 10 are vacuumized.
When the first connecting pipe 30 and the indoor unit 10 are vacuumized, the first vacuuming port 70 is closed by the first control device, so that the external air is prevented from entering the first connecting pipe 30 and the indoor unit 10 from the first vacuuming port 70.
The first control device can be a control switch which can be a valve core, or a one-way valve or a control valve, wherein the conduction direction of the one-way valve is from the refrigerant flow path to the outside, so that air in the refrigerant flow path can be discharged to the outside through the one-way valve under the action of the vacuumizing device, and the outside air cannot enter the refrigerant flow path through the one-way valve; the control valve comprises three interfaces which are named as a first interface, a second interface and a third interface respectively, wherein the first interface belongs to one end, close to the third refrigerant inlet and outlet 101, of the first online pipe 30, the second interface is arranged at the third refrigerant outlet, the first interface and the second interface are used for realizing connection of the first online pipe 30 and the indoor unit 10, the third interface forms a first vacuumizing port 70, the first interface can be communicated with the second interface to realize refrigerant flowing between the indoor unit 10 and the first online pipe 30, the third interface can be communicated with the first interface and the second interface, and the vacuumizing device is arranged at the third interface to realize vacuumizing of the first online pipe 30 and the indoor unit 10.
Alternatively, the first vacuuming port 70 is located at the indoor side of the first linkage pipe 30 and/or at the end of the indoor unit 10 near the first linkage pipe 30, in other words, when the first vacuuming port 70 is disposed at the indoor unit 10, the distance from the first vacuuming port 70 to the first linkage pipe 30 is smaller than the distance from the second linkage pipe 40, for example, the first vacuuming port 70 is disposed at the first pipe 104.
Optionally, as shown in fig. 1, a second vacuum outlet 80 is disposed at an indoor side of the second coupling pipe 40 and/or an end of the indoor unit 10 close to the second coupling pipe 40, the second vacuum outlet 80 is communicated with the refrigerant flow path, and the second vacuum outlet 80 is used for communicating a vacuum device to vacuum the second coupling pipe 40 and the indoor unit 10.
The second vacuum outlet 80 is disposed at the indoor side of the second joint pipe 40, or the second vacuum outlet 80 is disposed at the indoor unit 10, or the second vacuum outlet 80 is disposed at the connection point of the second joint pipe 40 and the indoor unit 10, or the second vacuum outlet 80 is disposed at both the indoor side of the second joint pipe 40 and the indoor unit 10. When the second vacuum outlet 80 is provided in the indoor unit 10, the second vacuum outlet 80 is provided in a refrigerant pipe of the indoor unit 10 so that the second vacuum outlet 80 communicates with a refrigerant flow path in the indoor unit 10.
The second vacuum-pumping port 80 is connected to a vacuum-pumping device, and the vacuum-pumping device is communicated with both the refrigerant flow path in the second coupling pipe 40 (the portion of the refrigerant flow path in the second coupling pipe 40) and the refrigerant flow path in the indoor unit 10 (the portion of the refrigerant flow path in the indoor unit 10), so that the second coupling pipe 40 and the indoor unit 10 can be evacuated by the vacuum-pumping device at the indoor side, and the safety of the vacuum-pumping operation performed on the indoor unit 10 and the second coupling pipe 40 is improved.
A second vacuum-pumping port 80 is arranged on the indoor side of the second coupling pipe 40 and/or the indoor unit 10, the second vacuum-pumping port 80 is communicated with the refrigerant flow path, and the second vacuum-pumping port 80 is used for communicating a vacuum-pumping device to vacuum the second coupling pipe 40 and the indoor unit 10, wherein in this application, the vacuum-pumping of the indoor unit 10 refers to the vacuum-pumping of the refrigerant flow path in the indoor unit 10, and the refrigerant flow path in the indoor unit 10 is also the portion of the refrigerant flow path in the indoor unit 10. When the second vacuum outlet 80 is disposed in the indoor unit 10, the distance from the second vacuum outlet 80 to the second coupling pipe 40 is smaller than the distance from the first coupling pipe 30, for example, the second vacuum outlet 80 is disposed in the second pipe 105.
The number of the first vacuum ports 70 may be one or more, and the number of the second vacuum ports 80 may be one or more. By arranging the second vacuumizing port 80, the first connecting pipe 30 and the indoor unit 10 can be vacuumized through the first vacuumizing port 70, and the second connecting pipe 40 and the indoor unit 10 can be vacuumized through the second vacuumizing port 80, so that the efficiency of vacuumizing the air conditioner is improved.
Optionally, the air conditioner further includes a second control device disposed at the second vacuum port 80 and configured to control the opening and closing of the second vacuum port 80.
When the second coupling pipe 40 and the indoor unit 10 need to be vacuumized, the second vacuuming port 80 is opened through the second control device, so that the vacuuming device is communicated with both the second coupling pipe 40 and the indoor unit 10, and the second coupling pipe 40 and the indoor unit 10 are vacuumized.
When the second joint pipe 40 and the indoor unit 10 are vacuumized, the second vacuum port 80 is closed by the second control device, so that the external air is prevented from entering the second joint pipe 40 and the indoor unit 10 from the second vacuum port 80.
The second control device can be a control switch which can be a valve core, or a one-way valve or a control valve, wherein the conduction direction of the one-way valve is from the refrigerant flow path to the outside, so that air in the refrigerant flow path can be discharged to the outside through the one-way valve under the action of the vacuumizing device, and the outside air cannot enter the refrigerant flow path through the one-way valve; the control valve comprises three interfaces which are named as a first interface, a second interface and a third interface respectively, wherein the first interface belongs to one end, close to a third refrigerant inlet and outlet 101, of the second joint pipe 40, the second interface is arranged at the third refrigerant outlet, the first interface and the second interface are used for realizing the connection of the second joint pipe 40 and the indoor unit 10, the third interface forms a second vacuumizing port 80, the first interface can be communicated with the second interface to realize the refrigerant flowing between the indoor unit 10 and the second joint pipe 40, the third interface can be communicated with the first interface and the second interface, and the vacuumizing device is arranged at the third interface to realize the vacuumizing of the second joint pipe 40 and the indoor unit 10.
Optionally, as shown in fig. 1, the air conditioner further includes a refrigerant filling device 60 and a third control device 90.
The refrigerant filling device 60 is disposed at one of the first refrigerant inlet/outlet 201 and the second refrigerant inlet/outlet 202 of the outdoor unit 20, and is configured to fill the refrigerant into the outdoor unit 20 and control on/off of one of the first refrigerant inlet/outlet 201 and the second refrigerant inlet/outlet 202.
The refrigerant filling device 60 can fill the refrigerant into the refrigerant flow path (the portion of the refrigerant flow path in the outdoor unit 20) in the outdoor unit 20, thereby removing the air in the refrigerant flow path in the outdoor unit 20 and achieving the effect that the outdoor unit 20 does not need to be vacuumized.
The third control device 90 is disposed at the other of the first refrigerant inlet/outlet 201 and the second refrigerant inlet/outlet 202, and configured to control on/off of the other of the first refrigerant inlet/outlet 201 and the second refrigerant inlet/outlet 202.
Taking the refrigerant filling device 60 disposed at the first refrigerant inlet/outlet 201 and the third control device 90 disposed at the second refrigerant inlet/outlet 202 as an example, the refrigerant filling device 60 can fill the refrigerant into the first refrigerant inlet/outlet 201, so that the outdoor unit 20 does not need to be vacuumized, and the on/off of the first refrigerant inlet/outlet 201 can be controlled. When the first and second coupling pipes 30 and 40 and the indoor unit 10 are evacuated by the evacuation device, the first refrigerant inlet/outlet 201 is closed by the refrigerant filling device 60, thereby preventing the refrigerant in the outdoor unit 20 from flowing out. The third control device 90 controls the opening and closing of the second refrigerant inlet/outlet 202, and when the first and second coupling pipes 30 and 40 and the indoor unit 10 are vacuumized by the vacuumizer, the second refrigerant inlet/outlet 202 is closed by the third control device 90, thereby preventing the refrigerant in the outdoor unit 20 from flowing out.
In this application, the evacuation of the indoor unit 10 refers to evacuation of a refrigerant flow path in the indoor unit 10, and the filling of the refrigerant into the outdoor unit 20 refers to filling of the refrigerant into the refrigerant flow path in the outdoor unit 20.
Optionally, the refrigerant filling device 60 includes a first quick coupling, a first three-way valve, a first two-way valve, or a first check valve. The types of the refrigerant filling device 60 and the third control device 90 will be described below by taking the case where the refrigerant filling device 60 is provided at the first refrigerant inlet/outlet 201 and the third control device 90 is provided at the second refrigerant inlet/outlet 202.
When the refrigerant filling device 60 includes the first quick coupling, a male end of the first quick coupling is disposed at one of the first refrigerant inlet/outlet 201 of the outdoor unit 20 and the first in-line pipe 30, and a female end of the first quick coupling is disposed at the other one of the first refrigerant inlet/outlet 201 and the first in-line pipe 30.
The male head of the first quick connector is arranged at the first refrigerant inlet and outlet 201, the female head is arranged at the position, close to the first refrigerant inlet and outlet 201, of the first online pipe 30, when the male head and the female head of the first quick connector are connected, the first quick connector is conducted, and the first refrigerant inlet and outlet 201 and the first online pipe 30 are communicated through the first quick connector. Or, the female head of the first quick connector is arranged at the first refrigerant inlet/outlet 201, the male head is arranged at the position, close to the first refrigerant inlet/outlet 201, of the first online pipe 30, and when the male head and the female head of the first quick connector are connected, the first quick connector is conducted, and the first refrigerant inlet/outlet 201 and the first online pipe 30 are communicated through the first quick connector.
The first quick connector adopts a first quick connector with two closed ends, which means that when a male head and a female head of the first quick connector are not connected together, the first quick connector is disconnected, and the first refrigerant inlet/outlet 201 and the first connecting pipe 30 are not communicated; when the male and female connectors of the first quick connector are connected together, the first quick connector is turned on, and the first refrigerant inlet/outlet 201 and the first on-line pipe 30 are communicated through the first quick connector. As long as satisfy first quick-operation joint's public head and female first butt joint can realize that first quick-operation joint switches on, first quick-operation joint of first quick-operation joint disconnection when public head and female head do not dock all is in the protection range of this application.
Set up first quick-operation joint for first refrigerant access & exit 201 department can directly fill annotates the refrigerant, thereby need not carry out the evacuation to off-premises station 20, need carry out the drawback of evacuation to off-premises station 2010 before solving the installation of air conditioner among the prior art, thereby improve the installation effectiveness of air conditioner, improve the security of air conditioner installation, reduce installation cost. The first online pipe 3030 may be filled with a refrigerant through the first quick coupling, so that the first online pipe 30 does not need to be vacuumized.
When the refrigerant charging device 60 includes the first three-way valve, the first three-way valve has three ports, which are named as a first port, a second port, and a third port, the first port is connected to the first refrigerant inlet/outlet 201, the second port is connected to the first in-line pipe 30, and the third port is used as a maintenance port, when maintenance is needed, the refrigerant in the outdoor unit 20 or the first in-line pipe 30 is drawn out through the third port, and the refrigerant can be charged into the outdoor unit 20 through the third port, wherein the first port is selectively communicated with one of the second port and the third port, or the second port is selectively communicated with one of the first port and the third port. The refrigerant may be filled into the first refrigerant inlet/outlet 201 or the first integrated pipe 30 through the three ports. Optionally, the apparatus with ejector pins may be disposed at three ports, and the refrigerant filling of the outdoor unit 20 is performed by using the first three-way valve, so as to ensure the refrigerant filling of the outdoor unit 20.
When the refrigerant filling device 60 includes the first two-way valve, the first two-way valve has two interfaces, which are named as a first interface and a second interface, respectively, the first interface is connected to the first coupler 30, the second interface is connected to the outdoor unit 20, the device with the ejector pin can be disposed at the second interface, and the refrigerant filling of the outdoor unit 20 is performed through the first two-way valve, so that the refrigerant filling of the outdoor unit 20 is ensured.
When the refrigerant filling device 60 includes the first check valve, the conducting direction of the first check valve is the same as the flowing direction of the refrigerant in the refrigerant flow path. When the refrigerant filling device 60 includes a check valve, the air conditioner may be a single-cooling type air conditioner, and the refrigerant may be filled into the outdoor unit 20 through the first check valve.
In a specific embodiment, the refrigerant may also be filled into the outdoor unit 20 through the third control device 90, for example, the third control device 90 includes a second quick coupling, a second three-way valve, a second one-way valve or a second two-way valve, in other words, the third control device 90 is further configured to fill the refrigerant into the outdoor unit 20, so as to fill the refrigerant into the outdoor unit 20 and discharge the air in the outdoor unit 20, so that the outdoor unit 20 does not need to be vacuumized.
When the third control device 90 includes the second quick coupling, a male end of the second quick coupling is disposed at one of the second refrigerant inlet and outlet 202 of the outdoor unit 20 and the second coupling pipe 40, and a female end of the second quick coupling is disposed at the other of the second refrigerant inlet and outlet 202 and the second coupling pipe 40. The male head of the second quick connector is arranged at the second refrigerant inlet and outlet 202, the female head is arranged at the position, close to the second refrigerant inlet and outlet 202, of the second connector pipe 40, when the male head and the female head of the second quick connector are connected, the second quick connector is conducted, and the second refrigerant inlet and outlet 202 and the second connector pipe 40 are communicated through the second quick connector. Or the female head of the second quick connector is arranged at the second refrigerant inlet and outlet 202, the male head is arranged at the position, close to the second refrigerant inlet and outlet 202, of the second coupling pipe 40, when the male head and the female head of the second quick connector are connected, the second quick connector is conducted, and the second refrigerant inlet and outlet 202 and the second coupling pipe 40 are communicated through the second quick connector.
The second quick coupling adopts a two-end closed type second quick coupling.
The second quick coupling is provided, so that the second refrigerant inlet/outlet 202 can be directly filled with the refrigerant, and the refrigerant filled through the second refrigerant inlet/outlet 202 flows into the refrigerant flow path of the outdoor unit 20, thereby eliminating the need to vacuumize the outdoor unit 20. The second coupling line 40 may also be filled with refrigerant via a second quick connector such that no vacuum is required in the second coupling line 40.
When the third control device 90 includes the second three-way valve, the second three-way valve has three ports, which are named as a first port, a second port, and a third port, the first port is connected to the second refrigerant inlet/outlet 202, the second port is connected to the second coupler pipe 40, and the third port is used as a maintenance port, when maintenance is needed, the refrigerant in the outdoor unit 20 or the second coupler pipe 40 is extracted through the third port, and the refrigerant can be filled into the outdoor unit 20 through the third port, wherein the first port is selectively communicated with one of the second port and the third port, or the second port is selectively communicated with one of the first port and the third port. The second refrigerant inlet/outlet 202 or the second coupler pipe 40 may be filled with refrigerant through a triple joint. Optionally, the device with ejector pins may be disposed at the three ports, and the refrigerant filling is performed on the outdoor unit 20 through the second three-way valve, so as to ensure the refrigerant filling of the outdoor unit 20.
When the third control device 90 includes the second two-way valve, the second two-way valve has two ports, which are named as a first port and a second port, respectively, the first port is connected to the second coupler pipe 40, the second port is connected to the second refrigerant inlet/outlet 202, the device with the ejector pin can be disposed at the second port, and the refrigerant filling of the outdoor unit 20 is performed through the second two-way valve, so as to ensure the refrigerant filling of the outdoor unit 20.
When the third control device 90 includes the second check valve, the conduction direction of the second check valve is the same as the flow direction of the refrigerant in the refrigerant flow path. When the third refrigerant filling device 60 includes a check valve, the air conditioner may be a single-cooling type air conditioner, and the refrigerant may be filled into the second refrigerant inlet/outlet 202 of the outdoor unit 20 or the second coupling pipe 40 through the second check valve.
In another embodiment, the refrigerant cannot be charged into the outdoor unit 20 through the third control device 90. For example, the third control device 90 may be a wrench-type control valve.
As shown in fig. 2, the wrench-type control valve includes a valve body 502 and a knife blade 501 connected to the valve body 502, the knife blade 501 is movably connected to the valve body 502, and the position of the knife blade 501 relative to the valve body 502 can be adjusted to control the on-off of the wrench-type control valve, for example, the knife blade 501 is rotatably connected to the valve body 502, and the knife blade 501 rotates relative to the valve body 502 between a first position and a second position, such as the knife blade 501 is in the first position in fig. 2, in which the ball valve hole of the valve body 502 is perpendicular to the refrigerant flow path, the wrench-type control valve is turned off, and the refrigerant flow path is turned off; the knife 501 rotates along the arrow direction in fig. 2, and when the knife rotates to the second position, the ball valve hole is parallel to the refrigerant flow path, and the wrench-type control valve is turned on.
An embodiment of the present disclosure provides an assembling method for an air conditioner as in any one of the above embodiments, as shown in fig. 3, the assembling method includes:
in step S30, a vacuum-pumping device is connected to the first vacuum-pumping port 70 to perform a vacuum-pumping operation on the first connecting pipe 30 and the indoor unit 10.
Alternatively, as shown in fig. 4, the first inline pipe 30 and the indoor unit 10 are subjected to a vacuuming operation including:
in step S402, the first vacuum port 70 is controlled to be opened by the first control device, and the vacuum device is connected to the first vacuum port 70 to perform a vacuum operation on the first connecting pipe 30 and the indoor unit 10.
When the first pipe 30 and the indoor unit 10 need to be vacuumized, the first vacuum port 70 is opened by the first control device, so that the vacuum-pumping device is communicated with both the first pipe 30 and the indoor unit 10, and the first pipe 30 and the indoor unit 10 are vacuumized. The vacuum-pumping device is connected to the first vacuum-pumping port 70, and the vacuum-pumping device is communicated with both the refrigerant flow path in the first connecting pipe 30 (the portion of the refrigerant flow path in the first connecting pipe 30) and the refrigerant flow path in the indoor unit 10 (the portion of the refrigerant flow path in the indoor unit 10), so that the first connecting pipe 30 and the indoor unit 10 can be evacuated by the vacuum-pumping device at the indoor side, and the safety of the vacuum-pumping operation of the indoor unit 10 and the first connecting pipe 30 is improved.
In step S404, when the first pipe 30 and the indoor unit 10 complete the vacuum-pumping operation, the first vacuum-pumping device controls the first vacuum-pumping port 70 to be closed, in other words, the vacuum-pumping device is connected to the first vacuum-pumping port 70, so as to perform the vacuum-pumping operation on the first pipe 30 and the indoor unit 10.
When the first connecting pipe 30 and the indoor unit 10 are vacuumized, the first vacuuming port 70 is closed by the first control device, so that the external air is prevented from entering the first connecting pipe 30 and the indoor unit 10 from the first vacuuming port 70.
Optionally, the assembling method further includes performing a vacuum-pumping operation on the second coupling pipe 40 and the indoor unit 10, and the performing the vacuum-pumping operation on the second coupling pipe 40 and the indoor unit 10 specifically includes:
the second vacuum-pumping port 80 is controlled to be opened through a second control device, and the vacuum-pumping device is communicated with the second vacuum-pumping port 80 so as to perform vacuum-pumping operation on the second connecting pipe 40 and the indoor unit 10;
in the case where the second linkage pipe 40 and the indoor unit 10 complete the vacuuming operation, the second vacuuming port 80 is controlled to be closed by the second control means.
Optionally, the assembly method further comprises:
the refrigerant filling device 60 is used for filling the refrigerant into the outdoor unit 20;
the first refrigerant inlet and outlet 201 and the second refrigerant inlet and outlet 202 of the outdoor unit 20 are closed by the refrigerant filling device 60 and the third control device 90 until the first and second joint pipes 30 and 40 and the indoor unit 10 complete the vacuum pumping operation.
When the first and second coupler pipes 30 and 40 and the indoor unit 10 are vacuumized, the first and second refrigerant inlets and outlets 201 and 202 of the outdoor unit 20 are closed by the refrigerant filling device 60 and the third control device 90, thereby preventing the refrigerant pre-filled in the outdoor unit 20 from flowing out of the outdoor unit 20.
After the first and second united pipe 30, 40 and the indoor unit 10 are vacuumized, the first and second refrigerant inlets and outlets 201 and 202 are opened by the refrigerant filling device 60 and the third control device 90, so that the refrigerant flows through the first and second united pipe 30, 40, the outdoor unit 20 and the indoor unit 10.
In one particular embodiment, as shown in fig. 5, the assembly method includes:
step S502, filling the refrigerant into the outdoor unit 20 by the refrigerant filling device 60;
step S504, closing the first refrigerant inlet/outlet 201 and the second refrigerant inlet/outlet 202 of the outdoor unit 20 by the refrigerant filling device 60 and the third control device 90;
step S506, controlling the first vacuumizing port 70 to be opened through the first control device, and communicating a vacuumizing device with the first vacuumizing port 70 so as to vacuumize the first connecting pipe 30 and the indoor unit 10;
step S508, controlling the first vacuum opening 70 to be closed by the first vacuum device when the first connecting pipe 30 and the indoor unit 10 complete the vacuum-pumping operation;
step S510, controlling the second vacuum-pumping port 80 to open through the second control device, and communicating the vacuum-pumping device with the second vacuum-pumping port 80 to perform vacuum-pumping operation on the second connecting pipe 40 and the indoor unit 10;
in step S512, the second vacuum outlet 80 is controlled to be closed by the second control device when the second connecting pipe 40 and the indoor unit 10 complete the vacuum-pumping operation.
Wherein, the steps S506 and S508 are used for vacuumizing the first connecting pipe 30 and the indoor unit 10 through the first vacuumizing port 70, the steps S510 and S512 are used for vacuumizing the second connecting pipe 40 and the indoor unit 10 through the second vacuumizing port 80, no sequence exists between the vacuumizing operation of the first connecting pipe 30 and the indoor unit 10 and the vacuumizing operation of the second connecting pipe 40 and the indoor unit 10, the first connecting pipe 30 and the indoor unit 10 can be vacuumized through the first vacuumizing port 70 first, the second connecting pipe 40 and the indoor unit 10 can be vacuumized through the second vacuumizing port 80 second, the first connecting pipe 30 and the indoor unit 10 can be vacuumized through the first vacuumizing port 70 first, the first connecting pipe 30 and the indoor unit 10 can be vacuumized through the first vacuumizing port 70, The second linkage pipe 40 and the indoor unit 10 are simultaneously vacuumized through the second vacuuming port 80.
When the evacuation of the second joint pipe 40 and the indoor unit 10 through the second evacuation port 80 and the evacuation of the second joint pipe 40 and the indoor unit 10 through the second evacuation port 80 are simultaneously performed, the number of the evacuation devices may be plural, wherein at least one vacuum-pumping device is used for vacuum-pumping the first connecting pipe 30 and the indoor unit 10 through the first vacuum-pumping port 70, at least one vacuum-pumping device is used for vacuum-pumping the second connecting pipe 40 and the indoor unit 10 through the second vacuum-pumping port 80, the number of the vacuum-pumping devices can be one, the first connecting pipe 30 and the indoor unit 10 are simultaneously vacuumed through the first vacuum port 70 and the second connecting pipe 40 and the indoor unit 10 through the second vacuum port 80 by one vacuum-pumping means, for example, the evacuation device is a dual head evacuation device having two heads connected to the first evacuation port 70 and the second evacuation port 80, respectively.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. An air conditioner comprises an outdoor unit, a first coupling pipe, an indoor unit and a second coupling pipe which are communicated to form a refrigerant flow path,
a first vacuumizing port is arranged on the indoor side of the first connecting pipe and/or the indoor unit and communicated with the refrigerant flow path, and the first vacuumizing port is used for communicating a vacuumizing device so as to vacuumize the first connecting pipe and the indoor unit;
a second vacuumizing port is arranged on the indoor side of the second coupling pipe and/or the indoor unit and communicated with the refrigerant flow path, and the second vacuumizing port is used for communicating a vacuumizing device so as to vacuumize the second coupling pipe and the indoor unit;
the air conditioner is assembled according to the following method:
filling the outdoor unit with a refrigerant;
closing a first refrigerant inlet and a second refrigerant inlet and outlet of the outdoor unit;
controlling the first vacuumizing port to be opened, and communicating a vacuumizing device with the first vacuumizing port to vacuumize the first connecting pipe and the indoor unit;
controlling the first vacuumizing port to be closed under the condition that the first connecting pipe and the indoor unit finish vacuumizing operation;
controlling the second vacuumizing port to be opened, and communicating the vacuumizing device with the second vacuumizing port to vacuumize the second connecting pipe and the indoor unit;
and under the condition that the second connecting pipe and the indoor unit finish the vacuumizing operation, controlling the second vacuumizing port to be closed.
2. The air conditioner according to claim 1, further comprising:
and a first control device provided in the first vacuum port and configured to control opening and closing of the first vacuum port.
3. The air conditioner according to claim 1,
the first vacuumizing port is positioned on the indoor side of the first on-line pipe and/or the end part of the indoor unit close to the first on-line pipe;
the second vacuumizing port is positioned on the indoor side of the second coupling pipe and/or on the indoor unit close to the end part of the second coupling pipe.
4. The air conditioner according to claim 3, further comprising:
and a second control device provided in the second vacuum port and configured to control opening and closing of the second vacuum port.
5. The air conditioner according to any one of claims 1 to 4, further comprising:
the refrigerant filling device is arranged on one of a first refrigerant inlet and a second refrigerant inlet of the outdoor unit, and is configured to fill refrigerant into the outdoor unit and control the on-off of the one of the first refrigerant inlet and the second refrigerant inlet;
and a third control device disposed on the other of the first refrigerant inlet/outlet and the second refrigerant inlet/outlet and configured to control on/off of the other of the first refrigerant inlet/outlet and the second refrigerant inlet/outlet.
6. The air conditioner according to claim 5,
the refrigerant filling device comprises a first quick joint, a first three-way valve, a first two-way valve or a first one-way valve;
the third control device comprises a second quick joint, a second three-way valve, a second two-way valve, a second one-way valve or a wrench type control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010618622.6A CN111780223B (en) | 2020-07-01 | 2020-07-01 | Air conditioner and assembling method for air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010618622.6A CN111780223B (en) | 2020-07-01 | 2020-07-01 | Air conditioner and assembling method for air conditioner |
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| CN111780223B true CN111780223B (en) | 2022-04-15 |
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| JP5995826B2 (en) * | 2013-12-13 | 2016-09-21 | 三菱電機株式会社 | Refrigerant exhaust apparatus and refrigerant exhaust method |
| CN207317130U (en) * | 2017-09-28 | 2018-05-04 | 广州双赛商贸有限公司 | A kind of multi-line system of extendible capacity installation |
| CN208296067U (en) * | 2018-05-18 | 2018-12-28 | 郑州海尔空调器有限公司 | A kind of air conditioner |
| CN108800686A (en) * | 2018-07-28 | 2018-11-13 | 珠海格力电器股份有限公司 | Air conditioner |
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