CN105222426B - Vacuum extractor, method and air-conditioning equipment - Google Patents
Vacuum extractor, method and air-conditioning equipment Download PDFInfo
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- CN105222426B CN105222426B CN201510571822.XA CN201510571822A CN105222426B CN 105222426 B CN105222426 B CN 105222426B CN 201510571822 A CN201510571822 A CN 201510571822A CN 105222426 B CN105222426 B CN 105222426B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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Abstract
The present invention relates to a kind of vacuum extractor, method and air-conditioning equipment, main technical schemes are：A kind of vacuum extractor, including：For connecting the first pipeline of air-conditioning internal machine, the second pipe for connecting outdoor machine of air-conditioner, and the first valve is provided with the first pipeline；The second valve is provided with second pipe；First pipeline is removably connected with second pipe；Vacuumizing assembly can be realized carries out vacuumize process to the first pipeline, second pipe and connected air-conditioning equipment；And vacuumizing assembly can realize that the pipeline being only pointed between the first valve and the second valve carries out vacuumize process.Present invention is mainly used for vacuumize process is carried out to air-conditioning equipment, raising air-conditioning equipment vacuumizes efficiency, reduction vacuumizes cost, and then improves the efficiency that performance test is carried out to air-conditioning model machine.
Description
Technical field
The present invention relates to field of mechanical technique, and in particular to air conditioner refrigerating field, more particularly to a kind of vacuum extractor, side
Method and air-conditioning equipment.
Background technology
It is the important procedure in air-conditioning equipment production, performance test, installation and maintenance process to vacuumize.Specific practice is
It is connected with vavuum pump with air-conditioning equipment pipeline, by the process of the exclusions such as incoagulable gas in air-conditioning equipment and moisture.If do not take out
If vacuum, moisture and incoagulable gas can be remained in system, very big harm (e.g., shadow can be so brought to air-conditioning equipment
Ring the service life of air-conditioning equipment, " ice blocks up " phenomenon etc. occurs, cause air-conditioning equipment can not normal work).
At present, it is mainly as follows for the vacuum pumping method of air-conditioning equipment：Air-conditioning internal machine and outer machine are connected by inside and outside captain
Connect (one end of inside and outside captain's connecting tube is connected in the evaporator feed tube or discharge of air-conditioning internal machine, the other end connect
It is connected in the pipeline of outer machine)；Vavuum pump is connected to inside and outside captain's connecting tube；Finally start vavuum pump just by air-conditioning internal machine and interior
Incoagulable gas and moisture in outer captain's connecting tube are extracted out, realize the purpose vacuumized to air-conditioning equipment.
But it was found by the inventors of the present invention that when carrying out performance test to air-conditioning model machine, it usually needs to air-conditioning model machine
Progress is repeatedly or multinomial performance is tested, and in each test process, is likely to need machine in dismounting to be tested to fix a breakdown
Or validation fault testing scheme.Air-conditioning model machine is vacuumized according to above-mentioned existing vacuum pumping method so that test every time all
Vacuumize process must be carried out to whole pipeline, and after interior machine fixes a breakdown end, must repeated to interior machine and internal-external machine
Long connecting tube re-starts vacuumize process, and the efficiency of such vacuumize process is low, waste experimental resources, increase manpower into
This, the cost vacuumized is higher；So that to air-conditioning model machine carry out performance test in connecting leg test step complex,
Testing efficiency is low, increase testing cost, and has a strong impact on project unit testing progress.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of vacuum extractor, method and air-conditioning equipment, and main purpose is to carry
Height vacuumizes efficiency to air-conditioning equipment, and cost is vacuumized so as to reduce, and then improves the effect that performance test is carried out to air-conditioning model machine
Rate.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, the invention provides a kind of vacuum extractor, for carrying out vacuumize process to air-conditioning equipment, this is taken out very
Empty device includes：
First pipeline, first pipeline is used to connect air-conditioning internal machine, and is provided with the first valve on first pipeline；
Second pipe, the second pipe is used to connect outdoor machine of air-conditioner, and the second valve is provided with the second pipe；
Wherein, first pipeline is removably connected with the second pipe；
Vacuumizing assembly, the vacuumizing assembly can be realized to be set to the first pipeline, second pipe and connected air-conditioning
It is standby to carry out vacuumize process；And the vacuumizing assembly can realize that the pipeline being only pointed between the first valve and the second valve enters
Row vacuumize process.
Preferably, first pipeline includes the first connecting tube and the second connecting tube removably connected；Wherein,
One end of first connecting tube is connected with air-conditioning internal machine, and the other end connects second connecting tube；First valve is set
In the first connecting tube；
The second pipe includes the 3rd connecting tube and the 4th connecting tube removably connected；Wherein, described
One end of three connecting tubes is connected with outdoor machine of air-conditioner, and the other end connects the 4th connecting tube；Second valve is arranged on the 3rd
In connecting tube；4th connecting tube is removably connected with the second connecting tube；Wherein, the vacuumizing assembly includes
First vacuumizing assembly, first vacuumizing assembly are connected with second connecting tube；And/or first vacuumizing assembly
It is connected with the 4th connecting tube.
Preferably, first vacuumizing assembly is removably connected with second connecting tube；And/or first
Vacuumizing assembly is removably connected with the 4th connecting tube.
Preferably, the vacuumizing assembly also includes the second vacuumizing assembly, second vacuumizing assembly and described the
Three connecting tubes connect.
Preferably, first vacuumizing assembly includes manual vacuum device and the first vacuum tube；Wherein, it is described manual
Vacuum device is connected with the first vacuum tube, and the first vacuum tube is connected with second connecting tube；And/or first vacuum tube and institute
State the connection of the 4th connecting tube；Second connecting tube is provided with the 3rd valve in the close opening position with the first vacuum tube；And/or
4th connecting tube is provided with the 3rd valve in the opening position close to the first vacuum tube.
Preferably, second vacuumizing assembly includes the second vacuum tube, described in one end connection of second vacuum tube
3rd connecting tube, the other end are used to connect vacuum pumping pump.
Preferably, second vacuumizing assembly is removably connected with the 3rd connecting tube, and described
Three connecting tubes are provided with the 4th valve in the opening position close to second vacuumizing assembly.
Preferably, the 3rd connecting tube includes being used in branch pipe and air-conditioning equipment connecting air-conditioning internal machine and outdoor machine of air-conditioner
Connection pipe for internal-external unit；Described connection pipe for internal-external unit one end is connected with the 4th connecting tube, other end connection outdoor machine of air-conditioner；It is described
One end of branch pipe connects the connection pipe for internal-external unit, and the other end is connected with second vacuum tube.
Preferably, the second pipe is connected with the pipeline in outdoor machine of air-conditioner, in first pipeline and air-conditioning internal machine
Evaporator feed tube or the connection of evaporator discharge.
On the other hand, the present invention also provides a kind of vacuum pumping method, and air-conditioning equipment is entered using foregoing vacuum extractor
Row vacuumize process, comprises the following steps：
Internal-external machine connects machine step：Air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are sequentially connected；Wherein, institute
The first pipeline is stated removably to be connected with the second pipe；
Vacuumize process step：Vacuumize process is carried out to the air-conditioning internal machine, the first pipeline, second pipe.
Preferably, start operating procedure is also included after the vacuumize process step：Open the sky after vacuumize process
Equipment is adjusted, makes its operation.
Preferably, it is described to vacuumize place when needing to carry out fault detect experiment to the air-conditioning internal machine after vacuumize process
Reason method also includes：Internal-external machine shuts down separating step：Close the first valve on the first pipeline, the second valve on second pipe
Door, the first pipeline and second pipe are dismantled, disconnect the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
Preferably, after the internal-external machine separating step, in addition to：
Internal-external machine connects machine step again：Connect first pipeline and second pipe；
Local vacuum-pumping processing step：The pipeline being pointed between the first valve and the second valve carries out vacuumize process；
Preferably, after the local vacuum-pumping processing step, in addition to operating procedure of starting shooting again：Open the first valve
Door, the second valve, the air-conditioning equipment after vacuumize process is opened, makes its operation.
On the other hand, the present invention also provides a kind of air-conditioning equipment, including：
Air-conditioning internal machine；
Outdoor machine of air-conditioner；
Vacuum extractor described in any of the above-described, the pipeline in the second pipe and outdoor machine of air-conditioner of the vacuum extractor
Connection, the first pipeline of the vacuum extractor are connected with the evaporator feed tube in air-conditioning internal machine or evaporator discharge.
Compared with prior art, a kind of vacuum extractor, method and the air-conditioning equipment that the embodiment of the present invention proposes, at least
Have the advantages that：
The vacuum extractor and method of the present invention can not only carry out vacuumize process to whole air-conditioning equipment, and have office
The characteristics of portion is removable, and energy local vacuum-pumping is handled.When needing to dismantle air-conditioning internal machine, need to be by vacuum plant partial disassembly only
It can be achieved, to ensure air-conditioning internal machine and the vacuum state of the 3rd connecting tube (i.e. inside and outside captain's connecting tube) in closing；It will tear open again
When air-conditioning internal machine after unloading carries out internal-external machine connection, need to only local vacuum-pumping be carried out to local disassembling part position.Therefore, with existing skill
Art is compared, and this mode that vacuumizes improves vacuumize process efficiency, has been saved and has been vacuumized cost, reduces labor intensity.For
For air-conditioning model machine performance test, the present embodiment it is this vacuumize mode simplify connecting leg test step, reduce test into
Originally testing efficiency, is improved, accelerates the progress of project testing group.
In addition, the air-conditioning equipment of the present invention includes above-mentioned vacuum extractor, similarly also have part removable, can locally take out
The characteristics of application of vacuum, vacuumize process is carried out so as to convenient, the side in the installation, performance test and maintenance process of air-conditioning equipment
Just vacuumize process is carried out, and it is low to vacuumize cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vacuum extractor provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram after vacuum extractor provided in an embodiment of the present invention is connected with air-conditioning internal machine, outdoor machine of air-conditioner；
Fig. 3 is the partial schematic diagram of vacuum extractor provided in an embodiment of the present invention；
Fig. 4 is one embodiment of the invention schematic diagram；
Fig. 5 is another embodiment of the present invention schematic diagram；
Fig. 6 is another embodiment of the present invention schematic diagram.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to a kind of vacuum extractor proposed by the present invention and method and air-conditioning equipment embodiment, spy
Sign and its effect, describe in detail as follows.
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of vacuum extractor, and the vacuum extractor is used to carry out vacuumize process to air-conditioning equipment.
With reference to shown in figure 1, the vacuum extractor includes the first pipeline 3, second pipe 4 and vacuumizing assembly.Wherein, the first pipeline 3 is used
In the evaporator feed tube or evaporator discharge that connect air-conditioning internal machine 1 in air-conditioning equipment.The first valve is provided with first pipeline 3
Door 311, for controlling the connection of the first pipeline and air-conditioning internal machine.Second pipe 4 is used to connect the outdoor machine of air-conditioner in air-conditioning equipment
2, and the second valve 411 is provided with second pipe 4.Wherein, the first pipeline 3 is removably connected with second pipe 4；
Vacuumizing assembly can be realized carries out vacuumize process to the first pipeline 3, second pipe 4 and connected air-conditioning equipment, and takes out
Vacuum subassembly can also realize that the pipeline being only pointed between the first valve and the second valve carries out vacuumize process.
, will according to above-mentioned connected mode when carrying out vacuumize process to air-conditioning equipment using the vacuum extractor of the present embodiment
After air-conditioning internal machine, the first pipeline, second pipe and the outdoor machine of air-conditioner of vacuum extractor connect, using vacuum extractor to first
Pipeline, second pipe and air-conditioning equipment carry out vacuumize process, and after vacuumize process, air-conditioning equipment is directly started shooting operation.
If when carrying out performance test to air-conditioning model machine (or processing such as maintenance, be not especially limited herein), first by upper
State step and first time vacuumize process, start operation are carried out to air-conditioning model machine.Needs pair are found in air-conditioning model machine running
Air-conditioning internal machine carries out fault detect experiment, that is, needs to pull down air-conditioning internal machine progress fault detect experiment, like this only need to close
First valve, the second valve, the first pipeline and second pipe are taken apart.After air-conditioning internal machine fault detect off-test,
First pipeline, second pipe are connected, and the pipeline between the first valve, the second valve is only pointed to vacuumizing assembly
(pipeline of part first, part second pipe) vacuumizes.After vacuumizing, the first valve, the second valve are opened, is continued
Start operation.
The vacuum extractor that can be seen that the present embodiment offer from vacuum above has local removable, energy office
The characteristics of portion's vacuumize process.When needing to dismantle air-conditioning internal machine, only vacuum plant partial disassembly need to be can be achieved, then will
When air-conditioning internal machine after dismounting carries out internal-external machine connection, need to only local vacuum-pumping be carried out to local disassembling part position.Therefore, with it is existing
Technology is compared, and this mode that vacuumizes improves vacuumize process efficiency, has been saved and has been vacuumized cost, reduces labor intensity.It is right
For air-conditioning model machine performance test, this mode that vacuumizes of the present embodiment reduces testing cost, improves testing efficiency,
Reduce in test process, the down time of other air-conditioning model machines to be measured.
In addition, the vacuumizing assembly in the present embodiment both can be to the first pipeline, second pipe and air-conditioning internal machine whole system
Vacuumize process is carried out, the pipeline that also can be only pointed between the first valve, the second valve carries out vacuumize process.Should to realize
Purpose, it may be designed to following manner (referring to content described in following embodiments).
Embodiment 2
It is preferred that the present embodiment provides a kind of vacuum extractor, compared with a upper embodiment, Fig. 1 and Fig. 2 institutes are referred to
Show, the first connecting tube 31 and second that the first pipeline 3 of vacuum extractor includes removably connecting in the present embodiment connects
Adapter 32；Wherein, one end of the first connecting tube 31 is connected with air-conditioning internal machine 1 (with the evaporator feed tube of air-conditioning internal machine or evaporation
Device discharge connects), the other end connects the second connecting tube 32；First valve 311 is arranged in the first connecting tube 31.Second pipe
4 the 3rd connecting tubes 41 and the 4th connecting tube 42 including removably connecting；Wherein, one end of the 3rd connecting tube 41 and sky
Outer machine 2 is adjusted to connect, the other end connects the 4th connecting tube 42；Second valve 411 is arranged in the 3rd connecting tube 41；4th connecting tube
42 are removably connected with the second connecting tube 32.Wherein, vacuumizing assembly includes the first vacuumizing assembly 51, and first takes out
Vacuum subassembly 51 is connected with the second connecting tube 32；And/or first vacuumizing assembly 51 be connected with the 4th connecting tube 42.
The present embodiment is by being arranged such, on the one hand, the first vacuumizing assembly can carry out vacuumize process to whole system；
On the other hand, closing the first valve, in the case of the second valve, the first vacuumizing assembly can only to the second connecting tube and/or
4th connecting tube carries out vacuumize process.By so designing, it is only necessary to which a vacuumizing assembly just can be realized to air-conditioning equipment,
The vacuumize process of one pipeline and second pipe whole system, moreover it is possible to realize that local vacuum-pumping is handled.Therefore, this side of vacuumizing
Formula further increases vacuumize process efficiency, has saved and has vacuumized cost, reduces labor intensity.Surveyed for air-conditioning model machine performance
For examination, this mode that vacuumizes of the present embodiment reduces testing cost, improves testing efficiency.
Here, the first connecting tube and the second connecting tube, the 3rd connecting tube and the 4th connecting tube are removably connected
Connect, on the one hand vacuum plant when not in use facilitate place, on the other hand by the first connecting tube with the second connecting tube with detachable
Mode when connecting so that needing to overhaul air-conditioning internal machine again, close the first valve, the second valve, take the second connecting tube and the apart
The connection of four connecting tubes.If taking the first connecting tube and the second connecting tube apart again, make the more convenient maintenance of staff or failure proof.
It is preferred that the first vacuumizing assembly is removably connected with the second connecting tube 32；And/or first vacuumize
Component 51 is removably connected with the 4th connecting tube 42.By so designing, event is carried out interior machine need to be carried out to dismounting
During barrier detection experiment, when taking the connection of the first pipeline and second pipe apart, so that it may remove the first vacuumizing assembly, make first
Vacuumizing assembly vacuumizes to other air-conditioning model machines, and for air-conditioning model machine performance test, this to vacuumize mode further
Testing efficiency is improved, is reduced in test process, the down time of other air-conditioning model machines to be measured.
Embodiment 3
It is preferred that the present embodiment provides a kind of vacuum extractor, as shown in Fig. 2 compared with above-described embodiment, the present embodiment
In vacuumizing assembly also include the second vacuumizing assembly 52, the second vacuumizing assembly 52 is connected with the 3rd connecting tube 41.
The thinking that the present embodiment is so set is to be used to realize in whole pipeline and air-conditioning using the second vacuumizing assembly
The vacuumize process of machine, and make that the first vacuumizing assembly is only pointed to the first valve, the pipeline at the second valve is carried out at vacuum
Reason.It is preferred that the second vacuumizing assembly 52 is removably connected with the 3rd connecting tube 41, and the 3rd connecting tube 41
Opening position close to the second vacuumizing assembly is provided with the 4th valve 412.By in this way, make the first vacuumizing assembly,
The division of labor of second vacuumizing assembly is clear and definite, is independent of each other, after the vacuumize process to whole pipeline and air-conditioning internal machine, can be moved
Remove, it is carried out vacuumize process to other air-conditioning model machines, to improve vacuumize process and air-conditioning model machine amount detection.
It is preferred that the present embodiment provides a kind of vacuum extractor, as shown in Fig. 2 the second vacuumizing assembly 52 includes second
Vacuum tube 521, one end of the second vacuum tube 521 connect the 3rd connecting tube 41, and the other end is used to connect vacuum pumping pump 522.
Embodiment 4
It is preferred that the present embodiment provides a kind of vacuum extractor, with reference to shown in figure 1 and Fig. 2, compared with Example 3, first
Vacuumizing assembly 51 includes the manual vacuum tube 511 of vacuum device 512 and first；Wherein, manual vacuum device 512 and first
Vacuum tube 511 is connected, and the first vacuum tube 511 is connected with the second connecting tube 32；And/or first vacuum tube 511 and the 4th connecting tube
42 connections.
Because the first vacuumizing assembly is only responsible for carrying out vacuumize process, and second to the second connecting tube and the 4th connecting tube
For whole passage, its length is shorter for connecting tube, the 4th connecting tube, so manual vacuum device is set to,
Operating personnel's simple manual action is only needed, without electrodynamic pump is reused, so further saves and vacuumizes cost and air-conditioning
Prototype Test cost.
It is preferred that the second connecting tube 32 is provided with the 3rd valve 321 in the opening position close to the first vacuum tube 511；With/
Or the 4th connecting tube 42 opening position of first vacuum tube 511 is being provided with another 3rd valve 421.By setting valve one
Aspect can control the first vacuumizing assembly to vacuumize system, can on the other hand after the first vacuumizing assembly is removed
To play a part of sealing, to ensure the vacuum of system.
Embodiment 5
It is preferred that the present embodiment provides a kind of vacuum extractor, as shown in figure 3, with above-described embodiment phase
Than, the 3rd connecting tube 41 in the present embodiment include being used in branch pipe 414 and air-conditioning equipment connecting air-conditioning internal machine with
The connection pipe for internal-external unit 415 (i.e. inside and outside captain's connecting tube) of outdoor machine of air-conditioner；Described one end of connection pipe for internal-external unit 415 is connected with the 4th
Pipe 42 connects, other end connection outdoor machine of air-conditioner 2.One end connection connection pipe for internal-external unit 415 of branch pipe 414, the other end is true with second
Blank pipe 521 connects.Wherein, the 4th valve 412 is arranged on branch pipe 414.In addition, in connection pipe for internal-external unit 415 and outdoor machine of air-conditioner
The junction of interior conduit is additionally provided with the 5th valve 413.
Inside and outside captain's connecting tube in air-conditioning equipment is used in vacuum extractor by the present embodiment, is so not only saved
Pipeline, and meet air-conditioning actual operation requirements.
Embodiment 6
The present embodiment provides a kind of vacuum pumping method, and the vacuum pumping method is used to carry out vacuumize process to air-conditioning equipment,
Comprise the following steps：
(1) internal-external machine connects machine step：Air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are sequentially connected；Its
In, the first pipeline is removably connected with the second pipe.
It is preferred that as shown in figure 4, the step is specially by evaporator feed tube in air-conditioning internal machine 1 or evaporator discharge
It is connected by nut assembly with the first pipeline 3, the first pipeline 3 is connected with second pipe 4 by nut assembly；By second pipe
It is connected by outer machine attaching nut with outdoor machine of air-conditioner 2, so as to realize the connection of internal-external machine.Wherein, such as Fig. 4 of the state after connection institutes
Show.Wherein, the air-conditioning equipment model machine of Fig. 4 states can directly carry out performance test of appearing on the stage.
(2) vacuumize process step：To air-conditioning system pipeline carry out vacuumize process, such as to air-conditioning internal machine, the first pipeline,
Second pipe carries out vacuumize process.
It is preferred that the step is specifically, vacuum pumping pump is connected in system pipeline, to the first pipeline, second pipe and
Air-conditioning internal machine carries out vacuumize process, whole pipe-line system is met vacuum level requirements.As shown in figure 5, whole dotted line side
Pipeline is vacuum state in frame region, and now, the first valve 311, the second valve 411, the 4th valve 412 are in opening state
State, and the 3rd valve 321, another 3rd valve 421 and the 5th valve 413 are closed.It will can be taken out after vacuumize process
Vavuum pump is removed, and such vacuum pumping pump is tested available for other air-conditioner sets.
It is preferred that following step can be carried out after vacuumize process step：
(3) start operating procedure：The air-conditioning equipment after vacuumize process is opened, makes its operation.
It is preferred that the step specifically, the first valve 311, the second valve 411, the 5th valve 413 are opened, closes the
Three valves 321, another 3rd valve 421 and the 4th valve 412.Start operation, now outer machine refrigerant can pass through the 5th valve
413rd, the second valve 411, the first valve 311 reach interior machine evaporator pipeline, if evaporator feed tube (or discharge) is same
Connect in this way, the circulation of refrigerant, model machine normal operation can be achieved.
It is preferred that when needing to carry out fault detect experiment to the air-conditioning internal machine after vacuumize process, it is above-mentioned to vacuumize place
Reason method also includes：
(4) internal-external machine shuts down separating step：The first valve on the first pipeline, the second valve on second pipe are closed,
First pipeline and second pipe are dismantled, disconnect the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
The step is specially：As shown in figure 4, make the first valve 311, the second valve 411, the 3rd valve 321, the another 3rd
After valve 421, the 4th valve 412 and the 5th valve 413 are closed, the connection of the first pipeline and second pipe is taken apart,
Realize the separation of air-conditioning internal machine and outdoor machine of air-conditioner.Because refrigerant in pipeline can be pumped into outer machine compressor by compressor after shutdown,
The less refrigerant of remaining in pipeline, pressure is smaller, and air-conditioning internal machine, which can leave office, to be torn machine examination open and test experiment failure, and outdoor machine of air-conditioner still needs to connection the
Three connecting tubes, but it is introduced into air still in vacuum state in the 3rd connecting tube.
Fault detect experiment is carried out to air-conditioning internal machine in order to more convenient, the first connecting tube and the second connecting tube can be taken apart.
(5) internal-external machine connects machine step again：Connect the first pipeline and second pipe.
It is preferred that the first pipeline is connected with second pipe by attaching nut's component.
(6) local vacuum-pumping processing step：The pipeline between the first valve and the second valve is pointed to carry out vacuumizing place
Reason.First vacuumizing assembly is connected at the pipeline between the first valve, the second valve, as shown in Figure 6.
The 3rd valve 321, another 3rd valve 421 (now the first valve 311, the second valve are opened after connecting pipeline
411 are in closed mode), very small relative to the 3rd connecting tube inner space, the pumpdown time is short, is driven without being powered,
Vacuum section is for example at Fig. 6 dashed rectangles, after air is taken out to the greatest extent, closes the 3rd valve 321, another 3rd valve 421, unclamps connection spiral shell
Female component, remove manual vacuum device (need not can also remove).
(7) start shooting again operating procedure：The first valve, the second valve are opened, opens the air-conditioning equipment after vacuumize process,
Make its operation.
Now pipeline connection recovers Fig. 4 states again, and the 3rd valve 321, another 3rd valve 421, the 4th valve 412 are in
Closed mode, the first valve 311, the second valve 411 and the 5th valve 413 are in opening, and start operation, now outer machine is cold
Matchmaker can reach interior machine evaporator pipeline by the 5th valve 413, the second valve 411, the first valve 311, and following for refrigerant can be achieved
Ring, air-conditioning model machine normal operation.
Embodiment 7
The present embodiment provides a kind of air-conditioning equipment, and with reference to shown in figure 2, the air-conditioning equipment includes：Outside air-conditioning internal machine 1, air-conditioning
The vacuum extractor of machine 2 and any of the above-described embodiment.Pipeline connection in the second pipe and outdoor machine of air-conditioner of vacuum extractor, institute
The first pipeline of vacuum extractor is stated to be connected with the evaporator feed tube in air-conditioning internal machine or evaporator discharge.
The present embodiment provide air-conditioning equipment conveniently carry out vacuumize process, the installation of air-conditioning equipment, performance test and
It is convenient in maintenance process to carry out vacuumize process, and it is low to vacuumize cost.
To sum up, vacuum extractor provided in an embodiment of the present invention, method and air-conditioning equipment have local removable, can be local
The characteristics of vacuumize process.When needing to dismantle air-conditioning internal machine, only vacuum plant partial disassembly need to be can be achieved, to ensure
Air-conditioning internal machine and the vacuum state of the 3rd connecting tube (i.e. inside and outside captain's connecting tube) in closing；Again by the air-conditioning internal machine after dismounting
When carrying out internal-external machine connection, need to only local vacuum-pumping be carried out to local disassembling part position.Therefore, compared with prior art, it is this to take out
Vacuum mode improves vacuumize process efficiency, has saved and has vacuumized cost, reduces labor intensity.Surveyed for air-conditioning model machine performance
For examination, this mode that vacuumizes of the present embodiment simplifies connecting leg test step, reduces testing cost, improves test effect
Rate, accelerate the progress of project testing group.
It will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be freely
Combination, superposition.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of vacuum extractor, it is characterised in that for carrying out vacuumize process, the vacuum extractor bag to air-conditioning equipment
Include：
First pipeline, first pipeline is used to connect air-conditioning internal machine, and is provided with the first valve on first pipeline；
Second pipe, the second pipe is used to connect outdoor machine of air-conditioner, and the second valve is provided with the second pipe；Its
In, first pipeline is removably connected with the second pipe；
Vacuumizing assembly, the vacuumizing assembly can be realized to be entered to the first pipeline, second pipe and connected air-conditioning equipment
Row vacuumize process；And the vacuumizing assembly can realize that the pipeline being only pointed between the first valve and the second valve is taken out
Application of vacuum.
2. vacuum extractor according to claim 1, it is characterised in that first pipeline includes removably connecting
The first connecting tube and the second connecting tube connect；Wherein, one end of first connecting tube is connected with air-conditioning internal machine, other end connection
Second connecting tube；First valve is arranged in the first connecting tube；
The second pipe includes the 3rd connecting tube and the 4th connecting tube removably connected；Wherein, the described 3rd connects
One end of adapter is connected with outdoor machine of air-conditioner, and the other end connects the 4th connecting tube；Second valve is arranged on the 3rd connection
Guan Shang；
Wherein, the 4th connecting tube is removably connected with the second connecting tube；
The vacuumizing assembly includes the first vacuumizing assembly, and first vacuumizing assembly is connected with second connecting tube；
And/or first vacuumizing assembly is connected with the 4th connecting tube.
3. vacuum extractor according to claim 2, it is characterised in that first vacuumizing assembly connects with described second
Adapter removably connects；And/or first vacuumizing assembly be removably connected with the 4th connecting tube.
4. vacuum extractor according to claim 2, it is characterised in that the vacuumizing assembly also vacuumizes including second
Component, second vacuumizing assembly are connected with the 3rd connecting tube.
5. vacuum extractor according to claim 4, it is characterised in that first vacuumizing assembly includes taking out manually very
Empty mechanism and the first vacuum tube；Wherein, the manual vacuum device is connected with the first vacuum tube, the first vacuum tube and described the
Two connecting tubes connect；And/or first vacuum tube be connected with the 4th connecting tube；
Second connecting tube is provided with one the 3rd valve in the opening position close to the first vacuum tube；And/or the 4th company
Take over and the opening position close to the first vacuum tube is provided with another 3rd valve.
6. vacuum extractor according to claim 4, it is characterised in that second vacuumizing assembly includes the second vacuum
Pipe, one end of second vacuum tube connect the 3rd connecting tube, and the other end is used to connect vacuum pumping pump.
7. vacuum extractor according to claim 4, it is characterised in that second vacuumizing assembly connects with the described 3rd
Adapter is removably connected, and the 3rd connecting tube is provided with the opening position close to second vacuumizing assembly
4th valve.
8. vacuum extractor according to claim 6, it is characterised in that the 3rd connecting tube includes branch pipe and air-conditioning is set
It is used for the connection pipe for internal-external unit for connecting air-conditioning internal machine and outdoor machine of air-conditioner in standby；Described connection pipe for internal-external unit one end connects with the described 4th
Adapter connection, other end connection outdoor machine of air-conditioner；
One end of the branch pipe connects the connection pipe for internal-external unit, and the other end is connected with second vacuum tube.
9. a kind of vacuum pumping method, it is characterised in that set using the vacuum extractor described in claim any one of 1-8 to air-conditioning
It is standby to carry out vacuumize process, comprise the following steps：
Internal-external machine connects machine step：Air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are sequentially connected；Wherein, described
One pipeline is removably connected with the second pipe；
Vacuumize process step：Vacuumize process is carried out to the air-conditioning internal machine, the first pipeline, second pipe.
10. vacuum pumping method according to claim 9, it is characterised in that also include after the vacuumize process step：
Start operating procedure：The air-conditioning equipment after vacuumize process is opened, makes its operation.
11. vacuum pumping method according to claim 10, it is characterised in that in air-conditioning after needing to vacuumize process
When machine carries out fault detect experiment, the vacuumize process method also includes：
Internal-external machine shuts down separating step：The first valve on the first pipeline, the second valve on second pipe are closed, by the first pipe
Road and second pipe dismounting, disconnect the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
12. vacuum pumping method according to claim 11, it is characterised in that after the internal-external machine shuts down separating step,
Also include：
Internal-external machine connects machine step again：Connect first pipeline and second pipe；
Local vacuum-pumping processing step：The pipeline being pointed between the first valve and the second valve carries out vacuumize process；
13. vacuum pumping method according to claim 12, it is characterised in that after the local vacuum-pumping processing step,
Also include：
Start shooting again operating procedure：The first valve, the second valve are opened, the air-conditioning equipment after vacuumize process is opened, makes its fortune
OK.
A kind of 14. air-conditioning equipment, it is characterised in that including：
Air-conditioning internal machine；
Outdoor machine of air-conditioner；
Vacuum extractor described in claim any one of 1-8, in the second pipe and outdoor machine of air-conditioner of the vacuum extractor
Pipeline connects, and the first pipeline and the evaporator feed tube in air-conditioning internal machine or evaporator discharge of the vacuum extractor connect
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571822.XA CN105222426B (en) | 2015-09-08 | 2015-09-08 | Vacuum extractor, method and air-conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571822.XA CN105222426B (en) | 2015-09-08 | 2015-09-08 | Vacuum extractor, method and air-conditioning equipment |
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| Publication Number | Publication Date |
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| CN105222426A CN105222426A (en) | 2016-01-06 |
| CN105222426B true CN105222426B (en) | 2017-11-28 |
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| CN201510571822.XA Active CN105222426B (en) | 2015-09-08 | 2015-09-08 | Vacuum extractor, method and air-conditioning equipment |
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| CN202747484U (en) * | 2012-09-14 | 2013-02-20 | 珠海格力电器股份有限公司 | Air conditioner |
| CN204061111U (en) * | 2014-07-29 | 2014-12-31 | 珠海格力电器股份有限公司 | Thick smart vacuum pumping device |
| CN204923364U (en) * | 2015-09-08 | 2015-12-30 | 珠海格力电器股份有限公司 | Evacuating device and air conditioning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172241A (en) * | 1996-06-04 | 1998-02-04 | 合泽仁吉 | Heat exchanger, method of reusing and recovering refrigerant thereof |
| CN2485447Y (en) * | 2000-07-04 | 2002-04-10 | 松下电器产业株式会社 | Vaccum pump |
| JP2002147903A (en) * | 2000-11-09 | 2002-05-22 | Toshiba Kyaria Kk | Method and equipment for recovery of refrigerant of air conditioner |
| JP4686403B2 (en) * | 2006-05-12 | 2011-05-25 | 三菱電機ビルテクノサービス株式会社 | Pressurizing device and gas replacement method for evaporator system path of refrigeration cycle |
| CN202002413U (en) * | 2011-04-14 | 2011-10-05 | 山东科灵新能源发展有限公司 | Air conditioner unit vacuum-pumping fluoridating device |
| CN202747484U (en) * | 2012-09-14 | 2013-02-20 | 珠海格力电器股份有限公司 | Air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105222426A (en) | 2016-01-06 |
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