CN105222426A - Vacuum extractor, method and air-conditioning equipment - Google Patents
Vacuum extractor, method and air-conditioning equipment Download PDFInfo
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- CN105222426A CN105222426A CN201510571822.XA CN201510571822A CN105222426A CN 105222426 A CN105222426 A CN 105222426A CN 201510571822 A CN201510571822 A CN 201510571822A CN 105222426 A CN105222426 A CN 105222426A
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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 is: a kind of vacuum extractor, comprise: for connect air-conditioning internal machine the first pipeline, for connecting the second pipe of outdoor machine of air-conditioner, and the first pipeline is provided with the first valve; Second pipe is provided with the second valve; First pipeline is connected removably with second pipe; Vacuumize assembly can realize vacuumizing process to the first pipeline, second pipe and connected air-conditioning equipment; And vacuumize assembly and can realize only vacuumizing process to the pipeline between the first valve and the second valve.The present invention is mainly used in vacuumizing process to air-conditioning equipment, and raising air-conditioning equipment vacuumizes efficiency, reduction vacuumizes cost, and then improves the efficiency of air-conditioning model machine being carried out to performance test.
Description
Technical field
The present invention relates to field of mechanical technique, be specifically related to air conditioner refrigerating field, particularly relate to a kind of vacuum extractor, method and air-conditioning equipment.
Background technology
Vacuumizing is the important procedure in air-conditioning equipment production, performance test, installation and maintenance process.Specific practice is connected with air-conditioning equipment pipeline with vavuum pump, by the process that incoagulable gas and moisture etc. in air-conditioning equipment are got rid of.If do not vacuumize, in system, moisture and incoagulable gas can be remained, very large harm (e.g., affect the service life of air-conditioning equipment, generation " ice blocks up " phenomenon etc., cause air-conditioning equipment normally to work) can be brought to air-conditioning equipment like this.
At present, vacuum pumping method for air-conditioning equipment is mainly as follows: air-conditioning internal machine and outer machine connected (in the evaporimeter feed tube that one end of inside and outside captain's tube connector is connected to air-conditioning internal machine or discharge, the other end is connected in the pipeline of outer machine) by inside and outside captain's tube connector; Vavuum pump is connected to inside and outside captain's tube connector; Finally start vavuum pump just the incoagulable gas in air-conditioning internal machine and inside and outside captain's tube connector and moisture to be extracted out, realize the object that air-conditioning equipment is vacuumized.
But, the present inventor finds, when carrying out performance test to air-conditioning model machine, usually needs to carry out repeatedly air-conditioning model machine or multinomial performance test, and in each test process, all likely need to dismantle interior machine with experiment or the validation fault testing scheme of fixing a breakdown.According to above-mentioned existing vacuum pumping method, air-conditioning model machine is vacuumized, make each test all must vacuumize process to whole pipeline, and after end fixed a breakdown by interior machine, internal machine and inside and outside captain's tube connector must be repeated re-start and vacuumize process, vacuumize the inefficiency of process like this, waste experimental resources, increase human cost, the cost vacuumized is higher; But also make to carry out air-conditioning model machine connecting leg test step complex in performance test, testing efficiency low, increase testing cost, and have a strong impact on project unit testing progress.
Summary 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 improves to vacuumize efficiency to air-conditioning equipment, thus reduction vacuumizes cost, and then improve the efficiency of air-conditioning model machine being carried out to performance test.
For achieving the above object, the present invention mainly provides following technical scheme:
On the one hand, the invention provides a kind of vacuum extractor, for vacuumizing process to air-conditioning equipment, this vacuum extractor comprises:
First pipeline, described first pipeline for connecting air-conditioning internal machine, and described first pipeline is provided with the first valve;
Second pipe, described second pipe for connecting outdoor machine of air-conditioner, and described second pipe is provided with the second valve; Wherein, described first pipeline is connected removably with described second pipe;
Vacuumize assembly, described in vacuumize assembly and can realize vacuumizing process to the first pipeline, second pipe and connected air-conditioning equipment; And described in vacuumize assembly and can realize only vacuumizing process to the pipeline between the first valve and the second valve.
Preferably, described first pipeline comprises the first tube connector and the second tube connector that removably connect; Wherein, one end of described first tube connector is connected with air-conditioning internal machine, and the other end connects described second tube connector; Described first valve is arranged on the first tube connector;
Described second pipe comprises the 3rd tube connector and the 4th tube connector that removably connect; Wherein, one end of described 3rd tube connector is connected with outdoor machine of air-conditioner, and the other end connects described 4th tube connector; Described second valve is arranged on the 3rd tube connector; Described 4th tube connector is connected removably with the second tube connector; Wherein, described in vacuumize assembly and comprise first and vacuumize assembly, described first vacuumizes assembly is connected with described second tube connector; And/or described first vacuumizes assembly and is connected with described 4th tube connector.
Preferably, described first vacuum subassembly is connected removably with described second tube connector; And/or first vacuum subassembly be connected removably with described 4th tube connector.
Preferably, described in vacuumize assembly and also comprise second and vacuumize assembly, described second vacuumizes assembly is connected with described 3rd tube connector.
Preferably, described first vacuumize assembly and comprise manual vacuum device and the first vacuum tube; Wherein, described manual vacuum device is connected with the first vacuum tube, and the first vacuum tube is connected with described second tube connector; And/or first vacuum tube be connected with described 4th tube connector; Described second tube connector is provided with the 3rd valve close with the position of the first vacuum tube; And/or described 4th tube connector is provided with the 3rd valve in the position near the first vacuum tube.
Preferably, described second vacuumizes assembly comprises the second vacuum tube, and one end of described second vacuum tube connects described 3rd tube connector, and the other end is for connecting vacuum pumping pump.
Preferably, described second vacuum subassembly is connected removably with described 3rd tube connector, and described 3rd tube connector is provided with the 4th valve in the position near described second vacuum subassembly.
Preferably, described 3rd tube connector comprises in arm and air-conditioning equipment for being communicated with the connection pipe for internal-external unit of air-conditioning internal machine and outdoor machine of air-conditioner; Described connection pipe for internal-external unit one end is connected with described 4th tube connector, and the other end connects outdoor machine of air-conditioner; One end of described arm connects described connection pipe for internal-external unit, and the other end is connected with described second vacuum tube.
Preferably, described second pipe is connected with the pipeline in outdoor machine of air-conditioner, and described first pipeline is connected with the evaporimeter feed tube in air-conditioning internal machine or evaporimeter discharge.
On the other hand, the present invention also provides a kind of vacuum pumping method, adopts aforesaid vacuum extractor to vacuumize process to air-conditioning equipment, comprises the steps:
Internal-external machine connects machine step: air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are connected successively; Wherein, described first pipeline is connected removably with described second pipe;
Vacuumize treatment step: process is vacuumized to described air-conditioning internal machine, the first pipeline, second pipe.
Preferably, start operating procedure is also comprised after vacuumizing treatment step described in: open the air-conditioning equipment after vacuumizing process, make it run.
Preferably; when need to vacuumize the air-conditioning internal machine after process carry out fault detect test time; the described processing method that vacuumizes also comprises: internal-external machine shuts down separating step: the first valve on closed first pipeline, the second valve on second pipe; by the first pipeline and second pipe dismounting, disconnect the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
Preferably, after described internal-external machine separating step, also comprise:
Internal-external machine connects machine step again: connect described first pipeline and second pipe;
Local vacuum-pumping treatment step: process is vacuumized to the pipeline between the first valve and the second valve;
Preferably, after described local vacuum-pumping treatment step, also comprise operating procedure of again starting shooting: open the first valve, the second valve, open the air-conditioning equipment after vacuumizing process, make it run.
On the other hand, the present invention also provides a kind of air-conditioning equipment, comprising:
Air-conditioning internal machine;
Outdoor machine of air-conditioner;
Vacuum extractor described in above-mentioned any one, the second pipe of described vacuum extractor is connected with the pipeline in outdoor machine of air-conditioner, and the first pipeline of described vacuum extractor is connected with the evaporimeter feed tube in air-conditioning internal machine or evaporimeter discharge.
Compared with prior art, a kind of vacuum extractor that the embodiment of the present invention proposes, method and air-conditioning equipment, at least have following beneficial effect:
Vacuum extractor of the present invention and method can not only vacuumize process to whole air-conditioning equipment, and it is removable to have local, the feature of energy local vacuum-pumping process.When air-conditioning internal machine is dismantled by needs, only vacuum plant partial disassembly can need be realized, to guarantee that air-conditioning internal machine and the 3rd tube connector (i.e. inside and outside captain's tube connector) are in closed vacuum state; When again the air-conditioning internal machine after dismounting being carried out internal-external machine connection, only need carry out local vacuum-pumping to disassembling part position, local.Therefore, compared with prior art, this mode that vacuumizes improves and vacuumizes treatment effeciency, has saved and has vacuumized cost, reduced labour intensity.For the performance test of air-conditioning model machine, this mode that vacuumizes of the present embodiment simplifies connecting leg test step, reduces testing cost, improves testing efficiency, accelerates the progress of project testing group.
In addition, air-conditioning equipment of the present invention comprises above-mentioned vacuum extractor, in like manner also there is local removable, the feature of energy local vacuum-pumping process, thus conveniently carry out vacuumizing process, conveniently carry out vacuumizing process in the installation of air-conditioning equipment, performance test and maintenance process, and it is low to vacuumize cost.
Accompanying drawing explanation
The structural representation of a kind of vacuum extractor that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 for vacuum extractor that the embodiment of the present invention provides be connected with air-conditioning internal machine, outdoor machine of air-conditioner after schematic diagram;
The partial schematic diagram of the vacuum extractor that Fig. 3 provides for the 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.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with preferred embodiment, to a kind of vacuum extractor proposed according to the present invention and method and air-conditioning equipment detailed description of the invention, feature and effect thereof, be described in detail as follows.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of vacuum extractor, and this vacuum extractor is used for vacuumizing process to air-conditioning equipment.Shown in figure 1, this vacuum extractor comprises the first pipeline 3, second pipe 4 and vacuumizes assembly.Wherein, the first pipeline 3 is for connecting evaporimeter feed tube or the evaporimeter discharge of air-conditioning internal machine 1 in air-conditioning equipment.First pipeline 3 is provided with the first valve 311, for controlling being communicated with of the first pipeline and air-conditioning internal machine.Second pipe 4 for connecting the outdoor machine of air-conditioner 2 in air-conditioning equipment, and second pipe 4 is provided with the second valve 411.Wherein, the first pipeline 3 is connected removably with second pipe 4; Vacuumize assembly can realize vacuumizing process to the first pipeline 3, second pipe 4 and connected air-conditioning equipment, and vacuumize assembly and can also realize only vacuumizing process to the pipeline between the first valve and the second valve.
When adopting the vacuum extractor of the present embodiment to vacuumize process to air-conditioning equipment, after the first pipeline of air-conditioning internal machine, vacuum extractor, second pipe and outdoor machine of air-conditioner being connected according to above-mentioned connected mode, vacuum extractor is adopted to vacuumize process to the first pipeline, second pipe and air-conditioning equipment, after vacuumizing process, air-conditioning equipment is directly started shooting and is run.
If when carrying out performance test to air-conditioning model machine (or the process such as maintenance, do not do concrete restriction at this), first by above-mentioned steps air-conditioning model machine carried out to first time vacuumizes process, start runs.Find to need to carry out fault detect test to air-conditioning internal machine in air-conditioning model machine running, namely need to pull down air-conditioning internal machine and carry out fault detect test, like this only need close the first valve, the second valve, the first pipeline and second pipe are taken apart.After air-conditioning internal machine fault detect off-test, the first pipeline, second pipe are connected, and only the pipeline (part first pipeline, part second pipe) between the first valve, the second valve is vacuumized with vacuumizing assembly.After vacuumizing, open the first valve, the second valve, continue start and run.
As can be seen from vacuum above, it is removable that the vacuum extractor that the present embodiment provides has local, the feature of energy local vacuum-pumping process.When air-conditioning internal machine is dismantled by needs, only vacuum plant partial disassembly can need be realized, then when the air-conditioning internal machine after dismounting being carried out internal-external machine connection, only need carry out local vacuum-pumping to disassembling part position, local.Therefore, compared with prior art, this mode that vacuumizes improves and vacuumizes treatment effeciency, has saved and has vacuumized cost, reduced labour intensity.For the performance test of air-conditioning model machine, this mode that vacuumizes of the present embodiment reduces testing cost, improves testing efficiency, reduces in test process, the down time of other air-conditioning model machines to be measured.
In addition, vacuumizing assembly and both can vacuumize process to the first pipeline, second pipe and air-conditioning internal machine whole system in the present embodiment, also only can vacuumize process to the pipeline between the first valve, the second valve.For realizing this object, can be designed to as under type (can with reference to content as described in following embodiment).
Embodiment 2
Preferably, the present embodiment provides a kind of vacuum extractor, compared with a upper embodiment, can with reference to shown in figure 1 and Fig. 2, and in the present embodiment, the first pipeline 3 of vacuum extractor comprises the first tube connector 31 and the second tube connector 32 removably connected; Wherein, one end of the first tube connector 31 is connected with air-conditioning internal machine 1 (being connected with the evaporimeter feed tube of air-conditioning internal machine or evaporimeter discharge), and the other end connects the second tube connector 32; First valve 311 is arranged on the first tube connector 31.Second pipe 4 comprises the 3rd tube connector 41 and the 4th tube connector 42 that removably connect; Wherein, one end of the 3rd tube connector 41 is connected with outdoor machine of air-conditioner 2, and the other end connects the 4th tube connector 42; Second valve 411 is arranged on the 3rd tube connector 41; 4th tube connector 42 is connected removably with the second tube connector 32.Wherein, vacuumize assembly and comprise first and vacuumize assembly 51, first vacuumizes assembly 51 is connected with the second tube connector 32; And/or first vacuumizes assembly 51 and is connected with the 4th tube connector 42.
The present embodiment is by so arranging, and on the one hand, first vacuumizes assembly can vacuumize process to whole system; On the other hand, when closedown first valve, the second valve, first vacuumizes assembly only can vacuumize process to the second tube connector and/or the 4th tube connector.By such design, only need one to vacuumize assembly and just can realize vacuumizing process to air-conditioning equipment, the first pipeline and second pipe whole system, local vacuum-pumping process can also be realized.Therefore, this mode that vacuumizes further increases and vacuumizes treatment effeciency, has saved and has vacuumized cost, reduced labour intensity.For the performance test of air-conditioning model machine, this mode that vacuumizes of the present embodiment reduces testing cost, improves testing efficiency.
At this, first tube connector is connected removably with the second tube connector, the 3rd tube connector and the 4th tube connector, the convenient placement when vacuum plant does not use on the one hand, on the other hand the first tube connector and the second tube connector are connected removably when making to need again to overhaul air-conditioning internal machine, close the first valve, the second valve, take the connection of the second tube connector and the 4th tube connector apart.If take the first tube connector and the second tube connector again apart, make the more convenient maintenance of staff or failure proof.
Preferably, first vacuumize assembly and be connected removably with the second tube connector 32; And/or first vacuumizes assembly 51 and is connected removably with the 4th tube connector 42.By such design, when interior machine being carried out dismounting and carry out fault detect test, when taking the connection of the first pipeline and second pipe apart, just the first vacuum subassembly can be removed, first vacuum subassembly is vacuumized other air-conditioning model machines, and for the performance test of air-conditioning model machine, this mode that vacuumizes further increases testing efficiency, reduce in test process, the down time of other air-conditioning model machines to be measured.
Embodiment 3
Preferably, the present embodiment provides a kind of vacuum extractor, and as shown in Figure 2, compared with above-described embodiment, the assembly that vacuumizes in the present embodiment also comprises second and vacuumizes assembly 52, and second vacuumizes assembly 52 is connected with the 3rd tube connector 41.
The thinking that the present embodiment is arranged like this is, adopts second to vacuumize assembly and vacuumizes process for realizing to whole pipeline and air-conditioning internal machine, and make first vacuumize assembly only to being positioned at the first valve, the pipeline at the second valve place carries out application of vacuum.Preferably, second vacuumizes assembly 52 is connected removably with the 3rd tube connector 41, and the 3rd tube connector 41 is provided with the 4th valve 412 in the position near the second vacuum subassembly.By such setting, make first to vacuumize assembly, second and vacuumize the assembly division of labor clearly, be independent of each other, to whole pipeline and air-conditioning internal machine vacuumize process after, can be removed, make it vacuumize other air-conditioning model machines to process, vacuumize process and air-conditioning model machine amount detection to improve.
Preferably, the present embodiment provides a kind of vacuum extractor, as shown in Figure 2, second vacuumize assembly 52 comprise the second vacuum tube 521, second vacuum tube 521 one end connect the 3rd tube connector 41, the other end is for connecting vacuum pumping pump 522.
Embodiment 4
Preferably, the present embodiment provides a kind of vacuum extractor, and shown in figure 1 and Fig. 2, compared with embodiment 3, first vacuumizes assembly 51 comprises manual vacuum device 512 and the first vacuum tube 511; Wherein, manual vacuum device 512 is connected with the first vacuum tube 511, and the first vacuum tube 511 is connected with the second tube connector 32; And/or first vacuum tube 511 be connected with the 4th tube connector 42.
Because the first vacuum subassembly is only responsible for vacuumizing process to the second tube connector and the 4th tube connector, and the second tube connector, the 4th tube connector are relative to whole passage, its length is shorter, so be set to manual vacuum device, only need operating personnel's simple manual action, need not re-use electrodynamic pump, so further saving vacuumizes cost and air-conditioning Prototype Test cost.
Preferably, the second tube connector 32 is provided with the 3rd valve 321 in the position being close to the first vacuum tube 511; And/or the 4th tube connector 42 position of the first vacuum tube 511 is being provided with another the 3rd valve 421.On the one hand can control the first vacuum subassembly by arranging valve system is vacuumized, on the other hand after removing the first vacuum subassembly, the effect of sealing can be played, to guarantee the vacuum of system.
Embodiment 5
Preferably, the present embodiment provides a kind of vacuum extractor, as shown in Figure 3, compared with above-described embodiment, the 3rd tube connector 41 in the present embodiment comprise arm 414 with in air-conditioning equipment for being communicated with the connection pipe for internal-external unit 415 (i.e. inside and outside captain's tube connector) of air-conditioning internal machine and outdoor machine of air-conditioner; Described connection pipe for internal-external unit 415 one end is connected with the 4th tube connector 42, and the other end connects outdoor machine of air-conditioner 2.One end of arm 414 connects connection pipe for internal-external unit 415, and the other end is connected with the second vacuum tube 521.Wherein, the 4th valve 412 is arranged on arm 414.In addition, the 5th valve 413 is also provided with at connection pipe for internal-external unit 415 and the junction of outdoor machine of air-conditioner interior conduit.
Captain's tube connector inside and outside in air-conditioning equipment is used in vacuum extractor by the present embodiment, not only saves pipeline like this, and meets air-conditioning actual operation requirements.
Embodiment 6
The present embodiment provides a kind of vacuum pumping method, and this vacuum pumping method is used for vacuumizing process to air-conditioning equipment, comprises the steps:
(1) internal-external machine connects machine step: air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are connected successively; Wherein, the first pipeline is connected removably with described second pipe.
Preferably, as shown in Figure 4, this step is specially and evaporimeter feed tube in air-conditioning internal machine 1 or evaporimeter discharge is connected with the first pipeline 3 by nut assembly, is connected by the first pipeline 3 with second pipe 4 by nut assembly; Second pipe is connected with outdoor machine of air-conditioner 2 by outer machine attaching nut, thus realizes the connection of internal-external machine.Wherein, the state after connection as shown in Figure 4.Wherein, the air-conditioning equipment model machine of Fig. 4 state directly can carry out appearing on the stage performance test.
(2) treatment step is vacuumized: process is vacuumized to air-conditioning system pipeline, as vacuumized process to air-conditioning internal machine, the first pipeline, second pipe.
Preferably, this step is specially, and is connected to by vacuum pumping pump in system pipeline, vacuumizes process to the first pipeline, second pipe and air-conditioning internal machine, makes whole pipe-line system meet vacuum level requirements.As shown in Figure 5, in whole dashed rectangle region, pipeline is vacuum state, and now, the first valve 311, second valve 411, the 4th valve 412 are in opening, and the 3rd valve 321, another the 3rd valve 421 and the 5th valve 413 are in closed condition.Vacuum pumping pump can be removed after vacuumizing process, such vacuum pumping pump can be used for the experiment of other air-conditioner set.
Preferably, vacuumize treatment step after can carry out following step:
(3) start operating procedure: open the air-conditioning equipment after vacuumizing process, make it run.
Preferably, this step is specially, and the first valve 311, second valve 411, the 5th valve 413 is opened, and closes the 3rd valve 321, another the 3rd valve 421 and the 4th valve 412.Start runs, now outer machine refrigerant reaches interior machine evaporator pipeline by the 5th valve 413, second valve 411, first valve 311, if evaporimeter feed tube (or discharge) connects equally in this way, can realize the circulation of refrigerant, model machine normally runs.
Preferably, when need to vacuumize the air-conditioning internal machine after process carry out fault detect test time, the above-mentioned processing method that vacuumizes also comprises:
(4) internal-external machine shuts down separating step: close the first valve on the first pipeline, the second valve on second pipe, by the first pipeline and second pipe dismounting, disconnects the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
This step is specially: as shown in Figure 4, after making the first valve 311, second valve 411, the 3rd valve 321, another the 3rd valve 421, the 4th valve 412 and the 5th valve 413 be in closed condition, take the connection of the first pipeline and second pipe apart, realize being separated of air-conditioning internal machine and outdoor machine of air-conditioner.Can by outer for refrigerant suction in pipeline machine compressor owing to shutting down rear compressor, remaining less refrigerant in pipeline, pressure is less; air-conditioning internal machine can be left office and be torn machine examination open and test experiment fault; outdoor machine of air-conditioner still needs connection the 3rd tube connector, but is still in vacuum state in the 3rd tube connector, does not enter air.
In order to more convenient, fault detect test is carried out to air-conditioning internal machine, the first tube connector and the second tube connector can be taken apart.
(5) internal-external machine connects machine step again: connect the first pipeline and second pipe.
Preferably, by attaching nut's assembly, the first pipeline is connected with second pipe.
(6) local vacuum-pumping treatment step: process is vacuumized to the pipeline between the first valve and the second valve.Vacuumize assembly to connect first in the pipeline place between the first valve, the second valve, as shown in Figure 6.
The 3rd valve 321, another the 3rd valve 421 (now the first valve 311, second valve 411 is all in closed condition) is opened after connecting pipeline, very little relative to the 3rd tube connector inner space, pumpdown time is short, need not be energized driving, vacuum section is as Fig. 6 dashed rectangle place, and air is taken out to the greatest extent, closes the 3rd valve 321, another the 3rd valve 421, unclamp attaching nut's assembly, remove manual vacuum device (also can remove).
(7) again to start shooting operating procedure: open the first valve, the second valve, open the air-conditioning equipment after vacuumizing process, make it run.
Now pipeline connects recovery Fig. 4 state again, 3rd valve 321, another the 3rd valve 421, the 4th valve 412 are in closed condition, first valve 311, second valve 411 and the 5th valve 413 are in opening, start runs, now outer machine refrigerant reaches interior machine evaporator pipeline by the 5th valve 413, second valve 411, first valve 311, can realize the circulation of refrigerant, air-conditioning model machine normally runs.
Embodiment 7
The present embodiment provides a kind of air-conditioning equipment, and shown in figure 2, this air-conditioning equipment comprises: the vacuum extractor of air-conditioning internal machine 1, outdoor machine of air-conditioner 2 and above-mentioned any embodiment.The second pipe of vacuum extractor is connected with the pipeline in outdoor machine of air-conditioner, and the first pipeline of described vacuum extractor is connected with the evaporimeter feed tube in air-conditioning internal machine or evaporimeter discharge.
The air-conditioning equipment that the present embodiment provides conveniently carries out vacuumizing process, conveniently carry out vacuumizing process, and it is low to vacuumize cost in the installation of air-conditioning equipment, performance test and maintenance process.
To sum up, it is removable that the vacuum extractor that the embodiment of the present invention provides, method and air-conditioning equipment have local, the feature of energy local vacuum-pumping process.When air-conditioning internal machine is dismantled by needs, only vacuum plant partial disassembly can need be realized, to guarantee that air-conditioning internal machine and the 3rd tube connector (i.e. inside and outside captain's tube connector) are in closed vacuum state; When again the air-conditioning internal machine after dismounting being carried out internal-external machine connection, only need carry out local vacuum-pumping to disassembling part position, local.Therefore, compared with prior art, this mode that vacuumizes improves and vacuumizes treatment effeciency, has saved and has vacuumized cost, reduced labour intensity.For the performance test of air-conditioning model machine, this mode that vacuumizes of the present embodiment simplifies connecting leg test step, reduces testing cost, improves testing efficiency, accelerates the progress of project testing group.
Those skilled in the art are it is easily understood that under the prerequisite of not conflicting, and above-mentioned each advantageous manner freely can combine, superpose.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (14)
1. a vacuum extractor, is characterized in that, for vacuumizing process to air-conditioning equipment, this vacuum extractor comprises:
First pipeline, described first pipeline for connecting air-conditioning internal machine, and described first pipeline is provided with the first valve;
Second pipe, described second pipe for connecting outdoor machine of air-conditioner, and described second pipe is provided with the second valve; Wherein, described first pipeline is connected removably with described second pipe;
Vacuumize assembly, described in vacuumize assembly and can realize vacuumizing process to the first pipeline, second pipe and connected air-conditioning equipment; And described in vacuumize assembly and can realize only vacuumizing process to the pipeline between the first valve and the second valve.
2. vacuum extractor according to claim 1, is characterized in that, described first pipeline comprises the first tube connector and the second tube connector that removably connect; Wherein, one end of described first tube connector is connected with air-conditioning internal machine, and the other end connects described second tube connector; Described first valve is arranged on the first tube connector;
Described second pipe comprises the 3rd tube connector and the 4th tube connector that removably connect; Wherein, one end of described 3rd tube connector is connected with outdoor machine of air-conditioner, and the other end connects described 4th tube connector; Described second valve is arranged on the 3rd tube connector;
Wherein, described 4th tube connector is connected removably with the second tube connector;
The described assembly that vacuumizes comprises first and vacuumizes assembly, and described first vacuumizes assembly is connected with described second tube connector; And/or described first vacuumizes assembly and is connected with described 4th tube connector.
3. vacuum extractor according to claim 2, is characterized in that, described first vacuumizes assembly is connected removably with described second tube connector; And/or first vacuum subassembly be connected removably with described 4th tube connector.
4. vacuum extractor according to claim 2, is characterized in that, described in vacuumize assembly and also comprise second and vacuumize assembly, described second vacuumizes assembly is connected with described 3rd tube connector.
5. vacuum extractor according to claim 4, is characterized in that, described first vacuumizes assembly comprises manual vacuum device and the first vacuum tube; Wherein, described manual vacuum device is connected with the first vacuum tube, and the first vacuum tube is connected with described second tube connector; And/or first vacuum tube be connected with described 4th tube connector;
Described second tube connector is provided with one the 3rd valve in the position being close to the first vacuum tube; And/or described 4th tube connector is provided with another the 3rd valve in the position near the first vacuum tube.
6. vacuum extractor according to claim 4, is characterized in that, described second vacuumizes assembly comprises the second vacuum tube, and one end of described second vacuum tube connects described 3rd tube connector, and the other end is for connecting vacuum pumping pump.
7. vacuum extractor according to claim 4, it is characterized in that, described second vacuumizes assembly is connected removably with described 3rd tube connector, and described 3rd tube connector is being provided with the 4th valve near described second position vacuumizing assembly.
8. vacuum extractor according to claim 6, is characterized in that, described 3rd tube connector comprises in arm and air-conditioning equipment for being communicated with the connection pipe for internal-external unit of air-conditioning internal machine and outdoor machine of air-conditioner; Described connection pipe for internal-external unit one end is connected with described 4th tube connector, and the other end connects outdoor machine of air-conditioner;
One end of described arm connects described connection pipe for internal-external unit, and the other end is connected with described second vacuum tube.
9. a vacuum pumping method, is characterized in that, adopts the vacuum extractor described in any one of claim 1-8 to vacuumize process to air-conditioning equipment, comprises the steps:
Internal-external machine connects machine step: air-conditioning internal machine, the first pipeline, second pipe and outdoor machine of air-conditioner are connected successively; Wherein, described first pipeline is connected removably with described second pipe;
Vacuumize treatment step: process is vacuumized to described air-conditioning internal machine, the first pipeline, second pipe.
10. vacuum pumping method according to claim 9, is characterized in that, described in vacuumize treatment step after also comprise:
Start operating procedure: open the air-conditioning equipment after vacuumizing process, make it run.
11. vacuum pumping methods according to claim 10, is characterized in that, when need to vacuumize the air-conditioning internal machine after process carry out fault detect test time, described in vacuumize processing method and also comprise:
Internal-external machine shuts down separating step: the first valve on closed first pipeline, the second valve on second pipe, by the first pipeline and second pipe dismounting, disconnects the connection of air-conditioning internal machine and outdoor machine of air-conditioner.
12. vacuum pumping methods according to claim 11, is characterized in that, described internal-external machine also comprises after shutting down separating step:
Internal-external machine connects machine step again: connect described first pipeline and second pipe;
Local vacuum-pumping treatment step: process is vacuumized to the pipeline between the first valve and the second valve.
13. vacuum pumping methods according to claim 12, is characterized in that, after described local vacuum-pumping treatment step, also comprise:
Again to start shooting operating procedure: open the first valve, the second valve, open the air-conditioning equipment after vacuumizing process, make it run.
14. 1 kinds of air-conditioning equipments, is characterized in that, comprising:
Air-conditioning internal machine;
Outdoor machine of air-conditioner;
Vacuum extractor described in any one of claim 1-8, the second pipe of described vacuum extractor is connected with the pipeline in outdoor machine of air-conditioner, and the first pipeline of described vacuum extractor is connected with the evaporimeter feed tube in air-conditioning internal machine or evaporimeter discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510571822.XA CN105222426B (en) | 2015-09-08 | 2015-09-08 | Vacuum extractor, method and air-conditioning equipment |
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| CN201510571822.XA CN105222426B (en) | 2015-09-08 | 2015-09-08 | Vacuum extractor, method and air-conditioning equipment |
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| CN105222426A true CN105222426A (en) | 2016-01-06 |
| CN105222426B CN105222426B (en) | 2017-11-28 |
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| Publication number | Publication date |
|---|---|
| CN105222426B (en) | 2017-11-28 |
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