CN110702435B - Air condensing units test system - Google Patents
Air condensing units test system Download PDFInfo
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- CN110702435B CN110702435B CN201910777072.XA CN201910777072A CN110702435B CN 110702435 B CN110702435 B CN 110702435B CN 201910777072 A CN201910777072 A CN 201910777072A CN 110702435 B CN110702435 B CN 110702435B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
Abstract
The invention belongs to the field of outdoor unit testing, and particularly relates to an air conditioner outdoor unit testing system integrating three processes of vacuumizing, filling and testing, which comprises the following steps: at least one set of test elements, each set of test elements comprising: the system comprises a vacuumizing device, a filling device, a standard indoor unit and at least one control assembly, wherein each control assembly is provided with an outlet connector and at least three groups of inlet connectors, one group of inlet connectors are used for being connected with a filling pipeline of the filling device, the other group of inlet connectors are used for being connected with a vacuum pipeline of the vacuumizing device, the rest group of inlet connectors are used for being connected with a test pipeline of the standard indoor unit, and the outlet connectors are used for being connected with a test interface of an outdoor unit to be tested; and the control assembly is used for controlling other inlet connectors to be closed when one group of the inlet connectors is opened, and the test system provided by the embodiment reduces the times of plugging and unplugging the connectors in the test process.
Description
Technical Field
The invention relates to an air conditioner testing technology, in particular to an air conditioner outdoor unit testing system.
Background
An air conditioner is a refrigeration/heating device commonly used in daily life, wherein during the production of the air conditioner, particularly after refrigerant is poured into an outdoor unit (particularly a digital machine and a frequency converter unit) of the air conditioner, the working performance of the outdoor unit filled with the refrigerant needs to be tested (an indoor unit with corresponding refrigerating capacity is used for testing).
When the existing air conditioner outdoor unit is tested: firstly, a pipeline joint of a vacuum pump is spliced with an interface of an outdoor unit to vacuumize the outdoor unit, when the vacuum degree meets the requirement, the pipeline joint of the vacuum pump is pulled out from the interface connected with the outdoor unit, then the pipeline joint of a perfusion unit is spliced with an interface connected with the outdoor unit, a refrigerant is perfused into the outdoor unit, after the perfusion is finished, the pipeline joint of the perfusion unit is pulled out from the interface of the outdoor unit, finally, the outdoor unit is placed on a test station to be tested, specifically, the joint of an indoor unit is spliced with the interface of the outdoor unit again, after the test is finished, the joint of the indoor unit is pulled out from the interface of the outdoor unit, and the test is finished.
However, in the above testing process, after vacuum pumping and filling, the quick connector needs to be inserted again to connect with the operating indoor unit, but air, water vapor and foreign matters enter the refrigeration system in the process of multiple insertion and extraction, which easily causes the quality problems of poor refrigeration/heating effect of the air conditioner, high failure rate of the compressor, and the like.
Disclosure of Invention
The invention provides a test system for an air conditioner outdoor unit, which is used for solving the problems in the prior art or other potential problems.
The invention provides an air conditioner outdoor unit test system, which is used for testing an outdoor unit to be tested and comprises the following components: at least one set of test elements, each set of test elements comprising:
the system comprises a vacuumizing device, a filling device, a standard indoor unit and at least one control assembly, wherein each control assembly is provided with an outlet connector and at least three groups of inlet connectors, one group of inlet connectors are used for being connected with a filling pipeline of the filling device, the other group of inlet connectors are used for being connected with a vacuum pipeline of the vacuumizing device, the rest group of inlet connectors are used for being connected with a testing pipeline of the standard indoor unit, and the outlet connectors are used for being connected with a testing interface of the outdoor unit to be tested;
and the control assembly is used for controlling the rest of the inlet joints to be closed when one group of the inlet joints is opened.
In the preferable technical scheme of the air conditioner outdoor unit testing system, each group of the inlet connectors is provided with a control switch, and the control switch is used for controlling the opening and closing of the inlet connectors.
In a preferred technical solution of the above air conditioner outdoor unit testing system, each set of the inlet joint includes two inlet sub-joints, the outlet joint includes two outlet sub-joints, and each inlet sub-joint has the control switch.
And two inlet sub-joints in a group of inlet joints used for being connected with the standard indoor unit in the control assembly are respectively connected with the two outlet sub-joints through a first pipeline and a second pipeline.
Two inlet sub-connectors of a group of inlet connectors used for being connected with the perfusion device in the control assembly are connected with one outlet sub-connector through the first pipeline or the second pipeline.
And two inlet sub-joints in a group of inlet joints used for being connected with the vacuum pumping device in the control assembly are respectively connected with the two outlet sub-joints through the first pipeline and the second pipeline.
The perfusion device is provided with at least four groups of perfusion pipelines, and one group of inlet connectors in each control assembly is used for being connected with one group of perfusion pipelines.
The vacuum-pumping device is provided with at least two groups of vacuum pipelines, and one group of inlet joints in each control assembly is used for being connected with one group of vacuum pipelines.
Each group of test units comprises one perfusion device, two vacuumizing devices, four standard indoor units and four control assemblies.
The test station is used for placing the outdoor unit to be tested.
The filling pipeline is a high-pressure pipeline, and the vacuum pipeline is a low-pressure pipeline.
And one ends of the filling pipeline, the vacuum pipeline and the test pipeline, which are connected with the inlet joint, are provided with plug terminals, and the plug terminals are in plug fit with the inlet joint.
The technical personnel in the field can understand that the invention provides a test system of an air conditioner outdoor unit, which integrates three processes of evacuation/gas injection/test by comprising a control assembly, wherein the control assembly controls the on/off of each inlet joint, and the processes of vacuumizing, filling and testing can be completed by plugging and unplugging the joints once during testing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an air conditioner provided by the present invention;
fig. 2 is a schematic structural diagram of a testing system of an outdoor unit of an air conditioner according to an embodiment;
FIG. 3 is an enlarged schematic view of the control assembly of FIG. 2;
fig. 4 is a schematic structural diagram of a test unit in the air conditioner outdoor unit test system provided in this embodiment.
In the drawings: 100. a test unit; 10. a filling device; 11. filling a pipeline; 20. a vacuum pumping device 21 and a vacuum pipeline; 30. a standard indoor unit; 21. testing the pipeline; 40. a control component; 41. a first pipeline; 42. a second pipeline; 43a, 43b, 43c, inlet fitting; 431a, 432a, 431b, 432b, 431c, 432c, an inlet sub-joint; 43d, outlet connection; 431d, 432d, an outlet sub-joint; 44. a control switch; 50. an outdoor unit to be tested; 51. a test interface; 101. an evaporator; 102. a fan; 201. a stop valve; 202. a single-phase valve; 203. a capillary tube; 204. drying the filter; 205. an axial flow fan; 206. a condenser; 207. a four-way valve; 208. a compressor; 209. a liquid storage separator; 210. a low voltage switch; 211. a high-voltage switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated is implicitly. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be understood that the terms "inner", "outer", "upper", "bottom", "front", "rear", and the like, when used, refer to the orientation or positional relationship shown in the drawings, which are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting.
A currently commonly used air conditioner mainly includes an outdoor unit and an indoor unit, fig. 1 is a schematic structural diagram of the air conditioner provided in this embodiment, and is shown in fig. 1, where the outdoor unit and the indoor unit are connected through a copper pipe, the indoor unit mainly includes an evaporator 101 and a fan 102, a pipeline connected to the indoor unit in the outdoor unit is provided with a stop valve 201 and a single-phase valve 202, the outdoor unit includes a capillary 203, a drying filter 204, an axial flow fan 205, a condenser 206, a four-way valve 207, a compressor 208, a liquid storage separator 209, a low-voltage switch 210, and a high-voltage switch 211, and a refrigeration principle is shown by a solid arrow in fig. 1, and specifically includes: I. when the air conditioner is in operation, the compressor 208 sucks in low-temperature and low-pressure refrigerant vapor of the evaporator 101, compresses the refrigerant vapor into high-temperature and high-pressure refrigerant gas, and discharges the refrigerant gas into the condenser 206; II. Under the condition of constant pressure, the refrigerant gas with high temperature and high pressure is cooled by the cooling medium (air) in the condenser 206, releases heat, reduces the temperature, is further condensed into liquid, and is discharged from the condenser 206; III, the high-pressure refrigerant liquid is throttled and depressurized through the capillary 203, so that part of the refrigerant is refrigerated and gasified, latent heat of gasification is absorbed, the temperature is reduced, the refrigerant becomes low-pressure and low-temperature wet vapor (most of the vapor is liquid), and the low-pressure and low-temperature wet vapor enters the evaporator 101; IV, in the evaporator 101, the refrigerant absorbs heat of the refrigerant (air) to be cooled and is evaporated and gasified under a constant pressure, and the refrigerant is sucked by the compressor into low-temperature and low-pressure vapor, and the refrigerant is blown out by the fan, thereby circulating the process. Accordingly, heating is shown by the dashed arrows in fig. 1.
The technical solution of the present embodiment will be described below with an outdoor unit as a test object, but it should be understood by those skilled in the art that the structural improvement in the following may be directly or simply changed and applied to an outdoor unit of other structural types, and is not limited to the outdoor unit in the air conditioner shown in fig. 1.
Fig. 2 is a schematic structural diagram of a testing system of an outdoor unit of an air conditioner according to this embodiment; fig. 3 is an enlarged schematic view of the control assembly of fig. 2.
Referring to fig. 2 and 3, the present embodiment provides an air conditioner outdoor unit testing system, including: at least one set of test units 100, for example, the test system may include one set of test units 100, or may include two or more sets of test units 100, where each set of test units 100 includes: the vacuum pumping device 20, the perfusion device 10, the standard indoor unit 30 and the at least one control unit 40, and each control unit 40 has an outlet connector 43d and at least three inlet connectors (such as an inlet connector 43a, an inlet connector 43b and an inlet connector 43c), that is, in this embodiment, the control unit 40 has one outlet connector and three or more inlet connectors, and the outlet connector 43d is used for connecting with a test interface 51 of the outdoor unit 50 to be tested, in this embodiment, the test interface 51 of the outdoor unit 50 to be tested is specifically an interface connected with the indoor unit in fig. 1. Of the at least three sets of inlet fittings, one set of inlet fittings 43a is used for connecting with the infusion line 11 of the infusion set 10, the other set of inlet fittings 43b is used for connecting with the vacuum line 21 of the vacuum extractor 20, and the remaining set (i.e. the third set) of inlet fittings 43c is used for connecting with the test line 31 of the standard indoor unit 30.
In this embodiment, specifically, as shown in fig. 3, the control component 40 shows three sets of inlet connectors, namely an inlet connector 43a, an inlet connector 43b and an inlet connector 43c, wherein the inlet connector 43a is connected to the perfusion tube 11 of the perfusion apparatus 10, the inlet connector 43b is connected to the vacuum tube 21 of the vacuum pumping apparatus 20, and the inlet connector 43c is connected to the test tube 31 of the standard indoor unit 30, wherein the test tube 31 of the standard indoor unit 30 is specifically two tubes connecting the indoor unit and the outdoor unit, so that during testing, because the vacuum pumping apparatus 20, the perfusion apparatus 10 and the standard indoor unit 30 are connected to the outdoor unit 50 to be tested through the inlet connector 43a, the inlet connector 43b and the inlet connector 43c of the control component 40, respectively, during testing, the vacuum pumping apparatus 20, the perfusion apparatus 10 and the standard indoor unit 30 are simultaneously connected to the outdoor unit 50 to be tested through the control component 40, in other words, in this embodiment, the control unit 40 integrates the vacuum pumping device 20, the filling device 10, and the standard indoor unit 30 together to test the outdoor unit 50 to be tested.
In this embodiment, in order to ensure that the vacuum pumping, the filling and the testing are performed in sequence, in this embodiment, the control assembly 40 is configured to control the other inlet connectors to be closed when one group of the inlet connectors is opened, so that during the testing, the vacuum pumping is performed first, so that the control assembly 40 controls the inlet connector 43b to be opened, and controls the inlet connector 43a and the inlet connector 43c to be closed, so that the inlet connector 43b is communicated with the outlet connector 43d, and the inlet connector 43a and the inlet connector 43c are not communicated with the outlet connector 43d, that is, the vacuum pipeline 21 is communicated with the pipeline of the outdoor unit 50 to be tested, the filling pipeline 11 and the testing pipeline 31 are closed with the pipeline of the outdoor unit 50 to be tested, at this time, the vacuum pumping device 20 is started, the outdoor unit 50 to be tested is subjected to vacuum pumping, the vacuum degree is tested, and after the standard is reached, the vacuum pumping device 20 is shut down, and the vacuum pumping is completed; then, the inlet joint 43b is closed, the inlet joint 43a is opened, the inlet joint 43c is still in a closed state, the pipeline of the standard indoor unit 30 is closed, the pipeline of the filling device 10 and the pipeline of the outdoor unit 50 to be tested are conducted, the model is identified, the filling amount is determined, automatic filling is performed, and filling is finished; finally, the inlet connector is still kept in a closed state, the inlet connector 43a is closed, the inlet connector 43c is opened, the testing pipeline 31 is conducted with the outdoor unit 50 to be tested, the vacuum pipeline 21 of the vacuum pumping device 20 and the filling pipeline 11 of the filling device 10 are closed, the standard indoor unit 30 sends out a starting signal, and a heating test is started: the outdoor unit 50 to be tested starts heating operation, and compares and judges the upper limit and the lower limit according to the heating operation pressure, power and air outlet temperature data and system setting, and when the heating is qualified, a refrigerating reversing instruction and a refrigerating test are carried out: and (3) starting refrigeration, comparing and judging the data with upper and lower limits set by a system according to the refrigeration running pressure, power and air outlet temperature, receiving the refrigerant when the refrigeration is qualified, setting the pressure of 0.1MPa of the standard indoor unit 30, closing the inlet connector 43c when the pressure reaches 0.1MPa, keeping the 0.1MPa refrigerant in the standard indoor unit 30, stopping the power supply system on the outdoor unit 50 to be tested after the refrigerant is received, completing the detection, closing the test pipeline 31 of the standard indoor unit 30 and the perfusion pipeline 11 of the perfusion device 10, opening the inlet connector 43b, conducting the vacuum pipeline 21 of the vacuumizing device 20 and the pipeline of the outdoor unit 50 to be tested, evacuating, and circulating the next outdoor unit 50 to be tested.
In this embodiment, the vacuum pumping device 20 is a vacuum pump, and the filling device 10 is a filling machine.
In this embodiment, through including control assembly 40, will find time/gas injection/test three processes integration together like this, and control assembly 40 controls the open/close of each access connection, during the test, only need once plug joint just to accomplish evacuation, fill and test procedure, whole test procedure plug number of times is few, the air of having avoided repeated plug joint to lead to, steam, foreign matter get into the system and lead to the problem that refrigeration/heating effect is poor, the press trouble, the test system of the air condensing units that this embodiment provided has improved efficiency of software testing, the production efficiency of outdoor unit has been ensured.
In a possible implementation manner, each group of the inlet connectors has a control switch 44, the control switch 44 is used for controlling the opening and closing of the inlet connector, for example, the control switches 44 are respectively disposed on the inlet connector 43a, the inlet connector 43b and the inlet connector 43c, so that when the control switch 44 on the inlet connector 43a is closed, the infusion pipeline 11 of the infusion device 10 is not conducted with the outdoor unit 50 to be tested, correspondingly, the control switch 44 on the inlet connector 43b is used for controlling whether the vacuum pipeline 21 of the vacuum pumping device 20 is conducted with the outdoor unit 50 to be tested, and the control switch 44 on the inlet connector 43c is used for controlling whether the test pipeline 31 of the standard indoor unit 30 is conducted with the outdoor unit 50 to be tested. In this embodiment, the control switch 44 may be specifically a solenoid valve.
It should be understood that, in this embodiment, in addition to the control switch 44, the control switch 44 and the control switch 44 being provided on the inlet connectors 43a, 43b and 43c, the control switch 44 may be provided on the end of the infusion line 11 of the infusion set 10 connected to the inlet connector 43a, the control switch 44 on the end of the vacuum line 21 of the evacuation device 20 connected to the inlet connector 43b and the control switch 44 on the end of the test line 31 of the standard indoor unit 30 connected to the inlet connector 43 c.
In one possible implementation, each set of inlet connectors includes two inlet connectors, for example, the inlet connector 43a includes two inlet connectors 431a and 432a, respectively, the inlet connector 431a and the inlet connector 432a are respectively connected to the two perfusion pipelines 11 of the perfusion apparatus 10, the inlet connector 43b includes two inlet connectors 431b and 432b, respectively, the inlet connector 431b and the inlet connector 432b are respectively connected to the two vacuum pipelines 21 of the vacuum pumping device 20, the inlet connector 43c includes two inlet connectors 431c and 432c, respectively, the inlet connector 431c and the inlet connector 432c are respectively connected to the two test pipelines 31 of the standard indoor unit 30, the outlet connector 43d includes two outlet connectors, the outlet connector 431d and the outlet connector 432d, the outlet sub-connector 431d and the outlet sub-connector 432d are connected to the two testing interfaces 51 of the outdoor unit 50 to be tested, and each of the inlet sub-connectors has a control switch 44 thereon, so that each control switch 44 controls the opening and closing of each of the inlet sub-connectors.
In one possible implementation, in order to connect the inlet connector to the outlet connector 43d, specifically, two inlet sub-connectors of a group of inlet connectors in the control assembly 40 used for connecting to the standard indoor unit 30 are respectively connected to two outlet sub-connectors through the first pipeline 41 and the second pipeline 42, that is, two inlet sub-connectors in the inlet connector 43c are connected to two outlet sub-connectors through the first pipeline 41 and the second pipeline 42, so that, during testing, when the control switch 44 is opened, the two testing pipelines 31 are connected to the two testing interfaces 51 of the outdoor unit 50 to be tested through the first pipeline 41 and the second pipeline 42.
Correspondingly, two inlet sub-connectors of a group of inlet sub-connectors in the control module 40 for connecting with the filling device 10 are connected to one of the outlet sub-connectors through the first pipeline 41 or the second pipeline 42, that is, two inlet sub-connectors in the inlet sub-connector 43a are connected to one of the outlet sub-connectors through the first pipeline 41 or the second pipeline 42, when filling, the control switch 44 on the inlet sub-connector 43a is opened, and two filling pipelines 11 are filled to one of the testing interfaces 51 of the outdoor unit 50 to be tested through the first pipeline 41 or the second pipeline 42.
Correspondingly, two inlet sub-joints of a group of inlet sub-joints in the control assembly 40, which are used for being connected with the vacuum pumping device 20, are connected with two outlet sub-joints through a first pipeline 41 and a second pipeline 42, respectively, that is, two inlet sub-joints in the inlet sub-joint 43b are connected with two outlet sub-joints through a first pipeline 41 and a second pipeline 42, so that during vacuum pumping, the control switch 44 on the inlet sub-joint 43b is opened, and the two vacuum pipelines 21 are conducted with two test interfaces 51 of the outdoor unit 50 to be tested through the first pipeline 41 and the second pipeline 42, so as to vacuum the outdoor unit 50 to be tested.
In a possible implementation manner, the perfusion apparatus 10 has at least four sets of perfusion pipelines 11, and one set of inlet connectors in each control component 40 is used for connecting with one set of perfusion pipelines 11, for example, when the perfusion apparatus 10 has four sets of perfusion pipelines 11, each set of perfusion pipelines 11 can be connected with one outdoor unit 50 to be tested through one control component 40, so that one perfusion apparatus 10 can simultaneously perfuse four outdoor units 50 to be tested through four control components 40, it should be noted that in this embodiment, the perfusion apparatus 10 can further have five or six sets of perfusion pipelines 11, and the number of sets of perfusion pipelines 11 on the perfusion apparatus 10 is specifically set according to an actual application.
In a possible implementation manner, the vacuum pumping device 20 has at least two sets of vacuum pipes 21, and one of the inlet connectors in each control assembly 40 is used to connect to one of the sets of vacuum pipes 21, so that when the vacuum pumping device 20 has two sets of vacuum pipes 21, each set of vacuum pipes 21 is connected to the test interface 51 of one outdoor unit 50 to be tested through one control assembly 40, so that one vacuum pumping device 20 can simultaneously vacuum at least two outdoor units 50 to be tested. In this embodiment, the standard indoor unit 30 has a set of test pipes 31.
In a possible implementation manner, fig. 4 is a schematic structural diagram of the testing unit 100 in the air conditioner outdoor unit testing system provided in this embodiment, as shown in fig. 4, each group of testing unit 100 includes a perfusion device 10, two vacuum pumping devices 20, four standard indoor units 30 and four control assemblies 40, the perfusion device 10 has four groups of perfusion pipelines 11, the vacuum pumping device 20 has two groups of vacuum pipelines 21, the four groups of perfusion pipelines 11 are respectively connected with four outdoor units 50 to be tested through the four control assemblies 40, and the four standard indoor units 30 are respectively connected with the four outdoor units 50 to be tested through the four control assemblies 40, so that the purpose of testing the four outdoor units 50 to be tested by one testing unit 100 is achieved.
In a possible implementation manner, the testing system further includes a testing station (not shown) for placing the outdoor unit 50 to be tested, that is, in this embodiment, the testing system is provided with the testing station, specifically, when each group of testing units 100 tests four outdoor units 50 to be tested, at this time, each group of testing units 100 includes four testing stations, in this embodiment, when the testing station is set, at this time, the outdoor unit 50 to be tested is placed on the same testing station to complete three processes of vacuumizing, pouring and testing, compared with the prior art, in this embodiment, because the three processes of vacuumizing, pouring and testing are integrated together, the outdoor unit 50 to be tested does not need to be moved to the testing station from the pouring station or the vacuumizing station in the testing process, that is, the outdoor unit 50 to be tested is prevented from moving the station in the testing process.
In a possible implementation manner, since the refrigerant is filled under high pressure, in this embodiment, the filling pipeline 11 is a high-pressure pipeline, and the vacuum pipeline 21 is a low-pressure pipeline, so that the filling and the vacuum pumping can be smoothly completed.
In a possible implementation manner, the ends of the filling pipeline 11, the vacuum pipeline 21 and the testing pipeline 31 connected to the inlet connector are provided with plug terminals, and the plug terminals are in plug fit with the inlet connector, so that during testing, the plug terminals on the filling pipeline 11, the vacuum pipeline 21 and the testing pipeline 31 can be directly plugged with the inlet connector 43a, the inlet connector 43b and the inlet connector 43c to complete connection, and when testing is finished, the outlet connector 43d is pulled out of the testing interface 51 of the outdoor unit 50 to be tested, and during the whole testing process, only one plug and pull is needed, compared with 6 times of plugging and pulling in the prior art, the plugging times between the inlet connector and the outlet connector 43d of the control component 40 and the testing interface 51 of the filling pipeline 11, the vacuum pipeline 21, the testing pipeline 31 and the outdoor unit 50 to be tested are greatly reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an air condensing units test system for to the off-premises station that awaits measuring tests, its characterized in that includes: at least one set of test cells, each set of test cells comprising:
the system comprises a vacuumizing device, a filling device, a standard indoor unit and at least one control assembly, wherein each control assembly is provided with an outlet connector and at least three groups of inlet connectors, one group of inlet connectors are used for being connected with a filling pipeline of the filling device, the other group of inlet connectors are used for being connected with a vacuum pipeline of the vacuumizing device, the rest group of inlet connectors are used for being connected with a testing pipeline of the standard indoor unit, and the outlet connectors are used for being connected with a testing interface of the outdoor unit to be tested;
the control assembly is used for controlling the rest of the inlet joints to be closed when one group of the inlet joints is opened;
each set of the inlet joints comprises two inlet sub-joints, and the outlet joint comprises two outlet sub-joints;
two inlet sub-joints in a group of inlet joints used for being connected with the standard indoor unit in the control assembly are respectively connected with the two outlet sub-joints through a first pipeline and a second pipeline;
two inlet sub-connectors in a group of inlet connectors in the control assembly, which are used for being connected with the perfusion device, are connected with one outlet sub-connector through the first pipeline or the second pipeline;
two inlet sub-joints in a group of inlet joints used for being connected with the vacuum pumping device in the control assembly are respectively connected with the two outlet sub-joints through the first pipeline and the second pipeline;
the perfusion device is provided with at least four groups of perfusion pipelines, and one group of inlet connectors in each control assembly is used for being connected with one group of the perfusion pipelines;
the vacuum pumping device is provided with at least two groups of vacuum pipelines, and one group of inlet joints in each control assembly is used for being connected with one group of vacuum pipelines;
each group of test units comprises one perfusion device, two vacuumizing devices, four standard indoor units and four control assemblies.
2. The outdoor unit testing system of claim 1, wherein each of the inlet fittings has a control switch thereon for controlling the opening and closing of the inlet fitting.
3. The outdoor unit testing system of claim 2, wherein the control switch is provided on each of the inlet sub-joints.
4. The outdoor unit testing system of claim 1 to 3, further comprising a testing station for placing the outdoor unit under test.
5. An outdoor unit testing system of an air conditioner according to any one of claims 1 to 3, wherein the priming line is a high pressure line, and the vacuum line is a low pressure line.
6. The outdoor unit testing system of any one of claims 1 to 3, wherein the ends of the filling pipe, the vacuum pipe and the testing pipe connected to the inlet connector have plug terminals, and the plug terminals are plugged and matched with the inlet connector.
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