CN108088696A - Air conditioner external unit test system - Google Patents
Air conditioner external unit test system Download PDFInfo
- Publication number
- CN108088696A CN108088696A CN201711352071.8A CN201711352071A CN108088696A CN 108088696 A CN108088696 A CN 108088696A CN 201711352071 A CN201711352071 A CN 201711352071A CN 108088696 A CN108088696 A CN 108088696A
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- module
- safety detection
- detection module
- air
- outdoor machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 217
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000011076 safety test Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of testing of an air conditioner external unit, and discloses a testing system of the air conditioner external unit, which comprises a testing table, a safety detection module, an operation detection module and a main control module; wherein: the test board is provided with a detection station, and the detection station is provided with an electrical connection module for connecting with a circuit interface of an air conditioner external unit; the safety detection module is used for carrying out safety detection on the air conditioner external unit; the operation detection module is used for detecting the operation of the air conditioner external unit; the main control module is in signal connection with the electrical connection module, the safety detection module and the operation detection module, when the main control module is in a safety detection mode, the safety detection module is controlled to be electrically connected with the electrical connection module of the test bench, and when the main control module is in an operation detection mode, the operation detection module is controlled to be electrically connected with the electrical connection module of the test bench. The air conditioner external unit test system only needs to be connected with the circuit interface of the air conditioner external unit once, so that the detection procedures are reduced, and the detection time is saved.
Description
Technical field
The present invention relates to outdoor machine of air-conditioner technical field of measurement and test, more particularly to a kind of outdoor machine of air-conditioner test system.
Background technology
It is carried out separately at present for outdoor machine of air-conditioner safety test and operating test, safety test is by manual operation instrument
Device carries out safety detection to outdoor machine of air-conditioner, it is necessary to which inspector docks power supply claw, and startup safety detection module is tested；Operating
Test is detected by operating tester, and inspector docks power supply claw, connecting tube, Ran Houqi after outdoor machine of air-conditioner enters the station
Dynamic test program, after testing, power supply claw, connecting tube etc. need manually to pull out, while need manually by air conditioning valve element
It is locked manually with torque spanner, inspector is made to complete entire operating test after outdoor machine of air-conditioner is outbound by switch；Two kinds of tests
The phenomenon that being required for docking, pull out power supply claw, repetition and waste is acted there are inspection.
The content of the invention
The present invention provides a kind of outdoor machine of air-conditioner to test system, and above-mentioned outdoor machine of air-conditioner test system need to only dock an air-conditioning
Outer machine circuit interface, reduces detection process, saves detection time.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of outdoor machine of air-conditioner tests system, including testboard, safety detection module, operating detection module, main control module；Its
In：
The testboard is equipped with detection station, and is equipped with to connect with the circuit interface of outdoor machine of air-conditioner at the detection station
The electrical connection module connect；
The safety detection module is used to carry out safety detection to outdoor machine of air-conditioner；
The operating detection module is used to carry out operating detection to outdoor machine of air-conditioner；
The main control module is connected with the electrical connection module, safety detection module and operating detection module signal,
The electrical connection mould of the safety detection module and the testboard is controlled when the main control module is in safety detection mode
Block is electrically connected, and the electricity of the operating detection module and the testboard is controlled when the main control module is in operating detection pattern
Gas link block is electrically connected.
Above-mentioned outdoor machine of air-conditioner test system includes placing the testboard of detected outdoor machine of air-conditioner, and testboard is equipped with and is used for
The electrical connection module placed the detection station of outdoor machine of air-conditioner and be connected with outdoor machine of air-conditioner circuit interface；It further includes for air-conditioning
Outer machine carries out the safety detection module of safety detection and the operating detection module for carrying out operating detection to outdoor machine of air-conditioner；Also wrap
Include the main control module being connected with electrical connection module, safety detection module and operating detection module signal；When outdoor machine of air-conditioner into
After entering outdoor machine of air-conditioner test system, it is electrically connected by master control module controls electrical connection module with outdoor machine of air-conditioner circuit interface, it is first
First to carrying out safety detection into the outdoor machine of air-conditioner of outdoor machine of air-conditioner test system, by master control module controls safety detection module with surveying
The electrical connection module electrical connection of test stand carries out subsequent operating detection, by master control module controls after safety detection is qualified
After safety detection module disconnection is electrically connected with the electrical connection module of testboard, master control module controls operating detection module and test
The electrical connection module electrical connection of platform carries out operating detection；The detection of end when safety detection is unqualified；Above-mentioned outdoor machine of air-conditioner is surveyed
Test system can carry out safety detection to outdoor machine of air-conditioner using a detection station and operating detects, and saves detection space, twice
Detection only need to dock an outdoor machine of air-conditioner circuit interface, avoid repetitive operation, reduce detection process, when saving detection
Between.
Preferably, further include：
Data acquisition module, the data acquisition module are connected with the main control module signal, are examined with obtaining the safety
It surveys module and operates the identification information of the testing result information of detection module and the outdoor machine of air-conditioner of detection；
Data memory module, the data memory module is connected with the data acquisition module block signal, with to the data
The information of acquisition module acquisition is stored.
Preferably, connected between the data memory module and the data acquisition module by the main control module signal
It connects.
Preferably, the data acquisition module includes scanner, and the scanner is by retouching rifle connectivity port and the master
Control module connection.
Preferably, outdoor machine of air-conditioner test system further includes unqualified print module, the unqualified print module with
The main control module signal connection exists when in the safety detection module and the testing result information of operating detection module generation
During unqualified information, the unqualified print module prints unqualified mark to outdoor machine of air-conditioner.
Preferably, the main control module include programmable logic controller (PLC) and with the circuit of the safety detection module and institute
The circuit for stating operating detection module forms the handover module of interlock circuit, when the testing result letter of safety detection module generation
Cease for qualification when, handover module action is to control the main control module by examining safely described in the PLC controls
Pattern switching is surveyed to operating detection pattern.
Preferably, the handover module includes A.C. contactor or relay.
Preferably, the main control module includes safety detection module connectivity port, operates detection module connectivity port, is electrical
Link block connectivity port, data memory module connectivity port, are retouched rifle connectivity port and are not conformed at data acquisition module connectivity port
Lattice print module connectivity port, and it is provided with the mark of corresponding connectivity port.
Preferably, the safety detection module includes control safety detection module startup line, control safety detection module is stopped
Only line, control safety detection module, which start, stops COM lines, acquisition safety detection module test passes line, acquisition safety detection mould
Block test failure line, the qualified unqualified common wire of acquisition safety detection module；The safety detection module connectivity port includes
Control safety detection module starts line interface, control safety detection module stops line interface, control safety detection module startup stops
Only COM line interfaces, acquisition safety detection module test passes line interface, acquisition safety detection module test failure line interface,
Gather the qualified unqualified public line interface of safety detection module.
Preferably, the outdoor machine of air-conditioner test system further includes the alarm module being connected with the main control module signal, when
There are during unqualified information in the testing result information that the safety detection module and operating detection module generate, the alarm mould
Block is alarmed.
Description of the drawings
Fig. 1 tests system for a kind of outdoor machine of air-conditioner provided by the invention；
Fig. 2 tests system for another outdoor machine of air-conditioner provided by the invention.
Icon：1- main control modules；2- testboards；3- safety detection modules；4- operates detection module；5- data acquisition modules
Block；6- data memory modules.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
The present invention provides a kind of outdoor machine of air-conditioner to test system, as depicted in figs. 1 and 2, including testboard 2, safety detection
Module 3, operating detection module 4, main control module 1；Wherein：
Testboard 2 is equipped with detection station, and the electricity being connected for the circuit interface with outdoor machine of air-conditioner is equipped at detection station
Gas link block；
Safety detection module 3 is used to carry out safety detection to outdoor machine of air-conditioner；
Operating detection module 4 is used to carry out operating detection to outdoor machine of air-conditioner；
Main control module 1 is connected with electrical connection module, safety detection module 3 and operating 4 signal of detection module, works as master control
When module 1 is in safety detection mode safety detection module 3 is controlled to be electrically connected with the electrical connection module of testboard 2, work as master control
Control operating detection module 4 is electrically connected with the electrical connection module of testboard 2 when module 1 is in operating detection pattern.
Above-mentioned outdoor machine of air-conditioner test system includes placing the testboard 2 of detected outdoor machine of air-conditioner, and testboard 2, which is equipped with, to be used
In the electrical connection module placed the detection station of outdoor machine of air-conditioner and be connected with outdoor machine of air-conditioner circuit interface；It further includes for sky
Outer machine is adjusted to carry out the safety detection module 3 of safety detection and the operating detection module 4 for carrying out operating detection to outdoor machine of air-conditioner；
Further include the main control module 1 being connected with electrical connection module, safety detection module 3 and operating 4 signal of detection module；Work as air-conditioning
Outer machine enters after outdoor machine of air-conditioner test system, and electrical connection module and outdoor machine of air-conditioner circuit interface electricity are controlled by main control module 1
First to carrying out safety detection into the outdoor machine of air-conditioner of outdoor machine of air-conditioner test system, safety detection is controlled by main control module 1 for connection
Module 3 is electrically connected with the electrical connection module of testboard 2, subsequent operating detection is carried out after safety detection is qualified, by leading
After control module 1 controls the disconnection of safety detection module 3 to be electrically connected with the electrical connection module of testboard 2, the control operating of main control module 1
Detection module 4 is electrically connected with the electrical connection module of testboard 2 and carries out operating detection；Terminate to examine when safety detection is unqualified
It surveys；Above-mentioned outdoor machine of air-conditioner test system can carry out safety detection to outdoor machine of air-conditioner using a detection station and operating detects, section
Detection space is saved, detection twice only need to dock an outdoor machine of air-conditioner circuit interface, avoid repetitive operation, reduce detection work
Sequence saves detection time.
Specifically, safety detection and operating detection include two kinds of Starting mode respectively,
Mode one：As shown in Figure 1, when in safety detection mode, safety detection module 3 is by main control module 1 with surveying
The electrical connection module electrical connection of test stand 2 carries out safety detection, and when in operating detection pattern, operating detection module 4 passes through
Main control module 1 is electrically connected with the electrical connection module of testboard 2 and carries out operating detection；
Mode two：As shown in Fig. 2, main control module 1 controls safety detection module 3 and the electrical connection module electricity of testboard 2
Connection carries out safety detection, and the control operating detection module 4 of main control module 1 is electrically connected progress with the electrical connection module of testboard 2
Operating detection；
Specifically, further include：
Data acquisition module 5, data acquisition module 5 is connected with 1 signal of main control module, with obtain safety detection module 3 with
And the identification information of the outdoor machine of air-conditioner of the testing result information and detection of operating detection module 4；
Data memory module 6, data memory module 6 is connected with 5 signal of data acquisition module, with to data acquisition module 5
The information of acquisition is stored.
Above-mentioned outdoor machine of air-conditioner test system includes data acquisition module 5, and data acquisition module 5 is to safety detection module 3
And operating detection module 4 carries out data acquisition, data acquisition module 5 is connected with 1 signal of main control module, is collecting safe inspection
When surveying qualified, safety detection qualifying signal is passed into main control module 1, the control operating detection module 4 of main control module 1 is operated
Test；Collect safety detection it is unqualified when, the unqualified signal of safety detection is passed into main control module 1, main control module 1 is controlled
The circuit interface of electrical connection module and outdoor machine of air-conditioner processed disconnects, and terminates test；Data acquisition module 5 in detection process
It also detects the identification information of outdoor machine of air-conditioner and identification information is passed into main control module 1；Outdoor machine of air-conditioner test system further includes number
According to memory module 6, data memory module 6 stores the data collected, has the function of query history and data can be led
Go out, production line can be safeguarded according to historical data.
Specifically, connected between data memory module 6 and data acquisition module 5 by 1 signal of main control module.
It is connected by 1 signal of main control module between data memory module 6 and data acquisition module 5, is controlled by main control module 1
Data memory module 6 processed stores the data that data collecting system collects.
Specifically, data acquisition module 5 includes scanner, and scanner is connected by scanner connectivity port and main control module 1
It connects.
Main control module 1 by control scanner to safety detection module 3 and operating detection module 4 carry out data acquisition,
And pass the data collected back main control module 1.
Specifically, outdoor machine of air-conditioner test system further includes unqualified print module, unqualified print module and main control module 1
Signal connects, when in the testing result information that safety detection module 3 and operating detection module 4 generate there are during unqualified information,
Unqualified print module prints unqualified mark to outdoor machine of air-conditioner.
Outdoor machine of air-conditioner test system further includes unqualified print module, when data acquisition module 5 collects safety detection not
When qualified information or operating detect unqualified information, by main control module 1 unqualified print module is controlled to carry out unqualified beat
Print, the convenient differentiation to unqualified outdoor machine of air-conditioner.
Specifically, main control module 1 includes programmable logic controller (PLC) and is detected with the circuit of safety detection module 3 and operating
The circuit of module 4 forms the handover module of interlock circuit, when the testing result information that safety detection module 3 generates is qualified,
The action of PLC controls handover module detects mould so that main control module 1 to be controlled to switch to operating by safety detection mode
Formula.
Main control module 1 passes through PLC controls and the circuit of safety detection module 3 and operating detection module 4
Circuit formed interlock circuit handover module, make its safety detection and operating detection between switch, when safety detection module 3
When the testing result information of generation is qualified, PLC controls handover module switches to operating detection pattern, into
Row operating test, when the testing result information that safety detection module 3 generates is unqualified, terminates test.
Specifically, handover module includes A.C. contactor or relay.
Specifically, main control module 1 includes 3 connectivity port of safety detection module, operates 4 connectivity port of detection module, is electrical
Rifle connectivity port and not, is retouched at 5 connectivity port of data acquisition module in link block connectivity port, 6 connectivity port of data memory module
Acceptable print module connection ports, and it is provided with the mark of corresponding connectivity port.
The above-mentioned connectivity port of main control module 1 may be configured as aviation grafting line jack so that each module is convenient for position
It adjusts, the mark of corresponding connectivity port is set in each connectivity port of main control module 1, convenient for distinguishing each port.
Specifically, safety detection module 3 includes control safety detection module startup line, control safety detection module stops
Line, control safety detection module, which start, stops COM lines, acquisition safety detection module test passes line, acquisition safety detection module
Test failure line, the qualified unqualified common wire of acquisition safety detection module；Safety detection module connectivity port includes control and pacifies
Full detection module, which starts line interface, control safety detection module stops line interface, safety detection module is controlled to start stops COM lines
Interface, acquisition safety detection module test passes line interface, acquisition safety detection module test failure line interface, acquisition safety
The qualified unqualified public line interface of detection module.
Specifically, outdoor machine of air-conditioner test system further includes the alarm module being connected with 1 signal of main control module, works as safety detection
There are during unqualified information in the testing result information that module 3 and operating detection module 4 generate, alarm module is alarmed.
Alarm module is set, is existed not when in safety detection module 3 and the testing result information of the operating generation of detection module 4
It alarms during qualified information, convenient for finding unqualified outdoor machine of air-conditioner.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of outdoor machine of air-conditioner tests system, which is characterized in that including testboard, safety detection module, operating detection module, master
Control module；Wherein：
The testboard is equipped with detection station, and is equipped with what is be connected for the circuit interface with outdoor machine of air-conditioner at the detection station
Electrical connection module；
The safety detection module is used to carry out safety detection to outdoor machine of air-conditioner；
The operating detection module is used to carry out operating detection to outdoor machine of air-conditioner；
The main control module is connected with the electrical connection module, safety detection module and operating detection module signal, works as institute
It states and the safety detection module and the electrical connection module electricity of the testboard is controlled when main control module is in safety detection mode
Connection controls the operating detection module to connect with the electrical of the testboard when the main control module is in operating detection pattern
Connection module is electrically connected.
2. outdoor machine of air-conditioner according to claim 1 tests system, which is characterized in that further includes：
Data acquisition module, the data acquisition module is connected with the main control module signal, to obtain the safety detection mould
Block and the identification information for operating the testing result information of detection module and the outdoor machine of air-conditioner of detection；
Data memory module, the data memory module is connected with the data acquisition module block signal, with to the data acquisition
The information of module acquisition is stored.
3. outdoor machine of air-conditioner according to claim 2 tests system, which is characterized in that the data memory module and the number
It is connected according between acquisition module by the main control module signal.
4. outdoor machine of air-conditioner according to claim 2 tests system, which is characterized in that the data acquisition module includes scanning
Rifle, the scanner are connected by retouching rifle connectivity port with the main control module.
5. outdoor machine of air-conditioner according to claim 1 tests system, which is characterized in that the outdoor machine of air-conditioner test system is also wrapped
Unqualified print module is included, the unqualified print module is connected with the main control module signal, when the safety detection module
There are during unqualified information in the testing result information generated with operating detection module, the unqualified print module to air-conditioning outside
Machine prints unqualified mark.
6. outdoor machine of air-conditioner according to claim 1 tests system, which is characterized in that the main control module includes programmable patrol
Collect controller and the switching with the circuit of the safety detection module and the circuit formation interlock circuit of the operating detection module
Module, when the testing result information of safety detection module generation is qualified, the PLC controls institute
Handover module action is stated so that the main control module to be controlled to switch to operating detection pattern by safety detection mode.
7. outdoor machine of air-conditioner according to claim 6 tests system, which is characterized in that the handover module includes ac contactor
Device or relay.
8. outdoor machine of air-conditioner according to claim 1 tests system, which is characterized in that the main control module includes safety detection
Module connection ports, operating detection module connectivity port, electrical connection module connectivity port, data memory module connectivity port,
Rifle connectivity port and unqualified print module connectivity port are retouched, and is provided with corresponding connecting pin in data acquisition module connectivity port
The mark of mouth.
9. outdoor machine of air-conditioner according to claim 8 tests system, which is characterized in that the safety detection module includes control
Safety detection module starts line, control safety detection module stop line, control safety detection module and starts stopping COM lines, acquisition
Safety detection module test passes line, acquisition safety detection module test failure line, acquisition safety detection module qualification do not conform to
Lattice common wire；The safety detection module connectivity port includes control safety detection module and starts line interface, control safety detection
Module stops line interface, control safety detection module starts stopping COM line interfaces, acquisition safety detection module test passes line connects
Mouth, acquisition safety detection module test failure line interface, the qualified unqualified public line interface of acquisition safety detection module.
10. outdoor machine of air-conditioner according to claim 1 tests system, which is characterized in that the outdoor machine of air-conditioner test system is also
Including the alarm module being connected with the main control module signal, when the safety detection module and the inspection of operating detection module generation
It surveys in result information there are during unqualified information, the alarm module is alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352071.8A CN108088696A (en) | 2017-12-15 | 2017-12-15 | Air conditioner external unit test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352071.8A CN108088696A (en) | 2017-12-15 | 2017-12-15 | Air conditioner external unit test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108088696A true CN108088696A (en) | 2018-05-29 |
Family
ID=62176826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711352071.8A Withdrawn CN108088696A (en) | 2017-12-15 | 2017-12-15 | Air conditioner external unit test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108088696A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140675A (en) * | 2018-08-21 | 2019-01-04 | 广东志高暖通设备股份有限公司 | A kind of the parameter point inspection manipulation plate and outdoor machine of air-conditioner of outdoor machine of air-conditioner |
| CN109187061A (en) * | 2018-08-21 | 2019-01-11 | 格力电器（武汉）有限公司 | Air conditioner testing system and air conditioner testing method |
| CN109781450A (en) * | 2019-03-14 | 2019-05-21 | 格力电器（武汉）有限公司 | Test system for detecting safety performance and function of air conditioner |
| CN110595818A (en) * | 2019-09-27 | 2019-12-20 | 格力电器（重庆）有限公司 | Air conditioner outdoor unit butt joint device |
| CN114152288A (en) * | 2021-12-02 | 2022-03-08 | 重庆福瑞斯自动化设备股份有限公司 | Air conditioner box detection device and detection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569504A (en) * | 2013-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Testing device |
| CN106526457A (en) * | 2016-12-21 | 2017-03-22 | 成都秦川科技发展有限公司 | Circuit board detection instrument and system |
-
2017
- 2017-12-15 CN CN201711352071.8A patent/CN108088696A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569504A (en) * | 2013-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Testing device |
| CN106526457A (en) * | 2016-12-21 | 2017-03-22 | 成都秦川科技发展有限公司 | Circuit board detection instrument and system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140675A (en) * | 2018-08-21 | 2019-01-04 | 广东志高暖通设备股份有限公司 | A kind of the parameter point inspection manipulation plate and outdoor machine of air-conditioner of outdoor machine of air-conditioner |
| CN109187061A (en) * | 2018-08-21 | 2019-01-11 | 格力电器（武汉）有限公司 | Air conditioner testing system and air conditioner testing method |
| CN109781450A (en) * | 2019-03-14 | 2019-05-21 | 格力电器（武汉）有限公司 | Test system for detecting safety performance and function of air conditioner |
| CN110595818A (en) * | 2019-09-27 | 2019-12-20 | 格力电器（重庆）有限公司 | Air conditioner outdoor unit butt joint device |
| CN114152288A (en) * | 2021-12-02 | 2022-03-08 | 重庆福瑞斯自动化设备股份有限公司 | Air conditioner box detection device and detection method |
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Application publication date: 20180529 |
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