CN109406179A - A kind of air conditioner test method and test device with automatic protection functions - Google Patents
A kind of air conditioner test method and test device with automatic protection functions Download PDFInfo
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- CN109406179A CN109406179A CN201811056525.1A CN201811056525A CN109406179A CN 109406179 A CN109406179 A CN 109406179A CN 201811056525 A CN201811056525 A CN 201811056525A CN 109406179 A CN109406179 A CN 109406179A
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Classifications
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
Abstract
The present invention provides a kind of air conditioner test method with automatic protection functions, comprising the following steps: air-conditioner outdoor unit to be measured is sent to the standard station for being provided with test fixture and is electrically connected with test fixture；For test fixture power supply；Starting test；The real-time current that air-conditioner outdoor unit to be measured is detected during the test between the first controller for being arranged in the test fixture, and the real-time current is exported to second controller；The real-time current is compared by the second controller with setting electric current, if the real-time current is lower than setting electric current, the second controller output protection controls signal, and control disconnects the power supply of the test fixture.A kind of air conditioner test device with automatic protection functions is also disclosed simultaneously.The present invention improves the efficiency and safety of air-conditioner outdoor unit test method.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field more particularly to a kind of air conditioner surveys with automatic protection functions
Method for testing and test device.
Background technique
In recent years, air conditioner volume of production and marketing is continuously increased, it has also become one of necessity of urban family.Consequent is pair
The demand of new product is continuously increased, it is also desirable to according to different customer demand development & production there are different refrigerating capacitys, model to match
Type is covered, product iteration cycle is accelerated.Air conditioner is a kind of seasonal very strong product, its using busy season product for not answering
It asks, this requires research staff to complete a large amount of test assignment in the dull season, is ready for the production of next year.
The detection that air-conditioning products are completed by test fixture is promoted, gradually in the prior art to improve testing efficiency.As in
The outdoor machine of air-conditioner performance test methods applied to testing service device disclosed in state's patent application (CN103822326B), skill
Art scheme specifically includes: " to generate and send first control signal respectively to air-conditioning internal machine component, second control signal to tool
There is the test fixture for the universal mainboard that carry various communications protocols, the second control signal carries and outdoor machine of air-conditioner machine
Type corresponding communication protocol mark, the test fixture receive second control signal, identification communication protocol mark, and obtain with
Communication protocol identifies corresponding communication protocol, according to communication breath to send second control signal to outer machine component, the first control letter
Machine component starting in number controlling, second control signal control that outer machine component executes corresponding refrigeration or heating mode acts；
The electrical parameter at the outdoor machine of air-conditioner component port and the atmospheric pressure value in connection pipe for internal-external unit road are acquired, and receives outer machine
The line temperature value and ambient temperature value of component, the atmospheric pressure value are to be set to the pressure sensor of connection pipe for internal-external unit road to adopt
What collection obtained, the line temperature value and ambient temperature value are obtained and by temperature sensing package inside the test fixture by the test work
Dress is sent；
According to the electrical parameter range, air pressure range and temperature range pre-saved, judge whether the electrical parameter is pre-saving
Electrical parameter range in, whether the atmospheric pressure value in the air pressure range pre-saved and the line temperature value and environment temperature
Whether angle value is within the temperature range of pre-saving, if so, the outdoor machine of air-conditioner performance is normal, if it is not, then outside the air-conditioning
Machine performance is abnormal；
It generates and sends and carries the third of communication protocol mark and control signal to the test fixture, the test fixture
The third control signal is received, identifies the communication protocol mark, and obtain communication corresponding with communication protocol mark
Agreement sends the third according to the communication protocol and controls signal to the outer machine component, the third control signal control
The outer machine component recycles refrigerant within a preset time."
It is not difficult to find out that it needs to simulate entire split type sky although having formulated detailed testing process in above-mentioned documents
The operational process of device is adjusted, if some sub-process therein breaks down, additional test is needed just to can determine that fault point, is examined
It surveys relatively inefficient.Moreover, not setting any safeguard measure in whole process.
Summary of the invention
The present invention provides a kind of air conditioner test method with automatic protection functions, to improve air-conditioner outdoor unit test
Efficiency, and operating personnel's electric shock can be prevented with intelligent behaviour.
A kind of air conditioner test method with automatic protection functions, comprising the following steps:
Air-conditioner outdoor unit to be measured is sent to the standard station for being provided with test fixture and is electrically connected with test fixture；
For test fixture power supply；
Starting test；
The reality that air-conditioner outdoor unit to be measured is detected during the test between the first controller for being arranged in the test fixture
When electric current, and the real-time current is exported to second controller；
The real-time current is compared by the second controller with setting electric current, if the real-time current is lower than setting electricity
Stream, then the second controller output protection controls signal, and control disconnects the power supply of the test fixture.
The disclosed air conditioner test method with automatic protection functions through the invention, during the test, air-conditioning
Indoor unit is simulated by test fixture completely, improves testing efficiency, especially when between test fixture and air-conditioner outdoor unit to be measured
When unexpected disconnection or artificial maloperation make air-conditioner outdoor unit to be measured be detached from test fixture, the electricity of test fixture can be cut off in time
Source avoids personnel from getting an electric shock, and improves the safety of air conditioner test method.
A kind of air conditioner test device with automatic protection functions is also disclosed simultaneously, including
Conveyor module, for air-conditioner outdoor unit to be measured is sent to be provided with test fixture standard station and with test fixture electricity
Connection；
Power supply module, for powering for test fixture；
Starting module, for starting test program；
Detection module, the first control for sampling air-conditioner outdoor unit to be measured during the test and being arranged in the test fixture
Real-time current between device processed；
First communication module, the real-time current for sampling the detection module are exported to second controller；
Comparison module, for real-time current to be compared with setting electric current；With
Protective module disconnects the confession of test fixture for the output protection control signal when real-time current is lower than setting electric current
Electricity.
Air conditioner test device disclosed in this invention with automatic protection functions can effectively promote air-conditioner outdoor unit
Safety in test process.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is air conditioner test method embodiment one flow chart disclosed in this invention with automatic protection functions；
Fig. 2 is air conditioner test method embodiment two flow chart disclosed in this invention with automatic protection functions；
Fig. 3 is a kind of optional circuit connection diagram of test fixture；
Fig. 4 is a kind of optional circuit connection diagram of multiplex temperature collection module in test fixture；
Fig. 5 is a kind of optional circuit connection diagram between the first controller and second controller under test mode.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Shown in Figure 1 is a kind of specific reality of the air conditioner test method disclosed in this invention with automatic protection functions
Apply the flow chart of example.As shown in Figure 1, method includes the following steps:
Step S101 tests the preparation stage, air-conditioner outdoor unit to be measured is sent to the standard station for being provided with test fixture.Test
Tooling simulates normal air conditioner room unit, and collected data are transmitted to outside by serial communication, carries out in next step
Processing.At standard station, air-conditioner outdoor unit to be measured is electrically connected with test fixture.It preferably, can be pre- on test fixture
One or more sockets are stayed, frequency outdoor unit socket CZ1 and the outer machine transplanting of rice seat CZ2 of frequency conversion room is determined as shown in Figure 3, tests the preparation stage
Can two sockets be separately connected an outdoor unit, to reduce disassembly and assembly time in timesharing detects, improve testing efficiency.Certainly
An outdoor unit can also only be connected.
Step S102 powers for test fixture.
Step S103, the first controller output control signal in test fixture, starting control program.Outdoor unit root to be measured
According to control program operation.As shown in figure 3, the first controller 200 is preferably a singlechip chip.
Step S104 is detected during the test between the first controller in air-conditioner outdoor unit and test fixture to be measured
Real-time current.As shown in figure 3, the detection of real-time current is realized by electrical parameter module 100, specific available model
WB1896B35。
Step S105 exports the real-time current sampled to second controller.As shown in figure 5, in the present embodiment, the
Two controllers 500 are preferably PLC programmable logic controller (PLC), outside test fixture.Electrical parameter module 100 will sample
To real-time current exported by serial communication to second controller 500.Second controller 500 preferably includes a serial communication
Module 501, serial communication module 501 are separately connected electrical parameter module 100, the first controller 200, to realize data communication.It is excellent
The second controller 500 of choosing is also connect with human-computer interaction module 400, to receive artificial setting, is adjusted and is tested by interrupt routine
Process.Communication between second controller 500 and human-computer interaction module 400 is not key protection point of the invention, no longer superfluous herein
It states.During the test, second controller 500 receives adopting for the multiple test equipments feedback being arranged on air-conditioner outdoor unit to be measured
Sample signal, such as the pressure sensor being arranged on compressor or coolant loop.It should be strongly noted that in the present invention,
A multiplex temperature collection module 300 is further preferably provided in test fixture, as shown in Figure 4 and Figure 5, be mainly used for acquiring into
Air temperature and/or leaving air temp, and exported by serial communication to second controller 500.
Step S106, setting electric current is previously stored in second controller, and second controller determines whether real-time current is low
In setting electric current.
During atual detection, when there is real-time current lower than setting electric current, it is understood that there may be air conditioning chamber to be measured
Connecting line between outer machine and test fixture falls off, or the case where artificially pull up air-conditioner outdoor unit to be measured.In this state,
Connection is still kept between test fixture and power supply, test fixture integrally charges.If there is operator touches test fixture,
Then it is possible to the case where getting an electric shock, crisis personnel safety.Therefore, in the present embodiment, under test mode, second controller pair
Real-time current is monitored.
The case where step S107, the real-time current monitored if there is second controller is lower than setting electric current, then second
Controller output protection controls signal.
Step S108, for example, referring to shown in Fig. 3 and Fig. 5, be provided on the output end all the way of second controller after
The coil of electric appliance KA01.When second controller monitors real-time current lower than the case where setting electric current, second controller output
Protection control signal, the coil of relay KA01 obtains electric.One group of normally opened contact of relay KA01 is closed, and is arranged in series with KA01
Contactor KM coil obtain it is electric.One group of normally-closed contact (not shown) of contactor KM is arranged in power supply and the first controller
Between.The coil of contactor KM obtain it is electric after, one group of normally-closed contact of contactor KM disconnects, and disconnects the power supply of test fixture.It needs
It is noted that Fig. 3 and Fig. 5 are only a kind of schematical circuit diagram, the normally opened contact of contactor is connected with normally-closed contact can be with
It is adjusted according to the model of practical electric elements, it is only necessary to meet and disconnect test fixture and power this purpose, to realize pair
The automatic protection of operator, avoids operating personnel's electric shock.
Shown in Figure 2 is the air conditioner test method embodiment two disclosed in this invention with automatic protection functions
Flow chart, as shown in Fig. 2, method includes the following steps:
Air-conditioner outdoor unit to be measured is sent to the standard station for being provided with test fixture and is electrically connected with test fixture by step S201
It connects.
Step S202 powers for test fixture.
Step S203, starting test.
Step S204, second controller export first controller of the heating mode control signal into test fixture.
Step S205 drives air-conditioning to be measured after the first controller in test fixture receives heating mode control signal
Outdoor unit works in heating mode.
Step S206, in heating mode test process, electrical parameter module detects air-conditioner outdoor unit to be measured and the first control
Real-time current between device, and the real-time current that will test feeds back to second controller.
Step S207, second controller determine whether the real-time current of electrical parameter module output is lower than setting electric current.
Step S2071 illustrates during the test, test fixture and sky to be measured if real-time current is lower than setting electric current
The case where adjusting the line between outdoor unit to be likely to occur poor contact, slide or someone accidentally pull up air-conditioner outdoor unit to be measured.
At this point, second controller output protection controls signal.
The electrical component on test fixture power supply branch road is arranged in step S2072, such as contactor, breaker receive the
The protection of two controllers output controls signal and disconnects, to disconnect the power supply of test fixture.
In order to remind operator note that if real-time current be lower than setting electric current, output protection control signal while,
Second controller exports alarm signal simultaneously, the caution devices alarm such as similar buzzer, indicator light is driven, such as step S2073 institute
Show.
Step S208 is set with the setting testing time of heating mode test process in testing process, if entirely setting
Determine in the testing time, real-time current is not less than setting electric current always, then second controller output refrigeration mode control signal is extremely
The first controller in test fixture.In handoff procedure, preferred settings does not sample real-time current, to avoid in system fluctuation
In the process, lead to false alarm since the sensitivity of controller is excessively high.
Step S209, the first controller in test fixture drive air-conditioner outdoor unit to be measured to work in refrigeration mode.
Step S210 is detecting the reality between air-conditioner outdoor unit to be measured and the first controller in refrigeration mode test process
When electric current and feed back to second controller.
Step S211, second controller, which is started again at, compares monitoring to real-time current and setting electric current.And real-time
When electric current is lower than setting electric current, while output protection control signal and alarm signal, to remind operator to simultaneously switch off test
The power supply of tooling.As shown in step S2111, S2112 and S2113.
Step S212 then keeps straight if real-time current keeps being not less than setting electric current in refrigeration mode test process
To EP (end of program).
In above-mentioned two embodiment of the invention, setting electric current be preferably [0,30mA) data area in value.
The disclosed air conditioner test method with automatic protection functions through the invention, during the test, air-conditioning
Indoor unit is simulated by test fixture completely, improves testing efficiency, especially when between test fixture and air-conditioner outdoor unit to be measured
When unexpected disconnection or artificial maloperation make air-conditioner outdoor unit to be measured be detached from test fixture, test fixture can be timely cut off
Power supply avoids personnel from getting an electric shock, and improves the safety of air conditioner test method.
The air conditioner test device with automatic protection functions that the present invention also discloses a kind of, specifically, comprising:
Conveyor module, for air-conditioner outdoor unit to be measured is sent to be provided with test fixture standard station and with test fixture electricity
Connection.A kind of optional scheme of intelligence degree for improving test device is, in standard station and test fixture for connecting
The interface position of air-conditioner outdoor unit is surveyed in reception, is provided with proximity sensor.Proximity sensor output position signal is to second
Controller.Second controller is preferably PLC programmable logic controller (PLC).Receive standard station and interface close to sensing
After the detection signal of device output, illustrate that air-conditioner outdoor unit to be measured has been conveyed to standard station and has been electrically connected with test fixture
Finish, can be tested.
Power supply module, for powering for test fixture.A kind of scheme of the optional intelligence degree for improving test device
It is, after the detection signal for the proximity sensor output for receiving standard station and interface, second controller output control letter
Number, control is connected to closing the switch between test fixture and power supply, powers for test fixture.
Starting module, for starting test program.
Detection module, the first control for sampling air-conditioner outdoor unit to be measured during the test and being arranged in test fixture
Real-time current between device processed.Current sample preferably passes through the electrical parameter module being arranged in test fixture and realizes, electrical parameter mould
Block directly keeps serial communication with second controller.
First communication module, the real-time current for will test module samples are exported to second controller.
Comparison module, for real-time current to be compared with setting electric current.
And protective module, protective module are used for the output protection when real-time current is lower than setting electric current and control signal, break
Switch power supply and test fixture.
Air conditioner test device disclosed in this invention with automatic protection functions, can to avoid when test fixture and to
When surprisingly disconnection or artificial maloperation make air-conditioner outdoor unit to be measured be detached from test fixture between survey air-conditioner outdoor unit, test
Tooling is still charged, and the unexpected generation of operating personnel's electric shock is caused, and improves the safety during air conditioner test.
In order to avoid in mode handover procedure, false alarm caused by system fluctuation, in automatic protection disclosed in this invention
In air conditioner test device, it is additionally provided with:
Heating mode setting module, for after starting heating mode test, output heating mode to control signal to test fixture
In the first controller, to drive air-conditioner outdoor unit to be measured work in heating mode.
First timing module, for determining that heating mode tests whether to reach setting time.
It further include refrigeration mode setting module, if the detection module detects real-time in heating mode test process
Electric current is consistently higher than setting electric current, then the refrigeration mode setting module output refrigeration mode control signal is into test fixture
First controller, to drive air-conditioner outdoor unit work to be measured in refrigeration mode and carry out refrigeration mode test.
In refrigeration mode test process, detection module, first communication module, comparison module and protective module are kept and system
The same working condition of heat pattern test process, until entire test process terminates.
In order to warn to operator, dress is tested in the air conditioner disclosed in this invention with automatic protection functions
It further include an alarm module in setting, alarm module is used to export alarm signal while output protection controls signal.This
It outside, further include temperature detecting module, temperature detecting module is for acquiring inlet air temperature and/or leaving air temp simultaneously during the test
It exports to second controller.In the present invention, setting electric current preferably [0,30mA) in selected.
Air conditioner test device disclosed in this invention with automatic protection functions can effectively promote air-conditioner outdoor unit
Safety in test process.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of air conditioner test method with automatic protection functions, which comprises the following steps:
Air-conditioner outdoor unit to be measured is sent to the standard station for being provided with test fixture and is electrically connected with test fixture；
For test fixture power supply；
Starting test；
The reality that air-conditioner outdoor unit to be measured is detected during the test between the first controller for being arranged in the test fixture
When electric current, and the real-time current is exported to second controller；
The real-time current is compared by the second controller with setting electric current, if the real-time current is lower than setting electricity
Stream, then the second controller output protection controls signal, and control disconnects the power supply of the test fixture.
2. the air conditioner test method according to claim 1 with automatic protection functions, which is characterized in that further include with
Lower step:
After starting test, first control of the second controller output heating mode control signal into the test fixture
Device, the first controller in the test fixture drive air-conditioner outdoor unit work to be measured in heating mode, test in heating mode
Real-time current between air-conditioner outdoor unit to be measured and first controller is detected in the process and feeds back to the second controller, if
The real-time current is lower than setting electric current, then second controller output protection controls signal, control disconnect the test fixture and
Power supply；
If the real-time current is remained higher than setting electric current, then the second controller in heating mode test process
Export first controller of the refrigeration mode signal into the test fixture, the first controller driving in the test fixture to
Air-conditioner outdoor unit work is surveyed in refrigeration mode, detects air-conditioner outdoor unit to be measured and the first control again in refrigeration mode test process
Real-time current and the second controller is fed back between device processed, if the real-time current is lower than setting electric current, the second control
Device output protection controls signal, and control disconnects the test fixture and power supply.
3. the air conditioner test method according to claim 2 with automatic protection functions, which is characterized in that described second
When controller output protection controls signal, while exporting alarm signal.
4. the air conditioner test method according to claim 3 with automatic protection functions, which is characterized in that described to set
Constant current be [0,30mA).
5. a kind of air conditioner test device with automatic protection functions characterized by comprising
Conveyor module, for air-conditioner outdoor unit to be measured is sent to be provided with test fixture standard station and with test fixture electricity
Connection；
Power supply module, for powering for test fixture；
Starting module, for starting test program；
Detection module, the first control for sampling air-conditioner outdoor unit to be measured during the test and being arranged in the test fixture
Real-time current between device processed；
First communication module, the real-time current for sampling the detection module are exported to second controller；
Comparison module, for real-time current to be compared with setting electric current；With
Protective module disconnects the confession of test fixture for the output protection control signal when real-time current is lower than setting electric current
Electricity.
6. the air conditioner test device according to claim 5 with automatic protection functions, which is characterized in that further include:
Heating mode setting module, for after starting heating mode test, output heating mode to control signal to test fixture
In the first controller, to drive air-conditioner outdoor unit to be measured work in heating mode；
First timing module, for determining that heating mode tests whether to reach setting time；
Refrigeration mode setting module, if the real-time current of the detection module detection is high always in heating mode test process
In setting electric current, then first control of the refrigeration mode setting module output refrigeration mode control signal into test fixture
Device, to drive air-conditioner outdoor unit work to be measured in refrigeration mode and carry out refrigeration mode test.
7. the air conditioner test device according to claim 6 with automatic protection functions, which is characterized in that further include:
Alarm module, for exporting alarm signal while output protection controls signal.
8. the air conditioner test device according to claim 7 with automatic protection functions, which is characterized in that the setting
Electric current be [0,30mA).
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| CN201811056525.1A CN109406179B (en) | 2018-09-11 | 2018-09-11 | Air conditioner testing method and testing device with automatic protection function |
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| CN201811056525.1A CN109406179B (en) | 2018-09-11 | 2018-09-11 | Air conditioner testing method and testing device with automatic protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110568228A (en) * | 2019-08-14 | 2019-12-13 | 格力电器（武汉）有限公司 | Automatic power-on system, method, product testing system and controller |
| CN110673585A (en) * | 2019-10-15 | 2020-01-10 | 新誉轨道交通科技有限公司 | Test method, test device and test system for train air conditioning system |
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