CN110082669A - Automatically controlled board measuring method - Google Patents
Automatically controlled board measuring method Download PDFInfo
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- CN110082669A CN110082669A CN201910475428.4A CN201910475428A CN110082669A CN 110082669 A CN110082669 A CN 110082669A CN 201910475428 A CN201910475428 A CN 201910475428A CN 110082669 A CN110082669 A CN 110082669A
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- controlled plate
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- plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2817—Environmental-, stress-, or burn-in tests
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- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention provides a kind of automatically controlled board measuring methods comprising: electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation；It takes out electric-controlled plate and electric-controlled plate is dried；Electric-controlled plate after drying is placed on the first preset duration of operation that is powered in the chamber of the second parameter preset operation；Detect and record the characteristic parameter of electric-controlled plate；It determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.The present invention is by the way that electric-controlled plate to be placed in the actual motion environment of simulation electric-controlled plate, and then more effectively the failure in electric-controlled plate can be ejected, so that electric-controlled plate in actual use it is possible that the problem of its be on active service before adequately can be exposed and be solved, to formulate scientific and reasonable maintenance decision, to save maintenance cost, and ensure the normal service life of the product with the electric-controlled plate.
Description
Technical field
The present invention relates to technical field of electric equipment, in particular to a kind of automatically controlled board measuring method.
Background technique
Currently, being greatly favored by consumers since cooking in microwave oven food has the characteristics that high-efficient, speed is fast.With microwave
Furnace is widely used, and the use problem fed back in the market is also more and more, wherein the problem about electric-controlled plate exception in micro-wave oven
It is especially prominent.However, electric-controlled plate is not detected during the failure electric-controlled plate fed back in market carries out test verification
Failure.That is, currently used electric-controlled plate fault detection method cannot inspire failure present in electric-controlled plate completely,
Therefore, how to carry out effectively detection to electric-controlled plate is current urgent problem to be solved.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, the first aspect of the invention is, a kind of automatically controlled board measuring method is proposed.
In view of this, according to the first aspect of the invention, providing a kind of automatically controlled board measuring method comprising: it will be electric
Control plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation；It takes out electric-controlled plate and electric-controlled plate is done
Dry processing；When electric-controlled plate after drying is placed on default with the operation first that is powered in the chamber of the second parameter preset operation
It is long；Detect and record the characteristic parameter of electric-controlled plate；It determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
Automatically controlled board measuring method provided by the invention includes that electric-controlled plate is first placed on the salt run with the first parameter preset
Spraying treatment is carried out in fog chamber, even if electric-controlled plate is in salt mist environment, so that corrosive ions caused by salt fog cabinet act on
On electric-controlled plate.Then the electric-controlled plate after spraying treatment is taken out, and it is dried, it is ensured that electric-controlled plate is in dry shape
State.Electric-controlled plate after drying is placed in chamber the operation that is powered, and then can truly restore electric-controlled plate as far as possible in reality
The running working condition in border.Electric-controlled plate is dried primarily to ensure subsequent electric-controlled plate can normal power-up operation,
It avoids the electric-controlled plate surface moisture taken out from salt fog cabinet and causes energization operation troubles problem.Further, chamber be with
The operation of second parameter preset, and its runing time is the first preset duration, the second parameter preset and the first preset duration are bases
The practical service environment of electric-controlled plate and determine.For example, if above-mentioned parameter should be adjusted to micro-wave oven when electric-controlled plate is used for micro-wave oven
Internal temperature, humidity and operation duration etc. in the process of running.The postrun electric-controlled plate that will be powered directly takes from chamber
Out, without drying again, shorten experimental period, in addition, the characteristic parameter of electric-controlled plate is detected and recorded.Work as characteristic parameter
When meeting acceptance condition, then it can determine that electric-controlled plate fault-free.Further, characteristic parameter can be that the appearance of electric-controlled plate can be
At least one of the apparent condition of electric-controlled plate, the insulation resistance of electric-controlled plate, functional status of electric-controlled plate.Specifically, pass through mesh
The apparent condition of the electric-controlled plate after test is detected depending on detection methods such as, optical microscopies, can detecte electricity by visual observation
It controls and whether occurs obvious rusty stain in the appearance of plate, corrosion phenomenon, electrolytic capacitor whether occurs with the presence or absence of bulge phenomenon etc.；It is logical
It crosses on optical microphotograph sem observation electric-controlled plate and whether metal migration phenomena occurs；It is powered to electric-controlled plate to detect the exhausted of electric-controlled plate
Edge resistance；Furthermore it can be powered to the electric-controlled plate after test, detect the phenomenon that whether there is component damage on electric-controlled plate, electricity
Control plate disorderly rings with the presence or absence of malreduction, crash, buzzer, shows phenomena such as entanglement flashing, relay misoperation are made.Correspondingly,
Acceptance condition can be following at least one: without bulge is not present in corrosion-free phenomenon in rusty stain, appearance, appearance in appearance
Phenomenon, insulation resistance are greater than the insulation resistance lower limit of electric-controlled plate calibration, do not occur metal migration phenomena, electric-controlled plate on electric-controlled plate
Each function normal operation.I.e. when characteristic parameter meets acceptance condition, then electric-controlled plate fault-free is determined.In addition, compared to correlation
In technology for the detection mode of electric-controlled plate, the present invention simulates the actual motion environment of electric-controlled plate by the way that electric-controlled plate to be placed in
In, and then can more effectively eject the failure in electric-controlled plate, so that electric-controlled plate in actual use may
The problem adequately can be exposed and be solved before it is on active service, so that scientific and reasonable maintenance decision is formulated, with
Maintenance cost is saved, and ensures the normal service life of the product with the electric-controlled plate, is conducive to electric utility electric-controlled plate and newly produces
The exploitation of product can effectively instruct the design, maintenance and replacement of electric-controlled plate.
In addition, the automatically controlled board measuring method in the above-mentioned technical proposal provided according to the present invention, can also have following attached
Add technical characteristic:
In the above-mentioned technical solutions, it is preferable that be placed on electric-controlled plate in the salt fog cabinet of the first parameter preset operation
The step of carrying out spraying treatment, specifically includes: detecting and record the initial characteristics parameter of electric-controlled plate；Determine that initial characteristics parameter is full
Sufficient acceptance condition, control salt fog cabinet are run with the first parameter preset；
Electric-controlled plate is placed in salt fog cabinet and carries out spraying treatment.
In the technical scheme, electric-controlled plate is being placed on to carry out spraying place in the salt fog cabinet of the first parameter preset operation
The step of reason, specifically includes detection and records the initial characteristics parameter of electric-controlled plate, and this feature parameter includes the appearance shape of electric-controlled plate
At least one of state, the insulation resistance of electric-controlled plate, functional status of electric-controlled plate.Meanwhile it can be small to pad gap on electric-controlled plate
Position (such as chip pin) take pictures, in order to after test electric-controlled plate and test before electric-controlled plate state carry out appearance pair
Than.In addition, determining that the initial characteristics parameter of electric-controlled plate is all satisfied acceptance condition, it can determine that the electric-controlled plate that do not tested is at this time
Qualified electric-controlled plate is directed to qualified electric-controlled plate and the test that carries out, it is ensured that electric-controlled plate is to be inspired during the test
Failure problems further ensure that the validity of test result.After initial characteristic parameter meets acceptance condition, control salt fog cabinet with
First parameter preset, which runs and electric-controlled plate is placed in salt fog cabinet, carries out spraying treatment.
Further, when multiple electric-controlled plates are placed in salt fog cabinet, multiple samples should be made to be uniformly distributed, it is preferable that can
So that the plate face of electric-controlled plate is placed perpendicular to horizontal direction.Suitable spacing should be retained between multiple samples, be not less than 5cm.Into
One step, sample should keep suitable spacing compared with salt fog cabinet and/or chamber, and spacing is not less than 10cm.Further,
When electric-controlled plate needs to hang, the material for hanging electric-controlled plate cannot use metal, need exhausted using staple fibre or other inertia
Edge material.Further, cannot be directly injected on electric-controlled plate in salt fog cabinet by spraying, prevents occurring condensate liquid on electric-controlled plate
Body, it is ensured that salt fog is slowly deposited in the surface of electric-controlled plate.
In any of the above-described technical solution, it is preferable that the first parameter preset includes: NaCl solution concentration: 1.5% to
3.5% mass ratio.
In the technical scheme, in salt fog cabinet salting liquid be NaCl solution, be directed to market recycling failure electric-controlled plate into
Row surface chemist reaction, and then obtain Na+、Ca+、Cl-、SO42-Content is higher, be easy to cause electric-controlled plate component pin corrosion and absolutely
Edge strength reduction.Therefore, it sets in this test process using NaCl solution as spraying salting liquid.In addition, according to surface chemistry
Analysis is as a result, limit NaCl solution concentration as 1.5% to 3.5% mass ratio.The configuration method of NaCl solution are as follows: be by quality
1.5~3.5 parts of NaCl is dissolved in 96.5~98.5 parts of quality of distilled water or deionized water.With " electrician in the prior art
Electronic product Essential Environment testing regulations test Ka: salt spray test method " employed in NaCl solution it is different, the application
Limit 1.5% to 3.5% mass ratio the properer micro-wave oven electric-controlled plate of NaCl solution actual moving process in corrode from
The concentration of son, can effectively in reflected microwave furnace electric-controlled plate corrosion condition.
In any of the above-described technical solution, it is preferable that the first parameter preset further include: the pH value of NaCl solution: 6.5 to
7.2；The operating temperature of salt fog cabinet: 35 DEG C ± 2 DEG C；The temperature of the saturator of salt fog cabinet: 38 DEG C to 47 DEG C；Spray pressure:
0.7kg/cm2To 1kg/cm2；Salt fog settling amount: 1ml/ (80cm2H) to 2ml/ (80cm2·h)；Spraying duration: 30min is extremely
60min。
In the technical scheme, the temperature of saturator is higher than 5~10 DEG C of operating temperature in salt fog cabinet, when the work of salt fog cabinet
Temperature is 35 DEG C ± 2 DEG C, then the temperature of the saturator of salt fog cabinet is 38 DEG C to 47 DEG C.Preferably, the operating temperature of salt fog cabinet is set
It is 35 DEG C.
In any of the above-described technical solution, it is preferable that NaCl solution concentration is 2% ± 0.5% mass ratio；It is a length of when spraying
30min。
In the technical scheme, enabling NaCl solution concentration in salt fog cabinet is 2% ± 0.5% mass ratio, i.e., by 2 parts of NaCl
It is dissolved in 98 parts of quality of distilled water or deionized water.The application limits the properer microwave of NaCl solution of 2% mass ratio
The concentration of corrosive ions in the actual moving process of furnace electric-controlled plate, can effectively in reflected microwave furnace electric-controlled plate corrosion feelings
Condition.Further, spray cycles are 30min uninterruptedly spraying in salt fog cabinet, it is ensured that can be with uniform settlement Na on electric-controlled plate+With
Cl-, more close to the actual motion environment of electric-controlled plate.
In any of the above-described technical solution, it is preferable that take out electric-controlled plate and to the withering step of electric-controlled plate, tool
Body includes: taking-up electric-controlled plate；Electric-controlled plate is placed in the second preset duration under room temperature environment.
In the technical scheme, it takes out electric-controlled plate and the withering step of electric-controlled plate is specifically included, first will
Electric-controlled plate takes out from salt fog cabinet, and then electric-controlled plate is placed on the second preset duration in room temperature environment so that electric-controlled plate dries in the air naturally
It is dry, so that the energization operational safety of subsequent electric-controlled plate is without hidden danger.
In any of the above-described technical solution, it is preferable that dry second preset duration in the case where electric-controlled plate to be placed in room temperature environment
The step of after, further includes: detection electric-controlled plate whether dry；If it is not, electric-controlled plate is then placed under preset temperature dry third
Preset duration.
In the technical scheme, in the case where electric-controlled plate to be placed in room temperature environment after dry second preset duration, electric-controlled plate is surveyed
Method for testing further includes whether detection electric-controlled plate dries, and when electric-controlled plate has dried, then the electric-controlled plate after drying directly can be placed in examination
Energization operation is carried out in tryoff, and when electric-controlled plate does not dry, then it is pre- that electric-controlled plate can be placed on under preset temperature dry third
If duration.I.e. electric-controlled plate can realize primary drying through the naturally dry of room temperature environment, can also be placed on after salt spray test
Third preset duration carries out redrying under preset temperature, by drying twice to ensure that electric-controlled plate is completely dried, avoids rear
There is safety problem during the continuous operation that is powered.
In any of the above-described technical solution, it is preferable that the second preset duration is more than or equal to 4h；Preset temperature is 55 DEG C ± 2
℃；Third preset duration is 1h.
In the technical scheme, the second preset duration is more than or equal to 4 hours, i.e. electric-controlled plate is placed under room temperature environment
Duration is more than or equal to 4 hours.During redrying, the preset temperature of settable drying box is 55 DEG C ± 2 DEG C, will be through one
Electric-controlled plate after secondary drying, which is placed in drying box dry 1 hour, can be realized being completely dried for electric-controlled plate.
In any of the above-described technical solution, it is preferable that the second parameter preset includes: the temperature of chamber: 35 DEG C to 65 DEG C；
The relative humidity of chamber: 60%RH to 93%RH.
In the technical scheme, the second parameter preset includes the temperature of chamber and the relative humidity of chamber, for
For micro-wave oven electric-controlled plate, the working environment of electric-controlled plate is hot and humid environment, then the ring of the invention according to microwave oven internal
Border situation correspondingly sets the temperature and humidity of chamber, be preferably easy to produce electric-controlled plate in actual use
Failure ejects.Further, the temperature of chamber is 35 to 65 DEG C, it is preferable that the temperature of chamber is 40 DEG C.Chamber
Relative humidity be 60%RH to 93%RH (Relative Humidity), it is preferable that the relative humidity of chamber be 93%
RH.Further, the second parameter preset can be adjusted according to the specifically used operating condition of electric-controlled plate.
In any of the above-described technical solution, it is preferable that the temperature of chamber is 40 DEG C；The relative humidity of chamber is 93%
RH；First preset duration is 4d to 10d.
In the technical scheme, the electric-controlled plate after drying is placed on chamber and is powered and run 4d to 10d, it is preferable that
First preset duration is 4 days.
In any of the above-described technical solution, it is preferable that characteristic parameter includes at least one: the appearance shape of electric-controlled plate
State, the insulation resistance of electric-controlled plate, electric-controlled plate functional status.Wherein it is determined that characteristic parameter meets acceptance condition, electric-controlled plate is determined
Trouble-free specific steps comprise determining that in the appearance of electric-controlled plate without rusty stain；And/or without corruption in the appearance of determining electric-controlled plate
Erosion；And/or determine the appearance of electric-controlled plate without bulge；And/or determine that the insulation resistance of electric-controlled plate is greater than the exhausted of electric-controlled plate calibration
Edge lower resistance limit；And/or determine that the operation function of electric-controlled plate is normal；Determine electric-controlled plate fault-free.
In the technical scheme, characteristic parameter can be the apparent condition, automatically controlled that the appearance of electric-controlled plate can be electric-controlled plate
At least one of the insulation resistance of plate, functional status of electric-controlled plate.Specifically, by visual observation, the detections side such as optical microscopy
Whether method detects the apparent condition of the electric-controlled plate after test, can detecte in the appearance of electric-controlled plate and occur by visual observation
Whether obvious rusty stain there is corrosion phenomenon, electrolytic capacitor with the presence or absence of bulge phenomenon etc.；Pass through optical microphotograph sem observation electric-controlled plate
On whether there is metal migration phenomena；It is powered to electric-controlled plate to detect the insulation resistance of electric-controlled plate；Furthermore after can be to test
Electric-controlled plate be powered, detect electric-controlled plate on whether there is component damage the phenomenon that, electric-controlled plate with the presence or absence of malreduction,
It crashes, buzzer is disorderly rung, shows phenomena such as entanglement flashing, relay misoperation are made.Acceptance condition can carry out in advance according to demand
Setting.That is, acceptance condition can be following at least one: without corrosion-free phenomenon in rusty stain, appearance, outer in appearance
Bulge phenomenon is not present on sight face, insulation resistance is greater than the insulation resistance lower limit of electric-controlled plate calibration, does not occur metal on electric-controlled plate
Each function normal operation of transport phenomena, electric-controlled plate.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the flow diagram of automatically controlled board measuring method according to one embodiment of present invention；
Fig. 2 shows the flow diagrams of automatically controlled board measuring method according to another embodiment of the invention；
Fig. 3 shows the flow diagram of automatically controlled board measuring method according to still another embodiment of the invention；
Fig. 4 shows the flow diagram of automatically controlled board measuring method according to still another embodiment of the invention；
Fig. 5 shows the flow diagram of automatically controlled board measuring method according to still another embodiment of the invention；
Fig. 6 shows the flow diagram of automatically controlled board measuring method according to still another embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to automatically controlled board measuring method described in Fig. 1 to Fig. 6 description according to some embodiments of the invention.
According to the first aspect of the invention, as shown in Figure 1, providing a kind of automatically controlled board measuring method comprising:
Electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation by S102；
S104 takes out electric-controlled plate and electric-controlled plate is dried；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S106
If duration；
S108 detects and records the characteristic parameter of electric-controlled plate；
S110 determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
Automatically controlled board measuring method provided by the invention includes that electric-controlled plate is first placed on the salt run with the first parameter preset
Spraying treatment is carried out in fog chamber, even if electric-controlled plate is in salt mist environment, so that corrosive ions caused by salt fog cabinet act on
On electric-controlled plate.Then the electric-controlled plate after spraying treatment is taken out, and it is dried, it is ensured that electric-controlled plate is in dry shape
State.Electric-controlled plate after drying is placed in chamber the operation that is powered, and then can truly restore electric-controlled plate as far as possible in reality
The running working condition in border.Electric-controlled plate is dried primarily to ensure subsequent electric-controlled plate can normal power-up operation,
It avoids the electric-controlled plate surface moisture taken out from salt fog cabinet and causes energization operation troubles problem.Further, chamber be with
The operation of second parameter preset, and its runing time is the first preset duration, the second parameter preset and the first preset duration are bases
The practical service environment of electric-controlled plate and determine.For example, if above-mentioned parameter should be adjusted to micro-wave oven when electric-controlled plate is used for micro-wave oven
Internal temperature, humidity and operation duration etc. in the process of running.The postrun electric-controlled plate that will be powered directly takes from chamber
Out, without drying again, shorten experimental period, in addition, the characteristic parameter of electric-controlled plate is detected and recorded.Work as characteristic parameter
When meeting acceptance condition, then it can determine that electric-controlled plate fault-free.Further, characteristic parameter can be that the appearance of electric-controlled plate can be
At least one of the apparent condition of electric-controlled plate, the insulation resistance of electric-controlled plate, functional status of electric-controlled plate.Specifically, pass through mesh
The apparent condition of the electric-controlled plate after test is detected depending on detection methods such as, optical microscopies, can detecte electricity by visual observation
It controls and whether occurs obvious rusty stain in the appearance of plate, corrosion phenomenon, electrolytic capacitor whether occurs with the presence or absence of bulge phenomenon etc.；It is logical
It crosses on optical microphotograph sem observation electric-controlled plate and whether metal migration phenomena occurs；It is powered to electric-controlled plate to detect the exhausted of electric-controlled plate
Edge resistance；Furthermore it can be powered to the electric-controlled plate after test, detect the phenomenon that whether there is component damage on electric-controlled plate, electricity
Control plate disorderly rings with the presence or absence of malreduction, crash, buzzer, shows phenomena such as entanglement flashing, relay misoperation are made.Correspondingly,
Acceptance condition can be following at least one: without bulge is not present in corrosion-free phenomenon in rusty stain, appearance, appearance in appearance
Phenomenon, insulation resistance are greater than the insulation resistance lower limit of electric-controlled plate calibration, do not occur metal migration phenomena, electric-controlled plate on electric-controlled plate
Each function normal operation.I.e. when characteristic parameter meets acceptance condition, then electric-controlled plate fault-free is determined.In addition, compared to correlation
In technology for the detection mode of electric-controlled plate, the present invention simulates the ring of the actual motion of electric-controlled plate by the way that electric-controlled plate to be placed in
In border, and then more effectively the failure in electric-controlled plate can be ejected, so that electric-controlled plate in actual use may
The problem of will appear, adequately can be exposed and be solved before it is on active service, so that scientific and reasonable maintenance decision is formulated,
To save maintenance cost, and ensure the normal service life of the product with the electric-controlled plate, it is new to be conducive to electric utility electric-controlled plate
The exploitation of product can effectively instruct the design, maintenance and replacement of electric-controlled plate.
According to one embodiment of present invention, as shown in Fig. 2, providing a kind of automatically controlled board measuring method comprising:
S202 detects and records the initial characteristics parameter of electric-controlled plate；
S204 determines that initial characteristics parameter meets acceptance condition, and control salt fog cabinet is run with the first parameter preset；
Electric-controlled plate is placed in salt fog cabinet and carries out spraying treatment by S206；
S208 takes out electric-controlled plate and electric-controlled plate is dried；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S210
If duration；
S212 detects and records the characteristic parameter of electric-controlled plate；
S214 determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
In the above embodiment, it is preferable that electric-controlled plate is placed on the first parameter preset operation salt fog cabinet in into
It the step of row spraying treatment, specifically includes:
Detect and record the initial characteristics parameter of electric-controlled plate；
Determine that initial characteristics parameter meets acceptance condition, control salt fog cabinet is run with the first parameter preset；
Electric-controlled plate is placed in salt fog cabinet and carries out spraying treatment.
In this embodiment, electric-controlled plate is being placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation
The step of, specifically include detection and record the initial characteristics parameter of electric-controlled plate, this feature parameter include electric-controlled plate apparent condition,
At least one of the insulation resistance of electric-controlled plate, functional status of electric-controlled plate.Meanwhile can be small to pad gap on electric-controlled plate position
It sets (such as chip pin) to take pictures, in order to which to the electric-controlled plate after test and before testing, the state of electric-controlled plate carries out appearance comparison.
In addition, determining that the initial characteristics parameter of electric-controlled plate is all satisfied acceptance condition, the electric-controlled plate that do not tested can determine that at this time to close
Lattice electric-controlled plate is directed to qualified electric-controlled plate and the test that carries out, it is ensured that electric-controlled plate be during the test and be inspired therefore
Barrier problem further ensures that the validity of test result.After initial characteristic parameter meets acceptance condition, salt fog cabinet is controlled with the
One parameter preset, which runs and electric-controlled plate is placed in salt fog cabinet, carries out spraying treatment.
Further, when multiple electric-controlled plates are placed in salt fog cabinet, multiple samples should be made to be uniformly distributed, it is preferable that can
So that the plate face of electric-controlled plate is placed perpendicular to horizontal direction.Suitable spacing should be retained between multiple samples, be not less than 5cm.Into
One step, sample should keep suitable spacing compared with salt fog cabinet and/or chamber, and spacing is not less than 10cm.Further,
When electric-controlled plate needs to hang, the material for hanging electric-controlled plate cannot use metal, need exhausted using staple fibre or other inertia
Edge material.Further, cannot be directly injected on electric-controlled plate in salt fog cabinet by spraying, prevents occurring condensate liquid on electric-controlled plate
Body, it is ensured that salt fog is slowly deposited in the surface of electric-controlled plate.
In one embodiment of the invention, it is preferable that the first parameter preset includes: NaCl solution concentration: 1.5% to
3.5% mass ratio.
In this embodiment, salting liquid is NaCl solution in salt fog cabinet, and the failure electric-controlled plate for being directed to market recycling carries out
Surface chemist reaction, specific data are as follows:
1 cation analysis tables of data of table
2 anion analysis tables of data of table
| Serial number | Time/(min) | Peak title | Peak type | Peak area/(μ S*min) | Peak height/(μ S) | Sample size/(ug/cm2) |
| 1 | 4.18 | Cl- | BMB* | 5.549 | 34.379 | 25.022 |
| 2 | 5.81 | Br- | BMB* | 0.082 | 0.398 | 0.864 |
| 3 | 6.38 | NO3- | BMB* | 0.027 | 0.128 | 0.195 |
| 4 | 10.34 | SO42- | BMB* | 0.766 | 2.281 | 4.460 |
It can be obtained from Tables 1 and 2, Na+、Ca+、Cl-、SO42-Content is higher, and electric-controlled plate component pin is be easy to cause to corrode
It is reduced with dielectric strength.Therefore, it sets in this test process using NaCl solution as spraying salting liquid.In addition, according to surface
Chemical analysis results limit NaCl solution concentration as 1.5% to 3.5% mass ratio.The configuration method of NaCl solution are as follows: by quality
It is dissolved in for 1.5~3.5 parts of NaCl in 96.5~98.5 parts of quality of distilled water or deionized water.With " electricity in the prior art
Work electronic product Essential Environment testing regulations test Ka: salt spray test method " employed in NaCl solution it is different, this Shen
It please limit and corrode in the actual moving process of the properer micro-wave oven electric-controlled plate of NaCl solution of 1.5% to 3.5% mass ratio
The concentration of ion, can effectively in reflected microwave furnace electric-controlled plate corrosion condition.
In one embodiment of the invention, it is preferable that the first parameter preset further include: the pH value of NaCl solution: 6.5 to
7.2；The operating temperature of salt fog cabinet: 35 DEG C ± 2 DEG C；The temperature of the saturator of salt fog cabinet: 38 DEG C to 47 DEG C；Spray pressure:
0.7kg/cm2To 1kg/cm2；Salt fog settling amount: 1ml/ (80cm2H) to 2ml/ (80cm2·h)；Spraying duration: 30min is extremely
60min。
In this embodiment, the temperature of saturator is higher than 5~10 DEG C of operating temperature in salt fog cabinet, when the work temperature of salt fog cabinet
Degree is 35 DEG C ± 2 DEG C, then the temperature of the saturator of salt fog cabinet is 38 DEG C to 47 DEG C.Preferably, the operating temperature of salt fog cabinet is set as
35℃。
In one embodiment of the invention, it is preferable that NaCl solution concentration is 2% ± 0.5% mass ratio；Spraying duration
For 30min.
In this embodiment, enabling NaCl solution concentration in salt fog cabinet is 2% ± 0.5% mass ratio, i.e., 2 parts of NaCl is molten
Solution is in 98 parts of quality of distilled water or deionized water.The application limits the properer micro-wave oven of NaCl solution of 2% mass ratio
With the concentration of corrosive ions in the actual moving process of electric-controlled plate, can effectively in reflected microwave furnace electric-controlled plate corrosion feelings
Condition.Further, spray cycles are 30min uninterruptedly spraying in salt fog cabinet, it is ensured that can be with uniform settlement Na on electric-controlled plate+With
Cl-, more close to the actual motion environment of electric-controlled plate.
According to one embodiment of present invention, as shown in figure 3, providing a kind of automatically controlled board measuring method comprising:
Electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation by S302；
S304 takes out electric-controlled plate；
Electric-controlled plate is placed in the second preset duration under room temperature environment by S306；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S308
If duration；
S310 detects and records the characteristic parameter of electric-controlled plate；
S312 determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
In this embodiment, it takes out electric-controlled plate and the withering step of electric-controlled plate is specifically included, it first will be electric
Control plate takes out from salt fog cabinet, and then electric-controlled plate is placed on the second preset duration in room temperature environment so that electric-controlled plate dries in the air naturally
It is dry, so that the energization operational safety of subsequent electric-controlled plate is without hidden danger.
According to one embodiment of present invention, as shown in figure 4, providing a kind of automatically controlled board measuring method comprising:
Electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation by S402；
S404 takes out electric-controlled plate；
Electric-controlled plate is placed in the second preset duration under room temperature environment by S406；
Whether S408, detection electric-controlled plate dry；
S410, if it is not, electric-controlled plate is then placed under preset temperature dry third preset duration；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S412
If duration；
S414 detects and records the characteristic parameter of electric-controlled plate；
S416 determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
In this embodiment, in the case where electric-controlled plate to be placed in room temperature environment after dry second preset duration, electric-controlled plate test
Method further includes whether detection electric-controlled plate dries, and when electric-controlled plate has dried, then the electric-controlled plate after drying directly can be placed in test
Energization operation is carried out in case, and when electric-controlled plate does not dry, then electric-controlled plate can be placed on under preset temperature dry third and preset
Duration.I.e. electric-controlled plate can realize primary drying through the naturally dry of room temperature environment, can also be placed on pre- after salt spray test
If third preset duration carries out redrying at a temperature of, by drying twice to ensure that electric-controlled plate is completely dried, avoids subsequent
It is powered during running and safety problem occurs.
According to one embodiment of present invention, as shown in figure 5, providing a kind of automatically controlled board measuring method comprising:
S502 detects and records the initial characteristics parameter of electric-controlled plate；
S504 determines that initial characteristics parameter meets acceptance condition, and control salt fog cabinet is run with the first parameter preset；
Electric-controlled plate is placed in salt fog cabinet and carries out spraying treatment by S506；
S508 takes out electric-controlled plate；
Electric-controlled plate is placed in the second preset duration under room temperature environment by S510；
Whether S512, detection electric-controlled plate dry；
S514, if it is not, electric-controlled plate is then placed under preset temperature dry third preset duration；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S516
If duration；
S518 detects and records the characteristic parameter of electric-controlled plate；
S520 determines that characteristic parameter meets acceptance condition, then determines electric-controlled plate fault-free.
In one embodiment of the invention, it is preferable that the second preset duration is more than or equal to 4h；Preset temperature be 55 DEG C ±
2℃；Third preset duration is 1h.
In this embodiment, the second preset duration be more than or equal to 4 hours, i.e., electric-controlled plate be placed under room temperature environment when
It is long to be more than or equal to 4 hours.During redrying, the preset temperature of settable drying box is 55 DEG C ± 2 DEG C, will be through primary
Electric-controlled plate after drying, which is placed in drying box dry 1 hour, can be realized being completely dried for electric-controlled plate.
In one embodiment of the invention, it is preferable that the second parameter preset includes: the temperature of chamber: 35 DEG C to 65
℃；The relative humidity of chamber: 60%RH to 93%RH.
In this embodiment, the second parameter preset includes the temperature of chamber and the relative humidity of chamber, for micro-
For wave furnace electric-controlled plate, the working environment of electric-controlled plate is hot and humid environment, then the environment of the invention according to microwave oven internal
Situation correspondingly sets the temperature and humidity of chamber, with the event for being preferably easy to produce electric-controlled plate in actual use
Barrier ejects.Further, the temperature of chamber is 35 to 65 DEG C, it is preferable that the temperature of chamber is 40 DEG C.Chamber
Relative humidity is 60%RH to 93%RH (Relative Humidity), it is preferable that the relative humidity of chamber is 93%RH.
Further, the second parameter preset can be adjusted according to the specifically used operating condition of electric-controlled plate.
In one embodiment of the invention, it is preferable that the temperature of chamber is 40 DEG C；The relative humidity of chamber is
93%RH；First preset duration is 4d to 10d.
In this embodiment, the electric-controlled plate after drying is placed on chamber and is powered and run 4d to 10d, it is preferable that the
One preset duration is 4 days.
In one embodiment of the invention, it is preferable that characteristic parameter includes at least one: the appearance shape of electric-controlled plate
State, the insulation resistance of electric-controlled plate, electric-controlled plate functional status.
In this embodiment, it can be the apparent condition of electric-controlled plate, electric-controlled plate that characteristic parameter, which can be the appearance of electric-controlled plate,
Insulation resistance, at least one of the functional status of electric-controlled plate.Specifically, by visual observation, the detection methods such as optical microscopy
The apparent condition of electric-controlled plate after test is detected, can detecte in the appearance of electric-controlled plate by visual observation whether occur it is bright
Whether aobvious rusty stain there is corrosion phenomenon, electrolytic capacitor with the presence or absence of bulge phenomenon etc.；By on optical microphotograph sem observation electric-controlled plate
Whether metal migration phenomena is occurred；It is powered to electric-controlled plate to detect the insulation resistance of electric-controlled plate；Furthermore after can be to test
Electric-controlled plate is powered, and detects the phenomenon that whether there is component damage on electric-controlled plate, and electric-controlled plate is with the presence or absence of malreduction, dead
Machine, buzzer disorderly ring, show phenomena such as entanglement flashing, relay misoperation are made.
According to one embodiment of present invention, as shown in fig. 6, providing a kind of automatically controlled board measuring method comprising:
Electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation by S602；
S604 takes out electric-controlled plate and electric-controlled plate is dried；
Electric-controlled plate after drying is placed on pre- with the operation first that is powered in the chamber of the second parameter preset operation by S606
If duration；
S608 detects and records the characteristic parameter of electric-controlled plate；
S610 is determined in the appearance of electric-controlled plate without rusty stain；And/or it is corrosion-free in the appearance of determining electric-controlled plate；And/or
Determine the appearance of electric-controlled plate without bulge；And/or determine that the insulation resistance of electric-controlled plate is greater than under the insulation resistance of electric-controlled plate calibration
Limit；And/or determine that the operation function of electric-controlled plate is normal；
S612 determines electric-controlled plate fault-free.
In this embodiment, acceptance condition can be preset according to demand.That is, acceptance condition can be
Following at least one: without bulge phenomenon, insulated electro is not present in corrosion-free phenomenon in rusty stain, appearance, appearance in appearance
Resistance is greater than each function operation for not occurring metal migration phenomena, electric-controlled plate on the insulation resistance lower limit that electric-controlled plate is demarcated, electric-controlled plate
Normally.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of automatically controlled board measuring method characterized by comprising
The electric-controlled plate is placed on to carry out spraying treatment in the salt fog cabinet of the first parameter preset operation；
It takes out the electric-controlled plate and the electric-controlled plate is dried；
Electric-controlled plate after drying is placed on the first preset duration of operation that is powered in the chamber of the second parameter preset operation；
Detect and record the characteristic parameter of the electric-controlled plate；
It determines that the characteristic parameter meets acceptance condition, then determines the electric-controlled plate fault-free.
2. automatically controlled board measuring method according to claim 1, which is characterized in that it is described by the electric-controlled plate be placed on
The step of carrying out spraying treatment in the salt fog cabinet of first parameter preset operation, specifically includes:
Detect and record the initial characteristics parameter of electric-controlled plate；
It determines that the initial characteristics parameter meets the acceptance condition, controls the salt fog cabinet and transported with first parameter preset
Row；
The electric-controlled plate is placed in the salt fog cabinet and carries out spraying treatment.
3. automatically controlled board measuring method according to claim 1, which is characterized in that first parameter preset includes:
NaCl solution concentration: 1.5% to 3.5% mass ratio.
4. automatically controlled board measuring method according to claim 3, which is characterized in that first parameter preset further include:
The pH value of the NaCl solution: 6.5 to 7.2；
The operating temperature of the salt fog cabinet: 35 DEG C ± 2 DEG C；
The temperature of the saturator of the salt fog cabinet: 38 DEG C to 47 DEG C；
Spray pressure: 0.7kg/cm2To 1kg/cm2；
Salt fog settling amount: 1ml/ (80cm2H) to 2ml/ (80cm2·h)；
Spraying duration: 30min to 60min.
5. automatically controlled board measuring method according to claim 4, which is characterized in that
The NaCl solution concentration is 2% ± 0.5% mass ratio；
A length of 30min when described spraying.
6. automatically controlled board measuring method according to any one of claim 1 to 5, which is characterized in that described to take out the electricity
Plate and to the withering step of the electric-controlled plate is controlled, is specifically included:
Take out the electric-controlled plate；
The electric-controlled plate is placed in the second preset duration under room temperature environment.
7. automatically controlled board measuring method according to claim 6, which is characterized in that the electric-controlled plate is placed in room temperature described
After the step of drying the second preset duration under environment, further includes:
Detect whether the electric-controlled plate dries；
If it is not, the electric-controlled plate is then placed under preset temperature dry third preset duration.
8. automatically controlled board measuring method according to claim 7, which is characterized in that
Second preset duration is more than or equal to 4h；
The preset temperature is 55 DEG C ± 2 DEG C；
The third preset duration is 1h.
9. automatically controlled board measuring method according to any one of claim 1 to 5, which is characterized in that the described second default ginseng
Number includes:
The temperature of the chamber: 35 DEG C to 65 DEG C；
The relative humidity of the chamber: 60%RH to 93%RH.
10. automatically controlled board measuring method according to claim 9, which is characterized in that
The temperature of the chamber is 40 DEG C；
The relative humidity of the chamber is 93%RH；
First preset duration is 4d to 10d.
11. automatically controlled board measuring method according to any one of claim 1 to 5, which is characterized in that
The characteristic parameter comprises at least one of the following: the apparent condition of the electric-controlled plate, the insulation resistance of the electric-controlled plate, institute
State the functional status of electric-controlled plate；
The determination characteristic parameter meets acceptance condition, then determines the trouble-free step of the electric-controlled plate, specifically include:
It determines in the appearance of the electric-controlled plate without rusty stain；And/or
It determines corrosion-free in the appearance of the electric-controlled plate；And/or
Determine the appearance of the electric-controlled plate without bulge；And/or
Determine that the insulation resistance of the electric-controlled plate is greater than the insulation resistance lower limit of electric-controlled plate calibration；And/or
Determine that the operation function of the electric-controlled plate is normal；
Determine the electric-controlled plate fault-free.
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| CN201910475428.4A CN110082669A (en) | 2019-06-03 | 2019-06-03 | Automatically controlled board measuring method |
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| CN201910475428.4A CN110082669A (en) | 2019-06-03 | 2019-06-03 | Automatically controlled board measuring method |
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