CN105466841B - Corrosion detecting method, apparatus and system - Google Patents
Corrosion detecting method, apparatus and system Download PDFInfo
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- CN105466841B CN105466841B CN201410455564.4A CN201410455564A CN105466841B CN 105466841 B CN105466841 B CN 105466841B CN 201410455564 A CN201410455564 A CN 201410455564A CN 105466841 B CN105466841 B CN 105466841B
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Abstract
The invention discloses a kind of corrosion detecting methods, apparatus and system, for detecting the corrosion condition of electronic equipment, saving Corrosion monitoring cost and increasing the accuracy of Corrosion monitoring.This method comprises: obtaining the testing result of corrosion Function detection circuit, the corrosion Function detection is electrically connected to the corrosion weak part of electronic equipment；The corrosion failure service life of the electronic equipment is determined according to the testing result got.
Description
Technical field
The present invention relates to environmental monitoring field more particularly to corrosion detecting methods, apparatus and system.
Background technique
Since air pollution is got worse in recent years, electronic apparatus application environment becomes to become increasingly complex, such as electronics is set
It is standby usually to apply under the adverse circumstances such as such as high temperature and humidity, high sulfur content, salt fog, dust, acidity.Electronic equipment is chronically at
It states under environment, is easy to be corroded, to break down.
Current Corrosion monitoring is mainly carried out in terms of detecting environmental variance:
By real-time monitoring environment parameter, for example, temperature, humidity, hydrogen particle concentration (Potential of Hydrogen, letter
Claim PH) value, salt fog etc., variation, to determine the influence of equipment extent of corrosion.Detailed process is as follows:
The corresponding sensor of each environment parameter acquires environmental data, and collected environmental data is sent to controller,
Controller judges the extent of corrosion of electronic equipment according to the environmental data operational monitoring warning algorithm received.
Judge that the extent of corrosion of electronic equipment specifically has the disadvantage that using the above method:
1, the variation of environment parameter is detected since the above method needs multiple sensors, Corrosion monitoring higher cost is simultaneously
It is difficult to batch duplicating popularization.
2, since corrosion is a complicated chemical change process, it is related to that environmental variance is too many, it can not be from environment parameter
Variation really to reflect the corrosion condition of electronic equipment.
Summary of the invention
The embodiment of the present invention provides a kind of corrosion detecting method, apparatus and system, detects electricity in the prior art to solve
The corrosion condition of sub- equipment, not enough in real time, the problem that testing cost is high and detection accuracy is low.
In a first aspect, the embodiment of the invention provides a kind of corrosion detecting method, for detecting the corrosion feelings of electronic equipment
Condition, comprising:
The testing result of corrosion Function detection circuit is obtained, the corrosion Function detection is electrically connected to the corruption of electronic equipment
Lose weak part；
The corrosion failure service life of the electronic equipment is determined according to the testing result got.
With reference to first aspect, in the first possible implementation of the first aspect, the corrosion Function detection circuit
It is corresponding with predetermined erosion pattern；
When the erosion pattern is electrochemical corrosion, the testing result of corrosion Function detection circuit is obtained, is specifically included:
It obtains in the corrosion Function detection circuit to the electricity between the metal routing two-end-point of slotting comb-shape electrode structure
Pressure difference；Or
Obtain the voltage difference between metal routing two-end-point spiral-shaped in the corrosion Function detection circuit；Or
Obtain the spiral-shaped metal routing hair that the domain reflectometer TDR in the corrosion Function detection circuit is detected
The time of raw corrosion；
It in the corrosion failure service life that the electronic equipment is determined according to the testing result got, specifically includes:
The corrosion failure service life of the electronic equipment is determined according to the voltage difference or the time.
With reference to first aspect, in the second possible implementation of the first aspect, the corrosion Function detection circuit
It is corresponding with predetermined erosion pattern；
When the erosion pattern is chemical attack, the testing result of corrosion Function detection circuit is obtained, is specifically included:
Obtain the voltage value at conventional, electric-resistance or resist chemical resistance both ends in the corrosion Function detection circuit；
It in the corrosion failure service life that the electronic equipment is determined according to the testing result got, specifically includes:
The corrosion of the electronic equipment is determined according to the voltage value of the conventional, electric-resistance or resist chemical resistance both ends
Time；
The electronic equipment is determined according to the etching time of the service life of the electronic equipment and the electronic equipment
The corrosion failure service life.
With reference to first aspect with the first any one into second of possible implementation of first aspect,
In the third possible implementation of one side, the method also includes: it is determined according to the heat dissipation wind channel of the electronic equipment
The corrosion weak part.
Second aspect, the embodiment of the invention also provides a kind of corrosion testing devices, for detecting the corrosion of electronic equipment
Situation, described device include:
Acquiring unit, for obtaining the testing result of corrosion Function detection circuit, the corrosion Function detection circuit connection
In the corrosion weak part of electronic equipment；
Determination unit, for determining the corrosion failure service life of the electronic equipment according to the testing result got.
In conjunction with second aspect, in the first possible implementation of the second aspect, the determination unit is also used to really
Determine the erosion pattern of electronic equipment, the corrosion Function detection circuit is corresponding with the erosion pattern that the determination unit determines；
The acquiring unit, is specifically used for:
When the erosion pattern that the determination unit determines is electrochemical corrosion, obtain in the corrosion Function detection circuit
To the voltage difference between the metal routing two-end-point of slotting comb-shape electrode structure；Or
Obtain the voltage difference between metal routing two-end-point spiral-shaped in the corrosion Function detection circuit；Or
Obtain the spiral-shaped metal routing hair that the domain reflectometer TDR in the corrosion Function detection circuit is detected
The time of raw corrosion；
The determination unit, specifically for determining the corruption of the electronic equipment according to the voltage difference or the time
Lose the burn-out life.
In conjunction with second aspect, in a second possible implementation of the second aspect, the determination unit is also used to, really
The erosion pattern of locking equipment, the corrosion Function detection circuit are corresponding with the erosion pattern that the determination unit determines；
The detection unit, specifically for obtaining institute when the determining erosion pattern of the determination unit is chemical attack
State the voltage value at conventional, electric-resistance or resist chemical resistance both ends in corrosion Function detection circuit；
The determination unit, it is true specifically for the voltage value according to the conventional, electric-resistance or resist chemical resistance both ends
The etching time of the fixed electronic equipment；Etching time according to the service life of the electronic equipment and the electronic equipment is true
The corrosion failure service life of the fixed electronic equipment.
In conjunction with any one of the first of second aspect and second aspect into second of possible implementation,
In the third possible implementation of second aspect, the determination unit is also used to true according to the heat dissipation wind channel of electronic equipment
The fixed corrosion weak part.
The third aspect, the embodiment of the invention also provides a kind of corrosion detection systems, comprising:
Such as electricity of the first of the third aspect and the third aspect into the third possible implementation as described in any one
Sub- equipment corrosion testing device；With
At least one corrosion Function detection circuit, the corrosion that the corrosion Function detection is electrically connected to electronic equipment are weak
Position.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the corrosion Function detection circuit
It is corresponding with predetermined erosion pattern, when the erosion pattern is electrochemical corrosion, the corrosion Function detection circuit
Include:
To the metal routing and resistance of slotting comb-shape electrode structure；The metal routing of described pair of slotting comb-shape electrode structure
Side is connected with the side of the resistance, other side ground connection；The other side of the resistance is for connecting electronic equipment to be detected
Corrode weak location；Or
Two parallel and disjoint spiral-shaped metal routings and resistance；Wherein a rotation shaped metal cabling is most
The line end of outer ring is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects the side of the resistance, the electricity
The other side of resistance is used to connect the corrosion weak location of electronic equipment to be detected；Or
Two parallel and disjoint spiral-shaped metal routings and domain reflectometer TDR；Wherein one it is spiral-shaped
The line end of the outmost turns of metal routing is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects the TDR's
Side, the other side of the TDR connect the corrosion weakness seat of electronic equipment to be detected, and two spiral-shaped metals are walked
Spacing between line is gradually increased by innermost circle to outmost turns.
Using scheme provided in an embodiment of the present invention, the corrosion of the corrosion weak part of electronic equipment is connected to by obtaining
The testing result of Function detection circuit, judges corrosion condition and degree, without determining electronics indirectly by detection environment parameter
The accuracy of Corrosion monitoring can be improved in the corrosion condition of equipment；Environment parameter is detected due to not needing various sensors, may be used also
To save Corrosion monitoring cost, and it is convenient for scale application.
Detailed description of the invention
Fig. 1 is electronic equipment corrosion detecting method flow chart provided in an embodiment of the present invention；
Fig. 2 is a kind of electrochemical corrosion Function detection circuit provided in an embodiment of the present invention；
Fig. 3 is another electrochemical corrosion Function detection circuit provided in an embodiment of the present invention；
Fig. 4 is another electrochemical corrosion Function detection circuit provided in an embodiment of the present invention；
Fig. 5 is the length of spiral of Archimedes provided in an embodiment of the present invention and the relation curve of etching time；
Fig. 6 is chemical attack Function detection circuit provided in an embodiment of the present invention；
Fig. 7 is sulfuration resistant resistance provided in an embodiment of the present invention and time and the change in resistance curve for vulcanizing resistance；
Fig. 8 is a kind of electronic equipment corrosion testing device schematic diagram provided in an embodiment of the present invention；
Fig. 9 is another electronic equipment corrosion testing device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
By determining the erosion pattern of electronic equipment and corroding weak part in the embodiment of the present invention；According to determining electronics
The erosion pattern of equipment is in corrosion weak part junction corrosion Function detection circuit, according to the detection knot of corrosion Function detection circuit
Fruit determines the corrosion condition of electronic equipment.By increased corrosion Function detection circuit on an electronic device directly to electronic equipment
Corrosion condition detected, rather than by various sensors sense environmental amounts indirectly determine electronic equipment corrosion condition,
It saves Corrosion monitoring cost and increases the accuracy of Corrosion monitoring.
The embodiment of the invention provides a kind of corrosion detecting methods, for detecting the corrosion condition of electronic equipment, this method
It can be executed by controller, which can be set in electronic equipment internal, it also can be set in electronic device exterior,
It can be executed by some monitoring device, as shown in Figure 1, this method comprises:
Step 101: obtaining the testing result of corrosion Function detection circuit, the corrosion Function detection is electrically connected to electronics
The corrosion weak part of equipment.
Wherein, the corrosion Function detection circuit is corresponding with predetermined erosion pattern.
The corrosion weak part and erosion pattern of the electronic equipment can be in advance by controller or monitoring device into
Row determines.
Optionally, it can will corrode the separately made corrosion Function detection circuit board of Function detection circuit, corrosion function inspection
Slowdown monitoring circuit plate is connected in the reserved space of corrosion weak part of electronic equipment.
Such as: typical network equipment erosion pattern includes: electrochemical corrosion and chemical attack.Electrochemical corrosion includes original
Battery corrosion and electrolytic cell corrosion, galvanic corrosion include isolated cabling corrosion and galvanic corrosion, and electrolytic cell corrosion includes high pressure
Difference and the corrosion of walking line burn into Ion transfer and conductive anodic silk (Conductive Anodic Filament, abbreviation CAF)
Corrosion.Chemical attack includes resistance sulfidation corrosion and high temperature oxidation and corrosion.
When erosion pattern is electrochemical corrosion, the testing result for obtaining corrosion Function detection circuit is specifically included:
It obtains in the corrosion Function detection circuit between the two-end-point of the metal routing of slotting comb-shape electrode structure
Voltage difference；Or
Obtain the voltage difference between the two-end-point of metal routing spiral-shaped in the corrosion Function detection circuit；Or
Obtain domain reflectometer (Time-Domain Reflectometry, the abbreviation in the corrosion Function detection circuit
TDR the time that the spiral-shaped metal routing) detected corrodes.
When erosion pattern is chemical attack, the testing result for obtaining corrosion Function detection circuit is specifically included: being obtained
Take the voltage value at conventional, electric-resistance or resist chemical resistance both ends in the corrosion Function detection circuit.
It can be by determining the corrosion weak part of the electronic equipment according to the heat dissipation wind channel of the electronic equipment.Example
Such as, can the heat dissipation wind channel to the electronic equipment carry out the corrosion weak part that emulation determines the electronic equipment；It can also be with
The corrosion weak part of the electronic equipment is determined according to the structure of the electronic equipment and heat dissipation wind channel design.Due to usually only
There is heat dissipation wind channel that can bring the chemical substance in air, such as water, dust, hydrogen sulfide (H2S) etc., it causes in the electronic equipment
Device near heat dissipation wind channel is easier to corrode.
Under normal conditions, corrosion weak part concentrates on the inlet region of heat dissipation wind channel of the electronic equipment (inlet region is easy
Dust accumulation, easy condensation), the windward area (due to the easy dust accumulation in windward area) of high thermal device, the cold wind area of equipment and local cold spot are (due to cold
The easy condensation in wind area).Wherein local cold spot refers to: wind speed is relatively high around the heat dissipation wind channel of the electronic equipment and does not have high fever
The point of device.
The corruption that emulation determines the electronic equipment can be carried out to the electronic equipment by dedicated fluid emulation software
Lose weak part.Such as: heat conduction analysis simulation software (flotherm), fluid emulation software.Step 102: according to getting
Testing result determine corrosion failure service life of the electronic equipment.
When erosion pattern is electrochemical corrosion, the testing result that the basis is got determines the corruption of the electronic equipment
The burn-out life is lost, specifically includes: determining the corrosion failure service life of electronic equipment according to the voltage difference or the time.
When erosion pattern is chemical attack, the testing result that the basis is got determines the corrosion of the electronic equipment
Burn-out life specifically includes:
The etching time of the electronic equipment is determined according to the voltage value of conventional, electric-resistance or resist chemical resistance both ends；
The corrosion failure service life of the electronic equipment is determined according to the service life of the electronic equipment and the etching time.
The remaining life (life time) that corrosion failure service life, in particular to corrosion to the electronic equipment fail.
When erosion pattern is electrochemical corrosion, method provided in an embodiment of the present invention is primarily directed to dust accumulation and condensation etc.
The detection of the electrochemical corrosion of factor.The corrosion Function detection circuit may include following several possible implementations:
In the first possible implementation, corrosion Function detection circuit as shown in Figure 2 can be used, grid are properly termed as
Shape printed circuit board (Printed Circuit Board, abbreviation PCB) gyroelectric, to realize the detection of extent of corrosion.The corruption
Erosion Function detection circuit includes the metal routing and resistance R to slotting comb-shape electrode structure, and one end is set by resistance R with electronics
Standby high voltage network is connected, other end ground connection.High voltage network pass through resistance after with ground wire (Ground, the guide number D) shape on PCB
At metal grid lines, it is referred to as comb teeth.As shown in Fig. 2, the spacing between each connected comb teeth is h, corrosion is weak
Position can connect the corresponding corrosion Function detection circuit of multiple electrochemical corrosion, i.e. grid shape PCB gyroelectric, and each
The pectination space width for corroding Function detection circuit can be different.The embodiment of the present invention is for being arranged 7 comb teeths, specific pectination
The quantity of tooth is related with the corrosion area coverage of weak part.
Wherein, each spacing indicates different extent of corrosions.Due between each adjacent comb teeth metal routing
There are voltage difference, which generates electric field between adjacent comb teeth metal routing, but due to the shadow of electrochemical corrosion
It rings, so that the ion of the corresponding metal routing of high pressure is migrated to the corresponding metal routing of low pressure, so as to slotting pectination electricity
Voltage between two endpoints of metal routing of pole structure gradually becomes smaller to a certain preset value.The spacing of comb teeth is different, to slotting
Comb-shape electrode structure two endpoints of metal routing between voltage to gradually become smaller the time to a certain preset value also different.Cause
This can determine the time of electrochemical corrosion according to the voltage between two endpoints of metal routing to slotting comb-shape electrode structure,
So that it is determined that the corrosion failure service life of electronic equipment.
Between the metal routing two-end-point to slotting comb-shape electrode structure to obtain each corrosion Function detection circuit
Voltage value, to determine the corrosion failure service life of the electronic equipment according to each voltage value.
In second of possible implementation, can using corrosion Function detection circuit as shown in Figure 3, (this structure can be with
Referred to as Archimedes's circuit) realize the detection of extent of corrosion.The corrosion Function detection circuit includes: two parallel and non-intersecting
Archimedian screw shape metal routing and resistance；The wherein outmost turns of an Archimedian screw shaped metal cabling
The line end of line end ground connection, the outmost turns of another Archimedian screw shaped metal cabling connects the electronics by the resistance
Equipment.
Wherein it is possible to be two metal routings from most inner lane to outmost turns spiral when according to scheduled spacing；It can also be
Two metal routings are according to from spacing H2 to spacing H1 from most inner lane to outmost turns spiral, as shown in Figure 3.
The circle number of specific spiral is related with the corrosion area coverage of weak part.That is: the area coverage circle number of getting over king bolt
It is more.Corrosion weak part can connect the corresponding corrosion Function detection circuit of multiple electrochemical corrosion (Archimedes's electricity
Road), and the range of the spacing difference or spacing variation between two metal lines of each corrosion Function detection circuit is not
Together.
Wherein, the different extent of corrosion of the Range Representation that each spacing or spacing change.Due to being walked in two metals
There are voltage difference between line, which generates electric field between adjacent comb teeth metal routing, but due to electrochemistry corruption
The influence of erosion, so that the ion of the corresponding metal routing of high pressure is migrated to the corresponding metal routing of low pressure, so that two gold
The voltage belonged between cabling gradually becomes smaller to a certain preset value.Spacing or spacing range between two technology cablings is different
(such as H2~H1) is different, and it is also different that the voltage between two metal routings gradually becomes smaller the time to a certain preset value.Therefore,
It can also be according to the voltage between two metal routings in outmost turns, that is, detect above-mentioned resistance and walked with Archimedian screw metal
The voltage value of the connected one end of line, monitoring point as shown in Figure 3 determines the time of electrochemical corrosion, so that it is determined that electronic equipment
The corrosion failure service life.
Optionally, the table of comparisons of voltage value, spacing and corrosion failure service life can be formulated in advance.Preferably, formulating in advance
The table of comparisons of environment parameter value and voltage value, spacing and corrosion failure service life.As shown in table 1.
Table 1
After measuring the voltage of corrosion Function detection circuit of corresponding cabling spacing, environment parameter is measured (such as 1 institute of table
Operating temperature, relative humidity and the ion concentration shown), the corrosion failure service life is determined according to table.
In the third possible implementation, corrosion Function detection circuit as shown in Figure 4 can also be used, is properly termed as
Archimedes's circuit, to realize the detection of extent of corrosion.The corrosion Function detection circuit include: two parallel and disjoint Ah
Base Mead spiral-shaped metal routing and TDR；The wherein line end of the outmost turns of an Archimedian screw shaped metal cabling
The line end of ground connection, the outmost turns of another Archimedian screw shaped metal cabling passes through the TDR connection electronic equipment,
Spacing between the metal routing of two Archimedian screw shapes is gradually increased from most inner lane to outmost turns.
When realizing the detection of extent of corrosion using electrochemical corrosion Function detection circuit as shown in Figure 4: can be sent out by TDR
Send a sharp pulse, then detect the position of the sharp pulse of reflection judge corrosion there is a situation where.Specifically: in the A Ji meter
Pulse can be transferred to distal point and then reflect again in the case that moral spiral metal cabling does not corrode；But in A Ji meter
After moral spiral metal cabling corrodes, it is possible that occurring between metal routing generation open circuit or two metal routings short
The case where road, just has pulse-echo to return, wherein hot spot includes breakpoint and short dot in hot spot.For example, corruption shown in Fig. 4
The hot spot that metal routing occurs in Function detection circuit is lost, after pulse is transferred to the hot spot, has partial pulse directly anti-
It is emitted back towards and.As shown in figure 5, obtaining spacing corresponding to the hot spot corroded by judging the position of pulse-echo point
H3, to determine the corrosion failure service life of electronic equipment according to spacing H3.
When making Archimedes's circuit, metal routing length and cabling spacing range can determine, thus according to reception
The rate transmitted to the time of reflection point reflected impulse and pulse in metal routing, determines the corresponding spacing of hot spot, thus root
The corrosion failure service life is determined according to spacing.
Such as: the pulse-echo time shown in Fig. 5 is t1, it may be predetermined that transmission speed of the pulse in metal routing
Rate V, to can determine hot spot according to V*t1/2, the metal routing length that is determined when further according to production Archimedes's circuit and
The corresponding relationship of cabling spacing determines the corresponding spacing of hot spot that corrosion occurs, so that it is determined that the corrosion failure service life.
Using corrosion Function detection circuit (Archimedes's circuit) shown in Fig. 4, grid shape PCB gyroelectric is compared, it is only necessary to
A circuit is wanted to can be achieved with the detection function of grid shape PCB gyroelectric of the metal grid lines of multiple and different spacing.
If erosion pattern is chemical attack, for this sentences sulfidation corrosion, can be examined using corrosion function as shown in FIG. 6
Slowdown monitoring circuit.The corrosion Function detection circuit includes vulcanization resistance R1 (conventional, electric-resistance) and sulfuration resistant resistance R2.Wherein vulcanize resistance
R1 is connected with sulfuration resistant resistance R2, and side ground connection, the other side is connected with electronic equipment.
Optionally, vulcanization resistance R1 is equal with the initial resistivity value of sulfuration resistant resistance R2, naturally it is also possible to unequal.
Measure conventional, electric-resistance R1 or the voltage value at the both ends sulfuration resistant resistance R2 in the corrosion Function detection circuit；According to this
Conventional, electric-resistance R1 or the voltage value at the both ends sulfuration resistant resistance R2 determine the etching time of the electronic equipment；According to the electronic equipment
Service life and the electronic equipment etching time, determine the corrosion failure service life of the electronic equipment.
Shown in Fig. 7 are as follows: change in resistance and time change of the vulcanization resistance R1 and sulfuration resistant resistance R2 in the environment of sulfur-bearing
Relation curve.As can be seen from the figure 7, the time vulcanized at resistance R1 within sulfur is longer, vulcanizes the electricity of resistance R1
Resistance value is bigger, so that the partial pressure value for vulcanizing the both ends resistance R1 is also bigger.And the resistance value of sulfuration resistant resistance R2 is hardly by sulfur-bearing
The influence of environment.Therefore, vulcanization electricity can be determined according to the partial pressure value of the vulcanization resistance R1 or the both ends sulfuration resistant resistance R2
The change in resistance of resistance determines that the time (is corroded) in the vulcanization of the electronic equipment according to the variation of the resistance value.According to the vulcanization time
Determine the corrosion failure service life of the electronic equipment.
Optionally, after determining the corrosion failure service life of electronic equipment according to the testing result got, the method is also
May include:
When determining that the corrosion failure service life is greater than scheduled corrosion failure threshold value, alarm is issued.
It is made a sound or the alarm of light form specifically, issuing early warning and can be, or according to preset mobile phone
Number is in the form of short message, or in the form of E-mail according to preset e-mail address, to making for the electronic equipment
User issues alarm.
Using corrosion detecting method provided in an embodiment of the present invention, the corrosion weak point of electronic equipment is connected to by obtaining
The testing result of the corrosion Function detection circuit of position, judges corrosion condition and degree, without indirect by detection environment parameter
The corrosion condition of electronic equipment is determined, to improve the accuracy of Corrosion monitoring；It is detected due to not needing various sensors
Environment parameter can save Corrosion monitoring cost, and be convenient for scale application.
The embodiment of the invention also provides a kind of corrosion testing devices, for detecting the corrosion condition of electronic equipment, such as Fig. 8
Shown, which includes:
Acquiring unit 801, for obtaining the testing result of corrosion Function detection circuit, the corrosion Function detection circuit connects
Connect the corrosion weak part in electronic equipment；
Determination unit 802, the testing result for being got according to acquiring unit 801 determine the corrosion of the electronic equipment
Burn-out life.
Specifically, determination unit 802 is also used to, the erosion pattern of electronic equipment is determined；
The corrosion Function detection circuit is corresponding with the erosion pattern that determination unit 802 determines, acquiring unit 801 is specific
For:
When the erosion pattern that determination unit 802 determines is electrochemical corrosion, obtain in the corrosion Function detection circuit
To the voltage difference between the metal routing two-end-point of slotting comb-shape electrode structure；Or
Obtain the voltage difference between metal routing two-end-point spiral-shaped in the corrosion Function detection circuit；Or
Obtain that the spiral-shaped metal routing that detects of TDR in the corrosion Function detection circuit corrodes when
Between；
The determination unit 802 is specifically used for:
The voltage difference or time got according to acquiring unit 801 determines the corrosion failure longevity of the electronic equipment
Life.
Specifically, determination unit 802 is also used to, the erosion pattern of electronic equipment is determined；
The corrosion Function detection circuit is corresponding with the erosion pattern that determination unit 802 determines, acquiring unit 801, tool
Body is used for when the erosion pattern that determination unit 802 determines is chemical attack, is obtained common in the corrosion Function detection circuit
Resistance or the voltage value at resist chemical resistance both ends；
Determination unit 802 is specifically used for:
The voltage value of the conventional, electric-resistance or resist chemical resistance both ends that are got according to the acquiring unit 801
Determine the etching time of the electronic equipment；According to the service life of the electronic equipment and the etching time of the electronic equipment
Determine the corrosion failure service life of the electronic equipment.
Optionally, the device further include:
Prewarning unit, for determining that the corrosion failure service life is greater than scheduled corrosion failure threshold value in determination unit 802
When, issue alarm.
Optionally, device further include: the determination unit is also used to according to the determination of the heat dissipation wind channel of electronic equipment
Corrode weak part.
The embodiment of the invention also provides a kind of corrosion detection systems, comprising: as in Fig. 8 shown device embodiment of the present invention
The corrosion testing device and at least one corrosion Function detection circuit, the corrosion Function detection is electrically connected to electronics and sets
Standby corrosion weak part.
The corrosion Function detection circuit is corresponding with predetermined erosion pattern, and the erosion pattern includes electrochemistry
Corrosion, chemical attack etc..
When the erosion pattern includes electrochemical corrosion, which includes following a variety of possible realities
Existing mode:
In the first possible implementation, can using corrosion Function detection circuit as shown in Figure 2, (this structure can be with
Referred to as grid shape PCB gyroelectric) realize the detection of extent of corrosion.The corrosion Function detection circuit includes to slotting comb electrode
The metal routing and resistance of structure, one end are connected by resistance with the high voltage network of electronic equipment, other end ground connection.High-Voltage Network
Network is referred to as comb teeth by forming metal grid lines on PCB with GND (ground wire) after resistance.As shown in Fig. 2, each phase
Spacing between comb teeth even is h, and corrosion weak part can connect multiple above-mentioned corrosion Function detection circuits, i.e. grid shape
PCB gyroelectric, and the pectination space width of each corrosion Function detection circuit can be different.The embodiment of the present invention is to be arranged
For 7 comb teeths, the quantity of specific comb teeth is related with the corrosion area coverage of weak part.
Wherein, each spacing indicates different extent of corrosions.Due between each adjacent comb teeth metal routing
There are voltage difference, which generates electric field between adjacent comb teeth metal routing, but due to the shadow of electrochemical corrosion
It rings, so that the ion of the corresponding metal routing of high pressure is migrated to the corresponding metal routing of low pressure, so as to slotting pectination electricity
Voltage between two endpoints of metal routing of pole structure gradually becomes smaller to a certain preset value.The spacing of comb teeth is different, to slotting
Comb-shape electrode structure two endpoints of metal routing between voltage to gradually become smaller the time to a certain preset value also different.Cause
This can determine the time of electrochemical corrosion according to the voltage between two endpoints of metal routing to slotting comb-shape electrode structure,
So that it is determined that the corrosion failure service life of electronic equipment.
Obtain the electricity between the metal routing two-end-point to slotting comb-shape electrode structure of each corrosion Function detection circuit
Pressure value, to determine the corrosion failure service life of the electronic equipment according to each voltage value.
In second of possible implementation, can using corrosion Function detection circuit as shown in Figure 3, (this structure can be with
Referred to as Archimedes's circuit) realize the detection of extent of corrosion.The corrosion Function detection circuit includes: two Archimedian screws
The metal routing and resistance of shape；The wherein line end ground connection of the outmost turns of an Archimedian screw shaped metal cabling is another
The line end of the outmost turns of Archimedian screw shaped metal cabling connects the electronic equipment by the resistance, and described two
It is non-intersecting between the metal routing of Archimedian screw shape.
Wherein it is possible to be two metal routings from most inner lane to outmost turns spiral when according to scheduled spacing；It can also be
Two metal routings are according to from spacing H2 to spacing H1 from most inner lane to outmost turns spiral, as shown in Figure 3.
The circle number of specific spiral is related with the corrosion area coverage of weak part.That is: the area coverage circle number of getting over king bolt
It is more.Corrosion weak part can connect the corresponding corrosion Function detection circuit of multiple electrochemical corrosion (Archimedes's electricity
Road), and the range of the spacing difference or spacing variation between two metal lines of each corrosion Function detection circuit is not
Together.
Wherein, the different extent of corrosion of the Range Representation that each spacing or spacing change.Due to being walked in two metals
There are voltage difference between line, which generates electric field between adjacent comb teeth metal routing, but due to electrochemistry corruption
The influence of erosion, so that the ion of the corresponding metal routing of high pressure is migrated to the corresponding metal routing of low pressure, so that two gold
The voltage belonged between cabling gradually becomes smaller to a certain preset value.Spacing or spacing range between two technology cablings is different
(such as H2~H1) is different, and it is also different that the voltage between two metal routings gradually becomes smaller the time to a certain preset value.Therefore,
Above-mentioned resistance and Archimedian screw metal routing can also be detected according to the voltage between two metal routings in outmost turns
The voltage value of connected one end, monitoring point as shown in Figure 3 determine the time of electrochemical corrosion, so that it is determined that electronic equipment
The corrosion failure service life.
Optionally, the table of comparisons of voltage value, spacing and corrosion failure service life can be formulated in advance.Preferably, formulating in advance
The table of comparisons of environment parameter value and voltage value, spacing and corrosion failure service life.As shown in table 1.
After measuring the voltage of corrosion Function detection circuit of corresponding cabling spacing, environment parameter is measured (such as 1 institute of table
Operating temperature, relative humidity and the ion concentration shown), the corrosion failure service life is determined according to table.
In the third possible implementation, can using corrosion Function detection circuit as shown in Figure 4, (this structure can be with
Referred to as Archimedes's circuit) realize the detection of extent of corrosion.The corrosion Function detection circuit includes: two Archimedian screws
The metal routing and TDR of shape；The wherein line end ground connection of the outmost turns of an Archimedian screw shaped metal cabling, another
The line end of the outmost turns of Archimedian screw shaped metal cabling by the TDR connection electronic equipment, two Ah
It is non-intersecting between the spiral-shaped metal routing of base Mead, and spacing is gradually increased from most inner lane to outmost turns.
When realizing the detection of extent of corrosion using electrochemical corrosion Function detection circuit as shown in Figure 4: can be sent out by TDR
Send a sharp pulse, then detect the position of the sharp pulse of reflection judge corrosion there is a situation where.Specifically: in the A Ji meter
Pulse can be transferred to distal point and then reflect again in the case that moral spiral metal cabling does not corrode；But in A Ji meter
After moral spiral metal cabling corrodes, it is possible that occurring between metal routing generation open circuit or two metal routings short
The case where road, just has pulse-echo to return, wherein hot spot includes breakpoint and short dot in hot spot.For example, as shown in Figure 4
Corrosion Function detection circuit in the hot spot that occurs of metal routing, after pulse is transferred to the hot spot, have partial pulse straight
It connects and reflects.As shown in figure 5, between being obtained corresponding to the hot spot corroded by judging the position of pulse-echo point
Away from H3, to determine the corrosion failure service life of electronic equipment according to spacing H3.
When making Archimedes's circuit, metal routing length and cabling spacing range can determine, thus according to reception
The rate transmitted to the time of reflection point reflected impulse and pulse in metal routing determines and determines that the hot spot that corrosion occurs is corresponding
Spacing, to determine the corrosion failure service life according to spacing.
Such as: the pulse-echo time shown in Fig. 5 is t1, it may be predetermined that transmission speed of the pulse in metal routing
Rate V, to can determine hot spot according to V*t1/2, the metal routing length that is determined when further according to production Archimedes's circuit and
The corresponding relationship of cabling spacing determines the corresponding spacing of hot spot that corrosion occurs, so that it is determined that the corrosion failure service life.
Using corrosion Function detection circuit (Archimedes's circuit) shown in Fig. 4, grid shape PCB gyroelectric is compared, it is only necessary to
A circuit is wanted to can be achieved with the detection function of grid shape PCB gyroelectric of the metal grid lines of multiple and different spacing.
When the erosion pattern includes chemical attack, the corresponding corrosion Function detection circuit of chemical attack includes: anti-ization
Learn corrosion resistance and conventional, electric-resistance；The conventional, electric-resistance side ground connection, the other side is connected with the resist chemical resistance；It is described
Resist chemical resistance side is connected with the conventional, electric-resistance, and the other side connects the electronic equipment.
By taking sulfidation corrosion as an example, corrosion Function detection circuit as shown in FIG. 6 can be used.The corrosion Function detection circuit
Including vulcanizing resistance R1 conventional, electric-resistance) and sulfuration resistant resistance R2.Wherein vulcanization resistance R1 is connected with sulfuration resistant resistance R2, and one flanks
Ground, the other side are connected with electronic equipment.
By measuring conventional, electric-resistance R1 or the voltage value at the both ends sulfuration resistant resistance R2 in the corrosion Function detection circuit；Root
The change in resistance that the vulcanization resistance is determined according to the voltage value of conventional, electric-resistance R1 or the both ends sulfuration resistant resistance R2, according to the resistance value
Variation determine the electronic equipment etching time；According to the etching time of the electronic equipment, the corrosion of the electronic equipment is determined
Burn-out life.
Based on inventive concept same as above method embodiment, the embodiment of the invention also provides a kind of Corrosion monitoring dresses
It sets, for detecting the corrosion condition of electronic equipment, as shown in figure 9, the device includes processor 901 and connect with processor 901
Memory 902.
The memory 902, for storing program.Specifically, program may include program code, said program code packet
Include computer operation instruction.Memory 902 may include random access memory (random access memory, abbreviation
RAM), it is also possible to further include nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
The processor 901 executes the program that the memory 902 is stored, and realizes that present invention electronics shown in FIG. 1 is set
Standby corrosion detecting method, comprising:
The testing result of corrosion Function detection circuit is obtained, the corrosion Function detection is electrically connected to the corruption of electronic equipment
Lose weak part；The corrosion failure service life of the electronic equipment is determined according to the testing result got.
It is corresponding with predetermined erosion pattern that the memory 902 is also used to store the corrosion Function detection circuit
Relationship；When the erosion pattern is electrochemical corrosion, the testing result of corrosion Function detection circuit is obtained, is specifically included:
It obtains in the corrosion Function detection circuit to the electricity between the metal routing two-end-point of slotting comb-shape electrode structure
Pressure difference；Or obtain the voltage difference corroded between metal routing two-end-point spiral-shaped in Function detection circuit；Or
The domain reflectometer TDR obtained in the corrosion Function detection circuit for the corrosion weak part for being connected to electronic equipment is detected
Time for corroding of spiral-shaped metal routing；
The memory 902 is also used to store the corresponding relationship of scheduled voltage difference Yu time and corrosion failure service life.Example
Such as: voltage value, spacing and the table of comparisons in corrosion failure service life that storage is formulated in advance, as shown in table 1.
It in the corrosion failure service life that the electronic equipment is determined according to the testing result got, specifically includes:
The corresponding relationship of the voltage difference or the time and corrosion failure service life that are stored according to memory 902 determines
The corrosion failure service life of the electronic equipment.
The corrosion Function detection circuit is corresponding with predetermined erosion pattern；When the erosion pattern is that chemistry is rotten
When erosion, the testing result of corrosion Function detection circuit is obtained, is specifically included:
Obtain the voltage value at conventional, electric-resistance or resist chemical resistance both ends in the corrosion Function detection circuit；
The memory 902 is also corroded with the voltage value and electronic equipment of storage conventional, electric-resistance or resist chemical resistance
Corresponding time relationship table, such as the change in resistance of vulcanization resistance R1 and sulfuration resistant resistance R2 shown in Fig. 7 in the environment of sulfur-bearing
With the relation curve of time change, the voltage value of the conventional, electric-resistance or resist chemical resistance that are then determined according to relation curve
With electronic equipment etching time mapping table.
It in the corrosion failure service life that the electronic equipment is determined according to the testing result got, specifically includes:
The corrosion of the electronic equipment is determined according to the voltage value of the conventional, electric-resistance or resist chemical resistance both ends
Time；The corrosion of the electronic equipment is determined according to the etching time of the service life of the electronic equipment and the electronic equipment
Burn-out life.
Other, which do not use up details, can refer to present invention embodiment of the method shown in FIG. 1, and details are not described herein.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from model of the invention by those skilled in the art
It encloses.In this way, if these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology, then
The present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of corrosion detecting method, for detecting the corrosion condition of electronic equipment characterized by comprising
The testing result of corrosion Function detection circuit is obtained, the corrosion that the corrosion Function detection is electrically connected to electronic equipment is thin
Weak position；
The corrosion failure service life of the electronic equipment is determined according to the testing result got；
The corrosion Function detection circuit is corresponding with predetermined erosion pattern；
When the erosion pattern is electrochemical corrosion, the testing result of corrosion Function detection circuit is obtained, is specifically included:
It include the metal routing and resistance to slotting comb-shape electrode structure in the corrosion Function detection circuit；Described pair of slotting comb
The side of the metal routing of shape electrode structure is connected with the side of the resistance, other side ground connection；It uses the other side of the resistance
In the corrosion weak part for connecting the electronic equipment, then obtain in the corrosion Function detection circuit to slotting comb electrode knot
Voltage difference between the metal routing two-end-point of structure；Or
It include two parallel and disjoint spiral-shaped metal routings and resistance in the corrosion Function detection circuit；Wherein
The line end of the outmost turns of one spiral-shaped metal routing is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects
The side of the resistance is connect, the other side of the resistance is used to connect the corrosion weak location of electronic equipment to be detected, then obtains
Voltage difference in the corrosion Function detection circuit between spiral-shaped metal routing two-end-point；Or
It include two parallel and disjoint spiral-shaped metal routings and Time Domain Reflectometry in the corrosion Function detection circuit
Count TDR；The wherein line end ground connection of the outmost turns of a spiral-shaped metal routing, another spiral-shaped metal routing it is outermost
The line end of circle connects the side of the TDR, and the other side of the TDR connects the corrosion weak part of the electronic equipment, described
Spacing between two spiral-shaped metal routings is gradually increased by innermost circle to outmost turns, then obtains the corrosion function inspection
The time that the spiral-shaped metal routing that domain reflectometer TDR in slowdown monitoring circuit is detected corrodes；
It in the corrosion failure service life that the electronic equipment is determined according to the testing result got, specifically includes:
The corrosion failure service life of the electronic equipment is determined according to the voltage difference or the time.
2. the method as described in claim 1, which is characterized in that the method also includes: according to the heat dissipation of the electronic equipment
Air duct determines the corrosion weak part.
3. a kind of corrosion testing device, for detecting the corrosion condition of electronic equipment, which is characterized in that described device includes:
Acquiring unit, for obtaining the testing result of corrosion Function detection circuit, the corrosion Function detection is electrically connected to electricity
The corrosion weak part of sub- equipment；
Determination unit determines the corrosion failure longevity of the electronic equipment for testing result according to the information acquired by the acquisition unit
Life；
The determination unit is also used to determine the erosion pattern of electronic equipment, the corrosion Function detection circuit and the determination
The erosion pattern that unit determines is corresponding；
The acquiring unit, is specifically used for:
It include to slotting in the corrosion Function detection circuit when the erosion pattern that the determination unit determines is electrochemical corrosion
Comb-shape electrode structure metal routing and resistance；The side of the metal routing of described pair of slotting comb-shape electrode structure and the electricity
The side of resistance is connected, other side ground connection；The other side of the resistance is used to connect the corrosion weak part of the electronic equipment, then
It obtains in the corrosion Function detection circuit to the voltage difference between the metal routing two-end-point of slotting comb-shape electrode structure；Or
It include two parallel and disjoint spiral-shaped metal routings and resistance in the corrosion Function detection circuit；Wherein
The line end of the outmost turns of one spiral-shaped metal routing is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects
The side of the resistance is connect, the other side of the resistance is used to connect the corrosion weak location of electronic equipment to be detected, then obtains
Voltage difference in the corrosion Function detection circuit between spiral-shaped metal routing two-end-point；Or
It include two parallel and disjoint spiral-shaped metal routings and Time Domain Reflectometry in the corrosion Function detection circuit
Count TDR；The wherein line end ground connection of the outmost turns of a spiral-shaped metal routing, another spiral-shaped metal routing it is outermost
The line end of circle connects the side of the TDR, and the other side of the TDR connects the corrosion weak part of the electronic equipment, described
Spacing between two spiral-shaped metal routings is gradually increased by innermost circle to outmost turns, then obtains the corrosion function inspection
The time that the spiral-shaped metal routing that domain reflectometer TDR in slowdown monitoring circuit is detected corrodes；
The determination unit determines the electricity specifically for voltage difference according to the information acquired by the acquisition unit or the time
The corrosion failure service life of sub- equipment.
4. device as claimed in claim 3, which is characterized in that the determination unit is also used to the heat dissipation according to electronic equipment
Air duct determines the corrosion weak part.
5. a kind of corrosion detection system characterized by comprising
Electronic equipment corrosion testing device as described in claim 3 or 4；With
At least one corrosion Function detection circuit, the corrosion Function detection are electrically connected to the corrosion weak point of electronic equipment
Position；
The corrosion Function detection circuit is corresponding with predetermined erosion pattern, is electrochemical corrosion in the erosion pattern
When, the corrosion Function detection circuit includes:
To the metal routing and resistance of slotting comb-shape electrode structure；The side of the metal routing of described pair of slotting comb-shape electrode structure
It is connected with the side of the resistance, other side ground connection；The other side of the resistance is used to connect the corrosion of electronic equipment to be detected
Weak location；Or
Two parallel and disjoint spiral-shaped metal routings and resistance；Wherein spiral-shaped metal routing is outermost
The line end of circle is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects the side of the resistance, the resistance
The other side be used to connect the corrosion weak location of electronic equipment to be detected；Or
Two parallel and disjoint spiral-shaped metal routings and domain reflectometer TDR；A wherein spiral-shaped metal
The line end of the outmost turns of cabling is grounded, and the line end of the outmost turns of another spiral-shaped metal routing connects the side of the TDR,
The other side of the TDR connects the corrosion weak location of electronic equipment to be detected, two spiral-shaped metal routings it
Between spacing be gradually increased by innermost circle to outmost turns.
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| CN106908372A (en) * | 2017-03-07 | 2017-06-30 | 云南电网有限责任公司电力科学研究院 | A kind of insulator hardware corrosion detecting method and test experience data system |
| CN109216815B (en) * | 2017-06-29 | 2021-10-22 | 北京小米移动软件有限公司 | Battery, electronic device, corrosion early warning method and device, and readable storage medium |
| CN108169112B (en) * | 2017-12-25 | 2021-06-15 | 联想(北京)有限公司 | Circuit board corrosion monitoring method and device and environmental corrosion monitoring method and device |
| CN109085211B (en) * | 2018-08-07 | 2021-03-26 | 亚翔***集成科技（苏州）股份有限公司 | Method for detecting victim area of clean room |
| CN109150637A (en) * | 2018-10-31 | 2019-01-04 | 上海剑桥科技股份有限公司 | Early warning failure system and the network equipment with early warning failure function |
| CN113740236B (en) * | 2020-05-30 | 2023-02-03 | 华为技术有限公司 | Corrosion detection method and circuit |
| CN114614293B (en) * | 2022-03-07 | 2024-02-02 | 中国船舶重工集团公司第七二五研究所 | Modular electrode for in-situ detection of deep sea corrosion and watertight plugging system |
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| US4380763A (en) * | 1981-01-06 | 1983-04-19 | The United States Of America As Represented By The Secretary Of The Air Force | Corrosion monitoring system |
| GB2258535A (en) * | 1991-08-03 | 1993-02-10 | British Aerospace | Corrosion sensors |
| US6121894A (en) * | 1998-11-23 | 2000-09-19 | U.S. Army Corps Of Engineers As Represented By The Secretary Of The Army | Low cost time domain reflectometry system for bridge scour detection and monitoring |
| CN2466634Y (en) * | 2001-02-26 | 2001-12-19 | 中国科学院海洋研究所 | Atmospheric corrosion wet time sensor |
| US20070120572A1 (en) * | 2005-11-30 | 2007-05-31 | Weiguo Chen | Smart coupon for realtime corrosion detection |
| CN101038263A (en) * | 2006-03-13 | 2007-09-19 | 华为技术有限公司 | Method and system for estimating circuit board corrosion risk |
| JP4588108B1 (en) * | 2009-10-07 | 2010-11-24 | 太平洋セメント株式会社 | Corrosion sensor device, corrosion sensor device manufacturing method, corrosion detection method, sensor, and sensor manufacturing method |
| CN102749360B (en) * | 2012-06-27 | 2014-08-20 | 华为技术有限公司 | Device and method for detecting environmental corrosion capability, and communication system |
| CN103955159A (en) * | 2014-04-23 | 2014-07-30 | 上海华为技术有限公司 | Corrosion condition monitoring system and method |
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