CN110376493A - A kind of insulation value measurement method, device and storage medium - Google Patents
A kind of insulation value measurement method, device and storage medium Download PDFInfo
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- CN110376493A CN110376493A CN201910628067.2A CN201910628067A CN110376493A CN 110376493 A CN110376493 A CN 110376493A CN 201910628067 A CN201910628067 A CN 201910628067A CN 110376493 A CN110376493 A CN 110376493A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention provides a kind of insulation value measurement method, device and storage mediums, this method comprises: the first test resistance value that the standard electric resistance value of acquisition standard resistance box and insulation tester generate standard resistance box detection；If the first test resistance value is greater than the standard electric resistance value, standard electric resistance value and the first test resistance value are analyzed, generate the control information of insulation instrument；It obtains insulation tester and treats the second test resistance value that detection system detection generates；The second test resistance value is corrected according to insulation instrument control information, generates third test resistance value；Third test resistance value is sent to the terminal of user and/or is shown on the display panel of insulation instrument.By standard resistance box as standard, the control information of insulation tester is analyzed, the measured value of insulation instrument is corrected according to control information, accurate show value is ultimately generated and is shown to user, the accuracy for improving insulation tester, improves the precision of test result.
Description
Technical field
The present invention relates to Insulation test technical field more particularly to a kind of insulation value measurement methods, device and storage medium.
Background technique
Insulation preventive trial is periodically carried out to wiring systems and electrical equipment, it can timely discovering device insulation material
Expect the to leave or local defect that generates in operation, convenient for grasp wiring systems and electrical equipment operation conditions and its
The integrity of insulation judges that can wiring systems and electrical equipment continue to put into operation and damage prevention, make electrically to match
Linear system system and equipment remain higher dielectric level.It is to guarantee wiring systems and the reliable work of insulation of electrical installation
Make the important process with substation safety operation.
In the prior art, due to being influenced by circuit delay reflection and circuitous resistance, the measuring accuracy of insulation tester
Measurement result inaccuracy lower, that insulation instrument is shown.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of insulation value measurement method,
Device and storage medium.
The technical scheme to solve the above technical problems is that a kind of insulation value measurement method comprising:
The standard electric resistance value and insulation tester for obtaining standard resistance box detect the standard resistance box and are given birth to
At the first test resistance value；
If the first test resistance value is greater than the standard electric resistance value, to the standard electric resistance value and described the
One test resistance value is analyzed, and the control information of insulation instrument is generated；
It obtains the insulation tester and treats detection system and carry out detecting the second test resistance value generated；
The second test resistance value is modified according to the control information of the insulation instrument, generates third test resistance
Value；
The terminal of user is sent to and/or exhausted for the third test resistance value as the system insulation value to be detected
It is shown on the display panel of edge instrument.
The beneficial effects of the present invention are: being carried out as standard to the control information of insulation tester by standard resistance box
Analysis corrects the second test resistance value of the examining system to be checked of insulation instrument detection according to control information, generates third test resistance
Value, ultimately generates accurate show value and shows to user, improve the accuracy of insulation tester, improve the essence of test result
Degree.
Based on the above technical solution, the present invention can also be improved as follows.
Further, judge whether the first test resistance value is less than or equal to the standard electric resistance value described
After step, further includes:
If the first test resistance value is less than or equal to the standard electric resistance value, the insulation tester pair is obtained
The examining system to be checked carries out detecting the 4th test resistance value generated；
The terminal of user is sent to and/or exhausted for the 4th test resistance value as the system insulation value to be detected
It is shown on the display panel of edge instrument.
Beneficial effect using above-mentioned further scheme is: if measured value is less than or equal to standard electric resistance value, indicating
The measurement result of insulation tester be it is normal, directly measured value is shown, guarantee measurement accuracy precondition
Under, the treatment effeciency of processing module is improved, the burden of processing module is reduced.
Further, the control information of the insulation instrument is error coefficient,
The error coefficient is calculated by following formula:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
Beneficial effect using above-mentioned further scheme is: the error coefficient of insulation tester and standard electric resistance value are linear
Relationship obtains the different control informations of different insulative tester, thus according to specific error by calculating error parameter information
Measured value is modified, the accuracy of testing result is improved.
Further, the third test resistance value is calculated by following formula:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
Beneficial effect using above-mentioned further scheme is: the examining system to be checked of insulation instrument detection is corrected according to control information
The second test resistance value, generate third test resistance value, ultimately generate accurate show value and shown to user, improve exhausted
The accuracy of edge tester improves the precision of test result.
In addition, the present invention also provides a kind of insulation value measurement mechanisms comprising:
Module is obtained, the standard electric resistance value and insulation tester for obtaining standard resistance box are to the standard resistance box
It carries out detecting the first test resistance value generated；
Processing module, for when the first test resistance value is greater than the standard electric resistance value；To the measuring resistance
Value and the first test resistance value are analyzed, and the control information of insulation instrument is generated；
The acquisition module, is also used to obtain the insulation tester and treats detection system and carry out detecting generated second
Test resistance value；
The processing module is also used to repair the second test resistance value according to the control information of the insulation instrument
Just, third test resistance value is generated；
Sending module, for being sent to user's for the third test resistance value as the system insulation value to be detected
Terminal and/or insulation instrument display panel on show.
The beneficial effects of the present invention are: being carried out as standard to the control information of insulation tester by standard resistance box
Analysis corrects the second test resistance value of the examining system to be checked of insulation instrument detection according to control information, generates third test resistance
Value, ultimately generates accurate show value and shows to user, improve the accuracy of insulation tester, improve the essence of test result
Degree.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the processing module is also used to be less than or equal to the standard electric in the first test resistance value
When resistance value, obtains the insulation tester and the examining system to be checked is carried out to detect the 4th test resistance value generated；
The sending module is also used to be sent to the 4th test resistance value as the system insulation value to be detected
The terminal of user and/or insulation instrument display panel on show.
Beneficial effect using above-mentioned further scheme is: if measured value is less than or equal to standard electric resistance value, indicating
The measurement result of insulation tester be it is normal, directly measured value is shown, guarantee measurement accuracy precondition
Under, the treatment effeciency of processing module is improved, the burden of processing module is reduced.
Further, the control information of the insulation instrument is error coefficient,
The processing module is also used to calculate the error coefficient by following formula:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
Beneficial effect using above-mentioned further scheme is: the error coefficient of insulation tester and standard electric resistance value are linear
Relationship obtains the different control informations of different insulative tester, thus according to specific error by calculating error parameter information
Measured value is modified, the accuracy of testing result is improved.
Further, the third test resistance value is calculated by following formula:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
Beneficial effect using above-mentioned further scheme is: the examining system to be checked of insulation instrument detection is corrected according to control information
The second test resistance value, generate third test resistance value, ultimately generate accurate show value and shown to user, improve exhausted
The accuracy of edge tester improves the precision of test result.
In addition, the present invention also provides a kind of computer readable storage medium, including instruction, when described instruction is in computer
When upper operation, execute the computer according to method described in any of the above embodiments.
Finally, the present invention also provides a kind of insulation value measurement mechanisms comprising memory, processor and be stored in described
Computer program that is on memory and can running on the processor, the processor are realized as above when executing described program
Described in any item methods.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is a kind of schematic flow chart of value measurement method that insulate provided in an embodiment of the present invention.
Fig. 2 is a kind of schematic block diagram of value measurement mechanism that insulate provided in an embodiment of the present invention.
The schematic illustration of Fig. 3 connection relationship between insulation tester provided in an embodiment of the present invention and other component.
Fig. 4 is test module connection relationship diagram provided in an embodiment of the present invention.
Fig. 5 is the following adjustment interface schematic diagram of 100M Ω provided in an embodiment of the present invention.
Fig. 6 is the above adjustment interface schematic diagram of 40M Ω provided in an embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in FIG. 1, FIG. 1 is a kind of schematic flow charts for the value measurement method that insulate provided in an embodiment of the present invention.
The embodiment of the invention provides a kind of insulation value measurement methods comprising:
The standard electric resistance value and insulation tester for obtaining standard resistance box detect the standard resistance box and are given birth to
At the first test resistance value；
If the first test resistance value is greater than the standard electric resistance value, to the standard electric resistance value and described the
One test resistance value is analyzed, and the control information of insulation instrument is generated；
It obtains the insulation tester and treats detection system and carry out detecting the second test resistance value generated；
The second test resistance value is modified according to the control information of the insulation instrument, generates third test resistance
Value；
The terminal of user is sent to and/or exhausted for the third test resistance value as the system insulation value to be detected
It is shown on the display panel of edge instrument.
Insulation value measurement method provided in an embodiment of the present invention can be, but not limited to apply in car electrical system insulation values
Field of measuring technique, belong to the car moved to right based on deviation band and insulate value measurement method.
As shown in figure 3, insulation instrument is connect with computer primary standard resistance box in figure.It is provided in an embodiment of the present invention exhausted
High pressure detection may be implemented in edge tester.The detection demand that can satisfy and adapt to railway traffic passenger car field, belongs to track
Industry special equipment.The purpose of the embodiment of the present application is that right avertence executes railway standard.
The embodiment of the present invention is by the way of hard handover, wherein controller can be MCU.
As shown in figure 4,0.05M Ω~10M Ω (railway standard) detection module, 10M Ω~7000M Ω detect mould in figure
Block, computer program module, pin-saving chip and switching module are connect with MCU, switching module and 0.05M Ω~10M
Ω detection module is connected with 10M Ω~7000M Ω detection module.
(1) MCU passes through 0.05M Ω~10M Ω module measurement insulation values first, obtains insulation values feedback information.
(2) it when insulation values feedback information is less than MCU maximum range of receiving, is then directly measured and is insulated by above-mentioned module
Value.
(3) when insulation values feedback information is more than MCU maximum range of receiving, then MCU sends signal to switching module, changes
Detection module is 10M Ω~7000M Ω detection module, and MCU reads again insulation values feedback information.
(4) feedback information is less than MCU maximum range of receiving at this time, then output phase answers insulation values；If it exceeds MCU is maximum
Range of receiving, then it represents that surveyed insulation values are more than insulation instrument range, show maximum value.
(5) 10M Ω or less is interval according to every 1M Ω, measures error coefficient by standard resistance box；10M Ω~100M Ω
It is interval according to every 10M Ω, measures error coefficient；100M Ω or more is interval according to every 50M Ω, measures error coefficient.It is surveyed
The error coefficient obtained is recorded in instrument internal pin-saving chip.
(6) measurement error coefficient process carries out calculating adjusting by the computer program connecting with insulation instrument.
As shown in Figure 5 and Figure 6, Fig. 5 shows the following adjustment interface of 100M Ω, and parameter and guarantor are read in tolerance range R setting
Parameter button is deposited, Fig. 6 shows the above adjustment interface of 40M Ω, and tolerance range H setting reads parameter and saves parameter button.Point
For two test interfaces, primarily to convenient test, while the parameter in two interfaces has certain intersection region, be in order to
Ensure also to can be carried out effective measurement in switching module critical range.
In the above-described embodiments, the control information of insulation tester is analyzed as standard by standard resistance box,
The second test resistance value that the examining system to be checked of insulation instrument detection is corrected according to control information, generates third test resistance value, most
It is shown throughout one's life at accurate show value to user, improves the accuracy of insulation tester, improve the precision of test result.
Specifically, by standard resistance box as standard base, standard resistance box is detected using insulation tester,
The control information between actual measurement resistance value and reference resistance resistance value is analyzed, standard electric resistance value and error coefficient (i.e. error are established
Information) between linear relationship formula, actual measured value is accordingly corrected by error coefficient, so that actual measured value error is right
It moves, so that actual measured value is no more than standard electric resistance value, so that the error of insulation instrument measured value is no more than 1 percent.
For example, it is assumed that measuring resistance resistance value is 20M Ω, if insulation instrument measures measuring resistance resistance value less than or equal to 20M
It is normal when Ω.If insulation instrument measures measuring resistance resistance value greater than 20M Ω, be it is improper, in this case, insulation instrument is deposited
The control information of insulation instrument is generated, according to exhausted by analyzing standard electric resistance value and the first test resistance value in error
The control information of edge instrument is modified the actual measured value of insulation instrument, the 5th test resistance value is generated, when the 5th test resistance
When value is less than or equal to 20M Ω, show that the display result of insulation instrument is normal.
It is described judge the step of whether the first test resistance value is less than or equal to the standard electric resistance value after,
Further include:
If the first test resistance value is less than or equal to the standard electric resistance value, the insulation tester pair is obtained
The examining system to be checked carries out detecting the 4th test resistance value generated；
The terminal of user is sent to and/or exhausted for the 4th test resistance value as the system insulation value to be detected
It is shown on the display panel of edge instrument.
In the above-described embodiments, if measured value is less than or equal to standard electric resistance value, the measurement of insulation tester is indicated
As a result be it is normal, directly measured value is shown, guarantee measurement accuracy precondition under, improve processing module
Treatment effeciency reduces the burden of processing module.
The control information of the insulation instrument can be error coefficient,
The error coefficient is calculated by following formula:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
In the above-described embodiments, the error coefficient of insulation tester and standard electric resistance value are linear, are missed by calculating
Poor parameter information obtains the different control informations of different insulative tester, to be repaired according to specific Errors on Measuring Values
Just, the accuracy of testing result is improved.
Further, the third test resistance value is calculated by following formula:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
In the above-described embodiments, the second test resistance of the examining system to be checked of insulation instrument detection is corrected according to control information
Value generates third test resistance value, ultimately generates accurate show value and show to user, improve the accurate of insulation tester
Property, improve the precision of test result.
It then turns error parameter when error parameter is excessive down, when error parameter is too small, then tunes up error parameter.
As shown in Fig. 2, Fig. 2 is a kind of schematic block diagram of value measurement mechanism that insulate provided in an embodiment of the present invention.
In addition, the embodiment of the invention also provides a kind of insulation value measurement mechanisms comprising:
Module is obtained, the standard electric resistance value and insulation tester for obtaining standard resistance box are to the standard resistance box
It carries out detecting the first test resistance value generated；
Processing module, for when the first test resistance value is greater than the standard electric resistance value；To the measuring resistance
Value and the first test resistance value are analyzed, and the control information of insulation instrument is generated；
The acquisition module, is also used to obtain the insulation tester and treats detection system and carry out detecting generated second
Test resistance value；
The processing module is also used to repair the second test resistance value according to the control information of the insulation instrument
Just, third test resistance value is generated；
Sending module, for being sent to user's for the third test resistance value as the system insulation value to be detected
Terminal and/or insulation instrument display panel on show.
In the above-described embodiments, the control information of insulation tester is analyzed as standard by standard resistance box,
The second test resistance value that the examining system to be checked of insulation instrument detection is corrected according to control information, generates third test resistance value, most
It is shown throughout one's life at accurate show value to user, improves the accuracy of insulation tester, improve the precision of test result.
The processing module is also used to obtain when the first test resistance value is less than or equal to the standard electric resistance value
The insulation tester is taken to carry out detecting the 4th test resistance value generated to the examining system to be checked；
The sending module is also used to be sent to the 4th test resistance value as the system insulation value to be detected
The terminal of user and/or insulation instrument display panel on show.
In the above-described embodiments, if measured value is less than or equal to standard electric resistance value, the measurement of insulation tester is indicated
As a result be it is normal, directly measured value is shown, guarantee measurement accuracy precondition under, improve processing module
Treatment effeciency reduces the burden of processing module.
The control information of the insulation instrument is error coefficient, and the processing module is also used to calculate institute by following formula
State error coefficient:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
In the above-described embodiments, the error coefficient of insulation tester and standard electric resistance value are linear, are missed by calculating
Poor parameter information obtains the different control informations of different insulative tester, to be repaired according to specific Errors on Measuring Values
Just, the accuracy of testing result is improved.
The third test resistance value is calculated by following formula:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
In the above-described embodiments, the second test resistance of the examining system to be checked of insulation instrument detection is corrected according to control information
Value generates third test resistance value, ultimately generates accurate show value and show to user, improve the accurate of insulation tester
Property, improve the precision of test result.
In addition, the embodiment of the invention also provides a kind of computer readable storage medium, including instruction, when described instruction exists
When running on computer, execute the computer according to method described in any of the above embodiments.
Finally, the embodiment of the invention also provides a kind of insulation value measurement mechanisms comprising memory, processor and storage
Computer program that is on the memory and can running on the processor, the processor execute real when described program
Now described in any item methods as above.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of insulation value measurement method characterized by comprising
The standard electric resistance value and insulation tester for obtaining standard resistance box detect to the standard resistance box generated
First test resistance value；
If the first test resistance value is greater than the standard electric resistance value, the standard electric resistance value and described first are surveyed
Examination resistance value is analyzed, and the control information of insulation instrument is generated；
It obtains the insulation tester and treats detection system and carry out detecting the second test resistance value generated；
The second test resistance value is modified according to the control information of the insulation instrument, generates third test resistance value；
The terminal of user is sent to using the third test resistance value as the system insulation value to be detected and/or in insulation instrument
Display panel on show.
2. a kind of insulation value measurement method according to claim 1, which is characterized in that further include:
If the first test resistance value is less than or equal to the standard electric resistance value, the insulation tester is obtained to described
Examining system to be checked carries out detecting the 4th test resistance value generated；
The terminal of user is sent to using the 4th test resistance value as the system insulation value to be detected and/or in insulation instrument
Display panel on show.
3. a kind of insulation value measurement method according to claim 1, which is characterized in that it is described insulation instrument control information be
Error coefficient,
The error coefficient is calculated by following formula:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
4. a kind of insulation value measurement method according to claim 3, which is characterized in that the third test resistance value passes through
Following formula calculate:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
5. a kind of insulation value measurement mechanism characterized by comprising
Module is obtained, the standard electric resistance value and insulation tester for obtaining standard resistance box carry out the standard resistance box
Detect the first test resistance value generated；
Processing module, for when the first test resistance value is greater than the standard electric resistance value；To the standard electric resistance value with
And the first test resistance value is analyzed, and the control information of insulation instrument is generated；
The acquisition module, is also used to obtain the insulation tester and treats detection system and detect the second test generated
Resistance value；
The processing module is also used to be modified the second test resistance value according to the control information of the insulation instrument,
Generate third test resistance value；
Sending module, for being sent to the terminal of user using the third test resistance value as the system insulation value to be detected
And/or it is shown on the display panel of insulation instrument.
6. a kind of insulation value measurement mechanism according to claim 5, which is characterized in that
The processing module is also used to obtain institute when the first test resistance value is less than or equal to the standard electric resistance value
Insulation tester is stated the examining system to be checked is carried out to detect the 4th test resistance value generated；
The sending module is also used to be sent to user for the 4th test resistance value as the system insulation value to be detected
Terminal and/or insulation instrument display panel on show.
7. a kind of insulation value measurement mechanism according to claim 5, which is characterized in that it is described insulation instrument control information be
Error coefficient,
The processing module is also used to calculate the error coefficient by following formula:
Wherein, k is error coefficient, R1For standard electric resistance value, R2For the first test resistance value.
8. a kind of insulation value measurement mechanism according to claim 7, which is characterized in that the third test resistance value passes through
Following formula calculate:
R4=k*R3,
Wherein, R4For third test resistance value, k is error coefficient, R3For the second test resistance value.
9. a kind of computer readable storage medium, including instruction, which is characterized in that when described instruction is run on computers,
The computer is set to execute method according to claim 1-4.
10. a kind of insulation value measurement mechanism, which is characterized in that including memory, processor and be stored on the memory
And the computer program that can be run on the processor, the processor realize such as claim 1-4 when executing described program
Described in any item methods.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111157799A (en) * | 2019-12-31 | 2020-05-15 | 深圳市杰普特光电股份有限公司 | Laser resistance repairing method and system |
| CN115184674A (en) * | 2022-07-01 | 2022-10-14 | 苏州清研精准汽车科技有限公司 | Insulation test method and device, electronic terminal and storage medium |
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