CN117347807A - Insulation and voltage-withstand comprehensive test device for electric connector - Google Patents

Insulation and voltage-withstand comprehensive test device for electric connector Download PDF

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Publication number
CN117347807A
CN117347807A CN202311639298.6A CN202311639298A CN117347807A CN 117347807 A CN117347807 A CN 117347807A CN 202311639298 A CN202311639298 A CN 202311639298A CN 117347807 A CN117347807 A CN 117347807A
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China
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insulation
preset
control unit
central control
preset standard
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CN202311639298.6A
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CN117347807B (en
Inventor
赵君
王海青
马艳梅
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Shandong Hangtian Zhenghe Electronic Co ltd
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Shandong Hangtian Zhenghe Electronic Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing 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
    • G01R31/1227Testing 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The invention relates to the technical field of electric connector testing devices, in particular to an electric connector insulation voltage-withstand comprehensive testing device. Comprising the following steps: a base; a fixed module; a detection module; the central control unit is used for judging whether the electric connector meets the preset standard according to the insulation resistance measured by the detection module, detecting according to the electric resistance when the electric connector meets the preset standard so as to judge whether the electronic connector meets the preset standard, or judging the reason that the electric connector does not meet the preset standard when the electric connector does not meet the preset standard. Compared with the prior art, the invention has the beneficial effects that the corresponding reasons can be determined by analyzing the detection data, so that the problem detection period when the electric connector does not meet the preset standard is shortened; meanwhile, the judgment standard is corrected according to the actual situation, and the situation that the detection result is inaccurate by using the same detection standard aiming at different electric connectors can be avoided, so that the detection precision of the voltage-withstanding comprehensive test device is improved.

Description

Insulation and voltage-withstand comprehensive test device for electric connector
Technical Field
The invention relates to the technical field of electric connector testing devices, in particular to an electric connector insulation voltage-withstand comprehensive testing device.
Background
The insulation resistance and the withstand voltage resistance of the electric connector product are the most basic electric parameters for ensuring the reliable operation of the electric connector, so that an insulation resistance tester and a withstand voltage tester are required to be used for detecting electric parameters such as insulation, withstand voltage and the like of the electric connector, whether insulation resistance and withstand voltage between all contact pairs and between the contact pairs and a shell are qualified or not is judged, an instrument is required to be replaced when each parameter is detected, the tested product is required to be plugged and pulled out for many times, and corresponding test tools are required to be replaced, so that the test speed is low, the test efficiency is low, and the error detection and the omission detection are easy. The method is to utilize high potential point-by-point scanning, which is suitable for testing products with few points and can not be used for quick detection of products with more contact pairs.
Chinese patent publication No.: CN101718835a discloses an insulation voltage-withstanding comprehensive test device for an electric connector, which comprises dividing a conversion electric connector interface contact pair connected with the electric connector to be tested into four test groups according to an interlaced array mode, the four test groups are connected with a public output interface of a test power supply through test cable switching, a time sequence control circuit is used for controlling the transverse inter-transverse voltage of the four test group short circuit test contact pairs, the longitudinal inter-longitudinal voltage of the four test group short circuit test contact pairs and the voltage between the four test group short circuit test contact pairs and a shell, and comparing test voltage results between the comprehensive transverse inter-longitudinal contact pairs and the shell with insulation voltage-withstanding electric parameters set in a control system to finish performance test of the electric connector to be tested. From this, it can be seen that the comprehensive insulation voltage testing device for the electrical connector has the following problems: the reason that the electric connector does not meet the preset standard cannot be analyzed according to the detection data, so that the corresponding detection parameters can be automatically adjusted, and when a problem occurs, the time period for solving the problem is long.
Disclosure of Invention
Therefore, the invention provides an insulation and voltage withstand comprehensive test device for an electric connector, which is used for solving the problem of long time period in the prior art.
In order to achieve the above purpose, the present invention provides a comprehensive insulation voltage withstanding test device for an electrical connector. Comprising the following steps:
a base;
the fixing module is connected with the base body and used for fixing the electric connector for detection;
the detection module is connected with the substrate and used for detecting the insulation resistance and the electric resistance of the electronic connecting piece fixed by the fixing module;
the central control unit is respectively connected with the fixing module and the detecting module of the base body and used for judging whether the electric connector meets the preset standard according to the insulation resistance measured by the detecting module, if the central control unit judges that the electric connector meets the preset standard, the detecting unit is controlled to detect the electric resistance of the electric connector so as to judge whether the electric connector meets the preset standard,
or when the electronic connector is judged to not meet the preset standard, judging the reason that the electronic connector does not meet the preset standard according to the insulation resistance.
Further, the central control unit controls the detection module to detect the insulation resistance of the electric connector and judges whether the insulation property of the electric connector meets the preset standard according to the insulation resistance, if the central control unit judges that the insulation property of the electric connector meets the preset standard, the detection module is controlled to detect whether the dielectric strength meets the preset standard for further detection,
and if the central control unit judges that the insulativity of the electric connector does not meet the preset standard, correcting the preset standard according to the thickness of the insulating layer of the part to be tested, or determining the reason that the insulativity of the electric connector does not meet the preset standard according to the insulation resistance.
Further, when the central control unit judges that the insulativity of the electric connector meets the preset standard, the central control unit judges whether the electric connector meets the preset standard according to the electric resistance intensity of the electric connector, if the central control unit judges that the electric connector does not meet the preset standard and judges that the reason that the electric connector does not meet the preset standard is that the voltage boosting speed is larger than the preset standard in the process of carrying out the voltage resistance test on the electric connector by the detection module, the central control unit adjusts the boosting speed to a corresponding value according to the electric resistance intensity.
Further, when the central control unit judges that the voltage boosting speed needs to be regulated, the central control unit is provided with a plurality of regulation modes aiming at the voltage boosting speed according to the difference value of the anti-electric intensity and the preset anti-electric intensity preset in the central control unit, and the regulation ranges of the regulation modes aiming at the voltage boosting speed are different.
Further, when the central control unit judges that the insulativity of the electric connector does not meet the preset standard, a plurality of correction modes aiming at the primary preset insulation resistance and the secondary preset insulation resistance preset in the central control unit are arranged according to the thickness of the insulation layer of the part to be tested, and the correction amplitudes of the correction modes aiming at the primary preset insulation resistance and the secondary preset insulation resistance are different.
Further, when the central control unit determines that the electrical connector insulation does not meet a preset standard, determining, according to a difference between the secondary preset insulation resistance and the insulation resistance, a reason that the electrical connector insulation does not meet the preset standard includes: and carrying out secondary judgment on the reason that the insulativity of the electric connector does not meet the preset standard, or carrying out fault on the testing device and sending out fault notification by the central control unit.
Further, the central control unit controls the detection unit to detect the insulation gap to perform a secondary determination on a cause that the insulation of the electrical connector does not meet a preset standard, including: the insulation gap is higher than a preset standard, and the fixing pressure of the fixing device is higher than the preset standard, so that the insulation layer is lower than the preset standard, or the detecting unit breaks down and sends out a fault notification.
Further, when the secondary judgment of the insulativity of the electric connector does not meet the preset standard, the central control unit is provided with a plurality of gap adjustment modes aiming at the insulation gaps according to the difference value between the primary preset detection voltage preset in the central control unit and the actual detection voltage when the insulation gap is higher than the preset standard, and the adjustment amplitude of each gap adjustment mode aiming at the insulation gap is different.
Further, when the secondary judgment that the insulativity of the electric connector does not meet the preset standard is that the fixed pressure of the fixing device is larger than the preset standard, the central control unit is provided with a plurality of pressure adjusting modes aiming at the fixed pressure according to the difference value between the actual detection voltage of the detection module in the detection process and the preset first-level preset detection voltage preset in the central control unit, and the adjusting amplitude of each adjusting mode aiming at the fixed pressure is different.
Further, the central control unit corrects the primary preset insulation resistance and the secondary preset insulation resistance and then re-detects the primary preset insulation resistance and the secondary preset insulation resistance.
Compared with the prior art, the invention has the beneficial effects that the central control unit analyzes the detection data of the detection module, and when the preset standard is not met, the corresponding reason is determined according to the detection result, so that the corresponding adjustment is carried out according to the reason, and the problem detection period when the electric connector does not meet the preset standard is shortened; meanwhile, the corresponding judgment standard is corrected according to the actual situation, so that the situation that the detection result is inaccurate by using the same detection standard for different electric connectors can be avoided, and the detection precision of the voltage-withstanding comprehensive test device is improved.
Further, the insulation resistance is detected and compared with the preset standard, whether the insulation property of the electronic connector meets the preset standard or not can be rapidly determined, and when the insulation property of the electronic connector does not meet the preset standard, the reason that the insulation property does not meet the preset standard is determined so as to rapidly complete corresponding adjustment, so that the problem detection period when the electric connector does not meet the preset standard is further shortened.
Further, the invention further detects the electric resistance intensity of the electric connector, and when the electric resistance does not meet the preset standard, the reason for judging that the electric resistance does not meet the preset standard is that the boosting speed is too high, so that the lifetime speed is regulated to a corresponding value, thereby further shortening the problem detection period when the electric connector does not meet the preset standard.
Furthermore, the voltage boosting speed can be regulated to the corresponding value by calculating the difference value of the electric resistance intensity and comparing the difference value with the preset standard according to the corresponding regulation coefficient determined by the actual situation, and the overlong practice of the detection process caused by using the same voltage boosting speed is avoided, so that the detection efficiency of the voltage withstanding comprehensive test device is further improved.
Further, the method compares the actual thickness of the insulating layer with the preset standard, and can determine the corresponding correction coefficient, so that whether the insulativity meets the judgment standard of the preset standard or not is corrected according to the actual situation, and the detection precision of the voltage withstanding comprehensive test device is further improved.
Further, when the operation is judged to not meet the preset standard, the invention can quickly determine the reason for not meeting the preset standard to send out fault notification or carry out secondary judgment by calculating the insulation resistance difference and comparing with the preset standard, thereby further shortening the problem detection period when the electric connector does not meet the preset standard.
Further, the invention can determine the reason for not meeting the preset standard according to the size of the insulation gap by detecting the insulation gap and comparing the insulation gap with the preset standard, thereby further shortening the problem detection period when the electric connector does not meet the preset standard.
Furthermore, the invention can quickly determine the adjusting mode aiming at the insulation gap and the fixed pressure by calculating the first voltage difference value and the second voltage difference value and comparing the first voltage difference value and the second voltage difference value with the preset standard, thereby quickly adjusting the insulation gap and the fixed pressure to the corresponding values according to the actual situation, and further increasing the detection efficiency of the voltage withstanding comprehensive test device.
Drawings
FIG. 1 is a block diagram of a comprehensive insulation and voltage withstanding test device for an electric connector;
FIG. 2 is a schematic diagram of a device for testing insulation and voltage resistance of an electrical connector according to the present invention;
FIG. 3 is a decision flow chart of a decision mode according to the present invention;
FIG. 4 is a flow chart of the adjustment mode determination according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a block diagram of a comprehensive insulation and voltage withstanding test device for an electrical connector according to the present invention, fig. 2 is a schematic diagram of a comprehensive insulation and voltage withstanding test device for an electrical connector according to the present invention, including:
a base 1;
a fixing module 2 connected with the base body through a screw 21 for fixing the electric connector by means of a fixing plate 22 moving up and down along the screw for detection;
the detection module 3 is connected with the base body and comprises two contact claws 31 for contacting with the electric connector and an output device 32 connected with the contact claws, wherein the contact claws are connected with the base body through sliding rails (not shown in the figure) and are used for contacting with a connecting piece to be detected through horizontal movement of the contact claws, and after corresponding detection voltage is output through the output device, the insulation resistance and the electric resistance of the electronic connecting piece fixed by the fixing module are detected;
the central control unit 4 is respectively connected with the fixing module and the detecting module of the substrate and is used for judging whether the electric connector meets the preset standard according to the insulation resistance measured by the detecting module, if the central control unit judges that the electric connector meets the preset standard, the detecting unit is controlled to detect the electric resistance of the electric connector so as to judge whether the electric connector meets the preset standard,
or when the electronic connector is judged to not meet the preset standard, judging the reason that the electronic connector does not meet the preset standard according to the insulation resistance.
Referring to fig. 3, which is a flowchart of the determination method according to the present invention, the central control unit controls the detection module to detect insulation resistance of the electrical connector and determine whether the insulation of the electrical connector meets a preset standard according to the insulation resistance, wherein:
the first judging mode is that the central control unit judges that the insulativity of the electric connector meets a preset standard, and controls the detection module to detect whether the electric resistance intensity meets the preset standard or not and further detect whether the voltage resistance of the electric connector meets the preset standard or not; the first judgment mode meets the condition that the insulation resistance is larger than a first-level preset insulation resistance preset in the central control unit; setting the primary preset insulation resistance to 800 megaohms;
the second judging mode is that the central control unit judges that the insulativity of the electric connector does not meet a preset standard, and the central control unit corrects the preset standard according to the thickness of an insulating layer of the part to be tested; the second judgment mode meets the condition that the insulation resistance is smaller than or equal to the first-level preset insulation resistance and larger than or equal to a second-level preset insulation resistance preset in the central control unit; setting the second-level preset insulation resistance to be 500 megaohms;
the third judging mode is that the central control unit judges that the insulativity of the electric connector does not meet the preset standard, and the central control unit determines the reason that the insulativity of the electric connector does not meet the preset standard according to the insulation resistance; the third judging mode meets the condition that the insulation resistance is smaller than the second-level preset insulation resistance.
Specifically, the central control unit determines, in the first determination manner, a determination manner as to whether the electrical connector meets a preset standard according to the electrical resistance intensity of the electrical connector, where:
the first judgment mode is that the central control unit judges that the electric connector meets a preset standard; the first judgment mode meets the condition that the electric resistance intensity is larger than preset electric resistance intensity preset in the central control unit; setting the preset electric resistance intensity to 800V;
the second judging mode is that the central control unit judges that the electric connector does not meet the preset standard, and the central control unit judges that the voltage resistance does not meet the preset standard because the voltage boosting speed of the detection module is larger than the preset standard in the voltage resistance test process of the electric connector, and the central control unit adjusts the boosting speed to a corresponding value according to the electric resistance intensity; the second judgment mode meets the condition that the electric resistance intensity is smaller than or equal to the preset electric resistance intensity.
Referring to fig. 4, which is a flowchart illustrating the adjustment mode determination according to the present invention, the central control unit marks the difference between the power-resisting intensity and the preset power-resisting intensity as a power-resisting intensity difference and determines an adjustment mode for the boost speed according to the power-resisting intensity difference in the second determination mode, wherein:
the first adjusting mode is that the central control unit adjusts the boosting speed to a corresponding value by using a first adjusting coefficient; the first adjusting mode meets the condition that the electric resistance intensity difference value is larger than a first-level preset electric resistance intensity difference value preset in the central control unit, and the first adjusting coefficient is set to be 0.95, and the first-level preset electric resistance intensity difference value is 150V;
the second adjusting mode is that the central control unit adjusts the boosting speed to a corresponding value by using a second adjusting coefficient; the second adjusting mode meets the requirements that the difference value of the electric resistance intensity is smaller than or equal to the first-level preset electric resistance intensity difference value and larger than or equal to the second-level preset electric resistance intensity difference value preset in the central control unit, and the second adjusting coefficient is set to be 0.90, and the second-level preset electric resistance intensity difference value is 300V;
the third adjusting mode is that the central control unit adjusts the boosting speed to a corresponding value by using a third adjusting coefficient; the third adjusting mode meets the condition that the difference value of the electric resistance intensity is smaller than the second-level preset electric resistance intensity difference value, and the third adjusting coefficient is set to be 0.85.
Specifically, the central control unit determines, in the second determination mode, a correction mode for the primary preset insulation resistance and the secondary preset insulation resistance according to the thickness of the insulation layer of the component to be tested, where:
the first correction mode is that the central control unit uses a first correction coefficient to adjust the primary preset insulation resistance and the secondary preset insulation resistance to corresponding values; the first correction mode meets the condition that the thickness of the insulating layer is larger than the first-level preset insulating layer thickness preset in the central control unit; setting the first correction coefficient to be 0.95, wherein the thickness of the first-stage preset insulating layer is 1mm;
the second correction mode is that the central control unit uses a second correction coefficient to adjust the primary preset insulation resistance and the secondary preset insulation resistance to corresponding values; the second correction mode meets the condition that the thickness of the insulating layer is smaller than or equal to the first-level preset insulating layer thickness and smaller than or equal to the second-level preset insulating layer thickness preset in the central control unit; setting the second correction coefficient to be 0.85, and setting the thickness of the secondary preset insulating layer to be 0.5mm;
the third correction mode is that the central control unit uses a third correction coefficient to adjust the primary preset insulation resistance and the secondary preset insulation resistance to corresponding values; the third correction mode meets the condition that the thickness of the insulating layer is smaller than the thickness of the second-level preset insulating layer; the third correction coefficient is set to 0.75.
Specifically, the central control unit marks a difference value between the secondary preset insulation resistance and the insulation resistance as an insulation resistance difference value in the third determination mode, and determines a reason determination mode for the insulation of the electric connector not meeting a preset standard according to the insulation resistance difference value, wherein:
the first reason judgment mode is that the central control unit controls the detection module to detect an insulation gap to carry out secondary judgment on the reason that the insulativity of the electric connector does not meet a preset standard; the first reason judgment mode meets the condition that the insulation resistance difference value is larger than a preset insulation resistance difference value preset in the central control unit; setting the preset insulation resistance difference value to 150 megaohms;
the second cause judgment mode is that the central control unit judges that the cause that the pressure resistance of the electric connector does not meet the preset standard is a fault of the testing device, and the central control unit sends out a fault notification; the second reason judging mode meets the condition that the insulation resistance difference value is smaller than or equal to the preset insulation resistance difference value.
Specifically, the central control unit determines, in the first cause determination mode, a secondary determination mode for a cause that the insulation property of the electrical connector does not satisfy a preset standard according to an insulation gap, wherein:
the first secondary judgment mode is that the central control unit judges that the reason that the insulativity of the electric connector does not meet the preset standard is that the insulation gap is higher than the preset standard, and the central control unit adjusts the insulation gap to a corresponding value according to the detection voltage; the first secondary judgment mode meets the condition that the insulation gap is smaller than a first-stage preset insulation gap preset in the central control unit; setting the first-stage preset insulation gap to be 6mm;
the second secondary judgment mode is that the central control unit judges that the insulativity of the electric connector does not meet the preset standard because the fixed pressure of the fixing device is larger than the preset standard, so that the insulating layer is lower than the preset standard, and the central control unit adjusts the fixed pressure to a corresponding value according to the detection voltage; the second secondary judgment mode meets the condition that the insulation gap is larger than or equal to the first-stage preset insulation gap and smaller than or equal to a second-stage preset insulation gap preset in the central control unit; setting the secondary preset insulation gap to 3mm;
the third secondary judgment mode is that the central control unit judges that the reason that the insulativity of the electric connector does not meet the preset standard is that the detection unit fails, and the central control unit sends out a failure notification; the third secondary judgment mode meets the condition that the insulation gap is larger than the second-level preset insulation gap.
Specifically, the central control unit records a difference value between a first-stage preset detection voltage 500V preset in the central control unit and the actual detection voltage as a first voltage difference value under the first secondary judgment mode, and determines a gap adjustment mode for the insulation gap according to the first voltage difference value, wherein:
the first gap adjustment mode is that the central control unit adjusts the insulation gap to a corresponding value by using a first gap adjustment coefficient; the first gap adjustment mode meets the condition that the first voltage difference value is larger than a first-stage preset first voltage difference value preset in the central control unit; setting the first gap adjustment coefficient to be 0.90, and setting the first voltage difference value of the first stage preset to be 50V;
the second gap adjustment mode is that the central control unit adjusts the insulation gap to a corresponding value by using a second gap adjustment coefficient; the second gap adjustment mode meets the condition that the first voltage difference value is smaller than or equal to the first-stage preset first voltage difference value and smaller than or equal to the second-stage preset first voltage difference value preset in the central control unit; setting the second gap adjustment coefficient to be 0.85, wherein the first-stage preset second voltage difference value is 30V;
the third gap adjustment mode is that the central control unit adjusts the insulation gap to a corresponding value by using a third gap adjustment coefficient; the third gap adjustment mode meets the condition that the first voltage difference value is smaller than the second-level preset first voltage difference value; the third gap adjustment coefficient is set to 0.80.
Specifically, the central control unit marks the difference between the actual detection voltage and the primary preset detection voltage as a second voltage difference in the second secondary judgment mode, and determines a pressure regulation mode for the fixed pressure according to the second voltage difference, wherein:
the first pressure regulation mode is that the central control unit regulates the fixed pressure to a corresponding value by using a first pressure regulation coefficient; the first regulation mode meets the condition that the second voltage difference value is larger than a first-level preset second voltage difference value preset in the central control unit; setting the first pressure regulating coefficient to be 0.89, and setting the first-stage preset second voltage difference value to be 40V;
the second pressure regulation mode is that the central control unit regulates the fixed pressure to a corresponding value by using a second pressure regulation coefficient; the second pressure regulating mode meets the condition that the second voltage difference value is smaller than or equal to the first-stage preset second electric quantity difference value and smaller than or equal to a second-stage preset second voltage difference value preset in the central control unit; setting the first pressure regulating coefficient to be 0.82, and setting the second preset voltage difference value to be 25V;
the third pressure adjusting mode is that the central control unit adjusts the fixed pressure to a corresponding value by using a third pressure adjusting coefficient; the third pressure regulating mode meets the condition that the second voltage difference value is smaller than the second preset second voltage difference value; the third pressure adjustment coefficient is set to 0.75.
Specifically, the central control unit corrects the first-stage preset insulation resistance and the second-stage preset insulation resistance and then re-detects the first-stage preset insulation resistance and the second-stage preset insulation resistance.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An insulation and voltage withstand integrated test device for an electric connector is characterized by comprising:
a base;
the fixing module is connected with the base body and used for fixing the electric connector for detection;
the detection module is connected with the substrate and used for detecting the insulation resistance and the electric resistance of the electronic connecting piece fixed by the fixing module;
the central control unit is respectively connected with the fixing module and the detecting module of the base body and used for judging whether the electric connector meets the preset standard according to the insulation resistance measured by the detecting module, if the central control unit judges that the electric connector meets the preset standard, the detecting unit is controlled to detect the electric resistance of the electric connector so as to judge whether the electric connector meets the preset standard,
or when the electronic connector is judged to not meet the preset standard, judging the reason that the electronic connector does not meet the preset standard according to the insulation resistance.
2. The device for integrated test of dielectric strength of electrical connector as set forth in claim 1, wherein the central control unit controls the detection module to detect the insulation resistance of the electrical connector and determine whether the insulation of the electrical connector meets a preset standard according to the insulation resistance, and if the central control unit determines that the insulation of the electrical connector meets the preset standard, the detection module is controlled to detect whether the dielectric strength of the electrical connector meets the preset standard,
and if the central control unit judges that the insulativity of the electric connector does not meet the preset standard, correcting the preset standard according to the thickness of the insulating layer of the part to be tested, or determining the reason that the insulativity of the electric connector does not meet the preset standard according to the insulation resistance.
3. The device for comprehensive testing of insulation and voltage withstand of an electrical connector according to claim 2, wherein the central control unit judges whether the electrical connector meets a preset standard according to the electrical resistance of the electrical connector when judging that the insulation of the electrical connector meets the preset standard, and if the central control unit judges that the electrical connector does not meet the preset standard and judges that the voltage boosting speed of the detection module is greater than the preset standard in the process of performing the voltage withstand test on the electrical connector, the central control unit adjusts the boosting speed to a corresponding value according to the electrical resistance.
4. The device for comprehensive testing of insulation and voltage withstand of electrical connector according to claim 3, wherein when the central control unit determines that the voltage boosting speed needs to be adjusted, the central control unit is provided with a plurality of adjustment modes aiming at the voltage boosting speed according to the difference value between the anti-electric intensity and the preset anti-electric intensity preset in the central control unit, and the adjustment ranges of the adjustment modes aiming at the voltage boosting speed are different.
5. The comprehensive insulation and voltage withstanding test device for the electric connector according to claim 2, wherein the central control unit is provided with a plurality of correction modes aiming at a primary preset insulation resistance and a secondary preset insulation resistance preset in the central control unit according to the thickness of an insulation layer of a part to be tested when judging that the insulativity of the electric connector does not meet a preset standard, and the correction amplitudes of the primary preset insulation resistance and the secondary preset insulation resistance of the correction modes are different.
6. The integrated test device for insulation and voltage withstand of an electrical connector according to claim 5, wherein the central control unit determines, when it is determined that the electrical connector insulation does not meet a preset criterion, a cause for the electrical connector insulation not meeting the preset criterion according to a difference between the secondary preset insulation resistance and the insulation resistance, comprising: and carrying out secondary judgment on the reason that the insulativity of the electric connector does not meet the preset standard, or judging the fault of the testing device and sending out fault notification by the central control unit.
7. The integrated test device for insulation and voltage withstand of an electrical connector according to claim 6, wherein the control unit controls the detection unit to detect an insulation gap to make a secondary determination of a cause of the insulation of the electrical connector not meeting a preset criterion, comprising: the insulation gap is higher than a preset standard, and the fixing pressure of the fixing device is higher than the preset standard, so that the insulation layer is lower than the preset standard, or the detection unit breaks down and sends out a fault notification.
8. The device for comprehensive insulation and voltage withstand test of an electrical connector according to claim 7, wherein when the secondary judgment of the insulation property of the electrical connector does not meet the preset standard is that the insulation gap is higher than the preset standard, the central control unit is provided with a plurality of gap adjustment modes aiming at the insulation gap according to the difference value between the preset first-level preset detection voltage in the central control unit and the actual detection voltage of the detection module in the detection process, and the adjustment amplitude of each gap adjustment mode aiming at the insulation gap is different.
9. The device for testing the insulation and voltage resistance of the electrical connector according to claim 7, wherein the central control unit is provided with a plurality of pressure adjustment modes aiming at the fixed pressure according to the difference value between the actual detection voltage and the first-level preset detection voltage preset in the central control unit when the secondary judgment that the insulation of the electrical connector does not meet the preset standard is because the fixed pressure of the fixing device is larger than the preset standard, and the adjustment amplitudes of the adjustment modes aiming at the fixed pressure are different.
10. The integrated test device for insulation and voltage resistance of electrical connector according to claim 3, wherein the central control unit performs the detection again after correcting the primary preset insulation resistance and the secondary preset insulation resistance.
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Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587417A (en) * 1944-10-05 1947-04-24 Reyrolle A & Co Ltd Improvements in or relating to the testing of electric insulation
JP2009168643A (en) * 2008-01-17 2009-07-30 Hioki Ee Corp Insulation inspection method and insulation inspection device
CN101718835A (en) * 2009-11-23 2010-06-02 泰兴市航联电连接器有限公司 Comprehensive insulation and voltage resistance testing device of electric connector
CN203623396U (en) * 2013-11-07 2014-06-04 观致汽车有限公司 Battery management system for vehicle and vehicle
CN104090216A (en) * 2014-07-10 2014-10-08 苏州福瑞互感器有限公司 Device and method for detecting wiring harness high-voltage insulation
CN106546940A (en) * 2016-11-16 2017-03-29 国网上海市电力公司 A kind of field testing procedure of optical voltage transformer
CN106645964A (en) * 2016-12-30 2017-05-10 潍柴动力股份有限公司 Insulation test method, master controller and insulation test instrument
CN108181544A (en) * 2018-01-16 2018-06-19 苏州华旃航天电器有限公司 A kind of electric connector leakage current and insulation resistance measuring device and its measuring method
CN108398622A (en) * 2018-03-28 2018-08-14 湖南二三智能科技有限公司 A kind of electric insulation detecting system, method and device
JP2019056572A (en) * 2017-09-20 2019-04-11 東日本旅客鉄道株式会社 Cable insulation monitoring device
CN110297169A (en) * 2019-06-28 2019-10-01 广东电网有限责任公司 A kind of 10kV metal oxide arrester integrated experiment device
CN112441020A (en) * 2019-08-30 2021-03-05 现代自动车株式会社 Device and method for analyzing fault cause caused by insulation breakdown based on big data
CN112540268A (en) * 2020-12-28 2021-03-23 中天科技海缆股份有限公司 Transmission line fault detection
CN112698234A (en) * 2020-12-28 2021-04-23 广州鹏辉能源科技股份有限公司 Battery pack insulation abnormity reason analysis method and device and computer equipment
CN114019322A (en) * 2021-10-25 2022-02-08 深圳市道通合创新能源有限公司 Insulation detection system, method and tool for power battery pack and new energy automobile
CN114755496A (en) * 2021-01-11 2022-07-15 现代自动车株式会社 Insulation resistance detection apparatus, system having the same, and method thereof
CN115017718A (en) * 2022-06-20 2022-09-06 广汽埃安新能源汽车有限公司 Method and device for predicting insulation and voltage resistance of PCB
CN115639441A (en) * 2022-10-17 2023-01-24 广州白云电器设备股份有限公司 Method for detecting insulation fault of power distribution circuit of fire emergency lighting and evacuation indicating system
CN116315028A (en) * 2023-05-24 2023-06-23 时代广汽动力电池有限公司 Intelligent preparation method based on high-shock-resistance storage battery shell
CN116729122A (en) * 2022-03-04 2023-09-12 北京车和家汽车科技有限公司 Detection method and device for insulation abnormality of vehicle-mounted battery, vehicle-mounted system and vehicle
CN116852996A (en) * 2023-06-30 2023-10-10 潍柴动力股份有限公司 Motor controller, detection method and vehicle
LU504013B1 (en) * 2022-04-30 2023-10-20 Huaneng Yimin Coal Power Co Ltd An automatic tested device for withstand voltage of insulating tool

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB587417A (en) * 1944-10-05 1947-04-24 Reyrolle A & Co Ltd Improvements in or relating to the testing of electric insulation
JP2009168643A (en) * 2008-01-17 2009-07-30 Hioki Ee Corp Insulation inspection method and insulation inspection device
CN101718835A (en) * 2009-11-23 2010-06-02 泰兴市航联电连接器有限公司 Comprehensive insulation and voltage resistance testing device of electric connector
CN203623396U (en) * 2013-11-07 2014-06-04 观致汽车有限公司 Battery management system for vehicle and vehicle
CN104090216A (en) * 2014-07-10 2014-10-08 苏州福瑞互感器有限公司 Device and method for detecting wiring harness high-voltage insulation
CN106546940A (en) * 2016-11-16 2017-03-29 国网上海市电力公司 A kind of field testing procedure of optical voltage transformer
CN106645964A (en) * 2016-12-30 2017-05-10 潍柴动力股份有限公司 Insulation test method, master controller and insulation test instrument
JP2019056572A (en) * 2017-09-20 2019-04-11 東日本旅客鉄道株式会社 Cable insulation monitoring device
CN108181544A (en) * 2018-01-16 2018-06-19 苏州华旃航天电器有限公司 A kind of electric connector leakage current and insulation resistance measuring device and its measuring method
CN108398622A (en) * 2018-03-28 2018-08-14 湖南二三智能科技有限公司 A kind of electric insulation detecting system, method and device
CN110297169A (en) * 2019-06-28 2019-10-01 广东电网有限责任公司 A kind of 10kV metal oxide arrester integrated experiment device
CN112441020A (en) * 2019-08-30 2021-03-05 现代自动车株式会社 Device and method for analyzing fault cause caused by insulation breakdown based on big data
CN112540268A (en) * 2020-12-28 2021-03-23 中天科技海缆股份有限公司 Transmission line fault detection
CN112698234A (en) * 2020-12-28 2021-04-23 广州鹏辉能源科技股份有限公司 Battery pack insulation abnormity reason analysis method and device and computer equipment
CN114755496A (en) * 2021-01-11 2022-07-15 现代自动车株式会社 Insulation resistance detection apparatus, system having the same, and method thereof
CN114019322A (en) * 2021-10-25 2022-02-08 深圳市道通合创新能源有限公司 Insulation detection system, method and tool for power battery pack and new energy automobile
CN116729122A (en) * 2022-03-04 2023-09-12 北京车和家汽车科技有限公司 Detection method and device for insulation abnormality of vehicle-mounted battery, vehicle-mounted system and vehicle
LU504013B1 (en) * 2022-04-30 2023-10-20 Huaneng Yimin Coal Power Co Ltd An automatic tested device for withstand voltage of insulating tool
CN115017718A (en) * 2022-06-20 2022-09-06 广汽埃安新能源汽车有限公司 Method and device for predicting insulation and voltage resistance of PCB
CN115639441A (en) * 2022-10-17 2023-01-24 广州白云电器设备股份有限公司 Method for detecting insulation fault of power distribution circuit of fire emergency lighting and evacuation indicating system
CN116315028A (en) * 2023-05-24 2023-06-23 时代广汽动力电池有限公司 Intelligent preparation method based on high-shock-resistance storage battery shell
CN116852996A (en) * 2023-06-30 2023-10-10 潍柴动力股份有限公司 Motor controller, detection method and vehicle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MINGHUA LI: "Sheath insulation fault test technique for high voltage power cables", CONFERENCE RECORD OF THE 2004 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION, 17 January 2005 (2005-01-17) *
王雪菲 等: "一起 35kV 变压器内部绝缘故障的 原因分析与修复", 变压器, vol. 58, no. 7, 31 July 2021 (2021-07-31) *

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