CN112433123B - Terminal electrical performance testing device and method - Google Patents
Terminal electrical performance testing device and method Download PDFInfo
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- CN112433123B CN112433123B CN202011344511.7A CN202011344511A CN112433123B CN 112433123 B CN112433123 B CN 112433123B CN 202011344511 A CN202011344511 A CN 202011344511A CN 112433123 B CN112433123 B CN 112433123B
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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
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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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
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The embodiment of the application discloses terminal electrical property testing arrangement and method, at first, set up a testboard, be equipped with first movable platform and second movable platform on the testboard, the distance between second movable platform upper surface and the testboard upper surface is predetermined distance definite value, then, acquire the electric current or the voltage of two terminal insulating parts on the second movable platform through the detector, measure the electric clearance of two terminals through the scale, finally, acquire the creepage distance of terminal through distance definite value and electric clearance, according to the time of spraying that predetermines, control sprays the subassembly and sprays the sodium chloride solution to the terminal, acquire electric current or voltage under the terminal salt fog environment. The device and the method for testing the electrical performance of the terminal solve the problems that when the electrical performance of the terminal is tested, the test is often carried out by adopting a manual method, the test is often required for multiple times, and the procedure is complicated.
Description
Technical Field
The application relates to the technical field of electrical performance testing, in particular to a device and a method for testing electrical performance of a terminal.
Background
In an electric power system, a terminal is a component for connecting a storage battery and an external conductor, is mainly used for transmitting electric signals and conducting electricity, and brings convenience to production and use. Before the terminal is put into use, the electrical performance of the terminal needs to be tested so as to ensure the stability, reliability and safety of the terminal in the actual use process and meet the factory use requirements.
At present, when the electrical performance of a terminal is tested, a manual method is often adopted for testing, the testing is often required for many times, and the procedure is complicated. Therefore, it is desirable to provide a terminal electrical performance testing apparatus and method that is easy to use.
Disclosure of Invention
In order to solve the problems that when the electrical performance of the terminal is tested, a manual method is often adopted for testing, the test is often required for multiple times, and the procedure is complicated, the application discloses a device and a method for testing the electrical performance of the terminal, which are convenient to use, through the following embodiments.
The application discloses in a first aspect, a terminal electrical performance testing device, the device includes: the device comprises a device outer frame, a test board, a first movable platform, a second movable platform, a terminal, a controller, a graduated scale, a detector and an environment test component;
the first movable platform is arranged on the test board and is movably connected with the test board;
the second movable platform is arranged on the first movable platform and is movably connected with the first movable platform;
the first movable platform and the second movable platform are both arranged oppositely, and the distance between the upper surface of the second movable platform and the upper surface of the test board is a preset distance fixed value;
the two terminals are oppositely arranged and are respectively positioned on the two second movable platforms;
the detector is positioned on the test bench and used for acquiring the current or voltage of the insulation parts of the two terminals, and the insulation parts of the two terminals are positioned on the opposite sides of the two terminals;
the graduated scale is positioned on the side parts of the test platform and the first movable platform, and is used for acquiring an electrical gap between the two terminals, wherein the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals;
the controller is positioned on the device outer frame, is electrically connected with the first movable platform, the second movable platform and the detector and is used for coordinating the first movable platform, the second movable platform and the detector to work;
the environment test assembly comprises a mechanical arm, an isolation cover and a spraying assembly, the mechanical arm is connected with the isolation cover, the spraying assembly is arranged inside the isolation cover, the mechanical arm is used for driving the isolation cover to cover the terminal in an enclosed space formed by the isolation cover and the second movable platform, and the spraying assembly is used for spraying sodium chloride solution to the terminal finely.
Optionally, the device further includes a protective cover, and the protective cover encloses the device outer frame, the test board, the first movable platform, the second movable platform, the terminal, the controller, and the environment testing component.
Optionally, the device further comprises a protective door, the protective door is arranged on the protective cover, and an alarm is arranged on the protective door;
when the electrical performance testing device is in a working state, if the protective door is opened, the alarm gives an alarm.
Optionally, the first movable platform, the second movable platform, the test bench and the protective cover are all made of insulating materials.
Optionally, an electrode is further disposed on the second movable platform, and the electrode is used for communicating with the terminal.
Optionally, the first movable platform and the second movable platform are driven by two sets of mutually independent linear modules, and the linear modules are electrically connected with the controller.
The second aspect of the present application discloses a method for testing electrical performance of a terminal, the method is applied to a controller, the controller is located in a device for testing electrical performance of a terminal according to the first aspect of the present application, and the method comprises:
the method comprises the steps that a preset distance constant value is obtained, the distance constant value is the distance between the upper surface of a second movable platform and the upper surface of a test board, the test board is sequentially provided with a first movable platform and a second movable platform which are movably connected from bottom to top, the first movable platform and the second movable platform are provided with two opposite terminals, the second movable platform is provided with two opposite terminals, and the test board is further provided with a graduated scale and a detector;
obtaining current or voltage of two terminal insulation parts, wherein the two terminal insulation parts are positioned at opposite sides of the two terminals;
acquiring an electrical gap through the scale, wherein the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals;
according to the distance fixed value and the electric gap, acquiring the creepage distance of the two terminals;
controlling a spraying assembly to spray sodium chloride solution to the terminal in a fine mode according to preset spraying time, wherein the spraying assembly is located in an environment testing assembly, the environment testing assembly further comprises a manipulator and an isolation cover, the manipulator is connected with the isolation cover, the spraying assembly is arranged in the isolation cover, and the manipulator is used for driving the isolation cover to cover the terminal in a closed space formed by the isolation cover and the second movable platform;
and after the preset spraying time, applying 2500V power frequency voltage to the two terminals, and acquiring the current or the voltage of the two terminals.
The embodiment of the application discloses a device and a method for testing the electrical performance of a terminal, wherein a test board is arranged, a first movable platform and a second movable platform which are sequentially and movably connected on the test board from bottom to top and can move independently are arranged, the distance between the upper surface of the second movable platform and the upper surface of the test board is a preset distance fixed value, a terminal is respectively placed on the two oppositely arranged second movable platforms, the distance between the terminals is adjusted through the first movable platform and the second movable platform, the current or the voltage of the insulating parts of the two terminals is obtained through a detector, a graduated scale is arranged on the test board and the side part of the first movable platform, the electrical clearance of the two terminals is measured through the graduated scale, the creepage distance of the two terminals is obtained according to the distance fixed value and the electrical clearance, and according to the preset spraying time, and controlling the spraying assembly to spray sodium chloride solution to the terminals finely, applying 2500V power frequency voltage to the two terminals, and obtaining the current or voltage of the two terminals, thereby forming the testing device and the testing method capable of detecting the electrical performance of the terminals.
The device and the method for testing the electrical performance of the terminal solve the problems that when the electrical performance of the terminal is tested, the test is often carried out by adopting a manual method, the test is often required for multiple times, and the procedure is complicated.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a terminal electrical performance testing apparatus disclosed in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of another terminal electrical performance testing apparatus disclosed in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of another terminal electrical performance testing apparatus disclosed in the embodiment of the present application;
FIG. 4 is a schematic structural diagram of another terminal electrical performance testing apparatus disclosed in the embodiments of the present application;
fig. 5 is a schematic workflow diagram of a method for testing electrical performance of a terminal according to an embodiment of the present application.
Detailed Description
In order to solve the problems that when the electrical performance of the terminal is tested, a manual method is often adopted for testing, the test is often required for multiple times, and the procedure is complicated, the application discloses a device and a method for testing the electrical performance of the terminal, which are convenient to use, through the following embodiments.
The first embodiment of the present application discloses a terminal electrical performance testing device, referring to the schematic structural diagrams shown in fig. 1 to 4, the device includes: the device comprises a device outer frame 1, a test board 2, a first movable platform 3, a second movable platform 4, a terminal 5, a controller 6, a graduated scale 8, a detector 9 and an environment test component 7.
The first movable platform 3 is arranged on the test board 2 and is movably connected with the test board 2.
The second movable platform 4 is arranged on the first movable platform 3 and is movably connected with the first movable platform 3.
The first movable platform 3 and the second movable platform 4 are driven by two groups of mutually independent linear modules, so that the first movable platform 3 and the second movable platform 4 can be close to or far away from each other, and the linear modules are electrically connected with the controller 6.
And an electrode is also arranged on the second movable platform 4 and is used for communicating the terminal 5.
It should be noted that the linear module is a standardized motion driving assembly, and generally includes a slider, a screw rod and a motor, and the screw rod is driven by the motor to rotate, and the slider is driven by the screw rod to move along the length direction of the screw rod, and generally the motor can be selected as a common motor, a stepping motor or a servo motor as required, and can be selected according to the parameter requirements of a use scene in the specific application process.
First movable platform 3 with second movable platform 4 all is equipped with two, is relative setting, just second movable platform 4 upper surface with distance between 2 upper surfaces of testboard is the distance definite value of predetermineeing, it is the creepage distance that conveniently calculates terminal 5 to predetermine the distance definite value.
The two terminals 5 are oppositely arranged and respectively located on the two second movable platforms 4.
The detector 9 is located on the test bench 2 for obtaining the current or voltage of the insulation of the two terminals 5, the insulation of the two terminals 5 being located on opposite sides of the two terminals 5.
The graduated scale 8 is located on the side portions of the test platform 2 and the first movable platform 3, the graduated scale 8 is used for obtaining an electrical gap between the two terminals 5, the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals 5.
Specifically, scale 8 includes first scale and second scale, and the lateral part at testboard 2 is installed to first scale, and the second scale install at the lateral part of first movable platform 3 and with first scale is at the homonymy. The first graduated scale is used for measuring the distance that is between two relative first movable platform 3 that set up, and the second graduated scale is used for measuring the distance between second movable platform 4 for first movable platform 3, through the reading summation to the reading of first graduated scale and the reading of second graduated scale, obtains the electric clearance parameter of two terminals 5.
The controller 6 is located on the device outer frame 1, and the controller 6 is electrically connected with the first movable platform 3, the second movable platform 4 and the detector 9 and is used for coordinating the first movable platform 3, the second movable platform 4 and the detector 9 to work.
Specifically, the controller 6 includes a control main board and operation buttons, and the functional operations of the first movable platform 3, the second movable platform 4, and the detector 9 are realized by pressing the operation buttons of the corresponding functions. The first movable platform 3 and the second movable platform 4 can be driven to move close to each other through a controller 6 under the automatic control of one key until the detector 9 detects current or voltage information and then stops moving, and at the moment, the reading on the graduated scale 8 is read to obtain the electric gap parameter of the terminal 5. For safety, a sensor may be further disposed between the first movable platform 3 and the second movable platform 4, and when the first movable platform 3 and the second movable platform 4 reach a set critical point (i.e., the position of the sensor), the sensor sends a signal, and the controller 6 controls the first movable platform 3 and the second movable platform 4 to stop moving, so as to ensure the reliability and stability of the electrical performance testing apparatus during operation.
The environment testing component 7 comprises a manipulator 701, an isolation cover 702 and a spraying component 703, the manipulator 701 is connected with the isolation cover 702, the spraying component 703 is arranged inside the isolation cover 702, the manipulator 701 is used for driving the isolation cover 702 to cover the terminal 5 in a closed space formed by the isolation cover 702 and the second movable platform 4, and the spraying component 703 is used for finely spraying a sodium chloride solution to the terminal 5.
Specifically, a 5% sodium chloride solution with a pH value of 6.5-7.2 is selected in the test process, and the terminal 5 is sprayed finely at an ambient temperature of 35 ℃ for 72 hours, 48 hours or 24 hours. The test contents include visual inspection and application of 2500V power frequency withstand voltage electrical test to judge the corrosive effect of salt fog on the node part of the test component (i.e. the terminal 5).
Further, the device also comprises a protective cover, wherein the protective cover encloses the device outer frame 1, the test platform 2, the first movable platform 3, the second movable platform 4, the terminal 5, the controller 6 and the environment testing component 7.
Furthermore, the first movable platform 3, the second movable platform 4, the test bench 2 and the protective cover are all made of insulating materials, so that the protective cover plays a role in protecting operating personnel and avoids the influence of external uncertain factors on the electrical performance testing device.
Furthermore, the device also comprises a protective door, wherein the protective door is arranged on the protective cover, and an alarm is arranged on the protective door.
When the electrical performance testing device is in a working state, if the protective door is opened, the alarm gives an alarm.
Specifically, an alarm is arranged at the protective door, when the electrical performance testing device is in a working state, if the protective door is opened, the alarm gives an alarm to prompt an operator to process, and meanwhile, the testing device stops working; when the guard gate is for the open mode, open electrical performance testing arrangement and carry out work, the alarm also sends the warning this moment, and the warning can be the buzzing sound, can be the warning light of scintillation, also can be pronunciation warning sound etc. to suggestion operating personnel handles, ensures the fail safe nature of electrical performance testing arrangement in the course of the work.
The second embodiment of the present application discloses a method for testing electrical performance of a terminal, which is applied to a controller, the controller is located in a device for testing electrical performance of a terminal according to the first embodiment of the present application, referring to a schematic workflow diagram shown in fig. 5, the method includes:
step S1, obtain and predetermine the distance definite value, the distance definite value is the distance between second movable platform upper surface and the testboard upper surface, supreme first movable platform and the second movable platform that is equipped with swing joint is followed to the testboard, first movable platform and second movable platform are equipped with two, are relative setting, be equipped with two terminals that are relative setting on the second movable platform, still be equipped with scale and detector on the testboard.
Specifically, the first movable platform is arranged on the test board and is movably connected with the test board. The second movable platform is arranged on the first movable platform and is movably connected with the first movable platform. The first movable platform and the second movable platform are driven by two groups of mutually independent linear modules, so that the first movable platform 3 and the second movable platform can be close to or far away from each other, and the linear modules are electrically connected with the controller. And the second movable platform is also provided with an electrode which is used for communicating the terminal. It should be noted that the linear module is a standardized motion driving assembly, and generally includes a slider, a screw rod and a motor, and the screw rod is driven by the motor to rotate, and the slider is driven by the screw rod to move along the length direction of the screw rod, and generally the motor can be selected as a common motor, a stepping motor or a servo motor as required, and can be selected according to the parameter requirements of a use scene in the specific application process.
Step S2, obtaining a current or voltage of an insulation of two terminals, the insulation of the two terminals being located at opposite sides of the two terminals.
Specifically, the detector is located on the test bench and used for acquiring current or voltage of the insulating parts of the two terminals.
Step S3, obtaining an electrical gap through the scale, where the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals.
Specifically, the graduated scale is located the lateral part of testboard and first movable platform, the graduated scale is used for acquireing the electric clearance of two terminals, electric clearance be with the electric clearance that the electric current corresponds or be with the electric clearance that the voltage corresponds, electric clearance is the distance between two terminals. The scale comprises a first scale and a second scale, the first scale is arranged on the lateral part of the test board, and the second scale is arranged on the lateral part of the first movable platform and is positioned at the same side as the first scale. The first graduated scale is used for measuring the distance that is between two relative first movable platform that set up, and the second graduated scale is used for measuring the distance that the second movable platform is for between the first movable platform, through the reading summation to the reading of first graduated scale and the reading of second graduated scale, obtains the electric clearance parameter of two terminals.
And step S4, acquiring the creepage distance of the two terminals according to the distance fixed value and the electric clearance.
Specifically, the creepage distance is the sum of twice the distance fixed value and the creepage distance.
And S5, controlling a spraying assembly to spray sodium chloride solution to the terminal in a fine mode according to preset spraying time, wherein the spraying assembly is located in an environment testing assembly, the environment testing assembly further comprises a manipulator and an isolation cover, the manipulator is connected with the isolation cover, the spraying assembly is arranged inside the isolation cover, and the manipulator is used for driving the isolation cover to cover the terminal in a closed space formed by the isolation cover and the second movable platform in a surrounding mode.
Specifically, a 5% sodium chloride solution with a pH value of 6.5-7.2 is selected in the test process, and the terminal is sprayed finely at an ambient temperature of 35 ℃ for 72 hours, 48 hours or 24 hours. The test contents comprise visual inspection and application of 2500V power frequency voltage resistance electrical test to judge the corrosion effect of salt fog on the node part of the test component (namely the terminal).
And S6, after the preset spraying time, applying 2500V power frequency voltage to the two terminals, and acquiring the current or voltage of the two terminals.
The embodiment of the application discloses a device and a method for testing the electrical performance of a terminal, wherein a test board is arranged, a first movable platform and a second movable platform which are sequentially and movably connected on the test board from bottom to top and can move independently are arranged, the distance between the upper surface of the second movable platform and the upper surface of the test board is a preset distance fixed value, a terminal is respectively placed on the two oppositely arranged second movable platforms, the distance between the terminals is adjusted through the first movable platform and the second movable platform, the current or the voltage of the insulating parts of the two terminals is obtained through a detector, a graduated scale is arranged on the test board and the side part of the first movable platform, the electrical clearance of the two terminals is measured through the graduated scale, the creepage distance of the two terminals is obtained according to the distance fixed value and the electrical clearance, and according to the preset spraying time, and controlling the spraying assembly to spray sodium chloride solution to the terminals finely, applying 2500V power frequency voltage to the two terminals, and obtaining the current or voltage of the two terminals, thereby forming the testing device and the testing method capable of detecting the electrical performance of the terminals.
The device and the method for testing the electrical performance of the terminal solve the problems that when the electrical performance of the terminal is tested, the test is often carried out by adopting a manual method, the test is often required for multiple times, and the procedure is complicated. The application of the electric performance testing device integrates the functions of electric clearance, creepage distance testing and salt spray environment testing, so that the electric performance testing device is high in utilization rate and compact in structure.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (7)
1. A terminal electrical performance testing apparatus, the apparatus comprising: the device comprises a device outer frame (1), a test board (2), a first movable platform (3), a second movable platform (4), a terminal (5), a controller (6), a graduated scale (8), a detector (9) and an environment test component (7);
the first movable platform (3) is arranged on the test board (2) and is movably connected with the test board (2);
the second movable platform (4) is arranged on the first movable platform (3) and is movably connected with the first movable platform (3);
the first movable platform (3) and the second movable platform (4) are arranged oppositely, and the distance between the upper surface of the second movable platform (4) and the upper surface of the test board (2) is a preset distance fixed value;
the two terminals (5) are oppositely arranged and are respectively positioned on the two second movable platforms (4);
the detector (9) is positioned on the test bench (2) and is used for acquiring the current or voltage of the insulation parts of the two terminals (5), and the insulation parts of the two terminals (5) are positioned on the opposite sides of the two terminals (5);
the graduated scale (8) is located on the side portion of the test platform (2) and the first movable platform (3), the graduated scale (8) is used for obtaining an electrical gap between the two terminals (5), the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals (5);
the controller (6) is positioned on the device outer frame (1), and the controller (6) is electrically connected with the first movable platform (3), the second movable platform (4) and the detector (9) and is used for coordinating the first movable platform (3), the second movable platform (4) and the detector (9) to work;
the environment testing assembly (7) comprises a mechanical arm (701), an isolation hood (702) and a spraying assembly (703), the mechanical arm (701) is connected with the isolation hood (702), the spraying assembly (703) is arranged inside the isolation hood (702), the mechanical arm (701) is used for driving the isolation hood (702) to cover the terminal (5) in a closed space formed by the isolation hood (702) and the second movable platform (4), and the spraying assembly (703) is used for finely spraying a sodium chloride solution to the terminal (5).
2. The device for testing the electrical performance of the terminal according to claim 1, further comprising a protective cover enclosing the device outer frame (1), the test platform (2), the first movable platform (3), the second movable platform (4), the terminal (5), the controller (6) and the environment testing component (7).
3. The device for testing the electrical performance of a terminal of claim 2, further comprising a protective door, wherein the protective door is arranged on the protective cover, and an alarm is arranged on the protective door;
when the electrical performance testing device is in a working state, if the protective door is opened, the alarm gives an alarm.
4. The device for testing the electrical performance of a terminal according to claim 2, wherein the first movable platform (3), the second movable platform (4), the testing platform (2) and the protective cover are made of insulating materials.
5. A terminal electrical performance testing device according to claim 1, characterized in that the second movable platform (4) is further provided with an electrode, and the electrode is used for communicating with the terminal (5).
6. A terminal electrical performance testing device according to claim 1, characterized in that said first movable platform (3) and said second movable platform (4) are driven by two mutually independent linear modules, said linear modules being electrically connected to said controller (6).
7. A terminal electrical performance testing method applied to a controller in a terminal electrical performance testing device according to any one of claims 1 to 6, the method comprising:
the method comprises the steps that a preset distance constant value is obtained, the distance constant value is the distance between the upper surface of a second movable platform and the upper surface of a test board, the test board is sequentially provided with a first movable platform and a second movable platform which are movably connected from bottom to top, the first movable platform and the second movable platform are provided with two opposite terminals, the second movable platform is provided with two opposite terminals, and the test board is further provided with a graduated scale and a detector;
obtaining current or voltage of two terminal insulation parts, wherein the two terminal insulation parts are positioned at opposite sides of the two terminals;
acquiring an electrical gap through the scale, wherein the electrical gap is an electrical gap corresponding to the current or an electrical gap corresponding to the voltage, and the electrical gap is a distance between the two terminals;
according to the distance fixed value and the electric gap, acquiring the creepage distance of the two terminals;
controlling a spraying assembly to spray sodium chloride solution to the terminal in a fine mode according to preset spraying time, wherein the spraying assembly is located in an environment testing assembly, the environment testing assembly further comprises a manipulator and an isolation cover, the manipulator is connected with the isolation cover, the spraying assembly is arranged in the isolation cover, and the manipulator is used for driving the isolation cover to cover the terminal in a closed space formed by the isolation cover and the second movable platform;
and after the preset spraying time, applying 2500V power frequency voltage to the two terminals, and acquiring the current or the voltage of the two terminals.
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| CN202011344511.7A CN112433123B (en) | 2020-11-25 | 2020-11-25 | Terminal electrical performance testing device and method |
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| CN202011344511.7A CN112433123B (en) | 2020-11-25 | 2020-11-25 | Terminal electrical performance testing device and method |
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| CN112433123A CN112433123A (en) | 2021-03-02 |
| CN112433123B true CN112433123B (en) | 2022-08-09 |
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