CN218445945U - Auxiliary device for calibrating surface resistance tester - Google Patents
Auxiliary device for calibrating surface resistance tester Download PDFInfo
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- CN218445945U CN218445945U CN202222484299.5U CN202222484299U CN218445945U CN 218445945 U CN218445945 U CN 218445945U CN 202222484299 U CN202222484299 U CN 202222484299U CN 218445945 U CN218445945 U CN 218445945U
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Abstract
The utility model discloses a surface resistance tester calibration auxiliary device, both ends at the shield shell bottom plate are fixed with the slide rail respectively, all install two sliders on the slide rail at both ends, install two conductors between two slide rails, it has long recess to open at the conductor up end, install clamping device on long recess lateral wall, install the camera at shield shell's upper cover inner wall, still install the spring button pole on covering, be equipped with respectively on two conductors and draw forth the wiring foot, it connects 5320A's output respectively to draw forth the wiring foot, 5320A's 232 interface connection is to the PC end, the output of camera is connected to the PC end. The utility model can adjust the distance between the conductors according to the size of the two electrodes on the surface resistance tester, and has simple operation; the light emitting condition of the light emitting diode in each measuring range of the surface resistance tester is identified through the image transmitted back by the camera, the resistance value of the upper limit and the lower limit of the surface resistance tester is determined, and the accuracy is high.
Description
Technical Field
The utility model relates to a surface resistance tester calibration technical field especially relates to a surface resistance tester calibration auxiliary device.
Background
The surface resistance tester displayed by the light emitting diode is a display system consisting of a plurality of light emitting diodes, can only display the magnitude order of the output resistor, and has a resistance value measuring range of 10 degrees since the resistance value of the surface resistor is wider 3 Ohm to 10 12 Ohm, instituteSo that a shielding device must be assembled to the device to improve the measurement accuracy. When the surface of the tested sample is measured, a certain light-emitting diode is displayed bright, namely, the surface resistance range of the tested sample is determined. The metering parameters of the measuring range corresponding to each light-emitting diode comprise a measuring range, an upper measuring limit value of the measuring range, a lower measuring limit value of the measuring range, a middle measuring value of the measuring range and the like, and because the surface resistance tester to be measured has more measuring ranges (generally 10 measuring ranges), the number of measuring points is dozens, the workload is large, and the efficiency is low.
According to the national verification regulation JJF1285-2011, when the basic resistance error of a surface resistance tester (displayed by a light-emitting diode LED) is calibrated, the upper limit resistance value and the lower limit resistance value of each measuring range need to be calibrated, when the existing surface resistance tester is calibrated, only a tiger clamp can be used for fixing the electrode of the surface resistance tester, the application range is small, visual identification is needed, and the workload is large and inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a surface resistance tester calibration auxiliary device.
The utility model discloses a realize through following technical scheme:
the utility model provides a surface resistance tester calibration auxiliary device, including shielding shell, multi-functional electric safety test calibrator and PC end, both ends at shielding shell bottom plate are fixed with the slide rail respectively, all install two sliders on the slide rail at both ends, install two conductors between two slide rails, the both ends of conductor are connected respectively on the slider of slide rail, it has long recess to open at the conductor up end, install clamping device at long recess lateral wall, install the camera at shielding shell's upper cover inner wall, still install the spring button pole on the upper cover, the spring button pole stretches inside shielding shell, be equipped with respectively on two conductors and draw forth the wiring foot, it is located shielding shell outside to draw forth the wiring foot, the output of multi-functional electric safety test calibrator is connected respectively to the drawing forth the wiring foot, the 232 interface connection of multi-functional electric safety test calibrator is to the PC end, the output of camera is connected to the PC end.
And a pressing plate is fixed at the lower end of the spring button rod.
The clamping device comprises two clamping plates, a spring is fixed on the outer side surfaces of the two clamping plates, and the other end of the spring is fixed on the inner wall of the long groove.
The sliding rail and the sliding block are insulators.
The utility model has the advantages that: the utility model can adjust the distance between the conductors according to the size of the two electrodes on the surface resistance tester by fixing the two ends of the conductors on the slide block of the slide rail, and the operation is simple; the inner wall of the upper cover of the shielding shell is provided with the camera, the light emitting condition of the light emitting diode of each range of the surface resistance tester is identified through the image transmitted back by the camera, the resistance value of the upper limit and the lower limit of the surface resistance tester is determined, and the accuracy is high; the test switch on the surface resistance tester is pressed through the spring button rod, the test switch can be pressed on once, and the test switch can be loosened by pressing once again until the whole calibration process is finished, so that the deviation caused by manual operation is reduced, and the workload is reduced.
Drawings
Fig. 1 is a top view of the inside of the shielding case of the present invention.
Fig. 2 is an upper cover view of the shielding shell of the present invention.
Fig. 3 is a schematic view of a spring button rod structure.
Detailed Description
As shown in fig. 1, an auxiliary calibration device for a surface resistance tester, which comprises a shielding housing 1, a multifunctional electrical safety tester calibrator 2 and a PC terminal 3, wherein two ends of a bottom plate of the shielding housing 1 are respectively fixed with a slide rail 4, two slide blocks 5 are respectively installed on the slide rails 4 at the two ends, two conductors 6 are installed between the two slide rails 4, two ends of each conductor 6 are respectively connected to the slide blocks 5 of the slide rails 4, so that the distance between the two conductors can be adjusted, a long groove 7 is formed in the upper end face of each conductor 6, a clamping device is installed on the side wall of each long groove 7, two electrodes of a surface resistance tester are respectively placed in the long grooves 7 and clamped by the clamping device, a camera 9 is installed on the inner wall of an upper cover 8 of the shielding housing 1, a spring button rod 10 is further installed on the upper cover 8, the spring button rod 10 extends into the shielding housing 1, lead-out wiring pins 11 are respectively arranged on the two conductors 6, the lead-out wiring pins 11 are located outside the shielding housing 1, the lead-out wiring pins 11 are respectively connected to an output terminal of the multifunctional electrical safety tester calibrator 2, an interface 232 of the multifunctional electrical safety tester 2 is connected to the PC terminal 3, and an output terminal of the PC terminal.
The lower end of the spring button rod 10 is fixed with a pressing plate 12, so that the pressing area is large, and the problem that the spring button rod and a test switch on a surface resistance tester can not be pressed in an aligned mode can be solved.
The clamping device comprises two clamping plates 13, springs 14 are fixed on the outer side faces of the two clamping plates 13, the other ends of the springs 14 are fixed on the inner wall of the long groove 7, when electrodes of the surface resistance tester are placed in the long groove 7, the electrodes are pressed between the two clamping plates 13, the electrodes are clamped through the force of the springs 14, when the electrodes need to be taken out, the electrodes are directly taken out, and the clamping plates 13 reset under the action of the springs 14.
The slide rail 4 and the slider 5 are insulators.
Lead-out wiring pins 11 are led out from the two conductors 6, and the lead-out wiring pins 11 are connected with a multifunctional electrical safety test calibrator (a standard high-resistance device 5320A). The upper cover of the shielding shell is provided with a camera and a spring button rod, the principle of the spring button rod is the same as that of a button switch, the camera is used for shooting and recording the light-emitting condition of a diode of the surface resistance tester, and the spring button rod replaces a test switch for manually pressing the surface resistance tester.
The test procedure was as follows:
(1) Two electrodes of the surface resistance tester are placed in the long grooves 7 of the two conductors and are clamped through the clamping plates 13;
(2) The lead-out wiring pin is connected with the output end of the multifunctional electrical safety test calibrator 2 (5320A), the 232 interface of 5320A is connected to the PC end 3, and the output end of the camera 9 is connected to the PC end.
(3) The PC end 3 controls the resistance output of the 5320A, and the images transmitted back by the camera are used for identifying the light emitting condition of the light emitting diode of each measuring range of the surface resistance tester and determining the resistance value of the upper limit and the lower limit of the light emitting diode.
Claims (4)
1. The utility model provides a surface resistance tester calibration auxiliary device which characterized in that: including shielding shell, multi-functional electrical safety tests calibrator and PC end, both ends at the shielding shell bottom plate are fixed with the slide rail respectively, all install two sliders on the slide rail at both ends, install two conductors between two slide rails, the both ends of conductor are connected respectively on the slider of slide rail, it has long recess to open at the conductor up end, install clamping device on long recess lateral wall, install the camera at shielding shell's upper cover inner wall, still install the spring button pole on covering, the spring button pole stretches inside the shielding shell, be equipped with respectively on two conductors and draw forth the wiring foot, it is located the shielding shell outside to draw forth the wiring foot, the output of multi-functional electrical safety tests calibrator is connected respectively to the wiring foot, the 232 interface connection of multi-functional electrical safety tests calibrator is to the PC end, the output of camera is connected to the PC end.
2. The auxiliary device for calibrating the surface resistance tester of claim 1, wherein: and a pressing plate is fixed at the lower end of the spring button rod.
3. The auxiliary device for calibrating the surface resistance tester of claim 1, wherein: the clamping device comprises two clamping plates, springs are fixed on the outer side faces of the two clamping plates, and the other ends of the springs are fixed on the inner wall of the long groove.
4. The auxiliary device for calibrating the surface resistance tester of claim 1, wherein: the sliding rail and the sliding block are insulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222484299.5U CN218445945U (en) | 2022-09-20 | 2022-09-20 | Auxiliary device for calibrating surface resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222484299.5U CN218445945U (en) | 2022-09-20 | 2022-09-20 | Auxiliary device for calibrating surface resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218445945U true CN218445945U (en) | 2023-02-03 |
Family
ID=85081868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222484299.5U Active CN218445945U (en) | 2022-09-20 | 2022-09-20 | Auxiliary device for calibrating surface resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218445945U (en) |
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2022
- 2022-09-20 CN CN202222484299.5U patent/CN218445945U/en active Active
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