CN212364558U - Non-contact type electrostatic voltage tester calibrating device capable of controlling test distance - Google Patents
Non-contact type electrostatic voltage tester calibrating device capable of controlling test distance Download PDFInfo
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- CN212364558U CN212364558U CN202021021149.5U CN202021021149U CN212364558U CN 212364558 U CN212364558 U CN 212364558U CN 202021021149 U CN202021021149 U CN 202021021149U CN 212364558 U CN212364558 U CN 212364558U
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Abstract
A non-contact type static voltage tester calibrating device capable of controlling a test distance comprises a positive voltage output unit, a negative voltage output unit, a test distance adjusting unit and a standard flat plate electrode. The high-voltage output end of the positive and negative voltage output unit is connected with a standard flat plate electrode, the low-voltage output end of the standard flat plate electrode is grounded, and the standard flat plate electrode is arranged on the testing distance adjusting unit. A non-contact electrostatic voltage tester calibrating device of steerable test distance, its reasonable in design, convenient to use, dull and stereotyped electrode edge effect is little, measured data is stable, the test distance can pass through single chip microcomputer program control, can effectively promote staff's operation accuracy.
Description
Technical Field
The utility model relates to a voltage tester auxiliary assembly especially relates to a non-contact static voltage tester calibrating device of steerable test distance.
Background
The non-contact electrostatic voltage tester (hereinafter referred to as tester) is widely applied to industries of electric power, electric power installation, lightning protection and the like, and the principle is that under the condition that a tested sample is not powered off, the tester and the tested sample are used for measuring the charged voltage on the sample in a non-contact way. The tester comprises a display unit, a non-contact voltage sensor, a grounding unit and the like. The accuracy of the measurement display voltage has a key influence on judging the electrified condition of the conductor, and the uncertainty of the measurement result is related to the measurement distance, so that the method has higher technical requirements and market demands on the calibration work of the tester. The direct current large voltage is required to be measured under the condition of non-contact, so that the direct calibration cannot be carried out by using the conventional high voltage source, although the JJF1517-2015 non-contact electrostatic voltage measuring instrument has the calibration standard in China at present, a professional calibration instrument capable of controlling the test distance is not provided, the test distance is guaranteed, manual adjustment is often needed, safety accidents such as short circuit and mistaken touch of personnel often occur under the condition that the test distance is small, and the accuracy of the measurement distance result is also reduced by manual reading.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the prior art, provide a non-contact electrostatic voltage tester calibrating device of steerable test distance, its reasonable in design, convenient to use, dull and stereotyped electrode edge effect is little, and measured data is stable, and test distance can effectively promote staff's operation accuracy through the single chip microcomputer program control.
A non-contact electrostatic voltage tester calibrating device of steerable test distance, including positive negative voltage output unit, test distance regulating unit and standard flat plate electrode. The high-voltage output end of the positive and negative voltage output unit is connected with a standard flat plate electrode, the low-voltage output end of the standard flat plate electrode is grounded, and the standard flat plate electrode is arranged on the testing distance adjusting unit. The test distance adjusting unit include single chip microcomputer control system, fixed insulating support, removal insulating support, guide rail, grating sensor and motor, the head end of guide rail is provided with fixed insulating support and motor, and its end is provided with single chip microcomputer control system, fixed insulating support and standard flat motor's center department fixed connection, the activity is provided with the removal insulating support on the guide rail, the motor is connected with the bottom slider belt that removes insulating support, the grating sensor sets up in the both sides of guide rail.
Furthermore, the standard flat plate electrode is of a circular structure, the diameter of the standard flat plate electrode is 30-60cm, the thickness of the standard flat plate electrode is 2-5cm, the standard flat plate electrode is made of pure copper, and the surface and the edge of the standard flat plate electrode are smooth and have no burr and protrusion.
Furthermore, the insulation resistance of the fixed insulation support and the movable insulation support is larger than 1T omega, the withstand voltage is larger than 25kV, the height of the fixed insulation support is 20-35cm, the length of the fixed insulation support is 10cm, and the height of the movable insulation support is 1cm lower than that of the fixed insulation support and the length of the movable insulation support is 10 cm.
Further, the length of the guide rail is 120cm, the width of the guide rail is 10cm, and the height of the guide rail is 5 cm.
Further, the length of the grating sensor is 120 cm.
A non-contact electrostatic voltage tester calibrating device of steerable test distance, its reasonable in design, convenient to use, dull and stereotyped electrode edge effect is little, measured data is stable, the test distance can pass through single chip microcomputer program control, can effectively promote staff's operation accuracy.
Drawings
Fig. 1 is a schematic diagram of a calibration device for a non-contact electrostatic voltage tester capable of controlling a test distance according to the present invention.
Fig. 2 is a schematic structural diagram of a positive and negative voltage output unit of a non-contact electrostatic voltage tester calibration device capable of controlling a test distance.
Fig. 3 is a schematic structural diagram of a testing distance adjusting unit of a non-contact electrostatic voltage tester calibrating device capable of controlling testing distance.
Fig. 4 is a schematic structural diagram of a standard flat plate electrode of a non-contact electrostatic voltage tester calibration apparatus capable of controlling a test distance according to the present invention.
1-positive and negative voltage output unit 1-high voltage output end 1-2-low voltage output end 1-3-voltage knob 1-4-four-digit semi-digital display 2-testing distance adjusting unit 3-single chip microcomputer control system 4-tester 5-220V power supply 6-standard flat plate electrode 6-1-screw hole 7-guide rail 8-fixed insulating support 9-movable insulating support 10-grating sensor.
Detailed Description
Referring now to the drawings in the specification, in conjunction with specific embodiments, there is illustrated the following: a non-contact electrostatic voltage tester calibrating device of steerable test distance, including positive negative voltage output unit 1, test distance regulating unit 2 and standard flat plate electrode 6. The positive and negative voltage output unit is a voltage output device, the length is 30cm, the width is 25cm, the height is 30cm, the weight is less than 2kg, the voltage output range is +/-0-20 kV, the four-digit semi-digital display with the digital display function is 1-4, and the output accuracy grade is as follows: and (4) level 1. The high-voltage output end 1-1 of the positive and negative voltage output unit 1 is connected with a standard flat plate electrode 6, the low-voltage output end 1-2 of the positive and negative voltage output unit is grounded, and the standard flat plate electrode 6 is arranged on the testing distance adjusting unit 2. The test distance adjusting unit 2 comprises a single chip microcomputer control system 3, a fixed insulating support 8, a movable insulating support 9, a guide rail 7, a grating sensor 10 and a motor 11, wherein the fixed insulating support 8 and the motor 11 are arranged at the head end of the guide rail 7, and the single chip microcomputer control system 3 is arranged at the tail end of the guide rail. The single chip microcomputer control system 3 is provided with a 5-inch touch screen panel so as to conveniently set a testing distance (0-100) cm, the lengths of the fixed insulating support 8 and the movable insulating support 9 are removed in a program, the minimum fine scheduling is 0.1mm, and the corresponding time of the system is less than 0.1 second. The fixed insulation support 8 is fixedly connected with the center of the standard flat motor 6, the movable insulation support 9 is movably arranged on the guide rail 7, and the motor 11 is connected with a bottom slider belt of the movable insulation support 9. The length of the belt is 240cm, the belt can be in close contact with the motor 11 and the movable insulating support, and the rotation of the motor 11 is adjustable in a range of (0.5-5) revolutions per second. The grating sensors 10 are disposed on both sides of the guide rail 7.
Furthermore, the standard flat plate electrode 6 is of a circular structure, the diameter of the standard flat plate electrode is 30-60cm, the error is +/-0.2 cm, the thickness of the standard flat plate electrode is 2-5cm, and the error is 0.1cm, the standard flat plate electrode 6 is made of pure copper, and the surface and the edge of the standard flat plate electrode are smooth and have no burr and protrusion.
Further, the insulation resistance of the fixed insulation support 8 and the movable insulation support 9 is greater than 1T omega, the withstand voltage is greater than 25kV, the height of the fixed insulation support 8 is 20-35cm, the length of the fixed insulation support is 10cm, the height of the movable insulation support 9 is 1cm lower than that of the fixed insulation support, and the length of the movable insulation support is 10 cm. When the distance between the movable insulating support 9 and the zero point is adjusted, no gap exists between the front end of the movable insulating support and the standard flat plate electrode 6. The vertical moving distance between the movable insulating support 9 and the plane of the standard flat plate electrode 6 is (0-100) cm, the fine adjustment is 0.1mm, and the error is less than +/-1 mm.
Further, the length of the guide rail 7 is 120cm, the width is 10cm, and the height is 5 cm.
Further, the length of the grating sensor 10 is 120cm, and the error is less than ± 0.1 mm.
The whole machine of the utility model has the weight less than 10kg, the length, width and height not more than 120cm multiplied by 40cm multiplied by 80cm and the power supply voltage of 220V. The working principle is as follows: the high-voltage output end 1-1 of the positive and negative voltage output unit 1 is connected with the central point of the standard flat plate electrode 6 on the fixed insulating support 8 of the measuring distance adjusting unit 2, and the grounding end of the tester 4 is connected with the low-voltage output end 1-2 of the positive and negative voltage output unit 1 and is grounded. The single chip microcomputer control system 3 is turned on, and the tester 4 is placed on the top end of the movable insulating support 9 and fixed, and the non-contact voltage sensor of the tester 4 is aligned with the front edge of the top end of the movable insulating support 9. The movable insulating support 9 is adjusted to 0 position, the front end of the movable insulating support 9, a non-contact voltage sensor of the tester 4 and the standard flat plate electrode 6 are not in gap, a test distance is set to be any value of 0-100cm through a 5-inch touch screen, and the motor 11 starts to work to drive the belt to move. When the movable insulating support 9 reaches a set distance, the grating sensor 10 in the test distance adjusting unit 2 feeds back a signal to the single-chip microcomputer control system 3, the single-chip microcomputer control system 3 receives the signal and sends an instruction, the motor 11 stops rotating, and the distance between the movable insulating support 9 and the motor 11 is the test distance. And opening the positive and negative voltage output unit 1, adjusting the voltage knobs 1-3, outputting standard voltage values, reading measured values on a display unit of the tester 4 after stabilization, and the like to calibrate other measured distances and other output voltages.
A non-contact electrostatic voltage tester calibrating device of steerable test distance, its reasonable in design, convenient to use, dull and stereotyped electrode edge effect is little, measured data is stable, the test distance can pass through single chip microcomputer program control, can effectively promote staff's operation accuracy.
Claims (5)
1. The utility model provides a controllable test distance's non-contact electrostatic voltage tester calibrating device, is including positive negative voltage output unit (1), test distance regulating unit (2) and standard flat plate electrode (6), its characterized in that: the high-voltage output end (1-1) of the positive and negative voltage output unit (1) is connected with a standard flat electrode (6), the low-voltage output end (1-2) is grounded, and the standard flat electrode (6) is arranged on the test distance adjusting unit (2); test distance adjusting unit (2) including single chip microcomputer control system (3), fixed insulating support (8), removal insulating support (9), guide rail (7), grating sensor (10) and motor (11), the head end of guide rail (7) is provided with fixed insulating support (8) and motor (11), and its end is provided with single chip microcomputer control system (3), fixed insulating support (8) and the center department fixed connection of standard flat electrode (6), the activity is provided with removal insulating support (9) on guide rail (7), motor (11) are connected with the bottom slider belt that removes insulating support (9), grating sensor (10) set up in the both sides of guide rail (7).
2. The calibration device of claim 1, wherein the calibration device comprises: the standard flat electrode (6) is of a circular structure, the diameter of the standard flat electrode is 30-60cm, the thickness of the standard flat electrode is 2-5cm, the standard flat electrode (6) is made of pure copper, and the surface and the edge of the standard flat electrode are smooth and have no burr and protrusion.
3. The calibration device of claim 1, wherein the calibration device comprises: the insulation resistance of the fixed insulation support (8) and the movable insulation support (9) is larger than 1T omega, the withstand voltage is larger than 25kV, the height of the fixed insulation support (8) is 20-35cm, the length of the fixed insulation support is 10cm, and the height of the movable insulation support (9) is 1cm lower than that of the fixed insulation support and the length of the movable insulation support is 10 cm.
4. The calibration device of claim 1, wherein the calibration device comprises: the length of the guide rail (7) is 120cm, the width is 10cm, and the height is 5 cm.
5. The calibration device of claim 1, wherein the calibration device comprises: the length of the grating sensor (10) is 120 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021021149.5U CN212364558U (en) | 2020-06-06 | 2020-06-06 | Non-contact type electrostatic voltage tester calibrating device capable of controlling test distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021021149.5U CN212364558U (en) | 2020-06-06 | 2020-06-06 | Non-contact type electrostatic voltage tester calibrating device capable of controlling test distance |
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| CN212364558U true CN212364558U (en) | 2021-01-15 |
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| CN202021021149.5U Expired - Fee Related CN212364558U (en) | 2020-06-06 | 2020-06-06 | Non-contact type electrostatic voltage tester calibrating device capable of controlling test distance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219974A (en) * | 2022-09-15 | 2022-10-21 | 快克智能装备股份有限公司 | Automatic-calibration static test system and calibration method and test method thereof |
-
2020
- 2020-06-06 CN CN202021021149.5U patent/CN212364558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219974A (en) * | 2022-09-15 | 2022-10-21 | 快克智能装备股份有限公司 | Automatic-calibration static test system and calibration method and test method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |