CN209946370U - Non-contact static voltmeter calibrating device - Google Patents
Non-contact static voltmeter calibrating device Download PDFInfo
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- CN209946370U CN209946370U CN201920072300.9U CN201920072300U CN209946370U CN 209946370 U CN209946370 U CN 209946370U CN 201920072300 U CN201920072300 U CN 201920072300U CN 209946370 U CN209946370 U CN 209946370U
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Abstract
The utility model relates to a non-contact static voltmeter calibrating device, including the plate electrode, the insulating seat, vertical fixed plate, the guide pillar, the guide pin bushing, moving platform, the swivel nut, the screw rod, remove the seat, it is equipped with the scale mark to remove the seat side, it is equipped with the voltmeter fixed plate to remove seat top front end, the removal seat of voltmeter fixed plate rear side is equipped with the lift post, the lift post is equipped with the depression bar, the depression bar is equipped with the carriage release lever, lift capital portion is equipped with the limiting plate, lift capital sleeve has pressure spring, pressure spring bottom supports only the carriage release lever top, pressure spring top supports only limiting plate bottom, the plate electrode front side is equipped with circular connection piece, the connector, connecting wire. The utility model discloses a guide pillar and guide pin bushing cooperation realize the horizontal migration of calibration platform, promote the calibration accuracy, depression bar and lift post cooperation realize the holding down force of depression bar through compression spring, simple structure, and clamping electrostatic voltmeter is more convenient, and it is more convenient to use, and circular connection piece and connector promote the reliability of electricity connection, prevent to produce electric arc.
Description
Technical Field
The utility model relates to a, in particular to non-contact static voltmeter calibrating device.
Background
Electrostatic voltmeters are widely used in electrostatic protection measurements and electrostatic research, both contact and non-contact types. Among them, a non-contact type electrostatic voltmeter is a commonly used one. Under the condition of not contacting with the measured surface, the voltage and electric field value of the surface are measured by utilizing the electric field induction principle or other principles. The voltage is referenced to infinity or ground. The measurement result shows an electric Field [ volt/Meter ], and is called as an electrostatic Field Meter (Static Field Meter); the measurement result is displayed as a voltage [ volt ], and the meter is called a non-contact electrostatic voltmeter, and the meter also needs to measure or set the distance from the probe to the measured surface, and the length of the distance is called a measurement distance.
Whether the measurement values of the non-contact electrostatic voltmeter and the electrostatic electric field meter are accurate and reliable needs to be traced by using a calibration device. The electrostatic voltage can be traced to the dc high voltage standard. The general calibration device adopts a standard electrostatic field method, i.e. an equipotential plane is formed by a metal flat plate, a direct-current high-voltage source is connected to maintain stable potential, and an electric field close to the center of the metal flat plate is similar to a parallel electric field and can be used as a standard electrostatic field. The reading of the calibrated instrument in the standard electrostatic field at the set distance can be compared with the output voltage value of the direct-current high-voltage source, so that the aim of calibration is fulfilled.
The existing calibrating device has a complex structure and high cost, and the calibrating device cannot horizontally move the calibrating platform.
Disclosure of Invention
To the not enough of prior art, the utility model aims at providing a non-contact static voltmeter calibrating device.
The utility model provides a technical scheme that its technical problem adopted is: a non-contact static voltmeter calibrating device comprises a vertical electrode plate, an insulating seat arranged at the bottom of the electrode plate and a static voltmeter adjusting mechanism arranged at the rear side of the electrode plate, wherein the static voltmeter adjusting mechanism comprises vertical fixing plates which are vertically and bilaterally symmetrically arranged, a guide pillar horizontally arranged between the vertical fixing plates, a guide sleeve arranged on the guide pillar, a moving platform arranged on the guide sleeve, a screw sleeve arranged at the top of the moving platform and a screw rod matched with the screw sleeve, the screw rod horizontally extends forwards and backwards, a moving seat is rotatably connected onto the screw rod, the tail end of the screw rod is rotatably connected with an adjusting hand wheel, scale marks which are distributed forwards and backwards are arranged on the side surface of the moving seat, the voltmeter fixing plate is arranged at the front end of the top surface of the moving seat, a vertical lifting pillar is arranged on the moving seat at the rear side of the voltmeter, the lifting column is provided with an edge, the lifting column is lifted by the aid of the pressure rod, the pressure rod extends forwards, the pressure rod is provided with an edge, the movable rod moves back and forth along the pressure rod, a limiting plate is arranged at the top of the lifting column, the lifting column is sleeved with a compression spring, the bottom of the compression spring is abutted against the top of the movable rod, the top of the compression spring is abutted against the bottom of the limiting plate, and the front side of the electrode plate is provided with a circular connecting sheet, a connecting head arranged on the front side of the circular connecting sheet and a connecting wire electrically connected with the.
The horizontal migration who realizes the calibration platform through guide pillar and guide pin bushing cooperation in the above-mentioned design promotes calibration accuracy, depression bar and lift post cooperation, realizes the holding down force of depression bar through pressure spring, simple structure, and clamping electrostatic voltmeter is more convenient, and it is more convenient to use, and circular connection piece and connector promote the reliability of electricity connection, prevent to produce electric arc.
As a further improvement of the design, the connecting lead is a spiral lead, so that the connecting lead is convenient to store and prevented from being wound in an arc shape.
As a further improvement of the design, the front end of the top of the movable seat is provided with a spherical head, the bottom of the voltmeter fixing plate is provided with a spherical pit matched with the spherical head, a damping shell is arranged in the spherical pit, the top surface of the voltmeter fixing plate is covered with a silica gel layer, and a vertical limiting rod is inserted into the movable seat on the front side of the voltmeter fixing plate. The angle of heeling of voltmeter fixed plate can be adjusted to spherical head and damping shell, and it is just right to be convenient for with the detection head of static voltmeter the electrode plate promotes the calibration accuracy.
As a further improvement of the design, the guide sleeve is provided with a locking screw, one end of the locking screw abuts against the guide pillar, and the stability of the mobile platform after adjustment is improved.
As a further improvement of the design, lifting bottom feet are arranged at the bottom of the insulating base and the bottom of the vertical fixing plate, so that the posture of the calibrating device can be conveniently adjusted.
The utility model has the advantages that: the utility model discloses a guide pillar and guide pin bushing cooperation realize the horizontal migration of calibration platform, promote the calibration accuracy, depression bar and lift post cooperation realize the holding down force of depression bar through compression spring, simple structure, and clamping electrostatic voltmeter is more convenient, and it is more convenient to use, and circular connection piece and connector promote the reliability of electricity connection, prevent to produce electric arc.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an overall sectional view of the present invention.
Fig. 2 is a schematic view of the connection between the fixing plate and the movable seat of the voltmeter according to the present invention.
In the figure, 1, a vertical fixing plate, 2, a locking screw, 3, a guide sleeve, 4, a lifting foot, 5, an adjusting hand wheel, 6, a moving seat, 7, a scale mark, 8, a screw sleeve, 9, a screw rod, 10, a lifting column, 11, a compression spring, 12, a limiting plate, 13, a compression bar, 14, a moving rod, 15, a limiting rod, 16, an electrode plate, 17, a connector, 18, a circular connecting sheet, 19, a connecting lead, 20, an insulating seat, 21, a voltmeter fixing plate, 22, a silica gel layer, 23, a guide column, 24, a moving platform, 6, 25, a spherical head, 26, a damping shell and 27, a spherical pit are arranged.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.
Example (b): a non-contact static voltmeter calibrating device comprises a vertical electrode plate 16, an insulating base 20 arranged at the bottom of the electrode plate 16 and a static voltmeter adjusting mechanism arranged at the rear side of the electrode plate 16, wherein the static voltmeter adjusting mechanism comprises vertical fixing plates 1 which are vertically and bilaterally symmetrically arranged, guide posts 23 horizontally arranged between the vertical fixing plates 1, guide sleeves 3 arranged on the guide posts 23, a moving platform 24 arranged on the guide sleeves 3, screw sleeves 8 arranged at the tops of the moving platforms 24 and screw rods 9 matched with the screw sleeves 8, the screw rods 9 horizontally extend forwards and backwards, a moving base 6 is rotatably connected onto the screw rods 9, an adjusting hand wheel 5 is rotatably connected onto the tail end of each screw rod 9, scale marks 7 which are distributed forwards and backwards are arranged on the side surface of the moving base 6, and a voltmeter fixing plate 21 is arranged at the front end of the top surface of the moving base 6, be equipped with vertical lift post 10 on the removal seat 6 of voltmeter fixed plate 21 rear side, be equipped with the edge on the lift post 10 the depression bar 13 that lift post 10 goes up and down, depression bar 13 extends forward, be equipped with the edge on depression bar 13 the carriage release lever 14 of depression bar 13 back-and-forth movement, lift post 10 top is equipped with limiting plate 12, the cover has pressure spring 11 on the lift post 10, pressure spring 11 bottom is supported and is ended 14 tops of carriage release lever, pressure spring 11 top is supported and is ended limiting plate 12 bottom, electrode plate 16 front side is equipped with circular connection piece 18, set up in the connector 17 of circular connection piece front side, with connecting wire 19 that connector 17 electricity is connected.
The horizontal migration that realizes calibration platform through guide pillar 23 and guide pin bushing 3 cooperation in the above-mentioned design promotes calibration accuracy, and depression bar 13 and lift post 10 cooperation realize depression bar 13's overdraft through pressure spring 11, simple structure, and the clamping static voltmeter is more convenient, and it is more convenient to use, and circular connection piece 18 and connector 17 promote the reliability of electricity connection, prevent to produce electric arc.
As a further improvement of this design, the connecting wire 19 is a spiral wire, which is convenient to store and prevents the connecting wire 19 from being wound in an arc shape.
As a further improvement of the design, the front end of the top of the movable seat 6 is provided with a spherical head 25, the bottom of the voltmeter fixing plate 21 is provided with a spherical pit 27 matched with the spherical head 25, a damping shell 26 is arranged in the spherical pit 27, the top surface of the voltmeter fixing plate 21 is covered with a silica gel layer 22, and the movable seat 6 at the front side of the voltmeter fixing plate 21 is inserted with a vertical limiting rod 15. Spherical head 25 and damping shell 26 can adjust the angle of heeling on of voltmeter fixed plate 21, are convenient for just to the detection head of static voltmeter electrode 16 promotes the calibration accuracy.
As a further improvement of the design, a locking screw 2 is arranged on the guide sleeve 3, one end of the locking screw 2 abuts against the guide pillar 23, and the adjusted stability of the mobile platform 24 is improved.
As a further improvement of the design, the bottom of the insulating base 20 and the bottom of the vertical fixing plate 1 are provided with lifting feet 4, so that the posture of the calibration device can be conveniently adjusted.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. A non-contact static voltmeter calibrating device is characterized by comprising a vertical electrode plate, an insulating seat arranged at the bottom of the electrode plate, and a static voltmeter adjusting mechanism arranged at the rear side of the electrode plate, wherein the static voltmeter adjusting mechanism comprises vertical fixed plates which are vertically and bilaterally symmetrically arranged, a guide pillar horizontally arranged between the vertical fixed plates, a guide sleeve arranged on the guide pillar, a moving platform arranged on the guide sleeve, a screw sleeve arranged at the top of the moving platform, and a screw rod matched with the screw sleeve, the screw rod horizontally extends forwards and backwards, a moving seat is rotatably connected onto the screw rod, the tail end of the screw rod is rotatably connected with an adjusting hand wheel, scale marks which are distributed forwards and backwards are arranged on the side surface of the moving seat, a voltmeter fixed plate is arranged at the front end of the top surface of the moving seat, and a vertical lifting column is arranged on the moving seat at the rear side of, the lifting column is provided with an edge, the lifting column is lifted by the aid of the pressure rod, the pressure rod extends forwards, the pressure rod is provided with an edge, the movable rod moves back and forth along the pressure rod, a limiting plate is arranged at the top of the lifting column, the lifting column is sleeved with a compression spring, the bottom of the compression spring is abutted against the top of the movable rod, the top of the compression spring is abutted against the bottom of the limiting plate, and the front side of the electrode plate is provided with a circular connecting sheet, a connecting head arranged on the front side of the circular connecting sheet and a connecting wire electrically connected with the.
2. The non-contact electrostatic voltmeter calibration device according to claim 1, wherein the connecting wire is a spiral wire.
3. The non-contact type electrostatic voltmeter calibration device according to claim 1, wherein a spherical head is arranged at the front end of the top of the movable base, a spherical pit matched with the spherical head is arranged at the bottom of the voltmeter fixing plate, a damping shell is arranged in the spherical pit, a silica gel layer covers the top surface of the voltmeter fixing plate, and a vertical limiting rod is inserted into the movable base at the front side of the voltmeter fixing plate.
4. The non-contact electrostatic voltmeter calibrating device according to claim 1, wherein a locking screw is disposed on the guide sleeve, and one end of the locking screw abuts against the guide post.
5. The non-contact type electrostatic voltmeter calibrating device according to claim 1, wherein the bottom of the insulating base and the bottom of the vertical fixing plate are provided with lifting feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072300.9U CN209946370U (en) | 2019-01-16 | 2019-01-16 | Non-contact static voltmeter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072300.9U CN209946370U (en) | 2019-01-16 | 2019-01-16 | Non-contact static voltmeter calibrating device |
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| Publication Number | Publication Date |
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| CN209946370U true CN209946370U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920072300.9U Active CN209946370U (en) | 2019-01-16 | 2019-01-16 | Non-contact static voltmeter calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162346A (en) * | 2021-12-07 | 2022-03-11 | 上海无线电设备研究所 | Scaling aircraft surface deposition static distribution ground verification method |
-
2019
- 2019-01-16 CN CN201920072300.9U patent/CN209946370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162346A (en) * | 2021-12-07 | 2022-03-11 | 上海无线电设备研究所 | Scaling aircraft surface deposition static distribution ground verification method |
| CN114162346B (en) * | 2021-12-07 | 2023-11-14 | 上海无线电设备研究所 | Surface deposition static distribution ground verification method for scaled aircraft |
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