CN110927469A - Many-to-one type static elimination method and device - Google Patents
Many-to-one type static elimination method and device Download PDFInfo
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- CN110927469A CN110927469A CN201910990421.6A CN201910990421A CN110927469A CN 110927469 A CN110927469 A CN 110927469A CN 201910990421 A CN201910990421 A CN 201910990421A CN 110927469 A CN110927469 A CN 110927469A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- Elimination Of Static Electricity (AREA)
Abstract
A multi-to-one type static elimination method and a device thereof belong to the static elimination field. The method comprises the following steps of arranging n electrostatic sensors and an electrostatic eliminator on a moving path of a measured object; correspondingly connecting the signal output ends of the n electrostatic sensors with the control signal input end of the electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one of the n electrostatic sensors; and when the detection value of any one static sensor is equal to or higher than the static alarm threshold value, starting the static eliminator on the moving path of the object to be detected to eliminate the whole static of the object to be detected. The device can monitor large-size products more comprehensively, carefully and accurately, does not omit key operation parts, and controls the static voltage of each part on the surface of the product below a safety value. Can be widely used in the field of electrostatic detection and elimination.
Description
Technical Field
The invention belongs to the field of static elimination, and particularly relates to a static elimination method and device for an active static elimination system.
Background
In the production processes of large-size liquid crystal panel production assembly lines or wide-width film roll dividing and rewinding and the like, the products have larger structure sizes, and the static charge quantity generated at each part of the products is different due to the process operation setting and the like, so that the detected static voltage values are different. In order to improve the product quality and prevent electrostatic damage, the whole product needs to be monitored electrostatically.
As shown in fig. 1, in the conventional static electricity eliminating method, a static electricity sensor 2 is generally used to detect a static voltage of an object 1 to be measured, and whether or not to activate a corresponding static electricity eliminator (not shown) is determined according to a value of the detected static voltage or a magnitude of the static electricity amount to perform active static electricity elimination.
Existing electrostatic sensors have only a limited detection range (e.g., detection angle within 15 °) based on their own resolving and detecting capabilities.
In order to carry out comprehensive and accurate static monitoring on large-size products, the products need to be detected or monitored in a line mode or even in a surface mode, but the existing technical scheme of static detection and static elimination cannot meet the requirement of detecting or monitoring the line or the surface of the products on a field production line.
Disclosure of Invention
The invention aims to provide a multi-to-one type static elimination method and a device. A plurality of electrostatic sensors are distributed and arranged at each operation point position and necessary positions, and the plurality of electrostatic sensors and the electrostatic eliminator are connected into a whole, so that comprehensive and accurate electrostatic monitoring and active electrostatic elimination of large-size products are realized.
The technical scheme of the invention is as follows: the method comprises the steps that a static sensor is arranged to detect static electricity of a detected object, and when a detected value is higher than a static alarm threshold value, a static eliminator is started to eliminate the static electricity of the detected object; the method is characterized in that:
1) arranging n electrostatic sensors on a moving path of a measured object, and simultaneously detecting electrostatic voltage values of the measured object in the width direction or the length direction;
2) arranging a static eliminator on a moving path of an object to be detected;
3) correspondingly connecting the signal output ends of the n electrostatic sensors with the control signal input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one of the n electrostatic sensors;
4) setting a static alarm threshold value, and starting the static eliminator when the detection value of the static sensor is equal to or higher than the static alarm threshold value;
5) after the static eliminator is started, the whole static elimination is carried out on the object to be detected on the moving path of the object to be detected.
Specifically, the n electrostatic sensors are arranged in a row and transversely arranged on a moving path of the object to be measured.
The static eliminator is transversely arranged on the moving path of the object to be detected.
The size of the static eliminator eliminating range is larger than or equal to the size of the object to be detected in the width direction.
The n electrostatic sensors and the electrostatic eliminator are in a logical OR electrical control logical relationship.
The static electricity eliminating method of the technical scheme of the invention performs line-type or plane-type static electricity detection/monitoring and active static electricity elimination on a large-size measured object product on the moving path of the measured object.
Meanwhile, the invention also provides a 'many-to-one' type static electricity eliminating device, which comprises a static electricity sensor and a static electricity eliminator related to the static electricity sensor, and is characterized in that:
arranging a plurality of electrostatic sensors on a moving path of a measured object, and detecting electrostatic voltage values of the measured object in the width direction or the length direction at the same time;
the output ends of a plurality of electrostatic sensors are correspondingly connected with the control input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one electrostatic sensor;
after the static eliminator is started, static elimination is carried out on the object to be detected on the moving path of the object to be detected;
the static electricity eliminating device carries out line type or surface type static electricity monitoring and active static electricity eliminating on a large-size measured object product on a moving path of the measured object.
Specifically, the plurality of electrostatic sensors are arranged in a row and transversely arranged on a moving path of an object to be measured; the static eliminator is transversely arranged on the moving path of the object to be detected.
And the signal output ends of the plurality of electrostatic sensors are correspondingly connected with the control signal input end of the electrostatic eliminator.
The size of the static eliminator eliminating range is larger than or equal to the size of the object to be detected in the width direction.
The static electricity eliminating device of the technical scheme of the invention performs line-type or plane-type static electricity detection/monitoring and active static electricity elimination on a large-size measured object product on the moving path of the measured object.
Compared with the prior art, the invention has the advantages that:
the technical scheme that a plurality of electrostatic sensors are connected with one electrostatic eliminator into a whole is adopted, and the logical OR electric control logical relation is adopted between the plurality of electrostatic sensors and the electrostatic eliminator, so that large-size products can be monitored more comprehensively, finely and accurately, key operation parts cannot be omitted, and the electrostatic voltage of each part on the surfaces of the products is controlled below a safety value.
Drawings
FIG. 1 is a schematic illustration of the detection range of a single electrostatic sensor;
FIG. 2 is a block diagram of a "many-to-one" type static elimination method of the present invention;
FIG. 3 is a schematic view of the system structure of the static elimination apparatus of the present invention.
In the figure, 1 is an object to be measured, 2 is an electrostatic sensor, 2-1 to 2-n are n electrostatic sensors, 3 is a detection range of a single electrostatic sensor, 4 is an electrostatic eliminator, and 5 is a moving direction of a large-sized product.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In fig. 2, the technical solution of the present invention provides a "many-to-one" type static electricity eliminating method, which is characterized in that:
1) arranging n electrostatic sensors on a moving path of a measured object, and simultaneously detecting electrostatic voltage values of the measured object in the width direction or the length direction;
2) arranging a static eliminator on a moving path of an object to be detected;
3) correspondingly connecting the signal output ends of the n electrostatic sensors with the control signal input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one of the n electrostatic sensors;
4) setting a static alarm threshold value, and starting the static eliminator when the detection value of the static sensor is equal to or higher than the static alarm threshold value;
5) after the static eliminator is started, the whole static elimination is carried out on the object to be detected on the moving path of the object to be detected.
The specific numerical value of the electrostatic alarm threshold value in the technical scheme of the invention can be determined according to detected objects of different materials, and can also be determined by using units according to the electrostatic elimination requirements of products.
Specifically, as shown in fig. 3, n electrostatic sensors are arranged in a row, and are arranged laterally on the moving path of the object to be measured.
The static eliminator 4 is transversely arranged on a moving path 5 of an object to be detected.
The size of the static eliminator eliminating range is larger than or equal to the size of the object to be detected in the width direction.
The n electrostatic sensors and the electrostatic eliminator are in a logical OR electrical control logical relationship.
Wherein n is a natural number greater than 1.
Obviously, the static eliminator in the technical scheme can be an ion bar, an ion fan, an ion wind snake or other active static eliminator with similar functions.
The static electricity eliminating method of the technical scheme of the invention performs line-type or plane-type static electricity detection/monitoring and active static electricity elimination on a large-size measured object product on the moving path of the measured object.
Meanwhile, as shown in fig. 3, the present invention also provides a "many-to-one" type static eliminator device, which includes a static sensor 2 and a static eliminator 4 associated therewith, and its inventive point lies in that:
a plurality of electrostatic sensors (2-1 to 2-n) are arranged in the moving direction 5 of the object to be measured 1, and are used for simultaneously detecting the electrostatic voltage value of the object to be measured in the width direction or the length direction;
the output ends of a plurality of electrostatic sensors are correspondingly connected with the control input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one electrostatic sensor;
after the static eliminator is started, static elimination is carried out on the object to be detected on the moving path of the object to be detected;
the static electricity eliminating device carries out line type or surface type static electricity monitoring and active static electricity eliminating on a large-size measured object product on a moving path of the measured object.
Specifically, the plurality of electrostatic sensors are arranged in a row and transversely arranged on a moving path of an object to be measured; the static eliminator is transversely arranged on the moving path of the object to be detected.
And the signal output ends of the plurality of electrostatic sensors are correspondingly connected with the control signal input end of the electrostatic eliminator.
The size of the static eliminator static eliminating range is larger than or equal to the width direction size L of the object to be detected.
Because the invention adopts a 'many-to-one' type electric control logic mode, a plurality of electrostatic detectors are arranged on the moving path of the measured object, and the 'line' type or 'surface' type electrostatic detection/monitoring and active type electrostatic elimination are carried out on the large-size measured object product. The large-size product can be monitored more comprehensively, meticulously and accurately, key operation parts cannot be omitted, and the static voltage of each part on the surface of the product is controlled below a safety value.
The invention can be widely applied to the field of static detection and elimination.
Claims (10)
1. A 'many-to-one' type static elimination method comprises the steps that a static sensor is arranged to carry out static detection on a detected object, and when a detection value is higher than a static alarm threshold value, a static eliminator is started to carry out static elimination on the detected object; the method is characterized in that:
1) arranging n electrostatic sensors on a moving path of a measured object, and simultaneously detecting electrostatic voltage values of the measured object in the width direction or the length direction;
2) arranging a static eliminator on a moving path of an object to be detected;
3) correspondingly connecting the signal output ends of the n electrostatic sensors with the control signal input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one of the n electrostatic sensors;
4) setting a static alarm threshold value, and starting the static eliminator when the detection value of the static sensor is equal to or higher than the static alarm threshold value;
5) after the static eliminator is started, the whole static elimination is carried out on the object to be detected on the moving path of the object to be detected.
2. The method of claim 1, wherein the n electrostatic sensors are arranged in a row and are disposed transversely to the moving path of the object to be measured.
3. The "many-to-one" type static eliminating method according to claim 1, wherein said static eliminator is disposed transversely on a moving path of the object to be measured.
4. The "many-to-one" type static electricity eliminating method according to claim 1, wherein the size of the static electricity eliminating range of said static electricity eliminator is larger than or equal to the width direction size of the object to be measured.
5. The method of claim 1, wherein the n electrostatic sensors are in a logical or-type electrical control logical relationship with the electrostatic eliminator.
6. The method of claim 1, wherein the static electricity elimination method is used for performing static electricity detection/monitoring and active static electricity elimination on a large-sized object product to be measured in a linear or planar manner on a moving path of the object to be measured.
7. A kind of "many-to-one" type static eliminator, including static sensor and static eliminator correlated to it, its characteristic is:
arranging a plurality of electrostatic sensors on a moving path of a measured object, and detecting electrostatic voltage values of the measured object in the width direction or the length direction at the same time;
the output ends of a plurality of electrostatic sensors are correspondingly connected with the control input end of one electrostatic eliminator, so that the electrostatic elimination function of the electrostatic eliminator can be started by the output signal of any one electrostatic sensor;
after the static eliminator is started, static elimination is carried out on the object to be detected on the moving path of the object to be detected;
the static electricity eliminating device carries out line type or surface type static electricity monitoring and active static electricity eliminating on a large-size measured object product on a moving path of the measured object.
8. The "many-to-one" type static eliminating device according to claim 7, wherein said plurality of static sensors are arranged in a row and are transversely arranged on a moving path of the object to be measured;
the static eliminator is transversely arranged on a moving path of the object to be detected;
and the signal output ends of the plurality of electrostatic sensors are correspondingly connected with the control signal input end of the electrostatic eliminator.
9. The "many-to-one" type static eliminator according to claim 7, wherein the size of the static eliminator eliminating range is larger than or equal to the width direction size of the object to be measured.
10. The device according to claim 7, wherein the static electricity eliminating means performs static electricity detection/monitoring and active static electricity elimination in a line or plane manner on a large-sized object to be measured on a moving path of the object to be measured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910990421.6A CN110927469A (en) | 2019-10-17 | 2019-10-17 | Many-to-one type static elimination method and device |
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| CN201910990421.6A CN110927469A (en) | 2019-10-17 | 2019-10-17 | Many-to-one type static elimination method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786309A (en) * | 2020-05-25 | 2020-10-16 | 湖南大学 | X-ray-based method and device for quickly dissipating surface charges of insulator |
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| CN205139366U (en) * | 2015-10-22 | 2016-04-06 | 北京辰安测控科技有限公司 | Material flows detection device |
| CN106332431A (en) * | 2015-06-30 | 2017-01-11 | 倚晶科技有限公司 | Static electricity eliminating device |
| CN109974397A (en) * | 2018-08-24 | 2019-07-05 | 北京化工大学 | A kind of multi-purpose intelligent adjusts pneumatic conveying drying and electrostatic detection is eliminated and examines process units |
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2019
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| CN201332537Y (en) * | 2008-12-23 | 2009-10-21 | 深圳市大族激光科技股份有限公司 | Electrostatic eliminating device for PP plate cutting equipment |
| CN202710683U (en) * | 2012-07-26 | 2013-01-30 | 北京京东方光电科技有限公司 | Static electricity testing device |
| CN103336214A (en) * | 2013-07-10 | 2013-10-02 | 深圳市华星光电技术有限公司 | Monitoring device and monitoring method of electrostatic eliminator |
| CN106332431A (en) * | 2015-06-30 | 2017-01-11 | 倚晶科技有限公司 | Static electricity eliminating device |
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