CN1769915A - Portable static charge collector - Google Patents
Portable static charge collector Download PDFInfo
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- CN1769915A CN1769915A CN 200510094765 CN200510094765A CN1769915A CN 1769915 A CN1769915 A CN 1769915A CN 200510094765 CN200510094765 CN 200510094765 CN 200510094765 A CN200510094765 A CN 200510094765A CN 1769915 A CN1769915 A CN 1769915A
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- static charge
- portable
- metal
- inner core
- charge collector
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- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a portable static charge collector which comprises metal inner tubular that positioned in the outer metal tubular insulated; on the outer wall of the outer tubular being fixed a potable handle; the metal inner tubular is connected with static charge display device. On the entry of the metal outer tubular being positioned metal shading ring which is adjacent to the inner metal tubular via insulating ring. On the metal outer tubular being covered a static electricity eliminating sleeve. The inventive static charge collector has the advantages of being rapid and accurate.
Description
Affiliated technical field
The present invention relates to a kind of powder electrostatic pick-up unit that is applied to petrochemical industry, specifically a kind of packaged type powder electrostatic electric charge collector.
Background technology
In the powder material processing procedure of petroleum chemical industry, as all producing a large amount of static charges in the operations such as wind feeding storehouse, reactor feed, blanking packing, and the material of these static electrification lotuses very easily brings out the burning and the blast of powder material, even leads to major accidents such as fatal crass.
For the static charge dangerous situation to powder material in process equipment and the operating process detects and assesses, in time take proper prophylactic methods, traditional mode is as best one can near tested material, to obtain relevant static charge data with electrostatic voltmeter or static field intensity meter.But because voltage or electric field are the functions of position, the data that record on diverse location or different directions are also inconsistent, thereby can't accurately detect the electrostatic charge quantity of tested powder, can not know dangerous position or the charged parameter that is of universal significance, bring uncertain factor for the monitoring and the assessment of static charge, directly affect effective control of static assessment of risks and static.
Chinese invention patent (ZL03221786.2) discloses a kind of powder electrostatic monitor.It is one section monitor housing of serial connection on the powder conveying pipeline, and a constant volume electric charge chamber is set in the monitor housing, and the electric charge Displaying Meter is electrically connected mutually with constant volume electric charge chamber, thereby carries the carried charge of powder in the display pipes.Though this electrostatic monitor has been realized the direct monitoring of powder electrostatic lotus, it is mounted in the fixed equipment on the pipeline, only can monitor the powder in the particular device, can not carry out with machine testing in different operating place and equipment.
Summary of the invention
In order to solve the prior art above shortcomings, technical matters to be solved by this invention provides a kind of portable static charge collector, it can not only directly detect the static charge of powder, and has good maneuverability, and the static charge that can be applied to multiple occasion detects.
Another technical matters to be solved by this invention provides a kind of discharge energy that can effectively suppress between collector and the quilt collection material, guarantees the electrostatic safety in the testing process.
The present invention solves the technical scheme that its technical matters takes, and a kind of portable static charge collector comprises the metal inner core, places in the metal outer cylinder to described metal inner core insulation, is fixedly connected with portable handle on this metal outer cylinder outer wall; Described metal inner core is electrically connected mutually with the static charge display instrument.
After adopting said structure, owing to place in the metal outer cylinder to the insulation of metal inner core, both have constituted the Faraday cylinder of a mensuration static charge, and the metal inner core of this Faraday cylinder is electrically connected mutually with the Displaying Meter of measurement of electrostatic lotus, after the collection of metal inner core is loaded with charged tested powder, can directly detect the electrostatic charge quantity of powder material.After the tested material quality that weighs up the metal inner core, can obtain the quantity of electric charge (μ C/kg) of tested material unit mass.Owing on the metal outer cylinder outer wall, be fixedly connected with detachable tube coupling, easy to carry, use maneuverability, can satisfy powder material warehouse, the detection of several work place powder electrostatics such as the container that feeds intake, vibratory screening apparatus, blanking packing.
A preferred embodiment of the present invention is to be provided with the metallic shield ring in the nozzle position of described metal outer cylinder, and this metallic shield ring is adjacent with the metal inner core by dead ring.This metallic shield ring has been blocked the influence of the outer static charge of tube to electric charge in the bucket effectively, has guaranteed to detect the accurate of data.
The another preferred implementation of the present invention is to be socketed with electrostatic current suppressing sleeve outside the cylindrical shell of described metal outer cylinder.This structure has improved the current-limiting resistance value of static discharge, make collector when gathering material, the discharge energy that can suppress metal outer cylinder and storeroom effectively, the discharge energy inhibiting rate is up to 98%-99%, the generation of the static discharge accident when having avoided material to gather has reliably improved the security that material is gathered.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of a kind of embodiment of portable static charge collector of the present invention;
Fig. 2 is the structural representation of portable handle in the structure shown in Figure 1;
Fig. 3 is the circuit theory signal cabinet figure of a kind of Displaying Meter of portable static charge collector of the present invention.
Among the figure, 1-electrostatic current suppressing sleeve, 2-metal outer cylinder, 3-dead ring, 4-metallic shield ring, the 5-electrode bolts, 6-metal inner core, 7-insulating cell, 8-bolt insulation sleeve, 9-handle crossover sub, the 10-transmission cable, 11-cable splice, the portable handle of 12-, 12-1-handle joint, 12-2-handle body.
Embodiment
Portable static charge collector shown in Figure 1, between the metal outer cylinder 2 of cup type and metal inner core 6, be filled with insulating cell 7, insulating cell 7 makes 6 insulation of metal inner core place in the metal outer cylinder 2 with being separated by, and this metal outer cylinder 2 has been formed Faraday cylinder with metal inner core 6.On metal inner core 6, be connected with electrode bolts 5, electrode bolts 5 connects to the static charge display instrument by cable splice 11 and transmission cable 10, this cable splice 11 adopts general BNC connector, in order to guarantee to detect the accuracy of data, in cable splice or the inspissated wax filling of gap at joint place, cable splice 11, transmission cable 10 insulation are placed in the portable handle 12 hermetically.
Nozzle position at metal outer cylinder 2 is provided with metallic shield ring 4, and this metallic shield ring 4 is adjacent with the nozzle of metal inner core 6.Outer tube wall at metal outer cylinder 2 directly has handle crossover sub 9 by coupling bolt is fixing, and handle crossover sub 9 is the coupling bend structure.As shown in Figure 2, in order to adapt to different use occasions, portable handle 12 is made up of handle joint 12-1 and handle body 12-2, and handle body 12-2 is a hollow metal tube, handle joint 12-1 fills in regularly in the two ends of handle body 12-2, thereby realizes interconnecting of more piece short tube.
Be socketed with electrostatic current suppressing sleeve 1 in that the tube of metal outer cylinder 2 is outer, this electrostatic current suppressing sleeve 2 adopts electrostatic subconductor materials, and as materials such as the polyurethane of interpolation antistatic agent or conductive carbon powder, ultra-high molecular weight polyethylene, its sheet resistance value is chosen in 10
6Ω-10
9Between the Ω.
In circuit shown in Figure 3, an end of the measurement input end of this circuit is electrically connected with transmission cable 10, other end ground connection, and also ground connection of portable handle 12.In this circuit, also comprise devices such as input capacitance C, charge amplifier, power-switching circuit, LEC display and K switch 1, K2.
When this portable electrostatic collector is gathered material, charged material is adopted to metal inner core 6, because electrostatic induction just can produce the equivalent electric charge with charged material contrary sign in the inboard of metal inner core 6, induce the equivalent electric charge of jack per line in the outside, inboard at metal outer cylinder produces the equivalent heterocharge, and the outside of metal outer cylinder causes outside charge loss owing to ground connection, thereby forms potential difference (PD) U on the metal cylinder of inside and outside portion.On the other hand, there are natural capacity C in 2 of metal inner core 6 and metal outer cylinders, record the electrically charged amount of material (μ C) in the metal inner core 6 by Q=CU.Weigh the mass M (kg) of the material of gathering, can record the quantity of electric charge (specific charge) the μ C/kg of material unit mass easily.Thereby can know the static electrification situation of being adopted powder material accurately, easily, assess or take proper prophylactic methods accurately so that in time make.
Claims (8)
1, a kind of portable static charge collector comprises metal inner core (6), it is characterized in that: place in the metal outer cylinder (2) to described metal inner core (6) insulation, be fixedly connected with portable handle (12) on this metal outer cylinder (2) outer wall; Described metal inner core (6) is electrically connected mutually with the static charge display instrument.
2, portable static charge collector according to claim 1 is characterized in that: be provided with metallic shield ring (4) in the nozzle position of described metal outer cylinder (2), this metallic shield ring (4) is adjacent with metal inner core (6) by dead ring (3).
3, portable static charge collector according to claim 1 is characterized in that: metal inner core (6) is electrically connected with the static charge display instrument by transmission cable (10), places in the portable handle (12) to this transmission cable (10) insulation.
4, portable static charge collector according to claim 1 is characterized in that: be filled with insulating cell (7) between described metal inner core (6) and metal outer cylinder (2).
5, portable static charge collector according to claim 1 is characterized in that: be socketed with electrostatic current suppressing sleeve (1) outside the cylindrical shell of described metal outer cylinder (2).
6, portable static charge collector according to claim 5 is characterized in that: described electrostatic current suppressing sleeve (1) adopts the electrostatic subconductor material.
7, according to claim 5 or 6 described portable static charge collectors, it is characterized in that: the bleeder resistor of described electrostatic current suppressing sleeve (1) is 10
6Ω-10
9Ω.
8, portable static charge collector according to claim 1 is characterized in that: the version that described portable handle (12) adopts the more piece short tube to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094765 CN1769915A (en) | 2005-10-13 | 2005-10-13 | Portable static charge collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094765 CN1769915A (en) | 2005-10-13 | 2005-10-13 | Portable static charge collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1769915A true CN1769915A (en) | 2006-05-10 |
Family
ID=36751331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510094765 Pending CN1769915A (en) | 2005-10-13 | 2005-10-13 | Portable static charge collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1769915A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721877A (en) * | 2012-06-21 | 2012-10-10 | 中国工程物理研究院化工材料研究所 | Electrostatic detection sensor |
| CN103969515A (en) * | 2014-04-11 | 2014-08-06 | 中国石油化工股份有限公司 | Portable oil product charge density measuring method |
| CN105277804A (en) * | 2015-11-28 | 2016-01-27 | 沈阳华兴防爆器材有限公司 | Transmission pipeline internal static on-line detecting apparatus |
| CN108322980A (en) * | 2018-01-18 | 2018-07-24 | 北京普惠实华科技有限公司 | A kind of full-automatic electrostatic elimination system |
| CN108957156A (en) * | 2018-05-18 | 2018-12-07 | 北京普惠实华科技有限公司 | A kind of powder electrostatic continuous monitor |
-
2005
- 2005-10-13 CN CN 200510094765 patent/CN1769915A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721877A (en) * | 2012-06-21 | 2012-10-10 | 中国工程物理研究院化工材料研究所 | Electrostatic detection sensor |
| CN103969515A (en) * | 2014-04-11 | 2014-08-06 | 中国石油化工股份有限公司 | Portable oil product charge density measuring method |
| CN103969515B (en) * | 2014-04-11 | 2017-06-13 | 中国石油化工股份有限公司青岛安全工程研究院 | Portable oil product determining charge density method |
| CN105277804A (en) * | 2015-11-28 | 2016-01-27 | 沈阳华兴防爆器材有限公司 | Transmission pipeline internal static on-line detecting apparatus |
| CN105277804B (en) * | 2015-11-28 | 2019-01-22 | 沈阳华兴防爆器材有限公司 | A kind of conveyance conduit internal electrostatic on-line measuring device |
| CN108322980A (en) * | 2018-01-18 | 2018-07-24 | 北京普惠实华科技有限公司 | A kind of full-automatic electrostatic elimination system |
| CN108957156A (en) * | 2018-05-18 | 2018-12-07 | 北京普惠实华科技有限公司 | A kind of powder electrostatic continuous monitor |
| CN108957156B (en) * | 2018-05-18 | 2020-08-25 | 北京普惠实华科技有限公司 | Powder static continuous monitor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |