CN109061326A - A kind of dust electrostatic detection tank - Google Patents

A kind of dust electrostatic detection tank Download PDF

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Publication number
CN109061326A
CN109061326A CN201811242750.4A CN201811242750A CN109061326A CN 109061326 A CN109061326 A CN 109061326A CN 201811242750 A CN201811242750 A CN 201811242750A CN 109061326 A CN109061326 A CN 109061326A
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China
Prior art keywords
dust
tank
electrostatic
electrostatic detection
dust electrostatic
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CN201811242750.4A
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Chinese (zh)
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CN109061326B (en
Inventor
丁纪峰
孙炎辉
张俊星
杨亚宁
许小可
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Guangdong Taojia Building Decoration Engineering Co ltd
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Dalian Nationalities University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/12Measuring electrostatic fields or voltage-potential
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/24Arrangements for measuring quantities of charge

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

This divisional application discloses a kind of dust electrostatic detection tank, belong to electrostatic detection field, for solving in experiment, for the electrostatic parameters detected value of dust can it is more practical close to industrial environment the problem of, have technical point that its (4) are cylindrical, two bottom surfaces are horizontally toward to place, and support frame is inserted into inside it by two bottom surfaces of dust electrostatic detection tank (4), the driving groove parallel with bottom surface (9) are provided on the circumference of dust electrostatic detection tank (4), the gear teeth of the driving groove (9) are engaged with gear below, it is internal that gear is located at support base (3), and it is driven and is rotated by the second motor (8), gear drives dust electrostatic detection tank (4) to rotate using support frame as rotary shaft, to allow dust to come into full contact with, more really reduce the environment of industrial dust, the electrostatic parameters of detection more subject to Really.

Description

A kind of dust electrostatic detection tank
The present invention is application number 201611140092.9, applying date 2016-12-12, denomination of invention " experiment dust electrostatic The divisional application of automatic detection device and detection method ".
Technical field
The invention belongs to electrostatic detection field, it is related to a kind of dust electrostatic detection device and method.
Background technique
It is machine very big, that surface molecular is contacted with air that the surface area of millions of minute dusts, which is added together, It can increase, so that the chemical property of surface molecular is especially active.As long as their few heats, seldom air, so that it may Full combustion.Countless dust fierceness burnings, expand the air of surrounding acutely, just as explosive, set off an explosion, destructive power pole Greatly.Since dust has a wide range of application, many kinds of, environment is complicated, very big difficulty is brought to dust explosion prevention work.Wherein exist Dust explosion accident in industrial production be in many cases by dust conveying and storing process in electrostatic and cause.Most Research dust explosion mechanism, the article of prevention and dust electrostatic absorption and patent were also increasing both at home and abroad in recent years.
Detection of the prior art for dust electrostatic, is mostly detected using dust electrostatic detection sensor, however, explosive Dust it is many kinds of, conveying and storage medium are different, and the mutation of the environmental parameters such as temperature and humidity, pressure is variable.Especially in industry In production and experiment R&D process, it some times happens that this gives the prevention of dust electrostatic and detection band the case where a variety of mix dusts Carry out no small difficulty, in experiment, the change of different external environment condition parameters generally requires to detect dust electrostatic, so And in order to simulate in actual industrial environment, dust in experimental situation, in current environment, due to time of contact and area Disunity, often causing experiment detection electrostatic parameters, there are relatively large deviations, are not inconsistent with actual industrial environment, cannot be preferably to reality Border environment electrostatic parameters provide reference.
Summary of the invention
It, can be more practical close to industrial environment for the electrostatic parameters detected value of dust in order to solve in experiment Problem, the invention proposes a kind of experiment dust electrostatic automatic detection devices, it can be made to fill to dust under various circumstances Tap touching, with more close to actual environment, to increase the accuracy of electrostatic parameters detection.
To achieve the goals above, the following technical solutions are proposed by the present invention:
It is a kind of experiment use dust electrostatic automatic detection device, mainly by pedestal, track, support base, dust electrostatic detection tank, Control system composition;Track is laid on pedestal, and support base is moved along track, and the support base, which has, to be used to support and cooperate powder The support frame that dirt electrostatic detection tank is rotated, the dust electrostatic detection tank are horizontally moved and are turned by support base drive Dynamic, the dust electrostatic detection tank has electrostatic detection sensor, the level of the control system control dust electrostatic detection tank Mobile and rotation, and receive the electrostatic parameters of electrostatic detection sensor acquisition.
As the supplement of technical solution, inside the support base, there is first motor, the first motor drives serrated wheel Rotation, the serrated wheel are engaged with saw tooth belt, and serrated wheel is rotated to drive support base to move along saw tooth belt horizontal direction.
As the supplement of technical solution, the dust electrostatic detection tank is cylinder, and two bottom surfaces are horizontally toward to place, And support frame is inserted into inside it by two bottom surfaces of dust electrostatic detection tank, is provided with and bottom on the circumference of dust electrostatic detection tank The parallel driving groove in face, the gear teeth of the driving groove are engaged with gear below, and the gear is located inside support base, and by The rotation of two motor drivens, gear drive dust electrostatic detection tank to rotate using support frame as rotary shaft.
As the supplement of technical solution, the dust electrostatic detects tank, further include dust injection hole, gas vent, explosionproof hole, Microcontroller, conductive trough, in a ring, the center of circle is overlapped conductive trough with the center of circle of tank body bottom surface, and is mounted on tank body side bottom surface, Microcontroller and dust electrostatic detection sensor are mounted on tank interior close to the side of the bottom surface of installation conductive trough;Dust injection Hole, gas vent, explosionproof hole are mounted on the side far from the bottom surface for installing conductive trough on tank body.
As the supplement of technical solution, there is position switch, conductive trough corresponding power anode, monobus number on the track According to line and power cathode, equipped with position, adjustable, fixable two conductive pins and a radical are just corresponded to according to needle for one end of track Positive pole, single bus data line and the power cathode of dust electrostatic detection tank.
As the supplement of technical solution, the control system includes master controller, and master controller one end is connected with computer, is used Carry out bi-directional transfer of data, one end is connected with the controller of control motor, control motor rotation;One end and single bus data transmission line It is connected, institute's single bus data line is connected to the microcontroller in dust electrostatic detection tank, microcontroller and electrostatic detection sensor Connection, for reading electrostatic detection sensor acquisition in dust electrostatic detection tank, and the electrostatic data measured by microcontroller.
The invention further relates to a kind of experiment electrostatic detection methods of dust electrostatic automatic detection device, use above-mentioned powder Dirt electrostatic automatic detection device, detecting step are as follows: dust electrostatic detection tank is fixed on the support frame of support base, and device opens Dynamic, program sends the exercise data and electrostatic detection spacing frequency of two dimensions of each track by bus to master controller, Each support base drives dust electrostatic detection tank under the driving of first motor, does between different location switch along straight line respectively straight Line moves back and forth, and positive and negative rotation is carried out under the driving of the second motor, and dust electrostatic detects tank under the control of master controller Movement after a certain period of time, detects the electrostatic parameters in tank, at this point, first motor control support base is parked in close to the position of master controller It sets at switch, conductive pin and data needle and the conductive trough of dust electrostatic detection tank come into full contact with, and dust electrostatic detects micro- in tank Controller controls the electrostatic parameters in electrostatic detection sensor detection tank, and will test data and be transmitted to by single bus data line Master controller.
The utility model has the advantages that dust electrostatic, which detects tank, has electrostatic detection sensor in the present invention, the control system controls powder Dirt electrostatic detection tank moving horizontally and rotating, and receives the electrostatic parameters of electrostatic detection sensor acquisition.Horizontal and vertical Two dimensions in direction realize moving horizontally and rotating for electrostatic detection tank, to allow dust to come into full contact with, more really The environment of industrial dust is reduced, the electrostatic parameters of detection are more accurate.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural scheme of mechanism of support base of the invention.
Wherein: 1. pedestals, 2. tracks, 3. support bases, 4. dust electrostatics detection tank, 5. control systems, 6. first motors, 7. Saw tooth belt, 8. second motors, 9. driving grooves, 10. position switch, 11. data needles, 12. conductive pins.
Specific embodiment
Embodiment 1: why the dust explosion that dust causes in conveying and storing process due to electrostatic is difficult to prevent, It is primarily due to many kinds of of explosive dust, conveying and storage medium are different.In addition the environmental parameters such as temperature and humidity, pressure are mutated Impermanence, especially in industrial production and experiment R&D process, it some times happens that this is quiet to dust the case where a variety of mix dusts The prevention and detection of electricity bring no small difficulty.
The present embodiment provides a kind of experiment dust electrostatic automatic detection device, which can be used in laboratory, Neng Gougao Efficient to the movement of long-time simulating dust and real-time perfoming under a variety of dust materials, multi storage, various environmental parameters Dust electrostatic detection.
Experiment dust electrostatic automatic detection device detects tank by pedestal 1, track 2, support base 3, motor, dust electrostatic 4, position switch, master controller part etc. form.
Pedestal 1 is to install motor, track 2 and support base 3.
Wherein electrostatic detection tank is quiet by tank body, driving groove 9, dust injection hole, gas vent, explosionproof hole, microcontroller, dust Electro-detection sensor and conductive trough composition.Wherein three conductive troughs are overlapped with the tank body center of circle in a ring is mounted on one on the left of tank body Face is responsible for that data are powered and transmitted to microcontroller;Microcontroller and dust electrostatic detection sensor are mounted on tank interior and lean on The first from left face;Driving groove 9 is located at the outside among tank body, drives tank body to turn by driving driving groove 9 by the motor on support base 3 It is dynamic;Dust injection hole, gas vent, explosionproof hole are mounted on tank body and keep right side, are responsible for injection dust, discharge dust and explosion-proof.
Track 2 is mounted on pedestal 1, which selects three tracks 2, for determining the horizontal movement road of support base 3 Line, 3 bottom of support base are equipped with upper and lower two motors, and it is 6 He of first motor respectively that two motors, which are all fixed on inside support base 3, Second motor 8, the first motor 6 drive serrated wheel rotation, which engages with saw tooth belt 7, and serrated wheel is rotated to drive Support base 3 is moved along 7 horizontal direction of saw tooth belt.Dust electrostatic detection tank 4 is cylinder, and two bottom surfaces are horizontally toward to place, And 3 top of support base is equipped with a pair of of width, there is inwardly protruded support frame in the adjustable and upper end of height, to fixed electrostatic detection tank Relative position, be provided with the driving groove 9 parallel with bottom surface on the circumference of dust electrostatic detection tank 4, the gear teeth of the driving groove 9 with Gear engagement below, the gear is located inside support base 3, and is driven and rotated by the second motor 8, and gear drives dust quiet Electro-detection tank 4 is rotated using support frame as rotary shaft, and electrostatic detection tank is done under the action of the two motors in two dimensions can The movement of control, so that dust sufficiently rubs with tank body.Dust electrostatic detects tank 4 by tank body, driving groove 9, dust injection hole, exhaust Hole, explosionproof hole, microcontroller, electrostatic detection sensor and conductive trough composition;Electrostatic detection tank is to meet different test conditions It can be there are many volume model.
Master controller one end is connected with computer for bi-directional transfer of data by USB;Master controller one end and control six The controller of motor is connected;One end is connected with three single bus data transmission lines, for read microcontroller in tank measure it is quiet Electric data.
By changing various dust electrostatic affecting parameters and record dust electrostatic data, experimenter can obtain different powder Dirt, different storage medium, varying environment parameter and different time points dust electrostatic experimental data, can by analysis experimental data To greatly improve the pre- anti-efficiency of dust electrostatic and dust explosion.Meanwhile the device also have it is at low cost, land occupation less, automation The features such as degree is high, measurement efficiency is high.
Experiment dust electrostatic automatic detection device described in the embodiment, when carrying out electrostatic detection, steps are as follows:
Experimenter selects unlike material, volume 1.5 with air parameter difference by mix dust type difference first Rise, 2.5 liters, (mix dust type is more under normal circumstances, air humidity is small, air for the dust electrostatic detection tanks 4 of 3.5 liters or 5 liters Tend to select volume biggish tank body when temperature is high);The air of quantitative dust to be checked and quantitative epidemic disaster is passed through into powder Dirt injection hole injects dust electrostatic and detects tank 4.3 upper support frame of support base is adjusted according to the volume size that dust electrostatic detects tank 4 Width and height, keep the cylinder at support frame a pair of top inwardly protruded center face dust electrostatic detection 4 both ends of tank recessed Type center, wherein the inwardly protruded cylinder diameter of top of support frame detects 2 milli of concave center of tank 4 slightly larger than dust electrostatic Rice.It is relatively fixed dust electrostatic can be detected into tank 4 by the cylindrical body of the protrusion of top of support frame.Every track 2 is equipped with Three position switch A, B and C, dust electrostatic detection tank 4 do controllable movement in two dimensions under the action of two motors, with Dust is set sufficiently to rub with tank body.Master controller one end is connected with computer for bi-directional transfer of data by USB;Master controller one It holds and is connected with the controller of 6 motors of control;One end is connected with 3 single bus data transmission lines, for reading microcontroller in tank The electrostatic data that device is measured.After the dust electrostatic detection fixation of tank 4 finishes, device starting.Computer program is by usb bus to total Controller sends the exercise data and electrostatic detection spacing frequency of two dimensions of each track 2.Support base 3 clamps dust electrostatic Detect tank 4 under the driving of two motors, done between position switch B and position switch C along X-axis respectively straight line and repeatedly moves and The positive and negative rotation of tank body is done along Y-axis.The tank body of two dimensions moves so that dust and tank body sufficiently rub and generate electrostatic.Total The control lower tank movement of controller after a certain period of time, need to detect the electrostatic parameters in tank.The motor control branch of 3 lower section of support base Support seat 3 is parked at position switch A.One end of dust electrostatic detection tank 4 is equipped with three conductive troughs and respectively corresponds as positive pole, list Bus data line and power cathode.One end of track 2 is designed with adjustable position, fixable two conductive pins 12 and a radical evidence Needle 11 just corresponds to positive pole, single bus data line and the power cathode of dust electrostatic detection tank 4.When support base 3 is parked in position When setting at switch A, conductive pin 12 and data needle 11 and three conductive troughs of dust electrostatic detection tank 4 are come into full contact with, dust electrostatic The microcontroller control electrostatic detection sensor detected in tank 4 detects internal electrostatic parameter, and will test data and pass through monobus Data line is transmitted to master controller.Computer software will record the real-time electrostatic data of each dust electrostatic detection tank 4 in detail, be helped with this Experimenter is helped to analyze a variety of dust in the static characteristic of different condition.
The experiment of the present embodiment can in laboratory environments carry out a variety of dust with dust electrostatic automatic detection device Electrostatic detection, the device have the characteristics that at low cost, high-efficient, strong real-time and high degree of automation.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it It is interior.

Claims (2)

1. a kind of dust electrostatic detects tank, which is characterized in that its (4) are cylinders, and two bottom surfaces are horizontally toward to place, and prop up Support by dust electrostatic detection tank (4) two bottom surfaces be inserted into inside it, dust electrostatic detection tank (4) circumference on be provided with The gear teeth of the parallel driving groove in bottom surface (9), the driving groove (9) are engaged with gear below, and gear is located in support base (3) Portion, and driven and rotated by the second motor (8), gear drives dust electrostatic detection tank (4) to rotate using support frame as rotary shaft.
2. dust electrostatic as described in claim 1 detects tank, which is characterized in that the dust electrostatic detects tank (4), further includes Dust injection hole, gas vent, explosionproof hole, microcontroller, conductive trough, conductive trough in a ring, the center of circle in the center of circle and tank body bottom surface It is overlapped, and is mounted on tank body side bottom surface, microcontroller and dust electrostatic detection sensor are mounted on tank interior close to installation The side of the bottom surface of conductive trough;Dust injection hole, gas vent, explosionproof hole are mounted on the bottom surface far from installation conductive trough on tank body Side.
CN201811242750.4A 2016-12-12 2016-12-12 Dust electrostatic detection jar Active CN109061326B (en)

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Application Number Priority Date Filing Date Title
CN201811242750.4A CN109061326B (en) 2016-12-12 2016-12-12 Dust electrostatic detection jar

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CN201611140092.9A CN106771674B (en) 2016-12-12 2016-12-12 Experiment dust electrostatic automatic detection device and detection method
CN201811242750.4A CN109061326B (en) 2016-12-12 2016-12-12 Dust electrostatic detection jar

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CN201611140092.9A Active CN106771674B (en) 2016-12-12 2016-12-12 Experiment dust electrostatic automatic detection device and detection method
CN201811242719.0A Active CN109061325B (en) 2016-12-12 2016-12-12 Dust electrostatic detection method
CN201811245311.9A Active CN109239474B (en) 2016-12-12 2016-12-12 Automatic electrostatic detection method for dust static electricity for experiment

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CN201811245311.9A Active CN109239474B (en) 2016-12-12 2016-12-12 Automatic electrostatic detection method for dust static electricity for experiment

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Publication number Priority date Publication date Assignee Title
CN109142900A (en) * 2017-06-27 2019-01-04 中国石油化工股份有限公司 A kind of wind send powder electrostatic on-line monitoring and eliminates control system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004239910A (en) * 2003-02-05 2004-08-26 Agfa Gevaert Nv Immediate measuring method of triboelectricity characteristic
CN101551422A (en) * 2009-05-22 2009-10-07 东北大学 Air-suction type space dust-charge test device
CN202166697U (en) * 2011-07-19 2012-03-14 兰州大学 Multifactor analyzer for electric quantity of particle separation
CN202330566U (en) * 2011-11-22 2012-07-11 雅宝研磨材(苏州)有限公司 Detector for static characteristic of granular material
CN103063437A (en) * 2013-01-14 2013-04-24 南京航空航天大学 Simulation experiment device for aero-engine suction object on-line static monitoring system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4568387B2 (en) * 1999-03-19 2010-10-27 嘉二郎 渡邊 Powder flow measurement device
EP1445015A1 (en) * 2003-02-05 2004-08-11 Agfa-Gevaert Fast characterizing method for triboelectrical properties
CN201320453Y (en) * 2008-12-11 2009-10-07 上海纳米技术及应用国家工程研究中心有限公司 Simulation generator for gas and dust pollutants
CN201408228Y (en) * 2009-05-22 2010-02-17 东北大学 Air pumping type testing device for electric charge of spatial dust
CN102608440B (en) * 2012-03-12 2014-05-07 南京航空航天大学 Electrostatic sensing experimental system and particle frictional charge measuring method
CN102879033B (en) * 2012-09-29 2015-12-02 惠州Tcl移动通信有限公司 A kind of dust atmosphere analogue means
CN105057012A (en) * 2015-08-17 2015-11-18 中国农业科学院农业信息研究所 Dust testing box
CN205317863U (en) * 2015-09-26 2016-06-15 华北电力大学(保定) Formula dust lotus electric quantity detection device is sprayed in pulse
CN106179812B (en) * 2016-07-29 2018-11-30 山东大学 tunnel dust simulation system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004239910A (en) * 2003-02-05 2004-08-26 Agfa Gevaert Nv Immediate measuring method of triboelectricity characteristic
CN101551422A (en) * 2009-05-22 2009-10-07 东北大学 Air-suction type space dust-charge test device
CN202166697U (en) * 2011-07-19 2012-03-14 兰州大学 Multifactor analyzer for electric quantity of particle separation
CN202330566U (en) * 2011-11-22 2012-07-11 雅宝研磨材(苏州)有限公司 Detector for static characteristic of granular material
CN103063437A (en) * 2013-01-14 2013-04-24 南京航空航天大学 Simulation experiment device for aero-engine suction object on-line static monitoring system

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Publication number Publication date
CN109061325B (en) 2020-07-10
CN109239474A (en) 2019-01-18
CN106771674B (en) 2019-02-15
CN109239474B (en) 2020-07-10
CN109061325A (en) 2018-12-21
CN106771674A (en) 2017-05-31
CN109061326B (en) 2020-07-10

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