CN207992329U - Measuring device occurs for the electrostatic for colliding particle - Google Patents
Measuring device occurs for the electrostatic for colliding particle Download PDFInfo
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- CN207992329U CN207992329U CN201820174788.1U CN201820174788U CN207992329U CN 207992329 U CN207992329 U CN 207992329U CN 201820174788 U CN201820174788 U CN 201820174788U CN 207992329 U CN207992329 U CN 207992329U
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Abstract
The utility model discloses a kind of electrostatic of collision particle, and measuring device occurs, which includes：Holder；Collision body on the bracket is set；Faraday cup is located at the collision body obliquely downward, forms charged particle after candidate particles and collision body collision and can fall into the Faraday cup, the charged particle movement generates electric current；Electrometer, the electrometer is electrically connected with the Faraday cup, for measuring the corresponding static content of the electric current；Computer, the computer is electrically connected with the electrometer, for recording the static content measured.Measuring device occurs for the electrostatic of collision particle provided by the utility model, can obtain individual particle collision and the size of electrostatic occurs, and determine the factor that electrostatic occurs that influences, to instruct actual production.
Description
Technical field
The utility model is related to static content field of measuring technique, more particularly to a kind of electrostatic of collision particle occurs to measure dress
It sets.
Background technology
Particle is a kind of widely applied essential industry raw material, including chemical industry, the energy, pharmacy, food and nation etc.
Field.During pellet transportation, fixed particle in the duct with the complicated movement of fluid, the wherein collision of particle and wall surface not
Wear problem is only brought, a large amount of electrostatic are also will produce.On the one hand, electric discharge phenomena can occur for charged particle, this may cause particle
The harm such as unity, blocking, Mars and explosion.In addition, in a fluid, such as in Dual-Phrase Distribution of Gas olid, institute's static electrification may be used also on particle
It can influence the measurement accuracy of pertinent instruments, damage equipment, instrument etc..On the other hand, if can rationally be promoted using electrostatic again
Into the development of certain advanced industrial circles, such as printing technology, dedusting technology etc..
In short, the electrostatic occurred due to particles collision is measured, the influence factor that research collision electrostatic generates, to commercial Application
Development is eliminated, controls electrostatic technique in field, rationally all has important practical directive significance using electrostatic.But due to quiet
Electric mechanism of production is sufficiently complex, and there is presently no a kind of measuring techniques that electrostatic occurring based on particles collision.Therefore, at present very
It is necessary to propose that the measuring technique of electrostatic occurs for a kind of particles collision, to make up defect in the prior art.
Utility model content
The purpose of this utility model is to provide a kind of electrostatic generation measuring device of collision particle, measures individual particle collision hair
Raw static content determines the factor that electrostatic generates that influences, to instruct actual production.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model：
A kind of electrostatic generation measuring device of collision particle comprising：
Holder；
Collision body on the bracket is set；
Faraday cup is located at the collision body obliquely downward, electrification is formed after candidate particles and collision body collision
Grain can simultaneously be fallen into the Faraday cup, and the charged particle movement generates electric current；
Electrometer, the electrometer is electrically connected with the Faraday cup, for measuring the corresponding static content of the electric current；
Computer, the computer is electrically connected with the electrometer, for recording the static content measured.
In one preferred embodiment, the material of the collision body include it is following in any one：Stainless steel, glass
Glass.
In one preferred embodiment, the collision body has impingement area and the bottom surface opposite with the impingement area,
The impingement area is in arc-shaped, and the bottom surface is fixed on the bracket and is connected with ground wire.
In one preferred embodiment, further include hygronom for detecting humidity.
In one preferred embodiment, further include：Video camera for obtaining candidate particles motion conditions, it is described to take the photograph
As instrument and the computer are electrically connected.
In one preferred embodiment, further include：Metal foil cover, the metal foil, which is provide with, sets in the holder, method
It draws the glass, outside video camera, hygronom, the window of predetermined size is provided on the metal foil cover.
In one preferred embodiment, the lower section of the window, and be additionally provided with above the collision body
Lateral scale for being positioned to the candidate particles drop-off positions is located at the collision body far from the Faraday cup
Side is provided with longitudinal scale.
In one preferred embodiment, the Faraday cup, electrometer, metal foil cover are connect with ground wire.
In one preferred embodiment, further include electronic balance for measuring candidate particles quality, the electronics
The precision of balance is at least 10-4Gram.
The characteristics of the utility model and advantage are：The electrostatic of the collision particle provided in the application embodiment measures
Device is located at the Faraday cup of the collision body rectangle, the candidate particles are collided with the collision body by the way that collision body is arranged
After form particle undetermined and can fall into Faraday cup, the charged particle movement generates electric current；It is electrical with the Faraday cup
The electrometer of connection, the computer being electrically connected with the electrometer, may be implemented the electrostatic measurement of candidate particles, and lead to
The influence factor that individual particle collision electrostatic generates can be determined by crossing change experiment condition.In short, the collision that utility model provides
Measuring device occurs for the electrostatic of grain, can simulate the collision phenomenon of practical particle, measures individual particle collision and static content occurs, determine
The factor that electrostatic generates is influenced, to instruct actual production.
With reference to following description and accompanying drawings, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It is used in a other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the electrostatic generation measuring device of collision particle in the application embodiment；
Fig. 2 is a kind of step flow chart of the electrostatic generation measurement method of collision particle in the application embodiment.
Reference sign：
Holder -1；Candidate particles -10；Lateral scale 11；Longitudinal scale 12；Collision body -2；Faraday cup -3；Open end-
30；Electrometer -4；Computer -5；Video camera -6；Hygronom -7；Metal foil cover -8, window -81.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, elaborate to the technical solution of the utility model, it should be understood that
These embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model, new having read this practicality
After type, those skilled in the art each fall within the application appended claims to the modification of the various equivalent forms of the utility model
In limited range.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper",
"lower", "left", "right" and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant Listed Items.
The utility model provides a kind of electrostatic generation measuring device of collision particle, measures individual particle collision and electrostatic occurs
Amount determines the factor that electrostatic generates that influences, to instruct actual production.
The static content that measuring device is used to measure individual particle occurs for the electrostatic of collision particle provided herein, measures
Principle is：Particle is inevitably collided with collision body during movement, and to generate electrostatic charge, which is
" collision electrification "；The opposite charges of particle quantity identical as collision body band after separating.Wherein, the electricity size of generation is possible
Influence factor includes：Granular materials, size, shape, ambient humidity etc..Specifically, each influence factor is to band after particles collision
The influence size of electricity occurs measuring device using the electrostatic of collision particle provided herein and is determined.
It is emphasized that：Measurement model provided herein is the collision model of individual particle-collision body, generation it is quiet
Electricity is generated after being collided with collision body by individual particle.The mode of collision electrification is primarily present following difference with sliding electrification：
1, electrostatic essence occurs for particle different：Particle-wall collisions are disposable moment electrostatic to occur, with granular materials,
The factors such as impact velocity (height of drop), granular size have relationship；And particle-wall sliding refers to particle slides connect in the plane
It touches, electrostatic occurs after contacting for a long time, other than above-mentioned influence factor, also particle contact area, grain shape, particle surface
The factors such as roughness are related.
2, the way of contact is different：Sliding electrification is that face contacts, and collision electrification is point contact；
3, time of contact is different：Sliding electrification refers to the time that particle slides in the plane, and the time is longer, particle-wall surface
Collision electrification is then moment particle-wall collisions；
4, electrostatic genesis mechanism and influence factor effect are different：Particle-wall collisions speed is bigger, big due to hitting kinetic energy
Cause electrostatic yield big；Particle sliding speed is big, and the sliding contact time is short in identical coasting distance, and electrostatic is caused to generate
It measures small.
For the mode of particle-wall collisions model or collision electrification, actual particle and wall can be more simulated
The case where face is collided.
It can be wrapped referring to Fig. 1, measuring device occurs for a kind of electrostatic of the collision particle provided in the application embodiment
It includes：Holder 1；The collision body 2 being arranged on the holder 1；Faraday cup 3 is located at 2 obliquely downward of the collision body, described to wait for
It surveys to form charged particle after particle 10 is collided with the collision body 2 and the Faraday cup 3 can be fallen into and generates electric current；Electrometer 4,
The electrometer 4 is electrically connected with the Faraday cup 3, for measuring the corresponding static content of the electric current；Computer 5, it is described
Computer 5 is electrically connected with the electrometer 4, for recording the static content measured.
In the present embodiment, the holder 1 is used to support the collision body 2.Specifically, the holder 1 may include
The supporting rod of pedestal and setting on the base.Fixed part can be provided on the supporting rod, for fixing the collision
Body 2.The fit system of the fixed part and the collision body 2 can be snap fit, can be the mode of magnetic absorption, or
Person, the collision body 2 can be directly welded on the holder 1, in addition, the fit system of the two is not limited to the example above,
Specific the application does not make specific limit herein.
In the present embodiment, the collision body 2 with candidate particles 10 for being collided.Specifically, the collision body 2
Material may include it is following in any one：Stainless steel, glass etc..Wherein, which can be organic glass.Specifically
, the material of the collision body 2 can according to the difference of actual application environment material and adaptive change, the application do not make herein
It is specific to limit.
In one embodiment, the collision body 2 has impingement area and the bottom surface opposite with the impingement area, described to touch
It is in arc-shaped to hit face.The collision body 2 can be hemisphere, for example, the collision body 2 can be the hemisphere of 5 centimetres of radius.
The bottom surface of the collision body 2 can be placed on the holder 1 horizontal by predetermined angular, in order to enable candidate particles 10 from
2 collision reaction of collision body falls directly into Faraday cup 3, which can be selected as 45-65 degree.
It is point contact to ensure that candidate particles 10 are collided with collision body 2, limits the shape of collision body 2 in the present embodiment
Shape is sphere.The construction of the collision body 2 is not limited to the example above with the matching relationship etc. of holder 1, and the application does not make herein
It is specific to limit, ensure that candidate particles 10 are collided with the collision body 2 and generate electrostatic for disposable point collision, and can pop up to method
It draws in the glass 3.
Wherein, in order to carry out independence experiment, i.e. candidate particles 10 carry out the collision of next candidate particles 10 after colliding,
The needs of collision body 2 spark.Specifically, the bottom surface of the collision body 2 can be fixed on the holder 1 and be connected with ground connection
Line.Theoretically analyze, after candidate particles 10 collide with collision body 2, opposite charges of the two respectively with identical quantity.But
It is larger by surrounding environment influence in view of the area of collision body 2 is larger, it is larger therefore not right directly to measure its carried charge error
It is measured.
In the present embodiment, the Faraday cup 3 is located at the obliquely downward of the collision body 2.The candidate particles 10 with
The collision body 2 falls into Faraday cup 3 after colliding and forms charged particle, and the charged particle movement generates electric current.Faraday
Cup 3 is for measuring electric current caused by charged particle movement, and then the static content generated after acquisition particles collision.
Specifically, it can be in hollow cylindrical shape that the Faraday cup 3 is whole, the upper end is open end 30.The farad
There is the first opposite side and the second side glass 3.For attached drawing, first side is the left side of the Faraday cup 3, institute
State the right side that the second side is the Faraday cup 3.First side is close to the side of 2 lower end of the collision body.Wherein, described
The internal diameter of the open end 30 of Faraday cup 3 is 4 centimetres.
In the present embodiment, the electrometer 4 is electrically connected with the Faraday cup 3, for measuring the electric current pair
The static content answered.In general, about 2-3 millimeters of the grain size of candidate particles 10,10 free-falling of candidate particles occur with collision body 2
It is fallen directly into after collision in Faraday cup 3, Faraday cup 3 is used with the collocation of electrometer 4, can by the conversion of electric current and charge
Accurate amount of charge is obtained, it is simple and reliable, the smaller quantity of electric charge (10 can be measured-14~10-10Coulomb).
In the present embodiment, the computer 5 and the electrometer 4 are electrically connected, for preserve measure it is described quiet
Electricity.Specifically, the computer 5 can be with data computing function or the equipment of data output or displaying function, example
Such as computer 5, details are not described herein by specific the application.
The Faraday cup 3, electrometer 4, collision body 2 and metal foil cover 8 are grounded in one embodiment, to
Avoid surrounding environment influence measurement accuracy.
In one embodiment, it is additionally provided in the collision body 2 for obtaining taking the photograph for 10 motion conditions of candidate particles
As instrument 6.The video camera 6 can be high-speed camera instrument 6, can efficiently and accurately record the movement locus of candidate particles 10.This
Outside, according to top, the scale of side arrangement can accurately obtain the speed that candidate particles 10 fall to 2 top of collision body, described
Video camera 6 can be electrically connected with the computer 5, be preserved to which the data of acquisition are transferred to the computer 5.
In one embodiment, in order to detect the ambient humidity around candidate particles 10, and then ambient humidity is determined
The influence of electrostatic size is generated to collision particle, it further includes for detecting humidity that measuring device, which occurs, for the electrostatic of the collision particle
Hygronom 7.
In addition, in order to shield peripheral electrostatic interference, the accuracy of electrostatic measurement is provided, the electrostatic of the collision particle is surveyed
Measuring device further includes：Metal foil cover 8, and can be grounded.The metal foil cover 8 can be arranged in the holder 1, Faraday cup
3, video camera 6, outside hygronom 7.The window 81 of predetermined size is provided on the metal foil cover 8, for launching candidate particles 10.
Specifically, the size and shape of the metal foil cover 8 can be needed according to actual experiment and be set, the application does not make to have herein
The restriction of body.For example, the metal foil cover 8 can be 75 centimetres long, 30 centimetres wide, high 45 centimetres of cuboid.The cuboid
The top surface of shape is provided with long 25 centimetres wide 10 centimetres of window 81.
Further, it in the lower section of the window 81, and is additionally provided with for described positioned at the top of the collision body 2
The lateral scale 11 that 10 drop-off positions of candidate particles are positioned is located at side of the collision body 2 far from the Faraday cup 3
It is provided with longitudinal scale 12.The transverse direction scale 11 and longitudinal scale 12 are used to coordinate the initial alignment for realizing candidate particles 10,
When the candidate particles 10 fall in the range of where lateral scale 11 and longitudinal scale 12, after capable of being collided with collision body 2
It falls into Faraday cup 3.Specifically, lateral scale 11 may range from 0-5 centimetres, the range of the longitudinal direction scale 12 can be with
It is 0-5 centimetres.
In addition, in order to avoid the influence of ambient enviroment, ensure the precision measured, the Faraday cup 3, electrometer 4, metal
Foil cover 8 is grounded.
In one embodiment, it further includes for measuring candidate particles 10 that measuring device, which occurs, for the electrostatic of the collision particle
The precision of the electronic balance of quality, the electronic balance is at least 10-4G, to accurately measure the quality of the candidate particles 10.
When specific detection, electronic balance can be utilized to measure the quality of candidate particles 10, select and meet waiting for for quality requirement
Particle 10 is surveyed, then candidate particles 10 are placed in the collision body 2 and are discharged, such as can be discharged 24 hours or more,
To ensure the candidate particles 10 before testing completely with out electricity.Subsequently the candidate particles 10 after electric discharge are placed on electrostatic-resisting tweezers
Setting position, 10 free-falling of the candidate particles form charged particle and spring into described after colliding with the collision body 2
In Faraday cup 3, which generates induced current when moving.The induced current of generation is after the measurement of the electrometer 4
Obtain the charge of charged particle institute band.The follow-up charge is stored by the computer 5 being connect with the electrometer 4.
On the whole, measuring device occurs for the electrostatic of the collision particle provided in the application embodiment by the way that collision body is arranged
2, it is located at the Faraday cup 3 of 2 rectangle of the collision body, the candidate particles form charged particle after being collided with the collision body 2,
Charged particle rebound, which is fallen into the Faraday cup 3, generates electric current；The electrometer 4 being electrically connected with the Faraday cup 3, with
The computer 5 that the electrometer 4 is electrically connected, the electrostatic that candidate particles 10 may be implemented measure, and real by changing
The condition of testing may be able to determine that out the influence factor that individual particle collision electrostatic generates.For to sum up, the collision of utility model offer
Measuring device occurs for the electrostatic of particle, can simulate the collision phenomenon of practical particle, can obtain individual particle collision and electrostatic occurs
Size, and determine influence electrostatic occur factor, to instruct actual production.
Referring to Fig. 2, measuring device occurs for the electrostatic based on above-mentioned collision particle, the application embodiments, provides
A kind of electrostatic generation measurement method of collision particle, this method may include steps of：
Step S10：Measure candidate particles 10 size, quality, and by the candidate particles 10 discharge at least 24 hours with
On；
Step S12：Candidate particles 10 after electric discharge are fallen in precalculated position, band is formed after being collided with collision body 2
Electric particle is simultaneously fallen into Faraday cup 3, and the charged particle movement generates electric current；It is quiet by being connect with the Faraday cup 3
The corresponding static content of the 4 metering electric current of electricity meter；
Step S14：Computer 5 preserves the static content data measured according to prefixed time interval.
Further, this method can also include：
Step S16：Change appointing in size, quality, height of drop, material and the humidity parameter of the candidate particles 10
Meaning is a kind of, and keeps other parameters constant, repeats above-mentioned measurement method.
Before formal experiment, size, the quality of candidate particles 10 can be first measured, and the candidate particles 10 are discharged to
It is 24 hours or more few, to ensure candidate particles 10 completely with out electricity.
When formal measurement, the candidate particles 10 after electric discharge can be fallen with electrostatic-resisting tweezers, wherein the candidate particles 10
Material can select：Other materials for needing experimental simulation such as PVC, PP, coal dust, glass, the initial bit of the candidate particles 10
Set can be where lateral scale 11 and longitudinal scale 12 in the range of, formed after the candidate particles 10 and the collision of collision body 2
Charged particle rebounds into Faraday cup 3, and the charge measured is automatically saved in every 50ms on computer 5.Subsequently press from both sides out the band
Electric particle, which is placed on stainless steel plate, to discharge.
When measuring the influence factor in addition to height of drop, it is to be ensured that 10 height of drop of candidate particles is consistent；Measure lower drop height
When the influence of degree, it should fall and record in scale range, which can ensure that particle falls into Faraday cup 3 through experimental demonstration
In.
Measuring device occurs for the electrostatic of the collision particle provided using the above embodiment, and reality can be simulated by measuring
The collision phenomenon of particle measures the size of generation electrostatic after particles collision, determines the influence factor that individual particle collision electrostatic generates,
To instruct actual production.For example, being found in experiment：The particle aspect ratios the big, and it is bigger to occur static content, thus can have danger
Harmful place reduces the length-width ratio of particle as far as possible；And keep particle aspect ratios as big as possible in the application of static content.
Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.The term " substantially by ... constitute " for describing combination should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
Above-mentioned each embodiment in this specification is described in a progressive manner, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the utility model, although the embodiment disclosed by the utility model is such as
On, but the content is only to facilitate the embodiment for understanding the utility model and using, it is new to be not intended to limit this practicality
Type.Any those skilled in the art of the present invention are not departing from the spirit and scope disclosed by the utility model
Under the premise of, any modification and variation, but the patent of the utility model can be made in the formal and details of embodiment
Protection domain must be still subject to the scope defined in the appended claims.
Claims (9)
1. measuring device occurs for a kind of electrostatic of collision particle, which is characterized in that including：
Holder；
Collision body on the bracket is set；
Faraday cup is located at the collision body obliquely downward, charged particle is formed simultaneously after candidate particles and collision body collision
It can fall into the Faraday cup, the charged particle movement generates electric current；
Electrometer, the electrometer is electrically connected with the Faraday cup, for measuring the corresponding static content of the electric current；
Computer, the computer is electrically connected with the electrometer, for recording the static content measured.
2. measuring device occurs for the electrostatic of collision particle as described in claim 1, which is characterized in that the material of the collision body
Including any one in following：Stainless steel, glass.
3. measuring device occurs for the electrostatic of collision particle as claimed in claim 2, which is characterized in that the collision body, which has, to be touched
Face and the bottom surface opposite with the impingement area are hit, the impingement area is in arc-shaped, and the bottom surface is fixed on the bracket and connected
It is connected to ground wire.
4. measuring device occurs for the electrostatic of collision particle as claimed in claim 3, which is characterized in that further include wet for detecting
The hygronom of degree.
5. measuring device occurs for the electrostatic of collision particle as claimed in claim 4, which is characterized in that further include：For obtaining
The video camera of candidate particles motion conditions, the video camera are electrically connected with the computer.
6. measuring device occurs for the electrostatic of collision particle as claimed in claim 5, which is characterized in that further include：Metal foil cover,
The metal foil, which is provide with, sets outside the holder, Faraday cup, video camera, hygronom, is provided on the metal foil cover predetermined
The window of size.
7. measuring device occurs for the electrostatic of collision particle as claimed in claim 6, which is characterized in that the lower section of the window,
And the lateral scale for being positioned to the candidate particles drop-off positions, position are additionally provided with above the collision body
Side of the collision body far from the Faraday cup is provided with longitudinal scale.
8. measuring device occurs for the electrostatic of collision particle as claimed in claim 6, which is characterized in that the Faraday cup, quiet
Electricity meter, metal foil cover are connect with ground wire.
9. measuring device occurs for the electrostatic of collision particle as described in claim 1, which is characterized in that further include being waited for for measuring
The electronic balance of granular mass is surveyed, the precision of the electronic balance is at least 10-4Gram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174788.1U CN207992329U (en) | 2018-02-01 | 2018-02-01 | Measuring device occurs for the electrostatic for colliding particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174788.1U CN207992329U (en) | 2018-02-01 | 2018-02-01 | Measuring device occurs for the electrostatic for colliding particle |
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| CN207992329U true CN207992329U (en) | 2018-10-19 |
Family
ID=63823601
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| CN201820174788.1U Active CN207992329U (en) | 2018-02-01 | 2018-02-01 | Measuring device occurs for the electrostatic for colliding particle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107282A (en) * | 2018-02-01 | 2018-06-01 | 中国石油大学(北京) | Measuring device and method occur for the electrostatic for colliding particle |
| CN109551375A (en) * | 2019-01-27 | 2019-04-02 | 浙江工业大学 | The controllable abrasive Flow Machining removal amount detecting device of electrostatic and detection method |
| CN109633293A (en) * | 2018-12-25 | 2019-04-16 | 东南大学 | A kind of device and method that particles collision electrification is measured according to particle motion trajectory |
-
2018
- 2018-02-01 CN CN201820174788.1U patent/CN207992329U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107282A (en) * | 2018-02-01 | 2018-06-01 | 中国石油大学(北京) | Measuring device and method occur for the electrostatic for colliding particle |
| CN108107282B (en) * | 2018-02-01 | 2023-11-03 | 中国石油大学(北京) | Device and method for measuring electrostatic occurrence of collision particles |
| CN109633293A (en) * | 2018-12-25 | 2019-04-16 | 东南大学 | A kind of device and method that particles collision electrification is measured according to particle motion trajectory |
| CN109551375A (en) * | 2019-01-27 | 2019-04-02 | 浙江工业大学 | The controllable abrasive Flow Machining removal amount detecting device of electrostatic and detection method |
| CN109551375B (en) * | 2019-01-27 | 2024-01-12 | 浙江工业大学 | Electrostatic controllable abrasive flow machining removal detection device and detection method |
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