CN206223737U - A kind of static discharge ignites experimental provision - Google Patents
A kind of static discharge ignites experimental provision Download PDFInfo
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- CN206223737U CN206223737U CN201621017373.0U CN201621017373U CN206223737U CN 206223737 U CN206223737 U CN 206223737U CN 201621017373 U CN201621017373 U CN 201621017373U CN 206223737 U CN206223737 U CN 206223737U
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Abstract
A kind of static discharge ignites experimental provision, belongs to electrostatic art.It sets a closed ignition test container, and a relief valve is set on ignition test container, and rotation earth electrode and an experiment sparking electrode are set in ignition test container；Experiment sparking electrode and rotation earth electrode noncontact, and relative to rotation earth electrode rotation axis off-center, right angle setting；Experiment sparking electrode is connected with the consumer appliance outside ignition test container；Circulating pump, the first pipeline and second pipe is set to be connected with closed ignition test container；Vavuum pump is set to be connected with the first pipeline；One explosive gas source is set and an air-source is connected with second pipe；One pressure sensor is set in ignition test container.It uses regulating discharging spacing, controllable explosive gas volumetric concentration and movable electrode closing speed, can obtain producing the minimum discharge current of the explosion time that ignites, and the development to explosion-proof type Xelminator is significant.
Description
Technical field
The utility model belongs to testing field, more particularly to a kind of test device ignited for static discharge.
Background technology
The high-tension apparatuses such as Xelminator, high-voltage motor easily produce local static discharge phenomenon, wherein more dangerous
Static discharge form be spark discharge；When explosion hazard area uses Xelminator, a series of necessity must be taken it
Safety anti-explosive measure.
During Xelminator normal work, its discharge type is corona discharge, and this kind of discharge type is in theory to combustible gas
Body does not have ignition capability, but does not prove that it sets to convictive experiment of the fuel gas without ignition capability so far
It is standby.
Whether static discharge ignites experimental provision, is the experimental provision that explosive mixture done that ignited to static discharge；
Electrode taper, electrode material, electrode closing speed, electric discharge spacing, discharge loop impedance, mixing can determine that by the experimental provision
The influence of atmospheric pressure, gaseous mixture volume ratio, gaseous mixture into gradation parameter to exploding, so as to Xelminator or high voltage installation
The necessary parameter value of offer is provided, effectively prevent high-tension apparatus when explosion hazard area run, generation explosion accident.
However, there is following defect in existing experimental provision：
1st, the closing speed of electrode cannot be adjusted；
2nd, explosive gas cannot be sufficiently mixed with air or oxygen, and influence explosion threshold.
So, in real work, in the urgent need to one kind can adjust electrode closing speed, measure various explosive gas
Whether static discharge ignites the experimental provision that explosive mixture is done under mixed proportion, so that the safety to Xelminator is prevented
Quick-fried performance is tested and checked.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of static discharge and ignites experimental provision, and it passes through electronic
Machine drives earth electrode rotation, realizes the regulation and control of sparking electrode and earth electrode closing speed, is realized by circulating pump
Gaseous mixture in ignition test container is sufficiently mixed, it is dense using adjustable electric discharge spacing, controllable explosive gas volume
Degree regulation, and adjustable electrode closing speed, can obtain producing the minimum discharge current of the explosion time that ignites, quiet to explosion-proof type
The development of electric arrester is significant.
The technical solution of the utility model is：A kind of static discharge is provided to ignite experimental provision, it is characterized in that：
One closed ignition test container is set, and described ignition test container has a transparent safety glass
Cover；
One relief valve is set on safety glass cover；
One rotation earth electrode and an experiment sparking electrode are set in ignition test container；
Described experiment sparking electrode is d with the distance between earth electrode is rotated, and relative to rotation earth electrode
Rotation axis off-center, right angle setting；
Described rotation earth electrode is a square metal plate electrode, drives it to rotate by a motor；
The rotary shaft of motor is connected by the second insulator with switching ground electrode；
Described experiment sparking electrode is arranged on the top of square metal plate electrode；
Described experiment sparking electrode is connected with the consumer appliance outside ignition test container；
Consumer appliance is connected with supply unit；
One circulating pump, the inlet tube of circulating pump and the outlet of circulating pump and the closed ignition test container are set
Communicate；
The first pipeline and second pipe is set to be connected with closed ignition test container；
A vavuum pump is set to be connected with the first pipeline；
One explosive gas source is set and an air-source is connected with second pipe；
One pressure sensor is set in ignition test container.
Further, on the outlet or inlet tube of the circulating pump, a gas sensor is set.
Further, the lead in the experiment sparking electrode is passed through at ignition test container, sets the first insulator.
Further, between the rotation earth electrode and ground, one noninductive resistance of setting, the two ends of noninductive resistance,
And connect an oscillograph.
Further, in described explosive gas source, between air-source and second pipe, a mixing pump is set, will
Described explosive gas source is re-fed into second pipe after mixing with air-source；Gas biography is provided with described second pipe
Sensor.
Specifically, described experiment sparking electrode is 0.1-20mm with the distance between earth electrode d is rotated, and
Right angle setting at the rotation axis 10mm of distance rotation earth electrode.
Further, described ignition test container has a transparent safety glass cover and a hard floor, institute
The rotary shaft of the motor stated is set through hard floor.
Further, inside the hard floor and ignition test container of the inlet tube of the circulating pump and outlet described in
Space is communicated, and the first described pipeline and second pipe are communicated through described hard floor with ignition test interior of the container.
Further, the lead of the experiment sparking electrode is set through described hard floor.
Compared with the prior art, the utility model has the advantages that：
1. connect using adjustable electric discharge spacing, controllable explosive gas volumetric concentration regulation, and adjustable electrode
Nearly speed, can obtain producing the minimum discharge current of the explosion time that ignites, and whole device and test method provide more perfect
Test parameters, particularly electrode closing speed, the development to explosion-proof type Xelminator are significant.
2. the explosion-proof type Xelminator by this experimental provision and test method design will have security performance higher.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model experimental provision；
Fig. 2 is another structural representation of the utility model experimental provision.
1 is ignition test container in figure, and 2 is safety glass cover, and 3 is motor, and 4 is rotation earth electrode, and 5 use for experiment
Sparking electrode, 6 is relief valve, and 7 is consumer appliance, and 8 is pressure sensor, and 9 is circulating pump, and 9-1 is circulating-pump outlet pipe, and 9-2 is
Pump inlet pipe, 10 is gas sensor, and 11 is the first pipeline, and 12 is second pipe, and 13 is supply unit, and 14 is first exhausted
Edge body, 15 is the second insulator, and 16 is noninductive resistance, and 17 is oscillograph, and 18 is mixing air pump.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
In Fig. 1, the technical solution of the utility model is ignited experimental provision there is provided a kind of static discharge, and its inventive point exists
In：
One closed ignition test container 1 is set, and described ignition test container has a transparent safety glass
Cover 2 and an ignition test container bottom for metal material；
One relief valve 6 is set on safety glass cover；
One rotation earth electrode 4 and an experiment sparking electrode 5 are set in ignition test container；
Described rotation earth electrode is a square metal plate electrode, drives it to rotate by a motor 3；
The output shaft of motor is connected by the second insulator 15 with switching ground electrode；
Described experiment sparking electrode is arranged on the top of square metal plate electrode；
Described experiment sparking electrode is d with the distance between earth electrode is rotated, and relative to rotation earth electrode
Rotation axis off-center, right angle setting；
Described experiment sparking electrode is connected with the consumer appliance 7 outside ignition test container；
Consumer appliance is connected with supply unit 13；
One circulating pump 9, pump inlet pipe 9-2 and circulating-pump outlet pipe 9-1 and the closed ignition test are set
Container is communicated；
The first pipeline 11 and second pipe 12 is set to be connected with closed ignition test container；
A vavuum pump is set to be connected with the first pipeline；
One explosive gas source is set and an air-source is connected with second pipe；
One pressure sensor 8 is set in ignition test container.
On the outlet or inlet tube (in figure by taking inlet tube as an example) of the circulating pump, a gas sensor is set
10。
Passed through at ignition test container in the lead of the experiment sparking electrode, the first insulator 14 is set.
Between the rotation earth electrode and ground, a noninductive resistance 16, the two ends of noninductive resistance are set, and connect one
Oscillograph 17.
Further, a mixing pump can be set in described explosive gas source, between air-source and second pipe,
Second pipe is re-fed into after described explosive gas source is mixed with air-source.Now it is provided with described second pipe
Gas sensor.
Further, described experiment sparking electrode is 0.1-20mm with the distance between earth electrode d is rotated, and
The right angle setting at the rotation axis 10mm of distance rotation earth electrode.
Fig. 2 is another structural representation of the utility model experimental provision, and it is explosive gas with the difference of Fig. 1
After source and air-source first pass through a mixing of mixing air pump 18, then it is connected with second pipe, in input to ignition test container, with
Phase obtains more preferable gas mixing effect, and a gas sensor 10 can be now set on second pipe, carries out corresponding
Detection.
In Fig. 1, Fig. 2, according to routine, in the first pipeline, second pipe and ignition test container junction, there is provided valve
Door, this is set according to the regulation of gas delivery safety code.
As seen from Figure 1, Figure 2, ignition test container has a transparent safety glass cover and a hard (metal material
Matter) base plate, the rotary shaft of motor sets through hard floor.
Further, the inlet tube and outlet of circulating pump are communicated through hard floor with ignition test interior of the container.
First pipeline and second pipe are communicated through hard floor with ignition test interior of the container.
The lead of experiment sparking electrode is set through hard floor.
When static discharge ignition test is carried out, sparking electrode during, can cause electrode with earth electrode
Between electric field violent distortion, the drastic change of having to go to the toilet of electric field short time is big, triggers pulsed discharge；Pulsed discharge intensity and institute making alive, connect
Nearly speed etc. is closely related.
And the object for carrying the quick motion of a large amount of electrostatic charges is the electric eliminating object of Xelminator, therefore " electrode connects
Nearly speed " --- this parameter, designs most important to Xelminator.
The technical solution of the utility model, by motor drive earth electrode rotate, it is achieved thereby that sparking electrode with
The regulation of earth electrode closing speed and control.
Some explosion hazard gases are lighter than air or oxygen, are suspended in top, and influence gas ignites, will not even ignite；So
Explosive gas is set to be sufficiently mixed with air or oxygen, the electric parameter of pair determination Xelminator has particularly important shadow
Ring.
The technical solution of the utility model, realizes that the gaseous mixture in ignition test container is forced to fill by circulating pump
Divide mixing.
The ignition test of static discharge is carried out using technical solutions of the utility model, specific test method is as follows：
(1) experiment electrode is installed in ignition test container as shown in Figure 1, in the secondary terminals of consumer appliance supply unit
High-voltage side connected using the conductor of the covering insulant such as polyethylene as much as possible.Experiment electrode and rotation earth electrode
(SUS 304 makes the square metal plate electrode of 20 × 30mm) distance is 0.1-20mm, and vertical at rotary shaft 10mm
Install.
(2) operated vacuum pumps, make ignition test container for vacuum state, and vacuum reaches 102After Pa, experiment gas is imported
Body, makes the pressure in ignition test container reach 1.01 × 105Pa。
(3) power switch of consumer appliance supply unit is opened, rotary earth electrode is rotated, makes experiment electrode needle vertical
Just to ground connection metal plate center lines of electrodes, make electrode needle to earth electrode continuous discharge 5min.
(4) power switch of consumer appliance supply unit is opened, rotary earth electrode is rotated 100 times, every point of rotary speed
Clock 30 times；Whether ignited so as to test.
(5) power switch of consumer appliance supply unit is opened, changes experimental condition, rotate rotary earth electrode 100 times,
60 times per minute of rotary speed；Whether ignited so as to test.
(6) power switch of consumer appliance supply unit is opened, changes experimental condition, rotate rotary earth electrode 100 times,
120 times per minute of rotary speed；Whether ignited so as to test.
(7) when cannot be ignited through above-mentioned steps, repeated 10 times by above-mentioned (2)~(6) step.
Wherein, described test gas is to be input into ignition test container, by mixed explosive gaseous mixture；Institute
The experimental condition stated includes changing by the concentration of mixed explosive gas.
The experimental provision that ignites on the technical program, remarks additionally as follows：
1st, voltage and electrostatic that the sparking electrode (can be by impedance type sparking electrode) of the experiment in container that ignites applies
The output high pressure of arrester supply unit is consistent or higher than its output voltage；
2nd, the arcing distance d between sparking electrode and ground connection rotation electrode, can be adjusted by moving up and down sparking electrode；
3rd, rotation earth electrode and rotary screw are mechanically connected, and are connected by insulator between rotary screw and motor,
Realize rotation；
4th, the rotary shaft offset rotation earth electrode major axis center 7mm of earth electrode is rotated, sparking electrode is apart from rotary shaft
Center line 10mm；
5th, pressure sensor is fixed on the metal base of the container bottom that ignites, mixed pressure in real-time monitoring test chamber
Power；
6th, when the pressure in the container that ignites reaches 0.7MPa, the relief valve on safety glass cover is moved pressure release is implemented
Make；
7th, rotation earth electrode is concatenated into a noninductive resistance over the ground, using oscillograph monitoring voltage, is realized to electric discharge energy
The monitoring of amount.
Experimental provision implementation method 1 of igniting (scheme one)：
1st, jar material of igniting is transparent toughened glass；
2nd, the top center of safety glass cover is provided with relief valve, and when container inner pressure is more than 0.7MPa, relief valve is produced
Pressure release is acted；
3rd, rotation earth electrode is that (SUS 304 makes 20 to a kind of metal plate from the rotation of center distance direction of principal axis 7mm places
The square metal plate electrode of × 30mm)；
4th, sparking electrode is fixed, it is determined that electric discharge spacing d；
5th, discharge spacing d, can be adjusted by moving up and down sparking electrode；
6th, vavuum pump is opened, ignition test container inner pressure is reached specified pressure, close vavuum pump；
7th, after the completion of vacuumizing, explosive gas to specified pressure is filled with, closes explosive gas high-pressure cylinder valve；
8th, anhydrous pure air gas high pressure cylinder valve is opened, pure air is slowly filled with；And open circulating pump simultaneously,
Monitoring explosive gas volumetric concentration；
9th, in gas replenishment process, real-time regulation explosive gas volumetric concentration to prescribed concentration, specifies mixture pressure, closes
Close high-pressure cylinder valve；
10th, after the completion of aforesaid operations, tested by the test method of regulation；
11st, in process of the test, by monitoring to earth-current (or one noninductive resistance of concatenation, monitoring voltage), realize to putting
The monitoring of electric flux.
Experimental provision implementation method 2 of igniting (scheme two)：
1st, jar material of igniting is transparent toughened glass；
2nd, the top center of safety glass cover is provided with relief valve, and when container inner pressure is more than 0.7MPa, relief valve is produced
Pressure release is acted；
3rd, rotation earth electrode is that (SUS 304 makes 20 to a kind of metal plate from the rotation of center distance direction of principal axis 7mm places
The square metal plate electrode of × 30mm)；
4th, sparking electrode is fixed, it is determined that electric discharge spacing d；
5th, discharge spacing d, can be adjusted by moving up and down sparking electrode；
6th, vavuum pump is opened, ignition test container inner pressure is reached specified pressure, close vavuum pump；
7th, after the completion of vacuumizing, explosive gas and anhydrous pure air high-pressure cylinder valve are opened respectively；
8th, mixing air pump is opened, is extracted and mixed explosion gas and anhydrous pure air；
9th, in gas replenishment process, explosive gas volumetric concentration is adjusted to prescribed concentration, when specified mixture pressure is reached,
Successively close mixing air pump, high-pressure cylinder valve；
10th, circulating pump is opened, the explosive gas in test chamber is sufficiently mixed with air in whole process of the test
11st, after the completion of aforesaid operations, tested by the test method of regulation；
12nd, in process of the test, by monitoring to earth-current (or one noninductive resistance of concatenation, monitoring voltage), realize to putting
The monitoring of electric flux.
Because the utility model is using adjustable electric discharge spacing, controllable explosive gas volumetric concentration regulation, and
Adjustable electrode closing speed, can obtain producing the minimum discharge current of the explosion time that ignites, and whole device and test method are carried
More perfect test parameters, particularly electrode closing speed are supplied, the development to explosion-proof type Xelminator is significant.
The utility model can be widely used for manufacture and the explosion-proof performance testing field of explosion-proof type static eraser.
Claims (9)
1. a kind of static discharge ignites experimental provision, it is characterized in that：
One closed ignition test container is set, and described ignition test container has a transparent safety glass cover；
One relief valve is set on safety glass cover；
One rotation earth electrode and an experiment sparking electrode are set in ignition test container；
Described experiment sparking electrode is d with the distance between earth electrode is rotated, and relative to the rotation of rotation earth electrode
Shaft axis are eccentric, right angle setting；
Described rotation earth electrode is a square metal plate electrode, drives it to rotate by a motor；
The rotary shaft of motor is connected by the second insulator with switching ground electrode；
Described experiment sparking electrode is arranged on the top of square metal plate electrode；
Described experiment sparking electrode is connected with the consumer appliance outside ignition test container；
Consumer appliance is connected with supply unit；
One circulating pump, the inlet tube of circulating pump and the outlet of circulating pump and the closed ignition test container phase are set
It is logical；
The first pipeline and second pipe is set to be connected with closed ignition test container；
A vavuum pump is set to be connected with the first pipeline；
One explosive gas source is set and an air-source is connected with second pipe；
One pressure sensor is set in ignition test container.
2. ignited experimental provision according to the static discharge described in claim 1, it is characterized in that the circulating pump outlet or
On inlet tube, a gas sensor is set.
3. ignited experimental provision according to the static discharge described in claim 1, it is characterized in that in the experiment sparking electrode
Lead is passed through at ignition test container, sets the first insulator.
4. ignited experimental provision according to the static discharge described in claim 1, it is characterized in that on the rotation earth electrode and ground
Between, a noninductive resistance, the two ends of noninductive resistance are set, and connect an oscillograph.
5. ignited experimental provision according to the static discharge described in claim 1, it is characterized in that in described explosive gas source, sky
Between source of the gas and second pipe, a mixing pump is set, the is re-fed into after described explosive gas source is mixed with air-source
Two pipelines；Gas sensor is provided with described second pipe.
6. ignited experimental provision according to the static discharge described in claim 5, it is characterized in that described experiment sparking electrode with
The distance between rotation earth electrode d is 0.1-20mm, and the vertical peace at the rotation axis 10mm of distance rotation earth electrode
Dress.
7. ignited experimental provision according to the static discharge described in claim 1, it is characterized in that described ignition test container has
One transparent safety glass cover and a hard floor, the rotary shaft of described motor are set through hard floor.
8. ignited experimental provision according to the static discharge described in claim 7, it is characterized in that the inlet tube of the circulating pump and going out
Hard floor described in mouth Guan Jing is communicated with ignition test interior of the container, and the first described pipeline and second pipe are through described
Hard floor communicated with ignition test interior of the container.
9. ignited experimental provision according to the static discharge described in claim 7, it is characterized in that the experiment sparking electrode draws
Line is set through described hard floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017373.0U CN206223737U (en) | 2016-08-31 | 2016-08-31 | A kind of static discharge ignites experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017373.0U CN206223737U (en) | 2016-08-31 | 2016-08-31 | A kind of static discharge ignites experimental provision |
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| Publication Number | Publication Date |
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| CN206223737U true CN206223737U (en) | 2017-06-06 |
Family
ID=58782147
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| CN201621017373.0U Withdrawn - After Issue CN206223737U (en) | 2016-08-31 | 2016-08-31 | A kind of static discharge ignites experimental provision |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404986A (en) * | 2016-08-31 | 2017-02-15 | 上海安平静电科技有限公司 | Test device and test method for electrostatic discharge ignition |
| CN107490654A (en) * | 2017-09-28 | 2017-12-19 | 合肥航太电物理技术有限公司 | A kind of quick-release type high-pressure installation for pure oxygen environment static discharge ignition test |
| CN107589215A (en) * | 2017-09-28 | 2018-01-16 | 合肥航太电物理技术有限公司 | A kind of visual static discharge ignites high-pressure installation |
| CN109655520A (en) * | 2019-01-29 | 2019-04-19 | 中煤科工集团重庆研究院有限公司 | The test device and method of mining nonmetallic materials electrostatic safety performance |
| CN111983337A (en) * | 2019-05-24 | 2020-11-24 | 上海颀普静电科技有限公司 | Static eliminator explosion-proof experimental apparatus that discharges |
| CN113358987A (en) * | 2021-06-02 | 2021-09-07 | 中国科学技术大学 | Experimental device for igniting combustible by arc discharge |
| CN114234940A (en) * | 2021-12-16 | 2022-03-25 | 国网四川省电力公司电力科学研究院 | System and method for measuring tree line discharge basic data of high-voltage power line |
-
2016
- 2016-08-31 CN CN201621017373.0U patent/CN206223737U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404986A (en) * | 2016-08-31 | 2017-02-15 | 上海安平静电科技有限公司 | Test device and test method for electrostatic discharge ignition |
| CN107490654A (en) * | 2017-09-28 | 2017-12-19 | 合肥航太电物理技术有限公司 | A kind of quick-release type high-pressure installation for pure oxygen environment static discharge ignition test |
| CN107589215A (en) * | 2017-09-28 | 2018-01-16 | 合肥航太电物理技术有限公司 | A kind of visual static discharge ignites high-pressure installation |
| CN107490654B (en) * | 2017-09-28 | 2023-01-31 | 合肥航太电物理技术有限公司 | Quick-release high-voltage device for electrostatic discharge ignition test performance in pure oxygen environment |
| CN109655520A (en) * | 2019-01-29 | 2019-04-19 | 中煤科工集团重庆研究院有限公司 | The test device and method of mining nonmetallic materials electrostatic safety performance |
| CN111983337A (en) * | 2019-05-24 | 2020-11-24 | 上海颀普静电科技有限公司 | Static eliminator explosion-proof experimental apparatus that discharges |
| CN113358987A (en) * | 2021-06-02 | 2021-09-07 | 中国科学技术大学 | Experimental device for igniting combustible by arc discharge |
| CN114234940A (en) * | 2021-12-16 | 2022-03-25 | 国网四川省电力公司电力科学研究院 | System and method for measuring tree line discharge basic data of high-voltage power line |
| CN114234940B (en) * | 2021-12-16 | 2023-08-15 | 国网四川省电力公司电力科学研究院 | Measurement system and method for tree line discharge basic data of high-voltage power line |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20181106 |