CN111983337A - Static eliminator explosion-proof experimental apparatus that discharges - Google Patents
Static eliminator explosion-proof experimental apparatus that discharges Download PDFInfo
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- CN111983337A CN111983337A CN201910440701.XA CN201910440701A CN111983337A CN 111983337 A CN111983337 A CN 111983337A CN 201910440701 A CN201910440701 A CN 201910440701A CN 111983337 A CN111983337 A CN 111983337A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a discharge explosion-proof experimental device of an electrostatic eliminator, which comprises an explosion-proof sealed experimental container, a discharge electrode needle and a rotary grounding electrode, wherein the discharge electrode needle and the rotary grounding electrode are arranged in the explosion-proof sealed experimental container, the discharge electrode needle is arranged above the rotary grounding electrode, the rotary grounding electrode is connected with a rotating shaft of a speed regulating motor, the rotating shaft is connected with the rotary grounding electrode through a first insulator, the explosion-proof sealed experimental container is provided with a first pipeline and a second pipeline, the first pipeline is connected with a vacuum pump, the second pipeline is connected with an explosive mixed gas source, the rotary grounding electrode is connected with a current detector through a first lead wire, the discharge electrode needle is respectively connected with a high-voltage power supply and a voltage detector through a second lead wire, one side of the first insulator is provided with a first contact sensor, and the outside. The invention provides a discharge explosion-proof experimental device of a static eliminator, which solves the problems that the specific parameters of the static explosion-proof performance cannot be directly reflected in the prior art and the like.
Description
Technical Field
The invention relates to the field of static elimination, in particular to a discharge explosion-proof experimental device of a static eliminator.
Background
The prior similar experimental device can not give detailed guidance parameters for explosion-proof detection experiments of the explosion-proof static eliminator, and the prior explosion-proof detection device can not directly reflect specific parameters of static explosion-proof performance, such as specific values of output voltage of the explosion-proof static eliminator and operation conditions in a normal voltage fluctuation range, only by considering mechanical structures, such as a combustible gas mixing pipeline structure, and adjustment of the distance between a discharge needle and a grounding electrode.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a discharge explosion-proof experimental apparatus for electrostatic eliminator, which is used to solve the problems in the prior art that the specific parameters of the electrostatic explosion-proof performance cannot be directly reflected.
In order to achieve the above and other related objects, the present invention provides an electrostatic eliminator discharge explosion-proof experimental apparatus, which comprises an explosion-proof sealed experimental container, a discharge electrode needle and a rotary grounding electrode, wherein the explosion-proof sealed experimental container comprises a stainless steel cover and a circular sealing cover arranged on the stainless steel cover, the discharge electrode needle and the rotary grounding electrode are arranged in the explosion-proof sealed experimental container, the discharge electrode needle is arranged above the rotary grounding electrode, a 0.5MM gap is arranged between the discharge electrode needle and the rotary grounding electrode, the rotary grounding electrode is a sus304 20 × 30MM triangular metal flat plate, the rotary grounding electrode is connected with a rotating shaft of a speed regulating motor, the discharge electrode needle is vertically arranged at a position 10MM away from the rotating shaft of the rotary grounding electrode, the rotating shaft is connected with the rotary grounding electrode through a first insulator, the explosion-proof sealed experimental container is provided with a first pipeline and a second pipeline, the utility model discloses a high pressure electric source, including first pipeline and vacuum pump, the second pipeline is connected with explosive mixed gas source, rotatory telluric electricity field is connected with current detector through first lead wire, be equipped with pressure sensor and gas sensor in the explosion-proof sealed experiment container, discharge electrode needle passes through the second lead wire and is connected with high voltage power supply and voltage detector respectively, one side of first insulator is equipped with first contact pick-up, circular sealed lid is equipped with second contact pick-up outward, current detector, voltage detector, pressure sensor, gas sensor, first contact pick-up, second contact pick-up are connected with data collection station respectively, high voltage power supply and buncher are connected with the controller respectively, controller and data collection station are connected with host computer PC respectively.
The further improvement is that the stainless steel cover is provided with an observation window.
The further improvement is that the round sealing cover is provided with a spring pressure mechanism.
The further improvement is that the discharge electrode needle is respectively connected with a high-voltage power supply and a voltage detector through a second lead, and a second insulator is arranged at the position, where the second lead passes through the explosion-proof sealed experiment container.
The further improvement is that the pressure sensor is an explosion-proof pressure sensor, and the gas sensor is an explosion-proof gas sensor.
The invention also provides an experimental method of the electrostatic eliminator discharge explosion-proof experimental device, which comprises the following steps:
s1, arranging a discharge electrode needle in the explosion-proof sealed experimental container, and connecting a second lead to a high-voltage power supply;
s2, operating a vacuum pump to vacuumize the explosion-proof sealed experimental container;
s3, filling the explosive mixed gas into the explosion-proof sealed experimental container through a second pipeline, and detecting the pressure value and the explosive gas concentration in the explosion-proof sealed experimental container through the explosion-proof pressure sensor and the explosion-proof gas sensor;
s4, setting a voltage value and starting a test by an upper computer PC after the pressure value and the explosive gas concentration reach set values;
S5: the controller starts the speed regulating motor, the first contact sensor detects the rotating speed of the speed regulating motor, and the rotating grounding electrode starts to rotate, so that the rotating grounding electrode vertically faces the discharge electrode needle to rotate.
S6: when the rotary grounding electrode rotates to the position below the discharge electrode needle, the current detector detects the maximum discharge current and records the maximum discharge current on an upper computer PC;
s7: rotating the rotary grounding electrode for 100 times, rotating at a speed of 30 times per minute, slowly increasing the voltage of the high-voltage power supply to the discharge electrode needle, observing whether explosion occurs in the explosion-proof sealed experimental container, stopping the experiment if explosion occurs, and transmitting current and voltage values detected by the current detector and the voltage detector to an upper computer PC;
s8: repeating the steps of S1-S7 for 10 times, and storing accurate effective data on an upper computer PC through a large number of verification tests and intelligent analysis to establish an explosion-proof numerical database.
Compared with the prior art, the explosion-proof sealed experiment container has the advantages that the explosion generated in the explosion-proof sealed experiment container can be well captured by arranging the second contact sensor, the voltage and the current value during and before the explosion can be well recorded by the upper computer PC through the cooperation of the second contact sensor, the current detector and the voltage detector, accurate effective data can be stored on the upper computer PC through repeated tests, the explosion-proof numerical database is established, and the explosion-proof sealed experiment container has high practical value.
Drawings
FIG. 1 is a schematic structural diagram of an experimental apparatus for discharge explosion prevention of electrostatic eliminator;
FIG. 2 is a connection block diagram of a data collector;
FIG. 3 is a connection block diagram of the controller;
fig. 4 is a connection block diagram of the upper computer PC.
Reference is made to the following in corresponding reference numbers in the drawings of the specification:
1. a circular sealing cover; 2. a stainless steel cover; 3. an observation window; 4. an explosion-proof sealed experimental container; 5. discharging an electrode needle; 6. rotating the ground electrode; 7. a pressure sensor; 8. a gas sensor; 9. a second insulator; 10. a first contact sensor; 11. a first insulator; 12. a speed-regulating motor; 13. a current detector; 14. a voltage detector; 15. a high voltage power supply; 16. a spring pressure mechanism; 17. a second contact sensor; 18. a first conduit; 19. a second conduit; 20. a vacuum pump; 21. a source of explosive mixing gas; 22. a data acquisition unit; 23. a controller; 24. and an upper computer PC.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in fig. 1, 2, 3 and 4, the first embodiment of the invention provides a static eliminator discharge explosion-proof experimental device, which comprises an explosion-proof sealed experimental container 4, a discharge electrode needle 5 and a rotary grounding electrode 6,
Wherein, the explosion-proof sealed experimental container 4 comprises a stainless steel cover 2 and a circular sealing cover 1 arranged on the stainless steel cover 2, a discharge electrode needle 5 and a rotary grounding electrode 6 are arranged in the explosion-proof sealed experimental container 4, the discharge electrode needle 5 is arranged above the rotary grounding electrode 6, a 0.5MM gap is arranged between the discharge electrode needle 5 and the rotary grounding electrode 6, the rotary grounding electrode 6 is a sus304 triangular metal flat plate with 20 × 30MM, the rotary grounding electrode 6 is connected with a rotating shaft of a speed regulating motor 12, the speed regulating motor 12 drives the rotary grounding electrode 6 to rotate, the discharge electrode needle 5 is vertically arranged at a position 10MM away from the rotating axis of the rotary grounding electrode 6, the rotating shaft is connected with the rotary grounding electrode 6 through a first insulator 11, the explosion-proof sealed experimental container 4 is provided with a first pipeline 18 and a second pipeline 19, the first pipeline 18 is connected with a vacuum pump 20, the inside of the explosion-proof sealed experimental container, change pressure, second pipeline 19 is connected with explosive mixture gas source 21, can pour into explosive mixture gas through explosive mixture gas source 21 to explosion-proof sealed experiment container 4, is equipped with observation window 3 on the stainless steel cover 2, through the condition in the explosion-proof sealed experiment container 4 of observation that observation window 3 can be fine.
The rotary grounding electrode 6 is connected with a current detector 13 through a first lead wire, a pressure sensor 7 and a gas sensor 8 are arranged in the explosion-proof sealed experiment container 4, the pressure sensor 7 can detect the pressure in the explosion-proof sealed experiment container 4, the pressure sensor 7 is an explosion-proof pressure sensor, the concentration of explosive mixed gas in the explosion-proof sealed experiment container 4 can be detected through the gas sensor 8, the gas sensor 8 is an explosion-proof gas sensor, the discharge electrode needle 5 is respectively connected with a high-voltage power supply 15 and a voltage detector 14 through a second lead wire, the discharge electrode needle 5 is supplied with power through the high-voltage power supply 15, the voltage detector 14 detects the voltage of the discharge electrode needle 5, the second lead wire is provided with a second insulator 9 through the explosion-proof sealed experiment container 4, one side of the first insulator 11 is provided with a first contact sensor 10, and the rotating speed of a motor can be detected through the first contact sensor, circular sealed lid 1 is equipped with second contact pick-up 17 outward, explodes in explosion-proof sealed experimental container 4, and second contact pick-up 17 can be fine detect circular sealed lid 1 and take place the displacement, and confirm promptly and take place the time point of exploding to be equipped with spring pressure mechanism 16 on the circular sealed lid 1, if explode, make circular sealed lid 1 not take place to drop through setting up spring pressure mechanism 16, can get back to the original place well after sending the displacement.
The current detector 13, the voltage detector 14, the pressure sensor 7, the gas sensor 8, the first contact sensor 10 and the second contact sensor 17 are respectively connected with the data acquisition unit 22, the high-voltage power supply 15 and the speed regulating motor 12 are respectively connected with the controller 23, the controller 23 and the data acquisition unit 22 are respectively connected with the upper computer PC24, and in the whole experiment process, data such as current, voltage and motor rotating speed are stored to establish an explosion-proof numerical database. On the basis of establishing an explosion-proof value database, when judging whether the static eliminator meets the requirements of explosion-proof parameters, only data of voltage and current when explosion occurs in the explosion-proof sealed experiment container 4 need to be found, the same voltage is applied to the static eliminator, and the current values are compared, if the current values are larger than the current values in the data, the current values are unqualified products, and if the current values are smaller than the current values in the data, the current values are qualified products, so that the judgment on whether the static eliminator meets the requirements of the explosion-proof parameters is more convenient.
The second embodiment of the invention provides an experimental method of a discharge explosion-proof experimental device of an electrostatic eliminator, which comprises the following steps:
s1, arranging a discharge electrode needle 5 in the explosion-proof sealed experimental container 4, and connecting a second lead to a high-voltage power supply 15;
S2, operating the vacuum pump 20 to vacuumize the explosion-proof sealed experimental container 4;
s3, filling the explosive mixed gas into the explosion-proof sealed experiment container 4 through the second pipeline 19, and detecting the pressure value and the explosive gas concentration in the explosion-proof sealed experiment container 4 through the explosion-proof type pressure sensor and the explosion-proof type gas sensor;
s4, setting a voltage value and starting a test through the PC24 when the pressure value and the explosive gas concentration reach set values;
s5: the controller 23 starts the adjustable speed motor 12, the first contact sensor 10 detects the rotating speed of the adjustable speed motor 12, and the rotating grounding electrode 6 starts to rotate, so that the rotating grounding electrode 6 vertically faces the discharge electrode needle 5 to rotate.
S6: when the rotary grounding electrode 6 rotates to the position below the discharge electrode needle 5, the current detector 13 detects the maximum discharge current and records the maximum discharge current on the upper computer PC 24;
s7: the rotary grounding electrode 6 rotates 100 times, the rotating speed is 30 times per minute, the high-voltage power supply 15 slowly increases the voltage of the discharge electrode needle 5, whether explosion occurs in the explosion-proof sealed experimental container 4 or not is observed, if explosion occurs, the experiment is stopped, and the current and voltage values detected by the current detector 13 and the voltage detector 14 are transmitted to the upper computer PC 24;
S8: repeating the steps of S1-S7 for 10 times, and storing accurate effective data on an upper computer PC24 through a large number of verification tests and intelligent analysis to establish an explosion-proof numerical database.
Specifically, an electrode discharge needle 5 is installed in an explosion-proof sealed experimental container 4, a second lead is connected to a high-voltage power supply 15, the explosion-proof sealed experimental container 4 is vacuumized by a vacuum pump 20, explosive mixed gas is filled into the explosion-proof sealed experimental container 4, when the pressure value and the explosive gas concentration in the explosion-proof sealed experimental container 4 reach set values, the experiment is started, a controller 23 starts a speed regulating motor 12, the speed regulating motor 12 drives a rotary grounding electrode 6 to start rotating, the rotary grounding electrode 6 is enabled to vertically and oppositely rotate to the electrode discharge needle 5, the speed regulating motor 12 drives the rotary grounding electrode 6 to rotate 100 times, the rotating speed is 30 times per minute, the power supply voltage of the high-voltage power supply 15 to the electrode discharge needle 5 is slowly increased, if explosion occurs, the experiment is stopped, and the current and voltage values detected by a current detector 13 and a voltage detector 14 are transmitted to an upper computer PC, through repeated experiments, a large number of verification tests and intelligent analysis, accurate effective data are stored on the PC24, and an explosion-proof numerical database is established.
In conclusion, the discharge explosion-proof experimental device for the electrostatic eliminator, disclosed by the invention, has the advantages that through repeated experiments and a large number of verification tests and intelligent analysis, accurate effective data are stored on the PC, and an explosion-proof numerical database is established, so that the judgment on whether the electrostatic eliminator meets explosion-proof parameters is more convenient and fast, and the discharge explosion-proof experimental device for the electrostatic eliminator has high practical value.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (6)
1. The utility model provides an explosion-proof experimental apparatus of static eliminator discharge, its characterized in that, includes explosion-proof sealed experiment container, discharge electrode needle, rotatory telluric electricity field, explosion-proof sealed experiment container includes the stainless steel cover and locates the circular sealed lid on the stainless steel cover, discharge electrode needle and rotatory telluric electricity field locate in the explosion-proof sealed experiment container, discharge electrode needle is in rotatory telluric electricity field top, be equipped with 0.5MM clearance between discharge electrode needle and the rotatory telluric electricity field, rotatory telluric electricity field is 20 x 30MM triangle-shaped metal flat board for sus304 material, rotatory telluric electricity field is connected with the rotation axis of buncher, discharge electrode needle is in the perpendicular installation of 10MM department apart from the rotation axis of rotatory telluric electricity field, the rotation axis pass through first insulator with rotatory telluric electricity field is connected, explosion-proof sealed experiment container is equipped with first pipeline and second pipeline, the utility model discloses a high pressure electric source, including first pipeline and vacuum pump, the second pipeline is connected with explosive mixed gas source, rotatory telluric electricity field is connected with current detector through first lead wire, be equipped with pressure sensor and gas sensor in the explosion-proof sealed experiment container, discharge electrode needle passes through the second lead wire and is connected with high voltage power supply and voltage detector respectively, one side of first insulator is equipped with first contact pick-up, circular sealed lid is equipped with second contact pick-up outward, current detector, voltage detector, pressure sensor, gas sensor, first contact pick-up, second contact pick-up are connected with data collection station respectively, high voltage power supply and buncher are connected with the controller respectively, controller and data collection station are connected with host computer PC respectively.
2. The experimental apparatus for electrostatic eliminator explosion-proof discharge as claimed in claim 1, wherein said stainless steel hood is provided with an observation window.
3. The experimental apparatus for testing explosion-proof discharge of electrostatic eliminator as claimed in claim 1, wherein said circular sealing cover is provided with a spring pressure mechanism.
4. The experimental apparatus for electrostatic eliminator explosion protection as claimed in claim 1, wherein said discharge electrode needle is connected to a high voltage power supply and a voltage detector through a second lead wire, and a second insulator is disposed on said second lead wire through said explosion-proof sealed experimental container.
5. The experimental apparatus for testing explosion-proof discharge of electrostatic eliminator as claimed in claim 1, wherein said pressure sensor is an explosion-proof type pressure sensor, and said gas sensor is an explosion-proof type gas sensor.
6. An experimental method comprising the electrostatic eliminator discharge explosion-proof experimental device of any one of claims 1 to 5, characterized by comprising the following steps:
s1, arranging a discharge electrode needle in the explosion-proof sealed experimental container, and connecting a second lead to a high-voltage power supply;
s2, operating a vacuum pump to vacuumize the explosion-proof sealed experimental container;
S3, filling the explosive mixed gas into the explosion-proof sealed experimental container through a second pipeline, and detecting the pressure value and the explosive gas concentration in the explosion-proof sealed experimental container through the explosion-proof pressure sensor and the explosion-proof gas sensor;
s4, setting a voltage value and starting a test by an upper computer PC after the pressure value and the explosive gas concentration reach set values;
s5: the controller starts the speed regulating motor, the first contact sensor detects the rotating speed of the speed regulating motor, and the rotating grounding electrode starts to rotate, so that the rotating grounding electrode vertically faces the discharge electrode needle to rotate.
S6: when the rotary grounding electrode rotates to the position below the discharge electrode needle, the current detector detects the maximum discharge current and records the maximum discharge current on an upper computer PC;
s7: rotating the rotary grounding electrode for 100 times, rotating at a speed of 30 times per minute, slowly increasing the voltage of the high-voltage power supply to the discharge electrode needle, observing whether explosion occurs in the explosion-proof sealed experimental container, stopping the experiment if explosion occurs, and transmitting current and voltage values detected by the current detector and the voltage detector to an upper computer PC;
s8: repeating the steps of S1-S7 for 10 times, and storing accurate effective data on an upper computer PC through a large number of verification tests and intelligent analysis to establish an explosion-proof numerical database.
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| CN201910440701.XA CN111983337A (en) | 2019-05-24 | 2019-05-24 | Static eliminator explosion-proof experimental apparatus that discharges |
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| CN201910440701.XA CN111983337A (en) | 2019-05-24 | 2019-05-24 | Static eliminator explosion-proof experimental apparatus that discharges |
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Application publication date: 20201124 |
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