CN109188136A - Static characteristic experimental system - Google Patents
Static characteristic experimental system Download PDFInfo
- Publication number
- CN109188136A CN109188136A CN201811045130.1A CN201811045130A CN109188136A CN 109188136 A CN109188136 A CN 109188136A CN 201811045130 A CN201811045130 A CN 201811045130A CN 109188136 A CN109188136 A CN 109188136A
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- closed container
- electrostatic
- experimental provision
- static characteristic
- experimental system
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of static characteristic experimental systems, including experiment porch and the polarized charged electrostatic electrification experimental provision being arranged on the experiment porch and contact separation electrostatic electrification experimental provision；The polarized charged electrostatic electrification experimental provision includes the first closed container, high voltage direct current generator, electrode and the first electrostatic transducer, the electrode is arranged in first closed container and connect with the high voltage direct current generator, and first electrostatic transducer is arranged in first closed container；The contact separation electrostatic electrification experimental provision includes supporting table, is under pressure the pressure sensor and the second electrostatic transducer of size for test specimen to be compressed press mechanism on the supporting table, is used to measure test specimen.The configuration of the present invention is simple is easy production, easy to use, can quickly measure charge capacity of the material in voltage of electric field, can also quickly measure the basic of material can charged characteristic.
Description
Technical field
The present invention relates to testing equipments, relate in particular to a kind of static characteristic experimental system.
Background technique
A lot of oxygen system fire explosions are recurred in recent years, reflect that China is pacified in aviation high pressure oxygen system
The work missing of complete and fire hazard demonstration aspect, system risk understanding is in urgent need to be improved, (the oxygen system choosing of associated safety field
Material, design, processing, operation and fire extinguishing) basic research obviously lag.
But adaptability demonstration ability and security verification evaluation work are current or at the early-stage at present, hyperbaric oxygen system
The basic design experiences by the low oxygen system with reference to before of system research and development.Accident should just have that material selection is improper and safety
The inadequate problem of testing and verification.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can quickly measure lotus of the material in voltage of electric field
Electric energy power, quickly measure material it is basic can charged characteristic static characteristic experimental system.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: static characteristic experimental system, including experiment
Platform and the polarized charged electrostatic electrification experimental provision being arranged on the experiment porch and contact separation electrostatic electrification experiment
Device；
The polarized charged electrostatic electrification experimental provision includes the first closed container, high voltage direct current generator, electrode and the
One electrostatic transducer, the electrode is arranged in first closed container and connect with the high voltage direct current generator, described
First electrostatic transducer is arranged in first closed container；
The contact separation electrostatic electrification experimental provision includes supporting table, for compressing on the supporting table test specimen
Press mechanism is under pressure the pressure sensor and the second electrostatic transducer of size for measuring test specimen.
It further, further include that the static discharge being arranged on the experiment porch ignites experimental provision, the electrostatic is put
Electricity ignite experimental provision include the second closed container, electrostatic energy controller and oxygen supply mechanism, the electrostatic energy controller with
High voltage direct current generator connection, the electrostatic energy controller and is above connected with conductive component, and the one of the conductive component
End is protruded into the inner cavity of second closed container, and the oxygen supply mechanism is arranged outside second closed container, the oxygen supply
The gas outlet of mechanism is connected to second closed container.
Further, second closed container is equipped with exhaust outlet, and the exhaust outlet connects exhaust pipe, the exhaust pipe
It is equipped with first check-valve.
Further, the oxygen system includes oxygen generator, and second closed container is equipped with air inlet, described
Air inlet pipe, the air inlet pipe are connected between the air inlet on the gas outlet of oxygen generator and second closed container
It is equipped with second check-valve.
Further, the experiment porch by antistatic workbench and is laid on the table top of the antistatic workbench
Electro-insulating rubber pad is constituted.
It further, further include control system, the control system includes industrial personal computer and PLC rack.
Further, the polarized charged electrostatic electrification experimental provision, the contact separation electrostatic electrification experimental provision and
The static discharge experimental provision that ignites further includes Hygrothermograph for measuring the temperature and humidity of corresponding test site.
Further, first closed container is equipped with inflating port, for into the inner cavity of first closed container
Gas is passed through to simulate the using gas environment of test specimen.
Further, the press mechanism includes support frame and is fixed on arranging on support frame as described above downwards
Press rods, the press rods are located at the top of the supporting table.
Further, the upper end of the press rods is equipped with the pressure sensor, and the pressure sensor is fixed on described
On support frame.
The beneficial effects of the present invention are embodied in:
The configuration of the present invention is simple is easy production, easy to use, and it is charged in voltage of electric field can quickly to measure material
Ability sorts for experimental data common used material chargeability, and the selection for being further material in voltage of electric field provides reference
Value, can also quickly measure material it is basic can charged characteristic, test data for common used material chargeability sequence, be
It selects to provide reference value when nonmetallic materials.
The present invention can simulate the charged energy of the test material under the varying environments such as standard atmospheric pressure, pure oxygen, high pressure oxygen
Power, electrostatic electrification ability and electrostatic ignite the device of situation, and test data designs the selection of nonmetallic materials, fluid velocity
And the design of sealing material has stronger improvement reference value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
The label of each component in attached drawing are as follows:
11 first closed containers, 111 inflating ports, 12 high voltage direct current generators, 13 electrodes, 131 binding posts, 14 first electrostatic
Sensor；
21 second electrostatic transducers, 22 press mechanisms, 221 press rods, 222 perpendicular struts, 223 singletrees, 224 briquettings, 23
Pressure sensor, 24 supporting tables；
31 second closed containers, 311 exhaust outlets, 312 air inlets, 313 observation windows, 32 electrostatic energy controllers, 33 oxygen supplys
System, 331 oxygen generators, 332 air inlet pipe, 333 second check-valves, 334 filters, 335 pressure regulator valves, 336 second pressure gauges,
341 exhaust pipes, 342 first check-valves, 343 first pressure gauges；
41 Hygrothermographs, 42 displays, 43 electro-insulating rubber pads；
51 industrial personal computers, 52PLC cabinet, 10 experiment porch, 101 antistatic workbenches, 20 test specimens.
Specific embodiment
It is next below with reference to the accompanying drawings that the present invention will be described in detail.It should be noted that in the absence of conflict, in the application
Embodiment and embodiment in feature can be combined with each other.
Referring to Fig. 1.
The present invention includes experiment porch 10 and the polarized charged electrostatic electrification being arranged on the experiment porch 10 experiment
Device and contact separation electrostatic electrification experimental provision；
The polarized charged electrostatic electrification experimental provision includes:
First closed container 11, inner cavity is as experimental place；
High voltage direct current generator 12 is arranged outside first closed container 11, for generating high direct voltage；
Electrode 13 is arranged in first closed container 11, connect with the high voltage direct current generator 12, is used for institute
The high direct voltage for stating the generation of high voltage direct current generator 12 is discharged on test specimen, makes test specimen polarized charged；
First electrostatic transducer 14 is arranged in first closed container 11, for measuring test specimen electrostatic precipitation situation.
In use, test specimen 20 is put into the first closed container, and it test specimen is connect with electrode (can be connected by conductive pieces
Connect or both and directly to connect), then start high voltage direct current generator, makes test specimen polarized charged, then pass by the first electrostatic
Sensor can measure the electrostatic precipitation situation of test specimen, obtain charge capacity of the material in voltage of electric field.
The contact separation electrostatic electrification experimental provision includes:
Supporting table 24, the press mechanism 22 for test specimen to be pressed in the supporting table 24, be used to measure test specimen by
The pressure sensor 23 of pressure size and the second electrostatic transducer 21.
Two kinds of object contacts, distance is less than 25 × 10 therebetween-8When cm, since the ability of not homoatomic receiving and losing electrons is different,
The energy level of different atoms outermost electronics is different, and the transfer of electronics occurs therebetween.Therefore, interface two sides will appear it is equal in magnitude,
Opposite polarity two layer charge.This two layer charge is known as electric double layer, and potential difference therebetween is known as contact electromotive force.According to electric double layer
With the theory of contact electromotive force, when can deduce that the close contact of two kinds of substances separates again, it is possible to generate electrostatic.
The present invention is according to above-mentioned principle, in use, taking two pieces of test specimens, one piece is placed on testing stand, and another piece is fixed on
The pressing end of press mechanism, electrostatic transducer is placed in measurement range, starts press mechanism later, and two pieces of test specimens are pressed from both sides
Tightly, a period of time is kept, then replys press mechanism, the electrostatic precipitation situation of test specimen is obtained by electrostatic transducer.
Different pressures value and different pressure times are applied to testpieces by setting, then test specimen is measured by electrostatic transducer
Surface electrostatic deposition, can measure the basic of material can charged characteristic.
It in one embodiment, further include that the static discharge being arranged on the experiment porch 10 ignites experimental provision, it is described
The static discharge experimental provision that ignites includes:
Second closed container 31, inner cavity is as experimental place；
Electrostatic energy controller 32 connect with the high voltage direct current generator 12, is connected with conductive component thereon, described to lead
One end of electrical components is protruded into the inner cavity of second closed container 31, quiet for generating the high voltage direct current generator 12
Electricity is sent into the inner cavity of second closed container 31 after adjusting electricity；
Oxygen system 33 is arranged outside the closed container 1, and gas outlet is connected to second closed container 31, is used for
Oxygen is sent into the inner cavity of second closed container 31.
In use, test specimen is put into the second closed container, and one end of conductive component is connect with test specimen, is then started
High voltage direct current generator and electrostatic energy controller, charge test specimen, and start oxygen system simultaneously into the second closed container
It is sent into oxygen, the electrostatic for observing test specimen ignites situation, ignites situation by measuring electrostatic of the test specimen in different oxygen pressures, can
To ignite sensitivity assessment for mechanism electrostatic, the selection of nonmetallic materials, fluid velocity designed and sealing material is set
Meter has stronger improvement reference value, avoid working normally in there is abnormal electrostatic and gather.
In specific implementation, the voltage range for the high direct voltage that high voltage direct current generator generates is set according to the testing requirement of material
It sets.The effect of electrostatic energy controller is to control the release of electrostatic energy.
In one embodiment, first closed container 11 is equipped with inflating port 111, inflating port 111 and the aerator
The gas outlet of structure is connected to.In some cases, material is not used under atmospheric environment, and is used under special gas environment, such as
Inflating port is arranged on the first closed container and connect with oxygen supply mechanism for pure oxygen environment etc., therefore, the present invention, for closed to first
Oxygen is filled in container and is simulated close to true using gas environment, with the reliability of guarantee test.
In one embodiment, the electrode 13 is plate electrode 13.Plate electrode is common experimental Electrode, is had good
Good electric conductivity and extremely strong resistance to pressure.
In one embodiment, the top of the electrode 13 is equipped with binding post 131, and the electrode 13 passes through the binding post
131 connect with the high voltage direct current generator 12.It designs in this way, facilitates connection, practicability is more preferable.
In one embodiment, the press mechanism 22 includes the support frame being fixed in supporting table 24 and is fixed on described
The press rods 221 arranged downwards on support frame, the press rods 221 are located at the top of the supporting table.Press rods are stretched
It is long, realize compression movement, press rods retract, and reset designs in this way, and structure is simple, are easy production, and it is easy to operate, it is practical
Property it is high.Press rods can be oil cylinder or cylinder or other telescopic rod-shaped equipment.
In one embodiment, support frame as described above includes the perpendicular strut that two intervals are fixed on the table top of the supporting table
222 and the singletree 223 that is connected between two perpendicular struts 222, the press rods 221 be fixed on the singletree
On 223.The support frame structure of this structure is simple, occupies little space, and is easy to cooperate with press rods, uses convenient for manipulation.
In one embodiment, the upper end of the press rods 221 is equipped with the pressure sensor 23, the pressure sensor 23
It is fixed on support frame as described above.It designs in this way, can accurately measure test specimen pressure size, and structure is simple, not shadow
It rings and compresses operation.
In one embodiment, the lower end of the press rods 221 is equipped with briquetting 224.Briquetting is used to increase the contact with test specimen
Area improves the comprehensive of compression.
In one embodiment, the motor for driving the press rods 221 is equipped in the experiment porch 10.
In one embodiment, second closed container 31 is equipped with exhaust outlet 311, the connection of exhaust outlet 311 exhaust
Pipe 341, the exhaust pipe 341 are equipped with first check-valve 342.It designs in this way, it can be by being vented come regulation and control container
Interior oxygen pressure, first check-valve is for preventing gas backflow.
In one embodiment, it is additionally provided with first pressure gauge 343 on the exhaust pipe 341, for measuring container oxygen pressure.
In one embodiment, the oxygen system 33 includes oxygen generator 331, and second closed container 31 is equipped with
Air inlet 312, between the air inlet 312 on the gas outlet of the oxygen generator 331 and second closed container 31
It is connected with air inlet pipe 332, the air inlet pipe 332 is equipped with second check-valve 333.This oxygen system, oxygen supply is convenient, Er Qierong
It is easy to control.
In one embodiment, the air inlet pipe 332 is equipped with filter 334.Filter is used to filter the impurity in oxygen,
It avoids interfering test.
In one embodiment, the air inlet pipe 332 is equipped with pressure regulator valve 335 and second pressure gauge 336.It designs in this way, it can
To be conveniently adjusted the pressure and record of oxygen.
In one embodiment, second closed container 31 is equipped with observation window 313.Observation window is for intuitively observing test specimen
Combustion case.
In specific implementation, second closed container 31 can be used Steel material and be made, and be able to bear the air pressure of increasing.
In one embodiment, the polarized charged electrostatic electrification experimental provision, contact separation electrostatic electrification experiment dress
Setting with the static discharge experimental provision that ignites further includes Hygrothermograph 41 for measuring the temperature and humidity of corresponding test site.
Influence convenient for test ambient temperature and humidity to material charge capacity is also convenient for simulating the true using temperature and wet of test specimen
Spend environment.Preferably, the Hygrothermograph 41 of the polarized charged electrostatic electrification experimental provision is set in the first closed container, described
The ignite Hygrothermograph 41 of experimental provision of static discharge is set in the second closed container, and contact separation electrostatic electrification experiment fills
The Hygrothermograph 41 set is arranged near test specimen.
It in one embodiment, further include display 42, first electrostatic transducer 14 and second electrostatic transducer
21 connect with the display 42.It is used to show the testing result of each electrostatic transducer in display, intuitively facilitates.
It in one embodiment, further include control system, the control system includes industrial personal computer 51 and PLC rack 52, for controlling
The switch of electrical equipment processed and pressure, static content, the temperature and humidity parameter in experimentation are controlled, acquired and shown.
In one embodiment, the experiment porch by antistatic workbench 101 and is laid on the antistatic workbench 101
Table top on electro-insulating rubber pad constitute.The bottom of the antistatic workbench is equipped with the bracket using high-quality steel pipe support, table
The processes such as derusting, phosphatization, electrostatic plastic spraying, hot setting are passed through in face, have the function of waterproof, wear-resisting, high temperature resistant.
In one embodiment, the bottom of the inner cavity of first closed container 11, the second closed container 31 inner cavity bottom
It is respectively equipped with electro-insulating rubber pad 43 on the table top of portion and supporting table 24, when experiment, test specimen is placed on corresponding electro-insulating rubber pad 43.
Electro-insulating rubber paves the effect of insulation, prevents other components from interfering to the test of test specimen.
First closed container 11 needs to bear certain air pressure, in specific implementation, the material of the main body frame of the first closed container
Matter selects stainless steel 304, has the advantages that high-intensitive and stability, four peripheral walls are made of tempered glass panel, good airproof performance,
And convenient for observation.
In specific implementation, electro-insulating rubber pad 43 and high voltage direct current generator 12 do ground connection setting, to improve safety；It is closed
The configurable opening of container and the container cover for sealed opening, for being put into test specimen.
It should be understood that example as described herein and embodiment are not intended to restrict the invention, this field only for explanation
Technical staff can make various modifications or variation according to it, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. static characteristic experimental system, it is characterised in that: including experiment porch and the polarization being arranged on the experiment porch
Charge electrostatic electrification experimental provision and contact separation electrostatic electrification experimental provision；
The polarized charged electrostatic electrification experimental provision includes that the first closed container, high voltage direct current generator, electrode and first are quiet
Electric transducer, the electrode are arranged in first closed container and connect with the high voltage direct current generator, described first
Electrostatic transducer is arranged in first closed container；
The contact separation electrostatic electrification experimental provision includes supporting table, for the pushing by test specimen compression on the supporting table
Mechanism is under pressure the pressure sensor and the second electrostatic transducer of size for measuring test specimen.
2. static characteristic experimental system as described in claim 1, it is characterised in that: further include being arranged on the experiment porch
Static discharge ignite experimental provision, the static discharge experimental provision that ignites includes that the second closed container, electrostatic energy control
Device and oxygen supply mechanism, the electrostatic energy controller connect with the high voltage direct current generator, the electrostatic energy controller and
On be connected with conductive component, one end of the conductive component is protruded into the inner cavity of second closed container, the oxygen supply mechanism
It is arranged outside second closed container, the gas outlet of the oxygen supply mechanism is connected to second closed container.
3. static characteristic experimental system as claimed in claim 2, it is characterised in that: second closed container is equipped with exhaust
Mouthful, the exhaust outlet connects exhaust pipe, and the exhaust pipe is equipped with first check-valve.
4. static characteristic experimental system as claimed in claim 2, it is characterised in that: the oxygen system includes oxygen
Device, second closed container are equipped with air inlet, on the gas outlet of the oxygen generator and second closed container
Air inlet pipe is connected between the air inlet, the air inlet pipe is equipped with second check-valve.
5. static characteristic experimental system according to any one of claims 1 to 4, it is characterised in that: the experiment porch by
Antistatic workbench and the electro-insulating rubber pad being laid on the table top of the antistatic workbench are constituted.
6. static characteristic experimental system according to any one of claims 1 to 4, it is characterised in that: it further include control system,
The control system includes industrial personal computer and PLC rack.
7. static characteristic experimental system as claimed in claim 2, it is characterised in that: the polarized charged electrostatic electrification experiment dress
It sets, the contact separation electrostatic electrification experimental provision and the static discharge experimental provision that ignites further include for measuring corresponding test
The Hygrothermograph of the temperature and humidity in place.
8. static characteristic experimental system according to any one of claims 1 to 4, it is characterised in that: the first closed appearance
Device is equipped with inflating port, and the inflating port is connected to the gas outlet of the oxygen supply mechanism.
9. static characteristic experimental system according to any one of claims 1 to 4, it is characterised in that: the press mechanism packet
The press rods arranged downwards for including support frame and being fixed on support frame as described above, the press rods are located at the supporting table
Top.
10. static characteristic experimental system as claimed in claim 9, it is characterised in that: the upper end of the press rods is equipped with described
Pressure sensor, the pressure sensor are fixed on support frame as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045130.1A CN109188136A (en) | 2018-09-07 | 2018-09-07 | Static characteristic experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045130.1A CN109188136A (en) | 2018-09-07 | 2018-09-07 | Static characteristic experimental system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109188136A true CN109188136A (en) | 2019-01-11 |
Family
ID=64915523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811045130.1A Pending CN109188136A (en) | 2018-09-07 | 2018-09-07 | Static characteristic experimental system |
Country Status (1)
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| CN (1) | CN109188136A (en) |
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Application publication date: 20190111 |