CN206804812U - A kind of vacuum experiment device for being used to measure gas Townsend discharge parameter - Google Patents
A kind of vacuum experiment device for being used to measure gas Townsend discharge parameter Download PDFInfo
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- CN206804812U CN206804812U CN201720364251.7U CN201720364251U CN206804812U CN 206804812 U CN206804812 U CN 206804812U CN 201720364251 U CN201720364251 U CN 201720364251U CN 206804812 U CN206804812 U CN 206804812U
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- vacuum
- discharge room
- vacuum discharge
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- bottom electrode
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Abstract
It the utility model is related to the research field of gas discharge and gas-insulated performance,Especially a kind of vacuum experiment device for being used to measure gas Townsend discharge parameter,The technical problem that the utility model solves is to meet the measurement request of Townsend discharge parameter,Technical solutions of the utility model pass through to cover on arc chamber including photoelectricity binary channel high pressure sealing sleeve pipe to be connected with discharging gap,Sieve can Paderewski Top electrode be provided with and excite electronic portal,Optical mirror slip is replaceable design,Arc chamber is connected by vacuum flapper valve by connecting air flue with vacuum system,Sealing transmission bag is installed on arc chamber lower cover both sides,Discharging gap is connected by bottom electrode connecting line with vacuum electrode,Clearance distance is changed by screw rod lifting,Auxiliary port is provided with each locking space,Vacuum degree regulator is inflated by sample introduction air flue for arc chamber,Vacuum discharge room offers extension observation window,Main observation window,Extend connector,Each opening contact surface is sealed using fluorine glue O-ring seal.
Description
Technical field
The research field of gas discharge mechanism and gas insulating properties is the utility model is related to, it is especially a kind of to be used to measure
The vacuum experiment device of gas Townsend discharge parameter.
Background technology
The Townsend discharge parameter of gas can be used for characterizing ability and insulating properties that gas suppresses electric discharge development, also may be used
With the development mechanism to be discharged for learning gas, the parameter is particularly significant in terms of plasma physics and gas insulation applications
's.The experiment to the effect that measures under different air pressure, spacing and electric-field intensity to the discharge current of gas.In reality
During testing, amount of samples is less, and operating air pressure is relatively low, and reciprocal mechanical movement be present, and traditional dynamic sealing is difficult full
Sufficient requirement of experiment, this brings larger difficulty to the sealing design of experimental provision.Before experiment starts, it is necessary to experimental provision
The sample introduction gas circuit for vacuumizing gas circuit and under test gas is provided, when carrying out the circuit design of experimental provision, it is necessary to be thought of as gas
Ionization is also contemplated that while providing highfield provides light current driving and control for stepper motor, further, since initiating electron
Transition needs strong laser irradiation, and these requirements cause experimental provision set gas, electricity, Guang Sanlu, and further comprises in circuit
Forceful electric power and light current, have to consider space isolation and the assignment problem of each system when arranging each functional area.
To sum up, when being measured to gas Townsend discharge parameter, it is necessary to what a kind of accurate complicated and coincidence measurement required
Vacuum experiment device.
Utility model content
Requirement of experiment during for measurement gas Townsend discharge parameter, the utility model devise a kind of for measuring gas
The vacuum experiment device of Townsend discharge parameter, the apparatus structure is compact, and air-tightness is good, extended capability is strong, meets that gas Townsend is put
The measurement request of electrical parameter.
The utility model does not solve problem above and adopted the technical scheme that：One kind is used to measure gas Townsend discharge parameter
Vacuum experiment device, it is characterised in that：Including lid on photoelectricity binary channel high pressure sealing sleeve pipe, arc chamber, vacuum discharge room, true
Empty arc chamber extension observation window, pumped vacuum systems adpting flange, vacuum flapper valve, vacuum system connection air flue, vacuum discharge room
Bottom race, vacuum discharge room lower cover, vacuum discharge room platform fixing threaded hole, lower cover sealing bolt, vacuum electrode, bottom electrode connection
Line, sealing transmission bag, bottom electrode screw rod, discharging gap, the main observation window in vacuum discharge room, vacuum discharge room extension connector, very
Reciprocal of duty cycle adjuster, vacuum discharge room sample introduction air flue;
The photoelectricity binary channel high pressure sealing sleeve pipe passes through to be covered on vacuum discharge room, described true into vacuum discharge room
Lid is installed on vacuum discharge room upper end by upper lid sealing bolt on empty arc chamber, and vacuum discharge is connected to outside the vacuum discharge room
Room extends connector and vacuum discharge room extension observation window, and the vacuum flapper valve is connected at pumped vacuum systems connection air flue,
The pumped vacuum systems adpting flange is installed on below vacuum flapper valve, vacuum discharge room lower cover, by close by lower cover
Envelope bolt is rigidly connected with vacuum discharge room bottom race, and the vacuum discharge room lower cover outer rim offers vacuum discharge room platform and consolidated
Determine screw, the sealing transmission bag is installed on vacuum discharge room lower cover both sides, for realizing that the power of vacuum discharge indoor and outdoor passes
Defeated, the discharging gap is suspended among vacuum discharge room by photoelectricity binary channel high pressure sealing sleeve pipe and bottom electrode screw rod, institute
State discharging gap by bottom electrode connecting line with vacuum electrode to be connected, the vacuum degree regulator is installed on vacuum by flange and put
At electric room sample introduction air flue, the main observation window in vacuum discharge room is welded in vacuum discharge room（5）Outside, water is kept with discharge air-gap
Flat, the vacuum degree regulator is installed at the sample introduction air flue of vacuum discharge room.
Further, upper lid fluorine glue O-ring seal is used on lid and vacuum discharge room contact surface on the vacuum discharge room
Hermetic seal is realized, the lower vacuum discharge room lower cover is with the bottom race contact surface of vacuum discharge room, using the O-shaped sealing of lower cover fluorine glue
Circle realizes hermetic seal.
Further, the sealing transmission bag（18）By device for sealing magnetic fluid（17）And travelling gear（19）Composition；Institute
State device for sealing magnetic fluid and be installed on outer side of lid under vacuum discharge room, the travelling gear is installed in vacuum discharge room
Side.
Further, the discharging gap is by Top electrode optical lens frame, sieve can Paderewski Top electrode, excite electronics to enter
Mouthful, sieve can Paderewski bottom electrode, bottom electrode insulation, light path auxiliary lens, sealing fused silica glass composition；The Top electrode optical frames
Horse top is installed on below photoelectricity binary channel high pressure sealing sleeve pipe by screw thread, bottom be provided with sieve can Paderewski Top electrode,
Light path auxiliary lens are inlaid with below the electrode optical lens frame, excite electronics to provide, the light path auxiliary lens are not
Be rigidly connected, can be replaced by Top electrode auxiliary port with electrode optical lens frame, it is described excite among electronic portal by
Nickel wire netting forms, and being installed on sieve by outer wall thread can be at Paderewski Top electrode center, and sieve can be under Paderewski bottom electrode
Side is connected with bottom electrode insulation, and to prevent discharge signal from leaking, the bottom electrode insulation is connected with bottom electrode screw rod, to adjust
The distance of discharging gap, the sealing fused silica glass are adhered to photoelectricity binary channel high pressure sealing sleeve pipe lower end by sealing glue,
To realize light-path and hermetic seal.
Further, it is auxiliary to offer Top electrode for being insulated by Top electrode optical lens frame and bottom electrode in the discharging gap
Air flue and bottom electrode auxiliary port are helped, to accelerate the vacuum in locking space, prevents residue gas.
The beneficial effects of the utility model are：
First, this experimental provision is compact-sized, reduces gas usage, has saved experimental cost；
2nd, this experimental provision employs device for sealing magnetic fluid, and this experimental provision number of aperture is less, and in many places contact surface
Fluorine glue O-ring seal is employed, the air-tightness of device is improved, ensure that the degree of accuracy of parameter measurement；
3rd, this experimental provision provides detachable mirror holder and replaceable eyeglass, reduces the maintenance difficulties of experimental facilities；
4th, this experimental provision employs high and low pressure isolation power supply, prevents from measuring the leakage and interference of electric current；
5th, this experimental provision internally adds bleed passage in each closing space, improves gas circulation, prevents from remaining
Influence of the gas to gas componant；
6th, this experimental provision is externally provided with expansion interface, and hardware supported can be provided for later Function Extension, improves device
Versatility and service life.
Brief description of the drawings
Fig. 1 is the overall structure figure of experimental provision
Fig. 2 is the structure chart of discharging gap.
Embodiment
The utility model is described in detail below with reference to accompanying drawing.
With reference to shown in Fig. 1 and Fig. 2, a kind of vacuum reality for being used to measure gas Townsend discharge parameter disclosed in the utility model
Experiment device, it is characterised in that：Put including lid 2, vacuum discharge room 5, vacuum on photoelectricity binary channel high pressure sealing sleeve pipe 1, arc chamber
Electric room extension observation window 6, pumped vacuum systems adpting flange 7, vacuum flapper valve 8, vacuum system connection air flue 9, vacuum discharge room
Bottom race 10, vacuum discharge room lower cover 11, vacuum discharge room platform fixing threaded hole 12, lower cover sealing bolt 13, vacuum electrode 15,
Bottom electrode connecting line 16, sealing transmission bag 18, bottom electrode screw rod 20, discharging gap 21, the main observation window 22 in vacuum discharge room, vacuum
Arc chamber extension connector 23, vacuum degree regulator 24, vacuum discharge room sample introduction air flue 25;
The photoelectricity binary channel high pressure sealing sleeve pipe 1 is described into vacuum discharge room 5 through lid 2 on vacuum discharge room
Lid 2 is installed on the upper end of vacuum discharge room 5 by upper lid sealing bolt 4 on vacuum discharge room, and the vacuum discharge room 5 is circumscribed with very
Empty arc chamber extension observation window 6 and vacuum discharge room extension connector 23, the vacuum flapper valve 8 are connected to pumped vacuum systems company
Connecing at air flue 9, the pumped vacuum systems adpting flange 7 is installed on below vacuum flapper valve 8, vacuum discharge room lower cover 11,
By being rigidly connected by lower cover sealing bolt 13 and vacuum discharge room bottom race 10, the outer rim of vacuum discharge room lower cover 11 is opened
Provided with vacuum discharge room platform fixing threaded hole 12, the sealing transmission bag 18 is installed on the both sides of vacuum discharge room lower cover 11, is used for
The power transmission inside and outside vacuum discharge room 5 is realized, the discharging gap 21 passes through photoelectricity binary channel high pressure sealing sleeve pipe 1 and lower electricity
Pole screw rod 20 is suspended among vacuum discharge room 5, and the discharging gap 21 passes through bottom electrode connecting line 16 and the phase of vacuum electrode 15
Even, the vacuum degree regulator 24 is installed at vacuum discharge room sample introduction air flue 9 by flange, and vacuum discharge room subjectivity is examined
Window 22 is welded in the outside of vacuum discharge room 5, and with the keep level of discharge air-gap 21, the vacuum degree regulator 24 is installed on vacuum and put
At electric room sample introduction air flue 25.
High vacuum system is connect under the pumped vacuum systems adpting flange 7, high vacuum is carried out for vacuum discharge room 5.
The vacuum degree regulator 24 is connected with survey gas tank, after evacuation, by setting atmospheric pressure value
Inflated in vacuum discharge room 5
Lid 2 is with the contact surface of vacuum discharge room 5, gas is realized using upper lid fluorine glue O-ring seal 3 on the vacuum discharge room
Sealing, the lower vacuum discharge room lower cover 11 is with the contact surface of vacuum discharge room bottom race 10, using lower cover fluorine glue O-ring seal
14 realize hermetic seal.
The sealing transmission bag 18 is made up of device for sealing magnetic fluid 17 and travelling gear 19；The device for sealing magnetic fluid
17 are installed on the outside of vacuum discharge room lower cover 11, and the travelling gear 19 is installed on the inner side of vacuum discharge room 5.
The discharging gap 21 by Top electrode optical lens frame 2-1, sieve can Paderewski Top electrode 2-2, excite electronic portal
2-3, sieve can Paderewski bottom electrode 2-4, bottom electrode insulation 2-5, light path auxiliary lens 2-6, sealing fused silica glass 2-9 composition；Institute
State Top electrode optical lens frame 2-1 tops and the lower section of photoelectricity binary channel high pressure sealing sleeve pipe 1 is installed on by screw thread, bottom is provided with
Sieve can Paderewski Top electrode 2-2, light path auxiliary lens 2-6 is inlaid with below the electrode optical lens frame 2-1, it is described to excite electricity
Sub- entrance 2-3 is made up of nickel wire netting, and being installed on sieve by outer wall thread can be at Paderewski Top electrode 2-2 center, and sieve can
Bottom electrode insulation 2-5 is connected with the downside of Paderewski bottom electrode 2-4, to prevent discharge signal from leaking, the bottom electrode insulation 2-5 with
Bottom electrode screw rod 20 is connected, and to adjust the distance of discharging gap 21, the sealing fused silica glass 2-9 is bonded by sealing glue
In the lower end of photoelectricity binary channel high pressure sealing sleeve pipe 1, to realize light-path and hermetic seal.
Preferably, light path auxiliary lens are replaceable design, are focused using optical lens, and surface is coated with gold
Film, to provide initiating electron.
Preferably, on the inside of Top electrode optical lens frame upper end and lower end outside processing screw thread, for can be on Paderewski by sieve
Electrode and itself it is fixed on photoelectricity binary channel bushing.
Preferably, arc chamber number of aperture is reduced, further improves air-tightness.
In the discharging gap 21 by Top electrode optical lens frame 2-1 and bottom electrode insulation 2-5, to offer Top electrode auxiliary
Air flue 2-8 and bottom electrode auxiliary port 2-6 are helped, to accelerate the vacuum in locking space, prevents residue gas.
Above example is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (5)
- A kind of 1. vacuum experiment device for being used to measure gas Townsend discharge parameter, it is characterised in that：It is high including photoelectricity binary channel Means of press seals sleeve pipe（1）, cover on arc chamber（2）, vacuum discharge room（5）, vacuum discharge room extension observation window（6）, pumped vacuum systems Adpting flange（7）, vacuum flapper valve（8）, vacuum system connection air flue（9）, vacuum discharge room bottom race（10）, vacuum discharge room Lower cover（11）, vacuum discharge room platform fixing threaded hole（12）, lower cover sealing bolt（13）, vacuum electrode（15）, bottom electrode connection Line（16）, sealing transmission bag（18）, bottom electrode screw rod（20）, discharging gap（21）, the main observation window in vacuum discharge room（22）, vacuum Arc chamber extends connector（23）, vacuum degree regulator（24）, vacuum discharge room sample introduction air flue（25）;The photoelectricity binary channel high pressure sealing sleeve pipe（1）Covered on through vacuum discharge room（2）, into vacuum discharge room（5）In, institute State and covered on vacuum discharge room（2）Pass through upper lid sealing bolt（4）It is installed on vacuum discharge room（5）Upper end, the vacuum discharge room （5）It is circumscribed with vacuum discharge room extension observation window（6）Connector is extended with vacuum discharge room（23）, the vacuum flapper valve（8） It is connected to pumped vacuum systems connection air flue（9）Place, the pumped vacuum systems adpting flange（7）It is installed on vacuum flapper valve（8）Under Side, vacuum discharge room lower cover（11）, pass through lower cover sealing bolt（13）With vacuum discharge room bottom race（10）It is rigidly connected, Vacuum discharge room lower cover（11）Outer rim offers vacuum discharge room platform fixing threaded hole（12）, the sealing transmission bag（18） It is installed on vacuum discharge room lower cover（11）Both sides, for realizing vacuum discharge room（5）Inside and outside power transmission, the discharging gap （21）Pass through photoelectricity binary channel high pressure sealing sleeve pipe（1）With bottom electrode screw rod（20）It is suspended to vacuum discharge room（5）Centre, it is described Discharging gap（21）Pass through bottom electrode connecting line（16）With vacuum electrode（15）It is connected, the vacuum degree regulator（24）Pass through method Orchid is installed on vacuum discharge room sample introduction air flue（9）Place, the main observation window in vacuum discharge room（22）It is welded in vacuum discharge room（5） Outside, with discharging gap（21）Keep level, the vacuum degree regulator（24）It is installed on vacuum discharge room sample introduction air flue（25） Place.
- 2. a kind of vacuum experiment device for being used to measure gas Townsend discharge parameter, its feature exist according to claim 1 In being covered on the vacuum discharge room（2）With vacuum discharge room（5）On contact surface, upper lid fluorine glue O-ring seal is used（3）Realize Hermetic seal, vacuum discharge room lower cover（11）With vacuum discharge room bottom race（10）It is O-shaped close using lower cover fluorine glue on contact surface Seal（14）Realize hermetic seal.
- 3. a kind of vacuum experiment device for being used to measure gas Townsend discharge parameter, its feature exist according to claim 1 In the sealing transmission bag（18）By device for sealing magnetic fluid（17）And travelling gear（19）Composition；The device for sealing magnetic fluid（17）It is installed on vacuum discharge room lower cover（11）Outside, the travelling gear（19）It is installed on Vacuum discharge room（5）Inner side.
- 4. a kind of vacuum experiment device for being used to measure gas Townsend discharge parameter, its feature exist according to claim 1 In the discharging gap（21）By Top electrode optical lens frame（2-1）, sieve can Paderewski Top electrode（2-2）, excite electronic portal （2-3）, sieve can Paderewski bottom electrode（2-4）, bottom electrode insulation（2-5）, light path auxiliary lens（2-7）, seal fused silica glass（2- 9）Composition；The Top electrode optical lens frame（2-1）Top is installed on photoelectricity binary channel high pressure sealing sleeve pipe by screw thread（1）Lower section, Bottom is provided with sieve can Paderewski Top electrode（2-2）, the electrode optical lens frame（2-1）Lower section is inlaid with light path auxiliary lens （2-7）, electronics is excited to provide, the light path auxiliary lens（2-7）It is not rigidly connected, can passes through with electrode optical lens frame Top electrode auxiliary port（2-8）It is replaced, it is described to excite electronic portal（2-3）It is made up of nickel wire netting, passes through outer wall thread Being installed on sieve can Paderewski Top electrode（2-2）At center, sieve can Paderewski bottom electrode（2-4）It is exhausted that downside is connected with bottom electrode Edge（2-5）, to prevent discharge signal from leaking, the bottom electrode insulation（2-5）With bottom electrode screw rod（20）It is connected, is put to adjust Electric gap（21）Distance, the sealing fused silica glass（2-9）Photoelectricity binary channel high-pressure sealing sleeve is adhered to by sealing glue Pipe（1）Lower end, to realize light-path and hermetic seal.
- 5. a kind of vacuum experiment device for being used to measure gas Townsend discharge parameter, its feature exist according to claim 1 In the discharging gap（21）In by Top electrode optical lens frame（2-1）Insulated with bottom electrode（2-5）It is auxiliary to offer Top electrode Help air flue（2-8）With bottom electrode auxiliary port（2-6）, to accelerate the vacuum in locking space, prevent residue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720364251.7U CN206804812U (en) | 2017-04-07 | 2017-04-07 | A kind of vacuum experiment device for being used to measure gas Townsend discharge parameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720364251.7U CN206804812U (en) | 2017-04-07 | 2017-04-07 | A kind of vacuum experiment device for being used to measure gas Townsend discharge parameter |
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| CN206804812U true CN206804812U (en) | 2017-12-26 |
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| CN201720364251.7U Expired - Fee Related CN206804812U (en) | 2017-04-07 | 2017-04-07 | A kind of vacuum experiment device for being used to measure gas Townsend discharge parameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899611A (en) * | 2020-07-01 | 2020-11-06 | 国网山东省电力公司济南供电公司 | Insulating cavity for realizing discharge gap length larger than cavity radius |
-
2017
- 2017-04-07 CN CN201720364251.7U patent/CN206804812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899611A (en) * | 2020-07-01 | 2020-11-06 | 国网山东省电力公司济南供电公司 | Insulating cavity for realizing discharge gap length larger than cavity radius |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |