CN205752097U - A kind of quadrupole mass spectrometer - Google Patents
A kind of quadrupole mass spectrometer Download PDFInfo
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- CN205752097U CN205752097U CN201620513246.3U CN201620513246U CN205752097U CN 205752097 U CN205752097 U CN 205752097U CN 201620513246 U CN201620513246 U CN 201620513246U CN 205752097 U CN205752097 U CN 205752097U
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Abstract
The utility model discloses a kind of quadrupole mass spectrometer, including ion generating mechanism, quadrupole rod filter mechanism, ion detection mechanism and support bindiny mechanism；Producing gaseous ion in ion generating mechanism, gaseous ion is injected in quadrupole rod after drawing, accelerating and focus on；On quadrupole rod, direct current and alternating voltage are overlapping so that the ion of corresponding mass-to-charge ratio passes and detected by Faraday cup, thus obtains composition and the residual of gas；The structure of quadrupole mass spectrometer is simple relative to other mass spectrograph with circuit, cost also relative moderate.
Description
Technical field
This utility model relates to vacuum equipment field, particularly a kind of quadrupole mass spectrometer.
Background technology
Mass spectrography is now widely used in every subjects field, and it is identified by preparing, separate, detect gaseous ion
Compound.Mass spectrography can provide abundant structural information in once analyzing, and isolation technics being combined with mass spectrography is to separate
A breakthrough in scientific method.In numerous analysis test methods, mass spectrography is considered as that one is provided simultaneously with height
Specificity and high sensitivity and the universality method being widely applied.Quality analysis for material is all adopted the most both at home and abroad
By mass-spectrometric technique, mass spectrometer is one of scientific instrument that in current scientific instrument, development prospect is best, and quadrupole mass spectrometer
(also known as quadrupole mass spectrometer) is one of the most ripe small spectrometer, its simple in construction, lighter in weight.Require nothing more than ion to enter
Penetrate energy less than a certain upper limit, it is not required that incident ion realizes Voice segment, thus can introduce simple in construction, highly sensitive from
Component, and it is applicable to the ion with certain power dissipation, such as secondary ion.Scanning speed is fast, can be by regulation electric parameter
Realizing the adjustment of instrumental sensitivity and resolving power, same instrument can meet different analysis requirements, and these advantages make quadrupole
Mass spectrograph starts just to receive much concern from being born, and is developed rapidly.As gas microcomponent is being carried out context of detection, by
Belonging to dynamic mass spectrum in quadrupole mass spectrometer, merely with pure field operation, it is not necessary to relate to magnetic field, therefore it requires nothing more than less ion
Projectile energy, scanning speed is fast, and result is accurate.In terms of scientific research, quadrupole mass spectrometer has become important instrument, as available
Quadrupole mass spectrometer selects as ion, the prime ion guides etc. of direction focusing.Therefore, the research and development of quadrupole mass spectrometer have important
Meaning.
In two, 30 years of past, mass spectrum has changed into the analytical technology of analytical chemistry field core the most, especially
Analysis to biomacromolecule.At present, mass spectrographic importance even has been over traditional electrophoretic techniques and liquid phase separation etc.
Technology, mass spectrum generally also can combine with these technology, and composition Combined techniques becomes separated with analysis science method
Important breakthrough.It is few that compound completes the required sample size consumed of Mass Spectrometer Method, about 10-12 gram, it means that chemical combination
Thing can be detected under conditions of extremely low reading over.The most representational application includes containing sterin interior in athlete's body
The detection of amount, for employing the monitoring of respiration of the patient of anesthesia art in operation, to the group of molecular species found in space
To fermentation in the determination become, the oil distribution surveying in rock by measuring petroleum molecules parent content, biotechnology industry
The detection etc. of process.
Mass spectrometric ultimate principle is: first, and gaseous sample to be analyzed ionizes in an ion source, obtains having difference
The charged ion (cation or anion) of mass-to-charge ratio, subsequently in electric field, according to the ion of different mass-to-charge ratioes at electricity
The difference of movement locus in Chang and realize separating, and be detected successively, the signal detected, through processing, finally gives and comprises
The mass spectrum of the strength information of different mass-to-charge ratioes that sample respectively forms and different mass-to-charge ratio component.By mass spectrum is divided
Analysis, can obtain the information such as chemical composition in sample, each component content, chemical constitution.
China is currently without domestic quadrupole mass spectrometer, and this has the most seriously fettered the development of China's physicism,
The scientific research of Ye Shi China is limited by abroad, and difficulty has original scientific achievement.Have the quadrupole matter of China's independent intellectual property right
Spectrometer is too impatient to wait.
Summary of the invention
This utility model, for above-mentioned technical problem, proposes the quadrupole mass spectrometer of a kind of high integration.
For reaching object above, it is achieved through the following technical solutions:
A kind of quadrupole mass spectrometer, including: ion generating mechanism, quadrupole rod filter mechanism, ion detection mechanism and the company of support
Connection mechanism；
It is characterized in that:
Ion generating mechanism includes: repellel cylinder mould, anode grid cylinder mould, filament, focusing board, filament return for electric pole, filament
Return bar, focusing board alignment rod A, focusing board connecting rod, anode alignment bar and anode connecting rod；
Wherein, repellel cylinder mould and anode grid cylinder mould are the column wire mesh cage structures of single-ended opening；
Focusing board is laminated structure, and one side end face is connected and fixed on alumina insulator A through screw；
The cylinder mould opening of anode grid cylinder mould is welded with laminated structure part；Repellel cylinder mould cover is placed in outside anode grid cylinder mould
Portion, and the opening of repellel cylinder mould and alumina insulator A fix formation and be wrapped in interior by anode grid cylinder mould and focusing board
Parcel cover body；
Wherein, filament sequentially passes through focusing board and alumina insulator A for one end of electric pole and filament back bar, and filament returns
Return masthead end to be connected with repellel cylinder mould top through screw connection；
Filament is surrounded on outside anode grid cylinder mould, and one end is fixed on filament and is supplied on electric pole, and the other end is fixed on filament and returns
Return on bar；
Focusing board alignment rod A is connected and fixed on focusing board in through hole default for alumina insulator A；
Focusing board connecting rod one end is finally connected and fixed on focusing board in through hole default for alumina insulator A；
Anode connecting rod one end is finally secured to the sheet of anode grid cylinder mould after passing the through hole that alumina insulator A presets
In shape structure；
Anode alignment bar is finally connected and fixed on the lamellar of anode grid cylinder mould in passing the through hole that alumina insulator A presets
In structure；
Anode grid cylinder mould through be connected by screw be fixed on anode alignment bar and focusing board alignment rod A to stretch out in aluminium oxide exhausted
The end of edge body A；
Quadrupole rod filter mechanism includes: quadrupole rod A, quadrupole rod B, quadrupole rod C, quadrupole rod D, and radio frequency fixes tabletting A, radio frequency
Fixing tabletting B, alumina insulator B and focusing alignment rod B；
Wherein, quadrupole rod A, quadrupole rod B, quadrupole rod C and quadrupole rod D are parallel to each other placement, quadrupole rod A, quadrupole rod B, four
Pole bar C and quadrupole rod D is fixed between alumina insulator A and alumina insulator B by screw；
Radio frequency is fixed tabletting A and is connected and fixed between quadrupole rod A and quadrupole rod C, and radio frequency is fixed tabletting B and is connected and fixed on four
Between pole bar B and quadrupole rod D；
Ion detection mechanism includes: be fixed on the simple electrode A in probe flange, simple electrode B, simple electrode C, simple
Electrode D, simple electrode E, simple electrode F, simple electrode G, simple electrode H, Faraday cup, Faraday cup radome, CEM high pressure
Connecting rod, long radio frequency bar, short radio frequency bar, flange of popping one's head in, electrode O, adjusting lever A and adjusting lever B；
Faraday cup radome is to be welded with disk with holes on the cylindric cylinder of one end open and closed end.Focus on alignment rod B
The through hole preset through alumina insulator B is finally secured on the disk of Faraday cup radome, through screw, aluminium oxide is exhausted
Edge body B and Faraday cup radome are fixed together；Faraday cup radome cover is placed in outside Faraday cup, and is coaxial therewith putting
Put；Faraday cup other end receiving electrode O, electrode O are welded in probe flange preset hole；CEM high pressure connecting rod passes aluminium oxide
Insulator B is connected with electrode H through connector with disk preset hole on Faraday cup radome；Long radio frequency bar one end passes aluminium oxide
The preset hole of disk on insulator B and Faraday cup radome, is connected and fixed on radio frequency through screw and fixes on tabletting A, short radio frequency
Bar one end, through the preset hole of disk on alumina insulator B and Faraday cup radome, is connected and fixed on radio frequency through screw solid
On level pressure sheet B；Adjusting lever A and adjusting lever B is fixed in probe flange corresponding aperture through threaded, and is positioned at electrode A installation end
Face；
Wherein, the anode connecting rod other end sequentially passes through alumina insulator B and Faraday cup radome eventually through even
Fitting is connected with electrode B；The focusing connecting rod other end sequentially passes through alumina insulator B and Faraday cup radome finally leads to
Cross connector to be connected with electrode E；The other end focusing on alignment rod B is fixed on the disk of Faraday cup radome；Filament is powered
The other end of bar is connected with electrode C through alumina insulator B, Faraday cup radome eventually through connector；Filament returns
The other end of bar is connected with electrode G through alumina insulator B, Faraday cup radome eventually through connector；Short radio frequency bar
The other end be connected with electrode F, the other end of long radio frequency bar is connected with electrode D；Electrode A is backup electrode；Filament for electric pole and
Filament back bar is provided with draw-in groove, is realized by the draw-in groove of collar with the through hole on alumina insulator A and alumina insulator B
Fixing；
Supporting bindiny mechanism and include flange A and flange B, wherein flange B is fixed together with probe flange through screw connection,
Radome is weldingly fixed between flange A and flange B, is positioned over outside whole device.
Further, electrode A end is provided with standby lid covers, and Faraday cup radome is fixed with multiplication pipe clamp；
The standby way of this structure: when carrying out general rga, i.e. can detect that ion current intensity with faraday's cup device
And then determine each parameter.But when needs detect more accurately, or that when gas flow to be measured is the least, perhaps we can make electricity consumption
Sub-multiplying assembly increases signal.Multiplication pipe clamp is welded on Faraday cup urceolus be easy for if it is desired, it is possible to
Pressing from both sides electronics multiplying assembly on it, when the time comes, standby lid removes, and multiplying assembly is a loudspeaker funnel type device, its big mouth with
Faraday's rim of a cup accepts the electronics from quadrupole rod simultaneously, and opposite side osculum is connected at the electrode A originally putting standby lid.
Using this utility model of technique scheme, the electronics that the filament in this device is launched after electrified regulation will be by
Survey ionizing gas molecules, by drawing, accelerating and focus on gaseous ion is transferred in quadrupole rod mass analyzer.Quadrupole rod
Under the common effect of direct current and alternating voltage, gaseous ion is moved along particular track according to its mass-to-charge ratio.Required mass-to-charge ratio
Ion through quadrupole field enter detection device, transfer to after Faraday cup detects electric current signal output thus obtain gas
Composition and residual.The structure of quadrupole mass spectrometer is simple relative to other mass spectrograph with circuit, is not only convenient for producing, and cost is non-
The cheapest being suitable to is widely popularized.
Compared with prior art, this utility model has the advantages that
1, the open circle that the filament of the anodic grid mesh in ion generating mechanism of the present utility model and transmitting electronics is used
The design structure of column type, and be co-axially mounted with focusing board, it is ensured that the cylindrosymmetry of ionization device；Filament is two plating iridium two
Thorium oxide tinsel, two filaments work simultaneously under normal circumstances, if a filament blow, be furnished with and be automatically adjusted dress in power supply
Putting and can adjust the temperature of residue filament and then repair the electron stream intensity launched, therefore, whole device will not be because of a certain lamp
Silk blows and interrupts；The electronics intensity that filament is launched is controlled by the electric current of regulation filament, and the energy of electronics is by being added in lamp
Voltage between silk and anodic grid mesh adjusts；This ion generating mechanism can obtain relatively stable ion stream, and increases electricity
From efficiency.
2, four cylinder electrode bars use 304 type stainless steel materials to make, circular electrode because of it is easy to process and cost relatively
Low, it is the electrode replacing hyperbolic electrode more conventional for modern RGA；Outside uses screw fastening and can regulate each four with this
Interval between the bar of pole；Whole assembly can bear repeatedly circulation 300QC dries.Quadrupole rod is passed to DC voltage and radio frequency electrical simultaneously
Pressure.Screening and separating mode is, arranges radio frequency and DC voltage value so that only our ion interested can be at quadrupole field
Inside there is stable track and pass through quadrupole field.By adjusting the value of direct current and radio-frequency voltage simultaneously, complete mass spectrum can be carried out
Scanning.By reducing addition high-order current potential, the optimization of level Four bar exact position is reduced the distortion quadrupole rod mistake of Electrostatic Quadrupole
Filter part filters out the ion of required quality size by the size changing radio-frequency voltage amplitude；Meanwhile, by simply
Adjusting AC/DC voltage ratio size is that quality selects to add multiformity.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can be practiced according to the content of description, and in order to allow above and other purpose of the present utility model, feature
Can become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
This utility model totally 5 width accompanying drawing, wherein:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is overall structure schematic diagram after Fig. 1 rotary viewing angle.
Fig. 3 is ion generating mechanism schematic diagram of the present utility model.
Fig. 4 is support bindiny mechanism of the present utility model schematic diagram.
Fig. 5 is the structural representation of electrode connection of the present utility model.
In figure: 1, repellel cylinder mould, 2, anode grid cylinder mould, 3, filament, 4, focusing board, 5, alumina insulator A, 6, focus on
Plate alignment rod A, 7, quadrupole rod B, 8, quadrupole rod C, 9, anode connecting rod, 10, focus on alignment rod B, 11, alumina insulator B,
12, multiplication pipe clamp, 13, standby lid, 14, adjusting lever A, 15, adjusting lever B, 16, anode alignment bar, 17, filament back bar, 18,
Focusing board connecting rod, 19, radio frequency fix tabletting A, 20, radio frequency fix tabletting B, 21, Faraday cup radome, 22, short radio frequency bar,
23, CEM high pressure connecting rod, 24, probe flange, 25, electrode O, 26, filament for electric pole, 27, quadrupole rod A, 28, quadrupole rod D, 29,
Faraday cup, 30, flange A, 31, radome, 32, flange B, 33, electrode A, 34, simple electrode B, 35, simple electrode C, 36, letter
Easily electrode D, 37, simple electrode E, 38, simple electrode F, 39, simple electrode G, 40, simple electrode H, 41, long radio frequency bar.
Detailed description of the invention
A kind of quadrupole mass spectrometer as shown in Figures 1 to 5, including: ion generating mechanism, quadrupole rod filter mechanism, ion
Testing agency and support bindiny mechanism；
It is characterized in that:
Ion generating mechanism includes: repellel cylinder mould 1, anode grid cylinder mould 2, filament 3, focusing board 4, filament confession electric pole 26,
Filament back bar 17, focusing board alignment rod A6, focusing board connecting rod 18, anode alignment bar 16 and anode connecting rod 9；
Wherein, repellel cylinder mould 1 and anode grid cylinder mould 2 are the column wire mesh cage structures of single-ended opening；
Focusing board 4 is laminated structure, and one side end face is connected and fixed on alumina insulator A5 through screw；
The cylinder mould opening of anode grid cylinder mould 2 is welded with laminated structure part；
It is outside that repellel cylinder mould 1 cover is placed in anode grid cylinder mould 2, and the opening of repellel cylinder mould 1 and alumina insulator
A5 fixes formation and anode grid cylinder mould 2 and focusing board 4 is wrapped in interior parcel cover body；
Wherein, filament sequentially passes through alumina insulator A5 and through focusing on for one end of electric pole 26 and filament back bar 17
Plate 4；Filament back bar 17 top connects through screw and is connected with repellel cylinder mould 1 top；
Filament 3 is surrounded on outside anode grid cylinder mould 2, and one end is fixed on filament and is supplied on electric pole 26, and the other end is fixed on lamp
On silk back bar 17；
Focusing board alignment rod A6 is connected and fixed on focusing board 4 in through hole default for alumina insulator A5；
Focusing board connecting rod 18 one end is finally connected and fixed on focusing board 4 in through hole default for alumina insulator A5
On；
Anode connecting rod 9 one end is finally secured to anode grid cylinder mould 2 after through hole default for alumina insulator A5
In laminated structure；
Anode alignment bar 16 one end passes in the through hole that alumina insulator A5 presets, and is finally connected and fixed on anodic grid mesh
In the laminated structure of cage 2；
Anode grid cylinder mould 2 is connected by screw and is fixed on anode alignment bar 16 and focusing board alignment rod A6 stretches out in aluminium oxide
The end of insulator A5；
Quadrupole rod filter mechanism includes: quadrupole rod A27, quadrupole rod B7, quadrupole rod C8, quadrupole rod D28, radio frequency fixes tabletting
A19, radio frequency are fixed tabletting B20, alumina insulator B11 and focus on alignment rod B10；
Wherein, quadrupole rod A27, quadrupole rod B7, quadrupole rod C8 and quadrupole rod D28 are parallel to each other placement, quadrupole rod A27, four
Pole bar B7, quadrupole rod C8 and quadrupole rod D28 be connected by screw be fixed on alumina insulator A5 and alumina insulator B11 it
Between；
Radio frequency is fixed tabletting A19 and is connected and fixed between quadrupole rod A27 and quadrupole rod C8, and radio frequency is fixed tabletting B20 and connected
It is fixed between quadrupole rod B7 and quadrupole rod D28；
Ion detection mechanism includes: be fixed on probe flange 24 in electrode A 33, simple electrode B 34, simple electrode C35,
Simple electrode D36, simple electrode E37, simple electrode F38, simple electrode G39, simple electrode H40, Faraday cup 29, faraday
Cup radome 21, CEM high pressure connecting rod 23, long radio frequency bar 41, short radio frequency bar 22, flange 24 of popping one's head in, electrode O25, adjusting lever
A14 and adjusting lever B15；
Faraday cup radome is to be welded with disk with holes on the cylindric cylinder of one end open and closed end.Focus on alignment rod
The through hole that B10 presets through alumina insulator B11 is finally secured on the disk of Faraday cup radome 21, through screw by oxygen
Change aluminum insulator B11 and Faraday cup radome is fixed together；
It is outside that Faraday cup radome 21 cover is placed in Faraday cup 29, and is coaxial therewith placing；Faraday cup 29 other end
Receiving electrode O25, electrode O25 are welded in probe flange 24 preset hole；CEM high pressure connecting rod 23 passes alumina insulator B11
It is connected with electrode H40 through connector with disk on Faraday cup radome 21；Long radio frequency bar 41 one end passes alumina insulator
The preset hole of disk on B11 and Faraday cup radome 21, is connected and fixed on radio frequency through screw and fixes on tabletting A19, short radio frequency
Bar 22 one end, through the preset hole of disk on alumina insulator B11 and Faraday cup radome 21, is connected and fixed on through screw
Radio frequency is fixed on tabletting B20；Adjusting lever A14 and adjusting lever B15 is fixed in probe flange 24 corresponding aperture through threaded, and position
In electrode A 33, end face is installed；
Wherein, anode connecting rod 9 other end sequentially passes through alumina insulator B11 and Faraday cup radome 21 finally leads to
Cross connector to be connected with electrode B 34；Focus on connecting rod 18 other end and sequentially pass through alumina insulator B11 and Faraday cup screen
Cover cover 21 to be connected with electrode E 37 eventually through connector；The other end focusing on alignment rod B 10 is fixed on Faraday cup radome
On the disk of 21；Filament passes alumina insulator B11, Faraday cup radome 21 eventually through even for the other end of electric pole 26
Fitting is connected with electrode C35；The other end of filament back bar 17 is through alumina insulator B11, Faraday cup radome 21
It is connected with electrode G39 by connector eventually；The other end of short radio frequency bar 22 is connected with electrode F38, the other end of long radio frequency bar 41
It is connected with electrode D36；Electrode A 33 is backup electrode；Filament is provided with draw-in groove for electric pole 26 and filament back bar 17, passes through collar
Realize fixing with the draw-in groove of the through hole on alumina insulator A5 and alumina insulator B11；
Supporting bindiny mechanism and include flange A 30 and flange B32, wherein flange B32 connects solid with probe flange 24 through screw
Being scheduled on together, radome 31 is weldingly fixed between flange A30 and flange B32, is positioned over outside whole device.
Further, electrode A 33 end is provided with standby lid 13 and covers, and Faraday cup radome 21 is fixed with multiplication
Pipe clamp 12；The standby way of this structure: when carrying out general rga, i.e. can detect that ion-conductance with faraday's cup device
Intensity of flow and then determine each parameter.But when needs detect more accurately, or that when gas flow to be measured is the least, perhaps we can
Electron multiplication device is used to increase signal.Being welded on Faraday cup urceolus by multiplication pipe clamp is easy for if necessary,
Can press from both sides electronics multiplying assembly thereon, when the time comes, standby lid removes, and multiplying assembly is a loudspeaker funnel type device, its
Big mouth accepts the electronics from quadrupole rod with faraday's rim of a cup simultaneously, and opposite side osculum is connected on the electrode originally putting standby lid
At A33.
To sum up, reaction generation part of the present utility model only produces electric field.The electric field that shielding body can will produce effectively
Shielding, in order to avoid producing interference, meanwhile, in cargo handling process, it is also possible to this utility model inside to the vacuum of vacuum chamber
Part plays a protective role.The quadrupole mass spectrometer of invention has good stability, it is adaptable to ultra-high vacuum environment, and material selected by its part
Entirely appropriate ultrahigh vacuum uses, and mounting flange is taked edge of a knife flange configuration, can be born the high-temperature baking of 330 DEG C so that equipment
The vacuum of vacuum environment can be kept in use.
The above, be only preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe
Know professional and technical personnel in the range of without departing from technical solutions of the utility model, when the technology contents of available the disclosure above
Make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as without departing from technical solutions of the utility model
Hold, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, the most still
Belong in the range of technical solutions of the utility model.
Claims (3)
1. a quadrupole mass spectrometer, including: ion generating mechanism, quadrupole rod filter mechanism, ion detection mechanism and support connect
Mechanism；
It is characterized in that:
Described ion generating mechanism includes: repellel cylinder mould (1), anode grid cylinder mould (2), filament (3), focusing board (4), aluminium oxide
Insulator A (5) filament is for electric pole (26), filament back bar (17), focusing board alignment rod A (6), focusing board connecting rod (18), sun
Pole alignment rod (16) and anode connecting rod (9)；
Wherein, repellel cylinder mould (1) and anode grid cylinder mould (2) are the column wire mesh cage structures of single-ended opening, described focusing board (4)
For laminated structure, one side end face is connected and fixed on alumina insulator A (5) through screw；
The cylinder mould opening of described anode grid cylinder mould (2) is welded with laminated structure part；
It is outside that described repellel cylinder mould (1) cover is placed in anode grid cylinder mould (2), and the opening of repellel cylinder mould (1) and aluminium oxide
Anode grid cylinder mould (2) and focusing board (4) are wrapped in interior parcel cover body by fixing formation of insulator A (5)；
Wherein, filament sequentially passes through focusing board (4) and alumina insulator A for one end of electric pole (26) and filament back bar (17)
(5), filament back bar (17) top is connected with repellel cylinder mould (1) top through screw connection；
Described filament (3) is surrounded on anode grid cylinder mould (2) outside, and one end is fixed on filament and is supplied on electric pole (26), and the other end is solid
On filament back bar (17)；
The through hole that described focusing board alignment rod A (6) is preset through alumina insulator A (5) is finally connected and fixed on focusing board (4)
On；Described focusing board connecting rod (18) one end is finally connected and fixed on focusing in through hole default for alumina insulator A (5)
On plate (4)；
Described anode alignment bar (16) is finally connected and fixed on anodic grid mesh in through hole default for alumina insulator A (5)
In the laminated structure of cage (2)；Described anode connecting rod (9) one end is finally solid after passing the through hole that alumina insulator A (5) presets
In the laminated structure of anode grid cylinder mould (2)；
Described anode grid cylinder mould (2) laminated structure part is connected by screw and is fixed on anode alignment bar (16) and focusing board alignment
Bar A (6) stretches out in the end of alumina insulator A (5)；
Described quadrupole rod filter mechanism includes: quadrupole rod A (27), quadrupole rod B (7), quadrupole rod C (8), quadrupole rod D (28), radio frequency
Fixing tabletting A (19), radio frequency are fixed tabletting B (20), alumina insulator B (11) and focus on alignment rod B (10)；
Wherein, quadrupole rod A (27), quadrupole rod B (7), quadrupole rod C (8) and quadrupole rod D (28) are parallel to each other placement, quadrupole rod A
(27), quadrupole rod B (7), quadrupole rod C (8) and quadrupole rod D (28) are fixed on alumina insulator A (5) and alumina insulator B
(11) between；
Described radio frequency is fixed tabletting A (19) and is connected and fixed between quadrupole rod A (27) and quadrupole rod C (8), and radio frequency fixes tabletting B
(20) it is connected and fixed between quadrupole rod B (7) and quadrupole rod D (28)；
Described ion detection mechanism includes: be fixed on the simple electrode A (33) in probe flange (24), simple electrode B (34), letter
Easily electrode C (35), simple electrode D (36), simple electrode E (37), simple electrode F (38), simple electrode G39, simple electrode H
(40), Faraday cup (29), Faraday cup radome (21), CEM high pressure connecting rod (23), long radio frequency bar (41), short radio frequency bar
(22), probe flange (24), electrode O (25), adjusting lever A (14) and adjusting lever B (15)；
Described focusing alignment rod B (10) is finally secured to Faraday cup shielding through the through hole that alumina insulator B (11) presets
On the disk of cover (21), through screw, alumina insulator B (11) and Faraday cup radome (21) are fixed together；
Described Faraday cup radome is to be welded with disk with holes on the cylindric cylinder of one end open and closed end；
It is outside that described Faraday cup radome (21) is placed in Faraday cup (29), and is coaxial therewith placing；Described Faraday cup
(29) other end receiving electrode O (25), described electrode O (25) is welded in probe flange (24) preset hole；Described CEM high pressure connects
Bar (23) passes alumina insulator B (11) and the upper disk preset hole of Faraday cup radome (21) through connector and electrode H
(40) it is connected；Described long radio frequency bar (41) one end is through the upper disk of alumina insulator B (11) and Faraday cup radome (21)
Preset hole, be connected and fixed on radio frequency through screw and fix on tabletting A (19), described short radio frequency bar (22) one end through aluminium oxide exhausted
Edge body B (11) and the preset hole of the upper disk of Faraday cup radome (21), be connected and fixed on radio frequency through screw and fix tabletting B (20)
On；Described adjusting lever A (14) and adjusting lever B (15) are fixed in probe flange (24) corresponding aperture through threaded, and are positioned at electricity
Pole A (33) installs end face；Wherein, the other end of anode connecting rod (9) sequentially passes through alumina insulator B (11) and Faraday cup
The preset hole preset hole of radome (21) is connected with electrode B (34) eventually through connector；Focus on connecting rod (18) other end
Sequentially pass through the preset hole of alumina insulator B (11) and Faraday cup radome (21) eventually through connector and electrode E
(37) it is connected；The other end focusing on alignment rod B (10) is fixed on the disk of Faraday cup radome (21)；Filament is for electric pole
(26) the other end through alumina insulator B (11), Faraday cup radome (21) preset hole eventually through connector with
Electrode C (35) is connected；The other end of filament back bar (17) passes alumina insulator B (11), Faraday cup radome (21)
It is connected with electrode G (39) eventually through connector；The other end of short radio frequency bar (22) is connected with electrode F (38), long radio frequency bar
(41) the other end is connected with electrode D (36)；Described electrode A (33) is backup electrode；Described filament is for electric pole (26) and filament
Back bar (17) is provided with draw-in groove, by collar and the through hole on alumina insulator A (5) and alumina insulator B (11)
Draw-in groove realizes fixing；Described support bindiny mechanism includes flange A (30) and flange B (32), and wherein flange B (32) connects through screw
Being fixed together with probe flange (24), radome (31) is weldingly fixed between flange A (30) and flange B (32), is positioned over
Outside whole device.
A kind of quadrupole mass spectrometer the most according to claim 1, it is characterised in that:
Described electrode A (33) end is provided with standby lid (13) capping.
A kind of quadrupole mass spectrometer the most according to claim 1 and 2, it is characterised in that: Faraday cup radome (21) is upper solid
Surely there is multiplication pipe clamp (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513246.3U CN205752097U (en) | 2016-05-30 | 2016-05-30 | A kind of quadrupole mass spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513246.3U CN205752097U (en) | 2016-05-30 | 2016-05-30 | A kind of quadrupole mass spectrometer |
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| CN205752097U true CN205752097U (en) | 2016-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869987A (en) * | 2016-05-30 | 2016-08-17 | 大连交通大学 | Quadrupole mass-spectrometer |
| CN108206127A (en) * | 2016-12-19 | 2018-06-26 | 安捷伦科技有限公司 | Quadrupole bar assembly |
-
2016
- 2016-05-30 CN CN201620513246.3U patent/CN205752097U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869987A (en) * | 2016-05-30 | 2016-08-17 | 大连交通大学 | Quadrupole mass-spectrometer |
| CN108206127A (en) * | 2016-12-19 | 2018-06-26 | 安捷伦科技有限公司 | Quadrupole bar assembly |
| CN108206127B (en) * | 2016-12-19 | 2022-08-05 | 安捷伦科技有限公司 | Quadrupole rod assembly |
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