CN208873698U

CN208873698U - Assembly type transference tube

Info

Publication number: CN208873698U
Application number: CN201821955997.6U
Authority: CN
Inventors: 姜涛
Original assignee: 姜涛
Current assignee: Kunming longchuanghui Technology Co.,Ltd.
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2019-05-17
Anticipated expiration: 2028-11-26

Abstract

The utility model discloses a kind of assembly type transference tube, including left side end cap, right side end cap, conducting ring, dead ring and sealing ring, corresponding circuit is integrated on conducting ring, soft sealing ring pad is between conducting ring and dead ring, and corresponding position is provided with the hole for assembling on conducting ring, dead ring and sealing ring；According to length needs when assembling, several groups dead ring, sealing ring and conducting ring are sequentially overlapped, and passes through assembly hole with bolt along axial direction and fixes to form transference tube；The conducting ring of transference tube, dead ring and the corresponding position of sealing ring form two parallel air guide channels after assembling, respectively for delivery of carrier gas and the carrier gas pipe and drift tracheae of the gas that drifts about；The utility model avoids that bring is at high cost, fabrication cycle is long and the weakness such as easy to damage using the production of the materials such as ceramics, reduces difficulty, cost and the production cycle of transference tube production.

Description

Assembly type transference tube

Technical field

The utility model relates to field of test instrument, a kind of specifically assembly type transference tube.

Background technique

Currently based on the transference tube of ion mobility spectrometry (IMS) technology, mostly it is formed by welding using ceramics with metal interval, Centre insertion ionic control component, is divided into two sections for migration tube, and the left side is sample forming region, claims ionization area, the right is to be used for The region of sample material separation, claims drift region；The ionization device for promoting sample to form charged ion is installed on the left of ionization area, And introduce the sampling device of sample；It is provided with ion receiving electrode on the right side of drift region, there are also netted before ion receiving electrode Electromagnetic shielding electrode and drift gas entrance for taking away sample, there are at high cost, systems for current transference tube Make the weakness such as the period is long and easy to damage.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, the purpose of this utility model is to provide a kind of assembly type ions to move Pipe is moved, new construction is proposed to the production of transference tube, specifically avoids making bring cost using materials such as ceramics The weakness such as high, fabrication cycle is long and easy to damage, reduce difficulty, cost and the production cycle of transference tube production, for based on The instrument manufacturing of ion mobility spectrometry (IMS) technology brings good economic and social benefit.

The utility model is achieved by following technical solution: a kind of assembly type transference tube, including left side end cap, Right side end cap, conducting ring, dead ring and sealing ring integrate corresponding circuit on the conducting ring, and soft sealing ring pad is being led Between electric ring and dead ring, corresponding position is provided with the hole for assembling on conducting ring, dead ring and sealing ring；Root when assembling It is needed according to length, several groups dead ring, sealing ring and conducting ring is sequentially overlapped, and fixed with bolt across assembly hole along axial direction Form transference tube；The corresponding position formation two of the conducting ring of transference tube, dead ring and sealing ring is parallel after assembling Air guide channel, respectively for delivery of carrier gas and drift about gas carrier gas pipe and drift tracheae；Left side end cap and right side end cap point The left and right ends of transference tube after assembling are not connected, and the transference tube left side is ionization area, and the right is drift region；The left side The ionization source mounting base of the circular ring shape outstanding into pipe is provided on side end cap, to outside pipe carrier gas suction nozzle outstanding, carrier gas and Drift about the total exhaust nozzle of gas and drift gas suction nozzle, and carrier gas suction nozzle be connected to carrier gas pipe, carrier gas and drift about the total exhaust nozzle of gas and from It is communicated inside sub- migration tube, drift gas suction nozzle is connected to drift tracheae.

Preferably, the conducting ring with a thickness of 1-3mm, conducting ring interior annular both sides of edges has annulus copper-clad, inside Metal ring, the processing of metal ring part coating are formed after metallization；The extraction electrode Ke and bleeder circuit of the conducting ring connect It connects.

Preferably, the dead ring is with a thickness of 2-5mm.

Preferably, the dead ring inner circle that ionization area end is arranged in has guide ring, is led by radially-arranged on guide ring Air drain connection drift tracheae, guide ring are also communicated with carrier gas pipe.

Preferably, the dead ring inner circle that drift region end is arranged in has guide ring, is led by radially-arranged on guide ring Air drain is connected to carrier gas pipe, and guide ring is also communicated with drift tracheae.

Preferably, the sealing ring is formed by ptfe sheet by mold punching, with a thickness of 0.1-0.3mm, if There are 8 assembly holes and 2 gas ports.

Preferably, it is located on the left of transference tube at end cap about 1/3, is arranged by rustless metal thin slice chemistry machine-shaping The grid silk of parallel aperture plate, aperture plate point preceding grid K and rear grid L, preceding grid K is less than the grid silk number 1 of rear grid L, when two panels overlaps Uniform and doubled in density ionic control grid are formed, a piece of sealing for insulating and sealing is added between preceding grid K and rear grid L Ring M；Preceding grid K and rear grid L is drawn and the electrode Kg and Lg of the connection of corresponding control circuit respectively；

The setting of transference tube right end is by the rear grid L gauze screen constituted and draws and the connection of corresponding control circuit Electrode Lg；It is the sealing ring for insulated enclosure on the right side of gauze screen, then right side is ion receiving electrode；The ion connects It receives electrode to be made of double-sided PCB and disk electrode, disk electrode is placed in the left side of double-sided PCB, and right side is placed corresponding Circuit is received, is finally the metal right side end cap X for protecting the circuit from electromagnetic interference influence.

The utility model carries out conducting ring production by the technique of production circuit board, is also integrated with corresponding circuit on conducting ring With the electrode pad for the element that is welded, the hole for assembling is also provided on conducting ring；Dead ring is made by machining, with conducting ring phase The position answered is provided with the hole for assembling；Also it is lined with soft sealing ring between conducting ring and dead ring, the size of film and absolutely Edge ring is identical, and dead ring, sealing ring and conducting ring are sequentially overlapped by when assembling, and blending bolt is fixed；The conducting ring, The corresponding position of dead ring and sealing ring is opened there are two gas port, and the gas port of each part forms two and is parallel to migration after assembling The channel of pipe, for delivery of carrier gas and drift gas.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model conducting ring A.

Fig. 2 is the structural schematic diagram of the utility model dead ring J.

Fig. 3 is the structural schematic diagram of the dead ring G of the utility model ionization area latter end.

Fig. 4 is the structural schematic diagram of the dead ring S of the utility model drift region latter end.

Fig. 5 is the structural schematic diagram of the utility model sealing ring M.

Fig. 6 is the structural schematic diagram of grid K before the utility model.

Fig. 7 is the structural schematic diagram of grid L after the utility model.

Fig. 8 is the structural schematic diagram of end cap E on the left of the utility model.

Fig. 9 is the structural schematic diagram of the utility model disk electrode Y.

Figure 10 is the overall structure diagram of the utility model assembling.

Specific embodiment

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in conjunction with attached drawing 1-10 and specific embodiment are described further the utility model, it should be apparent that, described below is only that this is practical new Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root Other drawings and examples are obtained according to these accompanying drawings and embodiments.

A kind of assembly type transference tube, including left side end cap E, right side end cap X, conducting ring A, dead ring J and sealing ring The construction of M, conducting ring are made of circuit board making producer of corresponding manufacture craft, as shown in Figure 1, the inner ring two of conducting ring A Side forms metal ring a3 by annulus the copper-clad a1 and a2 of metallization, and a3 is connected to a1 with a2, at metal part electroplated layer Reason；The conducting ring is equipped with 8 (being not limited to 8) assembly hole b1-b8 and 2 gas ports c1 and c2；The conducting ring Thickness control is in 1-3mm；Conducting ring also extraction electrode Ke, for being connect with bleeder circuit.

As in Figure 2-4, dead ring J is processed by PEEK material (being not limited to the material), and corresponding position is provided with 6 A (being not limited to 6) assembly hole b1-b6 and 2 gas ports c1 and c2, the dead ring G of ionization area latter end are also provided with air guide Ring, having on guide ring 8 air slots (being not limited to 8) to lead to, drift is intratracheal, and annular guide ring is also communicated with gas port c1, Carrier gas is uniformly directed in ionic control grid plane from gas port and leads to drift intratracheally；The dead ring of drift region latter end S is identical as the dead ring G structure of ionization area latter end, and drift gas is uniformly directed in ion collection electrode；The insulation Ring thickness is controlled in 2-5mm；

As shown in figure 5, sealing ring M is formed by ptfe sheet by mold punching, thickness is in 0.1-0.3mm, tool There are assembly hole identical with dead ring and gas port.

As shown in fig. 6-7, ionic control grid have parallel aperture plate by rustless metal thin slice chemistry machine-shaping, before point The grid silk of grid K and rear grid L, preceding grid K are less than the grid silk number 1 of rear grid L, and two panels can form uniform density when overlapping and add Ionic control grid again, between preceding grid K and rear grid L plus a piece of sealing ring M is for insulating and sealing；Preceding grid K and rear grid Piece L distinguishes extraction electrode Kg and Lg, is connected with corresponding control circuit；

As seen in figs. 8-10, left side end cap E design has ionization source mounting base N and gas guide nozzle Q1, Q2 and Q3；Q1 be carrier gas into Gas nozzle, Q2 are carrier gas and the drift total exhaust nozzle of gas, and Q3 is the suction nozzle of drift gas；Right end is gauze screen, with ionic control Grid L is identical afterwards, and extraction electrode Lg connects corresponding circuit；The right side encryption seal ring of gauze screen is used for insulated enclosure, then right side is Ion receiving electrode；The ion electrode is made of double-sided PCB and disk electrode, is placed on the left of double-sided PCB Disk electrode Y, right side place corresponding reception circuit Z, are finally metal right side end cap X, it is dry to protect the circuit from electromagnetism The influence disturbed；Entire transference tube passes through the fixation of corresponding assembly hole by 8 root long bolts and forms overall structure.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of assembly type transference tube, which is characterized in that including left side end cap, right side end cap, conducting ring, dead ring and close Seal ring integrates corresponding circuit on the conducting ring, soft sealing ring pad between conducting ring and dead ring, conducting ring, Corresponding position is provided with the hole for assembling on dead ring and sealing ring；According to length needs when assembling, by several groups dead ring, Sealing ring and conducting ring are sequentially overlapped, and are passed through assembly hole with bolt along axial direction and fixed to form transference tube；Ion after assembling The conducting ring of migration tube, dead ring form two parallel air guide channels with the corresponding position of sealing ring, respectively for conveying The carrier gas pipe and drift tracheae of carrier gas and the gas that drifts about；Left side end cap and right side end cap are connected to transference tube after assembling Left and right ends, the transference tube left side are ionization areas, and the right is drift region；The left-hand end cover be provided with it is outstanding into pipe The ionization source mounting base of circular ring shape, carrier gas suction nozzle, carrier gas and the total exhaust nozzle of drift gas outstanding and gas air inlet of drifting about to outside pipe Mouth, carrier gas suction nozzle are connected to carrier gas pipe, are communicated inside carrier gas and the drift total exhaust nozzle of gas and transference tube, gas air inlet of drifting about Mouth is connected to drift tracheae.

2. assembly type transference tube according to claim 1, which is characterized in that the conducting ring with a thickness of 1-3mm, Conducting ring interior annular both sides of edges has annulus copper-clad, forms metal ring after inner metal, at the coating of metal ring part Reason；The extraction electrode Ke of the conducting ring is connect with bleeder circuit.

3. assembly type transference tube according to claim 1, which is characterized in that the dead ring is with a thickness of 2-5mm.

4. assembly type transference tube according to claim 3, which is characterized in that the dead ring of ionization area end is arranged in Inner circle has guide ring, is connected to drift tracheae by air slot radially-arranged on guide ring, guide ring is also communicated with carrier gas pipe.

5. assembly type transference tube according to claim 3, which is characterized in that the dead ring of drift region end is arranged in Inner circle has guide ring, is connected to by air slot radially-arranged on guide ring with carrier gas pipe, and guide ring is also communicated with drift tracheae.

6. assembly type transference tube according to claim 1, which is characterized in that the sealing ring is thin by polytetrafluoroethylene (PTFE) Piece is formed by mold punching, with a thickness of 0.1-0.3mm, is equipped with 8 assembly holes and 2 gas ports.

7. assembly type transference tube according to claim 1, which is characterized in that be located at transference tube left side end cap about At 1/3, parallel aperture plate of the setting by rustless metal thin slice chemistry machine-shaping, aperture plate point preceding grid K and rear grid L, preceding grid K Grid silk be less than rear grid L grid silk number 1, two panels overlap when formed uniformly and doubled in density ionic control grid, preceding grid K and Add a piece of sealing ring M for insulating and sealing between grid L afterwards；Preceding grid K and rear grid L is drawn and corresponding control respectively The electrode Kg and Lg of circuit connection；

The setting of transference tube right end is by the rear grid L gauze screen constituted and draws the electricity connected with corresponding control circuit Pole Lg；It is the sealing ring for insulated enclosure on the right side of gauze screen, then right side is ion receiving electrode；The ion receives electricity Pole is made of double-sided PCB and disk electrode, and disk electrode is placed in the left side of double-sided PCB, and corresponding receive is placed on right side Circuit is finally the metal right side end cap X for protecting the circuit from electromagnetic interference influence.